diff options
Diffstat (limited to 'nvkm/engine/xtensa.c')
| -rw-r--r-- | nvkm/engine/xtensa.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/nvkm/engine/xtensa.c b/nvkm/engine/xtensa.c deleted file mode 100644 index 92384759d..000000000 --- a/nvkm/engine/xtensa.c +++ /dev/null @@ -1,176 +0,0 @@ -/* - * Copyright 2013 Ilia Mirkin - * - * 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 <engine/xtensa.h> - -u32 -_nouveau_xtensa_rd32(struct nouveau_object *object, u64 addr) -{ - struct nouveau_xtensa *xtensa = (void *)object; - return nv_rd32(xtensa, xtensa->addr + addr); -} - -void -_nouveau_xtensa_wr32(struct nouveau_object *object, u64 addr, u32 data) -{ - struct nouveau_xtensa *xtensa = (void *)object; - nv_wr32(xtensa, xtensa->addr + addr, data); -} - -int -_nouveau_xtensa_engctx_ctor(struct nouveau_object *parent, - struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct nouveau_engctx *engctx; - int ret; - - ret = nouveau_engctx_create(parent, engine, oclass, NULL, - 0x10000, 0x1000, - NVOBJ_FLAG_ZERO_ALLOC, &engctx); - *pobject = nv_object(engctx); - return ret; -} - -void -_nouveau_xtensa_intr(struct nouveau_subdev *subdev) -{ - struct nouveau_xtensa *xtensa = (void *)subdev; - u32 unk104 = nv_ro32(xtensa, 0xd04); - u32 intr = nv_ro32(xtensa, 0xc20); - u32 chan = nv_ro32(xtensa, 0xc28); - u32 unk10c = nv_ro32(xtensa, 0xd0c); - - if (intr & 0x10) - nv_warn(xtensa, "Watchdog interrupt, engine hung.\n"); - nv_wo32(xtensa, 0xc20, intr); - intr = nv_ro32(xtensa, 0xc20); - if (unk104 == 0x10001 && unk10c == 0x200 && chan && !intr) { - nv_debug(xtensa, "Enabling FIFO_CTRL\n"); - nv_mask(xtensa, xtensa->addr + 0xd94, 0, xtensa->fifo_val); - } -} - -int -nouveau_xtensa_create_(struct nouveau_object *parent, - struct nouveau_object *engine, - struct nouveau_oclass *oclass, u32 addr, bool enable, - const char *iname, const char *fname, - int length, void **pobject) -{ - struct nouveau_xtensa *xtensa; - int ret; - - ret = nouveau_engine_create_(parent, engine, oclass, enable, iname, - fname, length, pobject); - xtensa = *pobject; - if (ret) - return ret; - - nv_subdev(xtensa)->intr = _nouveau_xtensa_intr; - - xtensa->addr = addr; - - return 0; -} - -int -_nouveau_xtensa_init(struct nouveau_object *object) -{ - struct nouveau_device *device = nv_device(object); - struct nouveau_xtensa *xtensa = (void *)object; - const struct firmware *fw; - char name[32]; - int i, ret; - u32 tmp; - - ret = nouveau_engine_init(&xtensa->base); - if (ret) - return ret; - - if (!xtensa->gpu_fw) { - snprintf(name, sizeof(name), "nouveau/nv84_xuc%03x", - xtensa->addr >> 12); - - ret = request_firmware(&fw, name, nv_device_base(device)); - if (ret) { - nv_warn(xtensa, "unable to load firmware %s\n", name); - return ret; - } - - if (fw->size > 0x40000) { - nv_warn(xtensa, "firmware %s too large\n", name); - release_firmware(fw); - return -EINVAL; - } - - ret = nouveau_gpuobj_new(object, NULL, 0x40000, 0x1000, 0, - &xtensa->gpu_fw); - if (ret) { - release_firmware(fw); - return ret; - } - - nv_debug(xtensa, "Loading firmware to address: 0x%llx\n", - xtensa->gpu_fw->addr); - - for (i = 0; i < fw->size / 4; i++) - nv_wo32(xtensa->gpu_fw, i * 4, *((u32 *)fw->data + i)); - release_firmware(fw); - } - - nv_wo32(xtensa, 0xd10, 0x1fffffff); /* ?? */ - nv_wo32(xtensa, 0xd08, 0x0fffffff); /* ?? */ - - nv_wo32(xtensa, 0xd28, xtensa->unkd28); /* ?? */ - nv_wo32(xtensa, 0xc20, 0x3f); /* INTR */ - nv_wo32(xtensa, 0xd84, 0x3f); /* INTR_EN */ - - nv_wo32(xtensa, 0xcc0, xtensa->gpu_fw->addr >> 8); /* XT_REGION_BASE */ - nv_wo32(xtensa, 0xcc4, 0x1c); /* XT_REGION_SETUP */ - nv_wo32(xtensa, 0xcc8, xtensa->gpu_fw->size >> 8); /* XT_REGION_LIMIT */ - - tmp = nv_rd32(xtensa, 0x0); - nv_wo32(xtensa, 0xde0, tmp); /* SCRATCH_H2X */ - - nv_wo32(xtensa, 0xce8, 0xf); /* XT_REGION_SETUP */ - - nv_wo32(xtensa, 0xc20, 0x3f); /* INTR */ - nv_wo32(xtensa, 0xd84, 0x3f); /* INTR_EN */ - - return 0; -} - -int -_nouveau_xtensa_fini(struct nouveau_object *object, bool suspend) -{ - struct nouveau_xtensa *xtensa = (void *)object; - - nv_wo32(xtensa, 0xd84, 0); /* INTR_EN */ - nv_wo32(xtensa, 0xd94, 0); /* FIFO_CTRL */ - - if (!suspend) - nouveau_gpuobj_ref(NULL, &xtensa->gpu_fw); - - return nouveau_engine_fini(&xtensa->base, suspend); -} |