diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c | 126 |
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); } |