/*
* cx18 ADEC audio functions
*
* Derived from cx25840-core.c
*
* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include "cx18-driver.h"
#include "cx18-io.h"
int cx18_av_write(struct cx18 *cx, u16 addr, u8 value)
{
u32 reg = 0xc40000 + (addr & ~3);
u32 mask = 0xff;
int shift = (addr & 3) * 8;
u32 x = cx18_read_reg(cx, reg);
x = (x & ~(mask << shift)) | ((u32)value << shift);
cx18_write_reg(cx, x, reg);
return 0;
}
int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value)
{
cx18_write_reg(cx, value, 0xc40000 + addr);
return 0;
}
int cx18_av_write4_noretry(struct cx18 *cx, u16 addr, u32 value)
{
cx18_write_reg_noretry(cx, value, 0xc40000 + addr);
return 0;
}
u8 cx18_av_read(struct cx18 *cx, u16 addr)
{
u32 x = cx18_read_reg(cx, 0xc40000 + (addr & ~3));
int shift = (addr & 3) * 8;
return (x >> shift) & 0xff;
}
u32 cx18_av_read4(struct cx18 *cx, u16 addr)
{
return cx18_read_reg(cx, 0xc40000 + addr);
}
u32 cx18_av_read4_noretry(struct cx18 *cx, u16 addr)
{
return cx18_read_reg_noretry(cx, 0xc40000 + addr);
}
int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask,
u8 or_value)
{
return cx18_av_write(cx, addr,
(cx18_av_read(cx, addr) & and_mask) |
or_value);
}
int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 and_mask,
u32 or_value)
{
return cx18_av_write4(cx, addr,
(cx18_av_read4(cx, addr) & and_mask) |
or_value);
}
/* ----------------------------------------------------------------------- */
static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
enum cx18_av_audio_input aud_input);
static void log_audio_status(struct cx18 *cx);
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);
/* Stop 8051 code execution */
cx18_av_write4(cx, CXADEC_DL_CTL, 0x03000000);
/* initallize the PLL by toggling sleep bit */
v = cx18_av_read4(cx, CXADEC_HOST_REG1);
/* enable sleep mode */
cx18_av_write4(cx, CXADEC_HOST_REG1, v | 1);
/* disable sleep mode */
cx18_av_write4(cx, CXADEC_HOST_REG1, v & 0xfffe);
/* initialize DLLs */
v = cx18_av_read4(cx, CXADEC_DLL1_DIAG_CTRL) & 0xE1FFFEFF;
/* disable FLD */
cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v);
/* enable FLD */
cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v | 0x10000100);
v = cx18_av_read4(cx, CXADEC_DLL2_DIAG_CTRL) & 0xE1FFFEFF;
/* disable FLD */
cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v);
/* enable FLD */
cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v | 0x06000100);
/* set analog bias currents. Set Vreg to 1.20V. */
cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL1, 0x000A1802);
v = cx18_av_read4(cx, CXADEC_AFE_DIAG_CTRL3) | 1;
/* enable TUNE_FIL_RST */
cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL3, v);
/* disable TUNE_FIL_RST */
cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL3, v & 0xFFFFFFFE);
/* enable 656 output */
cx18_av_and_or4(cx, CXADEC_PIN_CTRL1, ~0, 0x040C00);
/* video output drive strength */
cx18_av_and_or4(cx, CXADEC_PIN_CTRL2, ~0, 0x2);
/* reset video */
cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0x8000);
cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0);
/* set video to auto-detect */
/* Clear bits 11-12 to enable slow locking mode. Set autodetect mode */
/* set the comb notch = 1 */
cx18_av_and_or4(cx, CXADEC_MODE_CTRL, 0xFFF7E7F0, 0x02040800);
/* Enable wtw_en in CRUSH_CTRL (Set bit 22) */
/* Enable maj_sel in CRUSH_CTRL (Set bit 20) */
cx18_av_and_or4(cx, CXADEC_CRUSH_CTRL, ~0, 0x00500000);
/* Set VGA_TRACK_RANGE to 0x20 */
cx18_av_and_or4(cx, CXADEC_DFE_CTRL2, 0xFFFF00FF, 0x00002000);
/* Enable VBI capture */
cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4010253F);
/* cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4010253E); */
/* Set the video input.
The setting in MODE_CTRL gets lost when we do the above setup */
/* EncSetSignalStd(dwDevNum, pEnc->dwSigStd); */
/* EncSetVideoInput(dwDevNum, pEnc->VidIndSelection); */
v = cx18_av_read4(cx, CXADEC_AFE_CTRL);
v &= 0xFFFBFFFF; /* turn OFF bit 18 for droop_comp_ch1 */
v &= 0xFFFF7FFF; /* turn OFF bit 9 for clamp_sel_ch1 */
v &= 0xFFFFFFFE; /* turn OFF bit 0 for 12db_ch1 */
/* v |= 0x00000001;*/ /* turn ON bit 0 for 12db_ch1 */
cx18_av_write4(cx, CXADEC_AFE_CTRL, v);
/* if(dwEnable && dw3DCombAvailable) { */
/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x7728021F); */
/* } else { */
/* 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;
}
}
/* ----------------------------------------------------------------------- */
static void input_change(struct cx18 *cx)
{
struct cx18_av_state *state = &cx->av_state;
v4l2_std_id std = state->std;
/* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */
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) {
/* Japan uses EIAJ audio standard */
cx18_av_write(cx, 0x808, 0xf7);
cx18_av_write(cx, 0x80b, 0x02);
} else if (std == V4L2_STD_NTSC_M_KR) {
/* South Korea uses A2 audio standard */
cx18_av_write(cx, 0x808, 0xf8);
cx18_av_write(cx, 0x80b, 0x03);
} else {
/* Others use the BTSC audio standard */
cx18_av_write(cx, 0x808, 0xf6);
cx18_av_write(cx, 0x80b, 0x01);
}
} else if (std & V4L2_STD_PAL) {
/* Follow tuner change procedure for PAL */
cx18_av_write(cx, 0x808, 0xff);
cx18_av_write(cx, 0x80b, 0x03);
} else if (std & V4L2_STD_SECAM) {
/* Select autodetect for SECAM */
cx18_av_write(cx, 0x808, 0xff);
cx18_av_write(cx, 0x80b, 0x03);
}
if (cx18_av_read(cx, 0x803) & 0x10) {
/* restart audio decoder microcontroller */
cx18_av_and_or(cx, 0x803, ~0x10, 0x00);
cx18_av_and_or(cx, 0x803, ~0x10, 0x10);
}
}
static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
enum cx18_av_audio_input aud_input)
{
struct cx18_av_state *state = &cx->av_state;
u8 is_composite = (vid_input >= CX18_AV_COMPOSITE1 &&
vid_input <= CX18_AV_COMPOSITE8);
u8 reg;
CX18_DEBUG_INFO("decoder set video input %d, audio input %d\n",
vid_input, aud_input);
if (is_composite) {
reg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1);
} else {
int luma = vid_input & 0xf0;
int chroma = vid_input & 0xf00;
if ((vid_input & ~0xff0) ||
luma < CX18_AV_SVIDEO_LUMA1 ||
luma > CX18_AV_SVIDEO_LUMA8 ||
chroma < CX18_AV_SVIDEO_CHROMA4 ||
chroma > CX18_AV_SVIDEO_CHROMA8) {
CX18_ERR("0x%04x is not a valid video input!\n",
vid_input);
return -EINVAL;
}
reg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4);
if (chroma >= CX18_AV_SVIDEO_CHROMA7) {
reg &= 0x3f;
reg |= (chroma - CX18_AV_SVIDEO_CHROMA7) >> 2;
} else {
reg &= 0xcf;
reg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4;
}
}
switch (aud_input) {
case CX18_AV_AUDIO_SERIAL1:
case CX18_AV_AUDIO_SERIAL2:
/* do nothing, use serial audio input */
break;
case CX18_AV_AUDIO4: reg &= ~0x30; break;
case CX18_AV_AUDIO5: reg &= ~0x30; reg |= 0x10; break;
case CX18_AV_AUDIO6: reg &= ~0x30; reg |= 0x20; break;
case CX18_AV_AUDIO7: reg &= ~0xc0; break;
case CX18_AV_AUDIO8: reg &= ~0xc0; reg |= 0x40; break;
default:
CX18_ERR("0x%04x is not a valid audio input!\n", aud_input);
return -EINVAL;
}
cx18_av_write(cx, 0x103, reg);
/* Set INPUT_MODE to Composite (0) or S-Video (1) */
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 */
if ((reg & 0xc0) != 0xc0 && (reg & 0x30) != 0x30)
cx18_av_and_or(cx, 0x102, ~0x4, 4);
else
cx18_av_and_or(cx, 0x102, ~0x4, 0);
/*cx18_av_and_or4(cx, 0x104, ~0x001b4180, 0x00004180);*/
state->vid_input = vid_input;
state->aud_input = aud_input;
cx18_av_audio_set_path(cx);
input_change(cx);
return 0;
}
/* ----------------------------------------------------------------------- */
static int set_v4lstd(struct cx18 *cx)
{
struct cx18_av_state *state = &cx->av_state;
u8 fmt = 0; /* zero is autodetect */
u8 pal_m = 0;
/* First tests should be against specific std */
if (state->std == V4L2_STD_NTSC_M_JP) {
fmt = 0x2;
} else if (state->std == V4L2_STD_NTSC_443) {
fmt = 0x3;
} else if (state->std == V4L2_STD_PAL_M) {
pal_m = 1;
fmt = 0x5;
} else if (state->std == V4L2_STD_PAL_N) {
fmt = 0x6;
} else if (state->std == V4L2_STD_PAL_Nc) {
fmt = 0x7;
} else if (state->std == V4L2_STD_PAL_60) {
fmt = 0x8;
} else {
/* Then, test against generic ones */
if (state->std & V4L2_STD_NTSC)
fmt = 0x1;
else if (state->std & V4L2_STD_PAL)
fmt = 0x4;
else if (state->std & V4L2_STD_SECAM)
fmt = 0xc;
}
CX18_DEBUG_INFO("changing video std to fmt %i\n", fmt);
/* Follow step 9 of section 3.16 in the cx18_av datasheet.
Without this PAL may display a vertical ghosting effect.
This happens for example with the Yuan MPC622. */
if (fmt >= 4 && fmt < 8) {
/* Set format to NTSC-M */
cx18_av_and_or(cx, 0x400, ~0xf, 1);
/* Turn off LCOMB */
cx18_av_and_or(cx, 0x47b, ~6, 0);
}
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;
}
/* ----------------------------------------------------------------------- */
static int set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl)
{
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
if (ctrl->value < 0 || ctrl->value > 255) {
CX18_ERR("invalid brightness setting %d\n",
ctrl->value);
return -ERANGE;
}
cx18_av_write(cx, 0x414, ctrl->value - 128);
break;
case V4L2_CID_CONTRAST:
if (ctrl->value < 0 || ctrl->value > 127) {
CX18_ERR("invalid contrast setting %d\n",
ctrl->value);
return -ERANGE;
}
cx18_av_write(cx, 0x415, ctrl->value << 1);
break;
case V4L2_CID_SATURATION:
if (ctrl->value < 0 || ctrl->value > 127) {
CX18_ERR("invalid saturation setting %d\n",
ctrl->value);
return -ERANGE;
}
cx18_av_write(cx, 0x420, ctrl->value << 1);
cx18_av_write(cx, 0x421, ctrl->value << 1);
break;
case V4L2_CID_HUE:
if (ctrl->value < -127 || ctrl->value > 127) {
CX18_ERR("invalid hue setting %d\n", ctrl->value);
return -ERANGE;
}
cx18_av_write(cx, 0x422, ctrl->value);
break;
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_MUTE:
return cx18_av_audio(cx, VIDIOC_S_CTRL, ctrl);
default:
return -EINVAL;
}
return 0;
}
static int get_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl)
{
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
ctrl->value = (s8)cx18_av_read(cx, 0x414) + 128;
break;
case V4L2_CID_CONTRAST:
ctrl->value = cx18_av_read(cx, 0x415) >> 1;
break;
case V4L2_CID_SATURATION:
ctrl->value = cx18_av_read(cx, 0x420) >> 1;
break;
case V4L2_CID_HUE:
ctrl->value = (s8)cx18_av_read(cx, 0x422);
break;
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_MUTE:
return cx18_av_audio(cx, VIDIOC_G_CTRL, ctrl);
default:
return -EINVAL;
}
return 0;
}
/* ----------------------------------------------------------------------- */
static int get_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt)
{
switch (fmt->type) {
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
return cx18_av_vbi(cx, VIDIOC_G_FMT, fmt);
default:
return -EINVAL;
}
return 0;
}
static int set_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt)
{
struct cx18_av_state *state = &cx->av_state;
struct v4l2_pix_format *pix;
int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
int is_50Hz = !(state->std & V4L2_STD_525_60);
switch (fmt->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
pix = &(fmt->fmt.pix);
Vsrc = (cx18_av_read(cx, 0x476) & 0x3f) << 4;
Vsrc |= (cx18_av_read(cx, 0x475) & 0xf0) >> 4;
Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4;
Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4;
Vlines = pix->height + (is_50Hz ? 4 : 7);
if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) ||
(Vlines * 8 < Vsrc) || (Vsrc < Vlines)) {
CX18_ERR("%dx%d is not a valid size!\n",
pix->width, pix->height);
return -ERANGE;
}
HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20);
VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9));
VSC &= 0x1fff;
if (pix->width >= 385)
filter = 0;
else if (pix->width > 192)
filter = 1;
else if (pix->width > 96)
filter = 2;
else
filter = 3;
CX18_DEBUG_INFO("decoder set size %dx%d -> scale %ux%u\n",
pix->width, pix->height, HSC, VSC);
/* HSCALE=HSC */
cx18_av_write(cx, 0x418, HSC & 0xff);
cx18_av_write(cx, 0x419, (HSC >> 8) & 0xff);
cx18_av_write(cx, 0x41a, HSC >> 16);
/* VSCALE=VSC */
cx18_av_write(cx, 0x41c, VSC & 0xff);
cx18_av_write(cx, 0x41d, VSC >> 8);
/* VS_INTRLACE=1 VFILT=filter */
cx18_av_write(cx, 0x41e, 0x8 | filter);
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt);
case V4L2_BUF_TYPE_VBI_CAPTURE:
return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt);
default:
return -EINVAL;
}
return 0;
}
/* ----------------------------------------------------------------------- */
int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg)
{
struct cx18_av_state *state = &cx->av_state;
struct v4l2_tuner *vt = arg;
struct v4l2_routing *route = arg;
/* ignore these commands */
switch (cmd) {
case TUNER_SET_TYPE_ADDR:
return 0;
}
if (!state->is_initialized) {
CX18_DEBUG_INFO("cmd %08x triggered fw load\n", cmd);
/* initialize on first use */
state->is_initialized = 1;
cx18_av_initialize(cx);
}
switch (cmd) {
case VIDIOC_INT_DECODE_VBI_LINE:
return cx18_av_vbi(cx, cmd, arg);
case VIDIOC_INT_AUDIO_CLOCK_FREQ:
return cx18_av_audio(cx, cmd, arg);
case VIDIOC_STREAMON:
CX18_DEBUG_INFO("enable output\n");
cx18_av_write(cx, 0x115, 0x8c);
cx18_av_write(cx, 0x116, 0x07);
break;
case VIDIOC_STREAMOFF:
CX18_DEBUG_INFO("disable output\n");
cx18_av_write(cx, 0x115, 0x00);
cx18_av_write(cx, 0x116, 0x00);
break;
case VIDIOC_LOG_STATUS:
log_video_status(cx);
log_audio_status(cx);
break;
case VIDIOC_G_CTRL:
return get_v4lctrl(cx, (struct v4l2_control *)arg);
case VIDIOC_S_CTRL:
return set_v4lctrl(cx, (struct v4l2_control *)arg);
case VIDIOC_QUERYCTRL:
{
struct v4l2_queryctrl *qc = arg;
switch (qc->id) {
case V4L2_CID_BRIGHTNESS:
case V4L2_CID_CONTRAST:
case V4L2_CID_SATURATION:
case V4L2_CID_HUE:
return v4l2_ctrl_query_fill_std(qc);
default:
break;
}
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:
case V4L2_CID_AUDIO_TREBLE:
return v4l2_ctrl_query_fill_std(qc);
default:
return -EINVAL;
}
return -EINVAL;
}
case VIDIOC_G_STD:
*(v4l2_std_id *)arg = state->std;
break;
case VIDIOC_S_STD:
if (state->radio == 0 && state->std == *(v4l2_std_id *)arg)
return 0;
state->radio = 0;
state->std = *(v4l2_std_id *)arg;
return set_v4lstd(cx);
case AUDC_SET_RADIO:
state->radio = 1;
break;
case VIDIOC_INT_G_VIDEO_ROUTING:
route->input = state->vid_input;
route->output = 0;
break;
case VIDIOC_INT_S_VIDEO_ROUTING:
return set_input(cx, route->input, state->aud_input);
case VIDIOC_INT_G_AUDIO_ROUTING:
route->input = state->aud_input;
route->output = 0;
break;
case VIDIOC_INT_S_AUDIO_ROUTING:
return set_input(cx, state->vid_input, route->input);
case VIDIOC_S_FREQUENCY:
input_change(cx);
break;
case VIDIOC_G_TUNER:
{
u8 vpres = cx18_av_read(cx, 0x40e) & 0x20;
u8 mode;
int val = 0;
if (state->radio)
break;
vt->signal = vpres ? 0xffff : 0x0;
vt->capability |=
V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
mode = cx18_av_read(cx, 0x804);
/* get rxsubchans and audmode */
if ((mode & 0xf) == 1)
val |= V4L2_TUNER_SUB_STEREO;
else
val |= V4L2_TUNER_SUB_MONO;
if (mode == 2 || mode == 4)
val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
if (mode & 0x10)
val |= V4L2_TUNER_SUB_SAP;
vt->rxsubchans = val;
vt->audmode = state->audmode;
break;
}
case VIDIOC_S_TUNER:
if (state->radio)
break;
switch (vt->audmode) {
case V4L2_TUNER_MODE_MONO:
/* mono -> mono
stereo -> mono
bilingual -> lang1 */
cx18_av_and_or(cx, 0x809, ~0xf, 0x00);
break;
case V4L2_TUNER_MODE_STEREO:
case V4L2_TUNER_MODE_LANG1:
/* mono -> mono
stereo -> stereo
bilingual -> lang1 */
cx18_av_and_or(cx, 0x809, ~0xf, 0x04);
break;
case V4L2_TUNER_MODE_LANG1_LANG2:
/* mono -> mono
stereo -> stereo
bilingual -> lang1/lang2 */
cx18_av_and_or(cx, 0x809, ~0xf, 0x07);
break;
case V4L2_TUNER_MODE_LANG2:
/* mono -> mono
stereo -> stereo
bilingual -> lang2 */
cx18_av_and_or(cx, 0x809, ~0xf, 0x01);
break;
default:
return -EINVAL;
}
state->audmode = vt->audmode;
break;
case VIDIOC_G_FMT:
return get_v4lfmt(cx, (struct v4l2_format *)arg);
case VIDIOC_S_FMT:
return set_v4lfmt(cx, (struct v4l2_format *)arg);
case VIDIOC_INT_RESET:
cx18_av_initialize(cx);
break;
default:
return -EINVAL;
}
return 0;
}
/* ----------------------------------------------------------------------- */
/* ----------------------------------------------------------------------- */
static void log_video_status(struct cx18 *cx)
{
static const char *const fmt_strs[] = {
"0x0",
"NTSC-M", "NTSC-J", "NTSC-4.43",
"PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60",
"0x9", "0xA", "0xB",
"SECAM",
"0xD", "0xE", "0xF"
};
struct cx18_av_state *state = &cx->av_state;
u8 vidfmt_sel = cx18_av_read(cx, 0x400) & 0xf;
u8 gen_stat1 = cx18_av_read(cx, 0x40d);
u8 gen_stat2 = cx18_av_read(cx, 0x40e);
int vid_input = state->vid_input;
CX18_INFO("Video signal: %spresent\n",
(gen_stat2 & 0x20) ? "" : "not ");
CX18_INFO("Detected format: %s\n",
fmt_strs[gen_stat1 & 0xf]);
CX18_INFO("Specified standard: %s\n",
vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection");
if (vid_input >= CX18_AV_COMPOSITE1 &&
vid_input <= CX18_AV_COMPOSITE8) {
CX18_INFO("Specified video input: Composite %d\n",
vid_input - CX18_AV_COMPOSITE1 + 1);
} else {
CX18_INFO("Specified video input: S-Video (Luma In%d, Chroma In%d)\n",
(vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8);
}
CX18_INFO("Specified audioclock freq: %d Hz\n", state->audclk_freq);
}
/* ----------------------------------------------------------------------- */
static void log_audio_status(struct cx18 *cx)
{
struct cx18_av_state *state = &cx->av_state;
u8 download_ctl = cx18_av_read(cx, 0x803);
u8 mod_det_stat0 = cx18_av_read(cx, 0x804);
u8 mod_det_stat1 = cx18_av_read(cx, 0x805);
u8 audio_config = cx18_av_read(cx, 0x808);
u8 pref_mode = cx18_av_read(cx, 0x809);
u8 afc0 = cx18_av_read(cx, 0x80b);
u8 mute_ctl = cx18_av_read(cx, 0x8d3);
int aud_input = state->aud_input;
char *p;
switch (mod_det_stat0) {
case 0x00: p = "mono"; break;
case 0x01: p = "stereo"; break;
case 0x02: p = "dual"; break;
case 0x04: p = "tri"; break;
case 0x10: p = "mono with SAP"; break;
case 0x11: p = "stereo with SAP"; break;
case 0x12: p = "dual with SAP"; break;
case 0x14: p = "tri with SAP"; break;
case 0xfe: p = "forced mode"; break;
default: p = "not defined"; break;
}
CX18_INFO("Detected audio mode: %s\n", p);
switch (mod_det_stat1) {
case 0x00: p = "not defined"; break;
case 0x01: p = "EIAJ"; break;
case 0x02: p = "A2-M"; break;
case 0x03: p = "A2-BG"; break;
case 0x04: p = "A2-DK1"; break;
case 0x05: p = "A2-DK2"; break;
case 0x06: p = "A2-DK3"; break;
case 0x07: p = "A1 (6.0 MHz FM Mono)"; break;
case 0x08: p = "AM-L"; break;
case 0x09: p = "NICAM-BG"; break;
case 0x0a: p = "NICAM-DK"; break;
case 0x0b: p = "NICAM-I"; break;
case 0x0c: p = "NICAM-L"; break;
case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break;
case 0x0e: p = "IF FM Radio"; break;
case 0x0f: p = "BTSC"; break;
case 0x10: p = "detected chrominance"; break;
case 0xfd: p = "unknown audio standard"; break;
case 0xfe: p = "forced audio standard"; break;
case 0xff: p = "no detected audio standard"; break;
default: p = "not defined"; break;
}
CX18_INFO("Detected audio standard: %s\n", p);
CX18_INFO("Audio muted: %s\n",
(mute_ctl & 0x2) ? "yes" : "no");
CX18_INFO("Audio microcontroller: %s\n",
(download_ctl & 0x10) ? "running" : "stopped");
switch (audio_config >> 4) {
case 0x00: p = "undefined"; break;
case 0x01: p = "BTSC"; break;
case 0x02: p = "EIAJ"; break;
case 0x03: p = "A2-M"; break;
case 0x04: p = "A2-BG"; break;
case 0x05: p = "A2-DK1"; break;
case 0x06: p = "A2-DK2"; break;
case 0x07: p = "A2-DK3"; break;
case 0x08: p = "A1 (6.0 MHz FM Mono)"; break;
case 0x09: p = "AM-L"; break;
case 0x0a: p = "NICAM-BG"; break;
case 0x0b: p = "NICAM-DK"; break;
case 0x0c: p = "NICAM-I"; break;
case 0x0d: p = "NICAM-L"; break;
case 0x0e: p = "FM radio"; break;
case 0x0f: p = "automatic detection"; break;
default: p = "undefined"; break;
}
CX18_INFO("Configured audio standard: %s\n", p);
if ((audio_config >> 4) < 0xF) {
switch (audio_config & 0xF) {
case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break;
case 0x01: p = "MONO2 (LANGUAGE B)"; break;
case 0x02: p = "MONO3 (STEREO forced MONO)"; break;
case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break;
case 0x04: p = "STEREO"; break;
case 0x05: p = "DUAL1 (AC)"; break;
case 0x06: p = "DUAL2 (BC)"; break;
case 0x07: p = "DUAL3 (AB)"; break;
default: p = "undefined";
}
CX18_INFO("Configured audio mode: %s\n", p);
} else {
switch (audio_config & 0xF) {
case 0x00: p = "BG"; break;
case 0x01: p = "DK1"; break;
case 0x02: p = "DK2"; break;
case 0x03: p = "DK3"; break;
case 0x04: p = "I"; break;
case 0x05: p = "L"; break;
case 0x06: p = "BTSC"; break;
case 0x07: p = "EIAJ"; break;
case 0x08: p = "A2-M"; break;
case 0x09: p = "FM Radio (4.5 MHz)"; break;
case 0x0a: p = "FM Radio (5.5 MHz)"; break;
case 0x0b: p = "S-Video"; break;
case 0x0f: p = "automatic standard and mode detection"; break;
default: p = "undefined"; break;
}
CX18_INFO("Configured audio system: %s\n", p);
}
if (aud_input)
CX18_INFO("Specified audio input: Tuner (In%d)\n",
aud_input);
else
CX18_INFO("Specified audio input: External\n");
switch (pref_mode & 0xf) {
case 0: p = "mono/language A"; break;
case 1: p = "language B"; break;
case 2: p = "language C"; break;
case 3: p = "analog fallback"; break;
case 4: p = "stereo"; break;
case 5: p = "language AC"; break;
case 6: p = "language BC"; break;
case 7: p = "language AB"; break;
default: p = "undefined"; break;
}
CX18_INFO("Preferred audio mode: %s\n", p);
if ((audio_config & 0xf) == 0xf) {
switch ((afc0 >> 3) & 0x1) {
case 0: p = "system DK"; break;
case 1: p = "system L"; break;
}
CX18_INFO("Selected 65 MHz format: %s\n", p);
switch (afc0 & 0x7) {
case 0: p = "Chroma"; break;
case 1: p = "BTSC"; break;
case 2: p = "EIAJ"; break;
case 3: p = "A2-M"; break;
case 4: p = "autodetect"; break;
default: p = "undefined"; break;
}
CX18_INFO("Selected 45 MHz format: %s\n", p);
}
}
