Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1 | /* |
Dmitri Belimov | e28f49b | 2010-02-22 06:32:15 -0300 | [diff] [blame] | 2 | tm6000-video.c - driver for TM5600/TM6000/TM6010 USB video capture devices |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 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 | |
Stefan Ringel | 5a4b55e | 2010-05-19 13:58:27 -0300 | [diff] [blame] | 51 | #define TM6000_MAX_ISO_PACKETS 46 /* Max number of ISO packets */ |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 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; |
Mauro Carvalho Chehab | faa7c13 | 2010-06-04 21:08:25 -0300 | [diff] [blame] | 59 | EXPORT_SYMBOL_GPL(tm6000_debug); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 60 | |
| 61 | /* supported controls */ |
| 62 | static struct v4l2_queryctrl tm6000_qctrl[] = { |
| 63 | { |
| 64 | .id = V4L2_CID_BRIGHTNESS, |
| 65 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 66 | .name = "Brightness", |
| 67 | .minimum = 0, |
| 68 | .maximum = 255, |
| 69 | .step = 1, |
| 70 | .default_value = 54, |
| 71 | .flags = 0, |
| 72 | }, { |
| 73 | .id = V4L2_CID_CONTRAST, |
| 74 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 75 | .name = "Contrast", |
| 76 | .minimum = 0, |
| 77 | .maximum = 255, |
| 78 | .step = 0x1, |
| 79 | .default_value = 119, |
| 80 | .flags = 0, |
| 81 | }, { |
| 82 | .id = V4L2_CID_SATURATION, |
| 83 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 84 | .name = "Saturation", |
| 85 | .minimum = 0, |
| 86 | .maximum = 255, |
| 87 | .step = 0x1, |
| 88 | .default_value = 112, |
| 89 | .flags = 0, |
| 90 | }, { |
| 91 | .id = V4L2_CID_HUE, |
| 92 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 93 | .name = "Hue", |
| 94 | .minimum = -128, |
| 95 | .maximum = 127, |
| 96 | .step = 0x1, |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 97 | .default_value = 0, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 98 | .flags = 0, |
| 99 | } |
| 100 | }; |
| 101 | |
| 102 | static int qctl_regs[ARRAY_SIZE(tm6000_qctrl)]; |
| 103 | |
| 104 | static struct tm6000_fmt format[] = { |
| 105 | { |
| 106 | .name = "4:2:2, packed, YVY2", |
| 107 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 108 | .depth = 16, |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 109 | }, { |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 110 | .name = "4:2:2, packed, UYVY", |
| 111 | .fourcc = V4L2_PIX_FMT_UYVY, |
| 112 | .depth = 16, |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 113 | }, { |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 114 | .name = "A/V + VBI mux packet", |
| 115 | .fourcc = V4L2_PIX_FMT_TM6000, |
| 116 | .depth = 16, |
| 117 | } |
| 118 | }; |
| 119 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 120 | /* ------------------------------------------------------------------ |
| 121 | DMA and thread functions |
| 122 | ------------------------------------------------------------------*/ |
| 123 | |
| 124 | #define norm_maxw(a) 720 |
Mauro Carvalho Chehab | 4475c04 | 2007-09-03 21:51:45 -0300 | [diff] [blame] | 125 | #define norm_maxh(a) 576 |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 126 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 127 | #define norm_minw(a) norm_maxw(a) |
| 128 | #define norm_minh(a) norm_maxh(a) |
| 129 | |
| 130 | /* |
| 131 | * video-buf generic routine to get the next available buffer |
| 132 | */ |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame] | 133 | static inline void get_next_buf(struct tm6000_dmaqueue *dma_q, |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 134 | struct tm6000_buffer **buf) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 135 | { |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 136 | 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] | 137 | char *outp; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 138 | |
| 139 | if (list_empty(&dma_q->active)) { |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 140 | dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n"); |
Mauro Carvalho Chehab | 1f9305b | 2008-11-28 06:44:06 -0300 | [diff] [blame] | 141 | *buf = NULL; |
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); |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame] | 153 | |
| 154 | return; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | /* |
| 158 | * Announces that a buffer were filled and request the next |
| 159 | */ |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 160 | static inline void buffer_filled(struct tm6000_core *dev, |
| 161 | struct tm6000_dmaqueue *dma_q, |
| 162 | struct tm6000_buffer *buf) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 163 | { |
| 164 | /* Advice that buffer was filled */ |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 165 | 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] | 166 | buf->vb.state = VIDEOBUF_DONE; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 167 | buf->vb.field_count++; |
| 168 | do_gettimeofday(&buf->vb.ts); |
| 169 | |
| 170 | list_del(&buf->vb.queue); |
| 171 | wake_up(&buf->vb.done); |
| 172 | } |
| 173 | |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 174 | const char *tm6000_msg_type[] = { |
| 175 | "unknown(0)", /* 0 */ |
| 176 | "video", /* 1 */ |
| 177 | "audio", /* 2 */ |
| 178 | "vbi", /* 3 */ |
| 179 | "pts", /* 4 */ |
| 180 | "err", /* 5 */ |
| 181 | "unknown(6)", /* 6 */ |
| 182 | "unknown(7)", /* 7 */ |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 183 | }; |
| 184 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 185 | /* |
| 186 | * Identify the tm5600/6000 buffer header type and properly handles |
| 187 | */ |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 188 | static int copy_streams(u8 *data, unsigned long len, |
| 189 | struct urb *urb) |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 190 | { |
| 191 | struct tm6000_dmaqueue *dma_q = urb->context; |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 192 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 193 | u8 *ptr=data, *endp=data+len, c; |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 194 | unsigned long header=0; |
| 195 | int rc=0; |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 196 | unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0; |
| 197 | struct tm6000_buffer *vbuf; |
| 198 | char *voutp = NULL; |
| 199 | unsigned int linewidth; |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 200 | |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 201 | /* get video buffer */ |
| 202 | get_next_buf (dma_q, &vbuf); |
| 203 | if (!vbuf) |
| 204 | return rc; |
| 205 | voutp = videobuf_to_vmalloc(&vbuf->vb); |
| 206 | if (!voutp) |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 207 | return 0; |
Mauro Carvalho Chehab | e2c9500 | 2007-09-19 15:39:22 -0300 | [diff] [blame] | 208 | |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 209 | for (ptr = data; ptr < endp;) { |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 210 | if (!dev->isoc_ctl.cmd) { |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 211 | /* Header */ |
| 212 | if (dev->isoc_ctl.tmp_buf_len > 0) { |
| 213 | /* from last urb or packet */ |
| 214 | header = dev->isoc_ctl.tmp_buf; |
| 215 | if (4 - dev->isoc_ctl.tmp_buf_len > 0) { |
| 216 | memcpy ((u8 *)&header + |
Mauro Carvalho Chehab | 801dd3b | 2010-05-02 17:14:33 -0300 | [diff] [blame] | 217 | dev->isoc_ctl.tmp_buf_len, |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 218 | ptr, |
Mauro Carvalho Chehab | 801dd3b | 2010-05-02 17:14:33 -0300 | [diff] [blame] | 219 | 4 - dev->isoc_ctl.tmp_buf_len); |
| 220 | ptr += 4 - dev->isoc_ctl.tmp_buf_len; |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 221 | } |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 222 | dev->isoc_ctl.tmp_buf_len = 0; |
| 223 | } else { |
| 224 | if (ptr + 3 >= endp) { |
| 225 | /* have incomplete header */ |
| 226 | dev->isoc_ctl.tmp_buf_len = endp - ptr; |
| 227 | memcpy (&dev->isoc_ctl.tmp_buf, ptr, |
| 228 | dev->isoc_ctl.tmp_buf_len); |
| 229 | return rc; |
| 230 | } |
| 231 | /* Seek for sync */ |
| 232 | for (; ptr < endp - 3; ptr++) { |
| 233 | if (*(ptr + 3) == 0x47) |
| 234 | break; |
| 235 | } |
| 236 | /* Get message header */ |
| 237 | header = *(unsigned long *)ptr; |
| 238 | ptr += 4; |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 239 | } |
Mauro Carvalho Chehab | 23ba946 | 2010-06-07 11:57:28 -0300 | [diff] [blame] | 240 | |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 241 | /* split the header fields */ |
| 242 | c = (header >> 24) & 0xff; |
| 243 | size = ((header & 0x7e) << 1); |
| 244 | if (size > 0) |
| 245 | size -= 4; |
| 246 | block = (header >> 7) & 0xf; |
| 247 | field = (header >> 11) & 0x1; |
| 248 | line = (header >> 12) & 0x1ff; |
| 249 | cmd = (header >> 21) & 0x7; |
| 250 | /* Validates haeder fields */ |
| 251 | if (size > TM6000_URB_MSG_LEN) |
| 252 | size = TM6000_URB_MSG_LEN; |
| 253 | pktsize = TM6000_URB_MSG_LEN; |
| 254 | /* calculate position in buffer |
| 255 | * and change the buffer |
| 256 | */ |
| 257 | switch (cmd) { |
| 258 | case TM6000_URB_MSG_VIDEO: |
| 259 | if ((dev->isoc_ctl.vfield != field) && |
| 260 | (field == 1)) { |
| 261 | /* Announces that a new buffer |
| 262 | * were filled |
| 263 | */ |
| 264 | buffer_filled (dev, dma_q, vbuf); |
| 265 | dprintk (dev, V4L2_DEBUG_ISOC, |
| 266 | "new buffer filled\n"); |
| 267 | get_next_buf (dma_q, &vbuf); |
| 268 | if (!vbuf) |
| 269 | return rc; |
| 270 | voutp = videobuf_to_vmalloc (&vbuf->vb); |
| 271 | if (!voutp) |
| 272 | return rc; |
Mauro Carvalho Chehab | 758bb0b | 2010-06-07 12:32:27 -0300 | [diff] [blame] | 273 | memset(voutp, 0, vbuf->vb.size); |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 274 | } |
| 275 | linewidth = vbuf->vb.width << 1; |
| 276 | pos = ((line << 1) - field - 1) * linewidth + |
| 277 | block * TM6000_URB_MSG_LEN; |
| 278 | /* Don't allow to write out of the buffer */ |
| 279 | if (pos + size > vbuf->vb.size) |
| 280 | cmd = TM6000_URB_MSG_ERR; |
| 281 | dev->isoc_ctl.vfield = field; |
| 282 | break; |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 283 | case TM6000_URB_MSG_VBI: |
Mauro Carvalho Chehab | 23ba946 | 2010-06-07 11:57:28 -0300 | [diff] [blame] | 284 | break; |
| 285 | case TM6000_URB_MSG_AUDIO: |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 286 | case TM6000_URB_MSG_PTS: |
Mauro Carvalho Chehab | d0669c8 | 2010-06-07 12:10:14 -0300 | [diff] [blame] | 287 | size = pktsize; /* Size is always 180 bytes */ |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 288 | break; |
Mauro Carvalho Chehab | cc6c60d | 2007-09-19 16:24:05 -0300 | [diff] [blame] | 289 | } |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 290 | } else { |
| 291 | /* Continue the last copy */ |
| 292 | cmd = dev->isoc_ctl.cmd; |
| 293 | size = dev->isoc_ctl.size; |
| 294 | pos = dev->isoc_ctl.pos; |
| 295 | pktsize = dev->isoc_ctl.pktsize; |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 296 | } |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 297 | cpysize = (endp - ptr > size) ? size : endp - ptr; |
| 298 | if (cpysize) { |
| 299 | /* copy data in different buffers */ |
| 300 | switch (cmd) { |
| 301 | case TM6000_URB_MSG_VIDEO: |
| 302 | /* Fills video buffer */ |
| 303 | if (vbuf) |
| 304 | memcpy (&voutp[pos], ptr, cpysize); |
| 305 | break; |
| 306 | case TM6000_URB_MSG_AUDIO: |
Mauro Carvalho Chehab | b17b869 | 2010-06-03 17:16:28 -0300 | [diff] [blame] | 307 | tm6000_call_fillbuf(dev, TM6000_AUDIO, ptr, cpysize); |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 308 | break; |
| 309 | case TM6000_URB_MSG_VBI: |
| 310 | /* Need some code to copy vbi buffer */ |
| 311 | break; |
| 312 | case TM6000_URB_MSG_PTS: |
| 313 | /* Need some code to copy pts */ |
| 314 | break; |
| 315 | } |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 316 | } |
Mauro Carvalho Chehab | ccfb302 | 2010-06-30 17:24:28 -0300 | [diff] [blame] | 317 | if (ptr + pktsize > endp) { |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 318 | /* End of URB packet, but cmd processing is not |
| 319 | * complete. Preserve the state for a next packet |
| 320 | */ |
| 321 | dev->isoc_ctl.pos = pos + cpysize; |
| 322 | dev->isoc_ctl.size = size - cpysize; |
| 323 | dev->isoc_ctl.cmd = cmd; |
| 324 | dev->isoc_ctl.pktsize = pktsize - (endp - ptr); |
Mauro Carvalho Chehab | ccfb302 | 2010-06-30 17:24:28 -0300 | [diff] [blame] | 325 | ptr += endp - ptr; |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 326 | } else { |
| 327 | dev->isoc_ctl.cmd = 0; |
| 328 | ptr += pktsize; |
| 329 | } |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 330 | } |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 331 | return 0; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 332 | } |
Stefan Ringel | 83cb9a5 | 2010-06-01 12:47:42 -0300 | [diff] [blame] | 333 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 334 | /* |
| 335 | * Identify the tm5600/6000 buffer header type and properly handles |
| 336 | */ |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 337 | static int copy_multiplexed(u8 *ptr, unsigned long len, |
| 338 | struct urb *urb) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 339 | { |
| 340 | struct tm6000_dmaqueue *dma_q = urb->context; |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 341 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
| 342 | unsigned int pos=dev->isoc_ctl.pos,cpysize; |
| 343 | int rc=1; |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 344 | struct tm6000_buffer *buf; |
| 345 | char *outp = NULL; |
| 346 | |
| 347 | get_next_buf(dma_q, &buf); |
| 348 | if (buf) |
| 349 | outp = videobuf_to_vmalloc(&buf->vb); |
| 350 | |
| 351 | if (!outp) |
| 352 | return 0; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 353 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 354 | while (len>0) { |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 355 | cpysize=min(len,buf->vb.size-pos); |
| 356 | //printk("Copying %d bytes (max=%lu) from %p to %p[%u]\n",cpysize,(*buf)->vb.size,ptr,out_p,pos); |
| 357 | memcpy(&outp[pos], ptr, cpysize); |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 358 | pos+=cpysize; |
| 359 | ptr+=cpysize; |
| 360 | len-=cpysize; |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 361 | if (pos >= buf->vb.size) { |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 362 | pos=0; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 363 | /* Announces that a new buffer were filled */ |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 364 | buffer_filled (dev, dma_q, buf); |
Mauro Carvalho Chehab | 5f79675 | 2007-08-27 07:55:05 -0300 | [diff] [blame] | 365 | dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 366 | get_next_buf (dma_q, &buf); |
| 367 | if (!buf) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 368 | break; |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 369 | outp = videobuf_to_vmalloc(&(buf->vb)); |
| 370 | if (!outp) |
Mauro Carvalho Chehab | e8a4845 | 2008-11-28 07:39:00 -0300 | [diff] [blame] | 371 | return rc; |
| 372 | pos = 0; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 373 | } |
| 374 | } |
| 375 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 376 | dev->isoc_ctl.pos=pos; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 377 | return rc; |
| 378 | } |
| 379 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 380 | static void inline print_err_status (struct tm6000_core *dev, |
| 381 | int packet, int status) |
Mauro Carvalho Chehab | 5f79675 | 2007-08-27 07:55:05 -0300 | [diff] [blame] | 382 | { |
| 383 | char *errmsg = "Unknown"; |
| 384 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 385 | switch(status) { |
Mauro Carvalho Chehab | 5f79675 | 2007-08-27 07:55:05 -0300 | [diff] [blame] | 386 | case -ENOENT: |
| 387 | errmsg = "unlinked synchronuously"; |
| 388 | break; |
| 389 | case -ECONNRESET: |
| 390 | errmsg = "unlinked asynchronuously"; |
| 391 | break; |
| 392 | case -ENOSR: |
| 393 | errmsg = "Buffer error (overrun)"; |
| 394 | break; |
| 395 | case -EPIPE: |
| 396 | errmsg = "Stalled (device not responding)"; |
| 397 | break; |
| 398 | case -EOVERFLOW: |
| 399 | errmsg = "Babble (bad cable?)"; |
| 400 | break; |
| 401 | case -EPROTO: |
| 402 | errmsg = "Bit-stuff error (bad cable?)"; |
| 403 | break; |
| 404 | case -EILSEQ: |
| 405 | errmsg = "CRC/Timeout (could be anything)"; |
| 406 | break; |
| 407 | case -ETIME: |
| 408 | errmsg = "Device does not respond"; |
| 409 | break; |
| 410 | } |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 411 | if (packet<0) { |
Mauro Carvalho Chehab | 5f79675 | 2007-08-27 07:55:05 -0300 | [diff] [blame] | 412 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n", |
| 413 | status, errmsg); |
| 414 | } else { |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 415 | 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] | 416 | packet, status, errmsg); |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 421 | /* |
| 422 | * Controls the isoc copy of each urb packet |
| 423 | */ |
Mauro Carvalho Chehab | e8a4845 | 2008-11-28 07:39:00 -0300 | [diff] [blame] | 424 | static inline int tm6000_isoc_copy(struct urb *urb) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 425 | { |
| 426 | struct tm6000_dmaqueue *dma_q = urb->context; |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 427 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 428 | int i, len=0, rc=1, status; |
| 429 | char *p; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 430 | |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 431 | if (urb->status < 0) { |
| 432 | print_err_status (dev, -1, urb->status); |
Mauro Carvalho Chehab | 5f79675 | 2007-08-27 07:55:05 -0300 | [diff] [blame] | 433 | return 0; |
| 434 | } |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 435 | |
| 436 | for (i = 0; i < urb->number_of_packets; i++) { |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 437 | status = urb->iso_frame_desc[i].status; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 438 | |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 439 | if (status<0) { |
| 440 | print_err_status (dev,i,status); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 441 | continue; |
Mauro Carvalho Chehab | 5f79675 | 2007-08-27 07:55:05 -0300 | [diff] [blame] | 442 | } |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 443 | |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 444 | len = urb->iso_frame_desc[i].actual_length; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 445 | |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 446 | if (len > 0) { |
| 447 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 448 | if (!urb->iso_frame_desc[i].status) { |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 449 | if ((dev->fourcc)==V4L2_PIX_FMT_TM6000) { |
| 450 | rc=copy_multiplexed(p, len, urb); |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 451 | if (rc<=0) |
| 452 | return rc; |
| 453 | } else { |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 454 | copy_streams(p, len, urb); |
Mauro Carvalho Chehab | ed0236a | 2008-04-09 08:07:20 -0300 | [diff] [blame] | 455 | } |
| 456 | } |
Stefan Ringel | 4b6ed9f | 2010-05-19 13:58:26 -0300 | [diff] [blame] | 457 | } |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 458 | } |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 459 | return rc; |
| 460 | } |
| 461 | |
| 462 | /* ------------------------------------------------------------------ |
| 463 | URB control |
| 464 | ------------------------------------------------------------------*/ |
| 465 | |
| 466 | /* |
| 467 | * IRQ callback, called by URB callback |
| 468 | */ |
| 469 | static void tm6000_irq_callback(struct urb *urb) |
| 470 | { |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 471 | struct tm6000_dmaqueue *dma_q = urb->context; |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 472 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
Mauro Carvalho Chehab | e8a4845 | 2008-11-28 07:39:00 -0300 | [diff] [blame] | 473 | int i; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 474 | |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame] | 475 | if (!dev) |
| 476 | return; |
| 477 | |
Mauro Carvalho Chehab | e8a4845 | 2008-11-28 07:39:00 -0300 | [diff] [blame] | 478 | spin_lock(&dev->slock); |
| 479 | tm6000_isoc_copy(urb); |
| 480 | spin_unlock(&dev->slock); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 481 | |
Mauro Carvalho Chehab | e8a4845 | 2008-11-28 07:39:00 -0300 | [diff] [blame] | 482 | /* Reset urb buffers */ |
| 483 | for (i = 0; i < urb->number_of_packets; i++) { |
| 484 | urb->iso_frame_desc[i].status = 0; |
| 485 | urb->iso_frame_desc[i].actual_length = 0; |
| 486 | } |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 487 | |
Mauro Carvalho Chehab | c4acf48 | 2008-01-09 22:44:51 -0300 | [diff] [blame] | 488 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
| 489 | if (urb->status) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 490 | tm6000_err("urb resubmit failed (error=%i)\n", |
| 491 | urb->status); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 492 | } |
| 493 | |
| 494 | /* |
| 495 | * Stop and Deallocate URBs |
| 496 | */ |
| 497 | static void tm6000_uninit_isoc(struct tm6000_core *dev) |
| 498 | { |
| 499 | struct urb *urb; |
| 500 | int i; |
| 501 | |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 502 | dev->isoc_ctl.buf = NULL; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 503 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
| 504 | urb=dev->isoc_ctl.urb[i]; |
| 505 | if (urb) { |
| 506 | usb_kill_urb(urb); |
| 507 | usb_unlink_urb(urb); |
| 508 | if (dev->isoc_ctl.transfer_buffer[i]) { |
Mauro Carvalho Chehab | 5a11b6f | 2010-05-03 15:17:57 -0300 | [diff] [blame] | 509 | usb_free_coherent(dev->udev, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 510 | urb->transfer_buffer_length, |
| 511 | dev->isoc_ctl.transfer_buffer[i], |
| 512 | urb->transfer_dma); |
| 513 | } |
| 514 | usb_free_urb(urb); |
| 515 | dev->isoc_ctl.urb[i] = NULL; |
| 516 | } |
| 517 | dev->isoc_ctl.transfer_buffer[i] = NULL; |
| 518 | } |
| 519 | |
| 520 | kfree (dev->isoc_ctl.urb); |
| 521 | kfree (dev->isoc_ctl.transfer_buffer); |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 522 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 523 | dev->isoc_ctl.urb=NULL; |
| 524 | dev->isoc_ctl.transfer_buffer=NULL; |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 525 | dev->isoc_ctl.num_bufs = 0; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 526 | } |
| 527 | |
| 528 | /* |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 529 | * Allocate URBs and start IRQ |
| 530 | */ |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 531 | 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] | 532 | { |
| 533 | struct tm6000_dmaqueue *dma_q = &dev->vidq; |
Stefan Ringel | 5a4b55e | 2010-05-19 13:58:27 -0300 | [diff] [blame] | 534 | int i, j, sb_size, pipe, size, max_packets, num_bufs = 8; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 535 | struct urb *urb; |
Mauro Carvalho Chehab | 204193d | 2008-01-09 18:12:39 -0300 | [diff] [blame] | 536 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 537 | /* De-allocates all pending stuff */ |
| 538 | tm6000_uninit_isoc(dev); |
| 539 | |
Mauro Carvalho Chehab | 6ae635c | 2010-04-26 11:24:18 -0300 | [diff] [blame] | 540 | usb_set_interface(dev->udev, |
| 541 | dev->isoc_in.bInterfaceNumber, |
| 542 | dev->isoc_in.bAlternateSetting); |
| 543 | |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 544 | pipe = usb_rcvisocpipe(dev->udev, |
Mauro Carvalho Chehab | 6ae635c | 2010-04-26 11:24:18 -0300 | [diff] [blame] | 545 | dev->isoc_in.endp->desc.bEndpointAddress & |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 546 | USB_ENDPOINT_NUMBER_MASK); |
| 547 | |
| 548 | size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); |
| 549 | |
Mauro Carvalho Chehab | 6ae635c | 2010-04-26 11:24:18 -0300 | [diff] [blame] | 550 | if (size > dev->isoc_in.maxsize) |
| 551 | size = dev->isoc_in.maxsize; |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 552 | |
| 553 | dev->isoc_ctl.max_pkt_size = size; |
| 554 | |
| 555 | max_packets = ( framesize + size - 1) / size; |
| 556 | |
| 557 | if (max_packets > TM6000_MAX_ISO_PACKETS) |
| 558 | max_packets = TM6000_MAX_ISO_PACKETS; |
| 559 | |
| 560 | sb_size = max_packets * size; |
| 561 | |
| 562 | dev->isoc_ctl.num_bufs = num_bufs; |
| 563 | |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 564 | dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 565 | if (!dev->isoc_ctl.urb) { |
| 566 | tm6000_err("cannot alloc memory for usb buffers\n"); |
| 567 | return -ENOMEM; |
| 568 | } |
| 569 | |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 570 | dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 571 | GFP_KERNEL); |
Julia Lawall | f8960ee | 2010-02-11 03:30:30 -0300 | [diff] [blame] | 572 | if (!dev->isoc_ctl.transfer_buffer) { |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 573 | tm6000_err("cannot allocate memory for usbtransfer\n"); |
| 574 | kfree(dev->isoc_ctl.urb); |
| 575 | return -ENOMEM; |
| 576 | } |
| 577 | |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 578 | dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets" |
| 579 | " (%d bytes) of %d bytes each to handle %u size\n", |
| 580 | max_packets, num_bufs, sb_size, |
Mauro Carvalho Chehab | 6ae635c | 2010-04-26 11:24:18 -0300 | [diff] [blame] | 581 | dev->isoc_in.maxsize, size); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 582 | |
| 583 | /* allocate urbs and transfer buffers */ |
| 584 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
| 585 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); |
| 586 | if (!urb) { |
| 587 | tm6000_err("cannot alloc isoc_ctl.urb %i\n", i); |
| 588 | tm6000_uninit_isoc(dev); |
Mauro Carvalho Chehab | c1a1641 | 2007-10-15 15:43:50 -0300 | [diff] [blame] | 589 | usb_free_urb(urb); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 590 | return -ENOMEM; |
| 591 | } |
| 592 | dev->isoc_ctl.urb[i] = urb; |
| 593 | |
Mauro Carvalho Chehab | 5a11b6f | 2010-05-03 15:17:57 -0300 | [diff] [blame] | 594 | dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->udev, |
Mauro Carvalho Chehab | c13dd70 | 2007-09-19 07:36:34 -0300 | [diff] [blame] | 595 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 596 | if (!dev->isoc_ctl.transfer_buffer[i]) { |
| 597 | tm6000_err ("unable to allocate %i bytes for transfer" |
Mauro Carvalho Chehab | a228618 | 2007-09-22 02:06:25 -0300 | [diff] [blame] | 598 | " buffer %i%s\n", |
| 599 | sb_size, i, |
| 600 | in_interrupt()?" while in int":""); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 601 | tm6000_uninit_isoc(dev); |
| 602 | return -ENOMEM; |
| 603 | } |
| 604 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); |
| 605 | |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 606 | usb_fill_bulk_urb(urb, dev->udev, pipe, |
| 607 | dev->isoc_ctl.transfer_buffer[i], sb_size, |
| 608 | tm6000_irq_callback, dma_q); |
Mauro Carvalho Chehab | 6ae635c | 2010-04-26 11:24:18 -0300 | [diff] [blame] | 609 | urb->interval = dev->isoc_in.endp->desc.bInterval; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 610 | urb->number_of_packets = max_packets; |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 611 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 612 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 613 | for (j = 0; j < max_packets; j++) { |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 614 | urb->iso_frame_desc[j].offset = size * j; |
| 615 | urb->iso_frame_desc[j].length = size; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 616 | } |
| 617 | } |
| 618 | |
| 619 | return 0; |
| 620 | } |
| 621 | |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 622 | static int tm6000_start_thread( struct tm6000_core *dev) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 623 | { |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 624 | struct tm6000_dmaqueue *dma_q = &dev->vidq; |
| 625 | int i; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 626 | |
| 627 | dma_q->frame=0; |
| 628 | dma_q->ini_jiffies=jiffies; |
| 629 | |
| 630 | init_waitqueue_head(&dma_q->wq); |
| 631 | |
| 632 | /* submit urbs and enables IRQ */ |
| 633 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 634 | 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] | 635 | if (rc) { |
| 636 | tm6000_err("submit of urb %i failed (error=%i)\n", i, |
| 637 | rc); |
| 638 | tm6000_uninit_isoc(dev); |
| 639 | return rc; |
| 640 | } |
| 641 | } |
| 642 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 643 | return 0; |
| 644 | } |
| 645 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 646 | /* ------------------------------------------------------------------ |
| 647 | Videobuf operations |
| 648 | ------------------------------------------------------------------*/ |
Michel Ludwig | 95a8382 | 2007-07-24 08:06:45 -0300 | [diff] [blame] | 649 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 650 | static int |
| 651 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) |
| 652 | { |
| 653 | struct tm6000_fh *fh = vq->priv_data; |
| 654 | |
| 655 | *size = fh->fmt->depth * fh->width * fh->height >> 3; |
| 656 | if (0 == *count) |
Michel Ludwig | 95a8382 | 2007-07-24 08:06:45 -0300 | [diff] [blame] | 657 | *count = TM6000_DEF_BUF; |
| 658 | |
| 659 | if (*count < TM6000_MIN_BUF) { |
| 660 | *count=TM6000_MIN_BUF; |
| 661 | } |
| 662 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 663 | while (*size * *count > vid_limit * 1024 * 1024) |
| 664 | (*count)--; |
Michel Ludwig | 95a8382 | 2007-07-24 08:06:45 -0300 | [diff] [blame] | 665 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 666 | return 0; |
| 667 | } |
| 668 | |
| 669 | static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf) |
| 670 | { |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame] | 671 | struct tm6000_fh *fh = vq->priv_data; |
| 672 | struct tm6000_core *dev = fh->dev; |
| 673 | unsigned long flags; |
| 674 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 675 | if (in_interrupt()) |
| 676 | BUG(); |
| 677 | |
Mauro Carvalho Chehab | 721f507 | 2008-10-26 09:18:53 -0300 | [diff] [blame] | 678 | /* We used to wait for the buffer to finish here, but this didn't work |
| 679 | because, as we were keeping the state as VIDEOBUF_QUEUED, |
| 680 | videobuf_queue_cancel marked it as finished for us. |
| 681 | (Also, it could wedge forever if the hardware was misconfigured.) |
| 682 | |
| 683 | This should be safe; by the time we get here, the buffer isn't |
| 684 | queued anymore. If we ever start marking the buffers as |
| 685 | VIDEOBUF_ACTIVE, it won't be, though. |
| 686 | */ |
| 687 | spin_lock_irqsave(&dev->slock, flags); |
| 688 | if (dev->isoc_ctl.buf == buf) |
| 689 | dev->isoc_ctl.buf = NULL; |
| 690 | spin_unlock_irqrestore(&dev->slock, flags); |
| 691 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 692 | videobuf_vmalloc_free(&buf->vb); |
Mauro Carvalho Chehab | 47878f1 | 2007-11-15 16:37:35 -0300 | [diff] [blame] | 693 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 694 | } |
| 695 | |
| 696 | static int |
| 697 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, |
| 698 | enum v4l2_field field) |
| 699 | { |
| 700 | struct tm6000_fh *fh = vq->priv_data; |
| 701 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); |
| 702 | struct tm6000_core *dev = fh->dev; |
Mauro Carvalho Chehab | 204193d | 2008-01-09 18:12:39 -0300 | [diff] [blame] | 703 | int rc = 0, urb_init = 0; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 704 | |
| 705 | BUG_ON(NULL == fh->fmt); |
| 706 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 707 | |
| 708 | /* FIXME: It assumes depth=2 */ |
| 709 | /* The only currently supported format is 16 bits/pixel */ |
| 710 | buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3; |
| 711 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) |
| 712 | return -EINVAL; |
| 713 | |
| 714 | if (buf->fmt != fh->fmt || |
| 715 | buf->vb.width != fh->width || |
| 716 | buf->vb.height != fh->height || |
| 717 | buf->vb.field != field) { |
| 718 | buf->fmt = fh->fmt; |
| 719 | buf->vb.width = fh->width; |
| 720 | buf->vb.height = fh->height; |
| 721 | buf->vb.field = field; |
Mauro Carvalho Chehab | 47878f1 | 2007-11-15 16:37:35 -0300 | [diff] [blame] | 722 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 723 | } |
| 724 | |
Mauro Carvalho Chehab | 47878f1 | 2007-11-15 16:37:35 -0300 | [diff] [blame] | 725 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 726 | if (0 != (rc = videobuf_iolock(vq, &buf->vb, NULL))) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 727 | goto fail; |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 728 | urb_init = 1; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 729 | } |
| 730 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 731 | if (!dev->isoc_ctl.num_bufs) |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 732 | urb_init = 1; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 733 | |
| 734 | if (urb_init) { |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 735 | rc = tm6000_prepare_isoc(dev, buf->vb.size); |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 736 | if (rc < 0) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 737 | goto fail; |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 738 | |
| 739 | rc = tm6000_start_thread(dev); |
| 740 | if (rc < 0) |
| 741 | goto fail; |
| 742 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 743 | } |
| 744 | |
Mauro Carvalho Chehab | 47878f1 | 2007-11-15 16:37:35 -0300 | [diff] [blame] | 745 | buf->vb.state = VIDEOBUF_PREPARED; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 746 | return 0; |
| 747 | |
| 748 | fail: |
Mauro Carvalho Chehab | ee1fc07 | 2008-01-10 17:27:26 -0300 | [diff] [blame] | 749 | free_buffer(vq, buf); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 750 | return rc; |
| 751 | } |
| 752 | |
| 753 | static void |
| 754 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) |
| 755 | { |
| 756 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); |
| 757 | struct tm6000_fh *fh = vq->priv_data; |
| 758 | struct tm6000_core *dev = fh->dev; |
| 759 | struct tm6000_dmaqueue *vidq = &dev->vidq; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 760 | |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 761 | buf->vb.state = VIDEOBUF_QUEUED; |
| 762 | list_add_tail(&buf->vb.queue, &vidq->active); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 763 | } |
| 764 | |
| 765 | static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) |
| 766 | { |
| 767 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 768 | |
| 769 | free_buffer(vq,buf); |
| 770 | } |
| 771 | |
| 772 | static struct videobuf_queue_ops tm6000_video_qops = { |
| 773 | .buf_setup = buffer_setup, |
| 774 | .buf_prepare = buffer_prepare, |
| 775 | .buf_queue = buffer_queue, |
| 776 | .buf_release = buffer_release, |
| 777 | }; |
| 778 | |
| 779 | /* ------------------------------------------------------------------ |
| 780 | IOCTL handling |
| 781 | ------------------------------------------------------------------*/ |
| 782 | |
| 783 | static int res_get(struct tm6000_core *dev, struct tm6000_fh *fh) |
| 784 | { |
| 785 | /* is it free? */ |
| 786 | mutex_lock(&dev->lock); |
| 787 | if (dev->resources) { |
| 788 | /* no, someone else uses it */ |
| 789 | mutex_unlock(&dev->lock); |
| 790 | return 0; |
| 791 | } |
| 792 | /* it's free, grab it */ |
| 793 | dev->resources =1; |
| 794 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); |
| 795 | mutex_unlock(&dev->lock); |
| 796 | return 1; |
| 797 | } |
| 798 | |
| 799 | static int res_locked(struct tm6000_core *dev) |
| 800 | { |
| 801 | return (dev->resources); |
| 802 | } |
| 803 | |
| 804 | static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh) |
| 805 | { |
| 806 | mutex_lock(&dev->lock); |
| 807 | dev->resources = 0; |
| 808 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n"); |
| 809 | mutex_unlock(&dev->lock); |
| 810 | } |
| 811 | |
| 812 | /* ------------------------------------------------------------------ |
| 813 | IOCTL vidioc handling |
| 814 | ------------------------------------------------------------------*/ |
| 815 | static int vidioc_querycap (struct file *file, void *priv, |
| 816 | struct v4l2_capability *cap) |
| 817 | { |
| 818 | // struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; |
| 819 | |
| 820 | strlcpy(cap->driver, "tm6000", sizeof(cap->driver)); |
Dmitri Belimov | e28f49b | 2010-02-22 06:32:15 -0300 | [diff] [blame] | 821 | strlcpy(cap->card,"Trident TVMaster TM5600/6000/6010", sizeof(cap->card)); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 822 | // strlcpy(cap->bus_info, dev->udev->dev.bus_id, sizeof(cap->bus_info)); |
| 823 | cap->version = TM6000_VERSION; |
| 824 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | |
| 825 | V4L2_CAP_STREAMING | |
| 826 | V4L2_CAP_TUNER | |
| 827 | V4L2_CAP_READWRITE; |
| 828 | return 0; |
| 829 | } |
| 830 | |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 831 | 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] | 832 | struct v4l2_fmtdesc *f) |
| 833 | { |
| 834 | if (unlikely(f->index >= ARRAY_SIZE(format))) |
| 835 | return -EINVAL; |
| 836 | |
| 837 | strlcpy(f->description,format[f->index].name,sizeof(f->description)); |
| 838 | f->pixelformat = format[f->index].fourcc; |
| 839 | return 0; |
| 840 | } |
| 841 | |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 842 | 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] | 843 | struct v4l2_format *f) |
| 844 | { |
| 845 | struct tm6000_fh *fh=priv; |
| 846 | |
| 847 | f->fmt.pix.width = fh->width; |
| 848 | f->fmt.pix.height = fh->height; |
| 849 | f->fmt.pix.field = fh->vb_vidq.field; |
| 850 | f->fmt.pix.pixelformat = fh->fmt->fourcc; |
| 851 | f->fmt.pix.bytesperline = |
| 852 | (f->fmt.pix.width * fh->fmt->depth) >> 3; |
| 853 | f->fmt.pix.sizeimage = |
| 854 | f->fmt.pix.height * f->fmt.pix.bytesperline; |
| 855 | |
| 856 | return (0); |
| 857 | } |
| 858 | |
| 859 | static struct tm6000_fmt* format_by_fourcc(unsigned int fourcc) |
| 860 | { |
| 861 | unsigned int i; |
| 862 | |
| 863 | for (i = 0; i < ARRAY_SIZE(format); i++) |
| 864 | if (format[i].fourcc == fourcc) |
| 865 | return format+i; |
| 866 | return NULL; |
| 867 | } |
| 868 | |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 869 | 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] | 870 | struct v4l2_format *f) |
| 871 | { |
| 872 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; |
| 873 | struct tm6000_fmt *fmt; |
| 874 | enum v4l2_field field; |
| 875 | |
| 876 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| 877 | if (NULL == fmt) { |
| 878 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)" |
| 879 | " invalid.\n", f->fmt.pix.pixelformat); |
| 880 | return -EINVAL; |
| 881 | } |
| 882 | |
| 883 | field = f->fmt.pix.field; |
| 884 | |
| 885 | if (field == V4L2_FIELD_ANY) { |
| 886 | // field=V4L2_FIELD_INTERLACED; |
| 887 | field=V4L2_FIELD_SEQ_TB; |
| 888 | } else if (V4L2_FIELD_INTERLACED != field) { |
| 889 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n"); |
| 890 | return -EINVAL; |
| 891 | } |
| 892 | |
Mauro Carvalho Chehab | 4475c04 | 2007-09-03 21:51:45 -0300 | [diff] [blame] | 893 | tm6000_get_std_res (dev); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 894 | |
Mauro Carvalho Chehab | 4475c04 | 2007-09-03 21:51:45 -0300 | [diff] [blame] | 895 | f->fmt.pix.width = dev->width; |
| 896 | f->fmt.pix.height = dev->height; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 897 | |
| 898 | f->fmt.pix.width &= ~0x01; |
| 899 | |
| 900 | f->fmt.pix.field = field; |
| 901 | |
| 902 | f->fmt.pix.bytesperline = |
| 903 | (f->fmt.pix.width * fmt->depth) >> 3; |
| 904 | f->fmt.pix.sizeimage = |
| 905 | f->fmt.pix.height * f->fmt.pix.bytesperline; |
| 906 | |
| 907 | return 0; |
| 908 | } |
| 909 | |
| 910 | /*FIXME: This seems to be generic enough to be at videodev2 */ |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 911 | 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] | 912 | struct v4l2_format *f) |
| 913 | { |
| 914 | struct tm6000_fh *fh=priv; |
| 915 | struct tm6000_core *dev = fh->dev; |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 916 | int ret = vidioc_try_fmt_vid_cap(file,fh,f); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 917 | if (ret < 0) |
| 918 | return (ret); |
| 919 | |
| 920 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| 921 | fh->width = f->fmt.pix.width; |
| 922 | fh->height = f->fmt.pix.height; |
| 923 | fh->vb_vidq.field = f->fmt.pix.field; |
| 924 | fh->type = f->type; |
| 925 | |
| 926 | dev->fourcc = f->fmt.pix.pixelformat; |
| 927 | |
| 928 | tm6000_set_fourcc_format(dev); |
| 929 | |
| 930 | return (0); |
| 931 | } |
| 932 | |
| 933 | static int vidioc_reqbufs (struct file *file, void *priv, |
| 934 | struct v4l2_requestbuffers *p) |
| 935 | { |
| 936 | struct tm6000_fh *fh=priv; |
| 937 | |
| 938 | return (videobuf_reqbufs(&fh->vb_vidq, p)); |
| 939 | } |
| 940 | |
| 941 | static int vidioc_querybuf (struct file *file, void *priv, |
| 942 | struct v4l2_buffer *p) |
| 943 | { |
| 944 | struct tm6000_fh *fh=priv; |
| 945 | |
| 946 | return (videobuf_querybuf(&fh->vb_vidq, p)); |
| 947 | } |
| 948 | |
| 949 | static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) |
| 950 | { |
| 951 | struct tm6000_fh *fh=priv; |
| 952 | |
| 953 | return (videobuf_qbuf(&fh->vb_vidq, p)); |
| 954 | } |
| 955 | |
| 956 | static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) |
| 957 | { |
| 958 | struct tm6000_fh *fh=priv; |
| 959 | |
| 960 | return (videobuf_dqbuf(&fh->vb_vidq, p, |
| 961 | file->f_flags & O_NONBLOCK)); |
| 962 | } |
| 963 | |
| 964 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 965 | static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf) |
| 966 | { |
| 967 | struct tm6000_fh *fh=priv; |
| 968 | |
| 969 | return videobuf_cgmbuf (&fh->vb_vidq, mbuf, 8); |
| 970 | } |
| 971 | #endif |
| 972 | |
| 973 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
| 974 | { |
| 975 | struct tm6000_fh *fh=priv; |
| 976 | struct tm6000_core *dev = fh->dev; |
| 977 | |
| 978 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 979 | return -EINVAL; |
| 980 | if (i != fh->type) |
| 981 | return -EINVAL; |
| 982 | |
| 983 | if (!res_get(dev,fh)) |
| 984 | return -EBUSY; |
| 985 | return (videobuf_streamon(&fh->vb_vidq)); |
| 986 | } |
| 987 | |
| 988 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) |
| 989 | { |
| 990 | struct tm6000_fh *fh=priv; |
| 991 | struct tm6000_core *dev = fh->dev; |
| 992 | |
| 993 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 994 | return -EINVAL; |
| 995 | if (i != fh->type) |
| 996 | return -EINVAL; |
| 997 | |
| 998 | videobuf_streamoff(&fh->vb_vidq); |
| 999 | res_free(dev,fh); |
| 1000 | |
| 1001 | return (0); |
| 1002 | } |
| 1003 | |
| 1004 | static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm) |
| 1005 | { |
| 1006 | int rc=0; |
| 1007 | struct tm6000_fh *fh=priv; |
| 1008 | struct tm6000_core *dev = fh->dev; |
| 1009 | |
| 1010 | rc=tm6000_set_standard (dev, norm); |
Mauro Carvalho Chehab | 71e7cfa | 2007-09-06 20:12:10 -0300 | [diff] [blame] | 1011 | |
| 1012 | fh->width = dev->width; |
| 1013 | fh->height = dev->height; |
| 1014 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1015 | if (rc<0) |
| 1016 | return rc; |
| 1017 | |
Mauro Carvalho Chehab | 427f7fa | 2009-09-14 16:37:13 -0300 | [diff] [blame] | 1018 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1019 | |
| 1020 | return 0; |
| 1021 | } |
| 1022 | |
| 1023 | static int vidioc_enum_input (struct file *file, void *priv, |
| 1024 | struct v4l2_input *inp) |
| 1025 | { |
| 1026 | switch (inp->index) { |
| 1027 | case TM6000_INPUT_TV: |
| 1028 | inp->type = V4L2_INPUT_TYPE_TUNER; |
| 1029 | strcpy(inp->name,"Television"); |
| 1030 | break; |
| 1031 | case TM6000_INPUT_COMPOSITE: |
| 1032 | inp->type = V4L2_INPUT_TYPE_CAMERA; |
| 1033 | strcpy(inp->name,"Composite"); |
| 1034 | break; |
| 1035 | case TM6000_INPUT_SVIDEO: |
| 1036 | inp->type = V4L2_INPUT_TYPE_CAMERA; |
| 1037 | strcpy(inp->name,"S-Video"); |
| 1038 | break; |
| 1039 | default: |
| 1040 | return -EINVAL; |
| 1041 | } |
| 1042 | inp->std = TM6000_STD; |
| 1043 | |
| 1044 | return 0; |
| 1045 | } |
| 1046 | |
| 1047 | static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) |
| 1048 | { |
| 1049 | struct tm6000_fh *fh=priv; |
| 1050 | struct tm6000_core *dev = fh->dev; |
| 1051 | |
| 1052 | *i=dev->input; |
| 1053 | |
| 1054 | return 0; |
| 1055 | } |
| 1056 | static int vidioc_s_input (struct file *file, void *priv, unsigned int i) |
| 1057 | { |
| 1058 | struct tm6000_fh *fh=priv; |
| 1059 | struct tm6000_core *dev = fh->dev; |
| 1060 | int rc=0; |
| 1061 | char buf[1]; |
| 1062 | |
| 1063 | switch (i) { |
| 1064 | case TM6000_INPUT_TV: |
| 1065 | dev->input=i; |
| 1066 | *buf=0; |
| 1067 | break; |
| 1068 | case TM6000_INPUT_COMPOSITE: |
| 1069 | case TM6000_INPUT_SVIDEO: |
| 1070 | dev->input=i; |
| 1071 | *buf=1; |
| 1072 | break; |
| 1073 | default: |
| 1074 | return -EINVAL; |
| 1075 | } |
| 1076 | rc=tm6000_read_write_usb (dev, USB_DIR_OUT | USB_TYPE_VENDOR, |
| 1077 | REQ_03_SET_GET_MCU_PIN, 0x03, 1, buf, 1); |
| 1078 | |
| 1079 | if (!rc) { |
| 1080 | dev->input=i; |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1081 | rc=vidioc_s_std (file, priv, &dev->vfd->current_norm); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1082 | } |
| 1083 | |
| 1084 | return (rc); |
| 1085 | } |
| 1086 | |
| 1087 | /* --- controls ---------------------------------------------- */ |
| 1088 | static int vidioc_queryctrl (struct file *file, void *priv, |
| 1089 | struct v4l2_queryctrl *qc) |
| 1090 | { |
| 1091 | int i; |
| 1092 | |
| 1093 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) |
| 1094 | if (qc->id && qc->id == tm6000_qctrl[i].id) { |
| 1095 | memcpy(qc, &(tm6000_qctrl[i]), |
| 1096 | sizeof(*qc)); |
| 1097 | return (0); |
| 1098 | } |
| 1099 | |
| 1100 | return -EINVAL; |
| 1101 | } |
| 1102 | |
| 1103 | static int vidioc_g_ctrl (struct file *file, void *priv, |
| 1104 | struct v4l2_control *ctrl) |
| 1105 | { |
| 1106 | struct tm6000_fh *fh=priv; |
| 1107 | struct tm6000_core *dev = fh->dev; |
| 1108 | int val; |
| 1109 | |
| 1110 | /* FIXME: Probably, those won't work! Maybe we need shadow regs */ |
| 1111 | switch (ctrl->id) { |
| 1112 | case V4L2_CID_CONTRAST: |
Mauro Carvalho Chehab | 9afec49 | 2010-03-11 10:26:46 -0300 | [diff] [blame] | 1113 | val = tm6000_get_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, 0); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1114 | break; |
| 1115 | case V4L2_CID_BRIGHTNESS: |
Mauro Carvalho Chehab | 9afec49 | 2010-03-11 10:26:46 -0300 | [diff] [blame] | 1116 | val = tm6000_get_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, 0); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1117 | return 0; |
| 1118 | case V4L2_CID_SATURATION: |
Mauro Carvalho Chehab | 9afec49 | 2010-03-11 10:26:46 -0300 | [diff] [blame] | 1119 | val = tm6000_get_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, 0); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1120 | return 0; |
| 1121 | case V4L2_CID_HUE: |
Mauro Carvalho Chehab | 9afec49 | 2010-03-11 10:26:46 -0300 | [diff] [blame] | 1122 | val = tm6000_get_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, 0); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1123 | return 0; |
| 1124 | default: |
| 1125 | return -EINVAL; |
| 1126 | } |
| 1127 | |
| 1128 | if (val<0) |
| 1129 | return val; |
| 1130 | |
| 1131 | ctrl->value=val; |
| 1132 | |
| 1133 | return 0; |
| 1134 | } |
| 1135 | static int vidioc_s_ctrl (struct file *file, void *priv, |
| 1136 | struct v4l2_control *ctrl) |
| 1137 | { |
| 1138 | struct tm6000_fh *fh =priv; |
| 1139 | struct tm6000_core *dev = fh->dev; |
| 1140 | u8 val=ctrl->value; |
| 1141 | |
| 1142 | switch (ctrl->id) { |
| 1143 | case V4L2_CID_CONTRAST: |
Mauro Carvalho Chehab | 9afec49 | 2010-03-11 10:26:46 -0300 | [diff] [blame] | 1144 | tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1145 | return 0; |
| 1146 | case V4L2_CID_BRIGHTNESS: |
Mauro Carvalho Chehab | 9afec49 | 2010-03-11 10:26:46 -0300 | [diff] [blame] | 1147 | tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1148 | return 0; |
| 1149 | case V4L2_CID_SATURATION: |
Mauro Carvalho Chehab | 9afec49 | 2010-03-11 10:26:46 -0300 | [diff] [blame] | 1150 | tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1151 | return 0; |
| 1152 | case V4L2_CID_HUE: |
Mauro Carvalho Chehab | 9afec49 | 2010-03-11 10:26:46 -0300 | [diff] [blame] | 1153 | tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1154 | return 0; |
| 1155 | } |
| 1156 | return -EINVAL; |
| 1157 | } |
| 1158 | |
| 1159 | static int vidioc_g_tuner (struct file *file, void *priv, |
| 1160 | struct v4l2_tuner *t) |
| 1161 | { |
| 1162 | struct tm6000_fh *fh =priv; |
| 1163 | struct tm6000_core *dev = fh->dev; |
| 1164 | |
| 1165 | if (unlikely(UNSET == dev->tuner_type)) |
| 1166 | return -EINVAL; |
| 1167 | if (0 != t->index) |
| 1168 | return -EINVAL; |
| 1169 | |
| 1170 | strcpy(t->name, "Television"); |
| 1171 | t->type = V4L2_TUNER_ANALOG_TV; |
| 1172 | t->capability = V4L2_TUNER_CAP_NORM; |
| 1173 | t->rangehigh = 0xffffffffUL; |
| 1174 | t->rxsubchans = V4L2_TUNER_SUB_MONO; |
| 1175 | |
| 1176 | return 0; |
| 1177 | } |
| 1178 | |
| 1179 | static int vidioc_s_tuner (struct file *file, void *priv, |
| 1180 | struct v4l2_tuner *t) |
| 1181 | { |
| 1182 | struct tm6000_fh *fh =priv; |
| 1183 | struct tm6000_core *dev = fh->dev; |
| 1184 | |
| 1185 | if (UNSET == dev->tuner_type) |
| 1186 | return -EINVAL; |
| 1187 | if (0 != t->index) |
| 1188 | return -EINVAL; |
| 1189 | |
| 1190 | return 0; |
| 1191 | } |
| 1192 | |
| 1193 | static int vidioc_g_frequency (struct file *file, void *priv, |
| 1194 | struct v4l2_frequency *f) |
| 1195 | { |
| 1196 | struct tm6000_fh *fh =priv; |
| 1197 | struct tm6000_core *dev = fh->dev; |
| 1198 | |
| 1199 | if (unlikely(UNSET == dev->tuner_type)) |
| 1200 | return -EINVAL; |
| 1201 | |
| 1202 | f->type = V4L2_TUNER_ANALOG_TV; |
| 1203 | f->frequency = dev->freq; |
| 1204 | |
Mauro Carvalho Chehab | 427f7fa | 2009-09-14 16:37:13 -0300 | [diff] [blame] | 1205 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1206 | |
| 1207 | return 0; |
| 1208 | } |
| 1209 | |
| 1210 | static int vidioc_s_frequency (struct file *file, void *priv, |
| 1211 | struct v4l2_frequency *f) |
| 1212 | { |
| 1213 | struct tm6000_fh *fh =priv; |
| 1214 | struct tm6000_core *dev = fh->dev; |
| 1215 | |
| 1216 | if (unlikely(f->type != V4L2_TUNER_ANALOG_TV)) |
| 1217 | return -EINVAL; |
| 1218 | |
| 1219 | if (unlikely(UNSET == dev->tuner_type)) |
| 1220 | return -EINVAL; |
| 1221 | if (unlikely(f->tuner != 0)) |
| 1222 | return -EINVAL; |
| 1223 | |
| 1224 | // mutex_lock(&dev->lock); |
| 1225 | dev->freq = f->frequency; |
Mauro Carvalho Chehab | 64d339d | 2009-09-14 17:16:32 -0300 | [diff] [blame] | 1226 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1227 | // mutex_unlock(&dev->lock); |
| 1228 | |
| 1229 | return 0; |
| 1230 | } |
| 1231 | |
| 1232 | /* ------------------------------------------------------------------ |
| 1233 | File operations for the device |
| 1234 | ------------------------------------------------------------------*/ |
| 1235 | |
Mauro Carvalho Chehab | 64d339d | 2009-09-14 17:16:32 -0300 | [diff] [blame] | 1236 | static int tm6000_open(struct file *file) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1237 | { |
Mauro Carvalho Chehab | 0a34df5 | 2010-05-18 00:43:18 -0300 | [diff] [blame] | 1238 | struct video_device *vdev = video_devdata(file); |
| 1239 | struct tm6000_core *dev = video_drvdata(file); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1240 | struct tm6000_fh *fh; |
Mauro Carvalho Chehab | e8d0416 | 2010-05-18 04:27:27 -0300 | [diff] [blame] | 1241 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1242 | int i,rc; |
| 1243 | |
Mauro Carvalho Chehab | 0a34df5 | 2010-05-18 00:43:18 -0300 | [diff] [blame] | 1244 | printk(KERN_INFO "tm6000: open called (dev=%s)\n", |
| 1245 | video_device_node_name(vdev)); |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1246 | |
Mauro Carvalho Chehab | 0a34df5 | 2010-05-18 00:43:18 -0300 | [diff] [blame] | 1247 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n", |
| 1248 | video_device_node_name(vdev)); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1249 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1250 | |
| 1251 | /* If more than one user, mutex should be added */ |
| 1252 | dev->users++; |
| 1253 | |
Mauro Carvalho Chehab | 0a34df5 | 2010-05-18 00:43:18 -0300 | [diff] [blame] | 1254 | dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n", |
| 1255 | video_device_node_name(vdev), v4l2_type_names[type], |
| 1256 | dev->users); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1257 | |
| 1258 | /* allocate + initialize per filehandle data */ |
| 1259 | fh = kzalloc(sizeof(*fh),GFP_KERNEL); |
| 1260 | if (NULL == fh) { |
| 1261 | dev->users--; |
| 1262 | return -ENOMEM; |
| 1263 | } |
| 1264 | |
| 1265 | file->private_data = fh; |
| 1266 | fh->dev = dev; |
| 1267 | |
| 1268 | fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 1269 | dev->fourcc = format[0].fourcc; |
| 1270 | |
| 1271 | fh->fmt = format_by_fourcc(dev->fourcc); |
Mauro Carvalho Chehab | 4475c04 | 2007-09-03 21:51:45 -0300 | [diff] [blame] | 1272 | |
| 1273 | tm6000_get_std_res (dev); |
| 1274 | |
| 1275 | fh->width = dev->width; |
| 1276 | fh->height = dev->height; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1277 | |
| 1278 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, " |
| 1279 | "dev->vidq=0x%08lx\n", |
| 1280 | (unsigned long)fh,(unsigned long)dev,(unsigned long)&dev->vidq); |
| 1281 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " |
| 1282 | "queued=%d\n",list_empty(&dev->vidq.queued)); |
| 1283 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " |
| 1284 | "active=%d\n",list_empty(&dev->vidq.active)); |
| 1285 | |
| 1286 | /* initialize hardware on analog mode */ |
| 1287 | if (dev->mode!=TM6000_MODE_ANALOG) { |
| 1288 | rc=tm6000_init_analog_mode (dev); |
| 1289 | if (rc<0) |
| 1290 | return rc; |
| 1291 | |
| 1292 | /* Put all controls at a sane state */ |
| 1293 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) |
| 1294 | qctl_regs[i] =tm6000_qctrl[i].default_value; |
| 1295 | |
| 1296 | dev->mode=TM6000_MODE_ANALOG; |
| 1297 | } |
| 1298 | |
| 1299 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops, |
| 1300 | NULL, &dev->slock, |
| 1301 | fh->type, |
| 1302 | V4L2_FIELD_INTERLACED, |
Hans Verkuil | 08bff03 | 2010-09-20 17:39:46 -0300 | [diff] [blame^] | 1303 | sizeof(struct tm6000_buffer), fh, NULL); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1304 | |
| 1305 | return 0; |
| 1306 | } |
| 1307 | |
| 1308 | static ssize_t |
| 1309 | tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) |
| 1310 | { |
| 1311 | struct tm6000_fh *fh = file->private_data; |
| 1312 | |
| 1313 | if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
| 1314 | if (res_locked(fh->dev)) |
| 1315 | return -EBUSY; |
| 1316 | |
| 1317 | return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0, |
| 1318 | file->f_flags & O_NONBLOCK); |
| 1319 | } |
| 1320 | return 0; |
| 1321 | } |
| 1322 | |
| 1323 | static unsigned int |
| 1324 | tm6000_poll(struct file *file, struct poll_table_struct *wait) |
| 1325 | { |
| 1326 | struct tm6000_fh *fh = file->private_data; |
| 1327 | struct tm6000_buffer *buf; |
| 1328 | |
| 1329 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) |
| 1330 | return POLLERR; |
| 1331 | |
| 1332 | if (res_get(fh->dev,fh)) { |
| 1333 | /* streaming capture */ |
| 1334 | if (list_empty(&fh->vb_vidq.stream)) |
| 1335 | return POLLERR; |
| 1336 | buf = list_entry(fh->vb_vidq.stream.next,struct tm6000_buffer,vb.stream); |
| 1337 | } else { |
| 1338 | /* read() capture */ |
Mauro Carvalho Chehab | dc6a02a | 2007-08-27 07:55:38 -0300 | [diff] [blame] | 1339 | return videobuf_poll_stream(file, &fh->vb_vidq, |
| 1340 | wait); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1341 | } |
| 1342 | poll_wait(file, &buf->vb.done, wait); |
Mauro Carvalho Chehab | 47878f1 | 2007-11-15 16:37:35 -0300 | [diff] [blame] | 1343 | if (buf->vb.state == VIDEOBUF_DONE || |
| 1344 | buf->vb.state == VIDEOBUF_ERROR) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1345 | return POLLIN|POLLRDNORM; |
| 1346 | return 0; |
| 1347 | } |
| 1348 | |
Mauro Carvalho Chehab | 64d339d | 2009-09-14 17:16:32 -0300 | [diff] [blame] | 1349 | static int tm6000_release(struct file *file) |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1350 | { |
| 1351 | struct tm6000_fh *fh = file->private_data; |
| 1352 | struct tm6000_core *dev = fh->dev; |
Mauro Carvalho Chehab | 0a34df5 | 2010-05-18 00:43:18 -0300 | [diff] [blame] | 1353 | struct video_device *vdev = video_devdata(file); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1354 | |
Mauro Carvalho Chehab | 0a34df5 | 2010-05-18 00:43:18 -0300 | [diff] [blame] | 1355 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n", |
| 1356 | video_device_node_name(vdev), dev->users); |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1357 | |
Mauro Carvalho Chehab | a58d35c | 2007-06-17 17:14:12 -0300 | [diff] [blame] | 1358 | dev->users--; |
| 1359 | |
| 1360 | if (!dev->users) { |
Mauro Carvalho Chehab | c144c03 | 2008-04-09 01:49:19 -0300 | [diff] [blame] | 1361 | tm6000_uninit_isoc(dev); |
Mauro Carvalho Chehab | a58d35c | 2007-06-17 17:14:12 -0300 | [diff] [blame] | 1362 | videobuf_mmap_free(&fh->vb_vidq); |
| 1363 | } |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1364 | |
| 1365 | kfree (fh); |
| 1366 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1367 | return 0; |
| 1368 | } |
| 1369 | |
| 1370 | static int tm6000_mmap(struct file *file, struct vm_area_struct * vma) |
| 1371 | { |
| 1372 | struct tm6000_fh *fh = file->private_data; |
| 1373 | int ret; |
| 1374 | |
| 1375 | ret=videobuf_mmap_mapper(&fh->vb_vidq, vma); |
| 1376 | |
| 1377 | return ret; |
| 1378 | } |
| 1379 | |
Mauro Carvalho Chehab | 64d339d | 2009-09-14 17:16:32 -0300 | [diff] [blame] | 1380 | static struct v4l2_file_operations tm6000_fops = { |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1381 | .owner = THIS_MODULE, |
| 1382 | .open = tm6000_open, |
| 1383 | .release = tm6000_release, |
| 1384 | .ioctl = video_ioctl2, /* V4L2 ioctl handler */ |
| 1385 | .read = tm6000_read, |
| 1386 | .poll = tm6000_poll, |
| 1387 | .mmap = tm6000_mmap, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1388 | }; |
| 1389 | |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 1390 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
| 1391 | .vidioc_querycap = vidioc_querycap, |
| 1392 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
| 1393 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, |
| 1394 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, |
| 1395 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, |
| 1396 | .vidioc_s_std = vidioc_s_std, |
| 1397 | .vidioc_enum_input = vidioc_enum_input, |
| 1398 | .vidioc_g_input = vidioc_g_input, |
| 1399 | .vidioc_s_input = vidioc_s_input, |
| 1400 | .vidioc_queryctrl = vidioc_queryctrl, |
| 1401 | .vidioc_g_ctrl = vidioc_g_ctrl, |
| 1402 | .vidioc_s_ctrl = vidioc_s_ctrl, |
| 1403 | .vidioc_g_tuner = vidioc_g_tuner, |
| 1404 | .vidioc_s_tuner = vidioc_s_tuner, |
| 1405 | .vidioc_g_frequency = vidioc_g_frequency, |
| 1406 | .vidioc_s_frequency = vidioc_s_frequency, |
| 1407 | .vidioc_streamon = vidioc_streamon, |
| 1408 | .vidioc_streamoff = vidioc_streamoff, |
| 1409 | .vidioc_reqbufs = vidioc_reqbufs, |
| 1410 | .vidioc_querybuf = vidioc_querybuf, |
| 1411 | .vidioc_qbuf = vidioc_qbuf, |
| 1412 | .vidioc_dqbuf = vidioc_dqbuf, |
| 1413 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 1414 | .vidiocgmbuf = vidiocgmbuf, |
| 1415 | #endif |
| 1416 | }; |
| 1417 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1418 | static struct video_device tm6000_template = { |
| 1419 | .name = "tm6000", |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1420 | .fops = &tm6000_fops, |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 1421 | .ioctl_ops = &video_ioctl_ops, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1422 | .release = video_device_release, |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 1423 | .tvnorms = TM6000_STD, |
| 1424 | .current_norm = V4L2_STD_NTSC_M, |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1425 | }; |
Mauro Carvalho Chehab | 2a8145d | 2008-10-25 10:43:04 -0300 | [diff] [blame] | 1426 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1427 | /* ----------------------------------------------------------------- |
| 1428 | Initialization and module stuff |
| 1429 | ------------------------------------------------------------------*/ |
| 1430 | |
| 1431 | int tm6000_v4l2_register(struct tm6000_core *dev) |
| 1432 | { |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1433 | int ret = -1; |
| 1434 | struct video_device *vfd; |
| 1435 | |
| 1436 | vfd = video_device_alloc(); |
| 1437 | if(!vfd) { |
| 1438 | return -ENOMEM; |
| 1439 | } |
| 1440 | dev->vfd = vfd; |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1441 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1442 | /* init video dma queues */ |
| 1443 | INIT_LIST_HEAD(&dev->vidq.active); |
| 1444 | INIT_LIST_HEAD(&dev->vidq.queued); |
| 1445 | |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1446 | memcpy (dev->vfd, &tm6000_template, sizeof(*(dev->vfd))); |
| 1447 | dev->vfd->debug=tm6000_debug; |
Mauro Carvalho Chehab | 427f7fa | 2009-09-14 16:37:13 -0300 | [diff] [blame] | 1448 | vfd->v4l2_dev = &dev->v4l2_dev; |
Mauro Carvalho Chehab | e8d0416 | 2010-05-18 04:27:27 -0300 | [diff] [blame] | 1449 | video_set_drvdata(vfd, dev); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1450 | |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1451 | ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); |
Dmitri Belimov | e28f49b | 2010-02-22 06:32:15 -0300 | [diff] [blame] | 1452 | printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret); |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1453 | return ret; |
| 1454 | } |
| 1455 | |
| 1456 | int tm6000_v4l2_unregister(struct tm6000_core *dev) |
| 1457 | { |
Michel Ludwig | 7c3f53e | 2007-06-16 23:21:48 -0300 | [diff] [blame] | 1458 | video_unregister_device(dev->vfd); |
Michel Ludwig | 22927e8 | 2007-06-14 17:19:59 -0300 | [diff] [blame] | 1459 | |
Mauro Carvalho Chehab | 9701dc9 | 2009-09-14 09:42:41 -0300 | [diff] [blame] | 1460 | return 0; |
| 1461 | } |
| 1462 | |
| 1463 | int tm6000_v4l2_exit(void) |
| 1464 | { |
| 1465 | return 0; |
| 1466 | } |
| 1467 | |
| 1468 | module_param(video_nr, int, 0); |
| 1469 | MODULE_PARM_DESC(video_nr,"Allow changing video device number"); |
| 1470 | |
| 1471 | module_param_named (debug, tm6000_debug, int, 0444); |
| 1472 | MODULE_PARM_DESC(debug,"activates debug info"); |
| 1473 | |
| 1474 | module_param(vid_limit,int,0644); |
| 1475 | MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); |
| 1476 | |