tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#include <linux/regulator/consumer.h>
31#include <linux/clk.h>
32
33#define TWL6040_REG_ASICID 0x01
34#define TWL6040_REG_ASICREV 0x02
35#define TWL6040_REG_INTID 0x03
36#define TWL6040_REG_INTMR 0x04
37#define TWL6040_REG_NCPCTL 0x05
38#define TWL6040_REG_LDOCTL 0x06
39#define TWL6040_REG_HPPLLCTL 0x07
40#define TWL6040_REG_LPPLLCTL 0x08
41#define TWL6040_REG_LPPLLDIV 0x09
42#define TWL6040_REG_AMICBCTL 0x0A
43#define TWL6040_REG_DMICBCTL 0x0B
44#define TWL6040_REG_MICLCTL 0x0C
45#define TWL6040_REG_MICRCTL 0x0D
46#define TWL6040_REG_MICGAIN 0x0E
47#define TWL6040_REG_LINEGAIN 0x0F
48#define TWL6040_REG_HSLCTL 0x10
49#define TWL6040_REG_HSRCTL 0x11
50#define TWL6040_REG_HSGAIN 0x12
51#define TWL6040_REG_EARCTL 0x13
52#define TWL6040_REG_HFLCTL 0x14
53#define TWL6040_REG_HFLGAIN 0x15
54#define TWL6040_REG_HFRCTL 0x16
55#define TWL6040_REG_HFRGAIN 0x17
56#define TWL6040_REG_VIBCTLL 0x18
57#define TWL6040_REG_VIBDATL 0x19
58#define TWL6040_REG_VIBCTLR 0x1A
59#define TWL6040_REG_VIBDATR 0x1B
60#define TWL6040_REG_HKCTL1 0x1C
61#define TWL6040_REG_HKCTL2 0x1D
62#define TWL6040_REG_GPOCTL 0x1E
63#define TWL6040_REG_ALB 0x1F
64#define TWL6040_REG_DLB 0x20
65#define TWL6040_REG_TRIM1 0x28
66#define TWL6040_REG_TRIM2 0x29
67#define TWL6040_REG_TRIM3 0x2A
68#define TWL6040_REG_HSOTRIM 0x2B
69#define TWL6040_REG_HFOTRIM 0x2C
70#define TWL6040_REG_ACCCTL 0x2D
71#define TWL6040_REG_STATUS 0x2E
72
73/* INTID (0x03) fields */
74
75#define TWL6040_THINT 0x01
76#define TWL6040_PLUGINT 0x02
77#define TWL6040_UNPLUGINT 0x04
78#define TWL6040_HOOKINT 0x08
79#define TWL6040_HFINT 0x10
80#define TWL6040_VIBINT 0x20
81#define TWL6040_READYINT 0x40
82
83/* INTMR (0x04) fields */
84
85#define TWL6040_THMSK 0x01
86#define TWL6040_PLUGMSK 0x02
87#define TWL6040_HOOKMSK 0x08
88#define TWL6040_HFMSK 0x10
89#define TWL6040_VIBMSK 0x20
90#define TWL6040_READYMSK 0x40
91#define TWL6040_ALLINT_MSK 0x7B
92
93/* NCPCTL (0x05) fields */
94
95#define TWL6040_NCPENA 0x01
96#define TWL6040_NCPOPEN 0x40
97
98/* LDOCTL (0x06) fields */
99
100#define TWL6040_LSLDOENA 0x01
101#define TWL6040_HSLDOENA 0x04
102#define TWL6040_REFENA 0x40
103#define TWL6040_OSCENA 0x80
104
105/* HPPLLCTL (0x07) fields */
106
107#define TWL6040_HPLLENA 0x01
108#define TWL6040_HPLLRST 0x02
109#define TWL6040_HPLLBP 0x04
110#define TWL6040_HPLLSQRENA 0x08
111#define TWL6040_MCLK_12000KHZ (0 << 5)
112#define TWL6040_MCLK_19200KHZ (1 << 5)
113#define TWL6040_MCLK_26000KHZ (2 << 5)
114#define TWL6040_MCLK_38400KHZ (3 << 5)
115#define TWL6040_MCLK_MSK 0x60
116
117/* LPPLLCTL (0x08) fields */
118
119#define TWL6040_LPLLENA 0x01
120#define TWL6040_LPLLRST 0x02
121#define TWL6040_LPLLSEL 0x04
122#define TWL6040_LPLLFIN 0x08
123#define TWL6040_HPLLSEL 0x10
124
125/* HSLCTL/R (0x10/0x11) fields */
126
127#define TWL6040_HSDACENA (1 << 0)
128#define TWL6040_HSDACMODE (1 << 1)
129#define TWL6040_HSDRVENA (1 << 2)
130#define TWL6040_HSDRVMODE (1 << 3)
131
132/* HFLCTL/R (0x14/0x16) fields */
133
134#define TWL6040_HFDACENA (1 << 0)
135#define TWL6040_HFPGAENA (1 << 1)
136#define TWL6040_HFDRVENA (1 << 4)
137#define TWL6040_HFSWENA (1 << 6)
138
139/* VIBCTLL/R (0x18/0x1A) fields */
140
141#define TWL6040_VIBENA (1 << 0)
142#define TWL6040_VIBSEL (1 << 1)
143#define TWL6040_VIBCTRL (1 << 2)
144#define TWL6040_VIBCTRL_P (1 << 3)
145#define TWL6040_VIBCTRL_N (1 << 4)
146
147/* VIBDATL/R (0x19/0x1B) fields */
148
149#define TWL6040_VIBDAT_MAX 0x64
150
151/* GPOCTL (0x1E) fields */
152
153#define TWL6040_GPO1 0x01
154#define TWL6040_GPO2 0x02
155#define TWL6040_GPO3 0x04
156
157/* ACCCTL (0x2D) fields */
158
159#define TWL6040_I2CSEL 0x01
160#define TWL6040_RESETSPLIT 0x04
161#define TWL6040_INTCLRMODE 0x08
162#define TWL6040_I2CMODE(x) ((x & 0x3) << 4)
163
164/* STATUS (0x2E) fields */
165
166#define TWL6040_PLUGCOMP 0x02
167#define TWL6040_VIBLOCDET 0x10
168#define TWL6040_VIBROCDET 0x20
169#define TWL6040_TSHUTDET 0x40
170
171#define TWL6040_CELLS 3
172
173#define TWL6040_REV_ES1_0 0x00
174#define TWL6040_REV_ES1_1 0x01 /* Rev ES1.1 and ES1.2 */
175#define TWL6040_REV_ES1_3 0x02
176#define TWL6041_REV_ES2_0 0x10
177
178#define TWL6040_IRQ_TH 0
179#define TWL6040_IRQ_PLUG 1
180#define TWL6040_IRQ_HOOK 2
181#define TWL6040_IRQ_HF 3
182#define TWL6040_IRQ_VIB 4
183#define TWL6040_IRQ_READY 5
184
185/* PLL selection */
186#define TWL6040_SYSCLK_SEL_LPPLL 0
187#define TWL6040_SYSCLK_SEL_HPPLL 1
188
189#define TWL6040_GPO_MAX 3
190
191/* TODO: All platform data struct can be removed */
192struct twl6040_codec_data {
193 u16 hs_left_step;
194 u16 hs_right_step;
195 u16 hf_left_step;
196 u16 hf_right_step;
197};
198
199struct twl6040_vibra_data {
200 unsigned int vibldrv_res; /* left driver resistance */
201 unsigned int vibrdrv_res; /* right driver resistance */
202 unsigned int viblmotor_res; /* left motor resistance */
203 unsigned int vibrmotor_res; /* right motor resistance */
204 int vddvibl_uV; /* VDDVIBL volt, set 0 for fixed reg */
205 int vddvibr_uV; /* VDDVIBR volt, set 0 for fixed reg */
206};
207
208struct twl6040_gpo_data {
209 int gpio_base;
210};
211
212struct twl6040_platform_data {
213 int audpwron_gpio; /* audio power-on gpio */
214
215 struct twl6040_codec_data *codec;
216 struct twl6040_vibra_data *vibra;
217 struct twl6040_gpo_data *gpo;
218};
219
220struct regmap;
221struct regmap_irq_chips_data;
222
223struct twl6040 {
224 struct device *dev;
225 struct regmap *regmap;
226 struct regmap_irq_chip_data *irq_data;
227 struct regulator_bulk_data supplies[2]; /* supplies for vio, v2v1 */
228 struct clk *clk32k;
229 struct clk *mclk;
230 struct mutex mutex;
231 struct mutex irq_mutex;
232 struct mfd_cell cells[TWL6040_CELLS];
233 struct completion ready;
234
235 int audpwron;
236 int power_count;
237 int rev;
238
239 /* PLL configuration */
240 int pll;
241 unsigned int sysclk_rate;
242 unsigned int mclk_rate;
243
244 unsigned int irq;
245 unsigned int irq_ready;
246 unsigned int irq_th;
247};
248
249int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg);
250int twl6040_reg_write(struct twl6040 *twl6040, unsigned int reg,
251 u8 val);
252int twl6040_set_bits(struct twl6040 *twl6040, unsigned int reg,
253 u8 mask);
254int twl6040_clear_bits(struct twl6040 *twl6040, unsigned int reg,
255 u8 mask);
256int twl6040_power(struct twl6040 *twl6040, int on);
257int twl6040_set_pll(struct twl6040 *twl6040, int pll_id,
258 unsigned int freq_in, unsigned int freq_out);
259int twl6040_get_pll(struct twl6040 *twl6040);
260unsigned int twl6040_get_sysclk(struct twl6040 *twl6040);
261
262/* Get the combined status of the vibra control register */
263int twl6040_get_vibralr_status(struct twl6040 *twl6040);
264
265static inline int twl6040_get_revid(struct twl6040 *twl6040)
266{
267 return twl6040->rev;
268}
269
270
271#endif /* End of __TWL6040_CODEC_H__ */