1b285192aSMauro Carvalho Chehab /* 2b285192aSMauro Carvalho Chehab * Driver for the NXP SAA7164 PCIe bridge 3b285192aSMauro Carvalho Chehab * 4b285192aSMauro Carvalho Chehab * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> 5b285192aSMauro Carvalho Chehab * 6b285192aSMauro Carvalho Chehab * This program is free software; you can redistribute it and/or modify 7b285192aSMauro Carvalho Chehab * it under the terms of the GNU General Public License as published by 8b285192aSMauro Carvalho Chehab * the Free Software Foundation; either version 2 of the License, or 9b285192aSMauro Carvalho Chehab * (at your option) any later version. 10b285192aSMauro Carvalho Chehab * 11b285192aSMauro Carvalho Chehab * This program is distributed in the hope that it will be useful, 12b285192aSMauro Carvalho Chehab * but WITHOUT ANY WARRANTY; without even the implied warranty of 13b285192aSMauro Carvalho Chehab * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14b285192aSMauro Carvalho Chehab * 15b285192aSMauro Carvalho Chehab * GNU General Public License for more details. 16b285192aSMauro Carvalho Chehab * 17b285192aSMauro Carvalho Chehab * You should have received a copy of the GNU General Public License 18b285192aSMauro Carvalho Chehab * along with this program; if not, write to the Free Software 19b285192aSMauro Carvalho Chehab * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20b285192aSMauro Carvalho Chehab */ 21b285192aSMauro Carvalho Chehab 22b285192aSMauro Carvalho Chehab #include "saa7164.h" 23b285192aSMauro Carvalho Chehab 24b285192aSMauro Carvalho Chehab #define ENCODER_MAX_BITRATE 6500000 25b285192aSMauro Carvalho Chehab #define ENCODER_MIN_BITRATE 1000000 26b285192aSMauro Carvalho Chehab #define ENCODER_DEF_BITRATE 5000000 27b285192aSMauro Carvalho Chehab 28b285192aSMauro Carvalho Chehab static struct saa7164_tvnorm saa7164_tvnorms[] = { 29b285192aSMauro Carvalho Chehab { 30b285192aSMauro Carvalho Chehab .name = "NTSC-M", 31b285192aSMauro Carvalho Chehab .id = V4L2_STD_NTSC_M, 32b285192aSMauro Carvalho Chehab }, { 33b285192aSMauro Carvalho Chehab .name = "NTSC-JP", 34b285192aSMauro Carvalho Chehab .id = V4L2_STD_NTSC_M_JP, 35b285192aSMauro Carvalho Chehab } 36b285192aSMauro Carvalho Chehab }; 37b285192aSMauro Carvalho Chehab 38b285192aSMauro Carvalho Chehab static const u32 saa7164_v4l2_ctrls[] = { 39b285192aSMauro Carvalho Chehab V4L2_CID_BRIGHTNESS, 40b285192aSMauro Carvalho Chehab V4L2_CID_CONTRAST, 41b285192aSMauro Carvalho Chehab V4L2_CID_SATURATION, 42b285192aSMauro Carvalho Chehab V4L2_CID_HUE, 43b285192aSMauro Carvalho Chehab V4L2_CID_AUDIO_VOLUME, 44b285192aSMauro Carvalho Chehab V4L2_CID_SHARPNESS, 45b285192aSMauro Carvalho Chehab V4L2_CID_MPEG_STREAM_TYPE, 46b285192aSMauro Carvalho Chehab V4L2_CID_MPEG_VIDEO_ASPECT, 47b285192aSMauro Carvalho Chehab V4L2_CID_MPEG_VIDEO_B_FRAMES, 48b285192aSMauro Carvalho Chehab V4L2_CID_MPEG_VIDEO_GOP_SIZE, 49b285192aSMauro Carvalho Chehab V4L2_CID_MPEG_AUDIO_MUTE, 50b285192aSMauro Carvalho Chehab V4L2_CID_MPEG_VIDEO_BITRATE_MODE, 51b285192aSMauro Carvalho Chehab V4L2_CID_MPEG_VIDEO_BITRATE, 52b285192aSMauro Carvalho Chehab V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, 53b285192aSMauro Carvalho Chehab 0 54b285192aSMauro Carvalho Chehab }; 55b285192aSMauro Carvalho Chehab 56b285192aSMauro Carvalho Chehab /* Take the encoder configuration form the port struct and 57b285192aSMauro Carvalho Chehab * flush it to the hardware. 58b285192aSMauro Carvalho Chehab */ 59b285192aSMauro Carvalho Chehab static void saa7164_encoder_configure(struct saa7164_port *port) 60b285192aSMauro Carvalho Chehab { 61b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 62b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s()\n", __func__); 63b285192aSMauro Carvalho Chehab 64b285192aSMauro Carvalho Chehab port->encoder_params.width = port->width; 65b285192aSMauro Carvalho Chehab port->encoder_params.height = port->height; 66b285192aSMauro Carvalho Chehab port->encoder_params.is_50hz = 67b285192aSMauro Carvalho Chehab (port->encodernorm.id & V4L2_STD_625_50) != 0; 68b285192aSMauro Carvalho Chehab 69b285192aSMauro Carvalho Chehab /* Set up the DIF (enable it) for analog mode by default */ 70b285192aSMauro Carvalho Chehab saa7164_api_initialize_dif(port); 71b285192aSMauro Carvalho Chehab 72b285192aSMauro Carvalho Chehab /* Configure the correct video standard */ 73b285192aSMauro Carvalho Chehab saa7164_api_configure_dif(port, port->encodernorm.id); 74b285192aSMauro Carvalho Chehab 75b285192aSMauro Carvalho Chehab /* Ensure the audio decoder is correct configured */ 76b285192aSMauro Carvalho Chehab saa7164_api_set_audio_std(port); 77b285192aSMauro Carvalho Chehab } 78b285192aSMauro Carvalho Chehab 79b285192aSMauro Carvalho Chehab static int saa7164_encoder_buffers_dealloc(struct saa7164_port *port) 80b285192aSMauro Carvalho Chehab { 81b285192aSMauro Carvalho Chehab struct list_head *c, *n, *p, *q, *l, *v; 82b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 83b285192aSMauro Carvalho Chehab struct saa7164_buffer *buf; 84b285192aSMauro Carvalho Chehab struct saa7164_user_buffer *ubuf; 85b285192aSMauro Carvalho Chehab 86b285192aSMauro Carvalho Chehab /* Remove any allocated buffers */ 87b285192aSMauro Carvalho Chehab mutex_lock(&port->dmaqueue_lock); 88b285192aSMauro Carvalho Chehab 89b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s(port=%d) dmaqueue\n", __func__, port->nr); 90b285192aSMauro Carvalho Chehab list_for_each_safe(c, n, &port->dmaqueue.list) { 91b285192aSMauro Carvalho Chehab buf = list_entry(c, struct saa7164_buffer, list); 92b285192aSMauro Carvalho Chehab list_del(c); 93b285192aSMauro Carvalho Chehab saa7164_buffer_dealloc(buf); 94b285192aSMauro Carvalho Chehab } 95b285192aSMauro Carvalho Chehab 96b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s(port=%d) used\n", __func__, port->nr); 97b285192aSMauro Carvalho Chehab list_for_each_safe(p, q, &port->list_buf_used.list) { 98b285192aSMauro Carvalho Chehab ubuf = list_entry(p, struct saa7164_user_buffer, list); 99b285192aSMauro Carvalho Chehab list_del(p); 100b285192aSMauro Carvalho Chehab saa7164_buffer_dealloc_user(ubuf); 101b285192aSMauro Carvalho Chehab } 102b285192aSMauro Carvalho Chehab 103b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s(port=%d) free\n", __func__, port->nr); 104b285192aSMauro Carvalho Chehab list_for_each_safe(l, v, &port->list_buf_free.list) { 105b285192aSMauro Carvalho Chehab ubuf = list_entry(l, struct saa7164_user_buffer, list); 106b285192aSMauro Carvalho Chehab list_del(l); 107b285192aSMauro Carvalho Chehab saa7164_buffer_dealloc_user(ubuf); 108b285192aSMauro Carvalho Chehab } 109b285192aSMauro Carvalho Chehab 110b285192aSMauro Carvalho Chehab mutex_unlock(&port->dmaqueue_lock); 111b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s(port=%d) done\n", __func__, port->nr); 112b285192aSMauro Carvalho Chehab 113b285192aSMauro Carvalho Chehab return 0; 114b285192aSMauro Carvalho Chehab } 115b285192aSMauro Carvalho Chehab 116b285192aSMauro Carvalho Chehab /* Dynamic buffer switch at encoder start time */ 117b285192aSMauro Carvalho Chehab static int saa7164_encoder_buffers_alloc(struct saa7164_port *port) 118b285192aSMauro Carvalho Chehab { 119b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 120b285192aSMauro Carvalho Chehab struct saa7164_buffer *buf; 121b285192aSMauro Carvalho Chehab struct saa7164_user_buffer *ubuf; 122b285192aSMauro Carvalho Chehab struct tmHWStreamParameters *params = &port->hw_streamingparams; 123b285192aSMauro Carvalho Chehab int result = -ENODEV, i; 124b285192aSMauro Carvalho Chehab int len = 0; 125b285192aSMauro Carvalho Chehab 126b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s()\n", __func__); 127b285192aSMauro Carvalho Chehab 128b285192aSMauro Carvalho Chehab if (port->encoder_params.stream_type == 129b285192aSMauro Carvalho Chehab V4L2_MPEG_STREAM_TYPE_MPEG2_PS) { 130b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, 131b285192aSMauro Carvalho Chehab "%s() type=V4L2_MPEG_STREAM_TYPE_MPEG2_PS\n", 132b285192aSMauro Carvalho Chehab __func__); 133b285192aSMauro Carvalho Chehab params->samplesperline = 128; 134b285192aSMauro Carvalho Chehab params->numberoflines = 256; 135b285192aSMauro Carvalho Chehab params->pitch = 128; 136b285192aSMauro Carvalho Chehab params->numpagetables = 2 + 137b285192aSMauro Carvalho Chehab ((SAA7164_PS_NUMBER_OF_LINES * 128) / PAGE_SIZE); 138b285192aSMauro Carvalho Chehab } else 139b285192aSMauro Carvalho Chehab if (port->encoder_params.stream_type == 140b285192aSMauro Carvalho Chehab V4L2_MPEG_STREAM_TYPE_MPEG2_TS) { 141b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, 142b285192aSMauro Carvalho Chehab "%s() type=V4L2_MPEG_STREAM_TYPE_MPEG2_TS\n", 143b285192aSMauro Carvalho Chehab __func__); 144b285192aSMauro Carvalho Chehab params->samplesperline = 188; 145b285192aSMauro Carvalho Chehab params->numberoflines = 312; 146b285192aSMauro Carvalho Chehab params->pitch = 188; 147b285192aSMauro Carvalho Chehab params->numpagetables = 2 + 148b285192aSMauro Carvalho Chehab ((SAA7164_TS_NUMBER_OF_LINES * 188) / PAGE_SIZE); 149b285192aSMauro Carvalho Chehab } else 150b285192aSMauro Carvalho Chehab BUG(); 151b285192aSMauro Carvalho Chehab 152b285192aSMauro Carvalho Chehab /* Init and establish defaults */ 153b285192aSMauro Carvalho Chehab params->bitspersample = 8; 154b285192aSMauro Carvalho Chehab params->linethreshold = 0; 155b285192aSMauro Carvalho Chehab params->pagetablelistvirt = NULL; 156b285192aSMauro Carvalho Chehab params->pagetablelistphys = NULL; 157b285192aSMauro Carvalho Chehab params->numpagetableentries = port->hwcfg.buffercount; 158b285192aSMauro Carvalho Chehab 159b285192aSMauro Carvalho Chehab /* Allocate the PCI resources, buffers (hard) */ 160b285192aSMauro Carvalho Chehab for (i = 0; i < port->hwcfg.buffercount; i++) { 161b285192aSMauro Carvalho Chehab buf = saa7164_buffer_alloc(port, 162b285192aSMauro Carvalho Chehab params->numberoflines * 163b285192aSMauro Carvalho Chehab params->pitch); 164b285192aSMauro Carvalho Chehab 165b285192aSMauro Carvalho Chehab if (!buf) { 166b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() failed " 167b285192aSMauro Carvalho Chehab "(errno = %d), unable to allocate buffer\n", 168b285192aSMauro Carvalho Chehab __func__, result); 169b285192aSMauro Carvalho Chehab result = -ENOMEM; 170b285192aSMauro Carvalho Chehab goto failed; 171b285192aSMauro Carvalho Chehab } else { 172b285192aSMauro Carvalho Chehab 173b285192aSMauro Carvalho Chehab mutex_lock(&port->dmaqueue_lock); 174b285192aSMauro Carvalho Chehab list_add_tail(&buf->list, &port->dmaqueue.list); 175b285192aSMauro Carvalho Chehab mutex_unlock(&port->dmaqueue_lock); 176b285192aSMauro Carvalho Chehab 177b285192aSMauro Carvalho Chehab } 178b285192aSMauro Carvalho Chehab } 179b285192aSMauro Carvalho Chehab 180b285192aSMauro Carvalho Chehab /* Allocate some kernel buffers for copying 181b285192aSMauro Carvalho Chehab * to userpsace. 182b285192aSMauro Carvalho Chehab */ 183b285192aSMauro Carvalho Chehab len = params->numberoflines * params->pitch; 184b285192aSMauro Carvalho Chehab 185b285192aSMauro Carvalho Chehab if (encoder_buffers < 16) 186b285192aSMauro Carvalho Chehab encoder_buffers = 16; 187b285192aSMauro Carvalho Chehab if (encoder_buffers > 512) 188b285192aSMauro Carvalho Chehab encoder_buffers = 512; 189b285192aSMauro Carvalho Chehab 190b285192aSMauro Carvalho Chehab for (i = 0; i < encoder_buffers; i++) { 191b285192aSMauro Carvalho Chehab 192b285192aSMauro Carvalho Chehab ubuf = saa7164_buffer_alloc_user(dev, len); 193b285192aSMauro Carvalho Chehab if (ubuf) { 194b285192aSMauro Carvalho Chehab mutex_lock(&port->dmaqueue_lock); 195b285192aSMauro Carvalho Chehab list_add_tail(&ubuf->list, &port->list_buf_free.list); 196b285192aSMauro Carvalho Chehab mutex_unlock(&port->dmaqueue_lock); 197b285192aSMauro Carvalho Chehab } 198b285192aSMauro Carvalho Chehab 199b285192aSMauro Carvalho Chehab } 200b285192aSMauro Carvalho Chehab 201b285192aSMauro Carvalho Chehab result = 0; 202b285192aSMauro Carvalho Chehab 203b285192aSMauro Carvalho Chehab failed: 204b285192aSMauro Carvalho Chehab return result; 205b285192aSMauro Carvalho Chehab } 206b285192aSMauro Carvalho Chehab 207b285192aSMauro Carvalho Chehab static int saa7164_encoder_initialize(struct saa7164_port *port) 208b285192aSMauro Carvalho Chehab { 209b285192aSMauro Carvalho Chehab saa7164_encoder_configure(port); 210b285192aSMauro Carvalho Chehab return 0; 211b285192aSMauro Carvalho Chehab } 212b285192aSMauro Carvalho Chehab 213b285192aSMauro Carvalho Chehab /* -- V4L2 --------------------------------------------------------- */ 214314527acSHans Verkuil static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id) 215b285192aSMauro Carvalho Chehab { 216b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 217b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 218b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 219b285192aSMauro Carvalho Chehab unsigned int i; 220b285192aSMauro Carvalho Chehab 221314527acSHans Verkuil dprintk(DBGLVL_ENC, "%s(id=0x%x)\n", __func__, (u32)id); 222b285192aSMauro Carvalho Chehab 223b285192aSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(saa7164_tvnorms); i++) { 224314527acSHans Verkuil if (id & saa7164_tvnorms[i].id) 225b285192aSMauro Carvalho Chehab break; 226b285192aSMauro Carvalho Chehab } 227b285192aSMauro Carvalho Chehab if (i == ARRAY_SIZE(saa7164_tvnorms)) 228b285192aSMauro Carvalho Chehab return -EINVAL; 229b285192aSMauro Carvalho Chehab 230b285192aSMauro Carvalho Chehab port->encodernorm = saa7164_tvnorms[i]; 2318d2d41e9SHans Verkuil port->std = id; 232b285192aSMauro Carvalho Chehab 233b285192aSMauro Carvalho Chehab /* Update the audio decoder while is not running in 234b285192aSMauro Carvalho Chehab * auto detect mode. 235b285192aSMauro Carvalho Chehab */ 236b285192aSMauro Carvalho Chehab saa7164_api_set_audio_std(port); 237b285192aSMauro Carvalho Chehab 238314527acSHans Verkuil dprintk(DBGLVL_ENC, "%s(id=0x%x) OK\n", __func__, (u32)id); 239b285192aSMauro Carvalho Chehab 240b285192aSMauro Carvalho Chehab return 0; 241b285192aSMauro Carvalho Chehab } 242b285192aSMauro Carvalho Chehab 2438d2d41e9SHans Verkuil static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) 2448d2d41e9SHans Verkuil { 2458d2d41e9SHans Verkuil struct saa7164_encoder_fh *fh = file->private_data; 2468d2d41e9SHans Verkuil struct saa7164_port *port = fh->port; 2478d2d41e9SHans Verkuil 2488d2d41e9SHans Verkuil *id = port->std; 2498d2d41e9SHans Verkuil return 0; 2508d2d41e9SHans Verkuil } 2518d2d41e9SHans Verkuil 252b285192aSMauro Carvalho Chehab static int vidioc_enum_input(struct file *file, void *priv, 253b285192aSMauro Carvalho Chehab struct v4l2_input *i) 254b285192aSMauro Carvalho Chehab { 255b285192aSMauro Carvalho Chehab int n; 256b285192aSMauro Carvalho Chehab 257b285192aSMauro Carvalho Chehab char *inputs[] = { "tuner", "composite", "svideo", "aux", 258b285192aSMauro Carvalho Chehab "composite 2", "svideo 2", "aux 2" }; 259b285192aSMauro Carvalho Chehab 260b285192aSMauro Carvalho Chehab if (i->index >= 7) 261b285192aSMauro Carvalho Chehab return -EINVAL; 262b285192aSMauro Carvalho Chehab 263b285192aSMauro Carvalho Chehab strcpy(i->name, inputs[i->index]); 264b285192aSMauro Carvalho Chehab 265b285192aSMauro Carvalho Chehab if (i->index == 0) 266b285192aSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 267b285192aSMauro Carvalho Chehab else 268b285192aSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_CAMERA; 269b285192aSMauro Carvalho Chehab 270b285192aSMauro Carvalho Chehab for (n = 0; n < ARRAY_SIZE(saa7164_tvnorms); n++) 271b285192aSMauro Carvalho Chehab i->std |= saa7164_tvnorms[n].id; 272b285192aSMauro Carvalho Chehab 273b285192aSMauro Carvalho Chehab return 0; 274b285192aSMauro Carvalho Chehab } 275b285192aSMauro Carvalho Chehab 276b285192aSMauro Carvalho Chehab static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 277b285192aSMauro Carvalho Chehab { 278b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 279b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 280b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 281b285192aSMauro Carvalho Chehab 282b285192aSMauro Carvalho Chehab if (saa7164_api_get_videomux(port) != SAA_OK) 283b285192aSMauro Carvalho Chehab return -EIO; 284b285192aSMauro Carvalho Chehab 285b285192aSMauro Carvalho Chehab *i = (port->mux_input - 1); 286b285192aSMauro Carvalho Chehab 287b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s() input=%d\n", __func__, *i); 288b285192aSMauro Carvalho Chehab 289b285192aSMauro Carvalho Chehab return 0; 290b285192aSMauro Carvalho Chehab } 291b285192aSMauro Carvalho Chehab 292b285192aSMauro Carvalho Chehab static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 293b285192aSMauro Carvalho Chehab { 294b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 295b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 296b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 297b285192aSMauro Carvalho Chehab 298b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s() input=%d\n", __func__, i); 299b285192aSMauro Carvalho Chehab 300b285192aSMauro Carvalho Chehab if (i >= 7) 301b285192aSMauro Carvalho Chehab return -EINVAL; 302b285192aSMauro Carvalho Chehab 303b285192aSMauro Carvalho Chehab port->mux_input = i + 1; 304b285192aSMauro Carvalho Chehab 305b285192aSMauro Carvalho Chehab if (saa7164_api_set_videomux(port) != SAA_OK) 306b285192aSMauro Carvalho Chehab return -EIO; 307b285192aSMauro Carvalho Chehab 308b285192aSMauro Carvalho Chehab return 0; 309b285192aSMauro Carvalho Chehab } 310b285192aSMauro Carvalho Chehab 311b285192aSMauro Carvalho Chehab static int vidioc_g_tuner(struct file *file, void *priv, 312b285192aSMauro Carvalho Chehab struct v4l2_tuner *t) 313b285192aSMauro Carvalho Chehab { 314b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 315b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 316b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 317b285192aSMauro Carvalho Chehab 318b285192aSMauro Carvalho Chehab if (0 != t->index) 319b285192aSMauro Carvalho Chehab return -EINVAL; 320b285192aSMauro Carvalho Chehab 321b285192aSMauro Carvalho Chehab strcpy(t->name, "tuner"); 322b285192aSMauro Carvalho Chehab t->type = V4L2_TUNER_ANALOG_TV; 323b285192aSMauro Carvalho Chehab t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO; 324b285192aSMauro Carvalho Chehab 325b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "VIDIOC_G_TUNER: tuner type %d\n", t->type); 326b285192aSMauro Carvalho Chehab 327b285192aSMauro Carvalho Chehab return 0; 328b285192aSMauro Carvalho Chehab } 329b285192aSMauro Carvalho Chehab 330b285192aSMauro Carvalho Chehab static int vidioc_s_tuner(struct file *file, void *priv, 3312f73c7c5SHans Verkuil const struct v4l2_tuner *t) 332b285192aSMauro Carvalho Chehab { 333b285192aSMauro Carvalho Chehab /* Update the A/V core */ 334b285192aSMauro Carvalho Chehab return 0; 335b285192aSMauro Carvalho Chehab } 336b285192aSMauro Carvalho Chehab 337b285192aSMauro Carvalho Chehab static int vidioc_g_frequency(struct file *file, void *priv, 338b285192aSMauro Carvalho Chehab struct v4l2_frequency *f) 339b285192aSMauro Carvalho Chehab { 340b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 341b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 342b285192aSMauro Carvalho Chehab 343b285192aSMauro Carvalho Chehab f->type = V4L2_TUNER_ANALOG_TV; 344b285192aSMauro Carvalho Chehab f->frequency = port->freq; 345b285192aSMauro Carvalho Chehab 346b285192aSMauro Carvalho Chehab return 0; 347b285192aSMauro Carvalho Chehab } 348b285192aSMauro Carvalho Chehab 349b285192aSMauro Carvalho Chehab static int vidioc_s_frequency(struct file *file, void *priv, 350b530a447SHans Verkuil const struct v4l2_frequency *f) 351b285192aSMauro Carvalho Chehab { 352b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 353b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 354b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 355b285192aSMauro Carvalho Chehab struct saa7164_port *tsport; 356b285192aSMauro Carvalho Chehab struct dvb_frontend *fe; 357b285192aSMauro Carvalho Chehab 358b285192aSMauro Carvalho Chehab /* TODO: Pull this for the std */ 359b285192aSMauro Carvalho Chehab struct analog_parameters params = { 360b285192aSMauro Carvalho Chehab .mode = V4L2_TUNER_ANALOG_TV, 361b285192aSMauro Carvalho Chehab .audmode = V4L2_TUNER_MODE_STEREO, 362b285192aSMauro Carvalho Chehab .std = port->encodernorm.id, 363b285192aSMauro Carvalho Chehab .frequency = f->frequency 364b285192aSMauro Carvalho Chehab }; 365b285192aSMauro Carvalho Chehab 366b285192aSMauro Carvalho Chehab /* Stop the encoder */ 367b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s() frequency=%d tuner=%d\n", __func__, 368b285192aSMauro Carvalho Chehab f->frequency, f->tuner); 369b285192aSMauro Carvalho Chehab 370b285192aSMauro Carvalho Chehab if (f->tuner != 0) 371b285192aSMauro Carvalho Chehab return -EINVAL; 372b285192aSMauro Carvalho Chehab 373b285192aSMauro Carvalho Chehab if (f->type != V4L2_TUNER_ANALOG_TV) 374b285192aSMauro Carvalho Chehab return -EINVAL; 375b285192aSMauro Carvalho Chehab 376b285192aSMauro Carvalho Chehab port->freq = f->frequency; 377b285192aSMauro Carvalho Chehab 378b285192aSMauro Carvalho Chehab /* Update the hardware */ 379b285192aSMauro Carvalho Chehab if (port->nr == SAA7164_PORT_ENC1) 380b285192aSMauro Carvalho Chehab tsport = &dev->ports[SAA7164_PORT_TS1]; 381b285192aSMauro Carvalho Chehab else 382b285192aSMauro Carvalho Chehab if (port->nr == SAA7164_PORT_ENC2) 383b285192aSMauro Carvalho Chehab tsport = &dev->ports[SAA7164_PORT_TS2]; 384b285192aSMauro Carvalho Chehab else 385b285192aSMauro Carvalho Chehab BUG(); 386b285192aSMauro Carvalho Chehab 387b285192aSMauro Carvalho Chehab fe = tsport->dvb.frontend; 388b285192aSMauro Carvalho Chehab 389b285192aSMauro Carvalho Chehab if (fe && fe->ops.tuner_ops.set_analog_params) 390b285192aSMauro Carvalho Chehab fe->ops.tuner_ops.set_analog_params(fe, ¶ms); 391b285192aSMauro Carvalho Chehab else 392b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__); 393b285192aSMauro Carvalho Chehab 394b285192aSMauro Carvalho Chehab saa7164_encoder_initialize(port); 395b285192aSMauro Carvalho Chehab 396b285192aSMauro Carvalho Chehab return 0; 397b285192aSMauro Carvalho Chehab } 398b285192aSMauro Carvalho Chehab 399b285192aSMauro Carvalho Chehab static int vidioc_g_ctrl(struct file *file, void *priv, 400b285192aSMauro Carvalho Chehab struct v4l2_control *ctl) 401b285192aSMauro Carvalho Chehab { 402b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 403b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 404b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 405b285192aSMauro Carvalho Chehab 406b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s(id=%d, value=%d)\n", __func__, 407b285192aSMauro Carvalho Chehab ctl->id, ctl->value); 408b285192aSMauro Carvalho Chehab 409b285192aSMauro Carvalho Chehab switch (ctl->id) { 410b285192aSMauro Carvalho Chehab case V4L2_CID_BRIGHTNESS: 411b285192aSMauro Carvalho Chehab ctl->value = port->ctl_brightness; 412b285192aSMauro Carvalho Chehab break; 413b285192aSMauro Carvalho Chehab case V4L2_CID_CONTRAST: 414b285192aSMauro Carvalho Chehab ctl->value = port->ctl_contrast; 415b285192aSMauro Carvalho Chehab break; 416b285192aSMauro Carvalho Chehab case V4L2_CID_SATURATION: 417b285192aSMauro Carvalho Chehab ctl->value = port->ctl_saturation; 418b285192aSMauro Carvalho Chehab break; 419b285192aSMauro Carvalho Chehab case V4L2_CID_HUE: 420b285192aSMauro Carvalho Chehab ctl->value = port->ctl_hue; 421b285192aSMauro Carvalho Chehab break; 422b285192aSMauro Carvalho Chehab case V4L2_CID_SHARPNESS: 423b285192aSMauro Carvalho Chehab ctl->value = port->ctl_sharpness; 424b285192aSMauro Carvalho Chehab break; 425b285192aSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 426b285192aSMauro Carvalho Chehab ctl->value = port->ctl_volume; 427b285192aSMauro Carvalho Chehab break; 428b285192aSMauro Carvalho Chehab default: 429b285192aSMauro Carvalho Chehab return -EINVAL; 430b285192aSMauro Carvalho Chehab } 431b285192aSMauro Carvalho Chehab 432b285192aSMauro Carvalho Chehab return 0; 433b285192aSMauro Carvalho Chehab } 434b285192aSMauro Carvalho Chehab 435b285192aSMauro Carvalho Chehab static int vidioc_s_ctrl(struct file *file, void *priv, 436b285192aSMauro Carvalho Chehab struct v4l2_control *ctl) 437b285192aSMauro Carvalho Chehab { 438b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 439b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 440b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 441b285192aSMauro Carvalho Chehab int ret = 0; 442b285192aSMauro Carvalho Chehab 443b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s(id=%d, value=%d)\n", __func__, 444b285192aSMauro Carvalho Chehab ctl->id, ctl->value); 445b285192aSMauro Carvalho Chehab 446b285192aSMauro Carvalho Chehab switch (ctl->id) { 447b285192aSMauro Carvalho Chehab case V4L2_CID_BRIGHTNESS: 448b285192aSMauro Carvalho Chehab if ((ctl->value >= 0) && (ctl->value <= 255)) { 449b285192aSMauro Carvalho Chehab port->ctl_brightness = ctl->value; 450b285192aSMauro Carvalho Chehab saa7164_api_set_usercontrol(port, 451b285192aSMauro Carvalho Chehab PU_BRIGHTNESS_CONTROL); 452b285192aSMauro Carvalho Chehab } else 453b285192aSMauro Carvalho Chehab ret = -EINVAL; 454b285192aSMauro Carvalho Chehab break; 455b285192aSMauro Carvalho Chehab case V4L2_CID_CONTRAST: 456b285192aSMauro Carvalho Chehab if ((ctl->value >= 0) && (ctl->value <= 255)) { 457b285192aSMauro Carvalho Chehab port->ctl_contrast = ctl->value; 458b285192aSMauro Carvalho Chehab saa7164_api_set_usercontrol(port, PU_CONTRAST_CONTROL); 459b285192aSMauro Carvalho Chehab } else 460b285192aSMauro Carvalho Chehab ret = -EINVAL; 461b285192aSMauro Carvalho Chehab break; 462b285192aSMauro Carvalho Chehab case V4L2_CID_SATURATION: 463b285192aSMauro Carvalho Chehab if ((ctl->value >= 0) && (ctl->value <= 255)) { 464b285192aSMauro Carvalho Chehab port->ctl_saturation = ctl->value; 465b285192aSMauro Carvalho Chehab saa7164_api_set_usercontrol(port, 466b285192aSMauro Carvalho Chehab PU_SATURATION_CONTROL); 467b285192aSMauro Carvalho Chehab } else 468b285192aSMauro Carvalho Chehab ret = -EINVAL; 469b285192aSMauro Carvalho Chehab break; 470b285192aSMauro Carvalho Chehab case V4L2_CID_HUE: 471b285192aSMauro Carvalho Chehab if ((ctl->value >= 0) && (ctl->value <= 255)) { 472b285192aSMauro Carvalho Chehab port->ctl_hue = ctl->value; 473b285192aSMauro Carvalho Chehab saa7164_api_set_usercontrol(port, PU_HUE_CONTROL); 474b285192aSMauro Carvalho Chehab } else 475b285192aSMauro Carvalho Chehab ret = -EINVAL; 476b285192aSMauro Carvalho Chehab break; 477b285192aSMauro Carvalho Chehab case V4L2_CID_SHARPNESS: 478b285192aSMauro Carvalho Chehab if ((ctl->value >= 0) && (ctl->value <= 255)) { 479b285192aSMauro Carvalho Chehab port->ctl_sharpness = ctl->value; 480b285192aSMauro Carvalho Chehab saa7164_api_set_usercontrol(port, PU_SHARPNESS_CONTROL); 481b285192aSMauro Carvalho Chehab } else 482b285192aSMauro Carvalho Chehab ret = -EINVAL; 483b285192aSMauro Carvalho Chehab break; 484b285192aSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 485b285192aSMauro Carvalho Chehab if ((ctl->value >= -83) && (ctl->value <= 24)) { 486b285192aSMauro Carvalho Chehab port->ctl_volume = ctl->value; 487b285192aSMauro Carvalho Chehab saa7164_api_set_audio_volume(port, port->ctl_volume); 488b285192aSMauro Carvalho Chehab } else 489b285192aSMauro Carvalho Chehab ret = -EINVAL; 490b285192aSMauro Carvalho Chehab break; 491b285192aSMauro Carvalho Chehab default: 492b285192aSMauro Carvalho Chehab ret = -EINVAL; 493b285192aSMauro Carvalho Chehab } 494b285192aSMauro Carvalho Chehab 495b285192aSMauro Carvalho Chehab return ret; 496b285192aSMauro Carvalho Chehab } 497b285192aSMauro Carvalho Chehab 498b285192aSMauro Carvalho Chehab static int saa7164_get_ctrl(struct saa7164_port *port, 499b285192aSMauro Carvalho Chehab struct v4l2_ext_control *ctrl) 500b285192aSMauro Carvalho Chehab { 501b285192aSMauro Carvalho Chehab struct saa7164_encoder_params *params = &port->encoder_params; 502b285192aSMauro Carvalho Chehab 503b285192aSMauro Carvalho Chehab switch (ctrl->id) { 504b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_BITRATE: 505b285192aSMauro Carvalho Chehab ctrl->value = params->bitrate; 506b285192aSMauro Carvalho Chehab break; 507b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_STREAM_TYPE: 508b285192aSMauro Carvalho Chehab ctrl->value = params->stream_type; 509b285192aSMauro Carvalho Chehab break; 510b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_AUDIO_MUTE: 511b285192aSMauro Carvalho Chehab ctrl->value = params->ctl_mute; 512b285192aSMauro Carvalho Chehab break; 513b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_ASPECT: 514b285192aSMauro Carvalho Chehab ctrl->value = params->ctl_aspect; 515b285192aSMauro Carvalho Chehab break; 516b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: 517b285192aSMauro Carvalho Chehab ctrl->value = params->bitrate_mode; 518b285192aSMauro Carvalho Chehab break; 519b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_B_FRAMES: 520b285192aSMauro Carvalho Chehab ctrl->value = params->refdist; 521b285192aSMauro Carvalho Chehab break; 522b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: 523b285192aSMauro Carvalho Chehab ctrl->value = params->bitrate_peak; 524b285192aSMauro Carvalho Chehab break; 525b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_GOP_SIZE: 526b285192aSMauro Carvalho Chehab ctrl->value = params->gop_size; 527b285192aSMauro Carvalho Chehab break; 528b285192aSMauro Carvalho Chehab default: 529b285192aSMauro Carvalho Chehab return -EINVAL; 530b285192aSMauro Carvalho Chehab } 531b285192aSMauro Carvalho Chehab return 0; 532b285192aSMauro Carvalho Chehab } 533b285192aSMauro Carvalho Chehab 534b285192aSMauro Carvalho Chehab static int vidioc_g_ext_ctrls(struct file *file, void *priv, 535b285192aSMauro Carvalho Chehab struct v4l2_ext_controls *ctrls) 536b285192aSMauro Carvalho Chehab { 537b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 538b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 539b285192aSMauro Carvalho Chehab int i, err = 0; 540b285192aSMauro Carvalho Chehab 541b285192aSMauro Carvalho Chehab if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { 542b285192aSMauro Carvalho Chehab for (i = 0; i < ctrls->count; i++) { 543b285192aSMauro Carvalho Chehab struct v4l2_ext_control *ctrl = ctrls->controls + i; 544b285192aSMauro Carvalho Chehab 545b285192aSMauro Carvalho Chehab err = saa7164_get_ctrl(port, ctrl); 546b285192aSMauro Carvalho Chehab if (err) { 547b285192aSMauro Carvalho Chehab ctrls->error_idx = i; 548b285192aSMauro Carvalho Chehab break; 549b285192aSMauro Carvalho Chehab } 550b285192aSMauro Carvalho Chehab } 551b285192aSMauro Carvalho Chehab return err; 552b285192aSMauro Carvalho Chehab 553b285192aSMauro Carvalho Chehab } 554b285192aSMauro Carvalho Chehab 555b285192aSMauro Carvalho Chehab return -EINVAL; 556b285192aSMauro Carvalho Chehab } 557b285192aSMauro Carvalho Chehab 558b285192aSMauro Carvalho Chehab static int saa7164_try_ctrl(struct v4l2_ext_control *ctrl, int ac3) 559b285192aSMauro Carvalho Chehab { 560b285192aSMauro Carvalho Chehab int ret = -EINVAL; 561b285192aSMauro Carvalho Chehab 562b285192aSMauro Carvalho Chehab switch (ctrl->id) { 563b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_BITRATE: 564b285192aSMauro Carvalho Chehab if ((ctrl->value >= ENCODER_MIN_BITRATE) && 565b285192aSMauro Carvalho Chehab (ctrl->value <= ENCODER_MAX_BITRATE)) 566b285192aSMauro Carvalho Chehab ret = 0; 567b285192aSMauro Carvalho Chehab break; 568b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_STREAM_TYPE: 569b285192aSMauro Carvalho Chehab if ((ctrl->value == V4L2_MPEG_STREAM_TYPE_MPEG2_PS) || 570b285192aSMauro Carvalho Chehab (ctrl->value == V4L2_MPEG_STREAM_TYPE_MPEG2_TS)) 571b285192aSMauro Carvalho Chehab ret = 0; 572b285192aSMauro Carvalho Chehab break; 573b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_AUDIO_MUTE: 574b285192aSMauro Carvalho Chehab if ((ctrl->value >= 0) && 575b285192aSMauro Carvalho Chehab (ctrl->value <= 1)) 576b285192aSMauro Carvalho Chehab ret = 0; 577b285192aSMauro Carvalho Chehab break; 578b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_ASPECT: 579b285192aSMauro Carvalho Chehab if ((ctrl->value >= V4L2_MPEG_VIDEO_ASPECT_1x1) && 580b285192aSMauro Carvalho Chehab (ctrl->value <= V4L2_MPEG_VIDEO_ASPECT_221x100)) 581b285192aSMauro Carvalho Chehab ret = 0; 582b285192aSMauro Carvalho Chehab break; 583b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_GOP_SIZE: 584b285192aSMauro Carvalho Chehab if ((ctrl->value >= 0) && 585b285192aSMauro Carvalho Chehab (ctrl->value <= 255)) 586b285192aSMauro Carvalho Chehab ret = 0; 587b285192aSMauro Carvalho Chehab break; 588b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: 589b285192aSMauro Carvalho Chehab if ((ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) || 590b285192aSMauro Carvalho Chehab (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)) 591b285192aSMauro Carvalho Chehab ret = 0; 592b285192aSMauro Carvalho Chehab break; 593b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_B_FRAMES: 594b285192aSMauro Carvalho Chehab if ((ctrl->value >= 1) && 595b285192aSMauro Carvalho Chehab (ctrl->value <= 3)) 596b285192aSMauro Carvalho Chehab ret = 0; 597b285192aSMauro Carvalho Chehab break; 598b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: 599b285192aSMauro Carvalho Chehab if ((ctrl->value >= ENCODER_MIN_BITRATE) && 600b285192aSMauro Carvalho Chehab (ctrl->value <= ENCODER_MAX_BITRATE)) 601b285192aSMauro Carvalho Chehab ret = 0; 602b285192aSMauro Carvalho Chehab break; 603b285192aSMauro Carvalho Chehab default: 604b285192aSMauro Carvalho Chehab ret = -EINVAL; 605b285192aSMauro Carvalho Chehab } 606b285192aSMauro Carvalho Chehab 607b285192aSMauro Carvalho Chehab return ret; 608b285192aSMauro Carvalho Chehab } 609b285192aSMauro Carvalho Chehab 610b285192aSMauro Carvalho Chehab static int vidioc_try_ext_ctrls(struct file *file, void *priv, 611b285192aSMauro Carvalho Chehab struct v4l2_ext_controls *ctrls) 612b285192aSMauro Carvalho Chehab { 613b285192aSMauro Carvalho Chehab int i, err = 0; 614b285192aSMauro Carvalho Chehab 615b285192aSMauro Carvalho Chehab if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { 616b285192aSMauro Carvalho Chehab for (i = 0; i < ctrls->count; i++) { 617b285192aSMauro Carvalho Chehab struct v4l2_ext_control *ctrl = ctrls->controls + i; 618b285192aSMauro Carvalho Chehab 619b285192aSMauro Carvalho Chehab err = saa7164_try_ctrl(ctrl, 0); 620b285192aSMauro Carvalho Chehab if (err) { 621b285192aSMauro Carvalho Chehab ctrls->error_idx = i; 622b285192aSMauro Carvalho Chehab break; 623b285192aSMauro Carvalho Chehab } 624b285192aSMauro Carvalho Chehab } 625b285192aSMauro Carvalho Chehab return err; 626b285192aSMauro Carvalho Chehab } 627b285192aSMauro Carvalho Chehab 628b285192aSMauro Carvalho Chehab return -EINVAL; 629b285192aSMauro Carvalho Chehab } 630b285192aSMauro Carvalho Chehab 631b285192aSMauro Carvalho Chehab static int saa7164_set_ctrl(struct saa7164_port *port, 632b285192aSMauro Carvalho Chehab struct v4l2_ext_control *ctrl) 633b285192aSMauro Carvalho Chehab { 634b285192aSMauro Carvalho Chehab struct saa7164_encoder_params *params = &port->encoder_params; 635b285192aSMauro Carvalho Chehab int ret = 0; 636b285192aSMauro Carvalho Chehab 637b285192aSMauro Carvalho Chehab switch (ctrl->id) { 638b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_BITRATE: 639b285192aSMauro Carvalho Chehab params->bitrate = ctrl->value; 640b285192aSMauro Carvalho Chehab break; 641b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_STREAM_TYPE: 642b285192aSMauro Carvalho Chehab params->stream_type = ctrl->value; 643b285192aSMauro Carvalho Chehab break; 644b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_AUDIO_MUTE: 645b285192aSMauro Carvalho Chehab params->ctl_mute = ctrl->value; 646b285192aSMauro Carvalho Chehab ret = saa7164_api_audio_mute(port, params->ctl_mute); 647b285192aSMauro Carvalho Chehab if (ret != SAA_OK) { 648b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, 649b285192aSMauro Carvalho Chehab ret); 650b285192aSMauro Carvalho Chehab ret = -EIO; 651b285192aSMauro Carvalho Chehab } 652b285192aSMauro Carvalho Chehab break; 653b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_ASPECT: 654b285192aSMauro Carvalho Chehab params->ctl_aspect = ctrl->value; 655b285192aSMauro Carvalho Chehab ret = saa7164_api_set_aspect_ratio(port); 656b285192aSMauro Carvalho Chehab if (ret != SAA_OK) { 657b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, 658b285192aSMauro Carvalho Chehab ret); 659b285192aSMauro Carvalho Chehab ret = -EIO; 660b285192aSMauro Carvalho Chehab } 661b285192aSMauro Carvalho Chehab break; 662b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: 663b285192aSMauro Carvalho Chehab params->bitrate_mode = ctrl->value; 664b285192aSMauro Carvalho Chehab break; 665b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_B_FRAMES: 666b285192aSMauro Carvalho Chehab params->refdist = ctrl->value; 667b285192aSMauro Carvalho Chehab break; 668b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: 669b285192aSMauro Carvalho Chehab params->bitrate_peak = ctrl->value; 670b285192aSMauro Carvalho Chehab break; 671b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_GOP_SIZE: 672b285192aSMauro Carvalho Chehab params->gop_size = ctrl->value; 673b285192aSMauro Carvalho Chehab break; 674b285192aSMauro Carvalho Chehab default: 675b285192aSMauro Carvalho Chehab return -EINVAL; 676b285192aSMauro Carvalho Chehab } 677b285192aSMauro Carvalho Chehab 678b285192aSMauro Carvalho Chehab /* TODO: Update the hardware */ 679b285192aSMauro Carvalho Chehab 680b285192aSMauro Carvalho Chehab return ret; 681b285192aSMauro Carvalho Chehab } 682b285192aSMauro Carvalho Chehab 683b285192aSMauro Carvalho Chehab static int vidioc_s_ext_ctrls(struct file *file, void *priv, 684b285192aSMauro Carvalho Chehab struct v4l2_ext_controls *ctrls) 685b285192aSMauro Carvalho Chehab { 686b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 687b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 688b285192aSMauro Carvalho Chehab int i, err = 0; 689b285192aSMauro Carvalho Chehab 690b285192aSMauro Carvalho Chehab if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { 691b285192aSMauro Carvalho Chehab for (i = 0; i < ctrls->count; i++) { 692b285192aSMauro Carvalho Chehab struct v4l2_ext_control *ctrl = ctrls->controls + i; 693b285192aSMauro Carvalho Chehab 694b285192aSMauro Carvalho Chehab err = saa7164_try_ctrl(ctrl, 0); 695b285192aSMauro Carvalho Chehab if (err) { 696b285192aSMauro Carvalho Chehab ctrls->error_idx = i; 697b285192aSMauro Carvalho Chehab break; 698b285192aSMauro Carvalho Chehab } 699b285192aSMauro Carvalho Chehab err = saa7164_set_ctrl(port, ctrl); 700b285192aSMauro Carvalho Chehab if (err) { 701b285192aSMauro Carvalho Chehab ctrls->error_idx = i; 702b285192aSMauro Carvalho Chehab break; 703b285192aSMauro Carvalho Chehab } 704b285192aSMauro Carvalho Chehab } 705b285192aSMauro Carvalho Chehab return err; 706b285192aSMauro Carvalho Chehab 707b285192aSMauro Carvalho Chehab } 708b285192aSMauro Carvalho Chehab 709b285192aSMauro Carvalho Chehab return -EINVAL; 710b285192aSMauro Carvalho Chehab } 711b285192aSMauro Carvalho Chehab 712b285192aSMauro Carvalho Chehab static int vidioc_querycap(struct file *file, void *priv, 713b285192aSMauro Carvalho Chehab struct v4l2_capability *cap) 714b285192aSMauro Carvalho Chehab { 715b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 716b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 717b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 718b285192aSMauro Carvalho Chehab 719b285192aSMauro Carvalho Chehab strcpy(cap->driver, dev->name); 720b285192aSMauro Carvalho Chehab strlcpy(cap->card, saa7164_boards[dev->board].name, 721b285192aSMauro Carvalho Chehab sizeof(cap->card)); 722b285192aSMauro Carvalho Chehab sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 723b285192aSMauro Carvalho Chehab 724b285192aSMauro Carvalho Chehab cap->capabilities = 725b285192aSMauro Carvalho Chehab V4L2_CAP_VIDEO_CAPTURE | 726b285192aSMauro Carvalho Chehab V4L2_CAP_READWRITE | 727b285192aSMauro Carvalho Chehab 0; 728b285192aSMauro Carvalho Chehab 729b285192aSMauro Carvalho Chehab cap->capabilities |= V4L2_CAP_TUNER; 730b285192aSMauro Carvalho Chehab cap->version = 0; 731b285192aSMauro Carvalho Chehab 732b285192aSMauro Carvalho Chehab return 0; 733b285192aSMauro Carvalho Chehab } 734b285192aSMauro Carvalho Chehab 735b285192aSMauro Carvalho Chehab static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 736b285192aSMauro Carvalho Chehab struct v4l2_fmtdesc *f) 737b285192aSMauro Carvalho Chehab { 738b285192aSMauro Carvalho Chehab if (f->index != 0) 739b285192aSMauro Carvalho Chehab return -EINVAL; 740b285192aSMauro Carvalho Chehab 741b285192aSMauro Carvalho Chehab strlcpy(f->description, "MPEG", sizeof(f->description)); 742b285192aSMauro Carvalho Chehab f->pixelformat = V4L2_PIX_FMT_MPEG; 743b285192aSMauro Carvalho Chehab 744b285192aSMauro Carvalho Chehab return 0; 745b285192aSMauro Carvalho Chehab } 746b285192aSMauro Carvalho Chehab 747b285192aSMauro Carvalho Chehab static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 748b285192aSMauro Carvalho Chehab struct v4l2_format *f) 749b285192aSMauro Carvalho Chehab { 750b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 751b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 752b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 753b285192aSMauro Carvalho Chehab 754b285192aSMauro Carvalho Chehab f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 755b285192aSMauro Carvalho Chehab f->fmt.pix.bytesperline = 0; 756b285192aSMauro Carvalho Chehab f->fmt.pix.sizeimage = 757b285192aSMauro Carvalho Chehab port->ts_packet_size * port->ts_packet_count; 758b285192aSMauro Carvalho Chehab f->fmt.pix.colorspace = 0; 759b285192aSMauro Carvalho Chehab f->fmt.pix.width = port->width; 760b285192aSMauro Carvalho Chehab f->fmt.pix.height = port->height; 761b285192aSMauro Carvalho Chehab 762b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "VIDIOC_G_FMT: w: %d, h: %d\n", 763b285192aSMauro Carvalho Chehab port->width, port->height); 764b285192aSMauro Carvalho Chehab 765b285192aSMauro Carvalho Chehab return 0; 766b285192aSMauro Carvalho Chehab } 767b285192aSMauro Carvalho Chehab 768b285192aSMauro Carvalho Chehab static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 769b285192aSMauro Carvalho Chehab struct v4l2_format *f) 770b285192aSMauro Carvalho Chehab { 771b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 772b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 773b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 774b285192aSMauro Carvalho Chehab 775b285192aSMauro Carvalho Chehab f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 776b285192aSMauro Carvalho Chehab f->fmt.pix.bytesperline = 0; 777b285192aSMauro Carvalho Chehab f->fmt.pix.sizeimage = 778b285192aSMauro Carvalho Chehab port->ts_packet_size * port->ts_packet_count; 779b285192aSMauro Carvalho Chehab f->fmt.pix.colorspace = 0; 780b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "VIDIOC_TRY_FMT: w: %d, h: %d\n", 781b285192aSMauro Carvalho Chehab port->width, port->height); 782b285192aSMauro Carvalho Chehab return 0; 783b285192aSMauro Carvalho Chehab } 784b285192aSMauro Carvalho Chehab 785b285192aSMauro Carvalho Chehab static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 786b285192aSMauro Carvalho Chehab struct v4l2_format *f) 787b285192aSMauro Carvalho Chehab { 788b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 789b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 790b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 791b285192aSMauro Carvalho Chehab 792b285192aSMauro Carvalho Chehab f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 793b285192aSMauro Carvalho Chehab f->fmt.pix.bytesperline = 0; 794b285192aSMauro Carvalho Chehab f->fmt.pix.sizeimage = 795b285192aSMauro Carvalho Chehab port->ts_packet_size * port->ts_packet_count; 796b285192aSMauro Carvalho Chehab f->fmt.pix.colorspace = 0; 797b285192aSMauro Carvalho Chehab 798b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n", 799b285192aSMauro Carvalho Chehab f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); 800b285192aSMauro Carvalho Chehab 801b285192aSMauro Carvalho Chehab return 0; 802b285192aSMauro Carvalho Chehab } 803b285192aSMauro Carvalho Chehab 804b285192aSMauro Carvalho Chehab static int fill_queryctrl(struct saa7164_encoder_params *params, 805b285192aSMauro Carvalho Chehab struct v4l2_queryctrl *c) 806b285192aSMauro Carvalho Chehab { 807b285192aSMauro Carvalho Chehab switch (c->id) { 808b285192aSMauro Carvalho Chehab case V4L2_CID_BRIGHTNESS: 809b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, 0x0, 0xff, 1, 127); 810b285192aSMauro Carvalho Chehab case V4L2_CID_CONTRAST: 811b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, 0x0, 0xff, 1, 66); 812b285192aSMauro Carvalho Chehab case V4L2_CID_SATURATION: 813b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, 0x0, 0xff, 1, 62); 814b285192aSMauro Carvalho Chehab case V4L2_CID_HUE: 815b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, 0x0, 0xff, 1, 128); 816b285192aSMauro Carvalho Chehab case V4L2_CID_SHARPNESS: 817b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, 0x0, 0x0f, 1, 8); 818b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_AUDIO_MUTE: 819b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, 0x0, 0x01, 1, 0); 820b285192aSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 821b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, -83, 24, 1, 20); 822b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_BITRATE: 823b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, 824b285192aSMauro Carvalho Chehab ENCODER_MIN_BITRATE, ENCODER_MAX_BITRATE, 825b285192aSMauro Carvalho Chehab 100000, ENCODER_DEF_BITRATE); 826b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_STREAM_TYPE: 827b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, 828b285192aSMauro Carvalho Chehab V4L2_MPEG_STREAM_TYPE_MPEG2_PS, 829b285192aSMauro Carvalho Chehab V4L2_MPEG_STREAM_TYPE_MPEG2_TS, 830b285192aSMauro Carvalho Chehab 1, V4L2_MPEG_STREAM_TYPE_MPEG2_PS); 831b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_ASPECT: 832b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, 833b285192aSMauro Carvalho Chehab V4L2_MPEG_VIDEO_ASPECT_1x1, 834b285192aSMauro Carvalho Chehab V4L2_MPEG_VIDEO_ASPECT_221x100, 835b285192aSMauro Carvalho Chehab 1, V4L2_MPEG_VIDEO_ASPECT_4x3); 836b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_GOP_SIZE: 837b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, 1, 255, 1, 15); 838b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: 839b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, 840b285192aSMauro Carvalho Chehab V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, 841b285192aSMauro Carvalho Chehab V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 842b285192aSMauro Carvalho Chehab 1, V4L2_MPEG_VIDEO_BITRATE_MODE_VBR); 843b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_B_FRAMES: 844b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, 845b285192aSMauro Carvalho Chehab 1, 3, 1, 1); 846b285192aSMauro Carvalho Chehab case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: 847b285192aSMauro Carvalho Chehab return v4l2_ctrl_query_fill(c, 848b285192aSMauro Carvalho Chehab ENCODER_MIN_BITRATE, ENCODER_MAX_BITRATE, 849b285192aSMauro Carvalho Chehab 100000, ENCODER_DEF_BITRATE); 850b285192aSMauro Carvalho Chehab default: 851b285192aSMauro Carvalho Chehab return -EINVAL; 852b285192aSMauro Carvalho Chehab } 853b285192aSMauro Carvalho Chehab } 854b285192aSMauro Carvalho Chehab 855b285192aSMauro Carvalho Chehab static int vidioc_queryctrl(struct file *file, void *priv, 856b285192aSMauro Carvalho Chehab struct v4l2_queryctrl *c) 857b285192aSMauro Carvalho Chehab { 858b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = priv; 859b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 860b285192aSMauro Carvalho Chehab int i, next; 861b285192aSMauro Carvalho Chehab u32 id = c->id; 862b285192aSMauro Carvalho Chehab 863b285192aSMauro Carvalho Chehab memset(c, 0, sizeof(*c)); 864b285192aSMauro Carvalho Chehab 865b285192aSMauro Carvalho Chehab next = !!(id & V4L2_CTRL_FLAG_NEXT_CTRL); 866b285192aSMauro Carvalho Chehab c->id = id & ~V4L2_CTRL_FLAG_NEXT_CTRL; 867b285192aSMauro Carvalho Chehab 868b285192aSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(saa7164_v4l2_ctrls); i++) { 869b285192aSMauro Carvalho Chehab if (next) { 870b285192aSMauro Carvalho Chehab if (c->id < saa7164_v4l2_ctrls[i]) 871b285192aSMauro Carvalho Chehab c->id = saa7164_v4l2_ctrls[i]; 872b285192aSMauro Carvalho Chehab else 873b285192aSMauro Carvalho Chehab continue; 874b285192aSMauro Carvalho Chehab } 875b285192aSMauro Carvalho Chehab 876b285192aSMauro Carvalho Chehab if (c->id == saa7164_v4l2_ctrls[i]) 877b285192aSMauro Carvalho Chehab return fill_queryctrl(&port->encoder_params, c); 878b285192aSMauro Carvalho Chehab 879b285192aSMauro Carvalho Chehab if (c->id < saa7164_v4l2_ctrls[i]) 880b285192aSMauro Carvalho Chehab break; 881b285192aSMauro Carvalho Chehab } 882b285192aSMauro Carvalho Chehab 883b285192aSMauro Carvalho Chehab return -EINVAL; 884b285192aSMauro Carvalho Chehab } 885b285192aSMauro Carvalho Chehab 886b285192aSMauro Carvalho Chehab static int saa7164_encoder_stop_port(struct saa7164_port *port) 887b285192aSMauro Carvalho Chehab { 888b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 889b285192aSMauro Carvalho Chehab int ret; 890b285192aSMauro Carvalho Chehab 891b285192aSMauro Carvalho Chehab ret = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); 892b285192aSMauro Carvalho Chehab if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { 893b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() stop transition failed, ret = 0x%x\n", 894b285192aSMauro Carvalho Chehab __func__, ret); 895b285192aSMauro Carvalho Chehab ret = -EIO; 896b285192aSMauro Carvalho Chehab } else { 897b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s() Stopped\n", __func__); 898b285192aSMauro Carvalho Chehab ret = 0; 899b285192aSMauro Carvalho Chehab } 900b285192aSMauro Carvalho Chehab 901b285192aSMauro Carvalho Chehab return ret; 902b285192aSMauro Carvalho Chehab } 903b285192aSMauro Carvalho Chehab 904b285192aSMauro Carvalho Chehab static int saa7164_encoder_acquire_port(struct saa7164_port *port) 905b285192aSMauro Carvalho Chehab { 906b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 907b285192aSMauro Carvalho Chehab int ret; 908b285192aSMauro Carvalho Chehab 909b285192aSMauro Carvalho Chehab ret = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); 910b285192aSMauro Carvalho Chehab if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { 911b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() acquire transition failed, ret = 0x%x\n", 912b285192aSMauro Carvalho Chehab __func__, ret); 913b285192aSMauro Carvalho Chehab ret = -EIO; 914b285192aSMauro Carvalho Chehab } else { 915b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s() Acquired\n", __func__); 916b285192aSMauro Carvalho Chehab ret = 0; 917b285192aSMauro Carvalho Chehab } 918b285192aSMauro Carvalho Chehab 919b285192aSMauro Carvalho Chehab return ret; 920b285192aSMauro Carvalho Chehab } 921b285192aSMauro Carvalho Chehab 922b285192aSMauro Carvalho Chehab static int saa7164_encoder_pause_port(struct saa7164_port *port) 923b285192aSMauro Carvalho Chehab { 924b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 925b285192aSMauro Carvalho Chehab int ret; 926b285192aSMauro Carvalho Chehab 927b285192aSMauro Carvalho Chehab ret = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); 928b285192aSMauro Carvalho Chehab if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { 929b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() pause transition failed, ret = 0x%x\n", 930b285192aSMauro Carvalho Chehab __func__, ret); 931b285192aSMauro Carvalho Chehab ret = -EIO; 932b285192aSMauro Carvalho Chehab } else { 933b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s() Paused\n", __func__); 934b285192aSMauro Carvalho Chehab ret = 0; 935b285192aSMauro Carvalho Chehab } 936b285192aSMauro Carvalho Chehab 937b285192aSMauro Carvalho Chehab return ret; 938b285192aSMauro Carvalho Chehab } 939b285192aSMauro Carvalho Chehab 940b285192aSMauro Carvalho Chehab /* Firmware is very windows centric, meaning you have to transition 941b285192aSMauro Carvalho Chehab * the part through AVStream / KS Windows stages, forwards or backwards. 942b285192aSMauro Carvalho Chehab * States are: stopped, acquired (h/w), paused, started. 943b285192aSMauro Carvalho Chehab * We have to leave here will all of the soft buffers on the free list, 944b285192aSMauro Carvalho Chehab * else the cfg_post() func won't have soft buffers to correctly configure. 945b285192aSMauro Carvalho Chehab */ 946b285192aSMauro Carvalho Chehab static int saa7164_encoder_stop_streaming(struct saa7164_port *port) 947b285192aSMauro Carvalho Chehab { 948b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 949b285192aSMauro Carvalho Chehab struct saa7164_buffer *buf; 950b285192aSMauro Carvalho Chehab struct saa7164_user_buffer *ubuf; 951b285192aSMauro Carvalho Chehab struct list_head *c, *n; 952b285192aSMauro Carvalho Chehab int ret; 953b285192aSMauro Carvalho Chehab 954b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr); 955b285192aSMauro Carvalho Chehab 956b285192aSMauro Carvalho Chehab ret = saa7164_encoder_pause_port(port); 957b285192aSMauro Carvalho Chehab ret = saa7164_encoder_acquire_port(port); 958b285192aSMauro Carvalho Chehab ret = saa7164_encoder_stop_port(port); 959b285192aSMauro Carvalho Chehab 960b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s(port=%d) Hardware stopped\n", __func__, 961b285192aSMauro Carvalho Chehab port->nr); 962b285192aSMauro Carvalho Chehab 963b285192aSMauro Carvalho Chehab /* Reset the state of any allocated buffer resources */ 964b285192aSMauro Carvalho Chehab mutex_lock(&port->dmaqueue_lock); 965b285192aSMauro Carvalho Chehab 966b285192aSMauro Carvalho Chehab /* Reset the hard and soft buffer state */ 967b285192aSMauro Carvalho Chehab list_for_each_safe(c, n, &port->dmaqueue.list) { 968b285192aSMauro Carvalho Chehab buf = list_entry(c, struct saa7164_buffer, list); 969b285192aSMauro Carvalho Chehab buf->flags = SAA7164_BUFFER_FREE; 970b285192aSMauro Carvalho Chehab buf->pos = 0; 971b285192aSMauro Carvalho Chehab } 972b285192aSMauro Carvalho Chehab 973b285192aSMauro Carvalho Chehab list_for_each_safe(c, n, &port->list_buf_used.list) { 974b285192aSMauro Carvalho Chehab ubuf = list_entry(c, struct saa7164_user_buffer, list); 975b285192aSMauro Carvalho Chehab ubuf->pos = 0; 976b285192aSMauro Carvalho Chehab list_move_tail(&ubuf->list, &port->list_buf_free.list); 977b285192aSMauro Carvalho Chehab } 978b285192aSMauro Carvalho Chehab 979b285192aSMauro Carvalho Chehab mutex_unlock(&port->dmaqueue_lock); 980b285192aSMauro Carvalho Chehab 981b285192aSMauro Carvalho Chehab /* Free any allocated resources */ 982b285192aSMauro Carvalho Chehab saa7164_encoder_buffers_dealloc(port); 983b285192aSMauro Carvalho Chehab 984b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s(port=%d) Released\n", __func__, port->nr); 985b285192aSMauro Carvalho Chehab 986b285192aSMauro Carvalho Chehab return ret; 987b285192aSMauro Carvalho Chehab } 988b285192aSMauro Carvalho Chehab 989b285192aSMauro Carvalho Chehab static int saa7164_encoder_start_streaming(struct saa7164_port *port) 990b285192aSMauro Carvalho Chehab { 991b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 992b285192aSMauro Carvalho Chehab int result, ret = 0; 993b285192aSMauro Carvalho Chehab 994b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr); 995b285192aSMauro Carvalho Chehab 996b285192aSMauro Carvalho Chehab port->done_first_interrupt = 0; 997b285192aSMauro Carvalho Chehab 998b285192aSMauro Carvalho Chehab /* allocate all of the PCIe DMA buffer resources on the fly, 999b285192aSMauro Carvalho Chehab * allowing switching between TS and PS payloads without 1000b285192aSMauro Carvalho Chehab * requiring a complete driver reload. 1001b285192aSMauro Carvalho Chehab */ 1002b285192aSMauro Carvalho Chehab saa7164_encoder_buffers_alloc(port); 1003b285192aSMauro Carvalho Chehab 1004b285192aSMauro Carvalho Chehab /* Configure the encoder with any cache values */ 1005b285192aSMauro Carvalho Chehab saa7164_api_set_encoder(port); 1006b285192aSMauro Carvalho Chehab saa7164_api_get_encoder(port); 1007b285192aSMauro Carvalho Chehab 1008b285192aSMauro Carvalho Chehab /* Place the empty buffers on the hardware */ 1009b285192aSMauro Carvalho Chehab saa7164_buffer_cfg_port(port); 1010b285192aSMauro Carvalho Chehab 1011b285192aSMauro Carvalho Chehab /* Acquire the hardware */ 1012b285192aSMauro Carvalho Chehab result = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); 1013b285192aSMauro Carvalho Chehab if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { 1014b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() acquire transition failed, res = 0x%x\n", 1015b285192aSMauro Carvalho Chehab __func__, result); 1016b285192aSMauro Carvalho Chehab 1017b285192aSMauro Carvalho Chehab /* Stop the hardware, regardless */ 1018b285192aSMauro Carvalho Chehab result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); 1019b285192aSMauro Carvalho Chehab if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { 1020b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() acquire/forced stop transition " 1021b285192aSMauro Carvalho Chehab "failed, res = 0x%x\n", __func__, result); 1022b285192aSMauro Carvalho Chehab } 1023b285192aSMauro Carvalho Chehab ret = -EIO; 1024b285192aSMauro Carvalho Chehab goto out; 1025b285192aSMauro Carvalho Chehab } else 1026b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s() Acquired\n", __func__); 1027b285192aSMauro Carvalho Chehab 1028b285192aSMauro Carvalho Chehab /* Pause the hardware */ 1029b285192aSMauro Carvalho Chehab result = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); 1030b285192aSMauro Carvalho Chehab if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { 1031b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() pause transition failed, res = 0x%x\n", 1032b285192aSMauro Carvalho Chehab __func__, result); 1033b285192aSMauro Carvalho Chehab 1034b285192aSMauro Carvalho Chehab /* Stop the hardware, regardless */ 1035b285192aSMauro Carvalho Chehab result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); 1036b285192aSMauro Carvalho Chehab if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { 1037b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() pause/forced stop transition " 1038b285192aSMauro Carvalho Chehab "failed, res = 0x%x\n", __func__, result); 1039b285192aSMauro Carvalho Chehab } 1040b285192aSMauro Carvalho Chehab 1041b285192aSMauro Carvalho Chehab ret = -EIO; 1042b285192aSMauro Carvalho Chehab goto out; 1043b285192aSMauro Carvalho Chehab } else 1044b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s() Paused\n", __func__); 1045b285192aSMauro Carvalho Chehab 1046b285192aSMauro Carvalho Chehab /* Start the hardware */ 1047b285192aSMauro Carvalho Chehab result = saa7164_api_transition_port(port, SAA_DMASTATE_RUN); 1048b285192aSMauro Carvalho Chehab if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { 1049b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() run transition failed, result = 0x%x\n", 1050b285192aSMauro Carvalho Chehab __func__, result); 1051b285192aSMauro Carvalho Chehab 1052b285192aSMauro Carvalho Chehab /* Stop the hardware, regardless */ 1053b285192aSMauro Carvalho Chehab result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); 1054b285192aSMauro Carvalho Chehab if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { 1055b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() run/forced stop transition " 1056b285192aSMauro Carvalho Chehab "failed, res = 0x%x\n", __func__, result); 1057b285192aSMauro Carvalho Chehab } 1058b285192aSMauro Carvalho Chehab 1059b285192aSMauro Carvalho Chehab ret = -EIO; 1060b285192aSMauro Carvalho Chehab } else 1061b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s() Running\n", __func__); 1062b285192aSMauro Carvalho Chehab 1063b285192aSMauro Carvalho Chehab out: 1064b285192aSMauro Carvalho Chehab return ret; 1065b285192aSMauro Carvalho Chehab } 1066b285192aSMauro Carvalho Chehab 1067b285192aSMauro Carvalho Chehab static int fops_open(struct file *file) 1068b285192aSMauro Carvalho Chehab { 1069b285192aSMauro Carvalho Chehab struct saa7164_dev *dev; 1070b285192aSMauro Carvalho Chehab struct saa7164_port *port; 1071b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh; 1072b285192aSMauro Carvalho Chehab 1073b285192aSMauro Carvalho Chehab port = (struct saa7164_port *)video_get_drvdata(video_devdata(file)); 1074b285192aSMauro Carvalho Chehab if (!port) 1075b285192aSMauro Carvalho Chehab return -ENODEV; 1076b285192aSMauro Carvalho Chehab 1077b285192aSMauro Carvalho Chehab dev = port->dev; 1078b285192aSMauro Carvalho Chehab 1079b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s()\n", __func__); 1080b285192aSMauro Carvalho Chehab 1081b285192aSMauro Carvalho Chehab /* allocate + initialize per filehandle data */ 1082b285192aSMauro Carvalho Chehab fh = kzalloc(sizeof(*fh), GFP_KERNEL); 1083b285192aSMauro Carvalho Chehab if (NULL == fh) 1084b285192aSMauro Carvalho Chehab return -ENOMEM; 1085b285192aSMauro Carvalho Chehab 1086b285192aSMauro Carvalho Chehab file->private_data = fh; 1087b285192aSMauro Carvalho Chehab fh->port = port; 1088b285192aSMauro Carvalho Chehab 1089b285192aSMauro Carvalho Chehab return 0; 1090b285192aSMauro Carvalho Chehab } 1091b285192aSMauro Carvalho Chehab 1092b285192aSMauro Carvalho Chehab static int fops_release(struct file *file) 1093b285192aSMauro Carvalho Chehab { 1094b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 1095b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 1096b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 1097b285192aSMauro Carvalho Chehab 1098b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s()\n", __func__); 1099b285192aSMauro Carvalho Chehab 1100b285192aSMauro Carvalho Chehab /* Shut device down on last close */ 1101b285192aSMauro Carvalho Chehab if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) { 1102b285192aSMauro Carvalho Chehab if (atomic_dec_return(&port->v4l_reader_count) == 0) { 1103b285192aSMauro Carvalho Chehab /* stop mpeg capture then cancel buffers */ 1104b285192aSMauro Carvalho Chehab saa7164_encoder_stop_streaming(port); 1105b285192aSMauro Carvalho Chehab } 1106b285192aSMauro Carvalho Chehab } 1107b285192aSMauro Carvalho Chehab 1108b285192aSMauro Carvalho Chehab file->private_data = NULL; 1109b285192aSMauro Carvalho Chehab kfree(fh); 1110b285192aSMauro Carvalho Chehab 1111b285192aSMauro Carvalho Chehab return 0; 1112b285192aSMauro Carvalho Chehab } 1113b285192aSMauro Carvalho Chehab 11145faf7db8SMauro Carvalho Chehab static struct 11155faf7db8SMauro Carvalho Chehab saa7164_user_buffer *saa7164_enc_next_buf(struct saa7164_port *port) 1116b285192aSMauro Carvalho Chehab { 1117b285192aSMauro Carvalho Chehab struct saa7164_user_buffer *ubuf = NULL; 1118b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 1119b285192aSMauro Carvalho Chehab u32 crc; 1120b285192aSMauro Carvalho Chehab 1121b285192aSMauro Carvalho Chehab mutex_lock(&port->dmaqueue_lock); 1122b285192aSMauro Carvalho Chehab if (!list_empty(&port->list_buf_used.list)) { 1123b285192aSMauro Carvalho Chehab ubuf = list_first_entry(&port->list_buf_used.list, 1124b285192aSMauro Carvalho Chehab struct saa7164_user_buffer, list); 1125b285192aSMauro Carvalho Chehab 1126b285192aSMauro Carvalho Chehab if (crc_checking) { 1127b285192aSMauro Carvalho Chehab crc = crc32(0, ubuf->data, ubuf->actual_size); 1128b285192aSMauro Carvalho Chehab if (crc != ubuf->crc) { 1129b285192aSMauro Carvalho Chehab printk(KERN_ERR 1130b285192aSMauro Carvalho Chehab "%s() ubuf %p crc became invalid, was 0x%x became 0x%x\n", 1131b285192aSMauro Carvalho Chehab __func__, 1132b285192aSMauro Carvalho Chehab ubuf, ubuf->crc, crc); 1133b285192aSMauro Carvalho Chehab } 1134b285192aSMauro Carvalho Chehab } 1135b285192aSMauro Carvalho Chehab 1136b285192aSMauro Carvalho Chehab } 1137b285192aSMauro Carvalho Chehab mutex_unlock(&port->dmaqueue_lock); 1138b285192aSMauro Carvalho Chehab 1139b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s() returns %p\n", __func__, ubuf); 1140b285192aSMauro Carvalho Chehab 1141b285192aSMauro Carvalho Chehab return ubuf; 1142b285192aSMauro Carvalho Chehab } 1143b285192aSMauro Carvalho Chehab 1144b285192aSMauro Carvalho Chehab static ssize_t fops_read(struct file *file, char __user *buffer, 1145b285192aSMauro Carvalho Chehab size_t count, loff_t *pos) 1146b285192aSMauro Carvalho Chehab { 1147b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = file->private_data; 1148b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 1149b285192aSMauro Carvalho Chehab struct saa7164_user_buffer *ubuf = NULL; 1150b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 1151b285192aSMauro Carvalho Chehab int ret = 0; 1152b285192aSMauro Carvalho Chehab int rem, cnt; 1153b285192aSMauro Carvalho Chehab u8 *p; 1154b285192aSMauro Carvalho Chehab 1155b285192aSMauro Carvalho Chehab port->last_read_msecs_diff = port->last_read_msecs; 1156b285192aSMauro Carvalho Chehab port->last_read_msecs = jiffies_to_msecs(jiffies); 1157b285192aSMauro Carvalho Chehab port->last_read_msecs_diff = port->last_read_msecs - 1158b285192aSMauro Carvalho Chehab port->last_read_msecs_diff; 1159b285192aSMauro Carvalho Chehab 1160b285192aSMauro Carvalho Chehab saa7164_histogram_update(&port->read_interval, 1161b285192aSMauro Carvalho Chehab port->last_read_msecs_diff); 1162b285192aSMauro Carvalho Chehab 1163b285192aSMauro Carvalho Chehab if (*pos) { 1164b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() ESPIPE\n", __func__); 1165b285192aSMauro Carvalho Chehab return -ESPIPE; 1166b285192aSMauro Carvalho Chehab } 1167b285192aSMauro Carvalho Chehab 1168b285192aSMauro Carvalho Chehab if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) { 1169b285192aSMauro Carvalho Chehab if (atomic_inc_return(&port->v4l_reader_count) == 1) { 1170b285192aSMauro Carvalho Chehab 1171b285192aSMauro Carvalho Chehab if (saa7164_encoder_initialize(port) < 0) { 1172b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() EINVAL\n", __func__); 1173b285192aSMauro Carvalho Chehab return -EINVAL; 1174b285192aSMauro Carvalho Chehab } 1175b285192aSMauro Carvalho Chehab 1176b285192aSMauro Carvalho Chehab saa7164_encoder_start_streaming(port); 1177b285192aSMauro Carvalho Chehab msleep(200); 1178b285192aSMauro Carvalho Chehab } 1179b285192aSMauro Carvalho Chehab } 1180b285192aSMauro Carvalho Chehab 1181b285192aSMauro Carvalho Chehab /* blocking wait for buffer */ 1182b285192aSMauro Carvalho Chehab if ((file->f_flags & O_NONBLOCK) == 0) { 1183b285192aSMauro Carvalho Chehab if (wait_event_interruptible(port->wait_read, 1184b285192aSMauro Carvalho Chehab saa7164_enc_next_buf(port))) { 1185b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() ERESTARTSYS\n", __func__); 1186b285192aSMauro Carvalho Chehab return -ERESTARTSYS; 1187b285192aSMauro Carvalho Chehab } 1188b285192aSMauro Carvalho Chehab } 1189b285192aSMauro Carvalho Chehab 1190b285192aSMauro Carvalho Chehab /* Pull the first buffer from the used list */ 1191b285192aSMauro Carvalho Chehab ubuf = saa7164_enc_next_buf(port); 1192b285192aSMauro Carvalho Chehab 1193b285192aSMauro Carvalho Chehab while ((count > 0) && ubuf) { 1194b285192aSMauro Carvalho Chehab 1195b285192aSMauro Carvalho Chehab /* set remaining bytes to copy */ 1196b285192aSMauro Carvalho Chehab rem = ubuf->actual_size - ubuf->pos; 1197b285192aSMauro Carvalho Chehab cnt = rem > count ? count : rem; 1198b285192aSMauro Carvalho Chehab 1199b285192aSMauro Carvalho Chehab p = ubuf->data + ubuf->pos; 1200b285192aSMauro Carvalho Chehab 1201b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, 1202b285192aSMauro Carvalho Chehab "%s() count=%d cnt=%d rem=%d buf=%p buf->pos=%d\n", 1203b285192aSMauro Carvalho Chehab __func__, (int)count, cnt, rem, ubuf, ubuf->pos); 1204b285192aSMauro Carvalho Chehab 1205b285192aSMauro Carvalho Chehab if (copy_to_user(buffer, p, cnt)) { 1206b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() copy_to_user failed\n", __func__); 1207b285192aSMauro Carvalho Chehab if (!ret) { 1208b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() EFAULT\n", __func__); 1209b285192aSMauro Carvalho Chehab ret = -EFAULT; 1210b285192aSMauro Carvalho Chehab } 1211b285192aSMauro Carvalho Chehab goto err; 1212b285192aSMauro Carvalho Chehab } 1213b285192aSMauro Carvalho Chehab 1214b285192aSMauro Carvalho Chehab ubuf->pos += cnt; 1215b285192aSMauro Carvalho Chehab count -= cnt; 1216b285192aSMauro Carvalho Chehab buffer += cnt; 1217b285192aSMauro Carvalho Chehab ret += cnt; 1218b285192aSMauro Carvalho Chehab 1219b285192aSMauro Carvalho Chehab if (ubuf->pos > ubuf->actual_size) 1220b285192aSMauro Carvalho Chehab printk(KERN_ERR "read() pos > actual, huh?\n"); 1221b285192aSMauro Carvalho Chehab 1222b285192aSMauro Carvalho Chehab if (ubuf->pos == ubuf->actual_size) { 1223b285192aSMauro Carvalho Chehab 1224b285192aSMauro Carvalho Chehab /* finished with current buffer, take next buffer */ 1225b285192aSMauro Carvalho Chehab 1226b285192aSMauro Carvalho Chehab /* Requeue the buffer on the free list */ 1227b285192aSMauro Carvalho Chehab ubuf->pos = 0; 1228b285192aSMauro Carvalho Chehab 1229b285192aSMauro Carvalho Chehab mutex_lock(&port->dmaqueue_lock); 1230b285192aSMauro Carvalho Chehab list_move_tail(&ubuf->list, &port->list_buf_free.list); 1231b285192aSMauro Carvalho Chehab mutex_unlock(&port->dmaqueue_lock); 1232b285192aSMauro Carvalho Chehab 1233b285192aSMauro Carvalho Chehab /* Dequeue next */ 1234b285192aSMauro Carvalho Chehab if ((file->f_flags & O_NONBLOCK) == 0) { 1235b285192aSMauro Carvalho Chehab if (wait_event_interruptible(port->wait_read, 1236b285192aSMauro Carvalho Chehab saa7164_enc_next_buf(port))) { 1237b285192aSMauro Carvalho Chehab break; 1238b285192aSMauro Carvalho Chehab } 1239b285192aSMauro Carvalho Chehab } 1240b285192aSMauro Carvalho Chehab ubuf = saa7164_enc_next_buf(port); 1241b285192aSMauro Carvalho Chehab } 1242b285192aSMauro Carvalho Chehab } 1243b285192aSMauro Carvalho Chehab err: 1244b285192aSMauro Carvalho Chehab if (!ret && !ubuf) 1245b285192aSMauro Carvalho Chehab ret = -EAGAIN; 1246b285192aSMauro Carvalho Chehab 1247b285192aSMauro Carvalho Chehab return ret; 1248b285192aSMauro Carvalho Chehab } 1249b285192aSMauro Carvalho Chehab 1250b285192aSMauro Carvalho Chehab static unsigned int fops_poll(struct file *file, poll_table *wait) 1251b285192aSMauro Carvalho Chehab { 1252b285192aSMauro Carvalho Chehab struct saa7164_encoder_fh *fh = 1253b285192aSMauro Carvalho Chehab (struct saa7164_encoder_fh *)file->private_data; 1254b285192aSMauro Carvalho Chehab struct saa7164_port *port = fh->port; 1255b285192aSMauro Carvalho Chehab unsigned int mask = 0; 1256b285192aSMauro Carvalho Chehab 1257b285192aSMauro Carvalho Chehab port->last_poll_msecs_diff = port->last_poll_msecs; 1258b285192aSMauro Carvalho Chehab port->last_poll_msecs = jiffies_to_msecs(jiffies); 1259b285192aSMauro Carvalho Chehab port->last_poll_msecs_diff = port->last_poll_msecs - 1260b285192aSMauro Carvalho Chehab port->last_poll_msecs_diff; 1261b285192aSMauro Carvalho Chehab 1262b285192aSMauro Carvalho Chehab saa7164_histogram_update(&port->poll_interval, 1263b285192aSMauro Carvalho Chehab port->last_poll_msecs_diff); 1264b285192aSMauro Carvalho Chehab 1265b285192aSMauro Carvalho Chehab if (!video_is_registered(port->v4l_device)) 1266b285192aSMauro Carvalho Chehab return -EIO; 1267b285192aSMauro Carvalho Chehab 1268b285192aSMauro Carvalho Chehab if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) { 1269b285192aSMauro Carvalho Chehab if (atomic_inc_return(&port->v4l_reader_count) == 1) { 1270b285192aSMauro Carvalho Chehab if (saa7164_encoder_initialize(port) < 0) 1271b285192aSMauro Carvalho Chehab return -EINVAL; 1272b285192aSMauro Carvalho Chehab saa7164_encoder_start_streaming(port); 1273b285192aSMauro Carvalho Chehab msleep(200); 1274b285192aSMauro Carvalho Chehab } 1275b285192aSMauro Carvalho Chehab } 1276b285192aSMauro Carvalho Chehab 1277b285192aSMauro Carvalho Chehab /* blocking wait for buffer */ 1278b285192aSMauro Carvalho Chehab if ((file->f_flags & O_NONBLOCK) == 0) { 1279b285192aSMauro Carvalho Chehab if (wait_event_interruptible(port->wait_read, 1280b285192aSMauro Carvalho Chehab saa7164_enc_next_buf(port))) { 1281b285192aSMauro Carvalho Chehab return -ERESTARTSYS; 1282b285192aSMauro Carvalho Chehab } 1283b285192aSMauro Carvalho Chehab } 1284b285192aSMauro Carvalho Chehab 1285b285192aSMauro Carvalho Chehab /* Pull the first buffer from the used list */ 1286b285192aSMauro Carvalho Chehab if (!list_empty(&port->list_buf_used.list)) 1287b285192aSMauro Carvalho Chehab mask |= POLLIN | POLLRDNORM; 1288b285192aSMauro Carvalho Chehab 1289b285192aSMauro Carvalho Chehab return mask; 1290b285192aSMauro Carvalho Chehab } 1291b285192aSMauro Carvalho Chehab 1292b285192aSMauro Carvalho Chehab static const struct v4l2_file_operations mpeg_fops = { 1293b285192aSMauro Carvalho Chehab .owner = THIS_MODULE, 1294b285192aSMauro Carvalho Chehab .open = fops_open, 1295b285192aSMauro Carvalho Chehab .release = fops_release, 1296b285192aSMauro Carvalho Chehab .read = fops_read, 1297b285192aSMauro Carvalho Chehab .poll = fops_poll, 1298b285192aSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 1299b285192aSMauro Carvalho Chehab }; 1300b285192aSMauro Carvalho Chehab 1301b285192aSMauro Carvalho Chehab static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { 1302b285192aSMauro Carvalho Chehab .vidioc_s_std = vidioc_s_std, 13038d2d41e9SHans Verkuil .vidioc_g_std = vidioc_g_std, 1304b285192aSMauro Carvalho Chehab .vidioc_enum_input = vidioc_enum_input, 1305b285192aSMauro Carvalho Chehab .vidioc_g_input = vidioc_g_input, 1306b285192aSMauro Carvalho Chehab .vidioc_s_input = vidioc_s_input, 1307b285192aSMauro Carvalho Chehab .vidioc_g_tuner = vidioc_g_tuner, 1308b285192aSMauro Carvalho Chehab .vidioc_s_tuner = vidioc_s_tuner, 1309b285192aSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 1310b285192aSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 1311b285192aSMauro Carvalho Chehab .vidioc_s_ctrl = vidioc_s_ctrl, 1312b285192aSMauro Carvalho Chehab .vidioc_g_ctrl = vidioc_g_ctrl, 1313b285192aSMauro Carvalho Chehab .vidioc_querycap = vidioc_querycap, 1314b285192aSMauro Carvalho Chehab .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1315b285192aSMauro Carvalho Chehab .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1316b285192aSMauro Carvalho Chehab .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1317b285192aSMauro Carvalho Chehab .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1318b285192aSMauro Carvalho Chehab .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls, 1319b285192aSMauro Carvalho Chehab .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls, 1320b285192aSMauro Carvalho Chehab .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls, 1321b285192aSMauro Carvalho Chehab .vidioc_queryctrl = vidioc_queryctrl, 1322b285192aSMauro Carvalho Chehab }; 1323b285192aSMauro Carvalho Chehab 1324b285192aSMauro Carvalho Chehab static struct video_device saa7164_mpeg_template = { 1325b285192aSMauro Carvalho Chehab .name = "saa7164", 1326b285192aSMauro Carvalho Chehab .fops = &mpeg_fops, 1327b285192aSMauro Carvalho Chehab .ioctl_ops = &mpeg_ioctl_ops, 1328b285192aSMauro Carvalho Chehab .minor = -1, 1329b285192aSMauro Carvalho Chehab .tvnorms = SAA7164_NORMS, 1330b285192aSMauro Carvalho Chehab }; 1331b285192aSMauro Carvalho Chehab 1332b285192aSMauro Carvalho Chehab static struct video_device *saa7164_encoder_alloc( 1333b285192aSMauro Carvalho Chehab struct saa7164_port *port, 1334b285192aSMauro Carvalho Chehab struct pci_dev *pci, 1335b285192aSMauro Carvalho Chehab struct video_device *template, 1336b285192aSMauro Carvalho Chehab char *type) 1337b285192aSMauro Carvalho Chehab { 1338b285192aSMauro Carvalho Chehab struct video_device *vfd; 1339b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 1340b285192aSMauro Carvalho Chehab 1341b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s()\n", __func__); 1342b285192aSMauro Carvalho Chehab 1343b285192aSMauro Carvalho Chehab vfd = video_device_alloc(); 1344b285192aSMauro Carvalho Chehab if (NULL == vfd) 1345b285192aSMauro Carvalho Chehab return NULL; 1346b285192aSMauro Carvalho Chehab 1347b285192aSMauro Carvalho Chehab *vfd = *template; 1348b285192aSMauro Carvalho Chehab snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, 1349b285192aSMauro Carvalho Chehab type, saa7164_boards[dev->board].name); 1350b285192aSMauro Carvalho Chehab 1351b285192aSMauro Carvalho Chehab vfd->parent = &pci->dev; 1352b285192aSMauro Carvalho Chehab vfd->release = video_device_release; 1353b285192aSMauro Carvalho Chehab return vfd; 1354b285192aSMauro Carvalho Chehab } 1355b285192aSMauro Carvalho Chehab 1356b285192aSMauro Carvalho Chehab int saa7164_encoder_register(struct saa7164_port *port) 1357b285192aSMauro Carvalho Chehab { 1358b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 1359b285192aSMauro Carvalho Chehab int result = -ENODEV; 1360b285192aSMauro Carvalho Chehab 1361b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s()\n", __func__); 1362b285192aSMauro Carvalho Chehab 1363b285192aSMauro Carvalho Chehab if (port->type != SAA7164_MPEG_ENCODER) 1364b285192aSMauro Carvalho Chehab BUG(); 1365b285192aSMauro Carvalho Chehab 1366b285192aSMauro Carvalho Chehab /* Sanity check that the PCI configuration space is active */ 1367b285192aSMauro Carvalho Chehab if (port->hwcfg.BARLocation == 0) { 1368b285192aSMauro Carvalho Chehab printk(KERN_ERR "%s() failed " 1369b285192aSMauro Carvalho Chehab "(errno = %d), NO PCI configuration\n", 1370b285192aSMauro Carvalho Chehab __func__, result); 1371b285192aSMauro Carvalho Chehab result = -ENOMEM; 1372b285192aSMauro Carvalho Chehab goto failed; 1373b285192aSMauro Carvalho Chehab } 1374b285192aSMauro Carvalho Chehab 1375b285192aSMauro Carvalho Chehab /* Establish encoder defaults here */ 1376b285192aSMauro Carvalho Chehab /* Set default TV standard */ 1377b285192aSMauro Carvalho Chehab port->encodernorm = saa7164_tvnorms[0]; 1378b285192aSMauro Carvalho Chehab port->width = 720; 1379b285192aSMauro Carvalho Chehab port->mux_input = 1; /* Composite */ 1380b285192aSMauro Carvalho Chehab port->video_format = EU_VIDEO_FORMAT_MPEG_2; 1381b285192aSMauro Carvalho Chehab port->audio_format = 0; 1382b285192aSMauro Carvalho Chehab port->video_resolution = 0; 1383b285192aSMauro Carvalho Chehab port->ctl_brightness = 127; 1384b285192aSMauro Carvalho Chehab port->ctl_contrast = 66; 1385b285192aSMauro Carvalho Chehab port->ctl_hue = 128; 1386b285192aSMauro Carvalho Chehab port->ctl_saturation = 62; 1387b285192aSMauro Carvalho Chehab port->ctl_sharpness = 8; 1388b285192aSMauro Carvalho Chehab port->encoder_params.bitrate = ENCODER_DEF_BITRATE; 1389b285192aSMauro Carvalho Chehab port->encoder_params.bitrate_peak = ENCODER_DEF_BITRATE; 1390b285192aSMauro Carvalho Chehab port->encoder_params.bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_CBR; 1391b285192aSMauro Carvalho Chehab port->encoder_params.stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS; 1392b285192aSMauro Carvalho Chehab port->encoder_params.ctl_mute = 0; 1393b285192aSMauro Carvalho Chehab port->encoder_params.ctl_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3; 1394b285192aSMauro Carvalho Chehab port->encoder_params.refdist = 1; 1395b285192aSMauro Carvalho Chehab port->encoder_params.gop_size = SAA7164_ENCODER_DEFAULT_GOP_SIZE; 13968d2d41e9SHans Verkuil port->std = V4L2_STD_NTSC_M; 1397b285192aSMauro Carvalho Chehab 1398b285192aSMauro Carvalho Chehab if (port->encodernorm.id & V4L2_STD_525_60) 1399b285192aSMauro Carvalho Chehab port->height = 480; 1400b285192aSMauro Carvalho Chehab else 1401b285192aSMauro Carvalho Chehab port->height = 576; 1402b285192aSMauro Carvalho Chehab 1403b285192aSMauro Carvalho Chehab /* Allocate and register the video device node */ 1404b285192aSMauro Carvalho Chehab port->v4l_device = saa7164_encoder_alloc(port, 1405b285192aSMauro Carvalho Chehab dev->pci, &saa7164_mpeg_template, "mpeg"); 1406b285192aSMauro Carvalho Chehab 1407b285192aSMauro Carvalho Chehab if (!port->v4l_device) { 1408b285192aSMauro Carvalho Chehab printk(KERN_INFO "%s: can't allocate mpeg device\n", 1409b285192aSMauro Carvalho Chehab dev->name); 1410b285192aSMauro Carvalho Chehab result = -ENOMEM; 1411b285192aSMauro Carvalho Chehab goto failed; 1412b285192aSMauro Carvalho Chehab } 1413b285192aSMauro Carvalho Chehab 1414b285192aSMauro Carvalho Chehab video_set_drvdata(port->v4l_device, port); 1415b285192aSMauro Carvalho Chehab result = video_register_device(port->v4l_device, 1416b285192aSMauro Carvalho Chehab VFL_TYPE_GRABBER, -1); 1417b285192aSMauro Carvalho Chehab if (result < 0) { 1418b285192aSMauro Carvalho Chehab printk(KERN_INFO "%s: can't register mpeg device\n", 1419b285192aSMauro Carvalho Chehab dev->name); 1420b285192aSMauro Carvalho Chehab /* TODO: We're going to leak here if we don't dealloc 1421b285192aSMauro Carvalho Chehab The buffers above. The unreg function can't deal wit it. 1422b285192aSMauro Carvalho Chehab */ 1423b285192aSMauro Carvalho Chehab goto failed; 1424b285192aSMauro Carvalho Chehab } 1425b285192aSMauro Carvalho Chehab 1426b285192aSMauro Carvalho Chehab printk(KERN_INFO "%s: registered device video%d [mpeg]\n", 1427b285192aSMauro Carvalho Chehab dev->name, port->v4l_device->num); 1428b285192aSMauro Carvalho Chehab 1429b285192aSMauro Carvalho Chehab /* Configure the hardware defaults */ 1430b285192aSMauro Carvalho Chehab saa7164_api_set_videomux(port); 1431b285192aSMauro Carvalho Chehab saa7164_api_set_usercontrol(port, PU_BRIGHTNESS_CONTROL); 1432b285192aSMauro Carvalho Chehab saa7164_api_set_usercontrol(port, PU_CONTRAST_CONTROL); 1433b285192aSMauro Carvalho Chehab saa7164_api_set_usercontrol(port, PU_HUE_CONTROL); 1434b285192aSMauro Carvalho Chehab saa7164_api_set_usercontrol(port, PU_SATURATION_CONTROL); 1435b285192aSMauro Carvalho Chehab saa7164_api_set_usercontrol(port, PU_SHARPNESS_CONTROL); 1436b285192aSMauro Carvalho Chehab saa7164_api_audio_mute(port, 0); 1437b285192aSMauro Carvalho Chehab saa7164_api_set_audio_volume(port, 20); 1438b285192aSMauro Carvalho Chehab saa7164_api_set_aspect_ratio(port); 1439b285192aSMauro Carvalho Chehab 1440b285192aSMauro Carvalho Chehab /* Disable audio standard detection, it's buggy */ 1441b285192aSMauro Carvalho Chehab saa7164_api_set_audio_detection(port, 0); 1442b285192aSMauro Carvalho Chehab 1443b285192aSMauro Carvalho Chehab saa7164_api_set_encoder(port); 1444b285192aSMauro Carvalho Chehab saa7164_api_get_encoder(port); 1445b285192aSMauro Carvalho Chehab 1446b285192aSMauro Carvalho Chehab result = 0; 1447b285192aSMauro Carvalho Chehab failed: 1448b285192aSMauro Carvalho Chehab return result; 1449b285192aSMauro Carvalho Chehab } 1450b285192aSMauro Carvalho Chehab 1451b285192aSMauro Carvalho Chehab void saa7164_encoder_unregister(struct saa7164_port *port) 1452b285192aSMauro Carvalho Chehab { 1453b285192aSMauro Carvalho Chehab struct saa7164_dev *dev = port->dev; 1454b285192aSMauro Carvalho Chehab 1455b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr); 1456b285192aSMauro Carvalho Chehab 1457b285192aSMauro Carvalho Chehab if (port->type != SAA7164_MPEG_ENCODER) 1458b285192aSMauro Carvalho Chehab BUG(); 1459b285192aSMauro Carvalho Chehab 1460b285192aSMauro Carvalho Chehab if (port->v4l_device) { 1461b285192aSMauro Carvalho Chehab if (port->v4l_device->minor != -1) 1462b285192aSMauro Carvalho Chehab video_unregister_device(port->v4l_device); 1463b285192aSMauro Carvalho Chehab else 1464b285192aSMauro Carvalho Chehab video_device_release(port->v4l_device); 1465b285192aSMauro Carvalho Chehab 1466b285192aSMauro Carvalho Chehab port->v4l_device = NULL; 1467b285192aSMauro Carvalho Chehab } 1468b285192aSMauro Carvalho Chehab 1469b285192aSMauro Carvalho Chehab dprintk(DBGLVL_ENC, "%s(port=%d) done\n", __func__, port->nr); 1470b285192aSMauro Carvalho Chehab } 1471b285192aSMauro Carvalho Chehab 1472