struct msm_dp_desc {
phys_addr_t io_start;
+ unsigned int id;
unsigned int connector_type;
bool wide_bus_en;
};
-struct msm_dp_config {
- const struct msm_dp_desc *descs;
- size_t num_descs;
-};
-
static const struct msm_dp_desc sc7180_dp_descs[] = {
- [MSM_DP_CONTROLLER_0] = { .io_start = 0x0ae90000, .connector_type = DRM_MODE_CONNECTOR_DisplayPort },
-};
-
-static const struct msm_dp_config sc7180_dp_cfg = {
- .descs = sc7180_dp_descs,
- .num_descs = ARRAY_SIZE(sc7180_dp_descs),
+ { .io_start = 0x0ae90000, .id = MSM_DP_CONTROLLER_0, .connector_type = DRM_MODE_CONNECTOR_DisplayPort },
+ {}
};
static const struct msm_dp_desc sc7280_dp_descs[] = {
- [MSM_DP_CONTROLLER_0] = { .io_start = 0x0ae90000, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
- [MSM_DP_CONTROLLER_1] = { .io_start = 0x0aea0000, .connector_type = DRM_MODE_CONNECTOR_eDP, .wide_bus_en = true },
-};
-
-static const struct msm_dp_config sc7280_dp_cfg = {
- .descs = sc7280_dp_descs,
- .num_descs = ARRAY_SIZE(sc7280_dp_descs),
+ { .io_start = 0x0ae90000, .id = MSM_DP_CONTROLLER_0, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
+ { .io_start = 0x0aea0000, .id = MSM_DP_CONTROLLER_1, .connector_type = DRM_MODE_CONNECTOR_eDP, .wide_bus_en = true },
+ {}
};
static const struct msm_dp_desc sc8180x_dp_descs[] = {
- [MSM_DP_CONTROLLER_0] = { .io_start = 0x0ae90000, .connector_type = DRM_MODE_CONNECTOR_DisplayPort },
- [MSM_DP_CONTROLLER_1] = { .io_start = 0x0ae98000, .connector_type = DRM_MODE_CONNECTOR_DisplayPort },
- [MSM_DP_CONTROLLER_2] = { .io_start = 0x0ae9a000, .connector_type = DRM_MODE_CONNECTOR_eDP },
+ { .io_start = 0x0ae90000, .id = MSM_DP_CONTROLLER_0, .connector_type = DRM_MODE_CONNECTOR_DisplayPort },
+ { .io_start = 0x0ae98000, .id = MSM_DP_CONTROLLER_1, .connector_type = DRM_MODE_CONNECTOR_DisplayPort },
+ { .io_start = 0x0ae9a000, .id = MSM_DP_CONTROLLER_2, .connector_type = DRM_MODE_CONNECTOR_eDP },
+ {}
};
-static const struct msm_dp_config sc8180x_dp_cfg = {
- .descs = sc8180x_dp_descs,
- .num_descs = ARRAY_SIZE(sc8180x_dp_descs),
+static const struct msm_dp_desc sc8280xp_dp_descs[] = {
+ { .io_start = 0x0ae90000, .id = MSM_DP_CONTROLLER_0, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
+ { .io_start = 0x0ae98000, .id = MSM_DP_CONTROLLER_1, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
+ { .io_start = 0x0ae9a000, .id = MSM_DP_CONTROLLER_2, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
+ { .io_start = 0x0aea0000, .id = MSM_DP_CONTROLLER_3, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
+ { .io_start = 0x22090000, .id = MSM_DP_CONTROLLER_0, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
+ { .io_start = 0x22098000, .id = MSM_DP_CONTROLLER_1, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
+ { .io_start = 0x2209a000, .id = MSM_DP_CONTROLLER_2, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
+ { .io_start = 0x220a0000, .id = MSM_DP_CONTROLLER_3, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
+ {}
};
-static const struct msm_dp_desc sm8350_dp_descs[] = {
- [MSM_DP_CONTROLLER_0] = { .io_start = 0x0ae90000, .connector_type = DRM_MODE_CONNECTOR_DisplayPort },
+static const struct msm_dp_desc sc8280xp_edp_descs[] = {
+ { .io_start = 0x0ae9a000, .id = MSM_DP_CONTROLLER_2, .connector_type = DRM_MODE_CONNECTOR_eDP, .wide_bus_en = true },
+ { .io_start = 0x0aea0000, .id = MSM_DP_CONTROLLER_3, .connector_type = DRM_MODE_CONNECTOR_eDP, .wide_bus_en = true },
+ { .io_start = 0x2209a000, .id = MSM_DP_CONTROLLER_2, .connector_type = DRM_MODE_CONNECTOR_eDP, .wide_bus_en = true },
+ { .io_start = 0x220a0000, .id = MSM_DP_CONTROLLER_3, .connector_type = DRM_MODE_CONNECTOR_eDP, .wide_bus_en = true },
+ {}
};
-static const struct msm_dp_config sm8350_dp_cfg = {
- .descs = sm8350_dp_descs,
- .num_descs = ARRAY_SIZE(sm8350_dp_descs),
+static const struct msm_dp_desc sm8350_dp_descs[] = {
+ { .io_start = 0x0ae90000, .id = MSM_DP_CONTROLLER_0, .connector_type = DRM_MODE_CONNECTOR_DisplayPort },
+ {}
};
static const struct of_device_id dp_dt_match[] = {
- { .compatible = "qcom,sc7180-dp", .data = &sc7180_dp_cfg },
- { .compatible = "qcom,sc7280-dp", .data = &sc7280_dp_cfg },
- { .compatible = "qcom,sc7280-edp", .data = &sc7280_dp_cfg },
- { .compatible = "qcom,sc8180x-dp", .data = &sc8180x_dp_cfg },
- { .compatible = "qcom,sc8180x-edp", .data = &sc8180x_dp_cfg },
- { .compatible = "qcom,sm8350-dp", .data = &sm8350_dp_cfg },
+ { .compatible = "qcom,sc7180-dp", .data = &sc7180_dp_descs },
+ { .compatible = "qcom,sc7280-dp", .data = &sc7280_dp_descs },
+ { .compatible = "qcom,sc7280-edp", .data = &sc7280_dp_descs },
+ { .compatible = "qcom,sc8180x-dp", .data = &sc8180x_dp_descs },
+ { .compatible = "qcom,sc8180x-edp", .data = &sc8180x_dp_descs },
+ { .compatible = "qcom,sc8280xp-dp", .data = &sc8280xp_dp_descs },
+ { .compatible = "qcom,sc8280xp-edp", .data = &sc8280xp_edp_descs },
+ { .compatible = "qcom,sdm845-dp", .data = &sc7180_dp_descs },
+ { .compatible = "qcom,sm8350-dp", .data = &sm8350_dp_descs },
{}
};
struct edid *edid;
dp->panel->max_dp_lanes = dp->parser->max_dp_lanes;
+ dp->panel->max_dp_link_rate = dp->parser->max_dp_link_rate;
+
+ drm_dbg_dp(dp->drm_dev, "max_lanes=%d max_link_rate=%d\n",
+ dp->panel->max_dp_lanes, dp->panel->max_dp_link_rate);
rc = dp_panel_read_sink_caps(dp->panel, dp->dp_display.connector);
if (rc)
}
/* enable HDP irq_hpd/replug interrupt */
- dp_catalog_hpd_config_intr(dp->catalog,
- DP_DP_IRQ_HPD_INT_MASK | DP_DP_HPD_REPLUG_INT_MASK, true);
+ if (dp->dp_display.internal_hpd)
+ dp_catalog_hpd_config_intr(dp->catalog,
+ DP_DP_IRQ_HPD_INT_MASK | DP_DP_HPD_REPLUG_INT_MASK,
+ true);
drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n",
dp->dp_display.connector_type, state);
dp->dp_display.connector_type, state);
/* disable irq_hpd/replug interrupts */
- dp_catalog_hpd_config_intr(dp->catalog,
- DP_DP_IRQ_HPD_INT_MASK | DP_DP_HPD_REPLUG_INT_MASK, false);
+ if (dp->dp_display.internal_hpd)
+ dp_catalog_hpd_config_intr(dp->catalog,
+ DP_DP_IRQ_HPD_INT_MASK | DP_DP_HPD_REPLUG_INT_MASK,
+ false);
/* unplugged, no more irq_hpd handle */
dp_del_event(dp, EV_IRQ_HPD_INT);
}
/* disable HPD plug interrupts */
- dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_PLUG_INT_MASK, false);
+ if (dp->dp_display.internal_hpd)
+ dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_PLUG_INT_MASK, false);
/*
* We don't need separate work for disconnect as
dp_display_handle_plugged_change(&dp->dp_display, false);
/* enable HDP plug interrupt to prepare for next plugin */
- if (!dp->dp_display.is_edp)
+ if (dp->dp_display.internal_hpd)
dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_PLUG_INT_MASK, true);
drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n",
dp_display_host_init(dp);
dp_catalog_ctrl_hpd_config(dp->catalog);
- /* Enable plug and unplug interrupts only for external DisplayPort */
- if (!dp->dp_display.is_edp)
+ /* Enable plug and unplug interrupts only if requested */
+ if (dp->dp_display.internal_hpd)
dp_catalog_hpd_config_intr(dp->catalog,
DP_DP_HPD_PLUG_INT_MASK |
DP_DP_HPD_UNPLUG_INT_MASK,
return 0;
}
-static const struct msm_dp_desc *dp_display_get_desc(struct platform_device *pdev,
- unsigned int *id)
+static const struct msm_dp_desc *dp_display_get_desc(struct platform_device *pdev)
{
- const struct msm_dp_config *cfg = of_device_get_match_data(&pdev->dev);
+ const struct msm_dp_desc *descs = of_device_get_match_data(&pdev->dev);
struct resource *res;
int i;
if (!res)
return NULL;
- for (i = 0; i < cfg->num_descs; i++) {
- if (cfg->descs[i].io_start == res->start) {
- *id = i;
- return &cfg->descs[i];
- }
+ for (i = 0; i < descs[i].io_start; i++) {
+ if (descs[i].io_start == res->start)
+ return &descs[i];
}
dev_err(&pdev->dev, "unknown displayport instance\n");
if (!dp)
return -ENOMEM;
- desc = dp_display_get_desc(pdev, &dp->id);
+ desc = dp_display_get_desc(pdev);
if (!desc)
return -EINVAL;
dp->pdev = pdev;
dp->name = "drm_dp";
+ dp->id = desc->id;
dp->dp_display.connector_type = desc->connector_type;
dp->wide_bus_en = desc->wide_bus_en;
dp->dp_display.is_edp =
dp_catalog_ctrl_hpd_config(dp->catalog);
-
- if (!dp->dp_display.is_edp)
+ if (dp->dp_display.internal_hpd)
dp_catalog_hpd_config_intr(dp->catalog,
DP_DP_HPD_PLUG_INT_MASK |
DP_DP_HPD_UNPLUG_INT_MASK,
dp = container_of(dp_display, struct dp_display_private, dp_display);
if (!dp_display->is_edp)
- dp_add_event(dp, EV_HPD_INIT_SETUP, 0, 100);
+ dp_add_event(dp, EV_HPD_INIT_SETUP, 0, 0);
}
bool msm_dp_wide_bus_available(const struct msm_dp *dp_display)
dp_display->dp_mode.h_active_low =
!!(dp_display->dp_mode.drm_mode.flags & DRM_MODE_FLAG_NHSYNC);
}
+
+void dp_bridge_hpd_enable(struct drm_bridge *bridge)
+{
+ struct msm_dp_bridge *dp_bridge = to_dp_bridge(bridge);
+ struct msm_dp *dp_display = dp_bridge->dp_display;
+
+ dp_display->internal_hpd = true;
+}
+
+void dp_bridge_hpd_disable(struct drm_bridge *bridge)
+{
+ struct msm_dp_bridge *dp_bridge = to_dp_bridge(bridge);
+ struct msm_dp *dp_display = dp_bridge->dp_display;
+
+ dp_display->internal_hpd = false;
+}
+
+void dp_bridge_hpd_notify(struct drm_bridge *bridge,
+ enum drm_connector_status status)
+{
+ struct msm_dp_bridge *dp_bridge = to_dp_bridge(bridge);
+ struct msm_dp *dp_display = dp_bridge->dp_display;
+ struct dp_display_private *dp = container_of(dp_display, struct dp_display_private, dp_display);
+
+ /* Without next_bridge interrupts are handled by the DP core directly */
+ if (dp_display->internal_hpd)
+ return;
+
+ if (!dp->core_initialized) {
+ drm_dbg_dp(dp->drm_dev, "not initialized\n");
+ return;
+ }
+
+ if (!dp_display->is_connected && status == connector_status_connected)
+ dp_add_event(dp, EV_HPD_PLUG_INT, 0, 0);
+ else if (dp_display->is_connected && status == connector_status_disconnected)
+ dp_add_event(dp, EV_HPD_UNPLUG_INT, 0, 0);
+}
projects / linux-2.6-microblaze.git / blobdiff