diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/drm/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/char/drm/mga_dma.c | 601 | ||||
| -rw-r--r-- | drivers/char/drm/mga_drm.h | 95 | ||||
| -rw-r--r-- | drivers/char/drm/mga_drv.h | 96 | ||||
| -rw-r--r-- | drivers/char/drm/mga_irq.c | 72 | ||||
| -rw-r--r-- | drivers/char/drm/mga_state.c | 158 | ||||
| -rw-r--r-- | drivers/char/drm/mga_warp.c | 141 |
7 files changed, 888 insertions, 277 deletions
diff --git a/drivers/char/drm/Kconfig b/drivers/char/drm/Kconfig index 123417e4304..d6c50312aec 100644 --- a/drivers/char/drm/Kconfig +++ b/drivers/char/drm/Kconfig @@ -82,7 +82,7 @@ endchoice config DRM_MGA tristate "Matrox g200/g400" - depends on DRM && AGP + depends on DRM help Choose this option if you have a Matrox G200, G400 or G450 graphics card. If M is selected, the module will be called mga. AGP diff --git a/drivers/char/drm/mga_dma.c b/drivers/char/drm/mga_dma.c index 832eaf8a506..7899e281d06 100644 --- a/drivers/char/drm/mga_dma.c +++ b/drivers/char/drm/mga_dma.c @@ -23,18 +23,21 @@ * 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> - * Jeff Hartmann <jhartmann@valinux.com> - * Keith Whitwell <keith@tungstengraphics.com> - * - * Rewritten by: - * Gareth Hughes <gareth@valinux.com> + */ + +/** + * \file mga_dma.c + * DMA support for MGA G200 / G400. + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Jeff Hartmann <jhartmann@valinux.com> + * \author Keith Whitwell <keith@tungstengraphics.com> + * \author Gareth Hughes <gareth@valinux.com> */ #include "drmP.h" #include "drm.h" +#include "drm_sarea.h" #include "mga_drm.h" #include "mga_drv.h" @@ -148,7 +151,7 @@ void mga_do_dma_flush( drm_mga_private_t *dev_priv ) DRM_DEBUG( " space = 0x%06x\n", primary->space ); mga_flush_write_combine(); - MGA_WRITE( MGA_PRIMEND, tail | MGA_PAGPXFER ); + MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access); DRM_DEBUG( "done.\n" ); } @@ -190,7 +193,7 @@ void mga_do_dma_wrap_start( drm_mga_private_t *dev_priv ) DRM_DEBUG( " space = 0x%06x\n", primary->space ); mga_flush_write_combine(); - MGA_WRITE( MGA_PRIMEND, tail | MGA_PAGPXFER ); + MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access); set_bit( 0, &primary->wrapped ); DRM_DEBUG( "done.\n" ); @@ -396,23 +399,383 @@ int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf ) * DMA initialization, cleanup */ + +int mga_driver_preinit(drm_device_t *dev, unsigned long flags) +{ + drm_mga_private_t * dev_priv; + + dev_priv = drm_alloc(sizeof(drm_mga_private_t), DRM_MEM_DRIVER); + if (!dev_priv) + return DRM_ERR(ENOMEM); + + dev->dev_private = (void *)dev_priv; + memset(dev_priv, 0, sizeof(drm_mga_private_t)); + + dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT; + dev_priv->chipset = flags; + + return 0; +} + +/** + * Bootstrap the driver for AGP DMA. + * + * \todo + * Investigate whether there is any benifit to storing the WARP microcode in + * AGP memory. If not, the microcode may as well always be put in PCI + * memory. + * + * \todo + * This routine needs to set dma_bs->agp_mode to the mode actually configured + * in the hardware. Looking just at the Linux AGP driver code, I don't see + * an easy way to determine this. + * + * \sa mga_do_dma_bootstrap, mga_do_pci_dma_bootstrap + */ +static int mga_do_agp_dma_bootstrap(drm_device_t * dev, + drm_mga_dma_bootstrap_t * dma_bs) +{ + drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private; + const unsigned int warp_size = mga_warp_microcode_size(dev_priv); + int err; + unsigned offset; + const unsigned secondary_size = dma_bs->secondary_bin_count + * dma_bs->secondary_bin_size; + const unsigned agp_size = (dma_bs->agp_size << 20); + drm_buf_desc_t req; + drm_agp_mode_t mode; + drm_agp_info_t info; + + + /* Acquire AGP. */ + err = drm_agp_acquire(dev); + if (err) { + DRM_ERROR("Unable to acquire AGP\n"); + return err; + } + + err = drm_agp_info(dev, &info); + if (err) { + DRM_ERROR("Unable to get AGP info\n"); + return err; + } + + mode.mode = (info.mode & ~0x07) | dma_bs->agp_mode; + err = drm_agp_enable(dev, mode); + if (err) { + DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode); + return err; + } + + + /* In addition to the usual AGP mode configuration, the G200 AGP cards + * need to have the AGP mode "manually" set. + */ + + if (dev_priv->chipset == MGA_CARD_TYPE_G200) { + if (mode.mode & 0x02) { + MGA_WRITE(MGA_AGP_PLL, MGA_AGP2XPLL_ENABLE); + } + else { + MGA_WRITE(MGA_AGP_PLL, MGA_AGP2XPLL_DISABLE); + } + } + + + /* Allocate and bind AGP memory. */ + dev_priv->agp_pages = agp_size / PAGE_SIZE; + dev_priv->agp_mem = drm_alloc_agp( dev, dev_priv->agp_pages, 0 ); + if (dev_priv->agp_mem == NULL) { + dev_priv->agp_pages = 0; + DRM_ERROR("Unable to allocate %uMB AGP memory\n", + dma_bs->agp_size); + return DRM_ERR(ENOMEM); + } + + err = drm_bind_agp( dev_priv->agp_mem, 0 ); + if (err) { + DRM_ERROR("Unable to bind AGP memory\n"); + return err; + } + + offset = 0; + err = drm_addmap( dev, offset, warp_size, + _DRM_AGP, _DRM_READ_ONLY, & dev_priv->warp ); + if (err) { + DRM_ERROR("Unable to map WARP microcode\n"); + return err; + } + + offset += warp_size; + err = drm_addmap( dev, offset, dma_bs->primary_size, + _DRM_AGP, _DRM_READ_ONLY, & dev_priv->primary ); + if (err) { + DRM_ERROR("Unable to map primary DMA region\n"); + return err; + } + + offset += dma_bs->primary_size; + err = drm_addmap( dev, offset, secondary_size, + _DRM_AGP, 0, & dev->agp_buffer_map ); + if (err) { + DRM_ERROR("Unable to map secondary DMA region\n"); + return err; + } + + (void) memset( &req, 0, sizeof(req) ); + req.count = dma_bs->secondary_bin_count; + req.size = dma_bs->secondary_bin_size; + req.flags = _DRM_AGP_BUFFER; + req.agp_start = offset; + + err = drm_addbufs_agp( dev, & req ); + if (err) { + DRM_ERROR("Unable to add secondary DMA buffers\n"); + return err; + } + + offset += secondary_size; + err = drm_addmap( dev, offset, agp_size - offset, + _DRM_AGP, 0, & dev_priv->agp_textures ); + if (err) { + DRM_ERROR("Unable to map AGP texture region\n"); + return err; + } + + drm_core_ioremap(dev_priv->warp, dev); + drm_core_ioremap(dev_priv->primary, dev); + drm_core_ioremap(dev->agp_buffer_map, dev); + + if (!dev_priv->warp->handle || + !dev_priv->primary->handle || !dev->agp_buffer_map->handle) { + DRM_ERROR("failed to ioremap agp regions! (%p, %p, %p)\n", + dev_priv->warp->handle, dev_priv->primary->handle, + dev->agp_buffer_map->handle); + return DRM_ERR(ENOMEM); + } + + dev_priv->dma_access = MGA_PAGPXFER; + dev_priv->wagp_enable = MGA_WAGP_ENABLE; + + DRM_INFO("Initialized card for AGP DMA.\n"); + return 0; +} + +/** + * Bootstrap the driver for PCI DMA. + * + * \todo + * The algorithm for decreasing the size of the primary DMA buffer could be + * better. The size should be rounded up to the nearest page size, then + * decrease the request size by a single page each pass through the loop. + * + * \todo + * Determine whether the maximum address passed to drm_pci_alloc is correct. + * The same goes for drm_addbufs_pci. + * + * \sa mga_do_dma_bootstrap, mga_do_agp_dma_bootstrap + */ +static int mga_do_pci_dma_bootstrap(drm_device_t * dev, + drm_mga_dma_bootstrap_t * dma_bs) +{ + drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private; + const unsigned int warp_size = mga_warp_microcode_size(dev_priv); + unsigned int primary_size; + unsigned int bin_count; + int err; + drm_buf_desc_t req; + + + if (dev->dma == NULL) { + DRM_ERROR("dev->dma is NULL\n"); + return DRM_ERR(EFAULT); + } + + /* The proper alignment is 0x100 for this mapping */ + err = drm_addmap(dev, 0, warp_size, _DRM_CONSISTENT, + _DRM_READ_ONLY, &dev_priv->warp); + if (err != 0) { + DRM_ERROR("Unable to create mapping for WARP microcode\n"); + return err; + } + + /* Other than the bottom two bits being used to encode other + * information, there don't appear to be any restrictions on the + * alignment of the primary or secondary DMA buffers. + */ + + for ( primary_size = dma_bs->primary_size + ; primary_size != 0 + ; primary_size >>= 1 ) { + /* The proper alignment for this mapping is 0x04 */ + err = drm_addmap(dev, 0, primary_size, _DRM_CONSISTENT, + _DRM_READ_ONLY, &dev_priv->primary); + if (!err) + break; + } + + if (err != 0) { + DRM_ERROR("Unable to allocate primary DMA region\n"); + return DRM_ERR(ENOMEM); + } + + if (dev_priv->primary->size != dma_bs->primary_size) { + DRM_INFO("Primary DMA buffer size reduced from %u to %u.\n", + dma_bs->primary_size, + (unsigned) dev_priv->primary->size); + dma_bs->primary_size = dev_priv->primary->size; + } + + for ( bin_count = dma_bs->secondary_bin_count + ; bin_count > 0 + ; bin_count-- ) { + (void) memset( &req, 0, sizeof(req) ); + req.count = bin_count; + req.size = dma_bs->secondary_bin_size; + + err = drm_addbufs_pci( dev, & req ); + if (!err) { + break; + } + } + + if (bin_count == 0) { + DRM_ERROR("Unable to add secondary DMA buffers\n"); + return err; + } + + if (bin_count != dma_bs->secondary_bin_count) { + DRM_INFO("Secondary PCI DMA buffer bin count reduced from %u " + "to %u.\n", dma_bs->secondary_bin_count, bin_count); + + dma_bs->secondary_bin_count = bin_count; + } + + dev_priv->dma_access = 0; + dev_priv->wagp_enable = 0; + + dma_bs->agp_mode = 0; + + DRM_INFO("Initialized card for PCI DMA.\n"); + return 0; +} + + +static int mga_do_dma_bootstrap(drm_device_t * dev, + drm_mga_dma_bootstrap_t * dma_bs) +{ + const int is_agp = (dma_bs->agp_mode != 0) && drm_device_is_agp(dev); + int err; + drm_mga_private_t * const dev_priv = + (drm_mga_private_t *) dev->dev_private; + + + dev_priv->used_new_dma_init = 1; + + /* The first steps are the same for both PCI and AGP based DMA. Map + * the cards MMIO registers and map a status page. + */ + err = drm_addmap( dev, dev_priv->mmio_base, dev_priv->mmio_size, + _DRM_REGISTERS, _DRM_READ_ONLY, & dev_priv->mmio ); + if (err) { + DRM_ERROR("Unable to map MMIO region\n"); + return err; + } + + + err = drm_addmap( dev, 0, SAREA_MAX, _DRM_SHM, + _DRM_READ_ONLY | _DRM_LOCKED | _DRM_KERNEL, + & dev_priv->status ); + if (err) { + DRM_ERROR("Unable to map status region\n"); + return err; + } + + + /* The DMA initialization procedure is slightly different for PCI and + * AGP cards. AGP cards just allocate a large block of AGP memory and + * carve off portions of it for internal uses. The remaining memory + * is returned to user-mode to be used for AGP textures. + */ + + if (is_agp) { + err = mga_do_agp_dma_bootstrap(dev, dma_bs); + } + + /* If we attempted to initialize the card for AGP DMA but failed, + * clean-up any mess that may have been created. + */ + + if (err) { + mga_do_cleanup_dma(dev); + } + + + /* Not only do we want to try and initialized PCI cards for PCI DMA, + * but we also try to initialized AGP cards that could not be + * initialized for AGP DMA. This covers the case where we have an AGP + * card in a system with an unsupported AGP chipset. In that case the + * card will be detected as AGP, but we won't be able to allocate any + * AGP memory, etc. + */ + + if (!is_agp || err) { + err = mga_do_pci_dma_bootstrap(dev, dma_bs); + } + + + return err; +} + +int mga_dma_bootstrap(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_mga_dma_bootstrap_t bootstrap; + int err; + + + DRM_COPY_FROM_USER_IOCTL(bootstrap, + (drm_mga_dma_bootstrap_t __user *) data, + sizeof(bootstrap)); + + err = mga_do_dma_bootstrap(dev, & bootstrap); + if (! err) { + static const int modes[] = { 0, 1, 2, 2, 4, 4, 4, 4 }; + const drm_mga_private_t * const dev_priv = + (drm_mga_private_t *) dev->dev_private; + + if (dev_priv->agp_textures != NULL) { + bootstrap.texture_handle = dev_priv->agp_textures->offset; + bootstrap.texture_size = dev_priv->agp_textures->size; + } + else { + bootstrap.texture_handle = 0; + bootstrap.texture_size = 0; + } + + bootstrap.agp_mode = modes[ bootstrap.agp_mode & 0x07 ]; + if (DRM_COPY_TO_USER( (void __user *) data, & bootstrap, + sizeof(bootstrap))) { + err = DRM_ERR(EFAULT); + } + } + else { + mga_do_cleanup_dma(dev); + } + + return err; +} + static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init ) { drm_mga_private_t *dev_priv; int ret; DRM_DEBUG( "\n" ); - dev_priv = drm_alloc( sizeof(drm_mga_private_t), DRM_MEM_DRIVER ); - if ( !dev_priv ) - return DRM_ERR(ENOMEM); - - memset( dev_priv, 0, sizeof(drm_mga_private_t) ); - dev_priv->chipset = init->chipset; + dev_priv = dev->dev_private; - dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT; - - if ( init->sgram ) { + if (init->sgram) { dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_BLK; } else { dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR; @@ -436,88 +799,65 @@ static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init ) DRM_GETSAREA(); - if(!dev_priv->sarea) { - DRM_ERROR( "failed to find sarea!\n" ); - /* Assign dev_private so we can do cleanup. */ - dev->dev_private = (void *)dev_priv; - mga_do_cleanup_dma( dev ); + if (!dev_priv->sarea) { + DRM_ERROR("failed to find sarea!\n"); return DRM_ERR(EINVAL); } - dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset); - if(!dev_priv->mmio) { - DRM_ERROR( "failed to find mmio region!\n" ); - /* Assign dev_private so we can do cleanup. */ - dev->dev_private = (void *)dev_priv; - mga_do_cleanup_dma( dev ); - return DRM_ERR(EINVAL); - } - dev_priv->status = drm_core_findmap(dev, init->status_offset); - if(!dev_priv->status) { - DRM_ERROR( "failed to find status page!\n" ); - /* Assign dev_private so we can do cleanup. */ - dev->dev_private = (void *)dev_priv; - mga_do_cleanup_dma( dev ); - return DRM_ERR(EINVAL); - } - dev_priv->warp = drm_core_findmap(dev, init->warp_offset); - if(!dev_priv->warp) { - DRM_ERROR( "failed to find warp microcode region!\n" ); - /* Assign dev_private so we can do cleanup. */ - dev->dev_private = (void *)dev_priv; - mga_do_cleanup_dma( dev ); - return DRM_ERR(EINVAL); - } - dev_priv->primary = drm_core_findmap(dev, init->primary_offset); - if(!dev_priv->primary) { - DRM_ERROR( "failed to find primary dma region!\n" ); - /* Assign dev_private so we can do cleanup. */ - dev->dev_private = (void *)dev_priv; - mga_do_cleanup_dma( dev ); - return DRM_ERR(EINVAL); - } - dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset); - if(!dev->agp_buffer_map) { - DRM_ERROR( "failed to find dma buffer region!\n" ); - /* Assign dev_private so we can do cleanup. */ - dev->dev_private = (void *)dev_priv; - mga_do_cleanup_dma( dev ); - return DRM_ERR(EINVAL); + if (! dev_priv->used_new_dma_init) { + dev_priv->status = drm_core_findmap(dev, init->status_offset); + if (!dev_priv->status) { + DRM_ERROR("failed to find status page!\n"); + return DRM_ERR(EINVAL); + } + dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset); + if (!dev_priv->mmio) { + DRM_ERROR("failed to find mmio region!\n"); + return DRM_ERR(EINVAL); + } + dev_priv->warp = drm_core_findmap(dev, init->warp_offset); + if (!dev_priv->warp) { + DRM_ERROR("failed to find warp microcode region!\n"); + return DRM_ERR(EINVAL); + } + dev_priv->primary = drm_core_findmap(dev, init->primary_offset); + if (!dev_priv->primary) { + DRM_ERROR("failed to find primary dma region!\n"); + return DRM_ERR(EINVAL); + } + dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset); + if (!dev->agp_buffer_map) { + DRM_ERROR("failed to find dma buffer region!\n"); + return DRM_ERR(EINVAL); + } + + drm_core_ioremap(dev_priv->warp, dev); + drm_core_ioremap(dev_priv->primary, dev); + drm_core_ioremap(dev->agp_buffer_map, dev); } dev_priv->sarea_priv = (drm_mga_sarea_t *)((u8 *)dev_priv->sarea->handle + init->sarea_priv_offset); - drm_core_ioremap( dev_priv->warp, dev ); - drm_core_ioremap( dev_priv->primary, dev ); - drm_core_ioremap( dev->agp_buffer_map, dev ); - - if(!dev_priv->warp->handle || - !dev_priv->primary->handle || - !dev->agp_buffer_map->handle ) { - DRM_ERROR( "failed to ioremap agp regions!\n" ); - /* Assign dev_private so we can do cleanup. */ - dev->dev_private = (void *)dev_priv; - mga_do_cleanup_dma( dev ); + if (!dev_priv->warp->handle || + !dev_priv->primary->handle || + ((dev_priv->dma_access != 0) && + ((dev->agp_buffer_map == NULL) || + (dev->agp_buffer_map->handle == NULL)))) { + DRM_ERROR("failed to ioremap agp regions!\n"); return DRM_ERR(ENOMEM); } - ret = mga_warp_install_microcode( dev_priv ); - if ( ret < 0 ) { - DRM_ERROR( "failed to install WARP ucode!\n" ); - /* Assign dev_private so we can do cleanup. */ - dev->dev_private = (void *)dev_priv; - mga_do_cleanup_dma( dev ); + ret = mga_warp_install_microcode(dev_priv); + if (ret < 0) { + DRM_ERROR("failed to install WARP ucode!\n"); return ret; } - ret = mga_warp_init( dev_priv ); - if ( ret < 0 ) { - DRM_ERROR( "failed to init WARP engine!\n" ); - /* Assign dev_private so we can do cleanup. */ - dev->dev_private = (void *)dev_priv; - mga_do_cleanup_dma( dev ); + ret = mga_warp_init(dev_priv); + if (ret < 0) { + DRM_ERROR("failed to init WARP engine!\n"); return ret; } @@ -557,22 +897,18 @@ static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init ) dev_priv->sarea_priv->last_frame.head = 0; dev_priv->sarea_priv->last_frame.wrap = 0; - if ( mga_freelist_init( dev, dev_priv ) < 0 ) { - DRM_ERROR( "could not initialize freelist\n" ); - /* Assign dev_private so we can do cleanup. */ - dev->dev_private = (void *)dev_priv; - mga_do_cleanup_dma( dev ); + if (mga_freelist_init(dev, dev_priv) < 0) { + DRM_ERROR("could not initialize freelist\n"); return DRM_ERR(ENOMEM); } - /* Make dev_private visable to others. */ - dev->dev_private = (void *)dev_priv; return 0; } static int mga_do_cleanup_dma( drm_device_t *dev ) { - DRM_DEBUG( "\n" ); + int err = 0; + DRM_DEBUG("\n"); /* Make sure interrupts are disabled here because the uninstall ioctl * may not have been called from userspace and after dev_private @@ -583,20 +919,49 @@ static int mga_do_cleanup_dma( drm_device_t *dev ) if ( dev->dev_private ) { drm_mga_private_t *dev_priv = dev->dev_private; - if ( dev_priv->warp != NULL ) - drm_core_ioremapfree( dev_priv->warp, dev ); - if ( dev_priv->primary != NULL ) - drm_core_ioremapfree( dev_priv->primary, dev ); - if ( dev->agp_buffer_map != NULL ) - drm_core_ioremapfree( dev->agp_buffer_map, dev ); + if ((dev_priv->warp != NULL) + && (dev_priv->mmio->type != _DRM_CONSISTENT)) + drm_core_ioremapfree(dev_priv->warp, dev); + + if ((dev_priv->primary != NULL) + && (dev_priv->primary->type != _DRM_CONSISTENT)) + drm_core_ioremapfree(dev_priv->primary, dev); - if ( dev_priv->head != NULL ) { - mga_freelist_cleanup( dev ); + if (dev->agp_buffer_map != NULL) + drm_core_ioremapfree(dev->agp_buffer_map, dev); + + if (dev_priv->used_new_dma_init) { + if (dev_priv->agp_mem != NULL) { + dev_priv->agp_textures = NULL; + drm_unbind_agp(dev_priv->agp_mem); + + drm_free_agp(dev_priv->agp_mem, dev_priv->agp_pages); + dev_priv->agp_pages = 0; + dev_priv->agp_mem = NULL; + } + + if ((dev->agp != NULL) && dev->agp->acquired) { + err = drm_agp_release(dev); + } + + dev_priv->used_new_dma_init = 0; } - drm_free( dev->dev_private, sizeof(drm_mga_private_t), - DRM_MEM_DRIVER ); - dev->dev_private = NULL; + dev_priv->warp = NULL; + dev_priv->primary = NULL; + dev_priv->mmio = NULL; + dev_priv->status = NULL; + dev_priv->sarea = NULL; + dev_priv->sarea_priv = NULL; + dev->agp_buffer_map = NULL; + + memset(&dev_priv->prim, 0, sizeof(dev_priv->prim)); + dev_priv->warp_pipe = 0; + memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys)); + + if (dev_priv->head != NULL) { + mga_freelist_cleanup(dev); + } } return 0; @@ -606,14 +971,20 @@ int mga_dma_init( DRM_IOCTL_ARGS ) { DRM_DEVICE; drm_mga_init_t init; + int err; LOCK_TEST_WITH_RETURN( dev, filp ); - DRM_COPY_FROM_USER_IOCTL( init, (drm_mga_init_t __user *)data, sizeof(init) ); + DRM_COPY_FROM_USER_IOCTL(init, (drm_mga_init_t __user *) data, + sizeof(init)); switch ( init.func ) { case MGA_INIT_DMA: - return mga_do_init_dma( dev, &init ); + err = mga_do_init_dma(dev, &init); + if (err) { + (void) mga_do_cleanup_dma(dev); + } + return err; case MGA_CLEANUP_DMA: return mga_do_cleanup_dma( dev ); } @@ -742,7 +1113,21 @@ int mga_dma_buffers( DRM_IOCTL_ARGS ) return ret; } -void mga_driver_pretakedown(drm_device_t *dev) +/** + * Called just before the module is unloaded. + */ +int mga_driver_postcleanup(drm_device_t * dev) +{ + drm_free(dev->dev_private, sizeof(drm_mga_private_t), DRM_MEM_DRIVER); + dev->dev_private = NULL; + + return 0; +} + +/** + * Called when the last opener of the device is closed. + */ +void mga_driver_pretakedown(drm_device_t * dev) { mga_do_cleanup_dma( dev ); } diff --git a/drivers/char/drm/mga_drm.h b/drivers/char/drm/mga_drm.h index 4500e6e4920..2d8aa790379 100644 --- a/drivers/char/drm/mga_drm.h +++ b/drivers/char/drm/mga_drm.h @@ -226,10 +226,6 @@ typedef struct _drm_mga_sarea { } drm_mga_sarea_t; -/* WARNING: If you change any of these defines, make sure to change the - * defines in the Xserver file (xf86drmMga.h) - */ - /* MGA specific ioctls * The device specific ioctl range is 0x40 to 0x79. */ @@ -244,6 +240,14 @@ typedef struct _drm_mga_sarea { #define DRM_MGA_BLIT 0x08 #define DRM_MGA_GETPARAM 0x09 +/* 3.2: + * ioctls for operating on fences. + */ +#define DRM_MGA_SET_FENCE 0x0a +#define DRM_MGA_WAIT_FENCE 0x0b +#define DRM_MGA_DMA_BOOTSTRAP 0x0c + + #define DRM_IOCTL_MGA_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INIT, drm_mga_init_t) #define DRM_IOCTL_MGA_FLUSH DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_FLUSH, drm_lock_t) #define DRM_IOCTL_MGA_RESET DRM_IO( DRM_COMMAND_BASE + DRM_MGA_RESET) @@ -254,6 +258,9 @@ typedef struct _drm_mga_sarea { #define DRM_IOCTL_MGA_ILOAD DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_ILOAD, drm_mga_iload_t) #define DRM_IOCTL_MGA_BLIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_BLIT, drm_mga_blit_t) #define DRM_IOCTL_MGA_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_GETPARAM, drm_mga_getparam_t) +#define DRM_IOCTL_MGA_SET_FENCE DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_SET_FENCE, uint32_t) +#define DRM_IOCTL_MGA_WAIT_FENCE DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_WAIT_FENCE, uint32_t) +#define DRM_IOCTL_MGA_DMA_BOOTSTRAP DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_DMA_BOOTSTRAP, drm_mga_dma_bootstrap_t) typedef struct _drm_mga_warp_index { int installed; @@ -292,12 +299,72 @@ typedef struct drm_mga_init { unsigned long buffers_offset; } drm_mga_init_t; -typedef struct drm_mga_fullscreen { - enum { - MGA_INIT_FULLSCREEN = 0x01, - MGA_CLEANUP_FULLSCREEN = 0x02 - } func; -} drm_mga_fullscreen_t; +typedef struct drm_mga_dma_bootstrap { + /** + * \name AGP texture region + * + * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, these fields will + * be filled in with the actual AGP texture settings. + * + * \warning + * If these fields are non-zero, but dma_mga_dma_bootstrap::agp_mode + * is zero, it means that PCI memory (most likely through the use of + * an IOMMU) is being used for "AGP" textures. + */ + /*@{*/ + drm_handle_t texture_handle; /**< Handle used to map AGP textures. */ + uint32_t texture_size; /**< Size of the AGP texture region. */ + /*@}*/ + + + /** + * Requested size of the primary DMA region. + * + * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be + * filled in with the actual AGP mode. If AGP was not available + */ + uint32_t primary_size; + + + /** + * Requested number of secondary DMA buffers. + * + * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be + * filled in with the actual number of secondary DMA buffers + * allocated. Particularly when PCI DMA is used, this may be + * (subtantially) less than the number requested. + */ + uint32_t secondary_bin_count; + + + /** + * Requested size of each secondary DMA buffer. + * + * While the kernel \b is free to reduce + * dma_mga_dma_bootstrap::secondary_bin_count, it is \b not allowed + * to reduce dma_mga_dma_bootstrap::secondary_bin_size. + */ + uint32_t secondary_bin_size; + + + /** + * Bit-wise mask of AGPSTAT2_* values. Currently only \c AGPSTAT2_1X, + * \c AGPSTAT2_2X, and \c AGPSTAT2_4X are supported. If this value is + * zero, it means that PCI DMA should be used, even if AGP is + * possible. + * + * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be + * filled in with the actual AGP mode. If AGP was not available + * (i.e., PCI DMA was used), this value will be zero. + */ + uint32_t agp_mode; + + + /** + * Desired AGP GART size, measured in megabytes. + */ + uint8_t agp_size; +} drm_mga_dma_bootstrap_t; typedef struct drm_mga_clear { unsigned int flags; @@ -342,6 +409,14 @@ typedef struct _drm_mga_blit { */ #define MGA_PARAM_IRQ_NR 1 +/* 3.2: Query the actual card type. The DDX only distinguishes between + * G200 chips and non-G200 chips, which it calls G400. It turns out that + * there are some very sublte differences between the G4x0 chips and the G550 + * chips. Using this parameter query, a client-side driver can detect the + * difference between a G4x0 and a G550. + */ +#define MGA_PARAM_CARD_TYPE 2 + typedef struct drm_mga_getparam { int param; void __user *value; diff --git a/drivers/char/drm/mga_drv.h b/drivers/char/drm/mga_drv.h index 38f913905e0..b22fdbd4f83 100644 --- a/drivers/char/drm/mga_drv.h +++ b/drivers/char/drm/mga_drv.h @@ -38,11 +38,11 @@ #define DRIVER_NAME "mga" #define DRIVER_DESC "Matrox G200/G400" -#define DRIVER_DATE "20051013" +#define DRIVER_DATE "20050607" #define DRIVER_MAJOR 3 -#define DRIVER_MINOR 1 -#define DRIVER_PATCHLEVEL 1 +#define DRIVER_MINOR 2 +#define DRIVER_PATCHLEVEL 0 typedef struct drm_mga_primary_buffer { u8 *start; @@ -87,9 +87,43 @@ typedef struct drm_mga_private { int chipset; int usec_timeout; + /** + * If set, the new DMA initialization sequence was used. This is + * primarilly used to select how the driver should uninitialized its + * internal DMA structures. + */ + int used_new_dma_init; + + /** + * If AGP memory is used for DMA buffers, this will be the value + * \c MGA_PAGPXFER. Otherwise, it will be zero (for a PCI transfer). + */ + u32 dma_access; + + /** + * If AGP memory is used for DMA buffers, this will be the value + * \c MGA_WAGP_ENABLE. Otherwise, it will be zero (for a PCI + * transfer). + */ + u32 wagp_enable; + + /** + * \name MMIO region parameters. + * + * \sa drm_mga_private_t::mmio + */ + /*@{*/ + u32 mmio_base; /**< Bus address of base of MMIO. */ + u32 mmio_size; /**< Size of the MMIO region. */ + /*@}*/ + u32 clear_cmd; u32 maccess; + wait_queue_head_t fence_queue; + atomic_t last_fence_retired; + u32 next_fence_to_post; + unsigned int fb_cpp; unsigned int front_offset; unsigned int front_pitch; @@ -108,35 +142,43 @@ typedef struct drm_mga_private { drm_local_map_t *status; drm_local_map_t *warp; drm_local_map_t *primary; - drm_local_map_t *buffers; drm_local_map_t *agp_textures; + + DRM_AGP_MEM *agp_mem; + unsigned int agp_pages; } drm_mga_private_t; /* mga_dma.c */ -extern int mga_dma_init( DRM_IOCTL_ARGS ); -extern int mga_dma_flush( DRM_IOCTL_ARGS ); -extern int mga_dma_reset( DRM_IOCTL_ARGS ); -extern int mga_dma_buffers( DRM_IOCTL_ARGS ); -extern void mga_driver_pretakedown(drm_device_t *dev); -extern int mga_driver_dma_quiescent(drm_device_t *dev); - -extern int mga_do_wait_for_idle( drm_mga_private_t *dev_priv ); - -extern void mga_do_dma_flush( drm_mga_private_t *dev_priv ); -extern void mga_do_dma_wrap_start( drm_mga_private_t *dev_priv ); -extern void mga_do_dma_wrap_end( drm_mga_private_t *dev_priv ); +extern int mga_driver_preinit(drm_device_t * dev, unsigned long flags); +extern int mga_dma_bootstrap(DRM_IOCTL_ARGS); +extern int mga_dma_init(DRM_IOCTL_ARGS); +extern int mga_dma_flush(DRM_IOCTL_ARGS); +extern int mga_dma_reset(DRM_IOCTL_ARGS); +extern int mga_dma_buffers(DRM_IOCTL_ARGS); +extern int mga_driver_postcleanup(drm_device_t * dev); +extern void mga_driver_pretakedown(drm_device_t * dev); +extern int mga_driver_dma_quiescent(drm_device_t * dev); + +extern int mga_do_wait_for_idle(drm_mga_private_t * dev_priv); + +extern void mga_do_dma_flush(drm_mga_private_t * dev_priv); +extern void mga_do_dma_wrap_start(drm_mga_private_t * dev_priv); +extern void mga_do_dma_wrap_end(drm_mga_private_t * dev_priv); extern int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf ); /* mga_warp.c */ -extern int mga_warp_install_microcode( drm_mga_private_t *dev_priv ); -extern int mga_warp_init( drm_mga_private_t *dev_priv ); - -extern int mga_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence); -extern irqreturn_t mga_driver_irq_handler( DRM_IRQ_ARGS ); -extern void mga_driver_irq_preinstall( drm_device_t *dev ); -extern void mga_driver_irq_postinstall( drm_device_t *dev ); -extern void mga_driver_irq_uninstall( drm_device_t *dev ); +extern unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv); +extern int mga_warp_install_microcode(drm_mga_private_t * dev_priv); +extern int mga_warp_init(drm_mga_private_t * dev_priv); + + /* mga_irq.c */ +extern int mga_driver_fence_wait(drm_device_t * dev, unsigned int *sequence); +extern int mga_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence); +extern irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS); +extern void mga_driver_irq_preinstall(drm_device_t * dev); +extern void mga_driver_irq_postinstall(drm_device_t * dev); +extern void mga_driver_irq_uninstall(drm_device_t * dev); extern long mga_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); @@ -527,6 +569,12 @@ do { \ */ #define MGA_EXEC 0x0100 +/* AGP PLL encoding (for G200 only). + */ +#define MGA_AGP_PLL 0x1e4c +# define MGA_AGP2XPLL_DISABLE (0 << 0) +# define MGA_AGP2XPLL_ENABLE (1 << 0) + /* Warp registers */ #define MGA_WR0 0x2d00 diff --git a/drivers/char/drm/mga_irq.c b/drivers/char/drm/mga_irq.c index bc0b6b5d43a..52eaa4e788f 100644 --- a/drivers/char/drm/mga_irq.c +++ b/drivers/char/drm/mga_irq.c @@ -41,15 +41,40 @@ irqreturn_t mga_driver_irq_handler( DRM_IRQ_ARGS ) drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; int status; + int handled = 0; + + status = MGA_READ(MGA_STATUS); - status = MGA_READ( MGA_STATUS ); - /* VBLANK interrupt */ if ( status & MGA_VLINEPEN ) { MGA_WRITE( MGA_ICLEAR, MGA_VLINEICLR ); atomic_inc(&dev->vbl_received); DRM_WAKEUP(&dev->vbl_queue); - drm_vbl_send_signals( dev ); + drm_vbl_send_signals(dev); + handled = 1; + } + + /* SOFTRAP interrupt */ + if (status & MGA_SOFTRAPEN) { + const u32 prim_start = MGA_READ(MGA_PRIMADDRESS); + const u32 prim_end = MGA_READ(MGA_PRIMEND); + + + MGA_WRITE(MGA_ICLEAR, MGA_SOFTRAPICLR); + + /* In addition to clearing the interrupt-pending bit, we + * have to write to MGA_PRIMEND to re-start the DMA operation. + */ + if ( (prim_start & ~0x03) != (prim_end & ~0x03) ) { + MGA_WRITE(MGA_PRIMEND, prim_end); + } + + atomic_inc(&dev_priv->last_fence_retired); + DRM_WAKEUP(&dev_priv->fence_queue); + handled = 1; + } + + if ( handled ) { return IRQ_HANDLED; } return IRQ_NONE; @@ -73,9 +98,28 @@ int mga_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) return ret; } -void mga_driver_irq_preinstall( drm_device_t *dev ) { - drm_mga_private_t *dev_priv = - (drm_mga_private_t *)dev->dev_private; +int mga_driver_fence_wait(drm_device_t * dev, unsigned int *sequence) +{ + drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; + unsigned int cur_fence; + int ret = 0; + + /* Assume that the user has missed the current sequence number + * by about a day rather than she wants to wait for years + * using fences. + */ + DRM_WAIT_ON(ret, dev_priv->fence_queue, 3 * DRM_HZ, + (((cur_fence = atomic_read(&dev_priv->last_fence_retired)) + - *sequence) <= (1 << 23))); + + *sequence = cur_fence; + + return ret; +} + +void mga_driver_irq_preinstall(drm_device_t * dev) +{ + drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; /* Disable *all* interrupts */ MGA_WRITE( MGA_IEN, 0 ); @@ -83,12 +127,14 @@ void mga_driver_irq_preinstall( drm_device_t *dev ) { MGA_WRITE( MGA_ICLEAR, ~0 ); } -void mga_driver_irq_postinstall( drm_device_t *dev ) { - drm_mga_private_t *dev_priv = - (drm_mga_private_t *)dev->dev_private; +void mga_driver_irq_postinstall(drm_device_t * dev) +{ + drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; + + DRM_INIT_WAITQUEUE( &dev_priv->fence_queue ); - /* Turn on VBL interrupt */ - MGA_WRITE( MGA_IEN, MGA_VLINEIEN ); + /* Turn on vertical blank interrupt and soft trap interrupt. */ + MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN); } void mga_driver_irq_uninstall( drm_device_t *dev ) { @@ -98,5 +144,7 @@ void mga_driver_irq_uninstall( drm_device_t *dev ) { return; /* Disable *all* interrupts */ - MGA_WRITE( MGA_IEN, 0 ); + MGA_WRITE(MGA_IEN, 0); + + dev->irq_enabled = 0; } diff --git a/drivers/char/drm/mga_state.c b/drivers/char/drm/mga_state.c index 3c7a8f5ba50..05bbb471937 100644 --- a/drivers/char/drm/mga_state.c +++ b/drivers/char/drm/mga_state.c @@ -53,16 +53,16 @@ static void mga_emit_clip_rect( drm_mga_private_t *dev_priv, /* Force reset of DWGCTL on G400 (eliminates clip disable bit). */ - if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { - DMA_BLOCK( MGA_DWGCTL, ctx->dwgctl, - MGA_LEN + MGA_EXEC, 0x80000000, - MGA_DWGCTL, ctx->dwgctl, - MGA_LEN + MGA_EXEC, 0x80000000 ); + if (dev_priv->chipset == MGA_CARD_TYPE_G400) { + DMA_BLOCK(MGA_DWGCTL, ctx->dwgctl, + MGA_LEN + MGA_EXEC, 0x80000000, + MGA_DWGCTL, ctx->dwgctl, + MGA_LEN + MGA_EXEC, 0x80000000); } - DMA_BLOCK( MGA_DMAPAD, 0x00000000, - MGA_CXBNDRY, (box->x2 << 16) | box->x1, - MGA_YTOP, box->y1 * pitch, - MGA_YBOT, box->y2 * pitch ); + DMA_BLOCK(MGA_DMAPAD, 0x00000000, + MGA_CXBNDRY, ((box->x2 - 1) << 16) | box->x1, + MGA_YTOP, box->y1 * pitch, + MGA_YBOT, (box->y2 - 1) * pitch); ADVANCE_DMA(); } @@ -260,12 +260,11 @@ static __inline__ void mga_g200_emit_pipe( drm_mga_private_t *dev_priv ) /* Padding required to to hardware bug. */ - DMA_BLOCK( MGA_DMAPAD, 0xffffffff, - MGA_DMAPAD, 0xffffffff, - MGA_DMAPAD, 0xffffffff, - MGA_WIADDR, (dev_priv->warp_pipe_phys[pipe] | - MGA_WMODE_START | - MGA_WAGP_ENABLE) ); + DMA_BLOCK(MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_WIADDR, (dev_priv->warp_pipe_phys[pipe] | + MGA_WMODE_START | dev_priv->wagp_enable)); ADVANCE_DMA(); } @@ -342,12 +341,11 @@ static __inline__ void mga_g400_emit_pipe( drm_mga_private_t *dev_priv ) MGA_WR60, MGA_G400_WR_MAGIC ); /* tex1 height */ /* Padding required to to hardware bug */ - DMA_BLOCK( MGA_DMAPAD, 0xffffffff, - MGA_DMAPAD, 0xffffffff, - MGA_DMAPAD, 0xffffffff, - MGA_WIADDR2, (dev_priv->warp_pipe_phys[pipe] | - MGA_WMODE_START | - MGA_WAGP_ENABLE) ); + DMA_BLOCK(MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_WIADDR2, (dev_priv->warp_pipe_phys[pipe] | + MGA_WMODE_START | dev_priv->wagp_enable)); ADVANCE_DMA(); } @@ -459,9 +457,9 @@ static int mga_verify_state( drm_mga_private_t *dev_priv ) if ( dirty & MGA_UPLOAD_TEX0 ) ret |= mga_verify_tex( dev_priv, 0 ); - if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { - if ( dirty & MGA_UPLOAD_TEX1 ) - ret |= mga_verify_tex( dev_priv, 1 ); + if (dev_priv->chipset >= MGA_CARD_TYPE_G400) { + if (dirty & MGA_UPLOAD_TEX1) + ret |= mga_verify_tex(dev_priv, 1); if ( dirty & MGA_UPLOAD_PIPE ) ret |= ( sarea_priv->warp_pipe > MGA_MAX_G400_PIPES ); @@ -686,12 +684,12 @@ static void mga_dma_dispatch_vertex( drm_device_t *dev, drm_buf_t *buf ) BEGIN_DMA( 1 ); - DMA_BLOCK( MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_SECADDRESS, (address | - MGA_DMA_VERTEX), - MGA_SECEND, ((address + length) | - MGA_PAGPXFER) ); + DMA_BLOCK(MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_SECADDRESS, (address | + MGA_DMA_VERTEX), + MGA_SECEND, ((address + length) | + dev_priv->dma_access)); ADVANCE_DMA(); } while ( ++i < sarea_priv->nbox ); @@ -733,11 +731,11 @@ static void mga_dma_dispatch_indices( drm_device_t *dev, drm_buf_t *buf, BEGIN_DMA( 1 ); - DMA_BLOCK( MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_SETUPADDRESS, address + start, - MGA_SETUPEND, ((address + end) | - MGA_PAGPXFER) ); + DMA_BLOCK(MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_SETUPADDRESS, address + start, + MGA_SETUPEND, ((address + end) | + dev_priv->dma_access)); ADVANCE_DMA(); } while ( ++i < sarea_priv->nbox ); @@ -764,7 +762,7 @@ static void mga_dma_dispatch_iload( drm_device_t *dev, drm_buf_t *buf, drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_buf_priv_t *buf_priv = buf->dev_private; drm_mga_context_regs_t *ctx = &dev_priv->sarea_priv->context_state; - u32 srcorg = buf->bus_address | MGA_SRCACC_AGP | MGA_SRCMAP_SYSMEM; + u32 srcorg = buf->bus_address | dev_priv->dma_access | MGA_SRCMAP_SYSMEM; u32 y2; DMA_LOCALS; DRM_DEBUG( "buf=%d used=%d\n", buf->idx, buf->used ); @@ -1095,6 +1093,9 @@ static int mga_getparam( DRM_IOCTL_ARGS ) case MGA_PARAM_IRQ_NR: value = dev->irq; break; + case MGA_PARAM_CARD_TYPE: + value = dev_priv->chipset; + break; default: return DRM_ERR(EINVAL); } @@ -1107,17 +1108,82 @@ static int mga_getparam( DRM_IOCTL_ARGS ) return 0; } +static int mga_set_fence(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_mga_private_t *dev_priv = dev->dev_private; + u32 temp; + DMA_LOCALS; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + DRM_DEBUG("pid=%d\n", DRM_CURRENTPID); + + /* I would normal do this assignment in the declaration of temp, + * but dev_priv may be NULL. + */ + + temp = dev_priv->next_fence_to_post; + dev_priv->next_fence_to_post++; + + BEGIN_DMA(1); + DMA_BLOCK(MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_SOFTRAP, 0x00000000); + ADVANCE_DMA(); + + if (DRM_COPY_TO_USER( (u32 __user *) data, & temp, sizeof(u32))) { + DRM_ERROR("copy_to_user\n"); + return DRM_ERR(EFAULT); + } + + return 0; +} + +static int mga_wait_fence(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_mga_private_t *dev_priv = dev->dev_private; + u32 fence; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(fence, (u32 __user *) data, sizeof(u32)); + + DRM_DEBUG("pid=%d\n", DRM_CURRENTPID); + + mga_driver_fence_wait(dev, & fence); + + if (DRM_COPY_TO_USER( (u32 __user *) data, & fence, sizeof(u32))) { + DRM_ERROR("copy_to_user\n"); + return DRM_ERR(EFAULT); + } + + return 0; +} + drm_ioctl_desc_t mga_ioctls[] = { - [DRM_IOCTL_NR(DRM_MGA_INIT)] = { mga_dma_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_MGA_FLUSH)] = { mga_dma_flush, 1, 0 }, - [DRM_IOCTL_NR(DRM_MGA_RESET)] = { mga_dma_reset, 1, 0 }, - [DRM_IOCTL_NR(DRM_MGA_SWAP)] = { mga_dma_swap, 1, 0 }, - [DRM_IOCTL_NR(DRM_MGA_CLEAR)] = { mga_dma_clear, 1, 0 }, - [DRM_IOCTL_NR(DRM_MGA_VERTEX)] = { mga_dma_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_MGA_INDICES)] = { mga_dma_indices, 1, 0 }, - [DRM_IOCTL_NR(DRM_MGA_ILOAD)] = { mga_dma_iload, 1, 0 }, - [DRM_IOCTL_NR(DRM_MGA_BLIT)] = { mga_dma_blit, 1, 0 }, - [DRM_IOCTL_NR(DRM_MGA_GETPARAM)]= { mga_getparam, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_INIT)] = {mga_dma_init, 1, 1}, + [DRM_IOCTL_NR(DRM_MGA_FLUSH)] = {mga_dma_flush, 1, 0}, + [DRM_IOCTL_NR(DRM_MGA_RESET)] = {mga_dma_reset, 1, 0}, + [DRM_IOCTL_NR(DRM_MGA_SWAP)] = {mga_dma_swap, 1, 0}, + [DRM_IOCTL_NR(DRM_MGA_CLEAR)] = {mga_dma_clear, 1, 0}, + [DRM_IOCTL_NR(DRM_MGA_VERTEX)] = {mga_dma_vertex, 1, 0}, + [DRM_IOCTL_NR(DRM_MGA_INDICES)] = {mga_dma_indices, 1, 0}, + [DRM_IOCTL_NR(DRM_MGA_ILOAD)] = {mga_dma_iload, 1, 0}, + [DRM_IOCTL_NR(DRM_MGA_BLIT)] = {mga_dma_blit, 1, 0}, + [DRM_IOCTL_NR(DRM_MGA_GETPARAM)] = {mga_getparam, 1, 0}, + [DRM_IOCTL_NR(DRM_MGA_SET_FENCE)] = {mga_set_fence, 1, 0}, + [DRM_IOCTL_NR(DRM_MGA_WAIT_FENCE)] = {mga_wait_fence, 1, 0}, + [DRM_IOCTL_NR(DRM_MGA_DMA_BOOTSTRAP)] = {mga_dma_bootstrap, 1, 1}, + }; int mga_max_ioctl = DRM_ARRAY_SIZE(mga_ioctls); diff --git a/drivers/char/drm/mga_warp.c b/drivers/char/drm/mga_warp.c index 0a3a0cc700d..55ccc8a0ac2 100644 --- a/drivers/char/drm/mga_warp.c +++ b/drivers/char/drm/mga_warp.c @@ -48,65 +48,52 @@ do { \ vcbase += WARP_UCODE_SIZE( which ); \ } while (0) - -static unsigned int mga_warp_g400_microcode_size( drm_mga_private_t *dev_priv ) -{ - unsigned int size; - - size = ( WARP_UCODE_SIZE( warp_g400_tgz ) + - WARP_UCODE_SIZE( warp_g400_tgza ) + - WARP_UCODE_SIZE( warp_g400_tgzaf ) + - WARP_UCODE_SIZE( warp_g400_tgzf ) + - WARP_UCODE_SIZE( warp_g400_tgzs ) + - WARP_UCODE_SIZE( warp_g400_tgzsa ) + - WARP_UCODE_SIZE( warp_g400_tgzsaf ) + - WARP_UCODE_SIZE( warp_g400_tgzsf ) + - WARP_UCODE_SIZE( warp_g400_t2gz ) + - WARP_UCODE_SIZE( warp_g400_t2gza ) + - WARP_UCODE_SIZE( warp_g400_t2gzaf ) + - WARP_UCODE_SIZE( warp_g400_t2gzf ) + - WARP_UCODE_SIZE( warp_g400_t2gzs ) + - WARP_UCODE_SIZE( warp_g400_t2gzsa ) + - WARP_UCODE_SIZE( warp_g400_t2gzsaf ) + - WARP_UCODE_SIZE( warp_g400_t2gzsf ) ); - - size = PAGE_ALIGN( size ); - - DRM_DEBUG( "G400 ucode size = %d bytes\n", size ); - return size; -} - -static unsigned int mga_warp_g200_microcode_size( drm_mga_private_t *dev_priv ) +static const unsigned int mga_warp_g400_microcode_size = + (WARP_UCODE_SIZE(warp_g400_tgz) + + WARP_UCODE_SIZE(warp_g400_tgza) + + WARP_UCODE_SIZE(warp_g400_tgzaf) + + WARP_UCODE_SIZE(warp_g400_tgzf) + + WARP_UCODE_SIZE(warp_g400_tgzs) + + WARP_UCODE_SIZE(warp_g400_tgzsa) + + WARP_UCODE_SIZE(warp_g400_tgzsaf) + + WARP_UCODE_SIZE(warp_g400_tgzsf) + + WARP_UCODE_SIZE(warp_g400_t2gz) + + WARP_UCODE_SIZE(warp_g400_t2gza) + + WARP_UCODE_SIZE(warp_g400_t2gzaf) + + WARP_UCODE_SIZE(warp_g400_t2gzf) + + WARP_UCODE_SIZE(warp_g400_t2gzs) + + WARP_UCODE_SIZE(warp_g400_t2gzsa) + + WARP_UCODE_SIZE(warp_g400_t2gzsaf) + + WARP_UCODE_SIZE(warp_g400_t2gzsf)); + +static const unsigned int mga_warp_g200_microcode_size = + (WARP_UCODE_SIZE(warp_g200_tgz) + + WARP_UCODE_SIZE(warp_g200_tgza) + + WARP_UCODE_SIZE(warp_g200_tgzaf) + + WARP_UCODE_SIZE(warp_g200_tgzf) + + WARP_UCODE_SIZE(warp_g200_tgzs) + + WARP_UCODE_SIZE(warp_g200_tgzsa) + + WARP_UCODE_SIZE(warp_g200_tgzsaf) + + WARP_UCODE_SIZE(warp_g200_tgzsf)); + + +unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv) { - unsigned int size; - - size = ( WARP_UCODE_SIZE( warp_g200_tgz ) + - WARP_UCODE_SIZE( warp_g200_tgza ) + - WARP_UCODE_SIZE( warp_g200_tgzaf ) + - WARP_UCODE_SIZE( warp_g200_tgzf ) + - WARP_UCODE_SIZE( warp_g200_tgzs ) + - WARP_UCODE_SIZE( warp_g200_tgzsa ) + - WARP_UCODE_SIZE( warp_g200_tgzsaf ) + - WARP_UCODE_SIZE( warp_g200_tgzsf ) ); - - size = PAGE_ALIGN( size ); - - DRM_DEBUG( "G200 ucode size = %d bytes\n", size ); - return size; + switch (dev_priv->chipset) { + case MGA_CARD_TYPE_G400: + case MGA_CARD_TYPE_G550: + return PAGE_ALIGN(mga_warp_g400_microcode_size); + case MGA_CARD_TYPE_G200: + return PAGE_ALIGN(mga_warp_g200_microcode_size); + default: + return 0; + } } static int mga_warp_install_g400_microcode( drm_mga_private_t *dev_priv ) { unsigned char *vcbase = dev_priv->warp->handle; unsigned long pcbase = dev_priv->warp->offset; - unsigned int size; - - size = mga_warp_g400_microcode_size( dev_priv ); - if ( size > dev_priv->warp->size ) { - DRM_ERROR( "microcode too large! (%u > %lu)\n", - size, dev_priv->warp->size ); - return DRM_ERR(ENOMEM); - } memset( dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys) ); @@ -136,35 +123,36 @@ static int mga_warp_install_g200_microcode( drm_mga_private_t *dev_priv ) { unsigned char *vcbase = dev_priv->warp->handle; unsigned long pcbase = dev_priv->warp->offset; - unsigned int size; - - size = mga_warp_g200_microcode_size( dev_priv ); - if ( size > dev_priv->warp->size ) { - DRM_ERROR( "microcode too large! (%u > %lu)\n", - size, dev_priv->warp->size ); - return DRM_ERR(ENOMEM); - } - memset( dev_priv->warp_pipe_phys, 0, - sizeof(dev_priv->warp_pipe_phys) ); + memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys)); - WARP_UCODE_INSTALL( warp_g200_tgz, MGA_WARP_TGZ ); - WARP_UCODE_INSTALL( warp_g200_tgzf, MGA_WARP_TGZF ); - WARP_UCODE_INSTALL( warp_g200_tgza, MGA_WARP_TGZA ); - WARP_UCODE_INSTALL( warp_g200_tgzaf, MGA_WARP_TGZAF ); - WARP_UCODE_INSTALL( warp_g200_tgzs, MGA_WARP_TGZS ); - WARP_UCODE_INSTALL( warp_g200_tgzsf, MGA_WARP_TGZSF ); - WARP_UCODE_INSTALL( warp_g200_tgzsa, MGA_WARP_TGZSA ); - WARP_UCODE_INSTALL( warp_g200_tgzsaf, MGA_WARP_TGZSAF ); + WARP_UCODE_INSTALL(warp_g200_tgz, MGA_WARP_TGZ); + WARP_UCODE_INSTALL(warp_g200_tgzf, MGA_WARP_TGZF); + WARP_UCODE_INSTALL(warp_g200_tgza, MGA_WARP_TGZA); + WARP_UCODE_INSTALL(warp_g200_tgzaf, MGA_WARP_TGZAF); + WARP_UCODE_INSTALL(warp_g200_tgzs, MGA_WARP_TGZS); + WARP_UCODE_INSTALL(warp_g200_tgzsf, MGA_WARP_TGZSF); + WARP_UCODE_INSTALL(warp_g200_tgzsa, MGA_WARP_TGZSA); + WARP_UCODE_INSTALL(warp_g200_tgzsaf, MGA_WARP_TGZSAF); return 0; } int mga_warp_install_microcode( drm_mga_private_t *dev_priv ) { - switch ( dev_priv->chipset ) { + const unsigned int size = mga_warp_microcode_size(dev_priv); + + DRM_DEBUG("MGA ucode size = %d bytes\n", size); + if (size > dev_priv->warp->size) { + DRM_ERROR("microcode too large! (%u > %lu)\n", + size, dev_priv->warp->size); + return DRM_ERR(ENOMEM); + } + + switch (dev_priv->chipset) { case MGA_CARD_TYPE_G400: - return mga_warp_install_g400_microcode( dev_priv ); + case MGA_CARD_TYPE_G550: + return mga_warp_install_g400_microcode(dev_priv); case MGA_CARD_TYPE_G200: return mga_warp_install_g200_microcode( dev_priv ); default: @@ -182,10 +170,11 @@ int mga_warp_init( drm_mga_private_t *dev_priv ) */ switch ( dev_priv->chipset ) { case MGA_CARD_TYPE_G400: - MGA_WRITE( MGA_WIADDR2, MGA_WMODE_SUSPEND ); - MGA_WRITE( MGA_WGETMSB, 0x00000E00 ); - MGA_WRITE( MGA_WVRTXSZ, 0x00001807 ); - MGA_WRITE( MGA_WACCEPTSEQ, 0x18000000 ); + case MGA_CARD_TYPE_G550: + MGA_WRITE(MGA_WIADDR2, MGA_WMODE_SUSPEND); + MGA_WRITE(MGA_WGETMSB, 0x00000E00); + MGA_WRITE(MGA_WVRTXSZ, 0x00001807); + MGA_WRITE(MGA_WACCEPTSEQ, 0x18000000); break; case MGA_CARD_TYPE_G200: MGA_WRITE( MGA_WIADDR, MGA_WMODE_SUSPEND ); |