diff options
Diffstat (limited to 'drivers/media/video/cx25840/cx25840-vbi.c')
| -rw-r--r-- | drivers/media/video/cx25840/cx25840-vbi.c | 152 |
1 files changed, 4 insertions, 148 deletions
diff --git a/drivers/media/video/cx25840/cx25840-vbi.c b/drivers/media/video/cx25840/cx25840-vbi.c index c754b9d1336..69f2bbdbb92 100644 --- a/drivers/media/video/cx25840/cx25840-vbi.c +++ b/drivers/media/video/cx25840/cx25840-vbi.c @@ -82,150 +82,6 @@ static int decode_vps(u8 * dst, u8 * p) return err & 0xf0; } -void cx25840_vbi_setup(struct i2c_client *client) -{ - struct cx25840_state *state = i2c_get_clientdata(client); - v4l2_std_id std = state->std; - int hblank,hactive,burst,vblank,vactive,sc,vblank656,src_decimation; - int luma_lpf,uv_lpf, comb; - u32 pll_int,pll_frac,pll_post; - - /* datasheet startup, step 8d */ - if (std & ~V4L2_STD_NTSC) { - cx25840_write(client, 0x49f, 0x11); - } else { - cx25840_write(client, 0x49f, 0x14); - } - - if (std & V4L2_STD_625_50) { - hblank=0x084; - hactive=0x2d0; - burst=0x5d; - vblank=0x024; - vactive=0x244; - vblank656=0x28; - src_decimation=0x21f; - - luma_lpf=2; - if (std & V4L2_STD_SECAM) { - uv_lpf=0; - comb=0; - sc=0x0a425f; - } else if (std == V4L2_STD_PAL_Nc) { - uv_lpf=1; - comb=0x20; - sc=556453; - } else { - uv_lpf=1; - comb=0x20; - sc=0x0a8263; - } - } else { - hactive=720; - hblank=122; - vactive=487; - luma_lpf=1; - uv_lpf=1; - - src_decimation=0x21f; - if (std == V4L2_STD_PAL_60) { - vblank=26; - vblank656=26; - burst=0x5b; - luma_lpf=2; - comb=0x20; - sc=0x0a8263; - } else if (std == V4L2_STD_PAL_M) { - vblank=20; - vblank656=24; - burst=0x61; - comb=0x20; - - sc=555452; - } else { - vblank=26; - vblank656=26; - burst=0x5b; - comb=0x66; - sc=556063; - } - } - - /* DEBUG: Displays configured PLL frequency */ - pll_int=cx25840_read(client, 0x108); - pll_frac=cx25840_read4(client, 0x10c)&0x1ffffff; - pll_post=cx25840_read(client, 0x109); - v4l_dbg(1, cx25840_debug, client, - "PLL regs = int: %u, frac: %u, post: %u\n", - pll_int,pll_frac,pll_post); - - if (pll_post) { - int fin, fsc; - int pll= (28636363L*((((u64)pll_int)<<25L)+pll_frac)) >>25L; - - pll/=pll_post; - v4l_dbg(1, cx25840_debug, client, "PLL = %d.%06d MHz\n", - pll/1000000, pll%1000000); - v4l_dbg(1, cx25840_debug, client, "PLL/8 = %d.%06d MHz\n", - pll/8000000, (pll/8)%1000000); - - fin=((u64)src_decimation*pll)>>12; - v4l_dbg(1, cx25840_debug, client, "ADC Sampling freq = " - "%d.%06d MHz\n", - fin/1000000,fin%1000000); - - fsc= (((u64)sc)*pll) >> 24L; - v4l_dbg(1, cx25840_debug, client, "Chroma sub-carrier freq = " - "%d.%06d MHz\n", - fsc/1000000,fsc%1000000); - - v4l_dbg(1, cx25840_debug, client, "hblank %i, hactive %i, " - "vblank %i, vactive %i, vblank656 %i, src_dec %i, " - "burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x," - " sc 0x%06x\n", - hblank, hactive, vblank, vactive, vblank656, - src_decimation, burst, luma_lpf, uv_lpf, comb, sc); - } - - /* Sets horizontal blanking delay and active lines */ - cx25840_write(client, 0x470, hblank); - cx25840_write(client, 0x471, 0xff&(((hblank>>8)&0x3)|(hactive <<4))); - cx25840_write(client, 0x472, hactive>>4); - - /* Sets burst gate delay */ - cx25840_write(client, 0x473, burst); - - /* Sets vertical blanking delay and active duration */ - cx25840_write(client, 0x474, vblank); - cx25840_write(client, 0x475, 0xff&(((vblank>>8)&0x3)|(vactive <<4))); - cx25840_write(client, 0x476, vactive>>4); - cx25840_write(client, 0x477, vblank656); - - /* Sets src decimation rate */ - cx25840_write(client, 0x478, 0xff&src_decimation); - cx25840_write(client, 0x479, 0xff&(src_decimation>>8)); - - /* Sets Luma and UV Low pass filters */ - cx25840_write(client, 0x47a, luma_lpf<<6|((uv_lpf<<4)&0x30)); - - /* Enables comb filters */ - cx25840_write(client, 0x47b, comb); - - /* Sets SC Step*/ - cx25840_write(client, 0x47c, sc); - cx25840_write(client, 0x47d, 0xff&sc>>8); - cx25840_write(client, 0x47e, 0xff&sc>>16); - - /* Sets VBI parameters */ - if (std & V4L2_STD_625_50) { - cx25840_write(client, 0x47f, 0x01); - state->vbi_line_offset = 5; - } else { - cx25840_write(client, 0x47f, 0x00); - state->vbi_line_offset = 8; - } -} - int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) { struct cx25840_state *state = i2c_get_clientdata(client); @@ -292,8 +148,8 @@ int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) /* raw VBI */ memset(svbi, 0, sizeof(*svbi)); - /* Setup VBI */ - cx25840_vbi_setup(client); + /* Setup standard */ + cx25840_std_setup(client); /* VBI Offset */ cx25840_write(client, 0x47f, vbi_offset); @@ -304,8 +160,8 @@ int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) for (x = 0; x <= 23; x++) lcr[x] = 0x00; - /* Setup VBI */ - cx25840_vbi_setup(client); + /* Setup standard */ + cx25840_std_setup(client); /* Sliced VBI */ cx25840_write(client, 0x404, 0x32); /* Ancillary data */ |