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-rw-r--r--MAINTAINERS3
-rw-r--r--drivers/input/touchscreen/goodix.c74
-rw-r--r--drivers/input/touchscreen/goodix.h73
3 files changed, 81 insertions, 69 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 44e6c428703e..7ab4a058fe4d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7716,9 +7716,10 @@ F: drivers/media/usb/go7007/
GOODIX TOUCHSCREEN
M: Bastien Nocera <hadess@hadess.net>
+M: Hans de Goede <hdegoede@redhat.com>
L: linux-input@vger.kernel.org
S: Maintained
-F: drivers/input/touchscreen/goodix.c
+F: drivers/input/touchscreen/goodix*
GOOGLE ETHERNET DRIVERS
M: Catherine Sullivan <csully@google.com>
diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c
index 00536064f45e..76e93bc8389a 100644
--- a/drivers/input/touchscreen/goodix.c
+++ b/drivers/input/touchscreen/goodix.c
@@ -14,20 +14,15 @@
#include <linux/kernel.h>
#include <linux/dmi.h>
#include <linux/firmware.h>
-#include <linux/gpio/consumer.h>
-#include <linux/i2c.h>
-#include <linux/input.h>
-#include <linux/input/mt.h>
-#include <linux/input/touchscreen.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
-#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/acpi.h>
#include <linux/of.h>
#include <asm/unaligned.h>
+#include "goodix.h"
#define GOODIX_GPIO_INT_NAME "irq"
#define GOODIX_GPIO_RST_NAME "reset"
@@ -38,22 +33,11 @@
#define GOODIX_CONTACT_SIZE 8
#define GOODIX_MAX_CONTACT_SIZE 9
#define GOODIX_MAX_CONTACTS 10
-#define GOODIX_MAX_KEYS 7
#define GOODIX_CONFIG_MIN_LENGTH 186
#define GOODIX_CONFIG_911_LENGTH 186
#define GOODIX_CONFIG_967_LENGTH 228
#define GOODIX_CONFIG_GT9X_LENGTH 240
-#define GOODIX_CONFIG_MAX_LENGTH 240
-
-/* Register defines */
-#define GOODIX_REG_COMMAND 0x8040
-#define GOODIX_CMD_SCREEN_OFF 0x05
-
-#define GOODIX_READ_COOR_ADDR 0x814E
-#define GOODIX_GT1X_REG_CONFIG_DATA 0x8050
-#define GOODIX_GT9X_REG_CONFIG_DATA 0x8047
-#define GOODIX_REG_ID 0x8140
#define GOODIX_BUFFER_STATUS_READY BIT(7)
#define GOODIX_HAVE_KEY BIT(4)
@@ -68,55 +52,11 @@
#define ACPI_GPIO_SUPPORT
#endif
-struct goodix_ts_data;
-
-enum goodix_irq_pin_access_method {
- IRQ_PIN_ACCESS_NONE,
- IRQ_PIN_ACCESS_GPIO,
- IRQ_PIN_ACCESS_ACPI_GPIO,
- IRQ_PIN_ACCESS_ACPI_METHOD,
-};
-
-struct goodix_chip_data {
- u16 config_addr;
- int config_len;
- int (*check_config)(struct goodix_ts_data *ts, const u8 *cfg, int len);
- void (*calc_config_checksum)(struct goodix_ts_data *ts);
-};
-
struct goodix_chip_id {
const char *id;
const struct goodix_chip_data *data;
};
-#define GOODIX_ID_MAX_LEN 4
-
-struct goodix_ts_data {
- struct i2c_client *client;
- struct input_dev *input_dev;
- const struct goodix_chip_data *chip;
- struct touchscreen_properties prop;
- unsigned int max_touch_num;
- unsigned int int_trigger_type;
- struct regulator *avdd28;
- struct regulator *vddio;
- struct gpio_desc *gpiod_int;
- struct gpio_desc *gpiod_rst;
- int gpio_count;
- int gpio_int_idx;
- char id[GOODIX_ID_MAX_LEN + 1];
- u16 version;
- const char *cfg_name;
- bool reset_controller_at_probe;
- bool load_cfg_from_disk;
- struct completion firmware_loading_complete;
- unsigned long irq_flags;
- enum goodix_irq_pin_access_method irq_pin_access_method;
- unsigned int contact_size;
- u8 config[GOODIX_CONFIG_MAX_LENGTH];
- unsigned short keymap[GOODIX_MAX_KEYS];
-};
-
static int goodix_check_cfg_8(struct goodix_ts_data *ts,
const u8 *cfg, int len);
static int goodix_check_cfg_16(struct goodix_ts_data *ts,
@@ -260,8 +200,7 @@ static const struct dmi_system_id inverted_x_screen[] = {
* @buf: raw write data buffer.
* @len: length of the buffer to write
*/
-static int goodix_i2c_read(struct i2c_client *client,
- u16 reg, u8 *buf, int len)
+int goodix_i2c_read(struct i2c_client *client, u16 reg, u8 *buf, int len)
{
struct i2c_msg msgs[2];
__be16 wbuf = cpu_to_be16(reg);
@@ -289,8 +228,7 @@ static int goodix_i2c_read(struct i2c_client *client,
* @buf: raw data buffer to write.
* @len: length of the buffer to write
*/
-static int goodix_i2c_write(struct i2c_client *client, u16 reg, const u8 *buf,
- int len)
+int goodix_i2c_write(struct i2c_client *client, u16 reg, const u8 *buf, int len)
{
u8 *addr_buf;
struct i2c_msg msg;
@@ -314,7 +252,7 @@ static int goodix_i2c_write(struct i2c_client *client, u16 reg, const u8 *buf,
return ret < 0 ? ret : (ret != 1 ? -EIO : 0);
}
-static int goodix_i2c_write_u8(struct i2c_client *client, u16 reg, u8 value)
+int goodix_i2c_write_u8(struct i2c_client *client, u16 reg, u8 value)
{
return goodix_i2c_write(client, reg, &value, sizeof(value));
}
@@ -598,7 +536,7 @@ static int goodix_check_cfg(struct goodix_ts_data *ts, const u8 *cfg, int len)
* @cfg: config firmware to write to device
* @len: config data length
*/
-static int goodix_send_cfg(struct goodix_ts_data *ts, const u8 *cfg, int len)
+int goodix_send_cfg(struct goodix_ts_data *ts, const u8 *cfg, int len)
{
int error;
@@ -696,7 +634,7 @@ static int goodix_irq_direction_input(struct goodix_ts_data *ts)
return -EINVAL; /* Never reached */
}
-static int goodix_int_sync(struct goodix_ts_data *ts)
+int goodix_int_sync(struct goodix_ts_data *ts)
{
int error;
diff --git a/drivers/input/touchscreen/goodix.h b/drivers/input/touchscreen/goodix.h
new file mode 100644
index 000000000000..cdaced4f2980
--- /dev/null
+++ b/drivers/input/touchscreen/goodix.h
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __GOODIX_H__
+#define __GOODIX_H__
+
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/input/mt.h>
+#include <linux/input/touchscreen.h>
+#include <linux/regulator/consumer.h>
+
+/* Register defines */
+#define GOODIX_REG_COMMAND 0x8040
+#define GOODIX_CMD_SCREEN_OFF 0x05
+
+#define GOODIX_GT1X_REG_CONFIG_DATA 0x8050
+#define GOODIX_GT9X_REG_CONFIG_DATA 0x8047
+#define GOODIX_REG_ID 0x8140
+#define GOODIX_READ_COOR_ADDR 0x814E
+
+#define GOODIX_ID_MAX_LEN 4
+#define GOODIX_CONFIG_MAX_LENGTH 240
+#define GOODIX_MAX_KEYS 7
+
+enum goodix_irq_pin_access_method {
+ IRQ_PIN_ACCESS_NONE,
+ IRQ_PIN_ACCESS_GPIO,
+ IRQ_PIN_ACCESS_ACPI_GPIO,
+ IRQ_PIN_ACCESS_ACPI_METHOD,
+};
+
+struct goodix_ts_data;
+
+struct goodix_chip_data {
+ u16 config_addr;
+ int config_len;
+ int (*check_config)(struct goodix_ts_data *ts, const u8 *cfg, int len);
+ void (*calc_config_checksum)(struct goodix_ts_data *ts);
+};
+
+struct goodix_ts_data {
+ struct i2c_client *client;
+ struct input_dev *input_dev;
+ const struct goodix_chip_data *chip;
+ struct touchscreen_properties prop;
+ unsigned int max_touch_num;
+ unsigned int int_trigger_type;
+ struct regulator *avdd28;
+ struct regulator *vddio;
+ struct gpio_desc *gpiod_int;
+ struct gpio_desc *gpiod_rst;
+ int gpio_count;
+ int gpio_int_idx;
+ char id[GOODIX_ID_MAX_LEN + 1];
+ u16 version;
+ const char *cfg_name;
+ bool reset_controller_at_probe;
+ bool load_cfg_from_disk;
+ struct completion firmware_loading_complete;
+ unsigned long irq_flags;
+ enum goodix_irq_pin_access_method irq_pin_access_method;
+ unsigned int contact_size;
+ u8 config[GOODIX_CONFIG_MAX_LENGTH];
+ unsigned short keymap[GOODIX_MAX_KEYS];
+};
+
+int goodix_i2c_read(struct i2c_client *client, u16 reg, u8 *buf, int len);
+int goodix_i2c_write(struct i2c_client *client, u16 reg, const u8 *buf, int len);
+int goodix_i2c_write_u8(struct i2c_client *client, u16 reg, u8 value);
+int goodix_send_cfg(struct goodix_ts_data *ts, const u8 *cfg, int len);
+int goodix_int_sync(struct goodix_ts_data *ts);
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-01 10:42:04 +0000