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);
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);
/* ----------------------------------------------------------------------- */
+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);
}
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;
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);
/* 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);
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 */
projects / linux-2.6 / commitdiff