2 * cx18 ADEC audio functions
4 * Derived from cx25840-core.c
6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
24 #include "cx18-driver.h"
27 int cx18_av_write(struct cx18 *cx, u16 addr, u8 value)
29 u32 reg = 0xc40000 + (addr & ~3);
31 int shift = (addr & 3) * 8;
32 u32 x = cx18_read_reg(cx, reg);
34 x = (x & ~(mask << shift)) | ((u32)value << shift);
35 cx18_write_reg(cx, x, reg);
39 int cx18_av_write_expect(struct cx18 *cx, u16 addr, u8 value, u8 eval, u8 mask)
41 u32 reg = 0xc40000 + (addr & ~3);
42 int shift = (addr & 3) * 8;
43 u32 x = cx18_read_reg(cx, reg);
45 x = (x & ~((u32)0xff << shift)) | ((u32)value << shift);
46 cx18_write_reg_expect(cx, x, reg,
47 ((u32)eval << shift), ((u32)mask << shift));
51 int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value)
53 cx18_write_reg(cx, value, 0xc40000 + addr);
58 cx18_av_write4_expect(struct cx18 *cx, u16 addr, u32 value, u32 eval, u32 mask)
60 cx18_write_reg_expect(cx, value, 0xc40000 + addr, eval, mask);
64 int cx18_av_write4_noretry(struct cx18 *cx, u16 addr, u32 value)
66 cx18_write_reg_noretry(cx, value, 0xc40000 + addr);
70 u8 cx18_av_read(struct cx18 *cx, u16 addr)
72 u32 x = cx18_read_reg(cx, 0xc40000 + (addr & ~3));
73 int shift = (addr & 3) * 8;
75 return (x >> shift) & 0xff;
78 u32 cx18_av_read4(struct cx18 *cx, u16 addr)
80 return cx18_read_reg(cx, 0xc40000 + addr);
83 u32 cx18_av_read4_noretry(struct cx18 *cx, u16 addr)
85 return cx18_read_reg_noretry(cx, 0xc40000 + addr);
88 int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask,
91 return cx18_av_write(cx, addr,
92 (cx18_av_read(cx, addr) & and_mask) |
96 int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 and_mask,
99 return cx18_av_write4(cx, addr,
100 (cx18_av_read4(cx, addr) & and_mask) |
104 /* ----------------------------------------------------------------------- */
106 static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
107 enum cx18_av_audio_input aud_input);
108 static void log_audio_status(struct cx18 *cx);
109 static void log_video_status(struct cx18 *cx);
111 /* ----------------------------------------------------------------------- */
113 static void cx18_av_initialize(struct cx18 *cx)
115 struct cx18_av_state *state = &cx->av_state;
119 /* Stop 8051 code execution */
120 cx18_av_write4_expect(cx, CXADEC_DL_CTL, 0x03000000,
121 0x03000000, 0x13000000);
123 /* initallize the PLL by toggling sleep bit */
124 v = cx18_av_read4(cx, CXADEC_HOST_REG1);
125 /* enable sleep mode - register appears to be read only... */
126 cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v | 1, v, 0xfffe);
127 /* disable sleep mode */
128 cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v & 0xfffe,
131 /* initialize DLLs */
132 v = cx18_av_read4(cx, CXADEC_DLL1_DIAG_CTRL) & 0xE1FFFEFF;
134 cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v);
136 cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v | 0x10000100);
138 v = cx18_av_read4(cx, CXADEC_DLL2_DIAG_CTRL) & 0xE1FFFEFF;
140 cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v);
142 cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v | 0x06000100);
144 /* set analog bias currents. Set Vreg to 1.20V. */
145 cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL1, 0x000A1802);
147 v = cx18_av_read4(cx, CXADEC_AFE_DIAG_CTRL3) | 1;
148 /* enable TUNE_FIL_RST */
149 cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3, v, v, 0x03009F0F);
150 /* disable TUNE_FIL_RST */
151 cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3,
152 v & 0xFFFFFFFE, v & 0xFFFFFFFE, 0x03009F0F);
154 /* enable 656 output */
155 cx18_av_and_or4(cx, CXADEC_PIN_CTRL1, ~0, 0x040C00);
157 /* video output drive strength */
158 cx18_av_and_or4(cx, CXADEC_PIN_CTRL2, ~0, 0x2);
161 cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0x8000);
162 cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0);
164 /* set video to auto-detect */
165 /* Clear bits 11-12 to enable slow locking mode. Set autodetect mode */
166 /* set the comb notch = 1 */
167 cx18_av_and_or4(cx, CXADEC_MODE_CTRL, 0xFFF7E7F0, 0x02040800);
169 /* Enable wtw_en in CRUSH_CTRL (Set bit 22) */
170 /* Enable maj_sel in CRUSH_CTRL (Set bit 20) */
171 cx18_av_and_or4(cx, CXADEC_CRUSH_CTRL, ~0, 0x00500000);
173 /* Set VGA_TRACK_RANGE to 0x20 */
174 cx18_av_and_or4(cx, CXADEC_DFE_CTRL2, 0xFFFF00FF, 0x00002000);
176 /* Enable VBI capture */
177 cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4010253F);
178 /* cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4010253E); */
180 /* Set the video input.
181 The setting in MODE_CTRL gets lost when we do the above setup */
182 /* EncSetSignalStd(dwDevNum, pEnc->dwSigStd); */
183 /* EncSetVideoInput(dwDevNum, pEnc->VidIndSelection); */
185 v = cx18_av_read4(cx, CXADEC_AFE_CTRL);
186 v &= 0xFFFBFFFF; /* turn OFF bit 18 for droop_comp_ch1 */
187 v &= 0xFFFF7FFF; /* turn OFF bit 9 for clamp_sel_ch1 */
188 v &= 0xFFFFFFFE; /* turn OFF bit 0 for 12db_ch1 */
189 /* v |= 0x00000001;*/ /* turn ON bit 0 for 12db_ch1 */
190 cx18_av_write4(cx, CXADEC_AFE_CTRL, v);
192 /* if(dwEnable && dw3DCombAvailable) { */
193 /* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x7728021F); */
195 /* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */
197 cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, 0x6628021F);
198 state->default_volume = 228 - cx18_av_read(cx, 0x8d4);
199 state->default_volume = ((state->default_volume / 2) + 23) << 9;
202 /* ----------------------------------------------------------------------- */
204 void cx18_av_std_setup(struct cx18 *cx)
206 struct cx18_av_state *state = &cx->av_state;
207 v4l2_std_id std = state->std;
208 int hblank, hactive, burst, vblank, vactive, sc;
209 int vblank656, src_decimation;
210 int luma_lpf, uv_lpf, comb;
211 u32 pll_int, pll_frac, pll_post;
213 /* datasheet startup, step 8d */
214 if (std & ~V4L2_STD_NTSC)
215 cx18_av_write(cx, 0x49f, 0x11);
217 cx18_av_write(cx, 0x49f, 0x14);
219 if (std & V4L2_STD_625_50) {
226 src_decimation = 0x21f;
229 if (std & V4L2_STD_PAL) {
233 } else if (std == V4L2_STD_PAL_Nc) {
251 src_decimation = 0x21f;
252 if (std == V4L2_STD_PAL_60) {
257 } else if (std == V4L2_STD_PAL_M) {
268 /* DEBUG: Displays configured PLL frequency */
269 pll_int = cx18_av_read(cx, 0x108);
270 pll_frac = cx18_av_read4(cx, 0x10c) & 0x1ffffff;
271 pll_post = cx18_av_read(cx, 0x109);
272 CX18_DEBUG_INFO("PLL regs = int: %u, frac: %u, post: %u\n",
273 pll_int, pll_frac, pll_post);
277 int pll = 28636363L * ((((u64)pll_int) << 25) + pll_frac);
281 CX18_DEBUG_INFO("PLL = %d.%06d MHz\n",
282 pll / 1000000, pll % 1000000);
283 CX18_DEBUG_INFO("PLL/8 = %d.%06d MHz\n",
284 pll / 8000000, (pll / 8) % 1000000);
286 fin = ((u64)src_decimation * pll) >> 12;
287 CX18_DEBUG_INFO("ADC Sampling freq = %d.%06d MHz\n",
288 fin / 1000000, fin % 1000000);
290 fsc = (((u64)sc) * pll) >> 24L;
291 CX18_DEBUG_INFO("Chroma sub-carrier freq = %d.%06d MHz\n",
292 fsc / 1000000, fsc % 1000000);
294 CX18_DEBUG_INFO("hblank %i, hactive %i, "
295 "vblank %i , vactive %i, vblank656 %i, src_dec %i,"
296 "burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x,"
298 hblank, hactive, vblank, vactive, vblank656,
299 src_decimation, burst, luma_lpf, uv_lpf, comb, sc);
302 /* Sets horizontal blanking delay and active lines */
303 cx18_av_write(cx, 0x470, hblank);
304 cx18_av_write(cx, 0x471, 0xff & (((hblank >> 8) & 0x3) |
306 cx18_av_write(cx, 0x472, hactive >> 4);
308 /* Sets burst gate delay */
309 cx18_av_write(cx, 0x473, burst);
311 /* Sets vertical blanking delay and active duration */
312 cx18_av_write(cx, 0x474, vblank);
313 cx18_av_write(cx, 0x475, 0xff & (((vblank >> 8) & 0x3) |
315 cx18_av_write(cx, 0x476, vactive >> 4);
316 cx18_av_write(cx, 0x477, vblank656);
318 /* Sets src decimation rate */
319 cx18_av_write(cx, 0x478, 0xff & src_decimation);
320 cx18_av_write(cx, 0x479, 0xff & (src_decimation >> 8));
322 /* Sets Luma and UV Low pass filters */
323 cx18_av_write(cx, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30));
325 /* Enables comb filters */
326 cx18_av_write(cx, 0x47b, comb);
329 cx18_av_write(cx, 0x47c, sc);
330 cx18_av_write(cx, 0x47d, 0xff & sc >> 8);
331 cx18_av_write(cx, 0x47e, 0xff & sc >> 16);
333 /* Sets VBI parameters */
334 if (std & V4L2_STD_625_50) {
335 cx18_av_write(cx, 0x47f, 0x01);
336 state->vbi_line_offset = 5;
338 cx18_av_write(cx, 0x47f, 0x00);
339 state->vbi_line_offset = 8;
343 /* ----------------------------------------------------------------------- */
345 static void input_change(struct cx18 *cx)
347 struct cx18_av_state *state = &cx->av_state;
348 v4l2_std_id std = state->std;
351 /* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */
352 cx18_av_write(cx, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
353 cx18_av_and_or(cx, 0x401, ~0x60, 0);
354 cx18_av_and_or(cx, 0x401, ~0x60, 0x60);
356 if (std & V4L2_STD_525_60) {
357 if (std == V4L2_STD_NTSC_M_JP) {
358 /* Japan uses EIAJ audio standard */
359 cx18_av_write_expect(cx, 0x808, 0xf7, 0xf7, 0xff);
360 cx18_av_write_expect(cx, 0x80b, 0x02, 0x02, 0x3f);
361 } else if (std == V4L2_STD_NTSC_M_KR) {
362 /* South Korea uses A2 audio standard */
363 cx18_av_write_expect(cx, 0x808, 0xf8, 0xf8, 0xff);
364 cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
366 /* Others use the BTSC audio standard */
367 cx18_av_write_expect(cx, 0x808, 0xf6, 0xf6, 0xff);
368 cx18_av_write_expect(cx, 0x80b, 0x01, 0x01, 0x3f);
370 } else if (std & V4L2_STD_PAL) {
371 /* Follow tuner change procedure for PAL */
372 cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff);
373 cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
374 } else if (std & V4L2_STD_SECAM) {
375 /* Select autodetect for SECAM */
376 cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff);
377 cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
380 v = cx18_av_read(cx, 0x803);
382 /* restart audio decoder microcontroller */
384 cx18_av_write_expect(cx, 0x803, v, v, 0x1f);
386 cx18_av_write_expect(cx, 0x803, v, v, 0x1f);
390 static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
391 enum cx18_av_audio_input aud_input)
393 struct cx18_av_state *state = &cx->av_state;
394 u8 is_composite = (vid_input >= CX18_AV_COMPOSITE1 &&
395 vid_input <= CX18_AV_COMPOSITE8);
399 CX18_DEBUG_INFO("decoder set video input %d, audio input %d\n",
400 vid_input, aud_input);
403 reg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1);
405 int luma = vid_input & 0xf0;
406 int chroma = vid_input & 0xf00;
408 if ((vid_input & ~0xff0) ||
409 luma < CX18_AV_SVIDEO_LUMA1 ||
410 luma > CX18_AV_SVIDEO_LUMA8 ||
411 chroma < CX18_AV_SVIDEO_CHROMA4 ||
412 chroma > CX18_AV_SVIDEO_CHROMA8) {
413 CX18_ERR("0x%04x is not a valid video input!\n",
417 reg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4);
418 if (chroma >= CX18_AV_SVIDEO_CHROMA7) {
420 reg |= (chroma - CX18_AV_SVIDEO_CHROMA7) >> 2;
423 reg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4;
428 case CX18_AV_AUDIO_SERIAL1:
429 case CX18_AV_AUDIO_SERIAL2:
430 /* do nothing, use serial audio input */
432 case CX18_AV_AUDIO4: reg &= ~0x30; break;
433 case CX18_AV_AUDIO5: reg &= ~0x30; reg |= 0x10; break;
434 case CX18_AV_AUDIO6: reg &= ~0x30; reg |= 0x20; break;
435 case CX18_AV_AUDIO7: reg &= ~0xc0; break;
436 case CX18_AV_AUDIO8: reg &= ~0xc0; reg |= 0x40; break;
439 CX18_ERR("0x%04x is not a valid audio input!\n", aud_input);
443 cx18_av_write_expect(cx, 0x103, reg, reg, 0xf7);
444 /* Set INPUT_MODE to Composite (0) or S-Video (1) */
445 cx18_av_and_or(cx, 0x401, ~0x6, is_composite ? 0 : 0x02);
447 /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */
448 v = cx18_av_read(cx, 0x102);
453 /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */
454 if ((reg & 0xc0) != 0xc0 && (reg & 0x30) != 0x30)
458 cx18_av_write_expect(cx, 0x102, v, v, 0x17);
460 /*cx18_av_and_or4(cx, 0x104, ~0x001b4180, 0x00004180);*/
462 state->vid_input = vid_input;
463 state->aud_input = aud_input;
464 cx18_av_audio_set_path(cx);
469 /* ----------------------------------------------------------------------- */
471 static int set_v4lstd(struct cx18 *cx)
473 struct cx18_av_state *state = &cx->av_state;
474 u8 fmt = 0; /* zero is autodetect */
477 /* First tests should be against specific std */
478 if (state->std == V4L2_STD_NTSC_M_JP) {
480 } else if (state->std == V4L2_STD_NTSC_443) {
482 } else if (state->std == V4L2_STD_PAL_M) {
485 } else if (state->std == V4L2_STD_PAL_N) {
487 } else if (state->std == V4L2_STD_PAL_Nc) {
489 } else if (state->std == V4L2_STD_PAL_60) {
492 /* Then, test against generic ones */
493 if (state->std & V4L2_STD_NTSC)
495 else if (state->std & V4L2_STD_PAL)
497 else if (state->std & V4L2_STD_SECAM)
501 CX18_DEBUG_INFO("changing video std to fmt %i\n", fmt);
503 /* Follow step 9 of section 3.16 in the cx18_av datasheet.
504 Without this PAL may display a vertical ghosting effect.
505 This happens for example with the Yuan MPC622. */
506 if (fmt >= 4 && fmt < 8) {
507 /* Set format to NTSC-M */
508 cx18_av_and_or(cx, 0x400, ~0xf, 1);
510 cx18_av_and_or(cx, 0x47b, ~6, 0);
512 cx18_av_and_or(cx, 0x400, ~0x2f, fmt | 0x20);
513 cx18_av_and_or(cx, 0x403, ~0x3, pal_m);
514 cx18_av_std_setup(cx);
519 /* ----------------------------------------------------------------------- */
521 static int set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl)
524 case V4L2_CID_BRIGHTNESS:
525 if (ctrl->value < 0 || ctrl->value > 255) {
526 CX18_ERR("invalid brightness setting %d\n",
531 cx18_av_write(cx, 0x414, ctrl->value - 128);
534 case V4L2_CID_CONTRAST:
535 if (ctrl->value < 0 || ctrl->value > 127) {
536 CX18_ERR("invalid contrast setting %d\n",
541 cx18_av_write(cx, 0x415, ctrl->value << 1);
544 case V4L2_CID_SATURATION:
545 if (ctrl->value < 0 || ctrl->value > 127) {
546 CX18_ERR("invalid saturation setting %d\n",
551 cx18_av_write(cx, 0x420, ctrl->value << 1);
552 cx18_av_write(cx, 0x421, ctrl->value << 1);
556 if (ctrl->value < -127 || ctrl->value > 127) {
557 CX18_ERR("invalid hue setting %d\n", ctrl->value);
561 cx18_av_write(cx, 0x422, ctrl->value);
564 case V4L2_CID_AUDIO_VOLUME:
565 case V4L2_CID_AUDIO_BASS:
566 case V4L2_CID_AUDIO_TREBLE:
567 case V4L2_CID_AUDIO_BALANCE:
568 case V4L2_CID_AUDIO_MUTE:
569 return cx18_av_audio(cx, VIDIOC_S_CTRL, ctrl);
578 static int get_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl)
581 case V4L2_CID_BRIGHTNESS:
582 ctrl->value = (s8)cx18_av_read(cx, 0x414) + 128;
584 case V4L2_CID_CONTRAST:
585 ctrl->value = cx18_av_read(cx, 0x415) >> 1;
587 case V4L2_CID_SATURATION:
588 ctrl->value = cx18_av_read(cx, 0x420) >> 1;
591 ctrl->value = (s8)cx18_av_read(cx, 0x422);
593 case V4L2_CID_AUDIO_VOLUME:
594 case V4L2_CID_AUDIO_BASS:
595 case V4L2_CID_AUDIO_TREBLE:
596 case V4L2_CID_AUDIO_BALANCE:
597 case V4L2_CID_AUDIO_MUTE:
598 return cx18_av_audio(cx, VIDIOC_G_CTRL, ctrl);
606 /* ----------------------------------------------------------------------- */
608 static int get_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt)
611 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
612 return cx18_av_vbi(cx, VIDIOC_G_FMT, fmt);
620 static int set_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt)
622 struct cx18_av_state *state = &cx->av_state;
623 struct v4l2_pix_format *pix;
624 int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
625 int is_50Hz = !(state->std & V4L2_STD_525_60);
628 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
629 pix = &(fmt->fmt.pix);
631 Vsrc = (cx18_av_read(cx, 0x476) & 0x3f) << 4;
632 Vsrc |= (cx18_av_read(cx, 0x475) & 0xf0) >> 4;
634 Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4;
635 Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4;
637 Vlines = pix->height + (is_50Hz ? 4 : 7);
639 if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) ||
640 (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) {
641 CX18_ERR("%dx%d is not a valid size!\n",
642 pix->width, pix->height);
646 HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20);
647 VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9));
650 if (pix->width >= 385)
652 else if (pix->width > 192)
654 else if (pix->width > 96)
659 CX18_DEBUG_INFO("decoder set size %dx%d -> scale %ux%u\n",
660 pix->width, pix->height, HSC, VSC);
663 cx18_av_write(cx, 0x418, HSC & 0xff);
664 cx18_av_write(cx, 0x419, (HSC >> 8) & 0xff);
665 cx18_av_write(cx, 0x41a, HSC >> 16);
667 cx18_av_write(cx, 0x41c, VSC & 0xff);
668 cx18_av_write(cx, 0x41d, VSC >> 8);
669 /* VS_INTRLACE=1 VFILT=filter */
670 cx18_av_write(cx, 0x41e, 0x8 | filter);
673 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
674 return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt);
676 case V4L2_BUF_TYPE_VBI_CAPTURE:
677 return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt);
686 /* ----------------------------------------------------------------------- */
688 int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg)
690 struct cx18_av_state *state = &cx->av_state;
691 struct v4l2_tuner *vt = arg;
692 struct v4l2_routing *route = arg;
694 /* ignore these commands */
696 case TUNER_SET_TYPE_ADDR:
700 if (!state->is_initialized) {
701 CX18_DEBUG_INFO("cmd %08x triggered fw load\n", cmd);
702 /* initialize on first use */
703 state->is_initialized = 1;
704 cx18_av_initialize(cx);
708 case VIDIOC_INT_DECODE_VBI_LINE:
709 return cx18_av_vbi(cx, cmd, arg);
711 case VIDIOC_INT_AUDIO_CLOCK_FREQ:
712 return cx18_av_audio(cx, cmd, arg);
714 case VIDIOC_STREAMON:
715 CX18_DEBUG_INFO("enable output\n");
716 cx18_av_write(cx, 0x115, 0x8c);
717 cx18_av_write(cx, 0x116, 0x07);
720 case VIDIOC_STREAMOFF:
721 CX18_DEBUG_INFO("disable output\n");
722 cx18_av_write(cx, 0x115, 0x00);
723 cx18_av_write(cx, 0x116, 0x00);
726 case VIDIOC_LOG_STATUS:
727 log_video_status(cx);
728 log_audio_status(cx);
732 return get_v4lctrl(cx, (struct v4l2_control *)arg);
735 return set_v4lctrl(cx, (struct v4l2_control *)arg);
737 case VIDIOC_QUERYCTRL:
739 struct v4l2_queryctrl *qc = arg;
742 case V4L2_CID_BRIGHTNESS:
743 case V4L2_CID_CONTRAST:
744 case V4L2_CID_SATURATION:
746 return v4l2_ctrl_query_fill_std(qc);
752 case V4L2_CID_AUDIO_VOLUME:
753 return v4l2_ctrl_query_fill(qc, 0, 65535,
754 65535 / 100, state->default_volume);
755 case V4L2_CID_AUDIO_MUTE:
756 case V4L2_CID_AUDIO_BALANCE:
757 case V4L2_CID_AUDIO_BASS:
758 case V4L2_CID_AUDIO_TREBLE:
759 return v4l2_ctrl_query_fill_std(qc);
767 *(v4l2_std_id *)arg = state->std;
771 if (state->radio == 0 && state->std == *(v4l2_std_id *)arg)
774 state->std = *(v4l2_std_id *)arg;
775 return set_v4lstd(cx);
781 case VIDIOC_INT_G_VIDEO_ROUTING:
782 route->input = state->vid_input;
786 case VIDIOC_INT_S_VIDEO_ROUTING:
787 return set_input(cx, route->input, state->aud_input);
789 case VIDIOC_INT_G_AUDIO_ROUTING:
790 route->input = state->aud_input;
794 case VIDIOC_INT_S_AUDIO_ROUTING:
795 return set_input(cx, state->vid_input, route->input);
797 case VIDIOC_S_FREQUENCY:
803 u8 vpres = cx18_av_read(cx, 0x40e) & 0x20;
810 vt->signal = vpres ? 0xffff : 0x0;
813 V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
814 V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
816 mode = cx18_av_read(cx, 0x804);
818 /* get rxsubchans and audmode */
819 if ((mode & 0xf) == 1)
820 val |= V4L2_TUNER_SUB_STEREO;
822 val |= V4L2_TUNER_SUB_MONO;
824 if (mode == 2 || mode == 4)
825 val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
828 val |= V4L2_TUNER_SUB_SAP;
830 vt->rxsubchans = val;
831 vt->audmode = state->audmode;
842 v = cx18_av_read(cx, 0x809);
845 switch (vt->audmode) {
846 case V4L2_TUNER_MODE_MONO:
849 bilingual -> lang1 */
851 case V4L2_TUNER_MODE_STEREO:
852 case V4L2_TUNER_MODE_LANG1:
855 bilingual -> lang1 */
858 case V4L2_TUNER_MODE_LANG1_LANG2:
861 bilingual -> lang1/lang2 */
864 case V4L2_TUNER_MODE_LANG2:
867 bilingual -> lang2 */
873 cx18_av_write_expect(cx, 0x809, v, v, 0xff);
874 state->audmode = vt->audmode;
879 return get_v4lfmt(cx, (struct v4l2_format *)arg);
882 return set_v4lfmt(cx, (struct v4l2_format *)arg);
884 case VIDIOC_INT_RESET:
885 cx18_av_initialize(cx);
895 /* ----------------------------------------------------------------------- */
897 /* ----------------------------------------------------------------------- */
899 static void log_video_status(struct cx18 *cx)
901 static const char *const fmt_strs[] = {
903 "NTSC-M", "NTSC-J", "NTSC-4.43",
904 "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60",
910 struct cx18_av_state *state = &cx->av_state;
911 u8 vidfmt_sel = cx18_av_read(cx, 0x400) & 0xf;
912 u8 gen_stat1 = cx18_av_read(cx, 0x40d);
913 u8 gen_stat2 = cx18_av_read(cx, 0x40e);
914 int vid_input = state->vid_input;
916 CX18_INFO("Video signal: %spresent\n",
917 (gen_stat2 & 0x20) ? "" : "not ");
918 CX18_INFO("Detected format: %s\n",
919 fmt_strs[gen_stat1 & 0xf]);
921 CX18_INFO("Specified standard: %s\n",
922 vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection");
924 if (vid_input >= CX18_AV_COMPOSITE1 &&
925 vid_input <= CX18_AV_COMPOSITE8) {
926 CX18_INFO("Specified video input: Composite %d\n",
927 vid_input - CX18_AV_COMPOSITE1 + 1);
929 CX18_INFO("Specified video input: S-Video (Luma In%d, Chroma In%d)\n",
930 (vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8);
933 CX18_INFO("Specified audioclock freq: %d Hz\n", state->audclk_freq);
936 /* ----------------------------------------------------------------------- */
938 static void log_audio_status(struct cx18 *cx)
940 struct cx18_av_state *state = &cx->av_state;
941 u8 download_ctl = cx18_av_read(cx, 0x803);
942 u8 mod_det_stat0 = cx18_av_read(cx, 0x804);
943 u8 mod_det_stat1 = cx18_av_read(cx, 0x805);
944 u8 audio_config = cx18_av_read(cx, 0x808);
945 u8 pref_mode = cx18_av_read(cx, 0x809);
946 u8 afc0 = cx18_av_read(cx, 0x80b);
947 u8 mute_ctl = cx18_av_read(cx, 0x8d3);
948 int aud_input = state->aud_input;
951 switch (mod_det_stat0) {
952 case 0x00: p = "mono"; break;
953 case 0x01: p = "stereo"; break;
954 case 0x02: p = "dual"; break;
955 case 0x04: p = "tri"; break;
956 case 0x10: p = "mono with SAP"; break;
957 case 0x11: p = "stereo with SAP"; break;
958 case 0x12: p = "dual with SAP"; break;
959 case 0x14: p = "tri with SAP"; break;
960 case 0xfe: p = "forced mode"; break;
961 default: p = "not defined"; break;
963 CX18_INFO("Detected audio mode: %s\n", p);
965 switch (mod_det_stat1) {
966 case 0x00: p = "not defined"; break;
967 case 0x01: p = "EIAJ"; break;
968 case 0x02: p = "A2-M"; break;
969 case 0x03: p = "A2-BG"; break;
970 case 0x04: p = "A2-DK1"; break;
971 case 0x05: p = "A2-DK2"; break;
972 case 0x06: p = "A2-DK3"; break;
973 case 0x07: p = "A1 (6.0 MHz FM Mono)"; break;
974 case 0x08: p = "AM-L"; break;
975 case 0x09: p = "NICAM-BG"; break;
976 case 0x0a: p = "NICAM-DK"; break;
977 case 0x0b: p = "NICAM-I"; break;
978 case 0x0c: p = "NICAM-L"; break;
979 case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break;
980 case 0x0e: p = "IF FM Radio"; break;
981 case 0x0f: p = "BTSC"; break;
982 case 0x10: p = "detected chrominance"; break;
983 case 0xfd: p = "unknown audio standard"; break;
984 case 0xfe: p = "forced audio standard"; break;
985 case 0xff: p = "no detected audio standard"; break;
986 default: p = "not defined"; break;
988 CX18_INFO("Detected audio standard: %s\n", p);
989 CX18_INFO("Audio muted: %s\n",
990 (mute_ctl & 0x2) ? "yes" : "no");
991 CX18_INFO("Audio microcontroller: %s\n",
992 (download_ctl & 0x10) ? "running" : "stopped");
994 switch (audio_config >> 4) {
995 case 0x00: p = "undefined"; break;
996 case 0x01: p = "BTSC"; break;
997 case 0x02: p = "EIAJ"; break;
998 case 0x03: p = "A2-M"; break;
999 case 0x04: p = "A2-BG"; break;
1000 case 0x05: p = "A2-DK1"; break;
1001 case 0x06: p = "A2-DK2"; break;
1002 case 0x07: p = "A2-DK3"; break;
1003 case 0x08: p = "A1 (6.0 MHz FM Mono)"; break;
1004 case 0x09: p = "AM-L"; break;
1005 case 0x0a: p = "NICAM-BG"; break;
1006 case 0x0b: p = "NICAM-DK"; break;
1007 case 0x0c: p = "NICAM-I"; break;
1008 case 0x0d: p = "NICAM-L"; break;
1009 case 0x0e: p = "FM radio"; break;
1010 case 0x0f: p = "automatic detection"; break;
1011 default: p = "undefined"; break;
1013 CX18_INFO("Configured audio standard: %s\n", p);
1015 if ((audio_config >> 4) < 0xF) {
1016 switch (audio_config & 0xF) {
1017 case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break;
1018 case 0x01: p = "MONO2 (LANGUAGE B)"; break;
1019 case 0x02: p = "MONO3 (STEREO forced MONO)"; break;
1020 case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break;
1021 case 0x04: p = "STEREO"; break;
1022 case 0x05: p = "DUAL1 (AC)"; break;
1023 case 0x06: p = "DUAL2 (BC)"; break;
1024 case 0x07: p = "DUAL3 (AB)"; break;
1025 default: p = "undefined";
1027 CX18_INFO("Configured audio mode: %s\n", p);
1029 switch (audio_config & 0xF) {
1030 case 0x00: p = "BG"; break;
1031 case 0x01: p = "DK1"; break;
1032 case 0x02: p = "DK2"; break;
1033 case 0x03: p = "DK3"; break;
1034 case 0x04: p = "I"; break;
1035 case 0x05: p = "L"; break;
1036 case 0x06: p = "BTSC"; break;
1037 case 0x07: p = "EIAJ"; break;
1038 case 0x08: p = "A2-M"; break;
1039 case 0x09: p = "FM Radio (4.5 MHz)"; break;
1040 case 0x0a: p = "FM Radio (5.5 MHz)"; break;
1041 case 0x0b: p = "S-Video"; break;
1042 case 0x0f: p = "automatic standard and mode detection"; break;
1043 default: p = "undefined"; break;
1045 CX18_INFO("Configured audio system: %s\n", p);
1049 CX18_INFO("Specified audio input: Tuner (In%d)\n",
1052 CX18_INFO("Specified audio input: External\n");
1054 switch (pref_mode & 0xf) {
1055 case 0: p = "mono/language A"; break;
1056 case 1: p = "language B"; break;
1057 case 2: p = "language C"; break;
1058 case 3: p = "analog fallback"; break;
1059 case 4: p = "stereo"; break;
1060 case 5: p = "language AC"; break;
1061 case 6: p = "language BC"; break;
1062 case 7: p = "language AB"; break;
1063 default: p = "undefined"; break;
1065 CX18_INFO("Preferred audio mode: %s\n", p);
1067 if ((audio_config & 0xf) == 0xf) {
1068 switch ((afc0 >> 3) & 0x1) {
1069 case 0: p = "system DK"; break;
1070 case 1: p = "system L"; break;
1072 CX18_INFO("Selected 65 MHz format: %s\n", p);
1074 switch (afc0 & 0x7) {
1075 case 0: p = "Chroma"; break;
1076 case 1: p = "BTSC"; break;
1077 case 2: p = "EIAJ"; break;
1078 case 3: p = "A2-M"; break;
1079 case 4: p = "autodetect"; break;
1080 default: p = "undefined"; break;
1082 CX18_INFO("Selected 45 MHz format: %s\n", p);