![The etnaviv authors](/assets/img/avatar_default.png)
This adds the etnaviv DRM driver and hooks it up in Makefiles and Kconfig. Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
210 lines
5.1 KiB
C
210 lines
5.1 KiB
C
/*
|
|
* Copyright (C) 2015 Etnaviv Project
|
|
*
|
|
* 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 __ETNAVIV_GPU_H__
|
|
#define __ETNAVIV_GPU_H__
|
|
|
|
#include <linux/clk.h>
|
|
#include <linux/regulator/consumer.h>
|
|
|
|
#include "etnaviv_drv.h"
|
|
|
|
struct etnaviv_gem_submit;
|
|
|
|
struct etnaviv_chip_identity {
|
|
/* Chip model. */
|
|
u32 model;
|
|
|
|
/* Revision value.*/
|
|
u32 revision;
|
|
|
|
/* Supported feature fields. */
|
|
u32 features;
|
|
|
|
/* Supported minor feature fields. */
|
|
u32 minor_features0;
|
|
|
|
/* Supported minor feature 1 fields. */
|
|
u32 minor_features1;
|
|
|
|
/* Supported minor feature 2 fields. */
|
|
u32 minor_features2;
|
|
|
|
/* Supported minor feature 3 fields. */
|
|
u32 minor_features3;
|
|
|
|
/* Number of streams supported. */
|
|
u32 stream_count;
|
|
|
|
/* Total number of temporary registers per thread. */
|
|
u32 register_max;
|
|
|
|
/* Maximum number of threads. */
|
|
u32 thread_count;
|
|
|
|
/* Number of shader cores. */
|
|
u32 shader_core_count;
|
|
|
|
/* Size of the vertex cache. */
|
|
u32 vertex_cache_size;
|
|
|
|
/* Number of entries in the vertex output buffer. */
|
|
u32 vertex_output_buffer_size;
|
|
|
|
/* Number of pixel pipes. */
|
|
u32 pixel_pipes;
|
|
|
|
/* Number of instructions. */
|
|
u32 instruction_count;
|
|
|
|
/* Number of constants. */
|
|
u32 num_constants;
|
|
|
|
/* Buffer size */
|
|
u32 buffer_size;
|
|
};
|
|
|
|
struct etnaviv_event {
|
|
bool used;
|
|
struct fence *fence;
|
|
};
|
|
|
|
struct etnaviv_cmdbuf;
|
|
|
|
struct etnaviv_gpu {
|
|
struct drm_device *drm;
|
|
struct device *dev;
|
|
struct mutex lock;
|
|
struct etnaviv_chip_identity identity;
|
|
struct etnaviv_file_private *lastctx;
|
|
bool switch_context;
|
|
|
|
/* 'ring'-buffer: */
|
|
struct etnaviv_cmdbuf *buffer;
|
|
|
|
/* bus base address of memory */
|
|
u32 memory_base;
|
|
|
|
/* event management: */
|
|
struct etnaviv_event event[30];
|
|
struct completion event_free;
|
|
spinlock_t event_spinlock;
|
|
|
|
/* list of currently in-flight command buffers */
|
|
struct list_head active_cmd_list;
|
|
|
|
u32 idle_mask;
|
|
|
|
/* Fencing support */
|
|
u32 next_fence;
|
|
u32 active_fence;
|
|
u32 completed_fence;
|
|
u32 retired_fence;
|
|
wait_queue_head_t fence_event;
|
|
unsigned int fence_context;
|
|
spinlock_t fence_spinlock;
|
|
|
|
/* worker for handling active-list retiring: */
|
|
struct work_struct retire_work;
|
|
|
|
void __iomem *mmio;
|
|
int irq;
|
|
|
|
struct etnaviv_iommu *mmu;
|
|
|
|
/* Power Control: */
|
|
struct clk *clk_bus;
|
|
struct clk *clk_core;
|
|
struct clk *clk_shader;
|
|
|
|
/* Hang Detction: */
|
|
#define DRM_ETNAVIV_HANGCHECK_PERIOD 500 /* in ms */
|
|
#define DRM_ETNAVIV_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_ETNAVIV_HANGCHECK_PERIOD)
|
|
struct timer_list hangcheck_timer;
|
|
u32 hangcheck_fence;
|
|
u32 hangcheck_dma_addr;
|
|
struct work_struct recover_work;
|
|
};
|
|
|
|
struct etnaviv_cmdbuf {
|
|
/* device this cmdbuf is allocated for */
|
|
struct etnaviv_gpu *gpu;
|
|
/* user context key, must be unique between all active users */
|
|
struct etnaviv_file_private *ctx;
|
|
/* cmdbuf properties */
|
|
void *vaddr;
|
|
dma_addr_t paddr;
|
|
u32 size;
|
|
u32 user_size;
|
|
/* fence after which this buffer is to be disposed */
|
|
struct fence *fence;
|
|
/* target exec state */
|
|
u32 exec_state;
|
|
/* per GPU in-flight list */
|
|
struct list_head node;
|
|
/* BOs attached to this command buffer */
|
|
unsigned int nr_bos;
|
|
struct etnaviv_gem_object *bo[0];
|
|
};
|
|
|
|
static inline void gpu_write(struct etnaviv_gpu *gpu, u32 reg, u32 data)
|
|
{
|
|
etnaviv_writel(data, gpu->mmio + reg);
|
|
}
|
|
|
|
static inline u32 gpu_read(struct etnaviv_gpu *gpu, u32 reg)
|
|
{
|
|
return etnaviv_readl(gpu->mmio + reg);
|
|
}
|
|
|
|
static inline bool fence_completed(struct etnaviv_gpu *gpu, u32 fence)
|
|
{
|
|
return fence_after_eq(gpu->completed_fence, fence);
|
|
}
|
|
|
|
static inline bool fence_retired(struct etnaviv_gpu *gpu, u32 fence)
|
|
{
|
|
return fence_after_eq(gpu->retired_fence, fence);
|
|
}
|
|
|
|
int etnaviv_gpu_get_param(struct etnaviv_gpu *gpu, u32 param, u64 *value);
|
|
|
|
int etnaviv_gpu_init(struct etnaviv_gpu *gpu);
|
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
int etnaviv_gpu_debugfs(struct etnaviv_gpu *gpu, struct seq_file *m);
|
|
#endif
|
|
|
|
int etnaviv_gpu_fence_sync_obj(struct etnaviv_gem_object *etnaviv_obj,
|
|
unsigned int context, bool exclusive);
|
|
|
|
void etnaviv_gpu_retire(struct etnaviv_gpu *gpu);
|
|
int etnaviv_gpu_wait_fence_interruptible(struct etnaviv_gpu *gpu,
|
|
u32 fence, struct timespec *timeout);
|
|
int etnaviv_gpu_wait_obj_inactive(struct etnaviv_gpu *gpu,
|
|
struct etnaviv_gem_object *etnaviv_obj, struct timespec *timeout);
|
|
int etnaviv_gpu_submit(struct etnaviv_gpu *gpu,
|
|
struct etnaviv_gem_submit *submit, struct etnaviv_cmdbuf *cmdbuf);
|
|
struct etnaviv_cmdbuf *etnaviv_gpu_cmdbuf_new(struct etnaviv_gpu *gpu,
|
|
u32 size, size_t nr_bos);
|
|
void etnaviv_gpu_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf);
|
|
int etnaviv_gpu_pm_get_sync(struct etnaviv_gpu *gpu);
|
|
void etnaviv_gpu_pm_put(struct etnaviv_gpu *gpu);
|
|
|
|
extern struct platform_driver etnaviv_gpu_driver;
|
|
|
|
#endif /* __ETNAVIV_GPU_H__ */
|