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path: root/shared-core/nouveau_drv.h
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/*
 * 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		0
#define DRIVER_MINOR		0
#define DRIVER_PATCHLEVEL	9

#define NOUVEAU_FAMILY   0x0000FFFF
#define NOUVEAU_FLAGS    0xFFFF0000

#include "nouveau_drm.h"
#include "nouveau_reg.h"

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;
	drm_handle_t map_handle;
};

enum nouveau_flags {
	NV_NFORCE   =0x10000000,
	NV_NFORCE2  =0x20000000
};

#define NVOBJ_ENGINE_SW		0
#define NVOBJ_ENGINE_GR  	1
#define NVOBJ_ENGINE_INT	0xdeadbeef

#define NVOBJ_FLAG_ALLOW_NO_REFS	(1 << 0)
#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
#define NVOBJ_FLAG_FAKE			(1 << 3)
struct nouveau_gpuobj {
	struct nouveau_gpuobj *next;
	struct nouveau_gpuobj *prev;

	int im_channel;
	struct mem_block *im_pramin;
	struct mem_block *im_backing;
	int im_bound;

	uint32_t flags;
	int refcount;

	uint32_t engine;
	uint32_t class;
};

struct nouveau_gpuobj_ref {
	struct nouveau_gpuobj_ref *next;

	struct nouveau_gpuobj *gpuobj;
	uint32_t instance;

	int channel;
	int handle;
};

struct nouveau_fifo
{
	/* 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;

	/* DMA push buffer */
	struct nouveau_gpuobj_ref *pushbuf;
	struct mem_block          *pushbuf_mem;
	uint32_t                   pushbuf_base;

	/* Notifier memory */
	struct mem_block *notifier_block;
	struct mem_block *notifier_heap;
	drm_local_map_t  *notifier_map;

	/* PFIFO context */
	struct nouveau_gpuobj_ref *ramfc;

	/* PGRAPH context */
	struct nouveau_gpuobj_ref *ramin_grctx;
	uint32_t pgraph_ctx [340]; /* XXX dynamic alloc ? */

	/* NV50 VM */
	struct nouveau_gpuobj     *vm_pd;
	struct nouveau_gpuobj_ref *vm_gart_pt;

	/* Objects */
	struct nouveau_gpuobj_ref *ramin; /* Private instmem */
	struct mem_block          *ramin_heap; /* Private PRAMIN heap */
	struct nouveau_gpuobj_ref *ramht; /* Hash table */
	struct nouveau_gpuobj_ref *ramht_refs; /* Objects referenced by RAMHT */
};

struct nouveau_config {
	struct {
		int location;
		int size;
	} cmdbuf;
};

struct nouveau_engine_func {
	struct {
		void	*priv;

		int	(*init)(struct drm_device *dev);
		void	(*takedown)(struct drm_device *dev);

		int	(*populate)(struct drm_device *, struct nouveau_gpuobj *,
				    uint32_t *size);
		void	(*clear)(struct drm_device *, struct nouveau_gpuobj *);
		int	(*bind)(struct drm_device *, struct nouveau_gpuobj *);
		int	(*unbind)(struct drm_device *, struct nouveau_gpuobj *);
	} instmem;

	struct {
		int	(*init)(struct drm_device *dev);
		void	(*takedown)(struct drm_device *dev);
	} mc;

	struct {
		int	(*init)(struct drm_device *dev);
		uint64_t (*read)(struct drm_device *dev);
		void	(*takedown)(struct drm_device *dev);
	} timer;

	struct {
		int	(*init)(struct drm_device *dev);
		void	(*takedown)(struct drm_device *dev);
	} fb;

	struct {
		int	(*init)(struct drm_device *);
		void	(*takedown)(struct drm_device *);

		int	(*create_context)(struct drm_device *, int channel);
		void	(*destroy_context)(struct drm_device *, int channel);
		int	(*load_context)(struct drm_device *, int channel);
		int	(*save_context)(struct drm_device *, int channel);
	} graph;

	struct {
		void	*priv;

		int	(*init)(struct drm_device *);
		void	(*takedown)(struct drm_device *);

		int	(*create_context)(struct drm_device *, int channel);
		void	(*destroy_context)(struct drm_device *, int channel);
		int	(*load_context)(struct drm_device *, int channel);
		int	(*save_context)(struct drm_device *, int channel);
	} fifo;
};

struct drm_nouveau_private {
	enum {
		NOUVEAU_CARD_INIT_DOWN,
		NOUVEAU_CARD_INIT_DONE,
		NOUVEAU_CARD_INIT_FAILED
	} init_state;

	/* the card type, takes NV_* as values */
	int card_type;
	/* exact chipset, derived from NV_PMC_BOOT_0 */
	int chipset;
	int flags;

	drm_local_map_t *mmio;
	drm_local_map_t *fb;
	drm_local_map_t *ramin; /* NV40 onwards */

	int fifo_alloc_count;
	struct nouveau_fifo *fifos[NV_MAX_FIFO_NUMBER];

	struct nouveau_engine_func Engine;

	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
	struct nouveau_gpuobj *ramht;
	uint32_t ramin_rsvd_vram;
	uint32_t ramht_offset;
	uint32_t ramht_size;
	uint32_t ramht_bits;
	uint32_t ramfc_offset;
	uint32_t ramfc_size;
	uint32_t ramro_offset;
	uint32_t ramro_size;

	/* base physical adresses */
	uint64_t fb_phys;
	uint64_t fb_available_size;

	struct {
		enum {
			NOUVEAU_GART_NONE = 0,
			NOUVEAU_GART_AGP,
			NOUVEAU_GART_SGDMA
		} type;
		uint64_t aper_base;
		uint64_t aper_size;

		struct nouveau_gpuobj *sg_ctxdma;
		struct page *sg_dummy_page;
		dma_addr_t sg_dummy_bus;

		/* nottm hack */
		struct drm_ttm_backend *sg_be;
		unsigned long sg_handle;
	} gart_info;

	/* the mtrr covering the FB */
	int fb_mtrr;

	struct mem_block *agp_heap;
	struct mem_block *fb_heap;
	struct mem_block *fb_nomap_heap;
	struct mem_block *ramin_heap;
	struct mem_block *pci_heap;

        /* context table pointed to be NV_PGRAPH_CHANNEL_CTX_TABLE (0x400780) */
        uint32_t ctx_table_size;
	struct nouveau_gpuobj_ref *ctx_table;

	struct nouveau_config config;

	struct nouveau_gpuobj *gpuobj_all;
};

/* nouveau_state.c */
extern void nouveau_preclose(struct drm_device * dev, DRMFILE filp);
extern int nouveau_load(struct drm_device *dev, unsigned long flags);
extern int nouveau_firstopen(struct drm_device *dev);
extern void nouveau_lastclose(struct drm_device *dev);
extern int nouveau_unload(struct drm_device *dev);
extern int nouveau_ioctl_getparam(DRM_IOCTL_ARGS);
extern int nouveau_ioctl_setparam(DRM_IOCTL_ARGS);
extern void nouveau_wait_for_idle(struct drm_device *dev);
extern int nouveau_ioctl_card_init(DRM_IOCTL_ARGS);

/* nouveau_mem.c */
extern int               nouveau_mem_init_heap(struct mem_block **,
					       uint64_t start, uint64_t size);
extern struct mem_block *nouveau_mem_alloc_block(struct mem_block *,
						 uint64_t size, int align2,
						 DRMFILE);
extern void              nouveau_mem_takedown(struct mem_block **heap);
extern void              nouveau_mem_free_block(struct mem_block *);
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_notifier.c */
extern int  nouveau_notifier_init_channel(struct drm_device *, int channel, DRMFILE);
extern void nouveau_notifier_takedown_channel(struct drm_device *, int channel);
extern int  nouveau_notifier_alloc(struct drm_device *, int channel,
				   uint32_t handle, int cout, uint32_t *offset);
extern int  nouveau_ioctl_notifier_alloc(DRM_IOCTL_ARGS);

/* nouveau_fifo.c */
extern int  nouveau_fifo_init(struct drm_device *dev);
extern int  nouveau_fifo_number(struct drm_device *dev);
extern int  nouveau_fifo_ctx_size(struct drm_device *dev);
extern void nouveau_fifo_cleanup(struct drm_device *dev, DRMFILE filp);
extern int  nouveau_fifo_owner(struct drm_device *dev, DRMFILE filp, int channel);
extern void nouveau_fifo_free(struct drm_device *dev, int channel);

/* nouveau_object.c */
extern void nouveau_gpuobj_takedown(struct drm_device *dev);
extern int nouveau_gpuobj_channel_init(struct drm_device *, int channel,
				       uint32_t vram_h, uint32_t tt_h);
extern void nouveau_gpuobj_channel_takedown(struct drm_device *, int channel);
extern int nouveau_gpuobj_new(struct drm_device *, int channel, int size, int align,
			      uint32_t flags, struct nouveau_gpuobj **);
extern int nouveau_gpuobj_del(struct drm_device *, struct nouveau_gpuobj **);
extern int nouveau_gpuobj_ref_add(struct drm_device *, int channel, uint32_t handle,
				  struct nouveau_gpuobj *,
				  struct nouveau_gpuobj_ref **);
extern int nouveau_gpuobj_ref_del(struct drm_device *, struct nouveau_gpuobj_ref **);
extern int nouveau_gpuobj_new_ref(struct drm_device *, int chan_obj, int chan_ref,
				  uint32_t handle, int size, int align,
				  uint32_t flags, struct nouveau_gpuobj_ref **);
extern int nouveau_gpuobj_new_fake(struct drm_device *, uint32_t offset,
				   uint32_t size, uint32_t flags,
				   struct nouveau_gpuobj**,
				   struct nouveau_gpuobj_ref**);
extern int nouveau_gpuobj_dma_new(struct drm_device *, int channel, int class,
				  uint64_t offset, uint64_t size,
				  int access, int target,
				  struct nouveau_gpuobj **);
extern int nouveau_gpuobj_gart_dma_new(struct drm_device *, int channel,
				       uint64_t offset, uint64_t size,
				       int access, struct nouveau_gpuobj **,
				       uint32_t *o_ret);
extern int nouveau_gpuobj_gr_new(struct drm_device *, int channel, int class,
				 struct nouveau_gpuobj **);
extern int nouveau_ioctl_grobj_alloc(DRM_IOCTL_ARGS);

/* nouveau_irq.c */
extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
extern void        nouveau_irq_preinstall(struct drm_device*);
extern void        nouveau_irq_postinstall(struct drm_device*);
extern void        nouveau_irq_uninstall(struct drm_device*);

/* nouveau_sgdma.c */
extern int nouveau_sgdma_init(struct drm_device *);
extern void nouveau_sgdma_takedown(struct drm_device *);
extern struct drm_ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
extern int nouveau_sgdma_nottm_hack_init(struct drm_device *);
extern void nouveau_sgdma_nottm_hack_takedown(struct drm_device *);

/* nv04_fb.c */
extern int  nv04_fb_init(struct drm_device *dev);
extern void nv04_fb_takedown(struct drm_device *dev);

/* nv10_fb.c */
extern int  nv10_fb_init(struct drm_device *dev);
extern void nv10_fb_takedown(struct drm_device *dev);

/* nv40_fb.c */
extern int  nv40_fb_init(struct drm_device *dev);
extern void nv40_fb_takedown(struct drm_device *dev);

/* nv04_fifo.c */
extern int  nv04_fifo_create_context(struct drm_device *dev, int channel);
extern void nv04_fifo_destroy_context(struct drm_device *dev, int channel);
extern int  nv04_fifo_load_context(struct drm_device *dev, int channel);
extern int  nv04_fifo_save_context(struct drm_device *dev, int channel);

/* nv10_fifo.c */
extern int  nv10_fifo_create_context(struct drm_device *dev, int channel);
extern void nv10_fifo_destroy_context(struct drm_device *dev, int channel);
extern int  nv10_fifo_load_context(struct drm_device *dev, int channel);
extern int  nv10_fifo_save_context(struct drm_device *dev, int channel);

/* nv40_fifo.c */
extern int  nv40_fifo_create_context(struct drm_device *, int channel);
extern void nv40_fifo_destroy_context(struct drm_device *, int channel);
extern int  nv40_fifo_load_context(struct drm_device *, int channel);
extern int  nv40_fifo_save_context(struct drm_device *, int channel);

/* nv50_fifo.c */
extern int  nv50_fifo_init(struct drm_device *);
extern void nv50_fifo_takedown(struct drm_device *);
extern int  nv50_fifo_create_context(struct drm_device *, int channel);
extern void nv50_fifo_destroy_context(struct drm_device *, int channel);
extern int  nv50_fifo_load_context(struct drm_device *, int channel);
extern int  nv50_fifo_save_context(struct drm_device *, int channel);

/* nv04_graph.c */
extern void nouveau_nv04_context_switch(struct drm_device *dev);
extern int  nv04_graph_init(struct drm_device *dev);
extern void nv04_graph_takedown(struct drm_device *dev);
extern int  nv04_graph_create_context(struct drm_device *dev, int channel);
extern void nv04_graph_destroy_context(struct drm_device *dev, int channel);
extern int  nv04_graph_load_context(struct drm_device *dev, int channel);
extern int  nv04_graph_save_context(struct drm_device *dev, int channel);

/* nv10_graph.c */
extern void nouveau_nv10_context_switch(struct drm_device *dev);
extern int  nv10_graph_init(struct drm_device *dev);
extern void nv10_graph_takedown(struct drm_device *dev);
extern int  nv10_graph_create_context(struct drm_device *dev, int channel);
extern void nv10_graph_destroy_context(struct drm_device *dev, int channel);
extern int  nv10_graph_load_context(struct drm_device *dev, int channel);
extern int  nv10_graph_save_context(struct drm_device *dev, int channel);

/* nv20_graph.c */
extern void nouveau_nv20_context_switch(struct drm_device *dev);
extern int  nv20_graph_init(struct drm_device *dev);
extern void nv20_graph_takedown(struct drm_device *dev);
extern int  nv20_graph_create_context(struct drm_device *dev, int channel);
extern void nv20_graph_destroy_context(struct drm_device *dev, int channel);
extern int  nv20_graph_load_context(struct drm_device *dev, int channel);
extern int  nv20_graph_save_context(struct drm_device *dev, int channel);

/* nv30_graph.c */
extern int  nv30_graph_init(struct drm_device *dev);
extern void nv30_graph_takedown(struct drm_device *dev);
extern int  nv30_graph_create_context(struct drm_device *, int channel);
extern void nv30_graph_destroy_context(struct drm_device *, int channel);
extern int  nv30_graph_load_context(struct drm_device *, int channel);
extern int  nv30_graph_save_context(struct drm_device *, int channel);

/* nv40_graph.c */
extern int  nv40_graph_init(struct drm_device *);
extern void nv40_graph_takedown(struct drm_device *);
extern int  nv40_graph_create_context(struct drm_device *, int channel);
extern void nv40_graph_destroy_context(struct drm_device *, int channel);
extern int  nv40_graph_load_context(struct drm_device *, int channel);
extern int  nv40_graph_save_context(struct drm_device *, int channel);

/* nv50_graph.c */
extern int  nv50_graph_init(struct drm_device *);
extern void nv50_graph_takedown(struct drm_device *);
extern int  nv50_graph_create_context(struct drm_device *, int channel);
extern void nv50_graph_destroy_context(struct drm_device *, int channel);
extern int  nv50_graph_load_context(struct drm_device *, int channel);
extern int  nv50_graph_save_context(struct drm_device *, int channel);

/* nv04_instmem.c */
extern int  nv04_instmem_init(struct drm_device *dev);
extern void nv04_instmem_takedown(struct drm_device *dev);
extern int  nv04_instmem_populate(struct drm_device*, struct nouveau_gpuobj*,
				  uint32_t *size);
extern void nv04_instmem_clear(struct drm_device*, struct nouveau_gpuobj*);
extern int  nv04_instmem_bind(struct drm_device*, struct nouveau_gpuobj*);
extern int  nv04_instmem_unbind(struct drm_device*, struct nouveau_gpuobj*);

/* nv50_instmem.c */
extern int  nv50_instmem_init(struct drm_device *dev);
extern void nv50_instmem_takedown(struct drm_device *dev);
extern int  nv50_instmem_populate(struct drm_device*, struct nouveau_gpuobj*,
				  uint32_t *size);
extern void nv50_instmem_clear(struct drm_device*, struct nouveau_gpuobj*);
extern int  nv50_instmem_bind(struct drm_device*, struct nouveau_gpuobj*);
extern int  nv50_instmem_unbind(struct drm_device*, struct nouveau_gpuobj*);

/* nv04_mc.c */
extern int  nv04_mc_init(struct drm_device *dev);
extern void nv04_mc_takedown(struct drm_device *dev);

/* nv40_mc.c */
extern int  nv40_mc_init(struct drm_device *dev);
extern void nv40_mc_takedown(struct drm_device *dev);

/* nv50_mc.c */
extern int  nv50_mc_init(struct drm_device *dev);
extern void nv50_mc_takedown(struct drm_device *dev);

/* nv04_timer.c */
extern int  nv04_timer_init(struct drm_device *dev);
extern uint64_t nv04_timer_read(struct drm_device *dev);
extern void nv04_timer_takedown(struct drm_device *dev);

extern long nouveau_compat_ioctl(struct file *filp, unsigned int cmd,
				unsigned long arg);

#if defined(__powerpc__)
#define NV_READ(reg)        in_be32((void __iomem *)(dev_priv->mmio)->handle + (reg) )
#define NV_WRITE(reg,val)   out_be32((void __iomem *)(dev_priv->mmio)->handle + (reg) , (val) )
#else
#define NV_READ(reg)        DRM_READ32(  dev_priv->mmio, (reg) )
#define NV_WRITE(reg,val)   DRM_WRITE32( dev_priv->mmio, (reg), (val) )
#endif

/* PRAMIN access */
#if defined(__powerpc__)
#define NV_RI32(o) in_be32((void __iomem *)(dev_priv->ramin)->handle+(o))
#define NV_WI32(o,v) out_be32((void __iomem*)(dev_priv->ramin)->handle+(o), (v))
#else
#define NV_RI32(o) DRM_READ32(dev_priv->ramin, (o))
#define NV_WI32(o,v) DRM_WRITE32(dev_priv->ramin, (o), (v))
#endif

#define INSTANCE_RD(o,i) NV_RI32((o)->im_pramin->start + ((i)<<2))
#define INSTANCE_WR(o,i,v) NV_WI32((o)->im_pramin->start + ((i)<<2), (v))

#endif /* __NOUVEAU_DRV_H__ */