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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c126
1 files changed, 50 insertions, 76 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c
index 5fd1a0595c33..eb2ab03f4360 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c
@@ -21,108 +21,82 @@
*
* Authors: Ben Skeggs
*/
-#define gp100_mc(p) container_of((p), struct gp100_mc, base)
#include "priv.h"
-struct gp100_mc {
- struct nvkm_mc base;
- spinlock_t lock;
- bool intr;
- u32 mask;
+const struct nvkm_intr_data
+gp100_mc_intrs[] = {
+ { NVKM_ENGINE_DISP , 0, 0, 0x04000000, true },
+ { NVKM_ENGINE_FIFO , 0, 0, 0x00000100 },
+ { NVKM_SUBDEV_FAULT , 0, 0, 0x00000200, true },
+ { NVKM_SUBDEV_PRIVRING, 0, 0, 0x40000000, true },
+ { NVKM_SUBDEV_BUS , 0, 0, 0x10000000, true },
+ { NVKM_SUBDEV_FB , 0, 0, 0x08002000, true },
+ { NVKM_SUBDEV_LTC , 0, 0, 0x02000000, true },
+ { NVKM_SUBDEV_PMU , 0, 0, 0x01000000, true },
+ { NVKM_SUBDEV_GPIO , 0, 0, 0x00200000, true },
+ { NVKM_SUBDEV_I2C , 0, 0, 0x00200000, true },
+ { NVKM_SUBDEV_TIMER , 0, 0, 0x00100000, true },
+ { NVKM_SUBDEV_THERM , 0, 0, 0x00040000, true },
+ { NVKM_SUBDEV_TOP , 0, 0, 0x00009000 },
+ { NVKM_SUBDEV_TOP , 0, 0, 0xffff6fff, true },
+ {},
};
static void
-gp100_mc_intr_update(struct gp100_mc *mc)
+gp100_mc_intr_allow(struct nvkm_intr *intr, int leaf, u32 mask)
{
- 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);
- }
+ struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+
+ nvkm_wr32(mc->subdev.device, 0x000160 + (leaf * 4), mask);
}
-void
-gp100_mc_intr_unarm(struct nvkm_mc *base)
+static void
+gp100_mc_intr_block(struct nvkm_intr *intr, int leaf, u32 mask)
{
- struct gp100_mc *mc = gp100_mc(base);
- unsigned long flags;
- spin_lock_irqsave(&mc->lock, flags);
- mc->intr = false;
- gp100_mc_intr_update(mc);
- spin_unlock_irqrestore(&mc->lock, flags);
+ struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+
+ nvkm_wr32(mc->subdev.device, 0x000180 + (leaf * 4), mask);
}
-void
-gp100_mc_intr_rearm(struct nvkm_mc *base)
+static void
+gp100_mc_intr_rearm(struct nvkm_intr *intr)
{
- struct gp100_mc *mc = gp100_mc(base);
- unsigned long flags;
- spin_lock_irqsave(&mc->lock, flags);
- mc->intr = true;
- gp100_mc_intr_update(mc);
- spin_unlock_irqrestore(&mc->lock, flags);
+ int i;
+
+ for (i = 0; i < intr->leaves; i++)
+ intr->func->allow(intr, i, intr->mask[i]);
}
-void
-gp100_mc_intr_mask(struct nvkm_mc *base, u32 mask, u32 intr)
+static void
+gp100_mc_intr_unarm(struct nvkm_intr *intr)
{
- struct gp100_mc *mc = gp100_mc(base);
- unsigned long flags;
- spin_lock_irqsave(&mc->lock, flags);
- mc->mask = (mc->mask & ~mask) | intr;
- gp100_mc_intr_update(mc);
- spin_unlock_irqrestore(&mc->lock, flags);
+ int i;
+
+ for (i = 0; i < intr->leaves; i++)
+ intr->func->block(intr, i, 0xffffffff);
}
-const struct nvkm_mc_map
-gp100_mc_intr[] = {
- { 0x04000000, NVKM_ENGINE_DISP },
- { 0x00000100, NVKM_ENGINE_FIFO },
- { 0x00000200, NVKM_SUBDEV_FAULT },
- { 0x40000000, NVKM_SUBDEV_PRIVRING },
- { 0x10000000, NVKM_SUBDEV_BUS },
- { 0x08000000, NVKM_SUBDEV_FB },
- { 0x02000000, NVKM_SUBDEV_LTC },
- { 0x01000000, NVKM_SUBDEV_PMU },
- { 0x00200000, NVKM_SUBDEV_GPIO },
- { 0x00200000, NVKM_SUBDEV_I2C },
- { 0x00100000, NVKM_SUBDEV_TIMER },
- { 0x00040000, NVKM_SUBDEV_THERM },
- { 0x00002000, NVKM_SUBDEV_FB },
- {},
+const struct nvkm_intr_func
+gp100_mc_intr = {
+ .pending = nv04_mc_intr_pending,
+ .unarm = gp100_mc_intr_unarm,
+ .rearm = gp100_mc_intr_rearm,
+ .block = gp100_mc_intr_block,
+ .allow = gp100_mc_intr_allow,
};
static const struct nvkm_mc_func
gp100_mc = {
.init = nv50_mc_init,
- .intr = gp100_mc_intr,
- .intr_unarm = gp100_mc_intr_unarm,
- .intr_rearm = gp100_mc_intr_rearm,
- .intr_mask = gp100_mc_intr_mask,
- .intr_stat = gf100_mc_intr_stat,
+ .intr = &gp100_mc_intr,
+ .intrs = gp100_mc_intrs,
+ .intr_nonstall = true,
+ .device = &nv04_mc_device,
.reset = gk104_mc_reset,
};
int
-gp100_mc_new_(const struct nvkm_mc_func *func, struct nvkm_device *device,
- enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
-{
- struct gp100_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
gp100_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
{
- return gp100_mc_new_(&gp100_mc, device, type, inst, pmc);
+ return nvkm_mc_new_(&gp100_mc, device, type, inst, pmc);
}