tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Driver for the PCM512x CODECs
3 *
4 * Author: Mark Brown <broonie@kernel.org>
5 * Copyright 2014 Linaro Ltd
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * version 2 as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 */
16
17#ifndef _SND_SOC_PCM512X
18#define _SND_SOC_PCM512X
19
20#include <linux/pm.h>
21#include <linux/regmap.h>
22
23#define PCM512x_VIRT_BASE 0x100
24#define PCM512x_PAGE_LEN 0x100
25#define PCM512x_PAGE_BASE(n) (PCM512x_VIRT_BASE + (PCM512x_PAGE_LEN * n))
26
27#define PCM512x_PAGE 0
28
29#define PCM512x_RESET (PCM512x_PAGE_BASE(0) + 1)
30#define PCM512x_POWER (PCM512x_PAGE_BASE(0) + 2)
31#define PCM512x_MUTE (PCM512x_PAGE_BASE(0) + 3)
32#define PCM512x_PLL_EN (PCM512x_PAGE_BASE(0) + 4)
33#define PCM512x_SPI_MISO_FUNCTION (PCM512x_PAGE_BASE(0) + 6)
34#define PCM512x_DSP (PCM512x_PAGE_BASE(0) + 7)
35#define PCM512x_GPIO_EN (PCM512x_PAGE_BASE(0) + 8)
36#define PCM512x_BCLK_LRCLK_CFG (PCM512x_PAGE_BASE(0) + 9)
37#define PCM512x_DSP_GPIO_INPUT (PCM512x_PAGE_BASE(0) + 10)
38#define PCM512x_MASTER_MODE (PCM512x_PAGE_BASE(0) + 12)
39#define PCM512x_PLL_REF (PCM512x_PAGE_BASE(0) + 13)
40#define PCM512x_DAC_REF (PCM512x_PAGE_BASE(0) + 14)
41#define PCM512x_GPIO_DACIN (PCM512x_PAGE_BASE(0) + 16)
42#define PCM512x_GPIO_PLLIN (PCM512x_PAGE_BASE(0) + 18)
43#define PCM512x_SYNCHRONIZE (PCM512x_PAGE_BASE(0) + 19)
44#define PCM512x_PLL_COEFF_0 (PCM512x_PAGE_BASE(0) + 20)
45#define PCM512x_PLL_COEFF_1 (PCM512x_PAGE_BASE(0) + 21)
46#define PCM512x_PLL_COEFF_2 (PCM512x_PAGE_BASE(0) + 22)
47#define PCM512x_PLL_COEFF_3 (PCM512x_PAGE_BASE(0) + 23)
48#define PCM512x_PLL_COEFF_4 (PCM512x_PAGE_BASE(0) + 24)
49#define PCM512x_DSP_CLKDIV (PCM512x_PAGE_BASE(0) + 27)
50#define PCM512x_DAC_CLKDIV (PCM512x_PAGE_BASE(0) + 28)
51#define PCM512x_NCP_CLKDIV (PCM512x_PAGE_BASE(0) + 29)
52#define PCM512x_OSR_CLKDIV (PCM512x_PAGE_BASE(0) + 30)
53#define PCM512x_MASTER_CLKDIV_1 (PCM512x_PAGE_BASE(0) + 32)
54#define PCM512x_MASTER_CLKDIV_2 (PCM512x_PAGE_BASE(0) + 33)
55#define PCM512x_FS_SPEED_MODE (PCM512x_PAGE_BASE(0) + 34)
56#define PCM512x_IDAC_1 (PCM512x_PAGE_BASE(0) + 35)
57#define PCM512x_IDAC_2 (PCM512x_PAGE_BASE(0) + 36)
58#define PCM512x_ERROR_DETECT (PCM512x_PAGE_BASE(0) + 37)
59#define PCM512x_I2S_1 (PCM512x_PAGE_BASE(0) + 40)
60#define PCM512x_I2S_2 (PCM512x_PAGE_BASE(0) + 41)
61#define PCM512x_DAC_ROUTING (PCM512x_PAGE_BASE(0) + 42)
62#define PCM512x_DSP_PROGRAM (PCM512x_PAGE_BASE(0) + 43)
63#define PCM512x_CLKDET (PCM512x_PAGE_BASE(0) + 44)
64#define PCM512x_AUTO_MUTE (PCM512x_PAGE_BASE(0) + 59)
65#define PCM512x_DIGITAL_VOLUME_1 (PCM512x_PAGE_BASE(0) + 60)
66#define PCM512x_DIGITAL_VOLUME_2 (PCM512x_PAGE_BASE(0) + 61)
67#define PCM512x_DIGITAL_VOLUME_3 (PCM512x_PAGE_BASE(0) + 62)
68#define PCM512x_DIGITAL_MUTE_1 (PCM512x_PAGE_BASE(0) + 63)
69#define PCM512x_DIGITAL_MUTE_2 (PCM512x_PAGE_BASE(0) + 64)
70#define PCM512x_DIGITAL_MUTE_3 (PCM512x_PAGE_BASE(0) + 65)
71#define PCM512x_GPIO_OUTPUT_1 (PCM512x_PAGE_BASE(0) + 80)
72#define PCM512x_GPIO_OUTPUT_2 (PCM512x_PAGE_BASE(0) + 81)
73#define PCM512x_GPIO_OUTPUT_3 (PCM512x_PAGE_BASE(0) + 82)
74#define PCM512x_GPIO_OUTPUT_4 (PCM512x_PAGE_BASE(0) + 83)
75#define PCM512x_GPIO_OUTPUT_5 (PCM512x_PAGE_BASE(0) + 84)
76#define PCM512x_GPIO_OUTPUT_6 (PCM512x_PAGE_BASE(0) + 85)
77#define PCM512x_GPIO_CONTROL_1 (PCM512x_PAGE_BASE(0) + 86)
78#define PCM512x_GPIO_CONTROL_2 (PCM512x_PAGE_BASE(0) + 87)
79#define PCM512x_OVERFLOW (PCM512x_PAGE_BASE(0) + 90)
80#define PCM512x_RATE_DET_1 (PCM512x_PAGE_BASE(0) + 91)
81#define PCM512x_RATE_DET_2 (PCM512x_PAGE_BASE(0) + 92)
82#define PCM512x_RATE_DET_3 (PCM512x_PAGE_BASE(0) + 93)
83#define PCM512x_RATE_DET_4 (PCM512x_PAGE_BASE(0) + 94)
84#define PCM512x_CLOCK_STATUS (PCM512x_PAGE_BASE(0) + 95)
85#define PCM512x_ANALOG_MUTE_DET (PCM512x_PAGE_BASE(0) + 108)
86#define PCM512x_GPIN (PCM512x_PAGE_BASE(0) + 119)
87#define PCM512x_DIGITAL_MUTE_DET (PCM512x_PAGE_BASE(0) + 120)
88
89#define PCM512x_OUTPUT_AMPLITUDE (PCM512x_PAGE_BASE(1) + 1)
90#define PCM512x_ANALOG_GAIN_CTRL (PCM512x_PAGE_BASE(1) + 2)
91#define PCM512x_UNDERVOLTAGE_PROT (PCM512x_PAGE_BASE(1) + 5)
92#define PCM512x_ANALOG_MUTE_CTRL (PCM512x_PAGE_BASE(1) + 6)
93#define PCM512x_ANALOG_GAIN_BOOST (PCM512x_PAGE_BASE(1) + 7)
94#define PCM512x_VCOM_CTRL_1 (PCM512x_PAGE_BASE(1) + 8)
95#define PCM512x_VCOM_CTRL_2 (PCM512x_PAGE_BASE(1) + 9)
96
97#define PCM512x_CRAM_CTRL (PCM512x_PAGE_BASE(44) + 1)
98
99#define PCM512x_FLEX_A (PCM512x_PAGE_BASE(253) + 63)
100#define PCM512x_FLEX_B (PCM512x_PAGE_BASE(253) + 64)
101
102#define PCM512x_MAX_REGISTER (PCM512x_PAGE_BASE(253) + 64)
103
104/* Page 0, Register 1 - reset */
105#define PCM512x_RSTR (1 << 0)
106#define PCM512x_RSTM (1 << 4)
107
108/* Page 0, Register 2 - power */
109#define PCM512x_RQPD (1 << 0)
110#define PCM512x_RQPD_SHIFT 0
111#define PCM512x_RQST (1 << 4)
112#define PCM512x_RQST_SHIFT 4
113
114/* Page 0, Register 3 - mute */
115#define PCM512x_RQMR (1 << 0)
116#define PCM512x_RQMR_SHIFT 0
117#define PCM512x_RQML (1 << 4)
118#define PCM512x_RQML_SHIFT 4
119
120/* Page 0, Register 4 - PLL */
121#define PCM512x_PLLE (1 << 0)
122#define PCM512x_PLLE_SHIFT 0
123#define PCM512x_PLCK (1 << 4)
124#define PCM512x_PLCK_SHIFT 4
125
126/* Page 0, Register 7 - DSP */
127#define PCM512x_SDSL (1 << 0)
128#define PCM512x_SDSL_SHIFT 0
129#define PCM512x_DEMP (1 << 4)
130#define PCM512x_DEMP_SHIFT 4
131
132/* Page 0, Register 8 - GPIO output enable */
133#define PCM512x_G1OE (1 << 0)
134#define PCM512x_G2OE (1 << 1)
135#define PCM512x_G3OE (1 << 2)
136#define PCM512x_G4OE (1 << 3)
137#define PCM512x_G5OE (1 << 4)
138#define PCM512x_G6OE (1 << 5)
139
140/* Page 0, Register 9 - BCK, LRCLK configuration */
141#define PCM512x_LRKO (1 << 0)
142#define PCM512x_LRKO_SHIFT 0
143#define PCM512x_BCKO (1 << 4)
144#define PCM512x_BCKO_SHIFT 4
145#define PCM512x_BCKP (1 << 5)
146#define PCM512x_BCKP_SHIFT 5
147
148/* Page 0, Register 12 - Master mode BCK, LRCLK reset */
149#define PCM512x_RLRK (1 << 0)
150#define PCM512x_RLRK_SHIFT 0
151#define PCM512x_RBCK (1 << 1)
152#define PCM512x_RBCK_SHIFT 1
153
154/* Page 0, Register 13 - PLL reference */
155#define PCM512x_SREF (7 << 4)
156#define PCM512x_SREF_SHIFT 4
157#define PCM512x_SREF_SCK (0 << 4)
158#define PCM512x_SREF_BCK (1 << 4)
159#define PCM512x_SREF_GPIO (3 << 4)
160
161/* Page 0, Register 14 - DAC reference */
162#define PCM512x_SDAC (7 << 4)
163#define PCM512x_SDAC_SHIFT 4
164#define PCM512x_SDAC_MCK (0 << 4)
165#define PCM512x_SDAC_PLL (1 << 4)
166#define PCM512x_SDAC_SCK (3 << 4)
167#define PCM512x_SDAC_BCK (4 << 4)
168#define PCM512x_SDAC_GPIO (5 << 4)
169
170/* Page 0, Register 16, 18 - GPIO source for DAC, PLL */
171#define PCM512x_GREF (7 << 0)
172#define PCM512x_GREF_SHIFT 0
173#define PCM512x_GREF_GPIO1 (0 << 0)
174#define PCM512x_GREF_GPIO2 (1 << 0)
175#define PCM512x_GREF_GPIO3 (2 << 0)
176#define PCM512x_GREF_GPIO4 (3 << 0)
177#define PCM512x_GREF_GPIO5 (4 << 0)
178#define PCM512x_GREF_GPIO6 (5 << 0)
179
180/* Page 0, Register 19 - synchronize */
181#define PCM512x_RQSY (1 << 0)
182#define PCM512x_RQSY_RESUME (0 << 0)
183#define PCM512x_RQSY_HALT (1 << 0)
184
185/* Page 0, Register 34 - fs speed mode */
186#define PCM512x_FSSP (3 << 0)
187#define PCM512x_FSSP_SHIFT 0
188#define PCM512x_FSSP_48KHZ (0 << 0)
189#define PCM512x_FSSP_96KHZ (1 << 0)
190#define PCM512x_FSSP_192KHZ (2 << 0)
191#define PCM512x_FSSP_384KHZ (3 << 0)
192
193/* Page 0, Register 37 - Error detection */
194#define PCM512x_IPLK (1 << 0)
195#define PCM512x_DCAS (1 << 1)
196#define PCM512x_IDCM (1 << 2)
197#define PCM512x_IDCH (1 << 3)
198#define PCM512x_IDSK (1 << 4)
199#define PCM512x_IDBK (1 << 5)
200#define PCM512x_IDFS (1 << 6)
201
202/* Page 0, Register 40 - I2S configuration */
203#define PCM512x_ALEN (3 << 0)
204#define PCM512x_ALEN_SHIFT 0
205#define PCM512x_ALEN_16 (0 << 0)
206#define PCM512x_ALEN_20 (1 << 0)
207#define PCM512x_ALEN_24 (2 << 0)
208#define PCM512x_ALEN_32 (3 << 0)
209#define PCM512x_AFMT (3 << 4)
210#define PCM512x_AFMT_SHIFT 4
211#define PCM512x_AFMT_I2S (0 << 4)
212#define PCM512x_AFMT_DSP (1 << 4)
213#define PCM512x_AFMT_RTJ (2 << 4)
214#define PCM512x_AFMT_LTJ (3 << 4)
215
216/* Page 0, Register 42 - DAC routing */
217#define PCM512x_AUPR_SHIFT 0
218#define PCM512x_AUPL_SHIFT 4
219
220/* Page 0, Register 59 - auto mute */
221#define PCM512x_ATMR_SHIFT 0
222#define PCM512x_ATML_SHIFT 4
223
224/* Page 0, Register 63 - ramp rates */
225#define PCM512x_VNDF_SHIFT 6
226#define PCM512x_VNDS_SHIFT 4
227#define PCM512x_VNUF_SHIFT 2
228#define PCM512x_VNUS_SHIFT 0
229
230/* Page 0, Register 64 - emergency ramp rates */
231#define PCM512x_VEDF_SHIFT 6
232#define PCM512x_VEDS_SHIFT 4
233
234/* Page 0, Register 65 - Digital mute enables */
235#define PCM512x_ACTL_SHIFT 2
236#define PCM512x_AMLE_SHIFT 1
237#define PCM512x_AMRE_SHIFT 0
238
239/* Page 0, Register 80-85, GPIO output selection */
240#define PCM512x_GxSL (31 << 0)
241#define PCM512x_GxSL_SHIFT 0
242#define PCM512x_GxSL_OFF (0 << 0)
243#define PCM512x_GxSL_DSP (1 << 0)
244#define PCM512x_GxSL_REG (2 << 0)
245#define PCM512x_GxSL_AMUTB (3 << 0)
246#define PCM512x_GxSL_AMUTL (4 << 0)
247#define PCM512x_GxSL_AMUTR (5 << 0)
248#define PCM512x_GxSL_CLKI (6 << 0)
249#define PCM512x_GxSL_SDOUT (7 << 0)
250#define PCM512x_GxSL_ANMUL (8 << 0)
251#define PCM512x_GxSL_ANMUR (9 << 0)
252#define PCM512x_GxSL_PLLLK (10 << 0)
253#define PCM512x_GxSL_CPCLK (11 << 0)
254#define PCM512x_GxSL_UV0_7 (14 << 0)
255#define PCM512x_GxSL_UV0_3 (15 << 0)
256#define PCM512x_GxSL_PLLCK (16 << 0)
257
258/* Page 1, Register 2 - analog volume control */
259#define PCM512x_RAGN_SHIFT 0
260#define PCM512x_LAGN_SHIFT 4
261
262/* Page 1, Register 7 - analog boost control */
263#define PCM512x_AGBR_SHIFT 0
264#define PCM512x_AGBL_SHIFT 4
265
266extern const struct dev_pm_ops pcm512x_pm_ops;
267extern const struct regmap_config pcm512x_regmap;
268
269int pcm512x_probe(struct device *dev, struct regmap *regmap);
270void pcm512x_remove(struct device *dev);
271
272#endif