rt305x_gpio.h revision 331722
1/*-
2 * Copyright (c) 2010 Aleksandr Rybalko.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/11/sys/mips/rt305x/rt305x_gpio.h 331722 2018-03-29 02:50:57Z eadler $
27 */
28#ifndef _RT305X_GPIO_H_
29#define _RT305X_GPIO_H_
30
31#define NGPIO			52
32
33#define RGMII_GPIO_MODE_MASK	(0x0fffULL<<40)
34#define SDRAM_GPIO_MODE_MASK  	(0xffffULL<<24)
35#define MDIO_GPIO_MODE_MASK   	(0x0003ULL<<22)
36#define JTAG_GPIO_MODE_MASK   	(0x001fULL<<17)
37#define UARTL_GPIO_MODE_MASK  	(0x0003ULL<<15)
38#define UARTF_GPIO_MODE_MASK  	(0x00ffULL<<7)
39#define SPI_GPIO_MODE_MASK    	(0x000fULL<<3)
40#define I2C_GPIO_MODE_MASK    	(0x0003ULL<<1)
41
42#define GPIO23_00_INT		0x00 /* Programmed I/O Int Status */
43#define GPIO23_00_EDGE		0x04 /* Programmed I/O Edge Status */
44#define GPIO23_00_RENA		0x08 /* Programmed I/O Int on Rising */
45#define GPIO23_00_FENA		0x0C /* Programmed I/O Int on Falling */
46#define GPIO23_00_DATA		0x20 /* Programmed I/O Data */
47#define GPIO23_00_DIR		0x24 /* Programmed I/O Direction */
48#define GPIO23_00_POL		0x28 /* Programmed I/O Pin Polarity */
49#define GPIO23_00_SET		0x2C /* Set PIO Data Bit */
50#define GPIO23_00_RESET		0x30 /* Clear PIO Data bit */
51#define GPIO23_00_TOG		0x34 /* Toggle PIO Data bit */
52
53#define GPIO39_24_INT		0x38
54#define GPIO39_24_EDGE		0x3c
55#define GPIO39_24_RENA		0x40
56#define GPIO39_24_FENA		0x44
57#define GPIO39_24_DATA		0x48
58#define GPIO39_24_DIR		0x4c
59#define GPIO39_24_POL		0x50
60#define GPIO39_24_SET		0x54
61#define GPIO39_24_RESET		0x58
62#define GPIO39_24_TOG		0x5c
63
64#define GPIO51_40_INT		0x60
65#define GPIO51_40_EDGE		0x64
66#define GPIO51_40_RENA		0x68
67#define GPIO51_40_FENA		0x6C
68#define GPIO51_40_DATA		0x70
69#define GPIO51_40_DIR		0x74
70#define GPIO51_40_POL		0x78
71#define GPIO51_40_SET		0x7C
72#define GPIO51_40_RESET		0x80
73#define GPIO51_40_TOG		0x84
74
75#define GPIO_REG(g, n)							\
76	((g<24)?(GPIO23_00_##n):(g<40)?(GPIO39_24_##n):(GPIO51_40_##n))
77#define GPIO_MASK(g)							\
78	((g<24)?(1<<g):(g<40)?(1<<(g-24)):(1<<(g-40)))
79#define GPIO_BIT_SHIFT(g)	((g<24)?(g):(g<40)?(g-24):(g-40))
80
81#define GPIO_READ(r, g, n) 						\
82	bus_read_4(r->gpio_mem_res, GPIO_REG(g, n))
83#define GPIO_WRITE(r, g, n, v) 						\
84	bus_write_4(r->gpio_mem_res, GPIO_REG(g, n), v)
85#define GPIO_READ_ALL(r, n) 						\
86	(((uint64_t)bus_read_4(r->gpio_mem_res, GPIO23_00_##n)) |	\
87	(((uint64_t)bus_read_4(r->gpio_mem_res, GPIO39_24_##n)) << 24) |\
88	(((uint64_t)bus_read_4(r->gpio_mem_res, GPIO51_40_##n)) << 40))
89#define GPIO_WRITE_ALL(r, n, v) 					\
90	{bus_write_4(r->gpio_mem_res,GPIO23_00_##n, v      &0x00ffffff);\
91	bus_write_4(r->gpio_mem_res, GPIO39_24_##n, (v>>24)&0x0000ffff);\
92	bus_write_4(r->gpio_mem_res, GPIO51_40_##n, (v>>40)&0x00000fff);}
93
94
95#define GPIO_BIT_CLR(r, g, n) 						\
96	bus_write_4(r->gpio_mem_res, GPIO_REG(g, n), 			\
97	    bus_read_4(r->gpio_mem_res, GPIO_REG(g, n)) & ~GPIO_MASK(g))
98#define GPIO_BIT_SET(r, g, n) 						\
99	bus_write_4(r->gpio_mem_res, GPIO_REG(g, n), 			\
100	    bus_read_4(r->gpio_mem_res, GPIO_REG(g, n)) | GPIO_MASK(g))
101
102#define GPIO_BIT_GET(r, g, n)						\
103	((bus_read_4(r->gpio_mem_res, GPIO_REG(g, n)) >> 		\
104	    GPIO_BIT_SHIFT(g)) & 1)
105
106#define GPIO_LOCK(_sc)		mtx_lock(&(_sc)->gpio_mtx)
107#define GPIO_UNLOCK(_sc)	mtx_unlock(&(_sc)->gpio_mtx)
108#define GPIO_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->gpio_mtx, MA_OWNED)
109
110#endif /* _RT305X_GPIO_H_ */
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