diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c | 150 |
1 files changed, 38 insertions, 112 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c index 09f669ac6630..c85600ba69f9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c @@ -35,93 +35,29 @@ nvkm_mc_unk260(struct nvkm_device *device, u32 data) } void -nvkm_mc_intr_mask(struct nvkm_device *device, enum nvkm_devidx devidx, bool en) +nvkm_mc_intr_mask(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, bool en) { - struct nvkm_mc *mc = device->mc; - const struct nvkm_mc_map *map; - if (likely(mc) && mc->func->intr_mask) { - u32 mask = nvkm_top_intr_mask(device, devidx); - for (map = mc->func->intr; !mask && map->stat; map++) { - if (map->unit == devidx) - mask = map->stat; - } - mc->func->intr_mask(mc, mask, en ? mask : 0); - } -} - -void -nvkm_mc_intr_unarm(struct nvkm_device *device) -{ - struct nvkm_mc *mc = device->mc; - if (likely(mc)) - mc->func->intr_unarm(mc); -} - -void -nvkm_mc_intr_rearm(struct nvkm_device *device) -{ - struct nvkm_mc *mc = device->mc; - if (likely(mc)) - mc->func->intr_rearm(mc); -} - -static u32 -nvkm_mc_intr_stat(struct nvkm_mc *mc) -{ - u32 intr = mc->func->intr_stat(mc); - if (WARN_ON_ONCE(intr == 0xffffffff)) - intr = 0; /* likely fallen off the bus */ - return intr; -} + struct nvkm_subdev *subdev = nvkm_device_subdev(device, type, inst); -void -nvkm_mc_intr(struct nvkm_device *device, bool *handled) -{ - struct nvkm_mc *mc = device->mc; - struct nvkm_subdev *subdev; - const struct nvkm_mc_map *map; - u32 stat, intr; - u64 subdevs; - - if (unlikely(!mc)) - return; - - intr = nvkm_mc_intr_stat(mc); - stat = nvkm_top_intr(device, intr, &subdevs); - while (subdevs) { - enum nvkm_devidx subidx = __ffs64(subdevs); - subdev = nvkm_device_subdev(device, subidx); - if (subdev) - nvkm_subdev_intr(subdev); - subdevs &= ~BIT_ULL(subidx); + if (subdev) { + if (en) + nvkm_intr_allow(subdev, NVKM_INTR_SUBDEV); + else + nvkm_intr_block(subdev, NVKM_INTR_SUBDEV); } - - for (map = mc->func->intr; map->stat; map++) { - if (intr & map->stat) { - subdev = nvkm_device_subdev(device, map->unit); - if (subdev) - nvkm_subdev_intr(subdev); - stat &= ~map->stat; - } - } - - if (stat) - nvkm_error(&mc->subdev, "intr %08x\n", stat); - *handled = intr != 0; } static u32 -nvkm_mc_reset_mask(struct nvkm_device *device, bool isauto, - enum nvkm_devidx devidx) +nvkm_mc_reset_mask(struct nvkm_device *device, bool isauto, enum nvkm_subdev_type type, int inst) { struct nvkm_mc *mc = device->mc; const struct nvkm_mc_map *map; u64 pmc_enable = 0; if (likely(mc)) { - if (!(pmc_enable = nvkm_top_reset(device, devidx))) { + if (!(pmc_enable = nvkm_top_reset(device, type, inst))) { for (map = mc->func->reset; map && map->stat; map++) { if (!isauto || !map->noauto) { - if (map->unit == devidx) { + if (map->type == type && map->inst == inst) { pmc_enable = map->stat; break; } @@ -133,49 +69,37 @@ nvkm_mc_reset_mask(struct nvkm_device *device, bool isauto, } void -nvkm_mc_reset(struct nvkm_device *device, enum nvkm_devidx devidx) +nvkm_mc_reset(struct nvkm_device *device, enum nvkm_subdev_type type, int inst) { - u64 pmc_enable = nvkm_mc_reset_mask(device, true, devidx); + u64 pmc_enable = nvkm_mc_reset_mask(device, true, type, inst); if (pmc_enable) { - nvkm_mask(device, 0x000200, pmc_enable, 0x00000000); - nvkm_mask(device, 0x000200, pmc_enable, pmc_enable); - nvkm_rd32(device, 0x000200); + device->mc->func->device->disable(device->mc, pmc_enable); + device->mc->func->device->enable(device->mc, pmc_enable); } } void -nvkm_mc_disable(struct nvkm_device *device, enum nvkm_devidx devidx) +nvkm_mc_disable(struct nvkm_device *device, enum nvkm_subdev_type type, int inst) { - u64 pmc_enable = nvkm_mc_reset_mask(device, false, devidx); + u64 pmc_enable = nvkm_mc_reset_mask(device, false, type, inst); if (pmc_enable) - nvkm_mask(device, 0x000200, pmc_enable, 0x00000000); + device->mc->func->device->disable(device->mc, pmc_enable); } void -nvkm_mc_enable(struct nvkm_device *device, enum nvkm_devidx devidx) +nvkm_mc_enable(struct nvkm_device *device, enum nvkm_subdev_type type, int inst) { - u64 pmc_enable = nvkm_mc_reset_mask(device, false, devidx); - if (pmc_enable) { - nvkm_mask(device, 0x000200, pmc_enable, pmc_enable); - nvkm_rd32(device, 0x000200); - } + u64 pmc_enable = nvkm_mc_reset_mask(device, false, type, inst); + if (pmc_enable) + device->mc->func->device->enable(device->mc, pmc_enable); } bool -nvkm_mc_enabled(struct nvkm_device *device, enum nvkm_devidx devidx) +nvkm_mc_enabled(struct nvkm_device *device, enum nvkm_subdev_type type, int inst) { - u64 pmc_enable = nvkm_mc_reset_mask(device, false, devidx); + u64 pmc_enable = nvkm_mc_reset_mask(device, false, type, inst); - return (pmc_enable != 0) && - ((nvkm_rd32(device, 0x000200) & pmc_enable) == pmc_enable); -} - - -static int -nvkm_mc_fini(struct nvkm_subdev *subdev, bool suspend) -{ - nvkm_mc_intr_unarm(subdev->device); - return 0; + return (pmc_enable != 0) && device->mc->func->device->enabled(device->mc, pmc_enable); } static int @@ -184,7 +108,6 @@ nvkm_mc_init(struct nvkm_subdev *subdev) struct nvkm_mc *mc = nvkm_mc(subdev); if (mc->func->init) mc->func->init(mc); - nvkm_mc_intr_rearm(subdev->device); return 0; } @@ -198,24 +121,27 @@ static const struct nvkm_subdev_func nvkm_mc = { .dtor = nvkm_mc_dtor, .init = nvkm_mc_init, - .fini = nvkm_mc_fini, }; -void -nvkm_mc_ctor(const struct nvkm_mc_func *func, struct nvkm_device *device, - int index, struct nvkm_mc *mc) -{ - nvkm_subdev_ctor(&nvkm_mc, device, index, &mc->subdev); - mc->func = func; -} - int nvkm_mc_new_(const struct nvkm_mc_func *func, struct nvkm_device *device, - int index, struct nvkm_mc **pmc) + enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc) { struct nvkm_mc *mc; + int ret; + if (!(mc = *pmc = kzalloc(sizeof(*mc), GFP_KERNEL))) return -ENOMEM; - nvkm_mc_ctor(func, device, index, *pmc); + + nvkm_subdev_ctor(&nvkm_mc, device, type, inst, &mc->subdev); + mc->func = func; + + if (mc->func->intr) { + ret = nvkm_intr_add(mc->func->intr, mc->func->intrs, &mc->subdev, + mc->func->intr_nonstall ? 2 : 1, &mc->intr); + if (ret) + return ret; + } + return 0; } |