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Commit 1d60047d authored by Thierry Reding's avatar Thierry Reding
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drm/tegra: hdmi: Register debugfs in ->late_register() 

The ->late_register() and ->early_unregister() callbacks are called at
the right time to make sure userspace only accesses interfaces when it
should. Move debugfs registration and unregistration to these callback
functions to avoid potential races with userspace.
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent a813d704
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Showing with 245 additions and 265 deletions
drivers/gpu/drm/tegra/hdmi.c
View file @ 1d60047d
......@@ -79,8 +79,6 @@ struct tegra_hdmi {
bool dvi;
struct drm_info_list *debugfs_files;
struct drm_minor *minor;
struct dentry *debugfs;
};
static inline struct tegra_hdmi *
......@@ -910,6 +908,249 @@ tegra_hdmi_connector_detect(struct drm_connector *connector, bool force)
return status;
}
#define DEBUGFS_REG32(_name) { .name = #_name, .offset = _name }
static const struct debugfs_reg32 tegra_hdmi_regs[] = {
DEBUGFS_REG32(HDMI_CTXSW),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_STATE0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_STATE1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_STATE2),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_AN_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_AN_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CN_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CN_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_AKSV_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_AKSV_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_BKSV_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_BKSV_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CKSV_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CKSV_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_DKSV_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_DKSV_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CMODE),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_MPRIME_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_MPRIME_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_SPRIME_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_SPRIME_LSB2),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_SPRIME_LSB1),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_RI),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CS_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CS_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_EMU0),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_EMU_RDATA0),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_EMU1),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_EMU2),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_STATUS),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_HEADER),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_SUBPACK0_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_SUBPACK0_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_STATUS),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_HEADER),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK0_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK0_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK1_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK1_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_STATUS),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_HEADER),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK0_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK0_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK1_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK1_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK2_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK2_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK3_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK3_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0320_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0320_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0882_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0882_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_1764_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_1764_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0480_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0480_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0960_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0960_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_1920_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_1920_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_VSYNC_KEEPOUT),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_VSYNC_WINDOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GCP_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GCP_STATUS),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GCP_SUBPACK),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_CHANNEL_STATUS1),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_CHANNEL_STATUS2),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_EMU0),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_EMU1),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_EMU1_RDATA),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_SPARE),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_SPDIF_CHN_STATUS1),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_SPDIF_CHN_STATUS2),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_HDCPRIF_ROM_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_CAP),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_PWR),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_TEST),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_PLL0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_PLL1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_PLL2),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_CSTM),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_LVDS),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_CRCA),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_CRCB),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_BLANK),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_CTL),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(0)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(1)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(2)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(3)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(4)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(5)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(6)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(7)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(8)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(9)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(10)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(11)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(12)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(13)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(14)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(15)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_VCRCA0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_VCRCA1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_CCRCA0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_CCRCA1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_EDATAA0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_EDATAA1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_COUNTA0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_COUNTA1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_DEBUGA0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_DEBUGA1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_TRIG),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_MSCHECK),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_LANE_DRIVE_CURRENT),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_DEBUG0),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_DEBUG1),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_DEBUG2),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(0)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(1)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(2)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(3)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(4)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(5)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(6)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_PULSE_WIDTH),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_THRESHOLD),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_CNTRL0),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_N),
DEBUGFS_REG32(HDMI_NV_PDISP_HDCPRIF_ROM_TIMING),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_REFCLK),
DEBUGFS_REG32(HDMI_NV_PDISP_CRC_CONTROL),
DEBUGFS_REG32(HDMI_NV_PDISP_INPUT_CONTROL),
DEBUGFS_REG32(HDMI_NV_PDISP_SCRATCH),
DEBUGFS_REG32(HDMI_NV_PDISP_PE_CURRENT),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_DEBUG0),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_DEBUG1),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_DEBUG2),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_HDCP_KEY_0),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_HDCP_KEY_1),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_HDCP_KEY_2),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_HDCP_KEY_3),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_HDCP_KEY_TRIG),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_SKEY_INDEX),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_AUDIO_CNTRL0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_AUDIO_SPARE0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_AUDIO_HDA_CODEC_SCRATCH0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_AUDIO_HDA_CODEC_SCRATCH1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_AUDIO_HDA_ELD_BUFWR),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_AUDIO_HDA_PRESENSE),
DEBUGFS_REG32(HDMI_NV_PDISP_INT_STATUS),
DEBUGFS_REG32(HDMI_NV_PDISP_INT_MASK),
DEBUGFS_REG32(HDMI_NV_PDISP_INT_ENABLE),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_IO_PEAK_CURRENT),
};
static int tegra_hdmi_show_regs(struct seq_file *s, void *data)
{
struct drm_info_node *node = s->private;
struct tegra_hdmi *hdmi = node->info_ent->data;
struct drm_crtc *crtc = hdmi->output.encoder.crtc;
struct drm_device *drm = node->minor->dev;
unsigned int i;
int err = 0;
drm_modeset_lock_all(drm);
if (!crtc || !crtc->state->active) {
err = -EBUSY;
goto unlock;
}
for (i = 0; i < ARRAY_SIZE(tegra_hdmi_regs); i++) {
unsigned int offset = tegra_hdmi_regs[i].offset;
seq_printf(s, "%-56s %#05x %08x\n", tegra_hdmi_regs[i].name,
offset, tegra_hdmi_readl(hdmi, offset));
}
unlock:
drm_modeset_unlock_all(drm);
return err;
}
static struct drm_info_list debugfs_files[] = {
{ "regs", tegra_hdmi_show_regs, 0, NULL },
};
static int tegra_hdmi_late_register(struct drm_connector *connector)
{
struct tegra_output *output = connector_to_output(connector);
unsigned int i, count = ARRAY_SIZE(debugfs_files);
struct drm_minor *minor = connector->dev->primary;
struct dentry *root = connector->debugfs_entry;
struct tegra_hdmi *hdmi = to_hdmi(output);
int err;
hdmi->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files),
GFP_KERNEL);
if (!hdmi->debugfs_files)
return -ENOMEM;
for (i = 0; i < count; i++)
hdmi->debugfs_files[i].data = hdmi;
err = drm_debugfs_create_files(hdmi->debugfs_files, count, root, minor);
if (err < 0)
goto free;
return 0;
free:
kfree(hdmi->debugfs_files);
hdmi->debugfs_files = NULL;
return err;
}
static void tegra_hdmi_early_unregister(struct drm_connector *connector)
{
struct tegra_output *output = connector_to_output(connector);
struct drm_minor *minor = connector->dev->primary;
unsigned int count = ARRAY_SIZE(debugfs_files);
struct tegra_hdmi *hdmi = to_hdmi(output);
drm_debugfs_remove_files(hdmi->debugfs_files, count, minor);
kfree(hdmi->debugfs_files);
hdmi->debugfs_files = NULL;
}
static const struct drm_connector_funcs tegra_hdmi_connector_funcs = {
.reset = drm_atomic_helper_connector_reset,
.detect = tegra_hdmi_connector_detect,
......@@ -917,6 +1158,8 @@ static const struct drm_connector_funcs tegra_hdmi_connector_funcs = {
.destroy = tegra_output_connector_destroy,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
.late_register = tegra_hdmi_late_register,
.early_unregister = tegra_hdmi_early_unregister,
};
static enum drm_mode_status
......@@ -1225,260 +1468,6 @@ static const struct drm_encoder_helper_funcs tegra_hdmi_encoder_helper_funcs = {
.atomic_check = tegra_hdmi_encoder_atomic_check,
};
#define DEBUGFS_REG32(_name) { .name = #_name, .offset = _name }
static const struct debugfs_reg32 tegra_hdmi_regs[] = {
DEBUGFS_REG32(HDMI_CTXSW),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_STATE0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_STATE1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_STATE2),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_AN_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_AN_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CN_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CN_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_AKSV_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_AKSV_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_BKSV_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_BKSV_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CKSV_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CKSV_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_DKSV_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_DKSV_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CMODE),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_MPRIME_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_MPRIME_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_SPRIME_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_SPRIME_LSB2),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_SPRIME_LSB1),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_RI),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CS_MSB),
DEBUGFS_REG32(HDMI_NV_PDISP_RG_HDCP_CS_LSB),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_EMU0),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_EMU_RDATA0),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_EMU1),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_EMU2),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_STATUS),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_HEADER),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_SUBPACK0_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_SUBPACK0_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_STATUS),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_HEADER),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK0_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK0_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK1_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK1_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_STATUS),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_HEADER),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK0_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK0_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK1_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK1_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK2_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK2_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK3_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK3_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0320_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0320_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0882_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0882_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_1764_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_1764_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0480_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0480_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0960_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_0960_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_1920_SUBPACK_LOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_ACR_1920_SUBPACK_HIGH),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_VSYNC_KEEPOUT),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_VSYNC_WINDOW),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GCP_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GCP_STATUS),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_GCP_SUBPACK),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_CHANNEL_STATUS1),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_CHANNEL_STATUS2),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_EMU0),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_EMU1),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_EMU1_RDATA),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_SPARE),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_SPDIF_CHN_STATUS1),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_SPDIF_CHN_STATUS2),
DEBUGFS_REG32(HDMI_NV_PDISP_HDMI_HDCPRIF_ROM_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_CAP),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_PWR),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_TEST),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_PLL0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_PLL1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_PLL2),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_CSTM),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_LVDS),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_CRCA),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_CRCB),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_BLANK),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_CTL),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(0)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(1)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(2)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(3)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(4)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(5)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(6)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(7)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(8)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(9)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(10)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(11)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(12)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(13)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(14)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_SEQ_INST(15)),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_VCRCA0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_VCRCA1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_CCRCA0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_CCRCA1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_EDATAA0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_EDATAA1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_COUNTA0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_COUNTA1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_DEBUGA0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_DEBUGA1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_TRIG),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_MSCHECK),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_LANE_DRIVE_CURRENT),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_DEBUG0),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_DEBUG1),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_DEBUG2),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(0)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(1)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(2)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(3)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(4)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(5)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_FS(6)),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_PULSE_WIDTH),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_THRESHOLD),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_CNTRL0),
DEBUGFS_REG32(HDMI_NV_PDISP_AUDIO_N),
DEBUGFS_REG32(HDMI_NV_PDISP_HDCPRIF_ROM_TIMING),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_REFCLK),
DEBUGFS_REG32(HDMI_NV_PDISP_CRC_CONTROL),
DEBUGFS_REG32(HDMI_NV_PDISP_INPUT_CONTROL),
DEBUGFS_REG32(HDMI_NV_PDISP_SCRATCH),
DEBUGFS_REG32(HDMI_NV_PDISP_PE_CURRENT),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_CTRL),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_DEBUG0),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_DEBUG1),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_DEBUG2),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_HDCP_KEY_0),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_HDCP_KEY_1),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_HDCP_KEY_2),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_HDCP_KEY_3),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_HDCP_KEY_TRIG),
DEBUGFS_REG32(HDMI_NV_PDISP_KEY_SKEY_INDEX),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_AUDIO_CNTRL0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_AUDIO_SPARE0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_AUDIO_HDA_CODEC_SCRATCH0),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_AUDIO_HDA_CODEC_SCRATCH1),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_AUDIO_HDA_ELD_BUFWR),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_AUDIO_HDA_PRESENSE),
DEBUGFS_REG32(HDMI_NV_PDISP_INT_STATUS),
DEBUGFS_REG32(HDMI_NV_PDISP_INT_MASK),
DEBUGFS_REG32(HDMI_NV_PDISP_INT_ENABLE),
DEBUGFS_REG32(HDMI_NV_PDISP_SOR_IO_PEAK_CURRENT),
};
static int tegra_hdmi_show_regs(struct seq_file *s, void *data)
{
struct drm_info_node *node = s->private;
struct tegra_hdmi *hdmi = node->info_ent->data;
struct drm_crtc *crtc = hdmi->output.encoder.crtc;
struct drm_device *drm = node->minor->dev;
unsigned int i;
int err = 0;
drm_modeset_lock_all(drm);
if (!crtc || !crtc->state->active) {
err = -EBUSY;
goto unlock;
}
for (i = 0; i < ARRAY_SIZE(tegra_hdmi_regs); i++) {
unsigned int offset = tegra_hdmi_regs[i].offset;
seq_printf(s, "%-56s %#05x %08x\n", tegra_hdmi_regs[i].name,
offset, tegra_hdmi_readl(hdmi, offset));
}
unlock:
drm_modeset_unlock_all(drm);
return err;
}
static struct drm_info_list debugfs_files[] = {
{ "regs", tegra_hdmi_show_regs, 0, NULL },
};
static int tegra_hdmi_debugfs_init(struct tegra_hdmi *hdmi,
struct drm_minor *minor)
{
unsigned int i;
int err;
hdmi->debugfs = debugfs_create_dir("hdmi", minor->debugfs_root);
if (!hdmi->debugfs)
return -ENOMEM;
hdmi->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files),
GFP_KERNEL);
if (!hdmi->debugfs_files) {
err = -ENOMEM;
goto remove;
}
for (i = 0; i < ARRAY_SIZE(debugfs_files); i++)
hdmi->debugfs_files[i].data = hdmi;
err = drm_debugfs_create_files(hdmi->debugfs_files,
ARRAY_SIZE(debugfs_files),
hdmi->debugfs, minor);
if (err < 0)
goto free;
hdmi->minor = minor;
return 0;
free:
kfree(hdmi->debugfs_files);
hdmi->debugfs_files = NULL;
remove:
debugfs_remove(hdmi->debugfs);
hdmi->debugfs = NULL;
return err;
}
static void tegra_hdmi_debugfs_exit(struct tegra_hdmi *hdmi)
{
drm_debugfs_remove_files(hdmi->debugfs_files, ARRAY_SIZE(debugfs_files),
hdmi->minor);
hdmi->minor = NULL;
kfree(hdmi->debugfs_files);
hdmi->debugfs_files = NULL;
debugfs_remove(hdmi->debugfs);
hdmi->debugfs = NULL;
}
static int tegra_hdmi_init(struct host1x_client *client)
{
struct drm_device *drm = dev_get_drvdata(client->parent);
......@@ -1511,12 +1500,6 @@ static int tegra_hdmi_init(struct host1x_client *client)
hdmi->output.encoder.possible_crtcs = 0x3;
if (IS_ENABLED(CONFIG_DEBUG_FS)) {
err = tegra_hdmi_debugfs_init(hdmi, drm->primary);
if (err < 0)
dev_err(client->dev, "debugfs setup failed: %d\n", err);
}
err = regulator_enable(hdmi->hdmi);
if (err < 0) {
dev_err(client->dev, "failed to enable HDMI regulator: %d\n",
......@@ -1549,9 +1532,6 @@ static int tegra_hdmi_exit(struct host1x_client *client)
regulator_disable(hdmi->pll);
regulator_disable(hdmi->hdmi);
if (IS_ENABLED(CONFIG_DEBUG_FS))
tegra_hdmi_debugfs_exit(hdmi);
return 0;
}
......
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