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/subdev/mc/nv04.c | 86 +++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c') diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c new file mode 100644 index 000000000..bc0d09baf --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c @@ -0,0 +1,86 @@ +/* + * Copyright 2012 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 "priv.h" + +const struct nvkm_mc_map +nv04_mc_reset[] = { + { 0x00001000, NVKM_ENGINE_GR }, + { 0x00000100, NVKM_ENGINE_FIFO }, + {} +}; + +static const struct nvkm_mc_map +nv04_mc_intr[] = { + { 0x01010000, NVKM_ENGINE_DISP }, + { 0x00001000, NVKM_ENGINE_GR }, + { 0x00000100, NVKM_ENGINE_FIFO }, + { 0x10000000, NVKM_SUBDEV_BUS }, + { 0x00100000, NVKM_SUBDEV_TIMER }, + {} +}; + +void +nv04_mc_intr_unarm(struct nvkm_mc *mc) +{ + struct nvkm_device *device = mc->subdev.device; + nvkm_wr32(device, 0x000140, 0x00000000); + nvkm_rd32(device, 0x000140); +} + +void +nv04_mc_intr_rearm(struct nvkm_mc *mc) +{ + struct nvkm_device *device = mc->subdev.device; + nvkm_wr32(device, 0x000140, 0x00000001); +} + +u32 +nv04_mc_intr_stat(struct nvkm_mc *mc) +{ + return nvkm_rd32(mc->subdev.device, 0x000100); +} + +void +nv04_mc_init(struct nvkm_mc *mc) +{ + struct nvkm_device *device = mc->subdev.device; + nvkm_wr32(device, 0x000200, 0xffffffff); /* everything enabled */ + nvkm_wr32(device, 0x001850, 0x00000001); /* disable rom access */ +} + +static const struct nvkm_mc_func +nv04_mc = { + .init = nv04_mc_init, + .intr = nv04_mc_intr, + .intr_unarm = nv04_mc_intr_unarm, + .intr_rearm = nv04_mc_intr_rearm, + .intr_stat = nv04_mc_intr_stat, + .reset = nv04_mc_reset, +}; + +int +nv04_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc) +{ + return nvkm_mc_new_(&nv04_mc, device, type, inst, pmc); +} -- cgit v1.2.3