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author | Ben Skeggs <bskeggs@redhat.com> | 2015-08-20 14:54:16 +1000 |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2015-08-28 12:40:34 +1000 |
commit | f0290215c44370ff5d55c01a13dc5a44a1f86efa (patch) | |
tree | 1ca4e8c4d8d6fda268eaf040d7b3576156a71f99 /drivers/gpu/drm/nouveau/nvkm/core/subdev.c | |
parent | drm/nouveau/object: implement support for new-style nvkm_object (diff) | |
download | linux-dev-f0290215c44370ff5d55c01a13dc5a44a1f86efa.tar.xz linux-dev-f0290215c44370ff5d55c01a13dc5a44a1f86efa.zip |
drm/nouveau/subdev: implement support for new-style nvkm_subdev
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/core/subdev.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/core/subdev.c | 189 |
1 files changed, 185 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c index 9e9e0cadaefc..5af13d8be2f5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c @@ -25,6 +25,186 @@ #include <core/device.h> #include <core/option.h> +static struct lock_class_key nvkm_subdev_lock_class[NVDEV_SUBDEV_NR]; + +const char * +nvkm_subdev_name[64] = { + [NVDEV_SUBDEV_BAR ] = "bar", + [NVDEV_SUBDEV_VBIOS ] = "bios", + [NVDEV_SUBDEV_BUS ] = "bus", + [NVDEV_SUBDEV_CLK ] = "clk", + [NVDEV_SUBDEV_DEVINIT] = "devinit", + [NVDEV_SUBDEV_FB ] = "fb", + [NVDEV_SUBDEV_FUSE ] = "fuse", + [NVDEV_SUBDEV_GPIO ] = "gpio", + [NVDEV_SUBDEV_I2C ] = "i2c", + [NVDEV_SUBDEV_IBUS ] = "priv", + [NVDEV_SUBDEV_INSTMEM] = "imem", + [NVDEV_SUBDEV_LTC ] = "ltc", + [NVDEV_SUBDEV_MC ] = "mc", + [NVDEV_SUBDEV_MMU ] = "mmu", + [NVDEV_SUBDEV_MXM ] = "mxm", + [NVDEV_SUBDEV_PMU ] = "pmu", + [NVDEV_SUBDEV_THERM ] = "therm", + [NVDEV_SUBDEV_TIMER ] = "tmr", + [NVDEV_SUBDEV_VOLT ] = "volt", + [NVDEV_ENGINE_BSP ] = "bsp", + [NVDEV_ENGINE_CE0 ] = "ce0", + [NVDEV_ENGINE_CE1 ] = "ce1", + [NVDEV_ENGINE_CE2 ] = "ce2", + [NVDEV_ENGINE_CIPHER ] = "cipher", + [NVDEV_ENGINE_DISP ] = "disp", + [NVDEV_ENGINE_DMAOBJ ] = "dma", + [NVDEV_ENGINE_FIFO ] = "fifo", + [NVDEV_ENGINE_GR ] = "gr", + [NVDEV_ENGINE_IFB ] = "ifb", + [NVDEV_ENGINE_ME ] = "me", + [NVDEV_ENGINE_MPEG ] = "mpeg", + [NVDEV_ENGINE_MSENC ] = "msenc", + [NVDEV_ENGINE_MSPDEC ] = "mspdec", + [NVDEV_ENGINE_MSPPP ] = "msppp", + [NVDEV_ENGINE_MSVLD ] = "msvld", + [NVDEV_ENGINE_PM ] = "pm", + [NVDEV_ENGINE_SEC ] = "sec", + [NVDEV_ENGINE_SW ] = "sw", + [NVDEV_ENGINE_VIC ] = "vic", + [NVDEV_ENGINE_VP ] = "vp", +}; + +void +nvkm_subdev_intr(struct nvkm_subdev *subdev) +{ + if (subdev->func->intr) + subdev->func->intr(subdev); +} + +int +nvkm_subdev_fini(struct nvkm_subdev *subdev, bool suspend) +{ + struct nvkm_device *device = subdev->device; + const char *action = suspend ? "suspend" : "fini"; + u32 pmc_enable = subdev->pmc_enable; + s64 time; + + nvkm_trace(subdev, "%s running...\n", action); + time = ktime_to_us(ktime_get()); + + if (subdev->func->fini) { + int ret = subdev->func->fini(subdev, suspend); + if (ret) { + nvkm_error(subdev, "%s failed, %d\n", action, ret); + if (suspend) + return ret; + } + } + + if (pmc_enable) { + nvkm_mask(device, 0x000200, pmc_enable, 0x00000000); + nvkm_mask(device, 0x000200, pmc_enable, pmc_enable); + nvkm_rd32(device, 0x000200); + } + + time = ktime_to_us(ktime_get()) - time; + nvkm_trace(subdev, "%s completed in %lldus\n", action, time); + return 0; +} + +int +nvkm_subdev_preinit(struct nvkm_subdev *subdev) +{ + s64 time; + + nvkm_trace(subdev, "preinit running...\n"); + time = ktime_to_us(ktime_get()); + + if (subdev->func->preinit) { + int ret = subdev->func->preinit(subdev); + if (ret) { + nvkm_error(subdev, "preinit failed, %d\n", ret); + return ret; + } + } + + time = ktime_to_us(ktime_get()) - time; + nvkm_trace(subdev, "preinit completed in %lldus\n", time); + return 0; +} + +int +nvkm_subdev_init(struct nvkm_subdev *subdev) +{ + s64 time; + int ret; + + nvkm_trace(subdev, "init running...\n"); + time = ktime_to_us(ktime_get()); + + if (subdev->func->oneinit && !subdev->oneinit) { + s64 time; + nvkm_trace(subdev, "one-time init running...\n"); + time = ktime_to_us(ktime_get()); + ret = subdev->func->oneinit(subdev); + if (ret) { + nvkm_error(subdev, "one-time init failed, %d\n", ret); + return ret; + } + + subdev->oneinit = true; + time = ktime_to_us(ktime_get()) - time; + nvkm_trace(subdev, "one-time init completed in %lldus\n", time); + } + + if (subdev->func->init) { + ret = subdev->func->init(subdev); + if (ret) { + nvkm_error(subdev, "init failed, %d\n", ret); + return ret; + } + } + + time = ktime_to_us(ktime_get()) - time; + nvkm_trace(subdev, "init completed in %lldus\n", time); + return 0; +} + +void +nvkm_subdev_del(struct nvkm_subdev **psubdev) +{ + struct nvkm_subdev *subdev = *psubdev; + s64 time; + if (subdev && !WARN_ON(!subdev->func)) { + nvkm_trace(subdev, "destroy running...\n"); + time = ktime_to_us(ktime_get()); + if (subdev->func->dtor) + *psubdev = subdev->func->dtor(subdev); + time = ktime_to_us(ktime_get()) - time; + nvkm_trace(subdev, "destroy completed in %lldus\n", time); + kfree(*psubdev); + *psubdev = NULL; + } +} + +static const struct nvkm_object_func +nvkm_subdev_func = { +}; + +void +nvkm_subdev_ctor(const struct nvkm_subdev_func *func, + struct nvkm_device *device, int index, u32 pmc_enable, + struct nvkm_subdev *subdev) +{ + const char *name = nvkm_subdev_name[index]; + struct nvkm_oclass hack = {}; + nvkm_object_ctor(&nvkm_subdev_func, &hack, &subdev->object); + subdev->func = func; + subdev->device = device; + subdev->index = index; + subdev->pmc_enable = pmc_enable; + + __mutex_init(&subdev->mutex, name, &nvkm_subdev_lock_class[index]); + subdev->debug = nvkm_dbgopt(device->dbgopt, name); +} + struct nvkm_subdev * nvkm_subdev(void *obj, int idx) { @@ -103,6 +283,8 @@ nvkm_subdev_create_(struct nvkm_object *parent, struct nvkm_object *engine, const char *subname, const char *sysname, int size, void **pobject) { + const int subidx = oclass->handle & 0xff; + const char *name = nvkm_subdev_name[subidx]; struct nvkm_subdev *subdev; int ret; @@ -112,13 +294,12 @@ nvkm_subdev_create_(struct nvkm_object *parent, struct nvkm_object *engine, if (ret) return ret; - __mutex_init(&subdev->mutex, subname, &oclass->lock_class_key); - subdev->name = subname; - subdev->sname = sysname; + __mutex_init(&subdev->mutex, name, &nvkm_subdev_lock_class[subidx]); + subdev->index = subidx; if (parent) { struct nvkm_device *device = nv_device(parent); - subdev->debug = nvkm_dbgopt(device->dbgopt, subname); + subdev->debug = nvkm_dbgopt(device->dbgopt, name); subdev->device = device; } else { subdev->device = nv_device(subdev); |