arch/arm/mach-omap1/board-h6300.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-h6300.c
   3  *
   4  * Modified from board-innovator.c
   5  *
   6  * Board specific inits for OMAP-1510 based iPAQ h63xx series of mobile phones.
   7  * (h6315, h6340 and h6365)
   8  *
   9  * Copyright (C) 2009 Mika Laitio
  10  * Copyright (C) 2009 Husam Senussi
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/delay.h>
  20 #include <linux/input.h>
  21
  22 #include <asm/hardware.h>
  23 #include <asm/mach-types.h>
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/map.h>
  26
  27 #include <asm/arch/gpio.h>
  28 #include <asm/arch/tc.h>
  29 #include <asm/arch/usb.h>
  30 #include <asm/arch/keypad.h>
  31 #include <asm/arch/common.h>
  32 #include <asm/arch/mcbsp.h>
  33 #include <asm/arch/omap-alsa.h>
  34 #include <asm/arch/h6300_uart_info.h>
  35
  36 #define _h6300_KEY_CALENDAR     67      // xmodmap 75 aka F9
  37 #define _H6300_KEY_TELEPHONE    68      // xmodmap 76 aka F10
  38 #define _H6300_KEY_HOMEPAGE     87      // xmodmap 87 aka Num_Lock
  39 #define _H6300_KEY_MAIL         88      // xmodmap 88 aka Scroll_Lock
  40
  41 /*
  42  * When joypad is pressed on h63xx to up, right, down or left direction,
  43  * it does not send keypress events directly from those directions.
  44  * Instead we receive multiple events from the keypresses on directions
  45  * up_right, down_right, down_left, up_left and ok.
  46  * Therefore we are summing those events in kernel level and then
  47  * making a decision which event is send to userspace. (up, right, down or left)
  48  */
  49 #define _H6300_JOYPAD_UP_RIGHT          1       // 00001
  50 #define _H6300_JOYPAD_DOWN_RIGHT        2       // 00010
  51 #define _h6300_JOYPAD_DOWN_LEFT         4       // 00100
  52 #define _h6300_JOYPAD_UP_LEFT           8       // 01000
  53 #define _H6300_JOYPAD_KEY_OK            16      // 10000
  54
  55 static int h6300_keymap[] = {
  56         KEY(2, 0, _h6300_KEY_CALENDAR),         // address button in the bottom left of iPAQ keypad
  57         KEY(2, 3, _H6300_KEY_TELEPHONE),        // start call button in the bottom of iPAQ keypad
  58         KEY(3, 1, _H6300_KEY_HOMEPAGE),         // stop call button in the bottom of iPAQ keypad
  59         KEY(3, 4, _H6300_KEY_MAIL),             // messaging button in the bottom right of iPAQ keypad
  60
  61         KEY(0, 0, KEY_VOLUMEUP),                // volume up button in the right side of iPAQ keypad
  62         KEY(0, 1, KEY_VOLUMEDOWN),              // volume down button in the right side of iPAQ keypad
  63         KEY(3, 2, KEY_RECORD),                  // record button in the left side of iPAQ keypad
  64
  65         KEY(1, 0, _h6300_JOYPAD_UP_LEFT),
  66         KEY(1, 1, _h6300_JOYPAD_DOWN_LEFT),
  67         KEY(1, 2, _H6300_JOYPAD_KEY_OK),
  68         KEY(1, 3, _H6300_JOYPAD_DOWN_RIGHT),
  69         KEY(1, 4, _H6300_JOYPAD_UP_RIGHT),
  70
  71         KEY(4, 0, KEY_RIGHT),
  72         KEY(4, 1, KEY_DOWN),
  73         KEY(4, 2, KEY_LEFT),
  74         KEY(4, 3, KEY_UP),
  75         KEY(4, 4, KEY_ENTER),
  76
  77         0
  78 };
  79
  80 static struct platform_device h6300_lcd_device = {
  81         .name   = "lcd_h6300",
  82         .id     = -1,
  83 };
  84
  85 static struct resource h6300_kp_resources[] = {
  86         [0] = {
  87                 .start  = INT_KEYBOARD,
  88                 .end    = INT_KEYBOARD,
  89                 .flags  = IORESOURCE_IRQ,
  90         },
  91 };
  92
  93 static struct omap_kp_platform_data h6300_kp_data = {
  94         .rows   = 8,
  95         .cols   = 8,
  96         .keymap = h6300_keymap,
  97         .rep    = 1,    // turns repeat bit on
  98 };
  99
 100 static struct platform_device h6300_kp_device = {
 101         .name           = "omap-keypad",
 102         .id             = -1,
 103         .dev            = {
 104                 .platform_data = &h6300_kp_data,
 105         },
 106         .num_resources  = ARRAY_SIZE(h6300_kp_resources),
 107         .resource       = h6300_kp_resources,
 108 };
 109
 110 /*
 111  * Bluetooth - Relies on h6300_bt module,
 112  * so make the calls indirectly through pointers. Requires that the
 113  * h6300_bt bluetooth module be loaded before any attempt to use
 114  * bluetooth (obviously).
 115  */
 116 static struct platform_omap_serial_funcs h6300_omap_platform__uart_bt_funcs = {
 117         .configure      = NULL,
 118         .set_txrx       = NULL,
 119         .get_txrx       = NULL,
 120 };
 121
 122 struct platform_device h63xx_uart_bt_device = {
 123         .name   = "h6300_bt",
 124         .id     = 1,
 125 };
 126 EXPORT_SYMBOL(h63xx_uart_bt_device);
 127
 128 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 129         .spcr2  = 0x0000,
 130         .spcr1  = 0x0000,
 131         .rcr2   = 0x8041,
 132         .rcr1   = 0x0040,
 133         .xcr2   = 0x00a1,
 134         .xcr1   = 0x00a0,
 135         .srgr2  = 0xb000,
 136         .srgr1  = 0x0000,
 137         .pcr0   = 0x0081,
 138 };
 139
 140 static struct omap_alsa_codec_config alsa_config = {
 141         .name                   = "iPAQ h6300 TSC2101",
 142         .mcbsp_regs_alsa        = &mcbsp_regs,
 143         .codec_configure_dev    = NULL, //tsc2101_configure,
 144         .codec_set_samplerate   = NULL, //tsc2101_set_samplerate,
 145         .codec_clock_setup      = NULL, //tsc2101_clock_setup,
 146         .codec_clock_on         = NULL, //tsc2101_clock_on,
 147         .codec_clock_off        = NULL, //tsc2101_clock_off,
 148         .get_default_samplerate = NULL, //tsc2101_get_default_samplerate,
 149 };
 150
 151 static struct platform_device h6300_mcbsp1_sound_device = {
 152         .name   = "omap_alsa_mcbsp",
 153         .id     = 1,
 154         .dev = {
 155                 .platform_data  = &alsa_config,
 156         },
 157 };
 158
 159 static struct platform_device *h6300_devices[] __initdata = {
 160         &h6300_lcd_device,
 161         &h6300_kp_device,
 162         &h63xx_uart_bt_device,
 163         &h6300_mcbsp1_sound_device,
 164 };
 165
 166 static struct omap_lcd_config h6300_lcd_config __initdata = {
 167         .ctrl_name      = "internal",
 168 };
 169
 170 static struct omap_uart_config h6300_uart_config __initdata = {
 171         .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
 172 };
 173
 174 /* assume no Mini-AB port */
 175 static struct omap_usb_config h6300_usb_config __initdata = {
 176         .hmc_mode       = 0,
 177         .register_dev   = 1,
 178         .pins[0]        = 0,
 179 };
 180
 181 static struct omap_mmc_config h6300_mmc_config __initdata = {
 182         .mmc [0] = {
 183                 .enabled        = 1,
 184                 .wire4          = 1,
 185                 .wp_pin         = OMAP_GPIO_IRQ(13),
 186                 .power_pin      = -1, // tps65010 ?
 187                 .switch_pin     = -1, // OMAP_MPUIO(1), // = -1, // ARMIO2?
 188         },
 189 };
 190
 191 static struct omap_board_config_kernel h6300_config[] = {
 192         { OMAP_TAG_LCD,         &h6300_lcd_config },
 193         { OMAP_TAG_UART,        &h6300_uart_config },
 194         { OMAP_TAG_USB,         &h6300_usb_config },
 195         { OMAP_TAG_MMC,         &h6300_mmc_config },
 196 };
 197
 198 static void __init h6300_init_irq(void)
 199 {
 200         omap1_init_common_hw();
 201         omap_init_irq();
 202         omap_gpio_init();
 203 /* touchscreen gpio setup is now done in the drivers/input/touschreen/omap/ts_hx.c
 204         omap_request_gpio(2);
 205         omap_set_gpio_direction(2, 0);
 206         omap_set_gpio_dataout(2, 1);
 207 */
 208 }
 209
 210 static void __init h6300_init(void)
 211 {
 212         int ret;
 213
 214         ret = platform_add_devices(h6300_devices, ARRAY_SIZE(h6300_devices));
 215         if (ret) {
 216                 printk(KERN_WARNING "Unable to add h6300 platform devices.");
 217         }
 218         omap_board_config       = h6300_config;
 219         omap_board_config_size  = ARRAY_SIZE(h6300_config);
 220         omap_serial_init();
 221 }
 222
 223 static void __init h6300_map_io(void)
 224 {
 225         omap1_map_common_io();
 226
 227         h63xx_uart_bt_device.dev.platform_data  = &h6300_omap_platform__uart_bt_funcs;
 228 }
 229
 230 MACHINE_START(OMAP_H6300, "HP iPAQ h6300")
 231         /* MAINTAINER("Mika Laitio <lamikr at pilppa dot org>") */
 232         .phys_io        = 0xfff00000,
 233         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 234         .boot_params    = 0x10000100,
 235         .map_io         = h6300_map_io,
 236         .init_irq       = h6300_init_irq,
 237         .init_machine   = h6300_init,
 238         .timer          = &omap_timer,
 239 MACHINE_END