diff options
| -rw-r--r-- | shared-core/nouveau_drv.h | 18 | ||||
| -rw-r--r-- | shared-core/nouveau_mem.c | 32 | ||||
| -rw-r--r-- | shared-core/nouveau_state.c | 18 |
3 files changed, 27 insertions, 41 deletions
diff --git a/shared-core/nouveau_drv.h b/shared-core/nouveau_drv.h index f549e600..b2ddf0a6 100644 --- a/shared-core/nouveau_drv.h +++ b/shared-core/nouveau_drv.h @@ -220,11 +220,6 @@ extern struct mem_block* nouveau_instmem_alloc(struct drm_device *dev, uint32_t size, uint32_t align); extern void nouveau_instmem_free(struct drm_device *dev, struct mem_block *block); -extern uint32_t nouveau_instmem_r32(drm_nouveau_private_t *dev_priv, - struct mem_block *mem, int index); -extern void nouveau_instmem_w32(drm_nouveau_private_t *dev_priv, - struct mem_block *mem, int index, - uint32_t val); /* nouveau_notifier.c */ extern int nouveau_notifier_init_channel(drm_device_t *, int channel, DRMFILE); @@ -381,8 +376,17 @@ extern long nouveau_compat_ioctl(struct file *filp, unsigned int cmd, #define NV_WRITE(reg,val) DRM_WRITE32( dev_priv->mmio, (reg), (val) ) #endif -#define INSTANCE_WR(mem,ofs,val) nouveau_instmem_w32(dev_priv,(mem),(ofs),(val)) -#define INSTANCE_RD(mem,ofs) nouveau_instmem_r32(dev_priv,(mem),(ofs)) +/* PRAMIN access */ +#if defined(__powerpc__) +#define NV_RI32(o) in_be32((void __iomem *)(dev_priv->ramin)->handle+(o)) +#define NV_WI32(o,v) out_be32((void __iomem*)(dev_priv->ramin)->handle+(o), (v)) +#else +#define NV_RI32(o) DRM_READ32(dev_priv->ramin, (o)) +#define NV_WI32(o,v) DRM_WRITE32(dev_priv->ramin, (o), (v)) +#endif + +#define INSTANCE_RD(o,i) NV_RI32((o)->start + ((i)<<2)) +#define INSTANCE_WR(o,i,v) NV_WI32((o)->start + ((i)<<2), (v)) #endif /* __NOUVEAU_DRV_H__ */ diff --git a/shared-core/nouveau_mem.c b/shared-core/nouveau_mem.c index edfc9d3f..4c6d0d5c 100644 --- a/shared-core/nouveau_mem.c +++ b/shared-core/nouveau_mem.c @@ -602,38 +602,6 @@ void nouveau_instmem_free(struct drm_device *dev, struct mem_block *block) } } -uint32_t nouveau_instmem_r32(drm_nouveau_private_t *dev_priv, - struct mem_block *mem, int index) -{ - uint32_t ofs = (uint32_t)mem->start + (index<<2); - - if (dev_priv->ramin) { -#if defined(__powerpc__) - return in_be32((void __iomem *)(dev_priv->ramin)->handle + ofs); -#else - return DRM_READ32(dev_priv->ramin, ofs); -#endif - } else { - return NV_READ(NV_RAMIN+ofs); - } -} - -void nouveau_instmem_w32(drm_nouveau_private_t *dev_priv, - struct mem_block *mem, int index, uint32_t val) -{ - uint32_t ofs = (uint32_t)mem->start + (index<<2); - - if (dev_priv->ramin) { -#if defined(__powerpc__) - out_be32((void __iomem *)(dev_priv->ramin)->handle + ofs, val); -#else - DRM_WRITE32(dev_priv->ramin, ofs, val); -#endif - } else { - NV_WRITE(NV_RAMIN+ofs, val); - } -} - /* * Ioctls */ diff --git a/shared-core/nouveau_state.c b/shared-core/nouveau_state.c index 0cb82355..94d8081c 100644 --- a/shared-core/nouveau_state.c +++ b/shared-core/nouveau_state.c @@ -51,6 +51,7 @@ static int nouveau_init_card_mappings(drm_device_t *dev) DRM_DEBUG("regs mapped ok at 0x%lx\n", dev_priv->mmio->offset); /* map larger RAMIN aperture on NV40 cards */ + dev_priv->ramin = NULL; if (dev_priv->card_type >= NV_40) { int ramin_resource = 2; if (drm_get_resource_len(dev, ramin_resource) == 0) @@ -66,8 +67,21 @@ static int nouveau_init_card_mappings(drm_device_t *dev) "limited instance memory available\n"); dev_priv->ramin = NULL; } - } else - dev_priv->ramin = NULL; + } + + /* On older cards (or if the above failed), create a map covering + * the BAR0 PRAMIN aperture */ + if (!dev_priv->ramin) { + ret = drm_addmap(dev, + drm_get_resource_start(dev, 0) + NV_RAMIN, + (1*1024*1024), + _DRM_REGISTERS, _DRM_READ_ONLY, + &dev_priv->ramin); + if (ret) { + DRM_ERROR("Failed to map BAR0 PRAMIN: %d\n", ret); + return ret; + } + } return 0; } |