diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c deleted file mode 100644 index a96084b34a78..000000000000 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c +++ /dev/null @@ -1,136 +0,0 @@ -/* - * Copyright 2018 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. - */ -#define tu102_mc(p) container_of((p), struct tu102_mc, base) -#include "priv.h" - -struct tu102_mc { - struct nvkm_mc base; - spinlock_t lock; - bool intr; - u32 mask; -}; - -static void -tu102_mc_intr_update(struct tu102_mc *mc) -{ - struct nvkm_device *device = mc->base.subdev.device; - u32 mask = mc->intr ? mc->mask : 0, i; - - for (i = 0; i < 2; i++) { - nvkm_wr32(device, 0x000180 + (i * 0x04), ~mask); - nvkm_wr32(device, 0x000160 + (i * 0x04), mask); - } - - if (mask & 0x00000200) - nvkm_wr32(device, 0xb81608, 0x6); - else - nvkm_wr32(device, 0xb81610, 0x6); -} - -static void -tu102_mc_intr_unarm(struct nvkm_mc *base) -{ - struct tu102_mc *mc = tu102_mc(base); - unsigned long flags; - - spin_lock_irqsave(&mc->lock, flags); - mc->intr = false; - tu102_mc_intr_update(mc); - spin_unlock_irqrestore(&mc->lock, flags); -} - -static void -tu102_mc_intr_rearm(struct nvkm_mc *base) -{ - struct tu102_mc *mc = tu102_mc(base); - unsigned long flags; - - spin_lock_irqsave(&mc->lock, flags); - mc->intr = true; - tu102_mc_intr_update(mc); - spin_unlock_irqrestore(&mc->lock, flags); -} - -static void -tu102_mc_intr_mask(struct nvkm_mc *base, u32 mask, u32 intr) -{ - struct tu102_mc *mc = tu102_mc(base); - unsigned long flags; - - spin_lock_irqsave(&mc->lock, flags); - mc->mask = (mc->mask & ~mask) | intr; - tu102_mc_intr_update(mc); - spin_unlock_irqrestore(&mc->lock, flags); -} - -static u32 -tu102_mc_intr_stat(struct nvkm_mc *mc) -{ - struct nvkm_device *device = mc->subdev.device; - u32 intr0 = nvkm_rd32(device, 0x000100); - u32 intr1 = nvkm_rd32(device, 0x000104); - u32 intr_top = nvkm_rd32(device, 0xb81600); - - /* Turing and above route the MMU fault interrupts via a different - * interrupt tree with different control registers. For the moment remap - * them back to the old PMC vector. - */ - if (intr_top & 0x00000006) - intr0 |= 0x00000200; - - return intr0 | intr1; -} - - -static const struct nvkm_mc_func -tu102_mc = { - .init = nv50_mc_init, - .intr = gp100_mc_intr, - .intr_unarm = tu102_mc_intr_unarm, - .intr_rearm = tu102_mc_intr_rearm, - .intr_mask = tu102_mc_intr_mask, - .intr_stat = tu102_mc_intr_stat, - .reset = gk104_mc_reset, -}; - -static int -tu102_mc_new_(const struct nvkm_mc_func *func, struct nvkm_device *device, - enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc) -{ - struct tu102_mc *mc; - - if (!(mc = kzalloc(sizeof(*mc), GFP_KERNEL))) - return -ENOMEM; - nvkm_mc_ctor(func, device, type, inst, &mc->base); - *pmc = &mc->base; - - spin_lock_init(&mc->lock); - mc->intr = false; - mc->mask = 0x7fffffff; - return 0; -} - -int -tu102_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc) -{ - return tu102_mc_new_(&tu102_mc, device, type, inst, pmc); -} |