diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c | 192 |
1 files changed, 106 insertions, 86 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c b/drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c index cea90df533d9..a3d4f5bcec7a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c @@ -20,153 +20,173 @@ * OTHER DEALINGS IN THE SOFTWARE. */ #include <engine/xtensa.h> -#include <core/device.h> -#include <core/engctx.h> +#include <core/gpuobj.h> +#include <engine/fifo.h> -u32 -_nvkm_xtensa_rd32(struct nvkm_object *object, u64 addr) +static int +nvkm_xtensa_oclass_get(struct nvkm_oclass *oclass, int index) { - struct nvkm_xtensa *xtensa = (void *)object; - return nv_rd32(xtensa, xtensa->addr + addr); -} + struct nvkm_xtensa *xtensa = nvkm_xtensa(oclass->engine); + int c = 0; -void -_nvkm_xtensa_wr32(struct nvkm_object *object, u64 addr, u32 data) -{ - struct nvkm_xtensa *xtensa = (void *)object; - nv_wr32(xtensa, xtensa->addr + addr, data); + while (xtensa->func->sclass[c].oclass) { + if (c++ == index) { + oclass->base = xtensa->func->sclass[index]; + return index; + } + } + + return c; } -int -_nvkm_xtensa_engctx_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 size, - struct nvkm_object **pobject) +static int +nvkm_xtensa_cclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, + int align, struct nvkm_gpuobj **pgpuobj) { - struct nvkm_engctx *engctx; - int ret; - - ret = nvkm_engctx_create(parent, engine, oclass, NULL, 0x10000, 0x1000, - NVOBJ_FLAG_ZERO_ALLOC, &engctx); - *pobject = nv_object(engctx); - return ret; + return nvkm_gpuobj_new(object->engine->subdev.device, 0x10000, align, + true, parent, pgpuobj); } -void -_nvkm_xtensa_intr(struct nvkm_subdev *subdev) +static const struct nvkm_object_func +nvkm_xtensa_cclass = { + .bind = nvkm_xtensa_cclass_bind, +}; + +static void +nvkm_xtensa_intr(struct nvkm_engine *engine) { - struct nvkm_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); + struct nvkm_xtensa *xtensa = nvkm_xtensa(engine); + struct nvkm_subdev *subdev = &xtensa->engine.subdev; + struct nvkm_device *device = subdev->device; + const u32 base = xtensa->addr; + u32 unk104 = nvkm_rd32(device, base + 0xd04); + u32 intr = nvkm_rd32(device, base + 0xc20); + u32 chan = nvkm_rd32(device, base + 0xc28); + u32 unk10c = nvkm_rd32(device, base + 0xd0c); if (intr & 0x10) - nv_warn(xtensa, "Watchdog interrupt, engine hung.\n"); - nv_wo32(xtensa, 0xc20, intr); - intr = nv_ro32(xtensa, 0xc20); + nvkm_warn(subdev, "Watchdog interrupt, engine hung.\n"); + nvkm_wr32(device, base + 0xc20, intr); + intr = nvkm_rd32(device, base + 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); + nvkm_debug(subdev, "Enabling FIFO_CTRL\n"); + nvkm_mask(device, xtensa->addr + 0xd94, 0, xtensa->func->fifo_val); } } -int -nvkm_xtensa_create_(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, u32 addr, bool enable, - const char *iname, const char *fname, - int length, void **pobject) +static int +nvkm_xtensa_fini(struct nvkm_engine *engine, bool suspend) { - struct nvkm_xtensa *xtensa; - int ret; + struct nvkm_xtensa *xtensa = nvkm_xtensa(engine); + struct nvkm_device *device = xtensa->engine.subdev.device; + const u32 base = xtensa->addr; - ret = nvkm_engine_create_(parent, engine, oclass, enable, iname, - fname, length, pobject); - xtensa = *pobject; - if (ret) - return ret; + nvkm_wr32(device, base + 0xd84, 0); /* INTR_EN */ + nvkm_wr32(device, base + 0xd94, 0); /* FIFO_CTRL */ - nv_subdev(xtensa)->intr = _nvkm_xtensa_intr; - xtensa->addr = addr; + if (!suspend) + nvkm_memory_del(&xtensa->gpu_fw); return 0; } -int -_nvkm_xtensa_init(struct nvkm_object *object) +static int +nvkm_xtensa_init(struct nvkm_engine *engine) { - struct nvkm_device *device = nv_device(object); - struct nvkm_xtensa *xtensa = (void *)object; + struct nvkm_xtensa *xtensa = nvkm_xtensa(engine); + struct nvkm_subdev *subdev = &xtensa->engine.subdev; + struct nvkm_device *device = subdev->device; + const u32 base = xtensa->addr; const struct firmware *fw; char name[32]; int i, ret; + u64 addr, size; u32 tmp; - ret = nvkm_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)); + ret = request_firmware(&fw, name, device->dev); if (ret) { - nv_warn(xtensa, "unable to load firmware %s\n", name); + nvkm_warn(subdev, "unable to load firmware %s\n", name); return ret; } if (fw->size > 0x40000) { - nv_warn(xtensa, "firmware %s too large\n", name); + nvkm_warn(subdev, "firmware %s too large\n", name); release_firmware(fw); return -EINVAL; } - ret = nvkm_gpuobj_new(object, NULL, 0x40000, 0x1000, 0, + ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, + 0x40000, 0x1000, false, &xtensa->gpu_fw); if (ret) { release_firmware(fw); return ret; } - nv_debug(xtensa, "Loading firmware to address: 0x%llx\n", - xtensa->gpu_fw->addr); - + nvkm_kmap(xtensa->gpu_fw); for (i = 0; i < fw->size / 4; i++) - nv_wo32(xtensa->gpu_fw, i * 4, *((u32 *)fw->data + i)); + nvkm_wo32(xtensa->gpu_fw, i * 4, *((u32 *)fw->data + i)); + nvkm_done(xtensa->gpu_fw); release_firmware(fw); } - nv_wo32(xtensa, 0xd10, 0x1fffffff); /* ?? */ - nv_wo32(xtensa, 0xd08, 0x0fffffff); /* ?? */ + addr = nvkm_memory_addr(xtensa->gpu_fw); + size = nvkm_memory_size(xtensa->gpu_fw); - nv_wo32(xtensa, 0xd28, xtensa->unkd28); /* ?? */ - nv_wo32(xtensa, 0xc20, 0x3f); /* INTR */ - nv_wo32(xtensa, 0xd84, 0x3f); /* INTR_EN */ + nvkm_wr32(device, base + 0xd10, 0x1fffffff); /* ?? */ + nvkm_wr32(device, base + 0xd08, 0x0fffffff); /* ?? */ - 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 */ + nvkm_wr32(device, base + 0xd28, xtensa->func->unkd28); /* ?? */ + nvkm_wr32(device, base + 0xc20, 0x3f); /* INTR */ + nvkm_wr32(device, base + 0xd84, 0x3f); /* INTR_EN */ - tmp = nv_rd32(xtensa, 0x0); - nv_wo32(xtensa, 0xde0, tmp); /* SCRATCH_H2X */ + nvkm_wr32(device, base + 0xcc0, addr >> 8); /* XT_REGION_BASE */ + nvkm_wr32(device, base + 0xcc4, 0x1c); /* XT_REGION_SETUP */ + nvkm_wr32(device, base + 0xcc8, size >> 8); /* XT_REGION_LIMIT */ - nv_wo32(xtensa, 0xce8, 0xf); /* XT_REGION_SETUP */ + tmp = nvkm_rd32(device, 0x0); + nvkm_wr32(device, base + 0xde0, tmp); /* SCRATCH_H2X */ - nv_wo32(xtensa, 0xc20, 0x3f); /* INTR */ - nv_wo32(xtensa, 0xd84, 0x3f); /* INTR_EN */ + nvkm_wr32(device, base + 0xce8, 0xf); /* XT_REGION_SETUP */ + + nvkm_wr32(device, base + 0xc20, 0x3f); /* INTR */ + nvkm_wr32(device, base + 0xd84, 0x3f); /* INTR_EN */ return 0; } -int -_nvkm_xtensa_fini(struct nvkm_object *object, bool suspend) +static void * +nvkm_xtensa_dtor(struct nvkm_engine *engine) { - struct nvkm_xtensa *xtensa = (void *)object; + return nvkm_xtensa(engine); +} - nv_wo32(xtensa, 0xd84, 0); /* INTR_EN */ - nv_wo32(xtensa, 0xd94, 0); /* FIFO_CTRL */ +static const struct nvkm_engine_func +nvkm_xtensa = { + .dtor = nvkm_xtensa_dtor, + .init = nvkm_xtensa_init, + .fini = nvkm_xtensa_fini, + .intr = nvkm_xtensa_intr, + .fifo.sclass = nvkm_xtensa_oclass_get, + .cclass = &nvkm_xtensa_cclass, +}; - if (!suspend) - nvkm_gpuobj_ref(NULL, &xtensa->gpu_fw); +int +nvkm_xtensa_new_(const struct nvkm_xtensa_func *func, + struct nvkm_device *device, int index, bool enable, + u32 addr, struct nvkm_engine **pengine) +{ + struct nvkm_xtensa *xtensa; + + if (!(xtensa = kzalloc(sizeof(*xtensa), GFP_KERNEL))) + return -ENOMEM; + xtensa->func = func; + xtensa->addr = addr; + *pengine = &xtensa->engine; - return nvkm_engine_fini(&xtensa->base, suspend); + return nvkm_engine_ctor(&nvkm_xtensa, device, index, func->pmc_enable, + enable, &xtensa->engine); } |