drm/nouveau/pmu/gp10b: split from gm20b implementation

ACR LS FW loading is moving out of SECBOOT and into their specific subdevs,
and the available GM20B/GP10B FWs have interface differences.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h

@@ -43,6 +43,7 @@ int gm107_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
 int gm20b_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
 int gp100_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
 int gp102_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
+int gp10b_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
 
 /* interface to MEMX process running on PMU */
 struct nvkm_memx;

drivers/gpu/drm/nouveau/nvkm/engine/device/base.c

@@ -2395,7 +2395,7 @@ nv13b_chipset = {
 	.mc = gp10b_mc_new,
 	.mmu = gp10b_mmu_new,
 	.secboot = gp10b_secboot_new,
-	.pmu = gm20b_pmu_new,
+	.pmu = gp10b_pmu_new,
 	.timer = gk20a_timer_new,
 	.top = gk104_top_new,
 	.ce[0] = gp100_ce_new,

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/Kbuild

@@ -12,3 +12,4 @@ nvkm-y += nvkm/subdev/pmu/gm107.o
 nvkm-y += nvkm/subdev/pmu/gm20b.o
 nvkm-y += nvkm/subdev/pmu/gp100.o
 nvkm-y += nvkm/subdev/pmu/gp102.o
+nvkm-y += nvkm/subdev/pmu/gp10b.o

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c

@@ -19,12 +19,11 @@
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  */
-
-#include <engine/falcon.h>
-#include <core/msgqueue.h>
 #include "priv.h"
+#include <core/msgqueue.h>
+#include <engine/falcon.h>
 
-static void
+void
 gm20b_pmu_recv(struct nvkm_pmu *pmu)
 {
 	if (!pmu->queue) {
@@ -46,11 +45,5 @@ gm20b_pmu = {
 int
 gm20b_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
-	int ret;
-
-	ret = nvkm_pmu_new_(&gm20b_pmu, device, index, ppmu);
-	if (ret)
-		return ret;
-
-	return 0;
+	return nvkm_pmu_new_(&gm20b_pmu, device, index, ppmu);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp10b.c

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS 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 "priv.h"
+
+static const struct nvkm_pmu_func
+gp10b_pmu = {
+	.enabled = gf100_pmu_enabled,
+	.intr = gt215_pmu_intr,
+	.recv = gm20b_pmu_recv,
+};
+
+int
+gp10b_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
+{
+	return nvkm_pmu_new_(&gp10b_pmu, device, index, ppmu);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h

@@ -42,4 +42,6 @@ bool gf100_pmu_enabled(struct nvkm_pmu *);
 void gf100_pmu_reset(struct nvkm_pmu *);
 
 void gk110_pmu_pgob(struct nvkm_pmu *, bool);
+
+void gm20b_pmu_recv(struct nvkm_pmu *);
 #endif