git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c

   1 /*
   2  *
   3  *
   4  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
   5  *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License
  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
  22 #include "pvrusb2-i2c-cmd-v4l2.h"
  23 #include "pvrusb2-hdw-internal.h"
  24 #include "pvrusb2-debug.h"
  25 #include <linux/videodev2.h>
  26 #include <media/v4l2-common.h>
  27
  28 static void execute_init(struct pvr2_hdw *hdw)
  29 {
  30         u32 dummy = 0;
  31         pvr2_trace(PVR2_TRACE_CHIPS, "i2c v4l2 init");
  32         pvr2_i2c_core_cmd(hdw, VIDIOC_INT_INIT, &dummy);
  33 }
  34
  35
  36 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_init = {
  37         .update = execute_init,
  38         .name = "v4l2_init",
  39 };
  40
  41
  42 static void set_standard(struct pvr2_hdw *hdw)
  43 {
  44         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_standard");
  45
  46         if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
  47                 pvr2_i2c_core_cmd(hdw,AUDC_SET_RADIO,NULL);
  48         } else {
  49                 v4l2_std_id vs;
  50                 vs = hdw->std_mask_cur;
  51                 pvr2_i2c_core_cmd(hdw,VIDIOC_S_STD,&vs);
  52         }
  53         hdw->tuner_signal_stale = !0;
  54         hdw->cropcap_stale = !0;
  55 }
  56
  57
  58 static int check_standard(struct pvr2_hdw *hdw)
  59 {
  60         return (hdw->input_dirty != 0) || (hdw->std_dirty != 0);
  61 }
  62
  63
  64 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_standard = {
  65         .check = check_standard,
  66         .update = set_standard,
  67         .name = "v4l2_standard",
  68 };
  69
  70
  71 static void set_bcsh(struct pvr2_hdw *hdw)
  72 {
  73         struct v4l2_control ctrl;
  74         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_bcsh"
  75                    " b=%d c=%d s=%d h=%d",
  76                    hdw->brightness_val,hdw->contrast_val,
  77                    hdw->saturation_val,hdw->hue_val);
  78         memset(&ctrl,0,sizeof(ctrl));
  79         ctrl.id = V4L2_CID_BRIGHTNESS;
  80         ctrl.value = hdw->brightness_val;
  81         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
  82         ctrl.id = V4L2_CID_CONTRAST;
  83         ctrl.value = hdw->contrast_val;
  84         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
  85         ctrl.id = V4L2_CID_SATURATION;
  86         ctrl.value = hdw->saturation_val;
  87         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
  88         ctrl.id = V4L2_CID_HUE;
  89         ctrl.value = hdw->hue_val;
  90         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
  91 }
  92
  93
  94 static int check_bcsh(struct pvr2_hdw *hdw)
  95 {
  96         return (hdw->brightness_dirty ||
  97                 hdw->contrast_dirty ||
  98                 hdw->saturation_dirty ||
  99                 hdw->hue_dirty);
 100 }
 101
 102
 103 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_bcsh = {
 104         .check = check_bcsh,
 105         .update = set_bcsh,
 106         .name = "v4l2_bcsh",
 107 };
 108
 109
 110 static void set_volume(struct pvr2_hdw *hdw)
 111 {
 112         struct v4l2_control ctrl;
 113         pvr2_trace(PVR2_TRACE_CHIPS,
 114                    "i2c v4l2 set_volume"
 115                    "(vol=%d bal=%d bas=%d treb=%d mute=%d)",
 116                    hdw->volume_val,
 117                    hdw->balance_val,
 118                    hdw->bass_val,
 119                    hdw->treble_val,
 120                    hdw->mute_val);
 121         memset(&ctrl,0,sizeof(ctrl));
 122         ctrl.id = V4L2_CID_AUDIO_MUTE;
 123         ctrl.value = hdw->mute_val ? 1 : 0;
 124         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 125         ctrl.id = V4L2_CID_AUDIO_VOLUME;
 126         ctrl.value = hdw->volume_val;
 127         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 128         ctrl.id = V4L2_CID_AUDIO_BALANCE;
 129         ctrl.value = hdw->balance_val;
 130         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 131         ctrl.id = V4L2_CID_AUDIO_BASS;
 132         ctrl.value = hdw->bass_val;
 133         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 134         ctrl.id = V4L2_CID_AUDIO_TREBLE;
 135         ctrl.value = hdw->treble_val;
 136         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 137 }
 138
 139
 140 static int check_volume(struct pvr2_hdw *hdw)
 141 {
 142         return (hdw->volume_dirty ||
 143                 hdw->balance_dirty ||
 144                 hdw->bass_dirty ||
 145                 hdw->treble_dirty ||
 146                 hdw->mute_dirty);
 147 }
 148
 149
 150 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_volume = {
 151         .check = check_volume,
 152         .update = set_volume,
 153         .name = "v4l2_volume",
 154 };
 155
 156
 157 static void set_audiomode(struct pvr2_hdw *hdw)
 158 {
 159         struct v4l2_tuner vt;
 160         memset(&vt,0,sizeof(vt));
 161         vt.audmode = hdw->audiomode_val;
 162         pvr2_i2c_core_cmd(hdw,VIDIOC_S_TUNER,&vt);
 163 }
 164
 165
 166 static int check_audiomode(struct pvr2_hdw *hdw)
 167 {
 168         return (hdw->input_dirty ||
 169                 hdw->audiomode_dirty);
 170 }
 171
 172
 173 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_audiomode = {
 174         .check = check_audiomode,
 175         .update = set_audiomode,
 176         .name = "v4l2_audiomode",
 177 };
 178
 179
 180 static void set_frequency(struct pvr2_hdw *hdw)
 181 {
 182         unsigned long fv;
 183         struct v4l2_frequency freq;
 184         fv = pvr2_hdw_get_cur_freq(hdw);
 185         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_freq(%lu)",fv);
 186         if (hdw->tuner_signal_stale) {
 187                 pvr2_i2c_core_status_poll(hdw);
 188         }
 189         memset(&freq,0,sizeof(freq));
 190         if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) {
 191                 // ((fv * 1000) / 62500)
 192                 freq.frequency = (fv * 2) / 125;
 193         } else {
 194                 freq.frequency = fv / 62500;
 195         }
 196         /* tuner-core currently doesn't seem to care about this, but
 197            let's set it anyway for completeness. */
 198         if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
 199                 freq.type = V4L2_TUNER_RADIO;
 200         } else {
 201                 freq.type = V4L2_TUNER_ANALOG_TV;
 202         }
 203         freq.tuner = 0;
 204         pvr2_i2c_core_cmd(hdw,VIDIOC_S_FREQUENCY,&freq);
 205 }
 206
 207
 208 static int check_frequency(struct pvr2_hdw *hdw)
 209 {
 210         return hdw->freqDirty != 0;
 211 }
 212
 213
 214 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_frequency = {
 215         .check = check_frequency,
 216         .update = set_frequency,
 217         .name = "v4l2_freq",
 218 };
 219
 220
 221 static void set_size(struct pvr2_hdw *hdw)
 222 {
 223         struct v4l2_format fmt;
 224
 225         memset(&fmt,0,sizeof(fmt));
 226
 227         fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 228         fmt.fmt.pix.width = hdw->res_hor_val;
 229         fmt.fmt.pix.height = hdw->res_ver_val;
 230
 231         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_size(%dx%d)",
 232                            fmt.fmt.pix.width,fmt.fmt.pix.height);
 233
 234         pvr2_i2c_core_cmd(hdw,VIDIOC_S_FMT,&fmt);
 235 }
 236
 237
 238 static int check_size(struct pvr2_hdw *hdw)
 239 {
 240         return (hdw->res_hor_dirty || hdw->res_ver_dirty);
 241 }
 242
 243
 244 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size = {
 245         .check = check_size,
 246         .update = set_size,
 247         .name = "v4l2_size",
 248 };
 249
 250
 251 static void set_crop(struct pvr2_hdw *hdw)
 252 {
 253         struct v4l2_crop crop;
 254
 255         memset(&crop, 0, sizeof crop);
 256         crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 257         crop.c.left = hdw->cropl_val;
 258         crop.c.top = hdw->cropt_val;
 259         crop.c.height = hdw->croph_val;
 260         crop.c.width = hdw->cropw_val;
 261
 262         pvr2_trace(PVR2_TRACE_CHIPS,
 263                    "i2c v4l2 set_crop crop=%d:%d:%d:%d",
 264                    crop.c.width, crop.c.height, crop.c.left, crop.c.top);
 265
 266         pvr2_i2c_core_cmd(hdw, VIDIOC_S_CROP, &crop);
 267 }
 268
 269 static int check_crop(struct pvr2_hdw *hdw)
 270 {
 271         return (hdw->cropl_dirty || hdw->cropt_dirty ||
 272                 hdw->cropw_dirty || hdw->croph_dirty);
 273 }
 274
 275 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_crop = {
 276         .check = check_crop,
 277         .update = set_crop,
 278         .name = "v4l2_crop",
 279 };
 280
 281
 282 static void do_log(struct pvr2_hdw *hdw)
 283 {
 284         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 do_log()");
 285         pvr2_i2c_core_cmd(hdw,VIDIOC_LOG_STATUS,NULL);
 286
 287 }
 288
 289
 290 static int check_log(struct pvr2_hdw *hdw)
 291 {
 292         return hdw->log_requested != 0;
 293 }
 294
 295
 296 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_log = {
 297         .check = check_log,
 298         .update = do_log,
 299         .name = "v4l2_log",
 300 };
 301
 302
 303 void pvr2_v4l2_cmd_stream(struct pvr2_i2c_client *cp,int fl)
 304 {
 305         pvr2_i2c_client_cmd(cp,
 306                             (fl ? VIDIOC_STREAMON : VIDIOC_STREAMOFF),NULL);
 307 }
 308
 309
 310 void pvr2_v4l2_cmd_status_poll(struct pvr2_i2c_client *cp)
 311 {
 312         int stat;
 313         struct pvr2_hdw *hdw = cp->hdw;
 314         if (hdw->cropcap_stale) {
 315                 hdw->cropcap_info.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 316                 stat = pvr2_i2c_client_cmd(cp, VIDIOC_CROPCAP,
 317                                            &hdw->cropcap_info);
 318                 if (stat == 0) {
 319                         /* Check was successful, so the data is no
 320                            longer considered stale. */
 321                         hdw->cropcap_stale = 0;
 322                 }
 323         }
 324         pvr2_i2c_client_cmd(cp, VIDIOC_G_TUNER, &hdw->tuner_signal_info);
 325 }
 326
 327
 328 /*
 329   Stuff for Emacs to see, in order to encourage consistent editing style:
 330   *** Local Variables: ***
 331   *** mode: c ***
 332   *** fill-column: 70 ***
 333   *** tab-width: 8 ***
 334   *** c-basic-offset: 8 ***
 335   *** End: ***
 336   */