diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-av-vbi.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-av-vbi.c | 147 |
1 files changed, 4 insertions, 143 deletions
diff --git a/drivers/media/video/cx18/cx18-av-vbi.c b/drivers/media/video/cx18/cx18-av-vbi.c index 0c92f12..02fdf57 100644 --- a/drivers/media/video/cx18/cx18-av-vbi.c +++ b/drivers/media/video/cx18/cx18-av-vbi.c @@ -83,145 +83,6 @@ static int decode_vps(u8 *dst, u8 *p) return err & 0xf0; } -void cx18_av_vbi_setup(struct cx18 *cx) -{ - struct cx18_av_state *state = &cx->av_state; - v4l2_std_id std = state->std; - int hblank, hactive, burst, vblank, vactive, sc; - int 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) - cx18_av_write(cx, 0x49f, 0x11); - else - cx18_av_write(cx, 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_PAL) { - uv_lpf = 1; - comb = 0x20; - sc = 0x0a8263; - } else if (std == V4L2_STD_PAL_Nc) { - uv_lpf = 1; - comb = 0x20; - sc = 0x087da5; - } else { /* SECAM */ - uv_lpf = 0; - comb = 0; - sc = 0x0a425f; - } - } else { - hactive = 720; - hblank = 122; - vactive = 487; - luma_lpf = 1; - uv_lpf = 1; - vblank = 26; - vblank656 = 26; - - src_decimation = 0x21f; - if (std == V4L2_STD_PAL_60) { - burst = 0x5b; - luma_lpf = 2; - comb = 0x20; - sc = 0x0a8263; - } else if (std == V4L2_STD_PAL_M) { - burst = 0x61; - comb = 0x20; - sc = 555452; - } else { - burst = 0x5b; - comb = 0x66; - sc = 556063; - } - } - - /* DEBUG: Displays configured PLL frequency */ - pll_int = cx18_av_read(cx, 0x108); - pll_frac = cx18_av_read4(cx, 0x10c) & 0x1ffffff; - pll_post = cx18_av_read(cx, 0x109); - CX18_DEBUG_INFO("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) << 25) + pll_frac); - - pll >>= 25; - pll /= pll_post; - CX18_DEBUG_INFO("PLL = %d.%06d MHz\n", - pll / 1000000, pll % 1000000); - CX18_DEBUG_INFO("PLL/8 = %d.%06d MHz\n", - pll / 8000000, (pll / 8) % 1000000); - - fin = ((u64)src_decimation * pll) >> 12; - CX18_DEBUG_INFO("ADC Sampling freq = %d.%06d MHz\n", - fin / 1000000, fin % 1000000); - - fsc = (((u64)sc) * pll) >> 24L; - CX18_DEBUG_INFO("Chroma sub-carrier freq = %d.%06d MHz\n", - fsc / 1000000, fsc % 1000000); - - CX18_DEBUG_INFO("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 */ - cx18_av_write(cx, 0x470, hblank); - cx18_av_write(cx, 0x471, 0xff & (((hblank >> 8) & 0x3) | - (hactive << 4))); - cx18_av_write(cx, 0x472, hactive >> 4); - - /* Sets burst gate delay */ - cx18_av_write(cx, 0x473, burst); - - /* Sets vertical blanking delay and active duration */ - cx18_av_write(cx, 0x474, vblank); - cx18_av_write(cx, 0x475, 0xff & (((vblank >> 8) & 0x3) | - (vactive << 4))); - cx18_av_write(cx, 0x476, vactive >> 4); - cx18_av_write(cx, 0x477, vblank656); - - /* Sets src decimation rate */ - cx18_av_write(cx, 0x478, 0xff & src_decimation); - cx18_av_write(cx, 0x479, 0xff & (src_decimation >> 8)); - - /* Sets Luma and UV Low pass filters */ - cx18_av_write(cx, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30)); - - /* Enables comb filters */ - cx18_av_write(cx, 0x47b, comb); - - /* Sets SC Step*/ - cx18_av_write(cx, 0x47c, sc); - cx18_av_write(cx, 0x47d, 0xff & sc >> 8); - cx18_av_write(cx, 0x47e, 0xff & sc >> 16); - - /* Sets VBI parameters */ - if (std & V4L2_STD_625_50) { - cx18_av_write(cx, 0x47f, 0x01); - state->vbi_line_offset = 5; - } else { - cx18_av_write(cx, 0x47f, 0x00); - state->vbi_line_offset = 8; - } -} - int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) { struct cx18_av_state *state = &cx->av_state; @@ -287,8 +148,8 @@ int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) /* raw VBI */ memset(svbi, 0, sizeof(*svbi)); - /* Setup VBI */ - cx18_av_vbi_setup(cx); + /* Setup standard */ + cx18_av_std_setup(cx); /* VBI Offset */ cx18_av_write(cx, 0x47f, vbi_offset); @@ -299,8 +160,8 @@ int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) for (x = 0; x <= 23; x++) lcr[x] = 0x00; - /* Setup VBI */ - cx18_av_vbi_setup(cx); + /* Setup standard */ + cx18_av_std_setup(cx); /* Sliced VBI */ cx18_av_write(cx, 0x404, 0x32); /* Ancillary data */ |
