2 * Driver of Inno codec for rk3036 by Rockchip Inc.
4 * Author: Rockchip Inc.
5 * Author: Zheng ShunQian<zhengsq@rock-chips.com>
10 #include <sound/soc-dapm.h>
11 #include <sound/soc-dai.h>
12 #include <sound/pcm.h>
13 #include <sound/pcm_params.h>
15 #include <linux/platform_device.h>
17 #include <linux/clk.h>
18 #include <linux/regmap.h>
19 #include <linux/device.h>
20 #include <linux/mfd/syscon.h>
21 #include <linux/module.h>
24 #include "inno_rk3036.h"
26 struct rk3036_codec_priv
{
29 struct regmap
*regmap
;
33 static const DECLARE_TLV_DB_MINMAX(rk3036_codec_hp_tlv
, -39, 0);
35 static int rk3036_codec_antipop_info(struct snd_kcontrol
*kcontrol
,
36 struct snd_ctl_elem_info
*uinfo
)
38 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
40 uinfo
->value
.integer
.min
= 0;
41 uinfo
->value
.integer
.max
= 1;
46 static int rk3036_codec_antipop_get(struct snd_kcontrol
*kcontrol
,
47 struct snd_ctl_elem_value
*ucontrol
)
49 struct snd_soc_component
*component
= snd_kcontrol_chip(kcontrol
);
52 ret
= snd_soc_component_read(component
, INNO_R09
, ®val
);
55 val
= ((regval
>> INNO_R09_HPL_ANITPOP_SHIFT
) &
56 INNO_R09_HP_ANTIPOP_MSK
) == INNO_R09_HP_ANTIPOP_ON
;
57 ucontrol
->value
.integer
.value
[0] = val
;
59 val
= ((regval
>> INNO_R09_HPR_ANITPOP_SHIFT
) &
60 INNO_R09_HP_ANTIPOP_MSK
) == INNO_R09_HP_ANTIPOP_ON
;
61 ucontrol
->value
.integer
.value
[1] = val
;
66 static int rk3036_codec_antipop_put(struct snd_kcontrol
*kcontrol
,
67 struct snd_ctl_elem_value
*ucontrol
)
69 struct snd_soc_component
*component
= snd_kcontrol_chip(kcontrol
);
72 val
= (ucontrol
->value
.integer
.value
[0] ?
73 INNO_R09_HP_ANTIPOP_ON
: INNO_R09_HP_ANTIPOP_OFF
) <<
74 INNO_R09_HPL_ANITPOP_SHIFT
;
75 val
|= (ucontrol
->value
.integer
.value
[1] ?
76 INNO_R09_HP_ANTIPOP_ON
: INNO_R09_HP_ANTIPOP_OFF
) <<
77 INNO_R09_HPR_ANITPOP_SHIFT
;
79 regmsk
= INNO_R09_HP_ANTIPOP_MSK
<< INNO_R09_HPL_ANITPOP_SHIFT
|
80 INNO_R09_HP_ANTIPOP_MSK
<< INNO_R09_HPR_ANITPOP_SHIFT
;
82 ret
= snd_soc_component_update_bits(component
, INNO_R09
,
90 #define SOC_RK3036_CODEC_ANTIPOP_DECL(xname) \
91 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
92 .info = rk3036_codec_antipop_info, .get = rk3036_codec_antipop_get, \
93 .put = rk3036_codec_antipop_put, }
95 static const struct snd_kcontrol_new rk3036_codec_dapm_controls
[] = {
96 SOC_DOUBLE_R_RANGE_TLV("Headphone Volume", INNO_R07
, INNO_R08
,
97 INNO_HP_GAIN_SHIFT
, INNO_HP_GAIN_N39DB
,
98 INNO_HP_GAIN_0DB
, 0, rk3036_codec_hp_tlv
),
99 SOC_DOUBLE("Zero Cross Switch", INNO_R06
, INNO_R06_VOUTL_CZ_SHIFT
,
100 INNO_R06_VOUTR_CZ_SHIFT
, 1, 0),
101 SOC_DOUBLE("Headphone Switch", INNO_R09
, INNO_R09_HPL_MUTE_SHIFT
,
102 INNO_R09_HPR_MUTE_SHIFT
, 1, 0),
103 SOC_RK3036_CODEC_ANTIPOP_DECL("Anti-pop Switch"),
106 static const struct snd_kcontrol_new rk3036_codec_hpl_mixer_controls
[] = {
107 SOC_DAPM_SINGLE("DAC Left Out Switch", INNO_R09
,
108 INNO_R09_DACL_SWITCH_SHIFT
, 1, 0),
111 static const struct snd_kcontrol_new rk3036_codec_hpr_mixer_controls
[] = {
112 SOC_DAPM_SINGLE("DAC Right Out Switch", INNO_R09
,
113 INNO_R09_DACR_SWITCH_SHIFT
, 1, 0),
116 static const struct snd_kcontrol_new rk3036_codec_hpl_switch_controls
[] = {
117 SOC_DAPM_SINGLE("HP Left Out Switch", INNO_R05
,
118 INNO_R05_HPL_WORK_SHIFT
, 1, 0),
121 static const struct snd_kcontrol_new rk3036_codec_hpr_switch_controls
[] = {
122 SOC_DAPM_SINGLE("HP Right Out Switch", INNO_R05
,
123 INNO_R05_HPR_WORK_SHIFT
, 1, 0),
126 static const struct snd_soc_dapm_widget rk3036_codec_dapm_widgets
[] = {
127 SND_SOC_DAPM_SUPPLY_S("DAC PWR", 1, INNO_R06
,
128 INNO_R06_DAC_EN_SHIFT
, 0, NULL
, 0),
129 SND_SOC_DAPM_SUPPLY_S("DACL VREF", 2, INNO_R04
,
130 INNO_R04_DACL_VREF_SHIFT
, 0, NULL
, 0),
131 SND_SOC_DAPM_SUPPLY_S("DACR VREF", 2, INNO_R04
,
132 INNO_R04_DACR_VREF_SHIFT
, 0, NULL
, 0),
133 SND_SOC_DAPM_SUPPLY_S("DACL HiLo VREF", 3, INNO_R06
,
134 INNO_R06_DACL_HILO_VREF_SHIFT
, 0, NULL
, 0),
135 SND_SOC_DAPM_SUPPLY_S("DACR HiLo VREF", 3, INNO_R06
,
136 INNO_R06_DACR_HILO_VREF_SHIFT
, 0, NULL
, 0),
137 SND_SOC_DAPM_SUPPLY_S("DACR CLK", 3, INNO_R04
,
138 INNO_R04_DACR_CLK_SHIFT
, 0, NULL
, 0),
139 SND_SOC_DAPM_SUPPLY_S("DACL CLK", 3, INNO_R04
,
140 INNO_R04_DACL_CLK_SHIFT
, 0, NULL
, 0),
142 SND_SOC_DAPM_DAC("DACL", "Left Playback", INNO_R04
,
143 INNO_R04_DACL_SW_SHIFT
, 0),
144 SND_SOC_DAPM_DAC("DACR", "Right Playback", INNO_R04
,
145 INNO_R04_DACR_SW_SHIFT
, 0),
147 SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM
, 0, 0,
148 rk3036_codec_hpl_mixer_controls
,
149 ARRAY_SIZE(rk3036_codec_hpl_mixer_controls
)),
150 SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM
, 0, 0,
151 rk3036_codec_hpr_mixer_controls
,
152 ARRAY_SIZE(rk3036_codec_hpr_mixer_controls
)),
154 SND_SOC_DAPM_PGA("HP Left Out", INNO_R05
,
155 INNO_R05_HPL_EN_SHIFT
, 0, NULL
, 0),
156 SND_SOC_DAPM_PGA("HP Right Out", INNO_R05
,
157 INNO_R05_HPR_EN_SHIFT
, 0, NULL
, 0),
159 SND_SOC_DAPM_MIXER("HP Left Switch", SND_SOC_NOPM
, 0, 0,
160 rk3036_codec_hpl_switch_controls
,
161 ARRAY_SIZE(rk3036_codec_hpl_switch_controls
)),
162 SND_SOC_DAPM_MIXER("HP Right Switch", SND_SOC_NOPM
, 0, 0,
163 rk3036_codec_hpr_switch_controls
,
164 ARRAY_SIZE(rk3036_codec_hpr_switch_controls
)),
166 SND_SOC_DAPM_OUTPUT("HPL"),
167 SND_SOC_DAPM_OUTPUT("HPR"),
170 static const struct snd_soc_dapm_route rk3036_codec_dapm_routes
[] = {
171 {"DACL VREF", NULL
, "DAC PWR"},
172 {"DACR VREF", NULL
, "DAC PWR"},
173 {"DACL HiLo VREF", NULL
, "DAC PWR"},
174 {"DACR HiLo VREF", NULL
, "DAC PWR"},
175 {"DACL CLK", NULL
, "DAC PWR"},
176 {"DACR CLK", NULL
, "DAC PWR"},
178 {"DACL", NULL
, "DACL VREF"},
179 {"DACL", NULL
, "DACL HiLo VREF"},
180 {"DACL", NULL
, "DACL CLK"},
181 {"DACR", NULL
, "DACR VREF"},
182 {"DACR", NULL
, "DACR HiLo VREF"},
183 {"DACR", NULL
, "DACR CLK"},
185 {"Left Headphone Mixer", "DAC Left Out Switch", "DACL"},
186 {"Right Headphone Mixer", "DAC Right Out Switch", "DACR"},
187 {"HP Left Out", NULL
, "Left Headphone Mixer"},
188 {"HP Right Out", NULL
, "Right Headphone Mixer"},
190 {"HP Left Switch", "HP Left Out Switch", "HP Left Out"},
191 {"HP Right Switch", "HP Right Out Switch", "HP Right Out"},
193 {"HPL", NULL
, "HP Left Switch"},
194 {"HPR", NULL
, "HP Right Switch"},
197 static int rk3036_codec_dai_set_fmt(struct snd_soc_dai
*dai
, unsigned int fmt
)
199 struct snd_soc_codec
*codec
= dai
->codec
;
200 unsigned int reg01_val
= 0, reg02_val
= 0, reg03_val
= 0;
202 dev_dbg(codec
->dev
, "rk3036_codec dai set fmt : %08x\n", fmt
);
204 switch (fmt
& SND_SOC_DAIFMT_MASTER_MASK
) {
205 case SND_SOC_DAIFMT_CBS_CFS
:
206 reg01_val
|= INNO_R01_PINDIR_IN_SLAVE
|
207 INNO_R01_I2SMODE_SLAVE
;
209 case SND_SOC_DAIFMT_CBM_CFM
:
210 reg01_val
|= INNO_R01_PINDIR_OUT_MASTER
|
211 INNO_R01_I2SMODE_MASTER
;
214 dev_err(codec
->dev
, "invalid fmt\n");
218 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
219 case SND_SOC_DAIFMT_DSP_A
:
220 reg02_val
|= INNO_R02_DACM_PCM
;
222 case SND_SOC_DAIFMT_I2S
:
223 reg02_val
|= INNO_R02_DACM_I2S
;
225 case SND_SOC_DAIFMT_RIGHT_J
:
226 reg02_val
|= INNO_R02_DACM_RJM
;
228 case SND_SOC_DAIFMT_LEFT_J
:
229 reg02_val
|= INNO_R02_DACM_LJM
;
232 dev_err(codec
->dev
, "set dai format failed\n");
236 switch (fmt
& SND_SOC_DAIFMT_INV_MASK
) {
237 case SND_SOC_DAIFMT_NB_NF
:
238 reg02_val
|= INNO_R02_LRCP_NORMAL
;
239 reg03_val
|= INNO_R03_BCP_NORMAL
;
241 case SND_SOC_DAIFMT_IB_IF
:
242 reg02_val
|= INNO_R02_LRCP_REVERSAL
;
243 reg03_val
|= INNO_R03_BCP_REVERSAL
;
245 case SND_SOC_DAIFMT_IB_NF
:
246 reg02_val
|= INNO_R02_LRCP_REVERSAL
;
247 reg03_val
|= INNO_R03_BCP_NORMAL
;
249 case SND_SOC_DAIFMT_NB_IF
:
250 reg02_val
|= INNO_R02_LRCP_NORMAL
;
251 reg03_val
|= INNO_R03_BCP_REVERSAL
;
254 dev_err(codec
->dev
, "set dai format failed\n");
258 snd_soc_update_bits(codec
, INNO_R01
, INNO_R01_I2SMODE_MSK
|
259 INNO_R01_PINDIR_MSK
, reg01_val
);
260 snd_soc_update_bits(codec
, INNO_R02
, INNO_R02_LRCP_MSK
|
261 INNO_R02_DACM_MSK
, reg02_val
);
262 snd_soc_update_bits(codec
, INNO_R03
, INNO_R03_BCP_MSK
, reg03_val
);
267 static int rk3036_codec_dai_hw_params(struct snd_pcm_substream
*substream
,
268 struct snd_pcm_hw_params
*hw_params
,
269 struct snd_soc_dai
*dai
)
271 struct snd_soc_codec
*codec
= dai
->codec
;
272 unsigned int reg02_val
= 0, reg03_val
= 0;
274 switch (params_format(hw_params
)) {
275 case SNDRV_PCM_FORMAT_S16_LE
:
276 reg02_val
|= INNO_R02_VWL_16BIT
;
278 case SNDRV_PCM_FORMAT_S20_3LE
:
279 reg02_val
|= INNO_R02_VWL_20BIT
;
281 case SNDRV_PCM_FORMAT_S24_LE
:
282 reg02_val
|= INNO_R02_VWL_24BIT
;
284 case SNDRV_PCM_FORMAT_S32_LE
:
285 reg02_val
|= INNO_R02_VWL_32BIT
;
291 reg02_val
|= INNO_R02_LRCP_NORMAL
;
292 reg03_val
|= INNO_R03_FWL_32BIT
| INNO_R03_DACR_WORK
;
294 snd_soc_update_bits(codec
, INNO_R02
, INNO_R02_LRCP_MSK
|
295 INNO_R02_VWL_MSK
, reg02_val
);
296 snd_soc_update_bits(codec
, INNO_R03
, INNO_R03_DACR_MSK
|
297 INNO_R03_FWL_MSK
, reg03_val
);
301 #define RK3036_CODEC_RATES (SNDRV_PCM_RATE_8000 | \
302 SNDRV_PCM_RATE_16000 | \
303 SNDRV_PCM_RATE_32000 | \
304 SNDRV_PCM_RATE_44100 | \
305 SNDRV_PCM_RATE_48000 | \
306 SNDRV_PCM_RATE_96000)
308 #define RK3036_CODEC_FMTS (SNDRV_PCM_FMTBIT_S16_LE | \
309 SNDRV_PCM_FMTBIT_S20_3LE | \
310 SNDRV_PCM_FMTBIT_S24_LE | \
311 SNDRV_PCM_FMTBIT_S32_LE)
313 static const struct snd_soc_dai_ops rk3036_codec_dai_ops
= {
314 .set_fmt
= rk3036_codec_dai_set_fmt
,
315 .hw_params
= rk3036_codec_dai_hw_params
,
318 static struct snd_soc_dai_driver rk3036_codec_dai_driver
[] = {
320 .name
= "rk3036-codec-dai",
322 .stream_name
= "Playback",
325 .rates
= RK3036_CODEC_RATES
,
326 .formats
= RK3036_CODEC_FMTS
,
328 .ops
= &rk3036_codec_dai_ops
,
329 .symmetric_rates
= 1,
333 static void rk3036_codec_reset(struct snd_soc_codec
*codec
)
335 snd_soc_write(codec
, INNO_R00
,
336 INNO_R00_CSR_RESET
| INNO_R00_CDCR_RESET
);
337 snd_soc_write(codec
, INNO_R00
,
338 INNO_R00_CSR_WORK
| INNO_R00_CDCR_WORK
);
341 static int rk3036_codec_probe(struct snd_soc_codec
*codec
)
343 rk3036_codec_reset(codec
);
347 static int rk3036_codec_remove(struct snd_soc_codec
*codec
)
349 rk3036_codec_reset(codec
);
353 static int rk3036_codec_set_bias_level(struct snd_soc_codec
*codec
,
354 enum snd_soc_bias_level level
)
357 case SND_SOC_BIAS_STANDBY
:
358 /* set a big current for capacitor charging. */
359 snd_soc_write(codec
, INNO_R10
, INNO_R10_MAX_CUR
);
360 /* start precharge */
361 snd_soc_write(codec
, INNO_R06
, INNO_R06_DAC_PRECHARGE
);
365 case SND_SOC_BIAS_OFF
:
366 /* set a big current for capacitor discharging. */
367 snd_soc_write(codec
, INNO_R10
, INNO_R10_MAX_CUR
);
368 /* start discharge. */
369 snd_soc_write(codec
, INNO_R06
, INNO_R06_DAC_DISCHARGE
);
379 static const struct snd_soc_codec_driver rk3036_codec_driver
= {
380 .probe
= rk3036_codec_probe
,
381 .remove
= rk3036_codec_remove
,
382 .set_bias_level
= rk3036_codec_set_bias_level
,
383 .component_driver
= {
384 .controls
= rk3036_codec_dapm_controls
,
385 .num_controls
= ARRAY_SIZE(rk3036_codec_dapm_controls
),
386 .dapm_routes
= rk3036_codec_dapm_routes
,
387 .num_dapm_routes
= ARRAY_SIZE(rk3036_codec_dapm_routes
),
388 .dapm_widgets
= rk3036_codec_dapm_widgets
,
389 .num_dapm_widgets
= ARRAY_SIZE(rk3036_codec_dapm_widgets
),
393 static const struct regmap_config rk3036_codec_regmap_config
= {
399 #define GRF_SOC_CON0 0x00140
400 #define GRF_ACODEC_SEL (BIT(10) | BIT(16 + 10))
402 static int rk3036_codec_platform_probe(struct platform_device
*pdev
)
404 struct rk3036_codec_priv
*priv
;
405 struct device_node
*of_node
= pdev
->dev
.of_node
;
406 struct resource
*res
;
411 priv
= devm_kzalloc(&pdev
->dev
, sizeof(*priv
), GFP_KERNEL
);
415 res
= platform_get_resource(pdev
, IORESOURCE_MEM
, 0);
416 base
= devm_ioremap_resource(&pdev
->dev
, res
);
418 return PTR_ERR(base
);
421 priv
->regmap
= devm_regmap_init_mmio(&pdev
->dev
, priv
->base
,
422 &rk3036_codec_regmap_config
);
423 if (IS_ERR(priv
->regmap
)) {
424 dev_err(&pdev
->dev
, "init regmap failed\n");
425 return PTR_ERR(priv
->regmap
);
428 grf
= syscon_regmap_lookup_by_phandle(of_node
, "rockchip,grf");
430 dev_err(&pdev
->dev
, "needs 'rockchip,grf' property\n");
433 ret
= regmap_write(grf
, GRF_SOC_CON0
, GRF_ACODEC_SEL
);
435 dev_err(&pdev
->dev
, "Could not write to GRF: %d\n", ret
);
439 priv
->pclk
= devm_clk_get(&pdev
->dev
, "acodec_pclk");
440 if (IS_ERR(priv
->pclk
))
441 return PTR_ERR(priv
->pclk
);
443 ret
= clk_prepare_enable(priv
->pclk
);
445 dev_err(&pdev
->dev
, "failed to enable clk\n");
449 priv
->dev
= &pdev
->dev
;
450 dev_set_drvdata(&pdev
->dev
, priv
);
452 ret
= snd_soc_register_codec(&pdev
->dev
, &rk3036_codec_driver
,
453 rk3036_codec_dai_driver
,
454 ARRAY_SIZE(rk3036_codec_dai_driver
));
456 clk_disable_unprepare(priv
->pclk
);
457 dev_set_drvdata(&pdev
->dev
, NULL
);
463 static int rk3036_codec_platform_remove(struct platform_device
*pdev
)
465 struct rk3036_codec_priv
*priv
= dev_get_drvdata(&pdev
->dev
);
467 snd_soc_unregister_codec(&pdev
->dev
);
468 clk_disable_unprepare(priv
->pclk
);
473 static const struct of_device_id rk3036_codec_of_match
[] = {
474 { .compatible
= "rockchip,rk3036-codec", },
477 MODULE_DEVICE_TABLE(of
, rk3036_codec_of_match
);
479 static struct platform_driver rk3036_codec_platform_driver
= {
481 .name
= "rk3036-codec-platform",
482 .of_match_table
= of_match_ptr(rk3036_codec_of_match
),
484 .probe
= rk3036_codec_platform_probe
,
485 .remove
= rk3036_codec_platform_remove
,
488 module_platform_driver(rk3036_codec_platform_driver
);
490 MODULE_AUTHOR("Rockchip Inc.");
491 MODULE_DESCRIPTION("Rockchip rk3036 codec driver");
492 MODULE_LICENSE("GPL");