tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0
2 *
3 * ALSA SoC TAS2770 codec driver
4 *
5 * Copyright (C) 2016-2017 Texas Instruments Incorporated - https://www.ti.com/
6 */
7#ifndef __TAS2770__
8#define __TAS2770__
9
10/* Book Control Register (available in page0 of each book) */
11#define TAS2770_BOOKCTL_PAGE 0
12#define TAS2770_BOOKCTL_REG 127
13#define TAS2770_REG(page, reg) ((page * 128) + reg)
14 /* Page */
15#define TAS2770_PAGE TAS2770_REG(0X0, 0x00)
16#define TAS2770_PAGE_PAGE_MASK 255
17 /* Software Reset */
18#define TAS2770_SW_RST TAS2770_REG(0X0, 0x01)
19#define TAS2770_RST BIT(0)
20 /* Power Control */
21#define TAS2770_PWR_CTRL TAS2770_REG(0X0, 0x02)
22#define TAS2770_PWR_CTRL_MASK GENMASK(1, 0)
23#define TAS2770_PWR_CTRL_ACTIVE 0x0
24#define TAS2770_PWR_CTRL_MUTE BIT(0)
25#define TAS2770_PWR_CTRL_SHUTDOWN 0x2
26 /* Playback Configuration Reg0 */
27#define TAS2770_PLAY_CFG_REG0 TAS2770_REG(0X0, 0x03)
28 /* Playback Configuration Reg1 */
29#define TAS2770_PLAY_CFG_REG1 TAS2770_REG(0X0, 0x04)
30 /* Playback Configuration Reg2 */
31#define TAS2770_PLAY_CFG_REG2 TAS2770_REG(0X0, 0x05)
32#define TAS2770_PLAY_CFG_REG2_VMAX 0xc9
33 /* Misc Configuration Reg0 */
34#define TAS2770_MSC_CFG_REG0 TAS2770_REG(0X0, 0x07)
35 /* TDM Configuration Reg0 */
36#define TAS2770_TDM_CFG_REG0 TAS2770_REG(0X0, 0x0A)
37#define TAS2770_TDM_CFG_REG0_SMP_MASK BIT(5)
38#define TAS2770_TDM_CFG_REG0_SMP_48KHZ 0x0
39#define TAS2770_TDM_CFG_REG0_SMP_44_1KHZ BIT(5)
40#define TAS2770_TDM_CFG_REG0_31_MASK GENMASK(3, 1)
41#define TAS2770_TDM_CFG_REG0_31_44_1_48KHZ 0x6
42#define TAS2770_TDM_CFG_REG0_31_88_2_96KHZ 0x8
43#define TAS2770_TDM_CFG_REG0_31_176_4_192KHZ 0xa
44#define TAS2770_TDM_CFG_REG0_FPOL_MASK BIT(0)
45#define TAS2770_TDM_CFG_REG0_FPOL_RSING 0
46#define TAS2770_TDM_CFG_REG0_FPOL_FALING 1
47 /* TDM Configuration Reg1 */
48#define TAS2770_TDM_CFG_REG1 TAS2770_REG(0X0, 0x0B)
49#define TAS2770_TDM_CFG_REG1_MASK GENMASK(5, 1)
50#define TAS2770_TDM_CFG_REG1_51_SHIFT 1
51#define TAS2770_TDM_CFG_REG1_RX_MASK BIT(0)
52#define TAS2770_TDM_CFG_REG1_RX_RSING 0x0
53#define TAS2770_TDM_CFG_REG1_RX_FALING BIT(0)
54 /* TDM Configuration Reg2 */
55#define TAS2770_TDM_CFG_REG2 TAS2770_REG(0X0, 0x0C)
56#define TAS2770_TDM_CFG_REG2_RXW_MASK GENMASK(3, 2)
57#define TAS2770_TDM_CFG_REG2_RXW_16BITS 0x0
58#define TAS2770_TDM_CFG_REG2_RXW_24BITS 0x8
59#define TAS2770_TDM_CFG_REG2_RXW_32BITS 0xc
60#define TAS2770_TDM_CFG_REG2_RXS_MASK GENMASK(1, 0)
61#define TAS2770_TDM_CFG_REG2_RXS_16BITS 0x0
62#define TAS2770_TDM_CFG_REG2_RXS_24BITS BIT(0)
63#define TAS2770_TDM_CFG_REG2_RXS_32BITS 0x2
64 /* TDM Configuration Reg3 */
65#define TAS2770_TDM_CFG_REG3 TAS2770_REG(0X0, 0x0D)
66#define TAS2770_TDM_CFG_REG3_RXS_MASK GENMASK(7, 4)
67#define TAS2770_TDM_CFG_REG3_RXS_SHIFT 0x4
68#define TAS2770_TDM_CFG_REG3_30_MASK GENMASK(3, 0)
69#define TAS2770_TDM_CFG_REG3_30_SHIFT 0
70 /* TDM Configuration Reg4 */
71#define TAS2770_TDM_CFG_REG4 TAS2770_REG(0X0, 0x0E)
72#define TAS2770_TDM_CFG_REG4_TX_LSB_CFG BIT(7)
73#define TAS2770_TDM_CFG_REG4_TX_KEEPER_CFG BIT(6)
74#define TAS2770_TDM_CFG_REG4_TX_KEEPER BIT(5)
75#define TAS2770_TDM_CFG_REG4_TX_FILL BIT(4)
76#define TAS2770_TDM_CFG_REG4_TX_OFFSET_MASK GENMASK(3, 1)
77#define TAS2770_TDM_CFG_REG4_TX_EDGE_FALLING BIT(0)
78 /* TDM Configuration Reg5 */
79#define TAS2770_TDM_CFG_REG5 TAS2770_REG(0X0, 0x0F)
80#define TAS2770_TDM_CFG_REG5_VSNS_MASK BIT(6)
81#define TAS2770_TDM_CFG_REG5_VSNS_ENABLE BIT(6)
82#define TAS2770_TDM_CFG_REG5_50_MASK GENMASK(5, 0)
83 /* TDM Configuration Reg6 */
84#define TAS2770_TDM_CFG_REG6 TAS2770_REG(0X0, 0x10)
85#define TAS2770_TDM_CFG_REG6_ISNS_MASK BIT(6)
86#define TAS2770_TDM_CFG_REG6_ISNS_ENABLE BIT(6)
87#define TAS2770_TDM_CFG_REG6_50_MASK GENMASK(5, 0)
88 /* TDM Configuration Reg10 */
89#define TAS2770_TDM_CFG_REG7 TAS2770_REG(0X0, 0x11)
90#define TAS2770_TDM_CFG_REG7_PDM_MASK BIT(6)
91#define TAS2770_TDM_CFG_REG7_PDM_ENABLE BIT(6)
92#define TAS2770_TDM_CFG_REG7_50_MASK GENMASK(5, 0)
93 /* Brown Out Prevention Reg0 */
94#define TAS2770_BO_PRV_REG0 TAS2770_REG(0X0, 0x1B)
95 /* Interrupt MASK Reg0 */
96#define TAS2770_INT_MASK_REG0 TAS2770_REG(0X0, 0x20)
97#define TAS2770_INT_REG0_DEFAULT 0xfc
98#define TAS2770_INT_MASK_REG0_DISABLE 0xff
99 /* Interrupt MASK Reg1 */
100#define TAS2770_INT_MASK_REG1 TAS2770_REG(0X0, 0x21)
101#define TAS2770_INT_REG1_DEFAULT 0xb1
102#define TAS2770_INT_MASK_REG1_DISABLE 0xff
103 /* Live-Interrupt Reg0 */
104#define TAS2770_LVE_INT_REG0 TAS2770_REG(0X0, 0x22)
105 /* Live-Interrupt Reg1 */
106#define TAS2770_LVE_INT_REG1 TAS2770_REG(0X0, 0x23)
107 /* Latched-Interrupt Reg0 */
108#define TAS2770_LAT_INT_REG0 TAS2770_REG(0X0, 0x24)
109#define TAS2770_LAT_INT_REG0_OCE_FLG BIT(1)
110#define TAS2770_LAT_INT_REG0_OTE_FLG BIT(0)
111 /* Latched-Interrupt Reg1 */
112#define TAS2770_LAT_INT_REG1 TAS2770_REG(0X0, 0x25)
113#define TAS2770_LAT_INT_REG1_VBA_TOV BIT(3)
114#define TAS2770_LAT_INT_REG1_VBA_TUV BIT(2)
115#define TAS2770_LAT_INT_REG1_BOUT_FLG BIT(1)
116 /* VBAT MSB */
117#define TAS2770_VBAT_MSB TAS2770_REG(0X0, 0x27)
118 /* VBAT LSB */
119#define TAS2770_VBAT_LSB TAS2770_REG(0X0, 0x28)
120 /* TEMP MSB */
121#define TAS2770_TEMP_MSB TAS2770_REG(0X0, 0x29)
122 /* TEMP LSB */
123#define TAS2770_TEMP_LSB TAS2770_REG(0X0, 0x2A)
124 /* Interrupt Configuration */
125#define TAS2770_INT_CFG TAS2770_REG(0X0, 0x30)
126 /* Data In Pull-Down */
127#define TAS2770_DIN_PD TAS2770_REG(0X0, 0x31)
128#define TAS2770_DIN_PD_SDOUT BIT(7)
129 /* Misc IRQ */
130#define TAS2770_MISC_IRQ TAS2770_REG(0X0, 0x32)
131 /* Clock Configuration */
132#define TAS2770_CLK_CGF TAS2770_REG(0X0, 0x3C)
133 /* TDM Clock detection monitor */
134#define TAS2770_TDM_CLK_DETC TAS2770_REG(0X0, 0x77)
135 /* Revision and PG ID */
136#define TAS2770_REV_AND_GPID TAS2770_REG(0X0, 0x7D)
137
138#define TAS2770_POWER_ACTIVE 0
139#define TAS2770_POWER_MUTE BIT(0)
140#define TAS2770_POWER_SHUTDOWN BIT(1)
141
142#define ERROR_OVER_CURRENT BIT(0)
143#define ERROR_DIE_OVERTEMP BIT(1)
144#define ERROR_OVER_VOLTAGE BIT(2)
145#define ERROR_UNDER_VOLTAGE BIT(3)
146#define ERROR_BROWNOUT BIT(4)
147#define ERROR_CLASSD_PWR BIT(5)
148
149struct tas2770_priv {
150 struct snd_soc_component *component;
151 struct gpio_desc *reset_gpio;
152 struct gpio_desc *sdz_gpio;
153 struct regmap *regmap;
154 struct device *dev;
155 int v_sense_slot;
156 int i_sense_slot;
157 int pdm_slot;
158 bool dac_powered;
159 bool unmuted;
160 int idle_tx_mode;
161};
162
163#endif /* __TAS2770__ */