input: touchscreen: ft5x06: add FT5336 firmware update support
FT5336 use new firmware bootloader, current driver cannot update
its firmware. Driver needs update to support this new firmware
bootloader.
This patch is propagated from 3.18 kernel
'commit 740d7b108461 ("input: touchscreen: ft5x06: add FT5336
firmware update support")'
CRs-Fixed: 1046961
Change-Id: I5c210097a6b3daedce52c4dda806c698cda63968
Signed-off-by: Bingzhe Cai <bingzhec@codeaurora.org>
This commit is contained in:
Bingzhe Cai
Abinaya P
parent
0530539198
commit
f51bd56922
1 changed files with 109 additions and 23 deletions
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@ -131,8 +131,9 @@
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#define FT_FW_PKT_DLY_MS 20
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#define FT_FW_LAST_PKT 0x6ffa
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#define FT_EARSE_DLY_MS 100
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#define FT_55_AA_DLY_NS 5000
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#define FT_UPGRADE_LOOP 10
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#define FT_UPGRADE_LOOP 30
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#define FT_CAL_START 0x04
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#define FT_CAL_FIN 0x00
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#define FT_CAL_STORE 0x05
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@ -142,6 +143,30 @@
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#define FT_INFO_MAX_LEN 512
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#define FT_BLOADER_SIZE_OFF 12
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#define FT_BLOADER_NEW_SIZE 30
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#define FT_DATA_LEN_OFF_OLD_FW 8
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#define FT_DATA_LEN_OFF_NEW_FW 14
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#define FT_FINISHING_PKT_LEN_OLD_FW 6
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#define FT_FINISHING_PKT_LEN_NEW_FW 12
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#define FT_MAGIC_BLOADER_Z7 0x7bfa
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#define FT_MAGIC_BLOADER_LZ4 0x6ffa
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#define FT_MAGIC_BLOADER_GZF_30 0x7ff4
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#define FT_MAGIC_BLOADER_GZF 0x7bf4
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enum {
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FT_BLOADER_VERSION_LZ4 = 0,
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FT_BLOADER_VERSION_Z7 = 1,
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FT_BLOADER_VERSION_GZF = 2,
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};
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enum {
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FT_FT5336_FAMILY_ID_0x11 = 0x11,
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FT_FT5336_FAMILY_ID_0x12 = 0x12,
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FT_FT5336_FAMILY_ID_0x13 = 0x13,
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FT_FT5336_FAMILY_ID_0x14 = 0x14,
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};
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#define FT_STORE_TS_INFO(buf, id, name, max_tch, group_id, fw_vkey_support, \
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fw_name, fw_maj, fw_min, fw_sub_min) \
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snprintf(buf, FT_INFO_MAX_LEN, \
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@ -645,11 +670,20 @@ static int ft5x06_fw_upgrade_start(struct i2c_client *client,
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u8 reset_reg;
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u8 w_buf[FT_MAX_WR_BUF] = {0}, r_buf[FT_MAX_RD_BUF] = {0};
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u8 pkt_buf[FT_FW_PKT_LEN + FT_FW_PKT_META_LEN];
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int rc, i, j, temp;
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int i, j, temp;
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u32 pkt_num, pkt_len;
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u8 is_5336_new_bootloader = false;
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u8 is_5336_fwsize_30 = false;
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u8 fw_ecc;
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/* determine firmware size */
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if (*(data + data_len - FT_BLOADER_SIZE_OFF) == FT_BLOADER_NEW_SIZE)
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is_5336_fwsize_30 = true;
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else
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is_5336_fwsize_30 = false;
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for (i = 0, j = 0; i < FT_UPGRADE_LOOP; i++) {
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msleep(FT_EARSE_DLY_MS);
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/* reset - write 0xaa and 0x55 to reset register */
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if (ts_data->family_id == FT6X06_ID)
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reset_reg = FT_RST_CMD_REG2;
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@ -660,16 +694,17 @@ static int ft5x06_fw_upgrade_start(struct i2c_client *client,
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msleep(info.delay_aa);
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ft5x0x_write_reg(client, reset_reg, FT_UPGRADE_55);
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msleep(info.delay_55);
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if (i <= (FT_UPGRADE_LOOP / 2))
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msleep(info.delay_55 + i * 3);
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else
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msleep(info.delay_55 - (i - (FT_UPGRADE_LOOP / 2)) * 2);
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/* Enter upgrade mode */
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w_buf[0] = FT_UPGRADE_55;
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w_buf[1] = FT_UPGRADE_AA;
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do {
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j++;
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rc = ft5x06_i2c_write(client, w_buf, 2);
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msleep(FT_RETRY_DLY);
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} while (rc <= 0 && j < FT_MAX_TRIES);
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ft5x06_i2c_write(client, w_buf, 1);
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usleep(FT_55_AA_DLY_NS);
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w_buf[0] = FT_UPGRADE_AA;
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ft5x06_i2c_write(client, w_buf, 1);
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/* check READ_ID */
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msleep(info.delay_readid);
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@ -692,17 +727,40 @@ static int ft5x06_fw_upgrade_start(struct i2c_client *client,
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return -EIO;
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}
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w_buf[0] = 0xcd;
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ft5x06_i2c_read(client, w_buf, 1, r_buf, 1);
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if (r_buf[0] <= 4)
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is_5336_new_bootloader = FT_BLOADER_VERSION_LZ4;
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else if (r_buf[0] == 7)
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is_5336_new_bootloader = FT_BLOADER_VERSION_Z7;
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else if (r_buf[0] >= 0x0f &&
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((ts_data->family_id == FT_FT5336_FAMILY_ID_0x11) ||
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(ts_data->family_id == FT_FT5336_FAMILY_ID_0x12) ||
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(ts_data->family_id == FT_FT5336_FAMILY_ID_0x13) ||
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(ts_data->family_id == FT_FT5336_FAMILY_ID_0x14)))
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is_5336_new_bootloader = FT_BLOADER_VERSION_GZF;
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else
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is_5336_new_bootloader = FT_BLOADER_VERSION_LZ4;
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/* erase app and panel paramenter area */
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w_buf[0] = FT_ERASE_APP_REG;
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ft5x06_i2c_write(client, w_buf, 1);
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msleep(info.delay_erase_flash);
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w_buf[0] = FT_ERASE_PANEL_REG;
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ft5x06_i2c_write(client, w_buf, 1);
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if (is_5336_fwsize_30) {
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w_buf[0] = FT_ERASE_PANEL_REG;
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ft5x06_i2c_write(client, w_buf, 1);
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}
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msleep(FT_EARSE_DLY_MS);
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/* program firmware */
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data_len = data_len - 8;
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if (is_5336_new_bootloader == FT_BLOADER_VERSION_LZ4
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|| is_5336_new_bootloader == FT_BLOADER_VERSION_Z7)
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data_len = data_len - FT_DATA_LEN_OFF_OLD_FW;
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else
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data_len = data_len - FT_DATA_LEN_OFF_NEW_FW;
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pkt_num = (data_len) / FT_FW_PKT_LEN;
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pkt_len = FT_FW_PKT_LEN;
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pkt_buf[0] = FT_FW_START_REG;
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@ -745,17 +803,45 @@ static int ft5x06_fw_upgrade_start(struct i2c_client *client,
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}
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/* send the finishing packet */
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for (i = 0; i < 6; i++) {
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temp = FT_FW_LAST_PKT + i;
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pkt_buf[2] = (u8) (temp >> 8);
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pkt_buf[3] = (u8) temp;
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temp = 1;
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pkt_buf[4] = (u8) (temp >> 8);
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pkt_buf[5] = (u8) temp;
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pkt_buf[6] = data[data_len + i];
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fw_ecc ^= pkt_buf[6];
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ft5x06_i2c_write(client, pkt_buf, temp + FT_FW_PKT_META_LEN);
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msleep(FT_FW_PKT_DLY_MS);
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if (is_5336_new_bootloader == FT_BLOADER_VERSION_LZ4 ||
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is_5336_new_bootloader == FT_BLOADER_VERSION_Z7) {
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for (i = 0; i < FT_FINISHING_PKT_LEN_OLD_FW; i++) {
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if (is_5336_new_bootloader == FT_BLOADER_VERSION_Z7)
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temp = FT_MAGIC_BLOADER_Z7 + i;
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else if (is_5336_new_bootloader ==
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FT_BLOADER_VERSION_LZ4)
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temp = FT_MAGIC_BLOADER_LZ4 + i;
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pkt_buf[2] = (u8)(temp >> 8);
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pkt_buf[3] = (u8)temp;
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temp = 1;
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pkt_buf[4] = (u8)(temp >> 8);
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pkt_buf[5] = (u8)temp;
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pkt_buf[6] = data[data_len + i];
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fw_ecc ^= pkt_buf[6];
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ft5x06_i2c_write(client,
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pkt_buf, temp + FT_FW_PKT_META_LEN);
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msleep(FT_FW_PKT_DLY_MS);
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}
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} else if (is_5336_new_bootloader == FT_BLOADER_VERSION_GZF) {
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for (i = 0; i < FT_FINISHING_PKT_LEN_NEW_FW; i++) {
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if (is_5336_fwsize_30)
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temp = FT_MAGIC_BLOADER_GZF_30 + i;
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else
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temp = FT_MAGIC_BLOADER_GZF + i;
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pkt_buf[2] = (u8)(temp >> 8);
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pkt_buf[3] = (u8)temp;
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temp = 1;
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pkt_buf[4] = (u8)(temp >> 8);
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pkt_buf[5] = (u8)temp;
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pkt_buf[6] = data[data_len + i];
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fw_ecc ^= pkt_buf[6];
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ft5x06_i2c_write(client,
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pkt_buf, temp + FT_FW_PKT_META_LEN);
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msleep(FT_FW_PKT_DLY_MS);
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}
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}
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/* verify checksum */
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