xref: /linux/include/linux/mfd/cs40l50.h (revision cb626376cbd00cd69329371519a8e9568baef715)
1*cb626376SJames Ogletree /* SPDX-License-Identifier: GPL-2.0
2*cb626376SJames Ogletree  *
3*cb626376SJames Ogletree  * CS40L50 Advanced Haptic Driver with waveform memory,
4*cb626376SJames Ogletree  * integrated DSP, and closed-loop algorithms
5*cb626376SJames Ogletree  *
6*cb626376SJames Ogletree  * Copyright 2024 Cirrus Logic, Inc.
7*cb626376SJames Ogletree  *
8*cb626376SJames Ogletree  * Author: James Ogletree <james.ogletree@cirrus.com>
9*cb626376SJames Ogletree  */
10*cb626376SJames Ogletree 
11*cb626376SJames Ogletree #ifndef __MFD_CS40L50_H__
12*cb626376SJames Ogletree #define __MFD_CS40L50_H__
13*cb626376SJames Ogletree 
14*cb626376SJames Ogletree #include <linux/firmware/cirrus/cs_dsp.h>
15*cb626376SJames Ogletree #include <linux/gpio/consumer.h>
16*cb626376SJames Ogletree #include <linux/pm.h>
17*cb626376SJames Ogletree #include <linux/regmap.h>
18*cb626376SJames Ogletree 
19*cb626376SJames Ogletree /* Power Supply Configuration */
20*cb626376SJames Ogletree #define CS40L50_BLOCK_ENABLES2		0x201C
21*cb626376SJames Ogletree #define CS40L50_ERR_RLS			0x2034
22*cb626376SJames Ogletree #define CS40L50_BST_LPMODE_SEL		0x3810
23*cb626376SJames Ogletree #define CS40L50_DCM_LOW_POWER		0x1
24*cb626376SJames Ogletree #define CS40L50_OVERTEMP_WARN		0x4000010
25*cb626376SJames Ogletree 
26*cb626376SJames Ogletree /* Interrupts */
27*cb626376SJames Ogletree #define CS40L50_IRQ1_INT_1		0xE010
28*cb626376SJames Ogletree #define CS40L50_IRQ1_BASE		CS40L50_IRQ1_INT_1
29*cb626376SJames Ogletree #define CS40L50_IRQ1_INT_2		0xE014
30*cb626376SJames Ogletree #define CS40L50_IRQ1_INT_8		0xE02C
31*cb626376SJames Ogletree #define CS40L50_IRQ1_INT_9		0xE030
32*cb626376SJames Ogletree #define CS40L50_IRQ1_INT_10		0xE034
33*cb626376SJames Ogletree #define CS40L50_IRQ1_INT_18		0xE054
34*cb626376SJames Ogletree #define CS40L50_IRQ1_MASK_1		0xE090
35*cb626376SJames Ogletree #define CS40L50_IRQ1_MASK_2		0xE094
36*cb626376SJames Ogletree #define CS40L50_IRQ1_MASK_20		0xE0DC
37*cb626376SJames Ogletree #define CS40L50_IRQ1_INT_1_OFFSET	(CS40L50_IRQ1_INT_1 - CS40L50_IRQ1_BASE)
38*cb626376SJames Ogletree #define CS40L50_IRQ1_INT_2_OFFSET	(CS40L50_IRQ1_INT_2 - CS40L50_IRQ1_BASE)
39*cb626376SJames Ogletree #define CS40L50_IRQ1_INT_8_OFFSET	(CS40L50_IRQ1_INT_8 - CS40L50_IRQ1_BASE)
40*cb626376SJames Ogletree #define CS40L50_IRQ1_INT_9_OFFSET	(CS40L50_IRQ1_INT_9 - CS40L50_IRQ1_BASE)
41*cb626376SJames Ogletree #define CS40L50_IRQ1_INT_10_OFFSET	(CS40L50_IRQ1_INT_10 - CS40L50_IRQ1_BASE)
42*cb626376SJames Ogletree #define CS40L50_IRQ1_INT_18_OFFSET	(CS40L50_IRQ1_INT_18 - CS40L50_IRQ1_BASE)
43*cb626376SJames Ogletree #define CS40L50_IRQ_MASK_2_OVERRIDE	0xFFDF7FFF
44*cb626376SJames Ogletree #define CS40L50_IRQ_MASK_20_OVERRIDE	0x15C01000
45*cb626376SJames Ogletree #define CS40L50_AMP_SHORT_MASK		BIT(31)
46*cb626376SJames Ogletree #define CS40L50_DSP_QUEUE_MASK		BIT(21)
47*cb626376SJames Ogletree #define CS40L50_TEMP_ERR_MASK		BIT(31)
48*cb626376SJames Ogletree #define CS40L50_BST_UVP_MASK		BIT(6)
49*cb626376SJames Ogletree #define CS40L50_BST_SHORT_MASK		BIT(7)
50*cb626376SJames Ogletree #define CS40L50_BST_ILIMIT_MASK		BIT(18)
51*cb626376SJames Ogletree #define CS40L50_UVLO_VDDBATT_MASK	BIT(16)
52*cb626376SJames Ogletree #define CS40L50_GLOBAL_ERROR_MASK	BIT(15)
53*cb626376SJames Ogletree 
54*cb626376SJames Ogletree enum cs40l50_irq_list {
55*cb626376SJames Ogletree 	CS40L50_DSP_QUEUE_IRQ,
56*cb626376SJames Ogletree 	CS40L50_GLOBAL_ERROR_IRQ,
57*cb626376SJames Ogletree 	CS40L50_UVLO_VDDBATT_IRQ,
58*cb626376SJames Ogletree 	CS40L50_BST_ILIMIT_IRQ,
59*cb626376SJames Ogletree 	CS40L50_BST_SHORT_IRQ,
60*cb626376SJames Ogletree 	CS40L50_BST_UVP_IRQ,
61*cb626376SJames Ogletree 	CS40L50_TEMP_ERR_IRQ,
62*cb626376SJames Ogletree 	CS40L50_AMP_SHORT_IRQ,
63*cb626376SJames Ogletree };
64*cb626376SJames Ogletree 
65*cb626376SJames Ogletree /* DSP */
66*cb626376SJames Ogletree #define CS40L50_XMEM_PACKED_0		0x2000000
67*cb626376SJames Ogletree #define CS40L50_XMEM_UNPACKED24_0	0x2800000
68*cb626376SJames Ogletree #define CS40L50_SYS_INFO_ID		0x25E0000
69*cb626376SJames Ogletree #define CS40L50_DSP_QUEUE_WT		0x28042C8
70*cb626376SJames Ogletree #define CS40L50_DSP_QUEUE_RD		0x28042CC
71*cb626376SJames Ogletree #define CS40L50_NUM_WAVES		0x2805C18
72*cb626376SJames Ogletree #define CS40L50_CORE_BASE		0x2B80000
73*cb626376SJames Ogletree #define CS40L50_YMEM_PACKED_0		0x2C00000
74*cb626376SJames Ogletree #define CS40L50_YMEM_UNPACKED24_0	0x3400000
75*cb626376SJames Ogletree #define CS40L50_PMEM_0			0x3800000
76*cb626376SJames Ogletree #define CS40L50_DSP_POLL_US		1000
77*cb626376SJames Ogletree #define CS40L50_DSP_TIMEOUT_COUNT	100
78*cb626376SJames Ogletree #define CS40L50_RESET_PULSE_US		2200
79*cb626376SJames Ogletree #define CS40L50_CP_READY_US		3100
80*cb626376SJames Ogletree #define CS40L50_AUTOSUSPEND_MS		2000
81*cb626376SJames Ogletree #define CS40L50_PM_ALGO			0x9F206
82*cb626376SJames Ogletree #define CS40L50_GLOBAL_ERR_RLS_SET	BIT(11)
83*cb626376SJames Ogletree #define CS40L50_GLOBAL_ERR_RLS_CLEAR	0
84*cb626376SJames Ogletree 
85*cb626376SJames Ogletree enum cs40l50_wseqs {
86*cb626376SJames Ogletree 	CS40L50_PWR_ON,
87*cb626376SJames Ogletree 	CS40L50_STANDBY,
88*cb626376SJames Ogletree 	CS40L50_ACTIVE,
89*cb626376SJames Ogletree 	CS40L50_NUM_WSEQS,
90*cb626376SJames Ogletree };
91*cb626376SJames Ogletree 
92*cb626376SJames Ogletree /* DSP Queue */
93*cb626376SJames Ogletree #define CS40L50_DSP_QUEUE_BASE		0x11004
94*cb626376SJames Ogletree #define CS40L50_DSP_QUEUE_END		0x1101C
95*cb626376SJames Ogletree #define CS40L50_DSP_QUEUE		0x11020
96*cb626376SJames Ogletree #define CS40L50_PREVENT_HIBER		0x2000003
97*cb626376SJames Ogletree #define CS40L50_ALLOW_HIBER		0x2000004
98*cb626376SJames Ogletree #define CS40L50_SHUTDOWN		0x2000005
99*cb626376SJames Ogletree #define CS40L50_SYSTEM_RESET		0x2000007
100*cb626376SJames Ogletree #define CS40L50_START_I2S		0x3000002
101*cb626376SJames Ogletree #define CS40L50_OWT_PUSH		0x3000008
102*cb626376SJames Ogletree #define CS40L50_STOP_PLAYBACK		0x5000000
103*cb626376SJames Ogletree #define CS40L50_OWT_DELETE		0xD000000
104*cb626376SJames Ogletree 
105*cb626376SJames Ogletree /* Firmware files */
106*cb626376SJames Ogletree #define CS40L50_FW			"cs40l50.wmfw"
107*cb626376SJames Ogletree #define CS40L50_WT			"cs40l50.bin"
108*cb626376SJames Ogletree 
109*cb626376SJames Ogletree /* Device */
110*cb626376SJames Ogletree #define CS40L50_DEVID			0x0
111*cb626376SJames Ogletree #define CS40L50_REVID			0x4
112*cb626376SJames Ogletree #define CS40L50_DEVID_A			0x40A50
113*cb626376SJames Ogletree #define CS40L50_REVID_B0		0xB0
114*cb626376SJames Ogletree 
115*cb626376SJames Ogletree struct cs40l50 {
116*cb626376SJames Ogletree 	struct device *dev;
117*cb626376SJames Ogletree 	struct regmap *regmap;
118*cb626376SJames Ogletree 	struct mutex lock;
119*cb626376SJames Ogletree 	struct cs_dsp dsp;
120*cb626376SJames Ogletree 	struct gpio_desc *reset_gpio;
121*cb626376SJames Ogletree 	struct regmap_irq_chip_data *irq_data;
122*cb626376SJames Ogletree 	const struct firmware *fw;
123*cb626376SJames Ogletree 	const struct firmware *bin;
124*cb626376SJames Ogletree 	struct cs_dsp_wseq wseqs[CS40L50_NUM_WSEQS];
125*cb626376SJames Ogletree 	int irq;
126*cb626376SJames Ogletree 	u32 devid;
127*cb626376SJames Ogletree 	u32 revid;
128*cb626376SJames Ogletree };
129*cb626376SJames Ogletree 
130*cb626376SJames Ogletree int cs40l50_dsp_write(struct device *dev, struct regmap *regmap, u32 val);
131*cb626376SJames Ogletree int cs40l50_probe(struct cs40l50 *cs40l50);
132*cb626376SJames Ogletree int cs40l50_remove(struct cs40l50 *cs40l50);
133*cb626376SJames Ogletree 
134*cb626376SJames Ogletree extern const struct regmap_config cs40l50_regmap;
135*cb626376SJames Ogletree extern const struct dev_pm_ops cs40l50_pm_ops;
136*cb626376SJames Ogletree 
137*cb626376SJames Ogletree #endif /* __MFD_CS40L50_H__ */
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