diff options
Diffstat (limited to 'nx-X11/extras/drm/bsd-core/drmP.h')
| -rw-r--r-- | nx-X11/extras/drm/bsd-core/drmP.h | 1023 |
1 files changed, 1023 insertions, 0 deletions
diff --git a/nx-X11/extras/drm/bsd-core/drmP.h b/nx-X11/extras/drm/bsd-core/drmP.h new file mode 100644 index 000000000..0adfef934 --- /dev/null +++ b/nx-X11/extras/drm/bsd-core/drmP.h @@ -0,0 +1,1023 @@ +/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*- + * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com + */ +/*- + * 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 + * 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. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + * + */ + +#ifndef _DRM_P_H_ +#define _DRM_P_H_ + +#if defined(_KERNEL) || defined(__KERNEL__) + +typedef struct drm_device drm_device_t; +typedef struct drm_file drm_file_t; + +#include <sys/param.h> +#include <sys/queue.h> +#include <sys/malloc.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/systm.h> +#include <sys/conf.h> +#include <sys/stat.h> +#include <sys/proc.h> +#include <sys/lock.h> +#include <sys/fcntl.h> +#include <sys/uio.h> +#include <sys/filio.h> +#include <sys/sysctl.h> +#include <sys/bus.h> +#include <sys/signalvar.h> +#include <sys/poll.h> +#include <vm/vm.h> +#include <vm/pmap.h> +#include <vm/vm_extern.h> +#include <vm/vm_map.h> +#include <vm/vm_param.h> +#include <machine/param.h> +#include <machine/pmap.h> +#include <machine/bus.h> +#include <machine/resource.h> +#include <machine/sysarch.h> +#include <sys/endian.h> +#include <sys/mman.h> +#if defined(__FreeBSD__) +#include <sys/rman.h> +#include <sys/memrange.h> +#include <pci/agpvar.h> +#include <sys/agpio.h> +#if __FreeBSD_version >= 500000 +#include <sys/mutex.h> +#include <dev/pci/pcivar.h> +#include <sys/selinfo.h> +#else /* __FreeBSD_version >= 500000 */ +#include <pci/pcivar.h> +#include <sys/select.h> +#endif /* __FreeBSD_version < 500000 */ +#elif defined(__NetBSD__) +#include <machine/mtrr.h> +#include <sys/vnode.h> +#include <sys/select.h> +#include <sys/device.h> +#include <sys/resourcevar.h> +#include <sys/lkm.h> +#include <sys/agpio.h> +#include <sys/ttycom.h> +#include <uvm/uvm.h> +#include <dev/pci/pcireg.h> +#include <dev/pci/pcivar.h> +#include <dev/pci/agpvar.h> +#elif defined(__OpenBSD__) +#include <sys/lkm.h> +#include <uvm/uvm.h> +#endif +#include <sys/bus.h> + +#include "drm.h" +#include "drm_linux_list.h" +#include "drm_atomic.h" + +#ifdef __FreeBSD__ +#include <opt_drm.h> +#ifdef DRM_DEBUG +#undef DRM_DEBUG +#define DRM_DEBUG_DEFAULT_ON 1 +#endif /* DRM_DEBUG */ +#endif + +#if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) +#include <sys/file.h> +#include <sys/proc.h> +#include <machine/../linux/linux.h> +#include <machine/../linux/linux_proto.h> +#else +/* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't + * supported on this OS yet. + */ +#undef DRM_LINUX +#define DRM_LINUX 0 +#endif + +#define DRM_HASH_SIZE 16 /* Size of key hash table */ +#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ +#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ + +#define DRM_MEM_DMA 0 +#define DRM_MEM_SAREA 1 +#define DRM_MEM_DRIVER 2 +#define DRM_MEM_MAGIC 3 +#define DRM_MEM_IOCTLS 4 +#define DRM_MEM_MAPS 5 +#define DRM_MEM_BUFS 6 +#define DRM_MEM_SEGS 7 +#define DRM_MEM_PAGES 8 +#define DRM_MEM_FILES 9 +#define DRM_MEM_QUEUES 10 +#define DRM_MEM_CMDS 11 +#define DRM_MEM_MAPPINGS 12 +#define DRM_MEM_BUFLISTS 13 +#define DRM_MEM_AGPLISTS 14 +#define DRM_MEM_TOTALAGP 15 +#define DRM_MEM_BOUNDAGP 16 +#define DRM_MEM_CTXBITMAP 17 +#define DRM_MEM_STUB 18 +#define DRM_MEM_SGLISTS 19 + +#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) + + /* Internal types and structures */ +#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) +#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) +#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) + +#define DRM_IF_VERSION(maj, min) (maj << 16 | min) + +MALLOC_DECLARE(M_DRM); + +#define __OS_HAS_AGP 1 + +#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) +#define DRM_DEV_UID 0 +#define DRM_DEV_GID 0 + +#define wait_queue_head_t atomic_t +#define DRM_WAKEUP(w) wakeup((void *)w) +#define DRM_WAKEUP_INT(w) wakeup(w) +#define DRM_INIT_WAITQUEUE(queue) do {} while (0) + +#if defined(__FreeBSD__) && __FreeBSD_version < 502109 +#define bus_alloc_resource_any(dev, type, rid, flags) \ + bus_alloc_resource(dev, type, rid, 0ul, ~0ul, 1, flags) +#endif + +#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 +#define DRM_CURPROC curthread +#define DRM_STRUCTPROC struct thread +#define DRM_SPINTYPE struct mtx +#define DRM_SPININIT(l,name) mtx_init(&l, name, NULL, MTX_DEF) +#define DRM_SPINUNINIT(l) mtx_destroy(&l) +#define DRM_SPINLOCK(l) mtx_lock(l) +#define DRM_SPINUNLOCK(u) mtx_unlock(u); +#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) +#define DRM_CURRENTPID curthread->td_proc->p_pid +#define DRM_LOCK() mtx_lock(&dev->dev_lock) +#define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) +#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) +#else /* __FreeBSD__ && __FreeBSD_version >= 500000 */ +#define DRM_CURPROC curproc +#define DRM_STRUCTPROC struct proc +#define DRM_SPINTYPE struct simplelock +#define DRM_SPININIT(l,name) +#define DRM_SPINUNINIT(l) +#define DRM_SPINLOCK(l) +#define DRM_SPINUNLOCK(u) +#define DRM_SPINLOCK_ASSERT(l) +#define DRM_CURRENTPID curproc->p_pid +#define DRM_LOCK() +#define DRM_UNLOCK() +#define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS +#define spldrm() spltty() +#endif /* __NetBSD__ || __OpenBSD__ */ + +/* Currently our DRMFILE (filp) is a void * which is actually the pid + * of the current process. It should be a per-open unique pointer, but + * code for that is not yet written */ +#define DRMFILE void * +#define DRM_IRQ_ARGS void *arg +typedef void irqreturn_t; +#define IRQ_HANDLED /* nothing */ +#define IRQ_NONE /* nothing */ + +enum { + DRM_IS_NOT_AGP, + DRM_MIGHT_BE_AGP, + DRM_IS_AGP +}; +#define DRM_AGP_MEM struct agp_memory_info + +#if defined(__FreeBSD__) +#define DRM_DEVICE \ + drm_device_t *dev = kdev->si_drv1 +#define DRM_IOCTL_ARGS struct cdev *kdev, u_long cmd, caddr_t data, \ + int flags, DRM_STRUCTPROC *p, DRMFILE filp + +#define PAGE_ALIGN(addr) round_page(addr) +/* DRM_SUSER returns true if the user is superuser */ +#define DRM_SUSER(p) (suser(p) == 0) +#define DRM_AGP_FIND_DEVICE() agp_find_device() +#define DRM_MTRR_WC MDF_WRITECOMBINE +#define jiffies ticks + +#else /* __FreeBSD__ */ + +#if defined(__NetBSD__) +#define DRM_DEVICE \ + drm_device_t *dev = device_lookup(&drm_cd, minor(kdev)) +#elif defined(__OpenBSD__) +#define DRM_DEVICE \ + drm_device_t *dev = (device_lookup(&drm_cd, \ + minor(kdev)))->dv_cfdata->cf_driver->cd_devs[minor(kdev)] +#endif /* __OpenBSD__ */ +#define DRM_IOCTL_ARGS dev_t kdev, u_long cmd, caddr_t data, \ + int flags, DRM_STRUCTPROC *p, DRMFILE filp + +#define CDEV_MAJOR 34 +#define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK) +/* DRM_SUSER returns true if the user is superuser */ +#define DRM_SUSER(p) (suser(p->p_ucred, &p->p_acflag) == 0) +#define DRM_AGP_FIND_DEVICE() agp_find_device(0) +#define DRM_MTRR_WC MTRR_TYPE_WC +#define jiffies hardclock_ticks + +typedef drm_device_t *device_t; +extern struct cfdriver drm_cd; +#endif /* !__FreeBSD__ */ + +/* Capabilities taken from src/sys/dev/pci/pcireg.h. */ +#ifndef PCIY_AGP +#define PCIY_AGP 0x02 +#endif + +#ifndef PCIY_EXPRESS +#define PCIY_EXPRESS 0x10 +#endif + +typedef unsigned long dma_addr_t; +typedef u_int32_t u32; +typedef u_int16_t u16; +typedef u_int8_t u8; + +/* DRM_READMEMORYBARRIER() prevents reordering of reads. + * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. + * DRM_MEMORYBARRIER() prevents reordering of reads and writes. + */ +#if defined(__i386__) +#define DRM_READMEMORYBARRIER() __asm __volatile( \ + "lock; addl $0,0(%%esp)" : : : "memory"); +#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); +#define DRM_MEMORYBARRIER() __asm __volatile( \ + "lock; addl $0,0(%%esp)" : : : "memory"); +#elif defined(__alpha__) +#define DRM_READMEMORYBARRIER() alpha_mb(); +#define DRM_WRITEMEMORYBARRIER() alpha_wmb(); +#define DRM_MEMORYBARRIER() alpha_mb(); +#elif defined(__amd64__) +#define DRM_READMEMORYBARRIER() __asm __volatile( \ + "lock; addl $0,0(%%rsp)" : : : "memory"); +#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); +#define DRM_MEMORYBARRIER() __asm __volatile( \ + "lock; addl $0,0(%%rsp)" : : : "memory"); +#endif + +#ifdef __FreeBSD__ +#define DRM_READ8(map, offset) \ + *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) +#define DRM_READ16(map, offset) \ + *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) +#define DRM_READ32(map, offset) \ + *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) +#define DRM_WRITE8(map, offset, val) \ + *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val +#define DRM_WRITE16(map, offset, val) \ + *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val +#define DRM_WRITE32(map, offset, val) \ + *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val + +#define DRM_VERIFYAREA_READ( uaddr, size ) \ + (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) + +#else /* __FreeBSD__ */ + +typedef vaddr_t vm_offset_t; + +#define DRM_READ8(map, offset) \ + bus_space_read_1( (map)->bst, (map)->bsh, (offset)) +#define DRM_READ16(map, offset) \ + bus_space_read_2( (map)->bst, (map)->bsh, (offset)) +#define DRM_READ32(map, offset) \ + bus_space_read_4( (map)->bst, (map)->bsh, (offset)) +#define DRM_WRITE8(map, offset, val) \ + bus_space_write_1((map)->bst, (map)->bsh, (offset), (val)) +#define DRM_WRITE16(map, offset, val) \ + bus_space_write_2((map)->bst, (map)->bsh, (offset), (val)) +#define DRM_WRITE32(map, offset, val) \ + bus_space_write_4((map)->bst, (map)->bsh, (offset), (val)) + +#define DRM_VERIFYAREA_READ( uaddr, size ) \ + (!uvm_useracc((caddr_t)uaddr, size, VM_PROT_READ)) +#endif /* !__FreeBSD__ */ + +#define DRM_COPY_TO_USER_IOCTL(user, kern, size) \ + if ( IOCPARM_LEN(cmd) != size) \ + return EINVAL; \ + *user = kern; +#define DRM_COPY_FROM_USER_IOCTL(kern, user, size) \ + if ( IOCPARM_LEN(cmd) != size) \ + return EINVAL; \ + kern = *user; +#define DRM_COPY_TO_USER(user, kern, size) \ + copyout(kern, user, size) +#define DRM_COPY_FROM_USER(kern, user, size) \ + copyin(user, kern, size) +#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ + copyin(arg2, arg1, arg3) +#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ + copyout(arg2, arg1, arg3) +#if __FreeBSD_version > 500000 +#define DRM_GET_USER_UNCHECKED(val, uaddr) \ + ((val) = fuword32(uaddr), 0) +#else +#define DRM_GET_USER_UNCHECKED(val, uaddr) \ + ((val) = fuword(uaddr), 0) +#endif + +#define cpu_to_le32(x) htole32(x) +#define le32_to_cpu(x) le32toh(x) + +#define DRM_ERR(v) v +#define DRM_HZ hz +#define DRM_UDELAY(udelay) DELAY(udelay) +#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ + +#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ + (_map) = (_dev)->context_sareas[_ctx]; \ +} while(0) + +#define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) \ +do { \ + if (_filp != (DRMFILE)(intptr_t)DRM_CURRENTPID) { \ + DRM_ERROR("filp doesn't match curproc\n"); \ + return EINVAL; \ + } \ + _priv = drm_find_file_by_proc(dev, DRM_CURPROC); \ + if (_priv == NULL) { \ + DRM_ERROR("can't find authenticator\n"); \ + return EINVAL; \ + } \ +} while (0) + +#define LOCK_TEST_WITH_RETURN(dev, filp) \ +do { \ + if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ + dev->lock.filp != filp) { \ + DRM_ERROR("%s called without lock held\n", \ + __FUNCTION__); \ + return EINVAL; \ + } \ +} while (0) + +#define DRM_GETSAREA() \ +do { \ + drm_local_map_t *map; \ + DRM_SPINLOCK_ASSERT(&dev->dev_lock); \ + TAILQ_FOREACH(map, &dev->maplist, link) { \ + if (map->type == _DRM_SHM && \ + map->flags & _DRM_CONTAINS_LOCK) { \ + dev_priv->sarea = map; \ + break; \ + } \ + } \ +} while (0) + +#if defined(__FreeBSD__) && __FreeBSD_version > 500000 +#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ +for ( ret = 0 ; !ret && !(condition) ; ) { \ + DRM_UNLOCK(); \ + mtx_lock(&dev->irq_lock); \ + if (!(condition)) \ + ret = msleep(&(queue), &dev->irq_lock, \ + PZERO | PCATCH, "drmwtq", (timeout)); \ + mtx_unlock(&dev->irq_lock); \ + DRM_LOCK(); \ +} +#else +#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ +for ( ret = 0 ; !ret && !(condition) ; ) { \ + int s = spldrm(); \ + if (!(condition)) \ + ret = tsleep( &(queue), PZERO | PCATCH, \ + "drmwtq", (timeout) ); \ + splx(s); \ +} +#endif + +#define DRM_ERROR(fmt, arg...) \ + printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ + DRM_CURRENTPID, __func__ , ## arg) + +#define DRM_INFO(fmt, arg...) printf("info: [" DRM_NAME "] " fmt , ## arg) + +#define DRM_DEBUG(fmt, arg...) do { \ + if (drm_debug_flag) \ + printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ + __func__ , ## arg); \ +} while (0) + +typedef struct drm_pci_id_list +{ + int vendor; + int device; + long driver_private; + char *name; +} drm_pci_id_list_t; + +#define DRM_AUTH 0x1 +#define DRM_MASTER 0x2 +#define DRM_ROOT_ONLY 0x4 +typedef struct drm_ioctl_desc { + int (*func)(DRM_IOCTL_ARGS); + int flags; +} drm_ioctl_desc_t; + +typedef struct drm_magic_entry { + drm_magic_t magic; + struct drm_file *priv; + struct drm_magic_entry *next; +} drm_magic_entry_t; + +typedef struct drm_magic_head { + struct drm_magic_entry *head; + struct drm_magic_entry *tail; +} drm_magic_head_t; + +typedef struct drm_buf { + int idx; /* Index into master buflist */ + int total; /* Buffer size */ + int order; /* log-base-2(total) */ + int used; /* Amount of buffer in use (for DMA) */ + unsigned long offset; /* Byte offset (used internally) */ + void *address; /* Address of buffer */ + unsigned long bus_address; /* Bus address of buffer */ + struct drm_buf *next; /* Kernel-only: used for free list */ + __volatile__ int pending; /* On hardware DMA queue */ + DRMFILE filp; /* Unique identifier of holding process */ + int context; /* Kernel queue for this buffer */ + enum { + DRM_LIST_NONE = 0, + DRM_LIST_FREE = 1, + DRM_LIST_WAIT = 2, + DRM_LIST_PEND = 3, + DRM_LIST_PRIO = 4, + DRM_LIST_RECLAIM = 5 + } list; /* Which list we're on */ + + int dev_priv_size; /* Size of buffer private stoarge */ + void *dev_private; /* Per-buffer private storage */ +} drm_buf_t; + +typedef struct drm_freelist { + int initialized; /* Freelist in use */ + atomic_t count; /* Number of free buffers */ + drm_buf_t *next; /* End pointer */ + + int low_mark; /* Low water mark */ + int high_mark; /* High water mark */ +} drm_freelist_t; + +typedef struct drm_dma_handle { + void *vaddr; + bus_addr_t busaddr; +#if defined(__FreeBSD__) + bus_dma_tag_t tag; + bus_dmamap_t map; +#elif defined(__NetBSD__) + bus_dma_segment_t seg; +#endif +} drm_dma_handle_t; + +typedef struct drm_buf_entry { + int buf_size; + int buf_count; + drm_buf_t *buflist; + int seg_count; + drm_dma_handle_t **seglist; + int page_order; + + drm_freelist_t freelist; +} drm_buf_entry_t; + +typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; +struct drm_file { + TAILQ_ENTRY(drm_file) link; + int authenticated; + int master; + int minor; + pid_t pid; + uid_t uid; + int refs; + drm_magic_t magic; + unsigned long ioctl_count; + void *driver_priv; +}; + +typedef struct drm_lock_data { + drm_hw_lock_t *hw_lock; /* Hardware lock */ + DRMFILE filp; /* Unique identifier of holding process (NULL is kernel)*/ + int lock_queue; /* Queue of blocked processes */ + unsigned long lock_time; /* Time of last lock in jiffies */ +} drm_lock_data_t; + +/* This structure, in the drm_device_t, is always initialized while the device + * is open. dev->dma_lock protects the incrementing of dev->buf_use, which + * when set marks that no further bufs may be allocated until device teardown + * occurs (when the last open of the device has closed). The high/low + * watermarks of bufs are only touched by the X Server, and thus not + * concurrently accessed, so no locking is needed. + */ +typedef struct drm_device_dma { + drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; + int buf_count; + drm_buf_t **buflist; /* Vector of pointers info bufs */ + int seg_count; + int page_count; + unsigned long *pagelist; + unsigned long byte_count; + enum { + _DRM_DMA_USE_AGP = 0x01, + _DRM_DMA_USE_SG = 0x02 + } flags; +} drm_device_dma_t; + +typedef struct drm_agp_mem { + void *handle; + unsigned long bound; /* address */ + int pages; + struct drm_agp_mem *prev; + struct drm_agp_mem *next; +} drm_agp_mem_t; + +typedef struct drm_agp_head { + device_t agpdev; + struct agp_info info; + const char *chipset; + drm_agp_mem_t *memory; + unsigned long mode; + int enabled; + int acquired; + unsigned long base; + int mtrr; + int cant_use_aperture; + unsigned long page_mask; +} drm_agp_head_t; + +typedef struct drm_sg_mem { + unsigned long handle; + void *virtual; + int pages; + dma_addr_t *busaddr; + drm_dma_handle_t *dmah; /* Handle to PCI memory for ATI PCIGART table */ +} drm_sg_mem_t; + +typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; + +typedef struct drm_local_map { + unsigned long offset; /* Physical address (0 for SAREA)*/ + unsigned long size; /* Physical size (bytes) */ + drm_map_type_t type; /* Type of memory mapped */ + drm_map_flags_t flags; /* Flags */ + void *handle; /* User-space: "Handle" to pass to mmap */ + /* Kernel-space: kernel-virtual address */ + int mtrr; /* Boolean: MTRR used */ + /* Private data */ + int rid; /* PCI resource ID for bus_space */ + struct resource *bsr; + bus_space_tag_t bst; + bus_space_handle_t bsh; + drm_dma_handle_t *dmah; + TAILQ_ENTRY(drm_local_map) link; +} drm_local_map_t; + +TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); +typedef struct drm_vbl_sig { + TAILQ_ENTRY(drm_vbl_sig) link; + unsigned int sequence; + int signo; + int pid; +} drm_vbl_sig_t; + +/* location of GART table */ +#define DRM_ATI_GART_MAIN 1 +#define DRM_ATI_GART_FB 2 + +typedef struct ati_pcigart_info { + int gart_table_location; + int is_pcie; + void *addr; + dma_addr_t bus_addr; + drm_local_map_t mapping; +} drm_ati_pcigart_info; + +struct drm_driver_info { + int (*load)(struct drm_device *, unsigned long flags); + int (*firstopen)(struct drm_device *); + int (*open)(struct drm_device *, drm_file_t *); + void (*preclose)(struct drm_device *, void *filp); + void (*postclose)(struct drm_device *, drm_file_t *); + void (*lastclose)(struct drm_device *); + int (*unload)(struct drm_device *); + void (*reclaim_buffers_locked)(struct drm_device *, void *filp); + int (*dma_ioctl)(DRM_IOCTL_ARGS); + void (*dma_ready)(struct drm_device *); + int (*dma_quiescent)(struct drm_device *); + int (*dma_flush_block_and_flush)(struct drm_device *, int context, + drm_lock_flags_t flags); + int (*dma_flush_unblock)(struct drm_device *, int context, + drm_lock_flags_t flags); + int (*context_ctor)(struct drm_device *dev, int context); + int (*context_dtor)(struct drm_device *dev, int context); + int (*kernel_context_switch)(struct drm_device *dev, int old, + int new); + int (*kernel_context_switch_unlock)(struct drm_device *dev); + void (*irq_preinstall)(drm_device_t *dev); + void (*irq_postinstall)(drm_device_t *dev); + void (*irq_uninstall)(drm_device_t *dev); + void (*irq_handler)(DRM_IRQ_ARGS); + int (*vblank_wait)(drm_device_t *dev, unsigned int *sequence); + + drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ + + /** + * Called by \c drm_device_is_agp. Typically used to determine if a + * card is really attached to AGP or not. + * + * \param dev DRM device handle + * + * \returns + * One of three values is returned depending on whether or not the + * card is absolutely \b not AGP (return of 0), absolutely \b is AGP + * (return of 1), or may or may not be AGP (return of 2). + */ + int (*device_is_agp) (struct drm_device * dev); + + drm_ioctl_desc_t *ioctls; + int max_ioctl; + + int buf_priv_size; + + int major; + int minor; + int patchlevel; + const char *name; /* Simple driver name */ + const char *desc; /* Longer driver name */ + const char *date; /* Date of last major changes. */ + + unsigned use_agp :1; + unsigned require_agp :1; + unsigned use_sg :1; + unsigned use_dma :1; + unsigned use_pci_dma :1; + unsigned use_dma_queue :1; + unsigned use_irq :1; + unsigned use_vbl_irq :1; + unsigned use_mtrr :1; +}; + +/* Length for the array of resource pointers for drm_get_resource_*. */ +#define DRM_MAX_PCI_RESOURCE 3 + +/** + * DRM device functions structure + */ +struct drm_device { +#if defined(__NetBSD__) || defined(__OpenBSD__) + struct device device; /* softc is an extension of struct device */ +#endif + + struct drm_driver_info driver; + drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ + + char *unique; /* Unique identifier: e.g., busid */ + int unique_len; /* Length of unique field */ +#ifdef __FreeBSD__ + device_t device; /* Device instance from newbus */ +#endif + struct cdev *devnode; /* Device number for mknod */ + int if_version; /* Highest interface version set */ + + int flags; /* Flags to open(2) */ + + /* Locks */ +#if defined(__FreeBSD__) && __FreeBSD_version > 500000 + struct mtx dma_lock; /* protects dev->dma */ + struct mtx irq_lock; /* protects irq condition checks */ + struct mtx dev_lock; /* protects everything else */ +#endif + /* Usage Counters */ + int open_count; /* Outstanding files open */ + int buf_use; /* Buffers in use -- cannot alloc */ + + /* Performance counters */ + unsigned long counters; + drm_stat_type_t types[15]; + atomic_t counts[15]; + + /* Authentication */ + drm_file_list_t files; + drm_magic_head_t magiclist[DRM_HASH_SIZE]; + + /* Linked list of mappable regions. Protected by dev_lock */ + drm_map_list_t maplist; + + drm_local_map_t **context_sareas; + int max_context; + + drm_lock_data_t lock; /* Information on hardware lock */ + + /* DMA queues (contexts) */ + drm_device_dma_t *dma; /* Optional pointer for DMA support */ + + /* Context support */ + int irq; /* Interrupt used by board */ + int irq_enabled; /* True if the irq handler is enabled */ +#ifdef __FreeBSD__ + int irqrid; /* Interrupt used by board */ + struct resource *irqr; /* Resource for interrupt used by board */ +#elif defined(__NetBSD__) || defined(__OpenBSD__) + struct pci_attach_args pa; +#endif + void *irqh; /* Handle from bus_setup_intr */ + + /* Storage of resource pointers for drm_get_resource_* */ + struct resource *pcir[DRM_MAX_PCI_RESOURCE]; + int pcirid[DRM_MAX_PCI_RESOURCE]; + + int pci_domain; + int pci_bus; + int pci_slot; + int pci_func; + + atomic_t context_flag; /* Context swapping flag */ + int last_context; /* Last current context */ + int vbl_queue; /* vbl wait channel */ + atomic_t vbl_received; + +#ifdef __FreeBSD__ + struct sigio *buf_sigio; /* Processes waiting for SIGIO */ +#elif defined(__NetBSD__) + pid_t buf_pgid; +#endif + + /* Sysctl support */ + struct drm_sysctl_info *sysctl; + + drm_agp_head_t *agp; + drm_sg_mem_t *sg; /* Scatter gather memory */ + atomic_t *ctx_bitmap; + void *dev_private; + unsigned int agp_buffer_token; + drm_local_map_t *agp_buffer_map; +}; + +extern int drm_debug_flag; + +/* Device setup support (drm_drv.c) */ +#ifdef __FreeBSD__ +int drm_probe(device_t nbdev, drm_pci_id_list_t *idlist); +int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist); +int drm_detach(device_t nbdev); +d_ioctl_t drm_ioctl; +d_open_t drm_open; +d_close_t drm_close; +d_read_t drm_read; +d_poll_t drm_poll; +d_mmap_t drm_mmap; +#elif defined(__NetBSD__) || defined(__OpenBSD__) +int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist); +int drm_attach(struct pci_attach_args *pa, dev_t kdev, drm_pci_id_list_t *idlist); +dev_type_ioctl(drm_ioctl); +dev_type_open(drm_open); +dev_type_close(drm_close); +dev_type_read(drm_read); +dev_type_poll(drm_poll); +dev_type_mmap(drm_mmap); +#endif + +/* File operations helpers (drm_fops.c) */ +#ifdef __FreeBSD__ +extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, + DRM_STRUCTPROC *p, drm_device_t *dev); +extern drm_file_t *drm_find_file_by_proc(drm_device_t *dev, + DRM_STRUCTPROC *p); +#elif defined(__NetBSD__) || defined(__OpenBSD__) +extern int drm_open_helper(dev_t kdev, int flags, int fmt, + DRM_STRUCTPROC *p, drm_device_t *dev); +extern drm_file_t *drm_find_file_by_proc(drm_device_t *dev, + DRM_STRUCTPROC *p); +#endif /* __NetBSD__ || __OpenBSD__ */ + +/* Memory management support (drm_memory.c) */ +void drm_mem_init(void); +void drm_mem_uninit(void); +void *drm_alloc(size_t size, int area); +void *drm_calloc(size_t nmemb, size_t size, int area); +void *drm_realloc(void *oldpt, size_t oldsize, size_t size, + int area); +void drm_free(void *pt, size_t size, int area); +void *drm_ioremap(drm_device_t *dev, drm_local_map_t *map); +void drm_ioremapfree(drm_local_map_t *map); +int drm_mtrr_add(unsigned long offset, size_t size, int flags); +int drm_mtrr_del(unsigned long offset, size_t size, int flags); + +int drm_context_switch(drm_device_t *dev, int old, int new); +int drm_context_switch_complete(drm_device_t *dev, int new); + +int drm_ctxbitmap_init(drm_device_t *dev); +void drm_ctxbitmap_cleanup(drm_device_t *dev); +void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle); +int drm_ctxbitmap_next(drm_device_t *dev); + +/* Locking IOCTL support (drm_lock.c) */ +int drm_lock_take(__volatile__ unsigned int *lock, + unsigned int context); +int drm_lock_transfer(drm_device_t *dev, + __volatile__ unsigned int *lock, + unsigned int context); +int drm_lock_free(drm_device_t *dev, + __volatile__ unsigned int *lock, + unsigned int context); + +/* Buffer management support (drm_bufs.c) */ +unsigned long drm_get_resource_start(drm_device_t *dev, unsigned int resource); +unsigned long drm_get_resource_len(drm_device_t *dev, unsigned int resource); +void drm_rmmap(drm_device_t *dev, drm_local_map_t *map); +int drm_order(unsigned long size); +int drm_addmap(drm_device_t * dev, unsigned long offset, unsigned long size, + drm_map_type_t type, drm_map_flags_t flags, + drm_local_map_t **map_ptr); +int drm_addbufs_pci(drm_device_t *dev, drm_buf_desc_t *request); +int drm_addbufs_sg(drm_device_t *dev, drm_buf_desc_t *request); +int drm_addbufs_agp(drm_device_t *dev, drm_buf_desc_t *request); + +/* DMA support (drm_dma.c) */ +int drm_dma_setup(drm_device_t *dev); +void drm_dma_takedown(drm_device_t *dev); +void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf); +void drm_reclaim_buffers(drm_device_t *dev, DRMFILE filp); + +/* IRQ support (drm_irq.c) */ +int drm_irq_install(drm_device_t *dev); +int drm_irq_uninstall(drm_device_t *dev); +irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); +void drm_driver_irq_preinstall(drm_device_t *dev); +void drm_driver_irq_postinstall(drm_device_t *dev); +void drm_driver_irq_uninstall(drm_device_t *dev); +int drm_vblank_wait(drm_device_t *dev, unsigned int *vbl_seq); +void drm_vbl_send_signals(drm_device_t *dev); + +/* AGP/PCI Express/GART support (drm_agpsupport.c) */ +int drm_device_is_agp(drm_device_t *dev); +int drm_device_is_pcie(drm_device_t *dev); +drm_agp_head_t *drm_agp_init(void); +int drm_agp_acquire(drm_device_t *dev); +int drm_agp_release(drm_device_t *dev); +int drm_agp_info(drm_device_t * dev, drm_agp_info_t *info); +int drm_agp_enable(drm_device_t *dev, drm_agp_mode_t mode); +void *drm_agp_allocate_memory(size_t pages, u32 type); +int drm_agp_free_memory(void *handle); +int drm_agp_bind_memory(void *handle, off_t start); +int drm_agp_unbind_memory(void *handle); +int drm_agp_alloc(drm_device_t *dev, drm_agp_buffer_t *request); +int drm_agp_free(drm_device_t *dev, drm_agp_buffer_t *request); +int drm_agp_bind(drm_device_t *dev, drm_agp_binding_t *request); +int drm_agp_unbind(drm_device_t *dev, drm_agp_binding_t *request); + +/* Scatter Gather Support (drm_scatter.c) */ +void drm_sg_cleanup(drm_sg_mem_t *entry); + +#ifdef __FreeBSD__ +/* sysctl support (drm_sysctl.h) */ +extern int drm_sysctl_init(drm_device_t *dev); +extern int drm_sysctl_cleanup(drm_device_t *dev); +#endif /* __FreeBSD__ */ + +/* ATI PCIGART support (ati_pcigart.c) */ +int drm_ati_pcigart_init(drm_device_t *dev, + drm_ati_pcigart_info *gart_info); +int drm_ati_pcigart_cleanup(drm_device_t *dev, + drm_ati_pcigart_info *gart_info); + +/* Locking IOCTL support (drm_drv.c) */ +int drm_lock(DRM_IOCTL_ARGS); +int drm_unlock(DRM_IOCTL_ARGS); +int drm_version(DRM_IOCTL_ARGS); +int drm_setversion(DRM_IOCTL_ARGS); + +/* Misc. IOCTL support (drm_ioctl.c) */ +int drm_irq_by_busid(DRM_IOCTL_ARGS); +int drm_getunique(DRM_IOCTL_ARGS); +int drm_setunique(DRM_IOCTL_ARGS); +int drm_getmap(DRM_IOCTL_ARGS); +int drm_getclient(DRM_IOCTL_ARGS); +int drm_getstats(DRM_IOCTL_ARGS); +int drm_noop(DRM_IOCTL_ARGS); + +/* Context IOCTL support (drm_context.c) */ +int drm_resctx(DRM_IOCTL_ARGS); +int drm_addctx(DRM_IOCTL_ARGS); +int drm_modctx(DRM_IOCTL_ARGS); +int drm_getctx(DRM_IOCTL_ARGS); +int drm_switchctx(DRM_IOCTL_ARGS); +int drm_newctx(DRM_IOCTL_ARGS); +int drm_rmctx(DRM_IOCTL_ARGS); +int drm_setsareactx(DRM_IOCTL_ARGS); +int drm_getsareactx(DRM_IOCTL_ARGS); + +/* Drawable IOCTL support (drm_drawable.c) */ +int drm_adddraw(DRM_IOCTL_ARGS); +int drm_rmdraw(DRM_IOCTL_ARGS); + +/* Authentication IOCTL support (drm_auth.c) */ +int drm_getmagic(DRM_IOCTL_ARGS); +int drm_authmagic(DRM_IOCTL_ARGS); + +/* Buffer management support (drm_bufs.c) */ +int drm_addmap_ioctl(DRM_IOCTL_ARGS); +int drm_rmmap_ioctl(DRM_IOCTL_ARGS); +int drm_addbufs_ioctl(DRM_IOCTL_ARGS); +int drm_infobufs(DRM_IOCTL_ARGS); +int drm_markbufs(DRM_IOCTL_ARGS); +int drm_freebufs(DRM_IOCTL_ARGS); +int drm_mapbufs(DRM_IOCTL_ARGS); + +/* DMA support (drm_dma.c) */ +int drm_dma(DRM_IOCTL_ARGS); + +/* IRQ support (drm_irq.c) */ +int drm_control(DRM_IOCTL_ARGS); +int drm_wait_vblank(DRM_IOCTL_ARGS); + +/* AGP/GART support (drm_agpsupport.c) */ +int drm_agp_acquire_ioctl(DRM_IOCTL_ARGS); +int drm_agp_release_ioctl(DRM_IOCTL_ARGS); +int drm_agp_enable_ioctl(DRM_IOCTL_ARGS); +int drm_agp_info_ioctl(DRM_IOCTL_ARGS); +int drm_agp_alloc_ioctl(DRM_IOCTL_ARGS); +int drm_agp_free_ioctl(DRM_IOCTL_ARGS); +int drm_agp_unbind_ioctl(DRM_IOCTL_ARGS); +int drm_agp_bind_ioctl(DRM_IOCTL_ARGS); + +/* Scatter Gather Support (drm_scatter.c) */ +int drm_sg_alloc(DRM_IOCTL_ARGS); +int drm_sg_free(DRM_IOCTL_ARGS); + +/* consistent PCI memory functions (drm_pci.c) */ +drm_dma_handle_t *drm_pci_alloc(drm_device_t *dev, size_t size, size_t align, + dma_addr_t maxaddr); +void drm_pci_free(drm_device_t *dev, drm_dma_handle_t *dmah); + +/* Inline replacements for DRM_IOREMAP macros */ +static __inline__ void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) +{ + map->handle = drm_ioremap(dev, map); +} +static __inline__ void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) +{ + if ( map->handle && map->size ) + drm_ioremapfree(map); +} + +static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, unsigned long offset) +{ + drm_local_map_t *map; + + DRM_SPINLOCK_ASSERT(&dev->dev_lock); + TAILQ_FOREACH(map, &dev->maplist, link) { + if (map->offset == offset) + return map; + } + return NULL; +} + +static __inline__ void drm_core_dropmap(struct drm_map *map) +{ +} + +#endif /* __KERNEL__ */ +#endif /* _DRM_P_H_ */ |