147 lines
2.5 KiB
C
147 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
|
|
/* Copyright 2018-2019 Qiang Yu <yuq825@gmail.com> */
|
|
|
|
#ifndef __LIMA_DEVICE_H__
|
|
#define __LIMA_DEVICE_H__
|
|
|
|
#include <drm/drm_device.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/list.h>
|
|
#include <linux/mutex.h>
|
|
|
|
#include "lima_sched.h"
|
|
#include "lima_dump.h"
|
|
#include "lima_devfreq.h"
|
|
|
|
enum lima_gpu_id {
|
|
lima_gpu_mali400 = 0,
|
|
lima_gpu_mali450,
|
|
lima_gpu_num,
|
|
};
|
|
|
|
enum lima_ip_id {
|
|
lima_ip_pmu,
|
|
lima_ip_gpmmu,
|
|
lima_ip_ppmmu0,
|
|
lima_ip_ppmmu1,
|
|
lima_ip_ppmmu2,
|
|
lima_ip_ppmmu3,
|
|
lima_ip_ppmmu4,
|
|
lima_ip_ppmmu5,
|
|
lima_ip_ppmmu6,
|
|
lima_ip_ppmmu7,
|
|
lima_ip_gp,
|
|
lima_ip_pp0,
|
|
lima_ip_pp1,
|
|
lima_ip_pp2,
|
|
lima_ip_pp3,
|
|
lima_ip_pp4,
|
|
lima_ip_pp5,
|
|
lima_ip_pp6,
|
|
lima_ip_pp7,
|
|
lima_ip_l2_cache0,
|
|
lima_ip_l2_cache1,
|
|
lima_ip_l2_cache2,
|
|
lima_ip_dlbu,
|
|
lima_ip_bcast,
|
|
lima_ip_pp_bcast,
|
|
lima_ip_ppmmu_bcast,
|
|
lima_ip_num,
|
|
};
|
|
|
|
struct lima_device;
|
|
|
|
struct lima_ip {
|
|
struct lima_device *dev;
|
|
enum lima_ip_id id;
|
|
bool present;
|
|
|
|
void __iomem *iomem;
|
|
int irq;
|
|
|
|
union {
|
|
/* gp/pp */
|
|
bool async_reset;
|
|
/* l2 cache */
|
|
spinlock_t lock;
|
|
/* pmu/bcast */
|
|
u32 mask;
|
|
} data;
|
|
};
|
|
|
|
enum lima_pipe_id {
|
|
lima_pipe_gp,
|
|
lima_pipe_pp,
|
|
lima_pipe_num,
|
|
};
|
|
|
|
struct lima_device {
|
|
struct device *dev;
|
|
struct drm_device *ddev;
|
|
|
|
enum lima_gpu_id id;
|
|
u32 gp_version;
|
|
u32 pp_version;
|
|
int num_pp;
|
|
|
|
void __iomem *iomem;
|
|
struct clk *clk_bus;
|
|
struct clk *clk_gpu;
|
|
struct reset_control *reset;
|
|
struct regulator *regulator;
|
|
|
|
struct lima_ip ip[lima_ip_num];
|
|
struct lima_sched_pipe pipe[lima_pipe_num];
|
|
|
|
struct lima_vm *empty_vm;
|
|
uint64_t va_start;
|
|
uint64_t va_end;
|
|
|
|
u32 *dlbu_cpu;
|
|
dma_addr_t dlbu_dma;
|
|
|
|
struct lima_devfreq devfreq;
|
|
|
|
/* debug info */
|
|
struct lima_dump_head dump;
|
|
struct list_head error_task_list;
|
|
struct mutex error_task_list_lock;
|
|
};
|
|
|
|
static inline struct lima_device *
|
|
to_lima_dev(struct drm_device *dev)
|
|
{
|
|
return dev->dev_private;
|
|
}
|
|
|
|
int lima_device_init(struct lima_device *ldev);
|
|
void lima_device_fini(struct lima_device *ldev);
|
|
|
|
const char *lima_ip_name(struct lima_ip *ip);
|
|
|
|
typedef int (*lima_poll_func_t)(struct lima_ip *);
|
|
|
|
static inline int lima_poll_timeout(struct lima_ip *ip, lima_poll_func_t func,
|
|
int sleep_us, int timeout_us)
|
|
{
|
|
ktime_t timeout = ktime_add_us(ktime_get(), timeout_us);
|
|
|
|
might_sleep_if(sleep_us);
|
|
while (1) {
|
|
if (func(ip))
|
|
return 0;
|
|
|
|
if (timeout_us && ktime_compare(ktime_get(), timeout) > 0)
|
|
return -ETIMEDOUT;
|
|
|
|
if (sleep_us)
|
|
usleep_range((sleep_us >> 2) + 1, sleep_us);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int lima_device_suspend(struct device *dev);
|
|
int lima_device_resume(struct device *dev);
|
|
|
|
#endif
|