diff options
Diffstat (limited to 'arch/arm/mach-sa1100/h3600.c')
| -rw-r--r-- | arch/arm/mach-sa1100/h3600.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c new file mode 100644 index 00000000..965f64a8 --- /dev/null +++ b/arch/arm/mach-sa1100/h3600.c @@ -0,0 +1,134 @@ +/* + * Support for Compaq iPAQ H3600 handheld computer + * + * Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks) + * Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru> + * + * 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/init.h> +#include <linux/kernel.h> +#include <linux/gpio.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/irda.h> + +#include <mach/h3xxx.h> + +#include "generic.h" + +/* + * helper for sa1100fb + */ +static void h3600_lcd_power(int enable) +{ + if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power")) { + pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__); + goto err1; + } + if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control")) { + pr_err("%s: can't request H3XXX_EGPIO_LCD_PCI\n", __func__); + goto err2; + } + if (gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v")) { + pr_err("%s: can't request H3XXX_EGPIO_LCD_5V_ON\n", __func__); + goto err3; + } + if (gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v")) { + pr_err("%s: can't request H3600_EGPIO_LVDD_ON\n", __func__); + goto err4; + } + + gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable); + gpio_direction_output(H3600_EGPIO_LCD_PCI, enable); + gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable); + gpio_direction_output(H3600_EGPIO_LVDD_ON, enable); + + gpio_free(H3600_EGPIO_LVDD_ON); +err4: gpio_free(H3600_EGPIO_LCD_5V_ON); +err3: gpio_free(H3600_EGPIO_LCD_PCI); +err2: gpio_free(H3XXX_EGPIO_LCD_ON); +err1: return; +} + +static void __init h3600_map_io(void) +{ + h3xxx_map_io(); + + sa1100fb_lcd_power = h3600_lcd_power; +} + +/* + * This turns the IRDA power on or off on the Compaq H3600 + */ +static int h3600_irda_set_power(struct device *dev, unsigned int state) +{ + gpio_set_value(H3600_EGPIO_IR_ON, state); + return 0; +} + +static void h3600_irda_set_speed(struct device *dev, unsigned int speed) +{ + gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000)); +} + +static int h3600_irda_startup(struct device *dev) +{ + int err = gpio_request(H3600_EGPIO_IR_ON, "IrDA power"); + if (err) + goto err1; + err = gpio_direction_output(H3600_EGPIO_IR_ON, 0); + if (err) + goto err2; + err = gpio_request(H3600_EGPIO_IR_FSEL, "IrDA fsel"); + if (err) + goto err2; + err = gpio_direction_output(H3600_EGPIO_IR_FSEL, 0); + if (err) + goto err3; + return 0; + +err3: gpio_free(H3600_EGPIO_IR_FSEL); +err2: gpio_free(H3600_EGPIO_IR_ON); +err1: return err; +} + +static void h3600_irda_shutdown(struct device *dev) +{ + gpio_free(H3600_EGPIO_IR_ON); + gpio_free(H3600_EGPIO_IR_FSEL); +} + +static struct irda_platform_data h3600_irda_data = { + .set_power = h3600_irda_set_power, + .set_speed = h3600_irda_set_speed, + .startup = h3600_irda_startup, + .shutdown = h3600_irda_shutdown, +}; + +static struct gpio_default_state h3600_default_gpio[] = { + { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" }, + { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" }, + { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" }, +}; + +static void __init h3600_mach_init(void) +{ + h3xxx_init_gpio(h3600_default_gpio, ARRAY_SIZE(h3600_default_gpio)); + h3xxx_mach_init(); + sa11x0_register_irda(&h3600_irda_data); +} + +MACHINE_START(H3600, "Compaq iPAQ H3600") + .boot_params = 0xc0000100, + .map_io = h3600_map_io, + .init_irq = sa1100_init_irq, + .timer = &sa1100_timer, + .init_machine = h3600_mach_init, +MACHINE_END + |