err.no Git - linux-2.6/blob - arch/arm/mach-pxa/magician.c

   1 /*
   2  * Support for HTC Magician PDA phones:
   3  * i-mate JAM, O2 Xda mini, Orange SPV M500, Qtek s100, Qtek s110
   4  * and T-Mobile MDA Compact.
   5  *
   6  * Copyright (c) 2006-2007 Philipp Zabel
   7  *
   8  * Based on hx4700.c, spitz.c and others.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  *
  14  */
  15
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/delay.h>
  20 #include <linux/gpio_keys.h>
  21 #include <linux/input.h>
  22 #include <linux/mfd/htc-egpio.h>
  23 #include <linux/mfd/htc-pasic3.h>
  24 #include <linux/mtd/mtd.h>
  25 #include <linux/mtd/map.h>
  26 #include <linux/mtd/physmap.h>
  27 #include <linux/pda_power.h>
  28
  29 #include <asm/gpio.h>
  30 #include <asm/hardware.h>
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33 #include <asm/arch/magician.h>
  34 #include <asm/arch/pxa-regs.h>
  35 #include <asm/arch/pxafb.h>
  36 #include <asm/arch/i2c.h>
  37 #include <asm/arch/mmc.h>
  38 #include <asm/arch/irda.h>
  39 #include <asm/arch/ohci.h>
  40
  41 #include "generic.h"
  42
  43 /*
  44  * IRDA
  45  */
  46
  47 static void magician_irda_transceiver_mode(struct device *dev, int mode)
  48 {
  49         gpio_set_value(GPIO83_MAGICIAN_nIR_EN, mode & IR_OFF);
  50 }
  51
  52 static struct pxaficp_platform_data magician_ficp_info = {
  53         .transceiver_cap  = IR_SIRMODE | IR_OFF,
  54         .transceiver_mode = magician_irda_transceiver_mode,
  55 };
  56
  57 /*
  58  * GPIO Keys
  59  */
  60
  61 static struct gpio_keys_button magician_button_table[] = {
  62         {KEY_POWER,      GPIO0_MAGICIAN_KEY_POWER,      0, "Power button"},
  63         {KEY_ESC,        GPIO37_MAGICIAN_KEY_HANGUP,    0, "Hangup button"},
  64         {KEY_F10,        GPIO38_MAGICIAN_KEY_CONTACTS,  0, "Contacts button"},
  65         {KEY_CALENDAR,   GPIO90_MAGICIAN_KEY_CALENDAR,  0, "Calendar button"},
  66         {KEY_CAMERA,     GPIO91_MAGICIAN_KEY_CAMERA,    0, "Camera button"},
  67         {KEY_UP,         GPIO93_MAGICIAN_KEY_UP,        0, "Up button"},
  68         {KEY_DOWN,       GPIO94_MAGICIAN_KEY_DOWN,      0, "Down button"},
  69         {KEY_LEFT,       GPIO95_MAGICIAN_KEY_LEFT,      0, "Left button"},
  70         {KEY_RIGHT,      GPIO96_MAGICIAN_KEY_RIGHT,     0, "Right button"},
  71         {KEY_KPENTER,    GPIO97_MAGICIAN_KEY_ENTER,     0, "Action button"},
  72         {KEY_RECORD,     GPIO98_MAGICIAN_KEY_RECORD,    0, "Record button"},
  73         {KEY_VOLUMEUP,   GPIO100_MAGICIAN_KEY_VOL_UP,   0, "Volume up"},
  74         {KEY_VOLUMEDOWN, GPIO101_MAGICIAN_KEY_VOL_DOWN, 0, "Volume down"},
  75         {KEY_PHONE,      GPIO102_MAGICIAN_KEY_PHONE,    0, "Phone button"},
  76         {KEY_PLAY,       GPIO99_MAGICIAN_HEADPHONE_IN,  0, "Headset button"},
  77 };
  78
  79 static struct gpio_keys_platform_data gpio_keys_data = {
  80         .buttons  = magician_button_table,
  81         .nbuttons = ARRAY_SIZE(magician_button_table),
  82 };
  83
  84 static struct platform_device gpio_keys = {
  85         .name = "gpio-keys",
  86         .dev  = {
  87                 .platform_data = &gpio_keys_data,
  88         },
  89         .id   = -1,
  90 };
  91
  92
  93 /*
  94  * EGPIO (Xilinx CPLD)
  95  *
  96  * 7 32-bit aligned 8-bit registers: 3x output, 1x irq, 3x input
  97  */
  98
  99 static struct resource egpio_resources[] = {
 100         [0] = {
 101                 .start = PXA_CS3_PHYS,
 102                 .end   = PXA_CS3_PHYS + 0x20,
 103                 .flags = IORESOURCE_MEM,
 104         },
 105         [1] = {
 106                 .start = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ),
 107                 .end   = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ),
 108                 .flags = IORESOURCE_IRQ,
 109         },
 110 };
 111
 112 static struct htc_egpio_chip egpio_chips[] = {
 113         [0] = {
 114                 .reg_start = 0,
 115                 .gpio_base = MAGICIAN_EGPIO(0, 0),
 116                 .num_gpios = 24,
 117                 .direction = HTC_EGPIO_OUTPUT,
 118                 .initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */
 119         },
 120         [1] = {
 121                 .reg_start = 4,
 122                 .gpio_base = MAGICIAN_EGPIO(4, 0),
 123                 .num_gpios = 24,
 124                 .direction = HTC_EGPIO_INPUT,
 125         },
 126 };
 127
 128 static struct htc_egpio_platform_data egpio_info = {
 129         .reg_width    = 8,
 130         .bus_width    = 32,
 131         .irq_base     = IRQ_BOARD_START,
 132         .num_irqs     = 4,
 133         .ack_register = 3,
 134         .chip         = egpio_chips,
 135         .num_chips    = ARRAY_SIZE(egpio_chips),
 136 };
 137
 138 static struct platform_device egpio = {
 139         .name          = "htc-egpio",
 140         .id            = -1,
 141         .resource      = egpio_resources,
 142         .num_resources = ARRAY_SIZE(egpio_resources),
 143         .dev = {
 144                 .platform_data = &egpio_info,
 145         },
 146 };
 147
 148 /*
 149  * LCD - Toppoly TD028STEB1 or Samsung LTP280QV
 150  */
 151
 152 static struct pxafb_mode_info toppoly_modes[] = {
 153         {
 154                 .pixclock     = 96153,
 155                 .bpp          = 16,
 156                 .xres         = 240,
 157                 .yres         = 320,
 158                 .hsync_len    = 11,
 159                 .vsync_len    = 3,
 160                 .left_margin  = 19,
 161                 .upper_margin = 2,
 162                 .right_margin = 10,
 163                 .lower_margin = 2,
 164                 .sync         = 0,
 165         },
 166 };
 167
 168 static struct pxafb_mode_info samsung_modes[] = {
 169         {
 170                 .pixclock     = 96153,
 171                 .bpp          = 16,
 172                 .xres         = 240,
 173                 .yres         = 320,
 174                 .hsync_len    = 8,
 175                 .vsync_len    = 4,
 176                 .left_margin  = 9,
 177                 .upper_margin = 4,
 178                 .right_margin = 9,
 179                 .lower_margin = 4,
 180                 .sync         = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 181         },
 182 };
 183
 184 static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si)
 185 {
 186         pr_debug("Toppoly LCD power\n");
 187
 188         if (on) {
 189                 pr_debug("on\n");
 190                 gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1);
 191                 gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1);
 192                 udelay(2000);
 193                 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
 194                 udelay(2000);
 195                 /* FIXME: enable LCDC here */
 196                 udelay(2000);
 197                 gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1);
 198                 udelay(2000);
 199                 gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1);
 200         } else {
 201                 pr_debug("off\n");
 202                 msleep(15);
 203                 gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0);
 204                 udelay(500);
 205                 gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0);
 206                 udelay(1000);
 207                 gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0);
 208                 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
 209         }
 210 }
 211
 212 static void samsung_lcd_power(int on, struct fb_var_screeninfo *si)
 213 {
 214         pr_debug("Samsung LCD power\n");
 215
 216         if (on) {
 217                 pr_debug("on\n");
 218                 if (system_rev < 3)
 219                         gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1);
 220                 else
 221                         gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
 222                 mdelay(10);
 223                 gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1);
 224                 mdelay(10);
 225                 gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1);
 226                 mdelay(30);
 227                 gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1);
 228                 mdelay(10);
 229         } else {
 230                 pr_debug("off\n");
 231                 mdelay(10);
 232                 gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0);
 233                 mdelay(30);
 234                 gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0);
 235                 mdelay(10);
 236                 gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0);
 237                 mdelay(10);
 238                 if (system_rev < 3)
 239                         gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
 240                 else
 241                         gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
 242         }
 243 }
 244
 245 static struct pxafb_mach_info toppoly_info = {
 246         .modes           = toppoly_modes,
 247         .num_modes       = 1,
 248         .fixed_modes     = 1,
 249         .lccr0           = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
 250         .lccr3           = LCCR3_PixRsEdg,
 251         .pxafb_lcd_power = toppoly_lcd_power,
 252 };
 253
 254 static struct pxafb_mach_info samsung_info = {
 255         .modes           = samsung_modes,
 256         .num_modes       = 1,
 257         .fixed_modes     = 1,
 258         .lccr0           = LCCR0_LDDALT | LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
 259         .lccr3           = LCCR3_PixFlEdg,
 260         .pxafb_lcd_power = samsung_lcd_power,
 261 };
 262
 263 /*
 264  * Backlight
 265  */
 266
 267 static void magician_set_bl_intensity(int intensity)
 268 {
 269         if (intensity) {
 270                 PWM_CTRL0 = 1;
 271                 PWM_PERVAL0 = 0xc8;
 272                 if (intensity > 0xc7) {
 273                         PWM_PWDUTY0 = intensity - 0x48;
 274                         gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
 275                 } else {
 276                         PWM_PWDUTY0 = intensity;
 277                         gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
 278                 }
 279                 gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 1);
 280                 pxa_set_cken(CKEN_PWM0, 1);
 281         } else {
 282                 /* PWM_PWDUTY0 = intensity; */
 283                 gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 0);
 284                 pxa_set_cken(CKEN_PWM0, 0);
 285         }
 286 }
 287
 288 static struct generic_bl_info backlight_info = {
 289         .default_intensity = 0x64,
 290         .limit_mask        = 0x0b,
 291         .max_intensity     = 0xc7+0x48,
 292         .set_bl_intensity  = magician_set_bl_intensity,
 293 };
 294
 295 static struct platform_device backlight = {
 296         .name = "generic-bl",
 297         .dev  = {
 298                 .platform_data = &backlight_info,
 299         },
 300         .id   = -1,
 301 };
 302
 303 /*
 304  * LEDs
 305  */
 306
 307 struct gpio_led gpio_leds[] = {
 308         {
 309                 .name = "magician::vibra",
 310                 .default_trigger = "none",
 311                 .gpio = GPIO22_MAGICIAN_VIBRA_EN,
 312         },
 313         {
 314                 .name = "magician::phone_bl",
 315                 .default_trigger = "none",
 316                 .gpio = GPIO103_MAGICIAN_LED_KP,
 317         },
 318 };
 319
 320 static struct gpio_led_platform_data gpio_led_info = {
 321         .leds = gpio_leds,
 322         .num_leds = ARRAY_SIZE(gpio_leds),
 323 };
 324
 325 static struct platform_device leds_gpio = {
 326         .name = "leds-gpio",
 327         .id   = -1,
 328         .dev  = {
 329                 .platform_data = &gpio_led_info,
 330         },
 331 };
 332
 333 static struct pasic3_led pasic3_leds[] = {
 334         {
 335                 .led = {
 336                         .name            = "magician:red",
 337                         .default_trigger = "ds2760-battery.0-charging",
 338                 },
 339                 .hw_num = 0,
 340                 .bit2   = PASIC3_BIT2_LED0,
 341                 .mask   = PASIC3_MASK_LED0,
 342         },
 343         {
 344                 .led = {
 345                         .name            = "magician:green",
 346                         .default_trigger = "ds2760-battery.0-charging-or-full",
 347                 },
 348                 .hw_num = 1,
 349                 .bit2   = PASIC3_BIT2_LED1,
 350                 .mask   = PASIC3_MASK_LED1,
 351         },
 352         {
 353                 .led = {
 354                         .name            = "magician:blue",
 355                         .default_trigger = "bluetooth",
 356                 },
 357                 .hw_num = 2,
 358                 .bit2   = PASIC3_BIT2_LED2,
 359                 .mask   = PASIC3_MASK_LED2,
 360         },
 361 };
 362
 363 static struct platform_device pasic3;
 364
 365 static struct pasic3_leds_machinfo __devinit pasic3_leds_info = {
 366         .num_leds   = ARRAY_SIZE(pasic3_leds),
 367         .power_gpio = EGPIO_MAGICIAN_LED_POWER,
 368         .leds       = pasic3_leds,
 369 };
 370
 371 /*
 372  * PASIC3 with DS1WM
 373  */
 374
 375 static struct resource pasic3_resources[] = {
 376         [0] = {
 377                 .start  = PXA_CS2_PHYS,
 378                 .end    = PXA_CS2_PHYS + 0x1b,
 379                 .flags  = IORESOURCE_MEM,
 380         },
 381         /* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */
 382         [1] = {
 383                 .start  = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ),
 384                 .end    = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ),
 385                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 386         }
 387 };
 388
 389 static struct pasic3_platform_data pasic3_platform_data = {
 390         .bus_shift  = 2,
 391         .led_pdata  = &pasic3_leds_info,
 392         .clock_rate = 4000000,
 393 };
 394
 395 static struct platform_device pasic3 = {
 396         .name           = "pasic3",
 397         .id             = -1,
 398         .num_resources  = ARRAY_SIZE(pasic3_resources),
 399         .resource       = pasic3_resources,
 400         .dev = {
 401                 .platform_data = &pasic3_platform_data,
 402         },
 403 };
 404
 405 /*
 406  * External power
 407  */
 408
 409 static int magician_is_ac_online(void)
 410 {
 411         return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_AC);
 412 }
 413
 414 static int magician_is_usb_online(void)
 415 {
 416         return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_USB);
 417 }
 418
 419 static void magician_set_charge(int flags)
 420 {
 421         gpio_set_value(GPIO30_MAGICIAN_nCHARGE_EN, !flags);
 422         gpio_set_value(EGPIO_MAGICIAN_CHARGE_EN, flags);
 423 }
 424
 425 static char *magician_supplicants[] = {
 426         "ds2760-battery.0", "backup-battery"
 427 };
 428
 429 static struct pda_power_pdata power_supply_info = {
 430         .is_ac_online    = magician_is_ac_online,
 431         .is_usb_online   = magician_is_usb_online,
 432         .set_charge      = magician_set_charge,
 433         .supplied_to     = magician_supplicants,
 434         .num_supplicants = ARRAY_SIZE(magician_supplicants),
 435 };
 436
 437 static struct resource power_supply_resources[] = {
 438         [0] = {
 439                 .name  = "ac",
 440                 .flags = IORESOURCE_IRQ,
 441                 .start = IRQ_MAGICIAN_AC,
 442                 .end   = IRQ_MAGICIAN_AC,
 443         },
 444         [1] = {
 445                 .name  = "usb",
 446                 .flags = IORESOURCE_IRQ,
 447                 .start = IRQ_MAGICIAN_AC,
 448                 .end   = IRQ_MAGICIAN_AC,
 449         },
 450 };
 451
 452 static struct platform_device power_supply = {
 453         .name = "pda-power",
 454         .id   = -1,
 455         .dev  = {
 456                 .platform_data = &power_supply_info,
 457         },
 458         .resource      = power_supply_resources,
 459         .num_resources = ARRAY_SIZE(power_supply_resources),
 460 };
 461
 462
 463 /*
 464  * MMC/SD
 465  */
 466
 467 static int magician_mci_init(struct device *dev,
 468                                 irq_handler_t detect_irq, void *data)
 469 {
 470         return request_irq(IRQ_MAGICIAN_SD, detect_irq,
 471                                 IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
 472                                 "MMC card detect", data);
 473 }
 474
 475 static void magician_mci_setpower(struct device *dev, unsigned int vdd)
 476 {
 477         struct pxamci_platform_data *pdata = dev->platform_data;
 478
 479         gpio_set_value(EGPIO_MAGICIAN_SD_POWER, (1 << vdd) & pdata->ocr_mask);
 480 }
 481
 482 static int magician_mci_get_ro(struct device *dev)
 483 {
 484         return (!gpio_get_value(EGPIO_MAGICIAN_nSD_READONLY));
 485 }
 486
 487 static void magician_mci_exit(struct device *dev, void *data)
 488 {
 489         free_irq(IRQ_MAGICIAN_SD, data);
 490 }
 491
 492 static struct pxamci_platform_data magician_mci_info = {
 493         .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
 494         .init     = magician_mci_init,
 495         .get_ro   = magician_mci_get_ro,
 496         .setpower = magician_mci_setpower,
 497         .exit     = magician_mci_exit,
 498 };
 499
 500
 501 /*
 502  * USB OHCI
 503  */
 504
 505 static int magician_ohci_init(struct device *dev)
 506 {
 507         UHCHR = (UHCHR | UHCHR_SSEP2 | UHCHR_PCPL | UHCHR_CGR) &
 508             ~(UHCHR_SSEP1 | UHCHR_SSEP3 | UHCHR_SSE);
 509
 510         return 0;
 511 }
 512
 513 static struct pxaohci_platform_data magician_ohci_info = {
 514         .port_mode    = PMM_PERPORT_MODE,
 515         .init         = magician_ohci_init,
 516         .power_budget = 0,
 517 };
 518
 519
 520 /*
 521  * StrataFlash
 522  */
 523
 524 static void magician_set_vpp(struct map_info *map, int vpp)
 525 {
 526         gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp);
 527 }
 528
 529 #define PXA_CS_SIZE             0x04000000
 530
 531 static struct resource strataflash_resource = {
 532         .start = PXA_CS0_PHYS,
 533         .end   = PXA_CS0_PHYS + PXA_CS_SIZE - 1,
 534         .flags = IORESOURCE_MEM,
 535 };
 536
 537 static struct physmap_flash_data strataflash_data = {
 538         .width = 4,
 539         .set_vpp = magician_set_vpp,
 540 };
 541
 542 static struct platform_device strataflash = {
 543         .name          = "physmap-flash",
 544         .id            = -1,
 545         .resource      = &strataflash_resource,
 546         .num_resources = 1,
 547         .dev = {
 548                 .platform_data = &strataflash_data,
 549         },
 550 };
 551
 552 /*
 553  * Platform devices
 554  */
 555
 556 static struct platform_device *devices[] __initdata = {
 557         &gpio_keys,
 558         &egpio,
 559         &backlight,
 560         &pasic3,
 561         &power_supply,
 562         &strataflash,
 563         &leds_gpio,
 564 };
 565
 566 static void __init magician_init(void)
 567 {
 568         void __iomem *cpld;
 569         int lcd_select;
 570
 571         platform_add_devices(devices, ARRAY_SIZE(devices));
 572         pxa_set_i2c_info(NULL);
 573         pxa_set_mci_info(&magician_mci_info);
 574         pxa_set_ohci_info(&magician_ohci_info);
 575         pxa_set_ficp_info(&magician_ficp_info);
 576
 577         /* Check LCD type we have */
 578         cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000);
 579         if (cpld) {
 580                 u8 board_id = __raw_readb(cpld+0x14);
 581                 system_rev = board_id & 0x7;
 582                 lcd_select = board_id & 0x8;
 583                 iounmap(cpld);
 584                 pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
 585                 if (lcd_select && (system_rev < 3))
 586                         pxa_gpio_mode(GPIO75_MAGICIAN_SAMSUNG_POWER_MD);
 587                 pxa_gpio_mode(GPIO104_MAGICIAN_LCD_POWER_1_MD);
 588                 pxa_gpio_mode(GPIO105_MAGICIAN_LCD_POWER_2_MD);
 589                 pxa_gpio_mode(GPIO106_MAGICIAN_LCD_POWER_3_MD);
 590                 set_pxa_fb_info(lcd_select ? &samsung_info : &toppoly_info);
 591         } else
 592                 pr_err("LCD detection: CPLD mapping failed\n");
 593 }
 594
 595
 596 MACHINE_START(MAGICIAN, "HTC Magician")
 597         .phys_io = 0x40000000,
 598         .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
 599         .boot_params = 0xa0000100,
 600         .map_io = pxa_map_io,
 601         .init_irq = pxa27x_init_irq,
 602         .init_machine = magician_init,
 603         .timer = &pxa_timer,
 604 MACHINE_END