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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/nouveau/nvkm/falcon/gm200.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/falcon/gm200.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/falcon/gm200.c | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/gm200.c b/drivers/gpu/drm/nouveau/nvkm/falcon/gm200.c new file mode 100644 index 0000000000..b7da3ab44c --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/falcon/gm200.c @@ -0,0 +1,357 @@ +/* + * 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 <core/memory.h> +#include <subdev/mc.h> +#include <subdev/timer.h> + +void +gm200_flcn_tracepc(struct nvkm_falcon *falcon) +{ + u32 sctl = nvkm_falcon_rd32(falcon, 0x240); + u32 tidx = nvkm_falcon_rd32(falcon, 0x148); + int nr = (tidx & 0x00ff0000) >> 16, sp, ip; + + FLCN_ERR(falcon, "TRACEPC SCTL %08x TIDX %08x", sctl, tidx); + for (sp = 0; sp < nr; sp++) { + nvkm_falcon_wr32(falcon, 0x148, sp); + ip = nvkm_falcon_rd32(falcon, 0x14c); + FLCN_ERR(falcon, "TRACEPC: %08x", ip); + } +} + +static void +gm200_flcn_pio_dmem_rd(struct nvkm_falcon *falcon, u8 port, const u8 *img, int len) +{ + while (len >= 4) { + *(u32 *)img = nvkm_falcon_rd32(falcon, 0x1c4 + (port * 8)); + img += 4; + len -= 4; + } + + /* Sigh. Tegra PMU FW's init message... */ + if (len) { + u32 data = nvkm_falcon_rd32(falcon, 0x1c4 + (port * 8)); + + while (len--) { + *(u8 *)img++ = data & 0xff; + data >>= 8; + } + } +} + +static void +gm200_flcn_pio_dmem_rd_init(struct nvkm_falcon *falcon, u8 port, u32 dmem_base) +{ + nvkm_falcon_wr32(falcon, 0x1c0 + (port * 8), BIT(25) | dmem_base); +} + +static void +gm200_flcn_pio_dmem_wr(struct nvkm_falcon *falcon, u8 port, const u8 *img, int len, u16 tag) +{ + while (len >= 4) { + nvkm_falcon_wr32(falcon, 0x1c4 + (port * 8), *(u32 *)img); + img += 4; + len -= 4; + } + + WARN_ON(len); +} + +static void +gm200_flcn_pio_dmem_wr_init(struct nvkm_falcon *falcon, u8 port, bool sec, u32 dmem_base) +{ + nvkm_falcon_wr32(falcon, 0x1c0 + (port * 8), BIT(24) | dmem_base); +} + +const struct nvkm_falcon_func_pio +gm200_flcn_dmem_pio = { + .min = 1, + .max = 0x100, + .wr_init = gm200_flcn_pio_dmem_wr_init, + .wr = gm200_flcn_pio_dmem_wr, + .rd_init = gm200_flcn_pio_dmem_rd_init, + .rd = gm200_flcn_pio_dmem_rd, +}; + +static void +gm200_flcn_pio_imem_wr_init(struct nvkm_falcon *falcon, u8 port, bool sec, u32 imem_base) +{ + nvkm_falcon_wr32(falcon, 0x180 + (port * 0x10), (sec ? BIT(28) : 0) | BIT(24) | imem_base); +} + +static void +gm200_flcn_pio_imem_wr(struct nvkm_falcon *falcon, u8 port, const u8 *img, int len, u16 tag) +{ + nvkm_falcon_wr32(falcon, 0x188 + (port * 0x10), tag++); + while (len >= 4) { + nvkm_falcon_wr32(falcon, 0x184 + (port * 0x10), *(u32 *)img); + img += 4; + len -= 4; + } +} + +const struct nvkm_falcon_func_pio +gm200_flcn_imem_pio = { + .min = 0x100, + .max = 0x100, + .wr_init = gm200_flcn_pio_imem_wr_init, + .wr = gm200_flcn_pio_imem_wr, +}; + +int +gm200_flcn_bind_stat(struct nvkm_falcon *falcon, bool intr) +{ + if (intr && !(nvkm_falcon_rd32(falcon, 0x008) & 0x00000008)) + return -1; + + return (nvkm_falcon_rd32(falcon, 0x0dc) & 0x00007000) >> 12; +} + +void +gm200_flcn_bind_inst(struct nvkm_falcon *falcon, int target, u64 addr) +{ + nvkm_falcon_mask(falcon, 0x604, 0x00000007, 0x00000000); /* DMAIDX_VIRT */ + nvkm_falcon_wr32(falcon, 0x054, (1 << 30) | (target << 28) | (addr >> 12)); + nvkm_falcon_mask(falcon, 0x090, 0x00010000, 0x00010000); + nvkm_falcon_mask(falcon, 0x0a4, 0x00000008, 0x00000008); +} + +int +gm200_flcn_reset_wait_mem_scrubbing(struct nvkm_falcon *falcon) +{ + nvkm_falcon_mask(falcon, 0x040, 0x00000000, 0x00000000); + + if (nvkm_msec(falcon->owner->device, 10, + if (!(nvkm_falcon_rd32(falcon, 0x10c) & 0x00000006)) + break; + ) < 0) + return -ETIMEDOUT; + + return 0; +} + +int +gm200_flcn_enable(struct nvkm_falcon *falcon) +{ + struct nvkm_device *device = falcon->owner->device; + int ret; + + if (falcon->func->reset_eng) { + ret = falcon->func->reset_eng(falcon); + if (ret) + return ret; + } + + if (falcon->func->select) { + ret = falcon->func->select(falcon); + if (ret) + return ret; + } + + if (falcon->func->reset_pmc) + nvkm_mc_enable(device, falcon->owner->type, falcon->owner->inst); + + ret = falcon->func->reset_wait_mem_scrubbing(falcon); + if (ret) + return ret; + + nvkm_falcon_wr32(falcon, 0x084, nvkm_rd32(device, 0x000000)); + return 0; +} + +int +gm200_flcn_disable(struct nvkm_falcon *falcon) +{ + struct nvkm_device *device = falcon->owner->device; + int ret; + + if (falcon->func->select) { + ret = falcon->func->select(falcon); + if (ret) + return ret; + } + + nvkm_falcon_mask(falcon, 0x048, 0x00000003, 0x00000000); + nvkm_falcon_wr32(falcon, 0x014, 0xffffffff); + + if (falcon->func->reset_pmc) { + if (falcon->func->reset_prep) { + ret = falcon->func->reset_prep(falcon); + if (ret) + return ret; + } + + nvkm_mc_disable(device, falcon->owner->type, falcon->owner->inst); + } + + if (falcon->func->reset_eng) { + ret = falcon->func->reset_eng(falcon); + if (ret) + return ret; + } + + return 0; +} + +int +gm200_flcn_fw_boot(struct nvkm_falcon_fw *fw, u32 *pmbox0, u32 *pmbox1, u32 mbox0_ok, u32 irqsclr) +{ + struct nvkm_falcon *falcon = fw->falcon; + u32 mbox0, mbox1; + int ret = 0; + + nvkm_falcon_wr32(falcon, 0x040, pmbox0 ? *pmbox0 : 0xcafebeef); + if (pmbox1) + nvkm_falcon_wr32(falcon, 0x044, *pmbox1); + + nvkm_falcon_wr32(falcon, 0x104, fw->boot_addr); + nvkm_falcon_wr32(falcon, 0x100, 0x00000002); + + if (nvkm_msec(falcon->owner->device, 2000, + if (nvkm_falcon_rd32(falcon, 0x100) & 0x00000010) + break; + ) < 0) + ret = -ETIMEDOUT; + + mbox0 = nvkm_falcon_rd32(falcon, 0x040); + mbox1 = nvkm_falcon_rd32(falcon, 0x044); + if (FLCN_ERRON(falcon, ret || mbox0 != mbox0_ok, "mbox %08x %08x", mbox0, mbox1)) + ret = ret ?: -EIO; + + if (irqsclr) + nvkm_falcon_mask(falcon, 0x004, 0xffffffff, irqsclr); + + return ret; +} + +int +gm200_flcn_fw_load(struct nvkm_falcon_fw *fw) +{ + struct nvkm_falcon *falcon = fw->falcon; + int target, ret; + + if (fw->inst) { + nvkm_falcon_mask(falcon, 0x048, 0x00000001, 0x00000001); + + switch (nvkm_memory_target(fw->inst)) { + case NVKM_MEM_TARGET_VRAM: target = 0; break; + case NVKM_MEM_TARGET_HOST: target = 2; break; + case NVKM_MEM_TARGET_NCOH: target = 3; break; + default: + WARN_ON(1); + return -EINVAL; + } + + falcon->func->bind_inst(falcon, target, nvkm_memory_addr(fw->inst)); + + if (nvkm_msec(falcon->owner->device, 10, + if (falcon->func->bind_stat(falcon, falcon->func->bind_intr) == 5) + break; + ) < 0) + return -ETIMEDOUT; + + nvkm_falcon_mask(falcon, 0x004, 0x00000008, 0x00000008); + nvkm_falcon_mask(falcon, 0x058, 0x00000002, 0x00000002); + + if (nvkm_msec(falcon->owner->device, 10, + if (falcon->func->bind_stat(falcon, false) == 0) + break; + ) < 0) + return -ETIMEDOUT; + } else { + nvkm_falcon_mask(falcon, 0x624, 0x00000080, 0x00000080); + nvkm_falcon_wr32(falcon, 0x10c, 0x00000000); + } + + if (fw->boot) { + switch (nvkm_memory_target(&fw->fw.mem.memory)) { + case NVKM_MEM_TARGET_VRAM: target = 4; break; + case NVKM_MEM_TARGET_HOST: target = 5; break; + case NVKM_MEM_TARGET_NCOH: target = 6; break; + default: + WARN_ON(1); + return -EINVAL; + } + + ret = nvkm_falcon_pio_wr(falcon, fw->boot, 0, 0, + IMEM, falcon->code.limit - fw->boot_size, fw->boot_size, + fw->boot_addr >> 8, false); + if (ret) + return ret; + + return fw->func->load_bld(fw); + } + + ret = nvkm_falcon_pio_wr(falcon, fw->fw.img + fw->nmem_base_img, fw->nmem_base_img, 0, + IMEM, fw->nmem_base, fw->nmem_size, fw->nmem_base >> 8, false); + if (ret) + return ret; + + ret = nvkm_falcon_pio_wr(falcon, fw->fw.img + fw->imem_base_img, fw->imem_base_img, 0, + IMEM, fw->imem_base, fw->imem_size, fw->imem_base >> 8, true); + if (ret) + return ret; + + ret = nvkm_falcon_pio_wr(falcon, fw->fw.img + fw->dmem_base_img, fw->dmem_base_img, 0, + DMEM, fw->dmem_base, fw->dmem_size, 0, false); + if (ret) + return ret; + + return 0; +} + +int +gm200_flcn_fw_reset(struct nvkm_falcon_fw *fw) +{ + return nvkm_falcon_reset(fw->falcon); +} + +int +gm200_flcn_fw_signature(struct nvkm_falcon_fw *fw, u32 *sig_base_src) +{ + struct nvkm_falcon *falcon = fw->falcon; + u32 addr = falcon->func->debug; + int ret = 0; + + if (addr) { + ret = nvkm_falcon_enable(falcon); + if (ret) + return ret; + + if (nvkm_falcon_rd32(falcon, addr) & 0x00100000) { + *sig_base_src = fw->sig_base_dbg; + return 1; + } + } + + return ret; +} + +const struct nvkm_falcon_fw_func +gm200_flcn_fw = { + .signature = gm200_flcn_fw_signature, + .reset = gm200_flcn_fw_reset, + .load = gm200_flcn_fw_load, + .boot = gm200_flcn_fw_boot, +}; |