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 #include <linux/export.h>
  30
  31 #include <mach/hardware.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35
  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 const unsigned int sx1_keymap[] = {
 168         KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
 169         KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
 170         KEY(4, 1, GROUP_2 | 114), /* voice memo */
 171         KEY(4, 2, GROUP_3 | 114), /* voice memo */
 172         KEY(0, 0, GROUP_1 | KEY_F12),   /* red button Qt::Key_Hangup */
 173         KEY(3, 4, GROUP_1 | KEY_LEFT),
 174         KEY(3, 2, GROUP_1 | KEY_DOWN),
 175         KEY(3, 1, GROUP_1 | KEY_RIGHT),
 176         KEY(3, 0, GROUP_1 | KEY_UP),
 177         KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
 178         KEY(0, 5, GROUP_1 | KEY_1),
 179         KEY(0, 4, GROUP_1 | KEY_2),
 180         KEY(0, 3, GROUP_1 | KEY_3),
 181         KEY(4, 3, GROUP_1 | KEY_4),
 182         KEY(4, 4, GROUP_1 | KEY_5),
 183         KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
 184         KEY(1, 4, GROUP_1 | KEY_6),
 185         KEY(1, 5, GROUP_1 | KEY_7),
 186         KEY(1, 3, GROUP_1 | KEY_8),
 187         KEY(2, 3, GROUP_1 | KEY_9),
 188         KEY(2, 5, GROUP_1 | KEY_0),
 189         KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
 190         KEY(1, 0, GROUP_1 | KEY_F11),   /* green button Qt::Key_Call */
 191         KEY(2, 1, GROUP_1 | KEY_YEN),   /* left soft Qt::Key_Context1 */
 192         KEY(2, 2, GROUP_1 | KEY_F8),    /* right soft Qt::Key_Back */
 193         KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
 194         KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
 195         KEY(2, 0, GROUP_1 | KEY_F7),    /* menu Qt::Key_Menu */
 196 };
 197
 198 static struct resource sx1_kp_resources[] = {
 199         [0] = {
 200                 .start  = INT_KEYBOARD,
 201                 .end    = INT_KEYBOARD,
 202                 .flags  = IORESOURCE_IRQ,
 203         },
 204 };
 205
 206 static const struct matrix_keymap_data sx1_keymap_data = {
 207         .keymap         = sx1_keymap,
 208         .keymap_size    = ARRAY_SIZE(sx1_keymap),
 209 };
 210
 211 static struct omap_kp_platform_data sx1_kp_data = {
 212         .rows           = 6,
 213         .cols           = 6,
 214         .keymap_data    = &sx1_keymap_data,
 215         .delay  = 80,
 216 };
 217
 218 static struct platform_device sx1_kp_device = {
 219         .name           = "omap-keypad",
 220         .id             = -1,
 221         .dev            = {
 222                 .platform_data = &sx1_kp_data,
 223         },
 224         .num_resources  = ARRAY_SIZE(sx1_kp_resources),
 225         .resource       = sx1_kp_resources,
 226 };
 227
 228 /*----------- IRDA -------------------------*/
 229
 230 static struct omap_irda_config sx1_irda_data = {
 231         .transceiver_cap        = IR_SIRMODE,
 232         .rx_channel             = OMAP_DMA_UART3_RX,
 233         .tx_channel             = OMAP_DMA_UART3_TX,
 234         .dest_start             = UART3_THR,
 235         .src_start              = UART3_RHR,
 236         .tx_trigger             = 0,
 237         .rx_trigger             = 0,
 238 };
 239
 240 static struct resource sx1_irda_resources[] = {
 241         [0] = {
 242                 .start  = INT_UART3,
 243                 .end    = INT_UART3,
 244                 .flags  = IORESOURCE_IRQ,
 245         },
 246 };
 247
 248 static u64 irda_dmamask = 0xffffffff;
 249
 250 static struct platform_device sx1_irda_device = {
 251         .name           = "omapirda",
 252         .id             = 0,
 253         .dev            = {
 254                 .platform_data  = &sx1_irda_data,
 255                 .dma_mask       = &irda_dmamask,
 256         },
 257         .num_resources  = ARRAY_SIZE(sx1_irda_resources),
 258         .resource       = sx1_irda_resources,
 259 };
 260
 261 /*----------- MTD -------------------------*/
 262
 263 static struct mtd_partition sx1_partitions[] = {
 264         /* bootloader (U-Boot, etc) in first sector */
 265         {
 266                 .name           = "bootloader",
 267                 .offset         = 0x01800000,
 268                 .size           = SZ_128K,
 269                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
 270         },
 271         /* bootloader params in the next sector */
 272         {
 273                 .name           = "params",
 274                 .offset         = MTDPART_OFS_APPEND,
 275                 .size           = SZ_128K,
 276                 .mask_flags     = 0,
 277         },
 278         /* kernel */
 279         {
 280                 .name           = "kernel",
 281                 .offset         = MTDPART_OFS_APPEND,
 282                 .size           = SZ_2M - 2 * SZ_128K,
 283                 .mask_flags     = 0
 284         },
 285         /* file system */
 286         {
 287                 .name           = "filesystem",
 288                 .offset         = MTDPART_OFS_APPEND,
 289                 .size           = MTDPART_SIZ_FULL,
 290                 .mask_flags     = 0
 291         }
 292 };
 293
 294 static struct physmap_flash_data sx1_flash_data = {
 295         .width          = 2,
 296         .set_vpp        = omap1_set_vpp,
 297         .parts          = sx1_partitions,
 298         .nr_parts       = ARRAY_SIZE(sx1_partitions),
 299 };
 300
 301 #ifdef CONFIG_SX1_OLD_FLASH
 302 /* MTD Intel StrataFlash - old flashes */
 303 static struct resource sx1_old_flash_resource[] = {
 304         [0] = {
 305                 .start  = OMAP_CS0_PHYS,        /* Physical */
 306                 .end    = OMAP_CS0_PHYS + SZ_16M - 1,,
 307                 .flags  = IORESOURCE_MEM,
 308         },
 309         [1] = {
 310                 .start  = OMAP_CS1_PHYS,
 311                 .end    = OMAP_CS1_PHYS + SZ_8M - 1,
 312                 .flags  = IORESOURCE_MEM,
 313         },
 314 };
 315
 316 static struct platform_device sx1_flash_device = {
 317         .name           = "physmap-flash",
 318         .id             = 0,
 319         .dev            = {
 320                 .platform_data  = &sx1_flash_data,
 321         },
 322         .num_resources  = 2,
 323         .resource       = &sx1_old_flash_resource,
 324 };
 325 #else
 326 /* MTD Intel 4000 flash - new flashes */
 327 static struct resource sx1_new_flash_resource = {
 328         .start          = OMAP_CS0_PHYS,
 329         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 330         .flags          = IORESOURCE_MEM,
 331 };
 332
 333 static struct platform_device sx1_flash_device = {
 334         .name           = "physmap-flash",
 335         .id             = 0,
 336         .dev            = {
 337                 .platform_data  = &sx1_flash_data,
 338         },
 339         .num_resources  = 1,
 340         .resource       = &sx1_new_flash_resource,
 341 };
 342 #endif
 343
 344 /*----------- USB -------------------------*/
 345
 346 static struct omap_usb_config sx1_usb_config __initdata = {
 347         .otg            = 0,
 348         .register_dev   = 1,
 349         .register_host  = 0,
 350         .hmc_mode       = 0,
 351         .pins[0]        = 2,
 352         .pins[1]        = 0,
 353         .pins[2]        = 0,
 354 };
 355
 356 /*----------- LCD -------------------------*/
 357
 358 static struct platform_device sx1_lcd_device = {
 359         .name           = "lcd_sx1",
 360         .id             = -1,
 361 };
 362
 363 static struct omap_lcd_config sx1_lcd_config __initdata = {
 364         .ctrl_name      = "internal",
 365 };
 366
 367 /*-----------------------------------------*/
 368 static struct platform_device *sx1_devices[] __initdata = {
 369         &sx1_flash_device,
 370         &sx1_kp_device,
 371         &sx1_lcd_device,
 372         &sx1_irda_device,
 373 };
 374 /*-----------------------------------------*/
 375
 376 static struct omap_board_config_kernel sx1_config[] __initdata = {
 377         { OMAP_TAG_LCD, &sx1_lcd_config },
 378 };
 379
 380 /*-----------------------------------------*/
 381
 382 static void __init omap_sx1_init(void)
 383 {
 384         /* mux pins for uarts */
 385         omap_cfg_reg(UART1_TX);
 386         omap_cfg_reg(UART1_RTS);
 387         omap_cfg_reg(UART2_TX);
 388         omap_cfg_reg(UART2_RTS);
 389         omap_cfg_reg(UART3_TX);
 390         omap_cfg_reg(UART3_RX);
 391
 392         platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
 393
 394         omap_board_config = sx1_config;
 395         omap_board_config_size = ARRAY_SIZE(sx1_config);
 396         omap_serial_init();
 397         omap_register_i2c_bus(1, 100, NULL, 0);
 398         omap1_usb_init(&sx1_usb_config);
 399         sx1_mmc_init();
 400
 401         /* turn on USB power */
 402         /* sx1_setusbpower(1); can't do it here because i2c is not ready */
 403         gpio_request(1, "A_IRDA_OFF");
 404         gpio_request(11, "A_SWITCH");
 405         gpio_request(15, "A_USB_ON");
 406         gpio_direction_output(1, 1);    /*A_IRDA_OFF = 1 */
 407         gpio_direction_output(11, 0);   /*A_SWITCH = 0 */
 408         gpio_direction_output(15, 0);   /*A_USB_ON = 0 */
 409 }
 410 /*----------------------------------------*/
 411 static void __init omap_sx1_init_irq(void)
 412 {
 413         omap1_init_common_hw();
 414         omap1_init_irq();
 415 }
 416 /*----------------------------------------*/
 417
 418 static void __init omap_sx1_map_io(void)
 419 {
 420         omap1_map_common_io();
 421 }
 422
 423 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
 424         .atag_offset    = 0x100,
 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          = &omap1_timer,
 430 MACHINE_END