From c0abf5c9fa1db7188bd6b8b580614a377dbc7080 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Wed, 26 Sep 2012 13:05:01 +1000 Subject: [PATCH] drm/nvc0/ibus: initial implementation of subdev Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/Makefile | 1 + .../drm/nouveau/core/include/subdev/ibus.h | 1 + .../gpu/drm/nouveau/core/subdev/device/nvc0.c | 9 ++ .../gpu/drm/nouveau/core/subdev/ibus/nvc0.c | 123 ++++++++++++++++++ 4 files changed, 134 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/core/subdev/ibus/nvc0.c diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile index 15d17e88743..a990df4d6c0 100644 --- a/drivers/gpu/drm/nouveau/Makefile +++ b/drivers/gpu/drm/nouveau/Makefile @@ -76,6 +76,7 @@ nouveau-y += core/subdev/gpio/nvd0.o nouveau-y += core/subdev/i2c/base.o nouveau-y += core/subdev/i2c/aux.o nouveau-y += core/subdev/i2c/bit.o +nouveau-y += core/subdev/ibus/nvc0.o nouveau-y += core/subdev/ibus/nve0.o nouveau-y += core/subdev/instmem/base.o nouveau-y += core/subdev/instmem/nv04.o diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/ibus.h b/drivers/gpu/drm/nouveau/core/include/subdev/ibus.h index f014594f426..88814f159d8 100644 --- a/drivers/gpu/drm/nouveau/core/include/subdev/ibus.h +++ b/drivers/gpu/drm/nouveau/core/include/subdev/ibus.h @@ -28,6 +28,7 @@ nouveau_ibus(void *obj) #define _nouveau_ibus_init _nouveau_subdev_init #define _nouveau_ibus_fini _nouveau_subdev_fini +extern struct nouveau_oclass nvc0_ibus_oclass; extern struct nouveau_oclass nve0_ibus_oclass; #endif diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c index 246bd081a01..6697f0f9c29 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c @@ -34,6 +34,7 @@ #include #include #include +#include #include #include #include @@ -65,6 +66,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = &nvc0_fb_oclass; device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass; + device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; @@ -92,6 +94,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = &nvc0_fb_oclass; device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass; + device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; @@ -119,6 +122,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = &nvc0_fb_oclass; device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass; + device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; @@ -146,6 +150,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = &nvc0_fb_oclass; device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass; + device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; @@ -173,6 +178,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = &nvc0_fb_oclass; device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass; + device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; @@ -200,6 +206,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = &nvc0_fb_oclass; device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass; + device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; @@ -227,6 +234,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = &nvc0_fb_oclass; device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass; + device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; @@ -254,6 +262,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = &nvc0_fb_oclass; device->oclass[NVDEV_SUBDEV_LTCG ] = &nvc0_ltcg_oclass; + device->oclass[NVDEV_SUBDEV_IBUS ] = &nvc0_ibus_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; diff --git a/drivers/gpu/drm/nouveau/core/subdev/ibus/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/ibus/nvc0.c new file mode 100644 index 00000000000..4e977ff27e4 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/ibus/nvc0.c @@ -0,0 +1,123 @@ +/* + * 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 + +struct nvc0_ibus_priv { + struct nouveau_ibus base; +}; + +static void +nvc0_ibus_intr_hub(struct nvc0_ibus_priv *priv, int i) +{ + u32 addr = nv_rd32(priv, 0x122120 + (i * 0x0400)); + u32 data = nv_rd32(priv, 0x122124 + (i * 0x0400)); + u32 stat = nv_rd32(priv, 0x122128 + (i * 0x0400)); + nv_error(priv, "HUB%d: 0x%06x 0x%08x (0x%08x)\n", i, addr, data, stat); + nv_mask(priv, 0x122128 + (i * 0x0400), 0x00000200, 0x00000000); +} + +static void +nvc0_ibus_intr_rop(struct nvc0_ibus_priv *priv, int i) +{ + u32 addr = nv_rd32(priv, 0x124120 + (i * 0x0400)); + u32 data = nv_rd32(priv, 0x124124 + (i * 0x0400)); + u32 stat = nv_rd32(priv, 0x124128 + (i * 0x0400)); + nv_error(priv, "ROP%d: 0x%06x 0x%08x (0x%08x)\n", i, addr, data, stat); + nv_mask(priv, 0x124128 + (i * 0x0400), 0x00000200, 0x00000000); +} + +static void +nvc0_ibus_intr_gpc(struct nvc0_ibus_priv *priv, int i) +{ + u32 addr = nv_rd32(priv, 0x128120 + (i * 0x0400)); + u32 data = nv_rd32(priv, 0x128124 + (i * 0x0400)); + u32 stat = nv_rd32(priv, 0x128128 + (i * 0x0400)); + nv_error(priv, "GPC%d: 0x%06x 0x%08x (0x%08x)\n", i, addr, data, stat); + nv_mask(priv, 0x128128 + (i * 0x0400), 0x00000200, 0x00000000); +} + +static void +nvc0_ibus_intr(struct nouveau_subdev *subdev) +{ + struct nvc0_ibus_priv *priv = (void *)subdev; + u32 intr0 = nv_rd32(priv, 0x121c58); + u32 intr1 = nv_rd32(priv, 0x121c5c); + u32 hubnr = nv_rd32(priv, 0x121c70); + u32 ropnr = nv_rd32(priv, 0x121c74); + u32 gpcnr = nv_rd32(priv, 0x121c78); + u32 i; + + for (i = 0; (intr0 & 0x0000ff00) && i < hubnr; i++) { + u32 stat = 0x00000100 << i; + if (intr0 & stat) { + nvc0_ibus_intr_hub(priv, i); + intr0 &= ~stat; + } + } + + for (i = 0; (intr0 & 0xffff0000) && i < ropnr; i++) { + u32 stat = 0x00010000 << i; + if (intr0 & stat) { + nvc0_ibus_intr_rop(priv, i); + intr0 &= ~stat; + } + } + + for (i = 0; intr1 && i < gpcnr; i++) { + u32 stat = 0x00000001 << i; + if (intr1 & stat) { + nvc0_ibus_intr_gpc(priv, i); + intr1 &= ~stat; + } + } +} + +static int +nvc0_ibus_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nvc0_ibus_priv *priv; + int ret; + + ret = nouveau_ibus_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->intr = nvc0_ibus_intr; + return 0; +} + +struct nouveau_oclass +nvc0_ibus_oclass = { + .handle = NV_SUBDEV(IBUS, 0xc0), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nvc0_ibus_ctor, + .dtor = _nouveau_ibus_dtor, + .init = _nouveau_ibus_init, + .fini = _nouveau_ibus_fini, + }, +}; -- 2.41.0