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CoolPi-Armbian-Rockchip-RK3.../drivers/input/touchscreen/focaltech_touch/focaltech_flash.c

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/*
*
* FocalTech fts TouchScreen driver.
*
* Copyright (c) 2012-2018, Focaltech Ltd. All rights reserved.
*
* 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.
*
*/
/*****************************************************************************
*
* File Name: focaltech_flash.c
*
* Author: Focaltech Driver Team
*
* Created: 2016-08-08
*
* Abstract:
*
* Reference:
*
*****************************************************************************/
/*****************************************************************************
* 1.Included header files
*****************************************************************************/
#include "focaltech_core.h"
#include "focaltech_flash.h"
#define vfs_read(fp, buf, len, pos) kernel_read(fp, buf, len, pos)
/*****************************************************************************
* Static variables
*****************************************************************************/
/*****************************************************************************
* Global variable or extern global variabls/functions
*****************************************************************************/
/* Upgrade FW/PRAMBOOT/LCD CFG */
u8 fw_file[] = {
#include FTS_UPGRADE_FW_FILE
};
u8 fw_file2[] = {
#include FTS_UPGRADE_FW2_FILE
};
u8 fw_file3[] = {
#include FTS_UPGRADE_FW3_FILE
};
struct upgrade_fw fw_list[] = {
{FTS_VENDOR_ID, fw_file, sizeof(fw_file)},
{FTS_VENDOR_ID2, fw_file2, sizeof(fw_file2)},
{FTS_VENDOR_ID3, fw_file3, sizeof(fw_file3)},
};
struct upgrade_func *upgrade_func_list[] = {
&upgrade_func_ft8006m,
};
struct fts_upgrade *fwupgrade = NULL;
/*****************************************************************************
* Static function prototypes
*****************************************************************************/
u16 fts_crc16_calc_host(u8 *pbuf, u16 length)
{
u16 ecc = 0;
u16 i = 0;
u16 j = 0;
for ( i = 0; i < length; i += 2 ) {
ecc ^= ((pbuf[i] << 8) | (pbuf[i + 1]));
for (j = 0; j < 16; j ++) {
if (ecc & 0x01)
ecc = (u16)((ecc >> 1) ^ AL2_FCS_COEF);
else
ecc >>= 1;
}
}
return ecc;
}
static u16 fts_pram_ecc_calc_host(u8 *pbuf, u16 length)
{
return fts_crc16_calc_host(pbuf, length);
}
/************************************************************************
* fts_pram_ecc_cal - Calculate and get pramboot ecc
*
* return pramboot ecc of tp if success, otherwise return error code
***********************************************************************/
static int fts_pram_ecc_cal_algo(
struct i2c_client *client,
u32 start_addr,
u32 ecc_length)
{
int ret = 0;
int i = 0;
int ecc = 0;
u8 val[2] = { 0 };
u8 cmd[FTS_ROMBOOT_CMD_ECC_NEW_LEN] = { 0 };
FTS_INFO("read out pramboot checksum");
cmd[0] = FTS_ROMBOOT_CMD_ECC;
cmd[1] = BYTE_OFF_16(start_addr);
cmd[2] = BYTE_OFF_8(start_addr);
cmd[3] = BYTE_OFF_0(start_addr);
cmd[4] = BYTE_OFF_16(ecc_length);
cmd[5] = BYTE_OFF_8(ecc_length);
cmd[6] = BYTE_OFF_0(ecc_length);
ret = fts_i2c_write(client, cmd, FTS_ROMBOOT_CMD_ECC_NEW_LEN);
if (ret < 0) {
FTS_ERROR("write pramboot ecc cal cmd fail");
return ret;
}
cmd[0] = FTS_ROMBOOT_CMD_ECC_FINISH;
for (i = 0; i < 100; i++) {
msleep(1);
ret = fts_i2c_read(client, cmd, 1, val, 1);
if (ret < 0) {
FTS_ERROR("ecc_finish read cmd fail");
return ret;
}
if (0 == val[0])
break;
}
if (i >= 100) {
FTS_ERROR("wait ecc finish fail");
return -EIO;
}
cmd[0] = FTS_CMD_READ_ECC;
ret = fts_i2c_read(client, cmd, 1, val, 2);
if (ret < 0) {
FTS_ERROR("read pramboot ecc fail");
return ret;
}
ecc = ((u16)(val[0] << 8) + val[1]) & 0x0000FFFF;
return ecc;
}
static int fts_pram_ecc_cal_xor(struct i2c_client *client)
{
int ret = 0;
u8 reg_val = 0;
FTS_INFO("read out pramboot checksum");
ret = fts_i2c_read_reg(client, FTS_ROMBOOT_CMD_ECC, &reg_val);
if (ret < 0) {
FTS_ERROR("read pramboot ecc fail");
return ret;
}
return (int)reg_val;
}
static int fts_pram_ecc_cal(struct i2c_client *client, u32 saddr, u32 len)
{
if ((NULL == fwupgrade) || (NULL == fwupgrade->func)) {
FTS_ERROR("fwupgrade/func is null");
return -EINVAL;
}
if (fwupgrade->func->newmode) {
return fts_pram_ecc_cal_algo(client, saddr, len);
} else {
return fts_pram_ecc_cal_xor(client);
}
}
/************************************************************************
* fts_pram_write_buf - write pramboot data and calculate ecc
*
* return pramboot ecc of host if success, otherwise return error code
***********************************************************************/
static int fts_pram_write_buf(struct i2c_client *client, u8 *buf, u32 len)
{
int ret = 0;
u32 i = 0;
u32 j = 0;
u32 offset = 0;
u32 remainder = 0;
u32 packet_number;
u32 packet_len = 0;
u8 packet_buf[FTS_FLASH_PACKET_LENGTH + FTS_CMD_WRITE_LEN] = { 0 };
u8 ecc_tmp = 0;
int ecc_in_host = 0;
FTS_INFO("write pramboot to pram");
if ((NULL == fwupgrade) || (NULL == fwupgrade->func)) {
FTS_ERROR("fwupgrade/func is null");
return -EINVAL;
}
if (NULL == buf) {
FTS_ERROR("pramboot buf is null");
return -EINVAL;
}
FTS_INFO("pramboot len=%d", len);
if ((len < PRAMBOOT_MIN_SIZE) || (len > PRAMBOOT_MAX_SIZE)) {
FTS_ERROR("pramboot length(%d) fail", len);
return -EINVAL;
}
packet_number = len / FTS_FLASH_PACKET_LENGTH;
remainder = len % FTS_FLASH_PACKET_LENGTH;
if (remainder > 0)
packet_number++;
packet_len = FTS_FLASH_PACKET_LENGTH;
packet_buf[0] = FTS_ROMBOOT_CMD_WRITE;
for (i = 0; i < packet_number; i++) {
offset = i * FTS_FLASH_PACKET_LENGTH;
packet_buf[1] = BYTE_OFF_16(offset);
packet_buf[2] = BYTE_OFF_8(offset);
packet_buf[3] = BYTE_OFF_0(offset);
/* last packet */
if ((i == (packet_number - 1)) && remainder)
packet_len = remainder;
packet_buf[4] = BYTE_OFF_8(packet_len);
packet_buf[5] = BYTE_OFF_0(packet_len);
for (j = 0; j < packet_len; j++) {
packet_buf[FTS_CMD_WRITE_LEN + j] = buf[offset + j];
if (!fwupgrade->func->newmode) {
ecc_tmp ^= packet_buf[FTS_CMD_WRITE_LEN + j];
}
}
ret = fts_i2c_write(client, packet_buf, packet_len + FTS_CMD_WRITE_LEN);
if (ret < 0) {
FTS_ERROR("pramboot write data(%d) fail", i);
return ret;
}
}
if (fwupgrade->func->newmode) {
ecc_in_host = (int)fts_pram_ecc_calc_host(buf, len);
} else {
ecc_in_host = (int)ecc_tmp;
}
return ecc_in_host;
}
/************************************************************************
* fts_pram_start - remap to start pramboot
*
* return 0 if success, otherwise return error code
***********************************************************************/
static int fts_pram_start(struct i2c_client *client)
{
u8 cmd = FTS_ROMBOOT_CMD_START_APP;
int ret = 0;
FTS_INFO("remap to start pramboot");
ret = fts_i2c_write(client, &cmd, 1);
if (ret < 0) {
FTS_ERROR("write start pram cmd fail");
return ret;
}
msleep(FTS_DELAY_PRAMBOOT_START);
return 0;
}
/************************************************************************
* fts_pram_write_remap - write pramboot to pram and start pramboot
*
* return 0 if success, otherwise return error code
***********************************************************************/
static int fts_pram_write_remap(struct i2c_client *client)
{
int ret = 0;
int ecc_in_host = 0;
int ecc_in_tp = 0;
u8 *pb_buf = NULL;
u32 pb_len = 0;
struct fts_upgrade *upg = fwupgrade;
FTS_INFO("write pram and remap");
if (!upg || !upg->func || !upg->func->pramboot) {
FTS_ERROR("upgrade/pramboot is null");
return -EINVAL;
}
if (upg->func->pb_length < FTS_MIN_LEN) {
FTS_ERROR("pramboot length(%d) fail", upg->func->pb_length);
return -EINVAL;
}
pb_buf = upg->func->pramboot;
pb_len = upg->func->pb_length;
/* write pramboot to pram */
ecc_in_host = fts_pram_write_buf(client, pb_buf, pb_len);
if (ecc_in_host < 0) {
FTS_ERROR( "write pramboot fail");
return ecc_in_host;
}
/* read out checksum */
ecc_in_tp = fts_pram_ecc_cal(client, 0, pb_len);
if (ecc_in_tp < 0) {
FTS_ERROR( "read pramboot ecc fail");
return ecc_in_tp;
}
FTS_INFO("pram ecc in tp:%x, host:%x", ecc_in_tp, ecc_in_host);
/* pramboot checksum != fw checksum, upgrade fail */
if (ecc_in_host != ecc_in_tp) {
FTS_ERROR("pramboot ecc check fail");
return -EIO;
}
/*start pram*/
ret = fts_pram_start(client);
if (ret < 0) {
FTS_ERROR("pram start fail");
return ret;
}
return 0;
}
/************************************************************************
* fts_pram_init - initialize pramboot
*
* return 0 if success, otherwise return error code
***********************************************************************/
static int fts_pram_init(struct i2c_client *client)
{
int ret = 0;
u8 reg_val = 0;
u8 wbuf[3] = { 0 };
FTS_INFO("pramboot initialization");
/* read flash ID */
wbuf[0] = FTS_CMD_FLASH_TYPE;
ret = fts_i2c_read(client, wbuf, 1, &reg_val, 1);
if (ret < 0) {
FTS_ERROR("read flash type fail");
return ret;
}
/* set flash clk */
wbuf[0] = FTS_CMD_FLASH_TYPE;
wbuf[1] = reg_val;
wbuf[2] = 0x00;
ret = fts_i2c_write(client, wbuf, 3);
if (ret < 0) {
FTS_ERROR("write flash type fail");
return ret;
}
return 0;
}
/************************************************************************
* Name: fts_pram_write_init
* Brief: wirte pramboot to pram and initialize
* Input:
* Output:
* Return: return 0 if success, otherwise return error code
***********************************************************************/
static int fts_pram_write_init(struct i2c_client *client)
{
int ret = 0;
bool state = 0;
enum FW_STATUS status = FTS_RUN_IN_ERROR;
struct fts_upgrade *upg = fwupgrade;
FTS_INFO("**********pram write and init**********");
if ((NULL == upg) || (NULL == upg->func)) {
FTS_ERROR("upgrade/func is null");
return -EINVAL;
}
if (!upg->func->pramboot_supported) {
FTS_ERROR("ic not support pram");
return -EINVAL;
}
FTS_DEBUG("check whether tp is in romboot or not ");
/* need reset to romboot when non-romboot state */
fts_fwupg_get_boot_state(client, &status);
if (status != FTS_RUN_IN_ROM) {
if (FTS_RUN_IN_PRAM == status) {
FTS_INFO("tp is in pramboot, need send reset cmd before upgrade");
ret = fts_pram_init(client);
if (ret < 0) {
FTS_ERROR("pramboot(before) init fail");
return ret;
}
}
FTS_INFO("tp isn't in romboot, need send reset to romboot");
ret = fts_fwupg_reset_to_romboot(client);
if (ret < 0) {
FTS_ERROR("reset to romboot fail");
return ret;
}
}
/* check the length of the pramboot */
ret = fts_pram_write_remap(client);
if (ret < 0) {
FTS_ERROR("pram write fail, ret=%d", ret);
return ret;
}
FTS_DEBUG("after write pramboot, confirm run in pramboot");
state = fts_fwupg_check_state(client, FTS_RUN_IN_PRAM);
if (!state) {
FTS_ERROR("not in pramboot");
return -EIO;
}
ret = fts_pram_init(client);
if (ret < 0) {
FTS_ERROR("pramboot init fail");
return ret;
}
return 0;
}
/************************************************************************
* Name: fts_fwupg_check_fw_valid
* Brief: check fw in tp is valid or not
* Input:
* Output:
* Return: return true if fw is valid, otherwise return false
***********************************************************************/
bool fts_fwupg_check_fw_valid(struct i2c_client *client)
{
int ret = 0;
ret = fts_wait_tp_to_valid(client);
if (ret < 0) {
FTS_INFO("tp fw invaild");
return false;
}
FTS_INFO("tp fw vaild");
return true;
}
/************************************************************************
* Name: fts_fwupg_get_boot_state
* Brief: read boot id(rom/pram/bootloader), confirm boot environment
* Input:
* Output:
* Return: return 0 if success, otherwise return error code
***********************************************************************/
int fts_fwupg_get_boot_state(struct i2c_client *client, enum FW_STATUS *fw_sts)
{
int ret = 0;
u8 cmd[4] = { 0 };
u32 cmd_len = 0;
u8 val[2] = { 0 };
struct ft_chip_t ids = fts_data->ic_info.ids;
struct fts_upgrade *upg = fwupgrade;
FTS_INFO("**********read boot id**********");
if ((NULL == fw_sts) || (NULL == upg) || (NULL == upg->func)) {
FTS_ERROR("upgrade/func/fw_sts is null");
return -EINVAL;
}
if (upg->func->hid_supported)
fts_i2c_hid2std(client);
cmd[0] = FTS_CMD_START1;
cmd[1] = FTS_CMD_START2;
ret = fts_i2c_write(client, cmd, 2);
if (ret < 0) {
FTS_ERROR("write 55 aa cmd fail");
return ret;
}
msleep(FTS_CMD_START_DELAY);
cmd[0] = FTS_CMD_READ_ID;
cmd[1] = cmd[2] = cmd[3] = 0x00;
if (fts_data->ic_info.is_incell)
cmd_len = FTS_CMD_READ_ID_LEN_INCELL;
else
cmd_len = FTS_CMD_READ_ID_LEN;
ret = fts_i2c_read(client, cmd, cmd_len, val, 2);
if (ret < 0) {
FTS_ERROR("write 90 cmd fail");
return ret;
}
FTS_INFO("read boot id:0x%02x%02x", val[0], val[1]);
if ((val[0] == ids.rom_idh) && (val[1] == ids.rom_idl)) {
FTS_INFO("tp run in romboot");
*fw_sts = FTS_RUN_IN_ROM;
} else if ((val[0] == ids.pb_idh) && (val[1] == ids.pb_idl)) {
FTS_INFO("tp run in pramboot");
*fw_sts = FTS_RUN_IN_PRAM;
} else if ((val[0] == ids.bl_idh) && (val[1] == ids.bl_idl)) {
FTS_INFO("tp run in bootloader");
*fw_sts = FTS_RUN_IN_BOOTLOADER;
}
return 0;
}
/************************************************************************
* Name: fts_fwupg_check_state
* Brief: confirm tp run in romboot/pramboot/bootloader
* Input:
* Output:
* Return: return true if state is match, otherwise return false
***********************************************************************/
bool fts_fwupg_check_state(struct i2c_client *client, enum FW_STATUS rstate)
{
int i = 0;
enum FW_STATUS cstate = FTS_RUN_IN_ERROR;
for (i = 0; i < FTS_UPGRADE_LOOP; i++) {
fts_fwupg_get_boot_state(client, &cstate);
/* FTS_DEBUG("fw state=%d, retries=%d", cstate, i); */
if (cstate == rstate)
return true;
msleep(FTS_DELAY_READ_ID);
}
return false;
}
/************************************************************************
* Name: fts_fwupg_reset_in_boot
* Brief: RST CMD(07), reset to romboot(bootloader) in boot environment
* Input:
* Output:
* Return: return 0 if success, otherwise return error code
***********************************************************************/
int fts_fwupg_reset_in_boot(struct i2c_client *client)
{
int ret = 0;
u8 cmd = FTS_CMD_RESET;
FTS_INFO("reset in boot environment");
ret = fts_i2c_write(client, &cmd, 1);
if (ret < 0) {
FTS_ERROR("pram/rom/bootloader reset cmd write fail");
return ret;
}
msleep(FTS_DELAY_UPGRADE_RESET);
return 0;
}
/************************************************************************
* Name: fts_fwupg_reset_to_boot
* Brief: reset to boot environment
* Input:
* Output:
* Return: return 0 if success, otherwise return error code
***********************************************************************/
int fts_fwupg_reset_to_boot(struct i2c_client *client)
{
int ret = 0;
FTS_INFO("send 0xAA and 0x55 to FW, reset to boot environment");
ret = fts_i2c_write_reg(client, FTS_REG_UPGRADE, FTS_UPGRADE_AA);
if (ret < 0) {
FTS_ERROR("write FC=0xAA fail");
return ret;
}
msleep(FTS_DELAY_FC_AA);
ret = fts_i2c_write_reg(client, FTS_REG_UPGRADE, FTS_UPGRADE_55);
if (ret < 0) {
FTS_ERROR("write FC=0x55 fail");
return ret;
}
msleep(FTS_DELAY_UPGRADE_RESET);
return 0;
}
/************************************************************************
* Name: fts_fwupg_reset_to_romboot
* Brief: reset to romboot, to load pramboot
* Input:
* Output:
* Return: return 0 if success, otherwise return error code
***********************************************************************/
int fts_fwupg_reset_to_romboot(struct i2c_client *client)
{
int ret = 0;
int i = 0;
u8 cmd = FTS_CMD_RESET;
enum FW_STATUS state = FTS_RUN_IN_ERROR;
ret = fts_i2c_write(client, &cmd, 1);
if (ret < 0) {
FTS_ERROR("pram/rom/bootloader reset cmd write fail");
return ret;
}
mdelay(10);
for (i = 0; i < FTS_UPGRADE_LOOP; i++) {
fts_fwupg_get_boot_state(client, &state);
if (FTS_RUN_IN_ROM == state)
break;
mdelay(5);
}
if (i >= FTS_UPGRADE_LOOP) {
FTS_ERROR("reset to romboot fail");
return -EIO;
}
return 0;
}
/************************************************************************
* Name: fts_fwupg_enter_into_boot
* Brief: enter into boot environment, ready for upgrade
* Input:
* Output:
* Return: return 0 if success, otherwise return error code
***********************************************************************/
int fts_fwupg_enter_into_boot(struct i2c_client *client)
{
int ret = 0;
bool fwvalid = false;
bool state = false;
struct fts_upgrade *upg = fwupgrade;
FTS_INFO("***********enter into pramboot/bootloader***********");
if ((NULL == upg) || (NULL == upg->func)) {
FTS_ERROR("upgrade/func is null");
return -EINVAL;
}
fwvalid = fts_fwupg_check_fw_valid(client);
if (fwvalid) {
ret = fts_fwupg_reset_to_boot(client);
if (ret < 0) {
FTS_ERROR("enter into romboot/bootloader fail");
return ret;
}
} else if (upg->func->read_boot_id_need_reset) {
ret = fts_fwupg_reset_in_boot(client);
if (ret < 0) {
FTS_ERROR("reset before read boot id when fw invalid fail");
return ret;
}
}
if (upg->func->pramboot_supported) {
FTS_INFO("pram supported, write pramboot and init");
/* pramboot */
ret = fts_pram_write_init(client);
if (ret < 0) {
FTS_ERROR("pram write_init fail");
return ret;
}
} else {
FTS_DEBUG("pram not supported, confirm in bootloader");
/* bootloader */
state = fts_fwupg_check_state(client, FTS_RUN_IN_BOOTLOADER);
if (!state) {
FTS_ERROR("fw not in bootloader, fail");
return -EIO;
}
}
return 0;
}
/************************************************************************
* Name: fts_fwupg_check_flash_status
* Brief: read status from tp
* Input: flash_status: correct value from tp
* retries: read retry times
* retries_delay: retry delay
* Output:
* Return: return true if flash status check pass, otherwise return false
***********************************************************************/
static bool fts_fwupg_check_flash_status(
struct i2c_client *client,
u16 flash_status,
int retries,
int retries_delay)
{
int i = 0;
u8 cmd = 0;
u8 val[FTS_CMD_FLASH_STATUS_LEN] = { 0 };
u16 read_status = 0;
for (i = 0; i < retries; i++) {
cmd = FTS_CMD_FLASH_STATUS;
fts_i2c_read(client, &cmd , 1, val, FTS_CMD_FLASH_STATUS_LEN);
read_status = (((u16)val[0]) << 8) + val[1];
if (flash_status == read_status) {
/* FTS_DEBUG("[UPGRADE]flash status ok"); */
return true;
}
/* FTS_DEBUG("flash status fail,ok:%04x read:%04x, retries:%d", flash_status, read_status, i); */
msleep(retries_delay);
}
return false;
}
/************************************************************************
* Name: fts_fwupg_erase
* Brief: erase flash area
* Input: delay - delay after erase
* Output:
* Return: return 0 if success, otherwise return error code
***********************************************************************/
int fts_fwupg_erase(struct i2c_client *client, u32 delay)
{
int ret = 0;
u8 cmd = 0;
bool flag = false;
FTS_INFO("**********erase now**********");
/*send to erase flash*/
cmd = FTS_CMD_ERASE_APP;
ret = fts_i2c_write(client, &cmd, 1);
if (ret < 0) {
FTS_ERROR("erase cmd fail");
return ret;
}
msleep(delay);
/* read status 0xF0AA: success */
flag = fts_fwupg_check_flash_status(client, FTS_CMD_FLASH_STATUS_ERASE_OK,
FTS_RETRIES_REASE, FTS_RETRIES_DELAY_REASE);
if (!flag) {
FTS_ERROR("ecc flash status check fail");
return -EIO;
}
return 0;
}
/************************************************************************
* Name: fts_fwupg_ecc_cal
* Brief: calculate and get ecc from tp
* Input: saddr - start address need calculate ecc
* len - length need calculate ecc
* Output:
* Return: return data ecc of tp if success, otherwise return error code
***********************************************************************/
int fts_fwupg_ecc_cal(struct i2c_client *client, u32 saddr, u32 len)
{
int ret = 0;
u32 i = 0;
u8 wbuf[FTS_CMD_ECC_CAL_LEN] = { 0 };
u8 val[FTS_CMD_FLASH_STATUS_LEN] = { 0 };
int ecc = 0;
int ecc_len = 0;
u32 packet_num = 0;
u32 packet_len = 0;
u32 remainder = 0;
u32 addr = 0;
u32 offset = 0;
struct fts_upgrade *upg = fwupgrade;
FTS_INFO( "**********read out checksum**********");
if ((NULL == upg) || (NULL == upg->func)) {
FTS_ERROR("upgrade/func is null");
return -EINVAL;
}
/* check sum init */
wbuf[0] = FTS_CMD_ECC_INIT;
ret = fts_i2c_write(client, wbuf, 1);
if (ret < 0) {
FTS_ERROR("ecc init cmd write fail");
return ret;
}
packet_num = len / FTS_MAX_LEN_ECC_CALC;
remainder = len % FTS_MAX_LEN_ECC_CALC;
if (remainder)
packet_num++;
packet_len = FTS_MAX_LEN_ECC_CALC;
FTS_INFO("ecc calc num:%d, remainder:%d", packet_num, remainder);
/* send commond to start checksum */
wbuf[0] = FTS_CMD_ECC_CAL;
for (i = 0; i < packet_num; i++) {
offset = FTS_MAX_LEN_ECC_CALC * i;
addr = saddr + offset;
wbuf[1] = BYTE_OFF_16(addr);
wbuf[2] = BYTE_OFF_8(addr);
wbuf[3] = BYTE_OFF_0(addr);
if ((i == (packet_num - 1)) && remainder)
packet_len = remainder;
wbuf[4] = BYTE_OFF_8(packet_len);
wbuf[5] = BYTE_OFF_0(packet_len);
FTS_DEBUG("ecc calc startaddr:0x%04x, len:%d", addr, packet_len);
ret = fts_i2c_write(client, wbuf, FTS_CMD_ECC_CAL_LEN);
if (ret < 0) {
FTS_ERROR("ecc calc cmd write fail");
return ret;
}
msleep(packet_len / 256);
/* read status if check sum is finished */
ret = fts_fwupg_check_flash_status(client, FTS_CMD_FLASH_STATUS_ECC_OK,
FTS_RETRIES_ECC_CAL, FTS_RETRIES_DELAY_ECC_CAL);
if (ret < 0) {
FTS_ERROR("ecc flash status read fail");
return ret;
}
}
ecc_len = 1;
if (ECC_CHECK_MODE_CRC16 == upg->func->ecc_check_mode) {
ecc_len = 2;
}
/* read out check sum */
wbuf[0] = FTS_CMD_ECC_READ;
ret = fts_i2c_read(client, wbuf, 1, val, ecc_len);
if (ret < 0) {
FTS_ERROR( "ecc read cmd write fail");
return ret;
}
if (ECC_CHECK_MODE_CRC16 == upg->func->ecc_check_mode) {
ecc = (int)((u16)(val[0] << 8) + val[1]);
} else {
ecc = (int)val[0];
}
return ecc;
}
/************************************************************************
* Name: fts_flash_write_buf
* Brief: write buf data to flash address
* Input: saddr - start address data write to flash
* buf - data buffer
* len - data length
* delay - delay after write
* Output:
* Return: return data ecc of host if success, otherwise return error code
***********************************************************************/
int fts_flash_write_buf(
struct i2c_client *client,
u32 saddr,
u8 *buf,
u32 len,
u32 delay)
{
int ret = 0;
u32 i = 0;
u32 j = 0;
u32 packet_number = 0;
u32 packet_len = 0;
u32 addr = 0;
u32 offset = 0;
u32 remainder = 0;
u8 packet_buf[FTS_FLASH_PACKET_LENGTH + FTS_CMD_WRITE_LEN] = { 0 };
u8 ecc_in_host = 0;
u8 cmd = 0;
u8 val[FTS_CMD_FLASH_STATUS_LEN] = { 0 };
u16 read_status = 0;
u16 wr_ok = 0;
FTS_INFO( "**********write data to flash**********");
if ((NULL == buf) || (0 == len)) {
FTS_ERROR("buf is NULL or len is 0");
return -EINVAL;
}
FTS_INFO("data buf start addr=0x%x, len=0x%x", saddr, len);
packet_number = len / FTS_FLASH_PACKET_LENGTH;
remainder = len % FTS_FLASH_PACKET_LENGTH;
if (remainder > 0)
packet_number++;
packet_len = FTS_FLASH_PACKET_LENGTH;
FTS_INFO("write data, num:%d remainder:%d", packet_number, remainder);
packet_buf[0] = FTS_CMD_WRITE;
for (i = 0; i < packet_number; i++) {
offset = i * FTS_FLASH_PACKET_LENGTH;
addr = saddr + offset;
packet_buf[1] = BYTE_OFF_16(addr);
packet_buf[2] = BYTE_OFF_8(addr);
packet_buf[3] = BYTE_OFF_0(addr);
/* last packet */
if ((i == (packet_number - 1)) && remainder)
packet_len = remainder;
packet_buf[4] = BYTE_OFF_8(packet_len);
packet_buf[5] = BYTE_OFF_0(packet_len);
for (j = 0; j < packet_len; j++) {
packet_buf[FTS_CMD_WRITE_LEN + j] = buf[offset + j];
ecc_in_host ^= packet_buf[FTS_CMD_WRITE_LEN + j];
}
ret = fts_i2c_write(client, packet_buf, packet_len + FTS_CMD_WRITE_LEN);
if (ret < 0) {
FTS_ERROR("app write fail");
return ret;
}
mdelay(delay);
/* read status */
wr_ok = FTS_CMD_FLASH_STATUS_WRITE_OK + addr / packet_len;
for (j = 0; j < FTS_RETRIES_WRITE; j++) {
cmd = FTS_CMD_FLASH_STATUS;
fts_i2c_read(client, &cmd , 1, val, FTS_CMD_FLASH_STATUS_LEN);
read_status = (((u16)val[0]) << 8) + val[1];
/* FTS_INFO("%x %x", wr_ok, read_status); */
if (wr_ok == read_status) {
break;
}
mdelay(FTS_RETRIES_DELAY_WRITE);
}
}
return (int)ecc_in_host;
}
#if FTS_AUTO_UPGRADE_EN
/************************************************************************
* Name: fts_flash_read_buf
* Brief: read data from flash
* Input: saddr - start address data write to flash
* buf - buffer to store data read from flash
* len - read length
* Output:
* Return: return 0 if success, otherwise return error code
*
* Warning: can't call this function directly, need call in boot environment
***********************************************************************/
static int fts_flash_read_buf(struct i2c_client *client, u32 saddr, u8 *buf, u32 len)
{
int ret = 0;
u32 i = 0;
u32 packet_number = 0;
u32 packet_len = 0;
u32 addr = 0;
u32 offset = 0;
u32 remainder = 0;
u8 wbuf[FTS_CMD_READ_LEN];
if ((NULL == buf) || (0 == len)) {
FTS_ERROR("buf is NULL or len is 0");
return -EINVAL;
}
packet_number = len / FTS_FLASH_PACKET_LENGTH;
remainder = len % FTS_FLASH_PACKET_LENGTH;
if (remainder > 0) {
packet_number++;
}
packet_len = FTS_FLASH_PACKET_LENGTH;
FTS_INFO("read packet_number:%d, remainder:%d", packet_number, remainder);
wbuf[0] = FTS_CMD_READ;
for (i = 0; i < packet_number; i++) {
offset = i * FTS_FLASH_PACKET_LENGTH;
addr = saddr + offset;
wbuf[1] = BYTE_OFF_16(addr);
wbuf[2] = BYTE_OFF_8(addr);
wbuf[3] = BYTE_OFF_0(addr);
/* last packet */
if ((i == (packet_number - 1)) && remainder)
packet_len = remainder;
ret = fts_i2c_write(client, wbuf, FTS_CMD_READ_LEN);
if (ret < 0) {
FTS_ERROR("pram/bootloader write 03 command fail");
return ret;
}
msleep(FTS_CMD_READ_DELAY); /* must wait, otherwise read wrong data */
ret = fts_i2c_read(client, NULL, 0, buf + offset, packet_len);
if (ret < 0) {
FTS_ERROR("pram/bootloader read 03 command fail");
return ret;
}
}
return 0;
}
/************************************************************************
* Name: fts_flash_read
* Brief:
* Input: addr - address of flash
* len - length of read
* Output: buf - data read from flash
* Return: return 0 if success, otherwise return error code
***********************************************************************/
static int fts_flash_read(struct i2c_client *client, u32 addr, u8 *buf, u32 len)
{
int ret = 0;
FTS_INFO("***********read flash***********");
if ((NULL == buf) || (0 == len)) {
FTS_ERROR("buf is NULL or len is 0");
return -EINVAL;
}
ret = fts_fwupg_enter_into_boot(client);
if (ret < 0) {
FTS_ERROR("enter into pramboot/bootloader fail");
goto read_flash_err;
}
ret = fts_flash_read_buf(client, addr, buf, len);
if (ret < 0) {
FTS_ERROR("read flash fail");
goto read_flash_err;
}
read_flash_err:
/* reset to normal boot */
ret = fts_fwupg_reset_in_boot(client);
if (ret < 0) {
FTS_ERROR("reset to normal boot fail");
}
return ret;
}
#endif /* FTS_AUTO_UPGRADE_EN */
/************************************************************************
* Name: fts_read_file
* Brief: read file
* Input: file name
* Output:
* Return: return file len if succuss, otherwise return error code
***********************************************************************/
static int fts_read_file(char *file_name, u8 **file_buf)
{
int ret = 0;
char file_path[FILE_NAME_LENGTH] = { 0 };
struct file *filp = NULL;
struct inode *inode;
loff_t pos;
loff_t file_len = 0;
if ((NULL == file_name) || (NULL == file_buf)) {
FTS_ERROR("filename/filebuf is NULL");
return -EINVAL;
}
snprintf(file_path, FILE_NAME_LENGTH, "%s%s", FTS_FW_BIN_FILEPATH, file_name);
filp = filp_open(file_path, O_RDONLY, 0);
if (IS_ERR(filp)) {
FTS_ERROR("open %s file fail", file_path);
return -ENOENT;
}
#if 1
inode = filp->f_inode;
#else
/* reserved for linux earlier verion */
inode = filp->f_dentry->d_inode;
#endif
file_len = inode->i_size;
*file_buf = (u8 *)vmalloc(file_len);
if (NULL == *file_buf) {
FTS_ERROR("file buf malloc fail");
filp_close(filp, NULL);
return -ENOMEM;
}
pos = 0;
ret = vfs_read(filp, *file_buf, file_len , &pos);
if (ret < 0)
FTS_ERROR("read file fail");
FTS_INFO("file len:%d read len:%d pos:%d", (u32)file_len, ret, (u32)pos);
filp_close(filp, NULL);
return ret;
}
/************************************************************************
* Name: fts_upgrade_bin
* Brief:
* Input:
* Output:
* Return: return 0 if success, otherwise return error code
***********************************************************************/
int fts_upgrade_bin(struct i2c_client *client, char *fw_name, bool force)
{
int ret = 0;
u32 fw_file_len = 0;
u8 *fw_file_buf = NULL;
struct fts_upgrade *upg = fwupgrade;
FTS_INFO("start upgrade with fw bin");
if ((NULL == upg) || (NULL == upg->func)) {
FTS_ERROR("upgrade/func is null");
return -EINVAL;
}
ret = fts_read_file(fw_name, &fw_file_buf);
if ((ret < 0) || (ret < FTS_MIN_LEN) || (ret > FTS_MAX_LEN_FILE)) {
FTS_ERROR("read fw bin file(sdcard) fail, len:%d", ret);
goto err_bin;
}
fw_file_len = ret;
FTS_INFO("fw bin file len:%d", fw_file_len);
if (force) {
if (upg->func->force_upgrade) {
ret = upg->func->force_upgrade(client, fw_file_buf, fw_file_len);
} else {
FTS_INFO("force_upgrade function is null, no upgrade");
goto err_bin;
}
} else {
#if FTS_AUTO_LIC_UPGRADE_EN
if (upg->func->lic_upgrade) {
ret = upg->func->lic_upgrade(client, fw_file_buf, fw_file_len);
} else {
FTS_INFO("lic_upgrade function is null, no upgrade");
}
#endif
if (upg->func->upgrade) {
ret = upg->func->upgrade(client, fw_file_buf, fw_file_len);
} else {
FTS_INFO("upgrade function is null, no upgrade");
}
}
if (ret < 0) {
FTS_ERROR("upgrade fw bin failed");
fts_fwupg_reset_in_boot(client);
goto err_bin;
}
FTS_INFO("upgrade fw bin success");
err_bin:
if (fw_file_buf) {
vfree(fw_file_buf);
fw_file_buf = NULL;
}
return ret;
}
#if (FTS_AUTO_LIC_UPGRADE_EN && FTS_AUTO_UPGRADE_EN)
static int fts_lic_get_vid_in_tp(struct i2c_client *client, u16 *vid)
{
int ret = 0;
u8 val[2] = { 0 };
if (NULL == vid) {
FTS_ERROR("vid is NULL");
return -EINVAL;
}
ret = fts_i2c_read_reg(client, FTS_REG_VENDOR_ID, &val[0]);
if (fts_data->ic_info.is_incell)
ret = fts_i2c_read_reg(client, FTS_REG_MODULE_ID, &val[1]);
if (ret < 0) {
FTS_ERROR("read vid from tp fail");
return ret;
}
*vid = *(u16 *)val;
return 0;
}
static int fts_lic_get_vid_in_host(u16 *vid)
{
u8 val[2] = { 0 };
u8 *licbuf = NULL;
u32 conf_saddr = 0;
struct fts_upgrade *upg = fwupgrade;
if (!upg || !upg->func || !upg->lic || !vid) {
FTS_ERROR("upgrade/func/get_hlic_ver/lic/vid is null");
return -EINVAL;
}
if (upg->lic_length < FTS_MAX_LEN_SECTOR) {
FTS_ERROR("lic length(%x) fail", upg->lic_length);
return -EINVAL;
}
licbuf = upg->lic;
conf_saddr = upg->func->fwcfgoff;
val[0] = licbuf[conf_saddr + FTS_CONIFG_VENDORID_OFF];
if (fts_data->ic_info.is_incell)
val[1] = licbuf[conf_saddr + FTS_CONIFG_MODULEID_OFF];
*vid = *(u16 *)val;
return 0;
}
static int fts_lic_get_ver_in_tp(struct i2c_client *client, u8 *ver)
{
int ret = 0;
if (NULL == ver) {
FTS_ERROR("ver is NULL");
return -EINVAL;
}
ret = fts_i2c_read_reg(client, FTS_REG_LIC_VER, ver);
if (ret < 0) {
FTS_ERROR("read lcd initcode ver from tp fail");
return ret;
}
return 0;
}
static int fts_lic_get_ver_in_host(u8 *ver)
{
int ret = 0;
struct fts_upgrade *upg = fwupgrade;
if (!upg || !upg->func || !upg->func->get_hlic_ver || !upg->lic) {
FTS_ERROR("upgrade/func/get_hlic_ver/lic is null");
return -EINVAL;
}
ret = upg->func->get_hlic_ver(upg->lic);
if (ret < 0) {
FTS_ERROR("get host lcd initial code version fail");
return ret;
}
*ver = (u8)ret;
return ret;
}
/* check if lcd init code need upgrade
* true-need false-no need
*/
static bool fts_lic_need_upgrade(struct i2c_client *client)
{
int ret = 0;
u8 initcode_ver_in_tp = 0;
u8 initcode_ver_in_host = 0;
u16 vid_in_tp = 0;
u16 vid_in_host = 0;
bool fwvalid = false;
fwvalid = fts_fwupg_check_fw_valid(client);
if ( !fwvalid) {
FTS_INFO("fw is invalid, no upgrade lcd init code");
return false;
}
ret = fts_lic_get_vid_in_host(&vid_in_host);
if (ret < 0) {
FTS_ERROR("vendor id in host invalid");
return false;
}
ret = fts_lic_get_vid_in_tp(client, &vid_in_tp);
if (ret < 0) {
FTS_ERROR("vendor id in tp invalid");
return false;
}
FTS_DEBUG("vid in tp:0x%04x, host:0x%04x", vid_in_tp, vid_in_host);
if (vid_in_tp != vid_in_host) {
FTS_INFO("vendor id in tp&host are different, no upgrade lic");
return false;
}
ret = fts_lic_get_ver_in_host(&initcode_ver_in_host);
if (ret < 0) {
FTS_ERROR("init code in host invalid");
return false;
}
ret = fts_lic_get_ver_in_tp(client, &initcode_ver_in_tp);
if (ret < 0) {
FTS_ERROR("read reg0xE4 fail");
return false;
}
FTS_DEBUG("lcd initial code version in tp:%x, host:%x",
initcode_ver_in_tp, initcode_ver_in_host);
if (0xA5 == initcode_ver_in_tp) {
FTS_INFO("lcd init code ver is 0xA5, don't upgade init code");
return false;
} else if (0xFF == initcode_ver_in_tp) {
FTS_DEBUG("lcd init code in tp is invalid, need upgrade init code");
return true;
} else if (initcode_ver_in_tp < initcode_ver_in_host)
return true;
else
return false;
}
static int fts_lic_upgrade(struct i2c_client *client, struct fts_upgrade *upg)
{
int ret = 0;
bool hlic_upgrade = false;
int upgrade_count = 0;
u8 ver = 0;
FTS_INFO("lcd initial code auto upgrade function");
if ((!upg) || (!upg->func) || (!upg->func->lic_upgrade)) {
FTS_ERROR("lcd upgrade function is null");
return -EINVAL;
}
hlic_upgrade = fts_lic_need_upgrade(client);
FTS_INFO("lcd init code upgrade flag:%d", hlic_upgrade);
if (hlic_upgrade) {
FTS_INFO("lcd initial code need upgrade, upgrade begin...");
do {
FTS_INFO("lcd initial code upgrade times:%d", upgrade_count);
upgrade_count++;
ret = upg->func->lic_upgrade(client, upg->lic, upg->lic_length);
if (ret < 0) {
fts_fwupg_reset_in_boot(client);
} else {
fts_lic_get_ver_in_tp(client, &ver);
FTS_INFO("success upgrade to lcd initcode ver:%02x", ver);
break;
}
} while (upgrade_count < 2);
} else {
FTS_INFO("lcd initial code don't need upgrade");
}
return ret;
}
#endif /* FTS_AUTO_LIC_UPGRADE_EN && FTS_AUTO_UPGRADE_EN */
static int fts_param_get_ver_in_tp(struct i2c_client *client, u8 *ver)
{
int ret = 0;
if (NULL == ver) {
FTS_ERROR("ver is NULL");
return -EINVAL;
}
ret = fts_i2c_read_reg(client, FTS_REG_IDE_PARA_VER_ID, ver);
if (ret < 0) {
FTS_ERROR("read fw param ver from tp fail");
return ret;
}
if ((0x00 == *ver) || (0xFF == *ver)) {
FTS_INFO("param version in tp invalid");
return -EIO;
}
return 0;
}
static int fts_param_get_ver_in_host(u8 *ver)
{
struct fts_upgrade *upg = fwupgrade;
if ((!upg) || (!upg->func) || (!upg->fw) || (!ver)) {
FTS_ERROR("fts_data/upgrade/func/fw/ver is NULL");
return -EINVAL;
}
if (upg->fw_length < upg->func->paramcfgveroff) {
FTS_ERROR("fw len(%x) < paramcfg ver offset(%x)",
upg->fw_length, upg->func->paramcfgveroff);
return -EINVAL;
}
FTS_INFO("fw paramcfg version offset:%x", upg->func->paramcfgveroff);
*ver = upg->fw[upg->func->paramcfgveroff];
if ((0x00 == *ver) || (0xFF == *ver)) {
FTS_INFO("param version in host invalid");
return -EIO;
}
return 0;
}
/*
* return: < 0 : error
* == 0: no ide
* == 1: ide
*/
static int fts_param_ide_in_host(void)
{
u32 off = 0;
struct fts_upgrade *upg = fwupgrade;
if ((!upg) || (!upg->func) || (!upg->fw)) {
FTS_ERROR("fts_data/upgrade/func/fw is NULL");
return -EINVAL;
}
if (upg->fw_length < upg->func->paramcfgoff + FTS_FW_IDE_SIG_LEN) {
FTS_INFO("fw len(%x) < paramcfg offset(%x), no IDE",
upg->fw_length, upg->func->paramcfgoff + FTS_FW_IDE_SIG_LEN);
return 0;
}
off = upg->func->paramcfgoff;
if (0 == memcmp(&upg->fw[off], FTS_FW_IDE_SIG, FTS_FW_IDE_SIG_LEN)) {
FTS_INFO("fw in host is IDE version");
return 1;
}
FTS_INFO("fw in host isn't IDE version");
return 0;
}
/*
* return: < 0 : error
* 0 : no ide
* 1 : ide
*/
static int fts_param_ide_in_tp(struct i2c_client *client, u8 *val)
{
int ret = 0;
ret = fts_i2c_read_reg(client, FTS_REG_IDE_PARA_STATUS, val);
if (ret < 0) {
FTS_ERROR("read IDE PARAM STATUS in tp fail");
return ret;
}
if ((*val != 0xFF) && ((*val & 0x80) == 0x80)) {
FTS_INFO("fw in tp is IDE version");
return 1;
}
FTS_INFO("fw in tp isn't IDE version");
return 0;
}
/************************************************************************
* fts_param_need_upgrade - check fw paramcfg need upgrade or not
*
* Return: < 0 : error if paramcfg need upgrade
* 0 : no need upgrade
* 1 : need upgrade app + param
* 2 : need upgrade param
***********************************************************************/
static int fts_param_need_upgrade(struct i2c_client *client)
{
int ret = 0;
u8 val = 0;
int ide_in_host = 0;
int ide_in_tp = 0;
u8 ver_in_host = 0;
u8 ver_in_tp = 0;
bool fwvalid = false;
fwvalid = fts_fwupg_check_fw_valid(client);
if ( !fwvalid) {
FTS_INFO("fw is invalid, upgrade app+param");
return 1;
}
ide_in_host = fts_param_ide_in_host();
if (ide_in_host < 0) {
FTS_INFO("fts_param_ide_in_host fail");
return ide_in_host;
}
ide_in_tp = fts_param_ide_in_tp(client, &val);
if (ide_in_tp < 0) {
FTS_INFO("fts_param_ide_in_tp fail");
return ide_in_tp;
}
if ((0 == ide_in_host) && (0 == ide_in_tp)) {
FTS_INFO("fw in host&tp are both no ide");
return 0;
} else if (ide_in_host != ide_in_tp) {
FTS_INFO("fw in host&tp not equal, need upgrade app+param");
return 1;
} else if ((1 == ide_in_host) && (1 == ide_in_tp)) {
FTS_INFO("fw in host&tp are both ide");
if ((val & 0x7F) != 0x00) {
FTS_INFO("param invalid, need upgrade param");
return 2;
}
ret = fts_param_get_ver_in_host(&ver_in_host);
if (ret < 0) {
FTS_ERROR("param version in host invalid");
return ret;
}
ret = fts_param_get_ver_in_tp(client, &ver_in_tp);
if (ret < 0) {
FTS_ERROR("get IDE param ver in tp fail");
return ret;
}
FTS_INFO("fw paramcfg version in tp:%x, host:%x", ver_in_tp, ver_in_host);
if (ver_in_tp != ver_in_host) {
return 2;
}
}
return 0;
}
/************************************************************************
* fts_fwupg_get_ver_in_tp - read fw ver from tp register
*
* return 0 if success, otherwise return error code
***********************************************************************/
static int fts_fwupg_get_ver_in_tp(struct i2c_client *client, u8 *ver)
{
int ret = 0;
if (NULL == ver) {
FTS_ERROR("ver is NULL");
return -EINVAL;
}
ret = fts_i2c_read_reg(client, FTS_REG_FW_VER, ver);
if (ret < 0) {
FTS_ERROR("read fw ver from tp fail");
return ret;
}
return 0;
}
/************************************************************************
* fts_fwupg_get_ver_in_host - read fw ver in host fw image
*
* return 0 if success, otherwise return error code
***********************************************************************/
static int fts_fwupg_get_ver_in_host(u8 *ver)
{
struct fts_upgrade *upg = fwupgrade;
if ((!upg) || (!upg->func) || (!upg->fw) || (!ver)) {
FTS_ERROR("fts_data/upgrade/func/fw/ver is NULL");
return -EINVAL;
}
if (upg->fw_length < upg->func->fwveroff) {
FTS_ERROR("fw len(0x%0x) < fw ver offset(0x%x)",
upg->fw_length, upg->func->fwveroff);
return -EINVAL;
}
FTS_INFO("fw version offset:0x%x", upg->func->fwveroff);
*ver = upg->fw[upg->func->fwveroff];
return 0;
}
/************************************************************************
* fts_fwupg_need_upgrade - check fw need upgrade or not
*
* Return: return true if fw need upgrade
***********************************************************************/
static bool fts_fwupg_need_upgrade(struct i2c_client *client)
{
int ret = 0;
bool fwvalid = false;
u8 fw_ver_in_host = 0;
u8 fw_ver_in_tp = 0;
fwvalid = fts_fwupg_check_fw_valid(client);
if (fwvalid) {
ret = fts_fwupg_get_ver_in_host(&fw_ver_in_host);
if (ret < 0) {
FTS_ERROR("get fw ver in host fail");
return false;
}
ret = fts_fwupg_get_ver_in_tp(client, &fw_ver_in_tp);
if (ret < 0) {
FTS_ERROR("get fw ver in tp fail");
return false;
}
FTS_INFO("fw version in tp:%x, host:%x", fw_ver_in_tp, fw_ver_in_host);
if (fw_ver_in_tp != fw_ver_in_host) {
return true;
}
} else {
FTS_INFO("fw invalid, need upgrade fw");
return true;
}
return false;
}
/************************************************************************
* Name: fts_fw_upgrade
* Brief: fw upgrade main entry
* Input:
* Output:
* Return: return 0 if success, otherwise return error code
***********************************************************************/
int fts_fwupg_upgrade(struct i2c_client *client, struct fts_upgrade *upg)
{
int ret = 0;
bool upgrade_flag = false;
int upgrade_count = 0;
u8 ver = 0;
FTS_INFO("fw auto upgrade function");
if ((NULL == upg) || (NULL == upg->func)) {
FTS_ERROR("upg/upg->func is null");
return -EINVAL;
}
upgrade_flag = fts_fwupg_need_upgrade(client);
FTS_INFO("fw upgrade flag:%d", upgrade_flag);
do {
upgrade_count++;
if (upgrade_flag) {
FTS_INFO("upgrade fw app(times:%d)", upgrade_count);
if (upg->func->upgrade) {
ret = upg->func->upgrade(client, upg->fw, upg->fw_length);
if (ret < 0) {
fts_fwupg_reset_in_boot(client);
} else {
fts_fwupg_get_ver_in_tp(client, &ver);
FTS_INFO("success upgrade to fw version %02x", ver);
break;
}
} else {
FTS_ERROR("upgrade func/upgrade is null, return immediately");
ret = -ENODATA;
break;
}
} else {
if (upg->func->param_upgrade) {
ret = fts_param_need_upgrade(client);
if (ret <= 0) {
FTS_INFO("param don't need upgrade");
break;
} else if (1 == ret) {
FTS_INFO("force upgrade fw app(times:%d)", upgrade_count);
if (upg->func->upgrade) {
ret = upg->func->upgrade(client, upg->fw, upg->fw_length);
if (ret < 0) {
fts_fwupg_reset_in_boot(client);
} else {
break;
}
}
} else if (2 == ret) {
FTS_INFO("upgrade param area(times:%d)", upgrade_count);
ret = upg->func->param_upgrade(client, upg->fw, upg->fw_length);
if (ret < 0) {
fts_fwupg_reset_in_boot(client);
} else {
fts_param_get_ver_in_tp(client, &ver);
FTS_INFO("success upgrade to fw param version %02x", ver);
break;
}
} else
break;
} else {
break;
}
}
} while (upgrade_count < 2);
return ret;
}
#if FTS_AUTO_UPGRADE_EN
/************************************************************************
* fts_fwupg_auto_upgrade - upgrade main entry
***********************************************************************/
void fts_fwupg_auto_upgrade(struct fts_ts_data *ts_data)
{
int ret = 0;
struct i2c_client *client = ts_data->client;
struct fts_upgrade *upg = fwupgrade;
FTS_INFO("********************FTS enter upgrade********************");
ret = fts_fwupg_upgrade(client, upg);
if (ret < 0)
FTS_ERROR("**********tp fw(app/param) upgrade failed**********");
else
FTS_INFO("**********tp fw(app/param) no upgrade/upgrade success**********");
#if FTS_AUTO_LIC_UPGRADE_EN
ret = fts_lic_upgrade(client, upg);
if (ret < 0)
FTS_ERROR("**********lcd init code upgrade failed**********");
else
FTS_INFO("**********lcd init code no upgrade/upgrade success**********");
#endif
FTS_INFO("********************FTS exit upgrade********************");
}
/*
* fts_fwupg_work - fw upgrade work function, handle upgrade
* @vid - u16 consit of module id and panel id
*
* return 0 if success, otherwise return error code
*/
int fts_fwupg_get_vendorid(struct fts_ts_data *ts_data, u16 *vid)
{
int ret = 0;
bool fwvalid = false;
u8 vendor_id = 0;
u8 module_id = 0;
u32 fwcfg_addr = 0;
u8 cfgbuf[FTS_HEADER_LEN] = { 0 };
struct i2c_client *client = ts_data->client;
struct fts_upgrade *upg = fwupgrade;
FTS_INFO("read vendor id from tp");
if ((!upg) || (!upg->func) || (!vid)) {
FTS_ERROR("upgrade/func/vid is null");
return -EINVAL;
}
fwvalid = fts_fwupg_check_fw_valid(client);
if (fwvalid) {
ret = fts_i2c_read_reg(client, FTS_REG_VENDOR_ID, &vendor_id);
if (ts_data->ic_info.is_incell)
ret = fts_i2c_read_reg(client, FTS_REG_MODULE_ID, &module_id);
} else {
fwcfg_addr = upg->func->fwcfgoff;
ret = fts_flash_read(client, fwcfg_addr, cfgbuf, FTS_HEADER_LEN);
vendor_id = cfgbuf[FTS_CONIFG_VENDORID_OFF];
if (ts_data->ic_info.is_incell) {
if ((cfgbuf[FTS_CONIFG_MODULEID_OFF] +
cfgbuf[FTS_CONIFG_MODULEID_OFF + 1]) == 0xFF)
module_id = cfgbuf[FTS_CONIFG_MODULEID_OFF];
}
}
if (ret < 0) {
FTS_ERROR("fail to get vendor id from tp");
return ret;
}
*vid = ((u16)module_id << 8) + vendor_id;
return 0;
}
/*
* fts_fwupg_get_fw_file - get upgrade fw file in host driver
*
* return 0 if success, otherwise return error code
*
* call it to get upgrade file which include in host driver
* warning:
* 1. if more fw files, please modify FTS_GET_VENDOR_ID_NUM&
* FTS_VENDOR_ID
* 2. For incell ICs, vendor id = module id << 8 + panel id
* For others, vendor id = 0x0000 + panel id
* 3. get fw file from reques_firmware(), this function unactive
*/
static int fts_fwupg_get_fw_file(struct fts_ts_data *ts_data)
{
struct upgrade_fw *fw = &fw_list[0];
struct fts_upgrade *upg = fwupgrade;
#if (FTS_GET_VENDOR_ID_NUM > 1)
int ret = 0;
int i = 0;
u16 vendor_id = 0;
/* support multi vendor, must read correct vendor id */
ret = fts_fwupg_get_vendorid(ts_data, &vendor_id);
if (ret < 0) {
FTS_ERROR("get vendor id failed");
return ret;
}
FTS_INFO("success to read vendor id:%04x", vendor_id);
for (i = 0; i < FTS_GET_VENDOR_ID_NUM; i++) {
fw = &fw_list[i];
if (vendor_id == fw->vendor_id) {
FTS_INFO("vendor id match, get fw file successfully");
break;
}
}
if (i >= FTS_GET_VENDOR_ID_NUM) {
FTS_ERROR("no vendor id match, don't get file");
return -ENODATA;
}
#endif
if (upg) {
upg->fw = fw->fw_file;
upg->fw_length = fw->fw_len;
upg->lic = fw->fw_file;
upg->lic_length = fw->fw_len;
FTS_INFO("upgrade fw file len:%d", upg->fw_length);
if ((upg->fw_length < FTS_MIN_LEN)
|| (upg->fw_length > FTS_MAX_LEN_FILE)) {
FTS_ERROR("fw file len(%d) fail", upg->fw_length);
return -ENODATA;
}
}
return 0;
}
/*
* fts_fwupg_init_ic_detail - for ic detail initialaztion
*/
static void fts_fwupg_init_ic_detail(void)
{
struct fts_upgrade *upg = fwupgrade;
if (upg && upg->func && upg->func->init) {
upg->func->init();
}
}
/*
* fts_fwupg_work - fw upgrade work function
* 1. get fw image/file
* 2. call upgrade main function(fts_fwupg_auto_upgrade)
*/
static void fts_fwupg_work(struct work_struct *work)
{
int ret = 0;
struct fts_ts_data *ts_data = container_of(work,
struct fts_ts_data, fwupg_work);
FTS_INFO("fw upgrade work function");
ts_data->fw_loading = 1;
fts_irq_disable();
#if FTS_ESDCHECK_EN
fts_esdcheck_switch(DISABLE);
#endif
FTS_INFO("get upgrade fw file");
ret = fts_fwupg_get_fw_file(ts_data);
fts_fwupg_init_ic_detail();
if (ret < 0) {
FTS_ERROR("get file fail, can't upgrade");
} else {
/* run auto upgrade */
fts_fwupg_auto_upgrade(ts_data);
}
#if FTS_ESDCHECK_EN
fts_esdcheck_switch(ENABLE);
#endif
fts_irq_enable();
ts_data->fw_loading = 0;
}
/*****************************************************************************
* Name: fts_fwupg_init
* Brief: upgrade function initialization
* Input:
* Output:
* Return: return 0 if success, otherwise return error code
*****************************************************************************/
int fts_fwupg_init(struct fts_ts_data *ts_data)
{
int i = 0;
int j = 0;
int ic_stype = ts_data->ic_info.ids.type;
struct upgrade_func *func = upgrade_func_list[0];
int func_count = sizeof(upgrade_func_list) / sizeof(upgrade_func_list[0]);
FTS_INFO("fw upgrade init function");
if (NULL == ts_data->ts_workqueue) {
FTS_ERROR("fts workqueue is NULL, can't run upgrade function");
return -EINVAL;
}
if (0 == func_count) {
FTS_ERROR("no upgrade function in tp driver");
return -ENODATA;
}
fwupgrade = (struct fts_upgrade *)kzalloc(sizeof(*fwupgrade), GFP_KERNEL);
if (NULL == fwupgrade) {
FTS_ERROR("malloc memory for upgrade fail");
return -ENOMEM;
}
if (1 == func_count) {
fwupgrade->func = func;
} else {
for (i = 0; i < func_count; i++) {
func = upgrade_func_list[i];
for (j = 0; j < FTX_MAX_COMPATIBLE_TYPE; j++) {
if (0 == func->ctype[j])
break;
else if (func->ctype[j] == ic_stype) {
FTS_INFO("match upgrade function,type:%x", (int)func->ctype[j]);
fwupgrade->func = func;
}
}
}
}
if (NULL == fwupgrade->func) {
FTS_ERROR("no upgrade function match, can't upgrade");
return -ENODATA;
}
INIT_WORK(&ts_data->fwupg_work, fts_fwupg_work);
queue_work(ts_data->ts_workqueue, &ts_data->fwupg_work);
return 0;
}
/*****************************************************************************
* Name: fts_fwupg_exit
* Brief:
* Input:
* Output:
* Return:
*****************************************************************************/
int fts_fwupg_exit(struct fts_ts_data *ts_data)
{
FTS_FUNC_ENTER();
if (fwupgrade) {
kfree(fwupgrade);
}
FTS_FUNC_EXIT();
return 0;
}
#endif /* #if FTS_AUTO_UPGRADE_EN */
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