linux/arch/arm/mach-omap1/board-sx1.c
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   1/*
   2* linux/arch/arm/mach-omap1/board-sx1.c
   3*
   4* Modified from board-generic.c
   5*
   6* Support for the Siemens SX1 mobile phone.
   7*
   8* Original version : Vladimir Ananiev (Vovan888-at-gmail com)
   9*
  10* Maintainters : Vladimir Ananiev (aka Vovan888), Sergge
  11*               oslik.ru
  12*
  13* This program is free software; you can redistribute it and/or modify
  14* it under the terms of the GNU General Public License version 2 as
  15* published by the Free Software Foundation.
  16*/
  17#include <linux/gpio.h>
  18#include <linux/kernel.h>
  19#include <linux/init.h>
  20#include <linux/input.h>
  21#include <linux/platform_device.h>
  22#include <linux/notifier.h>
  23#include <linux/mtd/mtd.h>
  24#include <linux/mtd/partitions.h>
  25#include <linux/mtd/physmap.h>
  26#include <linux/types.h>
  27#include <linux/i2c.h>
  28#include <linux/errno.h>
  29#include <linux/export.h>
  30#include <linux/omapfb.h>
  31#include <linux/platform_data/keypad-omap.h>
  32
  33#include <asm/mach-types.h>
  34#include <asm/mach/arch.h>
  35#include <asm/mach/map.h>
  36
  37#include "flash.h"
  38#include <mach/mux.h>
  39#include <linux/omap-dma.h>
  40#include <mach/tc.h>
  41#include "board-sx1.h"
  42
  43#include <mach/hardware.h>
  44#include <mach/usb.h>
  45
  46#include "common.h"
  47
  48/* Write to I2C device */
  49int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
  50{
  51        struct i2c_adapter *adap;
  52        int err;
  53        struct i2c_msg msg[1];
  54        unsigned char data[2];
  55
  56        adap = i2c_get_adapter(0);
  57        if (!adap)
  58                return -ENODEV;
  59        msg->addr = devaddr;    /* I2C address of chip */
  60        msg->flags = 0;
  61        msg->len = 2;
  62        msg->buf = data;
  63        data[0] = regoffset;    /* register num */
  64        data[1] = value;                /* register data */
  65        err = i2c_transfer(adap, msg, 1);
  66        i2c_put_adapter(adap);
  67        if (err >= 0)
  68                return 0;
  69        return err;
  70}
  71
  72/* Read from I2C device */
  73int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
  74{
  75        struct i2c_adapter *adap;
  76        int err;
  77        struct i2c_msg msg[1];
  78        unsigned char data[2];
  79
  80        adap = i2c_get_adapter(0);
  81        if (!adap)
  82                return -ENODEV;
  83
  84        msg->addr = devaddr;    /* I2C address of chip */
  85        msg->flags = 0;
  86        msg->len = 1;
  87        msg->buf = data;
  88        data[0] = regoffset;    /* register num */
  89        err = i2c_transfer(adap, msg, 1);
  90
  91        msg->addr = devaddr;    /* I2C address */
  92        msg->flags = I2C_M_RD;
  93        msg->len = 1;
  94        msg->buf = data;
  95        err = i2c_transfer(adap, msg, 1);
  96        *value = data[0];
  97        i2c_put_adapter(adap);
  98
  99        if (err >= 0)
 100                return 0;
 101        return err;
 102}
 103/* set keyboard backlight intensity */
 104int sx1_setkeylight(u8 keylight)
 105{
 106        if (keylight > SOFIA_MAX_LIGHT_VAL)
 107                keylight = SOFIA_MAX_LIGHT_VAL;
 108        return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 109}
 110/* get current keylight intensity */
 111int sx1_getkeylight(u8 * keylight)
 112{
 113        return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 114}
 115/* set LCD backlight intensity */
 116int sx1_setbacklight(u8 backlight)
 117{
 118        if (backlight > SOFIA_MAX_LIGHT_VAL)
 119                backlight = SOFIA_MAX_LIGHT_VAL;
 120        return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 121                                  backlight);
 122}
 123/* get current LCD backlight intensity */
 124int sx1_getbacklight (u8 * backlight)
 125{
 126        return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 127                                 backlight);
 128}
 129/* set LCD backlight power on/off */
 130int sx1_setmmipower(u8 onoff)
 131{
 132        int err;
 133        u8 dat = 0;
 134        err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 135        if (err < 0)
 136                return err;
 137        if (onoff)
 138                dat |= SOFIA_MMILIGHT_POWER;
 139        else
 140                dat &= ~SOFIA_MMILIGHT_POWER;
 141        return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 142}
 143
 144/* set USB power on/off */
 145int sx1_setusbpower(u8 onoff)
 146{
 147        int err;
 148        u8 dat = 0;
 149        err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 150        if (err < 0)
 151                return err;
 152        if (onoff)
 153                dat |= SOFIA_USB_POWER;
 154        else
 155                dat &= ~SOFIA_USB_POWER;
 156        return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 157}
 158
 159EXPORT_SYMBOL(sx1_setkeylight);
 160EXPORT_SYMBOL(sx1_getkeylight);
 161EXPORT_SYMBOL(sx1_setbacklight);
 162EXPORT_SYMBOL(sx1_getbacklight);
 163EXPORT_SYMBOL(sx1_setmmipower);
 164EXPORT_SYMBOL(sx1_setusbpower);
 165
 166/*----------- Keypad -------------------------*/
 167
 168static const unsigned int sx1_keymap[] = {
 169        KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
 170        KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
 171        KEY(4, 1, GROUP_2 | 114), /* voice memo */
 172        KEY(4, 2, GROUP_3 | 114), /* voice memo */
 173        KEY(0, 0, GROUP_1 | KEY_F12),   /* red button Qt::Key_Hangup */
 174        KEY(3, 4, GROUP_1 | KEY_LEFT),
 175        KEY(3, 2, GROUP_1 | KEY_DOWN),
 176        KEY(3, 1, GROUP_1 | KEY_RIGHT),
 177        KEY(3, 0, GROUP_1 | KEY_UP),
 178        KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
 179        KEY(0, 5, GROUP_1 | KEY_1),
 180        KEY(0, 4, GROUP_1 | KEY_2),
 181        KEY(0, 3, GROUP_1 | KEY_3),
 182        KEY(4, 3, GROUP_1 | KEY_4),
 183        KEY(4, 4, GROUP_1 | KEY_5),
 184        KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
 185        KEY(1, 4, GROUP_1 | KEY_6),
 186        KEY(1, 5, GROUP_1 | KEY_7),
 187        KEY(1, 3, GROUP_1 | KEY_8),
 188        KEY(2, 3, GROUP_1 | KEY_9),
 189        KEY(2, 5, GROUP_1 | KEY_0),
 190        KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
 191        KEY(1, 0, GROUP_1 | KEY_F11),   /* green button Qt::Key_Call */
 192        KEY(2, 1, GROUP_1 | KEY_YEN),   /* left soft Qt::Key_Context1 */
 193        KEY(2, 2, GROUP_1 | KEY_F8),    /* right soft Qt::Key_Back */
 194        KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
 195        KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
 196        KEY(2, 0, GROUP_1 | KEY_F7),    /* menu Qt::Key_Menu */
 197};
 198
 199static struct resource sx1_kp_resources[] = {
 200        [0] = {
 201                .start  = INT_KEYBOARD,
 202                .end    = INT_KEYBOARD,
 203                .flags  = IORESOURCE_IRQ,
 204        },
 205};
 206
 207static const struct matrix_keymap_data sx1_keymap_data = {
 208        .keymap         = sx1_keymap,
 209        .keymap_size    = ARRAY_SIZE(sx1_keymap),
 210};
 211
 212static struct omap_kp_platform_data sx1_kp_data = {
 213        .rows           = 6,
 214        .cols           = 6,
 215        .keymap_data    = &sx1_keymap_data,
 216        .delay  = 80,
 217};
 218
 219static struct platform_device sx1_kp_device = {
 220        .name           = "omap-keypad",
 221        .id             = -1,
 222        .dev            = {
 223                .platform_data = &sx1_kp_data,
 224        },
 225        .num_resources  = ARRAY_SIZE(sx1_kp_resources),
 226        .resource       = sx1_kp_resources,
 227};
 228
 229/*----------- MTD -------------------------*/
 230
 231static struct mtd_partition sx1_partitions[] = {
 232        /* bootloader (U-Boot, etc) in first sector */
 233        {
 234                .name           = "bootloader",
 235                .offset         = 0x01800000,
 236                .size           = SZ_128K,
 237                .mask_flags     = MTD_WRITEABLE, /* force read-only */
 238        },
 239        /* bootloader params in the next sector */
 240        {
 241                .name           = "params",
 242                .offset         = MTDPART_OFS_APPEND,
 243                .size           = SZ_128K,
 244                .mask_flags     = 0,
 245        },
 246        /* kernel */
 247        {
 248                .name           = "kernel",
 249                .offset         = MTDPART_OFS_APPEND,
 250                .size           = SZ_2M - 2 * SZ_128K,
 251                .mask_flags     = 0
 252        },
 253        /* file system */
 254        {
 255                .name           = "filesystem",
 256                .offset         = MTDPART_OFS_APPEND,
 257                .size           = MTDPART_SIZ_FULL,
 258                .mask_flags     = 0
 259        }
 260};
 261
 262static struct physmap_flash_data sx1_flash_data = {
 263        .width          = 2,
 264        .set_vpp        = omap1_set_vpp,
 265        .parts          = sx1_partitions,
 266        .nr_parts       = ARRAY_SIZE(sx1_partitions),
 267};
 268
 269/* MTD Intel 4000 flash - new flashes */
 270static struct resource sx1_new_flash_resource = {
 271        .start          = OMAP_CS0_PHYS,
 272        .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 273        .flags          = IORESOURCE_MEM,
 274};
 275
 276static struct platform_device sx1_flash_device = {
 277        .name           = "physmap-flash",
 278        .id             = 0,
 279        .dev            = {
 280                .platform_data  = &sx1_flash_data,
 281        },
 282        .num_resources  = 1,
 283        .resource       = &sx1_new_flash_resource,
 284};
 285
 286/*----------- USB -------------------------*/
 287
 288static struct omap_usb_config sx1_usb_config __initdata = {
 289        .otg            = 0,
 290        .register_dev   = 1,
 291        .register_host  = 0,
 292        .hmc_mode       = 0,
 293        .pins[0]        = 2,
 294        .pins[1]        = 0,
 295        .pins[2]        = 0,
 296};
 297
 298/*----------- LCD -------------------------*/
 299
 300static const struct omap_lcd_config sx1_lcd_config __initconst = {
 301        .ctrl_name      = "internal",
 302};
 303
 304/*-----------------------------------------*/
 305static struct platform_device *sx1_devices[] __initdata = {
 306        &sx1_flash_device,
 307        &sx1_kp_device,
 308};
 309
 310/*-----------------------------------------*/
 311
 312static void __init omap_sx1_init(void)
 313{
 314        /* mux pins for uarts */
 315        omap_cfg_reg(UART1_TX);
 316        omap_cfg_reg(UART1_RTS);
 317        omap_cfg_reg(UART2_TX);
 318        omap_cfg_reg(UART2_RTS);
 319        omap_cfg_reg(UART3_TX);
 320        omap_cfg_reg(UART3_RX);
 321
 322        platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
 323
 324        omap_serial_init();
 325        omap_register_i2c_bus(1, 100, NULL, 0);
 326        omap1_usb_init(&sx1_usb_config);
 327        sx1_mmc_init();
 328
 329        /* turn on USB power */
 330        /* sx1_setusbpower(1); can't do it here because i2c is not ready */
 331        gpio_request(1, "A_IRDA_OFF");
 332        gpio_request(11, "A_SWITCH");
 333        gpio_request(15, "A_USB_ON");
 334        gpio_direction_output(1, 1);    /*A_IRDA_OFF = 1 */
 335        gpio_direction_output(11, 0);   /*A_SWITCH = 0 */
 336        gpio_direction_output(15, 0);   /*A_USB_ON = 0 */
 337
 338        omapfb_set_lcd_config(&sx1_lcd_config);
 339}
 340
 341MACHINE_START(SX1, "OMAP310 based Siemens SX1")
 342        .atag_offset    = 0x100,
 343        .map_io         = omap15xx_map_io,
 344        .init_early     = omap1_init_early,
 345        .init_irq       = omap1_init_irq,
 346        .handle_irq     = omap1_handle_irq,
 347        .init_machine   = omap_sx1_init,
 348        .init_late      = omap1_init_late,
 349        .init_time      = omap1_timer_init,
 350        .restart        = omap1_restart,
 351MACHINE_END
 352