2 * uda1380.c - Philips UDA1380 ALSA SoC audio driver
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
8 * Copyright (c) 2007 Philipp Zabel <philipp.zabel@gmail.com>
9 * Improved support for DAPM and audio routing/mixing capabilities,
12 * Modified by Richard Purdie <richard@openedhand.com> to fit into SoC
15 * Copyright (c) 2005 Giorgio Padrin <giorgio@mandarinlogiq.org>
16 * Copyright 2005 Openedhand Ltd.
19 #include <linux/module.h>
20 #include <linux/init.h>
21 #include <linux/types.h>
22 #include <linux/string.h>
23 #include <linux/slab.h>
24 #include <linux/errno.h>
25 #include <linux/ioctl.h>
26 #include <linux/delay.h>
27 #include <linux/i2c.h>
28 #include <sound/core.h>
29 #include <sound/control.h>
30 #include <sound/initval.h>
31 #include <sound/info.h>
32 #include <sound/soc.h>
33 #include <sound/soc-dapm.h>
34 #include <sound/tlv.h>
38 #define UDA1380_VERSION "0.6"
41 * uda1380 register cache
43 static const u16 uda1380_reg
[UDA1380_CACHEREGNUM
] = {
44 0x0502, 0x0000, 0x0000, 0x3f3f,
45 0x0202, 0x0000, 0x0000, 0x0000,
46 0x0000, 0x0000, 0x0000, 0x0000,
47 0x0000, 0x0000, 0x0000, 0x0000,
48 0x0000, 0xff00, 0x0000, 0x4800,
49 0x0000, 0x0000, 0x0000, 0x0000,
50 0x0000, 0x0000, 0x0000, 0x0000,
51 0x0000, 0x0000, 0x0000, 0x0000,
52 0x0000, 0x8000, 0x0002, 0x0000,
56 * read uda1380 register cache
58 static inline unsigned int uda1380_read_reg_cache(struct snd_soc_codec
*codec
,
61 u16
*cache
= codec
->reg_cache
;
62 if (reg
== UDA1380_RESET
)
64 if (reg
>= UDA1380_CACHEREGNUM
)
70 * write uda1380 register cache
72 static inline void uda1380_write_reg_cache(struct snd_soc_codec
*codec
,
73 u16 reg
, unsigned int value
)
75 u16
*cache
= codec
->reg_cache
;
76 if (reg
>= UDA1380_CACHEREGNUM
)
82 * write to the UDA1380 register space
84 static int uda1380_write(struct snd_soc_codec
*codec
, unsigned int reg
,
90 * data[0] is register offset
95 data
[1] = (value
& 0xff00) >> 8;
96 data
[2] = value
& 0x00ff;
98 uda1380_write_reg_cache(codec
, reg
, value
);
100 /* the interpolator & decimator regs must only be written when the
101 * codec DAI is active.
103 if (!codec
->active
&& (reg
>= UDA1380_MVOL
))
105 pr_debug("uda1380: hw write %x val %x\n", reg
, value
);
106 if (codec
->hw_write(codec
->control_data
, data
, 3) == 3) {
108 i2c_master_send(codec
->control_data
, data
, 1);
109 i2c_master_recv(codec
->control_data
, data
, 2);
110 val
= (data
[0]<<8) | data
[1];
112 pr_debug("uda1380: READ BACK VAL %x\n",
113 (data
[0]<<8) | data
[1]);
121 #define uda1380_reset(c) uda1380_write(c, UDA1380_RESET, 0)
123 /* declarations of ALSA reg_elem_REAL controls */
124 static const char *uda1380_deemp
[] = {
131 static const char *uda1380_input_sel
[] = {
137 static const char *uda1380_output_sel
[] = {
141 static const char *uda1380_spf_mode
[] = {
147 static const char *uda1380_capture_sel
[] = {
151 static const char *uda1380_sel_ns
[] = {
155 static const char *uda1380_mix_control
[] = {
158 "before sound processing",
159 "after sound processing"
161 static const char *uda1380_sdet_setting
[] = {
167 static const char *uda1380_os_setting
[] = {
169 "double-speed (no mixing)",
170 "quad-speed (no mixing)"
173 static const struct soc_enum uda1380_deemp_enum
[] = {
174 SOC_ENUM_SINGLE(UDA1380_DEEMP
, 8, 5, uda1380_deemp
),
175 SOC_ENUM_SINGLE(UDA1380_DEEMP
, 0, 5, uda1380_deemp
),
177 static const struct soc_enum uda1380_input_sel_enum
=
178 SOC_ENUM_SINGLE(UDA1380_ADC
, 2, 4, uda1380_input_sel
); /* SEL_MIC, SEL_LNA */
179 static const struct soc_enum uda1380_output_sel_enum
=
180 SOC_ENUM_SINGLE(UDA1380_PM
, 7, 2, uda1380_output_sel
); /* R02_EN_AVC */
181 static const struct soc_enum uda1380_spf_enum
=
182 SOC_ENUM_SINGLE(UDA1380_MODE
, 14, 4, uda1380_spf_mode
); /* M */
183 static const struct soc_enum uda1380_capture_sel_enum
=
184 SOC_ENUM_SINGLE(UDA1380_IFACE
, 6, 2, uda1380_capture_sel
); /* SEL_SOURCE */
185 static const struct soc_enum uda1380_sel_ns_enum
=
186 SOC_ENUM_SINGLE(UDA1380_MIXER
, 14, 2, uda1380_sel_ns
); /* SEL_NS */
187 static const struct soc_enum uda1380_mix_enum
=
188 SOC_ENUM_SINGLE(UDA1380_MIXER
, 12, 4, uda1380_mix_control
); /* MIX, MIX_POS */
189 static const struct soc_enum uda1380_sdet_enum
=
190 SOC_ENUM_SINGLE(UDA1380_MIXER
, 4, 4, uda1380_sdet_setting
); /* SD_VALUE */
191 static const struct soc_enum uda1380_os_enum
=
192 SOC_ENUM_SINGLE(UDA1380_MIXER
, 0, 3, uda1380_os_setting
); /* OS */
195 * from -48 dB in 1.5 dB steps (mute instead of -49.5 dB)
197 static DECLARE_TLV_DB_SCALE(amix_tlv
, -4950, 150, 1);
200 * from -78 dB in 1 dB steps (3 dB steps, really. LSB are ignored),
201 * from -66 dB in 0.5 dB steps (2 dB steps, really) and
202 * from -52 dB in 0.25 dB steps
204 static const unsigned int mvol_tlv
[] = {
205 TLV_DB_RANGE_HEAD(3),
206 0, 15, TLV_DB_SCALE_ITEM(-8200, 100, 1),
207 16, 43, TLV_DB_SCALE_ITEM(-6600, 50, 0),
208 44, 252, TLV_DB_SCALE_ITEM(-5200, 25, 0),
212 * from -72 dB in 1.5 dB steps (6 dB steps really),
213 * from -66 dB in 0.75 dB steps (3 dB steps really),
214 * from -60 dB in 0.5 dB steps (2 dB steps really) and
215 * from -46 dB in 0.25 dB steps
217 static const unsigned int vc_tlv
[] = {
218 TLV_DB_RANGE_HEAD(4),
219 0, 7, TLV_DB_SCALE_ITEM(-7800, 150, 1),
220 8, 15, TLV_DB_SCALE_ITEM(-6600, 75, 0),
221 16, 43, TLV_DB_SCALE_ITEM(-6000, 50, 0),
222 44, 228, TLV_DB_SCALE_ITEM(-4600, 25, 0),
225 /* from 0 to 6 dB in 2 dB steps if SPF mode != flat */
226 static DECLARE_TLV_DB_SCALE(tr_tlv
, 0, 200, 0);
228 /* from 0 to 24 dB in 2 dB steps, if SPF mode == maximum, otherwise cuts
229 * off at 18 dB max) */
230 static DECLARE_TLV_DB_SCALE(bb_tlv
, 0, 200, 0);
232 /* from -63 to 24 dB in 0.5 dB steps (-128...48) */
233 static DECLARE_TLV_DB_SCALE(dec_tlv
, -6400, 50, 1);
235 /* from 0 to 24 dB in 3 dB steps */
236 static DECLARE_TLV_DB_SCALE(pga_tlv
, 0, 300, 0);
238 /* from 0 to 30 dB in 2 dB steps */
239 static DECLARE_TLV_DB_SCALE(vga_tlv
, 0, 200, 0);
241 static const struct snd_kcontrol_new uda1380_snd_controls
[] = {
242 SOC_DOUBLE_TLV("Analog Mixer Volume", UDA1380_AMIX
, 0, 8, 44, 1, amix_tlv
), /* AVCR, AVCL */
243 SOC_DOUBLE_TLV("Master Playback Volume", UDA1380_MVOL
, 0, 8, 252, 1, mvol_tlv
), /* MVCL, MVCR */
244 SOC_SINGLE_TLV("ADC Playback Volume", UDA1380_MIXVOL
, 8, 228, 1, vc_tlv
), /* VC2 */
245 SOC_SINGLE_TLV("PCM Playback Volume", UDA1380_MIXVOL
, 0, 228, 1, vc_tlv
), /* VC1 */
246 SOC_ENUM("Sound Processing Filter", uda1380_spf_enum
), /* M */
247 SOC_DOUBLE_TLV("Tone Control - Treble", UDA1380_MODE
, 4, 12, 3, 0, tr_tlv
), /* TRL, TRR */
248 SOC_DOUBLE_TLV("Tone Control - Bass", UDA1380_MODE
, 0, 8, 15, 0, bb_tlv
), /* BBL, BBR */
249 /**/ SOC_SINGLE("Master Playback Switch", UDA1380_DEEMP
, 14, 1, 1), /* MTM */
250 SOC_SINGLE("ADC Playback Switch", UDA1380_DEEMP
, 11, 1, 1), /* MT2 from decimation filter */
251 SOC_ENUM("ADC Playback De-emphasis", uda1380_deemp_enum
[0]), /* DE2 */
252 SOC_SINGLE("PCM Playback Switch", UDA1380_DEEMP
, 3, 1, 1), /* MT1, from digital data input */
253 SOC_ENUM("PCM Playback De-emphasis", uda1380_deemp_enum
[1]), /* DE1 */
254 SOC_SINGLE("DAC Polarity inverting Switch", UDA1380_MIXER
, 15, 1, 0), /* DA_POL_INV */
255 SOC_ENUM("Noise Shaper", uda1380_sel_ns_enum
), /* SEL_NS */
256 SOC_ENUM("Digital Mixer Signal Control", uda1380_mix_enum
), /* MIX_POS, MIX */
257 SOC_SINGLE("Silence Switch", UDA1380_MIXER
, 7, 1, 0), /* SILENCE, force DAC output to silence */
258 SOC_SINGLE("Silence Detector Switch", UDA1380_MIXER
, 6, 1, 0), /* SDET_ON */
259 SOC_ENUM("Silence Detector Setting", uda1380_sdet_enum
), /* SD_VALUE */
260 SOC_ENUM("Oversampling Input", uda1380_os_enum
), /* OS */
261 SOC_DOUBLE_S8_TLV("ADC Capture Volume", UDA1380_DEC
, -128, 48, dec_tlv
), /* ML_DEC, MR_DEC */
262 /**/ SOC_SINGLE("ADC Capture Switch", UDA1380_PGA
, 15, 1, 1), /* MT_ADC */
263 SOC_DOUBLE_TLV("Line Capture Volume", UDA1380_PGA
, 0, 8, 8, 0, pga_tlv
), /* PGA_GAINCTRLL, PGA_GAINCTRLR */
264 SOC_SINGLE("ADC Polarity inverting Switch", UDA1380_ADC
, 12, 1, 0), /* ADCPOL_INV */
265 SOC_SINGLE_TLV("Mic Capture Volume", UDA1380_ADC
, 8, 15, 0, vga_tlv
), /* VGA_CTRL */
266 SOC_SINGLE("DC Filter Bypass Switch", UDA1380_ADC
, 1, 1, 0), /* SKIP_DCFIL (before decimator) */
267 SOC_SINGLE("DC Filter Enable Switch", UDA1380_ADC
, 0, 1, 0), /* EN_DCFIL (at output of decimator) */
268 SOC_SINGLE("AGC Timing", UDA1380_AGC
, 8, 7, 0), /* TODO: enum, see table 62 */
269 SOC_SINGLE("AGC Target level", UDA1380_AGC
, 2, 3, 1), /* AGC_LEVEL */
270 /* -5.5, -8, -11.5, -14 dBFS */
271 SOC_SINGLE("AGC Switch", UDA1380_AGC
, 0, 1, 0),
275 static const struct snd_kcontrol_new uda1380_input_mux_control
=
276 SOC_DAPM_ENUM("Route", uda1380_input_sel_enum
);
279 static const struct snd_kcontrol_new uda1380_output_mux_control
=
280 SOC_DAPM_ENUM("Route", uda1380_output_sel_enum
);
283 static const struct snd_kcontrol_new uda1380_capture_mux_control
=
284 SOC_DAPM_ENUM("Route", uda1380_capture_sel_enum
);
287 static const struct snd_soc_dapm_widget uda1380_dapm_widgets
[] = {
288 SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM
, 0, 0,
289 &uda1380_input_mux_control
),
290 SND_SOC_DAPM_MUX("Output Mux", SND_SOC_NOPM
, 0, 0,
291 &uda1380_output_mux_control
),
292 SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM
, 0, 0,
293 &uda1380_capture_mux_control
),
294 SND_SOC_DAPM_PGA("Left PGA", UDA1380_PM
, 3, 0, NULL
, 0),
295 SND_SOC_DAPM_PGA("Right PGA", UDA1380_PM
, 1, 0, NULL
, 0),
296 SND_SOC_DAPM_PGA("Mic LNA", UDA1380_PM
, 4, 0, NULL
, 0),
297 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", UDA1380_PM
, 2, 0),
298 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", UDA1380_PM
, 0, 0),
299 SND_SOC_DAPM_INPUT("VINM"),
300 SND_SOC_DAPM_INPUT("VINL"),
301 SND_SOC_DAPM_INPUT("VINR"),
302 SND_SOC_DAPM_MIXER("Analog Mixer", UDA1380_PM
, 6, 0, NULL
, 0),
303 SND_SOC_DAPM_OUTPUT("VOUTLHP"),
304 SND_SOC_DAPM_OUTPUT("VOUTRHP"),
305 SND_SOC_DAPM_OUTPUT("VOUTL"),
306 SND_SOC_DAPM_OUTPUT("VOUTR"),
307 SND_SOC_DAPM_DAC("DAC", "Playback", UDA1380_PM
, 10, 0),
308 SND_SOC_DAPM_PGA("HeadPhone Driver", UDA1380_PM
, 13, 0, NULL
, 0),
311 static const struct snd_soc_dapm_route audio_map
[] = {
314 {"HeadPhone Driver", NULL
, "Output Mux"},
315 {"VOUTR", NULL
, "Output Mux"},
316 {"VOUTL", NULL
, "Output Mux"},
318 {"Analog Mixer", NULL
, "VINR"},
319 {"Analog Mixer", NULL
, "VINL"},
320 {"Analog Mixer", NULL
, "DAC"},
322 {"Output Mux", "DAC", "DAC"},
323 {"Output Mux", "Analog Mixer", "Analog Mixer"},
325 /* {"DAC", "Digital Mixer", "I2S" } */
327 /* headphone driver */
328 {"VOUTLHP", NULL
, "HeadPhone Driver"},
329 {"VOUTRHP", NULL
, "HeadPhone Driver"},
332 {"Left ADC", NULL
, "Input Mux"},
333 {"Input Mux", "Mic", "Mic LNA"},
334 {"Input Mux", "Mic + Line R", "Mic LNA"},
335 {"Input Mux", "Line L", "Left PGA"},
336 {"Input Mux", "Line", "Left PGA"},
339 {"Right ADC", "Mic + Line R", "Right PGA"},
340 {"Right ADC", "Line", "Right PGA"},
343 {"Mic LNA", NULL
, "VINM"},
344 {"Left PGA", NULL
, "VINL"},
345 {"Right PGA", NULL
, "VINR"},
348 static int uda1380_add_widgets(struct snd_soc_codec
*codec
)
350 snd_soc_dapm_new_controls(codec
, uda1380_dapm_widgets
,
351 ARRAY_SIZE(uda1380_dapm_widgets
));
353 snd_soc_dapm_add_routes(codec
, audio_map
, ARRAY_SIZE(audio_map
));
355 snd_soc_dapm_new_widgets(codec
);
359 static int uda1380_set_dai_fmt_both(struct snd_soc_dai
*codec_dai
,
362 struct snd_soc_codec
*codec
= codec_dai
->codec
;
365 /* set up DAI based upon fmt */
366 iface
= uda1380_read_reg_cache(codec
, UDA1380_IFACE
);
367 iface
&= ~(R01_SFORI_MASK
| R01_SIM
| R01_SFORO_MASK
);
369 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
370 case SND_SOC_DAIFMT_I2S
:
371 iface
|= R01_SFORI_I2S
| R01_SFORO_I2S
;
373 case SND_SOC_DAIFMT_LSB
:
374 iface
|= R01_SFORI_LSB16
| R01_SFORO_LSB16
;
376 case SND_SOC_DAIFMT_MSB
:
377 iface
|= R01_SFORI_MSB
| R01_SFORO_MSB
;
380 if ((fmt
& SND_SOC_DAIFMT_MASTER_MASK
) == SND_SOC_DAIFMT_CBM_CFM
)
383 uda1380_write(codec
, UDA1380_IFACE
, iface
);
388 static int uda1380_set_dai_fmt_playback(struct snd_soc_dai
*codec_dai
,
391 struct snd_soc_codec
*codec
= codec_dai
->codec
;
394 /* set up DAI based upon fmt */
395 iface
= uda1380_read_reg_cache(codec
, UDA1380_IFACE
);
396 iface
&= ~R01_SFORI_MASK
;
398 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
399 case SND_SOC_DAIFMT_I2S
:
400 iface
|= R01_SFORI_I2S
;
402 case SND_SOC_DAIFMT_LSB
:
403 iface
|= R01_SFORI_LSB16
;
405 case SND_SOC_DAIFMT_MSB
:
406 iface
|= R01_SFORI_MSB
;
409 uda1380_write(codec
, UDA1380_IFACE
, iface
);
414 static int uda1380_set_dai_fmt_capture(struct snd_soc_dai
*codec_dai
,
417 struct snd_soc_codec
*codec
= codec_dai
->codec
;
420 /* set up DAI based upon fmt */
421 iface
= uda1380_read_reg_cache(codec
, UDA1380_IFACE
);
422 iface
&= ~(R01_SIM
| R01_SFORO_MASK
);
424 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
425 case SND_SOC_DAIFMT_I2S
:
426 iface
|= R01_SFORO_I2S
;
428 case SND_SOC_DAIFMT_LSB
:
429 iface
|= R01_SFORO_LSB16
;
431 case SND_SOC_DAIFMT_MSB
:
432 iface
|= R01_SFORO_MSB
;
435 if ((fmt
& SND_SOC_DAIFMT_MASTER_MASK
) == SND_SOC_DAIFMT_CBM_CFM
)
438 uda1380_write(codec
, UDA1380_IFACE
, iface
);
445 * We can only write the interpolator and decimator registers
446 * when the DAI is being clocked by the CPU DAI. It's up to the
447 * machine and cpu DAI driver to do this before we are called.
449 static int uda1380_pcm_prepare(struct snd_pcm_substream
*substream
,
450 struct snd_soc_dai
*dai
)
452 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
453 struct snd_soc_device
*socdev
= rtd
->socdev
;
454 struct snd_soc_codec
*codec
= socdev
->card
->codec
;
455 int reg
, reg_start
, reg_end
, clk
;
457 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
) {
458 reg_start
= UDA1380_MVOL
;
459 reg_end
= UDA1380_MIXER
;
461 reg_start
= UDA1380_DEC
;
462 reg_end
= UDA1380_AGC
;
465 /* FIXME disable DAC_CLK */
466 clk
= uda1380_read_reg_cache(codec
, UDA1380_CLK
);
467 uda1380_write(codec
, UDA1380_CLK
, clk
& ~R00_DAC_CLK
);
469 for (reg
= reg_start
; reg
<= reg_end
; reg
++) {
470 pr_debug("uda1380: flush reg %x val %x:", reg
,
471 uda1380_read_reg_cache(codec
, reg
));
472 uda1380_write(codec
, reg
, uda1380_read_reg_cache(codec
, reg
));
475 /* FIXME restore DAC_CLK */
476 uda1380_write(codec
, UDA1380_CLK
, clk
);
481 static int uda1380_pcm_hw_params(struct snd_pcm_substream
*substream
,
482 struct snd_pcm_hw_params
*params
,
483 struct snd_soc_dai
*dai
)
485 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
486 struct snd_soc_device
*socdev
= rtd
->socdev
;
487 struct snd_soc_codec
*codec
= socdev
->card
->codec
;
488 u16 clk
= uda1380_read_reg_cache(codec
, UDA1380_CLK
);
490 /* set WSPLL power and divider if running from this clock */
491 if (clk
& R00_DAC_CLK
) {
492 int rate
= params_rate(params
);
493 u16 pm
= uda1380_read_reg_cache(codec
, UDA1380_PM
);
494 clk
&= ~0x3; /* clear SEL_LOOP_DIV */
499 case 12501 ... 25000:
502 case 25001 ... 50000:
505 case 50001 ... 100000:
509 uda1380_write(codec
, UDA1380_PM
, R02_PON_PLL
| pm
);
512 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
513 clk
|= R00_EN_DAC
| R00_EN_INT
;
515 clk
|= R00_EN_ADC
| R00_EN_DEC
;
517 uda1380_write(codec
, UDA1380_CLK
, clk
);
521 static void uda1380_pcm_shutdown(struct snd_pcm_substream
*substream
,
522 struct snd_soc_dai
*dai
)
524 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
525 struct snd_soc_device
*socdev
= rtd
->socdev
;
526 struct snd_soc_codec
*codec
= socdev
->card
->codec
;
527 u16 clk
= uda1380_read_reg_cache(codec
, UDA1380_CLK
);
529 /* shut down WSPLL power if running from this clock */
530 if (clk
& R00_DAC_CLK
) {
531 u16 pm
= uda1380_read_reg_cache(codec
, UDA1380_PM
);
532 uda1380_write(codec
, UDA1380_PM
, ~R02_PON_PLL
& pm
);
535 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
536 clk
&= ~(R00_EN_DAC
| R00_EN_INT
);
538 clk
&= ~(R00_EN_ADC
| R00_EN_DEC
);
540 uda1380_write(codec
, UDA1380_CLK
, clk
);
543 static int uda1380_mute(struct snd_soc_dai
*codec_dai
, int mute
)
545 struct snd_soc_codec
*codec
= codec_dai
->codec
;
546 u16 mute_reg
= uda1380_read_reg_cache(codec
, UDA1380_DEEMP
) & ~R13_MTM
;
548 /* FIXME: mute(codec,0) is called when the magician clock is already
549 * set to WSPLL, but for some unknown reason writing to interpolator
550 * registers works only when clocked by SYSCLK */
551 u16 clk
= uda1380_read_reg_cache(codec
, UDA1380_CLK
);
552 uda1380_write(codec
, UDA1380_CLK
, ~R00_DAC_CLK
& clk
);
554 uda1380_write(codec
, UDA1380_DEEMP
, mute_reg
| R13_MTM
);
556 uda1380_write(codec
, UDA1380_DEEMP
, mute_reg
);
557 uda1380_write(codec
, UDA1380_CLK
, clk
);
561 static int uda1380_set_bias_level(struct snd_soc_codec
*codec
,
562 enum snd_soc_bias_level level
)
564 int pm
= uda1380_read_reg_cache(codec
, UDA1380_PM
);
567 case SND_SOC_BIAS_ON
:
568 case SND_SOC_BIAS_PREPARE
:
569 uda1380_write(codec
, UDA1380_PM
, R02_PON_BIAS
| pm
);
571 case SND_SOC_BIAS_STANDBY
:
572 uda1380_write(codec
, UDA1380_PM
, R02_PON_BIAS
);
574 case SND_SOC_BIAS_OFF
:
575 uda1380_write(codec
, UDA1380_PM
, 0x0);
578 codec
->bias_level
= level
;
582 #define UDA1380_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
583 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
584 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
586 struct snd_soc_dai uda1380_dai
[] = {
590 .stream_name
= "Playback",
593 .rates
= UDA1380_RATES
,
594 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,},
596 .stream_name
= "Capture",
599 .rates
= UDA1380_RATES
,
600 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,},
602 .hw_params
= uda1380_pcm_hw_params
,
603 .shutdown
= uda1380_pcm_shutdown
,
604 .prepare
= uda1380_pcm_prepare
,
605 .digital_mute
= uda1380_mute
,
606 .set_fmt
= uda1380_set_dai_fmt_both
,
609 { /* playback only - dual interface */
612 .stream_name
= "Playback",
615 .rates
= UDA1380_RATES
,
616 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
619 .hw_params
= uda1380_pcm_hw_params
,
620 .shutdown
= uda1380_pcm_shutdown
,
621 .prepare
= uda1380_pcm_prepare
,
622 .digital_mute
= uda1380_mute
,
623 .set_fmt
= uda1380_set_dai_fmt_playback
,
626 { /* capture only - dual interface*/
629 .stream_name
= "Capture",
632 .rates
= UDA1380_RATES
,
633 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
636 .hw_params
= uda1380_pcm_hw_params
,
637 .shutdown
= uda1380_pcm_shutdown
,
638 .prepare
= uda1380_pcm_prepare
,
639 .set_fmt
= uda1380_set_dai_fmt_capture
,
643 EXPORT_SYMBOL_GPL(uda1380_dai
);
645 static int uda1380_suspend(struct platform_device
*pdev
, pm_message_t state
)
647 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
648 struct snd_soc_codec
*codec
= socdev
->card
->codec
;
650 uda1380_set_bias_level(codec
, SND_SOC_BIAS_OFF
);
654 static int uda1380_resume(struct platform_device
*pdev
)
656 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
657 struct snd_soc_codec
*codec
= socdev
->card
->codec
;
660 u16
*cache
= codec
->reg_cache
;
662 /* Sync reg_cache with the hardware */
663 for (i
= 0; i
< ARRAY_SIZE(uda1380_reg
); i
++) {
664 data
[0] = (i
<< 1) | ((cache
[i
] >> 8) & 0x0001);
665 data
[1] = cache
[i
] & 0x00ff;
666 codec
->hw_write(codec
->control_data
, data
, 2);
668 uda1380_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
669 uda1380_set_bias_level(codec
, codec
->suspend_bias_level
);
674 * initialise the UDA1380 driver
675 * register mixer and dsp interfaces with the kernel
677 static int uda1380_init(struct snd_soc_device
*socdev
, int dac_clk
)
679 struct snd_soc_codec
*codec
= socdev
->card
->codec
;
682 codec
->name
= "UDA1380";
683 codec
->owner
= THIS_MODULE
;
684 codec
->read
= uda1380_read_reg_cache
;
685 codec
->write
= uda1380_write
;
686 codec
->set_bias_level
= uda1380_set_bias_level
;
687 codec
->dai
= uda1380_dai
;
688 codec
->num_dai
= ARRAY_SIZE(uda1380_dai
);
689 codec
->reg_cache
= kmemdup(uda1380_reg
, sizeof(uda1380_reg
),
691 if (codec
->reg_cache
== NULL
)
693 codec
->reg_cache_size
= ARRAY_SIZE(uda1380_reg
);
694 codec
->reg_cache_step
= 1;
695 uda1380_reset(codec
);
698 ret
= snd_soc_new_pcms(socdev
, SNDRV_DEFAULT_IDX1
, SNDRV_DEFAULT_STR1
);
700 pr_err("uda1380: failed to create pcms\n");
704 /* power on device */
705 uda1380_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
706 /* set clock input */
708 case UDA1380_DAC_CLK_SYSCLK
:
709 uda1380_write(codec
, UDA1380_CLK
, 0);
711 case UDA1380_DAC_CLK_WSPLL
:
712 uda1380_write(codec
, UDA1380_CLK
, R00_DAC_CLK
);
717 snd_soc_add_controls(codec
, uda1380_snd_controls
,
718 ARRAY_SIZE(uda1380_snd_controls
));
719 uda1380_add_widgets(codec
);
720 ret
= snd_soc_init_card(socdev
);
722 pr_err("uda1380: failed to register card\n");
729 snd_soc_free_pcms(socdev
);
730 snd_soc_dapm_free(socdev
);
732 kfree(codec
->reg_cache
);
736 static struct snd_soc_device
*uda1380_socdev
;
738 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
740 static int uda1380_i2c_probe(struct i2c_client
*i2c
,
741 const struct i2c_device_id
*id
)
743 struct snd_soc_device
*socdev
= uda1380_socdev
;
744 struct uda1380_setup_data
*setup
= socdev
->codec_data
;
745 struct snd_soc_codec
*codec
= socdev
->card
->codec
;
748 i2c_set_clientdata(i2c
, codec
);
749 codec
->control_data
= i2c
;
751 ret
= uda1380_init(socdev
, setup
->dac_clk
);
753 pr_err("uda1380: failed to initialise UDA1380\n");
758 static int uda1380_i2c_remove(struct i2c_client
*client
)
760 struct snd_soc_codec
*codec
= i2c_get_clientdata(client
);
761 kfree(codec
->reg_cache
);
765 static const struct i2c_device_id uda1380_i2c_id
[] = {
769 MODULE_DEVICE_TABLE(i2c
, uda1380_i2c_id
);
771 static struct i2c_driver uda1380_i2c_driver
= {
773 .name
= "UDA1380 I2C Codec",
774 .owner
= THIS_MODULE
,
776 .probe
= uda1380_i2c_probe
,
777 .remove
= uda1380_i2c_remove
,
778 .id_table
= uda1380_i2c_id
,
781 static int uda1380_add_i2c_device(struct platform_device
*pdev
,
782 const struct uda1380_setup_data
*setup
)
784 struct i2c_board_info info
;
785 struct i2c_adapter
*adapter
;
786 struct i2c_client
*client
;
789 ret
= i2c_add_driver(&uda1380_i2c_driver
);
791 dev_err(&pdev
->dev
, "can't add i2c driver\n");
795 memset(&info
, 0, sizeof(struct i2c_board_info
));
796 info
.addr
= setup
->i2c_address
;
797 strlcpy(info
.type
, "uda1380", I2C_NAME_SIZE
);
799 adapter
= i2c_get_adapter(setup
->i2c_bus
);
801 dev_err(&pdev
->dev
, "can't get i2c adapter %d\n",
806 client
= i2c_new_device(adapter
, &info
);
807 i2c_put_adapter(adapter
);
809 dev_err(&pdev
->dev
, "can't add i2c device at 0x%x\n",
810 (unsigned int)info
.addr
);
817 i2c_del_driver(&uda1380_i2c_driver
);
822 static int uda1380_probe(struct platform_device
*pdev
)
824 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
825 struct uda1380_setup_data
*setup
;
826 struct snd_soc_codec
*codec
;
829 pr_info("UDA1380 Audio Codec %s", UDA1380_VERSION
);
831 setup
= socdev
->codec_data
;
832 codec
= kzalloc(sizeof(struct snd_soc_codec
), GFP_KERNEL
);
836 socdev
->card
->codec
= codec
;
837 mutex_init(&codec
->mutex
);
838 INIT_LIST_HEAD(&codec
->dapm_widgets
);
839 INIT_LIST_HEAD(&codec
->dapm_paths
);
841 uda1380_socdev
= socdev
;
844 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
845 if (setup
->i2c_address
) {
846 codec
->hw_write
= (hw_write_t
)i2c_master_send
;
847 ret
= uda1380_add_i2c_device(pdev
, setup
);
856 /* power down chip */
857 static int uda1380_remove(struct platform_device
*pdev
)
859 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
860 struct snd_soc_codec
*codec
= socdev
->card
->codec
;
862 if (codec
->control_data
)
863 uda1380_set_bias_level(codec
, SND_SOC_BIAS_OFF
);
865 snd_soc_free_pcms(socdev
);
866 snd_soc_dapm_free(socdev
);
867 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
868 i2c_unregister_device(codec
->control_data
);
869 i2c_del_driver(&uda1380_i2c_driver
);
876 struct snd_soc_codec_device soc_codec_dev_uda1380
= {
877 .probe
= uda1380_probe
,
878 .remove
= uda1380_remove
,
879 .suspend
= uda1380_suspend
,
880 .resume
= uda1380_resume
,
882 EXPORT_SYMBOL_GPL(soc_codec_dev_uda1380
);
884 static int __init
uda1380_modinit(void)
886 return snd_soc_register_dais(uda1380_dai
, ARRAY_SIZE(uda1380_dai
));
888 module_init(uda1380_modinit
);
890 static void __exit
uda1380_exit(void)
892 snd_soc_unregister_dais(uda1380_dai
, ARRAY_SIZE(uda1380_dai
));
894 module_exit(uda1380_exit
);
896 MODULE_AUTHOR("Giorgio Padrin");
897 MODULE_DESCRIPTION("Audio support for codec Philips UDA1380");
898 MODULE_LICENSE("GPL");