diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_crtc.c | 809 |
1 files changed, 809 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c new file mode 100644 index 00000000..701b9279 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nv50_crtc.c @@ -0,0 +1,809 @@ +/* + * Copyright (C) 2008 Maarten Maathuis. + * All Rights Reserved. + * + * 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 (including the + * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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. + * + */ + +#include "drmP.h" +#include "drm_mode.h" +#include "drm_crtc_helper.h" + +#define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO) +#include "nouveau_reg.h" +#include "nouveau_drv.h" +#include "nouveau_hw.h" +#include "nouveau_encoder.h" +#include "nouveau_crtc.h" +#include "nouveau_fb.h" +#include "nouveau_connector.h" +#include "nv50_display.h" + +static void +nv50_crtc_lut_load(struct drm_crtc *crtc) +{ + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + void __iomem *lut = nvbo_kmap_obj_iovirtual(nv_crtc->lut.nvbo); + int i; + + NV_DEBUG_KMS(crtc->dev, "\n"); + + for (i = 0; i < 256; i++) { + writew(nv_crtc->lut.r[i] >> 2, lut + 8*i + 0); + writew(nv_crtc->lut.g[i] >> 2, lut + 8*i + 2); + writew(nv_crtc->lut.b[i] >> 2, lut + 8*i + 4); + } + + if (nv_crtc->lut.depth == 30) { + writew(nv_crtc->lut.r[i - 1] >> 2, lut + 8*i + 0); + writew(nv_crtc->lut.g[i - 1] >> 2, lut + 8*i + 2); + writew(nv_crtc->lut.b[i - 1] >> 2, lut + 8*i + 4); + } +} + +int +nv50_crtc_blank(struct nouveau_crtc *nv_crtc, bool blanked) +{ + struct drm_device *dev = nv_crtc->base.dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_channel *evo = nv50_display(dev)->master; + int index = nv_crtc->index, ret; + + NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index); + NV_DEBUG_KMS(dev, "%s\n", blanked ? "blanked" : "unblanked"); + + if (blanked) { + nv_crtc->cursor.hide(nv_crtc, false); + + ret = RING_SPACE(evo, dev_priv->chipset != 0x50 ? 7 : 5); + if (ret) { + NV_ERROR(dev, "no space while blanking crtc\n"); + return ret; + } + BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, CLUT_MODE), 2); + OUT_RING(evo, NV50_EVO_CRTC_CLUT_MODE_BLANK); + OUT_RING(evo, 0); + if (dev_priv->chipset != 0x50) { + BEGIN_RING(evo, 0, NV84_EVO_CRTC(index, CLUT_DMA), 1); + OUT_RING(evo, NV84_EVO_CRTC_CLUT_DMA_HANDLE_NONE); + } + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, FB_DMA), 1); + OUT_RING(evo, NV50_EVO_CRTC_FB_DMA_HANDLE_NONE); + } else { + if (nv_crtc->cursor.visible) + nv_crtc->cursor.show(nv_crtc, false); + else + nv_crtc->cursor.hide(nv_crtc, false); + + ret = RING_SPACE(evo, dev_priv->chipset != 0x50 ? 10 : 8); + if (ret) { + NV_ERROR(dev, "no space while unblanking crtc\n"); + return ret; + } + BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, CLUT_MODE), 2); + OUT_RING(evo, nv_crtc->lut.depth == 8 ? + NV50_EVO_CRTC_CLUT_MODE_OFF : + NV50_EVO_CRTC_CLUT_MODE_ON); + OUT_RING(evo, nv_crtc->lut.nvbo->bo.offset >> 8); + if (dev_priv->chipset != 0x50) { + BEGIN_RING(evo, 0, NV84_EVO_CRTC(index, CLUT_DMA), 1); + OUT_RING(evo, NvEvoVRAM); + } + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, FB_OFFSET), 2); + OUT_RING(evo, nv_crtc->fb.offset >> 8); + OUT_RING(evo, 0); + BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, FB_DMA), 1); + if (dev_priv->chipset != 0x50) + if (nv_crtc->fb.tile_flags == 0x7a00 || + nv_crtc->fb.tile_flags == 0xfe00) + OUT_RING(evo, NvEvoFB32); + else + if (nv_crtc->fb.tile_flags == 0x7000) + OUT_RING(evo, NvEvoFB16); + else + OUT_RING(evo, NvEvoVRAM_LP); + else + OUT_RING(evo, NvEvoVRAM_LP); + } + + nv_crtc->fb.blanked = blanked; + return 0; +} + +static int +nv50_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update) +{ + struct nouveau_channel *evo = nv50_display(nv_crtc->base.dev)->master; + struct nouveau_connector *nv_connector; + struct drm_connector *connector; + int head = nv_crtc->index, ret; + u32 mode = 0x00; + + nv_connector = nouveau_crtc_connector_get(nv_crtc); + connector = &nv_connector->base; + if (nv_connector->dithering_mode == DITHERING_MODE_AUTO) { + if (nv_crtc->base.fb->depth > connector->display_info.bpc * 3) + mode = DITHERING_MODE_DYNAMIC2X2; + } else { + mode = nv_connector->dithering_mode; + } + + if (nv_connector->dithering_depth == DITHERING_DEPTH_AUTO) { + if (connector->display_info.bpc >= 8) + mode |= DITHERING_DEPTH_8BPC; + } else { + mode |= nv_connector->dithering_depth; + } + + ret = RING_SPACE(evo, 2 + (update ? 2 : 0)); + if (ret == 0) { + BEGIN_RING(evo, 0, NV50_EVO_CRTC(head, DITHER_CTRL), 1); + OUT_RING (evo, mode); + if (update) { + BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); + OUT_RING (evo, 0); + FIRE_RING (evo); + } + } + + return ret; +} + +static int +nv50_crtc_set_color_vibrance(struct nouveau_crtc *nv_crtc, bool update) +{ + struct drm_device *dev = nv_crtc->base.dev; + struct nouveau_channel *evo = nv50_display(dev)->master; + int ret; + int adj; + u32 hue, vib; + + NV_DEBUG_KMS(dev, "vibrance = %i, hue = %i\n", + nv_crtc->color_vibrance, nv_crtc->vibrant_hue); + + ret = RING_SPACE(evo, 2 + (update ? 2 : 0)); + if (ret) { + NV_ERROR(dev, "no space while setting color vibrance\n"); + return ret; + } + + adj = (nv_crtc->color_vibrance > 0) ? 50 : 0; + vib = ((nv_crtc->color_vibrance * 2047 + adj) / 100) & 0xfff; + + hue = ((nv_crtc->vibrant_hue * 2047) / 100) & 0xfff; + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, COLOR_CTRL), 1); + OUT_RING (evo, (hue << 20) | (vib << 8)); + + if (update) { + BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); + OUT_RING (evo, 0); + FIRE_RING (evo); + } + + return 0; +} + +struct nouveau_connector * +nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc) +{ + struct drm_device *dev = nv_crtc->base.dev; + struct drm_connector *connector; + struct drm_crtc *crtc = to_drm_crtc(nv_crtc); + + /* The safest approach is to find an encoder with the right crtc, that + * is also linked to a connector. */ + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + if (connector->encoder) + if (connector->encoder->crtc == crtc) + return nouveau_connector(connector); + } + + return NULL; +} + +static int +nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update) +{ + struct nouveau_connector *nv_connector; + struct drm_crtc *crtc = &nv_crtc->base; + struct drm_device *dev = crtc->dev; + struct nouveau_channel *evo = nv50_display(dev)->master; + struct drm_display_mode *umode = &crtc->mode; + struct drm_display_mode *omode; + int scaling_mode, ret; + u32 ctrl = 0, oX, oY; + + NV_DEBUG_KMS(dev, "\n"); + + nv_connector = nouveau_crtc_connector_get(nv_crtc); + if (!nv_connector || !nv_connector->native_mode) { + NV_ERROR(dev, "no native mode, forcing panel scaling\n"); + scaling_mode = DRM_MODE_SCALE_NONE; + } else { + scaling_mode = nv_connector->scaling_mode; + } + + /* start off at the resolution we programmed the crtc for, this + * effectively handles NONE/FULL scaling + */ + if (scaling_mode != DRM_MODE_SCALE_NONE) + omode = nv_connector->native_mode; + else + omode = umode; + + oX = omode->hdisplay; + oY = omode->vdisplay; + if (omode->flags & DRM_MODE_FLAG_DBLSCAN) + oY *= 2; + + /* add overscan compensation if necessary, will keep the aspect + * ratio the same as the backend mode unless overridden by the + * user setting both hborder and vborder properties. + */ + if (nv_connector && ( nv_connector->underscan == UNDERSCAN_ON || + (nv_connector->underscan == UNDERSCAN_AUTO && + nv_connector->edid && + drm_detect_hdmi_monitor(nv_connector->edid)))) { + u32 bX = nv_connector->underscan_hborder; + u32 bY = nv_connector->underscan_vborder; + u32 aspect = (oY << 19) / oX; + + if (bX) { + oX -= (bX * 2); + if (bY) oY -= (bY * 2); + else oY = ((oX * aspect) + (aspect / 2)) >> 19; + } else { + oX -= (oX >> 4) + 32; + if (bY) oY -= (bY * 2); + else oY = ((oX * aspect) + (aspect / 2)) >> 19; + } + } + + /* handle CENTER/ASPECT scaling, taking into account the areas + * removed already for overscan compensation + */ + switch (scaling_mode) { + case DRM_MODE_SCALE_CENTER: + oX = min((u32)umode->hdisplay, oX); + oY = min((u32)umode->vdisplay, oY); + /* fall-through */ + case DRM_MODE_SCALE_ASPECT: + if (oY < oX) { + u32 aspect = (umode->hdisplay << 19) / umode->vdisplay; + oX = ((oY * aspect) + (aspect / 2)) >> 19; + } else { + u32 aspect = (umode->vdisplay << 19) / umode->hdisplay; + oY = ((oX * aspect) + (aspect / 2)) >> 19; + } + break; + default: + break; + } + + if (umode->hdisplay != oX || umode->vdisplay != oY || + umode->flags & DRM_MODE_FLAG_INTERLACE || + umode->flags & DRM_MODE_FLAG_DBLSCAN) + ctrl |= NV50_EVO_CRTC_SCALE_CTRL_ACTIVE; + + ret = RING_SPACE(evo, 5); + if (ret) + return ret; + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, SCALE_CTRL), 1); + OUT_RING (evo, ctrl); + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, SCALE_RES1), 2); + OUT_RING (evo, oY << 16 | oX); + OUT_RING (evo, oY << 16 | oX); + + if (update) { + nv50_display_flip_stop(crtc); + nv50_display_sync(dev); + nv50_display_flip_next(crtc, crtc->fb, NULL); + } + + return 0; +} + +int +nv50_crtc_set_clock(struct drm_device *dev, int head, int pclk) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct pll_lims pll; + uint32_t reg1, reg2; + int ret, N1, M1, N2, M2, P; + + ret = get_pll_limits(dev, PLL_VPLL0 + head, &pll); + if (ret) + return ret; + + if (pll.vco2.maxfreq) { + ret = nv50_calc_pll(dev, &pll, pclk, &N1, &M1, &N2, &M2, &P); + if (ret <= 0) + return 0; + + NV_DEBUG(dev, "pclk %d out %d NM1 %d %d NM2 %d %d P %d\n", + pclk, ret, N1, M1, N2, M2, P); + + reg1 = nv_rd32(dev, pll.reg + 4) & 0xff00ff00; + reg2 = nv_rd32(dev, pll.reg + 8) & 0x8000ff00; + nv_wr32(dev, pll.reg + 0, 0x10000611); + nv_wr32(dev, pll.reg + 4, reg1 | (M1 << 16) | N1); + nv_wr32(dev, pll.reg + 8, reg2 | (P << 28) | (M2 << 16) | N2); + } else + if (dev_priv->chipset < NV_C0) { + ret = nva3_calc_pll(dev, &pll, pclk, &N1, &N2, &M1, &P); + if (ret <= 0) + return 0; + + NV_DEBUG(dev, "pclk %d out %d N %d fN 0x%04x M %d P %d\n", + pclk, ret, N1, N2, M1, P); + + reg1 = nv_rd32(dev, pll.reg + 4) & 0xffc00000; + nv_wr32(dev, pll.reg + 0, 0x50000610); + nv_wr32(dev, pll.reg + 4, reg1 | (P << 16) | (M1 << 8) | N1); + nv_wr32(dev, pll.reg + 8, N2); + } else { + ret = nva3_calc_pll(dev, &pll, pclk, &N1, &N2, &M1, &P); + if (ret <= 0) + return 0; + + NV_DEBUG(dev, "pclk %d out %d N %d fN 0x%04x M %d P %d\n", + pclk, ret, N1, N2, M1, P); + + nv_mask(dev, pll.reg + 0x0c, 0x00000000, 0x00000100); + nv_wr32(dev, pll.reg + 0x04, (P << 16) | (N1 << 8) | M1); + nv_wr32(dev, pll.reg + 0x10, N2 << 16); + } + + return 0; +} + +static void +nv50_crtc_destroy(struct drm_crtc *crtc) +{ + struct drm_device *dev; + struct nouveau_crtc *nv_crtc; + + if (!crtc) + return; + + dev = crtc->dev; + nv_crtc = nouveau_crtc(crtc); + + NV_DEBUG_KMS(dev, "\n"); + + drm_crtc_cleanup(&nv_crtc->base); + + nouveau_bo_unmap(nv_crtc->lut.nvbo); + nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo); + nouveau_bo_unmap(nv_crtc->cursor.nvbo); + nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo); + kfree(nv_crtc); +} + +int +nv50_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, + uint32_t buffer_handle, uint32_t width, uint32_t height) +{ + struct drm_device *dev = crtc->dev; + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + struct nouveau_bo *cursor = NULL; + struct drm_gem_object *gem; + int ret = 0, i; + + if (!buffer_handle) { + nv_crtc->cursor.hide(nv_crtc, true); + return 0; + } + + if (width != 64 || height != 64) + return -EINVAL; + + gem = drm_gem_object_lookup(dev, file_priv, buffer_handle); + if (!gem) + return -ENOENT; + cursor = nouveau_gem_object(gem); + + ret = nouveau_bo_map(cursor); + if (ret) + goto out; + + /* The simple will do for now. */ + for (i = 0; i < 64 * 64; i++) + nouveau_bo_wr32(nv_crtc->cursor.nvbo, i, nouveau_bo_rd32(cursor, i)); + + nouveau_bo_unmap(cursor); + + nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset); + nv_crtc->cursor.show(nv_crtc, true); + +out: + drm_gem_object_unreference_unlocked(gem); + return ret; +} + +int +nv50_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) +{ + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + + nv_crtc->cursor.set_pos(nv_crtc, x, y); + return 0; +} + +static void +nv50_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, + uint32_t start, uint32_t size) +{ + int end = (start + size > 256) ? 256 : start + size, i; + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + + for (i = start; i < end; i++) { + nv_crtc->lut.r[i] = r[i]; + nv_crtc->lut.g[i] = g[i]; + nv_crtc->lut.b[i] = b[i]; + } + + /* We need to know the depth before we upload, but it's possible to + * get called before a framebuffer is bound. If this is the case, + * mark the lut values as dirty by setting depth==0, and it'll be + * uploaded on the first mode_set_base() + */ + if (!nv_crtc->base.fb) { + nv_crtc->lut.depth = 0; + return; + } + + nv50_crtc_lut_load(crtc); +} + +static void +nv50_crtc_save(struct drm_crtc *crtc) +{ + NV_ERROR(crtc->dev, "!!\n"); +} + +static void +nv50_crtc_restore(struct drm_crtc *crtc) +{ + NV_ERROR(crtc->dev, "!!\n"); +} + +static const struct drm_crtc_funcs nv50_crtc_funcs = { + .save = nv50_crtc_save, + .restore = nv50_crtc_restore, + .cursor_set = nv50_crtc_cursor_set, + .cursor_move = nv50_crtc_cursor_move, + .gamma_set = nv50_crtc_gamma_set, + .set_config = drm_crtc_helper_set_config, + .page_flip = nouveau_crtc_page_flip, + .destroy = nv50_crtc_destroy, +}; + +static void +nv50_crtc_dpms(struct drm_crtc *crtc, int mode) +{ +} + +static void +nv50_crtc_prepare(struct drm_crtc *crtc) +{ + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + struct drm_device *dev = crtc->dev; + + NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index); + + nv50_display_flip_stop(crtc); + drm_vblank_pre_modeset(dev, nv_crtc->index); + nv50_crtc_blank(nv_crtc, true); +} + +static void +nv50_crtc_commit(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + + NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index); + + nv50_crtc_blank(nv_crtc, false); + drm_vblank_post_modeset(dev, nv_crtc->index); + nv50_display_sync(dev); + nv50_display_flip_next(crtc, crtc->fb, NULL); +} + +static bool +nv50_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +static int +nv50_crtc_do_mode_set_base(struct drm_crtc *crtc, + struct drm_framebuffer *passed_fb, + int x, int y, bool atomic) +{ + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + struct drm_device *dev = nv_crtc->base.dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_channel *evo = nv50_display(dev)->master; + struct drm_framebuffer *drm_fb; + struct nouveau_framebuffer *fb; + int ret; + + NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index); + + /* no fb bound */ + if (!atomic && !crtc->fb) { + NV_DEBUG_KMS(dev, "No FB bound\n"); + return 0; + } + + /* If atomic, we want to switch to the fb we were passed, so + * now we update pointers to do that. (We don't pin; just + * assume we're already pinned and update the base address.) + */ + if (atomic) { + drm_fb = passed_fb; + fb = nouveau_framebuffer(passed_fb); + } else { + drm_fb = crtc->fb; + fb = nouveau_framebuffer(crtc->fb); + /* If not atomic, we can go ahead and pin, and unpin the + * old fb we were passed. + */ + ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM); + if (ret) + return ret; + + if (passed_fb) { + struct nouveau_framebuffer *ofb = nouveau_framebuffer(passed_fb); + nouveau_bo_unpin(ofb->nvbo); + } + } + + nv_crtc->fb.offset = fb->nvbo->bo.offset; + nv_crtc->fb.tile_flags = nouveau_bo_tile_layout(fb->nvbo); + nv_crtc->fb.cpp = drm_fb->bits_per_pixel / 8; + if (!nv_crtc->fb.blanked && dev_priv->chipset != 0x50) { + ret = RING_SPACE(evo, 2); + if (ret) + return ret; + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, FB_DMA), 1); + OUT_RING (evo, fb->r_dma); + } + + ret = RING_SPACE(evo, 12); + if (ret) + return ret; + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, FB_OFFSET), 5); + OUT_RING (evo, nv_crtc->fb.offset >> 8); + OUT_RING (evo, 0); + OUT_RING (evo, (drm_fb->height << 16) | drm_fb->width); + OUT_RING (evo, fb->r_pitch); + OUT_RING (evo, fb->r_format); + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CLUT_MODE), 1); + OUT_RING (evo, fb->base.depth == 8 ? + NV50_EVO_CRTC_CLUT_MODE_OFF : NV50_EVO_CRTC_CLUT_MODE_ON); + + BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, FB_POS), 1); + OUT_RING (evo, (y << 16) | x); + + if (nv_crtc->lut.depth != fb->base.depth) { + nv_crtc->lut.depth = fb->base.depth; + nv50_crtc_lut_load(crtc); + } + + return 0; +} + +static int +nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode, + struct drm_display_mode *mode, int x, int y, + struct drm_framebuffer *old_fb) +{ + struct drm_device *dev = crtc->dev; + struct nouveau_channel *evo = nv50_display(dev)->master; + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + u32 head = nv_crtc->index * 0x400; + u32 ilace = (mode->flags & DRM_MODE_FLAG_INTERLACE) ? 2 : 1; + u32 vscan = (mode->flags & DRM_MODE_FLAG_DBLSCAN) ? 2 : 1; + u32 hactive, hsynce, hbackp, hfrontp, hblanke, hblanks; + u32 vactive, vsynce, vbackp, vfrontp, vblanke, vblanks; + u32 vblan2e = 0, vblan2s = 1; + int ret; + + /* hw timing description looks like this: + * + * <sync> <back porch> <---------display---------> <front porch> + * ______ + * |____________|---------------------------|____________| + * + * ^ synce ^ blanke ^ blanks ^ active + * + * interlaced modes also have 2 additional values pointing at the end + * and start of the next field's blanking period. + */ + + hactive = mode->htotal; + hsynce = mode->hsync_end - mode->hsync_start - 1; + hbackp = mode->htotal - mode->hsync_end; + hblanke = hsynce + hbackp; + hfrontp = mode->hsync_start - mode->hdisplay; + hblanks = mode->htotal - hfrontp - 1; + + vactive = mode->vtotal * vscan / ilace; + vsynce = ((mode->vsync_end - mode->vsync_start) * vscan / ilace) - 1; + vbackp = (mode->vtotal - mode->vsync_end) * vscan / ilace; + vblanke = vsynce + vbackp; + vfrontp = (mode->vsync_start - mode->vdisplay) * vscan / ilace; + vblanks = vactive - vfrontp - 1; + if (mode->flags & DRM_MODE_FLAG_INTERLACE) { + vblan2e = vactive + vsynce + vbackp; + vblan2s = vblan2e + (mode->vdisplay * vscan / ilace); + vactive = (vactive * 2) + 1; + } + + ret = RING_SPACE(evo, 18); + if (ret == 0) { + BEGIN_RING(evo, 0, 0x0804 + head, 2); + OUT_RING (evo, 0x00800000 | mode->clock); + OUT_RING (evo, (ilace == 2) ? 2 : 0); + BEGIN_RING(evo, 0, 0x0810 + head, 6); + OUT_RING (evo, 0x00000000); /* border colour */ + OUT_RING (evo, (vactive << 16) | hactive); + OUT_RING (evo, ( vsynce << 16) | hsynce); + OUT_RING (evo, (vblanke << 16) | hblanke); + OUT_RING (evo, (vblanks << 16) | hblanks); + OUT_RING (evo, (vblan2e << 16) | vblan2s); + BEGIN_RING(evo, 0, 0x082c + head, 1); + OUT_RING (evo, 0x00000000); + BEGIN_RING(evo, 0, 0x0900 + head, 1); + OUT_RING (evo, 0x00000311); /* makes sync channel work */ + BEGIN_RING(evo, 0, 0x08c8 + head, 1); + OUT_RING (evo, (umode->vdisplay << 16) | umode->hdisplay); + BEGIN_RING(evo, 0, 0x08d4 + head, 1); + OUT_RING (evo, 0x00000000); /* screen position */ + } + + nv_crtc->set_dither(nv_crtc, false); + nv_crtc->set_scale(nv_crtc, false); + nv_crtc->set_color_vibrance(nv_crtc, false); + + return nv50_crtc_do_mode_set_base(crtc, old_fb, x, y, false); +} + +static int +nv50_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, + struct drm_framebuffer *old_fb) +{ + int ret; + + nv50_display_flip_stop(crtc); + ret = nv50_crtc_do_mode_set_base(crtc, old_fb, x, y, false); + if (ret) + return ret; + + ret = nv50_display_sync(crtc->dev); + if (ret) + return ret; + + return nv50_display_flip_next(crtc, crtc->fb, NULL); +} + +static int +nv50_crtc_mode_set_base_atomic(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + int x, int y, enum mode_set_atomic state) +{ + int ret; + + nv50_display_flip_stop(crtc); + ret = nv50_crtc_do_mode_set_base(crtc, fb, x, y, true); + if (ret) + return ret; + + return nv50_display_sync(crtc->dev); +} + +static const struct drm_crtc_helper_funcs nv50_crtc_helper_funcs = { + .dpms = nv50_crtc_dpms, + .prepare = nv50_crtc_prepare, + .commit = nv50_crtc_commit, + .mode_fixup = nv50_crtc_mode_fixup, + .mode_set = nv50_crtc_mode_set, + .mode_set_base = nv50_crtc_mode_set_base, + .mode_set_base_atomic = nv50_crtc_mode_set_base_atomic, + .load_lut = nv50_crtc_lut_load, +}; + +int +nv50_crtc_create(struct drm_device *dev, int index) +{ + struct nouveau_crtc *nv_crtc = NULL; + int ret, i; + + NV_DEBUG_KMS(dev, "\n"); + + nv_crtc = kzalloc(sizeof(*nv_crtc), GFP_KERNEL); + if (!nv_crtc) + return -ENOMEM; + + nv_crtc->color_vibrance = 50; + nv_crtc->vibrant_hue = 0; + + /* Default CLUT parameters, will be activated on the hw upon + * first mode set. + */ + for (i = 0; i < 256; i++) { + nv_crtc->lut.r[i] = i << 8; + nv_crtc->lut.g[i] = i << 8; + nv_crtc->lut.b[i] = i << 8; + } + nv_crtc->lut.depth = 0; + + ret = nouveau_bo_new(dev, 4096, 0x100, TTM_PL_FLAG_VRAM, + 0, 0x0000, &nv_crtc->lut.nvbo); + if (!ret) { + ret = nouveau_bo_pin(nv_crtc->lut.nvbo, TTM_PL_FLAG_VRAM); + if (!ret) + ret = nouveau_bo_map(nv_crtc->lut.nvbo); + if (ret) + nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo); + } + + if (ret) { + kfree(nv_crtc); + return ret; + } + + nv_crtc->index = index; + + /* set function pointers */ + nv_crtc->set_dither = nv50_crtc_set_dither; + nv_crtc->set_scale = nv50_crtc_set_scale; + nv_crtc->set_color_vibrance = nv50_crtc_set_color_vibrance; + + drm_crtc_init(dev, &nv_crtc->base, &nv50_crtc_funcs); + drm_crtc_helper_add(&nv_crtc->base, &nv50_crtc_helper_funcs); + drm_mode_crtc_set_gamma_size(&nv_crtc->base, 256); + + ret = nouveau_bo_new(dev, 64*64*4, 0x100, TTM_PL_FLAG_VRAM, + 0, 0x0000, &nv_crtc->cursor.nvbo); + if (!ret) { + ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM); + if (!ret) + ret = nouveau_bo_map(nv_crtc->cursor.nvbo); + if (ret) + nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo); + } + + nv50_cursor_init(nv_crtc); + return 0; +} |