Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1 | /* |
| 2 | ioctl control functions |
| 3 | Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com> |
| 4 | Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl> |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #include "ivtv-driver.h" |
| 22 | #include "ivtv-cards.h" |
| 23 | #include "ivtv-ioctl.h" |
| 24 | #include "ivtv-audio.h" |
| 25 | #include "ivtv-i2c.h" |
| 26 | #include "ivtv-mailbox.h" |
| 27 | #include "ivtv-controls.h" |
| 28 | |
| 29 | static const u32 user_ctrls[] = { |
| 30 | V4L2_CID_USER_CLASS, |
| 31 | V4L2_CID_BRIGHTNESS, |
| 32 | V4L2_CID_CONTRAST, |
| 33 | V4L2_CID_SATURATION, |
| 34 | V4L2_CID_HUE, |
| 35 | V4L2_CID_AUDIO_VOLUME, |
| 36 | V4L2_CID_AUDIO_BALANCE, |
| 37 | V4L2_CID_AUDIO_BASS, |
| 38 | V4L2_CID_AUDIO_TREBLE, |
| 39 | V4L2_CID_AUDIO_MUTE, |
| 40 | V4L2_CID_AUDIO_LOUDNESS, |
| 41 | 0 |
| 42 | }; |
| 43 | |
| 44 | static const u32 *ctrl_classes[] = { |
| 45 | user_ctrls, |
| 46 | cx2341x_mpeg_ctrls, |
| 47 | NULL |
| 48 | }; |
| 49 | |
| 50 | static int ivtv_queryctrl(struct ivtv *itv, struct v4l2_queryctrl *qctrl) |
| 51 | { |
| 52 | const char *name; |
| 53 | |
| 54 | IVTV_DEBUG_IOCTL("VIDIOC_QUERYCTRL(%08x)\n", qctrl->id); |
| 55 | |
| 56 | qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); |
| 57 | if (qctrl->id == 0) |
| 58 | return -EINVAL; |
| 59 | |
| 60 | switch (qctrl->id) { |
| 61 | /* Standard V4L2 controls */ |
| 62 | case V4L2_CID_BRIGHTNESS: |
| 63 | case V4L2_CID_HUE: |
| 64 | case V4L2_CID_SATURATION: |
| 65 | case V4L2_CID_CONTRAST: |
| 66 | if (itv->video_dec_func(itv, VIDIOC_QUERYCTRL, qctrl)) |
| 67 | qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; |
| 68 | return 0; |
| 69 | |
| 70 | case V4L2_CID_AUDIO_VOLUME: |
| 71 | case V4L2_CID_AUDIO_MUTE: |
| 72 | case V4L2_CID_AUDIO_BALANCE: |
| 73 | case V4L2_CID_AUDIO_BASS: |
| 74 | case V4L2_CID_AUDIO_TREBLE: |
| 75 | case V4L2_CID_AUDIO_LOUDNESS: |
| 76 | if (ivtv_i2c_hw(itv, itv->card->hw_audio_ctrl, VIDIOC_QUERYCTRL, qctrl)) |
| 77 | qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; |
| 78 | return 0; |
| 79 | |
| 80 | default: |
| 81 | if (cx2341x_ctrl_query(&itv->params, qctrl)) |
| 82 | qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; |
| 83 | return 0; |
| 84 | } |
| 85 | strncpy(qctrl->name, name, sizeof(qctrl->name) - 1); |
| 86 | qctrl->name[sizeof(qctrl->name) - 1] = 0; |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 | static int ivtv_querymenu(struct ivtv *itv, struct v4l2_querymenu *qmenu) |
| 91 | { |
| 92 | struct v4l2_queryctrl qctrl; |
| 93 | |
| 94 | qctrl.id = qmenu->id; |
| 95 | ivtv_queryctrl(itv, &qctrl); |
| 96 | return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id)); |
| 97 | } |
| 98 | |
| 99 | static int ivtv_s_ctrl(struct ivtv *itv, struct v4l2_control *vctrl) |
| 100 | { |
| 101 | s32 v = vctrl->value; |
| 102 | |
| 103 | IVTV_DEBUG_IOCTL("VIDIOC_S_CTRL(%08x, %x)\n", vctrl->id, v); |
| 104 | |
| 105 | switch (vctrl->id) { |
| 106 | /* Standard V4L2 controls */ |
| 107 | case V4L2_CID_BRIGHTNESS: |
| 108 | case V4L2_CID_HUE: |
| 109 | case V4L2_CID_SATURATION: |
| 110 | case V4L2_CID_CONTRAST: |
| 111 | return itv->video_dec_func(itv, VIDIOC_S_CTRL, vctrl); |
| 112 | |
| 113 | case V4L2_CID_AUDIO_VOLUME: |
| 114 | case V4L2_CID_AUDIO_MUTE: |
| 115 | case V4L2_CID_AUDIO_BALANCE: |
| 116 | case V4L2_CID_AUDIO_BASS: |
| 117 | case V4L2_CID_AUDIO_TREBLE: |
| 118 | case V4L2_CID_AUDIO_LOUDNESS: |
| 119 | return ivtv_i2c_hw(itv, itv->card->hw_audio_ctrl, VIDIOC_S_CTRL, vctrl); |
| 120 | |
| 121 | default: |
| 122 | IVTV_DEBUG_IOCTL("invalid control %x\n", vctrl->id); |
| 123 | return -EINVAL; |
| 124 | } |
| 125 | return 0; |
| 126 | } |
| 127 | |
| 128 | static int ivtv_g_ctrl(struct ivtv *itv, struct v4l2_control *vctrl) |
| 129 | { |
| 130 | IVTV_DEBUG_IOCTL("VIDIOC_G_CTRL(%08x)\n", vctrl->id); |
| 131 | |
| 132 | switch (vctrl->id) { |
| 133 | /* Standard V4L2 controls */ |
| 134 | case V4L2_CID_BRIGHTNESS: |
| 135 | case V4L2_CID_HUE: |
| 136 | case V4L2_CID_SATURATION: |
| 137 | case V4L2_CID_CONTRAST: |
| 138 | return itv->video_dec_func(itv, VIDIOC_G_CTRL, vctrl); |
| 139 | |
| 140 | case V4L2_CID_AUDIO_VOLUME: |
| 141 | case V4L2_CID_AUDIO_MUTE: |
| 142 | case V4L2_CID_AUDIO_BALANCE: |
| 143 | case V4L2_CID_AUDIO_BASS: |
| 144 | case V4L2_CID_AUDIO_TREBLE: |
| 145 | case V4L2_CID_AUDIO_LOUDNESS: |
| 146 | return ivtv_i2c_hw(itv, itv->card->hw_audio_ctrl, VIDIOC_G_CTRL, vctrl); |
| 147 | default: |
| 148 | IVTV_DEBUG_IOCTL("invalid control %x\n", vctrl->id); |
| 149 | return -EINVAL; |
| 150 | } |
| 151 | return 0; |
| 152 | } |
| 153 | |
| 154 | static int ivtv_setup_vbi_fmt(struct ivtv *itv, enum v4l2_mpeg_stream_vbi_fmt fmt) |
| 155 | { |
| 156 | if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_CAPTURE)) |
| 157 | return -EINVAL; |
| 158 | if (atomic_read(&itv->capturing) > 0) |
| 159 | return -EBUSY; |
| 160 | |
| 161 | /* First try to allocate sliced VBI buffers if needed. */ |
| 162 | if (fmt && itv->vbi.sliced_mpeg_data[0] == NULL) { |
| 163 | int i; |
| 164 | |
| 165 | for (i = 0; i < IVTV_VBI_FRAMES; i++) { |
| 166 | /* Yuck, hardcoded. Needs to be a define */ |
| 167 | itv->vbi.sliced_mpeg_data[i] = kmalloc(2049, GFP_KERNEL); |
| 168 | if (itv->vbi.sliced_mpeg_data[i] == NULL) { |
| 169 | while (--i >= 0) { |
| 170 | kfree(itv->vbi.sliced_mpeg_data[i]); |
| 171 | itv->vbi.sliced_mpeg_data[i] = NULL; |
| 172 | } |
| 173 | return -ENOMEM; |
| 174 | } |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | itv->vbi.insert_mpeg = fmt; |
| 179 | |
| 180 | if (itv->vbi.insert_mpeg == 0) { |
| 181 | return 0; |
| 182 | } |
| 183 | /* Need sliced data for mpeg insertion */ |
| 184 | if (get_service_set(itv->vbi.sliced_in) == 0) { |
| 185 | if (itv->is_60hz) |
| 186 | itv->vbi.sliced_in->service_set = V4L2_SLICED_CAPTION_525; |
| 187 | else |
| 188 | itv->vbi.sliced_in->service_set = V4L2_SLICED_WSS_625; |
| 189 | expand_service_set(itv->vbi.sliced_in, itv->is_50hz); |
| 190 | } |
| 191 | return 0; |
| 192 | } |
| 193 | |
| 194 | int ivtv_control_ioctls(struct ivtv *itv, unsigned int cmd, void *arg) |
| 195 | { |
| 196 | struct v4l2_control ctrl; |
| 197 | |
| 198 | switch (cmd) { |
| 199 | case VIDIOC_QUERYMENU: |
| 200 | IVTV_DEBUG_IOCTL("VIDIOC_QUERYMENU\n"); |
| 201 | return ivtv_querymenu(itv, arg); |
| 202 | |
| 203 | case VIDIOC_QUERYCTRL: |
| 204 | return ivtv_queryctrl(itv, arg); |
| 205 | |
| 206 | case VIDIOC_S_CTRL: |
| 207 | return ivtv_s_ctrl(itv, arg); |
| 208 | |
| 209 | case VIDIOC_G_CTRL: |
| 210 | return ivtv_g_ctrl(itv, arg); |
| 211 | |
| 212 | case VIDIOC_S_EXT_CTRLS: |
| 213 | { |
| 214 | struct v4l2_ext_controls *c = arg; |
| 215 | |
| 216 | if (c->ctrl_class == V4L2_CTRL_CLASS_USER) { |
| 217 | int i; |
| 218 | int err = 0; |
| 219 | |
| 220 | for (i = 0; i < c->count; i++) { |
| 221 | ctrl.id = c->controls[i].id; |
| 222 | ctrl.value = c->controls[i].value; |
| 223 | err = ivtv_s_ctrl(itv, &ctrl); |
| 224 | c->controls[i].value = ctrl.value; |
| 225 | if (err) { |
| 226 | c->error_idx = i; |
| 227 | break; |
| 228 | } |
| 229 | } |
| 230 | return err; |
| 231 | } |
| 232 | IVTV_DEBUG_IOCTL("VIDIOC_S_EXT_CTRLS\n"); |
| 233 | if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) { |
| 234 | struct cx2341x_mpeg_params p = itv->params; |
Hans Verkuil | 01f1e44 | 2007-08-21 18:32:42 -0300 | [diff] [blame] | 235 | int err = cx2341x_ext_ctrls(&p, atomic_read(&itv->capturing), arg, cmd); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 236 | |
| 237 | if (err) |
| 238 | return err; |
| 239 | |
| 240 | if (p.video_encoding != itv->params.video_encoding) { |
| 241 | int is_mpeg1 = p.video_encoding == |
| 242 | V4L2_MPEG_VIDEO_ENCODING_MPEG_1; |
| 243 | struct v4l2_format fmt; |
| 244 | |
| 245 | /* fix videodecoder resolution */ |
| 246 | fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 247 | fmt.fmt.pix.width = itv->params.width / (is_mpeg1 ? 2 : 1); |
| 248 | fmt.fmt.pix.height = itv->params.height; |
| 249 | itv->video_dec_func(itv, VIDIOC_S_FMT, &fmt); |
| 250 | } |
| 251 | err = cx2341x_update(itv, ivtv_api_func, &itv->params, &p); |
| 252 | if (!err && itv->params.stream_vbi_fmt != p.stream_vbi_fmt) { |
| 253 | err = ivtv_setup_vbi_fmt(itv, p.stream_vbi_fmt); |
| 254 | } |
| 255 | itv->params = p; |
| 256 | itv->dualwatch_stereo_mode = p.audio_properties & 0x0300; |
| 257 | ivtv_audio_set_audio_clock_freq(itv, p.audio_properties & 0x03); |
| 258 | return err; |
| 259 | } |
| 260 | return -EINVAL; |
| 261 | } |
| 262 | |
| 263 | case VIDIOC_G_EXT_CTRLS: |
| 264 | { |
| 265 | struct v4l2_ext_controls *c = arg; |
| 266 | |
| 267 | if (c->ctrl_class == V4L2_CTRL_CLASS_USER) { |
| 268 | int i; |
| 269 | int err = 0; |
| 270 | |
| 271 | for (i = 0; i < c->count; i++) { |
| 272 | ctrl.id = c->controls[i].id; |
| 273 | ctrl.value = c->controls[i].value; |
| 274 | err = ivtv_g_ctrl(itv, &ctrl); |
| 275 | c->controls[i].value = ctrl.value; |
| 276 | if (err) { |
| 277 | c->error_idx = i; |
| 278 | break; |
| 279 | } |
| 280 | } |
| 281 | return err; |
| 282 | } |
| 283 | IVTV_DEBUG_IOCTL("VIDIOC_G_EXT_CTRLS\n"); |
| 284 | if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) |
Hans Verkuil | 01f1e44 | 2007-08-21 18:32:42 -0300 | [diff] [blame] | 285 | return cx2341x_ext_ctrls(&itv->params, 0, arg, cmd); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 286 | return -EINVAL; |
| 287 | } |
| 288 | |
| 289 | case VIDIOC_TRY_EXT_CTRLS: |
| 290 | { |
| 291 | struct v4l2_ext_controls *c = arg; |
| 292 | |
| 293 | IVTV_DEBUG_IOCTL("VIDIOC_TRY_EXT_CTRLS\n"); |
| 294 | if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) |
Hans Verkuil | 01f1e44 | 2007-08-21 18:32:42 -0300 | [diff] [blame] | 295 | return cx2341x_ext_ctrls(&itv->params, atomic_read(&itv->capturing), arg, cmd); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 296 | return -EINVAL; |
| 297 | } |
| 298 | |
| 299 | default: |
| 300 | return -EINVAL; |
| 301 | } |
| 302 | return 0; |
| 303 | } |