diff options
author | Hans Verkuil <hverkuil@xs4all.nl> | 2008-07-17 11:08:40 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-20 07:28:00 -0300 |
commit | cb5aa1c62df81ba2cdbae7f7ce469b231d43aba6 (patch) | |
tree | c207c7de9968a112b7bc0387e41a4a7727540702 /drivers/media | |
parent | 5de39b2b1f68253d79f3548ef2d103fd5edae563 (diff) | |
download | linux-cb5aa1c62df81ba2cdbae7f7ce469b231d43aba6.tar.gz linux-cb5aa1c62df81ba2cdbae7f7ce469b231d43aba6.tar.bz2 linux-cb5aa1c62df81ba2cdbae7f7ce469b231d43aba6.zip |
V4L/DVB (8376): cx25840: move cx25840_vbi_setup to core.c and rename to cx25840_std_setup
cx25840_vbi_setup has nothing to do with setting up VBI, but everything
with setting up the standard. Move to cx25840-core.c and rename.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/video/cx25840/cx25840-core.c | 153 | ||||
-rw-r--r-- | drivers/media/video/cx25840/cx25840-core.h | 2 | ||||
-rw-r--r-- | drivers/media/video/cx25840/cx25840-vbi.c | 152 |
3 files changed, 155 insertions, 152 deletions
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index 8d5f25caf01b..120c498cb60c 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -237,7 +237,7 @@ static void cx25840_initialize(struct i2c_client *client) cx25840_write(client, 0x8d3, 0x1f); cx25840_write(client, 0x8e3, 0x03); - cx25840_vbi_setup(client); + cx25840_std_setup(client); /* trial and error says these are needed to get audio */ cx25840_write(client, 0x914, 0xa0); @@ -337,7 +337,7 @@ static void cx23885_initialize(struct i2c_client *client) finish_wait(&state->fw_wait, &wait); destroy_workqueue(q); - cx25840_vbi_setup(client); + cx25840_std_setup(client); /* (re)set input */ set_input(client, state->vid_input, state->aud_input); @@ -348,6 +348,153 @@ static void cx23885_initialize(struct i2c_client *client) /* ----------------------------------------------------------------------- */ +void cx25840_std_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; + 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) + cx25840_write(client, 0x49f, 0x11); + else + cx25840_write(client, 0x49f, 0x14); + + if (std & V4L2_STD_625_50) { + hblank = 132; + hactive = 720; + burst = 93; + vblank = 36; + vactive = 580; + vblank656 = 40; + 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 = 688739; + } + } 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 = 688739; + } 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; + } +} + +/* ----------------------------------------------------------------------- */ + static void input_change(struct i2c_client *client) { struct cx25840_state *state = i2c_get_clientdata(client); @@ -565,7 +712,7 @@ static int set_v4lstd(struct i2c_client *client) } cx25840_and_or(client, 0x400, ~0xf, fmt); cx25840_and_or(client, 0x403, ~0x3, pal_m); - cx25840_vbi_setup(client); + cx25840_std_setup(client); if (!state->is_cx25836) input_change(client); return 0; diff --git a/drivers/media/video/cx25840/cx25840-core.h b/drivers/media/video/cx25840/cx25840-core.h index 8bf797f48b09..27d8e52cd67e 100644 --- a/drivers/media/video/cx25840/cx25840-core.h +++ b/drivers/media/video/cx25840/cx25840-core.h @@ -61,6 +61,7 @@ int cx25840_write4(struct i2c_client *client, u16 addr, u32 value); u8 cx25840_read(struct i2c_client *client, u16 addr); u32 cx25840_read4(struct i2c_client *client, u16 addr); int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value); +void cx25840_std_setup(struct i2c_client *client); /* ----------------------------------------------------------------------- */ /* cx25850-firmware.c */ @@ -73,7 +74,6 @@ void cx25840_audio_set_path(struct i2c_client *client); /* ----------------------------------------------------------------------- */ /* cx25850-vbi.c */ -void cx25840_vbi_setup(struct i2c_client *client); int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg); #endif diff --git a/drivers/media/video/cx25840/cx25840-vbi.c b/drivers/media/video/cx25840/cx25840-vbi.c index c754b9d13369..69f2bbdbb929 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 */ |