Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * |
| 3 | * (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 18 | */ |
| 19 | |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/list.h> |
| 22 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #include <linux/kernel.h> |
| 24 | #include <linux/slab.h> |
Alexey Dobriyan | 405f557 | 2009-07-11 22:08:37 +0400 | [diff] [blame] | 25 | #include <linux/smp_lock.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | #include <linux/delay.h> |
| 27 | |
| 28 | #include "saa7134-reg.h" |
| 29 | #include "saa7134.h" |
| 30 | |
| 31 | #include <media/saa6752hs.h> |
Michael Krufky | 5e453dc | 2006-01-09 15:32:31 -0200 | [diff] [blame] | 32 | #include <media/v4l2-common.h> |
Hans Verkuil | e281db58 | 2008-08-08 12:43:59 -0300 | [diff] [blame] | 33 | #include <media/v4l2-chip-ident.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | |
| 35 | /* ------------------------------------------------------------------ */ |
| 36 | |
| 37 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); |
| 38 | MODULE_LICENSE("GPL"); |
| 39 | |
| 40 | static unsigned int empress_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 41 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | module_param_array(empress_nr, int, NULL, 0444); |
| 43 | MODULE_PARM_DESC(empress_nr,"ts device number"); |
| 44 | |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 45 | static unsigned int debug; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | module_param(debug, int, 0644); |
| 47 | MODULE_PARM_DESC(debug,"enable debug messages"); |
| 48 | |
| 49 | #define dprintk(fmt, arg...) if (debug) \ |
| 50 | printk(KERN_DEBUG "%s/empress: " fmt, dev->name , ## arg) |
| 51 | |
| 52 | /* ------------------------------------------------------------------ */ |
| 53 | |
| 54 | static void ts_reset_encoder(struct saa7134_dev* dev) |
| 55 | { |
| 56 | if (!dev->empress_started) |
| 57 | return; |
| 58 | |
| 59 | saa_writeb(SAA7134_SPECIAL_MODE, 0x00); |
| 60 | msleep(10); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 61 | saa_writeb(SAA7134_SPECIAL_MODE, 0x01); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | msleep(100); |
| 63 | dev->empress_started = 0; |
| 64 | } |
| 65 | |
| 66 | static int ts_init_encoder(struct saa7134_dev* dev) |
| 67 | { |
Dmitry Belimov | f03813e | 2008-08-26 13:44:40 -0300 | [diff] [blame] | 68 | u32 leading_null_bytes = 0; |
Hans Verkuil | 86b79d6 | 2006-06-18 16:40:10 -0300 | [diff] [blame] | 69 | |
Dmitry Belimov | f03813e | 2008-08-26 13:44:40 -0300 | [diff] [blame] | 70 | /* If more cards start to need this, then this |
| 71 | should probably be added to the card definitions. */ |
| 72 | switch (dev->board) { |
| 73 | case SAA7134_BOARD_BEHOLD_M6: |
| 74 | case SAA7134_BOARD_BEHOLD_M63: |
| 75 | case SAA7134_BOARD_BEHOLD_M6_EXTRA: |
| 76 | leading_null_bytes = 1; |
| 77 | break; |
| 78 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | ts_reset_encoder(dev); |
Hans Verkuil | fac6986 | 2009-01-17 12:17:14 -0300 | [diff] [blame] | 80 | saa_call_all(dev, core, init, leading_null_bytes); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | dev->empress_started = 1; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 82 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | /* ------------------------------------------------------------------ */ |
| 86 | |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 87 | static int ts_open(struct file *file) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | { |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 89 | int minor = video_devdata(file)->minor; |
Trent Piepho | 6d28e98 | 2007-10-10 05:37:42 -0300 | [diff] [blame] | 90 | struct saa7134_dev *dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | int err; |
| 92 | |
Hans Verkuil | d56dc61 | 2008-07-30 08:43:36 -0300 | [diff] [blame] | 93 | lock_kernel(); |
Trent Piepho | 6d28e98 | 2007-10-10 05:37:42 -0300 | [diff] [blame] | 94 | list_for_each_entry(dev, &saa7134_devlist, devlist) |
| 95 | if (dev->empress_dev && dev->empress_dev->minor == minor) |
| 96 | goto found; |
Hans Verkuil | d56dc61 | 2008-07-30 08:43:36 -0300 | [diff] [blame] | 97 | unlock_kernel(); |
Trent Piepho | 6d28e98 | 2007-10-10 05:37:42 -0300 | [diff] [blame] | 98 | return -ENODEV; |
| 99 | found: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | |
| 101 | dprintk("open minor=%d\n",minor); |
| 102 | err = -EBUSY; |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame] | 103 | if (!mutex_trylock(&dev->empress_tsq.vb_lock)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | goto done; |
Hans Verkuil | 1052efe | 2008-07-26 09:01:24 -0300 | [diff] [blame] | 105 | if (atomic_read(&dev->empress_users)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | goto done_up; |
| 107 | |
Rafael Bilski | b784e52 | 2007-06-20 05:37:27 -0300 | [diff] [blame] | 108 | /* Unmute audio */ |
| 109 | saa_writeb(SAA7134_AUDIO_MUTE_CTRL, |
| 110 | saa_readb(SAA7134_AUDIO_MUTE_CTRL) & ~(1 << 6)); |
| 111 | |
Hans Verkuil | 1052efe | 2008-07-26 09:01:24 -0300 | [diff] [blame] | 112 | atomic_inc(&dev->empress_users); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | file->private_data = dev; |
| 114 | err = 0; |
| 115 | |
| 116 | done_up: |
Mauro Carvalho Chehab | 64f9477 | 2008-01-31 13:57:53 -0300 | [diff] [blame] | 117 | mutex_unlock(&dev->empress_tsq.vb_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | done: |
Hans Verkuil | d56dc61 | 2008-07-30 08:43:36 -0300 | [diff] [blame] | 119 | unlock_kernel(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | return err; |
| 121 | } |
| 122 | |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 123 | static int ts_release(struct file *file) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | { |
| 125 | struct saa7134_dev *dev = file->private_data; |
| 126 | |
Brandon Philips | 053fcb6 | 2007-11-13 20:11:26 -0300 | [diff] [blame] | 127 | videobuf_stop(&dev->empress_tsq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | videobuf_mmap_free(&dev->empress_tsq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | |
| 130 | /* stop the encoder */ |
| 131 | ts_reset_encoder(dev); |
| 132 | |
Rafael Bilski | b784e52 | 2007-06-20 05:37:27 -0300 | [diff] [blame] | 133 | /* Mute audio */ |
| 134 | saa_writeb(SAA7134_AUDIO_MUTE_CTRL, |
| 135 | saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6)); |
| 136 | |
Hans Verkuil | 1052efe | 2008-07-26 09:01:24 -0300 | [diff] [blame] | 137 | atomic_dec(&dev->empress_users); |
Arjan van de Ven | a178987 | 2008-06-22 17:03:02 -0300 | [diff] [blame] | 138 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | return 0; |
| 140 | } |
| 141 | |
| 142 | static ssize_t |
| 143 | ts_read(struct file *file, char __user *data, size_t count, loff_t *ppos) |
| 144 | { |
| 145 | struct saa7134_dev *dev = file->private_data; |
| 146 | |
| 147 | if (!dev->empress_started) |
| 148 | ts_init_encoder(dev); |
| 149 | |
| 150 | return videobuf_read_stream(&dev->empress_tsq, |
| 151 | data, count, ppos, 0, |
| 152 | file->f_flags & O_NONBLOCK); |
| 153 | } |
| 154 | |
| 155 | static unsigned int |
| 156 | ts_poll(struct file *file, struct poll_table_struct *wait) |
| 157 | { |
| 158 | struct saa7134_dev *dev = file->private_data; |
| 159 | |
| 160 | return videobuf_poll_stream(file, &dev->empress_tsq, wait); |
| 161 | } |
| 162 | |
| 163 | |
| 164 | static int |
| 165 | ts_mmap(struct file *file, struct vm_area_struct * vma) |
| 166 | { |
| 167 | struct saa7134_dev *dev = file->private_data; |
| 168 | |
| 169 | return videobuf_mmap_mapper(&dev->empress_tsq, vma); |
| 170 | } |
| 171 | |
| 172 | /* |
| 173 | * This function is _not_ called directly, but from |
| 174 | * video_generic_ioctl (and maybe others). userspace |
| 175 | * copying is done already, arg is a kernel pointer. |
| 176 | */ |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 177 | |
| 178 | static int empress_querycap(struct file *file, void *priv, |
| 179 | struct v4l2_capability *cap) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | { |
Dmitri Belimov | 388748e | 2008-05-21 01:20:34 -0300 | [diff] [blame] | 181 | struct saa7134_dev *dev = file->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 183 | strcpy(cap->driver, "saa7134"); |
| 184 | strlcpy(cap->card, saa7134_boards[dev->board].name, |
| 185 | sizeof(cap->card)); |
| 186 | sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); |
| 187 | cap->version = SAA7134_VERSION_CODE; |
| 188 | cap->capabilities = |
| 189 | V4L2_CAP_VIDEO_CAPTURE | |
| 190 | V4L2_CAP_READWRITE | |
| 191 | V4L2_CAP_STREAMING; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | return 0; |
| 193 | } |
| 194 | |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 195 | static int empress_enum_input(struct file *file, void *priv, |
| 196 | struct v4l2_input *i) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | { |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 198 | if (i->index != 0) |
| 199 | return -EINVAL; |
| 200 | |
| 201 | i->type = V4L2_INPUT_TYPE_CAMERA; |
| 202 | strcpy(i->name, "CCIR656"); |
| 203 | |
| 204 | return 0; |
| 205 | } |
| 206 | |
| 207 | static int empress_g_input(struct file *file, void *priv, unsigned int *i) |
| 208 | { |
| 209 | *i = 0; |
| 210 | return 0; |
| 211 | } |
| 212 | |
| 213 | static int empress_s_input(struct file *file, void *priv, unsigned int i) |
| 214 | { |
| 215 | if (i != 0) |
| 216 | return -EINVAL; |
| 217 | |
| 218 | return 0; |
| 219 | } |
| 220 | |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 221 | static int empress_enum_fmt_vid_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 222 | struct v4l2_fmtdesc *f) |
| 223 | { |
| 224 | if (f->index != 0) |
| 225 | return -EINVAL; |
| 226 | |
| 227 | strlcpy(f->description, "MPEG TS", sizeof(f->description)); |
| 228 | f->pixelformat = V4L2_PIX_FMT_MPEG; |
| 229 | |
| 230 | return 0; |
| 231 | } |
| 232 | |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 233 | static int empress_g_fmt_vid_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 234 | struct v4l2_format *f) |
| 235 | { |
Dmitri Belimov | a14fe96 | 2008-06-10 14:19:31 -0300 | [diff] [blame] | 236 | struct saa7134_dev *dev = file->private_data; |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 237 | |
Hans Verkuil | fac6986 | 2009-01-17 12:17:14 -0300 | [diff] [blame] | 238 | saa_call_all(dev, video, g_fmt, f); |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 239 | |
| 240 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
| 241 | f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets; |
| 242 | |
| 243 | return 0; |
| 244 | } |
| 245 | |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 246 | static int empress_s_fmt_vid_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 247 | struct v4l2_format *f) |
| 248 | { |
Dmitri Belimov | a14fe96 | 2008-06-10 14:19:31 -0300 | [diff] [blame] | 249 | struct saa7134_dev *dev = file->private_data; |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 250 | |
Hans Verkuil | fac6986 | 2009-01-17 12:17:14 -0300 | [diff] [blame] | 251 | saa_call_all(dev, video, s_fmt, f); |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 252 | |
| 253 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
| 254 | f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets; |
| 255 | |
| 256 | return 0; |
| 257 | } |
| 258 | |
Dmitri Belimov | 6b6b754 | 2009-05-28 01:58:57 -0300 | [diff] [blame] | 259 | static int empress_try_fmt_vid_cap(struct file *file, void *priv, |
| 260 | struct v4l2_format *f) |
| 261 | { |
| 262 | struct saa7134_dev *dev = file->private_data; |
| 263 | |
| 264 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
| 265 | f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets; |
| 266 | |
| 267 | return 0; |
| 268 | } |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 269 | |
| 270 | static int empress_reqbufs(struct file *file, void *priv, |
| 271 | struct v4l2_requestbuffers *p) |
| 272 | { |
Dmitri Belimov | a14fe96 | 2008-06-10 14:19:31 -0300 | [diff] [blame] | 273 | struct saa7134_dev *dev = file->private_data; |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 274 | |
| 275 | return videobuf_reqbufs(&dev->empress_tsq, p); |
| 276 | } |
| 277 | |
| 278 | static int empress_querybuf(struct file *file, void *priv, |
| 279 | struct v4l2_buffer *b) |
| 280 | { |
Dmitri Belimov | a14fe96 | 2008-06-10 14:19:31 -0300 | [diff] [blame] | 281 | struct saa7134_dev *dev = file->private_data; |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 282 | |
| 283 | return videobuf_querybuf(&dev->empress_tsq, b); |
| 284 | } |
| 285 | |
| 286 | static int empress_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) |
| 287 | { |
Dmitri Belimov | a14fe96 | 2008-06-10 14:19:31 -0300 | [diff] [blame] | 288 | struct saa7134_dev *dev = file->private_data; |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 289 | |
| 290 | return videobuf_qbuf(&dev->empress_tsq, b); |
| 291 | } |
| 292 | |
| 293 | static int empress_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) |
| 294 | { |
Dmitri Belimov | a14fe96 | 2008-06-10 14:19:31 -0300 | [diff] [blame] | 295 | struct saa7134_dev *dev = file->private_data; |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 296 | |
| 297 | return videobuf_dqbuf(&dev->empress_tsq, b, |
| 298 | file->f_flags & O_NONBLOCK); |
| 299 | } |
| 300 | |
| 301 | static int empress_streamon(struct file *file, void *priv, |
| 302 | enum v4l2_buf_type type) |
| 303 | { |
Dmitri Belimov | a14fe96 | 2008-06-10 14:19:31 -0300 | [diff] [blame] | 304 | struct saa7134_dev *dev = file->private_data; |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 305 | |
| 306 | return videobuf_streamon(&dev->empress_tsq); |
| 307 | } |
| 308 | |
| 309 | static int empress_streamoff(struct file *file, void *priv, |
| 310 | enum v4l2_buf_type type) |
| 311 | { |
Dmitri Belimov | a14fe96 | 2008-06-10 14:19:31 -0300 | [diff] [blame] | 312 | struct saa7134_dev *dev = file->private_data; |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 313 | |
| 314 | return videobuf_streamoff(&dev->empress_tsq); |
| 315 | } |
| 316 | |
| 317 | static int empress_s_ext_ctrls(struct file *file, void *priv, |
| 318 | struct v4l2_ext_controls *ctrls) |
| 319 | { |
Dmitri Belimov | a14fe96 | 2008-06-10 14:19:31 -0300 | [diff] [blame] | 320 | struct saa7134_dev *dev = file->private_data; |
Hans Verkuil | 8b53b39 | 2008-06-27 21:18:15 -0300 | [diff] [blame] | 321 | int err; |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 322 | |
| 323 | /* count == 0 is abused in saa6752hs.c, so that special |
| 324 | case is handled here explicitly. */ |
| 325 | if (ctrls->count == 0) |
| 326 | return 0; |
| 327 | |
| 328 | if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) |
| 329 | return -EINVAL; |
| 330 | |
Hans Verkuil | fac6986 | 2009-01-17 12:17:14 -0300 | [diff] [blame] | 331 | err = saa_call_empress(dev, core, s_ext_ctrls, ctrls); |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 332 | ts_init_encoder(dev); |
| 333 | |
Hans Verkuil | 8b53b39 | 2008-06-27 21:18:15 -0300 | [diff] [blame] | 334 | return err; |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | static int empress_g_ext_ctrls(struct file *file, void *priv, |
| 338 | struct v4l2_ext_controls *ctrls) |
| 339 | { |
Dmitri Belimov | a14fe96 | 2008-06-10 14:19:31 -0300 | [diff] [blame] | 340 | struct saa7134_dev *dev = file->private_data; |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 341 | |
| 342 | if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) |
| 343 | return -EINVAL; |
Hans Verkuil | fac6986 | 2009-01-17 12:17:14 -0300 | [diff] [blame] | 344 | return saa_call_empress(dev, core, g_ext_ctrls, ctrls); |
Hans Verkuil | 8b53b39 | 2008-06-27 21:18:15 -0300 | [diff] [blame] | 345 | } |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 346 | |
Hans Verkuil | 531d83a | 2008-07-26 09:04:06 -0300 | [diff] [blame] | 347 | static int empress_g_ctrl(struct file *file, void *priv, |
| 348 | struct v4l2_control *c) |
| 349 | { |
| 350 | struct saa7134_dev *dev = file->private_data; |
| 351 | |
| 352 | return saa7134_g_ctrl_internal(dev, NULL, c); |
| 353 | } |
| 354 | |
| 355 | static int empress_s_ctrl(struct file *file, void *priv, |
| 356 | struct v4l2_control *c) |
| 357 | { |
| 358 | struct saa7134_dev *dev = file->private_data; |
| 359 | |
| 360 | return saa7134_s_ctrl_internal(dev, NULL, c); |
| 361 | } |
| 362 | |
Hans Verkuil | 8b53b39 | 2008-06-27 21:18:15 -0300 | [diff] [blame] | 363 | static int empress_queryctrl(struct file *file, void *priv, |
| 364 | struct v4l2_queryctrl *c) |
| 365 | { |
Hans Verkuil | 2ba5889 | 2009-02-13 10:57:48 -0300 | [diff] [blame] | 366 | /* Must be sorted from low to high control ID! */ |
Hans Verkuil | 8b53b39 | 2008-06-27 21:18:15 -0300 | [diff] [blame] | 367 | static const u32 user_ctrls[] = { |
| 368 | V4L2_CID_USER_CLASS, |
| 369 | V4L2_CID_BRIGHTNESS, |
| 370 | V4L2_CID_CONTRAST, |
| 371 | V4L2_CID_SATURATION, |
| 372 | V4L2_CID_HUE, |
| 373 | V4L2_CID_AUDIO_VOLUME, |
| 374 | V4L2_CID_AUDIO_MUTE, |
| 375 | V4L2_CID_HFLIP, |
| 376 | 0 |
| 377 | }; |
| 378 | |
Hans Verkuil | 2ba5889 | 2009-02-13 10:57:48 -0300 | [diff] [blame] | 379 | /* Must be sorted from low to high control ID! */ |
Hans Verkuil | 8b53b39 | 2008-06-27 21:18:15 -0300 | [diff] [blame] | 380 | static const u32 mpeg_ctrls[] = { |
| 381 | V4L2_CID_MPEG_CLASS, |
| 382 | V4L2_CID_MPEG_STREAM_TYPE, |
| 383 | V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ, |
| 384 | V4L2_CID_MPEG_AUDIO_ENCODING, |
| 385 | V4L2_CID_MPEG_AUDIO_L2_BITRATE, |
| 386 | V4L2_CID_MPEG_VIDEO_ENCODING, |
| 387 | V4L2_CID_MPEG_VIDEO_ASPECT, |
| 388 | V4L2_CID_MPEG_VIDEO_BITRATE_MODE, |
| 389 | V4L2_CID_MPEG_VIDEO_BITRATE, |
| 390 | V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, |
| 391 | 0 |
| 392 | }; |
| 393 | static const u32 *ctrl_classes[] = { |
| 394 | user_ctrls, |
| 395 | mpeg_ctrls, |
| 396 | NULL |
| 397 | }; |
| 398 | struct saa7134_dev *dev = file->private_data; |
| 399 | |
| 400 | c->id = v4l2_ctrl_next(ctrl_classes, c->id); |
| 401 | if (c->id == 0) |
| 402 | return -EINVAL; |
| 403 | if (c->id == V4L2_CID_USER_CLASS || c->id == V4L2_CID_MPEG_CLASS) |
Hans Verkuil | 10afbef | 2009-02-21 18:47:24 -0300 | [diff] [blame] | 404 | return v4l2_ctrl_query_fill(c, 0, 0, 0, 0); |
Hans Verkuil | 8b53b39 | 2008-06-27 21:18:15 -0300 | [diff] [blame] | 405 | if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG) |
| 406 | return saa7134_queryctrl(file, priv, c); |
Hans Verkuil | fac6986 | 2009-01-17 12:17:14 -0300 | [diff] [blame] | 407 | return saa_call_empress(dev, core, queryctrl, c); |
Hans Verkuil | 8b53b39 | 2008-06-27 21:18:15 -0300 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | static int empress_querymenu(struct file *file, void *priv, |
| 411 | struct v4l2_querymenu *c) |
| 412 | { |
| 413 | struct saa7134_dev *dev = file->private_data; |
| 414 | |
| 415 | if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG) |
| 416 | return -EINVAL; |
Hans Verkuil | fac6986 | 2009-01-17 12:17:14 -0300 | [diff] [blame] | 417 | return saa_call_empress(dev, core, querymenu, c); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | } |
| 419 | |
Hans Verkuil | e281db58 | 2008-08-08 12:43:59 -0300 | [diff] [blame] | 420 | static int empress_g_chip_ident(struct file *file, void *fh, |
Hans Verkuil | aecde8b | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 421 | struct v4l2_dbg_chip_ident *chip) |
Hans Verkuil | e281db58 | 2008-08-08 12:43:59 -0300 | [diff] [blame] | 422 | { |
| 423 | struct saa7134_dev *dev = file->private_data; |
| 424 | |
| 425 | chip->ident = V4L2_IDENT_NONE; |
| 426 | chip->revision = 0; |
Hans Verkuil | aecde8b | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 427 | if (chip->match.type == V4L2_CHIP_MATCH_I2C_DRIVER && |
| 428 | !strcmp(chip->match.name, "saa6752hs")) |
Hans Verkuil | fac6986 | 2009-01-17 12:17:14 -0300 | [diff] [blame] | 429 | return saa_call_empress(dev, core, g_chip_ident, chip); |
Hans Verkuil | 195784b | 2009-03-28 09:27:02 -0300 | [diff] [blame] | 430 | if (chip->match.type == V4L2_CHIP_MATCH_I2C_ADDR) |
Hans Verkuil | fac6986 | 2009-01-17 12:17:14 -0300 | [diff] [blame] | 431 | return saa_call_empress(dev, core, g_chip_ident, chip); |
Hans Verkuil | e281db58 | 2008-08-08 12:43:59 -0300 | [diff] [blame] | 432 | return -EINVAL; |
| 433 | } |
| 434 | |
Hans Verkuil | 9afb737 | 2008-09-06 06:34:44 -0300 | [diff] [blame] | 435 | static int empress_s_std(struct file *file, void *priv, v4l2_std_id *id) |
| 436 | { |
| 437 | struct saa7134_dev *dev = file->private_data; |
| 438 | |
| 439 | return saa7134_s_std_internal(dev, NULL, id); |
| 440 | } |
| 441 | |
| 442 | static int empress_g_std(struct file *file, void *priv, v4l2_std_id *id) |
| 443 | { |
| 444 | struct saa7134_dev *dev = file->private_data; |
| 445 | |
| 446 | *id = dev->tvnorm->id; |
| 447 | return 0; |
| 448 | } |
Hans Verkuil | e281db58 | 2008-08-08 12:43:59 -0300 | [diff] [blame] | 449 | |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 450 | static const struct v4l2_file_operations ts_fops = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | { |
| 452 | .owner = THIS_MODULE, |
| 453 | .open = ts_open, |
| 454 | .release = ts_release, |
| 455 | .read = ts_read, |
| 456 | .poll = ts_poll, |
| 457 | .mmap = ts_mmap, |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 458 | .ioctl = video_ioctl2, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 459 | }; |
| 460 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 461 | static const struct v4l2_ioctl_ops ts_ioctl_ops = { |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 462 | .vidioc_querycap = empress_querycap, |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 463 | .vidioc_enum_fmt_vid_cap = empress_enum_fmt_vid_cap, |
Dmitri Belimov | 6b6b754 | 2009-05-28 01:58:57 -0300 | [diff] [blame] | 464 | .vidioc_try_fmt_vid_cap = empress_try_fmt_vid_cap, |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 465 | .vidioc_s_fmt_vid_cap = empress_s_fmt_vid_cap, |
| 466 | .vidioc_g_fmt_vid_cap = empress_g_fmt_vid_cap, |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 467 | .vidioc_reqbufs = empress_reqbufs, |
| 468 | .vidioc_querybuf = empress_querybuf, |
| 469 | .vidioc_qbuf = empress_qbuf, |
| 470 | .vidioc_dqbuf = empress_dqbuf, |
| 471 | .vidioc_streamon = empress_streamon, |
| 472 | .vidioc_streamoff = empress_streamoff, |
| 473 | .vidioc_s_ext_ctrls = empress_s_ext_ctrls, |
| 474 | .vidioc_g_ext_ctrls = empress_g_ext_ctrls, |
| 475 | .vidioc_enum_input = empress_enum_input, |
| 476 | .vidioc_g_input = empress_g_input, |
| 477 | .vidioc_s_input = empress_s_input, |
Hans Verkuil | 8b53b39 | 2008-06-27 21:18:15 -0300 | [diff] [blame] | 478 | .vidioc_queryctrl = empress_queryctrl, |
| 479 | .vidioc_querymenu = empress_querymenu, |
Hans Verkuil | 531d83a | 2008-07-26 09:04:06 -0300 | [diff] [blame] | 480 | .vidioc_g_ctrl = empress_g_ctrl, |
| 481 | .vidioc_s_ctrl = empress_s_ctrl, |
Hans Verkuil | e281db58 | 2008-08-08 12:43:59 -0300 | [diff] [blame] | 482 | .vidioc_g_chip_ident = empress_g_chip_ident, |
Hans Verkuil | 9afb737 | 2008-09-06 06:34:44 -0300 | [diff] [blame] | 483 | .vidioc_s_std = empress_s_std, |
| 484 | .vidioc_g_std = empress_g_std, |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 485 | }; |
| 486 | |
| 487 | /* ----------------------------------------------------------- */ |
| 488 | |
| 489 | static struct video_device saa7134_empress_template = { |
| 490 | .name = "saa7134-empress", |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 491 | .fops = &ts_fops, |
| 492 | .minor = -1, |
| 493 | .ioctl_ops = &ts_ioctl_ops, |
Mauro Carvalho Chehab | 2c10e8a | 2007-12-11 12:56:23 -0300 | [diff] [blame] | 494 | |
| 495 | .tvnorms = SAA7134_NORMS, |
| 496 | .current_norm = V4L2_STD_PAL, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | }; |
| 498 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 499 | static void empress_signal_update(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | { |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 501 | struct saa7134_dev* dev = |
| 502 | container_of(work, struct saa7134_dev, empress_workqueue); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 503 | |
| 504 | if (dev->nosignal) { |
| 505 | dprintk("no video signal\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 506 | } else { |
| 507 | dprintk("video signal acquired\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 508 | } |
| 509 | } |
| 510 | |
| 511 | static void empress_signal_change(struct saa7134_dev *dev) |
| 512 | { |
| 513 | schedule_work(&dev->empress_workqueue); |
| 514 | } |
| 515 | |
| 516 | |
| 517 | static int empress_init(struct saa7134_dev *dev) |
| 518 | { |
| 519 | int err; |
| 520 | |
Harvey Harrison | 5016381 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 521 | dprintk("%s: %s\n",dev->name,__func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 522 | dev->empress_dev = video_device_alloc(); |
| 523 | if (NULL == dev->empress_dev) |
| 524 | return -ENOMEM; |
| 525 | *(dev->empress_dev) = saa7134_empress_template; |
Hans Verkuil | 5e85e73 | 2008-07-20 06:31:39 -0300 | [diff] [blame] | 526 | dev->empress_dev->parent = &dev->pci->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 527 | dev->empress_dev->release = video_device_release; |
| 528 | snprintf(dev->empress_dev->name, sizeof(dev->empress_dev->name), |
| 529 | "%s empress (%s)", dev->name, |
| 530 | saa7134_boards[dev->board].name); |
| 531 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 532 | INIT_WORK(&dev->empress_workqueue, empress_signal_update); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 533 | |
| 534 | err = video_register_device(dev->empress_dev,VFL_TYPE_GRABBER, |
| 535 | empress_nr[dev->nr]); |
| 536 | if (err < 0) { |
| 537 | printk(KERN_INFO "%s: can't register video device\n", |
| 538 | dev->name); |
| 539 | video_device_release(dev->empress_dev); |
| 540 | dev->empress_dev = NULL; |
| 541 | return err; |
| 542 | } |
| 543 | printk(KERN_INFO "%s: registered device video%d [mpeg]\n", |
Hans Verkuil | c6330fb | 2008-10-19 18:54:26 -0300 | [diff] [blame] | 544 | dev->name, dev->empress_dev->num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | |
Guennadi Liakhovetski | 0705135 | 2008-04-22 14:42:13 -0300 | [diff] [blame] | 546 | videobuf_queue_sg_init(&dev->empress_tsq, &saa7134_ts_qops, |
| 547 | &dev->pci->dev, &dev->slock, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 548 | V4L2_BUF_TYPE_VIDEO_CAPTURE, |
| 549 | V4L2_FIELD_ALTERNATE, |
| 550 | sizeof(struct saa7134_buf), |
| 551 | dev); |
| 552 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 553 | empress_signal_update(&dev->empress_workqueue); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 554 | return 0; |
| 555 | } |
| 556 | |
| 557 | static int empress_fini(struct saa7134_dev *dev) |
| 558 | { |
Harvey Harrison | 5016381 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 559 | dprintk("%s: %s\n",dev->name,__func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | |
| 561 | if (NULL == dev->empress_dev) |
| 562 | return 0; |
| 563 | flush_scheduled_work(); |
| 564 | video_unregister_device(dev->empress_dev); |
| 565 | dev->empress_dev = NULL; |
| 566 | return 0; |
| 567 | } |
| 568 | |
| 569 | static struct saa7134_mpeg_ops empress_ops = { |
| 570 | .type = SAA7134_MPEG_EMPRESS, |
| 571 | .init = empress_init, |
| 572 | .fini = empress_fini, |
| 573 | .signal_change = empress_signal_change, |
| 574 | }; |
| 575 | |
| 576 | static int __init empress_register(void) |
| 577 | { |
| 578 | return saa7134_ts_register(&empress_ops); |
| 579 | } |
| 580 | |
| 581 | static void __exit empress_unregister(void) |
| 582 | { |
| 583 | saa7134_ts_unregister(&empress_ops); |
| 584 | } |
| 585 | |
| 586 | module_init(empress_register); |
| 587 | module_exit(empress_unregister); |
| 588 | |
| 589 | /* ----------------------------------------------------------- */ |
| 590 | /* |
| 591 | * Local variables: |
| 592 | * c-basic-offset: 8 |
| 593 | * End: |
| 594 | */ |