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/board-ams-delta.h>
  32 #include <mach/gpio.h>
  33 #include <plat/keypad.h>
  34 #include <plat/mux.h>
  35 #include <plat/usb.h>
  36 #include <plat/board.h>
  37 #include <plat/common.h>
  38 #include <mach/camera.h>
  39
  40 #include <mach/ams-delta-fiq.h>
  41
  42 static u8 ams_delta_latch1_reg;
  43 static u16 ams_delta_latch2_reg;
  44
  45 static int ams_delta_keymap[] = {
  46         KEY(0, 0, KEY_F1),              /* Advert    */
  47
  48         KEY(3, 0, KEY_COFFEE),          /* Games     */
  49         KEY(2, 0, KEY_QUESTION),        /* Directory */
  50         KEY(3, 2, KEY_CONNECT),         /* Internet  */
  51         KEY(2, 1, KEY_SHOP),            /* Services  */
  52         KEY(1, 1, KEY_PHONE),           /* VoiceMail */
  53
  54         KEY(1, 0, KEY_DELETE),          /* Delete    */
  55         KEY(2, 2, KEY_PLAY),            /* Play      */
  56         KEY(0, 1, KEY_PAGEUP),          /* Up        */
  57         KEY(3, 1, KEY_PAGEDOWN),        /* Down      */
  58         KEY(0, 2, KEY_EMAIL),           /* ReadEmail */
  59         KEY(1, 2, KEY_STOP),            /* Stop      */
  60
  61         /* Numeric keypad portion */
  62         KEY(7, 0, KEY_KP1),
  63         KEY(6, 0, KEY_KP2),
  64         KEY(5, 0, KEY_KP3),
  65         KEY(7, 1, KEY_KP4),
  66         KEY(6, 1, KEY_KP5),
  67         KEY(5, 1, KEY_KP6),
  68         KEY(7, 2, KEY_KP7),
  69         KEY(6, 2, KEY_KP8),
  70         KEY(5, 2, KEY_KP9),
  71         KEY(6, 3, KEY_KP0),
  72         KEY(7, 3, KEY_KPASTERISK),
  73         KEY(5, 3, KEY_KPDOT),           /* # key     */
  74         KEY(2, 7, KEY_NUMLOCK),         /* Mute      */
  75         KEY(1, 7, KEY_KPMINUS),         /* Recall    */
  76         KEY(1, 6, KEY_KPPLUS),          /* Redial    */
  77         KEY(6, 7, KEY_KPSLASH),         /* Handsfree */
  78         KEY(0, 6, KEY_ENTER),           /* Video     */
  79
  80         KEY(4, 7, KEY_CAMERA),          /* Photo     */
  81
  82         KEY(4, 0, KEY_F2),              /* Home      */
  83         KEY(4, 1, KEY_F3),              /* Office    */
  84         KEY(4, 2, KEY_F4),              /* Mobile    */
  85         KEY(7, 7, KEY_F5),              /* SMS       */
  86         KEY(5, 7, KEY_F6),              /* Email     */
  87
  88         /* QWERTY portion of keypad */
  89         KEY(4, 3, KEY_Q),
  90         KEY(3, 3, KEY_W),
  91         KEY(2, 3, KEY_E),
  92         KEY(1, 3, KEY_R),
  93         KEY(0, 3, KEY_T),
  94         KEY(7, 4, KEY_Y),
  95         KEY(6, 4, KEY_U),
  96         KEY(5, 4, KEY_I),
  97         KEY(4, 4, KEY_O),
  98         KEY(3, 4, KEY_P),
  99
 100         KEY(2, 4, KEY_A),
 101         KEY(1, 4, KEY_S),
 102         KEY(0, 4, KEY_D),
 103         KEY(7, 5, KEY_F),
 104         KEY(6, 5, KEY_G),
 105         KEY(5, 5, KEY_H),
 106         KEY(4, 5, KEY_J),
 107         KEY(3, 5, KEY_K),
 108         KEY(2, 5, KEY_L),
 109
 110         KEY(1, 5, KEY_Z),
 111         KEY(0, 5, KEY_X),
 112         KEY(7, 6, KEY_C),
 113         KEY(6, 6, KEY_V),
 114         KEY(5, 6, KEY_B),
 115         KEY(4, 6, KEY_N),
 116         KEY(3, 6, KEY_M),
 117         KEY(2, 6, KEY_SPACE),
 118
 119         KEY(0, 7, KEY_LEFTSHIFT),       /* Vol up    */
 120         KEY(3, 7, KEY_LEFTCTRL),        /* Vol down  */
 121
 122         0
 123 };
 124
 125 void ams_delta_latch1_write(u8 mask, u8 value)
 126 {
 127         ams_delta_latch1_reg &= ~mask;
 128         ams_delta_latch1_reg |= value;
 129         *(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
 130 }
 131
 132 void ams_delta_latch2_write(u16 mask, u16 value)
 133 {
 134         ams_delta_latch2_reg &= ~mask;
 135         ams_delta_latch2_reg |= value;
 136         *(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
 137 }
 138
 139 static void __init ams_delta_init_irq(void)
 140 {
 141         omap1_init_common_hw();
 142         omap_init_irq();
 143         omap_gpio_init();
 144 }
 145
 146 static struct map_desc ams_delta_io_desc[] __initdata = {
 147         /* AMS_DELTA_LATCH1 */
 148         {
 149                 .virtual        = AMS_DELTA_LATCH1_VIRT,
 150                 .pfn            = __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
 151                 .length         = 0x01000000,
 152                 .type           = MT_DEVICE
 153         },
 154         /* AMS_DELTA_LATCH2 */
 155         {
 156                 .virtual        = AMS_DELTA_LATCH2_VIRT,
 157                 .pfn            = __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
 158                 .length         = 0x01000000,
 159                 .type           = MT_DEVICE
 160         },
 161         /* AMS_DELTA_MODEM */
 162         {
 163                 .virtual        = AMS_DELTA_MODEM_VIRT,
 164                 .pfn            = __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
 165                 .length         = 0x01000000,
 166                 .type           = MT_DEVICE
 167         }
 168 };
 169
 170 static struct omap_lcd_config ams_delta_lcd_config __initdata = {
 171         .ctrl_name      = "internal",
 172 };
 173
 174 static struct omap_usb_config ams_delta_usb_config __initdata = {
 175         .register_host  = 1,
 176         .hmc_mode       = 16,
 177         .pins[0]        = 2,
 178 };
 179
 180 static struct omap_board_config_kernel ams_delta_config[] = {
 181         { OMAP_TAG_LCD,         &ams_delta_lcd_config },
 182 };
 183
 184 static struct resource ams_delta_kp_resources[] = {
 185         [0] = {
 186                 .start  = INT_KEYBOARD,
 187                 .end    = INT_KEYBOARD,
 188                 .flags  = IORESOURCE_IRQ,
 189         },
 190 };
 191
 192 static struct omap_kp_platform_data ams_delta_kp_data = {
 193         .rows           = 8,
 194         .cols           = 8,
 195         .keymap         = ams_delta_keymap,
 196         .keymapsize     = ARRAY_SIZE(ams_delta_keymap),
 197         .delay          = 9,
 198 };
 199
 200 static struct platform_device ams_delta_kp_device = {
 201         .name           = "omap-keypad",
 202         .id             = -1,
 203         .dev            = {
 204                 .platform_data = &ams_delta_kp_data,
 205         },
 206         .num_resources  = ARRAY_SIZE(ams_delta_kp_resources),
 207         .resource       = ams_delta_kp_resources,
 208 };
 209
 210 static struct platform_device ams_delta_lcd_device = {
 211         .name   = "lcd_ams_delta",
 212         .id     = -1,
 213 };
 214
 215 static struct platform_device ams_delta_led_device = {
 216         .name   = "ams-delta-led",
 217         .id     = -1
 218 };
 219
 220 static struct i2c_board_info ams_delta_camera_board_info[] = {
 221         {
 222                 I2C_BOARD_INFO("ov6650", 0x60),
 223         },
 224 };
 225
 226 #ifdef CONFIG_LEDS_TRIGGERS
 227 DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
 228
 229 static int ams_delta_camera_power(struct device *dev, int power)
 230 {
 231         /*
 232          * turn on camera LED
 233          */
 234         if (power)
 235                 led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
 236         else
 237                 led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
 238         return 0;
 239 }
 240 #else
 241 #define ams_delta_camera_power  NULL
 242 #endif
 243
 244 static struct soc_camera_link __initdata ams_delta_iclink = {
 245         .bus_id         = 0,    /* OMAP1 SoC camera bus */
 246         .i2c_adapter_id = 1,
 247         .board_info     = &ams_delta_camera_board_info[0],
 248         .module_name    = "ov6650",
 249         .power          = ams_delta_camera_power,
 250 };
 251
 252 static struct platform_device ams_delta_camera_device = {
 253         .name   = "soc-camera-pdrv",
 254         .id     = 0,
 255         .dev    = {
 256                 .platform_data = &ams_delta_iclink,
 257         },
 258 };
 259
 260 static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
 261         .camexclk_khz   = 12000,        /* default 12MHz clock, no extra DPLL */
 262         .lclk_khz_max   = 1334,         /* results in 5fps CIF, 10fps QCIF */
 263 };
 264
 265 static struct platform_device *ams_delta_devices[] __initdata = {
 266         &ams_delta_kp_device,
 267         &ams_delta_lcd_device,
 268         &ams_delta_led_device,
 269         &ams_delta_camera_device,
 270 };
 271
 272 static void __init ams_delta_init(void)
 273 {
 274         /* mux pins for uarts */
 275         omap_cfg_reg(UART1_TX);
 276         omap_cfg_reg(UART1_RTS);
 277
 278         /* parallel camera interface */
 279         omap_cfg_reg(H19_1610_CAM_EXCLK);
 280         omap_cfg_reg(J15_1610_CAM_LCLK);
 281         omap_cfg_reg(L18_1610_CAM_VS);
 282         omap_cfg_reg(L15_1610_CAM_HS);
 283         omap_cfg_reg(L19_1610_CAM_D0);
 284         omap_cfg_reg(K14_1610_CAM_D1);
 285         omap_cfg_reg(K15_1610_CAM_D2);
 286         omap_cfg_reg(K19_1610_CAM_D3);
 287         omap_cfg_reg(K18_1610_CAM_D4);
 288         omap_cfg_reg(J14_1610_CAM_D5);
 289         omap_cfg_reg(J19_1610_CAM_D6);
 290         omap_cfg_reg(J18_1610_CAM_D7);
 291
 292         iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
 293
 294         omap_board_config = ams_delta_config;
 295         omap_board_config_size = ARRAY_SIZE(ams_delta_config);
 296         omap_serial_init();
 297         omap_register_i2c_bus(1, 100, NULL, 0);
 298
 299         /* Clear latch2 (NAND, LCD, modem enable) */
 300         ams_delta_latch2_write(~0, 0);
 301
 302         omap1_usb_init(&ams_delta_usb_config);
 303         omap1_set_camera_info(&ams_delta_camera_platform_data);
 304 #ifdef CONFIG_LEDS_TRIGGERS
 305         led_trigger_register_simple("ams_delta_camera",
 306                         &ams_delta_camera_led_trigger);
 307 #endif
 308         platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
 309
 310 #ifdef CONFIG_AMS_DELTA_FIQ
 311         ams_delta_init_fiq();
 312 #endif
 313
 314         omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
 315 }
 316
 317 static struct plat_serial8250_port ams_delta_modem_ports[] = {
 318         {
 319                 .membase        = (void *) AMS_DELTA_MODEM_VIRT,
 320                 .mapbase        = AMS_DELTA_MODEM_PHYS,
 321                 .irq            = -EINVAL, /* changed later */
 322                 .flags          = UPF_BOOT_AUTOCONF,
 323                 .irqflags       = IRQF_TRIGGER_RISING,
 324                 .iotype         = UPIO_MEM,
 325                 .regshift       = 1,
 326                 .uartclk        = BASE_BAUD * 16,
 327         },
 328         { },
 329 };
 330
 331 static struct platform_device ams_delta_modem_device = {
 332         .name   = "serial8250",
 333         .id     = PLAT8250_DEV_PLATFORM1,
 334         .dev            = {
 335                 .platform_data = ams_delta_modem_ports,
 336         },
 337 };
 338
 339 static int __init ams_delta_modem_init(void)
 340 {
 341         int err;
 342
 343         omap_cfg_reg(M14_1510_GPIO2);
 344         ams_delta_modem_ports[0].irq =
 345                         gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 346
 347         err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
 348         if (err) {
 349                 pr_err("Couldn't request gpio pin for modem\n");
 350                 return err;
 351         }
 352         gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 353
 354         ams_delta_latch2_write(
 355                 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
 356                 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
 357
 358         return platform_device_register(&ams_delta_modem_device);
 359 }
 360 arch_initcall(ams_delta_modem_init);
 361
 362 static void __init ams_delta_map_io(void)
 363 {
 364         omap1_map_common_io();
 365 }
 366
 367 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
 368         /* Maintainer: Jonathan McDowell <noodles@earth.li> */
 369         .boot_params    = 0x10000100,
 370         .map_io         = ams_delta_map_io,
 371         .reserve        = omap_reserve,
 372         .init_irq       = ams_delta_init_irq,
 373         .init_machine   = ams_delta_init,
 374         .timer          = &omap_timer,
 375 MACHINE_END
 376
 377 EXPORT_SYMBOL(ams_delta_latch1_write);
 378 EXPORT_SYMBOL(ams_delta_latch2_write);