Commit 76f92de7 authored by Linus Torvalds's avatar Linus Torvalds

Merge with DRI CVS tree

parent 60abdcb3
......@@ -8,7 +8,7 @@ r128-objs := r128_drv.o r128_cce.o r128_state.o
mga-objs := mga_drv.o mga_dma.o mga_state.o mga_warp.o
i810-objs := i810_drv.o i810_dma.o
i830-objs := i830_drv.o i830_dma.o
radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o
radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o
ffb-objs := ffb_drv.o ffb_context.o
obj-$(CONFIG_DRM_GAMMA) += gamma.o
......
......@@ -165,7 +165,7 @@
#define pte_unmap(pte)
#endif
#if LINUX_VERSION_CODE < 0x020413 /* KERNEL_VERSION(2,4,19) */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19)
static inline struct page * vmalloc_to_page(void * vmalloc_addr)
{
unsigned long addr = (unsigned long) vmalloc_addr;
......@@ -190,7 +190,7 @@ static inline struct page * vmalloc_to_page(void * vmalloc_addr)
}
#endif
#if LINUX_VERSION_CODE < 0x020500
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
#define DRM_RPR_ARG(vma)
#else
#define DRM_RPR_ARG(vma) vma,
......@@ -597,7 +597,7 @@ typedef struct drm_device {
#endif
struct pci_dev *pdev;
#ifdef __alpha__
#if LINUX_VERSION_CODE < 0x020403
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3)
struct pci_controler *hose;
#else
struct pci_controller *hose;
......
......@@ -137,6 +137,7 @@ int DRM(addmap)( struct inode *inode, struct file *filp,
}
map->offset = (unsigned long)map->handle;
if ( map->flags & _DRM_CONTAINS_LOCK ) {
dev->sigdata.lock =
dev->lock.hw_lock = map->handle; /* Pointer to lock */
}
break;
......
......@@ -306,7 +306,7 @@ static int DRM(setup)( drm_device_t *dev )
dev->map_count = 0;
dev->vmalist = NULL;
dev->lock.hw_lock = NULL;
dev->sigdata.lock = dev->lock.hw_lock = NULL;
init_waitqueue_head( &dev->lock.lock_queue );
dev->queue_count = 0;
dev->queue_reserved = 0;
......@@ -491,7 +491,7 @@ static int DRM(takedown)( drm_device_t *dev )
DRM(dma_takedown)( dev );
#endif
if ( dev->lock.hw_lock ) {
dev->lock.hw_lock = NULL; /* SHM removed */
dev->sigdata.lock = dev->lock.hw_lock = NULL; /* SHM removed */
dev->lock.pid = 0;
wake_up_interruptible( &dev->lock.lock_queue );
}
......
......@@ -237,7 +237,7 @@ int DRM(notifier)(void *priv)
/* Allow signal delivery if lock isn't held */
if (!_DRM_LOCK_IS_HELD(s->lock->lock)
if (!s->lock || !_DRM_LOCK_IS_HELD(s->lock->lock)
|| _DRM_LOCKING_CONTEXT(s->lock->lock) != s->context) return 1;
/* Otherwise, set flag to force call to
......
......@@ -16,6 +16,9 @@
#define DRM_DEVICE drm_file_t *priv = filp->private_data; \
drm_device_t *dev = priv->dev
#define DRM_IRQ_ARGS int irq, void *arg, struct pt_regs *regs
#define DRM_TASKQUEUE_ARGS void *arg
/* For data going from/to the kernel through the ioctl argument */
#define DRM_COPY_FROM_USER_IOCTL(arg1, arg2, arg3) \
if ( copy_from_user(&arg1, arg2, arg3) ) \
......
......@@ -45,11 +45,11 @@
#define DRIVER_NAME "i830"
#define DRIVER_DESC "Intel 830M"
#define DRIVER_DATE "20011004"
#define DRIVER_DATE "20020828"
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 2
#define DRIVER_PATCHLEVEL 0
#define DRIVER_PATCHLEVEL 1
#define DRIVER_IOCTLS \
[DRM_IOCTL_NR(DRM_IOCTL_I830_INIT)] = { i830_dma_init, 1, 1 }, \
......@@ -87,50 +87,10 @@
i830_dma_quiescent( dev ); \
} while (0)
#define __HAVE_DMA_IRQ 1
#define __HAVE_DMA_IRQ_BH 1
#define __HAVE_SHARED_IRQ 1
#define DRIVER_PREINSTALL() do { \
drm_i830_private_t *dev_priv = \
(drm_i830_private_t *)dev->dev_private; \
u16 tmp; \
tmp = I830_READ16( I830REG_HWSTAM ); \
tmp = tmp & 0x6000; \
I830_WRITE16( I830REG_HWSTAM, tmp ); \
\
tmp = I830_READ16( I830REG_INT_MASK_R ); \
tmp = tmp & 0x6000; /* Unmask interrupts */ \
I830_WRITE16( I830REG_INT_MASK_R, tmp ); \
tmp = I830_READ16( I830REG_INT_ENABLE_R ); \
tmp = tmp & 0x6000; /* Disable all interrupts */ \
I830_WRITE16( I830REG_INT_ENABLE_R, tmp ); \
} while (0)
#define DRIVER_POSTINSTALL() do { \
drm_i830_private_t *dev_priv = \
(drm_i830_private_t *)dev->dev_private; \
u16 tmp; \
tmp = I830_READ16( I830REG_INT_ENABLE_R ); \
tmp = tmp & 0x6000; \
tmp = tmp | 0x0003; /* Enable bp & user interrupts */ \
I830_WRITE16( I830REG_INT_ENABLE_R, tmp ); \
} while (0)
#define DRIVER_UNINSTALL() do { \
drm_i830_private_t *dev_priv = \
(drm_i830_private_t *)dev->dev_private; \
u16 tmp; \
if ( dev_priv ) { \
tmp = I830_READ16( I830REG_INT_IDENTITY_R ); \
tmp = tmp & ~(0x6000); /* Clear all interrupts */ \
if ( tmp != 0 ) \
I830_WRITE16( I830REG_INT_IDENTITY_R, tmp ); \
\
tmp = I830_READ16( I830REG_INT_ENABLE_R ); \
tmp = tmp & 0x6000; /* Disable all interrupts */ \
I830_WRITE16( I830REG_INT_ENABLE_R, tmp ); \
} \
} while (0)
/* Don't need an irq any more. The template code will make sure that
* a noop stub is generated for compatibility.
*/
#define __HAVE_DMA_IRQ 0
/* Buffer customization:
*/
......
This diff is collapsed.
......@@ -29,6 +29,7 @@
* Jeff Hartmann <jhartmann@valinux.com>
* Gareth Hughes <gareth@valinux.com>
* Abraham vd Merwe <abraham@2d3d.co.za>
* Keith Whitwell <keith@tungstengraphics.com>
*/
#include <linux/config.h>
......
......@@ -64,14 +64,13 @@ typedef struct drm_i830_private {
unsigned long hw_status_page;
unsigned long counter;
atomic_t flush_done;
wait_queue_head_t flush_queue; /* Processes waiting until flush */
drm_buf_t *mmap_buffer;
u32 front_di1, back_di1, zi1;
int back_offset;
int depth_offset;
int front_offset;
int w, h;
int pitch;
int back_pitch;
......@@ -107,14 +106,13 @@ extern int i830_swap_bufs(struct inode *inode, struct file *filp,
extern int i830_clear_bufs(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
#define I830_VERBOSE 0
#define I830_BASE(reg) ((unsigned long) \
dev_priv->mmio_map->handle)
#define I830_ADDR(reg) (I830_BASE(reg) + reg)
#define I830_DEREF(reg) *(__volatile__ int *)I830_ADDR(reg)
#define I830_READ(reg) I830_DEREF(reg)
#define I830_WRITE(reg,val) do { I830_DEREF(reg) = val; } while (0)
#define I830_DEREF(reg) *(__volatile__ unsigned int *)I830_ADDR(reg)
#define I830_READ(reg) readl((volatile u32 *)I830_ADDR(reg))
#define I830_WRITE(reg,val) writel(val, (volatile u32 *)I830_ADDR(reg))
#define I830_DEREF16(reg) *(__volatile__ u16 *)I830_ADDR(reg)
#define I830_READ16(reg) I830_DEREF16(reg)
#define I830_WRITE16(reg,val) do { I830_DEREF16(reg) = val; } while (0)
......@@ -143,15 +141,15 @@ extern int i830_clear_bufs(struct inode *inode, struct file *filp,
#define LP_RING 0x2030
#define HP_RING 0x2040
#define RING_TAIL 0x00
#define TAIL_ADDR 0x000FFFF8
#define TAIL_ADDR 0x001FFFF8
#define RING_HEAD 0x04
#define HEAD_WRAP_COUNT 0xFFE00000
#define HEAD_WRAP_ONE 0x00200000
#define HEAD_ADDR 0x001FFFFC
#define RING_START 0x08
#define START_ADDR 0x00FFFFF8
#define START_ADDR 0x0xFFFFF000
#define RING_LEN 0x0C
#define RING_NR_PAGES 0x000FF000
#define RING_NR_PAGES 0x001FF000
#define RING_REPORT_MASK 0x00000006
#define RING_REPORT_64K 0x00000002
#define RING_REPORT_128K 0x00000004
......@@ -182,6 +180,9 @@ extern int i830_clear_bufs(struct inode *inode, struct file *filp,
#define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
#define CMD_3D (0x3<<29)
#define STATE3D_CONST_BLEND_COLOR_CMD (CMD_3D|(0x1d<<24)|(0x88<<16))
#define STATE3D_MAP_COORD_SETBIND_CMD (CMD_3D|(0x1d<<24)|(0x02<<16))
#define BR00_BITBLT_CLIENT 0x40000000
#define BR00_OP_COLOR_BLT 0x10000000
......@@ -206,6 +207,8 @@ extern int i830_clear_bufs(struct inode *inode, struct file *filp,
#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20)
#define MI_BATCH_BUFFER ((0x30<<23)|1)
#define MI_BATCH_BUFFER_START (0x31<<23)
#define MI_BATCH_BUFFER_END (0xA<<23)
#define MI_BATCH_NON_SECURE (1)
......
......@@ -48,10 +48,10 @@
#define DRIVER_NAME "radeon"
#define DRIVER_DESC "ATI Radeon"
#define DRIVER_DATE "20020611"
#define DRIVER_DATE "20020828"
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 5
#define DRIVER_MINOR 6
#define DRIVER_PATCHLEVEL 0
/* Interface history:
......@@ -68,6 +68,11 @@
* 1.5 - Add r200 packets to cmdbuf ioctl
* - Add r200 function to init ioctl
* - Add 'scalar2' instruction to cmdbuf
* 1.6 - Add static agp memory manager
* Add irq handler (won't be turned on unless X server knows to)
* Add irq ioctls and irq_active getparam.
* Add wait command for cmdbuf ioctl
* Add agp offset query for getparam
*/
#define DRIVER_IOCTLS \
[DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { radeon_cp_buffers, 1, 0 }, \
......@@ -88,9 +93,18 @@
[DRM_IOCTL_NR(DRM_IOCTL_RADEON_VERTEX2)] = { radeon_cp_vertex2, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_RADEON_CMDBUF)] = { radeon_cp_cmdbuf, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_RADEON_GETPARAM)] = { radeon_cp_getparam, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_RADEON_FLIP)] = { radeon_cp_flip, 1, 0 },
[DRM_IOCTL_NR(DRM_IOCTL_RADEON_FLIP)] = { radeon_cp_flip, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_RADEON_ALLOC)] = { radeon_mem_alloc, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_RADEON_FREE)] = { radeon_mem_free, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_RADEON_INIT_HEAP)] = { radeon_mem_init_heap, 1, 1 }, \
[DRM_IOCTL_NR(DRM_IOCTL_RADEON_IRQ_EMIT)] = { radeon_irq_emit, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_RADEON_IRQ_WAIT)] = { radeon_irq_wait, 1, 0 },
/* Driver customization:
/* When a client dies:
* - Check for and clean up flipped page state
* - Free any alloced agp memory.
*
* DRM infrastructure takes care of reclaiming dma buffers.
*/
#define DRIVER_PRERELEASE() do { \
if ( dev->dev_private ) { \
......@@ -98,17 +112,73 @@
if ( dev_priv->page_flipping ) { \
radeon_do_cleanup_pageflip( dev ); \
} \
radeon_mem_release( dev_priv->agp_heap ); \
} \
} while (0)
/* On unloading the module:
* - Free memory heap structure
* - Remove mappings made at startup and free dev_private.
*/
#define DRIVER_PRETAKEDOWN() do { \
if ( dev->dev_private ) radeon_do_cleanup_cp( dev ); \
if ( dev->dev_private ) { \
drm_radeon_private_t *dev_priv = dev->dev_private; \
radeon_mem_takedown( &(dev_priv->agp_heap) ); \
radeon_do_cleanup_cp( dev ); \
} \
} while (0)
/* DMA customization:
*/
#define __HAVE_DMA 1
#define __HAVE_DMA_IRQ 1
#define __HAVE_DMA_IRQ_BH 1
#define __HAVE_SHARED_IRQ 1
#define DRIVER_PREINSTALL() do { \
drm_radeon_private_t *dev_priv = \
(drm_radeon_private_t *)dev->dev_private; \
u32 tmp; \
\
/* Clear bit if it's already high: */ \
tmp = RADEON_READ( RADEON_GEN_INT_STATUS ); \
tmp = tmp & RADEON_SW_INT_TEST_ACK; \
RADEON_WRITE( RADEON_GEN_INT_STATUS, tmp ); \
\
/* Disable *all* interrupts */ \
RADEON_WRITE( RADEON_GEN_INT_CNTL, 0 ); \
} while (0)
#ifdef __linux__
#define IWH(x) init_waitqueue_head(x)
#else
#define IWH(x)
#endif
#define DRIVER_POSTINSTALL() do { \
drm_radeon_private_t *dev_priv = \
(drm_radeon_private_t *)dev->dev_private; \
\
atomic_set(&dev_priv->irq_received, 0); \
atomic_set(&dev_priv->irq_emitted, 0); \
IWH(&dev_priv->irq_queue); \
\
/* Turn on SW_INT only */ \
RADEON_WRITE( RADEON_GEN_INT_CNTL, \
RADEON_SW_INT_ENABLE ); \
} while (0)
#define DRIVER_UNINSTALL() do { \
drm_radeon_private_t *dev_priv = \
(drm_radeon_private_t *)dev->dev_private; \
if ( dev_priv ) { \
/* Disable *all* interrupts */ \
RADEON_WRITE( RADEON_GEN_INT_CNTL, 0 ); \
} \
} while (0)
/* Buffer customization:
*/
#define DRIVER_BUF_PRIV_T drm_radeon_buf_priv_t
......
......@@ -1412,6 +1412,9 @@ int radeon_cp_idle( DRM_IOCTL_ARGS )
LOCK_TEST_WITH_RETURN( dev );
/* if (dev->irq) */
/* radeon_emit_and_wait_irq( dev ); */
return radeon_do_cp_idle( dev_priv );
}
......
......@@ -142,6 +142,9 @@
#define RADEON_CMD_PACKET3 5 /* emit hw packet */
#define RADEON_CMD_PACKET3_CLIP 6 /* emit hw packet wrapped in cliprects */
#define RADEON_CMD_SCALARS2 7 /* r200 stopgap */
#define RADEON_CMD_WAIT 8 /* emit hw wait commands -- note:
* doesn't make the cpu wait, just
* the graphics hardware */
typedef union {
......@@ -161,8 +164,14 @@ typedef union {
struct {
unsigned char cmd_type, buf_idx, pad0, pad1;
} dma;
struct {
unsigned char cmd_type, flags, pad0, pad1;
} wait;
} drm_radeon_cmd_header_t;
#define RADEON_WAIT_2D 0x1
#define RADEON_WAIT_3D 0x2
#define RADEON_FRONT 0x1
#define RADEON_BACK 0x2
......@@ -364,6 +373,11 @@ typedef struct {
#define DRM_IOCTL_RADEON_CMDBUF DRM_IOW( 0x50, drm_radeon_cmd_buffer_t)
#define DRM_IOCTL_RADEON_GETPARAM DRM_IOWR(0x51, drm_radeon_getparam_t)
#define DRM_IOCTL_RADEON_FLIP DRM_IO( 0x52)
#define DRM_IOCTL_RADEON_ALLOC DRM_IOWR( 0x53, drm_radeon_mem_alloc_t)
#define DRM_IOCTL_RADEON_FREE DRM_IOW( 0x54, drm_radeon_mem_free_t)
#define DRM_IOCTL_RADEON_INIT_HEAP DRM_IOW( 0x55, drm_radeon_mem_init_heap_t)
#define DRM_IOCTL_RADEON_IRQ_EMIT DRM_IOWR( 0x56, drm_radeon_irq_emit_t)
#define DRM_IOCTL_RADEON_IRQ_WAIT DRM_IOW( 0x57, drm_radeon_irq_wait_t)
typedef struct drm_radeon_init {
enum {
......@@ -499,14 +513,51 @@ typedef struct drm_radeon_indirect {
/* 1.3: An ioctl to get parameters that aren't available to the 3d
* client any other way.
*/
#define RADEON_PARAM_AGP_BUFFER_OFFSET 0x1
#define RADEON_PARAM_LAST_FRAME 0x2
#define RADEON_PARAM_LAST_DISPATCH 0x3
#define RADEON_PARAM_LAST_CLEAR 0x4
#define RADEON_PARAM_AGP_BUFFER_OFFSET 1 /* card offset of 1st agp buffer */
#define RADEON_PARAM_LAST_FRAME 2
#define RADEON_PARAM_LAST_DISPATCH 3
#define RADEON_PARAM_LAST_CLEAR 4
#define RADEON_PARAM_IRQ_ACTIVE 5
#define RADEON_PARAM_AGP_BASE 6 /* card offset of agp base */
typedef struct drm_radeon_getparam {
int param;
int *value;
} drm_radeon_getparam_t;
/* 1.6: Set up a memory manager for regions of shared memory:
*/
#define RADEON_MEM_REGION_AGP 1
#define RADEON_MEM_REGION_FB 2
typedef struct drm_radeon_mem_alloc {
int region;
int alignment;
int size;
int *region_offset; /* offset from start of fb or agp */
} drm_radeon_mem_alloc_t;
typedef struct drm_radeon_mem_free {
int region;
int region_offset;
} drm_radeon_mem_free_t;
typedef struct drm_radeon_mem_init_heap {
int region;
int size;
int start;
} drm_radeon_mem_init_heap_t;
/* 1.6: Userspace can request & wait on irq's:
*/
typedef struct drm_radeon_irq_emit {
int *irq_seq;
} drm_radeon_irq_emit_t;
typedef struct drm_radeon_irq_wait {
int irq_seq;
} drm_radeon_irq_wait_t;
#endif
......@@ -61,6 +61,15 @@ typedef struct drm_radeon_depth_clear_t {
u32 se_cntl;
} drm_radeon_depth_clear_t;
struct mem_block {
struct mem_block *next;
struct mem_block *prev;
int start;
int size;
int pid; /* 0: free, -1: heap, other: real pids */
};
typedef struct drm_radeon_private {
drm_radeon_ring_buffer_t ring;
drm_radeon_sarea_t *sarea_priv;
......@@ -126,6 +135,14 @@ typedef struct drm_radeon_private {
drm_map_t *ring_rptr;
drm_map_t *buffers;
drm_map_t *agp_textures;
struct mem_block *agp_heap;
struct mem_block *fb_heap;
wait_queue_head_t irq_queue;
atomic_t irq_received;
atomic_t irq_emitted;
} drm_radeon_private_t;
typedef struct drm_radeon_buf_priv {
......@@ -164,6 +181,20 @@ extern int radeon_cp_cmdbuf( DRM_IOCTL_ARGS );
extern int radeon_cp_getparam( DRM_IOCTL_ARGS );
extern int radeon_cp_flip( DRM_IOCTL_ARGS );
extern int radeon_mem_alloc( DRM_IOCTL_ARGS );
extern int radeon_mem_free( DRM_IOCTL_ARGS );
extern int radeon_mem_init_heap( DRM_IOCTL_ARGS );
extern void radeon_mem_takedown( struct mem_block **heap );
extern void radeon_mem_release( struct mem_block *heap );
extern int radeon_irq_emit( DRM_IOCTL_ARGS );
extern int radeon_irq_wait( DRM_IOCTL_ARGS );
extern int radeon_emit_and_wait_irq(drm_device_t *dev);
extern int radeon_wait_irq(drm_device_t *dev, int irq_nr);
extern int radeon_emit_irq(drm_device_t *dev);
/* Flags for stats.boxes
*/
#define RADEON_BOX_DMA_IDLE 0x1
......@@ -238,6 +269,16 @@ extern int radeon_cp_flip( DRM_IOCTL_ARGS );
? DRM_READ32( &dev_priv->scratch[(x)] ) \
: RADEON_READ( RADEON_SCRATCH_REG0 + 4*(x) ) )
#define RADEON_GEN_INT_CNTL 0x0040
# define RADEON_GUI_IDLE_INT_ENABLE (1 << 19)
# define RADEON_SW_INT_ENABLE (1 << 25)
#define RADEON_GEN_INT_STATUS 0x0044
# define RADEON_GUI_IDLE_INT_TEST_ACK (1 << 19)
# define RADEON_SW_INT_TEST_ACK (1 << 25)
# define RADEON_SW_INT_FIRE (1 << 26)
#define RADEON_HOST_PATH_CNTL 0x0130
# define RADEON_HDP_SOFT_RESET (1 << 26)
# define RADEON_HDP_WC_TIMEOUT_MASK (7 << 28)
......@@ -526,6 +567,8 @@ extern int radeon_cp_flip( DRM_IOCTL_ARGS );
#define RADEON_TXFORMAT_ARGB4444 5
#define RADEON_TXFORMAT_ARGB8888 6
#define RADEON_TXFORMAT_RGBA8888 7
#define RADEON_TXFORMAT_VYUY422 10
#define RADEON_TXFORMAT_YVYU422 11
#define R200_PP_TXCBLEND_0 0x2f00
#define R200_PP_TXCBLEND_1 0x2f10
......
/* radeon_mem.c -- Simple agp/fb memory manager for radeon -*- linux-c -*-
*
* Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
*
* The Weather Channel (TM) funded Tungsten Graphics to develop the
* initial release of the Radeon 8500 driver under the XFree86 license.
* This notice must be preserved.
*
* 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.
*
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
*/
#include "radeon.h"
#include "drmP.h"
#include "drm.h"
#include "radeon_drm.h"
#include "radeon_drv.h"
/* Interrupts - Used for device synchronization and flushing in the
* following circumstances:
*
* - Exclusive FB access with hw idle:
* - Wait for GUI Idle (?) interrupt, then do normal flush.
*
* - Frame throttling, NV_fence:
* - Drop marker irq's into command stream ahead of time.
* - Wait on irq's with lock *not held*
* - Check each for termination condition
*
* - Internally in cp_getbuffer, etc:
* - as above, but wait with lock held???
*
* NOTE: These functions are misleadingly named -- the irq's aren't
* tied to dma at all, this is just a hangover from dri prehistory.
*/
void DRM(dma_service)( DRM_IRQ_ARGS )
{
drm_device_t *dev = (drm_device_t *) arg;
drm_radeon_private_t *dev_priv =
(drm_radeon_private_t *)dev->dev_private;
u32 temp;
/* Need to wait for fifo to drain?
*/
temp = RADEON_READ(RADEON_GEN_INT_STATUS);
temp = temp & RADEON_SW_INT_TEST_ACK;
if (temp == 0) return;
RADEON_WRITE(RADEON_GEN_INT_STATUS, temp);
atomic_inc(&dev_priv->irq_received);
#ifdef __linux__
queue_task(&dev->tq, &tq_immediate);
mark_bh(IMMEDIATE_BH);
#endif /* __linux__ */
#ifdef __FreeBSD__
taskqueue_enqueue(taskqueue_swi, &dev->task);
#endif /* __FreeBSD__ */
}
void DRM(dma_immediate_bh)( DRM_TASKQUEUE_ARGS )
{
drm_device_t *dev = (drm_device_t *) arg;
drm_radeon_private_t *dev_priv =
(drm_radeon_private_t *)dev->dev_private;
#ifdef __linux__
wake_up_interruptible(&dev_priv->irq_queue);
#endif /* __linux__ */
#ifdef __FreeBSD__
wakeup( &dev_priv->irq_queue );
#endif
}
int radeon_emit_irq(drm_device_t *dev)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
RING_LOCALS;
atomic_inc(&dev_priv->irq_emitted);
BEGIN_RING(2);
OUT_RING( CP_PACKET0( RADEON_GEN_INT_STATUS, 0 ) );
OUT_RING( RADEON_SW_INT_FIRE );
ADVANCE_RING();
COMMIT_RING();
return atomic_read(&dev_priv->irq_emitted);
}
int radeon_wait_irq(drm_device_t *dev, int irq_nr)
{
drm_radeon_private_t *dev_priv =
(drm_radeon_private_t *)dev->dev_private;
#ifdef __linux__
DECLARE_WAITQUEUE(entry, current);
unsigned long end = jiffies + HZ*3;
#endif /* __linux__ */
int ret = 0;
if (atomic_read(&dev_priv->irq_received) >= irq_nr)
return 0;
dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
#ifdef __linux__
add_wait_queue(&dev_priv->irq_queue, &entry);
for (;;) {
current->state = TASK_INTERRUPTIBLE;
if (atomic_read(&dev_priv->irq_received) >= irq_nr)
break;
if((signed)(end - jiffies) <= 0) {
ret = -EBUSY; /* Lockup? Missed irq? */
break;
}
schedule_timeout(HZ*3);
if (signal_pending(current)) {
ret = -EINTR;
break;
}
}
current->state = TASK_RUNNING;
remove_wait_queue(&dev_priv->irq_queue, &entry);
return ret;
#endif /* __linux__ */
#ifdef __FreeBSD__
ret = tsleep( &dev_priv->irq_queue, PZERO | PCATCH, \
"rdnirq", 3*hz );
if ( (ret == EWOULDBLOCK) || (ret == EINTR) )
return DRM_ERR(EBUSY);
return ret;
#endif /* __FreeBSD__ */
}
int radeon_emit_and_wait_irq(drm_device_t *dev)
{
return radeon_wait_irq( dev, radeon_emit_irq(dev) );
}
/* Needs the lock as it touches the ring.
*/
int radeon_irq_emit( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_irq_emit_t emit;
int result;
LOCK_TEST_WITH_RETURN( dev );
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL( emit, (drm_radeon_irq_emit_t *)data,
sizeof(emit) );
result = radeon_emit_irq( dev );
if ( DRM_COPY_TO_USER( emit.irq_seq, &result, sizeof(int) ) ) {
DRM_ERROR( "copy_to_user\n" );
return DRM_ERR(EFAULT);
}
return 0;
}
/* Doesn't need the hardware lock.
*/
int radeon_irq_wait( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_irq_wait_t irqwait;
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL( irqwait, (drm_radeon_irq_wait_t *)data,
sizeof(irqwait) );
return radeon_wait_irq( dev, irqwait.irq_seq );
}
/* radeon_mem.c -- Simple agp/fb memory manager for radeon -*- linux-c -*-
*
* Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
*
* The Weather Channel (TM) funded Tungsten Graphics to develop the
* initial release of the Radeon 8500 driver under the XFree86 license.
* This notice must be preserved.
*
* 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.
*
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
*/
#include "radeon.h"
#include "drmP.h"
#include "drm.h"
#include "radeon_drm.h"
#include "radeon_drv.h"
/* Very simple allocator for agp memory, working on a static range
* already mapped into each client's address space.
*/
static struct mem_block *split_block(struct mem_block *p, int start, int size,
int pid )
{
/* Maybe cut off the start of an existing block */
if (start > p->start) {
struct mem_block *newblock = DRM_MALLOC(sizeof(*newblock));
if (!newblock)
goto out;
newblock->start = start;
newblock->size = p->size - (start - p->start);
newblock->pid = 0;
newblock->next = p->next;
newblock->prev = p;
p->next->prev = newblock;
p->next = newblock;
p->size -= newblock->size;
p = newblock;
}
/* Maybe cut off the end of an existing block */
if (size < p->size) {
struct mem_block *newblock = DRM_MALLOC(sizeof(*newblock));
if (!newblock)
goto out;
newblock->start = start + size;
newblock->size = p->size - size;
newblock->pid = 0;
newblock->next = p->next;
newblock->prev = p;
p->next->prev = newblock;
p->next = newblock;
p->size = size;
}
out:
/* Our block is in the middle */
p->pid = pid;
return p;
}
static struct mem_block *alloc_block( struct mem_block *heap, int size,
int align2, int pid )
{
struct mem_block *p;
int mask = (1 << align2)-1;
for (p = heap->next ; p != heap ; p = p->next) {
int start = (p->start + mask) & ~mask;
if (p->pid == 0 && start + size <= p->start + p->size)
return split_block( p, start, size, pid );
}
return NULL;
}
static struct mem_block *find_block( struct mem_block *heap, int start )
{
struct mem_block *p;
for (p = heap->next ; p != heap ; p = p->next)
if (p->start == start)
return p;
return NULL;
}
static void free_block( struct mem_block *p )
{
p->pid = 0;
/* Assumes a single contiguous range. Needs a special pid in
* 'heap' to stop it being subsumed.
*/
if (p->next->pid == 0) {
struct mem_block *q = p->next;
p->size += q->size;
p->next = q->next;
p->next->prev = p;
DRM_FREE(p);
}
if (p->prev->pid == 0) {
struct mem_block *q = p->prev;
q->size += p->size;
q->next = p->next;
q->next->prev = q;
DRM_FREE(p);
}
}
static void print_heap( struct mem_block *heap )
{
struct mem_block *p;
for (p = heap->next ; p != heap ; p = p->next)
DRM_DEBUG("0x%x..0x%x (0x%x) -- owner %d\n",
p->start, p->start + p->size,
p->size, p->pid);
}
/* Initialize. How to check for an uninitialized heap?
*/
static int init_heap(struct mem_block **heap, int start, int size)
{
struct mem_block *blocks = DRM_MALLOC(sizeof(*blocks));
if (!blocks)
return -ENOMEM;
*heap = DRM_MALLOC(sizeof(**heap));
if (!*heap) {
DRM_FREE( blocks );
return -ENOMEM;
}
blocks->start = start;
blocks->size = size;
blocks->pid = 0;
blocks->next = blocks->prev = *heap;
memset( *heap, 0, sizeof(**heap) );
(*heap)->pid = -1;
(*heap)->next = (*heap)->prev = blocks;
return 0;
}
/* Free all blocks associated with the releasing pid.
*/
void radeon_mem_release( struct mem_block *heap )
{
int pid = DRM_CURRENTPID;
struct mem_block *p;
if (!heap || !heap->next)
return;
for (p = heap->next ; p != heap ; p = p->next) {
if (p->pid == pid)
p->pid = 0;
}
/* Assumes a single contiguous range. Needs a special pid in
* 'heap' to stop it being subsumed.
*/
for (p = heap->next ; p != heap ; p = p->next) {
while (p->pid == 0 && p->next->pid == 0) {
struct mem_block *q = p->next;
p->size += q->size;
p->next = q->next;
p->next->prev = p;
DRM_FREE(q);
}
}
}
/* Shutdown.
*/
void radeon_mem_takedown( struct mem_block **heap )
{
struct mem_block *p;
if (!*heap)
return;
for (p = (*heap)->next ; p != *heap ; ) {
struct mem_block *q = p;
p = p->next;
DRM_FREE(q);
}
DRM_FREE( *heap );
*heap = 0;
}
/* IOCTL HANDLERS */
static struct mem_block **get_heap( drm_radeon_private_t *dev_priv,
int region )
{
switch( region ) {
case RADEON_MEM_REGION_AGP:
return &dev_priv->agp_heap;
case RADEON_MEM_REGION_FB:
return &dev_priv->fb_heap;
default:
return 0;
}
}
int radeon_mem_alloc( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_mem_alloc_t alloc;
struct mem_block *block, **heap;
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL( alloc, (drm_radeon_mem_alloc_t *)data,
sizeof(alloc) );
heap = get_heap( dev_priv, alloc.region );
if (!heap || !*heap)
return DRM_ERR(EFAULT);
/* Make things easier on ourselves: all allocations at least
* 4k aligned.
*/
if (alloc.alignment < 12)
alloc.alignment = 12;
block = alloc_block( *heap, alloc.size, alloc.alignment,
DRM_CURRENTPID );
if (!block)
return DRM_ERR(ENOMEM);
if ( DRM_COPY_TO_USER( alloc.region_offset, &block->start,
sizeof(int) ) ) {
DRM_ERROR( "copy_to_user\n" );
return DRM_ERR(EFAULT);
}
return 0;
}
int radeon_mem_free( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_mem_free_t memfree;
struct mem_block *block, **heap;
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL( memfree, (drm_radeon_mem_free_t *)data,
sizeof(memfree) );
heap = get_heap( dev_priv, memfree.region );
if (!heap || !*heap)
return DRM_ERR(EFAULT);
block = find_block( *heap, memfree.region_offset );
if (!block)
return DRM_ERR(EFAULT);
if (block->pid != DRM_CURRENTPID)
return DRM_ERR(EPERM);
free_block( block );
return 0;
}
int radeon_mem_init_heap( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_mem_init_heap_t initheap;
struct mem_block **heap;
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL( initheap, (drm_radeon_mem_init_heap_t *)data,
sizeof(initheap) );
heap = get_heap( dev_priv, initheap.region );
if (!heap)
return DRM_ERR(EFAULT);
if (*heap) {
DRM_ERROR("heap already initialized?");
return DRM_ERR(EFAULT);
}
return init_heap( heap, initheap.start, initheap.size );
}
......@@ -719,7 +719,6 @@ static void radeon_cp_dispatch_swap( drm_device_t *dev )
RING_LOCALS;
DRM_DEBUG( "\n" );
/* Do some trivial performance monitoring...
*/
if (dev_priv->do_boxes)
......@@ -1088,6 +1087,8 @@ static int radeon_cp_dispatch_texture( drm_device_t *dev,
case RADEON_TXFORMAT_ARGB1555:
case RADEON_TXFORMAT_RGB565:
case RADEON_TXFORMAT_ARGB4444:
case RADEON_TXFORMAT_VYUY422:
case RADEON_TXFORMAT_YVYU422:
format = RADEON_COLOR_FORMAT_RGB565;
tex_width = tex->width * 2;
blit_width = image->width * 2;
......@@ -1226,6 +1227,7 @@ static int radeon_cp_dispatch_texture( drm_device_t *dev,
return ret;
}
static void radeon_cp_dispatch_stipple( drm_device_t *dev, u32 *stipple )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
......@@ -1306,6 +1308,9 @@ static int radeon_do_init_pageflip( drm_device_t *dev )
return 0;
}
/* Called whenever a client dies, from DRM(release).
* NOTE: Lock isn't necessarily held when this is called!
*/
int radeon_do_cleanup_pageflip( drm_device_t *dev )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
......@@ -1936,14 +1941,18 @@ static int radeon_emit_packet3_cliprect( drm_device_t *dev,
if ( i < cmdbuf->nbox ) {
if (DRM_COPY_FROM_USER_UNCHECKED( &box, &boxes[i], sizeof(box) ))
return DRM_ERR(EFAULT);
/* FIXME The second and subsequent times round this loop, send a
* WAIT_UNTIL_3D_IDLE before calling emit_clip_rect(). This
* fixes a lockup on fast machines when sending several
* cliprects with a cmdbuf, as when waving a 2D window over
* a 3D window. Something in the commands from user space
* seems to hang the card when they're sent several times
* in a row. That would be the correct place to fix it but
* this works around it until I can figure that out - Tim Smith */
/* FIXME The second and subsequent times round
* this loop, send a WAIT_UNTIL_3D_IDLE before
* calling emit_clip_rect(). This fixes a
* lockup on fast machines when sending
* several cliprects with a cmdbuf, as when
* waving a 2D window over a 3D
* window. Something in the commands from user
* space seems to hang the card when they're
* sent several times in a row. That would be
* the correct place to fix it but this works
* around it until I can figure that out - Tim
* Smith */
if ( i ) {
BEGIN_RING( 2 );
RADEON_WAIT_UNTIL_3D_IDLE();
......@@ -1967,6 +1976,34 @@ static int radeon_emit_packet3_cliprect( drm_device_t *dev,
}
static int radeon_emit_wait( drm_device_t *dev, int flags )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
RING_LOCALS;
DRM_DEBUG("%s: %x\n", __FUNCTION__, flags);
switch (flags) {
case RADEON_WAIT_2D:
BEGIN_RING( 2 );
RADEON_WAIT_UNTIL_2D_IDLE();
ADVANCE_RING();
break;
case RADEON_WAIT_3D:
BEGIN_RING( 2 );
RADEON_WAIT_UNTIL_3D_IDLE();
ADVANCE_RING();
break;
case RADEON_WAIT_2D|RADEON_WAIT_3D:
BEGIN_RING( 2 );
RADEON_WAIT_UNTIL_IDLE();
ADVANCE_RING();
break;
default:
return DRM_ERR(EINVAL);
}
return 0;
}
int radeon_cp_cmdbuf( DRM_IOCTL_ARGS )
{
......@@ -1989,7 +2026,6 @@ int radeon_cp_cmdbuf( DRM_IOCTL_ARGS )
DRM_COPY_FROM_USER_IOCTL( cmdbuf, (drm_radeon_cmd_buffer_t *)data,
sizeof(cmdbuf) );
DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID );
RING_SPACE_TEST_WITH_RETURN( dev_priv );
VB_AGE_TEST_WITH_RETURN( dev_priv );
......@@ -2080,6 +2116,14 @@ int radeon_cp_cmdbuf( DRM_IOCTL_ARGS )
return DRM_ERR(EINVAL);
}
break;
case RADEON_CMD_WAIT:
DRM_DEBUG("RADEON_CMD_WAIT\n");
if (radeon_emit_wait( dev, header.wait.flags )) {
DRM_ERROR("radeon_emit_wait failed\n");
return DRM_ERR(EINVAL);
}
break;
default:
DRM_ERROR("bad cmd_type %d at %p\n",
header.header.cmd_type,
......@@ -2128,6 +2172,12 @@ int radeon_cp_getparam( DRM_IOCTL_ARGS )
dev_priv->stats.last_clear_reads++;
value = GET_SCRATCH( 2 );
break;
case RADEON_PARAM_IRQ_ACTIVE:
value = dev->irq ? 1 : 0;
break;
case RADEON_PARAM_AGP_BASE:
value = dev_priv->agp_vm_start;
break;
default:
return DRM_ERR(EINVAL);
}
......
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