git.oblomov.eu Git - linux-2.6/blob - arch/arm/mach-pxa/spitz.c

   1 /*
   2  * Support for Sharp SL-Cxx00 Series of PDAs
   3  * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
   4  *
   5  * Copyright (c) 2005 Richard Purdie
   6  *
   7  * Based on Sharp's 2.4 kernel patches/lubbock.c
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  *
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/delay.h>
  19 #include <linux/major.h>
  20 #include <linux/fs.h>
  21 #include <linux/interrupt.h>
  22 #include <linux/mmc/host.h>
  23 #include <linux/pm.h>
  24 #include <linux/backlight.h>
  25
  26 #include <asm/setup.h>
  27 #include <asm/memory.h>
  28 #include <asm/mach-types.h>
  29 #include <asm/hardware.h>
  30 #include <asm/irq.h>
  31 #include <asm/io.h>
  32 #include <asm/system.h>
  33
  34 #include <asm/mach/arch.h>
  35 #include <asm/mach/map.h>
  36 #include <asm/mach/irq.h>
  37
  38 #include <asm/arch/pxa-regs.h>
  39 #include <asm/arch/pxa2xx-regs.h>
  40 #include <asm/arch/pxa2xx-gpio.h>
  41 #include <asm/arch/pxa27x-udc.h>
  42 #include <asm/arch/irda.h>
  43 #include <asm/arch/mmc.h>
  44 #include <asm/arch/ohci.h>
  45 #include <asm/arch/udc.h>
  46 #include <asm/arch/pxafb.h>
  47 #include <asm/arch/akita.h>
  48 #include <asm/arch/spitz.h>
  49 #include <asm/arch/sharpsl.h>
  50
  51 #include <asm/mach/sharpsl_param.h>
  52 #include <asm/hardware/scoop.h>
  53
  54 #include "generic.h"
  55 #include "devices.h"
  56 #include "sharpsl.h"
  57
  58 /*
  59  * Spitz SCOOP Device #1
  60  */
  61 static struct resource spitz_scoop_resources[] = {
  62         [0] = {
  63                 .start          = 0x10800000,
  64                 .end            = 0x10800fff,
  65                 .flags          = IORESOURCE_MEM,
  66         },
  67 };
  68
  69 static struct scoop_config spitz_scoop_setup = {
  70         .io_dir         = SPITZ_SCP_IO_DIR,
  71         .io_out         = SPITZ_SCP_IO_OUT,
  72         .suspend_clr = SPITZ_SCP_SUS_CLR,
  73         .suspend_set = SPITZ_SCP_SUS_SET,
  74 };
  75
  76 struct platform_device spitzscoop_device = {
  77         .name           = "sharp-scoop",
  78         .id             = 0,
  79         .dev            = {
  80                 .platform_data  = &spitz_scoop_setup,
  81         },
  82         .num_resources  = ARRAY_SIZE(spitz_scoop_resources),
  83         .resource       = spitz_scoop_resources,
  84 };
  85
  86 /*
  87  * Spitz SCOOP Device #2
  88  */
  89 static struct resource spitz_scoop2_resources[] = {
  90         [0] = {
  91                 .start          = 0x08800040,
  92                 .end            = 0x08800fff,
  93                 .flags          = IORESOURCE_MEM,
  94         },
  95 };
  96
  97 static struct scoop_config spitz_scoop2_setup = {
  98         .io_dir         = SPITZ_SCP2_IO_DIR,
  99         .io_out         = SPITZ_SCP2_IO_OUT,
 100         .suspend_clr = SPITZ_SCP2_SUS_CLR,
 101         .suspend_set = SPITZ_SCP2_SUS_SET,
 102 };
 103
 104 struct platform_device spitzscoop2_device = {
 105         .name           = "sharp-scoop",
 106         .id             = 1,
 107         .dev            = {
 108                 .platform_data  = &spitz_scoop2_setup,
 109         },
 110         .num_resources  = ARRAY_SIZE(spitz_scoop2_resources),
 111         .resource       = spitz_scoop2_resources,
 112 };
 113
 114 #define SPITZ_PWR_SD 0x01
 115 #define SPITZ_PWR_CF 0x02
 116
 117 /* Power control is shared with between one of the CF slots and SD */
 118 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
 119 {
 120         unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
 121
 122         if (new_cpr & 0x0007) {
 123                 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
 124                 if (!(cpr & 0x0002) && !(cpr & 0x0004))
 125                         mdelay(5);
 126                 if (device == SPITZ_PWR_CF)
 127                         cpr |= 0x0002;
 128                 if (device == SPITZ_PWR_SD)
 129                         cpr |= 0x0004;
 130                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 131         } else {
 132                 if (device == SPITZ_PWR_CF)
 133                         cpr &= ~0x0002;
 134                 if (device == SPITZ_PWR_SD)
 135                         cpr &= ~0x0004;
 136                 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
 137                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
 138                         mdelay(1);
 139                         reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
 140                 } else {
 141                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 142                 }
 143         }
 144 }
 145
 146 static void spitz_pcmcia_init(void)
 147 {
 148         /* Setup default state of GPIO outputs
 149            before we enable them as outputs. */
 150         GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
 151                 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
 152                 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO54_nPCE_2);
 153         GPSR(GPIO85_nPCE_1) = GPIO_bit(GPIO85_nPCE_1);
 154
 155         pxa_gpio_mode(GPIO48_nPOE_MD);
 156         pxa_gpio_mode(GPIO49_nPWE_MD);
 157         pxa_gpio_mode(GPIO50_nPIOR_MD);
 158         pxa_gpio_mode(GPIO51_nPIOW_MD);
 159         pxa_gpio_mode(GPIO55_nPREG_MD);
 160         pxa_gpio_mode(GPIO56_nPWAIT_MD);
 161         pxa_gpio_mode(GPIO57_nIOIS16_MD);
 162         pxa_gpio_mode(GPIO85_nPCE_1_MD);
 163         pxa_gpio_mode(GPIO54_nPCE_2_MD);
 164         pxa_gpio_mode(GPIO104_pSKTSEL_MD);
 165 }
 166
 167 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
 168 {
 169         /* Only need to override behaviour for slot 0 */
 170         if (nr == 0)
 171                 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
 172         else
 173                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
 174 }
 175
 176 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 177 {
 178         .dev        = &spitzscoop_device.dev,
 179         .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
 180         .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
 181         .cd_irq_str = "PCMCIA0 CD",
 182 },{
 183         .dev        = &spitzscoop2_device.dev,
 184         .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
 185         .cd_irq     = -1,
 186 },
 187 };
 188
 189 static struct scoop_pcmcia_config spitz_pcmcia_config = {
 190         .devs         = &spitz_pcmcia_scoop[0],
 191         .num_devs     = 2,
 192         .pcmcia_init  = spitz_pcmcia_init,
 193         .power_ctrl   = spitz_pcmcia_pwr,
 194 };
 195
 196 EXPORT_SYMBOL(spitzscoop_device);
 197 EXPORT_SYMBOL(spitzscoop2_device);
 198
 199
 200 /*
 201  * Spitz SSP Device
 202  *
 203  * Set the parent as the scoop device because a lot of SSP devices
 204  * also use scoop functions and this makes the power up/down order
 205  * work correctly.
 206  */
 207 struct platform_device spitzssp_device = {
 208         .name           = "corgi-ssp",
 209         .dev            = {
 210                 .parent = &spitzscoop_device.dev,
 211         },
 212         .id             = -1,
 213 };
 214
 215 struct corgissp_machinfo spitz_ssp_machinfo = {
 216         .port           = 2,
 217         .cs_lcdcon      = SPITZ_GPIO_LCDCON_CS,
 218         .cs_ads7846     = SPITZ_GPIO_ADS7846_CS,
 219         .cs_max1111     = SPITZ_GPIO_MAX1111_CS,
 220         .clk_lcdcon     = 520,
 221         .clk_ads7846    = 14,
 222         .clk_max1111    = 56,
 223 };
 224
 225
 226 /*
 227  * Spitz Backlight Device
 228  */
 229 static void spitz_bl_kick_battery(void)
 230 {
 231         void (*kick_batt)(void);
 232
 233         kick_batt = symbol_get(sharpsl_battery_kick);
 234         if (kick_batt) {
 235                 kick_batt();
 236                 symbol_put(sharpsl_battery_kick);
 237         }
 238 }
 239
 240 static struct generic_bl_info spitz_bl_machinfo = {
 241         .name = "corgi-bl",
 242         .default_intensity = 0x1f,
 243         .limit_mask = 0x0b,
 244         .max_intensity = 0x2f,
 245         .kick_battery = spitz_bl_kick_battery,
 246 };
 247
 248 static struct platform_device spitzbl_device = {
 249         .name           = "generic-bl",
 250         .dev            = {
 251                 .platform_data  = &spitz_bl_machinfo,
 252         },
 253         .id             = -1,
 254 };
 255
 256
 257 /*
 258  * Spitz Keyboard Device
 259  */
 260 static struct platform_device spitzkbd_device = {
 261         .name           = "spitz-keyboard",
 262         .id             = -1,
 263 };
 264
 265
 266 /*
 267  * Spitz LEDs
 268  */
 269 static struct platform_device spitzled_device = {
 270         .name           = "spitz-led",
 271         .id             = -1,
 272 };
 273
 274 /*
 275  * Spitz Touch Screen Device
 276  */
 277
 278 static unsigned long (*get_hsync_invperiod)(struct device *dev);
 279
 280 static void inline sharpsl_wait_sync(int gpio)
 281 {
 282         while((GPLR(gpio) & GPIO_bit(gpio)) == 0);
 283         while((GPLR(gpio) & GPIO_bit(gpio)) != 0);
 284 }
 285
 286 static struct device *spitz_pxafb_dev;
 287
 288 static int is_pxafb_device(struct device * dev, void * data)
 289 {
 290         struct platform_device *pdev = container_of(dev, struct platform_device, dev);
 291
 292         return (strncmp(pdev->name, "pxa2xx-fb", 9) == 0);
 293 }
 294
 295 static unsigned long spitz_get_hsync_invperiod(void)
 296 {
 297 #ifdef CONFIG_FB_PXA
 298         if (!spitz_pxafb_dev) {
 299                 spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device);
 300                 if (!spitz_pxafb_dev)
 301                         return 0;
 302         }
 303         if (!get_hsync_invperiod)
 304                 get_hsync_invperiod = symbol_get(pxafb_get_hsync_time);
 305         if (!get_hsync_invperiod)
 306 #endif
 307                 return 0;
 308
 309         return get_hsync_invperiod(spitz_pxafb_dev);
 310 }
 311
 312 static void spitz_put_hsync(void)
 313 {
 314         put_device(spitz_pxafb_dev);
 315         if (get_hsync_invperiod)
 316                 symbol_put(pxafb_get_hsync_time);
 317         spitz_pxafb_dev = NULL;
 318         get_hsync_invperiod = NULL;
 319 }
 320
 321 static void spitz_wait_hsync(void)
 322 {
 323         sharpsl_wait_sync(SPITZ_GPIO_HSYNC);
 324 }
 325
 326 static struct resource spitzts_resources[] = {
 327         [0] = {
 328                 .start          = SPITZ_IRQ_GPIO_TP_INT,
 329                 .end            = SPITZ_IRQ_GPIO_TP_INT,
 330                 .flags          = IORESOURCE_IRQ,
 331         },
 332 };
 333
 334 static struct corgits_machinfo  spitz_ts_machinfo = {
 335         .get_hsync_invperiod = spitz_get_hsync_invperiod,
 336         .put_hsync           = spitz_put_hsync,
 337         .wait_hsync          = spitz_wait_hsync,
 338 };
 339
 340 static struct platform_device spitzts_device = {
 341         .name           = "corgi-ts",
 342         .dev            = {
 343                 .parent = &spitzssp_device.dev,
 344                 .platform_data  = &spitz_ts_machinfo,
 345         },
 346         .id             = -1,
 347         .num_resources  = ARRAY_SIZE(spitzts_resources),
 348         .resource       = spitzts_resources,
 349 };
 350
 351
 352 /*
 353  * MMC/SD Device
 354  *
 355  * The card detect interrupt isn't debounced so we delay it by 250ms
 356  * to give the card a chance to fully insert/eject.
 357  */
 358
 359 static struct pxamci_platform_data spitz_mci_platform_data;
 360
 361 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
 362 {
 363         int err;
 364
 365         /* setup GPIO for PXA27x MMC controller */
 366         pxa_gpio_mode(GPIO32_MMCCLK_MD);
 367         pxa_gpio_mode(GPIO112_MMCCMD_MD);
 368         pxa_gpio_mode(GPIO92_MMCDAT0_MD);
 369         pxa_gpio_mode(GPIO109_MMCDAT1_MD);
 370         pxa_gpio_mode(GPIO110_MMCDAT2_MD);
 371         pxa_gpio_mode(GPIO111_MMCDAT3_MD);
 372         pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN);
 373         pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN);
 374
 375         spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 376
 377         err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
 378                           IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 379                           "MMC card detect", data);
 380         if (err)
 381                 printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 382
 383         return err;
 384 }
 385
 386 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
 387 {
 388         struct pxamci_platform_data* p_d = dev->platform_data;
 389
 390         if (( 1 << vdd) & p_d->ocr_mask)
 391                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
 392         else
 393                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
 394 }
 395
 396 static int spitz_mci_get_ro(struct device *dev)
 397 {
 398         return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP);
 399 }
 400
 401 static void spitz_mci_exit(struct device *dev, void *data)
 402 {
 403         free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
 404 }
 405
 406 static struct pxamci_platform_data spitz_mci_platform_data = {
 407         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 408         .init           = spitz_mci_init,
 409         .get_ro         = spitz_mci_get_ro,
 410         .setpower       = spitz_mci_setpower,
 411         .exit           = spitz_mci_exit,
 412 };
 413
 414
 415 /*
 416  * USB Host (OHCI)
 417  */
 418 static int spitz_ohci_init(struct device *dev)
 419 {
 420         /* Only Port 2 is connected */
 421         pxa_gpio_mode(SPITZ_GPIO_USB_CONNECT | GPIO_IN);
 422         pxa_gpio_mode(SPITZ_GPIO_USB_HOST | GPIO_OUT);
 423         pxa_gpio_mode(SPITZ_GPIO_USB_DEVICE | GPIO_IN);
 424
 425         /* Setup USB Port 2 Output Control Register */
 426         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 427
 428         GPSR(SPITZ_GPIO_USB_HOST) = GPIO_bit(SPITZ_GPIO_USB_HOST);
 429
 430         UHCHR = (UHCHR) &
 431                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
 432
 433         UHCRHDA |= UHCRHDA_NOCP;
 434
 435         return 0;
 436 }
 437
 438 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 439         .port_mode      = PMM_NPS_MODE,
 440         .init           = spitz_ohci_init,
 441         .power_budget   = 150,
 442 };
 443
 444
 445 /*
 446  * Irda
 447  */
 448 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
 449 {
 450         if (mode & IR_OFF)
 451                 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
 452         else
 453                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
 454 }
 455
 456 #ifdef CONFIG_MACH_AKITA
 457 static void akita_irda_transceiver_mode(struct device *dev, int mode)
 458 {
 459         if (mode & IR_OFF)
 460                 akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
 461         else
 462                 akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
 463 }
 464 #endif
 465
 466 static struct pxaficp_platform_data spitz_ficp_platform_data = {
 467         .transceiver_cap  = IR_SIRMODE | IR_OFF,
 468         .transceiver_mode = spitz_irda_transceiver_mode,
 469 };
 470
 471
 472 /*
 473  * Spitz PXA Framebuffer
 474  */
 475
 476 static void spitz_lcd_power(int on, struct fb_var_screeninfo *var)
 477 {
 478         if (on)
 479                 corgi_lcdtg_hw_init(var->xres);
 480         else
 481                 corgi_lcdtg_suspend();
 482 }
 483
 484 static struct pxafb_mode_info spitz_pxafb_modes[] = {
 485 {
 486         .pixclock       = 19231,
 487         .xres           = 480,
 488         .yres           = 640,
 489         .bpp            = 16,
 490         .hsync_len      = 40,
 491         .left_margin    = 46,
 492         .right_margin   = 125,
 493         .vsync_len      = 3,
 494         .upper_margin   = 1,
 495         .lower_margin   = 0,
 496         .sync           = 0,
 497 },{
 498         .pixclock       = 134617,
 499         .xres           = 240,
 500         .yres           = 320,
 501         .bpp            = 16,
 502         .hsync_len      = 20,
 503         .left_margin    = 20,
 504         .right_margin   = 46,
 505         .vsync_len      = 2,
 506         .upper_margin   = 1,
 507         .lower_margin   = 0,
 508         .sync           = 0,
 509 },
 510 };
 511
 512 static struct pxafb_mach_info spitz_pxafb_info = {
 513         .modes          = &spitz_pxafb_modes[0],
 514         .num_modes      = 2,
 515         .fixed_modes    = 1,
 516         .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM,
 517         .lccr3          = LCCR3_PixRsEdg | LCCR3_OutEnH,
 518         .pxafb_lcd_power = spitz_lcd_power,
 519 };
 520
 521
 522 static struct platform_device *devices[] __initdata = {
 523         &spitzscoop_device,
 524         &spitzssp_device,
 525         &spitzkbd_device,
 526         &spitzts_device,
 527         &spitzbl_device,
 528         &spitzled_device,
 529 };
 530
 531 static void spitz_poweroff(void)
 532 {
 533         pxa_gpio_mode(SPITZ_GPIO_ON_RESET | GPIO_OUT);
 534         GPSR(SPITZ_GPIO_ON_RESET) = GPIO_bit(SPITZ_GPIO_ON_RESET);
 535
 536         mdelay(1000);
 537         arm_machine_restart('h');
 538 }
 539
 540 static void spitz_restart(char mode)
 541 {
 542         /* Bootloader magic for a reboot */
 543         if((MSC0 & 0xffff0000) == 0x7ff00000)
 544                 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
 545
 546         spitz_poweroff();
 547 }
 548
 549 static void __init common_init(void)
 550 {
 551         pm_power_off = spitz_poweroff;
 552         arm_pm_restart = spitz_restart;
 553
 554         PMCR = 0x00;
 555
 556         /* setup sleep mode values */
 557         PWER  = 0x00000002;
 558         PFER  = 0x00000000;
 559         PRER  = 0x00000002;
 560         PGSR0 = 0x0158C000;
 561         PGSR1 = 0x00FF0080;
 562         PGSR2 = 0x0001C004;
 563
 564         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 565         PCFR |= PCFR_OPDE;
 566
 567         corgi_ssp_set_machinfo(&spitz_ssp_machinfo);
 568
 569         pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN);
 570
 571         platform_add_devices(devices, ARRAY_SIZE(devices));
 572         pxa_set_mci_info(&spitz_mci_platform_data);
 573         pxa_set_ohci_info(&spitz_ohci_platform_data);
 574         pxa_set_ficp_info(&spitz_ficp_platform_data);
 575         set_pxa_fb_parent(&spitzssp_device.dev);
 576         set_pxa_fb_info(&spitz_pxafb_info);
 577 }
 578
 579 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
 580 static void spitz_bl_set_intensity(int intensity)
 581 {
 582         if (intensity > 0x10)
 583                 intensity += 0x10;
 584
 585         /* Bits 0-4 are accessed via the SSP interface */
 586         corgi_ssp_blduty_set(intensity & 0x1f);
 587
 588         /* Bit 5 is via SCOOP */
 589         if (intensity & 0x0020)
 590                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
 591         else
 592                 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
 593
 594         if (intensity)
 595                 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
 596         else
 597                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
 598 }
 599
 600 static void __init spitz_init(void)
 601 {
 602         platform_scoop_config = &spitz_pcmcia_config;
 603
 604         spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity;
 605
 606         common_init();
 607
 608         platform_device_register(&spitzscoop2_device);
 609 }
 610 #endif
 611
 612 #ifdef CONFIG_MACH_AKITA
 613 /*
 614  * Akita IO Expander
 615  */
 616 struct platform_device akitaioexp_device = {
 617         .name           = "akita-ioexp",
 618         .id             = -1,
 619 };
 620
 621 EXPORT_SYMBOL_GPL(akitaioexp_device);
 622
 623 static void akita_bl_set_intensity(int intensity)
 624 {
 625         if (intensity > 0x10)
 626                 intensity += 0x10;
 627
 628         /* Bits 0-4 are accessed via the SSP interface */
 629         corgi_ssp_blduty_set(intensity & 0x1f);
 630
 631         /* Bit 5 is via IO-Expander */
 632         if (intensity & 0x0020)
 633                 akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
 634         else
 635                 akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
 636
 637         if (intensity)
 638                 akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
 639         else
 640                 akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
 641 }
 642
 643 static void __init akita_init(void)
 644 {
 645         spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
 646
 647         /* We just pretend the second element of the array doesn't exist */
 648         spitz_pcmcia_config.num_devs = 1;
 649         platform_scoop_config = &spitz_pcmcia_config;
 650         spitz_bl_machinfo.set_bl_intensity = akita_bl_set_intensity;
 651
 652         platform_device_register(&akitaioexp_device);
 653
 654         spitzscoop_device.dev.parent = &akitaioexp_device.dev;
 655         common_init();
 656 }
 657 #endif
 658
 659 static void __init fixup_spitz(struct machine_desc *desc,
 660                 struct tag *tags, char **cmdline, struct meminfo *mi)
 661 {
 662         sharpsl_save_param();
 663         mi->nr_banks = 1;
 664         mi->bank[0].start = 0xa0000000;
 665         mi->bank[0].node = 0;
 666         mi->bank[0].size = (64*1024*1024);
 667 }
 668
 669 #ifdef CONFIG_MACH_SPITZ
 670 MACHINE_START(SPITZ, "SHARP Spitz")
 671         .phys_io        = 0x40000000,
 672         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 673         .fixup          = fixup_spitz,
 674         .map_io         = pxa_map_io,
 675         .init_irq       = pxa27x_init_irq,
 676         .init_machine   = spitz_init,
 677         .timer          = &pxa_timer,
 678 MACHINE_END
 679 #endif
 680
 681 #ifdef CONFIG_MACH_BORZOI
 682 MACHINE_START(BORZOI, "SHARP Borzoi")
 683         .phys_io        = 0x40000000,
 684         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 685         .fixup          = fixup_spitz,
 686         .map_io         = pxa_map_io,
 687         .init_irq       = pxa27x_init_irq,
 688         .init_machine   = spitz_init,
 689         .timer          = &pxa_timer,
 690 MACHINE_END
 691 #endif
 692
 693 #ifdef CONFIG_MACH_AKITA
 694 MACHINE_START(AKITA, "SHARP Akita")
 695         .phys_io        = 0x40000000,
 696         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 697         .fixup          = fixup_spitz,
 698         .map_io         = pxa_map_io,
 699         .init_irq       = pxa27x_init_irq,
 700         .init_machine   = akita_init,
 701         .timer          = &pxa_timer,
 702 MACHINE_END
 703 #endif