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/gpio.h>
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/input.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/leds.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/serial_8250.h>
  22 #include <linux/export.h>
  23
  24 #include <media/soc_camera.h>
  25
  26 #include <asm/serial.h>
  27 #include <mach/hardware.h>
  28 #include <asm/mach-types.h>
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/map.h>
  31
  32 #include <plat/io.h>
  33 #include <plat/board-ams-delta.h>
  34 #include <plat/keypad.h>
  35 #include <plat/mux.h>
  36 #include <plat/usb.h>
  37 #include <plat/board.h>
  38 #include "common.h"
  39 #include <mach/camera.h>
  40
  41 #include <mach/ams-delta-fiq.h>
  42
  43 static u8 ams_delta_latch1_reg;
  44 static u16 ams_delta_latch2_reg;
  45
  46 static const unsigned int ams_delta_keymap[] = {
  47         KEY(0, 0, KEY_F1),              /* Advert    */
  48
  49         KEY(0, 3, KEY_COFFEE),          /* Games     */
  50         KEY(0, 2, KEY_QUESTION),        /* Directory */
  51         KEY(2, 3, KEY_CONNECT),         /* Internet  */
  52         KEY(1, 2, KEY_SHOP),            /* Services  */
  53         KEY(1, 1, KEY_PHONE),           /* VoiceMail */
  54
  55         KEY(0, 1, KEY_DELETE),          /* Delete    */
  56         KEY(2, 2, KEY_PLAY),            /* Play      */
  57         KEY(1, 0, KEY_PAGEUP),          /* Up        */
  58         KEY(1, 3, KEY_PAGEDOWN),        /* Down      */
  59         KEY(2, 0, KEY_EMAIL),           /* ReadEmail */
  60         KEY(2, 1, KEY_STOP),            /* Stop      */
  61
  62         /* Numeric keypad portion */
  63         KEY(0, 7, KEY_KP1),
  64         KEY(0, 6, KEY_KP2),
  65         KEY(0, 5, KEY_KP3),
  66         KEY(1, 7, KEY_KP4),
  67         KEY(1, 6, KEY_KP5),
  68         KEY(1, 5, KEY_KP6),
  69         KEY(2, 7, KEY_KP7),
  70         KEY(2, 6, KEY_KP8),
  71         KEY(2, 5, KEY_KP9),
  72         KEY(3, 6, KEY_KP0),
  73         KEY(3, 7, KEY_KPASTERISK),
  74         KEY(3, 5, KEY_KPDOT),           /* # key     */
  75         KEY(7, 2, KEY_NUMLOCK),         /* Mute      */
  76         KEY(7, 1, KEY_KPMINUS),         /* Recall    */
  77         KEY(6, 1, KEY_KPPLUS),          /* Redial    */
  78         KEY(7, 6, KEY_KPSLASH),         /* Handsfree */
  79         KEY(6, 0, KEY_ENTER),           /* Video     */
  80
  81         KEY(7, 4, KEY_CAMERA),          /* Photo     */
  82
  83         KEY(0, 4, KEY_F2),              /* Home      */
  84         KEY(1, 4, KEY_F3),              /* Office    */
  85         KEY(2, 4, KEY_F4),              /* Mobile    */
  86         KEY(7, 7, KEY_F5),              /* SMS       */
  87         KEY(7, 5, KEY_F6),              /* Email     */
  88
  89         /* QWERTY portion of keypad */
  90         KEY(3, 4, KEY_Q),
  91         KEY(3, 3, KEY_W),
  92         KEY(3, 2, KEY_E),
  93         KEY(3, 1, KEY_R),
  94         KEY(3, 0, KEY_T),
  95         KEY(4, 7, KEY_Y),
  96         KEY(4, 6, KEY_U),
  97         KEY(4, 5, KEY_I),
  98         KEY(4, 4, KEY_O),
  99         KEY(4, 3, KEY_P),
 100
 101         KEY(4, 2, KEY_A),
 102         KEY(4, 1, KEY_S),
 103         KEY(4, 0, KEY_D),
 104         KEY(5, 7, KEY_F),
 105         KEY(5, 6, KEY_G),
 106         KEY(5, 5, KEY_H),
 107         KEY(5, 4, KEY_J),
 108         KEY(5, 3, KEY_K),
 109         KEY(5, 2, KEY_L),
 110
 111         KEY(5, 1, KEY_Z),
 112         KEY(5, 0, KEY_X),
 113         KEY(6, 7, KEY_C),
 114         KEY(6, 6, KEY_V),
 115         KEY(6, 5, KEY_B),
 116         KEY(6, 4, KEY_N),
 117         KEY(6, 3, KEY_M),
 118         KEY(6, 2, KEY_SPACE),
 119
 120         KEY(7, 0, KEY_LEFTSHIFT),       /* Vol up    */
 121         KEY(7, 3, KEY_LEFTCTRL),        /* Vol down  */
 122 };
 123
 124 void ams_delta_latch1_write(u8 mask, u8 value)
 125 {
 126         ams_delta_latch1_reg &= ~mask;
 127         ams_delta_latch1_reg |= value;
 128         *(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
 129 }
 130
 131 void ams_delta_latch2_write(u16 mask, u16 value)
 132 {
 133         ams_delta_latch2_reg &= ~mask;
 134         ams_delta_latch2_reg |= value;
 135         *(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
 136 }
 137
 138 static struct map_desc ams_delta_io_desc[] __initdata = {
 139         /* AMS_DELTA_LATCH1 */
 140         {
 141                 .virtual        = AMS_DELTA_LATCH1_VIRT,
 142                 .pfn            = __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
 143                 .length         = 0x01000000,
 144                 .type           = MT_DEVICE
 145         },
 146         /* AMS_DELTA_LATCH2 */
 147         {
 148                 .virtual        = AMS_DELTA_LATCH2_VIRT,
 149                 .pfn            = __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
 150                 .length         = 0x01000000,
 151                 .type           = MT_DEVICE
 152         },
 153         /* AMS_DELTA_MODEM */
 154         {
 155                 .virtual        = AMS_DELTA_MODEM_VIRT,
 156                 .pfn            = __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
 157                 .length         = 0x01000000,
 158                 .type           = MT_DEVICE
 159         }
 160 };
 161
 162 static struct omap_lcd_config ams_delta_lcd_config = {
 163         .ctrl_name      = "internal",
 164 };
 165
 166 static struct omap_usb_config ams_delta_usb_config __initdata = {
 167         .register_host  = 1,
 168         .hmc_mode       = 16,
 169         .pins[0]        = 2,
 170 };
 171
 172 static struct omap_board_config_kernel ams_delta_config[] __initdata = {
 173         { OMAP_TAG_LCD,         &ams_delta_lcd_config },
 174 };
 175
 176 static struct resource ams_delta_nand_resources[] = {
 177         [0] = {
 178                 .start  = OMAP1_MPUIO_BASE,
 179                 .end    = OMAP1_MPUIO_BASE +
 180                                 OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
 181                 .flags  = IORESOURCE_MEM,
 182         },
 183 };
 184
 185 static struct platform_device ams_delta_nand_device = {
 186         .name   = "ams-delta-nand",
 187         .id     = -1,
 188         .num_resources  = ARRAY_SIZE(ams_delta_nand_resources),
 189         .resource       = ams_delta_nand_resources,
 190 };
 191
 192 static struct resource ams_delta_kp_resources[] = {
 193         [0] = {
 194                 .start  = INT_KEYBOARD,
 195                 .end    = INT_KEYBOARD,
 196                 .flags  = IORESOURCE_IRQ,
 197         },
 198 };
 199
 200 static const struct matrix_keymap_data ams_delta_keymap_data = {
 201         .keymap         = ams_delta_keymap,
 202         .keymap_size    = ARRAY_SIZE(ams_delta_keymap),
 203 };
 204
 205 static struct omap_kp_platform_data ams_delta_kp_data __initdata = {
 206         .rows           = 8,
 207         .cols           = 8,
 208         .keymap_data    = &ams_delta_keymap_data,
 209         .delay          = 9,
 210 };
 211
 212 static struct platform_device ams_delta_kp_device = {
 213         .name           = "omap-keypad",
 214         .id             = -1,
 215         .dev            = {
 216                 .platform_data = &ams_delta_kp_data,
 217         },
 218         .num_resources  = ARRAY_SIZE(ams_delta_kp_resources),
 219         .resource       = ams_delta_kp_resources,
 220 };
 221
 222 static struct platform_device ams_delta_lcd_device = {
 223         .name   = "lcd_ams_delta",
 224         .id     = -1,
 225 };
 226
 227 static struct platform_device ams_delta_led_device = {
 228         .name   = "ams-delta-led",
 229         .id     = -1
 230 };
 231
 232 static struct i2c_board_info ams_delta_camera_board_info[] = {
 233         {
 234                 I2C_BOARD_INFO("ov6650", 0x60),
 235         },
 236 };
 237
 238 #ifdef CONFIG_LEDS_TRIGGERS
 239 DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
 240
 241 static int ams_delta_camera_power(struct device *dev, int power)
 242 {
 243         /*
 244          * turn on camera LED
 245          */
 246         if (power)
 247                 led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
 248         else
 249                 led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
 250         return 0;
 251 }
 252 #else
 253 #define ams_delta_camera_power  NULL
 254 #endif
 255
 256 static struct soc_camera_link ams_delta_iclink = {
 257         .bus_id         = 0,    /* OMAP1 SoC camera bus */
 258         .i2c_adapter_id = 1,
 259         .board_info     = &ams_delta_camera_board_info[0],
 260         .module_name    = "ov6650",
 261         .power          = ams_delta_camera_power,
 262 };
 263
 264 static struct platform_device ams_delta_camera_device = {
 265         .name   = "soc-camera-pdrv",
 266         .id     = 0,
 267         .dev    = {
 268                 .platform_data = &ams_delta_iclink,
 269         },
 270 };
 271
 272 static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
 273         .camexclk_khz   = 12000,        /* default 12MHz clock, no extra DPLL */
 274         .lclk_khz_max   = 1334,         /* results in 5fps CIF, 10fps QCIF */
 275 };
 276
 277 static struct platform_device *ams_delta_devices[] __initdata = {
 278         &ams_delta_nand_device,
 279         &ams_delta_kp_device,
 280         &ams_delta_lcd_device,
 281         &ams_delta_led_device,
 282         &ams_delta_camera_device,
 283 };
 284
 285 static void __init ams_delta_init(void)
 286 {
 287         /* mux pins for uarts */
 288         omap_cfg_reg(UART1_TX);
 289         omap_cfg_reg(UART1_RTS);
 290
 291         /* parallel camera interface */
 292         omap_cfg_reg(H19_1610_CAM_EXCLK);
 293         omap_cfg_reg(J15_1610_CAM_LCLK);
 294         omap_cfg_reg(L18_1610_CAM_VS);
 295         omap_cfg_reg(L15_1610_CAM_HS);
 296         omap_cfg_reg(L19_1610_CAM_D0);
 297         omap_cfg_reg(K14_1610_CAM_D1);
 298         omap_cfg_reg(K15_1610_CAM_D2);
 299         omap_cfg_reg(K19_1610_CAM_D3);
 300         omap_cfg_reg(K18_1610_CAM_D4);
 301         omap_cfg_reg(J14_1610_CAM_D5);
 302         omap_cfg_reg(J19_1610_CAM_D6);
 303         omap_cfg_reg(J18_1610_CAM_D7);
 304
 305         omap_board_config = ams_delta_config;
 306         omap_board_config_size = ARRAY_SIZE(ams_delta_config);
 307         omap_serial_init();
 308         omap_register_i2c_bus(1, 100, NULL, 0);
 309
 310         /* Clear latch2 (NAND, LCD, modem enable) */
 311         ams_delta_latch2_write(~0, 0);
 312
 313         omap1_usb_init(&ams_delta_usb_config);
 314         omap1_set_camera_info(&ams_delta_camera_platform_data);
 315 #ifdef CONFIG_LEDS_TRIGGERS
 316         led_trigger_register_simple("ams_delta_camera",
 317                         &ams_delta_camera_led_trigger);
 318 #endif
 319         platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
 320
 321         ams_delta_init_fiq();
 322
 323         omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
 324 }
 325
 326 static struct plat_serial8250_port ams_delta_modem_ports[] = {
 327         {
 328                 .membase        = IOMEM(AMS_DELTA_MODEM_VIRT),
 329                 .mapbase        = AMS_DELTA_MODEM_PHYS,
 330                 .irq            = -EINVAL, /* changed later */
 331                 .flags          = UPF_BOOT_AUTOCONF,
 332                 .irqflags       = IRQF_TRIGGER_RISING,
 333                 .iotype         = UPIO_MEM,
 334                 .regshift       = 1,
 335                 .uartclk        = BASE_BAUD * 16,
 336         },
 337         { },
 338 };
 339
 340 static struct platform_device ams_delta_modem_device = {
 341         .name   = "serial8250",
 342         .id     = PLAT8250_DEV_PLATFORM1,
 343         .dev            = {
 344                 .platform_data = ams_delta_modem_ports,
 345         },
 346 };
 347
 348 static int __init ams_delta_modem_init(void)
 349 {
 350         int err;
 351
 352         if (!machine_is_ams_delta())
 353                 return -ENODEV;
 354
 355         omap_cfg_reg(M14_1510_GPIO2);
 356         ams_delta_modem_ports[0].irq =
 357                         gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 358
 359         err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
 360         if (err) {
 361                 pr_err("Couldn't request gpio pin for modem\n");
 362                 return err;
 363         }
 364         gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 365
 366         ams_delta_latch2_write(
 367                 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
 368                 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
 369
 370         return platform_device_register(&ams_delta_modem_device);
 371 }
 372 arch_initcall(ams_delta_modem_init);
 373
 374 static void __init ams_delta_map_io(void)
 375 {
 376         omap15xx_map_io();
 377         iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
 378 }
 379
 380 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
 381         /* Maintainer: Jonathan McDowell <noodles@earth.li> */
 382         .atag_offset    = 0x100,
 383         .map_io         = ams_delta_map_io,
 384         .init_early     = omap1_init_early,
 385         .reserve        = omap_reserve,
 386         .init_irq       = omap1_init_irq,
 387         .init_machine   = ams_delta_init,
 388         .timer          = &omap1_timer,
 389         .restart        = omap1_restart,
 390 MACHINE_END
 391
 392 EXPORT_SYMBOL(ams_delta_latch1_write);
 393 EXPORT_SYMBOL(ams_delta_latch2_write);