| /* |
| * 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") |
| .atag_offset = 0x100, |
| .map_io = h3600_map_io, |
| .init_irq = sa1100_init_irq, |
| .timer = &sa1100_timer, |
| .init_machine = h3600_mach_init, |
| .restart = sa11x0_restart, |
| MACHINE_END |
| |