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Merge branch 'omap1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/boards

Browse Source 
* 'omap1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  input: serio: ams-delta: toggle keyboard power over GPIO
  omapfb: lcd_ams_delta: drive control lines over GPIO
  MTD: NAND: ams-delta: use GPIO instead of custom I/O
  LED: drop leds-ams-delta driver
  ARM: OMAP1: ams-delta: supersede custom led device by leds-gpio
  ARM: OMAP1: ams-delta: convert latches to basic_mmio_gpio
  ARM: OMAP1: ams-delta: register latch dependent devices later
This commit is contained in:
Arnd Bergmann 2012-02-29 21:05:03 +00:00
commit 235ecf4c59
10 changed files with 318 additions and 249 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mach-omap1/Kconfig
View File

@ -155,6 +155,8 @@ config MACH_AMS_DELTA
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.

226
arch/arm/mach-omap1/board-ams-delta.c
View File

@ -11,6 +11,7 @@
* 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>
@ -40,9 +41,6 @@
#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 */
@ -121,39 +119,32 @@ static const unsigned int ams_delta_keymap[] = {
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
}
@ -173,6 +164,113 @@ static struct omap_board_config_kernel ams_delta_config[] __initdata = {
{ 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,
@ -224,9 +322,45 @@ static struct platform_device ams_delta_lcd_device = {
.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[] = {
@ -275,13 +409,17 @@ static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
};
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 */
@ -307,15 +445,13 @@ static void __init ams_delta_init(void)
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();
@ -325,8 +461,8 @@ static void __init ams_delta_init(void)
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,
@ -345,13 +481,21 @@ static struct platform_device ams_delta_modem_device = {
},
};
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);
@ -367,9 +511,16 @@ static int __init ams_delta_modem_init(void)
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)
{
@ -388,6 +539,3 @@ MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
.timer = &omap1_timer,
.restart = omap1_restart,
MACHINE_END
EXPORT_SYMBOL(ams_delta_latch1_write);
EXPORT_SYMBOL(ams_delta_latch2_write);

48
arch/arm/plat-omap/include/plat/board-ams-delta.h
View File

@ -28,30 +28,6 @@
#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
@ -66,9 +42,29 @@
#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 */

54
drivers/input/serio/ams_delta_serio.c
View File

@ -92,8 +92,7 @@ static irqreturn_t ams_delta_serio_interrupt(int irq, void *dev_id)
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;
}
@ -101,9 +100,32 @@ static int ams_delta_serio_open(struct serio *serio)
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;
@ -123,19 +145,12 @@ static int __init ams_delta_serio_init(void)
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,
@ -143,7 +158,7 @@ static int __init ams_delta_serio_init(void)
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
@ -157,10 +172,9 @@ static int __init ams_delta_serio_init(void)
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;
@ -171,7 +185,7 @@ static void __exit ams_delta_serio_exit(void)
{
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);

7
drivers/leds/Kconfig
View File

@ -74,13 +74,6 @@ config LEDS_S3C24XX
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

1
drivers/leds/Makefile
View File

@ -12,7 +12,6 @@ obj-$(CONFIG_LEDS_LOCOMO) += leds-locomo.o
obj-$(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

126
drivers/leds/leds-ams-delta.c
View File

@ -1,126 +0,0 @@
/*
* 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");

74
drivers/mtd/nand/ams-delta.c
View File

@ -26,7 +26,7 @@
#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>
/*
@ -34,8 +34,6 @@
*/
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
*/
@ -68,10 +66,9 @@ static void ams_delta_write_byte(struct mtd_info *mtd, u_char byte)
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)
@ -80,12 +77,11 @@ 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;
}
@ -132,15 +128,12 @@ static void ams_delta_hwcontrol(struct mtd_info *mtd, int cmd,
{
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)
@ -152,6 +145,39 @@ static int ams_delta_nand_ready(struct mtd_info *mtd)
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
*/
@ -223,10 +249,9 @@ static int __devinit ams_delta_init(struct platform_device *pdev)
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)) {
@ -241,7 +266,10 @@ static int __devinit ams_delta_init(struct platform_device *pdev)
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));
@ -262,6 +290,8 @@ static int __devexit ams_delta_cleanup(struct platform_device *pdev)
/* 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));

27
drivers/video/omap/lcd_ams_delta.c
View File

@ -25,6 +25,7 @@
#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>
@ -98,29 +99,41 @@ static struct lcd_ops ams_delta_lcd_ops = {
/* 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)

2
sound/soc/omap/ams-delta.c
View File

@ -635,7 +635,7 @@ err:
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)
{