diff options
author | Ben Skeggs <bskeggs@redhat.com> | 2015-08-20 14:54:22 +1000 |
---|---|---|
committer | Ben Skeggs <bskeggs@redhat.com> | 2015-08-28 12:40:48 +1000 |
commit | d4c4cc8373806d0f822f8847f8bcda64f36cb73f (patch) | |
tree | 283b2cbc65a372d737ea0b2bc181e8d0a46cb2d1 /drivers/gpu/drm | |
parent | 0a34fb3149c3001f9c1b2bd0f98f94d63e74cb85 (diff) | |
download | linux-d4c4cc8373806d0f822f8847f8bcda64f36cb73f.tar.bz2 |
drm/nouveau/mc: abstract interface to master intr registers
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c | 32 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/g94.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/g98.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf100.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf106.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk20a.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c | 24 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv40.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv44.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv4c.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h | 9 |
13 files changed, 84 insertions, 11 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h index bafafa643e7f..1fbbdaad7fcd 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h @@ -10,6 +10,9 @@ struct nvkm_mc { bool use_msi; }; +void nvkm_mc_intr_unarm(struct nvkm_mc *); +void nvkm_mc_intr_rearm(struct nvkm_mc *); +u32 nvkm_mc_intr_mask(struct nvkm_mc *); void nvkm_mc_unk260(struct nvkm_mc *, u32 data); int nv04_mc_new(struct nvkm_device *, int, struct nvkm_mc **); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c index 8d0f5aca3d53..6a8d56c7201e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c @@ -32,13 +32,24 @@ nvkm_mc_unk260(struct nvkm_mc *mc, u32 data) mc->func->unk260(mc, data); } -static inline u32 +void +nvkm_mc_intr_unarm(struct nvkm_mc *mc) +{ + return mc->func->intr_unarm(mc); +} + +void +nvkm_mc_intr_rearm(struct nvkm_mc *mc) +{ + return mc->func->intr_rearm(mc); +} + +u32 nvkm_mc_intr_mask(struct nvkm_mc *mc) { - struct nvkm_device *device = mc->subdev.device; - u32 intr = nvkm_rd32(device, 0x000100); - if (intr == 0xffffffff) /* likely fallen off the bus */ - intr = 0x00000000; + u32 intr = mc->func->intr_mask(mc); + if (WARN_ON_ONCE(intr == 0xffffffff)) + intr = 0; /* likely fallen off the bus */ return intr; } @@ -52,8 +63,7 @@ nvkm_mc_intr(int irq, void *arg) struct nvkm_subdev *unit; u32 intr; - nvkm_wr32(device, 0x000140, 0x00000000); - nvkm_rd32(device, 0x000140); + nvkm_mc_intr_unarm(mc); intr = nvkm_mc_intr_mask(mc); if (mc->use_msi) mc->func->msi_rearm(mc); @@ -74,14 +84,15 @@ nvkm_mc_intr(int irq, void *arg) nvkm_error(subdev, "unknown intr %08x\n", stat); } - nvkm_wr32(device, 0x000140, 0x00000001); + nvkm_mc_intr_rearm(mc); return intr ? IRQ_HANDLED : IRQ_NONE; } static int nvkm_mc_fini(struct nvkm_subdev *subdev, bool suspend) { - nvkm_wr32(subdev->device, 0x000140, 0x00000000); + struct nvkm_mc *mc = nvkm_mc(subdev); + nvkm_mc_intr_unarm(mc); return 0; } @@ -96,10 +107,9 @@ static int nvkm_mc_init(struct nvkm_subdev *subdev) { struct nvkm_mc *mc = nvkm_mc(subdev); - struct nvkm_device *device = mc->subdev.device; if (mc->func->init) mc->func->init(mc); - nvkm_wr32(device, 0x000140, 0x00000001); + nvkm_mc_intr_rearm(mc); return 0; } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g94.c index 36720f25f952..7d6a87f22b42 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g94.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g94.c @@ -27,6 +27,9 @@ static const struct nvkm_mc_func g94_mc = { .init = nv50_mc_init, .intr = nv50_mc_intr, + .intr_unarm = nv04_mc_intr_unarm, + .intr_rearm = nv04_mc_intr_rearm, + .intr_mask = nv04_mc_intr_mask, .msi_rearm = nv40_mc_msi_rearm, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g98.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g98.c index 2936fabb7cf1..3eec7251b4d3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g98.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g98.c @@ -48,6 +48,9 @@ static const struct nvkm_mc_func g98_mc = { .init = nv50_mc_init, .intr = g98_mc_intr, + .intr_unarm = nv04_mc_intr_unarm, + .intr_rearm = nv04_mc_intr_rearm, + .intr_mask = nv04_mc_intr_mask, .msi_rearm = nv40_mc_msi_rearm, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf100.c index 6e7af483ccf3..5ad00809d66f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf100.c @@ -64,6 +64,9 @@ static const struct nvkm_mc_func gf100_mc = { .init = nv50_mc_init, .intr = gf100_mc_intr, + .intr_unarm = nv04_mc_intr_unarm, + .intr_rearm = nv04_mc_intr_rearm, + .intr_mask = nv04_mc_intr_mask, .msi_rearm = gf100_mc_msi_rearm, .unk260 = gf100_mc_unk260, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf106.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf106.c index 3515cff5ae48..435f788b78bd 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf106.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf106.c @@ -27,6 +27,9 @@ static const struct nvkm_mc_func gf106_mc = { .init = nv50_mc_init, .intr = gf100_mc_intr, + .intr_unarm = nv04_mc_intr_unarm, + .intr_rearm = nv04_mc_intr_rearm, + .intr_mask = nv04_mc_intr_mask, .msi_rearm = nv40_mc_msi_rearm, .unk260 = gf100_mc_unk260, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk20a.c index aa812fe19750..9a8b56620207 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk20a.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk20a.c @@ -27,6 +27,9 @@ static const struct nvkm_mc_func gk20a_mc = { .init = nv50_mc_init, .intr = gf100_mc_intr, + .intr_unarm = nv04_mc_intr_unarm, + .intr_rearm = nv04_mc_intr_rearm, + .intr_mask = nv04_mc_intr_mask, .msi_rearm = nv40_mc_msi_rearm, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c index 09dc2ebae7bc..d282ec1555f8 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c @@ -39,6 +39,27 @@ nv04_mc_intr[] = { }; 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_mask(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; @@ -50,6 +71,9 @@ 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_mask = nv04_mc_intr_mask, }; int diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv40.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv40.c index 1e75445f84de..80912e7d1dec 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv40.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv40.c @@ -33,6 +33,9 @@ static const struct nvkm_mc_func nv40_mc = { .init = nv04_mc_init, .intr = nv04_mc_intr, + .intr_unarm = nv04_mc_intr_unarm, + .intr_rearm = nv04_mc_intr_rearm, + .intr_mask = nv04_mc_intr_mask, .msi_rearm = nv40_mc_msi_rearm, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv44.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv44.c index e6795d1aa60d..79958c13a5f8 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv44.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv44.c @@ -41,6 +41,9 @@ static const struct nvkm_mc_func nv44_mc = { .init = nv44_mc_init, .intr = nv04_mc_intr, + .intr_unarm = nv04_mc_intr_unarm, + .intr_rearm = nv04_mc_intr_rearm, + .intr_mask = nv04_mc_intr_mask, .msi_rearm = nv40_mc_msi_rearm, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv4c.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv4c.c index 61ab2547af85..68a4a0477721 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv4c.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv4c.c @@ -27,6 +27,9 @@ static const struct nvkm_mc_func nv4c_mc = { .init = nv44_mc_init, .intr = nv04_mc_intr, + .intr_unarm = nv04_mc_intr_unarm, + .intr_rearm = nv04_mc_intr_rearm, + .intr_mask = nv04_mc_intr_mask, }; int diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c index 071789927615..325a18232030 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c @@ -59,6 +59,9 @@ static const struct nvkm_mc_func nv50_mc = { .init = nv50_mc_init, .intr = nv50_mc_intr, + .intr_unarm = nv04_mc_intr_unarm, + .intr_rearm = nv04_mc_intr_rearm, + .intr_mask = nv04_mc_intr_mask, .msi_rearm = nv50_mc_msi_rearm, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h index ca2249b18998..5f9407281b6f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h @@ -14,12 +14,21 @@ struct nvkm_mc_intr { struct nvkm_mc_func { void (*init)(struct nvkm_mc *); const struct nvkm_mc_intr *intr; + /* disable reporting of interrupts to host */ + void (*intr_unarm)(struct nvkm_mc *); + /* enable reporting of interrupts to host */ + void (*intr_rearm)(struct nvkm_mc *); + /* retrieve pending interrupt mask (NV_PMC_INTR) */ + u32 (*intr_mask)(struct nvkm_mc *); void (*msi_rearm)(struct nvkm_mc *); void (*unk260)(struct nvkm_mc *, u32); }; void nv04_mc_init(struct nvkm_mc *); extern const struct nvkm_mc_intr nv04_mc_intr[]; +void nv04_mc_intr_unarm(struct nvkm_mc *); +void nv04_mc_intr_rearm(struct nvkm_mc *); +u32 nv04_mc_intr_mask(struct nvkm_mc *); void nv40_mc_msi_rearm(struct nvkm_mc *); |