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Message-Id: <1355877996-1433-5-git-send-email-cheiny@synaptics.com>
Date: Tue, 18 Dec 2012 16:46:35 -0800
From: Christopher Heiny <cheiny@...aptics.com>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: Jean Delvare <khali@...ux-fr.org>,
Linux Kernel <linux-kernel@...r.kernel.org>,
Linux Input <linux-input@...r.kernel.org>,
Christopher Heiny <cheiny@...aptics.com>,
Allie Xiong <axiong@...aptics.com>,
Vivian Ly <vly@...aptics.com>,
Daniel Rosenberg <daniel.rosenberg@...aptics.com>,
Alexandra Chin <alexandra.chin@...synaptics.com>,
Joerie de Gram <j.de.gram@...il.com>,
Wolfram Sang <w.sang@...gutronix.de>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
Linus Walleij <linus.walleij@...ricsson.com>
Subject: [PATCH 04/05] input: F01 Device control
In addition to the changes described in 0/0 of this patchset, this patch
includes:
* changes to the handling of sysfs as requested in feedback to our
previous patch.
* device serialization updated to conform to the latest specification.
Signed-off-by: Christopher Heiny <cheiny@...aptics.com>
Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: Linus Walleij <linus.walleij@...ricsson.com>
Cc: Joeri de Gram <j.de.gram@...il.com>
Acked-by: Jean Delvare <khali@...ux-fr.org>
---
drivers/input/rmi4/rmi_f01.c | 733 ++++++++++++++++++++++++------------------
drivers/input/rmi4/rmi_f01.h | 29 +--
2 files changed, 425 insertions(+), 337 deletions(-)
diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c
index d7461d7..d33fa16 100644
--- a/drivers/input/rmi4/rmi_f01.c
+++ b/drivers/input/rmi4/rmi_f01.c
@@ -2,19 +2,9 @@
* 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.
*/
#include <linux/kernel.h>
@@ -26,6 +16,8 @@
#include "rmi_driver.h"
#include "rmi_f01.h"
+#define FUNCTION_NUMBER 0x01
+
/**
* @reset - set this bit to force a firmware reset of the sensor.
*/
@@ -109,11 +101,17 @@ struct f01_ds4_queries {
u8 reset_pin_number:4;
} __attribute__((__packed__));
+/*
+ *
+ * @serialization - 7 bytes of device serialization data. The meaning of
+ * these bytes varies from product to product, consult your product spec sheet.
+ */
struct f01_data {
struct f01_device_control device_control;
struct f01_basic_queries basic_queries;
struct f01_device_status device_status;
- u8 product_id[RMI_PRODUCT_ID_LENGTH + 1];
+ u8 serialization[F01_SERIALIZATION_SIZE];
+ u8 product_id[RMI_PRODUCT_ID_LENGTH+1];
u16 interrupt_enable_addr;
u16 doze_interval_addr;
@@ -136,19 +134,19 @@ struct f01_data {
#ifdef CONFIG_RMI4_DEBUG
struct f01_debugfs_data {
bool done;
- struct rmi_function *fn;
+ struct rmi_function_dev *fn_dev;
};
static int f01_debug_open(struct inode *inodep, struct file *filp)
{
struct f01_debugfs_data *data;
- struct rmi_function *fn = inodep->i_private;
+ struct rmi_function_dev *fn_dev = inodep->i_private;
data = kzalloc(sizeof(struct f01_debugfs_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
- data->fn = fn;
+ data->fn_dev = fn_dev;
filp->private_data = data;
return 0;
}
@@ -167,7 +165,7 @@ static ssize_t interrupt_enable_read(struct file *filp, char __user *buffer,
char local_buf[size];
char *current_buf = local_buf;
struct f01_debugfs_data *data = filp->private_data;
- struct f01_data *f01 = data->fn->data;
+ struct f01_data *f01 = data->fn_dev->data;
if (data->done)
return 0;
@@ -197,7 +195,7 @@ static ssize_t interrupt_enable_read(struct file *filp, char __user *buffer,
current_buf += len;
total_len += len;
} else {
- dev_err(&data->fn->dev, "Failed to build interrupt_enable buffer, code = %d.\n",
+ dev_err(&data->fn_dev->dev, "Failed to build interrupt_enable buffer, code = %d.\n",
len);
return snprintf(local_buf, size, "unknown\n");
}
@@ -206,7 +204,7 @@ static ssize_t interrupt_enable_read(struct file *filp, char __user *buffer,
if (len > 0)
total_len += len;
else
- dev_warn(&data->fn->dev, "%s: Failed to append carriage return.\n",
+ dev_warn(&data->fn_dev->dev, "%s: Failed to append carriage return.\n",
__func__);
if (copy_to_user(buffer, local_buf, total_len))
@@ -224,7 +222,7 @@ static ssize_t interrupt_enable_write(struct file *filp,
int irq_count = 0;
int irq_reg = 0;
struct f01_debugfs_data *data = filp->private_data;
- struct f01_data *f01 = data->fn->data;
+ struct f01_data *f01 = data->fn_dev->data;
retval = copy_from_user(buf, buffer, size);
if (retval)
@@ -244,7 +242,7 @@ static ssize_t interrupt_enable_write(struct file *filp,
result = sscanf(local_buf, "%u", &interrupt_enable);
if ((result != 1) ||
(interrupt_enable != 0 && interrupt_enable != 1)) {
- dev_err(&data->fn->dev, "Interrupt enable[%d] is not a valid value 0x%x.\n",
+ dev_err(&data->fn_dev->dev, "Interrupt enable[%d] is not a valid value 0x%x.\n",
i, interrupt_enable);
return -EINVAL;
}
@@ -259,17 +257,18 @@ static ssize_t interrupt_enable_write(struct file *filp,
/* Make sure the irq count matches */
if (irq_count != f01->irq_count) {
- dev_err(&data->fn->dev, "Interrupt enable count of %d doesn't match device count of %d.\n",
+ dev_err(&data->fn_dev->dev, "Interrupt enable count of %d doesn't match device count of %d.\n",
irq_count, f01->irq_count);
return -EINVAL;
}
/* write back to the control register */
- retval = rmi_write_block(data->fn->rmi_dev, f01->interrupt_enable_addr,
+ retval = rmi_write_block(data->fn_dev->rmi_dev,
+ f01->interrupt_enable_addr,
f01->device_control.interrupt_enable,
f01->num_of_irq_regs);
if (retval < 0) {
- dev_err(&data->fn->dev, "Could not write interrupt_enable mask to %#06x\n",
+ dev_err(&data->fn_dev->dev, "Could not write interrupt_enable mask to %#06x\n",
f01->interrupt_enable_addr);
return retval;
}
@@ -285,17 +284,18 @@ static const struct file_operations interrupt_enable_fops = {
.write = interrupt_enable_write,
};
-static int setup_debugfs(struct rmi_function *fn)
+static int setup_debugfs(struct rmi_function_dev *fn_dev)
{
- struct f01_data *data = fn->data;
+ struct f01_data *data = fn_dev->data;
- if (!fn->debugfs_root)
+ if (!fn_dev->debugfs_root)
return -ENODEV;
data->debugfs_interrupt_enable = debugfs_create_file("interrupt_enable",
- RMI_RW_ATTR, fn->debugfs_root, fn, &interrupt_enable_fops);
+ RMI_RW_ATTR, fn_dev->debugfs_root, fn_dev,
+ &interrupt_enable_fops);
if (!data->debugfs_interrupt_enable)
- dev_warn(&fn->dev,
+ dev_warn(&fn_dev->dev,
"Failed to create debugfs interrupt_enable.\n");
return 0;
@@ -306,26 +306,19 @@ static void teardown_debugfs(struct f01_data *f01)
if (f01->debugfs_interrupt_enable)
debugfs_remove(f01->debugfs_interrupt_enable);
}
-
#else
-
-static inline int setup_debugfs(struct rmi_function *fn)
-{
- return 0;
-}
-
-static inline void teardown_debugfs(struct f01_data *f01)
-{
-}
-
+#define setup_debugfs(fn_dev) 0
+#define teardown_debugfs(f01)
#endif
static ssize_t rmi_fn_01_productinfo_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE, "0x%02x 0x%02x\n",
data->basic_queries.productinfo_1,
@@ -336,8 +329,10 @@ static ssize_t rmi_fn_01_productid_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE, "%s\n", data->product_id);
}
@@ -346,34 +341,44 @@ static ssize_t rmi_fn_01_manufacturer_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE, "0x%02x\n",
data->basic_queries.manufacturer_id);
}
-static ssize_t rmi_fn_01_datecode_show(struct device *dev,
+static ssize_t rmi_fn_01_serialization_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ int i, n, count = 0;
+ char *local_buf = buf;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
- return snprintf(buf, PAGE_SIZE, "20%02u-%02u-%02u\n",
- data->basic_queries.year,
- data->basic_queries.month,
- data->basic_queries.day);
+ data = fn_dev->data;
+
+ for (i = 0; i < F01_SERIALIZATION_SIZE; i++) {
+ n = snprintf(local_buf, PAGE_SIZE - count, "%02X ",
+ data->serialization[i]);
+ count += n;
+ local_buf += n;
+ }
+ return count;
}
static ssize_t rmi_fn_01_reset_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct rmi_function *fn = to_rmi_function(dev);
+ struct rmi_function_dev *fn_dev = NULL;
unsigned int reset;
int retval = 0;
+ fn_dev = to_rmi_function_dev(dev);
if (sscanf(buf, "%u", &reset) != 1)
return -EINVAL;
@@ -386,8 +391,9 @@ static ssize_t rmi_fn_01_reset_store(struct device *dev,
struct f01_device_commands commands = {
.reset = 1
};
- retval = rmi_write_block(fn->rmi_dev, fn->fd.command_base_addr,
- &commands, sizeof(commands));
+ retval = rmi_write_block(fn_dev->rmi_dev,
+ fn_dev->fd.command_base_addr,
+ &commands, sizeof(commands));
if (retval < 0) {
dev_err(dev, "Failed to issue reset command, code = %d.",
retval);
@@ -402,8 +408,10 @@ static ssize_t rmi_fn_01_sleepmode_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE,
"%d\n", data->device_control.ctrl0.sleep_mode);
@@ -413,10 +421,12 @@ static ssize_t rmi_fn_01_sleepmode_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
unsigned long new_value;
int retval;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
retval = strict_strtoul(buf, 10, &new_value);
if (retval < 0 || !RMI_IS_VALID_SLEEPMODE(new_value)) {
@@ -426,7 +436,7 @@ static ssize_t rmi_fn_01_sleepmode_store(struct device *dev,
dev_dbg(dev, "Setting sleep mode to %ld.", new_value);
data->device_control.ctrl0.sleep_mode = new_value;
- retval = rmi_write_block(fn->rmi_dev, fn->fd.control_base_addr,
+ retval = rmi_write_block(fn_dev->rmi_dev, fn_dev->fd.control_base_addr,
&data->device_control.ctrl0,
sizeof(data->device_control.ctrl0));
if (retval >= 0)
@@ -439,21 +449,25 @@ static ssize_t rmi_fn_01_sleepmode_store(struct device *dev,
static ssize_t rmi_fn_01_nosleep_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE, "%d\n",
- data->device_control.ctrl0.nosleep);
+ data->device_control.ctrl0.nosleep);
}
static ssize_t rmi_fn_01_nosleep_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
unsigned long new_value;
int retval;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
retval = strict_strtoul(buf, 10, &new_value);
if (retval < 0 || new_value > 1) {
@@ -462,22 +476,23 @@ static ssize_t rmi_fn_01_nosleep_store(struct device *dev,
}
data->device_control.ctrl0.nosleep = new_value;
- retval = rmi_write_block(fn->rmi_dev, fn->fd.control_base_addr,
+ retval = rmi_write_block(fn_dev->rmi_dev, fn_dev->fd.control_base_addr,
&data->device_control.ctrl0,
sizeof(data->device_control.ctrl0));
if (retval >= 0)
retval = count;
else
dev_err(dev, "Failed to write nosleep bit.\n");
-
return retval;
}
static ssize_t rmi_fn_01_chargerinput_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE, "%d\n",
data->device_control.ctrl0.charger_input);
@@ -487,10 +502,12 @@ static ssize_t rmi_fn_01_chargerinput_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
unsigned long new_value;
int retval;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
retval = strict_strtoul(buf, 10, &new_value);
if (retval < 0 || new_value > 1) {
@@ -499,22 +516,23 @@ static ssize_t rmi_fn_01_chargerinput_store(struct device *dev,
}
data->device_control.ctrl0.charger_input = new_value;
- retval = rmi_write_block(fn->rmi_dev, fn->fd.control_base_addr,
+ retval = rmi_write_block(fn_dev->rmi_dev, fn_dev->fd.control_base_addr,
&data->device_control.ctrl0,
sizeof(data->device_control.ctrl0));
if (retval >= 0)
retval = count;
else
dev_err(dev, "Failed to write chargerinput bit.\n");
-
return retval;
}
static ssize_t rmi_fn_01_reportrate_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE, "%d\n",
data->device_control.ctrl0.report_rate);
@@ -524,10 +542,12 @@ static ssize_t rmi_fn_01_reportrate_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
unsigned long new_value;
int retval;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
retval = strict_strtoul(buf, 10, &new_value);
if (retval < 0 || new_value > 1) {
@@ -536,25 +556,26 @@ static ssize_t rmi_fn_01_reportrate_store(struct device *dev,
}
data->device_control.ctrl0.report_rate = new_value;
- retval = rmi_write_block(fn->rmi_dev, fn->fd.control_base_addr,
+ retval = rmi_write_block(fn_dev->rmi_dev, fn_dev->fd.control_base_addr,
&data->device_control.ctrl0,
sizeof(data->device_control.ctrl0));
if (retval >= 0)
retval = count;
else
dev_err(dev, "Failed to write reportrate bit.\n");
-
return retval;
}
static ssize_t rmi_fn_01_interrupt_enable_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct rmi_function_dev *fn_dev;
+ struct f01_data *data;
int i, len, total_len = 0;
char *current_buf = buf;
+ fn_dev = to_rmi_function_dev(dev);
+ data = fn_dev->data;
/* loop through each irq value and copy its
* string representation into buf */
for (i = 0; i < data->irq_count; i++) {
@@ -596,8 +617,10 @@ static ssize_t rmi_fn_01_interrupt_enable_show(struct device *dev,
static ssize_t rmi_fn_01_doze_interval_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE, "%d\n",
data->device_control.doze_interval);
@@ -608,11 +631,14 @@ static ssize_t rmi_fn_01_doze_interval_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
unsigned long new_value;
int retval;
- u16 ctrl_base_addr;
+ u16 ctrl_addr;
+
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
retval = strict_strtoul(buf, 10, &new_value);
if (retval < 0 || new_value > 255) {
@@ -621,19 +647,18 @@ static ssize_t rmi_fn_01_doze_interval_store(struct device *dev,
}
data->device_control.doze_interval = new_value;
- ctrl_base_addr = fn->fd.control_base_addr + sizeof(u8) +
+ ctrl_addr = fn_dev->fd.control_base_addr + sizeof(u8) +
(sizeof(u8)*(data->num_of_irq_regs));
dev_dbg(dev, "doze_interval store address %x, value %d",
- ctrl_base_addr, data->device_control.doze_interval);
+ ctrl_addr, data->device_control.doze_interval);
- retval = rmi_write_block(fn->rmi_dev, data->doze_interval_addr,
+ retval = rmi_write_block(fn_dev->rmi_dev, data->doze_interval_addr,
&data->device_control.doze_interval,
sizeof(u8));
if (retval >= 0)
retval = count;
else
dev_err(dev, "Failed to write doze interval.\n");
-
return retval;
}
@@ -642,8 +667,10 @@ static ssize_t rmi_fn_01_wakeup_threshold_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE, "%d\n",
data->device_control.wakeup_threshold);
@@ -653,11 +680,14 @@ static ssize_t rmi_fn_01_wakeup_threshold_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
unsigned long new_value;
int retval;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
+
retval = strict_strtoul(buf, 10, &new_value);
if (retval < 0 || new_value > 255) {
dev_err(dev, "%s: Invalid wakeup threshold %s.", __func__, buf);
@@ -665,7 +695,7 @@ static ssize_t rmi_fn_01_wakeup_threshold_store(struct device *dev,
}
data->device_control.doze_interval = new_value;
- retval = rmi_write_block(fn->rmi_dev, data->wakeup_threshold_addr,
+ retval = rmi_write_block(fn_dev->rmi_dev, data->wakeup_threshold_addr,
&data->device_control.wakeup_threshold,
sizeof(u8));
if (retval >= 0)
@@ -680,8 +710,10 @@ static ssize_t rmi_fn_01_doze_holdoff_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE, "%d\n",
data->device_control.doze_holdoff);
@@ -693,11 +725,14 @@ static ssize_t rmi_fn_01_doze_holdoff_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
unsigned long new_value;
int retval;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
+
retval = strict_strtoul(buf, 10, &new_value);
if (retval < 0 || new_value > 255) {
dev_err(dev, "%s: Invalid doze holdoff %s.", __func__, buf);
@@ -705,14 +740,13 @@ static ssize_t rmi_fn_01_doze_holdoff_store(struct device *dev,
}
data->device_control.doze_interval = new_value;
- retval = rmi_write_block(fn->rmi_dev, data->doze_holdoff_addr,
+ retval = rmi_write_block(fn_dev->rmi_dev, data->doze_holdoff_addr,
&data->device_control.doze_holdoff,
sizeof(u8));
if (retval >= 0)
retval = count;
else
dev_err(dev, "Failed to write doze holdoff.\n");
-
return retval;
}
@@ -720,8 +754,10 @@ static ssize_t rmi_fn_01_doze_holdoff_store(struct device *dev,
static ssize_t rmi_fn_01_configured_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE, "%d\n",
data->device_control.ctrl0.configured);
@@ -730,8 +766,10 @@ static ssize_t rmi_fn_01_configured_show(struct device *dev,
static ssize_t rmi_fn_01_unconfigured_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE, "%d\n",
data->device_status.unconfigured);
@@ -740,8 +778,10 @@ static ssize_t rmi_fn_01_unconfigured_show(struct device *dev,
static ssize_t rmi_fn_01_flashprog_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE, "%d\n",
data->device_status.flash_prog);
@@ -750,154 +790,147 @@ static ssize_t rmi_fn_01_flashprog_show(struct device *dev,
static ssize_t rmi_fn_01_statuscode_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = NULL;
+ struct rmi_function_dev *fn_dev = to_rmi_function_dev(dev);
+
+ data = fn_dev->data;
return snprintf(buf, PAGE_SIZE, "0x%02x\n",
data->device_status.status_code);
}
-#define RMI_F01_ATTR(_name) \
- DEVICE_ATTR(_name, RMI_RW_ATTR, \
- rmi_fn_01_##_name##_show, \
- rmi_fn_01_##_name##_store)
-
-#define RMI_F01_RO_ATTR(_name) \
- DEVICE_ATTR(_name, RMI_RO_ATTR, \
- rmi_fn_01_##_name##_show, \
- NULL)
-
-#define RMI_F01_WO_ATTR(_name) \
- DEVICE_ATTR(_name, RMI_RO_ATTR, \
- NULL, \
- rmi_fn_01_##_name##_store)
-
-
-static RMI_F01_RO_ATTR(productinfo);
-static RMI_F01_RO_ATTR(productid);
-static RMI_F01_RO_ATTR(manufacturer);
-static RMI_F01_RO_ATTR(datecode);
-
-/* Control register access */
-static RMI_F01_ATTR(sleepmode);
-static RMI_F01_ATTR(nosleep);
-static RMI_F01_ATTR(chargerinput);
-static RMI_F01_ATTR(reportrate);
-
-/*
- * We don't want arbitrary callers changing the interrupt enable mask,
+static struct device_attribute dev_attr_doze_interval =
+ __ATTR(doze_interval, RMI_RW_ATTR,
+ rmi_fn_01_doze_interval_show,
+ rmi_fn_01_doze_interval_store);
+static struct device_attribute dev_attr_wakeup_threshold =
+ __ATTR(wakeup_threshold, RMI_RW_ATTR,
+ rmi_fn_01_wakeup_threshold_show,
+ rmi_fn_01_wakeup_threshold_store);
+static struct device_attribute dev_attr_doze_holdoff =
+ __ATTR(doze_holdoff, RMI_RW_ATTR,
+ rmi_fn_01_doze_holdoff_show,
+ rmi_fn_01_doze_holdoff_store);
+
+static struct device_attribute dev_attr_productinfo =
+ __ATTR(productinfo, RMI_RO_ATTR,
+ rmi_fn_01_productinfo_show, NULL);
+static struct device_attribute dev_attr_productid =
+ __ATTR(productid, RMI_RO_ATTR,
+ rmi_fn_01_productid_show, NULL);
+static struct device_attribute dev_attr_manufacturer =
+ __ATTR(manufacturer, RMI_RO_ATTR,
+ rmi_fn_01_manufacturer_show, NULL);
+
+/* control register access */
+static struct device_attribute dev_attr_sleepmode =
+ __ATTR(sleepmode, RMI_RW_ATTR,
+ rmi_fn_01_sleepmode_show, rmi_fn_01_sleepmode_store);
+static struct device_attribute dev_attr_nosleep =
+ __ATTR(nosleep, RMI_RW_ATTR,
+ rmi_fn_01_nosleep_show, rmi_fn_01_nosleep_store);
+static struct device_attribute dev_attr_chargerinput =
+ __ATTR(chargerinput, RMI_RW_ATTR,
+ rmi_fn_01_chargerinput_show, rmi_fn_01_chargerinput_store);
+static struct device_attribute dev_attr_reportrate =
+ __ATTR(reportrate, RMI_RW_ATTR,
+ rmi_fn_01_reportrate_show, rmi_fn_01_reportrate_store);
+/* We don't want arbitrary callers changing the interrupt enable mask,
* so it's read only.
*/
-static RMI_F01_RO_ATTR(interrupt_enable);
-static RMI_F01_ATTR(doze_interval);
-static RMI_F01_ATTR(wakeup_threshold);
-static RMI_F01_ATTR(doze_holdoff);
+static struct device_attribute dev_attr_interrupt_enable =
+ __ATTR(interrupt_enable, RMI_RO_ATTR,
+ rmi_fn_01_interrupt_enable_show, NULL);
-/*
- * We make report rate RO, since the driver uses that to look for
+/* We make configured RO, since the driver uses that to look for
* resets. We don't want someone faking us out by changing that
* bit.
*/
-static RMI_F01_RO_ATTR(configured);
+static struct device_attribute dev_attr_configured =
+ __ATTR(configured, RMI_RO_ATTR,
+ rmi_fn_01_configured_show, NULL);
/* Command register access. */
-static RMI_F01_WO_ATTR(reset);
+static struct device_attribute dev_attr_reset =
+ __ATTR(reset, RMI_WO_ATTR,
+ NULL, rmi_fn_01_reset_store);
/* Status register access. */
-static RMI_F01_RO_ATTR(unconfigured);
-static RMI_F01_RO_ATTR(flashprog);
-static RMI_F01_RO_ATTR(statuscode);
-
-static struct attribute *rmi_fn_01_attrs[] = {
+static struct device_attribute dev_attr_unconfigured =
+ __ATTR(unconfigured, RMI_RO_ATTR,
+ rmi_fn_01_unconfigured_show, NULL);
+static struct device_attribute dev_attr_flashprog =
+ __ATTR(flashprog, RMI_RO_ATTR,
+ rmi_fn_01_flashprog_show, NULL);
+static struct device_attribute dev_attr_statuscode =
+ __ATTR(statuscode, RMI_RO_ATTR,
+ rmi_fn_01_statuscode_show, NULL);
+static struct device_attribute dev_attr_serialization =
+ __ATTR(serialization, RMI_RO_ATTR,
+ rmi_fn_01_serialization_show, NULL);
+
+static struct attribute *attrs[] = {
&dev_attr_productinfo.attr,
&dev_attr_productid.attr,
&dev_attr_manufacturer.attr,
- &dev_attr_datecode.attr,
&dev_attr_sleepmode.attr,
&dev_attr_nosleep.attr,
&dev_attr_chargerinput.attr,
&dev_attr_reportrate.attr,
&dev_attr_interrupt_enable.attr,
- &dev_attr_doze_interval.attr,
- &dev_attr_wakeup_threshold.attr,
- &dev_attr_doze_holdoff.attr,
&dev_attr_configured.attr,
&dev_attr_reset.attr,
&dev_attr_unconfigured.attr,
&dev_attr_flashprog.attr,
&dev_attr_statuscode.attr,
+ &dev_attr_serialization.attr,
NULL
};
-static umode_t rmi_fn_01_attr_visible(struct kobject *kobj,
- struct attribute *attr, int n)
-{
- struct device *dev = kobj_to_dev(kobj);
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
- umode_t mode = attr->mode;
-
- if (attr == &dev_attr_doze_interval.attr) {
- if (!data->basic_queries.has_lts)
- mode = 0;
- } else if (attr == &dev_attr_wakeup_threshold.attr) {
- if (!data->basic_queries.has_adjustable_doze)
- mode = 0;
- } else if (attr == &dev_attr_doze_holdoff.attr) {
- if (!data->basic_queries.has_adjustable_doze_holdoff)
- mode = 0;
- }
-
- return mode;
-}
-
-static struct attribute_group rmi_fn_01_attr_group = {
- .is_visible = rmi_fn_01_attr_visible,
- .attrs = rmi_fn_01_attrs,
-};
+static struct attribute_group fn01_attrs = GROUP(attrs);
-static int rmi_f01_alloc_memory(struct rmi_function *fn,
- int num_of_irq_regs)
+static int rmi_f01_alloc_memory(struct rmi_function_dev *fn_dev,
+ int num_of_irq_regs)
{
struct f01_data *f01;
- f01 = devm_kzalloc(&fn->dev, sizeof(struct f01_data), GFP_KERNEL);
+ f01 = devm_kzalloc(&fn_dev->dev, sizeof(struct f01_data), GFP_KERNEL);
if (!f01) {
- dev_err(&fn->dev, "Failed to allocate fn_01_data.\n");
+ dev_err(&fn_dev->dev, "Failed to allocate fn_01_data.\n");
return -ENOMEM;
}
- f01->device_control.interrupt_enable = devm_kzalloc(&fn->dev,
+ f01->device_control.interrupt_enable = devm_kzalloc(&fn_dev->dev,
sizeof(u8)*(num_of_irq_regs),
GFP_KERNEL);
if (!f01->device_control.interrupt_enable) {
- dev_err(&fn->dev, "Failed to allocate interrupt enable.\n");
+ dev_err(&fn_dev->dev, "Failed to allocate interrupt enable.\n");
return -ENOMEM;
}
- fn->data = f01;
+ fn_dev->data = f01;
return 0;
}
-static int rmi_f01_initialize(struct rmi_function *fn)
+static int rmi_f01_initialize(struct rmi_function_dev *fn_dev)
{
u8 temp;
- int error;
- u16 ctrl_base_addr;
- struct rmi_device *rmi_dev = fn->rmi_dev;
+ int retval;
+ u16 query_addr = fn_dev->fd.query_base_addr;
+ u16 ctrl_addr = fn_dev->fd.control_base_addr;
+ struct rmi_device *rmi_dev = fn_dev->rmi_dev;
struct rmi_driver_data *driver_data = dev_get_drvdata(&rmi_dev->dev);
- struct f01_data *data = fn->data;
+ struct f01_data *data = fn_dev->data;
struct rmi_device_platform_data *pdata = to_rmi_platform_data(rmi_dev);
/* Set the configured bit and (optionally) other important stuff
* in the device control register. */
- ctrl_base_addr = fn->fd.control_base_addr;
- error = rmi_read_block(rmi_dev, fn->fd.control_base_addr,
+ retval = rmi_read_block(rmi_dev, fn_dev->fd.control_base_addr,
&data->device_control.ctrl0,
sizeof(data->device_control.ctrl0));
- if (error < 0) {
- dev_err(&fn->dev, "Failed to read F01 control.\n");
- return error;
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to read F01 control.\n");
+ return retval;
}
switch (pdata->power_management.nosleep) {
case RMI_F01_NOSLEEP_DEFAULT:
@@ -914,242 +947,295 @@ static int rmi_f01_initialize(struct rmi_function *fn)
* is certain to function.
*/
if (data->device_control.ctrl0.sleep_mode != RMI_SLEEP_MODE_NORMAL) {
- dev_warn(&fn->dev,
+ dev_warn(&fn_dev->dev,
"WARNING: Non-zero sleep mode found. Clearing...\n");
data->device_control.ctrl0.sleep_mode = RMI_SLEEP_MODE_NORMAL;
}
data->device_control.ctrl0.configured = 1;
- error = rmi_write_block(rmi_dev, fn->fd.control_base_addr,
+ retval = rmi_write_block(rmi_dev, fn_dev->fd.control_base_addr,
&data->device_control.ctrl0,
sizeof(data->device_control.ctrl0));
- if (error < 0) {
- dev_err(&fn->dev, "Failed to write F01 control.\n");
- return error;
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to write F01 control.\n");
+ return retval;
}
data->irq_count = driver_data->irq_count;
data->num_of_irq_regs = driver_data->num_of_irq_regs;
- ctrl_base_addr += sizeof(struct f01_device_control_0);
+ ctrl_addr += sizeof(struct f01_device_control_0);
- data->interrupt_enable_addr = ctrl_base_addr;
- error = rmi_read_block(rmi_dev, ctrl_base_addr,
+ data->interrupt_enable_addr = ctrl_addr;
+ retval = rmi_read_block(rmi_dev, ctrl_addr,
data->device_control.interrupt_enable,
sizeof(u8)*(data->num_of_irq_regs));
- if (error < 0) {
- dev_err(&fn->dev, "Failed to read F01 control interrupt enable register.\n");
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to read F01 control interrupt enable register.\n");
goto error_exit;
}
- ctrl_base_addr += data->num_of_irq_regs;
+ ctrl_addr += data->num_of_irq_regs;
/* dummy read in order to clear irqs */
- error = rmi_read(rmi_dev, fn->fd.data_base_addr + 1, &temp);
- if (error < 0) {
- dev_err(&fn->dev, "Failed to read Interrupt Status.\n");
- return error;
+ retval = rmi_read(rmi_dev, fn_dev->fd.data_base_addr + 1, &temp);
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to read Interrupt Status.\n");
+ return retval;
}
- error = rmi_read_block(rmi_dev, fn->fd.query_base_addr,
- &data->basic_queries,
+ /* read queries */
+ retval = rmi_read_block(rmi_dev, query_addr, &data->basic_queries,
sizeof(data->basic_queries));
- if (error < 0) {
- dev_err(&fn->dev, "Failed to read device query registers.\n");
- return error;
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to read device query registers.\n");
+ return retval;
}
+ query_addr += sizeof(data->basic_queries);
- error = rmi_read_block(rmi_dev,
- fn->fd.query_base_addr + sizeof(data->basic_queries),
- data->product_id, RMI_PRODUCT_ID_LENGTH);
- if (error < 0) {
- dev_err(&fn->dev, "Failed to read product ID.\n");
- return error;
+ retval = rmi_read_block(rmi_dev, query_addr, data->serialization,
+ F01_SERIALIZATION_SIZE);
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to read device serialization.\n");
+ return retval;
+ }
+ query_addr += F01_SERIALIZATION_SIZE;
+
+ retval = rmi_read_block(rmi_dev, query_addr, data->product_id,
+ RMI_PRODUCT_ID_LENGTH);
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to read product ID.\n");
+ return retval;
}
data->product_id[RMI_PRODUCT_ID_LENGTH] = '\0';
- dev_info(&fn->dev, "found RMI device, manufacturer: %s, product: %s\n",
+ dev_info(&fn_dev->dev, "found RMI device, manufacturer: %s, product: %s\n",
data->basic_queries.manufacturer_id == 1 ?
"synaptics" : "unknown",
data->product_id);
/* read control register */
if (data->basic_queries.has_adjustable_doze) {
- data->doze_interval_addr = ctrl_base_addr;
- ctrl_base_addr++;
+ data->doze_interval_addr = ctrl_addr;
+ ctrl_addr++;
if (pdata->power_management.doze_interval) {
data->device_control.doze_interval =
pdata->power_management.doze_interval;
- error = rmi_write(rmi_dev, data->doze_interval_addr,
+ retval = rmi_write(rmi_dev, data->doze_interval_addr,
data->device_control.doze_interval);
- if (error < 0) {
- dev_err(&fn->dev, "Failed to configure F01 doze interval register.\n");
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to configure F01 doze interval register.\n");
goto error_exit;
}
} else {
- error = rmi_read(rmi_dev, data->doze_interval_addr,
+ retval = rmi_read(rmi_dev, data->doze_interval_addr,
&data->device_control.doze_interval);
- if (error < 0) {
- dev_err(&fn->dev, "Failed to read F01 doze interval register.\n");
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to read F01 doze interval register.\n");
goto error_exit;
}
}
- data->wakeup_threshold_addr = ctrl_base_addr;
- ctrl_base_addr++;
+ data->wakeup_threshold_addr = ctrl_addr;
+ ctrl_addr++;
if (pdata->power_management.wakeup_threshold) {
data->device_control.wakeup_threshold =
pdata->power_management.wakeup_threshold;
- error = rmi_write(rmi_dev, data->wakeup_threshold_addr,
+ retval = rmi_write(rmi_dev, data->wakeup_threshold_addr,
data->device_control.wakeup_threshold);
- if (error < 0) {
- dev_err(&fn->dev, "Failed to configure F01 wakeup threshold register.\n");
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to configure F01 wakeup threshold register.\n");
goto error_exit;
}
} else {
- error = rmi_read(rmi_dev, data->wakeup_threshold_addr,
+ retval = rmi_read(rmi_dev, data->wakeup_threshold_addr,
&data->device_control.wakeup_threshold);
- if (error < 0) {
- dev_err(&fn->dev, "Failed to read F01 wakeup threshold register.\n");
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to read F01 wakeup threshold register.\n");
goto error_exit;
}
}
}
if (data->basic_queries.has_adjustable_doze_holdoff) {
- data->doze_holdoff_addr = ctrl_base_addr;
- ctrl_base_addr++;
+ data->doze_holdoff_addr = ctrl_addr;
+ ctrl_addr++;
if (pdata->power_management.doze_holdoff) {
data->device_control.doze_holdoff =
pdata->power_management.doze_holdoff;
- error = rmi_write(rmi_dev, data->doze_holdoff_addr,
+ retval = rmi_write(rmi_dev, data->doze_holdoff_addr,
data->device_control.doze_holdoff);
- if (error < 0) {
- dev_err(&fn->dev, "Failed to configure F01 doze holdoff register.\n");
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to configure F01 doze holdoff register.\n");
goto error_exit;
}
} else {
- error = rmi_read(rmi_dev, data->doze_holdoff_addr,
+ retval = rmi_read(rmi_dev, data->doze_holdoff_addr,
&data->device_control.doze_holdoff);
- if (error < 0) {
- dev_err(&fn->dev, "Failed to read F01 doze holdoff register.\n");
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to read F01 doze holdoff register.\n");
goto error_exit;
}
}
}
- error = rmi_read_block(rmi_dev, fn->fd.data_base_addr,
+ retval = rmi_read_block(rmi_dev, fn_dev->fd.data_base_addr,
&data->device_status, sizeof(data->device_status));
- if (error < 0) {
- dev_err(&fn->dev, "Failed to read device status.\n");
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to read device status.\n");
goto error_exit;
}
if (data->device_status.unconfigured) {
- dev_err(&fn->dev, "Device reset during configuration process, status: %#02x!\n",
+ dev_err(&fn_dev->dev, "Device reset during configuration process, status: %#02x!\n",
data->device_status.status_code);
- error = -EINVAL;
+ retval = -EINVAL;
goto error_exit;
}
- error = setup_debugfs(fn);
- if (error)
- dev_warn(&fn->dev, "Failed to setup debugfs, error: %d.\n",
- error);
+ if (IS_ENABLED(CONFIG_RMI4_DEBUG)) {
+ retval = setup_debugfs(fn_dev);
+ if (retval < 0)
+ dev_warn(&fn_dev->dev, "Failed to setup debugfs. Code: %d.\n",
+ retval);
+ }
- return 0;
+ return retval;
error_exit:
kfree(data);
- return error;
+ return retval;
}
-static int rmi_f01_config(struct rmi_function *fn)
+static int rmi_f01_create_sysfs(struct rmi_function_dev *fn_dev)
{
- struct f01_data *data = fn->data;
+ int retval = 0;
+ struct f01_data *data = fn_dev->data;
+
+ dev_dbg(&fn_dev->dev, "Creating sysfs files.");
+ if (sysfs_create_group(&fn_dev->dev.kobj, &fn01_attrs) < 0) {
+ dev_err(&fn_dev->dev, "Failed to create query sysfs files.");
+ return -ENODEV;
+ }
+ if (data->basic_queries.has_lts) {
+ retval = sysfs_create_file(&fn_dev->dev.kobj,
+ &dev_attr_doze_interval.attr);
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to create sysfs file for doze internal.");
+ goto err_remove_sysfs_group;
+ }
+ }
+ if (data->basic_queries.has_adjustable_doze) {
+ retval = sysfs_create_file(&fn_dev->dev.kobj,
+ &dev_attr_wakeup_threshold.attr);
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to create sysfs file for wakeup threshold.");
+ goto err_remove_sysfs_doze_interval;
+ }
+ }
+ if (data->basic_queries.has_adjustable_doze_holdoff) {
+ retval = sysfs_create_file(&fn_dev->dev.kobj,
+ &dev_attr_doze_holdoff.attr);
+ if (retval < 0) {
+ dev_err(&fn_dev->dev, "Failed to create sysfs file for doze holdoff.");
+ goto err_remove_sysfs_wakeup_threshold;
+ }
+ }
+ return 0;
+
+err_remove_sysfs_wakeup_threshold:
+ sysfs_remove_file(&fn_dev->dev.kobj, &dev_attr_wakeup_threshold.attr);
+
+err_remove_sysfs_doze_interval:
+ sysfs_remove_file(&fn_dev->dev.kobj, &dev_attr_doze_interval.attr);
+
+err_remove_sysfs_group:
+ sysfs_remove_group(&fn_dev->dev.kobj, &fn01_attrs);
+ return retval;
+}
+
+static int rmi_f01_config(struct rmi_function_dev *fn_dev)
+{
+ struct f01_data *data = fn_dev->data;
int retval;
- retval = rmi_write_block(fn->rmi_dev, fn->fd.control_base_addr,
+ retval = rmi_write_block(fn_dev->rmi_dev, fn_dev->fd.control_base_addr,
&data->device_control.ctrl0,
sizeof(data->device_control.ctrl0));
if (retval < 0) {
- dev_err(&fn->dev, "Failed to write device_control.reg.\n");
+ dev_err(&fn_dev->dev, "Failed to write device_control.reg.\n");
return retval;
}
- retval = rmi_write_block(fn->rmi_dev, data->interrupt_enable_addr,
+ retval = rmi_write_block(fn_dev->rmi_dev, data->interrupt_enable_addr,
data->device_control.interrupt_enable,
sizeof(u8)*(data->num_of_irq_regs));
if (retval < 0) {
- dev_err(&fn->dev, "Failed to write interrupt enable.\n");
+ dev_err(&fn_dev->dev, "Failed to write interrupt enable.\n");
return retval;
}
if (data->basic_queries.has_lts) {
- retval = rmi_write_block(fn->rmi_dev, data->doze_interval_addr,
- &data->device_control.doze_interval,
- sizeof(u8));
+ retval = rmi_write_block(fn_dev->rmi_dev,
+ data->doze_interval_addr,
+ &data->device_control.doze_interval,
+ sizeof(u8));
if (retval < 0) {
- dev_err(&fn->dev, "Failed to write doze interval.\n");
+ dev_err(&fn_dev->dev, "Failed to write doze interval.\n");
return retval;
}
}
if (data->basic_queries.has_adjustable_doze) {
retval = rmi_write_block(
- fn->rmi_dev, data->wakeup_threshold_addr,
+ fn_dev->rmi_dev, data->wakeup_threshold_addr,
&data->device_control.wakeup_threshold,
sizeof(u8));
if (retval < 0) {
- dev_err(&fn->dev, "Failed to write wakeup threshold.\n");
+ dev_err(&fn_dev->dev, "Failed to write wakeup threshold.\n");
return retval;
}
}
if (data->basic_queries.has_adjustable_doze_holdoff) {
- retval = rmi_write_block(fn->rmi_dev, data->doze_holdoff_addr,
- &data->device_control.doze_holdoff,
- sizeof(u8));
+ retval = rmi_write_block(fn_dev->rmi_dev,
+ data->doze_holdoff_addr,
+ &data->device_control.doze_holdoff,
+ sizeof(u8));
if (retval < 0) {
- dev_err(&fn->dev, "Failed to write doze holdoff.\n");
+ dev_err(&fn_dev->dev, "Failed to write doze holdoff.\n");
return retval;
}
}
return 0;
}
-static int rmi_f01_probe(struct rmi_function *fn)
+static int rmi_f01_probe(struct rmi_function_dev *fn_dev)
{
struct rmi_driver_data *driver_data =
- dev_get_drvdata(&fn->rmi_dev->dev);
+ dev_get_drvdata(&fn_dev->rmi_dev->dev);
int error;
- error = rmi_f01_alloc_memory(fn, driver_data->num_of_irq_regs);
- if (error)
+ error = rmi_f01_alloc_memory(fn_dev, driver_data->num_of_irq_regs);
+ if (error < 0)
return error;
- error = rmi_f01_initialize(fn);
- if (error)
+ error = rmi_f01_initialize(fn_dev);
+ if (error < 0)
return error;
- error = sysfs_create_group(&fn->dev.kobj, &rmi_fn_01_attr_group);
- if (error)
+ error = rmi_f01_create_sysfs(fn_dev);
+ if (error < 0)
return error;
return 0;
}
-static void rmi_f01_remove(struct rmi_function *fn)
-{
- teardown_debugfs(fn->data);
- sysfs_remove_group(&fn->dev.kobj, &rmi_fn_01_attr_group);
-}
-
#ifdef CONFIG_PM
-static int rmi_f01_suspend(struct rmi_function *fn)
+static int rmi_f01_suspend(struct rmi_function_dev *fn_dev)
{
- struct rmi_device *rmi_dev = fn->rmi_dev;
- struct f01_data *data = fn->data;
+ struct rmi_device *rmi_dev = fn_dev->rmi_dev;
+ struct f01_data *data = fn_dev->data;
int retval = 0;
if (data->suspended)
@@ -1160,11 +1246,11 @@ static int rmi_f01_suspend(struct rmi_function *fn)
data->device_control.ctrl0.sleep_mode = RMI_SLEEP_MODE_SENSOR_SLEEP;
retval = rmi_write_block(rmi_dev,
- fn->fd.control_base_addr,
+ fn_dev->fd.control_base_addr,
&data->device_control.ctrl0,
sizeof(data->device_control.ctrl0));
if (retval < 0) {
- dev_err(&fn->dev, "Failed to write sleep mode. Code: %d.\n",
+ dev_err(&fn_dev->dev, "Failed to write sleep mode. Code: %d.\n",
retval);
data->device_control.ctrl0.nosleep = data->old_nosleep;
data->device_control.ctrl0.sleep_mode = RMI_SLEEP_MODE_NORMAL;
@@ -1176,10 +1262,10 @@ static int rmi_f01_suspend(struct rmi_function *fn)
return retval;
}
-static int rmi_f01_resume(struct rmi_function *fn)
+static int rmi_f01_resume(struct rmi_function_dev *fn_dev)
{
- struct rmi_device *rmi_dev = fn->rmi_dev;
- struct f01_data *data = fn->data;
+ struct rmi_device *rmi_dev = fn_dev->rmi_dev;
+ struct f01_data *data = fn_dev->data;
int retval = 0;
if (!data->suspended)
@@ -1188,11 +1274,11 @@ static int rmi_f01_resume(struct rmi_function *fn)
data->device_control.ctrl0.nosleep = data->old_nosleep;
data->device_control.ctrl0.sleep_mode = RMI_SLEEP_MODE_NORMAL;
- retval = rmi_write_block(rmi_dev, fn->fd.control_base_addr,
+ retval = rmi_write_block(rmi_dev, fn_dev->fd.control_base_addr,
&data->device_control.ctrl0,
sizeof(data->device_control.ctrl0));
if (retval < 0)
- dev_err(&fn->dev,
+ dev_err(&fn_dev->dev,
"Failed to restore normal operation. Code: %d.\n",
retval);
else {
@@ -1204,22 +1290,46 @@ static int rmi_f01_resume(struct rmi_function *fn)
}
#endif /* CONFIG_PM */
-static int rmi_f01_attention(struct rmi_function *fn,
- unsigned long *irq_bits)
+static int rmi_f01_remove(struct rmi_function_dev *fn_dev)
+{
+ struct f01_data *data = fn_dev->data;
+
+ if (IS_ENABLED(CONFIG_RMI4_DEBUG))
+ teardown_debugfs(fn_dev->data);
+
+ sysfs_remove_group(&fn_dev->dev.kobj, &fn01_attrs);
+
+ if (data->basic_queries.has_lts)
+ sysfs_remove_file(&fn_dev->dev.kobj,
+ &dev_attr_doze_interval.attr);
+
+ if (data->basic_queries.has_adjustable_doze)
+ sysfs_remove_file(&fn_dev->dev.kobj,
+ &dev_attr_wakeup_threshold.attr);
+
+ if (data->basic_queries.has_adjustable_doze_holdoff)
+ sysfs_remove_file(&fn_dev->dev.kobj,
+ &dev_attr_doze_holdoff.attr);
+
+ return 0;
+}
+
+static int rmi_f01_attention(struct rmi_function_dev *fn_dev,
+ unsigned long *irq_bits)
{
- struct rmi_device *rmi_dev = fn->rmi_dev;
- struct f01_data *data = fn->data;
+ struct rmi_device *rmi_dev = fn_dev->rmi_dev;
+ struct f01_data *data = fn_dev->data;
int retval;
- retval = rmi_read_block(rmi_dev, fn->fd.data_base_addr,
+ retval = rmi_read_block(rmi_dev, fn_dev->fd.data_base_addr,
&data->device_status, sizeof(data->device_status));
if (retval < 0) {
- dev_err(&fn->dev, "Failed to read device status, code: %d.\n",
+ dev_err(&fn_dev->dev, "Failed to read device status, code: %d.\n",
retval);
return retval;
}
if (data->device_status.unconfigured) {
- dev_warn(&fn->dev, "Device reset detected.\n");
+ dev_warn(&fn_dev->dev, "Device reset detected.\n");
retval = rmi_dev->driver->reset_handler(rmi_dev);
if (retval < 0)
return retval;
@@ -1227,15 +1337,16 @@ static int rmi_f01_attention(struct rmi_function *fn,
return 0;
}
-struct rmi_function_handler rmi_f01_handler = {
+struct rmi_function_driver rmi_f01_driver = {
.driver = {
.name = "rmi_f01",
},
- .func = 0x01,
+ .func = FUNCTION_NUMBER,
.probe = rmi_f01_probe,
.remove = rmi_f01_remove,
.config = rmi_f01_config,
.attention = rmi_f01_attention,
+
#ifdef CONFIG_PM
.suspend = rmi_f01_suspend,
.resume = rmi_f01_resume,
diff --git a/drivers/input/rmi4/rmi_f01.h b/drivers/input/rmi4/rmi_f01.h
index 8092b7f..511b389 100644
--- a/drivers/input/rmi4/rmi_f01.h
+++ b/drivers/input/rmi4/rmi_f01.h
@@ -30,6 +30,8 @@
#define F01_RESET_MASK 0x01
+#define F01_SERIALIZATION_SIZE 7
+
/**
* @manufacturer_id - reports the identity of the manufacturer of the RMI
* device. Synaptics RMI devices report a Manufacturer ID of $01.
@@ -49,19 +51,6 @@
* product spec sheet.
* @productinfo_2 - meaning varies from product to product, consult your
* product spec sheet.
- * @year - year of manufacture MOD 2000.
- * @month - month of manufacture
- * @day - day of manufacture
- * @wafer_id1_lsb - The wafer-lot ID registers record the lot number of the
- * wafer from which the module’s touch controller was produced.
- * @wafer_id1_msb - The wafer-lot ID registers record the lot number of the
- * wafer from which the module’s touch controller was produced.
- * @wafer_id2_lsb - The wafer-lot ID registers record the lot number of the
- * wafer from which the module’s touch controller was produced.
- * @wafer_id2_msb - The wafer-lot ID registers record the lot number of the
- * wafer from which the module’s touch controller was produced.
- * @wafer_id3_lsb - The wafer-lot ID registers record the lot number of the
- * wafer from which the module’s touch controller was produced.
*/
struct f01_basic_queries {
u8 manufacturer_id:8;
@@ -77,21 +66,9 @@ struct f01_basic_queries {
u8 productinfo_1:7;
u8 q2_bit_7:1;
-
u8 productinfo_2:7;
u8 q3_bit_7:1;
- u8 year:5;
- u8 month:4;
- u8 day:5;
- u8 cp1:1;
- u8 cp2:1;
-
- u8 wafer_id1_lsb:8;
- u8 wafer_id1_msb:8;
- u8 wafer_id2_lsb:8;
- u8 wafer_id2_msb:8;
- u8 wafer_id3_lsb:8;
} __attribute__((__packed__));
/** The status code field reports the most recent device status event.
@@ -120,7 +97,7 @@ enum rmi_device_status {
* @unconfigured - the device has lost its configuration for some reason.
*/
struct f01_device_status {
- u8 status_code:4;
+ enum rmi_device_status status_code:4;
u8 reserved:2;
u8 flash_prog:1;
u8 unconfigured:1;
--
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