diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/timer')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/timer/Kbuild | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c | 198 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/timer/gk20a.c | 40 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv04.c | 152 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv40.c | 89 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv41.c | 86 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/timer/priv.h | 27 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/timer/regsnv04.h | 8 |
8 files changed, 606 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/Kbuild new file mode 100644 index 000000000..f710da442 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/Kbuild @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: MIT +nvkm-y += nvkm/subdev/timer/base.o +nvkm-y += nvkm/subdev/timer/nv04.o +nvkm-y += nvkm/subdev/timer/nv40.o +nvkm-y += nvkm/subdev/timer/nv41.o +nvkm-y += nvkm/subdev/timer/gk20a.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c new file mode 100644 index 000000000..8b0da0c06 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c @@ -0,0 +1,198 @@ +/* + * 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" + +s64 +nvkm_timer_wait_test(struct nvkm_timer_wait *wait) +{ + struct nvkm_subdev *subdev = &wait->tmr->subdev; + u64 time = nvkm_timer_read(wait->tmr); + + if (wait->reads == 0) { + wait->time0 = time; + wait->time1 = time; + } + + if (wait->time1 == time) { + if (wait->reads++ == 16) { + nvkm_fatal(subdev, "stalled at %016llx\n", time); + return -ETIMEDOUT; + } + } else { + wait->time1 = time; + wait->reads = 1; + } + + if (wait->time1 - wait->time0 > wait->limit) + return -ETIMEDOUT; + + return wait->time1 - wait->time0; +} + +void +nvkm_timer_wait_init(struct nvkm_device *device, u64 nsec, + struct nvkm_timer_wait *wait) +{ + wait->tmr = device->timer; + wait->limit = nsec; + wait->reads = 0; +} + +u64 +nvkm_timer_read(struct nvkm_timer *tmr) +{ + return tmr->func->read(tmr); +} + +void +nvkm_timer_alarm_trigger(struct nvkm_timer *tmr) +{ + struct nvkm_alarm *alarm, *atemp; + unsigned long flags; + LIST_HEAD(exec); + + /* Process pending alarms. */ + spin_lock_irqsave(&tmr->lock, flags); + list_for_each_entry_safe(alarm, atemp, &tmr->alarms, head) { + /* Have we hit the earliest alarm that hasn't gone off? */ + if (alarm->timestamp > nvkm_timer_read(tmr)) { + /* Schedule it. If we didn't race, we're done. */ + tmr->func->alarm_init(tmr, alarm->timestamp); + if (alarm->timestamp > nvkm_timer_read(tmr)) + break; + } + + /* Move to completed list. We'll drop the lock before + * executing the callback so it can reschedule itself. + */ + list_del_init(&alarm->head); + list_add(&alarm->exec, &exec); + } + + /* Shut down interrupt if no more pending alarms. */ + if (list_empty(&tmr->alarms)) + tmr->func->alarm_fini(tmr); + spin_unlock_irqrestore(&tmr->lock, flags); + + /* Execute completed callbacks. */ + list_for_each_entry_safe(alarm, atemp, &exec, exec) { + list_del(&alarm->exec); + alarm->func(alarm); + } +} + +void +nvkm_timer_alarm(struct nvkm_timer *tmr, u32 nsec, struct nvkm_alarm *alarm) +{ + struct nvkm_alarm *list; + unsigned long flags; + + /* Remove alarm from pending list. + * + * This both protects against the corruption of the list, + * and implements alarm rescheduling/cancellation. + */ + spin_lock_irqsave(&tmr->lock, flags); + list_del_init(&alarm->head); + + if (nsec) { + /* Insert into pending list, ordered earliest to latest. */ + alarm->timestamp = nvkm_timer_read(tmr) + nsec; + list_for_each_entry(list, &tmr->alarms, head) { + if (list->timestamp > alarm->timestamp) + break; + } + + list_add_tail(&alarm->head, &list->head); + + /* Update HW if this is now the earliest alarm. */ + list = list_first_entry(&tmr->alarms, typeof(*list), head); + if (list == alarm) { + tmr->func->alarm_init(tmr, alarm->timestamp); + /* This shouldn't happen if callers aren't stupid. + * + * Worst case scenario is that it'll take roughly + * 4 seconds for the next alarm to trigger. + */ + WARN_ON(alarm->timestamp <= nvkm_timer_read(tmr)); + } + } + spin_unlock_irqrestore(&tmr->lock, flags); +} + +static void +nvkm_timer_intr(struct nvkm_subdev *subdev) +{ + struct nvkm_timer *tmr = nvkm_timer(subdev); + tmr->func->intr(tmr); +} + +static int +nvkm_timer_fini(struct nvkm_subdev *subdev, bool suspend) +{ + struct nvkm_timer *tmr = nvkm_timer(subdev); + tmr->func->alarm_fini(tmr); + return 0; +} + +static int +nvkm_timer_init(struct nvkm_subdev *subdev) +{ + struct nvkm_timer *tmr = nvkm_timer(subdev); + if (tmr->func->init) + tmr->func->init(tmr); + tmr->func->time(tmr, ktime_to_ns(ktime_get())); + nvkm_timer_alarm_trigger(tmr); + return 0; +} + +static void * +nvkm_timer_dtor(struct nvkm_subdev *subdev) +{ + return nvkm_timer(subdev); +} + +static const struct nvkm_subdev_func +nvkm_timer = { + .dtor = nvkm_timer_dtor, + .init = nvkm_timer_init, + .fini = nvkm_timer_fini, + .intr = nvkm_timer_intr, +}; + +int +nvkm_timer_new_(const struct nvkm_timer_func *func, struct nvkm_device *device, + enum nvkm_subdev_type type, int inst, struct nvkm_timer **ptmr) +{ + struct nvkm_timer *tmr; + + if (!(tmr = *ptmr = kzalloc(sizeof(*tmr), GFP_KERNEL))) + return -ENOMEM; + + nvkm_subdev_ctor(&nvkm_timer, device, type, inst, &tmr->subdev); + tmr->func = func; + INIT_LIST_HEAD(&tmr->alarms); + spin_lock_init(&tmr->lock); + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/gk20a.c new file mode 100644 index 000000000..73c3776b6 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/gk20a.c @@ -0,0 +1,40 @@ +/* + * 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" + +static const struct nvkm_timer_func +gk20a_timer = { + .intr = nv04_timer_intr, + .read = nv04_timer_read, + .time = nv04_timer_time, + .alarm_init = nv04_timer_alarm_init, + .alarm_fini = nv04_timer_alarm_fini, +}; + +int +gk20a_timer_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_timer **ptmr) +{ + return nvkm_timer_new_(&gk20a_timer, device, type, inst, ptmr); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv04.c new file mode 100644 index 000000000..0058e856b --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv04.c @@ -0,0 +1,152 @@ +/* + * 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 "regsnv04.h" + +void +nv04_timer_time(struct nvkm_timer *tmr, u64 time) +{ + struct nvkm_subdev *subdev = &tmr->subdev; + struct nvkm_device *device = subdev->device; + u32 hi = upper_32_bits(time); + u32 lo = lower_32_bits(time); + + nvkm_debug(subdev, "time low : %08x\n", lo); + nvkm_debug(subdev, "time high : %08x\n", hi); + + nvkm_wr32(device, NV04_PTIMER_TIME_1, hi); + nvkm_wr32(device, NV04_PTIMER_TIME_0, lo); +} + +u64 +nv04_timer_read(struct nvkm_timer *tmr) +{ + struct nvkm_device *device = tmr->subdev.device; + u32 hi, lo; + + do { + hi = nvkm_rd32(device, NV04_PTIMER_TIME_1); + lo = nvkm_rd32(device, NV04_PTIMER_TIME_0); + } while (hi != nvkm_rd32(device, NV04_PTIMER_TIME_1)); + + return ((u64)hi << 32 | lo); +} + +void +nv04_timer_alarm_fini(struct nvkm_timer *tmr) +{ + struct nvkm_device *device = tmr->subdev.device; + nvkm_wr32(device, NV04_PTIMER_INTR_EN_0, 0x00000000); +} + +void +nv04_timer_alarm_init(struct nvkm_timer *tmr, u32 time) +{ + struct nvkm_device *device = tmr->subdev.device; + nvkm_wr32(device, NV04_PTIMER_ALARM_0, time); + nvkm_wr32(device, NV04_PTIMER_INTR_EN_0, 0x00000001); +} + +void +nv04_timer_intr(struct nvkm_timer *tmr) +{ + struct nvkm_subdev *subdev = &tmr->subdev; + struct nvkm_device *device = subdev->device; + u32 stat = nvkm_rd32(device, NV04_PTIMER_INTR_0); + + if (stat & 0x00000001) { + nvkm_wr32(device, NV04_PTIMER_INTR_0, 0x00000001); + nvkm_timer_alarm_trigger(tmr); + stat &= ~0x00000001; + } + + if (stat) { + nvkm_error(subdev, "intr %08x\n", stat); + nvkm_wr32(device, NV04_PTIMER_INTR_0, stat); + } +} + +static void +nv04_timer_init(struct nvkm_timer *tmr) +{ + struct nvkm_subdev *subdev = &tmr->subdev; + struct nvkm_device *device = subdev->device; + u32 f = 0; /*XXX: nvclk */ + u32 n, d; + + /* aim for 31.25MHz, which gives us nanosecond timestamps */ + d = 1000000 / 32; + n = f; + + if (!f) { + n = nvkm_rd32(device, NV04_PTIMER_NUMERATOR); + d = nvkm_rd32(device, NV04_PTIMER_DENOMINATOR); + if (!n || !d) { + n = 1; + d = 1; + } + nvkm_warn(subdev, "unknown input clock freq\n"); + } + + /* reduce ratio to acceptable values */ + while (((n % 5) == 0) && ((d % 5) == 0)) { + n /= 5; + d /= 5; + } + + while (((n % 2) == 0) && ((d % 2) == 0)) { + n /= 2; + d /= 2; + } + + while (n > 0xffff || d > 0xffff) { + n >>= 1; + d >>= 1; + } + + nvkm_debug(subdev, "input frequency : %dHz\n", f); + nvkm_debug(subdev, "numerator : %08x\n", n); + nvkm_debug(subdev, "denominator : %08x\n", d); + nvkm_debug(subdev, "timer frequency : %dHz\n", f * d / n); + + nvkm_wr32(device, NV04_PTIMER_NUMERATOR, n); + nvkm_wr32(device, NV04_PTIMER_DENOMINATOR, d); +} + +static const struct nvkm_timer_func +nv04_timer = { + .init = nv04_timer_init, + .intr = nv04_timer_intr, + .read = nv04_timer_read, + .time = nv04_timer_time, + .alarm_init = nv04_timer_alarm_init, + .alarm_fini = nv04_timer_alarm_fini, +}; + +int +nv04_timer_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_timer **ptmr) +{ + return nvkm_timer_new_(&nv04_timer, device, type, inst, ptmr); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv40.c b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv40.c new file mode 100644 index 000000000..7e1f8c22f --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv40.c @@ -0,0 +1,89 @@ +/* + * 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 "regsnv04.h" + +static void +nv40_timer_init(struct nvkm_timer *tmr) +{ + struct nvkm_subdev *subdev = &tmr->subdev; + struct nvkm_device *device = subdev->device; + u32 f = 0; /*XXX: figure this out */ + u32 n, d; + + /* aim for 31.25MHz, which gives us nanosecond timestamps */ + d = 1000000 / 32; + n = f; + + if (!f) { + n = nvkm_rd32(device, NV04_PTIMER_NUMERATOR); + d = nvkm_rd32(device, NV04_PTIMER_DENOMINATOR); + if (!n || !d) { + n = 1; + d = 1; + } + nvkm_warn(subdev, "unknown input clock freq\n"); + } + + /* reduce ratio to acceptable values */ + while (((n % 5) == 0) && ((d % 5) == 0)) { + n /= 5; + d /= 5; + } + + while (((n % 2) == 0) && ((d % 2) == 0)) { + n /= 2; + d /= 2; + } + + while (n > 0xffff || d > 0xffff) { + n >>= 1; + d >>= 1; + } + + nvkm_debug(subdev, "input frequency : %dHz\n", f); + nvkm_debug(subdev, "numerator : %08x\n", n); + nvkm_debug(subdev, "denominator : %08x\n", d); + nvkm_debug(subdev, "timer frequency : %dHz\n", f * d / n); + + nvkm_wr32(device, NV04_PTIMER_NUMERATOR, n); + nvkm_wr32(device, NV04_PTIMER_DENOMINATOR, d); +} + +static const struct nvkm_timer_func +nv40_timer = { + .init = nv40_timer_init, + .intr = nv04_timer_intr, + .read = nv04_timer_read, + .time = nv04_timer_time, + .alarm_init = nv04_timer_alarm_init, + .alarm_fini = nv04_timer_alarm_fini, +}; + +int +nv40_timer_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_timer **ptmr) +{ + return nvkm_timer_new_(&nv40_timer, device, type, inst, ptmr); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv41.c b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv41.c new file mode 100644 index 000000000..c2b263721 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv41.c @@ -0,0 +1,86 @@ +/* + * 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 "regsnv04.h" + +static void +nv41_timer_init(struct nvkm_timer *tmr) +{ + struct nvkm_subdev *subdev = &tmr->subdev; + struct nvkm_device *device = subdev->device; + u32 f = device->crystal; + u32 m = 1, n, d; + + /* aim for 31.25MHz, which gives us nanosecond timestamps */ + d = 1000000 / 32; + n = f; + + while (n < (d * 2)) { + n += (n / m); + m++; + } + + /* reduce ratio to acceptable values */ + while (((n % 5) == 0) && ((d % 5) == 0)) { + n /= 5; + d /= 5; + } + + while (((n % 2) == 0) && ((d % 2) == 0)) { + n /= 2; + d /= 2; + } + + while (n > 0xffff || d > 0xffff) { + n >>= 1; + d >>= 1; + } + + nvkm_debug(subdev, "input frequency : %dHz\n", f); + nvkm_debug(subdev, "input multiplier: %d\n", m); + nvkm_debug(subdev, "numerator : %08x\n", n); + nvkm_debug(subdev, "denominator : %08x\n", d); + nvkm_debug(subdev, "timer frequency : %dHz\n", (f * m) * d / n); + + nvkm_wr32(device, 0x009220, m - 1); + nvkm_wr32(device, NV04_PTIMER_NUMERATOR, n); + nvkm_wr32(device, NV04_PTIMER_DENOMINATOR, d); +} + +static const struct nvkm_timer_func +nv41_timer = { + .init = nv41_timer_init, + .intr = nv04_timer_intr, + .read = nv04_timer_read, + .time = nv04_timer_time, + .alarm_init = nv04_timer_alarm_init, + .alarm_fini = nv04_timer_alarm_fini, +}; + +int +nv41_timer_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_timer **ptmr) +{ + return nvkm_timer_new_(&nv41_timer, device, type, inst, ptmr); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/priv.h new file mode 100644 index 000000000..e6debe7e2 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/priv.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: MIT */ +#ifndef __NVKM_TIMER_PRIV_H__ +#define __NVKM_TIMER_PRIV_H__ +#define nvkm_timer(p) container_of((p), struct nvkm_timer, subdev) +#include <subdev/timer.h> + +int nvkm_timer_new_(const struct nvkm_timer_func *, struct nvkm_device *, enum nvkm_subdev_type, + int, struct nvkm_timer **); + +struct nvkm_timer_func { + void (*init)(struct nvkm_timer *); + void (*intr)(struct nvkm_timer *); + u64 (*read)(struct nvkm_timer *); + void (*time)(struct nvkm_timer *, u64 time); + void (*alarm_init)(struct nvkm_timer *, u32 time); + void (*alarm_fini)(struct nvkm_timer *); +}; + +void nvkm_timer_alarm_trigger(struct nvkm_timer *); + +void nv04_timer_fini(struct nvkm_timer *); +void nv04_timer_intr(struct nvkm_timer *); +void nv04_timer_time(struct nvkm_timer *, u64); +u64 nv04_timer_read(struct nvkm_timer *); +void nv04_timer_alarm_init(struct nvkm_timer *, u32); +void nv04_timer_alarm_fini(struct nvkm_timer *); +#endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/regsnv04.h b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/regsnv04.h new file mode 100644 index 000000000..34a740bc6 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/regsnv04.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: MIT */ +#define NV04_PTIMER_INTR_0 0x009100 +#define NV04_PTIMER_INTR_EN_0 0x009140 +#define NV04_PTIMER_NUMERATOR 0x009200 +#define NV04_PTIMER_DENOMINATOR 0x009210 +#define NV04_PTIMER_TIME_0 0x009400 +#define NV04_PTIMER_TIME_1 0x009410 +#define NV04_PTIMER_ALARM_0 0x009420 |