initial import of nouveau code from nouveau CVS

1 files changed, 168 insertions, 0 deletions

diff --git a/shared-core/nouveau_drv.h b/shared-core/nouveau_drv.h
new file mode 100644
index 00000000..c4f9718d
--- /dev/null
+++ b/shared-core/nouveau_drv.h
@@ -0,0 +1,168 @@
+/*
+ * Copyright 2005 Stephane Marchesin.
+ * 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
+ * VA LINUX SYSTEMS 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 __NOUVEAU_DRV_H__
+#define __NOUVEAU_DRV_H__
+
+#define DRIVER_AUTHOR		"Stephane Marchesin"
+#define DRIVER_EMAIL		"dri-devel@lists.sourceforge.net"
+
+#define DRIVER_NAME		"nouveau"
+#define DRIVER_DESC		"nVidia Riva/TNT/GeForce"
+#define DRIVER_DATE		"20060213"
+
+#define DRIVER_MAJOR		1
+#define DRIVER_MINOR		0
+#define DRIVER_PATCHLEVEL	0
+
+#define NOUVEAU_FAMILY   0x0000FFFF
+#define NOUVEAU_FLAGS    0xFFFF0000
+
+#include "nouveau_drm.h"
+#include "nouveau_reg.h"
+
+enum nouveau_flags {
+	NV_NFORCE   =0x10000000,
+	NV_NFORCE2  =0x20000000
+};
+
+struct nouveau_object
+{
+	struct nouveau_object *next;
+	struct nouveau_object *prev;
+
+	uint32_t handle;
+	int      class;
+	int      engine;
+	uint32_t instance;
+	uint32_t ht_loc;
+};
+
+#define NV_DMA_TARGET_VIDMEM 0
+#define NV_DMA_TARGET_PCI    2
+#define NV_DMA_TARGET_AGP    3
+struct nouveau_fifo
+{
+	int used;
+	/* owner of this fifo */
+	DRMFILE filp;
+	/* mapping of the fifo itself */
+	drm_local_map_t *map;
+	/* mapping of the regs controling the fifo */
+	drm_local_map_t *regs;
+	/* objects belonging to this fifo */
+	struct nouveau_object *objs;
+};
+
+struct nouveau_object_store
+{
+	int ht_bits;
+	int ht_size;
+	int ht_base;
+
+	uint32_t *inst_bmap;
+	uint32_t first_instance;
+	int      num_instance;
+	int      free_instance;
+};
+
+struct mem_block {
+	struct mem_block *next;
+	struct mem_block *prev;
+	uint64_t start;
+	uint64_t size;
+	DRMFILE filp;           /* 0: free, -1: heap, other: real files */
+	int flags;
+	drm_local_map_t *map;
+};
+
+typedef struct drm_nouveau_private {
+	/* the card type, takes NV_* as values */
+	int card_type;
+	int flags;
+
+	drm_local_map_t *mmio;
+	drm_local_map_t *fb;
+
+	int64_t fb_usable_size;
+
+	int      cur_fifo;
+
+	struct nouveau_object *fb_obj;
+	struct nouveau_object *cmdbuf_obj;
+	int      cmdbuf_location;
+	int      cmdbuf_base;
+	int      cmdbuf_ch_size;
+	struct mem_block* cmdbuf_alloc;
+
+	struct nouveau_fifo fifos[NV_MAX_FIFO_NUMBER];
+	struct nouveau_object_store objs;
+
+	struct mem_block *agp_heap;
+	struct mem_block *fb_heap;
+	struct mem_block *fb_nomap_heap;
+
+}
+drm_nouveau_private_t;
+
+/* nouveau_state.c */
+extern void nouveau_preclose(drm_device_t * dev, DRMFILE filp);
+extern int nouveau_load(struct drm_device *dev, unsigned long flags);
+extern int nouveau_firstopen(struct drm_device *dev);
+extern int nouveau_unload(struct drm_device *dev);
+
+/* nouveau_mem.c */
+extern uint64_t          nouveau_mem_fb_amount(struct drm_device *dev);
+extern void              nouveau_mem_release(DRMFILE filp, struct mem_block *heap);
+extern int               nouveau_ioctl_mem_alloc(DRM_IOCTL_ARGS);
+extern int               nouveau_ioctl_mem_free(DRM_IOCTL_ARGS);
+extern struct mem_block* nouveau_mem_alloc(struct drm_device *dev, int alignment, uint64_t size, int flags, DRMFILE filp);
+extern void              nouveau_mem_free(struct drm_device* dev, struct mem_block*);
+extern int               nouveau_mem_init(struct drm_device *dev);
+extern void              nouveau_mem_close(struct drm_device *dev);
+
+/* nouveau_fifo.c */
+extern int  nouveau_fifo_number(drm_device_t *dev);
+extern void nouveau_fifo_cleanup(drm_device_t *dev, DRMFILE filp);
+extern int  nouveau_fifo_id_get(drm_device_t *dev, DRMFILE filp);
+
+/* nouveau_object.c */
+extern void nouveau_hash_table_init(drm_device_t *dev);
+extern void nouveau_object_cleanup(drm_device_t *dev, DRMFILE filp);
+extern struct nouveau_object *nouveau_dma_object_create(drm_device_t *dev,
+		uint32_t offset, uint32_t size, int access, uint32_t target);
+extern int  nouveau_ioctl_object_init(DRM_IOCTL_ARGS);
+extern int  nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS);
+
+/* nouveau_irq.c */
+extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
+extern void        nouveau_irq_preinstall(drm_device_t*);
+extern void        nouveau_irq_postinstall(drm_device_t*);
+extern void        nouveau_irq_uninstall(drm_device_t*);
+
+#define NV_READ(reg)        DRM_READ32(  dev_priv->mmio, (reg) )
+#define NV_WRITE(reg,val)   DRM_WRITE32( dev_priv->mmio, (reg), (val) )
+
+#endif /* __NOUVEAU_DRV_H__ */
+