This add support to the SiS and VIA drivers for the simple memory manager.
This fixes a lot of problems with the current simple code these drivers used,
including locking and SMP issues.
Signed-off-by: Dave Airlie <airlied@linux.ie>
i915-objs := i915_drv.o i915_dma.o i915_irq.o i915_mem.o
radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o r300_cmdbuf.o
ffb-objs := ffb_drv.o ffb_context.o
-sis-objs := sis_drv.o sis_ds.o sis_mm.o
+sis-objs := sis_drv.o sis_mm.o
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
+via-objs := via_irq.o via_drv.o via_map.o via_mm.o via_dma.o via_verifier.o via_video.o via_dmablit.o
ifeq ($(CONFIG_COMPAT),y)
drm-objs += drm_ioc32.o
sisdrv_PCI_IDS
};
+static int sis_driver_load(drm_device_t *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 DRM_ERR(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(drm_device_t *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,
- .context_ctor = sis_init_context,
- .context_dtor = sis_final_context,
- .reclaim_buffers = drm_core_reclaim_buffers,
+ .load = sis_driver_load,
+ .unload = sis_driver_unload,
+ .context_dtor = NULL,
+ .reclaim_buffers = NULL,
+ .reclaim_buffers_locked = 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,
/* General customization:
*/
-#define DRIVER_AUTHOR "SIS"
+#define DRIVER_AUTHOR "SIS, Tungsten Graphics"
#define DRIVER_NAME "sis"
#define DRIVER_DESC "SIS 300/630/540"
-#define DRIVER_DATE "20030826"
+#define DRIVER_DATE "20060529"
#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 1
-#define DRIVER_PATCHLEVEL 0
+#define DRIVER_MINOR 2
+#define DRIVER_PATCHLEVEL 1
-#include "sis_ds.h"
+#include "drm_sman.h"
typedef struct drm_sis_private {
- memHeap_t *AGPHeap;
- memHeap_t *FBHeap;
+ drm_local_map_t *mmio;
+ unsigned int idle_fault;
+ drm_sman_t 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_init_context(drm_device_t * dev, int context);
-extern int sis_final_context(drm_device_t * dev, int context);
+extern void sis_reclaim_buffers_locked(drm_device_t *dev, struct file *filp);
+extern void sis_lastclose(drm_device_t *dev);
extern drm_ioctl_desc_t sis_ioctls[];
extern int sis_max_ioctl;
+++ /dev/null
-/* sis_ds.c -- Private header for Direct Rendering Manager -*- linux-c -*-
- * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw
- *
- * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
- * 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.
- *
- * Authors:
- * Sung-Ching Lin <sclin@sis.com.tw>
- *
- */
-
-#include "drmP.h"
-#include "drm.h"
-#include "sis_ds.h"
-
-/* Set Data Structure, not check repeated value
- * temporarily used
- */
-
-set_t *setInit(void)
-{
- int i;
- set_t *set;
-
- set = (set_t *) drm_alloc(sizeof(set_t), DRM_MEM_DRIVER);
- if (set != NULL) {
- for (i = 0; i < SET_SIZE; i++) {
- set->list[i].free_next = i + 1;
- set->list[i].alloc_next = -1;
- }
- set->list[SET_SIZE - 1].free_next = -1;
- set->free = 0;
- set->alloc = -1;
- set->trace = -1;
- }
- return set;
-}
-
-int setAdd(set_t * set, ITEM_TYPE item)
-{
- int free = set->free;
-
- if (free != -1) {
- set->list[free].val = item;
- set->free = set->list[free].free_next;
- } else {
- return 0;
- }
-
- set->list[free].alloc_next = set->alloc;
- set->alloc = free;
- set->list[free].free_next = -1;
-
- return 1;
-}
-
-int setDel(set_t * set, ITEM_TYPE item)
-{
- int alloc = set->alloc;
- int prev = -1;
-
- while (alloc != -1) {
- if (set->list[alloc].val == item) {
- if (prev != -1)
- set->list[prev].alloc_next =
- set->list[alloc].alloc_next;
- else
- set->alloc = set->list[alloc].alloc_next;
- break;
- }
- prev = alloc;
- alloc = set->list[alloc].alloc_next;
- }
-
- if (alloc == -1)
- return 0;
-
- set->list[alloc].free_next = set->free;
- set->free = alloc;
- set->list[alloc].alloc_next = -1;
-
- return 1;
-}
-
-/* setFirst -> setAdd -> setNext is wrong */
-
-int setFirst(set_t * set, ITEM_TYPE * item)
-{
- if (set->alloc == -1)
- return 0;
-
- *item = set->list[set->alloc].val;
- set->trace = set->list[set->alloc].alloc_next;
-
- return 1;
-}
-
-int setNext(set_t * set, ITEM_TYPE * item)
-{
- if (set->trace == -1)
- return 0;
-
- *item = set->list[set->trace].val;
- set->trace = set->list[set->trace].alloc_next;
-
- return 1;
-}
-
-int setDestroy(set_t * set)
-{
- drm_free(set, sizeof(set_t), DRM_MEM_DRIVER);
-
- return 1;
-}
-
-/*
- * GLX Hardware Device Driver common code
- * Copyright (C) 1999 Wittawat Yamwong
- *
- * 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
- * WITTAWAT YAMWONG, OR ANY OTHER CONTRIBUTORS 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.
- *
- */
-
-#define ISFREE(bptr) ((bptr)->free)
-
-memHeap_t *mmInit(int ofs, int size)
-{
- PMemBlock blocks;
-
- if (size <= 0)
- return NULL;
-
- blocks = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock), DRM_MEM_DRIVER);
- if (blocks != NULL) {
- blocks->ofs = ofs;
- blocks->size = size;
- blocks->free = 1;
- return (memHeap_t *) blocks;
- } else
- return NULL;
-}
-
-/* Checks if a pointer 'b' is part of the heap 'heap' */
-int mmBlockInHeap(memHeap_t * heap, PMemBlock b)
-{
- TMemBlock *p;
-
- if (heap == NULL || b == NULL)
- return 0;
-
- p = heap;
- while (p != NULL && p != b) {
- p = p->next;
- }
- if (p == b)
- return 1;
- else
- return 0;
-}
-
-static TMemBlock *SliceBlock(TMemBlock * p,
- int startofs, int size,
- int reserved, int alignment)
-{
- TMemBlock *newblock;
-
- /* break left */
- if (startofs > p->ofs) {
- newblock = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock),
- DRM_MEM_DRIVER);
- newblock->ofs = startofs;
- newblock->size = p->size - (startofs - p->ofs);
- newblock->free = 1;
- newblock->next = p->next;
- p->size -= newblock->size;
- p->next = newblock;
- p = newblock;
- }
-
- /* break right */
- if (size < p->size) {
- newblock = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock),
- DRM_MEM_DRIVER);
- newblock->ofs = startofs + size;
- newblock->size = p->size - size;
- newblock->free = 1;
- newblock->next = p->next;
- p->size = size;
- p->next = newblock;
- }
-
- /* p = middle block */
- p->align = alignment;
- p->free = 0;
- p->reserved = reserved;
- return p;
-}
-
-PMemBlock mmAllocMem(memHeap_t * heap, int size, int align2, int startSearch)
-{
- int mask, startofs, endofs;
- TMemBlock *p;
-
- if (heap == NULL || align2 < 0 || size <= 0)
- return NULL;
-
- mask = (1 << align2) - 1;
- startofs = 0;
- p = (TMemBlock *) heap;
- while (p != NULL) {
- if (ISFREE(p)) {
- startofs = (p->ofs + mask) & ~mask;
- if (startofs < startSearch) {
- startofs = startSearch;
- }
- endofs = startofs + size;
- if (endofs <= (p->ofs + p->size))
- break;
- }
- p = p->next;
- }
- if (p == NULL)
- return NULL;
- p = SliceBlock(p, startofs, size, 0, mask + 1);
- p->heap = heap;
- return p;
-}
-
-static __inline__ int Join2Blocks(TMemBlock * p)
-{
- if (p->free && p->next && p->next->free) {
- TMemBlock *q = p->next;
- p->size += q->size;
- p->next = q->next;
- drm_free(q, sizeof(TMemBlock), DRM_MEM_DRIVER);
- return 1;
- }
- return 0;
-}
-
-int mmFreeMem(PMemBlock b)
-{
- TMemBlock *p, *prev;
-
- if (b == NULL)
- return 0;
- if (b->heap == NULL)
- return -1;
-
- p = b->heap;
- prev = NULL;
- while (p != NULL && p != b) {
- prev = p;
- p = p->next;
- }
- if (p == NULL || p->free || p->reserved)
- return -1;
-
- p->free = 1;
- Join2Blocks(p);
- if (prev)
- Join2Blocks(prev);
- return 0;
-}
+++ /dev/null
-/* sis_ds.h -- Private header for Direct Rendering Manager -*- linux-c -*-
- * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw
- */
-/*
- * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
- * 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.
- *
- * Authors:
- * Sung-Ching Lin <sclin@sis.com.tw>
- *
- */
-
-#ifndef __SIS_DS_H__
-#define __SIS_DS_H__
-
-/* Set Data Structure */
-
-#define SET_SIZE 5000
-
-typedef unsigned long ITEM_TYPE;
-
-typedef struct {
- ITEM_TYPE val;
- int alloc_next, free_next;
-} list_item_t;
-
-typedef struct {
- int alloc;
- int free;
- int trace;
- list_item_t list[SET_SIZE];
-} set_t;
-
-set_t *setInit(void);
-int setAdd(set_t * set, ITEM_TYPE item);
-int setDel(set_t * set, ITEM_TYPE item);
-int setFirst(set_t * set, ITEM_TYPE * item);
-int setNext(set_t * set, ITEM_TYPE * item);
-int setDestroy(set_t * set);
-
-/*
- * GLX Hardware Device Driver common code
- * Copyright (C) 1999 Wittawat Yamwong
- *
- * 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
- * WITTAWAT YAMWONG, OR ANY OTHER CONTRIBUTORS 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.
- *
- */
-
-struct mem_block_t {
- struct mem_block_t *next;
- struct mem_block_t *heap;
- int ofs, size;
- int align;
- unsigned int free:1;
- unsigned int reserved:1;
-};
-typedef struct mem_block_t TMemBlock;
-typedef struct mem_block_t *PMemBlock;
-
-/* a heap is just the first block in a chain */
-typedef struct mem_block_t memHeap_t;
-
-static __inline__ int mmBlockSize(PMemBlock b)
-{
- return b->size;
-}
-
-static __inline__ int mmOffset(PMemBlock b)
-{
- return b->ofs;
-}
-
-static __inline__ void mmMarkReserved(PMemBlock b)
-{
- b->reserved = 1;
-}
-
-/*
- * input: total size in bytes
- * return: a heap pointer if OK, NULL if error
- */
-memHeap_t *mmInit(int ofs, int size);
-
-/*
- * Allocate 'size' bytes with 2^align2 bytes alignment,
- * restrict the search to free memory after 'startSearch'
- * depth and back buffers should be in different 4mb banks
- * to get better page hits if possible
- * input: size = size of block
- * align2 = 2^align2 bytes alignment
- * startSearch = linear offset from start of heap to begin search
- * return: pointer to the allocated block, 0 if error
- */
-PMemBlock mmAllocMem(memHeap_t * heap, int size, int align2, int startSearch);
-
-/*
- * Returns 1 if the block 'b' is part of the heap 'heap'
- */
-int mmBlockInHeap(PMemBlock heap, PMemBlock b);
-
-/*
- * Free block starts at offset
- * input: pointer to a block
- * return: 0 if OK, -1 if error
- */
-int mmFreeMem(PMemBlock b);
-
-/* For debuging purpose. */
-void mmDumpMemInfo(memHeap_t * mmInit);
-
-#endif /* __SIS_DS_H__ */
-/* sis_mm.c -- Private header for Direct Rendering Manager -*- linux-c -*-
- * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw
+/**************************************************************************
*
- * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
- * All rights reserved.
+ * 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, 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:
+ * 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 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.
+ * 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:
- * Sung-Ching Lin <sclin@sis.com.tw>
*
+ **************************************************************************/
+
+/*
+ * Authors:
+ * Thomas Hellström <thomas-at-tungstengraphics-dot-com>
*/
#include "drmP.h"
#include "sis_drm.h"
#include "sis_drv.h"
-#include "sis_ds.h"
-#if defined(__linux__) && defined(CONFIG_FB_SIS)
+
#include <video/sisfb.h>
-#endif
-#define MAX_CONTEXT 100
#define VIDEO_TYPE 0
#define AGP_TYPE 1
-typedef struct {
- int used;
- int context;
- set_t *sets[2]; /* 0 for video, 1 for AGP */
-} sis_context_t;
-
-static sis_context_t global_ppriv[MAX_CONTEXT];
+#define SIS_MM_ALIGN_SHIFT 4
+#define SIS_MM_ALIGN_MASK ( (1 << SIS_MM_ALIGN_SHIFT) - 1)
-static int add_alloc_set(int context, int type, unsigned int val)
-{
- int i, retval = 0;
+#if defined(CONFIG_FB_SIS)
+/* fb management via fb device */
- for (i = 0; i < MAX_CONTEXT; i++) {
- if (global_ppriv[i].used && global_ppriv[i].context == context) {
- retval = setAdd(global_ppriv[i].sets[type], val);
- break;
- }
- }
- return retval;
-}
+#define SIS_MM_ALIGN_SHIFT 0
+#define SIS_MM_ALIGN_MASK 0
-static int del_alloc_set(int context, int type, unsigned int val)
+static void *sis_sman_mm_allocate(void *private, unsigned long size,
+ unsigned alignment)
{
- int i, retval = 0;
+ struct sis_memreq req;
- for (i = 0; i < MAX_CONTEXT; i++) {
- if (global_ppriv[i].used && global_ppriv[i].context == context) {
- retval = setDel(global_ppriv[i].sets[type], val);
- break;
- }
- }
- return retval;
+ req.size = size;
+ sis_malloc(&req);
+ if (req.size == 0)
+ return NULL;
+ else
+ return (void *)~req.offset;
}
-/* fb management via fb device */
-#if defined(__linux__) && defined(CONFIG_FB_SIS)
-
-static int sis_fb_init(DRM_IOCTL_ARGS)
+static void sis_sman_mm_free(void *private, void *ref)
{
- return 0;
+ sis_free(~((unsigned long)ref));
}
-static int sis_fb_alloc(DRM_IOCTL_ARGS)
+static void sis_sman_mm_destroy(void *private)
{
- drm_sis_mem_t fb;
- struct sis_memreq req;
- drm_sis_mem_t __user *argp = (drm_sis_mem_t __user *)data;
- int retval = 0;
-
- DRM_COPY_FROM_USER_IOCTL(fb, argp, sizeof(fb));
-
- req.size = fb.size;
- sis_malloc(&req);
- if (req.offset) {
- /* TODO */
- fb.offset = req.offset;
- fb.free = req.offset;
- if (!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)) {
- DRM_DEBUG("adding to allocation set fails\n");
- sis_free(req.offset);
- retval = DRM_ERR(EINVAL);
- }
- } else {
- fb.offset = 0;
- fb.size = 0;
- fb.free = 0;
- }
-
- DRM_COPY_TO_USER_IOCTL(argp, fb, sizeof(fb));
-
- DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size, req.offset);
-
- return retval;
+ ;
}
-static int sis_fb_free(DRM_IOCTL_ARGS)
+unsigned long sis_sman_mm_offset(void *private, void *ref)
{
- drm_sis_mem_t fb;
- int retval = 0;
-
- DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *) data, sizeof(fb));
-
- if (!fb.free)
- return DRM_ERR(EINVAL);
-
- if (!del_alloc_set(fb.context, VIDEO_TYPE, fb.free))
- retval = DRM_ERR(EINVAL);
- sis_free(fb.free);
-
- DRM_DEBUG("free fb, offset = 0x%lx\n", fb.free);
-
- return retval;
+ return ~((unsigned long)ref);
}
-#else
+#endif
-/* Called by the X Server to initialize the FB heap. Allocations will fail
- * unless this is called. Offset is the beginning of the heap from the
- * framebuffer offset (MaxXFBMem in XFree86).
- *
- * Memory layout according to Thomas Winischofer:
- * |------------------|DDDDDDDDDDDDDDDDDDDDDDDDDDDDD|HHHH|CCCCCCCCCCC|
- *
- * X driver/sisfb HW- Command-
- * framebuffer memory DRI heap Cursor queue
- */
static int sis_fb_init(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_sis_private_t *dev_priv = dev->dev_private;
drm_sis_fb_t fb;
+ int ret;
DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_fb_t __user *) data, sizeof(fb));
- if (dev_priv == NULL) {
- dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t),
- DRM_MEM_DRIVER);
- dev_priv = dev->dev_private;
- if (dev_priv == NULL)
- return ENOMEM;
+ mutex_lock(&dev->struct_mutex);
+#if defined(CONFIG_FB_SIS)
+ {
+ drm_sman_mm_t 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 (dev_priv->FBHeap != NULL)
- return DRM_ERR(EINVAL);
+ if (ret) {
+ DRM_ERROR("VRAM memory manager initialisation error\n");
+ mutex_unlock(&dev->struct_mutex);
+ return ret;
+ }
- dev_priv->FBHeap = mmInit(fb.offset, fb.size);
+ dev_priv->vram_initialized = TRUE;
+ dev_priv->vram_offset = fb.offset;
+ mutex_unlock(&dev->struct_mutex);
DRM_DEBUG("offset = %u, size = %u", fb.offset, fb.size);
return 0;
}
-static int sis_fb_alloc(DRM_IOCTL_ARGS)
+static int sis_drm_alloc(drm_device_t * dev, drm_file_t * priv,
+ unsigned long data, int pool)
{
- DRM_DEVICE;
drm_sis_private_t *dev_priv = dev->dev_private;
- drm_sis_mem_t __user *argp = (drm_sis_mem_t __user *)data;
- drm_sis_mem_t fb;
- PMemBlock block;
+ drm_sis_mem_t __user *argp = (drm_sis_mem_t __user *) data;
+ drm_sis_mem_t mem;
int retval = 0;
+ drm_memblock_item_t *item;
- if (dev_priv == NULL || dev_priv->FBHeap == NULL)
+ DRM_COPY_FROM_USER_IOCTL(mem, argp, sizeof(mem));
+
+ mutex_lock(&dev->struct_mutex);
+
+ if (FALSE == ((pool == 0) ? dev_priv->vram_initialized :
+ dev_priv->agp_initialized)) {
+ DRM_ERROR
+ ("Attempt to allocate from uninitialized memory manager.\n");
return DRM_ERR(EINVAL);
+ }
- DRM_COPY_FROM_USER_IOCTL(fb, argp, sizeof(fb));
-
- block = mmAllocMem(dev_priv->FBHeap, fb.size, 0, 0);
- if (block) {
- /* TODO */
- fb.offset = block->ofs;
- fb.free = (unsigned long)block;
- if (!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)) {
- DRM_DEBUG("adding to allocation set fails\n");
- mmFreeMem((PMemBlock) fb.free);
- retval = DRM_ERR(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)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 {
- fb.offset = 0;
- fb.size = 0;
- fb.free = 0;
+ mem.offset = 0;
+ mem.size = 0;
+ mem.free = 0;
+ retval = DRM_ERR(ENOMEM);
}
- DRM_COPY_TO_USER_IOCTL(argp, fb, sizeof(fb));
+ DRM_COPY_TO_USER_IOCTL(argp, mem, sizeof(mem));
- DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size, fb.offset);
+ DRM_DEBUG("alloc %d, size = %d, offset = %d\n", pool, mem.size,
+ mem.offset);
return retval;
}
-static int sis_fb_free(DRM_IOCTL_ARGS)
+static int sis_drm_free(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_sis_private_t *dev_priv = dev->dev_private;
- drm_sis_mem_t fb;
+ drm_sis_mem_t mem;
+ int ret;
- if (dev_priv == NULL || dev_priv->FBHeap == NULL)
- return DRM_ERR(EINVAL);
-
- DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *) data, sizeof(fb));
+ DRM_COPY_FROM_USER_IOCTL(mem, (drm_sis_mem_t __user *) data,
+ sizeof(mem));
- if (!mmBlockInHeap(dev_priv->FBHeap, (PMemBlock) fb.free))
- return DRM_ERR(EINVAL);
+ 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);
- if (!del_alloc_set(fb.context, VIDEO_TYPE, fb.free))
- return DRM_ERR(EINVAL);
- mmFreeMem((PMemBlock) fb.free);
-
- DRM_DEBUG("free fb, free = 0x%lx\n", fb.free);
-
- return 0;
+ return ret;
}
-#endif
-
-/* agp memory management */
+static int sis_fb_alloc(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ return sis_drm_alloc(dev, priv, data, VIDEO_TYPE);
+}
static int sis_ioctl_agp_init(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_sis_private_t *dev_priv = dev->dev_private;
drm_sis_agp_t agp;
-
- if (dev_priv == NULL) {
- dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t),
- DRM_MEM_DRIVER);
- dev_priv = dev->dev_private;
- if (dev_priv == NULL)
- return ENOMEM;
- }
-
- if (dev_priv->AGPHeap != NULL)
- return DRM_ERR(EINVAL);
+ int ret;
+ dev_priv = dev->dev_private;
DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_agp_t __user *) data,
sizeof(agp));
+ 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->AGPHeap = mmInit(agp.offset, agp.size);
+ dev_priv->agp_initialized = TRUE;
+ dev_priv->agp_offset = agp.offset;
+ mutex_unlock(&dev->struct_mutex);
DRM_DEBUG("offset = %u, size = %u", agp.offset, agp.size);
-
return 0;
}
static int sis_ioctl_agp_alloc(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
- drm_sis_private_t *dev_priv = dev->dev_private;
- drm_sis_mem_t __user *argp = (drm_sis_mem_t __user *)data;
- drm_sis_mem_t agp;
- PMemBlock block;
- int retval = 0;
-
- if (dev_priv == NULL || dev_priv->AGPHeap == NULL)
- return DRM_ERR(EINVAL);
-
- DRM_COPY_FROM_USER_IOCTL(agp, argp, sizeof(agp));
-
- block = mmAllocMem(dev_priv->AGPHeap, agp.size, 0, 0);
- if (block) {
- /* TODO */
- agp.offset = block->ofs;
- agp.free = (unsigned long)block;
- if (!add_alloc_set(agp.context, AGP_TYPE, agp.free)) {
- DRM_DEBUG("adding to allocation set fails\n");
- mmFreeMem((PMemBlock) agp.free);
- retval = -1;
- }
- } else {
- agp.offset = 0;
- agp.size = 0;
- agp.free = 0;
- }
- DRM_COPY_TO_USER_IOCTL(argp, agp, sizeof(agp));
-
- DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size, agp.offset);
-
- return retval;
+ return sis_drm_alloc(dev, priv, data, AGP_TYPE);
}
-static int sis_ioctl_agp_free(DRM_IOCTL_ARGS)
+void sis_lastclose(struct drm_device *dev)
{
- DRM_DEVICE;
drm_sis_private_t *dev_priv = dev->dev_private;
- drm_sis_mem_t agp;
-
- if (dev_priv == NULL || dev_priv->AGPHeap == NULL)
- return DRM_ERR(EINVAL);
-
- DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_mem_t __user *) data,
- sizeof(agp));
-
- if (!mmBlockInHeap(dev_priv->AGPHeap, (PMemBlock) agp.free))
- return DRM_ERR(EINVAL);
-
- mmFreeMem((PMemBlock) agp.free);
- if (!del_alloc_set(agp.context, AGP_TYPE, agp.free))
- return DRM_ERR(EINVAL);
-
- DRM_DEBUG("free agp, free = 0x%lx\n", agp.free);
- return 0;
-}
-
-int sis_init_context(struct drm_device *dev, int context)
-{
- int i;
+ if (!dev_priv)
+ return;
- for (i = 0; i < MAX_CONTEXT; i++) {
- if (global_ppriv[i].used &&
- (global_ppriv[i].context == context))
- break;
- }
-
- if (i >= MAX_CONTEXT) {
- for (i = 0; i < MAX_CONTEXT; i++) {
- if (!global_ppriv[i].used) {
- global_ppriv[i].context = context;
- global_ppriv[i].used = 1;
- global_ppriv[i].sets[0] = setInit();
- global_ppriv[i].sets[1] = setInit();
- DRM_DEBUG("init allocation set, socket=%d, "
- "context = %d\n", i, context);
- break;
- }
- }
- if ((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) ||
- (global_ppriv[i].sets[1] == NULL)) {
- return 0;
- }
- }
-
- return 1;
+ mutex_lock(&dev->struct_mutex);
+ drm_sman_cleanup(&dev_priv->sman);
+ dev_priv->vram_initialized = FALSE;
+ dev_priv->agp_initialized = FALSE;
+ mutex_unlock(&dev->struct_mutex);
}
-int sis_final_context(struct drm_device *dev, int context)
+void sis_reclaim_buffers_locked(drm_device_t * dev, struct file *filp)
{
- int i;
+ drm_sis_private_t *dev_priv = dev->dev_private;
+ drm_file_t *priv = filp->private_data;
- for (i = 0; i < MAX_CONTEXT; i++) {
- if (global_ppriv[i].used &&
- (global_ppriv[i].context == context))
- break;
+ mutex_lock(&dev->struct_mutex);
+ if (drm_sman_owner_clean(&dev_priv->sman, (unsigned long)priv)) {
+ mutex_unlock(&dev->struct_mutex);
+ return;
}
- if (i < MAX_CONTEXT) {
- set_t *set;
- ITEM_TYPE item;
- int retval;
-
- DRM_DEBUG("find socket %d, context = %d\n", i, context);
-
- /* Video Memory */
- set = global_ppriv[i].sets[0];
- retval = setFirst(set, &item);
- while (retval) {
- DRM_DEBUG("free video memory 0x%lx\n", item);
-#if defined(__linux__) && defined(CONFIG_FB_SIS)
- sis_free(item);
-#else
- mmFreeMem((PMemBlock) item);
-#endif
- retval = setNext(set, &item);
- }
- setDestroy(set);
-
- /* AGP Memory */
- set = global_ppriv[i].sets[1];
- retval = setFirst(set, &item);
- while (retval) {
- DRM_DEBUG("free agp memory 0x%lx\n", item);
- mmFreeMem((PMemBlock) item);
- retval = setNext(set, &item);
- }
- setDestroy(set);
-
- global_ppriv[i].used = 0;
+ if (dev->driver->dma_quiescent) {
+ dev->driver->dma_quiescent(dev);
}
- return 1;
+ drm_sman_owner_cleanup(&dev_priv->sman, (unsigned long)priv);
+ mutex_unlock(&dev->struct_mutex);
+ return;
}
drm_ioctl_desc_t sis_ioctls[] = {
[DRM_IOCTL_NR(DRM_SIS_FB_ALLOC)] = {sis_fb_alloc, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_SIS_FB_FREE)] = {sis_fb_free, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_SIS_AGP_INIT)] = {sis_ioctl_agp_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_SIS_FB_FREE)] = {sis_drm_free, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_SIS_AGP_INIT)] =
+ {sis_ioctl_agp_init, DRM_AUTH | DRM_MASTER | DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_SIS_AGP_ALLOC)] = {sis_ioctl_agp_alloc, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_SIS_AGP_FREE)] = {sis_ioctl_agp_free, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_SIS_FB_INIT)] = {sis_fb_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}
+ [DRM_IOCTL_NR(DRM_SIS_AGP_FREE)] = {sis_drm_free, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_SIS_FB_INIT)] =
+ {sis_fb_init, DRM_AUTH | DRM_MASTER | DRM_ROOT_ONLY}
};
int sis_max_ioctl = DRM_ARRAY_SIZE(sis_ioctls);
DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
.load = via_driver_load,
.unload = via_driver_unload,
- .context_ctor = via_init_context,
.context_dtor = via_final_context,
.vblank_wait = via_driver_vblank_wait,
.irq_preinstall = via_driver_irq_preinstall,
.dma_quiescent = via_driver_dma_quiescent,
.dri_library_name = dri_library_name,
.reclaim_buffers = drm_core_reclaim_buffers,
+ .reclaim_buffers_locked = via_reclaim_buffers_locked,
+ .lastclose = via_lastclose,
.get_map_ofs = drm_core_get_map_ofs,
.get_reg_ofs = drm_core_get_reg_ofs,
.ioctls = via_ioctls,
#ifndef _VIA_DRV_H_
#define _VIA_DRV_H_
+#include "drm_sman.h"
#define DRIVER_AUTHOR "Various"
#define DRIVER_NAME "via"
#define DRIVER_DESC "VIA Unichrome / Pro"
-#define DRIVER_DATE "20051116"
+#define DRIVER_DATE "20060529"
#define DRIVER_MAJOR 2
-#define DRIVER_MINOR 7
-#define DRIVER_PATCHLEVEL 4
+#define DRIVER_MINOR 10
+#define DRIVER_PATCHLEVEL 0
#include "via_verifier.h"
uint32_t irq_enable_mask;
uint32_t irq_pending_mask;
int *irq_map;
+ unsigned int idle_fault;
+ drm_sman_t sman;
+ int vram_initialized;
+ int agp_initialized;
+ unsigned long vram_offset;
+ unsigned long agp_offset;
drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES];
} drm_via_private_t;
extern void via_cleanup_futex(drm_via_private_t * dev_priv);
extern void via_release_futex(drm_via_private_t * dev_priv, int context);
+extern void via_reclaim_buffers_locked(drm_device_t *dev, struct file *filp);
+extern void via_lastclose(drm_device_t *dev);
+
extern void via_dmablit_handler(drm_device_t *dev, int engine, int from_irq);
extern void via_init_dmablit(drm_device_t *dev);
+++ /dev/null
-/*
- * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
- * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
- * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
- *
- * 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
- * VIA, S3 GRAPHICS, 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 "via_ds.h"
-extern unsigned int VIA_DEBUG;
-
-set_t *via_setInit(void)
-{
- int i;
- set_t *set;
- set = (set_t *) drm_alloc(sizeof(set_t), DRM_MEM_DRIVER);
- for (i = 0; i < SET_SIZE; i++) {
- set->list[i].free_next = i + 1;
- set->list[i].alloc_next = -1;
- }
- set->list[SET_SIZE - 1].free_next = -1;
- set->free = 0;
- set->alloc = -1;
- set->trace = -1;
- return set;
-}
-
-int via_setAdd(set_t * set, ITEM_TYPE item)
-{
- int free = set->free;
- if (free != -1) {
- set->list[free].val = item;
- set->free = set->list[free].free_next;
- } else {
- return 0;
- }
- set->list[free].alloc_next = set->alloc;
- set->alloc = free;
- set->list[free].free_next = -1;
- return 1;
-}
-
-int via_setDel(set_t * set, ITEM_TYPE item)
-{
- int alloc = set->alloc;
- int prev = -1;
-
- while (alloc != -1) {
- if (set->list[alloc].val == item) {
- if (prev != -1)
- set->list[prev].alloc_next =
- set->list[alloc].alloc_next;
- else
- set->alloc = set->list[alloc].alloc_next;
- break;
- }
- prev = alloc;
- alloc = set->list[alloc].alloc_next;
- }
-
- if (alloc == -1)
- return 0;
-
- set->list[alloc].free_next = set->free;
- set->free = alloc;
- set->list[alloc].alloc_next = -1;
-
- return 1;
-}
-
-/* setFirst -> setAdd -> setNext is wrong */
-
-int via_setFirst(set_t * set, ITEM_TYPE * item)
-{
- if (set->alloc == -1)
- return 0;
-
- *item = set->list[set->alloc].val;
- set->trace = set->list[set->alloc].alloc_next;
-
- return 1;
-}
-
-int via_setNext(set_t * set, ITEM_TYPE * item)
-{
- if (set->trace == -1)
- return 0;
-
- *item = set->list[set->trace].val;
- set->trace = set->list[set->trace].alloc_next;
-
- return 1;
-}
-
-int via_setDestroy(set_t * set)
-{
- drm_free(set, sizeof(set_t), DRM_MEM_DRIVER);
-
- return 1;
-}
-
-#define ISFREE(bptr) ((bptr)->free)
-
-#define fprintf(fmt, arg...) do{}while(0)
-
-memHeap_t *via_mmInit(int ofs, int size)
-{
- PMemBlock blocks;
-
- if (size <= 0)
- return NULL;
-
- blocks = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock), DRM_MEM_DRIVER);
-
- if (blocks) {
- blocks->ofs = ofs;
- blocks->size = size;
- blocks->free = 1;
- return (memHeap_t *) blocks;
- } else
- return NULL;
-}
-
-static TMemBlock *SliceBlock(TMemBlock * p,
- int startofs, int size,
- int reserved, int alignment)
-{
- TMemBlock *newblock;
-
- /* break left */
- if (startofs > p->ofs) {
- newblock =
- (TMemBlock *) drm_calloc(1, sizeof(TMemBlock),
- DRM_MEM_DRIVER);
- newblock->ofs = startofs;
- newblock->size = p->size - (startofs - p->ofs);
- newblock->free = 1;
- newblock->next = p->next;
- p->size -= newblock->size;
- p->next = newblock;
- p = newblock;
- }
-
- /* break right */
- if (size < p->size) {
- newblock =
- (TMemBlock *) drm_calloc(1, sizeof(TMemBlock),
- DRM_MEM_DRIVER);
- newblock->ofs = startofs + size;
- newblock->size = p->size - size;
- newblock->free = 1;
- newblock->next = p->next;
- p->size = size;
- p->next = newblock;
- }
-
- /* p = middle block */
- p->align = alignment;
- p->free = 0;
- p->reserved = reserved;
- return p;
-}
-
-PMemBlock via_mmAllocMem(memHeap_t * heap, int size, int align2,
- int startSearch)
-{
- int mask, startofs, endofs;
- TMemBlock *p;
-
- if (!heap || align2 < 0 || size <= 0)
- return NULL;
-
- mask = (1 << align2) - 1;
- startofs = 0;
- p = (TMemBlock *) heap;
-
- while (p) {
- if (ISFREE(p)) {
- startofs = (p->ofs + mask) & ~mask;
-
- if (startofs < startSearch)
- startofs = startSearch;
-
- endofs = startofs + size;
-
- if (endofs <= (p->ofs + p->size))
- break;
- }
-
- p = p->next;
- }
-
- if (!p)
- return NULL;
-
- p = SliceBlock(p, startofs, size, 0, mask + 1);
- p->heap = heap;
-
- return p;
-}
-
-static __inline__ int Join2Blocks(TMemBlock * p)
-{
- if (p->free && p->next && p->next->free) {
- TMemBlock *q = p->next;
- p->size += q->size;
- p->next = q->next;
- drm_free(q, sizeof(TMemBlock), DRM_MEM_DRIVER);
-
- return 1;
- }
-
- return 0;
-}
-
-int via_mmFreeMem(PMemBlock b)
-{
- TMemBlock *p, *prev;
-
- if (!b)
- return 0;
-
- if (!b->heap) {
- fprintf(stderr, "no heap\n");
-
- return -1;
- }
-
- p = b->heap;
- prev = NULL;
-
- while (p && p != b) {
- prev = p;
- p = p->next;
- }
-
- if (!p || p->free || p->reserved) {
- if (!p)
- fprintf(stderr, "block not found in heap\n");
- else if (p->free)
- fprintf(stderr, "block already free\n");
- else
- fprintf(stderr, "block is reserved\n");
-
- return -1;
- }
-
- p->free = 1;
- Join2Blocks(p);
-
- if (prev)
- Join2Blocks(prev);
-
- return 0;
-}
+++ /dev/null
-/*
- * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
- * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
- * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
- * 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
- * VIA, S3 GRAPHICS, 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 _via_ds_h_
-#define _via_ds_h_
-
-#include "drmP.h"
-
-/* Set Data Structure */
-#define SET_SIZE 5000
-typedef unsigned long ITEM_TYPE;
-
-typedef struct {
- ITEM_TYPE val;
- int alloc_next, free_next;
-} list_item_t;
-
-typedef struct {
- int alloc;
- int free;
- int trace;
- list_item_t list[SET_SIZE];
-} set_t;
-
-set_t *via_setInit(void);
-int via_setAdd(set_t * set, ITEM_TYPE item);
-int via_setDel(set_t * set, ITEM_TYPE item);
-int via_setFirst(set_t * set, ITEM_TYPE * item);
-int via_setNext(set_t * set, ITEM_TYPE * item);
-int via_setDestroy(set_t * set);
-
-#endif
-
-#ifndef MM_INC
-#define MM_INC
-
-struct mem_block_t {
- struct mem_block_t *next;
- struct mem_block_t *heap;
- int ofs, size;
- int align;
- unsigned int free:1;
- unsigned int reserved:1;
-};
-typedef struct mem_block_t TMemBlock;
-typedef struct mem_block_t *PMemBlock;
-
-/* a heap is just the first block in a chain */
-typedef struct mem_block_t memHeap_t;
-
-static __inline__ int mmBlockSize(PMemBlock b)
-{
- return b->size;
-}
-
-static __inline__ int mmOffset(PMemBlock b)
-{
- return b->ofs;
-}
-
-static __inline__ void mmMarkReserved(PMemBlock b)
-{
- b->reserved = 1;
-}
-
-/*
- * input: total size in bytes
- * return: a heap pointer if OK, NULL if error
- */
-memHeap_t *via_mmInit(int ofs, int size);
-
-PMemBlock via_mmAllocMem(memHeap_t * heap, int size, int align2,
- int startSearch);
-
-/*
- * Free block starts at offset
- * input: pointer to a block
- * return: 0 if OK, -1 if error
- */
-int via_mmFreeMem(PMemBlock b);
-
-#endif
int via_driver_load(drm_device_t *dev, unsigned long chipset)
{
drm_via_private_t *dev_priv;
+ int ret = 0;
dev_priv = drm_calloc(1, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
if (dev_priv == NULL)
if (chipset == VIA_PRO_GROUP_A)
dev_priv->pro_group_a = 1;
- return 0;
+ ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
+ if (ret) {
+ drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
+ }
+ return ret;
}
int via_driver_unload(drm_device_t *dev)
{
drm_via_private_t *dev_priv = dev->dev_private;
+ drm_sman_takedown(&dev_priv->sman);
+
drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
return 0;
/*
- * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
- * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ * 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"),
* 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
- * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
+ */
+
#include "drmP.h"
#include "via_drm.h"
#include "via_drv.h"
-#include "via_ds.h"
-#include "via_mm.h"
-
-#define MAX_CONTEXT 100
-
-typedef struct {
- int used;
- int context;
- set_t *sets[2]; /* 0 for frame buffer, 1 for AGP , 2 for System */
-} via_context_t;
-
-static via_context_t global_ppriv[MAX_CONTEXT];
+#include "drm_sman.h"
-static int via_agp_alloc(drm_via_mem_t * mem);
-static int via_agp_free(drm_via_mem_t * mem);
-static int via_fb_alloc(drm_via_mem_t * mem);
-static int via_fb_free(drm_via_mem_t * mem);
-
-static int add_alloc_set(int context, int type, unsigned long val)
-{
- int i, retval = 0;
-
- for (i = 0; i < MAX_CONTEXT; i++) {
- if (global_ppriv[i].used && global_ppriv[i].context == context) {
- retval = via_setAdd(global_ppriv[i].sets[type], val);
- break;
- }
- }
-
- return retval;
-}
-
-static int del_alloc_set(int context, int type, unsigned long val)
-{
- int i, retval = 0;
-
- for (i = 0; i < MAX_CONTEXT; i++)
- if (global_ppriv[i].used && global_ppriv[i].context == context) {
- retval = via_setDel(global_ppriv[i].sets[type], val);
- break;
- }
-
- return retval;
-}
-
-/* agp memory management */
-static memHeap_t *AgpHeap = NULL;
+#define VIA_MM_ALIGN_SHIFT 4
+#define VIA_MM_ALIGN_MASK ( (1 << VIA_MM_ALIGN_SHIFT) - 1)
int via_agp_init(DRM_IOCTL_ARGS)
{
+ DRM_DEVICE;
drm_via_agp_t agp;
+ drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+ int ret;
DRM_COPY_FROM_USER_IOCTL(agp, (drm_via_agp_t __user *) data,
sizeof(agp));
+ mutex_lock(&dev->struct_mutex);
+ ret = drm_sman_set_range(&dev_priv->sman, VIA_MEM_AGP, 0,
+ agp.size >> VIA_MM_ALIGN_SHIFT);
+
+ if (ret) {
+ DRM_ERROR("AGP memory manager initialisation error\n");
+ mutex_unlock(&dev->struct_mutex);
+ return ret;
+ }
- AgpHeap = via_mmInit(agp.offset, agp.size);
-
- DRM_DEBUG("offset = %lu, size = %lu", (unsigned long)agp.offset,
- (unsigned long)agp.size);
+ dev_priv->agp_initialized = TRUE;
+ dev_priv->agp_offset = agp.offset;
+ mutex_unlock(&dev->struct_mutex);
+ DRM_DEBUG("offset = %u, size = %u", agp.offset, agp.size);
return 0;
}
-/* fb memory management */
-static memHeap_t *FBHeap = NULL;
-
int via_fb_init(DRM_IOCTL_ARGS)
{
+ DRM_DEVICE;
drm_via_fb_t fb;
+ drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+ int ret;
DRM_COPY_FROM_USER_IOCTL(fb, (drm_via_fb_t __user *) data, sizeof(fb));
- FBHeap = via_mmInit(fb.offset, fb.size);
+ mutex_lock(&dev->struct_mutex);
+ ret = drm_sman_set_range(&dev_priv->sman, VIA_MEM_VIDEO, 0,
+ fb.size >> VIA_MM_ALIGN_SHIFT);
- DRM_DEBUG("offset = %lu, size = %lu", (unsigned long)fb.offset,
- (unsigned long)fb.size);
+ if (ret) {
+ DRM_ERROR("VRAM memory manager initialisation error\n");
+ mutex_unlock(&dev->struct_mutex);
+ return ret;
+ }
- return 0;
-}
+ dev_priv->vram_initialized = TRUE;
+ dev_priv->vram_offset = fb.offset;
-int via_init_context(struct drm_device *dev, int context)
-{
- int i;
-
- for (i = 0; i < MAX_CONTEXT; i++)
- if (global_ppriv[i].used &&
- (global_ppriv[i].context == context))
- break;
-
- if (i >= MAX_CONTEXT) {
- for (i = 0; i < MAX_CONTEXT; i++) {
- if (!global_ppriv[i].used) {
- global_ppriv[i].context = context;
- global_ppriv[i].used = 1;
- global_ppriv[i].sets[0] = via_setInit();
- global_ppriv[i].sets[1] = via_setInit();
- DRM_DEBUG("init allocation set, socket=%d,"
- " context = %d\n", i, context);
- break;
- }
- }
-
- if ((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) ||
- (global_ppriv[i].sets[1] == NULL)) {
- return 0;
- }
- }
+ mutex_unlock(&dev->struct_mutex);
+ DRM_DEBUG("offset = %u, size = %u", fb.offset, fb.size);
+
+ return 0;
- return 1;
}
int via_final_context(struct drm_device *dev, int context)
{
- int i;
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
- for (i = 0; i < MAX_CONTEXT; i++)
- if (global_ppriv[i].used &&
- (global_ppriv[i].context == context))
- break;
-
- if (i < MAX_CONTEXT) {
- set_t *set;
- ITEM_TYPE item;
- int retval;
-
- DRM_DEBUG("find socket %d, context = %d\n", i, context);
-
- /* Video Memory */
- set = global_ppriv[i].sets[0];
- retval = via_setFirst(set, &item);
- while (retval) {
- DRM_DEBUG("free video memory 0x%lx\n", item);
- via_mmFreeMem((PMemBlock) item);
- retval = via_setNext(set, &item);
- }
- via_setDestroy(set);
-
- /* AGP Memory */
- set = global_ppriv[i].sets[1];
- retval = via_setFirst(set, &item);
- while (retval) {
- DRM_DEBUG("free agp memory 0x%lx\n", item);
- via_mmFreeMem((PMemBlock) item);
- retval = via_setNext(set, &item);
- }
- via_setDestroy(set);
- global_ppriv[i].used = 0;
- }
via_release_futex(dev_priv, context);
-#if defined(__linux__)
/* Linux specific until context tracking code gets ported to BSD */
/* Last context, perform cleanup */
if (dev->ctx_count == 1 && dev->dev_private) {
DRM_DEBUG("Last Context\n");
if (dev->irq)
drm_irq_uninstall(dev);
-
via_cleanup_futex(dev_priv);
via_do_cleanup_map(dev);
}
-#endif
-
return 1;
}
+void via_lastclose(struct drm_device *dev)
+{
+ drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+
+ if (!dev_priv)
+ return;
+
+ mutex_lock(&dev->struct_mutex);
+ drm_sman_cleanup(&dev_priv->sman);
+ dev_priv->vram_initialized = FALSE;
+ dev_priv->agp_initialized = FALSE;
+ mutex_unlock(&dev->struct_mutex);
+}
+
int via_mem_alloc(DRM_IOCTL_ARGS)
{
+ DRM_DEVICE;
+
drm_via_mem_t mem;
+ int retval = 0;
+ drm_memblock_item_t *item;
+ drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+ unsigned long tmpSize;
DRM_COPY_FROM_USER_IOCTL(mem, (drm_via_mem_t __user *) data,
sizeof(mem));
- switch (mem.type) {
- case VIA_MEM_VIDEO:
- if (via_fb_alloc(&mem) < 0)
- return -EFAULT;
- DRM_COPY_TO_USER_IOCTL((drm_via_mem_t __user *) data, mem,
- sizeof(mem));
- return 0;
- case VIA_MEM_AGP:
- if (via_agp_alloc(&mem) < 0)
- return -EFAULT;
- DRM_COPY_TO_USER_IOCTL((drm_via_mem_t __user *) data, mem,
- sizeof(mem));
- return 0;
+ if (mem.type > VIA_MEM_AGP) {
+ DRM_ERROR("Unknown memory type allocation\n");
+ return DRM_ERR(EINVAL);
}
-
- return -EFAULT;
-}
-
-static int via_fb_alloc(drm_via_mem_t * mem)
-{
- drm_via_mm_t fb;
- PMemBlock block;
- int retval = 0;
-
- if (!FBHeap)
- return -1;
-
- fb.size = mem->size;
- fb.context = mem->context;
-
- block = via_mmAllocMem(FBHeap, fb.size, 5, 0);
- if (block) {
- fb.offset = block->ofs;
- fb.free = (unsigned long)block;
- if (!add_alloc_set(fb.context, VIA_MEM_VIDEO, fb.free)) {
- DRM_DEBUG("adding to allocation set fails\n");
- via_mmFreeMem((PMemBlock) fb.free);
- retval = -1;
- }
- } else {
- fb.offset = 0;
- fb.size = 0;
- fb.free = 0;
- retval = -1;
+ mutex_lock(&dev->struct_mutex);
+ if (FALSE == ((mem.type == VIA_MEM_VIDEO) ? dev_priv->vram_initialized :
+ dev_priv->agp_initialized)) {
+ DRM_ERROR
+ ("Attempt to allocate from uninitialized memory manager.\n");
+ mutex_unlock(&dev->struct_mutex);
+ return DRM_ERR(EINVAL);
}
- mem->offset = fb.offset;
- mem->index = fb.free;
-
- DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size,
- (int)fb.offset);
-
- return retval;
-}
-
-static int via_agp_alloc(drm_via_mem_t * mem)
-{
- drm_via_mm_t agp;
- PMemBlock block;
- int retval = 0;
-
- if (!AgpHeap)
- return -1;
-
- agp.size = mem->size;
- agp.context = mem->context;
-
- block = via_mmAllocMem(AgpHeap, agp.size, 5, 0);
- if (block) {
- agp.offset = block->ofs;
- agp.free = (unsigned long)block;
- if (!add_alloc_set(agp.context, VIA_MEM_AGP, agp.free)) {
- DRM_DEBUG("adding to allocation set fails\n");
- via_mmFreeMem((PMemBlock) agp.free);
- retval = -1;
- }
+ tmpSize = (mem.size + VIA_MM_ALIGN_MASK) >> VIA_MM_ALIGN_SHIFT;
+ item = drm_sman_alloc(&dev_priv->sman, mem.type, tmpSize, 0,
+ (unsigned long)priv);
+ mutex_unlock(&dev->struct_mutex);
+ if (item) {
+ mem.offset = ((mem.type == VIA_MEM_VIDEO) ?
+ dev_priv->vram_offset : dev_priv->agp_offset) +
+ (item->mm->
+ offset(item->mm, item->mm_info) << VIA_MM_ALIGN_SHIFT);
+ mem.index = item->user_hash.key;
} else {
- agp.offset = 0;
- agp.size = 0;
- agp.free = 0;
+ mem.offset = 0;
+ mem.size = 0;
+ mem.index = 0;
+ DRM_DEBUG("Video memory allocation failed\n");
+ retval = DRM_ERR(ENOMEM);
}
+ DRM_COPY_TO_USER_IOCTL((drm_via_mem_t __user *) data, mem, sizeof(mem));
- mem->offset = agp.offset;
- mem->index = agp.free;
-
- DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size,
- (unsigned int)agp.offset);
return retval;
}
int via_mem_free(DRM_IOCTL_ARGS)
{
+ DRM_DEVICE;
+ drm_via_private_t *dev_priv = dev->dev_private;
drm_via_mem_t mem;
+ int ret;
DRM_COPY_FROM_USER_IOCTL(mem, (drm_via_mem_t __user *) data,
sizeof(mem));
- switch (mem.type) {
+ mutex_lock(&dev->struct_mutex);
+ ret = drm_sman_free_key(&dev_priv->sman, mem.index);
+ mutex_unlock(&dev->struct_mutex);
+ DRM_DEBUG("free = 0x%lx\n", mem.index);
- case VIA_MEM_VIDEO:
- if (via_fb_free(&mem) == 0)
- return 0;
- break;
- case VIA_MEM_AGP:
- if (via_agp_free(&mem) == 0)
- return 0;
- break;
- }
-
- return -EFAULT;
+ return ret;
}
-static int via_fb_free(drm_via_mem_t * mem)
-{
- drm_via_mm_t fb;
- int retval = 0;
-
- if (!FBHeap) {
- return -1;
- }
-
- fb.free = mem->index;
- fb.context = mem->context;
-
- if (!fb.free) {
- return -1;
-
- }
-
- via_mmFreeMem((PMemBlock) fb.free);
-
- if (!del_alloc_set(fb.context, VIA_MEM_VIDEO, fb.free)) {
- retval = -1;
- }
-
- DRM_DEBUG("free fb, free = %ld\n", fb.free);
- return retval;
-}
-
-static int via_agp_free(drm_via_mem_t * mem)
+void via_reclaim_buffers_locked(drm_device_t * dev, struct file *filp)
{
- drm_via_mm_t agp;
-
- int retval = 0;
+ drm_via_private_t *dev_priv = dev->dev_private;
+ drm_file_t *priv = filp->private_data;
- agp.free = mem->index;
- agp.context = mem->context;
-
- if (!agp.free)
- return -1;
-
- via_mmFreeMem((PMemBlock) agp.free);
-
- if (!del_alloc_set(agp.context, VIA_MEM_AGP, agp.free)) {
- retval = -1;
+ mutex_lock(&dev->struct_mutex);
+ if (drm_sman_owner_clean(&dev_priv->sman, (unsigned long)priv)) {
+ mutex_unlock(&dev->struct_mutex);
+ return;
}
- DRM_DEBUG("free agp, free = %ld\n", agp.free);
+ if (dev->driver->dma_quiescent) {
+ dev->driver->dma_quiescent(dev);
+ }
- return retval;
+ drm_sman_owner_cleanup(&dev_priv->sman, (unsigned long)priv);
+ mutex_unlock(&dev->struct_mutex);
+ return;
}
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff