From 6d5c31966abbf9e1cafe5d05706dc47eeb62bd2e Mon Sep 17 00:00:00 2001 From: Hang Cheng Date: Wed, 11 Sep 2019 16:15:05 +0800 Subject: [PATCH] hdmirx: add control for hdcp hpd [1/1] PD#SWPL-14041 Problem: sometimes after hpcp_hpd 0->1, ESM doesn't respond to AKE_INIT, it will lead to flash red screen on TCL DCLS-HG50 Solution: add control for hpcp_hpd, keep it high by default Verify: X301 Change-Id: I8f8e5c880400084d6ed252667460c4e397b9909d Signed-off-by: Hang Cheng --- drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_drv.h | 2 +- drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.c | 14 ++++++++++---- drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.h | 1 + drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_wrapper.c | 4 ++++ 4 files changed, 16 insertions(+), 5 deletions(-) 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 21c2068..acfe0c72 100644 --- a/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_drv.h +++ b/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_drv.h @@ -47,7 +47,7 @@ * * */ -#define RX_VER2 "ver.2019/09/05" +#define RX_VER2 "ver.2019/09/11" /*print type*/ #define LOG_EN 0x01 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 d6ab837..d51a9ef 100644 --- a/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.c +++ b/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.c @@ -102,6 +102,8 @@ int pll_rst_max = 5; int cdr_lock_level; int clock_lock_th = 2; int scdc_force_en; +/* for hdcp_hpd debug, disable by default */ +bool hdcp_hpd_ctrl_en; /*------------------------variable define end------------------------------*/ @@ -1703,7 +1705,7 @@ void control_reset(void) void rx_esm_tmdsclk_en(bool en) { hdmirx_wr_bits_top(TOP_CLK_CNTL, HDCP22_TMDSCLK_EN, en); - if (hdcp22_on) + if (hdcp22_on && hdcp_hpd_ctrl_en) hdmirx_hdcp22_hpd(en); if (log_level & HDCP_LOG) rx_pr("%s:%d\n", __func__, en); @@ -1995,11 +1997,15 @@ void hdmirx_20_init(void) hdmirx_wr_dwc(DWC_CHLOCK_CONFIG, data32); /* hdcp2.2 ctl */ - if (hdcp22_on) + if (hdcp22_on) { /* set hdcp_hpd high later */ - hdmirx_wr_dwc(DWC_HDCP22_CONTROL, 0); - else + if (hdcp_hpd_ctrl_en) + hdmirx_wr_dwc(DWC_HDCP22_CONTROL, 0); + else + hdmirx_wr_dwc(DWC_HDCP22_CONTROL, 0x1000); + } else { hdmirx_wr_dwc(DWC_HDCP22_CONTROL, 2); + } } 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 4c0dafc..447d353 100644 --- a/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.h +++ b/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.h @@ -1118,6 +1118,7 @@ extern int top_intr_maskn_value; extern int hbr_force_8ch; extern int clock_lock_th; extern int scdc_force_en; +extern bool hdcp_hpd_ctrl_en; extern void rx_get_best_eq_setting(void); extern void wr_reg_hhi(unsigned int offset, unsigned int val); extern void wr_reg_hhi_bits(unsigned int offset, unsigned int mask, diff --git a/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_wrapper.c b/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_wrapper.c index 2dde4f0..f999d1a 100644 --- a/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_wrapper.c +++ b/drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_wrapper.c @@ -1734,6 +1734,8 @@ int rx_set_global_variable(const char *buf, int size) return pr_var(earc_cap_ds_update_hpd_en, index); if (set_pr_var(tmpbuf, scdc_force_en, value, &index, ret)) return pr_var(scdc_force_en, index); + if (set_pr_var(tmpbuf, hdcp_hpd_ctrl_en, value, &index, ret)) + return pr_var(hdcp_hpd_ctrl_en, index); return 0; } @@ -1847,6 +1849,7 @@ void rx_get_global_variable(const char *buf) pr_var(en_take_dtd_space, i++); pr_var(earc_cap_ds_update_hpd_en, i++); pr_var(scdc_force_en, i++); + pr_var(hdcp_hpd_ctrl_en, i++); } void skip_frame(unsigned int cnt) @@ -1984,6 +1987,7 @@ void rx_5v_monitor(void) pwr_sts = tmp_5v; rx.cur_5v_sts = (pwr_sts >> rx.port) & 1; hotplug_wait_query(); + rx_pr("hotplug-0x%x\n", pwr_sts); if (rx.cur_5v_sts == 0) { set_fsm_state(FSM_5V_LOST); rx.err_code = ERR_5V_LOST; -- 2.7.4