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authorMarcin Juszkiewicz <hrw@openembedded.org>2007-10-30 15:21:19 +0000
committerMarcin Juszkiewicz <hrw@openembedded.org>2007-10-30 15:21:19 +0000
commita43e2b53a23bbd6955209a01a8388508f9205857 (patch)
treed9c5818b83a56f33baf0cb5d5a3bb34c49365845 /packages/linux/linux-rp-2.6.23/tosa-lcdnoise-r1.patch
parent18f5c86801714259eaaa1e1a81565984f58ecd14 (diff)
linux-rp: update Tosa patchset in 2.6.22 and 2.6.23 - close #3233
USB Host patches are not updated
Diffstat (limited to 'packages/linux/linux-rp-2.6.23/tosa-lcdnoise-r1.patch')
-rw-r--r--packages/linux/linux-rp-2.6.23/tosa-lcdnoise-r1.patch316
1 files changed, 316 insertions, 0 deletions
diff --git a/packages/linux/linux-rp-2.6.23/tosa-lcdnoise-r1.patch b/packages/linux/linux-rp-2.6.23/tosa-lcdnoise-r1.patch
new file mode 100644
index 0000000000..910b727b82
--- /dev/null
+++ b/packages/linux/linux-rp-2.6.23/tosa-lcdnoise-r1.patch
@@ -0,0 +1,316 @@
+From 564b757ba44b517ac6d693b94a177708bb5d3887 Mon Sep 17 00:00:00 2001
+From: Dmitry Baryshkov <dbaryshkov@gmail.com>
+Date: Fri, 19 Oct 2007 17:30:30 +0400
+Subject: [PATCH] tosa-lcdnoise-r1.patch
+
+---
+ drivers/input/touchscreen/Kconfig | 13 +++++
+ drivers/input/touchscreen/Makefile | 1 +
+ drivers/input/touchscreen/tosa_ts.c | 102 +++++++++++++++++++++++++++++++++++
+ 3 files changed, 116 insertions(+), 0 deletions(-)
+
+diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
+index 3ac01b4..6862e8f 100644
+--- a/drivers/input/touchscreen/Kconfig
++++ b/drivers/input/touchscreen/Kconfig
+@@ -219,6 +219,19 @@ config TOUCHSCREEN_USB_DMC_TSC10
+ bool "DMC TSC-10/25 device support" if EMBEDDED
+ depends on TOUCHSCREEN_USB_COMPOSITE
+
++config TOUCHSCREEN_TOSA
++ tristate "Sharp Tosa touchscreen driver"
++ depends on TOUCHSCREEN_WM97XX && MACH_TOSA
++ default n
++ help
++ Say Y here to enable the driver for the touchscreen on the
++ Sharp Tosa PDA.
++ depends on TOUCHSCREEN_WM97XX && MACH_TOSA
++ If unsure, say N.
++
++ To compile this driver as a module, choose M here: the
++ module will be called tosa_ts.
++
+ config TOUCHSCREEN_TSC2101
+ tristate "TI TSC2101 touchscreen input driver"
+ depends on MACH_HX2750 && INPUT && INPUT_TOUCHSCREEN
+diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
+index f64d1a5..4fc0e17 100644
+--- a/drivers/input/touchscreen/Makefile
++++ b/drivers/input/touchscreen/Makefile
+@@ -22,6 +22,7 @@ obj-$(CONFIG_TOUCHSCREEN_UCB1400) += ucb1400_ts.o
+ obj-$(CONFIG_TOUCHSCREEN_TSC2101) += tsc2101_ts.o
+ obj-$(CONFIG_TOUCHSCREEN_WM97XX) += wm97xx-ts.o
+ obj-$(CONFIG_TOUCHSCREEN_WM97XX_PXA) += pxa-wm97xx.o
++obj-$(CONFIG_TOUCHSCREEN_TOSA) += tosa_ts.o
+
+ ifeq ($(CONFIG_TOUCHSCREEN_WM9713),y)
+ wm97xx-ts-objs += wm9713.o
+diff --git a/drivers/input/touchscreen/tosa_ts.c b/drivers/input/touchscreen/tosa_ts.c
+new file mode 100644
+index 0000000..bc733e9
+--- /dev/null
++++ b/drivers/input/touchscreen/tosa_ts.c
+@@ -0,0 +1,102 @@
++/*
++ * tosa_ts.c -- Touchscreen driver for Sharp SL-6000 (Tosa).
++ *
++ * Copyright 2006 Wolfson Microelectronics PLC.
++ * Author: Mike Arthur
++ * linux@wolfsonmicro.com
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License as published by the
++ * Free Software Foundation; either version 2 of the License, or (at your
++ * option) any later version.
++ *
++ * Revision history
++ * 1st Sep 2006 Initial version.
++ *
++ */
++
++#include <linux/wm97xx.h>
++#include <asm/arch/tosa.h>
++#include <asm/arch/hardware.h>
++#include <asm/arch/pxa-regs.h>
++
++/* Taken from the Sharp 2.4 kernel code */
++#define CCNT(a) asm volatile ("mrc p14, 0, %0, C1, C1, 0" : "=r"(a))
++#define CCNT_ON() asm("mcr p14, 0, %0, C0, C0, 0" : : "r"(1))
++#define CCNT_OFF() asm("mcr p14, 0, %0, C0, C0, 0" : : "r"(1))
++
++static inline void tosa_lcd_wait_hsync(void)
++{
++ /* Waits for a rising edge on the VGA line */
++ while((GPLR(TOSA_GPIO_VGA_LINE) & GPIO_bit(TOSA_GPIO_VGA_LINE)) == 0);
++ while((GPLR(TOSA_GPIO_VGA_LINE) & GPIO_bit(TOSA_GPIO_VGA_LINE)) != 0);
++}
++
++/* On the Sharp SL-6000 (Tosa), due to a noisy LCD, we need to perform a wait
++ * before sampling the Y axis of the touchscreen */
++void tosa_lcd_sync_on(int adcsel) {
++ unsigned long timer1 = 0, timer2 = 0, wait_time = 0;
++ if (adcsel == WM97XX_ADCSEL_Y) {
++ wait_time = tosa_lcd_get_hsync_time();
++ CCNT_ON();
++
++ if (wait_time) {
++ /* wait for LCD rising edge */
++ tosa_lcd_wait_hsync();
++ /* get clock */
++ CCNT(timer1);
++ CCNT(timer2);
++
++ while ((timer2 - timer1) < wait_time) {
++ CCNT(timer2);
++ }
++ }
++ }
++}
++
++void tosa_lcd_sync_off(void) {
++ CCNT_OFF();
++}
++
++static struct wm97xx_mach_ops tosa_mach_ops = {
++ .pre_sample = tosa_lcd_sync_on,
++ .post_sample = tosa_lcd_sync_off,
++};
++
++int tosa_ts_probe(struct device *dev) {
++ struct wm97xx *wm = dev->driver_data;
++ return wm97xx_register_mach_ops (wm, &tosa_mach_ops);
++}
++
++
++int tosa_ts_remove(struct device *dev) {
++ struct wm97xx *wm = dev->driver_data;
++ wm97xx_unregister_mach_ops (wm);
++ return 0;
++}
++
++static struct device_driver tosa_ts_driver = {
++ .name = "wm97xx-touchscreen",
++ .bus = &wm97xx_bus_type,
++ .owner = THIS_MODULE,
++ .probe = tosa_ts_probe,
++ .remove = tosa_ts_remove,
++};
++
++static int __init tosa_ts_init(void)
++{
++ return driver_register(&tosa_ts_driver);
++}
++
++static void __exit tosa_ts_exit(void)
++{
++ driver_unregister(&tosa_ts_driver);
++}
++
++module_init(tosa_ts_init);
++module_exit(tosa_ts_exit);
++
++/* Module information */
++MODULE_AUTHOR("Mike Arthur, mike@mikearthur.co.uk, www.wolfsonmicro.com");
++MODULE_DESCRIPTION("Sharp SL6000 Tosa Touch Screen Driver");
++MODULE_LICENSE("GPL");
+--
+1.4.4.4
+
+From 564b757ba44b517ac6d693b94a177708bb5d3887 Mon Sep 17 00:00:00 2001
+From: Dmitry Baryshkov <dbaryshkov@gmail.com>
+Date: Fri, 19 Oct 2007 17:30:30 +0400
+Subject: [PATCH] tosa-lcdnoise-r1.patch
+
+---
+ drivers/input/touchscreen/Kconfig | 13 +++++
+ drivers/input/touchscreen/Makefile | 1 +
+ drivers/input/touchscreen/tosa_ts.c | 102 +++++++++++++++++++++++++++++++++++
+ 3 files changed, 116 insertions(+), 0 deletions(-)
+
+diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
+index 3ac01b4..6862e8f 100644
+--- a/drivers/input/touchscreen/Kconfig
++++ b/drivers/input/touchscreen/Kconfig
+@@ -219,6 +219,19 @@ config TOUCHSCREEN_USB_DMC_TSC10
+ bool "DMC TSC-10/25 device support" if EMBEDDED
+ depends on TOUCHSCREEN_USB_COMPOSITE
+
++config TOUCHSCREEN_TOSA
++ tristate "Sharp Tosa touchscreen driver"
++ depends on TOUCHSCREEN_WM97XX && MACH_TOSA
++ default n
++ help
++ Say Y here to enable the driver for the touchscreen on the
++ Sharp Tosa PDA.
++ depends on TOUCHSCREEN_WM97XX && MACH_TOSA
++ If unsure, say N.
++
++ To compile this driver as a module, choose M here: the
++ module will be called tosa_ts.
++
+ config TOUCHSCREEN_TSC2101
+ tristate "TI TSC2101 touchscreen input driver"
+ depends on MACH_HX2750 && INPUT && INPUT_TOUCHSCREEN
+diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
+index f64d1a5..4fc0e17 100644
+--- a/drivers/input/touchscreen/Makefile
++++ b/drivers/input/touchscreen/Makefile
+@@ -22,6 +22,7 @@ obj-$(CONFIG_TOUCHSCREEN_UCB1400) += ucb1400_ts.o
+ obj-$(CONFIG_TOUCHSCREEN_TSC2101) += tsc2101_ts.o
+ obj-$(CONFIG_TOUCHSCREEN_WM97XX) += wm97xx-ts.o
+ obj-$(CONFIG_TOUCHSCREEN_WM97XX_PXA) += pxa-wm97xx.o
++obj-$(CONFIG_TOUCHSCREEN_TOSA) += tosa_ts.o
+
+ ifeq ($(CONFIG_TOUCHSCREEN_WM9713),y)
+ wm97xx-ts-objs += wm9713.o
+diff --git a/drivers/input/touchscreen/tosa_ts.c b/drivers/input/touchscreen/tosa_ts.c
+new file mode 100644
+index 0000000..bc733e9
+--- /dev/null
++++ b/drivers/input/touchscreen/tosa_ts.c
+@@ -0,0 +1,102 @@
++/*
++ * tosa_ts.c -- Touchscreen driver for Sharp SL-6000 (Tosa).
++ *
++ * Copyright 2006 Wolfson Microelectronics PLC.
++ * Author: Mike Arthur
++ * linux@wolfsonmicro.com
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License as published by the
++ * Free Software Foundation; either version 2 of the License, or (at your
++ * option) any later version.
++ *
++ * Revision history
++ * 1st Sep 2006 Initial version.
++ *
++ */
++
++#include <linux/wm97xx.h>
++#include <asm/arch/tosa.h>
++#include <asm/arch/hardware.h>
++#include <asm/arch/pxa-regs.h>
++
++/* Taken from the Sharp 2.4 kernel code */
++#define CCNT(a) asm volatile ("mrc p14, 0, %0, C1, C1, 0" : "=r"(a))
++#define CCNT_ON() asm("mcr p14, 0, %0, C0, C0, 0" : : "r"(1))
++#define CCNT_OFF() asm("mcr p14, 0, %0, C0, C0, 0" : : "r"(1))
++
++static inline void tosa_lcd_wait_hsync(void)
++{
++ /* Waits for a rising edge on the VGA line */
++ while((GPLR(TOSA_GPIO_VGA_LINE) & GPIO_bit(TOSA_GPIO_VGA_LINE)) == 0);
++ while((GPLR(TOSA_GPIO_VGA_LINE) & GPIO_bit(TOSA_GPIO_VGA_LINE)) != 0);
++}
++
++/* On the Sharp SL-6000 (Tosa), due to a noisy LCD, we need to perform a wait
++ * before sampling the Y axis of the touchscreen */
++void tosa_lcd_sync_on(int adcsel) {
++ unsigned long timer1 = 0, timer2 = 0, wait_time = 0;
++ if (adcsel == WM97XX_ADCSEL_Y) {
++ wait_time = tosa_lcd_get_hsync_time();
++ CCNT_ON();
++
++ if (wait_time) {
++ /* wait for LCD rising edge */
++ tosa_lcd_wait_hsync();
++ /* get clock */
++ CCNT(timer1);
++ CCNT(timer2);
++
++ while ((timer2 - timer1) < wait_time) {
++ CCNT(timer2);
++ }
++ }
++ }
++}
++
++void tosa_lcd_sync_off(void) {
++ CCNT_OFF();
++}
++
++static struct wm97xx_mach_ops tosa_mach_ops = {
++ .pre_sample = tosa_lcd_sync_on,
++ .post_sample = tosa_lcd_sync_off,
++};
++
++int tosa_ts_probe(struct device *dev) {
++ struct wm97xx *wm = dev->driver_data;
++ return wm97xx_register_mach_ops (wm, &tosa_mach_ops);
++}
++
++
++int tosa_ts_remove(struct device *dev) {
++ struct wm97xx *wm = dev->driver_data;
++ wm97xx_unregister_mach_ops (wm);
++ return 0;
++}
++
++static struct device_driver tosa_ts_driver = {
++ .name = "wm97xx-touchscreen",
++ .bus = &wm97xx_bus_type,
++ .owner = THIS_MODULE,
++ .probe = tosa_ts_probe,
++ .remove = tosa_ts_remove,
++};
++
++static int __init tosa_ts_init(void)
++{
++ return driver_register(&tosa_ts_driver);
++}
++
++static void __exit tosa_ts_exit(void)
++{
++ driver_unregister(&tosa_ts_driver);
++}
++
++module_init(tosa_ts_init);
++module_exit(tosa_ts_exit);
++
++/* Module information */
++MODULE_AUTHOR("Mike Arthur, mike@mikearthur.co.uk, www.wolfsonmicro.com");
++MODULE_DESCRIPTION("Sharp SL6000 Tosa Touch Screen Driver");
++MODULE_LICENSE("GPL");
+--
+1.4.4.4
+