summaryrefslogtreecommitdiffstats
path: root/include/asm-arm/arch-pnx4008/gpio.h
blob: d01bf83d55c2625e997225e90261bc86e81de6cd (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
/*
 * include/asm-arm/arch-pnx4008/gpio.h
 *
 * PNX4008 GPIO driver - header file
 *
 * Author: Dmitry Chigirev <source@mvista.com>
 *
 * Based on reference code by Iwo Mergler and Z.Tabaaloute from Philips:
 * Copyright (c) 2005 Koninklijke Philips Electronics N.V.
 *
 * 2005 (c) MontaVista Software, Inc. This file is licensed under
 * the terms of the GNU General Public License version 2. This program
 * is licensed "as is" without any warranty of any kind, whether express
 * or implied.
 */

#ifndef _PNX4008_GPIO_H_
#define _PNX4008_GPIO_H_


/* Block numbers */
#define GPIO_IN		(0)
#define GPIO_OUT		(0x100)
#define GPIO_BID		(0x200)
#define GPIO_RAM		(0x300)
#define GPIO_MUX		(0x400)

#define GPIO_TYPE_MASK(K) ((K) & 0x700)

/* INPUT GPIOs */
/* GPI */
#define GPI_00		(GPIO_IN | 0)
#define GPI_01		(GPIO_IN | 1)
#define GPI_02   	(GPIO_IN | 2)
#define GPI_03 	 	(GPIO_IN | 3)
#define GPI_04   	(GPIO_IN | 4)
#define GPI_05   	(GPIO_IN | 5)
#define GPI_06   	(GPIO_IN | 6)
#define GPI_07   	(GPIO_IN | 7)
#define GPI_08   	(GPIO_IN | 8)
#define GPI_09   	(GPIO_IN | 9)
#define U1_RX 		(GPIO_IN | 15)
#define U2_HTCS 	(GPIO_IN | 16)
#define U2_RX	 	(GPIO_IN | 17)
#define U3_RX		(GPIO_IN | 18)
#define U4_RX		(GPIO_IN | 19)
#define U5_RX		(GPIO_IN | 20)
#define U6_IRRX 	(GPIO_IN | 21)
#define U7_HCTS 	(GPIO_IN | 22)
#define U7_RX		(GPIO_IN | 23)
/* MISC IN */
#define SPI1_DATIN	(GPIO_IN | 25)
#define DISP_SYNC	(GPIO_IN | 26)
#define SPI2_DATIN	(GPIO_IN | 27)
#define GPI_11  	(GPIO_IN | 28)

#define GPIO_IN_MASK   0x1eff83ff

/* OUTPUT GPIOs */
/* GPO */
#define GPO_00		(GPIO_OUT | 0)
#define GPO_01   	(GPIO_OUT | 1)
#define GPO_02   	(GPIO_OUT | 2)
#define GPO_03 	 	(GPIO_OUT | 3)
#define GPO_04   	(GPIO_OUT | 4)
#define GPO_05   	(GPIO_OUT | 5)
#define GPO_06   	(GPIO_OUT | 6)
#define GPO_07   	(GPIO_OUT | 7)
#define GPO_08		(GPIO_OUT | 8)
#define GPO_09   	(GPIO_OUT | 9)
#define GPO_10   	(GPIO_OUT | 10)
#define GPO_11 	 	(GPIO_OUT | 11)
#define GPO_12   	(GPIO_OUT | 12)
#define GPO_13   	(GPIO_OUT | 13)
#define GPO_14   	(GPIO_OUT | 14)
#define GPO_15   	(GPIO_OUT | 15)
#define GPO_16  	(GPIO_OUT | 16)
#define GPO_17 	 	(GPIO_OUT | 17)
#define GPO_18   	(GPIO_OUT | 18)
#define GPO_19   	(GPIO_OUT | 19)
#define GPO_20   	(GPIO_OUT | 20)
#define GPO_21   	(GPIO_OUT | 21)
#define GPO_22   	(GPIO_OUT | 22)
#define GPO_23   	(GPIO_OUT | 23)

#define GPIO_OUT_MASK   0xffffff

/* BIDIRECTIONAL GPIOs */
/* RAM pins */
#define RAM_D19		(GPIO_RAM | 0)
#define RAM_D20  	(GPIO_RAM | 1)
#define RAM_D21  	(GPIO_RAM | 2)
#define RAM_D22 	(GPIO_RAM | 3)
#define RAM_D23  	(GPIO_RAM | 4)
#define RAM_D24  	(GPIO_RAM | 5)
#define RAM_D25  	(GPIO_RAM | 6)
#define RAM_D26  	(GPIO_RAM | 7)
#define RAM_D27		(GPIO_RAM | 8)
#define RAM_D28  	(GPIO_RAM | 9)
#define RAM_D29  	(GPIO_RAM | 10)
#define RAM_D30 	(GPIO_RAM | 11)
#define RAM_D31  	(GPIO_RAM | 12)

#define GPIO_RAM_MASK   0x1fff

/* I/O pins */
#define GPIO_00  	(GPIO_BID | 25)
#define GPIO_01 	(GPIO_BID | 26)
#define GPIO_02  	(GPIO_BID | 27)
#define GPIO_03  	(GPIO_BID | 28)
#define GPIO_04 	(GPIO_BID | 29)
#define GPIO_05  	(GPIO_BID | 30)

#define GPIO_BID_MASK   0x7e000000

/* Non-GPIO multiplexed PIOs. For multiplexing with GPIO, please use GPIO macros */
#define GPIO_SDRAM_SEL 	(GPIO_MUX | 3)

#define GPIO_MUX_MASK   0x8

/* Extraction/assembly macros */
#define GPIO_BIT_MASK(K) ((K) & 0x1F)
#define GPIO_BIT(K) (1 << GPIO_BIT_MASK(K))
#define GPIO_ISMUX(K) ((GPIO_TYPE_MASK(K) == GPIO_MUX) && (GPIO_BIT(K) & GPIO_MUX_MASK))
#define GPIO_ISRAM(K) ((GPIO_TYPE_MASK(K) == GPIO_RAM) && (GPIO_BIT(K) & GPIO_RAM_MASK))
#define GPIO_ISBID(K) ((GPIO_TYPE_MASK(K) == GPIO_BID) && (GPIO_BIT(K) & GPIO_BID_MASK))
#define GPIO_ISOUT(K) ((GPIO_TYPE_MASK(K) == GPIO_OUT) && (GPIO_BIT(K) & GPIO_OUT_MASK))
#define GPIO_ISIN(K)  ((GPIO_TYPE_MASK(K) == GPIO_IN) && (GPIO_BIT(K) & GPIO_IN_MASK))

/* Start Enable Pin Interrupts - table 58 page 66 */

#define SE_PIN_BASE_INT   32

#define SE_U7_RX_INT            63
#define SE_U7_HCTS_INT          62
#define SE_BT_CLKREQ_INT        61
#define SE_U6_IRRX_INT          60
/*59 unused*/
#define SE_U5_RX_INT            58
#define SE_GPI_11_INT           57
#define SE_U3_RX_INT            56
#define SE_U2_HCTS_INT          55
#define SE_U2_RX_INT            54
#define SE_U1_RX_INT            53
#define SE_DISP_SYNC_INT        52
/*51 unused*/
#define SE_SDIO_INT_N           50
#define SE_MSDIO_START_INT      49
#define SE_GPI_06_INT           48
#define SE_GPI_05_INT           47
#define SE_GPI_04_INT           46
#define SE_GPI_03_INT           45
#define SE_GPI_02_INT           44
#define SE_GPI_01_INT           43
#define SE_GPI_00_INT           42
#define SE_SYSCLKEN_PIN_INT     41
#define SE_SPI1_DATAIN_INT      40
#define SE_GPI_07_INT           39
#define SE_SPI2_DATAIN_INT      38
#define SE_GPI_10_INT           37
#define SE_GPI_09_INT           36
#define SE_GPI_08_INT           35
/*34-32 unused*/

/* Start Enable Internal Interrupts - table 57 page 65 */

#define SE_INT_BASE_INT   0

#define SE_TS_IRQ               31
#define SE_TS_P_INT             30
#define SE_TS_AUX_INT           29
/*27-28 unused*/
#define SE_USB_AHB_NEED_CLK_INT 26
#define SE_MSTIMER_INT          25
#define SE_RTC_INT              24
#define SE_USB_NEED_CLK_INT     23
#define SE_USB_INT              22
#define SE_USB_I2C_INT          21
#define SE_USB_OTG_TIMER_INT    20
#define SE_USB_OTG_ATX_INT_N    19
/*18 unused*/
#define SE_DSP_GPIO4_INT        17
#define SE_KEY_IRQ              16
#define SE_DSP_SLAVEPORT_INT    15
#define SE_DSP_GPIO1_INT        14
#define SE_DSP_GPIO0_INT        13
#define SE_DSP_AHB_INT          12
/*11-6 unused*/
#define SE_GPIO_05_INT          5
#define SE_GPIO_04_INT          4
#define SE_GPIO_03_INT          3
#define SE_GPIO_02_INT          2
#define SE_GPIO_01_INT          1
#define SE_GPIO_00_INT          0

#define START_INT_REG_BIT(irq) (1<<((irq)&0x1F))

#define START_INT_ER_REG(irq)     IO_ADDRESS((PNX4008_PWRMAN_BASE + 0x20 + (((irq)&(0x1<<5))>>1)))
#define START_INT_RSR_REG(irq)    IO_ADDRESS((PNX4008_PWRMAN_BASE + 0x24 + (((irq)&(0x1<<5))>>1)))
#define START_INT_SR_REG(irq)     IO_ADDRESS((PNX4008_PWRMAN_BASE + 0x28 + (((irq)&(0x1<<5))>>1)))
#define START_INT_APR_REG(irq)    IO_ADDRESS((PNX4008_PWRMAN_BASE + 0x2C + (((irq)&(0x1<<5))>>1)))

extern int pnx4008_gpio_register_pin(unsigned short pin);
extern int pnx4008_gpio_unregister_pin(unsigned short pin);
extern unsigned long pnx4008_gpio_read_pin(unsigned short pin);
extern int pnx4008_gpio_write_pin(unsigned short pin, int output);
extern int pnx4008_gpio_set_pin_direction(unsigned short pin, int output);
extern int pnx4008_gpio_read_pin_direction(unsigned short pin);
extern int pnx4008_gpio_set_pin_mux(unsigned short pin, int output);
extern int pnx4008_gpio_read_pin_mux(unsigned short pin);

static inline void start_int_umask(u8 irq)
{
	__raw_writel(__raw_readl(START_INT_ER_REG(irq)) |
		     START_INT_REG_BIT(irq), START_INT_ER_REG(irq));
}

static inline void start_int_mask(u8 irq)
{
	__raw_writel(__raw_readl(START_INT_ER_REG(irq)) &
		     ~START_INT_REG_BIT(irq), START_INT_ER_REG(irq));
}

static inline void start_int_ack(u8 irq)
{
	__raw_writel(START_INT_REG_BIT(irq), START_INT_RSR_REG(irq));
}

static inline void start_int_set_falling_edge(u8 irq)
{
	__raw_writel(__raw_readl(START_INT_APR_REG(irq)) &
		     ~START_INT_REG_BIT(irq), START_INT_APR_REG(irq));
}

static inline void start_int_set_rising_edge(u8 irq)
{
	__raw_writel(__raw_readl(START_INT_APR_REG(irq)) |
		     START_INT_REG_BIT(irq), START_INT_APR_REG(irq));
}

#endif				/* _PNX4008_GPIO_H_ */