From: Mythri P K <mythripk@xxxxxx>
Add support to dump the HDMI core, PLL and PHY registers through debugfs
Signed-off-by: Mythri P K <mythripk@xxxxxx>
---
drivers/video/omap2/dss/core.c | 4 +
drivers/video/omap2/dss/dss.h | 1 +
drivers/video/omap2/dss/dss_features.c | 5 +
drivers/video/omap2/dss/hdmi.c | 16 +++
drivers/video/omap2/dss/ti_hdmi.h | 14 +++
drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c | 168 +++++++++++++++++++++++++++++
6 files changed, 208 insertions(+), 0 deletions(-)
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 76821fe..86ec12e 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -145,6 +145,10 @@ static int dss_initialize_debugfs(void)
debugfs_create_file("venc", S_IRUGO, dss_debugfs_dir,
&venc_dump_regs, &dss_debug_fops);
#endif
+#ifdef CONFIG_OMAP4_DSS_HDMI
+ debugfs_create_file("hdmi", S_IRUGO, dss_debugfs_dir,
+ &hdmi_dump_regs, &dss_debug_fops);
+#endif
return 0;
}
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 47eebd8..8652007 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -472,6 +472,7 @@ int hdmi_init_platform_driver(void);
void hdmi_uninit_platform_driver(void);
int hdmi_init_display(struct omap_dss_device *dssdev);
unsigned long hdmi_get_pixel_clock(void);
+void hdmi_dump_regs(struct seq_file *s);
#else
static inline int hdmi_init_display(struct omap_dss_device *dssdev)
{
diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c
index 47e66d8..a2fc8e0 100644
--- a/drivers/video/omap2/dss/dss_features.c
+++ b/drivers/video/omap2/dss/dss_features.c
@@ -447,6 +447,11 @@ static const struct ti_hdmi_ip_ops omap4_hdmi_functions = {
.pll_enable = ti_hdmi_4xxx_pll_enable,
.pll_disable = ti_hdmi_4xxx_pll_disable,
.video_enable = ti_hdmi_4xxx_wp_video_start,
+ .dump_wrapper = ti_hdmi_4xxx_wp_dump,
+ .dump_core = ti_hdmi_4xxx_core_dump,
+ .dump_pll = ti_hdmi_4xxx_pll_dump,
+ .dump_phy = ti_hdmi_4xxx_phy_dump,
+
};
void dss_init_hdmi_ip_ops(struct hdmi_ip_data *ip_data)
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 2f554ae..3262f0f 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -438,6 +438,22 @@ void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev)
}
}
+void hdmi_dump_regs(struct seq_file *s)
+{
+ mutex_lock(&hdmi.lock);
+
+ if (hdmi_runtime_get())
+ return;
+
+ hdmi.ip_data.ops->dump_wrapper(&hdmi.ip_data, s);
+ hdmi.ip_data.ops->dump_pll(&hdmi.ip_data, s);
+ hdmi.ip_data.ops->dump_phy(&hdmi.ip_data, s);
+ hdmi.ip_data.ops->dump_core(&hdmi.ip_data, s);
+
+ hdmi_runtime_put();
+ mutex_unlock(&hdmi.lock);
+}
+
int omapdss_hdmi_read_edid(u8 *buf, int len)
{
int r;
diff --git a/drivers/video/omap2/dss/ti_hdmi.h b/drivers/video/omap2/dss/ti_hdmi.h
index d48603c..2c3443d 100644
--- a/drivers/video/omap2/dss/ti_hdmi.h
+++ b/drivers/video/omap2/dss/ti_hdmi.h
@@ -101,6 +101,15 @@ struct ti_hdmi_ip_ops {
void (*pll_disable)(struct hdmi_ip_data *ip_data);
void (*video_enable)(struct hdmi_ip_data *ip_data, bool start);
+
+ void (*dump_wrapper)(struct hdmi_ip_data *ip_data, struct seq_file *s);
+
+ void (*dump_core)(struct hdmi_ip_data *ip_data, struct seq_file *s);
+
+ void (*dump_pll)(struct hdmi_ip_data *ip_data, struct seq_file *s);
+
+ void (*dump_phy)(struct hdmi_ip_data *ip_data, struct seq_file *s);
+
};
struct hdmi_ip_data {
@@ -121,4 +130,9 @@ void ti_hdmi_4xxx_wp_video_start(struct hdmi_ip_data *ip_data, bool start);
int ti_hdmi_4xxx_pll_enable(struct hdmi_ip_data *ip_data);
void ti_hdmi_4xxx_pll_disable(struct hdmi_ip_data *ip_data);
void ti_hdmi_4xxx_basic_configure(struct hdmi_ip_data *ip_data);
+void ti_hdmi_4xxx_wp_dump(struct hdmi_ip_data *ip_data, struct seq_file *s);
+void ti_hdmi_4xxx_pll_dump(struct hdmi_ip_data *ip_data, struct seq_file *s);
+void ti_hdmi_4xxx_core_dump(struct hdmi_ip_data *ip_data, struct seq_file *s);
+void ti_hdmi_4xxx_phy_dump(struct hdmi_ip_data *ip_data, struct seq_file *s);
+
#endif
diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
index 5f22d2e..8355c4f 100644
--- a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
+++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
@@ -27,6 +27,7 @@
#include <linux/mutex.h>
#include <linux/delay.h>
#include <linux/string.h>
+#include <linux/seq_file.h>
#include "ti_hdmi_4xxx_ip.h"
#include "dss.h"
@@ -805,6 +806,173 @@ void ti_hdmi_4xxx_basic_configure(struct hdmi_ip_data *ip_data)
hdmi_core_av_packet_config(ip_data, repeat_cfg);
}
+void ti_hdmi_4xxx_wp_dump(struct hdmi_ip_data *ip_data, struct seq_file *s)
+{
+#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r,\
+ hdmi_read_reg(hdmi_wp_base(ip_data), r))
+ DUMPREG(HDMI_WP_REVISION);
+ DUMPREG(HDMI_WP_SYSCONFIG);
+ DUMPREG(HDMI_WP_IRQSTATUS_RAW);
+ DUMPREG(HDMI_WP_IRQSTATUS);
+ DUMPREG(HDMI_WP_PWR_CTRL);
+ DUMPREG(HDMI_WP_IRQENABLE_SET);
+ DUMPREG(HDMI_WP_VIDEO_CFG);
+ DUMPREG(HDMI_WP_VIDEO_SIZE);
+ DUMPREG(HDMI_WP_VIDEO_TIMING_H);
+ DUMPREG(HDMI_WP_VIDEO_TIMING_V);
+ DUMPREG(HDMI_WP_WP_CLK);
+ DUMPREG(HDMI_WP_AUDIO_CFG);
+ DUMPREG(HDMI_WP_AUDIO_CFG2);
+ DUMPREG(HDMI_WP_AUDIO_CTRL);
+ DUMPREG(HDMI_WP_AUDIO_DATA);
+}
+
+void ti_hdmi_4xxx_pll_dump(struct hdmi_ip_data *ip_data, struct seq_file *s)
+{
+#define DUMPPLL(r) seq_printf(s, "%-35s %08x\n", #r,\
+ hdmi_read_reg(hdmi_pll_base(ip_data), r))
+ DUMPPLL(PLLCTRL_PLL_CONTROL);
+ DUMPPLL(PLLCTRL_PLL_STATUS);
+ DUMPPLL(PLLCTRL_PLL_GO);
+ DUMPPLL(PLLCTRL_CFG1);
+ DUMPPLL(PLLCTRL_CFG2);
+ DUMPPLL(PLLCTRL_CFG3);
+ DUMPPLL(PLLCTRL_CFG4);
+}
+
+void ti_hdmi_4xxx_core_dump(struct hdmi_ip_data *ip_data, struct seq_file *s)
+{
+ int i;
+#define DUMPCORE(r) seq_printf(s, "%-35s %08x\n", #r,\
+ hdmi_read_reg(hdmi_pll_base(ip_data), r))
+
+ DUMPCORE(HDMI_CORE_SYS_VND_IDL);
+ DUMPCORE(HDMI_CORE_SYS_DEV_IDL);
+ DUMPCORE(HDMI_CORE_SYS_DEV_IDH);
+ DUMPCORE(HDMI_CORE_SYS_DEV_REV);
+ DUMPCORE(HDMI_CORE_SYS_SRST);
+ DUMPCORE(HDMI_CORE_CTRL1);
+ DUMPCORE(HDMI_CORE_SYS_SYS_STAT);
+ DUMPCORE(HDMI_CORE_SYS_VID_ACEN);
+ DUMPCORE(HDMI_CORE_SYS_VID_MODE);
+ DUMPCORE(HDMI_CORE_SYS_INTR_STATE);
+ DUMPCORE(HDMI_CORE_SYS_INTR1);
+ DUMPCORE(HDMI_CORE_SYS_INTR2);
+ DUMPCORE(HDMI_CORE_SYS_INTR3);
+ DUMPCORE(HDMI_CORE_SYS_INTR4);
+ DUMPCORE(HDMI_CORE_SYS_UMASK1);
+ DUMPCORE(HDMI_CORE_SYS_TMDS_CTRL);
+ DUMPCORE(HDMI_CORE_SYS_DE_DLY);
+ DUMPCORE(HDMI_CORE_SYS_DE_CTRL);
+ DUMPCORE(HDMI_CORE_SYS_DE_TOP);
+ DUMPCORE(HDMI_CORE_SYS_DE_CNTL);
+ DUMPCORE(HDMI_CORE_SYS_DE_CNTH);
+ DUMPCORE(HDMI_CORE_SYS_DE_LINL);
+ DUMPCORE(HDMI_CORE_SYS_DE_LINH_1);
+
+ DUMPCORE(HDMI_CORE_DDC_CMD);
+ DUMPCORE(HDMI_CORE_DDC_STATUS);
+ DUMPCORE(HDMI_CORE_DDC_ADDR);
+ DUMPCORE(HDMI_CORE_DDC_OFFSET);
+ DUMPCORE(HDMI_CORE_DDC_COUNT1);
+ DUMPCORE(HDMI_CORE_DDC_COUNT2);
+ DUMPCORE(HDMI_CORE_DDC_DATA);
+ DUMPCORE(HDMI_CORE_DDC_SEGM);
+
+ DUMPCORE(HDMI_CORE_AV_HDMI_CTRL);
+ DUMPCORE(HDMI_CORE_AV_DPD);
+ DUMPCORE(HDMI_CORE_AV_PB_CTRL1);
+ DUMPCORE(HDMI_CORE_AV_PB_CTRL2);
+ DUMPCORE(HDMI_CORE_AV_AVI_TYPE);
+ DUMPCORE(HDMI_CORE_AV_AVI_VERS);
+ DUMPCORE(HDMI_CORE_AV_AVI_LEN);
+ DUMPCORE(HDMI_CORE_AV_AVI_CHSUM);
+
+ for (i = 0; i < HDMI_CORE_AV_AVI_DBYTE_NELEMS; i++)
+ DUMPCORE(HDMI_CORE_AV_AVI_DBYTE(i));
+
+ for (i = 0; i < HDMI_CORE_AV_SPD_DBYTE_NELEMS; i++)
+ DUMPCORE(HDMI_CORE_AV_SPD_DBYTE(i));
+
+ for (i = 0; i < HDMI_CORE_AV_AUD_DBYTE_NELEMS; i++)
+ DUMPCORE(HDMI_CORE_AV_AUD_DBYTE(i));
+
+ for (i = 0; i < HDMI_CORE_AV_MPEG_DBYTE_NELEMS; i++)
+ DUMPCORE(HDMI_CORE_AV_MPEG_DBYTE(i));
+
+ for (i = 0; i < HDMI_CORE_AV_GEN_DBYTE_NELEMS; i++)
+ DUMPCORE(HDMI_CORE_AV_GEN_DBYTE(i));
+
+ for (i = 0; i < HDMI_CORE_AV_GEN2_DBYTE_NELEMS; i++)
+ DUMPCORE(HDMI_CORE_AV_GEN2_DBYTE(i));
+
+ DUMPCORE(HDMI_CORE_AV_ACR_CTRL);
+ DUMPCORE(HDMI_CORE_AV_FREQ_SVAL);
+ DUMPCORE(HDMI_CORE_AV_N_SVAL1);
+ DUMPCORE(HDMI_CORE_AV_N_SVAL2);
+ DUMPCORE(HDMI_CORE_AV_N_SVAL3);
+ DUMPCORE(HDMI_CORE_AV_CTS_SVAL1);
+ DUMPCORE(HDMI_CORE_AV_CTS_SVAL2);
+ DUMPCORE(HDMI_CORE_AV_CTS_SVAL3);
+ DUMPCORE(HDMI_CORE_AV_CTS_HVAL1);
+ DUMPCORE(HDMI_CORE_AV_CTS_HVAL2);
+ DUMPCORE(HDMI_CORE_AV_CTS_HVAL3);
+ DUMPCORE(HDMI_CORE_AV_AUD_MODE);
+ DUMPCORE(HDMI_CORE_AV_SPDIF_CTRL);
+ DUMPCORE(HDMI_CORE_AV_HW_SPDIF_FS);
+ DUMPCORE(HDMI_CORE_AV_SWAP_I2S);
+ DUMPCORE(HDMI_CORE_AV_SPDIF_ERTH);
+ DUMPCORE(HDMI_CORE_AV_I2S_IN_MAP);
+ DUMPCORE(HDMI_CORE_AV_I2S_IN_CTRL);
+ DUMPCORE(HDMI_CORE_AV_I2S_CHST0);
+ DUMPCORE(HDMI_CORE_AV_I2S_CHST1);
+ DUMPCORE(HDMI_CORE_AV_I2S_CHST2);
+ DUMPCORE(HDMI_CORE_AV_I2S_CHST4);
+ DUMPCORE(HDMI_CORE_AV_I2S_CHST5);
+ DUMPCORE(HDMI_CORE_AV_ASRC);
+ DUMPCORE(HDMI_CORE_AV_I2S_IN_LEN);
+ DUMPCORE(HDMI_CORE_AV_HDMI_CTRL);
+ DUMPCORE(HDMI_CORE_AV_AUDO_TXSTAT);
+ DUMPCORE(HDMI_CORE_AV_AUD_PAR_BUSCLK_1);
+ DUMPCORE(HDMI_CORE_AV_AUD_PAR_BUSCLK_2);
+ DUMPCORE(HDMI_CORE_AV_AUD_PAR_BUSCLK_3);
+ DUMPCORE(HDMI_CORE_AV_TEST_TXCTRL);
+ DUMPCORE(HDMI_CORE_AV_DPD);
+ DUMPCORE(HDMI_CORE_AV_PB_CTRL1);
+ DUMPCORE(HDMI_CORE_AV_PB_CTRL2);
+ DUMPCORE(HDMI_CORE_AV_AVI_TYPE);
+ DUMPCORE(HDMI_CORE_AV_AVI_VERS);
+ DUMPCORE(HDMI_CORE_AV_AVI_LEN);
+ DUMPCORE(HDMI_CORE_AV_AVI_CHSUM);
+ DUMPCORE(HDMI_CORE_AV_SPD_TYPE);
+ DUMPCORE(HDMI_CORE_AV_SPD_VERS);
+ DUMPCORE(HDMI_CORE_AV_SPD_LEN);
+ DUMPCORE(HDMI_CORE_AV_SPD_CHSUM);
+ DUMPCORE(HDMI_CORE_AV_AUDIO_TYPE);
+ DUMPCORE(HDMI_CORE_AV_AUDIO_VERS);
+ DUMPCORE(HDMI_CORE_AV_AUDIO_LEN);
+ DUMPCORE(HDMI_CORE_AV_AUDIO_CHSUM);
+ DUMPCORE(HDMI_CORE_AV_MPEG_TYPE);
+ DUMPCORE(HDMI_CORE_AV_MPEG_VERS);
+ DUMPCORE(HDMI_CORE_AV_MPEG_LEN);
+ DUMPCORE(HDMI_CORE_AV_MPEG_CHSUM);
+ DUMPCORE(HDMI_CORE_AV_CP_BYTE1);
+ DUMPCORE(HDMI_CORE_AV_CEC_ADDR_ID);
+}
+
+void ti_hdmi_4xxx_phy_dump(struct hdmi_ip_data *ip_data, struct seq_file *s)
+{
+#define DUMPPHY(r) seq_printf(s, "%-35s %08x\n", #r,\
+ hdmi_read_reg(hdmi_pll_base(ip_data), r))
+ DUMPPHY(PLLCTRL_PLL_CONTROL);
+ DUMPPHY(PLLCTRL_PLL_STATUS);
+ DUMPPHY(PLLCTRL_PLL_GO);
+ DUMPPHY(PLLCTRL_CFG1);
+ DUMPPHY(PLLCTRL_CFG2);
+ DUMPPHY(PLLCTRL_CFG3);
+ DUMPPHY(PLLCTRL_CFG4);
+}
+
#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \
defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE)
void hdmi_wp_audio_config_format(struct hdmi_ip_data *ip_data,
--
1.7.5.4
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