3 cx88x-audio.c - Conexant CX23880/23881 audio downstream driver driver
5 (c) 2001 Michael Eskin, Tom Zakrajsek [Windows version]
6 (c) 2002 Yurij Sysoev <yurij@naturesoft.net>
7 (c) 2003 Gerd Knorr <kraxel@bytesex.org>
9 -----------------------------------------------------------------------
11 Lot of voodoo here. Even the data sheet doesn't help to
12 understand what is going on here, the documentation for the audio
13 part of the cx2388x chip is *very* bad.
15 Some of this comes from party done linux driver sources I got from
18 Some comes from the dscaler sources, one of the dscaler driver guy works
21 -----------------------------------------------------------------------
23 This program is free software; you can redistribute it and/or modify
24 it under the terms of the GNU General Public License as published by
25 the Free Software Foundation; either version 2 of the License, or
26 (at your option) any later version.
28 This program is distributed in the hope that it will be useful,
29 but WITHOUT ANY WARRANTY; without even the implied warranty of
30 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 GNU General Public License for more details.
33 You should have received a copy of the GNU General Public License
34 along with this program; if not, write to the Free Software
35 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
38 #include <linux/module.h>
39 #include <linux/moduleparam.h>
40 #include <linux/errno.h>
41 #include <linux/freezer.h>
42 #include <linux/kernel.h>
43 #include <linux/slab.h>
45 #include <linux/poll.h>
46 #include <linux/pci.h>
47 #include <linux/signal.h>
48 #include <linux/ioport.h>
49 #include <linux/types.h>
50 #include <linux/interrupt.h>
51 #include <linux/vmalloc.h>
52 #include <linux/init.h>
53 #include <linux/smp_lock.h>
54 #include <linux/delay.h>
55 #include <linux/kthread.h>
59 static unsigned int audio_debug
= 0;
60 module_param(audio_debug
, int, 0644);
61 MODULE_PARM_DESC(audio_debug
, "enable debug messages [audio]");
63 static unsigned int always_analog
= 0;
64 module_param(always_analog
,int,0644);
65 MODULE_PARM_DESC(always_analog
,"force analog audio out");
68 #define dprintk(fmt, arg...) if (audio_debug) \
69 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
71 /* ----------------------------------------------------------- */
73 static char *aud_ctl_names
[64] = {
74 [EN_BTSC_FORCE_MONO
] = "BTSC_FORCE_MONO",
75 [EN_BTSC_FORCE_STEREO
] = "BTSC_FORCE_STEREO",
76 [EN_BTSC_FORCE_SAP
] = "BTSC_FORCE_SAP",
77 [EN_BTSC_AUTO_STEREO
] = "BTSC_AUTO_STEREO",
78 [EN_BTSC_AUTO_SAP
] = "BTSC_AUTO_SAP",
79 [EN_A2_FORCE_MONO1
] = "A2_FORCE_MONO1",
80 [EN_A2_FORCE_MONO2
] = "A2_FORCE_MONO2",
81 [EN_A2_FORCE_STEREO
] = "A2_FORCE_STEREO",
82 [EN_A2_AUTO_MONO2
] = "A2_AUTO_MONO2",
83 [EN_A2_AUTO_STEREO
] = "A2_AUTO_STEREO",
84 [EN_EIAJ_FORCE_MONO1
] = "EIAJ_FORCE_MONO1",
85 [EN_EIAJ_FORCE_MONO2
] = "EIAJ_FORCE_MONO2",
86 [EN_EIAJ_FORCE_STEREO
] = "EIAJ_FORCE_STEREO",
87 [EN_EIAJ_AUTO_MONO2
] = "EIAJ_AUTO_MONO2",
88 [EN_EIAJ_AUTO_STEREO
] = "EIAJ_AUTO_STEREO",
89 [EN_NICAM_FORCE_MONO1
] = "NICAM_FORCE_MONO1",
90 [EN_NICAM_FORCE_MONO2
] = "NICAM_FORCE_MONO2",
91 [EN_NICAM_FORCE_STEREO
] = "NICAM_FORCE_STEREO",
92 [EN_NICAM_AUTO_MONO2
] = "NICAM_AUTO_MONO2",
93 [EN_NICAM_AUTO_STEREO
] = "NICAM_AUTO_STEREO",
94 [EN_FMRADIO_FORCE_MONO
] = "FMRADIO_FORCE_MONO",
95 [EN_FMRADIO_FORCE_STEREO
] = "FMRADIO_FORCE_STEREO",
96 [EN_FMRADIO_AUTO_STEREO
] = "FMRADIO_AUTO_STEREO",
104 static void set_audio_registers(struct cx88_core
*core
, const struct rlist
*l
)
108 for (i
= 0; l
[i
].reg
; i
++) {
110 case AUD_PDF_DDS_CNST_BYTE2
:
111 case AUD_PDF_DDS_CNST_BYTE1
:
112 case AUD_PDF_DDS_CNST_BYTE0
:
114 case AUD_PHACC_FREQ_8MSB
:
115 case AUD_PHACC_FREQ_8LSB
:
116 cx_writeb(l
[i
].reg
, l
[i
].val
);
119 cx_write(l
[i
].reg
, l
[i
].val
);
125 static void set_audio_start(struct cx88_core
*core
, u32 mode
)
128 cx_write(AUD_VOL_CTL
, (1 << 6));
130 /* start programming */
131 cx_write(AUD_INIT
, mode
);
132 cx_write(AUD_INIT_LD
, 0x0001);
133 cx_write(AUD_SOFT_RESET
, 0x0001);
136 static void set_audio_finish(struct cx88_core
*core
, u32 ctl
)
140 /* restart dma; This avoids buzz in NICAM and is good in others */
141 cx88_stop_audio_dma(core
);
142 cx_write(AUD_RATE_THRES_DMD
, 0x000000C0);
143 cx88_start_audio_dma(core
);
145 if (cx88_boards
[core
->board
].mpeg
& CX88_MPEG_BLACKBIRD
) {
146 cx_write(AUD_I2SINPUTCNTL
, 4);
147 cx_write(AUD_BAUDRATE
, 1);
148 /* 'pass-thru mode': this enables the i2s output to the mpeg encoder */
149 cx_set(AUD_CTL
, EN_I2SOUT_ENABLE
);
150 cx_write(AUD_I2SOUTPUTCNTL
, 1);
151 cx_write(AUD_I2SCNTL
, 0);
152 /* cx_write(AUD_APB_IN_RATE_ADJ, 0); */
154 if ((always_analog
) || (!(cx88_boards
[core
->board
].mpeg
& CX88_MPEG_BLACKBIRD
))) {
155 ctl
|= EN_DAC_ENABLE
;
156 cx_write(AUD_CTL
, ctl
);
159 /* finish programming */
160 cx_write(AUD_SOFT_RESET
, 0x0000);
163 volume
= cx_sread(SHADOW_AUD_VOL_CTL
);
164 cx_swrite(SHADOW_AUD_VOL_CTL
, AUD_VOL_CTL
, volume
);
167 /* ----------------------------------------------------------- */
169 static void set_audio_standard_BTSC(struct cx88_core
*core
, unsigned int sap
,
172 static const struct rlist btsc
[] = {
173 {AUD_AFE_12DB_EN
, 0x00000001},
174 {AUD_OUT1_SEL
, 0x00000013},
175 {AUD_OUT1_SHIFT
, 0x00000000},
176 {AUD_POLY0_DDS_CONSTANT
, 0x0012010c},
177 {AUD_DMD_RA_DDS
, 0x00c3e7aa},
178 {AUD_DBX_IN_GAIN
, 0x00004734},
179 {AUD_DBX_WBE_GAIN
, 0x00004640},
180 {AUD_DBX_SE_GAIN
, 0x00008d31},
181 {AUD_DCOC_0_SRC
, 0x0000001a},
182 {AUD_IIR1_4_SEL
, 0x00000021},
183 {AUD_DCOC_PASS_IN
, 0x00000003},
184 {AUD_DCOC_0_SHIFT_IN0
, 0x0000000a},
185 {AUD_DCOC_0_SHIFT_IN1
, 0x00000008},
186 {AUD_DCOC_1_SHIFT_IN0
, 0x0000000a},
187 {AUD_DCOC_1_SHIFT_IN1
, 0x00000008},
188 {AUD_DN0_FREQ
, 0x0000283b},
189 {AUD_DN2_SRC_SEL
, 0x00000008},
190 {AUD_DN2_FREQ
, 0x00003000},
191 {AUD_DN2_AFC
, 0x00000002},
192 {AUD_DN2_SHFT
, 0x00000000},
193 {AUD_IIR2_2_SEL
, 0x00000020},
194 {AUD_IIR2_2_SHIFT
, 0x00000000},
195 {AUD_IIR2_3_SEL
, 0x0000001f},
196 {AUD_IIR2_3_SHIFT
, 0x00000000},
197 {AUD_CRDC1_SRC_SEL
, 0x000003ce},
198 {AUD_CRDC1_SHIFT
, 0x00000000},
199 {AUD_CORDIC_SHIFT_1
, 0x00000007},
200 {AUD_DCOC_1_SRC
, 0x0000001b},
201 {AUD_DCOC1_SHIFT
, 0x00000000},
202 {AUD_RDSI_SEL
, 0x00000008},
203 {AUD_RDSQ_SEL
, 0x00000008},
204 {AUD_RDSI_SHIFT
, 0x00000000},
205 {AUD_RDSQ_SHIFT
, 0x00000000},
206 {AUD_POLYPH80SCALEFAC
, 0x00000003},
207 { /* end of list */ },
209 static const struct rlist btsc_sap
[] = {
210 {AUD_AFE_12DB_EN
, 0x00000001},
211 {AUD_DBX_IN_GAIN
, 0x00007200},
212 {AUD_DBX_WBE_GAIN
, 0x00006200},
213 {AUD_DBX_SE_GAIN
, 0x00006200},
214 {AUD_IIR1_1_SEL
, 0x00000000},
215 {AUD_IIR1_3_SEL
, 0x00000001},
216 {AUD_DN1_SRC_SEL
, 0x00000007},
217 {AUD_IIR1_4_SHIFT
, 0x00000006},
218 {AUD_IIR2_1_SHIFT
, 0x00000000},
219 {AUD_IIR2_2_SHIFT
, 0x00000000},
220 {AUD_IIR3_0_SHIFT
, 0x00000000},
221 {AUD_IIR3_1_SHIFT
, 0x00000000},
222 {AUD_IIR3_0_SEL
, 0x0000000d},
223 {AUD_IIR3_1_SEL
, 0x0000000e},
224 {AUD_DEEMPH1_SRC_SEL
, 0x00000014},
225 {AUD_DEEMPH1_SHIFT
, 0x00000000},
226 {AUD_DEEMPH1_G0
, 0x00004000},
227 {AUD_DEEMPH1_A0
, 0x00000000},
228 {AUD_DEEMPH1_B0
, 0x00000000},
229 {AUD_DEEMPH1_A1
, 0x00000000},
230 {AUD_DEEMPH1_B1
, 0x00000000},
231 {AUD_OUT0_SEL
, 0x0000003f},
232 {AUD_OUT1_SEL
, 0x0000003f},
233 {AUD_DN1_AFC
, 0x00000002},
234 {AUD_DCOC_0_SHIFT_IN0
, 0x0000000a},
235 {AUD_DCOC_0_SHIFT_IN1
, 0x00000008},
236 {AUD_DCOC_1_SHIFT_IN0
, 0x0000000a},
237 {AUD_DCOC_1_SHIFT_IN1
, 0x00000008},
238 {AUD_IIR1_0_SEL
, 0x0000001d},
239 {AUD_IIR1_2_SEL
, 0x0000001e},
240 {AUD_IIR2_1_SEL
, 0x00000002},
241 {AUD_IIR2_2_SEL
, 0x00000004},
242 {AUD_IIR3_2_SEL
, 0x0000000f},
243 {AUD_DCOC2_SHIFT
, 0x00000001},
244 {AUD_IIR3_2_SHIFT
, 0x00000001},
245 {AUD_DEEMPH0_SRC_SEL
, 0x00000014},
246 {AUD_CORDIC_SHIFT_1
, 0x00000006},
247 {AUD_POLY0_DDS_CONSTANT
, 0x000e4db2},
248 {AUD_DMD_RA_DDS
, 0x00f696e6},
249 {AUD_IIR2_3_SEL
, 0x00000025},
250 {AUD_IIR1_4_SEL
, 0x00000021},
251 {AUD_DN1_FREQ
, 0x0000c965},
252 {AUD_DCOC_PASS_IN
, 0x00000003},
253 {AUD_DCOC_0_SRC
, 0x0000001a},
254 {AUD_DCOC_1_SRC
, 0x0000001b},
255 {AUD_DCOC1_SHIFT
, 0x00000000},
256 {AUD_RDSI_SEL
, 0x00000009},
257 {AUD_RDSQ_SEL
, 0x00000009},
258 {AUD_RDSI_SHIFT
, 0x00000000},
259 {AUD_RDSQ_SHIFT
, 0x00000000},
260 {AUD_POLYPH80SCALEFAC
, 0x00000003},
261 { /* end of list */ },
264 mode
|= EN_FMRADIO_EN_RDS
;
267 dprintk("%s SAP (status: unknown)\n", __FUNCTION__
);
268 set_audio_start(core
, SEL_SAP
);
269 set_audio_registers(core
, btsc_sap
);
270 set_audio_finish(core
, mode
);
272 dprintk("%s (status: known-good)\n", __FUNCTION__
);
273 set_audio_start(core
, SEL_BTSC
);
274 set_audio_registers(core
, btsc
);
275 set_audio_finish(core
, mode
);
279 static void set_audio_standard_NICAM(struct cx88_core
*core
, u32 mode
)
281 static const struct rlist nicam_l
[] = {
282 {AUD_AFE_12DB_EN
, 0x00000001},
283 {AUD_RATE_ADJ1
, 0x00000060},
284 {AUD_RATE_ADJ2
, 0x000000F9},
285 {AUD_RATE_ADJ3
, 0x000001CC},
286 {AUD_RATE_ADJ4
, 0x000002B3},
287 {AUD_RATE_ADJ5
, 0x00000726},
288 {AUD_DEEMPHDENOM1_R
, 0x0000F3D0},
289 {AUD_DEEMPHDENOM2_R
, 0x00000000},
290 {AUD_ERRLOGPERIOD_R
, 0x00000064},
291 {AUD_ERRINTRPTTHSHLD1_R
, 0x00000FFF},
292 {AUD_ERRINTRPTTHSHLD2_R
, 0x0000001F},
293 {AUD_ERRINTRPTTHSHLD3_R
, 0x0000000F},
294 {AUD_POLYPH80SCALEFAC
, 0x00000003},
295 {AUD_DMD_RA_DDS
, 0x00C00000},
296 {AUD_PLL_INT
, 0x0000001E},
297 {AUD_PLL_DDS
, 0x00000000},
298 {AUD_PLL_FRAC
, 0x0000E542},
299 {AUD_START_TIMER
, 0x00000000},
300 {AUD_DEEMPHNUMER1_R
, 0x000353DE},
301 {AUD_DEEMPHNUMER2_R
, 0x000001B1},
302 {AUD_PDF_DDS_CNST_BYTE2
, 0x06},
303 {AUD_PDF_DDS_CNST_BYTE1
, 0x82},
304 {AUD_PDF_DDS_CNST_BYTE0
, 0x12},
305 {AUD_QAM_MODE
, 0x05},
306 {AUD_PHACC_FREQ_8MSB
, 0x34},
307 {AUD_PHACC_FREQ_8LSB
, 0x4C},
308 {AUD_DEEMPHGAIN_R
, 0x00006680},
309 {AUD_RATE_THRES_DMD
, 0x000000C0},
310 { /* end of list */ },
313 static const struct rlist nicam_bgdki_common
[] = {
314 {AUD_AFE_12DB_EN
, 0x00000001},
315 {AUD_RATE_ADJ1
, 0x00000010},
316 {AUD_RATE_ADJ2
, 0x00000040},
317 {AUD_RATE_ADJ3
, 0x00000100},
318 {AUD_RATE_ADJ4
, 0x00000400},
319 {AUD_RATE_ADJ5
, 0x00001000},
320 {AUD_ERRLOGPERIOD_R
, 0x00000fff},
321 {AUD_ERRINTRPTTHSHLD1_R
, 0x000003ff},
322 {AUD_ERRINTRPTTHSHLD2_R
, 0x000000ff},
323 {AUD_ERRINTRPTTHSHLD3_R
, 0x0000003f},
324 {AUD_POLYPH80SCALEFAC
, 0x00000003},
325 {AUD_DEEMPHGAIN_R
, 0x000023c2},
326 {AUD_DEEMPHNUMER1_R
, 0x0002a7bc},
327 {AUD_DEEMPHNUMER2_R
, 0x0003023e},
328 {AUD_DEEMPHDENOM1_R
, 0x0000f3d0},
329 {AUD_DEEMPHDENOM2_R
, 0x00000000},
330 {AUD_PDF_DDS_CNST_BYTE2
, 0x06},
331 {AUD_PDF_DDS_CNST_BYTE1
, 0x82},
332 {AUD_QAM_MODE
, 0x05},
333 { /* end of list */ },
336 static const struct rlist nicam_i
[] = {
337 {AUD_PDF_DDS_CNST_BYTE0
, 0x12},
338 {AUD_PHACC_FREQ_8MSB
, 0x3a},
339 {AUD_PHACC_FREQ_8LSB
, 0x93},
340 { /* end of list */ },
343 static const struct rlist nicam_default
[] = {
344 {AUD_PDF_DDS_CNST_BYTE0
, 0x16},
345 {AUD_PHACC_FREQ_8MSB
, 0x34},
346 {AUD_PHACC_FREQ_8LSB
, 0x4c},
347 { /* end of list */ },
350 set_audio_start(core
,SEL_NICAM
);
351 switch (core
->tvaudio
) {
353 dprintk("%s SECAM-L NICAM (status: devel)\n", __FUNCTION__
);
354 set_audio_registers(core
, nicam_l
);
357 dprintk("%s PAL-I NICAM (status: known-good)\n", __FUNCTION__
);
358 set_audio_registers(core
, nicam_bgdki_common
);
359 set_audio_registers(core
, nicam_i
);
362 dprintk("%s PAL-BGDK NICAM (status: known-good)\n", __FUNCTION__
);
363 set_audio_registers(core
, nicam_bgdki_common
);
364 set_audio_registers(core
, nicam_default
);
368 mode
|= EN_DMTRX_LR
| EN_DMTRX_BYPASS
;
369 set_audio_finish(core
, mode
);
372 static void set_audio_standard_A2(struct cx88_core
*core
, u32 mode
)
374 static const struct rlist a2_bgdk_common
[] = {
375 {AUD_ERRLOGPERIOD_R
, 0x00000064},
376 {AUD_ERRINTRPTTHSHLD1_R
, 0x00000fff},
377 {AUD_ERRINTRPTTHSHLD2_R
, 0x0000001f},
378 {AUD_ERRINTRPTTHSHLD3_R
, 0x0000000f},
379 {AUD_PDF_DDS_CNST_BYTE2
, 0x06},
380 {AUD_PDF_DDS_CNST_BYTE1
, 0x82},
381 {AUD_PDF_DDS_CNST_BYTE0
, 0x12},
382 {AUD_QAM_MODE
, 0x05},
383 {AUD_PHACC_FREQ_8MSB
, 0x34},
384 {AUD_PHACC_FREQ_8LSB
, 0x4c},
385 {AUD_RATE_ADJ1
, 0x00000100},
386 {AUD_RATE_ADJ2
, 0x00000200},
387 {AUD_RATE_ADJ3
, 0x00000300},
388 {AUD_RATE_ADJ4
, 0x00000400},
389 {AUD_RATE_ADJ5
, 0x00000500},
390 {AUD_THR_FR
, 0x00000000},
391 {AAGC_HYST
, 0x0000001a},
392 {AUD_PILOT_BQD_1_K0
, 0x0000755b},
393 {AUD_PILOT_BQD_1_K1
, 0x00551340},
394 {AUD_PILOT_BQD_1_K2
, 0x006d30be},
395 {AUD_PILOT_BQD_1_K3
, 0xffd394af},
396 {AUD_PILOT_BQD_1_K4
, 0x00400000},
397 {AUD_PILOT_BQD_2_K0
, 0x00040000},
398 {AUD_PILOT_BQD_2_K1
, 0x002a4841},
399 {AUD_PILOT_BQD_2_K2
, 0x00400000},
400 {AUD_PILOT_BQD_2_K3
, 0x00000000},
401 {AUD_PILOT_BQD_2_K4
, 0x00000000},
402 {AUD_MODE_CHG_TIMER
, 0x00000040},
403 {AUD_AFE_12DB_EN
, 0x00000001},
404 {AUD_CORDIC_SHIFT_0
, 0x00000007},
405 {AUD_CORDIC_SHIFT_1
, 0x00000007},
406 {AUD_DEEMPH0_G0
, 0x00000380},
407 {AUD_DEEMPH1_G0
, 0x00000380},
408 {AUD_DCOC_0_SRC
, 0x0000001a},
409 {AUD_DCOC0_SHIFT
, 0x00000000},
410 {AUD_DCOC_0_SHIFT_IN0
, 0x0000000a},
411 {AUD_DCOC_0_SHIFT_IN1
, 0x00000008},
412 {AUD_DCOC_PASS_IN
, 0x00000003},
413 {AUD_IIR3_0_SEL
, 0x00000021},
414 {AUD_DN2_AFC
, 0x00000002},
415 {AUD_DCOC_1_SRC
, 0x0000001b},
416 {AUD_DCOC1_SHIFT
, 0x00000000},
417 {AUD_DCOC_1_SHIFT_IN0
, 0x0000000a},
418 {AUD_DCOC_1_SHIFT_IN1
, 0x00000008},
419 {AUD_IIR3_1_SEL
, 0x00000023},
420 {AUD_RDSI_SEL
, 0x00000017},
421 {AUD_RDSI_SHIFT
, 0x00000000},
422 {AUD_RDSQ_SEL
, 0x00000017},
423 {AUD_RDSQ_SHIFT
, 0x00000000},
424 {AUD_PLL_INT
, 0x0000001e},
425 {AUD_PLL_DDS
, 0x00000000},
426 {AUD_PLL_FRAC
, 0x0000e542},
427 {AUD_POLYPH80SCALEFAC
, 0x00000001},
428 {AUD_START_TIMER
, 0x00000000},
429 { /* end of list */ },
432 static const struct rlist a2_bg
[] = {
433 {AUD_DMD_RA_DDS
, 0x002a4f2f},
434 {AUD_C1_UP_THR
, 0x00007000},
435 {AUD_C1_LO_THR
, 0x00005400},
436 {AUD_C2_UP_THR
, 0x00005400},
437 {AUD_C2_LO_THR
, 0x00003000},
438 { /* end of list */ },
441 static const struct rlist a2_dk
[] = {
442 {AUD_DMD_RA_DDS
, 0x002a4f2f},
443 {AUD_C1_UP_THR
, 0x00007000},
444 {AUD_C1_LO_THR
, 0x00005400},
445 {AUD_C2_UP_THR
, 0x00005400},
446 {AUD_C2_LO_THR
, 0x00003000},
447 {AUD_DN0_FREQ
, 0x00003a1c},
448 {AUD_DN2_FREQ
, 0x0000d2e0},
449 { /* end of list */ },
452 static const struct rlist a1_i
[] = {
453 {AUD_ERRLOGPERIOD_R
, 0x00000064},
454 {AUD_ERRINTRPTTHSHLD1_R
, 0x00000fff},
455 {AUD_ERRINTRPTTHSHLD2_R
, 0x0000001f},
456 {AUD_ERRINTRPTTHSHLD3_R
, 0x0000000f},
457 {AUD_PDF_DDS_CNST_BYTE2
, 0x06},
458 {AUD_PDF_DDS_CNST_BYTE1
, 0x82},
459 {AUD_PDF_DDS_CNST_BYTE0
, 0x12},
460 {AUD_QAM_MODE
, 0x05},
461 {AUD_PHACC_FREQ_8MSB
, 0x3a},
462 {AUD_PHACC_FREQ_8LSB
, 0x93},
463 {AUD_DMD_RA_DDS
, 0x002a4f2f},
464 {AUD_PLL_INT
, 0x0000001e},
465 {AUD_PLL_DDS
, 0x00000004},
466 {AUD_PLL_FRAC
, 0x0000e542},
467 {AUD_RATE_ADJ1
, 0x00000100},
468 {AUD_RATE_ADJ2
, 0x00000200},
469 {AUD_RATE_ADJ3
, 0x00000300},
470 {AUD_RATE_ADJ4
, 0x00000400},
471 {AUD_RATE_ADJ5
, 0x00000500},
472 {AUD_THR_FR
, 0x00000000},
473 {AUD_PILOT_BQD_1_K0
, 0x0000755b},
474 {AUD_PILOT_BQD_1_K1
, 0x00551340},
475 {AUD_PILOT_BQD_1_K2
, 0x006d30be},
476 {AUD_PILOT_BQD_1_K3
, 0xffd394af},
477 {AUD_PILOT_BQD_1_K4
, 0x00400000},
478 {AUD_PILOT_BQD_2_K0
, 0x00040000},
479 {AUD_PILOT_BQD_2_K1
, 0x002a4841},
480 {AUD_PILOT_BQD_2_K2
, 0x00400000},
481 {AUD_PILOT_BQD_2_K3
, 0x00000000},
482 {AUD_PILOT_BQD_2_K4
, 0x00000000},
483 {AUD_MODE_CHG_TIMER
, 0x00000060},
484 {AUD_AFE_12DB_EN
, 0x00000001},
485 {AAGC_HYST
, 0x0000000a},
486 {AUD_CORDIC_SHIFT_0
, 0x00000007},
487 {AUD_CORDIC_SHIFT_1
, 0x00000007},
488 {AUD_C1_UP_THR
, 0x00007000},
489 {AUD_C1_LO_THR
, 0x00005400},
490 {AUD_C2_UP_THR
, 0x00005400},
491 {AUD_C2_LO_THR
, 0x00003000},
492 {AUD_DCOC_0_SRC
, 0x0000001a},
493 {AUD_DCOC0_SHIFT
, 0x00000000},
494 {AUD_DCOC_0_SHIFT_IN0
, 0x0000000a},
495 {AUD_DCOC_0_SHIFT_IN1
, 0x00000008},
496 {AUD_DCOC_PASS_IN
, 0x00000003},
497 {AUD_IIR3_0_SEL
, 0x00000021},
498 {AUD_DN2_AFC
, 0x00000002},
499 {AUD_DCOC_1_SRC
, 0x0000001b},
500 {AUD_DCOC1_SHIFT
, 0x00000000},
501 {AUD_DCOC_1_SHIFT_IN0
, 0x0000000a},
502 {AUD_DCOC_1_SHIFT_IN1
, 0x00000008},
503 {AUD_IIR3_1_SEL
, 0x00000023},
504 {AUD_DN0_FREQ
, 0x000035a3},
505 {AUD_DN2_FREQ
, 0x000029c7},
506 {AUD_CRDC0_SRC_SEL
, 0x00000511},
507 {AUD_IIR1_0_SEL
, 0x00000001},
508 {AUD_IIR1_1_SEL
, 0x00000000},
509 {AUD_IIR3_2_SEL
, 0x00000003},
510 {AUD_IIR3_2_SHIFT
, 0x00000000},
511 {AUD_IIR3_0_SEL
, 0x00000002},
512 {AUD_IIR2_0_SEL
, 0x00000021},
513 {AUD_IIR2_0_SHIFT
, 0x00000002},
514 {AUD_DEEMPH0_SRC_SEL
, 0x0000000b},
515 {AUD_DEEMPH1_SRC_SEL
, 0x0000000b},
516 {AUD_POLYPH80SCALEFAC
, 0x00000001},
517 {AUD_START_TIMER
, 0x00000000},
518 { /* end of list */ },
521 static const struct rlist am_l
[] = {
522 {AUD_ERRLOGPERIOD_R
, 0x00000064},
523 {AUD_ERRINTRPTTHSHLD1_R
, 0x00000FFF},
524 {AUD_ERRINTRPTTHSHLD2_R
, 0x0000001F},
525 {AUD_ERRINTRPTTHSHLD3_R
, 0x0000000F},
526 {AUD_PDF_DDS_CNST_BYTE2
, 0x48},
527 {AUD_PDF_DDS_CNST_BYTE1
, 0x3D},
528 {AUD_QAM_MODE
, 0x00},
529 {AUD_PDF_DDS_CNST_BYTE0
, 0xf5},
530 {AUD_PHACC_FREQ_8MSB
, 0x3a},
531 {AUD_PHACC_FREQ_8LSB
, 0x4a},
532 {AUD_DEEMPHGAIN_R
, 0x00006680},
533 {AUD_DEEMPHNUMER1_R
, 0x000353DE},
534 {AUD_DEEMPHNUMER2_R
, 0x000001B1},
535 {AUD_DEEMPHDENOM1_R
, 0x0000F3D0},
536 {AUD_DEEMPHDENOM2_R
, 0x00000000},
537 {AUD_FM_MODE_ENABLE
, 0x00000007},
538 {AUD_POLYPH80SCALEFAC
, 0x00000003},
539 {AUD_AFE_12DB_EN
, 0x00000001},
540 {AAGC_GAIN
, 0x00000000},
541 {AAGC_HYST
, 0x00000018},
542 {AAGC_DEF
, 0x00000020},
543 {AUD_DN0_FREQ
, 0x00000000},
544 {AUD_POLY0_DDS_CONSTANT
, 0x000E4DB2},
545 {AUD_DCOC_0_SRC
, 0x00000021},
546 {AUD_IIR1_0_SEL
, 0x00000000},
547 {AUD_IIR1_0_SHIFT
, 0x00000007},
548 {AUD_IIR1_1_SEL
, 0x00000002},
549 {AUD_IIR1_1_SHIFT
, 0x00000000},
550 {AUD_DCOC_1_SRC
, 0x00000003},
551 {AUD_DCOC1_SHIFT
, 0x00000000},
552 {AUD_DCOC_PASS_IN
, 0x00000000},
553 {AUD_IIR1_2_SEL
, 0x00000023},
554 {AUD_IIR1_2_SHIFT
, 0x00000000},
555 {AUD_IIR1_3_SEL
, 0x00000004},
556 {AUD_IIR1_3_SHIFT
, 0x00000007},
557 {AUD_IIR1_4_SEL
, 0x00000005},
558 {AUD_IIR1_4_SHIFT
, 0x00000007},
559 {AUD_IIR3_0_SEL
, 0x00000007},
560 {AUD_IIR3_0_SHIFT
, 0x00000000},
561 {AUD_DEEMPH0_SRC_SEL
, 0x00000011},
562 {AUD_DEEMPH0_SHIFT
, 0x00000000},
563 {AUD_DEEMPH0_G0
, 0x00007000},
564 {AUD_DEEMPH0_A0
, 0x00000000},
565 {AUD_DEEMPH0_B0
, 0x00000000},
566 {AUD_DEEMPH0_A1
, 0x00000000},
567 {AUD_DEEMPH0_B1
, 0x00000000},
568 {AUD_DEEMPH1_SRC_SEL
, 0x00000011},
569 {AUD_DEEMPH1_SHIFT
, 0x00000000},
570 {AUD_DEEMPH1_G0
, 0x00007000},
571 {AUD_DEEMPH1_A0
, 0x00000000},
572 {AUD_DEEMPH1_B0
, 0x00000000},
573 {AUD_DEEMPH1_A1
, 0x00000000},
574 {AUD_DEEMPH1_B1
, 0x00000000},
575 {AUD_OUT0_SEL
, 0x0000003F},
576 {AUD_OUT1_SEL
, 0x0000003F},
577 {AUD_DMD_RA_DDS
, 0x00F5C285},
578 {AUD_PLL_INT
, 0x0000001E},
579 {AUD_PLL_DDS
, 0x00000000},
580 {AUD_PLL_FRAC
, 0x0000E542},
581 {AUD_RATE_ADJ1
, 0x00000100},
582 {AUD_RATE_ADJ2
, 0x00000200},
583 {AUD_RATE_ADJ3
, 0x00000300},
584 {AUD_RATE_ADJ4
, 0x00000400},
585 {AUD_RATE_ADJ5
, 0x00000500},
586 {AUD_RATE_THRES_DMD
, 0x000000C0},
587 { /* end of list */ },
590 static const struct rlist a2_deemph50
[] = {
591 {AUD_DEEMPH0_G0
, 0x00000380},
592 {AUD_DEEMPH1_G0
, 0x00000380},
593 {AUD_DEEMPHGAIN_R
, 0x000011e1},
594 {AUD_DEEMPHNUMER1_R
, 0x0002a7bc},
595 {AUD_DEEMPHNUMER2_R
, 0x0003023c},
596 { /* end of list */ },
599 set_audio_start(core
, SEL_A2
);
600 switch (core
->tvaudio
) {
602 dprintk("%s PAL-BG A1/2 (status: known-good)\n", __FUNCTION__
);
603 set_audio_registers(core
, a2_bgdk_common
);
604 set_audio_registers(core
, a2_bg
);
605 set_audio_registers(core
, a2_deemph50
);
608 dprintk("%s PAL-DK A1/2 (status: known-good)\n", __FUNCTION__
);
609 set_audio_registers(core
, a2_bgdk_common
);
610 set_audio_registers(core
, a2_dk
);
611 set_audio_registers(core
, a2_deemph50
);
614 dprintk("%s PAL-I A1 (status: known-good)\n", __FUNCTION__
);
615 set_audio_registers(core
, a1_i
);
616 set_audio_registers(core
, a2_deemph50
);
619 dprintk("%s AM-L (status: devel)\n", __FUNCTION__
);
620 set_audio_registers(core
, am_l
);
623 dprintk("%s Warning: wrong value\n", __FUNCTION__
);
628 mode
|= EN_FMRADIO_EN_RDS
| EN_DMTRX_SUMDIFF
;
629 set_audio_finish(core
, mode
);
632 static void set_audio_standard_EIAJ(struct cx88_core
*core
)
634 static const struct rlist eiaj
[] = {
635 /* TODO: eiaj register settings are not there yet ... */
637 { /* end of list */ },
639 dprintk("%s (status: unknown)\n", __FUNCTION__
);
641 set_audio_start(core
, SEL_EIAJ
);
642 set_audio_registers(core
, eiaj
);
643 set_audio_finish(core
, EN_EIAJ_AUTO_STEREO
);
646 static void set_audio_standard_FM(struct cx88_core
*core
,
647 enum cx88_deemph_type deemph
)
649 static const struct rlist fm_deemph_50
[] = {
650 {AUD_DEEMPH0_G0
, 0x0C45},
651 {AUD_DEEMPH0_A0
, 0x6262},
652 {AUD_DEEMPH0_B0
, 0x1C29},
653 {AUD_DEEMPH0_A1
, 0x3FC66},
654 {AUD_DEEMPH0_B1
, 0x399A},
656 {AUD_DEEMPH1_G0
, 0x0D80},
657 {AUD_DEEMPH1_A0
, 0x6262},
658 {AUD_DEEMPH1_B0
, 0x1C29},
659 {AUD_DEEMPH1_A1
, 0x3FC66},
660 {AUD_DEEMPH1_B1
, 0x399A},
662 {AUD_POLYPH80SCALEFAC
, 0x0003},
663 { /* end of list */ },
665 static const struct rlist fm_deemph_75
[] = {
666 {AUD_DEEMPH0_G0
, 0x091B},
667 {AUD_DEEMPH0_A0
, 0x6B68},
668 {AUD_DEEMPH0_B0
, 0x11EC},
669 {AUD_DEEMPH0_A1
, 0x3FC66},
670 {AUD_DEEMPH0_B1
, 0x399A},
672 {AUD_DEEMPH1_G0
, 0x0AA0},
673 {AUD_DEEMPH1_A0
, 0x6B68},
674 {AUD_DEEMPH1_B0
, 0x11EC},
675 {AUD_DEEMPH1_A1
, 0x3FC66},
676 {AUD_DEEMPH1_B1
, 0x399A},
678 {AUD_POLYPH80SCALEFAC
, 0x0003},
679 { /* end of list */ },
682 /* It is enough to leave default values? */
683 static const struct rlist fm_no_deemph
[] = {
685 {AUD_POLYPH80SCALEFAC
, 0x0003},
686 { /* end of list */ },
689 dprintk("%s (status: unknown)\n", __FUNCTION__
);
690 set_audio_start(core
, SEL_FMRADIO
);
694 set_audio_registers(core
, fm_no_deemph
);
698 set_audio_registers(core
, fm_deemph_50
);
702 set_audio_registers(core
, fm_deemph_75
);
706 set_audio_finish(core
, EN_FMRADIO_AUTO_STEREO
);
709 /* ----------------------------------------------------------- */
711 static int cx88_detect_nicam(struct cx88_core
*core
)
715 dprintk("start nicam autodetect.\n");
717 for (i
= 0; i
< 6; i
++) {
718 /* if bit1=1 then nicam is detected */
719 j
+= ((cx_read(AUD_NICAM_STATUS2
) & 0x02) >> 1);
722 dprintk("nicam is detected.\n");
726 /* wait a little bit for next reading status */
730 dprintk("nicam is not detected.\n");
734 void cx88_set_tvaudio(struct cx88_core
*core
)
736 switch (core
->tvaudio
) {
738 set_audio_standard_BTSC(core
, 0, EN_BTSC_AUTO_STEREO
);
744 /* prepare all dsp registers */
745 set_audio_standard_A2(core
, EN_A2_FORCE_MONO1
);
747 /* set nicam mode - otherwise
748 AUD_NICAM_STATUS2 contains wrong values */
749 set_audio_standard_NICAM(core
, EN_NICAM_AUTO_STEREO
);
750 if (0 == cx88_detect_nicam(core
)) {
751 /* fall back to fm / am mono */
752 set_audio_standard_A2(core
, EN_A2_FORCE_MONO1
);
759 set_audio_standard_EIAJ(core
);
762 set_audio_standard_FM(core
, FM_NO_DEEMPH
);
766 printk("%s/0: unknown tv audio mode [%d]\n",
767 core
->name
, core
->tvaudio
);
773 void cx88_newstation(struct cx88_core
*core
)
775 core
->audiomode_manual
= UNSET
;
778 void cx88_get_stereo(struct cx88_core
*core
, struct v4l2_tuner
*t
)
780 static char *m
[] = { "stereo", "dual mono", "mono", "sap" };
781 static char *p
[] = { "no pilot", "pilot c1", "pilot c2", "?" };
782 u32 reg
, mode
, pilot
;
784 reg
= cx_read(AUD_STATUS
);
786 pilot
= (reg
>> 2) & 0x03;
788 if (core
->astat
!= reg
)
789 dprintk("AUD_STATUS: 0x%x [%s/%s] ctl=%s\n",
790 reg
, m
[mode
], p
[pilot
],
791 aud_ctl_names
[cx_read(AUD_CTL
) & 63]);
795 Reading from AUD_STATUS is not enough
796 for auto-detecting sap/dual-fm/nicam.
797 Add some code here later.
803 void cx88_set_stereo(struct cx88_core
*core
, u32 mode
, int manual
)
809 core
->audiomode_manual
= mode
;
811 if (UNSET
!= core
->audiomode_manual
)
814 core
->audiomode_current
= mode
;
816 switch (core
->tvaudio
) {
819 case V4L2_TUNER_MODE_MONO
:
820 set_audio_standard_BTSC(core
, 0, EN_BTSC_FORCE_MONO
);
822 case V4L2_TUNER_MODE_LANG1
:
823 set_audio_standard_BTSC(core
, 0, EN_BTSC_AUTO_STEREO
);
825 case V4L2_TUNER_MODE_LANG2
:
826 set_audio_standard_BTSC(core
, 1, EN_BTSC_FORCE_SAP
);
828 case V4L2_TUNER_MODE_STEREO
:
829 case V4L2_TUNER_MODE_LANG1_LANG2
:
830 set_audio_standard_BTSC(core
, 0, EN_BTSC_FORCE_STEREO
);
838 if (1 == core
->use_nicam
) {
840 case V4L2_TUNER_MODE_MONO
:
841 case V4L2_TUNER_MODE_LANG1
:
842 set_audio_standard_NICAM(core
,
843 EN_NICAM_FORCE_MONO1
);
845 case V4L2_TUNER_MODE_LANG2
:
846 set_audio_standard_NICAM(core
,
847 EN_NICAM_FORCE_MONO2
);
849 case V4L2_TUNER_MODE_STEREO
:
850 case V4L2_TUNER_MODE_LANG1_LANG2
:
851 set_audio_standard_NICAM(core
,
852 EN_NICAM_FORCE_STEREO
);
856 if ((core
->tvaudio
== WW_I
) || (core
->tvaudio
== WW_L
)) {
857 /* fall back to fm / am mono */
858 set_audio_standard_A2(core
, EN_A2_FORCE_MONO1
);
860 /* TODO: Add A2 autodection */
862 case V4L2_TUNER_MODE_MONO
:
863 case V4L2_TUNER_MODE_LANG1
:
864 set_audio_standard_A2(core
,
867 case V4L2_TUNER_MODE_LANG2
:
868 set_audio_standard_A2(core
,
871 case V4L2_TUNER_MODE_STEREO
:
872 case V4L2_TUNER_MODE_LANG1_LANG2
:
873 set_audio_standard_A2(core
,
882 case V4L2_TUNER_MODE_MONO
:
883 ctl
= EN_FMRADIO_FORCE_MONO
;
886 case V4L2_TUNER_MODE_STEREO
:
887 ctl
= EN_FMRADIO_AUTO_STEREO
;
895 dprintk("cx88_set_stereo: mask 0x%x, ctl 0x%x "
896 "[status=0x%x,ctl=0x%x,vol=0x%x]\n",
897 mask
, ctl
, cx_read(AUD_STATUS
),
898 cx_read(AUD_CTL
), cx_sread(SHADOW_AUD_VOL_CTL
));
899 cx_andor(AUD_CTL
, mask
, ctl
);
904 int cx88_audio_thread(void *data
)
906 struct cx88_core
*core
= data
;
910 dprintk("cx88: tvaudio thread started\n");
912 msleep_interruptible(1000);
913 if (kthread_should_stop())
917 /* just monitor the audio status for now ... */
918 memset(&t
, 0, sizeof(t
));
919 cx88_get_stereo(core
, &t
);
921 if (UNSET
!= core
->audiomode_manual
)
922 /* manually set, don't do anything. */
926 if (t
.rxsubchans
& V4L2_TUNER_SUB_STEREO
)
927 mode
= V4L2_TUNER_MODE_STEREO
;
929 mode
= V4L2_TUNER_MODE_MONO
;
930 if (mode
== core
->audiomode_current
)
933 /* automatically switch to best available mode */
934 cx88_set_stereo(core
, mode
, 0);
937 dprintk("cx88: tvaudio thread exiting\n");
941 /* ----------------------------------------------------------- */
943 EXPORT_SYMBOL(cx88_set_tvaudio
);
944 EXPORT_SYMBOL(cx88_newstation
);
945 EXPORT_SYMBOL(cx88_set_stereo
);
946 EXPORT_SYMBOL(cx88_get_stereo
);
947 EXPORT_SYMBOL(cx88_audio_thread
);
953 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off