drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c

   1 /*
   2  *
   3  *  $Id$
   4  *
   5  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
   6  *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  */
  22
  23 #include "pvrusb2-i2c-cmd-v4l2.h"
  24 #include "pvrusb2-hdw-internal.h"
  25 #include "pvrusb2-debug.h"
  26 #include <linux/videodev2.h>
  27 #include <media/v4l2-common.h>
  28
  29 static void set_standard(struct pvr2_hdw *hdw)
  30 {
  31         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_standard");
  32
  33         if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
  34                 pvr2_i2c_core_cmd(hdw,AUDC_SET_RADIO,NULL);
  35         } else {
  36                 v4l2_std_id vs;
  37                 vs = hdw->std_mask_cur;
  38                 pvr2_i2c_core_cmd(hdw,VIDIOC_S_STD,&vs);
  39         }
  40         hdw->tuner_signal_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_frequency(struct pvr2_hdw *hdw)
 144 {
 145         unsigned long fv;
 146         struct v4l2_frequency freq;
 147         fv = pvr2_hdw_get_cur_freq(hdw);
 148         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_freq(%lu)",fv);
 149         if (hdw->tuner_signal_stale) {
 150                 pvr2_i2c_core_status_poll(hdw);
 151         }
 152         memset(&freq,0,sizeof(freq));
 153         if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) {
 154                 // ((fv * 1000) / 62500)
 155                 freq.frequency = (fv * 2) / 125;
 156         } else {
 157                 freq.frequency = fv / 62500;
 158         }
 159         /* tuner-core currently doesn't seem to care about this, but
 160            let's set it anyway for completeness. */
 161         if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
 162                 freq.type = V4L2_TUNER_RADIO;
 163         } else {
 164                 freq.type = V4L2_TUNER_ANALOG_TV;
 165         }
 166         freq.tuner = 0;
 167         pvr2_i2c_core_cmd(hdw,VIDIOC_S_FREQUENCY,&freq);
 168 }
 169
 170
 171 static int check_frequency(struct pvr2_hdw *hdw)
 172 {
 173         return hdw->freqDirty != 0;
 174 }
 175
 176
 177 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_frequency = {
 178         .check = check_frequency,
 179         .update = set_frequency,
 180         .name = "v4l2_freq",
 181 };
 182
 183
 184 static void set_size(struct pvr2_hdw *hdw)
 185 {
 186         struct v4l2_format fmt;
 187
 188         memset(&fmt,0,sizeof(fmt));
 189
 190         fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 191         fmt.fmt.pix.width = hdw->res_hor_val;
 192         fmt.fmt.pix.height = hdw->res_ver_val;
 193
 194         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_size(%dx%d)",
 195                            fmt.fmt.pix.width,fmt.fmt.pix.height);
 196
 197         pvr2_i2c_core_cmd(hdw,VIDIOC_S_FMT,&fmt);
 198 }
 199
 200
 201 static int check_size(struct pvr2_hdw *hdw)
 202 {
 203         return (hdw->res_hor_dirty || hdw->res_ver_dirty);
 204 }
 205
 206
 207 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size = {
 208         .check = check_size,
 209         .update = set_size,
 210         .name = "v4l2_size",
 211 };
 212
 213
 214 static void do_log(struct pvr2_hdw *hdw)
 215 {
 216         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 do_log()");
 217         pvr2_i2c_core_cmd(hdw,VIDIOC_LOG_STATUS,NULL);
 218
 219 }
 220
 221
 222 static int check_log(struct pvr2_hdw *hdw)
 223 {
 224         return hdw->log_requested != 0;
 225 }
 226
 227
 228 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_log = {
 229         .check = check_log,
 230         .update = do_log,
 231         .name = "v4l2_log",
 232 };
 233
 234
 235 void pvr2_v4l2_cmd_stream(struct pvr2_i2c_client *cp,int fl)
 236 {
 237         pvr2_i2c_client_cmd(cp,
 238                             (fl ? VIDIOC_STREAMON : VIDIOC_STREAMOFF),NULL);
 239 }
 240
 241
 242 void pvr2_v4l2_cmd_status_poll(struct pvr2_i2c_client *cp)
 243 {
 244         pvr2_i2c_client_cmd(cp,VIDIOC_G_TUNER,&cp->hdw->tuner_signal_info);
 245 }
 246
 247
 248 /*
 249   Stuff for Emacs to see, in order to encourage consistent editing style:
 250   *** Local Variables: ***
 251   *** mode: c ***
 252   *** fill-column: 70 ***
 253   *** tab-width: 8 ***
 254   *** c-basic-offset: 8 ***
 255   *** End: ***
 256   */