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-rw-r--r--nvkm/engine/falcon.c278
1 files changed, 0 insertions, 278 deletions
diff --git a/nvkm/engine/falcon.c b/nvkm/engine/falcon.c
deleted file mode 100644
index 2914646c8..000000000
--- a/nvkm/engine/falcon.c
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- * Copyright 2012 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 <engine/falcon.h>
-#include <subdev/timer.h>
-
-void
-nouveau_falcon_intr(struct nouveau_subdev *subdev)
-{
- struct nouveau_falcon *falcon = (void *)subdev;
- u32 dispatch = nv_ro32(falcon, 0x01c);
- u32 intr = nv_ro32(falcon, 0x008) & dispatch & ~(dispatch >> 16);
-
- if (intr & 0x00000010) {
- nv_debug(falcon, "ucode halted\n");
- nv_wo32(falcon, 0x004, 0x00000010);
- intr &= ~0x00000010;
- }
-
- if (intr) {
- nv_error(falcon, "unhandled intr 0x%08x\n", intr);
- nv_wo32(falcon, 0x004, intr);
- }
-}
-
-u32
-_nouveau_falcon_rd32(struct nouveau_object *object, u64 addr)
-{
- struct nouveau_falcon *falcon = (void *)object;
- return nv_rd32(falcon, falcon->addr + addr);
-}
-
-void
-_nouveau_falcon_wr32(struct nouveau_object *object, u64 addr, u32 data)
-{
- struct nouveau_falcon *falcon = (void *)object;
- nv_wr32(falcon, falcon->addr + addr, data);
-}
-
-static void *
-vmemdup(const void *src, size_t len)
-{
- void *p = vmalloc(len);
-
- if (p)
- memcpy(p, src, len);
- return p;
-}
-
-int
-_nouveau_falcon_init(struct nouveau_object *object)
-{
- struct nouveau_device *device = nv_device(object);
- struct nouveau_falcon *falcon = (void *)object;
- const struct firmware *fw;
- char name[32] = "internal";
- int ret, i;
- u32 caps;
-
- /* enable engine, and determine its capabilities */
- ret = nouveau_engine_init(&falcon->base);
- if (ret)
- return ret;
-
- 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);
- falcon->version = (caps & 0x0000000f);
- falcon->secret = (caps & 0x00000030) >> 4;
- }
-
- caps = nv_ro32(falcon, 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);
-
- /* 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);
- }
-
- /* disable all interrupts */
- nv_wo32(falcon, 0x014, 0xffffffff);
-
- /* no default ucode provided by the engine implementation, try and
- * locate a "self-bootstrapping" firmware image for the engine
- */
- if (!falcon->code.data) {
- snprintf(name, sizeof(name), "nouveau/nv%02x_fuc%03x",
- device->chipset, falcon->addr >> 12);
-
- ret = request_firmware(&fw, name, nv_device_base(device));
- if (ret == 0) {
- falcon->code.data = vmemdup(fw->data, fw->size);
- falcon->code.size = fw->size;
- falcon->data.data = NULL;
- falcon->data.size = 0;
- release_firmware(fw);
- }
-
- falcon->external = true;
- }
-
- /* next step is to try and load "static code/data segment" firmware
- * images for the engine
- */
- if (!falcon->code.data) {
- snprintf(name, sizeof(name), "nouveau/nv%02x_fuc%03xd",
- device->chipset, falcon->addr >> 12);
-
- ret = request_firmware(&fw, name, nv_device_base(device));
- if (ret) {
- nv_error(falcon, "unable to load firmware data\n");
- return ret;
- }
-
- falcon->data.data = vmemdup(fw->data, fw->size);
- falcon->data.size = fw->size;
- release_firmware(fw);
- if (!falcon->data.data)
- return -ENOMEM;
-
- snprintf(name, sizeof(name), "nouveau/nv%02x_fuc%03xc",
- device->chipset, falcon->addr >> 12);
-
- ret = request_firmware(&fw, name, nv_device_base(device));
- if (ret) {
- nv_error(falcon, "unable to load firmware code\n");
- return ret;
- }
-
- falcon->code.data = vmemdup(fw->data, fw->size);
- falcon->code.size = fw->size;
- release_firmware(fw);
- if (!falcon->code.data)
- return -ENOMEM;
- }
-
- nv_debug(falcon, "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 = nouveau_gpuobj_new(object->parent, NULL,
- falcon->code.size, 256, 0,
- &falcon->core);
- if (ret) {
- nv_error(falcon, "core allocation failed, %d\n", ret);
- return ret;
- }
-
- for (i = 0; i < falcon->code.size; i += 4)
- nv_wo32(falcon->core, i, falcon->code.data[i / 4]);
- }
-
- /* upload firmware bootloader (or the full code segments) */
- if (falcon->core) {
- if (device->card_type < NV_C0)
- nv_wo32(falcon, 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);
- } else {
- if (falcon->code.size > falcon->code.limit ||
- falcon->data.size > falcon->data.limit) {
- nv_error(falcon, "ucode exceeds falcon limit(s)\n");
- return -EINVAL;
- }
-
- if (falcon->version < 3) {
- nv_wo32(falcon, 0xff8, 0x00100000);
- for (i = 0; i < falcon->code.size / 4; i++)
- nv_wo32(falcon, 0xff4, falcon->code.data[i]);
- } else {
- nv_wo32(falcon, 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]);
- }
- }
- }
-
- /* upload data segment (if necessary), zeroing the remainder */
- if (falcon->version < 3) {
- nv_wo32(falcon, 0xff8, 0x00000000);
- for (i = 0; !falcon->core && i < falcon->data.size / 4; i++)
- nv_wo32(falcon, 0xff4, falcon->data.data[i]);
- for (; i < falcon->data.limit; i += 4)
- nv_wo32(falcon, 0xff4, 0x00000000);
- } else {
- nv_wo32(falcon, 0x1c0, 0x01000000);
- for (i = 0; !falcon->core && i < falcon->data.size / 4; i++)
- nv_wo32(falcon, 0x1c4, falcon->data.data[i]);
- for (; i < falcon->data.limit / 4; i++)
- nv_wo32(falcon, 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 */
- return 0;
-}
-
-int
-_nouveau_falcon_fini(struct nouveau_object *object, bool suspend)
-{
- struct nouveau_falcon *falcon = (void *)object;
-
- if (!suspend) {
- nouveau_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 nouveau_engine_fini(&falcon->base, suspend);
-}
-
-int
-nouveau_falcon_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_falcon *falcon;
- int ret;
-
- ret = nouveau_engine_create_(parent, engine, oclass, enable, iname,
- fname, length, pobject);
- falcon = *pobject;
- if (ret)
- return ret;
-
- falcon->addr = addr;
- return 0;
-}
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