diff options
Diffstat (limited to 'shared-core/radeon_cp.c')
| -rw-r--r-- | shared-core/radeon_cp.c | 40 |
1 files changed, 31 insertions, 9 deletions
diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c index c5ff768a..27a1beb0 100644 --- a/shared-core/radeon_cp.c +++ b/shared-core/radeon_cp.c @@ -36,7 +36,6 @@ #define RADEON_FIFO_DEBUG 0 - /* CP microcode (from ATI) */ static u32 R200_cp_microcode[][2] = { { 0x21007000, 0000000000 }, @@ -1285,12 +1284,8 @@ int radeon_do_cleanup_cp( drm_device_t *dev ) dev_priv->bus_pci_gart )) DRM_ERROR( "failed to cleanup PCI GART!\n" ); } - - { - int flags = dev_priv->flags; - memset(dev_priv, 0, sizeof(*dev_priv)); - dev_priv->flags = flags; - } + /* only clear to the start of flags */ + memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags)); return 0; } @@ -1735,8 +1730,9 @@ int radeon_cp_buffers( DRM_IOCTL_ARGS ) /* Always create a map record for MMIO and FB memory, done from DRIVER_POSTINIT */ int radeon_preinit( struct drm_device *dev, unsigned long flags ) { - u32 save, temp; + u32 save, temp, memmode; drm_radeon_private_t *dev_priv; + int ret = 0; dev_priv = DRM(alloc)( sizeof(drm_radeon_private_t), DRM_MEM_DRIVER ); if ( dev_priv == NULL ) @@ -1746,6 +1742,17 @@ int radeon_preinit( struct drm_device *dev, unsigned long flags ) dev->dev_private = (void *)dev_priv; dev_priv->flags = flags; + /* registers */ + /* PCI space is twice the real size, so that you can have a RW and RO mapping */ + if( (ret = DRM(initmap)( dev, pci_resource_start( dev->pdev, 2 ), + pci_resource_len( dev->pdev, 2 ) / 2, _DRM_REGISTERS, 0 ))) + return ret; + + /* framebuffer */ + if( (ret = DRM(initmap)( dev, pci_resource_start( dev->pdev, 0 ), + pci_resource_len( dev->pdev, 0 ), _DRM_FRAME_BUFFER, _DRM_WRITE_COMBINING ))) + return ret; + /* There are signatures in BIOS and PCI-SSID for a PCI card, but they are not very reliable. Following detection method works for all cards tested so far. Note, checking AGP_ENABLE bit after drmAgpEnable call can also give the correct result. @@ -1759,8 +1766,19 @@ int radeon_preinit( struct drm_device *dev, unsigned long flags ) dev_priv->flags |= CHIP_IS_AGP; DRM_DEBUG("%s card detected\n", ((dev_priv->flags & CHIP_IS_AGP) ? "AGP" : "PCI")); pci_write_config_dword(dev->pdev, RADEON_AGP_COMMAND_PCI_CONFIG, save); + + /* Check if we need a reset */ + if (!(dev_priv->mmio = drm_core_findmap(dev , pci_resource_start( dev->pdev, 2 )))) + return DRM_ERR(ENOMEM); - return 0; + memmode = RADEON_READ(RADEON_MEM_SDRAM_MODE_REG); + DRM_DEBUG("Memmode is %x, if zero needs reset\n", memmode); + dev->need_reset = (memmode == 0); + +#if defined(__linux__) + ret = radeon_create_i2c_busses(dev); +#endif + return ret; } int radeon_postinit( struct drm_device *dev, unsigned long flags ) @@ -1772,6 +1790,10 @@ int radeon_postcleanup( struct drm_device *dev ) { drm_radeon_private_t *dev_priv = dev->dev_private; + DRM_DEBUG("\n"); +#if defined(__linux__) + radeon_delete_i2c_busses(dev); +#endif DRM(free)( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); dev->dev_private = NULL; |