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drm/exynos: Implement drm_connector directly in vidi driver 

This patch implements drm_connector directly in the vidi
driver, this will allow us to move away from the exynos_drm_connector
layer.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Sean Paul 2014-01-30 16:38:07 -05:00 committed by Inki Dae
parent caa5d1e5a3
commit ce6cb556c9
1 changed files with 108 additions and 54 deletions
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162
drivers/gpu/drm/exynos/exynos_drm_vidi.c
View File

@ -29,6 +29,8 @@
#define WINDOWS_NR 3
#define get_vidi_mgr(dev) platform_get_drvdata(to_platform_device(dev))
#define ctx_from_connector(c) container_of(c, struct vidi_context, \
connector)
struct vidi_win_data {
unsigned int offset_x;
@ -47,6 +49,8 @@ struct vidi_win_data {
struct vidi_context {
struct drm_device *drm_dev;
struct drm_crtc *crtc;
struct drm_encoder *encoder;
struct drm_connector connector;
struct vidi_win_data win_data[WINDOWS_NR];
struct edid *raw_edid;
unsigned int clkdiv;
@ -86,60 +90,6 @@ static const char fake_edid_info[] = {
0x00, 0x00, 0x00, 0x06
};
static bool vidi_display_is_connected(struct exynos_drm_display *display)
{
struct vidi_context *ctx = display->ctx;
/*
* connection request would come from user side
* to do hotplug through specific ioctl.
*/
return ctx->connected ? true : false;
}
static struct edid *vidi_get_edid(struct exynos_drm_display *display,
struct drm_connector *connector)
{
struct vidi_context *ctx = display->ctx;
struct edid *edid;
/*
* the edid data comes from user side and it would be set
* to ctx->raw_edid through specific ioctl.
*/
if (!ctx->raw_edid) {
DRM_DEBUG_KMS("raw_edid is null.\n");
return ERR_PTR(-EFAULT);
}
edid = drm_edid_duplicate(ctx->raw_edid);
if (!edid) {
DRM_DEBUG_KMS("failed to allocate edid\n");
return ERR_PTR(-ENOMEM);
}
return edid;
}
static int vidi_check_mode(struct exynos_drm_display *display,
struct drm_display_mode *mode)
{
/* TODO. */
return 0;
}
static struct exynos_drm_display_ops vidi_display_ops = {
.is_connected = vidi_display_is_connected,
.get_edid = vidi_get_edid,
.check_mode = vidi_check_mode,
};
static struct exynos_drm_display vidi_display = {
.type = EXYNOS_DISPLAY_TYPE_VIDI,
.ops = &vidi_display_ops,
};
static void vidi_apply(struct exynos_drm_manager *mgr)
{
struct vidi_context *ctx = mgr->ctx;
@ -532,6 +482,110 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
return 0;
}
static enum drm_connector_status vidi_detect(struct drm_connector *connector,
bool force)
{
struct vidi_context *ctx = ctx_from_connector(connector);
/*
* connection request would come from user side
* to do hotplug through specific ioctl.
*/
return ctx->connected ? connector_status_connected :
connector_status_disconnected;
}
static void vidi_connector_destroy(struct drm_connector *connector)
{
}
static struct drm_connector_funcs vidi_connector_funcs = {
.dpms = drm_helper_connector_dpms,
.fill_modes = drm_helper_probe_single_connector_modes,
.detect = vidi_detect,
.destroy = vidi_connector_destroy,
};
static int vidi_get_modes(struct drm_connector *connector)
{
struct vidi_context *ctx = ctx_from_connector(connector);
struct edid *edid;
int edid_len;
/*
* the edid data comes from user side and it would be set
* to ctx->raw_edid through specific ioctl.
*/
if (!ctx->raw_edid) {
DRM_DEBUG_KMS("raw_edid is null.\n");
return -EFAULT;
}
edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL);
if (!edid) {
DRM_DEBUG_KMS("failed to allocate edid\n");
return -ENOMEM;
}
drm_mode_connector_update_edid_property(connector, edid);
return drm_add_edid_modes(connector, edid);
}
static int vidi_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
return MODE_OK;
}
static struct drm_encoder *vidi_best_encoder(struct drm_connector *connector)
{
struct vidi_context *ctx = ctx_from_connector(connector);
return ctx->encoder;
}
static struct drm_connector_helper_funcs vidi_connector_helper_funcs = {
.get_modes = vidi_get_modes,
.mode_valid = vidi_mode_valid,
.best_encoder = vidi_best_encoder,
};
static int vidi_create_connector(struct exynos_drm_display *display,
struct drm_encoder *encoder)
{
struct vidi_context *ctx = display->ctx;
struct drm_connector *connector = &ctx->connector;
int ret;
ctx->encoder = encoder;
connector->polled = DRM_CONNECTOR_POLL_HPD;
ret = drm_connector_init(ctx->drm_dev, connector,
&vidi_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
if (ret) {
DRM_ERROR("Failed to initialize connector with drm\n");
return ret;
}
drm_connector_helper_add(connector, &vidi_connector_helper_funcs);
drm_sysfs_connector_add(connector);
drm_mode_connector_attach_encoder(connector, encoder);
return 0;
}
static struct exynos_drm_display_ops vidi_display_ops = {
.create_connector = vidi_create_connector,
};
static struct exynos_drm_display vidi_display = {
.type = EXYNOS_DISPLAY_TYPE_VIDI,
.ops = &vidi_display_ops,
};
static int vidi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;