mach-ux500: Load snowball touchscreen firmware from userspace

Signed-off-by: ramesh.chandrasekaran <ramesh.chandrasekaran@stericsson.com>

2 files changed, 82 insertions, 7 deletions

diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 1e68e6aa1b6..ff30b835871 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -9,11 +9,13 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/i2c.h>
+#include <linux/input/st-ftk.h>
 #include <linux/gpio.h>
 #include <linux/gpio/nomadik.h>
 #include <linux/amba/bus.h>
@@ -719,12 +721,26 @@ static struct i2c_board_info __initdata snowball_i2c0_devices[] = {
 #endif
 };
 
-#ifdef CONFIG_TOUCHSCREEN_STMT07
-static struct i2c_board_info __initdata snowball_i2c1_devices[] = {
+#ifdef CONFIG_TOUCHSCREEN_STMT07_MODULE
+struct ftk_platform_data ftk_platdata_snowball = {
+	.gpio_rst = -1,
+	.x_min = 0,
+	.x_max = 1280,
+	.y_min = 0,
+	.y_max = 800,
+	.p_min = 0,
+	.p_max = 256,
+	.portrait = 0,
+	.patch_file = "st-ftkt.bin",
+	.busnum = 1,
+};
+
+static struct i2c_board_info snowball_i2c1_devices[] = {
 	{
-	/* STM TS controller */
+		/* STM TS controller */
 		I2C_BOARD_INFO("ftk", 0x4B),
 		.irq		= NOMADIK_GPIO_TO_IRQ(152),
+		.platform_data = &ftk_platdata_snowball,
 	},
 };
 #endif
@@ -1075,6 +1091,14 @@ static struct platform_device *mop500_platform_devs[] __initdata = {
 #endif
 };
 
+#ifdef CONFIG_TOUCHSCREEN_STMT07_MODULE
+const struct i2c_board_info *snowball_touch_get_plat_data(void)
+{
+	return snowball_i2c1_devices;
+}
+EXPORT_SYMBOL_GPL(snowball_touch_get_plat_data);
+#endif
+
 #ifdef CONFIG_STM_MSP_SPI
 /*
  * MSP-SPI
@@ -1418,10 +1442,7 @@ static void __init snowball_init_machine(void)
 
 	i2c_register_board_info(0, snowball_i2c0_devices,
 			ARRAY_SIZE(snowball_i2c0_devices));
-#ifdef CONFIG_TOUCHSCREEN_STMT07
-	i2c_register_board_info(1, snowball_i2c1_devices,
-			ARRAY_SIZE(snowball_i2c1_devices));
-#endif
+
 	/* This board has full regulator constraints */
 	regulator_has_full_constraints();
 }
diff --git a/include/linux/input/st-ftk.h b/include/linux/input/st-ftk.h
new file mode 100644
index 00000000000..398c437b6d4
--- /dev/null
+++ b/include/linux/input/st-ftk.h
@@ -0,0 +1,54 @@
+/*
+ * STMicroelectronics FingertipK touchscreen driver
+ *
+ * Copyright (C) ST-Ericsson SA 2012
+ *
+ * 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.
+ *
+ * THE PRESENT SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES
+ * OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, FOR THE SOLE
+ * PURPOSE TO SUPPORT YOUR APPLICATION DEVELOPMENT.
+ * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
+ * CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
+ * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+ *
+ */
+
+#ifndef _LINUX_INPUT_FTK_H
+#define _LINUX_INPUT_FTK_H
+
+
+/*
+ * STMT05/STMT07 FingerTipK driver platform data
+ * gpio_rst: hardware reset pin (optional set -1)
+ * x_min/x_max : X pixel resolution
+ * y_min/y_max : Y pixel resolution
+ * p_min/p_max : pressure
+ * portrait : portrait (1) / landscape (0 - default) mode (optional)
+ * patch_file : name of the firmware binary file
+ *
+ */
+struct ftk_platform_data {
+	int gpio_rst;
+	u32 x_min;
+	u32 x_max;
+	u32 y_min;
+	u32 y_max;
+	u32 p_min;
+	u32 p_max;
+	bool portrait;
+	char patch_file[32];
+	int busnum;
+};
+
+const struct i2c_board_info *snowball_touch_get_plat_data(void);
+
+#endif /* _LINUX_INPUT_FTK_H */
+
+
+
+
+