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Subject[PATCH 01/05] input: RMI4 public header file
Date
In addition to the changes described in part 0/5, this fixes some cut&paste
issues in the comments for module_rmi_function_driver.

Signed-off-by: Christopher Heiny <cheiny@synaptics.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Linus Walleij <linus.walleij@stericsson.com>
Cc: Joeri de Gram <j.de.gram@gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>

---

include/linux/rmi.h | 95 +++++++++++++++++++++++----------------------------
1 files changed, 43 insertions(+), 52 deletions(-)

diff --git a/include/linux/rmi.h b/include/linux/rmi.h
index daca41b..eec926f 100644
--- a/include/linux/rmi.h
+++ b/include/linux/rmi.h
@@ -2,25 +2,16 @@
* Copyright (c) 2011, 2012 Synaptics Incorporated
* Copyright (c) 2011 Unixphere
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
*/

#ifndef _RMI_H
#define _RMI_H
#include <linux/kernel.h>
#include <linux/cdev.h>
+#include <linux/debugfs.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/input.h>
@@ -31,7 +22,6 @@
#include <linux/stat.h>
#include <linux/types.h>
#include <linux/wait.h>
-#include <linux/debugfs.h>

extern struct bus_type rmi_bus_type;

@@ -73,7 +63,7 @@ enum rmi_attn_polarity {
* automatically enabled for this sensor.
*/
struct rmi_f11_2d_axis_alignment {
- bool swap_axes;
+ u32 swap_axes;
bool flip_x;
bool flip_y;
int clip_X_low;
@@ -82,7 +72,6 @@ struct rmi_f11_2d_axis_alignment {
int clip_Y_high;
int offset_X;
int offset_Y;
- int rel_report_enabled;
u8 delta_x_threshold;
u8 delta_y_threshold;
};
@@ -105,6 +94,7 @@ enum rmi_f11_sensor_type {

/**
* struct rmi_f11_sensor_data - overrides defaults for a single F11 2D sensor.
+ *
* @axis_align - provides axis alignment overrides (see above).
* @type_a - all modern RMI F11 firmwares implement Multifinger Type B
* protocol. Set this to true to force MF Type A behavior, in case you find
@@ -338,13 +328,14 @@ struct rmi_function_descriptor {
u8 function_version;
};

-struct rmi_function;
+struct rmi_function_dev;
struct rmi_device;

/**
- * struct rmi_function_handler - driver routines for a particular RMI function.
+ * struct rmi_function_driver - driver routines for a particular RMI function.
*
* @func: The RMI function number
+ * @probe: Called when the handler is successfully matched to a function device.
* @reset: Called when a reset of the touch sensor is detected. The routine
* should perform any out-of-the-ordinary reset handling that might be
* necessary. Restoring of touch sensor configuration registers should be
@@ -361,37 +352,31 @@ struct rmi_device;
*
* All callbacks are expected to return 0 on success, error code on failure.
*/
-struct rmi_function_handler {
+struct rmi_function_driver {
struct device_driver driver;

u8 func;
- int (*probe)(struct rmi_function *fn);
- void (*remove)(struct rmi_function *fn);
- int (*config)(struct rmi_function *fn);
- int (*reset)(struct rmi_function *fn);
- int (*attention)(struct rmi_function *fn, unsigned long *irq_bits);
+ int (*probe)(struct rmi_function_dev *fc);
+ int (*remove)(struct rmi_function_dev *fc);
+ int (*config)(struct rmi_function_dev *fc);
+ int (*reset)(struct rmi_function_dev *fc);
+ int (*attention)(struct rmi_function_dev *fc,
+ unsigned long *irq_bits);
#ifdef CONFIG_PM
- int (*suspend)(struct rmi_function *fn);
- int (*resume)(struct rmi_function *fn);
+ int (*suspend)(struct rmi_function_dev *fc);
+ int (*resume)(struct rmi_function_dev *fc);
#endif
};

-#define to_rmi_function_handler(d) \
- container_of(d, struct rmi_function_handler, driver)
-
-int __must_check __rmi_register_function_handler(struct rmi_function_handler *,
- struct module *, const char *);
-#define rmi_register_function_handler(handler) \
- __rmi_register_function_handler(handler, THIS_MODULE, KBUILD_MODNAME)
-
-void rmi_unregister_function_handler(struct rmi_function_handler *);
+#define to_rmi_function_driver(d) \
+ container_of(d, struct rmi_function_driver, driver);

/**
- * struct rmi_function - represents the implementation of an RMI4
- * function for a particular device (basically, a driver for that RMI4 function)
+ * struct rmi_function_dev - represents an a particular RMI4 function on a given
+ * RMI4 sensor.
*
* @fd: The function descriptor of the RMI function
- * @rmi_dev: Pointer to the RMI device associated with this function container
+ * @rmi_dev: Pointer to the RMI device associated with this function device
* @dev: The device associated with this particular function.
*
* @num_of_irqs: The number of irqs needed by this function
@@ -400,11 +385,12 @@ void rmi_unregister_function_handler(struct rmi_function_handler *);
* interrupt handling.
* @data: Private data pointer
*
- * @list: Used to create a list of function containers.
+ * @list: Used to create a list of function devices.
* @debugfs_root: used during debugging
*
*/
-struct rmi_function {
+struct rmi_function_dev {
+
struct rmi_function_descriptor fd;
struct rmi_device *rmi_dev;
struct device dev;
@@ -414,13 +400,19 @@ struct rmi_function {
void *data;
struct list_head list;

-#ifdef CONFIG_RMI4_DEBUG
struct dentry *debugfs_root;
-#endif
};

-#define to_rmi_function(d) \
- container_of(d, struct rmi_function, dev)
+#define to_rmi_function_dev(d) \
+ container_of(d, struct rmi_function_dev, dev);
+
+
+int __must_check __rmi_register_function_driver(struct rmi_function_driver *,
+ struct module *, const char *);
+#define rmi_register_function_driver(handler) \
+ __rmi_register_function_driver(handler, THIS_MODULE, KBUILD_MODNAME)
+
+void rmi_unregister_function_driver(struct rmi_function_driver *);

/**
* struct rmi_driver - driver for an RMI4 sensor on the RMI bus.
@@ -446,6 +438,7 @@ struct rmi_driver {
int (*store_productid)(struct rmi_device *rmi_dev);
int (*set_input_params)(struct rmi_device *rmi_dev,
struct input_dev *input);
+ int (*remove)(struct rmi_device *rmi_dev);
void *data;
};

@@ -528,9 +521,7 @@ struct rmi_device {
struct rmi_driver *driver;
struct rmi_phys_device *phys;

-#ifdef CONFIG_RMI4_DEBUG
struct dentry *debugfs_root;
-#endif
};

#define to_rmi_device(d) container_of(d, struct rmi_device, dev);
@@ -601,17 +592,17 @@ void rmi_unregister_phys_device(struct rmi_phys_device *phys);
int rmi_for_each_dev(void *data, int (*func)(struct device *dev, void *data));

/**
- * module_serio_driver() - Helper macro for registering a serio driver
- * @__serio_driver: serio_driver struct
+ * module_rmi_function_driver() - Helper macro for registering a function driver
+ * @__rmi_driver: rmi_function_driver struct
*
- * Helper macro for serio drivers which do not do anything special in
+ * Helper macro for RMI4 function drivers which do not do anything special in
* module init/exit. This eliminates a lot of boilerplate. Each module
* may only use this macro once, and calling it replaces module_init()
* and module_exit().
*/
-#define module_rmi_driver(__rmi_driver) \
+#define module_rmi_function_driver(__rmi_driver) \
module_driver(__rmi_driver, \
- rmi_register_function_handler, \
- rmi_unregister_function_handler)
+ rmi_register_function_driver, \
+ rmi_unregister_function_driver)

#endif

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