diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c new file mode 100644 index 000000000000..ff22f06b22b8 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c @@ -0,0 +1,130 @@ +/* + * Copyright 2013 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 "nv40.h" + +static void +nv40_perfctr_init(struct nvkm_pm *ppm, struct nvkm_perfdom *dom, + struct nvkm_perfctr *ctr) +{ + struct nv40_pm_priv *priv = (void *)ppm; + struct nv40_pm_cntr *cntr = (void *)ctr; + u32 log = ctr->logic_op; + u32 src = 0x00000000; + int i; + + for (i = 0; i < 4 && ctr->signal[i]; i++) + src |= (ctr->signal[i] - dom->signal) << (i * 8); + + nv_wr32(priv, 0x00a7c0 + dom->addr, 0x00000001); + nv_wr32(priv, 0x00a400 + dom->addr + (cntr->base.slot * 0x40), src); + nv_wr32(priv, 0x00a420 + dom->addr + (cntr->base.slot * 0x40), log); +} + +static void +nv40_perfctr_read(struct nvkm_pm *ppm, struct nvkm_perfdom *dom, + struct nvkm_perfctr *ctr) +{ + struct nv40_pm_priv *priv = (void *)ppm; + struct nv40_pm_cntr *cntr = (void *)ctr; + + switch (cntr->base.slot) { + case 0: cntr->base.ctr = nv_rd32(priv, 0x00a700 + dom->addr); break; + case 1: cntr->base.ctr = nv_rd32(priv, 0x00a6c0 + dom->addr); break; + case 2: cntr->base.ctr = nv_rd32(priv, 0x00a680 + dom->addr); break; + case 3: cntr->base.ctr = nv_rd32(priv, 0x00a740 + dom->addr); break; + } + cntr->base.clk = nv_rd32(priv, 0x00a600 + dom->addr); +} + +static void +nv40_perfctr_next(struct nvkm_pm *ppm, struct nvkm_perfdom *dom) +{ + struct nv40_pm_priv *priv = (void *)ppm; + if (priv->sequence != ppm->sequence) { + nv_wr32(priv, 0x400084, 0x00000020); + priv->sequence = ppm->sequence; + } +} + +const struct nvkm_funcdom +nv40_perfctr_func = { + .init = nv40_perfctr_init, + .read = nv40_perfctr_read, + .next = nv40_perfctr_next, +}; + +static const struct nvkm_specdom +nv40_pm[] = { + { 0x20, (const struct nvkm_specsig[]) { + {} + }, &nv40_perfctr_func }, + { 0x20, (const struct nvkm_specsig[]) { + {} + }, &nv40_perfctr_func }, + { 0x20, (const struct nvkm_specsig[]) { + {} + }, &nv40_perfctr_func }, + { 0x20, (const struct nvkm_specsig[]) { + {} + }, &nv40_perfctr_func }, + { 0x20, (const struct nvkm_specsig[]) { + {} + }, &nv40_perfctr_func }, + {} +}; + +int +nv40_pm_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nv40_pm_oclass *mclass = (void *)oclass; + struct nv40_pm_priv *priv; + int ret; + + ret = nvkm_pm_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + ret = nvkm_perfdom_new(&priv->base, "pm", 0, 0, 0, 4, mclass->doms); + if (ret) + return ret; + + nv_engine(priv)->cclass = &nvkm_pm_cclass; + nv_engine(priv)->sclass = nvkm_pm_sclass; + return 0; +} + +struct nvkm_oclass * +nv40_pm_oclass = &(struct nv40_pm_oclass) { + .base.handle = NV_ENGINE(PM, 0x40), + .base.ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv40_pm_ctor, + .dtor = _nvkm_pm_dtor, + .init = _nvkm_pm_init, + .fini = _nvkm_pm_fini, + }, + .doms = nv40_pm, +}.base; |