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
  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
  23 #include <media/soc_camera.h>
  24
  25 #include <asm/serial.h>
  26 #include <mach/hardware.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30
  31 #include <plat/io.h>
  32 #include <plat/board-ams-delta.h>
  33 #include <mach/gpio.h>
  34 #include <plat/keypad.h>
  35 #include <plat/mux.h>
  36 #include <plat/usb.h>
  37 #include <plat/board.h>
  38 #include <plat/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 void __init ams_delta_init_irq(void)
 139 {
 140         omap1_init_common_hw();
 141         omap_init_irq();
 142 }
 143
 144 static struct map_desc ams_delta_io_desc[] __initdata = {
 145         /* AMS_DELTA_LATCH1 */
 146         {
 147                 .virtual        = AMS_DELTA_LATCH1_VIRT,
 148                 .pfn            = __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
 149                 .length         = 0x01000000,
 150                 .type           = MT_DEVICE
 151         },
 152         /* AMS_DELTA_LATCH2 */
 153         {
 154                 .virtual        = AMS_DELTA_LATCH2_VIRT,
 155                 .pfn            = __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
 156                 .length         = 0x01000000,
 157                 .type           = MT_DEVICE
 158         },
 159         /* AMS_DELTA_MODEM */
 160         {
 161                 .virtual        = AMS_DELTA_MODEM_VIRT,
 162                 .pfn            = __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
 163                 .length         = 0x01000000,
 164                 .type           = MT_DEVICE
 165         }
 166 };
 167
 168 static struct omap_lcd_config ams_delta_lcd_config = {
 169         .ctrl_name      = "internal",
 170 };
 171
 172 static struct omap_usb_config ams_delta_usb_config __initdata = {
 173         .register_host  = 1,
 174         .hmc_mode       = 16,
 175         .pins[0]        = 2,
 176 };
 177
 178 static struct omap_board_config_kernel ams_delta_config[] __initdata = {
 179         { OMAP_TAG_LCD,         &ams_delta_lcd_config },
 180 };
 181
 182 static struct resource ams_delta_nand_resources[] = {
 183         [0] = {
 184                 .start  = OMAP1_MPUIO_BASE,
 185                 .end    = OMAP1_MPUIO_BASE +
 186                                 OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
 187                 .flags  = IORESOURCE_MEM,
 188         },
 189 };
 190
 191 static struct platform_device ams_delta_nand_device = {
 192         .name   = "ams-delta-nand",
 193         .id     = -1,
 194         .num_resources  = ARRAY_SIZE(ams_delta_nand_resources),
 195         .resource       = ams_delta_nand_resources,
 196 };
 197
 198 static struct resource ams_delta_kp_resources[] = {
 199         [0] = {
 200                 .start  = INT_KEYBOARD,
 201                 .end    = INT_KEYBOARD,
 202                 .flags  = IORESOURCE_IRQ,
 203         },
 204 };
 205
 206 static const struct matrix_keymap_data ams_delta_keymap_data = {
 207         .keymap         = ams_delta_keymap,
 208         .keymap_size    = ARRAY_SIZE(ams_delta_keymap),
 209 };
 210
 211 static struct omap_kp_platform_data ams_delta_kp_data __initdata = {
 212         .rows           = 8,
 213         .cols           = 8,
 214         .keymap_data    = &ams_delta_keymap_data,
 215         .delay          = 9,
 216 };
 217
 218 static struct platform_device ams_delta_kp_device = {
 219         .name           = "omap-keypad",
 220         .id             = -1,
 221         .dev            = {
 222                 .platform_data = &ams_delta_kp_data,
 223         },
 224         .num_resources  = ARRAY_SIZE(ams_delta_kp_resources),
 225         .resource       = ams_delta_kp_resources,
 226 };
 227
 228 static struct platform_device ams_delta_lcd_device = {
 229         .name   = "lcd_ams_delta",
 230         .id     = -1,
 231 };
 232
 233 static struct platform_device ams_delta_led_device = {
 234         .name   = "ams-delta-led",
 235         .id     = -1
 236 };
 237
 238 static struct i2c_board_info ams_delta_camera_board_info[] = {
 239         {
 240                 I2C_BOARD_INFO("ov6650", 0x60),
 241         },
 242 };
 243
 244 #ifdef CONFIG_LEDS_TRIGGERS
 245 DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
 246
 247 static int ams_delta_camera_power(struct device *dev, int power)
 248 {
 249         /*
 250          * turn on camera LED
 251          */
 252         if (power)
 253                 led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
 254         else
 255                 led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
 256         return 0;
 257 }
 258 #else
 259 #define ams_delta_camera_power  NULL
 260 #endif
 261
 262 static struct soc_camera_link ams_delta_iclink = {
 263         .bus_id         = 0,    /* OMAP1 SoC camera bus */
 264         .i2c_adapter_id = 1,
 265         .board_info     = &ams_delta_camera_board_info[0],
 266         .module_name    = "ov6650",
 267         .power          = ams_delta_camera_power,
 268 };
 269
 270 static struct platform_device ams_delta_camera_device = {
 271         .name   = "soc-camera-pdrv",
 272         .id     = 0,
 273         .dev    = {
 274                 .platform_data = &ams_delta_iclink,
 275         },
 276 };
 277
 278 static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
 279         .camexclk_khz   = 12000,        /* default 12MHz clock, no extra DPLL */
 280         .lclk_khz_max   = 1334,         /* results in 5fps CIF, 10fps QCIF */
 281 };
 282
 283 static struct platform_device *ams_delta_devices[] __initdata = {
 284         &ams_delta_nand_device,
 285         &ams_delta_kp_device,
 286         &ams_delta_lcd_device,
 287         &ams_delta_led_device,
 288         &ams_delta_camera_device,
 289 };
 290
 291 static void __init ams_delta_init(void)
 292 {
 293         /* mux pins for uarts */
 294         omap_cfg_reg(UART1_TX);
 295         omap_cfg_reg(UART1_RTS);
 296
 297         /* parallel camera interface */
 298         omap_cfg_reg(H19_1610_CAM_EXCLK);
 299         omap_cfg_reg(J15_1610_CAM_LCLK);
 300         omap_cfg_reg(L18_1610_CAM_VS);
 301         omap_cfg_reg(L15_1610_CAM_HS);
 302         omap_cfg_reg(L19_1610_CAM_D0);
 303         omap_cfg_reg(K14_1610_CAM_D1);
 304         omap_cfg_reg(K15_1610_CAM_D2);
 305         omap_cfg_reg(K19_1610_CAM_D3);
 306         omap_cfg_reg(K18_1610_CAM_D4);
 307         omap_cfg_reg(J14_1610_CAM_D5);
 308         omap_cfg_reg(J19_1610_CAM_D6);
 309         omap_cfg_reg(J18_1610_CAM_D7);
 310
 311         iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
 312
 313         omap_board_config = ams_delta_config;
 314         omap_board_config_size = ARRAY_SIZE(ams_delta_config);
 315         omap_serial_init();
 316         omap_register_i2c_bus(1, 100, NULL, 0);
 317
 318         /* Clear latch2 (NAND, LCD, modem enable) */
 319         ams_delta_latch2_write(~0, 0);
 320
 321         omap1_usb_init(&ams_delta_usb_config);
 322         omap1_set_camera_info(&ams_delta_camera_platform_data);
 323 #ifdef CONFIG_LEDS_TRIGGERS
 324         led_trigger_register_simple("ams_delta_camera",
 325                         &ams_delta_camera_led_trigger);
 326 #endif
 327         platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
 328
 329         ams_delta_init_fiq();
 330
 331         omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
 332 }
 333
 334 static struct plat_serial8250_port ams_delta_modem_ports[] = {
 335         {
 336                 .membase        = IOMEM(AMS_DELTA_MODEM_VIRT),
 337                 .mapbase        = AMS_DELTA_MODEM_PHYS,
 338                 .irq            = -EINVAL, /* changed later */
 339                 .flags          = UPF_BOOT_AUTOCONF,
 340                 .irqflags       = IRQF_TRIGGER_RISING,
 341                 .iotype         = UPIO_MEM,
 342                 .regshift       = 1,
 343                 .uartclk        = BASE_BAUD * 16,
 344         },
 345         { },
 346 };
 347
 348 static struct platform_device ams_delta_modem_device = {
 349         .name   = "serial8250",
 350         .id     = PLAT8250_DEV_PLATFORM1,
 351         .dev            = {
 352                 .platform_data = ams_delta_modem_ports,
 353         },
 354 };
 355
 356 static int __init ams_delta_modem_init(void)
 357 {
 358         int err;
 359
 360         if (!machine_is_ams_delta())
 361                 return -ENODEV;
 362
 363         omap_cfg_reg(M14_1510_GPIO2);
 364         ams_delta_modem_ports[0].irq =
 365                         gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 366
 367         err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
 368         if (err) {
 369                 pr_err("Couldn't request gpio pin for modem\n");
 370                 return err;
 371         }
 372         gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 373
 374         ams_delta_latch2_write(
 375                 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
 376                 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
 377
 378         return platform_device_register(&ams_delta_modem_device);
 379 }
 380 arch_initcall(ams_delta_modem_init);
 381
 382 static void __init ams_delta_map_io(void)
 383 {
 384         omap1_map_common_io();
 385 }
 386
 387 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
 388         /* Maintainer: Jonathan McDowell <noodles@earth.li> */
 389         .boot_params    = 0x10000100,
 390         .map_io         = ams_delta_map_io,
 391         .reserve        = omap_reserve,
 392         .init_irq       = ams_delta_init_irq,
 393         .init_machine   = ams_delta_init,
 394         .timer          = &omap_timer,
 395 MACHINE_END
 396
 397 EXPORT_SYMBOL(ams_delta_latch1_write);
 398 EXPORT_SYMBOL(ams_delta_latch2_write);