2 * cx18 ADEC audio functions
4 * Derived from cx25840-core.c
6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
7 * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 #include <media/v4l2-chip-ident.h>
26 #include "cx18-driver.h"
28 #include "cx18-cards.h"
30 int cx18_av_write(struct cx18
*cx
, u16 addr
, u8 value
)
32 u32 reg
= 0xc40000 + (addr
& ~3);
34 int shift
= (addr
& 3) * 8;
35 u32 x
= cx18_read_reg(cx
, reg
);
37 x
= (x
& ~(mask
<< shift
)) | ((u32
)value
<< shift
);
38 cx18_write_reg(cx
, x
, reg
);
42 int cx18_av_write_expect(struct cx18
*cx
, u16 addr
, u8 value
, u8 eval
, u8 mask
)
44 u32 reg
= 0xc40000 + (addr
& ~3);
45 int shift
= (addr
& 3) * 8;
46 u32 x
= cx18_read_reg(cx
, reg
);
48 x
= (x
& ~((u32
)0xff << shift
)) | ((u32
)value
<< shift
);
49 cx18_write_reg_expect(cx
, x
, reg
,
50 ((u32
)eval
<< shift
), ((u32
)mask
<< shift
));
54 int cx18_av_write4(struct cx18
*cx
, u16 addr
, u32 value
)
56 cx18_write_reg(cx
, value
, 0xc40000 + addr
);
61 cx18_av_write4_expect(struct cx18
*cx
, u16 addr
, u32 value
, u32 eval
, u32 mask
)
63 cx18_write_reg_expect(cx
, value
, 0xc40000 + addr
, eval
, mask
);
67 int cx18_av_write4_noretry(struct cx18
*cx
, u16 addr
, u32 value
)
69 cx18_write_reg_noretry(cx
, value
, 0xc40000 + addr
);
73 u8
cx18_av_read(struct cx18
*cx
, u16 addr
)
75 u32 x
= cx18_read_reg(cx
, 0xc40000 + (addr
& ~3));
76 int shift
= (addr
& 3) * 8;
78 return (x
>> shift
) & 0xff;
81 u32
cx18_av_read4(struct cx18
*cx
, u16 addr
)
83 return cx18_read_reg(cx
, 0xc40000 + addr
);
86 int cx18_av_and_or(struct cx18
*cx
, u16 addr
, unsigned and_mask
,
89 return cx18_av_write(cx
, addr
,
90 (cx18_av_read(cx
, addr
) & and_mask
) |
94 int cx18_av_and_or4(struct cx18
*cx
, u16 addr
, u32 and_mask
,
97 return cx18_av_write4(cx
, addr
,
98 (cx18_av_read4(cx
, addr
) & and_mask
) |
102 static void cx18_av_init(struct cx18
*cx
)
105 * The crystal freq used in calculations in this driver will be
107 * Aim to run the PLLs' VCOs near 400 MHz to minimze errors.
111 * VDCLK Integer = 0x0f, Post Divider = 0x04
112 * AIMCLK Integer = 0x0e, Post Divider = 0x16
114 cx18_av_write4(cx
, CXADEC_PLL_CTRL1
, 0x160e040f);
116 /* VDCLK Fraction = 0x2be2fe */
117 /* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz before post divide */
118 cx18_av_write4(cx
, CXADEC_VID_PLL_FRAC
, 0x002be2fe);
120 /* AIMCLK Fraction = 0x05227ad */
121 /* xtal * 0xe.2913d68/0x16 = 48000 * 384: 406 MHz pre post-div*/
122 cx18_av_write4(cx
, CXADEC_AUX_PLL_FRAC
, 0x005227ad);
124 /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x16 */
125 cx18_av_write(cx
, CXADEC_I2S_MCLK
, 0x56);
128 static void cx18_av_initialize(struct v4l2_subdev
*sd
)
130 struct cx18_av_state
*state
= to_cx18_av_state(sd
);
131 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
135 /* Stop 8051 code execution */
136 cx18_av_write4_expect(cx
, CXADEC_DL_CTL
, 0x03000000,
137 0x03000000, 0x13000000);
139 /* initallize the PLL by toggling sleep bit */
140 v
= cx18_av_read4(cx
, CXADEC_HOST_REG1
);
141 /* enable sleep mode - register appears to be read only... */
142 cx18_av_write4_expect(cx
, CXADEC_HOST_REG1
, v
| 1, v
, 0xfffe);
143 /* disable sleep mode */
144 cx18_av_write4_expect(cx
, CXADEC_HOST_REG1
, v
& 0xfffe,
147 /* initialize DLLs */
148 v
= cx18_av_read4(cx
, CXADEC_DLL1_DIAG_CTRL
) & 0xE1FFFEFF;
150 cx18_av_write4(cx
, CXADEC_DLL1_DIAG_CTRL
, v
);
152 cx18_av_write4(cx
, CXADEC_DLL1_DIAG_CTRL
, v
| 0x10000100);
154 v
= cx18_av_read4(cx
, CXADEC_DLL2_DIAG_CTRL
) & 0xE1FFFEFF;
156 cx18_av_write4(cx
, CXADEC_DLL2_DIAG_CTRL
, v
);
158 cx18_av_write4(cx
, CXADEC_DLL2_DIAG_CTRL
, v
| 0x06000100);
160 /* set analog bias currents. Set Vreg to 1.20V. */
161 cx18_av_write4(cx
, CXADEC_AFE_DIAG_CTRL1
, 0x000A1802);
163 v
= cx18_av_read4(cx
, CXADEC_AFE_DIAG_CTRL3
) | 1;
164 /* enable TUNE_FIL_RST */
165 cx18_av_write4_expect(cx
, CXADEC_AFE_DIAG_CTRL3
, v
, v
, 0x03009F0F);
166 /* disable TUNE_FIL_RST */
167 cx18_av_write4_expect(cx
, CXADEC_AFE_DIAG_CTRL3
,
168 v
& 0xFFFFFFFE, v
& 0xFFFFFFFE, 0x03009F0F);
170 /* enable 656 output */
171 cx18_av_and_or4(cx
, CXADEC_PIN_CTRL1
, ~0, 0x040C00);
173 /* video output drive strength */
174 cx18_av_and_or4(cx
, CXADEC_PIN_CTRL2
, ~0, 0x2);
177 cx18_av_write4(cx
, CXADEC_SOFT_RST_CTRL
, 0x8000);
178 cx18_av_write4(cx
, CXADEC_SOFT_RST_CTRL
, 0);
181 * Disable Video Auto-config of the Analog Front End and Video PLL.
183 * Since we only use BT.656 pixel mode, which works for both 525 and 625
184 * line systems, it's just easier for us to set registers
185 * 0x102 (CXADEC_CHIP_CTRL), 0x104-0x106 (CXADEC_AFE_CTRL),
186 * 0x108-0x109 (CXADEC_PLL_CTRL1), and 0x10c-0x10f (CXADEC_VID_PLL_FRAC)
187 * ourselves, than to run around cleaning up after the auto-config.
189 * (Note: my CX23418 chip doesn't seem to let the ACFG_DIS bit
190 * get set to 1, but OTOH, it doesn't seem to do AFE and VID PLL
191 * autoconfig either.)
193 * As a default, also turn off Dual mode for ADC2 and set ADC2 to CH3.
195 cx18_av_and_or4(cx
, CXADEC_CHIP_CTRL
, 0xFFFBFFFF, 0x00120000);
197 /* Setup the Video and and Aux/Audio PLLs */
200 /* set video to auto-detect */
201 /* Clear bits 11-12 to enable slow locking mode. Set autodetect mode */
202 /* set the comb notch = 1 */
203 cx18_av_and_or4(cx
, CXADEC_MODE_CTRL
, 0xFFF7E7F0, 0x02040800);
205 /* Enable wtw_en in CRUSH_CTRL (Set bit 22) */
206 /* Enable maj_sel in CRUSH_CTRL (Set bit 20) */
207 cx18_av_and_or4(cx
, CXADEC_CRUSH_CTRL
, ~0, 0x00500000);
209 /* Set VGA_TRACK_RANGE to 0x20 */
210 cx18_av_and_or4(cx
, CXADEC_DFE_CTRL2
, 0xFFFF00FF, 0x00002000);
214 * VIP-1.1, 10 bit mode, enable Raw, disable sliced,
215 * don't clamp raw samples when codes are in use, 1 byte user D-words,
216 * IDID0 has line #, RP code V bit transition on VBLANK, data during
219 cx18_av_write4(cx
, CXADEC_OUT_CTRL1
, 0x4013252e);
221 /* Set the video input.
222 The setting in MODE_CTRL gets lost when we do the above setup */
223 /* EncSetSignalStd(dwDevNum, pEnc->dwSigStd); */
224 /* EncSetVideoInput(dwDevNum, pEnc->VidIndSelection); */
227 * Analog Front End (AFE)
228 * Default to luma on ch1/ADC1, chroma on ch2/ADC2, SIF on ch3/ADC2
229 * bypass_ch[1-3] use filter
230 * droop_comp_ch[1-3] disable
231 * clamp_en_ch[1-3] disable
235 * clamp_sel_ch[2-3] midcode
236 * clamp_sel_ch1 video decoder
237 * vga_sel_ch3 audio decoder
238 * vga_sel_ch[1-2] video decoder
239 * half_bw_ch[1-3] disable
240 * +12db_ch[1-3] disable
242 cx18_av_and_or4(cx
, CXADEC_AFE_CTRL
, 0xFF000000, 0x00005D00);
244 /* if(dwEnable && dw3DCombAvailable) { */
245 /* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x7728021F); */
247 /* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */
249 cx18_av_write4(cx
, CXADEC_SRC_COMB_CFG
, 0x6628021F);
250 state
->default_volume
= 228 - cx18_av_read(cx
, 0x8d4);
251 state
->default_volume
= ((state
->default_volume
/ 2) + 23) << 9;
254 static int cx18_av_reset(struct v4l2_subdev
*sd
, u32 val
)
256 cx18_av_initialize(sd
);
260 static int cx18_av_load_fw(struct v4l2_subdev
*sd
)
262 struct cx18_av_state
*state
= to_cx18_av_state(sd
);
264 if (!state
->is_initialized
) {
265 /* initialize on first use */
266 state
->is_initialized
= 1;
267 cx18_av_initialize(sd
);
272 void cx18_av_std_setup(struct cx18
*cx
)
274 struct cx18_av_state
*state
= &cx
->av_state
;
275 struct v4l2_subdev
*sd
= &state
->sd
;
276 v4l2_std_id std
= state
->std
;
279 * Video ADC crystal clock to pixel clock SRC decimation ratio
280 * 28.636360 MHz/13.5 Mpps * 256 = 0x21f.07b
282 const int src_decimation
= 0x21f;
284 int hblank
, hactive
, burst
, vblank
, vactive
, sc
;
286 int luma_lpf
, uv_lpf
, comb
;
287 u32 pll_int
, pll_frac
, pll_post
;
289 /* datasheet startup, step 8d */
290 if (std
& ~V4L2_STD_NTSC
)
291 cx18_av_write(cx
, 0x49f, 0x11);
293 cx18_av_write(cx
, 0x49f, 0x14);
296 * Note: At the end of a field, there are 3 sets of half line duration
297 * (double horizontal rate) pulses:
299 * 5 (625) or 6 (525) half-lines to blank for the vertical retrace
300 * 5 (625) or 6 (525) vertical sync pulses of half line duration
301 * 5 (625) or 6 (525) half-lines of equalization pulses
303 if (std
& V4L2_STD_625_50
) {
305 * The following relationships of half line counts should hold:
306 * 625 = vblank656 + vactive
307 * 10 = vblank656 - vblank = vsync pulses + equalization pulses
309 * vblank656: half lines after line 625/mid-313 of blanked video
310 * vblank: half lines, after line 5/317, of blanked video
311 * vactive: half lines of active video +
312 * 5 half lines after the end of active video
314 * As far as I can tell:
315 * vblank656 starts counting from the falling edge of the first
316 * vsync pulse (start of line 1 or mid-313)
317 * vblank starts counting from the after the 5 vsync pulses and
318 * 5 or 4 equalization pulses (start of line 6 or 318)
320 * For 625 line systems the driver will extract VBI information
321 * from lines 6-23 and lines 318-335 (but the slicer can only
322 * handle 17 lines, not the 18 in the vblank region).
323 * In addition, we need vblank656 and vblank to be one whole
324 * line longer, to cover line 24 and 336, so the SAV/EAV RP
325 * codes get generated such that the encoder can actually
326 * extract line 23 & 335 (WSS). We'll lose 1 line in each field
327 * at the top of the screen.
329 * It appears the 5 half lines that happen after active
330 * video must be included in vactive (579 instead of 574),
331 * otherwise the colors get badly displayed in various regions
332 * of the screen. I guess the chroma comb filter gets confused
333 * without them (at least when a PVR-350 is the PAL source).
335 vblank656
= 48; /* lines 1 - 24 & 313 - 336 */
336 vblank
= 38; /* lines 6 - 24 & 318 - 336 */
337 vactive
= 579; /* lines 24 - 313 & 337 - 626 */
340 * For a 13.5 Mpps clock and 15,625 Hz line rate, a line is
341 * is 864 pixels = 720 active + 144 blanking. ITU-R BT.601
342 * specifies 12 luma clock periods or ~ 0.9 * 13.5 Mpps after
343 * the end of active video to start a horizontal line, so that
344 * leaves 132 pixels of hblank to ignore.
350 * Burst gate delay (for 625 line systems)
351 * Hsync leading edge to color burst rise = 5.6 us
352 * Color burst width = 2.25 us
353 * Gate width = 4 pixel clocks
354 * (5.6 us + 2.25/2 us) * 13.5 Mpps + 4/2 clocks = 92.79 clocks
358 if (std
& V4L2_STD_PAL
) {
361 /* sc = 4433618.75 * src_decimation/28636360 * 2^13 */
363 } else if (std
== V4L2_STD_PAL_Nc
) {
366 /* sc = 3582056.25 * src_decimation/28636360 * 2^13 */
371 /* (fr + fb)/2 = (4406260 + 4250000)/2 = 4328130 */
372 /* sc = 4328130 * src_decimation/28636360 * 2^13 */
377 * The following relationships of half line counts should hold:
378 * 525 = prevsync + vblank656 + vactive
379 * 12 = vblank656 - vblank = vsync pulses + equalization pulses
381 * prevsync: 6 half-lines before the vsync pulses
382 * vblank656: half lines, after line 3/mid-266, of blanked video
383 * vblank: half lines, after line 9/272, of blanked video
384 * vactive: half lines of active video
386 * As far as I can tell:
387 * vblank656 starts counting from the falling edge of the first
388 * vsync pulse (start of line 4 or mid-266)
389 * vblank starts counting from the after the 6 vsync pulses and
390 * 6 or 5 equalization pulses (start of line 10 or 272)
392 * For 525 line systems the driver will extract VBI information
393 * from lines 10-21 and lines 273-284.
395 vblank656
= 38; /* lines 4 - 22 & 266 - 284 */
396 vblank
= 26; /* lines 10 - 22 & 272 - 284 */
397 vactive
= 481; /* lines 23 - 263 & 285 - 525 */
400 * For a 13.5 Mpps clock and 15,734.26 Hz line rate, a line is
401 * is 858 pixels = 720 active + 138 blanking. The Hsync leading
402 * edge should happen 1.2 us * 13.5 Mpps ~= 16 pixels after the
403 * end of active video, leaving 122 pixels of hblank to ignore
404 * before active video starts.
412 * Burst gate delay (for 525 line systems)
413 * Hsync leading edge to color burst rise = 5.3 us
414 * Color burst width = 2.5 us
415 * Gate width = 4 pixel clocks
416 * (5.3 us + 2.5/2 us) * 13.5 Mpps + 4/2 clocks = 90.425 clocks
418 if (std
== V4L2_STD_PAL_60
) {
422 /* sc = 4433618.75 * src_decimation/28636360 * 2^13 */
424 } else if (std
== V4L2_STD_PAL_M
) {
425 /* The 97 needs to be verified against PAL-M timings */
428 /* sc = 3575611.49 * src_decimation/28636360 * 2^13 */
433 /* sc = 3579545.45.. * src_decimation/28636360 * 2^13 */
438 /* DEBUG: Displays configured PLL frequency */
439 pll_int
= cx18_av_read(cx
, 0x108);
440 pll_frac
= cx18_av_read4(cx
, 0x10c) & 0x1ffffff;
441 pll_post
= cx18_av_read(cx
, 0x109);
442 CX18_DEBUG_INFO_DEV(sd
, "PLL regs = int: %u, frac: %u, post: %u\n",
443 pll_int
, pll_frac
, pll_post
);
449 pll
= (28636360L * ((((u64
)pll_int
) << 25) + pll_frac
)) >> 25;
451 CX18_DEBUG_INFO_DEV(sd
, "Video PLL = %d.%06d MHz\n",
452 pll
/ 1000000, pll
% 1000000);
453 CX18_DEBUG_INFO_DEV(sd
, "Pixel rate = %d.%06d Mpixel/sec\n",
454 pll
/ 8000000, (pll
/ 8) % 1000000);
456 CX18_DEBUG_INFO_DEV(sd
, "ADC XTAL/pixel clock decimation ratio "
457 "= %d.%03d\n", src_decimation
/ 256,
458 ((src_decimation
% 256) * 1000) / 256);
460 tmp
= 28636360 * (u64
) sc
;
461 do_div(tmp
, src_decimation
);
463 CX18_DEBUG_INFO_DEV(sd
,
464 "Chroma sub-carrier initial freq = %d.%06d "
465 "MHz\n", fsc
/ 1000000, fsc
% 1000000);
467 CX18_DEBUG_INFO_DEV(sd
, "hblank %i, hactive %i, vblank %i, "
468 "vactive %i, vblank656 %i, src_dec %i, "
469 "burst 0x%02x, luma_lpf %i, uv_lpf %i, "
470 "comb 0x%02x, sc 0x%06x\n",
471 hblank
, hactive
, vblank
, vactive
, vblank656
,
472 src_decimation
, burst
, luma_lpf
, uv_lpf
,
476 /* Sets horizontal blanking delay and active lines */
477 cx18_av_write(cx
, 0x470, hblank
);
478 cx18_av_write(cx
, 0x471, 0xff & (((hblank
>> 8) & 0x3) |
480 cx18_av_write(cx
, 0x472, hactive
>> 4);
482 /* Sets burst gate delay */
483 cx18_av_write(cx
, 0x473, burst
);
485 /* Sets vertical blanking delay and active duration */
486 cx18_av_write(cx
, 0x474, vblank
);
487 cx18_av_write(cx
, 0x475, 0xff & (((vblank
>> 8) & 0x3) |
489 cx18_av_write(cx
, 0x476, vactive
>> 4);
490 cx18_av_write(cx
, 0x477, vblank656
);
492 /* Sets src decimation rate */
493 cx18_av_write(cx
, 0x478, 0xff & src_decimation
);
494 cx18_av_write(cx
, 0x479, 0xff & (src_decimation
>> 8));
496 /* Sets Luma and UV Low pass filters */
497 cx18_av_write(cx
, 0x47a, luma_lpf
<< 6 | ((uv_lpf
<< 4) & 0x30));
499 /* Enables comb filters */
500 cx18_av_write(cx
, 0x47b, comb
);
503 cx18_av_write(cx
, 0x47c, sc
);
504 cx18_av_write(cx
, 0x47d, 0xff & sc
>> 8);
505 cx18_av_write(cx
, 0x47e, 0xff & sc
>> 16);
507 if (std
& V4L2_STD_625_50
) {
508 state
->slicer_line_delay
= 1;
509 state
->slicer_line_offset
= (6 + state
->slicer_line_delay
- 2);
511 state
->slicer_line_delay
= 0;
512 state
->slicer_line_offset
= (10 + state
->slicer_line_delay
- 2);
514 cx18_av_write(cx
, 0x47f, state
->slicer_line_delay
);
517 static void input_change(struct cx18
*cx
)
519 struct cx18_av_state
*state
= &cx
->av_state
;
520 v4l2_std_id std
= state
->std
;
523 /* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */
524 cx18_av_write(cx
, 0x49f, (std
& V4L2_STD_NTSC
) ? 0x14 : 0x11);
525 cx18_av_and_or(cx
, 0x401, ~0x60, 0);
526 cx18_av_and_or(cx
, 0x401, ~0x60, 0x60);
528 if (std
& V4L2_STD_525_60
) {
529 if (std
== V4L2_STD_NTSC_M_JP
) {
530 /* Japan uses EIAJ audio standard */
531 cx18_av_write_expect(cx
, 0x808, 0xf7, 0xf7, 0xff);
532 cx18_av_write_expect(cx
, 0x80b, 0x02, 0x02, 0x3f);
533 } else if (std
== V4L2_STD_NTSC_M_KR
) {
534 /* South Korea uses A2 audio standard */
535 cx18_av_write_expect(cx
, 0x808, 0xf8, 0xf8, 0xff);
536 cx18_av_write_expect(cx
, 0x80b, 0x03, 0x03, 0x3f);
538 /* Others use the BTSC audio standard */
539 cx18_av_write_expect(cx
, 0x808, 0xf6, 0xf6, 0xff);
540 cx18_av_write_expect(cx
, 0x80b, 0x01, 0x01, 0x3f);
542 } else if (std
& V4L2_STD_PAL
) {
543 /* Follow tuner change procedure for PAL */
544 cx18_av_write_expect(cx
, 0x808, 0xff, 0xff, 0xff);
545 cx18_av_write_expect(cx
, 0x80b, 0x03, 0x03, 0x3f);
546 } else if (std
& V4L2_STD_SECAM
) {
547 /* Select autodetect for SECAM */
548 cx18_av_write_expect(cx
, 0x808, 0xff, 0xff, 0xff);
549 cx18_av_write_expect(cx
, 0x80b, 0x03, 0x03, 0x3f);
552 v
= cx18_av_read(cx
, 0x803);
554 /* restart audio decoder microcontroller */
556 cx18_av_write_expect(cx
, 0x803, v
, v
, 0x1f);
558 cx18_av_write_expect(cx
, 0x803, v
, v
, 0x1f);
562 static int cx18_av_s_frequency(struct v4l2_subdev
*sd
,
563 struct v4l2_frequency
*freq
)
565 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
570 static int set_input(struct cx18
*cx
, enum cx18_av_video_input vid_input
,
571 enum cx18_av_audio_input aud_input
)
573 struct cx18_av_state
*state
= &cx
->av_state
;
574 struct v4l2_subdev
*sd
= &state
->sd
;
576 enum analog_signal_type
{
577 NONE
, CVBS
, Y
, C
, SIF
, Pb
, Pr
578 } ch
[3] = {NONE
, NONE
, NONE
};
586 CX18_DEBUG_INFO_DEV(sd
, "decoder set video input %d, audio input %d\n",
587 vid_input
, aud_input
);
589 if (vid_input
>= CX18_AV_COMPOSITE1
&&
590 vid_input
<= CX18_AV_COMPOSITE8
) {
591 afe_mux_cfg
= 0xf0 + (vid_input
- CX18_AV_COMPOSITE1
);
594 } else if (vid_input
>= CX18_AV_COMPONENT_LUMA1
) {
595 int luma
= vid_input
& 0xf000;
596 int r_chroma
= vid_input
& 0xf0000;
597 int b_chroma
= vid_input
& 0xf00000;
599 if ((vid_input
& ~0xfff000) ||
600 luma
< CX18_AV_COMPONENT_LUMA1
||
601 luma
> CX18_AV_COMPONENT_LUMA8
||
602 r_chroma
< CX18_AV_COMPONENT_R_CHROMA4
||
603 r_chroma
> CX18_AV_COMPONENT_R_CHROMA6
||
604 b_chroma
< CX18_AV_COMPONENT_B_CHROMA7
||
605 b_chroma
> CX18_AV_COMPONENT_B_CHROMA8
) {
606 CX18_ERR_DEV(sd
, "0x%06x is not a valid video input!\n",
610 afe_mux_cfg
= (luma
- CX18_AV_COMPONENT_LUMA1
) >> 12;
612 afe_mux_cfg
|= (r_chroma
- CX18_AV_COMPONENT_R_CHROMA4
) >> 12;
614 afe_mux_cfg
|= (b_chroma
- CX18_AV_COMPONENT_B_CHROMA7
) >> 14;
618 int luma
= vid_input
& 0xf0;
619 int chroma
= vid_input
& 0xf00;
621 if ((vid_input
& ~0xff0) ||
622 luma
< CX18_AV_SVIDEO_LUMA1
||
623 luma
> CX18_AV_SVIDEO_LUMA8
||
624 chroma
< CX18_AV_SVIDEO_CHROMA4
||
625 chroma
> CX18_AV_SVIDEO_CHROMA8
) {
626 CX18_ERR_DEV(sd
, "0x%06x is not a valid video input!\n",
630 afe_mux_cfg
= 0xf0 + ((luma
- CX18_AV_SVIDEO_LUMA1
) >> 4);
632 if (chroma
>= CX18_AV_SVIDEO_CHROMA7
) {
634 afe_mux_cfg
|= (chroma
- CX18_AV_SVIDEO_CHROMA7
) >> 2;
638 afe_mux_cfg
|= (chroma
- CX18_AV_SVIDEO_CHROMA4
) >> 4;
645 case CX18_AV_AUDIO_SERIAL1
:
646 case CX18_AV_AUDIO_SERIAL2
:
647 /* do nothing, use serial audio input */
650 afe_mux_cfg
&= ~0x30;
654 afe_mux_cfg
= (afe_mux_cfg
& ~0x30) | 0x10;
658 afe_mux_cfg
= (afe_mux_cfg
& ~0x30) | 0x20;
662 afe_mux_cfg
&= ~0xc0;
666 afe_mux_cfg
= (afe_mux_cfg
& ~0xc0) | 0x40;
671 CX18_ERR_DEV(sd
, "0x%04x is not a valid audio input!\n",
676 /* Set up analog front end multiplexers */
677 cx18_av_write_expect(cx
, 0x103, afe_mux_cfg
, afe_mux_cfg
, 0xf7);
678 /* Set INPUT_MODE to Composite, S-Video, or Component */
679 cx18_av_and_or(cx
, 0x401, ~0x6, input_mode
);
681 /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */
682 adc2_cfg
= cx18_av_read(cx
, 0x102);
684 adc2_cfg
&= ~0x2; /* No sig on CH3, set ADC2 to CH2 for input */
686 adc2_cfg
|= 0x2; /* Signal on CH3, set ADC2 to CH3 for input */
688 /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */
689 if (ch
[1] != NONE
&& ch
[2] != NONE
)
690 adc2_cfg
|= 0x4; /* Set dual mode */
692 adc2_cfg
&= ~0x4; /* Clear dual mode */
693 cx18_av_write_expect(cx
, 0x102, adc2_cfg
, adc2_cfg
, 0x17);
695 /* Configure the analog front end */
696 afe_cfg
= cx18_av_read4(cx
, CXADEC_AFE_CTRL
);
697 afe_cfg
&= 0xff000000;
698 afe_cfg
|= 0x00005000; /* CHROMA_IN, AUD_IN: ADC2; LUMA_IN: ADC1 */
699 if (ch
[1] != NONE
&& ch
[2] != NONE
)
700 afe_cfg
|= 0x00000030; /* half_bw_ch[2-3] since in dual mode */
702 for (i
= 0; i
< 3; i
++) {
706 /* CLAMP_SEL = Fixed to midcode clamp level */
707 afe_cfg
|= (0x00000200 << i
);
712 afe_cfg
|= 0x00002000; /* LUMA_IN_SEL: ADC2 */
717 /* CLAMP_SEL = Fixed to midcode clamp level */
718 afe_cfg
|= (0x00000200 << i
);
719 if (i
== 0 && ch
[i
] == C
)
720 afe_cfg
&= ~0x00001000; /* CHROMA_IN_SEL ADC1 */
724 * VGA_GAIN_SEL = Audio Decoder
725 * CLAMP_SEL = Fixed to midcode clamp level
727 afe_cfg
|= (0x00000240 << i
);
729 afe_cfg
&= ~0x00004000; /* AUD_IN_SEL ADC1 */
734 cx18_av_write4(cx
, CXADEC_AFE_CTRL
, afe_cfg
);
736 state
->vid_input
= vid_input
;
737 state
->aud_input
= aud_input
;
738 cx18_av_audio_set_path(cx
);
743 static int cx18_av_s_video_routing(struct v4l2_subdev
*sd
,
744 u32 input
, u32 output
, u32 config
)
746 struct cx18_av_state
*state
= to_cx18_av_state(sd
);
747 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
748 return set_input(cx
, input
, state
->aud_input
);
751 static int cx18_av_s_audio_routing(struct v4l2_subdev
*sd
,
752 u32 input
, u32 output
, u32 config
)
754 struct cx18_av_state
*state
= to_cx18_av_state(sd
);
755 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
756 return set_input(cx
, state
->vid_input
, input
);
759 static int cx18_av_g_tuner(struct v4l2_subdev
*sd
, struct v4l2_tuner
*vt
)
761 struct cx18_av_state
*state
= to_cx18_av_state(sd
);
762 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
770 vpres
= cx18_av_read(cx
, 0x40e) & 0x20;
771 vt
->signal
= vpres
? 0xffff : 0x0;
774 V4L2_TUNER_CAP_STEREO
| V4L2_TUNER_CAP_LANG1
|
775 V4L2_TUNER_CAP_LANG2
| V4L2_TUNER_CAP_SAP
;
777 mode
= cx18_av_read(cx
, 0x804);
779 /* get rxsubchans and audmode */
780 if ((mode
& 0xf) == 1)
781 val
|= V4L2_TUNER_SUB_STEREO
;
783 val
|= V4L2_TUNER_SUB_MONO
;
785 if (mode
== 2 || mode
== 4)
786 val
= V4L2_TUNER_SUB_LANG1
| V4L2_TUNER_SUB_LANG2
;
789 val
|= V4L2_TUNER_SUB_SAP
;
791 vt
->rxsubchans
= val
;
792 vt
->audmode
= state
->audmode
;
796 static int cx18_av_s_tuner(struct v4l2_subdev
*sd
, struct v4l2_tuner
*vt
)
798 struct cx18_av_state
*state
= to_cx18_av_state(sd
);
799 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
805 v
= cx18_av_read(cx
, 0x809);
808 switch (vt
->audmode
) {
809 case V4L2_TUNER_MODE_MONO
:
812 bilingual -> lang1 */
814 case V4L2_TUNER_MODE_STEREO
:
815 case V4L2_TUNER_MODE_LANG1
:
818 bilingual -> lang1 */
821 case V4L2_TUNER_MODE_LANG1_LANG2
:
824 bilingual -> lang1/lang2 */
827 case V4L2_TUNER_MODE_LANG2
:
830 bilingual -> lang2 */
836 cx18_av_write_expect(cx
, 0x809, v
, v
, 0xff);
837 state
->audmode
= vt
->audmode
;
841 static int cx18_av_s_std(struct v4l2_subdev
*sd
, v4l2_std_id norm
)
843 struct cx18_av_state
*state
= to_cx18_av_state(sd
);
844 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
846 u8 fmt
= 0; /* zero is autodetect */
849 if (state
->radio
== 0 && state
->std
== norm
)
855 /* First tests should be against specific std */
856 if (state
->std
== V4L2_STD_NTSC_M_JP
) {
858 } else if (state
->std
== V4L2_STD_NTSC_443
) {
860 } else if (state
->std
== V4L2_STD_PAL_M
) {
863 } else if (state
->std
== V4L2_STD_PAL_N
) {
865 } else if (state
->std
== V4L2_STD_PAL_Nc
) {
867 } else if (state
->std
== V4L2_STD_PAL_60
) {
870 /* Then, test against generic ones */
871 if (state
->std
& V4L2_STD_NTSC
)
873 else if (state
->std
& V4L2_STD_PAL
)
875 else if (state
->std
& V4L2_STD_SECAM
)
879 CX18_DEBUG_INFO_DEV(sd
, "changing video std to fmt %i\n", fmt
);
881 /* Follow step 9 of section 3.16 in the cx18_av datasheet.
882 Without this PAL may display a vertical ghosting effect.
883 This happens for example with the Yuan MPC622. */
884 if (fmt
>= 4 && fmt
< 8) {
885 /* Set format to NTSC-M */
886 cx18_av_and_or(cx
, 0x400, ~0xf, 1);
888 cx18_av_and_or(cx
, 0x47b, ~6, 0);
890 cx18_av_and_or(cx
, 0x400, ~0x2f, fmt
| 0x20);
891 cx18_av_and_or(cx
, 0x403, ~0x3, pal_m
);
892 cx18_av_std_setup(cx
);
897 static int cx18_av_s_radio(struct v4l2_subdev
*sd
)
899 struct cx18_av_state
*state
= to_cx18_av_state(sd
);
904 static int cx18_av_s_ctrl(struct v4l2_subdev
*sd
, struct v4l2_control
*ctrl
)
906 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
909 case V4L2_CID_BRIGHTNESS
:
910 if (ctrl
->value
< 0 || ctrl
->value
> 255) {
911 CX18_ERR_DEV(sd
, "invalid brightness setting %d\n",
916 cx18_av_write(cx
, 0x414, ctrl
->value
- 128);
919 case V4L2_CID_CONTRAST
:
920 if (ctrl
->value
< 0 || ctrl
->value
> 127) {
921 CX18_ERR_DEV(sd
, "invalid contrast setting %d\n",
926 cx18_av_write(cx
, 0x415, ctrl
->value
<< 1);
929 case V4L2_CID_SATURATION
:
930 if (ctrl
->value
< 0 || ctrl
->value
> 127) {
931 CX18_ERR_DEV(sd
, "invalid saturation setting %d\n",
936 cx18_av_write(cx
, 0x420, ctrl
->value
<< 1);
937 cx18_av_write(cx
, 0x421, ctrl
->value
<< 1);
941 if (ctrl
->value
< -128 || ctrl
->value
> 127) {
942 CX18_ERR_DEV(sd
, "invalid hue setting %d\n",
947 cx18_av_write(cx
, 0x422, ctrl
->value
);
950 case V4L2_CID_AUDIO_VOLUME
:
951 case V4L2_CID_AUDIO_BASS
:
952 case V4L2_CID_AUDIO_TREBLE
:
953 case V4L2_CID_AUDIO_BALANCE
:
954 case V4L2_CID_AUDIO_MUTE
:
955 return cx18_av_audio_s_ctrl(cx
, ctrl
);
963 static int cx18_av_g_ctrl(struct v4l2_subdev
*sd
, struct v4l2_control
*ctrl
)
965 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
968 case V4L2_CID_BRIGHTNESS
:
969 ctrl
->value
= (s8
)cx18_av_read(cx
, 0x414) + 128;
971 case V4L2_CID_CONTRAST
:
972 ctrl
->value
= cx18_av_read(cx
, 0x415) >> 1;
974 case V4L2_CID_SATURATION
:
975 ctrl
->value
= cx18_av_read(cx
, 0x420) >> 1;
978 ctrl
->value
= (s8
)cx18_av_read(cx
, 0x422);
980 case V4L2_CID_AUDIO_VOLUME
:
981 case V4L2_CID_AUDIO_BASS
:
982 case V4L2_CID_AUDIO_TREBLE
:
983 case V4L2_CID_AUDIO_BALANCE
:
984 case V4L2_CID_AUDIO_MUTE
:
985 return cx18_av_audio_g_ctrl(cx
, ctrl
);
992 static int cx18_av_queryctrl(struct v4l2_subdev
*sd
, struct v4l2_queryctrl
*qc
)
994 struct cx18_av_state
*state
= to_cx18_av_state(sd
);
997 case V4L2_CID_BRIGHTNESS
:
998 return v4l2_ctrl_query_fill(qc
, 0, 255, 1, 128);
999 case V4L2_CID_CONTRAST
:
1000 case V4L2_CID_SATURATION
:
1001 return v4l2_ctrl_query_fill(qc
, 0, 127, 1, 64);
1003 return v4l2_ctrl_query_fill(qc
, -128, 127, 1, 0);
1009 case V4L2_CID_AUDIO_VOLUME
:
1010 return v4l2_ctrl_query_fill(qc
, 0, 65535,
1011 65535 / 100, state
->default_volume
);
1012 case V4L2_CID_AUDIO_MUTE
:
1013 return v4l2_ctrl_query_fill(qc
, 0, 1, 1, 0);
1014 case V4L2_CID_AUDIO_BALANCE
:
1015 case V4L2_CID_AUDIO_BASS
:
1016 case V4L2_CID_AUDIO_TREBLE
:
1017 return v4l2_ctrl_query_fill(qc
, 0, 65535, 65535 / 100, 32768);
1024 static int cx18_av_s_mbus_fmt(struct v4l2_subdev
*sd
, struct v4l2_mbus_framefmt
*fmt
)
1026 struct cx18_av_state
*state
= to_cx18_av_state(sd
);
1027 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
1028 int HSC
, VSC
, Vsrc
, Hsrc
, filter
, Vlines
;
1029 int is_50Hz
= !(state
->std
& V4L2_STD_525_60
);
1031 if (fmt
->code
!= V4L2_MBUS_FMT_FIXED
)
1034 fmt
->field
= V4L2_FIELD_INTERLACED
;
1035 fmt
->colorspace
= V4L2_COLORSPACE_SMPTE170M
;
1037 Vsrc
= (cx18_av_read(cx
, 0x476) & 0x3f) << 4;
1038 Vsrc
|= (cx18_av_read(cx
, 0x475) & 0xf0) >> 4;
1040 Hsrc
= (cx18_av_read(cx
, 0x472) & 0x3f) << 4;
1041 Hsrc
|= (cx18_av_read(cx
, 0x471) & 0xf0) >> 4;
1044 * This adjustment reflects the excess of vactive, set in
1045 * cx18_av_std_setup(), above standard values:
1047 * 480 + 1 for 60 Hz systems
1048 * 576 + 3 for 50 Hz systems
1050 Vlines
= fmt
->height
+ (is_50Hz
? 3 : 1);
1053 * Invalid height and width scaling requests are:
1054 * 1. width less than 1/16 of the source width
1055 * 2. width greater than the source width
1056 * 3. height less than 1/8 of the source height
1057 * 4. height greater than the source height
1059 if ((fmt
->width
* 16 < Hsrc
) || (Hsrc
< fmt
->width
) ||
1060 (Vlines
* 8 < Vsrc
) || (Vsrc
< Vlines
)) {
1061 CX18_ERR_DEV(sd
, "%dx%d is not a valid size!\n",
1062 fmt
->width
, fmt
->height
);
1066 HSC
= (Hsrc
* (1 << 20)) / fmt
->width
- (1 << 20);
1067 VSC
= (1 << 16) - (Vsrc
* (1 << 9) / Vlines
- (1 << 9));
1070 if (fmt
->width
>= 385)
1072 else if (fmt
->width
> 192)
1074 else if (fmt
->width
> 96)
1079 CX18_DEBUG_INFO_DEV(sd
,
1080 "decoder set size %dx%d -> scale %ux%u\n",
1081 fmt
->width
, fmt
->height
, HSC
, VSC
);
1084 cx18_av_write(cx
, 0x418, HSC
& 0xff);
1085 cx18_av_write(cx
, 0x419, (HSC
>> 8) & 0xff);
1086 cx18_av_write(cx
, 0x41a, HSC
>> 16);
1088 cx18_av_write(cx
, 0x41c, VSC
& 0xff);
1089 cx18_av_write(cx
, 0x41d, VSC
>> 8);
1090 /* VS_INTRLACE=1 VFILT=filter */
1091 cx18_av_write(cx
, 0x41e, 0x8 | filter
);
1095 static int cx18_av_s_stream(struct v4l2_subdev
*sd
, int enable
)
1097 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
1099 CX18_DEBUG_INFO_DEV(sd
, "%s output\n", enable
? "enable" : "disable");
1101 cx18_av_write(cx
, 0x115, 0x8c);
1102 cx18_av_write(cx
, 0x116, 0x07);
1104 cx18_av_write(cx
, 0x115, 0x00);
1105 cx18_av_write(cx
, 0x116, 0x00);
1110 static void log_video_status(struct cx18
*cx
)
1112 static const char *const fmt_strs
[] = {
1114 "NTSC-M", "NTSC-J", "NTSC-4.43",
1115 "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60",
1116 "0x9", "0xA", "0xB",
1121 struct cx18_av_state
*state
= &cx
->av_state
;
1122 struct v4l2_subdev
*sd
= &state
->sd
;
1123 u8 vidfmt_sel
= cx18_av_read(cx
, 0x400) & 0xf;
1124 u8 gen_stat1
= cx18_av_read(cx
, 0x40d);
1125 u8 gen_stat2
= cx18_av_read(cx
, 0x40e);
1126 int vid_input
= state
->vid_input
;
1128 CX18_INFO_DEV(sd
, "Video signal: %spresent\n",
1129 (gen_stat2
& 0x20) ? "" : "not ");
1130 CX18_INFO_DEV(sd
, "Detected format: %s\n",
1131 fmt_strs
[gen_stat1
& 0xf]);
1133 CX18_INFO_DEV(sd
, "Specified standard: %s\n",
1134 vidfmt_sel
? fmt_strs
[vidfmt_sel
]
1135 : "automatic detection");
1137 if (vid_input
>= CX18_AV_COMPOSITE1
&&
1138 vid_input
<= CX18_AV_COMPOSITE8
) {
1139 CX18_INFO_DEV(sd
, "Specified video input: Composite %d\n",
1140 vid_input
- CX18_AV_COMPOSITE1
+ 1);
1142 CX18_INFO_DEV(sd
, "Specified video input: "
1143 "S-Video (Luma In%d, Chroma In%d)\n",
1144 (vid_input
& 0xf0) >> 4,
1145 (vid_input
& 0xf00) >> 8);
1148 CX18_INFO_DEV(sd
, "Specified audioclock freq: %d Hz\n",
1149 state
->audclk_freq
);
1152 static void log_audio_status(struct cx18
*cx
)
1154 struct cx18_av_state
*state
= &cx
->av_state
;
1155 struct v4l2_subdev
*sd
= &state
->sd
;
1156 u8 download_ctl
= cx18_av_read(cx
, 0x803);
1157 u8 mod_det_stat0
= cx18_av_read(cx
, 0x804);
1158 u8 mod_det_stat1
= cx18_av_read(cx
, 0x805);
1159 u8 audio_config
= cx18_av_read(cx
, 0x808);
1160 u8 pref_mode
= cx18_av_read(cx
, 0x809);
1161 u8 afc0
= cx18_av_read(cx
, 0x80b);
1162 u8 mute_ctl
= cx18_av_read(cx
, 0x8d3);
1163 int aud_input
= state
->aud_input
;
1166 switch (mod_det_stat0
) {
1167 case 0x00: p
= "mono"; break;
1168 case 0x01: p
= "stereo"; break;
1169 case 0x02: p
= "dual"; break;
1170 case 0x04: p
= "tri"; break;
1171 case 0x10: p
= "mono with SAP"; break;
1172 case 0x11: p
= "stereo with SAP"; break;
1173 case 0x12: p
= "dual with SAP"; break;
1174 case 0x14: p
= "tri with SAP"; break;
1175 case 0xfe: p
= "forced mode"; break;
1176 default: p
= "not defined"; break;
1178 CX18_INFO_DEV(sd
, "Detected audio mode: %s\n", p
);
1180 switch (mod_det_stat1
) {
1181 case 0x00: p
= "not defined"; break;
1182 case 0x01: p
= "EIAJ"; break;
1183 case 0x02: p
= "A2-M"; break;
1184 case 0x03: p
= "A2-BG"; break;
1185 case 0x04: p
= "A2-DK1"; break;
1186 case 0x05: p
= "A2-DK2"; break;
1187 case 0x06: p
= "A2-DK3"; break;
1188 case 0x07: p
= "A1 (6.0 MHz FM Mono)"; break;
1189 case 0x08: p
= "AM-L"; break;
1190 case 0x09: p
= "NICAM-BG"; break;
1191 case 0x0a: p
= "NICAM-DK"; break;
1192 case 0x0b: p
= "NICAM-I"; break;
1193 case 0x0c: p
= "NICAM-L"; break;
1194 case 0x0d: p
= "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break;
1195 case 0x0e: p
= "IF FM Radio"; break;
1196 case 0x0f: p
= "BTSC"; break;
1197 case 0x10: p
= "detected chrominance"; break;
1198 case 0xfd: p
= "unknown audio standard"; break;
1199 case 0xfe: p
= "forced audio standard"; break;
1200 case 0xff: p
= "no detected audio standard"; break;
1201 default: p
= "not defined"; break;
1203 CX18_INFO_DEV(sd
, "Detected audio standard: %s\n", p
);
1204 CX18_INFO_DEV(sd
, "Audio muted: %s\n",
1205 (mute_ctl
& 0x2) ? "yes" : "no");
1206 CX18_INFO_DEV(sd
, "Audio microcontroller: %s\n",
1207 (download_ctl
& 0x10) ? "running" : "stopped");
1209 switch (audio_config
>> 4) {
1210 case 0x00: p
= "undefined"; break;
1211 case 0x01: p
= "BTSC"; break;
1212 case 0x02: p
= "EIAJ"; break;
1213 case 0x03: p
= "A2-M"; break;
1214 case 0x04: p
= "A2-BG"; break;
1215 case 0x05: p
= "A2-DK1"; break;
1216 case 0x06: p
= "A2-DK2"; break;
1217 case 0x07: p
= "A2-DK3"; break;
1218 case 0x08: p
= "A1 (6.0 MHz FM Mono)"; break;
1219 case 0x09: p
= "AM-L"; break;
1220 case 0x0a: p
= "NICAM-BG"; break;
1221 case 0x0b: p
= "NICAM-DK"; break;
1222 case 0x0c: p
= "NICAM-I"; break;
1223 case 0x0d: p
= "NICAM-L"; break;
1224 case 0x0e: p
= "FM radio"; break;
1225 case 0x0f: p
= "automatic detection"; break;
1226 default: p
= "undefined"; break;
1228 CX18_INFO_DEV(sd
, "Configured audio standard: %s\n", p
);
1230 if ((audio_config
>> 4) < 0xF) {
1231 switch (audio_config
& 0xF) {
1232 case 0x00: p
= "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break;
1233 case 0x01: p
= "MONO2 (LANGUAGE B)"; break;
1234 case 0x02: p
= "MONO3 (STEREO forced MONO)"; break;
1235 case 0x03: p
= "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break;
1236 case 0x04: p
= "STEREO"; break;
1237 case 0x05: p
= "DUAL1 (AC)"; break;
1238 case 0x06: p
= "DUAL2 (BC)"; break;
1239 case 0x07: p
= "DUAL3 (AB)"; break;
1240 default: p
= "undefined";
1242 CX18_INFO_DEV(sd
, "Configured audio mode: %s\n", p
);
1244 switch (audio_config
& 0xF) {
1245 case 0x00: p
= "BG"; break;
1246 case 0x01: p
= "DK1"; break;
1247 case 0x02: p
= "DK2"; break;
1248 case 0x03: p
= "DK3"; break;
1249 case 0x04: p
= "I"; break;
1250 case 0x05: p
= "L"; break;
1251 case 0x06: p
= "BTSC"; break;
1252 case 0x07: p
= "EIAJ"; break;
1253 case 0x08: p
= "A2-M"; break;
1254 case 0x09: p
= "FM Radio (4.5 MHz)"; break;
1255 case 0x0a: p
= "FM Radio (5.5 MHz)"; break;
1256 case 0x0b: p
= "S-Video"; break;
1257 case 0x0f: p
= "automatic standard and mode detection"; break;
1258 default: p
= "undefined"; break;
1260 CX18_INFO_DEV(sd
, "Configured audio system: %s\n", p
);
1264 CX18_INFO_DEV(sd
, "Specified audio input: Tuner (In%d)\n",
1267 CX18_INFO_DEV(sd
, "Specified audio input: External\n");
1269 switch (pref_mode
& 0xf) {
1270 case 0: p
= "mono/language A"; break;
1271 case 1: p
= "language B"; break;
1272 case 2: p
= "language C"; break;
1273 case 3: p
= "analog fallback"; break;
1274 case 4: p
= "stereo"; break;
1275 case 5: p
= "language AC"; break;
1276 case 6: p
= "language BC"; break;
1277 case 7: p
= "language AB"; break;
1278 default: p
= "undefined"; break;
1280 CX18_INFO_DEV(sd
, "Preferred audio mode: %s\n", p
);
1282 if ((audio_config
& 0xf) == 0xf) {
1283 switch ((afc0
>> 3) & 0x1) {
1284 case 0: p
= "system DK"; break;
1285 case 1: p
= "system L"; break;
1287 CX18_INFO_DEV(sd
, "Selected 65 MHz format: %s\n", p
);
1289 switch (afc0
& 0x7) {
1290 case 0: p
= "Chroma"; break;
1291 case 1: p
= "BTSC"; break;
1292 case 2: p
= "EIAJ"; break;
1293 case 3: p
= "A2-M"; break;
1294 case 4: p
= "autodetect"; break;
1295 default: p
= "undefined"; break;
1297 CX18_INFO_DEV(sd
, "Selected 45 MHz format: %s\n", p
);
1301 static int cx18_av_log_status(struct v4l2_subdev
*sd
)
1303 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
1304 log_video_status(cx
);
1305 log_audio_status(cx
);
1309 static inline int cx18_av_dbg_match(const struct v4l2_dbg_match
*match
)
1311 return match
->type
== V4L2_CHIP_MATCH_HOST
&& match
->addr
== 1;
1314 static int cx18_av_g_chip_ident(struct v4l2_subdev
*sd
,
1315 struct v4l2_dbg_chip_ident
*chip
)
1317 struct cx18_av_state
*state
= to_cx18_av_state(sd
);
1319 if (cx18_av_dbg_match(&chip
->match
)) {
1320 chip
->ident
= state
->id
;
1321 chip
->revision
= state
->rev
;
1326 #ifdef CONFIG_VIDEO_ADV_DEBUG
1327 static int cx18_av_g_register(struct v4l2_subdev
*sd
,
1328 struct v4l2_dbg_register
*reg
)
1330 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
1332 if (!cx18_av_dbg_match(®
->match
))
1334 if ((reg
->reg
& 0x3) != 0)
1336 if (!capable(CAP_SYS_ADMIN
))
1339 reg
->val
= cx18_av_read4(cx
, reg
->reg
& 0x00000ffc);
1343 static int cx18_av_s_register(struct v4l2_subdev
*sd
,
1344 struct v4l2_dbg_register
*reg
)
1346 struct cx18
*cx
= v4l2_get_subdevdata(sd
);
1348 if (!cx18_av_dbg_match(®
->match
))
1350 if ((reg
->reg
& 0x3) != 0)
1352 if (!capable(CAP_SYS_ADMIN
))
1354 cx18_av_write4(cx
, reg
->reg
& 0x00000ffc, reg
->val
);
1359 static const struct v4l2_subdev_core_ops cx18_av_general_ops
= {
1360 .g_chip_ident
= cx18_av_g_chip_ident
,
1361 .log_status
= cx18_av_log_status
,
1362 .load_fw
= cx18_av_load_fw
,
1363 .reset
= cx18_av_reset
,
1364 .queryctrl
= cx18_av_queryctrl
,
1365 .g_ctrl
= cx18_av_g_ctrl
,
1366 .s_ctrl
= cx18_av_s_ctrl
,
1367 .s_std
= cx18_av_s_std
,
1368 #ifdef CONFIG_VIDEO_ADV_DEBUG
1369 .g_register
= cx18_av_g_register
,
1370 .s_register
= cx18_av_s_register
,
1374 static const struct v4l2_subdev_tuner_ops cx18_av_tuner_ops
= {
1375 .s_radio
= cx18_av_s_radio
,
1376 .s_frequency
= cx18_av_s_frequency
,
1377 .g_tuner
= cx18_av_g_tuner
,
1378 .s_tuner
= cx18_av_s_tuner
,
1381 static const struct v4l2_subdev_audio_ops cx18_av_audio_ops
= {
1382 .s_clock_freq
= cx18_av_s_clock_freq
,
1383 .s_routing
= cx18_av_s_audio_routing
,
1386 static const struct v4l2_subdev_video_ops cx18_av_video_ops
= {
1387 .s_routing
= cx18_av_s_video_routing
,
1388 .s_stream
= cx18_av_s_stream
,
1389 .s_mbus_fmt
= cx18_av_s_mbus_fmt
,
1392 static const struct v4l2_subdev_vbi_ops cx18_av_vbi_ops
= {
1393 .decode_vbi_line
= cx18_av_decode_vbi_line
,
1394 .g_sliced_fmt
= cx18_av_g_sliced_fmt
,
1395 .s_sliced_fmt
= cx18_av_s_sliced_fmt
,
1396 .s_raw_fmt
= cx18_av_s_raw_fmt
,
1399 static const struct v4l2_subdev_ops cx18_av_ops
= {
1400 .core
= &cx18_av_general_ops
,
1401 .tuner
= &cx18_av_tuner_ops
,
1402 .audio
= &cx18_av_audio_ops
,
1403 .video
= &cx18_av_video_ops
,
1404 .vbi
= &cx18_av_vbi_ops
,
1407 int cx18_av_probe(struct cx18
*cx
)
1409 struct cx18_av_state
*state
= &cx
->av_state
;
1410 struct v4l2_subdev
*sd
;
1413 state
->rev
= cx18_av_read4(cx
, CXADEC_CHIP_CTRL
) & 0xffff;
1414 state
->id
= ((state
->rev
>> 4) == CXADEC_CHIP_TYPE_MAKO
)
1415 ? V4L2_IDENT_CX23418_843
: V4L2_IDENT_UNKNOWN
;
1417 state
->vid_input
= CX18_AV_COMPOSITE7
;
1418 state
->aud_input
= CX18_AV_AUDIO8
;
1419 state
->audclk_freq
= 48000;
1420 state
->audmode
= V4L2_TUNER_MODE_LANG1
;
1421 state
->slicer_line_delay
= 0;
1422 state
->slicer_line_offset
= (10 + state
->slicer_line_delay
- 2);
1425 v4l2_subdev_init(sd
, &cx18_av_ops
);
1426 v4l2_set_subdevdata(sd
, cx
);
1427 snprintf(sd
->name
, sizeof(sd
->name
),
1428 "%s %03x", cx
->v4l2_dev
.name
, (state
->rev
>> 4));
1429 sd
->grp_id
= CX18_HW_418_AV
;
1430 err
= v4l2_device_register_subdev(&cx
->v4l2_dev
, sd
);