diff options
Diffstat (limited to 'drivers/media/video/bt819.c')
-rw-r--r-- | drivers/media/video/bt819.c | 271 |
1 files changed, 142 insertions, 129 deletions
diff --git a/drivers/media/video/bt819.c b/drivers/media/video/bt819.c index a07b7b88e5b..b8109a1b50c 100644 --- a/drivers/media/video/bt819.c +++ b/drivers/media/video/bt819.c @@ -54,7 +54,7 @@ struct bt819 { unsigned char reg[32]; int initialized; - int norm; + v4l2_std_id norm; int input; int enable; int bright; @@ -178,7 +178,7 @@ static int bt819_init(struct i2c_client *client) 0x1a, 0x80, /* 0x1a ADC Interface */ }; - struct timing *timing = &timing_data[decoder->norm]; + struct timing *timing = &timing_data[(decoder->norm & V4L2_STD_525_60) ? 1 : 0]; init[0x03 * 2 - 1] = (((timing->vdelay >> 8) & 0x03) << 6) | @@ -192,7 +192,7 @@ static int bt819_init(struct i2c_client *client) init[0x08 * 2 - 1] = timing->hscale >> 8; init[0x09 * 2 - 1] = timing->hscale & 0xff; /* 0x15 in array is address 0x19 */ - init[0x15 * 2 - 1] = (decoder->norm == 0) ? 115 : 93; /* Chroma burst delay */ + init[0x15 * 2 - 1] = (decoder->norm & V4L2_STD_625_50) ? 115 : 93; /* Chroma burst delay */ /* reset */ bt819_write(client, 0x1f, 0x00); mdelay(1); @@ -215,121 +215,93 @@ static int bt819_command(struct i2c_client *client, unsigned cmd, void *arg) } switch (cmd) { - case 0: + case VIDIOC_INT_INIT: /* This is just for testing!!! */ bt819_init(client); break; - case DECODER_GET_CAPABILITIES: - { - struct video_decoder_capability *cap = arg; - - cap->flags = VIDEO_DECODER_PAL | - VIDEO_DECODER_NTSC | - VIDEO_DECODER_AUTO | - VIDEO_DECODER_CCIR; - cap->inputs = 8; - cap->outputs = 1; - break; - } - - case DECODER_GET_STATUS: - { + case VIDIOC_QUERYSTD: + case VIDIOC_INT_G_INPUT_STATUS: { int *iarg = arg; + v4l2_std_id *istd = arg; int status; - int res; + int res = V4L2_IN_ST_NO_SIGNAL; + v4l2_std_id std; status = bt819_read(client, 0x00); - res = 0; if ((status & 0x80)) - res |= DECODER_STATUS_GOOD; + res = 0; - switch (decoder->norm) { - case VIDEO_MODE_NTSC: - res |= DECODER_STATUS_NTSC; - break; - case VIDEO_MODE_PAL: - res |= DECODER_STATUS_PAL; - break; - default: - case VIDEO_MODE_AUTO: - if ((status & 0x10)) - res |= DECODER_STATUS_PAL; - else - res |= DECODER_STATUS_NTSC; - break; - } - res |= DECODER_STATUS_COLOR; - *iarg = res; + if ((status & 0x10)) + std = V4L2_STD_PAL; + else + std = V4L2_STD_NTSC; + if (cmd == VIDIOC_QUERYSTD) + *istd = std; + else + *iarg = res; v4l_dbg(1, debug, client, "get status %x\n", *iarg); break; } - case DECODER_SET_NORM: + case VIDIOC_S_STD: { - int *iarg = arg; + v4l2_std_id *iarg = arg; struct timing *timing = NULL; - v4l_dbg(1, debug, client, "set norm %x\n", *iarg); + v4l_dbg(1, debug, client, "set norm %llx\n", *iarg); - switch (*iarg) { - case VIDEO_MODE_NTSC: + if (*iarg & V4L2_STD_NTSC) { bt819_setbit(client, 0x01, 0, 1); bt819_setbit(client, 0x01, 1, 0); bt819_setbit(client, 0x01, 5, 0); bt819_write(client, 0x18, 0x68); bt819_write(client, 0x19, 0x5d); /* bt819_setbit(client, 0x1a, 5, 1); */ - timing = &timing_data[VIDEO_MODE_NTSC]; - break; - case VIDEO_MODE_PAL: + timing = &timing_data[1]; + } else if (*iarg & V4L2_STD_PAL) { bt819_setbit(client, 0x01, 0, 1); bt819_setbit(client, 0x01, 1, 1); bt819_setbit(client, 0x01, 5, 1); bt819_write(client, 0x18, 0x7f); bt819_write(client, 0x19, 0x72); /* bt819_setbit(client, 0x1a, 5, 0); */ - timing = &timing_data[VIDEO_MODE_PAL]; - break; - case VIDEO_MODE_AUTO: - bt819_setbit(client, 0x01, 0, 0); - bt819_setbit(client, 0x01, 1, 0); - break; - default: - v4l_dbg(1, debug, client, "unsupported norm %x\n", *iarg); + timing = &timing_data[0]; + } else { + v4l_dbg(1, debug, client, "unsupported norm %llx\n", *iarg); return -EINVAL; } - - if (timing) { - bt819_write(client, 0x03, - (((timing->vdelay >> 8) & 0x03) << 6) | - (((timing->vactive >> 8) & 0x03) << 4) | - (((timing->hdelay >> 8) & 0x03) << 2) | - ((timing->hactive >> 8) & 0x03) ); - bt819_write(client, 0x04, timing->vdelay & 0xff); - bt819_write(client, 0x05, timing->vactive & 0xff); - bt819_write(client, 0x06, timing->hdelay & 0xff); - bt819_write(client, 0x07, timing->hactive & 0xff); - bt819_write(client, 0x08, (timing->hscale >> 8) & 0xff); - bt819_write(client, 0x09, timing->hscale & 0xff); - } - +/* case VIDEO_MODE_AUTO: + bt819_setbit(client, 0x01, 0, 0); + bt819_setbit(client, 0x01, 1, 0);*/ + + bt819_write(client, 0x03, + (((timing->vdelay >> 8) & 0x03) << 6) | + (((timing->vactive >> 8) & 0x03) << 4) | + (((timing->hdelay >> 8) & 0x03) << 2) | + ((timing->hactive >> 8) & 0x03)); + bt819_write(client, 0x04, timing->vdelay & 0xff); + bt819_write(client, 0x05, timing->vactive & 0xff); + bt819_write(client, 0x06, timing->hdelay & 0xff); + bt819_write(client, 0x07, timing->hactive & 0xff); + bt819_write(client, 0x08, (timing->hscale >> 8) & 0xff); + bt819_write(client, 0x09, timing->hscale & 0xff); decoder->norm = *iarg; break; } - case DECODER_SET_INPUT: + case VIDIOC_INT_S_VIDEO_ROUTING: { - int *iarg = arg; + struct v4l2_routing *route = arg; - v4l_dbg(1, debug, client, "set input %x\n", *iarg); + v4l_dbg(1, debug, client, "set input %x\n", route->input); - if (*iarg < 0 || *iarg > 7) + if (route->input < 0 || route->input > 7) return -EINVAL; - if (decoder->input != *iarg) { - decoder->input = *iarg; + if (decoder->input != route->input) { + decoder->input = route->input; /* select mode */ if (decoder->input == 0) { bt819_setbit(client, 0x0b, 6, 0); @@ -342,75 +314,116 @@ static int bt819_command(struct i2c_client *client, unsigned cmd, void *arg) break; } - case DECODER_SET_OUTPUT: + case VIDIOC_STREAMON: + case VIDIOC_STREAMOFF: { - int *iarg = arg; + int enable = cmd == VIDIOC_STREAMON; - v4l_dbg(1, debug, client, "set output %x\n", *iarg); + v4l_dbg(1, debug, client, "enable output %x\n", enable); - /* not much choice of outputs */ - if (*iarg != 0) - return -EINVAL; + if (decoder->enable != enable) { + decoder->enable = enable; + bt819_setbit(client, 0x16, 7, !enable); + } break; } - case DECODER_ENABLE_OUTPUT: + case VIDIOC_QUERYCTRL: { - int *iarg = arg; - int enable = (*iarg != 0); + struct v4l2_queryctrl *qc = arg; - v4l_dbg(1, debug, client, "enable output %x\n", *iarg); + switch (qc->id) { + case V4L2_CID_BRIGHTNESS: + v4l2_ctrl_query_fill(qc, -128, 127, 1, 0); + break; - if (decoder->enable != enable) { - decoder->enable = enable; - bt819_setbit(client, 0x16, 7, !enable); + case V4L2_CID_CONTRAST: + v4l2_ctrl_query_fill(qc, 0, 511, 1, 256); + break; + + case V4L2_CID_SATURATION: + v4l2_ctrl_query_fill(qc, 0, 511, 1, 256); + break; + + case V4L2_CID_HUE: + v4l2_ctrl_query_fill(qc, -128, 127, 1, 0); + break; + + default: + return -EINVAL; } break; } - case DECODER_SET_PICTURE: + case VIDIOC_S_CTRL: { - struct video_picture *pic = arg; + struct v4l2_control *ctrl = arg; - v4l_dbg(1, debug, client, - "set picture brightness %d contrast %d colour %d\n", - pic->brightness, pic->contrast, pic->colour); + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + if (decoder->bright != ctrl->value) { + decoder->bright = ctrl->value; + bt819_write(client, 0x0a, decoder->bright); + } + break; + case V4L2_CID_CONTRAST: + if (decoder->contrast != ctrl->value) { + decoder->contrast = ctrl->value; + bt819_write(client, 0x0c, + decoder->contrast & 0xff); + bt819_setbit(client, 0x0b, 2, + ((decoder->contrast >> 8) & 0x01)); + } + break; - if (decoder->bright != pic->brightness) { - /* We want -128 to 127 we get 0-65535 */ - decoder->bright = pic->brightness; - bt819_write(client, 0x0a, - (decoder->bright >> 8) - 128); - } + case V4L2_CID_SATURATION: + if (decoder->sat != ctrl->value) { + decoder->sat = ctrl->value; + bt819_write(client, 0x0d, + (decoder->sat >> 7) & 0xff); + bt819_setbit(client, 0x0b, 1, + ((decoder->sat >> 15) & 0x01)); + + /* Ratio between U gain and V gain must stay the same as + the ratio between the default U and V gain values. */ + temp = (decoder->sat * 180) / 254; + bt819_write(client, 0x0e, (temp >> 7) & 0xff); + bt819_setbit(client, 0x0b, 0, (temp >> 15) & 0x01); + } + break; - if (decoder->contrast != pic->contrast) { - /* We want 0 to 511 we get 0-65535 */ - decoder->contrast = pic->contrast; - bt819_write(client, 0x0c, - (decoder->contrast >> 7) & 0xff); - bt819_setbit(client, 0x0b, 2, - ((decoder->contrast >> 15) & 0x01)); + case V4L2_CID_HUE: + if (decoder->hue != ctrl->value) { + decoder->hue = ctrl->value; + bt819_write(client, 0x0f, decoder->hue); + } + break; + default: + return -EINVAL; } + break; + } - if (decoder->sat != pic->colour) { - /* We want 0 to 511 we get 0-65535 */ - decoder->sat = pic->colour; - bt819_write(client, 0x0d, - (decoder->sat >> 7) & 0xff); - bt819_setbit(client, 0x0b, 1, - ((decoder->sat >> 15) & 0x01)); - - temp = (decoder->sat * 201) / 237; - bt819_write(client, 0x0e, (temp >> 7) & 0xff); - bt819_setbit(client, 0x0b, 0, (temp >> 15) & 0x01); - } + case VIDIOC_G_CTRL: + { + struct v4l2_control *ctrl = arg; - if (decoder->hue != pic->hue) { - /* We want -128 to 127 we get 0-65535 */ - decoder->hue = pic->hue; - bt819_write(client, 0x0f, - 128 - (decoder->hue >> 8)); + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->value = decoder->bright; + break; + case V4L2_CID_CONTRAST: + ctrl->value = decoder->contrast; + break; + case V4L2_CID_SATURATION: + ctrl->value = decoder->sat; + break; + case V4L2_CID_HUE: + ctrl->value = decoder->hue; + break; + default: + return -EINVAL; } break; } @@ -462,13 +475,13 @@ static int bt819_probe(struct i2c_client *client, decoder = kzalloc(sizeof(struct bt819), GFP_KERNEL); if (decoder == NULL) return -ENOMEM; - decoder->norm = VIDEO_MODE_NTSC; + decoder->norm = V4L2_STD_NTSC; decoder->input = 0; decoder->enable = 1; - decoder->bright = 32768; - decoder->contrast = 32768; - decoder->hue = 32768; - decoder->sat = 32768; + decoder->bright = 0; + decoder->contrast = 0xd8; /* 100% of original signal */ + decoder->hue = 0; + decoder->sat = 0xfe; /* 100% of original signal */ decoder->initialized = 0; i2c_set_clientdata(client, decoder); |