From 62a467303408286deef97b288ec286e21dda3761 Mon Sep 17 00:00:00 2001 From: Adam Jackson Date: Thu, 6 Oct 2005 23:31:29 +0000 Subject: Skeleton nv drm driver, to enable DMA in EXA. (Lars Knoll, minor updates by me) --- linux-core/Makefile | 12 +++++- linux-core/Makefile.kernel | 2 + linux-core/nv_drv.c | 95 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 107 insertions(+), 2 deletions(-) create mode 100644 linux-core/nv_drv.c (limited to 'linux-core') diff --git a/linux-core/Makefile b/linux-core/Makefile index c7511061..ab3609ba 100644 --- a/linux-core/Makefile +++ b/linux-core/Makefile @@ -50,7 +50,8 @@ endif MACHINE := $(shell uname -m) # Modules for all architectures -MODULE_LIST := drm.o tdfx.o r128.o radeon.o mga.o sis.o savage.o via.o mach64.o +MODULE_LIST := drm.o tdfx.o r128.o radeon.o mga.o sis.o savage.o via.o \ + mach64.o nv.o # Modules only for ix86 architectures ifneq (,$(findstring 86,$(MACHINE))) @@ -97,11 +98,13 @@ VIASHARED = via_drm.h via_drv.h via_mm.h via_ds.h \ MACH64HEADERS = mach64_drv.h mach64_drm.h $(DRMHEADERS) MACH64SHARED = mach64_drv.h mach64_drm.h mach64_dma.c \ mach64_irq.c mach64_state.c +NVHEADERS = nv_drv.h $(DRMHEADERS) +NVSHARED = nv_drv.h FFBHEADERS = ffb_drv.h $(DRMHEADERS) SHAREDSRC = $(DRMSHARED) $(MGASHARED) $(R128SHARED) $(RADEONSHARED) \ $(SISSHARED) $(TDFXSHARED) $(VIASHARED) $(MACH64SHARED) \ - $(I915SHARED) $(SAVAGESHARED) + $(I915SHARED) $(SAVAGESHARED) $(NVSHARED) PROGS = dristat drmstat @@ -330,6 +333,7 @@ CONFIG_DRM_FFB := n CONFIG_DRM_SAVAGE := n CONFIG_DRM_VIA := n CONFIG_DRM_MACH64 := n +CONFIG_DRM_NV := n # Enable module builds for the modules requested/supported. @@ -360,6 +364,9 @@ endif ifneq (,$(findstring mga,$(DRM_MODULES))) CONFIG_DRM_MGA := m endif +ifneq (,$(findstring nv,$(DRM_MODULES))) +CONFIG_DRM_NV := m +endif # These require AGP support @@ -391,6 +398,7 @@ $(ffb-objs): $(FFBHEADERS) $(savage-objs): $(SAVAGEHEADERS) $(via-objs): $(VIAHEADERS) $(mach64-objs): $(MACH64HEADERS) +$(nv-objs): $(NVHEADERS) endif diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel index 5d4dac04..d63aabb6 100644 --- a/linux-core/Makefile.kernel +++ b/linux-core/Makefile.kernel @@ -25,6 +25,7 @@ savage-objs := savage_drv.o savage_bci.o savage_state.o via-objs := via_irq.o via_drv.o via_ds.o via_map.o via_mm.o via_dma.o via_verifier.o \ via_video.o via_dmablit.o mach64-objs := mach64_drv.o mach64_dma.o mach64_irq.o mach64_state.o +nv-objs := nv_drv.o ifeq ($(CONFIG_COMPAT),y) drm-objs += drm_ioc32.o @@ -47,3 +48,4 @@ obj-$(CONFIG_DRM_FFB) += ffb.o obj-$(CONFIG_DRM_SAVAGE)+= savage.o obj-$(CONFIG_DRM_VIA) += via.o obj-$(CONFIG_DRM_MACH64)+= mach64.o +obj-$(CONFIG_DRM_NV) += nv.o diff --git a/linux-core/nv_drv.c b/linux-core/nv_drv.c new file mode 100644 index 00000000..a6afb024 --- /dev/null +++ b/linux-core/nv_drv.c @@ -0,0 +1,95 @@ +/* nv_drv.c -- nv driver -*- linux-c -*- + * Created: Thu Oct 7 10:38:32 1999 by faith@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * Copyright 2005 Lars Knoll + * All Rights Reserved. + * + * 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 (including the next + * paragraph) 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 AUTHORS AND/OR THEIR SUPPLIERS 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: + * Rickard E. (Rik) Faith + * Daryll Strauss + * Gareth Hughes + * Lars Knoll + */ + +#include +#include "drmP.h" +#include "nv_drv.h" + +#include "drm_pciids.h" + +static struct pci_device_id pciidlist[] = { + nv_PCI_IDS +}; + +static int probe(struct pci_dev *pdev, const struct pci_device_id *ent); +static struct drm_driver driver = { + .driver_features = DRIVER_USE_MTRR | DRIVER_USE_AGP, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + .probe = probe, + .remove = __devexit_p(drm_cleanup_pci), + }, + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, +}; + +static int probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + return drm_get_dev(pdev, ent, &driver); +} + + +static int __init nv_init(void) +{ + return drm_init(&driver, pciidlist); +} + +static void __exit nv_exit(void) +{ + drm_exit(&driver); +} + +module_init(nv_init); +module_exit(nv_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL and additional rights"); -- cgit v1.2.3