2 * Copyright (C) 2012 Russell King
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
9 #include <drm/drm_crtc_helper.h>
10 #include <drm/drm_edid.h>
11 #include <drm/drm_encoder_slave.h>
12 #include "armada_output.h"
13 #include "armada_drm.h"
15 struct armada_connector {
16 struct drm_connector conn;
17 const struct armada_output_type *type;
20 #define drm_to_armada_conn(c) container_of(c, struct armada_connector, conn)
22 struct drm_encoder *armada_drm_connector_encoder(struct drm_connector *conn)
24 struct drm_encoder *enc = conn->encoder;
26 return enc ? enc : drm_encoder_find(conn->dev, conn->encoder_ids[0]);
29 static enum drm_connector_status armada_drm_connector_detect(
30 struct drm_connector *conn, bool force)
32 struct armada_connector *dconn = drm_to_armada_conn(conn);
33 enum drm_connector_status status = connector_status_disconnected;
35 if (dconn->type->detect) {
36 status = dconn->type->detect(conn, force);
38 struct drm_encoder *enc = armada_drm_connector_encoder(conn);
41 status = encoder_helper_funcs(enc)->detect(enc, conn);
47 static void armada_drm_connector_destroy(struct drm_connector *conn)
49 struct armada_connector *dconn = drm_to_armada_conn(conn);
51 drm_sysfs_connector_remove(conn);
52 drm_connector_cleanup(conn);
56 static int armada_drm_connector_set_property(struct drm_connector *conn,
57 struct drm_property *property, uint64_t value)
59 struct armada_connector *dconn = drm_to_armada_conn(conn);
61 if (!dconn->type->set_property)
64 return dconn->type->set_property(conn, property, value);
67 static const struct drm_connector_funcs armada_drm_conn_funcs = {
68 .dpms = drm_helper_connector_dpms,
69 .fill_modes = drm_helper_probe_single_connector_modes,
70 .detect = armada_drm_connector_detect,
71 .destroy = armada_drm_connector_destroy,
72 .set_property = armada_drm_connector_set_property,
75 void armada_drm_encoder_prepare(struct drm_encoder *encoder)
77 encoder_helper_funcs(encoder)->dpms(encoder, DRM_MODE_DPMS_OFF);
80 void armada_drm_encoder_commit(struct drm_encoder *encoder)
82 encoder_helper_funcs(encoder)->dpms(encoder, DRM_MODE_DPMS_ON);
85 bool armada_drm_encoder_mode_fixup(struct drm_encoder *encoder,
86 const struct drm_display_mode *mode, struct drm_display_mode *adjusted)
91 /* Shouldn't this be a generic helper function? */
92 int armada_drm_slave_encoder_mode_valid(struct drm_connector *conn,
93 struct drm_display_mode *mode)
95 struct drm_encoder *encoder = armada_drm_connector_encoder(conn);
99 struct drm_encoder_slave *slave = to_encoder_slave(encoder);
101 valid = slave->slave_funcs->mode_valid(encoder, mode);
106 int armada_drm_slave_encoder_set_property(struct drm_connector *conn,
107 struct drm_property *property, uint64_t value)
109 struct drm_encoder *encoder = armada_drm_connector_encoder(conn);
113 struct drm_encoder_slave *slave = to_encoder_slave(encoder);
115 rc = slave->slave_funcs->set_property(encoder, conn, property,
121 int armada_output_create(struct drm_device *dev,
122 const struct armada_output_type *type, const void *data)
124 struct armada_connector *dconn;
127 dconn = kzalloc(sizeof(*dconn), GFP_KERNEL);
133 ret = drm_connector_init(dev, &dconn->conn, &armada_drm_conn_funcs,
134 type->connector_type);
136 DRM_ERROR("unable to init connector\n");
137 goto err_destroy_dconn;
140 ret = type->create(&dconn->conn, data);
144 ret = drm_sysfs_connector_add(&dconn->conn);
151 if (dconn->conn.encoder)
152 dconn->conn.encoder->funcs->destroy(dconn->conn.encoder);
154 drm_connector_cleanup(&dconn->conn);