diff options
Diffstat (limited to 'drivers/media/video/saa7115.c')
| -rw-r--r-- | drivers/media/video/saa7115.c | 137 |
1 files changed, 52 insertions, 85 deletions
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c index dceebc0b1250..b59c11717273 100644 --- a/drivers/media/video/saa7115.c +++ b/drivers/media/video/saa7115.c @@ -72,6 +72,10 @@ struct saa7115_state { int sat; enum v4l2_chip_ident ident; u32 audclk_freq; + u32 crystal_freq; + u8 ucgc; + u8 cgcdiv; + u8 apll; }; /* ----------------------------------------------------------------------- */ @@ -375,10 +379,6 @@ static const unsigned char saa7113_init_auto_input[] = { }; static const unsigned char saa7115_init_misc[] = { - 0x38, 0x03, /* audio stuff */ - 0x39, 0x10, - 0x3a, 0x08, - 0x81, 0x01, /* reg 0x15,0x16 define blanking window */ 0x82, 0x00, 0x83, 0x01, /* I port settings */ @@ -584,6 +584,7 @@ static int saa7115_set_audio_clock_freq(struct i2c_client *client, u32 freq) u32 acni; u32 hz; u64 f; + u8 acc = 0; /* reg 0x3a, audio clock control */ v4l_dbg(1, debug, client, "set audio clock freq: %d\n", freq); @@ -591,18 +592,34 @@ static int saa7115_set_audio_clock_freq(struct i2c_client *client, u32 freq) if (freq < 32000 || freq > 48000) return -EINVAL; + /* The saa7113 has no audio clock */ + if (state->ident == V4L2_IDENT_SAA7113) + return 0; + /* hz is the refresh rate times 100 */ hz = (state->std & V4L2_STD_525_60) ? 5994 : 5000; /* acpf = (256 * freq) / field_frequency == (256 * 100 * freq) / hz */ acpf = (25600 * freq) / hz; /* acni = (256 * freq * 2^23) / crystal_frequency = (freq * 2^(8+23)) / crystal_frequency = - (freq << 31) / 32.11 MHz */ + (freq << 31) / crystal_frequency */ f = freq; f = f << 31; - do_div(f, 32110000); + do_div(f, state->crystal_freq); acni = f; + if (state->ucgc) { + acpf = acpf * state->cgcdiv / 16; + acni = acni * state->cgcdiv / 16; + acc = 0x80; + if (state->cgcdiv == 3) + acc |= 0x40; + } + if (state->apll) + acc |= 0x08; + saa7115_write(client, 0x38, 0x03); + saa7115_write(client, 0x39, 0x10); + saa7115_write(client, 0x3a, acc); saa7115_write(client, 0x30, acpf & 0xff); saa7115_write(client, 0x31, (acpf >> 8) & 0xff); saa7115_write(client, 0x32, (acpf >> 16) & 0x03); @@ -1073,48 +1090,6 @@ static void saa7115_decode_vbi_line(struct i2c_client *client, /* ============ SAA7115 AUDIO settings (end) ============= */ -static struct v4l2_queryctrl saa7115_qctrl[] = { - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = 0, - .maximum = 255, - .step = 1, - .default_value = 128, - .flags = 0, - }, { - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = 0, - .maximum = 127, - .step = 1, - .default_value = 64, - .flags = 0, - }, { - .id = V4L2_CID_SATURATION, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Saturation", - .minimum = 0, - .maximum = 127, - .step = 1, - .default_value = 64, - .flags = 0, - }, { - .id = V4L2_CID_HUE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Hue", - .minimum = -128, - .maximum = 127, - .step = 1, - .default_value = 0, - .flags = 0, - }, -}; - -/* ----------------------------------------------------------------------- */ - static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *arg) { struct saa7115_state *state = i2c_get_clientdata(client); @@ -1158,14 +1133,16 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar case VIDIOC_QUERYCTRL: { struct v4l2_queryctrl *qc = arg; - int i; - for (i = 0; i < ARRAY_SIZE(saa7115_qctrl); i++) - if (qc->id && qc->id == saa7115_qctrl[i].id) { - memcpy(qc, &saa7115_qctrl[i], sizeof(*qc)); - return 0; - } - return -EINVAL; + switch (qc->id) { + case V4L2_CID_BRIGHTNESS: + case V4L2_CID_CONTRAST: + case V4L2_CID_SATURATION: + case V4L2_CID_HUE: + return v4l2_ctrl_query_fill_std(qc); + default: + return -EINVAL; + } } case VIDIOC_G_STD: @@ -1221,34 +1198,6 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar break; } - case VIDIOC_G_INPUT: - *(int *)arg = state->input; - break; - - case VIDIOC_S_INPUT: - v4l_dbg(1, debug, client, "decoder set input %d\n", *iarg); - /* inputs from 0-9 are available */ - if (*iarg < 0 || *iarg > 9) { - return -EINVAL; - } - - if (state->input == *iarg) - break; - v4l_dbg(1, debug, client, "now setting %s input\n", - *iarg >= 6 ? "S-Video" : "Composite"); - state->input = *iarg; - - /* select mode */ - saa7115_write(client, 0x02, - (saa7115_read(client, 0x02) & 0xf0) | - state->input); - - /* bypass chrominance trap for modes 6..9 */ - saa7115_write(client, 0x09, - (saa7115_read(client, 0x09) & 0x7f) | - (state->input < 6 ? 0x0 : 0x80)); - break; - case VIDIOC_STREAMON: case VIDIOC_STREAMOFF: v4l_dbg(1, debug, client, "%s output\n", @@ -1260,6 +1209,21 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar } break; + case VIDIOC_INT_S_CRYSTAL_FREQ: + { + struct v4l2_crystal_freq *freq = arg; + + if (freq->freq != SAA7115_FREQ_32_11_MHZ && + freq->freq != SAA7115_FREQ_24_576_MHZ) + return -EINVAL; + state->crystal_freq = freq->freq; + state->cgcdiv = (freq->flags & SAA7115_FREQ_FL_CGCDIV) ? 3 : 4; + state->ucgc = (freq->flags & SAA7115_FREQ_FL_UCGC) ? 1 : 0; + state->apll = (freq->flags & SAA7115_FREQ_FL_APLL) ? 1 : 0; + saa7115_set_audio_clock_freq(client, state->audclk_freq); + break; + } + case VIDIOC_INT_DECODE_VBI_LINE: saa7115_decode_vbi_line(client, arg); break; @@ -1401,10 +1365,13 @@ static int saa7115_attach(struct i2c_adapter *adapter, int address, int kind) v4l_dbg(1, debug, client, "writing init values\n"); /* init to 60hz/48khz */ - if (state->ident == V4L2_IDENT_SAA7113) + if (state->ident == V4L2_IDENT_SAA7113) { + state->crystal_freq = SAA7115_FREQ_24_576_MHZ; saa7115_writeregs(client, saa7113_init_auto_input); - else + } else { + state->crystal_freq = SAA7115_FREQ_32_11_MHZ; saa7115_writeregs(client, saa7115_init_auto_input); + } saa7115_writeregs(client, saa7115_init_misc); saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x); saa7115_writeregs(client, saa7115_cfg_60hz_fullres_y); |