arch/arm/mach-omap1/board-sx1.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3 * linux/arch/arm/mach-omap1/board-sx1.c
   4 *
   5 * Modified from board-generic.c
   6 *
   7 * Support for the Siemens SX1 mobile phone.
   8 *
   9 * Original version : Vladimir Ananiev (Vovan888-at-gmail com)
  10 *
  11 * Maintainters : Vladimir Ananiev (aka Vovan888), Sergge
  12 *               oslik.ru
  13 */
  14 #include <linux/gpio.h>
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/input.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/notifier.h>
  20 #include <linux/mtd/mtd.h>
  21 #include <linux/mtd/partitions.h>
  22 #include <linux/mtd/physmap.h>
  23 #include <linux/types.h>
  24 #include <linux/i2c.h>
  25 #include <linux/errno.h>
  26 #include <linux/export.h>
  27 #include <linux/omapfb.h>
  28 #include <linux/platform_data/keypad-omap.h>
  29 #include <linux/omap-dma.h>
  30 #include "tc.h"
  31
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35
  36 #include "flash.h"
  37 #include "mux.h"
  38 #include "board-sx1.h"
  39 #include "hardware.h"
  40 #include "usb.h"
  41 #include "common.h"
  42
  43 /* Write to I2C device */
  44 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
  45 {
  46         struct i2c_adapter *adap;
  47         int err;
  48         struct i2c_msg msg[1];
  49         unsigned char data[2];
  50
  51         adap = i2c_get_adapter(0);
  52         if (!adap)
  53                 return -ENODEV;
  54         msg->addr = devaddr;    /* I2C address of chip */
  55         msg->flags = 0;
  56         msg->len = 2;
  57         msg->buf = data;
  58         data[0] = regoffset;    /* register num */
  59         data[1] = value;                /* register data */
  60         err = i2c_transfer(adap, msg, 1);
  61         i2c_put_adapter(adap);
  62         if (err >= 0)
  63                 return 0;
  64         return err;
  65 }
  66
  67 /* Read from I2C device */
  68 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
  69 {
  70         struct i2c_adapter *adap;
  71         int err;
  72         struct i2c_msg msg[1];
  73         unsigned char data[2];
  74
  75         adap = i2c_get_adapter(0);
  76         if (!adap)
  77                 return -ENODEV;
  78
  79         msg->addr = devaddr;    /* I2C address of chip */
  80         msg->flags = 0;
  81         msg->len = 1;
  82         msg->buf = data;
  83         data[0] = regoffset;    /* register num */
  84         err = i2c_transfer(adap, msg, 1);
  85
  86         msg->addr = devaddr;    /* I2C address */
  87         msg->flags = I2C_M_RD;
  88         msg->len = 1;
  89         msg->buf = data;
  90         err = i2c_transfer(adap, msg, 1);
  91         *value = data[0];
  92         i2c_put_adapter(adap);
  93
  94         if (err >= 0)
  95                 return 0;
  96         return err;
  97 }
  98 /* set keyboard backlight intensity */
  99 int sx1_setkeylight(u8 keylight)
 100 {
 101         if (keylight > SOFIA_MAX_LIGHT_VAL)
 102                 keylight = SOFIA_MAX_LIGHT_VAL;
 103         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 104 }
 105 /* get current keylight intensity */
 106 int sx1_getkeylight(u8 * keylight)
 107 {
 108         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 109 }
 110 /* set LCD backlight intensity */
 111 int sx1_setbacklight(u8 backlight)
 112 {
 113         if (backlight > SOFIA_MAX_LIGHT_VAL)
 114                 backlight = SOFIA_MAX_LIGHT_VAL;
 115         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 116                                   backlight);
 117 }
 118 /* get current LCD backlight intensity */
 119 int sx1_getbacklight (u8 * backlight)
 120 {
 121         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 122                                  backlight);
 123 }
 124 /* set LCD backlight power on/off */
 125 int sx1_setmmipower(u8 onoff)
 126 {
 127         int err;
 128         u8 dat = 0;
 129         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 130         if (err < 0)
 131                 return err;
 132         if (onoff)
 133                 dat |= SOFIA_MMILIGHT_POWER;
 134         else
 135                 dat &= ~SOFIA_MMILIGHT_POWER;
 136         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 137 }
 138
 139 /* set USB power on/off */
 140 int sx1_setusbpower(u8 onoff)
 141 {
 142         int err;
 143         u8 dat = 0;
 144         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 145         if (err < 0)
 146                 return err;
 147         if (onoff)
 148                 dat |= SOFIA_USB_POWER;
 149         else
 150                 dat &= ~SOFIA_USB_POWER;
 151         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 152 }
 153
 154 EXPORT_SYMBOL(sx1_setkeylight);
 155 EXPORT_SYMBOL(sx1_getkeylight);
 156 EXPORT_SYMBOL(sx1_setbacklight);
 157 EXPORT_SYMBOL(sx1_getbacklight);
 158 EXPORT_SYMBOL(sx1_setmmipower);
 159 EXPORT_SYMBOL(sx1_setusbpower);
 160
 161 /*----------- Keypad -------------------------*/
 162
 163 static const unsigned int sx1_keymap[] = {
 164         KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
 165         KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
 166         KEY(4, 1, GROUP_2 | 114), /* voice memo */
 167         KEY(4, 2, GROUP_3 | 114), /* voice memo */
 168         KEY(0, 0, GROUP_1 | KEY_F12),   /* red button Qt::Key_Hangup */
 169         KEY(3, 4, GROUP_1 | KEY_LEFT),
 170         KEY(3, 2, GROUP_1 | KEY_DOWN),
 171         KEY(3, 1, GROUP_1 | KEY_RIGHT),
 172         KEY(3, 0, GROUP_1 | KEY_UP),
 173         KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
 174         KEY(0, 5, GROUP_1 | KEY_1),
 175         KEY(0, 4, GROUP_1 | KEY_2),
 176         KEY(0, 3, GROUP_1 | KEY_3),
 177         KEY(4, 3, GROUP_1 | KEY_4),
 178         KEY(4, 4, GROUP_1 | KEY_5),
 179         KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
 180         KEY(1, 4, GROUP_1 | KEY_6),
 181         KEY(1, 5, GROUP_1 | KEY_7),
 182         KEY(1, 3, GROUP_1 | KEY_8),
 183         KEY(2, 3, GROUP_1 | KEY_9),
 184         KEY(2, 5, GROUP_1 | KEY_0),
 185         KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
 186         KEY(1, 0, GROUP_1 | KEY_F11),   /* green button Qt::Key_Call */
 187         KEY(2, 1, GROUP_1 | KEY_YEN),   /* left soft Qt::Key_Context1 */
 188         KEY(2, 2, GROUP_1 | KEY_F8),    /* right soft Qt::Key_Back */
 189         KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
 190         KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
 191         KEY(2, 0, GROUP_1 | KEY_F7),    /* menu Qt::Key_Menu */
 192 };
 193
 194 static struct resource sx1_kp_resources[] = {
 195         [0] = {
 196                 .start  = INT_KEYBOARD,
 197                 .end    = INT_KEYBOARD,
 198                 .flags  = IORESOURCE_IRQ,
 199         },
 200 };
 201
 202 static const struct matrix_keymap_data sx1_keymap_data = {
 203         .keymap         = sx1_keymap,
 204         .keymap_size    = ARRAY_SIZE(sx1_keymap),
 205 };
 206
 207 static struct omap_kp_platform_data sx1_kp_data = {
 208         .rows           = 6,
 209         .cols           = 6,
 210         .keymap_data    = &sx1_keymap_data,
 211         .delay  = 80,
 212 };
 213
 214 static struct platform_device sx1_kp_device = {
 215         .name           = "omap-keypad",
 216         .id             = -1,
 217         .dev            = {
 218                 .platform_data = &sx1_kp_data,
 219         },
 220         .num_resources  = ARRAY_SIZE(sx1_kp_resources),
 221         .resource       = sx1_kp_resources,
 222 };
 223
 224 /*----------- MTD -------------------------*/
 225
 226 static struct mtd_partition sx1_partitions[] = {
 227         /* bootloader (U-Boot, etc) in first sector */
 228         {
 229                 .name           = "bootloader",
 230                 .offset         = 0x01800000,
 231                 .size           = SZ_128K,
 232                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
 233         },
 234         /* bootloader params in the next sector */
 235         {
 236                 .name           = "params",
 237                 .offset         = MTDPART_OFS_APPEND,
 238                 .size           = SZ_128K,
 239                 .mask_flags     = 0,
 240         },
 241         /* kernel */
 242         {
 243                 .name           = "kernel",
 244                 .offset         = MTDPART_OFS_APPEND,
 245                 .size           = SZ_2M - 2 * SZ_128K,
 246                 .mask_flags     = 0
 247         },
 248         /* file system */
 249         {
 250                 .name           = "filesystem",
 251                 .offset         = MTDPART_OFS_APPEND,
 252                 .size           = MTDPART_SIZ_FULL,
 253                 .mask_flags     = 0
 254         }
 255 };
 256
 257 static struct physmap_flash_data sx1_flash_data = {
 258         .width          = 2,
 259         .set_vpp        = omap1_set_vpp,
 260         .parts          = sx1_partitions,
 261         .nr_parts       = ARRAY_SIZE(sx1_partitions),
 262 };
 263
 264 /* MTD Intel 4000 flash - new flashes */
 265 static struct resource sx1_new_flash_resource = {
 266         .start          = OMAP_CS0_PHYS,
 267         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 268         .flags          = IORESOURCE_MEM,
 269 };
 270
 271 static struct platform_device sx1_flash_device = {
 272         .name           = "physmap-flash",
 273         .id             = 0,
 274         .dev            = {
 275                 .platform_data  = &sx1_flash_data,
 276         },
 277         .num_resources  = 1,
 278         .resource       = &sx1_new_flash_resource,
 279 };
 280
 281 /*----------- USB -------------------------*/
 282
 283 static struct omap_usb_config sx1_usb_config __initdata = {
 284         .otg            = 0,
 285         .register_dev   = 1,
 286         .register_host  = 0,
 287         .hmc_mode       = 0,
 288         .pins[0]        = 2,
 289         .pins[1]        = 0,
 290         .pins[2]        = 0,
 291 };
 292
 293 /*----------- LCD -------------------------*/
 294
 295 static const struct omap_lcd_config sx1_lcd_config __initconst = {
 296         .ctrl_name      = "internal",
 297 };
 298
 299 /*-----------------------------------------*/
 300 static struct platform_device *sx1_devices[] __initdata = {
 301         &sx1_flash_device,
 302         &sx1_kp_device,
 303 };
 304
 305 /*-----------------------------------------*/
 306
 307 static void __init omap_sx1_init(void)
 308 {
 309         /* mux pins for uarts */
 310         omap_cfg_reg(UART1_TX);
 311         omap_cfg_reg(UART1_RTS);
 312         omap_cfg_reg(UART2_TX);
 313         omap_cfg_reg(UART2_RTS);
 314         omap_cfg_reg(UART3_TX);
 315         omap_cfg_reg(UART3_RX);
 316
 317         platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
 318
 319         omap_serial_init();
 320         omap_register_i2c_bus(1, 100, NULL, 0);
 321         omap1_usb_init(&sx1_usb_config);
 322         sx1_mmc_init();
 323
 324         /* turn on USB power */
 325         /* sx1_setusbpower(1); can't do it here because i2c is not ready */
 326         gpio_request(1, "A_IRDA_OFF");
 327         gpio_request(11, "A_SWITCH");
 328         gpio_request(15, "A_USB_ON");
 329         gpio_direction_output(1, 1);    /*A_IRDA_OFF = 1 */
 330         gpio_direction_output(11, 0);   /*A_SWITCH = 0 */
 331         gpio_direction_output(15, 0);   /*A_USB_ON = 0 */
 332
 333         omapfb_set_lcd_config(&sx1_lcd_config);
 334 }
 335
 336 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
 337         .atag_offset    = 0x100,
 338         .map_io         = omap15xx_map_io,
 339         .init_early     = omap1_init_early,
 340         .init_irq       = omap1_init_irq,
 341         .handle_irq     = omap1_handle_irq,
 342         .init_machine   = omap_sx1_init,
 343         .init_late      = omap1_init_late,
 344         .init_time      = omap1_timer_init,
 345         .restart        = omap1_restart,
 346 MACHINE_END