Create a single rcar_du_encoder structure that implements a KMS encoder.
The current implementation is straightforward and only configures CRTC
output routing.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
rcar-du-drm-y := rcar_du_crtc.o \
rcar_du_drv.o \
+ rcar_du_encoder.o \
rcar_du_kms.o \
- rcar_du_lvds.o \
rcar_du_lvdscon.o \
rcar_du_plane.o \
- rcar_du_vga.o \
rcar_du_vgacon.o
obj-$(CONFIG_DRM_RCAR_DU) += rcar-du-drm.o
#include "rcar_du_crtc.h"
#include "rcar_du_drv.h"
#include "rcar_du_kms.h"
-#include "rcar_du_lvds.h"
#include "rcar_du_plane.h"
#include "rcar_du_regs.h"
-#include "rcar_du_vga.h"
#define to_rcar_crtc(c) container_of(c, struct rcar_du_crtc, crtc)
--- /dev/null
+/*
+ * rcar_du_encoder.c -- R-Car Display Unit Encoder
+ *
+ * Copyright (C) 2013 Renesas Corporation
+ *
+ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+
+#include "rcar_du_drv.h"
+#include "rcar_du_encoder.h"
+#include "rcar_du_kms.h"
+#include "rcar_du_lvdscon.h"
+#include "rcar_du_vgacon.h"
+
+/* -----------------------------------------------------------------------------
+ * Common connector functions
+ */
+
+struct drm_encoder *
+rcar_du_connector_best_encoder(struct drm_connector *connector)
+{
+ struct rcar_du_connector *rcon = to_rcar_connector(connector);
+
+ return &rcon->encoder->encoder;
+}
+
+/* -----------------------------------------------------------------------------
+ * Encoder
+ */
+
+static void rcar_du_encoder_dpms(struct drm_encoder *encoder, int mode)
+{
+}
+
+static bool rcar_du_encoder_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ const struct drm_display_mode *panel_mode;
+ struct drm_device *dev = encoder->dev;
+ struct drm_connector *connector;
+ bool found = false;
+
+ /* DAC encoders have currently no restriction on the mode. */
+ if (encoder->encoder_type == DRM_MODE_ENCODER_DAC)
+ return true;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ if (connector->encoder == encoder) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found) {
+ dev_dbg(dev->dev, "mode_fixup: no connector found\n");
+ return false;
+ }
+
+ if (list_empty(&connector->modes)) {
+ dev_dbg(dev->dev, "mode_fixup: empty modes list\n");
+ return false;
+ }
+
+ panel_mode = list_first_entry(&connector->modes,
+ struct drm_display_mode, head);
+
+ /* We're not allowed to modify the resolution. */
+ if (mode->hdisplay != panel_mode->hdisplay ||
+ mode->vdisplay != panel_mode->vdisplay)
+ return false;
+
+ /* The flat panel mode is fixed, just copy it to the adjusted mode. */
+ drm_mode_copy(adjusted_mode, panel_mode);
+
+ return true;
+}
+
+static void rcar_du_encoder_mode_prepare(struct drm_encoder *encoder)
+{
+}
+
+static void rcar_du_encoder_mode_commit(struct drm_encoder *encoder)
+{
+}
+
+static void rcar_du_encoder_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct rcar_du_encoder *renc = to_rcar_encoder(encoder);
+
+ rcar_du_crtc_route_output(encoder->crtc, renc->output);
+}
+
+static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
+ .dpms = rcar_du_encoder_dpms,
+ .mode_fixup = rcar_du_encoder_mode_fixup,
+ .prepare = rcar_du_encoder_mode_prepare,
+ .commit = rcar_du_encoder_mode_commit,
+ .mode_set = rcar_du_encoder_mode_set,
+};
+
+static const struct drm_encoder_funcs encoder_funcs = {
+ .destroy = drm_encoder_cleanup,
+};
+
+int rcar_du_encoder_init(struct rcar_du_device *rcdu,
+ enum rcar_du_encoder_type type, unsigned int output,
+ const struct rcar_du_encoder_data *data)
+{
+ struct rcar_du_encoder *renc;
+ int ret;
+
+ renc = devm_kzalloc(rcdu->dev, sizeof(*renc), GFP_KERNEL);
+ if (renc == NULL)
+ return -ENOMEM;
+
+ renc->output = output;
+
+ ret = drm_encoder_init(rcdu->ddev, &renc->encoder, &encoder_funcs,
+ type);
+ if (ret < 0)
+ return ret;
+
+ drm_encoder_helper_add(&renc->encoder, &encoder_helper_funcs);
+
+ switch (type) {
+ case RCAR_DU_ENCODER_LVDS:
+ return rcar_du_lvds_connector_init(rcdu, renc,
+ &data->u.lvds.panel);
+
+ case RCAR_DU_ENCODER_VGA:
+ return rcar_du_vga_connector_init(rcdu, renc);
+
+ default:
+ return -EINVAL;
+ }
+}
--- /dev/null
+/*
+ * rcar_du_encoder.h -- R-Car Display Unit Encoder
+ *
+ * Copyright (C) 2013 Renesas Corporation
+ *
+ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __RCAR_DU_ENCODER_H__
+#define __RCAR_DU_ENCODER_H__
+
+#include <drm/drm_crtc.h>
+
+struct rcar_du_device;
+struct rcar_du_encoder_data;
+
+struct rcar_du_encoder {
+ struct drm_encoder encoder;
+ unsigned int output;
+};
+
+#define to_rcar_encoder(e) \
+ container_of(e, struct rcar_du_encoder, encoder)
+
+struct rcar_du_connector {
+ struct drm_connector connector;
+ struct rcar_du_encoder *encoder;
+};
+
+#define to_rcar_connector(c) \
+ container_of(c, struct rcar_du_connector, connector)
+
+struct drm_encoder *
+rcar_du_connector_best_encoder(struct drm_connector *connector);
+
+int rcar_du_encoder_init(struct rcar_du_device *rcdu,
+ enum rcar_du_encoder_type type, unsigned int output,
+ const struct rcar_du_encoder_data *data);
+
+#endif /* __RCAR_DU_ENCODER_H__ */
#include "rcar_du_crtc.h"
#include "rcar_du_drv.h"
+#include "rcar_du_encoder.h"
#include "rcar_du_kms.h"
-#include "rcar_du_lvds.h"
#include "rcar_du_regs.h"
-#include "rcar_du_vga.h"
/* -----------------------------------------------------------------------------
* Format helpers
return NULL;
}
-/* -----------------------------------------------------------------------------
- * Common connector and encoder functions
- */
-
-struct drm_encoder *
-rcar_du_connector_best_encoder(struct drm_connector *connector)
-{
- struct rcar_du_connector *rcon = to_rcar_connector(connector);
-
- return &rcon->encoder->encoder;
-}
-
-void rcar_du_encoder_mode_prepare(struct drm_encoder *encoder)
-{
-}
-
-void rcar_du_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct rcar_du_encoder *renc = to_rcar_encoder(encoder);
-
- rcar_du_crtc_route_output(encoder->crtc, renc->output);
-}
-
-void rcar_du_encoder_mode_commit(struct drm_encoder *encoder)
-{
-}
-
/* -----------------------------------------------------------------------------
* Frame buffer
*/
const struct rcar_du_encoder_data *pdata =
&rcdu->pdata->encoders[i];
+ if (pdata->encoder == RCAR_DU_ENCODER_UNUSED)
+ continue;
+
if (pdata->output >= ARRAY_SIZE(rcdu->crtcs)) {
dev_warn(rcdu->dev,
"encoder %u references unexisting output %u, skipping\n",
continue;
}
- switch (pdata->encoder) {
- case RCAR_DU_ENCODER_VGA:
- rcar_du_vga_init(rcdu, &pdata->u.vga, pdata->output);
- break;
-
- case RCAR_DU_ENCODER_LVDS:
- rcar_du_lvds_init(rcdu, &pdata->u.lvds, pdata->output);
- break;
-
- default:
- break;
- }
+ rcar_du_encoder_init(rcdu, pdata->encoder, pdata->output,
+ pdata);
}
/* Set the possible CRTCs and possible clones. All encoders can be
#include <linux/types.h>
-#include <drm/drm_crtc.h>
-
+struct drm_file;
+struct drm_device;
+struct drm_mode_create_dumb;
struct rcar_du_device;
struct rcar_du_format_info {
unsigned int edf;
};
-struct rcar_du_encoder {
- struct drm_encoder encoder;
- unsigned int output;
-};
-
-#define to_rcar_encoder(e) \
- container_of(e, struct rcar_du_encoder, encoder)
-
-struct rcar_du_connector {
- struct drm_connector connector;
- struct rcar_du_encoder *encoder;
-};
-
-#define to_rcar_connector(c) \
- container_of(c, struct rcar_du_connector, connector)
-
const struct rcar_du_format_info *rcar_du_format_info(u32 fourcc);
-struct drm_encoder *
-rcar_du_connector_best_encoder(struct drm_connector *connector);
-void rcar_du_encoder_mode_prepare(struct drm_encoder *encoder);
-void rcar_du_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode);
-void rcar_du_encoder_mode_commit(struct drm_encoder *encoder);
-
int rcar_du_modeset_init(struct rcar_du_device *rcdu);
int rcar_du_dumb_create(struct drm_file *file, struct drm_device *dev,
+++ /dev/null
-/*
- * rcar_du_lvds.c -- R-Car Display Unit LVDS Encoder
- *
- * Copyright (C) 2013 Renesas Corporation
- *
- * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <drm/drmP.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-
-#include "rcar_du_drv.h"
-#include "rcar_du_kms.h"
-#include "rcar_du_lvds.h"
-#include "rcar_du_lvdscon.h"
-
-static void rcar_du_lvds_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
-}
-
-static bool rcar_du_lvds_encoder_mode_fixup(struct drm_encoder *encoder,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- const struct drm_display_mode *panel_mode;
- struct drm_device *dev = encoder->dev;
- struct drm_connector *connector;
- bool found = false;
-
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (connector->encoder == encoder) {
- found = true;
- break;
- }
- }
-
- if (!found) {
- dev_dbg(dev->dev, "mode_fixup: no connector found\n");
- return false;
- }
-
- if (list_empty(&connector->modes)) {
- dev_dbg(dev->dev, "mode_fixup: empty modes list\n");
- return false;
- }
-
- panel_mode = list_first_entry(&connector->modes,
- struct drm_display_mode, head);
-
- /* We're not allowed to modify the resolution. */
- if (mode->hdisplay != panel_mode->hdisplay ||
- mode->vdisplay != panel_mode->vdisplay)
- return false;
-
- /* The flat panel mode is fixed, just copy it to the adjusted mode. */
- drm_mode_copy(adjusted_mode, panel_mode);
-
- return true;
-}
-
-static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
- .dpms = rcar_du_lvds_encoder_dpms,
- .mode_fixup = rcar_du_lvds_encoder_mode_fixup,
- .prepare = rcar_du_encoder_mode_prepare,
- .commit = rcar_du_encoder_mode_commit,
- .mode_set = rcar_du_encoder_mode_set,
-};
-
-static const struct drm_encoder_funcs encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
-int rcar_du_lvds_init(struct rcar_du_device *rcdu,
- const struct rcar_du_encoder_lvds_data *data,
- unsigned int output)
-{
- struct rcar_du_encoder *renc;
- int ret;
-
- renc = devm_kzalloc(rcdu->dev, sizeof(*renc), GFP_KERNEL);
- if (renc == NULL)
- return -ENOMEM;
-
- renc->output = output;
-
- ret = drm_encoder_init(rcdu->ddev, &renc->encoder, &encoder_funcs,
- DRM_MODE_ENCODER_LVDS);
- if (ret < 0)
- return ret;
-
- drm_encoder_helper_add(&renc->encoder, &encoder_helper_funcs);
-
- return rcar_du_lvds_connector_init(rcdu, renc, &data->panel);
-}
+++ /dev/null
-/*
- * rcar_du_lvds.h -- R-Car Display Unit LVDS Encoder and Connector
- *
- * Copyright (C) 2013 Renesas Corporation
- *
- * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef __RCAR_DU_LVDS_H__
-#define __RCAR_DU_LVDS_H__
-
-struct rcar_du_device;
-struct rcar_du_encoder_lvds_data;
-
-int rcar_du_lvds_init(struct rcar_du_device *rcdu,
- const struct rcar_du_encoder_lvds_data *data,
- unsigned int output);
-
-#endif /* __RCAR_DU_LVDS_H__ */
#include <drm/drm_crtc_helper.h>
#include "rcar_du_drv.h"
+#include "rcar_du_encoder.h"
#include "rcar_du_kms.h"
#include "rcar_du_lvdscon.h"
+++ /dev/null
-/*
- * rcar_du_vga.c -- R-Car Display Unit VGA DAC
- *
- * Copyright (C) 2013 Renesas Corporation
- *
- * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <drm/drmP.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-
-#include "rcar_du_drv.h"
-#include "rcar_du_kms.h"
-#include "rcar_du_vga.h"
-#include "rcar_du_vgacon.h"
-
-static void rcar_du_vga_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
-}
-
-static bool rcar_du_vga_encoder_mode_fixup(struct drm_encoder *encoder,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- return true;
-}
-
-static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
- .dpms = rcar_du_vga_encoder_dpms,
- .mode_fixup = rcar_du_vga_encoder_mode_fixup,
- .prepare = rcar_du_encoder_mode_prepare,
- .commit = rcar_du_encoder_mode_commit,
- .mode_set = rcar_du_encoder_mode_set,
-};
-
-static const struct drm_encoder_funcs encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
-int rcar_du_vga_init(struct rcar_du_device *rcdu,
- const struct rcar_du_encoder_vga_data *data,
- unsigned int output)
-{
- struct rcar_du_encoder *renc;
- int ret;
-
- renc = devm_kzalloc(rcdu->dev, sizeof(*renc), GFP_KERNEL);
- if (renc == NULL)
- return -ENOMEM;
-
- renc->output = output;
-
- ret = drm_encoder_init(rcdu->ddev, &renc->encoder, &encoder_funcs,
- DRM_MODE_ENCODER_DAC);
- if (ret < 0)
- return ret;
-
- drm_encoder_helper_add(&renc->encoder, &encoder_helper_funcs);
-
- return rcar_du_vga_connector_init(rcdu, renc);
-}
+++ /dev/null
-/*
- * rcar_du_vga.h -- R-Car Display Unit VGA DAC
- *
- * Copyright (C) 2013 Renesas Corporation
- *
- * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef __RCAR_DU_VGA_H__
-#define __RCAR_DU_VGA_H__
-
-struct rcar_du_device;
-struct rcar_du_encoder_vga_data;
-
-int rcar_du_vga_init(struct rcar_du_device *rcdu,
- const struct rcar_du_encoder_vga_data *data,
- unsigned int output);
-
-#endif /* __RCAR_DU_VGA_H__ */
#include <drm/drm_crtc_helper.h>
#include "rcar_du_drv.h"
+#include "rcar_du_encoder.h"
#include "rcar_du_kms.h"
#include "rcar_du_vgacon.h"
projects / firefly-linux-kernel-4.4.55.git / commitdiff