From ce0d528d3ca78348a7c1ad7c402757824fb6cf95 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Sun, 24 Jun 2007 20:49:19 +1000 Subject: nouveau/nv50: skeletal backend --- shared-core/nv50_fifo.c | 83 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 shared-core/nv50_fifo.c (limited to 'shared-core/nv50_fifo.c') diff --git a/shared-core/nv50_fifo.c b/shared-core/nv50_fifo.c new file mode 100644 index 00000000..e5d37949 --- /dev/null +++ b/shared-core/nv50_fifo.c @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2007 Ben Skeggs. + * 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 COPYRIGHT OWNER(S) AND/OR ITS 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. + * + */ + +#include "drmP.h" +#include "drm.h" +#include "nouveau_drv.h" + +static void +nv50_fifo_init_reset(drm_device_t *dev) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + uint32_t pmc_e; + + pmc_e = NV_READ(NV03_PMC_ENABLE); + NV_WRITE(NV03_PMC_ENABLE, pmc_e & ~NV_PMC_ENABLE_PFIFO); + pmc_e = NV_READ(NV03_PMC_ENABLE); + NV_WRITE(NV03_PMC_ENABLE, pmc_e | NV_PMC_ENABLE_PFIFO); +} + +int +nv50_fifo_init(drm_device_t *dev) +{ + nv50_fifo_init_reset(dev); + + DRM_ERROR("stub!\n"); + return 0; +} + +void +nv50_fifo_takedown(drm_device_t *dev) +{ + DRM_ERROR("stub!\n"); +} + +int +nv50_fifo_create_context(drm_device_t *dev, int channel) +{ + DRM_ERROR("stub!\n"); + return 0; +} + +void +nv50_fifo_destroy_context(drm_device_t *dev, int channel) +{ +} + +int +nv50_fifo_load_context(drm_device_t *dev, int channel) +{ + DRM_ERROR("stub!\n"); + return 0; +} + +int +nv50_fifo_save_context(drm_device_t *dev, int channel) +{ + DRM_ERROR("stub!\n"); + return 0; +} + -- cgit v1.2.3