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ODROID-N2: vout: hdmi: Add hpd control

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Change-Id: Iebf0bf99dbdf7630dc972bba31a770fb1c7cd823
(cherry picked from commit ef4bb25aa5)
This commit is contained in:
Joy Cho
2019-12-17 12:41:05 +09:00
committed by Chris KIM
parent 22238af31a
commit df6070a050
1 changed files with 44 additions and 1 deletions
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45
drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
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@@ -125,6 +125,19 @@ static int __init vout_setup(char *s)
return 0;
}
__setup("voutmode=", vout_setup);
static bool disableHPD;
static int __init disableHPD_setup(char *s)
{
if (!(strcmp(s, "true")))
disableHPD = true;
else
disableHPD = false;
return 0;
}
__setup("disablehpd=", disableHPD_setup);
#endif
int hdmitx_hpd_hw_op(enum hpd_op cmd)
@@ -144,7 +157,12 @@ int hdmitx_hpd_hw_op(enum hpd_op cmd)
case MESON_CPU_ID_G12A:
case MESON_CPU_ID_G12B:
case MESON_CPU_ID_SM1:
return hdmitx_hpd_hw_op_g12a(cmd);
#if defined(CONFIG_ARCH_MESON64_ODROID_COMMON)
if ((cmd == HPD_READ_HPD_GPIO) && (disableHPD))
return 1;
else
#endif
return hdmitx_hpd_hw_op_g12a(cmd);
default:
break;
}
@@ -168,6 +186,11 @@ int read_hpd_gpio(void)
case MESON_CPU_ID_G12A:
case MESON_CPU_ID_G12B:
case MESON_CPU_ID_SM1:
#if defined(CONFIG_ARCH_MESON64_ODROID_COMMON)
if (disableHPD)
return 1;
else
#endif
return read_hpd_gpio_txlx();
default:
break;
@@ -681,6 +704,16 @@ static irqreturn_t intr_handler(int irq, void *dev)
else
dat_top &= ~(1 << 1);
}
#if defined(CONFIG_ARCH_MESON64_ODROID_COMMON)
if (disableHPD) {
hdev->hdmitx_event |= HDMI_TX_HPD_PLUGIN;
hdev->hdmitx_event &= ~HDMI_TX_HPD_PLUGOUT;
hdmitx_wr_reg(HDMITX_TOP_INTR_STAT_CLR, dat_top | 0x6);
return IRQ_HANDLED;
}
#endif
/* HPD rising */
if (dat_top & (1 << 1)) {
hdev->hdmitx_event |= HDMI_TX_HPD_PLUGIN;
@@ -2790,6 +2823,16 @@ static void hdmitx_setupirq(struct hdmitx_dev *phdev)
r = request_irq(phdev->irq_hpd, &intr_handler,
IRQF_SHARED, "hdmitx",
(void *)phdev);
#if defined(CONFIG_ARCH_MESON64_ODROID_COMMON)
if (disableHPD) {
phdev->hdmitx_event |= HDMI_TX_HPD_PLUGIN;
phdev->hdmitx_event &= ~HDMI_TX_HPD_PLUGOUT;
phdev->rhpd_state = 1;
queue_delayed_work(phdev->hdmi_wq,
&phdev->work_hpd_plugin, HZ/3);
}
#endif
}
static void hdmitx_uninit(struct hdmitx_dev *phdev)