Steven Toth | 9b8b019 | 2010-07-31 14:39:44 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Driver for the NXP SAA7164 PCIe bridge |
| 3 | * |
Steven Toth | 63a412e | 2015-03-23 16:08:15 -0300 | [diff] [blame] | 4 | * Copyright (c) 2010-2015 Steven Toth <stoth@kernellabs.com> |
Steven Toth | 9b8b019 | 2010-07-31 14:39:44 -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 "saa7164.h" |
| 23 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 24 | #define ENCODER_MAX_BITRATE 6500000 |
| 25 | #define ENCODER_MIN_BITRATE 1000000 |
| 26 | #define ENCODER_DEF_BITRATE 5000000 |
| 27 | |
Hans Verkuil | 031d229 | 2015-08-28 08:48:30 -0300 | [diff] [blame] | 28 | /* |
| 29 | * This is a dummy non-zero value for the sizeimage field of v4l2_pix_format. |
| 30 | * It is not actually used for anything since this driver does not support |
| 31 | * stream I/O, only read(), and because this driver produces an MPEG stream |
| 32 | * and not discrete frames. But the V4L2 spec doesn't allow for this value |
| 33 | * to be 0, so set it to 0x10000 instead. |
| 34 | * |
| 35 | * If we ever change this driver to support stream I/O, then this field |
| 36 | * will be the size of the streaming buffers. |
| 37 | */ |
| 38 | #define SAA7164_SIZEIMAGE (0x10000) |
| 39 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 40 | static struct saa7164_tvnorm saa7164_tvnorms[] = { |
| 41 | { |
| 42 | .name = "NTSC-M", |
| 43 | .id = V4L2_STD_NTSC_M, |
| 44 | }, { |
| 45 | .name = "NTSC-JP", |
| 46 | .id = V4L2_STD_NTSC_M_JP, |
| 47 | } |
| 48 | }; |
| 49 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 50 | /* Take the encoder configuration form the port struct and |
| 51 | * flush it to the hardware. |
| 52 | */ |
| 53 | static void saa7164_encoder_configure(struct saa7164_port *port) |
| 54 | { |
| 55 | struct saa7164_dev *dev = port->dev; |
| 56 | dprintk(DBGLVL_ENC, "%s()\n", __func__); |
| 57 | |
| 58 | port->encoder_params.width = port->width; |
| 59 | port->encoder_params.height = port->height; |
| 60 | port->encoder_params.is_50hz = |
| 61 | (port->encodernorm.id & V4L2_STD_625_50) != 0; |
| 62 | |
| 63 | /* Set up the DIF (enable it) for analog mode by default */ |
| 64 | saa7164_api_initialize_dif(port); |
| 65 | |
| 66 | /* Configure the correct video standard */ |
| 67 | saa7164_api_configure_dif(port, port->encodernorm.id); |
| 68 | |
| 69 | /* Ensure the audio decoder is correct configured */ |
| 70 | saa7164_api_set_audio_std(port); |
| 71 | } |
| 72 | |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 73 | static int saa7164_encoder_buffers_dealloc(struct saa7164_port *port) |
| 74 | { |
| 75 | struct list_head *c, *n, *p, *q, *l, *v; |
| 76 | struct saa7164_dev *dev = port->dev; |
| 77 | struct saa7164_buffer *buf; |
| 78 | struct saa7164_user_buffer *ubuf; |
| 79 | |
| 80 | /* Remove any allocated buffers */ |
| 81 | mutex_lock(&port->dmaqueue_lock); |
| 82 | |
| 83 | dprintk(DBGLVL_ENC, "%s(port=%d) dmaqueue\n", __func__, port->nr); |
| 84 | list_for_each_safe(c, n, &port->dmaqueue.list) { |
| 85 | buf = list_entry(c, struct saa7164_buffer, list); |
| 86 | list_del(c); |
| 87 | saa7164_buffer_dealloc(buf); |
| 88 | } |
| 89 | |
| 90 | dprintk(DBGLVL_ENC, "%s(port=%d) used\n", __func__, port->nr); |
| 91 | list_for_each_safe(p, q, &port->list_buf_used.list) { |
| 92 | ubuf = list_entry(p, struct saa7164_user_buffer, list); |
| 93 | list_del(p); |
| 94 | saa7164_buffer_dealloc_user(ubuf); |
| 95 | } |
| 96 | |
| 97 | dprintk(DBGLVL_ENC, "%s(port=%d) free\n", __func__, port->nr); |
| 98 | list_for_each_safe(l, v, &port->list_buf_free.list) { |
| 99 | ubuf = list_entry(l, struct saa7164_user_buffer, list); |
| 100 | list_del(l); |
| 101 | saa7164_buffer_dealloc_user(ubuf); |
| 102 | } |
| 103 | |
| 104 | mutex_unlock(&port->dmaqueue_lock); |
| 105 | dprintk(DBGLVL_ENC, "%s(port=%d) done\n", __func__, port->nr); |
| 106 | |
| 107 | return 0; |
| 108 | } |
| 109 | |
| 110 | /* Dynamic buffer switch at encoder start time */ |
| 111 | static int saa7164_encoder_buffers_alloc(struct saa7164_port *port) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 112 | { |
| 113 | struct saa7164_dev *dev = port->dev; |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 114 | struct saa7164_buffer *buf; |
| 115 | struct saa7164_user_buffer *ubuf; |
Mauro Carvalho Chehab | 4d270cf | 2010-10-11 17:17:45 -0300 | [diff] [blame] | 116 | struct tmHWStreamParameters *params = &port->hw_streamingparams; |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 117 | int result = -ENODEV, i; |
| 118 | int len = 0; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 119 | |
| 120 | dprintk(DBGLVL_ENC, "%s()\n", __func__); |
| 121 | |
Steven Toth | bc25068 | 2010-11-12 18:32:36 -0300 | [diff] [blame] | 122 | if (port->encoder_params.stream_type == |
| 123 | V4L2_MPEG_STREAM_TYPE_MPEG2_PS) { |
| 124 | dprintk(DBGLVL_ENC, |
| 125 | "%s() type=V4L2_MPEG_STREAM_TYPE_MPEG2_PS\n", |
| 126 | __func__); |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 127 | params->samplesperline = 128; |
| 128 | params->numberoflines = 256; |
| 129 | params->pitch = 128; |
| 130 | params->numpagetables = 2 + |
| 131 | ((SAA7164_PS_NUMBER_OF_LINES * 128) / PAGE_SIZE); |
| 132 | } else |
Steven Toth | bc25068 | 2010-11-12 18:32:36 -0300 | [diff] [blame] | 133 | if (port->encoder_params.stream_type == |
| 134 | V4L2_MPEG_STREAM_TYPE_MPEG2_TS) { |
| 135 | dprintk(DBGLVL_ENC, |
| 136 | "%s() type=V4L2_MPEG_STREAM_TYPE_MPEG2_TS\n", |
| 137 | __func__); |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 138 | params->samplesperline = 188; |
| 139 | params->numberoflines = 312; |
| 140 | params->pitch = 188; |
| 141 | params->numpagetables = 2 + |
| 142 | ((SAA7164_TS_NUMBER_OF_LINES * 188) / PAGE_SIZE); |
| 143 | } else |
| 144 | BUG(); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 145 | |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 146 | /* Init and establish defaults */ |
| 147 | params->bitspersample = 8; |
| 148 | params->linethreshold = 0; |
Peter Huewe | 61ca1500 | 2011-01-30 16:33:01 -0300 | [diff] [blame] | 149 | params->pagetablelistvirt = NULL; |
| 150 | params->pagetablelistphys = NULL; |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 151 | params->numpagetableentries = port->hwcfg.buffercount; |
| 152 | |
| 153 | /* Allocate the PCI resources, buffers (hard) */ |
| 154 | for (i = 0; i < port->hwcfg.buffercount; i++) { |
| 155 | buf = saa7164_buffer_alloc(port, |
| 156 | params->numberoflines * |
| 157 | params->pitch); |
| 158 | |
| 159 | if (!buf) { |
| 160 | printk(KERN_ERR "%s() failed " |
| 161 | "(errno = %d), unable to allocate buffer\n", |
| 162 | __func__, result); |
| 163 | result = -ENOMEM; |
| 164 | goto failed; |
| 165 | } else { |
| 166 | |
| 167 | mutex_lock(&port->dmaqueue_lock); |
| 168 | list_add_tail(&buf->list, &port->dmaqueue.list); |
| 169 | mutex_unlock(&port->dmaqueue_lock); |
| 170 | |
| 171 | } |
| 172 | } |
| 173 | |
Justin P. Mattock | 70f23fd | 2011-05-10 10:16:21 +0200 | [diff] [blame] | 174 | /* Allocate some kernel buffers for copying |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 175 | * to userpsace. |
| 176 | */ |
| 177 | len = params->numberoflines * params->pitch; |
| 178 | |
| 179 | if (encoder_buffers < 16) |
| 180 | encoder_buffers = 16; |
| 181 | if (encoder_buffers > 512) |
| 182 | encoder_buffers = 512; |
| 183 | |
| 184 | for (i = 0; i < encoder_buffers; i++) { |
| 185 | |
| 186 | ubuf = saa7164_buffer_alloc_user(dev, len); |
| 187 | if (ubuf) { |
| 188 | mutex_lock(&port->dmaqueue_lock); |
| 189 | list_add_tail(&ubuf->list, &port->list_buf_free.list); |
| 190 | mutex_unlock(&port->dmaqueue_lock); |
| 191 | } |
| 192 | |
| 193 | } |
| 194 | |
| 195 | result = 0; |
| 196 | |
| 197 | failed: |
| 198 | return result; |
| 199 | } |
| 200 | |
| 201 | static int saa7164_encoder_initialize(struct saa7164_port *port) |
| 202 | { |
| 203 | saa7164_encoder_configure(port); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 204 | return 0; |
| 205 | } |
| 206 | |
| 207 | /* -- V4L2 --------------------------------------------------------- */ |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 208 | int saa7164_s_std(struct saa7164_port *port, v4l2_std_id id) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 209 | { |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 210 | struct saa7164_dev *dev = port->dev; |
| 211 | unsigned int i; |
| 212 | |
Hans Verkuil | 314527acb | 2013-03-15 06:10:40 -0300 | [diff] [blame] | 213 | dprintk(DBGLVL_ENC, "%s(id=0x%x)\n", __func__, (u32)id); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 214 | |
| 215 | for (i = 0; i < ARRAY_SIZE(saa7164_tvnorms); i++) { |
Hans Verkuil | 314527acb | 2013-03-15 06:10:40 -0300 | [diff] [blame] | 216 | if (id & saa7164_tvnorms[i].id) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 217 | break; |
| 218 | } |
| 219 | if (i == ARRAY_SIZE(saa7164_tvnorms)) |
| 220 | return -EINVAL; |
| 221 | |
| 222 | port->encodernorm = saa7164_tvnorms[i]; |
Hans Verkuil | 8d2d41e | 2013-06-03 05:36:45 -0300 | [diff] [blame] | 223 | port->std = id; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 224 | |
| 225 | /* Update the audio decoder while is not running in |
| 226 | * auto detect mode. |
| 227 | */ |
| 228 | saa7164_api_set_audio_std(port); |
| 229 | |
Hans Verkuil | 314527acb | 2013-03-15 06:10:40 -0300 | [diff] [blame] | 230 | dprintk(DBGLVL_ENC, "%s(id=0x%x) OK\n", __func__, (u32)id); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 231 | |
| 232 | return 0; |
| 233 | } |
| 234 | |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 235 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id) |
Hans Verkuil | 8d2d41e | 2013-06-03 05:36:45 -0300 | [diff] [blame] | 236 | { |
| 237 | struct saa7164_encoder_fh *fh = file->private_data; |
Hans Verkuil | 8d2d41e | 2013-06-03 05:36:45 -0300 | [diff] [blame] | 238 | |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 239 | return saa7164_s_std(fh->port, id); |
| 240 | } |
| 241 | |
| 242 | int saa7164_g_std(struct saa7164_port *port, v4l2_std_id *id) |
| 243 | { |
Hans Verkuil | 8d2d41e | 2013-06-03 05:36:45 -0300 | [diff] [blame] | 244 | *id = port->std; |
| 245 | return 0; |
| 246 | } |
| 247 | |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 248 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) |
| 249 | { |
| 250 | struct saa7164_encoder_fh *fh = file->private_data; |
| 251 | |
| 252 | return saa7164_g_std(fh->port, id); |
| 253 | } |
| 254 | |
| 255 | int saa7164_enum_input(struct file *file, void *priv, struct v4l2_input *i) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 256 | { |
Hans Verkuil | 6b99612 | 2015-08-28 08:48:32 -0300 | [diff] [blame] | 257 | static const char * const inputs[] = { |
| 258 | "tuner", "composite", "svideo", "aux", |
| 259 | "composite 2", "svideo 2", "aux 2" |
| 260 | }; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 261 | int n; |
| 262 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 263 | if (i->index >= 7) |
| 264 | return -EINVAL; |
| 265 | |
Mauro Carvalho Chehab | c7e242ba | 2010-10-11 17:39:06 -0300 | [diff] [blame] | 266 | strcpy(i->name, inputs[i->index]); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 267 | |
| 268 | if (i->index == 0) |
| 269 | i->type = V4L2_INPUT_TYPE_TUNER; |
| 270 | else |
| 271 | i->type = V4L2_INPUT_TYPE_CAMERA; |
| 272 | |
| 273 | for (n = 0; n < ARRAY_SIZE(saa7164_tvnorms); n++) |
| 274 | i->std |= saa7164_tvnorms[n].id; |
| 275 | |
| 276 | return 0; |
| 277 | } |
| 278 | |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 279 | int saa7164_g_input(struct saa7164_port *port, unsigned int *i) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 280 | { |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 281 | struct saa7164_dev *dev = port->dev; |
| 282 | |
| 283 | if (saa7164_api_get_videomux(port) != SAA_OK) |
| 284 | return -EIO; |
| 285 | |
| 286 | *i = (port->mux_input - 1); |
| 287 | |
| 288 | dprintk(DBGLVL_ENC, "%s() input=%d\n", __func__, *i); |
| 289 | |
| 290 | return 0; |
| 291 | } |
| 292 | |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 293 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 294 | { |
Steven Toth | 96d8420 | 2010-07-31 16:04:59 -0300 | [diff] [blame] | 295 | struct saa7164_encoder_fh *fh = file->private_data; |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 296 | |
| 297 | return saa7164_g_input(fh->port, i); |
| 298 | } |
| 299 | |
| 300 | int saa7164_s_input(struct saa7164_port *port, unsigned int i) |
| 301 | { |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 302 | struct saa7164_dev *dev = port->dev; |
| 303 | |
| 304 | dprintk(DBGLVL_ENC, "%s() input=%d\n", __func__, i); |
| 305 | |
| 306 | if (i >= 7) |
| 307 | return -EINVAL; |
| 308 | |
| 309 | port->mux_input = i + 1; |
| 310 | |
| 311 | if (saa7164_api_set_videomux(port) != SAA_OK) |
| 312 | return -EIO; |
| 313 | |
| 314 | return 0; |
| 315 | } |
| 316 | |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 317 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) |
| 318 | { |
| 319 | struct saa7164_encoder_fh *fh = file->private_data; |
| 320 | |
| 321 | return saa7164_s_input(fh->port, i); |
| 322 | } |
| 323 | |
| 324 | int saa7164_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 325 | { |
Steven Toth | 96d8420 | 2010-07-31 16:04:59 -0300 | [diff] [blame] | 326 | struct saa7164_encoder_fh *fh = file->private_data; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 327 | struct saa7164_port *port = fh->port; |
| 328 | struct saa7164_dev *dev = port->dev; |
| 329 | |
| 330 | if (0 != t->index) |
| 331 | return -EINVAL; |
| 332 | |
| 333 | strcpy(t->name, "tuner"); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 334 | t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO; |
Hans Verkuil | 6b99612 | 2015-08-28 08:48:32 -0300 | [diff] [blame] | 335 | t->rangelow = SAA7164_TV_MIN_FREQ; |
| 336 | t->rangehigh = SAA7164_TV_MAX_FREQ; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 337 | |
| 338 | dprintk(DBGLVL_ENC, "VIDIOC_G_TUNER: tuner type %d\n", t->type); |
| 339 | |
| 340 | return 0; |
| 341 | } |
| 342 | |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 343 | int saa7164_s_tuner(struct file *file, void *priv, |
| 344 | const struct v4l2_tuner *t) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 345 | { |
Hans Verkuil | 6b99612 | 2015-08-28 08:48:32 -0300 | [diff] [blame] | 346 | if (0 != t->index) |
| 347 | return -EINVAL; |
| 348 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 349 | /* Update the A/V core */ |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 350 | return 0; |
| 351 | } |
| 352 | |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 353 | int saa7164_g_frequency(struct saa7164_port *port, struct v4l2_frequency *f) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 354 | { |
Hans Verkuil | 6b99612 | 2015-08-28 08:48:32 -0300 | [diff] [blame] | 355 | if (f->tuner) |
| 356 | return -EINVAL; |
| 357 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 358 | f->frequency = port->freq; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 359 | return 0; |
| 360 | } |
| 361 | |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 362 | static int vidioc_g_frequency(struct file *file, void *priv, |
| 363 | struct v4l2_frequency *f) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 364 | { |
Steven Toth | 96d8420 | 2010-07-31 16:04:59 -0300 | [diff] [blame] | 365 | struct saa7164_encoder_fh *fh = file->private_data; |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 366 | |
| 367 | return saa7164_g_frequency(fh->port, f); |
| 368 | } |
| 369 | |
| 370 | int saa7164_s_frequency(struct saa7164_port *port, |
| 371 | const struct v4l2_frequency *f) |
| 372 | { |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 373 | struct saa7164_dev *dev = port->dev; |
| 374 | struct saa7164_port *tsport; |
| 375 | struct dvb_frontend *fe; |
| 376 | |
| 377 | /* TODO: Pull this for the std */ |
| 378 | struct analog_parameters params = { |
| 379 | .mode = V4L2_TUNER_ANALOG_TV, |
| 380 | .audmode = V4L2_TUNER_MODE_STEREO, |
| 381 | .std = port->encodernorm.id, |
| 382 | .frequency = f->frequency |
| 383 | }; |
| 384 | |
| 385 | /* Stop the encoder */ |
| 386 | dprintk(DBGLVL_ENC, "%s() frequency=%d tuner=%d\n", __func__, |
| 387 | f->frequency, f->tuner); |
| 388 | |
| 389 | if (f->tuner != 0) |
| 390 | return -EINVAL; |
| 391 | |
Hans Verkuil | 6b99612 | 2015-08-28 08:48:32 -0300 | [diff] [blame] | 392 | port->freq = clamp(f->frequency, |
| 393 | SAA7164_TV_MIN_FREQ, SAA7164_TV_MAX_FREQ); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 394 | |
| 395 | /* Update the hardware */ |
| 396 | if (port->nr == SAA7164_PORT_ENC1) |
Mauro Carvalho Chehab | c7e242ba | 2010-10-11 17:39:06 -0300 | [diff] [blame] | 397 | tsport = &dev->ports[SAA7164_PORT_TS1]; |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 398 | else if (port->nr == SAA7164_PORT_ENC2) |
Mauro Carvalho Chehab | c7e242ba | 2010-10-11 17:39:06 -0300 | [diff] [blame] | 399 | tsport = &dev->ports[SAA7164_PORT_TS2]; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 400 | else |
| 401 | BUG(); |
| 402 | |
| 403 | fe = tsport->dvb.frontend; |
| 404 | |
| 405 | if (fe && fe->ops.tuner_ops.set_analog_params) |
| 406 | fe->ops.tuner_ops.set_analog_params(fe, ¶ms); |
| 407 | else |
| 408 | printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__); |
| 409 | |
| 410 | saa7164_encoder_initialize(port); |
| 411 | |
| 412 | return 0; |
| 413 | } |
| 414 | |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 415 | static int vidioc_s_frequency(struct file *file, void *priv, |
| 416 | const struct v4l2_frequency *f) |
| 417 | { |
| 418 | struct saa7164_encoder_fh *fh = file->private_data; |
| 419 | |
| 420 | return saa7164_s_frequency(fh->port, f); |
| 421 | } |
| 422 | |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 423 | static int saa7164_s_ctrl(struct v4l2_ctrl *ctrl) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 424 | { |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 425 | struct saa7164_port *port = |
| 426 | container_of(ctrl->handler, struct saa7164_port, ctrl_handler); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 427 | struct saa7164_encoder_params *params = &port->encoder_params; |
| 428 | int ret = 0; |
| 429 | |
| 430 | switch (ctrl->id) { |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 431 | case V4L2_CID_BRIGHTNESS: |
| 432 | port->ctl_brightness = ctrl->val; |
| 433 | saa7164_api_set_usercontrol(port, PU_BRIGHTNESS_CONTROL); |
| 434 | break; |
| 435 | case V4L2_CID_CONTRAST: |
| 436 | port->ctl_contrast = ctrl->val; |
| 437 | saa7164_api_set_usercontrol(port, PU_CONTRAST_CONTROL); |
| 438 | break; |
| 439 | case V4L2_CID_SATURATION: |
| 440 | port->ctl_saturation = ctrl->val; |
| 441 | saa7164_api_set_usercontrol(port, PU_SATURATION_CONTROL); |
| 442 | break; |
| 443 | case V4L2_CID_HUE: |
| 444 | port->ctl_hue = ctrl->val; |
| 445 | saa7164_api_set_usercontrol(port, PU_HUE_CONTROL); |
| 446 | break; |
| 447 | case V4L2_CID_SHARPNESS: |
| 448 | port->ctl_sharpness = ctrl->val; |
| 449 | saa7164_api_set_usercontrol(port, PU_SHARPNESS_CONTROL); |
| 450 | break; |
| 451 | case V4L2_CID_AUDIO_VOLUME: |
| 452 | port->ctl_volume = ctrl->val; |
| 453 | saa7164_api_set_audio_volume(port, port->ctl_volume); |
| 454 | break; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 455 | case V4L2_CID_MPEG_VIDEO_BITRATE: |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 456 | params->bitrate = ctrl->val; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 457 | break; |
| 458 | case V4L2_CID_MPEG_STREAM_TYPE: |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 459 | params->stream_type = ctrl->val; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 460 | break; |
| 461 | case V4L2_CID_MPEG_AUDIO_MUTE: |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 462 | params->ctl_mute = ctrl->val; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 463 | ret = saa7164_api_audio_mute(port, params->ctl_mute); |
| 464 | if (ret != SAA_OK) { |
| 465 | printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, |
| 466 | ret); |
| 467 | ret = -EIO; |
| 468 | } |
| 469 | break; |
| 470 | case V4L2_CID_MPEG_VIDEO_ASPECT: |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 471 | params->ctl_aspect = ctrl->val; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 472 | ret = saa7164_api_set_aspect_ratio(port); |
| 473 | if (ret != SAA_OK) { |
| 474 | printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, |
| 475 | ret); |
| 476 | ret = -EIO; |
| 477 | } |
| 478 | break; |
Steven Toth | 2600d71 | 2010-07-31 14:51:30 -0300 | [diff] [blame] | 479 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 480 | params->bitrate_mode = ctrl->val; |
Steven Toth | 2600d71 | 2010-07-31 14:51:30 -0300 | [diff] [blame] | 481 | break; |
Steven Toth | 3ed43cf | 2010-07-31 14:58:35 -0300 | [diff] [blame] | 482 | case V4L2_CID_MPEG_VIDEO_B_FRAMES: |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 483 | params->refdist = ctrl->val; |
Steven Toth | 3ed43cf | 2010-07-31 14:58:35 -0300 | [diff] [blame] | 484 | break; |
Steven Toth | 968b11b | 2010-07-31 14:59:38 -0300 | [diff] [blame] | 485 | case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 486 | params->bitrate_peak = ctrl->val; |
Steven Toth | 968b11b | 2010-07-31 14:59:38 -0300 | [diff] [blame] | 487 | break; |
Steven Toth | 5fa56cc | 2010-07-31 15:05:35 -0300 | [diff] [blame] | 488 | case V4L2_CID_MPEG_VIDEO_GOP_SIZE: |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 489 | params->gop_size = ctrl->val; |
Steven Toth | 5fa56cc | 2010-07-31 15:05:35 -0300 | [diff] [blame] | 490 | break; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 491 | default: |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 492 | ret = -EINVAL; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 493 | } |
| 494 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 495 | return ret; |
| 496 | } |
| 497 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 498 | static int vidioc_querycap(struct file *file, void *priv, |
| 499 | struct v4l2_capability *cap) |
| 500 | { |
Steven Toth | 96d8420 | 2010-07-31 16:04:59 -0300 | [diff] [blame] | 501 | struct saa7164_encoder_fh *fh = file->private_data; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 502 | struct saa7164_port *port = fh->port; |
| 503 | struct saa7164_dev *dev = port->dev; |
| 504 | |
| 505 | strcpy(cap->driver, dev->name); |
| 506 | strlcpy(cap->card, saa7164_boards[dev->board].name, |
| 507 | sizeof(cap->card)); |
| 508 | sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); |
| 509 | |
Hans Verkuil | 534bc3e | 2015-03-27 15:17:56 -0300 | [diff] [blame] | 510 | cap->device_caps = |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 511 | V4L2_CAP_VIDEO_CAPTURE | |
Hans Verkuil | 534bc3e | 2015-03-27 15:17:56 -0300 | [diff] [blame] | 512 | V4L2_CAP_READWRITE | |
| 513 | V4L2_CAP_TUNER; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 514 | |
Hans Verkuil | 534bc3e | 2015-03-27 15:17:56 -0300 | [diff] [blame] | 515 | cap->capabilities = cap->device_caps | |
| 516 | V4L2_CAP_VBI_CAPTURE | |
| 517 | V4L2_CAP_DEVICE_CAPS; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 518 | |
| 519 | return 0; |
| 520 | } |
| 521 | |
| 522 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
| 523 | struct v4l2_fmtdesc *f) |
| 524 | { |
| 525 | if (f->index != 0) |
| 526 | return -EINVAL; |
| 527 | |
| 528 | strlcpy(f->description, "MPEG", sizeof(f->description)); |
| 529 | f->pixelformat = V4L2_PIX_FMT_MPEG; |
| 530 | |
| 531 | return 0; |
| 532 | } |
| 533 | |
Hans Verkuil | 031d229 | 2015-08-28 08:48:30 -0300 | [diff] [blame] | 534 | static int vidioc_fmt_vid_cap(struct file *file, void *priv, |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 535 | struct v4l2_format *f) |
| 536 | { |
Steven Toth | 96d8420 | 2010-07-31 16:04:59 -0300 | [diff] [blame] | 537 | struct saa7164_encoder_fh *fh = file->private_data; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 538 | struct saa7164_port *port = fh->port; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 539 | |
| 540 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
| 541 | f->fmt.pix.bytesperline = 0; |
Hans Verkuil | 031d229 | 2015-08-28 08:48:30 -0300 | [diff] [blame] | 542 | f->fmt.pix.sizeimage = SAA7164_SIZEIMAGE; |
| 543 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; |
| 544 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 545 | f->fmt.pix.width = port->width; |
| 546 | f->fmt.pix.height = port->height; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 547 | return 0; |
| 548 | } |
| 549 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 550 | static int saa7164_encoder_stop_port(struct saa7164_port *port) |
| 551 | { |
| 552 | struct saa7164_dev *dev = port->dev; |
| 553 | int ret; |
| 554 | |
| 555 | ret = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); |
| 556 | if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { |
| 557 | printk(KERN_ERR "%s() stop transition failed, ret = 0x%x\n", |
| 558 | __func__, ret); |
| 559 | ret = -EIO; |
| 560 | } else { |
| 561 | dprintk(DBGLVL_ENC, "%s() Stopped\n", __func__); |
| 562 | ret = 0; |
| 563 | } |
| 564 | |
| 565 | return ret; |
| 566 | } |
| 567 | |
| 568 | static int saa7164_encoder_acquire_port(struct saa7164_port *port) |
| 569 | { |
| 570 | struct saa7164_dev *dev = port->dev; |
| 571 | int ret; |
| 572 | |
| 573 | ret = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); |
| 574 | if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { |
| 575 | printk(KERN_ERR "%s() acquire transition failed, ret = 0x%x\n", |
| 576 | __func__, ret); |
| 577 | ret = -EIO; |
| 578 | } else { |
| 579 | dprintk(DBGLVL_ENC, "%s() Acquired\n", __func__); |
| 580 | ret = 0; |
| 581 | } |
| 582 | |
| 583 | return ret; |
| 584 | } |
| 585 | |
| 586 | static int saa7164_encoder_pause_port(struct saa7164_port *port) |
| 587 | { |
| 588 | struct saa7164_dev *dev = port->dev; |
| 589 | int ret; |
| 590 | |
| 591 | ret = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); |
| 592 | if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { |
| 593 | printk(KERN_ERR "%s() pause transition failed, ret = 0x%x\n", |
| 594 | __func__, ret); |
| 595 | ret = -EIO; |
| 596 | } else { |
| 597 | dprintk(DBGLVL_ENC, "%s() Paused\n", __func__); |
| 598 | ret = 0; |
| 599 | } |
| 600 | |
| 601 | return ret; |
| 602 | } |
| 603 | |
| 604 | /* Firmware is very windows centric, meaning you have to transition |
| 605 | * the part through AVStream / KS Windows stages, forwards or backwards. |
| 606 | * States are: stopped, acquired (h/w), paused, started. |
| 607 | * We have to leave here will all of the soft buffers on the free list, |
| 608 | * else the cfg_post() func won't have soft buffers to correctly configure. |
| 609 | */ |
| 610 | static int saa7164_encoder_stop_streaming(struct saa7164_port *port) |
| 611 | { |
| 612 | struct saa7164_dev *dev = port->dev; |
| 613 | struct saa7164_buffer *buf; |
| 614 | struct saa7164_user_buffer *ubuf; |
| 615 | struct list_head *c, *n; |
| 616 | int ret; |
| 617 | |
| 618 | dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr); |
| 619 | |
| 620 | ret = saa7164_encoder_pause_port(port); |
| 621 | ret = saa7164_encoder_acquire_port(port); |
| 622 | ret = saa7164_encoder_stop_port(port); |
| 623 | |
| 624 | dprintk(DBGLVL_ENC, "%s(port=%d) Hardware stopped\n", __func__, |
| 625 | port->nr); |
| 626 | |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 627 | /* Reset the state of any allocated buffer resources */ |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 628 | mutex_lock(&port->dmaqueue_lock); |
| 629 | |
| 630 | /* Reset the hard and soft buffer state */ |
| 631 | list_for_each_safe(c, n, &port->dmaqueue.list) { |
| 632 | buf = list_entry(c, struct saa7164_buffer, list); |
| 633 | buf->flags = SAA7164_BUFFER_FREE; |
| 634 | buf->pos = 0; |
| 635 | } |
| 636 | |
| 637 | list_for_each_safe(c, n, &port->list_buf_used.list) { |
| 638 | ubuf = list_entry(c, struct saa7164_user_buffer, list); |
| 639 | ubuf->pos = 0; |
| 640 | list_move_tail(&ubuf->list, &port->list_buf_free.list); |
| 641 | } |
| 642 | |
| 643 | mutex_unlock(&port->dmaqueue_lock); |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 644 | |
| 645 | /* Free any allocated resources */ |
| 646 | saa7164_encoder_buffers_dealloc(port); |
| 647 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 648 | dprintk(DBGLVL_ENC, "%s(port=%d) Released\n", __func__, port->nr); |
| 649 | |
| 650 | return ret; |
| 651 | } |
| 652 | |
| 653 | static int saa7164_encoder_start_streaming(struct saa7164_port *port) |
| 654 | { |
| 655 | struct saa7164_dev *dev = port->dev; |
| 656 | int result, ret = 0; |
| 657 | |
| 658 | dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr); |
| 659 | |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 660 | port->done_first_interrupt = 0; |
| 661 | |
| 662 | /* allocate all of the PCIe DMA buffer resources on the fly, |
| 663 | * allowing switching between TS and PS payloads without |
| 664 | * requiring a complete driver reload. |
| 665 | */ |
| 666 | saa7164_encoder_buffers_alloc(port); |
| 667 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 668 | /* Configure the encoder with any cache values */ |
| 669 | saa7164_api_set_encoder(port); |
Steven Toth | 12d3203 | 2010-07-31 15:13:45 -0300 | [diff] [blame] | 670 | saa7164_api_get_encoder(port); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 671 | |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 672 | /* Place the empty buffers on the hardware */ |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 673 | saa7164_buffer_cfg_port(port); |
| 674 | |
| 675 | /* Acquire the hardware */ |
| 676 | result = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); |
| 677 | if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { |
| 678 | printk(KERN_ERR "%s() acquire transition failed, res = 0x%x\n", |
| 679 | __func__, result); |
| 680 | |
| 681 | /* Stop the hardware, regardless */ |
| 682 | result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); |
| 683 | if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { |
| 684 | printk(KERN_ERR "%s() acquire/forced stop transition " |
| 685 | "failed, res = 0x%x\n", __func__, result); |
| 686 | } |
| 687 | ret = -EIO; |
| 688 | goto out; |
| 689 | } else |
| 690 | dprintk(DBGLVL_ENC, "%s() Acquired\n", __func__); |
| 691 | |
| 692 | /* Pause the hardware */ |
| 693 | result = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); |
| 694 | if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { |
| 695 | printk(KERN_ERR "%s() pause transition failed, res = 0x%x\n", |
| 696 | __func__, result); |
| 697 | |
| 698 | /* Stop the hardware, regardless */ |
| 699 | result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); |
| 700 | if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { |
| 701 | printk(KERN_ERR "%s() pause/forced stop transition " |
| 702 | "failed, res = 0x%x\n", __func__, result); |
| 703 | } |
| 704 | |
| 705 | ret = -EIO; |
| 706 | goto out; |
| 707 | } else |
| 708 | dprintk(DBGLVL_ENC, "%s() Paused\n", __func__); |
| 709 | |
| 710 | /* Start the hardware */ |
| 711 | result = saa7164_api_transition_port(port, SAA_DMASTATE_RUN); |
| 712 | if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { |
| 713 | printk(KERN_ERR "%s() run transition failed, result = 0x%x\n", |
| 714 | __func__, result); |
| 715 | |
| 716 | /* Stop the hardware, regardless */ |
| 717 | result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); |
| 718 | if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { |
| 719 | printk(KERN_ERR "%s() run/forced stop transition " |
| 720 | "failed, res = 0x%x\n", __func__, result); |
| 721 | } |
| 722 | |
| 723 | ret = -EIO; |
| 724 | } else |
| 725 | dprintk(DBGLVL_ENC, "%s() Running\n", __func__); |
| 726 | |
| 727 | out: |
| 728 | return ret; |
| 729 | } |
| 730 | |
| 731 | static int fops_open(struct file *file) |
| 732 | { |
Steven Toth | 214ce3f | 2010-10-06 21:52:22 -0300 | [diff] [blame] | 733 | struct saa7164_dev *dev; |
| 734 | struct saa7164_port *port; |
Steven Toth | 96d8420 | 2010-07-31 16:04:59 -0300 | [diff] [blame] | 735 | struct saa7164_encoder_fh *fh; |
Steven Toth | 214ce3f | 2010-10-06 21:52:22 -0300 | [diff] [blame] | 736 | |
| 737 | port = (struct saa7164_port *)video_get_drvdata(video_devdata(file)); |
| 738 | if (!port) |
| 739 | return -ENODEV; |
| 740 | |
| 741 | dev = port->dev; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 742 | |
| 743 | dprintk(DBGLVL_ENC, "%s()\n", __func__); |
| 744 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 745 | /* allocate + initialize per filehandle data */ |
| 746 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); |
Steven Toth | 214ce3f | 2010-10-06 21:52:22 -0300 | [diff] [blame] | 747 | if (NULL == fh) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 748 | return -ENOMEM; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 749 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 750 | fh->port = port; |
Hans Verkuil | d6d3fe2 | 2015-08-28 08:48:27 -0300 | [diff] [blame] | 751 | v4l2_fh_init(&fh->fh, video_devdata(file)); |
| 752 | v4l2_fh_add(&fh->fh); |
| 753 | file->private_data = fh; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 754 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 755 | return 0; |
| 756 | } |
| 757 | |
| 758 | static int fops_release(struct file *file) |
| 759 | { |
Steven Toth | 96d8420 | 2010-07-31 16:04:59 -0300 | [diff] [blame] | 760 | struct saa7164_encoder_fh *fh = file->private_data; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 761 | struct saa7164_port *port = fh->port; |
| 762 | struct saa7164_dev *dev = port->dev; |
| 763 | |
| 764 | dprintk(DBGLVL_ENC, "%s()\n", __func__); |
| 765 | |
| 766 | /* Shut device down on last close */ |
| 767 | if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) { |
| 768 | if (atomic_dec_return(&port->v4l_reader_count) == 0) { |
| 769 | /* stop mpeg capture then cancel buffers */ |
| 770 | saa7164_encoder_stop_streaming(port); |
| 771 | } |
| 772 | } |
| 773 | |
Hans Verkuil | d6d3fe2 | 2015-08-28 08:48:27 -0300 | [diff] [blame] | 774 | v4l2_fh_del(&fh->fh); |
| 775 | v4l2_fh_exit(&fh->fh); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 776 | kfree(fh); |
| 777 | |
| 778 | return 0; |
| 779 | } |
| 780 | |
Mauro Carvalho Chehab | 5faf7db | 2012-10-27 13:11:11 -0300 | [diff] [blame] | 781 | static struct |
| 782 | saa7164_user_buffer *saa7164_enc_next_buf(struct saa7164_port *port) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 783 | { |
Peter Huewe | 61ca1500 | 2011-01-30 16:33:01 -0300 | [diff] [blame] | 784 | struct saa7164_user_buffer *ubuf = NULL; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 785 | struct saa7164_dev *dev = port->dev; |
Steven Toth | 12d3203 | 2010-07-31 15:13:45 -0300 | [diff] [blame] | 786 | u32 crc; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 787 | |
| 788 | mutex_lock(&port->dmaqueue_lock); |
| 789 | if (!list_empty(&port->list_buf_used.list)) { |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 790 | ubuf = list_first_entry(&port->list_buf_used.list, |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 791 | struct saa7164_user_buffer, list); |
Steven Toth | 12d3203 | 2010-07-31 15:13:45 -0300 | [diff] [blame] | 792 | |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 793 | if (crc_checking) { |
| 794 | crc = crc32(0, ubuf->data, ubuf->actual_size); |
| 795 | if (crc != ubuf->crc) { |
Steven Toth | bc25068 | 2010-11-12 18:32:36 -0300 | [diff] [blame] | 796 | printk(KERN_ERR |
| 797 | "%s() ubuf %p crc became invalid, was 0x%x became 0x%x\n", |
| 798 | __func__, |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 799 | ubuf, ubuf->crc, crc); |
| 800 | } |
Steven Toth | 12d3203 | 2010-07-31 15:13:45 -0300 | [diff] [blame] | 801 | } |
| 802 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 803 | } |
| 804 | mutex_unlock(&port->dmaqueue_lock); |
| 805 | |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 806 | dprintk(DBGLVL_ENC, "%s() returns %p\n", __func__, ubuf); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 807 | |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 808 | return ubuf; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 809 | } |
| 810 | |
| 811 | static ssize_t fops_read(struct file *file, char __user *buffer, |
| 812 | size_t count, loff_t *pos) |
| 813 | { |
Steven Toth | 96d8420 | 2010-07-31 16:04:59 -0300 | [diff] [blame] | 814 | struct saa7164_encoder_fh *fh = file->private_data; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 815 | struct saa7164_port *port = fh->port; |
| 816 | struct saa7164_user_buffer *ubuf = NULL; |
| 817 | struct saa7164_dev *dev = port->dev; |
Gavin Hurlbut | f20a07d | 2010-09-29 15:18:20 -0300 | [diff] [blame] | 818 | int ret = 0; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 819 | int rem, cnt; |
| 820 | u8 *p; |
| 821 | |
Steven Toth | 58acca1 | 2010-07-31 15:10:52 -0300 | [diff] [blame] | 822 | port->last_read_msecs_diff = port->last_read_msecs; |
| 823 | port->last_read_msecs = jiffies_to_msecs(jiffies); |
| 824 | port->last_read_msecs_diff = port->last_read_msecs - |
| 825 | port->last_read_msecs_diff; |
| 826 | |
| 827 | saa7164_histogram_update(&port->read_interval, |
| 828 | port->last_read_msecs_diff); |
| 829 | |
Steven Toth | 46eeb8d | 2010-07-31 15:11:59 -0300 | [diff] [blame] | 830 | if (*pos) { |
| 831 | printk(KERN_ERR "%s() ESPIPE\n", __func__); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 832 | return -ESPIPE; |
Steven Toth | 46eeb8d | 2010-07-31 15:11:59 -0300 | [diff] [blame] | 833 | } |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 834 | |
| 835 | if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) { |
| 836 | if (atomic_inc_return(&port->v4l_reader_count) == 1) { |
| 837 | |
Steven Toth | 46eeb8d | 2010-07-31 15:11:59 -0300 | [diff] [blame] | 838 | if (saa7164_encoder_initialize(port) < 0) { |
| 839 | printk(KERN_ERR "%s() EINVAL\n", __func__); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 840 | return -EINVAL; |
Steven Toth | 46eeb8d | 2010-07-31 15:11:59 -0300 | [diff] [blame] | 841 | } |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 842 | |
| 843 | saa7164_encoder_start_streaming(port); |
| 844 | msleep(200); |
| 845 | } |
| 846 | } |
| 847 | |
| 848 | /* blocking wait for buffer */ |
| 849 | if ((file->f_flags & O_NONBLOCK) == 0) { |
| 850 | if (wait_event_interruptible(port->wait_read, |
| 851 | saa7164_enc_next_buf(port))) { |
Steven Toth | 46eeb8d | 2010-07-31 15:11:59 -0300 | [diff] [blame] | 852 | printk(KERN_ERR "%s() ERESTARTSYS\n", __func__); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 853 | return -ERESTARTSYS; |
| 854 | } |
| 855 | } |
| 856 | |
| 857 | /* Pull the first buffer from the used list */ |
| 858 | ubuf = saa7164_enc_next_buf(port); |
| 859 | |
| 860 | while ((count > 0) && ubuf) { |
| 861 | |
| 862 | /* set remaining bytes to copy */ |
| 863 | rem = ubuf->actual_size - ubuf->pos; |
| 864 | cnt = rem > count ? count : rem; |
| 865 | |
| 866 | p = ubuf->data + ubuf->pos; |
| 867 | |
| 868 | dprintk(DBGLVL_ENC, |
| 869 | "%s() count=%d cnt=%d rem=%d buf=%p buf->pos=%d\n", |
| 870 | __func__, (int)count, cnt, rem, ubuf, ubuf->pos); |
| 871 | |
| 872 | if (copy_to_user(buffer, p, cnt)) { |
| 873 | printk(KERN_ERR "%s() copy_to_user failed\n", __func__); |
Steven Toth | 46eeb8d | 2010-07-31 15:11:59 -0300 | [diff] [blame] | 874 | if (!ret) { |
| 875 | printk(KERN_ERR "%s() EFAULT\n", __func__); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 876 | ret = -EFAULT; |
Steven Toth | 46eeb8d | 2010-07-31 15:11:59 -0300 | [diff] [blame] | 877 | } |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 878 | goto err; |
| 879 | } |
| 880 | |
| 881 | ubuf->pos += cnt; |
| 882 | count -= cnt; |
| 883 | buffer += cnt; |
| 884 | ret += cnt; |
| 885 | |
Steven Toth | bc25068 | 2010-11-12 18:32:36 -0300 | [diff] [blame] | 886 | if (ubuf->pos > ubuf->actual_size) |
Steven Toth | 46eeb8d | 2010-07-31 15:11:59 -0300 | [diff] [blame] | 887 | printk(KERN_ERR "read() pos > actual, huh?\n"); |
Steven Toth | 46eeb8d | 2010-07-31 15:11:59 -0300 | [diff] [blame] | 888 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 889 | if (ubuf->pos == ubuf->actual_size) { |
| 890 | |
| 891 | /* finished with current buffer, take next buffer */ |
| 892 | |
| 893 | /* Requeue the buffer on the free list */ |
| 894 | ubuf->pos = 0; |
| 895 | |
| 896 | mutex_lock(&port->dmaqueue_lock); |
| 897 | list_move_tail(&ubuf->list, &port->list_buf_free.list); |
| 898 | mutex_unlock(&port->dmaqueue_lock); |
| 899 | |
| 900 | /* Dequeue next */ |
| 901 | if ((file->f_flags & O_NONBLOCK) == 0) { |
| 902 | if (wait_event_interruptible(port->wait_read, |
| 903 | saa7164_enc_next_buf(port))) { |
| 904 | break; |
| 905 | } |
| 906 | } |
| 907 | ubuf = saa7164_enc_next_buf(port); |
| 908 | } |
| 909 | } |
| 910 | err: |
Steven Toth | bc25068 | 2010-11-12 18:32:36 -0300 | [diff] [blame] | 911 | if (!ret && !ubuf) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 912 | ret = -EAGAIN; |
| 913 | |
| 914 | return ret; |
| 915 | } |
| 916 | |
| 917 | static unsigned int fops_poll(struct file *file, poll_table *wait) |
| 918 | { |
Hans Verkuil | 45053ed | 2015-08-28 08:48:28 -0300 | [diff] [blame] | 919 | unsigned long req_events = poll_requested_events(wait); |
Steven Toth | bc25068 | 2010-11-12 18:32:36 -0300 | [diff] [blame] | 920 | struct saa7164_encoder_fh *fh = |
| 921 | (struct saa7164_encoder_fh *)file->private_data; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 922 | struct saa7164_port *port = fh->port; |
Hans Verkuil | 245b5ae | 2015-08-28 08:48:29 -0300 | [diff] [blame] | 923 | unsigned int mask = v4l2_ctrl_poll(file, wait); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 924 | |
Steven Toth | 58acca1 | 2010-07-31 15:10:52 -0300 | [diff] [blame] | 925 | port->last_poll_msecs_diff = port->last_poll_msecs; |
| 926 | port->last_poll_msecs = jiffies_to_msecs(jiffies); |
| 927 | port->last_poll_msecs_diff = port->last_poll_msecs - |
| 928 | port->last_poll_msecs_diff; |
| 929 | |
| 930 | saa7164_histogram_update(&port->poll_interval, |
| 931 | port->last_poll_msecs_diff); |
| 932 | |
Hans Verkuil | 45053ed | 2015-08-28 08:48:28 -0300 | [diff] [blame] | 933 | if (!(req_events & (POLLIN | POLLRDNORM))) |
| 934 | return mask; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 935 | |
| 936 | if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) { |
| 937 | if (atomic_inc_return(&port->v4l_reader_count) == 1) { |
| 938 | if (saa7164_encoder_initialize(port) < 0) |
Hans Verkuil | 245b5ae | 2015-08-28 08:48:29 -0300 | [diff] [blame] | 939 | return mask | POLLERR; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 940 | saa7164_encoder_start_streaming(port); |
| 941 | msleep(200); |
| 942 | } |
| 943 | } |
| 944 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 945 | /* Pull the first buffer from the used list */ |
Dan Carpenter | 061d55e | 2010-11-24 02:36:57 -0300 | [diff] [blame] | 946 | if (!list_empty(&port->list_buf_used.list)) |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 947 | mask |= POLLIN | POLLRDNORM; |
| 948 | |
| 949 | return mask; |
| 950 | } |
| 951 | |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 952 | static const struct v4l2_ctrl_ops saa7164_ctrl_ops = { |
| 953 | .s_ctrl = saa7164_s_ctrl, |
| 954 | }; |
| 955 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 956 | static const struct v4l2_file_operations mpeg_fops = { |
| 957 | .owner = THIS_MODULE, |
| 958 | .open = fops_open, |
| 959 | .release = fops_release, |
| 960 | .read = fops_read, |
| 961 | .poll = fops_poll, |
| 962 | .unlocked_ioctl = video_ioctl2, |
| 963 | }; |
| 964 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 965 | static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { |
| 966 | .vidioc_s_std = vidioc_s_std, |
Hans Verkuil | 8d2d41e | 2013-06-03 05:36:45 -0300 | [diff] [blame] | 967 | .vidioc_g_std = vidioc_g_std, |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 968 | .vidioc_enum_input = saa7164_enum_input, |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 969 | .vidioc_g_input = vidioc_g_input, |
| 970 | .vidioc_s_input = vidioc_s_input, |
Hans Verkuil | 225b783 | 2015-08-28 08:48:33 -0300 | [diff] [blame] | 971 | .vidioc_g_tuner = saa7164_g_tuner, |
| 972 | .vidioc_s_tuner = saa7164_s_tuner, |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 973 | .vidioc_g_frequency = vidioc_g_frequency, |
| 974 | .vidioc_s_frequency = vidioc_s_frequency, |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 975 | .vidioc_querycap = vidioc_querycap, |
| 976 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
Hans Verkuil | 031d229 | 2015-08-28 08:48:30 -0300 | [diff] [blame] | 977 | .vidioc_g_fmt_vid_cap = vidioc_fmt_vid_cap, |
| 978 | .vidioc_try_fmt_vid_cap = vidioc_fmt_vid_cap, |
| 979 | .vidioc_s_fmt_vid_cap = vidioc_fmt_vid_cap, |
Hans Verkuil | 245b5ae | 2015-08-28 08:48:29 -0300 | [diff] [blame] | 980 | .vidioc_log_status = v4l2_ctrl_log_status, |
| 981 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
| 982 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 983 | }; |
| 984 | |
| 985 | static struct video_device saa7164_mpeg_template = { |
| 986 | .name = "saa7164", |
| 987 | .fops = &mpeg_fops, |
| 988 | .ioctl_ops = &mpeg_ioctl_ops, |
| 989 | .minor = -1, |
| 990 | .tvnorms = SAA7164_NORMS, |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 991 | }; |
| 992 | |
| 993 | static struct video_device *saa7164_encoder_alloc( |
| 994 | struct saa7164_port *port, |
| 995 | struct pci_dev *pci, |
| 996 | struct video_device *template, |
| 997 | char *type) |
| 998 | { |
| 999 | struct video_device *vfd; |
| 1000 | struct saa7164_dev *dev = port->dev; |
| 1001 | |
| 1002 | dprintk(DBGLVL_ENC, "%s()\n", __func__); |
| 1003 | |
| 1004 | vfd = video_device_alloc(); |
| 1005 | if (NULL == vfd) |
| 1006 | return NULL; |
| 1007 | |
| 1008 | *vfd = *template; |
| 1009 | snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, |
| 1010 | type, saa7164_boards[dev->board].name); |
| 1011 | |
Hans Verkuil | d66de79 | 2013-06-12 05:49:50 -0300 | [diff] [blame] | 1012 | vfd->v4l2_dev = &dev->v4l2_dev; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 1013 | vfd->release = video_device_release; |
| 1014 | return vfd; |
| 1015 | } |
| 1016 | |
| 1017 | int saa7164_encoder_register(struct saa7164_port *port) |
| 1018 | { |
| 1019 | struct saa7164_dev *dev = port->dev; |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 1020 | struct v4l2_ctrl_handler *hdl = &port->ctrl_handler; |
Steven Toth | 1b0e8e4 | 2010-07-31 16:01:00 -0300 | [diff] [blame] | 1021 | int result = -ENODEV; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 1022 | |
| 1023 | dprintk(DBGLVL_ENC, "%s()\n", __func__); |
| 1024 | |
Amitoj Kaur Chawla | 2aefee0 | 2016-05-28 13:43:39 -0300 | [diff] [blame] | 1025 | BUG_ON(port->type != SAA7164_MPEG_ENCODER); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 1026 | |
| 1027 | /* Sanity check that the PCI configuration space is active */ |
| 1028 | if (port->hwcfg.BARLocation == 0) { |
| 1029 | printk(KERN_ERR "%s() failed " |
| 1030 | "(errno = %d), NO PCI configuration\n", |
| 1031 | __func__, result); |
| 1032 | result = -ENOMEM; |
| 1033 | goto failed; |
| 1034 | } |
| 1035 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 1036 | /* Establish encoder defaults here */ |
| 1037 | /* Set default TV standard */ |
| 1038 | port->encodernorm = saa7164_tvnorms[0]; |
| 1039 | port->width = 720; |
| 1040 | port->mux_input = 1; /* Composite */ |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 1041 | port->video_format = EU_VIDEO_FORMAT_MPEG_2; |
| 1042 | port->audio_format = 0; |
| 1043 | port->video_resolution = 0; |
Hans Verkuil | 6b99612 | 2015-08-28 08:48:32 -0300 | [diff] [blame] | 1044 | port->freq = SAA7164_TV_MIN_FREQ; |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 1045 | |
| 1046 | v4l2_ctrl_handler_init(hdl, 14); |
| 1047 | v4l2_ctrl_new_std(hdl, &saa7164_ctrl_ops, |
| 1048 | V4L2_CID_BRIGHTNESS, 0, 255, 1, 127); |
| 1049 | v4l2_ctrl_new_std(hdl, &saa7164_ctrl_ops, |
| 1050 | V4L2_CID_CONTRAST, 0, 255, 1, 66); |
| 1051 | v4l2_ctrl_new_std(hdl, &saa7164_ctrl_ops, |
| 1052 | V4L2_CID_SATURATION, 0, 255, 1, 62); |
| 1053 | v4l2_ctrl_new_std(hdl, &saa7164_ctrl_ops, |
| 1054 | V4L2_CID_HUE, 0, 255, 1, 128); |
| 1055 | v4l2_ctrl_new_std(hdl, &saa7164_ctrl_ops, |
| 1056 | V4L2_CID_SHARPNESS, 0x0, 0x0f, 1, 8); |
| 1057 | v4l2_ctrl_new_std(hdl, &saa7164_ctrl_ops, |
| 1058 | V4L2_CID_MPEG_AUDIO_MUTE, 0x0, 0x01, 1, 0); |
| 1059 | v4l2_ctrl_new_std(hdl, &saa7164_ctrl_ops, |
| 1060 | V4L2_CID_AUDIO_VOLUME, -83, 24, 1, 20); |
| 1061 | v4l2_ctrl_new_std(hdl, &saa7164_ctrl_ops, |
| 1062 | V4L2_CID_MPEG_VIDEO_BITRATE, |
| 1063 | ENCODER_MIN_BITRATE, ENCODER_MAX_BITRATE, |
| 1064 | 100000, ENCODER_DEF_BITRATE); |
| 1065 | v4l2_ctrl_new_std_menu(hdl, &saa7164_ctrl_ops, |
| 1066 | V4L2_CID_MPEG_STREAM_TYPE, |
| 1067 | V4L2_MPEG_STREAM_TYPE_MPEG2_TS, 0, |
| 1068 | V4L2_MPEG_STREAM_TYPE_MPEG2_PS); |
| 1069 | v4l2_ctrl_new_std_menu(hdl, &saa7164_ctrl_ops, |
| 1070 | V4L2_CID_MPEG_VIDEO_ASPECT, |
| 1071 | V4L2_MPEG_VIDEO_ASPECT_221x100, 0, |
| 1072 | V4L2_MPEG_VIDEO_ASPECT_4x3); |
| 1073 | v4l2_ctrl_new_std(hdl, &saa7164_ctrl_ops, |
| 1074 | V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, 15); |
| 1075 | v4l2_ctrl_new_std_menu(hdl, &saa7164_ctrl_ops, |
| 1076 | V4L2_CID_MPEG_VIDEO_BITRATE_MODE, |
| 1077 | V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 0, |
| 1078 | V4L2_MPEG_VIDEO_BITRATE_MODE_VBR); |
| 1079 | v4l2_ctrl_new_std(hdl, &saa7164_ctrl_ops, |
| 1080 | V4L2_CID_MPEG_VIDEO_B_FRAMES, 1, 3, 1, 1); |
| 1081 | v4l2_ctrl_new_std(hdl, &saa7164_ctrl_ops, |
| 1082 | V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, |
| 1083 | ENCODER_MIN_BITRATE, ENCODER_MAX_BITRATE, |
| 1084 | 100000, ENCODER_DEF_BITRATE); |
| 1085 | if (hdl->error) { |
| 1086 | result = hdl->error; |
| 1087 | goto failed; |
| 1088 | } |
| 1089 | |
Hans Verkuil | 8d2d41e | 2013-06-03 05:36:45 -0300 | [diff] [blame] | 1090 | port->std = V4L2_STD_NTSC_M; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 1091 | |
| 1092 | if (port->encodernorm.id & V4L2_STD_525_60) |
| 1093 | port->height = 480; |
| 1094 | else |
| 1095 | port->height = 576; |
| 1096 | |
| 1097 | /* Allocate and register the video device node */ |
| 1098 | port->v4l_device = saa7164_encoder_alloc(port, |
| 1099 | dev->pci, &saa7164_mpeg_template, "mpeg"); |
| 1100 | |
Peter Huewe | 61ca1500 | 2011-01-30 16:33:01 -0300 | [diff] [blame] | 1101 | if (!port->v4l_device) { |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 1102 | printk(KERN_INFO "%s: can't allocate mpeg device\n", |
| 1103 | dev->name); |
| 1104 | result = -ENOMEM; |
| 1105 | goto failed; |
| 1106 | } |
| 1107 | |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 1108 | port->v4l_device->ctrl_handler = hdl; |
| 1109 | v4l2_ctrl_handler_setup(hdl); |
Steven Toth | 214ce3f | 2010-10-06 21:52:22 -0300 | [diff] [blame] | 1110 | video_set_drvdata(port->v4l_device, port); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 1111 | result = video_register_device(port->v4l_device, |
| 1112 | VFL_TYPE_GRABBER, -1); |
| 1113 | if (result < 0) { |
| 1114 | printk(KERN_INFO "%s: can't register mpeg device\n", |
| 1115 | dev->name); |
| 1116 | /* TODO: We're going to leak here if we don't dealloc |
| 1117 | The buffers above. The unreg function can't deal wit it. |
| 1118 | */ |
| 1119 | goto failed; |
| 1120 | } |
| 1121 | |
| 1122 | printk(KERN_INFO "%s: registered device video%d [mpeg]\n", |
| 1123 | dev->name, port->v4l_device->num); |
| 1124 | |
| 1125 | /* Configure the hardware defaults */ |
| 1126 | saa7164_api_set_videomux(port); |
| 1127 | saa7164_api_set_usercontrol(port, PU_BRIGHTNESS_CONTROL); |
| 1128 | saa7164_api_set_usercontrol(port, PU_CONTRAST_CONTROL); |
| 1129 | saa7164_api_set_usercontrol(port, PU_HUE_CONTROL); |
| 1130 | saa7164_api_set_usercontrol(port, PU_SATURATION_CONTROL); |
| 1131 | saa7164_api_set_usercontrol(port, PU_SHARPNESS_CONTROL); |
| 1132 | saa7164_api_audio_mute(port, 0); |
| 1133 | saa7164_api_set_audio_volume(port, 20); |
| 1134 | saa7164_api_set_aspect_ratio(port); |
| 1135 | |
| 1136 | /* Disable audio standard detection, it's buggy */ |
| 1137 | saa7164_api_set_audio_detection(port, 0); |
| 1138 | |
| 1139 | saa7164_api_set_encoder(port); |
| 1140 | saa7164_api_get_encoder(port); |
| 1141 | |
| 1142 | result = 0; |
| 1143 | failed: |
| 1144 | return result; |
| 1145 | } |
| 1146 | |
| 1147 | void saa7164_encoder_unregister(struct saa7164_port *port) |
| 1148 | { |
| 1149 | struct saa7164_dev *dev = port->dev; |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 1150 | |
| 1151 | dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr); |
| 1152 | |
Amitoj Kaur Chawla | 2aefee0 | 2016-05-28 13:43:39 -0300 | [diff] [blame] | 1153 | BUG_ON(port->type != SAA7164_MPEG_ENCODER); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 1154 | |
| 1155 | if (port->v4l_device) { |
| 1156 | if (port->v4l_device->minor != -1) |
| 1157 | video_unregister_device(port->v4l_device); |
| 1158 | else |
| 1159 | video_device_release(port->v4l_device); |
| 1160 | |
| 1161 | port->v4l_device = NULL; |
| 1162 | } |
Hans Verkuil | 1a708ea | 2015-08-28 08:48:26 -0300 | [diff] [blame] | 1163 | v4l2_ctrl_handler_free(&port->ctrl_handler); |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 1164 | |
Steven Toth | 7615e43 | 2010-07-31 14:44:53 -0300 | [diff] [blame] | 1165 | dprintk(DBGLVL_ENC, "%s(port=%d) done\n", __func__, port->nr); |
| 1166 | } |
| 1167 | |