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140 lines
3.2 KiB
140 lines
3.2 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Support for Compaq iPAQ H3100 handheld computer |
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* |
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* Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks) |
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* Copyright (c) 2009 Dmitry Artamonow <[email protected]> |
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*/ |
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#include <linux/init.h> |
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#include <linux/kernel.h> |
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#include <linux/gpio.h> |
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#include <video/sa1100fb.h> |
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#include <asm/mach-types.h> |
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#include <asm/mach/arch.h> |
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#include <linux/platform_data/irda-sa11x0.h> |
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#include <mach/h3xxx.h> |
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#include <mach/irqs.h> |
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#include "generic.h" |
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/* |
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* helper for sa1100fb |
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*/ |
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static struct gpio h3100_lcd_gpio[] = { |
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{ H3100_GPIO_LCD_3V_ON, GPIOF_OUT_INIT_LOW, "LCD 3V" }, |
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{ H3XXX_EGPIO_LCD_ON, GPIOF_OUT_INIT_LOW, "LCD ON" }, |
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}; |
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static bool h3100_lcd_request(void) |
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{ |
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static bool h3100_lcd_ok; |
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int rc; |
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if (h3100_lcd_ok) |
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return true; |
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rc = gpio_request_array(h3100_lcd_gpio, ARRAY_SIZE(h3100_lcd_gpio)); |
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if (rc) |
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pr_err("%s: can't request GPIOs\n", __func__); |
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else |
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h3100_lcd_ok = true; |
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return h3100_lcd_ok; |
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} |
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static void h3100_lcd_power(int enable) |
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{ |
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if (!h3100_lcd_request()) |
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return; |
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gpio_set_value(H3100_GPIO_LCD_3V_ON, enable); |
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gpio_set_value(H3XXX_EGPIO_LCD_ON, enable); |
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} |
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static struct sa1100fb_mach_info h3100_lcd_info = { |
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.pixclock = 406977, .bpp = 4, |
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.xres = 320, .yres = 240, |
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.hsync_len = 26, .vsync_len = 41, |
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.left_margin = 4, .upper_margin = 0, |
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.right_margin = 4, .lower_margin = 0, |
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.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
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.cmap_greyscale = 1, |
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.cmap_inverse = 1, |
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.lccr0 = LCCR0_Mono | LCCR0_4PixMono | LCCR0_Sngl | LCCR0_Pas, |
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.lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), |
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.lcd_power = h3100_lcd_power, |
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}; |
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static void __init h3100_map_io(void) |
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{ |
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h3xxx_map_io(); |
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/* Older bootldrs put GPIO2-9 in alternate mode on the |
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assumption that they are used for video */ |
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GAFR &= ~0x000001fb; |
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} |
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/* |
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* This turns the IRDA power on or off on the Compaq H3100 |
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*/ |
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static struct gpio h3100_irda_gpio[] = { |
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{ H3100_GPIO_IR_ON, GPIOF_OUT_INIT_LOW, "IrDA power" }, |
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{ H3100_GPIO_IR_FSEL, GPIOF_OUT_INIT_LOW, "IrDA fsel" }, |
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}; |
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static int h3100_irda_set_power(struct device *dev, unsigned int state) |
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{ |
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gpio_set_value(H3100_GPIO_IR_ON, state); |
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return 0; |
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} |
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static void h3100_irda_set_speed(struct device *dev, unsigned int speed) |
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{ |
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gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000)); |
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} |
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static int h3100_irda_startup(struct device *dev) |
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{ |
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return gpio_request_array(h3100_irda_gpio, sizeof(h3100_irda_gpio)); |
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} |
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static void h3100_irda_shutdown(struct device *dev) |
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{ |
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return gpio_free_array(h3100_irda_gpio, sizeof(h3100_irda_gpio)); |
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} |
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static struct irda_platform_data h3100_irda_data = { |
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.set_power = h3100_irda_set_power, |
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.set_speed = h3100_irda_set_speed, |
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.startup = h3100_irda_startup, |
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.shutdown = h3100_irda_shutdown, |
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}; |
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static void __init h3100_mach_init(void) |
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{ |
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h3xxx_mach_init(); |
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sa11x0_register_pcmcia(-1, NULL); |
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sa11x0_register_lcd(&h3100_lcd_info); |
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sa11x0_register_irda(&h3100_irda_data); |
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} |
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MACHINE_START(H3100, "Compaq iPAQ H3100") |
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.atag_offset = 0x100, |
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.map_io = h3100_map_io, |
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.nr_irqs = SA1100_NR_IRQS, |
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.init_irq = sa1100_init_irq, |
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.init_time = sa1100_timer_init, |
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.init_machine = h3100_mach_init, |
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.init_late = sa11x0_init_late, |
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.restart = sa11x0_restart, |
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MACHINE_END |
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