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1/*
2 * include/linux/mfd/asic3.h
3 *
4 * Compaq ASIC3 headers.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Copyright 2001 Compaq Computer Corporation.
3b26bf17 11 * Copyright 2007-2008 OpenedHand Ltd.
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12 */
13
14#ifndef __ASIC3_H__
15#define __ASIC3_H__
16
17#include <linux/types.h>
18
fa9ff4b1 19struct asic3_platform_data {
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20 u16 *gpio_config;
21 unsigned int gpio_config_num;
fa9ff4b1 22
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23 unsigned int irq_base;
24
6f2384c4 25 unsigned int gpio_base;
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26};
27
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28#define ASIC3_NUM_GPIO_BANKS 4
29#define ASIC3_GPIOS_PER_BANK 16
30#define ASIC3_NUM_GPIOS 64
31#define ASIC3_NR_IRQS ASIC3_NUM_GPIOS + 6
32
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33#define ASIC3_IRQ_LED0 64
34#define ASIC3_IRQ_LED1 65
35#define ASIC3_IRQ_LED2 66
36#define ASIC3_IRQ_SPI 67
37#define ASIC3_IRQ_SMBUS 68
38#define ASIC3_IRQ_OWM 69
39
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40#define ASIC3_TO_GPIO(gpio) (NR_BUILTIN_GPIO + (gpio))
41
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42#define ASIC3_GPIO_BANK_A 0
43#define ASIC3_GPIO_BANK_B 1
44#define ASIC3_GPIO_BANK_C 2
45#define ASIC3_GPIO_BANK_D 3
46
47#define ASIC3_GPIO(bank, gpio) \
48 ((ASIC3_GPIOS_PER_BANK * ASIC3_GPIO_BANK_##bank) + (gpio))
49#define ASIC3_GPIO_bit(gpio) (1 << (gpio & 0xf))
50/* All offsets below are specified with this address bus shift */
51#define ASIC3_DEFAULT_ADDR_SHIFT 2
52
3b8139f8 53#define ASIC3_OFFSET(base, reg) (ASIC3_##base##_BASE + ASIC3_##base##_##reg)
fa9ff4b1 54#define ASIC3_GPIO_OFFSET(base, reg) \
3b8139f8 55 (ASIC3_GPIO_##base##_BASE + ASIC3_GPIO_##reg)
fa9ff4b1 56
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57#define ASIC3_GPIO_A_BASE 0x0000
58#define ASIC3_GPIO_B_BASE 0x0100
59#define ASIC3_GPIO_C_BASE 0x0200
60#define ASIC3_GPIO_D_BASE 0x0300
fa9ff4b1 61
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62#define ASIC3_GPIO_TO_BANK(gpio) ((gpio) >> 4)
63#define ASIC3_GPIO_TO_BIT(gpio) ((gpio) - \
64 (ASIC3_GPIOS_PER_BANK * ((gpio) >> 4)))
65#define ASIC3_GPIO_TO_MASK(gpio) (1 << ASIC3_GPIO_TO_BIT(gpio))
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66#define ASIC3_GPIO_TO_BASE(gpio) (ASIC3_GPIO_A_BASE + (((gpio) >> 4) * 0x0100))
67#define ASIC3_BANK_TO_BASE(bank) (ASIC3_GPIO_A_BASE + ((bank) * 0x100))
68
69#define ASIC3_GPIO_MASK 0x00 /* R/W 0:don't mask */
70#define ASIC3_GPIO_DIRECTION 0x04 /* R/W 0:input */
71#define ASIC3_GPIO_OUT 0x08 /* R/W 0:output low */
72#define ASIC3_GPIO_TRIGGER_TYPE 0x0c /* R/W 0:level */
73#define ASIC3_GPIO_EDGE_TRIGGER 0x10 /* R/W 0:falling */
74#define ASIC3_GPIO_LEVEL_TRIGGER 0x14 /* R/W 0:low level detect */
75#define ASIC3_GPIO_SLEEP_MASK 0x18 /* R/W 0:don't mask in sleep mode */
76#define ASIC3_GPIO_SLEEP_OUT 0x1c /* R/W level 0:low in sleep mode */
77#define ASIC3_GPIO_BAT_FAULT_OUT 0x20 /* R/W level 0:low in batt_fault */
78#define ASIC3_GPIO_INT_STATUS 0x24 /* R/W 0:none, 1:detect */
79#define ASIC3_GPIO_ALT_FUNCTION 0x28 /* R/W 1:LED register control */
80#define ASIC3_GPIO_SLEEP_CONF 0x2c /*
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81 * R/W bit 1: autosleep
82 * 0: disable gposlpout in normal mode,
83 * enable gposlpout in sleep mode.
84 */
3b8139f8 85#define ASIC3_GPIO_STATUS 0x30 /* R Pin status */
fa9ff4b1 86
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87/*
88 * ASIC3 GPIO config
89 *
90 * Bits 0..6 gpio number
91 * Bits 7..13 Alternate function
92 * Bit 14 Direction
93 * Bit 15 Initial value
94 *
95 */
96#define ASIC3_CONFIG_GPIO_PIN(config) ((config) & 0x7f)
97#define ASIC3_CONFIG_GPIO_ALT(config) (((config) & (0x7f << 7)) >> 7)
98#define ASIC3_CONFIG_GPIO_DIR(config) ((config & (1 << 14)) >> 14)
99#define ASIC3_CONFIG_GPIO_INIT(config) ((config & (1 << 15)) >> 15)
100#define ASIC3_CONFIG_GPIO(gpio, alt, dir, init) (((gpio) & 0x7f) \
101 | (((alt) & 0x7f) << 7) | (((dir) & 0x1) << 14) \
102 | (((init) & 0x1) << 15))
103#define ASIC3_CONFIG_GPIO_DEFAULT(gpio, dir, init) \
104 ASIC3_CONFIG_GPIO((gpio), 0, (dir), (init))
105#define ASIC3_CONFIG_GPIO_DEFAULT_OUT(gpio, init) \
106 ASIC3_CONFIG_GPIO((gpio), 0, 1, (init))
107
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108/*
109 * Alternate functions
110 */
111#define ASIC3_GPIOA11_PWM0 ASIC3_CONFIG_GPIO(11, 1, 1, 0)
112#define ASIC3_GPIOA12_PWM1 ASIC3_CONFIG_GPIO(12, 1, 1, 0)
113#define ASIC3_GPIOA15_CONTROL_CX ASIC3_CONFIG_GPIO(15, 1, 1, 0)
114#define ASIC3_GPIOC0_LED0 ASIC3_CONFIG_GPIO(32, 1, 1, 0)
115#define ASIC3_GPIOC1_LED1 ASIC3_CONFIG_GPIO(33, 1, 1, 0)
116#define ASIC3_GPIOC2_LED2 ASIC3_CONFIG_GPIO(34, 1, 1, 0)
117#define ASIC3_GPIOC3_SPI_RXD ASIC3_CONFIG_GPIO(35, 1, 0, 0)
118#define ASIC3_GPIOC4_CF_nCD ASIC3_CONFIG_GPIO(36, 1, 0, 0)
119#define ASIC3_GPIOC4_SPI_TXD ASIC3_CONFIG_GPIO(36, 1, 1, 0)
120#define ASIC3_GPIOC5_SPI_CLK ASIC3_CONFIG_GPIO(37, 1, 1, 0)
121#define ASIC3_GPIOC5_nCIOW ASIC3_CONFIG_GPIO(37, 1, 1, 0)
122#define ASIC3_GPIOC6_nCIOR ASIC3_CONFIG_GPIO(38, 1, 1, 0)
123#define ASIC3_GPIOC7_nPCE_1 ASIC3_CONFIG_GPIO(39, 1, 0, 0)
124#define ASIC3_GPIOC8_nPCE_2 ASIC3_CONFIG_GPIO(40, 1, 0, 0)
125#define ASIC3_GPIOC9_nPOE ASIC3_CONFIG_GPIO(41, 1, 0, 0)
126#define ASIC3_GPIOC10_nPWE ASIC3_CONFIG_GPIO(42, 1, 0, 0)
127#define ASIC3_GPIOC11_PSKTSEL ASIC3_CONFIG_GPIO(43, 1, 0, 0)
128#define ASIC3_GPIOC12_nPREG ASIC3_CONFIG_GPIO(44, 1, 0, 0)
129#define ASIC3_GPIOC13_nPWAIT ASIC3_CONFIG_GPIO(45, 1, 1, 0)
130#define ASIC3_GPIOC14_nPIOIS16 ASIC3_CONFIG_GPIO(46, 1, 1, 0)
131#define ASIC3_GPIOC15_nPIOR ASIC3_CONFIG_GPIO(47, 1, 0, 0)
132#define ASIC3_GPIOD11_nCIOIS16 ASIC3_CONFIG_GPIO(59, 1, 0, 0)
133#define ASIC3_GPIOD12_nCWAIT ASIC3_CONFIG_GPIO(60, 1, 0, 0)
134#define ASIC3_GPIOD15_nPIOW ASIC3_CONFIG_GPIO(63, 1, 0, 0)
135
136
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137#define ASIC3_SPI_Base 0x0400
138#define ASIC3_SPI_Control 0x0000
139#define ASIC3_SPI_TxData 0x0004
140#define ASIC3_SPI_RxData 0x0008
141#define ASIC3_SPI_Int 0x000c
142#define ASIC3_SPI_Status 0x0010
143
144#define SPI_CONTROL_SPR(clk) ((clk) & 0x0f) /* Clock rate */
145
146#define ASIC3_PWM_0_Base 0x0500
147#define ASIC3_PWM_1_Base 0x0600
148#define ASIC3_PWM_TimeBase 0x0000
149#define ASIC3_PWM_PeriodTime 0x0004
150#define ASIC3_PWM_DutyTime 0x0008
151
152#define PWM_TIMEBASE_VALUE(x) ((x)&0xf) /* Low 4 bits sets time base */
153#define PWM_TIMEBASE_ENABLE (1 << 4) /* Enable clock */
154
155#define ASIC3_LED_0_Base 0x0700
156#define ASIC3_LED_1_Base 0x0800
157#define ASIC3_LED_2_Base 0x0900
158#define ASIC3_LED_TimeBase 0x0000 /* R/W 7 bits */
159#define ASIC3_LED_PeriodTime 0x0004 /* R/W 12 bits */
160#define ASIC3_LED_DutyTime 0x0008 /* R/W 12 bits */
161#define ASIC3_LED_AutoStopCount 0x000c /* R/W 16 bits */
162
163/* LED TimeBase bits - match ASIC2 */
164#define LED_TBS 0x0f /* Low 4 bits sets time base, max = 13 */
165 /* Note: max = 5 on hx4700 */
166 /* 0: maximum time base */
167 /* 1: maximum time base / 2 */
168 /* n: maximum time base / 2^n */
169
170#define LED_EN (1 << 4) /* LED ON/OFF 0:off, 1:on */
171#define LED_AUTOSTOP (1 << 5) /* LED ON/OFF auto stop 0:disable, 1:enable */
172#define LED_ALWAYS (1 << 6) /* LED Interrupt Mask 0:No mask, 1:mask */
173
3b8139f8 174#define ASIC3_CLOCK_BASE 0x0A00
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175#define ASIC3_CLOCK_CDEX 0x00
176#define ASIC3_CLOCK_SEL 0x04
177
178#define CLOCK_CDEX_SOURCE (1 << 0) /* 2 bits */
179#define CLOCK_CDEX_SOURCE0 (1 << 0)
180#define CLOCK_CDEX_SOURCE1 (1 << 1)
181#define CLOCK_CDEX_SPI (1 << 2)
182#define CLOCK_CDEX_OWM (1 << 3)
183#define CLOCK_CDEX_PWM0 (1 << 4)
184#define CLOCK_CDEX_PWM1 (1 << 5)
185#define CLOCK_CDEX_LED0 (1 << 6)
186#define CLOCK_CDEX_LED1 (1 << 7)
187#define CLOCK_CDEX_LED2 (1 << 8)
188
189/* Clocks settings: 1 for 24.576 MHz, 0 for 12.288Mhz */
190#define CLOCK_CDEX_SD_HOST (1 << 9) /* R/W: SD host clock source */
191#define CLOCK_CDEX_SD_BUS (1 << 10) /* R/W: SD bus clock source ctrl */
192#define CLOCK_CDEX_SMBUS (1 << 11)
193#define CLOCK_CDEX_CONTROL_CX (1 << 12)
194
195#define CLOCK_CDEX_EX0 (1 << 13) /* R/W: 32.768 kHz crystal */
196#define CLOCK_CDEX_EX1 (1 << 14) /* R/W: 24.576 MHz crystal */
197
198#define CLOCK_SEL_SD_HCLK_SEL (1 << 0) /* R/W: SDIO host clock select */
199#define CLOCK_SEL_SD_BCLK_SEL (1 << 1) /* R/W: SDIO bus clock select */
200
201/* R/W: INT clock source control (32.768 kHz) */
202#define CLOCK_SEL_CX (1 << 2)
203
204
3b8139f8 205#define ASIC3_INTR_BASE 0x0B00
fa9ff4b1 206
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207#define ASIC3_INTR_INT_MASK 0x00 /* Interrupt mask control */
208#define ASIC3_INTR_P_INT_STAT 0x04 /* Peripheral interrupt status */
209#define ASIC3_INTR_INT_CPS 0x08 /* Interrupt timer clock pre-scale */
210#define ASIC3_INTR_INT_TBS 0x0c /* Interrupt timer set */
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211
212#define ASIC3_INTMASK_GINTMASK (1 << 0) /* Global INTs mask 1:enable */
213#define ASIC3_INTMASK_GINTEL (1 << 1) /* 1: rising edge, 0: hi level */
214#define ASIC3_INTMASK_MASK0 (1 << 2)
215#define ASIC3_INTMASK_MASK1 (1 << 3)
216#define ASIC3_INTMASK_MASK2 (1 << 4)
217#define ASIC3_INTMASK_MASK3 (1 << 5)
218#define ASIC3_INTMASK_MASK4 (1 << 6)
219#define ASIC3_INTMASK_MASK5 (1 << 7)
220
221#define ASIC3_INTR_PERIPHERAL_A (1 << 0)
222#define ASIC3_INTR_PERIPHERAL_B (1 << 1)
223#define ASIC3_INTR_PERIPHERAL_C (1 << 2)
224#define ASIC3_INTR_PERIPHERAL_D (1 << 3)
225#define ASIC3_INTR_LED0 (1 << 4)
226#define ASIC3_INTR_LED1 (1 << 5)
227#define ASIC3_INTR_LED2 (1 << 6)
228#define ASIC3_INTR_SPI (1 << 7)
229#define ASIC3_INTR_SMBUS (1 << 8)
230#define ASIC3_INTR_OWM (1 << 9)
231
232#define ASIC3_INTR_CPS(x) ((x)&0x0f) /* 4 bits, max 14 */
233#define ASIC3_INTR_CPS_SET (1 << 4) /* Time base enable */
234
235
236/* Basic control of the SD ASIC */
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237#define ASIC3_SDHWCTRL_BASE 0x0E00
238#define ASIC3_SDHWCTRL_SDCONF 0x00
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239
240#define ASIC3_SDHWCTRL_SUSPEND (1 << 0) /* 1=suspend all SD operations */
241#define ASIC3_SDHWCTRL_CLKSEL (1 << 1) /* 1=SDICK, 0=HCLK */
242#define ASIC3_SDHWCTRL_PCLR (1 << 2) /* All registers of SDIO cleared */
243#define ASIC3_SDHWCTRL_LEVCD (1 << 3) /* SD card detection: 0:low */
244
245/* SD card write protection: 0=high */
246#define ASIC3_SDHWCTRL_LEVWP (1 << 4)
247#define ASIC3_SDHWCTRL_SDLED (1 << 5) /* SD card LED signal 0=disable */
248
249/* SD card power supply ctrl 1=enable */
250#define ASIC3_SDHWCTRL_SDPWR (1 << 6)
251
6483c1b5 252#define ASIC3_EXTCF_BASE 0x1100
fa9ff4b1 253
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254#define ASIC3_EXTCF_SELECT 0x00
255#define ASIC3_EXTCF_RESET 0x04
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256
257#define ASIC3_EXTCF_SMOD0 (1 << 0) /* slot number of mode 0 */
258#define ASIC3_EXTCF_SMOD1 (1 << 1) /* slot number of mode 1 */
259#define ASIC3_EXTCF_SMOD2 (1 << 2) /* slot number of mode 2 */
260#define ASIC3_EXTCF_OWM_EN (1 << 4) /* enable onewire module */
261#define ASIC3_EXTCF_OWM_SMB (1 << 5) /* OWM bus selection */
262#define ASIC3_EXTCF_OWM_RESET (1 << 6) /* ?? used by OWM and CF */
263#define ASIC3_EXTCF_CF0_SLEEP_MODE (1 << 7) /* CF0 sleep state */
264#define ASIC3_EXTCF_CF1_SLEEP_MODE (1 << 8) /* CF1 sleep state */
265#define ASIC3_EXTCF_CF0_PWAIT_EN (1 << 10) /* CF0 PWAIT_n control */
266#define ASIC3_EXTCF_CF1_PWAIT_EN (1 << 11) /* CF1 PWAIT_n control */
267#define ASIC3_EXTCF_CF0_BUF_EN (1 << 12) /* CF0 buffer control */
268#define ASIC3_EXTCF_CF1_BUF_EN (1 << 13) /* CF1 buffer control */
269#define ASIC3_EXTCF_SD_MEM_ENABLE (1 << 14)
270#define ASIC3_EXTCF_CF_SLEEP (1 << 15) /* CF sleep mode control */
271
272/*********************************************
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273 * The Onewire interface (DS1WM) is handled
274 * by the ds1wm driver.
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275 *
276 *********************************************/
277
279cac48 278#define ASIC3_OWM_BASE 0xC00
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279
280/*****************************************************************************
281 * The SD configuration registers are at a completely different location
282 * in memory. They are divided into three sets of registers:
283 *
284 * SD_CONFIG Core configuration register
285 * SD_CTRL Control registers for SD operations
286 * SDIO_CTRL Control registers for SDIO operations
287 *
288 *****************************************************************************/
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289#define ASIC3_SD_CONFIG_BASE 0x0400 /* Assumes 32 bit addressing */
290#define ASIC3_SD_CTRL_BASE 0x1000
291#define ASIC3_SDIO_CTRL_BASE 0x1200
fa9ff4b1 292
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293#define ASIC3_MAP_SIZE_32BIT 0x2000
294#define ASIC3_MAP_SIZE_16BIT 0x1000
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295
296#endif /* __ASIC3_H__ */