/* * include/asm-arm/arch-pnx4008/gpio.h * * PNX4008 GPIO driver - header file * * Author: Dmitry Chigirev * * 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)) 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); #endif /* _PNX4008_GPIO_H_ */