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 #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
  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 <plat/flash.h>
  36 #include <plat/mux.h>
  37 #include <plat/dma.h>
  38 #include <plat/irda.h>
  39 #include <plat/usb.h>
  40 #include <plat/tc.h>
  41 #include <plat/board.h>
  42 #include <plat/common.h>
  43 #include <plat/keypad.h>
  44 #include <plat/board-sx1.h>
  45
  46 /* Write to I2C device */
  47 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
  48 {
  49         struct i2c_adapter *adap;
  50         int err;
  51         struct i2c_msg msg[1];
  52         unsigned char data[2];
  53
  54         adap = i2c_get_adapter(0);
  55         if (!adap)
  56                 return -ENODEV;
  57         msg->addr = devaddr;    /* I2C address of chip */
  58         msg->flags = 0;
  59         msg->len = 2;
  60         msg->buf = data;
  61         data[0] = regoffset;    /* register num */
  62         data[1] = value;                /* register data */
  63         err = i2c_transfer(adap, msg, 1);
  64         i2c_put_adapter(adap);
  65         if (err >= 0)
  66                 return 0;
  67         return err;
  68 }
  69
  70 /* Read from I2C device */
  71 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
  72 {
  73         struct i2c_adapter *adap;
  74         int err;
  75         struct i2c_msg msg[1];
  76         unsigned char data[2];
  77
  78         adap = i2c_get_adapter(0);
  79         if (!adap)
  80                 return -ENODEV;
  81
  82         msg->addr = devaddr;    /* I2C address of chip */
  83         msg->flags = 0;
  84         msg->len = 1;
  85         msg->buf = data;
  86         data[0] = regoffset;    /* register num */
  87         err = i2c_transfer(adap, msg, 1);
  88
  89         msg->addr = devaddr;    /* I2C address */
  90         msg->flags = I2C_M_RD;
  91         msg->len = 1;
  92         msg->buf = data;
  93         err = i2c_transfer(adap, msg, 1);
  94         *value = data[0];
  95         i2c_put_adapter(adap);
  96
  97         if (err >= 0)
  98                 return 0;
  99         return err;
 100 }
 101 /* set keyboard backlight intensity */
 102 int sx1_setkeylight(u8 keylight)
 103 {
 104         if (keylight > SOFIA_MAX_LIGHT_VAL)
 105                 keylight = SOFIA_MAX_LIGHT_VAL;
 106         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 107 }
 108 /* get current keylight intensity */
 109 int sx1_getkeylight(u8 * keylight)
 110 {
 111         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 112 }
 113 /* set LCD backlight intensity */
 114 int sx1_setbacklight(u8 backlight)
 115 {
 116         if (backlight > SOFIA_MAX_LIGHT_VAL)
 117                 backlight = SOFIA_MAX_LIGHT_VAL;
 118         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 119                                   backlight);
 120 }
 121 /* get current LCD backlight intensity */
 122 int sx1_getbacklight (u8 * backlight)
 123 {
 124         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 125                                  backlight);
 126 }
 127 /* set LCD backlight power on/off */
 128 int sx1_setmmipower(u8 onoff)
 129 {
 130         int err;
 131         u8 dat = 0;
 132         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 133         if (err < 0)
 134                 return err;
 135         if (onoff)
 136                 dat |= SOFIA_MMILIGHT_POWER;
 137         else
 138                 dat &= ~SOFIA_MMILIGHT_POWER;
 139         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 140 }
 141
 142 /* set USB power on/off */
 143 int sx1_setusbpower(u8 onoff)
 144 {
 145         int err;
 146         u8 dat = 0;
 147         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 148         if (err < 0)
 149                 return err;
 150         if (onoff)
 151                 dat |= SOFIA_USB_POWER;
 152         else
 153                 dat &= ~SOFIA_USB_POWER;
 154         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 155 }
 156
 157 EXPORT_SYMBOL(sx1_setkeylight);
 158 EXPORT_SYMBOL(sx1_getkeylight);
 159 EXPORT_SYMBOL(sx1_setbacklight);
 160 EXPORT_SYMBOL(sx1_getbacklight);
 161 EXPORT_SYMBOL(sx1_setmmipower);
 162 EXPORT_SYMBOL(sx1_setusbpower);
 163
 164 /*----------- Keypad -------------------------*/
 165
 166 static const unsigned int sx1_keymap[] = {
 167         KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
 168         KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
 169         KEY(4, 1, GROUP_2 | 114), /* voice memo */
 170         KEY(4, 2, GROUP_3 | 114), /* voice memo */
 171         KEY(0, 0, GROUP_1 | KEY_F12),   /* red button Qt::Key_Hangup */
 172         KEY(3, 4, GROUP_1 | KEY_LEFT),
 173         KEY(3, 2, GROUP_1 | KEY_DOWN),
 174         KEY(3, 1, GROUP_1 | KEY_RIGHT),
 175         KEY(3, 0, GROUP_1 | KEY_UP),
 176         KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
 177         KEY(0, 5, GROUP_1 | KEY_1),
 178         KEY(0, 4, GROUP_1 | KEY_2),
 179         KEY(0, 3, GROUP_1 | KEY_3),
 180         KEY(4, 3, GROUP_1 | KEY_4),
 181         KEY(4, 4, GROUP_1 | KEY_5),
 182         KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
 183         KEY(1, 4, GROUP_1 | KEY_6),
 184         KEY(1, 5, GROUP_1 | KEY_7),
 185         KEY(1, 3, GROUP_1 | KEY_8),
 186         KEY(2, 3, GROUP_1 | KEY_9),
 187         KEY(2, 5, GROUP_1 | KEY_0),
 188         KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
 189         KEY(1, 0, GROUP_1 | KEY_F11),   /* green button Qt::Key_Call */
 190         KEY(2, 1, GROUP_1 | KEY_YEN),   /* left soft Qt::Key_Context1 */
 191         KEY(2, 2, GROUP_1 | KEY_F8),    /* right soft Qt::Key_Back */
 192         KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
 193         KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
 194         KEY(2, 0, GROUP_1 | KEY_F7),    /* menu Qt::Key_Menu */
 195 };
 196
 197 static struct resource sx1_kp_resources[] = {
 198         [0] = {
 199                 .start  = INT_KEYBOARD,
 200                 .end    = INT_KEYBOARD,
 201                 .flags  = IORESOURCE_IRQ,
 202         },
 203 };
 204
 205 static const struct matrix_keymap_data sx1_keymap_data = {
 206         .keymap         = sx1_keymap,
 207         .keymap_size    = ARRAY_SIZE(sx1_keymap),
 208 };
 209
 210 static struct omap_kp_platform_data sx1_kp_data = {
 211         .rows           = 6,
 212         .cols           = 6,
 213         .keymap_data    = &sx1_keymap_data,
 214         .delay  = 80,
 215 };
 216
 217 static struct platform_device sx1_kp_device = {
 218         .name           = "omap-keypad",
 219         .id             = -1,
 220         .dev            = {
 221                 .platform_data = &sx1_kp_data,
 222         },
 223         .num_resources  = ARRAY_SIZE(sx1_kp_resources),
 224         .resource       = sx1_kp_resources,
 225 };
 226
 227 /*----------- IRDA -------------------------*/
 228
 229 static struct omap_irda_config sx1_irda_data = {
 230         .transceiver_cap        = IR_SIRMODE,
 231         .rx_channel             = OMAP_DMA_UART3_RX,
 232         .tx_channel             = OMAP_DMA_UART3_TX,
 233         .dest_start             = UART3_THR,
 234         .src_start              = UART3_RHR,
 235         .tx_trigger             = 0,
 236         .rx_trigger             = 0,
 237 };
 238
 239 static struct resource sx1_irda_resources[] = {
 240         [0] = {
 241                 .start  = INT_UART3,
 242                 .end    = INT_UART3,
 243                 .flags  = IORESOURCE_IRQ,
 244         },
 245 };
 246
 247 static u64 irda_dmamask = 0xffffffff;
 248
 249 static struct platform_device sx1_irda_device = {
 250         .name           = "omapirda",
 251         .id             = 0,
 252         .dev            = {
 253                 .platform_data  = &sx1_irda_data,
 254                 .dma_mask       = &irda_dmamask,
 255         },
 256         .num_resources  = ARRAY_SIZE(sx1_irda_resources),
 257         .resource       = sx1_irda_resources,
 258 };
 259
 260 /*----------- MTD -------------------------*/
 261
 262 static struct mtd_partition sx1_partitions[] = {
 263         /* bootloader (U-Boot, etc) in first sector */
 264         {
 265                 .name           = "bootloader",
 266                 .offset         = 0x01800000,
 267                 .size           = SZ_128K,
 268                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
 269         },
 270         /* bootloader params in the next sector */
 271         {
 272                 .name           = "params",
 273                 .offset         = MTDPART_OFS_APPEND,
 274                 .size           = SZ_128K,
 275                 .mask_flags     = 0,
 276         },
 277         /* kernel */
 278         {
 279                 .name           = "kernel",
 280                 .offset         = MTDPART_OFS_APPEND,
 281                 .size           = SZ_2M - 2 * SZ_128K,
 282                 .mask_flags     = 0
 283         },
 284         /* file system */
 285         {
 286                 .name           = "filesystem",
 287                 .offset         = MTDPART_OFS_APPEND,
 288                 .size           = MTDPART_SIZ_FULL,
 289                 .mask_flags     = 0
 290         }
 291 };
 292
 293 static struct physmap_flash_data sx1_flash_data = {
 294         .width          = 2,
 295         .set_vpp        = omap1_set_vpp,
 296         .parts          = sx1_partitions,
 297         .nr_parts       = ARRAY_SIZE(sx1_partitions),
 298 };
 299
 300 #ifdef CONFIG_SX1_OLD_FLASH
 301 /* MTD Intel StrataFlash - old flashes */
 302 static struct resource sx1_old_flash_resource[] = {
 303         [0] = {
 304                 .start  = OMAP_CS0_PHYS,        /* Physical */
 305                 .end    = OMAP_CS0_PHYS + SZ_16M - 1,,
 306                 .flags  = IORESOURCE_MEM,
 307         },
 308         [1] = {
 309                 .start  = OMAP_CS1_PHYS,
 310                 .end    = OMAP_CS1_PHYS + SZ_8M - 1,
 311                 .flags  = IORESOURCE_MEM,
 312         },
 313 };
 314
 315 static struct platform_device sx1_flash_device = {
 316         .name           = "physmap-flash",
 317         .id             = 0,
 318         .dev            = {
 319                 .platform_data  = &sx1_flash_data,
 320         },
 321         .num_resources  = 2,
 322         .resource       = &sx1_old_flash_resource,
 323 };
 324 #else
 325 /* MTD Intel 4000 flash - new flashes */
 326 static struct resource sx1_new_flash_resource = {
 327         .start          = OMAP_CS0_PHYS,
 328         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 329         .flags          = IORESOURCE_MEM,
 330 };
 331
 332 static struct platform_device sx1_flash_device = {
 333         .name           = "physmap-flash",
 334         .id             = 0,
 335         .dev            = {
 336                 .platform_data  = &sx1_flash_data,
 337         },
 338         .num_resources  = 1,
 339         .resource       = &sx1_new_flash_resource,
 340 };
 341 #endif
 342
 343 /*----------- USB -------------------------*/
 344
 345 static struct omap_usb_config sx1_usb_config __initdata = {
 346         .otg            = 0,
 347         .register_dev   = 1,
 348         .register_host  = 0,
 349         .hmc_mode       = 0,
 350         .pins[0]        = 2,
 351         .pins[1]        = 0,
 352         .pins[2]        = 0,
 353 };
 354
 355 /*----------- LCD -------------------------*/
 356
 357 static struct platform_device sx1_lcd_device = {
 358         .name           = "lcd_sx1",
 359         .id             = -1,
 360 };
 361
 362 static struct omap_lcd_config sx1_lcd_config __initdata = {
 363         .ctrl_name      = "internal",
 364 };
 365
 366 /*-----------------------------------------*/
 367 static struct platform_device *sx1_devices[] __initdata = {
 368         &sx1_flash_device,
 369         &sx1_kp_device,
 370         &sx1_lcd_device,
 371         &sx1_irda_device,
 372 };
 373 /*-----------------------------------------*/
 374
 375 static struct omap_board_config_kernel sx1_config[] __initdata = {
 376         { OMAP_TAG_LCD, &sx1_lcd_config },
 377 };
 378
 379 /*-----------------------------------------*/
 380
 381 static void __init omap_sx1_init(void)
 382 {
 383         /* mux pins for uarts */
 384         omap_cfg_reg(UART1_TX);
 385         omap_cfg_reg(UART1_RTS);
 386         omap_cfg_reg(UART2_TX);
 387         omap_cfg_reg(UART2_RTS);
 388         omap_cfg_reg(UART3_TX);
 389         omap_cfg_reg(UART3_RX);
 390
 391         platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
 392
 393         omap_board_config = sx1_config;
 394         omap_board_config_size = ARRAY_SIZE(sx1_config);
 395         omap_serial_init();
 396         omap_register_i2c_bus(1, 100, NULL, 0);
 397         omap1_usb_init(&sx1_usb_config);
 398         sx1_mmc_init();
 399
 400         /* turn on USB power */
 401         /* sx1_setusbpower(1); can't do it here because i2c is not ready */
 402         gpio_request(1, "A_IRDA_OFF");
 403         gpio_request(11, "A_SWITCH");
 404         gpio_request(15, "A_USB_ON");
 405         gpio_direction_output(1, 1);    /*A_IRDA_OFF = 1 */
 406         gpio_direction_output(11, 0);   /*A_SWITCH = 0 */
 407         gpio_direction_output(15, 0);   /*A_USB_ON = 0 */
 408 }
 409 /*----------------------------------------*/
 410 static void __init omap_sx1_init_irq(void)
 411 {
 412         omap1_init_common_hw();
 413         omap1_init_irq();
 414 }
 415 /*----------------------------------------*/
 416
 417 static void __init omap_sx1_map_io(void)
 418 {
 419         omap1_map_common_io();
 420 }
 421
 422 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
 423         .atag_offset    = 0x100,
 424         .map_io         = omap_sx1_map_io,
 425         .reserve        = omap_reserve,
 426         .init_irq       = omap_sx1_init_irq,
 427         .init_machine   = omap_sx1_init,
 428         .timer          = &omap1_timer,
 429 MACHINE_END