diff options
| author | Ruibin Chang <Ruibin.Chang@ite.com.tw> | 2018-12-04 15:14:22 +0800 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2018-12-14 16:34:48 +0000 |
| commit | c70f197b15ea4086be2ba9b1f1c67a696f42add5 (patch) | |
| tree | d2795493318210fe883006406cf951b4c53aed80 /driver | |
| parent | 8671d8470ed46d3b291628dbbfcab6212c54bf13 (diff) | |
| download | chrome-ec-c70f197b15ea4086be2ba9b1f1c67a696f42add5.tar.gz | |
it83xx/intc:add type-c plug in interrupt
When tcpc detect type-c plug in (cc lines voltage change),
it will interrupt fw to wake pd task, so task can react
immediately.
BRANCH=None
BUG=None
TEST=GRL USBPD test
Change-Id: I194b2fcad1d0c62dde2d3296753abd47af8feea6
Signed-off-by: Ruibin Chang <Ruibin.Chang@ite.com.tw>
Reviewed-on: https://chromium-review.googlesource.com/c/1377337
Reviewed-by: Jett Rink <jettrink@chromium.org>
Commit-Queue: Jett Rink <jettrink@chromium.org>
Tested-by: Jett Rink <jettrink@chromium.org>
Trybot-Ready: Jett Rink <jettrink@chromium.org>
Diffstat (limited to 'driver')
| -rw-r--r-- | driver/tcpm/it83xx.c | 17 | ||||
| -rw-r--r-- | driver/tcpm/it83xx_pd.h | 4 |
2 files changed, 21 insertions, 0 deletions
diff --git a/driver/tcpm/it83xx.c b/driver/tcpm/it83xx.c index 447ba7fd1d..3cf554cf76 100644 --- a/driver/tcpm/it83xx.c +++ b/driver/tcpm/it83xx.c @@ -361,6 +361,16 @@ static void it83xx_init(enum usbpd_port port, int role) /* enable tx done and reset detect interrupt */ IT83XX_USBPD_IMR(port) &= ~(USBPD_REG_MASK_MSG_TX_DONE | USBPD_REG_MASK_HARD_RESET_DETECT); +#ifdef IT83XX_INTC_PLUG_IN_SUPPORT + /* + * when tcpc detect type-c plug in (cc lines voltage change), it will + * interrupt fw to wake pd task, so task can react immediately. + * + * w/c status and unmask TCDCR (detect type-c plug in interrupt default + * is enable). + */ + IT83XX_USBPD_TCDCR(port) = USBPD_REG_PLUG_IN_OUT_DETECT_STAT; +#endif //IT83XX_INTC_PLUG_IN_SUPPORT IT83XX_USBPD_CCPSR(port) = 0xff; /* cc connect */ IT83XX_USBPD_CCCSR(port) = 0; @@ -581,6 +591,13 @@ static void it83xx_tcpm_sw_reset(void) int port = TASK_ID_TO_PD_PORT(task_get_current()); /* Invalidate last received message id variable */ invalidate_last_message_id(port); +#ifdef IT83XX_INTC_PLUG_IN_SUPPORT + /* + * Enable detect type-c plug in interrupt, since the pd task has + * detected a type-c physical disconnected. + */ + IT83XX_USBPD_TCDCR(port) &= ~USBPD_REG_PLUG_IN_OUT_DETECT_DISABLE; +#endif //IT83XX_INTC_PLUG_IN_SUPPORT /* exit BIST test data mode */ USBPD_SW_RESET(port); } diff --git a/driver/tcpm/it83xx_pd.h b/driver/tcpm/it83xx_pd.h index c0714dd9b1..0f6be9b24f 100644 --- a/driver/tcpm/it83xx_pd.h +++ b/driver/tcpm/it83xx_pd.h @@ -70,6 +70,10 @@ IS_MASK_SET(IT83XX_USBPD_ISR(port), USBPD_REG_MASK_MSG_TX_DONE) #define USBPD_IS_RX_DONE(port) \ IS_MASK_SET(IT83XX_USBPD_ISR(port), USBPD_REG_MASK_MSG_RX_DONE) +#ifdef IT83XX_INTC_PLUG_IN_SUPPORT +#define USBPD_IS_PLUG_IN_OUT_DETECT(port)\ + IS_MASK_SET(IT83XX_USBPD_TCDCR(port), USBPD_REG_PLUG_IN_OUT_DETECT_STAT) +#endif //IT83XX_INTC_PLUG_IN_SUPPORT enum usbpd_cc_pin { USBPD_CC_PIN_1, |