1 files changed, 0 insertions, 272 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pwr/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pwr/base.c
deleted file mode 100644
index 1ea433a5e118..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pwr/base.c
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
- * Copyright 2013 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 <subdev/timer.h>
-
-#include "priv.h"
-
-void
-nouveau_pwr_pgob(struct nouveau_pwr *ppwr, bool enable)
-{
-	const struct nvkm_pwr_impl *impl = (void *)nv_oclass(ppwr);
-	if (impl->pgob)
-		impl->pgob(ppwr, enable);
-}
-
-static int
-nouveau_pwr_send(struct nouveau_pwr *ppwr, u32 reply[2],
-		 u32 process, u32 message, u32 data0, u32 data1)
-{
-	struct nouveau_subdev *subdev = nv_subdev(ppwr);
-	u32 addr;
-
-	/* wait for a free slot in the fifo */
-	addr  = nv_rd32(ppwr, 0x10a4a0);
-	if (!nv_wait_ne(ppwr, 0x10a4b0, 0xffffffff, addr ^ 8))
-		return -EBUSY;
-
-	/* we currently only support a single process at a time waiting
-	 * on a synchronous reply, take the PPWR mutex and tell the
-	 * receive handler what we're waiting for
-	 */
-	if (reply) {
-		mutex_lock(&subdev->mutex);
-		ppwr->recv.message = message;
-		ppwr->recv.process = process;
-	}
-
-	/* acquire data segment access */
-	do {
-		nv_wr32(ppwr, 0x10a580, 0x00000001);
-	} while (nv_rd32(ppwr, 0x10a580) != 0x00000001);
-
-	/* write the packet */
-	nv_wr32(ppwr, 0x10a1c0, 0x01000000 | (((addr & 0x07) << 4) +
-				ppwr->send.base));
-	nv_wr32(ppwr, 0x10a1c4, process);
-	nv_wr32(ppwr, 0x10a1c4, message);
-	nv_wr32(ppwr, 0x10a1c4, data0);
-	nv_wr32(ppwr, 0x10a1c4, data1);
-	nv_wr32(ppwr, 0x10a4a0, (addr + 1) & 0x0f);
-
-	/* release data segment access */
-	nv_wr32(ppwr, 0x10a580, 0x00000000);
-
-	/* wait for reply, if requested */
-	if (reply) {
-		wait_event(ppwr->recv.wait, (ppwr->recv.process == 0));
-		reply[0] = ppwr->recv.data[0];
-		reply[1] = ppwr->recv.data[1];
-		mutex_unlock(&subdev->mutex);
-	}
-
-	return 0;
-}
-
-static void
-nouveau_pwr_recv(struct work_struct *work)
-{
-	struct nouveau_pwr *ppwr =
-		container_of(work, struct nouveau_pwr, recv.work);
-	u32 process, message, data0, data1;
-
-	/* nothing to do if GET == PUT */
-	u32 addr =  nv_rd32(ppwr, 0x10a4cc);
-	if (addr == nv_rd32(ppwr, 0x10a4c8))
-		return;
-
-	/* acquire data segment access */
-	do {
-		nv_wr32(ppwr, 0x10a580, 0x00000002);
-	} while (nv_rd32(ppwr, 0x10a580) != 0x00000002);
-
-	/* read the packet */
-	nv_wr32(ppwr, 0x10a1c0, 0x02000000 | (((addr & 0x07) << 4) +
-				ppwr->recv.base));
-	process = nv_rd32(ppwr, 0x10a1c4);
-	message = nv_rd32(ppwr, 0x10a1c4);
-	data0   = nv_rd32(ppwr, 0x10a1c4);
-	data1   = nv_rd32(ppwr, 0x10a1c4);
-	nv_wr32(ppwr, 0x10a4cc, (addr + 1) & 0x0f);
-
-	/* release data segment access */
-	nv_wr32(ppwr, 0x10a580, 0x00000000);
-
-	/* wake process if it's waiting on a synchronous reply */
-	if (ppwr->recv.process) {
-		if (process == ppwr->recv.process &&
-		    message == ppwr->recv.message) {
-			ppwr->recv.data[0] = data0;
-			ppwr->recv.data[1] = data1;
-			ppwr->recv.process = 0;
-			wake_up(&ppwr->recv.wait);
-			return;
-		}
-	}
-
-	/* right now there's no other expected responses from the engine,
-	 * so assume that any unexpected message is an error.
-	 */
-	nv_warn(ppwr, "%c%c%c%c 0x%08x 0x%08x 0x%08x 0x%08x\n",
-		(char)((process & 0x000000ff) >>  0),
-		(char)((process & 0x0000ff00) >>  8),
-		(char)((process & 0x00ff0000) >> 16),
-		(char)((process & 0xff000000) >> 24),
-		process, message, data0, data1);
-}
-
-static void
-nouveau_pwr_intr(struct nouveau_subdev *subdev)
-{
-	struct nouveau_pwr *ppwr = (void *)subdev;
-	u32 disp = nv_rd32(ppwr, 0x10a01c);
-	u32 intr = nv_rd32(ppwr, 0x10a008) & disp & ~(disp >> 16);
-
-	if (intr & 0x00000020) {
-		u32 stat = nv_rd32(ppwr, 0x10a16c);
-		if (stat & 0x80000000) {
-			nv_error(ppwr, "UAS fault at 0x%06x addr 0x%08x\n",
-				 stat & 0x00ffffff, nv_rd32(ppwr, 0x10a168));
-			nv_wr32(ppwr, 0x10a16c, 0x00000000);
-			intr &= ~0x00000020;
-		}
-	}
-
-	if (intr & 0x00000040) {
-		schedule_work(&ppwr->recv.work);
-		nv_wr32(ppwr, 0x10a004, 0x00000040);
-		intr &= ~0x00000040;
-	}
-
-	if (intr & 0x00000080) {
-		nv_info(ppwr, "wr32 0x%06x 0x%08x\n", nv_rd32(ppwr, 0x10a7a0),
-						      nv_rd32(ppwr, 0x10a7a4));
-		nv_wr32(ppwr, 0x10a004, 0x00000080);
-		intr &= ~0x00000080;
-	}
-
-	if (intr) {
-		nv_error(ppwr, "intr 0x%08x\n", intr);
-		nv_wr32(ppwr, 0x10a004, intr);
-	}
-}
-
-int
-_nouveau_pwr_fini(struct nouveau_object *object, bool suspend)
-{
-	struct nouveau_pwr *ppwr = (void *)object;
-
-	nv_wr32(ppwr, 0x10a014, 0x00000060);
-	flush_work(&ppwr->recv.work);
-
-	return nouveau_subdev_fini(&ppwr->base, suspend);
-}
-
-int
-_nouveau_pwr_init(struct nouveau_object *object)
-{
-	const struct nvkm_pwr_impl *impl = (void *)object->oclass;
-	struct nouveau_pwr *ppwr = (void *)object;
-	int ret, i;
-
-	ret = nouveau_subdev_init(&ppwr->base);
-	if (ret)
-		return ret;
-
-	nv_subdev(ppwr)->intr = nouveau_pwr_intr;
-	ppwr->message = nouveau_pwr_send;
-	ppwr->pgob = nouveau_pwr_pgob;
-
-	/* prevent previous ucode from running, wait for idle, reset */
-	nv_wr32(ppwr, 0x10a014, 0x0000ffff); /* INTR_EN_CLR = ALL */
-	nv_wait(ppwr, 0x10a04c, 0xffffffff, 0x00000000);
-	nv_mask(ppwr, 0x000200, 0x00002000, 0x00000000);
-	nv_mask(ppwr, 0x000200, 0x00002000, 0x00002000);
-	nv_rd32(ppwr, 0x000200);
-	nv_wait(ppwr, 0x10a10c, 0x00000006, 0x00000000);
-
-	/* upload data segment */
-	nv_wr32(ppwr, 0x10a1c0, 0x01000000);
-	for (i = 0; i < impl->data.size / 4; i++)
-		nv_wr32(ppwr, 0x10a1c4, impl->data.data[i]);
-
-	/* upload code segment */
-	nv_wr32(ppwr, 0x10a180, 0x01000000);
-	for (i = 0; i < impl->code.size / 4; i++) {
-		if ((i & 0x3f) == 0)
-			nv_wr32(ppwr, 0x10a188, i >> 6);
-		nv_wr32(ppwr, 0x10a184, impl->code.data[i]);
-	}
-
-	/* start it running */
-	nv_wr32(ppwr, 0x10a10c, 0x00000000);
-	nv_wr32(ppwr, 0x10a104, 0x00000000);
-	nv_wr32(ppwr, 0x10a100, 0x00000002);
-
-	/* wait for valid host->pwr ring configuration */
-	if (!nv_wait_ne(ppwr, 0x10a4d0, 0xffffffff, 0x00000000))
-		return -EBUSY;
-	ppwr->send.base = nv_rd32(ppwr, 0x10a4d0) & 0x0000ffff;
-	ppwr->send.size = nv_rd32(ppwr, 0x10a4d0) >> 16;
-
-	/* wait for valid pwr->host ring configuration */
-	if (!nv_wait_ne(ppwr, 0x10a4dc, 0xffffffff, 0x00000000))
-		return -EBUSY;
-	ppwr->recv.base = nv_rd32(ppwr, 0x10a4dc) & 0x0000ffff;
-	ppwr->recv.size = nv_rd32(ppwr, 0x10a4dc) >> 16;
-
-	nv_wr32(ppwr, 0x10a010, 0x000000e0);
-	return 0;
-}
-
-int
-nouveau_pwr_create_(struct nouveau_object *parent,
-		    struct nouveau_object *engine,
-		    struct nouveau_oclass *oclass, int length, void **pobject)
-{
-	struct nouveau_pwr *ppwr;
-	int ret;
-
-	ret = nouveau_subdev_create_(parent, engine, oclass, 0, "PPWR",
-				     "pwr", length, pobject);
-	ppwr = *pobject;
-	if (ret)
-		return ret;
-
-	INIT_WORK(&ppwr->recv.work, nouveau_pwr_recv);
-	init_waitqueue_head(&ppwr->recv.wait);
-	return 0;
-}
-
-int
-_nouveau_pwr_ctor(struct nouveau_object *parent,
-		  struct nouveau_object *engine,
-		  struct nouveau_oclass *oclass, void *data, u32 size,
-		  struct nouveau_object **pobject)
-{
-	struct nouveau_pwr *ppwr;
-	int ret = nouveau_pwr_create(parent, engine, oclass, &ppwr);
-	*pobject = nv_object(ppwr);
-	return ret;
-}