WIP FPC-III support
[linux/fpc-iii.git] / sound / soc / codecs / cs35l36.c
blobe9b5f76f27a864682354ad3b7b4bcf77e9d8dedc
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // cs35l36.c -- CS35L36 ALSA SoC audio driver
4 //
5 // Copyright 2018 Cirrus Logic, Inc.
6 //
7 // Author: James Schulman <james.schulman@cirrus.com>
9 #include <linux/module.h>
10 #include <linux/moduleparam.h>
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/delay.h>
14 #include <linux/i2c.h>
15 #include <linux/slab.h>
16 #include <linux/workqueue.h>
17 #include <linux/platform_device.h>
18 #include <linux/regulator/consumer.h>
19 #include <linux/gpio/consumer.h>
20 #include <linux/of_device.h>
21 #include <linux/of_gpio.h>
22 #include <linux/regmap.h>
23 #include <sound/core.h>
24 #include <sound/pcm.h>
25 #include <sound/pcm_params.h>
26 #include <sound/soc.h>
27 #include <sound/soc-dapm.h>
28 #include <linux/gpio.h>
29 #include <sound/initval.h>
30 #include <sound/tlv.h>
31 #include <sound/cs35l36.h>
32 #include <linux/of_irq.h>
33 #include <linux/completion.h>
35 #include "cs35l36.h"
38 * Some fields take zero as a valid value so use a high bit flag that won't
39 * get written to the device to mark those.
41 #define CS35L36_VALID_PDATA 0x80000000
43 static const char * const cs35l36_supplies[] = {
44 "VA",
45 "VP",
48 struct cs35l36_private {
49 struct device *dev;
50 struct cs35l36_platform_data pdata;
51 struct regmap *regmap;
52 struct regulator_bulk_data supplies[2];
53 int num_supplies;
54 int clksrc;
55 int chip_version;
56 int rev_id;
57 int ldm_mode_sel;
58 struct gpio_desc *reset_gpio;
61 struct cs35l36_pll_config {
62 int freq;
63 int clk_cfg;
64 int fll_igain;
67 static const struct cs35l36_pll_config cs35l36_pll_sysclk[] = {
68 {32768, 0x00, 0x05},
69 {8000, 0x01, 0x03},
70 {11025, 0x02, 0x03},
71 {12000, 0x03, 0x03},
72 {16000, 0x04, 0x04},
73 {22050, 0x05, 0x04},
74 {24000, 0x06, 0x04},
75 {32000, 0x07, 0x05},
76 {44100, 0x08, 0x05},
77 {48000, 0x09, 0x05},
78 {88200, 0x0A, 0x06},
79 {96000, 0x0B, 0x06},
80 {128000, 0x0C, 0x07},
81 {176400, 0x0D, 0x07},
82 {192000, 0x0E, 0x07},
83 {256000, 0x0F, 0x08},
84 {352800, 0x10, 0x08},
85 {384000, 0x11, 0x08},
86 {512000, 0x12, 0x09},
87 {705600, 0x13, 0x09},
88 {750000, 0x14, 0x09},
89 {768000, 0x15, 0x09},
90 {1000000, 0x16, 0x0A},
91 {1024000, 0x17, 0x0A},
92 {1200000, 0x18, 0x0A},
93 {1411200, 0x19, 0x0A},
94 {1500000, 0x1A, 0x0A},
95 {1536000, 0x1B, 0x0A},
96 {2000000, 0x1C, 0x0A},
97 {2048000, 0x1D, 0x0A},
98 {2400000, 0x1E, 0x0A},
99 {2822400, 0x1F, 0x0A},
100 {3000000, 0x20, 0x0A},
101 {3072000, 0x21, 0x0A},
102 {3200000, 0x22, 0x0A},
103 {4000000, 0x23, 0x0A},
104 {4096000, 0x24, 0x0A},
105 {4800000, 0x25, 0x0A},
106 {5644800, 0x26, 0x0A},
107 {6000000, 0x27, 0x0A},
108 {6144000, 0x28, 0x0A},
109 {6250000, 0x29, 0x08},
110 {6400000, 0x2A, 0x0A},
111 {6500000, 0x2B, 0x08},
112 {6750000, 0x2C, 0x09},
113 {7526400, 0x2D, 0x0A},
114 {8000000, 0x2E, 0x0A},
115 {8192000, 0x2F, 0x0A},
116 {9600000, 0x30, 0x0A},
117 {11289600, 0x31, 0x0A},
118 {12000000, 0x32, 0x0A},
119 {12288000, 0x33, 0x0A},
120 {12500000, 0x34, 0x08},
121 {12800000, 0x35, 0x0A},
122 {13000000, 0x36, 0x0A},
123 {13500000, 0x37, 0x0A},
124 {19200000, 0x38, 0x0A},
125 {22579200, 0x39, 0x0A},
126 {24000000, 0x3A, 0x0A},
127 {24576000, 0x3B, 0x0A},
128 {25000000, 0x3C, 0x0A},
129 {25600000, 0x3D, 0x0A},
130 {26000000, 0x3E, 0x0A},
131 {27000000, 0x3F, 0x0A},
134 static struct reg_default cs35l36_reg[] = {
135 {CS35L36_TESTKEY_CTRL, 0x00000000},
136 {CS35L36_USERKEY_CTL, 0x00000000},
137 {CS35L36_OTP_CTRL1, 0x00002460},
138 {CS35L36_OTP_CTRL2, 0x00000000},
139 {CS35L36_OTP_CTRL3, 0x00000000},
140 {CS35L36_OTP_CTRL4, 0x00000000},
141 {CS35L36_OTP_CTRL5, 0x00000000},
142 {CS35L36_PAC_CTL1, 0x00000004},
143 {CS35L36_PAC_CTL2, 0x00000000},
144 {CS35L36_PAC_CTL3, 0x00000000},
145 {CS35L36_PWR_CTRL1, 0x00000000},
146 {CS35L36_PWR_CTRL2, 0x00003321},
147 {CS35L36_PWR_CTRL3, 0x01000010},
148 {CS35L36_CTRL_OVRRIDE, 0x00000002},
149 {CS35L36_AMP_OUT_MUTE, 0x00000000},
150 {CS35L36_OTP_TRIM_STATUS, 0x00000000},
151 {CS35L36_DISCH_FILT, 0x00000000},
152 {CS35L36_PROTECT_REL_ERR, 0x00000000},
153 {CS35L36_PAD_INTERFACE, 0x00000038},
154 {CS35L36_PLL_CLK_CTRL, 0x00000010},
155 {CS35L36_GLOBAL_CLK_CTRL, 0x00000003},
156 {CS35L36_ADC_CLK_CTRL, 0x00000000},
157 {CS35L36_SWIRE_CLK_CTRL, 0x00000000},
158 {CS35L36_SP_SCLK_CLK_CTRL, 0x00000000},
159 {CS35L36_MDSYNC_EN, 0x00000000},
160 {CS35L36_MDSYNC_TX_ID, 0x00000000},
161 {CS35L36_MDSYNC_PWR_CTRL, 0x00000000},
162 {CS35L36_MDSYNC_DATA_TX, 0x00000000},
163 {CS35L36_MDSYNC_TX_STATUS, 0x00000002},
164 {CS35L36_MDSYNC_RX_STATUS, 0x00000000},
165 {CS35L36_MDSYNC_ERR_STATUS, 0x00000000},
166 {CS35L36_BSTCVRT_VCTRL1, 0x00000000},
167 {CS35L36_BSTCVRT_VCTRL2, 0x00000001},
168 {CS35L36_BSTCVRT_PEAK_CUR, 0x0000004A},
169 {CS35L36_BSTCVRT_SFT_RAMP, 0x00000003},
170 {CS35L36_BSTCVRT_COEFF, 0x00002424},
171 {CS35L36_BSTCVRT_SLOPE_LBST, 0x00005800},
172 {CS35L36_BSTCVRT_SW_FREQ, 0x00010000},
173 {CS35L36_BSTCVRT_DCM_CTRL, 0x00002001},
174 {CS35L36_BSTCVRT_DCM_MODE_FORCE, 0x00000000},
175 {CS35L36_BSTCVRT_OVERVOLT_CTRL, 0x00000130},
176 {CS35L36_VPI_LIMIT_MODE, 0x00000000},
177 {CS35L36_VPI_LIMIT_MINMAX, 0x00003000},
178 {CS35L36_VPI_VP_THLD, 0x00101010},
179 {CS35L36_VPI_TRACK_CTRL, 0x00000000},
180 {CS35L36_VPI_TRIG_MODE_CTRL, 0x00000000},
181 {CS35L36_VPI_TRIG_STEPS, 0x00000000},
182 {CS35L36_VI_SPKMON_FILT, 0x00000003},
183 {CS35L36_VI_SPKMON_GAIN, 0x00000909},
184 {CS35L36_VI_SPKMON_IP_SEL, 0x00000000},
185 {CS35L36_DTEMP_WARN_THLD, 0x00000002},
186 {CS35L36_DTEMP_STATUS, 0x00000000},
187 {CS35L36_VPVBST_FS_SEL, 0x00000001},
188 {CS35L36_VPVBST_VP_CTRL, 0x000001C0},
189 {CS35L36_VPVBST_VBST_CTRL, 0x000001C0},
190 {CS35L36_ASP_TX_PIN_CTRL, 0x00000028},
191 {CS35L36_ASP_RATE_CTRL, 0x00090000},
192 {CS35L36_ASP_FORMAT, 0x00000002},
193 {CS35L36_ASP_FRAME_CTRL, 0x00180018},
194 {CS35L36_ASP_TX1_TX2_SLOT, 0x00010000},
195 {CS35L36_ASP_TX3_TX4_SLOT, 0x00030002},
196 {CS35L36_ASP_TX5_TX6_SLOT, 0x00050004},
197 {CS35L36_ASP_TX7_TX8_SLOT, 0x00070006},
198 {CS35L36_ASP_RX1_SLOT, 0x00000000},
199 {CS35L36_ASP_RX_TX_EN, 0x00000000},
200 {CS35L36_ASP_RX1_SEL, 0x00000008},
201 {CS35L36_ASP_TX1_SEL, 0x00000018},
202 {CS35L36_ASP_TX2_SEL, 0x00000019},
203 {CS35L36_ASP_TX3_SEL, 0x00000028},
204 {CS35L36_ASP_TX4_SEL, 0x00000029},
205 {CS35L36_ASP_TX5_SEL, 0x00000020},
206 {CS35L36_ASP_TX6_SEL, 0x00000000},
207 {CS35L36_SWIRE_P1_TX1_SEL, 0x00000018},
208 {CS35L36_SWIRE_P1_TX2_SEL, 0x00000019},
209 {CS35L36_SWIRE_P2_TX1_SEL, 0x00000028},
210 {CS35L36_SWIRE_P2_TX2_SEL, 0x00000029},
211 {CS35L36_SWIRE_P2_TX3_SEL, 0x00000020},
212 {CS35L36_SWIRE_DP1_FIFO_CFG, 0x0000001B},
213 {CS35L36_SWIRE_DP2_FIFO_CFG, 0x0000001B},
214 {CS35L36_SWIRE_DP3_FIFO_CFG, 0x0000001B},
215 {CS35L36_SWIRE_PCM_RX_DATA, 0x00000000},
216 {CS35L36_SWIRE_FS_SEL, 0x00000001},
217 {CS35L36_AMP_DIG_VOL_CTRL, 0x00008000},
218 {CS35L36_VPBR_CFG, 0x02AA1905},
219 {CS35L36_VBBR_CFG, 0x02AA1905},
220 {CS35L36_VPBR_STATUS, 0x00000000},
221 {CS35L36_VBBR_STATUS, 0x00000000},
222 {CS35L36_OVERTEMP_CFG, 0x00000001},
223 {CS35L36_AMP_ERR_VOL, 0x00000000},
224 {CS35L36_CLASSH_CFG, 0x000B0405},
225 {CS35L36_CLASSH_FET_DRV_CFG, 0x00000111},
226 {CS35L36_NG_CFG, 0x00000033},
227 {CS35L36_AMP_GAIN_CTRL, 0x00000273},
228 {CS35L36_PWM_MOD_IO_CTRL, 0x00000000},
229 {CS35L36_PWM_MOD_STATUS, 0x00000000},
230 {CS35L36_DAC_MSM_CFG, 0x00000000},
231 {CS35L36_AMP_SLOPE_CTRL, 0x00000B00},
232 {CS35L36_AMP_PDM_VOLUME, 0x00000000},
233 {CS35L36_AMP_PDM_RATE_CTRL, 0x00000000},
234 {CS35L36_PDM_CH_SEL, 0x00000000},
235 {CS35L36_AMP_NG_CTRL, 0x0000212F},
236 {CS35L36_PDM_HIGHFILT_CTRL, 0x00000000},
237 {CS35L36_PAC_INT0_CTRL, 0x00000001},
238 {CS35L36_PAC_INT1_CTRL, 0x00000001},
239 {CS35L36_PAC_INT2_CTRL, 0x00000001},
240 {CS35L36_PAC_INT3_CTRL, 0x00000001},
241 {CS35L36_PAC_INT4_CTRL, 0x00000001},
242 {CS35L36_PAC_INT5_CTRL, 0x00000001},
243 {CS35L36_PAC_INT6_CTRL, 0x00000001},
244 {CS35L36_PAC_INT7_CTRL, 0x00000001},
247 static bool cs35l36_readable_reg(struct device *dev, unsigned int reg)
249 switch (reg) {
250 case CS35L36_SW_RESET:
251 case CS35L36_SW_REV:
252 case CS35L36_HW_REV:
253 case CS35L36_TESTKEY_CTRL:
254 case CS35L36_USERKEY_CTL:
255 case CS35L36_OTP_MEM30:
256 case CS35L36_OTP_CTRL1:
257 case CS35L36_OTP_CTRL2:
258 case CS35L36_OTP_CTRL3:
259 case CS35L36_OTP_CTRL4:
260 case CS35L36_OTP_CTRL5:
261 case CS35L36_PAC_CTL1:
262 case CS35L36_PAC_CTL2:
263 case CS35L36_PAC_CTL3:
264 case CS35L36_DEVICE_ID:
265 case CS35L36_FAB_ID:
266 case CS35L36_REV_ID:
267 case CS35L36_PWR_CTRL1:
268 case CS35L36_PWR_CTRL2:
269 case CS35L36_PWR_CTRL3:
270 case CS35L36_CTRL_OVRRIDE:
271 case CS35L36_AMP_OUT_MUTE:
272 case CS35L36_OTP_TRIM_STATUS:
273 case CS35L36_DISCH_FILT:
274 case CS35L36_PROTECT_REL_ERR:
275 case CS35L36_PAD_INTERFACE:
276 case CS35L36_PLL_CLK_CTRL:
277 case CS35L36_GLOBAL_CLK_CTRL:
278 case CS35L36_ADC_CLK_CTRL:
279 case CS35L36_SWIRE_CLK_CTRL:
280 case CS35L36_SP_SCLK_CLK_CTRL:
281 case CS35L36_TST_FS_MON0:
282 case CS35L36_MDSYNC_EN:
283 case CS35L36_MDSYNC_TX_ID:
284 case CS35L36_MDSYNC_PWR_CTRL:
285 case CS35L36_MDSYNC_DATA_TX:
286 case CS35L36_MDSYNC_TX_STATUS:
287 case CS35L36_MDSYNC_RX_STATUS:
288 case CS35L36_MDSYNC_ERR_STATUS:
289 case CS35L36_BSTCVRT_VCTRL1:
290 case CS35L36_BSTCVRT_VCTRL2:
291 case CS35L36_BSTCVRT_PEAK_CUR:
292 case CS35L36_BSTCVRT_SFT_RAMP:
293 case CS35L36_BSTCVRT_COEFF:
294 case CS35L36_BSTCVRT_SLOPE_LBST:
295 case CS35L36_BSTCVRT_SW_FREQ:
296 case CS35L36_BSTCVRT_DCM_CTRL:
297 case CS35L36_BSTCVRT_DCM_MODE_FORCE:
298 case CS35L36_BSTCVRT_OVERVOLT_CTRL:
299 case CS35L36_BST_TST_MANUAL:
300 case CS35L36_BST_ANA2_TEST:
301 case CS35L36_VPI_LIMIT_MODE:
302 case CS35L36_VPI_LIMIT_MINMAX:
303 case CS35L36_VPI_VP_THLD:
304 case CS35L36_VPI_TRACK_CTRL:
305 case CS35L36_VPI_TRIG_MODE_CTRL:
306 case CS35L36_VPI_TRIG_STEPS:
307 case CS35L36_VI_SPKMON_FILT:
308 case CS35L36_VI_SPKMON_GAIN:
309 case CS35L36_VI_SPKMON_IP_SEL:
310 case CS35L36_DTEMP_WARN_THLD:
311 case CS35L36_DTEMP_STATUS:
312 case CS35L36_VPVBST_FS_SEL:
313 case CS35L36_VPVBST_VP_CTRL:
314 case CS35L36_VPVBST_VBST_CTRL:
315 case CS35L36_ASP_TX_PIN_CTRL:
316 case CS35L36_ASP_RATE_CTRL:
317 case CS35L36_ASP_FORMAT:
318 case CS35L36_ASP_FRAME_CTRL:
319 case CS35L36_ASP_TX1_TX2_SLOT:
320 case CS35L36_ASP_TX3_TX4_SLOT:
321 case CS35L36_ASP_TX5_TX6_SLOT:
322 case CS35L36_ASP_TX7_TX8_SLOT:
323 case CS35L36_ASP_RX1_SLOT:
324 case CS35L36_ASP_RX_TX_EN:
325 case CS35L36_ASP_RX1_SEL:
326 case CS35L36_ASP_TX1_SEL:
327 case CS35L36_ASP_TX2_SEL:
328 case CS35L36_ASP_TX3_SEL:
329 case CS35L36_ASP_TX4_SEL:
330 case CS35L36_ASP_TX5_SEL:
331 case CS35L36_ASP_TX6_SEL:
332 case CS35L36_SWIRE_P1_TX1_SEL:
333 case CS35L36_SWIRE_P1_TX2_SEL:
334 case CS35L36_SWIRE_P2_TX1_SEL:
335 case CS35L36_SWIRE_P2_TX2_SEL:
336 case CS35L36_SWIRE_P2_TX3_SEL:
337 case CS35L36_SWIRE_DP1_FIFO_CFG:
338 case CS35L36_SWIRE_DP2_FIFO_CFG:
339 case CS35L36_SWIRE_DP3_FIFO_CFG:
340 case CS35L36_SWIRE_PCM_RX_DATA:
341 case CS35L36_SWIRE_FS_SEL:
342 case CS35L36_AMP_DIG_VOL_CTRL:
343 case CS35L36_VPBR_CFG:
344 case CS35L36_VBBR_CFG:
345 case CS35L36_VPBR_STATUS:
346 case CS35L36_VBBR_STATUS:
347 case CS35L36_OVERTEMP_CFG:
348 case CS35L36_AMP_ERR_VOL:
349 case CS35L36_CLASSH_CFG:
350 case CS35L36_CLASSH_FET_DRV_CFG:
351 case CS35L36_NG_CFG:
352 case CS35L36_AMP_GAIN_CTRL:
353 case CS35L36_PWM_MOD_IO_CTRL:
354 case CS35L36_PWM_MOD_STATUS:
355 case CS35L36_DAC_MSM_CFG:
356 case CS35L36_AMP_SLOPE_CTRL:
357 case CS35L36_AMP_PDM_VOLUME:
358 case CS35L36_AMP_PDM_RATE_CTRL:
359 case CS35L36_PDM_CH_SEL:
360 case CS35L36_AMP_NG_CTRL:
361 case CS35L36_PDM_HIGHFILT_CTRL:
362 case CS35L36_INT1_STATUS:
363 case CS35L36_INT2_STATUS:
364 case CS35L36_INT3_STATUS:
365 case CS35L36_INT4_STATUS:
366 case CS35L36_INT1_RAW_STATUS:
367 case CS35L36_INT2_RAW_STATUS:
368 case CS35L36_INT3_RAW_STATUS:
369 case CS35L36_INT4_RAW_STATUS:
370 case CS35L36_INT1_MASK:
371 case CS35L36_INT2_MASK:
372 case CS35L36_INT3_MASK:
373 case CS35L36_INT4_MASK:
374 case CS35L36_INT1_EDGE_LVL_CTRL:
375 case CS35L36_INT3_EDGE_LVL_CTRL:
376 case CS35L36_PAC_INT_STATUS:
377 case CS35L36_PAC_INT_RAW_STATUS:
378 case CS35L36_PAC_INT_FLUSH_CTRL:
379 case CS35L36_PAC_INT0_CTRL:
380 case CS35L36_PAC_INT1_CTRL:
381 case CS35L36_PAC_INT2_CTRL:
382 case CS35L36_PAC_INT3_CTRL:
383 case CS35L36_PAC_INT4_CTRL:
384 case CS35L36_PAC_INT5_CTRL:
385 case CS35L36_PAC_INT6_CTRL:
386 case CS35L36_PAC_INT7_CTRL:
387 return true;
388 default:
389 if (reg >= CS35L36_PAC_PMEM_WORD0 &&
390 reg <= CS35L36_PAC_PMEM_WORD1023)
391 return true;
392 else
393 return false;
397 static bool cs35l36_precious_reg(struct device *dev, unsigned int reg)
399 switch (reg) {
400 case CS35L36_TESTKEY_CTRL:
401 case CS35L36_USERKEY_CTL:
402 case CS35L36_TST_FS_MON0:
403 return true;
404 default:
405 return false;
409 static bool cs35l36_volatile_reg(struct device *dev, unsigned int reg)
411 switch (reg) {
412 case CS35L36_SW_RESET:
413 case CS35L36_SW_REV:
414 case CS35L36_HW_REV:
415 case CS35L36_TESTKEY_CTRL:
416 case CS35L36_USERKEY_CTL:
417 case CS35L36_DEVICE_ID:
418 case CS35L36_FAB_ID:
419 case CS35L36_REV_ID:
420 case CS35L36_INT1_STATUS:
421 case CS35L36_INT2_STATUS:
422 case CS35L36_INT3_STATUS:
423 case CS35L36_INT4_STATUS:
424 case CS35L36_INT1_RAW_STATUS:
425 case CS35L36_INT2_RAW_STATUS:
426 case CS35L36_INT3_RAW_STATUS:
427 case CS35L36_INT4_RAW_STATUS:
428 case CS35L36_INT1_MASK:
429 case CS35L36_INT2_MASK:
430 case CS35L36_INT3_MASK:
431 case CS35L36_INT4_MASK:
432 case CS35L36_INT1_EDGE_LVL_CTRL:
433 case CS35L36_INT3_EDGE_LVL_CTRL:
434 case CS35L36_PAC_INT_STATUS:
435 case CS35L36_PAC_INT_RAW_STATUS:
436 case CS35L36_PAC_INT_FLUSH_CTRL:
437 return true;
438 default:
439 if (reg >= CS35L36_PAC_PMEM_WORD0 &&
440 reg <= CS35L36_PAC_PMEM_WORD1023)
441 return true;
442 else
443 return false;
447 static DECLARE_TLV_DB_SCALE(dig_vol_tlv, -10200, 25, 0);
448 static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 0, 1, 1);
450 static const char * const cs35l36_pcm_sftramp_text[] = {
451 "Off", ".5ms", "1ms", "2ms", "4ms", "8ms", "15ms", "30ms"};
453 static SOC_ENUM_SINGLE_DECL(pcm_sft_ramp, CS35L36_AMP_DIG_VOL_CTRL, 0,
454 cs35l36_pcm_sftramp_text);
456 static int cs35l36_ldm_sel_get(struct snd_kcontrol *kcontrol,
457 struct snd_ctl_elem_value *ucontrol)
459 struct snd_soc_component *component =
460 snd_soc_kcontrol_component(kcontrol);
461 struct cs35l36_private *cs35l36 =
462 snd_soc_component_get_drvdata(component);
464 ucontrol->value.integer.value[0] = cs35l36->ldm_mode_sel;
466 return 0;
469 static int cs35l36_ldm_sel_put(struct snd_kcontrol *kcontrol,
470 struct snd_ctl_elem_value *ucontrol)
472 struct snd_soc_component *component =
473 snd_soc_kcontrol_component(kcontrol);
474 struct cs35l36_private *cs35l36 =
475 snd_soc_component_get_drvdata(component);
476 int val = (ucontrol->value.integer.value[0]) ? CS35L36_NG_AMP_EN_MASK :
479 cs35l36->ldm_mode_sel = val;
481 regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
482 CS35L36_NG_AMP_EN_MASK, val);
484 return 0;
487 static const struct snd_kcontrol_new cs35l36_aud_controls[] = {
488 SOC_SINGLE_SX_TLV("Digital PCM Volume", CS35L36_AMP_DIG_VOL_CTRL,
489 3, 0x4D0, 0x390, dig_vol_tlv),
490 SOC_SINGLE_TLV("Analog PCM Volume", CS35L36_AMP_GAIN_CTRL, 5, 0x13, 0,
491 amp_gain_tlv),
492 SOC_ENUM("PCM Soft Ramp", pcm_sft_ramp),
493 SOC_SINGLE("Amp Gain Zero-Cross Switch", CS35L36_AMP_GAIN_CTRL,
494 CS35L36_AMP_ZC_SHIFT, 1, 0),
495 SOC_SINGLE("PDM LDM Enter Ramp Switch", CS35L36_DAC_MSM_CFG,
496 CS35L36_PDM_LDM_ENTER_SHIFT, 1, 0),
497 SOC_SINGLE("PDM LDM Exit Ramp Switch", CS35L36_DAC_MSM_CFG,
498 CS35L36_PDM_LDM_EXIT_SHIFT, 1, 0),
499 SOC_SINGLE_BOOL_EXT("LDM Select Switch", 0, cs35l36_ldm_sel_get,
500 cs35l36_ldm_sel_put),
503 static int cs35l36_main_amp_event(struct snd_soc_dapm_widget *w,
504 struct snd_kcontrol *kcontrol, int event)
506 struct snd_soc_component *component =
507 snd_soc_dapm_to_component(w->dapm);
508 struct cs35l36_private *cs35l36 =
509 snd_soc_component_get_drvdata(component);
510 u32 reg;
512 switch (event) {
513 case SND_SOC_DAPM_POST_PMU:
514 regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL1,
515 CS35L36_GLOBAL_EN_MASK,
516 1 << CS35L36_GLOBAL_EN_SHIFT);
518 usleep_range(2000, 2100);
520 regmap_read(cs35l36->regmap, CS35L36_INT4_RAW_STATUS, &reg);
522 if (WARN_ON_ONCE(reg & CS35L36_PLL_UNLOCK_MASK))
523 dev_crit(cs35l36->dev, "PLL Unlocked\n");
525 regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RX1_SEL,
526 CS35L36_PCM_RX_SEL_MASK,
527 CS35L36_PCM_RX_SEL_PCM);
528 regmap_update_bits(cs35l36->regmap, CS35L36_AMP_OUT_MUTE,
529 CS35L36_AMP_MUTE_MASK,
530 0 << CS35L36_AMP_MUTE_SHIFT);
531 break;
532 case SND_SOC_DAPM_PRE_PMD:
533 regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RX1_SEL,
534 CS35L36_PCM_RX_SEL_MASK,
535 CS35L36_PCM_RX_SEL_ZERO);
536 regmap_update_bits(cs35l36->regmap, CS35L36_AMP_OUT_MUTE,
537 CS35L36_AMP_MUTE_MASK,
538 1 << CS35L36_AMP_MUTE_SHIFT);
539 break;
540 case SND_SOC_DAPM_POST_PMD:
541 regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL1,
542 CS35L36_GLOBAL_EN_MASK,
543 0 << CS35L36_GLOBAL_EN_SHIFT);
545 usleep_range(2000, 2100);
546 break;
547 default:
548 dev_dbg(component->dev, "Invalid event = 0x%x\n", event);
549 return -EINVAL;
552 return 0;
555 static int cs35l36_boost_event(struct snd_soc_dapm_widget *w,
556 struct snd_kcontrol *kcontrol, int event)
558 struct snd_soc_component *component =
559 snd_soc_dapm_to_component(w->dapm);
560 struct cs35l36_private *cs35l36 =
561 snd_soc_component_get_drvdata(component);
563 switch (event) {
564 case SND_SOC_DAPM_POST_PMU:
565 if (!cs35l36->pdata.extern_boost)
566 regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL2,
567 CS35L36_BST_EN_MASK,
568 CS35L36_BST_EN <<
569 CS35L36_BST_EN_SHIFT);
570 break;
571 case SND_SOC_DAPM_POST_PMD:
572 if (!cs35l36->pdata.extern_boost)
573 regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL2,
574 CS35L36_BST_EN_MASK,
575 CS35L36_BST_DIS_VP <<
576 CS35L36_BST_EN_SHIFT);
577 break;
578 default:
579 dev_dbg(component->dev, "Invalid event = 0x%x\n", event);
580 return -EINVAL;
583 return 0;
586 static const char * const cs35l36_chan_text[] = {
587 "RX1",
588 "RX2",
591 static SOC_ENUM_SINGLE_DECL(chansel_enum, CS35L36_ASP_RX1_SLOT, 0,
592 cs35l36_chan_text);
594 static const struct snd_kcontrol_new cs35l36_chan_mux =
595 SOC_DAPM_ENUM("Input Mux", chansel_enum);
597 static const struct snd_kcontrol_new amp_enable_ctrl =
598 SOC_DAPM_SINGLE_AUTODISABLE("Switch", CS35L36_AMP_OUT_MUTE,
599 CS35L36_AMP_MUTE_SHIFT, 1, 1);
601 static const struct snd_kcontrol_new boost_ctrl =
602 SOC_DAPM_SINGLE_VIRT("Switch", 1);
604 static const char * const asp_tx_src_text[] = {
605 "Zero Fill", "ASPRX1", "VMON", "IMON", "ERRVOL", "VPMON", "VBSTMON"
608 static const unsigned int asp_tx_src_values[] = {
609 0x00, 0x08, 0x18, 0x19, 0x20, 0x28, 0x29
612 static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx1_src_enum, CS35L36_ASP_TX1_SEL, 0,
613 CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
614 asp_tx_src_values);
616 static const struct snd_kcontrol_new asp_tx1_src =
617 SOC_DAPM_ENUM("ASPTX1SRC", asp_tx1_src_enum);
619 static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx2_src_enum, CS35L36_ASP_TX2_SEL, 0,
620 CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
621 asp_tx_src_values);
623 static const struct snd_kcontrol_new asp_tx2_src =
624 SOC_DAPM_ENUM("ASPTX2SRC", asp_tx2_src_enum);
626 static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx3_src_enum, CS35L36_ASP_TX3_SEL, 0,
627 CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
628 asp_tx_src_values);
630 static const struct snd_kcontrol_new asp_tx3_src =
631 SOC_DAPM_ENUM("ASPTX3SRC", asp_tx3_src_enum);
633 static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx4_src_enum, CS35L36_ASP_TX4_SEL, 0,
634 CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
635 asp_tx_src_values);
637 static const struct snd_kcontrol_new asp_tx4_src =
638 SOC_DAPM_ENUM("ASPTX4SRC", asp_tx4_src_enum);
640 static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx5_src_enum, CS35L36_ASP_TX5_SEL, 0,
641 CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
642 asp_tx_src_values);
644 static const struct snd_kcontrol_new asp_tx5_src =
645 SOC_DAPM_ENUM("ASPTX5SRC", asp_tx5_src_enum);
647 static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx6_src_enum, CS35L36_ASP_TX6_SEL, 0,
648 CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
649 asp_tx_src_values);
651 static const struct snd_kcontrol_new asp_tx6_src =
652 SOC_DAPM_ENUM("ASPTX6SRC", asp_tx6_src_enum);
654 static const struct snd_soc_dapm_widget cs35l36_dapm_widgets[] = {
655 SND_SOC_DAPM_MUX("Channel Mux", SND_SOC_NOPM, 0, 0, &cs35l36_chan_mux),
656 SND_SOC_DAPM_AIF_IN("SDIN", NULL, 0, CS35L36_ASP_RX_TX_EN, 16, 0),
658 SND_SOC_DAPM_OUT_DRV_E("Main AMP", CS35L36_PWR_CTRL2, 0, 0, NULL, 0,
659 cs35l36_main_amp_event, SND_SOC_DAPM_POST_PMD |
660 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
662 SND_SOC_DAPM_OUTPUT("SPK"),
663 SND_SOC_DAPM_SWITCH("AMP Enable", SND_SOC_NOPM, 0, 1, &amp_enable_ctrl),
664 SND_SOC_DAPM_MIXER("CLASS H", CS35L36_PWR_CTRL3, 4, 0, NULL, 0),
665 SND_SOC_DAPM_SWITCH_E("BOOST Enable", SND_SOC_NOPM, 0, 0, &boost_ctrl,
666 cs35l36_boost_event, SND_SOC_DAPM_POST_PMD |
667 SND_SOC_DAPM_POST_PMU),
669 SND_SOC_DAPM_AIF_OUT("ASPTX1", NULL, 0, CS35L36_ASP_RX_TX_EN, 0, 0),
670 SND_SOC_DAPM_AIF_OUT("ASPTX2", NULL, 1, CS35L36_ASP_RX_TX_EN, 1, 0),
671 SND_SOC_DAPM_AIF_OUT("ASPTX3", NULL, 2, CS35L36_ASP_RX_TX_EN, 2, 0),
672 SND_SOC_DAPM_AIF_OUT("ASPTX4", NULL, 3, CS35L36_ASP_RX_TX_EN, 3, 0),
673 SND_SOC_DAPM_AIF_OUT("ASPTX5", NULL, 4, CS35L36_ASP_RX_TX_EN, 4, 0),
674 SND_SOC_DAPM_AIF_OUT("ASPTX6", NULL, 5, CS35L36_ASP_RX_TX_EN, 5, 0),
676 SND_SOC_DAPM_MUX("ASPTX1SRC", SND_SOC_NOPM, 0, 0, &asp_tx1_src),
677 SND_SOC_DAPM_MUX("ASPTX2SRC", SND_SOC_NOPM, 0, 0, &asp_tx2_src),
678 SND_SOC_DAPM_MUX("ASPTX3SRC", SND_SOC_NOPM, 0, 0, &asp_tx3_src),
679 SND_SOC_DAPM_MUX("ASPTX4SRC", SND_SOC_NOPM, 0, 0, &asp_tx4_src),
680 SND_SOC_DAPM_MUX("ASPTX5SRC", SND_SOC_NOPM, 0, 0, &asp_tx5_src),
681 SND_SOC_DAPM_MUX("ASPTX6SRC", SND_SOC_NOPM, 0, 0, &asp_tx6_src),
683 SND_SOC_DAPM_ADC("VMON ADC", NULL, CS35L36_PWR_CTRL2, 12, 0),
684 SND_SOC_DAPM_ADC("IMON ADC", NULL, CS35L36_PWR_CTRL2, 13, 0),
685 SND_SOC_DAPM_ADC("VPMON ADC", NULL, CS35L36_PWR_CTRL2, 8, 0),
686 SND_SOC_DAPM_ADC("VBSTMON ADC", NULL, CS35L36_PWR_CTRL2, 9, 0),
688 SND_SOC_DAPM_INPUT("VP"),
689 SND_SOC_DAPM_INPUT("VBST"),
690 SND_SOC_DAPM_INPUT("VSENSE"),
693 static const struct snd_soc_dapm_route cs35l36_audio_map[] = {
694 {"VPMON ADC", NULL, "VP"},
695 {"VBSTMON ADC", NULL, "VBST"},
696 {"IMON ADC", NULL, "VSENSE"},
697 {"VMON ADC", NULL, "VSENSE"},
699 {"ASPTX1SRC", "IMON", "IMON ADC"},
700 {"ASPTX1SRC", "VMON", "VMON ADC"},
701 {"ASPTX1SRC", "VBSTMON", "VBSTMON ADC"},
702 {"ASPTX1SRC", "VPMON", "VPMON ADC"},
704 {"ASPTX2SRC", "IMON", "IMON ADC"},
705 {"ASPTX2SRC", "VMON", "VMON ADC"},
706 {"ASPTX2SRC", "VBSTMON", "VBSTMON ADC"},
707 {"ASPTX2SRC", "VPMON", "VPMON ADC"},
709 {"ASPTX3SRC", "IMON", "IMON ADC"},
710 {"ASPTX3SRC", "VMON", "VMON ADC"},
711 {"ASPTX3SRC", "VBSTMON", "VBSTMON ADC"},
712 {"ASPTX3SRC", "VPMON", "VPMON ADC"},
714 {"ASPTX4SRC", "IMON", "IMON ADC"},
715 {"ASPTX4SRC", "VMON", "VMON ADC"},
716 {"ASPTX4SRC", "VBSTMON", "VBSTMON ADC"},
717 {"ASPTX4SRC", "VPMON", "VPMON ADC"},
719 {"ASPTX5SRC", "IMON", "IMON ADC"},
720 {"ASPTX5SRC", "VMON", "VMON ADC"},
721 {"ASPTX5SRC", "VBSTMON", "VBSTMON ADC"},
722 {"ASPTX5SRC", "VPMON", "VPMON ADC"},
724 {"ASPTX6SRC", "IMON", "IMON ADC"},
725 {"ASPTX6SRC", "VMON", "VMON ADC"},
726 {"ASPTX6SRC", "VBSTMON", "VBSTMON ADC"},
727 {"ASPTX6SRC", "VPMON", "VPMON ADC"},
729 {"ASPTX1", NULL, "ASPTX1SRC"},
730 {"ASPTX2", NULL, "ASPTX2SRC"},
731 {"ASPTX3", NULL, "ASPTX3SRC"},
732 {"ASPTX4", NULL, "ASPTX4SRC"},
733 {"ASPTX5", NULL, "ASPTX5SRC"},
734 {"ASPTX6", NULL, "ASPTX6SRC"},
736 {"AMP Capture", NULL, "ASPTX1"},
737 {"AMP Capture", NULL, "ASPTX2"},
738 {"AMP Capture", NULL, "ASPTX3"},
739 {"AMP Capture", NULL, "ASPTX4"},
740 {"AMP Capture", NULL, "ASPTX5"},
741 {"AMP Capture", NULL, "ASPTX6"},
743 {"AMP Enable", "Switch", "AMP Playback"},
744 {"SDIN", NULL, "AMP Enable"},
745 {"Channel Mux", "RX1", "SDIN"},
746 {"Channel Mux", "RX2", "SDIN"},
747 {"BOOST Enable", "Switch", "Channel Mux"},
748 {"CLASS H", NULL, "BOOST Enable"},
749 {"Main AMP", NULL, "Channel Mux"},
750 {"Main AMP", NULL, "CLASS H"},
751 {"SPK", NULL, "Main AMP"},
754 static int cs35l36_set_dai_fmt(struct snd_soc_dai *component_dai,
755 unsigned int fmt)
757 struct cs35l36_private *cs35l36 =
758 snd_soc_component_get_drvdata(component_dai->component);
759 unsigned int asp_fmt, lrclk_fmt, sclk_fmt, slave_mode, clk_frc;
761 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
762 case SND_SOC_DAIFMT_CBM_CFM:
763 slave_mode = 1;
764 break;
765 case SND_SOC_DAIFMT_CBS_CFS:
766 slave_mode = 0;
767 break;
768 default:
769 return -EINVAL;
772 regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL,
773 CS35L36_SCLK_MSTR_MASK,
774 slave_mode << CS35L36_SCLK_MSTR_SHIFT);
775 regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RATE_CTRL,
776 CS35L36_LRCLK_MSTR_MASK,
777 slave_mode << CS35L36_LRCLK_MSTR_SHIFT);
779 switch (fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
780 case SND_SOC_DAIFMT_CONT:
781 clk_frc = 1;
782 break;
783 case SND_SOC_DAIFMT_GATED:
784 clk_frc = 0;
785 break;
786 default:
787 return -EINVAL;
790 regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL,
791 CS35L36_SCLK_FRC_MASK, clk_frc <<
792 CS35L36_SCLK_FRC_SHIFT);
793 regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RATE_CTRL,
794 CS35L36_LRCLK_FRC_MASK, clk_frc <<
795 CS35L36_LRCLK_FRC_SHIFT);
797 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
798 case SND_SOC_DAIFMT_DSP_A:
799 asp_fmt = 0;
800 break;
801 case SND_SOC_DAIFMT_I2S:
802 asp_fmt = 2;
803 break;
804 default:
805 return -EINVAL;
808 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
809 case SND_SOC_DAIFMT_NB_IF:
810 lrclk_fmt = 1;
811 sclk_fmt = 0;
812 break;
813 case SND_SOC_DAIFMT_IB_NF:
814 lrclk_fmt = 0;
815 sclk_fmt = 1;
816 break;
817 case SND_SOC_DAIFMT_IB_IF:
818 lrclk_fmt = 1;
819 sclk_fmt = 1;
820 break;
821 case SND_SOC_DAIFMT_NB_NF:
822 lrclk_fmt = 0;
823 sclk_fmt = 0;
824 break;
825 default:
826 return -EINVAL;
829 regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RATE_CTRL,
830 CS35L36_LRCLK_INV_MASK,
831 lrclk_fmt << CS35L36_LRCLK_INV_SHIFT);
832 regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL,
833 CS35L36_SCLK_INV_MASK,
834 sclk_fmt << CS35L36_SCLK_INV_SHIFT);
835 regmap_update_bits(cs35l36->regmap, CS35L36_ASP_FORMAT,
836 CS35L36_ASP_FMT_MASK, asp_fmt);
838 return 0;
841 struct cs35l36_global_fs_config {
842 int rate;
843 int fs_cfg;
846 static const struct cs35l36_global_fs_config cs35l36_fs_rates[] = {
847 {12000, 0x01},
848 {24000, 0x02},
849 {48000, 0x03},
850 {96000, 0x04},
851 {192000, 0x05},
852 {384000, 0x06},
853 {11025, 0x09},
854 {22050, 0x0A},
855 {44100, 0x0B},
856 {88200, 0x0C},
857 {176400, 0x0D},
858 {8000, 0x11},
859 {16000, 0x12},
860 {32000, 0x13},
863 static int cs35l36_pcm_hw_params(struct snd_pcm_substream *substream,
864 struct snd_pcm_hw_params *params,
865 struct snd_soc_dai *dai)
867 struct cs35l36_private *cs35l36 =
868 snd_soc_component_get_drvdata(dai->component);
869 unsigned int asp_width, global_fs = params_rate(params);
870 int i;
872 for (i = 0; i < ARRAY_SIZE(cs35l36_fs_rates); i++) {
873 if (global_fs == cs35l36_fs_rates[i].rate)
874 regmap_update_bits(cs35l36->regmap,
875 CS35L36_GLOBAL_CLK_CTRL,
876 CS35L36_GLOBAL_FS_MASK,
877 cs35l36_fs_rates[i].fs_cfg <<
878 CS35L36_GLOBAL_FS_SHIFT);
881 switch (params_width(params)) {
882 case 16:
883 asp_width = CS35L36_ASP_WIDTH_16;
884 break;
885 case 24:
886 asp_width = CS35L36_ASP_WIDTH_24;
887 break;
888 case 32:
889 asp_width = CS35L36_ASP_WIDTH_32;
890 break;
891 default:
892 return -EINVAL;
895 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
896 regmap_update_bits(cs35l36->regmap, CS35L36_ASP_FRAME_CTRL,
897 CS35L36_ASP_RX_WIDTH_MASK,
898 asp_width << CS35L36_ASP_RX_WIDTH_SHIFT);
899 } else {
900 regmap_update_bits(cs35l36->regmap, CS35L36_ASP_FRAME_CTRL,
901 CS35L36_ASP_TX_WIDTH_MASK,
902 asp_width << CS35L36_ASP_TX_WIDTH_SHIFT);
905 return 0;
908 static int cs35l36_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
909 unsigned int freq, int dir)
911 struct snd_soc_component *component = dai->component;
912 struct cs35l36_private *cs35l36 =
913 snd_soc_component_get_drvdata(component);
914 int fs1, fs2;
916 if (freq > CS35L36_FS_NOM_6MHZ) {
917 fs1 = CS35L36_FS1_DEFAULT_VAL;
918 fs2 = CS35L36_FS2_DEFAULT_VAL;
919 } else {
920 fs1 = 3 * ((CS35L36_FS_NOM_6MHZ * 4 + freq - 1) / freq) + 4;
921 fs2 = 5 * ((CS35L36_FS_NOM_6MHZ * 4 + freq - 1) / freq) + 4;
924 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
925 CS35L36_TEST_UNLOCK1);
926 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
927 CS35L36_TEST_UNLOCK2);
929 regmap_update_bits(cs35l36->regmap, CS35L36_TST_FS_MON0,
930 CS35L36_FS1_WINDOW_MASK | CS35L36_FS2_WINDOW_MASK,
931 fs1 | (fs2 << CS35L36_FS2_WINDOW_SHIFT));
933 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
934 CS35L36_TEST_LOCK1);
935 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
936 CS35L36_TEST_LOCK2);
937 return 0;
940 static const struct cs35l36_pll_config *cs35l36_get_clk_config(
941 struct cs35l36_private *cs35l36, int freq)
943 int i;
945 for (i = 0; i < ARRAY_SIZE(cs35l36_pll_sysclk); i++) {
946 if (cs35l36_pll_sysclk[i].freq == freq)
947 return &cs35l36_pll_sysclk[i];
950 return NULL;
953 static const unsigned int cs35l36_src_rates[] = {
954 8000, 12000, 11025, 16000, 22050, 24000, 32000,
955 44100, 48000, 88200, 96000, 176400, 192000, 384000
958 static const struct snd_pcm_hw_constraint_list cs35l36_constraints = {
959 .count = ARRAY_SIZE(cs35l36_src_rates),
960 .list = cs35l36_src_rates,
963 static int cs35l36_pcm_startup(struct snd_pcm_substream *substream,
964 struct snd_soc_dai *dai)
966 snd_pcm_hw_constraint_list(substream->runtime, 0,
967 SNDRV_PCM_HW_PARAM_RATE, &cs35l36_constraints);
969 return 0;
972 static const struct snd_soc_dai_ops cs35l36_ops = {
973 .startup = cs35l36_pcm_startup,
974 .set_fmt = cs35l36_set_dai_fmt,
975 .hw_params = cs35l36_pcm_hw_params,
976 .set_sysclk = cs35l36_dai_set_sysclk,
979 static struct snd_soc_dai_driver cs35l36_dai[] = {
981 .name = "cs35l36-pcm",
982 .id = 0,
983 .playback = {
984 .stream_name = "AMP Playback",
985 .channels_min = 1,
986 .channels_max = 8,
987 .rates = SNDRV_PCM_RATE_KNOT,
988 .formats = CS35L36_RX_FORMATS,
990 .capture = {
991 .stream_name = "AMP Capture",
992 .channels_min = 1,
993 .channels_max = 8,
994 .rates = SNDRV_PCM_RATE_KNOT,
995 .formats = CS35L36_TX_FORMATS,
997 .ops = &cs35l36_ops,
998 .symmetric_rates = 1,
1002 static int cs35l36_component_set_sysclk(struct snd_soc_component *component,
1003 int clk_id, int source, unsigned int freq,
1004 int dir)
1006 struct cs35l36_private *cs35l36 =
1007 snd_soc_component_get_drvdata(component);
1008 const struct cs35l36_pll_config *clk_cfg;
1009 int prev_clksrc;
1010 bool pdm_switch;
1012 prev_clksrc = cs35l36->clksrc;
1014 switch (clk_id) {
1015 case 0:
1016 cs35l36->clksrc = CS35L36_PLLSRC_SCLK;
1017 break;
1018 case 1:
1019 cs35l36->clksrc = CS35L36_PLLSRC_LRCLK;
1020 break;
1021 case 2:
1022 cs35l36->clksrc = CS35L36_PLLSRC_PDMCLK;
1023 break;
1024 case 3:
1025 cs35l36->clksrc = CS35L36_PLLSRC_SELF;
1026 break;
1027 case 4:
1028 cs35l36->clksrc = CS35L36_PLLSRC_MCLK;
1029 break;
1030 default:
1031 return -EINVAL;
1034 clk_cfg = cs35l36_get_clk_config(cs35l36, freq);
1035 if (clk_cfg == NULL) {
1036 dev_err(component->dev, "Invalid CLK Config Freq: %d\n", freq);
1037 return -EINVAL;
1040 regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
1041 CS35L36_PLL_OPENLOOP_MASK,
1042 1 << CS35L36_PLL_OPENLOOP_SHIFT);
1043 regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
1044 CS35L36_REFCLK_FREQ_MASK,
1045 clk_cfg->clk_cfg << CS35L36_REFCLK_FREQ_SHIFT);
1046 regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
1047 CS35L36_PLL_REFCLK_EN_MASK,
1048 0 << CS35L36_PLL_REFCLK_EN_SHIFT);
1049 regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
1050 CS35L36_PLL_CLK_SEL_MASK,
1051 cs35l36->clksrc);
1052 regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
1053 CS35L36_PLL_OPENLOOP_MASK,
1054 0 << CS35L36_PLL_OPENLOOP_SHIFT);
1055 regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
1056 CS35L36_PLL_REFCLK_EN_MASK,
1057 1 << CS35L36_PLL_REFCLK_EN_SHIFT);
1059 if (cs35l36->rev_id == CS35L36_REV_A0) {
1060 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1061 CS35L36_TEST_UNLOCK1);
1062 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1063 CS35L36_TEST_UNLOCK2);
1065 regmap_write(cs35l36->regmap, CS35L36_DCO_CTRL, 0x00036DA8);
1066 regmap_write(cs35l36->regmap, CS35L36_MISC_CTRL, 0x0100EE0E);
1068 regmap_update_bits(cs35l36->regmap, CS35L36_PLL_LOOP_PARAMS,
1069 CS35L36_PLL_IGAIN_MASK,
1070 CS35L36_PLL_IGAIN <<
1071 CS35L36_PLL_IGAIN_SHIFT);
1072 regmap_update_bits(cs35l36->regmap, CS35L36_PLL_LOOP_PARAMS,
1073 CS35L36_PLL_FFL_IGAIN_MASK,
1074 clk_cfg->fll_igain);
1076 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1077 CS35L36_TEST_LOCK1);
1078 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1079 CS35L36_TEST_LOCK2);
1082 if (cs35l36->clksrc == CS35L36_PLLSRC_PDMCLK) {
1083 pdm_switch = cs35l36->ldm_mode_sel &&
1084 (prev_clksrc != CS35L36_PLLSRC_PDMCLK);
1086 if (pdm_switch)
1087 regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
1088 CS35L36_NG_DELAY_MASK,
1089 0 << CS35L36_NG_DELAY_SHIFT);
1091 regmap_update_bits(cs35l36->regmap, CS35L36_DAC_MSM_CFG,
1092 CS35L36_PDM_MODE_MASK,
1093 1 << CS35L36_PDM_MODE_SHIFT);
1095 if (pdm_switch)
1096 regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
1097 CS35L36_NG_DELAY_MASK,
1098 3 << CS35L36_NG_DELAY_SHIFT);
1099 } else {
1100 pdm_switch = cs35l36->ldm_mode_sel &&
1101 (prev_clksrc == CS35L36_PLLSRC_PDMCLK);
1103 if (pdm_switch)
1104 regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
1105 CS35L36_NG_DELAY_MASK,
1106 0 << CS35L36_NG_DELAY_SHIFT);
1108 regmap_update_bits(cs35l36->regmap, CS35L36_DAC_MSM_CFG,
1109 CS35L36_PDM_MODE_MASK,
1110 0 << CS35L36_PDM_MODE_SHIFT);
1112 if (pdm_switch)
1113 regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
1114 CS35L36_NG_DELAY_MASK,
1115 3 << CS35L36_NG_DELAY_SHIFT);
1118 return 0;
1121 static int cs35l36_boost_inductor(struct cs35l36_private *cs35l36, int inductor)
1123 regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_COEFF,
1124 CS35L36_BSTCVRT_K1_MASK, 0x3C);
1125 regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_COEFF,
1126 CS35L36_BSTCVRT_K2_MASK,
1127 0x3C << CS35L36_BSTCVRT_K2_SHIFT);
1128 regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SW_FREQ,
1129 CS35L36_BSTCVRT_CCMFREQ_MASK, 0x00);
1131 switch (inductor) {
1132 case 1000: /* 1 uH */
1133 regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST,
1134 CS35L36_BSTCVRT_SLOPE_MASK,
1135 0x75 << CS35L36_BSTCVRT_SLOPE_SHIFT);
1136 regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST,
1137 CS35L36_BSTCVRT_LBSTVAL_MASK, 0x00);
1138 break;
1139 case 1200: /* 1.2 uH */
1140 regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST,
1141 CS35L36_BSTCVRT_SLOPE_MASK,
1142 0x6B << CS35L36_BSTCVRT_SLOPE_SHIFT);
1143 regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST,
1144 CS35L36_BSTCVRT_LBSTVAL_MASK, 0x01);
1145 break;
1146 default:
1147 dev_err(cs35l36->dev, "%s Invalid Inductor Value %d uH\n",
1148 __func__, inductor);
1149 return -EINVAL;
1152 return 0;
1155 static int cs35l36_component_probe(struct snd_soc_component *component)
1157 struct cs35l36_private *cs35l36 =
1158 snd_soc_component_get_drvdata(component);
1159 int ret = 0;
1161 if ((cs35l36->rev_id == CS35L36_REV_A0) && cs35l36->pdata.dcm_mode) {
1162 regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_DCM_CTRL,
1163 CS35L36_DCM_AUTO_MASK,
1164 CS35L36_DCM_AUTO_MASK);
1166 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1167 CS35L36_TEST_UNLOCK1);
1168 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1169 CS35L36_TEST_UNLOCK2);
1171 regmap_update_bits(cs35l36->regmap, CS35L36_BST_TST_MANUAL,
1172 CS35L36_BST_MAN_IPKCOMP_MASK,
1173 0 << CS35L36_BST_MAN_IPKCOMP_SHIFT);
1174 regmap_update_bits(cs35l36->regmap, CS35L36_BST_TST_MANUAL,
1175 CS35L36_BST_MAN_IPKCOMP_EN_MASK,
1176 CS35L36_BST_MAN_IPKCOMP_EN_MASK);
1178 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1179 CS35L36_TEST_LOCK1);
1180 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1181 CS35L36_TEST_LOCK2);
1184 if (cs35l36->pdata.amp_pcm_inv)
1185 regmap_update_bits(cs35l36->regmap, CS35L36_AMP_DIG_VOL_CTRL,
1186 CS35L36_AMP_PCM_INV_MASK,
1187 CS35L36_AMP_PCM_INV_MASK);
1189 if (cs35l36->pdata.multi_amp_mode)
1190 regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL,
1191 CS35L36_ASP_TX_HIZ_MASK,
1192 CS35L36_ASP_TX_HIZ_MASK);
1194 if (cs35l36->pdata.imon_pol_inv)
1195 regmap_update_bits(cs35l36->regmap, CS35L36_VI_SPKMON_FILT,
1196 CS35L36_IMON_POL_MASK, 0);
1198 if (cs35l36->pdata.vmon_pol_inv)
1199 regmap_update_bits(cs35l36->regmap, CS35L36_VI_SPKMON_FILT,
1200 CS35L36_VMON_POL_MASK, 0);
1202 if (cs35l36->pdata.bst_vctl)
1203 regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL1,
1204 CS35L35_BSTCVRT_CTL_MASK,
1205 cs35l36->pdata.bst_vctl);
1207 if (cs35l36->pdata.bst_vctl_sel)
1208 regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL2,
1209 CS35L35_BSTCVRT_CTL_SEL_MASK,
1210 cs35l36->pdata.bst_vctl_sel);
1212 if (cs35l36->pdata.bst_ipk)
1213 regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_PEAK_CUR,
1214 CS35L36_BST_IPK_MASK,
1215 cs35l36->pdata.bst_ipk);
1217 if (cs35l36->pdata.boost_ind) {
1218 ret = cs35l36_boost_inductor(cs35l36, cs35l36->pdata.boost_ind);
1219 if (ret < 0) {
1220 dev_err(cs35l36->dev,
1221 "Boost inductor config failed(%d)\n", ret);
1222 return ret;
1226 if (cs35l36->pdata.temp_warn_thld)
1227 regmap_update_bits(cs35l36->regmap, CS35L36_DTEMP_WARN_THLD,
1228 CS35L36_TEMP_THLD_MASK,
1229 cs35l36->pdata.temp_warn_thld);
1231 if (cs35l36->pdata.irq_drv_sel)
1232 regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE,
1233 CS35L36_INT_DRV_SEL_MASK,
1234 cs35l36->pdata.irq_drv_sel <<
1235 CS35L36_INT_DRV_SEL_SHIFT);
1237 if (cs35l36->pdata.irq_gpio_sel)
1238 regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE,
1239 CS35L36_INT_GPIO_SEL_MASK,
1240 cs35l36->pdata.irq_gpio_sel <<
1241 CS35L36_INT_GPIO_SEL_SHIFT);
1244 * Rev B0 has 2 versions
1245 * L36 is 10V
1246 * L37 is 12V
1247 * If L36 we need to clamp some values for safety
1248 * after probe has setup dt values. We want to make
1249 * sure we dont miss any values set in probe
1251 if (cs35l36->chip_version == CS35L36_10V_L36) {
1252 regmap_update_bits(cs35l36->regmap,
1253 CS35L36_BSTCVRT_OVERVOLT_CTRL,
1254 CS35L36_BST_OVP_THLD_MASK,
1255 CS35L36_BST_OVP_THLD_11V);
1257 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1258 CS35L36_TEST_UNLOCK1);
1259 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1260 CS35L36_TEST_UNLOCK2);
1262 regmap_update_bits(cs35l36->regmap, CS35L36_BST_ANA2_TEST,
1263 CS35L36_BST_OVP_TRIM_MASK,
1264 CS35L36_BST_OVP_TRIM_11V <<
1265 CS35L36_BST_OVP_TRIM_SHIFT);
1266 regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL2,
1267 CS35L36_BST_CTRL_LIM_MASK,
1268 1 << CS35L36_BST_CTRL_LIM_SHIFT);
1269 regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL1,
1270 CS35L35_BSTCVRT_CTL_MASK,
1271 CS35L36_BST_CTRL_10V_CLAMP);
1272 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1273 CS35L36_TEST_LOCK1);
1274 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1275 CS35L36_TEST_LOCK2);
1279 * RevA and B require the disabling of
1280 * SYNC_GLOBAL_OVR when GLOBAL_EN = 0.
1281 * Just turn it off from default
1283 regmap_update_bits(cs35l36->regmap, CS35L36_CTRL_OVRRIDE,
1284 CS35L36_SYNC_GLOBAL_OVR_MASK,
1285 0 << CS35L36_SYNC_GLOBAL_OVR_SHIFT);
1287 return 0;
1290 static const struct snd_soc_component_driver soc_component_dev_cs35l36 = {
1291 .probe = &cs35l36_component_probe,
1292 .set_sysclk = cs35l36_component_set_sysclk,
1293 .dapm_widgets = cs35l36_dapm_widgets,
1294 .num_dapm_widgets = ARRAY_SIZE(cs35l36_dapm_widgets),
1295 .dapm_routes = cs35l36_audio_map,
1296 .num_dapm_routes = ARRAY_SIZE(cs35l36_audio_map),
1297 .controls = cs35l36_aud_controls,
1298 .num_controls = ARRAY_SIZE(cs35l36_aud_controls),
1299 .idle_bias_on = 1,
1300 .use_pmdown_time = 1,
1301 .endianness = 1,
1302 .non_legacy_dai_naming = 1,
1305 static struct regmap_config cs35l36_regmap = {
1306 .reg_bits = 32,
1307 .val_bits = 32,
1308 .reg_stride = 4,
1309 .max_register = CS35L36_PAC_PMEM_WORD1023,
1310 .reg_defaults = cs35l36_reg,
1311 .num_reg_defaults = ARRAY_SIZE(cs35l36_reg),
1312 .precious_reg = cs35l36_precious_reg,
1313 .volatile_reg = cs35l36_volatile_reg,
1314 .readable_reg = cs35l36_readable_reg,
1315 .cache_type = REGCACHE_RBTREE,
1318 static irqreturn_t cs35l36_irq(int irq, void *data)
1320 struct cs35l36_private *cs35l36 = data;
1321 unsigned int status[4];
1322 unsigned int masks[4];
1323 int ret = IRQ_NONE;
1325 /* ack the irq by reading all status registers */
1326 regmap_bulk_read(cs35l36->regmap, CS35L36_INT1_STATUS, status,
1327 ARRAY_SIZE(status));
1329 regmap_bulk_read(cs35l36->regmap, CS35L36_INT1_MASK, masks,
1330 ARRAY_SIZE(masks));
1332 /* Check to see if unmasked bits are active */
1333 if (!(status[0] & ~masks[0]) && !(status[1] & ~masks[1]) &&
1334 !(status[2] & ~masks[2]) && !(status[3] & ~masks[3])) {
1335 return IRQ_NONE;
1339 * The following interrupts require a
1340 * protection release cycle to get the
1341 * speaker out of Safe-Mode.
1343 if (status[2] & CS35L36_AMP_SHORT_ERR) {
1344 dev_crit(cs35l36->dev, "Amp short error\n");
1345 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1346 CS35L36_AMP_SHORT_ERR_RLS, 0);
1347 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1348 CS35L36_AMP_SHORT_ERR_RLS,
1349 CS35L36_AMP_SHORT_ERR_RLS);
1350 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1351 CS35L36_AMP_SHORT_ERR_RLS, 0);
1352 regmap_update_bits(cs35l36->regmap, CS35L36_INT3_STATUS,
1353 CS35L36_AMP_SHORT_ERR,
1354 CS35L36_AMP_SHORT_ERR);
1355 ret = IRQ_HANDLED;
1358 if (status[0] & CS35L36_TEMP_WARN) {
1359 dev_crit(cs35l36->dev, "Over temperature warning\n");
1360 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1361 CS35L36_TEMP_WARN_ERR_RLS, 0);
1362 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1363 CS35L36_TEMP_WARN_ERR_RLS,
1364 CS35L36_TEMP_WARN_ERR_RLS);
1365 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1366 CS35L36_TEMP_WARN_ERR_RLS, 0);
1367 regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
1368 CS35L36_TEMP_WARN, CS35L36_TEMP_WARN);
1369 ret = IRQ_HANDLED;
1372 if (status[0] & CS35L36_TEMP_ERR) {
1373 dev_crit(cs35l36->dev, "Over temperature error\n");
1374 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1375 CS35L36_TEMP_ERR_RLS, 0);
1376 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1377 CS35L36_TEMP_ERR_RLS, CS35L36_TEMP_ERR_RLS);
1378 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1379 CS35L36_TEMP_ERR_RLS, 0);
1380 regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
1381 CS35L36_TEMP_ERR, CS35L36_TEMP_ERR);
1382 ret = IRQ_HANDLED;
1385 if (status[0] & CS35L36_BST_OVP_ERR) {
1386 dev_crit(cs35l36->dev, "VBST Over Voltage error\n");
1387 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1388 CS35L36_TEMP_ERR_RLS, 0);
1389 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1390 CS35L36_TEMP_ERR_RLS, CS35L36_TEMP_ERR_RLS);
1391 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1392 CS35L36_TEMP_ERR_RLS, 0);
1393 regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
1394 CS35L36_BST_OVP_ERR, CS35L36_BST_OVP_ERR);
1395 ret = IRQ_HANDLED;
1398 if (status[0] & CS35L36_BST_DCM_UVP_ERR) {
1399 dev_crit(cs35l36->dev, "DCM VBST Under Voltage Error\n");
1400 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1401 CS35L36_BST_UVP_ERR_RLS, 0);
1402 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1403 CS35L36_BST_UVP_ERR_RLS,
1404 CS35L36_BST_UVP_ERR_RLS);
1405 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1406 CS35L36_BST_UVP_ERR_RLS, 0);
1407 regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
1408 CS35L36_BST_DCM_UVP_ERR,
1409 CS35L36_BST_DCM_UVP_ERR);
1410 ret = IRQ_HANDLED;
1413 if (status[0] & CS35L36_BST_SHORT_ERR) {
1414 dev_crit(cs35l36->dev, "LBST SHORT error!\n");
1415 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1416 CS35L36_BST_SHORT_ERR_RLS, 0);
1417 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1418 CS35L36_BST_SHORT_ERR_RLS,
1419 CS35L36_BST_SHORT_ERR_RLS);
1420 regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
1421 CS35L36_BST_SHORT_ERR_RLS, 0);
1422 regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
1423 CS35L36_BST_SHORT_ERR,
1424 CS35L36_BST_SHORT_ERR);
1425 ret = IRQ_HANDLED;
1428 return ret;
1431 static int cs35l36_handle_of_data(struct i2c_client *i2c_client,
1432 struct cs35l36_platform_data *pdata)
1434 struct device_node *np = i2c_client->dev.of_node;
1435 struct cs35l36_vpbr_cfg *vpbr_config = &pdata->vpbr_config;
1436 struct device_node *vpbr_node;
1437 unsigned int val;
1438 int ret;
1440 if (!np)
1441 return 0;
1443 ret = of_property_read_u32(np, "cirrus,boost-ctl-millivolt", &val);
1444 if (!ret) {
1445 if (val < 2550 || val > 12000) {
1446 dev_err(&i2c_client->dev,
1447 "Invalid Boost Voltage %d mV\n", val);
1448 return -EINVAL;
1450 pdata->bst_vctl = (((val - 2550) / 100) + 1) << 1;
1451 } else {
1452 dev_err(&i2c_client->dev,
1453 "Unable to find required parameter 'cirrus,boost-ctl-millivolt'");
1454 return -EINVAL;
1457 ret = of_property_read_u32(np, "cirrus,boost-ctl-select", &val);
1458 if (!ret)
1459 pdata->bst_vctl_sel = val | CS35L36_VALID_PDATA;
1461 ret = of_property_read_u32(np, "cirrus,boost-peak-milliamp", &val);
1462 if (!ret) {
1463 if (val < 1600 || val > 4500) {
1464 dev_err(&i2c_client->dev,
1465 "Invalid Boost Peak Current %u mA\n", val);
1466 return -EINVAL;
1469 pdata->bst_ipk = (val - 1600) / 50;
1470 } else {
1471 dev_err(&i2c_client->dev,
1472 "Unable to find required parameter 'cirrus,boost-peak-milliamp'");
1473 return -EINVAL;
1476 pdata->multi_amp_mode = of_property_read_bool(np,
1477 "cirrus,multi-amp-mode");
1479 pdata->dcm_mode = of_property_read_bool(np,
1480 "cirrus,dcm-mode-enable");
1482 pdata->amp_pcm_inv = of_property_read_bool(np,
1483 "cirrus,amp-pcm-inv");
1485 pdata->imon_pol_inv = of_property_read_bool(np,
1486 "cirrus,imon-pol-inv");
1488 pdata->vmon_pol_inv = of_property_read_bool(np,
1489 "cirrus,vmon-pol-inv");
1491 if (of_property_read_u32(np, "cirrus,temp-warn-threshold", &val) >= 0)
1492 pdata->temp_warn_thld = val | CS35L36_VALID_PDATA;
1494 if (of_property_read_u32(np, "cirrus,boost-ind-nanohenry", &val) >= 0) {
1495 pdata->boost_ind = val;
1496 } else {
1497 dev_err(&i2c_client->dev, "Inductor not specified.\n");
1498 return -EINVAL;
1501 if (of_property_read_u32(np, "cirrus,irq-drive-select", &val) >= 0)
1502 pdata->irq_drv_sel = val | CS35L36_VALID_PDATA;
1504 if (of_property_read_u32(np, "cirrus,irq-gpio-select", &val) >= 0)
1505 pdata->irq_gpio_sel = val | CS35L36_VALID_PDATA;
1507 /* VPBR Config */
1508 vpbr_node = of_get_child_by_name(np, "cirrus,vpbr-config");
1509 vpbr_config->is_present = vpbr_node ? true : false;
1510 if (vpbr_config->is_present) {
1511 if (of_property_read_u32(vpbr_node, "cirrus,vpbr-en",
1512 &val) >= 0)
1513 vpbr_config->vpbr_en = val;
1514 if (of_property_read_u32(vpbr_node, "cirrus,vpbr-thld",
1515 &val) >= 0)
1516 vpbr_config->vpbr_thld = val;
1517 if (of_property_read_u32(vpbr_node, "cirrus,vpbr-atk-rate",
1518 &val) >= 0)
1519 vpbr_config->vpbr_atk_rate = val;
1520 if (of_property_read_u32(vpbr_node, "cirrus,vpbr-atk-vol",
1521 &val) >= 0)
1522 vpbr_config->vpbr_atk_vol = val;
1523 if (of_property_read_u32(vpbr_node, "cirrus,vpbr-max-attn",
1524 &val) >= 0)
1525 vpbr_config->vpbr_max_attn = val;
1526 if (of_property_read_u32(vpbr_node, "cirrus,vpbr-wait",
1527 &val) >= 0)
1528 vpbr_config->vpbr_wait = val;
1529 if (of_property_read_u32(vpbr_node, "cirrus,vpbr-rel-rate",
1530 &val) >= 0)
1531 vpbr_config->vpbr_rel_rate = val;
1532 if (of_property_read_u32(vpbr_node, "cirrus,vpbr-mute-en",
1533 &val) >= 0)
1534 vpbr_config->vpbr_mute_en = val;
1536 of_node_put(vpbr_node);
1538 return 0;
1541 static int cs35l36_pac(struct cs35l36_private *cs35l36)
1543 int ret, count;
1544 unsigned int val;
1546 if (cs35l36->rev_id != CS35L36_REV_B0)
1547 return 0;
1550 * Magic code for internal PAC
1552 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1553 CS35L36_TEST_UNLOCK1);
1554 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1555 CS35L36_TEST_UNLOCK2);
1557 usleep_range(9500, 10500);
1559 regmap_write(cs35l36->regmap, CS35L36_PAC_CTL1,
1560 CS35L36_PAC_RESET);
1561 regmap_write(cs35l36->regmap, CS35L36_PAC_CTL3,
1562 CS35L36_PAC_MEM_ACCESS);
1563 regmap_write(cs35l36->regmap, CS35L36_PAC_PMEM_WORD0,
1564 CS35L36_B0_PAC_PATCH);
1566 regmap_write(cs35l36->regmap, CS35L36_PAC_CTL3,
1567 CS35L36_PAC_MEM_ACCESS_CLR);
1568 regmap_write(cs35l36->regmap, CS35L36_PAC_CTL1,
1569 CS35L36_PAC_ENABLE_MASK);
1571 usleep_range(9500, 10500);
1573 ret = regmap_read(cs35l36->regmap, CS35L36_INT4_STATUS, &val);
1574 if (ret < 0) {
1575 dev_err(cs35l36->dev, "Failed to read int4_status %d\n", ret);
1576 return ret;
1579 count = 0;
1580 while (!(val & CS35L36_MCU_CONFIG_CLR)) {
1581 usleep_range(100, 200);
1582 count++;
1584 ret = regmap_read(cs35l36->regmap, CS35L36_INT4_STATUS,
1585 &val);
1586 if (ret < 0) {
1587 dev_err(cs35l36->dev, "Failed to read int4_status %d\n",
1588 ret);
1589 return ret;
1592 if (count >= 100)
1593 return -EINVAL;
1596 regmap_write(cs35l36->regmap, CS35L36_INT4_STATUS,
1597 CS35L36_MCU_CONFIG_CLR);
1598 regmap_update_bits(cs35l36->regmap, CS35L36_PAC_CTL1,
1599 CS35L36_PAC_ENABLE_MASK, 0);
1601 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1602 CS35L36_TEST_LOCK1);
1603 regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
1604 CS35L36_TEST_LOCK2);
1606 return 0;
1609 static void cs35l36_apply_vpbr_config(struct cs35l36_private *cs35l36)
1611 struct cs35l36_platform_data *pdata = &cs35l36->pdata;
1612 struct cs35l36_vpbr_cfg *vpbr_config = &pdata->vpbr_config;
1614 regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL3,
1615 CS35L36_VPBR_EN_MASK,
1616 vpbr_config->vpbr_en <<
1617 CS35L36_VPBR_EN_SHIFT);
1618 regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
1619 CS35L36_VPBR_THLD_MASK,
1620 vpbr_config->vpbr_thld <<
1621 CS35L36_VPBR_THLD_SHIFT);
1622 regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
1623 CS35L36_VPBR_MAX_ATTN_MASK,
1624 vpbr_config->vpbr_max_attn <<
1625 CS35L36_VPBR_MAX_ATTN_SHIFT);
1626 regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
1627 CS35L36_VPBR_ATK_VOL_MASK,
1628 vpbr_config->vpbr_atk_vol <<
1629 CS35L36_VPBR_ATK_VOL_SHIFT);
1630 regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
1631 CS35L36_VPBR_ATK_RATE_MASK,
1632 vpbr_config->vpbr_atk_rate <<
1633 CS35L36_VPBR_ATK_RATE_SHIFT);
1634 regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
1635 CS35L36_VPBR_WAIT_MASK,
1636 vpbr_config->vpbr_wait <<
1637 CS35L36_VPBR_WAIT_SHIFT);
1638 regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
1639 CS35L36_VPBR_REL_RATE_MASK,
1640 vpbr_config->vpbr_rel_rate <<
1641 CS35L36_VPBR_REL_RATE_SHIFT);
1642 regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
1643 CS35L36_VPBR_MUTE_EN_MASK,
1644 vpbr_config->vpbr_mute_en <<
1645 CS35L36_VPBR_MUTE_EN_SHIFT);
1648 static const struct reg_sequence cs35l36_reva0_errata_patch[] = {
1649 { CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK1 },
1650 { CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK2 },
1651 /* Errata Writes */
1652 { CS35L36_OTP_CTRL1, 0x00002060 },
1653 { CS35L36_OTP_CTRL2, 0x00000001 },
1654 { CS35L36_OTP_CTRL1, 0x00002460 },
1655 { CS35L36_OTP_CTRL2, 0x00000001 },
1656 { 0x00002088, 0x012A1838 },
1657 { 0x00003014, 0x0100EE0E },
1658 { 0x00003008, 0x0008184A },
1659 { 0x00007418, 0x509001C8 },
1660 { 0x00007064, 0x0929A800 },
1661 { 0x00002D10, 0x0002C01C },
1662 { 0x0000410C, 0x00000A11 },
1663 { 0x00006E08, 0x8B19140C },
1664 { 0x00006454, 0x0300000A },
1665 { CS35L36_AMP_NG_CTRL, 0x000020EF },
1666 { 0x00007E34, 0x0000000E },
1667 { 0x0000410C, 0x00000A11 },
1668 { 0x00007410, 0x20514B00 },
1669 /* PAC Config */
1670 { CS35L36_CTRL_OVRRIDE, 0x00000000 },
1671 { CS35L36_PAC_INT0_CTRL, 0x00860001 },
1672 { CS35L36_PAC_INT1_CTRL, 0x00860001 },
1673 { CS35L36_PAC_INT2_CTRL, 0x00860001 },
1674 { CS35L36_PAC_INT3_CTRL, 0x00860001 },
1675 { CS35L36_PAC_INT4_CTRL, 0x00860001 },
1676 { CS35L36_PAC_INT5_CTRL, 0x00860001 },
1677 { CS35L36_PAC_INT6_CTRL, 0x00860001 },
1678 { CS35L36_PAC_INT7_CTRL, 0x00860001 },
1679 { CS35L36_PAC_INT_FLUSH_CTRL, 0x000000FF },
1680 { CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK1 },
1681 { CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK2 },
1684 static const struct reg_sequence cs35l36_revb0_errata_patch[] = {
1685 { CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK1 },
1686 { CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK2 },
1687 { 0x00007064, 0x0929A800 },
1688 { 0x00007850, 0x00002FA9 },
1689 { 0x00007854, 0x0003F1D5 },
1690 { 0x00007858, 0x0003F5E3 },
1691 { 0x0000785C, 0x00001137 },
1692 { 0x00007860, 0x0001A7A5 },
1693 { 0x00007864, 0x0002F16A },
1694 { 0x00007868, 0x00003E21 },
1695 { 0x00007848, 0x00000001 },
1696 { 0x00003854, 0x05180240 },
1697 { 0x00007418, 0x509001C8 },
1698 { 0x0000394C, 0x028764BD },
1699 { CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK1 },
1700 { CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK2 },
1703 static int cs35l36_i2c_probe(struct i2c_client *i2c_client,
1704 const struct i2c_device_id *id)
1706 struct cs35l36_private *cs35l36;
1707 struct device *dev = &i2c_client->dev;
1708 struct cs35l36_platform_data *pdata = dev_get_platdata(dev);
1709 struct irq_data *irq_d;
1710 int ret, irq_pol, chip_irq_pol, i;
1711 u32 reg_id, reg_revid, l37_id_reg;
1713 cs35l36 = devm_kzalloc(dev, sizeof(struct cs35l36_private), GFP_KERNEL);
1714 if (!cs35l36)
1715 return -ENOMEM;
1717 cs35l36->dev = dev;
1719 i2c_set_clientdata(i2c_client, cs35l36);
1720 cs35l36->regmap = devm_regmap_init_i2c(i2c_client, &cs35l36_regmap);
1721 if (IS_ERR(cs35l36->regmap)) {
1722 ret = PTR_ERR(cs35l36->regmap);
1723 dev_err(dev, "regmap_init() failed: %d\n", ret);
1724 goto err;
1727 cs35l36->num_supplies = ARRAY_SIZE(cs35l36_supplies);
1728 for (i = 0; i < ARRAY_SIZE(cs35l36_supplies); i++)
1729 cs35l36->supplies[i].supply = cs35l36_supplies[i];
1731 ret = devm_regulator_bulk_get(dev, cs35l36->num_supplies,
1732 cs35l36->supplies);
1733 if (ret != 0) {
1734 dev_err(dev, "Failed to request core supplies: %d\n", ret);
1735 return ret;
1738 if (pdata) {
1739 cs35l36->pdata = *pdata;
1740 } else {
1741 pdata = devm_kzalloc(dev, sizeof(struct cs35l36_platform_data),
1742 GFP_KERNEL);
1743 if (!pdata)
1744 return -ENOMEM;
1746 if (i2c_client->dev.of_node) {
1747 ret = cs35l36_handle_of_data(i2c_client, pdata);
1748 if (ret != 0)
1749 return ret;
1753 cs35l36->pdata = *pdata;
1756 ret = regulator_bulk_enable(cs35l36->num_supplies, cs35l36->supplies);
1757 if (ret != 0) {
1758 dev_err(dev, "Failed to enable core supplies: %d\n", ret);
1759 return ret;
1762 /* returning NULL can be an option if in stereo mode */
1763 cs35l36->reset_gpio = devm_gpiod_get_optional(dev, "reset",
1764 GPIOD_OUT_LOW);
1765 if (IS_ERR(cs35l36->reset_gpio)) {
1766 ret = PTR_ERR(cs35l36->reset_gpio);
1767 cs35l36->reset_gpio = NULL;
1768 if (ret == -EBUSY) {
1769 dev_info(dev, "Reset line busy, assuming shared reset\n");
1770 } else {
1771 dev_err(dev, "Failed to get reset GPIO: %d\n", ret);
1772 goto err_disable_regs;
1776 if (cs35l36->reset_gpio)
1777 gpiod_set_value_cansleep(cs35l36->reset_gpio, 1);
1779 usleep_range(2000, 2100);
1781 /* initialize amplifier */
1782 ret = regmap_read(cs35l36->regmap, CS35L36_SW_RESET, &reg_id);
1783 if (ret < 0) {
1784 dev_err(dev, "Get Device ID failed %d\n", ret);
1785 goto err;
1788 if (reg_id != CS35L36_CHIP_ID) {
1789 dev_err(dev, "Device ID (%X). Expected ID %X\n", reg_id,
1790 CS35L36_CHIP_ID);
1791 ret = -ENODEV;
1792 goto err;
1795 ret = regmap_read(cs35l36->regmap, CS35L36_REV_ID, &reg_revid);
1796 if (ret < 0) {
1797 dev_err(&i2c_client->dev, "Get Revision ID failed %d\n", ret);
1798 goto err;
1801 cs35l36->rev_id = reg_revid >> 8;
1803 ret = regmap_read(cs35l36->regmap, CS35L36_OTP_MEM30, &l37_id_reg);
1804 if (ret < 0) {
1805 dev_err(&i2c_client->dev, "Failed to read otp_id Register %d\n",
1806 ret);
1807 return ret;
1810 if ((l37_id_reg & CS35L36_OTP_REV_MASK) == CS35L36_OTP_REV_L37)
1811 cs35l36->chip_version = CS35L36_12V_L37;
1812 else
1813 cs35l36->chip_version = CS35L36_10V_L36;
1815 switch (cs35l36->rev_id) {
1816 case CS35L36_REV_A0:
1817 ret = regmap_register_patch(cs35l36->regmap,
1818 cs35l36_reva0_errata_patch,
1819 ARRAY_SIZE(cs35l36_reva0_errata_patch));
1820 if (ret < 0) {
1821 dev_err(dev, "Failed to apply A0 errata patch %d\n",
1822 ret);
1823 goto err;
1825 break;
1826 case CS35L36_REV_B0:
1827 ret = cs35l36_pac(cs35l36);
1828 if (ret < 0) {
1829 dev_err(dev, "Failed to Trim OTP %d\n", ret);
1830 goto err;
1833 ret = regmap_register_patch(cs35l36->regmap,
1834 cs35l36_revb0_errata_patch,
1835 ARRAY_SIZE(cs35l36_revb0_errata_patch));
1836 if (ret < 0) {
1837 dev_err(dev, "Failed to apply B0 errata patch %d\n",
1838 ret);
1839 goto err;
1841 break;
1844 if (pdata->vpbr_config.is_present)
1845 cs35l36_apply_vpbr_config(cs35l36);
1847 irq_d = irq_get_irq_data(i2c_client->irq);
1848 if (!irq_d) {
1849 dev_err(&i2c_client->dev, "Invalid IRQ: %d\n", i2c_client->irq);
1850 ret = -ENODEV;
1851 goto err;
1854 irq_pol = irqd_get_trigger_type(irq_d);
1856 switch (irq_pol) {
1857 case IRQF_TRIGGER_FALLING:
1858 case IRQF_TRIGGER_LOW:
1859 chip_irq_pol = 0;
1860 break;
1861 case IRQF_TRIGGER_RISING:
1862 case IRQF_TRIGGER_HIGH:
1863 chip_irq_pol = 1;
1864 break;
1865 default:
1866 dev_err(cs35l36->dev, "Invalid IRQ polarity: %d\n", irq_pol);
1867 ret = -EINVAL;
1868 goto err;
1871 regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE,
1872 CS35L36_INT_POL_SEL_MASK,
1873 chip_irq_pol << CS35L36_INT_POL_SEL_SHIFT);
1875 ret = devm_request_threaded_irq(dev, i2c_client->irq, NULL, cs35l36_irq,
1876 IRQF_ONESHOT | irq_pol, "cs35l36",
1877 cs35l36);
1878 if (ret != 0) {
1879 dev_err(dev, "Failed to request IRQ: %d\n", ret);
1880 goto err;
1883 regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE,
1884 CS35L36_INT_OUTPUT_EN_MASK, 1);
1886 /* Set interrupt masks for critical errors */
1887 regmap_write(cs35l36->regmap, CS35L36_INT1_MASK,
1888 CS35L36_INT1_MASK_DEFAULT);
1889 regmap_write(cs35l36->regmap, CS35L36_INT3_MASK,
1890 CS35L36_INT3_MASK_DEFAULT);
1892 dev_info(&i2c_client->dev, "Cirrus Logic CS35L%d, Revision: %02X\n",
1893 cs35l36->chip_version, reg_revid >> 8);
1895 ret = devm_snd_soc_register_component(dev, &soc_component_dev_cs35l36,
1896 cs35l36_dai,
1897 ARRAY_SIZE(cs35l36_dai));
1898 if (ret < 0) {
1899 dev_err(dev, "%s: Register component failed %d\n", __func__,
1900 ret);
1901 goto err;
1904 return 0;
1906 err:
1907 gpiod_set_value_cansleep(cs35l36->reset_gpio, 0);
1909 err_disable_regs:
1910 regulator_bulk_disable(cs35l36->num_supplies, cs35l36->supplies);
1911 return ret;
1914 static int cs35l36_i2c_remove(struct i2c_client *client)
1916 struct cs35l36_private *cs35l36 = i2c_get_clientdata(client);
1918 /* Reset interrupt masks for device removal */
1919 regmap_write(cs35l36->regmap, CS35L36_INT1_MASK,
1920 CS35L36_INT1_MASK_RESET);
1921 regmap_write(cs35l36->regmap, CS35L36_INT3_MASK,
1922 CS35L36_INT3_MASK_RESET);
1924 if (cs35l36->reset_gpio)
1925 gpiod_set_value_cansleep(cs35l36->reset_gpio, 0);
1927 regulator_bulk_disable(cs35l36->num_supplies, cs35l36->supplies);
1929 return 0;
1931 static const struct of_device_id cs35l36_of_match[] = {
1932 {.compatible = "cirrus,cs35l36"},
1935 MODULE_DEVICE_TABLE(of, cs35l36_of_match);
1937 static const struct i2c_device_id cs35l36_id[] = {
1938 {"cs35l36", 0},
1942 MODULE_DEVICE_TABLE(i2c, cs35l36_id);
1944 static struct i2c_driver cs35l36_i2c_driver = {
1945 .driver = {
1946 .name = "cs35l36",
1947 .of_match_table = cs35l36_of_match,
1949 .id_table = cs35l36_id,
1950 .probe = cs35l36_i2c_probe,
1951 .remove = cs35l36_i2c_remove,
1953 module_i2c_driver(cs35l36_i2c_driver);
1955 MODULE_DESCRIPTION("ASoC CS35L36 driver");
1956 MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
1957 MODULE_LICENSE("GPL");