Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 160 insertions, 0 deletions

diff --git a/drivers/input/touchscreen/cyttsp_core.h b/drivers/input/touchscreen/cyttsp_core.h
new file mode 100644
index 000000000..7835e2bac
--- /dev/null
+++ b/drivers/input/touchscreen/cyttsp_core.h
@@ -0,0 +1,160 @@
+/*
+ * Header file for:
+ * Cypress TrueTouch(TM) Standard Product (TTSP) touchscreen drivers.
+ * For use with Cypress Txx3xx parts.
+ * Supported parts include:
+ * CY8CTST341
+ * CY8CTMA340
+ *
+ * Copyright (C) 2009, 2010, 2011 Cypress Semiconductor, Inc.
+ * Copyright (C) 2012 Javier Martinez Canillas <javier@dowhile0.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2, and only version 2, as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Contact Cypress Semiconductor at www.cypress.com <kev@cypress.com>
+ *
+ */
+
+
+#ifndef __CYTTSP_CORE_H__
+#define __CYTTSP_CORE_H__
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/device.h>
+#include <linux/input/cyttsp.h>
+
+#define CY_NUM_RETRY		16 /* max number of retries for read ops */
+
+struct cyttsp_tch {
+	__be16 x, y;
+	u8 z;
+} __packed;
+
+/* TrueTouch Standard Product Gen3 interface definition */
+struct cyttsp_xydata {
+	u8 hst_mode;
+	u8 tt_mode;
+	u8 tt_stat;
+	struct cyttsp_tch tch1;
+	u8 touch12_id;
+	struct cyttsp_tch tch2;
+	u8 gest_cnt;
+	u8 gest_id;
+	struct cyttsp_tch tch3;
+	u8 touch34_id;
+	struct cyttsp_tch tch4;
+	u8 tt_undef[3];
+	u8 act_dist;
+	u8 tt_reserved;
+} __packed;
+
+
+/* TTSP System Information interface definition */
+struct cyttsp_sysinfo_data {
+	u8 hst_mode;
+	u8 mfg_stat;
+	u8 mfg_cmd;
+	u8 cid[3];
+	u8 tt_undef1;
+	u8 uid[8];
+	u8 bl_verh;
+	u8 bl_verl;
+	u8 tts_verh;
+	u8 tts_verl;
+	u8 app_idh;
+	u8 app_idl;
+	u8 app_verh;
+	u8 app_verl;
+	u8 tt_undef[5];
+	u8 scn_typ;
+	u8 act_intrvl;
+	u8 tch_tmout;
+	u8 lp_intrvl;
+};
+
+/* TTSP Bootloader Register Map interface definition */
+#define CY_BL_CHKSUM_OK 0x01
+struct cyttsp_bootloader_data {
+	u8 bl_file;
+	u8 bl_status;
+	u8 bl_error;
+	u8 blver_hi;
+	u8 blver_lo;
+	u8 bld_blver_hi;
+	u8 bld_blver_lo;
+	u8 ttspver_hi;
+	u8 ttspver_lo;
+	u8 appid_hi;
+	u8 appid_lo;
+	u8 appver_hi;
+	u8 appver_lo;
+	u8 cid_0;
+	u8 cid_1;
+	u8 cid_2;
+};
+
+struct cyttsp;
+
+struct cyttsp_bus_ops {
+	u16 bustype;
+	int (*write)(struct device *dev, u8 *xfer_buf, u16 addr, u8 length,
+			const void *values);
+	int (*read)(struct device *dev, u8 *xfer_buf, u16 addr, u8 length,
+			void *values);
+};
+
+enum cyttsp_state {
+	CY_IDLE_STATE,
+	CY_ACTIVE_STATE,
+	CY_BL_STATE,
+};
+
+struct cyttsp {
+	struct device *dev;
+	int irq;
+	struct input_dev *input;
+	char phys[32];
+	const struct cyttsp_bus_ops *bus_ops;
+	struct cyttsp_bootloader_data bl_data;
+	struct cyttsp_sysinfo_data sysinfo_data;
+	struct cyttsp_xydata xy_data;
+	struct completion bl_ready;
+	enum cyttsp_state state;
+	bool suspended;
+
+	struct gpio_desc *reset_gpio;
+	bool use_hndshk;
+	u8 act_dist;
+	u8 act_intrvl;
+	u8 tch_tmout;
+	u8 lp_intrvl;
+	u8 *bl_keys;
+
+	u8 xfer_buf[] ____cacheline_aligned;
+};
+
+struct cyttsp *cyttsp_probe(const struct cyttsp_bus_ops *bus_ops,
+			    struct device *dev, int irq, size_t xfer_buf_size);
+
+int cyttsp_i2c_write_block_data(struct device *dev, u8 *xfer_buf, u16 addr,
+		u8 length, const void *values);
+int cyttsp_i2c_read_block_data(struct device *dev, u8 *xfer_buf, u16 addr,
+		u8 length, void *values);
+extern const struct dev_pm_ops cyttsp_pm_ops;
+
+#endif /* __CYTTSP_CORE_H__ */