diff options
Diffstat (limited to 'drivers/input/touchscreen/msg2233/mstar_drv_mtk.c')
| -rw-r--r-- | drivers/input/touchscreen/msg2233/mstar_drv_mtk.c | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/msg2233/mstar_drv_mtk.c b/drivers/input/touchscreen/msg2233/mstar_drv_mtk.c new file mode 100644 index 00000000..3d4eb087 --- /dev/null +++ b/drivers/input/touchscreen/msg2233/mstar_drv_mtk.c @@ -0,0 +1,275 @@ +////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2006-2014 MStar Semiconductor, Inc.
+// All rights reserved.
+//
+// Unless otherwise stipulated in writing, any and all information contained
+// herein regardless in any format shall remain the sole proprietary of
+// MStar Semiconductor Inc. and be kept in strict confidence
+// (??MStar Confidential Information??) by the recipient.
+// Any unauthorized act including without limitation unauthorized disclosure,
+// copying, use, reproduction, sale, distribution, modification, disassembling,
+// reverse engineering and compiling of the contents of MStar Confidential
+// Information is unlawful and strictly prohibited. MStar hereby reserves the
+// rights to any and all damages, losses, costs and expenses resulting therefrom.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+/**
+ *
+ * @file mstar_drv_mtk.c
+ *
+ * @brief This file defines the interface of touch screen
+ *
+ *
+ */
+
+/*=============================================================*/
+// INCLUDE FILE
+/*=============================================================*/
+
+#include <linux/interrupt.h>
+#include <linux/i2c.h>
+#include <linux/sched.h>
+#include <linux/kthread.h>
+#include <linux/rtpm_prio.h>
+#include <linux/wait.h>
+#include <linux/time.h>
+#include <linux/delay.h>
+#include <linux/hwmsen_helper.h>
+//#include <linux/hw_module_info.h>
+
+#include <linux/fs.h>
+#include <asm/uaccess.h>
+#include <linux/namei.h>
+#include <linux/vmalloc.h>
+
+#include <mach/mt_pm_ldo.h>
+#include <mach/mt_typedefs.h>
+#include <mach/mt_boot.h>
+#include <mach/mt_gpio.h>
+
+#include <cust_eint.h>
+
+#include "tpd.h"
+#include "cust_gpio_usage.h"
+
+#include "mstar_drv_platform_interface.h"
+
+/*=============================================================*/
+// CONSTANT VALUE DEFINITION
+/*=============================================================*/
+
+#define MSG_TP_IC_NAME "msg2xxx" //"msg21xxA" or "msg22xx" or "msg26xxM" /* Please define the mstar touch ic name based on the mutual-capacitive ic or self capacitive ic that you are using */
+#define I2C_BUS_ID (1) // i2c bus id : 0 or 1
+
+#define TPD_OK (0)
+
+/*=============================================================*/
+// EXTERN VARIABLE DECLARATION
+/*=============================================================*/
+
+#ifdef CONFIG_TP_HAVE_KEY
+extern const int g_TpVirtualKey[];
+
+#ifdef CONFIG_ENABLE_REPORT_KEY_WITH_COORDINATE
+extern const int g_TpVirtualKeyDimLocal[][4];
+#endif //CONFIG_ENABLE_REPORT_KEY_WITH_COORDINATE
+#endif //CONFIG_TP_HAVE_KEY
+
+extern struct tpd_device *tpd;
+
+/*=============================================================*/
+// LOCAL VARIABLE DEFINITION
+/*=============================================================*/
+
+/*
+#if (defined(TPD_WARP_START) && defined(TPD_WARP_END))
+static int tpd_wb_start_local[TPD_WARP_CNT] = TPD_WARP_START;
+static int tpd_wb_end_local[TPD_WARP_CNT] = TPD_WARP_END;
+#endif
+
+#if (defined(TPD_HAVE_CALIBRATION) && !defined(TPD_CUSTOM_CALIBRATION))
+static int tpd_calmat_local[8] = TPD_CALIBRATION_MATRIX;
+static int tpd_def_calmat_local[8] = TPD_CALIBRATION_MATRIX;
+#endif
+*/
+struct i2c_client *g_I2cClient = NULL;
+
+//static int boot_mode = 0;
+
+/*=============================================================*/
+// FUNCTION DECLARATION
+/*=============================================================*/
+
+/*=============================================================*/
+// FUNCTION DEFINITION
+/*=============================================================*/
+
+/* probe function is used for matching and initializing input device */
+static int /*__devinit*/ tpd_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+ TPD_DMESG("TPD probe\n");
+
+ if (client == NULL)
+ {
+ TPD_DMESG("i2c client is NULL\n");
+ return -1;
+ }
+ g_I2cClient = client;
+
+ MsDrvInterfaceTouchDeviceSetIicDataRate(g_I2cClient, 100000); // 100 KHZ
+
+ MsDrvInterfaceTouchDeviceProbe(g_I2cClient, id);
+
+ tpd_load_status = 1;
+
+ TPD_DMESG("TPD probe done\n");
+
+ return TPD_OK;
+}
+
+static int tpd_detect(struct i2c_client *client, struct i2c_board_info *info)
+{
+ strcpy(info->type, TPD_DEVICE);
+// strcpy(info->type, MSG_TP_IC_NAME);
+
+ return TPD_OK;
+}
+
+static int /*__devexit*/ tpd_remove(struct i2c_client *client)
+{
+ TPD_DEBUG("TPD removed\n");
+
+ MsDrvInterfaceTouchDeviceRemove(client);
+
+ return TPD_OK;
+}
+
+static struct i2c_board_info __initdata i2c_tpd = {I2C_BOARD_INFO(MSG_TP_IC_NAME, (0x4C>>1))};
+
+/* The I2C device list is used for matching I2C device and I2C device driver. */
+static const struct i2c_device_id tpd_device_id[] =
+{
+ {MSG_TP_IC_NAME, 0},
+ {}, /* should not omitted */
+};
+
+MODULE_DEVICE_TABLE(i2c, tpd_device_id);
+
+static struct i2c_driver tpd_i2c_driver = {
+ .driver = {
+ .name = MSG_TP_IC_NAME,
+ },
+ .probe = tpd_probe,
+ //.remove = __devexit_p(tpd_remove),
+ .remove = tpd_remove,
+ .id_table = tpd_device_id,
+ .detect = tpd_detect,
+};
+
+static int tpd_local_init(void)
+{
+ TPD_DMESG("TPD init device driver (Built %s @ %s)\n", __DATE__, __TIME__);
+/*
+ // Software reset mode will be treated as normal boot
+ boot_mode = get_boot_mode();
+ if (boot_mode == 3)
+ {
+ boot_mode = NORMAL_BOOT;
+ }
+*/
+ if (i2c_add_driver(&tpd_i2c_driver) != 0)
+ {
+ TPD_DMESG("unable to add i2c driver.\n");
+
+ return -1;
+ }
+
+ if (tpd_load_status == 0)
+ {
+ TPD_DMESG("add error touch panel driver.\n");
+
+ i2c_del_driver(&tpd_i2c_driver);
+ return -1;
+ }
+
+#ifdef CONFIG_TP_HAVE_KEY
+#ifdef CONFIG_ENABLE_REPORT_KEY_WITH_COORDINATE
+ // initialize tpd button data
+ tpd_button_setting(4, g_TpVirtualKey, g_TpVirtualKeyDimLocal); //MAX_KEY_NUM
+#endif //CONFIG_ENABLE_REPORT_KEY_WITH_COORDINATE
+#endif //CONFIG_TP_HAVE_KEY
+
+/*
+#if (defined(TPD_WARP_START) && defined(TPD_WARP_END))
+ TPD_DO_WARP = 1;
+ memcpy(tpd_wb_start, tpd_wb_start_local, TPD_WARP_CNT*4);
+ memcpy(tpd_wb_end, tpd_wb_start_local, TPD_WARP_CNT*4);
+#endif
+
+#if (defined(TPD_HAVE_CALIBRATION) && !defined(TPD_CUSTOM_CALIBRATION))
+ memcpy(tpd_calmat, tpd_def_calmat_local, 8*4);
+ memcpy(tpd_def_calmat, tpd_def_calmat_local, 8*4);
+#endif
+*/
+ TPD_DMESG("TPD init done %s, %d\n", __FUNCTION__, __LINE__);
+
+ return TPD_OK;
+}
+
+static void tpd_resume(struct early_suspend *h)
+{
+ TPD_DMESG("TPD wake up\n");
+
+ MsDrvInterfaceTouchDeviceResume(h);
+
+ TPD_DMESG("TPD wake up done\n");
+}
+
+static void tpd_suspend(struct early_suspend *h)
+{
+ TPD_DMESG("TPD enter sleep\n");
+
+ MsDrvInterfaceTouchDeviceSuspend(h);
+
+ TPD_DMESG("TPD enter sleep done\n");
+}
+
+static struct tpd_driver_t tpd_device_driver = {
+ .tpd_device_name = MSG_TP_IC_NAME,
+ .tpd_local_init = tpd_local_init,
+ .suspend = tpd_suspend,
+ .resume = tpd_resume,
+#ifdef CONFIG_TP_HAVE_KEY
+#ifdef CONFIG_ENABLE_REPORT_KEY_WITH_COORDINATE
+ .tpd_have_button = 1,
+#else
+ .tpd_have_button = 0,
+#endif //CONFIG_ENABLE_REPORT_KEY_WITH_COORDINATE
+#endif //CONFIG_TP_HAVE_KEY
+};
+
+static int __init tpd_driver_init(void)
+{
+ TPD_DMESG("touch panel driver init\n");
+
+ i2c_register_board_info(I2C_BUS_ID, &i2c_tpd, 1);
+ if (tpd_driver_add(&tpd_device_driver) < 0)
+ {
+ TPD_DMESG("TPD add driver failed\n");
+ }
+
+ return 0;
+}
+
+static void __exit tpd_driver_exit(void)
+{
+ TPD_DMESG("touch panel driver exit\n");
+
+ tpd_driver_remove(&tpd_device_driver);
+}
+
+module_init(tpd_driver_init);
+module_exit(tpd_driver_exit);
+MODULE_LICENSE("GPL");
\ No newline at end of file |