Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 1 | /* |
| 2 | * cx18 ioctl system call |
| 3 | * |
| 4 | * Derived from ivtv-ioctl.c |
| 5 | * |
| 6 | * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 21 | * 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #include "cx18-driver.h" |
| 25 | #include "cx18-version.h" |
| 26 | #include "cx18-mailbox.h" |
| 27 | #include "cx18-i2c.h" |
| 28 | #include "cx18-queue.h" |
| 29 | #include "cx18-fileops.h" |
| 30 | #include "cx18-vbi.h" |
| 31 | #include "cx18-audio.h" |
| 32 | #include "cx18-video.h" |
| 33 | #include "cx18-streams.h" |
| 34 | #include "cx18-ioctl.h" |
| 35 | #include "cx18-gpio.h" |
| 36 | #include "cx18-controls.h" |
| 37 | #include "cx18-cards.h" |
| 38 | #include "cx18-av-core.h" |
| 39 | #include <media/tveeprom.h> |
| 40 | #include <media/v4l2-chip-ident.h> |
| 41 | #include <linux/i2c-id.h> |
| 42 | |
Mauro Carvalho Chehab | aed6abd | 2008-04-29 21:38:51 -0300 | [diff] [blame^] | 43 | u16 cx18_service2vbi(int type) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 44 | { |
| 45 | switch (type) { |
| 46 | case V4L2_SLICED_TELETEXT_B: |
| 47 | return CX18_SLICED_TYPE_TELETEXT_B; |
| 48 | case V4L2_SLICED_CAPTION_525: |
| 49 | return CX18_SLICED_TYPE_CAPTION_525; |
| 50 | case V4L2_SLICED_WSS_625: |
| 51 | return CX18_SLICED_TYPE_WSS_625; |
| 52 | case V4L2_SLICED_VPS: |
| 53 | return CX18_SLICED_TYPE_VPS; |
| 54 | default: |
| 55 | return 0; |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | static int valid_service_line(int field, int line, int is_pal) |
| 60 | { |
| 61 | return (is_pal && line >= 6 && (line != 23 || field == 0)) || |
| 62 | (!is_pal && line >= 10 && line < 22); |
| 63 | } |
| 64 | |
| 65 | static u16 select_service_from_set(int field, int line, u16 set, int is_pal) |
| 66 | { |
| 67 | u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525); |
| 68 | int i; |
| 69 | |
| 70 | set = set & valid_set; |
| 71 | if (set == 0 || !valid_service_line(field, line, is_pal)) |
| 72 | return 0; |
| 73 | if (!is_pal) { |
| 74 | if (line == 21 && (set & V4L2_SLICED_CAPTION_525)) |
| 75 | return V4L2_SLICED_CAPTION_525; |
| 76 | } else { |
| 77 | if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS)) |
| 78 | return V4L2_SLICED_VPS; |
| 79 | if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625)) |
| 80 | return V4L2_SLICED_WSS_625; |
| 81 | if (line == 23) |
| 82 | return 0; |
| 83 | } |
| 84 | for (i = 0; i < 32; i++) { |
| 85 | if ((1 << i) & set) |
| 86 | return 1 << i; |
| 87 | } |
| 88 | return 0; |
| 89 | } |
| 90 | |
Mauro Carvalho Chehab | aed6abd | 2008-04-29 21:38:51 -0300 | [diff] [blame^] | 91 | void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 92 | { |
| 93 | u16 set = fmt->service_set; |
| 94 | int f, l; |
| 95 | |
| 96 | fmt->service_set = 0; |
| 97 | for (f = 0; f < 2; f++) { |
| 98 | for (l = 0; l < 24; l++) |
| 99 | fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) |
| 104 | { |
| 105 | int f, l; |
| 106 | u16 set = 0; |
| 107 | |
| 108 | for (f = 0; f < 2; f++) { |
| 109 | for (l = 0; l < 24; l++) { |
| 110 | fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal); |
| 111 | set |= fmt->service_lines[f][l]; |
| 112 | } |
| 113 | } |
| 114 | return set != 0; |
| 115 | } |
| 116 | |
Mauro Carvalho Chehab | aed6abd | 2008-04-29 21:38:51 -0300 | [diff] [blame^] | 117 | u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 118 | { |
| 119 | int f, l; |
| 120 | u16 set = 0; |
| 121 | |
| 122 | for (f = 0; f < 2; f++) { |
| 123 | for (l = 0; l < 24; l++) |
| 124 | set |= fmt->service_lines[f][l]; |
| 125 | } |
| 126 | return set; |
| 127 | } |
| 128 | |
| 129 | static const struct { |
| 130 | v4l2_std_id std; |
| 131 | char *name; |
| 132 | } enum_stds[] = { |
| 133 | { V4L2_STD_PAL_BG | V4L2_STD_PAL_H, "PAL-BGH" }, |
| 134 | { V4L2_STD_PAL_DK, "PAL-DK" }, |
| 135 | { V4L2_STD_PAL_I, "PAL-I" }, |
| 136 | { V4L2_STD_PAL_M, "PAL-M" }, |
| 137 | { V4L2_STD_PAL_N, "PAL-N" }, |
| 138 | { V4L2_STD_PAL_Nc, "PAL-Nc" }, |
| 139 | { V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H, "SECAM-BGH" }, |
| 140 | { V4L2_STD_SECAM_DK, "SECAM-DK" }, |
| 141 | { V4L2_STD_SECAM_L, "SECAM-L" }, |
| 142 | { V4L2_STD_SECAM_LC, "SECAM-L'" }, |
| 143 | { V4L2_STD_NTSC_M, "NTSC-M" }, |
| 144 | { V4L2_STD_NTSC_M_JP, "NTSC-J" }, |
| 145 | { V4L2_STD_NTSC_M_KR, "NTSC-K" }, |
| 146 | }; |
| 147 | |
| 148 | static const struct v4l2_standard cx18_std_60hz = { |
| 149 | .frameperiod = {.numerator = 1001, .denominator = 30000}, |
| 150 | .framelines = 525, |
| 151 | }; |
| 152 | |
| 153 | static const struct v4l2_standard cx18_std_50hz = { |
| 154 | .frameperiod = { .numerator = 1, .denominator = 25 }, |
| 155 | .framelines = 625, |
| 156 | }; |
| 157 | |
| 158 | static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg) |
| 159 | { |
| 160 | struct v4l2_register *regs = arg; |
| 161 | unsigned long flags; |
| 162 | |
| 163 | if (!capable(CAP_SYS_ADMIN)) |
| 164 | return -EPERM; |
| 165 | if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE) |
| 166 | return -EINVAL; |
| 167 | |
| 168 | spin_lock_irqsave(&cx18_cards_lock, flags); |
| 169 | if (cmd == VIDIOC_DBG_G_REGISTER) |
| 170 | regs->val = read_enc(regs->reg); |
| 171 | else |
| 172 | write_enc(regs->val, regs->reg); |
| 173 | spin_unlock_irqrestore(&cx18_cards_lock, flags); |
| 174 | return 0; |
| 175 | } |
| 176 | |
| 177 | static int cx18_get_fmt(struct cx18 *cx, int streamtype, struct v4l2_format *fmt) |
| 178 | { |
| 179 | switch (fmt->type) { |
| 180 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| 181 | fmt->fmt.pix.width = cx->params.width; |
| 182 | fmt->fmt.pix.height = cx->params.height; |
| 183 | fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
| 184 | fmt->fmt.pix.field = V4L2_FIELD_INTERLACED; |
| 185 | if (streamtype == CX18_ENC_STREAM_TYPE_YUV) { |
| 186 | fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12; |
| 187 | /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */ |
| 188 | fmt->fmt.pix.sizeimage = |
| 189 | fmt->fmt.pix.height * fmt->fmt.pix.width + |
| 190 | fmt->fmt.pix.height * (fmt->fmt.pix.width / 2); |
| 191 | } else { |
| 192 | fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
| 193 | fmt->fmt.pix.sizeimage = 128 * 1024; |
| 194 | } |
| 195 | break; |
| 196 | |
| 197 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 198 | fmt->fmt.vbi.sampling_rate = 27000000; |
| 199 | fmt->fmt.vbi.offset = 248; |
| 200 | fmt->fmt.vbi.samples_per_line = cx->vbi.raw_decoder_line_size - 4; |
| 201 | fmt->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; |
| 202 | fmt->fmt.vbi.start[0] = cx->vbi.start[0]; |
| 203 | fmt->fmt.vbi.start[1] = cx->vbi.start[1]; |
| 204 | fmt->fmt.vbi.count[0] = fmt->fmt.vbi.count[1] = cx->vbi.count; |
| 205 | break; |
| 206 | |
| 207 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
| 208 | { |
| 209 | struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; |
| 210 | |
| 211 | vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; |
| 212 | memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved)); |
| 213 | memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines)); |
| 214 | |
| 215 | cx18_av_cmd(cx, VIDIOC_G_FMT, fmt); |
Mauro Carvalho Chehab | aed6abd | 2008-04-29 21:38:51 -0300 | [diff] [blame^] | 216 | vbifmt->service_set = cx18_get_service_set(vbifmt); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 217 | break; |
| 218 | } |
| 219 | default: |
| 220 | return -EINVAL; |
| 221 | } |
| 222 | return 0; |
| 223 | } |
| 224 | |
| 225 | static int cx18_try_or_set_fmt(struct cx18 *cx, int streamtype, |
| 226 | struct v4l2_format *fmt, int set_fmt) |
| 227 | { |
| 228 | struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; |
| 229 | u16 set; |
| 230 | |
| 231 | /* set window size */ |
| 232 | if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
| 233 | int w = fmt->fmt.pix.width; |
| 234 | int h = fmt->fmt.pix.height; |
| 235 | |
| 236 | if (w > 720) |
| 237 | w = 720; |
| 238 | else if (w < 1) |
| 239 | w = 1; |
| 240 | if (h > (cx->is_50hz ? 576 : 480)) |
| 241 | h = (cx->is_50hz ? 576 : 480); |
| 242 | else if (h < 2) |
| 243 | h = 2; |
| 244 | cx18_get_fmt(cx, streamtype, fmt); |
| 245 | fmt->fmt.pix.width = w; |
| 246 | fmt->fmt.pix.height = h; |
| 247 | |
| 248 | if (!set_fmt || (cx->params.width == w && cx->params.height == h)) |
| 249 | return 0; |
| 250 | if (atomic_read(&cx->capturing) > 0) |
| 251 | return -EBUSY; |
| 252 | |
| 253 | cx->params.width = w; |
| 254 | cx->params.height = h; |
| 255 | if (w != 720 || h != (cx->is_50hz ? 576 : 480)) |
| 256 | cx->params.video_temporal_filter = 0; |
| 257 | else |
| 258 | cx->params.video_temporal_filter = 8; |
| 259 | cx18_av_cmd(cx, VIDIOC_S_FMT, fmt); |
| 260 | return cx18_get_fmt(cx, streamtype, fmt); |
| 261 | } |
| 262 | |
| 263 | /* set raw VBI format */ |
| 264 | if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
| 265 | if (set_fmt && streamtype == CX18_ENC_STREAM_TYPE_VBI && |
| 266 | cx->vbi.sliced_in->service_set && |
| 267 | atomic_read(&cx->capturing) > 0) |
| 268 | return -EBUSY; |
| 269 | if (set_fmt) { |
| 270 | cx->vbi.sliced_in->service_set = 0; |
| 271 | cx18_av_cmd(cx, VIDIOC_S_FMT, &cx->vbi.in); |
| 272 | } |
| 273 | return cx18_get_fmt(cx, streamtype, fmt); |
| 274 | } |
| 275 | |
| 276 | /* any else but sliced VBI capture is an error */ |
| 277 | if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) |
| 278 | return -EINVAL; |
| 279 | |
| 280 | /* TODO: implement sliced VBI, for now silently return 0 */ |
| 281 | return 0; |
| 282 | |
| 283 | /* set sliced VBI capture format */ |
| 284 | vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; |
| 285 | memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved)); |
| 286 | |
| 287 | if (vbifmt->service_set) |
Mauro Carvalho Chehab | aed6abd | 2008-04-29 21:38:51 -0300 | [diff] [blame^] | 288 | cx18_expand_service_set(vbifmt, cx->is_50hz); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 289 | set = check_service_set(vbifmt, cx->is_50hz); |
Mauro Carvalho Chehab | aed6abd | 2008-04-29 21:38:51 -0300 | [diff] [blame^] | 290 | vbifmt->service_set = cx18_get_service_set(vbifmt); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 291 | |
| 292 | if (!set_fmt) |
| 293 | return 0; |
| 294 | if (set == 0) |
| 295 | return -EINVAL; |
| 296 | if (atomic_read(&cx->capturing) > 0 && cx->vbi.sliced_in->service_set == 0) |
| 297 | return -EBUSY; |
| 298 | cx18_av_cmd(cx, VIDIOC_S_FMT, fmt); |
| 299 | memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in)); |
| 300 | return 0; |
| 301 | } |
| 302 | |
| 303 | static int cx18_debug_ioctls(struct file *filp, unsigned int cmd, void *arg) |
| 304 | { |
| 305 | struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data; |
| 306 | struct cx18 *cx = id->cx; |
| 307 | struct v4l2_register *reg = arg; |
| 308 | |
| 309 | switch (cmd) { |
| 310 | /* ioctls to allow direct access to the encoder registers for testing */ |
| 311 | case VIDIOC_DBG_G_REGISTER: |
| 312 | if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) |
| 313 | return cx18_cxc(cx, cmd, arg); |
| 314 | if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) |
| 315 | return cx18_i2c_id(cx, reg->match_chip, cmd, arg); |
| 316 | return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg); |
| 317 | |
| 318 | case VIDIOC_DBG_S_REGISTER: |
| 319 | if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) |
| 320 | return cx18_cxc(cx, cmd, arg); |
| 321 | if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) |
| 322 | return cx18_i2c_id(cx, reg->match_chip, cmd, arg); |
| 323 | return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg); |
| 324 | |
| 325 | case VIDIOC_G_CHIP_IDENT: { |
| 326 | struct v4l2_chip_ident *chip = arg; |
| 327 | |
| 328 | chip->ident = V4L2_IDENT_NONE; |
| 329 | chip->revision = 0; |
| 330 | if (reg->match_type == V4L2_CHIP_MATCH_HOST) { |
| 331 | if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) { |
| 332 | struct v4l2_chip_ident *chip = arg; |
| 333 | |
| 334 | chip->ident = V4L2_IDENT_CX23418; |
| 335 | } |
| 336 | return 0; |
| 337 | } |
| 338 | if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) |
| 339 | return cx18_i2c_id(cx, reg->match_chip, cmd, arg); |
| 340 | if (reg->match_type == V4L2_CHIP_MATCH_I2C_ADDR) |
| 341 | return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg); |
| 342 | return -EINVAL; |
| 343 | } |
| 344 | |
| 345 | case VIDIOC_INT_S_AUDIO_ROUTING: { |
| 346 | struct v4l2_routing *route = arg; |
| 347 | |
| 348 | cx18_audio_set_route(cx, route); |
| 349 | break; |
| 350 | } |
| 351 | |
| 352 | default: |
| 353 | return -EINVAL; |
| 354 | } |
| 355 | return 0; |
| 356 | } |
| 357 | |
| 358 | int cx18_v4l2_ioctls(struct cx18 *cx, struct file *filp, unsigned cmd, void *arg) |
| 359 | { |
| 360 | struct cx18_open_id *id = NULL; |
| 361 | |
| 362 | if (filp) |
| 363 | id = (struct cx18_open_id *)filp->private_data; |
| 364 | |
| 365 | switch (cmd) { |
| 366 | case VIDIOC_G_PRIORITY: |
| 367 | { |
| 368 | enum v4l2_priority *p = arg; |
| 369 | |
| 370 | *p = v4l2_prio_max(&cx->prio); |
| 371 | break; |
| 372 | } |
| 373 | |
| 374 | case VIDIOC_S_PRIORITY: |
| 375 | { |
| 376 | enum v4l2_priority *prio = arg; |
| 377 | |
| 378 | return v4l2_prio_change(&cx->prio, &id->prio, *prio); |
| 379 | } |
| 380 | |
| 381 | case VIDIOC_QUERYCAP:{ |
| 382 | struct v4l2_capability *vcap = arg; |
| 383 | |
| 384 | memset(vcap, 0, sizeof(*vcap)); |
| 385 | strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver)); |
| 386 | strlcpy(vcap->card, cx->card_name, sizeof(vcap->card)); |
| 387 | strlcpy(vcap->bus_info, pci_name(cx->dev), sizeof(vcap->bus_info)); |
| 388 | vcap->version = CX18_DRIVER_VERSION; /* version */ |
| 389 | vcap->capabilities = cx->v4l2_cap; /* capabilities */ |
| 390 | |
| 391 | /* reserved.. must set to 0! */ |
| 392 | vcap->reserved[0] = vcap->reserved[1] = |
| 393 | vcap->reserved[2] = vcap->reserved[3] = 0; |
| 394 | break; |
| 395 | } |
| 396 | |
| 397 | case VIDIOC_ENUMAUDIO:{ |
| 398 | struct v4l2_audio *vin = arg; |
| 399 | |
| 400 | return cx18_get_audio_input(cx, vin->index, vin); |
| 401 | } |
| 402 | |
| 403 | case VIDIOC_G_AUDIO:{ |
| 404 | struct v4l2_audio *vin = arg; |
| 405 | |
| 406 | vin->index = cx->audio_input; |
| 407 | return cx18_get_audio_input(cx, vin->index, vin); |
| 408 | } |
| 409 | |
| 410 | case VIDIOC_S_AUDIO:{ |
| 411 | struct v4l2_audio *vout = arg; |
| 412 | |
| 413 | if (vout->index >= cx->nof_audio_inputs) |
| 414 | return -EINVAL; |
| 415 | cx->audio_input = vout->index; |
| 416 | cx18_audio_set_io(cx); |
| 417 | break; |
| 418 | } |
| 419 | |
| 420 | case VIDIOC_ENUMINPUT:{ |
| 421 | struct v4l2_input *vin = arg; |
| 422 | |
| 423 | /* set it to defaults from our table */ |
| 424 | return cx18_get_input(cx, vin->index, vin); |
| 425 | } |
| 426 | |
| 427 | case VIDIOC_TRY_FMT: |
| 428 | case VIDIOC_S_FMT: { |
| 429 | struct v4l2_format *fmt = arg; |
| 430 | |
| 431 | return cx18_try_or_set_fmt(cx, id->type, fmt, cmd == VIDIOC_S_FMT); |
| 432 | } |
| 433 | |
| 434 | case VIDIOC_G_FMT: { |
| 435 | struct v4l2_format *fmt = arg; |
| 436 | int type = fmt->type; |
| 437 | |
| 438 | memset(fmt, 0, sizeof(*fmt)); |
| 439 | fmt->type = type; |
| 440 | return cx18_get_fmt(cx, id->type, fmt); |
| 441 | } |
| 442 | |
| 443 | case VIDIOC_CROPCAP: { |
| 444 | struct v4l2_cropcap *cropcap = arg; |
| 445 | |
| 446 | if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 447 | return -EINVAL; |
| 448 | cropcap->bounds.top = cropcap->bounds.left = 0; |
| 449 | cropcap->bounds.width = 720; |
| 450 | cropcap->bounds.height = cx->is_50hz ? 576 : 480; |
| 451 | cropcap->pixelaspect.numerator = cx->is_50hz ? 59 : 10; |
| 452 | cropcap->pixelaspect.denominator = cx->is_50hz ? 54 : 11; |
| 453 | cropcap->defrect = cropcap->bounds; |
| 454 | return 0; |
| 455 | } |
| 456 | |
| 457 | case VIDIOC_S_CROP: { |
| 458 | struct v4l2_crop *crop = arg; |
| 459 | |
| 460 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 461 | return -EINVAL; |
| 462 | return cx18_av_cmd(cx, VIDIOC_S_CROP, arg); |
| 463 | } |
| 464 | |
| 465 | case VIDIOC_G_CROP: { |
| 466 | struct v4l2_crop *crop = arg; |
| 467 | |
| 468 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 469 | return -EINVAL; |
| 470 | return cx18_av_cmd(cx, VIDIOC_G_CROP, arg); |
| 471 | } |
| 472 | |
| 473 | case VIDIOC_ENUM_FMT: { |
| 474 | static struct v4l2_fmtdesc formats[] = { |
| 475 | { 0, 0, 0, |
| 476 | "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, |
| 477 | { 0, 0, 0, 0 } |
| 478 | }, |
| 479 | { 1, 0, V4L2_FMT_FLAG_COMPRESSED, |
| 480 | "MPEG", V4L2_PIX_FMT_MPEG, |
| 481 | { 0, 0, 0, 0 } |
| 482 | } |
| 483 | }; |
| 484 | struct v4l2_fmtdesc *fmt = arg; |
| 485 | enum v4l2_buf_type type = fmt->type; |
| 486 | |
| 487 | switch (type) { |
| 488 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| 489 | break; |
| 490 | default: |
| 491 | return -EINVAL; |
| 492 | } |
| 493 | if (fmt->index > 1) |
| 494 | return -EINVAL; |
| 495 | *fmt = formats[fmt->index]; |
| 496 | fmt->type = type; |
| 497 | return 0; |
| 498 | } |
| 499 | |
| 500 | case VIDIOC_G_INPUT:{ |
| 501 | *(int *)arg = cx->active_input; |
| 502 | break; |
| 503 | } |
| 504 | |
| 505 | case VIDIOC_S_INPUT:{ |
| 506 | int inp = *(int *)arg; |
| 507 | |
| 508 | if (inp < 0 || inp >= cx->nof_inputs) |
| 509 | return -EINVAL; |
| 510 | |
| 511 | if (inp == cx->active_input) { |
| 512 | CX18_DEBUG_INFO("Input unchanged\n"); |
| 513 | break; |
| 514 | } |
| 515 | CX18_DEBUG_INFO("Changing input from %d to %d\n", |
| 516 | cx->active_input, inp); |
| 517 | |
| 518 | cx->active_input = inp; |
| 519 | /* Set the audio input to whatever is appropriate for the |
| 520 | input type. */ |
| 521 | cx->audio_input = cx->card->video_inputs[inp].audio_index; |
| 522 | |
| 523 | /* prevent others from messing with the streams until |
| 524 | we're finished changing inputs. */ |
| 525 | cx18_mute(cx); |
| 526 | cx18_video_set_io(cx); |
| 527 | cx18_audio_set_io(cx); |
| 528 | cx18_unmute(cx); |
| 529 | break; |
| 530 | } |
| 531 | |
| 532 | case VIDIOC_G_FREQUENCY:{ |
| 533 | struct v4l2_frequency *vf = arg; |
| 534 | |
| 535 | if (vf->tuner != 0) |
| 536 | return -EINVAL; |
| 537 | cx18_call_i2c_clients(cx, cmd, arg); |
| 538 | break; |
| 539 | } |
| 540 | |
| 541 | case VIDIOC_S_FREQUENCY:{ |
| 542 | struct v4l2_frequency vf = *(struct v4l2_frequency *)arg; |
| 543 | |
| 544 | if (vf.tuner != 0) |
| 545 | return -EINVAL; |
| 546 | |
| 547 | cx18_mute(cx); |
| 548 | CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf.frequency); |
| 549 | cx18_call_i2c_clients(cx, cmd, &vf); |
| 550 | cx18_unmute(cx); |
| 551 | break; |
| 552 | } |
| 553 | |
| 554 | case VIDIOC_ENUMSTD:{ |
| 555 | struct v4l2_standard *vs = arg; |
| 556 | int idx = vs->index; |
| 557 | |
| 558 | if (idx < 0 || idx >= ARRAY_SIZE(enum_stds)) |
| 559 | return -EINVAL; |
| 560 | |
| 561 | *vs = (enum_stds[idx].std & V4L2_STD_525_60) ? |
| 562 | cx18_std_60hz : cx18_std_50hz; |
| 563 | vs->index = idx; |
| 564 | vs->id = enum_stds[idx].std; |
| 565 | strlcpy(vs->name, enum_stds[idx].name, sizeof(vs->name)); |
| 566 | break; |
| 567 | } |
| 568 | |
| 569 | case VIDIOC_G_STD:{ |
| 570 | *(v4l2_std_id *) arg = cx->std; |
| 571 | break; |
| 572 | } |
| 573 | |
| 574 | case VIDIOC_S_STD: { |
| 575 | v4l2_std_id std = *(v4l2_std_id *) arg; |
| 576 | |
| 577 | if ((std & V4L2_STD_ALL) == 0) |
| 578 | return -EINVAL; |
| 579 | |
| 580 | if (std == cx->std) |
| 581 | break; |
| 582 | |
| 583 | if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) || |
| 584 | atomic_read(&cx->capturing) > 0) { |
| 585 | /* Switching standard would turn off the radio or mess |
| 586 | with already running streams, prevent that by |
| 587 | returning EBUSY. */ |
| 588 | return -EBUSY; |
| 589 | } |
| 590 | |
| 591 | cx->std = std; |
| 592 | cx->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0; |
| 593 | cx->params.is_50hz = cx->is_50hz = !cx->is_60hz; |
| 594 | cx->params.width = 720; |
| 595 | cx->params.height = cx->is_50hz ? 576 : 480; |
| 596 | cx->vbi.count = cx->is_50hz ? 18 : 12; |
| 597 | cx->vbi.start[0] = cx->is_50hz ? 6 : 10; |
| 598 | cx->vbi.start[1] = cx->is_50hz ? 318 : 273; |
| 599 | cx->vbi.sliced_decoder_line_size = cx->is_60hz ? 272 : 284; |
| 600 | CX18_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)cx->std); |
| 601 | |
| 602 | /* Tuner */ |
| 603 | cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std); |
| 604 | break; |
| 605 | } |
| 606 | |
| 607 | case VIDIOC_S_TUNER: { /* Setting tuner can only set audio mode */ |
| 608 | struct v4l2_tuner *vt = arg; |
| 609 | |
| 610 | if (vt->index != 0) |
| 611 | return -EINVAL; |
| 612 | |
| 613 | cx18_call_i2c_clients(cx, VIDIOC_S_TUNER, vt); |
| 614 | break; |
| 615 | } |
| 616 | |
| 617 | case VIDIOC_G_TUNER: { |
| 618 | struct v4l2_tuner *vt = arg; |
| 619 | |
| 620 | if (vt->index != 0) |
| 621 | return -EINVAL; |
| 622 | |
| 623 | memset(vt, 0, sizeof(*vt)); |
| 624 | cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, vt); |
| 625 | |
| 626 | if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) { |
| 627 | strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name)); |
| 628 | vt->type = V4L2_TUNER_RADIO; |
| 629 | } else { |
| 630 | strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name)); |
| 631 | vt->type = V4L2_TUNER_ANALOG_TV; |
| 632 | } |
| 633 | break; |
| 634 | } |
| 635 | |
| 636 | case VIDIOC_G_SLICED_VBI_CAP: { |
| 637 | struct v4l2_sliced_vbi_cap *cap = arg; |
| 638 | int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525; |
| 639 | int f, l; |
| 640 | enum v4l2_buf_type type = cap->type; |
| 641 | |
| 642 | memset(cap, 0, sizeof(*cap)); |
| 643 | cap->type = type; |
| 644 | if (type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { |
| 645 | for (f = 0; f < 2; f++) { |
| 646 | for (l = 0; l < 24; l++) { |
| 647 | if (valid_service_line(f, l, cx->is_50hz)) |
| 648 | cap->service_lines[f][l] = set; |
| 649 | } |
| 650 | } |
| 651 | return 0; |
| 652 | } |
| 653 | return -EINVAL; |
| 654 | } |
| 655 | |
| 656 | case VIDIOC_ENCODER_CMD: |
| 657 | case VIDIOC_TRY_ENCODER_CMD: { |
| 658 | struct v4l2_encoder_cmd *enc = arg; |
| 659 | int try = cmd == VIDIOC_TRY_ENCODER_CMD; |
| 660 | |
| 661 | memset(&enc->raw, 0, sizeof(enc->raw)); |
| 662 | switch (enc->cmd) { |
| 663 | case V4L2_ENC_CMD_START: |
| 664 | enc->flags = 0; |
| 665 | if (try) |
| 666 | return 0; |
| 667 | return cx18_start_capture(id); |
| 668 | |
| 669 | case V4L2_ENC_CMD_STOP: |
| 670 | enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END; |
| 671 | if (try) |
| 672 | return 0; |
| 673 | cx18_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END); |
| 674 | return 0; |
| 675 | |
| 676 | case V4L2_ENC_CMD_PAUSE: |
| 677 | enc->flags = 0; |
| 678 | if (try) |
| 679 | return 0; |
| 680 | if (!atomic_read(&cx->capturing)) |
| 681 | return -EPERM; |
| 682 | if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) |
| 683 | return 0; |
| 684 | cx18_mute(cx); |
| 685 | cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, cx18_find_handle(cx)); |
| 686 | break; |
| 687 | |
| 688 | case V4L2_ENC_CMD_RESUME: |
| 689 | enc->flags = 0; |
| 690 | if (try) |
| 691 | return 0; |
| 692 | if (!atomic_read(&cx->capturing)) |
| 693 | return -EPERM; |
| 694 | if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) |
| 695 | return 0; |
| 696 | cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, cx18_find_handle(cx)); |
| 697 | cx18_unmute(cx); |
| 698 | break; |
| 699 | default: |
| 700 | return -EINVAL; |
| 701 | } |
| 702 | break; |
| 703 | } |
| 704 | |
| 705 | case VIDIOC_LOG_STATUS: |
| 706 | { |
| 707 | struct v4l2_input vidin; |
| 708 | struct v4l2_audio audin; |
| 709 | int i; |
| 710 | |
| 711 | CX18_INFO("================= START STATUS CARD #%d =================\n", cx->num); |
| 712 | if (cx->hw_flags & CX18_HW_TVEEPROM) { |
| 713 | struct tveeprom tv; |
| 714 | |
| 715 | cx18_read_eeprom(cx, &tv); |
| 716 | } |
| 717 | cx18_call_i2c_clients(cx, VIDIOC_LOG_STATUS, NULL); |
| 718 | cx18_get_input(cx, cx->active_input, &vidin); |
| 719 | cx18_get_audio_input(cx, cx->audio_input, &audin); |
| 720 | CX18_INFO("Video Input: %s\n", vidin.name); |
| 721 | CX18_INFO("Audio Input: %s\n", audin.name); |
| 722 | CX18_INFO("Tuner: %s\n", |
| 723 | test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ? |
| 724 | "Radio" : "TV"); |
| 725 | cx2341x_log_status(&cx->params, cx->name); |
| 726 | CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags); |
| 727 | for (i = 0; i < CX18_MAX_STREAMS; i++) { |
| 728 | struct cx18_stream *s = &cx->streams[i]; |
| 729 | |
| 730 | if (s->v4l2dev == NULL || s->buffers == 0) |
| 731 | continue; |
| 732 | CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", |
| 733 | s->name, s->s_flags, |
| 734 | (s->buffers - s->q_free.buffers) * 100 / s->buffers, |
| 735 | (s->buffers * s->buf_size) / 1024, s->buffers); |
| 736 | } |
| 737 | CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n", |
| 738 | (long long)cx->mpg_data_received, |
| 739 | (long long)cx->vbi_data_inserted); |
| 740 | CX18_INFO("================== END STATUS CARD #%d ==================\n", cx->num); |
| 741 | break; |
| 742 | } |
| 743 | |
| 744 | default: |
| 745 | return -EINVAL; |
| 746 | } |
| 747 | return 0; |
| 748 | } |
| 749 | |
| 750 | static int cx18_v4l2_do_ioctl(struct inode *inode, struct file *filp, |
| 751 | unsigned int cmd, void *arg) |
| 752 | { |
| 753 | struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data; |
| 754 | struct cx18 *cx = id->cx; |
| 755 | int ret; |
| 756 | |
| 757 | /* check priority */ |
| 758 | switch (cmd) { |
| 759 | case VIDIOC_S_CTRL: |
| 760 | case VIDIOC_S_STD: |
| 761 | case VIDIOC_S_INPUT: |
| 762 | case VIDIOC_S_TUNER: |
| 763 | case VIDIOC_S_FREQUENCY: |
| 764 | case VIDIOC_S_FMT: |
| 765 | case VIDIOC_S_CROP: |
| 766 | case VIDIOC_S_EXT_CTRLS: |
| 767 | ret = v4l2_prio_check(&cx->prio, &id->prio); |
| 768 | if (ret) |
| 769 | return ret; |
| 770 | } |
| 771 | |
| 772 | switch (cmd) { |
| 773 | case VIDIOC_DBG_G_REGISTER: |
| 774 | case VIDIOC_DBG_S_REGISTER: |
| 775 | case VIDIOC_G_CHIP_IDENT: |
| 776 | case VIDIOC_INT_S_AUDIO_ROUTING: |
| 777 | case VIDIOC_INT_RESET: |
| 778 | if (cx18_debug & CX18_DBGFLG_IOCTL) { |
| 779 | printk(KERN_INFO "cx18%d ioctl: ", cx->num); |
| 780 | v4l_printk_ioctl(cmd); |
| 781 | } |
| 782 | return cx18_debug_ioctls(filp, cmd, arg); |
| 783 | |
| 784 | case VIDIOC_G_PRIORITY: |
| 785 | case VIDIOC_S_PRIORITY: |
| 786 | case VIDIOC_QUERYCAP: |
| 787 | case VIDIOC_ENUMINPUT: |
| 788 | case VIDIOC_G_INPUT: |
| 789 | case VIDIOC_S_INPUT: |
| 790 | case VIDIOC_G_FMT: |
| 791 | case VIDIOC_S_FMT: |
| 792 | case VIDIOC_TRY_FMT: |
| 793 | case VIDIOC_ENUM_FMT: |
| 794 | case VIDIOC_CROPCAP: |
| 795 | case VIDIOC_G_CROP: |
| 796 | case VIDIOC_S_CROP: |
| 797 | case VIDIOC_G_FREQUENCY: |
| 798 | case VIDIOC_S_FREQUENCY: |
| 799 | case VIDIOC_ENUMSTD: |
| 800 | case VIDIOC_G_STD: |
| 801 | case VIDIOC_S_STD: |
| 802 | case VIDIOC_S_TUNER: |
| 803 | case VIDIOC_G_TUNER: |
| 804 | case VIDIOC_ENUMAUDIO: |
| 805 | case VIDIOC_S_AUDIO: |
| 806 | case VIDIOC_G_AUDIO: |
| 807 | case VIDIOC_G_SLICED_VBI_CAP: |
| 808 | case VIDIOC_LOG_STATUS: |
| 809 | case VIDIOC_G_ENC_INDEX: |
| 810 | case VIDIOC_ENCODER_CMD: |
| 811 | case VIDIOC_TRY_ENCODER_CMD: |
| 812 | if (cx18_debug & CX18_DBGFLG_IOCTL) { |
| 813 | printk(KERN_INFO "cx18%d ioctl: ", cx->num); |
| 814 | v4l_printk_ioctl(cmd); |
| 815 | } |
| 816 | return cx18_v4l2_ioctls(cx, filp, cmd, arg); |
| 817 | |
| 818 | case VIDIOC_QUERYMENU: |
| 819 | case VIDIOC_QUERYCTRL: |
| 820 | case VIDIOC_S_CTRL: |
| 821 | case VIDIOC_G_CTRL: |
| 822 | case VIDIOC_S_EXT_CTRLS: |
| 823 | case VIDIOC_G_EXT_CTRLS: |
| 824 | case VIDIOC_TRY_EXT_CTRLS: |
| 825 | if (cx18_debug & CX18_DBGFLG_IOCTL) { |
| 826 | printk(KERN_INFO "cx18%d ioctl: ", cx->num); |
| 827 | v4l_printk_ioctl(cmd); |
| 828 | } |
| 829 | return cx18_control_ioctls(cx, cmd, arg); |
| 830 | |
| 831 | case 0x00005401: /* Handle isatty() calls */ |
| 832 | return -EINVAL; |
| 833 | default: |
| 834 | return v4l_compat_translate_ioctl(inode, filp, cmd, arg, |
| 835 | cx18_v4l2_do_ioctl); |
| 836 | } |
| 837 | return 0; |
| 838 | } |
| 839 | |
| 840 | int cx18_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, |
| 841 | unsigned long arg) |
| 842 | { |
| 843 | struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data; |
| 844 | struct cx18 *cx = id->cx; |
| 845 | int res; |
| 846 | |
| 847 | mutex_lock(&cx->serialize_lock); |
| 848 | res = video_usercopy(inode, filp, cmd, arg, cx18_v4l2_do_ioctl); |
| 849 | mutex_unlock(&cx->serialize_lock); |
| 850 | return res; |
| 851 | } |