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Message-ID: <1446766961-31259-1-git-send-email-aduggan@synaptics.com>
Date: Thu, 5 Nov 2015 15:42:41 -0800
From: Andrew Duggan <aduggan@...aptics.com>
To: <linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: Andrew Duggan <aduggan@...aptics.com>,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
Linus Walleij <linus.walleij@...aro.org>,
Benjamin Tissoires <benjamin.tissoires@...il.com>,
Christopher Heiny <cheiny@...aptics.com>,
Stephen Chandler Paul <cpaul@...hat.com>
Subject: [PATCH 23/26] Input: synaptics-rmi4: move structures and definitions to rmi.h
Move all of the structures and function definitions needed by hid-rmi
into rmi.h so that they can be accessed by hid-rmi.
Signed-off-by: Andrew Duggan <aduggan@...aptics.com>
---
drivers/input/rmi4/rmi_bus.h | 119 ---------------------------
drivers/input/rmi4/rmi_driver.h | 47 -----------
include/linux/rmi.h | 172 ++++++++++++++++++++++++++++++++++++++++
3 files changed, 172 insertions(+), 166 deletions(-)
diff --git a/drivers/input/rmi4/rmi_bus.h b/drivers/input/rmi4/rmi_bus.h
index 71c9005..59016e0 100644
--- a/drivers/input/rmi4/rmi_bus.h
+++ b/drivers/input/rmi4/rmi_bus.h
@@ -99,128 +99,11 @@ int __must_check __rmi_register_function_handler(struct rmi_function_handler *,
void rmi_unregister_function_handler(struct rmi_function_handler *);
-/**
- * struct rmi_driver - driver for an RMI4 sensor on the RMI bus.
- *
- * @driver: Device driver model driver
- * @irq_handler: Callback for handling irqs
- * @reset_handler: Called when a reset is detected.
- * @clear_irq_bits: Clear the specified bits in the current interrupt mask.
- * @set_irq_bist: Set the specified bits in the current interrupt mask.
- * @store_productid: Callback for cache product id from function 01
- * @data: Private data pointer
- *
- */
-struct rmi_driver {
- struct device_driver driver;
- int (*irq_handler)(struct rmi_device *rmi_dev, int irq);
- int (*reset_handler)(struct rmi_device *rmi_dev);
- int (*clear_irq_bits)(struct rmi_device *rmi_dev, unsigned long *mask);
- int (*set_irq_bits)(struct rmi_device *rmi_dev, unsigned long *mask);
- int (*store_productid)(struct rmi_device *rmi_dev);
- int (*set_input_params)(struct rmi_device *rmi_dev,
- struct input_dev *input);
- void *data;
-};
#define to_rmi_driver(d) \
container_of(d, struct rmi_driver, driver);
-/**
- * struct rmi_transport_stats - diagnostic information about the RMI transport
- * device, used in the xport_info debugfs file.
- *
- * @proto String indicating the protocol being used.
- * @tx_count Number of transmit operations.
- * @tx_errs Number of errors encountered during transmit operations.
- * @tx_bytes Number of bytes transmitted.
- * @rx_count Number of receive operations.
- * @rx_errs Number of errors encountered during receive operations.
- * @rx_bytes Number of bytes received.
- */
-struct rmi_transport_stats {
- unsigned long tx_count;
- unsigned long tx_errs;
- size_t tx_bytes;
- unsigned long rx_count;
- unsigned long rx_errs;
- size_t rx_bytes;
-};
-
-/**
- * struct rmi_transport_dev - represent an RMI transport device
- *
- * @dev: Pointer to the communication device, e.g. i2c or spi
- * @rmi_dev: Pointer to the RMI device
- * @irq_thread: if not NULL, the sensor driver will use this instead of the
- * default irq_thread implementation.
- * @hard_irq: if not NULL, the sensor driver will use this for the hard IRQ
- * handling
- * @proto_name: name of the transport protocol (SPI, i2c, etc)
- * @ops: pointer to transport operations implementation
- * @stats: transport statistics
- *
- * The RMI transport device implements the glue between different communication
- * buses such as I2C and SPI.
- *
- */
-struct rmi_transport_dev {
- struct device *dev;
- struct rmi_device *rmi_dev;
-
- int irq;
- int irq_flags;
-
- irqreturn_t (*irq_thread)(int irq, void *p);
- irqreturn_t (*hard_irq)(int irq, void *p);
-
- const char *proto_name;
- const struct rmi_transport_ops *ops;
- struct rmi_transport_stats stats;
-
- struct rmi_device_platform_data pdata;
-};
-
-/**
- * struct rmi_transport_ops - defines transport protocol operations.
- *
- * @write_block: Writing a block of data to the specified address
- * @read_block: Read a block of data from the specified address.
- */
-struct rmi_transport_ops {
- int (*write_block)(struct rmi_transport_dev *xport, u16 addr,
- const void *buf, size_t len);
- int (*read_block)(struct rmi_transport_dev *xport, u16 addr,
- void *buf, size_t len);
-
- int (*enable_device) (struct rmi_transport_dev *xport);
- void (*disable_device) (struct rmi_transport_dev *xport);
- int (*reset)(struct rmi_transport_dev *xport, u16 reset_addr);
-};
-
-/**
- * struct rmi_device - represents an RMI4 sensor device on the RMI bus.
- *
- * @dev: The device created for the RMI bus
- * @number: Unique number for the device on the bus.
- * @driver: Pointer to associated driver
- * @xport: Pointer to the transport interface
- * @debugfs_root: base for this particular sensor device.
- *
- */
-struct rmi_device {
- struct device dev;
- int number;
-
- struct rmi_driver *driver;
- struct rmi_transport_dev *xport;
-
-#ifdef CONFIG_RMI4_DEBUG
- struct dentry *debugfs_root;
-#endif
-};
-
#define to_rmi_device(d) container_of(d, struct rmi_device, dev)
static inline struct rmi_device_platform_data *
@@ -293,8 +176,6 @@ static inline int rmi_write_block(struct rmi_device *d, u16 addr,
return d->xport->ops->write_block(d->xport, addr, buf, len);
}
-int rmi_register_transport_device(struct rmi_transport_dev *xport);
-void rmi_unregister_transport_device(struct rmi_transport_dev *xport);
int rmi_for_each_dev(void *data, int (*func)(struct device *dev, void *data));
/**
diff --git a/drivers/input/rmi4/rmi_driver.h b/drivers/input/rmi4/rmi_driver.h
index e710aee..73f6141 100644
--- a/drivers/input/rmi4/rmi_driver.h
+++ b/drivers/input/rmi4/rmi_driver.h
@@ -32,51 +32,6 @@
#define NAME_BUFFER_SIZE 256
-struct rmi_driver_data {
- struct list_head function_list;
-
- struct rmi_device *rmi_dev;
-
- struct rmi_function *f01_container;
- bool f01_bootloader_mode;
-
- u32 attn_count;
- bool polling;
- int irq;
- int irq_flags;
- int num_of_irq_regs;
- int irq_count;
- unsigned long *irq_status;
- unsigned long *fn_irq_bits;
- unsigned long *current_irq_mask;
- unsigned long *new_irq_mask;
- struct mutex irq_mutex;
- struct input_dev *input;
- char input_phys[NAME_BUFFER_SIZE];
-
- /* Following are used when polling. */
- struct hrtimer poll_timer;
- struct work_struct poll_work;
- ktime_t poll_interval;
-
- u8 pdt_props;
- u8 bsr;
-
- bool enabled;
-#ifdef CONFIG_PM_SLEEP
- bool suspended;
- struct mutex suspend_mutex;
-
- void *pm_data;
- int (*pre_suspend) (const void *pm_data);
- int (*post_suspend) (const void *pm_data);
- int (*pre_resume) (const void *pm_data);
- int (*post_resume) (const void *pm_data);
-#endif
-
- void *data;
-};
-
#define RMI_PDT_ENTRY_SIZE 6
#define RMI_PDT_FUNCTION_VERSION_MASK 0x60
#define RMI_PDT_INT_SOURCE_COUNT_MASK 0x07
@@ -141,8 +96,6 @@ bool rmi_is_physical_driver(struct device_driver *);
int rmi_register_physical_driver(void);
void rmi_unregister_physical_driver(void);
-int rmi_process_interrupt_requests(struct rmi_device *rmi_dev);
-
int rmi_register_f01_handler(void);
void rmi_unregister_f01_handler(void);
char *rmi_f01_get_product_ID(struct rmi_function *fn);
diff --git a/include/linux/rmi.h b/include/linux/rmi.h
index 8de6581..2e4c658 100644
--- a/include/linux/rmi.h
+++ b/include/linux/rmi.h
@@ -23,6 +23,8 @@
#include <linux/wait.h>
#include <linux/debugfs.h>
+#define NAME_BUFFER_SIZE 256
+
#define RMI_POLLING -1
#define RMI_CUSTOM_IRQ -2
@@ -318,4 +320,174 @@ struct rmi_function_descriptor {
u8 function_version;
};
+struct rmi_device;
+
+/**
+ * struct rmi_transport_stats - diagnostic information about the RMI transport
+ * device, used in the xport_info debugfs file.
+ *
+ * @proto String indicating the protocol being used.
+ * @tx_count Number of transmit operations.
+ * @tx_errs Number of errors encountered during transmit operations.
+ * @tx_bytes Number of bytes transmitted.
+ * @rx_count Number of receive operations.
+ * @rx_errs Number of errors encountered during receive operations.
+ * @rx_bytes Number of bytes received.
+ */
+struct rmi_transport_stats {
+ unsigned long tx_count;
+ unsigned long tx_errs;
+ size_t tx_bytes;
+ unsigned long rx_count;
+ unsigned long rx_errs;
+ size_t rx_bytes;
+};
+
+/**
+ * struct rmi_transport_dev - represent an RMI transport device
+ *
+ * @dev: Pointer to the communication device, e.g. i2c or spi
+ * @rmi_dev: Pointer to the RMI device
+ * @irq_thread: if not NULL, the sensor driver will use this instead of the
+ * default irq_thread implementation.
+ * @hard_irq: if not NULL, the sensor driver will use this for the hard IRQ
+ * handling
+ * @proto_name: name of the transport protocol (SPI, i2c, etc)
+ * @ops: pointer to transport operations implementation
+ * @stats: transport statistics
+ *
+ * The RMI transport device implements the glue between different communication
+ * buses such as I2C and SPI.
+ *
+ */
+struct rmi_transport_dev {
+ struct device *dev;
+ struct rmi_device *rmi_dev;
+
+ int irq;
+ int irq_flags;
+
+ irqreturn_t (*irq_thread)(int irq, void *p);
+ irqreturn_t (*hard_irq)(int irq, void *p);
+
+ const char *proto_name;
+ const struct rmi_transport_ops *ops;
+ struct rmi_transport_stats stats;
+
+ struct rmi_device_platform_data pdata;
+};
+
+/**
+ * struct rmi_transport_ops - defines transport protocol operations.
+ *
+ * @write_block: Writing a block of data to the specified address
+ * @read_block: Read a block of data from the specified address.
+ */
+struct rmi_transport_ops {
+ int (*write_block)(struct rmi_transport_dev *xport, u16 addr,
+ const void *buf, size_t len);
+ int (*read_block)(struct rmi_transport_dev *xport, u16 addr,
+ void *buf, size_t len);
+
+ int (*enable_device)(struct rmi_transport_dev *xport);
+ void (*disable_device)(struct rmi_transport_dev *xport);
+ int (*reset)(struct rmi_transport_dev *xport, u16 reset_addr);
+};
+
+/**
+ * struct rmi_driver - driver for an RMI4 sensor on the RMI bus.
+ *
+ * @driver: Device driver model driver
+ * @irq_handler: Callback for handling irqs
+ * @reset_handler: Called when a reset is detected.
+ * @clear_irq_bits: Clear the specified bits in the current interrupt mask.
+ * @set_irq_bist: Set the specified bits in the current interrupt mask.
+ * @store_productid: Callback for cache product id from function 01
+ * @data: Private data pointer
+ *
+ */
+struct rmi_driver {
+ struct device_driver driver;
+
+ int (*irq_handler)(struct rmi_device *rmi_dev, int irq);
+ int (*reset_handler)(struct rmi_device *rmi_dev);
+ int (*clear_irq_bits)(struct rmi_device *rmi_dev, unsigned long *mask);
+ int (*set_irq_bits)(struct rmi_device *rmi_dev, unsigned long *mask);
+ int (*store_productid)(struct rmi_device *rmi_dev);
+ int (*set_input_params)(struct rmi_device *rmi_dev,
+ struct input_dev *input);
+ void *data;
+};
+
+/**
+ * struct rmi_device - represents an RMI4 sensor device on the RMI bus.
+ *
+ * @dev: The device created for the RMI bus
+ * @number: Unique number for the device on the bus.
+ * @driver: Pointer to associated driver
+ * @xport: Pointer to the transport interface
+ * @debugfs_root: base for this particular sensor device.
+ *
+ */
+struct rmi_device {
+ struct device dev;
+ int number;
+
+ struct rmi_driver *driver;
+ struct rmi_transport_dev *xport;
+
+#ifdef CONFIG_RMI4_DEBUG
+ struct dentry *debugfs_root;
+#endif
+};
+
+struct rmi_driver_data {
+ struct list_head function_list;
+
+ struct rmi_device *rmi_dev;
+
+ struct rmi_function *f01_container;
+ bool f01_bootloader_mode;
+
+ u32 attn_count;
+ bool polling;
+ int irq;
+ int irq_flags;
+ int num_of_irq_regs;
+ int irq_count;
+ unsigned long *irq_status;
+ unsigned long *fn_irq_bits;
+ unsigned long *current_irq_mask;
+ unsigned long *new_irq_mask;
+ struct mutex irq_mutex;
+ struct input_dev *input;
+ char input_phys[NAME_BUFFER_SIZE];
+
+ /* Following are used when polling. */
+ struct hrtimer poll_timer;
+ struct work_struct poll_work;
+ ktime_t poll_interval;
+
+ u8 pdt_props;
+ u8 bsr;
+
+ bool enabled;
+#ifdef CONFIG_PM_SLEEP
+ bool suspended;
+ struct mutex suspend_mutex;
+
+ void *pm_data;
+ int (*pre_suspend)(const void *pm_data);
+ int (*post_suspend)(const void *pm_data);
+ int (*pre_resume)(const void *pm_data);
+ int (*post_resume)(const void *pm_data);
+#endif
+
+ void *data;
+};
+
+int rmi_register_transport_device(struct rmi_transport_dev *xport);
+void rmi_unregister_transport_device(struct rmi_transport_dev *xport);
+int rmi_process_interrupt_requests(struct rmi_device *rmi_dev);
+
#endif
--
2.1.4
--
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