diff options
Diffstat (limited to 'drivers/input/touchscreen/atmel_mxt1386_cfg.c')
| -rw-r--r-- | drivers/input/touchscreen/atmel_mxt1386_cfg.c | 532 |
1 files changed, 0 insertions, 532 deletions
diff --git a/drivers/input/touchscreen/atmel_mxt1386_cfg.c b/drivers/input/touchscreen/atmel_mxt1386_cfg.c deleted file mode 100644 index 4583f7b..0000000 --- a/drivers/input/touchscreen/atmel_mxt1386_cfg.c +++ /dev/null @@ -1,532 +0,0 @@ -/* - * atmel_maxtouch.c - Atmel maXTouch Touchscreen Controller - * - * Version 0.2a - * - * An early alpha version of the maXTouch Linux driver. - * - * - * Copyright (C) 2010 Iiro Valkonen <iiro.valkonen@atmel.com> - * Copyright (C) 2009 Ulf Samuelsson <ulf.samuelsson@atmel.com> - * Copyright (C) 2009 Raphael Derosso Pereira <raphaelpereira@gmail.com> - * - * 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. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/input.h> -#include <linux/string.h> -#include <linux/proc_fs.h> -#include <linux/device.h> -#include <linux/errno.h> -#include <linux/platform_device.h> -#include <linux/types.h> -#include <linux/input.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/earlysuspend.h> -#include <linux/firmware.h> -#include <linux/wakelock.h> - -#include <linux/delay.h> -#include <linux/i2c.h> - -#include <linux/atmel_mxt1386.h> -#include "atmel_mxt1386_cfg.h" - -#define READ_FW_FROM_HEADER 1 - -u8 firmware_latest[] = { - /*#include "mxt1386_fw_ver07.h"*/ - /*#include "mxt1386_fw_ver09.h"*/ - #include "mxt1386_fw_ver10.h" -}; - -int mxt_get_object_values(struct mxt_data *mxt, u8 *buf, int obj_type) -{ - u8 *obj = NULL; - u16 obj_size = 0; - - switch (obj_type) { - case MXT_GEN_POWERCONFIG_T7: - obj = (u8 *)&mxt->pdata->power_config; - obj_size = MXT_GET_SIZE(obj_type); - break; - case MXT_GEN_ACQUIRECONFIG_T8: - obj = (u8 *)&mxt->pdata->acquisition_config; - obj_size = MXT_GET_SIZE(obj_type); - break; - case MXT_TOUCH_MULTITOUCHSCREEN_T9: - obj = (u8 *)&mxt->pdata->touchscreen_config; - obj_size = MXT_GET_SIZE(obj_type); - break; - case MXT_PROCG_NOISESUPPRESSION_T22: - obj = (u8 *)&mxt->pdata->noise_suppression_config; - obj_size = MXT_GET_SIZE(obj_type); - break; - case MXT_SPT_CTECONFIG_T28: - obj = (u8 *)&mxt->pdata->cte_config; - obj_size = MXT_GET_SIZE(obj_type); - break; - default: - pr_err("Not supporting object type (object type: %d)", - obj_type); - return -1; - } - pr_info("obj type: %d, obj size: %d", obj_type, obj_size); - - if (memcpy(buf, obj, obj_size) == NULL) { - pr_err("memcpy failed!"); - return -1; - } - return 0; -} - -int mxt_power_config(struct mxt_data *mxt) -{ - struct i2c_client *client = mxt->client; - - u16 obj_addr, obj_size; - int error; - - obj_addr = MXT_BASE_ADDR(MXT_GEN_POWERCONFIG_T7); - obj_size = MXT_GET_SIZE(MXT_GEN_POWERCONFIG_T7); - /*pr_info("address: 0x%x, size: %d", obj_addr, obj_size);*/ - /*power_config initial values are got from platform_data*/ - - error = mxt_write_block(client, obj_addr, - obj_size, (u8 *)&mxt->pdata->power_config); - if (error < 0) { - dev_err(&client->dev, "mxt_write_byte failed!\n"); - return -EIO; - } - return 0; -} - -static int mxt_acquisition_config(struct mxt_data *mxt) -{ - struct i2c_client *client = mxt->client; - u16 obj_addr, obj_size; - int error; - - obj_addr = MXT_BASE_ADDR(MXT_GEN_ACQUIRECONFIG_T8); - obj_size = MXT_GET_SIZE(MXT_GEN_ACQUIRECONFIG_T8); - /*pr_info("address: 0x%x, size: %d", obj_addr, obj_size);*/ - /*acquisition_config initial values are got from platform_data*/ - - error = mxt_write_block(client, obj_addr, - obj_size, (u8 *)&mxt->pdata->acquisition_config); - if (error < 0) { - dev_err(&client->dev, "mxt_write_byte failed!\n"); - return -EIO; - } - return 0; -} - -int mxt_multitouch_config(struct mxt_data *mxt) -{ - struct i2c_client *client = mxt->client; - u16 obj_addr, obj_size; - int error; - - obj_addr = MXT_BASE_ADDR(MXT_TOUCH_MULTITOUCHSCREEN_T9); - obj_size = MXT_GET_SIZE(MXT_TOUCH_MULTITOUCHSCREEN_T9); - /*pr_info("address: 0x%x, size: %d", obj_addr, obj_size);*/ - /*touchscreen_config initial values are got from platform_data*/ - - error = mxt_write_block(client, obj_addr, - obj_size, (u8 *)&mxt->pdata->touchscreen_config); - if (error < 0) { - dev_err(&client->dev, "mxt_write_byte failed!\n"); - return -EIO; - } - return 0; -} - -static int mxt_noise_suppression_config(struct mxt_data *mxt) -{ - struct i2c_client *client = mxt->client; - u16 obj_addr, obj_size; - int error; - - obj_addr = MXT_BASE_ADDR(MXT_PROCG_NOISESUPPRESSION_T22); - obj_size = MXT_GET_SIZE(MXT_PROCG_NOISESUPPRESSION_T22); - /*pr_info("address: 0x%x, size: %d", obj_addr, obj_size);*/ - /*noise_suppression_config initial values are got from platform_data*/ - - error = mxt_write_block(client, obj_addr, - obj_size, - (u8 *)&mxt->pdata->noise_suppression_config); - if (error < 0) { - dev_err(&client->dev, "mxt_write_byte failed!\n"); - return -EIO; - } - return 0; -} - -static int mxt_cte_config(struct mxt_data *mxt) -{ - struct i2c_client *client = mxt->client; - u16 obj_addr, obj_size; - int error; - - obj_addr = MXT_BASE_ADDR(MXT_SPT_CTECONFIG_T28); - obj_size = MXT_GET_SIZE(MXT_SPT_CTECONFIG_T28); - /*pr_info("address: 0x%x, size: %d", obj_addr, obj_size);*/ - /*cte_config initial values are got from platform_data*/ - - /*mxt_write_block(client, 0x01b0, 6, (u8*)&mxt->pdata->cte_config);*/ - error = mxt_write_block(client, obj_addr, - obj_size, - (u8 *)&mxt->pdata->cte_config); - if (error < 0) { - dev_err(&client->dev, "mxt_write_byte failed!\n"); - return -EIO; - } - - return 0; -} - -static int mxt_gripsuppression_config(struct mxt_data *mxt) -{ - struct i2c_client *client = mxt->client; - u16 obj_addr, obj_size; - int error; - - obj_addr = MXT_BASE_ADDR(MXT_PROCI_GRIPSUPPRESSION_T40); - obj_size = MXT_GET_SIZE(MXT_PROCI_GRIPSUPPRESSION_T40); - /*pr_info("address: 0x%x, size: %d", obj_addr, obj_size);*/ - /*gripsupression_config initial values are got from platform_data*/ - - error = mxt_write_block(client, obj_addr, - obj_size, (u8 *)&mxt->pdata->gripsupression_config); - if (error < 0) { - dev_err(&client->dev, "mxt_write_byte failed!\n"); - return -EIO; - } - - return 0; -} - -static int mxt_palmsuppression_config(struct mxt_data *mxt) -{ - struct i2c_client *client = mxt->client; - u16 obj_addr, obj_size; - int error; - - obj_addr = MXT_BASE_ADDR(MXT_PROCI_PALMSUPPRESSION_T41); - obj_size = MXT_GET_SIZE(MXT_PROCI_PALMSUPPRESSION_T41); - /*pr_info("address: 0x%x, size: %d", obj_addr, obj_size);*/ - /*palmsupression_config initial values are got from platform_data*/ - - error = mxt_write_block(client, obj_addr, - obj_size, (u8 *)&mxt->pdata->palmsupression_config); - if (error < 0) { - dev_err(&client->dev, "mxt_write_byte failed!\n"); - return -EIO; - } - - return 0; -} - -static int mxt_other_configs(struct mxt_data *mxt) -{ - struct i2c_client *client = mxt->client; - u16 obj_addr, obj_size; - int error = 0, i = 0; - u8 addr = 0; - u8 obj_data[50]; - u8 obj_type[MXT_MAX_OBJECT_TYPES] = { - MXT_TOUCH_KEYARRAY_T15, - MXT_SPT_COMMSCONFIG_T18, - MXT_PROCI_ONETOUCHGESTUREPROCESSOR_T24, - MXT_SPT_SELFTEST_T25, - MXT_PROCI_TWOTOUCHGESTUREPROCESSOR_T27, - MXT_SPT_DIGITIZER_T43, - 0, }; - - for (i = 0; i < 50; i++) - obj_data[i] = 0; - - for (i = 0; i < MXT_MAX_OBJECT_TYPES; i++) { - if (0 == obj_type[i]) - break; - else - addr = obj_type[i]; - obj_addr = MXT_BASE_ADDR(addr); - obj_size = MXT_GET_SIZE(addr); - - if (MXT_TOUCH_KEYARRAY_T15 == addr) - obj_size *= 2; - - error = mxt_write_block(client, obj_addr, - obj_size, (u8 *)&obj_data); - - if (error < 0) { - dev_err(&client->dev, "mxt_write_byte failed!\n"); - return -EIO; - } - } - return 0; -} - -int mxt_config_settings(struct mxt_data *mxt) -{ - printk(KERN_DEBUG "[TSP] %s\n", __func__); - - if (mxt_power_config(mxt) < 0) - return -1; - if (mxt_acquisition_config(mxt) < 0) - return -1; - if (mxt_multitouch_config(mxt) < 0) - return -1; - if (mxt_noise_suppression_config(mxt) < 0) - return -1; - if (mxt_cte_config(mxt) < 0) - return -1; - if (mxt_gripsuppression_config(mxt) < 0) - return -1; - if (mxt_palmsuppression_config(mxt) < 0) - return -1; - if (mxt_other_configs(mxt) < 0) - return -1; - - /* backup to nv memory */ - backup_to_nv(mxt); - /* forces a reset of the chipset */ - reset_chip(mxt, RESET_TO_NORMAL); - msleep(250); /*mxt1386 need 250ms*/ - - return 0; -} - -/* - * Bootloader functions - */ - -static void bootloader_status(u8 value) -{ - u8 *str = NULL; - - switch (value) { - case 0xC0: - str = "WAITING_BOOTLOAD_CMD"; break; - case 0x80: - str = "WAITING_FRAME_DATA"; break; - case 0x40: - str = "APP_CRC_FAIL"; break; - case 0x02: - str = "FRAME_CRC_CHECK"; break; - case 0x03: - str = "FRAME_CRC_FAIL"; break; - case 0x04: - str = "FRAME_CRC_PASS"; break; - default: - str = "Unknown Status"; - } - pr_info("bootloader status: %s (0x%02X)\n", str, value); -} - -static int check_bootloader(struct i2c_client *client, unsigned int status) -{ - u8 val = 0; - u16 retry = 0; - - usleep_range(10000, 20000); /* recommendation from ATMEL*/ - -recheck: - if (i2c_master_recv(client, &val, 1) != 1) { - pr_err("i2c recv failed"); - return -EIO; - } - - switch (status) { - case WAITING_BOOTLOAD_COMMAND: - case WAITING_FRAME_DATA: - val &= ~BOOTLOAD_STATUS_MASK; - bootloader_status(val); - if (val == APP_CRC_FAIL) { - pr_info("We've got a APP_CRC_FAIL, so try again (count=%d)", - ++retry); - goto recheck; - } - break; - - case FRAME_CRC_PASS: - bootloader_status(val); - if (val == FRAME_CRC_CHECK) - goto recheck; - break; - - default: - return -EINVAL; - } - - if (val != status) { - pr_err("Invalid status: 0x%02X ", val); - return -EINVAL; - } - - return 0; -} - -static int unlock_bootloader(struct i2c_client *client) -{ - u8 cmd[2] = {0}; - - cmd[0] = 0xdc; /*MXT_CMD_UNLOCK_BL_LSB*/ - cmd[1] = 0xaa; /*MXT_CMD_UNLOCK_BL_MSB*/ - - return i2c_master_send(client, cmd, 2); -} - -int mxt_check_firmware(struct device *dev, int *ver) -{ -#if READ_FW_FROM_HEADER - struct firmware *fw = NULL; - fw = kzalloc(sizeof(struct firmware), GFP_KERNEL); - - fw->data = firmware_latest; - fw->size = sizeof(firmware_latest); - /*pr_info("size of firmware: %d", fw->size);*/ -#else - int ret; - const struct firmware *fw = NULL; - - ret = request_firmware(&fw, fn, dev); - if (ret < 0) { - pr_err("Unable to open firmware - %s : %s\n", __func__, fn); - return -ENOMEM; - } -#endif - *ver++ = fw->data[0]; - *ver = fw->data[1]; - - kfree(fw); - - return 0; -} -int mxt_load_firmware(struct device *dev, const char *fn) -{ - struct mxt_data *mxt = dev_get_drvdata(dev); - - unsigned int frame_size; - unsigned int pos = 0; - unsigned int retry; - int ret; - -#if READ_FW_FROM_HEADER - struct firmware *fw = NULL; - fw = kzalloc(sizeof(struct firmware), GFP_KERNEL); - - fw->data = firmware_latest; - fw->size = sizeof(firmware_latest); - /*pr_info("size of firmware: %d", fw->size);*/ -#else - const struct firmware *fw = NULL; - - ret = request_firmware(&fw, fn, dev); - if (ret < 0) { - dev_err(&client->dev, "Unable to open firmware %s\n", fn); - return -ENOMEM; - } -#endif - - /* set resets into bootloader mode */ - reset_chip(mxt, RESET_TO_BOOTLOADER); - msleep(250);/*mdelay(100);*/ - - /* change to slave address of bootloader */ - if (mxt->client->addr == MXT_I2C_APP_ADDR) { - pr_info("I2C address: 0x%02X --> 0x%02X", - MXT_I2C_APP_ADDR, MXT_I2C_BOOTLOADER_ADDR); - mxt->client->addr = MXT_I2C_BOOTLOADER_ADDR; - } - - ret = check_bootloader(mxt->client, WAITING_BOOTLOAD_COMMAND); - if (ret < 0) { - pr_err("... Waiting bootloader command: Failed"); - goto err_fw; - } - - /* unlock bootloader */ - unlock_bootloader(mxt->client); - msleep(200); /*mdelay(100);*/ - - /* reading the information of the firmware */ - pr_info("Firmware info: version [0x%02X], build [0x%02X]", - fw->data[0], fw->data[1]); - pr_info("Updating progress: "); - pos += 2; - - while (pos < fw->size) { - retry = 0; - ret = check_bootloader(mxt->client, WAITING_FRAME_DATA); - if (ret < 0) { - pr_err("... Waiting frame data: Failed"); - goto err_fw; - } - - frame_size = ((*(fw->data + pos) << 8) | *(fw->data + pos + 1)); - - /* We should add 2 at frame size as the the firmware data is not - * included the CRC bytes. - */ - frame_size += 2; - - /* write one frame to device */ -try_to_resend_the_last_frame: - i2c_master_send(mxt->client, - (u8 *)(fw->data + pos), frame_size); - - ret = check_bootloader(mxt->client, FRAME_CRC_PASS); - if (ret < 0) { - if (++retry < 10) { - /* recommendation from ATMEL*/ - check_bootloader(mxt->client, - WAITING_FRAME_DATA); - pr_info("We've got a FRAME_CRC_FAIL, so try again up to 10 times (count=%d)", - retry); - goto try_to_resend_the_last_frame; - } - pr_err("... CRC on the frame failed after 10 trials!"); - goto err_fw; - } - - pos += frame_size; - - pr_info("#"); - pr_info("%zd / %zd (bytes) updated...", pos, fw->size); - } - pr_info("\nUpdating firmware completed!\n"); - pr_info("note: You may need to reset this target.\n"); - -err_fw: - /* change to slave address of application */ - if (mxt->client->addr == MXT_I2C_BOOTLOADER_ADDR) { - pr_info("I2C address: 0x%02X --> 0x%02X", - MXT_I2C_BOOTLOADER_ADDR, MXT_I2C_APP_ADDR); - mxt->client->addr = MXT_I2C_APP_ADDR; - } - -#if READ_FW_FROM_HEADER - kfree(fw); -#endif - - return ret; -} - |