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"
39 #define AUDIO_NAME "uda1380"
42 * uda1380 register cache
44 static const u16 uda1380_reg
[UDA1380_CACHEREGNUM
] = {
45 0x0502, 0x0000, 0x0000, 0x3f3f,
46 0x0202, 0x0000, 0x0000, 0x0000,
47 0x0000, 0x0000, 0x0000, 0x0000,
48 0x0000, 0x0000, 0x0000, 0x0000,
49 0x0000, 0xff00, 0x0000, 0x4800,
50 0x0000, 0x0000, 0x0000, 0x0000,
51 0x0000, 0x0000, 0x0000, 0x0000,
52 0x0000, 0x0000, 0x0000, 0x0000,
53 0x0000, 0x8000, 0x0002, 0x0000,
57 * read uda1380 register cache
59 static inline unsigned int uda1380_read_reg_cache(struct snd_soc_codec
*codec
,
62 u16
*cache
= codec
->reg_cache
;
63 if (reg
== UDA1380_RESET
)
65 if (reg
>= UDA1380_CACHEREGNUM
)
71 * write uda1380 register cache
73 static inline void uda1380_write_reg_cache(struct snd_soc_codec
*codec
,
74 u16 reg
, unsigned int value
)
76 u16
*cache
= codec
->reg_cache
;
77 if (reg
>= UDA1380_CACHEREGNUM
)
83 * write to the UDA1380 register space
85 static int uda1380_write(struct snd_soc_codec
*codec
, unsigned int reg
,
91 * data[0] is register offset
96 data
[1] = (value
& 0xff00) >> 8;
97 data
[2] = value
& 0x00ff;
99 uda1380_write_reg_cache(codec
, reg
, value
);
101 /* the interpolator & decimator regs must only be written when the
102 * codec DAI is active.
104 if (!codec
->active
&& (reg
>= UDA1380_MVOL
))
106 pr_debug("uda1380: hw write %x val %x\n", reg
, value
);
107 if (codec
->hw_write(codec
->control_data
, data
, 3) == 3) {
109 i2c_master_send(codec
->control_data
, data
, 1);
110 i2c_master_recv(codec
->control_data
, data
, 2);
111 val
= (data
[0]<<8) | data
[1];
113 pr_debug("uda1380: READ BACK VAL %x\n",
114 (data
[0]<<8) | data
[1]);
122 #define uda1380_reset(c) uda1380_write(c, UDA1380_RESET, 0)
124 /* declarations of ALSA reg_elem_REAL controls */
125 static const char *uda1380_deemp
[] = {
132 static const char *uda1380_input_sel
[] = {
138 static const char *uda1380_output_sel
[] = {
142 static const char *uda1380_spf_mode
[] = {
148 static const char *uda1380_capture_sel
[] = {
152 static const char *uda1380_sel_ns
[] = {
156 static const char *uda1380_mix_control
[] = {
159 "before sound processing",
160 "after sound processing"
162 static const char *uda1380_sdet_setting
[] = {
168 static const char *uda1380_os_setting
[] = {
170 "double-speed (no mixing)",
171 "quad-speed (no mixing)"
174 static const struct soc_enum uda1380_deemp_enum
[] = {
175 SOC_ENUM_SINGLE(UDA1380_DEEMP
, 8, 5, uda1380_deemp
),
176 SOC_ENUM_SINGLE(UDA1380_DEEMP
, 0, 5, uda1380_deemp
),
178 static const struct soc_enum uda1380_input_sel_enum
=
179 SOC_ENUM_SINGLE(UDA1380_ADC
, 2, 4, uda1380_input_sel
); /* SEL_MIC, SEL_LNA */
180 static const struct soc_enum uda1380_output_sel_enum
=
181 SOC_ENUM_SINGLE(UDA1380_PM
, 7, 2, uda1380_output_sel
); /* R02_EN_AVC */
182 static const struct soc_enum uda1380_spf_enum
=
183 SOC_ENUM_SINGLE(UDA1380_MODE
, 14, 4, uda1380_spf_mode
); /* M */
184 static const struct soc_enum uda1380_capture_sel_enum
=
185 SOC_ENUM_SINGLE(UDA1380_IFACE
, 6, 2, uda1380_capture_sel
); /* SEL_SOURCE */
186 static const struct soc_enum uda1380_sel_ns_enum
=
187 SOC_ENUM_SINGLE(UDA1380_MIXER
, 14, 2, uda1380_sel_ns
); /* SEL_NS */
188 static const struct soc_enum uda1380_mix_enum
=
189 SOC_ENUM_SINGLE(UDA1380_MIXER
, 12, 4, uda1380_mix_control
); /* MIX, MIX_POS */
190 static const struct soc_enum uda1380_sdet_enum
=
191 SOC_ENUM_SINGLE(UDA1380_MIXER
, 4, 4, uda1380_sdet_setting
); /* SD_VALUE */
192 static const struct soc_enum uda1380_os_enum
=
193 SOC_ENUM_SINGLE(UDA1380_MIXER
, 0, 3, uda1380_os_setting
); /* OS */
196 * from -48 dB in 1.5 dB steps (mute instead of -49.5 dB)
198 static DECLARE_TLV_DB_SCALE(amix_tlv
, -4950, 150, 1);
201 * from -78 dB in 1 dB steps (3 dB steps, really. LSB are ignored),
202 * from -66 dB in 0.5 dB steps (2 dB steps, really) and
203 * from -52 dB in 0.25 dB steps
205 static const unsigned int mvol_tlv
[] = {
206 TLV_DB_RANGE_HEAD(3),
207 0, 15, TLV_DB_SCALE_ITEM(-8200, 100, 1),
208 16, 43, TLV_DB_SCALE_ITEM(-6600, 50, 0),
209 44, 252, TLV_DB_SCALE_ITEM(-5200, 25, 0),
213 * from -72 dB in 1.5 dB steps (6 dB steps really),
214 * from -66 dB in 0.75 dB steps (3 dB steps really),
215 * from -60 dB in 0.5 dB steps (2 dB steps really) and
216 * from -46 dB in 0.25 dB steps
218 static const unsigned int vc_tlv
[] = {
219 TLV_DB_RANGE_HEAD(4),
220 0, 7, TLV_DB_SCALE_ITEM(-7800, 150, 1),
221 8, 15, TLV_DB_SCALE_ITEM(-6600, 75, 0),
222 16, 43, TLV_DB_SCALE_ITEM(-6000, 50, 0),
223 44, 228, TLV_DB_SCALE_ITEM(-4600, 25, 0),
226 /* from 0 to 6 dB in 2 dB steps if SPF mode != flat */
227 static DECLARE_TLV_DB_SCALE(tr_tlv
, 0, 200, 0);
229 /* from 0 to 24 dB in 2 dB steps, if SPF mode == maximum, otherwise cuts
230 * off at 18 dB max) */
231 static DECLARE_TLV_DB_SCALE(bb_tlv
, 0, 200, 0);
233 /* from -63 to 24 dB in 0.5 dB steps (-128...48) */
234 static DECLARE_TLV_DB_SCALE(dec_tlv
, -6400, 50, 1);
236 /* from 0 to 24 dB in 3 dB steps */
237 static DECLARE_TLV_DB_SCALE(pga_tlv
, 0, 300, 0);
239 /* from 0 to 30 dB in 2 dB steps */
240 static DECLARE_TLV_DB_SCALE(vga_tlv
, 0, 200, 0);
242 static const struct snd_kcontrol_new uda1380_snd_controls
[] = {
243 SOC_DOUBLE_TLV("Analog Mixer Volume", UDA1380_AMIX
, 0, 8, 44, 1, amix_tlv
), /* AVCR, AVCL */
244 SOC_DOUBLE_TLV("Master Playback Volume", UDA1380_MVOL
, 0, 8, 252, 1, mvol_tlv
), /* MVCL, MVCR */
245 SOC_SINGLE_TLV("ADC Playback Volume", UDA1380_MIXVOL
, 8, 228, 1, vc_tlv
), /* VC2 */
246 SOC_SINGLE_TLV("PCM Playback Volume", UDA1380_MIXVOL
, 0, 228, 1, vc_tlv
), /* VC1 */
247 SOC_ENUM("Sound Processing Filter", uda1380_spf_enum
), /* M */
248 SOC_DOUBLE_TLV("Tone Control - Treble", UDA1380_MODE
, 4, 12, 3, 0, tr_tlv
), /* TRL, TRR */
249 SOC_DOUBLE_TLV("Tone Control - Bass", UDA1380_MODE
, 0, 8, 15, 0, bb_tlv
), /* BBL, BBR */
250 /**/ SOC_SINGLE("Master Playback Switch", UDA1380_DEEMP
, 14, 1, 1), /* MTM */
251 SOC_SINGLE("ADC Playback Switch", UDA1380_DEEMP
, 11, 1, 1), /* MT2 from decimation filter */
252 SOC_ENUM("ADC Playback De-emphasis", uda1380_deemp_enum
[0]), /* DE2 */
253 SOC_SINGLE("PCM Playback Switch", UDA1380_DEEMP
, 3, 1, 1), /* MT1, from digital data input */
254 SOC_ENUM("PCM Playback De-emphasis", uda1380_deemp_enum
[1]), /* DE1 */
255 SOC_SINGLE("DAC Polarity inverting Switch", UDA1380_MIXER
, 15, 1, 0), /* DA_POL_INV */
256 SOC_ENUM("Noise Shaper", uda1380_sel_ns_enum
), /* SEL_NS */
257 SOC_ENUM("Digital Mixer Signal Control", uda1380_mix_enum
), /* MIX_POS, MIX */
258 SOC_SINGLE("Silence Switch", UDA1380_MIXER
, 7, 1, 0), /* SILENCE, force DAC output to silence */
259 SOC_SINGLE("Silence Detector Switch", UDA1380_MIXER
, 6, 1, 0), /* SDET_ON */
260 SOC_ENUM("Silence Detector Setting", uda1380_sdet_enum
), /* SD_VALUE */
261 SOC_ENUM("Oversampling Input", uda1380_os_enum
), /* OS */
262 SOC_DOUBLE_S8_TLV("ADC Capture Volume", UDA1380_DEC
, -128, 48, dec_tlv
), /* ML_DEC, MR_DEC */
263 /**/ SOC_SINGLE("ADC Capture Switch", UDA1380_PGA
, 15, 1, 1), /* MT_ADC */
264 SOC_DOUBLE_TLV("Line Capture Volume", UDA1380_PGA
, 0, 8, 8, 0, pga_tlv
), /* PGA_GAINCTRLL, PGA_GAINCTRLR */
265 SOC_SINGLE("ADC Polarity inverting Switch", UDA1380_ADC
, 12, 1, 0), /* ADCPOL_INV */
266 SOC_SINGLE_TLV("Mic Capture Volume", UDA1380_ADC
, 8, 15, 0, vga_tlv
), /* VGA_CTRL */
267 SOC_SINGLE("DC Filter Bypass Switch", UDA1380_ADC
, 1, 1, 0), /* SKIP_DCFIL (before decimator) */
268 SOC_SINGLE("DC Filter Enable Switch", UDA1380_ADC
, 0, 1, 0), /* EN_DCFIL (at output of decimator) */
269 SOC_SINGLE("AGC Timing", UDA1380_AGC
, 8, 7, 0), /* TODO: enum, see table 62 */
270 SOC_SINGLE("AGC Target level", UDA1380_AGC
, 2, 3, 1), /* AGC_LEVEL */
271 /* -5.5, -8, -11.5, -14 dBFS */
272 SOC_SINGLE("AGC Switch", UDA1380_AGC
, 0, 1, 0),
275 /* add non dapm controls */
276 static int uda1380_add_controls(struct snd_soc_codec
*codec
)
280 for (i
= 0; i
< ARRAY_SIZE(uda1380_snd_controls
); i
++) {
281 err
= snd_ctl_add(codec
->card
,
282 snd_soc_cnew(&uda1380_snd_controls
[i
], codec
, NULL
));
291 static const struct snd_kcontrol_new uda1380_input_mux_control
=
292 SOC_DAPM_ENUM("Route", uda1380_input_sel_enum
);
295 static const struct snd_kcontrol_new uda1380_output_mux_control
=
296 SOC_DAPM_ENUM("Route", uda1380_output_sel_enum
);
299 static const struct snd_kcontrol_new uda1380_capture_mux_control
=
300 SOC_DAPM_ENUM("Route", uda1380_capture_sel_enum
);
303 static const struct snd_soc_dapm_widget uda1380_dapm_widgets
[] = {
304 SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM
, 0, 0,
305 &uda1380_input_mux_control
),
306 SND_SOC_DAPM_MUX("Output Mux", SND_SOC_NOPM
, 0, 0,
307 &uda1380_output_mux_control
),
308 SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM
, 0, 0,
309 &uda1380_capture_mux_control
),
310 SND_SOC_DAPM_PGA("Left PGA", UDA1380_PM
, 3, 0, NULL
, 0),
311 SND_SOC_DAPM_PGA("Right PGA", UDA1380_PM
, 1, 0, NULL
, 0),
312 SND_SOC_DAPM_PGA("Mic LNA", UDA1380_PM
, 4, 0, NULL
, 0),
313 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", UDA1380_PM
, 2, 0),
314 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", UDA1380_PM
, 0, 0),
315 SND_SOC_DAPM_INPUT("VINM"),
316 SND_SOC_DAPM_INPUT("VINL"),
317 SND_SOC_DAPM_INPUT("VINR"),
318 SND_SOC_DAPM_MIXER("Analog Mixer", UDA1380_PM
, 6, 0, NULL
, 0),
319 SND_SOC_DAPM_OUTPUT("VOUTLHP"),
320 SND_SOC_DAPM_OUTPUT("VOUTRHP"),
321 SND_SOC_DAPM_OUTPUT("VOUTL"),
322 SND_SOC_DAPM_OUTPUT("VOUTR"),
323 SND_SOC_DAPM_DAC("DAC", "Playback", UDA1380_PM
, 10, 0),
324 SND_SOC_DAPM_PGA("HeadPhone Driver", UDA1380_PM
, 13, 0, NULL
, 0),
327 static const struct snd_soc_dapm_route audio_map
[] = {
330 {"HeadPhone Driver", NULL
, "Output Mux"},
331 {"VOUTR", NULL
, "Output Mux"},
332 {"VOUTL", NULL
, "Output Mux"},
334 {"Analog Mixer", NULL
, "VINR"},
335 {"Analog Mixer", NULL
, "VINL"},
336 {"Analog Mixer", NULL
, "DAC"},
338 {"Output Mux", "DAC", "DAC"},
339 {"Output Mux", "Analog Mixer", "Analog Mixer"},
341 /* {"DAC", "Digital Mixer", "I2S" } */
343 /* headphone driver */
344 {"VOUTLHP", NULL
, "HeadPhone Driver"},
345 {"VOUTRHP", NULL
, "HeadPhone Driver"},
348 {"Left ADC", NULL
, "Input Mux"},
349 {"Input Mux", "Mic", "Mic LNA"},
350 {"Input Mux", "Mic + Line R", "Mic LNA"},
351 {"Input Mux", "Line L", "Left PGA"},
352 {"Input Mux", "Line", "Left PGA"},
355 {"Right ADC", "Mic + Line R", "Right PGA"},
356 {"Right ADC", "Line", "Right PGA"},
359 {"Mic LNA", NULL
, "VINM"},
360 {"Left PGA", NULL
, "VINL"},
361 {"Right PGA", NULL
, "VINR"},
364 static int uda1380_add_widgets(struct snd_soc_codec
*codec
)
366 snd_soc_dapm_new_controls(codec
, uda1380_dapm_widgets
,
367 ARRAY_SIZE(uda1380_dapm_widgets
));
369 snd_soc_dapm_add_routes(codec
, audio_map
, ARRAY_SIZE(audio_map
));
371 snd_soc_dapm_new_widgets(codec
);
375 static int uda1380_set_dai_fmt(struct snd_soc_dai
*codec_dai
,
378 struct snd_soc_codec
*codec
= codec_dai
->codec
;
381 /* set up DAI based upon fmt */
382 iface
= uda1380_read_reg_cache(codec
, UDA1380_IFACE
);
383 iface
&= ~(R01_SFORI_MASK
| R01_SIM
| R01_SFORO_MASK
);
385 /* FIXME: how to select I2S for DATAO and MSB for DATAI correctly? */
386 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
387 case SND_SOC_DAIFMT_I2S
:
388 iface
|= R01_SFORI_I2S
| R01_SFORO_I2S
;
390 case SND_SOC_DAIFMT_LSB
:
391 iface
|= R01_SFORI_LSB16
| R01_SFORO_I2S
;
393 case SND_SOC_DAIFMT_MSB
:
394 iface
|= R01_SFORI_MSB
| R01_SFORO_I2S
;
397 if ((fmt
& SND_SOC_DAIFMT_MASTER_MASK
) == SND_SOC_DAIFMT_CBM_CFM
)
400 uda1380_write(codec
, UDA1380_IFACE
, iface
);
407 * We can only write the interpolator and decimator registers
408 * when the DAI is being clocked by the CPU DAI. It's up to the
409 * machine and cpu DAI driver to do this before we are called.
411 static int uda1380_pcm_prepare(struct snd_pcm_substream
*substream
)
413 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
414 struct snd_soc_device
*socdev
= rtd
->socdev
;
415 struct snd_soc_codec
*codec
= socdev
->codec
;
416 int reg
, reg_start
, reg_end
, clk
;
418 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
) {
419 reg_start
= UDA1380_MVOL
;
420 reg_end
= UDA1380_MIXER
;
422 reg_start
= UDA1380_DEC
;
423 reg_end
= UDA1380_AGC
;
426 /* FIXME disable DAC_CLK */
427 clk
= uda1380_read_reg_cache(codec
, UDA1380_CLK
);
428 uda1380_write(codec
, UDA1380_CLK
, clk
& ~R00_DAC_CLK
);
430 for (reg
= reg_start
; reg
<= reg_end
; reg
++) {
431 pr_debug("uda1380: flush reg %x val %x:", reg
,
432 uda1380_read_reg_cache(codec
, reg
));
433 uda1380_write(codec
, reg
, uda1380_read_reg_cache(codec
, reg
));
436 /* FIXME enable DAC_CLK */
437 uda1380_write(codec
, UDA1380_CLK
, clk
| R00_DAC_CLK
);
442 static int uda1380_pcm_hw_params(struct snd_pcm_substream
*substream
,
443 struct snd_pcm_hw_params
*params
)
445 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
446 struct snd_soc_device
*socdev
= rtd
->socdev
;
447 struct snd_soc_codec
*codec
= socdev
->codec
;
448 u16 clk
= uda1380_read_reg_cache(codec
, UDA1380_CLK
);
450 /* set WSPLL power and divider if running from this clock */
451 if (clk
& R00_DAC_CLK
) {
452 int rate
= params_rate(params
);
453 u16 pm
= uda1380_read_reg_cache(codec
, UDA1380_PM
);
454 clk
&= ~0x3; /* clear SEL_LOOP_DIV */
459 case 12501 ... 25000:
462 case 25001 ... 50000:
465 case 50001 ... 100000:
469 uda1380_write(codec
, UDA1380_PM
, R02_PON_PLL
| pm
);
472 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
473 clk
|= R00_EN_DAC
| R00_EN_INT
;
475 clk
|= R00_EN_ADC
| R00_EN_DEC
;
477 uda1380_write(codec
, UDA1380_CLK
, clk
);
481 static void uda1380_pcm_shutdown(struct snd_pcm_substream
*substream
)
483 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
484 struct snd_soc_device
*socdev
= rtd
->socdev
;
485 struct snd_soc_codec
*codec
= socdev
->codec
;
486 u16 clk
= uda1380_read_reg_cache(codec
, UDA1380_CLK
);
488 /* shut down WSPLL power if running from this clock */
489 if (clk
& R00_DAC_CLK
) {
490 u16 pm
= uda1380_read_reg_cache(codec
, UDA1380_PM
);
491 uda1380_write(codec
, UDA1380_PM
, ~R02_PON_PLL
& pm
);
494 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
495 clk
&= ~(R00_EN_DAC
| R00_EN_INT
);
497 clk
&= ~(R00_EN_ADC
| R00_EN_DEC
);
499 uda1380_write(codec
, UDA1380_CLK
, clk
);
502 static int uda1380_mute(struct snd_soc_dai
*codec_dai
, int mute
)
504 struct snd_soc_codec
*codec
= codec_dai
->codec
;
505 u16 mute_reg
= uda1380_read_reg_cache(codec
, UDA1380_DEEMP
) & ~R13_MTM
;
507 /* FIXME: mute(codec,0) is called when the magician clock is already
508 * set to WSPLL, but for some unknown reason writing to interpolator
509 * registers works only when clocked by SYSCLK */
510 u16 clk
= uda1380_read_reg_cache(codec
, UDA1380_CLK
);
511 uda1380_write(codec
, UDA1380_CLK
, ~R00_DAC_CLK
& clk
);
513 uda1380_write(codec
, UDA1380_DEEMP
, mute_reg
| R13_MTM
);
515 uda1380_write(codec
, UDA1380_DEEMP
, mute_reg
);
516 uda1380_write(codec
, UDA1380_CLK
, clk
);
520 static int uda1380_set_bias_level(struct snd_soc_codec
*codec
,
521 enum snd_soc_bias_level level
)
523 int pm
= uda1380_read_reg_cache(codec
, UDA1380_PM
);
526 case SND_SOC_BIAS_ON
:
527 case SND_SOC_BIAS_PREPARE
:
528 uda1380_write(codec
, UDA1380_PM
, R02_PON_BIAS
| pm
);
530 case SND_SOC_BIAS_STANDBY
:
531 uda1380_write(codec
, UDA1380_PM
, R02_PON_BIAS
);
533 case SND_SOC_BIAS_OFF
:
534 uda1380_write(codec
, UDA1380_PM
, 0x0);
537 codec
->bias_level
= level
;
541 #define UDA1380_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
542 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
543 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
545 struct snd_soc_dai uda1380_dai
[] = {
549 .stream_name
= "Playback",
552 .rates
= UDA1380_RATES
,
553 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,},
555 .stream_name
= "Capture",
558 .rates
= UDA1380_RATES
,
559 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,},
561 .hw_params
= uda1380_pcm_hw_params
,
562 .shutdown
= uda1380_pcm_shutdown
,
563 .prepare
= uda1380_pcm_prepare
,
566 .digital_mute
= uda1380_mute
,
567 .set_fmt
= uda1380_set_dai_fmt
,
570 { /* playback only - dual interface */
573 .stream_name
= "Playback",
576 .rates
= UDA1380_RATES
,
577 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
580 .hw_params
= uda1380_pcm_hw_params
,
581 .shutdown
= uda1380_pcm_shutdown
,
582 .prepare
= uda1380_pcm_prepare
,
585 .digital_mute
= uda1380_mute
,
586 .set_fmt
= uda1380_set_dai_fmt
,
589 { /* capture only - dual interface*/
592 .stream_name
= "Capture",
595 .rates
= UDA1380_RATES
,
596 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
599 .hw_params
= uda1380_pcm_hw_params
,
600 .shutdown
= uda1380_pcm_shutdown
,
601 .prepare
= uda1380_pcm_prepare
,
604 .set_fmt
= uda1380_set_dai_fmt
,
608 EXPORT_SYMBOL_GPL(uda1380_dai
);
610 static int uda1380_suspend(struct platform_device
*pdev
, pm_message_t state
)
612 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
613 struct snd_soc_codec
*codec
= socdev
->codec
;
615 uda1380_set_bias_level(codec
, SND_SOC_BIAS_OFF
);
619 static int uda1380_resume(struct platform_device
*pdev
)
621 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
622 struct snd_soc_codec
*codec
= socdev
->codec
;
625 u16
*cache
= codec
->reg_cache
;
627 /* Sync reg_cache with the hardware */
628 for (i
= 0; i
< ARRAY_SIZE(uda1380_reg
); i
++) {
629 data
[0] = (i
<< 1) | ((cache
[i
] >> 8) & 0x0001);
630 data
[1] = cache
[i
] & 0x00ff;
631 codec
->hw_write(codec
->control_data
, data
, 2);
633 uda1380_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
634 uda1380_set_bias_level(codec
, codec
->suspend_bias_level
);
639 * initialise the UDA1380 driver
640 * register mixer and dsp interfaces with the kernel
642 static int uda1380_init(struct snd_soc_device
*socdev
, int dac_clk
)
644 struct snd_soc_codec
*codec
= socdev
->codec
;
647 codec
->name
= "UDA1380";
648 codec
->owner
= THIS_MODULE
;
649 codec
->read
= uda1380_read_reg_cache
;
650 codec
->write
= uda1380_write
;
651 codec
->set_bias_level
= uda1380_set_bias_level
;
652 codec
->dai
= uda1380_dai
;
653 codec
->num_dai
= ARRAY_SIZE(uda1380_dai
);
654 codec
->reg_cache
= kmemdup(uda1380_reg
, sizeof(uda1380_reg
),
656 if (codec
->reg_cache
== NULL
)
658 codec
->reg_cache_size
= ARRAY_SIZE(uda1380_reg
);
659 codec
->reg_cache_step
= 1;
660 uda1380_reset(codec
);
663 ret
= snd_soc_new_pcms(socdev
, SNDRV_DEFAULT_IDX1
, SNDRV_DEFAULT_STR1
);
665 pr_err("uda1380: failed to create pcms\n");
669 /* power on device */
670 uda1380_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
671 /* set clock input */
673 case UDA1380_DAC_CLK_SYSCLK
:
674 uda1380_write(codec
, UDA1380_CLK
, 0);
676 case UDA1380_DAC_CLK_WSPLL
:
677 uda1380_write(codec
, UDA1380_CLK
, R00_DAC_CLK
);
682 uda1380_add_controls(codec
);
683 uda1380_add_widgets(codec
);
684 ret
= snd_soc_register_card(socdev
);
686 pr_err("uda1380: failed to register card\n");
693 snd_soc_free_pcms(socdev
);
694 snd_soc_dapm_free(socdev
);
696 kfree(codec
->reg_cache
);
700 static struct snd_soc_device
*uda1380_socdev
;
702 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
704 static int uda1380_i2c_probe(struct i2c_client
*i2c
,
705 const struct i2c_device_id
*id
)
707 struct snd_soc_device
*socdev
= uda1380_socdev
;
708 struct uda1380_setup_data
*setup
= socdev
->codec_data
;
709 struct snd_soc_codec
*codec
= socdev
->codec
;
712 i2c_set_clientdata(i2c
, codec
);
713 codec
->control_data
= i2c
;
715 ret
= uda1380_init(socdev
, setup
->dac_clk
);
717 pr_err("uda1380: failed to initialise UDA1380\n");
722 static int uda1380_i2c_remove(struct i2c_client
*client
)
724 struct snd_soc_codec
*codec
= i2c_get_clientdata(client
);
725 kfree(codec
->reg_cache
);
729 static const struct i2c_device_id uda1380_i2c_id
[] = {
733 MODULE_DEVICE_TABLE(i2c
, uda1380_i2c_id
);
735 static struct i2c_driver uda1380_i2c_driver
= {
737 .name
= "UDA1380 I2C Codec",
738 .owner
= THIS_MODULE
,
740 .probe
= uda1380_i2c_probe
,
741 .remove
= uda1380_i2c_remove
,
742 .id_table
= uda1380_i2c_id
,
745 static int uda1380_add_i2c_device(struct platform_device
*pdev
,
746 const struct uda1380_setup_data
*setup
)
748 struct i2c_board_info info
;
749 struct i2c_adapter
*adapter
;
750 struct i2c_client
*client
;
753 ret
= i2c_add_driver(&uda1380_i2c_driver
);
755 dev_err(&pdev
->dev
, "can't add i2c driver\n");
759 memset(&info
, 0, sizeof(struct i2c_board_info
));
760 info
.addr
= setup
->i2c_address
;
761 strlcpy(info
.type
, "uda1380", I2C_NAME_SIZE
);
763 adapter
= i2c_get_adapter(setup
->i2c_bus
);
765 dev_err(&pdev
->dev
, "can't get i2c adapter %d\n",
770 client
= i2c_new_device(adapter
, &info
);
771 i2c_put_adapter(adapter
);
773 dev_err(&pdev
->dev
, "can't add i2c device at 0x%x\n",
774 (unsigned int)info
.addr
);
781 i2c_del_driver(&uda1380_i2c_driver
);
786 static int uda1380_probe(struct platform_device
*pdev
)
788 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
789 struct uda1380_setup_data
*setup
;
790 struct snd_soc_codec
*codec
;
793 pr_info("UDA1380 Audio Codec %s", UDA1380_VERSION
);
795 setup
= socdev
->codec_data
;
796 codec
= kzalloc(sizeof(struct snd_soc_codec
), GFP_KERNEL
);
800 socdev
->codec
= codec
;
801 mutex_init(&codec
->mutex
);
802 INIT_LIST_HEAD(&codec
->dapm_widgets
);
803 INIT_LIST_HEAD(&codec
->dapm_paths
);
805 uda1380_socdev
= socdev
;
808 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
809 if (setup
->i2c_address
) {
810 codec
->hw_write
= (hw_write_t
)i2c_master_send
;
811 ret
= uda1380_add_i2c_device(pdev
, setup
);
820 /* power down chip */
821 static int uda1380_remove(struct platform_device
*pdev
)
823 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
824 struct snd_soc_codec
*codec
= socdev
->codec
;
826 if (codec
->control_data
)
827 uda1380_set_bias_level(codec
, SND_SOC_BIAS_OFF
);
829 snd_soc_free_pcms(socdev
);
830 snd_soc_dapm_free(socdev
);
831 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
832 i2c_unregister_device(codec
->control_data
);
833 i2c_del_driver(&uda1380_i2c_driver
);
840 struct snd_soc_codec_device soc_codec_dev_uda1380
= {
841 .probe
= uda1380_probe
,
842 .remove
= uda1380_remove
,
843 .suspend
= uda1380_suspend
,
844 .resume
= uda1380_resume
,
846 EXPORT_SYMBOL_GPL(soc_codec_dev_uda1380
);
848 MODULE_AUTHOR("Giorgio Padrin");
849 MODULE_DESCRIPTION("Audio support for codec Philips UDA1380");
850 MODULE_LICENSE("GPL");