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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c
new file mode 100644
index 000000000..eba5b3b79
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c
@@ -0,0 +1,123 @@
+/*
+ * 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 "nv40.h"
+
+static void
+nv40_perfctr_init(struct nvkm_pm *pm, struct nvkm_perfdom *dom,
+ struct nvkm_perfctr *ctr)
+{
+ struct nvkm_device *device = pm->engine.subdev.device;
+ u32 log = ctr->logic_op;
+ u32 src = 0x00000000;
+ int i;
+
+ for (i = 0; i < 4; i++)
+ src |= ctr->signal[i] << (i * 8);
+
+ nvkm_wr32(device, 0x00a7c0 + dom->addr, 0x00000001 | (dom->mode << 4));
+ nvkm_wr32(device, 0x00a400 + dom->addr + (ctr->slot * 0x40), src);
+ nvkm_wr32(device, 0x00a420 + dom->addr + (ctr->slot * 0x40), log);
+}
+
+static void
+nv40_perfctr_read(struct nvkm_pm *pm, struct nvkm_perfdom *dom,
+ struct nvkm_perfctr *ctr)
+{
+ struct nvkm_device *device = pm->engine.subdev.device;
+
+ switch (ctr->slot) {
+ case 0: ctr->ctr = nvkm_rd32(device, 0x00a700 + dom->addr); break;
+ case 1: ctr->ctr = nvkm_rd32(device, 0x00a6c0 + dom->addr); break;
+ case 2: ctr->ctr = nvkm_rd32(device, 0x00a680 + dom->addr); break;
+ case 3: ctr->ctr = nvkm_rd32(device, 0x00a740 + dom->addr); break;
+ }
+ dom->clk = nvkm_rd32(device, 0x00a600 + dom->addr);
+}
+
+static void
+nv40_perfctr_next(struct nvkm_pm *pm, struct nvkm_perfdom *dom)
+{
+ struct nvkm_device *device = pm->engine.subdev.device;
+ struct nv40_pm *nv40pm = container_of(pm, struct nv40_pm, base);
+
+ if (nv40pm->sequence != pm->sequence) {
+ nvkm_wr32(device, 0x400084, 0x00000020);
+ nv40pm->sequence = pm->sequence;
+ }
+}
+
+const struct nvkm_funcdom
+nv40_perfctr_func = {
+ .init = nv40_perfctr_init,
+ .read = nv40_perfctr_read,
+ .next = nv40_perfctr_next,
+};
+
+static const struct nvkm_pm_func
+nv40_pm_ = {
+};
+
+int
+nv40_pm_new_(const struct nvkm_specdom *doms, struct nvkm_device *device,
+ enum nvkm_subdev_type type, int inst, struct nvkm_pm **ppm)
+{
+ struct nv40_pm *pm;
+ int ret;
+
+ if (!(pm = kzalloc(sizeof(*pm), GFP_KERNEL)))
+ return -ENOMEM;
+ *ppm = &pm->base;
+
+ ret = nvkm_pm_ctor(&nv40_pm_, device, type, inst, &pm->base);
+ if (ret)
+ return ret;
+
+ return nvkm_perfdom_new(&pm->base, "pc", 0, 0, 0, 4, doms);
+}
+
+static const struct nvkm_specdom
+nv40_pm[] = {
+ { 0x20, (const struct nvkm_specsig[]) {
+ {}
+ }, &nv40_perfctr_func },
+ { 0x20, (const struct nvkm_specsig[]) {
+ {}
+ }, &nv40_perfctr_func },
+ { 0x20, (const struct nvkm_specsig[]) {
+ {}
+ }, &nv40_perfctr_func },
+ { 0x20, (const struct nvkm_specsig[]) {
+ {}
+ }, &nv40_perfctr_func },
+ { 0x20, (const struct nvkm_specsig[]) {
+ {}
+ }, &nv40_perfctr_func },
+ {}
+};
+
+int
+nv40_pm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_pm **ppm)
+{
+ return nv40_pm_new_(nv40_pm, device, type, inst, ppm);
+}