X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=drivers%2Fchar%2Fdrm%2Fi915_dma.c;h=a043bb12301acd9c1cf087663659c775316dd9f2;hb=144a75fa1faa4a81530bded2e59872ef80d496b6;hp=25d8b2b9524d146dd978e394ef47dd4e4981edfe;hpb=6c340eac0285f3d62406d2d902d0e96fbf2a5dc0;p=~andy%2Flinux diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c index 25d8b2b9524..a043bb12301 100644 --- a/drivers/char/drm/i915_dma.c +++ b/drivers/char/drm/i915_dma.c @@ -31,17 +31,6 @@ #include "i915_drm.h" #include "i915_drv.h" -#define IS_I965G(dev) (dev->pci_device == 0x2972 || \ - dev->pci_device == 0x2982 || \ - dev->pci_device == 0x2992 || \ - dev->pci_device == 0x29A2 || \ - dev->pci_device == 0x2A02 || \ - dev->pci_device == 0x2A12) - -#define IS_G33(dev) (dev->pci_device == 0x29b2 || \ - dev->pci_device == 0x29c2 || \ - dev->pci_device == 0x29d2) - /* Really want an OS-independent resettable timer. Would like to have * this loop run for (eg) 3 sec, but have the timer reset every time * the head pointer changes, so that EBUSY only happens if the ring @@ -90,6 +79,7 @@ void i915_kernel_lost_context(struct drm_device * dev) static int i915_dma_cleanup(struct drm_device * dev) { + drm_i915_private_t *dev_priv = dev->dev_private; /* Make sure interrupts are disabled here because the uninstall ioctl * may not have been called from userspace and after dev_private * is freed, it's too late. @@ -97,52 +87,42 @@ static int i915_dma_cleanup(struct drm_device * dev) if (dev->irq) drm_irq_uninstall(dev); - if (dev->dev_private) { - drm_i915_private_t *dev_priv = - (drm_i915_private_t *) dev->dev_private; - - if (dev_priv->ring.virtual_start) { - drm_core_ioremapfree(&dev_priv->ring.map, dev); - } - - if (dev_priv->status_page_dmah) { - drm_pci_free(dev, dev_priv->status_page_dmah); - /* Need to rewrite hardware status page */ - I915_WRITE(0x02080, 0x1ffff000); - } - - if (dev_priv->status_gfx_addr) { - dev_priv->status_gfx_addr = 0; - drm_core_ioremapfree(&dev_priv->hws_map, dev); - I915_WRITE(0x2080, 0x1ffff000); - } + if (dev_priv->ring.virtual_start) { + drm_core_ioremapfree(&dev_priv->ring.map, dev); + dev_priv->ring.virtual_start = 0; + dev_priv->ring.map.handle = 0; + dev_priv->ring.map.size = 0; + } - drm_free(dev->dev_private, sizeof(drm_i915_private_t), - DRM_MEM_DRIVER); + if (dev_priv->status_page_dmah) { + drm_pci_free(dev, dev_priv->status_page_dmah); + dev_priv->status_page_dmah = NULL; + /* Need to rewrite hardware status page */ + I915_WRITE(0x02080, 0x1ffff000); + } - dev->dev_private = NULL; + if (dev_priv->status_gfx_addr) { + dev_priv->status_gfx_addr = 0; + drm_core_ioremapfree(&dev_priv->hws_map, dev); + I915_WRITE(0x2080, 0x1ffff000); } return 0; } -static int i915_initialize(struct drm_device * dev, - drm_i915_private_t * dev_priv, - drm_i915_init_t * init) +static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) { - memset(dev_priv, 0, sizeof(drm_i915_private_t)); + drm_i915_private_t *dev_priv = dev->dev_private; dev_priv->sarea = drm_getsarea(dev); if (!dev_priv->sarea) { DRM_ERROR("can not find sarea!\n"); - dev->dev_private = (void *)dev_priv; i915_dma_cleanup(dev); return -EINVAL; } dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); if (!dev_priv->mmio_map) { - dev->dev_private = (void *)dev_priv; i915_dma_cleanup(dev); DRM_ERROR("can not find mmio map!\n"); return -EINVAL; @@ -165,7 +145,6 @@ static int i915_initialize(struct drm_device * dev, drm_core_ioremap(&dev_priv->ring.map, dev); if (dev_priv->ring.map.handle == NULL) { - dev->dev_private = (void *)dev_priv; i915_dma_cleanup(dev); DRM_ERROR("can not ioremap virtual address for" " ring buffer\n"); @@ -192,12 +171,11 @@ static int i915_initialize(struct drm_device * dev, dev_priv->allow_batchbuffer = 1; /* Program Hardware Status Page */ - if (!IS_G33(dev)) { + if (!I915_NEED_GFX_HWS(dev)) { dev_priv->status_page_dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff); if (!dev_priv->status_page_dmah) { - dev->dev_private = (void *)dev_priv; i915_dma_cleanup(dev); DRM_ERROR("Can not allocate hardware status page\n"); return -ENOMEM; @@ -209,7 +187,6 @@ static int i915_initialize(struct drm_device * dev, I915_WRITE(0x02080, dev_priv->dma_status_page); } DRM_DEBUG("Enabled hardware status page\n"); - dev->dev_private = (void *)dev_priv; return 0; } @@ -251,23 +228,15 @@ static int i915_dma_resume(struct drm_device * dev) return 0; } -static int i915_dma_init(DRM_IOCTL_ARGS) +static int i915_dma_init(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - drm_i915_private_t *dev_priv; - drm_i915_init_t init; + drm_i915_init_t *init = data; int retcode = 0; - DRM_COPY_FROM_USER_IOCTL(init, (drm_i915_init_t __user *) data, - sizeof(init)); - - switch (init.func) { + switch (init->func) { case I915_INIT_DMA: - dev_priv = drm_alloc(sizeof(drm_i915_private_t), - DRM_MEM_DRIVER); - if (dev_priv == NULL) - return -ENOMEM; - retcode = i915_initialize(dev, dev_priv, &init); + retcode = i915_initialize(dev, init); break; case I915_CLEANUP_DMA: retcode = i915_dma_cleanup(dev); @@ -354,7 +323,7 @@ static int validate_cmd(int cmd) { int ret = do_validate_cmd(cmd); -/* printk("validate_cmd( %x ): %d\n", cmd, ret); */ +/* printk("validate_cmd( %x ): %d\n", cmd, ret); */ return ret; } @@ -598,23 +567,22 @@ static int i915_quiescent(struct drm_device * dev) return i915_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__); } -static int i915_flush_ioctl(DRM_IOCTL_ARGS) +static int i915_flush_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - LOCK_TEST_WITH_RETURN(dev, file_priv); return i915_quiescent(dev); } -static int i915_batchbuffer(DRM_IOCTL_ARGS) +static int i915_batchbuffer(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; u32 *hw_status = dev_priv->hw_status_page; drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) dev_priv->sarea_priv; - drm_i915_batchbuffer_t batch; + drm_i915_batchbuffer_t *batch = data; int ret; if (!dev_priv->allow_batchbuffer) { @@ -622,52 +590,46 @@ static int i915_batchbuffer(DRM_IOCTL_ARGS) return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(batch, (drm_i915_batchbuffer_t __user *) data, - sizeof(batch)); - DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d\n", - batch.start, batch.used, batch.num_cliprects); + batch->start, batch->used, batch->num_cliprects); LOCK_TEST_WITH_RETURN(dev, file_priv); - if (batch.num_cliprects && DRM_VERIFYAREA_READ(batch.cliprects, - batch.num_cliprects * + if (batch->num_cliprects && DRM_VERIFYAREA_READ(batch->cliprects, + batch->num_cliprects * sizeof(struct drm_clip_rect))) return -EFAULT; - ret = i915_dispatch_batchbuffer(dev, &batch); + ret = i915_dispatch_batchbuffer(dev, batch); sarea_priv->last_dispatch = (int)hw_status[5]; return ret; } -static int i915_cmdbuffer(DRM_IOCTL_ARGS) +static int i915_cmdbuffer(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; u32 *hw_status = dev_priv->hw_status_page; drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) dev_priv->sarea_priv; - drm_i915_cmdbuffer_t cmdbuf; + drm_i915_cmdbuffer_t *cmdbuf = data; int ret; - DRM_COPY_FROM_USER_IOCTL(cmdbuf, (drm_i915_cmdbuffer_t __user *) data, - sizeof(cmdbuf)); - DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n", - cmdbuf.buf, cmdbuf.sz, cmdbuf.num_cliprects); + cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects); LOCK_TEST_WITH_RETURN(dev, file_priv); - if (cmdbuf.num_cliprects && - DRM_VERIFYAREA_READ(cmdbuf.cliprects, - cmdbuf.num_cliprects * + if (cmdbuf->num_cliprects && + DRM_VERIFYAREA_READ(cmdbuf->cliprects, + cmdbuf->num_cliprects * sizeof(struct drm_clip_rect))) { DRM_ERROR("Fault accessing cliprects\n"); return -EFAULT; } - ret = i915_dispatch_cmdbuffer(dev, &cmdbuf); + ret = i915_dispatch_cmdbuffer(dev, cmdbuf); if (ret) { DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); return ret; @@ -677,10 +639,9 @@ static int i915_cmdbuffer(DRM_IOCTL_ARGS) return 0; } -static int i915_flip_bufs(DRM_IOCTL_ARGS) +static int i915_flip_bufs(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - DRM_DEBUG("%s\n", __FUNCTION__); LOCK_TEST_WITH_RETURN(dev, file_priv); @@ -688,22 +649,19 @@ static int i915_flip_bufs(DRM_IOCTL_ARGS) return i915_dispatch_flip(dev); } -static int i915_getparam(DRM_IOCTL_ARGS) +static int i915_getparam(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_getparam_t param; + drm_i915_getparam_t *param = data; int value; if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + DRM_ERROR("called with no initialization\n"); return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(param, (drm_i915_getparam_t __user *) data, - sizeof(param)); - - switch (param.param) { + switch (param->param) { case I915_PARAM_IRQ_ACTIVE: value = dev->irq ? 1 : 0; break; @@ -714,11 +672,11 @@ static int i915_getparam(DRM_IOCTL_ARGS) value = READ_BREADCRUMB(dev_priv); break; default: - DRM_ERROR("Unknown parameter %d\n", param.param); + DRM_ERROR("Unknown parameter %d\n", param->param); return -EINVAL; } - if (DRM_COPY_TO_USER(param.value, &value, sizeof(int))) { + if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) { DRM_ERROR("DRM_COPY_TO_USER failed\n"); return -EFAULT; } @@ -726,56 +684,55 @@ static int i915_getparam(DRM_IOCTL_ARGS) return 0; } -static int i915_setparam(DRM_IOCTL_ARGS) +static int i915_setparam(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_setparam_t param; + drm_i915_setparam_t *param = data; if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + DRM_ERROR("called with no initialization\n"); return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(param, (drm_i915_setparam_t __user *) data, - sizeof(param)); - - switch (param.param) { + switch (param->param) { case I915_SETPARAM_USE_MI_BATCHBUFFER_START: if (!IS_I965G(dev)) - dev_priv->use_mi_batchbuffer_start = param.value; + dev_priv->use_mi_batchbuffer_start = param->value; break; case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY: - dev_priv->tex_lru_log_granularity = param.value; + dev_priv->tex_lru_log_granularity = param->value; break; case I915_SETPARAM_ALLOW_BATCHBUFFER: - dev_priv->allow_batchbuffer = param.value; + dev_priv->allow_batchbuffer = param->value; break; default: - DRM_ERROR("unknown parameter %d\n", param.param); + DRM_ERROR("unknown parameter %d\n", param->param); return -EINVAL; } return 0; } -static int i915_set_status_page(DRM_IOCTL_ARGS) +static int i915_set_status_page(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_hws_addr_t hws; + drm_i915_hws_addr_t *hws = data; + + if (!I915_NEED_GFX_HWS(dev)) + return -EINVAL; if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + DRM_ERROR("called with no initialization\n"); return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(hws, (drm_i915_hws_addr_t __user *) data, - sizeof(hws)); - printk(KERN_DEBUG "set status page addr 0x%08x\n", (u32)hws.addr); - dev_priv->status_gfx_addr = hws.addr & (0x1ffff<<12); + printk(KERN_DEBUG "set status page addr 0x%08x\n", (u32)hws->addr); + + dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12); - dev_priv->hws_map.offset = dev->agp->agp_info.aper_base + hws.addr; + dev_priv->hws_map.offset = dev->agp->base + hws->addr; dev_priv->hws_map.size = 4*1024; dev_priv->hws_map.type = 0; dev_priv->hws_map.flags = 0; @@ -783,7 +740,6 @@ static int i915_set_status_page(DRM_IOCTL_ARGS) drm_core_ioremap(&dev_priv->hws_map, dev); if (dev_priv->hws_map.handle == NULL) { - dev->dev_private = (void *)dev_priv; i915_dma_cleanup(dev); dev_priv->status_gfx_addr = 0; DRM_ERROR("can not ioremap virtual address for" @@ -802,6 +758,10 @@ static int i915_set_status_page(DRM_IOCTL_ARGS) int i915_driver_load(struct drm_device *dev, unsigned long flags) { + struct drm_i915_private *dev_priv = dev->dev_private; + unsigned long base, size; + int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1; + /* i915 has 4 more counters */ dev->counters += 4; dev->types[6] = _DRM_STAT_IRQ; @@ -809,44 +769,74 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) dev->types[8] = _DRM_STAT_SECONDARY; dev->types[9] = _DRM_STAT_DMA; + dev_priv = drm_alloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER); + if (dev_priv == NULL) + return -ENOMEM; + + memset(dev_priv, 0, sizeof(drm_i915_private_t)); + + dev->dev_private = (void *)dev_priv; + + /* Add register map (needed for suspend/resume) */ + base = drm_get_resource_start(dev, mmio_bar); + size = drm_get_resource_len(dev, mmio_bar); + + ret = drm_addmap(dev, base, size, _DRM_REGISTERS, + _DRM_KERNEL | _DRM_DRIVER, + &dev_priv->mmio_map); + return ret; +} + +int i915_driver_unload(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + if (dev_priv->mmio_map) + drm_rmmap(dev, dev_priv->mmio_map); + + drm_free(dev->dev_private, sizeof(drm_i915_private_t), + DRM_MEM_DRIVER); + return 0; } void i915_driver_lastclose(struct drm_device * dev) { - if (dev->dev_private) { - drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_private_t *dev_priv = dev->dev_private; + + if (!dev_priv) + return; + + if (dev_priv->agp_heap) i915_mem_takedown(&(dev_priv->agp_heap)); - } + i915_dma_cleanup(dev); } void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) { - if (dev->dev_private) { - drm_i915_private_t *dev_priv = dev->dev_private; - i915_mem_release(dev, file_priv, dev_priv->agp_heap); - } + drm_i915_private_t *dev_priv = dev->dev_private; + i915_mem_release(dev, file_priv, dev_priv->agp_heap); } -drm_ioctl_desc_t i915_ioctls[] = { - [DRM_IOCTL_NR(DRM_I915_INIT)] = {i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, - [DRM_IOCTL_NR(DRM_I915_FLUSH)] = {i915_flush_ioctl, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_FLIP)] = {i915_flip_bufs, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_BATCHBUFFER)] = {i915_batchbuffer, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_IRQ_EMIT)] = {i915_irq_emit, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_IRQ_WAIT)] = {i915_irq_wait, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_GETPARAM)] = {i915_getparam, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_SETPARAM)] = {i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, - [DRM_IOCTL_NR(DRM_I915_ALLOC)] = {i915_mem_alloc, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_FREE)] = {i915_mem_free, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_INIT_HEAP)] = {i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, - [DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] = {i915_cmdbuffer, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_DESTROY_HEAP)] = { i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_I915_SET_VBLANK_PIPE)] = { i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_I915_GET_VBLANK_PIPE)] = { i915_vblank_pipe_get, DRM_AUTH }, - [DRM_IOCTL_NR(DRM_I915_VBLANK_SWAP)] = {i915_vblank_swap, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_HWS_ADDR)] = {i915_set_status_page, DRM_AUTH}, +struct drm_ioctl_desc i915_ioctls[] = { + DRM_IOCTL_DEF(DRM_I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_I915_FLUSH, i915_flush_ioctl, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_FLIP, i915_flip_bufs, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_BATCHBUFFER, i915_batchbuffer, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_IRQ_EMIT, i915_irq_emit, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_IRQ_WAIT, i915_irq_wait, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_GETPARAM, i915_getparam, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_I915_ALLOC, i915_mem_alloc, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_FREE, i915_mem_free, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_INIT_HEAP, i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_I915_CMDBUFFER, i915_cmdbuffer, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_DESTROY_HEAP, i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ), + DRM_IOCTL_DEF(DRM_I915_SET_VBLANK_PIPE, i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ), + DRM_IOCTL_DEF(DRM_I915_GET_VBLANK_PIPE, i915_vblank_pipe_get, DRM_AUTH ), + DRM_IOCTL_DEF(DRM_I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_HWS_ADDR, i915_set_status_page, DRM_AUTH), }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);