diff options
Diffstat (limited to 'arch/arm/mach-u300/include/mach/gpio.h')
| -rw-r--r-- | arch/arm/mach-u300/include/mach/gpio.h | 295 |
1 files changed, 1 insertions, 294 deletions
diff --git a/arch/arm/mach-u300/include/mach/gpio.h b/arch/arm/mach-u300/include/mach/gpio.h index d5a71ab..40a8c17 100644 --- a/arch/arm/mach-u300/include/mach/gpio.h +++ b/arch/arm/mach-u300/include/mach/gpio.h @@ -1,294 +1 @@ -/* - * - * arch/arm/mach-u300/include/mach/gpio.h - * - * - * Copyright (C) 2007-2009 ST-Ericsson AB - * License terms: GNU General Public License (GPL) version 2 - * GPIO block resgister definitions and inline macros for - * U300 GPIO COH 901 335 or COH 901 571/3 - * Author: Linus Walleij <linus.walleij@stericsson.com> - */ - -#ifndef __MACH_U300_GPIO_H -#define __MACH_U300_GPIO_H - -#include <linux/kernel.h> -#include <linux/io.h> -#include <mach/hardware.h> -#include <asm/irq.h> - -/* Switch type depending on platform/chip variant */ -#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330) -#define U300_COH901335 -#endif -#if defined(CONFIG_MACH_U300_BS365) || defined(CONFIG_MACH_U300_BS335) -#define U300_COH901571_3 -#endif - -/* Get base address for regs here */ -#include "u300-regs.h" -/* IRQ numbers */ -#include "irqs.h" - -/* - * This is the GPIO block definitions. GPIO (General Purpose I/O) can be - * used for anything, and often is. The event/enable etc figures are for - * the lowermost pin (pin 0 on each port), shift this left to match your - * pin if you're gonna use these values. - */ -#ifdef U300_COH901335 -#define U300_GPIO_PORTX_SPACING (0x1C) -/* Port X Pin Data Register 32bit, this is both input and output (R/W) */ -#define U300_GPIO_PXPDIR (0x00) -#define U300_GPIO_PXPDOR (0x00) -/* Port X Pin Config Register 32bit (R/W) */ -#define U300_GPIO_PXPCR (0x04) -#define U300_GPIO_PXPCR_ALL_PINS_MODE_MASK (0x0000FFFFUL) -#define U300_GPIO_PXPCR_PIN_MODE_MASK (0x00000003UL) -#define U300_GPIO_PXPCR_PIN_MODE_SHIFT (0x00000002UL) -#define U300_GPIO_PXPCR_PIN_MODE_INPUT (0x00000000UL) -#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL (0x00000001UL) -#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_DRAIN (0x00000002UL) -#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_SOURCE (0x00000003UL) -/* Port X Interrupt Event Register 32bit (R/W) */ -#define U300_GPIO_PXIEV (0x08) -#define U300_GPIO_PXIEV_ALL_IRQ_EVENT_MASK (0x000000FFUL) -#define U300_GPIO_PXIEV_IRQ_EVENT (0x00000001UL) -/* Port X Interrupt Enable Register 32bit (R/W) */ -#define U300_GPIO_PXIEN (0x0C) -#define U300_GPIO_PXIEN_ALL_IRQ_ENABLE_MASK (0x000000FFUL) -#define U300_GPIO_PXIEN_IRQ_ENABLE (0x00000001UL) -/* Port X Interrupt Force Register 32bit (R/W) */ -#define U300_GPIO_PXIFR (0x10) -#define U300_GPIO_PXIFR_ALL_IRQ_FORCE_MASK (0x000000FFUL) -#define U300_GPIO_PXIFR_IRQ_FORCE (0x00000001UL) -/* Port X Interrupt Config Register 32bit (R/W) */ -#define U300_GPIO_PXICR (0x14) -#define U300_GPIO_PXICR_ALL_IRQ_CONFIG_MASK (0x000000FFUL) -#define U300_GPIO_PXICR_IRQ_CONFIG_MASK (0x00000001UL) -#define U300_GPIO_PXICR_IRQ_CONFIG_FALLING_EDGE (0x00000000UL) -#define U300_GPIO_PXICR_IRQ_CONFIG_RISING_EDGE (0x00000001UL) -/* Port X Pull-up Enable Register 32bit (R/W) */ -#define U300_GPIO_PXPER (0x18) -#define U300_GPIO_PXPER_ALL_PULL_UP_DISABLE_MASK (0x000000FFUL) -#define U300_GPIO_PXPER_PULL_UP_DISABLE (0x00000001UL) -/* Control Register 32bit (R/W) */ -#define U300_GPIO_CR (0x54) -#define U300_GPIO_CR_BLOCK_CLOCK_ENABLE (0x00000001UL) -/* three ports of 8 bits each = GPIO pins 0..23 */ -#define U300_GPIO_NUM_PORTS 3 -#define U300_GPIO_PINS_PER_PORT 8 -#define U300_GPIO_MAX (U300_GPIO_PINS_PER_PORT * U300_GPIO_NUM_PORTS - 1) -#endif - -#ifdef U300_COH901571_3 -/* - * Control Register 32bit (R/W) - * bit 15-9 (mask 0x0000FE00) contains the number of cores. 8*cores - * gives the number of GPIO pins. - * bit 8-2 (mask 0x000001FC) contains the core version ID. - */ -#define U300_GPIO_CR (0x00) -#define U300_GPIO_CR_SYNC_SEL_ENABLE (0x00000002UL) -#define U300_GPIO_CR_BLOCK_CLKRQ_ENABLE (0x00000001UL) -#define U300_GPIO_PORTX_SPACING (0x30) -/* Port X Pin Data INPUT Register 32bit (R/W) */ -#define U300_GPIO_PXPDIR (0x04) -/* Port X Pin Data OUTPUT Register 32bit (R/W) */ -#define U300_GPIO_PXPDOR (0x08) -/* Port X Pin Config Register 32bit (R/W) */ -#define U300_GPIO_PXPCR (0x0C) -#define U300_GPIO_PXPCR_ALL_PINS_MODE_MASK (0x0000FFFFUL) -#define U300_GPIO_PXPCR_PIN_MODE_MASK (0x00000003UL) -#define U300_GPIO_PXPCR_PIN_MODE_SHIFT (0x00000002UL) -#define U300_GPIO_PXPCR_PIN_MODE_INPUT (0x00000000UL) -#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL (0x00000001UL) -#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_DRAIN (0x00000002UL) -#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_SOURCE (0x00000003UL) -/* Port X Pull-up Enable Register 32bit (R/W) */ -#define U300_GPIO_PXPER (0x10) -#define U300_GPIO_PXPER_ALL_PULL_UP_DISABLE_MASK (0x000000FFUL) -#define U300_GPIO_PXPER_PULL_UP_DISABLE (0x00000001UL) -/* Port X Interrupt Event Register 32bit (R/W) */ -#define U300_GPIO_PXIEV (0x14) -#define U300_GPIO_PXIEV_ALL_IRQ_EVENT_MASK (0x000000FFUL) -#define U300_GPIO_PXIEV_IRQ_EVENT (0x00000001UL) -/* Port X Interrupt Enable Register 32bit (R/W) */ -#define U300_GPIO_PXIEN (0x18) -#define U300_GPIO_PXIEN_ALL_IRQ_ENABLE_MASK (0x000000FFUL) -#define U300_GPIO_PXIEN_IRQ_ENABLE (0x00000001UL) -/* Port X Interrupt Force Register 32bit (R/W) */ -#define U300_GPIO_PXIFR (0x1C) -#define U300_GPIO_PXIFR_ALL_IRQ_FORCE_MASK (0x000000FFUL) -#define U300_GPIO_PXIFR_IRQ_FORCE (0x00000001UL) -/* Port X Interrupt Config Register 32bit (R/W) */ -#define U300_GPIO_PXICR (0x20) -#define U300_GPIO_PXICR_ALL_IRQ_CONFIG_MASK (0x000000FFUL) -#define U300_GPIO_PXICR_IRQ_CONFIG_MASK (0x00000001UL) -#define U300_GPIO_PXICR_IRQ_CONFIG_FALLING_EDGE (0x00000000UL) -#define U300_GPIO_PXICR_IRQ_CONFIG_RISING_EDGE (0x00000001UL) -#ifdef CONFIG_MACH_U300_BS335 -/* seven ports of 8 bits each = GPIO pins 0..55 */ -#define U300_GPIO_NUM_PORTS 7 -#else -/* five ports of 8 bits each = GPIO pins 0..39 */ -#define U300_GPIO_NUM_PORTS 5 -#endif -#define U300_GPIO_PINS_PER_PORT 8 -#define U300_GPIO_MAX (U300_GPIO_PINS_PER_PORT * U300_GPIO_NUM_PORTS - 1) -#endif - -/* - * Individual pin assignments for the B26/S26. Notice that the - * actual usage of these pins depends on the PAD MUX settings, that - * is why the same number can potentially appear several times. - * In the reference design each pin is only used for one purpose. - * These were determined by inspecting the B26/S26 schematic: - * 2/1911-ROA 128 1603 - */ -#ifdef CONFIG_MACH_U300_BS2X -#define U300_GPIO_PIN_UART_RX 0 -#define U300_GPIO_PIN_UART_TX 1 -#define U300_GPIO_PIN_GPIO02 2 /* Unrouted */ -#define U300_GPIO_PIN_GPIO03 3 /* Unrouted */ -#define U300_GPIO_PIN_CAM_SLEEP 4 -#define U300_GPIO_PIN_CAM_REG_EN 5 -#define U300_GPIO_PIN_GPIO06 6 /* Unrouted */ -#define U300_GPIO_PIN_GPIO07 7 /* Unrouted */ - -#define U300_GPIO_PIN_GPIO08 8 /* Service point SP2321 */ -#define U300_GPIO_PIN_GPIO09 9 /* Service point SP2322 */ -#define U300_GPIO_PIN_PHFSENSE 10 /* Headphone jack sensing */ -#define U300_GPIO_PIN_MMC_CLKRET 11 /* Clock return from MMC/SD card */ -#define U300_GPIO_PIN_MMC_CD 12 /* MMC Card insertion detection */ -#define U300_GPIO_PIN_FLIPSENSE 13 /* Mechanical flip sensing */ -#define U300_GPIO_PIN_GPIO14 14 /* DSP JTAG Port RTCK */ -#define U300_GPIO_PIN_GPIO15 15 /* Unrouted */ - -#define U300_GPIO_PIN_GPIO16 16 /* Unrouted */ -#define U300_GPIO_PIN_GPIO17 17 /* Unrouted */ -#define U300_GPIO_PIN_GPIO18 18 /* Unrouted */ -#define U300_GPIO_PIN_GPIO19 19 /* Unrouted */ -#define U300_GPIO_PIN_GPIO20 20 /* Unrouted */ -#define U300_GPIO_PIN_GPIO21 21 /* Unrouted */ -#define U300_GPIO_PIN_GPIO22 22 /* Unrouted */ -#define U300_GPIO_PIN_GPIO23 23 /* Unrouted */ -#endif - -/* - * Individual pin assignments for the B330/S330 and B365/S365. - * Notice that the actual usage of these pins depends on the - * PAD MUX settings, that is why the same number can potentially - * appear several times. In the reference design each pin is only - * used for one purpose. These were determined by inspecting the - * S365 schematic. - */ -#if defined(CONFIG_MACH_U300_BS330) || defined(CONFIG_MACH_U300_BS365) || \ - defined(CONFIG_MACH_U300_BS335) -#define U300_GPIO_PIN_UART_RX 0 -#define U300_GPIO_PIN_UART_TX 1 -#define U300_GPIO_PIN_UART_CTS 2 -#define U300_GPIO_PIN_UART_RTS 3 -#define U300_GPIO_PIN_CAM_MAIN_STANDBY 4 /* Camera MAIN standby */ -#define U300_GPIO_PIN_GPIO05 5 /* Unrouted */ -#define U300_GPIO_PIN_MS_CD 6 /* Memory Stick Card insertion */ -#define U300_GPIO_PIN_GPIO07 7 /* Test point TP2430 */ - -#define U300_GPIO_PIN_GPIO08 8 /* Test point TP2437 */ -#define U300_GPIO_PIN_GPIO09 9 /* Test point TP2431 */ -#define U300_GPIO_PIN_GPIO10 10 /* Test point TP2432 */ -#define U300_GPIO_PIN_MMC_CLKRET 11 /* Clock return from MMC/SD card */ -#define U300_GPIO_PIN_MMC_CD 12 /* MMC Card insertion detection */ -#define U300_GPIO_PIN_CAM_SUB_STANDBY 13 /* Camera SUB standby */ -#define U300_GPIO_PIN_GPIO14 14 /* Test point TP2436 */ -#define U300_GPIO_PIN_GPIO15 15 /* Unrouted */ - -#define U300_GPIO_PIN_GPIO16 16 /* Test point TP2438 */ -#define U300_GPIO_PIN_PHFSENSE 17 /* Headphone jack sensing */ -#define U300_GPIO_PIN_GPIO18 18 /* Test point TP2439 */ -#define U300_GPIO_PIN_GPIO19 19 /* Routed somewhere */ -#define U300_GPIO_PIN_GPIO20 20 /* Unrouted */ -#define U300_GPIO_PIN_GPIO21 21 /* Unrouted */ -#define U300_GPIO_PIN_GPIO22 22 /* Unrouted */ -#define U300_GPIO_PIN_GPIO23 23 /* Unrouted */ - -#define U300_GPIO_PIN_GPIO24 24 /* Unrouted */ -#define U300_GPIO_PIN_GPIO25 25 /* Unrouted */ -#define U300_GPIO_PIN_GPIO26 26 /* Unrouted */ -#define U300_GPIO_PIN_GPIO27 27 /* Unrouted */ -#define U300_GPIO_PIN_GPIO28 28 /* Unrouted */ -#define U300_GPIO_PIN_GPIO29 29 /* Unrouted */ -#define U300_GPIO_PIN_GPIO30 30 /* Unrouted */ -#define U300_GPIO_PIN_GPIO31 31 /* Unrouted */ - -#define U300_GPIO_PIN_GPIO32 32 /* Unrouted */ -#define U300_GPIO_PIN_GPIO33 33 /* Unrouted */ -#define U300_GPIO_PIN_GPIO34 34 /* Unrouted */ -#define U300_GPIO_PIN_GPIO35 35 /* Unrouted */ -#define U300_GPIO_PIN_GPIO36 36 /* Unrouted */ -#define U300_GPIO_PIN_GPIO37 37 /* Unrouted */ -#define U300_GPIO_PIN_GPIO38 38 /* Unrouted */ -#define U300_GPIO_PIN_GPIO39 39 /* Unrouted */ - -#ifdef CONFIG_MACH_U300_BS335 - -#define U300_GPIO_PIN_GPIO40 40 /* Unrouted */ -#define U300_GPIO_PIN_GPIO41 41 /* Unrouted */ -#define U300_GPIO_PIN_GPIO42 42 /* Unrouted */ -#define U300_GPIO_PIN_GPIO43 43 /* Unrouted */ -#define U300_GPIO_PIN_GPIO44 44 /* Unrouted */ -#define U300_GPIO_PIN_GPIO45 45 /* Unrouted */ -#define U300_GPIO_PIN_GPIO46 46 /* Unrouted */ -#define U300_GPIO_PIN_GPIO47 47 /* Unrouted */ - -#define U300_GPIO_PIN_GPIO48 48 /* Unrouted */ -#define U300_GPIO_PIN_GPIO49 49 /* Unrouted */ -#define U300_GPIO_PIN_GPIO50 50 /* Unrouted */ -#define U300_GPIO_PIN_GPIO51 51 /* Unrouted */ -#define U300_GPIO_PIN_GPIO52 52 /* Unrouted */ -#define U300_GPIO_PIN_GPIO53 53 /* Unrouted */ -#define U300_GPIO_PIN_GPIO54 54 /* Unrouted */ -#define U300_GPIO_PIN_GPIO55 55 /* Unrouted */ -#endif - -#endif - -/* translates a pin number to a port number */ -#define PIN_TO_PORT(val) (val >> 3) - -/* These can be found in arch/arm/mach-u300/gpio.c */ -extern int gpio_is_valid(int number); -extern int gpio_request(unsigned gpio, const char *label); -extern void gpio_free(unsigned gpio); -extern int gpio_direction_input(unsigned gpio); -extern int gpio_direction_output(unsigned gpio, int value); -extern int gpio_register_callback(unsigned gpio, - int (*func)(void *arg), - void *); -extern int gpio_unregister_callback(unsigned gpio); -extern void enable_irq_on_gpio_pin(unsigned gpio, int edge); -extern void disable_irq_on_gpio_pin(unsigned gpio); -extern void gpio_pullup(unsigned gpio, int value); -extern int gpio_get_value(unsigned gpio); -extern void gpio_set_value(unsigned gpio, int value); - -#define gpio_get_value_cansleep gpio_get_value -#define gpio_set_value_cansleep gpio_set_value - -/* wrappers to sleep-enable the previous two functions */ -static inline unsigned gpio_to_irq(unsigned gpio) -{ - return PIN_TO_PORT(gpio) + IRQ_U300_GPIO_PORT0; -} - -static inline unsigned irq_to_gpio(unsigned irq) -{ - /* - * FIXME: This is no 1-1 mapping at all, it points to the - * whole block of 8 pins. - */ - return (irq - IRQ_U300_GPIO_PORT0) << 3; -} - -#endif +/* empty */ |