diff options
Diffstat (limited to 'drivers/gpu/drm/sis')
| -rw-r--r-- | drivers/gpu/drm/sis/Makefile | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/sis/sis_drv.c | 117 | ||||
| -rw-r--r-- | drivers/gpu/drm/sis/sis_drv.h | 73 | ||||
| -rw-r--r-- | drivers/gpu/drm/sis/sis_mm.c | 333 |
4 files changed, 533 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sis/Makefile b/drivers/gpu/drm/sis/Makefile new file mode 100644 index 0000000..441c061 --- /dev/null +++ b/drivers/gpu/drm/sis/Makefile @@ -0,0 +1,10 @@ +# +# Makefile for the drm device driver. This driver provides support for the +# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. + +ccflags-y = -Iinclude/drm +sis-y := sis_drv.o sis_mm.o + +obj-$(CONFIG_DRM_SIS) += sis.o + + diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c new file mode 100644 index 0000000..7dacc64 --- /dev/null +++ b/drivers/gpu/drm/sis/sis_drv.c @@ -0,0 +1,117 @@ +/* sis.c -- sis driver -*- linux-c -*- + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * 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 + * PRECISION INSIGHT 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 "sis_drm.h" +#include "sis_drv.h" + +#include "drm_pciids.h" + +static struct pci_device_id pciidlist[] = { + sisdrv_PCI_IDS +}; + +static int sis_driver_load(struct drm_device *dev, unsigned long chipset) +{ + drm_sis_private_t *dev_priv; + int ret; + + dev_priv = drm_calloc(1, sizeof(drm_sis_private_t), DRM_MEM_DRIVER); + if (dev_priv == NULL) + return -ENOMEM; + + dev->dev_private = (void *)dev_priv; + dev_priv->chipset = chipset; + ret = drm_sman_init(&dev_priv->sman, 2, 12, 8); + if (ret) { + drm_free(dev_priv, sizeof(dev_priv), DRM_MEM_DRIVER); + } + + return ret; +} + +static int sis_driver_unload(struct drm_device *dev) +{ + drm_sis_private_t *dev_priv = dev->dev_private; + + drm_sman_takedown(&dev_priv->sman); + drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER); + + return 0; +} + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR, + .load = sis_driver_load, + .unload = sis_driver_unload, + .context_dtor = NULL, + .dma_quiescent = sis_idle, + .reclaim_buffers = NULL, + .reclaim_buffers_idlelocked = sis_reclaim_buffers_locked, + .lastclose = sis_lastclose, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .ioctls = sis_ioctls, + .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, + }, + + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, +}; + +static int __init sis_init(void) +{ + driver.num_ioctls = sis_max_ioctl; + return drm_init(&driver); +} + +static void __exit sis_exit(void) +{ + drm_exit(&driver); +} + +module_init(sis_init); +module_exit(sis_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/gpu/drm/sis/sis_drv.h b/drivers/gpu/drm/sis/sis_drv.h new file mode 100644 index 0000000..ef940ba --- /dev/null +++ b/drivers/gpu/drm/sis/sis_drv.h @@ -0,0 +1,73 @@ +/* sis_drv.h -- Private header for sis driver -*- linux-c -*- */ +/* + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * 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 + * PRECISION INSIGHT 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. + * + */ + +#ifndef _SIS_DRV_H_ +#define _SIS_DRV_H_ + +/* General customization: + */ + +#define DRIVER_AUTHOR "SIS, Tungsten Graphics" +#define DRIVER_NAME "sis" +#define DRIVER_DESC "SIS 300/630/540 and XGI V3XE/V5/V8" +#define DRIVER_DATE "20070626" +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 3 +#define DRIVER_PATCHLEVEL 0 + +enum sis_family { + SIS_OTHER = 0, + SIS_CHIP_315 = 1, +}; + +#include "drm_sman.h" + + +#define SIS_BASE (dev_priv->mmio) +#define SIS_READ(reg) DRM_READ32(SIS_BASE, reg); +#define SIS_WRITE(reg, val) DRM_WRITE32(SIS_BASE, reg, val); + +typedef struct drm_sis_private { + drm_local_map_t *mmio; + unsigned int idle_fault; + struct drm_sman sman; + unsigned int chipset; + int vram_initialized; + int agp_initialized; + unsigned long vram_offset; + unsigned long agp_offset; +} drm_sis_private_t; + +extern int sis_idle(struct drm_device *dev); +extern void sis_reclaim_buffers_locked(struct drm_device *dev, + struct drm_file *file_priv); +extern void sis_lastclose(struct drm_device *dev); + +extern struct drm_ioctl_desc sis_ioctls[]; +extern int sis_max_ioctl; + +#endif diff --git a/drivers/gpu/drm/sis/sis_mm.c b/drivers/gpu/drm/sis/sis_mm.c new file mode 100644 index 0000000..b387877 --- /dev/null +++ b/drivers/gpu/drm/sis/sis_mm.c @@ -0,0 +1,333 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA. + * 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS 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. + * + * + **************************************************************************/ + +/* + * Authors: + * Thomas Hellström <thomas-at-tungstengraphics-dot-com> + */ + +#include "drmP.h" +#include "sis_drm.h" +#include "sis_drv.h" + +#include <video/sisfb.h> + +#define VIDEO_TYPE 0 +#define AGP_TYPE 1 + + +#if defined(CONFIG_FB_SIS) +/* fb management via fb device */ + +#define SIS_MM_ALIGN_SHIFT 0 +#define SIS_MM_ALIGN_MASK 0 + +static void *sis_sman_mm_allocate(void *private, unsigned long size, + unsigned alignment) +{ + struct sis_memreq req; + + req.size = size; + sis_malloc(&req); + if (req.size == 0) + return NULL; + else + return (void *)~req.offset; +} + +static void sis_sman_mm_free(void *private, void *ref) +{ + sis_free(~((unsigned long)ref)); +} + +static void sis_sman_mm_destroy(void *private) +{ + ; +} + +static unsigned long sis_sman_mm_offset(void *private, void *ref) +{ + return ~((unsigned long)ref); +} + +#else /* CONFIG_FB_SIS */ + +#define SIS_MM_ALIGN_SHIFT 4 +#define SIS_MM_ALIGN_MASK ( (1 << SIS_MM_ALIGN_SHIFT) - 1) + +#endif /* CONFIG_FB_SIS */ + +static int sis_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_sis_private_t *dev_priv = dev->dev_private; + drm_sis_fb_t *fb = data; + int ret; + + mutex_lock(&dev->struct_mutex); +#if defined(CONFIG_FB_SIS) + { + struct drm_sman_mm sman_mm; + sman_mm.private = (void *)0xFFFFFFFF; + sman_mm.allocate = sis_sman_mm_allocate; + sman_mm.free = sis_sman_mm_free; + sman_mm.destroy = sis_sman_mm_destroy; + sman_mm.offset = sis_sman_mm_offset; + ret = + drm_sman_set_manager(&dev_priv->sman, VIDEO_TYPE, &sman_mm); + } +#else + ret = drm_sman_set_range(&dev_priv->sman, VIDEO_TYPE, 0, + fb->size >> SIS_MM_ALIGN_SHIFT); +#endif + + if (ret) { + DRM_ERROR("VRAM memory manager initialisation error\n"); + mutex_unlock(&dev->struct_mutex); + return ret; + } + + dev_priv->vram_initialized = 1; + dev_priv->vram_offset = fb->offset; + + mutex_unlock(&dev->struct_mutex); + DRM_DEBUG("offset = %u, size = %u\n", fb->offset, fb->size); + + return 0; +} + +static int sis_drm_alloc(struct drm_device *dev, struct drm_file *file_priv, + void *data, int pool) +{ + drm_sis_private_t *dev_priv = dev->dev_private; + drm_sis_mem_t *mem = data; + int retval = 0; + struct drm_memblock_item *item; + + mutex_lock(&dev->struct_mutex); + + if (0 == ((pool == 0) ? dev_priv->vram_initialized : + dev_priv->agp_initialized)) { + DRM_ERROR + ("Attempt to allocate from uninitialized memory manager.\n"); + mutex_unlock(&dev->struct_mutex); + return -EINVAL; + } + + mem->size = (mem->size + SIS_MM_ALIGN_MASK) >> SIS_MM_ALIGN_SHIFT; + item = drm_sman_alloc(&dev_priv->sman, pool, mem->size, 0, + (unsigned long)file_priv); + + mutex_unlock(&dev->struct_mutex); + if (item) { + mem->offset = ((pool == 0) ? + dev_priv->vram_offset : dev_priv->agp_offset) + + (item->mm-> + offset(item->mm, item->mm_info) << SIS_MM_ALIGN_SHIFT); + mem->free = item->user_hash.key; + mem->size = mem->size << SIS_MM_ALIGN_SHIFT; + } else { + mem->offset = 0; + mem->size = 0; + mem->free = 0; + retval = -ENOMEM; + } + + DRM_DEBUG("alloc %d, size = %d, offset = %d\n", pool, mem->size, + mem->offset); + + return retval; +} + +static int sis_drm_free(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_sis_private_t *dev_priv = dev->dev_private; + drm_sis_mem_t *mem = data; + int ret; + + mutex_lock(&dev->struct_mutex); + ret = drm_sman_free_key(&dev_priv->sman, mem->free); + mutex_unlock(&dev->struct_mutex); + DRM_DEBUG("free = 0x%lx\n", mem->free); + + return ret; +} + +static int sis_fb_alloc(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return sis_drm_alloc(dev, file_priv, data, VIDEO_TYPE); +} + +static int sis_ioctl_agp_init(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + drm_sis_private_t *dev_priv = dev->dev_private; + drm_sis_agp_t *agp = data; + int ret; + dev_priv = dev->dev_private; + + mutex_lock(&dev->struct_mutex); + ret = drm_sman_set_range(&dev_priv->sman, AGP_TYPE, 0, + agp->size >> SIS_MM_ALIGN_SHIFT); + + if (ret) { + DRM_ERROR("AGP memory manager initialisation error\n"); + mutex_unlock(&dev->struct_mutex); + return ret; + } + + dev_priv->agp_initialized = 1; + dev_priv->agp_offset = agp->offset; + mutex_unlock(&dev->struct_mutex); + + DRM_DEBUG("offset = %u, size = %u\n", agp->offset, agp->size); + return 0; +} + +static int sis_ioctl_agp_alloc(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + + return sis_drm_alloc(dev, file_priv, data, AGP_TYPE); +} + +static drm_local_map_t *sis_reg_init(struct drm_device *dev) +{ + struct drm_map_list *entry; + drm_local_map_t *map; + + list_for_each_entry(entry, &dev->maplist, head) { + map = entry->map; + if (!map) + continue; + if (map->type == _DRM_REGISTERS) { + return map; + } + } + return NULL; +} + +int sis_idle(struct drm_device *dev) +{ + drm_sis_private_t *dev_priv = dev->dev_private; + uint32_t idle_reg; + unsigned long end; + int i; + + if (dev_priv->idle_fault) + return 0; + + if (dev_priv->mmio == NULL) { + dev_priv->mmio = sis_reg_init(dev); + if (dev_priv->mmio == NULL) { + DRM_ERROR("Could not find register map.\n"); + return 0; + } + } + + /* + * Implement a device switch here if needed + */ + + if (dev_priv->chipset != SIS_CHIP_315) + return 0; + + /* + * Timeout after 3 seconds. We cannot use DRM_WAIT_ON here + * because its polling frequency is too low. + */ + + end = jiffies + (DRM_HZ * 3); + + for (i=0; i<4; ++i) { + do { + idle_reg = SIS_READ(0x85cc); + } while ( !time_after_eq(jiffies, end) && + ((idle_reg & 0x80000000) != 0x80000000)); + } + + if (time_after_eq(jiffies, end)) { + DRM_ERROR("Graphics engine idle timeout. " + "Disabling idle check\n"); + dev_priv->idle_fault = 1; + } + + /* + * The caller never sees an error code. It gets trapped + * in libdrm. + */ + + return 0; +} + + +void sis_lastclose(struct drm_device *dev) +{ + drm_sis_private_t *dev_priv = dev->dev_private; + + if (!dev_priv) + return; + + mutex_lock(&dev->struct_mutex); + drm_sman_cleanup(&dev_priv->sman); + dev_priv->vram_initialized = 0; + dev_priv->agp_initialized = 0; + dev_priv->mmio = NULL; + mutex_unlock(&dev->struct_mutex); +} + +void sis_reclaim_buffers_locked(struct drm_device * dev, + struct drm_file *file_priv) +{ + drm_sis_private_t *dev_priv = dev->dev_private; + + mutex_lock(&dev->struct_mutex); + if (drm_sman_owner_clean(&dev_priv->sman, (unsigned long)file_priv)) { + mutex_unlock(&dev->struct_mutex); + return; + } + + if (dev->driver->dma_quiescent) { + dev->driver->dma_quiescent(dev); + } + + drm_sman_owner_cleanup(&dev_priv->sman, (unsigned long)file_priv); + mutex_unlock(&dev->struct_mutex); + return; +} + +struct drm_ioctl_desc sis_ioctls[] = { + DRM_IOCTL_DEF(DRM_SIS_FB_ALLOC, sis_fb_alloc, DRM_AUTH), + DRM_IOCTL_DEF(DRM_SIS_FB_FREE, sis_drm_free, DRM_AUTH), + DRM_IOCTL_DEF(DRM_SIS_AGP_INIT, sis_ioctl_agp_init, DRM_AUTH | DRM_MASTER | DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_SIS_AGP_ALLOC, sis_ioctl_agp_alloc, DRM_AUTH), + DRM_IOCTL_DEF(DRM_SIS_AGP_FREE, sis_drm_free, DRM_AUTH), + DRM_IOCTL_DEF(DRM_SIS_FB_INIT, sis_fb_init, DRM_AUTH | DRM_MASTER | DRM_ROOT_ONLY), +}; + +int sis_max_ioctl = DRM_ARRAY_SIZE(sis_ioctls); |
