pmu->func->pgob(pmu, enable);
}
-int
-nvkm_pmu_send(struct nvkm_pmu *pmu, u32 reply[2],
- u32 process, u32 message, u32 data0, u32 data1)
-{
- struct nvkm_subdev *subdev = &pmu->subdev;
- struct nvkm_device *device = subdev->device;
- u32 addr;
-
- mutex_lock(&subdev->mutex);
- /* wait for a free slot in the fifo */
- addr = nvkm_rd32(device, 0x10a4a0);
- if (nvkm_msec(device, 2000,
- u32 tmp = nvkm_rd32(device, 0x10a4b0);
- if (tmp != (addr ^ 8))
- break;
- ) < 0) {
- mutex_unlock(&subdev->mutex);
- return -EBUSY;
- }
-
- /* we currently only support a single process at a time waiting
- * on a synchronous reply, take the PMU mutex and tell the
- * receive handler what we're waiting for
- */
- if (reply) {
- pmu->recv.message = message;
- pmu->recv.process = process;
- }
-
- /* acquire data segment access */
- do {
- nvkm_wr32(device, 0x10a580, 0x00000001);
- } while (nvkm_rd32(device, 0x10a580) != 0x00000001);
-
- /* write the packet */
- nvkm_wr32(device, 0x10a1c0, 0x01000000 | (((addr & 0x07) << 4) +
- pmu->send.base));
- 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 */
- nvkm_wr32(device, 0x10a580, 0x00000000);
-
- /* wait for reply, if requested */
- if (reply) {
- wait_event(pmu->recv.wait, (pmu->recv.process == 0));
- reply[0] = pmu->recv.data[0];
- reply[1] = pmu->recv.data[1];
- }
-
- mutex_unlock(&subdev->mutex);
- return 0;
-}
-
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 = nvkm_rd32(device, 0x10a4cc);
- if (addr == nvkm_rd32(device, 0x10a4c8))
- return;
-
- /* acquire data segment access */
- do {
- nvkm_wr32(device, 0x10a580, 0x00000002);
- } while (nvkm_rd32(device, 0x10a580) != 0x00000002);
-
- /* read the packet */
- nvkm_wr32(device, 0x10a1c0, 0x02000000 | (((addr & 0x07) << 4) +
- pmu->recv.base));
- 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 */
- nvkm_wr32(device, 0x10a580, 0x00000000);
-
- /* wake process if it's waiting on a synchronous reply */
- if (pmu->recv.process) {
- if (process == pmu->recv.process &&
- message == pmu->recv.message) {
- pmu->recv.data[0] = data0;
- pmu->recv.data[1] = data1;
- pmu->recv.process = 0;
- wake_up(&pmu->recv.wait);
- return;
- }
- }
+ struct nvkm_pmu *pmu = container_of(work, typeof(*pmu), recv.work);
+ return pmu->func->recv(pmu);
+}
- /* right now there's no other expected responses from the engine,
- * so assume that any unexpected message is an error.
- */
- 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);
+int
+nvkm_pmu_send(struct nvkm_pmu *pmu, u32 reply[2],
+ u32 process, u32 message, u32 data0, u32 data1)
+{
+ if (!pmu || !pmu->func->send)
+ return -ENODEV;
+ return pmu->func->send(pmu, reply, process, message, data0, data1);
}
static void
nvkm_pmu_intr(struct nvkm_subdev *subdev)
{
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 = nvkm_rd32(device, 0x10a16c);
- if (stat & 0x80000000) {
- 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);
- nvkm_wr32(device, 0x10a004, 0x00000040);
- intr &= ~0x00000040;
- }
-
- if (intr & 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) {
- nvkm_error(subdev, "intr %08x\n", intr);
- nvkm_wr32(device, 0x10a004, intr);
- }
+ if (!pmu->func->intr)
+ return;
+ pmu->func->intr(pmu);
}
static int
nvkm_pmu_fini(struct nvkm_subdev *subdev, bool suspend)
{
struct nvkm_pmu *pmu = nvkm_pmu(subdev);
- struct nvkm_device *device = pmu->subdev.device;
- nvkm_wr32(device, 0x10a014, 0x00000060);
+ if (pmu->func->fini)
+ pmu->func->fini(pmu);
+
flush_work(&pmu->recv.work);
return 0;
}
static int
-nvkm_pmu_init(struct nvkm_subdev *subdev)
+nvkm_pmu_reset(struct nvkm_pmu *pmu)
{
- 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 */
- nvkm_wr32(device, 0x10a014, 0x0000ffff); /* INTR_EN_CLR = ALL */
+ if (!(nvkm_rd32(device, 0x000200) & 0x00002000))
+ return 0;
+
+ /* Inhibit interrupts, and wait for idle. */
+ nvkm_wr32(device, 0x10a014, 0x0000ffff);
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);
+
+ /* Reset. */
+ pmu->func->reset(pmu);
+
+ /* Wait for IMEM/DMEM scrubbing to be complete. */
nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x10a10c) & 0x00000006))
break;
);
- /* upload data segment */
- 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 */
- nvkm_wr32(device, 0x10a180, 0x01000000);
- for (i = 0; i < pmu->func->code.size / 4; i++) {
- if ((i & 0x3f) == 0)
- nvkm_wr32(device, 0x10a188, i >> 6);
- nvkm_wr32(device, 0x10a184, pmu->func->code.data[i]);
- }
-
- /* start it running */
- nvkm_wr32(device, 0x10a10c, 0x00000000);
- nvkm_wr32(device, 0x10a104, 0x00000000);
- nvkm_wr32(device, 0x10a100, 0x00000002);
-
- /* wait for valid host->pmu ring configuration */
- if (nvkm_msec(device, 2000,
- if (nvkm_rd32(device, 0x10a4d0))
- break;
- ) < 0)
- return -EBUSY;
- pmu->send.base = nvkm_rd32(device, 0x10a4d0) & 0x0000ffff;
- pmu->send.size = nvkm_rd32(device, 0x10a4d0) >> 16;
-
- /* wait for valid pmu->host ring configuration */
- if (nvkm_msec(device, 2000,
- if (nvkm_rd32(device, 0x10a4dc))
- break;
- ) < 0)
- return -EBUSY;
- pmu->recv.base = nvkm_rd32(device, 0x10a4dc) & 0x0000ffff;
- pmu->recv.size = nvkm_rd32(device, 0x10a4dc) >> 16;
-
- nvkm_wr32(device, 0x10a010, 0x000000e0);
return 0;
}
+static int
+nvkm_pmu_init(struct nvkm_subdev *subdev)
+{
+ struct nvkm_pmu *pmu = nvkm_pmu(subdev);
+ int ret = nvkm_pmu_reset(pmu);
+ if (ret == 0 && pmu->func->init)
+ ret = pmu->func->init(pmu);
+ return ret;
+}
+
static void *
nvkm_pmu_dtor(struct nvkm_subdev *subdev)
{
.code.size = sizeof(gf100_pmu_code),
.data.data = gf100_pmu_data,
.data.size = sizeof(gf100_pmu_data),
+ .reset = gt215_pmu_reset,
+ .init = gt215_pmu_init,
+ .fini = gt215_pmu_fini,
+ .intr = gt215_pmu_intr,
+ .send = gt215_pmu_send,
+ .recv = gt215_pmu_recv,
};
int
.code.size = sizeof(gf119_pmu_code),
.data.data = gf119_pmu_data,
.data.size = sizeof(gf119_pmu_data),
+ .reset = gt215_pmu_reset,
+ .init = gt215_pmu_init,
+ .fini = gt215_pmu_fini,
+ .intr = gt215_pmu_intr,
+ .send = gt215_pmu_send,
+ .recv = gt215_pmu_recv,
};
int
.code.size = sizeof(gk104_pmu_code),
.data.data = gk104_pmu_data,
.data.size = sizeof(gk104_pmu_data),
+ .reset = gt215_pmu_reset,
+ .init = gt215_pmu_init,
+ .fini = gt215_pmu_fini,
+ .intr = gt215_pmu_intr,
+ .send = gt215_pmu_send,
+ .recv = gt215_pmu_recv,
.pgob = gk104_pmu_pgob,
};
.code.size = sizeof(gk110_pmu_code),
.data.data = gk110_pmu_data,
.data.size = sizeof(gk110_pmu_data),
+ .reset = gt215_pmu_reset,
+ .init = gt215_pmu_init,
+ .fini = gt215_pmu_fini,
+ .intr = gt215_pmu_intr,
+ .send = gt215_pmu_send,
+ .recv = gt215_pmu_recv,
.pgob = gk110_pmu_pgob,
};
.code.size = sizeof(gk208_pmu_code),
.data.data = gk208_pmu_data,
.data.size = sizeof(gk208_pmu_data),
+ .reset = gt215_pmu_reset,
+ .init = gt215_pmu_init,
+ .fini = gt215_pmu_fini,
+ .intr = gt215_pmu_intr,
+ .send = gt215_pmu_send,
+ .recv = gt215_pmu_recv,
.pgob = gk110_pmu_pgob,
};
.code.size = sizeof(gm107_pmu_code),
.data.data = gm107_pmu_data,
.data.size = sizeof(gm107_pmu_data),
+ .reset = gt215_pmu_reset,
+ .init = gt215_pmu_init,
+ .fini = gt215_pmu_fini,
+ .intr = gt215_pmu_intr,
+ .send = gt215_pmu_send,
+ .recv = gt215_pmu_recv,
};
int
#include "priv.h"
#include "fuc/gt215.fuc3.h"
+#include <subdev/timer.h>
+
+int
+gt215_pmu_send(struct nvkm_pmu *pmu, u32 reply[2],
+ u32 process, u32 message, u32 data0, u32 data1)
+{
+ struct nvkm_subdev *subdev = &pmu->subdev;
+ struct nvkm_device *device = subdev->device;
+ u32 addr;
+
+ mutex_lock(&subdev->mutex);
+ /* wait for a free slot in the fifo */
+ addr = nvkm_rd32(device, 0x10a4a0);
+ if (nvkm_msec(device, 2000,
+ u32 tmp = nvkm_rd32(device, 0x10a4b0);
+ if (tmp != (addr ^ 8))
+ break;
+ ) < 0) {
+ mutex_unlock(&subdev->mutex);
+ return -EBUSY;
+ }
+
+ /* we currently only support a single process at a time waiting
+ * on a synchronous reply, take the PMU mutex and tell the
+ * receive handler what we're waiting for
+ */
+ if (reply) {
+ pmu->recv.message = message;
+ pmu->recv.process = process;
+ }
+
+ /* acquire data segment access */
+ do {
+ nvkm_wr32(device, 0x10a580, 0x00000001);
+ } while (nvkm_rd32(device, 0x10a580) != 0x00000001);
+
+ /* write the packet */
+ nvkm_wr32(device, 0x10a1c0, 0x01000000 | (((addr & 0x07) << 4) +
+ pmu->send.base));
+ 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 */
+ nvkm_wr32(device, 0x10a580, 0x00000000);
+
+ /* wait for reply, if requested */
+ if (reply) {
+ wait_event(pmu->recv.wait, (pmu->recv.process == 0));
+ reply[0] = pmu->recv.data[0];
+ reply[1] = pmu->recv.data[1];
+ }
+
+ mutex_unlock(&subdev->mutex);
+ return 0;
+}
+
+void
+gt215_pmu_recv(struct nvkm_pmu *pmu)
+{
+ 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 = nvkm_rd32(device, 0x10a4cc);
+ if (addr == nvkm_rd32(device, 0x10a4c8))
+ return;
+
+ /* acquire data segment access */
+ do {
+ nvkm_wr32(device, 0x10a580, 0x00000002);
+ } while (nvkm_rd32(device, 0x10a580) != 0x00000002);
+
+ /* read the packet */
+ nvkm_wr32(device, 0x10a1c0, 0x02000000 | (((addr & 0x07) << 4) +
+ pmu->recv.base));
+ 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 */
+ nvkm_wr32(device, 0x10a580, 0x00000000);
+
+ /* wake process if it's waiting on a synchronous reply */
+ if (pmu->recv.process) {
+ if (process == pmu->recv.process &&
+ message == pmu->recv.message) {
+ pmu->recv.data[0] = data0;
+ pmu->recv.data[1] = data1;
+ pmu->recv.process = 0;
+ wake_up(&pmu->recv.wait);
+ return;
+ }
+ }
+
+ /* right now there's no other expected responses from the engine,
+ * so assume that any unexpected message is an error.
+ */
+ 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);
+}
+
+void
+gt215_pmu_intr(struct nvkm_pmu *pmu)
+{
+ struct nvkm_subdev *subdev = &pmu->subdev;
+ struct nvkm_device *device = subdev->device;
+ u32 disp = nvkm_rd32(device, 0x10a01c);
+ u32 intr = nvkm_rd32(device, 0x10a008) & disp & ~(disp >> 16);
+
+ if (intr & 0x00000020) {
+ u32 stat = nvkm_rd32(device, 0x10a16c);
+ if (stat & 0x80000000) {
+ 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);
+ nvkm_wr32(device, 0x10a004, 0x00000040);
+ intr &= ~0x00000040;
+ }
+
+ if (intr & 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) {
+ nvkm_error(subdev, "intr %08x\n", intr);
+ nvkm_wr32(device, 0x10a004, intr);
+ }
+}
+
+void
+gt215_pmu_fini(struct nvkm_pmu *pmu)
+{
+ nvkm_wr32(pmu->subdev.device, 0x10a014, 0x00000060);
+}
+
+void
+gt215_pmu_reset(struct nvkm_pmu *pmu)
+{
+ struct nvkm_device *device = pmu->subdev.device;
+ nvkm_mask(device, 0x000200, 0x00002000, 0x00000000);
+ nvkm_mask(device, 0x000200, 0x00002000, 0x00002000);
+ nvkm_rd32(device, 0x000200);
+}
+
+int
+gt215_pmu_init(struct nvkm_pmu *pmu)
+{
+ struct nvkm_device *device = pmu->subdev.device;
+ int i;
+
+ /* upload data segment */
+ 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 */
+ nvkm_wr32(device, 0x10a180, 0x01000000);
+ for (i = 0; i < pmu->func->code.size / 4; i++) {
+ if ((i & 0x3f) == 0)
+ nvkm_wr32(device, 0x10a188, i >> 6);
+ nvkm_wr32(device, 0x10a184, pmu->func->code.data[i]);
+ }
+
+ /* start it running */
+ nvkm_wr32(device, 0x10a10c, 0x00000000);
+ nvkm_wr32(device, 0x10a104, 0x00000000);
+ nvkm_wr32(device, 0x10a100, 0x00000002);
+
+ /* wait for valid host->pmu ring configuration */
+ if (nvkm_msec(device, 2000,
+ if (nvkm_rd32(device, 0x10a4d0))
+ break;
+ ) < 0)
+ return -EBUSY;
+ pmu->send.base = nvkm_rd32(device, 0x10a4d0) & 0x0000ffff;
+ pmu->send.size = nvkm_rd32(device, 0x10a4d0) >> 16;
+
+ /* wait for valid pmu->host ring configuration */
+ if (nvkm_msec(device, 2000,
+ if (nvkm_rd32(device, 0x10a4dc))
+ break;
+ ) < 0)
+ return -EBUSY;
+ pmu->recv.base = nvkm_rd32(device, 0x10a4dc) & 0x0000ffff;
+ pmu->recv.size = nvkm_rd32(device, 0x10a4dc) >> 16;
+
+ nvkm_wr32(device, 0x10a010, 0x000000e0);
+ return 0;
+}
+
static const struct nvkm_pmu_func
gt215_pmu = {
.code.data = gt215_pmu_code,
.code.size = sizeof(gt215_pmu_code),
.data.data = gt215_pmu_data,
.data.size = sizeof(gt215_pmu_data),
+ .reset = gt215_pmu_reset,
+ .init = gt215_pmu_init,
+ .fini = gt215_pmu_fini,
+ .intr = gt215_pmu_intr,
+ .send = gt215_pmu_send,
+ .recv = gt215_pmu_recv,
};
int
u32 size;
} data;
+ void (*reset)(struct nvkm_pmu *);
+ int (*init)(struct nvkm_pmu *);
+ void (*fini)(struct nvkm_pmu *);
+ void (*intr)(struct nvkm_pmu *);
+ int (*send)(struct nvkm_pmu *, u32 reply[2], u32 process,
+ u32 message, u32 data0, u32 data1);
+ void (*recv)(struct nvkm_pmu *);
void (*pgob)(struct nvkm_pmu *, bool);
};
+void gt215_pmu_reset(struct nvkm_pmu *);
+int gt215_pmu_init(struct nvkm_pmu *);
+void gt215_pmu_fini(struct nvkm_pmu *);
+void gt215_pmu_intr(struct nvkm_pmu *);
+void gt215_pmu_recv(struct nvkm_pmu *);
+int gt215_pmu_send(struct nvkm_pmu *, u32[2], u32, u32, u32, u32);
+
void gk110_pmu_pgob(struct nvkm_pmu *, bool);
#endif
projects / platform / kernel / linux-exynos.git / commitdiff