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gt9xx_update.c
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gt9xx_update.c
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/*
* Goodix GT9xx touchscreen driver
*
* Copyright (C) 2016 - 2017 Goodix. Ltd.
*
* 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 a reference
* to you, when you are integrating the GOODiX's CTP IC into your system,
* 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 <linux/kthread.h>
#include "gt9xx.h"
#include <linux/namei.h>
#include <linux/mount.h>
#include <linux/firmware.h>
#include <linux/ctype.h>
#define GUP_REG_HW_INFO 0x4220
#define GUP_REG_FW_MSG 0x41E4
#define GUP_REG_PID_VID 0x8140
#define FIRMWARE_NAME_LEN_MAX 256
#define GOODIX_FIRMWARE_FILE_NAME "goodix_firmware.bin"
#define GOODIX_CONFIG_FILE_NAME "goodix_config.cfg"
#define FW_HEAD_LENGTH 14
#define FW_SECTION_LENGTH 0x2000 /* 8K */
#define FW_DSP_ISP_LENGTH 0x1000 /* 4K */
#define FW_DSP_LENGTH 0x1000 /* 4K */
#define FW_BOOT_LENGTH 0x800 /* 2K */
#define FW_SS51_LENGTH (4 * FW_SECTION_LENGTH) /* 32K */
#define FW_BOOT_ISP_LENGTH 0x800 /* 2k */
#define FW_GLINK_LENGTH 0x3000 /* 12k */
#define FW_GWAKE_LENGTH (4 * FW_SECTION_LENGTH) /* 32k */
#define PACK_SIZE 256
#define MAX_FRAME_CHECK_TIME 5
#define _bRW_MISCTL__SRAM_BANK 0x4048
#define _bRW_MISCTL__MEM_CD_EN 0x4049
#define _bRW_MISCTL__CACHE_EN 0x404B
#define _bRW_MISCTL__TMR0_EN 0x40B0
#define _rRW_MISCTL__SWRST_B0_ 0x4180
#define _bWO_MISCTL__CPU_SWRST_PULSE 0x4184
#define _rRW_MISCTL__BOOTCTL_B0_ 0x4190
#define _rRW_MISCTL__BOOT_OPT_B0_ 0x4218
#define _rRW_MISCTL__BOOT_CTL_ 0x5094
#pragma pack(1)
struct st_fw_head {
u8 hw_info[4]; /* hardware info */
u8 pid[8]; /* product id */
u16 vid; /* version id */
};
#pragma pack()
struct st_update_msg {
u8 fw_damaged;
u8 fw_flag;
const u8 *fw_data;
struct file *cfg_file;
struct st_fw_head ic_fw_msg;
u32 fw_total_len;
u32 fw_burned_len;
const struct firmware *fw;
} update_msg;
struct st_update_msg update_msg;
u16 show_len;
u16 total_len;
static u8 gup_burn_fw_gwake_section(struct i2c_client *client,
u8 *fw_section, u16 start_addr,
u32 len, u8 bank_cmd);
static s32 gup_init_panel(struct goodix_ts_data *ts)
{
s32 ret = 0;
u8 opr_buf[16];
u8 sensor_id = 0;
u8 drv_cfg_version;
u8 flash_cfg_version;
struct goodix_config_data *cfg = &ts->pdata->config;
if (cfg->length < GTP_CONFIG_MIN_LENGTH) {
dev_err(&ts->client->dev,
"No valid config with sensor_ID(%d) ",
sensor_id);
return -EPERM;
}
ret = gtp_i2c_read_dbl_check(ts->client, GTP_REG_CONFIG_DATA,
&opr_buf[0], 1);
if (ret == SUCCESS) {
dev_dbg(&ts->client->dev,
"CFG_GROUP%d Config Version: %d, IC Config Version: %d",
sensor_id, cfg->data[GTP_ADDR_LENGTH], opr_buf[0]);
flash_cfg_version = opr_buf[0];
drv_cfg_version = cfg->data[GTP_ADDR_LENGTH];
if (flash_cfg_version < 90 &&
flash_cfg_version > drv_cfg_version)
cfg->data[GTP_ADDR_LENGTH] = 0x00;
} else {
dev_err(&ts->client->dev,
"Failed to get ic config version!No config sent!");
return -EPERM;
}
ret = gtp_send_cfg(ts->client);
if (ret < 0)
dev_err(&ts->client->dev, "Send config error.");
else
usleep_range(10000, 11000);
/* restore config vrsion */
cfg->data[GTP_ADDR_LENGTH] = drv_cfg_version;
return 0;
}
static u8 gup_get_ic_msg(struct i2c_client *client, u16 addr, u8 *msg, s32 len)
{
s32 i = 0;
msg[0] = (addr >> 8) & 0xff;
msg[1] = addr & 0xff;
for (i = 0; i < 5; i++) {
if (gtp_i2c_read(client, msg, GTP_ADDR_LENGTH + len) > 0)
break;
}
if (i >= 5) {
dev_err(&client->dev,
"Read data from 0x%02x%02x failed!",
msg[0], msg[1]);
return FAIL;
}
return SUCCESS;
}
static u8 gup_set_ic_msg(struct i2c_client *client, u16 addr, u8 val)
{
s32 i = 0;
u8 msg[3];
msg[0] = (addr >> 8) & 0xff;
msg[1] = addr & 0xff;
msg[2] = val;
for (i = 0; i < 5; i++) {
if (gtp_i2c_write(client, msg, GTP_ADDR_LENGTH + 1) > 0)
break;
}
if (i >= 5) {
dev_err(&client->dev,
"Set data to 0x%02x%02x failed!", msg[0], msg[1]);
return FAIL;
}
return SUCCESS;
}
static u8 gup_get_ic_fw_msg(struct i2c_client *client)
{
s32 ret = -1;
u8 retry = 0;
u8 buf[16];
u8 i;
/* step1:get hardware info */
ret = gtp_i2c_read_dbl_check(client, GUP_REG_HW_INFO,
&buf[GTP_ADDR_LENGTH], 4);
if (FAIL == ret) {
dev_err(&client->dev, "[get_ic_fw_msg]get hw_info failed,exit");
return FAIL;
}
/* buf[2~5]: 00 06 90 00
* hw_info: 00 90 06 00
*/
for (i = 0; i < 4; i++)
update_msg.ic_fw_msg.hw_info[i] = buf[GTP_ADDR_LENGTH + 3 - i];
dev_dbg(&client->dev,
"IC Hardware info:%02x%02x%02x%02x",
update_msg.ic_fw_msg.hw_info[0],
update_msg.ic_fw_msg.hw_info[1],
update_msg.ic_fw_msg.hw_info[2],
update_msg.ic_fw_msg.hw_info[3]);
/* step2:get firmware message */
for (retry = 0; retry < 2; retry++) {
ret = gup_get_ic_msg(client, GUP_REG_FW_MSG, buf, 1);
if (FAIL == ret) {
dev_err(&client->dev, "Read firmware message fail.");
return ret;
}
update_msg.fw_damaged = buf[GTP_ADDR_LENGTH];
if ((0xBE != update_msg.fw_damaged) && (!retry)) {
dev_info(&client->dev, "The check sum in ic is error.");
dev_info(&client->dev, "The IC will be updated by force.");
continue;
}
break;
}
dev_dbg(&client->dev,
"IC force update flag:0x%x", update_msg.fw_damaged);
/* step3:get pid & vid */
ret = gtp_i2c_read_dbl_check(client, GUP_REG_PID_VID,
&buf[GTP_ADDR_LENGTH], 6);
if (FAIL == ret) {
dev_err(&client->dev, "[get_ic_fw_msg]get pid & vid failed,exit");
return FAIL;
}
memset(update_msg.ic_fw_msg.pid, 0, sizeof(update_msg.ic_fw_msg.pid));
memcpy(update_msg.ic_fw_msg.pid, &buf[GTP_ADDR_LENGTH], 4);
dev_dbg(&client->dev, "IC Product id:%s", update_msg.ic_fw_msg.pid);
/* GT9XX PID MAPPING */
/*|-----FLASH-----RAM-----|
*|------918------918-----|
*|------968------968-----|
*|------913------913-----|
*|------913P-----913P----|
*|------927------927-----|
*|------927P-----927P----|
*|------9110-----9110----|
*|------9110P----9111----|*/
if (update_msg.ic_fw_msg.pid[0] != 0) {
if (!memcmp(update_msg.ic_fw_msg.pid, "9111", 4)) {
dev_dbg(&client->dev, "IC Mapping Product id:%s",
update_msg.ic_fw_msg.pid);
memcpy(update_msg.ic_fw_msg.pid, "9110P", 5);
}
}
update_msg.ic_fw_msg.vid = buf[GTP_ADDR_LENGTH + 4] +
(buf[GTP_ADDR_LENGTH + 5] << 8);
dev_dbg(&client->dev, "IC version id:%04x", update_msg.ic_fw_msg.vid);
return SUCCESS;
}
s32 gup_enter_update_mode(struct i2c_client *client)
{
s32 ret = -1;
s32 retry = 0;
u8 rd_buf[3];
struct goodix_ts_data *ts = i2c_get_clientdata(client);
/* step1:RST output low last at least 2ms */
if (!gpio_is_valid(ts->pdata->rst_gpio)) {
dev_err(&ts->client->dev, "update failed, no rst pin\n");
return FAIL;
}
gpio_direction_output(ts->pdata->rst_gpio, 0);
usleep_range(2000, 3000);
/* step2:select I2C slave addr,INT:0--0xBA;1--0x28. */
gtp_int_output(ts, client->addr == 0x14);
usleep_range(2000, 3000);
/* step3:RST output high reset guitar */
gpio_direction_output(ts->pdata->rst_gpio, 1);
/* 20121211 modify start */
usleep_range(5000, 6000);
while (retry++ < 200) {
/* step4:Hold ss51 & dsp */
ret = gup_set_ic_msg(client, _rRW_MISCTL__SWRST_B0_, 0x0C);
if (ret <= 0) {
dev_dbg(&client->dev,
"Hold ss51 & dsp I2C error,retry:%d",
retry);
continue;
}
/* step5:Confirm hold */
ret = gup_get_ic_msg(client, _rRW_MISCTL__SWRST_B0_, rd_buf, 1);
if (ret <= 0) {
dev_dbg(&client->dev,
"Hold ss51 & dsp I2C error,retry:%d",
retry);
continue;
}
if (0x0C == rd_buf[GTP_ADDR_LENGTH]) {
dev_dbg(&client->dev, "Hold ss51 & dsp confirm SUCCESS");
break;
}
dev_dbg(&client->dev,
"Hold ss51 & dsp confirm 0x4180 failed,value:%d",
rd_buf[GTP_ADDR_LENGTH]);
}
if (retry >= 200) {
dev_err(&client->dev, "Enter update Hold ss51 failed.");
return FAIL;
}
/* step6:DSP_CK and DSP_ALU_CK PowerOn */
ret = gup_set_ic_msg(client, 0x4010, 0x00);
/* 20121211 modify end */
return ret;
}
void gup_leave_update_mode(struct i2c_client *client)
{
struct goodix_ts_data *ts = i2c_get_clientdata(client);
if (ts->pdata->int_sync && ts->pinctrl.pinctrl)
pinctrl_select_state(ts->pinctrl.pinctrl,
ts->pinctrl.int_input);
else if (ts->pdata->int_sync && gpio_is_valid(ts->pdata->irq_gpio))
gpio_direction_input(ts->pdata->irq_gpio);
dev_dbg(&client->dev, "[leave_update_mode]reset chip.");
gtp_reset_guitar(i2c_connect_client, 20);
}
static u8 gup_enter_update_judge(struct i2c_client *client,
struct st_fw_head *fw_head)
{
u16 u16_tmp;
s32 i = 0;
u32 fw_len = 0;
s32 pid_cmp_len = 0;
u16_tmp = fw_head->vid;
fw_head->vid = (u16)(u16_tmp>>8) + (u16)(u16_tmp<<8);
dev_info(&client->dev, "FILE HARDWARE INFO:%*ph\n", 4,
&fw_head->hw_info[0]);
dev_info(&client->dev, "FILE PID:%s\n", fw_head->pid);
dev_info(&client->dev, "FILE VID:%04x\n", fw_head->vid);
dev_info(&client->dev, "IC HARDWARE INFO:%*ph\n", 4,
&update_msg.ic_fw_msg.hw_info[0]);
dev_info(&client->dev, "IC PID:%s\n", update_msg.ic_fw_msg.pid);
dev_info(&client->dev, "IC VID:%04x\n", update_msg.ic_fw_msg.vid);
if (!memcmp(fw_head->pid, "9158", 4) &&
!memcmp(update_msg.ic_fw_msg.pid, "915S", 4)) {
dev_info(&client->dev, "Update GT915S to GT9158 directly!");
return SUCCESS;
}
/* First two conditions */
if (!memcmp(fw_head->hw_info, update_msg.ic_fw_msg.hw_info,
sizeof(update_msg.ic_fw_msg.hw_info))) {
fw_len = 42 * 1024;
} else {
fw_len = fw_head->hw_info[3];
fw_len += (((u32)fw_head->hw_info[2]) << 8);
fw_len += (((u32)fw_head->hw_info[1]) << 16);
fw_len += (((u32)fw_head->hw_info[0]) << 24);
}
if (update_msg.fw_total_len != fw_len) {
dev_err(&client->dev,
"Inconsistent firmware size, Update aborted!");
dev_err(&client->dev,
" Default size: %d(%dK), actual size: %d(%dK)",
fw_len, fw_len/1024, update_msg.fw_total_len,
update_msg.fw_total_len/1024);
return FAIL;
}
dev_info(&client->dev, "Firmware length:%d(%dK)",
update_msg.fw_total_len,
update_msg.fw_total_len/1024);
if (update_msg.fw_damaged != 0xBE) {
dev_info(&client->dev, "FW chksum error,need enter update.");
return SUCCESS;
}
/* 20130523 start */
if (strlen(update_msg.ic_fw_msg.pid) < 3) {
dev_info(&client->dev, "Illegal IC pid, need enter update");
return SUCCESS;
}
/* check pid legality */
for (i = 0; i < 3; i++) {
if (!isdigit(update_msg.ic_fw_msg.pid[i])) {
dev_info(&client->dev,
"Illegal IC pid, need enter update");
return SUCCESS;
}
}
/* 20130523 end */
pid_cmp_len = strlen(fw_head->pid);
if (pid_cmp_len < strlen(update_msg.ic_fw_msg.pid))
pid_cmp_len = strlen(update_msg.ic_fw_msg.pid);
if ((!memcmp(fw_head->pid, update_msg.ic_fw_msg.pid, pid_cmp_len)) ||
(!memcmp(update_msg.ic_fw_msg.pid, "91XX", 4)) ||
(!memcmp(fw_head->pid, "91XX", 4))) {
if (!memcmp(fw_head->pid, "91XX", 4))
dev_dbg(&client->dev,
"Force none same pid update mode.");
else
dev_dbg(&client->dev, "Get the same pid.");
/* The third condition */
if (fw_head->vid != update_msg.ic_fw_msg.vid) {
dev_info(&client->dev, "Need enter update.");
return SUCCESS;
}
dev_err(&client->dev, "File VID == Ic VID, update aborted!");
} else {
dev_err(&client->dev, "File PID != Ic PID, update aborted!");
}
return FAIL;
}
static int gup_update_config(struct i2c_client *client)
{
s32 ret = 0;
s32 i = 0;
s32 file_cfg_len = 0;
u8 *file_config;
const struct firmware *fw_cfg;
struct goodix_ts_data *ts = i2c_get_clientdata(client);
ret = request_firmware(&fw_cfg, GOODIX_CONFIG_FILE_NAME,
&client->dev);
if (ret < 0) {
dev_err(&client->dev,
"Cannot get config file - %s (%d)\n",
GOODIX_CONFIG_FILE_NAME, ret);
return -EFAULT;
}
if (!fw_cfg || !fw_cfg->data || fw_cfg->size > PAGE_SIZE) {
dev_err(&client->dev, "config file illegal");
ret = -EFAULT;
goto cfg_fw_err;
}
dev_dbg(&client->dev, "config firmware file len:%zu", fw_cfg->size);
file_config = kzalloc(GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH,
GFP_KERNEL);
if (!file_config) {
dev_err(&ts->client->dev, "failed alloc memory");
ret = -ENOMEM;
goto cfg_fw_err;
}
file_config[0] = GTP_REG_CONFIG_DATA >> 8;
file_config[1] = GTP_REG_CONFIG_DATA & 0xff;
file_cfg_len = gtp_ascii_to_array(fw_cfg->data, fw_cfg->size,
&file_config[GTP_ADDR_LENGTH]);
if (file_cfg_len < 0) {
dev_err(&client->dev, "failed covert ascii to hex");
ret = -EFAULT;
goto update_cfg_file_failed;
}
GTP_DEBUG_ARRAY(file_config + GTP_ADDR_LENGTH, file_cfg_len);
i = 0;
while (i++ < 5) {
ret = gtp_i2c_write(client, file_config, file_cfg_len + 2);
if (ret > 0) {
dev_info(&client->dev, "Send config SUCCESS.");
msleep(500);
break;
}
dev_err(&ts->client->dev, "Send config i2c error.");
}
update_cfg_file_failed:
kfree(file_config);
cfg_fw_err:
release_firmware(fw_cfg);
return ret;
}
static u8 gup_check_firmware_name(struct i2c_client *client,
u8 **path_p)
{
u8 len;
u8 *fname;
if (!(*path_p)) {
*path_p = GOODIX_FIRMWARE_FILE_NAME;
return 0;
}
len = strnlen(*path_p, FIRMWARE_NAME_LEN_MAX);
if (len >= FIRMWARE_NAME_LEN_MAX) {
dev_err(&client->dev, "firmware name too long!");
return -EINVAL;
}
fname = strrchr(*path_p, '/');
if (fname) {
fname = fname + 1;
*path_p = fname;
}
return 0;
}
static u8 gup_get_update_file(struct i2c_client *client,
struct st_fw_head *fw_head, u8 *path)
{
s32 ret = 0;
s32 i = 0;
s32 fw_checksum = 0;
struct goodix_ts_data *ts = i2c_get_clientdata(client);
if (ts->pdata->auto_update_cfg) {
ret = gup_update_config(client);
if (ret <= 0)
dev_err(&client->dev, "Update config failed.");
}
ret = gup_check_firmware_name(client, &path);
if (ret < 0)
return FAIL;
ret = request_firmware(&update_msg.fw, path, &client->dev);
if (ret < 0) {
dev_err(&client->dev, "Failed get firmware:%d\n", ret);
return FAIL;
}
dev_info(&client->dev, "FW File: %s size=%zu",
path, update_msg.fw->size);
update_msg.fw_data = update_msg.fw->data;
update_msg.fw_total_len = update_msg.fw->size;
if (update_msg.fw_total_len <
FW_HEAD_LENGTH + FW_SECTION_LENGTH * 4 + FW_DSP_ISP_LENGTH +
FW_DSP_LENGTH + FW_BOOT_LENGTH) {
dev_err(&client->dev,
"INVALID bin file(size: %d), update aborted.",
update_msg.fw_total_len);
goto invalied_fw;
}
update_msg.fw_total_len -= FW_HEAD_LENGTH;
dev_dbg(&client->dev, "Bin firmware actual size: %d(%dK)",
update_msg.fw_total_len, update_msg.fw_total_len/1024);
memcpy(fw_head, update_msg.fw_data, FW_HEAD_LENGTH);
/* check firmware legality */
fw_checksum = 0;
for (i = 0; i < update_msg.fw_total_len; i += 2) {
u16 temp;
temp = (update_msg.fw_data[FW_HEAD_LENGTH + i] << 8) +
update_msg.fw_data[FW_HEAD_LENGTH + i + 1];
fw_checksum += temp;
}
dev_dbg(&client->dev, "firmware checksum:%x", fw_checksum&0xFFFF);
if (fw_checksum & 0xFFFF) {
dev_err(&client->dev, "Illegal firmware file.");
goto invalied_fw;
}
return SUCCESS;
invalied_fw:
update_msg.fw_data = NULL;
update_msg.fw_total_len = 0;
release_firmware(update_msg.fw);
return FAIL;
}
static u8 gup_burn_proc(struct i2c_client *client, u8 *burn_buf,
u16 start_addr, u16 total_length)
{
s32 ret = 0;
u16 burn_addr = start_addr;
u16 frame_length = 0;
u16 burn_length = 0;
u8 wr_buf[PACK_SIZE + GTP_ADDR_LENGTH];
u8 rd_buf[PACK_SIZE + GTP_ADDR_LENGTH];
u8 retry = 0;
dev_dbg(&client->dev, "Begin burn %dk data to addr 0x%x",
total_length / 1024, start_addr);
while (burn_length < total_length) {
dev_dbg(&client->dev,
"B/T:%04d/%04d", burn_length, total_length);
frame_length = ((total_length - burn_length)
> PACK_SIZE) ? PACK_SIZE : (total_length - burn_length);
wr_buf[0] = (u8)(burn_addr>>8);
rd_buf[0] = wr_buf[0];
wr_buf[1] = (u8)burn_addr;
rd_buf[1] = wr_buf[1];
memcpy(&wr_buf[GTP_ADDR_LENGTH],
&burn_buf[burn_length], frame_length);
for (retry = 0; retry < MAX_FRAME_CHECK_TIME; retry++) {
ret = gtp_i2c_write(client,
wr_buf, GTP_ADDR_LENGTH + frame_length);
if (ret <= 0) {
dev_err(&client->dev,
"Write frame data i2c error.");
continue;
}
ret = gtp_i2c_read(client, rd_buf,
GTP_ADDR_LENGTH + frame_length);
if (ret <= 0) {
dev_err(&client->dev,
"Read back frame data i2c error.");
continue;
}
if (memcmp(&wr_buf[GTP_ADDR_LENGTH],
&rd_buf[GTP_ADDR_LENGTH], frame_length)) {
dev_err(&client->dev,
"Check frame data fail,not equal.");
dev_dbg(&client->dev, "write array:");
GTP_DEBUG_ARRAY(&wr_buf[GTP_ADDR_LENGTH],
frame_length);
dev_dbg(&client->dev, "read array:");
GTP_DEBUG_ARRAY(&rd_buf[GTP_ADDR_LENGTH],
frame_length);
continue;
} else {
/* dev_dbg(&client->dev,
* "Check frame data success.");
*/
break;
}
}
if (retry >= MAX_FRAME_CHECK_TIME) {
dev_err(&client->dev,
"Burn frame data time out,exit.");
return FAIL;
}
burn_length += frame_length;
burn_addr += frame_length;
}
return SUCCESS;
}
static u8 gup_load_section_file(u8 *buf, u32 offset, u16 length, u8 set_or_end)
{
if (!update_msg.fw_data ||
update_msg.fw_total_len < offset + length) {
dev_err(&i2c_connect_client->dev,
"cannot load section data. fw_len=%d read end=%d\n",
update_msg.fw_total_len,
FW_HEAD_LENGTH + offset + length);
return FAIL;
}
if (SEEK_SET == set_or_end) {
memcpy(buf, &update_msg.fw_data[FW_HEAD_LENGTH + offset],
length);
} else {
/* seek end */
memcpy(buf, &update_msg.fw_data[update_msg.fw_total_len +
FW_HEAD_LENGTH - offset], length);
}
return SUCCESS;
}
static u8 gup_recall_check(struct i2c_client *client, u8 *chk_src,
u16 start_rd_addr, u16 chk_length)
{
u8 rd_buf[PACK_SIZE + GTP_ADDR_LENGTH];
s32 ret = 0;
u16 recall_addr = start_rd_addr;
u16 recall_length = 0;
u16 frame_length = 0;
while (recall_length < chk_length) {
frame_length = ((chk_length - recall_length)
> PACK_SIZE) ? PACK_SIZE :
(chk_length - recall_length);
ret = gup_get_ic_msg(client, recall_addr, rd_buf, frame_length);
if (ret <= 0) {
dev_err(&client->dev, "recall i2c error,exit");
return FAIL;
}
if (memcmp(&rd_buf[GTP_ADDR_LENGTH],
&chk_src[recall_length], frame_length)) {
dev_err(&client->dev, "Recall frame data fail,not equal.");
dev_dbg(&client->dev, "chk_src array:");
GTP_DEBUG_ARRAY(&chk_src[recall_length], frame_length);
dev_dbg(&client->dev, "recall array:");
GTP_DEBUG_ARRAY(&rd_buf[GTP_ADDR_LENGTH], frame_length);
return FAIL;
}
recall_length += frame_length;
recall_addr += frame_length;
}
dev_dbg(&client->dev,
"Recall check %dk firmware success.",
(chk_length/1024));
return SUCCESS;
}
static u8 gup_burn_fw_section(struct i2c_client *client, u8 *fw_section,
u16 start_addr, u8 bank_cmd)
{
s32 ret = 0;
u8 rd_buf[5];
/* step1:hold ss51 & dsp */
ret = gup_set_ic_msg(client, _rRW_MISCTL__SWRST_B0_, 0x0C);
if (ret <= 0) {
dev_err(&client->dev, "[burn_fw_section]hold ss51 & dsp fail.");
return FAIL;
}
/* step2:set scramble */
ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOT_OPT_B0_, 0x00);
if (ret <= 0) {
dev_err(&client->dev, "[burn_fw_section]set scramble fail.");
return FAIL;
}
/* step3:select bank */
ret = gup_set_ic_msg(client, _bRW_MISCTL__SRAM_BANK,
(bank_cmd >> 4)&0x0F);
if (ret <= 0) {
dev_err(&client->dev,
"[burn_fw_section]select bank %d fail.",
(bank_cmd >> 4)&0x0F);
return FAIL;
}
/* step4:enable accessing code */
ret = gup_set_ic_msg(client, _bRW_MISCTL__MEM_CD_EN, 0x01);
if (ret <= 0) {
dev_err(&client->dev,
"[burn_fw_section]enable accessing code fail.");
return FAIL;
}
/* step5:burn 8k fw section */
ret = gup_burn_proc(client, fw_section, start_addr, FW_SECTION_LENGTH);
if (FAIL == ret) {
dev_err(&client->dev,
"[burn_fw_section]burn fw_section fail.");
return FAIL;
}
/* step6:hold ss51 & release dsp */
ret = gup_set_ic_msg(client, _rRW_MISCTL__SWRST_B0_, 0x04);
if (ret <= 0) {
dev_err(&client->dev,
"[burn_fw_section]hold ss51 & release dsp fail.");
return FAIL;
}
/* must delay */
usleep_range(1000, 2000);
/* step7:send burn cmd to move data to flash from sram */
ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOT_CTL_, bank_cmd&0x0f);
if (ret <= 0) {
dev_err(&client->dev, "[burn_fw_section]send burn cmd fail.");
return FAIL;
}
dev_dbg(&client->dev,
"[burn_fw_section]Wait for the burn is complete......");
do {
ret = gup_get_ic_msg(client, _rRW_MISCTL__BOOT_CTL_, rd_buf, 1);
if (ret <= 0) {
dev_err(&client->dev,
"[burn_fw_section]Get burn state fail");
return FAIL;
}
usleep_range(10000, 11000);
/* dev_dbg(&client->dev, "[burn_fw_section]Get burn state:%d.",
* rd_buf[GTP_ADDR_LENGTH]);
*/
} while (rd_buf[GTP_ADDR_LENGTH]);
/* step8:select bank */
ret = gup_set_ic_msg(client,
_bRW_MISCTL__SRAM_BANK, (bank_cmd >> 4) & 0x0F);
if (ret <= 0) {
dev_err(&client->dev,
"[burn_fw_section]select bank %d fail.",
(bank_cmd >> 4)&0x0F);
return FAIL;
}
/* step9:enable accessing code */
ret = gup_set_ic_msg(client, _bRW_MISCTL__MEM_CD_EN, 0x01);
if (ret <= 0) {
dev_err(&client->dev,
"[burn_fw_section]enable accessing code fail.");
return FAIL;
}
/* step10:recall 8k fw section */
ret = gup_recall_check(client,
fw_section, start_addr, FW_SECTION_LENGTH);
if (FAIL == ret) {
dev_err(&client->dev,
"[burn_fw_section]recall check %dk firmware fail.",
FW_SECTION_LENGTH / 1024);
return FAIL;
}
/* step11:disable accessing code */
ret = gup_set_ic_msg(client, _bRW_MISCTL__MEM_CD_EN, 0x00);
if (ret <= 0) {
dev_err(&client->dev,
"[burn_fw_section]disable accessing code fail.");
return FAIL;
}
return SUCCESS;
}
static u8 gup_burn_dsp_isp(struct i2c_client *client)
{
s32 ret = 0;
u8 *fw_dsp_isp = NULL;
u8 retry = 0;
dev_info(&client->dev, "[burn_dsp_isp]Begin burn dsp isp---->>");
/* step1:alloc memory */
dev_dbg(&client->dev, "[burn_dsp_isp]step1:alloc memory");
while (retry++ < 5) {
fw_dsp_isp = kzalloc(FW_DSP_ISP_LENGTH, GFP_KERNEL);
if (fw_dsp_isp == NULL) {
continue;
} else {
dev_info(&client->dev,
"[burn_dsp_isp]Alloc %dk byte memory success.",
FW_DSP_ISP_LENGTH / 1024);
break;
}
}
if (retry >= 5) {
dev_err(&client->dev, "[burn_dsp_isp]Alloc memory fail,exit.");
return FAIL;
}
/* step2:load dsp isp file data */
dev_dbg(&client->dev, "[burn_dsp_isp]step2:load dsp isp file data");
ret = gup_load_section_file(fw_dsp_isp, FW_DSP_ISP_LENGTH,
FW_DSP_ISP_LENGTH, SEEK_END);
if (FAIL == ret) {
dev_err(&client->dev,
"[burn_dsp_isp]load firmware dsp_isp fail.");
goto exit_burn_dsp_isp;
}
/* step3:disable wdt,clear cache enable */
dev_dbg(&client->dev,
"[burn_dsp_isp]step3:disable wdt,clear cache enable");
ret = gup_set_ic_msg(client, _bRW_MISCTL__TMR0_EN, 0x00);
if (ret <= 0) {
dev_err(&client->dev, "[burn_dsp_isp]disable wdt fail.");
ret = FAIL;
goto exit_burn_dsp_isp;
}
ret = gup_set_ic_msg(client, _bRW_MISCTL__CACHE_EN, 0x00);
if (ret <= 0) {
dev_err(&client->dev,
"[burn_dsp_isp]clear cache enable fail.");
ret = FAIL;
goto exit_burn_dsp_isp;
}
/* step4:hold ss51 & dsp */
dev_dbg(&client->dev, "[burn_dsp_isp]step4:hold ss51 & dsp");
ret = gup_set_ic_msg(client, _rRW_MISCTL__SWRST_B0_, 0x0C);
if (ret <= 0) {
dev_err(&client->dev, "[burn_dsp_isp]hold ss51 & dsp fail.");
ret = FAIL;
goto exit_burn_dsp_isp;
}
/* step5:set boot from sram */
dev_dbg(&client->dev, "[burn_dsp_isp]step5:set boot from sram");
ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOTCTL_B0_, 0x02);
if (ret <= 0) {
dev_err(&client->dev, "[burn_dsp_isp]set boot from sram fail");
ret = FAIL;
goto exit_burn_dsp_isp;
}
/* step6:software reboot */
dev_dbg(&client->dev, "[burn_dsp_isp]step6:software reboot");
ret = gup_set_ic_msg(client, _bWO_MISCTL__CPU_SWRST_PULSE, 0x01);
if (ret <= 0) {
dev_err(&client->dev, "[burn_dsp_isp]software reboot fail.");
ret = FAIL;
goto exit_burn_dsp_isp;
}
/* step7:select bank2 */
dev_dbg(&client->dev, "[burn_dsp_isp]step7:select bank2");
ret = gup_set_ic_msg(client, _bRW_MISCTL__SRAM_BANK, 0x02);
if (ret <= 0) {
dev_err(&client->dev, "[burn_dsp_isp]select bank2 fail");
ret = FAIL;
goto exit_burn_dsp_isp;
}
/* step8:enable accessing code */
dev_dbg(&client->dev, "[burn_dsp_isp]step8:enable accessing code");
ret = gup_set_ic_msg(client, _bRW_MISCTL__MEM_CD_EN, 0x01);
if (ret <= 0) {
dev_err(&client->dev,
"[burn_dsp_isp]enable accessing code fail.");
ret = FAIL;
goto exit_burn_dsp_isp;
}
/* step9:burn 4k dsp_isp */
dev_dbg(&client->dev, "[burn_dsp_isp]step9:burn 4k dsp_isp");
ret = gup_burn_proc(client, fw_dsp_isp, 0xC000, FW_DSP_ISP_LENGTH);
if (FAIL == ret) {
dev_err(&client->dev, "[burn_dsp_isp]burn dsp_isp fail.");
goto exit_burn_dsp_isp;
}
/* step10:set scramble */
dev_dbg(&client->dev, "[burn_dsp_isp]step10:set scramble");
ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOT_OPT_B0_, 0x00);
if (ret <= 0) {
dev_err(&client->dev, "[burn_dsp_isp]set scramble fail.");
ret = FAIL;
goto exit_burn_dsp_isp;
}
update_msg.fw_burned_len += FW_DSP_ISP_LENGTH;
dev_dbg(&client->dev, "[burn_dsp_isp]Burned length:%d",
update_msg.fw_burned_len);
ret = SUCCESS;
exit_burn_dsp_isp:
kfree(fw_dsp_isp);
return ret;
}
static u8 gup_burn_fw_ss51(struct i2c_client *client)
{
u8 *fw_ss51 = NULL;
u8 retry = 0;
s32 ret = 0;
dev_info(&client->dev, "[burn_fw_ss51]Begin burn ss51 firmware---->>");
/* step1:alloc memory */
dev_dbg(&client->dev, "[burn_fw_ss51]step1:alloc memory");
while (retry++ < 5) {
fw_ss51 = kzalloc(FW_SECTION_LENGTH, GFP_KERNEL);
if (fw_ss51 == NULL) {
continue;
} else {
dev_dbg(&client->dev,
"[burn_fw_ss51]Alloc %dk byte memory success.",
(FW_SECTION_LENGTH / 1024));
break;
}
}
if (retry >= 5) {
dev_err(&client->dev, "[burn_fw_ss51]Alloc memory fail,exit.");
return FAIL;
}
dev_info(&client->dev, "[burn_fw_ss51]Reset first 8K of ss51 to 0xFF.");
dev_dbg(&client->dev, "[burn_fw_ss51]step2: reset bank0 0xC000~0xD000");
memset(fw_ss51, 0xFF, FW_SECTION_LENGTH);
/* step3:clear control flag */
dev_dbg(&client->dev, "[burn_fw_ss51]step3:clear control flag");
ret = gup_set_ic_msg(client, _rRW_MISCTL__BOOT_CTL_, 0x00);