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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.c879
1 files changed, 879 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c
new file mode 100644
index 000000000000..66864904c99b
--- /dev/null
+++ b/drivers/media/video/cx18/cx18-av-core.c
@@ -0,0 +1,879 @@
+/*
+ * 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"
+
+int cx18_av_write(struct cx18 *cx, u16 addr, u8 value)
+{
+ u32 x = readl(cx->reg_mem + 0xc40000 + (addr & ~3));
+ u32 mask = 0xff;
+ int shift = (addr & 3) * 8;
+
+ x = (x & ~(mask << shift)) | ((u32)value << shift);
+ writel(x, cx->reg_mem + 0xc40000 + (addr & ~3));
+ return 0;
+}
+
+int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value)
+{
+ writel(value, cx->reg_mem + 0xc40000 + addr);
+ return 0;
+}
+
+u8 cx18_av_read(struct cx18 *cx, u16 addr)
+{
+ u32 x = readl(cx->reg_mem + 0xc40000 + (addr & ~3));
+ int shift = (addr & 3) * 8;
+
+ return (x >> shift) & 0xff;
+}
+
+u32 cx18_av_read4(struct cx18 *cx, u16 addr)
+{
+ return readl(cx->reg_mem + 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)
+{
+ 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);
+}
+
+/* ----------------------------------------------------------------------- */
+
+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 */
+ if (std & V4L2_STD_SECAM)
+ cx18_av_write(cx, 0x402, 0);
+ else {
+ cx18_av_write(cx, 0x402, 0x04);
+ 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);
+ } else if (std == V4L2_STD_NTSC_M_KR) {
+ /* South Korea uses A2 audio standard */
+ cx18_av_write(cx, 0x808, 0xf8);
+ } else {
+ /* Others use the BTSC audio standard */
+ cx18_av_write(cx, 0x808, 0xf6);
+ }
+ cx18_av_write(cx, 0x80b, 0x00);
+ } 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_LUMA4 ||
+ 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_SERIAL:
+ /* 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, ~0xf, fmt);
+ cx18_av_and_or(cx, 0x403, ~0x3, pal_m);
+ cx18_av_vbi_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:
+ 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, 0x805);
+ u8 mod_det_stat1 = cx18_av_read(cx, 0x804);
+ 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";
+ }
+ CX18_INFO("Detected audio mode: %s\n", p);
+
+ switch (mod_det_stat1) {
+ case 0x00: p = "BTSC"; 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 0xff: p = "no detected audio standard"; break;
+ default: p = "not defined";
+ }
+ 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 = "BTSC"; 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 = "FM radio"; break;
+ case 0x0f: p = "automatic detection"; break;
+ default: p = "undefined";
+ }
+ 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 (AB)"; break;
+ case 0x06: p = "DUAL2 (AC) (FM)"; break;
+ case 0x07: p = "DUAL3 (BC) (FM)"; break;
+ case 0x08: p = "DUAL4 (AC) (AM)"; break;
+ case 0x09: p = "DUAL5 (BC) (AM)"; break;
+ case 0x0a: p = "SAP"; 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"; break;
+ case 0x0f: p = "automatic standard and mode detection"; break;
+ default: p = "undefined";
+ }
+ 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";
+ }
+ CX18_INFO("Preferred audio mode: %s\n", p);
+
+ if ((audio_config & 0xf) == 0xf) {
+ switch ((afc0 >> 2) & 0x1) {
+ case 0: p = "system DK"; break;
+ case 1: p = "system L"; break;
+ }
+ CX18_INFO("Selected 65 MHz format: %s\n", p);
+
+ switch (afc0 & 0x3) {
+ case 0: p = "BTSC"; break;
+ case 1: p = "EIAJ"; break;
+ case 2: p = "A2-M"; break;
+ default: p = "undefined";
+ }
+ CX18_INFO("Selected 45 MHz format: %s\n", p);
+ }
+}
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-25 08:08:27 +0000