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path: root/drivers/gpu/drm/nouveau/nouveau_grctx.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_grctx.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_grctx.c160
1 files changed, 0 insertions, 160 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_grctx.c b/drivers/gpu/drm/nouveau/nouveau_grctx.c
deleted file mode 100644
index f731c5f6053..00000000000
--- a/drivers/gpu/drm/nouveau/nouveau_grctx.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
- * Copyright 2009 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.
- *
- * Authors: Ben Skeggs
- */
-
-#include <linux/firmware.h>
-#include <linux/slab.h>
-
-#include "drmP.h"
-#include "nouveau_drv.h"
-
-struct nouveau_ctxprog {
- uint32_t signature;
- uint8_t version;
- uint16_t length;
- uint32_t data[];
-} __attribute__ ((packed));
-
-struct nouveau_ctxvals {
- uint32_t signature;
- uint8_t version;
- uint32_t length;
- struct {
- uint32_t offset;
- uint32_t value;
- } data[];
-} __attribute__ ((packed));
-
-int
-nouveau_grctx_prog_load(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
- const int chipset = dev_priv->chipset;
- const struct firmware *fw;
- const struct nouveau_ctxprog *cp;
- const struct nouveau_ctxvals *cv;
- char name[32];
- int ret, i;
-
- if (pgraph->accel_blocked)
- return -ENODEV;
-
- if (!pgraph->ctxprog) {
- sprintf(name, "nouveau/nv%02x.ctxprog", chipset);
- ret = request_firmware(&fw, name, &dev->pdev->dev);
- if (ret) {
- NV_ERROR(dev, "No ctxprog for NV%02x\n", chipset);
- return ret;
- }
-
- pgraph->ctxprog = kmemdup(fw->data, fw->size, GFP_KERNEL);
- if (!pgraph->ctxprog) {
- NV_ERROR(dev, "OOM copying ctxprog\n");
- release_firmware(fw);
- return -ENOMEM;
- }
-
- cp = pgraph->ctxprog;
- if (le32_to_cpu(cp->signature) != 0x5043564e ||
- cp->version != 0 ||
- le16_to_cpu(cp->length) != ((fw->size - 7) / 4)) {
- NV_ERROR(dev, "ctxprog invalid\n");
- release_firmware(fw);
- nouveau_grctx_fini(dev);
- return -EINVAL;
- }
- release_firmware(fw);
- }
-
- if (!pgraph->ctxvals) {
- sprintf(name, "nouveau/nv%02x.ctxvals", chipset);
- ret = request_firmware(&fw, name, &dev->pdev->dev);
- if (ret) {
- NV_ERROR(dev, "No ctxvals for NV%02x\n", chipset);
- nouveau_grctx_fini(dev);
- return ret;
- }
-
- pgraph->ctxvals = kmemdup(fw->data, fw->size, GFP_KERNEL);
- if (!pgraph->ctxvals) {
- NV_ERROR(dev, "OOM copying ctxvals\n");
- release_firmware(fw);
- nouveau_grctx_fini(dev);
- return -ENOMEM;
- }
-
- cv = (void *)pgraph->ctxvals;
- if (le32_to_cpu(cv->signature) != 0x5643564e ||
- cv->version != 0 ||
- le32_to_cpu(cv->length) != ((fw->size - 9) / 8)) {
- NV_ERROR(dev, "ctxvals invalid\n");
- release_firmware(fw);
- nouveau_grctx_fini(dev);
- return -EINVAL;
- }
- release_firmware(fw);
- }
-
- cp = pgraph->ctxprog;
-
- nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
- for (i = 0; i < le16_to_cpu(cp->length); i++)
- nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA,
- le32_to_cpu(cp->data[i]));
-
- return 0;
-}
-
-void
-nouveau_grctx_fini(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
-
- if (pgraph->ctxprog) {
- kfree(pgraph->ctxprog);
- pgraph->ctxprog = NULL;
- }
-
- if (pgraph->ctxvals) {
- kfree(pgraph->ctxprog);
- pgraph->ctxvals = NULL;
- }
-}
-
-void
-nouveau_grctx_vals_load(struct drm_device *dev, struct nouveau_gpuobj *ctx)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
- struct nouveau_ctxvals *cv = pgraph->ctxvals;
- int i;
-
- if (!cv)
- return;
-
- for (i = 0; i < le32_to_cpu(cv->length); i++)
- nv_wo32(dev, ctx, le32_to_cpu(cv->data[i].offset),
- le32_to_cpu(cv->data[i].value));
-}