summaryrefslogtreecommitdiffstats
path: root/include/linux/mfd/asic3.h
blob: d0dd3ebd848866d470112aae886d91d6945b8c6b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
/*
 * include/linux/mfd/asic3.h
 *
 * Compaq ASIC3 headers.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Copyright 2001 Compaq Computer Corporation.
 * Copyright 2007-2008 OpenedHand Ltd.
 */

#ifndef __ASIC3_H__
#define __ASIC3_H__

#include <linux/types.h>

struct led_classdev;
struct asic3_led {
	const char	*name;
	const char	*default_trigger;
	struct led_classdev *cdev;
};

struct asic3_platform_data {
	u16 *gpio_config;
	unsigned int gpio_config_num;

	unsigned int irq_base;

	unsigned int gpio_base;

	struct asic3_led *leds;
};

#define ASIC3_NUM_GPIO_BANKS	4
#define ASIC3_GPIOS_PER_BANK	16
#define ASIC3_NUM_GPIOS		64
#define ASIC3_NR_IRQS		ASIC3_NUM_GPIOS + 6

#define ASIC3_IRQ_LED0		64
#define ASIC3_IRQ_LED1		65
#define ASIC3_IRQ_LED2		66
#define ASIC3_IRQ_SPI		67
#define ASIC3_IRQ_SMBUS		68
#define ASIC3_IRQ_OWM		69

#define ASIC3_TO_GPIO(gpio) (NR_BUILTIN_GPIO + (gpio))

#define ASIC3_GPIO_BANK_A	0
#define ASIC3_GPIO_BANK_B	1
#define ASIC3_GPIO_BANK_C	2
#define ASIC3_GPIO_BANK_D	3

#define ASIC3_GPIO(bank, gpio) \
	((ASIC3_GPIOS_PER_BANK * ASIC3_GPIO_BANK_##bank) + (gpio))
#define ASIC3_GPIO_bit(gpio) (1 << (gpio & 0xf))
/* All offsets below are specified with this address bus shift */
#define ASIC3_DEFAULT_ADDR_SHIFT 2

#define ASIC3_OFFSET(base, reg) (ASIC3_##base##_BASE + ASIC3_##base##_##reg)
#define ASIC3_GPIO_OFFSET(base, reg) \
	(ASIC3_GPIO_##base##_BASE + ASIC3_GPIO_##reg)

#define ASIC3_GPIO_A_BASE      0x0000
#define ASIC3_GPIO_B_BASE      0x0100
#define ASIC3_GPIO_C_BASE      0x0200
#define ASIC3_GPIO_D_BASE      0x0300

#define ASIC3_GPIO_TO_BANK(gpio) ((gpio) >> 4)
#define ASIC3_GPIO_TO_BIT(gpio)  ((gpio) - \
				  (ASIC3_GPIOS_PER_BANK * ((gpio) >> 4)))
#define ASIC3_GPIO_TO_MASK(gpio) (1 << ASIC3_GPIO_TO_BIT(gpio))
#define ASIC3_GPIO_TO_BASE(gpio) (ASIC3_GPIO_A_BASE + (((gpio) >> 4) * 0x0100))
#define ASIC3_BANK_TO_BASE(bank) (ASIC3_GPIO_A_BASE + ((bank) * 0x100))

#define ASIC3_GPIO_MASK          0x00    /* R/W 0:don't mask */
#define ASIC3_GPIO_DIRECTION     0x04    /* R/W 0:input */
#define ASIC3_GPIO_OUT           0x08    /* R/W 0:output low */
#define ASIC3_GPIO_TRIGGER_TYPE  0x0c    /* R/W 0:level */
#define ASIC3_GPIO_EDGE_TRIGGER  0x10    /* R/W 0:falling */
#define ASIC3_GPIO_LEVEL_TRIGGER 0x14    /* R/W 0:low level detect */
#define ASIC3_GPIO_SLEEP_MASK    0x18    /* R/W 0:don't mask in sleep mode */
#define ASIC3_GPIO_SLEEP_OUT     0x1c    /* R/W level 0:low in sleep mode */
#define ASIC3_GPIO_BAT_FAULT_OUT 0x20    /* R/W level 0:low in batt_fault */
#define ASIC3_GPIO_INT_STATUS    0x24    /* R/W 0:none, 1:detect */
#define ASIC3_GPIO_ALT_FUNCTION  0x28	 /* R/W 1:LED register control */
#define ASIC3_GPIO_SLEEP_CONF    0x2c    /*
					  * R/W bit 1: autosleep
					  * 0: disable gposlpout in normal mode,
					  * enable gposlpout in sleep mode.
					  */
#define ASIC3_GPIO_STATUS        0x30    /* R   Pin status */

/*
 * ASIC3 GPIO config
 *
 * Bits 0..6   gpio number
 * Bits 7..13  Alternate function
 * Bit  14     Direction
 * Bit  15     Initial value
 *
 */
#define ASIC3_CONFIG_GPIO_PIN(config) ((config) & 0x7f)
#define ASIC3_CONFIG_GPIO_ALT(config)  (((config) & (0x7f << 7)) >> 7)
#define ASIC3_CONFIG_GPIO_DIR(config)  ((config & (1 << 14)) >> 14)
#define ASIC3_CONFIG_GPIO_INIT(config) ((config & (1 << 15)) >> 15)
#define ASIC3_CONFIG_GPIO(gpio, alt, dir, init) (((gpio) & 0x7f) \
	| (((alt) & 0x7f) << 7) | (((dir) & 0x1) << 14) \
	| (((init) & 0x1) << 15))
#define ASIC3_CONFIG_GPIO_DEFAULT(gpio, dir, init) \
	ASIC3_CONFIG_GPIO((gpio), 0, (dir), (init))
#define ASIC3_CONFIG_GPIO_DEFAULT_OUT(gpio, init) \
	ASIC3_CONFIG_GPIO((gpio), 0, 1, (init))

/*
 * Alternate functions
 */
#define ASIC3_GPIOA11_PWM0		ASIC3_CONFIG_GPIO(11, 1, 1, 0)
#define ASIC3_GPIOA12_PWM1		ASIC3_CONFIG_GPIO(12, 1, 1, 0)
#define ASIC3_GPIOA15_CONTROL_CX	ASIC3_CONFIG_GPIO(15, 1, 1, 0)
#define ASIC3_GPIOC0_LED0		ASIC3_CONFIG_GPIO(32, 1, 0, 0)
#define ASIC3_GPIOC1_LED1		ASIC3_CONFIG_GPIO(33, 1, 0, 0)
#define ASIC3_GPIOC2_LED2		ASIC3_CONFIG_GPIO(34, 1, 0, 0)
#define ASIC3_GPIOC3_SPI_RXD		ASIC3_CONFIG_GPIO(35, 1, 0, 0)
#define ASIC3_GPIOC4_CF_nCD		ASIC3_CONFIG_GPIO(36, 1, 0, 0)
#define ASIC3_GPIOC4_SPI_TXD		ASIC3_CONFIG_GPIO(36, 1, 1, 0)
#define ASIC3_GPIOC5_SPI_CLK		ASIC3_CONFIG_GPIO(37, 1, 1, 0)
#define ASIC3_GPIOC5_nCIOW		ASIC3_CONFIG_GPIO(37, 1, 1, 0)
#define ASIC3_GPIOC6_nCIOR		ASIC3_CONFIG_GPIO(38, 1, 1, 0)
#define ASIC3_GPIOC7_nPCE_1		ASIC3_CONFIG_GPIO(39, 1, 0, 0)
#define ASIC3_GPIOC8_nPCE_2		ASIC3_CONFIG_GPIO(40, 1, 0, 0)
#define ASIC3_GPIOC9_nPOE		ASIC3_CONFIG_GPIO(41, 1, 0, 0)
#define ASIC3_GPIOC10_nPWE		ASIC3_CONFIG_GPIO(42, 1, 0, 0)
#define ASIC3_GPIOC11_PSKTSEL		ASIC3_CONFIG_GPIO(43, 1, 0, 0)
#define ASIC3_GPIOC12_nPREG		ASIC3_CONFIG_GPIO(44, 1, 0, 0)
#define ASIC3_GPIOC13_nPWAIT		ASIC3_CONFIG_GPIO(45, 1, 1, 0)
#define ASIC3_GPIOC14_nPIOIS16		ASIC3_CONFIG_GPIO(46, 1, 1, 0)
#define ASIC3_GPIOC15_nPIOR		ASIC3_CONFIG_GPIO(47, 1, 0, 0)
#define ASIC3_GPIOD11_nCIOIS16		ASIC3_CONFIG_GPIO(59, 1, 0, 0)
#define ASIC3_GPIOD12_nCWAIT		ASIC3_CONFIG_GPIO(60, 1, 0, 0)
#define ASIC3_GPIOD15_nPIOW		ASIC3_CONFIG_GPIO(63, 1, 0, 0)


#define ASIC3_SPI_Base		      0x0400
#define ASIC3_SPI_Control               0x0000
#define ASIC3_SPI_TxData                0x0004
#define ASIC3_SPI_RxData                0x0008
#define ASIC3_SPI_Int                   0x000c
#define ASIC3_SPI_Status                0x0010

#define SPI_CONTROL_SPR(clk)      ((clk) & 0x0f)  /* Clock rate */

#define ASIC3_PWM_0_Base                0x0500
#define ASIC3_PWM_1_Base                0x0600
#define ASIC3_PWM_TimeBase              0x0000
#define ASIC3_PWM_PeriodTime            0x0004
#define ASIC3_PWM_DutyTime              0x0008

#define PWM_TIMEBASE_VALUE(x)    ((x)&0xf)   /* Low 4 bits sets time base */
#define PWM_TIMEBASE_ENABLE     (1 << 4)   /* Enable clock */

#define ASIC3_NUM_LEDS                  3
#define ASIC3_LED_0_Base                0x0700
#define ASIC3_LED_1_Base                0x0800
#define ASIC3_LED_2_Base 		      0x0900
#define ASIC3_LED_TimeBase              0x0000    /* R/W  7 bits */
#define ASIC3_LED_PeriodTime            0x0004    /* R/W 12 bits */
#define ASIC3_LED_DutyTime              0x0008    /* R/W 12 bits */
#define ASIC3_LED_AutoStopCount         0x000c    /* R/W 16 bits */

/* LED TimeBase bits - match ASIC2 */
#define LED_TBS		0x0f /* Low 4 bits sets time base, max = 13 */
			     /* Note: max = 5 on hx4700	*/
			     /* 0: maximum time base */
			     /* 1: maximum time base / 2 */
			     /* n: maximum time base / 2^n */

#define LED_EN		(1 << 4) /* LED ON/OFF 0:off, 1:on */
#define LED_AUTOSTOP	(1 << 5) /* LED ON/OFF auto stop 0:disable, 1:enable */
#define LED_ALWAYS	(1 << 6) /* LED Interrupt Mask 0:No mask, 1:mask */

#define ASIC3_CLOCK_BASE	   0x0A00
#define ASIC3_CLOCK_CDEX           0x00
#define ASIC3_CLOCK_SEL            0x04

#define CLOCK_CDEX_SOURCE       (1 << 0)  /* 2 bits */
#define CLOCK_CDEX_SOURCE0      (1 << 0)
#define CLOCK_CDEX_SOURCE1      (1 << 1)
#define CLOCK_CDEX_SPI          (1 << 2)
#define CLOCK_CDEX_OWM          (1 << 3)
#define CLOCK_CDEX_PWM0         (1 << 4)
#define CLOCK_CDEX_PWM1         (1 << 5)
#define CLOCK_CDEX_LED0         (1 << 6)
#define CLOCK_CDEX_LED1         (1 << 7)
#define CLOCK_CDEX_LED2         (1 << 8)

/* Clocks settings: 1 for 24.576 MHz, 0 for 12.288Mhz */
#define CLOCK_CDEX_SD_HOST      (1 << 9)   /* R/W: SD host clock source */
#define CLOCK_CDEX_SD_BUS       (1 << 10)  /* R/W: SD bus clock source ctrl */
#define CLOCK_CDEX_SMBUS        (1 << 11)
#define CLOCK_CDEX_CONTROL_CX   (1 << 12)

#define CLOCK_CDEX_EX0          (1 << 13)  /* R/W: 32.768 kHz crystal */
#define CLOCK_CDEX_EX1          (1 << 14)  /* R/W: 24.576 MHz crystal */

#define CLOCK_SEL_SD_HCLK_SEL   (1 << 0)   /* R/W: SDIO host clock select */
#define CLOCK_SEL_SD_BCLK_SEL   (1 << 1)   /* R/W: SDIO bus clock select */

/* R/W: INT clock source control (32.768 kHz) */
#define CLOCK_SEL_CX            (1 << 2)


#define ASIC3_INTR_BASE		0x0B00

#define ASIC3_INTR_INT_MASK       0x00  /* Interrupt mask control */
#define ASIC3_INTR_P_INT_STAT     0x04  /* Peripheral interrupt status */
#define ASIC3_INTR_INT_CPS        0x08  /* Interrupt timer clock pre-scale */
#define ASIC3_INTR_INT_TBS        0x0c  /* Interrupt timer set */

#define ASIC3_INTMASK_GINTMASK    (1 << 0)  /* Global INTs mask 1:enable */
#define ASIC3_INTMASK_GINTEL      (1 << 1)  /* 1: rising edge, 0: hi level */
#define ASIC3_INTMASK_MASK0       (1 << 2)
#define ASIC3_INTMASK_MASK1       (1 << 3)
#define ASIC3_INTMASK_MASK2       (1 << 4)
#define ASIC3_INTMASK_MASK3       (1 << 5)
#define ASIC3_INTMASK_MASK4       (1 << 6)
#define ASIC3_INTMASK_MASK5       (1 << 7)

#define ASIC3_INTR_PERIPHERAL_A   (1 << 0)
#define ASIC3_INTR_PERIPHERAL_B   (1 << 1)
#define ASIC3_INTR_PERIPHERAL_C   (1 << 2)
#define ASIC3_INTR_PERIPHERAL_D   (1 << 3)
#define ASIC3_INTR_LED0           (1 << 4)
#define ASIC3_INTR_LED1           (1 << 5)
#define ASIC3_INTR_LED2           (1 << 6)
#define ASIC3_INTR_SPI            (1 << 7)
#define ASIC3_INTR_SMBUS          (1 << 8)
#define ASIC3_INTR_OWM            (1 << 9)

#define ASIC3_INTR_CPS(x)         ((x)&0x0f)    /* 4 bits, max 14 */
#define ASIC3_INTR_CPS_SET        (1 << 4)    /* Time base enable */


/* Basic control of the SD ASIC */
#define ASIC3_SDHWCTRL_BASE     0x0E00
#define ASIC3_SDHWCTRL_SDCONF     0x00

#define ASIC3_SDHWCTRL_SUSPEND    (1 << 0)  /* 1=suspend all SD operations */
#define ASIC3_SDHWCTRL_CLKSEL     (1 << 1)  /* 1=SDICK, 0=HCLK */
#define ASIC3_SDHWCTRL_PCLR       (1 << 2)  /* All registers of SDIO cleared */
#define ASIC3_SDHWCTRL_LEVCD      (1 << 3)  /* SD card detection: 0:low */

/* SD card write protection: 0=high */
#define ASIC3_SDHWCTRL_LEVWP      (1 << 4)
#define ASIC3_SDHWCTRL_SDLED      (1 << 5)  /* SD card LED signal 0=disable */

/* SD card power supply ctrl 1=enable */
#define ASIC3_SDHWCTRL_SDPWR      (1 << 6)

#define ASIC3_EXTCF_BASE        0x1100

#define ASIC3_EXTCF_SELECT        0x00
#define ASIC3_EXTCF_RESET         0x04

#define ASIC3_EXTCF_SMOD0	         (1 << 0)  /* slot number of mode 0 */
#define ASIC3_EXTCF_SMOD1	         (1 << 1)  /* slot number of mode 1 */
#define ASIC3_EXTCF_SMOD2	         (1 << 2)  /* slot number of mode 2 */
#define ASIC3_EXTCF_OWM_EN	         (1 << 4)  /* enable onewire module */
#define ASIC3_EXTCF_OWM_SMB	         (1 << 5)  /* OWM bus selection */
#define ASIC3_EXTCF_OWM_RESET            (1 << 6)  /* ?? used by OWM and CF */
#define ASIC3_EXTCF_CF0_SLEEP_MODE       (1 << 7)  /* CF0 sleep state */
#define ASIC3_EXTCF_CF1_SLEEP_MODE       (1 << 8)  /* CF1 sleep state */
#define ASIC3_EXTCF_CF0_PWAIT_EN         (1 << 10) /* CF0 PWAIT_n control */
#define ASIC3_EXTCF_CF1_PWAIT_EN         (1 << 11) /* CF1 PWAIT_n control */
#define ASIC3_EXTCF_CF0_BUF_EN           (1 << 12) /* CF0 buffer control */
#define ASIC3_EXTCF_CF1_BUF_EN           (1 << 13) /* CF1 buffer control */
#define ASIC3_EXTCF_SD_MEM_ENABLE        (1 << 14)
#define ASIC3_EXTCF_CF_SLEEP             (1 << 15) /* CF sleep mode control */

/*********************************************
 *  The Onewire interface (DS1WM) is handled
 *  by the ds1wm driver.
 *
 *********************************************/

#define ASIC3_OWM_BASE		0xC00

/*****************************************************************************
 *  The SD configuration registers are at a completely different location
 *  in memory.  They are divided into three sets of registers:
 *
 *  SD_CONFIG         Core configuration register
 *  SD_CTRL           Control registers for SD operations
 *  SDIO_CTRL         Control registers for SDIO operations
 *
 *****************************************************************************/
#define ASIC3_SD_CONFIG_BASE	0x0400 /* Assumes 32 bit addressing */
#define ASIC3_SD_CTRL_BASE	0x1000
#define ASIC3_SDIO_CTRL_BASE	0x1200

#define ASIC3_MAP_SIZE_32BIT	0x2000
#define ASIC3_MAP_SIZE_16BIT	0x1000

/* Functions needed by leds-asic3 */

struct asic3;
extern void asic3_write_register(struct asic3 *asic, unsigned int reg, u32 val);
extern u32 asic3_read_register(struct asic3 *asic, unsigned int reg);

#endif /* __ASIC3_H__ */