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/*
* SMedia Glamo 336x/337x display
*
* Copyright (C) 2008-2009 Thomas White <taw@bitwiz.org.uk>
*
* All rights reserved.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <drm/drmP.h>
#include <drm/glamo_drm.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_crtc.h>
#include "glamo-core.h"
#include "glamo-drm-private.h"
#include "glamo-regs.h"
static void glamo_crtc_dpms(struct drm_crtc *crtc, int mode)
{
}
static bool glamo_crtc_mode_fixup(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
return true;
}
static void glamo_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
int x, int y,
struct drm_framebuffer *old_fb)
{
}
static void glamo_pipe_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb)
{
}
static void glamo_crtc_prepare(struct drm_crtc *crtc)
{
struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
}
static void glamo_crtc_commit(struct drm_crtc *crtc)
{
struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
}
static int glamo_crtc_cursor_set(struct drm_crtc *crtc,
struct drm_file *file_priv,
uint32_t handle,
uint32_t width, uint32_t height)
{
return 0;
}
static int glamo_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
{
return 0;
}
static void glamo_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, uint32_t size)
{
}
static void glamo_crtc_destroy(struct drm_crtc *crtc)
{
struct glamo_crtc *glamo_crtc = to_glamo_crtc(crtc);
drm_crtc_cleanup(crtc);
kfree(glamo_crtc);
}
static const struct drm_crtc_helper_funcs glamo_helper_funcs = {
.dpms = glamo_crtc_dpms,
.mode_fixup = glamo_crtc_mode_fixup,
.mode_set = glamo_crtc_mode_set,
.mode_set_base = glamo_pipe_set_base,
.prepare = glamo_crtc_prepare,
.commit = glamo_crtc_commit,
};
static const struct drm_crtc_funcs glamo_crtc_funcs = {
.cursor_set = glamo_crtc_cursor_set,
.cursor_move = glamo_crtc_cursor_move,
.gamma_set = glamo_crtc_gamma_set,
.set_config = drm_crtc_helper_set_config,
.destroy = glamo_crtc_destroy,
};
int glamo_display_init(struct drm_device *dev)
{
struct glamodrm_handle *gdrm;
struct glamo_crtc *glamo_crtc;
glamo_crtc = kzalloc(sizeof(struct glamo_crtc)
+ sizeof(struct drm_connector *), GFP_KERNEL);
if (glamo_crtc == NULL)
return 1;
gdrm = dev->dev_private;
drm_crtc_init(dev, &glamo_crtc->base, &glamo_crtc_funcs);
drm_crtc_helper_add(&glamo_crtc->base, &glamo_helper_funcs);
return 0;
}
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