Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1 | /* |
| 2 | cx231xx-video.c - driver for Conexant Cx23100/101/102 USB video capture devices |
| 3 | |
| 4 | Copyright (C) 2008 <srinivasa.deevi at conexant dot com> |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 5 | Based on em28xx driver |
| 6 | Based on cx23885 driver |
| 7 | Based on cx88 driver |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 8 | |
| 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; either version 2 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program; if not, write to the Free Software |
| 21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 22 | */ |
| 23 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 24 | #include <linux/init.h> |
| 25 | #include <linux/list.h> |
| 26 | #include <linux/module.h> |
| 27 | #include <linux/kernel.h> |
| 28 | #include <linux/bitmap.h> |
| 29 | #include <linux/usb.h> |
| 30 | #include <linux/i2c.h> |
| 31 | #include <linux/version.h> |
| 32 | #include <linux/mm.h> |
| 33 | #include <linux/mutex.h> |
| 34 | |
| 35 | #include <media/v4l2-common.h> |
| 36 | #include <media/v4l2-ioctl.h> |
| 37 | #include <media/v4l2-chip-ident.h> |
| 38 | #include <media/msp3400.h> |
| 39 | #include <media/tuner.h> |
| 40 | |
| 41 | #include "dvb_frontend.h" |
| 42 | |
| 43 | #include "cx231xx.h" |
| 44 | #include "cx231xx-vbi.h" |
| 45 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 46 | #define DRIVER_AUTHOR "Srinivasa Deevi <srinivasa.deevi@conexant.com>" |
| 47 | #define DRIVER_DESC "Conexant cx231xx based USB video device driver" |
| 48 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 49 | #define cx231xx_videodbg(fmt, arg...) do {\ |
| 50 | if (video_debug) \ |
| 51 | printk(KERN_INFO "%s %s :"fmt, \ |
| 52 | dev->name, __func__ , ##arg); } while (0) |
| 53 | |
| 54 | static unsigned int isoc_debug; |
| 55 | module_param(isoc_debug, int, 0644); |
| 56 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); |
| 57 | |
| 58 | #define cx231xx_isocdbg(fmt, arg...) \ |
| 59 | do {\ |
| 60 | if (isoc_debug) { \ |
| 61 | printk(KERN_INFO "%s %s :"fmt, \ |
| 62 | dev->name, __func__ , ##arg); \ |
| 63 | } \ |
| 64 | } while (0) |
| 65 | |
| 66 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 67 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 68 | MODULE_LICENSE("GPL"); |
| 69 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 70 | static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; |
| 71 | static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; |
| 72 | static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; |
| 73 | static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; |
| 74 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 75 | module_param_array(card, int, NULL, 0444); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 76 | module_param_array(video_nr, int, NULL, 0444); |
| 77 | module_param_array(vbi_nr, int, NULL, 0444); |
| 78 | module_param_array(radio_nr, int, NULL, 0444); |
| 79 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 80 | MODULE_PARM_DESC(card, "card type"); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 81 | MODULE_PARM_DESC(video_nr, "video device numbers"); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 82 | MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 83 | MODULE_PARM_DESC(radio_nr, "radio device numbers"); |
| 84 | |
| 85 | static unsigned int video_debug; |
| 86 | module_param(video_debug, int, 0644); |
| 87 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); |
| 88 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 89 | /* supported video standards */ |
| 90 | static struct cx231xx_fmt format[] = { |
| 91 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 92 | .name = "16bpp YUY2, 4:2:2, packed", |
| 93 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 94 | .depth = 16, |
| 95 | .reg = 0, |
| 96 | }, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 97 | }; |
| 98 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 99 | /* supported controls */ |
| 100 | /* Common to all boards */ |
| 101 | |
| 102 | /* ------------------------------------------------------------------- */ |
| 103 | |
| 104 | static const struct v4l2_queryctrl no_ctl = { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 105 | .name = "42", |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 106 | .flags = V4L2_CTRL_FLAG_DISABLED, |
| 107 | }; |
| 108 | |
| 109 | static struct cx231xx_ctrl cx231xx_ctls[] = { |
| 110 | /* --- video --- */ |
| 111 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 112 | .v = { |
| 113 | .id = V4L2_CID_BRIGHTNESS, |
| 114 | .name = "Brightness", |
| 115 | .minimum = 0x00, |
| 116 | .maximum = 0xff, |
| 117 | .step = 1, |
| 118 | .default_value = 0x7f, |
| 119 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 120 | }, |
| 121 | .off = 128, |
| 122 | .reg = LUMA_CTRL, |
| 123 | .mask = 0x00ff, |
| 124 | .shift = 0, |
| 125 | }, { |
| 126 | .v = { |
| 127 | .id = V4L2_CID_CONTRAST, |
| 128 | .name = "Contrast", |
| 129 | .minimum = 0, |
| 130 | .maximum = 0xff, |
| 131 | .step = 1, |
| 132 | .default_value = 0x3f, |
| 133 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 134 | }, |
| 135 | .off = 0, |
| 136 | .reg = LUMA_CTRL, |
| 137 | .mask = 0xff00, |
| 138 | .shift = 8, |
| 139 | }, { |
| 140 | .v = { |
| 141 | .id = V4L2_CID_HUE, |
| 142 | .name = "Hue", |
| 143 | .minimum = 0, |
| 144 | .maximum = 0xff, |
| 145 | .step = 1, |
| 146 | .default_value = 0x7f, |
| 147 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 148 | }, |
| 149 | .off = 128, |
| 150 | .reg = CHROMA_CTRL, |
| 151 | .mask = 0xff0000, |
| 152 | .shift = 16, |
| 153 | }, { |
| 154 | /* strictly, this only describes only U saturation. |
| 155 | * V saturation is handled specially through code. |
| 156 | */ |
| 157 | .v = { |
| 158 | .id = V4L2_CID_SATURATION, |
| 159 | .name = "Saturation", |
| 160 | .minimum = 0, |
| 161 | .maximum = 0xff, |
| 162 | .step = 1, |
| 163 | .default_value = 0x7f, |
| 164 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 165 | }, |
| 166 | .off = 0, |
| 167 | .reg = CHROMA_CTRL, |
| 168 | .mask = 0x00ff, |
| 169 | .shift = 0, |
| 170 | }, { |
| 171 | /* --- audio --- */ |
| 172 | .v = { |
| 173 | .id = V4L2_CID_AUDIO_MUTE, |
| 174 | .name = "Mute", |
| 175 | .minimum = 0, |
| 176 | .maximum = 1, |
| 177 | .default_value = 1, |
| 178 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 179 | }, |
| 180 | .reg = PATH1_CTL1, |
| 181 | .mask = (0x1f << 24), |
| 182 | .shift = 24, |
| 183 | }, { |
| 184 | .v = { |
| 185 | .id = V4L2_CID_AUDIO_VOLUME, |
| 186 | .name = "Volume", |
| 187 | .minimum = 0, |
| 188 | .maximum = 0x3f, |
| 189 | .step = 1, |
| 190 | .default_value = 0x3f, |
| 191 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 192 | }, |
| 193 | .reg = PATH1_VOL_CTL, |
| 194 | .mask = 0xff, |
| 195 | .shift = 0, |
| 196 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 197 | }; |
| 198 | static const int CX231XX_CTLS = ARRAY_SIZE(cx231xx_ctls); |
| 199 | |
| 200 | static const u32 cx231xx_user_ctrls[] = { |
| 201 | V4L2_CID_USER_CLASS, |
| 202 | V4L2_CID_BRIGHTNESS, |
| 203 | V4L2_CID_CONTRAST, |
| 204 | V4L2_CID_SATURATION, |
| 205 | V4L2_CID_HUE, |
| 206 | V4L2_CID_AUDIO_VOLUME, |
| 207 | #if 0 |
| 208 | V4L2_CID_AUDIO_BALANCE, |
| 209 | #endif |
| 210 | V4L2_CID_AUDIO_MUTE, |
| 211 | 0 |
| 212 | }; |
| 213 | |
| 214 | static const u32 *ctrl_classes[] = { |
| 215 | cx231xx_user_ctrls, |
| 216 | NULL |
| 217 | }; |
| 218 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 219 | /* ------------------------------------------------------------------ |
| 220 | Video buffer and parser functions |
| 221 | ------------------------------------------------------------------*/ |
| 222 | |
| 223 | /* |
| 224 | * Announces that a buffer were filled and request the next |
| 225 | */ |
| 226 | static inline void buffer_filled(struct cx231xx *dev, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 227 | struct cx231xx_dmaqueue *dma_q, |
| 228 | struct cx231xx_buffer *buf) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 229 | { |
| 230 | /* Advice that buffer was filled */ |
| 231 | cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); |
| 232 | buf->vb.state = VIDEOBUF_DONE; |
| 233 | buf->vb.field_count++; |
| 234 | do_gettimeofday(&buf->vb.ts); |
| 235 | |
| 236 | dev->video_mode.isoc_ctl.buf = NULL; |
| 237 | |
| 238 | list_del(&buf->vb.queue); |
| 239 | wake_up(&buf->vb.done); |
| 240 | } |
| 241 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 242 | static inline void print_err_status(struct cx231xx *dev, int packet, int status) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 243 | { |
| 244 | char *errmsg = "Unknown"; |
| 245 | |
| 246 | switch (status) { |
| 247 | case -ENOENT: |
| 248 | errmsg = "unlinked synchronuously"; |
| 249 | break; |
| 250 | case -ECONNRESET: |
| 251 | errmsg = "unlinked asynchronuously"; |
| 252 | break; |
| 253 | case -ENOSR: |
| 254 | errmsg = "Buffer error (overrun)"; |
| 255 | break; |
| 256 | case -EPIPE: |
| 257 | errmsg = "Stalled (device not responding)"; |
| 258 | break; |
| 259 | case -EOVERFLOW: |
| 260 | errmsg = "Babble (bad cable?)"; |
| 261 | break; |
| 262 | case -EPROTO: |
| 263 | errmsg = "Bit-stuff error (bad cable?)"; |
| 264 | break; |
| 265 | case -EILSEQ: |
| 266 | errmsg = "CRC/Timeout (could be anything)"; |
| 267 | break; |
| 268 | case -ETIME: |
| 269 | errmsg = "Device does not respond"; |
| 270 | break; |
| 271 | } |
| 272 | if (packet < 0) { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 273 | cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 274 | } else { |
| 275 | cx231xx_isocdbg("URB packet %d, status %d [%s].\n", |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 276 | packet, status, errmsg); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 277 | } |
| 278 | } |
| 279 | |
| 280 | /* |
| 281 | * video-buf generic routine to get the next available buffer |
| 282 | */ |
| 283 | static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 284 | struct cx231xx_buffer **buf) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 285 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 286 | struct cx231xx_video_mode *vmode = |
| 287 | container_of(dma_q, struct cx231xx_video_mode, vidq); |
| 288 | struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 289 | |
| 290 | char *outp; |
| 291 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 292 | if (list_empty(&dma_q->active)) { |
| 293 | cx231xx_isocdbg("No active queue to serve\n"); |
| 294 | dev->video_mode.isoc_ctl.buf = NULL; |
| 295 | *buf = NULL; |
| 296 | return; |
| 297 | } |
| 298 | |
| 299 | /* Get the next buffer */ |
| 300 | *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue); |
| 301 | |
| 302 | /* Cleans up buffer - Usefull for testing for frame/URB loss */ |
| 303 | outp = videobuf_to_vmalloc(&(*buf)->vb); |
| 304 | memset(outp, 0, (*buf)->vb.size); |
| 305 | |
| 306 | dev->video_mode.isoc_ctl.buf = *buf; |
| 307 | |
| 308 | return; |
| 309 | } |
| 310 | |
| 311 | /* |
| 312 | * Controls the isoc copy of each urb packet |
| 313 | */ |
| 314 | static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb) |
| 315 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 316 | struct cx231xx_buffer *buf; |
| 317 | struct cx231xx_dmaqueue *dma_q = urb->context; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 318 | unsigned char *outp = NULL; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 319 | int i, rc = 1; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 320 | unsigned char *p_buffer; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 321 | u32 bytes_parsed = 0, buffer_size = 0; |
| 322 | u8 sav_eav = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 323 | |
| 324 | if (!dev) |
| 325 | return 0; |
| 326 | |
| 327 | if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) |
| 328 | return 0; |
| 329 | |
| 330 | if (urb->status < 0) { |
| 331 | print_err_status(dev, -1, urb->status); |
| 332 | if (urb->status == -ENOENT) |
| 333 | return 0; |
| 334 | } |
| 335 | |
| 336 | buf = dev->video_mode.isoc_ctl.buf; |
| 337 | if (buf != NULL) |
| 338 | outp = videobuf_to_vmalloc(&buf->vb); |
| 339 | |
| 340 | for (i = 0; i < urb->number_of_packets; i++) { |
| 341 | int status = urb->iso_frame_desc[i].status; |
| 342 | |
| 343 | if (status < 0) { |
| 344 | print_err_status(dev, i, status); |
| 345 | if (urb->iso_frame_desc[i].status != -EPROTO) |
| 346 | continue; |
| 347 | } |
| 348 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 349 | if (urb->iso_frame_desc[i].actual_length <= 0) { |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 350 | /* cx231xx_isocdbg("packet %d is empty",i); - spammy */ |
| 351 | continue; |
| 352 | } |
| 353 | if (urb->iso_frame_desc[i].actual_length > |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 354 | dev->video_mode.max_pkt_size) { |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 355 | cx231xx_isocdbg("packet bigger than packet size"); |
| 356 | continue; |
| 357 | } |
| 358 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 359 | /* get buffer pointer and length */ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 360 | p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 361 | buffer_size = urb->iso_frame_desc[i].actual_length; |
| 362 | bytes_parsed = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 363 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 364 | if (dma_q->is_partial_line) { |
| 365 | /* Handle the case where we were working on a partial line */ |
| 366 | sav_eav = dma_q->last_sav; |
| 367 | } else { |
| 368 | /* Check for a SAV/EAV overlapping the buffer boundary */ |
| 369 | sav_eav = |
| 370 | cx231xx_find_boundary_SAV_EAV(p_buffer, |
| 371 | dma_q->partial_buf, |
| 372 | &bytes_parsed); |
| 373 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 374 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 375 | sav_eav &= 0xF0; |
| 376 | /* Get the first line if we have some portion of an SAV/EAV from the last buffer |
| 377 | or a partial line */ |
| 378 | if (sav_eav) { |
| 379 | bytes_parsed += cx231xx_get_video_line(dev, dma_q, sav_eav, /* SAV/EAV */ |
| 380 | p_buffer + bytes_parsed, /* p_buffer */ |
| 381 | buffer_size - bytes_parsed); /* buffer size */ |
| 382 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 383 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 384 | /* Now parse data that is completely in this buffer */ |
| 385 | /* dma_q->is_partial_line = 0; */ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 386 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 387 | while (bytes_parsed < buffer_size) { |
| 388 | u32 bytes_used = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 389 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 390 | sav_eav = cx231xx_find_next_SAV_EAV(p_buffer + bytes_parsed, /* p_buffer */ |
| 391 | buffer_size - bytes_parsed, /* buffer size */ |
| 392 | &bytes_used); /* Receives bytes used to get SAV/EAV */ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 393 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 394 | bytes_parsed += bytes_used; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 395 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 396 | sav_eav &= 0xF0; |
| 397 | if (sav_eav && (bytes_parsed < buffer_size)) { |
| 398 | bytes_parsed += cx231xx_get_video_line(dev, dma_q, sav_eav, /* SAV/EAV */ |
| 399 | p_buffer + bytes_parsed, /* p_buffer */ |
| 400 | buffer_size - bytes_parsed); /* buffer size */ |
| 401 | } |
| 402 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 403 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 404 | /* Save the last four bytes of the buffer so we can check the buffer boundary |
| 405 | condition next time */ |
| 406 | memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4); |
| 407 | bytes_parsed = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 408 | |
| 409 | } |
| 410 | return rc; |
| 411 | } |
| 412 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 413 | u8 cx231xx_find_boundary_SAV_EAV(u8 * p_buffer, u8 * partial_buf, |
| 414 | u32 * p_bytes_used) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 415 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 416 | u32 bytes_used; |
| 417 | u8 boundary_bytes[8]; |
| 418 | u8 sav_eav = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 419 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 420 | *p_bytes_used = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 421 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 422 | /* Create an array of the last 4 bytes of the last buffer and the first |
| 423 | 4 bytes of the current buffer. */ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 424 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 425 | memcpy(boundary_bytes, partial_buf, 4); |
| 426 | memcpy(boundary_bytes + 4, p_buffer, 4); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 427 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 428 | /* Check for the SAV/EAV in the boundary buffer */ |
| 429 | sav_eav = |
| 430 | cx231xx_find_next_SAV_EAV((u8 *) & boundary_bytes, 8, &bytes_used); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 431 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 432 | if (sav_eav) { |
| 433 | /* found a boundary SAV/EAV. Updates the bytes used to reflect |
| 434 | only those used in the new buffer */ |
| 435 | *p_bytes_used = bytes_used - 4; |
| 436 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 437 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 438 | return sav_eav; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 439 | } |
| 440 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 441 | u8 cx231xx_find_next_SAV_EAV(u8 * p_buffer, u32 buffer_size, u32 * p_bytes_used) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 442 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 443 | u32 i; |
| 444 | u8 sav_eav = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 445 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 446 | /* Don't search if the buffer size is less than 4. It causes a page fault since |
| 447 | buffer_size - 4 evaluates to a large number in that case. */ |
| 448 | if (buffer_size < 4) { |
| 449 | *p_bytes_used = buffer_size; |
| 450 | return 0; |
| 451 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 452 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 453 | for (i = 0; i < (buffer_size - 3); i++) { |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 454 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 455 | if ((p_buffer[i] == 0xFF) && |
| 456 | (p_buffer[i + 1] == 0x00) && (p_buffer[i + 2] == 0x00)) { |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 457 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 458 | *p_bytes_used = i + 4; |
| 459 | sav_eav = p_buffer[i + 3]; |
| 460 | return sav_eav; |
| 461 | } |
| 462 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 463 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 464 | *p_bytes_used = buffer_size; |
| 465 | return 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 466 | } |
| 467 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 468 | u32 cx231xx_get_video_line(struct cx231xx * dev, |
| 469 | struct cx231xx_dmaqueue * dma_q, u8 sav_eav, |
| 470 | u8 * p_buffer, u32 buffer_size) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 471 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 472 | u32 bytes_copied = 0; |
| 473 | int current_field = -1; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 474 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 475 | switch (sav_eav) { |
| 476 | case SAV_ACTIVE_VIDEO_FIELD1: |
| 477 | /* looking for skipped line which occurred in PAL 720x480 mode. In this case, |
| 478 | there will be no active data contained between the SAV and EAV */ |
| 479 | if ((buffer_size > 3) && |
| 480 | (p_buffer[0] == 0xFF) && (p_buffer[1] == 0x00) |
| 481 | && (p_buffer[2] == 0x00) |
| 482 | && ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) |
| 483 | || (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) |
| 484 | || (p_buffer[3] == EAV_VBLANK_FIELD1) |
| 485 | || (p_buffer[3] == EAV_VBLANK_FIELD2) |
| 486 | ) |
| 487 | ) { |
| 488 | return bytes_copied; |
| 489 | } |
| 490 | current_field = 1; |
| 491 | break; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 492 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 493 | case SAV_ACTIVE_VIDEO_FIELD2: |
| 494 | /* looking for skipped line which occurred in PAL 720x480 mode. In this case, |
| 495 | there will be no active data contained between the SAV and EAV */ |
| 496 | if ((buffer_size > 3) && |
| 497 | (p_buffer[0] == 0xFF) && (p_buffer[1] == 0x00) |
| 498 | && (p_buffer[2] == 0x00) |
| 499 | && ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) |
| 500 | || (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) |
| 501 | || (p_buffer[3] == EAV_VBLANK_FIELD1) |
| 502 | || (p_buffer[3] == EAV_VBLANK_FIELD2) |
| 503 | ) |
| 504 | ) { |
| 505 | return bytes_copied; |
| 506 | } |
| 507 | current_field = 2; |
| 508 | break; |
| 509 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 510 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 511 | dma_q->last_sav = sav_eav; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 512 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 513 | bytes_copied = |
| 514 | cx231xx_copy_video_line(dev, dma_q, p_buffer, buffer_size, |
| 515 | current_field); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 516 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 517 | return bytes_copied; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 518 | } |
| 519 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 520 | u32 cx231xx_copy_video_line(struct cx231xx * dev, |
| 521 | struct cx231xx_dmaqueue * dma_q, u8 * p_line, |
| 522 | u32 length, int field_number) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 523 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 524 | u32 bytes_to_copy; |
| 525 | struct cx231xx_buffer *buf; |
| 526 | u32 _line_size = dev->width * 2; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 527 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 528 | if (dma_q->current_field != field_number) { |
| 529 | cx231xx_reset_video_buffer(dev, dma_q); |
| 530 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 531 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 532 | /* get the buffer pointer */ |
| 533 | buf = dev->video_mode.isoc_ctl.buf; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 534 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 535 | /* Remember the field number for next time */ |
| 536 | dma_q->current_field = field_number; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 537 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 538 | bytes_to_copy = dma_q->bytes_left_in_line; |
| 539 | if (bytes_to_copy > length) |
| 540 | bytes_to_copy = length; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 541 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 542 | if (dma_q->lines_completed >= dma_q->lines_per_field) { |
| 543 | dma_q->bytes_left_in_line -= bytes_to_copy; |
| 544 | dma_q->is_partial_line = |
| 545 | (dma_q->bytes_left_in_line == 0) ? 0 : 1; |
| 546 | return 0; |
| 547 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 548 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 549 | dma_q->is_partial_line = 1; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 550 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 551 | /* If we don't have a buffer, just return the number of bytes we would |
| 552 | have copied if we had a buffer. */ |
| 553 | if (!buf) { |
| 554 | dma_q->bytes_left_in_line -= bytes_to_copy; |
| 555 | dma_q->is_partial_line = |
| 556 | (dma_q->bytes_left_in_line == 0) ? 0 : 1; |
| 557 | return bytes_to_copy; |
| 558 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 559 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 560 | /* copy the data to video buffer */ |
| 561 | cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 562 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 563 | dma_q->pos += bytes_to_copy; |
| 564 | dma_q->bytes_left_in_line -= bytes_to_copy; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 565 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 566 | if (dma_q->bytes_left_in_line == 0) { |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 567 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 568 | dma_q->bytes_left_in_line = _line_size; |
| 569 | dma_q->lines_completed++; |
| 570 | dma_q->is_partial_line = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 571 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 572 | if (cx231xx_is_buffer_done(dev, dma_q) && buf) { |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 573 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 574 | buffer_filled(dev, dma_q, buf); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 575 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 576 | dma_q->pos = 0; |
| 577 | buf = NULL; |
| 578 | dma_q->lines_completed = 0; |
| 579 | } |
| 580 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 581 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 582 | return bytes_to_copy; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 583 | } |
| 584 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 585 | void cx231xx_reset_video_buffer(struct cx231xx *dev, |
| 586 | struct cx231xx_dmaqueue *dma_q) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 587 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 588 | struct cx231xx_buffer *buf; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 589 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 590 | /* handle the switch from field 1 to field 2 */ |
| 591 | if (dma_q->current_field == 1) { |
| 592 | if (dma_q->lines_completed >= dma_q->lines_per_field) { |
| 593 | dma_q->field1_done = 1; |
| 594 | } else { |
| 595 | dma_q->field1_done = 0; |
| 596 | } |
| 597 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 598 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 599 | buf = dev->video_mode.isoc_ctl.buf; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 600 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 601 | if (buf == NULL) { |
| 602 | u8 *outp = NULL; |
| 603 | /* first try to get the buffer */ |
| 604 | get_next_buf(dma_q, &buf); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 605 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 606 | if (buf) |
| 607 | outp = videobuf_to_vmalloc(&buf->vb); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 608 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 609 | dma_q->pos = 0; |
| 610 | dma_q->field1_done = 0; |
| 611 | dma_q->current_field = -1; |
| 612 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 613 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 614 | /* reset the counters */ |
| 615 | dma_q->bytes_left_in_line = dev->width << 1; |
| 616 | dma_q->lines_completed = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 617 | } |
| 618 | |
| 619 | int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 620 | u8 * p_buffer, u32 bytes_to_copy) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 621 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 622 | u8 *p_out_buffer = NULL; |
| 623 | u32 current_line_bytes_copied = 0; |
| 624 | struct cx231xx_buffer *buf; |
| 625 | u32 _line_size = dev->width << 1; |
| 626 | void *startwrite; |
| 627 | int offset, lencopy; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 628 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 629 | buf = dev->video_mode.isoc_ctl.buf; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 630 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 631 | if (buf == NULL) |
| 632 | return -1; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 633 | |
| 634 | p_out_buffer = videobuf_to_vmalloc(&buf->vb); |
| 635 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 636 | current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 637 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 638 | /* Offset field 2 one line from the top of the buffer */ |
| 639 | offset = (dma_q->current_field == 1) ? 0 : _line_size; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 640 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 641 | /* Offset for field 2 */ |
| 642 | startwrite = p_out_buffer + offset; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 643 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 644 | /* lines already completed in the current field */ |
| 645 | startwrite += (dma_q->lines_completed * _line_size * 2); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 646 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 647 | /* bytes already completed in the current line */ |
| 648 | startwrite += current_line_bytes_copied; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 649 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 650 | lencopy = |
| 651 | dma_q->bytes_left_in_line > |
| 652 | bytes_to_copy ? bytes_to_copy : dma_q->bytes_left_in_line; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 653 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 654 | if ((u8 *) (startwrite + lencopy) > |
| 655 | (u8 *) (p_out_buffer + buf->vb.size)) { |
| 656 | return 0; |
| 657 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 658 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 659 | /* The below copies the UYVY data straight into video buffer */ |
| 660 | cx231xx_swab((u16 *) p_buffer, (u16 *) startwrite, (u16) lencopy); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 661 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 662 | return 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 663 | } |
| 664 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 665 | void cx231xx_swab(u16 * from, u16 * to, u16 len) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 666 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 667 | u16 i; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 668 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 669 | if (len <= 0) |
| 670 | return; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 671 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 672 | for (i = 0; i < len / 2; i++) { |
| 673 | to[i] = (from[i] << 8) | (from[i] >> 8); |
| 674 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 675 | } |
| 676 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 677 | u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 678 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 679 | u8 buffer_complete = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 680 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 681 | /* Dual field stream */ |
| 682 | buffer_complete = |
| 683 | ((dma_q->current_field == 2) && |
| 684 | (dma_q->lines_completed >= dma_q->lines_per_field) && |
| 685 | dma_q->field1_done); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 686 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 687 | return buffer_complete; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 688 | } |
| 689 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 690 | /* ------------------------------------------------------------------ |
| 691 | Videobuf operations |
| 692 | ------------------------------------------------------------------*/ |
| 693 | |
| 694 | static int |
| 695 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) |
| 696 | { |
| 697 | struct cx231xx_fh *fh = vq->priv_data; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 698 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 699 | struct v4l2_frequency f; |
| 700 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 701 | *size = |
| 702 | (fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 703 | if (0 == *count) |
| 704 | *count = CX231XX_DEF_BUF; |
| 705 | |
| 706 | if (*count < CX231XX_MIN_BUF) |
| 707 | *count = CX231XX_MIN_BUF; |
| 708 | |
| 709 | /* Ask tuner to go to analog mode */ |
| 710 | memset(&f, 0, sizeof(f)); |
| 711 | f.frequency = dev->ctl_freq; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 712 | f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 713 | |
| 714 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], VIDIOC_S_FREQUENCY, &f); |
| 715 | |
| 716 | return 0; |
| 717 | } |
| 718 | |
| 719 | /* This is called *without* dev->slock held; please keep it that way */ |
| 720 | static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf) |
| 721 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 722 | struct cx231xx_fh *fh = vq->priv_data; |
| 723 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 724 | unsigned long flags = 0; |
| 725 | if (in_interrupt()) |
| 726 | BUG(); |
| 727 | |
| 728 | /* We used to wait for the buffer to finish here, but this didn't work |
| 729 | because, as we were keeping the state as VIDEOBUF_QUEUED, |
| 730 | videobuf_queue_cancel marked it as finished for us. |
| 731 | (Also, it could wedge forever if the hardware was misconfigured.) |
| 732 | |
| 733 | This should be safe; by the time we get here, the buffer isn't |
| 734 | queued anymore. If we ever start marking the buffers as |
| 735 | VIDEOBUF_ACTIVE, it won't be, though. |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 736 | */ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 737 | spin_lock_irqsave(&dev->video_mode.slock, flags); |
| 738 | if (dev->video_mode.isoc_ctl.buf == buf) |
| 739 | dev->video_mode.isoc_ctl.buf = NULL; |
| 740 | spin_unlock_irqrestore(&dev->video_mode.slock, flags); |
| 741 | |
| 742 | videobuf_vmalloc_free(&buf->vb); |
| 743 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
| 744 | } |
| 745 | |
| 746 | static int |
| 747 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 748 | enum v4l2_field field) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 749 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 750 | struct cx231xx_fh *fh = vq->priv_data; |
| 751 | struct cx231xx_buffer *buf = |
| 752 | container_of(vb, struct cx231xx_buffer, vb); |
| 753 | struct cx231xx *dev = fh->dev; |
| 754 | int rc = 0, urb_init = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 755 | |
| 756 | /* The only currently supported format is 16 bits/pixel */ |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 757 | buf->vb.size = |
| 758 | (fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 759 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 760 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 761 | return -EINVAL; |
| 762 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 763 | buf->vb.width = dev->width; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 764 | buf->vb.height = dev->height; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 765 | buf->vb.field = field; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 766 | |
| 767 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
| 768 | rc = videobuf_iolock(vq, &buf->vb, NULL); |
| 769 | if (rc < 0) |
| 770 | goto fail; |
| 771 | } |
| 772 | |
| 773 | if (!dev->video_mode.isoc_ctl.num_bufs) |
| 774 | urb_init = 1; |
| 775 | |
| 776 | if (urb_init) { |
| 777 | rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 778 | CX231XX_NUM_BUFS, |
| 779 | dev->video_mode.max_pkt_size, |
| 780 | cx231xx_isoc_copy); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 781 | if (rc < 0) |
| 782 | goto fail; |
| 783 | } |
| 784 | |
| 785 | buf->vb.state = VIDEOBUF_PREPARED; |
| 786 | return 0; |
| 787 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 788 | fail: |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 789 | free_buffer(vq, buf); |
| 790 | return rc; |
| 791 | } |
| 792 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 793 | static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 794 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 795 | struct cx231xx_buffer *buf = |
| 796 | container_of(vb, struct cx231xx_buffer, vb); |
| 797 | struct cx231xx_fh *fh = vq->priv_data; |
| 798 | struct cx231xx *dev = fh->dev; |
| 799 | struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 800 | |
| 801 | buf->vb.state = VIDEOBUF_QUEUED; |
| 802 | list_add_tail(&buf->vb.queue, &vidq->active); |
| 803 | |
| 804 | } |
| 805 | |
| 806 | static void buffer_release(struct videobuf_queue *vq, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 807 | struct videobuf_buffer *vb) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 808 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 809 | struct cx231xx_buffer *buf = |
| 810 | container_of(vb, struct cx231xx_buffer, vb); |
| 811 | struct cx231xx_fh *fh = vq->priv_data; |
| 812 | struct cx231xx *dev = (struct cx231xx *)fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 813 | |
| 814 | cx231xx_isocdbg("cx231xx: called buffer_release\n"); |
| 815 | |
| 816 | free_buffer(vq, buf); |
| 817 | } |
| 818 | |
| 819 | static struct videobuf_queue_ops cx231xx_video_qops = { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 820 | .buf_setup = buffer_setup, |
| 821 | .buf_prepare = buffer_prepare, |
| 822 | .buf_queue = buffer_queue, |
| 823 | .buf_release = buffer_release, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 824 | }; |
| 825 | |
| 826 | /********************* v4l2 interface **************************************/ |
| 827 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 828 | void video_mux(struct cx231xx *dev, int index) |
| 829 | { |
| 830 | |
| 831 | struct v4l2_routing route; |
| 832 | |
| 833 | route.input = INPUT(index)->vmux; |
| 834 | route.output = 0; |
| 835 | dev->video_input = index; |
| 836 | dev->ctl_ainput = INPUT(index)->amux; |
| 837 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 838 | cx231xx_set_video_input_mux(dev, index); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 839 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 840 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_INT_S_VIDEO_ROUTING, |
| 841 | &route); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 842 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 843 | cx231xx_set_audio_input(dev, dev->ctl_ainput); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 844 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 845 | cx231xx_info("video_mux : %d\n", index); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 846 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 847 | /* do mode control overrides if required */ |
| 848 | cx231xx_do_mode_ctrl_overrides(dev); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 849 | } |
| 850 | |
| 851 | /* Usage lock check functions */ |
| 852 | static int res_get(struct cx231xx_fh *fh) |
| 853 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 854 | struct cx231xx *dev = fh->dev; |
| 855 | int rc = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 856 | |
| 857 | /* This instance already has stream_on */ |
| 858 | if (fh->stream_on) |
| 859 | return rc; |
| 860 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 861 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
| 862 | if (dev->stream_on) |
| 863 | return -EBUSY; |
| 864 | dev->stream_on = 1; |
| 865 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
| 866 | if (dev->vbi_stream_on) |
| 867 | return -EBUSY; |
| 868 | dev->vbi_stream_on = 1; |
| 869 | } else |
| 870 | return -EINVAL; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 871 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 872 | fh->stream_on = 1; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 873 | |
| 874 | return rc; |
| 875 | } |
| 876 | |
| 877 | static int res_check(struct cx231xx_fh *fh) |
| 878 | { |
| 879 | return (fh->stream_on); |
| 880 | } |
| 881 | |
| 882 | static void res_free(struct cx231xx_fh *fh) |
| 883 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 884 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 885 | |
| 886 | fh->stream_on = 0; |
| 887 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 888 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 889 | dev->stream_on = 0; |
| 890 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) |
| 891 | dev->vbi_stream_on = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 892 | } |
| 893 | |
| 894 | static int check_dev(struct cx231xx *dev) |
| 895 | { |
| 896 | if (dev->state & DEV_DISCONNECTED) { |
| 897 | cx231xx_errdev("v4l2 ioctl: device not present\n"); |
| 898 | return -ENODEV; |
| 899 | } |
| 900 | |
| 901 | if (dev->state & DEV_MISCONFIGURED) { |
| 902 | cx231xx_errdev("v4l2 ioctl: device is misconfigured; " |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 903 | "close and open it again\n"); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 904 | return -EIO; |
| 905 | } |
| 906 | return 0; |
| 907 | } |
| 908 | |
| 909 | void get_scale(struct cx231xx *dev, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 910 | unsigned int width, unsigned int height, |
| 911 | unsigned int *hscale, unsigned int *vscale) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 912 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 913 | unsigned int maxw = norm_maxw(dev); |
| 914 | unsigned int maxh = norm_maxh(dev); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 915 | |
| 916 | *hscale = (((unsigned long)maxw) << 12) / width - 4096L; |
| 917 | if (*hscale >= 0x4000) |
| 918 | *hscale = 0x3fff; |
| 919 | |
| 920 | *vscale = (((unsigned long)maxh) << 12) / height - 4096L; |
| 921 | if (*vscale >= 0x4000) |
| 922 | *vscale = 0x3fff; |
| 923 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 924 | dev->hscale = *hscale; |
| 925 | dev->vscale = *vscale; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 926 | |
| 927 | } |
| 928 | |
| 929 | /* ------------------------------------------------------------------ |
| 930 | IOCTL vidioc handling |
| 931 | ------------------------------------------------------------------*/ |
| 932 | |
| 933 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 934 | struct v4l2_format *f) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 935 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 936 | struct cx231xx_fh *fh = priv; |
| 937 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 938 | |
| 939 | mutex_lock(&dev->lock); |
| 940 | |
| 941 | f->fmt.pix.width = dev->width; |
| 942 | f->fmt.pix.height = dev->height; |
| 943 | f->fmt.pix.pixelformat = dev->format->fourcc;; |
| 944 | f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3;; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 945 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 946 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
| 947 | |
| 948 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; |
| 949 | |
| 950 | mutex_unlock(&dev->lock); |
| 951 | return 0; |
| 952 | } |
| 953 | |
| 954 | static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc) |
| 955 | { |
| 956 | unsigned int i; |
| 957 | |
| 958 | for (i = 0; i < ARRAY_SIZE(format); i++) |
| 959 | if (format[i].fourcc == fourcc) |
| 960 | return &format[i]; |
| 961 | |
| 962 | return NULL; |
| 963 | } |
| 964 | |
| 965 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 966 | struct v4l2_format *f) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 967 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 968 | struct cx231xx_fh *fh = priv; |
| 969 | struct cx231xx *dev = fh->dev; |
| 970 | int width = f->fmt.pix.width; |
| 971 | int height = f->fmt.pix.height; |
| 972 | unsigned int maxw = norm_maxw(dev); |
| 973 | unsigned int maxh = norm_maxh(dev); |
| 974 | unsigned int hscale, vscale; |
| 975 | struct cx231xx_fmt *fmt; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 976 | |
| 977 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| 978 | if (!fmt) { |
| 979 | cx231xx_videodbg("Fourcc format (%08x) invalid.\n", |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 980 | f->fmt.pix.pixelformat); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 981 | return -EINVAL; |
| 982 | } |
| 983 | |
| 984 | /* width must even because of the YUYV format |
| 985 | height must be even because of interlacing */ |
| 986 | height &= 0xfffe; |
| 987 | width &= 0xfffe; |
| 988 | |
| 989 | if (unlikely(height < 32)) |
| 990 | height = 32; |
| 991 | if (unlikely(height > maxh)) |
| 992 | height = maxh; |
| 993 | if (unlikely(width < 48)) |
| 994 | width = 48; |
| 995 | if (unlikely(width > maxw)) |
| 996 | width = maxw; |
| 997 | |
| 998 | get_scale(dev, width, height, &hscale, &vscale); |
| 999 | |
| 1000 | width = (((unsigned long)maxw) << 12) / (hscale + 4096L); |
| 1001 | height = (((unsigned long)maxh) << 12) / (vscale + 4096L); |
| 1002 | |
| 1003 | f->fmt.pix.width = width; |
| 1004 | f->fmt.pix.height = height; |
| 1005 | f->fmt.pix.pixelformat = fmt->fourcc; |
| 1006 | f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3; |
| 1007 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; |
| 1008 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
| 1009 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; |
| 1010 | |
| 1011 | return 0; |
| 1012 | } |
| 1013 | |
| 1014 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1015 | struct v4l2_format *f) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1016 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1017 | struct cx231xx_fh *fh = priv; |
| 1018 | struct cx231xx *dev = fh->dev; |
| 1019 | int rc; |
| 1020 | struct cx231xx_fmt *fmt; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1021 | |
| 1022 | rc = check_dev(dev); |
| 1023 | if (rc < 0) |
| 1024 | return rc; |
| 1025 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1026 | mutex_lock(&dev->lock); |
| 1027 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1028 | vidioc_try_fmt_vid_cap(file, priv, f); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1029 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1030 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1031 | if (!fmt) { |
| 1032 | rc = -EINVAL; |
| 1033 | goto out; |
| 1034 | } |
| 1035 | |
| 1036 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { |
| 1037 | cx231xx_errdev("%s queue busy\n", __func__); |
| 1038 | rc = -EBUSY; |
| 1039 | goto out; |
| 1040 | } |
| 1041 | |
| 1042 | if (dev->stream_on && !fh->stream_on) { |
| 1043 | cx231xx_errdev("%s device in use by another fh\n", __func__); |
| 1044 | rc = -EBUSY; |
| 1045 | goto out; |
| 1046 | } |
| 1047 | |
| 1048 | /* set new image size */ |
| 1049 | dev->width = f->fmt.pix.width; |
| 1050 | dev->height = f->fmt.pix.height; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1051 | dev->format = fmt; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1052 | get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); |
| 1053 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1054 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_S_FMT, f); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1055 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1056 | /* Set the correct alternate setting for this resolution */ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1057 | cx231xx_resolution_set(dev); |
| 1058 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1059 | out: |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1060 | mutex_unlock(&dev->lock); |
| 1061 | return rc; |
| 1062 | } |
| 1063 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1064 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id * id) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1065 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1066 | struct cx231xx_fh *fh = priv; |
| 1067 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1068 | |
| 1069 | *id = dev->norm; |
| 1070 | return 0; |
| 1071 | } |
| 1072 | |
| 1073 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * norm) |
| 1074 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1075 | struct cx231xx_fh *fh = priv; |
| 1076 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1077 | struct v4l2_format f; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1078 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1079 | |
| 1080 | rc = check_dev(dev); |
| 1081 | if (rc < 0) |
| 1082 | return rc; |
| 1083 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1084 | cx231xx_info("vidioc_s_std : 0x%x\n", (unsigned int)*norm); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1085 | |
| 1086 | mutex_lock(&dev->lock); |
| 1087 | dev->norm = *norm; |
| 1088 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1089 | /* Adjusts width/height, if needed */ |
| 1090 | f.fmt.pix.width = dev->width; |
| 1091 | f.fmt.pix.height = dev->height; |
| 1092 | vidioc_try_fmt_vid_cap(file, priv, &f); |
| 1093 | |
| 1094 | /* set new image size */ |
| 1095 | dev->width = f.fmt.pix.width; |
| 1096 | dev->height = f.fmt.pix.height; |
| 1097 | get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); |
| 1098 | |
| 1099 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_S_STD, &dev->norm); |
| 1100 | |
| 1101 | mutex_unlock(&dev->lock); |
| 1102 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1103 | cx231xx_resolution_set(dev); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1104 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1105 | /* do mode control overrides */ |
| 1106 | cx231xx_do_mode_ctrl_overrides(dev); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1107 | |
| 1108 | return 0; |
| 1109 | } |
| 1110 | |
| 1111 | static const char *iname[] = { |
| 1112 | [CX231XX_VMUX_COMPOSITE1] = "Composite1", |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1113 | [CX231XX_VMUX_SVIDEO] = "S-Video", |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1114 | [CX231XX_VMUX_TELEVISION] = "Television", |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1115 | [CX231XX_VMUX_CABLE] = "Cable TV", |
| 1116 | [CX231XX_VMUX_DVB] = "DVB", |
| 1117 | [CX231XX_VMUX_DEBUG] = "for debug only", |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1118 | }; |
| 1119 | |
| 1120 | static int vidioc_enum_input(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1121 | struct v4l2_input *i) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1122 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1123 | struct cx231xx_fh *fh = priv; |
| 1124 | struct cx231xx *dev = fh->dev; |
| 1125 | unsigned int n; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1126 | |
| 1127 | n = i->index; |
| 1128 | if (n >= MAX_CX231XX_INPUT) |
| 1129 | return -EINVAL; |
| 1130 | if (0 == INPUT(n)->type) |
| 1131 | return -EINVAL; |
| 1132 | |
| 1133 | i->index = n; |
| 1134 | i->type = V4L2_INPUT_TYPE_CAMERA; |
| 1135 | |
| 1136 | strcpy(i->name, iname[INPUT(n)->type]); |
| 1137 | |
| 1138 | if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) || |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1139 | (CX231XX_VMUX_CABLE == INPUT(n)->type)) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1140 | i->type = V4L2_INPUT_TYPE_TUNER; |
| 1141 | |
| 1142 | i->std = dev->vdev->tvnorms; |
| 1143 | |
| 1144 | return 0; |
| 1145 | } |
| 1146 | |
| 1147 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
| 1148 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1149 | struct cx231xx_fh *fh = priv; |
| 1150 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1151 | |
| 1152 | *i = dev->video_input; |
| 1153 | |
| 1154 | return 0; |
| 1155 | } |
| 1156 | |
| 1157 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) |
| 1158 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1159 | struct cx231xx_fh *fh = priv; |
| 1160 | struct cx231xx *dev = fh->dev; |
| 1161 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1162 | |
| 1163 | rc = check_dev(dev); |
| 1164 | if (rc < 0) |
| 1165 | return rc; |
| 1166 | |
| 1167 | if (i >= MAX_CX231XX_INPUT) |
| 1168 | return -EINVAL; |
| 1169 | if (0 == INPUT(i)->type) |
| 1170 | return -EINVAL; |
| 1171 | |
| 1172 | mutex_lock(&dev->lock); |
| 1173 | |
| 1174 | video_mux(dev, i); |
| 1175 | |
| 1176 | mutex_unlock(&dev->lock); |
| 1177 | return 0; |
| 1178 | } |
| 1179 | |
| 1180 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) |
| 1181 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1182 | struct cx231xx_fh *fh = priv; |
| 1183 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1184 | |
| 1185 | switch (a->index) { |
| 1186 | case CX231XX_AMUX_VIDEO: |
| 1187 | strcpy(a->name, "Television"); |
| 1188 | break; |
| 1189 | case CX231XX_AMUX_LINE_IN: |
| 1190 | strcpy(a->name, "Line In"); |
| 1191 | break; |
| 1192 | default: |
| 1193 | return -EINVAL; |
| 1194 | } |
| 1195 | |
| 1196 | a->index = dev->ctl_ainput; |
| 1197 | a->capability = V4L2_AUDCAP_STEREO; |
| 1198 | |
| 1199 | return 0; |
| 1200 | } |
| 1201 | |
| 1202 | static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) |
| 1203 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1204 | struct cx231xx_fh *fh = priv; |
| 1205 | struct cx231xx *dev = fh->dev; |
| 1206 | int status = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1207 | |
| 1208 | /* Doesn't allow manual routing */ |
| 1209 | if (a->index != dev->ctl_ainput) |
| 1210 | return -EINVAL; |
| 1211 | |
| 1212 | dev->ctl_ainput = INPUT(a->index)->amux; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1213 | status = cx231xx_set_audio_input(dev, dev->ctl_ainput); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1214 | |
| 1215 | return status; |
| 1216 | } |
| 1217 | |
| 1218 | static int vidioc_queryctrl(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1219 | struct v4l2_queryctrl *qc) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1220 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1221 | struct cx231xx_fh *fh = priv; |
| 1222 | struct cx231xx *dev = fh->dev; |
| 1223 | int id = qc->id; |
| 1224 | int i; |
| 1225 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1226 | |
| 1227 | rc = check_dev(dev); |
| 1228 | if (rc < 0) |
| 1229 | return rc; |
| 1230 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1231 | qc->id = v4l2_ctrl_next(ctrl_classes, qc->id); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1232 | if (unlikely(qc->id == 0)) |
| 1233 | return -EINVAL; |
| 1234 | |
| 1235 | memset(qc, 0, sizeof(*qc)); |
| 1236 | |
| 1237 | qc->id = id; |
| 1238 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1239 | if (qc->id < V4L2_CID_BASE || qc->id >= V4L2_CID_LASTP1) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1240 | return -EINVAL; |
| 1241 | |
| 1242 | for (i = 0; i < CX231XX_CTLS; i++) |
| 1243 | if (cx231xx_ctls[i].v.id == qc->id) |
| 1244 | break; |
| 1245 | |
| 1246 | if (i == CX231XX_CTLS) { |
| 1247 | *qc = no_ctl; |
| 1248 | return 0; |
| 1249 | } |
| 1250 | *qc = cx231xx_ctls[i].v; |
| 1251 | |
| 1252 | mutex_lock(&dev->lock); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1253 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_QUERYCTRL, qc); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1254 | mutex_unlock(&dev->lock); |
| 1255 | |
| 1256 | if (qc->type) |
| 1257 | return 0; |
| 1258 | else |
| 1259 | return -EINVAL; |
| 1260 | } |
| 1261 | |
| 1262 | static int vidioc_g_ctrl(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1263 | struct v4l2_control *ctrl) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1264 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1265 | struct cx231xx_fh *fh = priv; |
| 1266 | struct cx231xx *dev = fh->dev; |
| 1267 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1268 | |
| 1269 | rc = check_dev(dev); |
| 1270 | if (rc < 0) |
| 1271 | return rc; |
| 1272 | |
| 1273 | mutex_lock(&dev->lock); |
| 1274 | |
| 1275 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_G_CTRL, ctrl); |
| 1276 | |
| 1277 | mutex_unlock(&dev->lock); |
| 1278 | return rc; |
| 1279 | } |
| 1280 | |
| 1281 | static int vidioc_s_ctrl(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1282 | struct v4l2_control *ctrl) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1283 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1284 | struct cx231xx_fh *fh = priv; |
| 1285 | struct cx231xx *dev = fh->dev; |
| 1286 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1287 | |
| 1288 | rc = check_dev(dev); |
| 1289 | if (rc < 0) |
| 1290 | return rc; |
| 1291 | |
| 1292 | mutex_lock(&dev->lock); |
| 1293 | |
| 1294 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_S_CTRL, ctrl); |
| 1295 | |
| 1296 | mutex_unlock(&dev->lock); |
| 1297 | return rc; |
| 1298 | } |
| 1299 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1300 | static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1301 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1302 | struct cx231xx_fh *fh = priv; |
| 1303 | struct cx231xx *dev = fh->dev; |
| 1304 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1305 | |
| 1306 | rc = check_dev(dev); |
| 1307 | if (rc < 0) |
| 1308 | return rc; |
| 1309 | |
| 1310 | if (0 != t->index) |
| 1311 | return -EINVAL; |
| 1312 | |
| 1313 | strcpy(t->name, "Tuner"); |
| 1314 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1315 | t->type = V4L2_TUNER_ANALOG_TV; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1316 | t->capability = V4L2_TUNER_CAP_NORM; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1317 | t->rangehigh = 0xffffffffUL; |
| 1318 | t->signal = 0xffff; /* LOCKED */ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1319 | |
| 1320 | return 0; |
| 1321 | } |
| 1322 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1323 | static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1324 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1325 | struct cx231xx_fh *fh = priv; |
| 1326 | struct cx231xx *dev = fh->dev; |
| 1327 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1328 | |
| 1329 | rc = check_dev(dev); |
| 1330 | if (rc < 0) |
| 1331 | return rc; |
| 1332 | |
| 1333 | if (0 != t->index) |
| 1334 | return -EINVAL; |
| 1335 | #if 0 |
| 1336 | mutex_lock(&dev->lock); |
| 1337 | |
| 1338 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], VIDIOC_S_TUNER, t); |
| 1339 | |
| 1340 | mutex_unlock(&dev->lock); |
| 1341 | #endif |
| 1342 | return 0; |
| 1343 | } |
| 1344 | |
| 1345 | static int vidioc_g_frequency(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1346 | struct v4l2_frequency *f) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1347 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1348 | struct cx231xx_fh *fh = priv; |
| 1349 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1350 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1351 | mutex_lock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1352 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
| 1353 | f->frequency = dev->ctl_freq; |
| 1354 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1355 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], VIDIOC_G_FREQUENCY, f); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1356 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1357 | mutex_unlock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1358 | |
| 1359 | return 0; |
| 1360 | } |
| 1361 | |
| 1362 | static int vidioc_s_frequency(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1363 | struct v4l2_frequency *f) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1364 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1365 | struct cx231xx_fh *fh = priv; |
| 1366 | struct cx231xx *dev = fh->dev; |
| 1367 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1368 | |
| 1369 | rc = check_dev(dev); |
| 1370 | if (rc < 0) |
| 1371 | return rc; |
| 1372 | |
| 1373 | if (0 != f->tuner) |
| 1374 | return -EINVAL; |
| 1375 | |
| 1376 | if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) |
| 1377 | return -EINVAL; |
| 1378 | if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) |
| 1379 | return -EINVAL; |
| 1380 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1381 | /* set pre channel change settings in DIF first */ |
| 1382 | rc = cx231xx_tuner_pre_channel_change(dev); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1383 | |
| 1384 | mutex_lock(&dev->lock); |
| 1385 | |
| 1386 | dev->ctl_freq = f->frequency; |
| 1387 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1388 | if (dev->tuner_type == TUNER_XC5000) { |
| 1389 | if (dev->cx231xx_set_analog_freq != NULL) { |
| 1390 | dev->cx231xx_set_analog_freq(dev, f->frequency); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1391 | } |
| 1392 | } else { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1393 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], VIDIOC_S_FREQUENCY, |
| 1394 | f); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1395 | } |
| 1396 | |
| 1397 | mutex_unlock(&dev->lock); |
| 1398 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1399 | /* set post channel change settings in DIF first */ |
| 1400 | rc = cx231xx_tuner_post_channel_change(dev); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1401 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1402 | cx231xx_info("Set New FREQUENCY to %d\n", f->frequency); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1403 | |
| 1404 | return rc; |
| 1405 | } |
| 1406 | |
| 1407 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 1408 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1409 | /* |
| 1410 | -R, --list-registers=type=<host/i2cdrv/i2caddr>,chip=<chip>[,min=<addr>,max=<addr>] |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1411 | dump registers from <min> to <max> [VIDIOC_DBG_G_REGISTER] |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1412 | -r, --set-register=type=<host/i2cdrv/i2caddr>,chip=<chip>,reg=<addr>,val=<val> |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1413 | set the register [VIDIOC_DBG_S_REGISTER] |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1414 | |
| 1415 | if type == host, then <chip> is the hosts chip ID (default 0) |
| 1416 | if type == i2cdrv (default), then <chip> is the I2C driver name or ID |
| 1417 | if type == i2caddr, then <chip> is the 7-bit I2C address |
| 1418 | */ |
| 1419 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1420 | static int vidioc_g_register(struct file *file, void *priv, |
| 1421 | struct v4l2_dbg_register *reg) |
| 1422 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1423 | struct cx231xx_fh *fh = priv; |
| 1424 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1425 | int ret = 0; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1426 | u8 value[4] = { 0, 0, 0, 0 }; |
| 1427 | u32 data = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1428 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1429 | switch (reg->match.type) { |
| 1430 | case V4L2_CHIP_MATCH_HOST: |
| 1431 | switch (reg->match.addr) { |
| 1432 | case 0: /* Cx231xx - internal registers */ |
| 1433 | ret = |
| 1434 | cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, |
| 1435 | (u16) reg->reg, value, 4); |
| 1436 | reg->val = |
| 1437 | value[0] | value[1] << 8 | value[2] << 16 | value[3] |
| 1438 | << 24; |
| 1439 | break; |
| 1440 | case 1: /* Colibri - read byte */ |
| 1441 | ret = |
| 1442 | cx231xx_read_i2c_data(dev, Colibri_DEVICE_ADDRESS, |
| 1443 | (u16) reg->reg, 2, &data, 1); |
| 1444 | reg->val = le32_to_cpu(data & 0xff); |
| 1445 | break; |
| 1446 | case 14: /* Colibri - read dword */ |
| 1447 | ret = |
| 1448 | cx231xx_read_i2c_data(dev, Colibri_DEVICE_ADDRESS, |
| 1449 | (u16) reg->reg, 2, &data, 4); |
| 1450 | reg->val = le32_to_cpu(data); |
| 1451 | break; |
| 1452 | case 2: /* Hammerhead - read byte */ |
| 1453 | ret = |
| 1454 | cx231xx_read_i2c_data(dev, HAMMERHEAD_I2C_ADDRESS, |
| 1455 | (u16) reg->reg, 2, &data, 1); |
| 1456 | reg->val = le32_to_cpu(data & 0xff); |
| 1457 | break; |
| 1458 | case 24: /* Hammerhead - read dword */ |
| 1459 | ret = |
| 1460 | cx231xx_read_i2c_data(dev, HAMMERHEAD_I2C_ADDRESS, |
| 1461 | (u16) reg->reg, 2, &data, 4); |
| 1462 | reg->val = le32_to_cpu(data); |
| 1463 | break; |
| 1464 | case 3: /* flatiron - read byte */ |
| 1465 | ret = |
| 1466 | cx231xx_read_i2c_data(dev, Flatrion_DEVICE_ADDRESS, |
| 1467 | (u16) reg->reg, 1, &data, 1); |
| 1468 | reg->val = le32_to_cpu(data & 0xff); |
| 1469 | break; |
| 1470 | case 34: /* flatiron - read dword */ |
| 1471 | ret = |
| 1472 | cx231xx_read_i2c_data(dev, Flatrion_DEVICE_ADDRESS, |
| 1473 | (u16) reg->reg, 1, &data, 4); |
| 1474 | reg->val = le32_to_cpu(data); |
| 1475 | break; |
| 1476 | } |
| 1477 | return ret < 0 ? ret : 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1478 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1479 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
| 1480 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], |
| 1481 | VIDIOC_DBG_G_REGISTER, reg); |
| 1482 | return 0; |
| 1483 | case V4L2_CHIP_MATCH_I2C_ADDR: |
| 1484 | /* Not supported yet */ |
| 1485 | return -EINVAL; |
| 1486 | default: |
| 1487 | if (!v4l2_chip_match_host(®->match)) |
| 1488 | return -EINVAL; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1489 | } |
| 1490 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1491 | mutex_lock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1492 | |
| 1493 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_DBG_G_REGISTER, reg); |
| 1494 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1495 | mutex_unlock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1496 | |
| 1497 | return ret; |
| 1498 | } |
| 1499 | |
| 1500 | static int vidioc_s_register(struct file *file, void *priv, |
| 1501 | struct v4l2_dbg_register *reg) |
| 1502 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1503 | struct cx231xx_fh *fh = priv; |
| 1504 | struct cx231xx *dev = fh->dev; |
| 1505 | int ret = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1506 | __le64 buf; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1507 | u32 value; |
| 1508 | u8 data[4] = { 0, 0, 0, 0 }; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1509 | |
| 1510 | buf = cpu_to_le64(reg->val); |
| 1511 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1512 | switch (reg->match.type) { |
| 1513 | case V4L2_CHIP_MATCH_HOST: |
| 1514 | { |
| 1515 | value = (u32) buf & 0xffffffff; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1516 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1517 | switch (reg->match.addr) { |
| 1518 | case 0: /* cx231xx internal registers */ |
| 1519 | data[0] = (u8) value; |
| 1520 | data[1] = (u8) (value >> 8); |
| 1521 | data[2] = (u8) (value >> 16); |
| 1522 | data[3] = (u8) (value >> 24); |
| 1523 | ret = |
| 1524 | cx231xx_write_ctrl_reg(dev, |
| 1525 | VRT_SET_REGISTER, |
| 1526 | (u16) reg->reg, data, |
| 1527 | 4); |
| 1528 | break; |
| 1529 | case 1: /* Colibri - read byte */ |
| 1530 | ret = |
| 1531 | cx231xx_write_i2c_data(dev, |
| 1532 | Colibri_DEVICE_ADDRESS, |
| 1533 | (u16) reg->reg, 2, |
| 1534 | value, 1); |
| 1535 | break; |
| 1536 | case 14: /* Colibri - read dword */ |
| 1537 | ret = |
| 1538 | cx231xx_write_i2c_data(dev, |
| 1539 | Colibri_DEVICE_ADDRESS, |
| 1540 | (u16) reg->reg, 2, |
| 1541 | value, 4); |
| 1542 | break; |
| 1543 | case 2: /* Hammerhead - read byte */ |
| 1544 | ret = |
| 1545 | cx231xx_write_i2c_data(dev, |
| 1546 | HAMMERHEAD_I2C_ADDRESS, |
| 1547 | (u16) reg->reg, 2, |
| 1548 | value, 1); |
| 1549 | break; |
| 1550 | case 24: /* Hammerhead - read dword */ |
| 1551 | ret = |
| 1552 | cx231xx_write_i2c_data(dev, |
| 1553 | HAMMERHEAD_I2C_ADDRESS, |
| 1554 | (u16) reg->reg, 2, |
| 1555 | value, 4); |
| 1556 | break; |
| 1557 | case 3: /* flatiron - read byte */ |
| 1558 | ret = |
| 1559 | cx231xx_write_i2c_data(dev, |
| 1560 | Flatrion_DEVICE_ADDRESS, |
| 1561 | (u16) reg->reg, 1, |
| 1562 | value, 1); |
| 1563 | break; |
| 1564 | case 34: /* flatiron - read dword */ |
| 1565 | ret = |
| 1566 | cx231xx_write_i2c_data(dev, |
| 1567 | Flatrion_DEVICE_ADDRESS, |
| 1568 | (u16) reg->reg, 1, |
| 1569 | value, 4); |
| 1570 | break; |
| 1571 | } |
| 1572 | } |
| 1573 | return ret < 0 ? ret : 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1574 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1575 | default: |
| 1576 | break; |
| 1577 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1578 | |
| 1579 | mutex_lock(&dev->lock); |
| 1580 | |
| 1581 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_DBG_S_REGISTER, reg); |
| 1582 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1583 | mutex_unlock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1584 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1585 | return ret; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1586 | } |
| 1587 | #endif |
| 1588 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1589 | static int vidioc_cropcap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1590 | struct v4l2_cropcap *cc) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1591 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1592 | struct cx231xx_fh *fh = priv; |
| 1593 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1594 | |
| 1595 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1596 | return -EINVAL; |
| 1597 | |
| 1598 | cc->bounds.left = 0; |
| 1599 | cc->bounds.top = 0; |
| 1600 | cc->bounds.width = dev->width; |
| 1601 | cc->bounds.height = dev->height; |
| 1602 | cc->defrect = cc->bounds; |
| 1603 | cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ |
| 1604 | cc->pixelaspect.denominator = 59; |
| 1605 | |
| 1606 | return 0; |
| 1607 | } |
| 1608 | |
| 1609 | static int vidioc_streamon(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1610 | enum v4l2_buf_type type) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1611 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1612 | struct cx231xx_fh *fh = priv; |
| 1613 | struct cx231xx *dev = fh->dev; |
| 1614 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1615 | |
| 1616 | rc = check_dev(dev); |
| 1617 | if (rc < 0) |
| 1618 | return rc; |
| 1619 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1620 | mutex_lock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1621 | rc = res_get(fh); |
| 1622 | |
| 1623 | if (likely(rc >= 0)) |
| 1624 | rc = videobuf_streamon(&fh->vb_vidq); |
| 1625 | |
| 1626 | mutex_unlock(&dev->lock); |
| 1627 | |
| 1628 | return rc; |
| 1629 | } |
| 1630 | |
| 1631 | static int vidioc_streamoff(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1632 | enum v4l2_buf_type type) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1633 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1634 | struct cx231xx_fh *fh = priv; |
| 1635 | struct cx231xx *dev = fh->dev; |
| 1636 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1637 | |
| 1638 | rc = check_dev(dev); |
| 1639 | if (rc < 0) |
| 1640 | return rc; |
| 1641 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1642 | if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) || |
| 1643 | (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1644 | return -EINVAL; |
| 1645 | if (type != fh->type) |
| 1646 | return -EINVAL; |
| 1647 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1648 | mutex_lock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1649 | |
| 1650 | videobuf_streamoff(&fh->vb_vidq); |
| 1651 | res_free(fh); |
| 1652 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1653 | mutex_unlock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1654 | |
| 1655 | return 0; |
| 1656 | } |
| 1657 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1658 | static int vidioc_querycap(struct file *file, void *priv, |
| 1659 | struct v4l2_capability *cap) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1660 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1661 | struct cx231xx_fh *fh = priv; |
| 1662 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1663 | |
| 1664 | strlcpy(cap->driver, "cx231xx", sizeof(cap->driver)); |
| 1665 | strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card)); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1666 | strlcpy(cap->bus_info, dev_name(&dev->udev->dev), |
| 1667 | sizeof(cap->bus_info)); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1668 | |
| 1669 | cap->version = CX231XX_VERSION_CODE; |
| 1670 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1671 | cap->capabilities = V4L2_CAP_VBI_CAPTURE | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1672 | #if 0 |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1673 | V4L2_CAP_SLICED_VBI_CAPTURE | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1674 | #endif |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1675 | V4L2_CAP_VIDEO_CAPTURE | |
| 1676 | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1677 | |
| 1678 | if (dev->tuner_type != TUNER_ABSENT) |
| 1679 | cap->capabilities |= V4L2_CAP_TUNER; |
| 1680 | |
| 1681 | return 0; |
| 1682 | } |
| 1683 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1684 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
| 1685 | struct v4l2_fmtdesc *f) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1686 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1687 | if (unlikely(f->index >= ARRAY_SIZE(format))) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1688 | return -EINVAL; |
| 1689 | |
| 1690 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); |
| 1691 | f->pixelformat = format[f->index].fourcc; |
| 1692 | |
| 1693 | return 0; |
| 1694 | } |
| 1695 | |
| 1696 | /* Sliced VBI ioctls */ |
| 1697 | static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1698 | struct v4l2_format *f) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1699 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1700 | struct cx231xx_fh *fh = priv; |
| 1701 | struct cx231xx *dev = fh->dev; |
| 1702 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1703 | |
| 1704 | rc = check_dev(dev); |
| 1705 | if (rc < 0) |
| 1706 | return rc; |
| 1707 | |
| 1708 | mutex_lock(&dev->lock); |
| 1709 | |
| 1710 | f->fmt.sliced.service_set = 0; |
| 1711 | |
| 1712 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_G_FMT, f); |
| 1713 | |
| 1714 | if (f->fmt.sliced.service_set == 0) |
| 1715 | rc = -EINVAL; |
| 1716 | |
| 1717 | mutex_unlock(&dev->lock); |
| 1718 | return rc; |
| 1719 | } |
| 1720 | |
| 1721 | static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1722 | struct v4l2_format *f) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1723 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1724 | struct cx231xx_fh *fh = priv; |
| 1725 | struct cx231xx *dev = fh->dev; |
| 1726 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1727 | |
| 1728 | rc = check_dev(dev); |
| 1729 | if (rc < 0) |
| 1730 | return rc; |
| 1731 | |
| 1732 | mutex_lock(&dev->lock); |
| 1733 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_G_FMT, f); |
| 1734 | mutex_unlock(&dev->lock); |
| 1735 | |
| 1736 | if (f->fmt.sliced.service_set == 0) |
| 1737 | return -EINVAL; |
| 1738 | |
| 1739 | return 0; |
| 1740 | } |
| 1741 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1742 | /* RAW VBI ioctls */ |
| 1743 | |
| 1744 | static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1745 | struct v4l2_format *f) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1746 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1747 | struct cx231xx_fh *fh = priv; |
| 1748 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1749 | |
| 1750 | f->fmt.vbi.sampling_rate = (dev->norm & V4L2_STD_625_50) ? |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1751 | 35468950 : 28636363; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1752 | f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; |
| 1753 | f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; |
| 1754 | f->fmt.vbi.offset = 64 * 4; |
| 1755 | f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1756 | PAL_VBI_START_LINE : NTSC_VBI_START_LINE; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1757 | f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1758 | PAL_VBI_LINES : NTSC_VBI_LINES; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1759 | f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1760 | PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1761 | f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; |
| 1762 | |
| 1763 | return 0; |
| 1764 | |
| 1765 | } |
| 1766 | |
| 1767 | static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1768 | struct v4l2_format *f) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1769 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1770 | struct cx231xx_fh *fh = priv; |
| 1771 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1772 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1773 | if (dev->vbi_stream_on && !fh->stream_on) { |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1774 | cx231xx_errdev("%s device in use by another fh\n", __func__); |
| 1775 | return -EBUSY; |
| 1776 | } |
| 1777 | |
| 1778 | f->type = V4L2_BUF_TYPE_VBI_CAPTURE; |
| 1779 | f->fmt.vbi.sampling_rate = (dev->norm & V4L2_STD_625_50) ? |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1780 | 35468950 : 28636363; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1781 | f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; |
| 1782 | f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; |
| 1783 | f->fmt.vbi.offset = 244; |
| 1784 | f->fmt.vbi.flags = 0; |
| 1785 | f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1786 | PAL_VBI_START_LINE : NTSC_VBI_START_LINE; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1787 | f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1788 | PAL_VBI_LINES : NTSC_VBI_LINES; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1789 | f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1790 | PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1791 | f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; |
| 1792 | |
| 1793 | return 0; |
| 1794 | |
| 1795 | } |
| 1796 | |
| 1797 | static int vidioc_reqbufs(struct file *file, void *priv, |
| 1798 | struct v4l2_requestbuffers *rb) |
| 1799 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1800 | struct cx231xx_fh *fh = priv; |
| 1801 | struct cx231xx *dev = fh->dev; |
| 1802 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1803 | |
| 1804 | rc = check_dev(dev); |
| 1805 | if (rc < 0) |
| 1806 | return rc; |
| 1807 | |
| 1808 | return (videobuf_reqbufs(&fh->vb_vidq, rb)); |
| 1809 | } |
| 1810 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1811 | static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1812 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1813 | struct cx231xx_fh *fh = priv; |
| 1814 | struct cx231xx *dev = fh->dev; |
| 1815 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1816 | |
| 1817 | rc = check_dev(dev); |
| 1818 | if (rc < 0) |
| 1819 | return rc; |
| 1820 | |
| 1821 | return (videobuf_querybuf(&fh->vb_vidq, b)); |
| 1822 | } |
| 1823 | |
| 1824 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) |
| 1825 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1826 | struct cx231xx_fh *fh = priv; |
| 1827 | struct cx231xx *dev = fh->dev; |
| 1828 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1829 | |
| 1830 | rc = check_dev(dev); |
| 1831 | if (rc < 0) |
| 1832 | return rc; |
| 1833 | |
| 1834 | return (videobuf_qbuf(&fh->vb_vidq, b)); |
| 1835 | } |
| 1836 | |
| 1837 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) |
| 1838 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1839 | struct cx231xx_fh *fh = priv; |
| 1840 | struct cx231xx *dev = fh->dev; |
| 1841 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1842 | |
| 1843 | rc = check_dev(dev); |
| 1844 | if (rc < 0) |
| 1845 | return rc; |
| 1846 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1847 | return (videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK)); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1848 | } |
| 1849 | |
| 1850 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 1851 | static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) |
| 1852 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1853 | struct cx231xx_fh *fh = priv; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1854 | |
| 1855 | return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); |
| 1856 | } |
| 1857 | #endif |
| 1858 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1859 | /* ----------------------------------------------------------- */ |
| 1860 | /* RADIO ESPECIFIC IOCTLS */ |
| 1861 | /* ----------------------------------------------------------- */ |
| 1862 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1863 | static int radio_querycap(struct file *file, void *priv, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1864 | struct v4l2_capability *cap) |
| 1865 | { |
| 1866 | struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; |
| 1867 | |
| 1868 | strlcpy(cap->driver, "cx231xx", sizeof(cap->driver)); |
| 1869 | strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card)); |
| 1870 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
| 1871 | |
| 1872 | cap->version = CX231XX_VERSION_CODE; |
| 1873 | cap->capabilities = V4L2_CAP_TUNER; |
| 1874 | return 0; |
| 1875 | } |
| 1876 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1877 | static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1878 | { |
| 1879 | struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; |
| 1880 | |
| 1881 | if (unlikely(t->index > 0)) |
| 1882 | return -EINVAL; |
| 1883 | |
| 1884 | strcpy(t->name, "Radio"); |
| 1885 | t->type = V4L2_TUNER_RADIO; |
| 1886 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1887 | mutex_lock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1888 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], VIDIOC_G_TUNER, t); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1889 | mutex_unlock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1890 | |
| 1891 | return 0; |
| 1892 | } |
| 1893 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1894 | static int radio_enum_input(struct file *file, void *priv, struct v4l2_input *i) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1895 | { |
| 1896 | if (i->index != 0) |
| 1897 | return -EINVAL; |
| 1898 | strcpy(i->name, "Radio"); |
| 1899 | i->type = V4L2_INPUT_TYPE_TUNER; |
| 1900 | |
| 1901 | return 0; |
| 1902 | } |
| 1903 | |
| 1904 | static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a) |
| 1905 | { |
| 1906 | if (unlikely(a->index)) |
| 1907 | return -EINVAL; |
| 1908 | |
| 1909 | strcpy(a->name, "Radio"); |
| 1910 | return 0; |
| 1911 | } |
| 1912 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1913 | static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1914 | { |
| 1915 | struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; |
| 1916 | |
| 1917 | if (0 != t->index) |
| 1918 | return -EINVAL; |
| 1919 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1920 | mutex_lock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1921 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], VIDIOC_S_TUNER, t); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1922 | mutex_unlock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1923 | |
| 1924 | return 0; |
| 1925 | } |
| 1926 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1927 | static int radio_s_audio(struct file *file, void *fh, struct v4l2_audio *a) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1928 | { |
| 1929 | return 0; |
| 1930 | } |
| 1931 | |
| 1932 | static int radio_s_input(struct file *file, void *fh, unsigned int i) |
| 1933 | { |
| 1934 | return 0; |
| 1935 | } |
| 1936 | |
| 1937 | static int radio_queryctrl(struct file *file, void *priv, |
| 1938 | struct v4l2_queryctrl *c) |
| 1939 | { |
| 1940 | int i; |
| 1941 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1942 | if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1943 | return -EINVAL; |
| 1944 | if (c->id == V4L2_CID_AUDIO_MUTE) { |
| 1945 | for (i = 0; i < CX231XX_CTLS; i++) |
| 1946 | if (cx231xx_ctls[i].v.id == c->id) |
| 1947 | break; |
| 1948 | *c = cx231xx_ctls[i].v; |
| 1949 | } else |
| 1950 | *c = no_ctl; |
| 1951 | return 0; |
| 1952 | } |
| 1953 | |
| 1954 | /* |
| 1955 | * cx231xx_v4l2_open() |
| 1956 | * inits the device and starts isoc transfer |
| 1957 | */ |
| 1958 | static int cx231xx_v4l2_open(struct file *filp) |
| 1959 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1960 | int minor = video_devdata(filp)->minor; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1961 | int errCode = 0, radio = 0; |
| 1962 | struct cx231xx *dev = NULL; |
| 1963 | struct cx231xx_fh *fh; |
| 1964 | enum v4l2_buf_type fh_type = 0; |
| 1965 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1966 | dev = cx231xx_get_device(minor, &fh_type, &radio); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1967 | if (NULL == dev) |
| 1968 | return -ENODEV; |
| 1969 | |
| 1970 | mutex_lock(&dev->lock); |
| 1971 | |
| 1972 | cx231xx_videodbg("open minor=%d type=%s users=%d\n", |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1973 | minor, v4l2_type_names[fh_type], dev->users); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1974 | |
| 1975 | #if 0 |
| 1976 | errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); |
| 1977 | if (errCode < 0) { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 1978 | cx231xx_errdev |
| 1979 | ("Device locked on digital mode. Can't open analog\n"); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1980 | mutex_unlock(&dev->lock); |
| 1981 | return -EBUSY; |
| 1982 | } |
| 1983 | #endif |
| 1984 | |
| 1985 | fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL); |
| 1986 | if (!fh) { |
| 1987 | cx231xx_errdev("cx231xx-video.c: Out of memory?!\n"); |
| 1988 | mutex_unlock(&dev->lock); |
| 1989 | return -ENOMEM; |
| 1990 | } |
| 1991 | fh->dev = dev; |
| 1992 | fh->radio = radio; |
| 1993 | fh->type = fh_type; |
| 1994 | filp->private_data = fh; |
| 1995 | |
| 1996 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { |
| 1997 | dev->width = norm_maxw(dev); |
| 1998 | dev->height = norm_maxh(dev); |
| 1999 | dev->hscale = 0; |
| 2000 | dev->vscale = 0; |
| 2001 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2002 | /* Power up in Analog TV mode */ |
| 2003 | cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2004 | |
| 2005 | #if 0 |
| 2006 | cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); |
| 2007 | #endif |
| 2008 | cx231xx_resolution_set(dev); |
| 2009 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2010 | /* set video alternate setting */ |
| 2011 | cx231xx_set_video_alternate(dev); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2012 | |
| 2013 | /* Needed, since GPIO might have disabled power of |
| 2014 | some i2c device */ |
| 2015 | cx231xx_config_i2c(dev); |
| 2016 | |
| 2017 | /* device needs to be initialized before isoc transfer */ |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2018 | dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; |
| 2019 | video_mux(dev, dev->video_input); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2020 | |
| 2021 | } |
| 2022 | if (fh->radio) { |
| 2023 | cx231xx_videodbg("video_open: setting radio device\n"); |
| 2024 | |
| 2025 | /* cx231xx_start_radio(dev); */ |
| 2026 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2027 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], AUDC_SET_RADIO, |
| 2028 | NULL); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2029 | } |
| 2030 | |
| 2031 | dev->users++; |
| 2032 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2033 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
| 2034 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops, NULL, &dev->video_mode.slock, fh->type, V4L2_FIELD_INTERLACED, /* V4L2_FIELD_SEQ_TB, */ |
| 2035 | sizeof(struct cx231xx_buffer), fh); |
| 2036 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2037 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2038 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2039 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2040 | /* Set the required alternate setting VBI interface works in Bulk mode only */ |
| 2041 | cx231xx_set_alt_setting(dev, INDEX_VANC, 0); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2042 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2043 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops, NULL, &dev->vbi_mode.slock, fh->type, V4L2_FIELD_SEQ_TB, /* V4L2_FIELD_INTERLACED, */ |
| 2044 | sizeof(struct cx231xx_buffer), fh); |
| 2045 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2046 | |
| 2047 | mutex_unlock(&dev->lock); |
| 2048 | |
| 2049 | return errCode; |
| 2050 | } |
| 2051 | |
| 2052 | /* |
| 2053 | * cx231xx_realease_resources() |
| 2054 | * unregisters the v4l2,i2c and usb devices |
| 2055 | * called when the device gets disconected or at module unload |
| 2056 | */ |
| 2057 | void cx231xx_release_analog_resources(struct cx231xx *dev) |
| 2058 | { |
| 2059 | |
| 2060 | /*FIXME: I2C IR should be disconnected */ |
| 2061 | |
| 2062 | if (dev->radio_dev) { |
| 2063 | if (-1 != dev->radio_dev->minor) |
| 2064 | video_unregister_device(dev->radio_dev); |
| 2065 | else |
| 2066 | video_device_release(dev->radio_dev); |
| 2067 | dev->radio_dev = NULL; |
| 2068 | } |
| 2069 | if (dev->vbi_dev) { |
| 2070 | cx231xx_info("V4L2 device /dev/vbi%d deregistered\n", |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2071 | dev->vbi_dev->num); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2072 | if (-1 != dev->vbi_dev->minor) |
| 2073 | video_unregister_device(dev->vbi_dev); |
| 2074 | else |
| 2075 | video_device_release(dev->vbi_dev); |
| 2076 | dev->vbi_dev = NULL; |
| 2077 | } |
| 2078 | if (dev->vdev) { |
| 2079 | cx231xx_info("V4L2 device /dev/video%d deregistered\n", |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2080 | dev->vdev->num); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2081 | if (-1 != dev->vdev->minor) |
| 2082 | video_unregister_device(dev->vdev); |
| 2083 | else |
| 2084 | video_device_release(dev->vdev); |
| 2085 | dev->vdev = NULL; |
| 2086 | } |
| 2087 | } |
| 2088 | |
| 2089 | /* |
| 2090 | * cx231xx_v4l2_close() |
| 2091 | * stops streaming and deallocates all resources allocated by the v4l2 |
| 2092 | * calls and ioctls |
| 2093 | */ |
| 2094 | static int cx231xx_v4l2_close(struct file *filp) |
| 2095 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2096 | struct cx231xx_fh *fh = filp->private_data; |
| 2097 | struct cx231xx *dev = fh->dev; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2098 | |
| 2099 | cx231xx_videodbg("users=%d\n", dev->users); |
| 2100 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2101 | mutex_lock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2102 | |
| 2103 | if (res_check(fh)) |
| 2104 | res_free(fh); |
| 2105 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2106 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
| 2107 | videobuf_stop(&fh->vb_vidq); |
| 2108 | videobuf_mmap_free(&fh->vb_vidq); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2109 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2110 | /* the device is already disconnect, |
| 2111 | free the remaining resources */ |
| 2112 | if (dev->state & DEV_DISCONNECTED) { |
| 2113 | cx231xx_release_resources(dev); |
| 2114 | mutex_unlock(&dev->lock); |
| 2115 | kfree(dev); |
| 2116 | return 0; |
| 2117 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2118 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2119 | /* do this before setting alternate! */ |
| 2120 | cx231xx_uninit_vbi_isoc(dev); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2121 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2122 | /* set alternate 0 */ |
| 2123 | if (!dev->vbi_or_sliced_cc_mode) { |
| 2124 | cx231xx_set_alt_setting(dev, INDEX_VANC, 0); |
| 2125 | } else { |
| 2126 | cx231xx_set_alt_setting(dev, INDEX_HANC, 0); |
| 2127 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2128 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2129 | kfree(fh); |
| 2130 | dev->users--; |
| 2131 | wake_up_interruptible_nr(&dev->open, 1); |
| 2132 | mutex_unlock(&dev->lock); |
| 2133 | return 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2134 | } |
| 2135 | |
| 2136 | if (dev->users == 1) { |
| 2137 | videobuf_stop(&fh->vb_vidq); |
| 2138 | videobuf_mmap_free(&fh->vb_vidq); |
| 2139 | |
| 2140 | /* the device is already disconnect, |
| 2141 | free the remaining resources */ |
| 2142 | if (dev->state & DEV_DISCONNECTED) { |
| 2143 | cx231xx_release_resources(dev); |
| 2144 | mutex_unlock(&dev->lock); |
| 2145 | kfree(dev); |
| 2146 | return 0; |
| 2147 | } |
| 2148 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2149 | /* Save some power by putting tuner to sleep */ |
| 2150 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], TUNER_SET_STANDBY, |
| 2151 | NULL); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2152 | |
| 2153 | /* do this before setting alternate! */ |
| 2154 | cx231xx_uninit_isoc(dev); |
| 2155 | cx231xx_set_mode(dev, CX231XX_SUSPEND); |
| 2156 | |
| 2157 | /* set alternate 0 */ |
| 2158 | cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); |
| 2159 | } |
| 2160 | kfree(fh); |
| 2161 | dev->users--; |
| 2162 | wake_up_interruptible_nr(&dev->open, 1); |
| 2163 | mutex_unlock(&dev->lock); |
| 2164 | return 0; |
| 2165 | } |
| 2166 | |
| 2167 | /* |
| 2168 | * cx231xx_v4l2_read() |
| 2169 | * will allocate buffers when called for the first time |
| 2170 | */ |
| 2171 | static ssize_t |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2172 | cx231xx_v4l2_read(struct file *filp, char __user * buf, size_t count, |
| 2173 | loff_t * pos) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2174 | { |
| 2175 | struct cx231xx_fh *fh = filp->private_data; |
| 2176 | struct cx231xx *dev = fh->dev; |
| 2177 | int rc; |
| 2178 | |
| 2179 | rc = check_dev(dev); |
| 2180 | if (rc < 0) |
| 2181 | return rc; |
| 2182 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2183 | if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) || |
| 2184 | (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) { |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2185 | mutex_lock(&dev->lock); |
| 2186 | rc = res_get(fh); |
| 2187 | mutex_unlock(&dev->lock); |
| 2188 | |
| 2189 | if (unlikely(rc < 0)) |
| 2190 | return rc; |
| 2191 | |
| 2192 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2193 | filp->f_flags & O_NONBLOCK); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2194 | } |
| 2195 | return 0; |
| 2196 | } |
| 2197 | |
| 2198 | /* |
| 2199 | * cx231xx_v4l2_poll() |
| 2200 | * will allocate buffers when called for the first time |
| 2201 | */ |
| 2202 | static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table * wait) |
| 2203 | { |
| 2204 | struct cx231xx_fh *fh = filp->private_data; |
| 2205 | struct cx231xx *dev = fh->dev; |
| 2206 | int rc; |
| 2207 | |
| 2208 | rc = check_dev(dev); |
| 2209 | if (rc < 0) |
| 2210 | return rc; |
| 2211 | |
| 2212 | mutex_lock(&dev->lock); |
| 2213 | rc = res_get(fh); |
| 2214 | mutex_unlock(&dev->lock); |
| 2215 | |
| 2216 | if (unlikely(rc < 0)) |
| 2217 | return POLLERR; |
| 2218 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2219 | if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) || |
| 2220 | (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)) |
| 2221 | return videobuf_poll_stream(filp, &fh->vb_vidq, wait); |
| 2222 | else |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2223 | return POLLERR; |
| 2224 | } |
| 2225 | |
| 2226 | /* |
| 2227 | * cx231xx_v4l2_mmap() |
| 2228 | */ |
| 2229 | static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) |
| 2230 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2231 | struct cx231xx_fh *fh = filp->private_data; |
| 2232 | struct cx231xx *dev = fh->dev; |
| 2233 | int rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2234 | |
| 2235 | rc = check_dev(dev); |
| 2236 | if (rc < 0) |
| 2237 | return rc; |
| 2238 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2239 | mutex_lock(&dev->lock); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2240 | rc = res_get(fh); |
| 2241 | mutex_unlock(&dev->lock); |
| 2242 | |
| 2243 | if (unlikely(rc < 0)) |
| 2244 | return rc; |
| 2245 | |
| 2246 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); |
| 2247 | |
| 2248 | cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2249 | (unsigned long)vma->vm_start, |
| 2250 | (unsigned long)vma->vm_end - |
| 2251 | (unsigned long)vma->vm_start, rc); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2252 | |
| 2253 | return rc; |
| 2254 | } |
| 2255 | |
| 2256 | static const struct v4l2_file_operations cx231xx_v4l_fops = { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2257 | .owner = THIS_MODULE, |
| 2258 | .open = cx231xx_v4l2_open, |
| 2259 | .release = cx231xx_v4l2_close, |
| 2260 | .read = cx231xx_v4l2_read, |
| 2261 | .poll = cx231xx_v4l2_poll, |
| 2262 | .mmap = cx231xx_v4l2_mmap, |
| 2263 | .ioctl = video_ioctl2, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2264 | }; |
| 2265 | |
| 2266 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2267 | .vidioc_querycap = vidioc_querycap, |
| 2268 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
| 2269 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, |
| 2270 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, |
| 2271 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, |
| 2272 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
| 2273 | .vidioc_try_fmt_vbi_cap = vidioc_try_fmt_vbi_cap, |
| 2274 | .vidioc_s_fmt_vbi_cap = vidioc_try_fmt_vbi_cap, |
| 2275 | .vidioc_g_audio = vidioc_g_audio, |
| 2276 | .vidioc_s_audio = vidioc_s_audio, |
| 2277 | .vidioc_cropcap = vidioc_cropcap, |
| 2278 | .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2279 | .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2280 | .vidioc_reqbufs = vidioc_reqbufs, |
| 2281 | .vidioc_querybuf = vidioc_querybuf, |
| 2282 | .vidioc_qbuf = vidioc_qbuf, |
| 2283 | .vidioc_dqbuf = vidioc_dqbuf, |
| 2284 | .vidioc_s_std = vidioc_s_std, |
| 2285 | .vidioc_g_std = vidioc_g_std, |
| 2286 | .vidioc_enum_input = vidioc_enum_input, |
| 2287 | .vidioc_g_input = vidioc_g_input, |
| 2288 | .vidioc_s_input = vidioc_s_input, |
| 2289 | .vidioc_queryctrl = vidioc_queryctrl, |
| 2290 | .vidioc_g_ctrl = vidioc_g_ctrl, |
| 2291 | .vidioc_s_ctrl = vidioc_s_ctrl, |
| 2292 | .vidioc_streamon = vidioc_streamon, |
| 2293 | .vidioc_streamoff = vidioc_streamoff, |
| 2294 | .vidioc_g_tuner = vidioc_g_tuner, |
| 2295 | .vidioc_s_tuner = vidioc_s_tuner, |
| 2296 | .vidioc_g_frequency = vidioc_g_frequency, |
| 2297 | .vidioc_s_frequency = vidioc_s_frequency, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2298 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2299 | .vidioc_g_register = vidioc_g_register, |
| 2300 | .vidioc_s_register = vidioc_s_register, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2301 | #endif |
| 2302 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2303 | .vidiocgmbuf = vidiocgmbuf, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2304 | #endif |
| 2305 | }; |
| 2306 | |
| 2307 | static struct video_device cx231xx_vbi_template; |
| 2308 | |
| 2309 | static const struct video_device cx231xx_video_template = { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2310 | .fops = &cx231xx_v4l_fops, |
| 2311 | .release = video_device_release, |
| 2312 | .ioctl_ops = &video_ioctl_ops, |
| 2313 | .minor = -1, |
| 2314 | .tvnorms = V4L2_STD_ALL, |
| 2315 | .current_norm = V4L2_STD_PAL, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2316 | }; |
| 2317 | |
| 2318 | static const struct v4l2_file_operations radio_fops = { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2319 | .owner = THIS_MODULE, |
| 2320 | .open = cx231xx_v4l2_open, |
| 2321 | .release = cx231xx_v4l2_close, |
| 2322 | .ioctl = video_ioctl2, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2323 | }; |
| 2324 | |
| 2325 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2326 | .vidioc_querycap = radio_querycap, |
| 2327 | .vidioc_g_tuner = radio_g_tuner, |
| 2328 | .vidioc_enum_input = radio_enum_input, |
| 2329 | .vidioc_g_audio = radio_g_audio, |
| 2330 | .vidioc_s_tuner = radio_s_tuner, |
| 2331 | .vidioc_s_audio = radio_s_audio, |
| 2332 | .vidioc_s_input = radio_s_input, |
| 2333 | .vidioc_queryctrl = radio_queryctrl, |
| 2334 | .vidioc_g_ctrl = vidioc_g_ctrl, |
| 2335 | .vidioc_s_ctrl = vidioc_s_ctrl, |
| 2336 | .vidioc_g_frequency = vidioc_g_frequency, |
| 2337 | .vidioc_s_frequency = vidioc_s_frequency, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2338 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2339 | .vidioc_g_register = vidioc_g_register, |
| 2340 | .vidioc_s_register = vidioc_s_register, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2341 | #endif |
| 2342 | }; |
| 2343 | |
| 2344 | static struct video_device cx231xx_radio_template = { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2345 | .name = "cx231xx-radio", |
| 2346 | .fops = &radio_fops, |
| 2347 | .ioctl_ops = &radio_ioctl_ops, |
| 2348 | .minor = -1, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2349 | }; |
| 2350 | |
| 2351 | /******************************** usb interface ******************************/ |
| 2352 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2353 | static struct video_device *cx231xx_vdev_init(struct cx231xx *dev, const struct video_device |
| 2354 | *template, const char *type_name) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2355 | { |
| 2356 | struct video_device *vfd; |
| 2357 | |
| 2358 | vfd = video_device_alloc(); |
| 2359 | if (NULL == vfd) |
| 2360 | return NULL; |
| 2361 | *vfd = *template; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2362 | vfd->minor = -1; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2363 | vfd->parent = &dev->udev->dev; |
| 2364 | vfd->release = video_device_release; |
| 2365 | vfd->debug = video_debug; |
| 2366 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2367 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2368 | |
| 2369 | return vfd; |
| 2370 | } |
| 2371 | |
| 2372 | int cx231xx_register_analog_devices(struct cx231xx *dev) |
| 2373 | { |
| 2374 | int ret; |
| 2375 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2376 | cx231xx_info("%s()\n", __func__); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2377 | |
| 2378 | cx231xx_info("%s: v4l2 driver version %d.%d.%d\n", |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2379 | dev->name, |
| 2380 | (CX231XX_VERSION_CODE >> 16) & 0xff, |
| 2381 | (CX231XX_VERSION_CODE >> 8) & 0xff, |
| 2382 | CX231XX_VERSION_CODE & 0xff); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2383 | |
| 2384 | /* set default norm */ |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2385 | /*dev->norm = cx231xx_video_template.current_norm; */ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2386 | dev->width = norm_maxw(dev); |
| 2387 | dev->height = norm_maxh(dev); |
| 2388 | dev->interlaced = 0; |
| 2389 | dev->hscale = 0; |
| 2390 | dev->vscale = 0; |
| 2391 | |
| 2392 | /* Analog specific initialization */ |
| 2393 | dev->format = &format[0]; |
| 2394 | /* video_mux(dev, dev->video_input); */ |
| 2395 | |
| 2396 | /* Audio defaults */ |
| 2397 | dev->mute = 1; |
| 2398 | dev->volume = 0x1f; |
| 2399 | |
| 2400 | /* enable vbi capturing */ |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2401 | /* write code here... */ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2402 | |
| 2403 | /* allocate and fill video video_device struct */ |
| 2404 | dev->vdev = cx231xx_vdev_init(dev, &cx231xx_video_template, "video"); |
| 2405 | if (!dev->vdev) { |
| 2406 | cx231xx_errdev("cannot allocate video_device.\n"); |
| 2407 | return -ENODEV; |
| 2408 | } |
| 2409 | |
| 2410 | /* register v4l2 video video_device */ |
| 2411 | ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2412 | video_nr[dev->devno]); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2413 | if (ret) { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2414 | cx231xx_errdev("unable to register video device (error=%i).\n", |
| 2415 | ret); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2416 | return ret; |
| 2417 | } |
| 2418 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2419 | cx231xx_info("%s/0: registered device video%d [v4l2]\n", |
| 2420 | dev->name, dev->vdev->num); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2421 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2422 | /* Initialize VBI template */ |
| 2423 | memcpy(&cx231xx_vbi_template, &cx231xx_video_template, |
| 2424 | sizeof(cx231xx_vbi_template)); |
| 2425 | strcpy(cx231xx_vbi_template.name, "cx231xx-vbi"); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2426 | |
| 2427 | /* Allocate and fill vbi video_device struct */ |
| 2428 | dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi"); |
| 2429 | |
| 2430 | /* register v4l2 vbi video_device */ |
| 2431 | ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2432 | vbi_nr[dev->devno]); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2433 | if (ret < 0) { |
| 2434 | cx231xx_errdev("unable to register vbi device\n"); |
| 2435 | return ret; |
| 2436 | } |
| 2437 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2438 | cx231xx_info("%s/0: registered device vbi%d\n", |
| 2439 | dev->name, dev->vbi_dev->num); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2440 | |
| 2441 | if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2442 | dev->radio_dev = |
| 2443 | cx231xx_vdev_init(dev, &cx231xx_radio_template, "radio"); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2444 | if (!dev->radio_dev) { |
| 2445 | cx231xx_errdev("cannot allocate video_device.\n"); |
| 2446 | return -ENODEV; |
| 2447 | } |
| 2448 | ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, |
| 2449 | radio_nr[dev->devno]); |
| 2450 | if (ret < 0) { |
| 2451 | cx231xx_errdev("can't register radio device\n"); |
| 2452 | return ret; |
| 2453 | } |
| 2454 | cx231xx_info("Registered radio device as /dev/radio%d\n", |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2455 | dev->radio_dev->num); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2456 | } |
| 2457 | |
| 2458 | cx231xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n", |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame^] | 2459 | dev->vdev->num, dev->vbi_dev->num); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 2460 | |
| 2461 | return 0; |
| 2462 | } |