release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-omap1/board-sx1.c

   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
  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
  30 #include <mach/hardware.h>
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/map.h>
  34
  35 #include <mach/gpio.h>
  36 #include <plat/flash.h>
  37 #include <plat/mux.h>
  38 #include <plat/dma.h>
  39 #include <plat/irda.h>
  40 #include <plat/usb.h>
  41 #include <plat/tc.h>
  42 #include <plat/board.h>
  43 #include <plat/common.h>
  44 #include <plat/keypad.h>
  45 #include <plat/board-sx1.h>
  46
  47 /* Write to I2C device */
  48 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
  49 {
  50         struct i2c_adapter *adap;
  51         int err;
  52         struct i2c_msg msg[1];
  53         unsigned char data[2];
  54
  55         adap = i2c_get_adapter(0);
  56         if (!adap)
  57                 return -ENODEV;
  58         msg->addr = devaddr;    /* I2C address of chip */
  59         msg->flags = 0;
  60         msg->len = 2;
  61         msg->buf = data;
  62         data[0] = regoffset;    /* register num */
  63         data[1] = value;                /* register data */
  64         err = i2c_transfer(adap, msg, 1);
  65         i2c_put_adapter(adap);
  66         if (err >= 0)
  67                 return 0;
  68         return err;
  69 }
  70
  71 /* Read from I2C device */
  72 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
  73 {
  74         struct i2c_adapter *adap;
  75         int err;
  76         struct i2c_msg msg[1];
  77         unsigned char data[2];
  78
  79         adap = i2c_get_adapter(0);
  80         if (!adap)
  81                 return -ENODEV;
  82
  83         msg->addr = devaddr;    /* I2C address of chip */
  84         msg->flags = 0;
  85         msg->len = 1;
  86         msg->buf = data;
  87         data[0] = regoffset;    /* register num */
  88         err = i2c_transfer(adap, msg, 1);
  89
  90         msg->addr = devaddr;    /* I2C address */
  91         msg->flags = I2C_M_RD;
  92         msg->len = 1;
  93         msg->buf = data;
  94         err = i2c_transfer(adap, msg, 1);
  95         *value = data[0];
  96         i2c_put_adapter(adap);
  97
  98         if (err >= 0)
  99                 return 0;
 100         return err;
 101 }
 102 /* set keyboard backlight intensity */
 103 int sx1_setkeylight(u8 keylight)
 104 {
 105         if (keylight > SOFIA_MAX_LIGHT_VAL)
 106                 keylight = SOFIA_MAX_LIGHT_VAL;
 107         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 108 }
 109 /* get current keylight intensity */
 110 int sx1_getkeylight(u8 * keylight)
 111 {
 112         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 113 }
 114 /* set LCD backlight intensity */
 115 int sx1_setbacklight(u8 backlight)
 116 {
 117         if (backlight > SOFIA_MAX_LIGHT_VAL)
 118                 backlight = SOFIA_MAX_LIGHT_VAL;
 119         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 120                                   backlight);
 121 }
 122 /* get current LCD backlight intensity */
 123 int sx1_getbacklight (u8 * backlight)
 124 {
 125         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 126                                  backlight);
 127 }
 128 /* set LCD backlight power on/off */
 129 int sx1_setmmipower(u8 onoff)
 130 {
 131         int err;
 132         u8 dat = 0;
 133         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 134         if (err < 0)
 135                 return err;
 136         if (onoff)
 137                 dat |= SOFIA_MMILIGHT_POWER;
 138         else
 139                 dat &= ~SOFIA_MMILIGHT_POWER;
 140         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 141 }
 142
 143 /* set USB power on/off */
 144 int sx1_setusbpower(u8 onoff)
 145 {
 146         int err;
 147         u8 dat = 0;
 148         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 149         if (err < 0)
 150                 return err;
 151         if (onoff)
 152                 dat |= SOFIA_USB_POWER;
 153         else
 154                 dat &= ~SOFIA_USB_POWER;
 155         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 156 }
 157
 158 EXPORT_SYMBOL(sx1_setkeylight);
 159 EXPORT_SYMBOL(sx1_getkeylight);
 160 EXPORT_SYMBOL(sx1_setbacklight);
 161 EXPORT_SYMBOL(sx1_getbacklight);
 162 EXPORT_SYMBOL(sx1_setmmipower);
 163 EXPORT_SYMBOL(sx1_setusbpower);
 164
 165 /*----------- Keypad -------------------------*/
 166
 167 static int sx1_keymap[] = {
 168         KEY(5, 3, GROUP_0 | 117), /* camera Qt::Key_F17 */
 169         KEY(0, 4, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
 170         KEY(1, 4, GROUP_2 | 114), /* voice memo */
 171         KEY(2, 4, GROUP_3 | 114), /* voice memo */
 172         KEY(0, 0, GROUP_1 | KEY_F12),   /* red button Qt::Key_Hangup */
 173         KEY(4, 3, GROUP_1 | KEY_LEFT),
 174         KEY(2, 3, GROUP_1 | KEY_DOWN),
 175         KEY(1, 3, GROUP_1 | KEY_RIGHT),
 176         KEY(0, 3, GROUP_1 | KEY_UP),
 177         KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
 178         KEY(5, 0, GROUP_1 | KEY_1),
 179         KEY(4, 0, GROUP_1 | KEY_2),
 180         KEY(3, 0, GROUP_1 | KEY_3),
 181         KEY(3, 4, GROUP_1 | KEY_4),
 182         KEY(4, 4, GROUP_1 | KEY_5),
 183         KEY(5, 4, GROUP_1 | KEY_KPASTERISK),/* "*" */
 184         KEY(4, 1, GROUP_1 | KEY_6),
 185         KEY(5, 1, GROUP_1 | KEY_7),
 186         KEY(3, 1, GROUP_1 | KEY_8),
 187         KEY(3, 2, GROUP_1 | KEY_9),
 188         KEY(5, 2, GROUP_1 | KEY_0),
 189         KEY(4, 2, GROUP_1 | 113),       /* # F13 Toggle input method Qt::Key_F13 */
 190         KEY(0, 1, GROUP_1 | KEY_F11),   /* green button Qt::Key_Call */
 191         KEY(1, 2, GROUP_1 | KEY_YEN),   /* left soft Qt::Key_Context1 */
 192         KEY(2, 2, GROUP_1 | KEY_F8),    /* right soft Qt::Key_Back */
 193         KEY(2, 1, GROUP_1 | KEY_LEFTSHIFT), /* shift */
 194         KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
 195         KEY(0, 2, GROUP_1 | KEY_F7),    /* menu Qt::Key_Menu */
 196         0
 197 };
 198
 199 static struct resource sx1_kp_resources[] = {
 200         [0] = {
 201                 .start  = INT_KEYBOARD,
 202                 .end    = INT_KEYBOARD,
 203                 .flags  = IORESOURCE_IRQ,
 204         },
 205 };
 206
 207 static struct omap_kp_platform_data sx1_kp_data = {
 208         .rows           = 6,
 209         .cols           = 6,
 210         .keymap = sx1_keymap,
 211         .keymapsize = ARRAY_SIZE(sx1_keymap),
 212         .delay  = 80,
 213 };
 214
 215 static struct platform_device sx1_kp_device = {
 216         .name           = "omap-keypad",
 217         .id             = -1,
 218         .dev            = {
 219                 .platform_data = &sx1_kp_data,
 220         },
 221         .num_resources  = ARRAY_SIZE(sx1_kp_resources),
 222         .resource       = sx1_kp_resources,
 223 };
 224
 225 /*----------- IRDA -------------------------*/
 226
 227 static struct omap_irda_config sx1_irda_data = {
 228         .transceiver_cap        = IR_SIRMODE,
 229         .rx_channel             = OMAP_DMA_UART3_RX,
 230         .tx_channel             = OMAP_DMA_UART3_TX,
 231         .dest_start             = UART3_THR,
 232         .src_start              = UART3_RHR,
 233         .tx_trigger             = 0,
 234         .rx_trigger             = 0,
 235 };
 236
 237 static struct resource sx1_irda_resources[] = {
 238         [0] = {
 239                 .start  = INT_UART3,
 240                 .end    = INT_UART3,
 241                 .flags  = IORESOURCE_IRQ,
 242         },
 243 };
 244
 245 static u64 irda_dmamask = 0xffffffff;
 246
 247 static struct platform_device sx1_irda_device = {
 248         .name           = "omapirda",
 249         .id             = 0,
 250         .dev            = {
 251                 .platform_data  = &sx1_irda_data,
 252                 .dma_mask       = &irda_dmamask,
 253         },
 254         .num_resources  = ARRAY_SIZE(sx1_irda_resources),
 255         .resource       = sx1_irda_resources,
 256 };
 257
 258 /*----------- MTD -------------------------*/
 259
 260 static struct mtd_partition sx1_partitions[] = {
 261         /* bootloader (U-Boot, etc) in first sector */
 262         {
 263                 .name           = "bootloader",
 264                 .offset         = 0x01800000,
 265                 .size           = SZ_128K,
 266                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
 267         },
 268         /* bootloader params in the next sector */
 269         {
 270                 .name           = "params",
 271                 .offset         = MTDPART_OFS_APPEND,
 272                 .size           = SZ_128K,
 273                 .mask_flags     = 0,
 274         },
 275         /* kernel */
 276         {
 277                 .name           = "kernel",
 278                 .offset         = MTDPART_OFS_APPEND,
 279                 .size           = SZ_2M - 2 * SZ_128K,
 280                 .mask_flags     = 0
 281         },
 282         /* file system */
 283         {
 284                 .name           = "filesystem",
 285                 .offset         = MTDPART_OFS_APPEND,
 286                 .size           = MTDPART_SIZ_FULL,
 287                 .mask_flags     = 0
 288         }
 289 };
 290
 291 static struct physmap_flash_data sx1_flash_data = {
 292         .width          = 2,
 293         .set_vpp        = omap1_set_vpp,
 294         .parts          = sx1_partitions,
 295         .nr_parts       = ARRAY_SIZE(sx1_partitions),
 296 };
 297
 298 #ifdef CONFIG_SX1_OLD_FLASH
 299 /* MTD Intel StrataFlash - old flashes */
 300 static struct resource sx1_old_flash_resource[] = {
 301         [0] = {
 302                 .start  = OMAP_CS0_PHYS,        /* Physical */
 303                 .end    = OMAP_CS0_PHYS + SZ_16M - 1,,
 304                 .flags  = IORESOURCE_MEM,
 305         },
 306         [1] = {
 307                 .start  = OMAP_CS1_PHYS,
 308                 .end    = OMAP_CS1_PHYS + SZ_8M - 1,
 309                 .flags  = IORESOURCE_MEM,
 310         },
 311 };
 312
 313 static struct platform_device sx1_flash_device = {
 314         .name           = "physmap-flash",
 315         .id             = 0,
 316         .dev            = {
 317                 .platform_data  = &sx1_flash_data,
 318         },
 319         .num_resources  = 2,
 320         .resource       = &sx1_old_flash_resource,
 321 };
 322 #else
 323 /* MTD Intel 4000 flash - new flashes */
 324 static struct resource sx1_new_flash_resource = {
 325         .start          = OMAP_CS0_PHYS,
 326         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 327         .flags          = IORESOURCE_MEM,
 328 };
 329
 330 static struct platform_device sx1_flash_device = {
 331         .name           = "physmap-flash",
 332         .id             = 0,
 333         .dev            = {
 334                 .platform_data  = &sx1_flash_data,
 335         },
 336         .num_resources  = 1,
 337         .resource       = &sx1_new_flash_resource,
 338 };
 339 #endif
 340
 341 /*----------- USB -------------------------*/
 342
 343 static struct omap_usb_config sx1_usb_config __initdata = {
 344         .otg            = 0,
 345         .register_dev   = 1,
 346         .register_host  = 0,
 347         .hmc_mode       = 0,
 348         .pins[0]        = 2,
 349         .pins[1]        = 0,
 350         .pins[2]        = 0,
 351 };
 352
 353 /*----------- LCD -------------------------*/
 354
 355 static struct platform_device sx1_lcd_device = {
 356         .name           = "lcd_sx1",
 357         .id             = -1,
 358 };
 359
 360 static struct omap_lcd_config sx1_lcd_config __initdata = {
 361         .ctrl_name      = "internal",
 362 };
 363
 364 /*-----------------------------------------*/
 365 static struct platform_device *sx1_devices[] __initdata = {
 366         &sx1_flash_device,
 367         &sx1_kp_device,
 368         &sx1_lcd_device,
 369         &sx1_irda_device,
 370 };
 371 /*-----------------------------------------*/
 372
 373 static struct omap_board_config_kernel sx1_config[] __initdata = {
 374         { OMAP_TAG_LCD, &sx1_lcd_config },
 375 };
 376
 377 /*-----------------------------------------*/
 378
 379 static void __init omap_sx1_init(void)
 380 {
 381         /* mux pins for uarts */
 382         omap_cfg_reg(UART1_TX);
 383         omap_cfg_reg(UART1_RTS);
 384         omap_cfg_reg(UART2_TX);
 385         omap_cfg_reg(UART2_RTS);
 386         omap_cfg_reg(UART3_TX);
 387         omap_cfg_reg(UART3_RX);
 388
 389         platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
 390
 391         omap_board_config = sx1_config;
 392         omap_board_config_size = ARRAY_SIZE(sx1_config);
 393         omap_serial_init();
 394         omap_register_i2c_bus(1, 100, NULL, 0);
 395         omap1_usb_init(&sx1_usb_config);
 396         sx1_mmc_init();
 397
 398         /* turn on USB power */
 399         /* sx1_setusbpower(1); cant do it here because i2c is not ready */
 400         gpio_request(1, "A_IRDA_OFF");
 401         gpio_request(11, "A_SWITCH");
 402         gpio_request(15, "A_USB_ON");
 403         gpio_direction_output(1, 1);    /*A_IRDA_OFF = 1 */
 404         gpio_direction_output(11, 0);   /*A_SWITCH = 0 */
 405         gpio_direction_output(15, 0);   /*A_USB_ON = 0 */
 406 }
 407 /*----------------------------------------*/
 408 static void __init omap_sx1_init_irq(void)
 409 {
 410         omap1_init_common_hw();
 411         omap_init_irq();
 412         omap_gpio_init();
 413 }
 414 /*----------------------------------------*/
 415
 416 static void __init omap_sx1_map_io(void)
 417 {
 418         omap1_map_common_io();
 419 }
 420
 421 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
 422         .phys_io        = 0xfff00000,
 423         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 424         .boot_params    = 0x10000100,
 425         .map_io         = omap_sx1_map_io,
 426         .reserve        = omap_reserve,
 427         .init_irq       = omap_sx1_init_irq,
 428         .init_machine   = omap_sx1_init,
 429         .timer          = &omap_timer,
 430 MACHINE_END