Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 1 | /* |
| 2 | * cx18 init/start/stop/exit stream functions |
| 3 | * |
| 4 | * Derived from ivtv-streams.c |
| 5 | * |
| 6 | * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> |
Andy Walls | 1ed9dcc | 2008-11-22 01:37:34 -0300 | [diff] [blame] | 7 | * Copyright (C) 2008 Andy Walls <awalls@radix.net> |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 22 | * 02111-1307 USA |
| 23 | */ |
| 24 | |
| 25 | #include "cx18-driver.h" |
Andy Walls | b152642 | 2008-08-30 16:03:44 -0300 | [diff] [blame] | 26 | #include "cx18-io.h" |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 27 | #include "cx18-fileops.h" |
| 28 | #include "cx18-mailbox.h" |
| 29 | #include "cx18-i2c.h" |
| 30 | #include "cx18-queue.h" |
| 31 | #include "cx18-ioctl.h" |
| 32 | #include "cx18-streams.h" |
| 33 | #include "cx18-cards.h" |
| 34 | #include "cx18-scb.h" |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 35 | #include "cx18-dvb.h" |
| 36 | |
| 37 | #define CX18_DSP0_INTERRUPT_MASK 0xd0004C |
| 38 | |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 39 | static struct v4l2_file_operations cx18_v4l2_enc_fops = { |
Hans Verkuil | daf20d9 | 2008-05-12 11:21:58 -0300 | [diff] [blame] | 40 | .owner = THIS_MODULE, |
| 41 | .read = cx18_v4l2_read, |
| 42 | .open = cx18_v4l2_open, |
Andy Walls | 3b6fe58 | 2008-06-21 08:36:31 -0300 | [diff] [blame] | 43 | /* FIXME change to video_ioctl2 if serialization lock can be removed */ |
Hans Verkuil | daf20d9 | 2008-05-12 11:21:58 -0300 | [diff] [blame] | 44 | .ioctl = cx18_v4l2_ioctl, |
Hans Verkuil | daf20d9 | 2008-05-12 11:21:58 -0300 | [diff] [blame] | 45 | .release = cx18_v4l2_close, |
| 46 | .poll = cx18_v4l2_enc_poll, |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 47 | }; |
| 48 | |
| 49 | /* offset from 0 to register ts v4l2 minors on */ |
| 50 | #define CX18_V4L2_ENC_TS_OFFSET 16 |
| 51 | /* offset from 0 to register pcm v4l2 minors on */ |
| 52 | #define CX18_V4L2_ENC_PCM_OFFSET 24 |
| 53 | /* offset from 0 to register yuv v4l2 minors on */ |
| 54 | #define CX18_V4L2_ENC_YUV_OFFSET 32 |
| 55 | |
| 56 | static struct { |
| 57 | const char *name; |
| 58 | int vfl_type; |
Hans Verkuil | dd89601 | 2008-10-04 08:36:54 -0300 | [diff] [blame] | 59 | int num_offset; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 60 | int dma; |
| 61 | enum v4l2_buf_type buf_type; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 62 | } cx18_stream_info[] = { |
| 63 | { /* CX18_ENC_STREAM_TYPE_MPG */ |
| 64 | "encoder MPEG", |
| 65 | VFL_TYPE_GRABBER, 0, |
| 66 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 67 | }, |
| 68 | { /* CX18_ENC_STREAM_TYPE_TS */ |
| 69 | "TS", |
| 70 | VFL_TYPE_GRABBER, -1, |
| 71 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 72 | }, |
| 73 | { /* CX18_ENC_STREAM_TYPE_YUV */ |
| 74 | "encoder YUV", |
| 75 | VFL_TYPE_GRABBER, CX18_V4L2_ENC_YUV_OFFSET, |
| 76 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 77 | }, |
| 78 | { /* CX18_ENC_STREAM_TYPE_VBI */ |
| 79 | "encoder VBI", |
| 80 | VFL_TYPE_VBI, 0, |
| 81 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VBI_CAPTURE, |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 82 | }, |
| 83 | { /* CX18_ENC_STREAM_TYPE_PCM */ |
| 84 | "encoder PCM audio", |
| 85 | VFL_TYPE_GRABBER, CX18_V4L2_ENC_PCM_OFFSET, |
| 86 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_PRIVATE, |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 87 | }, |
| 88 | { /* CX18_ENC_STREAM_TYPE_IDX */ |
| 89 | "encoder IDX", |
| 90 | VFL_TYPE_GRABBER, -1, |
| 91 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 92 | }, |
| 93 | { /* CX18_ENC_STREAM_TYPE_RAD */ |
| 94 | "encoder radio", |
| 95 | VFL_TYPE_RADIO, 0, |
| 96 | PCI_DMA_NONE, V4L2_BUF_TYPE_PRIVATE, |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 97 | }, |
| 98 | }; |
| 99 | |
| 100 | static void cx18_stream_init(struct cx18 *cx, int type) |
| 101 | { |
| 102 | struct cx18_stream *s = &cx->streams[type]; |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 103 | struct video_device *video_dev = s->video_dev; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 104 | |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 105 | /* we need to keep video_dev, so restore it afterwards */ |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 106 | memset(s, 0, sizeof(*s)); |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 107 | s->video_dev = video_dev; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 108 | |
| 109 | /* initialize cx18_stream fields */ |
| 110 | s->cx = cx; |
| 111 | s->type = type; |
| 112 | s->name = cx18_stream_info[type].name; |
Andy Walls | d3c5e70 | 2008-08-23 16:42:29 -0300 | [diff] [blame] | 113 | s->handle = CX18_INVALID_TASK_HANDLE; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 114 | |
| 115 | s->dma = cx18_stream_info[type].dma; |
Andy Walls | 6ecd86d | 2008-12-07 23:30:17 -0300 | [diff] [blame] | 116 | s->buffers = cx->stream_buffers[type]; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 117 | s->buf_size = cx->stream_buf_size[type]; |
Andy Walls | 6ecd86d | 2008-12-07 23:30:17 -0300 | [diff] [blame] | 118 | |
Andy Walls | f576cee | 2008-11-16 20:18:05 -0300 | [diff] [blame] | 119 | mutex_init(&s->qlock); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 120 | init_waitqueue_head(&s->waitq); |
| 121 | s->id = -1; |
| 122 | cx18_queue_init(&s->q_free); |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 123 | cx18_queue_init(&s->q_busy); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 124 | cx18_queue_init(&s->q_full); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 125 | } |
| 126 | |
| 127 | static int cx18_prep_dev(struct cx18 *cx, int type) |
| 128 | { |
| 129 | struct cx18_stream *s = &cx->streams[type]; |
| 130 | u32 cap = cx->v4l2_cap; |
Hans Verkuil | dd89601 | 2008-10-04 08:36:54 -0300 | [diff] [blame] | 131 | int num_offset = cx18_stream_info[type].num_offset; |
Andy Walls | 5811cf9 | 2009-02-14 17:08:37 -0300 | [diff] [blame] | 132 | int num = cx->instance + cx18_first_minor + num_offset; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 133 | |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 134 | /* These four fields are always initialized. If video_dev == NULL, then |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 135 | this stream is not in use. In that case no other fields but these |
| 136 | four can be used. */ |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 137 | s->video_dev = NULL; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 138 | s->cx = cx; |
| 139 | s->type = type; |
| 140 | s->name = cx18_stream_info[type].name; |
| 141 | |
| 142 | /* Check whether the radio is supported */ |
| 143 | if (type == CX18_ENC_STREAM_TYPE_RAD && !(cap & V4L2_CAP_RADIO)) |
| 144 | return 0; |
| 145 | |
| 146 | /* Check whether VBI is supported */ |
| 147 | if (type == CX18_ENC_STREAM_TYPE_VBI && |
| 148 | !(cap & (V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE))) |
| 149 | return 0; |
| 150 | |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 151 | /* User explicitly selected 0 buffers for these streams, so don't |
| 152 | create them. */ |
| 153 | if (cx18_stream_info[type].dma != PCI_DMA_NONE && |
Andy Walls | 6ecd86d | 2008-12-07 23:30:17 -0300 | [diff] [blame] | 154 | cx->stream_buffers[type] == 0) { |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 155 | CX18_INFO("Disabled %s device\n", cx18_stream_info[type].name); |
| 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | cx18_stream_init(cx, type); |
| 160 | |
Hans Verkuil | dd89601 | 2008-10-04 08:36:54 -0300 | [diff] [blame] | 161 | if (num_offset == -1) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 162 | return 0; |
| 163 | |
| 164 | /* allocate and initialize the v4l2 video device structure */ |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 165 | s->video_dev = video_device_alloc(); |
| 166 | if (s->video_dev == NULL) { |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 167 | CX18_ERR("Couldn't allocate v4l2 video_device for %s\n", |
| 168 | s->name); |
| 169 | return -ENOMEM; |
| 170 | } |
| 171 | |
Andy Walls | 5811cf9 | 2009-02-14 17:08:37 -0300 | [diff] [blame] | 172 | snprintf(s->video_dev->name, sizeof(s->video_dev->name), "%s %s", |
| 173 | cx->v4l2_dev.name, s->name); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 174 | |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 175 | s->video_dev->num = num; |
Andy Walls | 5811cf9 | 2009-02-14 17:08:37 -0300 | [diff] [blame] | 176 | s->video_dev->v4l2_dev = &cx->v4l2_dev; |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 177 | s->video_dev->fops = &cx18_v4l2_enc_fops; |
| 178 | s->video_dev->release = video_device_release; |
| 179 | s->video_dev->tvnorms = V4L2_STD_ALL; |
| 180 | cx18_set_funcs(s->video_dev); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 181 | return 0; |
| 182 | } |
| 183 | |
| 184 | /* Initialize v4l2 variables and register v4l2 devices */ |
| 185 | int cx18_streams_setup(struct cx18 *cx) |
| 186 | { |
Andy Walls | 9b4a7c8 | 2008-10-18 10:20:25 -0300 | [diff] [blame] | 187 | int type, ret; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 188 | |
| 189 | /* Setup V4L2 Devices */ |
| 190 | for (type = 0; type < CX18_MAX_STREAMS; type++) { |
| 191 | /* Prepare device */ |
Andy Walls | 9b4a7c8 | 2008-10-18 10:20:25 -0300 | [diff] [blame] | 192 | ret = cx18_prep_dev(cx, type); |
| 193 | if (ret < 0) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 194 | break; |
| 195 | |
| 196 | /* Allocate Stream */ |
Andy Walls | 9b4a7c8 | 2008-10-18 10:20:25 -0300 | [diff] [blame] | 197 | ret = cx18_stream_alloc(&cx->streams[type]); |
| 198 | if (ret < 0) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 199 | break; |
| 200 | } |
| 201 | if (type == CX18_MAX_STREAMS) |
| 202 | return 0; |
| 203 | |
| 204 | /* One or more streams could not be initialized. Clean 'em all up. */ |
Hans Verkuil | 3f98387 | 2008-05-01 10:31:12 -0300 | [diff] [blame] | 205 | cx18_streams_cleanup(cx, 0); |
Andy Walls | 9b4a7c8 | 2008-10-18 10:20:25 -0300 | [diff] [blame] | 206 | return ret; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 207 | } |
| 208 | |
| 209 | static int cx18_reg_dev(struct cx18 *cx, int type) |
| 210 | { |
| 211 | struct cx18_stream *s = &cx->streams[type]; |
| 212 | int vfl_type = cx18_stream_info[type].vfl_type; |
Andy Walls | 9b4a7c8 | 2008-10-18 10:20:25 -0300 | [diff] [blame] | 213 | int num, ret; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 214 | |
| 215 | /* TODO: Shouldn't this be a VFL_TYPE_TRANSPORT or something? |
| 216 | * We need a VFL_TYPE_TS defined. |
| 217 | */ |
| 218 | if (strcmp("TS", s->name) == 0) { |
| 219 | /* just return if no DVB is supported */ |
| 220 | if ((cx->card->hw_all & CX18_HW_DVB) == 0) |
| 221 | return 0; |
Andy Walls | 9b4a7c8 | 2008-10-18 10:20:25 -0300 | [diff] [blame] | 222 | ret = cx18_dvb_register(s); |
| 223 | if (ret < 0) { |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 224 | CX18_ERR("DVB failed to register\n"); |
Andy Walls | 9b4a7c8 | 2008-10-18 10:20:25 -0300 | [diff] [blame] | 225 | return ret; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 226 | } |
| 227 | } |
| 228 | |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 229 | if (s->video_dev == NULL) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 230 | return 0; |
| 231 | |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 232 | num = s->video_dev->num; |
Hans Verkuil | dd89601 | 2008-10-04 08:36:54 -0300 | [diff] [blame] | 233 | /* card number + user defined offset + device offset */ |
| 234 | if (type != CX18_ENC_STREAM_TYPE_MPG) { |
| 235 | struct cx18_stream *s_mpg = &cx->streams[CX18_ENC_STREAM_TYPE_MPG]; |
| 236 | |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 237 | if (s_mpg->video_dev) |
| 238 | num = s_mpg->video_dev->num |
| 239 | + cx18_stream_info[type].num_offset; |
Hans Verkuil | dd89601 | 2008-10-04 08:36:54 -0300 | [diff] [blame] | 240 | } |
Andy Walls | 5811cf9 | 2009-02-14 17:08:37 -0300 | [diff] [blame] | 241 | video_set_drvdata(s->video_dev, s); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 242 | |
| 243 | /* Register device. First try the desired minor, then any free one. */ |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 244 | ret = video_register_device(s->video_dev, vfl_type, num); |
Andy Walls | 9b4a7c8 | 2008-10-18 10:20:25 -0300 | [diff] [blame] | 245 | if (ret < 0) { |
Hans Verkuil | dd89601 | 2008-10-04 08:36:54 -0300 | [diff] [blame] | 246 | CX18_ERR("Couldn't register v4l2 device for %s kernel number %d\n", |
| 247 | s->name, num); |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 248 | video_device_release(s->video_dev); |
| 249 | s->video_dev = NULL; |
Andy Walls | 9b4a7c8 | 2008-10-18 10:20:25 -0300 | [diff] [blame] | 250 | return ret; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 251 | } |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 252 | num = s->video_dev->num; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 253 | |
| 254 | switch (vfl_type) { |
| 255 | case VFL_TYPE_GRABBER: |
Andy Walls | 6ecd86d | 2008-12-07 23:30:17 -0300 | [diff] [blame] | 256 | CX18_INFO("Registered device video%d for %s (%d x %d kB)\n", |
| 257 | num, s->name, cx->stream_buffers[type], |
| 258 | cx->stream_buf_size[type]/1024); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 259 | break; |
| 260 | |
| 261 | case VFL_TYPE_RADIO: |
| 262 | CX18_INFO("Registered device radio%d for %s\n", |
Hans Verkuil | dd89601 | 2008-10-04 08:36:54 -0300 | [diff] [blame] | 263 | num, s->name); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 264 | break; |
| 265 | |
| 266 | case VFL_TYPE_VBI: |
Andy Walls | 6ecd86d | 2008-12-07 23:30:17 -0300 | [diff] [blame] | 267 | if (cx->stream_buffers[type]) |
| 268 | CX18_INFO("Registered device vbi%d for %s " |
| 269 | "(%d x %d bytes)\n", |
| 270 | num, s->name, cx->stream_buffers[type], |
| 271 | cx->stream_buf_size[type]); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 272 | else |
| 273 | CX18_INFO("Registered device vbi%d for %s\n", |
Hans Verkuil | dd89601 | 2008-10-04 08:36:54 -0300 | [diff] [blame] | 274 | num, s->name); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 275 | break; |
| 276 | } |
| 277 | |
| 278 | return 0; |
| 279 | } |
| 280 | |
| 281 | /* Register v4l2 devices */ |
| 282 | int cx18_streams_register(struct cx18 *cx) |
| 283 | { |
| 284 | int type; |
Andy Walls | 9b4a7c8 | 2008-10-18 10:20:25 -0300 | [diff] [blame] | 285 | int err; |
| 286 | int ret = 0; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 287 | |
| 288 | /* Register V4L2 devices */ |
Andy Walls | 9b4a7c8 | 2008-10-18 10:20:25 -0300 | [diff] [blame] | 289 | for (type = 0; type < CX18_MAX_STREAMS; type++) { |
| 290 | err = cx18_reg_dev(cx, type); |
| 291 | if (err && ret == 0) |
| 292 | ret = err; |
| 293 | } |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 294 | |
Andy Walls | 9b4a7c8 | 2008-10-18 10:20:25 -0300 | [diff] [blame] | 295 | if (ret == 0) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 296 | return 0; |
| 297 | |
| 298 | /* One or more streams could not be initialized. Clean 'em all up. */ |
Hans Verkuil | 3f98387 | 2008-05-01 10:31:12 -0300 | [diff] [blame] | 299 | cx18_streams_cleanup(cx, 1); |
Andy Walls | 9b4a7c8 | 2008-10-18 10:20:25 -0300 | [diff] [blame] | 300 | return ret; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 301 | } |
| 302 | |
| 303 | /* Unregister v4l2 devices */ |
Hans Verkuil | 3f98387 | 2008-05-01 10:31:12 -0300 | [diff] [blame] | 304 | void cx18_streams_cleanup(struct cx18 *cx, int unregister) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 305 | { |
| 306 | struct video_device *vdev; |
| 307 | int type; |
| 308 | |
| 309 | /* Teardown all streams */ |
| 310 | for (type = 0; type < CX18_MAX_STREAMS; type++) { |
Hans Verkuil | fac3639 | 2008-07-18 10:07:10 -0300 | [diff] [blame] | 311 | if (cx->streams[type].dvb.enabled) { |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 312 | cx18_dvb_unregister(&cx->streams[type]); |
Hans Verkuil | fac3639 | 2008-07-18 10:07:10 -0300 | [diff] [blame] | 313 | cx->streams[type].dvb.enabled = false; |
| 314 | } |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 315 | |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 316 | vdev = cx->streams[type].video_dev; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 317 | |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 318 | cx->streams[type].video_dev = NULL; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 319 | if (vdev == NULL) |
| 320 | continue; |
| 321 | |
| 322 | cx18_stream_free(&cx->streams[type]); |
| 323 | |
Hans Verkuil | 3f98387 | 2008-05-01 10:31:12 -0300 | [diff] [blame] | 324 | /* Unregister or release device */ |
| 325 | if (unregister) |
| 326 | video_unregister_device(vdev); |
| 327 | else |
| 328 | video_device_release(vdev); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 329 | } |
| 330 | } |
| 331 | |
| 332 | static void cx18_vbi_setup(struct cx18_stream *s) |
| 333 | { |
| 334 | struct cx18 *cx = s->cx; |
Andy Walls | dd07343 | 2008-12-12 16:24:04 -0300 | [diff] [blame] | 335 | int raw = cx18_raw_vbi(cx); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 336 | u32 data[CX2341X_MBOX_MAX_DATA]; |
| 337 | int lines; |
| 338 | |
| 339 | if (cx->is_60hz) { |
| 340 | cx->vbi.count = 12; |
| 341 | cx->vbi.start[0] = 10; |
| 342 | cx->vbi.start[1] = 273; |
| 343 | } else { /* PAL/SECAM */ |
| 344 | cx->vbi.count = 18; |
| 345 | cx->vbi.start[0] = 6; |
| 346 | cx->vbi.start[1] = 318; |
| 347 | } |
| 348 | |
| 349 | /* setup VBI registers */ |
Andy Walls | fa3e703 | 2009-02-16 02:23:25 -0300 | [diff] [blame] | 350 | v4l2_subdev_call(cx->sd_av, video, s_fmt, &cx->vbi.in); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 351 | |
Andy Walls | dcc0ef8 | 2009-02-06 18:33:43 -0300 | [diff] [blame] | 352 | /* |
| 353 | * Send the CX18_CPU_SET_RAW_VBI_PARAM API command to setup Encoder Raw |
| 354 | * VBI when the first analog capture channel starts, as once it starts |
| 355 | * (e.g. MPEG), we can't effect any change in the Encoder Raw VBI setup |
| 356 | * (i.e. for the VBI capture channels). We also send it for each |
| 357 | * analog capture channel anyway just to make sure we get the proper |
| 358 | * behavior |
| 359 | */ |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 360 | if (raw) { |
| 361 | lines = cx->vbi.count * 2; |
| 362 | } else { |
Andy Walls | 812b1f9 | 2009-02-08 22:40:04 -0300 | [diff] [blame] | 363 | /* |
| 364 | * For 525/60 systems, according to the VIP 2 & BT.656 std: |
| 365 | * The EAV RP code's Field bit toggles on line 4, a few lines |
| 366 | * after the Vertcal Blank bit has already toggled. |
| 367 | * Tell the encoder to capture 21-4+1=18 lines per field, |
| 368 | * since we want lines 10 through 21. |
| 369 | * |
| 370 | * FIXME - revisit for 625/50 systems |
| 371 | */ |
| 372 | lines = cx->is_60hz ? (21 - 4 + 1) * 2 : 38; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 373 | } |
| 374 | |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 375 | data[0] = s->handle; |
| 376 | /* Lines per field */ |
| 377 | data[1] = (lines / 2) | ((lines / 2) << 16); |
| 378 | /* bytes per line */ |
Andy Walls | 302df97 | 2009-01-31 00:33:02 -0300 | [diff] [blame] | 379 | data[2] = (raw ? vbi_active_samples |
| 380 | : (cx->is_60hz ? vbi_hblank_samples_60Hz |
| 381 | : vbi_hblank_samples_50Hz)); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 382 | /* Every X number of frames a VBI interrupt arrives |
| 383 | (frames as in 25 or 30 fps) */ |
| 384 | data[3] = 1; |
Andy Walls | 302df97 | 2009-01-31 00:33:02 -0300 | [diff] [blame] | 385 | /* |
| 386 | * Set the SAV/EAV RP codes to look for as start/stop points |
| 387 | * when in VIP-1.1 mode |
| 388 | */ |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 389 | if (raw) { |
Andy Walls | 302df97 | 2009-01-31 00:33:02 -0300 | [diff] [blame] | 390 | /* |
| 391 | * Start codes for beginning of "active" line in vertical blank |
| 392 | * 0x20 ( VerticalBlank ) |
| 393 | * 0x60 ( EvenField VerticalBlank ) |
| 394 | */ |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 395 | data[4] = 0x20602060; |
Andy Walls | 302df97 | 2009-01-31 00:33:02 -0300 | [diff] [blame] | 396 | /* |
| 397 | * End codes for end of "active" raw lines and regular lines |
| 398 | * 0x30 ( VerticalBlank HorizontalBlank) |
| 399 | * 0x70 ( EvenField VerticalBlank HorizontalBlank) |
| 400 | * 0x90 (Task HorizontalBlank) |
| 401 | * 0xd0 (Task EvenField HorizontalBlank) |
| 402 | */ |
Andy Walls | af009cf | 2008-12-12 20:00:29 -0300 | [diff] [blame] | 403 | data[5] = 0x307090d0; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 404 | } else { |
Andy Walls | 302df97 | 2009-01-31 00:33:02 -0300 | [diff] [blame] | 405 | /* |
| 406 | * End codes for active video, we want data in the hblank region |
| 407 | * 0xb0 (Task 0 VerticalBlank HorizontalBlank) |
| 408 | * 0xf0 (Task EvenField VerticalBlank HorizontalBlank) |
| 409 | * |
| 410 | * Since the V bit is only allowed to toggle in the EAV RP code, |
| 411 | * just before the first active region line, these two |
Andy Walls | 812b1f9 | 2009-02-08 22:40:04 -0300 | [diff] [blame] | 412 | * are problematic: |
Andy Walls | 302df97 | 2009-01-31 00:33:02 -0300 | [diff] [blame] | 413 | * 0x90 (Task HorizontalBlank) |
| 414 | * 0xd0 (Task EvenField HorizontalBlank) |
Andy Walls | 812b1f9 | 2009-02-08 22:40:04 -0300 | [diff] [blame] | 415 | * |
Andy Walls | af7c58b | 2009-02-28 20:13:50 -0300 | [diff] [blame] | 416 | * We have set the digitzer such that we don't have to worry |
| 417 | * about these problem codes. |
Andy Walls | 302df97 | 2009-01-31 00:33:02 -0300 | [diff] [blame] | 418 | */ |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 419 | data[4] = 0xB0F0B0F0; |
Andy Walls | 302df97 | 2009-01-31 00:33:02 -0300 | [diff] [blame] | 420 | /* |
| 421 | * Start codes for beginning of active line in vertical blank |
| 422 | * 0xa0 (Task VerticalBlank ) |
| 423 | * 0xe0 (Task EvenField VerticalBlank ) |
| 424 | */ |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 425 | data[5] = 0xA0E0A0E0; |
| 426 | } |
| 427 | |
| 428 | CX18_DEBUG_INFO("Setup VBI h: %d lines %x bpl %d fr %d %x %x\n", |
| 429 | data[0], data[1], data[2], data[3], data[4], data[5]); |
| 430 | |
Andy Walls | dcc0ef8 | 2009-02-06 18:33:43 -0300 | [diff] [blame] | 431 | cx18_api(cx, CX18_CPU_SET_RAW_VBI_PARAM, 6, data); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 432 | } |
| 433 | |
Andy Walls | 8711615 | 2009-04-13 22:42:43 -0300 | [diff] [blame^] | 434 | static |
| 435 | struct cx18_queue *_cx18_stream_put_buf_fw(struct cx18_stream *s, |
| 436 | struct cx18_buffer *buf) |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 437 | { |
| 438 | struct cx18 *cx = s->cx; |
| 439 | struct cx18_queue *q; |
| 440 | |
| 441 | /* Don't give it to the firmware, if we're not running a capture */ |
| 442 | if (s->handle == CX18_INVALID_TASK_HANDLE || |
Andy Walls | 8711615 | 2009-04-13 22:42:43 -0300 | [diff] [blame^] | 443 | test_bit(CX18_F_S_STOPPING, &s->s_flags) || |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 444 | !test_bit(CX18_F_S_STREAMING, &s->s_flags)) |
| 445 | return cx18_enqueue(s, buf, &s->q_free); |
| 446 | |
| 447 | q = cx18_enqueue(s, buf, &s->q_busy); |
| 448 | if (q != &s->q_busy) |
| 449 | return q; /* The firmware has the max buffers it can handle */ |
| 450 | |
| 451 | cx18_buf_sync_for_device(s, buf); |
| 452 | cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle, |
| 453 | (void __iomem *) &cx->scb->cpu_mdl[buf->id] - cx->enc_mem, |
| 454 | 1, buf->id, s->buf_size); |
| 455 | return q; |
| 456 | } |
| 457 | |
Andy Walls | 8711615 | 2009-04-13 22:42:43 -0300 | [diff] [blame^] | 458 | static |
| 459 | void _cx18_stream_load_fw_queue(struct cx18_stream *s) |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 460 | { |
Andy Walls | abb096d | 2008-12-12 15:50:27 -0300 | [diff] [blame] | 461 | struct cx18_queue *q; |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 462 | struct cx18_buffer *buf; |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 463 | |
Andy Walls | abb096d | 2008-12-12 15:50:27 -0300 | [diff] [blame] | 464 | if (atomic_read(&s->q_free.buffers) == 0 || |
Andy Walls | 0ef0289 | 2008-12-14 18:52:12 -0300 | [diff] [blame] | 465 | atomic_read(&s->q_busy.buffers) >= CX18_MAX_FW_MDLS_PER_STREAM) |
Andy Walls | abb096d | 2008-12-12 15:50:27 -0300 | [diff] [blame] | 466 | return; |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 467 | |
Andy Walls | abb096d | 2008-12-12 15:50:27 -0300 | [diff] [blame] | 468 | /* Move from q_free to q_busy notifying the firmware, until the limit */ |
| 469 | do { |
| 470 | buf = cx18_dequeue(s, &s->q_free); |
| 471 | if (buf == NULL) |
| 472 | break; |
Andy Walls | 8711615 | 2009-04-13 22:42:43 -0300 | [diff] [blame^] | 473 | q = _cx18_stream_put_buf_fw(s, buf); |
Andy Walls | 0ef0289 | 2008-12-14 18:52:12 -0300 | [diff] [blame] | 474 | } while (atomic_read(&s->q_busy.buffers) < CX18_MAX_FW_MDLS_PER_STREAM |
| 475 | && q == &s->q_busy); |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 476 | } |
| 477 | |
Andy Walls | 8711615 | 2009-04-13 22:42:43 -0300 | [diff] [blame^] | 478 | static inline |
| 479 | void free_out_work_order(struct cx18_out_work_order *order) |
| 480 | { |
| 481 | atomic_set(&order->pending, 0); |
| 482 | } |
| 483 | |
| 484 | void cx18_out_work_handler(struct work_struct *work) |
| 485 | { |
| 486 | struct cx18_out_work_order *order = |
| 487 | container_of(work, struct cx18_out_work_order, work); |
| 488 | struct cx18_stream *s = order->s; |
| 489 | struct cx18_buffer *buf = order->buf; |
| 490 | |
| 491 | free_out_work_order(order); |
| 492 | |
| 493 | if (buf == NULL) |
| 494 | _cx18_stream_load_fw_queue(s); |
| 495 | else |
| 496 | _cx18_stream_put_buf_fw(s, buf); |
| 497 | } |
| 498 | |
| 499 | static |
| 500 | struct cx18_out_work_order *alloc_out_work_order(struct cx18 *cx) |
| 501 | { |
| 502 | int i; |
| 503 | struct cx18_out_work_order *order = NULL; |
| 504 | |
| 505 | for (i = 0; i < CX18_MAX_OUT_WORK_ORDERS; i++) { |
| 506 | /* |
| 507 | * We need "pending" to be atomic to inspect & set its contents |
| 508 | * 1. "pending" is only set to 1 here, but needs multiple access |
| 509 | * protection |
| 510 | * 2. work handler threads only clear "pending" and only |
| 511 | * on one, particular work order at a time, per handler thread. |
| 512 | */ |
| 513 | if (atomic_add_unless(&cx->out_work_order[i].pending, 1, 1)) { |
| 514 | order = &cx->out_work_order[i]; |
| 515 | break; |
| 516 | } |
| 517 | } |
| 518 | return order; |
| 519 | } |
| 520 | |
| 521 | struct cx18_queue *cx18_stream_put_buf_fw(struct cx18_stream *s, |
| 522 | struct cx18_buffer *buf) |
| 523 | { |
| 524 | struct cx18 *cx = s->cx; |
| 525 | struct cx18_out_work_order *order; |
| 526 | |
| 527 | order = alloc_out_work_order(cx); |
| 528 | if (order == NULL) { |
| 529 | CX18_DEBUG_WARN("No blank, outgoing-mailbox, deferred-work, " |
| 530 | "order forms available; sending buffer %u back " |
| 531 | "to the firmware immediately for stream %s\n", |
| 532 | buf->id, s->name); |
| 533 | return _cx18_stream_put_buf_fw(s, buf); |
| 534 | } |
| 535 | order->s = s; |
| 536 | order->buf = buf; |
| 537 | queue_work(cx->out_work_queue, &order->work); |
| 538 | return NULL; |
| 539 | } |
| 540 | |
| 541 | void cx18_stream_load_fw_queue(struct cx18_stream *s) |
| 542 | { |
| 543 | struct cx18 *cx = s->cx; |
| 544 | struct cx18_out_work_order *order; |
| 545 | |
| 546 | order = alloc_out_work_order(cx); |
| 547 | if (order == NULL) { |
| 548 | CX18_DEBUG_WARN("No blank, outgoing-mailbox, deferred-work, " |
| 549 | "order forms available; filling the firmware " |
| 550 | "buffer queue immediately for stream %s\n", |
| 551 | s->name); |
| 552 | _cx18_stream_load_fw_queue(s); |
| 553 | return; |
| 554 | } |
| 555 | order->s = s; |
| 556 | order->buf = NULL; /* Indicates to load the fw queue */ |
| 557 | queue_work(cx->out_work_queue, &order->work); |
| 558 | } |
| 559 | |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 560 | int cx18_start_v4l2_encode_stream(struct cx18_stream *s) |
| 561 | { |
| 562 | u32 data[MAX_MB_ARGUMENTS]; |
| 563 | struct cx18 *cx = s->cx; |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 564 | struct cx18_buffer *buf; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 565 | int captype = 0; |
Andy Walls | dcc0ef8 | 2009-02-06 18:33:43 -0300 | [diff] [blame] | 566 | struct cx18_api_func_private priv; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 567 | |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 568 | if (s->video_dev == NULL && s->dvb.enabled == 0) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 569 | return -EINVAL; |
| 570 | |
| 571 | CX18_DEBUG_INFO("Start encoder stream %s\n", s->name); |
| 572 | |
| 573 | switch (s->type) { |
| 574 | case CX18_ENC_STREAM_TYPE_MPG: |
| 575 | captype = CAPTURE_CHANNEL_TYPE_MPEG; |
| 576 | cx->mpg_data_received = cx->vbi_data_inserted = 0; |
| 577 | cx->dualwatch_jiffies = jiffies; |
| 578 | cx->dualwatch_stereo_mode = cx->params.audio_properties & 0x300; |
| 579 | cx->search_pack_header = 0; |
| 580 | break; |
| 581 | |
| 582 | case CX18_ENC_STREAM_TYPE_TS: |
| 583 | captype = CAPTURE_CHANNEL_TYPE_TS; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 584 | break; |
| 585 | case CX18_ENC_STREAM_TYPE_YUV: |
| 586 | captype = CAPTURE_CHANNEL_TYPE_YUV; |
| 587 | break; |
| 588 | case CX18_ENC_STREAM_TYPE_PCM: |
| 589 | captype = CAPTURE_CHANNEL_TYPE_PCM; |
| 590 | break; |
| 591 | case CX18_ENC_STREAM_TYPE_VBI: |
Andy Walls | dcc0ef8 | 2009-02-06 18:33:43 -0300 | [diff] [blame] | 592 | #ifdef CX18_ENCODER_PARSES_SLICED |
Andy Walls | dd07343 | 2008-12-12 16:24:04 -0300 | [diff] [blame] | 593 | captype = cx18_raw_vbi(cx) ? |
| 594 | CAPTURE_CHANNEL_TYPE_VBI : CAPTURE_CHANNEL_TYPE_SLICED_VBI; |
Andy Walls | dcc0ef8 | 2009-02-06 18:33:43 -0300 | [diff] [blame] | 595 | #else |
| 596 | /* |
| 597 | * Currently we set things up so that Sliced VBI from the |
| 598 | * digitizer is handled as Raw VBI by the encoder |
| 599 | */ |
| 600 | captype = CAPTURE_CHANNEL_TYPE_VBI; |
| 601 | #endif |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 602 | cx->vbi.frame = 0; |
| 603 | cx->vbi.inserted_frame = 0; |
| 604 | memset(cx->vbi.sliced_mpeg_size, |
| 605 | 0, sizeof(cx->vbi.sliced_mpeg_size)); |
| 606 | break; |
| 607 | default: |
| 608 | return -EINVAL; |
| 609 | } |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 610 | |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 611 | /* Clear Streamoff flags in case left from last capture */ |
| 612 | clear_bit(CX18_F_S_STREAMOFF, &s->s_flags); |
| 613 | |
| 614 | cx18_vapi_result(cx, data, CX18_CREATE_TASK, 1, CPU_CMD_MASK_CAPTURE); |
| 615 | s->handle = data[0]; |
| 616 | cx18_vapi(cx, CX18_CPU_SET_CHANNEL_TYPE, 2, s->handle, captype); |
| 617 | |
Andy Walls | dcc0ef8 | 2009-02-06 18:33:43 -0300 | [diff] [blame] | 618 | /* |
| 619 | * For everything but CAPTURE_CHANNEL_TYPE_TS, play it safe and |
| 620 | * set up all the parameters, as it is not obvious which parameters the |
| 621 | * firmware shares across capture channel types and which it does not. |
| 622 | * |
| 623 | * Some of the cx18_vapi() calls below apply to only certain capture |
| 624 | * channel types. We're hoping there's no harm in calling most of them |
| 625 | * anyway, as long as the values are all consistent. Setting some |
| 626 | * shared parameters will have no effect once an analog capture channel |
| 627 | * has started streaming. |
| 628 | */ |
| 629 | if (captype != CAPTURE_CHANNEL_TYPE_TS) { |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 630 | cx18_vapi(cx, CX18_CPU_SET_VER_CROP_LINE, 2, s->handle, 0); |
| 631 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 3, 1); |
| 632 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 8, 0); |
| 633 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 4, 1); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 634 | |
Andy Walls | dcc0ef8 | 2009-02-06 18:33:43 -0300 | [diff] [blame] | 635 | /* |
| 636 | * Audio related reset according to |
| 637 | * Documentation/video4linux/cx2341x/fw-encoder-api.txt |
| 638 | */ |
| 639 | if (atomic_read(&cx->ana_capturing) == 0) |
| 640 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, |
| 641 | s->handle, 12); |
| 642 | |
| 643 | /* |
| 644 | * Number of lines for Field 1 & Field 2 according to |
| 645 | * Documentation/video4linux/cx2341x/fw-encoder-api.txt |
Andy Walls | f37aa51 | 2009-02-07 01:15:44 -0300 | [diff] [blame] | 646 | * Field 1 is 312 for 625 line systems in BT.656 |
| 647 | * Field 2 is 313 for 625 line systems in BT.656 |
Andy Walls | dcc0ef8 | 2009-02-06 18:33:43 -0300 | [diff] [blame] | 648 | */ |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 649 | cx18_vapi(cx, CX18_CPU_SET_CAPTURE_LINE_NO, 3, |
Andy Walls | f37aa51 | 2009-02-07 01:15:44 -0300 | [diff] [blame] | 650 | s->handle, 312, 313); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 651 | |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 652 | if (cx->v4l2_cap & V4L2_CAP_VBI_CAPTURE) |
| 653 | cx18_vbi_setup(s); |
| 654 | |
Andy Walls | dcc0ef8 | 2009-02-06 18:33:43 -0300 | [diff] [blame] | 655 | /* |
| 656 | * assign program index info. |
| 657 | * Mask 7: select I/P/B, Num_req: 400 max |
| 658 | * FIXME - currently we have this hardcoded as disabled |
| 659 | */ |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 660 | cx18_vapi_result(cx, data, CX18_CPU_SET_INDEXTABLE, 1, 0); |
| 661 | |
Andy Walls | dcc0ef8 | 2009-02-06 18:33:43 -0300 | [diff] [blame] | 662 | /* Call out to the common CX2341x API setup for user controls */ |
Andy Walls | 50b86ba | 2008-11-23 19:16:44 -0300 | [diff] [blame] | 663 | priv.cx = cx; |
| 664 | priv.s = s; |
| 665 | cx2341x_update(&priv, cx18_api_func, NULL, &cx->params); |
Andy Walls | dcc0ef8 | 2009-02-06 18:33:43 -0300 | [diff] [blame] | 666 | |
| 667 | /* |
| 668 | * When starting a capture and we're set for radio, |
| 669 | * ensure the video is muted, despite the user control. |
| 670 | */ |
| 671 | if (!cx->params.video_mute && |
| 672 | test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) |
| 673 | cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, s->handle, |
| 674 | (cx->params.video_mute_yuv << 8) | 1); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 675 | } |
| 676 | |
Hans Verkuil | 31554ae | 2008-05-25 11:21:27 -0300 | [diff] [blame] | 677 | if (atomic_read(&cx->tot_capturing) == 0) { |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 678 | clear_bit(CX18_F_I_EOS, &cx->i_flags); |
Andy Walls | b152642 | 2008-08-30 16:03:44 -0300 | [diff] [blame] | 679 | cx18_write_reg(cx, 7, CX18_DSP0_INTERRUPT_MASK); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 680 | } |
| 681 | |
| 682 | cx18_vapi(cx, CX18_CPU_DE_SET_MDL_ACK, 3, s->handle, |
Al Viro | 990c81c | 2008-05-21 00:32:01 -0300 | [diff] [blame] | 683 | (void __iomem *)&cx->scb->cpu_mdl_ack[s->type][0] - cx->enc_mem, |
| 684 | (void __iomem *)&cx->scb->cpu_mdl_ack[s->type][1] - cx->enc_mem); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 685 | |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 686 | /* Init all the cpu_mdls for this stream */ |
| 687 | cx18_flush_queues(s); |
| 688 | mutex_lock(&s->qlock); |
Andy Walls | f6b181a | 2008-12-14 21:05:36 -0300 | [diff] [blame] | 689 | list_for_each_entry(buf, &s->q_free.list, list) { |
Andy Walls | b152642 | 2008-08-30 16:03:44 -0300 | [diff] [blame] | 690 | cx18_writel(cx, buf->dma_handle, |
| 691 | &cx->scb->cpu_mdl[buf->id].paddr); |
| 692 | cx18_writel(cx, s->buf_size, &cx->scb->cpu_mdl[buf->id].length); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 693 | } |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 694 | mutex_unlock(&s->qlock); |
Andy Walls | 8711615 | 2009-04-13 22:42:43 -0300 | [diff] [blame^] | 695 | _cx18_stream_load_fw_queue(s); |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 696 | |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 697 | /* begin_capture */ |
| 698 | if (cx18_vapi(cx, CX18_CPU_CAPTURE_START, 1, s->handle)) { |
| 699 | CX18_DEBUG_WARN("Error starting capture!\n"); |
Andy Walls | 3b5df8e | 2008-08-23 18:36:50 -0300 | [diff] [blame] | 700 | /* Ensure we're really not capturing before releasing MDLs */ |
Andy Walls | 8711615 | 2009-04-13 22:42:43 -0300 | [diff] [blame^] | 701 | set_bit(CX18_F_S_STOPPING, &s->s_flags); |
Andy Walls | 3b5df8e | 2008-08-23 18:36:50 -0300 | [diff] [blame] | 702 | if (s->type == CX18_ENC_STREAM_TYPE_MPG) |
| 703 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, 1); |
| 704 | else |
| 705 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 706 | clear_bit(CX18_F_S_STREAMING, &s->s_flags); |
| 707 | /* FIXME - CX18_F_S_STREAMOFF as well? */ |
Andy Walls | 3b5df8e | 2008-08-23 18:36:50 -0300 | [diff] [blame] | 708 | cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 709 | cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 710 | s->handle = CX18_INVALID_TASK_HANDLE; |
Andy Walls | 8711615 | 2009-04-13 22:42:43 -0300 | [diff] [blame^] | 711 | clear_bit(CX18_F_S_STOPPING, &s->s_flags); |
Andy Walls | 66c2a6b | 2008-12-08 23:02:45 -0300 | [diff] [blame] | 712 | if (atomic_read(&cx->tot_capturing) == 0) { |
| 713 | set_bit(CX18_F_I_EOS, &cx->i_flags); |
| 714 | cx18_write_reg(cx, 5, CX18_DSP0_INTERRUPT_MASK); |
| 715 | } |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 716 | return -EINVAL; |
| 717 | } |
| 718 | |
| 719 | /* you're live! sit back and await interrupts :) */ |
Andy Walls | dcc0ef8 | 2009-02-06 18:33:43 -0300 | [diff] [blame] | 720 | if (captype != CAPTURE_CHANNEL_TYPE_TS) |
Hans Verkuil | 31554ae | 2008-05-25 11:21:27 -0300 | [diff] [blame] | 721 | atomic_inc(&cx->ana_capturing); |
| 722 | atomic_inc(&cx->tot_capturing); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 723 | return 0; |
| 724 | } |
| 725 | |
| 726 | void cx18_stop_all_captures(struct cx18 *cx) |
| 727 | { |
| 728 | int i; |
| 729 | |
| 730 | for (i = CX18_MAX_STREAMS - 1; i >= 0; i--) { |
| 731 | struct cx18_stream *s = &cx->streams[i]; |
| 732 | |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 733 | if (s->video_dev == NULL && s->dvb.enabled == 0) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 734 | continue; |
| 735 | if (test_bit(CX18_F_S_STREAMING, &s->s_flags)) |
| 736 | cx18_stop_v4l2_encode_stream(s, 0); |
| 737 | } |
| 738 | } |
| 739 | |
| 740 | int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) |
| 741 | { |
| 742 | struct cx18 *cx = s->cx; |
| 743 | unsigned long then; |
| 744 | |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 745 | if (s->video_dev == NULL && s->dvb.enabled == 0) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 746 | return -EINVAL; |
| 747 | |
| 748 | /* This function assumes that you are allowed to stop the capture |
| 749 | and that we are actually capturing */ |
| 750 | |
| 751 | CX18_DEBUG_INFO("Stop Capture\n"); |
| 752 | |
Hans Verkuil | 31554ae | 2008-05-25 11:21:27 -0300 | [diff] [blame] | 753 | if (atomic_read(&cx->tot_capturing) == 0) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 754 | return 0; |
| 755 | |
Andy Walls | 8711615 | 2009-04-13 22:42:43 -0300 | [diff] [blame^] | 756 | set_bit(CX18_F_S_STOPPING, &s->s_flags); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 757 | if (s->type == CX18_ENC_STREAM_TYPE_MPG) |
| 758 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, !gop_end); |
| 759 | else |
| 760 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); |
| 761 | |
| 762 | then = jiffies; |
| 763 | |
| 764 | if (s->type == CX18_ENC_STREAM_TYPE_MPG && gop_end) { |
| 765 | CX18_INFO("ignoring gop_end: not (yet?) supported by the firmware\n"); |
| 766 | } |
| 767 | |
Hans Verkuil | 31554ae | 2008-05-25 11:21:27 -0300 | [diff] [blame] | 768 | if (s->type != CX18_ENC_STREAM_TYPE_TS) |
| 769 | atomic_dec(&cx->ana_capturing); |
| 770 | atomic_dec(&cx->tot_capturing); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 771 | |
| 772 | /* Clear capture and no-read bits */ |
| 773 | clear_bit(CX18_F_S_STREAMING, &s->s_flags); |
| 774 | |
Andy Walls | f68d0cf | 2008-11-05 21:19:15 -0300 | [diff] [blame] | 775 | /* Tell the CX23418 it can't use our buffers anymore */ |
| 776 | cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); |
| 777 | |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 778 | cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); |
Andy Walls | d3c5e70 | 2008-08-23 16:42:29 -0300 | [diff] [blame] | 779 | s->handle = CX18_INVALID_TASK_HANDLE; |
Andy Walls | 8711615 | 2009-04-13 22:42:43 -0300 | [diff] [blame^] | 780 | clear_bit(CX18_F_S_STOPPING, &s->s_flags); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 781 | |
Hans Verkuil | 31554ae | 2008-05-25 11:21:27 -0300 | [diff] [blame] | 782 | if (atomic_read(&cx->tot_capturing) > 0) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 783 | return 0; |
| 784 | |
Andy Walls | b152642 | 2008-08-30 16:03:44 -0300 | [diff] [blame] | 785 | cx18_write_reg(cx, 5, CX18_DSP0_INTERRUPT_MASK); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 786 | wake_up(&s->waitq); |
| 787 | |
| 788 | return 0; |
| 789 | } |
| 790 | |
| 791 | u32 cx18_find_handle(struct cx18 *cx) |
| 792 | { |
| 793 | int i; |
| 794 | |
| 795 | /* find first available handle to be used for global settings */ |
| 796 | for (i = 0; i < CX18_MAX_STREAMS; i++) { |
| 797 | struct cx18_stream *s = &cx->streams[i]; |
| 798 | |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 799 | if (s->video_dev && (s->handle != CX18_INVALID_TASK_HANDLE)) |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 800 | return s->handle; |
| 801 | } |
Andy Walls | d3c5e70 | 2008-08-23 16:42:29 -0300 | [diff] [blame] | 802 | return CX18_INVALID_TASK_HANDLE; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 803 | } |
Andy Walls | ee2d64f | 2008-11-16 01:38:19 -0300 | [diff] [blame] | 804 | |
| 805 | struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle) |
| 806 | { |
| 807 | int i; |
| 808 | struct cx18_stream *s; |
| 809 | |
| 810 | if (handle == CX18_INVALID_TASK_HANDLE) |
| 811 | return NULL; |
| 812 | |
| 813 | for (i = 0; i < CX18_MAX_STREAMS; i++) { |
| 814 | s = &cx->streams[i]; |
| 815 | if (s->handle != handle) |
| 816 | continue; |
Andy Walls | 3d05913 | 2009-01-10 21:54:39 -0300 | [diff] [blame] | 817 | if (s->video_dev || s->dvb.enabled) |
Andy Walls | ee2d64f | 2008-11-16 01:38:19 -0300 | [diff] [blame] | 818 | return s; |
| 819 | } |
| 820 | return NULL; |
| 821 | } |