diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/privring/gk104.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/privring/gk104.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/privring/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/privring/gk104.c new file mode 100644 index 000000000000..568a4c0997bd --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/privring/gk104.c @@ -0,0 +1,125 @@ +/* + * Copyright 2012 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. + * + * Authors: Ben Skeggs + */ +#include "priv.h" +#include <subdev/timer.h> + +static void +gk104_privring_intr_hub(struct nvkm_subdev *privring, int i) +{ + struct nvkm_device *device = privring->device; + u32 addr = nvkm_rd32(device, 0x122120 + (i * 0x0800)); + u32 data = nvkm_rd32(device, 0x122124 + (i * 0x0800)); + u32 stat = nvkm_rd32(device, 0x122128 + (i * 0x0800)); + nvkm_debug(privring, "HUB%d: %06x %08x (%08x)\n", i, addr, data, stat); +} + +static void +gk104_privring_intr_rop(struct nvkm_subdev *privring, int i) +{ + struct nvkm_device *device = privring->device; + u32 addr = nvkm_rd32(device, 0x124120 + (i * 0x0800)); + u32 data = nvkm_rd32(device, 0x124124 + (i * 0x0800)); + u32 stat = nvkm_rd32(device, 0x124128 + (i * 0x0800)); + nvkm_debug(privring, "ROP%d: %06x %08x (%08x)\n", i, addr, data, stat); +} + +static void +gk104_privring_intr_gpc(struct nvkm_subdev *privring, int i) +{ + struct nvkm_device *device = privring->device; + u32 addr = nvkm_rd32(device, 0x128120 + (i * 0x0800)); + u32 data = nvkm_rd32(device, 0x128124 + (i * 0x0800)); + u32 stat = nvkm_rd32(device, 0x128128 + (i * 0x0800)); + nvkm_debug(privring, "GPC%d: %06x %08x (%08x)\n", i, addr, data, stat); +} + +void +gk104_privring_intr(struct nvkm_subdev *privring) +{ + struct nvkm_device *device = privring->device; + u32 intr0 = nvkm_rd32(device, 0x120058); + u32 intr1 = nvkm_rd32(device, 0x12005c); + u32 hubnr = nvkm_rd32(device, 0x120070); + u32 ropnr = nvkm_rd32(device, 0x120074); + u32 gpcnr = nvkm_rd32(device, 0x120078); + u32 i; + + for (i = 0; (intr0 & 0x0000ff00) && i < hubnr; i++) { + u32 stat = 0x00000100 << i; + if (intr0 & stat) { + gk104_privring_intr_hub(privring, i); + intr0 &= ~stat; + } + } + + for (i = 0; (intr0 & 0xffff0000) && i < ropnr; i++) { + u32 stat = 0x00010000 << i; + if (intr0 & stat) { + gk104_privring_intr_rop(privring, i); + intr0 &= ~stat; + } + } + + for (i = 0; intr1 && i < gpcnr; i++) { + u32 stat = 0x00000001 << i; + if (intr1 & stat) { + gk104_privring_intr_gpc(privring, i); + intr1 &= ~stat; + } + } + + nvkm_mask(device, 0x12004c, 0x0000003f, 0x00000002); + nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0x12004c) & 0x0000003f)) + break; + ); +} + +static int +gk104_privring_init(struct nvkm_subdev *privring) +{ + struct nvkm_device *device = privring->device; + nvkm_mask(device, 0x122318, 0x0003ffff, 0x00001000); + nvkm_mask(device, 0x12231c, 0x0003ffff, 0x00000200); + nvkm_mask(device, 0x122310, 0x0003ffff, 0x00000800); + nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000100); + nvkm_mask(device, 0x1223b0, 0x0003ffff, 0x00000fff); + nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000200); + nvkm_mask(device, 0x122358, 0x0003ffff, 0x00002880); + return 0; +} + +static const struct nvkm_subdev_func +gk104_privring = { + .preinit = gk104_privring_init, + .init = gk104_privring_init, + .intr = gk104_privring_intr, +}; + +int +gk104_privring_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_subdev **pprivring) +{ + return nvkm_subdev_new_(&gk104_privring, device, type, inst, pprivring); +} |