ARM: S3C24XX: touchscreen device definition
[safe/jmp/linux-2.6] / arch / arm / mach-s3c2410 / mach-h1940.c
index fb3cb01..1e34abe 100644 (file)
@@ -9,22 +9,6 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  *
- * Modifications:
- *     16-May-2003 BJD  Created initial version
- *     16-Aug-2003 BJD  Fixed header files and copyright, added URL
- *     05-Sep-2003 BJD  Moved to v2.6 kernel
- *     06-Jan-2003 BJD  Updates for <arch/map.h>
- *     18-Jan-2003 BJD  Added serial port configuration
- *     17-Feb-2003 BJD  Copied to mach-ipaq.c
- *     21-Aug-2004 BJD  Added struct s3c2410_board
- *     04-Sep-2004 BJD  Changed uart init, renamed ipaq_ -> h1940_
- *     18-Oct-2004 BJD  Updated new board structure name
- *     04-Nov-2004 BJD  Change for new serial clock
- *     04-Jan-2005 BJD  Updated uart init call
- *     10-Jan-2005 BJD  Removed include of s3c2410.h
- *     14-Jan-2005 BJD  Added clock init
- *     10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
- *     20-Sep-2005 BJD  Added static to non-exported items
 */
 
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/sysdev.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/pwm_backlight.h>
+#include <video/platform_lcd.h>
+
+#include <linux/mmc/host.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/irq.h>
 
-#include <asm/hardware.h>
-#include <asm/hardware/iomd.h>
-#include <asm/io.h>
+#include <mach/hardware.h>
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-//#include <asm/debug-ll.h>
-#include <asm/arch/regs-serial.h>
-#include <asm/arch/regs-lcd.h>
+#include <plat/regs-serial.h>
+#include <mach/regs-lcd.h>
+#include <mach/regs-clock.h>
 
-#include <asm/arch/fb.h>
+#include <mach/regs-gpio.h>
+#include <mach/gpio-fns.h>
+#include <mach/gpio-nrs.h>
 
-#include <linux/serial_core.h>
+#include <mach/h1940.h>
+#include <mach/h1940-latch.h>
+#include <mach/fb.h>
+#include <mach/ts.h>
+#include <plat/udc.h>
+#include <plat/iic.h>
 
-#include "clock.h"
-#include "devs.h"
-#include "cpu.h"
+#include <plat/clock.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+#include <plat/pll.h>
+#include <plat/pm.h>
+#include <plat/mci.h>
 
 static struct map_desc h1940_iodesc[] __initdata = {
-       /* nothing here yet */
+       [0] = {
+               .virtual        = (unsigned long)H1940_LATCH,
+               .pfn            = __phys_to_pfn(H1940_PA_LATCH),
+               .length         = SZ_16K,
+               .type           = MT_DEVICE
+       },
 };
 
 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
 
-static struct s3c2410_uartcfg h1940_uartcfgs[] = {
+static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
        [0] = {
                .hwport      = 0,
                .flags       = 0,
@@ -90,34 +96,85 @@ static struct s3c2410_uartcfg h1940_uartcfgs[] = {
        }
 };
 
+/* Board control latch control */
+
+static unsigned int latch_state = H1940_LATCH_DEFAULT;
+
+void h1940_latch_control(unsigned int clear, unsigned int set)
+{
+       unsigned long flags;
+
+       local_irq_save(flags);
+
+       latch_state &= ~clear;
+       latch_state |= set;
+
+       __raw_writel(latch_state, H1940_LATCH);
+
+       local_irq_restore(flags);
+}
+
+EXPORT_SYMBOL_GPL(h1940_latch_control);
+
+static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
+{
+       printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
+
+       switch (cmd)
+       {
+               case S3C2410_UDC_P_ENABLE :
+                       h1940_latch_control(0, H1940_LATCH_USB_DP);
+                       break;
+               case S3C2410_UDC_P_DISABLE :
+                       h1940_latch_control(H1940_LATCH_USB_DP, 0);
+                       break;
+               case S3C2410_UDC_P_RESET :
+                       break;
+               default:
+                       break;
+       }
+}
 
+static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
+       .udc_command            = h1940_udc_pullup,
+       .vbus_pin               = S3C2410_GPG(5),
+       .vbus_pin_inverted      = 1,
+};
+
+static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
+               .delay = 10000,
+               .presc = 49,
+               .oversampling_shift = 2,
+};
 
 /**
  * Set lcd on or off
  **/
-static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
-       .fixed_syncs=           1,
-       .regs={
-               .lcdcon1=       S3C2410_LCDCON1_TFT16BPP | \
-                               S3C2410_LCDCON1_TFT | \
-                               S3C2410_LCDCON1_CLKVAL(0x0C),
-
-               .lcdcon2=       S3C2410_LCDCON2_VBPD(7) | \
-                               S3C2410_LCDCON2_LINEVAL(319) | \
-                               S3C2410_LCDCON2_VFPD(6) | \
-                               S3C2410_LCDCON2_VSPW(0),
-
-               .lcdcon3=       S3C2410_LCDCON3_HBPD(19) | \
-                               S3C2410_LCDCON3_HOZVAL(239) | \
-                               S3C2410_LCDCON3_HFPD(7),
-
-               .lcdcon4=       S3C2410_LCDCON4_MVAL(0) | \
-                               S3C2410_LCDCON4_HSPW(3),
-
-               .lcdcon5=       S3C2410_LCDCON5_FRM565 | \
-                               S3C2410_LCDCON5_INVVLINE | \
-                               S3C2410_LCDCON5_HWSWP,
-       },
+static struct s3c2410fb_display h1940_lcd __initdata = {
+       .lcdcon5=       S3C2410_LCDCON5_FRM565 | \
+                       S3C2410_LCDCON5_INVVLINE | \
+                       S3C2410_LCDCON5_HWSWP,
+
+       .type =         S3C2410_LCDCON1_TFT,
+       .width =        240,
+       .height =       320,
+       .pixclock =     260000,
+       .xres =         240,
+       .yres =         320,
+       .bpp =          16,
+       .left_margin =  20,
+       .right_margin = 8,
+       .hsync_len =    4,
+       .upper_margin = 8,
+       .lower_margin = 7,
+       .vsync_len =    1,
+};
+
+static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
+       .displays = &h1940_lcd,
+       .num_displays = 1,
+       .default_display = 0,
+
        .lpcsel=        0x02,
        .gpccon=        0xaa940659,
        .gpccon_mask=   0xffffffff,
@@ -127,25 +184,107 @@ static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
        .gpdcon_mask=   0xffffffff,
        .gpdup=         0x0000faff,
        .gpdup_mask=    0xffffffff,
+};
+
+static struct platform_device h1940_device_leds = {
+       .name             = "h1940-leds",
+       .id               = -1,
+};
 
-       .width=         240,
-       .height=        320,
-       .xres=          {240,240,240},
-       .yres=          {320,320,320},
-       .bpp=           {16,16,16},
+static struct platform_device h1940_device_bluetooth = {
+       .name             = "h1940-bt",
+       .id               = -1,
+};
+
+static struct s3c24xx_mci_pdata h1940_mmc_cfg = {
+       .gpio_detect   = S3C2410_GPF(5),
+       .gpio_wprotect = S3C2410_GPH(8),
+       .set_power     = NULL,
+       .ocr_avail     = MMC_VDD_32_33,
+};
+
+static int h1940_backlight_init(struct device *dev)
+{
+       gpio_request(S3C2410_GPB(0), "Backlight");
+
+       s3c2410_gpio_setpin(S3C2410_GPB(0), 0);
+       s3c2410_gpio_pullup(S3C2410_GPB(0), 0);
+       s3c2410_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
+
+       return 0;
+}
+
+static void h1940_backlight_exit(struct device *dev)
+{
+       s3c2410_gpio_cfgpin(S3C2410_GPB(0), 1/*S3C2410_GPB0_OUTP*/);
+}
+
+static struct platform_pwm_backlight_data backlight_data = {
+       .pwm_id         = 0,
+       .max_brightness = 100,
+       .dft_brightness = 50,
+       /* tcnt = 0x31 */
+       .pwm_period_ns  = 36296,
+       .init           = h1940_backlight_init,
+       .exit           = h1940_backlight_exit,
+};
+
+static struct platform_device h1940_backlight = {
+       .name = "pwm-backlight",
+       .dev  = {
+               .parent = &s3c_device_timer[0].dev,
+               .platform_data = &backlight_data,
+       },
+       .id   = -1,
+};
+
+static void h1940_lcd_power_set(struct plat_lcd_data *pd,
+                                       unsigned int power)
+{
+       int value;
+
+       if (!power) {
+               /* set to 3ec */
+               s3c2410_gpio_setpin(S3C2410_GPC(0), 0);
+               /* wait for 3ac */
+               do {
+                       value = s3c2410_gpio_getpin(S3C2410_GPC(6));
+               } while (value);
+               /* set to 38c */
+               s3c2410_gpio_setpin(S3C2410_GPC(5), 0);
+       } else {
+               /* Set to 3ac */
+               s3c2410_gpio_setpin(S3C2410_GPC(5), 1);
+               /* Set to 3ad */
+               s3c2410_gpio_setpin(S3C2410_GPC(0), 1);
+       }
+}
+
+static struct plat_lcd_data h1940_lcd_power_data = {
+       .set_power      = h1940_lcd_power_set,
+};
+
+static struct platform_device h1940_lcd_powerdev = {
+       .name                   = "platform-lcd",
+       .dev.parent             = &s3c_device_lcd.dev,
+       .dev.platform_data      = &h1940_lcd_power_data,
 };
 
 static struct platform_device *h1940_devices[] __initdata = {
+       &s3c_device_ts,
        &s3c_device_usb,
        &s3c_device_lcd,
        &s3c_device_wdt,
-       &s3c_device_i2c,
+       &s3c_device_i2c0,
        &s3c_device_iis,
-};
-
-static struct s3c24xx_board h1940_board __initdata = {
-       .devices       = h1940_devices,
-       .devices_count = ARRAY_SIZE(h1940_devices)
+       &s3c_device_usbgadget,
+       &h1940_device_leds,
+       &h1940_device_bluetooth,
+       &s3c_device_sdi,
+       &s3c_device_rtc,
+       &s3c_device_timer[0],
+       &h1940_backlight,
+       &h1940_lcd_powerdev,
 };
 
 static void __init h1940_map_io(void)
@@ -153,28 +292,58 @@ static void __init h1940_map_io(void)
        s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
        s3c24xx_init_clocks(0);
        s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
-       s3c24xx_set_board(&h1940_board);
+
+       /* setup PM */
+
+#ifdef CONFIG_PM_H1940
+       memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
+#endif
+       s3c_pm_init();
 }
 
 static void __init h1940_init_irq(void)
 {
        s3c24xx_init_irq();
-
 }
 
 static void __init h1940_init(void)
 {
-       set_s3c2410fb_info(&h1940_lcdcfg);
+       u32 tmp;
+
+       s3c24xx_fb_set_platdata(&h1940_fb_info);
+       s3c24xx_udc_set_platdata(&h1940_udc_cfg);
+       s3c24xx_ts_set_platdata(&h1940_ts_cfg);
+       s3c_i2c0_set_platdata(NULL);
+
+       s3c_device_sdi.dev.platform_data = &h1940_mmc_cfg;
+
+       /* Turn off suspend on both USB ports, and switch the
+        * selectable USB port to USB device mode. */
+
+       s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
+                             S3C2410_MISCCR_USBSUSPND0 |
+                             S3C2410_MISCCR_USBSUSPND1, 0x0);
+
+       tmp =   (0x78 << S3C24XX_PLLCON_MDIVSHIFT)
+             | (0x02 << S3C24XX_PLLCON_PDIVSHIFT)
+             | (0x03 << S3C24XX_PLLCON_SDIVSHIFT);
+       writel(tmp, S3C2410_UPLLCON);
+
+       gpio_request(S3C2410_GPC(0), "LCD power");
+       gpio_request(S3C2410_GPC(5), "LCD power");
+       gpio_request(S3C2410_GPC(6), "LCD power");
+
+
+       platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
 }
 
 MACHINE_START(H1940, "IPAQ-H1940")
        /* Maintainer: Ben Dooks <ben@fluff.org> */
-       .phys_ram       = S3C2410_SDRAM_PA,
        .phys_io        = S3C2410_PA_UART,
        .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
        .boot_params    = S3C2410_SDRAM_PA + 0x100,
        .map_io         = h1940_map_io,
        .init_irq       = h1940_init_irq,
-       .init_machine   = h1940_init,
+       .init_machine   = h1940_init,
        .timer          = &s3c24xx_timer,
 MACHINE_END