bool "Amstrad E3 (Delta)"
depends on ARCH_OMAP1 && ARCH_OMAP15XX
select FIQ
+ select GPIO_GENERIC_PLATFORM
+ select LEDS_GPIO_REGISTER
help
Support for the Amstrad E3 (codename Delta) videophone. Say Y here
if you have such a device.
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+#include <linux/basic_mmio_gpio.h>
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <mach/ams-delta-fiq.h>
-static u8 ams_delta_latch1_reg;
-static u16 ams_delta_latch2_reg;
-
static const unsigned int ams_delta_keymap[] = {
KEY(0, 0, KEY_F1), /* Advert */
KEY(7, 3, KEY_LEFTCTRL), /* Vol down */
};
-void ams_delta_latch1_write(u8 mask, u8 value)
-{
- ams_delta_latch1_reg &= ~mask;
- ams_delta_latch1_reg |= value;
- *(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
-}
-
-void ams_delta_latch2_write(u16 mask, u16 value)
-{
- ams_delta_latch2_reg &= ~mask;
- ams_delta_latch2_reg |= value;
- *(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
-}
+#define LATCH1_PHYS 0x01000000
+#define LATCH1_VIRT 0xEA000000
+#define MODEM_PHYS 0x04000000
+#define MODEM_VIRT 0xEB000000
+#define LATCH2_PHYS 0x08000000
+#define LATCH2_VIRT 0xEC000000
static struct map_desc ams_delta_io_desc[] __initdata = {
/* AMS_DELTA_LATCH1 */
{
- .virtual = AMS_DELTA_LATCH1_VIRT,
- .pfn = __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
+ .virtual = LATCH1_VIRT,
+ .pfn = __phys_to_pfn(LATCH1_PHYS),
.length = 0x01000000,
.type = MT_DEVICE
},
/* AMS_DELTA_LATCH2 */
{
- .virtual = AMS_DELTA_LATCH2_VIRT,
- .pfn = __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
+ .virtual = LATCH2_VIRT,
+ .pfn = __phys_to_pfn(LATCH2_PHYS),
.length = 0x01000000,
.type = MT_DEVICE
},
/* AMS_DELTA_MODEM */
{
- .virtual = AMS_DELTA_MODEM_VIRT,
- .pfn = __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
+ .virtual = MODEM_VIRT,
+ .pfn = __phys_to_pfn(MODEM_PHYS),
.length = 0x01000000,
.type = MT_DEVICE
}
{ OMAP_TAG_LCD, &ams_delta_lcd_config },
};
+#define LATCH1_GPIO_BASE 232
+#define LATCH1_NGPIO 8
+
+static struct resource latch1_resources[] __initconst = {
+ [0] = {
+ .name = "dat",
+ .start = LATCH1_PHYS,
+ .end = LATCH1_PHYS + (LATCH1_NGPIO - 1) / 8,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct bgpio_pdata latch1_pdata __initconst = {
+ .base = LATCH1_GPIO_BASE,
+ .ngpio = LATCH1_NGPIO,
+};
+
+static struct platform_device latch1_gpio_device = {
+ .name = "basic-mmio-gpio",
+ .id = 0,
+ .resource = latch1_resources,
+ .num_resources = ARRAY_SIZE(latch1_resources),
+ .dev = {
+ .platform_data = &latch1_pdata,
+ },
+};
+
+static struct resource latch2_resources[] __initconst = {
+ [0] = {
+ .name = "dat",
+ .start = LATCH2_PHYS,
+ .end = LATCH2_PHYS + (AMS_DELTA_LATCH2_NGPIO - 1) / 8,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct bgpio_pdata latch2_pdata __initconst = {
+ .base = AMS_DELTA_LATCH2_GPIO_BASE,
+ .ngpio = AMS_DELTA_LATCH2_NGPIO,
+};
+
+static struct platform_device latch2_gpio_device = {
+ .name = "basic-mmio-gpio",
+ .id = 1,
+ .resource = latch2_resources,
+ .num_resources = ARRAY_SIZE(latch2_resources),
+ .dev = {
+ .platform_data = &latch2_pdata,
+ },
+};
+
+static struct gpio latch_gpios[] __initconst = {
+ {
+ .gpio = LATCH1_GPIO_BASE + 6,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "dockit1",
+ },
+ {
+ .gpio = LATCH1_GPIO_BASE + 7,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "dockit2",
+ },
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_SCARD_RSTIN,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "scard_rstin",
+ },
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "scard_cmdvcc",
+ },
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_MODEM_NRESET,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "modem_nreset",
+ },
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_MODEM_CODEC,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "modem_codec",
+ },
+ {
+ .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 14,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "hookflash1",
+ },
+ {
+ .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 15,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "hookflash2",
+ },
+};
+
+void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value)
+{
+ int bit = 0;
+ u16 bitpos = 1 << bit;
+
+ for (; bit < ngpio; bit++, bitpos = bitpos << 1) {
+ if (!(mask & bitpos))
+ continue;
+ gpio_set_value(base + bit, (value & bitpos) != 0);
+ }
+}
+EXPORT_SYMBOL(ams_delta_latch_write);
+
static struct resource ams_delta_nand_resources[] = {
[0] = {
.start = OMAP1_MPUIO_BASE,
.id = -1,
};
-static struct platform_device ams_delta_led_device = {
- .name = "ams-delta-led",
- .id = -1
+static struct gpio_led gpio_leds[] __initconst = {
+ {
+ .name = "camera",
+ .gpio = LATCH1_GPIO_BASE + 0,
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+#ifdef CONFIG_LEDS_TRIGGERS
+ .default_trigger = "ams_delta_camera",
+#endif
+ },
+ {
+ .name = "advert",
+ .gpio = LATCH1_GPIO_BASE + 1,
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ {
+ .name = "email",
+ .gpio = LATCH1_GPIO_BASE + 2,
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ {
+ .name = "handsfree",
+ .gpio = LATCH1_GPIO_BASE + 3,
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ {
+ .name = "voicemail",
+ .gpio = LATCH1_GPIO_BASE + 4,
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ {
+ .name = "voice",
+ .gpio = LATCH1_GPIO_BASE + 5,
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+};
+
+static struct gpio_led_platform_data leds_pdata __initconst = {
+ .leds = gpio_leds,
+ .num_leds = ARRAY_SIZE(gpio_leds),
};
static struct i2c_board_info ams_delta_camera_board_info[] = {
};
static struct platform_device *ams_delta_devices[] __initdata = {
- &ams_delta_nand_device,
+ &latch1_gpio_device,
+ &latch2_gpio_device,
&ams_delta_kp_device,
- &ams_delta_lcd_device,
- &ams_delta_led_device,
&ams_delta_camera_device,
};
+static struct platform_device *late_devices[] __initconst = {
+ &ams_delta_nand_device,
+ &ams_delta_lcd_device,
+};
+
static void __init ams_delta_init(void)
{
/* mux pins for uarts */
omap_serial_init();
omap_register_i2c_bus(1, 100, NULL, 0);
- /* Clear latch2 (NAND, LCD, modem enable) */
- ams_delta_latch2_write(~0, 0);
-
omap1_usb_init(&ams_delta_usb_config);
omap1_set_camera_info(&ams_delta_camera_platform_data);
#ifdef CONFIG_LEDS_TRIGGERS
led_trigger_register_simple("ams_delta_camera",
&ams_delta_camera_led_trigger);
#endif
+ gpio_led_register_device(-1, &leds_pdata);
platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
ams_delta_init_fiq();
static struct plat_serial8250_port ams_delta_modem_ports[] = {
{
- .membase = IOMEM(AMS_DELTA_MODEM_VIRT),
- .mapbase = AMS_DELTA_MODEM_PHYS,
+ .membase = IOMEM(MODEM_VIRT),
+ .mapbase = MODEM_PHYS,
.irq = -EINVAL, /* changed later */
.flags = UPF_BOOT_AUTOCONF,
.irqflags = IRQF_TRIGGER_RISING,
},
};
-static int __init ams_delta_modem_init(void)
+static int __init late_init(void)
{
int err;
if (!machine_is_ams_delta())
return -ENODEV;
+ err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios));
+ if (err) {
+ pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
+ return err;
+ }
+
+ platform_add_devices(late_devices, ARRAY_SIZE(late_devices));
+
omap_cfg_reg(M14_1510_GPIO2);
ams_delta_modem_ports[0].irq =
gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
- return platform_device_register(&ams_delta_modem_device);
+ err = platform_device_register(&ams_delta_modem_device);
+ if (err)
+ goto gpio_free;
+ return 0;
+
+gpio_free:
+ gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
+ return err;
}
-arch_initcall(ams_delta_modem_init);
+late_initcall(late_init);
static void __init ams_delta_map_io(void)
{
.timer = &omap1_timer,
.restart = omap1_restart,
MACHINE_END
-
-EXPORT_SYMBOL(ams_delta_latch1_write);
-EXPORT_SYMBOL(ams_delta_latch2_write);
#if defined (CONFIG_MACH_AMS_DELTA)
-#define AMS_DELTA_LATCH1_PHYS 0x01000000
-#define AMS_DELTA_LATCH1_VIRT 0xEA000000
-#define AMS_DELTA_MODEM_PHYS 0x04000000
-#define AMS_DELTA_MODEM_VIRT 0xEB000000
-#define AMS_DELTA_LATCH2_PHYS 0x08000000
-#define AMS_DELTA_LATCH2_VIRT 0xEC000000
-
-#define AMS_DELTA_LATCH1_LED_CAMERA 0x01
-#define AMS_DELTA_LATCH1_LED_ADVERT 0x02
-#define AMS_DELTA_LATCH1_LED_EMAIL 0x04
-#define AMS_DELTA_LATCH1_LED_HANDSFREE 0x08
-#define AMS_DELTA_LATCH1_LED_VOICEMAIL 0x10
-#define AMS_DELTA_LATCH1_LED_VOICE 0x20
-
-#define AMS_DELTA_LATCH2_LCD_VBLEN 0x0001
-#define AMS_DELTA_LATCH2_LCD_NDISP 0x0002
-#define AMS_DELTA_LATCH2_NAND_NCE 0x0004
-#define AMS_DELTA_LATCH2_NAND_NRE 0x0008
-#define AMS_DELTA_LATCH2_NAND_NWP 0x0010
-#define AMS_DELTA_LATCH2_NAND_NWE 0x0020
-#define AMS_DELTA_LATCH2_NAND_ALE 0x0040
-#define AMS_DELTA_LATCH2_NAND_CLE 0x0080
-#define AMD_DELTA_LATCH2_KEYBRD_PWR 0x0100
-#define AMD_DELTA_LATCH2_KEYBRD_DATA 0x0200
#define AMD_DELTA_LATCH2_SCARD_RSTIN 0x0400
#define AMD_DELTA_LATCH2_SCARD_CMDVCC 0x0800
#define AMS_DELTA_LATCH2_MODEM_NRESET 0x1000
#define AMS_DELTA_GPIO_PIN_CONFIG 11
#define AMS_DELTA_GPIO_PIN_NAND_RB 12
+#define AMS_DELTA_GPIO_PIN_LCD_VBLEN 240
+#define AMS_DELTA_GPIO_PIN_LCD_NDISP 241
+#define AMS_DELTA_GPIO_PIN_NAND_NCE 242
+#define AMS_DELTA_GPIO_PIN_NAND_NRE 243
+#define AMS_DELTA_GPIO_PIN_NAND_NWP 244
+#define AMS_DELTA_GPIO_PIN_NAND_NWE 245
+#define AMS_DELTA_GPIO_PIN_NAND_ALE 246
+#define AMS_DELTA_GPIO_PIN_NAND_CLE 247
+#define AMS_DELTA_GPIO_PIN_KEYBRD_PWR 248
+#define AMS_DELTA_GPIO_PIN_KEYBRD_DATAOUT 249
+#define AMS_DELTA_GPIO_PIN_SCARD_RSTIN 250
+#define AMS_DELTA_GPIO_PIN_SCARD_CMDVCC 251
+#define AMS_DELTA_GPIO_PIN_MODEM_NRESET 252
+#define AMS_DELTA_GPIO_PIN_MODEM_CODEC 253
+
+#define AMS_DELTA_LATCH2_GPIO_BASE AMS_DELTA_GPIO_PIN_LCD_VBLEN
+#define AMS_DELTA_LATCH2_NGPIO 16
+
#ifndef __ASSEMBLY__
-void ams_delta_latch1_write(u8 mask, u8 value);
-void ams_delta_latch2_write(u16 mask, u16 value);
+void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value);
+#define ams_delta_latch2_write(mask, value) \
+ ams_delta_latch_write(AMS_DELTA_LATCH2_GPIO_BASE, \
+ AMS_DELTA_LATCH2_NGPIO, (mask), (value))
#endif
#endif /* CONFIG_MACH_AMS_DELTA */
static int ams_delta_serio_open(struct serio *serio)
{
/* enable keyboard */
- ams_delta_latch2_write(AMD_DELTA_LATCH2_KEYBRD_PWR,
- AMD_DELTA_LATCH2_KEYBRD_PWR);
+ gpio_set_value(AMS_DELTA_GPIO_PIN_KEYBRD_PWR, 1);
return 0;
}
static void ams_delta_serio_close(struct serio *serio)
{
/* disable keyboard */
- ams_delta_latch2_write(AMD_DELTA_LATCH2_KEYBRD_PWR, 0);
+ gpio_set_value(AMS_DELTA_GPIO_PIN_KEYBRD_PWR, 0);
}
+static struct gpio ams_delta_gpios[] __initconst_or_module = {
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_KEYBRD_DATA,
+ .flags = GPIOF_DIR_IN,
+ .label = "serio-data",
+ },
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_KEYBRD_CLK,
+ .flags = GPIOF_DIR_IN,
+ .label = "serio-clock",
+ },
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_KEYBRD_PWR,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "serio-power",
+ },
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_KEYBRD_DATAOUT,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "serio-dataout",
+ },
+};
+
static int __init ams_delta_serio_init(void)
{
int err;
strlcpy(ams_delta_serio->phys, "GPIO/serio0",
sizeof(ams_delta_serio->phys));
- err = gpio_request(AMS_DELTA_GPIO_PIN_KEYBRD_DATA, "serio-data");
+ err = gpio_request_array(ams_delta_gpios,
+ ARRAY_SIZE(ams_delta_gpios));
if (err) {
- pr_err("ams_delta_serio: Couldn't request gpio pin for data\n");
+ pr_err("ams_delta_serio: Couldn't request gpio pins\n");
goto serio;
}
- gpio_direction_input(AMS_DELTA_GPIO_PIN_KEYBRD_DATA);
-
- err = gpio_request(AMS_DELTA_GPIO_PIN_KEYBRD_CLK, "serio-clock");
- if (err) {
- pr_err("ams_delta_serio: couldn't request gpio pin for clock\n");
- goto gpio_data;
- }
- gpio_direction_input(AMS_DELTA_GPIO_PIN_KEYBRD_CLK);
err = request_irq(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK),
ams_delta_serio_interrupt, IRQ_TYPE_EDGE_RISING,
if (err < 0) {
pr_err("ams_delta_serio: couldn't request gpio interrupt %d\n",
gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK));
- goto gpio_clk;
+ goto gpio;
}
/*
* Since GPIO register handling for keyboard clock pin is performed
dev_info(&ams_delta_serio->dev, "%s\n", ams_delta_serio->name);
return 0;
-gpio_clk:
- gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_CLK);
-gpio_data:
- gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_DATA);
+gpio:
+ gpio_free_array(ams_delta_gpios,
+ ARRAY_SIZE(ams_delta_gpios));
serio:
kfree(ams_delta_serio);
return err;
{
serio_unregister_port(ams_delta_serio);
free_irq(OMAP_GPIO_IRQ(AMS_DELTA_GPIO_PIN_KEYBRD_CLK), 0);
- gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_CLK);
- gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_DATA);
+ gpio_free_array(ams_delta_gpios,
+ ARRAY_SIZE(ams_delta_gpios));
}
module_exit(ams_delta_serio_exit);
This option enables support for LEDs connected to GPIO lines
on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
-config LEDS_AMS_DELTA
- tristate "LED Support for the Amstrad Delta (E3)"
- depends on LEDS_CLASS
- depends on MACH_AMS_DELTA
- help
- This option enables support for the LEDs on Amstrad Delta (E3).
-
config LEDS_NET48XX
tristate "LED Support for Soekris net48xx series Error LED"
depends on LEDS_CLASS
obj-$(CONFIG_LEDS_LM3530) += leds-lm3530.o
obj-$(CONFIG_LEDS_MIKROTIK_RB532) += leds-rb532.o
obj-$(CONFIG_LEDS_S3C24XX) += leds-s3c24xx.o
-obj-$(CONFIG_LEDS_AMS_DELTA) += leds-ams-delta.o
obj-$(CONFIG_LEDS_NET48XX) += leds-net48xx.o
obj-$(CONFIG_LEDS_NET5501) += leds-net5501.o
obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o
+++ /dev/null
-/*
- * LEDs driver for Amstrad Delta (E3)
- *
- * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/leds.h>
-#include <plat/board-ams-delta.h>
-
-/*
- * Our context
- */
-struct ams_delta_led {
- struct led_classdev cdev;
- u8 bitmask;
-};
-
-static void ams_delta_led_set(struct led_classdev *led_cdev,
- enum led_brightness value)
-{
- struct ams_delta_led *led_dev =
- container_of(led_cdev, struct ams_delta_led, cdev);
-
- if (value)
- ams_delta_latch1_write(led_dev->bitmask, led_dev->bitmask);
- else
- ams_delta_latch1_write(led_dev->bitmask, 0);
-}
-
-static struct ams_delta_led ams_delta_leds[] = {
- {
- .cdev = {
- .name = "ams-delta::camera",
- .brightness_set = ams_delta_led_set,
- },
- .bitmask = AMS_DELTA_LATCH1_LED_CAMERA,
- },
- {
- .cdev = {
- .name = "ams-delta::advert",
- .brightness_set = ams_delta_led_set,
- },
- .bitmask = AMS_DELTA_LATCH1_LED_ADVERT,
- },
- {
- .cdev = {
- .name = "ams-delta::email",
- .brightness_set = ams_delta_led_set,
- },
- .bitmask = AMS_DELTA_LATCH1_LED_EMAIL,
- },
- {
- .cdev = {
- .name = "ams-delta::handsfree",
- .brightness_set = ams_delta_led_set,
- },
- .bitmask = AMS_DELTA_LATCH1_LED_HANDSFREE,
- },
- {
- .cdev = {
- .name = "ams-delta::voicemail",
- .brightness_set = ams_delta_led_set,
- },
- .bitmask = AMS_DELTA_LATCH1_LED_VOICEMAIL,
- },
- {
- .cdev = {
- .name = "ams-delta::voice",
- .brightness_set = ams_delta_led_set,
- },
- .bitmask = AMS_DELTA_LATCH1_LED_VOICE,
- },
-};
-
-static int ams_delta_led_probe(struct platform_device *pdev)
-{
- int i, ret;
-
- for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++) {
- ams_delta_leds[i].cdev.flags |= LED_CORE_SUSPENDRESUME;
- ret = led_classdev_register(&pdev->dev,
- &ams_delta_leds[i].cdev);
- if (ret < 0)
- goto fail;
- }
-
- return 0;
-fail:
- while (--i >= 0)
- led_classdev_unregister(&ams_delta_leds[i].cdev);
- return ret;
-}
-
-static int ams_delta_led_remove(struct platform_device *pdev)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++)
- led_classdev_unregister(&ams_delta_leds[i].cdev);
-
- return 0;
-}
-
-static struct platform_driver ams_delta_led_driver = {
- .probe = ams_delta_led_probe,
- .remove = ams_delta_led_remove,
- .driver = {
- .name = "ams-delta-led",
- .owner = THIS_MODULE,
- },
-};
-
-module_platform_driver(ams_delta_led_driver);
-
-MODULE_AUTHOR("Jonathan McDowell <noodles@earth.li>");
-MODULE_DESCRIPTION("Amstrad Delta LED driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:ams-delta-led");
#include <asm/io.h>
#include <mach/hardware.h>
#include <asm/sizes.h>
-#include <asm/gpio.h>
+#include <linux/gpio.h>
#include <plat/board-ams-delta.h>
/*
*/
static struct mtd_info *ams_delta_mtd = NULL;
-#define NAND_MASK (AMS_DELTA_LATCH2_NAND_NRE | AMS_DELTA_LATCH2_NAND_NWE | AMS_DELTA_LATCH2_NAND_CLE | AMS_DELTA_LATCH2_NAND_ALE | AMS_DELTA_LATCH2_NAND_NCE | AMS_DELTA_LATCH2_NAND_NWP)
-
/*
* Define partitions for flash devices
*/
writew(0, io_base + OMAP_MPUIO_IO_CNTL);
writew(byte, this->IO_ADDR_W);
- ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NWE, 0);
+ gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_NWE, 0);
ndelay(40);
- ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NWE,
- AMS_DELTA_LATCH2_NAND_NWE);
+ gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_NWE, 1);
}
static u_char ams_delta_read_byte(struct mtd_info *mtd)
struct nand_chip *this = mtd->priv;
void __iomem *io_base = this->priv;
- ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NRE, 0);
+ gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_NRE, 0);
ndelay(40);
writew(~0, io_base + OMAP_MPUIO_IO_CNTL);
res = readw(this->IO_ADDR_R);
- ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NRE,
- AMS_DELTA_LATCH2_NAND_NRE);
+ gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_NRE, 1);
return res;
}
{
if (ctrl & NAND_CTRL_CHANGE) {
- unsigned long bits;
-
- bits = (~ctrl & NAND_NCE) ? AMS_DELTA_LATCH2_NAND_NCE : 0;
- bits |= (ctrl & NAND_CLE) ? AMS_DELTA_LATCH2_NAND_CLE : 0;
- bits |= (ctrl & NAND_ALE) ? AMS_DELTA_LATCH2_NAND_ALE : 0;
-
- ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_CLE |
- AMS_DELTA_LATCH2_NAND_ALE |
- AMS_DELTA_LATCH2_NAND_NCE, bits);
+ gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_NCE,
+ (ctrl & NAND_NCE) == 0);
+ gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_CLE,
+ (ctrl & NAND_CLE) != 0);
+ gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_ALE,
+ (ctrl & NAND_ALE) != 0);
}
if (cmd != NAND_CMD_NONE)
return gpio_get_value(AMS_DELTA_GPIO_PIN_NAND_RB);
}
+static struct gpio _mandatory_gpio[] __initconst_or_module = {
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_NAND_NCE,
+ .flags = GPIOF_OUT_INIT_HIGH,
+ .label = "nand_nce",
+ },
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_NAND_NRE,
+ .flags = GPIOF_OUT_INIT_HIGH,
+ .label = "nand_nre",
+ },
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_NAND_NWP,
+ .flags = GPIOF_OUT_INIT_HIGH,
+ .label = "nand_nwp",
+ },
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_NAND_NWE,
+ .flags = GPIOF_OUT_INIT_HIGH,
+ .label = "nand_nwe",
+ },
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_NAND_ALE,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "nand_ale",
+ },
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_NAND_CLE,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "nand_cle",
+ },
+};
+
/*
* Main initialization routine
*/
platform_set_drvdata(pdev, io_base);
/* Set chip enabled, but */
- ams_delta_latch2_write(NAND_MASK, AMS_DELTA_LATCH2_NAND_NRE |
- AMS_DELTA_LATCH2_NAND_NWE |
- AMS_DELTA_LATCH2_NAND_NCE |
- AMS_DELTA_LATCH2_NAND_NWP);
+ err = gpio_request_array(_mandatory_gpio, ARRAY_SIZE(_mandatory_gpio));
+ if (err)
+ goto out_gpio;
/* Scan to find existence of the device */
if (nand_scan(ams_delta_mtd, 1)) {
goto out;
out_mtd:
+ gpio_free_array(_mandatory_gpio, ARRAY_SIZE(_mandatory_gpio));
+out_gpio:
platform_set_drvdata(pdev, NULL);
+ gpio_free(AMS_DELTA_GPIO_PIN_NAND_RB);
iounmap(io_base);
out_release_io:
release_mem_region(res->start, resource_size(res));
/* Release resources, unregister device */
nand_release(ams_delta_mtd);
+ gpio_free_array(_mandatory_gpio, ARRAY_SIZE(_mandatory_gpio));
+ gpio_free(AMS_DELTA_GPIO_PIN_NAND_RB);
iounmap(io_base);
release_mem_region(res->start, resource_size(res));
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/lcd.h>
+#include <linux/gpio.h>
#include <plat/board-ams-delta.h>
#include <mach/hardware.h>
/* omapfb panel section */
+static struct gpio _gpios[] __initconst_or_module = {
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_LCD_VBLEN,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "lcd_vblen",
+ },
+ {
+ .gpio = AMS_DELTA_GPIO_PIN_LCD_NDISP,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "lcd_ndisp",
+ },
+};
+
static int ams_delta_panel_init(struct lcd_panel *panel,
struct omapfb_device *fbdev)
{
- return 0;
+ return gpio_request_array(_gpios, ARRAY_SIZE(_gpios));
}
static void ams_delta_panel_cleanup(struct lcd_panel *panel)
{
+ gpio_free_array(_gpios, ARRAY_SIZE(_gpios));
}
static int ams_delta_panel_enable(struct lcd_panel *panel)
{
- ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP,
- AMS_DELTA_LATCH2_LCD_NDISP);
- ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN,
- AMS_DELTA_LATCH2_LCD_VBLEN);
+ gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_NDISP, 1);
+ gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_VBLEN, 1);
return 0;
}
static void ams_delta_panel_disable(struct lcd_panel *panel)
{
- ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN, 0);
- ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP, 0);
+ gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_VBLEN, 0);
+ gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_NDISP, 0);
}
static unsigned long ams_delta_panel_get_caps(struct lcd_panel *panel)
platform_device_put(ams_delta_audio_platform_device);
return ret;
}
-module_init(ams_delta_module_init);
+late_initcall(ams_delta_module_init);
static void __exit ams_delta_module_exit(void)
{
projects / linux-2.6-block.git / commitdiff