#include <linux/videodev2.h>
#include <linux/i2c.h>
#include <media/v4l2-common.h>
-#include <media/cx25840.h>
-#include "cx25840-core.h"
+#include "cx25840.h"
static int odd_parity(u8 c)
{
void cx25840_vbi_setup(struct i2c_client *client)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
v4l2_std_id std = cx25840_get_v4lstd(client);
- 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) {
+ /* datasheet startup, step 8d */
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;
+ cx25840_write(client, 0x470, 0x84);
+ cx25840_write(client, 0x471, 0x00);
+ cx25840_write(client, 0x472, 0x2d);
+ cx25840_write(client, 0x473, 0x5d);
+
+ cx25840_write(client, 0x474, 0x24);
+ cx25840_write(client, 0x475, 0x40);
+ cx25840_write(client, 0x476, 0x24);
+ cx25840_write(client, 0x477, 0x28);
+
+ cx25840_write(client, 0x478, 0x1f);
+ cx25840_write(client, 0x479, 0x02);
- luma_lpf=2;
if (std & V4L2_STD_SECAM) {
- uv_lpf=0;
- comb=0;
- sc=0x0a425f;
- } 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_M) {
- vblank=20;
- vblank656=24;
- burst=0x61;
- comb=0x20;
-
- sc=555452;
+ cx25840_write(client, 0x47a, 0x80);
+ cx25840_write(client, 0x47b, 0x00);
+ cx25840_write(client, 0x47c, 0x5f);
+ cx25840_write(client, 0x47d, 0x42);
} else {
- vblank=26;
- vblank656=26;
- burst=0x5b;
- comb=0x66;
- sc=556063;
+ cx25840_write(client, 0x47a, 0x90);
+ cx25840_write(client, 0x47b, 0x20);
+ cx25840_write(client, 0x47c, 0x63);
+ cx25840_write(client, 0x47d, 0x82);
}
- }
-
- /* 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));
+ cx25840_write(client, 0x47e, 0x0a);
+ cx25840_write(client, 0x47f, 0x01);
+ } else {
+ /* datasheet startup, step 8d */
+ cx25840_write(client, 0x49f, 0x14);
- /* Sets Luma and UV Low pass filters */
- cx25840_write(client, 0x47a, luma_lpf<<6|((uv_lpf<<4)&0x30));
+ cx25840_write(client, 0x470, 0x7a);
+ cx25840_write(client, 0x471, 0x00);
+ cx25840_write(client, 0x472, 0x2d);
+ cx25840_write(client, 0x473, 0x5b);
- /* Enables comb filters */
- cx25840_write(client, 0x47b, comb);
+ cx25840_write(client, 0x474, 0x1a);
+ cx25840_write(client, 0x475, 0x70);
+ cx25840_write(client, 0x476, 0x1e);
+ cx25840_write(client, 0x477, 0x1e);
- /* Sets SC Step*/
- cx25840_write(client, 0x47c, sc);
- cx25840_write(client, 0x47d, 0xff&sc>>8);
- cx25840_write(client, 0x47e, 0xff&sc>>16);
+ cx25840_write(client, 0x478, 0x1f);
+ cx25840_write(client, 0x479, 0x02);
+ cx25840_write(client, 0x47a, 0x50);
+ cx25840_write(client, 0x47b, 0x66);
- /* Sets VBI parameters */
- if (std & V4L2_STD_625_50) {
- cx25840_write(client, 0x47f, 0x01);
- state->vbi_line_offset = 5;
- } else {
+ cx25840_write(client, 0x47c, 0x1f);
+ cx25840_write(client, 0x47d, 0x7c);
+ cx25840_write(client, 0x47e, 0x08);
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);
struct v4l2_format *fmt;
struct v4l2_sliced_vbi_format *svbi;
case VIDIOC_S_FMT:
{
- int is_pal = !(cx25840_get_v4lstd(client) & V4L2_STD_525_60);
+ int is_pal = !(cx25840_get_v4lstd(client) & V4L2_STD_NTSC);
int vbi_offset = is_pal ? 1 : 0;
int i, x;
u8 lcr[24];
cx25840_vbi_setup(client);
/* Sliced VBI */
- cx25840_write(client, 0x404, 0x32); /* Ancillary data */
+ cx25840_write(client, 0x404, 0x36); /* Ancillery data */
cx25840_write(client, 0x406, 0x13);
cx25840_write(client, 0x47f, vbi_offset);
}
}
- if (is_pal) {
- for (x = 1, i = 0x424; i <= 0x434; i++, x++) {
- cx25840_write(client, i, lcr[6 + x]);
- }
- }
- else {
- for (x = 1, i = 0x424; i <= 0x430; i++, x++) {
- cx25840_write(client, i, lcr[9 + x]);
- }
- for (i = 0x431; i <= 0x434; i++) {
- cx25840_write(client, i, 0);
- }
+ for (x = 1, i = 0x424; i <= 0x434; i++, x++) {
+ cx25840_write(client, i, lcr[6 + x]);
}
cx25840_write(client, 0x43c, 0x16);
if (is_pal) {
cx25840_write(client, 0x474, 0x2a);
} else {
- cx25840_write(client, 0x474, 0x22);
+ cx25840_write(client, 0x474, 0x1a + 6);
}
break;
}
id1 = p[-1];
id2 = p[0] & 0xf;
l = p[2] & 0x3f;
- l += state->vbi_line_offset;
+ l += 5;
p += 4;
switch (id2) {
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