Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754553AbZGNKGv (ORCPT ); Tue, 14 Jul 2009 06:06:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754487AbZGNKGu (ORCPT ); Tue, 14 Jul 2009 06:06:50 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:44498 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754529AbZGNKGr (ORCPT ); Tue, 14 Jul 2009 06:06:47 -0400 Date: Tue, 14 Jul 2009 12:06:34 +0200 From: Pavel Machek To: Arve Hj?nnev?g , kernel list , Brian Swetland , dmitry.torokhov@gmail.com, dtor@mail.ru, linux-input@vger.kernel.org Cc: Andrew Morton Subject: Support for synaptic touchscreen in HTC dream Message-ID: <20090714100634.GA4054@elf.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 20638 Lines: 701 From: Arve Hj?nnev?g This adds support for synaptic touchscreen, used in HTC dream cellphone. Signed-off-by: Pavel Machek diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index bb6486a..fa3404f 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -206,6 +213,14 @@ config TOUCHSCREEN_MIGOR To compile this driver as a module, choose M here: the module will be called migor_ts. +config TOUCHSCREEN_SYNAPTICS_I2C_RMI + tristate "Synaptics i2c touchscreen" + depends on I2C + help + This enables support for Synaptics RMI over I2C based touchscreens. + Such touchscreen is used in HTC Dream. + + config TOUCHSCREEN_TOUCHRIGHT tristate "Touchright serial touchscreen" select SERIO diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile index d3375af..959dcda 100644 --- a/drivers/input/touchscreen/Makefile +++ b/drivers/input/touchscreen/Makefile @@ -22,6 +23,7 @@ obj-$(CONFIG_TOUCHSCREEN_HP7XX) += jornada720_ts.o obj-$(CONFIG_TOUCHSCREEN_HTCPEN) += htcpen.o obj-$(CONFIG_TOUCHSCREEN_USB_COMPOSITE) += usbtouchscreen.o obj-$(CONFIG_TOUCHSCREEN_PENMOUNT) += penmount.o +obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI) += synaptics_i2c_rmi.o obj-$(CONFIG_TOUCHSCREEN_TOUCHIT213) += touchit213.o obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT) += touchright.o obj-$(CONFIG_TOUCHSCREEN_TOUCHWIN) += touchwin.o diff --git a/drivers/input/touchscreen/synaptics_i2c_rmi.c b/drivers/input/touchscreen/synaptics_i2c_rmi.c new file mode 100644 index 0000000..fe10e85 --- /dev/null +++ b/drivers/input/touchscreen/synaptics_i2c_rmi.c @@ -0,0 +1,587 @@ +/* + * Support for synaptics touchscreen. + * + * Copyright (C) 2007 Google, Inc. + * Author: Arve Hj?nnev?g + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static struct workqueue_struct *synaptics_wq; + +struct synaptics_ts_data { + u16 addr; + struct i2c_client *client; + struct input_dev *input_dev; + int use_irq; + struct hrtimer timer; + struct work_struct work; + u16 max[2]; + int snap_state[2][2]; + int snap_down_on[2]; + int snap_down_off[2]; + int snap_up_on[2]; + int snap_up_off[2]; + int snap_down[2]; + int snap_up[2]; + u32 flags; + int (*power)(int on); +}; + +static int i2c_set(struct synaptics_ts_data *ts, u8 reg, u8 val, char *msg) +{ + int ret = i2c_smbus_write_byte_data(ts->client, reg, val); + if (ret < 0) + pr_err("i2c_smbus_write_byte_data failed (%s)\n", msg); + return ret; +} + +static int i2c_read(struct synaptics_ts_data *ts, u8 reg, char *msg) +{ + int ret = i2c_smbus_read_byte_data(ts->client, 0xf0); + if (ret < 0) + pr_err("i2c_smbus_read_byte_data failed (%s)\n", msg); + return ret; +} + +static int synaptics_init_panel(struct synaptics_ts_data *ts) +{ + int ret; + + ret = i2c_set(ts, 0xff, 0x10, "set page select"); + if (ret == 0) + ret = i2c_set(ts, 0x41, 0x04, "set No Clip Z"); + + ret = i2c_set(ts, 0xff, 0x04, "fallback page select"); + ret = i2c_set(ts, 0xf0, 0x81, "select 80 reports per second"); + return ret; +} + +static void decode_report(struct synaptics_ts_data *ts, u8 *buf) +{ + int pos[2][2]; + int f, a; + int base = 2; + int z = buf[1]; + int w = buf[0] >> 4; + int finger = buf[0] & 7; + int finger2_pressed; + + for (f = 0; f < 2; f++) { + u32 flip_flag = SYNAPTICS_FLIP_X; + for (a = 0; a < 2; a++) { + int p = buf[base + 1]; + p |= (u16)(buf[base] & 0x1f) << 8; + if (ts->flags & flip_flag) + p = ts->max[a] - p; + if (ts->flags & SYNAPTICS_SNAP_TO_INACTIVE_EDGE) { + if (ts->snap_state[f][a]) { + if (p <= ts->snap_down_off[a]) + p = ts->snap_down[a]; + else if (p >= ts->snap_up_off[a]) + p = ts->snap_up[a]; + else + ts->snap_state[f][a] = 0; + } else { + if (p <= ts->snap_down_on[a]) { + p = ts->snap_down[a]; + ts->snap_state[f][a] = 1; + } else if (p >= ts->snap_up_on[a]) { + p = ts->snap_up[a]; + ts->snap_state[f][a] = 1; + } + } + } + pos[f][a] = p; + base += 2; + flip_flag <<= 1; + } + base += 2; + if (ts->flags & SYNAPTICS_SWAP_XY) + swap(pos[f][0], pos[f][1]); + } + if (z) { + input_report_abs(ts->input_dev, ABS_X, pos[0][0]); + input_report_abs(ts->input_dev, ABS_Y, pos[0][1]); + } + input_report_abs(ts->input_dev, ABS_PRESSURE, z); + input_report_abs(ts->input_dev, ABS_TOOL_WIDTH, w); + input_report_key(ts->input_dev, BTN_TOUCH, finger); + finger2_pressed = finger > 1 && finger != 7; + input_report_key(ts->input_dev, BTN_2, finger2_pressed); + if (finger2_pressed) { + input_report_abs(ts->input_dev, ABS_HAT0X, pos[1][0]); + input_report_abs(ts->input_dev, ABS_HAT0Y, pos[1][1]); + } + input_sync(ts->input_dev); +} + +static void synaptics_ts_work_func(struct work_struct *work) +{ + int i; + int ret; + int bad_data = 0; + struct i2c_msg msg[2]; + u8 start_reg = 0; + u8 buf[15]; + struct synaptics_ts_data *ts = + container_of(work, struct synaptics_ts_data, work); + + msg[0].addr = ts->client->addr; + msg[0].flags = 0; + msg[0].len = 1; + msg[0].buf = &start_reg; + msg[1].addr = ts->client->addr; + msg[1].flags = I2C_M_RD; + msg[1].len = sizeof(buf); + msg[1].buf = buf; + + for (i = 0; i < ((ts->use_irq && !bad_data) ? 1 : 10); i++) { + ret = i2c_transfer(ts->client->adapter, msg, 2); + if (ret < 0) { + printk(KERN_ERR "ts_work: i2c_transfer failed\n"); + bad_data = 1; + continue; + } + if ((buf[14] & 0xc0) != 0x40) { + printk(KERN_WARNING "synaptics_ts_work_func:" + " bad read %x %x %x %x %x %x %x %x %x" + " %x %x %x %x %x %x, ret %d\n", + buf[0], buf[1], buf[2], buf[3], + buf[4], buf[5], buf[6], buf[7], + buf[8], buf[9], buf[10], buf[11], + buf[12], buf[13], buf[14], ret); + if (bad_data) + synaptics_init_panel(ts); + bad_data = 1; + continue; + } + bad_data = 0; + if ((buf[14] & 1) == 0) + break; + + decode_report(ts, buf); + } + if (ts->use_irq) + enable_irq(ts->client->irq); +} + +static enum hrtimer_restart synaptics_ts_timer_func(struct hrtimer *timer) +{ + struct synaptics_ts_data *ts = + container_of(timer, struct synaptics_ts_data, timer); + + queue_work(synaptics_wq, &ts->work); + + hrtimer_start(&ts->timer, ktime_set(0, 12500000), HRTIMER_MODE_REL); + return HRTIMER_NORESTART; +} + +static irqreturn_t synaptics_ts_irq_handler(int irq, void *dev_id) +{ + struct synaptics_ts_data *ts = dev_id; + + disable_irq(ts->client->irq); + queue_work(synaptics_wq, &ts->work); + return IRQ_HANDLED; +} + +static int detect(struct synaptics_ts_data *ts, u32 *panel_version) +{ + int ret; + int retry = 10; + + ret = i2c_set(ts, 0xf4, 0x01, "reset device"); + + while (retry-- > 0) { + ret = i2c_smbus_read_byte_data(ts->client, 0xe4); + if (ret >= 0) + break; + msleep(100); + } + if (ret < 0) { + pr_err("i2c_smbus_read_byte_data failed\n"); + return ret; + } + + *panel_version = ret << 8; + ret = i2c_read(ts, 0xe5, "product minor"); + if (ret < 0) + return ret; + *panel_version |= ret; + + ret = i2c_read(ts, 0xe3, "property"); + if (ret < 0) + return ret; + + pr_info("synaptics: version %x, product property %x\n", + *panel_version, ret); + return 0; +} + +static void compute_areas(struct synaptics_ts_data *ts, + struct synaptics_i2c_rmi_platform_data *pdata, + u16 max_x, u16 max_y) +{ + u32 inactive_area_left; + u32 inactive_area_right; + u32 inactive_area_top; + u32 inactive_area_bottom; + u32 snap_left_on; + u32 snap_left_off; + u32 snap_right_on; + u32 snap_right_off; + u32 snap_top_on; + u32 snap_top_off; + u32 snap_bottom_on; + u32 snap_bottom_off; + u32 fuzz_x; + u32 fuzz_y; + int fuzz_p; + int fuzz_w; + int swapped = !!(ts->flags & SYNAPTICS_SWAP_XY); + + inactive_area_left = pdata->inactive_left; + inactive_area_right = pdata->inactive_right; + inactive_area_top = pdata->inactive_top; + inactive_area_bottom = pdata->inactive_bottom; + snap_left_on = pdata->snap_left_on; + snap_left_off = pdata->snap_left_off; + snap_right_on = pdata->snap_right_on; + snap_right_off = pdata->snap_right_off; + snap_top_on = pdata->snap_top_on; + snap_top_off = pdata->snap_top_off; + snap_bottom_on = pdata->snap_bottom_on; + snap_bottom_off = pdata->snap_bottom_off; + fuzz_x = pdata->fuzz_x; + fuzz_y = pdata->fuzz_y; + fuzz_p = pdata->fuzz_p; + fuzz_w = pdata->fuzz_w; + + inactive_area_left = inactive_area_left * max_x / 0x10000; + inactive_area_right = inactive_area_right * max_x / 0x10000; + inactive_area_top = inactive_area_top * max_y / 0x10000; + inactive_area_bottom = inactive_area_bottom * max_y / 0x10000; + snap_left_on = snap_left_on * max_x / 0x10000; + snap_left_off = snap_left_off * max_x / 0x10000; + snap_right_on = snap_right_on * max_x / 0x10000; + snap_right_off = snap_right_off * max_x / 0x10000; + snap_top_on = snap_top_on * max_y / 0x10000; + snap_top_off = snap_top_off * max_y / 0x10000; + snap_bottom_on = snap_bottom_on * max_y / 0x10000; + snap_bottom_off = snap_bottom_off * max_y / 0x10000; + fuzz_x = fuzz_x * max_x / 0x10000; + fuzz_y = fuzz_y * max_y / 0x10000; + + + ts->snap_down[swapped] = -inactive_area_left; + ts->snap_up[swapped] = max_x + inactive_area_right; + ts->snap_down[!swapped] = -inactive_area_top; + ts->snap_up[!swapped] = max_y + inactive_area_bottom; + ts->snap_down_on[swapped] = snap_left_on; + ts->snap_down_off[swapped] = snap_left_off; + ts->snap_up_on[swapped] = max_x - snap_right_on; + ts->snap_up_off[swapped] = max_x - snap_right_off; + ts->snap_down_on[!swapped] = snap_top_on; + ts->snap_down_off[!swapped] = snap_top_off; + ts->snap_up_on[!swapped] = max_y - snap_bottom_on; + ts->snap_up_off[!swapped] = max_y - snap_bottom_off; + pr_info("synaptics_ts_probe: max_x %d, max_y %d\n", max_x, max_y); + pr_info("synaptics_ts_probe: inactive_x %d %d, inactive_y %d %d\n", + inactive_area_left, inactive_area_right, + inactive_area_top, inactive_area_bottom); + pr_info("synaptics_ts_probe: snap_x %d-%d %d-%d, snap_y %d-%d %d-%d\n", + snap_left_on, snap_left_off, snap_right_on, snap_right_off, + snap_top_on, snap_top_off, snap_bottom_on, snap_bottom_off); + + input_set_abs_params(ts->input_dev, ABS_X, + -inactive_area_left, max_x + inactive_area_right, + fuzz_x, 0); + input_set_abs_params(ts->input_dev, ABS_Y, + -inactive_area_top, max_y + inactive_area_bottom, + fuzz_y, 0); + input_set_abs_params(ts->input_dev, ABS_PRESSURE, 0, 255, fuzz_p, 0); + input_set_abs_params(ts->input_dev, ABS_TOOL_WIDTH, 0, 15, fuzz_w, 0); + input_set_abs_params(ts->input_dev, ABS_HAT0X, -inactive_area_left, + max_x + inactive_area_right, fuzz_x, 0); + input_set_abs_params(ts->input_dev, ABS_HAT0Y, -inactive_area_top, + max_y + inactive_area_bottom, fuzz_y, 0); +} + +static int synaptics_ts_probe( + struct i2c_client *client, const struct i2c_device_id *id) +{ + struct synaptics_ts_data *ts; + u8 buf0[4]; + u8 buf1[8]; + struct i2c_msg msg[2]; + int ret = 0; + struct synaptics_i2c_rmi_platform_data *pdata; + u32 panel_version = 0; + u16 max_x, max_y; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { + printk(KERN_ERR "synaptics_ts_probe: need I2C_FUNC_I2C\n"); + ret = -ENODEV; + goto err_check_functionality_failed; + } + + ts = kzalloc(sizeof(*ts), GFP_KERNEL); + if (ts == NULL) { + ret = -ENOMEM; + goto err_alloc_data_failed; + } + INIT_WORK(&ts->work, synaptics_ts_work_func); + ts->client = client; + i2c_set_clientdata(client, ts); + pdata = client->dev.platform_data; + if (pdata) + ts->power = pdata->power; + else + pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); + + if (ts->power) { + ret = ts->power(1); + if (ret < 0) { + printk(KERN_ERR "synaptics_ts_probe power on failed\n"); + goto err_power_failed; + } + } + + ret = detect(ts, &panel_version); + if (ret) + goto err_detect_failed; + + while (pdata->version > panel_version) + pdata++; + ts->flags = pdata->flags; + + ret = i2c_read(ts, 0xf0, "device control"); + if (ret < 0) + goto err_detect_failed; + pr_info("synaptics: device control %x\n", ret); + + ret = i2c_read(ts, 0xf1, "interrupt enable"); + if (ret < 0) + goto err_detect_failed; + pr_info("synaptics_ts_probe: interrupt enable %x\n", ret); + + ret = i2c_set(ts, 0xf1, 0, "disable interrupt"); + if (ret < 0) + goto err_detect_failed; + + msg[0].addr = ts->client->addr; + msg[0].flags = 0; + msg[0].len = 1; + msg[0].buf = buf0; + buf0[0] = 0xe0; + msg[1].addr = ts->client->addr; + msg[1].flags = I2C_M_RD; + msg[1].len = 8; + msg[1].buf = buf1; + ret = i2c_transfer(ts->client->adapter, msg, 2); + if (ret < 0) { + printk(KERN_ERR "i2c_transfer failed\n"); + goto err_detect_failed; + } + printk(KERN_INFO "synaptics_ts_probe: 0xe0: %x %x %x %x %x %x %x %x\n", + buf1[0], buf1[1], buf1[2], buf1[3], + buf1[4], buf1[5], buf1[6], buf1[7]); + + ret = i2c_set(ts, 0xff, 0x10, "page select = 0x10"); + if (ret < 0) + goto err_detect_failed; + + ret = i2c_smbus_read_word_data(ts->client, 0x04); + if (ret < 0) { + printk(KERN_ERR "i2c_smbus_read_word_data failed\n"); + goto err_detect_failed; + } + ts->max[0] = max_x = (ret >> 8 & 0xff) | ((ret & 0x1f) << 8); + ret = i2c_smbus_read_word_data(ts->client, 0x06); + if (ret < 0) { + printk(KERN_ERR "i2c_smbus_read_word_data failed\n"); + goto err_detect_failed; + } + ts->max[1] = max_y = (ret >> 8 & 0xff) | ((ret & 0x1f) << 8); + if (ts->flags & SYNAPTICS_SWAP_XY) + swap(max_x, max_y); + + /* will also switch back to page 0x04 */ + ret = synaptics_init_panel(ts); + if (ret < 0) { + pr_err("synaptics_init_panel failed\n"); + goto err_detect_failed; + } + + ts->input_dev = input_allocate_device(); + if (ts->input_dev == NULL) { + ret = -ENOMEM; + pr_err("synaptics: Failed to allocate input device\n"); + goto err_input_dev_alloc_failed; + } + ts->input_dev->name = "synaptics-rmi-touchscreen"; + set_bit(EV_SYN, ts->input_dev->evbit); + set_bit(EV_KEY, ts->input_dev->evbit); + set_bit(BTN_TOUCH, ts->input_dev->keybit); + set_bit(BTN_2, ts->input_dev->keybit); + set_bit(EV_ABS, ts->input_dev->evbit); + + compute_areas(ts, pdata, max_x, max_y); + + + ret = input_register_device(ts->input_dev); + if (ret) { + pr_err("synaptics: Unable to register %s input device\n", + ts->input_dev->name); + goto err_input_register_device_failed; + } + if (client->irq) { + ret = request_irq(client->irq, synaptics_ts_irq_handler, + 0, client->name, ts); + if (ret == 0) { + ret = i2c_set(ts, 0xf1, 0x01, "enable abs int"); + if (ret) + free_irq(client->irq, ts); + } + if (ret == 0) + ts->use_irq = 1; + else + dev_err(&client->dev, "request_irq failed\n"); + } + if (!ts->use_irq) { + hrtimer_init(&ts->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + ts->timer.function = synaptics_ts_timer_func; + hrtimer_start(&ts->timer, ktime_set(1, 0), HRTIMER_MODE_REL); + } + + pr_info("synaptics: Start touchscreen %s in %s mode\n", + ts->input_dev->name, ts->use_irq ? "interrupt" : "polling"); + + return 0; + + err_input_register_device_failed: + input_free_device(ts->input_dev); + + err_input_dev_alloc_failed: + err_detect_failed: + err_power_failed: + kfree(ts); + err_alloc_data_failed: + err_check_functionality_failed: + return ret; +} + +static int synaptics_ts_remove(struct i2c_client *client) +{ + struct synaptics_ts_data *ts = i2c_get_clientdata(client); + + if (ts->use_irq) + free_irq(client->irq, ts); + else + hrtimer_cancel(&ts->timer); + input_unregister_device(ts->input_dev); + kfree(ts); + return 0; +} + +static int synaptics_ts_suspend(struct i2c_client *client, pm_message_t mesg) +{ + int ret; + struct synaptics_ts_data *ts = i2c_get_clientdata(client); + + if (ts->use_irq) + disable_irq(client->irq); + else + hrtimer_cancel(&ts->timer); + ret = cancel_work_sync(&ts->work); + if (ret && ts->use_irq) /* if work was pending disable-count is now 2 */ + enable_irq(client->irq); + i2c_set(ts, 0xf1, 0, "disable interrupt"); + i2c_set(ts, 0xf0, 0x86, "deep sleep"); + + if (ts->power) { + ret = ts->power(0); + if (ret < 0) + pr_err("synaptics_ts_suspend power off failed\n"); + } + return 0; +} + +static int synaptics_ts_resume(struct i2c_client *client) +{ + int ret; + struct synaptics_ts_data *ts = i2c_get_clientdata(client); + + if (ts->power) { + ret = ts->power(1); + if (ret < 0) + pr_err("synaptics_ts_resume power on failed\n"); + } + + synaptics_init_panel(ts); + + if (ts->use_irq) { + enable_irq(client->irq); + i2c_set(ts, 0xf1, 0x01, "enable abs int"); + } else + hrtimer_start(&ts->timer, ktime_set(1, 0), HRTIMER_MODE_REL); + + return 0; +} + + +static const struct i2c_device_id synaptics_ts_id[] = { + { SYNAPTICS_I2C_RMI_NAME, 0 }, + { } +}; + +static struct i2c_driver synaptics_ts_driver = { + .probe = synaptics_ts_probe, + .remove = synaptics_ts_remove, + .suspend = synaptics_ts_suspend, + .resume = synaptics_ts_resume, + .id_table = synaptics_ts_id, + .driver = { + .name = SYNAPTICS_I2C_RMI_NAME, + }, +}; + +static int __devinit synaptics_ts_init(void) +{ + synaptics_wq = create_singlethread_workqueue("synaptics_wq"); + if (!synaptics_wq) + return -ENOMEM; + return i2c_add_driver(&synaptics_ts_driver); +} + +static void __exit synaptics_ts_exit(void) +{ + i2c_del_driver(&synaptics_ts_driver); + if (synaptics_wq) + destroy_workqueue(synaptics_wq); +} + +module_init(synaptics_ts_init); +module_exit(synaptics_ts_exit); + +MODULE_DESCRIPTION("Synaptics Touchscreen Driver"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/synaptics_i2c_rmi.h b/include/linux/synaptics_i2c_rmi.h new file mode 100644 index 0000000..73e1de7 --- /dev/null +++ b/include/linux/synaptics_i2c_rmi.h @@ -0,0 +1,53 @@ +/* + * synaptics_i2c_rmi.h - platform data structure for f75375s sensor + * + * Copyright (C) 2008 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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. + * + */ + +#ifndef _LINUX_SYNAPTICS_I2C_RMI_H +#define _LINUX_SYNAPTICS_I2C_RMI_H + +#define SYNAPTICS_I2C_RMI_NAME "synaptics-rmi-ts" + +enum { + SYNAPTICS_FLIP_X = 1UL << 0, + SYNAPTICS_FLIP_Y = 1UL << 1, + SYNAPTICS_SWAP_XY = 1UL << 2, + SYNAPTICS_SNAP_TO_INACTIVE_EDGE = 1UL << 3, +}; + +struct synaptics_i2c_rmi_platform_data { + u32 version; /* Use this entry for panels with */ + /* (major << 8 | minor) version or above. */ + /* If non-zero another array entry follows */ + int (*power)(int on); /* Only valid in first array entry */ + u32 flags; + u32 inactive_left; /* 0x10000 = screen width */ + u32 inactive_right; /* 0x10000 = screen width */ + u32 inactive_top; /* 0x10000 = screen height */ + u32 inactive_bottom; /* 0x10000 = screen height */ + u32 snap_left_on; /* 0x10000 = screen width */ + u32 snap_left_off; /* 0x10000 = screen width */ + u32 snap_right_on; /* 0x10000 = screen width */ + u32 snap_right_off; /* 0x10000 = screen width */ + u32 snap_top_on; /* 0x10000 = screen height */ + u32 snap_top_off; /* 0x10000 = screen height */ + u32 snap_bottom_on; /* 0x10000 = screen height */ + u32 snap_bottom_off; /* 0x10000 = screen height */ + u32 fuzz_x; /* 0x10000 = screen width */ + u32 fuzz_y; /* 0x10000 = screen height */ + int fuzz_p; + int fuzz_w; +}; + +#endif /* _LINUX_SYNAPTICS_I2C_RMI_H */ -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/