diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/falcon/ga102.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/falcon/ga102.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/ga102.c b/drivers/gpu/drm/nouveau/nvkm/falcon/ga102.c new file mode 100644 index 000000000..0ff450fe3 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/falcon/ga102.c @@ -0,0 +1,148 @@ +/* + * Copyright 2022 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ +#include "priv.h" + +#include <subdev/mc.h> +#include <subdev/timer.h> + +static bool +ga102_flcn_dma_done(struct nvkm_falcon *falcon) +{ + return !!(nvkm_falcon_rd32(falcon, 0x118) & 0x00000002); +} + +static void +ga102_flcn_dma_xfer(struct nvkm_falcon *falcon, u32 mem_base, u32 dma_base, u32 cmd) +{ + nvkm_falcon_wr32(falcon, 0x114, mem_base); + nvkm_falcon_wr32(falcon, 0x11c, dma_base); + nvkm_falcon_wr32(falcon, 0x118, cmd); +} + +static int +ga102_flcn_dma_init(struct nvkm_falcon *falcon, u64 dma_addr, int xfer_len, + enum nvkm_falcon_mem mem_type, bool sec, u32 *cmd) +{ + *cmd = (ilog2(xfer_len) - 2) << 8; + if (mem_type == IMEM) + *cmd |= 0x00000010; + if (sec) + *cmd |= 0x00000004; + + nvkm_falcon_wr32(falcon, 0x110, dma_addr >> 8); + nvkm_falcon_wr32(falcon, 0x128, 0x00000000); + return 0; +} + +const struct nvkm_falcon_func_dma +ga102_flcn_dma = { + .init = ga102_flcn_dma_init, + .xfer = ga102_flcn_dma_xfer, + .done = ga102_flcn_dma_done, +}; + +int +ga102_flcn_reset_wait_mem_scrubbing(struct nvkm_falcon *falcon) +{ + nvkm_falcon_mask(falcon, 0x040, 0x00000000, 0x00000000); + + if (nvkm_msec(falcon->owner->device, 20, + if (!(nvkm_falcon_rd32(falcon, 0x0f4) & 0x00001000)) + break; + ) < 0) + return -ETIMEDOUT; + + return 0; +} + +int +ga102_flcn_reset_prep(struct nvkm_falcon *falcon) +{ + nvkm_falcon_rd32(falcon, 0x0f4); + + nvkm_usec(falcon->owner->device, 150, + if (nvkm_falcon_rd32(falcon, 0x0f4) & 0x80000000) + break; + _warn = false; + ); + + return 0; +} + +int +ga102_flcn_select(struct nvkm_falcon *falcon) +{ + if ((nvkm_falcon_rd32(falcon, falcon->addr2 + 0x668) & 0x00000010) != 0x00000000) { + nvkm_falcon_wr32(falcon, falcon->addr2 + 0x668, 0x00000000); + if (nvkm_msec(falcon->owner->device, 10, + if (nvkm_falcon_rd32(falcon, falcon->addr2 + 0x668) & 0x00000001) + break; + ) < 0) + return -ETIMEDOUT; + } + + return 0; +} + +int +ga102_flcn_fw_boot(struct nvkm_falcon_fw *fw, u32 *mbox0, u32 *mbox1, u32 mbox0_ok, u32 irqsclr) +{ + struct nvkm_falcon *falcon = fw->falcon; + + nvkm_falcon_wr32(falcon, falcon->addr2 + 0x210, fw->dmem_sign); + nvkm_falcon_wr32(falcon, falcon->addr2 + 0x19c, fw->engine_id); + nvkm_falcon_wr32(falcon, falcon->addr2 + 0x198, fw->ucode_id); + nvkm_falcon_wr32(falcon, falcon->addr2 + 0x180, 0x00000001); + + return gm200_flcn_fw_boot(fw, mbox0, mbox1, mbox0_ok, irqsclr); +} + +int +ga102_flcn_fw_load(struct nvkm_falcon_fw *fw) +{ + struct nvkm_falcon *falcon = fw->falcon; + int ret = 0; + + nvkm_falcon_mask(falcon, 0x624, 0x00000080, 0x00000080); + nvkm_falcon_wr32(falcon, 0x10c, 0x00000000); + nvkm_falcon_mask(falcon, 0x600, 0x00010007, (0 << 16) | (1 << 2) | 1); + + ret = nvkm_falcon_dma_wr(falcon, fw->fw.img, fw->fw.phys, fw->imem_base_img, + IMEM, fw->imem_base, fw->imem_size, true); + if (ret) + return ret; + + ret = nvkm_falcon_dma_wr(falcon, fw->fw.img, fw->fw.phys, fw->dmem_base_img, + DMEM, fw->dmem_base, fw->dmem_size, false); + if (ret) + return ret; + + return 0; +} + +const struct nvkm_falcon_fw_func +ga102_flcn_fw = { + .signature = ga100_flcn_fw_signature, + .reset = gm200_flcn_fw_reset, + .load = ga102_flcn_fw_load, + .boot = ga102_flcn_fw_boot, +}; |