Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1 | /* |
| 2 | tm6000-video.c - driver for TM5600/TM6000 USB video capture devices |
| 3 | |
| 4 | Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> |
| 5 | |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 6 | Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> |
| 7 | - Fixed module load/unload |
| 8 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation version 2 |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 21 | */ |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/delay.h> |
| 24 | #include <linux/errno.h> |
| 25 | #include <linux/fs.h> |
| 26 | #include <linux/kernel.h> |
| 27 | #include <linux/slab.h> |
| 28 | #include <linux/mm.h> |
| 29 | #include <linux/ioport.h> |
| 30 | #include <linux/init.h> |
| 31 | #include <linux/sched.h> |
| 32 | #include <linux/random.h> |
| 33 | #include <linux/version.h> |
| 34 | #include <linux/usb.h> |
| 35 | #include <linux/videodev2.h> |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 36 | #include <media/v4l2-ioctl.h> |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 37 | #include <linux/interrupt.h> |
| 38 | #include <linux/kthread.h> |
| 39 | #include <linux/highmem.h> |
| 40 | #include <linux/freezer.h> |
| 41 | |
| 42 | #include "tm6000-regs.h" |
| 43 | #include "tm6000.h" |
| 44 | |
| 45 | #define BUFFER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ |
| 46 | |
Michel Ludwig | 95a8382 | 2007-07-24 08:06:45 -0300 | [diff] [blame] | 47 | /* Limits minimum and default number of buffers */ |
| 48 | #define TM6000_MIN_BUF 4 |
| 49 | #define TM6000_DEF_BUF 8 |
| 50 | |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 51 | #define TM6000_MAX_ISO_PACKETS 40 /* Max number of ISO packets */ |
| 52 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 53 | /* Declare static vars that will be used as parameters */ |
| 54 | static unsigned int vid_limit = 16; /* Video memory limit, in Mb */ |
| 55 | static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ |
| 56 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 57 | /* Debug level */ |
| 58 | int tm6000_debug; |
| 59 | |
| 60 | /* supported controls */ |
| 61 | static struct v4l2_queryctrl tm6000_qctrl[] = { |
| 62 | { |
| 63 | .id = V4L2_CID_BRIGHTNESS, |
| 64 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 65 | .name = "Brightness", |
| 66 | .minimum = 0, |
| 67 | .maximum = 255, |
| 68 | .step = 1, |
| 69 | .default_value = 54, |
| 70 | .flags = 0, |
| 71 | }, { |
| 72 | .id = V4L2_CID_CONTRAST, |
| 73 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 74 | .name = "Contrast", |
| 75 | .minimum = 0, |
| 76 | .maximum = 255, |
| 77 | .step = 0x1, |
| 78 | .default_value = 119, |
| 79 | .flags = 0, |
| 80 | }, { |
| 81 | .id = V4L2_CID_SATURATION, |
| 82 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 83 | .name = "Saturation", |
| 84 | .minimum = 0, |
| 85 | .maximum = 255, |
| 86 | .step = 0x1, |
| 87 | .default_value = 112, |
| 88 | .flags = 0, |
| 89 | }, { |
| 90 | .id = V4L2_CID_HUE, |
| 91 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 92 | .name = "Hue", |
| 93 | .minimum = -128, |
| 94 | .maximum = 127, |
| 95 | .step = 0x1, |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 96 | .default_value = 0, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 97 | .flags = 0, |
| 98 | } |
| 99 | }; |
| 100 | |
| 101 | static int qctl_regs[ARRAY_SIZE(tm6000_qctrl)]; |
| 102 | |
| 103 | static struct tm6000_fmt format[] = { |
| 104 | { |
| 105 | .name = "4:2:2, packed, YVY2", |
| 106 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 107 | .depth = 16, |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 108 | }, { |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 109 | .name = "4:2:2, packed, UYVY", |
| 110 | .fourcc = V4L2_PIX_FMT_UYVY, |
| 111 | .depth = 16, |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 112 | }, { |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 113 | .name = "A/V + VBI mux packet", |
| 114 | .fourcc = V4L2_PIX_FMT_TM6000, |
| 115 | .depth = 16, |
| 116 | } |
| 117 | }; |
| 118 | |
| 119 | static LIST_HEAD(tm6000_corelist); |
| 120 | |
| 121 | /* ------------------------------------------------------------------ |
| 122 | DMA and thread functions |
| 123 | ------------------------------------------------------------------*/ |
| 124 | |
| 125 | #define norm_maxw(a) 720 |
Mauro Carvalho Chehab | 4475c04 | 2007-09-03 21:51:45 -0300 | [diff] [blame] | 126 | #define norm_maxh(a) 576 |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 127 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 128 | #define norm_minw(a) norm_maxw(a) |
| 129 | #define norm_minh(a) norm_maxh(a) |
| 130 | |
| 131 | /* |
| 132 | * video-buf generic routine to get the next available buffer |
| 133 | */ |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame^] | 134 | static inline void get_next_buf(struct tm6000_dmaqueue *dma_q, |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 135 | struct tm6000_buffer **buf) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 136 | { |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 137 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame^] | 138 | char *outp; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 139 | |
| 140 | if (list_empty(&dma_q->active)) { |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 141 | dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n"); |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame^] | 142 | return; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 143 | } |
| 144 | |
| 145 | *buf = list_entry(dma_q->active.next, |
| 146 | struct tm6000_buffer, vb.queue); |
| 147 | |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame^] | 148 | if (!buf) |
| 149 | return; |
| 150 | |
| 151 | /* Cleans up buffer - Usefull for testing for frame/URB loss */ |
| 152 | outp = videobuf_to_vmalloc(&(*buf)->vb); |
| 153 | memset(outp, 0, (*buf)->vb.size); |
| 154 | |
| 155 | return; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 156 | } |
| 157 | |
| 158 | /* |
| 159 | * Announces that a buffer were filled and request the next |
| 160 | */ |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 161 | static inline void buffer_filled(struct tm6000_core *dev, |
| 162 | struct tm6000_dmaqueue *dma_q, |
| 163 | struct tm6000_buffer *buf) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 164 | { |
| 165 | /* Advice that buffer was filled */ |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 166 | dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i); |
Mauro Carvalho Chehab | 47878f1 | 2007-11-15 16:37:35 -0300 | [diff] [blame] | 167 | buf->vb.state = VIDEOBUF_DONE; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 168 | buf->vb.field_count++; |
| 169 | do_gettimeofday(&buf->vb.ts); |
| 170 | |
| 171 | list_del(&buf->vb.queue); |
| 172 | wake_up(&buf->vb.done); |
| 173 | } |
| 174 | |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 175 | const char *tm6000_msg_type[] = { |
| 176 | "unknown(0)", /* 0 */ |
| 177 | "video", /* 1 */ |
| 178 | "audio", /* 2 */ |
| 179 | "vbi", /* 3 */ |
| 180 | "pts", /* 4 */ |
| 181 | "err", /* 5 */ |
| 182 | "unknown(6)", /* 6 */ |
| 183 | "unknown(7)", /* 7 */ |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 184 | }; |
| 185 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 186 | /* |
| 187 | * Identify the tm5600/6000 buffer header type and properly handles |
| 188 | */ |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 189 | static int copy_packet(struct urb *urb, u32 header, u8 **ptr, u8 *endp, |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 190 | u8 *out_p, struct tm6000_buffer **buf) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 191 | { |
| 192 | struct tm6000_dmaqueue *dma_q = urb->context; |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 193 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 194 | u8 c; |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 195 | unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0; |
| 196 | int rc = 0; |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 197 | /* FIXME: move to tm6000-isoc */ |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 198 | static int last_line = -2, start_line = -2, last_field = -2; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 199 | |
| 200 | /* FIXME: this is the hardcoded window size |
| 201 | */ |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 202 | unsigned int linewidth = (*buf)->vb.width << 1; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 203 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 204 | if (!dev->isoc_ctl.cmd) { |
| 205 | c = (header >> 24) & 0xff; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 206 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 207 | /* split the header fields */ |
| 208 | size = (((header & 0x7e) << 1) -1) *4; |
| 209 | block = (header >> 7) & 0xf; |
| 210 | field = (header >> 11) & 0x1; |
| 211 | line = (header >> 12) & 0x1ff; |
| 212 | cmd = (header >> 21) & 0x7; |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 213 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 214 | /* Validates header fields */ |
| 215 | if(size > TM6000_URB_MSG_LEN) |
| 216 | size = TM6000_URB_MSG_LEN; |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 217 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 218 | if (cmd == TM6000_URB_MSG_VIDEO) { |
| 219 | if ((block+1)*TM6000_URB_MSG_LEN>linewidth) |
| 220 | cmd = TM6000_URB_MSG_ERR; |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 221 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 222 | /* FIXME: Mounts the image as field0+field1 |
| 223 | * It should, instead, check if the user selected |
| 224 | * entrelaced or non-entrelaced mode |
| 225 | */ |
| 226 | pos= ((line<<1)+field)*linewidth + |
| 227 | block*TM6000_URB_MSG_LEN; |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 228 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 229 | /* Don't allow to write out of the buffer */ |
| 230 | if (pos+TM6000_URB_MSG_LEN > (*buf)->vb.size) { |
| 231 | dprintk(dev, V4L2_DEBUG_ISOC, |
| 232 | "ERR: size=%d, num=%d, line=%d, " |
| 233 | "field=%d\n", |
| 234 | size, block, line, field); |
| 235 | |
| 236 | cmd = TM6000_URB_MSG_ERR; |
| 237 | } |
| 238 | } else { |
| 239 | pos=0; |
| 240 | } |
| 241 | |
| 242 | /* Prints debug info */ |
| 243 | dprintk(dev, V4L2_DEBUG_ISOC, "size=%d, num=%d, " |
| 244 | " line=%d, field=%d\n", |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 245 | size, block, line, field); |
| 246 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 247 | if ((last_line!=line)&&(last_line+1!=line) && |
| 248 | (cmd != TM6000_URB_MSG_ERR) ) { |
| 249 | if (cmd != TM6000_URB_MSG_VIDEO) { |
| 250 | dprintk(dev, V4L2_DEBUG_ISOC, "cmd=%d, " |
| 251 | "size=%d, num=%d, line=%d, field=%d\n", |
| 252 | cmd, size, block, line, field); |
| 253 | } |
| 254 | if (start_line<0) |
| 255 | start_line=last_line; |
| 256 | /* Prints debug info */ |
| 257 | dprintk(dev, V4L2_DEBUG_ISOC, "lines= %d-%d, " |
| 258 | "field=%d\n", |
| 259 | start_line, last_line, field); |
| 260 | |
| 261 | if ((start_line<6 && last_line>200) && |
| 262 | (last_field != field) ) { |
| 263 | |
| 264 | dev->isoc_ctl.nfields++; |
| 265 | if (dev->isoc_ctl.nfields>=2) { |
| 266 | dev->isoc_ctl.nfields=0; |
| 267 | |
| 268 | /* Announces that a new buffer were filled */ |
| 269 | buffer_filled (dev, dma_q, *buf); |
| 270 | dprintk(dev, V4L2_DEBUG_ISOC, |
| 271 | "new buffer filled\n"); |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame^] | 272 | get_next_buf (dma_q, buf); |
| 273 | if (!*buf) |
| 274 | return rc; |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 275 | } |
| 276 | } |
| 277 | |
| 278 | start_line=line; |
| 279 | last_field=field; |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 280 | } |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 281 | last_line=line; |
| 282 | |
| 283 | pktsize = TM6000_URB_MSG_LEN; |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 284 | } else { |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 285 | /* Continue the last copy */ |
| 286 | cmd = dev->isoc_ctl.cmd; |
| 287 | size= dev->isoc_ctl.size; |
| 288 | pos = dev->isoc_ctl.pos; |
| 289 | pktsize = dev->isoc_ctl.pktsize; |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 290 | } |
| 291 | |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 292 | cpysize = (endp-(*ptr) > size) ? size : endp - *ptr; |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 293 | |
| 294 | if (cpysize) { |
| 295 | /* handles each different URB message */ |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 296 | switch(cmd) { |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 297 | case TM6000_URB_MSG_VIDEO: |
| 298 | /* Fills video buffer */ |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 299 | memcpy(&out_p[pos], *ptr, cpysize); |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 300 | break; |
| 301 | case TM6000_URB_MSG_PTS: |
| 302 | break; |
| 303 | case TM6000_URB_MSG_AUDIO: |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 304 | /* Need some code to process audio */ |
| 305 | printk ("%ld: cmd=%s, size=%d\n", jiffies, |
| 306 | tm6000_msg_type[cmd],size); |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 307 | break; |
| 308 | default: |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 309 | dprintk (dev, V4L2_DEBUG_ISOC, "cmd=%s, size=%d\n", |
| 310 | tm6000_msg_type[cmd],size); |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 311 | } |
| 312 | } |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 313 | if (cpysize<size) { |
| 314 | /* End of URB packet, but cmd processing is not |
| 315 | * complete. Preserve the state for a next packet |
| 316 | */ |
| 317 | dev->isoc_ctl.pos = pos+cpysize; |
| 318 | dev->isoc_ctl.size= size-cpysize; |
| 319 | dev->isoc_ctl.cmd = cmd; |
| 320 | dev->isoc_ctl.pktsize = pktsize-cpysize; |
| 321 | (*ptr)+=cpysize; |
| 322 | } else { |
| 323 | dev->isoc_ctl.cmd = 0; |
| 324 | (*ptr)+=pktsize; |
| 325 | } |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 326 | |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 327 | return rc; |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 328 | } |
| 329 | |
| 330 | static int copy_streams(u8 *data, u8 *out_p, unsigned long len, |
| 331 | struct urb *urb, struct tm6000_buffer **buf) |
| 332 | { |
| 333 | struct tm6000_dmaqueue *dma_q = urb->context; |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 334 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
| 335 | u8 *ptr=data, *endp=data+len; |
| 336 | unsigned long header=0; |
| 337 | int rc=0; |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 338 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 339 | for (ptr=data; ptr<endp;) { |
| 340 | if (!dev->isoc_ctl.cmd) { |
| 341 | u8 *p=(u8 *)&dev->isoc_ctl.tmp_buf; |
| 342 | /* FIXME: This seems very complex |
| 343 | * It just recovers up to 3 bytes of the header that |
| 344 | * might be at the previous packet |
| 345 | */ |
| 346 | if (dev->isoc_ctl.tmp_buf_len) { |
| 347 | while (dev->isoc_ctl.tmp_buf_len) { |
| 348 | if ( *(ptr+3-dev->isoc_ctl.tmp_buf_len) == 0x47) { |
| 349 | break; |
| 350 | } |
| 351 | p++; |
| 352 | dev->isoc_ctl.tmp_buf_len--; |
| 353 | } |
| 354 | if (dev->isoc_ctl.tmp_buf_len) { |
| 355 | memcpy (&header,p, |
| 356 | dev->isoc_ctl.tmp_buf_len); |
| 357 | memcpy (((u8 *)header)+ |
| 358 | dev->isoc_ctl.tmp_buf, |
| 359 | ptr, |
| 360 | 4-dev->isoc_ctl.tmp_buf_len); |
| 361 | ptr+=4-dev->isoc_ctl.tmp_buf_len; |
| 362 | goto HEADER; |
| 363 | } |
| 364 | } |
Mauro Carvalho Chehab | cc6c60d | 2007-09-19 16:24:05 -0300 | [diff] [blame] | 365 | /* Seek for sync */ |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 366 | for (;ptr<endp-3;ptr++) { |
| 367 | if (*(ptr+3)==0x47) |
Mauro Carvalho Chehab | cc6c60d | 2007-09-19 16:24:05 -0300 | [diff] [blame] | 368 | break; |
| 369 | } |
| 370 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 371 | if (ptr+3>=endp) { |
| 372 | dev->isoc_ctl.tmp_buf_len=endp-ptr; |
| 373 | memcpy (&dev->isoc_ctl.tmp_buf,ptr, |
| 374 | dev->isoc_ctl.tmp_buf_len); |
| 375 | dev->isoc_ctl.cmd=0; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 376 | return rc; |
Mauro Carvalho Chehab | cc6c60d | 2007-09-19 16:24:05 -0300 | [diff] [blame] | 377 | } |
Mauro Carvalho Chehab | 6eb5c8a | 2008-01-08 11:25:57 -0300 | [diff] [blame] | 378 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 379 | /* Get message header */ |
| 380 | header=*(unsigned long *)ptr; |
| 381 | ptr+=4; |
| 382 | } |
| 383 | HEADER: |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 384 | /* Copy or continue last copy */ |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 385 | rc=copy_packet(urb,header,&ptr,endp,out_p,buf); |
| 386 | if (rc<0) { |
| 387 | buf=NULL; |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 388 | printk(KERN_ERR "tm6000: buffer underrun at %ld\n", |
| 389 | jiffies); |
| 390 | return rc; |
| 391 | } |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 392 | } |
| 393 | |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 394 | return 0; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 395 | } |
| 396 | /* |
| 397 | * Identify the tm5600/6000 buffer header type and properly handles |
| 398 | */ |
| 399 | static int copy_multiplexed(u8 *ptr, u8 *out_p, unsigned long len, |
| 400 | struct urb *urb, struct tm6000_buffer **buf) |
| 401 | { |
| 402 | struct tm6000_dmaqueue *dma_q = urb->context; |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 403 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
| 404 | unsigned int pos=dev->isoc_ctl.pos,cpysize; |
| 405 | int rc=1; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 406 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 407 | while (len>0) { |
| 408 | cpysize=min(len,(*buf)->vb.size-pos); |
| 409 | //printk("Copying %d bytes (max=%lu) from %p to %p[%u]\n",cpysize,(*buf)->vb.size,ptr,out_p,pos); |
| 410 | memcpy(&out_p[pos], ptr, cpysize); |
| 411 | pos+=cpysize; |
| 412 | ptr+=cpysize; |
| 413 | len-=cpysize; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 414 | if (pos >= (*buf)->vb.size) { |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 415 | pos=0; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 416 | /* Announces that a new buffer were filled */ |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 417 | buffer_filled (dev, dma_q, *buf); |
Mauro Carvalho Chehab | 5f79675 | 2007-08-27 07:55:05 -0300 | [diff] [blame] | 418 | dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame^] | 419 | get_next_buf (dma_q, buf); |
| 420 | if (!*buf) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 421 | break; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 422 | } |
| 423 | } |
| 424 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 425 | dev->isoc_ctl.pos=pos; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 426 | return rc; |
| 427 | } |
| 428 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 429 | static void inline print_err_status (struct tm6000_core *dev, |
| 430 | int packet, int status) |
Mauro Carvalho Chehab | 5f79675 | 2007-08-27 07:55:05 -0300 | [diff] [blame] | 431 | { |
| 432 | char *errmsg = "Unknown"; |
| 433 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 434 | switch(status) { |
Mauro Carvalho Chehab | 5f79675 | 2007-08-27 07:55:05 -0300 | [diff] [blame] | 435 | case -ENOENT: |
| 436 | errmsg = "unlinked synchronuously"; |
| 437 | break; |
| 438 | case -ECONNRESET: |
| 439 | errmsg = "unlinked asynchronuously"; |
| 440 | break; |
| 441 | case -ENOSR: |
| 442 | errmsg = "Buffer error (overrun)"; |
| 443 | break; |
| 444 | case -EPIPE: |
| 445 | errmsg = "Stalled (device not responding)"; |
| 446 | break; |
| 447 | case -EOVERFLOW: |
| 448 | errmsg = "Babble (bad cable?)"; |
| 449 | break; |
| 450 | case -EPROTO: |
| 451 | errmsg = "Bit-stuff error (bad cable?)"; |
| 452 | break; |
| 453 | case -EILSEQ: |
| 454 | errmsg = "CRC/Timeout (could be anything)"; |
| 455 | break; |
| 456 | case -ETIME: |
| 457 | errmsg = "Device does not respond"; |
| 458 | break; |
| 459 | } |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 460 | if (packet<0) { |
Mauro Carvalho Chehab | 5f79675 | 2007-08-27 07:55:05 -0300 | [diff] [blame] | 461 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n", |
| 462 | status, errmsg); |
| 463 | } else { |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 464 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n", |
Mauro Carvalho Chehab | 5f79675 | 2007-08-27 07:55:05 -0300 | [diff] [blame] | 465 | packet, status, errmsg); |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 470 | /* |
| 471 | * Controls the isoc copy of each urb packet |
| 472 | */ |
| 473 | static inline int tm6000_isoc_copy(struct urb *urb, struct tm6000_buffer **buf) |
| 474 | { |
| 475 | struct tm6000_dmaqueue *dma_q = urb->context; |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 476 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
| 477 | void *outp=videobuf_to_vmalloc (&((*buf)->vb)); |
| 478 | int i, len=0, rc=1; |
| 479 | int size=(*buf)->vb.size; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 480 | char *p; |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 481 | unsigned long copied; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 482 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 483 | copied=0; |
| 484 | |
| 485 | if (urb->status<0) { |
| 486 | print_err_status (dev,-1,urb->status); |
Mauro Carvalho Chehab | 5f79675 | 2007-08-27 07:55:05 -0300 | [diff] [blame] | 487 | return 0; |
| 488 | } |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 489 | |
| 490 | for (i = 0; i < urb->number_of_packets; i++) { |
| 491 | int status = urb->iso_frame_desc[i].status; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 492 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 493 | if (status<0) { |
| 494 | print_err_status (dev,i,status); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 495 | continue; |
Mauro Carvalho Chehab | 5f79675 | 2007-08-27 07:55:05 -0300 | [diff] [blame] | 496 | } |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 497 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 498 | len=urb->iso_frame_desc[i].actual_length; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 499 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 500 | // if (len>=TM6000_URB_MSG_LEN) { |
| 501 | p=urb->transfer_buffer + urb->iso_frame_desc[i].offset; |
| 502 | if (!urb->iso_frame_desc[i].status) { |
| 503 | if (((*buf)->fmt->fourcc)==V4L2_PIX_FMT_TM6000) { |
| 504 | rc=copy_multiplexed(p,outp,len,urb,buf); |
| 505 | if (rc<=0) |
| 506 | return rc; |
| 507 | } else { |
| 508 | copy_streams(p,outp,len,urb,buf); |
| 509 | } |
| 510 | } |
| 511 | copied += len; |
| 512 | if (copied>=size) |
| 513 | break; |
| 514 | // } |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 515 | } |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 516 | return rc; |
| 517 | } |
| 518 | |
| 519 | /* ------------------------------------------------------------------ |
| 520 | URB control |
| 521 | ------------------------------------------------------------------*/ |
| 522 | |
| 523 | /* |
| 524 | * IRQ callback, called by URB callback |
| 525 | */ |
| 526 | static void tm6000_irq_callback(struct urb *urb) |
| 527 | { |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame^] | 528 | struct tm6000_buffer *buf = NULL; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 529 | struct tm6000_dmaqueue *dma_q = urb->context; |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 530 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 531 | unsigned long flags; |
| 532 | |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame^] | 533 | if (!dev) |
| 534 | return; |
| 535 | |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 536 | spin_lock_irqsave(&dev->slock, flags); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 537 | |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame^] | 538 | get_next_buf(dma_q, &buf); |
| 539 | if (buf) |
| 540 | tm6000_isoc_copy(urb, &buf); |
| 541 | spin_unlock_irqrestore(&dev->slock, flags); |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 542 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 543 | |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 544 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
| 545 | if (urb->status) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 546 | tm6000_err("urb resubmit failed (error=%i)\n", |
| 547 | urb->status); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 548 | } |
| 549 | |
| 550 | /* |
| 551 | * Stop and Deallocate URBs |
| 552 | */ |
| 553 | static void tm6000_uninit_isoc(struct tm6000_core *dev) |
| 554 | { |
| 555 | struct urb *urb; |
| 556 | int i; |
| 557 | |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 558 | dev->isoc_ctl.nfields = -1; |
| 559 | dev->isoc_ctl.buf = NULL; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 560 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
| 561 | urb=dev->isoc_ctl.urb[i]; |
| 562 | if (urb) { |
| 563 | usb_kill_urb(urb); |
| 564 | usb_unlink_urb(urb); |
| 565 | if (dev->isoc_ctl.transfer_buffer[i]) { |
| 566 | usb_buffer_free(dev->udev, |
| 567 | urb->transfer_buffer_length, |
| 568 | dev->isoc_ctl.transfer_buffer[i], |
| 569 | urb->transfer_dma); |
| 570 | } |
| 571 | usb_free_urb(urb); |
| 572 | dev->isoc_ctl.urb[i] = NULL; |
| 573 | } |
| 574 | dev->isoc_ctl.transfer_buffer[i] = NULL; |
| 575 | } |
| 576 | |
| 577 | kfree (dev->isoc_ctl.urb); |
| 578 | kfree (dev->isoc_ctl.transfer_buffer); |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 579 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 580 | dev->isoc_ctl.urb=NULL; |
| 581 | dev->isoc_ctl.transfer_buffer=NULL; |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 582 | dev->isoc_ctl.num_bufs = 0; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 583 | |
| 584 | dev->isoc_ctl.num_bufs=0; |
| 585 | } |
| 586 | |
| 587 | /* |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 588 | * Allocate URBs and start IRQ |
| 589 | */ |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 590 | static int tm6000_prepare_isoc(struct tm6000_core *dev, unsigned int framesize) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 591 | { |
| 592 | struct tm6000_dmaqueue *dma_q = &dev->vidq; |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 593 | int i, j, sb_size, pipe, size, max_packets, num_bufs = 5; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 594 | struct urb *urb; |
Mauro Carvalho Chehab | 204193d | 2008-01-09 18:12:39 -0300 | [diff] [blame] | 595 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 596 | /* De-allocates all pending stuff */ |
| 597 | tm6000_uninit_isoc(dev); |
| 598 | |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 599 | pipe = usb_rcvisocpipe(dev->udev, |
| 600 | dev->isoc_in->desc.bEndpointAddress & |
| 601 | USB_ENDPOINT_NUMBER_MASK); |
| 602 | |
| 603 | size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); |
| 604 | |
| 605 | if (size > dev->max_isoc_in) |
| 606 | size = dev->max_isoc_in; |
| 607 | |
| 608 | dev->isoc_ctl.max_pkt_size = size; |
| 609 | |
| 610 | max_packets = ( framesize + size - 1) / size; |
| 611 | |
| 612 | if (max_packets > TM6000_MAX_ISO_PACKETS) |
| 613 | max_packets = TM6000_MAX_ISO_PACKETS; |
| 614 | |
| 615 | sb_size = max_packets * size; |
| 616 | |
| 617 | dev->isoc_ctl.num_bufs = num_bufs; |
| 618 | |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 619 | dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 620 | if (!dev->isoc_ctl.urb) { |
| 621 | tm6000_err("cannot alloc memory for usb buffers\n"); |
| 622 | return -ENOMEM; |
| 623 | } |
| 624 | |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 625 | dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 626 | GFP_KERNEL); |
| 627 | if (!dev->isoc_ctl.urb) { |
| 628 | tm6000_err("cannot allocate memory for usbtransfer\n"); |
| 629 | kfree(dev->isoc_ctl.urb); |
| 630 | return -ENOMEM; |
| 631 | } |
| 632 | |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 633 | dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets" |
| 634 | " (%d bytes) of %d bytes each to handle %u size\n", |
| 635 | max_packets, num_bufs, sb_size, |
| 636 | dev->max_isoc_in, size); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 637 | |
| 638 | |
| 639 | /* allocate urbs and transfer buffers */ |
| 640 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
| 641 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); |
| 642 | if (!urb) { |
| 643 | tm6000_err("cannot alloc isoc_ctl.urb %i\n", i); |
| 644 | tm6000_uninit_isoc(dev); |
Mauro Carvalho Chehab | c1a1641 | 2007-10-15 15:43:50 -0300 | [diff] [blame] | 645 | usb_free_urb(urb); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 646 | return -ENOMEM; |
| 647 | } |
| 648 | dev->isoc_ctl.urb[i] = urb; |
| 649 | |
| 650 | dev->isoc_ctl.transfer_buffer[i] = usb_buffer_alloc(dev->udev, |
Mauro Carvalho Chehab | c13dd70 | 2007-09-19 07:36:34 -0300 | [diff] [blame] | 651 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 652 | if (!dev->isoc_ctl.transfer_buffer[i]) { |
| 653 | tm6000_err ("unable to allocate %i bytes for transfer" |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 654 | " buffer %i%s\n", |
| 655 | sb_size, i, |
| 656 | in_interrupt()?" while in int":""); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 657 | tm6000_uninit_isoc(dev); |
| 658 | return -ENOMEM; |
| 659 | } |
| 660 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); |
| 661 | |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 662 | usb_fill_bulk_urb(urb, dev->udev, pipe, |
| 663 | dev->isoc_ctl.transfer_buffer[i], sb_size, |
| 664 | tm6000_irq_callback, dma_q); |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 665 | urb->interval = dev->isoc_in->desc.bInterval; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 666 | urb->number_of_packets = max_packets; |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 667 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 668 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 669 | for (j = 0; j < max_packets; j++) { |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 670 | urb->iso_frame_desc[j].offset = size * j; |
| 671 | urb->iso_frame_desc[j].length = size; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 672 | } |
| 673 | } |
| 674 | |
| 675 | return 0; |
| 676 | } |
| 677 | |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 678 | static int tm6000_start_thread( struct tm6000_core *dev) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 679 | { |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 680 | struct tm6000_dmaqueue *dma_q = &dev->vidq; |
| 681 | int i; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 682 | |
| 683 | dma_q->frame=0; |
| 684 | dma_q->ini_jiffies=jiffies; |
| 685 | |
| 686 | init_waitqueue_head(&dma_q->wq); |
| 687 | |
| 688 | /* submit urbs and enables IRQ */ |
| 689 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 690 | int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 691 | if (rc) { |
| 692 | tm6000_err("submit of urb %i failed (error=%i)\n", i, |
| 693 | rc); |
| 694 | tm6000_uninit_isoc(dev); |
| 695 | return rc; |
| 696 | } |
| 697 | } |
| 698 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 699 | return 0; |
| 700 | } |
| 701 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 702 | /* ------------------------------------------------------------------ |
| 703 | Videobuf operations |
| 704 | ------------------------------------------------------------------*/ |
Michel Ludwig | 95a8382 | 2007-07-24 08:06:45 -0300 | [diff] [blame] | 705 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 706 | static int |
| 707 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) |
| 708 | { |
| 709 | struct tm6000_fh *fh = vq->priv_data; |
| 710 | |
| 711 | *size = fh->fmt->depth * fh->width * fh->height >> 3; |
| 712 | if (0 == *count) |
Michel Ludwig | 95a8382 | 2007-07-24 08:06:45 -0300 | [diff] [blame] | 713 | *count = TM6000_DEF_BUF; |
| 714 | |
| 715 | if (*count < TM6000_MIN_BUF) { |
| 716 | *count=TM6000_MIN_BUF; |
| 717 | } |
| 718 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 719 | while (*size * *count > vid_limit * 1024 * 1024) |
| 720 | (*count)--; |
Michel Ludwig | 95a8382 | 2007-07-24 08:06:45 -0300 | [diff] [blame] | 721 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 722 | return 0; |
| 723 | } |
| 724 | |
| 725 | static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf) |
| 726 | { |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame^] | 727 | struct tm6000_fh *fh = vq->priv_data; |
| 728 | struct tm6000_core *dev = fh->dev; |
| 729 | unsigned long flags; |
| 730 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 731 | if (in_interrupt()) |
| 732 | BUG(); |
| 733 | |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame^] | 734 | /* We used to wait for the buffer to finish here, but this didn't work |
| 735 | because, as we were keeping the state as VIDEOBUF_QUEUED, |
| 736 | videobuf_queue_cancel marked it as finished for us. |
| 737 | (Also, it could wedge forever if the hardware was misconfigured.) |
| 738 | |
| 739 | This should be safe; by the time we get here, the buffer isn't |
| 740 | queued anymore. If we ever start marking the buffers as |
| 741 | VIDEOBUF_ACTIVE, it won't be, though. |
| 742 | */ |
| 743 | spin_lock_irqsave(&dev->slock, flags); |
| 744 | if (dev->isoc_ctl.buf == buf) |
| 745 | dev->isoc_ctl.buf = NULL; |
| 746 | spin_unlock_irqrestore(&dev->slock, flags); |
| 747 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 748 | videobuf_vmalloc_free(&buf->vb); |
Mauro Carvalho Chehab | 47878f1 | 2007-11-15 16:37:35 -0300 | [diff] [blame] | 749 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 750 | } |
| 751 | |
| 752 | static int |
| 753 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, |
| 754 | enum v4l2_field field) |
| 755 | { |
| 756 | struct tm6000_fh *fh = vq->priv_data; |
| 757 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); |
| 758 | struct tm6000_core *dev = fh->dev; |
Mauro Carvalho Chehab | 204193d | 2008-01-09 18:12:39 -0300 | [diff] [blame] | 759 | int rc = 0, urb_init = 0; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 760 | |
| 761 | BUG_ON(NULL == fh->fmt); |
| 762 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 763 | |
| 764 | /* FIXME: It assumes depth=2 */ |
| 765 | /* The only currently supported format is 16 bits/pixel */ |
| 766 | buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3; |
| 767 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) |
| 768 | return -EINVAL; |
| 769 | |
| 770 | if (buf->fmt != fh->fmt || |
| 771 | buf->vb.width != fh->width || |
| 772 | buf->vb.height != fh->height || |
| 773 | buf->vb.field != field) { |
| 774 | buf->fmt = fh->fmt; |
| 775 | buf->vb.width = fh->width; |
| 776 | buf->vb.height = fh->height; |
| 777 | buf->vb.field = field; |
Mauro Carvalho Chehab | 47878f1 | 2007-11-15 16:37:35 -0300 | [diff] [blame] | 778 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 779 | } |
| 780 | |
Mauro Carvalho Chehab | 47878f1 | 2007-11-15 16:37:35 -0300 | [diff] [blame] | 781 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 782 | if (0 != (rc = videobuf_iolock(vq, &buf->vb, NULL))) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 783 | goto fail; |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 784 | urb_init = 1; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 785 | } |
| 786 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 787 | if (!dev->isoc_ctl.num_bufs) |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 788 | urb_init = 1; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 789 | |
| 790 | if (urb_init) { |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 791 | rc = tm6000_prepare_isoc(dev, buf->vb.size); |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 792 | if (rc < 0) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 793 | goto fail; |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 794 | |
| 795 | rc = tm6000_start_thread(dev); |
| 796 | if (rc < 0) |
| 797 | goto fail; |
| 798 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 799 | } |
| 800 | |
Mauro Carvalho Chehab | 47878f1 | 2007-11-15 16:37:35 -0300 | [diff] [blame] | 801 | buf->vb.state = VIDEOBUF_PREPARED; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 802 | return 0; |
| 803 | |
| 804 | fail: |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 805 | free_buffer(vq, buf); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 806 | return rc; |
| 807 | } |
| 808 | |
| 809 | static void |
| 810 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) |
| 811 | { |
| 812 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); |
| 813 | struct tm6000_fh *fh = vq->priv_data; |
| 814 | struct tm6000_core *dev = fh->dev; |
| 815 | struct tm6000_dmaqueue *vidq = &dev->vidq; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 816 | |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 817 | buf->vb.state = VIDEOBUF_QUEUED; |
| 818 | list_add_tail(&buf->vb.queue, &vidq->active); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 819 | } |
| 820 | |
| 821 | static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) |
| 822 | { |
| 823 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 824 | |
| 825 | free_buffer(vq,buf); |
| 826 | } |
| 827 | |
| 828 | static struct videobuf_queue_ops tm6000_video_qops = { |
| 829 | .buf_setup = buffer_setup, |
| 830 | .buf_prepare = buffer_prepare, |
| 831 | .buf_queue = buffer_queue, |
| 832 | .buf_release = buffer_release, |
| 833 | }; |
| 834 | |
| 835 | /* ------------------------------------------------------------------ |
| 836 | IOCTL handling |
| 837 | ------------------------------------------------------------------*/ |
| 838 | |
| 839 | static int res_get(struct tm6000_core *dev, struct tm6000_fh *fh) |
| 840 | { |
| 841 | /* is it free? */ |
| 842 | mutex_lock(&dev->lock); |
| 843 | if (dev->resources) { |
| 844 | /* no, someone else uses it */ |
| 845 | mutex_unlock(&dev->lock); |
| 846 | return 0; |
| 847 | } |
| 848 | /* it's free, grab it */ |
| 849 | dev->resources =1; |
| 850 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); |
| 851 | mutex_unlock(&dev->lock); |
| 852 | return 1; |
| 853 | } |
| 854 | |
| 855 | static int res_locked(struct tm6000_core *dev) |
| 856 | { |
| 857 | return (dev->resources); |
| 858 | } |
| 859 | |
| 860 | static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh) |
| 861 | { |
| 862 | mutex_lock(&dev->lock); |
| 863 | dev->resources = 0; |
| 864 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n"); |
| 865 | mutex_unlock(&dev->lock); |
| 866 | } |
| 867 | |
| 868 | /* ------------------------------------------------------------------ |
| 869 | IOCTL vidioc handling |
| 870 | ------------------------------------------------------------------*/ |
| 871 | static int vidioc_querycap (struct file *file, void *priv, |
| 872 | struct v4l2_capability *cap) |
| 873 | { |
| 874 | // struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; |
| 875 | |
| 876 | strlcpy(cap->driver, "tm6000", sizeof(cap->driver)); |
| 877 | strlcpy(cap->card,"Trident TVMaster TM5600/6000", sizeof(cap->card)); |
| 878 | // strlcpy(cap->bus_info, dev->udev->dev.bus_id, sizeof(cap->bus_info)); |
| 879 | cap->version = TM6000_VERSION; |
| 880 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | |
| 881 | V4L2_CAP_STREAMING | |
| 882 | V4L2_CAP_TUNER | |
| 883 | V4L2_CAP_READWRITE; |
| 884 | return 0; |
| 885 | } |
| 886 | |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 887 | static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 888 | struct v4l2_fmtdesc *f) |
| 889 | { |
| 890 | if (unlikely(f->index >= ARRAY_SIZE(format))) |
| 891 | return -EINVAL; |
| 892 | |
| 893 | strlcpy(f->description,format[f->index].name,sizeof(f->description)); |
| 894 | f->pixelformat = format[f->index].fourcc; |
| 895 | return 0; |
| 896 | } |
| 897 | |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 898 | static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 899 | struct v4l2_format *f) |
| 900 | { |
| 901 | struct tm6000_fh *fh=priv; |
| 902 | |
| 903 | f->fmt.pix.width = fh->width; |
| 904 | f->fmt.pix.height = fh->height; |
| 905 | f->fmt.pix.field = fh->vb_vidq.field; |
| 906 | f->fmt.pix.pixelformat = fh->fmt->fourcc; |
| 907 | f->fmt.pix.bytesperline = |
| 908 | (f->fmt.pix.width * fh->fmt->depth) >> 3; |
| 909 | f->fmt.pix.sizeimage = |
| 910 | f->fmt.pix.height * f->fmt.pix.bytesperline; |
| 911 | |
| 912 | return (0); |
| 913 | } |
| 914 | |
| 915 | static struct tm6000_fmt* format_by_fourcc(unsigned int fourcc) |
| 916 | { |
| 917 | unsigned int i; |
| 918 | |
| 919 | for (i = 0; i < ARRAY_SIZE(format); i++) |
| 920 | if (format[i].fourcc == fourcc) |
| 921 | return format+i; |
| 922 | return NULL; |
| 923 | } |
| 924 | |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 925 | static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 926 | struct v4l2_format *f) |
| 927 | { |
| 928 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; |
| 929 | struct tm6000_fmt *fmt; |
| 930 | enum v4l2_field field; |
| 931 | |
| 932 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| 933 | if (NULL == fmt) { |
| 934 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)" |
| 935 | " invalid.\n", f->fmt.pix.pixelformat); |
| 936 | return -EINVAL; |
| 937 | } |
| 938 | |
| 939 | field = f->fmt.pix.field; |
| 940 | |
| 941 | if (field == V4L2_FIELD_ANY) { |
| 942 | // field=V4L2_FIELD_INTERLACED; |
| 943 | field=V4L2_FIELD_SEQ_TB; |
| 944 | } else if (V4L2_FIELD_INTERLACED != field) { |
| 945 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n"); |
| 946 | return -EINVAL; |
| 947 | } |
| 948 | |
Mauro Carvalho Chehab | 4475c04 | 2007-09-03 21:51:45 -0300 | [diff] [blame] | 949 | tm6000_get_std_res (dev); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 950 | |
Mauro Carvalho Chehab | 4475c04 | 2007-09-03 21:51:45 -0300 | [diff] [blame] | 951 | f->fmt.pix.width = dev->width; |
| 952 | f->fmt.pix.height = dev->height; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 953 | |
| 954 | f->fmt.pix.width &= ~0x01; |
| 955 | |
| 956 | f->fmt.pix.field = field; |
| 957 | |
| 958 | f->fmt.pix.bytesperline = |
| 959 | (f->fmt.pix.width * fmt->depth) >> 3; |
| 960 | f->fmt.pix.sizeimage = |
| 961 | f->fmt.pix.height * f->fmt.pix.bytesperline; |
| 962 | |
| 963 | return 0; |
| 964 | } |
| 965 | |
| 966 | /*FIXME: This seems to be generic enough to be at videodev2 */ |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 967 | static int vidioc_s_fmt_vid_cap (struct file *file, void *priv, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 968 | struct v4l2_format *f) |
| 969 | { |
| 970 | struct tm6000_fh *fh=priv; |
| 971 | struct tm6000_core *dev = fh->dev; |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 972 | int ret = vidioc_try_fmt_vid_cap(file,fh,f); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 973 | if (ret < 0) |
| 974 | return (ret); |
| 975 | |
| 976 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| 977 | fh->width = f->fmt.pix.width; |
| 978 | fh->height = f->fmt.pix.height; |
| 979 | fh->vb_vidq.field = f->fmt.pix.field; |
| 980 | fh->type = f->type; |
| 981 | |
| 982 | dev->fourcc = f->fmt.pix.pixelformat; |
| 983 | |
| 984 | tm6000_set_fourcc_format(dev); |
| 985 | |
| 986 | return (0); |
| 987 | } |
| 988 | |
| 989 | static int vidioc_reqbufs (struct file *file, void *priv, |
| 990 | struct v4l2_requestbuffers *p) |
| 991 | { |
| 992 | struct tm6000_fh *fh=priv; |
| 993 | |
| 994 | return (videobuf_reqbufs(&fh->vb_vidq, p)); |
| 995 | } |
| 996 | |
| 997 | static int vidioc_querybuf (struct file *file, void *priv, |
| 998 | struct v4l2_buffer *p) |
| 999 | { |
| 1000 | struct tm6000_fh *fh=priv; |
| 1001 | |
| 1002 | return (videobuf_querybuf(&fh->vb_vidq, p)); |
| 1003 | } |
| 1004 | |
| 1005 | static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) |
| 1006 | { |
| 1007 | struct tm6000_fh *fh=priv; |
| 1008 | |
| 1009 | return (videobuf_qbuf(&fh->vb_vidq, p)); |
| 1010 | } |
| 1011 | |
| 1012 | static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) |
| 1013 | { |
| 1014 | struct tm6000_fh *fh=priv; |
| 1015 | |
| 1016 | return (videobuf_dqbuf(&fh->vb_vidq, p, |
| 1017 | file->f_flags & O_NONBLOCK)); |
| 1018 | } |
| 1019 | |
| 1020 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 1021 | static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf) |
| 1022 | { |
| 1023 | struct tm6000_fh *fh=priv; |
| 1024 | |
| 1025 | return videobuf_cgmbuf (&fh->vb_vidq, mbuf, 8); |
| 1026 | } |
| 1027 | #endif |
| 1028 | |
| 1029 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
| 1030 | { |
| 1031 | struct tm6000_fh *fh=priv; |
| 1032 | struct tm6000_core *dev = fh->dev; |
| 1033 | |
| 1034 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1035 | return -EINVAL; |
| 1036 | if (i != fh->type) |
| 1037 | return -EINVAL; |
| 1038 | |
| 1039 | if (!res_get(dev,fh)) |
| 1040 | return -EBUSY; |
| 1041 | return (videobuf_streamon(&fh->vb_vidq)); |
| 1042 | } |
| 1043 | |
| 1044 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) |
| 1045 | { |
| 1046 | struct tm6000_fh *fh=priv; |
| 1047 | struct tm6000_core *dev = fh->dev; |
| 1048 | |
| 1049 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1050 | return -EINVAL; |
| 1051 | if (i != fh->type) |
| 1052 | return -EINVAL; |
| 1053 | |
| 1054 | videobuf_streamoff(&fh->vb_vidq); |
| 1055 | res_free(dev,fh); |
| 1056 | |
| 1057 | return (0); |
| 1058 | } |
| 1059 | |
| 1060 | static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm) |
| 1061 | { |
| 1062 | int rc=0; |
| 1063 | struct tm6000_fh *fh=priv; |
| 1064 | struct tm6000_core *dev = fh->dev; |
| 1065 | |
| 1066 | rc=tm6000_set_standard (dev, norm); |
Mauro Carvalho Chehab | 71e7cfa | 2007-09-06 20:12:10 -0300 | [diff] [blame] | 1067 | |
| 1068 | fh->width = dev->width; |
| 1069 | fh->height = dev->height; |
| 1070 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1071 | if (rc<0) |
| 1072 | return rc; |
| 1073 | |
| 1074 | tm6000_i2c_call_clients(dev, VIDIOC_S_STD, &dev->norm); |
| 1075 | |
| 1076 | return 0; |
| 1077 | } |
| 1078 | |
| 1079 | static int vidioc_enum_input (struct file *file, void *priv, |
| 1080 | struct v4l2_input *inp) |
| 1081 | { |
| 1082 | switch (inp->index) { |
| 1083 | case TM6000_INPUT_TV: |
| 1084 | inp->type = V4L2_INPUT_TYPE_TUNER; |
| 1085 | strcpy(inp->name,"Television"); |
| 1086 | break; |
| 1087 | case TM6000_INPUT_COMPOSITE: |
| 1088 | inp->type = V4L2_INPUT_TYPE_CAMERA; |
| 1089 | strcpy(inp->name,"Composite"); |
| 1090 | break; |
| 1091 | case TM6000_INPUT_SVIDEO: |
| 1092 | inp->type = V4L2_INPUT_TYPE_CAMERA; |
| 1093 | strcpy(inp->name,"S-Video"); |
| 1094 | break; |
| 1095 | default: |
| 1096 | return -EINVAL; |
| 1097 | } |
| 1098 | inp->std = TM6000_STD; |
| 1099 | |
| 1100 | return 0; |
| 1101 | } |
| 1102 | |
| 1103 | static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) |
| 1104 | { |
| 1105 | struct tm6000_fh *fh=priv; |
| 1106 | struct tm6000_core *dev = fh->dev; |
| 1107 | |
| 1108 | *i=dev->input; |
| 1109 | |
| 1110 | return 0; |
| 1111 | } |
| 1112 | static int vidioc_s_input (struct file *file, void *priv, unsigned int i) |
| 1113 | { |
| 1114 | struct tm6000_fh *fh=priv; |
| 1115 | struct tm6000_core *dev = fh->dev; |
| 1116 | int rc=0; |
| 1117 | char buf[1]; |
| 1118 | |
| 1119 | switch (i) { |
| 1120 | case TM6000_INPUT_TV: |
| 1121 | dev->input=i; |
| 1122 | *buf=0; |
| 1123 | break; |
| 1124 | case TM6000_INPUT_COMPOSITE: |
| 1125 | case TM6000_INPUT_SVIDEO: |
| 1126 | dev->input=i; |
| 1127 | *buf=1; |
| 1128 | break; |
| 1129 | default: |
| 1130 | return -EINVAL; |
| 1131 | } |
| 1132 | rc=tm6000_read_write_usb (dev, USB_DIR_OUT | USB_TYPE_VENDOR, |
| 1133 | REQ_03_SET_GET_MCU_PIN, 0x03, 1, buf, 1); |
| 1134 | |
| 1135 | if (!rc) { |
| 1136 | dev->input=i; |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1137 | rc=vidioc_s_std (file, priv, &dev->vfd->current_norm); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1138 | } |
| 1139 | |
| 1140 | return (rc); |
| 1141 | } |
| 1142 | |
| 1143 | /* --- controls ---------------------------------------------- */ |
| 1144 | static int vidioc_queryctrl (struct file *file, void *priv, |
| 1145 | struct v4l2_queryctrl *qc) |
| 1146 | { |
| 1147 | int i; |
| 1148 | |
| 1149 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) |
| 1150 | if (qc->id && qc->id == tm6000_qctrl[i].id) { |
| 1151 | memcpy(qc, &(tm6000_qctrl[i]), |
| 1152 | sizeof(*qc)); |
| 1153 | return (0); |
| 1154 | } |
| 1155 | |
| 1156 | return -EINVAL; |
| 1157 | } |
| 1158 | |
| 1159 | static int vidioc_g_ctrl (struct file *file, void *priv, |
| 1160 | struct v4l2_control *ctrl) |
| 1161 | { |
| 1162 | struct tm6000_fh *fh=priv; |
| 1163 | struct tm6000_core *dev = fh->dev; |
| 1164 | int val; |
| 1165 | |
| 1166 | /* FIXME: Probably, those won't work! Maybe we need shadow regs */ |
| 1167 | switch (ctrl->id) { |
| 1168 | case V4L2_CID_CONTRAST: |
| 1169 | val=tm6000_get_reg (dev, REQ_07_SET_GET_AVREG, 0x08, 0); |
| 1170 | break; |
| 1171 | case V4L2_CID_BRIGHTNESS: |
| 1172 | val=tm6000_get_reg (dev, REQ_07_SET_GET_AVREG, 0x09, 0); |
| 1173 | return 0; |
| 1174 | case V4L2_CID_SATURATION: |
| 1175 | val=tm6000_get_reg (dev, REQ_07_SET_GET_AVREG, 0x0a, 0); |
| 1176 | return 0; |
| 1177 | case V4L2_CID_HUE: |
| 1178 | val=tm6000_get_reg (dev, REQ_07_SET_GET_AVREG, 0x0b, 0); |
| 1179 | return 0; |
| 1180 | default: |
| 1181 | return -EINVAL; |
| 1182 | } |
| 1183 | |
| 1184 | if (val<0) |
| 1185 | return val; |
| 1186 | |
| 1187 | ctrl->value=val; |
| 1188 | |
| 1189 | return 0; |
| 1190 | } |
| 1191 | static int vidioc_s_ctrl (struct file *file, void *priv, |
| 1192 | struct v4l2_control *ctrl) |
| 1193 | { |
| 1194 | struct tm6000_fh *fh =priv; |
| 1195 | struct tm6000_core *dev = fh->dev; |
| 1196 | u8 val=ctrl->value; |
| 1197 | |
| 1198 | switch (ctrl->id) { |
| 1199 | case V4L2_CID_CONTRAST: |
| 1200 | tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x08, val); |
| 1201 | return 0; |
| 1202 | case V4L2_CID_BRIGHTNESS: |
| 1203 | tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x09, val); |
| 1204 | return 0; |
| 1205 | case V4L2_CID_SATURATION: |
| 1206 | tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x0a, val); |
| 1207 | return 0; |
| 1208 | case V4L2_CID_HUE: |
| 1209 | tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x0b, val); |
| 1210 | return 0; |
| 1211 | } |
| 1212 | return -EINVAL; |
| 1213 | } |
| 1214 | |
| 1215 | static int vidioc_g_tuner (struct file *file, void *priv, |
| 1216 | struct v4l2_tuner *t) |
| 1217 | { |
| 1218 | struct tm6000_fh *fh =priv; |
| 1219 | struct tm6000_core *dev = fh->dev; |
| 1220 | |
| 1221 | if (unlikely(UNSET == dev->tuner_type)) |
| 1222 | return -EINVAL; |
| 1223 | if (0 != t->index) |
| 1224 | return -EINVAL; |
| 1225 | |
| 1226 | strcpy(t->name, "Television"); |
| 1227 | t->type = V4L2_TUNER_ANALOG_TV; |
| 1228 | t->capability = V4L2_TUNER_CAP_NORM; |
| 1229 | t->rangehigh = 0xffffffffUL; |
| 1230 | t->rxsubchans = V4L2_TUNER_SUB_MONO; |
| 1231 | |
| 1232 | return 0; |
| 1233 | } |
| 1234 | |
| 1235 | static int vidioc_s_tuner (struct file *file, void *priv, |
| 1236 | struct v4l2_tuner *t) |
| 1237 | { |
| 1238 | struct tm6000_fh *fh =priv; |
| 1239 | struct tm6000_core *dev = fh->dev; |
| 1240 | |
| 1241 | if (UNSET == dev->tuner_type) |
| 1242 | return -EINVAL; |
| 1243 | if (0 != t->index) |
| 1244 | return -EINVAL; |
| 1245 | |
| 1246 | return 0; |
| 1247 | } |
| 1248 | |
| 1249 | static int vidioc_g_frequency (struct file *file, void *priv, |
| 1250 | struct v4l2_frequency *f) |
| 1251 | { |
| 1252 | struct tm6000_fh *fh =priv; |
| 1253 | struct tm6000_core *dev = fh->dev; |
| 1254 | |
| 1255 | if (unlikely(UNSET == dev->tuner_type)) |
| 1256 | return -EINVAL; |
| 1257 | |
| 1258 | f->type = V4L2_TUNER_ANALOG_TV; |
| 1259 | f->frequency = dev->freq; |
| 1260 | |
| 1261 | tm6000_i2c_call_clients(dev,VIDIOC_G_FREQUENCY,f); |
| 1262 | |
| 1263 | return 0; |
| 1264 | } |
| 1265 | |
| 1266 | static int vidioc_s_frequency (struct file *file, void *priv, |
| 1267 | struct v4l2_frequency *f) |
| 1268 | { |
| 1269 | struct tm6000_fh *fh =priv; |
| 1270 | struct tm6000_core *dev = fh->dev; |
| 1271 | |
| 1272 | if (unlikely(f->type != V4L2_TUNER_ANALOG_TV)) |
| 1273 | return -EINVAL; |
| 1274 | |
| 1275 | if (unlikely(UNSET == dev->tuner_type)) |
| 1276 | return -EINVAL; |
| 1277 | if (unlikely(f->tuner != 0)) |
| 1278 | return -EINVAL; |
| 1279 | |
| 1280 | // mutex_lock(&dev->lock); |
| 1281 | dev->freq = f->frequency; |
| 1282 | tm6000_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f); |
| 1283 | // mutex_unlock(&dev->lock); |
| 1284 | |
| 1285 | return 0; |
| 1286 | } |
| 1287 | |
| 1288 | /* ------------------------------------------------------------------ |
| 1289 | File operations for the device |
| 1290 | ------------------------------------------------------------------*/ |
| 1291 | |
| 1292 | static int tm6000_open(struct inode *inode, struct file *file) |
| 1293 | { |
| 1294 | int minor = iminor(inode); |
| 1295 | struct tm6000_core *h,*dev = NULL; |
| 1296 | struct tm6000_fh *fh; |
| 1297 | struct list_head *list; |
| 1298 | enum v4l2_buf_type type = 0; |
| 1299 | int i,rc; |
| 1300 | |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1301 | printk(KERN_INFO "tm6000: open called (minor=%d)\n",minor); |
| 1302 | |
| 1303 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1304 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called " |
| 1305 | "(minor=%d)\n",minor); |
| 1306 | |
| 1307 | list_for_each(list,&tm6000_corelist) { |
| 1308 | h = list_entry(list, struct tm6000_core, tm6000_corelist); |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1309 | if (h->vfd->minor == minor) { |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1310 | dev = h; |
| 1311 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 1312 | } |
| 1313 | } |
| 1314 | if (NULL == dev) |
| 1315 | return -ENODEV; |
| 1316 | |
| 1317 | |
| 1318 | /* If more than one user, mutex should be added */ |
| 1319 | dev->users++; |
| 1320 | |
| 1321 | dprintk(dev, V4L2_DEBUG_OPEN, "open minor=%d type=%s users=%d\n", |
| 1322 | minor,v4l2_type_names[type],dev->users); |
| 1323 | |
| 1324 | /* allocate + initialize per filehandle data */ |
| 1325 | fh = kzalloc(sizeof(*fh),GFP_KERNEL); |
| 1326 | if (NULL == fh) { |
| 1327 | dev->users--; |
| 1328 | return -ENOMEM; |
| 1329 | } |
| 1330 | |
| 1331 | file->private_data = fh; |
| 1332 | fh->dev = dev; |
| 1333 | |
| 1334 | fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 1335 | dev->fourcc = format[0].fourcc; |
| 1336 | |
| 1337 | fh->fmt = format_by_fourcc(dev->fourcc); |
Mauro Carvalho Chehab | 4475c04 | 2007-09-03 21:51:45 -0300 | [diff] [blame] | 1338 | |
| 1339 | tm6000_get_std_res (dev); |
| 1340 | |
| 1341 | fh->width = dev->width; |
| 1342 | fh->height = dev->height; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1343 | |
| 1344 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, " |
| 1345 | "dev->vidq=0x%08lx\n", |
| 1346 | (unsigned long)fh,(unsigned long)dev,(unsigned long)&dev->vidq); |
| 1347 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " |
| 1348 | "queued=%d\n",list_empty(&dev->vidq.queued)); |
| 1349 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " |
| 1350 | "active=%d\n",list_empty(&dev->vidq.active)); |
| 1351 | |
| 1352 | /* initialize hardware on analog mode */ |
| 1353 | if (dev->mode!=TM6000_MODE_ANALOG) { |
| 1354 | rc=tm6000_init_analog_mode (dev); |
| 1355 | if (rc<0) |
| 1356 | return rc; |
| 1357 | |
| 1358 | /* Put all controls at a sane state */ |
| 1359 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) |
| 1360 | qctl_regs[i] =tm6000_qctrl[i].default_value; |
| 1361 | |
| 1362 | dev->mode=TM6000_MODE_ANALOG; |
| 1363 | } |
| 1364 | |
| 1365 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops, |
| 1366 | NULL, &dev->slock, |
| 1367 | fh->type, |
| 1368 | V4L2_FIELD_INTERLACED, |
| 1369 | sizeof(struct tm6000_buffer),fh); |
| 1370 | |
| 1371 | return 0; |
| 1372 | } |
| 1373 | |
| 1374 | static ssize_t |
| 1375 | tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) |
| 1376 | { |
| 1377 | struct tm6000_fh *fh = file->private_data; |
| 1378 | |
| 1379 | if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
| 1380 | if (res_locked(fh->dev)) |
| 1381 | return -EBUSY; |
| 1382 | |
| 1383 | return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0, |
| 1384 | file->f_flags & O_NONBLOCK); |
| 1385 | } |
| 1386 | return 0; |
| 1387 | } |
| 1388 | |
| 1389 | static unsigned int |
| 1390 | tm6000_poll(struct file *file, struct poll_table_struct *wait) |
| 1391 | { |
| 1392 | struct tm6000_fh *fh = file->private_data; |
| 1393 | struct tm6000_buffer *buf; |
| 1394 | |
| 1395 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) |
| 1396 | return POLLERR; |
| 1397 | |
| 1398 | if (res_get(fh->dev,fh)) { |
| 1399 | /* streaming capture */ |
| 1400 | if (list_empty(&fh->vb_vidq.stream)) |
| 1401 | return POLLERR; |
| 1402 | buf = list_entry(fh->vb_vidq.stream.next,struct tm6000_buffer,vb.stream); |
| 1403 | } else { |
| 1404 | /* read() capture */ |
Mauro Carvalho Chehab | dc6a02a | 2007-08-27 07:55:38 -0300 | [diff] [blame] | 1405 | return videobuf_poll_stream(file, &fh->vb_vidq, |
| 1406 | wait); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1407 | } |
| 1408 | poll_wait(file, &buf->vb.done, wait); |
Mauro Carvalho Chehab | 47878f1 | 2007-11-15 16:37:35 -0300 | [diff] [blame] | 1409 | if (buf->vb.state == VIDEOBUF_DONE || |
| 1410 | buf->vb.state == VIDEOBUF_ERROR) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1411 | return POLLIN|POLLRDNORM; |
| 1412 | return 0; |
| 1413 | } |
| 1414 | |
| 1415 | static int tm6000_release(struct inode *inode, struct file *file) |
| 1416 | { |
| 1417 | struct tm6000_fh *fh = file->private_data; |
| 1418 | struct tm6000_core *dev = fh->dev; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1419 | int minor = iminor(inode); |
| 1420 | |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1421 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (minor=%d, users=%d)\n",minor,dev->users); |
| 1422 | |
Mauro Carvalho Chehab | a58d35c | 2007-06-17 17:14:12 -0300 | [diff] [blame] | 1423 | dev->users--; |
| 1424 | |
| 1425 | if (!dev->users) { |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 1426 | tm6000_uninit_isoc(dev); |
Mauro Carvalho Chehab | a58d35c | 2007-06-17 17:14:12 -0300 | [diff] [blame] | 1427 | videobuf_mmap_free(&fh->vb_vidq); |
| 1428 | } |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1429 | |
| 1430 | kfree (fh); |
| 1431 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1432 | return 0; |
| 1433 | } |
| 1434 | |
| 1435 | static int tm6000_mmap(struct file *file, struct vm_area_struct * vma) |
| 1436 | { |
| 1437 | struct tm6000_fh *fh = file->private_data; |
| 1438 | int ret; |
| 1439 | |
| 1440 | ret=videobuf_mmap_mapper(&fh->vb_vidq, vma); |
| 1441 | |
| 1442 | return ret; |
| 1443 | } |
| 1444 | |
| 1445 | static struct file_operations tm6000_fops = { |
| 1446 | .owner = THIS_MODULE, |
| 1447 | .open = tm6000_open, |
| 1448 | .release = tm6000_release, |
| 1449 | .ioctl = video_ioctl2, /* V4L2 ioctl handler */ |
| 1450 | .read = tm6000_read, |
| 1451 | .poll = tm6000_poll, |
| 1452 | .mmap = tm6000_mmap, |
| 1453 | .llseek = no_llseek, |
| 1454 | }; |
| 1455 | |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 1456 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
| 1457 | .vidioc_querycap = vidioc_querycap, |
| 1458 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
| 1459 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, |
| 1460 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, |
| 1461 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, |
| 1462 | .vidioc_s_std = vidioc_s_std, |
| 1463 | .vidioc_enum_input = vidioc_enum_input, |
| 1464 | .vidioc_g_input = vidioc_g_input, |
| 1465 | .vidioc_s_input = vidioc_s_input, |
| 1466 | .vidioc_queryctrl = vidioc_queryctrl, |
| 1467 | .vidioc_g_ctrl = vidioc_g_ctrl, |
| 1468 | .vidioc_s_ctrl = vidioc_s_ctrl, |
| 1469 | .vidioc_g_tuner = vidioc_g_tuner, |
| 1470 | .vidioc_s_tuner = vidioc_s_tuner, |
| 1471 | .vidioc_g_frequency = vidioc_g_frequency, |
| 1472 | .vidioc_s_frequency = vidioc_s_frequency, |
| 1473 | .vidioc_streamon = vidioc_streamon, |
| 1474 | .vidioc_streamoff = vidioc_streamoff, |
| 1475 | .vidioc_reqbufs = vidioc_reqbufs, |
| 1476 | .vidioc_querybuf = vidioc_querybuf, |
| 1477 | .vidioc_qbuf = vidioc_qbuf, |
| 1478 | .vidioc_dqbuf = vidioc_dqbuf, |
| 1479 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 1480 | .vidiocgmbuf = vidiocgmbuf, |
| 1481 | #endif |
| 1482 | }; |
| 1483 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1484 | static struct video_device tm6000_template = { |
| 1485 | .name = "tm6000", |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1486 | .fops = &tm6000_fops, |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 1487 | .ioctl_ops = &video_ioctl_ops, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1488 | .minor = -1, |
| 1489 | .release = video_device_release, |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 1490 | .tvnorms = TM6000_STD, |
| 1491 | .current_norm = V4L2_STD_NTSC_M, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1492 | }; |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 1493 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1494 | /* ----------------------------------------------------------------- |
| 1495 | Initialization and module stuff |
| 1496 | ------------------------------------------------------------------*/ |
| 1497 | |
| 1498 | int tm6000_v4l2_register(struct tm6000_core *dev) |
| 1499 | { |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1500 | int ret = -1; |
| 1501 | struct video_device *vfd; |
| 1502 | |
| 1503 | vfd = video_device_alloc(); |
| 1504 | if(!vfd) { |
| 1505 | return -ENOMEM; |
| 1506 | } |
| 1507 | dev->vfd = vfd; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1508 | |
| 1509 | list_add_tail(&dev->tm6000_corelist,&tm6000_corelist); |
| 1510 | |
| 1511 | /* init video dma queues */ |
| 1512 | INIT_LIST_HEAD(&dev->vidq.active); |
| 1513 | INIT_LIST_HEAD(&dev->vidq.queued); |
| 1514 | |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1515 | memcpy (dev->vfd, &tm6000_template, sizeof(*(dev->vfd))); |
| 1516 | dev->vfd->debug=tm6000_debug; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1517 | |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1518 | ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1519 | printk(KERN_INFO "Trident TVMaster TM5600/TM6000 USB2 board (Load status: %d)\n", ret); |
| 1520 | return ret; |
| 1521 | } |
| 1522 | |
| 1523 | int tm6000_v4l2_unregister(struct tm6000_core *dev) |
| 1524 | { |
| 1525 | struct tm6000_core *h; |
Michel Ludwig | 22927e8 | 2007-06-14 17:19:59 -0300 | [diff] [blame] | 1526 | struct list_head *pos, *tmp; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1527 | |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1528 | video_unregister_device(dev->vfd); |
Michel Ludwig | 22927e8 | 2007-06-14 17:19:59 -0300 | [diff] [blame] | 1529 | |
| 1530 | list_for_each_safe(pos, tmp, &tm6000_corelist) { |
| 1531 | h = list_entry(pos, struct tm6000_core, tm6000_corelist); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1532 | if (h == dev) { |
Michel Ludwig | 8c9d26f | 2007-06-15 11:02:56 -0300 | [diff] [blame] | 1533 | list_del(pos); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1534 | } |
| 1535 | } |
| 1536 | |
| 1537 | return 0; |
| 1538 | } |
| 1539 | |
| 1540 | int tm6000_v4l2_exit(void) |
| 1541 | { |
| 1542 | return 0; |
| 1543 | } |
| 1544 | |
| 1545 | module_param(video_nr, int, 0); |
| 1546 | MODULE_PARM_DESC(video_nr,"Allow changing video device number"); |
| 1547 | |
| 1548 | module_param_named (debug, tm6000_debug, int, 0444); |
| 1549 | MODULE_PARM_DESC(debug,"activates debug info"); |
| 1550 | |
| 1551 | module_param(vid_limit,int,0644); |
| 1552 | MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); |
| 1553 | |