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-rw-r--r--drivers/gpu/drm/sis/Makefile10
-rw-r--r--drivers/gpu/drm/sis/sis_drv.c117
-rw-r--r--drivers/gpu/drm/sis/sis_drv.h73
-rw-r--r--drivers/gpu/drm/sis/sis_mm.c333
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 00000000000..441c061c3ad
--- /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 00000000000..7dacc64e9b5
--- /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 00000000000..ef940bad63f
--- /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 00000000000..b3878770fce
--- /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);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-14 10:26:07 +0000