179 lines
3.8 KiB
C
179 lines
3.8 KiB
C
/* SPDX-License-Identifier: MIT */
|
|
#ifndef __NVKM_FBRAM_FUC_H__
|
|
#define __NVKM_FBRAM_FUC_H__
|
|
#include <subdev/fb.h>
|
|
#include <subdev/pmu.h>
|
|
|
|
struct ramfuc {
|
|
struct nvkm_memx *memx;
|
|
struct nvkm_fb *fb;
|
|
int sequence;
|
|
};
|
|
|
|
struct ramfuc_reg {
|
|
int sequence;
|
|
bool force;
|
|
u32 addr;
|
|
u32 stride; /* in bytes */
|
|
u32 mask;
|
|
u32 data;
|
|
};
|
|
|
|
static inline struct ramfuc_reg
|
|
ramfuc_stride(u32 addr, u32 stride, u32 mask)
|
|
{
|
|
return (struct ramfuc_reg) {
|
|
.sequence = 0,
|
|
.addr = addr,
|
|
.stride = stride,
|
|
.mask = mask,
|
|
.data = 0xdeadbeef,
|
|
};
|
|
}
|
|
|
|
static inline struct ramfuc_reg
|
|
ramfuc_reg2(u32 addr1, u32 addr2)
|
|
{
|
|
return (struct ramfuc_reg) {
|
|
.sequence = 0,
|
|
.addr = addr1,
|
|
.stride = addr2 - addr1,
|
|
.mask = 0x3,
|
|
.data = 0xdeadbeef,
|
|
};
|
|
}
|
|
|
|
static noinline struct ramfuc_reg
|
|
ramfuc_reg(u32 addr)
|
|
{
|
|
return (struct ramfuc_reg) {
|
|
.sequence = 0,
|
|
.addr = addr,
|
|
.stride = 0,
|
|
.mask = 0x1,
|
|
.data = 0xdeadbeef,
|
|
};
|
|
}
|
|
|
|
static inline int
|
|
ramfuc_init(struct ramfuc *ram, struct nvkm_fb *fb)
|
|
{
|
|
int ret = nvkm_memx_init(fb->subdev.device->pmu, &ram->memx);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ram->sequence++;
|
|
ram->fb = fb;
|
|
return 0;
|
|
}
|
|
|
|
static inline int
|
|
ramfuc_exec(struct ramfuc *ram, bool exec)
|
|
{
|
|
int ret = 0;
|
|
if (ram->fb) {
|
|
ret = nvkm_memx_fini(&ram->memx, exec);
|
|
ram->fb = NULL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static inline u32
|
|
ramfuc_rd32(struct ramfuc *ram, struct ramfuc_reg *reg)
|
|
{
|
|
struct nvkm_device *device = ram->fb->subdev.device;
|
|
if (reg->sequence != ram->sequence)
|
|
reg->data = nvkm_rd32(device, reg->addr);
|
|
return reg->data;
|
|
}
|
|
|
|
static inline void
|
|
ramfuc_wr32(struct ramfuc *ram, struct ramfuc_reg *reg, u32 data)
|
|
{
|
|
unsigned int mask, off = 0;
|
|
|
|
reg->sequence = ram->sequence;
|
|
reg->data = data;
|
|
|
|
for (mask = reg->mask; mask > 0; mask = (mask & ~1) >> 1) {
|
|
if (mask & 1)
|
|
nvkm_memx_wr32(ram->memx, reg->addr+off, reg->data);
|
|
off += reg->stride;
|
|
}
|
|
}
|
|
|
|
static inline void
|
|
ramfuc_nuke(struct ramfuc *ram, struct ramfuc_reg *reg)
|
|
{
|
|
reg->force = true;
|
|
}
|
|
|
|
static inline u32
|
|
ramfuc_mask(struct ramfuc *ram, struct ramfuc_reg *reg, u32 mask, u32 data)
|
|
{
|
|
u32 temp = ramfuc_rd32(ram, reg);
|
|
if (temp != ((temp & ~mask) | data) || reg->force) {
|
|
ramfuc_wr32(ram, reg, (temp & ~mask) | data);
|
|
reg->force = false;
|
|
}
|
|
return temp;
|
|
}
|
|
|
|
static inline void
|
|
ramfuc_wait(struct ramfuc *ram, u32 addr, u32 mask, u32 data, u32 nsec)
|
|
{
|
|
nvkm_memx_wait(ram->memx, addr, mask, data, nsec);
|
|
}
|
|
|
|
static inline void
|
|
ramfuc_nsec(struct ramfuc *ram, u32 nsec)
|
|
{
|
|
nvkm_memx_nsec(ram->memx, nsec);
|
|
}
|
|
|
|
static inline void
|
|
ramfuc_wait_vblank(struct ramfuc *ram)
|
|
{
|
|
nvkm_memx_wait_vblank(ram->memx);
|
|
}
|
|
|
|
static inline void
|
|
ramfuc_train(struct ramfuc *ram)
|
|
{
|
|
nvkm_memx_train(ram->memx);
|
|
}
|
|
|
|
static inline int
|
|
ramfuc_train_result(struct nvkm_fb *fb, u32 *result, u32 rsize)
|
|
{
|
|
return nvkm_memx_train_result(fb->subdev.device->pmu, result, rsize);
|
|
}
|
|
|
|
static inline void
|
|
ramfuc_block(struct ramfuc *ram)
|
|
{
|
|
nvkm_memx_block(ram->memx);
|
|
}
|
|
|
|
static inline void
|
|
ramfuc_unblock(struct ramfuc *ram)
|
|
{
|
|
nvkm_memx_unblock(ram->memx);
|
|
}
|
|
|
|
#define ram_init(s,p) ramfuc_init(&(s)->base, (p))
|
|
#define ram_exec(s,e) ramfuc_exec(&(s)->base, (e))
|
|
#define ram_have(s,r) ((s)->r_##r.addr != 0x000000)
|
|
#define ram_rd32(s,r) ramfuc_rd32(&(s)->base, &(s)->r_##r)
|
|
#define ram_wr32(s,r,d) ramfuc_wr32(&(s)->base, &(s)->r_##r, (d))
|
|
#define ram_nuke(s,r) ramfuc_nuke(&(s)->base, &(s)->r_##r)
|
|
#define ram_mask(s,r,m,d) ramfuc_mask(&(s)->base, &(s)->r_##r, (m), (d))
|
|
#define ram_wait(s,r,m,d,n) ramfuc_wait(&(s)->base, (r), (m), (d), (n))
|
|
#define ram_nsec(s,n) ramfuc_nsec(&(s)->base, (n))
|
|
#define ram_wait_vblank(s) ramfuc_wait_vblank(&(s)->base)
|
|
#define ram_train(s) ramfuc_train(&(s)->base)
|
|
#define ram_train_result(s,r,l) ramfuc_train_result((s), (r), (l))
|
|
#define ram_block(s) ramfuc_block(&(s)->base)
|
|
#define ram_unblock(s) ramfuc_unblock(&(s)->base)
|
|
#endif
|