diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvd0_display.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvd0_display.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c new file mode 100644 index 00000000000..6ce1529aaa3 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvd0_display.c @@ -0,0 +1,170 @@ +/* + * Copyright 2011 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * 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: Ben Skeggs + */ + +#include "drmP.h" + +#include "nouveau_drv.h" +#include "nouveau_connector.h" +#include "nouveau_encoder.h" +#include "nouveau_crtc.h" + +struct nvd0_display { + struct nouveau_gpuobj *mem; +}; + +static struct nvd0_display * +nvd0_display(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + return dev_priv->engine.display.priv; +} + +/****************************************************************************** + * DAC + *****************************************************************************/ + +/****************************************************************************** + * SOR + *****************************************************************************/ + +/****************************************************************************** + * IRQ + *****************************************************************************/ + +/****************************************************************************** + * Init + *****************************************************************************/ +static void +nvd0_display_fini(struct drm_device *dev) +{ + int i; + + /* fini cursors */ + for (i = 14; i >= 13; i--) { + if (!(nv_rd32(dev, 0x610490 + (i * 0x10)) & 0x00000001)) + continue; + + nv_mask(dev, 0x610490 + (i * 0x10), 0x00000001, 0x00000000); + nv_wait(dev, 0x610490 + (i * 0x10), 0x00010000, 0x00000000); + nv_mask(dev, 0x610090, 1 << i, 0x00000000); + nv_mask(dev, 0x6100a0, 1 << i, 0x00000000); + } + + /* fini master */ + if (nv_rd32(dev, 0x610490) & 0x00000010) { + nv_mask(dev, 0x610490, 0x00000010, 0x00000000); + nv_mask(dev, 0x610490, 0x00000003, 0x00000000); + nv_wait(dev, 0x610490, 0x80000000, 0x00000000); + nv_mask(dev, 0x610090, 0x00000001, 0x00000000); + nv_mask(dev, 0x6100a0, 0x00000001, 0x00000000); + } +} + +int +nvd0_display_init(struct drm_device *dev) +{ + struct nvd0_display *disp = nvd0_display(dev); + int i; + + if (nv_rd32(dev, 0x6100ac) & 0x00000100) { + nv_wr32(dev, 0x6100ac, 0x00000100); + nv_mask(dev, 0x6194e8, 0x00000001, 0x00000000); + if (!nv_wait(dev, 0x6194e8, 0x00000002, 0x00000000)) { + NV_ERROR(dev, "PDISP: 0x6194e8 0x%08x\n", + nv_rd32(dev, 0x6194e8)); + return -EBUSY; + } + } + + nv_wr32(dev, 0x610010, (disp->mem->vinst >> 8) | 9); + + /* init master */ + nv_wr32(dev, 0x610494, ((disp->mem->vinst + 0x1000) >> 8) | 1); + nv_wr32(dev, 0x610498, 0x00010000); + nv_wr32(dev, 0x61049c, 0x00000000); + nv_mask(dev, 0x610490, 0x00000010, 0x00000010); + nv_wr32(dev, 0x640000, 0x00000000); + nv_wr32(dev, 0x610490, 0x01000013); + if (!nv_wait(dev, 0x610490, 0x80000000, 0x00000000)) { + NV_ERROR(dev, "PDISP: master 0x%08x\n", + nv_rd32(dev, 0x610490)); + return -EBUSY; + } + nv_mask(dev, 0x610090, 0x00000001, 0x00000001); + nv_mask(dev, 0x6100a0, 0x00000001, 0x00000001); + + /* init cursors */ + for (i = 13; i <= 14; i++) { + nv_wr32(dev, 0x610490 + (i * 0x10), 0x00000001); + if (!nv_wait(dev, 0x610490 + (i * 0x10), 0x00010000, 0x00010000)) { + NV_ERROR(dev, "PDISP: curs%d 0x%08x\n", i, + nv_rd32(dev, 0x610490 + (i * 0x10))); + return -EBUSY; + } + + nv_mask(dev, 0x610090, 1 << i, 1 << i); + nv_mask(dev, 0x6100a0, 1 << i, 1 << i); + } + + return 0; +} + +void +nvd0_display_destroy(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nvd0_display *disp = nvd0_display(dev); + + nvd0_display_fini(dev); + + dev_priv->engine.display.priv = NULL; + nouveau_gpuobj_ref(NULL, &disp->mem); + kfree(disp); +} + +int +nvd0_display_create(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nvd0_display *disp; + int ret; + + disp = kzalloc(sizeof(*disp), GFP_KERNEL); + if (!disp) + return -ENOMEM; + dev_priv->engine.display.priv = disp; + + ret = nouveau_gpuobj_new(dev, NULL, 8 * 1024, 0x1000, 0, &disp->mem); + if (ret) + goto out; + + ret = nvd0_display_init(dev); + if (ret) + goto out; + +out: + if (ret) + nvd0_display_destroy(dev); + return ret; +} |