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Optimize zinitix touch firmware upgrade flow

Browse source 
Firmware flash is ok but verify fail, change to verify the last 4 bytes
on firmware.

Change-Id: If4e80a914d8ad7b9352a26fb7259aa97451c7863
Signed-off-by: Wenge Zhu <zhuwg1@motorola.com>
Reviewed-on: https://gerrit.mot.com/2611066
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jichao Zou <zoujc@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Wenge Zhu 2023-05-17 16:46:54 +08:00 • committed by zhuwg1
commit c14fd70d65
2 changed files with 70 additions and 20 deletions
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89
drivers/input/touchscreen/zinitix_ztw62x_mmi/zinitix.c
View file

@ -118,6 +118,7 @@ enum key_event {
#define CSV_TP_RAW_DATA_MAX "raw_data_max"
#define CSV_TP_SHORT_DATA_THRESHOLD "short_data_threshold"
#define CSV_BUFFER_LEN (1024*80*5)
#define CHECKSUM_VALUE 0xA5A5A5A5
struct raw_ioctl {
int sz;
@ -1414,6 +1415,51 @@ static inline s32 write_cc02(struct i2c_client *client, u32 addrL, u32 addrH)
}
//jesse end
static inline s32 write_cc01(struct i2c_client *client, u16 addrL, u16 addrH)
{
s32 ret;
u8 pkt[10]; /* max packet */
u16 length;
pr_info("bt541 write_cc01 \n");
pkt[0] = 0x01; /* command */
pkt[1] = 0xcc;
pkt[2] = (addrL) & 0xff; /* addrL */
pkt[3] = (addrL >> 8)&0xff;
pkt[4] = (addrH) & 0xff; /* addrH */
pkt[5] = (addrH >> 8)&0xff;
length = 4;
ret = i2c_master_send(client , pkt , length + 2);
if (ret < 0) {
return ret;
}
udelay(DELAY_FOR_POST_TRANSCATION);
return length;
}
static inline s32 read_cc01(struct i2c_client *client, u16 addr, u8 *values)
{
s32 ret;
u16 length;
/* select register*/
pr_info("bt541 read_cc01 \n");
ret = i2c_master_send(client , (u8 *)&addr , 2);
if (ret < 0)
return ret;
/* for setup tx transaction. */
mdelay(1);
length = 4;
ret = i2c_master_recv(client , values , length);
if (ret < 0)
return ret;
udelay(DELAY_FOR_POST_TRANSCATION);
return length;
}
static bool ts_upgrade_firmware(struct bt541_ts_info *info,
const u8 *firmware_data, u32 size)
@ -1431,7 +1477,7 @@ static bool ts_upgrade_firmware(struct bt541_ts_info *info,
u16 month, chip_fw_month;
u16 day, chip_fw_day;
u16 total_version, chip_fw_total_version;
u16 chip_check_sum;
u32 cc01_data = 0;
#else
int i;
u8 *verify_data;
@ -1479,37 +1525,32 @@ retry_upgrade:
zinitix_printk("0x01d5 error\n");
goto fail_upgrade;
}
msleep(5);
msleep(10);
//jesse end
if (write_reg(client, 0xc000, 0x0001) != I2C_SUCCESS) {
zinitix_printk("power sequence error (vendor cmd enable)\n");
goto fail_upgrade;
}
udelay(10);
msleep(1);
if (read_data(client, 0xcc00, (u8 *)&chip_code, 2) < 0) {
zinitix_printk("failed to read chip code\n");
goto fail_upgrade;
}
zinitix_printk("chip code = 0x%x\n", chip_code);
udelay(10);
if (write_cmd(client, 0xc004) != I2C_SUCCESS) {
zinitix_printk("power sequence error (intn clear)\n");
goto fail_upgrade;
}
udelay(10);
msleep(10);
if (write_reg(client, 0xc002, 0x0001) != I2C_SUCCESS) {
zinitix_printk("power sequence error (nvm init)\n");
goto fail_upgrade;
}
msleep(5);
zinitix_printk("init flash\n");
@ -1518,6 +1559,7 @@ retry_upgrade:
zinitix_printk("failed to write nvm vpp on\n");
goto fail_upgrade;
}
msleep(10);
#ifdef BURST_UPGRADE //burst upgrade
// Mass Erase start
@ -1534,7 +1576,7 @@ retry_upgrade:
zinitix_printk("failed to init upgrade mode\n");
goto fail_upgrade;
}
msleep(5);
if (write_reg(client, 0x01D3, 0x0040) != I2C_SUCCESS) {
zinitix_printk("failed to set package size\n");
goto fail_upgrade;
@ -1580,12 +1622,13 @@ retry_upgrade:
zinitix_printk("nvm write disable\n");
goto fail_upgrade;
}
msleep(10);
zinitix_printk("init flash\n");
if (write_cmd(client, BT541_INIT_FLASH) != I2C_SUCCESS) {
zinitix_printk("failed to init flash\n");
goto fail_upgrade;
}
msleep(1);
#else //normal upgrade
if (write_reg(client, 0xc104, 0x0001) != I2C_SUCCESS) {
zinitix_printk("failed to write nvm wp disable\n");
@ -1633,6 +1676,7 @@ retry_upgrade:
zinitix_printk("failed to init flash\n");
goto fail_upgrade;
}
msleep(1);
#endif
#ifndef VERIFY_CHECKSUM
zinitix_printk("read firmware data\n");
@ -1714,21 +1758,26 @@ retry_upgrade:
goto fail_upgrade;
}
//get chip check sum
if (read_data(client, BT541_CHECKSUM_RESULT,
(u8 *)&chip_check_sum, 2) < 0) {
zinitix_printk("read chip_check_sum fail\n");
if (write_cc01(client, 0xb6fc, 0x0018) < 0) {//0xa9fc 0xa45c
dev_err(&client->dev, "Failed to send cc01 command\n");
goto fail_upgrade;
}
if (chip_check_sum == 0x55aa) {
zinitix_printk("verify firmware check_sum pass!\n");
return true;
udelay(10);
if (read_cc01(client, 0xcc01, (u8 *)&cc01_data) < 0) {
dev_err(&client->dev, "Failed to read cc01_data\n");
goto fail_upgrade;
}
if (cc01_data != CHECKSUM_VALUE) {
zinitix_printk("Failed verify last 4 bytes cc01_data = 0x%x, retry !\n", cc01_data);
goto fail_upgrade;
}
udelay(10);
zinitix_printk("verify last 4 bytes success! cc01_data = 0x%x\n", cc01_data);
return true;
#endif
fail_upgrade:
bt541_power_control(info, POWER_OFF);
if (retry_cnt++ < INIT_RETRY_CNT) {
dev_err(&client->dev, "upgrade failed : so retry... (%d)\n", retry_cnt);
goto retry_upgrade;

1
drivers/input/touchscreen/zinitix_ztw62x_mmi/zinitix_touch.h
View file

@ -98,6 +98,7 @@
#define SEC_FACTORY_TEST
#define BURST_UPGRADE
#define VERIFY_CHECKSUM
/*version offset on firmware*/
#define FW_OFFSET_YEAR_MSB 44905