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 #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 <mach/flash.h>
  38 #include <mach/mux.h>
  39 #include <linux/omap-dma.h>
  40 #include <mach/irda.h>
  41 #include <mach/tc.h>
  42 #include <mach/board-sx1.h>
  43
  44 #include <mach/hardware.h>
  45 #include <mach/usb.h>
  46
  47 #include "common.h"
  48 #include "dma.h"
  49
  50 /* Write to I2C device */
  51 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
  52 {
  53         struct i2c_adapter *adap;
  54         int err;
  55         struct i2c_msg msg[1];
  56         unsigned char data[2];
  57
  58         adap = i2c_get_adapter(0);
  59         if (!adap)
  60                 return -ENODEV;
  61         msg->addr = devaddr;    /* I2C address of chip */
  62         msg->flags = 0;
  63         msg->len = 2;
  64         msg->buf = data;
  65         data[0] = regoffset;    /* register num */
  66         data[1] = value;                /* register data */
  67         err = i2c_transfer(adap, msg, 1);
  68         i2c_put_adapter(adap);
  69         if (err >= 0)
  70                 return 0;
  71         return err;
  72 }
  73
  74 /* Read from I2C device */
  75 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
  76 {
  77         struct i2c_adapter *adap;
  78         int err;
  79         struct i2c_msg msg[1];
  80         unsigned char data[2];
  81
  82         adap = i2c_get_adapter(0);
  83         if (!adap)
  84                 return -ENODEV;
  85
  86         msg->addr = devaddr;    /* I2C address of chip */
  87         msg->flags = 0;
  88         msg->len = 1;
  89         msg->buf = data;
  90         data[0] = regoffset;    /* register num */
  91         err = i2c_transfer(adap, msg, 1);
  92
  93         msg->addr = devaddr;    /* I2C address */
  94         msg->flags = I2C_M_RD;
  95         msg->len = 1;
  96         msg->buf = data;
  97         err = i2c_transfer(adap, msg, 1);
  98         *value = data[0];
  99         i2c_put_adapter(adap);
 100
 101         if (err >= 0)
 102                 return 0;
 103         return err;
 104 }
 105 /* set keyboard backlight intensity */
 106 int sx1_setkeylight(u8 keylight)
 107 {
 108         if (keylight > SOFIA_MAX_LIGHT_VAL)
 109                 keylight = SOFIA_MAX_LIGHT_VAL;
 110         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 111 }
 112 /* get current keylight intensity */
 113 int sx1_getkeylight(u8 * keylight)
 114 {
 115         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 116 }
 117 /* set LCD backlight intensity */
 118 int sx1_setbacklight(u8 backlight)
 119 {
 120         if (backlight > SOFIA_MAX_LIGHT_VAL)
 121                 backlight = SOFIA_MAX_LIGHT_VAL;
 122         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 123                                   backlight);
 124 }
 125 /* get current LCD backlight intensity */
 126 int sx1_getbacklight (u8 * backlight)
 127 {
 128         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 129                                  backlight);
 130 }
 131 /* set LCD backlight power on/off */
 132 int sx1_setmmipower(u8 onoff)
 133 {
 134         int err;
 135         u8 dat = 0;
 136         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 137         if (err < 0)
 138                 return err;
 139         if (onoff)
 140                 dat |= SOFIA_MMILIGHT_POWER;
 141         else
 142                 dat &= ~SOFIA_MMILIGHT_POWER;
 143         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 144 }
 145
 146 /* set USB power on/off */
 147 int sx1_setusbpower(u8 onoff)
 148 {
 149         int err;
 150         u8 dat = 0;
 151         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 152         if (err < 0)
 153                 return err;
 154         if (onoff)
 155                 dat |= SOFIA_USB_POWER;
 156         else
 157                 dat &= ~SOFIA_USB_POWER;
 158         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 159 }
 160
 161 EXPORT_SYMBOL(sx1_setkeylight);
 162 EXPORT_SYMBOL(sx1_getkeylight);
 163 EXPORT_SYMBOL(sx1_setbacklight);
 164 EXPORT_SYMBOL(sx1_getbacklight);
 165 EXPORT_SYMBOL(sx1_setmmipower);
 166 EXPORT_SYMBOL(sx1_setusbpower);
 167
 168 /*----------- Keypad -------------------------*/
 169
 170 static const unsigned int sx1_keymap[] = {
 171         KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
 172         KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
 173         KEY(4, 1, GROUP_2 | 114), /* voice memo */
 174         KEY(4, 2, GROUP_3 | 114), /* voice memo */
 175         KEY(0, 0, GROUP_1 | KEY_F12),   /* red button Qt::Key_Hangup */
 176         KEY(3, 4, GROUP_1 | KEY_LEFT),
 177         KEY(3, 2, GROUP_1 | KEY_DOWN),
 178         KEY(3, 1, GROUP_1 | KEY_RIGHT),
 179         KEY(3, 0, GROUP_1 | KEY_UP),
 180         KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
 181         KEY(0, 5, GROUP_1 | KEY_1),
 182         KEY(0, 4, GROUP_1 | KEY_2),
 183         KEY(0, 3, GROUP_1 | KEY_3),
 184         KEY(4, 3, GROUP_1 | KEY_4),
 185         KEY(4, 4, GROUP_1 | KEY_5),
 186         KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
 187         KEY(1, 4, GROUP_1 | KEY_6),
 188         KEY(1, 5, GROUP_1 | KEY_7),
 189         KEY(1, 3, GROUP_1 | KEY_8),
 190         KEY(2, 3, GROUP_1 | KEY_9),
 191         KEY(2, 5, GROUP_1 | KEY_0),
 192         KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
 193         KEY(1, 0, GROUP_1 | KEY_F11),   /* green button Qt::Key_Call */
 194         KEY(2, 1, GROUP_1 | KEY_YEN),   /* left soft Qt::Key_Context1 */
 195         KEY(2, 2, GROUP_1 | KEY_F8),    /* right soft Qt::Key_Back */
 196         KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
 197         KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
 198         KEY(2, 0, GROUP_1 | KEY_F7),    /* menu Qt::Key_Menu */
 199 };
 200
 201 static struct resource sx1_kp_resources[] = {
 202         [0] = {
 203                 .start  = INT_KEYBOARD,
 204                 .end    = INT_KEYBOARD,
 205                 .flags  = IORESOURCE_IRQ,
 206         },
 207 };
 208
 209 static const struct matrix_keymap_data sx1_keymap_data = {
 210         .keymap         = sx1_keymap,
 211         .keymap_size    = ARRAY_SIZE(sx1_keymap),
 212 };
 213
 214 static struct omap_kp_platform_data sx1_kp_data = {
 215         .rows           = 6,
 216         .cols           = 6,
 217         .keymap_data    = &sx1_keymap_data,
 218         .delay  = 80,
 219 };
 220
 221 static struct platform_device sx1_kp_device = {
 222         .name           = "omap-keypad",
 223         .id             = -1,
 224         .dev            = {
 225                 .platform_data = &sx1_kp_data,
 226         },
 227         .num_resources  = ARRAY_SIZE(sx1_kp_resources),
 228         .resource       = sx1_kp_resources,
 229 };
 230
 231 /*----------- IRDA -------------------------*/
 232
 233 static struct omap_irda_config sx1_irda_data = {
 234         .transceiver_cap        = IR_SIRMODE,
 235         .rx_channel             = OMAP_DMA_UART3_RX,
 236         .tx_channel             = OMAP_DMA_UART3_TX,
 237         .dest_start             = UART3_THR,
 238         .src_start              = UART3_RHR,
 239         .tx_trigger             = 0,
 240         .rx_trigger             = 0,
 241 };
 242
 243 static struct resource sx1_irda_resources[] = {
 244         [0] = {
 245                 .start  = INT_UART3,
 246                 .end    = INT_UART3,
 247                 .flags  = IORESOURCE_IRQ,
 248         },
 249 };
 250
 251 static u64 irda_dmamask = 0xffffffff;
 252
 253 static struct platform_device sx1_irda_device = {
 254         .name           = "omapirda",
 255         .id             = 0,
 256         .dev            = {
 257                 .platform_data  = &sx1_irda_data,
 258                 .dma_mask       = &irda_dmamask,
 259         },
 260         .num_resources  = ARRAY_SIZE(sx1_irda_resources),
 261         .resource       = sx1_irda_resources,
 262 };
 263
 264 /*----------- MTD -------------------------*/
 265
 266 static struct mtd_partition sx1_partitions[] = {
 267         /* bootloader (U-Boot, etc) in first sector */
 268         {
 269                 .name           = "bootloader",
 270                 .offset         = 0x01800000,
 271                 .size           = SZ_128K,
 272                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
 273         },
 274         /* bootloader params in the next sector */
 275         {
 276                 .name           = "params",
 277                 .offset         = MTDPART_OFS_APPEND,
 278                 .size           = SZ_128K,
 279                 .mask_flags     = 0,
 280         },
 281         /* kernel */
 282         {
 283                 .name           = "kernel",
 284                 .offset         = MTDPART_OFS_APPEND,
 285                 .size           = SZ_2M - 2 * SZ_128K,
 286                 .mask_flags     = 0
 287         },
 288         /* file system */
 289         {
 290                 .name           = "filesystem",
 291                 .offset         = MTDPART_OFS_APPEND,
 292                 .size           = MTDPART_SIZ_FULL,
 293                 .mask_flags     = 0
 294         }
 295 };
 296
 297 static struct physmap_flash_data sx1_flash_data = {
 298         .width          = 2,
 299         .set_vpp        = omap1_set_vpp,
 300         .parts          = sx1_partitions,
 301         .nr_parts       = ARRAY_SIZE(sx1_partitions),
 302 };
 303
 304 #ifdef CONFIG_SX1_OLD_FLASH
 305 /* MTD Intel StrataFlash - old flashes */
 306 static struct resource sx1_old_flash_resource[] = {
 307         [0] = {
 308                 .start  = OMAP_CS0_PHYS,        /* Physical */
 309                 .end    = OMAP_CS0_PHYS + SZ_16M - 1,,
 310                 .flags  = IORESOURCE_MEM,
 311         },
 312         [1] = {
 313                 .start  = OMAP_CS1_PHYS,
 314                 .end    = OMAP_CS1_PHYS + SZ_8M - 1,
 315                 .flags  = IORESOURCE_MEM,
 316         },
 317 };
 318
 319 static struct platform_device sx1_flash_device = {
 320         .name           = "physmap-flash",
 321         .id             = 0,
 322         .dev            = {
 323                 .platform_data  = &sx1_flash_data,
 324         },
 325         .num_resources  = 2,
 326         .resource       = &sx1_old_flash_resource,
 327 };
 328 #else
 329 /* MTD Intel 4000 flash - new flashes */
 330 static struct resource sx1_new_flash_resource = {
 331         .start          = OMAP_CS0_PHYS,
 332         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 333         .flags          = IORESOURCE_MEM,
 334 };
 335
 336 static struct platform_device sx1_flash_device = {
 337         .name           = "physmap-flash",
 338         .id             = 0,
 339         .dev            = {
 340                 .platform_data  = &sx1_flash_data,
 341         },
 342         .num_resources  = 1,
 343         .resource       = &sx1_new_flash_resource,
 344 };
 345 #endif
 346
 347 /*----------- USB -------------------------*/
 348
 349 static struct omap_usb_config sx1_usb_config __initdata = {
 350         .otg            = 0,
 351         .register_dev   = 1,
 352         .register_host  = 0,
 353         .hmc_mode       = 0,
 354         .pins[0]        = 2,
 355         .pins[1]        = 0,
 356         .pins[2]        = 0,
 357 };
 358
 359 /*----------- LCD -------------------------*/
 360
 361 static struct omap_lcd_config sx1_lcd_config __initdata = {
 362         .ctrl_name      = "internal",
 363 };
 364
 365 /*-----------------------------------------*/
 366 static struct platform_device *sx1_devices[] __initdata = {
 367         &sx1_flash_device,
 368         &sx1_kp_device,
 369         &sx1_irda_device,
 370 };
 371
 372 /*-----------------------------------------*/
 373
 374 static void __init omap_sx1_init(void)
 375 {
 376         /* mux pins for uarts */
 377         omap_cfg_reg(UART1_TX);
 378         omap_cfg_reg(UART1_RTS);
 379         omap_cfg_reg(UART2_TX);
 380         omap_cfg_reg(UART2_RTS);
 381         omap_cfg_reg(UART3_TX);
 382         omap_cfg_reg(UART3_RX);
 383
 384         platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
 385
 386         omap_serial_init();
 387         omap_register_i2c_bus(1, 100, NULL, 0);
 388         omap1_usb_init(&sx1_usb_config);
 389         sx1_mmc_init();
 390
 391         /* turn on USB power */
 392         /* sx1_setusbpower(1); can't do it here because i2c is not ready */
 393         gpio_request(1, "A_IRDA_OFF");
 394         gpio_request(11, "A_SWITCH");
 395         gpio_request(15, "A_USB_ON");
 396         gpio_direction_output(1, 1);    /*A_IRDA_OFF = 1 */
 397         gpio_direction_output(11, 0);   /*A_SWITCH = 0 */
 398         gpio_direction_output(15, 0);   /*A_USB_ON = 0 */
 399
 400         omapfb_set_lcd_config(&sx1_lcd_config);
 401 }
 402
 403 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
 404         .atag_offset    = 0x100,
 405         .map_io         = omap15xx_map_io,
 406         .init_early     = omap1_init_early,
 407         .init_irq       = omap1_init_irq,
 408         .init_machine   = omap_sx1_init,
 409         .init_late      = omap1_init_late,
 410         .init_time      = omap1_timer_init,
 411         .restart        = omap1_restart,
 412 MACHINE_END