From patchwork Sat Jan 19 01:12:44 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Christopher Heiny X-Patchwork-Id: 2005041 Return-Path: X-Original-To: patchwork-linux-input@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id DBA19DF280 for ; Sat, 19 Jan 2013 01:14:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756006Ab3ASBOK (ORCPT ); Fri, 18 Jan 2013 20:14:10 -0500 Received: from [12.239.217.82] ([12.239.217.82]:41839 "EHLO venom.synaptics.com" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1755950Ab3ASBOI (ORCPT ); Fri, 18 Jan 2013 20:14:08 -0500 Received: from venom.synaptics.com (venom.synaptics.com [127.0.0.1]) by venom.synaptics.com (8.14.4/8.14.4) with ESMTP id r0J1Ct9p029192; Fri, 18 Jan 2013 17:13:02 -0800 From: Christopher Heiny To: Dmitry Torokhov Cc: Jean Delvare , Linux Kernel , Linux Input , Christopher Heiny , Allie Xiong , Vivian Ly , Daniel Rosenberg , Alexandra Chin , Joerie de Gram , Wolfram Sang , Mathieu Poirier , Linus Walleij Subject: =?UTF-8?q?=5BPATCH=2004/05=5D=20input=3A=20RMI4=20F01=20device=20control?= Date: Fri, 18 Jan 2013 17:12:44 -0800 Message-Id: <1358557965-29065-5-git-send-email-cheiny@synaptics.com> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1358557965-29065-1-git-send-email-cheiny@synaptics.com> References: <1358557965-29065-1-git-send-email-cheiny@synaptics.com> MIME-Version: 1.0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org 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 Cc: Dmitry Torokhov Cc: Linus Walleij Cc: Joeri de Gram Acked-by: Jean Delvare --- drivers/input/rmi4/rmi_f01.c | 1113 ++++++------------------------------------ drivers/input/rmi4/rmi_f01.h | 138 +++++- 2 files changed, 250 insertions(+), 1001 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html 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 -#include #include #include #include #include + #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 ‘0’, it means that the reset state - * is active low. A ‘1’ 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 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; @@ -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 ‘0’, it means that the reset state + * is active low. A ‘1’ 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