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path: root/drivers/media/video/cx18/cx18-av-core.c
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Diffstat (limited to 'drivers/media/video/cx18/cx18-av-core.c')
-rw-r--r--drivers/media/video/cx18/cx18-av-core.c225
1 files changed, 156 insertions, 69 deletions
diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c
index faca43eb940f..3b0a2c450605 100644
--- a/drivers/media/video/cx18/cx18-av-core.c
+++ b/drivers/media/video/cx18/cx18-av-core.c
@@ -69,58 +69,6 @@ int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 and_mask,
or_value);
}
-int cx18_av_write_no_acfg(struct cx18 *cx, u16 addr, u8 value, int no_acfg_mask)
-{
- int retval;
- u32 saved_reg[8] = {0};
-
- if (no_acfg_mask & CXADEC_NO_ACFG_AFE) {
- saved_reg[0] = cx18_av_read4(cx, CXADEC_CHIP_CTRL);
- saved_reg[1] = cx18_av_read4(cx, CXADEC_AFE_CTRL);
- }
-
- if (no_acfg_mask & CXADEC_NO_ACFG_PLL) {
- saved_reg[2] = cx18_av_read4(cx, CXADEC_PLL_CTRL1);
- saved_reg[3] = cx18_av_read4(cx, CXADEC_VID_PLL_FRAC);
- }
-
- if (no_acfg_mask & CXADEC_NO_ACFG_VID) {
- saved_reg[4] = cx18_av_read4(cx, CXADEC_HORIZ_TIM_CTRL);
- saved_reg[5] = cx18_av_read4(cx, CXADEC_VERT_TIM_CTRL);
- saved_reg[6] = cx18_av_read4(cx, CXADEC_SRC_COMB_CFG);
- saved_reg[7] = cx18_av_read4(cx, CXADEC_CHROMA_VBIOFF_CFG);
- }
-
- retval = cx18_av_write(cx, addr, value);
-
- if (no_acfg_mask & CXADEC_NO_ACFG_AFE) {
- cx18_av_write4(cx, CXADEC_CHIP_CTRL, saved_reg[0]);
- cx18_av_write4(cx, CXADEC_AFE_CTRL, saved_reg[1]);
- }
-
- if (no_acfg_mask & CXADEC_NO_ACFG_PLL) {
- cx18_av_write4(cx, CXADEC_PLL_CTRL1, saved_reg[2]);
- cx18_av_write4(cx, CXADEC_VID_PLL_FRAC, saved_reg[3]);
- }
-
- if (no_acfg_mask & CXADEC_NO_ACFG_VID) {
- cx18_av_write4(cx, CXADEC_HORIZ_TIM_CTRL, saved_reg[4]);
- cx18_av_write4(cx, CXADEC_VERT_TIM_CTRL, saved_reg[5]);
- cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, saved_reg[6]);
- cx18_av_write4(cx, CXADEC_CHROMA_VBIOFF_CFG, saved_reg[7]);
- }
-
- return retval;
-}
-
-int cx18_av_and_or_no_acfg(struct cx18 *cx, u16 addr, unsigned and_mask,
- u8 or_value, int no_acfg_mask)
-{
- return cx18_av_write_no_acfg(cx, addr,
- (cx18_av_read(cx, addr) & and_mask) |
- or_value, no_acfg_mask);
-}
-
/* ----------------------------------------------------------------------- */
static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
@@ -132,6 +80,7 @@ static void log_video_status(struct cx18 *cx);
static void cx18_av_initialize(struct cx18 *cx)
{
+ struct cx18_av_state *state = &cx->av_state;
u32 v;
cx18_av_loadfw(cx);
@@ -211,6 +160,149 @@ static void cx18_av_initialize(struct cx18 *cx)
/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */
/* } */
cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, 0x6628021F);
+ state->default_volume = 228 - cx18_av_read(cx, 0x8d4);
+ state->default_volume = ((state->default_volume / 2) + 23) << 9;
+}
+
+/* ----------------------------------------------------------------------- */
+
+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;
+ }
}
/* ----------------------------------------------------------------------- */
@@ -221,16 +313,9 @@ static void input_change(struct cx18 *cx)
v4l2_std_id std = state->std;
/* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */
- if (std & V4L2_STD_SECAM)
- cx18_av_write_no_acfg(cx, 0x402, 0, CXADEC_NO_ACFG_ALL);
- else {
- cx18_av_write_no_acfg(cx, 0x402, 0x04, CXADEC_NO_ACFG_ALL);
- cx18_av_write(cx, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
- }
- cx18_av_and_or_no_acfg(cx, 0x401, ~0x60, 0,
- CXADEC_NO_ACFG_PLL | CXADEC_NO_ACFG_VID);
- cx18_av_and_or_no_acfg(cx, 0x401, ~0x60, 0x60,
- CXADEC_NO_ACFG_PLL | CXADEC_NO_ACFG_VID);
+ cx18_av_write(cx, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
+ cx18_av_and_or(cx, 0x401, ~0x60, 0);
+ cx18_av_and_or(cx, 0x401, ~0x60, 0x60);
if (std & V4L2_STD_525_60) {
if (std == V4L2_STD_NTSC_M_JP) {
@@ -300,7 +385,8 @@ static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
}
switch (aud_input) {
- case CX18_AV_AUDIO_SERIAL:
+ case CX18_AV_AUDIO_SERIAL1:
+ case CX18_AV_AUDIO_SERIAL2:
/* do nothing, use serial audio input */
break;
case CX18_AV_AUDIO4: reg &= ~0x30; break;
@@ -316,8 +402,7 @@ static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
cx18_av_write(cx, 0x103, reg);
/* Set INPUT_MODE to Composite (0) or S-Video (1) */
- cx18_av_and_or_no_acfg(cx, 0x401, ~0x6, is_composite ? 0 : 0x02,
- CXADEC_NO_ACFG_PLL | CXADEC_NO_ACFG_VID);
+ cx18_av_and_or(cx, 0x401, ~0x6, is_composite ? 0 : 0x02);
/* Set CH_SEL_ADC2 to 1 if input comes from CH3 */
cx18_av_and_or(cx, 0x102, ~0x2, (reg & 0x80) == 0 ? 2 : 0);
/* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */
@@ -373,13 +458,13 @@ static int set_v4lstd(struct cx18 *cx)
This happens for example with the Yuan MPC622. */
if (fmt >= 4 && fmt < 8) {
/* Set format to NTSC-M */
- cx18_av_and_or_no_acfg(cx, 0x400, ~0xf, 1, CXADEC_NO_ACFG_AFE);
+ cx18_av_and_or(cx, 0x400, ~0xf, 1);
/* Turn off LCOMB */
cx18_av_and_or(cx, 0x47b, ~6, 0);
}
- cx18_av_and_or_no_acfg(cx, 0x400, ~0xf, fmt, CXADEC_NO_ACFG_AFE);
- cx18_av_and_or_no_acfg(cx, 0x403, ~0x3, pal_m, CXADEC_NO_ACFG_ALL);
- cx18_av_vbi_setup(cx);
+ cx18_av_and_or(cx, 0x400, ~0x2f, fmt | 0x20);
+ cx18_av_and_or(cx, 0x403, ~0x3, pal_m);
+ cx18_av_std_setup(cx);
input_change(cx);
return 0;
}
@@ -618,6 +703,8 @@ int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg)
switch (qc->id) {
case V4L2_CID_AUDIO_VOLUME:
+ return v4l2_ctrl_query_fill(qc, 0, 65535,
+ 65535 / 100, state->default_volume);
case V4L2_CID_AUDIO_MUTE:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_BASS:
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