xref: /linux/include/sound/cs35l56.h (revision 509d3f45847627f4c5cdce004c3ec79262b5239c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Common definitions for Cirrus Logic CS35L56 smart amp
4  *
5  * Copyright (C) 2023 Cirrus Logic, Inc. and
6  *                    Cirrus Logic International Semiconductor Ltd.
7  */
8 
9 #ifndef __CS35L56_H
10 #define __CS35L56_H
11 
12 #include <linux/debugfs.h>
13 #include <linux/firmware/cirrus/cs_dsp.h>
14 #include <linux/regulator/consumer.h>
15 #include <linux/regmap.h>
16 #include <linux/spi/spi.h>
17 #include <sound/cs-amp-lib.h>
18 
19 struct snd_ctl_elem_value;
20 
21 #define CS35L56_DEVID					0x0000000
22 #define CS35L56_REVID					0x0000004
23 #define CS35L56_RELID					0x000000C
24 #define CS35L56_OTPID					0x0000010
25 #define CS35L56_SFT_RESET				0x0000020
26 #define CS35L56_GLOBAL_ENABLES				0x0002014
27 #define CS35L56_BLOCK_ENABLES				0x0002018
28 #define CS35L56_BLOCK_ENABLES2				0x000201C
29 #define CS35L56_REFCLK_INPUT				0x0002C04
30 #define CS35L56_GLOBAL_SAMPLE_RATE			0x0002C0C
31 #define CS35L56_OTP_MEM_53				0x00300D4
32 #define CS35L56_OTP_MEM_54				0x00300D8
33 #define CS35L56_OTP_MEM_55				0x00300DC
34 #define CS35L56_ASP1_ENABLES1				0x0004800
35 #define CS35L56_ASP1_CONTROL1				0x0004804
36 #define CS35L56_ASP1_CONTROL2				0x0004808
37 #define CS35L56_ASP1_CONTROL3				0x000480C
38 #define CS35L56_ASP1_FRAME_CONTROL1			0x0004810
39 #define CS35L56_ASP1_FRAME_CONTROL5			0x0004820
40 #define CS35L56_ASP1_DATA_CONTROL1			0x0004830
41 #define CS35L56_ASP1_DATA_CONTROL5			0x0004840
42 #define CS35L56_DACPCM1_INPUT				0x0004C00
43 #define CS35L56_DACPCM2_INPUT				0x0004C08
44 #define CS35L56_ASP1TX1_INPUT				0x0004C20
45 #define CS35L56_ASP1TX2_INPUT				0x0004C24
46 #define CS35L56_ASP1TX3_INPUT				0x0004C28
47 #define CS35L56_ASP1TX4_INPUT				0x0004C2C
48 #define CS35L56_DSP1RX1_INPUT				0x0004C40
49 #define CS35L56_DSP1RX2_INPUT				0x0004C44
50 #define CS35L56_SWIRE_DP3_CH1_INPUT			0x0004C70
51 #define CS35L56_SWIRE_DP3_CH2_INPUT			0x0004C74
52 #define CS35L56_SWIRE_DP3_CH3_INPUT			0x0004C78
53 #define CS35L56_SWIRE_DP3_CH4_INPUT			0x0004C7C
54 #define CS35L56_IRQ1_CFG				0x000E000
55 #define CS35L56_IRQ1_STATUS				0x000E004
56 #define CS35L56_IRQ1_EINT_1				0x000E010
57 #define CS35L56_IRQ1_EINT_2				0x000E014
58 #define CS35L56_IRQ1_EINT_4				0x000E01C
59 #define CS35L56_IRQ1_EINT_8				0x000E02C
60 #define CS35L56_IRQ1_EINT_18				0x000E054
61 #define CS35L56_IRQ1_EINT_20				0x000E05C
62 #define CS35L56_IRQ1_MASK_1				0x000E090
63 #define CS35L56_IRQ1_MASK_2				0x000E094
64 #define CS35L56_IRQ1_MASK_4				0x000E09C
65 #define CS35L56_IRQ1_MASK_8				0x000E0AC
66 #define CS35L56_IRQ1_MASK_18				0x000E0D4
67 #define CS35L56_IRQ1_MASK_20				0x000E0DC
68 #define CS35L56_MIXER_NGATE_CH1_CFG			0x0010004
69 #define CS35L56_MIXER_NGATE_CH2_CFG			0x0010008
70 #define CS35L56_DSP_MBOX_1_RAW				0x0011000
71 #define CS35L56_DSP_VIRTUAL1_MBOX_1			0x0011020
72 #define CS35L56_DSP_VIRTUAL1_MBOX_2			0x0011024
73 #define CS35L56_DSP_VIRTUAL1_MBOX_3			0x0011028
74 #define CS35L56_DSP_VIRTUAL1_MBOX_4			0x001102C
75 #define CS35L56_DSP_VIRTUAL1_MBOX_5			0x0011030
76 #define CS35L56_DSP_VIRTUAL1_MBOX_6			0x0011034
77 #define CS35L56_DSP_VIRTUAL1_MBOX_7			0x0011038
78 #define CS35L56_DSP_VIRTUAL1_MBOX_8			0x001103C
79 #define CS35L56_DIE_STS1				0x0017040
80 #define CS35L56_DIE_STS2				0x0017044
81 #define CS35L56_DSP_RESTRICT_STS1			0x00190F0
82 #define CS35L56_DSP1_XMEM_PACKED_0			0x2000000
83 #define CS35L56_DSP1_XMEM_PACKED_6143			0x2005FFC
84 #define CS35L56_DSP1_XMEM_UNPACKED32_0			0x2400000
85 #define CS35L56_DSP1_XMEM_UNPACKED32_4095		0x2403FFC
86 #define CS35L56_DSP1_SYS_INFO_ID			0x25E0000
87 #define CS35L56_DSP1_SYS_INFO_END			0x25E004C
88 #define CS35L56_DSP1_AHBM_WINDOW_DEBUG_0		0x25E2040
89 #define CS35L56_DSP1_AHBM_WINDOW_DEBUG_1		0x25E2044
90 #define CS35L56_DSP1_XMEM_UNPACKED24_0			0x2800000
91 #define CS35L56_DSP1_FW_VER				0x2800010
92 #define CS35L56_DSP1_HALO_STATE				0x28021E0
93 #define CS35L56_B2_DSP1_HALO_STATE			0x2803D20
94 #define CS35L56_DSP1_PM_CUR_STATE			0x2804308
95 #define CS35L56_B2_DSP1_PM_CUR_STATE			0x2804678
96 #define CS35L56_DSP1_XMEM_UNPACKED24_8191		0x2807FFC
97 #define CS35L56_DSP1_CORE_BASE				0x2B80000
98 #define CS35L56_DSP1_SCRATCH1				0x2B805C0
99 #define CS35L56_DSP1_SCRATCH2				0x2B805C8
100 #define CS35L56_DSP1_SCRATCH3				0x2B805D0
101 #define CS35L56_DSP1_SCRATCH4				0x2B805D8
102 #define CS35L56_DSP1_YMEM_PACKED_0			0x2C00000
103 #define CS35L56_DSP1_YMEM_PACKED_4604			0x2C047F0
104 #define CS35L56_DSP1_YMEM_UNPACKED32_0			0x3000000
105 #define CS35L56_DSP1_YMEM_UNPACKED32_3070		0x3002FF8
106 #define CS35L56_DSP1_YMEM_UNPACKED24_0			0x3400000
107 #define CS35L56_MAIN_RENDER_USER_MUTE			0x3400024
108 #define CS35L56_MAIN_RENDER_USER_VOLUME			0x340002C
109 #define CS35L56_MAIN_POSTURE_NUMBER			0x3400094
110 #define CS35L56_PROTECTION_STATUS			0x34000D8
111 #define CS35L56_TRANSDUCER_ACTUAL_PS			0x3400150
112 #define CS35L56_DSP1_YMEM_UNPACKED24_6141		0x3405FF4
113 #define CS35L56_DSP1_PMEM_0				0x3800000
114 #define CS35L56_DSP1_PMEM_5114				0x3804FE8
115 
116 #define CS35L63_DSP1_FW_VER				CS35L56_DSP1_FW_VER
117 #define CS35L63_DSP1_HALO_STATE				0x2803C04
118 #define CS35L63_DSP1_PM_CUR_STATE			0x2804518
119 #define CS35L63_PROTECTION_STATUS			0x340009C
120 #define CS35L63_TRANSDUCER_ACTUAL_PS			0x34000F4
121 #define CS35L63_MAIN_RENDER_USER_MUTE			0x3400020
122 #define CS35L63_MAIN_RENDER_USER_VOLUME			0x3400028
123 #define CS35L63_MAIN_POSTURE_NUMBER			0x3400068
124 
125 /* DEVID */
126 #define CS35L56_DEVID_MASK				0x00FFFFFF
127 
128 /* REVID */
129 #define CS35L56_AREVID_MASK				0x000000F0
130 #define CS35L56_MTLREVID_MASK				0x0000000F
131 #define CS35L56_REVID_B0				0x000000B0
132 
133 /* ASP_ENABLES1 */
134 #define CS35L56_ASP_RX2_EN_SHIFT			17
135 #define CS35L56_ASP_RX1_EN_SHIFT			16
136 #define CS35L56_ASP_TX4_EN_SHIFT			3
137 #define CS35L56_ASP_TX3_EN_SHIFT			2
138 #define CS35L56_ASP_TX2_EN_SHIFT			1
139 #define CS35L56_ASP_TX1_EN_SHIFT			0
140 
141 /* ASP_CONTROL1 */
142 #define CS35L56_ASP_BCLK_FREQ_MASK			0x0000003F
143 #define CS35L56_ASP_BCLK_FREQ_SHIFT			0
144 
145 /* ASP_CONTROL2 */
146 #define CS35L56_ASP_RX_WIDTH_MASK			0xFF000000
147 #define CS35L56_ASP_RX_WIDTH_SHIFT			24
148 #define CS35L56_ASP_TX_WIDTH_MASK			0x00FF0000
149 #define CS35L56_ASP_TX_WIDTH_SHIFT			16
150 #define CS35L56_ASP_FMT_MASK				0x00000700
151 #define CS35L56_ASP_FMT_SHIFT				8
152 #define CS35L56_ASP_BCLK_INV_MASK			0x00000040
153 #define CS35L56_ASP_FSYNC_INV_MASK			0x00000004
154 
155 /* ASP_CONTROL3 */
156 #define CS35L56_ASP1_DOUT_HIZ_CTRL_MASK			0x00000003
157 
158 /* ASP_DATA_CONTROL1 */
159 #define CS35L56_ASP_TX_WL_MASK				0x0000003F
160 
161 /* ASP_DATA_CONTROL5 */
162 #define CS35L56_ASP_RX_WL_MASK				0x0000003F
163 
164 /* ASPTXn_INPUT */
165 #define CS35L56_ASP_TXn_SRC_MASK			0x0000007F
166 
167 /* SWIRETX[1..7]_SRC SDWTXn INPUT */
168 #define CS35L56_SWIRETXn_SRC_MASK			0x0000007F
169 
170 /* IRQ1_STATUS */
171 #define CS35L56_IRQ1_STS_MASK				0x00000001
172 
173 /* IRQ1_EINT_1 */
174 #define CS35L56_AMP_SHORT_ERR_EINT1_MASK		0x80000000
175 
176 /* IRQ1_EINT_2 */
177 #define CS35L56_DSP_VIRTUAL2_MBOX_WR_EINT1_MASK		0x00200000
178 
179 /* IRQ1_EINT_4 */
180 #define CS35L56_OTP_BOOT_DONE_MASK			0x00000002
181 
182 /* IRQ1_EINT_8 */
183 #define CS35L56_TEMP_ERR_EINT1_MASK			0x80000000
184 
185 /* MIXER_NGATE_CHn_CFG */
186 #define CS35L56_AUX_NGATE_CHn_EN			0x00000001
187 
188 /* Mixer input sources */
189 #define CS35L56_INPUT_SRC_NONE				0x00
190 #define CS35L56_INPUT_SRC_ASP1RX1			0x08
191 #define CS35L56_INPUT_SRC_ASP1RX2			0x09
192 #define CS35L56_INPUT_SRC_VMON				0x18
193 #define CS35L56_INPUT_SRC_IMON				0x19
194 #define CS35L56_INPUT_SRC_ERR_VOL			0x20
195 #define CS35L56_INPUT_SRC_CLASSH			0x21
196 #define CS35L56_INPUT_SRC_VDDBMON			0x28
197 #define CS35L56_INPUT_SRC_VBSTMON			0x29
198 #define CS35L56_INPUT_SRC_DSP1TX1			0x32
199 #define CS35L56_INPUT_SRC_DSP1TX2			0x33
200 #define CS35L56_INPUT_SRC_DSP1TX3			0x34
201 #define CS35L56_INPUT_SRC_DSP1TX4			0x35
202 #define CS35L56_INPUT_SRC_DSP1TX5			0x36
203 #define CS35L56_INPUT_SRC_DSP1TX6			0x37
204 #define CS35L56_INPUT_SRC_DSP1TX7			0x38
205 #define CS35L56_INPUT_SRC_DSP1TX8			0x39
206 #define CS35L56_INPUT_SRC_TEMPMON			0x3A
207 #define CS35L56_INPUT_SRC_INTERPOLATOR			0x40
208 #define CS35L56_INPUT_SRC_SWIRE_DP1_CHANNEL1		0x44
209 #define CS35L56_INPUT_SRC_SWIRE_DP1_CHANNEL2		0x45
210 #define CS35L56_INPUT_MASK				0x7F
211 
212 #define CS35L56_NUM_INPUT_SRC				21
213 
214 /* ASP formats */
215 #define CS35L56_ASP_FMT_DSP_A				0
216 #define CS35L56_ASP_FMT_I2S				2
217 
218 /* ASP HiZ modes */
219 #define CS35L56_ASP_UNUSED_HIZ_OFF_HIZ			3
220 
221 /* MAIN_RENDER_ACTUAL_PS */
222 #define CS35L56_PS0					0
223 #define CS35L56_PS3					3
224 
225 /* CS35L56_DSP_RESTRICT_STS1 */
226 #define CS35L56_RESTRICTED_MASK				0x7
227 
228 /* CS35L56_MAIN_RENDER_USER_MUTE */
229 #define CS35L56_MAIN_RENDER_USER_MUTE_MASK		1
230 
231 /* CS35L56_MAIN_RENDER_USER_VOLUME */
232 #define CS35L56_MAIN_RENDER_USER_VOLUME_MIN		-400
233 #define CS35L56_MAIN_RENDER_USER_VOLUME_MAX		48
234 #define CS35L56_MAIN_RENDER_USER_VOLUME_MASK		0x0000FFC0
235 #define CS35L56_MAIN_RENDER_USER_VOLUME_SHIFT		6
236 #define CS35L56_MAIN_RENDER_USER_VOLUME_SIGNBIT		9
237 
238 /* CS35L56_MAIN_POSTURE_NUMBER */
239 #define CS35L56_MAIN_POSTURE_MIN			0
240 #define CS35L56_MAIN_POSTURE_MAX			255
241 #define CS35L56_MAIN_POSTURE_MASK			CS35L56_MAIN_POSTURE_MAX
242 
243 /* CS35L56_PROTECTION_STATUS */
244 #define CS35L56_FIRMWARE_MISSING			BIT(0)
245 
246 /* Software Values */
247 #define CS35L56_HALO_STATE_SHUTDOWN			1
248 #define CS35L56_HALO_STATE_BOOT_DONE			2
249 
250 #define CS35L56_MBOX_CMD_PING				0x0A000000
251 #define CS35L56_MBOX_CMD_AUDIO_PLAY			0x0B000001
252 #define CS35L56_MBOX_CMD_AUDIO_PAUSE			0x0B000002
253 #define CS35L56_MBOX_CMD_AUDIO_REINIT			0x0B000003
254 #define CS35L56_MBOX_CMD_AUDIO_CALIBRATION		0x0B000006
255 #define CS35L56_MBOX_CMD_HIBERNATE_NOW			0x02000001
256 #define CS35L56_MBOX_CMD_WAKEUP				0x02000002
257 #define CS35L56_MBOX_CMD_PREVENT_AUTO_HIBERNATE		0x02000003
258 #define CS35L56_MBOX_CMD_ALLOW_AUTO_HIBERNATE		0x02000004
259 #define CS35L56_MBOX_CMD_SHUTDOWN			0x02000005
260 #define CS35L56_MBOX_CMD_SYSTEM_RESET			0x02000007
261 
262 #define CS35L56_MBOX_TIMEOUT_US				5000
263 #define CS35L56_MBOX_POLL_US				250
264 
265 #define CS35L56_PS0_POLL_US				500
266 #define CS35L56_PS0_TIMEOUT_US				50000
267 #define CS35L56_PS3_POLL_US				500
268 #define CS35L56_PS3_TIMEOUT_US				300000
269 
270 #define CS35L56_CAL_STATUS_SUCCESS			1
271 #define CS35L56_CAL_STATUS_OUT_OF_RANGE			3
272 
273 #define CS35L56_CAL_SET_STATUS_UNKNOWN			0
274 #define CS35L56_CAL_SET_STATUS_DEFAULT			1
275 #define CS35L56_CAL_SET_STATUS_SET			2
276 
277 #define CS35L56_CONTROL_PORT_READY_US			2200
278 #define CS35L56_HALO_STATE_POLL_US			1000
279 #define CS35L56_HALO_STATE_TIMEOUT_US			250000
280 #define CS35L56_RESET_PULSE_MIN_US			1100
281 #define CS35L56_WAKE_HOLD_TIME_US			1000
282 
283 #define CS35L56_CALIBRATION_POLL_US			(100 * USEC_PER_MSEC)
284 #define CS35L56_CALIBRATION_TIMEOUT_US			(5 * USEC_PER_SEC)
285 
286 #define CS35L56_SDW1_PLAYBACK_PORT			1
287 #define CS35L56_SDW1_CAPTURE_PORT			3
288 
289 #define CS35L56_NUM_BULK_SUPPLIES			3
290 #define CS35L56_NUM_DSP_REGIONS				5
291 
292 /* Additional margin for SYSTEM_RESET to control port ready on SPI */
293 #define CS35L56_SPI_RESET_TO_PORT_READY_US (CS35L56_CONTROL_PORT_READY_US + 2500)
294 
295 struct cs35l56_spi_payload {
296 	__be32	addr;
297 	__be16	pad;
298 	__be32	value;
299 } __packed;
300 static_assert(sizeof(struct cs35l56_spi_payload) == 10);
301 
302 struct cs35l56_fw_reg {
303 	unsigned int fw_ver;
304 	unsigned int halo_state;
305 	unsigned int pm_cur_stat;
306 	unsigned int prot_sts;
307 	unsigned int transducer_actual_ps;
308 	unsigned int user_mute;
309 	unsigned int user_volume;
310 	unsigned int posture_number;
311 };
312 
313 struct cs35l56_cal_debugfs_fops {
314 	const struct debugfs_short_fops calibrate;
315 	const struct debugfs_short_fops cal_temperature;
316 	const struct debugfs_short_fops cal_data;
317 };
318 
319 struct cs35l56_base {
320 	struct device *dev;
321 	struct regmap *regmap;
322 	struct cs_dsp *dsp;
323 	int irq;
324 	struct mutex irq_lock;
325 	u8 type;
326 	u8 rev;
327 	bool init_done;
328 	bool fw_patched;
329 	bool secured;
330 	bool can_hibernate;
331 	bool cal_data_valid;
332 	s8 cal_index;
333 	u8 num_amps;
334 	struct cirrus_amp_cal_data cal_data;
335 	struct gpio_desc *reset_gpio;
336 	struct cs35l56_spi_payload *spi_payload_buf;
337 	const struct cs35l56_fw_reg *fw_reg;
338 	const struct cirrus_amp_cal_controls *calibration_controls;
339 	struct dentry *debugfs;
340 	u64 silicon_uid;
341 };
342 
343 static inline bool cs35l56_is_otp_register(unsigned int reg)
344 {
345 	return (reg >> 16) == 3;
346 }
347 
348 static inline int cs35l56_init_config_for_spi(struct cs35l56_base *cs35l56,
349 					      struct spi_device *spi)
350 {
351 	cs35l56->spi_payload_buf = devm_kzalloc(&spi->dev,
352 						sizeof(*cs35l56->spi_payload_buf),
353 						GFP_KERNEL | GFP_DMA);
354 	if (!cs35l56->spi_payload_buf)
355 		return -ENOMEM;
356 
357 	return 0;
358 }
359 
360 static inline bool cs35l56_is_spi(struct cs35l56_base *cs35l56)
361 {
362 	return IS_ENABLED(CONFIG_SPI_MASTER) && !!cs35l56->spi_payload_buf;
363 }
364 
365 extern const struct regmap_config cs35l56_regmap_i2c;
366 extern const struct regmap_config cs35l56_regmap_spi;
367 extern const struct regmap_config cs35l56_regmap_sdw;
368 extern const struct regmap_config cs35l63_regmap_i2c;
369 extern const struct regmap_config cs35l63_regmap_sdw;
370 
371 extern const struct cirrus_amp_cal_controls cs35l56_calibration_controls;
372 extern const char * const cs35l56_cal_set_status_text[3];
373 
374 extern const char * const cs35l56_tx_input_texts[CS35L56_NUM_INPUT_SRC];
375 extern const unsigned int cs35l56_tx_input_values[CS35L56_NUM_INPUT_SRC];
376 
377 int cs35l56_set_patch(struct cs35l56_base *cs35l56_base);
378 int cs35l56_mbox_send(struct cs35l56_base *cs35l56_base, unsigned int command);
379 int cs35l56_firmware_shutdown(struct cs35l56_base *cs35l56_base);
380 int cs35l56_wait_for_firmware_boot(struct cs35l56_base *cs35l56_base);
381 void cs35l56_wait_control_port_ready(void);
382 void cs35l56_wait_min_reset_pulse(void);
383 void cs35l56_system_reset(struct cs35l56_base *cs35l56_base, bool is_soundwire);
384 int cs35l56_irq_request(struct cs35l56_base *cs35l56_base, int irq);
385 irqreturn_t cs35l56_irq(int irq, void *data);
386 int cs35l56_is_fw_reload_needed(struct cs35l56_base *cs35l56_base);
387 int cs35l56_runtime_suspend_common(struct cs35l56_base *cs35l56_base);
388 int cs35l56_runtime_resume_common(struct cs35l56_base *cs35l56_base, bool is_soundwire);
389 void cs35l56_init_cs_dsp(struct cs35l56_base *cs35l56_base, struct cs_dsp *cs_dsp);
390 int cs35l56_get_calibration(struct cs35l56_base *cs35l56_base);
391 int cs35l56_stash_calibration(struct cs35l56_base *cs35l56_base,
392 			      const struct cirrus_amp_cal_data *data);
393 ssize_t cs35l56_calibrate_debugfs_write(struct cs35l56_base *cs35l56_base,
394 					const char __user *from, size_t count,
395 					loff_t *ppos);
396 ssize_t cs35l56_cal_ambient_debugfs_write(struct cs35l56_base *cs35l56_base,
397 					  const char __user *from, size_t count,
398 					  loff_t *ppos);
399 ssize_t cs35l56_cal_data_debugfs_read(struct cs35l56_base *cs35l56_base,
400 				      char __user *to, size_t count,
401 				      loff_t *ppos);
402 ssize_t cs35l56_cal_data_debugfs_write(struct cs35l56_base *cs35l56_base,
403 				       const char __user *from, size_t count,
404 				       loff_t *ppos);
405 void cs35l56_create_cal_debugfs(struct cs35l56_base *cs35l56_base,
406 				const struct cs35l56_cal_debugfs_fops *fops);
407 void cs35l56_remove_cal_debugfs(struct cs35l56_base *cs35l56_base);
408 int cs35l56_cal_set_status_get(struct cs35l56_base *cs35l56_base,
409 			       struct snd_ctl_elem_value *uvalue);
410 int cs35l56_read_prot_status(struct cs35l56_base *cs35l56_base,
411 			     bool *fw_missing, unsigned int *fw_version);
412 void cs35l56_warn_if_firmware_missing(struct cs35l56_base *cs35l56_base);
413 void cs35l56_log_tuning(struct cs35l56_base *cs35l56_base, struct cs_dsp *cs_dsp);
414 int cs35l56_hw_init(struct cs35l56_base *cs35l56_base);
415 int cs35l56_get_speaker_id(struct cs35l56_base *cs35l56_base);
416 int cs35l56_get_bclk_freq_id(unsigned int freq);
417 void cs35l56_fill_supply_names(struct regulator_bulk_data *data);
418 
419 #endif /* ifndef __CS35L56_H */
420