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/9/sys/mips/rt305x/rt305x_gpio.h 220297 2011-04-03 14:39:55Z adrian $ 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_ */ 111 112