arch/arm/mach-omap1/board-ams-delta.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-ams-delta.c
   3  *
   4  * Modified from board-generic.c
   5  *
   6  * Board specific inits for the Amstrad E3 (codename Delta) videophone
   7  *
   8  * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
   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 #include <linux/basic_mmio_gpio.h>
  15 #include <linux/gpio.h>
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/input.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/leds.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/serial_8250.h>
  23 #include <linux/export.h>
  24
  25 #include <media/soc_camera.h>
  26
  27 #include <asm/serial.h>
  28 #include <mach/hardware.h>
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31 #include <asm/mach/map.h>
  32
  33 #include <plat/io.h>
  34 #include <plat/board-ams-delta.h>
  35 #include <plat/keypad.h>
  36 #include <plat/mux.h>
  37 #include <plat/usb.h>
  38 #include <plat/board.h>
  39 #include "common.h"
  40 #include <mach/camera.h>
  41
  42 #include <mach/ams-delta-fiq.h>
  43
  44 static const unsigned int ams_delta_keymap[] = {
  45         KEY(0, 0, KEY_F1),              /* Advert    */
  46
  47         KEY(0, 3, KEY_COFFEE),          /* Games     */
  48         KEY(0, 2, KEY_QUESTION),        /* Directory */
  49         KEY(2, 3, KEY_CONNECT),         /* Internet  */
  50         KEY(1, 2, KEY_SHOP),            /* Services  */
  51         KEY(1, 1, KEY_PHONE),           /* VoiceMail */
  52
  53         KEY(0, 1, KEY_DELETE),          /* Delete    */
  54         KEY(2, 2, KEY_PLAY),            /* Play      */
  55         KEY(1, 0, KEY_PAGEUP),          /* Up        */
  56         KEY(1, 3, KEY_PAGEDOWN),        /* Down      */
  57         KEY(2, 0, KEY_EMAIL),           /* ReadEmail */
  58         KEY(2, 1, KEY_STOP),            /* Stop      */
  59
  60         /* Numeric keypad portion */
  61         KEY(0, 7, KEY_KP1),
  62         KEY(0, 6, KEY_KP2),
  63         KEY(0, 5, KEY_KP3),
  64         KEY(1, 7, KEY_KP4),
  65         KEY(1, 6, KEY_KP5),
  66         KEY(1, 5, KEY_KP6),
  67         KEY(2, 7, KEY_KP7),
  68         KEY(2, 6, KEY_KP8),
  69         KEY(2, 5, KEY_KP9),
  70         KEY(3, 6, KEY_KP0),
  71         KEY(3, 7, KEY_KPASTERISK),
  72         KEY(3, 5, KEY_KPDOT),           /* # key     */
  73         KEY(7, 2, KEY_NUMLOCK),         /* Mute      */
  74         KEY(7, 1, KEY_KPMINUS),         /* Recall    */
  75         KEY(6, 1, KEY_KPPLUS),          /* Redial    */
  76         KEY(7, 6, KEY_KPSLASH),         /* Handsfree */
  77         KEY(6, 0, KEY_ENTER),           /* Video     */
  78
  79         KEY(7, 4, KEY_CAMERA),          /* Photo     */
  80
  81         KEY(0, 4, KEY_F2),              /* Home      */
  82         KEY(1, 4, KEY_F3),              /* Office    */
  83         KEY(2, 4, KEY_F4),              /* Mobile    */
  84         KEY(7, 7, KEY_F5),              /* SMS       */
  85         KEY(7, 5, KEY_F6),              /* Email     */
  86
  87         /* QWERTY portion of keypad */
  88         KEY(3, 4, KEY_Q),
  89         KEY(3, 3, KEY_W),
  90         KEY(3, 2, KEY_E),
  91         KEY(3, 1, KEY_R),
  92         KEY(3, 0, KEY_T),
  93         KEY(4, 7, KEY_Y),
  94         KEY(4, 6, KEY_U),
  95         KEY(4, 5, KEY_I),
  96         KEY(4, 4, KEY_O),
  97         KEY(4, 3, KEY_P),
  98
  99         KEY(4, 2, KEY_A),
 100         KEY(4, 1, KEY_S),
 101         KEY(4, 0, KEY_D),
 102         KEY(5, 7, KEY_F),
 103         KEY(5, 6, KEY_G),
 104         KEY(5, 5, KEY_H),
 105         KEY(5, 4, KEY_J),
 106         KEY(5, 3, KEY_K),
 107         KEY(5, 2, KEY_L),
 108
 109         KEY(5, 1, KEY_Z),
 110         KEY(5, 0, KEY_X),
 111         KEY(6, 7, KEY_C),
 112         KEY(6, 6, KEY_V),
 113         KEY(6, 5, KEY_B),
 114         KEY(6, 4, KEY_N),
 115         KEY(6, 3, KEY_M),
 116         KEY(6, 2, KEY_SPACE),
 117
 118         KEY(7, 0, KEY_LEFTSHIFT),       /* Vol up    */
 119         KEY(7, 3, KEY_LEFTCTRL),        /* Vol down  */
 120 };
 121
 122 #define LATCH1_PHYS     0x01000000
 123 #define LATCH1_VIRT     0xEA000000
 124 #define MODEM_PHYS      0x04000000
 125 #define MODEM_VIRT      0xEB000000
 126 #define LATCH2_PHYS     0x08000000
 127 #define LATCH2_VIRT     0xEC000000
 128
 129 static struct map_desc ams_delta_io_desc[] __initdata = {
 130         /* AMS_DELTA_LATCH1 */
 131         {
 132                 .virtual        = LATCH1_VIRT,
 133                 .pfn            = __phys_to_pfn(LATCH1_PHYS),
 134                 .length         = 0x01000000,
 135                 .type           = MT_DEVICE
 136         },
 137         /* AMS_DELTA_LATCH2 */
 138         {
 139                 .virtual        = LATCH2_VIRT,
 140                 .pfn            = __phys_to_pfn(LATCH2_PHYS),
 141                 .length         = 0x01000000,
 142                 .type           = MT_DEVICE
 143         },
 144         /* AMS_DELTA_MODEM */
 145         {
 146                 .virtual        = MODEM_VIRT,
 147                 .pfn            = __phys_to_pfn(MODEM_PHYS),
 148                 .length         = 0x01000000,
 149                 .type           = MT_DEVICE
 150         }
 151 };
 152
 153 static struct omap_lcd_config ams_delta_lcd_config = {
 154         .ctrl_name      = "internal",
 155 };
 156
 157 static struct omap_usb_config ams_delta_usb_config __initdata = {
 158         .register_host  = 1,
 159         .hmc_mode       = 16,
 160         .pins[0]        = 2,
 161 };
 162
 163 static struct omap_board_config_kernel ams_delta_config[] __initdata = {
 164         { OMAP_TAG_LCD,         &ams_delta_lcd_config },
 165 };
 166
 167 #define LATCH1_GPIO_BASE        232
 168 #define LATCH1_NGPIO            8
 169
 170 static struct resource latch1_resources[] __initconst = {
 171         [0] = {
 172                 .name   = "dat",
 173                 .start  = LATCH1_PHYS,
 174                 .end    = LATCH1_PHYS + (LATCH1_NGPIO - 1) / 8,
 175                 .flags  = IORESOURCE_MEM,
 176         },
 177 };
 178
 179 static struct bgpio_pdata latch1_pdata __initconst = {
 180         .base   = LATCH1_GPIO_BASE,
 181         .ngpio  = LATCH1_NGPIO,
 182 };
 183
 184 static struct platform_device latch1_gpio_device = {
 185         .name           = "basic-mmio-gpio",
 186         .id             = 0,
 187         .resource       = latch1_resources,
 188         .num_resources  = ARRAY_SIZE(latch1_resources),
 189         .dev            = {
 190                 .platform_data  = &latch1_pdata,
 191         },
 192 };
 193
 194 static struct resource latch2_resources[] __initconst = {
 195         [0] = {
 196                 .name   = "dat",
 197                 .start  = LATCH2_PHYS,
 198                 .end    = LATCH2_PHYS + (AMS_DELTA_LATCH2_NGPIO - 1) / 8,
 199                 .flags  = IORESOURCE_MEM,
 200         },
 201 };
 202
 203 static struct bgpio_pdata latch2_pdata __initconst = {
 204         .base   = AMS_DELTA_LATCH2_GPIO_BASE,
 205         .ngpio  = AMS_DELTA_LATCH2_NGPIO,
 206 };
 207
 208 static struct platform_device latch2_gpio_device = {
 209         .name           = "basic-mmio-gpio",
 210         .id             = 1,
 211         .resource       = latch2_resources,
 212         .num_resources  = ARRAY_SIZE(latch2_resources),
 213         .dev            = {
 214                 .platform_data  = &latch2_pdata,
 215         },
 216 };
 217
 218 static struct gpio latch_gpios[] __initconst = {
 219         {
 220                 .gpio   = LATCH1_GPIO_BASE + 6,
 221                 .flags  = GPIOF_OUT_INIT_LOW,
 222                 .label  = "dockit1",
 223         },
 224         {
 225                 .gpio   = LATCH1_GPIO_BASE + 7,
 226                 .flags  = GPIOF_OUT_INIT_LOW,
 227                 .label  = "dockit2",
 228         },
 229         {
 230                 .gpio   = AMS_DELTA_GPIO_PIN_SCARD_RSTIN,
 231                 .flags  = GPIOF_OUT_INIT_LOW,
 232                 .label  = "scard_rstin",
 233         },
 234         {
 235                 .gpio   = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC,
 236                 .flags  = GPIOF_OUT_INIT_LOW,
 237                 .label  = "scard_cmdvcc",
 238         },
 239         {
 240                 .gpio   = AMS_DELTA_GPIO_PIN_MODEM_NRESET,
 241                 .flags  = GPIOF_OUT_INIT_LOW,
 242                 .label  = "modem_nreset",
 243         },
 244         {
 245                 .gpio   = AMS_DELTA_GPIO_PIN_MODEM_CODEC,
 246                 .flags  = GPIOF_OUT_INIT_LOW,
 247                 .label  = "modem_codec",
 248         },
 249         {
 250                 .gpio   = AMS_DELTA_LATCH2_GPIO_BASE + 14,
 251                 .flags  = GPIOF_OUT_INIT_LOW,
 252                 .label  = "hookflash1",
 253         },
 254         {
 255                 .gpio   = AMS_DELTA_LATCH2_GPIO_BASE + 15,
 256                 .flags  = GPIOF_OUT_INIT_LOW,
 257                 .label  = "hookflash2",
 258         },
 259 };
 260
 261 void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value)
 262 {
 263         int bit = 0;
 264         u16 bitpos = 1 << bit;
 265
 266         for (; bit < ngpio; bit++, bitpos = bitpos << 1) {
 267                 if (!(mask & bitpos))
 268                         continue;
 269                 gpio_set_value(base + bit, (value & bitpos) != 0);
 270         }
 271 }
 272 EXPORT_SYMBOL(ams_delta_latch_write);
 273
 274 static struct resource ams_delta_nand_resources[] = {
 275         [0] = {
 276                 .start  = OMAP1_MPUIO_BASE,
 277                 .end    = OMAP1_MPUIO_BASE +
 278                                 OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
 279                 .flags  = IORESOURCE_MEM,
 280         },
 281 };
 282
 283 static struct platform_device ams_delta_nand_device = {
 284         .name   = "ams-delta-nand",
 285         .id     = -1,
 286         .num_resources  = ARRAY_SIZE(ams_delta_nand_resources),
 287         .resource       = ams_delta_nand_resources,
 288 };
 289
 290 static struct resource ams_delta_kp_resources[] = {
 291         [0] = {
 292                 .start  = INT_KEYBOARD,
 293                 .end    = INT_KEYBOARD,
 294                 .flags  = IORESOURCE_IRQ,
 295         },
 296 };
 297
 298 static const struct matrix_keymap_data ams_delta_keymap_data = {
 299         .keymap         = ams_delta_keymap,
 300         .keymap_size    = ARRAY_SIZE(ams_delta_keymap),
 301 };
 302
 303 static struct omap_kp_platform_data ams_delta_kp_data __initdata = {
 304         .rows           = 8,
 305         .cols           = 8,
 306         .keymap_data    = &ams_delta_keymap_data,
 307         .delay          = 9,
 308 };
 309
 310 static struct platform_device ams_delta_kp_device = {
 311         .name           = "omap-keypad",
 312         .id             = -1,
 313         .dev            = {
 314                 .platform_data = &ams_delta_kp_data,
 315         },
 316         .num_resources  = ARRAY_SIZE(ams_delta_kp_resources),
 317         .resource       = ams_delta_kp_resources,
 318 };
 319
 320 static struct platform_device ams_delta_lcd_device = {
 321         .name   = "lcd_ams_delta",
 322         .id     = -1,
 323 };
 324
 325 static struct gpio_led gpio_leds[] __initconst = {
 326         {
 327                 .name            = "camera",
 328                 .gpio            = LATCH1_GPIO_BASE + 0,
 329                 .default_state   = LEDS_GPIO_DEFSTATE_OFF,
 330 #ifdef CONFIG_LEDS_TRIGGERS
 331                 .default_trigger = "ams_delta_camera",
 332 #endif
 333         },
 334         {
 335                 .name            = "advert",
 336                 .gpio            = LATCH1_GPIO_BASE + 1,
 337                 .default_state   = LEDS_GPIO_DEFSTATE_OFF,
 338         },
 339         {
 340                 .name            = "email",
 341                 .gpio            = LATCH1_GPIO_BASE + 2,
 342                 .default_state   = LEDS_GPIO_DEFSTATE_OFF,
 343         },
 344         {
 345                 .name            = "handsfree",
 346                 .gpio            = LATCH1_GPIO_BASE + 3,
 347                 .default_state   = LEDS_GPIO_DEFSTATE_OFF,
 348         },
 349         {
 350                 .name            = "voicemail",
 351                 .gpio            = LATCH1_GPIO_BASE + 4,
 352                 .default_state   = LEDS_GPIO_DEFSTATE_OFF,
 353         },
 354         {
 355                 .name            = "voice",
 356                 .gpio            = LATCH1_GPIO_BASE + 5,
 357                 .default_state   = LEDS_GPIO_DEFSTATE_OFF,
 358         },
 359 };
 360
 361 static struct gpio_led_platform_data leds_pdata __initconst = {
 362         .leds           = gpio_leds,
 363         .num_leds       = ARRAY_SIZE(gpio_leds),
 364 };
 365
 366 static struct i2c_board_info ams_delta_camera_board_info[] = {
 367         {
 368                 I2C_BOARD_INFO("ov6650", 0x60),
 369         },
 370 };
 371
 372 #ifdef CONFIG_LEDS_TRIGGERS
 373 DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
 374
 375 static int ams_delta_camera_power(struct device *dev, int power)
 376 {
 377         /*
 378          * turn on camera LED
 379          */
 380         if (power)
 381                 led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
 382         else
 383                 led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
 384         return 0;
 385 }
 386 #else
 387 #define ams_delta_camera_power  NULL
 388 #endif
 389
 390 static struct soc_camera_link ams_delta_iclink = {
 391         .bus_id         = 0,    /* OMAP1 SoC camera bus */
 392         .i2c_adapter_id = 1,
 393         .board_info     = &ams_delta_camera_board_info[0],
 394         .module_name    = "ov6650",
 395         .power          = ams_delta_camera_power,
 396 };
 397
 398 static struct platform_device ams_delta_camera_device = {
 399         .name   = "soc-camera-pdrv",
 400         .id     = 0,
 401         .dev    = {
 402                 .platform_data = &ams_delta_iclink,
 403         },
 404 };
 405
 406 static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
 407         .camexclk_khz   = 12000,        /* default 12MHz clock, no extra DPLL */
 408         .lclk_khz_max   = 1334,         /* results in 5fps CIF, 10fps QCIF */
 409 };
 410
 411 static struct platform_device *ams_delta_devices[] __initdata = {
 412         &latch1_gpio_device,
 413         &latch2_gpio_device,
 414         &ams_delta_kp_device,
 415         &ams_delta_camera_device,
 416 };
 417
 418 static struct platform_device *late_devices[] __initconst = {
 419         &ams_delta_nand_device,
 420         &ams_delta_lcd_device,
 421 };
 422
 423 static void __init ams_delta_init(void)
 424 {
 425         /* mux pins for uarts */
 426         omap_cfg_reg(UART1_TX);
 427         omap_cfg_reg(UART1_RTS);
 428
 429         /* parallel camera interface */
 430         omap_cfg_reg(H19_1610_CAM_EXCLK);
 431         omap_cfg_reg(J15_1610_CAM_LCLK);
 432         omap_cfg_reg(L18_1610_CAM_VS);
 433         omap_cfg_reg(L15_1610_CAM_HS);
 434         omap_cfg_reg(L19_1610_CAM_D0);
 435         omap_cfg_reg(K14_1610_CAM_D1);
 436         omap_cfg_reg(K15_1610_CAM_D2);
 437         omap_cfg_reg(K19_1610_CAM_D3);
 438         omap_cfg_reg(K18_1610_CAM_D4);
 439         omap_cfg_reg(J14_1610_CAM_D5);
 440         omap_cfg_reg(J19_1610_CAM_D6);
 441         omap_cfg_reg(J18_1610_CAM_D7);
 442
 443         omap_board_config = ams_delta_config;
 444         omap_board_config_size = ARRAY_SIZE(ams_delta_config);
 445         omap_serial_init();
 446         omap_register_i2c_bus(1, 100, NULL, 0);
 447
 448         omap1_usb_init(&ams_delta_usb_config);
 449         omap1_set_camera_info(&ams_delta_camera_platform_data);
 450 #ifdef CONFIG_LEDS_TRIGGERS
 451         led_trigger_register_simple("ams_delta_camera",
 452                         &ams_delta_camera_led_trigger);
 453 #endif
 454         gpio_led_register_device(-1, &leds_pdata);
 455         platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
 456
 457         ams_delta_init_fiq();
 458
 459         omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
 460 }
 461
 462 static struct plat_serial8250_port ams_delta_modem_ports[] = {
 463         {
 464                 .membase        = IOMEM(MODEM_VIRT),
 465                 .mapbase        = MODEM_PHYS,
 466                 .irq            = -EINVAL, /* changed later */
 467                 .flags          = UPF_BOOT_AUTOCONF,
 468                 .irqflags       = IRQF_TRIGGER_RISING,
 469                 .iotype         = UPIO_MEM,
 470                 .regshift       = 1,
 471                 .uartclk        = BASE_BAUD * 16,
 472         },
 473         { },
 474 };
 475
 476 static struct platform_device ams_delta_modem_device = {
 477         .name   = "serial8250",
 478         .id     = PLAT8250_DEV_PLATFORM1,
 479         .dev            = {
 480                 .platform_data = ams_delta_modem_ports,
 481         },
 482 };
 483
 484 static int __init late_init(void)
 485 {
 486         int err;
 487
 488         if (!machine_is_ams_delta())
 489                 return -ENODEV;
 490
 491         err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios));
 492         if (err) {
 493                 pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
 494                 return err;
 495         }
 496
 497         platform_add_devices(late_devices, ARRAY_SIZE(late_devices));
 498
 499         omap_cfg_reg(M14_1510_GPIO2);
 500         ams_delta_modem_ports[0].irq =
 501                         gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 502
 503         err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
 504         if (err) {
 505                 pr_err("Couldn't request gpio pin for modem\n");
 506                 return err;
 507         }
 508         gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 509
 510         ams_delta_latch2_write(
 511                 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
 512                 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
 513
 514         err = platform_device_register(&ams_delta_modem_device);
 515         if (err)
 516                 goto gpio_free;
 517         return 0;
 518
 519 gpio_free:
 520         gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 521         return err;
 522 }
 523 late_initcall(late_init);
 524
 525 static void __init ams_delta_map_io(void)
 526 {
 527         omap15xx_map_io();
 528         iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
 529 }
 530
 531 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
 532         /* Maintainer: Jonathan McDowell <noodles@earth.li> */
 533         .atag_offset    = 0x100,
 534         .map_io         = ams_delta_map_io,
 535         .init_early     = omap1_init_early,
 536         .reserve        = omap_reserve,
 537         .init_irq       = omap1_init_irq,
 538         .init_machine   = ams_delta_init,
 539         .timer          = &omap1_timer,
 540         .restart        = omap1_restart,
 541 MACHINE_END