From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c | 123 ++++++++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c') 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); +} -- cgit v1.2.3