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drm: update VIA driver to 2.7.2
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Add PCI DMA blitengine to VIA DRM
Add portability code for porting VIA to FreeBSD.
Sync via_drm.h with 3d driver

From: Thomas Hellstrom <unichrome@shipmail.org>, Eric Anholt <anholt@freebsd.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
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Dave Airlie authored and Dave Airlie committed Nov 12, 2005
1 parent 792d2b9 commit 9251424
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Showing 12 changed files with 211 additions and 98 deletions.
2 changes: 1 addition & 1 deletion drivers/char/drm/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ 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
sis-objs := sis_drv.o sis_ds.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-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

ifeq ($(CONFIG_COMPAT),y)
drm-objs += drm_ioc32.o
Expand Down
1 change: 1 addition & 0 deletions drivers/char/drm/drm_os_linux.h
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
#define DRM_ERR(d) -(d)
/** Current process ID */
#define DRM_CURRENTPID current->pid
#define DRM_SUSER(p) capable(CAP_SYS_ADMIN)
#define DRM_UDELAY(d) udelay(d)
/** Read a byte from a MMIO region */
#define DRM_READ8(map, offset) readb(((void __iomem *)(map)->handle) + (offset))
Expand Down
36 changes: 26 additions & 10 deletions drivers/char/drm/via_dma.c
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Original file line number Diff line number Diff line change
Expand Up @@ -213,7 +213,9 @@ static int via_initialize(drm_device_t * dev,
dev_priv->dma_wrap = init->size;
dev_priv->dma_offset = init->offset;
dev_priv->last_pause_ptr = NULL;
dev_priv->hw_addr_ptr = dev_priv->mmio->handle + init->reg_pause_addr;
dev_priv->hw_addr_ptr =
(volatile uint32_t *)((char *)dev_priv->mmio->handle +
init->reg_pause_addr);

via_cmdbuf_start(dev_priv);

Expand All @@ -232,13 +234,13 @@ int via_dma_init(DRM_IOCTL_ARGS)

switch (init.func) {
case VIA_INIT_DMA:
if (!capable(CAP_SYS_ADMIN))
if (!DRM_SUSER(DRM_CURPROC))
retcode = DRM_ERR(EPERM);
else
retcode = via_initialize(dev, dev_priv, &init);
break;
case VIA_CLEANUP_DMA:
if (!capable(CAP_SYS_ADMIN))
if (!DRM_SUSER(DRM_CURPROC))
retcode = DRM_ERR(EPERM);
else
retcode = via_dma_cleanup(dev);
Expand Down Expand Up @@ -349,9 +351,6 @@ int via_cmdbuffer(DRM_IOCTL_ARGS)
return 0;
}

extern int
via_parse_command_stream(drm_device_t * dev, const uint32_t * buf,
unsigned int size);
static int via_dispatch_pci_cmdbuffer(drm_device_t * dev,
drm_via_cmdbuffer_t * cmd)
{
Expand Down Expand Up @@ -450,9 +449,9 @@ static int via_hook_segment(drm_via_private_t * dev_priv,
if ((count <= 8) && (count >= 0)) {
uint32_t rgtr, ptr;
rgtr = *(dev_priv->hw_addr_ptr);
ptr = ((char *)dev_priv->last_pause_ptr - dev_priv->dma_ptr) +
dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr + 4 -
CMDBUF_ALIGNMENT_SIZE;
ptr = ((volatile char *)dev_priv->last_pause_ptr -
dev_priv->dma_ptr) + dev_priv->dma_offset +
(uint32_t) dev_priv->agpAddr + 4 - CMDBUF_ALIGNMENT_SIZE;
if (rgtr <= ptr) {
DRM_ERROR
("Command regulator\npaused at count %d, address %x, "
Expand All @@ -472,7 +471,7 @@ static int via_hook_segment(drm_via_private_t * dev_priv,
&& count--) ;

rgtr = *(dev_priv->hw_addr_ptr);
ptr = ((char *)paused_at - dev_priv->dma_ptr) +
ptr = ((volatile char *)paused_at - dev_priv->dma_ptr) +
dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr + 4;

ptr_low = (ptr > 3 * CMDBUF_ALIGNMENT_SIZE) ?
Expand Down Expand Up @@ -724,3 +723,20 @@ int via_cmdbuf_size(DRM_IOCTL_ARGS)
sizeof(d_siz));
return ret;
}

drm_ioctl_desc_t via_ioctls[] = {
[DRM_IOCTL_NR(DRM_VIA_ALLOCMEM)] = {via_mem_alloc, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_FREEMEM)] = {via_mem_free, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_AGP_INIT)] = {via_agp_init, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_FB_INIT)] = {via_fb_init, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_MAP_INIT)] = {via_map_init, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_DEC_FUTEX)] = {via_decoder_futex, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_DMA_INIT)] = {via_dma_init, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_CMDBUFFER)] = {via_cmdbuffer, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_FLUSH)] = {via_flush_ioctl, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_PCICMD)] = {via_pci_cmdbuffer, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_CMDBUF_SIZE)] = {via_cmdbuf_size, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_WAIT_IRQ)] = {via_wait_irq, 1, 0}
};

int via_max_ioctl = DRM_ARRAY_SIZE(via_ioctls);
60 changes: 43 additions & 17 deletions drivers/char/drm/via_drm.h
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,8 @@
#define DRM_VIA_CMDBUF_SIZE 0x0b
#define NOT_USED
#define DRM_VIA_WAIT_IRQ 0x0d
#define DRM_VIA_DMA_BLIT 0x0e
#define DRM_VIA_BLIT_SYNC 0x0f

#define DRM_IOCTL_VIA_ALLOCMEM DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_ALLOCMEM, drm_via_mem_t)
#define DRM_IOCTL_VIA_FREEMEM DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_FREEMEM, drm_via_mem_t)
Expand All @@ -89,6 +91,8 @@
#define DRM_IOCTL_VIA_CMDBUF_SIZE DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_CMDBUF_SIZE, \
drm_via_cmdbuf_size_t)
#define DRM_IOCTL_VIA_WAIT_IRQ DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_WAIT_IRQ, drm_via_irqwait_t)
#define DRM_IOCTL_VIA_DMA_BLIT DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_DMA_BLIT, drm_via_dmablit_t)
#define DRM_IOCTL_VIA_BLIT_SYNC DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_BLIT_SYNC, drm_via_blitsync_t)

/* Indices into buf.Setup where various bits of state are mirrored per
* context and per buffer. These can be fired at the card as a unit,
Expand All @@ -103,8 +107,12 @@
#define VIA_BACK 0x2
#define VIA_DEPTH 0x4
#define VIA_STENCIL 0x8
#define VIDEO 0
#define AGP 1
#define VIA_MEM_VIDEO 0 /* matches drm constant */
#define VIA_MEM_AGP 1 /* matches drm constant */
#define VIA_MEM_SYSTEM 2
#define VIA_MEM_MIXED 3
#define VIA_MEM_UNKNOWN 4

typedef struct {
uint32_t offset;
uint32_t size;
Expand Down Expand Up @@ -192,6 +200,9 @@ typedef struct _drm_via_sarea {
unsigned int XvMCSubPicOn[VIA_NR_XVMC_PORTS];
unsigned int XvMCCtxNoGrabbed; /* Last context to hold decoder */

/* Used bt the 3d driver only at this point, for pageflipping:
*/
unsigned int pfCurrentOffset;
} drm_via_sarea_t;

typedef struct _drm_via_cmdbuf_size {
Expand All @@ -212,6 +223,16 @@ typedef enum {

#define VIA_IRQ_FLAGS_MASK 0xF0000000

enum drm_via_irqs {
drm_via_irq_hqv0 = 0,
drm_via_irq_hqv1,
drm_via_irq_dma0_dd,
drm_via_irq_dma0_td,
drm_via_irq_dma1_dd,
drm_via_irq_dma1_td,
drm_via_irq_num
};

struct drm_via_wait_irq_request {
unsigned irq;
via_irq_seq_type_t type;
Expand All @@ -224,20 +245,25 @@ typedef union drm_via_irqwait {
struct drm_wait_vblank_reply reply;
} drm_via_irqwait_t;

#ifdef __KERNEL__

int via_fb_init(DRM_IOCTL_ARGS);
int via_mem_alloc(DRM_IOCTL_ARGS);
int via_mem_free(DRM_IOCTL_ARGS);
int via_agp_init(DRM_IOCTL_ARGS);
int via_map_init(DRM_IOCTL_ARGS);
int via_decoder_futex(DRM_IOCTL_ARGS);
int via_dma_init(DRM_IOCTL_ARGS);
int via_cmdbuffer(DRM_IOCTL_ARGS);
int via_flush_ioctl(DRM_IOCTL_ARGS);
int via_pci_cmdbuffer(DRM_IOCTL_ARGS);
int via_cmdbuf_size(DRM_IOCTL_ARGS);
int via_wait_irq(DRM_IOCTL_ARGS);
typedef struct drm_via_blitsync {
uint32_t sync_handle;
unsigned engine;
} drm_via_blitsync_t;

typedef struct drm_via_dmablit {
uint32_t num_lines;
uint32_t line_length;

uint32_t fb_addr;
uint32_t fb_stride;

unsigned char *mem_addr;
uint32_t mem_stride;

int bounce_buffer;
int to_fb;

drm_via_blitsync_t sync;
} drm_via_dmablit_t;

#endif
#endif /* _VIA_DRM_H_ */
21 changes: 4 additions & 17 deletions drivers/char/drm/via_drv.c
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Original file line number Diff line number Diff line change
Expand Up @@ -38,25 +38,12 @@ static struct pci_device_id pciidlist[] = {
viadrv_PCI_IDS
};

static drm_ioctl_desc_t ioctls[] = {
[DRM_IOCTL_NR(DRM_VIA_ALLOCMEM)] = {via_mem_alloc, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_FREEMEM)] = {via_mem_free, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_AGP_INIT)] = {via_agp_init, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_FB_INIT)] = {via_fb_init, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_MAP_INIT)] = {via_map_init, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_DEC_FUTEX)] = {via_decoder_futex, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_DMA_INIT)] = {via_dma_init, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_CMDBUFFER)] = {via_cmdbuffer, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_FLUSH)] = {via_flush_ioctl, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_PCICMD)] = {via_pci_cmdbuffer, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_CMDBUF_SIZE)] = {via_cmdbuf_size, 1, 0},
[DRM_IOCTL_NR(DRM_VIA_WAIT_IRQ)] = {via_wait_irq, 1, 0}
};

static struct drm_driver driver = {
.driver_features =
DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ |
DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
.load = via_driver_load,
.unload = via_driver_unload,
.context_ctor = via_init_context,
.context_dtor = via_final_context,
.vblank_wait = via_driver_vblank_wait,
Expand All @@ -69,8 +56,7 @@ static struct drm_driver driver = {
.reclaim_buffers = drm_core_reclaim_buffers,
.get_map_ofs = drm_core_get_map_ofs,
.get_reg_ofs = drm_core_get_reg_ofs,
.ioctls = ioctls,
.num_ioctls = DRM_ARRAY_SIZE(ioctls),
.ioctls = via_ioctls,
.fops = {
.owner = THIS_MODULE,
.open = drm_open,
Expand All @@ -95,6 +81,7 @@ static struct drm_driver driver = {

static int __init via_init(void)
{
driver.num_ioctls = via_max_ioctl;
via_init_command_verifier();
return drm_init(&driver);
}
Expand Down
56 changes: 43 additions & 13 deletions drivers/char/drm/via_drv.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -24,24 +24,26 @@
#ifndef _VIA_DRV_H_
#define _VIA_DRV_H_

#define DRIVER_AUTHOR "VIA"
#define DRIVER_AUTHOR "Various"

#define DRIVER_NAME "via"
#define DRIVER_DESC "VIA Unichrome / Pro"
#define DRIVER_DATE "20050523"
#define DRIVER_DATE "20051022"

#define DRIVER_MAJOR 2
#define DRIVER_MINOR 6
#define DRIVER_PATCHLEVEL 3
#define DRIVER_MINOR 7
#define DRIVER_PATCHLEVEL 2

#include "via_verifier.h"

#include "via_dmablit.h"

#define VIA_PCI_BUF_SIZE 60000
#define VIA_FIRE_BUF_SIZE 1024
#define VIA_NUM_IRQS 2
#define VIA_NUM_IRQS 4

typedef struct drm_via_ring_buffer {
drm_map_t map;
drm_local_map_t map;
char *virtual_start;
} drm_via_ring_buffer_t;

Expand All @@ -56,9 +58,9 @@ typedef struct drm_via_irq {

typedef struct drm_via_private {
drm_via_sarea_t *sarea_priv;
drm_map_t *sarea;
drm_map_t *fb;
drm_map_t *mmio;
drm_local_map_t *sarea;
drm_local_map_t *fb;
drm_local_map_t *mmio;
unsigned long agpAddr;
wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS];
char *dma_ptr;
Expand All @@ -82,8 +84,15 @@ typedef struct drm_via_private {
maskarray_t *irq_masks;
uint32_t irq_enable_mask;
uint32_t irq_pending_mask;
int *irq_map;
drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES];
} drm_via_private_t;

enum via_family {
VIA_OTHER = 0,
VIA_PRO_GROUP_A,
};

/* VIA MMIO register access */
#define VIA_BASE ((dev_priv->mmio))

Expand All @@ -92,12 +101,31 @@ typedef struct drm_via_private {
#define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg)
#define VIA_WRITE8(reg,val) DRM_WRITE8(VIA_BASE, reg, val)

extern drm_ioctl_desc_t via_ioctls[];
extern int via_max_ioctl;

extern int via_fb_init(DRM_IOCTL_ARGS);
extern int via_mem_alloc(DRM_IOCTL_ARGS);
extern int via_mem_free(DRM_IOCTL_ARGS);
extern int via_agp_init(DRM_IOCTL_ARGS);
extern int via_map_init(DRM_IOCTL_ARGS);
extern int via_decoder_futex(DRM_IOCTL_ARGS);
extern int via_dma_init(DRM_IOCTL_ARGS);
extern int via_cmdbuffer(DRM_IOCTL_ARGS);
extern int via_flush_ioctl(DRM_IOCTL_ARGS);
extern int via_pci_cmdbuffer(DRM_IOCTL_ARGS);
extern int via_cmdbuf_size(DRM_IOCTL_ARGS);
extern int via_wait_irq(DRM_IOCTL_ARGS);
extern int via_dma_blit_sync( DRM_IOCTL_ARGS );
extern int via_dma_blit( DRM_IOCTL_ARGS );

extern int via_driver_load(drm_device_t *dev, unsigned long chipset);
extern int via_driver_unload(drm_device_t *dev);

extern int via_init_context(drm_device_t * dev, int context);
extern int via_final_context(drm_device_t * dev, int context);

extern int via_do_cleanup_map(drm_device_t * dev);
extern int via_map_init(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence);

extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
Expand All @@ -111,8 +139,10 @@ extern int via_driver_dma_quiescent(drm_device_t * dev);
extern void via_init_futex(drm_via_private_t * dev_priv);
extern void via_cleanup_futex(drm_via_private_t * dev_priv);
extern void via_release_futex(drm_via_private_t * dev_priv, int context);
extern int via_driver_irq_wait(drm_device_t * dev, unsigned int irq,
int force_sequence, unsigned int *sequence);

extern int via_parse_command_stream(drm_device_t * dev, const uint32_t * buf,
unsigned int size);
extern void via_dmablit_handler(drm_device_t *dev, int engine, int from_irq);
extern void via_init_dmablit(drm_device_t *dev);

#endif
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