1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Driver for AS3514 and compatible audio codec
12 * Copyright (c) 2007 Daniel Ankers
13 * Copyright (c) 2007 Christian Gmeiner
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * as published by the Free Software Foundation; either version 2
18 * of the License, or (at your option) any later version.
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
23 ****************************************************************************/
35 * This drivers supports:
36 * as3514 , as used in the PP targets
37 * as3517 , as used in the as3525 targets
38 * as3543 , as used in the as3525v2 targets
41 #if CONFIG_CPU == AS3525
42 /* AMS Sansas based on the AS3525 use the LINE2 input for the analog radio
43 signal instead of LINE1 */
44 #define AS3514_LINE_IN_R AS3514_LINE_IN2_R
45 #define AS3514_LINE_IN_L AS3514_LINE_IN2_L
46 #define ADC_R_ADCMUX_LINE_IN ADC_R_ADCMUX_LINE_IN2
47 #define AUDIOSET1_LIN_on AUDIOSET1_LIN2_on
49 #elif CONFIG_CPU == AS3525v2
50 /* There is only 1 pair of registers on AS3543, the line input is selectable in
52 #define AS3514_LINE_IN_R AS3514_LINE_IN1_R
53 #define AS3514_LINE_IN_L AS3514_LINE_IN1_L
54 #define ADC_R_ADCMUX_LINE_IN ADC_R_ADCMUX_LINE_IN2
55 #define AUDIOSET1_LIN_on AUDIOSET1_LIN1_on
57 #else /* PP use line1 */
59 #define AS3514_LINE_IN_R AS3514_LINE_IN1_R
60 #define AS3514_LINE_IN_L AS3514_LINE_IN1_L
61 #define ADC_R_ADCMUX_LINE_IN ADC_R_ADCMUX_LINE_IN1
62 #define AUDIOSET1_LIN_on AUDIOSET1_LIN1_on
66 const struct sound_settings_info audiohw_settings
[] = {
67 [SOUND_VOLUME
] = {"dB", 0, 1, -74, 6, -25},
68 /* HAVE_SW_TONE_CONTROLS */
69 [SOUND_BASS
] = {"dB", 0, 1, -24, 24, 0},
70 [SOUND_TREBLE
] = {"dB", 0, 1, -24, 24, 0},
71 [SOUND_BALANCE
] = {"%", 0, 1,-100, 100, 0},
72 [SOUND_CHANNELS
] = {"", 0, 1, 0, 5, 0},
73 [SOUND_STEREO_WIDTH
] = {"%", 0, 5, 0, 250, 100},
75 [SOUND_MIC_GAIN
] = {"dB", 1, 1, 0, 39, 23},
76 [SOUND_LEFT_GAIN
] = {"dB", 1, 1, 0, 31, 23},
77 [SOUND_RIGHT_GAIN
] = {"dB", 1, 1, 0, 31, 23},
81 /* Shadow registers */
82 static uint8_t as3514_regs
[AS3514_NUM_AUDIO_REGS
]; /* 8-bit registers */
85 * little helper method to set register values.
86 * With the help of as3514_regs, we minimize i2c
89 static void as3514_write(unsigned int reg
, unsigned int value
)
91 if (ascodec_write(reg
, value
) != 2)
93 DEBUGF("as3514 error reg=0x%02x", reg
);
96 if (reg
< ARRAYLEN(as3514_regs
))
98 as3514_regs
[reg
] = value
;
102 DEBUGF("as3514 error reg=0x%02x", reg
);
106 /* Helpers to set/clear bits */
107 static void as3514_set(unsigned int reg
, unsigned int bits
)
109 as3514_write(reg
, as3514_regs
[reg
] | bits
);
112 static void as3514_clear(unsigned int reg
, unsigned int bits
)
114 as3514_write(reg
, as3514_regs
[reg
] & ~bits
);
117 static void as3514_write_masked(unsigned int reg
, unsigned int bits
,
120 as3514_write(reg
, (as3514_regs
[reg
] & ~mask
) | (bits
& mask
));
123 /* convert tenth of dB volume to master volume register value */
124 int tenthdb2master(int db
)
126 /* +6 to -73.5dB in 1.5dB steps == 53 levels */
127 if (db
< VOLUME_MIN
) {
129 } else if (db
>= VOLUME_MAX
) {
132 return((db
-VOLUME_MIN
)/15); /* VOLUME_MIN is negative */
136 int sound_val2phys(int setting
, int value
)
142 #if defined(HAVE_RECORDING)
143 case SOUND_LEFT_GAIN
:
144 case SOUND_RIGHT_GAIN
:
146 result
= (value
- 23) * 15;
159 * Initialise the PP I2C and I2S.
161 void audiohw_preinit(void)
165 /* read all reg values */
166 for (i
= 0; i
< ARRAYLEN(as3514_regs
); i
++)
168 as3514_regs
[i
] = ascodec_read(i
);
171 /* Set ADC off, mixer on, DAC on, line out off, line in off, mic off */
173 /* Turn on SUM, DAC */
174 as3514_write(AS3514_AUDIOSET1
, AUDIOSET1_DAC_on
| AUDIOSET1_SUM_on
);
177 /* Set BIAS on, DITH off, AGC off, IBR_DAC max reduction, LSP_LP on,
178 IBR_LSP max reduction (50%), taken from c200v2 OF
180 as3514_write(AS3514_AUDIOSET2
, AUDIOSET2_IBR_LSP_50
| AUDIOSET2_LSP_LP
|
181 AUDIOSET2_IBR_DAC_50
| AUDIOSET2_AGC_off
| AUDIOSET2_DITH_off
);
184 /* AMS Sansas based on the AS3525 need HPCM enabled, otherwise they output the
185 L-R signal on both L and R headphone outputs instead of normal stereo.
186 Turning it off saves a little power on targets that don't need it. */
187 #if (CONFIG_CPU == AS3525)
188 /* Set HPCM on, ZCU off, reduce bias current, settings taken from c200v2 OF
190 as3514_write(AS3514_AUDIOSET3
, AUDIOSET3_IBR_HPH
| AUDIOSET3_ZCU_off
);
192 /* TODO: check if AS3525 settings save power on e200v1 or as3525v2 */
193 /* Set HPCM off, ZCU on */
194 as3514_write(AS3514_AUDIOSET3
, AUDIOSET3_HPCM_off
);
198 as3514_write(AS3543_DAC_IF
, AS3543_DAC_INT_PLL
);
199 as3514_set(AS3514_LINE_IN1_R
, LINE_IN_R_LINE_SELECT
); /* Line 2 */
201 /* Mute and disable speaker */
202 as3514_write(AS3514_LSP_OUT_R
, LSP_OUT_R_SP_OVC_TO_256MS
| 0x00);
203 as3514_write(AS3514_LSP_OUT_L
, LSP_OUT_L_SP_MUTE
| 0x00);
207 as3514_write(AS3514_HPH_OUT_R
, (0<<7) /* out */ | HPH_OUT_R_HP_OUT_SUM
|
210 /* Set headphone over-current to 0, Min volume */
211 as3514_write(AS3514_HPH_OUT_R
,
212 HPH_OUT_R_HP_OVC_TO_0MS
| 0x00);
214 /* Headphone ON, MUTE, Min volume */
215 as3514_write(AS3514_HPH_OUT_L
,
216 HPH_OUT_L_HP_ON
| HPH_OUT_L_HP_MUTE
| 0x00);
218 #ifdef PHILIPS_SA9200
219 /* LRCK 8-23kHz (there are audible clicks while reading the ADC otherwise) */
220 as3514_write(AS3514_PLLMODE
, PLLMODE_LRCK_8_23
);
223 as3514_write(AS3514_PLLMODE
, PLLMODE_LRCK_24_48
);
227 as3514_set(AS3514_DAC_L
, DAC_L_DAC_MUTE_off
);
230 as3514_set(AS3514_MIC1_L
, MIC1_L_M1_SUP_off
);
233 as3514_set(AS3514_MIC2_L
, MIC2_L_M2_SUP_off
);
237 static void audiohw_mute(bool mute
)
240 as3514_set(AS3514_HPH_OUT_L
, HPH_OUT_L_HP_MUTE
);
243 as3514_clear(AS3514_HPH_OUT_L
, HPH_OUT_L_HP_MUTE
);
247 void audiohw_postinit(void)
249 /* wait until outputs have stabilized */
253 ascodec_suppressor_on(false);
259 void audiohw_set_master_vol(int vol_l
, int vol_r
)
261 unsigned int hph_r
, hph_l
;
262 unsigned int mix_l
, mix_r
;
264 /* We combine the mixer channel volume range with the headphone volume
265 range - keep first stage as loud as possible */
271 hph_r
= vol_r
- 0x16;
279 hph_l
= vol_l
- 0x16;
282 as3514_write_masked(AS3514_DAC_R
, mix_r
, AS3514_VOL_MASK
);
283 as3514_write_masked(AS3514_DAC_L
, mix_l
, AS3514_VOL_MASK
);
284 #if defined(HAVE_RECORDING) || defined(HAVE_FMRADIO_IN)
285 as3514_write_masked(AS3514_LINE_IN_R
, mix_r
, AS3514_VOL_MASK
);
286 as3514_write_masked(AS3514_LINE_IN_L
, mix_l
, AS3514_VOL_MASK
);
288 as3514_write_masked(AS3514_HPH_OUT_R
, hph_r
, AS3514_VOL_MASK
);
289 as3514_write_masked(AS3514_HPH_OUT_L
, hph_l
, AS3514_VOL_MASK
);
292 void audiohw_set_lineout_vol(int vol_l
, int vol_r
)
294 as3514_write_masked(AS3514_LINE_OUT_R
, vol_r
, AS3514_VOL_MASK
);
295 as3514_write_masked(AS3514_LINE_OUT_L
, vol_l
, AS3514_VOL_MASK
);
298 /* Nice shutdown of AS3514 audio codec */
299 void audiohw_close(void)
301 /* mute headphones */
305 ascodec_suppressor_on(true);
309 as3514_clear(AS3514_AUDIOSET3
, AUDIOSET3_HPCM_off
);
311 /* turn off everything */
312 as3514_clear(AS3514_HPH_OUT_L
, HPH_OUT_L_HP_ON
);
313 as3514_write(AS3514_AUDIOSET1
, 0x0);
315 /* Allow caps to discharge */
319 void audiohw_set_frequency(int fsel
)
324 #if defined(HAVE_RECORDING)
325 void audiohw_enable_recording(bool source_mic
)
328 /* ADCmux = Stereo Microphone */
329 as3514_write_masked(AS3514_ADC_R
, ADC_R_ADCMUX_ST_MIC
,
332 /* MIC1_on, others off */
333 as3514_write_masked(AS3514_AUDIOSET1
, AUDIOSET1_MIC1_on
,
334 AUDIOSET1_INPUT_MASK
);
336 #if CONFIG_CPU == AS3525v2
338 as3514_clear(AS3514_MIC1_L
, MIC1_L_M1_SUP_off
);
342 as3514_clear(AS3514_MIC1_R
, MIC1_R_M1_AGC_off
);
344 /* ADCmux = Line_IN1 or Line_IN2 */
345 as3514_write_masked(AS3514_ADC_R
, ADC_R_ADCMUX_LINE_IN
,
348 /* LIN1_or LIN2 on, rest off */
349 as3514_write_masked(AS3514_AUDIOSET1
, AUDIOSET1_LIN_on
,
350 AUDIOSET1_INPUT_MASK
);
352 #if CONFIG_CPU == AS3525v2
354 as3514_set(AS3514_MIC1_L
, MIC1_L_M1_SUP_off
);
359 as3514_set(AS3514_ADC_L
, ADC_L_ADC_MUTE_off
);
361 as3514_set(AS3514_AUDIOSET1
, AUDIOSET1_ADC_on
);
364 void audiohw_disable_recording(void)
367 as3514_clear(AS3514_ADC_L
, ADC_L_ADC_MUTE_off
);
369 /* ADC_off, all input sources off */
370 as3514_clear(AS3514_AUDIOSET1
, AUDIOSET1_ADC_on
| AUDIOSET1_INPUT_MASK
);
374 * Set recording volume
376 * Line in : 0 .. 23 .. 31 =>
377 Volume -34.5 .. +00.0 .. +12.0 dB
378 * Mic (left): 0 .. 23 .. 39 =>
379 * Volume -34.5 .. +00.0 .. +24.0 dB
382 void audiohw_set_recvol(int left
, int right
, int type
)
388 /* Combine MIC gains seamlessly with ADC levels */
392 /* M1_Gain = +40db, ADR_Vol = +7.5dB .. +12.0 dB =>
393 +19.5 dB .. +24.0 dB */
395 mic1_r
= MIC1_R_M1_GAIN_40DB
;
396 } else if (left
>= 32) {
397 /* M1_Gain = +34db, ADR_Vol = +7.5dB .. +12.0 dB =>
398 +13.5 dB .. +18.0 dB */
400 mic1_r
= MIC1_R_M1_GAIN_34DB
;
402 /* M1_Gain = +28db, ADR_Vol = -34.5dB .. +12.0 dB =>
403 -34.5 dB .. +12.0 dB */
404 mic1_r
= MIC1_R_M1_GAIN_28DB
;
409 as3514_write_masked(AS3514_MIC1_R
, mic1_r
, MIC1_R_M1_GAIN
);
412 case AUDIO_GAIN_LINEIN
:
418 as3514_write_masked(AS3514_ADC_R
, right
, AS3514_VOL_MASK
);
419 as3514_write_masked(AS3514_ADC_L
, left
, AS3514_VOL_MASK
);
421 #endif /* HAVE_RECORDING */
423 #if defined(HAVE_RECORDING) || defined(HAVE_FMRADIO_IN)
425 * Enable line in analog monitoring
428 void audiohw_set_monitor(bool enable
)
431 /* select either LIN1 or LIN2 */
432 as3514_write_masked(AS3514_AUDIOSET1
, AUDIOSET1_LIN_on
,
433 AUDIOSET1_LIN1_on
| AUDIOSET1_LIN2_on
);
434 as3514_set(AS3514_LINE_IN_R
, LINE_IN1_R_LI1R_MUTE_off
);
435 as3514_set(AS3514_LINE_IN_L
, LINE_IN1_L_LI1L_MUTE_off
);
438 as3514_write_masked(AS3514_HPH_OUT_R
,
439 HPH_OUT_R_HP_OUT_LINE
, HPH_OUT_R_HP_OUT_MASK
);
443 /* turn off both LIN1 and LIN2 */
444 as3514_clear(AS3514_LINE_IN1_R
, LINE_IN1_R_LI1R_MUTE_off
);
445 as3514_clear(AS3514_LINE_IN1_L
, LINE_IN1_L_LI1L_MUTE_off
);
447 as3514_write_masked(AS3514_HPH_OUT_R
,
448 HPH_OUT_R_HP_OUT_SUM
, HPH_OUT_R_HP_OUT_MASK
);
450 as3514_clear(AS3514_LINE_IN2_R
, LINE_IN2_R_LI2R_MUTE_off
);
451 as3514_clear(AS3514_LINE_IN2_L
, LINE_IN2_L_LI2L_MUTE_off
);
453 as3514_clear(AS3514_AUDIOSET1
, AUDIOSET1_LIN1_on
| AUDIOSET1_LIN2_on
);
456 #endif /* HAVE_RECORDING || HAVE_FMRADIO_IN */