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/*
* Copyright (C) 2013 Pengutronix
* Author: Lucas Stach <l.stach@pengutronix.de>
*
* 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_ADRENO_H__
#define __DRM_ADRENO_H__
#include <drm/drmP.h>
struct adreno_gpu;
#define ADRENO_SUBMIT_MAX_CMDS 4
struct adreno_submit {
unsigned int nr_cmds;
struct {
uint32_t type;
uint32_t size; /* in dwords */
uint32_t iova;
} cmd[ADRENO_SUBMIT_MAX_CMDS];
uint32_t fence;
};
struct adreno_context {
int dummy;
};
struct adreno_gpu_funcs {
int (*get_param)(struct adreno_gpu *gpu, uint32_t param, uint64_t *value);
int (*hw_init)(struct adreno_gpu *gpu);
int (*pm_suspend)(struct adreno_gpu *gpu);
int (*pm_resume)(struct adreno_gpu *gpu);
int (*submit)(struct adreno_gpu *gpu, struct adreno_submit *submit,
struct adreno_context *ctx);
void (*flush)(struct adreno_gpu *gpu);
void (*idle)(struct adreno_gpu *gpu);
irqreturn_t (*irq)(struct adreno_gpu *irq);
uint32_t (*last_fence)(struct adreno_gpu *gpu);
void (*recover)(struct adreno_gpu *gpu);
void (*destroy)(struct adreno_gpu *gpu);
#ifdef CONFIG_DEBUG_FS
/* show GPU status in debugfs: */
void (*show)(struct adreno_gpu *gpu, struct seq_file *m);
#endif
};
struct adreno_gem {
void *priv;
struct drm_gem_object *(*gem_new)(void *gem_priv,
uint32_t size, uint32_t flags);
int (*gem_get_iova_locked)(void *gem_priv, struct drm_gem_object *obj,
uint32_t *iova);
int (*gem_get_iova)(void *gem_priv, struct drm_gem_object *obj,
uint32_t *iova);
void (*gem_put_iova)(void *gem_priv, struct drm_gem_object *obj);
void *(*gem_vaddr_locked)(void *gem_priv, struct drm_gem_object *obj);
void *(*gem_vaddr)(void *gem_priv, struct drm_gem_object *obj);
void (*gem_retire)(void *gem_priv);
};
const char *adreno_get_name(struct adreno_gpu *gpu);
/* Adreno 3xx module functions */
int a3xx_gpu_init(struct drm_device *dev,
const struct adreno_gem *gem, struct workqueue_struct *wq,
int reglog, struct adreno_gpu **gpu,
struct adreno_gpu_funcs **funcs);
void __init a3xx_register(void);
void __exit a3xx_unregister(void);
#endif /* __DRM_ADRENO_H__ */
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