Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Driver for the Conexant CX23885 PCIe bridge |
| 3 | * |
Steven Toth | 6d89761 | 2008-09-03 17:12:12 -0300 | [diff] [blame] | 4 | * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org> |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 20 | */ |
| 21 | |
| 22 | #include <linux/init.h> |
| 23 | #include <linux/list.h> |
| 24 | #include <linux/module.h> |
| 25 | #include <linux/moduleparam.h> |
| 26 | #include <linux/kmod.h> |
| 27 | #include <linux/kernel.h> |
| 28 | #include <linux/slab.h> |
| 29 | #include <linux/interrupt.h> |
| 30 | #include <linux/delay.h> |
| 31 | #include <linux/kthread.h> |
| 32 | #include <asm/div64.h> |
| 33 | |
| 34 | #include "cx23885.h" |
| 35 | #include <media/v4l2-common.h> |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 36 | #include <media/v4l2-ioctl.h> |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 37 | |
| 38 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 39 | /* Include V4L1 specific functions. Should be removed soon */ |
| 40 | #include <linux/videodev.h> |
| 41 | #endif |
| 42 | |
| 43 | MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); |
Steven Toth | 6d89761 | 2008-09-03 17:12:12 -0300 | [diff] [blame] | 44 | MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 45 | MODULE_LICENSE("GPL"); |
| 46 | |
| 47 | /* ------------------------------------------------------------------ */ |
| 48 | |
| 49 | static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; |
| 50 | static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; |
| 51 | static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; |
| 52 | |
| 53 | module_param_array(video_nr, int, NULL, 0444); |
| 54 | module_param_array(vbi_nr, int, NULL, 0444); |
| 55 | module_param_array(radio_nr, int, NULL, 0444); |
| 56 | |
| 57 | MODULE_PARM_DESC(video_nr, "video device numbers"); |
| 58 | MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); |
| 59 | MODULE_PARM_DESC(radio_nr, "radio device numbers"); |
| 60 | |
Steven Toth | 4513fc69 | 2008-01-12 11:36:36 -0300 | [diff] [blame] | 61 | static unsigned int video_debug; |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 62 | module_param(video_debug, int, 0644); |
| 63 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); |
| 64 | |
Steven Toth | 4513fc69 | 2008-01-12 11:36:36 -0300 | [diff] [blame] | 65 | static unsigned int irq_debug; |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 66 | module_param(irq_debug, int, 0644); |
| 67 | MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); |
| 68 | |
| 69 | static unsigned int vid_limit = 16; |
| 70 | module_param(vid_limit, int, 0644); |
| 71 | MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); |
| 72 | |
| 73 | #define dprintk(level, fmt, arg...)\ |
Steven Toth | 4513fc69 | 2008-01-12 11:36:36 -0300 | [diff] [blame] | 74 | do { if (video_debug >= level)\ |
| 75 | printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\ |
| 76 | } while (0) |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 77 | |
| 78 | /* ------------------------------------------------------------------- */ |
| 79 | /* static data */ |
| 80 | |
| 81 | #define FORMAT_FLAGS_PACKED 0x01 |
| 82 | |
| 83 | static struct cx23885_fmt formats[] = { |
| 84 | { |
| 85 | .name = "8 bpp, gray", |
| 86 | .fourcc = V4L2_PIX_FMT_GREY, |
| 87 | .depth = 8, |
| 88 | .flags = FORMAT_FLAGS_PACKED, |
| 89 | }, { |
| 90 | .name = "15 bpp RGB, le", |
| 91 | .fourcc = V4L2_PIX_FMT_RGB555, |
| 92 | .depth = 16, |
| 93 | .flags = FORMAT_FLAGS_PACKED, |
| 94 | }, { |
| 95 | .name = "15 bpp RGB, be", |
| 96 | .fourcc = V4L2_PIX_FMT_RGB555X, |
| 97 | .depth = 16, |
| 98 | .flags = FORMAT_FLAGS_PACKED, |
| 99 | }, { |
| 100 | .name = "16 bpp RGB, le", |
| 101 | .fourcc = V4L2_PIX_FMT_RGB565, |
| 102 | .depth = 16, |
| 103 | .flags = FORMAT_FLAGS_PACKED, |
| 104 | }, { |
| 105 | .name = "16 bpp RGB, be", |
| 106 | .fourcc = V4L2_PIX_FMT_RGB565X, |
| 107 | .depth = 16, |
| 108 | .flags = FORMAT_FLAGS_PACKED, |
| 109 | }, { |
| 110 | .name = "24 bpp RGB, le", |
| 111 | .fourcc = V4L2_PIX_FMT_BGR24, |
| 112 | .depth = 24, |
| 113 | .flags = FORMAT_FLAGS_PACKED, |
| 114 | }, { |
| 115 | .name = "32 bpp RGB, le", |
| 116 | .fourcc = V4L2_PIX_FMT_BGR32, |
| 117 | .depth = 32, |
| 118 | .flags = FORMAT_FLAGS_PACKED, |
| 119 | }, { |
| 120 | .name = "32 bpp RGB, be", |
| 121 | .fourcc = V4L2_PIX_FMT_RGB32, |
| 122 | .depth = 32, |
| 123 | .flags = FORMAT_FLAGS_PACKED, |
| 124 | }, { |
| 125 | .name = "4:2:2, packed, YUYV", |
| 126 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 127 | .depth = 16, |
| 128 | .flags = FORMAT_FLAGS_PACKED, |
| 129 | }, { |
| 130 | .name = "4:2:2, packed, UYVY", |
| 131 | .fourcc = V4L2_PIX_FMT_UYVY, |
| 132 | .depth = 16, |
| 133 | .flags = FORMAT_FLAGS_PACKED, |
| 134 | }, |
| 135 | }; |
| 136 | |
| 137 | static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) |
| 138 | { |
| 139 | unsigned int i; |
| 140 | |
| 141 | for (i = 0; i < ARRAY_SIZE(formats); i++) |
| 142 | if (formats[i].fourcc == fourcc) |
| 143 | return formats+i; |
| 144 | |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 145 | printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 146 | return NULL; |
| 147 | } |
| 148 | |
| 149 | /* ------------------------------------------------------------------- */ |
| 150 | |
| 151 | static const struct v4l2_queryctrl no_ctl = { |
| 152 | .name = "42", |
| 153 | .flags = V4L2_CTRL_FLAG_DISABLED, |
| 154 | }; |
| 155 | |
| 156 | static struct cx23885_ctrl cx23885_ctls[] = { |
| 157 | /* --- video --- */ |
| 158 | { |
| 159 | .v = { |
| 160 | .id = V4L2_CID_BRIGHTNESS, |
| 161 | .name = "Brightness", |
| 162 | .minimum = 0x00, |
| 163 | .maximum = 0xff, |
| 164 | .step = 1, |
| 165 | .default_value = 0x7f, |
| 166 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 167 | }, |
| 168 | .off = 128, |
| 169 | .reg = LUMA_CTRL, |
| 170 | .mask = 0x00ff, |
| 171 | .shift = 0, |
| 172 | }, { |
| 173 | .v = { |
| 174 | .id = V4L2_CID_CONTRAST, |
| 175 | .name = "Contrast", |
| 176 | .minimum = 0, |
| 177 | .maximum = 0xff, |
| 178 | .step = 1, |
| 179 | .default_value = 0x3f, |
| 180 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 181 | }, |
| 182 | .off = 0, |
| 183 | .reg = LUMA_CTRL, |
| 184 | .mask = 0xff00, |
| 185 | .shift = 8, |
| 186 | }, { |
| 187 | .v = { |
| 188 | .id = V4L2_CID_HUE, |
| 189 | .name = "Hue", |
| 190 | .minimum = 0, |
| 191 | .maximum = 0xff, |
| 192 | .step = 1, |
| 193 | .default_value = 0x7f, |
| 194 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 195 | }, |
| 196 | .off = 128, |
| 197 | .reg = CHROMA_CTRL, |
| 198 | .mask = 0xff0000, |
| 199 | .shift = 16, |
| 200 | }, { |
| 201 | /* strictly, this only describes only U saturation. |
| 202 | * V saturation is handled specially through code. |
| 203 | */ |
| 204 | .v = { |
| 205 | .id = V4L2_CID_SATURATION, |
| 206 | .name = "Saturation", |
| 207 | .minimum = 0, |
| 208 | .maximum = 0xff, |
| 209 | .step = 1, |
| 210 | .default_value = 0x7f, |
| 211 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 212 | }, |
| 213 | .off = 0, |
| 214 | .reg = CHROMA_CTRL, |
| 215 | .mask = 0x00ff, |
| 216 | .shift = 0, |
| 217 | }, { |
| 218 | /* --- audio --- */ |
| 219 | .v = { |
| 220 | .id = V4L2_CID_AUDIO_MUTE, |
| 221 | .name = "Mute", |
| 222 | .minimum = 0, |
| 223 | .maximum = 1, |
| 224 | .default_value = 1, |
| 225 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 226 | }, |
| 227 | .reg = PATH1_CTL1, |
| 228 | .mask = (0x1f << 24), |
| 229 | .shift = 24, |
| 230 | }, { |
| 231 | .v = { |
| 232 | .id = V4L2_CID_AUDIO_VOLUME, |
| 233 | .name = "Volume", |
| 234 | .minimum = 0, |
| 235 | .maximum = 0x3f, |
| 236 | .step = 1, |
| 237 | .default_value = 0x3f, |
| 238 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 239 | }, |
| 240 | .reg = PATH1_VOL_CTL, |
| 241 | .mask = 0xff, |
| 242 | .shift = 0, |
| 243 | } |
| 244 | }; |
| 245 | static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls); |
| 246 | |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 247 | static const u32 cx23885_user_ctrls[] = { |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 248 | V4L2_CID_USER_CLASS, |
| 249 | V4L2_CID_BRIGHTNESS, |
| 250 | V4L2_CID_CONTRAST, |
| 251 | V4L2_CID_SATURATION, |
| 252 | V4L2_CID_HUE, |
| 253 | V4L2_CID_AUDIO_VOLUME, |
| 254 | V4L2_CID_AUDIO_MUTE, |
| 255 | 0 |
| 256 | }; |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 257 | |
| 258 | static const u32 *ctrl_classes[] = { |
| 259 | cx23885_user_ctrls, |
| 260 | NULL |
| 261 | }; |
| 262 | |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 263 | static void cx23885_video_wakeup(struct cx23885_dev *dev, |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 264 | struct cx23885_dmaqueue *q, u32 count) |
| 265 | { |
| 266 | struct cx23885_buffer *buf; |
| 267 | int bc; |
| 268 | |
| 269 | for (bc = 0;; bc++) { |
| 270 | if (list_empty(&q->active)) |
| 271 | break; |
| 272 | buf = list_entry(q->active.next, |
| 273 | struct cx23885_buffer, vb.queue); |
Steven Toth | a19602f2 | 2008-01-10 11:43:18 -0300 | [diff] [blame] | 274 | |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 275 | /* count comes from the hw and is is 16bit wide -- |
| 276 | * this trick handles wrap-arounds correctly for |
| 277 | * up to 32767 buffers in flight... */ |
| 278 | if ((s16) (count - buf->count) < 0) |
| 279 | break; |
Steven Toth | a19602f2 | 2008-01-10 11:43:18 -0300 | [diff] [blame] | 280 | |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 281 | do_gettimeofday(&buf->vb.ts); |
| 282 | dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, |
| 283 | count, buf->count); |
| 284 | buf->vb.state = VIDEOBUF_DONE; |
| 285 | list_del(&buf->vb.queue); |
| 286 | wake_up(&buf->vb.done); |
| 287 | } |
Steven Toth | 9c8ced5 | 2008-10-16 20:18:44 -0300 | [diff] [blame] | 288 | if (list_empty(&q->active)) |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 289 | del_timer(&q->timeout); |
Steven Toth | 9c8ced5 | 2008-10-16 20:18:44 -0300 | [diff] [blame] | 290 | else |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 291 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 292 | if (bc != 1) |
Steven Toth | 21a7809 | 2008-01-10 04:38:59 -0300 | [diff] [blame] | 293 | printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 294 | __func__, bc); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 295 | } |
| 296 | |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 297 | static int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 298 | { |
| 299 | dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 300 | __func__, |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 301 | (unsigned int)norm, |
| 302 | v4l2_norm_to_name(norm)); |
| 303 | |
| 304 | dev->tvnorm = norm; |
| 305 | |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 306 | /* Tell the analog tuner/demods */ |
| 307 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_STD, &norm); |
| 308 | |
| 309 | /* Tell the internal A/V decoder */ |
| 310 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_STD, &norm); |
| 311 | |
| 312 | return 0; |
| 313 | } |
| 314 | |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 315 | static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 316 | struct pci_dev *pci, |
| 317 | struct video_device *template, |
| 318 | char *type) |
| 319 | { |
| 320 | struct video_device *vfd; |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 321 | dprintk(1, "%s()\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 322 | |
| 323 | vfd = video_device_alloc(); |
| 324 | if (NULL == vfd) |
| 325 | return NULL; |
| 326 | *vfd = *template; |
| 327 | vfd->minor = -1; |
Hans Verkuil | 5e85e73 | 2008-07-20 06:31:39 -0300 | [diff] [blame] | 328 | vfd->parent = &pci->dev; |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 329 | vfd->release = video_device_release; |
| 330 | snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", |
| 331 | dev->name, type, cx23885_boards[dev->board].name); |
| 332 | return vfd; |
| 333 | } |
| 334 | |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 335 | static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 336 | { |
| 337 | int i; |
| 338 | |
| 339 | if (qctrl->id < V4L2_CID_BASE || |
| 340 | qctrl->id >= V4L2_CID_LASTP1) |
| 341 | return -EINVAL; |
| 342 | for (i = 0; i < CX23885_CTLS; i++) |
| 343 | if (cx23885_ctls[i].v.id == qctrl->id) |
| 344 | break; |
| 345 | if (i == CX23885_CTLS) { |
| 346 | *qctrl = no_ctl; |
| 347 | return 0; |
| 348 | } |
| 349 | *qctrl = cx23885_ctls[i].v; |
| 350 | return 0; |
| 351 | } |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 352 | |
| 353 | /* ------------------------------------------------------------------- */ |
| 354 | /* resource management */ |
| 355 | |
| 356 | static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh, |
| 357 | unsigned int bit) |
| 358 | { |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 359 | dprintk(1, "%s()\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 360 | if (fh->resources & bit) |
| 361 | /* have it already allocated */ |
| 362 | return 1; |
| 363 | |
| 364 | /* is it free? */ |
| 365 | mutex_lock(&dev->lock); |
| 366 | if (dev->resources & bit) { |
| 367 | /* no, someone else uses it */ |
| 368 | mutex_unlock(&dev->lock); |
| 369 | return 0; |
| 370 | } |
| 371 | /* it's free, grab it */ |
| 372 | fh->resources |= bit; |
| 373 | dev->resources |= bit; |
| 374 | dprintk(1, "res: get %d\n", bit); |
| 375 | mutex_unlock(&dev->lock); |
| 376 | return 1; |
| 377 | } |
| 378 | |
| 379 | static int res_check(struct cx23885_fh *fh, unsigned int bit) |
| 380 | { |
Steven Toth | 9c8ced5 | 2008-10-16 20:18:44 -0300 | [diff] [blame] | 381 | return fh->resources & bit; |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 382 | } |
| 383 | |
| 384 | static int res_locked(struct cx23885_dev *dev, unsigned int bit) |
| 385 | { |
Steven Toth | 9c8ced5 | 2008-10-16 20:18:44 -0300 | [diff] [blame] | 386 | return dev->resources & bit; |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 387 | } |
| 388 | |
| 389 | static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh, |
| 390 | unsigned int bits) |
| 391 | { |
| 392 | BUG_ON((fh->resources & bits) != bits); |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 393 | dprintk(1, "%s()\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 394 | |
| 395 | mutex_lock(&dev->lock); |
| 396 | fh->resources &= ~bits; |
| 397 | dev->resources &= ~bits; |
| 398 | dprintk(1, "res: put %d\n", bits); |
| 399 | mutex_unlock(&dev->lock); |
| 400 | } |
| 401 | |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 402 | static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 403 | { |
| 404 | struct v4l2_routing route; |
| 405 | memset(&route, 0, sizeof(route)); |
| 406 | |
| 407 | dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 408 | __func__, |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 409 | input, INPUT(input)->vmux, |
| 410 | INPUT(input)->gpio0, INPUT(input)->gpio1, |
| 411 | INPUT(input)->gpio2, INPUT(input)->gpio3); |
| 412 | dev->input = input; |
| 413 | |
| 414 | route.input = INPUT(input)->vmux; |
| 415 | |
| 416 | /* Tell the internal A/V decoder */ |
| 417 | cx23885_call_i2c_clients(&dev->i2c_bus[2], |
| 418 | VIDIOC_INT_S_VIDEO_ROUTING, &route); |
| 419 | |
| 420 | return 0; |
| 421 | } |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 422 | |
| 423 | /* ------------------------------------------------------------------ */ |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 424 | static int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width, |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 425 | unsigned int height, enum v4l2_field field) |
| 426 | { |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 427 | dprintk(1, "%s()\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 428 | return 0; |
| 429 | } |
| 430 | |
| 431 | static int cx23885_start_video_dma(struct cx23885_dev *dev, |
| 432 | struct cx23885_dmaqueue *q, |
| 433 | struct cx23885_buffer *buf) |
| 434 | { |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 435 | dprintk(1, "%s()\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 436 | |
| 437 | /* setup fifo + format */ |
| 438 | cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], |
| 439 | buf->bpl, buf->risc.dma); |
| 440 | cx23885_set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field); |
| 441 | |
| 442 | /* reset counter */ |
| 443 | cx_write(VID_A_GPCNT_CTL, 3); |
| 444 | q->count = 1; |
| 445 | |
| 446 | /* enable irq */ |
| 447 | cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | 0x01); |
| 448 | cx_set(VID_A_INT_MSK, 0x000011); |
| 449 | |
| 450 | /* start dma */ |
| 451 | cx_set(DEV_CNTRL2, (1<<5)); |
| 452 | cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ |
| 453 | |
| 454 | return 0; |
| 455 | } |
| 456 | |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 457 | |
| 458 | static int cx23885_restart_video_queue(struct cx23885_dev *dev, |
| 459 | struct cx23885_dmaqueue *q) |
| 460 | { |
| 461 | struct cx23885_buffer *buf, *prev; |
| 462 | struct list_head *item; |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 463 | dprintk(1, "%s()\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 464 | |
| 465 | if (!list_empty(&q->active)) { |
| 466 | buf = list_entry(q->active.next, struct cx23885_buffer, |
| 467 | vb.queue); |
| 468 | dprintk(2, "restart_queue [%p/%d]: restart dma\n", |
| 469 | buf, buf->vb.i); |
| 470 | cx23885_start_video_dma(dev, q, buf); |
| 471 | list_for_each(item, &q->active) { |
| 472 | buf = list_entry(item, struct cx23885_buffer, |
| 473 | vb.queue); |
| 474 | buf->count = q->count++; |
| 475 | } |
| 476 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
| 477 | return 0; |
| 478 | } |
| 479 | |
| 480 | prev = NULL; |
| 481 | for (;;) { |
| 482 | if (list_empty(&q->queued)) |
| 483 | return 0; |
| 484 | buf = list_entry(q->queued.next, struct cx23885_buffer, |
| 485 | vb.queue); |
| 486 | if (NULL == prev) { |
| 487 | list_move_tail(&buf->vb.queue, &q->active); |
| 488 | cx23885_start_video_dma(dev, q, buf); |
| 489 | buf->vb.state = VIDEOBUF_ACTIVE; |
| 490 | buf->count = q->count++; |
| 491 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
| 492 | dprintk(2, "[%p/%d] restart_queue - first active\n", |
| 493 | buf, buf->vb.i); |
| 494 | |
| 495 | } else if (prev->vb.width == buf->vb.width && |
| 496 | prev->vb.height == buf->vb.height && |
| 497 | prev->fmt == buf->fmt) { |
| 498 | list_move_tail(&buf->vb.queue, &q->active); |
| 499 | buf->vb.state = VIDEOBUF_ACTIVE; |
| 500 | buf->count = q->count++; |
| 501 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
| 502 | prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ |
| 503 | dprintk(2, "[%p/%d] restart_queue - move to active\n", |
| 504 | buf, buf->vb.i); |
| 505 | } else { |
| 506 | return 0; |
| 507 | } |
| 508 | prev = buf; |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | static int buffer_setup(struct videobuf_queue *q, unsigned int *count, |
| 513 | unsigned int *size) |
| 514 | { |
| 515 | struct cx23885_fh *fh = q->priv_data; |
| 516 | |
| 517 | *size = fh->fmt->depth*fh->width*fh->height >> 3; |
| 518 | if (0 == *count) |
| 519 | *count = 32; |
| 520 | while (*size * *count > vid_limit * 1024 * 1024) |
| 521 | (*count)--; |
| 522 | return 0; |
| 523 | } |
| 524 | |
| 525 | static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, |
| 526 | enum v4l2_field field) |
| 527 | { |
| 528 | struct cx23885_fh *fh = q->priv_data; |
| 529 | struct cx23885_dev *dev = fh->dev; |
| 530 | struct cx23885_buffer *buf = |
| 531 | container_of(vb, struct cx23885_buffer, vb); |
| 532 | int rc, init_buffer = 0; |
| 533 | u32 line0_offset, line1_offset; |
| 534 | struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); |
| 535 | |
| 536 | BUG_ON(NULL == fh->fmt); |
| 537 | if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || |
| 538 | fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) |
| 539 | return -EINVAL; |
| 540 | buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; |
| 541 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) |
| 542 | return -EINVAL; |
| 543 | |
| 544 | if (buf->fmt != fh->fmt || |
| 545 | buf->vb.width != fh->width || |
| 546 | buf->vb.height != fh->height || |
| 547 | buf->vb.field != field) { |
| 548 | buf->fmt = fh->fmt; |
| 549 | buf->vb.width = fh->width; |
| 550 | buf->vb.height = fh->height; |
| 551 | buf->vb.field = field; |
| 552 | init_buffer = 1; |
| 553 | } |
| 554 | |
| 555 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
| 556 | init_buffer = 1; |
| 557 | rc = videobuf_iolock(q, &buf->vb, NULL); |
| 558 | if (0 != rc) |
| 559 | goto fail; |
| 560 | } |
| 561 | |
| 562 | if (init_buffer) { |
| 563 | buf->bpl = buf->vb.width * buf->fmt->depth >> 3; |
| 564 | switch (buf->vb.field) { |
| 565 | case V4L2_FIELD_TOP: |
| 566 | cx23885_risc_buffer(dev->pci, &buf->risc, |
| 567 | dma->sglist, 0, UNSET, |
| 568 | buf->bpl, 0, buf->vb.height); |
| 569 | break; |
| 570 | case V4L2_FIELD_BOTTOM: |
| 571 | cx23885_risc_buffer(dev->pci, &buf->risc, |
| 572 | dma->sglist, UNSET, 0, |
| 573 | buf->bpl, 0, buf->vb.height); |
| 574 | break; |
| 575 | case V4L2_FIELD_INTERLACED: |
| 576 | if (dev->tvnorm & V4L2_STD_NTSC) { |
| 577 | /* cx25840 transmits NTSC bottom field first */ |
| 578 | dprintk(1, "%s() Creating NTSC risc\n", |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 579 | __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 580 | line0_offset = buf->bpl; |
| 581 | line1_offset = 0; |
| 582 | } else { |
| 583 | /* All other formats are top field first */ |
| 584 | dprintk(1, "%s() Creating PAL/SECAM risc\n", |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 585 | __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 586 | line0_offset = 0; |
| 587 | line1_offset = buf->bpl; |
| 588 | } |
| 589 | cx23885_risc_buffer(dev->pci, &buf->risc, |
| 590 | dma->sglist, line0_offset, |
| 591 | line1_offset, |
| 592 | buf->bpl, buf->bpl, |
| 593 | buf->vb.height >> 1); |
| 594 | break; |
| 595 | case V4L2_FIELD_SEQ_TB: |
| 596 | cx23885_risc_buffer(dev->pci, &buf->risc, |
| 597 | dma->sglist, |
| 598 | 0, buf->bpl * (buf->vb.height >> 1), |
| 599 | buf->bpl, 0, |
| 600 | buf->vb.height >> 1); |
| 601 | break; |
| 602 | case V4L2_FIELD_SEQ_BT: |
| 603 | cx23885_risc_buffer(dev->pci, &buf->risc, |
| 604 | dma->sglist, |
| 605 | buf->bpl * (buf->vb.height >> 1), 0, |
| 606 | buf->bpl, 0, |
| 607 | buf->vb.height >> 1); |
| 608 | break; |
| 609 | default: |
| 610 | BUG(); |
| 611 | } |
| 612 | } |
| 613 | dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", |
| 614 | buf, buf->vb.i, |
| 615 | fh->width, fh->height, fh->fmt->depth, fh->fmt->name, |
| 616 | (unsigned long)buf->risc.dma); |
| 617 | |
| 618 | buf->vb.state = VIDEOBUF_PREPARED; |
| 619 | return 0; |
| 620 | |
| 621 | fail: |
| 622 | cx23885_free_buffer(q, buf); |
| 623 | return rc; |
| 624 | } |
| 625 | |
| 626 | static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) |
| 627 | { |
| 628 | struct cx23885_buffer *buf = container_of(vb, |
| 629 | struct cx23885_buffer, vb); |
| 630 | struct cx23885_buffer *prev; |
| 631 | struct cx23885_fh *fh = vq->priv_data; |
| 632 | struct cx23885_dev *dev = fh->dev; |
| 633 | struct cx23885_dmaqueue *q = &dev->vidq; |
| 634 | |
| 635 | /* add jump to stopper */ |
| 636 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); |
| 637 | buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); |
| 638 | buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ |
| 639 | |
| 640 | if (!list_empty(&q->queued)) { |
| 641 | list_add_tail(&buf->vb.queue, &q->queued); |
| 642 | buf->vb.state = VIDEOBUF_QUEUED; |
| 643 | dprintk(2, "[%p/%d] buffer_queue - append to queued\n", |
| 644 | buf, buf->vb.i); |
| 645 | |
| 646 | } else if (list_empty(&q->active)) { |
| 647 | list_add_tail(&buf->vb.queue, &q->active); |
| 648 | cx23885_start_video_dma(dev, q, buf); |
| 649 | buf->vb.state = VIDEOBUF_ACTIVE; |
| 650 | buf->count = q->count++; |
| 651 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
| 652 | dprintk(2, "[%p/%d] buffer_queue - first active\n", |
| 653 | buf, buf->vb.i); |
| 654 | |
| 655 | } else { |
| 656 | prev = list_entry(q->active.prev, struct cx23885_buffer, |
| 657 | vb.queue); |
| 658 | if (prev->vb.width == buf->vb.width && |
| 659 | prev->vb.height == buf->vb.height && |
| 660 | prev->fmt == buf->fmt) { |
| 661 | list_add_tail(&buf->vb.queue, &q->active); |
| 662 | buf->vb.state = VIDEOBUF_ACTIVE; |
| 663 | buf->count = q->count++; |
| 664 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
| 665 | /* 64 bit bits 63-32 */ |
| 666 | prev->risc.jmp[2] = cpu_to_le32(0); |
| 667 | dprintk(2, "[%p/%d] buffer_queue - append to active\n", |
| 668 | buf, buf->vb.i); |
| 669 | |
| 670 | } else { |
| 671 | list_add_tail(&buf->vb.queue, &q->queued); |
| 672 | buf->vb.state = VIDEOBUF_QUEUED; |
| 673 | dprintk(2, "[%p/%d] buffer_queue - first queued\n", |
| 674 | buf, buf->vb.i); |
| 675 | } |
| 676 | } |
| 677 | } |
| 678 | |
| 679 | static void buffer_release(struct videobuf_queue *q, |
| 680 | struct videobuf_buffer *vb) |
| 681 | { |
| 682 | struct cx23885_buffer *buf = container_of(vb, |
| 683 | struct cx23885_buffer, vb); |
| 684 | |
| 685 | cx23885_free_buffer(q, buf); |
| 686 | } |
| 687 | |
| 688 | static struct videobuf_queue_ops cx23885_video_qops = { |
| 689 | .buf_setup = buffer_setup, |
| 690 | .buf_prepare = buffer_prepare, |
| 691 | .buf_queue = buffer_queue, |
| 692 | .buf_release = buffer_release, |
| 693 | }; |
| 694 | |
| 695 | static struct videobuf_queue *get_queue(struct cx23885_fh *fh) |
| 696 | { |
| 697 | switch (fh->type) { |
| 698 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| 699 | return &fh->vidq; |
| 700 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 701 | return &fh->vbiq; |
| 702 | default: |
| 703 | BUG(); |
| 704 | return NULL; |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | static int get_resource(struct cx23885_fh *fh) |
| 709 | { |
| 710 | switch (fh->type) { |
| 711 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| 712 | return RESOURCE_VIDEO; |
| 713 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 714 | return RESOURCE_VBI; |
| 715 | default: |
| 716 | BUG(); |
| 717 | return 0; |
| 718 | } |
| 719 | } |
| 720 | |
| 721 | static int video_open(struct inode *inode, struct file *file) |
| 722 | { |
| 723 | int minor = iminor(inode); |
| 724 | struct cx23885_dev *h, *dev = NULL; |
| 725 | struct cx23885_fh *fh; |
| 726 | struct list_head *list; |
| 727 | enum v4l2_buf_type type = 0; |
| 728 | int radio = 0; |
| 729 | |
Hans Verkuil | d56dc61 | 2008-07-30 08:43:36 -0300 | [diff] [blame] | 730 | lock_kernel(); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 731 | list_for_each(list, &cx23885_devlist) { |
| 732 | h = list_entry(list, struct cx23885_dev, devlist); |
| 733 | if (h->video_dev->minor == minor) { |
| 734 | dev = h; |
| 735 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 736 | } |
| 737 | if (h->vbi_dev && |
| 738 | h->vbi_dev->minor == minor) { |
| 739 | dev = h; |
| 740 | type = V4L2_BUF_TYPE_VBI_CAPTURE; |
| 741 | } |
| 742 | if (h->radio_dev && |
| 743 | h->radio_dev->minor == minor) { |
| 744 | radio = 1; |
| 745 | dev = h; |
| 746 | } |
| 747 | } |
Hans Verkuil | d56dc61 | 2008-07-30 08:43:36 -0300 | [diff] [blame] | 748 | if (NULL == dev) { |
| 749 | unlock_kernel(); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 750 | return -ENODEV; |
Hans Verkuil | d56dc61 | 2008-07-30 08:43:36 -0300 | [diff] [blame] | 751 | } |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 752 | |
| 753 | dprintk(1, "open minor=%d radio=%d type=%s\n", |
| 754 | minor, radio, v4l2_type_names[type]); |
| 755 | |
| 756 | /* allocate + initialize per filehandle data */ |
| 757 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); |
Hans Verkuil | d56dc61 | 2008-07-30 08:43:36 -0300 | [diff] [blame] | 758 | if (NULL == fh) { |
| 759 | unlock_kernel(); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 760 | return -ENOMEM; |
Hans Verkuil | d56dc61 | 2008-07-30 08:43:36 -0300 | [diff] [blame] | 761 | } |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 762 | file->private_data = fh; |
| 763 | fh->dev = dev; |
| 764 | fh->radio = radio; |
| 765 | fh->type = type; |
| 766 | fh->width = 320; |
| 767 | fh->height = 240; |
| 768 | fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); |
| 769 | |
Guennadi Liakhovetski | 0705135 | 2008-04-22 14:42:13 -0300 | [diff] [blame] | 770 | videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, |
| 771 | &dev->pci->dev, &dev->slock, |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 772 | V4L2_BUF_TYPE_VIDEO_CAPTURE, |
| 773 | V4L2_FIELD_INTERLACED, |
| 774 | sizeof(struct cx23885_buffer), |
| 775 | fh); |
| 776 | |
| 777 | dprintk(1, "post videobuf_queue_init()\n"); |
| 778 | |
Hans Verkuil | d56dc61 | 2008-07-30 08:43:36 -0300 | [diff] [blame] | 779 | unlock_kernel(); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 780 | |
| 781 | return 0; |
| 782 | } |
| 783 | |
| 784 | static ssize_t video_read(struct file *file, char __user *data, |
| 785 | size_t count, loff_t *ppos) |
| 786 | { |
| 787 | struct cx23885_fh *fh = file->private_data; |
| 788 | |
| 789 | switch (fh->type) { |
| 790 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| 791 | if (res_locked(fh->dev, RESOURCE_VIDEO)) |
| 792 | return -EBUSY; |
| 793 | return videobuf_read_one(&fh->vidq, data, count, ppos, |
| 794 | file->f_flags & O_NONBLOCK); |
| 795 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 796 | if (!res_get(fh->dev, fh, RESOURCE_VBI)) |
| 797 | return -EBUSY; |
| 798 | return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, |
| 799 | file->f_flags & O_NONBLOCK); |
| 800 | default: |
| 801 | BUG(); |
| 802 | return 0; |
| 803 | } |
| 804 | } |
| 805 | |
| 806 | static unsigned int video_poll(struct file *file, |
| 807 | struct poll_table_struct *wait) |
| 808 | { |
| 809 | struct cx23885_fh *fh = file->private_data; |
| 810 | struct cx23885_buffer *buf; |
| 811 | |
| 812 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { |
| 813 | if (!res_get(fh->dev, fh, RESOURCE_VBI)) |
| 814 | return POLLERR; |
| 815 | return videobuf_poll_stream(file, &fh->vbiq, wait); |
| 816 | } |
| 817 | |
| 818 | if (res_check(fh, RESOURCE_VIDEO)) { |
| 819 | /* streaming capture */ |
| 820 | if (list_empty(&fh->vidq.stream)) |
| 821 | return POLLERR; |
| 822 | buf = list_entry(fh->vidq.stream.next, |
| 823 | struct cx23885_buffer, vb.stream); |
| 824 | } else { |
| 825 | /* read() capture */ |
| 826 | buf = (struct cx23885_buffer *)fh->vidq.read_buf; |
| 827 | if (NULL == buf) |
| 828 | return POLLERR; |
| 829 | } |
| 830 | poll_wait(file, &buf->vb.done, wait); |
| 831 | if (buf->vb.state == VIDEOBUF_DONE || |
| 832 | buf->vb.state == VIDEOBUF_ERROR) |
| 833 | return POLLIN|POLLRDNORM; |
| 834 | return 0; |
| 835 | } |
| 836 | |
| 837 | static int video_release(struct inode *inode, struct file *file) |
| 838 | { |
| 839 | struct cx23885_fh *fh = file->private_data; |
| 840 | struct cx23885_dev *dev = fh->dev; |
| 841 | |
| 842 | /* turn off overlay */ |
| 843 | if (res_check(fh, RESOURCE_OVERLAY)) { |
| 844 | /* FIXME */ |
| 845 | res_free(dev, fh, RESOURCE_OVERLAY); |
| 846 | } |
| 847 | |
| 848 | /* stop video capture */ |
| 849 | if (res_check(fh, RESOURCE_VIDEO)) { |
| 850 | videobuf_queue_cancel(&fh->vidq); |
| 851 | res_free(dev, fh, RESOURCE_VIDEO); |
| 852 | } |
| 853 | if (fh->vidq.read_buf) { |
| 854 | buffer_release(&fh->vidq, fh->vidq.read_buf); |
| 855 | kfree(fh->vidq.read_buf); |
| 856 | } |
| 857 | |
| 858 | /* stop vbi capture */ |
| 859 | if (res_check(fh, RESOURCE_VBI)) { |
| 860 | if (fh->vbiq.streaming) |
| 861 | videobuf_streamoff(&fh->vbiq); |
| 862 | if (fh->vbiq.reading) |
| 863 | videobuf_read_stop(&fh->vbiq); |
| 864 | res_free(dev, fh, RESOURCE_VBI); |
| 865 | } |
| 866 | |
| 867 | videobuf_mmap_free(&fh->vidq); |
| 868 | file->private_data = NULL; |
| 869 | kfree(fh); |
| 870 | |
Steven Toth | a19602f2 | 2008-01-10 11:43:18 -0300 | [diff] [blame] | 871 | /* We are not putting the tuner to sleep here on exit, because |
| 872 | * we want to use the mpeg encoder in another session to capture |
| 873 | * tuner video. Closing this will result in no video to the encoder. |
| 874 | */ |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 875 | |
| 876 | return 0; |
| 877 | } |
| 878 | |
| 879 | static int video_mmap(struct file *file, struct vm_area_struct *vma) |
| 880 | { |
| 881 | struct cx23885_fh *fh = file->private_data; |
| 882 | |
| 883 | return videobuf_mmap_mapper(get_queue(fh), vma); |
| 884 | } |
| 885 | |
| 886 | /* ------------------------------------------------------------------ */ |
| 887 | /* VIDEO CTRL IOCTLS */ |
| 888 | |
Steven Toth | 9c8ced5 | 2008-10-16 20:18:44 -0300 | [diff] [blame] | 889 | static int cx23885_get_control(struct cx23885_dev *dev, |
| 890 | struct v4l2_control *ctl) |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 891 | { |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 892 | dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 893 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_G_CTRL, ctl); |
| 894 | return 0; |
| 895 | } |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 896 | |
Steven Toth | 9c8ced5 | 2008-10-16 20:18:44 -0300 | [diff] [blame] | 897 | static int cx23885_set_control(struct cx23885_dev *dev, |
| 898 | struct v4l2_control *ctl) |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 899 | { |
| 900 | dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)" |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 901 | " (disabled - no action)\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 902 | return 0; |
| 903 | } |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 904 | |
| 905 | static void init_controls(struct cx23885_dev *dev) |
| 906 | { |
| 907 | struct v4l2_control ctrl; |
| 908 | int i; |
| 909 | |
| 910 | for (i = 0; i < CX23885_CTLS; i++) { |
| 911 | ctrl.id = cx23885_ctls[i].v.id; |
| 912 | ctrl.value = cx23885_ctls[i].v.default_value; |
| 913 | |
| 914 | cx23885_set_control(dev, &ctrl); |
| 915 | } |
| 916 | } |
| 917 | |
| 918 | /* ------------------------------------------------------------------ */ |
| 919 | /* VIDEO IOCTLS */ |
| 920 | |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 921 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 922 | struct v4l2_format *f) |
| 923 | { |
| 924 | struct cx23885_fh *fh = priv; |
| 925 | |
| 926 | f->fmt.pix.width = fh->width; |
| 927 | f->fmt.pix.height = fh->height; |
| 928 | f->fmt.pix.field = fh->vidq.field; |
| 929 | f->fmt.pix.pixelformat = fh->fmt->fourcc; |
| 930 | f->fmt.pix.bytesperline = |
| 931 | (f->fmt.pix.width * fh->fmt->depth) >> 3; |
| 932 | f->fmt.pix.sizeimage = |
| 933 | f->fmt.pix.height * f->fmt.pix.bytesperline; |
| 934 | |
| 935 | return 0; |
| 936 | } |
| 937 | |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 938 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 939 | struct v4l2_format *f) |
| 940 | { |
| 941 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; |
| 942 | struct cx23885_fmt *fmt; |
| 943 | enum v4l2_field field; |
| 944 | unsigned int maxw, maxh; |
| 945 | |
| 946 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| 947 | if (NULL == fmt) |
| 948 | return -EINVAL; |
| 949 | |
| 950 | field = f->fmt.pix.field; |
| 951 | maxw = norm_maxw(dev->tvnorm); |
| 952 | maxh = norm_maxh(dev->tvnorm); |
| 953 | |
| 954 | if (V4L2_FIELD_ANY == field) { |
| 955 | field = (f->fmt.pix.height > maxh/2) |
| 956 | ? V4L2_FIELD_INTERLACED |
| 957 | : V4L2_FIELD_BOTTOM; |
| 958 | } |
| 959 | |
| 960 | switch (field) { |
| 961 | case V4L2_FIELD_TOP: |
| 962 | case V4L2_FIELD_BOTTOM: |
| 963 | maxh = maxh / 2; |
| 964 | break; |
| 965 | case V4L2_FIELD_INTERLACED: |
| 966 | break; |
| 967 | default: |
| 968 | return -EINVAL; |
| 969 | } |
| 970 | |
| 971 | f->fmt.pix.field = field; |
| 972 | if (f->fmt.pix.height < 32) |
| 973 | f->fmt.pix.height = 32; |
| 974 | if (f->fmt.pix.height > maxh) |
| 975 | f->fmt.pix.height = maxh; |
| 976 | if (f->fmt.pix.width < 48) |
| 977 | f->fmt.pix.width = 48; |
| 978 | if (f->fmt.pix.width > maxw) |
| 979 | f->fmt.pix.width = maxw; |
| 980 | f->fmt.pix.width &= ~0x03; |
| 981 | f->fmt.pix.bytesperline = |
| 982 | (f->fmt.pix.width * fmt->depth) >> 3; |
| 983 | f->fmt.pix.sizeimage = |
| 984 | f->fmt.pix.height * f->fmt.pix.bytesperline; |
| 985 | |
| 986 | return 0; |
| 987 | } |
| 988 | |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 989 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 990 | struct v4l2_format *f) |
| 991 | { |
| 992 | struct cx23885_fh *fh = priv; |
| 993 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; |
| 994 | int err; |
| 995 | |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 996 | dprintk(2, "%s()\n", __func__); |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 997 | err = vidioc_try_fmt_vid_cap(file, priv, f); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 998 | |
| 999 | if (0 != err) |
| 1000 | return err; |
| 1001 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| 1002 | fh->width = f->fmt.pix.width; |
| 1003 | fh->height = f->fmt.pix.height; |
| 1004 | fh->vidq.field = f->fmt.pix.field; |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1005 | dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1006 | fh->width, fh->height, fh->vidq.field); |
| 1007 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_FMT, f); |
| 1008 | return 0; |
| 1009 | } |
| 1010 | |
| 1011 | static int vidioc_querycap(struct file *file, void *priv, |
| 1012 | struct v4l2_capability *cap) |
| 1013 | { |
| 1014 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; |
| 1015 | |
| 1016 | strcpy(cap->driver, "cx23885"); |
| 1017 | strlcpy(cap->card, cx23885_boards[dev->board].name, |
| 1018 | sizeof(cap->card)); |
| 1019 | sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); |
| 1020 | cap->version = CX23885_VERSION_CODE; |
| 1021 | cap->capabilities = |
| 1022 | V4L2_CAP_VIDEO_CAPTURE | |
| 1023 | V4L2_CAP_READWRITE | |
| 1024 | V4L2_CAP_STREAMING | |
| 1025 | V4L2_CAP_VBI_CAPTURE; |
| 1026 | if (UNSET != dev->tuner_type) |
| 1027 | cap->capabilities |= V4L2_CAP_TUNER; |
| 1028 | return 0; |
| 1029 | } |
| 1030 | |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 1031 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1032 | struct v4l2_fmtdesc *f) |
| 1033 | { |
| 1034 | if (unlikely(f->index >= ARRAY_SIZE(formats))) |
| 1035 | return -EINVAL; |
| 1036 | |
| 1037 | strlcpy(f->description, formats[f->index].name, |
| 1038 | sizeof(f->description)); |
| 1039 | f->pixelformat = formats[f->index].fourcc; |
| 1040 | |
| 1041 | return 0; |
| 1042 | } |
| 1043 | |
| 1044 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 1045 | static int vidiocgmbuf(struct file *file, void *priv, |
| 1046 | struct video_mbuf *mbuf) |
| 1047 | { |
| 1048 | struct cx23885_fh *fh = priv; |
| 1049 | struct videobuf_queue *q; |
| 1050 | struct v4l2_requestbuffers req; |
| 1051 | unsigned int i; |
| 1052 | int err; |
| 1053 | |
| 1054 | q = get_queue(fh); |
| 1055 | memset(&req, 0, sizeof(req)); |
| 1056 | req.type = q->type; |
| 1057 | req.count = 8; |
| 1058 | req.memory = V4L2_MEMORY_MMAP; |
| 1059 | err = videobuf_reqbufs(q, &req); |
| 1060 | if (err < 0) |
| 1061 | return err; |
| 1062 | |
| 1063 | mbuf->frames = req.count; |
| 1064 | mbuf->size = 0; |
| 1065 | for (i = 0; i < mbuf->frames; i++) { |
| 1066 | mbuf->offsets[i] = q->bufs[i]->boff; |
| 1067 | mbuf->size += q->bufs[i]->bsize; |
| 1068 | } |
| 1069 | return 0; |
| 1070 | } |
| 1071 | #endif |
| 1072 | |
| 1073 | static int vidioc_reqbufs(struct file *file, void *priv, |
| 1074 | struct v4l2_requestbuffers *p) |
| 1075 | { |
| 1076 | struct cx23885_fh *fh = priv; |
Steven Toth | 9c8ced5 | 2008-10-16 20:18:44 -0300 | [diff] [blame] | 1077 | return videobuf_reqbufs(get_queue(fh), p); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1078 | } |
| 1079 | |
| 1080 | static int vidioc_querybuf(struct file *file, void *priv, |
| 1081 | struct v4l2_buffer *p) |
| 1082 | { |
| 1083 | struct cx23885_fh *fh = priv; |
Steven Toth | 9c8ced5 | 2008-10-16 20:18:44 -0300 | [diff] [blame] | 1084 | return videobuf_querybuf(get_queue(fh), p); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1085 | } |
| 1086 | |
| 1087 | static int vidioc_qbuf(struct file *file, void *priv, |
| 1088 | struct v4l2_buffer *p) |
| 1089 | { |
| 1090 | struct cx23885_fh *fh = priv; |
Steven Toth | 9c8ced5 | 2008-10-16 20:18:44 -0300 | [diff] [blame] | 1091 | return videobuf_qbuf(get_queue(fh), p); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1092 | } |
| 1093 | |
| 1094 | static int vidioc_dqbuf(struct file *file, void *priv, |
| 1095 | struct v4l2_buffer *p) |
| 1096 | { |
| 1097 | struct cx23885_fh *fh = priv; |
Steven Toth | 9c8ced5 | 2008-10-16 20:18:44 -0300 | [diff] [blame] | 1098 | return videobuf_dqbuf(get_queue(fh), p, |
| 1099 | file->f_flags & O_NONBLOCK); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1100 | } |
| 1101 | |
| 1102 | static int vidioc_streamon(struct file *file, void *priv, |
| 1103 | enum v4l2_buf_type i) |
| 1104 | { |
| 1105 | struct cx23885_fh *fh = priv; |
| 1106 | struct cx23885_dev *dev = fh->dev; |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1107 | dprintk(1, "%s()\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1108 | |
| 1109 | if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) |
| 1110 | return -EINVAL; |
| 1111 | if (unlikely(i != fh->type)) |
| 1112 | return -EINVAL; |
| 1113 | |
| 1114 | if (unlikely(!res_get(dev, fh, get_resource(fh)))) |
| 1115 | return -EBUSY; |
| 1116 | return videobuf_streamon(get_queue(fh)); |
| 1117 | } |
| 1118 | |
| 1119 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) |
| 1120 | { |
| 1121 | struct cx23885_fh *fh = priv; |
| 1122 | struct cx23885_dev *dev = fh->dev; |
| 1123 | int err, res; |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1124 | dprintk(1, "%s()\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1125 | |
| 1126 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1127 | return -EINVAL; |
| 1128 | if (i != fh->type) |
| 1129 | return -EINVAL; |
| 1130 | |
| 1131 | res = get_resource(fh); |
| 1132 | err = videobuf_streamoff(get_queue(fh)); |
| 1133 | if (err < 0) |
| 1134 | return err; |
| 1135 | res_free(dev, fh, res); |
| 1136 | return 0; |
| 1137 | } |
| 1138 | |
| 1139 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms) |
| 1140 | { |
| 1141 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1142 | dprintk(1, "%s()\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1143 | |
| 1144 | mutex_lock(&dev->lock); |
| 1145 | cx23885_set_tvnorm(dev, *tvnorms); |
| 1146 | mutex_unlock(&dev->lock); |
| 1147 | |
| 1148 | return 0; |
| 1149 | } |
| 1150 | |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 1151 | static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1152 | { |
| 1153 | static const char *iname[] = { |
| 1154 | [CX23885_VMUX_COMPOSITE1] = "Composite1", |
| 1155 | [CX23885_VMUX_COMPOSITE2] = "Composite2", |
| 1156 | [CX23885_VMUX_COMPOSITE3] = "Composite3", |
| 1157 | [CX23885_VMUX_COMPOSITE4] = "Composite4", |
| 1158 | [CX23885_VMUX_SVIDEO] = "S-Video", |
| 1159 | [CX23885_VMUX_TELEVISION] = "Television", |
| 1160 | [CX23885_VMUX_CABLE] = "Cable TV", |
| 1161 | [CX23885_VMUX_DVB] = "DVB", |
| 1162 | [CX23885_VMUX_DEBUG] = "for debug only", |
| 1163 | }; |
| 1164 | unsigned int n; |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1165 | dprintk(1, "%s()\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1166 | |
| 1167 | n = i->index; |
| 1168 | if (n >= 4) |
| 1169 | return -EINVAL; |
| 1170 | |
| 1171 | if (0 == INPUT(n)->type) |
| 1172 | return -EINVAL; |
| 1173 | |
| 1174 | memset(i, 0, sizeof(*i)); |
| 1175 | i->index = n; |
| 1176 | i->type = V4L2_INPUT_TYPE_CAMERA; |
| 1177 | strcpy(i->name, iname[INPUT(n)->type]); |
| 1178 | if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || |
| 1179 | (CX23885_VMUX_CABLE == INPUT(n)->type)) |
| 1180 | i->type = V4L2_INPUT_TYPE_TUNER; |
| 1181 | i->std = CX23885_NORMS; |
| 1182 | return 0; |
| 1183 | } |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1184 | |
| 1185 | static int vidioc_enum_input(struct file *file, void *priv, |
| 1186 | struct v4l2_input *i) |
| 1187 | { |
| 1188 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1189 | dprintk(1, "%s()\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1190 | return cx23885_enum_input(dev, i); |
| 1191 | } |
| 1192 | |
| 1193 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
| 1194 | { |
| 1195 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; |
| 1196 | |
| 1197 | *i = dev->input; |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1198 | dprintk(1, "%s() returns %d\n", __func__, *i); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1199 | return 0; |
| 1200 | } |
| 1201 | |
| 1202 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) |
| 1203 | { |
| 1204 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; |
| 1205 | |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1206 | dprintk(1, "%s(%d)\n", __func__, i); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1207 | |
| 1208 | if (i >= 4) { |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1209 | dprintk(1, "%s() -EINVAL\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1210 | return -EINVAL; |
| 1211 | } |
| 1212 | |
| 1213 | mutex_lock(&dev->lock); |
| 1214 | cx23885_video_mux(dev, i); |
| 1215 | mutex_unlock(&dev->lock); |
| 1216 | return 0; |
| 1217 | } |
| 1218 | |
| 1219 | static int vidioc_queryctrl(struct file *file, void *priv, |
| 1220 | struct v4l2_queryctrl *qctrl) |
| 1221 | { |
| 1222 | qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); |
| 1223 | if (unlikely(qctrl->id == 0)) |
| 1224 | return -EINVAL; |
| 1225 | return cx23885_ctrl_query(qctrl); |
| 1226 | } |
| 1227 | |
| 1228 | static int vidioc_g_ctrl(struct file *file, void *priv, |
| 1229 | struct v4l2_control *ctl) |
| 1230 | { |
| 1231 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; |
| 1232 | |
| 1233 | return cx23885_get_control(dev, ctl); |
| 1234 | } |
| 1235 | |
| 1236 | static int vidioc_s_ctrl(struct file *file, void *priv, |
| 1237 | struct v4l2_control *ctl) |
| 1238 | { |
| 1239 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; |
| 1240 | |
| 1241 | return cx23885_set_control(dev, ctl); |
| 1242 | } |
| 1243 | |
| 1244 | static int vidioc_g_tuner(struct file *file, void *priv, |
| 1245 | struct v4l2_tuner *t) |
| 1246 | { |
| 1247 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; |
| 1248 | |
| 1249 | if (unlikely(UNSET == dev->tuner_type)) |
| 1250 | return -EINVAL; |
| 1251 | if (0 != t->index) |
| 1252 | return -EINVAL; |
| 1253 | |
| 1254 | strcpy(t->name, "Television"); |
| 1255 | t->type = V4L2_TUNER_ANALOG_TV; |
| 1256 | t->capability = V4L2_TUNER_CAP_NORM; |
| 1257 | t->rangehigh = 0xffffffffUL; |
| 1258 | t->signal = 0xffff ; /* LOCKED */ |
| 1259 | return 0; |
| 1260 | } |
| 1261 | |
| 1262 | static int vidioc_s_tuner(struct file *file, void *priv, |
| 1263 | struct v4l2_tuner *t) |
| 1264 | { |
| 1265 | struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; |
| 1266 | |
| 1267 | if (UNSET == dev->tuner_type) |
| 1268 | return -EINVAL; |
| 1269 | if (0 != t->index) |
| 1270 | return -EINVAL; |
| 1271 | return 0; |
| 1272 | } |
| 1273 | |
| 1274 | static int vidioc_g_frequency(struct file *file, void *priv, |
| 1275 | struct v4l2_frequency *f) |
| 1276 | { |
| 1277 | struct cx23885_fh *fh = priv; |
| 1278 | struct cx23885_dev *dev = fh->dev; |
| 1279 | |
| 1280 | if (unlikely(UNSET == dev->tuner_type)) |
| 1281 | return -EINVAL; |
| 1282 | |
| 1283 | /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ |
| 1284 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
| 1285 | f->frequency = dev->freq; |
| 1286 | |
| 1287 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_G_FREQUENCY, f); |
| 1288 | |
| 1289 | return 0; |
| 1290 | } |
| 1291 | |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 1292 | static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1293 | { |
| 1294 | if (unlikely(UNSET == dev->tuner_type)) |
| 1295 | return -EINVAL; |
| 1296 | if (unlikely(f->tuner != 0)) |
| 1297 | return -EINVAL; |
| 1298 | |
| 1299 | mutex_lock(&dev->lock); |
| 1300 | dev->freq = f->frequency; |
| 1301 | |
| 1302 | cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_FREQUENCY, f); |
| 1303 | |
| 1304 | /* When changing channels it is required to reset TVAUDIO */ |
| 1305 | msleep(10); |
| 1306 | |
| 1307 | mutex_unlock(&dev->lock); |
| 1308 | |
| 1309 | return 0; |
| 1310 | } |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1311 | |
| 1312 | static int vidioc_s_frequency(struct file *file, void *priv, |
| 1313 | struct v4l2_frequency *f) |
| 1314 | { |
| 1315 | struct cx23885_fh *fh = priv; |
| 1316 | struct cx23885_dev *dev = fh->dev; |
| 1317 | |
| 1318 | if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) |
| 1319 | return -EINVAL; |
| 1320 | if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) |
| 1321 | return -EINVAL; |
| 1322 | |
| 1323 | return |
| 1324 | cx23885_set_freq(dev, f); |
| 1325 | } |
| 1326 | |
| 1327 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 1328 | static int vidioc_g_register(struct file *file, void *fh, |
| 1329 | struct v4l2_register *reg) |
| 1330 | { |
| 1331 | struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; |
| 1332 | |
Steven Toth | a19602f2 | 2008-01-10 11:43:18 -0300 | [diff] [blame] | 1333 | if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) |
| 1334 | return -EINVAL; |
| 1335 | |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1336 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_DBG_G_REGISTER, reg); |
| 1337 | |
| 1338 | return 0; |
| 1339 | } |
| 1340 | |
| 1341 | static int vidioc_s_register(struct file *file, void *fh, |
| 1342 | struct v4l2_register *reg) |
| 1343 | { |
| 1344 | struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; |
| 1345 | |
Steven Toth | a19602f2 | 2008-01-10 11:43:18 -0300 | [diff] [blame] | 1346 | if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) |
| 1347 | return -EINVAL; |
| 1348 | |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1349 | cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_DBG_S_REGISTER, reg); |
Steven Toth | a19602f2 | 2008-01-10 11:43:18 -0300 | [diff] [blame] | 1350 | |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1351 | return 0; |
| 1352 | } |
| 1353 | #endif |
| 1354 | |
| 1355 | /* ----------------------------------------------------------- */ |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1356 | |
| 1357 | static void cx23885_vid_timeout(unsigned long data) |
| 1358 | { |
| 1359 | struct cx23885_dev *dev = (struct cx23885_dev *)data; |
| 1360 | struct cx23885_dmaqueue *q = &dev->vidq; |
| 1361 | struct cx23885_buffer *buf; |
| 1362 | unsigned long flags; |
| 1363 | |
| 1364 | cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); |
| 1365 | |
| 1366 | cx_clear(VID_A_DMA_CTL, 0x11); |
| 1367 | |
| 1368 | spin_lock_irqsave(&dev->slock, flags); |
| 1369 | while (!list_empty(&q->active)) { |
| 1370 | buf = list_entry(q->active.next, |
| 1371 | struct cx23885_buffer, vb.queue); |
| 1372 | list_del(&buf->vb.queue); |
| 1373 | buf->vb.state = VIDEOBUF_ERROR; |
| 1374 | wake_up(&buf->vb.done); |
| 1375 | printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n", |
| 1376 | dev->name, buf, buf->vb.i, |
| 1377 | (unsigned long)buf->risc.dma); |
| 1378 | } |
| 1379 | cx23885_restart_video_queue(dev, q); |
| 1380 | spin_unlock_irqrestore(&dev->slock, flags); |
| 1381 | } |
| 1382 | |
| 1383 | int cx23885_video_irq(struct cx23885_dev *dev, u32 status) |
| 1384 | { |
| 1385 | u32 mask, count; |
| 1386 | int handled = 0; |
| 1387 | |
| 1388 | mask = cx_read(VID_A_INT_MSK); |
| 1389 | if (0 == (status & mask)) |
| 1390 | return handled; |
| 1391 | cx_write(VID_A_INT_STAT, status); |
| 1392 | |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1393 | dprintk(2, "%s() status = 0x%08x\n", __func__, status); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1394 | /* risc op code error */ |
| 1395 | if (status & (1 << 16)) { |
| 1396 | printk(KERN_WARNING "%s/0: video risc op code error\n", |
| 1397 | dev->name); |
| 1398 | cx_clear(VID_A_DMA_CTL, 0x11); |
| 1399 | cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); |
| 1400 | } |
| 1401 | |
| 1402 | /* risc1 y */ |
| 1403 | if (status & 0x01) { |
| 1404 | spin_lock(&dev->slock); |
| 1405 | count = cx_read(VID_A_GPCNT); |
| 1406 | cx23885_video_wakeup(dev, &dev->vidq, count); |
| 1407 | spin_unlock(&dev->slock); |
| 1408 | handled++; |
| 1409 | } |
| 1410 | /* risc2 y */ |
| 1411 | if (status & 0x10) { |
| 1412 | dprintk(2, "stopper video\n"); |
| 1413 | spin_lock(&dev->slock); |
| 1414 | cx23885_restart_video_queue(dev, &dev->vidq); |
| 1415 | spin_unlock(&dev->slock); |
| 1416 | handled++; |
| 1417 | } |
| 1418 | |
| 1419 | return handled; |
| 1420 | } |
| 1421 | |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1422 | /* ----------------------------------------------------------- */ |
| 1423 | /* exported stuff */ |
| 1424 | |
| 1425 | static const struct file_operations video_fops = { |
| 1426 | .owner = THIS_MODULE, |
| 1427 | .open = video_open, |
| 1428 | .release = video_release, |
| 1429 | .read = video_read, |
| 1430 | .poll = video_poll, |
| 1431 | .mmap = video_mmap, |
| 1432 | .ioctl = video_ioctl2, |
| 1433 | .compat_ioctl = v4l_compat_ioctl32, |
| 1434 | .llseek = no_llseek, |
| 1435 | }; |
| 1436 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1437 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1438 | .vidioc_querycap = vidioc_querycap, |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 1439 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
| 1440 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, |
| 1441 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, |
| 1442 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, |
| 1443 | .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, |
| 1444 | .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, |
| 1445 | .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1446 | .vidioc_reqbufs = vidioc_reqbufs, |
| 1447 | .vidioc_querybuf = vidioc_querybuf, |
| 1448 | .vidioc_qbuf = vidioc_qbuf, |
| 1449 | .vidioc_dqbuf = vidioc_dqbuf, |
| 1450 | .vidioc_s_std = vidioc_s_std, |
| 1451 | .vidioc_enum_input = vidioc_enum_input, |
| 1452 | .vidioc_g_input = vidioc_g_input, |
| 1453 | .vidioc_s_input = vidioc_s_input, |
| 1454 | .vidioc_queryctrl = vidioc_queryctrl, |
| 1455 | .vidioc_g_ctrl = vidioc_g_ctrl, |
| 1456 | .vidioc_s_ctrl = vidioc_s_ctrl, |
| 1457 | .vidioc_streamon = vidioc_streamon, |
| 1458 | .vidioc_streamoff = vidioc_streamoff, |
| 1459 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 1460 | .vidiocgmbuf = vidiocgmbuf, |
| 1461 | #endif |
| 1462 | .vidioc_g_tuner = vidioc_g_tuner, |
| 1463 | .vidioc_s_tuner = vidioc_s_tuner, |
| 1464 | .vidioc_g_frequency = vidioc_g_frequency, |
| 1465 | .vidioc_s_frequency = vidioc_s_frequency, |
| 1466 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 1467 | .vidioc_g_register = vidioc_g_register, |
| 1468 | .vidioc_s_register = vidioc_s_register, |
| 1469 | #endif |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1470 | }; |
| 1471 | |
| 1472 | static struct video_device cx23885_vbi_template; |
| 1473 | static struct video_device cx23885_video_template = { |
| 1474 | .name = "cx23885-video", |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1475 | .fops = &video_fops, |
| 1476 | .minor = -1, |
| 1477 | .ioctl_ops = &video_ioctl_ops, |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1478 | .tvnorms = CX23885_NORMS, |
| 1479 | .current_norm = V4L2_STD_NTSC_M, |
| 1480 | }; |
| 1481 | |
| 1482 | static const struct file_operations radio_fops = { |
| 1483 | .owner = THIS_MODULE, |
| 1484 | .open = video_open, |
| 1485 | .release = video_release, |
| 1486 | .ioctl = video_ioctl2, |
| 1487 | .compat_ioctl = v4l_compat_ioctl32, |
| 1488 | .llseek = no_llseek, |
| 1489 | }; |
| 1490 | |
| 1491 | |
| 1492 | void cx23885_video_unregister(struct cx23885_dev *dev) |
| 1493 | { |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1494 | dprintk(1, "%s()\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1495 | cx_clear(PCI_INT_MSK, 1); |
| 1496 | |
| 1497 | if (dev->video_dev) { |
| 1498 | if (-1 != dev->video_dev->minor) |
| 1499 | video_unregister_device(dev->video_dev); |
| 1500 | else |
| 1501 | video_device_release(dev->video_dev); |
| 1502 | dev->video_dev = NULL; |
| 1503 | |
| 1504 | btcx_riscmem_free(dev->pci, &dev->vidq.stopper); |
| 1505 | } |
| 1506 | } |
| 1507 | |
| 1508 | int cx23885_video_register(struct cx23885_dev *dev) |
| 1509 | { |
| 1510 | int err; |
| 1511 | |
Harvey Harrison | 22b4e64 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1512 | dprintk(1, "%s()\n", __func__); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1513 | spin_lock_init(&dev->slock); |
| 1514 | |
| 1515 | /* Initialize VBI template */ |
| 1516 | memcpy(&cx23885_vbi_template, &cx23885_video_template, |
| 1517 | sizeof(cx23885_vbi_template)); |
| 1518 | strcpy(cx23885_vbi_template.name, "cx23885-vbi"); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1519 | |
| 1520 | dev->tvnorm = cx23885_video_template.current_norm; |
| 1521 | |
| 1522 | /* init video dma queues */ |
| 1523 | INIT_LIST_HEAD(&dev->vidq.active); |
| 1524 | INIT_LIST_HEAD(&dev->vidq.queued); |
| 1525 | dev->vidq.timeout.function = cx23885_vid_timeout; |
| 1526 | dev->vidq.timeout.data = (unsigned long)dev; |
| 1527 | init_timer(&dev->vidq.timeout); |
| 1528 | cx23885_risc_stopper(dev->pci, &dev->vidq.stopper, |
| 1529 | VID_A_DMA_CTL, 0x11, 0x00); |
| 1530 | |
Steven Toth | a19602f2 | 2008-01-10 11:43:18 -0300 | [diff] [blame] | 1531 | /* Don't enable VBI yet */ |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1532 | cx_set(PCI_INT_MSK, 1); |
| 1533 | |
| 1534 | |
| 1535 | /* register v4l devices */ |
| 1536 | dev->video_dev = cx23885_vdev_init(dev, dev->pci, |
| 1537 | &cx23885_video_template, "video"); |
| 1538 | err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, |
| 1539 | video_nr[dev->nr]); |
| 1540 | if (err < 0) { |
| 1541 | printk(KERN_INFO "%s: can't register video device\n", |
| 1542 | dev->name); |
| 1543 | goto fail_unreg; |
| 1544 | } |
| 1545 | printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n", |
Hans Verkuil | c6330fb | 2008-10-19 18:54:26 -0300 | [diff] [blame] | 1546 | dev->name, dev->video_dev->num); |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1547 | /* initial device configuration */ |
| 1548 | mutex_lock(&dev->lock); |
| 1549 | cx23885_set_tvnorm(dev, dev->tvnorm); |
| 1550 | init_controls(dev); |
| 1551 | cx23885_video_mux(dev, 0); |
| 1552 | mutex_unlock(&dev->lock); |
| 1553 | |
Steven Toth | e47f30b | 2008-01-10 04:25:59 -0300 | [diff] [blame] | 1554 | return 0; |
| 1555 | |
| 1556 | fail_unreg: |
| 1557 | cx23885_video_unregister(dev); |
| 1558 | return err; |
| 1559 | } |
| 1560 | |