Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | |
| 3 | bttv - Bt848 frame grabber driver |
| 4 | |
| 5 | Copyright (C) 1996,97,98 Ralph Metzler <rjkm@thp.uni-koeln.de> |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 6 | & Marcus Metzler <mocm@thp.uni-koeln.de> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | (c) 1999-2002 Gerd Knorr <kraxel@bytesex.org> |
| 8 | |
| 9 | some v4l2 code lines are taken from Justin's bttv2 driver which is |
| 10 | (c) 2000 Justin Schoeman <justin@suntiger.ee.up.ac.za> |
| 11 | |
Nickolay V. Shmyrev | e84619b | 2007-10-26 11:01:08 -0300 | [diff] [blame] | 12 | V4L1 removal from: |
| 13 | (c) 2005-2006 Nickolay V. Shmyrev <nshmyrev@yandex.ru> |
| 14 | |
Mauro Carvalho Chehab | c96dd07 | 2007-10-26 16:51:47 -0300 | [diff] [blame] | 15 | Fixes to be fully V4L2 compliant by |
| 16 | (c) 2006 Mauro Carvalho Chehab <mchehab@infradead.org> |
| 17 | |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 18 | Cropping and overscan support |
| 19 | Copyright (C) 2005, 2006 Michael H. Schimek <mschimek@gmx.at> |
| 20 | Sponsored by OPQ Systems AB |
| 21 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | This program is free software; you can redistribute it and/or modify |
| 23 | it under the terms of the GNU General Public License as published by |
| 24 | the Free Software Foundation; either version 2 of the License, or |
| 25 | (at your option) any later version. |
| 26 | |
| 27 | This program is distributed in the hope that it will be useful, |
| 28 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 30 | GNU General Public License for more details. |
| 31 | |
| 32 | You should have received a copy of the GNU General Public License |
| 33 | along with this program; if not, write to the Free Software |
| 34 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 35 | */ |
| 36 | |
| 37 | #include <linux/init.h> |
| 38 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | #include <linux/delay.h> |
| 40 | #include <linux/errno.h> |
| 41 | #include <linux/fs.h> |
| 42 | #include <linux/kernel.h> |
| 43 | #include <linux/sched.h> |
| 44 | #include <linux/interrupt.h> |
| 45 | #include <linux/kdev_t.h> |
Mauro Carvalho Chehab | b5b8ab8 | 2006-01-09 15:25:20 -0200 | [diff] [blame] | 46 | #include "bttvp.h" |
Michael Krufky | 5e453dc | 2006-01-09 15:32:31 -0200 | [diff] [blame] | 47 | #include <media/v4l2-common.h> |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 48 | #include <media/tvaudio.h> |
Hans Verkuil | 2474ed4 | 2006-03-19 12:35:57 -0300 | [diff] [blame] | 49 | #include <media/msp3400.h> |
Mauro Carvalho Chehab | b5b8ab8 | 2006-01-09 15:25:20 -0200 | [diff] [blame] | 50 | |
Mauro Carvalho Chehab | fa9846a | 2005-07-12 13:58:42 -0700 | [diff] [blame] | 51 | #include <linux/dma-mapping.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | |
| 53 | #include <asm/io.h> |
| 54 | #include <asm/byteorder.h> |
| 55 | |
Mauro Carvalho Chehab | fa3fcce | 2006-03-23 21:45:24 -0300 | [diff] [blame] | 56 | #include <media/rds.h> |
Mauro Carvalho Chehab | 24a70fd | 2005-09-09 13:03:39 -0700 | [diff] [blame] | 57 | |
| 58 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | unsigned int bttv_num; /* number of Bt848s in use */ |
| 60 | struct bttv bttvs[BTTV_MAX]; |
| 61 | |
Mauro Carvalho Chehab | a5ed425 | 2006-01-13 14:10:19 -0200 | [diff] [blame] | 62 | unsigned int bttv_debug; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | unsigned int bttv_verbose = 1; |
Mauro Carvalho Chehab | a5ed425 | 2006-01-13 14:10:19 -0200 | [diff] [blame] | 64 | unsigned int bttv_gpio; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | |
| 66 | /* config variables */ |
| 67 | #ifdef __BIG_ENDIAN |
| 68 | static unsigned int bigendian=1; |
| 69 | #else |
Mauro Carvalho Chehab | a5ed425 | 2006-01-13 14:10:19 -0200 | [diff] [blame] | 70 | static unsigned int bigendian; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | #endif |
| 72 | static unsigned int radio[BTTV_MAX]; |
Mauro Carvalho Chehab | a5ed425 | 2006-01-13 14:10:19 -0200 | [diff] [blame] | 73 | static unsigned int irq_debug; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | static unsigned int gbuffers = 8; |
| 75 | static unsigned int gbufsize = 0x208000; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 76 | static unsigned int reset_crop = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | |
| 78 | static int video_nr = -1; |
| 79 | static int radio_nr = -1; |
| 80 | static int vbi_nr = -1; |
Mauro Carvalho Chehab | a5ed425 | 2006-01-13 14:10:19 -0200 | [diff] [blame] | 81 | static int debug_latency; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | |
Mauro Carvalho Chehab | a5ed425 | 2006-01-13 14:10:19 -0200 | [diff] [blame] | 83 | static unsigned int fdsr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | |
| 85 | /* options */ |
Mauro Carvalho Chehab | a5ed425 | 2006-01-13 14:10:19 -0200 | [diff] [blame] | 86 | static unsigned int combfilter; |
| 87 | static unsigned int lumafilter; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | static unsigned int automute = 1; |
Mauro Carvalho Chehab | a5ed425 | 2006-01-13 14:10:19 -0200 | [diff] [blame] | 89 | static unsigned int chroma_agc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | static unsigned int adc_crush = 1; |
| 91 | static unsigned int whitecrush_upper = 0xCF; |
| 92 | static unsigned int whitecrush_lower = 0x7F; |
Mauro Carvalho Chehab | a5ed425 | 2006-01-13 14:10:19 -0200 | [diff] [blame] | 93 | static unsigned int vcr_hack; |
| 94 | static unsigned int irq_iswitch; |
Mauro Carvalho Chehab | 060d302 | 2005-06-28 20:45:25 -0700 | [diff] [blame] | 95 | static unsigned int uv_ratio = 50; |
Mauro Carvalho Chehab | a5ed425 | 2006-01-13 14:10:19 -0200 | [diff] [blame] | 96 | static unsigned int full_luma_range; |
| 97 | static unsigned int coring; |
Mauro Carvalho Chehab | 4dcef52 | 2005-08-04 12:53:30 -0700 | [diff] [blame] | 98 | extern int no_overlay; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | |
| 100 | /* API features (turn on/off stuff for testing) */ |
| 101 | static unsigned int v4l2 = 1; |
| 102 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | /* insmod args */ |
| 104 | module_param(bttv_verbose, int, 0644); |
| 105 | module_param(bttv_gpio, int, 0644); |
| 106 | module_param(bttv_debug, int, 0644); |
| 107 | module_param(irq_debug, int, 0644); |
| 108 | module_param(debug_latency, int, 0644); |
| 109 | |
| 110 | module_param(fdsr, int, 0444); |
| 111 | module_param(video_nr, int, 0444); |
| 112 | module_param(radio_nr, int, 0444); |
| 113 | module_param(vbi_nr, int, 0444); |
| 114 | module_param(gbuffers, int, 0444); |
| 115 | module_param(gbufsize, int, 0444); |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 116 | module_param(reset_crop, int, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | |
| 118 | module_param(v4l2, int, 0644); |
| 119 | module_param(bigendian, int, 0644); |
| 120 | module_param(irq_iswitch, int, 0644); |
| 121 | module_param(combfilter, int, 0444); |
| 122 | module_param(lumafilter, int, 0444); |
| 123 | module_param(automute, int, 0444); |
| 124 | module_param(chroma_agc, int, 0444); |
| 125 | module_param(adc_crush, int, 0444); |
| 126 | module_param(whitecrush_upper, int, 0444); |
| 127 | module_param(whitecrush_lower, int, 0444); |
| 128 | module_param(vcr_hack, int, 0444); |
Mauro Carvalho Chehab | 060d302 | 2005-06-28 20:45:25 -0700 | [diff] [blame] | 129 | module_param(uv_ratio, int, 0444); |
| 130 | module_param(full_luma_range, int, 0444); |
| 131 | module_param(coring, int, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | |
| 133 | module_param_array(radio, int, NULL, 0444); |
| 134 | |
| 135 | MODULE_PARM_DESC(radio,"The TV card supports radio, default is 0 (no)"); |
| 136 | MODULE_PARM_DESC(bigendian,"byte order of the framebuffer, default is native endian"); |
| 137 | MODULE_PARM_DESC(bttv_verbose,"verbose startup messages, default is 1 (yes)"); |
| 138 | MODULE_PARM_DESC(bttv_gpio,"log gpio changes, default is 0 (no)"); |
| 139 | MODULE_PARM_DESC(bttv_debug,"debug messages, default is 0 (no)"); |
| 140 | MODULE_PARM_DESC(irq_debug,"irq handler debug messages, default is 0 (no)"); |
| 141 | MODULE_PARM_DESC(gbuffers,"number of capture buffers. range 2-32, default 8"); |
| 142 | MODULE_PARM_DESC(gbufsize,"size of the capture buffers, default is 0x208000"); |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 143 | MODULE_PARM_DESC(reset_crop,"reset cropping parameters at open(), default " |
| 144 | "is 1 (yes) for compatibility with older applications"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | MODULE_PARM_DESC(automute,"mute audio on bad/missing video signal, default is 1 (yes)"); |
| 146 | MODULE_PARM_DESC(chroma_agc,"enables the AGC of chroma signal, default is 0 (no)"); |
| 147 | MODULE_PARM_DESC(adc_crush,"enables the luminance ADC crush, default is 1 (yes)"); |
| 148 | MODULE_PARM_DESC(whitecrush_upper,"sets the white crush upper value, default is 207"); |
| 149 | MODULE_PARM_DESC(whitecrush_lower,"sets the white crush lower value, default is 127"); |
| 150 | MODULE_PARM_DESC(vcr_hack,"enables the VCR hack (improves synch on poor VCR tapes), default is 0 (no)"); |
| 151 | MODULE_PARM_DESC(irq_iswitch,"switch inputs in irq handler"); |
Mauro Carvalho Chehab | 060d302 | 2005-06-28 20:45:25 -0700 | [diff] [blame] | 152 | MODULE_PARM_DESC(uv_ratio,"ratio between u and v gains, default is 50"); |
| 153 | MODULE_PARM_DESC(full_luma_range,"use the full luma range, default is 0 (no)"); |
| 154 | MODULE_PARM_DESC(coring,"set the luma coring level, default is 0 (no)"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | |
| 156 | MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards"); |
| 157 | MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr"); |
| 158 | MODULE_LICENSE("GPL"); |
| 159 | |
| 160 | /* ----------------------------------------------------------------------- */ |
| 161 | /* sysfs */ |
| 162 | |
Kay Sievers | 54bd5b6 | 2007-10-08 16:26:13 -0300 | [diff] [blame] | 163 | static ssize_t show_card(struct device *cd, |
| 164 | struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | { |
Mauro Carvalho Chehab | c96dd07 | 2007-10-26 16:51:47 -0300 | [diff] [blame] | 166 | struct video_device *vfd = container_of(cd, struct video_device, class_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | struct bttv *btv = dev_get_drvdata(vfd->dev); |
| 168 | return sprintf(buf, "%d\n", btv ? btv->c.type : UNSET); |
| 169 | } |
Kay Sievers | 54bd5b6 | 2007-10-08 16:26:13 -0300 | [diff] [blame] | 170 | static DEVICE_ATTR(card, S_IRUGO, show_card, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | |
| 172 | /* ----------------------------------------------------------------------- */ |
Jarod Wilson | f992a49 | 2007-03-24 15:23:50 -0300 | [diff] [blame] | 173 | /* dvb auto-load setup */ |
| 174 | #if defined(CONFIG_MODULES) && defined(MODULE) |
| 175 | static void request_module_async(struct work_struct *work) |
| 176 | { |
| 177 | request_module("dvb-bt8xx"); |
| 178 | } |
| 179 | |
| 180 | static void request_modules(struct bttv *dev) |
| 181 | { |
| 182 | INIT_WORK(&dev->request_module_wk, request_module_async); |
| 183 | schedule_work(&dev->request_module_wk); |
| 184 | } |
| 185 | #else |
| 186 | #define request_modules(dev) |
| 187 | #endif /* CONFIG_MODULES */ |
| 188 | |
| 189 | |
| 190 | /* ----------------------------------------------------------------------- */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | /* static data */ |
| 192 | |
| 193 | /* special timing tables from conexant... */ |
| 194 | static u8 SRAM_Table[][60] = |
| 195 | { |
| 196 | /* PAL digital input over GPIO[7:0] */ |
| 197 | { |
| 198 | 45, // 45 bytes following |
| 199 | 0x36,0x11,0x01,0x00,0x90,0x02,0x05,0x10,0x04,0x16, |
| 200 | 0x12,0x05,0x11,0x00,0x04,0x12,0xC0,0x00,0x31,0x00, |
| 201 | 0x06,0x51,0x08,0x03,0x89,0x08,0x07,0xC0,0x44,0x00, |
| 202 | 0x81,0x01,0x01,0xA9,0x0D,0x02,0x02,0x50,0x03,0x37, |
| 203 | 0x37,0x00,0xAF,0x21,0x00 |
| 204 | }, |
| 205 | /* NTSC digital input over GPIO[7:0] */ |
| 206 | { |
| 207 | 51, // 51 bytes following |
| 208 | 0x0C,0xC0,0x00,0x00,0x90,0x02,0x03,0x10,0x03,0x06, |
| 209 | 0x10,0x04,0x12,0x12,0x05,0x02,0x13,0x04,0x19,0x00, |
| 210 | 0x04,0x39,0x00,0x06,0x59,0x08,0x03,0x83,0x08,0x07, |
| 211 | 0x03,0x50,0x00,0xC0,0x40,0x00,0x86,0x01,0x01,0xA6, |
| 212 | 0x0D,0x02,0x03,0x11,0x01,0x05,0x37,0x00,0xAC,0x21, |
| 213 | 0x00, |
| 214 | }, |
| 215 | // TGB_NTSC392 // quartzsight |
| 216 | // This table has been modified to be used for Fusion Rev D |
| 217 | { |
| 218 | 0x2A, // size of table = 42 |
| 219 | 0x06, 0x08, 0x04, 0x0a, 0xc0, 0x00, 0x18, 0x08, 0x03, 0x24, |
| 220 | 0x08, 0x07, 0x02, 0x90, 0x02, 0x08, 0x10, 0x04, 0x0c, 0x10, |
| 221 | 0x05, 0x2c, 0x11, 0x04, 0x55, 0x48, 0x00, 0x05, 0x50, 0x00, |
| 222 | 0xbf, 0x0c, 0x02, 0x2f, 0x3d, 0x00, 0x2f, 0x3f, 0x00, 0xc3, |
| 223 | 0x20, 0x00 |
| 224 | } |
| 225 | }; |
| 226 | |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 227 | /* minhdelayx1 first video pixel we can capture on a line and |
| 228 | hdelayx1 start of active video, both relative to rising edge of |
| 229 | /HRESET pulse (0H) in 1 / fCLKx1. |
| 230 | swidth width of active video and |
| 231 | totalwidth total line width, both in 1 / fCLKx1. |
| 232 | sqwidth total line width in square pixels. |
| 233 | vdelay start of active video in 2 * field lines relative to |
| 234 | trailing edge of /VRESET pulse (VDELAY register). |
| 235 | sheight height of active video in 2 * field lines. |
| 236 | videostart0 ITU-R frame line number of the line corresponding |
| 237 | to vdelay in the first field. */ |
| 238 | #define CROPCAP(minhdelayx1, hdelayx1, swidth, totalwidth, sqwidth, \ |
| 239 | vdelay, sheight, videostart0) \ |
| 240 | .cropcap.bounds.left = minhdelayx1, \ |
| 241 | /* * 2 because vertically we count field lines times two, */ \ |
| 242 | /* e.g. 23 * 2 to 23 * 2 + 576 in PAL-BGHI defrect. */ \ |
| 243 | .cropcap.bounds.top = (videostart0) * 2 - (vdelay) + MIN_VDELAY, \ |
| 244 | /* 4 is a safety margin at the end of the line. */ \ |
| 245 | .cropcap.bounds.width = (totalwidth) - (minhdelayx1) - 4, \ |
| 246 | .cropcap.bounds.height = (sheight) + (vdelay) - MIN_VDELAY, \ |
| 247 | .cropcap.defrect.left = hdelayx1, \ |
| 248 | .cropcap.defrect.top = (videostart0) * 2, \ |
| 249 | .cropcap.defrect.width = swidth, \ |
| 250 | .cropcap.defrect.height = sheight, \ |
| 251 | .cropcap.pixelaspect.numerator = totalwidth, \ |
| 252 | .cropcap.pixelaspect.denominator = sqwidth, |
| 253 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | const struct bttv_tvnorm bttv_tvnorms[] = { |
| 255 | /* PAL-BDGHI */ |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 256 | /* max. active video is actually 922, but 924 is divisible by 4 and 3! */ |
| 257 | /* actually, max active PAL with HSCALE=0 is 948, NTSC is 768 - nil */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | { |
| 259 | .v4l2_id = V4L2_STD_PAL, |
| 260 | .name = "PAL", |
| 261 | .Fsc = 35468950, |
| 262 | .swidth = 924, |
| 263 | .sheight = 576, |
| 264 | .totalwidth = 1135, |
| 265 | .adelay = 0x7f, |
| 266 | .bdelay = 0x72, |
| 267 | .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1), |
| 268 | .scaledtwidth = 1135, |
| 269 | .hdelayx1 = 186, |
| 270 | .hactivex1 = 924, |
| 271 | .vdelay = 0x20, |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 272 | .vbipack = 255, /* min (2048 / 4, 0x1ff) & 0xff */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | .sram = 0, |
Michael H. Schimek | 67f1570 | 2006-01-09 15:25:27 -0200 | [diff] [blame] | 274 | /* ITU-R frame line number of the first VBI line |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 275 | we can capture, of the first and second field. |
| 276 | The last line is determined by cropcap.bounds. */ |
| 277 | .vbistart = { 7, 320 }, |
| 278 | CROPCAP(/* minhdelayx1 */ 68, |
| 279 | /* hdelayx1 */ 186, |
| 280 | /* Should be (768 * 1135 + 944 / 2) / 944. |
| 281 | cropcap.defrect is used for image width |
| 282 | checks, so we keep the old value 924. */ |
| 283 | /* swidth */ 924, |
| 284 | /* totalwidth */ 1135, |
| 285 | /* sqwidth */ 944, |
| 286 | /* vdelay */ 0x20, |
| 287 | /* sheight */ 576, |
| 288 | /* videostart0 */ 23) |
| 289 | /* bt878 (and bt848?) can capture another |
| 290 | line below active video. */ |
| 291 | .cropcap.bounds.height = (576 + 2) + 0x20 - 2, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | },{ |
Hans Verkuil | d97a11e | 2006-02-07 06:48:40 -0200 | [diff] [blame] | 293 | .v4l2_id = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | .name = "NTSC", |
| 295 | .Fsc = 28636363, |
| 296 | .swidth = 768, |
| 297 | .sheight = 480, |
| 298 | .totalwidth = 910, |
| 299 | .adelay = 0x68, |
| 300 | .bdelay = 0x5d, |
| 301 | .iform = (BT848_IFORM_NTSC|BT848_IFORM_XT0), |
| 302 | .scaledtwidth = 910, |
| 303 | .hdelayx1 = 128, |
| 304 | .hactivex1 = 910, |
| 305 | .vdelay = 0x1a, |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 306 | .vbipack = 144, /* min (1600 / 4, 0x1ff) & 0xff */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | .sram = 1, |
Michael H. Schimek | 67f1570 | 2006-01-09 15:25:27 -0200 | [diff] [blame] | 308 | .vbistart = { 10, 273 }, |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 309 | CROPCAP(/* minhdelayx1 */ 68, |
| 310 | /* hdelayx1 */ 128, |
| 311 | /* Should be (640 * 910 + 780 / 2) / 780? */ |
| 312 | /* swidth */ 768, |
| 313 | /* totalwidth */ 910, |
| 314 | /* sqwidth */ 780, |
| 315 | /* vdelay */ 0x1a, |
| 316 | /* sheight */ 480, |
| 317 | /* videostart0 */ 23) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | },{ |
| 319 | .v4l2_id = V4L2_STD_SECAM, |
| 320 | .name = "SECAM", |
| 321 | .Fsc = 35468950, |
| 322 | .swidth = 924, |
| 323 | .sheight = 576, |
| 324 | .totalwidth = 1135, |
| 325 | .adelay = 0x7f, |
| 326 | .bdelay = 0xb0, |
| 327 | .iform = (BT848_IFORM_SECAM|BT848_IFORM_XT1), |
| 328 | .scaledtwidth = 1135, |
| 329 | .hdelayx1 = 186, |
| 330 | .hactivex1 = 922, |
| 331 | .vdelay = 0x20, |
| 332 | .vbipack = 255, |
| 333 | .sram = 0, /* like PAL, correct? */ |
Michael H. Schimek | 67f1570 | 2006-01-09 15:25:27 -0200 | [diff] [blame] | 334 | .vbistart = { 7, 320 }, |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 335 | CROPCAP(/* minhdelayx1 */ 68, |
| 336 | /* hdelayx1 */ 186, |
| 337 | /* swidth */ 924, |
| 338 | /* totalwidth */ 1135, |
| 339 | /* sqwidth */ 944, |
| 340 | /* vdelay */ 0x20, |
| 341 | /* sheight */ 576, |
| 342 | /* videostart0 */ 23) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | },{ |
| 344 | .v4l2_id = V4L2_STD_PAL_Nc, |
| 345 | .name = "PAL-Nc", |
| 346 | .Fsc = 28636363, |
| 347 | .swidth = 640, |
| 348 | .sheight = 576, |
| 349 | .totalwidth = 910, |
| 350 | .adelay = 0x68, |
| 351 | .bdelay = 0x5d, |
| 352 | .iform = (BT848_IFORM_PAL_NC|BT848_IFORM_XT0), |
| 353 | .scaledtwidth = 780, |
| 354 | .hdelayx1 = 130, |
| 355 | .hactivex1 = 734, |
| 356 | .vdelay = 0x1a, |
| 357 | .vbipack = 144, |
| 358 | .sram = -1, |
Michael H. Schimek | 67f1570 | 2006-01-09 15:25:27 -0200 | [diff] [blame] | 359 | .vbistart = { 7, 320 }, |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 360 | CROPCAP(/* minhdelayx1 */ 68, |
| 361 | /* hdelayx1 */ 130, |
| 362 | /* swidth */ (640 * 910 + 780 / 2) / 780, |
| 363 | /* totalwidth */ 910, |
| 364 | /* sqwidth */ 780, |
| 365 | /* vdelay */ 0x1a, |
| 366 | /* sheight */ 576, |
| 367 | /* videostart0 */ 23) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | },{ |
| 369 | .v4l2_id = V4L2_STD_PAL_M, |
| 370 | .name = "PAL-M", |
| 371 | .Fsc = 28636363, |
| 372 | .swidth = 640, |
| 373 | .sheight = 480, |
| 374 | .totalwidth = 910, |
| 375 | .adelay = 0x68, |
| 376 | .bdelay = 0x5d, |
| 377 | .iform = (BT848_IFORM_PAL_M|BT848_IFORM_XT0), |
| 378 | .scaledtwidth = 780, |
| 379 | .hdelayx1 = 135, |
| 380 | .hactivex1 = 754, |
| 381 | .vdelay = 0x1a, |
| 382 | .vbipack = 144, |
| 383 | .sram = -1, |
Michael H. Schimek | 67f1570 | 2006-01-09 15:25:27 -0200 | [diff] [blame] | 384 | .vbistart = { 10, 273 }, |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 385 | CROPCAP(/* minhdelayx1 */ 68, |
| 386 | /* hdelayx1 */ 135, |
| 387 | /* swidth */ (640 * 910 + 780 / 2) / 780, |
| 388 | /* totalwidth */ 910, |
| 389 | /* sqwidth */ 780, |
| 390 | /* vdelay */ 0x1a, |
| 391 | /* sheight */ 480, |
| 392 | /* videostart0 */ 23) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | },{ |
| 394 | .v4l2_id = V4L2_STD_PAL_N, |
| 395 | .name = "PAL-N", |
| 396 | .Fsc = 35468950, |
| 397 | .swidth = 768, |
| 398 | .sheight = 576, |
| 399 | .totalwidth = 1135, |
| 400 | .adelay = 0x7f, |
| 401 | .bdelay = 0x72, |
| 402 | .iform = (BT848_IFORM_PAL_N|BT848_IFORM_XT1), |
| 403 | .scaledtwidth = 944, |
| 404 | .hdelayx1 = 186, |
| 405 | .hactivex1 = 922, |
| 406 | .vdelay = 0x20, |
| 407 | .vbipack = 144, |
| 408 | .sram = -1, |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 409 | .vbistart = { 7, 320 }, |
| 410 | CROPCAP(/* minhdelayx1 */ 68, |
| 411 | /* hdelayx1 */ 186, |
| 412 | /* swidth */ (768 * 1135 + 944 / 2) / 944, |
| 413 | /* totalwidth */ 1135, |
| 414 | /* sqwidth */ 944, |
| 415 | /* vdelay */ 0x20, |
| 416 | /* sheight */ 576, |
| 417 | /* videostart0 */ 23) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | },{ |
| 419 | .v4l2_id = V4L2_STD_NTSC_M_JP, |
| 420 | .name = "NTSC-JP", |
| 421 | .Fsc = 28636363, |
| 422 | .swidth = 640, |
| 423 | .sheight = 480, |
| 424 | .totalwidth = 910, |
| 425 | .adelay = 0x68, |
| 426 | .bdelay = 0x5d, |
| 427 | .iform = (BT848_IFORM_NTSC_J|BT848_IFORM_XT0), |
| 428 | .scaledtwidth = 780, |
| 429 | .hdelayx1 = 135, |
| 430 | .hactivex1 = 754, |
| 431 | .vdelay = 0x16, |
| 432 | .vbipack = 144, |
| 433 | .sram = -1, |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 434 | .vbistart = { 10, 273 }, |
| 435 | CROPCAP(/* minhdelayx1 */ 68, |
| 436 | /* hdelayx1 */ 135, |
| 437 | /* swidth */ (640 * 910 + 780 / 2) / 780, |
| 438 | /* totalwidth */ 910, |
| 439 | /* sqwidth */ 780, |
| 440 | /* vdelay */ 0x16, |
| 441 | /* sheight */ 480, |
| 442 | /* videostart0 */ 23) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | },{ |
| 444 | /* that one hopefully works with the strange timing |
| 445 | * which video recorders produce when playing a NTSC |
| 446 | * tape on a PAL TV ... */ |
| 447 | .v4l2_id = V4L2_STD_PAL_60, |
| 448 | .name = "PAL-60", |
| 449 | .Fsc = 35468950, |
| 450 | .swidth = 924, |
| 451 | .sheight = 480, |
| 452 | .totalwidth = 1135, |
| 453 | .adelay = 0x7f, |
| 454 | .bdelay = 0x72, |
| 455 | .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1), |
| 456 | .scaledtwidth = 1135, |
| 457 | .hdelayx1 = 186, |
| 458 | .hactivex1 = 924, |
| 459 | .vdelay = 0x1a, |
| 460 | .vbipack = 255, |
| 461 | .vtotal = 524, |
| 462 | .sram = -1, |
Michael H. Schimek | 67f1570 | 2006-01-09 15:25:27 -0200 | [diff] [blame] | 463 | .vbistart = { 10, 273 }, |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 464 | CROPCAP(/* minhdelayx1 */ 68, |
| 465 | /* hdelayx1 */ 186, |
| 466 | /* swidth */ 924, |
| 467 | /* totalwidth */ 1135, |
| 468 | /* sqwidth */ 944, |
| 469 | /* vdelay */ 0x1a, |
| 470 | /* sheight */ 480, |
| 471 | /* videostart0 */ 23) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | } |
| 473 | }; |
| 474 | static const unsigned int BTTV_TVNORMS = ARRAY_SIZE(bttv_tvnorms); |
| 475 | |
| 476 | /* ----------------------------------------------------------------------- */ |
| 477 | /* bttv format list |
| 478 | packed pixel formats must come first */ |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 479 | static const struct bttv_format formats[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 480 | { |
| 481 | .name = "8 bpp, gray", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | .fourcc = V4L2_PIX_FMT_GREY, |
| 483 | .btformat = BT848_COLOR_FMT_Y8, |
| 484 | .depth = 8, |
| 485 | .flags = FORMAT_FLAGS_PACKED, |
| 486 | },{ |
| 487 | .name = "8 bpp, dithered color", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | .fourcc = V4L2_PIX_FMT_HI240, |
| 489 | .btformat = BT848_COLOR_FMT_RGB8, |
| 490 | .depth = 8, |
| 491 | .flags = FORMAT_FLAGS_PACKED | FORMAT_FLAGS_DITHER, |
| 492 | },{ |
| 493 | .name = "15 bpp RGB, le", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | .fourcc = V4L2_PIX_FMT_RGB555, |
| 495 | .btformat = BT848_COLOR_FMT_RGB15, |
| 496 | .depth = 16, |
| 497 | .flags = FORMAT_FLAGS_PACKED, |
| 498 | },{ |
| 499 | .name = "15 bpp RGB, be", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | .fourcc = V4L2_PIX_FMT_RGB555X, |
| 501 | .btformat = BT848_COLOR_FMT_RGB15, |
| 502 | .btswap = 0x03, /* byteswap */ |
| 503 | .depth = 16, |
| 504 | .flags = FORMAT_FLAGS_PACKED, |
| 505 | },{ |
| 506 | .name = "16 bpp RGB, le", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | .fourcc = V4L2_PIX_FMT_RGB565, |
| 508 | .btformat = BT848_COLOR_FMT_RGB16, |
| 509 | .depth = 16, |
| 510 | .flags = FORMAT_FLAGS_PACKED, |
| 511 | },{ |
| 512 | .name = "16 bpp RGB, be", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 513 | .fourcc = V4L2_PIX_FMT_RGB565X, |
| 514 | .btformat = BT848_COLOR_FMT_RGB16, |
| 515 | .btswap = 0x03, /* byteswap */ |
| 516 | .depth = 16, |
| 517 | .flags = FORMAT_FLAGS_PACKED, |
| 518 | },{ |
| 519 | .name = "24 bpp RGB, le", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | .fourcc = V4L2_PIX_FMT_BGR24, |
| 521 | .btformat = BT848_COLOR_FMT_RGB24, |
| 522 | .depth = 24, |
| 523 | .flags = FORMAT_FLAGS_PACKED, |
| 524 | },{ |
| 525 | .name = "32 bpp RGB, le", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 526 | .fourcc = V4L2_PIX_FMT_BGR32, |
| 527 | .btformat = BT848_COLOR_FMT_RGB32, |
| 528 | .depth = 32, |
| 529 | .flags = FORMAT_FLAGS_PACKED, |
| 530 | },{ |
| 531 | .name = "32 bpp RGB, be", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | .fourcc = V4L2_PIX_FMT_RGB32, |
| 533 | .btformat = BT848_COLOR_FMT_RGB32, |
| 534 | .btswap = 0x0f, /* byte+word swap */ |
| 535 | .depth = 32, |
| 536 | .flags = FORMAT_FLAGS_PACKED, |
| 537 | },{ |
| 538 | .name = "4:2:2, packed, YUYV", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 540 | .btformat = BT848_COLOR_FMT_YUY2, |
| 541 | .depth = 16, |
| 542 | .flags = FORMAT_FLAGS_PACKED, |
| 543 | },{ |
| 544 | .name = "4:2:2, packed, YUYV", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 546 | .btformat = BT848_COLOR_FMT_YUY2, |
| 547 | .depth = 16, |
| 548 | .flags = FORMAT_FLAGS_PACKED, |
| 549 | },{ |
| 550 | .name = "4:2:2, packed, UYVY", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | .fourcc = V4L2_PIX_FMT_UYVY, |
| 552 | .btformat = BT848_COLOR_FMT_YUY2, |
| 553 | .btswap = 0x03, /* byteswap */ |
| 554 | .depth = 16, |
| 555 | .flags = FORMAT_FLAGS_PACKED, |
| 556 | },{ |
| 557 | .name = "4:2:2, planar, Y-Cb-Cr", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | .fourcc = V4L2_PIX_FMT_YUV422P, |
| 559 | .btformat = BT848_COLOR_FMT_YCrCb422, |
| 560 | .depth = 16, |
| 561 | .flags = FORMAT_FLAGS_PLANAR, |
| 562 | .hshift = 1, |
| 563 | .vshift = 0, |
| 564 | },{ |
| 565 | .name = "4:2:0, planar, Y-Cb-Cr", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 566 | .fourcc = V4L2_PIX_FMT_YUV420, |
| 567 | .btformat = BT848_COLOR_FMT_YCrCb422, |
| 568 | .depth = 12, |
| 569 | .flags = FORMAT_FLAGS_PLANAR, |
| 570 | .hshift = 1, |
| 571 | .vshift = 1, |
| 572 | },{ |
| 573 | .name = "4:2:0, planar, Y-Cr-Cb", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 574 | .fourcc = V4L2_PIX_FMT_YVU420, |
| 575 | .btformat = BT848_COLOR_FMT_YCrCb422, |
| 576 | .depth = 12, |
| 577 | .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb, |
| 578 | .hshift = 1, |
| 579 | .vshift = 1, |
| 580 | },{ |
| 581 | .name = "4:1:1, planar, Y-Cb-Cr", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 582 | .fourcc = V4L2_PIX_FMT_YUV411P, |
| 583 | .btformat = BT848_COLOR_FMT_YCrCb411, |
| 584 | .depth = 12, |
| 585 | .flags = FORMAT_FLAGS_PLANAR, |
| 586 | .hshift = 2, |
| 587 | .vshift = 0, |
| 588 | },{ |
| 589 | .name = "4:1:0, planar, Y-Cb-Cr", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 590 | .fourcc = V4L2_PIX_FMT_YUV410, |
| 591 | .btformat = BT848_COLOR_FMT_YCrCb411, |
| 592 | .depth = 9, |
| 593 | .flags = FORMAT_FLAGS_PLANAR, |
| 594 | .hshift = 2, |
| 595 | .vshift = 2, |
| 596 | },{ |
| 597 | .name = "4:1:0, planar, Y-Cr-Cb", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 598 | .fourcc = V4L2_PIX_FMT_YVU410, |
| 599 | .btformat = BT848_COLOR_FMT_YCrCb411, |
| 600 | .depth = 9, |
| 601 | .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb, |
| 602 | .hshift = 2, |
| 603 | .vshift = 2, |
| 604 | },{ |
| 605 | .name = "raw scanlines", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 606 | .fourcc = -1, |
| 607 | .btformat = BT848_COLOR_FMT_RAW, |
| 608 | .depth = 8, |
| 609 | .flags = FORMAT_FLAGS_RAW, |
| 610 | } |
| 611 | }; |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 612 | static const unsigned int FORMATS = ARRAY_SIZE(formats); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 613 | |
| 614 | /* ----------------------------------------------------------------------- */ |
| 615 | |
| 616 | #define V4L2_CID_PRIVATE_CHROMA_AGC (V4L2_CID_PRIVATE_BASE + 0) |
| 617 | #define V4L2_CID_PRIVATE_COMBFILTER (V4L2_CID_PRIVATE_BASE + 1) |
| 618 | #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 2) |
| 619 | #define V4L2_CID_PRIVATE_LUMAFILTER (V4L2_CID_PRIVATE_BASE + 3) |
| 620 | #define V4L2_CID_PRIVATE_AGC_CRUSH (V4L2_CID_PRIVATE_BASE + 4) |
| 621 | #define V4L2_CID_PRIVATE_VCR_HACK (V4L2_CID_PRIVATE_BASE + 5) |
| 622 | #define V4L2_CID_PRIVATE_WHITECRUSH_UPPER (V4L2_CID_PRIVATE_BASE + 6) |
| 623 | #define V4L2_CID_PRIVATE_WHITECRUSH_LOWER (V4L2_CID_PRIVATE_BASE + 7) |
Mauro Carvalho Chehab | 060d302 | 2005-06-28 20:45:25 -0700 | [diff] [blame] | 624 | #define V4L2_CID_PRIVATE_UV_RATIO (V4L2_CID_PRIVATE_BASE + 8) |
| 625 | #define V4L2_CID_PRIVATE_FULL_LUMA_RANGE (V4L2_CID_PRIVATE_BASE + 9) |
| 626 | #define V4L2_CID_PRIVATE_CORING (V4L2_CID_PRIVATE_BASE + 10) |
| 627 | #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 11) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 628 | |
| 629 | static const struct v4l2_queryctrl no_ctl = { |
| 630 | .name = "42", |
| 631 | .flags = V4L2_CTRL_FLAG_DISABLED, |
| 632 | }; |
| 633 | static const struct v4l2_queryctrl bttv_ctls[] = { |
| 634 | /* --- video --- */ |
| 635 | { |
| 636 | .id = V4L2_CID_BRIGHTNESS, |
| 637 | .name = "Brightness", |
| 638 | .minimum = 0, |
| 639 | .maximum = 65535, |
| 640 | .step = 256, |
| 641 | .default_value = 32768, |
| 642 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 643 | },{ |
| 644 | .id = V4L2_CID_CONTRAST, |
| 645 | .name = "Contrast", |
| 646 | .minimum = 0, |
| 647 | .maximum = 65535, |
| 648 | .step = 128, |
| 649 | .default_value = 32768, |
| 650 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 651 | },{ |
| 652 | .id = V4L2_CID_SATURATION, |
| 653 | .name = "Saturation", |
| 654 | .minimum = 0, |
| 655 | .maximum = 65535, |
| 656 | .step = 128, |
| 657 | .default_value = 32768, |
| 658 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 659 | },{ |
| 660 | .id = V4L2_CID_HUE, |
| 661 | .name = "Hue", |
| 662 | .minimum = 0, |
| 663 | .maximum = 65535, |
| 664 | .step = 256, |
| 665 | .default_value = 32768, |
| 666 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 667 | }, |
| 668 | /* --- audio --- */ |
| 669 | { |
| 670 | .id = V4L2_CID_AUDIO_MUTE, |
| 671 | .name = "Mute", |
| 672 | .minimum = 0, |
| 673 | .maximum = 1, |
| 674 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 675 | },{ |
| 676 | .id = V4L2_CID_AUDIO_VOLUME, |
| 677 | .name = "Volume", |
| 678 | .minimum = 0, |
| 679 | .maximum = 65535, |
| 680 | .step = 65535/100, |
| 681 | .default_value = 65535, |
| 682 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 683 | },{ |
| 684 | .id = V4L2_CID_AUDIO_BALANCE, |
| 685 | .name = "Balance", |
| 686 | .minimum = 0, |
| 687 | .maximum = 65535, |
| 688 | .step = 65535/100, |
| 689 | .default_value = 32768, |
| 690 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 691 | },{ |
| 692 | .id = V4L2_CID_AUDIO_BASS, |
| 693 | .name = "Bass", |
| 694 | .minimum = 0, |
| 695 | .maximum = 65535, |
| 696 | .step = 65535/100, |
| 697 | .default_value = 32768, |
| 698 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 699 | },{ |
| 700 | .id = V4L2_CID_AUDIO_TREBLE, |
| 701 | .name = "Treble", |
| 702 | .minimum = 0, |
| 703 | .maximum = 65535, |
| 704 | .step = 65535/100, |
| 705 | .default_value = 32768, |
| 706 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 707 | }, |
| 708 | /* --- private --- */ |
| 709 | { |
| 710 | .id = V4L2_CID_PRIVATE_CHROMA_AGC, |
| 711 | .name = "chroma agc", |
| 712 | .minimum = 0, |
| 713 | .maximum = 1, |
| 714 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 715 | },{ |
| 716 | .id = V4L2_CID_PRIVATE_COMBFILTER, |
| 717 | .name = "combfilter", |
| 718 | .minimum = 0, |
| 719 | .maximum = 1, |
| 720 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 721 | },{ |
| 722 | .id = V4L2_CID_PRIVATE_AUTOMUTE, |
| 723 | .name = "automute", |
| 724 | .minimum = 0, |
| 725 | .maximum = 1, |
| 726 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 727 | },{ |
| 728 | .id = V4L2_CID_PRIVATE_LUMAFILTER, |
| 729 | .name = "luma decimation filter", |
| 730 | .minimum = 0, |
| 731 | .maximum = 1, |
| 732 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 733 | },{ |
| 734 | .id = V4L2_CID_PRIVATE_AGC_CRUSH, |
| 735 | .name = "agc crush", |
| 736 | .minimum = 0, |
| 737 | .maximum = 1, |
| 738 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 739 | },{ |
| 740 | .id = V4L2_CID_PRIVATE_VCR_HACK, |
| 741 | .name = "vcr hack", |
| 742 | .minimum = 0, |
| 743 | .maximum = 1, |
| 744 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 745 | },{ |
| 746 | .id = V4L2_CID_PRIVATE_WHITECRUSH_UPPER, |
| 747 | .name = "whitecrush upper", |
| 748 | .minimum = 0, |
| 749 | .maximum = 255, |
| 750 | .step = 1, |
| 751 | .default_value = 0xCF, |
| 752 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 753 | },{ |
| 754 | .id = V4L2_CID_PRIVATE_WHITECRUSH_LOWER, |
| 755 | .name = "whitecrush lower", |
| 756 | .minimum = 0, |
| 757 | .maximum = 255, |
| 758 | .step = 1, |
| 759 | .default_value = 0x7F, |
| 760 | .type = V4L2_CTRL_TYPE_INTEGER, |
Mauro Carvalho Chehab | 060d302 | 2005-06-28 20:45:25 -0700 | [diff] [blame] | 761 | },{ |
| 762 | .id = V4L2_CID_PRIVATE_UV_RATIO, |
| 763 | .name = "uv ratio", |
| 764 | .minimum = 0, |
| 765 | .maximum = 100, |
| 766 | .step = 1, |
| 767 | .default_value = 50, |
| 768 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 769 | },{ |
| 770 | .id = V4L2_CID_PRIVATE_FULL_LUMA_RANGE, |
| 771 | .name = "full luma range", |
| 772 | .minimum = 0, |
| 773 | .maximum = 1, |
| 774 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 775 | },{ |
| 776 | .id = V4L2_CID_PRIVATE_CORING, |
| 777 | .name = "coring", |
| 778 | .minimum = 0, |
| 779 | .maximum = 3, |
| 780 | .step = 1, |
| 781 | .default_value = 0, |
| 782 | .type = V4L2_CTRL_TYPE_INTEGER, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 783 | } |
| 784 | |
Mauro Carvalho Chehab | 060d302 | 2005-06-28 20:45:25 -0700 | [diff] [blame] | 785 | |
| 786 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 787 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 788 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 789 | static const struct v4l2_queryctrl *ctrl_by_id(int id) |
| 790 | { |
| 791 | int i; |
| 792 | |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 793 | for (i = 0; i < ARRAY_SIZE(bttv_ctls); i++) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 794 | if (bttv_ctls[i].id == id) |
| 795 | return bttv_ctls+i; |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 796 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 797 | return NULL; |
| 798 | } |
| 799 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 800 | /* ----------------------------------------------------------------------- */ |
| 801 | /* resource management */ |
| 802 | |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 803 | /* |
| 804 | RESOURCE_ allocated by freed by |
| 805 | |
| 806 | VIDEO_READ bttv_read 1) bttv_read 2) |
| 807 | |
| 808 | VIDEO_STREAM VIDIOC_STREAMON VIDIOC_STREAMOFF |
| 809 | VIDIOC_QBUF 1) bttv_release |
| 810 | VIDIOCMCAPTURE 1) |
| 811 | |
| 812 | OVERLAY VIDIOCCAPTURE on VIDIOCCAPTURE off |
| 813 | VIDIOC_OVERLAY on VIDIOC_OVERLAY off |
| 814 | 3) bttv_release |
| 815 | |
| 816 | VBI VIDIOC_STREAMON VIDIOC_STREAMOFF |
| 817 | VIDIOC_QBUF 1) bttv_release |
| 818 | bttv_read, bttv_poll 1) 4) |
| 819 | |
| 820 | 1) The resource must be allocated when we enter buffer prepare functions |
| 821 | and remain allocated while buffers are in the DMA queue. |
| 822 | 2) This is a single frame read. |
| 823 | 3) VIDIOC_S_FBUF and VIDIOC_S_FMT (OVERLAY) still work when |
| 824 | RESOURCE_OVERLAY is allocated. |
| 825 | 4) This is a continuous read, implies VIDIOC_STREAMON. |
| 826 | |
| 827 | Note this driver permits video input and standard changes regardless if |
| 828 | resources are allocated. |
| 829 | */ |
| 830 | |
| 831 | #define VBI_RESOURCES (RESOURCE_VBI) |
| 832 | #define VIDEO_RESOURCES (RESOURCE_VIDEO_READ | \ |
| 833 | RESOURCE_VIDEO_STREAM | \ |
| 834 | RESOURCE_OVERLAY) |
| 835 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 836 | static |
| 837 | int check_alloc_btres(struct bttv *btv, struct bttv_fh *fh, int bit) |
| 838 | { |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 839 | int xbits; /* mutual exclusive resources */ |
| 840 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 841 | if (fh->resources & bit) |
| 842 | /* have it already allocated */ |
| 843 | return 1; |
| 844 | |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 845 | xbits = bit; |
| 846 | if (bit & (RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM)) |
| 847 | xbits |= RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM; |
| 848 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 849 | /* is it free? */ |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 850 | mutex_lock(&btv->lock); |
| 851 | if (btv->resources & xbits) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 852 | /* no, someone else uses it */ |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 853 | goto fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 854 | } |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 855 | |
| 856 | if ((bit & VIDEO_RESOURCES) |
| 857 | && 0 == (btv->resources & VIDEO_RESOURCES)) { |
| 858 | /* Do crop - use current, don't - use default parameters. */ |
| 859 | __s32 top = btv->crop[!!fh->do_crop].rect.top; |
| 860 | |
| 861 | if (btv->vbi_end > top) |
| 862 | goto fail; |
| 863 | |
| 864 | /* We cannot capture the same line as video and VBI data. |
| 865 | Claim scan lines crop[].rect.top to bottom. */ |
| 866 | btv->crop_start = top; |
| 867 | } else if (bit & VBI_RESOURCES) { |
| 868 | __s32 end = fh->vbi_fmt.end; |
| 869 | |
| 870 | if (end > btv->crop_start) |
| 871 | goto fail; |
| 872 | |
| 873 | /* Claim scan lines above fh->vbi_fmt.end. */ |
| 874 | btv->vbi_end = end; |
| 875 | } |
| 876 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 877 | /* it's free, grab it */ |
| 878 | fh->resources |= bit; |
| 879 | btv->resources |= bit; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 880 | mutex_unlock(&btv->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 881 | return 1; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 882 | |
| 883 | fail: |
| 884 | mutex_unlock(&btv->lock); |
| 885 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 886 | } |
| 887 | |
| 888 | static |
| 889 | int check_btres(struct bttv_fh *fh, int bit) |
| 890 | { |
| 891 | return (fh->resources & bit); |
| 892 | } |
| 893 | |
| 894 | static |
| 895 | int locked_btres(struct bttv *btv, int bit) |
| 896 | { |
| 897 | return (btv->resources & bit); |
| 898 | } |
| 899 | |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 900 | /* Call with btv->lock down. */ |
| 901 | static void |
| 902 | disclaim_vbi_lines(struct bttv *btv) |
| 903 | { |
| 904 | btv->vbi_end = 0; |
| 905 | } |
| 906 | |
| 907 | /* Call with btv->lock down. */ |
| 908 | static void |
| 909 | disclaim_video_lines(struct bttv *btv) |
| 910 | { |
| 911 | const struct bttv_tvnorm *tvnorm; |
| 912 | u8 crop; |
| 913 | |
| 914 | tvnorm = &bttv_tvnorms[btv->tvnorm]; |
| 915 | btv->crop_start = tvnorm->cropcap.bounds.top |
| 916 | + tvnorm->cropcap.bounds.height; |
| 917 | |
| 918 | /* VBI capturing ends at VDELAY, start of video capturing, no |
| 919 | matter how many lines the VBI RISC program expects. When video |
| 920 | capturing is off, it shall no longer "preempt" VBI capturing, |
| 921 | so we set VDELAY to maximum. */ |
| 922 | crop = btread(BT848_E_CROP) | 0xc0; |
| 923 | btwrite(crop, BT848_E_CROP); |
| 924 | btwrite(0xfe, BT848_E_VDELAY_LO); |
| 925 | btwrite(crop, BT848_O_CROP); |
| 926 | btwrite(0xfe, BT848_O_VDELAY_LO); |
| 927 | } |
| 928 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 929 | static |
| 930 | void free_btres(struct bttv *btv, struct bttv_fh *fh, int bits) |
| 931 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 932 | if ((fh->resources & bits) != bits) { |
| 933 | /* trying to free ressources not allocated by us ... */ |
| 934 | printk("bttv: BUG! (btres)\n"); |
| 935 | } |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 936 | mutex_lock(&btv->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 937 | fh->resources &= ~bits; |
| 938 | btv->resources &= ~bits; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 939 | |
| 940 | bits = btv->resources; |
| 941 | |
| 942 | if (0 == (bits & VIDEO_RESOURCES)) |
| 943 | disclaim_video_lines(btv); |
| 944 | |
| 945 | if (0 == (bits & VBI_RESOURCES)) |
| 946 | disclaim_vbi_lines(btv); |
| 947 | |
| 948 | mutex_unlock(&btv->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 949 | } |
| 950 | |
| 951 | /* ----------------------------------------------------------------------- */ |
| 952 | /* If Bt848a or Bt849, use PLL for PAL/SECAM and crystal for NTSC */ |
| 953 | |
| 954 | /* Frequency = (F_input / PLL_X) * PLL_I.PLL_F/PLL_C |
| 955 | PLL_X = Reference pre-divider (0=1, 1=2) |
| 956 | PLL_C = Post divider (0=6, 1=4) |
| 957 | PLL_I = Integer input |
| 958 | PLL_F = Fractional input |
| 959 | |
| 960 | F_input = 28.636363 MHz: |
| 961 | PAL (CLKx2 = 35.46895 MHz): PLL_X = 1, PLL_I = 0x0E, PLL_F = 0xDCF9, PLL_C = 0 |
| 962 | */ |
| 963 | |
| 964 | static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout) |
| 965 | { |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 966 | unsigned char fl, fh, fi; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 968 | /* prevent overflows */ |
| 969 | fin/=4; |
| 970 | fout/=4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 971 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 972 | fout*=12; |
| 973 | fi=fout/fin; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 974 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 975 | fout=(fout%fin)*256; |
| 976 | fh=fout/fin; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 977 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 978 | fout=(fout%fin)*256; |
| 979 | fl=fout/fin; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 980 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 981 | btwrite(fl, BT848_PLL_F_LO); |
| 982 | btwrite(fh, BT848_PLL_F_HI); |
| 983 | btwrite(fi|BT848_PLL_X, BT848_PLL_XCI); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 984 | } |
| 985 | |
| 986 | static void set_pll(struct bttv *btv) |
| 987 | { |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 988 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 989 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 990 | if (!btv->pll.pll_crystal) |
| 991 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 992 | |
| 993 | if (btv->pll.pll_ofreq == btv->pll.pll_current) { |
| 994 | dprintk("bttv%d: PLL: no change required\n",btv->c.nr); |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 995 | return; |
| 996 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 997 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 998 | if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) { |
| 999 | /* no PLL needed */ |
| 1000 | if (btv->pll.pll_current == 0) |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 1001 | return; |
Bernd Petrovitsch | e1e70a2 | 2005-09-22 21:43:53 -0700 | [diff] [blame] | 1002 | bttv_printk(KERN_INFO "bttv%d: PLL can sleep, using XTAL (%d).\n", |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 1003 | btv->c.nr,btv->pll.pll_ifreq); |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 1004 | btwrite(0x00,BT848_TGCTRL); |
| 1005 | btwrite(0x00,BT848_PLL_XCI); |
| 1006 | btv->pll.pll_current = 0; |
| 1007 | return; |
| 1008 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1009 | |
Bernd Petrovitsch | e1e70a2 | 2005-09-22 21:43:53 -0700 | [diff] [blame] | 1010 | bttv_printk(KERN_INFO "bttv%d: PLL: %d => %d ",btv->c.nr, |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 1011 | btv->pll.pll_ifreq, btv->pll.pll_ofreq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1012 | set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq); |
| 1013 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 1014 | for (i=0; i<10; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1015 | /* Let other people run while the PLL stabilizes */ |
Bernd Petrovitsch | e1e70a2 | 2005-09-22 21:43:53 -0700 | [diff] [blame] | 1016 | bttv_printk("."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1017 | msleep(10); |
| 1018 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 1019 | if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1020 | btwrite(0,BT848_DSTATUS); |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 1021 | } else { |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 1022 | btwrite(0x08,BT848_TGCTRL); |
| 1023 | btv->pll.pll_current = btv->pll.pll_ofreq; |
Bernd Petrovitsch | e1e70a2 | 2005-09-22 21:43:53 -0700 | [diff] [blame] | 1024 | bttv_printk(" ok\n"); |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 1025 | return; |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 1026 | } |
| 1027 | } |
| 1028 | btv->pll.pll_current = -1; |
Bernd Petrovitsch | e1e70a2 | 2005-09-22 21:43:53 -0700 | [diff] [blame] | 1029 | bttv_printk("failed\n"); |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 1030 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1031 | } |
| 1032 | |
| 1033 | /* used to switch between the bt848's analog/digital video capture modes */ |
| 1034 | static void bt848A_set_timing(struct bttv *btv) |
| 1035 | { |
| 1036 | int i, len; |
| 1037 | int table_idx = bttv_tvnorms[btv->tvnorm].sram; |
| 1038 | int fsc = bttv_tvnorms[btv->tvnorm].Fsc; |
| 1039 | |
| 1040 | if (UNSET == bttv_tvcards[btv->c.type].muxsel[btv->input]) { |
| 1041 | dprintk("bttv%d: load digital timing table (table_idx=%d)\n", |
| 1042 | btv->c.nr,table_idx); |
| 1043 | |
| 1044 | /* timing change...reset timing generator address */ |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1045 | btwrite(0x00, BT848_TGCTRL); |
| 1046 | btwrite(0x02, BT848_TGCTRL); |
| 1047 | btwrite(0x00, BT848_TGCTRL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1048 | |
| 1049 | len=SRAM_Table[table_idx][0]; |
| 1050 | for(i = 1; i <= len; i++) |
| 1051 | btwrite(SRAM_Table[table_idx][i],BT848_TGLB); |
| 1052 | btv->pll.pll_ofreq = 27000000; |
| 1053 | |
| 1054 | set_pll(btv); |
| 1055 | btwrite(0x11, BT848_TGCTRL); |
| 1056 | btwrite(0x41, BT848_DVSIF); |
| 1057 | } else { |
| 1058 | btv->pll.pll_ofreq = fsc; |
| 1059 | set_pll(btv); |
| 1060 | btwrite(0x0, BT848_DVSIF); |
| 1061 | } |
| 1062 | } |
| 1063 | |
| 1064 | /* ----------------------------------------------------------------------- */ |
| 1065 | |
| 1066 | static void bt848_bright(struct bttv *btv, int bright) |
| 1067 | { |
| 1068 | int value; |
| 1069 | |
| 1070 | // printk("bttv: set bright: %d\n",bright); // DEBUG |
| 1071 | btv->bright = bright; |
| 1072 | |
| 1073 | /* We want -128 to 127 we get 0-65535 */ |
| 1074 | value = (bright >> 8) - 128; |
| 1075 | btwrite(value & 0xff, BT848_BRIGHT); |
| 1076 | } |
| 1077 | |
| 1078 | static void bt848_hue(struct bttv *btv, int hue) |
| 1079 | { |
| 1080 | int value; |
| 1081 | |
| 1082 | btv->hue = hue; |
| 1083 | |
| 1084 | /* -128 to 127 */ |
| 1085 | value = (hue >> 8) - 128; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1086 | btwrite(value & 0xff, BT848_HUE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1087 | } |
| 1088 | |
| 1089 | static void bt848_contrast(struct bttv *btv, int cont) |
| 1090 | { |
| 1091 | int value,hibit; |
| 1092 | |
| 1093 | btv->contrast = cont; |
| 1094 | |
| 1095 | /* 0-511 */ |
| 1096 | value = (cont >> 7); |
| 1097 | hibit = (value >> 6) & 4; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1098 | btwrite(value & 0xff, BT848_CONTRAST_LO); |
| 1099 | btaor(hibit, ~4, BT848_E_CONTROL); |
| 1100 | btaor(hibit, ~4, BT848_O_CONTROL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1101 | } |
| 1102 | |
| 1103 | static void bt848_sat(struct bttv *btv, int color) |
| 1104 | { |
| 1105 | int val_u,val_v,hibits; |
| 1106 | |
| 1107 | btv->saturation = color; |
| 1108 | |
| 1109 | /* 0-511 for the color */ |
Mauro Carvalho Chehab | 060d302 | 2005-06-28 20:45:25 -0700 | [diff] [blame] | 1110 | val_u = ((color * btv->opt_uv_ratio) / 50) >> 7; |
| 1111 | val_v = (((color * (100 - btv->opt_uv_ratio) / 50) >>7)*180L)/254; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1112 | hibits = (val_u >> 7) & 2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1113 | hibits |= (val_v >> 8) & 1; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1114 | btwrite(val_u & 0xff, BT848_SAT_U_LO); |
| 1115 | btwrite(val_v & 0xff, BT848_SAT_V_LO); |
| 1116 | btaor(hibits, ~3, BT848_E_CONTROL); |
| 1117 | btaor(hibits, ~3, BT848_O_CONTROL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1118 | } |
| 1119 | |
| 1120 | /* ----------------------------------------------------------------------- */ |
| 1121 | |
| 1122 | static int |
| 1123 | video_mux(struct bttv *btv, unsigned int input) |
| 1124 | { |
| 1125 | int mux,mask2; |
| 1126 | |
| 1127 | if (input >= bttv_tvcards[btv->c.type].video_inputs) |
| 1128 | return -EINVAL; |
| 1129 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1130 | /* needed by RemoteVideo MX */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1131 | mask2 = bttv_tvcards[btv->c.type].gpiomask2; |
| 1132 | if (mask2) |
| 1133 | gpio_inout(mask2,mask2); |
| 1134 | |
| 1135 | if (input == btv->svhs) { |
| 1136 | btor(BT848_CONTROL_COMP, BT848_E_CONTROL); |
| 1137 | btor(BT848_CONTROL_COMP, BT848_O_CONTROL); |
| 1138 | } else { |
| 1139 | btand(~BT848_CONTROL_COMP, BT848_E_CONTROL); |
| 1140 | btand(~BT848_CONTROL_COMP, BT848_O_CONTROL); |
| 1141 | } |
| 1142 | mux = bttv_tvcards[btv->c.type].muxsel[input] & 3; |
| 1143 | btaor(mux<<5, ~(3<<5), BT848_IFORM); |
| 1144 | dprintk(KERN_DEBUG "bttv%d: video mux: input=%d mux=%d\n", |
| 1145 | btv->c.nr,input,mux); |
| 1146 | |
| 1147 | /* card specific hook */ |
| 1148 | if(bttv_tvcards[btv->c.type].muxsel_hook) |
| 1149 | bttv_tvcards[btv->c.type].muxsel_hook (btv, input); |
| 1150 | return 0; |
| 1151 | } |
| 1152 | |
| 1153 | static char *audio_modes[] = { |
| 1154 | "audio: tuner", "audio: radio", "audio: extern", |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 1155 | "audio: intern", "audio: mute" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1156 | }; |
| 1157 | |
| 1158 | static int |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 1159 | audio_mux(struct bttv *btv, int input, int mute) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1160 | { |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 1161 | int gpio_val, signal; |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 1162 | struct v4l2_control ctrl; |
| 1163 | struct i2c_client *c; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1164 | |
| 1165 | gpio_inout(bttv_tvcards[btv->c.type].gpiomask, |
| 1166 | bttv_tvcards[btv->c.type].gpiomask); |
| 1167 | signal = btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC; |
| 1168 | |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 1169 | btv->mute = mute; |
| 1170 | btv->audio = input; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1171 | |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 1172 | /* automute */ |
| 1173 | mute = mute || (btv->opt_automute && !signal && !btv->radio_user); |
| 1174 | |
| 1175 | if (mute) |
| 1176 | gpio_val = bttv_tvcards[btv->c.type].gpiomute; |
| 1177 | else |
| 1178 | gpio_val = bttv_tvcards[btv->c.type].gpiomux[input]; |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 1179 | |
| 1180 | gpio_bits(bttv_tvcards[btv->c.type].gpiomask, gpio_val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1181 | if (bttv_gpio) |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 1182 | bttv_gpio_tracking(btv, audio_modes[mute ? 4 : input]); |
| 1183 | if (in_interrupt()) |
| 1184 | return 0; |
| 1185 | |
| 1186 | ctrl.id = V4L2_CID_AUDIO_MUTE; |
Hans Verkuil | 2474ed4 | 2006-03-19 12:35:57 -0300 | [diff] [blame] | 1187 | ctrl.value = btv->mute; |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 1188 | bttv_call_i2c_clients(btv, VIDIOC_S_CTRL, &ctrl); |
| 1189 | c = btv->i2c_msp34xx_client; |
Hans Verkuil | 2474ed4 | 2006-03-19 12:35:57 -0300 | [diff] [blame] | 1190 | if (c) { |
| 1191 | struct v4l2_routing route; |
| 1192 | |
| 1193 | /* Note: the inputs tuner/radio/extern/intern are translated |
| 1194 | to msp routings. This assumes common behavior for all msp3400 |
| 1195 | based TV cards. When this assumption fails, then the |
| 1196 | specific MSP routing must be added to the card table. |
| 1197 | For now this is sufficient. */ |
| 1198 | switch (input) { |
| 1199 | case TVAUDIO_INPUT_RADIO: |
Hans Verkuil | 0715172 | 2006-04-01 18:03:23 -0300 | [diff] [blame] | 1200 | route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1, |
| 1201 | MSP_DSP_IN_SCART, MSP_DSP_IN_SCART); |
Hans Verkuil | 2474ed4 | 2006-03-19 12:35:57 -0300 | [diff] [blame] | 1202 | break; |
| 1203 | case TVAUDIO_INPUT_EXTERN: |
Hans Verkuil | 0715172 | 2006-04-01 18:03:23 -0300 | [diff] [blame] | 1204 | route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1, |
| 1205 | MSP_DSP_IN_SCART, MSP_DSP_IN_SCART); |
Hans Verkuil | 2474ed4 | 2006-03-19 12:35:57 -0300 | [diff] [blame] | 1206 | break; |
| 1207 | case TVAUDIO_INPUT_INTERN: |
| 1208 | /* Yes, this is the same input as for RADIO. I doubt |
| 1209 | if this is ever used. The only board with an INTERN |
| 1210 | input is the BTTV_BOARD_AVERMEDIA98. I wonder how |
| 1211 | that was tested. My guess is that the whole INTERN |
| 1212 | input does not work. */ |
Hans Verkuil | 0715172 | 2006-04-01 18:03:23 -0300 | [diff] [blame] | 1213 | route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1, |
| 1214 | MSP_DSP_IN_SCART, MSP_DSP_IN_SCART); |
Hans Verkuil | 2474ed4 | 2006-03-19 12:35:57 -0300 | [diff] [blame] | 1215 | break; |
| 1216 | case TVAUDIO_INPUT_TUNER: |
| 1217 | default: |
Wade Berrier | 434b252 | 2007-06-25 13:02:16 -0300 | [diff] [blame] | 1218 | /* This is the only card that uses TUNER2, and afaik, |
| 1219 | is the only difference between the VOODOOTV_FM |
| 1220 | and VOODOOTV_200 */ |
| 1221 | if (btv->c.type == BTTV_BOARD_VOODOOTV_200) |
| 1222 | route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER2, \ |
| 1223 | MSP_DSP_IN_TUNER, MSP_DSP_IN_TUNER); |
| 1224 | else |
| 1225 | route.input = MSP_INPUT_DEFAULT; |
Hans Verkuil | 2474ed4 | 2006-03-19 12:35:57 -0300 | [diff] [blame] | 1226 | break; |
| 1227 | } |
| 1228 | route.output = MSP_OUTPUT_DEFAULT; |
| 1229 | c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route); |
| 1230 | } |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 1231 | c = btv->i2c_tvaudio_client; |
Hans Verkuil | 2474ed4 | 2006-03-19 12:35:57 -0300 | [diff] [blame] | 1232 | if (c) { |
| 1233 | struct v4l2_routing route; |
| 1234 | |
| 1235 | route.input = input; |
| 1236 | route.output = 0; |
| 1237 | c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route); |
| 1238 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1239 | return 0; |
| 1240 | } |
| 1241 | |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 1242 | static inline int |
| 1243 | audio_mute(struct bttv *btv, int mute) |
| 1244 | { |
| 1245 | return audio_mux(btv, btv->audio, mute); |
| 1246 | } |
| 1247 | |
| 1248 | static inline int |
| 1249 | audio_input(struct bttv *btv, int input) |
| 1250 | { |
| 1251 | return audio_mux(btv, input, btv->mute); |
| 1252 | } |
| 1253 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1254 | static void |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 1255 | bttv_crop_calc_limits(struct bttv_crop *c) |
| 1256 | { |
| 1257 | /* Scale factor min. 1:1, max. 16:1. Min. image size |
| 1258 | 48 x 32. Scaled width must be a multiple of 4. */ |
| 1259 | |
| 1260 | if (1) { |
| 1261 | /* For bug compatibility with VIDIOCGCAP and image |
| 1262 | size checks in earlier driver versions. */ |
| 1263 | c->min_scaled_width = 48; |
| 1264 | c->min_scaled_height = 32; |
| 1265 | } else { |
| 1266 | c->min_scaled_width = |
| 1267 | (max(48, c->rect.width >> 4) + 3) & ~3; |
| 1268 | c->min_scaled_height = |
| 1269 | max(32, c->rect.height >> 4); |
| 1270 | } |
| 1271 | |
| 1272 | c->max_scaled_width = c->rect.width & ~3; |
| 1273 | c->max_scaled_height = c->rect.height; |
| 1274 | } |
| 1275 | |
| 1276 | static void |
| 1277 | bttv_crop_reset(struct bttv_crop *c, int norm) |
| 1278 | { |
| 1279 | c->rect = bttv_tvnorms[norm].cropcap.defrect; |
| 1280 | bttv_crop_calc_limits(c); |
| 1281 | } |
| 1282 | |
| 1283 | /* Call with btv->lock down. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1284 | static int |
| 1285 | set_tvnorm(struct bttv *btv, unsigned int norm) |
| 1286 | { |
| 1287 | const struct bttv_tvnorm *tvnorm; |
Nickolay V. Shmyrev | 302f61a | 2007-10-26 10:53:21 -0300 | [diff] [blame] | 1288 | v4l2_std_id id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1289 | |
| 1290 | if (norm < 0 || norm >= BTTV_TVNORMS) |
| 1291 | return -EINVAL; |
| 1292 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1293 | tvnorm = &bttv_tvnorms[norm]; |
| 1294 | |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 1295 | if (btv->tvnorm < 0 || |
| 1296 | btv->tvnorm >= BTTV_TVNORMS || |
| 1297 | 0 != memcmp(&bttv_tvnorms[btv->tvnorm].cropcap, |
| 1298 | &tvnorm->cropcap, |
| 1299 | sizeof (tvnorm->cropcap))) { |
| 1300 | bttv_crop_reset(&btv->crop[0], norm); |
| 1301 | btv->crop[1] = btv->crop[0]; /* current = default */ |
| 1302 | |
| 1303 | if (0 == (btv->resources & VIDEO_RESOURCES)) { |
| 1304 | btv->crop_start = tvnorm->cropcap.bounds.top |
| 1305 | + tvnorm->cropcap.bounds.height; |
| 1306 | } |
| 1307 | } |
| 1308 | |
| 1309 | btv->tvnorm = norm; |
| 1310 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1311 | btwrite(tvnorm->adelay, BT848_ADELAY); |
| 1312 | btwrite(tvnorm->bdelay, BT848_BDELAY); |
| 1313 | btaor(tvnorm->iform,~(BT848_IFORM_NORM|BT848_IFORM_XTBOTH), |
| 1314 | BT848_IFORM); |
| 1315 | btwrite(tvnorm->vbipack, BT848_VBI_PACK_SIZE); |
| 1316 | btwrite(1, BT848_VBI_PACK_DEL); |
| 1317 | bt848A_set_timing(btv); |
| 1318 | |
| 1319 | switch (btv->c.type) { |
Mauro Carvalho Chehab | 5a25e84 | 2005-11-08 21:36:52 -0800 | [diff] [blame] | 1320 | case BTTV_BOARD_VOODOOTV_FM: |
Wade Berrier | 434b252 | 2007-06-25 13:02:16 -0300 | [diff] [blame] | 1321 | case BTTV_BOARD_VOODOOTV_200: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1322 | bttv_tda9880_setnorm(btv,norm); |
| 1323 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1324 | } |
Nickolay V. Shmyrev | 302f61a | 2007-10-26 10:53:21 -0300 | [diff] [blame] | 1325 | id = tvnorm->v4l2_id; |
| 1326 | bttv_call_i2c_clients(btv, VIDIOC_S_STD, &id); |
| 1327 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1328 | return 0; |
| 1329 | } |
| 1330 | |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 1331 | /* Call with btv->lock down. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1332 | static void |
Trent Piepho | 333408f | 2007-07-03 15:08:10 -0300 | [diff] [blame] | 1333 | set_input(struct bttv *btv, unsigned int input, unsigned int norm) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1334 | { |
| 1335 | unsigned long flags; |
| 1336 | |
| 1337 | btv->input = input; |
| 1338 | if (irq_iswitch) { |
| 1339 | spin_lock_irqsave(&btv->s_lock,flags); |
| 1340 | if (btv->curr.frame_irq) { |
| 1341 | /* active capture -> delayed input switch */ |
| 1342 | btv->new_input = input; |
| 1343 | } else { |
| 1344 | video_mux(btv,input); |
| 1345 | } |
| 1346 | spin_unlock_irqrestore(&btv->s_lock,flags); |
| 1347 | } else { |
| 1348 | video_mux(btv,input); |
| 1349 | } |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 1350 | audio_input(btv,(input == bttv_tvcards[btv->c.type].tuner ? |
| 1351 | TVAUDIO_INPUT_TUNER : TVAUDIO_INPUT_EXTERN)); |
Trent Piepho | 333408f | 2007-07-03 15:08:10 -0300 | [diff] [blame] | 1352 | set_tvnorm(btv, norm); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1353 | } |
| 1354 | |
| 1355 | static void init_irqreg(struct bttv *btv) |
| 1356 | { |
| 1357 | /* clear status */ |
| 1358 | btwrite(0xfffffUL, BT848_INT_STAT); |
| 1359 | |
| 1360 | if (bttv_tvcards[btv->c.type].no_video) { |
| 1361 | /* i2c only */ |
| 1362 | btwrite(BT848_INT_I2CDONE, |
| 1363 | BT848_INT_MASK); |
| 1364 | } else { |
| 1365 | /* full video */ |
| 1366 | btwrite((btv->triton1) | |
| 1367 | (btv->gpioirq ? BT848_INT_GPINT : 0) | |
| 1368 | BT848_INT_SCERR | |
| 1369 | (fdsr ? BT848_INT_FDSR : 0) | |
| 1370 | BT848_INT_RISCI|BT848_INT_OCERR|BT848_INT_VPRES| |
| 1371 | BT848_INT_FMTCHG|BT848_INT_HLOCK| |
| 1372 | BT848_INT_I2CDONE, |
| 1373 | BT848_INT_MASK); |
| 1374 | } |
| 1375 | } |
| 1376 | |
| 1377 | static void init_bt848(struct bttv *btv) |
| 1378 | { |
| 1379 | int val; |
| 1380 | |
| 1381 | if (bttv_tvcards[btv->c.type].no_video) { |
| 1382 | /* very basic init only */ |
| 1383 | init_irqreg(btv); |
| 1384 | return; |
| 1385 | } |
| 1386 | |
| 1387 | btwrite(0x00, BT848_CAP_CTL); |
| 1388 | btwrite(BT848_COLOR_CTL_GAMMA, BT848_COLOR_CTL); |
| 1389 | btwrite(BT848_IFORM_XTAUTO | BT848_IFORM_AUTO, BT848_IFORM); |
| 1390 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1391 | /* set planar and packed mode trigger points and */ |
| 1392 | /* set rising edge of inverted GPINTR pin as irq trigger */ |
| 1393 | btwrite(BT848_GPIO_DMA_CTL_PKTP_32| |
| 1394 | BT848_GPIO_DMA_CTL_PLTP1_16| |
| 1395 | BT848_GPIO_DMA_CTL_PLTP23_16| |
| 1396 | BT848_GPIO_DMA_CTL_GPINTC| |
| 1397 | BT848_GPIO_DMA_CTL_GPINTI, |
| 1398 | BT848_GPIO_DMA_CTL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1399 | |
| 1400 | val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1401 | btwrite(val, BT848_E_SCLOOP); |
| 1402 | btwrite(val, BT848_O_SCLOOP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1403 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1404 | btwrite(0x20, BT848_E_VSCALE_HI); |
| 1405 | btwrite(0x20, BT848_O_VSCALE_HI); |
| 1406 | btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1407 | BT848_ADC); |
| 1408 | |
| 1409 | btwrite(whitecrush_upper, BT848_WC_UP); |
| 1410 | btwrite(whitecrush_lower, BT848_WC_DOWN); |
| 1411 | |
| 1412 | if (btv->opt_lumafilter) { |
| 1413 | btwrite(0, BT848_E_CONTROL); |
| 1414 | btwrite(0, BT848_O_CONTROL); |
| 1415 | } else { |
| 1416 | btwrite(BT848_CONTROL_LDEC, BT848_E_CONTROL); |
| 1417 | btwrite(BT848_CONTROL_LDEC, BT848_O_CONTROL); |
| 1418 | } |
| 1419 | |
| 1420 | bt848_bright(btv, btv->bright); |
| 1421 | bt848_hue(btv, btv->hue); |
| 1422 | bt848_contrast(btv, btv->contrast); |
| 1423 | bt848_sat(btv, btv->saturation); |
| 1424 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1425 | /* interrupt */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1426 | init_irqreg(btv); |
| 1427 | } |
| 1428 | |
| 1429 | static void bttv_reinit_bt848(struct bttv *btv) |
| 1430 | { |
| 1431 | unsigned long flags; |
| 1432 | |
| 1433 | if (bttv_verbose) |
| 1434 | printk(KERN_INFO "bttv%d: reset, reinitialize\n",btv->c.nr); |
| 1435 | spin_lock_irqsave(&btv->s_lock,flags); |
| 1436 | btv->errors=0; |
| 1437 | bttv_set_dma(btv,0); |
| 1438 | spin_unlock_irqrestore(&btv->s_lock,flags); |
| 1439 | |
| 1440 | init_bt848(btv); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1441 | btv->pll.pll_current = -1; |
Trent Piepho | 333408f | 2007-07-03 15:08:10 -0300 | [diff] [blame] | 1442 | set_input(btv, btv->input, btv->tvnorm); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1443 | } |
| 1444 | |
Mauro Carvalho Chehab | 04a94d3 | 2007-12-27 22:23:34 -0300 | [diff] [blame] | 1445 | static int bttv_g_ctrl(struct file *file, void *priv, |
| 1446 | struct v4l2_control *c) |
| 1447 | { |
| 1448 | struct bttv_fh *fh = priv; |
| 1449 | struct bttv *btv = fh->btv; |
| 1450 | |
| 1451 | switch (c->id) { |
| 1452 | case V4L2_CID_BRIGHTNESS: |
| 1453 | c->value = btv->bright; |
| 1454 | break; |
| 1455 | case V4L2_CID_HUE: |
| 1456 | c->value = btv->hue; |
| 1457 | break; |
| 1458 | case V4L2_CID_CONTRAST: |
| 1459 | c->value = btv->contrast; |
| 1460 | break; |
| 1461 | case V4L2_CID_SATURATION: |
| 1462 | c->value = btv->saturation; |
| 1463 | break; |
| 1464 | |
| 1465 | case V4L2_CID_AUDIO_MUTE: |
| 1466 | case V4L2_CID_AUDIO_VOLUME: |
| 1467 | case V4L2_CID_AUDIO_BALANCE: |
| 1468 | case V4L2_CID_AUDIO_BASS: |
| 1469 | case V4L2_CID_AUDIO_TREBLE: |
| 1470 | bttv_call_i2c_clients(btv, VIDIOC_G_CTRL, c); |
| 1471 | break; |
| 1472 | |
| 1473 | case V4L2_CID_PRIVATE_CHROMA_AGC: |
| 1474 | c->value = btv->opt_chroma_agc; |
| 1475 | break; |
| 1476 | case V4L2_CID_PRIVATE_COMBFILTER: |
| 1477 | c->value = btv->opt_combfilter; |
| 1478 | break; |
| 1479 | case V4L2_CID_PRIVATE_LUMAFILTER: |
| 1480 | c->value = btv->opt_lumafilter; |
| 1481 | break; |
| 1482 | case V4L2_CID_PRIVATE_AUTOMUTE: |
| 1483 | c->value = btv->opt_automute; |
| 1484 | break; |
| 1485 | case V4L2_CID_PRIVATE_AGC_CRUSH: |
| 1486 | c->value = btv->opt_adc_crush; |
| 1487 | break; |
| 1488 | case V4L2_CID_PRIVATE_VCR_HACK: |
| 1489 | c->value = btv->opt_vcr_hack; |
| 1490 | break; |
| 1491 | case V4L2_CID_PRIVATE_WHITECRUSH_UPPER: |
| 1492 | c->value = btv->opt_whitecrush_upper; |
| 1493 | break; |
| 1494 | case V4L2_CID_PRIVATE_WHITECRUSH_LOWER: |
| 1495 | c->value = btv->opt_whitecrush_lower; |
| 1496 | break; |
| 1497 | case V4L2_CID_PRIVATE_UV_RATIO: |
| 1498 | c->value = btv->opt_uv_ratio; |
| 1499 | break; |
| 1500 | case V4L2_CID_PRIVATE_FULL_LUMA_RANGE: |
| 1501 | c->value = btv->opt_full_luma_range; |
| 1502 | break; |
| 1503 | case V4L2_CID_PRIVATE_CORING: |
| 1504 | c->value = btv->opt_coring; |
| 1505 | break; |
| 1506 | default: |
| 1507 | return -EINVAL; |
| 1508 | } |
| 1509 | return 0; |
| 1510 | } |
| 1511 | |
| 1512 | static int bttv_s_ctrl(struct file *file, void *f, |
| 1513 | struct v4l2_control *c) |
| 1514 | { |
| 1515 | int err; |
| 1516 | int val; |
| 1517 | struct bttv_fh *fh = f; |
| 1518 | struct bttv *btv = fh->btv; |
| 1519 | |
| 1520 | err = v4l2_prio_check(&btv->prio, &fh->prio); |
| 1521 | if (0 != err) |
| 1522 | return err; |
| 1523 | |
| 1524 | switch (c->id) { |
| 1525 | case V4L2_CID_BRIGHTNESS: |
| 1526 | bt848_bright(btv, c->value); |
| 1527 | break; |
| 1528 | case V4L2_CID_HUE: |
| 1529 | bt848_hue(btv, c->value); |
| 1530 | break; |
| 1531 | case V4L2_CID_CONTRAST: |
| 1532 | bt848_contrast(btv, c->value); |
| 1533 | break; |
| 1534 | case V4L2_CID_SATURATION: |
| 1535 | bt848_sat(btv, c->value); |
| 1536 | break; |
| 1537 | case V4L2_CID_AUDIO_MUTE: |
| 1538 | audio_mute(btv, c->value); |
| 1539 | /* fall through */ |
| 1540 | case V4L2_CID_AUDIO_VOLUME: |
| 1541 | if (btv->volume_gpio) |
| 1542 | btv->volume_gpio(btv, c->value); |
| 1543 | |
| 1544 | bttv_call_i2c_clients(btv, VIDIOC_S_CTRL, c); |
| 1545 | break; |
| 1546 | case V4L2_CID_AUDIO_BALANCE: |
| 1547 | case V4L2_CID_AUDIO_BASS: |
| 1548 | case V4L2_CID_AUDIO_TREBLE: |
| 1549 | bttv_call_i2c_clients(btv, VIDIOC_S_CTRL, c); |
| 1550 | break; |
| 1551 | |
| 1552 | case V4L2_CID_PRIVATE_CHROMA_AGC: |
| 1553 | btv->opt_chroma_agc = c->value; |
| 1554 | val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0; |
| 1555 | btwrite(val, BT848_E_SCLOOP); |
| 1556 | btwrite(val, BT848_O_SCLOOP); |
| 1557 | break; |
| 1558 | case V4L2_CID_PRIVATE_COMBFILTER: |
| 1559 | btv->opt_combfilter = c->value; |
| 1560 | break; |
| 1561 | case V4L2_CID_PRIVATE_LUMAFILTER: |
| 1562 | btv->opt_lumafilter = c->value; |
| 1563 | if (btv->opt_lumafilter) { |
| 1564 | btand(~BT848_CONTROL_LDEC, BT848_E_CONTROL); |
| 1565 | btand(~BT848_CONTROL_LDEC, BT848_O_CONTROL); |
| 1566 | } else { |
| 1567 | btor(BT848_CONTROL_LDEC, BT848_E_CONTROL); |
| 1568 | btor(BT848_CONTROL_LDEC, BT848_O_CONTROL); |
| 1569 | } |
| 1570 | break; |
| 1571 | case V4L2_CID_PRIVATE_AUTOMUTE: |
| 1572 | btv->opt_automute = c->value; |
| 1573 | break; |
| 1574 | case V4L2_CID_PRIVATE_AGC_CRUSH: |
| 1575 | btv->opt_adc_crush = c->value; |
| 1576 | btwrite(BT848_ADC_RESERVED | |
| 1577 | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0), |
| 1578 | BT848_ADC); |
| 1579 | break; |
| 1580 | case V4L2_CID_PRIVATE_VCR_HACK: |
| 1581 | btv->opt_vcr_hack = c->value; |
| 1582 | break; |
| 1583 | case V4L2_CID_PRIVATE_WHITECRUSH_UPPER: |
| 1584 | btv->opt_whitecrush_upper = c->value; |
| 1585 | btwrite(c->value, BT848_WC_UP); |
| 1586 | break; |
| 1587 | case V4L2_CID_PRIVATE_WHITECRUSH_LOWER: |
| 1588 | btv->opt_whitecrush_lower = c->value; |
| 1589 | btwrite(c->value, BT848_WC_DOWN); |
| 1590 | break; |
| 1591 | case V4L2_CID_PRIVATE_UV_RATIO: |
| 1592 | btv->opt_uv_ratio = c->value; |
| 1593 | bt848_sat(btv, btv->saturation); |
| 1594 | break; |
| 1595 | case V4L2_CID_PRIVATE_FULL_LUMA_RANGE: |
| 1596 | btv->opt_full_luma_range = c->value; |
| 1597 | btaor((c->value<<7), ~BT848_OFORM_RANGE, BT848_OFORM); |
| 1598 | break; |
| 1599 | case V4L2_CID_PRIVATE_CORING: |
| 1600 | btv->opt_coring = c->value; |
| 1601 | btaor((c->value<<5), ~BT848_OFORM_CORE32, BT848_OFORM); |
| 1602 | break; |
| 1603 | default: |
| 1604 | return -EINVAL; |
| 1605 | } |
| 1606 | return 0; |
| 1607 | } |
| 1608 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1609 | /* ----------------------------------------------------------------------- */ |
| 1610 | |
| 1611 | void bttv_gpio_tracking(struct bttv *btv, char *comment) |
| 1612 | { |
| 1613 | unsigned int outbits, data; |
| 1614 | outbits = btread(BT848_GPIO_OUT_EN); |
| 1615 | data = btread(BT848_GPIO_DATA); |
| 1616 | printk(KERN_DEBUG "bttv%d: gpio: en=%08x, out=%08x in=%08x [%s]\n", |
| 1617 | btv->c.nr,outbits,data & outbits, data & ~outbits, comment); |
| 1618 | } |
| 1619 | |
| 1620 | static void bttv_field_count(struct bttv *btv) |
| 1621 | { |
| 1622 | int need_count = 0; |
| 1623 | |
| 1624 | if (btv->users) |
| 1625 | need_count++; |
| 1626 | |
| 1627 | if (need_count) { |
| 1628 | /* start field counter */ |
| 1629 | btor(BT848_INT_VSYNC,BT848_INT_MASK); |
| 1630 | } else { |
| 1631 | /* stop field counter */ |
| 1632 | btand(~BT848_INT_VSYNC,BT848_INT_MASK); |
| 1633 | btv->field_count = 0; |
| 1634 | } |
| 1635 | } |
| 1636 | |
| 1637 | static const struct bttv_format* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1638 | format_by_fourcc(int fourcc) |
| 1639 | { |
| 1640 | unsigned int i; |
| 1641 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1642 | for (i = 0; i < FORMATS; i++) { |
| 1643 | if (-1 == formats[i].fourcc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1644 | continue; |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1645 | if (formats[i].fourcc == fourcc) |
| 1646 | return formats+i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1647 | } |
| 1648 | return NULL; |
| 1649 | } |
| 1650 | |
| 1651 | /* ----------------------------------------------------------------------- */ |
| 1652 | /* misc helpers */ |
| 1653 | |
| 1654 | static int |
| 1655 | bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh, |
| 1656 | struct bttv_buffer *new) |
| 1657 | { |
| 1658 | struct bttv_buffer *old; |
| 1659 | unsigned long flags; |
| 1660 | int retval = 0; |
| 1661 | |
| 1662 | dprintk("switch_overlay: enter [new=%p]\n",new); |
| 1663 | if (new) |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 1664 | new->vb.state = VIDEOBUF_DONE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1665 | spin_lock_irqsave(&btv->s_lock,flags); |
| 1666 | old = btv->screen; |
| 1667 | btv->screen = new; |
| 1668 | btv->loop_irq |= 1; |
| 1669 | bttv_set_dma(btv, 0x03); |
| 1670 | spin_unlock_irqrestore(&btv->s_lock,flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1671 | if (NULL != old) { |
| 1672 | dprintk("switch_overlay: old=%p state is %d\n",old,old->vb.state); |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 1673 | bttv_dma_free(&fh->cap,btv, old); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1674 | kfree(old); |
| 1675 | } |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 1676 | if (NULL == new) |
| 1677 | free_btres(btv,fh,RESOURCE_OVERLAY); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1678 | dprintk("switch_overlay: done\n"); |
| 1679 | return retval; |
| 1680 | } |
| 1681 | |
| 1682 | /* ----------------------------------------------------------------------- */ |
| 1683 | /* video4linux (1) interface */ |
| 1684 | |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 1685 | static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv, |
| 1686 | struct bttv_buffer *buf, |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1687 | const struct bttv_format *fmt, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1688 | unsigned int width, unsigned int height, |
| 1689 | enum v4l2_field field) |
| 1690 | { |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 1691 | struct bttv_fh *fh = q->priv_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1692 | int redo_dma_risc = 0; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 1693 | struct bttv_crop c; |
| 1694 | int norm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1695 | int rc; |
| 1696 | |
| 1697 | /* check settings */ |
| 1698 | if (NULL == fmt) |
| 1699 | return -EINVAL; |
| 1700 | if (fmt->btformat == BT848_COLOR_FMT_RAW) { |
| 1701 | width = RAW_BPL; |
| 1702 | height = RAW_LINES*2; |
| 1703 | if (width*height > buf->vb.bsize) |
| 1704 | return -EINVAL; |
| 1705 | buf->vb.size = buf->vb.bsize; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 1706 | |
| 1707 | /* Make sure tvnorm and vbi_end remain consistent |
| 1708 | until we're done. */ |
| 1709 | mutex_lock(&btv->lock); |
| 1710 | |
| 1711 | norm = btv->tvnorm; |
| 1712 | |
| 1713 | /* In this mode capturing always starts at defrect.top |
| 1714 | (default VDELAY), ignoring cropping parameters. */ |
| 1715 | if (btv->vbi_end > bttv_tvnorms[norm].cropcap.defrect.top) { |
| 1716 | mutex_unlock(&btv->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1717 | return -EINVAL; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 1718 | } |
| 1719 | |
| 1720 | mutex_unlock(&btv->lock); |
| 1721 | |
| 1722 | c.rect = bttv_tvnorms[norm].cropcap.defrect; |
| 1723 | } else { |
| 1724 | mutex_lock(&btv->lock); |
| 1725 | |
| 1726 | norm = btv->tvnorm; |
| 1727 | c = btv->crop[!!fh->do_crop]; |
| 1728 | |
| 1729 | mutex_unlock(&btv->lock); |
| 1730 | |
| 1731 | if (width < c.min_scaled_width || |
| 1732 | width > c.max_scaled_width || |
| 1733 | height < c.min_scaled_height) |
| 1734 | return -EINVAL; |
| 1735 | |
| 1736 | switch (field) { |
| 1737 | case V4L2_FIELD_TOP: |
| 1738 | case V4L2_FIELD_BOTTOM: |
| 1739 | case V4L2_FIELD_ALTERNATE: |
| 1740 | /* btv->crop counts frame lines. Max. scale |
| 1741 | factor is 16:1 for frames, 8:1 for fields. */ |
| 1742 | if (height * 2 > c.max_scaled_height) |
| 1743 | return -EINVAL; |
| 1744 | break; |
| 1745 | |
| 1746 | default: |
| 1747 | if (height > c.max_scaled_height) |
| 1748 | return -EINVAL; |
| 1749 | break; |
| 1750 | } |
| 1751 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1752 | buf->vb.size = (width * height * fmt->depth) >> 3; |
| 1753 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) |
| 1754 | return -EINVAL; |
| 1755 | } |
| 1756 | |
| 1757 | /* alloc + fill struct bttv_buffer (if changed) */ |
| 1758 | if (buf->vb.width != width || buf->vb.height != height || |
| 1759 | buf->vb.field != field || |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 1760 | buf->tvnorm != norm || buf->fmt != fmt || |
| 1761 | buf->crop.top != c.rect.top || |
| 1762 | buf->crop.left != c.rect.left || |
| 1763 | buf->crop.width != c.rect.width || |
| 1764 | buf->crop.height != c.rect.height) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1765 | buf->vb.width = width; |
| 1766 | buf->vb.height = height; |
| 1767 | buf->vb.field = field; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 1768 | buf->tvnorm = norm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1769 | buf->fmt = fmt; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 1770 | buf->crop = c.rect; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1771 | redo_dma_risc = 1; |
| 1772 | } |
| 1773 | |
| 1774 | /* alloc risc memory */ |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 1775 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1776 | redo_dma_risc = 1; |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 1777 | if (0 != (rc = videobuf_iolock(q,&buf->vb,&btv->fbuf))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1778 | goto fail; |
| 1779 | } |
| 1780 | |
| 1781 | if (redo_dma_risc) |
| 1782 | if (0 != (rc = bttv_buffer_risc(btv,buf))) |
| 1783 | goto fail; |
| 1784 | |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 1785 | buf->vb.state = VIDEOBUF_PREPARED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1786 | return 0; |
| 1787 | |
| 1788 | fail: |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 1789 | bttv_dma_free(q,btv,buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1790 | return rc; |
| 1791 | } |
| 1792 | |
| 1793 | static int |
| 1794 | buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) |
| 1795 | { |
| 1796 | struct bttv_fh *fh = q->priv_data; |
| 1797 | |
| 1798 | *size = fh->fmt->depth*fh->width*fh->height >> 3; |
| 1799 | if (0 == *count) |
| 1800 | *count = gbuffers; |
| 1801 | while (*size * *count > gbuffers * gbufsize) |
| 1802 | (*count)--; |
| 1803 | return 0; |
| 1804 | } |
| 1805 | |
| 1806 | static int |
| 1807 | buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, |
| 1808 | enum v4l2_field field) |
| 1809 | { |
| 1810 | struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); |
| 1811 | struct bttv_fh *fh = q->priv_data; |
| 1812 | |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 1813 | return bttv_prepare_buffer(q,fh->btv, buf, fh->fmt, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1814 | fh->width, fh->height, field); |
| 1815 | } |
| 1816 | |
| 1817 | static void |
| 1818 | buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) |
| 1819 | { |
| 1820 | struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); |
| 1821 | struct bttv_fh *fh = q->priv_data; |
| 1822 | struct bttv *btv = fh->btv; |
| 1823 | |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 1824 | buf->vb.state = VIDEOBUF_QUEUED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1825 | list_add_tail(&buf->vb.queue,&btv->capture); |
| 1826 | if (!btv->curr.frame_irq) { |
| 1827 | btv->loop_irq |= 1; |
| 1828 | bttv_set_dma(btv, 0x03); |
| 1829 | } |
| 1830 | } |
| 1831 | |
| 1832 | static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) |
| 1833 | { |
| 1834 | struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); |
| 1835 | struct bttv_fh *fh = q->priv_data; |
| 1836 | |
Michael Schimek | feaba7a | 2007-01-26 08:30:05 -0300 | [diff] [blame] | 1837 | bttv_dma_free(q,fh->btv,buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1838 | } |
| 1839 | |
| 1840 | static struct videobuf_queue_ops bttv_video_qops = { |
| 1841 | .buf_setup = buffer_setup, |
| 1842 | .buf_prepare = buffer_prepare, |
| 1843 | .buf_queue = buffer_queue, |
| 1844 | .buf_release = buffer_release, |
| 1845 | }; |
| 1846 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 1847 | static int bttv_s_std(struct file *file, void *priv, v4l2_std_id *id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1848 | { |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1849 | struct bttv_fh *fh = priv; |
| 1850 | struct bttv *btv = fh->btv; |
| 1851 | unsigned int i; |
| 1852 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1853 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1854 | err = v4l2_prio_check(&btv->prio, &fh->prio); |
| 1855 | if (0 != err) |
| 1856 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1857 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1858 | for (i = 0; i < BTTV_TVNORMS; i++) |
| 1859 | if (*id & bttv_tvnorms[i].v4l2_id) |
| 1860 | break; |
| 1861 | if (i == BTTV_TVNORMS) |
| 1862 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1863 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1864 | mutex_lock(&btv->lock); |
| 1865 | set_tvnorm(btv, i); |
| 1866 | mutex_unlock(&btv->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1867 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1868 | return 0; |
| 1869 | } |
| 1870 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 1871 | static int bttv_querystd(struct file *file, void *f, v4l2_std_id *id) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1872 | { |
| 1873 | struct bttv_fh *fh = f; |
| 1874 | struct bttv *btv = fh->btv; |
| 1875 | |
| 1876 | if (btread(BT848_DSTATUS) & BT848_DSTATUS_NUML) |
| 1877 | *id = V4L2_STD_625_50; |
| 1878 | else |
| 1879 | *id = V4L2_STD_525_60; |
| 1880 | return 0; |
| 1881 | } |
| 1882 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 1883 | static int bttv_enum_input(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1884 | struct v4l2_input *i) |
| 1885 | { |
| 1886 | struct bttv_fh *fh = priv; |
| 1887 | struct bttv *btv = fh->btv; |
| 1888 | unsigned int n; |
| 1889 | |
| 1890 | n = i->index; |
| 1891 | |
| 1892 | if (n >= bttv_tvcards[btv->c.type].video_inputs) |
| 1893 | return -EINVAL; |
| 1894 | |
| 1895 | memset(i, 0, sizeof(*i)); |
| 1896 | |
| 1897 | i->index = n; |
| 1898 | i->type = V4L2_INPUT_TYPE_CAMERA; |
| 1899 | i->audioset = 1; |
| 1900 | |
| 1901 | if (i->index == bttv_tvcards[btv->c.type].tuner) { |
| 1902 | sprintf(i->name, "Television"); |
| 1903 | i->type = V4L2_INPUT_TYPE_TUNER; |
| 1904 | i->tuner = 0; |
| 1905 | } else if (i->index == btv->svhs) { |
| 1906 | sprintf(i->name, "S-Video"); |
| 1907 | } else { |
| 1908 | sprintf(i->name, "Composite%d", i->index); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1909 | } |
| 1910 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1911 | if (i->index == btv->input) { |
| 1912 | __u32 dstatus = btread(BT848_DSTATUS); |
| 1913 | if (0 == (dstatus & BT848_DSTATUS_PRES)) |
| 1914 | i->status |= V4L2_IN_ST_NO_SIGNAL; |
| 1915 | if (0 == (dstatus & BT848_DSTATUS_HLOC)) |
| 1916 | i->status |= V4L2_IN_ST_NO_H_LOCK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1917 | } |
| 1918 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1919 | for (n = 0; n < BTTV_TVNORMS; n++) |
| 1920 | i->std |= bttv_tvnorms[n].v4l2_id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1921 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1922 | return 0; |
| 1923 | } |
Nickolay V. Shmyrev | 4b9b936 | 2006-08-25 16:53:04 -0300 | [diff] [blame] | 1924 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 1925 | static int bttv_g_input(struct file *file, void *priv, unsigned int *i) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1926 | { |
| 1927 | struct bttv_fh *fh = priv; |
| 1928 | struct bttv *btv = fh->btv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1929 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1930 | *i = btv->input; |
| 1931 | return 0; |
| 1932 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1933 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 1934 | static int bttv_s_input(struct file *file, void *priv, unsigned int i) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1935 | { |
| 1936 | struct bttv_fh *fh = priv; |
| 1937 | struct bttv *btv = fh->btv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1938 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1939 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1940 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1941 | err = v4l2_prio_check(&btv->prio, &fh->prio); |
| 1942 | if (0 != err) |
| 1943 | return err; |
| 1944 | |
| 1945 | if (i > bttv_tvcards[btv->c.type].video_inputs) |
| 1946 | return -EINVAL; |
| 1947 | |
| 1948 | mutex_lock(&btv->lock); |
| 1949 | set_input(btv, i, btv->tvnorm); |
| 1950 | mutex_unlock(&btv->lock); |
| 1951 | return 0; |
| 1952 | } |
| 1953 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 1954 | static int bttv_s_tuner(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1955 | struct v4l2_tuner *t) |
| 1956 | { |
| 1957 | struct bttv_fh *fh = priv; |
| 1958 | struct bttv *btv = fh->btv; |
| 1959 | int err; |
| 1960 | |
| 1961 | err = v4l2_prio_check(&btv->prio, &fh->prio); |
| 1962 | if (0 != err) |
| 1963 | return err; |
| 1964 | |
| 1965 | if (UNSET == bttv_tvcards[btv->c.type].tuner) |
| 1966 | return -EINVAL; |
| 1967 | |
| 1968 | if (0 != t->index) |
| 1969 | return -EINVAL; |
| 1970 | |
| 1971 | mutex_lock(&btv->lock); |
| 1972 | bttv_call_i2c_clients(btv, VIDIOC_S_TUNER, t); |
| 1973 | |
| 1974 | if (btv->audio_mode_gpio) |
| 1975 | btv->audio_mode_gpio(btv, t, 1); |
| 1976 | |
| 1977 | mutex_unlock(&btv->lock); |
| 1978 | |
| 1979 | return 0; |
| 1980 | } |
| 1981 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 1982 | static int bttv_g_frequency(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 1983 | struct v4l2_frequency *f) |
| 1984 | { |
| 1985 | struct bttv_fh *fh = priv; |
| 1986 | struct bttv *btv = fh->btv; |
| 1987 | int err; |
| 1988 | |
| 1989 | err = v4l2_prio_check(&btv->prio, &fh->prio); |
| 1990 | if (0 != err) |
| 1991 | return err; |
| 1992 | |
| 1993 | f->type = V4L2_TUNER_ANALOG_TV; |
| 1994 | f->frequency = btv->freq; |
| 1995 | |
| 1996 | return 0; |
| 1997 | } |
| 1998 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 1999 | static int bttv_s_frequency(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2000 | struct v4l2_frequency *f) |
| 2001 | { |
| 2002 | struct bttv_fh *fh = priv; |
| 2003 | struct bttv *btv = fh->btv; |
| 2004 | int err; |
| 2005 | |
| 2006 | err = v4l2_prio_check(&btv->prio, &fh->prio); |
| 2007 | if (0 != err) |
| 2008 | return err; |
| 2009 | |
| 2010 | if (unlikely(f->tuner != 0)) |
| 2011 | return -EINVAL; |
| 2012 | if (unlikely(f->type != V4L2_TUNER_ANALOG_TV)) |
| 2013 | return -EINVAL; |
| 2014 | mutex_lock(&btv->lock); |
| 2015 | btv->freq = f->frequency; |
| 2016 | bttv_call_i2c_clients(btv, VIDIOC_S_FREQUENCY, f); |
| 2017 | if (btv->has_matchbox && btv->radio_user) |
| 2018 | tea5757_set_freq(btv, btv->freq); |
| 2019 | mutex_unlock(&btv->lock); |
| 2020 | return 0; |
| 2021 | } |
| 2022 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2023 | static int bttv_log_status(struct file *file, void *f) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2024 | { |
| 2025 | struct bttv_fh *fh = f; |
| 2026 | struct bttv *btv = fh->btv; |
| 2027 | |
| 2028 | printk(KERN_INFO "bttv%d: ======== START STATUS CARD #%d ========\n", |
| 2029 | btv->c.nr, btv->c.nr); |
| 2030 | bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, NULL); |
| 2031 | printk(KERN_INFO "bttv%d: ======== END STATUS CARD #%d ========\n", |
| 2032 | btv->c.nr, btv->c.nr); |
| 2033 | return 0; |
| 2034 | } |
| 2035 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2036 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2037 | static int bttv_g_register(struct file *file, void *f, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2038 | struct v4l2_register *reg) |
| 2039 | { |
| 2040 | struct bttv_fh *fh = f; |
| 2041 | struct bttv *btv = fh->btv; |
| 2042 | |
| 2043 | if (!capable(CAP_SYS_ADMIN)) |
| 2044 | return -EPERM; |
| 2045 | |
| 2046 | if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) |
| 2047 | return -EINVAL; |
| 2048 | |
| 2049 | /* bt848 has a 12-bit register space */ |
| 2050 | reg->reg &= 0xfff; |
| 2051 | reg->val = btread(reg->reg); |
| 2052 | |
| 2053 | return 0; |
| 2054 | } |
| 2055 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2056 | static int bttv_s_register(struct file *file, void *f, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2057 | struct v4l2_register *reg) |
| 2058 | { |
| 2059 | struct bttv_fh *fh = f; |
| 2060 | struct bttv *btv = fh->btv; |
| 2061 | |
| 2062 | if (!capable(CAP_SYS_ADMIN)) |
| 2063 | return -EPERM; |
| 2064 | |
| 2065 | if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) |
| 2066 | return -EINVAL; |
| 2067 | |
| 2068 | /* bt848 has a 12-bit register space */ |
| 2069 | reg->reg &= 0xfff; |
| 2070 | btwrite(reg->val, reg->reg); |
| 2071 | |
| 2072 | return 0; |
| 2073 | } |
| 2074 | #endif |
| 2075 | |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 2076 | /* Given cropping boundaries b and the scaled width and height of a |
| 2077 | single field or frame, which must not exceed hardware limits, this |
| 2078 | function adjusts the cropping parameters c. */ |
| 2079 | static void |
| 2080 | bttv_crop_adjust (struct bttv_crop * c, |
| 2081 | const struct v4l2_rect * b, |
| 2082 | __s32 width, |
| 2083 | __s32 height, |
| 2084 | enum v4l2_field field) |
| 2085 | { |
| 2086 | __s32 frame_height = height << !V4L2_FIELD_HAS_BOTH(field); |
| 2087 | __s32 max_left; |
| 2088 | __s32 max_top; |
| 2089 | |
| 2090 | if (width < c->min_scaled_width) { |
| 2091 | /* Max. hor. scale factor 16:1. */ |
| 2092 | c->rect.width = width * 16; |
| 2093 | } else if (width > c->max_scaled_width) { |
| 2094 | /* Min. hor. scale factor 1:1. */ |
| 2095 | c->rect.width = width; |
| 2096 | |
| 2097 | max_left = b->left + b->width - width; |
| 2098 | max_left = min(max_left, (__s32) MAX_HDELAY); |
| 2099 | if (c->rect.left > max_left) |
| 2100 | c->rect.left = max_left; |
| 2101 | } |
| 2102 | |
| 2103 | if (height < c->min_scaled_height) { |
| 2104 | /* Max. vert. scale factor 16:1, single fields 8:1. */ |
| 2105 | c->rect.height = height * 16; |
| 2106 | } else if (frame_height > c->max_scaled_height) { |
| 2107 | /* Min. vert. scale factor 1:1. |
| 2108 | Top and height count field lines times two. */ |
| 2109 | c->rect.height = (frame_height + 1) & ~1; |
| 2110 | |
| 2111 | max_top = b->top + b->height - c->rect.height; |
| 2112 | if (c->rect.top > max_top) |
| 2113 | c->rect.top = max_top; |
| 2114 | } |
| 2115 | |
| 2116 | bttv_crop_calc_limits(c); |
| 2117 | } |
| 2118 | |
| 2119 | /* Returns an error if scaling to a frame or single field with the given |
| 2120 | width and height is not possible with the current cropping parameters |
| 2121 | and width aligned according to width_mask. If adjust_size is TRUE the |
| 2122 | function may adjust the width and/or height instead, rounding width |
| 2123 | to (width + width_bias) & width_mask. If adjust_crop is TRUE it may |
| 2124 | also adjust the current cropping parameters to get closer to the |
| 2125 | desired image size. */ |
| 2126 | static int |
| 2127 | limit_scaled_size (struct bttv_fh * fh, |
| 2128 | __s32 * width, |
| 2129 | __s32 * height, |
| 2130 | enum v4l2_field field, |
| 2131 | unsigned int width_mask, |
| 2132 | unsigned int width_bias, |
| 2133 | int adjust_size, |
| 2134 | int adjust_crop) |
| 2135 | { |
| 2136 | struct bttv *btv = fh->btv; |
| 2137 | const struct v4l2_rect *b; |
| 2138 | struct bttv_crop *c; |
| 2139 | __s32 min_width; |
| 2140 | __s32 min_height; |
| 2141 | __s32 max_width; |
| 2142 | __s32 max_height; |
| 2143 | int rc; |
| 2144 | |
| 2145 | BUG_ON((int) width_mask >= 0 || |
| 2146 | width_bias >= (unsigned int) -width_mask); |
| 2147 | |
| 2148 | /* Make sure tvnorm, vbi_end and the current cropping parameters |
| 2149 | remain consistent until we're done. */ |
| 2150 | mutex_lock(&btv->lock); |
| 2151 | |
| 2152 | b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds; |
| 2153 | |
| 2154 | /* Do crop - use current, don't - use default parameters. */ |
| 2155 | c = &btv->crop[!!fh->do_crop]; |
| 2156 | |
| 2157 | if (fh->do_crop |
| 2158 | && adjust_size |
| 2159 | && adjust_crop |
| 2160 | && !locked_btres(btv, VIDEO_RESOURCES)) { |
| 2161 | min_width = 48; |
| 2162 | min_height = 32; |
| 2163 | |
| 2164 | /* We cannot scale up. When the scaled image is larger |
| 2165 | than crop.rect we adjust the crop.rect as required |
| 2166 | by the V4L2 spec, hence cropcap.bounds are our limit. */ |
| 2167 | max_width = min(b->width, (__s32) MAX_HACTIVE); |
| 2168 | max_height = b->height; |
| 2169 | |
| 2170 | /* We cannot capture the same line as video and VBI data. |
| 2171 | Note btv->vbi_end is really a minimum, see |
| 2172 | bttv_vbi_try_fmt(). */ |
| 2173 | if (btv->vbi_end > b->top) { |
| 2174 | max_height -= btv->vbi_end - b->top; |
| 2175 | rc = -EBUSY; |
| 2176 | if (min_height > max_height) |
| 2177 | goto fail; |
| 2178 | } |
| 2179 | } else { |
| 2180 | rc = -EBUSY; |
| 2181 | if (btv->vbi_end > c->rect.top) |
| 2182 | goto fail; |
| 2183 | |
| 2184 | min_width = c->min_scaled_width; |
| 2185 | min_height = c->min_scaled_height; |
| 2186 | max_width = c->max_scaled_width; |
| 2187 | max_height = c->max_scaled_height; |
| 2188 | |
| 2189 | adjust_crop = 0; |
| 2190 | } |
| 2191 | |
| 2192 | min_width = (min_width - width_mask - 1) & width_mask; |
| 2193 | max_width = max_width & width_mask; |
| 2194 | |
| 2195 | /* Max. scale factor is 16:1 for frames, 8:1 for fields. */ |
| 2196 | min_height = min_height; |
| 2197 | /* Min. scale factor is 1:1. */ |
| 2198 | max_height >>= !V4L2_FIELD_HAS_BOTH(field); |
| 2199 | |
| 2200 | if (adjust_size) { |
| 2201 | *width = clamp(*width, min_width, max_width); |
| 2202 | *height = clamp(*height, min_height, max_height); |
| 2203 | |
| 2204 | /* Round after clamping to avoid overflow. */ |
| 2205 | *width = (*width + width_bias) & width_mask; |
| 2206 | |
| 2207 | if (adjust_crop) { |
| 2208 | bttv_crop_adjust(c, b, *width, *height, field); |
| 2209 | |
| 2210 | if (btv->vbi_end > c->rect.top) { |
| 2211 | /* Move the crop window out of the way. */ |
| 2212 | c->rect.top = btv->vbi_end; |
| 2213 | } |
| 2214 | } |
| 2215 | } else { |
| 2216 | rc = -EINVAL; |
| 2217 | if (*width < min_width || |
| 2218 | *height < min_height || |
| 2219 | *width > max_width || |
| 2220 | *height > max_height || |
| 2221 | 0 != (*width & ~width_mask)) |
| 2222 | goto fail; |
| 2223 | } |
| 2224 | |
| 2225 | rc = 0; /* success */ |
| 2226 | |
| 2227 | fail: |
| 2228 | mutex_unlock(&btv->lock); |
| 2229 | |
| 2230 | return rc; |
| 2231 | } |
| 2232 | |
| 2233 | /* Returns an error if the given overlay window dimensions are not |
| 2234 | possible with the current cropping parameters. If adjust_size is |
| 2235 | TRUE the function may adjust the window width and/or height |
| 2236 | instead, however it always rounds the horizontal position and |
| 2237 | width as btcx_align() does. If adjust_crop is TRUE the function |
| 2238 | may also adjust the current cropping parameters to get closer |
| 2239 | to the desired window size. */ |
| 2240 | static int |
| 2241 | verify_window (struct bttv_fh * fh, |
| 2242 | struct v4l2_window * win, |
| 2243 | int adjust_size, |
| 2244 | int adjust_crop) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2245 | { |
| 2246 | enum v4l2_field field; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 2247 | unsigned int width_mask; |
| 2248 | int rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2249 | |
| 2250 | if (win->w.width < 48 || win->w.height < 32) |
| 2251 | return -EINVAL; |
| 2252 | if (win->clipcount > 2048) |
| 2253 | return -EINVAL; |
| 2254 | |
| 2255 | field = win->field; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2256 | |
| 2257 | if (V4L2_FIELD_ANY == field) { |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 2258 | __s32 height2; |
| 2259 | |
| 2260 | height2 = fh->btv->crop[!!fh->do_crop].rect.height >> 1; |
| 2261 | field = (win->w.height > height2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2262 | ? V4L2_FIELD_INTERLACED |
| 2263 | : V4L2_FIELD_TOP; |
| 2264 | } |
| 2265 | switch (field) { |
| 2266 | case V4L2_FIELD_TOP: |
| 2267 | case V4L2_FIELD_BOTTOM: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2268 | case V4L2_FIELD_INTERLACED: |
| 2269 | break; |
| 2270 | default: |
| 2271 | return -EINVAL; |
| 2272 | } |
| 2273 | |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 2274 | /* 4-byte alignment. */ |
| 2275 | if (NULL == fh->ovfmt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2276 | return -EINVAL; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 2277 | width_mask = ~0; |
| 2278 | switch (fh->ovfmt->depth) { |
| 2279 | case 8: |
| 2280 | case 24: |
| 2281 | width_mask = ~3; |
| 2282 | break; |
| 2283 | case 16: |
| 2284 | width_mask = ~1; |
| 2285 | break; |
| 2286 | case 32: |
| 2287 | break; |
| 2288 | default: |
| 2289 | BUG(); |
| 2290 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2291 | |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 2292 | win->w.width -= win->w.left & ~width_mask; |
| 2293 | win->w.left = (win->w.left - width_mask - 1) & width_mask; |
| 2294 | |
| 2295 | rc = limit_scaled_size(fh, &win->w.width, &win->w.height, |
| 2296 | field, width_mask, |
| 2297 | /* width_bias: round down */ 0, |
| 2298 | adjust_size, adjust_crop); |
| 2299 | if (0 != rc) |
| 2300 | return rc; |
| 2301 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2302 | win->field = field; |
| 2303 | return 0; |
| 2304 | } |
| 2305 | |
| 2306 | static int setup_window(struct bttv_fh *fh, struct bttv *btv, |
| 2307 | struct v4l2_window *win, int fixup) |
| 2308 | { |
| 2309 | struct v4l2_clip *clips = NULL; |
| 2310 | int n,size,retval = 0; |
| 2311 | |
| 2312 | if (NULL == fh->ovfmt) |
| 2313 | return -EINVAL; |
| 2314 | if (!(fh->ovfmt->flags & FORMAT_FLAGS_PACKED)) |
| 2315 | return -EINVAL; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 2316 | retval = verify_window(fh, win, |
| 2317 | /* adjust_size */ fixup, |
| 2318 | /* adjust_crop */ fixup); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2319 | if (0 != retval) |
| 2320 | return retval; |
| 2321 | |
| 2322 | /* copy clips -- luckily v4l1 + v4l2 are binary |
| 2323 | compatible here ...*/ |
| 2324 | n = win->clipcount; |
| 2325 | size = sizeof(*clips)*(n+4); |
| 2326 | clips = kmalloc(size,GFP_KERNEL); |
| 2327 | if (NULL == clips) |
| 2328 | return -ENOMEM; |
| 2329 | if (n > 0) { |
| 2330 | if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) { |
| 2331 | kfree(clips); |
| 2332 | return -EFAULT; |
| 2333 | } |
| 2334 | } |
| 2335 | /* clip against screen */ |
| 2336 | if (NULL != btv->fbuf.base) |
| 2337 | n = btcx_screen_clips(btv->fbuf.fmt.width, btv->fbuf.fmt.height, |
| 2338 | &win->w, clips, n); |
| 2339 | btcx_sort_clips(clips,n); |
| 2340 | |
| 2341 | /* 4-byte alignments */ |
| 2342 | switch (fh->ovfmt->depth) { |
| 2343 | case 8: |
| 2344 | case 24: |
| 2345 | btcx_align(&win->w, clips, n, 3); |
| 2346 | break; |
| 2347 | case 16: |
| 2348 | btcx_align(&win->w, clips, n, 1); |
| 2349 | break; |
| 2350 | case 32: |
| 2351 | /* no alignment fixups needed */ |
| 2352 | break; |
| 2353 | default: |
| 2354 | BUG(); |
| 2355 | } |
| 2356 | |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 2357 | mutex_lock(&fh->cap.vb_lock); |
| 2358 | kfree(fh->ov.clips); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2359 | fh->ov.clips = clips; |
| 2360 | fh->ov.nclips = n; |
| 2361 | |
| 2362 | fh->ov.w = win->w; |
| 2363 | fh->ov.field = win->field; |
| 2364 | fh->ov.setup_ok = 1; |
| 2365 | btv->init.ov.w.width = win->w.width; |
| 2366 | btv->init.ov.w.height = win->w.height; |
| 2367 | btv->init.ov.field = win->field; |
| 2368 | |
| 2369 | /* update overlay if needed */ |
| 2370 | retval = 0; |
| 2371 | if (check_btres(fh, RESOURCE_OVERLAY)) { |
| 2372 | struct bttv_buffer *new; |
| 2373 | |
Mauro Carvalho Chehab | c1accaa | 2007-08-23 16:37:49 -0300 | [diff] [blame] | 2374 | new = videobuf_pci_alloc(sizeof(*new)); |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 2375 | new->crop = btv->crop[!!fh->do_crop].rect; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2376 | bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); |
| 2377 | retval = bttv_switch_overlay(btv,fh,new); |
| 2378 | } |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 2379 | mutex_unlock(&fh->cap.vb_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2380 | return retval; |
| 2381 | } |
| 2382 | |
| 2383 | /* ----------------------------------------------------------------------- */ |
| 2384 | |
| 2385 | static struct videobuf_queue* bttv_queue(struct bttv_fh *fh) |
| 2386 | { |
| 2387 | struct videobuf_queue* q = NULL; |
| 2388 | |
| 2389 | switch (fh->type) { |
| 2390 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| 2391 | q = &fh->cap; |
| 2392 | break; |
| 2393 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 2394 | q = &fh->vbi; |
| 2395 | break; |
| 2396 | default: |
| 2397 | BUG(); |
| 2398 | } |
| 2399 | return q; |
| 2400 | } |
| 2401 | |
| 2402 | static int bttv_resource(struct bttv_fh *fh) |
| 2403 | { |
| 2404 | int res = 0; |
| 2405 | |
| 2406 | switch (fh->type) { |
| 2407 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 2408 | res = RESOURCE_VIDEO_STREAM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2409 | break; |
| 2410 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 2411 | res = RESOURCE_VBI; |
| 2412 | break; |
| 2413 | default: |
| 2414 | BUG(); |
| 2415 | } |
| 2416 | return res; |
| 2417 | } |
| 2418 | |
| 2419 | static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type) |
| 2420 | { |
| 2421 | struct videobuf_queue *q = bttv_queue(fh); |
| 2422 | int res = bttv_resource(fh); |
| 2423 | |
| 2424 | if (check_btres(fh,res)) |
| 2425 | return -EBUSY; |
| 2426 | if (videobuf_queue_is_busy(q)) |
| 2427 | return -EBUSY; |
| 2428 | fh->type = type; |
| 2429 | return 0; |
| 2430 | } |
| 2431 | |
Michael H. Schimek | c87c948 | 2005-12-01 00:51:33 -0800 | [diff] [blame] | 2432 | static void |
| 2433 | pix_format_set_size (struct v4l2_pix_format * f, |
| 2434 | const struct bttv_format * fmt, |
| 2435 | unsigned int width, |
| 2436 | unsigned int height) |
| 2437 | { |
| 2438 | f->width = width; |
| 2439 | f->height = height; |
| 2440 | |
| 2441 | if (fmt->flags & FORMAT_FLAGS_PLANAR) { |
| 2442 | f->bytesperline = width; /* Y plane */ |
| 2443 | f->sizeimage = (width * height * fmt->depth) >> 3; |
| 2444 | } else { |
| 2445 | f->bytesperline = (width * fmt->depth) >> 3; |
| 2446 | f->sizeimage = height * f->bytesperline; |
| 2447 | } |
| 2448 | } |
| 2449 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2450 | static int bttv_g_fmt_cap(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2451 | struct v4l2_format *f) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2452 | { |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2453 | struct bttv_fh *fh = priv; |
| 2454 | |
| 2455 | pix_format_set_size(&f->fmt.pix, fh->fmt, |
| 2456 | fh->width, fh->height); |
| 2457 | f->fmt.pix.field = fh->cap.field; |
| 2458 | f->fmt.pix.pixelformat = fh->fmt->fourcc; |
| 2459 | |
| 2460 | return 0; |
| 2461 | } |
| 2462 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2463 | static int bttv_g_fmt_overlay(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2464 | struct v4l2_format *f) |
| 2465 | { |
| 2466 | struct bttv_fh *fh = priv; |
| 2467 | |
| 2468 | f->fmt.win.w = fh->ov.w; |
| 2469 | f->fmt.win.field = fh->ov.field; |
| 2470 | |
| 2471 | return 0; |
| 2472 | } |
| 2473 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2474 | static int bttv_try_fmt_cap(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2475 | struct v4l2_format *f) |
| 2476 | { |
| 2477 | const struct bttv_format *fmt; |
| 2478 | struct bttv_fh *fh = priv; |
| 2479 | struct bttv *btv = fh->btv; |
| 2480 | enum v4l2_field field; |
| 2481 | __s32 width, height; |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 2482 | int rc; |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2483 | |
| 2484 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| 2485 | if (NULL == fmt) |
| 2486 | return -EINVAL; |
| 2487 | |
| 2488 | field = f->fmt.pix.field; |
| 2489 | |
| 2490 | if (V4L2_FIELD_ANY == field) { |
| 2491 | __s32 height2; |
| 2492 | |
| 2493 | height2 = btv->crop[!!fh->do_crop].rect.height >> 1; |
| 2494 | field = (f->fmt.pix.height > height2) |
| 2495 | ? V4L2_FIELD_INTERLACED |
| 2496 | : V4L2_FIELD_BOTTOM; |
| 2497 | } |
| 2498 | |
| 2499 | if (V4L2_FIELD_SEQ_BT == field) |
| 2500 | field = V4L2_FIELD_SEQ_TB; |
| 2501 | |
| 2502 | switch (field) { |
| 2503 | case V4L2_FIELD_TOP: |
| 2504 | case V4L2_FIELD_BOTTOM: |
| 2505 | case V4L2_FIELD_ALTERNATE: |
| 2506 | case V4L2_FIELD_INTERLACED: |
| 2507 | break; |
| 2508 | case V4L2_FIELD_SEQ_TB: |
| 2509 | if (fmt->flags & FORMAT_FLAGS_PLANAR) |
| 2510 | return -EINVAL; |
| 2511 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2512 | default: |
| 2513 | return -EINVAL; |
| 2514 | } |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2515 | |
| 2516 | width = f->fmt.pix.width; |
| 2517 | height = f->fmt.pix.height; |
| 2518 | |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 2519 | rc = limit_scaled_size(fh, &width, &height, field, |
| 2520 | /* width_mask: 4 pixels */ ~3, |
| 2521 | /* width_bias: nearest */ 2, |
| 2522 | /* adjust_size */ 1, |
| 2523 | /* adjust_crop */ 0); |
| 2524 | if (0 != rc) |
| 2525 | return rc; |
| 2526 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2527 | /* update data for the application */ |
| 2528 | f->fmt.pix.field = field; |
| 2529 | pix_format_set_size(&f->fmt.pix, fmt, width, height); |
| 2530 | |
| 2531 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2532 | } |
| 2533 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2534 | static int bttv_try_fmt_overlay(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2535 | struct v4l2_format *f) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2536 | { |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2537 | struct bttv_fh *fh = priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2538 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2539 | return verify_window(fh, &f->fmt.win, |
| 2540 | /* adjust_size */ 1, |
| 2541 | /* adjust_crop */ 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2542 | } |
| 2543 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2544 | static int bttv_s_fmt_cap(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2545 | struct v4l2_format *f) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2546 | { |
| 2547 | int retval; |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2548 | const struct bttv_format *fmt; |
| 2549 | struct bttv_fh *fh = priv; |
| 2550 | struct bttv *btv = fh->btv; |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 2551 | __s32 width, height; |
| 2552 | enum v4l2_field field; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2553 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2554 | retval = bttv_switch_type(fh, f->type); |
| 2555 | if (0 != retval) |
| 2556 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2557 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2558 | retval = bttv_try_fmt_cap(file, priv, f); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2559 | if (0 != retval) |
| 2560 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2561 | |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 2562 | width = f->fmt.pix.width; |
| 2563 | height = f->fmt.pix.height; |
| 2564 | field = f->fmt.pix.field; |
| 2565 | |
| 2566 | retval = limit_scaled_size(fh, &width, &height, f->fmt.pix.field, |
| 2567 | /* width_mask: 4 pixels */ ~3, |
| 2568 | /* width_bias: nearest */ 2, |
| 2569 | /* adjust_size */ 1, |
| 2570 | /* adjust_crop */ 1); |
| 2571 | if (0 != retval) |
| 2572 | return retval; |
| 2573 | |
| 2574 | f->fmt.pix.field = field; |
| 2575 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2576 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2577 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2578 | /* update our state informations */ |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 2579 | mutex_lock(&fh->cap.vb_lock); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2580 | fh->fmt = fmt; |
| 2581 | fh->cap.field = f->fmt.pix.field; |
| 2582 | fh->cap.last = V4L2_FIELD_NONE; |
| 2583 | fh->width = f->fmt.pix.width; |
| 2584 | fh->height = f->fmt.pix.height; |
| 2585 | btv->init.fmt = fmt; |
| 2586 | btv->init.width = f->fmt.pix.width; |
| 2587 | btv->init.height = f->fmt.pix.height; |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 2588 | mutex_unlock(&fh->cap.vb_lock); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2589 | |
| 2590 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2591 | } |
| 2592 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2593 | static int bttv_s_fmt_overlay(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2594 | struct v4l2_format *f) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2595 | { |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2596 | struct bttv_fh *fh = priv; |
| 2597 | struct bttv *btv = fh->btv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2598 | |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 2599 | if (no_overlay > 0) { |
| 2600 | printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2601 | return -EINVAL; |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 2602 | } |
Michael Krufky | 5e453dc | 2006-01-09 15:32:31 -0200 | [diff] [blame] | 2603 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2604 | return setup_window(fh, btv, &f->fmt.win, 1); |
| 2605 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2606 | |
Nickolay V. Shmyrev | e84619b | 2007-10-26 11:01:08 -0300 | [diff] [blame] | 2607 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2608 | static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) |
| 2609 | { |
| 2610 | int retval; |
| 2611 | unsigned int i; |
| 2612 | struct bttv_fh *fh = priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2613 | |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 2614 | mutex_lock(&fh->cap.vb_lock); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2615 | retval = videobuf_mmap_setup(&fh->cap, gbuffers, gbufsize, |
| 2616 | V4L2_MEMORY_MMAP); |
| 2617 | if (retval < 0) { |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 2618 | mutex_unlock(&fh->cap.vb_lock); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2619 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2620 | } |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2621 | |
| 2622 | gbuffers = retval; |
| 2623 | memset(mbuf, 0, sizeof(*mbuf)); |
| 2624 | mbuf->frames = gbuffers; |
| 2625 | mbuf->size = gbuffers * gbufsize; |
| 2626 | |
| 2627 | for (i = 0; i < gbuffers; i++) |
| 2628 | mbuf->offsets[i] = i * gbufsize; |
| 2629 | |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 2630 | mutex_unlock(&fh->cap.vb_lock); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2631 | return 0; |
| 2632 | } |
Nickolay V. Shmyrev | e84619b | 2007-10-26 11:01:08 -0300 | [diff] [blame] | 2633 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2634 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2635 | static int bttv_querycap(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2636 | struct v4l2_capability *cap) |
| 2637 | { |
| 2638 | struct bttv_fh *fh = priv; |
| 2639 | struct bttv *btv = fh->btv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2640 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2641 | if (0 == v4l2) |
| 2642 | return -EINVAL; |
Mauro Carvalho Chehab | 4dcef52 | 2005-08-04 12:53:30 -0700 | [diff] [blame] | 2643 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2644 | strlcpy(cap->driver, "bttv", sizeof(cap->driver)); |
| 2645 | strlcpy(cap->card, btv->video_dev->name, sizeof(cap->card)); |
| 2646 | snprintf(cap->bus_info, sizeof(cap->bus_info), |
| 2647 | "PCI:%s", pci_name(btv->c.pci)); |
| 2648 | cap->version = BTTV_VERSION_CODE; |
| 2649 | cap->capabilities = |
| 2650 | V4L2_CAP_VIDEO_CAPTURE | |
| 2651 | V4L2_CAP_VBI_CAPTURE | |
| 2652 | V4L2_CAP_READWRITE | |
| 2653 | V4L2_CAP_STREAMING; |
| 2654 | if (no_overlay <= 0) |
| 2655 | cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2656 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2657 | if (bttv_tvcards[btv->c.type].tuner != UNSET && |
| 2658 | bttv_tvcards[btv->c.type].tuner != TUNER_ABSENT) |
| 2659 | cap->capabilities |= V4L2_CAP_TUNER; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2660 | return 0; |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2661 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2662 | |
Mauro Carvalho Chehab | 04a94d3 | 2007-12-27 22:23:34 -0300 | [diff] [blame] | 2663 | static int bttv_enum_fmt_vbi(struct file *file, void *priv, |
| 2664 | struct v4l2_fmtdesc *f) |
| 2665 | { |
| 2666 | if (0 != f->index) |
| 2667 | return -EINVAL; |
| 2668 | |
| 2669 | f->pixelformat = V4L2_PIX_FMT_GREY; |
| 2670 | strcpy(f->description, "vbi data"); |
| 2671 | |
| 2672 | return 0; |
| 2673 | } |
| 2674 | |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 2675 | static int bttv_enum_fmt_cap_ovr(struct v4l2_fmtdesc *f) |
| 2676 | { |
| 2677 | int index = -1, i; |
| 2678 | |
| 2679 | for (i = 0; i < FORMATS; i++) { |
| 2680 | if (formats[i].fourcc != -1) |
| 2681 | index++; |
| 2682 | if ((unsigned int)index == f->index) |
| 2683 | break; |
| 2684 | } |
| 2685 | if (FORMATS == i) |
| 2686 | return -EINVAL; |
| 2687 | |
| 2688 | f->pixelformat = formats[i].fourcc; |
| 2689 | strlcpy(f->description, formats[i].name, sizeof(f->description)); |
| 2690 | |
| 2691 | return i; |
| 2692 | } |
| 2693 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2694 | static int bttv_enum_fmt_cap(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2695 | struct v4l2_fmtdesc *f) |
| 2696 | { |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 2697 | int rc = bttv_enum_fmt_cap_ovr(f); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2698 | |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 2699 | if (rc < 0) |
| 2700 | return rc; |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2701 | |
| 2702 | return 0; |
| 2703 | } |
| 2704 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2705 | static int bttv_enum_fmt_overlay(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2706 | struct v4l2_fmtdesc *f) |
| 2707 | { |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 2708 | int rc; |
| 2709 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2710 | if (no_overlay > 0) { |
| 2711 | printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); |
| 2712 | return -EINVAL; |
| 2713 | } |
| 2714 | |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 2715 | rc = bttv_enum_fmt_cap_ovr(f); |
| 2716 | |
| 2717 | if (rc < 0) |
| 2718 | return rc; |
| 2719 | |
| 2720 | if (!(formats[rc].flags & FORMAT_FLAGS_PACKED)) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2721 | return -EINVAL; |
| 2722 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2723 | return 0; |
| 2724 | } |
| 2725 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2726 | static int bttv_g_fbuf(struct file *file, void *f, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2727 | struct v4l2_framebuffer *fb) |
| 2728 | { |
| 2729 | struct bttv_fh *fh = f; |
| 2730 | struct bttv *btv = fh->btv; |
| 2731 | |
| 2732 | *fb = btv->fbuf; |
| 2733 | fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; |
| 2734 | if (fh->ovfmt) |
| 2735 | fb->fmt.pixelformat = fh->ovfmt->fourcc; |
| 2736 | return 0; |
| 2737 | } |
| 2738 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2739 | static int bttv_overlay(struct file *file, void *f, unsigned int on) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2740 | { |
| 2741 | struct bttv_fh *fh = f; |
| 2742 | struct bttv *btv = fh->btv; |
| 2743 | struct bttv_buffer *new; |
| 2744 | int retval; |
| 2745 | |
| 2746 | if (on) { |
| 2747 | /* verify args */ |
| 2748 | if (NULL == btv->fbuf.base) |
| 2749 | return -EINVAL; |
| 2750 | if (!fh->ov.setup_ok) { |
| 2751 | dprintk("bttv%d: overlay: !setup_ok\n", btv->c.nr); |
| 2752 | return -EINVAL; |
| 2753 | } |
| 2754 | } |
| 2755 | |
| 2756 | if (!check_alloc_btres(btv, fh, RESOURCE_OVERLAY)) |
| 2757 | return -EBUSY; |
| 2758 | |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 2759 | mutex_lock(&fh->cap.vb_lock); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2760 | if (on) { |
| 2761 | fh->ov.tvnorm = btv->tvnorm; |
| 2762 | new = videobuf_pci_alloc(sizeof(*new)); |
| 2763 | bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); |
| 2764 | } else { |
| 2765 | new = NULL; |
| 2766 | } |
| 2767 | |
| 2768 | /* switch over */ |
| 2769 | retval = bttv_switch_overlay(btv, fh, new); |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 2770 | mutex_unlock(&fh->cap.vb_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2771 | return retval; |
| 2772 | } |
| 2773 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2774 | static int bttv_s_fbuf(struct file *file, void *f, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2775 | struct v4l2_framebuffer *fb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2776 | { |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2777 | struct bttv_fh *fh = f; |
| 2778 | struct bttv *btv = fh->btv; |
| 2779 | const struct bttv_format *fmt; |
| 2780 | int retval; |
| 2781 | |
| 2782 | if (!capable(CAP_SYS_ADMIN) && |
| 2783 | !capable(CAP_SYS_RAWIO)) |
| 2784 | return -EPERM; |
| 2785 | |
| 2786 | /* check args */ |
| 2787 | fmt = format_by_fourcc(fb->fmt.pixelformat); |
| 2788 | if (NULL == fmt) |
| 2789 | return -EINVAL; |
| 2790 | if (0 == (fmt->flags & FORMAT_FLAGS_PACKED)) |
| 2791 | return -EINVAL; |
| 2792 | |
| 2793 | retval = -EINVAL; |
| 2794 | if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) { |
| 2795 | __s32 width = fb->fmt.width; |
| 2796 | __s32 height = fb->fmt.height; |
| 2797 | |
| 2798 | retval = limit_scaled_size(fh, &width, &height, |
| 2799 | V4L2_FIELD_INTERLACED, |
| 2800 | /* width_mask */ ~3, |
| 2801 | /* width_bias */ 2, |
| 2802 | /* adjust_size */ 0, |
| 2803 | /* adjust_crop */ 0); |
| 2804 | if (0 != retval) |
| 2805 | return retval; |
| 2806 | } |
| 2807 | |
| 2808 | /* ok, accept it */ |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 2809 | mutex_lock(&fh->cap.vb_lock); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2810 | btv->fbuf.base = fb->base; |
| 2811 | btv->fbuf.fmt.width = fb->fmt.width; |
| 2812 | btv->fbuf.fmt.height = fb->fmt.height; |
| 2813 | if (0 != fb->fmt.bytesperline) |
| 2814 | btv->fbuf.fmt.bytesperline = fb->fmt.bytesperline; |
| 2815 | else |
| 2816 | btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fmt->depth/8; |
| 2817 | |
| 2818 | retval = 0; |
| 2819 | fh->ovfmt = fmt; |
| 2820 | btv->init.ovfmt = fmt; |
| 2821 | if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) { |
| 2822 | fh->ov.w.left = 0; |
| 2823 | fh->ov.w.top = 0; |
| 2824 | fh->ov.w.width = fb->fmt.width; |
| 2825 | fh->ov.w.height = fb->fmt.height; |
| 2826 | btv->init.ov.w.width = fb->fmt.width; |
| 2827 | btv->init.ov.w.height = fb->fmt.height; |
| 2828 | kfree(fh->ov.clips); |
| 2829 | fh->ov.clips = NULL; |
| 2830 | fh->ov.nclips = 0; |
| 2831 | |
| 2832 | if (check_btres(fh, RESOURCE_OVERLAY)) { |
| 2833 | struct bttv_buffer *new; |
| 2834 | |
| 2835 | new = videobuf_pci_alloc(sizeof(*new)); |
| 2836 | new->crop = btv->crop[!!fh->do_crop].rect; |
| 2837 | bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); |
| 2838 | retval = bttv_switch_overlay(btv, fh, new); |
| 2839 | } |
| 2840 | } |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 2841 | mutex_unlock(&fh->cap.vb_lock); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2842 | return retval; |
| 2843 | } |
| 2844 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2845 | static int bttv_reqbufs(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2846 | struct v4l2_requestbuffers *p) |
| 2847 | { |
| 2848 | struct bttv_fh *fh = priv; |
| 2849 | return videobuf_reqbufs(bttv_queue(fh), p); |
| 2850 | } |
| 2851 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2852 | static int bttv_querybuf(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2853 | struct v4l2_buffer *b) |
| 2854 | { |
| 2855 | struct bttv_fh *fh = priv; |
| 2856 | return videobuf_querybuf(bttv_queue(fh), b); |
| 2857 | } |
| 2858 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2859 | static int bttv_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2860 | { |
| 2861 | struct bttv_fh *fh = priv; |
| 2862 | struct bttv *btv = fh->btv; |
| 2863 | int res = bttv_resource(fh); |
| 2864 | |
| 2865 | if (!check_alloc_btres(btv, fh, res)) |
| 2866 | return -EBUSY; |
| 2867 | |
| 2868 | return videobuf_qbuf(bttv_queue(fh), b); |
| 2869 | } |
| 2870 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2871 | static int bttv_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2872 | { |
| 2873 | struct bttv_fh *fh = priv; |
| 2874 | return videobuf_dqbuf(bttv_queue(fh), b, |
| 2875 | file->f_flags & O_NONBLOCK); |
| 2876 | } |
| 2877 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2878 | static int bttv_streamon(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2879 | enum v4l2_buf_type type) |
| 2880 | { |
| 2881 | struct bttv_fh *fh = priv; |
| 2882 | struct bttv *btv = fh->btv; |
| 2883 | int res = bttv_resource(fh); |
| 2884 | |
| 2885 | if (!check_alloc_btres(btv, fh, res)) |
| 2886 | return -EBUSY; |
| 2887 | return videobuf_streamon(bttv_queue(fh)); |
| 2888 | } |
| 2889 | |
| 2890 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2891 | static int bttv_streamoff(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2892 | enum v4l2_buf_type type) |
| 2893 | { |
| 2894 | struct bttv_fh *fh = priv; |
| 2895 | struct bttv *btv = fh->btv; |
| 2896 | int retval; |
| 2897 | int res = bttv_resource(fh); |
| 2898 | |
| 2899 | |
| 2900 | retval = videobuf_streamoff(bttv_queue(fh)); |
| 2901 | if (retval < 0) |
| 2902 | return retval; |
| 2903 | free_btres(btv, fh, res); |
| 2904 | return 0; |
| 2905 | } |
| 2906 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2907 | static int bttv_queryctrl(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2908 | struct v4l2_queryctrl *c) |
| 2909 | { |
| 2910 | struct bttv_fh *fh = priv; |
| 2911 | struct bttv *btv = fh->btv; |
| 2912 | const struct v4l2_queryctrl *ctrl; |
| 2913 | |
| 2914 | if ((c->id < V4L2_CID_BASE || |
| 2915 | c->id >= V4L2_CID_LASTP1) && |
| 2916 | (c->id < V4L2_CID_PRIVATE_BASE || |
| 2917 | c->id >= V4L2_CID_PRIVATE_LASTP1)) |
| 2918 | return -EINVAL; |
| 2919 | |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 2920 | if (!btv->volume_gpio && (c->id == V4L2_CID_AUDIO_VOLUME)) |
| 2921 | *c = no_ctl; |
| 2922 | else { |
| 2923 | ctrl = ctrl_by_id(c->id); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2924 | |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 2925 | *c = (NULL != ctrl) ? *ctrl : no_ctl; |
| 2926 | } |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2927 | |
| 2928 | return 0; |
| 2929 | } |
| 2930 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2931 | static int bttv_g_parm(struct file *file, void *f, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2932 | struct v4l2_streamparm *parm) |
| 2933 | { |
| 2934 | struct bttv_fh *fh = f; |
| 2935 | struct bttv *btv = fh->btv; |
| 2936 | struct v4l2_standard s; |
| 2937 | |
| 2938 | if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 2939 | return -EINVAL; |
| 2940 | v4l2_video_std_construct(&s, bttv_tvnorms[btv->tvnorm].v4l2_id, |
| 2941 | bttv_tvnorms[btv->tvnorm].name); |
| 2942 | parm->parm.capture.timeperframe = s.frameperiod; |
| 2943 | return 0; |
| 2944 | } |
| 2945 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2946 | static int bttv_g_tuner(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2947 | struct v4l2_tuner *t) |
| 2948 | { |
| 2949 | struct bttv_fh *fh = priv; |
| 2950 | struct bttv *btv = fh->btv; |
| 2951 | |
| 2952 | if (UNSET == bttv_tvcards[btv->c.type].tuner) |
| 2953 | return -EINVAL; |
| 2954 | if (0 != t->index) |
| 2955 | return -EINVAL; |
| 2956 | |
| 2957 | mutex_lock(&btv->lock); |
| 2958 | memset(t, 0, sizeof(*t)); |
| 2959 | t->rxsubchans = V4L2_TUNER_SUB_MONO; |
| 2960 | bttv_call_i2c_clients(btv, VIDIOC_G_TUNER, t); |
| 2961 | strcpy(t->name, "Television"); |
| 2962 | t->capability = V4L2_TUNER_CAP_NORM; |
| 2963 | t->type = V4L2_TUNER_ANALOG_TV; |
| 2964 | if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC) |
| 2965 | t->signal = 0xffff; |
| 2966 | |
| 2967 | if (btv->audio_mode_gpio) |
| 2968 | btv->audio_mode_gpio(btv, t, 0); |
| 2969 | |
| 2970 | mutex_unlock(&btv->lock); |
| 2971 | return 0; |
| 2972 | } |
| 2973 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2974 | static int bttv_g_priority(struct file *file, void *f, enum v4l2_priority *p) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2975 | { |
| 2976 | struct bttv_fh *fh = f; |
| 2977 | struct bttv *btv = fh->btv; |
| 2978 | |
| 2979 | *p = v4l2_prio_max(&btv->prio); |
| 2980 | |
| 2981 | return 0; |
| 2982 | } |
| 2983 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2984 | static int bttv_s_priority(struct file *file, void *f, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2985 | enum v4l2_priority prio) |
| 2986 | { |
| 2987 | struct bttv_fh *fh = f; |
| 2988 | struct bttv *btv = fh->btv; |
| 2989 | |
| 2990 | return v4l2_prio_change(&btv->prio, &fh->prio, prio); |
| 2991 | } |
| 2992 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 2993 | static int bttv_cropcap(struct file *file, void *priv, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 2994 | struct v4l2_cropcap *cap) |
| 2995 | { |
| 2996 | struct bttv_fh *fh = priv; |
| 2997 | struct bttv *btv = fh->btv; |
| 2998 | |
| 2999 | if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && |
| 3000 | cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) |
| 3001 | return -EINVAL; |
| 3002 | |
| 3003 | *cap = bttv_tvnorms[btv->tvnorm].cropcap; |
| 3004 | |
| 3005 | return 0; |
| 3006 | } |
| 3007 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 3008 | static int bttv_g_crop(struct file *file, void *f, struct v4l2_crop *crop) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3009 | { |
| 3010 | struct bttv_fh *fh = f; |
| 3011 | struct bttv *btv = fh->btv; |
| 3012 | |
| 3013 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && |
| 3014 | crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) |
| 3015 | return -EINVAL; |
| 3016 | |
| 3017 | /* No fh->do_crop = 1; because btv->crop[1] may be |
| 3018 | inconsistent with fh->width or fh->height and apps |
| 3019 | do not expect a change here. */ |
| 3020 | |
| 3021 | crop->c = btv->crop[!!fh->do_crop].rect; |
| 3022 | |
| 3023 | return 0; |
| 3024 | } |
| 3025 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 3026 | static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3027 | { |
| 3028 | struct bttv_fh *fh = f; |
| 3029 | struct bttv *btv = fh->btv; |
| 3030 | const struct v4l2_rect *b; |
| 3031 | int retval; |
| 3032 | struct bttv_crop c; |
| 3033 | __s32 b_left; |
| 3034 | __s32 b_top; |
| 3035 | __s32 b_right; |
| 3036 | __s32 b_bottom; |
| 3037 | |
| 3038 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && |
| 3039 | crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) |
| 3040 | return -EINVAL; |
| 3041 | |
| 3042 | retval = v4l2_prio_check(&btv->prio, &fh->prio); |
| 3043 | if (0 != retval) |
| 3044 | return retval; |
| 3045 | |
| 3046 | /* Make sure tvnorm, vbi_end and the current cropping |
| 3047 | parameters remain consistent until we're done. Note |
| 3048 | read() may change vbi_end in check_alloc_btres(). */ |
| 3049 | mutex_lock(&btv->lock); |
| 3050 | |
| 3051 | retval = -EBUSY; |
| 3052 | |
| 3053 | if (locked_btres(fh->btv, VIDEO_RESOURCES)) { |
| 3054 | mutex_unlock(&btv->lock); |
| 3055 | return retval; |
| 3056 | } |
| 3057 | |
| 3058 | b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds; |
| 3059 | |
| 3060 | b_left = b->left; |
| 3061 | b_right = b_left + b->width; |
| 3062 | b_bottom = b->top + b->height; |
| 3063 | |
| 3064 | b_top = max(b->top, btv->vbi_end); |
| 3065 | if (b_top + 32 >= b_bottom) { |
| 3066 | mutex_unlock(&btv->lock); |
| 3067 | return retval; |
| 3068 | } |
| 3069 | |
| 3070 | /* Min. scaled size 48 x 32. */ |
| 3071 | c.rect.left = clamp(crop->c.left, b_left, b_right - 48); |
| 3072 | c.rect.left = min(c.rect.left, (__s32) MAX_HDELAY); |
| 3073 | |
| 3074 | c.rect.width = clamp(crop->c.width, |
| 3075 | 48, b_right - c.rect.left); |
| 3076 | |
| 3077 | c.rect.top = clamp(crop->c.top, b_top, b_bottom - 32); |
| 3078 | /* Top and height must be a multiple of two. */ |
| 3079 | c.rect.top = (c.rect.top + 1) & ~1; |
| 3080 | |
| 3081 | c.rect.height = clamp(crop->c.height, |
| 3082 | 32, b_bottom - c.rect.top); |
| 3083 | c.rect.height = (c.rect.height + 1) & ~1; |
| 3084 | |
| 3085 | bttv_crop_calc_limits(&c); |
| 3086 | |
| 3087 | btv->crop[1] = c; |
| 3088 | |
| 3089 | mutex_unlock(&btv->lock); |
| 3090 | |
| 3091 | fh->do_crop = 1; |
| 3092 | |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 3093 | mutex_lock(&fh->cap.vb_lock); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3094 | |
| 3095 | if (fh->width < c.min_scaled_width) { |
| 3096 | fh->width = c.min_scaled_width; |
| 3097 | btv->init.width = c.min_scaled_width; |
| 3098 | } else if (fh->width > c.max_scaled_width) { |
| 3099 | fh->width = c.max_scaled_width; |
| 3100 | btv->init.width = c.max_scaled_width; |
| 3101 | } |
| 3102 | |
| 3103 | if (fh->height < c.min_scaled_height) { |
| 3104 | fh->height = c.min_scaled_height; |
| 3105 | btv->init.height = c.min_scaled_height; |
| 3106 | } else if (fh->height > c.max_scaled_height) { |
| 3107 | fh->height = c.max_scaled_height; |
| 3108 | btv->init.height = c.max_scaled_height; |
| 3109 | } |
| 3110 | |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 3111 | mutex_unlock(&fh->cap.vb_lock); |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3112 | |
| 3113 | return 0; |
| 3114 | } |
| 3115 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 3116 | static int bttv_g_audio(struct file *file, void *priv, struct v4l2_audio *a) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3117 | { |
| 3118 | strcpy(a->name, "audio"); |
| 3119 | return 0; |
| 3120 | } |
| 3121 | |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 3122 | static int bttv_s_audio(struct file *file, void *priv, struct v4l2_audio *a) |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3123 | { |
| 3124 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3125 | } |
| 3126 | |
| 3127 | static ssize_t bttv_read(struct file *file, char __user *data, |
| 3128 | size_t count, loff_t *ppos) |
| 3129 | { |
| 3130 | struct bttv_fh *fh = file->private_data; |
| 3131 | int retval = 0; |
| 3132 | |
| 3133 | if (fh->btv->errors) |
| 3134 | bttv_reinit_bt848(fh->btv); |
| 3135 | dprintk("bttv%d: read count=%d type=%s\n", |
| 3136 | fh->btv->c.nr,(int)count,v4l2_type_names[fh->type]); |
| 3137 | |
| 3138 | switch (fh->type) { |
| 3139 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 3140 | if (!check_alloc_btres(fh->btv, fh, RESOURCE_VIDEO_READ)) { |
| 3141 | /* VIDEO_READ in use by another fh, |
| 3142 | or VIDEO_STREAM by any fh. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3143 | return -EBUSY; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 3144 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3145 | retval = videobuf_read_one(&fh->cap, data, count, ppos, |
| 3146 | file->f_flags & O_NONBLOCK); |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 3147 | free_btres(fh->btv, fh, RESOURCE_VIDEO_READ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3148 | break; |
| 3149 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 3150 | if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI)) |
| 3151 | return -EBUSY; |
| 3152 | retval = videobuf_read_stream(&fh->vbi, data, count, ppos, 1, |
| 3153 | file->f_flags & O_NONBLOCK); |
| 3154 | break; |
| 3155 | default: |
| 3156 | BUG(); |
| 3157 | } |
| 3158 | return retval; |
| 3159 | } |
| 3160 | |
| 3161 | static unsigned int bttv_poll(struct file *file, poll_table *wait) |
| 3162 | { |
| 3163 | struct bttv_fh *fh = file->private_data; |
| 3164 | struct bttv_buffer *buf; |
| 3165 | enum v4l2_field field; |
| 3166 | |
| 3167 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { |
| 3168 | if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI)) |
| 3169 | return POLLERR; |
| 3170 | return videobuf_poll_stream(file, &fh->vbi, wait); |
| 3171 | } |
| 3172 | |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 3173 | if (check_btres(fh,RESOURCE_VIDEO_STREAM)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3174 | /* streaming capture */ |
| 3175 | if (list_empty(&fh->cap.stream)) |
| 3176 | return POLLERR; |
| 3177 | buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream); |
| 3178 | } else { |
| 3179 | /* read() capture */ |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 3180 | mutex_lock(&fh->cap.vb_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3181 | if (NULL == fh->cap.read_buf) { |
| 3182 | /* need to capture a new frame */ |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 3183 | if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM)) |
| 3184 | goto err; |
Mauro Carvalho Chehab | c1accaa | 2007-08-23 16:37:49 -0300 | [diff] [blame] | 3185 | fh->cap.read_buf = videobuf_pci_alloc(fh->cap.msize); |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 3186 | if (NULL == fh->cap.read_buf) |
| 3187 | goto err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3188 | fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR; |
| 3189 | field = videobuf_next_field(&fh->cap); |
| 3190 | if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) { |
Nickolay V. Shmyrev | 50ab5ed | 2005-12-01 00:51:32 -0800 | [diff] [blame] | 3191 | kfree (fh->cap.read_buf); |
| 3192 | fh->cap.read_buf = NULL; |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 3193 | goto err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3194 | } |
| 3195 | fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); |
| 3196 | fh->cap.read_off = 0; |
| 3197 | } |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 3198 | mutex_unlock(&fh->cap.vb_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3199 | buf = (struct bttv_buffer*)fh->cap.read_buf; |
| 3200 | } |
| 3201 | |
| 3202 | poll_wait(file, &buf->vb.done, wait); |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 3203 | if (buf->vb.state == VIDEOBUF_DONE || |
| 3204 | buf->vb.state == VIDEOBUF_ERROR) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3205 | return POLLIN|POLLRDNORM; |
| 3206 | return 0; |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame^] | 3207 | err: |
| 3208 | mutex_unlock(&fh->cap.vb_lock); |
| 3209 | return POLLERR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3210 | } |
| 3211 | |
| 3212 | static int bttv_open(struct inode *inode, struct file *file) |
| 3213 | { |
| 3214 | int minor = iminor(inode); |
| 3215 | struct bttv *btv = NULL; |
| 3216 | struct bttv_fh *fh; |
| 3217 | enum v4l2_buf_type type = 0; |
| 3218 | unsigned int i; |
| 3219 | |
| 3220 | dprintk(KERN_DEBUG "bttv: open minor=%d\n",minor); |
| 3221 | |
| 3222 | for (i = 0; i < bttv_num; i++) { |
| 3223 | if (bttvs[i].video_dev && |
| 3224 | bttvs[i].video_dev->minor == minor) { |
| 3225 | btv = &bttvs[i]; |
| 3226 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 3227 | break; |
| 3228 | } |
| 3229 | if (bttvs[i].vbi_dev && |
| 3230 | bttvs[i].vbi_dev->minor == minor) { |
| 3231 | btv = &bttvs[i]; |
| 3232 | type = V4L2_BUF_TYPE_VBI_CAPTURE; |
| 3233 | break; |
| 3234 | } |
| 3235 | } |
| 3236 | if (NULL == btv) |
| 3237 | return -ENODEV; |
| 3238 | |
| 3239 | dprintk(KERN_DEBUG "bttv%d: open called (type=%s)\n", |
| 3240 | btv->c.nr,v4l2_type_names[type]); |
| 3241 | |
| 3242 | /* allocate per filehandle data */ |
| 3243 | fh = kmalloc(sizeof(*fh),GFP_KERNEL); |
| 3244 | if (NULL == fh) |
| 3245 | return -ENOMEM; |
| 3246 | file->private_data = fh; |
| 3247 | *fh = btv->init; |
| 3248 | fh->type = type; |
| 3249 | fh->ov.setup_ok = 0; |
| 3250 | v4l2_prio_open(&btv->prio,&fh->prio); |
| 3251 | |
Mauro Carvalho Chehab | c1accaa | 2007-08-23 16:37:49 -0300 | [diff] [blame] | 3252 | videobuf_queue_pci_init(&fh->cap, &bttv_video_qops, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3253 | btv->c.pci, &btv->s_lock, |
| 3254 | V4L2_BUF_TYPE_VIDEO_CAPTURE, |
| 3255 | V4L2_FIELD_INTERLACED, |
| 3256 | sizeof(struct bttv_buffer), |
| 3257 | fh); |
Mauro Carvalho Chehab | c1accaa | 2007-08-23 16:37:49 -0300 | [diff] [blame] | 3258 | videobuf_queue_pci_init(&fh->vbi, &bttv_vbi_qops, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3259 | btv->c.pci, &btv->s_lock, |
| 3260 | V4L2_BUF_TYPE_VBI_CAPTURE, |
| 3261 | V4L2_FIELD_SEQ_TB, |
| 3262 | sizeof(struct bttv_buffer), |
| 3263 | fh); |
Nickolay V. Shmyrev | 302f61a | 2007-10-26 10:53:21 -0300 | [diff] [blame] | 3264 | set_tvnorm(btv,btv->tvnorm); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3265 | |
| 3266 | btv->users++; |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 3267 | |
| 3268 | /* The V4L2 spec requires one global set of cropping parameters |
| 3269 | which only change on request. These are stored in btv->crop[1]. |
| 3270 | However for compatibility with V4L apps and cropping unaware |
| 3271 | V4L2 apps we now reset the cropping parameters as seen through |
| 3272 | this fh, which is to say VIDIOC_G_CROP and scaling limit checks |
| 3273 | will use btv->crop[0], the default cropping parameters for the |
| 3274 | current video standard, and VIDIOC_S_FMT will not implicitely |
| 3275 | change the cropping parameters until VIDIOC_S_CROP has been |
| 3276 | called. */ |
| 3277 | fh->do_crop = !reset_crop; /* module parameter */ |
| 3278 | |
| 3279 | /* Likewise there should be one global set of VBI capture |
| 3280 | parameters, but for compatibility with V4L apps and earlier |
| 3281 | driver versions each fh has its own parameters. */ |
| 3282 | bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm); |
| 3283 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3284 | bttv_field_count(btv); |
| 3285 | return 0; |
| 3286 | } |
| 3287 | |
| 3288 | static int bttv_release(struct inode *inode, struct file *file) |
| 3289 | { |
| 3290 | struct bttv_fh *fh = file->private_data; |
| 3291 | struct bttv *btv = fh->btv; |
| 3292 | |
| 3293 | /* turn off overlay */ |
| 3294 | if (check_btres(fh, RESOURCE_OVERLAY)) |
| 3295 | bttv_switch_overlay(btv,fh,NULL); |
| 3296 | |
| 3297 | /* stop video capture */ |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 3298 | if (check_btres(fh, RESOURCE_VIDEO_STREAM)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3299 | videobuf_streamoff(&fh->cap); |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 3300 | free_btres(btv,fh,RESOURCE_VIDEO_STREAM); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3301 | } |
| 3302 | if (fh->cap.read_buf) { |
| 3303 | buffer_release(&fh->cap,fh->cap.read_buf); |
| 3304 | kfree(fh->cap.read_buf); |
| 3305 | } |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 3306 | if (check_btres(fh, RESOURCE_VIDEO_READ)) { |
| 3307 | free_btres(btv, fh, RESOURCE_VIDEO_READ); |
| 3308 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3309 | |
| 3310 | /* stop vbi capture */ |
| 3311 | if (check_btres(fh, RESOURCE_VBI)) { |
Brandon Philips | 053fcb6 | 2007-11-13 20:11:26 -0300 | [diff] [blame] | 3312 | videobuf_stop(&fh->vbi); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3313 | free_btres(btv,fh,RESOURCE_VBI); |
| 3314 | } |
| 3315 | |
| 3316 | /* free stuff */ |
| 3317 | videobuf_mmap_free(&fh->cap); |
| 3318 | videobuf_mmap_free(&fh->vbi); |
| 3319 | v4l2_prio_close(&btv->prio,&fh->prio); |
| 3320 | file->private_data = NULL; |
| 3321 | kfree(fh); |
| 3322 | |
| 3323 | btv->users--; |
| 3324 | bttv_field_count(btv); |
| 3325 | return 0; |
| 3326 | } |
| 3327 | |
| 3328 | static int |
| 3329 | bttv_mmap(struct file *file, struct vm_area_struct *vma) |
| 3330 | { |
| 3331 | struct bttv_fh *fh = file->private_data; |
| 3332 | |
| 3333 | dprintk("bttv%d: mmap type=%s 0x%lx+%ld\n", |
| 3334 | fh->btv->c.nr, v4l2_type_names[fh->type], |
| 3335 | vma->vm_start, vma->vm_end - vma->vm_start); |
| 3336 | return videobuf_mmap_mapper(bttv_queue(fh),vma); |
| 3337 | } |
| 3338 | |
Arjan van de Ven | fa027c2 | 2007-02-12 00:55:33 -0800 | [diff] [blame] | 3339 | static const struct file_operations bttv_fops = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3340 | { |
| 3341 | .owner = THIS_MODULE, |
| 3342 | .open = bttv_open, |
| 3343 | .release = bttv_release, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3344 | .ioctl = video_ioctl2, |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 3345 | .compat_ioctl = v4l_compat_ioctl32, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3346 | .llseek = no_llseek, |
| 3347 | .read = bttv_read, |
| 3348 | .mmap = bttv_mmap, |
| 3349 | .poll = bttv_poll, |
| 3350 | }; |
| 3351 | |
| 3352 | static struct video_device bttv_video_template = |
| 3353 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3354 | .fops = &bttv_fops, |
| 3355 | .minor = -1, |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 3356 | .vidioc_querycap = bttv_querycap, |
| 3357 | .vidioc_enum_fmt_cap = bttv_enum_fmt_cap, |
| 3358 | .vidioc_g_fmt_cap = bttv_g_fmt_cap, |
| 3359 | .vidioc_try_fmt_cap = bttv_try_fmt_cap, |
| 3360 | .vidioc_s_fmt_cap = bttv_s_fmt_cap, |
| 3361 | .vidioc_enum_fmt_overlay = bttv_enum_fmt_overlay, |
| 3362 | .vidioc_g_fmt_overlay = bttv_g_fmt_overlay, |
| 3363 | .vidioc_try_fmt_overlay = bttv_try_fmt_overlay, |
| 3364 | .vidioc_s_fmt_overlay = bttv_s_fmt_overlay, |
| 3365 | .vidioc_enum_fmt_vbi = bttv_enum_fmt_vbi, |
| 3366 | .vidioc_g_fmt_vbi = bttv_g_fmt_vbi, |
| 3367 | .vidioc_try_fmt_vbi = bttv_try_fmt_vbi, |
| 3368 | .vidioc_s_fmt_vbi = bttv_s_fmt_vbi, |
| 3369 | .vidioc_g_audio = bttv_g_audio, |
| 3370 | .vidioc_s_audio = bttv_s_audio, |
| 3371 | .vidioc_cropcap = bttv_cropcap, |
| 3372 | .vidioc_reqbufs = bttv_reqbufs, |
| 3373 | .vidioc_querybuf = bttv_querybuf, |
| 3374 | .vidioc_qbuf = bttv_qbuf, |
| 3375 | .vidioc_dqbuf = bttv_dqbuf, |
| 3376 | .vidioc_s_std = bttv_s_std, |
| 3377 | .vidioc_enum_input = bttv_enum_input, |
| 3378 | .vidioc_g_input = bttv_g_input, |
| 3379 | .vidioc_s_input = bttv_s_input, |
| 3380 | .vidioc_queryctrl = bttv_queryctrl, |
| 3381 | .vidioc_g_ctrl = bttv_g_ctrl, |
| 3382 | .vidioc_s_ctrl = bttv_s_ctrl, |
| 3383 | .vidioc_streamon = bttv_streamon, |
| 3384 | .vidioc_streamoff = bttv_streamoff, |
| 3385 | .vidioc_g_tuner = bttv_g_tuner, |
| 3386 | .vidioc_s_tuner = bttv_s_tuner, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3387 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 3388 | .vidiocgmbuf = vidiocgmbuf, |
| 3389 | #endif |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 3390 | .vidioc_g_crop = bttv_g_crop, |
| 3391 | .vidioc_g_crop = bttv_g_crop, |
| 3392 | .vidioc_s_crop = bttv_s_crop, |
| 3393 | .vidioc_g_fbuf = bttv_g_fbuf, |
| 3394 | .vidioc_s_fbuf = bttv_s_fbuf, |
| 3395 | .vidioc_overlay = bttv_overlay, |
| 3396 | .vidioc_g_priority = bttv_g_priority, |
| 3397 | .vidioc_s_priority = bttv_s_priority, |
| 3398 | .vidioc_g_parm = bttv_g_parm, |
| 3399 | .vidioc_g_frequency = bttv_g_frequency, |
| 3400 | .vidioc_s_frequency = bttv_s_frequency, |
| 3401 | .vidioc_log_status = bttv_log_status, |
| 3402 | .vidioc_querystd = bttv_querystd, |
Zoltan Devai | 4384683 | 2008-01-14 13:24:38 -0300 | [diff] [blame] | 3403 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 3404 | .vidioc_g_register = bttv_g_register, |
| 3405 | .vidioc_s_register = bttv_s_register, |
Zoltan Devai | 4384683 | 2008-01-14 13:24:38 -0300 | [diff] [blame] | 3406 | #endif |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3407 | .tvnorms = BTTV_NORMS, |
| 3408 | .current_norm = V4L2_STD_PAL, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3409 | }; |
| 3410 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3411 | /* ----------------------------------------------------------------------- */ |
| 3412 | /* radio interface */ |
| 3413 | |
| 3414 | static int radio_open(struct inode *inode, struct file *file) |
| 3415 | { |
| 3416 | int minor = iminor(inode); |
| 3417 | struct bttv *btv = NULL; |
| 3418 | unsigned int i; |
| 3419 | |
| 3420 | dprintk("bttv: open minor=%d\n",minor); |
| 3421 | |
| 3422 | for (i = 0; i < bttv_num; i++) { |
| 3423 | if (bttvs[i].radio_dev->minor == minor) { |
| 3424 | btv = &bttvs[i]; |
| 3425 | break; |
| 3426 | } |
| 3427 | } |
| 3428 | if (NULL == btv) |
| 3429 | return -ENODEV; |
| 3430 | |
| 3431 | dprintk("bttv%d: open called (radio)\n",btv->c.nr); |
Ingo Molnar | bd5f0ac | 2006-01-13 14:10:24 -0200 | [diff] [blame] | 3432 | mutex_lock(&btv->lock); |
Mauro Carvalho Chehab | 24a70fd | 2005-09-09 13:03:39 -0700 | [diff] [blame] | 3433 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3434 | btv->radio_user++; |
Mauro Carvalho Chehab | 24a70fd | 2005-09-09 13:03:39 -0700 | [diff] [blame] | 3435 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3436 | file->private_data = btv; |
| 3437 | |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 3438 | bttv_call_i2c_clients(btv,AUDC_SET_RADIO,NULL); |
| 3439 | audio_input(btv,TVAUDIO_INPUT_RADIO); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3440 | |
Ingo Molnar | bd5f0ac | 2006-01-13 14:10:24 -0200 | [diff] [blame] | 3441 | mutex_unlock(&btv->lock); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 3442 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3443 | } |
| 3444 | |
| 3445 | static int radio_release(struct inode *inode, struct file *file) |
| 3446 | { |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3447 | struct bttv *btv = file->private_data; |
Mauro Carvalho Chehab | 24a70fd | 2005-09-09 13:03:39 -0700 | [diff] [blame] | 3448 | struct rds_command cmd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3449 | |
| 3450 | btv->radio_user--; |
Mauro Carvalho Chehab | 24a70fd | 2005-09-09 13:03:39 -0700 | [diff] [blame] | 3451 | |
| 3452 | bttv_call_i2c_clients(btv, RDS_CMD_CLOSE, &cmd); |
| 3453 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3454 | return 0; |
| 3455 | } |
| 3456 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3457 | static int radio_querycap(struct file *file, void *priv, |
| 3458 | struct v4l2_capability *cap) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3459 | { |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3460 | struct bttv_fh *fh = priv; |
| 3461 | struct bttv *btv = fh->btv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3462 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3463 | strcpy(cap->driver, "bttv"); |
| 3464 | strlcpy(cap->card, btv->radio_dev->name, sizeof(cap->card)); |
| 3465 | sprintf(cap->bus_info, "PCI:%s", pci_name(btv->c.pci)); |
| 3466 | cap->version = BTTV_VERSION_CODE; |
| 3467 | cap->capabilities = V4L2_CAP_TUNER; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3468 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3469 | return 0; |
| 3470 | } |
| 3471 | |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3472 | static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3473 | { |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3474 | struct bttv_fh *fh = priv; |
| 3475 | struct bttv *btv = fh->btv; |
| 3476 | |
| 3477 | if (UNSET == bttv_tvcards[btv->c.type].tuner) |
| 3478 | return -EINVAL; |
| 3479 | if (0 != t->index) |
| 3480 | return -EINVAL; |
| 3481 | mutex_lock(&btv->lock); |
| 3482 | memset(t, 0, sizeof(*t)); |
| 3483 | strcpy(t->name, "Radio"); |
| 3484 | t->type = V4L2_TUNER_RADIO; |
| 3485 | |
| 3486 | bttv_call_i2c_clients(btv, VIDIOC_G_TUNER, t); |
| 3487 | |
| 3488 | if (btv->audio_mode_gpio) |
| 3489 | btv->audio_mode_gpio(btv, t, 0); |
| 3490 | |
| 3491 | mutex_unlock(&btv->lock); |
| 3492 | |
| 3493 | return 0; |
| 3494 | } |
| 3495 | |
| 3496 | static int radio_enum_input(struct file *file, void *priv, |
| 3497 | struct v4l2_input *i) |
| 3498 | { |
| 3499 | if (i->index != 0) |
| 3500 | return -EINVAL; |
| 3501 | |
| 3502 | strcpy(i->name, "Radio"); |
| 3503 | i->type = V4L2_INPUT_TYPE_TUNER; |
| 3504 | |
| 3505 | return 0; |
| 3506 | } |
| 3507 | |
| 3508 | static int radio_g_audio(struct file *file, void *priv, |
| 3509 | struct v4l2_audio *a) |
| 3510 | { |
| 3511 | memset(a, 0, sizeof(*a)); |
| 3512 | strcpy(a->name, "Radio"); |
| 3513 | return 0; |
| 3514 | } |
| 3515 | |
| 3516 | static int radio_s_tuner(struct file *file, void *priv, |
| 3517 | struct v4l2_tuner *t) |
| 3518 | { |
| 3519 | struct bttv_fh *fh = priv; |
| 3520 | struct bttv *btv = fh->btv; |
| 3521 | |
| 3522 | if (0 != t->index) |
| 3523 | return -EINVAL; |
| 3524 | |
| 3525 | bttv_call_i2c_clients(btv, VIDIOC_G_TUNER, t); |
| 3526 | return 0; |
| 3527 | } |
| 3528 | |
| 3529 | static int radio_s_audio(struct file *file, void *priv, |
| 3530 | struct v4l2_audio *a) |
| 3531 | { |
| 3532 | return 0; |
| 3533 | } |
| 3534 | |
| 3535 | static int radio_s_input(struct file *filp, void *priv, unsigned int i) |
| 3536 | { |
| 3537 | return 0; |
| 3538 | } |
| 3539 | |
| 3540 | static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm) |
| 3541 | { |
| 3542 | return 0; |
| 3543 | } |
| 3544 | |
| 3545 | static int radio_queryctrl(struct file *file, void *priv, |
| 3546 | struct v4l2_queryctrl *c) |
| 3547 | { |
| 3548 | const struct v4l2_queryctrl *ctrl; |
| 3549 | |
| 3550 | if (c->id < V4L2_CID_BASE || |
| 3551 | c->id >= V4L2_CID_LASTP1) |
| 3552 | return -EINVAL; |
| 3553 | |
| 3554 | if (c->id == V4L2_CID_AUDIO_MUTE) { |
| 3555 | ctrl = ctrl_by_id(c->id); |
| 3556 | *c = *ctrl; |
| 3557 | } else |
| 3558 | *c = no_ctl; |
| 3559 | |
| 3560 | return 0; |
| 3561 | } |
| 3562 | |
| 3563 | static int radio_g_input(struct file *filp, void *priv, unsigned int *i) |
| 3564 | { |
| 3565 | *i = 0; |
| 3566 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3567 | } |
| 3568 | |
Mauro Carvalho Chehab | 24a70fd | 2005-09-09 13:03:39 -0700 | [diff] [blame] | 3569 | static ssize_t radio_read(struct file *file, char __user *data, |
| 3570 | size_t count, loff_t *ppos) |
| 3571 | { |
| 3572 | struct bttv *btv = file->private_data; |
| 3573 | struct rds_command cmd; |
| 3574 | cmd.block_count = count/3; |
| 3575 | cmd.buffer = data; |
| 3576 | cmd.instance = file; |
| 3577 | cmd.result = -ENODEV; |
| 3578 | |
| 3579 | bttv_call_i2c_clients(btv, RDS_CMD_READ, &cmd); |
| 3580 | |
| 3581 | return cmd.result; |
| 3582 | } |
| 3583 | |
| 3584 | static unsigned int radio_poll(struct file *file, poll_table *wait) |
| 3585 | { |
| 3586 | struct bttv *btv = file->private_data; |
| 3587 | struct rds_command cmd; |
| 3588 | cmd.instance = file; |
| 3589 | cmd.event_list = wait; |
| 3590 | cmd.result = -ENODEV; |
| 3591 | bttv_call_i2c_clients(btv, RDS_CMD_POLL, &cmd); |
| 3592 | |
| 3593 | return cmd.result; |
| 3594 | } |
| 3595 | |
Arjan van de Ven | fa027c2 | 2007-02-12 00:55:33 -0800 | [diff] [blame] | 3596 | static const struct file_operations radio_fops = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3597 | { |
| 3598 | .owner = THIS_MODULE, |
| 3599 | .open = radio_open, |
Mauro Carvalho Chehab | 24a70fd | 2005-09-09 13:03:39 -0700 | [diff] [blame] | 3600 | .read = radio_read, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3601 | .release = radio_release, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3602 | .ioctl = video_ioctl2, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3603 | .llseek = no_llseek, |
Mauro Carvalho Chehab | 24a70fd | 2005-09-09 13:03:39 -0700 | [diff] [blame] | 3604 | .poll = radio_poll, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3605 | }; |
| 3606 | |
| 3607 | static struct video_device radio_template = |
| 3608 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3609 | .fops = &radio_fops, |
| 3610 | .minor = -1, |
Douglas Schilling Landgraf | 402aa76 | 2007-12-27 22:20:58 -0300 | [diff] [blame] | 3611 | .vidioc_querycap = radio_querycap, |
| 3612 | .vidioc_g_tuner = radio_g_tuner, |
| 3613 | .vidioc_enum_input = radio_enum_input, |
| 3614 | .vidioc_g_audio = radio_g_audio, |
| 3615 | .vidioc_s_tuner = radio_s_tuner, |
| 3616 | .vidioc_s_audio = radio_s_audio, |
| 3617 | .vidioc_s_input = radio_s_input, |
| 3618 | .vidioc_s_std = radio_s_std, |
| 3619 | .vidioc_queryctrl = radio_queryctrl, |
| 3620 | .vidioc_g_input = radio_g_input, |
Mauro Carvalho Chehab | e5ae3db | 2007-12-27 22:22:59 -0300 | [diff] [blame] | 3621 | .vidioc_g_ctrl = bttv_g_ctrl, |
| 3622 | .vidioc_s_ctrl = bttv_s_ctrl, |
| 3623 | .vidioc_g_frequency = bttv_g_frequency, |
| 3624 | .vidioc_s_frequency = bttv_s_frequency, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3625 | }; |
| 3626 | |
| 3627 | /* ----------------------------------------------------------------------- */ |
| 3628 | /* some debug code */ |
| 3629 | |
Adrian Bunk | 408b664 | 2005-05-01 08:59:29 -0700 | [diff] [blame] | 3630 | static int bttv_risc_decode(u32 risc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3631 | { |
| 3632 | static char *instr[16] = { |
| 3633 | [ BT848_RISC_WRITE >> 28 ] = "write", |
| 3634 | [ BT848_RISC_SKIP >> 28 ] = "skip", |
| 3635 | [ BT848_RISC_WRITEC >> 28 ] = "writec", |
| 3636 | [ BT848_RISC_JUMP >> 28 ] = "jump", |
| 3637 | [ BT848_RISC_SYNC >> 28 ] = "sync", |
| 3638 | [ BT848_RISC_WRITE123 >> 28 ] = "write123", |
| 3639 | [ BT848_RISC_SKIP123 >> 28 ] = "skip123", |
| 3640 | [ BT848_RISC_WRITE1S23 >> 28 ] = "write1s23", |
| 3641 | }; |
| 3642 | static int incr[16] = { |
| 3643 | [ BT848_RISC_WRITE >> 28 ] = 2, |
| 3644 | [ BT848_RISC_JUMP >> 28 ] = 2, |
| 3645 | [ BT848_RISC_SYNC >> 28 ] = 2, |
| 3646 | [ BT848_RISC_WRITE123 >> 28 ] = 5, |
| 3647 | [ BT848_RISC_SKIP123 >> 28 ] = 2, |
| 3648 | [ BT848_RISC_WRITE1S23 >> 28 ] = 3, |
| 3649 | }; |
| 3650 | static char *bits[] = { |
| 3651 | "be0", "be1", "be2", "be3/resync", |
| 3652 | "set0", "set1", "set2", "set3", |
| 3653 | "clr0", "clr1", "clr2", "clr3", |
| 3654 | "irq", "res", "eol", "sol", |
| 3655 | }; |
| 3656 | int i; |
| 3657 | |
| 3658 | printk("0x%08x [ %s", risc, |
| 3659 | instr[risc >> 28] ? instr[risc >> 28] : "INVALID"); |
| 3660 | for (i = ARRAY_SIZE(bits)-1; i >= 0; i--) |
| 3661 | if (risc & (1 << (i + 12))) |
| 3662 | printk(" %s",bits[i]); |
| 3663 | printk(" count=%d ]\n", risc & 0xfff); |
| 3664 | return incr[risc >> 28] ? incr[risc >> 28] : 1; |
| 3665 | } |
| 3666 | |
Adrian Bunk | 408b664 | 2005-05-01 08:59:29 -0700 | [diff] [blame] | 3667 | static void bttv_risc_disasm(struct bttv *btv, |
| 3668 | struct btcx_riscmem *risc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3669 | { |
| 3670 | unsigned int i,j,n; |
| 3671 | |
| 3672 | printk("%s: risc disasm: %p [dma=0x%08lx]\n", |
| 3673 | btv->c.name, risc->cpu, (unsigned long)risc->dma); |
| 3674 | for (i = 0; i < (risc->size >> 2); i += n) { |
| 3675 | printk("%s: 0x%lx: ", btv->c.name, |
| 3676 | (unsigned long)(risc->dma + (i<<2))); |
| 3677 | n = bttv_risc_decode(risc->cpu[i]); |
| 3678 | for (j = 1; j < n; j++) |
| 3679 | printk("%s: 0x%lx: 0x%08x [ arg #%d ]\n", |
| 3680 | btv->c.name, (unsigned long)(risc->dma + ((i+j)<<2)), |
| 3681 | risc->cpu[i+j], j); |
| 3682 | if (0 == risc->cpu[i]) |
| 3683 | break; |
| 3684 | } |
| 3685 | } |
| 3686 | |
| 3687 | static void bttv_print_riscaddr(struct bttv *btv) |
| 3688 | { |
| 3689 | printk(" main: %08Lx\n", |
| 3690 | (unsigned long long)btv->main.dma); |
| 3691 | printk(" vbi : o=%08Lx e=%08Lx\n", |
| 3692 | btv->cvbi ? (unsigned long long)btv->cvbi->top.dma : 0, |
| 3693 | btv->cvbi ? (unsigned long long)btv->cvbi->bottom.dma : 0); |
| 3694 | printk(" cap : o=%08Lx e=%08Lx\n", |
| 3695 | btv->curr.top ? (unsigned long long)btv->curr.top->top.dma : 0, |
| 3696 | btv->curr.bottom ? (unsigned long long)btv->curr.bottom->bottom.dma : 0); |
| 3697 | printk(" scr : o=%08Lx e=%08Lx\n", |
| 3698 | btv->screen ? (unsigned long long)btv->screen->top.dma : 0, |
| 3699 | btv->screen ? (unsigned long long)btv->screen->bottom.dma : 0); |
| 3700 | bttv_risc_disasm(btv, &btv->main); |
| 3701 | } |
| 3702 | |
| 3703 | /* ----------------------------------------------------------------------- */ |
| 3704 | /* irq handler */ |
| 3705 | |
| 3706 | static char *irq_name[] = { |
| 3707 | "FMTCHG", // format change detected (525 vs. 625) |
| 3708 | "VSYNC", // vertical sync (new field) |
| 3709 | "HSYNC", // horizontal sync |
| 3710 | "OFLOW", // chroma/luma AGC overflow |
| 3711 | "HLOCK", // horizontal lock changed |
| 3712 | "VPRES", // video presence changed |
| 3713 | "6", "7", |
| 3714 | "I2CDONE", // hw irc operation finished |
| 3715 | "GPINT", // gpio port triggered irq |
| 3716 | "10", |
| 3717 | "RISCI", // risc instruction triggered irq |
| 3718 | "FBUS", // pixel data fifo dropped data (high pci bus latencies) |
| 3719 | "FTRGT", // pixel data fifo overrun |
| 3720 | "FDSR", // fifo data stream resyncronisation |
| 3721 | "PPERR", // parity error (data transfer) |
| 3722 | "RIPERR", // parity error (read risc instructions) |
| 3723 | "PABORT", // pci abort |
| 3724 | "OCERR", // risc instruction error |
| 3725 | "SCERR", // syncronisation error |
| 3726 | }; |
| 3727 | |
| 3728 | static void bttv_print_irqbits(u32 print, u32 mark) |
| 3729 | { |
| 3730 | unsigned int i; |
| 3731 | |
| 3732 | printk("bits:"); |
| 3733 | for (i = 0; i < ARRAY_SIZE(irq_name); i++) { |
| 3734 | if (print & (1 << i)) |
| 3735 | printk(" %s",irq_name[i]); |
| 3736 | if (mark & (1 << i)) |
| 3737 | printk("*"); |
| 3738 | } |
| 3739 | } |
| 3740 | |
| 3741 | static void bttv_irq_debug_low_latency(struct bttv *btv, u32 rc) |
| 3742 | { |
| 3743 | printk("bttv%d: irq: skipped frame [main=%lx,o_vbi=%lx,o_field=%lx,rc=%lx]\n", |
| 3744 | btv->c.nr, |
| 3745 | (unsigned long)btv->main.dma, |
| 3746 | (unsigned long)btv->main.cpu[RISC_SLOT_O_VBI+1], |
| 3747 | (unsigned long)btv->main.cpu[RISC_SLOT_O_FIELD+1], |
| 3748 | (unsigned long)rc); |
| 3749 | |
| 3750 | if (0 == (btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC)) { |
| 3751 | printk("bttv%d: Oh, there (temporarely?) is no input signal. " |
| 3752 | "Ok, then this is harmless, don't worry ;)\n", |
| 3753 | btv->c.nr); |
| 3754 | return; |
| 3755 | } |
| 3756 | printk("bttv%d: Uhm. Looks like we have unusual high IRQ latencies.\n", |
| 3757 | btv->c.nr); |
| 3758 | printk("bttv%d: Lets try to catch the culpit red-handed ...\n", |
| 3759 | btv->c.nr); |
| 3760 | dump_stack(); |
| 3761 | } |
| 3762 | |
| 3763 | static int |
| 3764 | bttv_irq_next_video(struct bttv *btv, struct bttv_buffer_set *set) |
| 3765 | { |
| 3766 | struct bttv_buffer *item; |
| 3767 | |
| 3768 | memset(set,0,sizeof(*set)); |
| 3769 | |
| 3770 | /* capture request ? */ |
| 3771 | if (!list_empty(&btv->capture)) { |
| 3772 | set->frame_irq = 1; |
| 3773 | item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue); |
| 3774 | if (V4L2_FIELD_HAS_TOP(item->vb.field)) |
| 3775 | set->top = item; |
| 3776 | if (V4L2_FIELD_HAS_BOTTOM(item->vb.field)) |
| 3777 | set->bottom = item; |
| 3778 | |
| 3779 | /* capture request for other field ? */ |
| 3780 | if (!V4L2_FIELD_HAS_BOTH(item->vb.field) && |
| 3781 | (item->vb.queue.next != &btv->capture)) { |
| 3782 | item = list_entry(item->vb.queue.next, struct bttv_buffer, vb.queue); |
| 3783 | if (!V4L2_FIELD_HAS_BOTH(item->vb.field)) { |
| 3784 | if (NULL == set->top && |
| 3785 | V4L2_FIELD_TOP == item->vb.field) { |
| 3786 | set->top = item; |
| 3787 | } |
| 3788 | if (NULL == set->bottom && |
| 3789 | V4L2_FIELD_BOTTOM == item->vb.field) { |
| 3790 | set->bottom = item; |
| 3791 | } |
| 3792 | if (NULL != set->top && NULL != set->bottom) |
| 3793 | set->top_irq = 2; |
| 3794 | } |
| 3795 | } |
| 3796 | } |
| 3797 | |
| 3798 | /* screen overlay ? */ |
| 3799 | if (NULL != btv->screen) { |
| 3800 | if (V4L2_FIELD_HAS_BOTH(btv->screen->vb.field)) { |
| 3801 | if (NULL == set->top && NULL == set->bottom) { |
| 3802 | set->top = btv->screen; |
| 3803 | set->bottom = btv->screen; |
| 3804 | } |
| 3805 | } else { |
| 3806 | if (V4L2_FIELD_TOP == btv->screen->vb.field && |
| 3807 | NULL == set->top) { |
| 3808 | set->top = btv->screen; |
| 3809 | } |
| 3810 | if (V4L2_FIELD_BOTTOM == btv->screen->vb.field && |
| 3811 | NULL == set->bottom) { |
| 3812 | set->bottom = btv->screen; |
| 3813 | } |
| 3814 | } |
| 3815 | } |
| 3816 | |
| 3817 | dprintk("bttv%d: next set: top=%p bottom=%p [screen=%p,irq=%d,%d]\n", |
| 3818 | btv->c.nr,set->top, set->bottom, |
| 3819 | btv->screen,set->frame_irq,set->top_irq); |
| 3820 | return 0; |
| 3821 | } |
| 3822 | |
| 3823 | static void |
| 3824 | bttv_irq_wakeup_video(struct bttv *btv, struct bttv_buffer_set *wakeup, |
| 3825 | struct bttv_buffer_set *curr, unsigned int state) |
| 3826 | { |
| 3827 | struct timeval ts; |
| 3828 | |
| 3829 | do_gettimeofday(&ts); |
| 3830 | |
| 3831 | if (wakeup->top == wakeup->bottom) { |
| 3832 | if (NULL != wakeup->top && curr->top != wakeup->top) { |
| 3833 | if (irq_debug > 1) |
| 3834 | printk("bttv%d: wakeup: both=%p\n",btv->c.nr,wakeup->top); |
| 3835 | wakeup->top->vb.ts = ts; |
| 3836 | wakeup->top->vb.field_count = btv->field_count; |
| 3837 | wakeup->top->vb.state = state; |
| 3838 | wake_up(&wakeup->top->vb.done); |
| 3839 | } |
| 3840 | } else { |
| 3841 | if (NULL != wakeup->top && curr->top != wakeup->top) { |
| 3842 | if (irq_debug > 1) |
| 3843 | printk("bttv%d: wakeup: top=%p\n",btv->c.nr,wakeup->top); |
| 3844 | wakeup->top->vb.ts = ts; |
| 3845 | wakeup->top->vb.field_count = btv->field_count; |
| 3846 | wakeup->top->vb.state = state; |
| 3847 | wake_up(&wakeup->top->vb.done); |
| 3848 | } |
| 3849 | if (NULL != wakeup->bottom && curr->bottom != wakeup->bottom) { |
| 3850 | if (irq_debug > 1) |
| 3851 | printk("bttv%d: wakeup: bottom=%p\n",btv->c.nr,wakeup->bottom); |
| 3852 | wakeup->bottom->vb.ts = ts; |
| 3853 | wakeup->bottom->vb.field_count = btv->field_count; |
| 3854 | wakeup->bottom->vb.state = state; |
| 3855 | wake_up(&wakeup->bottom->vb.done); |
| 3856 | } |
| 3857 | } |
| 3858 | } |
| 3859 | |
| 3860 | static void |
| 3861 | bttv_irq_wakeup_vbi(struct bttv *btv, struct bttv_buffer *wakeup, |
| 3862 | unsigned int state) |
| 3863 | { |
| 3864 | struct timeval ts; |
| 3865 | |
| 3866 | if (NULL == wakeup) |
| 3867 | return; |
| 3868 | |
| 3869 | do_gettimeofday(&ts); |
| 3870 | wakeup->vb.ts = ts; |
| 3871 | wakeup->vb.field_count = btv->field_count; |
| 3872 | wakeup->vb.state = state; |
| 3873 | wake_up(&wakeup->vb.done); |
| 3874 | } |
| 3875 | |
| 3876 | static void bttv_irq_timeout(unsigned long data) |
| 3877 | { |
| 3878 | struct bttv *btv = (struct bttv *)data; |
| 3879 | struct bttv_buffer_set old,new; |
| 3880 | struct bttv_buffer *ovbi; |
| 3881 | struct bttv_buffer *item; |
| 3882 | unsigned long flags; |
| 3883 | |
| 3884 | if (bttv_verbose) { |
| 3885 | printk(KERN_INFO "bttv%d: timeout: drop=%d irq=%d/%d, risc=%08x, ", |
| 3886 | btv->c.nr, btv->framedrop, btv->irq_me, btv->irq_total, |
| 3887 | btread(BT848_RISC_COUNT)); |
| 3888 | bttv_print_irqbits(btread(BT848_INT_STAT),0); |
| 3889 | printk("\n"); |
| 3890 | } |
| 3891 | |
| 3892 | spin_lock_irqsave(&btv->s_lock,flags); |
| 3893 | |
| 3894 | /* deactivate stuff */ |
| 3895 | memset(&new,0,sizeof(new)); |
| 3896 | old = btv->curr; |
| 3897 | ovbi = btv->cvbi; |
| 3898 | btv->curr = new; |
| 3899 | btv->cvbi = NULL; |
| 3900 | btv->loop_irq = 0; |
| 3901 | bttv_buffer_activate_video(btv, &new); |
| 3902 | bttv_buffer_activate_vbi(btv, NULL); |
| 3903 | bttv_set_dma(btv, 0); |
| 3904 | |
| 3905 | /* wake up */ |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 3906 | bttv_irq_wakeup_video(btv, &old, &new, VIDEOBUF_ERROR); |
| 3907 | bttv_irq_wakeup_vbi(btv, ovbi, VIDEOBUF_ERROR); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3908 | |
| 3909 | /* cancel all outstanding capture / vbi requests */ |
| 3910 | while (!list_empty(&btv->capture)) { |
| 3911 | item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue); |
| 3912 | list_del(&item->vb.queue); |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 3913 | item->vb.state = VIDEOBUF_ERROR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3914 | wake_up(&item->vb.done); |
| 3915 | } |
| 3916 | while (!list_empty(&btv->vcapture)) { |
| 3917 | item = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue); |
| 3918 | list_del(&item->vb.queue); |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 3919 | item->vb.state = VIDEOBUF_ERROR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3920 | wake_up(&item->vb.done); |
| 3921 | } |
| 3922 | |
| 3923 | btv->errors++; |
| 3924 | spin_unlock_irqrestore(&btv->s_lock,flags); |
| 3925 | } |
| 3926 | |
| 3927 | static void |
| 3928 | bttv_irq_wakeup_top(struct bttv *btv) |
| 3929 | { |
| 3930 | struct bttv_buffer *wakeup = btv->curr.top; |
| 3931 | |
| 3932 | if (NULL == wakeup) |
| 3933 | return; |
| 3934 | |
| 3935 | spin_lock(&btv->s_lock); |
| 3936 | btv->curr.top_irq = 0; |
| 3937 | btv->curr.top = NULL; |
| 3938 | bttv_risc_hook(btv, RISC_SLOT_O_FIELD, NULL, 0); |
| 3939 | |
| 3940 | do_gettimeofday(&wakeup->vb.ts); |
| 3941 | wakeup->vb.field_count = btv->field_count; |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 3942 | wakeup->vb.state = VIDEOBUF_DONE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3943 | wake_up(&wakeup->vb.done); |
| 3944 | spin_unlock(&btv->s_lock); |
| 3945 | } |
| 3946 | |
| 3947 | static inline int is_active(struct btcx_riscmem *risc, u32 rc) |
| 3948 | { |
| 3949 | if (rc < risc->dma) |
| 3950 | return 0; |
| 3951 | if (rc > risc->dma + risc->size) |
| 3952 | return 0; |
| 3953 | return 1; |
| 3954 | } |
| 3955 | |
| 3956 | static void |
| 3957 | bttv_irq_switch_video(struct bttv *btv) |
| 3958 | { |
| 3959 | struct bttv_buffer_set new; |
| 3960 | struct bttv_buffer_set old; |
| 3961 | dma_addr_t rc; |
| 3962 | |
| 3963 | spin_lock(&btv->s_lock); |
| 3964 | |
| 3965 | /* new buffer set */ |
| 3966 | bttv_irq_next_video(btv, &new); |
| 3967 | rc = btread(BT848_RISC_COUNT); |
| 3968 | if ((btv->curr.top && is_active(&btv->curr.top->top, rc)) || |
| 3969 | (btv->curr.bottom && is_active(&btv->curr.bottom->bottom, rc))) { |
| 3970 | btv->framedrop++; |
| 3971 | if (debug_latency) |
| 3972 | bttv_irq_debug_low_latency(btv, rc); |
| 3973 | spin_unlock(&btv->s_lock); |
| 3974 | return; |
| 3975 | } |
| 3976 | |
| 3977 | /* switch over */ |
| 3978 | old = btv->curr; |
| 3979 | btv->curr = new; |
| 3980 | btv->loop_irq &= ~1; |
| 3981 | bttv_buffer_activate_video(btv, &new); |
| 3982 | bttv_set_dma(btv, 0); |
| 3983 | |
| 3984 | /* switch input */ |
| 3985 | if (UNSET != btv->new_input) { |
| 3986 | video_mux(btv,btv->new_input); |
| 3987 | btv->new_input = UNSET; |
| 3988 | } |
| 3989 | |
| 3990 | /* wake up finished buffers */ |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 3991 | bttv_irq_wakeup_video(btv, &old, &new, VIDEOBUF_DONE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3992 | spin_unlock(&btv->s_lock); |
| 3993 | } |
| 3994 | |
| 3995 | static void |
| 3996 | bttv_irq_switch_vbi(struct bttv *btv) |
| 3997 | { |
| 3998 | struct bttv_buffer *new = NULL; |
| 3999 | struct bttv_buffer *old; |
| 4000 | u32 rc; |
| 4001 | |
| 4002 | spin_lock(&btv->s_lock); |
| 4003 | |
| 4004 | if (!list_empty(&btv->vcapture)) |
| 4005 | new = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue); |
| 4006 | old = btv->cvbi; |
| 4007 | |
| 4008 | rc = btread(BT848_RISC_COUNT); |
| 4009 | if (NULL != old && (is_active(&old->top, rc) || |
| 4010 | is_active(&old->bottom, rc))) { |
| 4011 | btv->framedrop++; |
| 4012 | if (debug_latency) |
| 4013 | bttv_irq_debug_low_latency(btv, rc); |
| 4014 | spin_unlock(&btv->s_lock); |
| 4015 | return; |
| 4016 | } |
| 4017 | |
| 4018 | /* switch */ |
| 4019 | btv->cvbi = new; |
| 4020 | btv->loop_irq &= ~4; |
| 4021 | bttv_buffer_activate_vbi(btv, new); |
| 4022 | bttv_set_dma(btv, 0); |
| 4023 | |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 4024 | bttv_irq_wakeup_vbi(btv, old, VIDEOBUF_DONE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4025 | spin_unlock(&btv->s_lock); |
| 4026 | } |
| 4027 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4028 | static irqreturn_t bttv_irq(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4029 | { |
| 4030 | u32 stat,astat; |
| 4031 | u32 dstat; |
| 4032 | int count; |
| 4033 | struct bttv *btv; |
| 4034 | int handled = 0; |
| 4035 | |
| 4036 | btv=(struct bttv *)dev_id; |
Mark Weaver | 6c6c0b2 | 2005-11-13 16:07:52 -0800 | [diff] [blame] | 4037 | |
Ricardo Cerqueira | 4abdfed | 2006-01-09 15:25:25 -0200 | [diff] [blame] | 4038 | if (btv->custom_irq) |
| 4039 | handled = btv->custom_irq(btv); |
Mark Weaver | 6c6c0b2 | 2005-11-13 16:07:52 -0800 | [diff] [blame] | 4040 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4041 | count=0; |
| 4042 | while (1) { |
| 4043 | /* get/clear interrupt status bits */ |
| 4044 | stat=btread(BT848_INT_STAT); |
| 4045 | astat=stat&btread(BT848_INT_MASK); |
| 4046 | if (!astat) |
| 4047 | break; |
| 4048 | handled = 1; |
| 4049 | btwrite(stat,BT848_INT_STAT); |
| 4050 | |
| 4051 | /* get device status bits */ |
| 4052 | dstat=btread(BT848_DSTATUS); |
| 4053 | |
| 4054 | if (irq_debug) { |
| 4055 | printk(KERN_DEBUG "bttv%d: irq loop=%d fc=%d " |
| 4056 | "riscs=%x, riscc=%08x, ", |
| 4057 | btv->c.nr, count, btv->field_count, |
| 4058 | stat>>28, btread(BT848_RISC_COUNT)); |
| 4059 | bttv_print_irqbits(stat,astat); |
| 4060 | if (stat & BT848_INT_HLOCK) |
| 4061 | printk(" HLOC => %s", (dstat & BT848_DSTATUS_HLOC) |
| 4062 | ? "yes" : "no"); |
| 4063 | if (stat & BT848_INT_VPRES) |
| 4064 | printk(" PRES => %s", (dstat & BT848_DSTATUS_PRES) |
| 4065 | ? "yes" : "no"); |
| 4066 | if (stat & BT848_INT_FMTCHG) |
| 4067 | printk(" NUML => %s", (dstat & BT848_DSTATUS_NUML) |
| 4068 | ? "625" : "525"); |
| 4069 | printk("\n"); |
| 4070 | } |
| 4071 | |
| 4072 | if (astat&BT848_INT_VSYNC) |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4073 | btv->field_count++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4074 | |
Ricardo Cerqueira | 4abdfed | 2006-01-09 15:25:25 -0200 | [diff] [blame] | 4075 | if ((astat & BT848_INT_GPINT) && btv->remote) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4076 | wake_up(&btv->gpioq); |
Ricardo Cerqueira | 4abdfed | 2006-01-09 15:25:25 -0200 | [diff] [blame] | 4077 | bttv_input_irq(btv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4078 | } |
| 4079 | |
| 4080 | if (astat & BT848_INT_I2CDONE) { |
| 4081 | btv->i2c_done = stat; |
| 4082 | wake_up(&btv->i2c_queue); |
| 4083 | } |
| 4084 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4085 | if ((astat & BT848_INT_RISCI) && (stat & (4<<28))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4086 | bttv_irq_switch_vbi(btv); |
| 4087 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4088 | if ((astat & BT848_INT_RISCI) && (stat & (2<<28))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4089 | bttv_irq_wakeup_top(btv); |
| 4090 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4091 | if ((astat & BT848_INT_RISCI) && (stat & (1<<28))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4092 | bttv_irq_switch_video(btv); |
| 4093 | |
| 4094 | if ((astat & BT848_INT_HLOCK) && btv->opt_automute) |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 4095 | audio_mute(btv, btv->mute); /* trigger automute */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4096 | |
| 4097 | if (astat & (BT848_INT_SCERR|BT848_INT_OCERR)) { |
| 4098 | printk(KERN_INFO "bttv%d: %s%s @ %08x,",btv->c.nr, |
| 4099 | (astat & BT848_INT_SCERR) ? "SCERR" : "", |
| 4100 | (astat & BT848_INT_OCERR) ? "OCERR" : "", |
| 4101 | btread(BT848_RISC_COUNT)); |
| 4102 | bttv_print_irqbits(stat,astat); |
| 4103 | printk("\n"); |
| 4104 | if (bttv_debug) |
| 4105 | bttv_print_riscaddr(btv); |
| 4106 | } |
| 4107 | if (fdsr && astat & BT848_INT_FDSR) { |
| 4108 | printk(KERN_INFO "bttv%d: FDSR @ %08x\n", |
| 4109 | btv->c.nr,btread(BT848_RISC_COUNT)); |
| 4110 | if (bttv_debug) |
| 4111 | bttv_print_riscaddr(btv); |
| 4112 | } |
| 4113 | |
| 4114 | count++; |
| 4115 | if (count > 4) { |
nshmyrev@yandex.ru | c58c21c | 2005-11-08 21:37:41 -0800 | [diff] [blame] | 4116 | |
| 4117 | if (count > 8 || !(astat & BT848_INT_GPINT)) { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4118 | btwrite(0, BT848_INT_MASK); |
nshmyrev@yandex.ru | c58c21c | 2005-11-08 21:37:41 -0800 | [diff] [blame] | 4119 | |
| 4120 | printk(KERN_ERR |
| 4121 | "bttv%d: IRQ lockup, cleared int mask [", btv->c.nr); |
| 4122 | } else { |
| 4123 | printk(KERN_ERR |
| 4124 | "bttv%d: IRQ lockup, clearing GPINT from int mask [", btv->c.nr); |
| 4125 | |
| 4126 | btwrite(btread(BT848_INT_MASK) & (-1 ^ BT848_INT_GPINT), |
| 4127 | BT848_INT_MASK); |
| 4128 | }; |
| 4129 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4130 | bttv_print_irqbits(stat,astat); |
nshmyrev@yandex.ru | c58c21c | 2005-11-08 21:37:41 -0800 | [diff] [blame] | 4131 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4132 | printk("]\n"); |
| 4133 | } |
| 4134 | } |
| 4135 | btv->irq_total++; |
| 4136 | if (handled) |
| 4137 | btv->irq_me++; |
| 4138 | return IRQ_RETVAL(handled); |
| 4139 | } |
| 4140 | |
| 4141 | |
| 4142 | /* ----------------------------------------------------------------------- */ |
| 4143 | /* initialitation */ |
| 4144 | |
| 4145 | static struct video_device *vdev_init(struct bttv *btv, |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 4146 | const struct video_device *template, |
| 4147 | const char *type_name, |
| 4148 | const int type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4149 | { |
| 4150 | struct video_device *vfd; |
| 4151 | |
| 4152 | vfd = video_device_alloc(); |
| 4153 | if (NULL == vfd) |
| 4154 | return NULL; |
| 4155 | *vfd = *template; |
| 4156 | vfd->minor = -1; |
| 4157 | vfd->dev = &btv->c.pci->dev; |
| 4158 | vfd->release = video_device_release; |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 4159 | vfd->type = type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4160 | snprintf(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)", |
| 4161 | btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "", |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 4162 | type_name, bttv_tvcards[btv->c.type].name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4163 | return vfd; |
| 4164 | } |
| 4165 | |
| 4166 | static void bttv_unregister_video(struct bttv *btv) |
| 4167 | { |
| 4168 | if (btv->video_dev) { |
| 4169 | if (-1 != btv->video_dev->minor) |
| 4170 | video_unregister_device(btv->video_dev); |
| 4171 | else |
| 4172 | video_device_release(btv->video_dev); |
| 4173 | btv->video_dev = NULL; |
| 4174 | } |
| 4175 | if (btv->vbi_dev) { |
| 4176 | if (-1 != btv->vbi_dev->minor) |
| 4177 | video_unregister_device(btv->vbi_dev); |
| 4178 | else |
| 4179 | video_device_release(btv->vbi_dev); |
| 4180 | btv->vbi_dev = NULL; |
| 4181 | } |
| 4182 | if (btv->radio_dev) { |
| 4183 | if (-1 != btv->radio_dev->minor) |
| 4184 | video_unregister_device(btv->radio_dev); |
| 4185 | else |
| 4186 | video_device_release(btv->radio_dev); |
| 4187 | btv->radio_dev = NULL; |
| 4188 | } |
| 4189 | } |
| 4190 | |
| 4191 | /* register video4linux devices */ |
| 4192 | static int __devinit bttv_register_video(struct bttv *btv) |
| 4193 | { |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 4194 | int video_type = VID_TYPE_CAPTURE | |
| 4195 | VID_TYPE_TUNER | |
| 4196 | VID_TYPE_CLIPPING| |
| 4197 | VID_TYPE_SCALES; |
| 4198 | |
Mauro Carvalho Chehab | 4dcef52 | 2005-08-04 12:53:30 -0700 | [diff] [blame] | 4199 | if (no_overlay <= 0) { |
| 4200 | bttv_video_template.type |= VID_TYPE_OVERLAY; |
| 4201 | } else { |
| 4202 | printk("bttv: Overlay support disabled.\n"); |
| 4203 | } |
| 4204 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4205 | /* video */ |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 4206 | btv->video_dev = vdev_init(btv, &bttv_video_template, |
| 4207 | "video", video_type); |
| 4208 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4209 | if (NULL == btv->video_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4210 | goto err; |
| 4211 | if (video_register_device(btv->video_dev,VFL_TYPE_GRABBER,video_nr)<0) |
| 4212 | goto err; |
| 4213 | printk(KERN_INFO "bttv%d: registered device video%d\n", |
| 4214 | btv->c.nr,btv->video_dev->minor & 0x1f); |
Kay Sievers | 54bd5b6 | 2007-10-08 16:26:13 -0300 | [diff] [blame] | 4215 | if (device_create_file(&btv->video_dev->class_dev, |
| 4216 | &dev_attr_card)<0) { |
| 4217 | printk(KERN_ERR "bttv%d: device_create_file 'card' " |
Trent Piepho | d94fc9a | 2006-07-29 17:18:06 -0300 | [diff] [blame] | 4218 | "failed\n", btv->c.nr); |
| 4219 | goto err; |
| 4220 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4221 | |
| 4222 | /* vbi */ |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 4223 | btv->vbi_dev = vdev_init(btv, &bttv_video_template, |
| 4224 | "vbi", VID_TYPE_TUNER | VID_TYPE_TELETEXT); |
| 4225 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4226 | if (NULL == btv->vbi_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4227 | goto err; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4228 | if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4229 | goto err; |
| 4230 | printk(KERN_INFO "bttv%d: registered device vbi%d\n", |
| 4231 | btv->c.nr,btv->vbi_dev->minor & 0x1f); |
| 4232 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4233 | if (!btv->has_radio) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4234 | return 0; |
| 4235 | /* radio */ |
Mauro Carvalho Chehab | 9134be0 | 2007-12-27 22:28:31 -0300 | [diff] [blame] | 4236 | btv->radio_dev = vdev_init(btv, &radio_template, |
| 4237 | "radio", VID_TYPE_TUNER); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4238 | if (NULL == btv->radio_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4239 | goto err; |
| 4240 | if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,radio_nr)<0) |
| 4241 | goto err; |
| 4242 | printk(KERN_INFO "bttv%d: registered device radio%d\n", |
| 4243 | btv->c.nr,btv->radio_dev->minor & 0x1f); |
| 4244 | |
| 4245 | /* all done */ |
| 4246 | return 0; |
| 4247 | |
| 4248 | err: |
| 4249 | bttv_unregister_video(btv); |
| 4250 | return -1; |
| 4251 | } |
| 4252 | |
| 4253 | |
| 4254 | /* on OpenFirmware machines (PowerMac at least), PCI memory cycle */ |
| 4255 | /* response on cards with no firmware is not enabled by OF */ |
| 4256 | static void pci_set_command(struct pci_dev *dev) |
| 4257 | { |
| 4258 | #if defined(__powerpc__) |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4259 | unsigned int cmd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4260 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4261 | pci_read_config_dword(dev, PCI_COMMAND, &cmd); |
| 4262 | cmd = (cmd | PCI_COMMAND_MEMORY ); |
| 4263 | pci_write_config_dword(dev, PCI_COMMAND, cmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4264 | #endif |
| 4265 | } |
| 4266 | |
| 4267 | static int __devinit bttv_probe(struct pci_dev *dev, |
| 4268 | const struct pci_device_id *pci_id) |
| 4269 | { |
| 4270 | int result; |
| 4271 | unsigned char lat; |
| 4272 | struct bttv *btv; |
| 4273 | |
| 4274 | if (bttv_num == BTTV_MAX) |
| 4275 | return -ENOMEM; |
| 4276 | printk(KERN_INFO "bttv: Bt8xx card found (%d).\n", bttv_num); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4277 | btv=&bttvs[bttv_num]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4278 | memset(btv,0,sizeof(*btv)); |
| 4279 | btv->c.nr = bttv_num; |
| 4280 | sprintf(btv->c.name,"bttv%d",btv->c.nr); |
| 4281 | |
| 4282 | /* initialize structs / fill in defaults */ |
Ingo Molnar | bd5f0ac | 2006-01-13 14:10:24 -0200 | [diff] [blame] | 4283 | mutex_init(&btv->lock); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4284 | spin_lock_init(&btv->s_lock); |
| 4285 | spin_lock_init(&btv->gpio_lock); |
| 4286 | init_waitqueue_head(&btv->gpioq); |
| 4287 | init_waitqueue_head(&btv->i2c_queue); |
| 4288 | INIT_LIST_HEAD(&btv->c.subs); |
| 4289 | INIT_LIST_HEAD(&btv->capture); |
| 4290 | INIT_LIST_HEAD(&btv->vcapture); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4291 | v4l2_prio_init(&btv->prio); |
| 4292 | |
| 4293 | init_timer(&btv->timeout); |
| 4294 | btv->timeout.function = bttv_irq_timeout; |
| 4295 | btv->timeout.data = (unsigned long)btv; |
| 4296 | |
Michael Krufky | 7c08fb0 | 2005-11-08 21:36:21 -0800 | [diff] [blame] | 4297 | btv->i2c_rc = -1; |
| 4298 | btv->tuner_type = UNSET; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4299 | btv->new_input = UNSET; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4300 | btv->has_radio=radio[btv->c.nr]; |
| 4301 | |
| 4302 | /* pci stuff (init, get irq/mmio, ... */ |
| 4303 | btv->c.pci = dev; |
Michael Krufky | 7c08fb0 | 2005-11-08 21:36:21 -0800 | [diff] [blame] | 4304 | btv->id = dev->device; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4305 | if (pci_enable_device(dev)) { |
Michael Krufky | 7c08fb0 | 2005-11-08 21:36:21 -0800 | [diff] [blame] | 4306 | printk(KERN_WARNING "bttv%d: Can't enable device.\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4307 | btv->c.nr); |
| 4308 | return -EIO; |
| 4309 | } |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4310 | if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) { |
| 4311 | printk(KERN_WARNING "bttv%d: No suitable DMA available.\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4312 | btv->c.nr); |
| 4313 | return -EIO; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4314 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4315 | if (!request_mem_region(pci_resource_start(dev,0), |
| 4316 | pci_resource_len(dev,0), |
| 4317 | btv->c.name)) { |
Greg Kroah-Hartman | 228aef6 | 2006-06-12 15:16:52 -0700 | [diff] [blame] | 4318 | printk(KERN_WARNING "bttv%d: can't request iomem (0x%llx).\n", |
| 4319 | btv->c.nr, |
| 4320 | (unsigned long long)pci_resource_start(dev,0)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4321 | return -EBUSY; |
| 4322 | } |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4323 | pci_set_master(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4324 | pci_set_command(dev); |
| 4325 | pci_set_drvdata(dev,btv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4326 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4327 | pci_read_config_byte(dev, PCI_CLASS_REVISION, &btv->revision); |
| 4328 | pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); |
| 4329 | printk(KERN_INFO "bttv%d: Bt%d (rev %d) at %s, ", |
| 4330 | bttv_num,btv->id, btv->revision, pci_name(dev)); |
Greg Kroah-Hartman | 228aef6 | 2006-06-12 15:16:52 -0700 | [diff] [blame] | 4331 | printk("irq: %d, latency: %d, mmio: 0x%llx\n", |
| 4332 | btv->c.pci->irq, lat, |
| 4333 | (unsigned long long)pci_resource_start(dev,0)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4334 | schedule(); |
| 4335 | |
Akinobu Mita | 5f1693f | 2006-12-20 10:08:56 -0300 | [diff] [blame] | 4336 | btv->bt848_mmio = ioremap(pci_resource_start(dev, 0), 0x1000); |
| 4337 | if (NULL == btv->bt848_mmio) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4338 | printk("bttv%d: ioremap() failed\n", btv->c.nr); |
| 4339 | result = -EIO; |
| 4340 | goto fail1; |
| 4341 | } |
| 4342 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4343 | /* identify card */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4344 | bttv_idcard(btv); |
| 4345 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4346 | /* disable irqs, register irq handler */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4347 | btwrite(0, BT848_INT_MASK); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4348 | result = request_irq(btv->c.pci->irq, bttv_irq, |
Thomas Gleixner | 8076fe3 | 2006-07-01 19:29:37 -0700 | [diff] [blame] | 4349 | IRQF_SHARED | IRQF_DISABLED,btv->c.name,(void *)btv); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4350 | if (result < 0) { |
| 4351 | printk(KERN_ERR "bttv%d: can't get IRQ %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4352 | bttv_num,btv->c.pci->irq); |
| 4353 | goto fail1; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4354 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4355 | |
| 4356 | if (0 != bttv_handle_chipset(btv)) { |
| 4357 | result = -EIO; |
| 4358 | goto fail2; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4359 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4360 | |
| 4361 | /* init options from insmod args */ |
| 4362 | btv->opt_combfilter = combfilter; |
| 4363 | btv->opt_lumafilter = lumafilter; |
| 4364 | btv->opt_automute = automute; |
| 4365 | btv->opt_chroma_agc = chroma_agc; |
| 4366 | btv->opt_adc_crush = adc_crush; |
| 4367 | btv->opt_vcr_hack = vcr_hack; |
| 4368 | btv->opt_whitecrush_upper = whitecrush_upper; |
| 4369 | btv->opt_whitecrush_lower = whitecrush_lower; |
Mauro Carvalho Chehab | 060d302 | 2005-06-28 20:45:25 -0700 | [diff] [blame] | 4370 | btv->opt_uv_ratio = uv_ratio; |
| 4371 | btv->opt_full_luma_range = full_luma_range; |
| 4372 | btv->opt_coring = coring; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4373 | |
| 4374 | /* fill struct bttv with some useful defaults */ |
| 4375 | btv->init.btv = btv; |
| 4376 | btv->init.ov.w.width = 320; |
| 4377 | btv->init.ov.w.height = 240; |
Mauro Carvalho Chehab | c96dd07 | 2007-10-26 16:51:47 -0300 | [diff] [blame] | 4378 | btv->init.fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4379 | btv->init.width = 320; |
| 4380 | btv->init.height = 240; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4381 | btv->input = 0; |
| 4382 | |
| 4383 | /* initialize hardware */ |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4384 | if (bttv_gpio) |
| 4385 | bttv_gpio_tracking(btv,"pre-init"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4386 | |
| 4387 | bttv_risc_init_main(btv); |
| 4388 | init_bt848(btv); |
| 4389 | |
| 4390 | /* gpio */ |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4391 | btwrite(0x00, BT848_GPIO_REG_INP); |
| 4392 | btwrite(0x00, BT848_GPIO_OUT_EN); |
| 4393 | if (bttv_verbose) |
| 4394 | bttv_gpio_tracking(btv,"init"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4395 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4396 | /* needs to be done before i2c is registered */ |
| 4397 | bttv_init_card1(btv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4398 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4399 | /* register i2c + gpio */ |
| 4400 | init_bttv_i2c(btv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4401 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4402 | /* some card-specific stuff (needs working i2c) */ |
| 4403 | bttv_init_card2(btv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4404 | init_irqreg(btv); |
| 4405 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4406 | /* register video4linux + input */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4407 | if (!bttv_tvcards[btv->c.type].no_video) { |
| 4408 | bttv_register_video(btv); |
| 4409 | bt848_bright(btv,32768); |
| 4410 | bt848_contrast(btv,32768); |
| 4411 | bt848_hue(btv,32768); |
| 4412 | bt848_sat(btv,32768); |
Hans Verkuil | 8bf2f8e | 2006-03-18 21:31:00 -0300 | [diff] [blame] | 4413 | audio_mute(btv, 1); |
Trent Piepho | 333408f | 2007-07-03 15:08:10 -0300 | [diff] [blame] | 4414 | set_input(btv, 0, btv->tvnorm); |
Michael Schimek | e5bd026 | 2007-01-18 16:17:39 -0300 | [diff] [blame] | 4415 | bttv_crop_reset(&btv->crop[0], btv->tvnorm); |
| 4416 | btv->crop[1] = btv->crop[0]; /* current = default */ |
| 4417 | disclaim_vbi_lines(btv); |
| 4418 | disclaim_video_lines(btv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4419 | } |
| 4420 | |
Jarod Wilson | f992a49 | 2007-03-24 15:23:50 -0300 | [diff] [blame] | 4421 | /* add subdevices and autoload dvb-bt8xx if needed */ |
| 4422 | if (bttv_tvcards[btv->c.type].has_dvb) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4423 | bttv_sub_add_device(&btv->c, "dvb"); |
Jarod Wilson | f992a49 | 2007-03-24 15:23:50 -0300 | [diff] [blame] | 4424 | request_modules(btv); |
| 4425 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4426 | |
Ricardo Cerqueira | 4abdfed | 2006-01-09 15:25:25 -0200 | [diff] [blame] | 4427 | bttv_input_init(btv); |
| 4428 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4429 | /* everything is fine */ |
| 4430 | bttv_num++; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4431 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4432 | |
| 4433 | fail2: |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4434 | free_irq(btv->c.pci->irq,btv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4435 | |
| 4436 | fail1: |
| 4437 | if (btv->bt848_mmio) |
| 4438 | iounmap(btv->bt848_mmio); |
| 4439 | release_mem_region(pci_resource_start(btv->c.pci,0), |
| 4440 | pci_resource_len(btv->c.pci,0)); |
| 4441 | pci_set_drvdata(dev,NULL); |
| 4442 | return result; |
| 4443 | } |
| 4444 | |
| 4445 | static void __devexit bttv_remove(struct pci_dev *pci_dev) |
| 4446 | { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4447 | struct bttv *btv = pci_get_drvdata(pci_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4448 | |
| 4449 | if (bttv_verbose) |
| 4450 | printk("bttv%d: unloading\n",btv->c.nr); |
| 4451 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4452 | /* shutdown everything (DMA+IRQs) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4453 | btand(~15, BT848_GPIO_DMA_CTL); |
| 4454 | btwrite(0, BT848_INT_MASK); |
| 4455 | btwrite(~0x0, BT848_INT_STAT); |
| 4456 | btwrite(0x0, BT848_GPIO_OUT_EN); |
| 4457 | if (bttv_gpio) |
| 4458 | bttv_gpio_tracking(btv,"cleanup"); |
| 4459 | |
| 4460 | /* tell gpio modules we are leaving ... */ |
| 4461 | btv->shutdown=1; |
| 4462 | wake_up(&btv->gpioq); |
Ricardo Cerqueira | 4abdfed | 2006-01-09 15:25:25 -0200 | [diff] [blame] | 4463 | bttv_input_fini(btv); |
Christopher Pascoe | 889aee8 | 2006-01-09 15:25:28 -0200 | [diff] [blame] | 4464 | bttv_sub_del_devices(&btv->c); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4465 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4466 | /* unregister i2c_bus + input */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4467 | fini_bttv_i2c(btv); |
| 4468 | |
| 4469 | /* unregister video4linux */ |
| 4470 | bttv_unregister_video(btv); |
| 4471 | |
| 4472 | /* free allocated memory */ |
| 4473 | btcx_riscmem_free(btv->c.pci,&btv->main); |
| 4474 | |
| 4475 | /* free ressources */ |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4476 | free_irq(btv->c.pci->irq,btv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4477 | iounmap(btv->bt848_mmio); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4478 | release_mem_region(pci_resource_start(btv->c.pci,0), |
| 4479 | pci_resource_len(btv->c.pci,0)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4480 | |
| 4481 | pci_set_drvdata(pci_dev, NULL); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4482 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4483 | } |
| 4484 | |
Alexey Dobriyan | 17bc98a | 2006-08-12 22:01:27 -0300 | [diff] [blame] | 4485 | #ifdef CONFIG_PM |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4486 | static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state) |
| 4487 | { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4488 | struct bttv *btv = pci_get_drvdata(pci_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4489 | struct bttv_buffer_set idle; |
| 4490 | unsigned long flags; |
| 4491 | |
Mauro Carvalho Chehab | 0f97a93 | 2005-09-09 13:04:05 -0700 | [diff] [blame] | 4492 | dprintk("bttv%d: suspend %d\n", btv->c.nr, state.event); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4493 | |
| 4494 | /* stop dma + irqs */ |
| 4495 | spin_lock_irqsave(&btv->s_lock,flags); |
| 4496 | memset(&idle, 0, sizeof(idle)); |
| 4497 | btv->state.video = btv->curr; |
| 4498 | btv->state.vbi = btv->cvbi; |
| 4499 | btv->state.loop_irq = btv->loop_irq; |
| 4500 | btv->curr = idle; |
| 4501 | btv->loop_irq = 0; |
| 4502 | bttv_buffer_activate_video(btv, &idle); |
| 4503 | bttv_buffer_activate_vbi(btv, NULL); |
| 4504 | bttv_set_dma(btv, 0); |
| 4505 | btwrite(0, BT848_INT_MASK); |
| 4506 | spin_unlock_irqrestore(&btv->s_lock,flags); |
| 4507 | |
| 4508 | /* save bt878 state */ |
| 4509 | btv->state.gpio_enable = btread(BT848_GPIO_OUT_EN); |
| 4510 | btv->state.gpio_data = gpio_read(); |
| 4511 | |
| 4512 | /* save pci state */ |
| 4513 | pci_save_state(pci_dev); |
| 4514 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { |
| 4515 | pci_disable_device(pci_dev); |
| 4516 | btv->state.disabled = 1; |
| 4517 | } |
| 4518 | return 0; |
| 4519 | } |
| 4520 | |
| 4521 | static int bttv_resume(struct pci_dev *pci_dev) |
| 4522 | { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4523 | struct bttv *btv = pci_get_drvdata(pci_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4524 | unsigned long flags; |
Mauro Carvalho Chehab | 08adb9e | 2005-09-09 13:03:55 -0700 | [diff] [blame] | 4525 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4526 | |
| 4527 | dprintk("bttv%d: resume\n", btv->c.nr); |
| 4528 | |
| 4529 | /* restore pci state */ |
| 4530 | if (btv->state.disabled) { |
Mauro Carvalho Chehab | 08adb9e | 2005-09-09 13:03:55 -0700 | [diff] [blame] | 4531 | err=pci_enable_device(pci_dev); |
| 4532 | if (err) { |
| 4533 | printk(KERN_WARNING "bttv%d: Can't enable device.\n", |
| 4534 | btv->c.nr); |
| 4535 | return err; |
| 4536 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4537 | btv->state.disabled = 0; |
| 4538 | } |
Mauro Carvalho Chehab | 08adb9e | 2005-09-09 13:03:55 -0700 | [diff] [blame] | 4539 | err=pci_set_power_state(pci_dev, PCI_D0); |
| 4540 | if (err) { |
| 4541 | pci_disable_device(pci_dev); |
| 4542 | printk(KERN_WARNING "bttv%d: Can't enable device.\n", |
| 4543 | btv->c.nr); |
| 4544 | btv->state.disabled = 1; |
| 4545 | return err; |
| 4546 | } |
| 4547 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4548 | pci_restore_state(pci_dev); |
| 4549 | |
| 4550 | /* restore bt878 state */ |
| 4551 | bttv_reinit_bt848(btv); |
| 4552 | gpio_inout(0xffffff, btv->state.gpio_enable); |
| 4553 | gpio_write(btv->state.gpio_data); |
| 4554 | |
| 4555 | /* restart dma */ |
| 4556 | spin_lock_irqsave(&btv->s_lock,flags); |
| 4557 | btv->curr = btv->state.video; |
| 4558 | btv->cvbi = btv->state.vbi; |
| 4559 | btv->loop_irq = btv->state.loop_irq; |
| 4560 | bttv_buffer_activate_video(btv, &btv->curr); |
| 4561 | bttv_buffer_activate_vbi(btv, btv->cvbi); |
| 4562 | bttv_set_dma(btv, 0); |
| 4563 | spin_unlock_irqrestore(&btv->s_lock,flags); |
| 4564 | return 0; |
| 4565 | } |
Alexey Dobriyan | 17bc98a | 2006-08-12 22:01:27 -0300 | [diff] [blame] | 4566 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4567 | |
| 4568 | static struct pci_device_id bttv_pci_tbl[] = { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4569 | {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT848, |
| 4570 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4571 | {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT849, |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4572 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4573 | {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT878, |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4574 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4575 | {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT879, |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4576 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
| 4577 | {0,} |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4578 | }; |
| 4579 | |
| 4580 | MODULE_DEVICE_TABLE(pci, bttv_pci_tbl); |
| 4581 | |
| 4582 | static struct pci_driver bttv_pci_driver = { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 4583 | .name = "bttv", |
| 4584 | .id_table = bttv_pci_tbl, |
| 4585 | .probe = bttv_probe, |
| 4586 | .remove = __devexit_p(bttv_remove), |
Alexey Dobriyan | 17bc98a | 2006-08-12 22:01:27 -0300 | [diff] [blame] | 4587 | #ifdef CONFIG_PM |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4588 | .suspend = bttv_suspend, |
| 4589 | .resume = bttv_resume, |
Alexey Dobriyan | 17bc98a | 2006-08-12 22:01:27 -0300 | [diff] [blame] | 4590 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4591 | }; |
| 4592 | |
Adrian Bunk | 7d44e89 | 2007-12-11 19:23:43 -0300 | [diff] [blame] | 4593 | static int __init bttv_init_module(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4594 | { |
Randy Dunlap | c526e22 | 2006-07-15 09:08:26 -0300 | [diff] [blame] | 4595 | int ret; |
| 4596 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4597 | bttv_num = 0; |
| 4598 | |
| 4599 | printk(KERN_INFO "bttv: driver version %d.%d.%d loaded\n", |
| 4600 | (BTTV_VERSION_CODE >> 16) & 0xff, |
| 4601 | (BTTV_VERSION_CODE >> 8) & 0xff, |
| 4602 | BTTV_VERSION_CODE & 0xff); |
| 4603 | #ifdef SNAPSHOT |
| 4604 | printk(KERN_INFO "bttv: snapshot date %04d-%02d-%02d\n", |
| 4605 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); |
| 4606 | #endif |
| 4607 | if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) |
| 4608 | gbuffers = 2; |
| 4609 | if (gbufsize < 0 || gbufsize > BTTV_MAX_FBUF) |
| 4610 | gbufsize = BTTV_MAX_FBUF; |
| 4611 | gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; |
| 4612 | if (bttv_verbose) |
| 4613 | printk(KERN_INFO "bttv: using %d buffers with %dk (%d pages) each for capture\n", |
| 4614 | gbuffers, gbufsize >> 10, gbufsize >> PAGE_SHIFT); |
| 4615 | |
| 4616 | bttv_check_chipset(); |
| 4617 | |
Randy Dunlap | c526e22 | 2006-07-15 09:08:26 -0300 | [diff] [blame] | 4618 | ret = bus_register(&bttv_sub_bus_type); |
| 4619 | if (ret < 0) { |
| 4620 | printk(KERN_WARNING "bttv: bus_register error: %d\n", ret); |
| 4621 | return ret; |
| 4622 | } |
Akinobu Mita | 9e7e85e | 2007-12-17 14:26:29 -0300 | [diff] [blame] | 4623 | ret = pci_register_driver(&bttv_pci_driver); |
| 4624 | if (ret < 0) |
| 4625 | bus_unregister(&bttv_sub_bus_type); |
| 4626 | |
| 4627 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4628 | } |
| 4629 | |
Adrian Bunk | 7d44e89 | 2007-12-11 19:23:43 -0300 | [diff] [blame] | 4630 | static void __exit bttv_cleanup_module(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4631 | { |
| 4632 | pci_unregister_driver(&bttv_pci_driver); |
| 4633 | bus_unregister(&bttv_sub_bus_type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4634 | } |
| 4635 | |
| 4636 | module_init(bttv_init_module); |
| 4637 | module_exit(bttv_cleanup_module); |
| 4638 | |
| 4639 | /* |
| 4640 | * Local variables: |
| 4641 | * c-basic-offset: 8 |
| 4642 | * End: |
| 4643 | */ |