1// SPDX-License-Identifier: GPL-2.0
2// Copyright (c) 2016, The Linux Foundation. All rights reserved.
3
4#include <linux/module.h>
5#include <linux/err.h>
6#include <linux/kernel.h>
7#include <linux/delay.h>
8#include <linux/types.h>
9#include <linux/clk.h>
10#include <linux/of.h>
11#include <linux/platform_device.h>
12#include <linux/regmap.h>
13#include <linux/mfd/syscon.h>
14#include <sound/soc.h>
15#include <sound/pcm.h>
16#include <sound/pcm_params.h>
17#include <sound/tlv.h>
18
19#define LPASS_CDC_CLK_RX_RESET_CTL		(0x000)
20#define LPASS_CDC_CLK_TX_RESET_B1_CTL		(0x004)
21#define CLK_RX_RESET_B1_CTL_TX1_RESET_MASK	BIT(0)
22#define CLK_RX_RESET_B1_CTL_TX2_RESET_MASK	BIT(1)
23#define LPASS_CDC_CLK_DMIC_B1_CTL		(0x008)
24#define DMIC_B1_CTL_DMIC0_CLK_SEL_MASK		GENMASK(3, 1)
25#define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV2		(0x0 << 1)
26#define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV3		(0x1 << 1)
27#define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV4		(0x2 << 1)
28#define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV6		(0x3 << 1)
29#define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV16		(0x4 << 1)
30#define DMIC_B1_CTL_DMIC0_CLK_EN_MASK		BIT(0)
31#define DMIC_B1_CTL_DMIC0_CLK_EN_ENABLE		BIT(0)
32
33#define LPASS_CDC_CLK_RX_I2S_CTL		(0x00C)
34#define RX_I2S_CTL_RX_I2S_MODE_MASK		BIT(5)
35#define RX_I2S_CTL_RX_I2S_MODE_16		BIT(5)
36#define RX_I2S_CTL_RX_I2S_MODE_32		0
37#define RX_I2S_CTL_RX_I2S_FS_RATE_MASK		GENMASK(2, 0)
38#define RX_I2S_CTL_RX_I2S_FS_RATE_F_8_KHZ	0x0
39#define RX_I2S_CTL_RX_I2S_FS_RATE_F_16_KHZ	0x1
40#define RX_I2S_CTL_RX_I2S_FS_RATE_F_32_KHZ	0x2
41#define RX_I2S_CTL_RX_I2S_FS_RATE_F_48_KHZ	0x3
42#define RX_I2S_CTL_RX_I2S_FS_RATE_F_96_KHZ	0x4
43#define RX_I2S_CTL_RX_I2S_FS_RATE_F_192_KHZ	0x5
44#define LPASS_CDC_CLK_TX_I2S_CTL		(0x010)
45#define TX_I2S_CTL_TX_I2S_MODE_MASK		BIT(5)
46#define TX_I2S_CTL_TX_I2S_MODE_16		BIT(5)
47#define TX_I2S_CTL_TX_I2S_MODE_32		0
48#define TX_I2S_CTL_TX_I2S_FS_RATE_MASK		GENMASK(2, 0)
49#define TX_I2S_CTL_TX_I2S_FS_RATE_F_8_KHZ	0x0
50#define TX_I2S_CTL_TX_I2S_FS_RATE_F_16_KHZ	0x1
51#define TX_I2S_CTL_TX_I2S_FS_RATE_F_32_KHZ	0x2
52#define TX_I2S_CTL_TX_I2S_FS_RATE_F_48_KHZ	0x3
53#define TX_I2S_CTL_TX_I2S_FS_RATE_F_96_KHZ	0x4
54#define TX_I2S_CTL_TX_I2S_FS_RATE_F_192_KHZ	0x5
55
56#define LPASS_CDC_CLK_OTHR_RESET_B1_CTL		(0x014)
57#define LPASS_CDC_CLK_TX_CLK_EN_B1_CTL		(0x018)
58#define LPASS_CDC_CLK_OTHR_CTL			(0x01C)
59#define LPASS_CDC_CLK_RX_B1_CTL			(0x020)
60#define LPASS_CDC_CLK_MCLK_CTL			(0x024)
61#define MCLK_CTL_MCLK_EN_MASK			BIT(0)
62#define MCLK_CTL_MCLK_EN_ENABLE			BIT(0)
63#define MCLK_CTL_MCLK_EN_DISABLE		0
64#define LPASS_CDC_CLK_PDM_CTL			(0x028)
65#define LPASS_CDC_CLK_PDM_CTL_PDM_EN_MASK	BIT(0)
66#define LPASS_CDC_CLK_PDM_CTL_PDM_EN		BIT(0)
67#define LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_MASK	BIT(1)
68#define LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_FB	BIT(1)
69#define LPASS_CDC_CLK_PDM_CTL_PDM_CLK_PDM_CLK	0
70
71#define LPASS_CDC_CLK_SD_CTL			(0x02C)
72#define LPASS_CDC_RX1_B1_CTL			(0x040)
73#define LPASS_CDC_RX2_B1_CTL			(0x060)
74#define LPASS_CDC_RX3_B1_CTL			(0x080)
75#define LPASS_CDC_RX1_B2_CTL			(0x044)
76#define LPASS_CDC_RX2_B2_CTL			(0x064)
77#define LPASS_CDC_RX3_B2_CTL			(0x084)
78#define LPASS_CDC_RX1_B3_CTL			(0x048)
79#define LPASS_CDC_RX2_B3_CTL			(0x068)
80#define LPASS_CDC_RX3_B3_CTL			(0x088)
81#define LPASS_CDC_RX1_B4_CTL			(0x04C)
82#define LPASS_CDC_RX2_B4_CTL			(0x06C)
83#define LPASS_CDC_RX3_B4_CTL			(0x08C)
84#define LPASS_CDC_RX1_B5_CTL			(0x050)
85#define LPASS_CDC_RX2_B5_CTL			(0x070)
86#define LPASS_CDC_RX3_B5_CTL			(0x090)
87#define LPASS_CDC_RX1_B6_CTL			(0x054)
88#define RXn_B6_CTL_MUTE_MASK			BIT(0)
89#define RXn_B6_CTL_MUTE_ENABLE			BIT(0)
90#define RXn_B6_CTL_MUTE_DISABLE			0
91#define LPASS_CDC_RX2_B6_CTL			(0x074)
92#define LPASS_CDC_RX3_B6_CTL			(0x094)
93#define LPASS_CDC_RX1_VOL_CTL_B1_CTL		(0x058)
94#define LPASS_CDC_RX2_VOL_CTL_B1_CTL		(0x078)
95#define LPASS_CDC_RX3_VOL_CTL_B1_CTL		(0x098)
96#define LPASS_CDC_RX1_VOL_CTL_B2_CTL		(0x05C)
97#define LPASS_CDC_RX2_VOL_CTL_B2_CTL		(0x07C)
98#define LPASS_CDC_RX3_VOL_CTL_B2_CTL		(0x09C)
99#define LPASS_CDC_TOP_GAIN_UPDATE		(0x0A0)
100#define LPASS_CDC_TOP_CTL			(0x0A4)
101#define TOP_CTL_DIG_MCLK_FREQ_MASK		BIT(0)
102#define TOP_CTL_DIG_MCLK_FREQ_F_12_288MHZ	0
103#define TOP_CTL_DIG_MCLK_FREQ_F_9_6MHZ		BIT(0)
104
105#define LPASS_CDC_DEBUG_DESER1_CTL		(0x0E0)
106#define LPASS_CDC_DEBUG_DESER2_CTL		(0x0E4)
107#define LPASS_CDC_DEBUG_B1_CTL_CFG		(0x0E8)
108#define LPASS_CDC_DEBUG_B2_CTL_CFG		(0x0EC)
109#define LPASS_CDC_DEBUG_B3_CTL_CFG		(0x0F0)
110#define LPASS_CDC_IIR1_GAIN_B1_CTL		(0x100)
111#define LPASS_CDC_IIR2_GAIN_B1_CTL		(0x140)
112#define LPASS_CDC_IIR1_GAIN_B2_CTL		(0x104)
113#define LPASS_CDC_IIR2_GAIN_B2_CTL		(0x144)
114#define LPASS_CDC_IIR1_GAIN_B3_CTL		(0x108)
115#define LPASS_CDC_IIR2_GAIN_B3_CTL		(0x148)
116#define LPASS_CDC_IIR1_GAIN_B4_CTL		(0x10C)
117#define LPASS_CDC_IIR2_GAIN_B4_CTL		(0x14C)
118#define LPASS_CDC_IIR1_GAIN_B5_CTL		(0x110)
119#define LPASS_CDC_IIR2_GAIN_B5_CTL		(0x150)
120#define LPASS_CDC_IIR1_GAIN_B6_CTL		(0x114)
121#define LPASS_CDC_IIR2_GAIN_B6_CTL		(0x154)
122#define LPASS_CDC_IIR1_GAIN_B7_CTL		(0x118)
123#define LPASS_CDC_IIR2_GAIN_B7_CTL		(0x158)
124#define LPASS_CDC_IIR1_GAIN_B8_CTL		(0x11C)
125#define LPASS_CDC_IIR2_GAIN_B8_CTL		(0x15C)
126#define LPASS_CDC_IIR1_CTL			(0x120)
127#define LPASS_CDC_IIR2_CTL			(0x160)
128#define LPASS_CDC_IIR1_GAIN_TIMER_CTL		(0x124)
129#define LPASS_CDC_IIR2_GAIN_TIMER_CTL		(0x164)
130#define LPASS_CDC_IIR1_COEF_B1_CTL		(0x128)
131#define LPASS_CDC_IIR2_COEF_B1_CTL		(0x168)
132#define LPASS_CDC_IIR1_COEF_B2_CTL		(0x12C)
133#define LPASS_CDC_IIR2_COEF_B2_CTL		(0x16C)
134#define LPASS_CDC_CONN_RX1_B1_CTL		(0x180)
135#define LPASS_CDC_CONN_RX1_B2_CTL		(0x184)
136#define LPASS_CDC_CONN_RX1_B3_CTL		(0x188)
137#define LPASS_CDC_CONN_RX2_B1_CTL		(0x18C)
138#define LPASS_CDC_CONN_RX2_B2_CTL		(0x190)
139#define LPASS_CDC_CONN_RX2_B3_CTL		(0x194)
140#define LPASS_CDC_CONN_RX3_B1_CTL		(0x198)
141#define LPASS_CDC_CONN_RX3_B2_CTL		(0x19C)
142#define LPASS_CDC_CONN_TX_B1_CTL		(0x1A0)
143#define LPASS_CDC_CONN_EQ1_B1_CTL		(0x1A8)
144#define LPASS_CDC_CONN_EQ1_B2_CTL		(0x1AC)
145#define LPASS_CDC_CONN_EQ1_B3_CTL		(0x1B0)
146#define LPASS_CDC_CONN_EQ1_B4_CTL		(0x1B4)
147#define LPASS_CDC_CONN_EQ2_B1_CTL		(0x1B8)
148#define LPASS_CDC_CONN_EQ2_B2_CTL		(0x1BC)
149#define LPASS_CDC_CONN_EQ2_B3_CTL		(0x1C0)
150#define LPASS_CDC_CONN_EQ2_B4_CTL		(0x1C4)
151#define LPASS_CDC_CONN_TX_I2S_SD1_CTL		(0x1C8)
152#define LPASS_CDC_TX1_VOL_CTL_TIMER		(0x280)
153#define LPASS_CDC_TX2_VOL_CTL_TIMER		(0x2A0)
154#define LPASS_CDC_TX1_VOL_CTL_GAIN		(0x284)
155#define LPASS_CDC_TX2_VOL_CTL_GAIN		(0x2A4)
156#define LPASS_CDC_TX1_VOL_CTL_CFG		(0x288)
157#define TX_VOL_CTL_CFG_MUTE_EN_MASK		BIT(0)
158#define TX_VOL_CTL_CFG_MUTE_EN_ENABLE		BIT(0)
159
160#define LPASS_CDC_TX2_VOL_CTL_CFG		(0x2A8)
161#define LPASS_CDC_TX1_MUX_CTL			(0x28C)
162#define TX_MUX_CTL_CUT_OFF_FREQ_MASK		GENMASK(5, 4)
163#define TX_MUX_CTL_CUT_OFF_FREQ_SHIFT		4
164#define TX_MUX_CTL_CF_NEG_3DB_4HZ		(0x0 << 4)
165#define TX_MUX_CTL_CF_NEG_3DB_75HZ		(0x1 << 4)
166#define TX_MUX_CTL_CF_NEG_3DB_150HZ		(0x2 << 4)
167#define TX_MUX_CTL_HPF_BP_SEL_MASK		BIT(3)
168#define TX_MUX_CTL_HPF_BP_SEL_BYPASS		BIT(3)
169#define TX_MUX_CTL_HPF_BP_SEL_NO_BYPASS		0
170
171#define LPASS_CDC_TX2_MUX_CTL			(0x2AC)
172#define LPASS_CDC_TX1_CLK_FS_CTL		(0x290)
173#define LPASS_CDC_TX2_CLK_FS_CTL		(0x2B0)
174#define LPASS_CDC_TX1_DMIC_CTL			(0x294)
175#define LPASS_CDC_TX2_DMIC_CTL			(0x2B4)
176#define TXN_DMIC_CTL_CLK_SEL_MASK		GENMASK(2, 0)
177#define TXN_DMIC_CTL_CLK_SEL_DIV2		0x0
178#define TXN_DMIC_CTL_CLK_SEL_DIV3		0x1
179#define TXN_DMIC_CTL_CLK_SEL_DIV4		0x2
180#define TXN_DMIC_CTL_CLK_SEL_DIV6		0x3
181#define TXN_DMIC_CTL_CLK_SEL_DIV16		0x4
182
183#define MSM8916_WCD_DIGITAL_RATES (SNDRV_PCM_RATE_8000 | \
184				   SNDRV_PCM_RATE_16000 | \
185				   SNDRV_PCM_RATE_32000 | \
186				   SNDRV_PCM_RATE_48000)
187#define MSM8916_WCD_DIGITAL_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
188				     SNDRV_PCM_FMTBIT_S32_LE)
189
190/* Codec supports 2 IIR filters */
191enum {
192	IIR1 = 0,
193	IIR2,
194	IIR_MAX,
195};
196
197/* Codec supports 5 bands */
198enum {
199	BAND1 = 0,
200	BAND2,
201	BAND3,
202	BAND4,
203	BAND5,
204	BAND_MAX,
205};
206
207#define WCD_IIR_FILTER_SIZE	(sizeof(u32)*BAND_MAX)
208
209#define WCD_IIR_FILTER_CTL(xname, iidx, bidx) \
210{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
211	.info = wcd_iir_filter_info, \
212	.get = msm8x16_wcd_get_iir_band_audio_mixer, \
213	.put = msm8x16_wcd_put_iir_band_audio_mixer, \
214	.private_value = (unsigned long)&(struct wcd_iir_filter_ctl) { \
215		.iir_idx = iidx, \
216		.band_idx = bidx, \
217		.bytes_ext = {.max = WCD_IIR_FILTER_SIZE, }, \
218	} \
219}
220
221struct wcd_iir_filter_ctl {
222	unsigned int iir_idx;
223	unsigned int band_idx;
224	struct soc_bytes_ext bytes_ext;
225};
226
227struct msm8916_wcd_digital_priv {
228	struct clk *ahbclk, *mclk;
229};
230
231static const unsigned long rx_gain_reg[] = {
232	LPASS_CDC_RX1_VOL_CTL_B2_CTL,
233	LPASS_CDC_RX2_VOL_CTL_B2_CTL,
234	LPASS_CDC_RX3_VOL_CTL_B2_CTL,
235};
236
237static const unsigned long tx_gain_reg[] = {
238	LPASS_CDC_TX1_VOL_CTL_GAIN,
239	LPASS_CDC_TX2_VOL_CTL_GAIN,
240};
241
242static const char *const rx_mix1_text[] = {
243	"ZERO", "IIR1", "IIR2", "RX1", "RX2", "RX3"
244};
245
246static const char * const rx_mix2_text[] = {
247	"ZERO", "IIR1", "IIR2"
248};
249
250static const char *const dec_mux_text[] = {
251	"ZERO", "ADC1", "ADC2", "ADC3", "DMIC1", "DMIC2"
252};
253
254static const char *const cic_mux_text[] = { "AMIC", "DMIC" };
255
256/* RX1 MIX1 */
257static const struct soc_enum rx_mix1_inp_enum[] = {
258	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B1_CTL, 0, 6, rx_mix1_text),
259	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B1_CTL, 3, 6, rx_mix1_text),
260	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B2_CTL, 0, 6, rx_mix1_text),
261};
262
263/* RX2 MIX1 */
264static const struct soc_enum rx2_mix1_inp_enum[] = {
265	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B1_CTL, 0, 6, rx_mix1_text),
266	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B1_CTL, 3, 6, rx_mix1_text),
267	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B2_CTL, 0, 6, rx_mix1_text),
268};
269
270/* RX3 MIX1 */
271static const struct soc_enum rx3_mix1_inp_enum[] = {
272	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B1_CTL, 0, 6, rx_mix1_text),
273	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B1_CTL, 3, 6, rx_mix1_text),
274	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B2_CTL, 0, 6, rx_mix1_text),
275};
276
277/* RX1 MIX2 */
278static const struct soc_enum rx_mix2_inp1_chain_enum =
279	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B3_CTL,
280		0, 3, rx_mix2_text);
281
282/* RX2 MIX2 */
283static const struct soc_enum rx2_mix2_inp1_chain_enum =
284	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B3_CTL,
285		0, 3, rx_mix2_text);
286
287/* DEC */
288static const struct soc_enum dec1_mux_enum = SOC_ENUM_SINGLE(
289				LPASS_CDC_CONN_TX_B1_CTL, 0, 6, dec_mux_text);
290static const struct soc_enum dec2_mux_enum = SOC_ENUM_SINGLE(
291				LPASS_CDC_CONN_TX_B1_CTL, 3, 6, dec_mux_text);
292
293/* CIC */
294static const struct soc_enum cic1_mux_enum = SOC_ENUM_SINGLE(
295				LPASS_CDC_TX1_MUX_CTL, 0, 2, cic_mux_text);
296static const struct soc_enum cic2_mux_enum = SOC_ENUM_SINGLE(
297				LPASS_CDC_TX2_MUX_CTL, 0, 2, cic_mux_text);
298
299/* RDAC2 MUX */
300static const struct snd_kcontrol_new dec1_mux = SOC_DAPM_ENUM(
301				"DEC1 MUX Mux", dec1_mux_enum);
302static const struct snd_kcontrol_new dec2_mux = SOC_DAPM_ENUM(
303				"DEC2 MUX Mux",	dec2_mux_enum);
304static const struct snd_kcontrol_new cic1_mux = SOC_DAPM_ENUM(
305				"CIC1 MUX Mux", cic1_mux_enum);
306static const struct snd_kcontrol_new cic2_mux = SOC_DAPM_ENUM(
307				"CIC2 MUX Mux",	cic2_mux_enum);
308static const struct snd_kcontrol_new rx_mix1_inp1_mux = SOC_DAPM_ENUM(
309				"RX1 MIX1 INP1 Mux", rx_mix1_inp_enum[0]);
310static const struct snd_kcontrol_new rx_mix1_inp2_mux = SOC_DAPM_ENUM(
311				"RX1 MIX1 INP2 Mux", rx_mix1_inp_enum[1]);
312static const struct snd_kcontrol_new rx_mix1_inp3_mux = SOC_DAPM_ENUM(
313				"RX1 MIX1 INP3 Mux", rx_mix1_inp_enum[2]);
314static const struct snd_kcontrol_new rx2_mix1_inp1_mux = SOC_DAPM_ENUM(
315				"RX2 MIX1 INP1 Mux", rx2_mix1_inp_enum[0]);
316static const struct snd_kcontrol_new rx2_mix1_inp2_mux = SOC_DAPM_ENUM(
317				"RX2 MIX1 INP2 Mux", rx2_mix1_inp_enum[1]);
318static const struct snd_kcontrol_new rx2_mix1_inp3_mux = SOC_DAPM_ENUM(
319				"RX2 MIX1 INP3 Mux", rx2_mix1_inp_enum[2]);
320static const struct snd_kcontrol_new rx3_mix1_inp1_mux = SOC_DAPM_ENUM(
321				"RX3 MIX1 INP1 Mux", rx3_mix1_inp_enum[0]);
322static const struct snd_kcontrol_new rx3_mix1_inp2_mux = SOC_DAPM_ENUM(
323				"RX3 MIX1 INP2 Mux", rx3_mix1_inp_enum[1]);
324static const struct snd_kcontrol_new rx3_mix1_inp3_mux = SOC_DAPM_ENUM(
325				"RX3 MIX1 INP3 Mux", rx3_mix1_inp_enum[2]);
326static const struct snd_kcontrol_new rx1_mix2_inp1_mux = SOC_DAPM_ENUM(
327				"RX1 MIX2 INP1 Mux", rx_mix2_inp1_chain_enum);
328static const struct snd_kcontrol_new rx2_mix2_inp1_mux = SOC_DAPM_ENUM(
329				"RX2 MIX2 INP1 Mux", rx2_mix2_inp1_chain_enum);
330
331/* Digital Gain control -84 dB to +40 dB in 1 dB steps */
332static const DECLARE_TLV_DB_SCALE(digital_gain, -8400, 100, -8400);
333
334/* Cutoff Freq for High Pass Filter at -3dB */
335static const char * const hpf_cutoff_text[] = {
336	"4Hz", "75Hz", "150Hz",
337};
338
339static SOC_ENUM_SINGLE_DECL(tx1_hpf_cutoff_enum, LPASS_CDC_TX1_MUX_CTL, 4,
340			    hpf_cutoff_text);
341static SOC_ENUM_SINGLE_DECL(tx2_hpf_cutoff_enum, LPASS_CDC_TX2_MUX_CTL, 4,
342			    hpf_cutoff_text);
343
344/* cut off for dc blocker inside rx chain */
345static const char * const dc_blocker_cutoff_text[] = {
346	"4Hz", "75Hz", "150Hz",
347};
348
349static SOC_ENUM_SINGLE_DECL(rx1_dcb_cutoff_enum, LPASS_CDC_RX1_B4_CTL, 0,
350			    dc_blocker_cutoff_text);
351static SOC_ENUM_SINGLE_DECL(rx2_dcb_cutoff_enum, LPASS_CDC_RX2_B4_CTL, 0,
352			    dc_blocker_cutoff_text);
353static SOC_ENUM_SINGLE_DECL(rx3_dcb_cutoff_enum, LPASS_CDC_RX3_B4_CTL, 0,
354			    dc_blocker_cutoff_text);
355
356static int msm8x16_wcd_codec_set_iir_gain(struct snd_soc_dapm_widget *w,
357		struct snd_kcontrol *kcontrol, int event)
358{
359	struct snd_soc_component *component =
360			snd_soc_dapm_to_component(w->dapm);
361	int value = 0, reg = 0;
362
363	switch (event) {
364	case SND_SOC_DAPM_POST_PMU:
365		if (w->shift == 0)
366			reg = LPASS_CDC_IIR1_GAIN_B1_CTL;
367		else if (w->shift == 1)
368			reg = LPASS_CDC_IIR2_GAIN_B1_CTL;
369		value = snd_soc_component_read(component, reg);
370		snd_soc_component_write(component, reg, value);
371		break;
372	default:
373		break;
374	}
375	return 0;
376}
377
378static uint32_t get_iir_band_coeff(struct snd_soc_component *component,
379				   int iir_idx, int band_idx,
380				   int coeff_idx)
381{
382	uint32_t value = 0;
383
384	/* Address does not automatically update if reading */
385	snd_soc_component_write(component,
386		(LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
387		((band_idx * BAND_MAX + coeff_idx)
388		* sizeof(uint32_t)) & 0x7F);
389
390	value |= snd_soc_component_read(component,
391		(LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx));
392
393	snd_soc_component_write(component,
394		(LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
395		((band_idx * BAND_MAX + coeff_idx)
396		* sizeof(uint32_t) + 1) & 0x7F);
397
398	value |= (snd_soc_component_read(component,
399		(LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)) << 8);
400
401	snd_soc_component_write(component,
402		(LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
403		((band_idx * BAND_MAX + coeff_idx)
404		* sizeof(uint32_t) + 2) & 0x7F);
405
406	value |= (snd_soc_component_read(component,
407		(LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)) << 16);
408
409	snd_soc_component_write(component,
410		(LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
411		((band_idx * BAND_MAX + coeff_idx)
412		* sizeof(uint32_t) + 3) & 0x7F);
413
414	/* Mask bits top 2 bits since they are reserved */
415	value |= ((snd_soc_component_read(component,
416		 (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)) & 0x3f) << 24);
417	return value;
418
419}
420
421static int msm8x16_wcd_get_iir_band_audio_mixer(
422					struct snd_kcontrol *kcontrol,
423					struct snd_ctl_elem_value *ucontrol)
424{
425
426	struct snd_soc_component *component =
427			snd_soc_kcontrol_component(kcontrol);
428	struct wcd_iir_filter_ctl *ctl =
429			(struct wcd_iir_filter_ctl *)kcontrol->private_value;
430	struct soc_bytes_ext *params = &ctl->bytes_ext;
431	int iir_idx = ctl->iir_idx;
432	int band_idx = ctl->band_idx;
433	u32 coeff[BAND_MAX];
434
435	coeff[0] = get_iir_band_coeff(component, iir_idx, band_idx, 0);
436	coeff[1] = get_iir_band_coeff(component, iir_idx, band_idx, 1);
437	coeff[2] = get_iir_band_coeff(component, iir_idx, band_idx, 2);
438	coeff[3] = get_iir_band_coeff(component, iir_idx, band_idx, 3);
439	coeff[4] = get_iir_band_coeff(component, iir_idx, band_idx, 4);
440
441	memcpy(ucontrol->value.bytes.data, &coeff[0], params->max);
442
443	return 0;
444}
445
446static void set_iir_band_coeff(struct snd_soc_component *component,
447				int iir_idx, int band_idx,
448				uint32_t value)
449{
450	snd_soc_component_write(component,
451		(LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx),
452		(value & 0xFF));
453
454	snd_soc_component_write(component,
455		(LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx),
456		(value >> 8) & 0xFF);
457
458	snd_soc_component_write(component,
459		(LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx),
460		(value >> 16) & 0xFF);
461
462	/* Mask top 2 bits, 7-8 are reserved */
463	snd_soc_component_write(component,
464		(LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx),
465		(value >> 24) & 0x3F);
466}
467
468static int msm8x16_wcd_put_iir_band_audio_mixer(
469					struct snd_kcontrol *kcontrol,
470					struct snd_ctl_elem_value *ucontrol)
471{
472	struct snd_soc_component *component =
473			snd_soc_kcontrol_component(kcontrol);
474	struct wcd_iir_filter_ctl *ctl =
475			(struct wcd_iir_filter_ctl *)kcontrol->private_value;
476	struct soc_bytes_ext *params = &ctl->bytes_ext;
477	int iir_idx = ctl->iir_idx;
478	int band_idx = ctl->band_idx;
479	u32 coeff[BAND_MAX];
480
481	memcpy(&coeff[0], ucontrol->value.bytes.data, params->max);
482
483	/* Mask top bit it is reserved */
484	/* Updates addr automatically for each B2 write */
485	snd_soc_component_write(component,
486		(LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
487		(band_idx * BAND_MAX * sizeof(uint32_t)) & 0x7F);
488
489	set_iir_band_coeff(component, iir_idx, band_idx, coeff[0]);
490	set_iir_band_coeff(component, iir_idx, band_idx, coeff[1]);
491	set_iir_band_coeff(component, iir_idx, band_idx, coeff[2]);
492	set_iir_band_coeff(component, iir_idx, band_idx, coeff[3]);
493	set_iir_band_coeff(component, iir_idx, band_idx, coeff[4]);
494
495	return 0;
496}
497
498static int wcd_iir_filter_info(struct snd_kcontrol *kcontrol,
499				struct snd_ctl_elem_info *ucontrol)
500{
501	struct wcd_iir_filter_ctl *ctl =
502		(struct wcd_iir_filter_ctl *)kcontrol->private_value;
503	struct soc_bytes_ext *params = &ctl->bytes_ext;
504
505	ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES;
506	ucontrol->count = params->max;
507
508	return 0;
509}
510
511static const struct snd_kcontrol_new msm8916_wcd_digital_snd_controls[] = {
512	SOC_SINGLE_S8_TLV("RX1 Digital Volume", LPASS_CDC_RX1_VOL_CTL_B2_CTL,
513			-84, 40, digital_gain),
514	SOC_SINGLE_S8_TLV("RX2 Digital Volume", LPASS_CDC_RX2_VOL_CTL_B2_CTL,
515			-84, 40, digital_gain),
516	SOC_SINGLE_S8_TLV("RX3 Digital Volume", LPASS_CDC_RX3_VOL_CTL_B2_CTL,
517			-84, 40, digital_gain),
518	SOC_SINGLE_S8_TLV("TX1 Digital Volume", LPASS_CDC_TX1_VOL_CTL_GAIN,
519			-84, 40, digital_gain),
520	SOC_SINGLE_S8_TLV("TX2 Digital Volume", LPASS_CDC_TX2_VOL_CTL_GAIN,
521			-84, 40, digital_gain),
522	SOC_ENUM("TX1 HPF Cutoff", tx1_hpf_cutoff_enum),
523	SOC_ENUM("TX2 HPF Cutoff", tx2_hpf_cutoff_enum),
524	SOC_SINGLE("TX1 HPF Switch", LPASS_CDC_TX1_MUX_CTL, 3, 1, 0),
525	SOC_SINGLE("TX2 HPF Switch", LPASS_CDC_TX2_MUX_CTL, 3, 1, 0),
526	SOC_ENUM("RX1 DCB Cutoff", rx1_dcb_cutoff_enum),
527	SOC_ENUM("RX2 DCB Cutoff", rx2_dcb_cutoff_enum),
528	SOC_ENUM("RX3 DCB Cutoff", rx3_dcb_cutoff_enum),
529	SOC_SINGLE("RX1 DCB Switch", LPASS_CDC_RX1_B5_CTL, 2, 1, 0),
530	SOC_SINGLE("RX2 DCB Switch", LPASS_CDC_RX2_B5_CTL, 2, 1, 0),
531	SOC_SINGLE("RX3 DCB Switch", LPASS_CDC_RX3_B5_CTL, 2, 1, 0),
532	SOC_SINGLE("RX1 Mute Switch", LPASS_CDC_RX1_B6_CTL, 0, 1, 0),
533	SOC_SINGLE("RX2 Mute Switch", LPASS_CDC_RX2_B6_CTL, 0, 1, 0),
534	SOC_SINGLE("RX3 Mute Switch", LPASS_CDC_RX3_B6_CTL, 0, 1, 0),
535
536	SOC_SINGLE("IIR1 Band1 Switch", LPASS_CDC_IIR1_CTL, 0, 1, 0),
537	SOC_SINGLE("IIR1 Band2 Switch", LPASS_CDC_IIR1_CTL, 1, 1, 0),
538	SOC_SINGLE("IIR1 Band3 Switch", LPASS_CDC_IIR1_CTL, 2, 1, 0),
539	SOC_SINGLE("IIR1 Band4 Switch", LPASS_CDC_IIR1_CTL, 3, 1, 0),
540	SOC_SINGLE("IIR1 Band5 Switch", LPASS_CDC_IIR1_CTL, 4, 1, 0),
541	SOC_SINGLE("IIR2 Band1 Switch", LPASS_CDC_IIR2_CTL, 0, 1, 0),
542	SOC_SINGLE("IIR2 Band2 Switch", LPASS_CDC_IIR2_CTL, 1, 1, 0),
543	SOC_SINGLE("IIR2 Band3 Switch", LPASS_CDC_IIR2_CTL, 2, 1, 0),
544	SOC_SINGLE("IIR2 Band4 Switch", LPASS_CDC_IIR2_CTL, 3, 1, 0),
545	SOC_SINGLE("IIR2 Band5 Switch", LPASS_CDC_IIR2_CTL, 4, 1, 0),
546	WCD_IIR_FILTER_CTL("IIR1 Band1", IIR1, BAND1),
547	WCD_IIR_FILTER_CTL("IIR1 Band2", IIR1, BAND2),
548	WCD_IIR_FILTER_CTL("IIR1 Band3", IIR1, BAND3),
549	WCD_IIR_FILTER_CTL("IIR1 Band4", IIR1, BAND4),
550	WCD_IIR_FILTER_CTL("IIR1 Band5", IIR1, BAND5),
551	WCD_IIR_FILTER_CTL("IIR2 Band1", IIR2, BAND1),
552	WCD_IIR_FILTER_CTL("IIR2 Band2", IIR2, BAND2),
553	WCD_IIR_FILTER_CTL("IIR2 Band3", IIR2, BAND3),
554	WCD_IIR_FILTER_CTL("IIR2 Band4", IIR2, BAND4),
555	WCD_IIR_FILTER_CTL("IIR2 Band5", IIR2, BAND5),
556	SOC_SINGLE_S8_TLV("IIR1 INP1 Volume", LPASS_CDC_IIR1_GAIN_B1_CTL,
557			-84, 40, digital_gain),
558	SOC_SINGLE_S8_TLV("IIR1 INP2 Volume", LPASS_CDC_IIR1_GAIN_B2_CTL,
559			-84, 40, digital_gain),
560	SOC_SINGLE_S8_TLV("IIR1 INP3 Volume", LPASS_CDC_IIR1_GAIN_B3_CTL,
561			-84, 40, digital_gain),
562	SOC_SINGLE_S8_TLV("IIR1 INP4 Volume", LPASS_CDC_IIR1_GAIN_B4_CTL,
563			-84, 40, digital_gain),
564	SOC_SINGLE_S8_TLV("IIR2 INP1 Volume", LPASS_CDC_IIR2_GAIN_B1_CTL,
565			-84, 40, digital_gain),
566	SOC_SINGLE_S8_TLV("IIR2 INP2 Volume", LPASS_CDC_IIR2_GAIN_B2_CTL,
567			-84, 40, digital_gain),
568	SOC_SINGLE_S8_TLV("IIR2 INP3 Volume", LPASS_CDC_IIR2_GAIN_B3_CTL,
569			-84, 40, digital_gain),
570	SOC_SINGLE_S8_TLV("IIR2 INP4 Volume", LPASS_CDC_IIR2_GAIN_B4_CTL,
571			-84, 40, digital_gain),
572
573};
574
575static int msm8916_wcd_digital_enable_interpolator(
576						struct snd_soc_dapm_widget *w,
577						struct snd_kcontrol *kcontrol,
578						int event)
579{
580	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
581
582	switch (event) {
583	case SND_SOC_DAPM_POST_PMU:
584		/* apply the digital gain after the interpolator is enabled */
585		usleep_range(10000, 10100);
586		snd_soc_component_write(component, rx_gain_reg[w->shift],
587			      snd_soc_component_read(component, rx_gain_reg[w->shift]));
588		break;
589	case SND_SOC_DAPM_POST_PMD:
590		snd_soc_component_update_bits(component, LPASS_CDC_CLK_RX_RESET_CTL,
591					      1 << w->shift, 1 << w->shift);
592		snd_soc_component_update_bits(component, LPASS_CDC_CLK_RX_RESET_CTL,
593					      1 << w->shift, 0x0);
594		break;
595	}
596	return 0;
597}
598
599static int msm8916_wcd_digital_enable_dec(struct snd_soc_dapm_widget *w,
600					  struct snd_kcontrol *kcontrol,
601					  int event)
602{
603	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
604	unsigned int decimator = w->shift + 1;
605	u16 dec_reset_reg, tx_vol_ctl_reg, tx_mux_ctl_reg;
606	u8 dec_hpf_cut_of_freq;
607
608	dec_reset_reg = LPASS_CDC_CLK_TX_RESET_B1_CTL;
609	tx_vol_ctl_reg = LPASS_CDC_TX1_VOL_CTL_CFG + 32 * (decimator - 1);
610	tx_mux_ctl_reg = LPASS_CDC_TX1_MUX_CTL + 32 * (decimator - 1);
611
612	switch (event) {
613	case SND_SOC_DAPM_PRE_PMU:
614		/* Enable TX digital mute */
615		snd_soc_component_update_bits(component, tx_vol_ctl_reg,
616				    TX_VOL_CTL_CFG_MUTE_EN_MASK,
617				    TX_VOL_CTL_CFG_MUTE_EN_ENABLE);
618		dec_hpf_cut_of_freq = snd_soc_component_read(component, tx_mux_ctl_reg) &
619					TX_MUX_CTL_CUT_OFF_FREQ_MASK;
620		dec_hpf_cut_of_freq >>= TX_MUX_CTL_CUT_OFF_FREQ_SHIFT;
621		if (dec_hpf_cut_of_freq != TX_MUX_CTL_CF_NEG_3DB_150HZ) {
622			/* set cut of freq to CF_MIN_3DB_150HZ (0x1) */
623			snd_soc_component_update_bits(component, tx_mux_ctl_reg,
624					    TX_MUX_CTL_CUT_OFF_FREQ_MASK,
625					    TX_MUX_CTL_CF_NEG_3DB_150HZ);
626		}
627		break;
628	case SND_SOC_DAPM_POST_PMU:
629		/* enable HPF */
630		snd_soc_component_update_bits(component, tx_mux_ctl_reg,
631				    TX_MUX_CTL_HPF_BP_SEL_MASK,
632				    TX_MUX_CTL_HPF_BP_SEL_NO_BYPASS);
633		/* apply the digital gain after the decimator is enabled */
634		snd_soc_component_write(component, tx_gain_reg[w->shift],
635			      snd_soc_component_read(component, tx_gain_reg[w->shift]));
636		snd_soc_component_update_bits(component, tx_vol_ctl_reg,
637				    TX_VOL_CTL_CFG_MUTE_EN_MASK, 0);
638		break;
639	case SND_SOC_DAPM_PRE_PMD:
640		snd_soc_component_update_bits(component, tx_vol_ctl_reg,
641				    TX_VOL_CTL_CFG_MUTE_EN_MASK,
642				    TX_VOL_CTL_CFG_MUTE_EN_ENABLE);
643		snd_soc_component_update_bits(component, tx_mux_ctl_reg,
644				    TX_MUX_CTL_HPF_BP_SEL_MASK,
645				    TX_MUX_CTL_HPF_BP_SEL_BYPASS);
646		break;
647	case SND_SOC_DAPM_POST_PMD:
648		snd_soc_component_update_bits(component, dec_reset_reg, 1 << w->shift,
649				    1 << w->shift);
650		snd_soc_component_update_bits(component, dec_reset_reg, 1 << w->shift, 0x0);
651		snd_soc_component_update_bits(component, tx_mux_ctl_reg,
652				    TX_MUX_CTL_HPF_BP_SEL_MASK,
653				    TX_MUX_CTL_HPF_BP_SEL_BYPASS);
654		snd_soc_component_update_bits(component, tx_vol_ctl_reg,
655				    TX_VOL_CTL_CFG_MUTE_EN_MASK, 0);
656		break;
657	}
658
659	return 0;
660}
661
662static int msm8916_wcd_digital_enable_dmic(struct snd_soc_dapm_widget *w,
663					   struct snd_kcontrol *kcontrol,
664					   int event)
665{
666	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
667	unsigned int dmic;
668	int ret;
669	/* get dmic number out of widget name */
670	char *dmic_num = strpbrk(w->name, "12");
671
672	if (dmic_num == NULL) {
673		dev_err(component->dev, "Invalid DMIC\n");
674		return -EINVAL;
675	}
676	ret = kstrtouint(dmic_num, 10, &dmic);
677	if (ret < 0 || dmic > 2) {
678		dev_err(component->dev, "Invalid DMIC line on the component\n");
679		return -EINVAL;
680	}
681
682	switch (event) {
683	case SND_SOC_DAPM_PRE_PMU:
684		snd_soc_component_update_bits(component, LPASS_CDC_CLK_DMIC_B1_CTL,
685				    DMIC_B1_CTL_DMIC0_CLK_SEL_MASK,
686				    DMIC_B1_CTL_DMIC0_CLK_SEL_DIV3);
687		switch (dmic) {
688		case 1:
689			snd_soc_component_update_bits(component, LPASS_CDC_TX1_DMIC_CTL,
690					    TXN_DMIC_CTL_CLK_SEL_MASK,
691					    TXN_DMIC_CTL_CLK_SEL_DIV3);
692			break;
693		case 2:
694			snd_soc_component_update_bits(component, LPASS_CDC_TX2_DMIC_CTL,
695					    TXN_DMIC_CTL_CLK_SEL_MASK,
696					    TXN_DMIC_CTL_CLK_SEL_DIV3);
697			break;
698		}
699		break;
700	}
701
702	return 0;
703}
704
705static const char * const iir_inp1_text[] = {
706	"ZERO", "DEC1", "DEC2", "RX1", "RX2", "RX3"
707};
708
709static const struct soc_enum iir1_inp1_mux_enum =
710	SOC_ENUM_SINGLE(LPASS_CDC_CONN_EQ1_B1_CTL,
711		0, 6, iir_inp1_text);
712
713static const struct soc_enum iir2_inp1_mux_enum =
714	SOC_ENUM_SINGLE(LPASS_CDC_CONN_EQ2_B1_CTL,
715		0, 6, iir_inp1_text);
716
717static const struct snd_kcontrol_new iir1_inp1_mux =
718	SOC_DAPM_ENUM("IIR1 INP1 Mux", iir1_inp1_mux_enum);
719
720static const struct snd_kcontrol_new iir2_inp1_mux =
721	SOC_DAPM_ENUM("IIR2 INP1 Mux", iir2_inp1_mux_enum);
722
723static const struct snd_soc_dapm_widget msm8916_wcd_digital_dapm_widgets[] = {
724	/*RX stuff */
725	SND_SOC_DAPM_AIF_IN("I2S RX1", NULL, 0, SND_SOC_NOPM, 0, 0),
726	SND_SOC_DAPM_AIF_IN("I2S RX2", NULL, 0, SND_SOC_NOPM, 0, 0),
727	SND_SOC_DAPM_AIF_IN("I2S RX3", NULL, 0, SND_SOC_NOPM, 0, 0),
728
729	SND_SOC_DAPM_OUTPUT("PDM_RX1"),
730	SND_SOC_DAPM_OUTPUT("PDM_RX2"),
731	SND_SOC_DAPM_OUTPUT("PDM_RX3"),
732
733	SND_SOC_DAPM_INPUT("LPASS_PDM_TX"),
734
735	SND_SOC_DAPM_MIXER("RX1 MIX1", SND_SOC_NOPM, 0, 0, NULL, 0),
736	SND_SOC_DAPM_MIXER("RX2 MIX1", SND_SOC_NOPM, 0, 0, NULL, 0),
737	SND_SOC_DAPM_MIXER("RX3 MIX1", SND_SOC_NOPM, 0, 0, NULL, 0),
738
739	/* Interpolator */
740	SND_SOC_DAPM_MIXER_E("RX1 INT", LPASS_CDC_CLK_RX_B1_CTL, 0, 0, NULL,
741			     0, msm8916_wcd_digital_enable_interpolator,
742			     SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
743	SND_SOC_DAPM_MIXER_E("RX2 INT", LPASS_CDC_CLK_RX_B1_CTL, 1, 0, NULL,
744			     0, msm8916_wcd_digital_enable_interpolator,
745			     SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
746	SND_SOC_DAPM_MIXER_E("RX3 INT", LPASS_CDC_CLK_RX_B1_CTL, 2, 0, NULL,
747			     0, msm8916_wcd_digital_enable_interpolator,
748			     SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
749	SND_SOC_DAPM_MUX("RX1 MIX1 INP1", SND_SOC_NOPM, 0, 0,
750			 &rx_mix1_inp1_mux),
751	SND_SOC_DAPM_MUX("RX1 MIX1 INP2", SND_SOC_NOPM, 0, 0,
752			 &rx_mix1_inp2_mux),
753	SND_SOC_DAPM_MUX("RX1 MIX1 INP3", SND_SOC_NOPM, 0, 0,
754			 &rx_mix1_inp3_mux),
755	SND_SOC_DAPM_MUX("RX2 MIX1 INP1", SND_SOC_NOPM, 0, 0,
756			 &rx2_mix1_inp1_mux),
757	SND_SOC_DAPM_MUX("RX2 MIX1 INP2", SND_SOC_NOPM, 0, 0,
758			 &rx2_mix1_inp2_mux),
759	SND_SOC_DAPM_MUX("RX2 MIX1 INP3", SND_SOC_NOPM, 0, 0,
760			 &rx2_mix1_inp3_mux),
761	SND_SOC_DAPM_MUX("RX3 MIX1 INP1", SND_SOC_NOPM, 0, 0,
762			 &rx3_mix1_inp1_mux),
763	SND_SOC_DAPM_MUX("RX3 MIX1 INP2", SND_SOC_NOPM, 0, 0,
764			 &rx3_mix1_inp2_mux),
765	SND_SOC_DAPM_MUX("RX3 MIX1 INP3", SND_SOC_NOPM, 0, 0,
766			 &rx3_mix1_inp3_mux),
767	SND_SOC_DAPM_MUX("RX1 MIX2 INP1", SND_SOC_NOPM, 0, 0,
768			 &rx1_mix2_inp1_mux),
769	SND_SOC_DAPM_MUX("RX2 MIX2 INP1", SND_SOC_NOPM, 0, 0,
770			 &rx2_mix2_inp1_mux),
771
772	SND_SOC_DAPM_MUX("CIC1 MUX", SND_SOC_NOPM, 0, 0, &cic1_mux),
773	SND_SOC_DAPM_MUX("CIC2 MUX", SND_SOC_NOPM, 0, 0, &cic2_mux),
774	/* TX */
775	SND_SOC_DAPM_MIXER("ADC1", SND_SOC_NOPM, 0, 0, NULL, 0),
776	SND_SOC_DAPM_MIXER("ADC2", SND_SOC_NOPM, 0, 0, NULL, 0),
777	SND_SOC_DAPM_MIXER("ADC3", SND_SOC_NOPM, 0, 0, NULL, 0),
778
779	SND_SOC_DAPM_MUX_E("DEC1 MUX", LPASS_CDC_CLK_TX_CLK_EN_B1_CTL, 0, 0,
780			   &dec1_mux, msm8916_wcd_digital_enable_dec,
781			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
782			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
783	SND_SOC_DAPM_MUX_E("DEC2 MUX", LPASS_CDC_CLK_TX_CLK_EN_B1_CTL, 1, 0,
784			   &dec2_mux, msm8916_wcd_digital_enable_dec,
785			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
786			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
787	SND_SOC_DAPM_AIF_OUT("I2S TX1", NULL, 0, SND_SOC_NOPM, 0, 0),
788	SND_SOC_DAPM_AIF_OUT("I2S TX2", NULL, 0, SND_SOC_NOPM, 0, 0),
789	SND_SOC_DAPM_AIF_OUT("I2S TX3", NULL, 0, SND_SOC_NOPM, 0, 0),
790
791	/* Digital Mic Inputs */
792	SND_SOC_DAPM_ADC_E("DMIC1", NULL, SND_SOC_NOPM, 0, 0,
793			   msm8916_wcd_digital_enable_dmic,
794			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
795	SND_SOC_DAPM_ADC_E("DMIC2", NULL, SND_SOC_NOPM, 0, 0,
796			   msm8916_wcd_digital_enable_dmic,
797			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
798	SND_SOC_DAPM_SUPPLY("DMIC_CLK", LPASS_CDC_CLK_DMIC_B1_CTL, 0, 0,
799			    NULL, 0),
800	SND_SOC_DAPM_SUPPLY("RX_I2S_CLK", LPASS_CDC_CLK_RX_I2S_CTL,
801			    4, 0, NULL, 0),
802	SND_SOC_DAPM_SUPPLY("TX_I2S_CLK", LPASS_CDC_CLK_TX_I2S_CTL, 4, 0,
803			    NULL, 0),
804
805	SND_SOC_DAPM_SUPPLY("MCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
806	SND_SOC_DAPM_SUPPLY("PDM_CLK", LPASS_CDC_CLK_PDM_CTL, 0, 0, NULL, 0),
807	/* Connectivity Clock */
808	SND_SOC_DAPM_SUPPLY_S("CDC_CONN", -2, LPASS_CDC_CLK_OTHR_CTL, 2, 0,
809			      NULL, 0),
810	SND_SOC_DAPM_MIC("Digital Mic1", NULL),
811	SND_SOC_DAPM_MIC("Digital Mic2", NULL),
812
813	/* Sidetone */
814	SND_SOC_DAPM_MUX("IIR1 INP1 MUX", SND_SOC_NOPM, 0, 0, &iir1_inp1_mux),
815	SND_SOC_DAPM_PGA_E("IIR1", LPASS_CDC_CLK_SD_CTL, 0, 0, NULL, 0,
816		msm8x16_wcd_codec_set_iir_gain, SND_SOC_DAPM_POST_PMU),
817
818	SND_SOC_DAPM_MUX("IIR2 INP1 MUX", SND_SOC_NOPM, 0, 0, &iir2_inp1_mux),
819	SND_SOC_DAPM_PGA_E("IIR2", LPASS_CDC_CLK_SD_CTL, 1, 0, NULL, 0,
820		msm8x16_wcd_codec_set_iir_gain, SND_SOC_DAPM_POST_PMU),
821
822};
823
824static int msm8916_wcd_digital_get_clks(struct platform_device *pdev,
825					struct msm8916_wcd_digital_priv	*priv)
826{
827	struct device *dev = &pdev->dev;
828
829	priv->ahbclk = devm_clk_get(dev, "ahbix-clk");
830	if (IS_ERR(priv->ahbclk)) {
831		dev_err(dev, "failed to get ahbix clk\n");
832		return PTR_ERR(priv->ahbclk);
833	}
834
835	priv->mclk = devm_clk_get(dev, "mclk");
836	if (IS_ERR(priv->mclk)) {
837		dev_err(dev, "failed to get mclk\n");
838		return PTR_ERR(priv->mclk);
839	}
840
841	return 0;
842}
843
844static int msm8916_wcd_digital_component_probe(struct snd_soc_component *component)
845{
846	struct msm8916_wcd_digital_priv *priv = dev_get_drvdata(component->dev);
847
848	snd_soc_component_set_drvdata(component, priv);
849
850	return 0;
851}
852
853static int msm8916_wcd_digital_component_set_sysclk(struct snd_soc_component *component,
854						int clk_id, int source,
855						unsigned int freq, int dir)
856{
857	struct msm8916_wcd_digital_priv *p = dev_get_drvdata(component->dev);
858
859	return clk_set_rate(p->mclk, freq);
860}
861
862static int msm8916_wcd_digital_hw_params(struct snd_pcm_substream *substream,
863					 struct snd_pcm_hw_params *params,
864					 struct snd_soc_dai *dai)
865{
866	u8 tx_fs_rate;
867	u8 rx_fs_rate;
868
869	switch (params_rate(params)) {
870	case 8000:
871		tx_fs_rate = TX_I2S_CTL_TX_I2S_FS_RATE_F_8_KHZ;
872		rx_fs_rate = RX_I2S_CTL_RX_I2S_FS_RATE_F_8_KHZ;
873		break;
874	case 16000:
875		tx_fs_rate = TX_I2S_CTL_TX_I2S_FS_RATE_F_16_KHZ;
876		rx_fs_rate = RX_I2S_CTL_RX_I2S_FS_RATE_F_16_KHZ;
877		break;
878	case 32000:
879		tx_fs_rate = TX_I2S_CTL_TX_I2S_FS_RATE_F_32_KHZ;
880		rx_fs_rate = RX_I2S_CTL_RX_I2S_FS_RATE_F_32_KHZ;
881		break;
882	case 48000:
883		tx_fs_rate = TX_I2S_CTL_TX_I2S_FS_RATE_F_48_KHZ;
884		rx_fs_rate = RX_I2S_CTL_RX_I2S_FS_RATE_F_48_KHZ;
885		break;
886	default:
887		dev_err(dai->component->dev, "Invalid sampling rate %d\n",
888			params_rate(params));
889		return -EINVAL;
890	}
891
892	switch (substream->stream) {
893	case SNDRV_PCM_STREAM_CAPTURE:
894		snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_TX_I2S_CTL,
895				    TX_I2S_CTL_TX_I2S_FS_RATE_MASK, tx_fs_rate);
896		break;
897	case SNDRV_PCM_STREAM_PLAYBACK:
898		snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_RX_I2S_CTL,
899				    RX_I2S_CTL_RX_I2S_FS_RATE_MASK, rx_fs_rate);
900		break;
901	default:
902		return -EINVAL;
903	}
904
905	switch (params_format(params)) {
906	case SNDRV_PCM_FORMAT_S16_LE:
907		snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_TX_I2S_CTL,
908				    TX_I2S_CTL_TX_I2S_MODE_MASK,
909				    TX_I2S_CTL_TX_I2S_MODE_16);
910		snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_RX_I2S_CTL,
911				    RX_I2S_CTL_RX_I2S_MODE_MASK,
912				    RX_I2S_CTL_RX_I2S_MODE_16);
913		break;
914
915	case SNDRV_PCM_FORMAT_S32_LE:
916		snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_TX_I2S_CTL,
917				    TX_I2S_CTL_TX_I2S_MODE_MASK,
918				    TX_I2S_CTL_TX_I2S_MODE_32);
919		snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_RX_I2S_CTL,
920				    RX_I2S_CTL_RX_I2S_MODE_MASK,
921				    RX_I2S_CTL_RX_I2S_MODE_32);
922		break;
923	default:
924		dev_err(dai->dev, "%s: wrong format selected\n", __func__);
925		return -EINVAL;
926	}
927
928	return 0;
929}
930
931static const struct snd_soc_dapm_route msm8916_wcd_digital_audio_map[] = {
932
933	{"I2S RX1",  NULL, "AIF1 Playback"},
934	{"I2S RX2",  NULL, "AIF1 Playback"},
935	{"I2S RX3",  NULL, "AIF1 Playback"},
936
937	{"AIF1 Capture", NULL, "I2S TX1"},
938	{"AIF1 Capture", NULL, "I2S TX2"},
939	{"AIF1 Capture", NULL, "I2S TX3"},
940
941	{"CIC1 MUX", "DMIC", "DEC1 MUX"},
942	{"CIC1 MUX", "AMIC", "DEC1 MUX"},
943	{"CIC2 MUX", "DMIC", "DEC2 MUX"},
944	{"CIC2 MUX", "AMIC", "DEC2 MUX"},
945
946	/* Decimator Inputs */
947	{"DEC1 MUX", "DMIC1", "DMIC1"},
948	{"DEC1 MUX", "DMIC2", "DMIC2"},
949	{"DEC1 MUX", "ADC1", "ADC1"},
950	{"DEC1 MUX", "ADC2", "ADC2"},
951	{"DEC1 MUX", "ADC3", "ADC3"},
952	{"DEC1 MUX", NULL, "CDC_CONN"},
953
954	{"DEC2 MUX", "DMIC1", "DMIC1"},
955	{"DEC2 MUX", "DMIC2", "DMIC2"},
956	{"DEC2 MUX", "ADC1", "ADC1"},
957	{"DEC2 MUX", "ADC2", "ADC2"},
958	{"DEC2 MUX", "ADC3", "ADC3"},
959	{"DEC2 MUX", NULL, "CDC_CONN"},
960
961	{"DMIC1", NULL, "DMIC_CLK"},
962	{"DMIC2", NULL, "DMIC_CLK"},
963
964	{"I2S TX1", NULL, "CIC1 MUX"},
965	{"I2S TX2", NULL, "CIC2 MUX"},
966
967	{"I2S TX1", NULL, "TX_I2S_CLK"},
968	{"I2S TX2", NULL, "TX_I2S_CLK"},
969
970	{"TX_I2S_CLK", NULL, "MCLK"},
971	{"TX_I2S_CLK", NULL, "PDM_CLK"},
972
973	{"ADC1", NULL, "LPASS_PDM_TX"},
974	{"ADC2", NULL, "LPASS_PDM_TX"},
975	{"ADC3", NULL, "LPASS_PDM_TX"},
976
977	{"I2S RX1", NULL, "RX_I2S_CLK"},
978	{"I2S RX2", NULL, "RX_I2S_CLK"},
979	{"I2S RX3", NULL, "RX_I2S_CLK"},
980
981	{"RX_I2S_CLK", NULL, "PDM_CLK"},
982	{"RX_I2S_CLK", NULL, "MCLK"},
983	{"RX_I2S_CLK", NULL, "CDC_CONN"},
984
985	/* RX1 PATH.. */
986	{"PDM_RX1", NULL, "RX1 INT"},
987	{"RX1 INT", NULL, "RX1 MIX1"},
988
989	{"RX1 MIX1", NULL, "RX1 MIX1 INP1"},
990	{"RX1 MIX1", NULL, "RX1 MIX1 INP2"},
991	{"RX1 MIX1", NULL, "RX1 MIX1 INP3"},
992
993	{"RX1 MIX1 INP1", "RX1", "I2S RX1"},
994	{"RX1 MIX1 INP1", "RX2", "I2S RX2"},
995	{"RX1 MIX1 INP1", "RX3", "I2S RX3"},
996	{"RX1 MIX1 INP1", "IIR1", "IIR1"},
997	{"RX1 MIX1 INP1", "IIR2", "IIR2"},
998
999	{"RX1 MIX1 INP2", "RX1", "I2S RX1"},
1000	{"RX1 MIX1 INP2", "RX2", "I2S RX2"},
1001	{"RX1 MIX1 INP2", "RX3", "I2S RX3"},
1002	{"RX1 MIX1 INP2", "IIR1", "IIR1"},
1003	{"RX1 MIX1 INP2", "IIR2", "IIR2"},
1004
1005	{"RX1 MIX1 INP3", "RX1", "I2S RX1"},
1006	{"RX1 MIX1 INP3", "RX2", "I2S RX2"},
1007	{"RX1 MIX1 INP3", "RX3", "I2S RX3"},
1008
1009	/* RX2 PATH */
1010	{"PDM_RX2", NULL, "RX2 INT"},
1011	{"RX2 INT", NULL, "RX2 MIX1"},
1012
1013	{"RX2 MIX1", NULL, "RX2 MIX1 INP1"},
1014	{"RX2 MIX1", NULL, "RX2 MIX1 INP2"},
1015	{"RX2 MIX1", NULL, "RX2 MIX1 INP3"},
1016
1017	{"RX2 MIX1 INP1", "RX1", "I2S RX1"},
1018	{"RX2 MIX1 INP1", "RX2", "I2S RX2"},
1019	{"RX2 MIX1 INP1", "RX3", "I2S RX3"},
1020	{"RX2 MIX1 INP1", "IIR1", "IIR1"},
1021	{"RX2 MIX1 INP1", "IIR2", "IIR2"},
1022
1023	{"RX2 MIX1 INP2", "RX1", "I2S RX1"},
1024	{"RX2 MIX1 INP2", "RX2", "I2S RX2"},
1025	{"RX2 MIX1 INP2", "RX3", "I2S RX3"},
1026	{"RX2 MIX1 INP1", "IIR1", "IIR1"},
1027	{"RX2 MIX1 INP1", "IIR2", "IIR2"},
1028
1029	{"RX2 MIX1 INP3", "RX1", "I2S RX1"},
1030	{"RX2 MIX1 INP3", "RX2", "I2S RX2"},
1031	{"RX2 MIX1 INP3", "RX3", "I2S RX3"},
1032
1033	/* RX3 PATH */
1034	{"PDM_RX3", NULL, "RX3 INT"},
1035	{"RX3 INT", NULL, "RX3 MIX1"},
1036
1037	{"RX3 MIX1", NULL, "RX3 MIX1 INP1"},
1038	{"RX3 MIX1", NULL, "RX3 MIX1 INP2"},
1039	{"RX3 MIX1", NULL, "RX3 MIX1 INP3"},
1040
1041	{"RX3 MIX1 INP1", "RX1", "I2S RX1"},
1042	{"RX3 MIX1 INP1", "RX2", "I2S RX2"},
1043	{"RX3 MIX1 INP1", "RX3", "I2S RX3"},
1044	{"RX3 MIX1 INP1", "IIR1", "IIR1"},
1045	{"RX3 MIX1 INP1", "IIR2", "IIR2"},
1046
1047	{"RX3 MIX1 INP2", "RX1", "I2S RX1"},
1048	{"RX3 MIX1 INP2", "RX2", "I2S RX2"},
1049	{"RX3 MIX1 INP2", "RX3", "I2S RX3"},
1050	{"RX3 MIX1 INP2", "IIR1", "IIR1"},
1051	{"RX3 MIX1 INP2", "IIR2", "IIR2"},
1052
1053	{"RX1 MIX2 INP1", "IIR1", "IIR1"},
1054	{"RX2 MIX2 INP1", "IIR1", "IIR1"},
1055	{"RX1 MIX2 INP1", "IIR2", "IIR2"},
1056	{"RX2 MIX2 INP1", "IIR2", "IIR2"},
1057
1058	{"IIR1", NULL, "IIR1 INP1 MUX"},
1059	{"IIR1 INP1 MUX", "DEC1", "DEC1 MUX"},
1060	{"IIR1 INP1 MUX", "DEC2", "DEC2 MUX"},
1061
1062	{"IIR2", NULL, "IIR2 INP1 MUX"},
1063	{"IIR2 INP1 MUX", "DEC1", "DEC1 MUX"},
1064	{"IIR2 INP1 MUX", "DEC2", "DEC2 MUX"},
1065
1066	{"RX3 MIX1 INP3", "RX1", "I2S RX1"},
1067	{"RX3 MIX1 INP3", "RX2", "I2S RX2"},
1068	{"RX3 MIX1 INP3", "RX3", "I2S RX3"},
1069
1070};
1071
1072static int msm8916_wcd_digital_startup(struct snd_pcm_substream *substream,
1073				       struct snd_soc_dai *dai)
1074{
1075	struct snd_soc_component *component = dai->component;
1076	struct msm8916_wcd_digital_priv *msm8916_wcd;
1077	unsigned long mclk_rate;
1078
1079	msm8916_wcd = snd_soc_component_get_drvdata(component);
1080	snd_soc_component_update_bits(component, LPASS_CDC_CLK_MCLK_CTL,
1081			    MCLK_CTL_MCLK_EN_MASK,
1082			    MCLK_CTL_MCLK_EN_ENABLE);
1083	snd_soc_component_update_bits(component, LPASS_CDC_CLK_PDM_CTL,
1084			    LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_MASK,
1085			    LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_FB);
1086
1087	mclk_rate = clk_get_rate(msm8916_wcd->mclk);
1088	switch (mclk_rate) {
1089	case 12288000:
1090		snd_soc_component_update_bits(component, LPASS_CDC_TOP_CTL,
1091				    TOP_CTL_DIG_MCLK_FREQ_MASK,
1092				    TOP_CTL_DIG_MCLK_FREQ_F_12_288MHZ);
1093		break;
1094	case 9600000:
1095		snd_soc_component_update_bits(component, LPASS_CDC_TOP_CTL,
1096				    TOP_CTL_DIG_MCLK_FREQ_MASK,
1097				    TOP_CTL_DIG_MCLK_FREQ_F_9_6MHZ);
1098		break;
1099	default:
1100		dev_err(component->dev, "Invalid mclk rate %ld\n", mclk_rate);
1101		break;
1102	}
1103	return 0;
1104}
1105
1106static void msm8916_wcd_digital_shutdown(struct snd_pcm_substream *substream,
1107					 struct snd_soc_dai *dai)
1108{
1109	snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_PDM_CTL,
1110			    LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_MASK, 0);
1111}
1112
1113static const struct snd_soc_dai_ops msm8916_wcd_digital_dai_ops = {
1114	.startup = msm8916_wcd_digital_startup,
1115	.shutdown = msm8916_wcd_digital_shutdown,
1116	.hw_params = msm8916_wcd_digital_hw_params,
1117};
1118
1119static struct snd_soc_dai_driver msm8916_wcd_digital_dai[] = {
1120	[0] = {
1121	       .name = "msm8916_wcd_digital_i2s_rx1",
1122	       .id = 0,
1123	       .playback = {
1124			    .stream_name = "AIF1 Playback",
1125			    .rates = MSM8916_WCD_DIGITAL_RATES,
1126			    .formats = MSM8916_WCD_DIGITAL_FORMATS,
1127			    .channels_min = 1,
1128			    .channels_max = 3,
1129			    },
1130	       .ops = &msm8916_wcd_digital_dai_ops,
1131	       },
1132	[1] = {
1133	       .name = "msm8916_wcd_digital_i2s_tx1",
1134	       .id = 1,
1135	       .capture = {
1136			   .stream_name = "AIF1 Capture",
1137			   .rates = MSM8916_WCD_DIGITAL_RATES,
1138			   .formats = MSM8916_WCD_DIGITAL_FORMATS,
1139			   .channels_min = 1,
1140			   .channels_max = 4,
1141			   },
1142	       .ops = &msm8916_wcd_digital_dai_ops,
1143	       },
1144};
1145
1146static const struct snd_soc_component_driver msm8916_wcd_digital = {
1147	.probe			= msm8916_wcd_digital_component_probe,
1148	.set_sysclk		= msm8916_wcd_digital_component_set_sysclk,
1149	.controls		= msm8916_wcd_digital_snd_controls,
1150	.num_controls		= ARRAY_SIZE(msm8916_wcd_digital_snd_controls),
1151	.dapm_widgets		= msm8916_wcd_digital_dapm_widgets,
1152	.num_dapm_widgets	= ARRAY_SIZE(msm8916_wcd_digital_dapm_widgets),
1153	.dapm_routes		= msm8916_wcd_digital_audio_map,
1154	.num_dapm_routes	= ARRAY_SIZE(msm8916_wcd_digital_audio_map),
1155	.idle_bias_on		= 1,
1156	.use_pmdown_time	= 1,
1157	.endianness		= 1,
1158};
1159
1160static const struct regmap_config msm8916_codec_regmap_config = {
1161	.reg_bits = 32,
1162	.reg_stride = 4,
1163	.val_bits = 32,
1164	.max_register = LPASS_CDC_TX2_DMIC_CTL,
1165	.cache_type = REGCACHE_FLAT,
1166};
1167
1168static int msm8916_wcd_digital_probe(struct platform_device *pdev)
1169{
1170	struct msm8916_wcd_digital_priv *priv;
1171	struct device *dev = &pdev->dev;
1172	void __iomem *base;
1173	struct regmap *digital_map;
1174	int ret;
1175
1176	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
1177	if (!priv)
1178		return -ENOMEM;
1179
1180	base = devm_platform_ioremap_resource(pdev, 0);
1181	if (IS_ERR(base))
1182		return PTR_ERR(base);
1183
1184	digital_map =
1185	    devm_regmap_init_mmio(&pdev->dev, base,
1186				  &msm8916_codec_regmap_config);
1187	if (IS_ERR(digital_map))
1188		return PTR_ERR(digital_map);
1189
1190	ret = msm8916_wcd_digital_get_clks(pdev, priv);
1191	if (ret < 0)
1192		return ret;
1193
1194	ret = clk_prepare_enable(priv->ahbclk);
1195	if (ret < 0) {
1196		dev_err(dev, "failed to enable ahbclk %d\n", ret);
1197		return ret;
1198	}
1199
1200	ret = clk_prepare_enable(priv->mclk);
1201	if (ret < 0) {
1202		dev_err(dev, "failed to enable mclk %d\n", ret);
1203		goto err_clk;
1204	}
1205
1206	dev_set_drvdata(dev, priv);
1207
1208	ret = devm_snd_soc_register_component(dev, &msm8916_wcd_digital,
1209				      msm8916_wcd_digital_dai,
1210				      ARRAY_SIZE(msm8916_wcd_digital_dai));
1211	if (ret)
1212		goto err_mclk;
1213
1214	return 0;
1215
1216err_mclk:
1217	clk_disable_unprepare(priv->mclk);
1218err_clk:
1219	clk_disable_unprepare(priv->ahbclk);
1220	return ret;
1221}
1222
1223static void msm8916_wcd_digital_remove(struct platform_device *pdev)
1224{
1225	struct msm8916_wcd_digital_priv *priv = dev_get_drvdata(&pdev->dev);
1226
1227	clk_disable_unprepare(priv->mclk);
1228	clk_disable_unprepare(priv->ahbclk);
1229}
1230
1231static const struct of_device_id msm8916_wcd_digital_match_table[] = {
1232	{ .compatible = "qcom,msm8916-wcd-digital-codec" },
1233	{ }
1234};
1235
1236MODULE_DEVICE_TABLE(of, msm8916_wcd_digital_match_table);
1237
1238static struct platform_driver msm8916_wcd_digital_driver = {
1239	.driver = {
1240		   .name = "msm8916-wcd-digital-codec",
1241		   .of_match_table = msm8916_wcd_digital_match_table,
1242	},
1243	.probe = msm8916_wcd_digital_probe,
1244	.remove_new = msm8916_wcd_digital_remove,
1245};
1246
1247module_platform_driver(msm8916_wcd_digital_driver);
1248
1249MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>");
1250MODULE_DESCRIPTION("MSM8916 WCD Digital Codec driver");
1251MODULE_LICENSE("GPL v2");
1252