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
  28
  29 static void set_standard(struct pvr2_hdw *hdw)
  30 {
  31         v4l2_std_id vs;
  32         vs = hdw->std_mask_cur;
  33         pvr2_trace(PVR2_TRACE_CHIPS,
  34                    "i2c v4l2 set_standard(0x%llx)",(long long unsigned)vs);
  35
  36         pvr2_i2c_core_cmd(hdw,VIDIOC_S_STD,&vs);
  37 }
  38
  39
  40 static int check_standard(struct pvr2_hdw *hdw)
  41 {
  42         return hdw->std_dirty != 0;
  43 }
  44
  45
  46 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_standard = {
  47         .check = check_standard,
  48         .update = set_standard,
  49         .name = "v4l2_standard",
  50 };
  51
  52
  53 static void set_bcsh(struct pvr2_hdw *hdw)
  54 {
  55         struct v4l2_control ctrl;
  56         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_bcsh"
  57                    " b=%d c=%d s=%d h=%d",
  58                    hdw->brightness_val,hdw->contrast_val,
  59                    hdw->saturation_val,hdw->hue_val);
  60         memset(&ctrl,0,sizeof(ctrl));
  61         ctrl.id = V4L2_CID_BRIGHTNESS;
  62         ctrl.value = hdw->brightness_val;
  63         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
  64         ctrl.id = V4L2_CID_CONTRAST;
  65         ctrl.value = hdw->contrast_val;
  66         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
  67         ctrl.id = V4L2_CID_SATURATION;
  68         ctrl.value = hdw->saturation_val;
  69         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
  70         ctrl.id = V4L2_CID_HUE;
  71         ctrl.value = hdw->hue_val;
  72         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
  73 }
  74
  75
  76 static int check_bcsh(struct pvr2_hdw *hdw)
  77 {
  78         return (hdw->brightness_dirty ||
  79                 hdw->contrast_dirty ||
  80                 hdw->saturation_dirty ||
  81                 hdw->hue_dirty);
  82 }
  83
  84
  85 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_bcsh = {
  86         .check = check_bcsh,
  87         .update = set_bcsh,
  88         .name = "v4l2_bcsh",
  89 };
  90
  91
  92 static void set_volume(struct pvr2_hdw *hdw)
  93 {
  94         struct v4l2_control ctrl;
  95         pvr2_trace(PVR2_TRACE_CHIPS,
  96                    "i2c v4l2 set_volume"
  97                    "(vol=%d bal=%d bas=%d treb=%d mute=%d)",
  98                    hdw->volume_val,
  99                    hdw->balance_val,
 100                    hdw->bass_val,
 101                    hdw->treble_val,
 102                    hdw->mute_val);
 103         memset(&ctrl,0,sizeof(ctrl));
 104         ctrl.id = V4L2_CID_AUDIO_MUTE;
 105         ctrl.value = hdw->mute_val ? 1 : 0;
 106         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 107         ctrl.id = V4L2_CID_AUDIO_VOLUME;
 108         ctrl.value = hdw->volume_val;
 109         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 110         ctrl.id = V4L2_CID_AUDIO_BALANCE;
 111         ctrl.value = hdw->balance_val;
 112         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 113         ctrl.id = V4L2_CID_AUDIO_BASS;
 114         ctrl.value = hdw->bass_val;
 115         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 116         ctrl.id = V4L2_CID_AUDIO_TREBLE;
 117         ctrl.value = hdw->treble_val;
 118         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
 119 }
 120
 121
 122 static int check_volume(struct pvr2_hdw *hdw)
 123 {
 124         return (hdw->volume_dirty ||
 125                 hdw->balance_dirty ||
 126                 hdw->bass_dirty ||
 127                 hdw->treble_dirty ||
 128                 hdw->mute_dirty);
 129 }
 130
 131
 132 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_volume = {
 133         .check = check_volume,
 134         .update = set_volume,
 135         .name = "v4l2_volume",
 136 };
 137
 138
 139 static void set_frequency(struct pvr2_hdw *hdw)
 140 {
 141         unsigned long fv;
 142         struct v4l2_frequency freq;
 143         fv = hdw->freqVal;
 144         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_freq(%lu)",fv);
 145         memset(&freq,0,sizeof(freq));
 146         freq.frequency = fv / 62500;
 147         freq.tuner = 0;
 148         freq.type = V4L2_TUNER_ANALOG_TV;
 149         pvr2_i2c_core_cmd(hdw,VIDIOC_S_FREQUENCY,&freq);
 150 }
 151
 152
 153 static int check_frequency(struct pvr2_hdw *hdw)
 154 {
 155         return hdw->freqDirty != 0;
 156 }
 157
 158
 159 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_frequency = {
 160         .check = check_frequency,
 161         .update = set_frequency,
 162         .name = "v4l2_freq",
 163 };
 164
 165
 166 static void set_size(struct pvr2_hdw *hdw)
 167 {
 168         struct v4l2_format fmt;
 169
 170         memset(&fmt,0,sizeof(fmt));
 171
 172         fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 173         fmt.fmt.pix.width = hdw->res_hor_val;
 174         fmt.fmt.pix.height = hdw->res_ver_val;
 175
 176         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_size(%dx%d)",
 177                            fmt.fmt.pix.width,fmt.fmt.pix.height);
 178
 179         pvr2_i2c_core_cmd(hdw,VIDIOC_S_FMT,&fmt);
 180 }
 181
 182
 183 static int check_size(struct pvr2_hdw *hdw)
 184 {
 185         return (hdw->res_hor_dirty || hdw->res_ver_dirty);
 186 }
 187
 188
 189 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size = {
 190         .check = check_size,
 191         .update = set_size,
 192         .name = "v4l2_size",
 193 };
 194
 195
 196 static void do_log(struct pvr2_hdw *hdw)
 197 {
 198         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 do_log()");
 199         pvr2_i2c_core_cmd(hdw,VIDIOC_LOG_STATUS,NULL);
 200
 201 }
 202
 203
 204 static int check_log(struct pvr2_hdw *hdw)
 205 {
 206         return hdw->log_requested != 0;
 207 }
 208
 209
 210 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_log = {
 211         .check = check_log,
 212         .update = do_log,
 213         .name = "v4l2_log",
 214 };
 215
 216
 217 void pvr2_v4l2_cmd_stream(struct pvr2_i2c_client *cp,int fl)
 218 {
 219         pvr2_i2c_client_cmd(cp,
 220                             (fl ? VIDIOC_STREAMON : VIDIOC_STREAMOFF),NULL);
 221 }
 222
 223
 224 /*
 225   Stuff for Emacs to see, in order to encourage consistent editing style:
 226   *** Local Variables: ***
 227   *** mode: c ***
 228   *** fill-column: 70 ***
 229   *** tab-width: 8 ***
 230   *** c-basic-offset: 8 ***
 231   *** End: ***
 232   */