projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 86e5e38c | 1 | /* |
| 6e23fcb3 | 2 | * Support for Compaq iPAQ H3100 handheld computer |
| 86e5e38c | 3 | * |
| 6e23fcb3 DA |
4 | * Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks) |
| 5 | * Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru> | |
| 86e5e38c | 6 | * |
| 6e23fcb3 DA |
7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as | |
| 9 | * published by the Free Software Foundation. | |
| 86e5e38c DA |
10 | * |
| 11 | */ | |
| 6e23fcb3 | 12 | |
| 86e5e38c DA |
13 | #include <linux/init.h> |
| 14 | #include <linux/kernel.h> | |
| 86e5e38c | 15 | #include <linux/gpio.h> |
| 86e5e38c | 16 | |
| e1b7a72a RK |
17 | #include <video/sa1100fb.h> |
| 18 | ||
| 86e5e38c | 19 | #include <asm/mach-types.h> |
| 86e5e38c | 20 | #include <asm/mach/arch.h> |
| 86e5e38c | 21 | #include <asm/mach/irda.h> |
| 86e5e38c DA |
22 | |
| 23 | #include <mach/h3xxx.h> | |
| f314f33b | 24 | #include <mach/irqs.h> |
| 86e5e38c DA |
25 | |
| 26 | #include "generic.h" | |
| 27 | ||
| 28 | /* | |
| 29 | * helper for sa1100fb | |
| 30 | */ | |
| 31 | static void h3100_lcd_power(int enable) | |
| 32 | { | |
| 33 | if (!gpio_request(H3XXX_EGPIO_LCD_ON, "LCD ON")) { | |
| 34 | gpio_set_value(H3100_GPIO_LCD_3V_ON, enable); | |
| 35 | gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable); | |
| 36 | gpio_free(H3XXX_EGPIO_LCD_ON); | |
| 729fae44 DA |
37 | } else { |
| 38 | pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__); | |
| 86e5e38c DA |
39 | } |
| 40 | } | |
| 41 | ||
| e1b7a72a RK |
42 | static struct sa1100fb_mach_info h3100_lcd_info = { |
| 43 | .pixclock = 406977, .bpp = 4, | |
| 44 | .xres = 320, .yres = 240, | |
| 45 | ||
| 46 | .hsync_len = 26, .vsync_len = 41, | |
| 47 | .left_margin = 4, .upper_margin = 0, | |
| 48 | .right_margin = 4, .lower_margin = 0, | |
| 49 | ||
| 50 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
| 51 | .cmap_greyscale = 1, | |
| 52 | .cmap_inverse = 1, | |
| 53 | ||
| 54 | .lccr0 = LCCR0_Mono | LCCR0_4PixMono | LCCR0_Sngl | LCCR0_Pas, | |
| 55 | .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), | |
| 086ada54 RK |
56 | |
| 57 | .lcd_power = h3100_lcd_power, | |
| e1b7a72a | 58 | }; |
| 86e5e38c DA |
59 | |
| 60 | static void __init h3100_map_io(void) | |
| 61 | { | |
| 62 | h3xxx_map_io(); | |
| 63 | ||
| 86e5e38c DA |
64 | /* Older bootldrs put GPIO2-9 in alternate mode on the |
| 65 | assumption that they are used for video */ | |
| 66 | GAFR &= ~0x000001fb; | |
| 67 | } | |
| 68 | ||
| 69 | /* | |
| 70 | * This turns the IRDA power on or off on the Compaq H3100 | |
| 71 | */ | |
| 72 | static int h3100_irda_set_power(struct device *dev, unsigned int state) | |
| 73 | { | |
| 74 | gpio_set_value(H3100_GPIO_IR_ON, state); | |
| 75 | return 0; | |
| 76 | } | |
| 77 | ||
| 78 | static void h3100_irda_set_speed(struct device *dev, unsigned int speed) | |
| 79 | { | |
| 80 | gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000)); | |
| 81 | } | |
| 82 | ||
| 83 | static struct irda_platform_data h3100_irda_data = { | |
| 84 | .set_power = h3100_irda_set_power, | |
| 85 | .set_speed = h3100_irda_set_speed, | |
| 86 | }; | |
| 87 | ||
| 88 | static struct gpio_default_state h3100_default_gpio[] = { | |
| 89 | { H3100_GPIO_IR_ON, GPIO_MODE_OUT0, "IrDA power" }, | |
| 90 | { H3100_GPIO_IR_FSEL, GPIO_MODE_OUT0, "IrDA fsel" }, | |
| 91 | { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" }, | |
| 92 | { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" }, | |
| 93 | { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" }, | |
| 94 | { H3100_GPIO_LCD_3V_ON, GPIO_MODE_OUT0, "LCD 3v" }, | |
| 95 | }; | |
| 96 | ||
| 97 | static void __init h3100_mach_init(void) | |
| 98 | { | |
| 99 | h3xxx_init_gpio(h3100_default_gpio, ARRAY_SIZE(h3100_default_gpio)); | |
| 100 | h3xxx_mach_init(); | |
| e1b7a72a | 101 | |
| e1b7a72a | 102 | sa11x0_register_lcd(&h3100_lcd_info); |
| 86e5e38c DA |
103 | sa11x0_register_irda(&h3100_irda_data); |
| 104 | } | |
| 105 | ||
| 106 | MACHINE_START(H3100, "Compaq iPAQ H3100") | |
| 17f4425d | 107 | .atag_offset = 0x100, |
| 86e5e38c | 108 | .map_io = h3100_map_io, |
| f314f33b | 109 | .nr_irqs = SA1100_NR_IRQS, |
| 86e5e38c | 110 | .init_irq = sa1100_init_irq, |
| 6bb27d73 | 111 | .init_time = sa1100_timer_init, |
| 86e5e38c | 112 | .init_machine = h3100_mach_init, |
| 7fea1ba5 | 113 | .init_late = sa11x0_init_late, |
| d9ca5839 | 114 | .restart = sa11x0_restart, |
| 86e5e38c DA |
115 | MACHINE_END |
| 116 |