| /* |
| * Support for Compaq iPAQ H3100 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 <video/sa1100fb.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <linux/platform_data/irda-sa11x0.h> |
| |
| #include <mach/h3xxx.h> |
| #include <mach/irqs.h> |
| |
| #include "generic.h" |
| |
| /* |
| * helper for sa1100fb |
| */ |
| static struct gpio h3100_lcd_gpio[] = { |
| { H3100_GPIO_LCD_3V_ON, GPIOF_OUT_INIT_LOW, "LCD 3V" }, |
| { H3XXX_EGPIO_LCD_ON, GPIOF_OUT_INIT_LOW, "LCD ON" }, |
| }; |
| |
| static bool h3100_lcd_request(void) |
| { |
| static bool h3100_lcd_ok; |
| int rc; |
| |
| if (h3100_lcd_ok) |
| return true; |
| |
| rc = gpio_request_array(h3100_lcd_gpio, ARRAY_SIZE(h3100_lcd_gpio)); |
| if (rc) |
| pr_err("%s: can't request GPIOs\n", __func__); |
| else |
| h3100_lcd_ok = true; |
| |
| return h3100_lcd_ok; |
| } |
| |
| static void h3100_lcd_power(int enable) |
| { |
| if (!h3100_lcd_request()) |
| return; |
| |
| gpio_set_value(H3100_GPIO_LCD_3V_ON, enable); |
| gpio_set_value(H3XXX_EGPIO_LCD_ON, enable); |
| } |
| |
| static struct sa1100fb_mach_info h3100_lcd_info = { |
| .pixclock = 406977, .bpp = 4, |
| .xres = 320, .yres = 240, |
| |
| .hsync_len = 26, .vsync_len = 41, |
| .left_margin = 4, .upper_margin = 0, |
| .right_margin = 4, .lower_margin = 0, |
| |
| .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
| .cmap_greyscale = 1, |
| .cmap_inverse = 1, |
| |
| .lccr0 = LCCR0_Mono | LCCR0_4PixMono | LCCR0_Sngl | LCCR0_Pas, |
| .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), |
| |
| .lcd_power = h3100_lcd_power, |
| }; |
| |
| static void __init h3100_map_io(void) |
| { |
| h3xxx_map_io(); |
| |
| /* Older bootldrs put GPIO2-9 in alternate mode on the |
| assumption that they are used for video */ |
| GAFR &= ~0x000001fb; |
| } |
| |
| /* |
| * This turns the IRDA power on or off on the Compaq H3100 |
| */ |
| static struct gpio h3100_irda_gpio[] = { |
| { H3100_GPIO_IR_ON, GPIOF_OUT_INIT_LOW, "IrDA power" }, |
| { H3100_GPIO_IR_FSEL, GPIOF_OUT_INIT_LOW, "IrDA fsel" }, |
| }; |
| |
| static int h3100_irda_set_power(struct device *dev, unsigned int state) |
| { |
| gpio_set_value(H3100_GPIO_IR_ON, state); |
| return 0; |
| } |
| |
| static void h3100_irda_set_speed(struct device *dev, unsigned int speed) |
| { |
| gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000)); |
| } |
| |
| static int h3100_irda_startup(struct device *dev) |
| { |
| return gpio_request_array(h3100_irda_gpio, sizeof(h3100_irda_gpio)); |
| } |
| |
| static void h3100_irda_shutdown(struct device *dev) |
| { |
| return gpio_free_array(h3100_irda_gpio, sizeof(h3100_irda_gpio)); |
| } |
| |
| static struct irda_platform_data h3100_irda_data = { |
| .set_power = h3100_irda_set_power, |
| .set_speed = h3100_irda_set_speed, |
| .startup = h3100_irda_startup, |
| .shutdown = h3100_irda_shutdown, |
| }; |
| |
| static void __init h3100_mach_init(void) |
| { |
| h3xxx_mach_init(); |
| |
| sa11x0_register_lcd(&h3100_lcd_info); |
| sa11x0_register_irda(&h3100_irda_data); |
| } |
| |
| MACHINE_START(H3100, "Compaq iPAQ H3100") |
| .atag_offset = 0x100, |
| .map_io = h3100_map_io, |
| .nr_irqs = SA1100_NR_IRQS, |
| .init_irq = sa1100_init_irq, |
| .init_time = sa1100_timer_init, |
| .init_machine = h3100_mach_init, |
| .init_late = sa11x0_init_late, |
| .restart = sa11x0_restart, |
| MACHINE_END |
| |