These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nvkm / subdev / pmu / base.c
index 054b2d2..d95eb86 100644 (file)
 void
 nvkm_pmu_pgob(struct nvkm_pmu *pmu, bool enable)
 {
-       const struct nvkm_pmu_impl *impl = (void *)nv_oclass(pmu);
-       if (impl->pgob)
-               impl->pgob(pmu, enable);
+       if (pmu && pmu->func->pgob)
+               pmu->func->pgob(pmu, enable);
 }
 
-static int
+int
 nvkm_pmu_send(struct nvkm_pmu *pmu, u32 reply[2],
              u32 process, u32 message, u32 data0, u32 data1)
 {
-       struct nvkm_subdev *subdev = nv_subdev(pmu);
+       struct nvkm_subdev *subdev = &pmu->subdev;
+       struct nvkm_device *device = subdev->device;
        u32 addr;
 
        /* wait for a free slot in the fifo */
-       addr  = nv_rd32(pmu, 0x10a4a0);
-       if (!nv_wait_ne(pmu, 0x10a4b0, 0xffffffff, addr ^ 8))
+       addr  = nvkm_rd32(device, 0x10a4a0);
+       if (nvkm_msec(device, 2000,
+               u32 tmp = nvkm_rd32(device, 0x10a4b0);
+               if (tmp != (addr ^ 8))
+                       break;
+       ) < 0)
                return -EBUSY;
 
        /* we currently only support a single process at a time waiting
@@ -57,20 +61,20 @@ nvkm_pmu_send(struct nvkm_pmu *pmu, u32 reply[2],
 
        /* acquire data segment access */
        do {
-               nv_wr32(pmu, 0x10a580, 0x00000001);
-       } while (nv_rd32(pmu, 0x10a580) != 0x00000001);
+               nvkm_wr32(device, 0x10a580, 0x00000001);
+       } while (nvkm_rd32(device, 0x10a580) != 0x00000001);
 
        /* write the packet */
-       nv_wr32(pmu, 0x10a1c0, 0x01000000 | (((addr & 0x07) << 4) +
+       nvkm_wr32(device, 0x10a1c0, 0x01000000 | (((addr & 0x07) << 4) +
                                pmu->send.base));
-       nv_wr32(pmu, 0x10a1c4, process);
-       nv_wr32(pmu, 0x10a1c4, message);
-       nv_wr32(pmu, 0x10a1c4, data0);
-       nv_wr32(pmu, 0x10a1c4, data1);
-       nv_wr32(pmu, 0x10a4a0, (addr + 1) & 0x0f);
+       nvkm_wr32(device, 0x10a1c4, process);
+       nvkm_wr32(device, 0x10a1c4, message);
+       nvkm_wr32(device, 0x10a1c4, data0);
+       nvkm_wr32(device, 0x10a1c4, data1);
+       nvkm_wr32(device, 0x10a4a0, (addr + 1) & 0x0f);
 
        /* release data segment access */
-       nv_wr32(pmu, 0x10a580, 0x00000000);
+       nvkm_wr32(device, 0x10a580, 0x00000000);
 
        /* wait for reply, if requested */
        if (reply) {
@@ -87,29 +91,31 @@ static void
 nvkm_pmu_recv(struct work_struct *work)
 {
        struct nvkm_pmu *pmu = container_of(work, struct nvkm_pmu, recv.work);
+       struct nvkm_subdev *subdev = &pmu->subdev;
+       struct nvkm_device *device = subdev->device;
        u32 process, message, data0, data1;
 
        /* nothing to do if GET == PUT */
-       u32 addr =  nv_rd32(pmu, 0x10a4cc);
-       if (addr == nv_rd32(pmu, 0x10a4c8))
+       u32 addr =  nvkm_rd32(device, 0x10a4cc);
+       if (addr == nvkm_rd32(device, 0x10a4c8))
                return;
 
        /* acquire data segment access */
        do {
-               nv_wr32(pmu, 0x10a580, 0x00000002);
-       } while (nv_rd32(pmu, 0x10a580) != 0x00000002);
+               nvkm_wr32(device, 0x10a580, 0x00000002);
+       } while (nvkm_rd32(device, 0x10a580) != 0x00000002);
 
        /* read the packet */
-       nv_wr32(pmu, 0x10a1c0, 0x02000000 | (((addr & 0x07) << 4) +
+       nvkm_wr32(device, 0x10a1c0, 0x02000000 | (((addr & 0x07) << 4) +
                                pmu->recv.base));
-       process = nv_rd32(pmu, 0x10a1c4);
-       message = nv_rd32(pmu, 0x10a1c4);
-       data0   = nv_rd32(pmu, 0x10a1c4);
-       data1   = nv_rd32(pmu, 0x10a1c4);
-       nv_wr32(pmu, 0x10a4cc, (addr + 1) & 0x0f);
+       process = nvkm_rd32(device, 0x10a1c4);
+       message = nvkm_rd32(device, 0x10a1c4);
+       data0   = nvkm_rd32(device, 0x10a1c4);
+       data1   = nvkm_rd32(device, 0x10a1c4);
+       nvkm_wr32(device, 0x10a4cc, (addr + 1) & 0x0f);
 
        /* release data segment access */
-       nv_wr32(pmu, 0x10a580, 0x00000000);
+       nvkm_wr32(device, 0x10a580, 0x00000000);
 
        /* wake process if it's waiting on a synchronous reply */
        if (pmu->recv.process) {
@@ -126,143 +132,149 @@ nvkm_pmu_recv(struct work_struct *work)
        /* right now there's no other expected responses from the engine,
         * so assume that any unexpected message is an error.
         */
-       nv_warn(pmu, "%c%c%c%c 0x%08x 0x%08x 0x%08x 0x%08x\n",
-               (char)((process & 0x000000ff) >>  0),
-               (char)((process & 0x0000ff00) >>  8),
-               (char)((process & 0x00ff0000) >> 16),
-               (char)((process & 0xff000000) >> 24),
-               process, message, data0, data1);
+       nvkm_warn(subdev, "%c%c%c%c %08x %08x %08x %08x\n",
+                 (char)((process & 0x000000ff) >>  0),
+                 (char)((process & 0x0000ff00) >>  8),
+                 (char)((process & 0x00ff0000) >> 16),
+                 (char)((process & 0xff000000) >> 24),
+                 process, message, data0, data1);
 }
 
 static void
 nvkm_pmu_intr(struct nvkm_subdev *subdev)
 {
-       struct nvkm_pmu *pmu = (void *)subdev;
-       u32 disp = nv_rd32(pmu, 0x10a01c);
-       u32 intr = nv_rd32(pmu, 0x10a008) & disp & ~(disp >> 16);
+       struct nvkm_pmu *pmu = nvkm_pmu(subdev);
+       struct nvkm_device *device = pmu->subdev.device;
+       u32 disp = nvkm_rd32(device, 0x10a01c);
+       u32 intr = nvkm_rd32(device, 0x10a008) & disp & ~(disp >> 16);
 
        if (intr & 0x00000020) {
-               u32 stat = nv_rd32(pmu, 0x10a16c);
+               u32 stat = nvkm_rd32(device, 0x10a16c);
                if (stat & 0x80000000) {
-                       nv_error(pmu, "UAS fault at 0x%06x addr 0x%08x\n",
-                                stat & 0x00ffffff, nv_rd32(pmu, 0x10a168));
-                       nv_wr32(pmu, 0x10a16c, 0x00000000);
+                       nvkm_error(subdev, "UAS fault at %06x addr %08x\n",
+                                  stat & 0x00ffffff,
+                                  nvkm_rd32(device, 0x10a168));
+                       nvkm_wr32(device, 0x10a16c, 0x00000000);
                        intr &= ~0x00000020;
                }
        }
 
        if (intr & 0x00000040) {
                schedule_work(&pmu->recv.work);
-               nv_wr32(pmu, 0x10a004, 0x00000040);
+               nvkm_wr32(device, 0x10a004, 0x00000040);
                intr &= ~0x00000040;
        }
 
        if (intr & 0x00000080) {
-               nv_info(pmu, "wr32 0x%06x 0x%08x\n", nv_rd32(pmu, 0x10a7a0),
-                                                    nv_rd32(pmu, 0x10a7a4));
-               nv_wr32(pmu, 0x10a004, 0x00000080);
+               nvkm_info(subdev, "wr32 %06x %08x\n",
+                         nvkm_rd32(device, 0x10a7a0),
+                         nvkm_rd32(device, 0x10a7a4));
+               nvkm_wr32(device, 0x10a004, 0x00000080);
                intr &= ~0x00000080;
        }
 
        if (intr) {
-               nv_error(pmu, "intr 0x%08x\n", intr);
-               nv_wr32(pmu, 0x10a004, intr);
+               nvkm_error(subdev, "intr %08x\n", intr);
+               nvkm_wr32(device, 0x10a004, intr);
        }
 }
 
-int
-_nvkm_pmu_fini(struct nvkm_object *object, bool suspend)
+static int
+nvkm_pmu_fini(struct nvkm_subdev *subdev, bool suspend)
 {
-       struct nvkm_pmu *pmu = (void *)object;
+       struct nvkm_pmu *pmu = nvkm_pmu(subdev);
+       struct nvkm_device *device = pmu->subdev.device;
 
-       nv_wr32(pmu, 0x10a014, 0x00000060);
+       nvkm_wr32(device, 0x10a014, 0x00000060);
        flush_work(&pmu->recv.work);
-
-       return nvkm_subdev_fini(&pmu->base, suspend);
+       return 0;
 }
 
-int
-_nvkm_pmu_init(struct nvkm_object *object)
+static int
+nvkm_pmu_init(struct nvkm_subdev *subdev)
 {
-       const struct nvkm_pmu_impl *impl = (void *)object->oclass;
-       struct nvkm_pmu *pmu = (void *)object;
-       int ret, i;
-
-       ret = nvkm_subdev_init(&pmu->base);
-       if (ret)
-               return ret;
-
-       nv_subdev(pmu)->intr = nvkm_pmu_intr;
-       pmu->message = nvkm_pmu_send;
-       pmu->pgob = nvkm_pmu_pgob;
+       struct nvkm_pmu *pmu = nvkm_pmu(subdev);
+       struct nvkm_device *device = pmu->subdev.device;
+       int i;
 
        /* prevent previous ucode from running, wait for idle, reset */
-       nv_wr32(pmu, 0x10a014, 0x0000ffff); /* INTR_EN_CLR = ALL */
-       nv_wait(pmu, 0x10a04c, 0xffffffff, 0x00000000);
-       nv_mask(pmu, 0x000200, 0x00002000, 0x00000000);
-       nv_mask(pmu, 0x000200, 0x00002000, 0x00002000);
-       nv_rd32(pmu, 0x000200);
-       nv_wait(pmu, 0x10a10c, 0x00000006, 0x00000000);
+       nvkm_wr32(device, 0x10a014, 0x0000ffff); /* INTR_EN_CLR = ALL */
+       nvkm_msec(device, 2000,
+               if (!nvkm_rd32(device, 0x10a04c))
+                       break;
+       );
+       nvkm_mask(device, 0x000200, 0x00002000, 0x00000000);
+       nvkm_mask(device, 0x000200, 0x00002000, 0x00002000);
+       nvkm_rd32(device, 0x000200);
+       nvkm_msec(device, 2000,
+               if (!(nvkm_rd32(device, 0x10a10c) & 0x00000006))
+                       break;
+       );
 
        /* upload data segment */
-       nv_wr32(pmu, 0x10a1c0, 0x01000000);
-       for (i = 0; i < impl->data.size / 4; i++)
-               nv_wr32(pmu, 0x10a1c4, impl->data.data[i]);
+       nvkm_wr32(device, 0x10a1c0, 0x01000000);
+       for (i = 0; i < pmu->func->data.size / 4; i++)
+               nvkm_wr32(device, 0x10a1c4, pmu->func->data.data[i]);
 
        /* upload code segment */
-       nv_wr32(pmu, 0x10a180, 0x01000000);
-       for (i = 0; i < impl->code.size / 4; i++) {
+       nvkm_wr32(device, 0x10a180, 0x01000000);
+       for (i = 0; i < pmu->func->code.size / 4; i++) {
                if ((i & 0x3f) == 0)
-                       nv_wr32(pmu, 0x10a188, i >> 6);
-               nv_wr32(pmu, 0x10a184, impl->code.data[i]);
+                       nvkm_wr32(device, 0x10a188, i >> 6);
+               nvkm_wr32(device, 0x10a184, pmu->func->code.data[i]);
        }
 
        /* start it running */
-       nv_wr32(pmu, 0x10a10c, 0x00000000);
-       nv_wr32(pmu, 0x10a104, 0x00000000);
-       nv_wr32(pmu, 0x10a100, 0x00000002);
+       nvkm_wr32(device, 0x10a10c, 0x00000000);
+       nvkm_wr32(device, 0x10a104, 0x00000000);
+       nvkm_wr32(device, 0x10a100, 0x00000002);
 
        /* wait for valid host->pmu ring configuration */
-       if (!nv_wait_ne(pmu, 0x10a4d0, 0xffffffff, 0x00000000))
+       if (nvkm_msec(device, 2000,
+               if (nvkm_rd32(device, 0x10a4d0))
+                       break;
+       ) < 0)
                return -EBUSY;
-       pmu->send.base = nv_rd32(pmu, 0x10a4d0) & 0x0000ffff;
-       pmu->send.size = nv_rd32(pmu, 0x10a4d0) >> 16;
+       pmu->send.base = nvkm_rd32(device, 0x10a4d0) & 0x0000ffff;
+       pmu->send.size = nvkm_rd32(device, 0x10a4d0) >> 16;
 
        /* wait for valid pmu->host ring configuration */
-       if (!nv_wait_ne(pmu, 0x10a4dc, 0xffffffff, 0x00000000))
+       if (nvkm_msec(device, 2000,
+               if (nvkm_rd32(device, 0x10a4dc))
+                       break;
+       ) < 0)
                return -EBUSY;
-       pmu->recv.base = nv_rd32(pmu, 0x10a4dc) & 0x0000ffff;
-       pmu->recv.size = nv_rd32(pmu, 0x10a4dc) >> 16;
+       pmu->recv.base = nvkm_rd32(device, 0x10a4dc) & 0x0000ffff;
+       pmu->recv.size = nvkm_rd32(device, 0x10a4dc) >> 16;
 
-       nv_wr32(pmu, 0x10a010, 0x000000e0);
+       nvkm_wr32(device, 0x10a010, 0x000000e0);
        return 0;
 }
 
-int
-nvkm_pmu_create_(struct nvkm_object *parent, struct nvkm_object *engine,
-                struct nvkm_oclass *oclass, int length, void **pobject)
+static void *
+nvkm_pmu_dtor(struct nvkm_subdev *subdev)
 {
-       struct nvkm_pmu *pmu;
-       int ret;
-
-       ret = nvkm_subdev_create_(parent, engine, oclass, 0, "PMU",
-                                 "pmu", length, pobject);
-       pmu = *pobject;
-       if (ret)
-               return ret;
-
-       INIT_WORK(&pmu->recv.work, nvkm_pmu_recv);
-       init_waitqueue_head(&pmu->recv.wait);
-       return 0;
+       return nvkm_pmu(subdev);
 }
 
+static const struct nvkm_subdev_func
+nvkm_pmu = {
+       .dtor = nvkm_pmu_dtor,
+       .init = nvkm_pmu_init,
+       .fini = nvkm_pmu_fini,
+       .intr = nvkm_pmu_intr,
+};
+
 int
-_nvkm_pmu_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-              struct nvkm_oclass *oclass, void *data, u32 size,
-              struct nvkm_object **pobject)
+nvkm_pmu_new_(const struct nvkm_pmu_func *func, struct nvkm_device *device,
+             int index, struct nvkm_pmu **ppmu)
 {
        struct nvkm_pmu *pmu;
-       int ret = nvkm_pmu_create(parent, engine, oclass, &pmu);
-       *pobject = nv_object(pmu);
-       return ret;
+       if (!(pmu = *ppmu = kzalloc(sizeof(*pmu), GFP_KERNEL)))
+               return -ENOMEM;
+       nvkm_subdev_ctor(&nvkm_pmu, device, index, 0, &pmu->subdev);
+       pmu->func = func;
+       INIT_WORK(&pmu->recv.work, nvkm_pmu_recv);
+       init_waitqueue_head(&pmu->recv.wait);
+       return 0;
 }