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path: root/drivers/gpu/drm/nouveau/nvkm/engine/falcon.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/falcon.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/falcon.c292
1 files changed, 184 insertions, 108 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/falcon.c b/drivers/gpu/drm/nouveau/nvkm/engine/falcon.c
index 146357d13..acc8693bb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/falcon.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/falcon.c
@@ -21,40 +21,95 @@
*/
#include <engine/falcon.h>
-#include <core/device.h>
+#include <core/gpuobj.h>
#include <subdev/timer.h>
+#include <engine/fifo.h>
-void
-nvkm_falcon_intr(struct nvkm_subdev *subdev)
+static int
+nvkm_falcon_oclass_get(struct nvkm_oclass *oclass, int index)
{
- struct nvkm_falcon *falcon = (void *)subdev;
- u32 dispatch = nv_ro32(falcon, 0x01c);
- u32 intr = nv_ro32(falcon, 0x008) & dispatch & ~(dispatch >> 16);
+ struct nvkm_falcon *falcon = nvkm_falcon(oclass->engine);
+ int c = 0;
+
+ while (falcon->func->sclass[c].oclass) {
+ if (c++ == index) {
+ oclass->base = falcon->func->sclass[index];
+ return index;
+ }
+ }
+
+ return c;
+}
+
+static int
+nvkm_falcon_cclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
+ int align, struct nvkm_gpuobj **pgpuobj)
+{
+ return nvkm_gpuobj_new(object->engine->subdev.device, 256,
+ align, true, parent, pgpuobj);
+}
+
+static const struct nvkm_object_func
+nvkm_falcon_cclass = {
+ .bind = nvkm_falcon_cclass_bind,
+};
+
+static void
+nvkm_falcon_intr(struct nvkm_engine *engine)
+{
+ struct nvkm_falcon *falcon = nvkm_falcon(engine);
+ struct nvkm_subdev *subdev = &falcon->engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ const u32 base = falcon->addr;
+ u32 dest = nvkm_rd32(device, base + 0x01c);
+ u32 intr = nvkm_rd32(device, base + 0x008) & dest & ~(dest >> 16);
+ u32 inst = nvkm_rd32(device, base + 0x050) & 0x3fffffff;
+ struct nvkm_fifo_chan *chan;
+ unsigned long flags;
+
+ chan = nvkm_fifo_chan_inst(device->fifo, (u64)inst << 12, &flags);
+
+ if (intr & 0x00000040) {
+ if (falcon->func->intr) {
+ falcon->func->intr(falcon, chan);
+ nvkm_wr32(device, base + 0x004, 0x00000040);
+ intr &= ~0x00000040;
+ }
+ }
if (intr & 0x00000010) {
- nv_debug(falcon, "ucode halted\n");
- nv_wo32(falcon, 0x004, 0x00000010);
+ nvkm_debug(subdev, "ucode halted\n");
+ nvkm_wr32(device, base + 0x004, 0x00000010);
intr &= ~0x00000010;
}
if (intr) {
- nv_error(falcon, "unhandled intr 0x%08x\n", intr);
- nv_wo32(falcon, 0x004, intr);
+ nvkm_error(subdev, "intr %08x\n", intr);
+ nvkm_wr32(device, base + 0x004, intr);
}
-}
-u32
-_nvkm_falcon_rd32(struct nvkm_object *object, u64 addr)
-{
- struct nvkm_falcon *falcon = (void *)object;
- return nv_rd32(falcon, falcon->addr + addr);
+ nvkm_fifo_chan_put(device->fifo, flags, &chan);
}
-void
-_nvkm_falcon_wr32(struct nvkm_object *object, u64 addr, u32 data)
+static int
+nvkm_falcon_fini(struct nvkm_engine *engine, bool suspend)
{
- struct nvkm_falcon *falcon = (void *)object;
- nv_wr32(falcon, falcon->addr + addr, data);
+ struct nvkm_falcon *falcon = nvkm_falcon(engine);
+ struct nvkm_device *device = falcon->engine.subdev.device;
+ const u32 base = falcon->addr;
+
+ if (!suspend) {
+ nvkm_memory_del(&falcon->core);
+ if (falcon->external) {
+ vfree(falcon->data.data);
+ vfree(falcon->code.data);
+ falcon->code.data = NULL;
+ }
+ }
+
+ nvkm_mask(device, base + 0x048, 0x00000003, 0x00000000);
+ nvkm_wr32(device, base + 0x014, 0xffffffff);
+ return 0;
}
static void *
@@ -67,51 +122,66 @@ vmemdup(const void *src, size_t len)
return p;
}
-int
-_nvkm_falcon_init(struct nvkm_object *object)
+static int
+nvkm_falcon_oneinit(struct nvkm_engine *engine)
{
- struct nvkm_device *device = nv_device(object);
- struct nvkm_falcon *falcon = (void *)object;
- const struct firmware *fw;
- char name[32] = "internal";
- int ret, i;
+ struct nvkm_falcon *falcon = nvkm_falcon(engine);
+ struct nvkm_subdev *subdev = &falcon->engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ const u32 base = falcon->addr;
u32 caps;
- /* enable engine, and determine its capabilities */
- ret = nvkm_engine_init(&falcon->base);
- if (ret)
- return ret;
-
+ /* determine falcon capabilities */
if (device->chipset < 0xa3 ||
device->chipset == 0xaa || device->chipset == 0xac) {
falcon->version = 0;
falcon->secret = (falcon->addr == 0x087000) ? 1 : 0;
} else {
- caps = nv_ro32(falcon, 0x12c);
+ caps = nvkm_rd32(device, base + 0x12c);
falcon->version = (caps & 0x0000000f);
falcon->secret = (caps & 0x00000030) >> 4;
}
- caps = nv_ro32(falcon, 0x108);
+ caps = nvkm_rd32(device, base + 0x108);
falcon->code.limit = (caps & 0x000001ff) << 8;
falcon->data.limit = (caps & 0x0003fe00) >> 1;
- nv_debug(falcon, "falcon version: %d\n", falcon->version);
- nv_debug(falcon, "secret level: %d\n", falcon->secret);
- nv_debug(falcon, "code limit: %d\n", falcon->code.limit);
- nv_debug(falcon, "data limit: %d\n", falcon->data.limit);
+ nvkm_debug(subdev, "falcon version: %d\n", falcon->version);
+ nvkm_debug(subdev, "secret level: %d\n", falcon->secret);
+ nvkm_debug(subdev, "code limit: %d\n", falcon->code.limit);
+ nvkm_debug(subdev, "data limit: %d\n", falcon->data.limit);
+ return 0;
+}
+
+static int
+nvkm_falcon_init(struct nvkm_engine *engine)
+{
+ struct nvkm_falcon *falcon = nvkm_falcon(engine);
+ struct nvkm_subdev *subdev = &falcon->engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ const struct firmware *fw;
+ char name[32] = "internal";
+ const u32 base = falcon->addr;
+ int ret, i;
/* wait for 'uc halted' to be signalled before continuing */
if (falcon->secret && falcon->version < 4) {
- if (!falcon->version)
- nv_wait(falcon, 0x008, 0x00000010, 0x00000010);
- else
- nv_wait(falcon, 0x180, 0x80000000, 0);
- nv_wo32(falcon, 0x004, 0x00000010);
+ if (!falcon->version) {
+ nvkm_msec(device, 2000,
+ if (nvkm_rd32(device, base + 0x008) & 0x00000010)
+ break;
+ );
+ } else {
+ nvkm_msec(device, 2000,
+ if (!(nvkm_rd32(device, base + 0x180) & 0x80000000))
+ break;
+ );
+ }
+ nvkm_wr32(device, base + 0x004, 0x00000010);
}
/* disable all interrupts */
- nv_wo32(falcon, 0x014, 0xffffffff);
+ nvkm_wr32(device, base + 0x014, 0xffffffff);
/* no default ucode provided by the engine implementation, try and
* locate a "self-bootstrapping" firmware image for the engine
@@ -120,7 +190,7 @@ _nvkm_falcon_init(struct nvkm_object *object)
snprintf(name, sizeof(name), "/*(DEBLOBBED)*/",
device->chipset, falcon->addr >> 12);
- ret = reject_firmware(&fw, name, nv_device_base(device));
+ ret = reject_firmware(&fw, name, device->dev);
if (ret == 0) {
falcon->code.data = vmemdup(fw->data, fw->size);
falcon->code.size = fw->size;
@@ -139,10 +209,10 @@ _nvkm_falcon_init(struct nvkm_object *object)
snprintf(name, sizeof(name), "/*(DEBLOBBED)*/",
device->chipset, falcon->addr >> 12);
- ret = reject_firmware(&fw, name, nv_device_base(device));
+ ret = reject_firmware(&fw, name, device->dev);
if (ret) {
- nv_error(falcon, "unable to load firmware data\n");
- return ret;
+ nvkm_error(subdev, "unable to load firmware data\n");
+ return -ENODEV;
}
falcon->data.data = vmemdup(fw->data, fw->size);
@@ -154,10 +224,10 @@ _nvkm_falcon_init(struct nvkm_object *object)
snprintf(name, sizeof(name), "/*(DEBLOBBED)*/",
device->chipset, falcon->addr >> 12);
- ret = reject_firmware(&fw, name, nv_device_base(device));
+ ret = reject_firmware(&fw, name, device->dev);
if (ret) {
- nv_error(falcon, "unable to load firmware code\n");
- return ret;
+ nvkm_error(subdev, "unable to load firmware code\n");
+ return -ENODEV;
}
falcon->code.data = vmemdup(fw->data, fw->size);
@@ -167,111 +237,117 @@ _nvkm_falcon_init(struct nvkm_object *object)
return -ENOMEM;
}
- nv_debug(falcon, "firmware: %s (%s)\n", name, falcon->data.data ?
- "static code/data segments" : "self-bootstrapping");
+ nvkm_debug(subdev, "firmware: %s (%s)\n", name, falcon->data.data ?
+ "static code/data segments" : "self-bootstrapping");
/* ensure any "self-bootstrapping" firmware image is in vram */
if (!falcon->data.data && !falcon->core) {
- ret = nvkm_gpuobj_new(object->parent, NULL, falcon->code.size,
- 256, 0, &falcon->core);
+ ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST,
+ falcon->code.size, 256, false,
+ &falcon->core);
if (ret) {
- nv_error(falcon, "core allocation failed, %d\n", ret);
+ nvkm_error(subdev, "core allocation failed, %d\n", ret);
return ret;
}
+ nvkm_kmap(falcon->core);
for (i = 0; i < falcon->code.size; i += 4)
- nv_wo32(falcon->core, i, falcon->code.data[i / 4]);
+ nvkm_wo32(falcon->core, i, falcon->code.data[i / 4]);
+ nvkm_done(falcon->core);
}
/* upload firmware bootloader (or the full code segments) */
if (falcon->core) {
+ u64 addr = nvkm_memory_addr(falcon->core);
if (device->card_type < NV_C0)
- nv_wo32(falcon, 0x618, 0x04000000);
+ nvkm_wr32(device, base + 0x618, 0x04000000);
else
- nv_wo32(falcon, 0x618, 0x00000114);
- nv_wo32(falcon, 0x11c, 0);
- nv_wo32(falcon, 0x110, falcon->core->addr >> 8);
- nv_wo32(falcon, 0x114, 0);
- nv_wo32(falcon, 0x118, 0x00006610);
+ nvkm_wr32(device, base + 0x618, 0x00000114);
+ nvkm_wr32(device, base + 0x11c, 0);
+ nvkm_wr32(device, base + 0x110, addr >> 8);
+ nvkm_wr32(device, base + 0x114, 0);
+ nvkm_wr32(device, base + 0x118, 0x00006610);
} else {
if (falcon->code.size > falcon->code.limit ||
falcon->data.size > falcon->data.limit) {
- nv_error(falcon, "ucode exceeds falcon limit(s)\n");
+ nvkm_error(subdev, "ucode exceeds falcon limit(s)\n");
return -EINVAL;
}
if (falcon->version < 3) {
- nv_wo32(falcon, 0xff8, 0x00100000);
+ nvkm_wr32(device, base + 0xff8, 0x00100000);
for (i = 0; i < falcon->code.size / 4; i++)
- nv_wo32(falcon, 0xff4, falcon->code.data[i]);
+ nvkm_wr32(device, base + 0xff4, falcon->code.data[i]);
} else {
- nv_wo32(falcon, 0x180, 0x01000000);
+ nvkm_wr32(device, base + 0x180, 0x01000000);
for (i = 0; i < falcon->code.size / 4; i++) {
if ((i & 0x3f) == 0)
- nv_wo32(falcon, 0x188, i >> 6);
- nv_wo32(falcon, 0x184, falcon->code.data[i]);
+ nvkm_wr32(device, base + 0x188, i >> 6);
+ nvkm_wr32(device, base + 0x184, falcon->code.data[i]);
}
}
}
/* upload data segment (if necessary), zeroing the remainder */
if (falcon->version < 3) {
- nv_wo32(falcon, 0xff8, 0x00000000);
+ nvkm_wr32(device, base + 0xff8, 0x00000000);
for (i = 0; !falcon->core && i < falcon->data.size / 4; i++)
- nv_wo32(falcon, 0xff4, falcon->data.data[i]);
+ nvkm_wr32(device, base + 0xff4, falcon->data.data[i]);
for (; i < falcon->data.limit; i += 4)
- nv_wo32(falcon, 0xff4, 0x00000000);
+ nvkm_wr32(device, base + 0xff4, 0x00000000);
} else {
- nv_wo32(falcon, 0x1c0, 0x01000000);
+ nvkm_wr32(device, base + 0x1c0, 0x01000000);
for (i = 0; !falcon->core && i < falcon->data.size / 4; i++)
- nv_wo32(falcon, 0x1c4, falcon->data.data[i]);
+ nvkm_wr32(device, base + 0x1c4, falcon->data.data[i]);
for (; i < falcon->data.limit / 4; i++)
- nv_wo32(falcon, 0x1c4, 0x00000000);
+ nvkm_wr32(device, base + 0x1c4, 0x00000000);
}
/* start it running */
- nv_wo32(falcon, 0x10c, 0x00000001); /* BLOCK_ON_FIFO */
- nv_wo32(falcon, 0x104, 0x00000000); /* ENTRY */
- nv_wo32(falcon, 0x100, 0x00000002); /* TRIGGER */
- nv_wo32(falcon, 0x048, 0x00000003); /* FIFO | CHSW */
+ nvkm_wr32(device, base + 0x10c, 0x00000001); /* BLOCK_ON_FIFO */
+ nvkm_wr32(device, base + 0x104, 0x00000000); /* ENTRY */
+ nvkm_wr32(device, base + 0x100, 0x00000002); /* TRIGGER */
+ nvkm_wr32(device, base + 0x048, 0x00000003); /* FIFO | CHSW */
+
+ if (falcon->func->init)
+ falcon->func->init(falcon);
return 0;
}
-int
-_nvkm_falcon_fini(struct nvkm_object *object, bool suspend)
+static void *
+nvkm_falcon_dtor(struct nvkm_engine *engine)
{
- struct nvkm_falcon *falcon = (void *)object;
-
- if (!suspend) {
- nvkm_gpuobj_ref(NULL, &falcon->core);
- if (falcon->external) {
- vfree(falcon->data.data);
- vfree(falcon->code.data);
- falcon->code.data = NULL;
- }
- }
-
- nv_mo32(falcon, 0x048, 0x00000003, 0x00000000);
- nv_wo32(falcon, 0x014, 0xffffffff);
-
- return nvkm_engine_fini(&falcon->base, suspend);
+ return nvkm_falcon(engine);
}
+static const struct nvkm_engine_func
+nvkm_falcon = {
+ .dtor = nvkm_falcon_dtor,
+ .oneinit = nvkm_falcon_oneinit,
+ .init = nvkm_falcon_init,
+ .fini = nvkm_falcon_fini,
+ .intr = nvkm_falcon_intr,
+ .fifo.sclass = nvkm_falcon_oclass_get,
+ .cclass = &nvkm_falcon_cclass,
+};
+
int
-nvkm_falcon_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)
+nvkm_falcon_new_(const struct nvkm_falcon_func *func,
+ struct nvkm_device *device, int index, bool enable,
+ u32 addr, struct nvkm_engine **pengine)
{
struct nvkm_falcon *falcon;
- int ret;
-
- ret = nvkm_engine_create_(parent, engine, oclass, enable, iname,
- fname, length, pobject);
- falcon = *pobject;
- if (ret)
- return ret;
+ if (!(falcon = kzalloc(sizeof(*falcon), GFP_KERNEL)))
+ return -ENOMEM;
+ falcon->func = func;
falcon->addr = addr;
- return 0;
+ falcon->code.data = func->code.data;
+ falcon->code.size = func->code.size;
+ falcon->data.data = func->data.data;
+ falcon->data.size = func->data.size;
+ *pengine = &falcon->engine;
+
+ return nvkm_engine_ctor(&nvkm_falcon, device, index, func->pmc_enable,
+ enable, &falcon->engine);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 16:30:31 +0000