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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c230
1 files changed, 121 insertions, 109 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c
index 054b2d2eec35..27a79c0c3888 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c
@@ -28,21 +28,25 @@
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->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;
}