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 }
  41
  42
  43 static int check_standard(struct pvr2_hdw *hdw)
  44 {
  45         return (hdw->input_dirty != 0) || (hdw->std_dirty != 0);
  46 }
  47
  48
  49 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_standard = {
  50         .check = check_standard,
  51         .update = set_standard,
  52         .name = "v4l2_standard",
  53 };
  54
  55
  56 static void set_bcsh(struct pvr2_hdw *hdw)
  57 {
  58         struct v4l2_control ctrl;
  59         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_bcsh"
  60                    " b=%d c=%d s=%d h=%d",
  61                    hdw->brightness_val,hdw->contrast_val,
  62                    hdw->saturation_val,hdw->hue_val);
  63         memset(&ctrl,0,sizeof(ctrl));
  64         ctrl.id = V4L2_CID_BRIGHTNESS;
  65         ctrl.value = hdw->brightness_val;
  66         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
  67         ctrl.id = V4L2_CID_CONTRAST;
  68         ctrl.value = hdw->contrast_val;
  69         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
  70         ctrl.id = V4L2_CID_SATURATION;
  71         ctrl.value = hdw->saturation_val;
  72         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
  73         ctrl.id = V4L2_CID_HUE;
  74         ctrl.value = hdw->hue_val;
  75         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
  76 }
  77
  78
  79 static int check_bcsh(struct pvr2_hdw *hdw)
  80 {
  81         return (hdw->brightness_dirty ||
  82                 hdw->contrast_dirty ||
  83                 hdw->saturation_dirty ||
  84                 hdw->hue_dirty);
  85 }
  86
  87
  88 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_bcsh = {
  89         .check = check_bcsh,
  90         .update = set_bcsh,
  91         .name = "v4l2_bcsh",
  92 };
  93
  94
  95 static void set_volume(struct pvr2_hdw *hdw)
  96 {
  97         struct v4l2_control ctrl;
  98         pvr2_trace(PVR2_TRACE_CHIPS,
  99                    "i2c v4l2 set_volume"
 100                    "(vol=%d bal=%d bas=%d treb=%d mute=%d)",
 101                    hdw->volume_val,
 102                    hdw->balance_val,
 103                    hdw->bass_val,
 104                    hdw->treble_val,
 105                    hdw->mute_val);
 106         memset(&ctrl,0,sizeof(ctrl));
 107         ctrl.id = V4L2_CID_AUDIO_MUTE;
 108         ctrl.value = hdw->mute_val ? 1 : 0;
 109         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 110         ctrl.id = V4L2_CID_AUDIO_VOLUME;
 111         ctrl.value = hdw->volume_val;
 112         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 113         ctrl.id = V4L2_CID_AUDIO_BALANCE;
 114         ctrl.value = hdw->balance_val;
 115         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 116         ctrl.id = V4L2_CID_AUDIO_BASS;
 117         ctrl.value = hdw->bass_val;
 118         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 119         ctrl.id = V4L2_CID_AUDIO_TREBLE;
 120         ctrl.value = hdw->treble_val;
 121         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 122 }
 123
 124
 125 static int check_volume(struct pvr2_hdw *hdw)
 126 {
 127         return (hdw->volume_dirty ||
 128                 hdw->balance_dirty ||
 129                 hdw->bass_dirty ||
 130                 hdw->treble_dirty ||
 131                 hdw->mute_dirty);
 132 }
 133
 134
 135 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_volume = {
 136         .check = check_volume,
 137         .update = set_volume,
 138         .name = "v4l2_volume",
 139 };
 140
 141
 142 static void set_audiomode(struct pvr2_hdw *hdw)
 143 {
 144         struct v4l2_tuner vt;
 145         memset(&vt,0,sizeof(vt));
 146         vt.audmode = hdw->audiomode_val;
 147         pvr2_i2c_core_cmd(hdw,VIDIOC_S_TUNER,&vt);
 148 }
 149
 150
 151 static int check_audiomode(struct pvr2_hdw *hdw)
 152 {
 153         return (hdw->input_dirty ||
 154                 hdw->audiomode_dirty);
 155 }
 156
 157
 158 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_audiomode = {
 159         .check = check_audiomode,
 160         .update = set_audiomode,
 161         .name = "v4l2_audiomode",
 162 };
 163
 164
 165 static void set_frequency(struct pvr2_hdw *hdw)
 166 {
 167         unsigned long fv;
 168         struct v4l2_frequency freq;
 169         fv = pvr2_hdw_get_cur_freq(hdw);
 170         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_freq(%lu)",fv);
 171         if (hdw->tuner_signal_stale) {
 172                 pvr2_i2c_core_status_poll(hdw);
 173         }
 174         memset(&freq,0,sizeof(freq));
 175         if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) {
 176                 // ((fv * 1000) / 62500)
 177                 freq.frequency = (fv * 2) / 125;
 178         } else {
 179                 freq.frequency = fv / 62500;
 180         }
 181         /* tuner-core currently doesn't seem to care about this, but
 182            let's set it anyway for completeness. */
 183         if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
 184                 freq.type = V4L2_TUNER_RADIO;
 185         } else {
 186                 freq.type = V4L2_TUNER_ANALOG_TV;
 187         }
 188         freq.tuner = 0;
 189         pvr2_i2c_core_cmd(hdw,VIDIOC_S_FREQUENCY,&freq);
 190 }
 191
 192
 193 static int check_frequency(struct pvr2_hdw *hdw)
 194 {
 195         return hdw->freqDirty != 0;
 196 }
 197
 198
 199 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_frequency = {
 200         .check = check_frequency,
 201         .update = set_frequency,
 202         .name = "v4l2_freq",
 203 };
 204
 205
 206 static void set_size(struct pvr2_hdw *hdw)
 207 {
 208         struct v4l2_format fmt;
 209
 210         memset(&fmt,0,sizeof(fmt));
 211
 212         fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 213         fmt.fmt.pix.width = hdw->res_hor_val;
 214         fmt.fmt.pix.height = hdw->res_ver_val;
 215
 216         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_size(%dx%d)",
 217                            fmt.fmt.pix.width,fmt.fmt.pix.height);
 218
 219         pvr2_i2c_core_cmd(hdw,VIDIOC_S_FMT,&fmt);
 220 }
 221
 222
 223 static int check_size(struct pvr2_hdw *hdw)
 224 {
 225         return (hdw->res_hor_dirty || hdw->res_ver_dirty);
 226 }
 227
 228
 229 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size = {
 230         .check = check_size,
 231         .update = set_size,
 232         .name = "v4l2_size",
 233 };
 234
 235
 236 static void do_log(struct pvr2_hdw *hdw)
 237 {
 238         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 do_log()");
 239         pvr2_i2c_core_cmd(hdw,VIDIOC_LOG_STATUS,NULL);
 240
 241 }
 242
 243
 244 static int check_log(struct pvr2_hdw *hdw)
 245 {
 246         return hdw->log_requested != 0;
 247 }
 248
 249
 250 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_log = {
 251         .check = check_log,
 252         .update = do_log,
 253         .name = "v4l2_log",
 254 };
 255
 256
 257 void pvr2_v4l2_cmd_stream(struct pvr2_i2c_client *cp,int fl)
 258 {
 259         pvr2_i2c_client_cmd(cp,
 260                             (fl ? VIDIOC_STREAMON : VIDIOC_STREAMOFF),NULL);
 261 }
 262
 263
 264 void pvr2_v4l2_cmd_status_poll(struct pvr2_i2c_client *cp)
 265 {
 266         pvr2_i2c_client_cmd(cp,VIDIOC_G_TUNER,&cp->hdw->tuner_signal_info);
 267 }
 268
 269
 270 /*
 271   Stuff for Emacs to see, in order to encourage consistent editing style:
 272   *** Local Variables: ***
 273   *** mode: c ***
 274   *** fill-column: 70 ***
 275   *** tab-width: 8 ***
 276   *** c-basic-offset: 8 ***
 277   *** End: ***
 278   */