arch/arm/mach-s3c/mach-h1940.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Copyright (c) 2003-2005 Simtec Electronics
   4 //   Ben Dooks <ben@simtec.co.uk>
   5 //
   6 // https://www.handhelds.org/projects/h1940.html
   7
   8 #include <linux/kernel.h>
   9 #include <linux/types.h>
  10 #include <linux/interrupt.h>
  11 #include <linux/list.h>
  12 #include <linux/memblock.h>
  13 #include <linux/timer.h>
  14 #include <linux/init.h>
  15 #include <linux/device.h>
  16 #include <linux/serial_core.h>
  17 #include <linux/serial_s3c.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/io.h>
  20 #include <linux/gpio.h>
  21 #include <linux/gpio/machine.h>
  22 #include <linux/input.h>
  23 #include <linux/gpio_keys.h>
  24 #include <linux/pwm.h>
  25 #include <linux/pwm_backlight.h>
  26 #include <linux/i2c.h>
  27 #include <linux/leds.h>
  28 #include <linux/pda_power.h>
  29 #include <linux/s3c_adc_battery.h>
  30 #include <linux/delay.h>
  31
  32 #include <video/platform_lcd.h>
  33
  34 #include <linux/mmc/host.h>
  35 #include <linux/export.h>
  36
  37 #include <asm/irq.h>
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41 #include <asm/mach/irq.h>
  42
  43 #include <linux/platform_data/i2c-s3c2410.h>
  44 #include <linux/platform_data/mmc-s3cmci.h>
  45 #include <linux/platform_data/touchscreen-s3c2410.h>
  46 #include <linux/platform_data/usb-s3c2410_udc.h>
  47
  48 #include <sound/uda1380.h>
  49
  50 #include <linux/platform_data/fb-s3c2410.h>
  51 #include "map.h"
  52 #include "hardware-s3c24xx.h"
  53 #include "regs-clock.h"
  54 #include "regs-gpio.h"
  55 #include "gpio-samsung.h"
  56
  57 #include "cpu.h"
  58 #include "devs.h"
  59 #include "gpio-cfg.h"
  60 #include "pm.h"
  61
  62 #include "s3c24xx.h"
  63 #include "h1940.h"
  64
  65 #define H1940_LATCH             ((void __force __iomem *)0xF8000000)
  66
  67 #define H1940_PA_LATCH          S3C2410_CS2
  68
  69 #define H1940_LATCH_BIT(x)      (1 << ((x) + 16 - S3C_GPIO_END))
  70
  71 #define S3C24XX_PLL_MDIV_SHIFT         (12)
  72 #define S3C24XX_PLL_PDIV_SHIFT         (4)
  73 #define S3C24XX_PLL_SDIV_SHIFT         (0)
  74
  75 static struct map_desc h1940_iodesc[] __initdata = {
  76         [0] = {
  77                 .virtual        = (unsigned long)H1940_LATCH,
  78                 .pfn            = __phys_to_pfn(H1940_PA_LATCH),
  79                 .length         = SZ_16K,
  80                 .type           = MT_DEVICE
  81         },
  82 };
  83
  84 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  85 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  86 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  87
  88 static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
  89         [0] = {
  90                 .hwport      = 0,
  91                 .flags       = 0,
  92                 .ucon        = 0x3c5,
  93                 .ulcon       = 0x03,
  94                 .ufcon       = 0x51,
  95         },
  96         [1] = {
  97                 .hwport      = 1,
  98                 .flags       = 0,
  99                 .ucon        = 0x245,
 100                 .ulcon       = 0x03,
 101                 .ufcon       = 0x00,
 102         },
 103         /* IR port */
 104         [2] = {
 105                 .hwport      = 2,
 106                 .flags       = 0,
 107                 .uart_flags  = UPF_CONS_FLOW,
 108                 .ucon        = 0x3c5,
 109                 .ulcon       = 0x43,
 110                 .ufcon       = 0x51,
 111         }
 112 };
 113
 114 /* Board control latch control */
 115
 116 static unsigned int latch_state;
 117
 118 static void h1940_latch_control(unsigned int clear, unsigned int set)
 119 {
 120         unsigned long flags;
 121
 122         local_irq_save(flags);
 123
 124         latch_state &= ~clear;
 125         latch_state |= set;
 126
 127         __raw_writel(latch_state, H1940_LATCH);
 128
 129         local_irq_restore(flags);
 130 }
 131
 132 static inline int h1940_gpiolib_to_latch(int offset)
 133 {
 134         return 1 << (offset + 16);
 135 }
 136
 137 static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
 138                                         unsigned offset, int value)
 139 {
 140         int latch_bit = h1940_gpiolib_to_latch(offset);
 141
 142         h1940_latch_control(value ? 0 : latch_bit,
 143                 value ? latch_bit : 0);
 144 }
 145
 146 static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
 147                                         unsigned offset, int value)
 148 {
 149         h1940_gpiolib_latch_set(chip, offset, value);
 150         return 0;
 151 }
 152
 153 static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
 154                                         unsigned offset)
 155 {
 156         return (latch_state >> (offset + 16)) & 1;
 157 }
 158
 159 static struct gpio_chip h1940_latch_gpiochip = {
 160         .base                   = H1940_LATCH_GPIO(0),
 161         .owner                  = THIS_MODULE,
 162         .label                  = "H1940_LATCH",
 163         .ngpio                  = 16,
 164         .direction_output       = h1940_gpiolib_latch_output,
 165         .set                    = h1940_gpiolib_latch_set,
 166         .get                    = h1940_gpiolib_latch_get,
 167 };
 168
 169 static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
 170         .vbus_pin               = S3C2410_GPG(5),
 171         .vbus_pin_inverted      = 1,
 172         .pullup_pin             = H1940_LATCH_USB_DP,
 173 };
 174
 175 static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
 176                 .delay = 10000,
 177                 .presc = 49,
 178                 .oversampling_shift = 2,
 179                 .cfg_gpio = s3c24xx_ts_cfg_gpio,
 180 };
 181
 182 /*
 183  * Set lcd on or off
 184  */
 185 static struct s3c2410fb_display h1940_lcd __initdata = {
 186         .lcdcon5=       S3C2410_LCDCON5_FRM565 | \
 187                         S3C2410_LCDCON5_INVVLINE | \
 188                         S3C2410_LCDCON5_HWSWP,
 189
 190         .type =         S3C2410_LCDCON1_TFT,
 191         .width =        240,
 192         .height =       320,
 193         .pixclock =     260000,
 194         .xres =         240,
 195         .yres =         320,
 196         .bpp =          16,
 197         .left_margin =  8,
 198         .right_margin = 20,
 199         .hsync_len =    4,
 200         .upper_margin = 8,
 201         .lower_margin = 7,
 202         .vsync_len =    1,
 203 };
 204
 205 static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
 206         .displays = &h1940_lcd,
 207         .num_displays = 1,
 208         .default_display = 0,
 209
 210         .lpcsel =       0x02,
 211         .gpccon =       0xaa940659,
 212         .gpccon_mask =  0xffffc0f0,
 213         .gpccon_reg =   S3C2410_GPCCON,
 214         .gpcup =        0x0000ffff,
 215         .gpcup_mask =   0xffffffff,
 216         .gpcup_reg =    S3C2410_GPCUP,
 217         .gpdcon =       0xaa84aaa0,
 218         .gpdcon_mask =  0xffffffff,
 219         .gpdcon_reg =   S3C2410_GPDCON,
 220         .gpdup =        0x0000faff,
 221         .gpdup_mask =   0xffffffff,
 222         .gpdup_reg =    S3C2410_GPDUP,
 223 };
 224
 225 static int power_supply_init(struct device *dev)
 226 {
 227         return gpio_request(S3C2410_GPF(2), "cable plugged");
 228 }
 229
 230 static int h1940_is_ac_online(void)
 231 {
 232         return !gpio_get_value(S3C2410_GPF(2));
 233 }
 234
 235 static void power_supply_exit(struct device *dev)
 236 {
 237         gpio_free(S3C2410_GPF(2));
 238 }
 239
 240 static char *h1940_supplicants[] = {
 241         "main-battery",
 242         "backup-battery",
 243 };
 244
 245 static struct pda_power_pdata power_supply_info = {
 246         .init                   = power_supply_init,
 247         .is_ac_online           = h1940_is_ac_online,
 248         .exit                   = power_supply_exit,
 249         .supplied_to            = h1940_supplicants,
 250         .num_supplicants        = ARRAY_SIZE(h1940_supplicants),
 251 };
 252
 253 static struct resource power_supply_resources[] = {
 254         [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
 255                         | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
 256 };
 257
 258 static struct platform_device power_supply = {
 259         .name           = "pda-power",
 260         .id             = -1,
 261         .dev            = {
 262                                 .platform_data =
 263                                         &power_supply_info,
 264         },
 265         .resource       = power_supply_resources,
 266         .num_resources  = ARRAY_SIZE(power_supply_resources),
 267 };
 268
 269 static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
 270         { .volt = 4070, .cur = 162, .level = 100},
 271         { .volt = 4040, .cur = 165, .level = 95},
 272         { .volt = 4016, .cur = 164, .level = 90},
 273         { .volt = 3996, .cur = 166, .level = 85},
 274         { .volt = 3971, .cur = 168, .level = 80},
 275         { .volt = 3951, .cur = 168, .level = 75},
 276         { .volt = 3931, .cur = 170, .level = 70},
 277         { .volt = 3903, .cur = 172, .level = 65},
 278         { .volt = 3886, .cur = 172, .level = 60},
 279         { .volt = 3858, .cur = 176, .level = 55},
 280         { .volt = 3842, .cur = 176, .level = 50},
 281         { .volt = 3818, .cur = 176, .level = 45},
 282         { .volt = 3789, .cur = 180, .level = 40},
 283         { .volt = 3769, .cur = 180, .level = 35},
 284         { .volt = 3749, .cur = 184, .level = 30},
 285         { .volt = 3732, .cur = 184, .level = 25},
 286         { .volt = 3716, .cur = 184, .level = 20},
 287         { .volt = 3708, .cur = 184, .level = 15},
 288         { .volt = 3716, .cur = 96, .level = 10},
 289         { .volt = 3700, .cur = 96, .level = 5},
 290         { .volt = 3684, .cur = 96, .level = 0},
 291 };
 292
 293 static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
 294         { .volt = 4130, .cur = 0, .level = 100},
 295         { .volt = 3982, .cur = 0, .level = 50},
 296         { .volt = 3854, .cur = 0, .level = 10},
 297         { .volt = 3841, .cur = 0, .level = 0},
 298 };
 299
 300 static int h1940_bat_init(void)
 301 {
 302         int ret;
 303
 304         ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable");
 305         if (ret)
 306                 return ret;
 307         gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0);
 308
 309         return 0;
 310
 311 }
 312
 313 static void h1940_bat_exit(void)
 314 {
 315         gpio_free(H1940_LATCH_SM803_ENABLE);
 316 }
 317
 318 static void h1940_enable_charger(void)
 319 {
 320         gpio_set_value(H1940_LATCH_SM803_ENABLE, 1);
 321 }
 322
 323 static void h1940_disable_charger(void)
 324 {
 325         gpio_set_value(H1940_LATCH_SM803_ENABLE, 0);
 326 }
 327
 328 static struct s3c_adc_bat_pdata h1940_bat_cfg = {
 329         .init = h1940_bat_init,
 330         .exit = h1940_bat_exit,
 331         .enable_charger = h1940_enable_charger,
 332         .disable_charger = h1940_disable_charger,
 333         .gpio_charge_finished = S3C2410_GPF(3),
 334         .gpio_inverted = 1,
 335         .lut_noac = bat_lut_noac,
 336         .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
 337         .lut_acin = bat_lut_acin,
 338         .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
 339         .volt_channel = 0,
 340         .current_channel = 1,
 341         .volt_mult = 4056,
 342         .current_mult = 1893,
 343         .internal_impedance = 200,
 344         .backup_volt_channel = 3,
 345         /* TODO Check backup volt multiplier */
 346         .backup_volt_mult = 4056,
 347         .backup_volt_min = 0,
 348         .backup_volt_max = 4149288
 349 };
 350
 351 static struct platform_device h1940_battery = {
 352         .name             = "s3c-adc-battery",
 353         .id               = -1,
 354         .dev = {
 355                 .parent = &s3c_device_adc.dev,
 356                 .platform_data = &h1940_bat_cfg,
 357         },
 358 };
 359
 360 static DEFINE_SPINLOCK(h1940_blink_spin);
 361
 362 int h1940_led_blink_set(struct gpio_desc *desc, int state,
 363         unsigned long *delay_on, unsigned long *delay_off)
 364 {
 365         int blink_gpio, check_gpio1, check_gpio2;
 366         int gpio = desc ? desc_to_gpio(desc) : -EINVAL;
 367
 368         switch (gpio) {
 369         case H1940_LATCH_LED_GREEN:
 370                 blink_gpio = S3C2410_GPA(7);
 371                 check_gpio1 = S3C2410_GPA(1);
 372                 check_gpio2 = S3C2410_GPA(3);
 373                 break;
 374         case H1940_LATCH_LED_RED:
 375                 blink_gpio = S3C2410_GPA(1);
 376                 check_gpio1 = S3C2410_GPA(7);
 377                 check_gpio2 = S3C2410_GPA(3);
 378                 break;
 379         default:
 380                 blink_gpio = S3C2410_GPA(3);
 381                 check_gpio1 = S3C2410_GPA(1);
 382                 check_gpio2 = S3C2410_GPA(7);
 383                 break;
 384         }
 385
 386         if (delay_on && delay_off && !*delay_on && !*delay_off)
 387                 *delay_on = *delay_off = 500;
 388
 389         spin_lock(&h1940_blink_spin);
 390
 391         switch (state) {
 392         case GPIO_LED_NO_BLINK_LOW:
 393         case GPIO_LED_NO_BLINK_HIGH:
 394                 if (!gpio_get_value(check_gpio1) &&
 395                     !gpio_get_value(check_gpio2))
 396                         gpio_set_value(H1940_LATCH_LED_FLASH, 0);
 397                 gpio_set_value(blink_gpio, 0);
 398                 if (gpio_is_valid(gpio))
 399                         gpio_set_value(gpio, state);
 400                 break;
 401         case GPIO_LED_BLINK:
 402                 if (gpio_is_valid(gpio))
 403                         gpio_set_value(gpio, 0);
 404                 gpio_set_value(H1940_LATCH_LED_FLASH, 1);
 405                 gpio_set_value(blink_gpio, 1);
 406                 break;
 407         }
 408
 409         spin_unlock(&h1940_blink_spin);
 410
 411         return 0;
 412 }
 413 EXPORT_SYMBOL(h1940_led_blink_set);
 414
 415 static struct gpio_led h1940_leds_desc[] = {
 416         {
 417                 .name                   = "Green",
 418                 .default_trigger        = "main-battery-full",
 419                 .gpio                   = H1940_LATCH_LED_GREEN,
 420                 .retain_state_suspended = 1,
 421         },
 422         {
 423                 .name                   = "Red",
 424                 .default_trigger
 425                         = "main-battery-charging-blink-full-solid",
 426                 .gpio                   = H1940_LATCH_LED_RED,
 427                 .retain_state_suspended = 1,
 428         },
 429 };
 430
 431 static struct gpio_led_platform_data h1940_leds_pdata = {
 432         .num_leds       = ARRAY_SIZE(h1940_leds_desc),
 433         .leds           = h1940_leds_desc,
 434         .gpio_blink_set = h1940_led_blink_set,
 435 };
 436
 437 static struct platform_device h1940_device_leds = {
 438         .name   = "leds-gpio",
 439         .id     = -1,
 440         .dev    = {
 441                         .platform_data = &h1940_leds_pdata,
 442         },
 443 };
 444
 445 static struct platform_device h1940_device_bluetooth = {
 446         .name             = "h1940-bt",
 447         .id               = -1,
 448 };
 449
 450 static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
 451 {
 452         s3c24xx_mci_def_set_power(power_mode, vdd);
 453
 454         switch (power_mode) {
 455         case MMC_POWER_OFF:
 456                 gpio_set_value(H1940_LATCH_SD_POWER, 0);
 457                 break;
 458         case MMC_POWER_UP:
 459         case MMC_POWER_ON:
 460                 gpio_set_value(H1940_LATCH_SD_POWER, 1);
 461                 break;
 462         default:
 463                 break;
 464         }
 465 }
 466
 467 static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
 468         .set_power     = h1940_set_mmc_power,
 469         .ocr_avail     = MMC_VDD_32_33,
 470 };
 471
 472 static struct gpiod_lookup_table h1940_mmc_gpio_table = {
 473         .dev_id = "s3c2410-sdi",
 474         .table = {
 475                 /* Card detect S3C2410_GPF(5) */
 476                 GPIO_LOOKUP("GPIOF", 5, "cd", GPIO_ACTIVE_LOW),
 477                 /* Write protect S3C2410_GPH(8) */
 478                 GPIO_LOOKUP("GPIOH", 8, "wp", GPIO_ACTIVE_LOW),
 479                 /* bus pins */
 480                 GPIO_LOOKUP_IDX("GPIOE",  5, "bus", 0, GPIO_ACTIVE_HIGH),
 481                 GPIO_LOOKUP_IDX("GPIOE",  6, "bus", 1, GPIO_ACTIVE_HIGH),
 482                 GPIO_LOOKUP_IDX("GPIOE",  7, "bus", 2, GPIO_ACTIVE_HIGH),
 483                 GPIO_LOOKUP_IDX("GPIOE",  8, "bus", 3, GPIO_ACTIVE_HIGH),
 484                 GPIO_LOOKUP_IDX("GPIOE",  9, "bus", 4, GPIO_ACTIVE_HIGH),
 485                 GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
 486                 { },
 487         },
 488 };
 489
 490 static struct gpiod_lookup_table h1940_audio_gpio_table = {
 491         .dev_id = "h1940-audio",
 492         .table = {
 493                 GPIO_LOOKUP("H1940_LATCH",
 494                             H1940_LATCH_AUDIO_POWER - H1940_LATCH_GPIO(0),
 495                             "speaker-power", GPIO_ACTIVE_HIGH),
 496                 GPIO_LOOKUP("GPIOG", 4, "hp", GPIO_ACTIVE_HIGH),
 497                 { },
 498         },
 499 };
 500
 501 static struct platform_device h1940_audio = {
 502         .name = "h1940-audio",
 503         .id   = -1,
 504 };
 505
 506 static struct pwm_lookup h1940_pwm_lookup[] = {
 507         PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight", NULL, 36296,
 508                    PWM_POLARITY_NORMAL),
 509 };
 510
 511 static int h1940_backlight_init(struct device *dev)
 512 {
 513         gpio_request(S3C2410_GPB(0), "Backlight");
 514
 515         gpio_direction_output(S3C2410_GPB(0), 0);
 516         s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
 517         s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
 518         gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
 519
 520         return 0;
 521 }
 522
 523 static int h1940_backlight_notify(struct device *dev, int brightness)
 524 {
 525         if (!brightness) {
 526                 gpio_direction_output(S3C2410_GPB(0), 1);
 527                 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
 528         } else {
 529                 gpio_direction_output(S3C2410_GPB(0), 0);
 530                 s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
 531                 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
 532                 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
 533         }
 534         return brightness;
 535 }
 536
 537 static void h1940_backlight_exit(struct device *dev)
 538 {
 539         gpio_direction_output(S3C2410_GPB(0), 1);
 540         gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
 541 }
 542
 543
 544 static struct platform_pwm_backlight_data backlight_data = {
 545         .max_brightness = 100,
 546         .dft_brightness = 50,
 547         .init           = h1940_backlight_init,
 548         .notify         = h1940_backlight_notify,
 549         .exit           = h1940_backlight_exit,
 550 };
 551
 552 static struct platform_device h1940_backlight = {
 553         .name = "pwm-backlight",
 554         .dev  = {
 555                 .parent = &samsung_device_pwm.dev,
 556                 .platform_data = &backlight_data,
 557         },
 558         .id   = -1,
 559 };
 560
 561 static void h1940_lcd_power_set(struct plat_lcd_data *pd,
 562                                         unsigned int power)
 563 {
 564         int value, retries = 100;
 565
 566         if (!power) {
 567                 gpio_set_value(S3C2410_GPC(0), 0);
 568                 /* wait for 3ac */
 569                 do {
 570                         value = gpio_get_value(S3C2410_GPC(6));
 571                 } while (value && retries--);
 572
 573                 gpio_set_value(H1940_LATCH_LCD_P2, 0);
 574                 gpio_set_value(H1940_LATCH_LCD_P3, 0);
 575                 gpio_set_value(H1940_LATCH_LCD_P4, 0);
 576
 577                 gpio_direction_output(S3C2410_GPC(1), 0);
 578                 gpio_direction_output(S3C2410_GPC(4), 0);
 579
 580                 gpio_set_value(H1940_LATCH_LCD_P1, 0);
 581                 gpio_set_value(H1940_LATCH_LCD_P0, 0);
 582
 583                 gpio_set_value(S3C2410_GPC(5), 0);
 584
 585         } else {
 586                 gpio_set_value(H1940_LATCH_LCD_P0, 1);
 587                 gpio_set_value(H1940_LATCH_LCD_P1, 1);
 588
 589                 gpio_direction_input(S3C2410_GPC(1));
 590                 gpio_direction_input(S3C2410_GPC(4));
 591                 mdelay(10);
 592                 s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
 593                 s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
 594
 595                 gpio_set_value(S3C2410_GPC(5), 1);
 596                 gpio_set_value(S3C2410_GPC(0), 1);
 597
 598                 gpio_set_value(H1940_LATCH_LCD_P3, 1);
 599                 gpio_set_value(H1940_LATCH_LCD_P2, 1);
 600                 gpio_set_value(H1940_LATCH_LCD_P4, 1);
 601         }
 602 }
 603
 604 static struct plat_lcd_data h1940_lcd_power_data = {
 605         .set_power      = h1940_lcd_power_set,
 606 };
 607
 608 static struct platform_device h1940_lcd_powerdev = {
 609         .name                   = "platform-lcd",
 610         .dev.parent             = &s3c_device_lcd.dev,
 611         .dev.platform_data      = &h1940_lcd_power_data,
 612 };
 613
 614 static struct uda1380_platform_data uda1380_info = {
 615         .gpio_power     = H1940_LATCH_UDA_POWER,
 616         .gpio_reset     = S3C2410_GPA(12),
 617         .dac_clk        = UDA1380_DAC_CLK_SYSCLK,
 618 };
 619
 620 static struct i2c_board_info h1940_i2c_devices[] = {
 621         {
 622                 I2C_BOARD_INFO("uda1380", 0x1a),
 623                 .platform_data = &uda1380_info,
 624         },
 625 };
 626
 627 #define DECLARE_BUTTON(p, k, n, w)      \
 628         {                               \
 629                 .gpio           = p,    \
 630                 .code           = k,    \
 631                 .desc           = n,    \
 632                 .wakeup         = w,    \
 633                 .active_low     = 1,    \
 634         }
 635
 636 static struct gpio_keys_button h1940_buttons[] = {
 637         DECLARE_BUTTON(S3C2410_GPF(0),       KEY_POWER,          "Power", 1),
 638         DECLARE_BUTTON(S3C2410_GPF(6),       KEY_ENTER,         "Select", 1),
 639         DECLARE_BUTTON(S3C2410_GPF(7),      KEY_RECORD,         "Record", 0),
 640         DECLARE_BUTTON(S3C2410_GPG(0),         KEY_F11,       "Calendar", 0),
 641         DECLARE_BUTTON(S3C2410_GPG(2),         KEY_F12,       "Contacts", 0),
 642         DECLARE_BUTTON(S3C2410_GPG(3),        KEY_MAIL,           "Mail", 0),
 643         DECLARE_BUTTON(S3C2410_GPG(6),        KEY_LEFT,     "Left_arrow", 0),
 644         DECLARE_BUTTON(S3C2410_GPG(7),    KEY_HOMEPAGE,           "Home", 0),
 645         DECLARE_BUTTON(S3C2410_GPG(8),       KEY_RIGHT,    "Right_arrow", 0),
 646         DECLARE_BUTTON(S3C2410_GPG(9),          KEY_UP,       "Up_arrow", 0),
 647         DECLARE_BUTTON(S3C2410_GPG(10),       KEY_DOWN,     "Down_arrow", 0),
 648 };
 649
 650 static struct gpio_keys_platform_data h1940_buttons_data = {
 651         .buttons        = h1940_buttons,
 652         .nbuttons       = ARRAY_SIZE(h1940_buttons),
 653 };
 654
 655 static struct platform_device h1940_dev_buttons = {
 656         .name           = "gpio-keys",
 657         .id             = -1,
 658         .dev            = {
 659                 .platform_data  = &h1940_buttons_data,
 660         }
 661 };
 662
 663 static struct platform_device *h1940_devices[] __initdata = {
 664         &h1940_dev_buttons,
 665         &s3c_device_ohci,
 666         &s3c_device_lcd,
 667         &s3c_device_wdt,
 668         &s3c_device_i2c0,
 669         &s3c_device_iis,
 670         &s3c_device_usbgadget,
 671         &h1940_device_leds,
 672         &h1940_device_bluetooth,
 673         &s3c_device_sdi,
 674         &s3c_device_rtc,
 675         &samsung_device_pwm,
 676         &h1940_backlight,
 677         &h1940_lcd_powerdev,
 678         &s3c_device_adc,
 679         &s3c_device_ts,
 680         &power_supply,
 681         &h1940_battery,
 682         &h1940_audio,
 683 };
 684
 685 static void __init h1940_map_io(void)
 686 {
 687         s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
 688         s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
 689         s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
 690
 691         /* setup PM */
 692
 693 #ifdef CONFIG_PM_H1940
 694         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
 695 #endif
 696         s3c_pm_init();
 697
 698         /* Add latch gpio chip, set latch initial value */
 699         h1940_latch_control(0, 0);
 700         WARN_ON(gpiochip_add_data(&h1940_latch_gpiochip, NULL));
 701 }
 702
 703 static void __init h1940_init_time(void)
 704 {
 705         s3c2410_init_clocks(12000000);
 706         s3c24xx_timer_init();
 707 }
 708
 709 /* H1940 and RX3715 need to reserve this for suspend */
 710 static void __init h1940_reserve(void)
 711 {
 712         memblock_reserve(0x30003000, 0x1000);
 713         memblock_reserve(0x30081000, 0x1000);
 714 }
 715
 716 static void __init h1940_init(void)
 717 {
 718         u32 tmp;
 719
 720         s3c24xx_fb_set_platdata(&h1940_fb_info);
 721         gpiod_add_lookup_table(&h1940_mmc_gpio_table);
 722         gpiod_add_lookup_table(&h1940_audio_gpio_table);
 723         /* Configure the I2S pins (GPE0...GPE4) in correct mode */
 724         s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
 725                               S3C_GPIO_PULL_NONE);
 726         s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
 727         s3c24xx_udc_set_platdata(&h1940_udc_cfg);
 728         s3c24xx_ts_set_platdata(&h1940_ts_cfg);
 729         s3c_i2c0_set_platdata(NULL);
 730
 731         /* Turn off suspend on both USB ports, and switch the
 732          * selectable USB port to USB device mode. */
 733
 734         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 735                               S3C2410_MISCCR_USBSUSPND0 |
 736                               S3C2410_MISCCR_USBSUSPND1, 0x0);
 737
 738         tmp =   (0x78 << S3C24XX_PLL_MDIV_SHIFT)
 739               | (0x02 << S3C24XX_PLL_PDIV_SHIFT)
 740               | (0x03 << S3C24XX_PLL_SDIV_SHIFT);
 741         writel(tmp, S3C2410_UPLLCON);
 742
 743         gpio_request(S3C2410_GPC(0), "LCD power");
 744         gpio_request(S3C2410_GPC(1), "LCD power");
 745         gpio_request(S3C2410_GPC(4), "LCD power");
 746         gpio_request(S3C2410_GPC(5), "LCD power");
 747         gpio_request(S3C2410_GPC(6), "LCD power");
 748         gpio_request(H1940_LATCH_LCD_P0, "LCD power");
 749         gpio_request(H1940_LATCH_LCD_P1, "LCD power");
 750         gpio_request(H1940_LATCH_LCD_P2, "LCD power");
 751         gpio_request(H1940_LATCH_LCD_P3, "LCD power");
 752         gpio_request(H1940_LATCH_LCD_P4, "LCD power");
 753         gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
 754         gpio_direction_output(S3C2410_GPC(0), 0);
 755         gpio_direction_output(S3C2410_GPC(1), 0);
 756         gpio_direction_output(S3C2410_GPC(4), 0);
 757         gpio_direction_output(S3C2410_GPC(5), 0);
 758         gpio_direction_input(S3C2410_GPC(6));
 759         gpio_direction_output(H1940_LATCH_LCD_P0, 0);
 760         gpio_direction_output(H1940_LATCH_LCD_P1, 0);
 761         gpio_direction_output(H1940_LATCH_LCD_P2, 0);
 762         gpio_direction_output(H1940_LATCH_LCD_P3, 0);
 763         gpio_direction_output(H1940_LATCH_LCD_P4, 0);
 764         gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
 765
 766         gpio_request(H1940_LATCH_SD_POWER, "SD power");
 767         gpio_direction_output(H1940_LATCH_SD_POWER, 0);
 768
 769         pwm_add_table(h1940_pwm_lookup, ARRAY_SIZE(h1940_pwm_lookup));
 770         platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
 771
 772         gpio_request(S3C2410_GPA(1), "Red LED blink");
 773         gpio_request(S3C2410_GPA(3), "Blue LED blink");
 774         gpio_request(S3C2410_GPA(7), "Green LED blink");
 775         gpio_request(H1940_LATCH_LED_FLASH, "LED blink");
 776         gpio_direction_output(S3C2410_GPA(1), 0);
 777         gpio_direction_output(S3C2410_GPA(3), 0);
 778         gpio_direction_output(S3C2410_GPA(7), 0);
 779         gpio_direction_output(H1940_LATCH_LED_FLASH, 0);
 780
 781         i2c_register_board_info(0, h1940_i2c_devices,
 782                 ARRAY_SIZE(h1940_i2c_devices));
 783 }
 784
 785 MACHINE_START(H1940, "IPAQ-H1940")
 786         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 787         .atag_offset    = 0x100,
 788         .map_io         = h1940_map_io,
 789         .reserve        = h1940_reserve,
 790         .init_irq       = s3c2410_init_irq,
 791         .init_machine   = h1940_init,
 792         .init_time      = h1940_init_time,
 793 MACHINE_END