Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | |
3 | cx88x-audio.c - Conexant CX23880/23881 audio downstream driver driver | |
4 | ||
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> | |
8 | ||
9 | ----------------------------------------------------------------------- | |
10 | ||
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. | |
14 | ||
15 | Some of this comes from party done linux driver sources I got from | |
16 | [undocumented]. | |
17 | ||
18 | Some comes from the dscaler sources, one of the dscaler driver guy works | |
19 | for Conexant ... | |
20 | ||
21 | ----------------------------------------------------------------------- | |
22 | ||
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. | |
27 | ||
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. | |
32 | ||
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. | |
36 | */ | |
37 | ||
38 | #include <linux/module.h> | |
1da177e4 | 39 | #include <linux/errno.h> |
a96afb3e | 40 | #include <linux/freezer.h> |
1da177e4 LT |
41 | #include <linux/kernel.h> |
42 | #include <linux/slab.h> | |
43 | #include <linux/mm.h> | |
44 | #include <linux/poll.h> | |
1da177e4 LT |
45 | #include <linux/signal.h> |
46 | #include <linux/ioport.h> | |
1da177e4 LT |
47 | #include <linux/types.h> |
48 | #include <linux/interrupt.h> | |
49 | #include <linux/vmalloc.h> | |
50 | #include <linux/init.h> | |
1da177e4 LT |
51 | #include <linux/delay.h> |
52 | #include <linux/kthread.h> | |
53 | ||
54 | #include "cx88.h" | |
55 | ||
ff699e6b | 56 | static unsigned int audio_debug; |
7b3c6d65 NS |
57 | module_param(audio_debug, int, 0644); |
58 | MODULE_PARM_DESC(audio_debug, "enable debug messages [audio]"); | |
1da177e4 | 59 | |
ff699e6b | 60 | static unsigned int always_analog; |
7d83e843 PC |
61 | module_param(always_analog,int,0644); |
62 | MODULE_PARM_DESC(always_analog,"force analog audio out"); | |
63 | ||
ff699e6b | 64 | static unsigned int radio_deemphasis; |
fa40b223 TP |
65 | module_param(radio_deemphasis,int,0644); |
66 | MODULE_PARM_DESC(radio_deemphasis, "Radio deemphasis time constant, " | |
67 | "0=None, 1=50us (elsewhere), 2=75us (USA)"); | |
7d83e843 | 68 | |
1da177e4 LT |
69 | #define dprintk(fmt, arg...) if (audio_debug) \ |
70 | printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg) | |
71 | ||
72 | /* ----------------------------------------------------------- */ | |
73 | ||
7b3c6d65 NS |
74 | static char *aud_ctl_names[64] = { |
75 | [EN_BTSC_FORCE_MONO] = "BTSC_FORCE_MONO", | |
76 | [EN_BTSC_FORCE_STEREO] = "BTSC_FORCE_STEREO", | |
77 | [EN_BTSC_FORCE_SAP] = "BTSC_FORCE_SAP", | |
78 | [EN_BTSC_AUTO_STEREO] = "BTSC_AUTO_STEREO", | |
79 | [EN_BTSC_AUTO_SAP] = "BTSC_AUTO_SAP", | |
80 | [EN_A2_FORCE_MONO1] = "A2_FORCE_MONO1", | |
81 | [EN_A2_FORCE_MONO2] = "A2_FORCE_MONO2", | |
82 | [EN_A2_FORCE_STEREO] = "A2_FORCE_STEREO", | |
83 | [EN_A2_AUTO_MONO2] = "A2_AUTO_MONO2", | |
84 | [EN_A2_AUTO_STEREO] = "A2_AUTO_STEREO", | |
85 | [EN_EIAJ_FORCE_MONO1] = "EIAJ_FORCE_MONO1", | |
86 | [EN_EIAJ_FORCE_MONO2] = "EIAJ_FORCE_MONO2", | |
87 | [EN_EIAJ_FORCE_STEREO] = "EIAJ_FORCE_STEREO", | |
88 | [EN_EIAJ_AUTO_MONO2] = "EIAJ_AUTO_MONO2", | |
89 | [EN_EIAJ_AUTO_STEREO] = "EIAJ_AUTO_STEREO", | |
90 | [EN_NICAM_FORCE_MONO1] = "NICAM_FORCE_MONO1", | |
91 | [EN_NICAM_FORCE_MONO2] = "NICAM_FORCE_MONO2", | |
92 | [EN_NICAM_FORCE_STEREO] = "NICAM_FORCE_STEREO", | |
93 | [EN_NICAM_AUTO_MONO2] = "NICAM_AUTO_MONO2", | |
94 | [EN_NICAM_AUTO_STEREO] = "NICAM_AUTO_STEREO", | |
95 | [EN_FMRADIO_FORCE_MONO] = "FMRADIO_FORCE_MONO", | |
96 | [EN_FMRADIO_FORCE_STEREO] = "FMRADIO_FORCE_STEREO", | |
97 | [EN_FMRADIO_AUTO_STEREO] = "FMRADIO_AUTO_STEREO", | |
1da177e4 LT |
98 | }; |
99 | ||
100 | struct rlist { | |
101 | u32 reg; | |
102 | u32 val; | |
103 | }; | |
104 | ||
7b3c6d65 | 105 | static void set_audio_registers(struct cx88_core *core, const struct rlist *l) |
1da177e4 LT |
106 | { |
107 | int i; | |
108 | ||
109 | for (i = 0; l[i].reg; i++) { | |
110 | switch (l[i].reg) { | |
111 | case AUD_PDF_DDS_CNST_BYTE2: | |
112 | case AUD_PDF_DDS_CNST_BYTE1: | |
113 | case AUD_PDF_DDS_CNST_BYTE0: | |
114 | case AUD_QAM_MODE: | |
115 | case AUD_PHACC_FREQ_8MSB: | |
116 | case AUD_PHACC_FREQ_8LSB: | |
117 | cx_writeb(l[i].reg, l[i].val); | |
118 | break; | |
119 | default: | |
120 | cx_write(l[i].reg, l[i].val); | |
121 | break; | |
122 | } | |
123 | } | |
124 | } | |
125 | ||
7b3c6d65 | 126 | static void set_audio_start(struct cx88_core *core, u32 mode) |
1da177e4 | 127 | { |
53a7338a | 128 | /* mute */ |
7b3c6d65 | 129 | cx_write(AUD_VOL_CTL, (1 << 6)); |
1da177e4 | 130 | |
53a7338a | 131 | /* start programming */ |
7b3c6d65 NS |
132 | cx_write(AUD_INIT, mode); |
133 | cx_write(AUD_INIT_LD, 0x0001); | |
134 | cx_write(AUD_SOFT_RESET, 0x0001); | |
1da177e4 LT |
135 | } |
136 | ||
e52e98a7 | 137 | static void set_audio_finish(struct cx88_core *core, u32 ctl) |
1da177e4 LT |
138 | { |
139 | u32 volume; | |
140 | ||
6f502b8a MCC |
141 | /* restart dma; This avoids buzz in NICAM and is good in others */ |
142 | cx88_stop_audio_dma(core); | |
53a7338a | 143 | cx_write(AUD_RATE_THRES_DMD, 0x000000C0); |
6f502b8a | 144 | cx88_start_audio_dma(core); |
53a7338a | 145 | |
6a59d64c | 146 | if (core->board.mpeg & CX88_MPEG_BLACKBIRD) { |
b45009b0 MCC |
147 | cx_write(AUD_I2SINPUTCNTL, 4); |
148 | cx_write(AUD_BAUDRATE, 1); | |
53a7338a | 149 | /* 'pass-thru mode': this enables the i2s output to the mpeg encoder */ |
b45009b0 | 150 | cx_set(AUD_CTL, EN_I2SOUT_ENABLE); |
1da177e4 | 151 | cx_write(AUD_I2SOUTPUTCNTL, 1); |
b45009b0 | 152 | cx_write(AUD_I2SCNTL, 0); |
53a7338a | 153 | /* cx_write(AUD_APB_IN_RATE_ADJ, 0); */ |
7d83e843 | 154 | } |
6a59d64c | 155 | if ((always_analog) || (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))) { |
7b3c6d65 NS |
156 | ctl |= EN_DAC_ENABLE; |
157 | cx_write(AUD_CTL, ctl); | |
1da177e4 LT |
158 | } |
159 | ||
e52e98a7 | 160 | /* finish programming */ |
1da177e4 LT |
161 | cx_write(AUD_SOFT_RESET, 0x0000); |
162 | ||
e52e98a7 | 163 | /* unmute */ |
1da177e4 LT |
164 | volume = cx_sread(SHADOW_AUD_VOL_CTL); |
165 | cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, volume); | |
166 | } | |
167 | ||
168 | /* ----------------------------------------------------------- */ | |
169 | ||
7b3c6d65 NS |
170 | static void set_audio_standard_BTSC(struct cx88_core *core, unsigned int sap, |
171 | u32 mode) | |
1da177e4 LT |
172 | { |
173 | static const struct rlist btsc[] = { | |
7b3c6d65 NS |
174 | {AUD_AFE_12DB_EN, 0x00000001}, |
175 | {AUD_OUT1_SEL, 0x00000013}, | |
176 | {AUD_OUT1_SHIFT, 0x00000000}, | |
177 | {AUD_POLY0_DDS_CONSTANT, 0x0012010c}, | |
178 | {AUD_DMD_RA_DDS, 0x00c3e7aa}, | |
179 | {AUD_DBX_IN_GAIN, 0x00004734}, | |
180 | {AUD_DBX_WBE_GAIN, 0x00004640}, | |
181 | {AUD_DBX_SE_GAIN, 0x00008d31}, | |
182 | {AUD_DCOC_0_SRC, 0x0000001a}, | |
183 | {AUD_IIR1_4_SEL, 0x00000021}, | |
184 | {AUD_DCOC_PASS_IN, 0x00000003}, | |
185 | {AUD_DCOC_0_SHIFT_IN0, 0x0000000a}, | |
186 | {AUD_DCOC_0_SHIFT_IN1, 0x00000008}, | |
187 | {AUD_DCOC_1_SHIFT_IN0, 0x0000000a}, | |
188 | {AUD_DCOC_1_SHIFT_IN1, 0x00000008}, | |
189 | {AUD_DN0_FREQ, 0x0000283b}, | |
190 | {AUD_DN2_SRC_SEL, 0x00000008}, | |
191 | {AUD_DN2_FREQ, 0x00003000}, | |
192 | {AUD_DN2_AFC, 0x00000002}, | |
193 | {AUD_DN2_SHFT, 0x00000000}, | |
194 | {AUD_IIR2_2_SEL, 0x00000020}, | |
195 | {AUD_IIR2_2_SHIFT, 0x00000000}, | |
196 | {AUD_IIR2_3_SEL, 0x0000001f}, | |
197 | {AUD_IIR2_3_SHIFT, 0x00000000}, | |
198 | {AUD_CRDC1_SRC_SEL, 0x000003ce}, | |
199 | {AUD_CRDC1_SHIFT, 0x00000000}, | |
200 | {AUD_CORDIC_SHIFT_1, 0x00000007}, | |
201 | {AUD_DCOC_1_SRC, 0x0000001b}, | |
202 | {AUD_DCOC1_SHIFT, 0x00000000}, | |
203 | {AUD_RDSI_SEL, 0x00000008}, | |
204 | {AUD_RDSQ_SEL, 0x00000008}, | |
205 | {AUD_RDSI_SHIFT, 0x00000000}, | |
206 | {AUD_RDSQ_SHIFT, 0x00000000}, | |
207 | {AUD_POLYPH80SCALEFAC, 0x00000003}, | |
e52e98a7 | 208 | { /* end of list */ }, |
1da177e4 LT |
209 | }; |
210 | static const struct rlist btsc_sap[] = { | |
7b3c6d65 NS |
211 | {AUD_AFE_12DB_EN, 0x00000001}, |
212 | {AUD_DBX_IN_GAIN, 0x00007200}, | |
213 | {AUD_DBX_WBE_GAIN, 0x00006200}, | |
214 | {AUD_DBX_SE_GAIN, 0x00006200}, | |
215 | {AUD_IIR1_1_SEL, 0x00000000}, | |
216 | {AUD_IIR1_3_SEL, 0x00000001}, | |
217 | {AUD_DN1_SRC_SEL, 0x00000007}, | |
218 | {AUD_IIR1_4_SHIFT, 0x00000006}, | |
219 | {AUD_IIR2_1_SHIFT, 0x00000000}, | |
220 | {AUD_IIR2_2_SHIFT, 0x00000000}, | |
221 | {AUD_IIR3_0_SHIFT, 0x00000000}, | |
222 | {AUD_IIR3_1_SHIFT, 0x00000000}, | |
223 | {AUD_IIR3_0_SEL, 0x0000000d}, | |
224 | {AUD_IIR3_1_SEL, 0x0000000e}, | |
225 | {AUD_DEEMPH1_SRC_SEL, 0x00000014}, | |
226 | {AUD_DEEMPH1_SHIFT, 0x00000000}, | |
227 | {AUD_DEEMPH1_G0, 0x00004000}, | |
228 | {AUD_DEEMPH1_A0, 0x00000000}, | |
229 | {AUD_DEEMPH1_B0, 0x00000000}, | |
230 | {AUD_DEEMPH1_A1, 0x00000000}, | |
231 | {AUD_DEEMPH1_B1, 0x00000000}, | |
232 | {AUD_OUT0_SEL, 0x0000003f}, | |
233 | {AUD_OUT1_SEL, 0x0000003f}, | |
234 | {AUD_DN1_AFC, 0x00000002}, | |
235 | {AUD_DCOC_0_SHIFT_IN0, 0x0000000a}, | |
236 | {AUD_DCOC_0_SHIFT_IN1, 0x00000008}, | |
237 | {AUD_DCOC_1_SHIFT_IN0, 0x0000000a}, | |
238 | {AUD_DCOC_1_SHIFT_IN1, 0x00000008}, | |
239 | {AUD_IIR1_0_SEL, 0x0000001d}, | |
240 | {AUD_IIR1_2_SEL, 0x0000001e}, | |
241 | {AUD_IIR2_1_SEL, 0x00000002}, | |
242 | {AUD_IIR2_2_SEL, 0x00000004}, | |
243 | {AUD_IIR3_2_SEL, 0x0000000f}, | |
244 | {AUD_DCOC2_SHIFT, 0x00000001}, | |
245 | {AUD_IIR3_2_SHIFT, 0x00000001}, | |
246 | {AUD_DEEMPH0_SRC_SEL, 0x00000014}, | |
247 | {AUD_CORDIC_SHIFT_1, 0x00000006}, | |
248 | {AUD_POLY0_DDS_CONSTANT, 0x000e4db2}, | |
249 | {AUD_DMD_RA_DDS, 0x00f696e6}, | |
250 | {AUD_IIR2_3_SEL, 0x00000025}, | |
251 | {AUD_IIR1_4_SEL, 0x00000021}, | |
252 | {AUD_DN1_FREQ, 0x0000c965}, | |
253 | {AUD_DCOC_PASS_IN, 0x00000003}, | |
254 | {AUD_DCOC_0_SRC, 0x0000001a}, | |
255 | {AUD_DCOC_1_SRC, 0x0000001b}, | |
256 | {AUD_DCOC1_SHIFT, 0x00000000}, | |
257 | {AUD_RDSI_SEL, 0x00000009}, | |
258 | {AUD_RDSQ_SEL, 0x00000009}, | |
259 | {AUD_RDSI_SHIFT, 0x00000000}, | |
260 | {AUD_RDSQ_SHIFT, 0x00000000}, | |
261 | {AUD_POLYPH80SCALEFAC, 0x00000003}, | |
e52e98a7 | 262 | { /* end of list */ }, |
1da177e4 LT |
263 | }; |
264 | ||
e52e98a7 MCC |
265 | mode |= EN_FMRADIO_EN_RDS; |
266 | ||
1da177e4 | 267 | if (sap) { |
32d83efc | 268 | dprintk("%s SAP (status: unknown)\n", __func__); |
7b3c6d65 | 269 | set_audio_start(core, SEL_SAP); |
1da177e4 | 270 | set_audio_registers(core, btsc_sap); |
e52e98a7 | 271 | set_audio_finish(core, mode); |
1da177e4 | 272 | } else { |
32d83efc | 273 | dprintk("%s (status: known-good)\n", __func__); |
7b3c6d65 | 274 | set_audio_start(core, SEL_BTSC); |
1da177e4 | 275 | set_audio_registers(core, btsc); |
e52e98a7 | 276 | set_audio_finish(core, mode); |
1da177e4 | 277 | } |
1da177e4 LT |
278 | } |
279 | ||
b1706b91 | 280 | static void set_audio_standard_NICAM(struct cx88_core *core, u32 mode) |
1da177e4 | 281 | { |
e52e98a7 | 282 | static const struct rlist nicam_l[] = { |
7b3c6d65 NS |
283 | {AUD_AFE_12DB_EN, 0x00000001}, |
284 | {AUD_RATE_ADJ1, 0x00000060}, | |
285 | {AUD_RATE_ADJ2, 0x000000F9}, | |
286 | {AUD_RATE_ADJ3, 0x000001CC}, | |
287 | {AUD_RATE_ADJ4, 0x000002B3}, | |
288 | {AUD_RATE_ADJ5, 0x00000726}, | |
289 | {AUD_DEEMPHDENOM1_R, 0x0000F3D0}, | |
290 | {AUD_DEEMPHDENOM2_R, 0x00000000}, | |
291 | {AUD_ERRLOGPERIOD_R, 0x00000064}, | |
292 | {AUD_ERRINTRPTTHSHLD1_R, 0x00000FFF}, | |
293 | {AUD_ERRINTRPTTHSHLD2_R, 0x0000001F}, | |
294 | {AUD_ERRINTRPTTHSHLD3_R, 0x0000000F}, | |
295 | {AUD_POLYPH80SCALEFAC, 0x00000003}, | |
296 | {AUD_DMD_RA_DDS, 0x00C00000}, | |
297 | {AUD_PLL_INT, 0x0000001E}, | |
298 | {AUD_PLL_DDS, 0x00000000}, | |
299 | {AUD_PLL_FRAC, 0x0000E542}, | |
300 | {AUD_START_TIMER, 0x00000000}, | |
301 | {AUD_DEEMPHNUMER1_R, 0x000353DE}, | |
302 | {AUD_DEEMPHNUMER2_R, 0x000001B1}, | |
303 | {AUD_PDF_DDS_CNST_BYTE2, 0x06}, | |
304 | {AUD_PDF_DDS_CNST_BYTE1, 0x82}, | |
305 | {AUD_PDF_DDS_CNST_BYTE0, 0x12}, | |
306 | {AUD_QAM_MODE, 0x05}, | |
307 | {AUD_PHACC_FREQ_8MSB, 0x34}, | |
308 | {AUD_PHACC_FREQ_8LSB, 0x4C}, | |
309 | {AUD_DEEMPHGAIN_R, 0x00006680}, | |
310 | {AUD_RATE_THRES_DMD, 0x000000C0}, | |
311 | { /* end of list */ }, | |
312 | }; | |
1da177e4 | 313 | |
b1706b91 | 314 | static const struct rlist nicam_bgdki_common[] = { |
7b3c6d65 NS |
315 | {AUD_AFE_12DB_EN, 0x00000001}, |
316 | {AUD_RATE_ADJ1, 0x00000010}, | |
317 | {AUD_RATE_ADJ2, 0x00000040}, | |
318 | {AUD_RATE_ADJ3, 0x00000100}, | |
319 | {AUD_RATE_ADJ4, 0x00000400}, | |
320 | {AUD_RATE_ADJ5, 0x00001000}, | |
7b3c6d65 NS |
321 | {AUD_ERRLOGPERIOD_R, 0x00000fff}, |
322 | {AUD_ERRINTRPTTHSHLD1_R, 0x000003ff}, | |
323 | {AUD_ERRINTRPTTHSHLD2_R, 0x000000ff}, | |
324 | {AUD_ERRINTRPTTHSHLD3_R, 0x0000003f}, | |
325 | {AUD_POLYPH80SCALEFAC, 0x00000003}, | |
326 | {AUD_DEEMPHGAIN_R, 0x000023c2}, | |
327 | {AUD_DEEMPHNUMER1_R, 0x0002a7bc}, | |
328 | {AUD_DEEMPHNUMER2_R, 0x0003023e}, | |
329 | {AUD_DEEMPHDENOM1_R, 0x0000f3d0}, | |
330 | {AUD_DEEMPHDENOM2_R, 0x00000000}, | |
d0fcdd78 | 331 | {AUD_PDF_DDS_CNST_BYTE2, 0x06}, |
7b3c6d65 | 332 | {AUD_PDF_DDS_CNST_BYTE1, 0x82}, |
7b3c6d65 NS |
333 | {AUD_QAM_MODE, 0x05}, |
334 | { /* end of list */ }, | |
b1706b91 TS |
335 | }; |
336 | ||
337 | static const struct rlist nicam_i[] = { | |
7b3c6d65 NS |
338 | {AUD_PDF_DDS_CNST_BYTE0, 0x12}, |
339 | {AUD_PHACC_FREQ_8MSB, 0x3a}, | |
340 | {AUD_PHACC_FREQ_8LSB, 0x93}, | |
341 | { /* end of list */ }, | |
e52e98a7 MCC |
342 | }; |
343 | ||
b1706b91 | 344 | static const struct rlist nicam_default[] = { |
7b3c6d65 NS |
345 | {AUD_PDF_DDS_CNST_BYTE0, 0x16}, |
346 | {AUD_PHACC_FREQ_8MSB, 0x34}, | |
347 | {AUD_PHACC_FREQ_8LSB, 0x4c}, | |
348 | { /* end of list */ }, | |
b1706b91 | 349 | }; |
e52e98a7 | 350 | |
7f7e846c | 351 | set_audio_start(core,SEL_NICAM); |
b1706b91 TS |
352 | switch (core->tvaudio) { |
353 | case WW_L: | |
32d83efc | 354 | dprintk("%s SECAM-L NICAM (status: devel)\n", __func__); |
b1706b91 TS |
355 | set_audio_registers(core, nicam_l); |
356 | break; | |
357 | case WW_I: | |
32d83efc | 358 | dprintk("%s PAL-I NICAM (status: known-good)\n", __func__); |
b1706b91 TS |
359 | set_audio_registers(core, nicam_bgdki_common); |
360 | set_audio_registers(core, nicam_i); | |
361 | break; | |
362 | default: | |
32d83efc | 363 | dprintk("%s PAL-BGDK NICAM (status: known-good)\n", __func__); |
b1706b91 TS |
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); | |
1da177e4 LT |
371 | } |
372 | ||
e52e98a7 | 373 | static void set_audio_standard_A2(struct cx88_core *core, u32 mode) |
1da177e4 | 374 | { |
b1706b91 | 375 | static const struct rlist a2_bgdk_common[] = { |
7b3c6d65 NS |
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 | { /* end of list */ }, | |
e52e98a7 | 431 | }; |
1da177e4 | 432 | |
e52e98a7 | 433 | static const struct rlist a2_bg[] = { |
7b3c6d65 NS |
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 | { /* end of list */ }, | |
1da177e4 LT |
440 | }; |
441 | ||
e52e98a7 | 442 | static const struct rlist a2_dk[] = { |
7b3c6d65 NS |
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 | { /* end of list */ }, | |
1da177e4 | 451 | }; |
b1706b91 TS |
452 | |
453 | static const struct rlist a1_i[] = { | |
7b3c6d65 NS |
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 | { /* end of list */ }, | |
b1706b91 TS |
520 | }; |
521 | ||
522 | static const struct rlist am_l[] = { | |
7b3c6d65 NS |
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 | { /* end of list */ }, | |
1da177e4 | 589 | }; |
e52e98a7 MCC |
590 | |
591 | static const struct rlist a2_deemph50[] = { | |
7b3c6d65 NS |
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 | { /* end of list */ }, | |
e52e98a7 MCC |
598 | }; |
599 | ||
e52e98a7 | 600 | set_audio_start(core, SEL_A2); |
1da177e4 | 601 | switch (core->tvaudio) { |
b1706b91 | 602 | case WW_BG: |
32d83efc | 603 | dprintk("%s PAL-BG A1/2 (status: known-good)\n", __func__); |
b1706b91 TS |
604 | set_audio_registers(core, a2_bgdk_common); |
605 | set_audio_registers(core, a2_bg); | |
606 | set_audio_registers(core, a2_deemph50); | |
1da177e4 | 607 | break; |
b1706b91 | 608 | case WW_DK: |
32d83efc | 609 | dprintk("%s PAL-DK A1/2 (status: known-good)\n", __func__); |
b1706b91 TS |
610 | set_audio_registers(core, a2_bgdk_common); |
611 | set_audio_registers(core, a2_dk); | |
612 | set_audio_registers(core, a2_deemph50); | |
1da177e4 | 613 | break; |
b1706b91 | 614 | case WW_I: |
32d83efc | 615 | dprintk("%s PAL-I A1 (status: known-good)\n", __func__); |
b1706b91 TS |
616 | set_audio_registers(core, a1_i); |
617 | set_audio_registers(core, a2_deemph50); | |
618 | break; | |
619 | case WW_L: | |
32d83efc | 620 | dprintk("%s AM-L (status: devel)\n", __func__); |
b1706b91 TS |
621 | set_audio_registers(core, am_l); |
622 | break; | |
623 | default: | |
32d83efc | 624 | dprintk("%s Warning: wrong value\n", __func__); |
b1706b91 | 625 | return; |
1da177e4 LT |
626 | break; |
627 | }; | |
e52e98a7 MCC |
628 | |
629 | mode |= EN_FMRADIO_EN_RDS | EN_DMTRX_SUMDIFF; | |
630 | set_audio_finish(core, mode); | |
1da177e4 LT |
631 | } |
632 | ||
633 | static void set_audio_standard_EIAJ(struct cx88_core *core) | |
634 | { | |
635 | static const struct rlist eiaj[] = { | |
636 | /* TODO: eiaj register settings are not there yet ... */ | |
637 | ||
638 | { /* end of list */ }, | |
639 | }; | |
32d83efc | 640 | dprintk("%s (status: unknown)\n", __func__); |
1da177e4 | 641 | |
e52e98a7 | 642 | set_audio_start(core, SEL_EIAJ); |
1da177e4 | 643 | set_audio_registers(core, eiaj); |
e52e98a7 | 644 | set_audio_finish(core, EN_EIAJ_AUTO_STEREO); |
1da177e4 LT |
645 | } |
646 | ||
7b3c6d65 NS |
647 | static void set_audio_standard_FM(struct cx88_core *core, |
648 | enum cx88_deemph_type deemph) | |
1da177e4 | 649 | { |
b45009b0 | 650 | static const struct rlist fm_deemph_50[] = { |
7b3c6d65 NS |
651 | {AUD_DEEMPH0_G0, 0x0C45}, |
652 | {AUD_DEEMPH0_A0, 0x6262}, | |
653 | {AUD_DEEMPH0_B0, 0x1C29}, | |
654 | {AUD_DEEMPH0_A1, 0x3FC66}, | |
655 | {AUD_DEEMPH0_B1, 0x399A}, | |
656 | ||
657 | {AUD_DEEMPH1_G0, 0x0D80}, | |
658 | {AUD_DEEMPH1_A0, 0x6262}, | |
659 | {AUD_DEEMPH1_B0, 0x1C29}, | |
660 | {AUD_DEEMPH1_A1, 0x3FC66}, | |
661 | {AUD_DEEMPH1_B1, 0x399A}, | |
662 | ||
663 | {AUD_POLYPH80SCALEFAC, 0x0003}, | |
b45009b0 MCC |
664 | { /* end of list */ }, |
665 | }; | |
666 | static const struct rlist fm_deemph_75[] = { | |
7b3c6d65 NS |
667 | {AUD_DEEMPH0_G0, 0x091B}, |
668 | {AUD_DEEMPH0_A0, 0x6B68}, | |
669 | {AUD_DEEMPH0_B0, 0x11EC}, | |
670 | {AUD_DEEMPH0_A1, 0x3FC66}, | |
671 | {AUD_DEEMPH0_B1, 0x399A}, | |
672 | ||
673 | {AUD_DEEMPH1_G0, 0x0AA0}, | |
674 | {AUD_DEEMPH1_A0, 0x6B68}, | |
675 | {AUD_DEEMPH1_B0, 0x11EC}, | |
676 | {AUD_DEEMPH1_A1, 0x3FC66}, | |
677 | {AUD_DEEMPH1_B1, 0x399A}, | |
678 | ||
679 | {AUD_POLYPH80SCALEFAC, 0x0003}, | |
b45009b0 MCC |
680 | { /* end of list */ }, |
681 | }; | |
1da177e4 | 682 | |
b45009b0 | 683 | /* It is enough to leave default values? */ |
fa40b223 TP |
684 | /* No, it's not! The deemphasis registers are reset to the 75us |
685 | * values by default. Analyzing the spectrum of the decoded audio | |
686 | * reveals that "no deemphasis" is the same as 75 us, while the 50 us | |
687 | * setting results in less deemphasis. */ | |
b45009b0 | 688 | static const struct rlist fm_no_deemph[] = { |
1da177e4 | 689 | |
7b3c6d65 | 690 | {AUD_POLYPH80SCALEFAC, 0x0003}, |
b45009b0 MCC |
691 | { /* end of list */ }, |
692 | }; | |
1da177e4 | 693 | |
32d83efc | 694 | dprintk("%s (status: unknown)\n", __func__); |
e52e98a7 | 695 | set_audio_start(core, SEL_FMRADIO); |
1da177e4 | 696 | |
7b3c6d65 | 697 | switch (deemph) { |
fa40b223 | 698 | default: |
7b3c6d65 NS |
699 | case FM_NO_DEEMPH: |
700 | set_audio_registers(core, fm_no_deemph); | |
701 | break; | |
1da177e4 | 702 | |
7b3c6d65 NS |
703 | case FM_DEEMPH_50: |
704 | set_audio_registers(core, fm_deemph_50); | |
705 | break; | |
1da177e4 | 706 | |
7b3c6d65 NS |
707 | case FM_DEEMPH_75: |
708 | set_audio_registers(core, fm_deemph_75); | |
709 | break; | |
b45009b0 | 710 | } |
1da177e4 | 711 | |
e52e98a7 | 712 | set_audio_finish(core, EN_FMRADIO_AUTO_STEREO); |
1da177e4 LT |
713 | } |
714 | ||
715 | /* ----------------------------------------------------------- */ | |
716 | ||
dff47bf2 | 717 | static int cx88_detect_nicam(struct cx88_core *core) |
b1706b91 | 718 | { |
7b3c6d65 | 719 | int i, j = 0; |
b1706b91 TS |
720 | |
721 | dprintk("start nicam autodetect.\n"); | |
722 | ||
7b3c6d65 NS |
723 | for (i = 0; i < 6; i++) { |
724 | /* if bit1=1 then nicam is detected */ | |
725 | j += ((cx_read(AUD_NICAM_STATUS2) & 0x02) >> 1); | |
b1706b91 | 726 | |
53a7338a | 727 | if (j == 1) { |
b1706b91 TS |
728 | dprintk("nicam is detected.\n"); |
729 | return 1; | |
730 | } | |
731 | ||
732 | /* wait a little bit for next reading status */ | |
7b3c6d65 | 733 | msleep(10); |
b1706b91 TS |
734 | } |
735 | ||
736 | dprintk("nicam is not detected.\n"); | |
737 | return 0; | |
738 | } | |
739 | ||
1da177e4 LT |
740 | void cx88_set_tvaudio(struct cx88_core *core) |
741 | { | |
742 | switch (core->tvaudio) { | |
743 | case WW_BTSC: | |
e52e98a7 | 744 | set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO); |
1da177e4 | 745 | break; |
b1706b91 TS |
746 | case WW_BG: |
747 | case WW_DK: | |
748 | case WW_I: | |
749 | case WW_L: | |
750 | /* prepare all dsp registers */ | |
751 | set_audio_standard_A2(core, EN_A2_FORCE_MONO1); | |
752 | ||
753 | /* set nicam mode - otherwise | |
754 | AUD_NICAM_STATUS2 contains wrong values */ | |
7f7e846c | 755 | set_audio_standard_NICAM(core, EN_NICAM_AUTO_STEREO); |
7b3c6d65 | 756 | if (0 == cx88_detect_nicam(core)) { |
b1706b91 TS |
757 | /* fall back to fm / am mono */ |
758 | set_audio_standard_A2(core, EN_A2_FORCE_MONO1); | |
759 | core->use_nicam = 0; | |
7b3c6d65 | 760 | } else { |
b1706b91 | 761 | core->use_nicam = 1; |
7b3c6d65 | 762 | } |
1da177e4 LT |
763 | break; |
764 | case WW_EIAJ: | |
765 | set_audio_standard_EIAJ(core); | |
766 | break; | |
767 | case WW_FM: | |
fa40b223 | 768 | set_audio_standard_FM(core, radio_deemphasis); |
1da177e4 | 769 | break; |
430189da DB |
770 | case WW_I2SADC: |
771 | set_audio_start(core, 0x01); | |
772 | /* Slave/Philips/Autobaud */ | |
773 | cx_write(AUD_I2SINPUTCNTL, 0); | |
774 | /* Switch to "I2S ADC mode" */ | |
775 | cx_write(AUD_I2SCNTL, 0x1); | |
776 | set_audio_finish(core, EN_I2SIN_ENABLE); | |
777 | break; | |
1da177e4 LT |
778 | case WW_NONE: |
779 | default: | |
780 | printk("%s/0: unknown tv audio mode [%d]\n", | |
7b3c6d65 | 781 | core->name, core->tvaudio); |
1da177e4 LT |
782 | break; |
783 | } | |
784 | return; | |
785 | } | |
786 | ||
787 | void cx88_newstation(struct cx88_core *core) | |
788 | { | |
789 | core->audiomode_manual = UNSET; | |
1da177e4 LT |
790 | } |
791 | ||
792 | void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t) | |
793 | { | |
7b3c6d65 NS |
794 | static char *m[] = { "stereo", "dual mono", "mono", "sap" }; |
795 | static char *p[] = { "no pilot", "pilot c1", "pilot c2", "?" }; | |
796 | u32 reg, mode, pilot; | |
1da177e4 | 797 | |
7b3c6d65 NS |
798 | reg = cx_read(AUD_STATUS); |
799 | mode = reg & 0x03; | |
1da177e4 LT |
800 | pilot = (reg >> 2) & 0x03; |
801 | ||
802 | if (core->astat != reg) | |
803 | dprintk("AUD_STATUS: 0x%x [%s/%s] ctl=%s\n", | |
804 | reg, m[mode], p[pilot], | |
805 | aud_ctl_names[cx_read(AUD_CTL) & 63]); | |
806 | core->astat = reg; | |
807 | ||
e52e98a7 | 808 | /* TODO |
b930e1d8 MK |
809 | Reading from AUD_STATUS is not enough |
810 | for auto-detecting sap/dual-fm/nicam. | |
811 | Add some code here later. | |
e52e98a7 MCC |
812 | */ |
813 | ||
1da177e4 LT |
814 | return; |
815 | } | |
816 | ||
817 | void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual) | |
818 | { | |
7b3c6d65 | 819 | u32 ctl = UNSET; |
1da177e4 LT |
820 | u32 mask = UNSET; |
821 | ||
822 | if (manual) { | |
823 | core->audiomode_manual = mode; | |
824 | } else { | |
825 | if (UNSET != core->audiomode_manual) | |
826 | return; | |
827 | } | |
828 | core->audiomode_current = mode; | |
829 | ||
830 | switch (core->tvaudio) { | |
831 | case WW_BTSC: | |
832 | switch (mode) { | |
833 | case V4L2_TUNER_MODE_MONO: | |
e52e98a7 | 834 | set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_MONO); |
1da177e4 | 835 | break; |
e52e98a7 MCC |
836 | case V4L2_TUNER_MODE_LANG1: |
837 | set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO); | |
838 | break; | |
839 | case V4L2_TUNER_MODE_LANG2: | |
840 | set_audio_standard_BTSC(core, 1, EN_BTSC_FORCE_SAP); | |
1da177e4 LT |
841 | break; |
842 | case V4L2_TUNER_MODE_STEREO: | |
301e22d6 | 843 | case V4L2_TUNER_MODE_LANG1_LANG2: |
e52e98a7 | 844 | set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_STEREO); |
1da177e4 LT |
845 | break; |
846 | } | |
847 | break; | |
b1706b91 TS |
848 | case WW_BG: |
849 | case WW_DK: | |
850 | case WW_I: | |
851 | case WW_L: | |
7b3c6d65 | 852 | if (1 == core->use_nicam) { |
b1706b91 TS |
853 | switch (mode) { |
854 | case V4L2_TUNER_MODE_MONO: | |
855 | case V4L2_TUNER_MODE_LANG1: | |
7b3c6d65 NS |
856 | set_audio_standard_NICAM(core, |
857 | EN_NICAM_FORCE_MONO1); | |
b1706b91 TS |
858 | break; |
859 | case V4L2_TUNER_MODE_LANG2: | |
7b3c6d65 NS |
860 | set_audio_standard_NICAM(core, |
861 | EN_NICAM_FORCE_MONO2); | |
b1706b91 TS |
862 | break; |
863 | case V4L2_TUNER_MODE_STEREO: | |
301e22d6 | 864 | case V4L2_TUNER_MODE_LANG1_LANG2: |
7b3c6d65 NS |
865 | set_audio_standard_NICAM(core, |
866 | EN_NICAM_FORCE_STEREO); | |
b1706b91 TS |
867 | break; |
868 | } | |
869 | } else { | |
7b3c6d65 | 870 | if ((core->tvaudio == WW_I) || (core->tvaudio == WW_L)) { |
b1706b91 TS |
871 | /* fall back to fm / am mono */ |
872 | set_audio_standard_A2(core, EN_A2_FORCE_MONO1); | |
873 | } else { | |
874 | /* TODO: Add A2 autodection */ | |
875 | switch (mode) { | |
876 | case V4L2_TUNER_MODE_MONO: | |
877 | case V4L2_TUNER_MODE_LANG1: | |
7b3c6d65 NS |
878 | set_audio_standard_A2(core, |
879 | EN_A2_FORCE_MONO1); | |
b1706b91 TS |
880 | break; |
881 | case V4L2_TUNER_MODE_LANG2: | |
7b3c6d65 NS |
882 | set_audio_standard_A2(core, |
883 | EN_A2_FORCE_MONO2); | |
b1706b91 TS |
884 | break; |
885 | case V4L2_TUNER_MODE_STEREO: | |
301e22d6 | 886 | case V4L2_TUNER_MODE_LANG1_LANG2: |
7b3c6d65 NS |
887 | set_audio_standard_A2(core, |
888 | EN_A2_FORCE_STEREO); | |
b1706b91 TS |
889 | break; |
890 | } | |
891 | } | |
1da177e4 LT |
892 | } |
893 | break; | |
894 | case WW_FM: | |
895 | switch (mode) { | |
896 | case V4L2_TUNER_MODE_MONO: | |
7b3c6d65 | 897 | ctl = EN_FMRADIO_FORCE_MONO; |
1da177e4 LT |
898 | mask = 0x3f; |
899 | break; | |
900 | case V4L2_TUNER_MODE_STEREO: | |
7b3c6d65 | 901 | ctl = EN_FMRADIO_AUTO_STEREO; |
1da177e4 LT |
902 | mask = 0x3f; |
903 | break; | |
904 | } | |
905 | break; | |
430189da DB |
906 | case WW_I2SADC: |
907 | /* DO NOTHING */ | |
908 | break; | |
1da177e4 LT |
909 | } |
910 | ||
911 | if (UNSET != ctl) { | |
912 | dprintk("cx88_set_stereo: mask 0x%x, ctl 0x%x " | |
913 | "[status=0x%x,ctl=0x%x,vol=0x%x]\n", | |
914 | mask, ctl, cx_read(AUD_STATUS), | |
915 | cx_read(AUD_CTL), cx_sread(SHADOW_AUD_VOL_CTL)); | |
916 | cx_andor(AUD_CTL, mask, ctl); | |
917 | } | |
918 | return; | |
919 | } | |
920 | ||
921 | int cx88_audio_thread(void *data) | |
922 | { | |
923 | struct cx88_core *core = data; | |
924 | struct v4l2_tuner t; | |
925 | u32 mode = 0; | |
926 | ||
927 | dprintk("cx88: tvaudio thread started\n"); | |
83144186 | 928 | set_freezable(); |
1da177e4 LT |
929 | for (;;) { |
930 | msleep_interruptible(1000); | |
931 | if (kthread_should_stop()) | |
932 | break; | |
a96afb3e | 933 | try_to_freeze(); |
1da177e4 LT |
934 | |
935 | /* just monitor the audio status for now ... */ | |
7b3c6d65 NS |
936 | memset(&t, 0, sizeof(t)); |
937 | cx88_get_stereo(core, &t); | |
1da177e4 LT |
938 | |
939 | if (UNSET != core->audiomode_manual) | |
940 | /* manually set, don't do anything. */ | |
941 | continue; | |
942 | ||
943 | /* monitor signal */ | |
944 | if (t.rxsubchans & V4L2_TUNER_SUB_STEREO) | |
945 | mode = V4L2_TUNER_MODE_STEREO; | |
946 | else | |
947 | mode = V4L2_TUNER_MODE_MONO; | |
948 | if (mode == core->audiomode_current) | |
949 | continue; | |
950 | ||
951 | /* automatically switch to best available mode */ | |
952 | cx88_set_stereo(core, mode, 0); | |
953 | } | |
954 | ||
955 | dprintk("cx88: tvaudio thread exiting\n"); | |
956 | return 0; | |
957 | } | |
958 | ||
959 | /* ----------------------------------------------------------- */ | |
960 | ||
961 | EXPORT_SYMBOL(cx88_set_tvaudio); | |
962 | EXPORT_SYMBOL(cx88_newstation); | |
963 | EXPORT_SYMBOL(cx88_set_stereo); | |
964 | EXPORT_SYMBOL(cx88_get_stereo); | |
965 | EXPORT_SYMBOL(cx88_audio_thread); | |
966 | ||
967 | /* | |
968 | * Local variables: | |
969 | * c-basic-offset: 8 | |
970 | * End: | |
b45009b0 | 971 | * 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 |
1da177e4 | 972 | */ |