mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
ebab87ab7a
In relation with the actuall bandwidth consumed on a DMA Source interface, choose the less used one for a created plane. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Tested-by: Nicolas Ferre <nicolas.ferre@atmel.com>
178 lines
5.1 KiB
C
178 lines
5.1 KiB
C
/*
|
|
* Copyright (C) 2014 Traphandler
|
|
* Copyright (C) 2014 Free Electrons
|
|
* Copyright (C) 2014 Atmel
|
|
*
|
|
* Author: Jean-Jacques Hiblot <jjhiblot@traphandler.com>
|
|
* Author: Boris BREZILLON <boris.brezillon@free-electrons.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published by
|
|
* the Free Software Foundation.
|
|
*
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef DRM_ATMEL_HLCDC_H
|
|
#define DRM_ATMEL_HLCDC_H
|
|
|
|
#include <linux/clk.h>
|
|
#include <linux/irqdomain.h>
|
|
#include <linux/pwm.h>
|
|
|
|
#include <drm/drm_atomic.h>
|
|
#include <drm/drm_atomic_helper.h>
|
|
#include <drm/drm_crtc.h>
|
|
#include <drm/drm_crtc_helper.h>
|
|
#include <drm/drm_fb_cma_helper.h>
|
|
#include <drm/drm_gem_cma_helper.h>
|
|
#include <drm/drm_panel.h>
|
|
#include <drm/drm_plane_helper.h>
|
|
#include <drm/drmP.h>
|
|
|
|
#include "atmel_hlcdc_layer.h"
|
|
|
|
#define ATMEL_HLCDC_MAX_LAYERS 5
|
|
|
|
/**
|
|
* Atmel HLCDC Display Controller description structure.
|
|
*
|
|
* This structure describe the HLCDC IP capabilities and depends on the
|
|
* HLCDC IP version (or Atmel SoC family).
|
|
*
|
|
* @min_width: minimum width supported by the Display Controller
|
|
* @min_height: minimum height supported by the Display Controller
|
|
* @max_width: maximum width supported by the Display Controller
|
|
* @max_height: maximum height supported by the Display Controller
|
|
* @max_spw: maximum vertical/horizontal pulse width
|
|
* @max_vpw: maximum vertical back/front porch width
|
|
* @max_hpw: maximum horizontal back/front porch width
|
|
* @conflicting_output_formats: true if RGBXXX output formats conflict with
|
|
* each other.
|
|
* @layers: a layer description table describing available layers
|
|
* @nlayers: layer description table size
|
|
*/
|
|
struct atmel_hlcdc_dc_desc {
|
|
int min_width;
|
|
int min_height;
|
|
int max_width;
|
|
int max_height;
|
|
int max_spw;
|
|
int max_vpw;
|
|
int max_hpw;
|
|
bool conflicting_output_formats;
|
|
const struct atmel_hlcdc_layer_desc *layers;
|
|
int nlayers;
|
|
};
|
|
|
|
/**
|
|
* Atmel HLCDC Plane properties.
|
|
*
|
|
* This structure stores plane property definitions.
|
|
*
|
|
* @alpha: alpha blending (or transparency) property
|
|
* @rotation: rotation property
|
|
*/
|
|
struct atmel_hlcdc_plane_properties {
|
|
struct drm_property *alpha;
|
|
};
|
|
|
|
/**
|
|
* Atmel HLCDC Plane.
|
|
*
|
|
* @base: base DRM plane structure
|
|
* @layer: HLCDC layer structure
|
|
* @properties: pointer to the property definitions structure
|
|
* @rotation: current rotation status
|
|
*/
|
|
struct atmel_hlcdc_plane {
|
|
struct drm_plane base;
|
|
struct atmel_hlcdc_layer layer;
|
|
struct atmel_hlcdc_plane_properties *properties;
|
|
};
|
|
|
|
static inline struct atmel_hlcdc_plane *
|
|
drm_plane_to_atmel_hlcdc_plane(struct drm_plane *p)
|
|
{
|
|
return container_of(p, struct atmel_hlcdc_plane, base);
|
|
}
|
|
|
|
static inline struct atmel_hlcdc_plane *
|
|
atmel_hlcdc_layer_to_plane(struct atmel_hlcdc_layer *l)
|
|
{
|
|
return container_of(l, struct atmel_hlcdc_plane, layer);
|
|
}
|
|
|
|
/**
|
|
* Atmel HLCDC Planes.
|
|
*
|
|
* This structure stores the instantiated HLCDC Planes and can be accessed by
|
|
* the HLCDC Display Controller or the HLCDC CRTC.
|
|
*
|
|
* @primary: primary plane
|
|
* @cursor: hardware cursor plane
|
|
* @overlays: overlay plane table
|
|
* @noverlays: number of overlay planes
|
|
*/
|
|
struct atmel_hlcdc_planes {
|
|
struct atmel_hlcdc_plane *primary;
|
|
struct atmel_hlcdc_plane *cursor;
|
|
struct atmel_hlcdc_plane **overlays;
|
|
int noverlays;
|
|
};
|
|
|
|
/**
|
|
* Atmel HLCDC Display Controller.
|
|
*
|
|
* @desc: HLCDC Display Controller description
|
|
* @hlcdc: pointer to the atmel_hlcdc structure provided by the MFD device
|
|
* @fbdev: framebuffer device attached to the Display Controller
|
|
* @crtc: CRTC provided by the display controller
|
|
* @planes: instantiated planes
|
|
* @layers: active HLCDC layer
|
|
* @wq: display controller workqueue
|
|
* @commit: used for async commit handling
|
|
*/
|
|
struct atmel_hlcdc_dc {
|
|
const struct atmel_hlcdc_dc_desc *desc;
|
|
struct atmel_hlcdc *hlcdc;
|
|
struct drm_fbdev_cma *fbdev;
|
|
struct drm_crtc *crtc;
|
|
struct atmel_hlcdc_planes *planes;
|
|
struct atmel_hlcdc_layer *layers[ATMEL_HLCDC_MAX_LAYERS];
|
|
struct workqueue_struct *wq;
|
|
struct {
|
|
wait_queue_head_t wait;
|
|
bool pending;
|
|
} commit;
|
|
};
|
|
|
|
extern struct atmel_hlcdc_formats atmel_hlcdc_plane_rgb_formats;
|
|
extern struct atmel_hlcdc_formats atmel_hlcdc_plane_rgb_and_yuv_formats;
|
|
|
|
int atmel_hlcdc_dc_mode_valid(struct atmel_hlcdc_dc *dc,
|
|
struct drm_display_mode *mode);
|
|
|
|
struct atmel_hlcdc_planes *
|
|
atmel_hlcdc_create_planes(struct drm_device *dev);
|
|
|
|
int atmel_hlcdc_plane_prepare_disc_area(struct drm_crtc_state *c_state);
|
|
int atmel_hlcdc_plane_prepare_ahb_routing(struct drm_crtc_state *c_state);
|
|
|
|
void atmel_hlcdc_crtc_irq(struct drm_crtc *c);
|
|
|
|
void atmel_hlcdc_crtc_suspend(struct drm_crtc *crtc);
|
|
void atmel_hlcdc_crtc_resume(struct drm_crtc *crtc);
|
|
|
|
int atmel_hlcdc_crtc_create(struct drm_device *dev);
|
|
|
|
int atmel_hlcdc_create_outputs(struct drm_device *dev);
|
|
|
|
#endif /* DRM_ATMEL_HLCDC_H */
|