diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/falcon/gp102.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/falcon/gp102.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/gp102.c b/drivers/gpu/drm/nouveau/nvkm/falcon/gp102.c index f49918530d0b..c70beacb8d30 100644 --- a/drivers/gpu/drm/nouveau/nvkm/falcon/gp102.c +++ b/drivers/gpu/drm/nouveau/nvkm/falcon/gp102.c @@ -21,6 +21,48 @@ */ #include "priv.h" +static void +gp102_flcn_pio_emem_rd(struct nvkm_falcon *falcon, u8 port, const u8 *img, int len) +{ + while (len >= 4) { + *(u32 *)img = nvkm_falcon_rd32(falcon, 0xac4 + (port * 8)); + img += 4; + len -= 4; + } +} + +static void +gp102_flcn_pio_emem_rd_init(struct nvkm_falcon *falcon, u8 port, u32 dmem_base) +{ + nvkm_falcon_wr32(falcon, 0xac0 + (port * 8), BIT(25) | dmem_base); +} + +static void +gp102_flcn_pio_emem_wr(struct nvkm_falcon *falcon, u8 port, const u8 *img, int len, u16 tag) +{ + while (len >= 4) { + nvkm_falcon_wr32(falcon, 0xac4 + (port * 8), *(u32 *)img); + img += 4; + len -= 4; + } +} + +static void +gp102_flcn_pio_emem_wr_init(struct nvkm_falcon *falcon, u8 port, bool sec, u32 emem_base) +{ + nvkm_falcon_wr32(falcon, 0xac0 + (port * 8), BIT(24) | emem_base); +} + +const struct nvkm_falcon_func_pio +gp102_flcn_emem_pio = { + .min = 4, + .max = 0x100, + .wr_init = gp102_flcn_pio_emem_wr_init, + .wr = gp102_flcn_pio_emem_wr, + .rd_init = gp102_flcn_pio_emem_rd_init, + .rd = gp102_flcn_pio_emem_rd, +}; + int gp102_flcn_reset_eng(struct nvkm_falcon *falcon) { |