1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24#include "cx88.h"
25
26#include <linux/module.h>
27#include <linux/errno.h>
28#include <linux/freezer.h>
29#include <linux/kernel.h>
30#include <linux/mm.h>
31#include <linux/poll.h>
32#include <linux/signal.h>
33#include <linux/ioport.h>
34#include <linux/types.h>
35#include <linux/interrupt.h>
36#include <linux/vmalloc.h>
37#include <linux/init.h>
38#include <linux/delay.h>
39#include <linux/kthread.h>
40
41static unsigned int audio_debug;
42module_param(audio_debug, int, 0644);
43MODULE_PARM_DESC(audio_debug, "enable debug messages [audio]");
44
45static unsigned int always_analog;
46module_param(always_analog, int, 0644);
47MODULE_PARM_DESC(always_analog, "force analog audio out");
48
49static unsigned int radio_deemphasis;
50module_param(radio_deemphasis, int, 0644);
51MODULE_PARM_DESC(radio_deemphasis,
52 "Radio deemphasis time constant, 0=None, 1=50us (elsewhere), 2=75us (USA)");
53
54#define dprintk(fmt, arg...) do { \
55 if (audio_debug) \
56 printk(KERN_DEBUG pr_fmt("%s: tvaudio:" fmt), \
57 __func__, ##arg); \
58} while (0)
59
60
61static const char * const aud_ctl_names[64] = {
62 [EN_BTSC_FORCE_MONO] = "BTSC_FORCE_MONO",
63 [EN_BTSC_FORCE_STEREO] = "BTSC_FORCE_STEREO",
64 [EN_BTSC_FORCE_SAP] = "BTSC_FORCE_SAP",
65 [EN_BTSC_AUTO_STEREO] = "BTSC_AUTO_STEREO",
66 [EN_BTSC_AUTO_SAP] = "BTSC_AUTO_SAP",
67 [EN_A2_FORCE_MONO1] = "A2_FORCE_MONO1",
68 [EN_A2_FORCE_MONO2] = "A2_FORCE_MONO2",
69 [EN_A2_FORCE_STEREO] = "A2_FORCE_STEREO",
70 [EN_A2_AUTO_MONO2] = "A2_AUTO_MONO2",
71 [EN_A2_AUTO_STEREO] = "A2_AUTO_STEREO",
72 [EN_EIAJ_FORCE_MONO1] = "EIAJ_FORCE_MONO1",
73 [EN_EIAJ_FORCE_MONO2] = "EIAJ_FORCE_MONO2",
74 [EN_EIAJ_FORCE_STEREO] = "EIAJ_FORCE_STEREO",
75 [EN_EIAJ_AUTO_MONO2] = "EIAJ_AUTO_MONO2",
76 [EN_EIAJ_AUTO_STEREO] = "EIAJ_AUTO_STEREO",
77 [EN_NICAM_FORCE_MONO1] = "NICAM_FORCE_MONO1",
78 [EN_NICAM_FORCE_MONO2] = "NICAM_FORCE_MONO2",
79 [EN_NICAM_FORCE_STEREO] = "NICAM_FORCE_STEREO",
80 [EN_NICAM_AUTO_MONO2] = "NICAM_AUTO_MONO2",
81 [EN_NICAM_AUTO_STEREO] = "NICAM_AUTO_STEREO",
82 [EN_FMRADIO_FORCE_MONO] = "FMRADIO_FORCE_MONO",
83 [EN_FMRADIO_FORCE_STEREO] = "FMRADIO_FORCE_STEREO",
84 [EN_FMRADIO_AUTO_STEREO] = "FMRADIO_AUTO_STEREO",
85};
86
87struct rlist {
88 u32 reg;
89 u32 val;
90};
91
92static void set_audio_registers(struct cx88_core *core, const struct rlist *l)
93{
94 int i;
95
96 for (i = 0; l[i].reg; i++) {
97 switch (l[i].reg) {
98 case AUD_PDF_DDS_CNST_BYTE2:
99 case AUD_PDF_DDS_CNST_BYTE1:
100 case AUD_PDF_DDS_CNST_BYTE0:
101 case AUD_QAM_MODE:
102 case AUD_PHACC_FREQ_8MSB:
103 case AUD_PHACC_FREQ_8LSB:
104 cx_writeb(l[i].reg, l[i].val);
105 break;
106 default:
107 cx_write(l[i].reg, l[i].val);
108 break;
109 }
110 }
111}
112
113static void set_audio_start(struct cx88_core *core, u32 mode)
114{
115
116 cx_write(AUD_VOL_CTL, (1 << 6));
117
118
119 cx_write(AUD_INIT, mode);
120 cx_write(AUD_INIT_LD, 0x0001);
121 cx_write(AUD_SOFT_RESET, 0x0001);
122}
123
124static void set_audio_finish(struct cx88_core *core, u32 ctl)
125{
126 u32 volume;
127
128
129 cx88_stop_audio_dma(core);
130 cx_write(AUD_RATE_THRES_DMD, 0x000000C0);
131 cx88_start_audio_dma(core);
132
133 if (core->board.mpeg & CX88_MPEG_BLACKBIRD) {
134 cx_write(AUD_I2SINPUTCNTL, 4);
135 cx_write(AUD_BAUDRATE, 1);
136
137
138
139
140 cx_set(AUD_CTL, EN_I2SOUT_ENABLE);
141 cx_write(AUD_I2SOUTPUTCNTL, 1);
142 cx_write(AUD_I2SCNTL, 0);
143
144 }
145 if ((always_analog) || (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))) {
146 ctl |= EN_DAC_ENABLE;
147 cx_write(AUD_CTL, ctl);
148 }
149
150
151 cx_write(AUD_SOFT_RESET, 0x0000);
152
153
154 volume = cx_sread(SHADOW_AUD_VOL_CTL);
155 cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, volume);
156
157 core->last_change = jiffies;
158}
159
160
161
162static void set_audio_standard_BTSC(struct cx88_core *core, unsigned int sap,
163 u32 mode)
164{
165 static const struct rlist btsc[] = {
166 {AUD_AFE_12DB_EN, 0x00000001},
167 {AUD_OUT1_SEL, 0x00000013},
168 {AUD_OUT1_SHIFT, 0x00000000},
169 {AUD_POLY0_DDS_CONSTANT, 0x0012010c},
170 {AUD_DMD_RA_DDS, 0x00c3e7aa},
171 {AUD_DBX_IN_GAIN, 0x00004734},
172 {AUD_DBX_WBE_GAIN, 0x00004640},
173 {AUD_DBX_SE_GAIN, 0x00008d31},
174 {AUD_DCOC_0_SRC, 0x0000001a},
175 {AUD_IIR1_4_SEL, 0x00000021},
176 {AUD_DCOC_PASS_IN, 0x00000003},
177 {AUD_DCOC_0_SHIFT_IN0, 0x0000000a},
178 {AUD_DCOC_0_SHIFT_IN1, 0x00000008},
179 {AUD_DCOC_1_SHIFT_IN0, 0x0000000a},
180 {AUD_DCOC_1_SHIFT_IN1, 0x00000008},
181 {AUD_DN0_FREQ, 0x0000283b},
182 {AUD_DN2_SRC_SEL, 0x00000008},
183 {AUD_DN2_FREQ, 0x00003000},
184 {AUD_DN2_AFC, 0x00000002},
185 {AUD_DN2_SHFT, 0x00000000},
186 {AUD_IIR2_2_SEL, 0x00000020},
187 {AUD_IIR2_2_SHIFT, 0x00000000},
188 {AUD_IIR2_3_SEL, 0x0000001f},
189 {AUD_IIR2_3_SHIFT, 0x00000000},
190 {AUD_CRDC1_SRC_SEL, 0x000003ce},
191 {AUD_CRDC1_SHIFT, 0x00000000},
192 {AUD_CORDIC_SHIFT_1, 0x00000007},
193 {AUD_DCOC_1_SRC, 0x0000001b},
194 {AUD_DCOC1_SHIFT, 0x00000000},
195 {AUD_RDSI_SEL, 0x00000008},
196 {AUD_RDSQ_SEL, 0x00000008},
197 {AUD_RDSI_SHIFT, 0x00000000},
198 {AUD_RDSQ_SHIFT, 0x00000000},
199 {AUD_POLYPH80SCALEFAC, 0x00000003},
200 { },
201 };
202 static const struct rlist btsc_sap[] = {
203 {AUD_AFE_12DB_EN, 0x00000001},
204 {AUD_DBX_IN_GAIN, 0x00007200},
205 {AUD_DBX_WBE_GAIN, 0x00006200},
206 {AUD_DBX_SE_GAIN, 0x00006200},
207 {AUD_IIR1_1_SEL, 0x00000000},
208 {AUD_IIR1_3_SEL, 0x00000001},
209 {AUD_DN1_SRC_SEL, 0x00000007},
210 {AUD_IIR1_4_SHIFT, 0x00000006},
211 {AUD_IIR2_1_SHIFT, 0x00000000},
212 {AUD_IIR2_2_SHIFT, 0x00000000},
213 {AUD_IIR3_0_SHIFT, 0x00000000},
214 {AUD_IIR3_1_SHIFT, 0x00000000},
215 {AUD_IIR3_0_SEL, 0x0000000d},
216 {AUD_IIR3_1_SEL, 0x0000000e},
217 {AUD_DEEMPH1_SRC_SEL, 0x00000014},
218 {AUD_DEEMPH1_SHIFT, 0x00000000},
219 {AUD_DEEMPH1_G0, 0x00004000},
220 {AUD_DEEMPH1_A0, 0x00000000},
221 {AUD_DEEMPH1_B0, 0x00000000},
222 {AUD_DEEMPH1_A1, 0x00000000},
223 {AUD_DEEMPH1_B1, 0x00000000},
224 {AUD_OUT0_SEL, 0x0000003f},
225 {AUD_OUT1_SEL, 0x0000003f},
226 {AUD_DN1_AFC, 0x00000002},
227 {AUD_DCOC_0_SHIFT_IN0, 0x0000000a},
228 {AUD_DCOC_0_SHIFT_IN1, 0x00000008},
229 {AUD_DCOC_1_SHIFT_IN0, 0x0000000a},
230 {AUD_DCOC_1_SHIFT_IN1, 0x00000008},
231 {AUD_IIR1_0_SEL, 0x0000001d},
232 {AUD_IIR1_2_SEL, 0x0000001e},
233 {AUD_IIR2_1_SEL, 0x00000002},
234 {AUD_IIR2_2_SEL, 0x00000004},
235 {AUD_IIR3_2_SEL, 0x0000000f},
236 {AUD_DCOC2_SHIFT, 0x00000001},
237 {AUD_IIR3_2_SHIFT, 0x00000001},
238 {AUD_DEEMPH0_SRC_SEL, 0x00000014},
239 {AUD_CORDIC_SHIFT_1, 0x00000006},
240 {AUD_POLY0_DDS_CONSTANT, 0x000e4db2},
241 {AUD_DMD_RA_DDS, 0x00f696e6},
242 {AUD_IIR2_3_SEL, 0x00000025},
243 {AUD_IIR1_4_SEL, 0x00000021},
244 {AUD_DN1_FREQ, 0x0000c965},
245 {AUD_DCOC_PASS_IN, 0x00000003},
246 {AUD_DCOC_0_SRC, 0x0000001a},
247 {AUD_DCOC_1_SRC, 0x0000001b},
248 {AUD_DCOC1_SHIFT, 0x00000000},
249 {AUD_RDSI_SEL, 0x00000009},
250 {AUD_RDSQ_SEL, 0x00000009},
251 {AUD_RDSI_SHIFT, 0x00000000},
252 {AUD_RDSQ_SHIFT, 0x00000000},
253 {AUD_POLYPH80SCALEFAC, 0x00000003},
254 { },
255 };
256
257 mode |= EN_FMRADIO_EN_RDS;
258
259 if (sap) {
260 dprintk("%s SAP (status: unknown)\n", __func__);
261 set_audio_start(core, SEL_SAP);
262 set_audio_registers(core, btsc_sap);
263 set_audio_finish(core, mode);
264 } else {
265 dprintk("%s (status: known-good)\n", __func__);
266 set_audio_start(core, SEL_BTSC);
267 set_audio_registers(core, btsc);
268 set_audio_finish(core, mode);
269 }
270}
271
272static void set_audio_standard_NICAM(struct cx88_core *core, u32 mode)
273{
274 static const struct rlist nicam_l[] = {
275 {AUD_AFE_12DB_EN, 0x00000001},
276 {AUD_RATE_ADJ1, 0x00000060},
277 {AUD_RATE_ADJ2, 0x000000F9},
278 {AUD_RATE_ADJ3, 0x000001CC},
279 {AUD_RATE_ADJ4, 0x000002B3},
280 {AUD_RATE_ADJ5, 0x00000726},
281 {AUD_DEEMPHDENOM1_R, 0x0000F3D0},
282 {AUD_DEEMPHDENOM2_R, 0x00000000},
283 {AUD_ERRLOGPERIOD_R, 0x00000064},
284 {AUD_ERRINTRPTTHSHLD1_R, 0x00000FFF},
285 {AUD_ERRINTRPTTHSHLD2_R, 0x0000001F},
286 {AUD_ERRINTRPTTHSHLD3_R, 0x0000000F},
287 {AUD_POLYPH80SCALEFAC, 0x00000003},
288 {AUD_DMD_RA_DDS, 0x00C00000},
289 {AUD_PLL_INT, 0x0000001E},
290 {AUD_PLL_DDS, 0x00000000},
291 {AUD_PLL_FRAC, 0x0000E542},
292 {AUD_START_TIMER, 0x00000000},
293 {AUD_DEEMPHNUMER1_R, 0x000353DE},
294 {AUD_DEEMPHNUMER2_R, 0x000001B1},
295 {AUD_PDF_DDS_CNST_BYTE2, 0x06},
296 {AUD_PDF_DDS_CNST_BYTE1, 0x82},
297 {AUD_PDF_DDS_CNST_BYTE0, 0x12},
298 {AUD_QAM_MODE, 0x05},
299 {AUD_PHACC_FREQ_8MSB, 0x34},
300 {AUD_PHACC_FREQ_8LSB, 0x4C},
301 {AUD_DEEMPHGAIN_R, 0x00006680},
302 {AUD_RATE_THRES_DMD, 0x000000C0},
303 { },
304 };
305
306 static const struct rlist nicam_bgdki_common[] = {
307 {AUD_AFE_12DB_EN, 0x00000001},
308 {AUD_RATE_ADJ1, 0x00000010},
309 {AUD_RATE_ADJ2, 0x00000040},
310 {AUD_RATE_ADJ3, 0x00000100},
311 {AUD_RATE_ADJ4, 0x00000400},
312 {AUD_RATE_ADJ5, 0x00001000},
313 {AUD_ERRLOGPERIOD_R, 0x00000fff},
314 {AUD_ERRINTRPTTHSHLD1_R, 0x000003ff},
315 {AUD_ERRINTRPTTHSHLD2_R, 0x000000ff},
316 {AUD_ERRINTRPTTHSHLD3_R, 0x0000003f},
317 {AUD_POLYPH80SCALEFAC, 0x00000003},
318 {AUD_DEEMPHGAIN_R, 0x000023c2},
319 {AUD_DEEMPHNUMER1_R, 0x0002a7bc},
320 {AUD_DEEMPHNUMER2_R, 0x0003023e},
321 {AUD_DEEMPHDENOM1_R, 0x0000f3d0},
322 {AUD_DEEMPHDENOM2_R, 0x00000000},
323 {AUD_PDF_DDS_CNST_BYTE2, 0x06},
324 {AUD_PDF_DDS_CNST_BYTE1, 0x82},
325 {AUD_QAM_MODE, 0x05},
326 { },
327 };
328
329 static const struct rlist nicam_i[] = {
330 {AUD_PDF_DDS_CNST_BYTE0, 0x12},
331 {AUD_PHACC_FREQ_8MSB, 0x3a},
332 {AUD_PHACC_FREQ_8LSB, 0x93},
333 { },
334 };
335
336 static const struct rlist nicam_default[] = {
337 {AUD_PDF_DDS_CNST_BYTE0, 0x16},
338 {AUD_PHACC_FREQ_8MSB, 0x34},
339 {AUD_PHACC_FREQ_8LSB, 0x4c},
340 { },
341 };
342
343 set_audio_start(core, SEL_NICAM);
344 switch (core->tvaudio) {
345 case WW_L:
346 dprintk("%s SECAM-L NICAM (status: devel)\n", __func__);
347 set_audio_registers(core, nicam_l);
348 break;
349 case WW_I:
350 dprintk("%s PAL-I NICAM (status: known-good)\n", __func__);
351 set_audio_registers(core, nicam_bgdki_common);
352 set_audio_registers(core, nicam_i);
353 break;
354 case WW_NONE:
355 case WW_BTSC:
356 case WW_BG:
357 case WW_DK:
358 case WW_EIAJ:
359 case WW_I2SPT:
360 case WW_FM:
361 case WW_I2SADC:
362 case WW_M:
363 dprintk("%s PAL-BGDK NICAM (status: known-good)\n", __func__);
364 set_audio_registers(core, nicam_bgdki_common);
365 set_audio_registers(core, nicam_default);
366 break;
367 }
368
369 mode |= EN_DMTRX_LR | EN_DMTRX_BYPASS;
370 set_audio_finish(core, mode);
371}
372
373static void set_audio_standard_A2(struct cx88_core *core, u32 mode)
374{
375 static const struct rlist a2_bgdk_common[] = {
376 {AUD_ERRLOGPERIOD_R, 0x00000064},
377 {AUD_ERRINTRPTTHSHLD1_R, 0x00000fff},
378 {AUD_ERRINTRPTTHSHLD2_R, 0x0000001f},
379 {AUD_ERRINTRPTTHSHLD3_R, 0x0000000f},
380 {AUD_PDF_DDS_CNST_BYTE2, 0x06},
381 {AUD_PDF_DDS_CNST_BYTE1, 0x82},
382 {AUD_PDF_DDS_CNST_BYTE0, 0x12},
383 {AUD_QAM_MODE, 0x05},
384 {AUD_PHACC_FREQ_8MSB, 0x34},
385 {AUD_PHACC_FREQ_8LSB, 0x4c},
386 {AUD_RATE_ADJ1, 0x00000100},
387 {AUD_RATE_ADJ2, 0x00000200},
388 {AUD_RATE_ADJ3, 0x00000300},
389 {AUD_RATE_ADJ4, 0x00000400},
390 {AUD_RATE_ADJ5, 0x00000500},
391 {AUD_THR_FR, 0x00000000},
392 {AAGC_HYST, 0x0000001a},
393 {AUD_PILOT_BQD_1_K0, 0x0000755b},
394 {AUD_PILOT_BQD_1_K1, 0x00551340},
395 {AUD_PILOT_BQD_1_K2, 0x006d30be},
396 {AUD_PILOT_BQD_1_K3, 0xffd394af},
397 {AUD_PILOT_BQD_1_K4, 0x00400000},
398 {AUD_PILOT_BQD_2_K0, 0x00040000},
399 {AUD_PILOT_BQD_2_K1, 0x002a4841},
400 {AUD_PILOT_BQD_2_K2, 0x00400000},
401 {AUD_PILOT_BQD_2_K3, 0x00000000},
402 {AUD_PILOT_BQD_2_K4, 0x00000000},
403 {AUD_MODE_CHG_TIMER, 0x00000040},
404 {AUD_AFE_12DB_EN, 0x00000001},
405 {AUD_CORDIC_SHIFT_0, 0x00000007},
406 {AUD_CORDIC_SHIFT_1, 0x00000007},
407 {AUD_DEEMPH0_G0, 0x00000380},
408 {AUD_DEEMPH1_G0, 0x00000380},
409 {AUD_DCOC_0_SRC, 0x0000001a},
410 {AUD_DCOC0_SHIFT, 0x00000000},
411 {AUD_DCOC_0_SHIFT_IN0, 0x0000000a},
412 {AUD_DCOC_0_SHIFT_IN1, 0x00000008},
413 {AUD_DCOC_PASS_IN, 0x00000003},
414 {AUD_IIR3_0_SEL, 0x00000021},
415 {AUD_DN2_AFC, 0x00000002},
416 {AUD_DCOC_1_SRC, 0x0000001b},
417 {AUD_DCOC1_SHIFT, 0x00000000},
418 {AUD_DCOC_1_SHIFT_IN0, 0x0000000a},
419 {AUD_DCOC_1_SHIFT_IN1, 0x00000008},
420 {AUD_IIR3_1_SEL, 0x00000023},
421 {AUD_RDSI_SEL, 0x00000017},
422 {AUD_RDSI_SHIFT, 0x00000000},
423 {AUD_RDSQ_SEL, 0x00000017},
424 {AUD_RDSQ_SHIFT, 0x00000000},
425 {AUD_PLL_INT, 0x0000001e},
426 {AUD_PLL_DDS, 0x00000000},
427 {AUD_PLL_FRAC, 0x0000e542},
428 {AUD_POLYPH80SCALEFAC, 0x00000001},
429 {AUD_START_TIMER, 0x00000000},
430 { },
431 };
432
433 static const struct rlist a2_bg[] = {
434 {AUD_DMD_RA_DDS, 0x002a4f2f},
435 {AUD_C1_UP_THR, 0x00007000},
436 {AUD_C1_LO_THR, 0x00005400},
437 {AUD_C2_UP_THR, 0x00005400},
438 {AUD_C2_LO_THR, 0x00003000},
439 { },
440 };
441
442 static const struct rlist a2_dk[] = {
443 {AUD_DMD_RA_DDS, 0x002a4f2f},
444 {AUD_C1_UP_THR, 0x00007000},
445 {AUD_C1_LO_THR, 0x00005400},
446 {AUD_C2_UP_THR, 0x00005400},
447 {AUD_C2_LO_THR, 0x00003000},
448 {AUD_DN0_FREQ, 0x00003a1c},
449 {AUD_DN2_FREQ, 0x0000d2e0},
450 { },
451 };
452
453 static const struct rlist a1_i[] = {
454 {AUD_ERRLOGPERIOD_R, 0x00000064},
455 {AUD_ERRINTRPTTHSHLD1_R, 0x00000fff},
456 {AUD_ERRINTRPTTHSHLD2_R, 0x0000001f},
457 {AUD_ERRINTRPTTHSHLD3_R, 0x0000000f},
458 {AUD_PDF_DDS_CNST_BYTE2, 0x06},
459 {AUD_PDF_DDS_CNST_BYTE1, 0x82},
460 {AUD_PDF_DDS_CNST_BYTE0, 0x12},
461 {AUD_QAM_MODE, 0x05},
462 {AUD_PHACC_FREQ_8MSB, 0x3a},
463 {AUD_PHACC_FREQ_8LSB, 0x93},
464 {AUD_DMD_RA_DDS, 0x002a4f2f},
465 {AUD_PLL_INT, 0x0000001e},
466 {AUD_PLL_DDS, 0x00000004},
467 {AUD_PLL_FRAC, 0x0000e542},
468 {AUD_RATE_ADJ1, 0x00000100},
469 {AUD_RATE_ADJ2, 0x00000200},
470 {AUD_RATE_ADJ3, 0x00000300},
471 {AUD_RATE_ADJ4, 0x00000400},
472 {AUD_RATE_ADJ5, 0x00000500},
473 {AUD_THR_FR, 0x00000000},
474 {AUD_PILOT_BQD_1_K0, 0x0000755b},
475 {AUD_PILOT_BQD_1_K1, 0x00551340},
476 {AUD_PILOT_BQD_1_K2, 0x006d30be},
477 {AUD_PILOT_BQD_1_K3, 0xffd394af},
478 {AUD_PILOT_BQD_1_K4, 0x00400000},
479 {AUD_PILOT_BQD_2_K0, 0x00040000},
480 {AUD_PILOT_BQD_2_K1, 0x002a4841},
481 {AUD_PILOT_BQD_2_K2, 0x00400000},
482 {AUD_PILOT_BQD_2_K3, 0x00000000},
483 {AUD_PILOT_BQD_2_K4, 0x00000000},
484 {AUD_MODE_CHG_TIMER, 0x00000060},
485 {AUD_AFE_12DB_EN, 0x00000001},
486 {AAGC_HYST, 0x0000000a},
487 {AUD_CORDIC_SHIFT_0, 0x00000007},
488 {AUD_CORDIC_SHIFT_1, 0x00000007},
489 {AUD_C1_UP_THR, 0x00007000},
490 {AUD_C1_LO_THR, 0x00005400},
491 {AUD_C2_UP_THR, 0x00005400},
492 {AUD_C2_LO_THR, 0x00003000},
493 {AUD_DCOC_0_SRC, 0x0000001a},
494 {AUD_DCOC0_SHIFT, 0x00000000},
495 {AUD_DCOC_0_SHIFT_IN0, 0x0000000a},
496 {AUD_DCOC_0_SHIFT_IN1, 0x00000008},
497 {AUD_DCOC_PASS_IN, 0x00000003},
498 {AUD_IIR3_0_SEL, 0x00000021},
499 {AUD_DN2_AFC, 0x00000002},
500 {AUD_DCOC_1_SRC, 0x0000001b},
501 {AUD_DCOC1_SHIFT, 0x00000000},
502 {AUD_DCOC_1_SHIFT_IN0, 0x0000000a},
503 {AUD_DCOC_1_SHIFT_IN1, 0x00000008},
504 {AUD_IIR3_1_SEL, 0x00000023},
505 {AUD_DN0_FREQ, 0x000035a3},
506 {AUD_DN2_FREQ, 0x000029c7},
507 {AUD_CRDC0_SRC_SEL, 0x00000511},
508 {AUD_IIR1_0_SEL, 0x00000001},
509 {AUD_IIR1_1_SEL, 0x00000000},
510 {AUD_IIR3_2_SEL, 0x00000003},
511 {AUD_IIR3_2_SHIFT, 0x00000000},
512 {AUD_IIR3_0_SEL, 0x00000002},
513 {AUD_IIR2_0_SEL, 0x00000021},
514 {AUD_IIR2_0_SHIFT, 0x00000002},
515 {AUD_DEEMPH0_SRC_SEL, 0x0000000b},
516 {AUD_DEEMPH1_SRC_SEL, 0x0000000b},
517 {AUD_POLYPH80SCALEFAC, 0x00000001},
518 {AUD_START_TIMER, 0x00000000},
519 { },
520 };
521
522 static const struct rlist am_l[] = {
523 {AUD_ERRLOGPERIOD_R, 0x00000064},
524 {AUD_ERRINTRPTTHSHLD1_R, 0x00000FFF},
525 {AUD_ERRINTRPTTHSHLD2_R, 0x0000001F},
526 {AUD_ERRINTRPTTHSHLD3_R, 0x0000000F},
527 {AUD_PDF_DDS_CNST_BYTE2, 0x48},
528 {AUD_PDF_DDS_CNST_BYTE1, 0x3D},
529 {AUD_QAM_MODE, 0x00},
530 {AUD_PDF_DDS_CNST_BYTE0, 0xf5},
531 {AUD_PHACC_FREQ_8MSB, 0x3a},
532 {AUD_PHACC_FREQ_8LSB, 0x4a},
533 {AUD_DEEMPHGAIN_R, 0x00006680},
534 {AUD_DEEMPHNUMER1_R, 0x000353DE},
535 {AUD_DEEMPHNUMER2_R, 0x000001B1},
536 {AUD_DEEMPHDENOM1_R, 0x0000F3D0},
537 {AUD_DEEMPHDENOM2_R, 0x00000000},
538 {AUD_FM_MODE_ENABLE, 0x00000007},
539 {AUD_POLYPH80SCALEFAC, 0x00000003},
540 {AUD_AFE_12DB_EN, 0x00000001},
541 {AAGC_GAIN, 0x00000000},
542 {AAGC_HYST, 0x00000018},
543 {AAGC_DEF, 0x00000020},
544 {AUD_DN0_FREQ, 0x00000000},
545 {AUD_POLY0_DDS_CONSTANT, 0x000E4DB2},
546 {AUD_DCOC_0_SRC, 0x00000021},
547 {AUD_IIR1_0_SEL, 0x00000000},
548 {AUD_IIR1_0_SHIFT, 0x00000007},
549 {AUD_IIR1_1_SEL, 0x00000002},
550 {AUD_IIR1_1_SHIFT, 0x00000000},
551 {AUD_DCOC_1_SRC, 0x00000003},
552 {AUD_DCOC1_SHIFT, 0x00000000},
553 {AUD_DCOC_PASS_IN, 0x00000000},
554 {AUD_IIR1_2_SEL, 0x00000023},
555 {AUD_IIR1_2_SHIFT, 0x00000000},
556 {AUD_IIR1_3_SEL, 0x00000004},
557 {AUD_IIR1_3_SHIFT, 0x00000007},
558 {AUD_IIR1_4_SEL, 0x00000005},
559 {AUD_IIR1_4_SHIFT, 0x00000007},
560 {AUD_IIR3_0_SEL, 0x00000007},
561 {AUD_IIR3_0_SHIFT, 0x00000000},
562 {AUD_DEEMPH0_SRC_SEL, 0x00000011},
563 {AUD_DEEMPH0_SHIFT, 0x00000000},
564 {AUD_DEEMPH0_G0, 0x00007000},
565 {AUD_DEEMPH0_A0, 0x00000000},
566 {AUD_DEEMPH0_B0, 0x00000000},
567 {AUD_DEEMPH0_A1, 0x00000000},
568 {AUD_DEEMPH0_B1, 0x00000000},
569 {AUD_DEEMPH1_SRC_SEL, 0x00000011},
570 {AUD_DEEMPH1_SHIFT, 0x00000000},
571 {AUD_DEEMPH1_G0, 0x00007000},
572 {AUD_DEEMPH1_A0, 0x00000000},
573 {AUD_DEEMPH1_B0, 0x00000000},
574 {AUD_DEEMPH1_A1, 0x00000000},
575 {AUD_DEEMPH1_B1, 0x00000000},
576 {AUD_OUT0_SEL, 0x0000003F},
577 {AUD_OUT1_SEL, 0x0000003F},
578 {AUD_DMD_RA_DDS, 0x00F5C285},
579 {AUD_PLL_INT, 0x0000001E},
580 {AUD_PLL_DDS, 0x00000000},
581 {AUD_PLL_FRAC, 0x0000E542},
582 {AUD_RATE_ADJ1, 0x00000100},
583 {AUD_RATE_ADJ2, 0x00000200},
584 {AUD_RATE_ADJ3, 0x00000300},
585 {AUD_RATE_ADJ4, 0x00000400},
586 {AUD_RATE_ADJ5, 0x00000500},
587 {AUD_RATE_THRES_DMD, 0x000000C0},
588 { },
589 };
590
591 static const struct rlist a2_deemph50[] = {
592 {AUD_DEEMPH0_G0, 0x00000380},
593 {AUD_DEEMPH1_G0, 0x00000380},
594 {AUD_DEEMPHGAIN_R, 0x000011e1},
595 {AUD_DEEMPHNUMER1_R, 0x0002a7bc},
596 {AUD_DEEMPHNUMER2_R, 0x0003023c},
597 { },
598 };
599
600 set_audio_start(core, SEL_A2);
601 switch (core->tvaudio) {
602 case WW_BG:
603 dprintk("%s PAL-BG A1/2 (status: known-good)\n", __func__);
604 set_audio_registers(core, a2_bgdk_common);
605 set_audio_registers(core, a2_bg);
606 set_audio_registers(core, a2_deemph50);
607 break;
608 case WW_DK:
609 dprintk("%s PAL-DK A1/2 (status: known-good)\n", __func__);
610 set_audio_registers(core, a2_bgdk_common);
611 set_audio_registers(core, a2_dk);
612 set_audio_registers(core, a2_deemph50);
613 break;
614 case WW_I:
615 dprintk("%s PAL-I A1 (status: known-good)\n", __func__);
616 set_audio_registers(core, a1_i);
617 set_audio_registers(core, a2_deemph50);
618 break;
619 case WW_L:
620 dprintk("%s AM-L (status: devel)\n", __func__);
621 set_audio_registers(core, am_l);
622 break;
623 case WW_NONE:
624 case WW_BTSC:
625 case WW_EIAJ:
626 case WW_I2SPT:
627 case WW_FM:
628 case WW_I2SADC:
629 case WW_M:
630 dprintk("%s Warning: wrong value\n", __func__);
631 return;
632 }
633
634 mode |= EN_FMRADIO_EN_RDS | EN_DMTRX_SUMDIFF;
635 set_audio_finish(core, mode);
636}
637
638static void set_audio_standard_EIAJ(struct cx88_core *core)
639{
640 static const struct rlist eiaj[] = {
641
642
643 { },
644 };
645 dprintk("%s (status: unknown)\n", __func__);
646
647 set_audio_start(core, SEL_EIAJ);
648 set_audio_registers(core, eiaj);
649 set_audio_finish(core, EN_EIAJ_AUTO_STEREO);
650}
651
652static void set_audio_standard_FM(struct cx88_core *core,
653 enum cx88_deemph_type deemph)
654{
655 static const struct rlist fm_deemph_50[] = {
656 {AUD_DEEMPH0_G0, 0x0C45},
657 {AUD_DEEMPH0_A0, 0x6262},
658 {AUD_DEEMPH0_B0, 0x1C29},
659 {AUD_DEEMPH0_A1, 0x3FC66},
660 {AUD_DEEMPH0_B1, 0x399A},
661
662 {AUD_DEEMPH1_G0, 0x0D80},
663 {AUD_DEEMPH1_A0, 0x6262},
664 {AUD_DEEMPH1_B0, 0x1C29},
665 {AUD_DEEMPH1_A1, 0x3FC66},
666 {AUD_DEEMPH1_B1, 0x399A},
667
668 {AUD_POLYPH80SCALEFAC, 0x0003},
669 { },
670 };
671 static const struct rlist fm_deemph_75[] = {
672 {AUD_DEEMPH0_G0, 0x091B},
673 {AUD_DEEMPH0_A0, 0x6B68},
674 {AUD_DEEMPH0_B0, 0x11EC},
675 {AUD_DEEMPH0_A1, 0x3FC66},
676 {AUD_DEEMPH0_B1, 0x399A},
677
678 {AUD_DEEMPH1_G0, 0x0AA0},
679 {AUD_DEEMPH1_A0, 0x6B68},
680 {AUD_DEEMPH1_B0, 0x11EC},
681 {AUD_DEEMPH1_A1, 0x3FC66},
682 {AUD_DEEMPH1_B1, 0x399A},
683
684 {AUD_POLYPH80SCALEFAC, 0x0003},
685 { },
686 };
687
688
689
690
691
692
693
694
695
696 static const struct rlist fm_no_deemph[] = {
697 {AUD_POLYPH80SCALEFAC, 0x0003},
698 { },
699 };
700
701 dprintk("%s (status: unknown)\n", __func__);
702 set_audio_start(core, SEL_FMRADIO);
703
704 switch (deemph) {
705 default:
706 case FM_NO_DEEMPH:
707 set_audio_registers(core, fm_no_deemph);
708 break;
709
710 case FM_DEEMPH_50:
711 set_audio_registers(core, fm_deemph_50);
712 break;
713
714 case FM_DEEMPH_75:
715 set_audio_registers(core, fm_deemph_75);
716 break;
717 }
718
719 set_audio_finish(core, EN_FMRADIO_AUTO_STEREO);
720}
721
722
723
724static int cx88_detect_nicam(struct cx88_core *core)
725{
726 int i, j = 0;
727
728 dprintk("start nicam autodetect.\n");
729
730 for (i = 0; i < 6; i++) {
731
732 j += ((cx_read(AUD_NICAM_STATUS2) & 0x02) >> 1);
733
734 if (j == 1) {
735 dprintk("nicam is detected.\n");
736 return 1;
737 }
738
739
740 usleep_range(10000, 20000);
741 }
742
743 dprintk("nicam is not detected.\n");
744 return 0;
745}
746
747void cx88_set_tvaudio(struct cx88_core *core)
748{
749 switch (core->tvaudio) {
750 case WW_BTSC:
751 set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO);
752 break;
753 case WW_BG:
754 case WW_DK:
755 case WW_M:
756 case WW_I:
757 case WW_L:
758
759 set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
760
761
762
763
764
765 set_audio_standard_NICAM(core, EN_NICAM_AUTO_STEREO);
766 if (cx88_detect_nicam(core) == 0) {
767
768 set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
769 core->audiomode_current = V4L2_TUNER_MODE_MONO;
770 core->use_nicam = 0;
771 } else {
772 core->use_nicam = 1;
773 }
774 break;
775 case WW_EIAJ:
776 set_audio_standard_EIAJ(core);
777 break;
778 case WW_FM:
779 set_audio_standard_FM(core, radio_deemphasis);
780 break;
781 case WW_I2SADC:
782 set_audio_start(core, 0x01);
783
784
785
786
787
788 cx_write(AUD_I2SINPUTCNTL, core->board.i2sinputcntl);
789
790 cx_write(AUD_I2SCNTL, 0x1);
791 set_audio_finish(core, EN_I2SIN_ENABLE);
792 break;
793 case WW_NONE:
794 case WW_I2SPT:
795 pr_info("unknown tv audio mode [%d]\n", core->tvaudio);
796 break;
797 }
798}
799EXPORT_SYMBOL(cx88_set_tvaudio);
800
801void cx88_newstation(struct cx88_core *core)
802{
803 core->audiomode_manual = UNSET;
804 core->last_change = jiffies;
805}
806EXPORT_SYMBOL(cx88_newstation);
807
808void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t)
809{
810 static const char * const m[] = { "stereo", "dual mono",
811 "mono", "sap" };
812 static const char * const p[] = { "no pilot", "pilot c1",
813 "pilot c2", "?" };
814 u32 reg, mode, pilot;
815
816 reg = cx_read(AUD_STATUS);
817 mode = reg & 0x03;
818 pilot = (reg >> 2) & 0x03;
819
820 if (core->astat != reg)
821 dprintk("AUD_STATUS: 0x%x [%s/%s] ctl=%s\n",
822 reg, m[mode], p[pilot],
823 aud_ctl_names[cx_read(AUD_CTL) & 63]);
824 core->astat = reg;
825
826 t->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_SAP |
827 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
828 t->rxsubchans = UNSET;
829 t->audmode = V4L2_TUNER_MODE_MONO;
830
831 switch (mode) {
832 case 0:
833 t->audmode = V4L2_TUNER_MODE_STEREO;
834 break;
835 case 1:
836 t->audmode = V4L2_TUNER_MODE_LANG2;
837 break;
838 case 2:
839 t->audmode = V4L2_TUNER_MODE_MONO;
840 break;
841 case 3:
842 t->audmode = V4L2_TUNER_MODE_SAP;
843 break;
844 }
845
846 switch (core->tvaudio) {
847 case WW_BTSC:
848 case WW_BG:
849 case WW_DK:
850 case WW_M:
851 case WW_EIAJ:
852 if (!core->use_nicam) {
853 t->rxsubchans = cx88_dsp_detect_stereo_sap(core);
854 break;
855 }
856 break;
857 case WW_NONE:
858 case WW_I:
859 case WW_L:
860 case WW_I2SPT:
861 case WW_FM:
862 case WW_I2SADC:
863
864 break;
865 }
866
867
868 if (t->rxsubchans == UNSET) {
869 t->rxsubchans = V4L2_TUNER_SUB_MONO;
870
871
872
873
874 if (t->audmode == V4L2_TUNER_MODE_STEREO)
875 t->rxsubchans |= V4L2_TUNER_SUB_STEREO;
876 }
877}
878EXPORT_SYMBOL(cx88_get_stereo);
879
880
881void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual)
882{
883 u32 ctl = UNSET;
884 u32 mask = UNSET;
885
886 if (manual) {
887 core->audiomode_manual = mode;
888 } else {
889 if (core->audiomode_manual != UNSET)
890 return;
891 }
892 core->audiomode_current = mode;
893
894 switch (core->tvaudio) {
895 case WW_BTSC:
896 switch (mode) {
897 case V4L2_TUNER_MODE_MONO:
898 set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_MONO);
899 break;
900 case V4L2_TUNER_MODE_LANG1:
901 set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO);
902 break;
903 case V4L2_TUNER_MODE_LANG2:
904 set_audio_standard_BTSC(core, 1, EN_BTSC_FORCE_SAP);
905 break;
906 case V4L2_TUNER_MODE_STEREO:
907 case V4L2_TUNER_MODE_LANG1_LANG2:
908 set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_STEREO);
909 break;
910 }
911 break;
912 case WW_BG:
913 case WW_DK:
914 case WW_M:
915 case WW_I:
916 case WW_L:
917 if (core->use_nicam == 1) {
918 switch (mode) {
919 case V4L2_TUNER_MODE_MONO:
920 case V4L2_TUNER_MODE_LANG1:
921 set_audio_standard_NICAM(core,
922 EN_NICAM_FORCE_MONO1);
923 break;
924 case V4L2_TUNER_MODE_LANG2:
925 set_audio_standard_NICAM(core,
926 EN_NICAM_FORCE_MONO2);
927 break;
928 case V4L2_TUNER_MODE_STEREO:
929 case V4L2_TUNER_MODE_LANG1_LANG2:
930 set_audio_standard_NICAM(core,
931 EN_NICAM_FORCE_STEREO);
932 break;
933 }
934 } else {
935 if ((core->tvaudio == WW_I) ||
936 (core->tvaudio == WW_L)) {
937
938 set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
939 } else {
940
941 mask = 0x3f;
942 switch (mode) {
943 case V4L2_TUNER_MODE_MONO:
944 case V4L2_TUNER_MODE_LANG1:
945 ctl = EN_A2_FORCE_MONO1;
946 break;
947 case V4L2_TUNER_MODE_LANG2:
948 ctl = EN_A2_FORCE_MONO2;
949 break;
950 case V4L2_TUNER_MODE_STEREO:
951 case V4L2_TUNER_MODE_LANG1_LANG2:
952 ctl = EN_A2_FORCE_STEREO;
953 break;
954 }
955 }
956 }
957 break;
958 case WW_FM:
959 switch (mode) {
960 case V4L2_TUNER_MODE_MONO:
961 ctl = EN_FMRADIO_FORCE_MONO;
962 mask = 0x3f;
963 break;
964 case V4L2_TUNER_MODE_STEREO:
965 ctl = EN_FMRADIO_AUTO_STEREO;
966 mask = 0x3f;
967 break;
968 }
969 break;
970 case WW_I2SADC:
971 case WW_NONE:
972 case WW_EIAJ:
973 case WW_I2SPT:
974
975 break;
976 }
977
978 if (ctl != UNSET) {
979 dprintk("cx88_set_stereo: mask 0x%x, ctl 0x%x [status=0x%x,ctl=0x%x,vol=0x%x]\n",
980 mask, ctl, cx_read(AUD_STATUS),
981 cx_read(AUD_CTL), cx_sread(SHADOW_AUD_VOL_CTL));
982 cx_andor(AUD_CTL, mask, ctl);
983 }
984}
985EXPORT_SYMBOL(cx88_set_stereo);
986
987int cx88_audio_thread(void *data)
988{
989 struct cx88_core *core = data;
990 struct v4l2_tuner t;
991 u32 mode = 0;
992
993 dprintk("cx88: tvaudio thread started\n");
994 set_freezable();
995 for (;;) {
996 msleep_interruptible(1000);
997 if (kthread_should_stop())
998 break;
999 try_to_freeze();
1000
1001 switch (core->tvaudio) {
1002 case WW_BG:
1003 case WW_DK:
1004 case WW_M:
1005 case WW_I:
1006 case WW_L:
1007 if (core->use_nicam)
1008 goto hw_autodetect;
1009
1010
1011 memset(&t, 0, sizeof(t));
1012 cx88_get_stereo(core, &t);
1013
1014 if (core->audiomode_manual != UNSET)
1015
1016 continue;
1017
1018
1019 if (t.rxsubchans & V4L2_TUNER_SUB_STEREO)
1020 mode = V4L2_TUNER_MODE_STEREO;
1021 else
1022 mode = V4L2_TUNER_MODE_MONO;
1023 if (mode == core->audiomode_current)
1024 continue;
1025
1026 cx88_set_stereo(core, mode, 0);
1027 break;
1028 case WW_NONE:
1029 case WW_BTSC:
1030 case WW_EIAJ:
1031 case WW_I2SPT:
1032 case WW_FM:
1033 case WW_I2SADC:
1034hw_autodetect:
1035
1036
1037
1038
1039 break;
1040 }
1041 }
1042
1043 dprintk("cx88: tvaudio thread exiting\n");
1044 return 0;
1045}
1046EXPORT_SYMBOL(cx88_audio_thread);
1047
