/*
- * linux/drivers/video/w100fb.c
+ * linux/arch/arm/mach-pxa/corgi_lcd.c
*
- * Corgi LCD Specific Code for ATI Imageon w100 (Wallaby)
+ * Corgi/Spitz LCD Specific Code
*
* Copyright (C) 2005 Richard Purdie
*
+ * Connectivity:
+ * Corgi - LCD to ATI Imageon w100 (Wallaby)
+ * Spitz - LCD to PXA Framebuffer
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
#include <linux/delay.h>
#include <linux/kernel.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <asm/arch/akita.h>
#include <asm/arch/corgi.h>
+#include <asm/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/sharpsl.h>
+#include <asm/arch/spitz.h>
+#include <asm/hardware/scoop.h>
#include <asm/mach/sharpsl_param.h>
-#include <video/w100fb.h>
+#include "generic.h"
/* Register Addresses */
#define RESCTL_ADRS 0x00
#define PICTRL_ADRS 0x06
#define POLCTRL_ADRS 0x07
-/* Resgister Bit Definitions */
+/* Register Bit Definitions */
#define RESCTL_QVGA 0x01
#define RESCTL_VGA 0x00
#define POWER0_COM_DCLK 0x01 /* COM Voltage DC Bias DAC Serial Data Clock */
#define POWER0_COM_DOUT 0x02 /* COM Voltage DC Bias DAC Serial Data Out */
#define POWER0_DAC_ON 0x04 /* DAC Power Supply ON */
-#define POWER0_COM_ON 0x08 /* COM Powewr Supply ON */
+#define POWER0_COM_ON 0x08 /* COM Power Supply ON */
#define POWER0_VCC5_ON 0x10 /* VCC5 Power Supply ON */
#define POWER0_DAC_OFF 0x00 /* DAC Power Supply OFF */
-#define POWER0_COM_OFF 0x00 /* COM Powewr Supply OFF */
+#define POWER0_COM_OFF 0x00 /* COM Power Supply OFF */
#define POWER0_VCC5_OFF 0x00 /* VCC5 Power Supply OFF */
#define PICTRL_INIT_STATE 0x01
lcdtg_i2c_send_stop(base_data);
}
-/* Set Phase Adjuct */
-static void lcdtg_set_phadadj(struct w100fb_par *par)
+/* Set Phase Adjust */
+static void lcdtg_set_phadadj(int mode)
{
int adj;
- switch(par->xres) {
+ switch(mode) {
case 480:
case 640:
/* Setting for VGA */
static int lcd_inited;
-static void lcdtg_hw_init(struct w100fb_par *par)
+static void lcdtg_hw_init(int mode)
{
if (!lcd_inited) {
int comadj;
/* Signals output enable */
corgi_ssp_lcdtg_send(PICTRL_ADRS, 0);
- /* Set Phase Adjuct */
- lcdtg_set_phadadj(par);
+ /* Set Phase Adjust */
+ lcdtg_set_phadadj(mode);
/* Initialize for Input Signals from ATI */
corgi_ssp_lcdtg_send(POLCTRL_ADRS, POLCTRL_SYNC_POL_RISE | POLCTRL_EN_POL_RISE
lcd_inited=1;
} else {
- lcdtg_set_phadadj(par);
+ lcdtg_set_phadadj(mode);
}
- switch(par->xres) {
+ switch(mode) {
case 480:
case 640:
/* Set Lcd Resolution (VGA) */
}
}
-static void lcdtg_suspend(struct w100fb_par *par)
+static void lcdtg_suspend(void)
{
/* 60Hz x 2 frame = 16.7msec x 2 = 33.4 msec */
mdelay(34);
lcd_inited = 0;
}
-static struct w100_tg_info corgi_lcdtg_info = {
- .change=lcdtg_hw_init,
- .suspend=lcdtg_suspend,
- .resume=lcdtg_hw_init,
-};
/*
* Corgi w100 Frame Buffer Device
*/
+#ifdef CONFIG_PXA_SHARP_C7xx
+
+#include <video/w100fb.h>
+
+static void w100_lcdtg_suspend(struct w100fb_par *par)
+{
+ lcdtg_suspend();
+}
+
+static void w100_lcdtg_init(struct w100fb_par *par)
+{
+ lcdtg_hw_init(par->xres);
+}
+
+
+static struct w100_tg_info corgi_lcdtg_info = {
+ .change = w100_lcdtg_init,
+ .suspend = w100_lcdtg_suspend,
+ .resume = w100_lcdtg_init,
+};
static struct w100_mem_info corgi_fb_mem = {
.ext_cntl = 0x00040003,
},
};
+#endif
+
+
+/*
+ * Spitz PXA Frame Buffer Device
+ */
+#ifdef CONFIG_PXA_SHARP_Cxx00
+
+#include <asm/arch/pxafb.h>
+
+void spitz_lcd_power(int on, struct fb_var_screeninfo *var)
+{
+ if (on)
+ lcdtg_hw_init(var->xres);
+ else
+ lcdtg_suspend();
+}
+
+#endif
+
+
+/*
+ * Corgi/Spitz Touchscreen to LCD interface
+ */
+static unsigned long (*get_hsync_time)(struct device *dev);
+
+static void inline sharpsl_wait_sync(int gpio)
+{
+ while((GPLR(gpio) & GPIO_bit(gpio)) == 0);
+ while((GPLR(gpio) & GPIO_bit(gpio)) != 0);
+}
+
+#ifdef CONFIG_PXA_SHARP_C7xx
+unsigned long corgi_get_hsync_len(void)
+{
+ if (!get_hsync_time)
+ get_hsync_time = symbol_get(w100fb_get_hsynclen);
+ if (!get_hsync_time)
+ return 0;
+
+ return get_hsync_time(&corgifb_device.dev);
+}
+
+void corgi_put_hsync(void)
+{
+ if (get_hsync_time)
+ symbol_put(w100fb_get_hsynclen);
+ get_hsync_time = NULL;
+}
+
+void corgi_wait_hsync(void)
+{
+ sharpsl_wait_sync(CORGI_GPIO_HSYNC);
+}
+#endif
+
+#ifdef CONFIG_PXA_SHARP_Cxx00
+static struct device *spitz_pxafb_dev;
+
+static int is_pxafb_device(struct device * dev, void * data)
+{
+ struct platform_device *pdev = container_of(dev, struct platform_device, dev);
+
+ return (strncmp(pdev->name, "pxa2xx-fb", 9) == 0);
+}
+
+unsigned long spitz_get_hsync_len(void)
+{
+#ifdef CONFIG_FB_PXA
+ if (!spitz_pxafb_dev) {
+ spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device);
+ if (!spitz_pxafb_dev)
+ return 0;
+ }
+ if (!get_hsync_time)
+ get_hsync_time = symbol_get(pxafb_get_hsync_time);
+ if (!get_hsync_time)
+#endif
+ return 0;
+
+ return pxafb_get_hsync_time(spitz_pxafb_dev);
+}
+
+void spitz_put_hsync(void)
+{
+ put_device(spitz_pxafb_dev);
+ if (get_hsync_time)
+ symbol_put(pxafb_get_hsync_time);
+ spitz_pxafb_dev = NULL;
+ get_hsync_time = NULL;
+}
+
+void spitz_wait_hsync(void)
+{
+ sharpsl_wait_sync(SPITZ_GPIO_HSYNC);
+}
+#endif
+
+/*
+ * Corgi/Spitz Backlight Power
+ */
+#ifdef CONFIG_PXA_SHARP_C7xx
+void corgi_bl_set_intensity(int intensity)
+{
+ if (intensity > 0x10)
+ intensity += 0x10;
+
+ /* Bits 0-4 are accessed via the SSP interface */
+ corgi_ssp_blduty_set(intensity & 0x1f);
+
+ /* Bit 5 is via SCOOP */
+ if (intensity & 0x0020)
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
+ else
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
+}
+#endif
+
+
+#if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
+void spitz_bl_set_intensity(int intensity)
+{
+ if (intensity > 0x10)
+ intensity += 0x10;
+
+ /* Bits 0-4 are accessed via the SSP interface */
+ corgi_ssp_blduty_set(intensity & 0x1f);
+
+ /* Bit 5 is via SCOOP */
+ if (intensity & 0x0020)
+ reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
+ else
+ set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
+
+ if (intensity)
+ set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
+ else
+ reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
+}
+#endif
+
+#ifdef CONFIG_MACH_AKITA
+void akita_bl_set_intensity(int intensity)
+{
+ if (intensity > 0x10)
+ intensity += 0x10;
+
+ /* Bits 0-4 are accessed via the SSP interface */
+ corgi_ssp_blduty_set(intensity & 0x1f);
+
+ /* Bit 5 is via IO-Expander */
+ if (intensity & 0x0020)
+ akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
+ else
+ akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
+
+ if (intensity)
+ akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
+ else
+ akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
+}
+#endif
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff