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hdmirx: add control for hdcp hpd [1/1]

Browse Source 
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 <hang.cheng@amlogic.com>
This commit is contained in:
Hang Cheng
2019-09-11 16:15:05 +08:00
committed by Luke Go
parent 2e12177983
commit 4cf2cff964
4 changed files with 16 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_drv.h
View File

@@ -47,7 +47,7 @@
*
*
*/
#define RX_VER2 "ver.2019/09/05"
#define RX_VER2 "ver.2019/09/11"
/*print type*/
#define LOG_EN 0x01

14
drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.c
View File

@@ -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 @@ hdmirx_wr_dwc(DWC_DMI_SW_RST, 0x0000001F);
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);
@@ -1998,11 +2000,15 @@ data32 |= 24000 << 0; /* [15:0] milisec_timer_limit */
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);
}
}

1
drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_hw.h
View File

@@ -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,

4
drivers/amlogic/media/vin/tvin/hdmirx/hdmi_rx_wrapper.c
View File

@@ -1733,6 +1733,8 @@ 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;
}
@@ -1846,6 +1848,7 @@ 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)
@@ -1981,6 +1984,7 @@ 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;