hdmirx: fix dvi issue when resume [1/1]

PD#SWPL-2641

Problem:
SDA of I2C was pulled down,the box cant read EDID and then send DVI.

Solution:
Add rxsense pulse to avoid mtk box sda low issue.

Verify:
Local

Change-Id: I0d3dc4b0c3b956663be1d3e383094e456f3d4e7d
Signed-off-by: yicheng shen <yicheng.shen@amlogic.com>

diff --git a/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_drv.c b/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_drv.c
index 47ff362..da115d9 100644 (file)
--- a/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_drv.c
+++ b/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_drv.c
@@ -1691,7 +1691,7 @@ static void rx_phy_suspend(void)
                if (hdmi_cec_en != 0) {
                        if (suspend_pddq_sel == 2) {
                                /* set rxsense pulse */
-                               rx_phy_rxsense_pulse(10, 10);
+                               rx_phy_rxsense_pulse(10, 10, 0);
                        }
                }
                /* phy powerdown */
@@ -1707,7 +1707,7 @@ static void rx_phy_resume(void)
                         * rxsense pulse and phy_int shottern than
                         * 50ms, SDA may be pulled low 800ms on MTK box
                         */
-                       rx_phy_rxsense_pulse(20, 50);
+                       rx_phy_rxsense_pulse(20, 50, 1);
                }
        }
        hdmirx_phy_init();

diff --git a/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_drv.h b/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_drv.h
index 7dc3559..99dc5aa 100644 (file)
--- a/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_drv.h
+++ b/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_drv.h
@@ -34,7 +34,7 @@
 #include "hdmi_rx_edid.h"
 
 
-#define RX_VER0 "ver.2018-11-30"
+#define RX_VER0 "ver.2018-12-13"
 /*
  *
  *

diff --git a/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.c b/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.c
index 8c6f8cb..cdffc70 100644 (file)
--- a/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.c
+++ b/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.c
@@ -3561,12 +3561,12 @@ unsigned int aml_phy_tmds_valid(void)
        }
 }
 
-void rx_phy_rxsense_pulse(unsigned int t1, unsigned int t2)
+void rx_phy_rxsense_pulse(unsigned int t1, unsigned int t2, bool en)
 {
        /* set rxsense pulse */
-       hdmirx_phy_pddq(1);
+       hdmirx_phy_pddq(!en);
        mdelay(t1);
-       hdmirx_phy_pddq(0);
+       hdmirx_phy_pddq(en);
        mdelay(t2);
 }
 

diff --git a/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.h b/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.h
index aeee4db..eb4e549 100644 (file)
--- a/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.h
+++ b/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.h
@@ -1204,7 +1204,7 @@ extern void rx_force_rxsense_cfg(uint8_t level);
 extern void rx_force_hpd_rxsense_cfg(uint8_t level);
 extern void rx_audio_bandgap_rst(void);
 extern void rx_audio_bandgap_rst(void);
-extern void rx_phy_rxsense_pulse(unsigned int t1, unsigned int t2);
+extern void rx_phy_rxsense_pulse(unsigned int t1, unsigned int t2, bool en);
 extern void rx_phy_power_on(unsigned int onoff);