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 <plat/dma.h>
  40 #include <mach/irda.h>
  41 #include <plat/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
  49 /* Write to I2C device */
  50 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
  51 {
  52         struct i2c_adapter *adap;
  53         int err;
  54         struct i2c_msg msg[1];
  55         unsigned char data[2];
  56
  57         adap = i2c_get_adapter(0);
  58         if (!adap)
  59                 return -ENODEV;
  60         msg->addr = devaddr;    /* I2C address of chip */
  61         msg->flags = 0;
  62         msg->len = 2;
  63         msg->buf = data;
  64         data[0] = regoffset;    /* register num */
  65         data[1] = value;                /* register data */
  66         err = i2c_transfer(adap, msg, 1);
  67         i2c_put_adapter(adap);
  68         if (err >= 0)
  69                 return 0;
  70         return err;
  71 }
  72
  73 /* Read from I2C device */
  74 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
  75 {
  76         struct i2c_adapter *adap;
  77         int err;
  78         struct i2c_msg msg[1];
  79         unsigned char data[2];
  80
  81         adap = i2c_get_adapter(0);
  82         if (!adap)
  83                 return -ENODEV;
  84
  85         msg->addr = devaddr;    /* I2C address of chip */
  86         msg->flags = 0;
  87         msg->len = 1;
  88         msg->buf = data;
  89         data[0] = regoffset;    /* register num */
  90         err = i2c_transfer(adap, msg, 1);
  91
  92         msg->addr = devaddr;    /* I2C address */
  93         msg->flags = I2C_M_RD;
  94         msg->len = 1;
  95         msg->buf = data;
  96         err = i2c_transfer(adap, msg, 1);
  97         *value = data[0];
  98         i2c_put_adapter(adap);
  99
 100         if (err >= 0)
 101                 return 0;
 102         return err;
 103 }
 104 /* set keyboard backlight intensity */
 105 int sx1_setkeylight(u8 keylight)
 106 {
 107         if (keylight > SOFIA_MAX_LIGHT_VAL)
 108                 keylight = SOFIA_MAX_LIGHT_VAL;
 109         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 110 }
 111 /* get current keylight intensity */
 112 int sx1_getkeylight(u8 * keylight)
 113 {
 114         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 115 }
 116 /* set LCD backlight intensity */
 117 int sx1_setbacklight(u8 backlight)
 118 {
 119         if (backlight > SOFIA_MAX_LIGHT_VAL)
 120                 backlight = SOFIA_MAX_LIGHT_VAL;
 121         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 122                                   backlight);
 123 }
 124 /* get current LCD backlight intensity */
 125 int sx1_getbacklight (u8 * backlight)
 126 {
 127         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 128                                  backlight);
 129 }
 130 /* set LCD backlight power on/off */
 131 int sx1_setmmipower(u8 onoff)
 132 {
 133         int err;
 134         u8 dat = 0;
 135         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 136         if (err < 0)
 137                 return err;
 138         if (onoff)
 139                 dat |= SOFIA_MMILIGHT_POWER;
 140         else
 141                 dat &= ~SOFIA_MMILIGHT_POWER;
 142         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 143 }
 144
 145 /* set USB power on/off */
 146 int sx1_setusbpower(u8 onoff)
 147 {
 148         int err;
 149         u8 dat = 0;
 150         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 151         if (err < 0)
 152                 return err;
 153         if (onoff)
 154                 dat |= SOFIA_USB_POWER;
 155         else
 156                 dat &= ~SOFIA_USB_POWER;
 157         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 158 }
 159
 160 EXPORT_SYMBOL(sx1_setkeylight);
 161 EXPORT_SYMBOL(sx1_getkeylight);
 162 EXPORT_SYMBOL(sx1_setbacklight);
 163 EXPORT_SYMBOL(sx1_getbacklight);
 164 EXPORT_SYMBOL(sx1_setmmipower);
 165 EXPORT_SYMBOL(sx1_setusbpower);
 166
 167 /*----------- Keypad -------------------------*/
 168
 169 static const unsigned int sx1_keymap[] = {
 170         KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
 171         KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
 172         KEY(4, 1, GROUP_2 | 114), /* voice memo */
 173         KEY(4, 2, GROUP_3 | 114), /* voice memo */
 174         KEY(0, 0, GROUP_1 | KEY_F12),   /* red button Qt::Key_Hangup */
 175         KEY(3, 4, GROUP_1 | KEY_LEFT),
 176         KEY(3, 2, GROUP_1 | KEY_DOWN),
 177         KEY(3, 1, GROUP_1 | KEY_RIGHT),
 178         KEY(3, 0, GROUP_1 | KEY_UP),
 179         KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
 180         KEY(0, 5, GROUP_1 | KEY_1),
 181         KEY(0, 4, GROUP_1 | KEY_2),
 182         KEY(0, 3, GROUP_1 | KEY_3),
 183         KEY(4, 3, GROUP_1 | KEY_4),
 184         KEY(4, 4, GROUP_1 | KEY_5),
 185         KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
 186         KEY(1, 4, GROUP_1 | KEY_6),
 187         KEY(1, 5, GROUP_1 | KEY_7),
 188         KEY(1, 3, GROUP_1 | KEY_8),
 189         KEY(2, 3, GROUP_1 | KEY_9),
 190         KEY(2, 5, GROUP_1 | KEY_0),
 191         KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
 192         KEY(1, 0, GROUP_1 | KEY_F11),   /* green button Qt::Key_Call */
 193         KEY(2, 1, GROUP_1 | KEY_YEN),   /* left soft Qt::Key_Context1 */
 194         KEY(2, 2, GROUP_1 | KEY_F8),    /* right soft Qt::Key_Back */
 195         KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
 196         KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
 197         KEY(2, 0, GROUP_1 | KEY_F7),    /* menu Qt::Key_Menu */
 198 };
 199
 200 static struct resource sx1_kp_resources[] = {
 201         [0] = {
 202                 .start  = INT_KEYBOARD,
 203                 .end    = INT_KEYBOARD,
 204                 .flags  = IORESOURCE_IRQ,
 205         },
 206 };
 207
 208 static const struct matrix_keymap_data sx1_keymap_data = {
 209         .keymap         = sx1_keymap,
 210         .keymap_size    = ARRAY_SIZE(sx1_keymap),
 211 };
 212
 213 static struct omap_kp_platform_data sx1_kp_data = {
 214         .rows           = 6,
 215         .cols           = 6,
 216         .keymap_data    = &sx1_keymap_data,
 217         .delay  = 80,
 218 };
 219
 220 static struct platform_device sx1_kp_device = {
 221         .name           = "omap-keypad",
 222         .id             = -1,
 223         .dev            = {
 224                 .platform_data = &sx1_kp_data,
 225         },
 226         .num_resources  = ARRAY_SIZE(sx1_kp_resources),
 227         .resource       = sx1_kp_resources,
 228 };
 229
 230 /*----------- IRDA -------------------------*/
 231
 232 static struct omap_irda_config sx1_irda_data = {
 233         .transceiver_cap        = IR_SIRMODE,
 234         .rx_channel             = OMAP_DMA_UART3_RX,
 235         .tx_channel             = OMAP_DMA_UART3_TX,
 236         .dest_start             = UART3_THR,
 237         .src_start              = UART3_RHR,
 238         .tx_trigger             = 0,
 239         .rx_trigger             = 0,
 240 };
 241
 242 static struct resource sx1_irda_resources[] = {
 243         [0] = {
 244                 .start  = INT_UART3,
 245                 .end    = INT_UART3,
 246                 .flags  = IORESOURCE_IRQ,
 247         },
 248 };
 249
 250 static u64 irda_dmamask = 0xffffffff;
 251
 252 static struct platform_device sx1_irda_device = {
 253         .name           = "omapirda",
 254         .id             = 0,
 255         .dev            = {
 256                 .platform_data  = &sx1_irda_data,
 257                 .dma_mask       = &irda_dmamask,
 258         },
 259         .num_resources  = ARRAY_SIZE(sx1_irda_resources),
 260         .resource       = sx1_irda_resources,
 261 };
 262
 263 /*----------- MTD -------------------------*/
 264
 265 static struct mtd_partition sx1_partitions[] = {
 266         /* bootloader (U-Boot, etc) in first sector */
 267         {
 268                 .name           = "bootloader",
 269                 .offset         = 0x01800000,
 270                 .size           = SZ_128K,
 271                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
 272         },
 273         /* bootloader params in the next sector */
 274         {
 275                 .name           = "params",
 276                 .offset         = MTDPART_OFS_APPEND,
 277                 .size           = SZ_128K,
 278                 .mask_flags     = 0,
 279         },
 280         /* kernel */
 281         {
 282                 .name           = "kernel",
 283                 .offset         = MTDPART_OFS_APPEND,
 284                 .size           = SZ_2M - 2 * SZ_128K,
 285                 .mask_flags     = 0
 286         },
 287         /* file system */
 288         {
 289                 .name           = "filesystem",
 290                 .offset         = MTDPART_OFS_APPEND,
 291                 .size           = MTDPART_SIZ_FULL,
 292                 .mask_flags     = 0
 293         }
 294 };
 295
 296 static struct physmap_flash_data sx1_flash_data = {
 297         .width          = 2,
 298         .set_vpp        = omap1_set_vpp,
 299         .parts          = sx1_partitions,
 300         .nr_parts       = ARRAY_SIZE(sx1_partitions),
 301 };
 302
 303 #ifdef CONFIG_SX1_OLD_FLASH
 304 /* MTD Intel StrataFlash - old flashes */
 305 static struct resource sx1_old_flash_resource[] = {
 306         [0] = {
 307                 .start  = OMAP_CS0_PHYS,        /* Physical */
 308                 .end    = OMAP_CS0_PHYS + SZ_16M - 1,,
 309                 .flags  = IORESOURCE_MEM,
 310         },
 311         [1] = {
 312                 .start  = OMAP_CS1_PHYS,
 313                 .end    = OMAP_CS1_PHYS + SZ_8M - 1,
 314                 .flags  = IORESOURCE_MEM,
 315         },
 316 };
 317
 318 static struct platform_device sx1_flash_device = {
 319         .name           = "physmap-flash",
 320         .id             = 0,
 321         .dev            = {
 322                 .platform_data  = &sx1_flash_data,
 323         },
 324         .num_resources  = 2,
 325         .resource       = &sx1_old_flash_resource,
 326 };
 327 #else
 328 /* MTD Intel 4000 flash - new flashes */
 329 static struct resource sx1_new_flash_resource = {
 330         .start          = OMAP_CS0_PHYS,
 331         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 332         .flags          = IORESOURCE_MEM,
 333 };
 334
 335 static struct platform_device sx1_flash_device = {
 336         .name           = "physmap-flash",
 337         .id             = 0,
 338         .dev            = {
 339                 .platform_data  = &sx1_flash_data,
 340         },
 341         .num_resources  = 1,
 342         .resource       = &sx1_new_flash_resource,
 343 };
 344 #endif
 345
 346 /*----------- USB -------------------------*/
 347
 348 static struct omap_usb_config sx1_usb_config __initdata = {
 349         .otg            = 0,
 350         .register_dev   = 1,
 351         .register_host  = 0,
 352         .hmc_mode       = 0,
 353         .pins[0]        = 2,
 354         .pins[1]        = 0,
 355         .pins[2]        = 0,
 356 };
 357
 358 /*----------- LCD -------------------------*/
 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_irda_device,
 369 };
 370
 371 /*-----------------------------------------*/
 372
 373 static void __init omap_sx1_init(void)
 374 {
 375         /* mux pins for uarts */
 376         omap_cfg_reg(UART1_TX);
 377         omap_cfg_reg(UART1_RTS);
 378         omap_cfg_reg(UART2_TX);
 379         omap_cfg_reg(UART2_RTS);
 380         omap_cfg_reg(UART3_TX);
 381         omap_cfg_reg(UART3_RX);
 382
 383         platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
 384
 385         omap_serial_init();
 386         omap_register_i2c_bus(1, 100, NULL, 0);
 387         omap1_usb_init(&sx1_usb_config);
 388         sx1_mmc_init();
 389
 390         /* turn on USB power */
 391         /* sx1_setusbpower(1); can't do it here because i2c is not ready */
 392         gpio_request(1, "A_IRDA_OFF");
 393         gpio_request(11, "A_SWITCH");
 394         gpio_request(15, "A_USB_ON");
 395         gpio_direction_output(1, 1);    /*A_IRDA_OFF = 1 */
 396         gpio_direction_output(11, 0);   /*A_SWITCH = 0 */
 397         gpio_direction_output(15, 0);   /*A_USB_ON = 0 */
 398
 399         omapfb_set_lcd_config(&sx1_lcd_config);
 400 }
 401
 402 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
 403         .atag_offset    = 0x100,
 404         .map_io         = omap15xx_map_io,
 405         .init_early     = omap1_init_early,
 406         .reserve        = omap_reserve,
 407         .init_irq       = omap1_init_irq,
 408         .init_machine   = omap_sx1_init,
 409         .init_late      = omap1_init_late,
 410         .timer          = &omap1_timer,
 411         .restart        = omap1_restart,
 412 MACHINE_END