drm: add drm simple memory manager support for SiS and VIA drivers

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>

drivers/char/drm/Makefile

@@ -16,9 +16,9 @@ i830-objs   := i830_drv.o i830_dma.o i830_irq.o
 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

drivers/char/drm/sis_drv.c

@@ -35,11 +35,43 @@ static struct pci_device_id pciidlist[] = {
 	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,

drivers/char/drm/sis_drv.h

@@ -31,23 +31,29 @@
 /* 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;