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