From 50ce8664e2a57e5ea6b4237ce750b29163d0cb14 Mon Sep 17 00:00:00 2001
From: Richard Purdie <rpurdie@rpsys.net>
Date: Tue, 13 Sep 2005 01:25:32 -0700
Subject: [PATCH] --- yaml --- r: 8775 b: refs/heads/master c:
 9fc7896b62b48714fafecf9266d9dc14c1cd6e33 h: refs/heads/master i:   8773:
 125eec43e6ca584362655ff6baa2d13ef9d2cdbe   8771:
 41ffe6476141a7fb24234b6fcafe7304b6be2d98   8767:
 67dce808ad1908c86feed7eafa72d95a4d2dcafb v: v3

---
 [refs]                                   |   2 +-
 trunk/arch/arm/mach-pxa/corgi_lcd.c      | 132 ++++++++++++++++++++---
 trunk/arch/arm/mach-pxa/sharpsl.h        |  11 ++
 trunk/include/asm-arm/arch-pxa/sharpsl.h |  10 ++
 4 files changed, 140 insertions(+), 15 deletions(-)

diff --git a/[refs] b/[refs]
index db6616880016..498fc47bff34 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 50a5de44821352354a3ee804e2c7cbfee5a81c06
+refs/heads/master: 9fc7896b62b48714fafecf9266d9dc14c1cd6e33
diff --git a/trunk/arch/arm/mach-pxa/corgi_lcd.c b/trunk/arch/arm/mach-pxa/corgi_lcd.c
index deac29c00290..bfe5efc11b8a 100644
--- a/trunk/arch/arm/mach-pxa/corgi_lcd.c
+++ b/trunk/arch/arm/mach-pxa/corgi_lcd.c
@@ -1,10 +1,14 @@
 /*
  * linux/drivers/video/w100fb.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.
@@ -14,9 +18,17 @@
 #include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/device.h>
+#include <linux/module.h>
+#include <asm/mach-types.h>
+#include <asm/arch/akita.h>
 #include <asm/arch/corgi.h>
+#include <asm/arch/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
@@ -134,10 +146,10 @@ static void lcdtg_set_common_voltage(u8 base_data, u8 data)
 }
 
 /* Set Phase Adjuct */
-static void lcdtg_set_phadadj(struct w100fb_par *par)
+static void lcdtg_set_phadadj(int mode)
 {
 	int adj;
-	switch(par->xres) {
+	switch(mode) {
 		case 480:
 		case 640:
 			/* Setting for VGA */
@@ -161,7 +173,7 @@ static void lcdtg_set_phadadj(struct w100fb_par *par)
 
 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;
@@ -215,7 +227,7 @@ static void lcdtg_hw_init(struct w100fb_par *par)
 		corgi_ssp_lcdtg_send(PICTRL_ADRS, 0);
 
 		/* Set Phase Adjuct */
-		lcdtg_set_phadadj(par);
+		lcdtg_set_phadadj(mode);
 
 		/* Initialize for Input Signals from ATI */
 		corgi_ssp_lcdtg_send(POLCTRL_ADRS, POLCTRL_SYNC_POL_RISE | POLCTRL_EN_POL_RISE
@@ -224,10 +236,10 @@ static void lcdtg_hw_init(struct w100fb_par *par)
 
 		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) */
@@ -242,7 +254,7 @@ static void lcdtg_hw_init(struct w100fb_par *par)
 	}
 }
 
-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);
@@ -276,15 +288,30 @@ static void lcdtg_suspend(struct w100fb_par *par)
 	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,
@@ -394,3 +421,80 @@ struct platform_device corgifb_device = {
 	},
 
 };
+#endif
+
+
+/*
+ * Spitz PXA Frame Buffer Device
+ */
+#ifdef CONFIG_PXA_SHARP_Cxx00
+
+#include <asm/arch/pxafb.h>
+
+void spitz_lcd_power(int on)
+{
+	if (on)
+		lcdtg_hw_init(480);
+	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);
+}
+
+void corgi_wait_hsync(void)
+{
+	sharpsl_wait_sync(CORGI_GPIO_HSYNC);
+}
+#endif
+
+#ifdef CONFIG_PXA_SHARP_Cxx00
+unsigned long spitz_get_hsync_len(void)
+{
+	if (!get_hsync_time)
+		get_hsync_time = symbol_get(pxafb_get_hsync_time);
+	if (!get_hsync_time)
+		return 0;
+
+	return pxafb_get_hsync_time(&pxafb_device.dev);
+}
+
+void spitz_put_hsync(void)
+{
+	if (get_hsync_time)
+		symbol_put(pxafb_get_hsync_time);
+}
+
+void spitz_wait_hsync(void)
+{
+	sharpsl_wait_sync(SPITZ_GPIO_HSYNC);
+}
+#endif
diff --git a/trunk/arch/arm/mach-pxa/sharpsl.h b/trunk/arch/arm/mach-pxa/sharpsl.h
index 672262ee9d2b..7007d8a1c5c5 100644
--- a/trunk/arch/arm/mach-pxa/sharpsl.h
+++ b/trunk/arch/arm/mach-pxa/sharpsl.h
@@ -13,3 +13,14 @@ struct corgissp_machinfo {
 };
 
 void corgi_ssp_set_machinfo(struct corgissp_machinfo *machinfo);
+
+/*
+ * SharpSL Touchscreen Driver
+ */
+
+unsigned long corgi_get_hsync_len(void);
+unsigned long spitz_get_hsync_len(void);
+void corgi_put_hsync(void);
+void spitz_put_hsync(void);
+void corgi_wait_hsync(void);
+void spitz_wait_hsync(void);
diff --git a/trunk/include/asm-arm/arch-pxa/sharpsl.h b/trunk/include/asm-arm/arch-pxa/sharpsl.h
index 5ce6d05631e8..1e1d11033940 100644
--- a/trunk/include/asm-arm/arch-pxa/sharpsl.h
+++ b/trunk/include/asm-arm/arch-pxa/sharpsl.h
@@ -10,3 +10,13 @@ void corgi_ssp_ads7846_unlock(void);
 void corgi_ssp_lcdtg_send (unsigned char adrs, unsigned char data);
 void corgi_ssp_blduty_set(int duty);
 int corgi_ssp_max1111_get(unsigned long data);
+
+/*
+ * SharpSL Touchscreen Driver
+ */
+
+struct corgits_machinfo {
+	unsigned long (*get_hsync_len)(void);
+	void (*put_hsync)(void);
+	void (*wait_hsync)(void);
+};