1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2015-2017, The Linux Foundation.
3 // Copyright (c) 2019, Linaro Limited
4
5 #include <linux/bitops.h>
6 #include <linux/gpio.h>
7 #include <linux/gpio/consumer.h>
8 #include <linux/module.h>
9 #include <linux/regmap.h>
10 #include <linux/slab.h>
11 #include <linux/pm_runtime.h>
12 #include <linux/soundwire/sdw.h>
13 #include <linux/soundwire/sdw_registers.h>
14 #include <linux/soundwire/sdw_type.h>
15 #include <sound/soc.h>
16 #include <sound/tlv.h>
17
18 #define WSA881X_DIGITAL_BASE 0x3000
19 #define WSA881X_ANALOG_BASE 0x3100
20
21 /* Digital register address space */
22 #define WSA881X_CHIP_ID0 (WSA881X_DIGITAL_BASE + 0x0000)
23 #define WSA881X_CHIP_ID1 (WSA881X_DIGITAL_BASE + 0x0001)
24 #define WSA881X_CHIP_ID2 (WSA881X_DIGITAL_BASE + 0x0002)
25 #define WSA881X_CHIP_ID3 (WSA881X_DIGITAL_BASE + 0x0003)
26 #define WSA881X_BUS_ID (WSA881X_DIGITAL_BASE + 0x0004)
27 #define WSA881X_CDC_RST_CTL (WSA881X_DIGITAL_BASE + 0x0005)
28 #define WSA881X_CDC_TOP_CLK_CTL (WSA881X_DIGITAL_BASE + 0x0006)
29 #define WSA881X_CDC_ANA_CLK_CTL (WSA881X_DIGITAL_BASE + 0x0007)
30 #define WSA881X_CDC_DIG_CLK_CTL (WSA881X_DIGITAL_BASE + 0x0008)
31 #define WSA881X_CLOCK_CONFIG (WSA881X_DIGITAL_BASE + 0x0009)
32 #define WSA881X_ANA_CTL (WSA881X_DIGITAL_BASE + 0x000A)
33 #define WSA881X_SWR_RESET_EN (WSA881X_DIGITAL_BASE + 0x000B)
34 #define WSA881X_RESET_CTL (WSA881X_DIGITAL_BASE + 0x000C)
35 #define WSA881X_TADC_VALUE_CTL (WSA881X_DIGITAL_BASE + 0x000F)
36 #define WSA881X_TEMP_DETECT_CTL (WSA881X_DIGITAL_BASE + 0x0010)
37 #define WSA881X_TEMP_MSB (WSA881X_DIGITAL_BASE + 0x0011)
38 #define WSA881X_TEMP_LSB (WSA881X_DIGITAL_BASE + 0x0012)
39 #define WSA881X_TEMP_CONFIG0 (WSA881X_DIGITAL_BASE + 0x0013)
40 #define WSA881X_TEMP_CONFIG1 (WSA881X_DIGITAL_BASE + 0x0014)
41 #define WSA881X_CDC_CLIP_CTL (WSA881X_DIGITAL_BASE + 0x0015)
42 #define WSA881X_SDM_PDM9_LSB (WSA881X_DIGITAL_BASE + 0x0016)
43 #define WSA881X_SDM_PDM9_MSB (WSA881X_DIGITAL_BASE + 0x0017)
44 #define WSA881X_CDC_RX_CTL (WSA881X_DIGITAL_BASE + 0x0018)
45 #define WSA881X_DEM_BYPASS_DATA0 (WSA881X_DIGITAL_BASE + 0x0019)
46 #define WSA881X_DEM_BYPASS_DATA1 (WSA881X_DIGITAL_BASE + 0x001A)
47 #define WSA881X_DEM_BYPASS_DATA2 (WSA881X_DIGITAL_BASE + 0x001B)
48 #define WSA881X_DEM_BYPASS_DATA3 (WSA881X_DIGITAL_BASE + 0x001C)
49 #define WSA881X_OTP_CTRL0 (WSA881X_DIGITAL_BASE + 0x001D)
50 #define WSA881X_OTP_CTRL1 (WSA881X_DIGITAL_BASE + 0x001E)
51 #define WSA881X_HDRIVE_CTL_GROUP1 (WSA881X_DIGITAL_BASE + 0x001F)
52 #define WSA881X_INTR_MODE (WSA881X_DIGITAL_BASE + 0x0020)
53 #define WSA881X_INTR_MASK (WSA881X_DIGITAL_BASE + 0x0021)
54 #define WSA881X_INTR_STATUS (WSA881X_DIGITAL_BASE + 0x0022)
55 #define WSA881X_INTR_CLEAR (WSA881X_DIGITAL_BASE + 0x0023)
56 #define WSA881X_INTR_LEVEL (WSA881X_DIGITAL_BASE + 0x0024)
57 #define WSA881X_INTR_SET (WSA881X_DIGITAL_BASE + 0x0025)
58 #define WSA881X_INTR_TEST (WSA881X_DIGITAL_BASE + 0x0026)
59 #define WSA881X_PDM_TEST_MODE (WSA881X_DIGITAL_BASE + 0x0030)
60 #define WSA881X_ATE_TEST_MODE (WSA881X_DIGITAL_BASE + 0x0031)
61 #define WSA881X_PIN_CTL_MODE (WSA881X_DIGITAL_BASE + 0x0032)
62 #define WSA881X_PIN_CTL_OE (WSA881X_DIGITAL_BASE + 0x0033)
63 #define WSA881X_PIN_WDATA_IOPAD (WSA881X_DIGITAL_BASE + 0x0034)
64 #define WSA881X_PIN_STATUS (WSA881X_DIGITAL_BASE + 0x0035)
65 #define WSA881X_DIG_DEBUG_MODE (WSA881X_DIGITAL_BASE + 0x0037)
66 #define WSA881X_DIG_DEBUG_SEL (WSA881X_DIGITAL_BASE + 0x0038)
67 #define WSA881X_DIG_DEBUG_EN (WSA881X_DIGITAL_BASE + 0x0039)
68 #define WSA881X_SWR_HM_TEST1 (WSA881X_DIGITAL_BASE + 0x003B)
69 #define WSA881X_SWR_HM_TEST2 (WSA881X_DIGITAL_BASE + 0x003C)
70 #define WSA881X_TEMP_DETECT_DBG_CTL (WSA881X_DIGITAL_BASE + 0x003D)
71 #define WSA881X_TEMP_DEBUG_MSB (WSA881X_DIGITAL_BASE + 0x003E)
72 #define WSA881X_TEMP_DEBUG_LSB (WSA881X_DIGITAL_BASE + 0x003F)
73 #define WSA881X_SAMPLE_EDGE_SEL (WSA881X_DIGITAL_BASE + 0x0044)
74 #define WSA881X_IOPAD_CTL (WSA881X_DIGITAL_BASE + 0x0045)
75 #define WSA881X_SPARE_0 (WSA881X_DIGITAL_BASE + 0x0050)
76 #define WSA881X_SPARE_1 (WSA881X_DIGITAL_BASE + 0x0051)
77 #define WSA881X_SPARE_2 (WSA881X_DIGITAL_BASE + 0x0052)
78 #define WSA881X_OTP_REG_0 (WSA881X_DIGITAL_BASE + 0x0080)
79 #define WSA881X_OTP_REG_1 (WSA881X_DIGITAL_BASE + 0x0081)
80 #define WSA881X_OTP_REG_2 (WSA881X_DIGITAL_BASE + 0x0082)
81 #define WSA881X_OTP_REG_3 (WSA881X_DIGITAL_BASE + 0x0083)
82 #define WSA881X_OTP_REG_4 (WSA881X_DIGITAL_BASE + 0x0084)
83 #define WSA881X_OTP_REG_5 (WSA881X_DIGITAL_BASE + 0x0085)
84 #define WSA881X_OTP_REG_6 (WSA881X_DIGITAL_BASE + 0x0086)
85 #define WSA881X_OTP_REG_7 (WSA881X_DIGITAL_BASE + 0x0087)
86 #define WSA881X_OTP_REG_8 (WSA881X_DIGITAL_BASE + 0x0088)
87 #define WSA881X_OTP_REG_9 (WSA881X_DIGITAL_BASE + 0x0089)
88 #define WSA881X_OTP_REG_10 (WSA881X_DIGITAL_BASE + 0x008A)
89 #define WSA881X_OTP_REG_11 (WSA881X_DIGITAL_BASE + 0x008B)
90 #define WSA881X_OTP_REG_12 (WSA881X_DIGITAL_BASE + 0x008C)
91 #define WSA881X_OTP_REG_13 (WSA881X_DIGITAL_BASE + 0x008D)
92 #define WSA881X_OTP_REG_14 (WSA881X_DIGITAL_BASE + 0x008E)
93 #define WSA881X_OTP_REG_15 (WSA881X_DIGITAL_BASE + 0x008F)
94 #define WSA881X_OTP_REG_16 (WSA881X_DIGITAL_BASE + 0x0090)
95 #define WSA881X_OTP_REG_17 (WSA881X_DIGITAL_BASE + 0x0091)
96 #define WSA881X_OTP_REG_18 (WSA881X_DIGITAL_BASE + 0x0092)
97 #define WSA881X_OTP_REG_19 (WSA881X_DIGITAL_BASE + 0x0093)
98 #define WSA881X_OTP_REG_20 (WSA881X_DIGITAL_BASE + 0x0094)
99 #define WSA881X_OTP_REG_21 (WSA881X_DIGITAL_BASE + 0x0095)
100 #define WSA881X_OTP_REG_22 (WSA881X_DIGITAL_BASE + 0x0096)
101 #define WSA881X_OTP_REG_23 (WSA881X_DIGITAL_BASE + 0x0097)
102 #define WSA881X_OTP_REG_24 (WSA881X_DIGITAL_BASE + 0x0098)
103 #define WSA881X_OTP_REG_25 (WSA881X_DIGITAL_BASE + 0x0099)
104 #define WSA881X_OTP_REG_26 (WSA881X_DIGITAL_BASE + 0x009A)
105 #define WSA881X_OTP_REG_27 (WSA881X_DIGITAL_BASE + 0x009B)
106 #define WSA881X_OTP_REG_28 (WSA881X_DIGITAL_BASE + 0x009C)
107 #define WSA881X_OTP_REG_29 (WSA881X_DIGITAL_BASE + 0x009D)
108 #define WSA881X_OTP_REG_30 (WSA881X_DIGITAL_BASE + 0x009E)
109 #define WSA881X_OTP_REG_31 (WSA881X_DIGITAL_BASE + 0x009F)
110 #define WSA881X_OTP_REG_63 (WSA881X_DIGITAL_BASE + 0x00BF)
111
112 /* Analog Register address space */
113 #define WSA881X_BIAS_REF_CTRL (WSA881X_ANALOG_BASE + 0x0000)
114 #define WSA881X_BIAS_TEST (WSA881X_ANALOG_BASE + 0x0001)
115 #define WSA881X_BIAS_BIAS (WSA881X_ANALOG_BASE + 0x0002)
116 #define WSA881X_TEMP_OP (WSA881X_ANALOG_BASE + 0x0003)
117 #define WSA881X_TEMP_IREF_CTRL (WSA881X_ANALOG_BASE + 0x0004)
118 #define WSA881X_TEMP_ISENS_CTRL (WSA881X_ANALOG_BASE + 0x0005)
119 #define WSA881X_TEMP_CLK_CTRL (WSA881X_ANALOG_BASE + 0x0006)
120 #define WSA881X_TEMP_TEST (WSA881X_ANALOG_BASE + 0x0007)
121 #define WSA881X_TEMP_BIAS (WSA881X_ANALOG_BASE + 0x0008)
122 #define WSA881X_TEMP_ADC_CTRL (WSA881X_ANALOG_BASE + 0x0009)
123 #define WSA881X_TEMP_DOUT_MSB (WSA881X_ANALOG_BASE + 0x000A)
124 #define WSA881X_TEMP_DOUT_LSB (WSA881X_ANALOG_BASE + 0x000B)
125 #define WSA881X_ADC_EN_MODU_V (WSA881X_ANALOG_BASE + 0x0010)
126 #define WSA881X_ADC_EN_MODU_I (WSA881X_ANALOG_BASE + 0x0011)
127 #define WSA881X_ADC_EN_DET_TEST_V (WSA881X_ANALOG_BASE + 0x0012)
128 #define WSA881X_ADC_EN_DET_TEST_I (WSA881X_ANALOG_BASE + 0x0013)
129 #define WSA881X_ADC_SEL_IBIAS (WSA881X_ANALOG_BASE + 0x0014)
130 #define WSA881X_ADC_EN_SEL_IBAIS (WSA881X_ANALOG_BASE + 0x0015)
131 #define WSA881X_SPKR_DRV_EN (WSA881X_ANALOG_BASE + 0x001A)
132 #define WSA881X_SPKR_DRV_GAIN (WSA881X_ANALOG_BASE + 0x001B)
133 #define WSA881X_PA_GAIN_SEL_MASK BIT(3)
134 #define WSA881X_PA_GAIN_SEL_REG BIT(3)
135 #define WSA881X_PA_GAIN_SEL_DRE 0
136 #define WSA881X_SPKR_PAG_GAIN_MASK GENMASK(7, 4)
137 #define WSA881X_SPKR_DAC_CTL (WSA881X_ANALOG_BASE + 0x001C)
138 #define WSA881X_SPKR_DRV_DBG (WSA881X_ANALOG_BASE + 0x001D)
139 #define WSA881X_SPKR_PWRSTG_DBG (WSA881X_ANALOG_BASE + 0x001E)
140 #define WSA881X_SPKR_OCP_CTL (WSA881X_ANALOG_BASE + 0x001F)
141 #define WSA881X_SPKR_OCP_MASK GENMASK(7, 6)
142 #define WSA881X_SPKR_OCP_EN BIT(7)
143 #define WSA881X_SPKR_OCP_HOLD BIT(6)
144 #define WSA881X_SPKR_CLIP_CTL (WSA881X_ANALOG_BASE + 0x0020)
145 #define WSA881X_SPKR_BBM_CTL (WSA881X_ANALOG_BASE + 0x0021)
146 #define WSA881X_SPKR_MISC_CTL1 (WSA881X_ANALOG_BASE + 0x0022)
147 #define WSA881X_SPKR_MISC_CTL2 (WSA881X_ANALOG_BASE + 0x0023)
148 #define WSA881X_SPKR_BIAS_INT (WSA881X_ANALOG_BASE + 0x0024)
149 #define WSA881X_SPKR_PA_INT (WSA881X_ANALOG_BASE + 0x0025)
150 #define WSA881X_SPKR_BIAS_CAL (WSA881X_ANALOG_BASE + 0x0026)
151 #define WSA881X_SPKR_BIAS_PSRR (WSA881X_ANALOG_BASE + 0x0027)
152 #define WSA881X_SPKR_STATUS1 (WSA881X_ANALOG_BASE + 0x0028)
153 #define WSA881X_SPKR_STATUS2 (WSA881X_ANALOG_BASE + 0x0029)
154 #define WSA881X_BOOST_EN_CTL (WSA881X_ANALOG_BASE + 0x002A)
155 #define WSA881X_BOOST_EN_MASK BIT(7)
156 #define WSA881X_BOOST_EN BIT(7)
157 #define WSA881X_BOOST_CURRENT_LIMIT (WSA881X_ANALOG_BASE + 0x002B)
158 #define WSA881X_BOOST_PS_CTL (WSA881X_ANALOG_BASE + 0x002C)
159 #define WSA881X_BOOST_PRESET_OUT1 (WSA881X_ANALOG_BASE + 0x002D)
160 #define WSA881X_BOOST_PRESET_OUT2 (WSA881X_ANALOG_BASE + 0x002E)
161 #define WSA881X_BOOST_FORCE_OUT (WSA881X_ANALOG_BASE + 0x002F)
162 #define WSA881X_BOOST_LDO_PROG (WSA881X_ANALOG_BASE + 0x0030)
163 #define WSA881X_BOOST_SLOPE_COMP_ISENSE_FB (WSA881X_ANALOG_BASE + 0x0031)
164 #define WSA881X_BOOST_RON_CTL (WSA881X_ANALOG_BASE + 0x0032)
165 #define WSA881X_BOOST_LOOP_STABILITY (WSA881X_ANALOG_BASE + 0x0033)
166 #define WSA881X_BOOST_ZX_CTL (WSA881X_ANALOG_BASE + 0x0034)
167 #define WSA881X_BOOST_START_CTL (WSA881X_ANALOG_BASE + 0x0035)
168 #define WSA881X_BOOST_MISC1_CTL (WSA881X_ANALOG_BASE + 0x0036)
169 #define WSA881X_BOOST_MISC2_CTL (WSA881X_ANALOG_BASE + 0x0037)
170 #define WSA881X_BOOST_MISC3_CTL (WSA881X_ANALOG_BASE + 0x0038)
171 #define WSA881X_BOOST_ATEST_CTL (WSA881X_ANALOG_BASE + 0x0039)
172 #define WSA881X_SPKR_PROT_FE_GAIN (WSA881X_ANALOG_BASE + 0x003A)
173 #define WSA881X_SPKR_PROT_FE_CM_LDO_SET (WSA881X_ANALOG_BASE + 0x003B)
174 #define WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET1 (WSA881X_ANALOG_BASE + 0x003C)
175 #define WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET2 (WSA881X_ANALOG_BASE + 0x003D)
176 #define WSA881X_SPKR_PROT_ATEST1 (WSA881X_ANALOG_BASE + 0x003E)
177 #define WSA881X_SPKR_PROT_ATEST2 (WSA881X_ANALOG_BASE + 0x003F)
178 #define WSA881X_SPKR_PROT_FE_VSENSE_VCM (WSA881X_ANALOG_BASE + 0x0040)
179 #define WSA881X_SPKR_PROT_FE_VSENSE_BIAS_SET1 (WSA881X_ANALOG_BASE + 0x0041)
180 #define WSA881X_BONGO_RESRV_REG1 (WSA881X_ANALOG_BASE + 0x0042)
181 #define WSA881X_BONGO_RESRV_REG2 (WSA881X_ANALOG_BASE + 0x0043)
182 #define WSA881X_SPKR_PROT_SAR (WSA881X_ANALOG_BASE + 0x0044)
183 #define WSA881X_SPKR_STATUS3 (WSA881X_ANALOG_BASE + 0x0045)
184
185 #define SWRS_SCP_FRAME_CTRL_BANK(m) (0x60 + 0x10 * (m))
186 #define SWRS_SCP_HOST_CLK_DIV2_CTL_BANK(m) (0xE0 + 0x10 * (m))
187 #define SWR_SLV_MAX_REG_ADDR 0x390
188 #define SWR_SLV_START_REG_ADDR 0x40
189 #define SWR_SLV_MAX_BUF_LEN 20
190 #define BYTES_PER_LINE 12
191 #define SWR_SLV_RD_BUF_LEN 8
192 #define SWR_SLV_WR_BUF_LEN 32
193 #define SWR_SLV_MAX_DEVICES 2
194 #define WSA881X_MAX_SWR_PORTS 4
195 #define WSA881X_VERSION_ENTRY_SIZE 27
196 #define WSA881X_OCP_CTL_TIMER_SEC 2
197 #define WSA881X_OCP_CTL_TEMP_CELSIUS 25
198 #define WSA881X_OCP_CTL_POLL_TIMER_SEC 60
199 #define WSA881X_PROBE_TIMEOUT 1000
200
201 #define WSA881X_PA_GAIN_TLV(xname, reg, shift, max, invert, tlv_array) \
202 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
203 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
204 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
205 .tlv.p = (tlv_array), \
206 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
207 .put = wsa881x_put_pa_gain, \
208 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
209
210 static struct reg_default wsa881x_defaults[] = {
211 { WSA881X_CHIP_ID0, 0x00 },
212 { WSA881X_CHIP_ID1, 0x00 },
213 { WSA881X_CHIP_ID2, 0x00 },
214 { WSA881X_CHIP_ID3, 0x02 },
215 { WSA881X_BUS_ID, 0x00 },
216 { WSA881X_CDC_RST_CTL, 0x00 },
217 { WSA881X_CDC_TOP_CLK_CTL, 0x03 },
218 { WSA881X_CDC_ANA_CLK_CTL, 0x00 },
219 { WSA881X_CDC_DIG_CLK_CTL, 0x00 },
220 { WSA881X_CLOCK_CONFIG, 0x00 },
221 { WSA881X_ANA_CTL, 0x08 },
222 { WSA881X_SWR_RESET_EN, 0x00 },
223 { WSA881X_TEMP_DETECT_CTL, 0x01 },
224 { WSA881X_TEMP_MSB, 0x00 },
225 { WSA881X_TEMP_LSB, 0x00 },
226 { WSA881X_TEMP_CONFIG0, 0x00 },
227 { WSA881X_TEMP_CONFIG1, 0x00 },
228 { WSA881X_CDC_CLIP_CTL, 0x03 },
229 { WSA881X_SDM_PDM9_LSB, 0x00 },
230 { WSA881X_SDM_PDM9_MSB, 0x00 },
231 { WSA881X_CDC_RX_CTL, 0x7E },
232 { WSA881X_DEM_BYPASS_DATA0, 0x00 },
233 { WSA881X_DEM_BYPASS_DATA1, 0x00 },
234 { WSA881X_DEM_BYPASS_DATA2, 0x00 },
235 { WSA881X_DEM_BYPASS_DATA3, 0x00 },
236 { WSA881X_OTP_CTRL0, 0x00 },
237 { WSA881X_OTP_CTRL1, 0x00 },
238 { WSA881X_HDRIVE_CTL_GROUP1, 0x00 },
239 { WSA881X_INTR_MODE, 0x00 },
240 { WSA881X_INTR_STATUS, 0x00 },
241 { WSA881X_INTR_CLEAR, 0x00 },
242 { WSA881X_INTR_LEVEL, 0x00 },
243 { WSA881X_INTR_SET, 0x00 },
244 { WSA881X_INTR_TEST, 0x00 },
245 { WSA881X_PDM_TEST_MODE, 0x00 },
246 { WSA881X_ATE_TEST_MODE, 0x00 },
247 { WSA881X_PIN_CTL_MODE, 0x00 },
248 { WSA881X_PIN_CTL_OE, 0x00 },
249 { WSA881X_PIN_WDATA_IOPAD, 0x00 },
250 { WSA881X_PIN_STATUS, 0x00 },
251 { WSA881X_DIG_DEBUG_MODE, 0x00 },
252 { WSA881X_DIG_DEBUG_SEL, 0x00 },
253 { WSA881X_DIG_DEBUG_EN, 0x00 },
254 { WSA881X_SWR_HM_TEST1, 0x08 },
255 { WSA881X_SWR_HM_TEST2, 0x00 },
256 { WSA881X_TEMP_DETECT_DBG_CTL, 0x00 },
257 { WSA881X_TEMP_DEBUG_MSB, 0x00 },
258 { WSA881X_TEMP_DEBUG_LSB, 0x00 },
259 { WSA881X_SAMPLE_EDGE_SEL, 0x0C },
260 { WSA881X_SPARE_0, 0x00 },
261 { WSA881X_SPARE_1, 0x00 },
262 { WSA881X_SPARE_2, 0x00 },
263 { WSA881X_OTP_REG_0, 0x01 },
264 { WSA881X_OTP_REG_1, 0xFF },
265 { WSA881X_OTP_REG_2, 0xC0 },
266 { WSA881X_OTP_REG_3, 0xFF },
267 { WSA881X_OTP_REG_4, 0xC0 },
268 { WSA881X_OTP_REG_5, 0xFF },
269 { WSA881X_OTP_REG_6, 0xFF },
270 { WSA881X_OTP_REG_7, 0xFF },
271 { WSA881X_OTP_REG_8, 0xFF },
272 { WSA881X_OTP_REG_9, 0xFF },
273 { WSA881X_OTP_REG_10, 0xFF },
274 { WSA881X_OTP_REG_11, 0xFF },
275 { WSA881X_OTP_REG_12, 0xFF },
276 { WSA881X_OTP_REG_13, 0xFF },
277 { WSA881X_OTP_REG_14, 0xFF },
278 { WSA881X_OTP_REG_15, 0xFF },
279 { WSA881X_OTP_REG_16, 0xFF },
280 { WSA881X_OTP_REG_17, 0xFF },
281 { WSA881X_OTP_REG_18, 0xFF },
282 { WSA881X_OTP_REG_19, 0xFF },
283 { WSA881X_OTP_REG_20, 0xFF },
284 { WSA881X_OTP_REG_21, 0xFF },
285 { WSA881X_OTP_REG_22, 0xFF },
286 { WSA881X_OTP_REG_23, 0xFF },
287 { WSA881X_OTP_REG_24, 0x03 },
288 { WSA881X_OTP_REG_25, 0x01 },
289 { WSA881X_OTP_REG_26, 0x03 },
290 { WSA881X_OTP_REG_27, 0x11 },
291 { WSA881X_OTP_REG_63, 0x40 },
292 /* WSA881x Analog registers */
293 { WSA881X_BIAS_REF_CTRL, 0x6C },
294 { WSA881X_BIAS_TEST, 0x16 },
295 { WSA881X_BIAS_BIAS, 0xF0 },
296 { WSA881X_TEMP_OP, 0x00 },
297 { WSA881X_TEMP_IREF_CTRL, 0x56 },
298 { WSA881X_TEMP_ISENS_CTRL, 0x47 },
299 { WSA881X_TEMP_CLK_CTRL, 0x87 },
300 { WSA881X_TEMP_TEST, 0x00 },
301 { WSA881X_TEMP_BIAS, 0x51 },
302 { WSA881X_TEMP_DOUT_MSB, 0x00 },
303 { WSA881X_TEMP_DOUT_LSB, 0x00 },
304 { WSA881X_ADC_EN_MODU_V, 0x00 },
305 { WSA881X_ADC_EN_MODU_I, 0x00 },
306 { WSA881X_ADC_EN_DET_TEST_V, 0x00 },
307 { WSA881X_ADC_EN_DET_TEST_I, 0x00 },
308 { WSA881X_ADC_EN_SEL_IBAIS, 0x10 },
309 { WSA881X_SPKR_DRV_EN, 0x74 },
310 { WSA881X_SPKR_DRV_DBG, 0x15 },
311 { WSA881X_SPKR_PWRSTG_DBG, 0x00 },
312 { WSA881X_SPKR_OCP_CTL, 0xD4 },
313 { WSA881X_SPKR_CLIP_CTL, 0x90 },
314 { WSA881X_SPKR_PA_INT, 0x54 },
315 { WSA881X_SPKR_BIAS_CAL, 0xAC },
316 { WSA881X_SPKR_STATUS1, 0x00 },
317 { WSA881X_SPKR_STATUS2, 0x00 },
318 { WSA881X_BOOST_EN_CTL, 0x18 },
319 { WSA881X_BOOST_CURRENT_LIMIT, 0x7A },
320 { WSA881X_BOOST_PRESET_OUT2, 0x70 },
321 { WSA881X_BOOST_FORCE_OUT, 0x0E },
322 { WSA881X_BOOST_LDO_PROG, 0x16 },
323 { WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, 0x71 },
324 { WSA881X_BOOST_RON_CTL, 0x0F },
325 { WSA881X_BOOST_ZX_CTL, 0x34 },
326 { WSA881X_BOOST_START_CTL, 0x23 },
327 { WSA881X_BOOST_MISC1_CTL, 0x80 },
328 { WSA881X_BOOST_MISC2_CTL, 0x00 },
329 { WSA881X_BOOST_MISC3_CTL, 0x00 },
330 { WSA881X_BOOST_ATEST_CTL, 0x00 },
331 { WSA881X_SPKR_PROT_FE_GAIN, 0x46 },
332 { WSA881X_SPKR_PROT_FE_CM_LDO_SET, 0x3B },
333 { WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET1, 0x8D },
334 { WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET2, 0x8D },
335 { WSA881X_SPKR_PROT_ATEST1, 0x01 },
336 { WSA881X_SPKR_PROT_FE_VSENSE_VCM, 0x8D },
337 { WSA881X_SPKR_PROT_FE_VSENSE_BIAS_SET1, 0x4D },
338 { WSA881X_SPKR_PROT_SAR, 0x00 },
339 { WSA881X_SPKR_STATUS3, 0x00 },
340 };
341
342 static const struct reg_sequence wsa881x_pre_pmu_pa_2_0[] = {
343 { WSA881X_SPKR_DRV_GAIN, 0x41, 0 },
344 { WSA881X_SPKR_MISC_CTL1, 0x87, 0 },
345 };
346
347 static const struct reg_sequence wsa881x_vi_txfe_en_2_0[] = {
348 { WSA881X_SPKR_PROT_FE_VSENSE_VCM, 0x85, 0 },
349 { WSA881X_SPKR_PROT_ATEST2, 0x0A, 0 },
350 { WSA881X_SPKR_PROT_FE_GAIN, 0x47, 0 },
351 };
352
353 /* Default register reset values for WSA881x rev 2.0 */
354 static struct reg_sequence wsa881x_rev_2_0[] = {
355 { WSA881X_RESET_CTL, 0x00, 0x00 },
356 { WSA881X_TADC_VALUE_CTL, 0x01, 0x00 },
357 { WSA881X_INTR_MASK, 0x1B, 0x00 },
358 { WSA881X_IOPAD_CTL, 0x00, 0x00 },
359 { WSA881X_OTP_REG_28, 0x3F, 0x00 },
360 { WSA881X_OTP_REG_29, 0x3F, 0x00 },
361 { WSA881X_OTP_REG_30, 0x01, 0x00 },
362 { WSA881X_OTP_REG_31, 0x01, 0x00 },
363 { WSA881X_TEMP_ADC_CTRL, 0x03, 0x00 },
364 { WSA881X_ADC_SEL_IBIAS, 0x45, 0x00 },
365 { WSA881X_SPKR_DRV_GAIN, 0xC1, 0x00 },
366 { WSA881X_SPKR_DAC_CTL, 0x42, 0x00 },
367 { WSA881X_SPKR_BBM_CTL, 0x02, 0x00 },
368 { WSA881X_SPKR_MISC_CTL1, 0x40, 0x00 },
369 { WSA881X_SPKR_MISC_CTL2, 0x07, 0x00 },
370 { WSA881X_SPKR_BIAS_INT, 0x5F, 0x00 },
371 { WSA881X_SPKR_BIAS_PSRR, 0x44, 0x00 },
372 { WSA881X_BOOST_PS_CTL, 0xA0, 0x00 },
373 { WSA881X_BOOST_PRESET_OUT1, 0xB7, 0x00 },
374 { WSA881X_BOOST_LOOP_STABILITY, 0x8D, 0x00 },
375 { WSA881X_SPKR_PROT_ATEST2, 0x02, 0x00 },
376 { WSA881X_BONGO_RESRV_REG1, 0x5E, 0x00 },
377 { WSA881X_BONGO_RESRV_REG2, 0x07, 0x00 },
378 };
379
380 enum wsa_port_ids {
381 WSA881X_PORT_DAC,
382 WSA881X_PORT_COMP,
383 WSA881X_PORT_BOOST,
384 WSA881X_PORT_VISENSE,
385 };
386
387 /* 4 ports */
388 static struct sdw_dpn_prop wsa_sink_dpn_prop[WSA881X_MAX_SWR_PORTS] = {
389 {
390 /* DAC */
391 .num = 1,
392 .type = SDW_DPN_SIMPLE,
393 .min_ch = 1,
394 .max_ch = 1,
395 .simple_ch_prep_sm = true,
396 .read_only_wordlength = true,
397 }, {
398 /* COMP */
399 .num = 2,
400 .type = SDW_DPN_SIMPLE,
401 .min_ch = 1,
402 .max_ch = 1,
403 .simple_ch_prep_sm = true,
404 .read_only_wordlength = true,
405 }, {
406 /* BOOST */
407 .num = 3,
408 .type = SDW_DPN_SIMPLE,
409 .min_ch = 1,
410 .max_ch = 1,
411 .simple_ch_prep_sm = true,
412 .read_only_wordlength = true,
413 }, {
414 /* VISENSE */
415 .num = 4,
416 .type = SDW_DPN_SIMPLE,
417 .min_ch = 1,
418 .max_ch = 1,
419 .simple_ch_prep_sm = true,
420 .read_only_wordlength = true,
421 }
422 };
423
424 static const struct sdw_port_config wsa881x_pconfig[WSA881X_MAX_SWR_PORTS] = {
425 {
426 .num = 1,
427 .ch_mask = 0x1,
428 }, {
429 .num = 2,
430 .ch_mask = 0xf,
431 }, {
432 .num = 3,
433 .ch_mask = 0x3,
434 }, { /* IV feedback */
435 .num = 4,
436 .ch_mask = 0x3,
437 },
438 };
439
440 static bool wsa881x_readable_register(struct device *dev, unsigned int reg)
441 {
442 switch (reg) {
443 case WSA881X_CHIP_ID0:
444 case WSA881X_CHIP_ID1:
445 case WSA881X_CHIP_ID2:
446 case WSA881X_CHIP_ID3:
447 case WSA881X_BUS_ID:
448 case WSA881X_CDC_RST_CTL:
449 case WSA881X_CDC_TOP_CLK_CTL:
450 case WSA881X_CDC_ANA_CLK_CTL:
451 case WSA881X_CDC_DIG_CLK_CTL:
452 case WSA881X_CLOCK_CONFIG:
453 case WSA881X_ANA_CTL:
454 case WSA881X_SWR_RESET_EN:
455 case WSA881X_RESET_CTL:
456 case WSA881X_TADC_VALUE_CTL:
457 case WSA881X_TEMP_DETECT_CTL:
458 case WSA881X_TEMP_MSB:
459 case WSA881X_TEMP_LSB:
460 case WSA881X_TEMP_CONFIG0:
461 case WSA881X_TEMP_CONFIG1:
462 case WSA881X_CDC_CLIP_CTL:
463 case WSA881X_SDM_PDM9_LSB:
464 case WSA881X_SDM_PDM9_MSB:
465 case WSA881X_CDC_RX_CTL:
466 case WSA881X_DEM_BYPASS_DATA0:
467 case WSA881X_DEM_BYPASS_DATA1:
468 case WSA881X_DEM_BYPASS_DATA2:
469 case WSA881X_DEM_BYPASS_DATA3:
470 case WSA881X_OTP_CTRL0:
471 case WSA881X_OTP_CTRL1:
472 case WSA881X_HDRIVE_CTL_GROUP1:
473 case WSA881X_INTR_MODE:
474 case WSA881X_INTR_MASK:
475 case WSA881X_INTR_STATUS:
476 case WSA881X_INTR_CLEAR:
477 case WSA881X_INTR_LEVEL:
478 case WSA881X_INTR_SET:
479 case WSA881X_INTR_TEST:
480 case WSA881X_PDM_TEST_MODE:
481 case WSA881X_ATE_TEST_MODE:
482 case WSA881X_PIN_CTL_MODE:
483 case WSA881X_PIN_CTL_OE:
484 case WSA881X_PIN_WDATA_IOPAD:
485 case WSA881X_PIN_STATUS:
486 case WSA881X_DIG_DEBUG_MODE:
487 case WSA881X_DIG_DEBUG_SEL:
488 case WSA881X_DIG_DEBUG_EN:
489 case WSA881X_SWR_HM_TEST1:
490 case WSA881X_SWR_HM_TEST2:
491 case WSA881X_TEMP_DETECT_DBG_CTL:
492 case WSA881X_TEMP_DEBUG_MSB:
493 case WSA881X_TEMP_DEBUG_LSB:
494 case WSA881X_SAMPLE_EDGE_SEL:
495 case WSA881X_IOPAD_CTL:
496 case WSA881X_SPARE_0:
497 case WSA881X_SPARE_1:
498 case WSA881X_SPARE_2:
499 case WSA881X_OTP_REG_0:
500 case WSA881X_OTP_REG_1:
501 case WSA881X_OTP_REG_2:
502 case WSA881X_OTP_REG_3:
503 case WSA881X_OTP_REG_4:
504 case WSA881X_OTP_REG_5:
505 case WSA881X_OTP_REG_6:
506 case WSA881X_OTP_REG_7:
507 case WSA881X_OTP_REG_8:
508 case WSA881X_OTP_REG_9:
509 case WSA881X_OTP_REG_10:
510 case WSA881X_OTP_REG_11:
511 case WSA881X_OTP_REG_12:
512 case WSA881X_OTP_REG_13:
513 case WSA881X_OTP_REG_14:
514 case WSA881X_OTP_REG_15:
515 case WSA881X_OTP_REG_16:
516 case WSA881X_OTP_REG_17:
517 case WSA881X_OTP_REG_18:
518 case WSA881X_OTP_REG_19:
519 case WSA881X_OTP_REG_20:
520 case WSA881X_OTP_REG_21:
521 case WSA881X_OTP_REG_22:
522 case WSA881X_OTP_REG_23:
523 case WSA881X_OTP_REG_24:
524 case WSA881X_OTP_REG_25:
525 case WSA881X_OTP_REG_26:
526 case WSA881X_OTP_REG_27:
527 case WSA881X_OTP_REG_28:
528 case WSA881X_OTP_REG_29:
529 case WSA881X_OTP_REG_30:
530 case WSA881X_OTP_REG_31:
531 case WSA881X_OTP_REG_63:
532 case WSA881X_BIAS_REF_CTRL:
533 case WSA881X_BIAS_TEST:
534 case WSA881X_BIAS_BIAS:
535 case WSA881X_TEMP_OP:
536 case WSA881X_TEMP_IREF_CTRL:
537 case WSA881X_TEMP_ISENS_CTRL:
538 case WSA881X_TEMP_CLK_CTRL:
539 case WSA881X_TEMP_TEST:
540 case WSA881X_TEMP_BIAS:
541 case WSA881X_TEMP_ADC_CTRL:
542 case WSA881X_TEMP_DOUT_MSB:
543 case WSA881X_TEMP_DOUT_LSB:
544 case WSA881X_ADC_EN_MODU_V:
545 case WSA881X_ADC_EN_MODU_I:
546 case WSA881X_ADC_EN_DET_TEST_V:
547 case WSA881X_ADC_EN_DET_TEST_I:
548 case WSA881X_ADC_SEL_IBIAS:
549 case WSA881X_ADC_EN_SEL_IBAIS:
550 case WSA881X_SPKR_DRV_EN:
551 case WSA881X_SPKR_DRV_GAIN:
552 case WSA881X_SPKR_DAC_CTL:
553 case WSA881X_SPKR_DRV_DBG:
554 case WSA881X_SPKR_PWRSTG_DBG:
555 case WSA881X_SPKR_OCP_CTL:
556 case WSA881X_SPKR_CLIP_CTL:
557 case WSA881X_SPKR_BBM_CTL:
558 case WSA881X_SPKR_MISC_CTL1:
559 case WSA881X_SPKR_MISC_CTL2:
560 case WSA881X_SPKR_BIAS_INT:
561 case WSA881X_SPKR_PA_INT:
562 case WSA881X_SPKR_BIAS_CAL:
563 case WSA881X_SPKR_BIAS_PSRR:
564 case WSA881X_SPKR_STATUS1:
565 case WSA881X_SPKR_STATUS2:
566 case WSA881X_BOOST_EN_CTL:
567 case WSA881X_BOOST_CURRENT_LIMIT:
568 case WSA881X_BOOST_PS_CTL:
569 case WSA881X_BOOST_PRESET_OUT1:
570 case WSA881X_BOOST_PRESET_OUT2:
571 case WSA881X_BOOST_FORCE_OUT:
572 case WSA881X_BOOST_LDO_PROG:
573 case WSA881X_BOOST_SLOPE_COMP_ISENSE_FB:
574 case WSA881X_BOOST_RON_CTL:
575 case WSA881X_BOOST_LOOP_STABILITY:
576 case WSA881X_BOOST_ZX_CTL:
577 case WSA881X_BOOST_START_CTL:
578 case WSA881X_BOOST_MISC1_CTL:
579 case WSA881X_BOOST_MISC2_CTL:
580 case WSA881X_BOOST_MISC3_CTL:
581 case WSA881X_BOOST_ATEST_CTL:
582 case WSA881X_SPKR_PROT_FE_GAIN:
583 case WSA881X_SPKR_PROT_FE_CM_LDO_SET:
584 case WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET1:
585 case WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET2:
586 case WSA881X_SPKR_PROT_ATEST1:
587 case WSA881X_SPKR_PROT_ATEST2:
588 case WSA881X_SPKR_PROT_FE_VSENSE_VCM:
589 case WSA881X_SPKR_PROT_FE_VSENSE_BIAS_SET1:
590 case WSA881X_BONGO_RESRV_REG1:
591 case WSA881X_BONGO_RESRV_REG2:
592 case WSA881X_SPKR_PROT_SAR:
593 case WSA881X_SPKR_STATUS3:
594 return true;
595 default:
596 return false;
597 }
598 }
599
600 static bool wsa881x_volatile_register(struct device *dev, unsigned int reg)
601 {
602 switch (reg) {
603 case WSA881X_CHIP_ID0:
604 case WSA881X_CHIP_ID1:
605 case WSA881X_CHIP_ID2:
606 case WSA881X_CHIP_ID3:
607 case WSA881X_BUS_ID:
608 case WSA881X_TEMP_MSB:
609 case WSA881X_TEMP_LSB:
610 case WSA881X_SDM_PDM9_LSB:
611 case WSA881X_SDM_PDM9_MSB:
612 case WSA881X_OTP_CTRL1:
613 case WSA881X_INTR_STATUS:
614 case WSA881X_ATE_TEST_MODE:
615 case WSA881X_PIN_STATUS:
616 case WSA881X_SWR_HM_TEST2:
617 case WSA881X_SPKR_STATUS1:
618 case WSA881X_SPKR_STATUS2:
619 case WSA881X_SPKR_STATUS3:
620 case WSA881X_OTP_REG_0:
621 case WSA881X_OTP_REG_1:
622 case WSA881X_OTP_REG_2:
623 case WSA881X_OTP_REG_3:
624 case WSA881X_OTP_REG_4:
625 case WSA881X_OTP_REG_5:
626 case WSA881X_OTP_REG_31:
627 case WSA881X_TEMP_DOUT_MSB:
628 case WSA881X_TEMP_DOUT_LSB:
629 case WSA881X_TEMP_OP:
630 case WSA881X_SPKR_PROT_SAR:
631 return true;
632 default:
633 return false;
634 }
635 }
636
637 static const struct regmap_config wsa881x_regmap_config = {
638 .reg_bits = 32,
639 .val_bits = 8,
640 .cache_type = REGCACHE_MAPLE,
641 .reg_defaults = wsa881x_defaults,
642 .max_register = WSA881X_SPKR_STATUS3,
643 .num_reg_defaults = ARRAY_SIZE(wsa881x_defaults),
644 .volatile_reg = wsa881x_volatile_register,
645 .readable_reg = wsa881x_readable_register,
646 .reg_format_endian = REGMAP_ENDIAN_NATIVE,
647 .val_format_endian = REGMAP_ENDIAN_NATIVE,
648 };
649
650 enum {
651 G_18DB = 0,
652 G_16P5DB,
653 G_15DB,
654 G_13P5DB,
655 G_12DB,
656 G_10P5DB,
657 G_9DB,
658 G_7P5DB,
659 G_6DB,
660 G_4P5DB,
661 G_3DB,
662 G_1P5DB,
663 G_0DB,
664 };
665
666 /*
667 * Private data Structure for wsa881x. All parameters related to
668 * WSA881X codec needs to be defined here.
669 */
670 struct wsa881x_priv {
671 struct regmap *regmap;
672 struct device *dev;
673 struct sdw_slave *slave;
674 struct sdw_stream_config sconfig;
675 struct sdw_stream_runtime *sruntime;
676 struct sdw_port_config port_config[WSA881X_MAX_SWR_PORTS];
677 struct gpio_desc *sd_n;
678 /*
679 * Logical state for SD_N GPIO: high for shutdown, low for enable.
680 * For backwards compatibility.
681 */
682 unsigned int sd_n_val;
683 int version;
684 int active_ports;
685 bool port_prepared[WSA881X_MAX_SWR_PORTS];
686 bool port_enable[WSA881X_MAX_SWR_PORTS];
687 };
688
689 static void wsa881x_init(struct wsa881x_priv *wsa881x)
690 {
691 struct regmap *rm = wsa881x->regmap;
692 unsigned int val = 0;
693
694 regmap_read(rm, WSA881X_CHIP_ID1, &wsa881x->version);
695 regmap_register_patch(wsa881x->regmap, wsa881x_rev_2_0,
696 ARRAY_SIZE(wsa881x_rev_2_0));
697
698 /* Enable software reset output from soundwire slave */
699 regmap_update_bits(rm, WSA881X_SWR_RESET_EN, 0x07, 0x07);
700
701 /* Bring out of analog reset */
702 regmap_update_bits(rm, WSA881X_CDC_RST_CTL, 0x02, 0x02);
703
704 /* Bring out of digital reset */
705 regmap_update_bits(rm, WSA881X_CDC_RST_CTL, 0x01, 0x01);
706 regmap_update_bits(rm, WSA881X_CLOCK_CONFIG, 0x10, 0x10);
707 regmap_update_bits(rm, WSA881X_SPKR_OCP_CTL, 0x02, 0x02);
708 regmap_update_bits(rm, WSA881X_SPKR_MISC_CTL1, 0xC0, 0x80);
709 regmap_update_bits(rm, WSA881X_SPKR_MISC_CTL1, 0x06, 0x06);
710 regmap_update_bits(rm, WSA881X_SPKR_BIAS_INT, 0xFF, 0x00);
711 regmap_update_bits(rm, WSA881X_SPKR_PA_INT, 0xF0, 0x40);
712 regmap_update_bits(rm, WSA881X_SPKR_PA_INT, 0x0E, 0x0E);
713 regmap_update_bits(rm, WSA881X_BOOST_LOOP_STABILITY, 0x03, 0x03);
714 regmap_update_bits(rm, WSA881X_BOOST_MISC2_CTL, 0xFF, 0x14);
715 regmap_update_bits(rm, WSA881X_BOOST_START_CTL, 0x80, 0x80);
716 regmap_update_bits(rm, WSA881X_BOOST_START_CTL, 0x03, 0x00);
717 regmap_update_bits(rm, WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, 0x0C, 0x04);
718 regmap_update_bits(rm, WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, 0x03, 0x00);
719
720 regmap_read(rm, WSA881X_OTP_REG_0, &val);
721 if (val)
722 regmap_update_bits(rm, WSA881X_BOOST_PRESET_OUT1, 0xF0, 0x70);
723
724 regmap_update_bits(rm, WSA881X_BOOST_PRESET_OUT2, 0xF0, 0x30);
725 regmap_update_bits(rm, WSA881X_SPKR_DRV_EN, 0x08, 0x08);
726 regmap_update_bits(rm, WSA881X_BOOST_CURRENT_LIMIT, 0x0F, 0x08);
727 regmap_update_bits(rm, WSA881X_SPKR_OCP_CTL, 0x30, 0x30);
728 regmap_update_bits(rm, WSA881X_SPKR_OCP_CTL, 0x0C, 0x00);
729 regmap_update_bits(rm, WSA881X_OTP_REG_28, 0x3F, 0x3A);
730 regmap_update_bits(rm, WSA881X_BONGO_RESRV_REG1, 0xFF, 0xB2);
731 regmap_update_bits(rm, WSA881X_BONGO_RESRV_REG2, 0xFF, 0x05);
732 }
733
734 static int wsa881x_component_probe(struct snd_soc_component *comp)
735 {
736 struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(comp);
737
738 snd_soc_component_init_regmap(comp, wsa881x->regmap);
739
740 return 0;
741 }
742
743 static int wsa881x_put_pa_gain(struct snd_kcontrol *kc,
744 struct snd_ctl_elem_value *ucontrol)
745 {
746 struct snd_soc_component *comp = snd_soc_kcontrol_component(kc);
747 struct soc_mixer_control *mc =
748 (struct soc_mixer_control *)kc->private_value;
749 int max = mc->max;
750 unsigned int mask = (1 << fls(max)) - 1;
751 int val, ret, min_gain, max_gain;
752
753 ret = pm_runtime_resume_and_get(comp->dev);
754 if (ret < 0 && ret != -EACCES)
755 return ret;
756
757 max_gain = (max - ucontrol->value.integer.value[0]) & mask;
758 /*
759 * Gain has to set incrementally in 4 steps
760 * as per HW sequence
761 */
762 if (max_gain > G_4P5DB)
763 min_gain = G_0DB;
764 else
765 min_gain = max_gain + 3;
766 /*
767 * 1ms delay is needed before change in gain
768 * as per HW requirement.
769 */
770 usleep_range(1000, 1010);
771
772 for (val = min_gain; max_gain <= val; val--) {
773 ret = snd_soc_component_update_bits(comp,
774 WSA881X_SPKR_DRV_GAIN,
775 WSA881X_SPKR_PAG_GAIN_MASK,
776 val << 4);
777 if (ret < 0)
778 dev_err(comp->dev, "Failed to change PA gain");
779
780 usleep_range(1000, 1010);
781 }
782
783 pm_runtime_mark_last_busy(comp->dev);
784 pm_runtime_put_autosuspend(comp->dev);
785
786 return 1;
787 }
788
789 static int wsa881x_get_port(struct snd_kcontrol *kcontrol,
790 struct snd_ctl_elem_value *ucontrol)
791 {
792 struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
793 struct wsa881x_priv *data = snd_soc_component_get_drvdata(comp);
794 struct soc_mixer_control *mixer =
795 (struct soc_mixer_control *)kcontrol->private_value;
796 int portidx = mixer->reg;
797
798 ucontrol->value.integer.value[0] = data->port_enable[portidx];
799
800
801 return 0;
802 }
803
804 static int wsa881x_boost_ctrl(struct snd_soc_component *comp, bool enable)
805 {
806 if (enable)
807 snd_soc_component_update_bits(comp, WSA881X_BOOST_EN_CTL,
808 WSA881X_BOOST_EN_MASK,
809 WSA881X_BOOST_EN);
810 else
811 snd_soc_component_update_bits(comp, WSA881X_BOOST_EN_CTL,
812 WSA881X_BOOST_EN_MASK, 0);
813 /*
814 * 1.5ms sleep is needed after boost enable/disable as per
815 * HW requirement
816 */
817 usleep_range(1500, 1510);
818 return 0;
819 }
820
821 static int wsa881x_set_port(struct snd_kcontrol *kcontrol,
822 struct snd_ctl_elem_value *ucontrol)
823 {
824 struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
825 struct wsa881x_priv *data = snd_soc_component_get_drvdata(comp);
826 struct soc_mixer_control *mixer =
827 (struct soc_mixer_control *)kcontrol->private_value;
828 int portidx = mixer->reg;
829
830 if (ucontrol->value.integer.value[0]) {
831 if (data->port_enable[portidx])
832 return 0;
833
834 data->port_enable[portidx] = true;
835 } else {
836 if (!data->port_enable[portidx])
837 return 0;
838
839 data->port_enable[portidx] = false;
840 }
841
842 if (portidx == WSA881X_PORT_BOOST) /* Boost Switch */
843 wsa881x_boost_ctrl(comp, data->port_enable[portidx]);
844
845 return 1;
846 }
847
848 static const char * const smart_boost_lvl_text[] = {
849 "6.625 V", "6.750 V", "6.875 V", "7.000 V",
850 "7.125 V", "7.250 V", "7.375 V", "7.500 V",
851 "7.625 V", "7.750 V", "7.875 V", "8.000 V",
852 "8.125 V", "8.250 V", "8.375 V", "8.500 V"
853 };
854
855 static const struct soc_enum smart_boost_lvl_enum =
856 SOC_ENUM_SINGLE(WSA881X_BOOST_PRESET_OUT1, 0,
857 ARRAY_SIZE(smart_boost_lvl_text),
858 smart_boost_lvl_text);
859
860 static const DECLARE_TLV_DB_SCALE(pa_gain, 0, 150, 0);
861
862 static const struct snd_kcontrol_new wsa881x_snd_controls[] = {
863 SOC_ENUM("Smart Boost Level", smart_boost_lvl_enum),
864 WSA881X_PA_GAIN_TLV("PA Volume", WSA881X_SPKR_DRV_GAIN,
865 4, 0xC, 1, pa_gain),
866 SOC_SINGLE_EXT("DAC Switch", WSA881X_PORT_DAC, 0, 1, 0,
867 wsa881x_get_port, wsa881x_set_port),
868 SOC_SINGLE_EXT("COMP Switch", WSA881X_PORT_COMP, 0, 1, 0,
869 wsa881x_get_port, wsa881x_set_port),
870 SOC_SINGLE_EXT("BOOST Switch", WSA881X_PORT_BOOST, 0, 1, 0,
871 wsa881x_get_port, wsa881x_set_port),
872 SOC_SINGLE_EXT("VISENSE Switch", WSA881X_PORT_VISENSE, 0, 1, 0,
873 wsa881x_get_port, wsa881x_set_port),
874 };
875
876 static const struct snd_soc_dapm_route wsa881x_audio_map[] = {
877 { "RDAC", NULL, "IN" },
878 { "RDAC", NULL, "DCLK" },
879 { "RDAC", NULL, "ACLK" },
880 { "RDAC", NULL, "Bandgap" },
881 { "SPKR PGA", NULL, "RDAC" },
882 { "SPKR", NULL, "SPKR PGA" },
883 };
884
885 static int wsa881x_visense_txfe_ctrl(struct snd_soc_component *comp,
886 bool enable)
887 {
888 struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(comp);
889
890 if (enable) {
891 regmap_multi_reg_write(wsa881x->regmap, wsa881x_vi_txfe_en_2_0,
892 ARRAY_SIZE(wsa881x_vi_txfe_en_2_0));
893 } else {
894 snd_soc_component_update_bits(comp,
895 WSA881X_SPKR_PROT_FE_VSENSE_VCM,
896 0x08, 0x08);
897 /*
898 * 200us sleep is needed after visense txfe disable as per
899 * HW requirement.
900 */
901 usleep_range(200, 210);
902 snd_soc_component_update_bits(comp, WSA881X_SPKR_PROT_FE_GAIN,
903 0x01, 0x00);
904 }
905 return 0;
906 }
907
908 static int wsa881x_visense_adc_ctrl(struct snd_soc_component *comp,
909 bool enable)
910 {
911 snd_soc_component_update_bits(comp, WSA881X_ADC_EN_MODU_V, BIT(7),
912 (enable << 7));
913 snd_soc_component_update_bits(comp, WSA881X_ADC_EN_MODU_I, BIT(7),
914 (enable << 7));
915 return 0;
916 }
917
918 static int wsa881x_spkr_pa_event(struct snd_soc_dapm_widget *w,
919 struct snd_kcontrol *kcontrol, int event)
920 {
921 struct snd_soc_component *comp = snd_soc_dapm_to_component(w->dapm);
922 struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(comp);
923
924 switch (event) {
925 case SND_SOC_DAPM_PRE_PMU:
926 snd_soc_component_update_bits(comp, WSA881X_SPKR_OCP_CTL,
927 WSA881X_SPKR_OCP_MASK,
928 WSA881X_SPKR_OCP_EN);
929 regmap_multi_reg_write(wsa881x->regmap, wsa881x_pre_pmu_pa_2_0,
930 ARRAY_SIZE(wsa881x_pre_pmu_pa_2_0));
931
932 snd_soc_component_update_bits(comp, WSA881X_SPKR_DRV_GAIN,
933 WSA881X_PA_GAIN_SEL_MASK,
934 WSA881X_PA_GAIN_SEL_REG);
935 break;
936 case SND_SOC_DAPM_POST_PMU:
937 if (wsa881x->port_prepared[WSA881X_PORT_VISENSE]) {
938 wsa881x_visense_txfe_ctrl(comp, true);
939 snd_soc_component_update_bits(comp,
940 WSA881X_ADC_EN_SEL_IBAIS,
941 0x07, 0x01);
942 wsa881x_visense_adc_ctrl(comp, true);
943 }
944
945 break;
946 case SND_SOC_DAPM_POST_PMD:
947 if (wsa881x->port_prepared[WSA881X_PORT_VISENSE]) {
948 wsa881x_visense_adc_ctrl(comp, false);
949 wsa881x_visense_txfe_ctrl(comp, false);
950 }
951
952 snd_soc_component_update_bits(comp, WSA881X_SPKR_OCP_CTL,
953 WSA881X_SPKR_OCP_MASK,
954 WSA881X_SPKR_OCP_EN |
955 WSA881X_SPKR_OCP_HOLD);
956 break;
957 }
958 return 0;
959 }
960
961 static const struct snd_soc_dapm_widget wsa881x_dapm_widgets[] = {
962 SND_SOC_DAPM_INPUT("IN"),
963 SND_SOC_DAPM_DAC_E("RDAC", NULL, WSA881X_SPKR_DAC_CTL, 7, 0,
964 NULL,
965 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
966 SND_SOC_DAPM_PGA_E("SPKR PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
967 wsa881x_spkr_pa_event, SND_SOC_DAPM_PRE_PMU |
968 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
969 SND_SOC_DAPM_SUPPLY("DCLK", WSA881X_CDC_DIG_CLK_CTL, 0, 0, NULL,
970 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
971 SND_SOC_DAPM_SUPPLY("ACLK", WSA881X_CDC_ANA_CLK_CTL, 0, 0, NULL,
972 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
973 SND_SOC_DAPM_SUPPLY("Bandgap", WSA881X_TEMP_OP, 3, 0,
974 NULL,
975 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
976 SND_SOC_DAPM_OUTPUT("SPKR"),
977 };
978
979 static int wsa881x_hw_params(struct snd_pcm_substream *substream,
980 struct snd_pcm_hw_params *params,
981 struct snd_soc_dai *dai)
982 {
983 struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev);
984 int i;
985
986 wsa881x->active_ports = 0;
987 for (i = 0; i < WSA881X_MAX_SWR_PORTS; i++) {
988 if (!wsa881x->port_enable[i])
989 continue;
990
991 wsa881x->port_config[wsa881x->active_ports] =
992 wsa881x_pconfig[i];
993 wsa881x->active_ports++;
994 }
995
996 return sdw_stream_add_slave(wsa881x->slave, &wsa881x->sconfig,
997 wsa881x->port_config, wsa881x->active_ports,
998 wsa881x->sruntime);
999 }
1000
1001 static int wsa881x_hw_free(struct snd_pcm_substream *substream,
1002 struct snd_soc_dai *dai)
1003 {
1004 struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev);
1005
1006 sdw_stream_remove_slave(wsa881x->slave, wsa881x->sruntime);
1007
1008 return 0;
1009 }
1010
1011 static int wsa881x_set_sdw_stream(struct snd_soc_dai *dai,
1012 void *stream, int direction)
1013 {
1014 struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev);
1015
1016 wsa881x->sruntime = stream;
1017
1018 return 0;
1019 }
1020
1021 static int wsa881x_digital_mute(struct snd_soc_dai *dai, int mute, int stream)
1022 {
1023 struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev);
1024
1025 if (mute)
1026 regmap_update_bits(wsa881x->regmap, WSA881X_SPKR_DRV_EN, 0x80,
1027 0x00);
1028 else
1029 regmap_update_bits(wsa881x->regmap, WSA881X_SPKR_DRV_EN, 0x80,
1030 0x80);
1031
1032 return 0;
1033 }
1034
1035 static const struct snd_soc_dai_ops wsa881x_dai_ops = {
1036 .hw_params = wsa881x_hw_params,
1037 .hw_free = wsa881x_hw_free,
1038 .mute_stream = wsa881x_digital_mute,
1039 .set_stream = wsa881x_set_sdw_stream,
1040 };
1041
1042 static struct snd_soc_dai_driver wsa881x_dais[] = {
1043 {
1044 .name = "SPKR",
1045 .id = 0,
1046 .playback = {
1047 .stream_name = "SPKR Playback",
1048 .rates = SNDRV_PCM_RATE_48000,
1049 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1050 .rate_max = 48000,
1051 .rate_min = 48000,
1052 .channels_min = 1,
1053 .channels_max = 1,
1054 },
1055 .ops = &wsa881x_dai_ops,
1056 },
1057 };
1058
1059 static const struct snd_soc_component_driver wsa881x_component_drv = {
1060 .name = "WSA881x",
1061 .probe = wsa881x_component_probe,
1062 .controls = wsa881x_snd_controls,
1063 .num_controls = ARRAY_SIZE(wsa881x_snd_controls),
1064 .dapm_widgets = wsa881x_dapm_widgets,
1065 .num_dapm_widgets = ARRAY_SIZE(wsa881x_dapm_widgets),
1066 .dapm_routes = wsa881x_audio_map,
1067 .num_dapm_routes = ARRAY_SIZE(wsa881x_audio_map),
1068 .endianness = 1,
1069 };
1070
1071 static int wsa881x_update_status(struct sdw_slave *slave,
1072 enum sdw_slave_status status)
1073 {
1074 struct wsa881x_priv *wsa881x = dev_get_drvdata(&slave->dev);
1075
1076 if (status == SDW_SLAVE_ATTACHED && slave->dev_num > 0)
1077 wsa881x_init(wsa881x);
1078
1079 return 0;
1080 }
1081
1082 static int wsa881x_port_prep(struct sdw_slave *slave,
1083 struct sdw_prepare_ch *prepare_ch,
1084 enum sdw_port_prep_ops state)
1085 {
1086 struct wsa881x_priv *wsa881x = dev_get_drvdata(&slave->dev);
1087
1088 if (state == SDW_OPS_PORT_POST_PREP)
1089 wsa881x->port_prepared[prepare_ch->num - 1] = true;
1090 else
1091 wsa881x->port_prepared[prepare_ch->num - 1] = false;
1092
1093 return 0;
1094 }
1095
1096 static int wsa881x_bus_config(struct sdw_slave *slave,
1097 struct sdw_bus_params *params)
1098 {
1099 sdw_write(slave, SWRS_SCP_HOST_CLK_DIV2_CTL_BANK(params->next_bank),
1100 0x01);
1101
1102 return 0;
1103 }
1104
1105 static const struct sdw_slave_ops wsa881x_slave_ops = {
1106 .update_status = wsa881x_update_status,
1107 .bus_config = wsa881x_bus_config,
1108 .port_prep = wsa881x_port_prep,
1109 };
1110
1111 static int wsa881x_probe(struct sdw_slave *pdev,
1112 const struct sdw_device_id *id)
1113 {
1114 struct wsa881x_priv *wsa881x;
1115 struct device *dev = &pdev->dev;
1116
1117 wsa881x = devm_kzalloc(dev, sizeof(*wsa881x), GFP_KERNEL);
1118 if (!wsa881x)
1119 return -ENOMEM;
1120
1121 wsa881x->sd_n = devm_gpiod_get_optional(dev, "powerdown",
1122 GPIOD_FLAGS_BIT_NONEXCLUSIVE);
1123 if (IS_ERR(wsa881x->sd_n))
1124 return dev_err_probe(dev, PTR_ERR(wsa881x->sd_n),
1125 "Shutdown Control GPIO not found\n");
1126
1127 /*
1128 * Backwards compatibility work-around.
1129 *
1130 * The SD_N GPIO is active low, however upstream DTS used always active
1131 * high. Changing the flag in driver and DTS will break backwards
1132 * compatibility, so add a simple value inversion to work with both old
1133 * and new DTS.
1134 *
1135 * This won't work properly with DTS using the flags properly in cases:
1136 * 1. Old DTS with proper ACTIVE_LOW, however such case was broken
1137 * before as the driver required the active high.
1138 * 2. New DTS with proper ACTIVE_HIGH (intended), which is rare case
1139 * (not existing upstream) but possible. This is the price of
1140 * backwards compatibility, therefore this hack should be removed at
1141 * some point.
1142 */
1143 wsa881x->sd_n_val = gpiod_is_active_low(wsa881x->sd_n);
1144 if (!wsa881x->sd_n_val)
1145 dev_warn(dev, "Using ACTIVE_HIGH for shutdown GPIO. Your DTB might be outdated or you use unsupported configuration for the GPIO.");
1146
1147 dev_set_drvdata(dev, wsa881x);
1148 wsa881x->slave = pdev;
1149 wsa881x->dev = dev;
1150 wsa881x->sconfig.ch_count = 1;
1151 wsa881x->sconfig.bps = 1;
1152 wsa881x->sconfig.frame_rate = 48000;
1153 wsa881x->sconfig.direction = SDW_DATA_DIR_RX;
1154 wsa881x->sconfig.type = SDW_STREAM_PDM;
1155 pdev->prop.sink_ports = GENMASK(WSA881X_MAX_SWR_PORTS - 1, 0);
1156 pdev->prop.sink_dpn_prop = wsa_sink_dpn_prop;
1157 pdev->prop.scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
1158 pdev->prop.clk_stop_mode1 = true;
1159 gpiod_direction_output(wsa881x->sd_n, !wsa881x->sd_n_val);
1160
1161 wsa881x->regmap = devm_regmap_init_sdw(pdev, &wsa881x_regmap_config);
1162 if (IS_ERR(wsa881x->regmap))
1163 return dev_err_probe(dev, PTR_ERR(wsa881x->regmap), "regmap_init failed\n");
1164
1165 pm_runtime_set_autosuspend_delay(dev, 3000);
1166 pm_runtime_use_autosuspend(dev);
1167 pm_runtime_mark_last_busy(dev);
1168 pm_runtime_set_active(dev);
1169 pm_runtime_enable(dev);
1170
1171 return devm_snd_soc_register_component(dev,
1172 &wsa881x_component_drv,
1173 wsa881x_dais,
1174 ARRAY_SIZE(wsa881x_dais));
1175 }
1176
1177 static int __maybe_unused wsa881x_runtime_suspend(struct device *dev)
1178 {
1179 struct regmap *regmap = dev_get_regmap(dev, NULL);
1180 struct wsa881x_priv *wsa881x = dev_get_drvdata(dev);
1181
1182 gpiod_direction_output(wsa881x->sd_n, wsa881x->sd_n_val);
1183
1184 regcache_cache_only(regmap, true);
1185 regcache_mark_dirty(regmap);
1186
1187 return 0;
1188 }
1189
1190 static int __maybe_unused wsa881x_runtime_resume(struct device *dev)
1191 {
1192 struct sdw_slave *slave = dev_to_sdw_dev(dev);
1193 struct regmap *regmap = dev_get_regmap(dev, NULL);
1194 struct wsa881x_priv *wsa881x = dev_get_drvdata(dev);
1195 unsigned long time;
1196
1197 gpiod_direction_output(wsa881x->sd_n, !wsa881x->sd_n_val);
1198
1199 time = wait_for_completion_timeout(&slave->initialization_complete,
1200 msecs_to_jiffies(WSA881X_PROBE_TIMEOUT));
1201 if (!time) {
1202 dev_err(dev, "Initialization not complete, timed out\n");
1203 gpiod_direction_output(wsa881x->sd_n, wsa881x->sd_n_val);
1204 return -ETIMEDOUT;
1205 }
1206
1207 regcache_cache_only(regmap, false);
1208 regcache_sync(regmap);
1209
1210 return 0;
1211 }
1212
1213 static const struct dev_pm_ops wsa881x_pm_ops = {
1214 SET_RUNTIME_PM_OPS(wsa881x_runtime_suspend, wsa881x_runtime_resume, NULL)
1215 };
1216
1217 static const struct sdw_device_id wsa881x_slave_id[] = {
1218 SDW_SLAVE_ENTRY(0x0217, 0x2010, 0),
1219 SDW_SLAVE_ENTRY(0x0217, 0x2110, 0),
1220 {},
1221 };
1222 MODULE_DEVICE_TABLE(sdw, wsa881x_slave_id);
1223
1224 static struct sdw_driver wsa881x_codec_driver = {
1225 .probe = wsa881x_probe,
1226 .ops = &wsa881x_slave_ops,
1227 .id_table = wsa881x_slave_id,
1228 .driver = {
1229 .name = "wsa881x-codec",
1230 .pm = &wsa881x_pm_ops,
1231 }
1232 };
1233 module_sdw_driver(wsa881x_codec_driver);
1234
1235 MODULE_DESCRIPTION("WSA881x codec driver");
1236 MODULE_LICENSE("GPL v2");
1237
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