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touch: Do a panel HW test before calibration
In case the panel or the panel connection has issues, abort the calibration.
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parent
4ec7befe82
commit
dc9c7fd95c
2 changed files with 74 additions and 5 deletions
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@ -1,5 +1,5 @@
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/*
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* Touch driver for Nintendo Switch's STM FingerTip S (4cd60d) touch controller
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* Touch driver for Nintendo Switch's STM FingerTip S (4CD60D) touch controller
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*
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* Copyright (c) 2018 langerhans
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* Copyright (c) 2018-2020 CTCaer
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@ -236,6 +236,46 @@ int touch_sys_reset()
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return 1;
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}
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int touch_panel_ito_test(u8 *err)
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{
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int res = 0;
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// Reset touchscreen module.
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if (touch_sys_reset())
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return res;
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// Do ITO Production test.
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u8 cmd[2] = { 1, 0 };
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if (touch_command(STMFTS_ITO_CHECK, cmd, 2))
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return res;
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u32 timer = get_tmr_ms() + 2000;
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while (true)
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{
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u8 tmp[8] = {0};
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i2c_recv_buf_small(tmp, 8, I2C_3, STMFTS_I2C_ADDR, STMFTS_READ_ONE_EVENT);
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if (tmp[1] == 0xF && tmp[2] == 0x5)
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{
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if (err)
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{
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err[0] = tmp[3];
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err[1] = tmp[4];
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}
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res = 1;
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break;
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}
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if (get_tmr_ms() > timer)
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break;
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}
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// Reset touchscreen module.
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touch_sys_reset();
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return res;
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}
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int touch_sense_enable()
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{
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// Enable auto tuning calibration and multi-touch sensing.
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@ -326,9 +366,14 @@ int touch_power_on()
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u32 btn = btn_wait_timeout(0, BTN_VOL_DOWN | BTN_VOL_UP);
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if ((btn & BTN_VOL_DOWN) && (btn & BTN_VOL_UP))
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return touch_execute_autotune();
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else
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return touch_init();
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{
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u8 err[2];
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if (touch_panel_ito_test(err))
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if (!err[0] && !err[1])
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return touch_execute_autotune();
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}
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return touch_init();
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}
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void touch_power_off()
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@ -1,5 +1,5 @@
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/*
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* Touch driver for Nintendo Switch's STM FingerTip S (4cd60d) touch controller
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* Touch driver for Nintendo Switch's STM FingerTip S (4CD60D) touch controller
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*
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* Copyright (c) 2018 langerhans
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* Copyright (c) 2018-2020 CTCaer
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@ -44,6 +44,7 @@
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#define STMFTS_FULL_FORCE_CALIBRATION 0xA2
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#define STMFTS_MS_CX_TUNING 0xA3
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#define STMFTS_SS_CX_TUNING 0xA4
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#define STMFTS_ITO_CHECK 0xA7
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#define STMFTS_RELEASEINFO 0xAA
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#define STMFTS_WRITE_REG 0xB6
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#define STMFTS_AUTO_CALIBRATION 0xC3
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@ -99,6 +100,27 @@
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#define STMFTS_DATA_MAX_SIZE (STMFTS_EVENT_SIZE * STMFTS_STACK_DEPTH)
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#define STMFTS_MAX_FINGERS 10
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typedef enum _touch_ito_error {
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ITO_NO_ERROR = 0,
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ITO_FORCE_OPEN,
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ITO_SENSE_OPEN,
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ITO_FORCE_SHRT_GND,
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ITO_SENSE_SHRT_GND,
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ITO_FORCE_SHRT_VCM,
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ITO_SENSE_SHRT_VCM,
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ITO_FORCE_SHRT_FORCE,
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ITO_SENSE_SHRT_SENSE,
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ITO_F2E_SENSE,
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ITO_FPC_FORCE_OPEN,
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ITO_FPC_SENSE_OPEN,
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ITO_KEY_FORCE_OPEN,
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ITO_KEY_SENSE_OPEN,
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ITO_RESERVED0,
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ITO_RESERVED1,
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ITO_RESERVED2,
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ITO_MAX_ERR_REACHED = 0xFF
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} touch_ito_error;
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typedef struct _touch_event {
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u8 raw[8];
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u16 type; // Event type.
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@ -126,7 +148,9 @@ 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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int touch_panel_ito_test(u8 *err);
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int touch_execute_autotune();
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int touch_sense_enable();
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int touch_power_on();
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void touch_power_off();
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