shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 03:15:31 +09:00
Code Issues Packages Projects Releases Wiki Activity

hdmitx: add EMP (any packets) function

Browse Source 
PD#156734: add EMP (any packets) function for test

The function is only used to test now. The details need to
be discussed in the feature.

method:
echo emp > /sys/class/amhdmitx/amhdmitx0/config

Change-Id: I73cf93d90c9247336340fdc36ae8779743dc262d
Signed-off-by: Yi Zhou <yi.zhou@amlogic.com>
This commit is contained in:
Yi Zhou
2018-03-12 18:39:56 +08:00
committed by Jianxin Pan
parent 045d6671ed
commit f36c4e21f6
3 changed files with 50 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c
View File

@@ -72,6 +72,7 @@ static void hdmitx_get_edid(struct hdmitx_dev *hdev);
static void hdmitx_set_drm_pkt(struct master_display_info_s *data);
static void hdmitx_set_vsif_pkt(enum eotf_type type, enum mode_type
tunnel_mode, struct dv_vsif_para *data);
static void hdmitx_set_emp_pkt(void);
static int check_fbc_special(unsigned char *edid_dat);
static struct vinfo_s *hdmitx_get_current_vinfo(void);
@@ -1293,6 +1294,41 @@ static void hdmitx_set_vsif_pkt(enum eotf_type type,
}
}
static void hdmitx_set_emp_pkt(void)
{
unsigned int number;
unsigned char *virt_ptr;
unsigned char *virt_ptr_align32bit;
unsigned long phys_ptr;
unsigned int i;
struct hdmitx_dev *hdev = &hdmitx_device;
/*******this data is used to test*********/
unsigned char EMP[64] = {0x81, 0x01, 0x18, 0x57,
0x03, 0x0c, 0x30, 0x0, 0x0, 0x0};
number = 2;
/************************************/
if (hdmitx_device.chip_type < MESON_CPU_ID_G12A) {
pr_info("this chip doesn't support emp function\n");
return;
}
virt_ptr = kzalloc(sizeof(unsigned char)*(number + 0x1f),
GFP_KERNEL);
pr_info("emp_pkt virt_ptr: %p\n", virt_ptr);
virt_ptr_align32bit = (unsigned char *)
((((unsigned long)virt_ptr) + 0x1f) & (~0x1f));
pr_info("emp_pkt virt_ptr_align32bit: %p\n", virt_ptr_align32bit);
for (i = 0; i < number * 32; i++)
virt_ptr_align32bit[i] = EMP[i];
phys_ptr = virt_to_phys(virt_ptr_align32bit);
pr_info("emp_pkt phys_ptr: %lx\n", phys_ptr);
hdev->HWOp.CntlConfig(hdev, CONF_EMP_NUMBER, number);
hdev->HWOp.CntlConfig(hdev, CONF_EMP_PHY_ADDR, phys_ptr);
}
/*config attr*/
static ssize_t show_config(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -1412,6 +1448,10 @@ static ssize_t store_config(struct device *dev,
DRM_DB, DRM_HB);
} else if (strncmp(buf, "vsif", 4) == 0)
hdmitx_set_vsif_pkt(buf[4] - '0', buf[5] == '1', NULL);
else if (strncmp(buf, "emp", 3) == 0) {
if (hdmitx_device.chip_type >= MESON_CPU_ID_G12A)
hdmitx_set_emp_pkt();
}
return 16;
}

8
drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
View File

@@ -3483,6 +3483,14 @@ static int hdmitx_cntl_config(struct hdmitx_dev *hdev, unsigned int cmd,
case CONF_AVI_YQ01:
hdmitx_set_reg_bits(HDMITX_DWC_FC_AVICONF3, argv, 2, 2);
break;
case CONF_EMP_NUMBER:
hdmitx_set_reg_bits(HDMITX_TOP_EMP_CNTL0, argv, 16, 16);
case CONF_EMP_PHY_ADDR:
hdmitx_rd_check_reg(HDMITX_TOP_EMP_STAT0, 0, 0x3fffffff);
hdmitx_wr_reg(HDMITX_TOP_EMP_MEMADDR_START, argv);/*phys_ptr*/
hdmitx_set_reg_bits(HDMITX_TOP_EMP_CNTL1, 1, 17, 1); /*little*/
hdmitx_set_reg_bits(HDMITX_TOP_EMP_CNTL1, 120, 0, 16);
hdmitx_set_reg_bits(HDMITX_TOP_EMP_CNTL0, 1, 0, 1);/*emp_tx_en*/
default:
break;
}

2
include/linux/amlogic/media/vout/hdmi_tx/hdmi_tx_module.h
View File

@@ -418,6 +418,8 @@ struct hdmitx_dev {
#define CONF_VIDEO_MUTE_OP (CMD_CONF_OFFSET + 0x1000 + 0x04)
#define VIDEO_MUTE 0x1
#define VIDEO_UNMUTE 0x2
#define CONF_EMP_NUMBER (CMD_CONF_OFFSET + 0x3000 + 0x00)
#define CONF_EMP_PHY_ADDR (CMD_CONF_OFFSET + 0x3000 + 0x01)
/* Audio part */
#define CONF_CLR_AVI_PACKET (CMD_CONF_OFFSET + 0x04)