The patch number 8378 was added via Hans Verkuil <[EMAIL PROTECTED]>
to http://linuxtv.org/hg/v4l-dvb master development tree.
Kernel patches in this development tree may be modified to be backward
compatible with older kernels. Compatibility modifications will be
removed before inclusion into the mainstream Kernel
If anyone has any objections, please let us know by sending a message to:
[EMAIL PROTECTED]
------
From: Hans Verkuil <[EMAIL PROTECTED]>
cx18: move cx18_av_vbi_setup to av-core.c and rename to cx18_av_std_setup
Same issue as for cx25840: this function sets up the standard timings
and has nothing to do with VBI setup.
Signed-off-by: Hans Verkuil <[EMAIL PROTECTED]>
---
linux/drivers/media/video/cx18/cx18-av-core.c | 143 +++++++++++++++++
linux/drivers/media/video/cx18/cx18-av-core.h | 2
linux/drivers/media/video/cx18/cx18-av-vbi.c | 147 ------------------
3 files changed, 147 insertions(+), 145 deletions(-)
diff -r 66afba4ce32f -r 3e7571e9fb09
linux/drivers/media/video/cx18/cx18-av-core.c
--- a/linux/drivers/media/video/cx18/cx18-av-core.c Thu Jul 17 14:26:45
2008 +0200
+++ b/linux/drivers/media/video/cx18/cx18-av-core.c Thu Jul 17 14:33:08
2008 +0200
@@ -166,6 +166,147 @@ static void cx18_av_initialize(struct cx
/* ----------------------------------------------------------------------- */
+void cx18_av_std_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 = 132;
+ hactive = 720;
+ burst = 93;
+ vblank = 36;
+ vactive = 580;
+ vblank656 = 40;
+ src_decimation = 0x21f;
+
+ luma_lpf = 2;
+ if (std & V4L2_STD_PAL) {
+ uv_lpf = 1;
+ comb = 0x20;
+ sc = 688739;
+ } else if (std == V4L2_STD_PAL_Nc) {
+ uv_lpf = 1;
+ comb = 0x20;
+ sc = 556453;
+ } else { /* SECAM */
+ uv_lpf = 0;
+ comb = 0;
+ sc = 672351;
+ }
+ } 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 = 688739;
+ } 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;
+ }
+}
+
+/* ----------------------------------------------------------------------- */
+
static void input_change(struct cx18 *cx)
{
struct cx18_av_state *state = &cx->av_state;
@@ -323,7 +464,7 @@ static int set_v4lstd(struct cx18 *cx)
}
cx18_av_and_or(cx, 0x400, ~0x2f, fmt | 0x20);
cx18_av_and_or(cx, 0x403, ~0x3, pal_m);
- cx18_av_vbi_setup(cx);
+ cx18_av_std_setup(cx);
input_change(cx);
return 0;
}
diff -r 66afba4ce32f -r 3e7571e9fb09
linux/drivers/media/video/cx18/cx18-av-core.h
--- a/linux/drivers/media/video/cx18/cx18-av-core.h Thu Jul 17 14:26:45
2008 +0200
+++ b/linux/drivers/media/video/cx18/cx18-av-core.h Thu Jul 17 14:33:08
2008 +0200
@@ -306,6 +306,7 @@ int cx18_av_and_or(struct cx18 *cx, u16
int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned mask, u8 value);
int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 mask, u32 value);
int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg);
+void cx18_av_std_setup(struct cx18 *cx);
/* ----------------------------------------------------------------------- */
/* cx18_av-firmware.c */
@@ -318,7 +319,6 @@ void cx18_av_audio_set_path(struct cx18
/* ----------------------------------------------------------------------- */
/* cx18_av-vbi.c */
-void cx18_av_vbi_setup(struct cx18 *cx);
int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg);
#endif
diff -r 66afba4ce32f -r 3e7571e9fb09
linux/drivers/media/video/cx18/cx18-av-vbi.c
--- a/linux/drivers/media/video/cx18/cx18-av-vbi.c Thu Jul 17 14:26:45
2008 +0200
+++ b/linux/drivers/media/video/cx18/cx18-av-vbi.c Thu Jul 17 14:33:08
2008 +0200
@@ -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, unsigne
/* 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, unsigne
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 */
---
Patch is available at:
http://linuxtv.org/hg/v4l-dvb/rev/3e7571e9fb095c40b85796ef16c37e42cd1211da
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