|
@@ -1,7 +1,7 @@
|
|
|
/*
|
|
|
* rcar_du_drv.c -- R-Car Display Unit DRM driver
|
|
|
*
|
|
|
- * Copyright (C) 2013 Renesas Corporation
|
|
|
+ * Copyright (C) 2013-2014 Renesas Electronics Corporation
|
|
|
*
|
|
|
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
|
|
|
*
|
|
@@ -15,6 +15,7 @@
|
|
|
#include <linux/io.h>
|
|
|
#include <linux/mm.h>
|
|
|
#include <linux/module.h>
|
|
|
+#include <linux/of_device.h>
|
|
|
#include <linux/platform_device.h>
|
|
|
#include <linux/pm.h>
|
|
|
#include <linux/slab.h>
|
|
@@ -29,6 +30,97 @@
|
|
|
#include "rcar_du_kms.h"
|
|
|
#include "rcar_du_regs.h"
|
|
|
|
|
|
+/* -----------------------------------------------------------------------------
|
|
|
+ * Device Information
|
|
|
+ */
|
|
|
+
|
|
|
+static const struct rcar_du_device_info rcar_du_r8a7779_info = {
|
|
|
+ .features = 0,
|
|
|
+ .num_crtcs = 2,
|
|
|
+ .routes = {
|
|
|
+ /* R8A7779 has two RGB outputs and one (currently unsupported)
|
|
|
+ * TCON output.
|
|
|
+ */
|
|
|
+ [RCAR_DU_OUTPUT_DPAD0] = {
|
|
|
+ .possible_crtcs = BIT(0),
|
|
|
+ .encoder_type = DRM_MODE_ENCODER_NONE,
|
|
|
+ .port = 0,
|
|
|
+ },
|
|
|
+ [RCAR_DU_OUTPUT_DPAD1] = {
|
|
|
+ .possible_crtcs = BIT(1) | BIT(0),
|
|
|
+ .encoder_type = DRM_MODE_ENCODER_NONE,
|
|
|
+ .port = 1,
|
|
|
+ },
|
|
|
+ },
|
|
|
+ .num_lvds = 0,
|
|
|
+};
|
|
|
+
|
|
|
+static const struct rcar_du_device_info rcar_du_r8a7790_info = {
|
|
|
+ .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8,
|
|
|
+ .quirks = RCAR_DU_QUIRK_ALIGN_128B | RCAR_DU_QUIRK_LVDS_LANES,
|
|
|
+ .num_crtcs = 3,
|
|
|
+ .routes = {
|
|
|
+ /* R8A7790 has one RGB output, two LVDS outputs and one
|
|
|
+ * (currently unsupported) TCON output.
|
|
|
+ */
|
|
|
+ [RCAR_DU_OUTPUT_DPAD0] = {
|
|
|
+ .possible_crtcs = BIT(2) | BIT(1) | BIT(0),
|
|
|
+ .encoder_type = DRM_MODE_ENCODER_NONE,
|
|
|
+ .port = 0,
|
|
|
+ },
|
|
|
+ [RCAR_DU_OUTPUT_LVDS0] = {
|
|
|
+ .possible_crtcs = BIT(0),
|
|
|
+ .encoder_type = DRM_MODE_ENCODER_LVDS,
|
|
|
+ .port = 1,
|
|
|
+ },
|
|
|
+ [RCAR_DU_OUTPUT_LVDS1] = {
|
|
|
+ .possible_crtcs = BIT(2) | BIT(1),
|
|
|
+ .encoder_type = DRM_MODE_ENCODER_LVDS,
|
|
|
+ .port = 2,
|
|
|
+ },
|
|
|
+ },
|
|
|
+ .num_lvds = 2,
|
|
|
+};
|
|
|
+
|
|
|
+static const struct rcar_du_device_info rcar_du_r8a7791_info = {
|
|
|
+ .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8,
|
|
|
+ .num_crtcs = 2,
|
|
|
+ .routes = {
|
|
|
+ /* R8A7791 has one RGB output, one LVDS output and one
|
|
|
+ * (currently unsupported) TCON output.
|
|
|
+ */
|
|
|
+ [RCAR_DU_OUTPUT_DPAD0] = {
|
|
|
+ .possible_crtcs = BIT(1),
|
|
|
+ .encoder_type = DRM_MODE_ENCODER_NONE,
|
|
|
+ .port = 0,
|
|
|
+ },
|
|
|
+ [RCAR_DU_OUTPUT_LVDS0] = {
|
|
|
+ .possible_crtcs = BIT(0),
|
|
|
+ .encoder_type = DRM_MODE_ENCODER_LVDS,
|
|
|
+ .port = 1,
|
|
|
+ },
|
|
|
+ },
|
|
|
+ .num_lvds = 1,
|
|
|
+};
|
|
|
+
|
|
|
+static const struct platform_device_id rcar_du_id_table[] = {
|
|
|
+ { "rcar-du-r8a7779", (kernel_ulong_t)&rcar_du_r8a7779_info },
|
|
|
+ { "rcar-du-r8a7790", (kernel_ulong_t)&rcar_du_r8a7790_info },
|
|
|
+ { "rcar-du-r8a7791", (kernel_ulong_t)&rcar_du_r8a7791_info },
|
|
|
+ { }
|
|
|
+};
|
|
|
+
|
|
|
+MODULE_DEVICE_TABLE(platform, rcar_du_id_table);
|
|
|
+
|
|
|
+static const struct of_device_id rcar_du_of_table[] = {
|
|
|
+ { .compatible = "renesas,du-r8a7779", .data = &rcar_du_r8a7779_info },
|
|
|
+ { .compatible = "renesas,du-r8a7790", .data = &rcar_du_r8a7790_info },
|
|
|
+ { .compatible = "renesas,du-r8a7791", .data = &rcar_du_r8a7791_info },
|
|
|
+ { }
|
|
|
+};
|
|
|
+
|
|
|
+MODULE_DEVICE_TABLE(of, rcar_du_of_table);
|
|
|
+
|
|
|
/* -----------------------------------------------------------------------------
|
|
|
* DRM operations
|
|
|
*/
|
|
@@ -53,12 +145,13 @@ static int rcar_du_unload(struct drm_device *dev)
|
|
|
static int rcar_du_load(struct drm_device *dev, unsigned long flags)
|
|
|
{
|
|
|
struct platform_device *pdev = dev->platformdev;
|
|
|
+ struct device_node *np = pdev->dev.of_node;
|
|
|
struct rcar_du_platform_data *pdata = pdev->dev.platform_data;
|
|
|
struct rcar_du_device *rcdu;
|
|
|
struct resource *mem;
|
|
|
int ret;
|
|
|
|
|
|
- if (pdata == NULL) {
|
|
|
+ if (pdata == NULL && np == NULL) {
|
|
|
dev_err(dev->dev, "no platform data\n");
|
|
|
return -ENODEV;
|
|
|
}
|
|
@@ -71,7 +164,8 @@ static int rcar_du_load(struct drm_device *dev, unsigned long flags)
|
|
|
|
|
|
rcdu->dev = &pdev->dev;
|
|
|
rcdu->pdata = pdata;
|
|
|
- rcdu->info = (struct rcar_du_device_info *)pdev->id_entry->driver_data;
|
|
|
+ rcdu->info = np ? of_match_device(rcar_du_of_table, rcdu->dev)->data
|
|
|
+ : (void *)platform_get_device_id(pdev)->driver_data;
|
|
|
rcdu->ddev = dev;
|
|
|
dev->dev_private = rcdu;
|
|
|
|
|
@@ -232,77 +326,6 @@ static int rcar_du_remove(struct platform_device *pdev)
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-static const struct rcar_du_device_info rcar_du_r8a7779_info = {
|
|
|
- .features = 0,
|
|
|
- .num_crtcs = 2,
|
|
|
- .routes = {
|
|
|
- /* R8A7779 has two RGB outputs and one (currently unsupported)
|
|
|
- * TCON output.
|
|
|
- */
|
|
|
- [RCAR_DU_OUTPUT_DPAD0] = {
|
|
|
- .possible_crtcs = BIT(0),
|
|
|
- .encoder_type = DRM_MODE_ENCODER_NONE,
|
|
|
- },
|
|
|
- [RCAR_DU_OUTPUT_DPAD1] = {
|
|
|
- .possible_crtcs = BIT(1) | BIT(0),
|
|
|
- .encoder_type = DRM_MODE_ENCODER_NONE,
|
|
|
- },
|
|
|
- },
|
|
|
- .num_lvds = 0,
|
|
|
-};
|
|
|
-
|
|
|
-static const struct rcar_du_device_info rcar_du_r8a7790_info = {
|
|
|
- .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8,
|
|
|
- .quirks = RCAR_DU_QUIRK_ALIGN_128B | RCAR_DU_QUIRK_LVDS_LANES,
|
|
|
- .num_crtcs = 3,
|
|
|
- .routes = {
|
|
|
- /* R8A7790 has one RGB output, two LVDS outputs and one
|
|
|
- * (currently unsupported) TCON output.
|
|
|
- */
|
|
|
- [RCAR_DU_OUTPUT_DPAD0] = {
|
|
|
- .possible_crtcs = BIT(2) | BIT(1) | BIT(0),
|
|
|
- .encoder_type = DRM_MODE_ENCODER_NONE,
|
|
|
- },
|
|
|
- [RCAR_DU_OUTPUT_LVDS0] = {
|
|
|
- .possible_crtcs = BIT(0),
|
|
|
- .encoder_type = DRM_MODE_ENCODER_LVDS,
|
|
|
- },
|
|
|
- [RCAR_DU_OUTPUT_LVDS1] = {
|
|
|
- .possible_crtcs = BIT(2) | BIT(1),
|
|
|
- .encoder_type = DRM_MODE_ENCODER_LVDS,
|
|
|
- },
|
|
|
- },
|
|
|
- .num_lvds = 2,
|
|
|
-};
|
|
|
-
|
|
|
-static const struct rcar_du_device_info rcar_du_r8a7791_info = {
|
|
|
- .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8,
|
|
|
- .num_crtcs = 2,
|
|
|
- .routes = {
|
|
|
- /* R8A7791 has one RGB output, one LVDS output and one
|
|
|
- * (currently unsupported) TCON output.
|
|
|
- */
|
|
|
- [RCAR_DU_OUTPUT_DPAD0] = {
|
|
|
- .possible_crtcs = BIT(1),
|
|
|
- .encoder_type = DRM_MODE_ENCODER_NONE,
|
|
|
- },
|
|
|
- [RCAR_DU_OUTPUT_LVDS0] = {
|
|
|
- .possible_crtcs = BIT(0),
|
|
|
- .encoder_type = DRM_MODE_ENCODER_LVDS,
|
|
|
- },
|
|
|
- },
|
|
|
- .num_lvds = 1,
|
|
|
-};
|
|
|
-
|
|
|
-static const struct platform_device_id rcar_du_id_table[] = {
|
|
|
- { "rcar-du-r8a7779", (kernel_ulong_t)&rcar_du_r8a7779_info },
|
|
|
- { "rcar-du-r8a7790", (kernel_ulong_t)&rcar_du_r8a7790_info },
|
|
|
- { "rcar-du-r8a7791", (kernel_ulong_t)&rcar_du_r8a7791_info },
|
|
|
- { }
|
|
|
-};
|
|
|
-
|
|
|
-MODULE_DEVICE_TABLE(platform, rcar_du_id_table);
|
|
|
-
|
|
|
static struct platform_driver rcar_du_platform_driver = {
|
|
|
.probe = rcar_du_probe,
|
|
|
.remove = rcar_du_remove,
|
|
@@ -310,6 +333,7 @@ static struct platform_driver rcar_du_platform_driver = {
|
|
|
.owner = THIS_MODULE,
|
|
|
.name = "rcar-du",
|
|
|
.pm = &rcar_du_pm_ops,
|
|
|
+ .of_match_table = rcar_du_of_table,
|
|
|
},
|
|
|
.id_table = rcar_du_id_table,
|
|
|
};
|