summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/cx18/cx18-av-core.c143
-rw-r--r--drivers/media/video/cx18/cx18-av-core.h2
-rw-r--r--drivers/media/video/cx18/cx18-av-vbi.c147
3 files changed, 147 insertions, 145 deletions
diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c
index 124014253569..3b0a2c450605 100644
--- a/drivers/media/video/cx18/cx18-av-core.c
+++ b/drivers/media/video/cx18/cx18-av-core.c
@@ -166,6 +166,147 @@ static void cx18_av_initialize(struct cx18 *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 --git a/drivers/media/video/cx18/cx18-av-core.h b/drivers/media/video/cx18/cx18-av-core.h
index 49e31bccc557..eb61fa1e0965 100644
--- a/drivers/media/video/cx18/cx18-av-core.h
+++ b/drivers/media/video/cx18/cx18-av-core.h
@@ -306,6 +306,7 @@ u32 cx18_av_read4(struct cx18 *cx, u16 addr);
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 *cx);
/* ----------------------------------------------------------------------- */
/* 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 --git a/drivers/media/video/cx18/cx18-av-vbi.c b/drivers/media/video/cx18/cx18-av-vbi.c
index 0c92f123686f..02fdf57bb678 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 */
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-27 03:33:06 +0300