Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * MFD driver for twl6040
3 *
4 * Authors: Jorge Eduardo Candelaria <jorge.candelaria@ti.com>
5 * Misael Lopez Cruz <misael.lopez@ti.com>
6 *
7 * Copyright: (C) 2011 Texas Instruments, Inc.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21 * 02110-1301 USA
22 *
23 */
24
25#ifndef __TWL6040_CODEC_H__
26#define __TWL6040_CODEC_H__
27
28#include <linux/interrupt.h>
29#include <linux/mfd/core.h>
30
31#define TWL6040_REG_ASICID 0x01
32#define TWL6040_REG_ASICREV 0x02
33#define TWL6040_REG_INTID 0x03
34#define TWL6040_REG_INTMR 0x04
35#define TWL6040_REG_NCPCTL 0x05
36#define TWL6040_REG_LDOCTL 0x06
37#define TWL6040_REG_HPPLLCTL 0x07
38#define TWL6040_REG_LPPLLCTL 0x08
39#define TWL6040_REG_LPPLLDIV 0x09
40#define TWL6040_REG_AMICBCTL 0x0A
41#define TWL6040_REG_DMICBCTL 0x0B
42#define TWL6040_REG_MICLCTL 0x0C
43#define TWL6040_REG_MICRCTL 0x0D
44#define TWL6040_REG_MICGAIN 0x0E
45#define TWL6040_REG_LINEGAIN 0x0F
46#define TWL6040_REG_HSLCTL 0x10
47#define TWL6040_REG_HSRCTL 0x11
48#define TWL6040_REG_HSGAIN 0x12
49#define TWL6040_REG_EARCTL 0x13
50#define TWL6040_REG_HFLCTL 0x14
51#define TWL6040_REG_HFLGAIN 0x15
52#define TWL6040_REG_HFRCTL 0x16
53#define TWL6040_REG_HFRGAIN 0x17
54#define TWL6040_REG_VIBCTLL 0x18
55#define TWL6040_REG_VIBDATL 0x19
56#define TWL6040_REG_VIBCTLR 0x1A
57#define TWL6040_REG_VIBDATR 0x1B
58#define TWL6040_REG_HKCTL1 0x1C
59#define TWL6040_REG_HKCTL2 0x1D
60#define TWL6040_REG_GPOCTL 0x1E
61#define TWL6040_REG_ALB 0x1F
62#define TWL6040_REG_DLB 0x20
63#define TWL6040_REG_TRIM1 0x28
64#define TWL6040_REG_TRIM2 0x29
65#define TWL6040_REG_TRIM3 0x2A
66#define TWL6040_REG_HSOTRIM 0x2B
67#define TWL6040_REG_HFOTRIM 0x2C
68#define TWL6040_REG_ACCCTL 0x2D
69#define TWL6040_REG_STATUS 0x2E
70
71/* INTID (0x03) fields */
72
73#define TWL6040_THINT 0x01
74#define TWL6040_PLUGINT 0x02
75#define TWL6040_UNPLUGINT 0x04
76#define TWL6040_HOOKINT 0x08
77#define TWL6040_HFINT 0x10
78#define TWL6040_VIBINT 0x20
79#define TWL6040_READYINT 0x40
80
81/* INTMR (0x04) fields */
82
83#define TWL6040_THMSK 0x01
84#define TWL6040_PLUGMSK 0x02
85#define TWL6040_HOOKMSK 0x08
86#define TWL6040_HFMSK 0x10
87#define TWL6040_VIBMSK 0x20
88#define TWL6040_READYMSK 0x40
89#define TWL6040_ALLINT_MSK 0x7B
90
91/* NCPCTL (0x05) fields */
92
93#define TWL6040_NCPENA 0x01
94#define TWL6040_NCPOPEN 0x40
95
96/* LDOCTL (0x06) fields */
97
98#define TWL6040_LSLDOENA 0x01
99#define TWL6040_HSLDOENA 0x04
100#define TWL6040_REFENA 0x40
101#define TWL6040_OSCENA 0x80
102
103/* HPPLLCTL (0x07) fields */
104
105#define TWL6040_HPLLENA 0x01
106#define TWL6040_HPLLRST 0x02
107#define TWL6040_HPLLBP 0x04
108#define TWL6040_HPLLSQRENA 0x08
109#define TWL6040_MCLK_12000KHZ (0 << 5)
110#define TWL6040_MCLK_19200KHZ (1 << 5)
111#define TWL6040_MCLK_26000KHZ (2 << 5)
112#define TWL6040_MCLK_38400KHZ (3 << 5)
113#define TWL6040_MCLK_MSK 0x60
114
115/* LPPLLCTL (0x08) fields */
116
117#define TWL6040_LPLLENA 0x01
118#define TWL6040_LPLLRST 0x02
119#define TWL6040_LPLLSEL 0x04
120#define TWL6040_LPLLFIN 0x08
121#define TWL6040_HPLLSEL 0x10
122
123/* HSLCTL/R (0x10/0x11) fields */
124
125#define TWL6040_HSDACENA (1 << 0)
126#define TWL6040_HSDACMODE (1 << 1)
127#define TWL6040_HSDRVMODE (1 << 3)
128
129/* VIBCTLL/R (0x18/0x1A) fields */
130
131#define TWL6040_VIBENA (1 << 0)
132#define TWL6040_VIBSEL (1 << 1)
133#define TWL6040_VIBCTRL (1 << 2)
134#define TWL6040_VIBCTRL_P (1 << 3)
135#define TWL6040_VIBCTRL_N (1 << 4)
136
137/* VIBDATL/R (0x19/0x1B) fields */
138
139#define TWL6040_VIBDAT_MAX 0x64
140
141/* GPOCTL (0x1E) fields */
142
143#define TWL6040_GPO1 0x01
144#define TWL6040_GPO2 0x02
145#define TWL6040_GPO3 0x03
146
147/* ACCCTL (0x2D) fields */
148
149#define TWL6040_I2CSEL 0x01
150#define TWL6040_RESETSPLIT 0x04
151#define TWL6040_INTCLRMODE 0x08
152
153/* STATUS (0x2E) fields */
154
155#define TWL6040_PLUGCOMP 0x02
156#define TWL6040_VIBLOCDET 0x10
157#define TWL6040_VIBROCDET 0x20
158#define TWL6040_TSHUTDET 0x40
159
160#define TWL6040_CELLS 2
161
162#define TWL6040_REV_ES1_0 0x00
163#define TWL6040_REV_ES1_1 0x01
164#define TWL6040_REV_ES1_2 0x02
165
166#define TWL6040_IRQ_TH 0
167#define TWL6040_IRQ_PLUG 1
168#define TWL6040_IRQ_HOOK 2
169#define TWL6040_IRQ_HF 3
170#define TWL6040_IRQ_VIB 4
171#define TWL6040_IRQ_READY 5
172
173/* PLL selection */
174#define TWL6040_SYSCLK_SEL_LPPLL 0
175#define TWL6040_SYSCLK_SEL_HPPLL 1
176
177struct twl6040 {
178 struct device *dev;
179 struct mutex mutex;
180 struct mutex io_mutex;
181 struct mutex irq_mutex;
182 struct mfd_cell cells[TWL6040_CELLS];
183 struct completion ready;
184
185 int audpwron;
186 int power_count;
187 int rev;
188 u8 vibra_ctrl_cache[2];
189
190 /* PLL configuration */
191 int pll;
192 unsigned int sysclk;
193 unsigned int mclk;
194
195 unsigned int irq;
196 unsigned int irq_base;
197 u8 irq_masks_cur;
198 u8 irq_masks_cache;
199};
200
201int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg);
202int twl6040_reg_write(struct twl6040 *twl6040, unsigned int reg,
203 u8 val);
204int twl6040_set_bits(struct twl6040 *twl6040, unsigned int reg,
205 u8 mask);
206int twl6040_clear_bits(struct twl6040 *twl6040, unsigned int reg,
207 u8 mask);
208int twl6040_power(struct twl6040 *twl6040, int on);
209int twl6040_set_pll(struct twl6040 *twl6040, int pll_id,
210 unsigned int freq_in, unsigned int freq_out);
211int twl6040_get_pll(struct twl6040 *twl6040);
212unsigned int twl6040_get_sysclk(struct twl6040 *twl6040);
213int twl6040_irq_init(struct twl6040 *twl6040);
214void twl6040_irq_exit(struct twl6040 *twl6040);
215/* Get the combined status of the vibra control register */
216int twl6040_get_vibralr_status(struct twl6040 *twl6040);
217
218static inline int twl6040_get_revid(struct twl6040 *twl6040)
219{
220 return twl6040->rev;
221}
222
223
224#endif /* End of __TWL6040_CODEC_H__ */