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touch: Add fw info
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@ -41,6 +41,17 @@ static int touch_command(u8 cmd, u8 *buf, u8 size)
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return 0;
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}
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static int touch_read_reg(u8 *cmd, u32 csize, u8 *buf, u32 size)
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{
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int res = i2c_send_buf_small(I2C_3, STMFTS_I2C_ADDR, cmd[0], &cmd[1], csize - 1);
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if (res)
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res = i2c_recv_buf(buf, size, I2C_3, STMFTS_I2C_ADDR);
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if (!res)
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return 1;
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return 0;
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}
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#define X_REAL_MAX 1264
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#define Y_REAL_MAX 704
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#define EDGE_OFFSET 15
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@ -162,6 +173,33 @@ touch_info touch_get_info()
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return info;
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}
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int touch_get_fw_info(touch_fw_info_t *fw)
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{
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u8 buf[8] = {0};
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// Get fw address info.
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u8 cmd[3] = { STMFTS_RW_FRAMEBUFFER_REG, 0, 0x60 };
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int res = touch_read_reg(cmd, 3, buf, 3);
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if (!res)
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{
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// Get fw info.
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cmd[1] = buf[2]; cmd[2] = buf[1];
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res = touch_read_reg(cmd, 3, buf, 8);
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if (!res)
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{
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fw->fw_id = (buf[1] << 24) | (buf[2] << 16) | (buf[3] << 8) | buf[4];
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fw->ftb_ver = (buf[6] << 8) | buf[5];
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}
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cmd[2]++;
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res = touch_read_reg(cmd, 3, buf, 8);
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if (!res)
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fw->fw_rev = (buf[7] << 8) | buf[6];
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}
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return res;
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}
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int touch_power_on()
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{
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// Configure touchscreen GPIO.
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@ -49,7 +49,7 @@
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#define STMFTS_AUTO_CALIBRATION 0xC3
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#define STMFTS_NOISE_WRITE 0xC7
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#define STMFTS_NOISE_READ 0xC8
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#define STMFTS_RW_FB_REG 0xD0 // read data
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#define STMFTS_RW_FRAMEBUFFER_REG 0xD0
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#define STMFTS_SAVE_CX_TUNING 0xFC
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#define STMFTS_UNK0 0xB8 //Request compensation
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@ -113,10 +113,17 @@ typedef struct _touch_info {
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u16 config_ver;
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} touch_info;
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typedef struct _touch_fw_info_t {
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u32 fw_id;
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u16 ftb_ver;
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u16 fw_rev;
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} touch_fw_info_t;
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int touch_power_on();
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void touch_power_off();
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void touch_poll(touch_event *event);
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touch_event touch_poll_wait();
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int touch_get_fw_info(touch_fw_info_t *fw);
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touch_info touch_get_info();
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#endif /* __TOUCH_H_ */
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