[PATCH 04/05] input: RMI4 F01 device control
From: Christopher Heiny
Date: Fri Jan 18 2013 - 20:13:55 EST
In addition to the changes described in 0/0 of this patchset, this patch
includes device serialization updated to conform to the latest RMI4
specification.
Signed-off-by: Christopher Heiny <cheiny@xxxxxxxxxxxxx>
Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxxxxxx>
Cc: Joeri de Gram <j.de.gram@xxxxxxxxx>
Acked-by: Jean Delvare <khali@xxxxxxxxxxxx>
---
drivers/input/rmi4/rmi_f01.c | 1113 ++++++------------------------------------
drivers/input/rmi4/rmi_f01.h | 138 +++++-
2 files changed, 250 insertions(+), 1001 deletions(-)
diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c
index d7461d7..67afdeb 100644
--- a/drivers/input/rmi4/rmi_f01.c
+++ b/drivers/input/rmi4/rmi_f01.c
@@ -2,902 +2,64 @@
* 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>
-#include <linux/debugfs.h>
#include <linux/kconfig.h>
#include <linux/rmi.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
+
#include "rmi_driver.h"
#include "rmi_f01.h"
-/**
- * @reset - set this bit to force a firmware reset of the sensor.
- */
-struct f01_device_commands {
- u8 reset:1;
- u8 reserved:7;
-};
-
-/**
- * @ctrl0 - see documentation in rmi_f01.h.
- * @interrupt_enable - A mask of per-function interrupts on the touch sensor.
- * @doze_interval - controls the interval between checks for finger presence
- * when the touch sensor is in doze mode, in units of 10ms.
- * @wakeup_threshold - controls the capacitance threshold at which the touch
- * sensor will decide to wake up from that low power state.
- * @doze_holdoff - controls how long the touch sensor waits after the last
- * finger lifts before entering the doze state, in units of 100ms.
- */
-struct f01_device_control {
- struct f01_device_control_0 ctrl0;
- u8 *interrupt_enable;
- u8 doze_interval;
- u8 wakeup_threshold;
- u8 doze_holdoff;
-};
-
-/**
- * @has_ds4_queries - if true, the query registers relating to Design Studio 4
- * features are present.
- * @has_multi_phy - if true, multiple physical communications interfaces are
- * supported.
- * @has_guest - if true, a "guest" device is supported.
- */
-struct f01_query_42 {
- u8 has_ds4_queries:1;
- u8 has_multi_phy:1;
- u8 has_guest:1;
- u8 reserved:5;
-} __attribute__((__packed__));
-
-/**
- * @length - the length of the remaining Query43.* register block, not
- * including the first register.
- * @has_package_id_query - the package ID query data will be accessible from
- * inside the ProductID query registers.
- * @has_packrat_query - the packrat query data will be accessible from inside
- * the ProductID query registers.
- * @has_reset_query - the reset pin related registers are valid.
- * @has_maskrev_query - the silicon mask revision number will be reported.
- * @has_i2c_control - the register F01_RMI_Ctrl6 will exist.
- * @has_spi_control - the register F01_RMI_Ctrl7 will exist.
- * @has_attn_control - the register F01_RMI_Ctrl8 will exist.
- * @reset_enabled - the hardware reset pin functionality has been enabled
- * for this device.
- * @reset_polarity - If this bit reports as â0â, it means that the reset state
- * is active low. A â1â means that the reset state is active high.
- * @pullup_enabled - If set, it indicates that a built-in weak pull up has
- * been enabled on the Reset pin; clear means that no pull-up is present.
- * @reset_pin_number - This field represents which GPIO pin number has been
- * assigned the reset functionality.
- */
-struct f01_ds4_queries {
- u8 length:4;
- u8 reserved_1:4;
-
- u8 has_package_id_query:1;
- u8 has_packrat_query:1;
- u8 has_reset_query:1;
- u8 has_maskrev_query:1;
- u8 reserved_2:4;
-
- u8 has_i2c_control:1;
- u8 has_spi_control:1;
- u8 has_attn_control:1;
- u8 reserved_3:5;
-
- u8 reset_enabled:1;
- u8 reset_polarity:1;
- u8 pullup_enabled:1;
- u8 reserved_4:1;
- u8 reset_pin_number:4;
-} __attribute__((__packed__));
-
-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];
-
- u16 interrupt_enable_addr;
- u16 doze_interval_addr;
- u16 wakeup_threshold_addr;
- u16 doze_holdoff_addr;
-
- int irq_count;
- int num_of_irq_regs;
-
-#ifdef CONFIG_PM
- bool suspended;
- bool old_nosleep;
-#endif
-
-#ifdef CONFIG_RMI4_DEBUG
- struct dentry *debugfs_interrupt_enable;
-#endif
-};
-
-#ifdef CONFIG_RMI4_DEBUG
-struct f01_debugfs_data {
- bool done;
- struct rmi_function *fn;
-};
-
-static int f01_debug_open(struct inode *inodep, struct file *filp)
-{
- struct f01_debugfs_data *data;
- struct rmi_function *fn = inodep->i_private;
-
- data = kzalloc(sizeof(struct f01_debugfs_data), GFP_KERNEL);
- if (!data)
- return -ENOMEM;
-
- data->fn = fn;
- filp->private_data = data;
- return 0;
-}
-
-static int f01_debug_release(struct inode *inodep, struct file *filp)
-{
- kfree(filp->private_data);
- return 0;
-}
-
-static ssize_t interrupt_enable_read(struct file *filp, char __user *buffer,
- size_t size, loff_t *offset) {
- int i;
- int len;
- int total_len = 0;
- char local_buf[size];
- char *current_buf = local_buf;
- struct f01_debugfs_data *data = filp->private_data;
- struct f01_data *f01 = data->fn->data;
-
- if (data->done)
- return 0;
-
- data->done = 1;
-
- /* loop through each irq value and copy its
- * string representation into buf */
- for (i = 0; i < f01->irq_count; i++) {
- int irq_reg;
- int irq_shift;
- int interrupt_enable;
-
- irq_reg = i / 8;
- irq_shift = i % 8;
- interrupt_enable =
- ((f01->device_control.interrupt_enable[irq_reg]
- >> irq_shift) & 0x01);
-
- /* get next irq value and write it to buf */
- len = snprintf(current_buf, size - total_len,
- "%u ", interrupt_enable);
- /* bump up ptr to next location in buf if the
- * snprintf was valid. Otherwise issue an error
- * and return. */
- if (len > 0) {
- current_buf += len;
- total_len += len;
- } else {
- dev_err(&data->fn->dev, "Failed to build interrupt_enable buffer, code = %d.\n",
- len);
- return snprintf(local_buf, size, "unknown\n");
- }
- }
- len = snprintf(current_buf, size - total_len, "\n");
- if (len > 0)
- total_len += len;
- else
- dev_warn(&data->fn->dev, "%s: Failed to append carriage return.\n",
- __func__);
-
- if (copy_to_user(buffer, local_buf, total_len))
- return -EFAULT;
-
- return total_len;
-}
-
-static ssize_t interrupt_enable_write(struct file *filp,
- const char __user *buffer, size_t size, loff_t *offset) {
- int retval;
- char buf[size];
- char *local_buf = buf;
- int i;
- int irq_count = 0;
- int irq_reg = 0;
- struct f01_debugfs_data *data = filp->private_data;
- struct f01_data *f01 = data->fn->data;
-
- retval = copy_from_user(buf, buffer, size);
- if (retval)
- return -EFAULT;
-
- for (i = 0; i < f01->irq_count && *local_buf != 0;
- i++, local_buf += 2) {
- int irq_shift;
- int interrupt_enable;
- int result;
-
- irq_reg = i / 8;
- irq_shift = i % 8;
-
- /* get next interrupt mapping value and store and bump up to
- * point to next item in local_buf */
- 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",
- i, interrupt_enable);
- return -EINVAL;
- }
- if (interrupt_enable == 0) {
- f01->device_control.interrupt_enable[irq_reg] &=
- (1 << irq_shift) ^ 0xFF;
- } else
- f01->device_control.interrupt_enable[irq_reg] |=
- (1 << irq_shift);
- irq_count++;
- }
-
- /* 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",
- 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,
- 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",
- f01->interrupt_enable_addr);
- return retval;
- }
-
- return size;
-}
-
-static const struct file_operations interrupt_enable_fops = {
- .owner = THIS_MODULE,
- .open = f01_debug_open,
- .release = f01_debug_release,
- .read = interrupt_enable_read,
- .write = interrupt_enable_write,
-};
-
-static int setup_debugfs(struct rmi_function *fn)
-{
- struct f01_data *data = fn->data;
-
- if (!fn->debugfs_root)
- return -ENODEV;
-
- data->debugfs_interrupt_enable = debugfs_create_file("interrupt_enable",
- RMI_RW_ATTR, fn->debugfs_root, fn, &interrupt_enable_fops);
- if (!data->debugfs_interrupt_enable)
- dev_warn(&fn->dev,
- "Failed to create debugfs interrupt_enable.\n");
-
- return 0;
-}
-
-static void teardown_debugfs(struct f01_data *f01)
-{
- if (f01->debugfs_interrupt_enable)
- debugfs_remove(f01->debugfs_interrupt_enable);
-}
-
-#else
+#define FUNCTION_NUMBER 0x01
-static inline int setup_debugfs(struct rmi_function *fn)
-{
- return 0;
-}
-
-static inline void teardown_debugfs(struct f01_data *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;
-
- return snprintf(buf, PAGE_SIZE, "0x%02x 0x%02x\n",
- data->basic_queries.productinfo_1,
- data->basic_queries.productinfo_2);
-}
-
-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;
-
- return snprintf(buf, PAGE_SIZE, "%s\n", data->product_id);
-}
-
-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;
-
- return snprintf(buf, PAGE_SIZE, "0x%02x\n",
- data->basic_queries.manufacturer_id);
-}
-
-static ssize_t rmi_fn_01_datecode_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct rmi_function *fn = to_rmi_function(dev);
- struct f01_data *data = fn->data;
-
- return snprintf(buf, PAGE_SIZE, "20%02u-%02u-%02u\n",
- data->basic_queries.year,
- data->basic_queries.month,
- data->basic_queries.day);
-}
-
-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);
- unsigned int reset;
- int retval = 0;
-
-
- if (sscanf(buf, "%u", &reset) != 1)
- return -EINVAL;
- if (reset < 0 || reset > 1)
- return -EINVAL;
-
- /* Per spec, 0 has no effect, so we skip it entirely. */
- if (reset) {
- /* Command register always reads as 0, so just use a local. */
- struct f01_device_commands commands = {
- .reset = 1
- };
- retval = rmi_write_block(fn->rmi_dev, fn->fd.command_base_addr,
- &commands, sizeof(commands));
- if (retval < 0) {
- dev_err(dev, "Failed to issue reset command, code = %d.",
- retval);
- return retval;
- }
- }
-
- return count;
-}
-
-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;
-
- return snprintf(buf, PAGE_SIZE,
- "%d\n", data->device_control.ctrl0.sleep_mode);
-}
-
-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;
- unsigned long new_value;
- int retval;
-
- retval = strict_strtoul(buf, 10, &new_value);
- if (retval < 0 || !RMI_IS_VALID_SLEEPMODE(new_value)) {
- dev_err(dev, "%s: Invalid sleep mode %s.", __func__, buf);
- return -EINVAL;
- }
-
- 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,
- &data->device_control.ctrl0,
- sizeof(data->device_control.ctrl0));
- if (retval >= 0)
- retval = count;
- else
- dev_err(dev, "Failed to write sleep mode, code %d.\n", retval);
- return retval;
-}
-
-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;
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- 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;
- unsigned long new_value;
- int retval;
-
- retval = strict_strtoul(buf, 10, &new_value);
- if (retval < 0 || new_value > 1) {
- dev_err(dev, "%s: Invalid nosleep bit %s.", __func__, buf);
- return -EINVAL;
- }
-
- data->device_control.ctrl0.nosleep = new_value;
- retval = rmi_write_block(fn->rmi_dev, fn->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;
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- data->device_control.ctrl0.charger_input);
-}
-
-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;
- unsigned long new_value;
- int retval;
-
- retval = strict_strtoul(buf, 10, &new_value);
- if (retval < 0 || new_value > 1) {
- dev_err(dev, "%s: Invalid chargerinput bit %s.", __func__, buf);
- return -EINVAL;
- }
-
- data->device_control.ctrl0.charger_input = new_value;
- retval = rmi_write_block(fn->rmi_dev, fn->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;
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- data->device_control.ctrl0.report_rate);
-}
-
-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;
- unsigned long new_value;
- int retval;
-
- retval = strict_strtoul(buf, 10, &new_value);
- if (retval < 0 || new_value > 1) {
- dev_err(dev, "%s: Invalid reportrate bit %s.", __func__, buf);
- return -EINVAL;
- }
-
- data->device_control.ctrl0.report_rate = new_value;
- retval = rmi_write_block(fn->rmi_dev, fn->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;
- int i, len, total_len = 0;
- char *current_buf = buf;
-
- /* loop through each irq value and copy its
- * string representation into buf */
- for (i = 0; i < data->irq_count; i++) {
- int irq_reg;
- int irq_shift;
- int interrupt_enable;
-
- irq_reg = i / 8;
- irq_shift = i % 8;
- interrupt_enable =
- ((data->device_control.interrupt_enable[irq_reg]
- >> irq_shift) & 0x01);
-
- /* get next irq value and write it to buf */
- len = snprintf(current_buf, PAGE_SIZE - total_len,
- "%u ", interrupt_enable);
- /* bump up ptr to next location in buf if the
- * snprintf was valid. Otherwise issue an error
- * and return. */
- if (len > 0) {
- current_buf += len;
- total_len += len;
- } else {
- dev_err(dev, "Failed to build interrupt_enable buffer, code = %d.\n",
- len);
- return snprintf(buf, PAGE_SIZE, "unknown\n");
- }
- }
- len = snprintf(current_buf, PAGE_SIZE - total_len, "\n");
- if (len > 0)
- total_len += len;
- else
- dev_warn(dev, "%s: Failed to append carriage return.\n",
- __func__);
- return total_len;
-
-}
-
-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;
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- data->device_control.doze_interval);
-
-}
-
-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;
- unsigned long new_value;
- int retval;
- u16 ctrl_base_addr;
-
- retval = strict_strtoul(buf, 10, &new_value);
- if (retval < 0 || new_value > 255) {
- dev_err(dev, "%s: Invalid doze interval %s.", __func__, buf);
- return -EINVAL;
- }
-
- data->device_control.doze_interval = new_value;
- ctrl_base_addr = fn->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);
-
- retval = rmi_write_block(fn->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;
-
-}
-
-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;
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- data->device_control.wakeup_threshold);
-}
-
-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;
- unsigned long new_value;
- int retval;
-
- retval = strict_strtoul(buf, 10, &new_value);
- if (retval < 0 || new_value > 255) {
- dev_err(dev, "%s: Invalid wakeup threshold %s.", __func__, buf);
- return -EINVAL;
- }
-
- data->device_control.doze_interval = new_value;
- retval = rmi_write_block(fn->rmi_dev, data->wakeup_threshold_addr,
- &data->device_control.wakeup_threshold,
- sizeof(u8));
- if (retval >= 0)
- retval = count;
- else
- dev_err(dev, "Failed to write wakeup threshold.\n");
- return retval;
-
-}
-
-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;
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- data->device_control.doze_holdoff);
-
-}
-
-
-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;
- unsigned long new_value;
- int retval;
-
- retval = strict_strtoul(buf, 10, &new_value);
- if (retval < 0 || new_value > 255) {
- dev_err(dev, "%s: Invalid doze holdoff %s.", __func__, buf);
- return -EINVAL;
- }
-
- data->device_control.doze_interval = new_value;
- retval = rmi_write_block(fn->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;
-
-}
-
-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;
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- data->device_control.ctrl0.configured);
-}
-
-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;
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- data->device_status.unconfigured);
-}
-
-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;
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- data->device_status.flash_prog);
-}
-
-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;
-
- 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,
- * 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);
-
-/*
- * We make report rate 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);
-
-/* Command register access. */
-static RMI_F01_WO_ATTR(reset);
-
-/* 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[] = {
- &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,
- 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 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 +76,237 @@ 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);
-
- 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_config(struct rmi_function_dev *fn_dev)
{
- struct f01_data *data = fn->data;
+ 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)
- return error;
-
- error = rmi_f01_initialize(fn);
- if (error)
+ error = rmi_f01_alloc_memory(fn_dev, driver_data->num_of_irq_regs);
+ if (error < 0)
return error;
- error = sysfs_create_group(&fn->dev.kobj, &rmi_fn_01_attr_group);
- if (error)
+ error = rmi_f01_initialize(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 +317,11 @@ 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 +333,10 @@ 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 +345,11 @@ 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 +361,27 @@ 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 rmi_device *rmi_dev = fn->rmi_dev;
- struct f01_data *data = fn->data;
+ return 0;
+}
+
+static int rmi_f01_attention(struct rmi_function_dev *fn_dev,
+ unsigned long *irq_bits)
+{
+ 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;
@@ -1227,16 +389,17 @@ 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
+
+#ifdef CONFIG_PM
.suspend = rmi_f01_suspend,
.resume = rmi_f01_resume,
#endif /* CONFIG_PM */
diff --git a/drivers/input/rmi4/rmi_f01.h b/drivers/input/rmi4/rmi_f01.h
index 8092b7f..d388c63 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 moduleâs touch controller was produced.
- * @wafer_id1_msb - The wafer-lot ID registers record the lot number of the
- * wafer from which the moduleâs touch controller was produced.
- * @wafer_id2_lsb - The wafer-lot ID registers record the lot number of the
- * wafer from which the moduleâs touch controller was produced.
- * @wafer_id2_msb - The wafer-lot ID registers record the lot number of the
- * wafer from which the moduleâs touch controller was produced.
- * @wafer_id3_lsb - The wafer-lot ID registers record the lot number of the
- * wafer from which the moduleâs 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;
@@ -159,4 +136,113 @@ struct f01_device_control_0 {
u8 configured:1;
} __attribute__((__packed__));
+/**
+ * @reset - set this bit to force a firmware reset of the sensor.
+ */
+struct f01_device_commands {
+ u8 reset:1;
+ u8 reserved:7;
+};
+
+/**
+ * @ctrl0 - see documentation in rmi_f01.h.
+ * @interrupt_enable - A mask of per-function interrupts on the touch sensor.
+ * @doze_interval - controls the interval between checks for finger presence
+ * when the touch sensor is in doze mode, in units of 10ms.
+ * @wakeup_threshold - controls the capacitance threshold at which the touch
+ * sensor will decide to wake up from that low power state.
+ * @doze_holdoff - controls how long the touch sensor waits after the last
+ * finger lifts before entering the doze state, in units of 100ms.
+ */
+struct f01_device_control {
+ struct f01_device_control_0 ctrl0;
+ u8 *interrupt_enable;
+ u8 doze_interval;
+ u8 wakeup_threshold;
+ u8 doze_holdoff;
+};
+
+/**
+ * @has_ds4_queries - if true, the query registers relating to Design Studio 4
+ * features are present.
+ * @has_multi_phy - if true, multiple physical communications interfaces are
+ * supported.
+ * @has_guest - if true, a "guest" device is supported.
+ */
+struct f01_query_42 {
+ u8 has_ds4_queries:1;
+ u8 has_multi_phy:1;
+ u8 has_guest:1;
+ u8 reserved:5;
+} __attribute__((__packed__));
+
+/**
+ * @length - the length of the remaining Query43.* register block, not
+ * including the first register.
+ * @has_package_id_query - the package ID query data will be accessible from
+ * inside the ProductID query registers.
+ * @has_packrat_query - the packrat query data will be accessible from inside
+ * the ProductID query registers.
+ * @has_reset_query - the reset pin related registers are valid.
+ * @has_maskrev_query - the silicon mask revision number will be reported.
+ * @has_i2c_control - the register F01_RMI_Ctrl6 will exist.
+ * @has_spi_control - the register F01_RMI_Ctrl7 will exist.
+ * @has_attn_control - the register F01_RMI_Ctrl8 will exist.
+ * @reset_enabled - the hardware reset pin functionality has been enabled
+ * for this device.
+ * @reset_polarity - If this bit reports as â0â, it means that the reset state
+ * is active low. A â1â means that the reset state is active high.
+ * @pullup_enabled - If set, it indicates that a built-in weak pull up has
+ * been enabled on the Reset pin; clear means that no pull-up is present.
+ * @reset_pin_number - This field represents which GPIO pin number has been
+ * assigned the reset functionality.
+ */
+struct f01_ds4_queries {
+ u8 length:4;
+ u8 reserved_1:4;
+
+ u8 has_package_id_query:1;
+ u8 has_packrat_query:1;
+ u8 has_reset_query:1;
+ u8 has_maskrev_query:1;
+ u8 reserved_2:4;
+
+ u8 has_i2c_control:1;
+ u8 has_spi_control:1;
+ u8 has_attn_control:1;
+ u8 reserved_3:5;
+
+ u8 reset_enabled:1;
+ u8 reset_polarity:1;
+ u8 pullup_enabled:1;
+ u8 reserved_4:1;
+ 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 serialization[F01_SERIALIZATION_SIZE];
+ u8 product_id[RMI_PRODUCT_ID_LENGTH+1];
+
+ u16 interrupt_enable_addr;
+ u16 doze_interval_addr;
+ u16 wakeup_threshold_addr;
+ u16 doze_holdoff_addr;
+
+ int irq_count;
+ int num_of_irq_regs;
+
+#ifdef CONFIG_PM
+ bool suspended;
+ bool old_nosleep;
+#endif
+};
+
#endif
--
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