1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __NVKM_FBRAM_FUC_H__
3 #define __NVKM_FBRAM_FUC_H__
5 #include <subdev/pmu.h>
8 struct nvkm_memx *memx;
17 u32 stride; /* in bytes */
22 static inline struct ramfuc_reg
23 ramfuc_stride(u32 addr, u32 stride, u32 mask)
25 return (struct ramfuc_reg) {
34 static inline struct ramfuc_reg
35 ramfuc_reg2(u32 addr1, u32 addr2)
37 return (struct ramfuc_reg) {
40 .stride = addr2 - addr1,
46 static noinline struct ramfuc_reg
49 return (struct ramfuc_reg) {
59 ramfuc_init(struct ramfuc *ram, struct nvkm_fb *fb)
61 int ret = nvkm_memx_init(fb->subdev.device->pmu, &ram->memx);
71 ramfuc_exec(struct ramfuc *ram, bool exec)
75 ret = nvkm_memx_fini(&ram->memx, exec);
82 ramfuc_rd32(struct ramfuc *ram, struct ramfuc_reg *reg)
84 struct nvkm_device *device = ram->fb->subdev.device;
85 if (reg->sequence != ram->sequence)
86 reg->data = nvkm_rd32(device, reg->addr);
91 ramfuc_wr32(struct ramfuc *ram, struct ramfuc_reg *reg, u32 data)
93 unsigned int mask, off = 0;
95 reg->sequence = ram->sequence;
98 for (mask = reg->mask; mask > 0; mask = (mask & ~1) >> 1) {
100 nvkm_memx_wr32(ram->memx, reg->addr+off, reg->data);
106 ramfuc_nuke(struct ramfuc *ram, struct ramfuc_reg *reg)
112 ramfuc_mask(struct ramfuc *ram, struct ramfuc_reg *reg, u32 mask, u32 data)
114 u32 temp = ramfuc_rd32(ram, reg);
115 if (temp != ((temp & ~mask) | data) || reg->force) {
116 ramfuc_wr32(ram, reg, (temp & ~mask) | data);
123 ramfuc_wait(struct ramfuc *ram, u32 addr, u32 mask, u32 data, u32 nsec)
125 nvkm_memx_wait(ram->memx, addr, mask, data, nsec);
129 ramfuc_nsec(struct ramfuc *ram, u32 nsec)
131 nvkm_memx_nsec(ram->memx, nsec);
135 ramfuc_wait_vblank(struct ramfuc *ram)
137 nvkm_memx_wait_vblank(ram->memx);
141 ramfuc_train(struct ramfuc *ram)
143 nvkm_memx_train(ram->memx);
147 ramfuc_train_result(struct nvkm_fb *fb, u32 *result, u32 rsize)
149 return nvkm_memx_train_result(fb->subdev.device->pmu, result, rsize);
153 ramfuc_block(struct ramfuc *ram)
155 nvkm_memx_block(ram->memx);
159 ramfuc_unblock(struct ramfuc *ram)
161 nvkm_memx_unblock(ram->memx);
164 #define ram_init(s,p) ramfuc_init(&(s)->base, (p))
165 #define ram_exec(s,e) ramfuc_exec(&(s)->base, (e))
166 #define ram_have(s,r) ((s)->r_##r.addr != 0x000000)
167 #define ram_rd32(s,r) ramfuc_rd32(&(s)->base, &(s)->r_##r)
168 #define ram_wr32(s,r,d) ramfuc_wr32(&(s)->base, &(s)->r_##r, (d))
169 #define ram_nuke(s,r) ramfuc_nuke(&(s)->base, &(s)->r_##r)
170 #define ram_mask(s,r,m,d) ramfuc_mask(&(s)->base, &(s)->r_##r, (m), (d))
171 #define ram_wait(s,r,m,d,n) ramfuc_wait(&(s)->base, (r), (m), (d), (n))
172 #define ram_nsec(s,n) ramfuc_nsec(&(s)->base, (n))
173 #define ram_wait_vblank(s) ramfuc_wait_vblank(&(s)->base)
174 #define ram_train(s) ramfuc_train(&(s)->base)
175 #define ram_train_result(s,r,l) ramfuc_train_result((s), (r), (l))
176 #define ram_block(s) ramfuc_block(&(s)->base)
177 #define ram_unblock(s) ramfuc_unblock(&(s)->base)