diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_display.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 1589 |
1 files changed, 1589 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c new file mode 100644 index 00000000..0a1d4bd6 --- /dev/null +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -0,0 +1,1589 @@ +/* + * Copyright 2007-8 Advanced Micro Devices, Inc. + * Copyright 2008 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: Dave Airlie + * Alex Deucher + */ +#include "drmP.h" +#include "radeon_drm.h" +#include "radeon.h" + +#include "atom.h" +#include <asm/div64.h> + +#include "drm_crtc_helper.h" +#include "drm_edid.h" + +static void avivo_crtc_load_lut(struct drm_crtc *crtc) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + int i; + + DRM_DEBUG_KMS("%d\n", radeon_crtc->crtc_id); + WREG32(AVIVO_DC_LUTA_CONTROL + radeon_crtc->crtc_offset, 0); + + WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0); + WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0); + WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0); + + WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0xffff); + WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff); + WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff); + + WREG32(AVIVO_DC_LUT_RW_SELECT, radeon_crtc->crtc_id); + WREG32(AVIVO_DC_LUT_RW_MODE, 0); + WREG32(AVIVO_DC_LUT_WRITE_EN_MASK, 0x0000003f); + + WREG8(AVIVO_DC_LUT_RW_INDEX, 0); + for (i = 0; i < 256; i++) { + WREG32(AVIVO_DC_LUT_30_COLOR, + (radeon_crtc->lut_r[i] << 20) | + (radeon_crtc->lut_g[i] << 10) | + (radeon_crtc->lut_b[i] << 0)); + } + + WREG32(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, radeon_crtc->crtc_id); +} + +static void dce4_crtc_load_lut(struct drm_crtc *crtc) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + int i; + + DRM_DEBUG_KMS("%d\n", radeon_crtc->crtc_id); + WREG32(EVERGREEN_DC_LUT_CONTROL + radeon_crtc->crtc_offset, 0); + + WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0); + WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0); + WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0); + + WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0xffff); + WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff); + WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff); + + WREG32(EVERGREEN_DC_LUT_RW_MODE + radeon_crtc->crtc_offset, 0); + WREG32(EVERGREEN_DC_LUT_WRITE_EN_MASK + radeon_crtc->crtc_offset, 0x00000007); + + WREG32(EVERGREEN_DC_LUT_RW_INDEX + radeon_crtc->crtc_offset, 0); + for (i = 0; i < 256; i++) { + WREG32(EVERGREEN_DC_LUT_30_COLOR + radeon_crtc->crtc_offset, + (radeon_crtc->lut_r[i] << 20) | + (radeon_crtc->lut_g[i] << 10) | + (radeon_crtc->lut_b[i] << 0)); + } +} + +static void dce5_crtc_load_lut(struct drm_crtc *crtc) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + int i; + + DRM_DEBUG_KMS("%d\n", radeon_crtc->crtc_id); + + WREG32(NI_INPUT_CSC_CONTROL + radeon_crtc->crtc_offset, + (NI_INPUT_CSC_GRPH_MODE(NI_INPUT_CSC_BYPASS) | + NI_INPUT_CSC_OVL_MODE(NI_INPUT_CSC_BYPASS))); + WREG32(NI_PRESCALE_GRPH_CONTROL + radeon_crtc->crtc_offset, + NI_GRPH_PRESCALE_BYPASS); + WREG32(NI_PRESCALE_OVL_CONTROL + radeon_crtc->crtc_offset, + NI_OVL_PRESCALE_BYPASS); + WREG32(NI_INPUT_GAMMA_CONTROL + radeon_crtc->crtc_offset, + (NI_GRPH_INPUT_GAMMA_MODE(NI_INPUT_GAMMA_USE_LUT) | + NI_OVL_INPUT_GAMMA_MODE(NI_INPUT_GAMMA_USE_LUT))); + + WREG32(EVERGREEN_DC_LUT_CONTROL + radeon_crtc->crtc_offset, 0); + + WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0); + WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0); + WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0); + + WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0xffff); + WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff); + WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff); + + WREG32(EVERGREEN_DC_LUT_RW_MODE + radeon_crtc->crtc_offset, 0); + WREG32(EVERGREEN_DC_LUT_WRITE_EN_MASK + radeon_crtc->crtc_offset, 0x00000007); + + WREG32(EVERGREEN_DC_LUT_RW_INDEX + radeon_crtc->crtc_offset, 0); + for (i = 0; i < 256; i++) { + WREG32(EVERGREEN_DC_LUT_30_COLOR + radeon_crtc->crtc_offset, + (radeon_crtc->lut_r[i] << 20) | + (radeon_crtc->lut_g[i] << 10) | + (radeon_crtc->lut_b[i] << 0)); + } + + WREG32(NI_DEGAMMA_CONTROL + radeon_crtc->crtc_offset, + (NI_GRPH_DEGAMMA_MODE(NI_DEGAMMA_BYPASS) | + NI_OVL_DEGAMMA_MODE(NI_DEGAMMA_BYPASS) | + NI_ICON_DEGAMMA_MODE(NI_DEGAMMA_BYPASS) | + NI_CURSOR_DEGAMMA_MODE(NI_DEGAMMA_BYPASS))); + WREG32(NI_GAMUT_REMAP_CONTROL + radeon_crtc->crtc_offset, + (NI_GRPH_GAMUT_REMAP_MODE(NI_GAMUT_REMAP_BYPASS) | + NI_OVL_GAMUT_REMAP_MODE(NI_GAMUT_REMAP_BYPASS))); + WREG32(NI_REGAMMA_CONTROL + radeon_crtc->crtc_offset, + (NI_GRPH_REGAMMA_MODE(NI_REGAMMA_BYPASS) | + NI_OVL_REGAMMA_MODE(NI_REGAMMA_BYPASS))); + WREG32(NI_OUTPUT_CSC_CONTROL + radeon_crtc->crtc_offset, + (NI_OUTPUT_CSC_GRPH_MODE(NI_OUTPUT_CSC_BYPASS) | + NI_OUTPUT_CSC_OVL_MODE(NI_OUTPUT_CSC_BYPASS))); + /* XXX match this to the depth of the crtc fmt block, move to modeset? */ + WREG32(0x6940 + radeon_crtc->crtc_offset, 0); + +} + +static void legacy_crtc_load_lut(struct drm_crtc *crtc) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + int i; + uint32_t dac2_cntl; + + dac2_cntl = RREG32(RADEON_DAC_CNTL2); + if (radeon_crtc->crtc_id == 0) + dac2_cntl &= (uint32_t)~RADEON_DAC2_PALETTE_ACC_CTL; + else + dac2_cntl |= RADEON_DAC2_PALETTE_ACC_CTL; + WREG32(RADEON_DAC_CNTL2, dac2_cntl); + + WREG8(RADEON_PALETTE_INDEX, 0); + for (i = 0; i < 256; i++) { + WREG32(RADEON_PALETTE_30_DATA, + (radeon_crtc->lut_r[i] << 20) | + (radeon_crtc->lut_g[i] << 10) | + (radeon_crtc->lut_b[i] << 0)); + } +} + +void radeon_crtc_load_lut(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + + if (!crtc->enabled) + return; + + if (ASIC_IS_DCE5(rdev)) + dce5_crtc_load_lut(crtc); + else if (ASIC_IS_DCE4(rdev)) + dce4_crtc_load_lut(crtc); + else if (ASIC_IS_AVIVO(rdev)) + avivo_crtc_load_lut(crtc); + else + legacy_crtc_load_lut(crtc); +} + +/** Sets the color ramps on behalf of fbcon */ +void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, + u16 blue, int regno) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + + radeon_crtc->lut_r[regno] = red >> 6; + radeon_crtc->lut_g[regno] = green >> 6; + radeon_crtc->lut_b[regno] = blue >> 6; +} + +/** Gets the color ramps on behalf of fbcon */ +void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, int regno) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + + *red = radeon_crtc->lut_r[regno] << 6; + *green = radeon_crtc->lut_g[regno] << 6; + *blue = radeon_crtc->lut_b[regno] << 6; +} + +static void radeon_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, uint32_t start, uint32_t size) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + int end = (start + size > 256) ? 256 : start + size, i; + + /* userspace palettes are always correct as is */ + for (i = start; i < end; i++) { + radeon_crtc->lut_r[i] = red[i] >> 6; + radeon_crtc->lut_g[i] = green[i] >> 6; + radeon_crtc->lut_b[i] = blue[i] >> 6; + } + radeon_crtc_load_lut(crtc); +} + +static void radeon_crtc_destroy(struct drm_crtc *crtc) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + + drm_crtc_cleanup(crtc); + kfree(radeon_crtc); +} + +/* + * Handle unpin events outside the interrupt handler proper. + */ +static void radeon_unpin_work_func(struct work_struct *__work) +{ + struct radeon_unpin_work *work = + container_of(__work, struct radeon_unpin_work, work); + int r; + + /* unpin of the old buffer */ + r = radeon_bo_reserve(work->old_rbo, false); + if (likely(r == 0)) { + r = radeon_bo_unpin(work->old_rbo); + if (unlikely(r != 0)) { + DRM_ERROR("failed to unpin buffer after flip\n"); + } + radeon_bo_unreserve(work->old_rbo); + } else + DRM_ERROR("failed to reserve buffer after flip\n"); + + drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base); + kfree(work); +} + +void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id) +{ + struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; + struct radeon_unpin_work *work; + struct drm_pending_vblank_event *e; + struct timeval now; + unsigned long flags; + u32 update_pending; + int vpos, hpos; + + spin_lock_irqsave(&rdev->ddev->event_lock, flags); + work = radeon_crtc->unpin_work; + if (work == NULL || + (work->fence && !radeon_fence_signaled(work->fence))) { + spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); + return; + } + /* New pageflip, or just completion of a previous one? */ + if (!radeon_crtc->deferred_flip_completion) { + /* do the flip (mmio) */ + update_pending = radeon_page_flip(rdev, crtc_id, work->new_crtc_base); + } else { + /* This is just a completion of a flip queued in crtc + * at last invocation. Make sure we go directly to + * completion routine. + */ + update_pending = 0; + radeon_crtc->deferred_flip_completion = 0; + } + + /* Has the pageflip already completed in crtc, or is it certain + * to complete in this vblank? + */ + if (update_pending && + (DRM_SCANOUTPOS_VALID & radeon_get_crtc_scanoutpos(rdev->ddev, crtc_id, + &vpos, &hpos)) && + ((vpos >= (99 * rdev->mode_info.crtcs[crtc_id]->base.hwmode.crtc_vdisplay)/100) || + (vpos < 0 && !ASIC_IS_AVIVO(rdev)))) { + /* crtc didn't flip in this target vblank interval, + * but flip is pending in crtc. Based on the current + * scanout position we know that the current frame is + * (nearly) complete and the flip will (likely) + * complete before the start of the next frame. + */ + update_pending = 0; + } + if (update_pending) { + /* crtc didn't flip in this target vblank interval, + * but flip is pending in crtc. It will complete it + * in next vblank interval, so complete the flip at + * next vblank irq. + */ + radeon_crtc->deferred_flip_completion = 1; + spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); + return; + } + + /* Pageflip (will be) certainly completed in this vblank. Clean up. */ + radeon_crtc->unpin_work = NULL; + + /* wakeup userspace */ + if (work->event) { + e = work->event; + e->event.sequence = drm_vblank_count_and_time(rdev->ddev, crtc_id, &now); + e->event.tv_sec = now.tv_sec; + e->event.tv_usec = now.tv_usec; + list_add_tail(&e->base.link, &e->base.file_priv->event_list); + wake_up_interruptible(&e->base.file_priv->event_wait); + } + spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); + + drm_vblank_put(rdev->ddev, radeon_crtc->crtc_id); + radeon_fence_unref(&work->fence); + radeon_post_page_flip(work->rdev, work->crtc_id); + schedule_work(&work->work); +} + +static int radeon_crtc_page_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event) +{ + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct radeon_framebuffer *old_radeon_fb; + struct radeon_framebuffer *new_radeon_fb; + struct drm_gem_object *obj; + struct radeon_bo *rbo; + struct radeon_unpin_work *work; + unsigned long flags; + u32 tiling_flags, pitch_pixels; + u64 base; + int r; + + work = kzalloc(sizeof *work, GFP_KERNEL); + if (work == NULL) + return -ENOMEM; + + work->event = event; + work->rdev = rdev; + work->crtc_id = radeon_crtc->crtc_id; + old_radeon_fb = to_radeon_framebuffer(crtc->fb); + new_radeon_fb = to_radeon_framebuffer(fb); + /* schedule unpin of the old buffer */ + obj = old_radeon_fb->obj; + /* take a reference to the old object */ + drm_gem_object_reference(obj); + rbo = gem_to_radeon_bo(obj); + work->old_rbo = rbo; + obj = new_radeon_fb->obj; + rbo = gem_to_radeon_bo(obj); + if (rbo->tbo.sync_obj) + work->fence = radeon_fence_ref(rbo->tbo.sync_obj); + INIT_WORK(&work->work, radeon_unpin_work_func); + + /* We borrow the event spin lock for protecting unpin_work */ + spin_lock_irqsave(&dev->event_lock, flags); + if (radeon_crtc->unpin_work) { + DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); + r = -EBUSY; + goto unlock_free; + } + radeon_crtc->unpin_work = work; + radeon_crtc->deferred_flip_completion = 0; + spin_unlock_irqrestore(&dev->event_lock, flags); + + /* pin the new buffer */ + DRM_DEBUG_DRIVER("flip-ioctl() cur_fbo = %p, cur_bbo = %p\n", + work->old_rbo, rbo); + + r = radeon_bo_reserve(rbo, false); + if (unlikely(r != 0)) { + DRM_ERROR("failed to reserve new rbo buffer before flip\n"); + goto pflip_cleanup; + } + /* Only 27 bit offset for legacy CRTC */ + r = radeon_bo_pin_restricted(rbo, RADEON_GEM_DOMAIN_VRAM, + ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27, &base); + if (unlikely(r != 0)) { + radeon_bo_unreserve(rbo); + r = -EINVAL; + DRM_ERROR("failed to pin new rbo buffer before flip\n"); + goto pflip_cleanup; + } + radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); + radeon_bo_unreserve(rbo); + + if (!ASIC_IS_AVIVO(rdev)) { + /* crtc offset is from display base addr not FB location */ + base -= radeon_crtc->legacy_display_base_addr; + pitch_pixels = fb->pitches[0] / (fb->bits_per_pixel / 8); + + if (tiling_flags & RADEON_TILING_MACRO) { + if (ASIC_IS_R300(rdev)) { + base &= ~0x7ff; + } else { + int byteshift = fb->bits_per_pixel >> 4; + int tile_addr = (((crtc->y >> 3) * pitch_pixels + crtc->x) >> (8 - byteshift)) << 11; + base += tile_addr + ((crtc->x << byteshift) % 256) + ((crtc->y % 8) << 8); + } + } else { + int offset = crtc->y * pitch_pixels + crtc->x; + switch (fb->bits_per_pixel) { + case 8: + default: + offset *= 1; + break; + case 15: + case 16: + offset *= 2; + break; + case 24: + offset *= 3; + break; + case 32: + offset *= 4; + break; + } + base += offset; + } + base &= ~7; + } + + spin_lock_irqsave(&dev->event_lock, flags); + work->new_crtc_base = base; + spin_unlock_irqrestore(&dev->event_lock, flags); + + /* update crtc fb */ + crtc->fb = fb; + + r = drm_vblank_get(dev, radeon_crtc->crtc_id); + if (r) { + DRM_ERROR("failed to get vblank before flip\n"); + goto pflip_cleanup1; + } + + /* set the proper interrupt */ + radeon_pre_page_flip(rdev, radeon_crtc->crtc_id); + + return 0; + +pflip_cleanup1: + if (unlikely(radeon_bo_reserve(rbo, false) != 0)) { + DRM_ERROR("failed to reserve new rbo in error path\n"); + goto pflip_cleanup; + } + if (unlikely(radeon_bo_unpin(rbo) != 0)) { + DRM_ERROR("failed to unpin new rbo in error path\n"); + } + radeon_bo_unreserve(rbo); + +pflip_cleanup: + spin_lock_irqsave(&dev->event_lock, flags); + radeon_crtc->unpin_work = NULL; +unlock_free: + spin_unlock_irqrestore(&dev->event_lock, flags); + drm_gem_object_unreference_unlocked(old_radeon_fb->obj); + radeon_fence_unref(&work->fence); + kfree(work); + + return r; +} + +static const struct drm_crtc_funcs radeon_crtc_funcs = { + .cursor_set = radeon_crtc_cursor_set, + .cursor_move = radeon_crtc_cursor_move, + .gamma_set = radeon_crtc_gamma_set, + .set_config = drm_crtc_helper_set_config, + .destroy = radeon_crtc_destroy, + .page_flip = radeon_crtc_page_flip, +}; + +static void radeon_crtc_init(struct drm_device *dev, int index) +{ + struct radeon_device *rdev = dev->dev_private; + struct radeon_crtc *radeon_crtc; + int i; + + radeon_crtc = kzalloc(sizeof(struct radeon_crtc) + (RADEONFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); + if (radeon_crtc == NULL) + return; + + drm_crtc_init(dev, &radeon_crtc->base, &radeon_crtc_funcs); + + drm_mode_crtc_set_gamma_size(&radeon_crtc->base, 256); + radeon_crtc->crtc_id = index; + rdev->mode_info.crtcs[index] = radeon_crtc; + +#if 0 + radeon_crtc->mode_set.crtc = &radeon_crtc->base; + radeon_crtc->mode_set.connectors = (struct drm_connector **)(radeon_crtc + 1); + radeon_crtc->mode_set.num_connectors = 0; +#endif + + for (i = 0; i < 256; i++) { + radeon_crtc->lut_r[i] = i << 2; + radeon_crtc->lut_g[i] = i << 2; + radeon_crtc->lut_b[i] = i << 2; + } + + if (rdev->is_atom_bios && (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom)) + radeon_atombios_init_crtc(dev, radeon_crtc); + else + radeon_legacy_init_crtc(dev, radeon_crtc); +} + +static const char *encoder_names[37] = { + "NONE", + "INTERNAL_LVDS", + "INTERNAL_TMDS1", + "INTERNAL_TMDS2", + "INTERNAL_DAC1", + "INTERNAL_DAC2", + "INTERNAL_SDVOA", + "INTERNAL_SDVOB", + "SI170B", + "CH7303", + "CH7301", + "INTERNAL_DVO1", + "EXTERNAL_SDVOA", + "EXTERNAL_SDVOB", + "TITFP513", + "INTERNAL_LVTM1", + "VT1623", + "HDMI_SI1930", + "HDMI_INTERNAL", + "INTERNAL_KLDSCP_TMDS1", + "INTERNAL_KLDSCP_DVO1", + "INTERNAL_KLDSCP_DAC1", + "INTERNAL_KLDSCP_DAC2", + "SI178", + "MVPU_FPGA", + "INTERNAL_DDI", + "VT1625", + "HDMI_SI1932", + "DP_AN9801", + "DP_DP501", + "INTERNAL_UNIPHY", + "INTERNAL_KLDSCP_LVTMA", + "INTERNAL_UNIPHY1", + "INTERNAL_UNIPHY2", + "NUTMEG", + "TRAVIS", + "INTERNAL_VCE" +}; + +static const char *connector_names[15] = { + "Unknown", + "VGA", + "DVI-I", + "DVI-D", + "DVI-A", + "Composite", + "S-video", + "LVDS", + "Component", + "DIN", + "DisplayPort", + "HDMI-A", + "HDMI-B", + "TV", + "eDP", +}; + +static const char *hpd_names[6] = { + "HPD1", + "HPD2", + "HPD3", + "HPD4", + "HPD5", + "HPD6", +}; + +static void radeon_print_display_setup(struct drm_device *dev) +{ + struct drm_connector *connector; + struct radeon_connector *radeon_connector; + struct drm_encoder *encoder; + struct radeon_encoder *radeon_encoder; + uint32_t devices; + int i = 0; + + DRM_INFO("Radeon Display Connectors\n"); + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + radeon_connector = to_radeon_connector(connector); + DRM_INFO("Connector %d:\n", i); + DRM_INFO(" %s\n", connector_names[connector->connector_type]); + if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) + DRM_INFO(" %s\n", hpd_names[radeon_connector->hpd.hpd]); + if (radeon_connector->ddc_bus) { + DRM_INFO(" DDC: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", + radeon_connector->ddc_bus->rec.mask_clk_reg, + radeon_connector->ddc_bus->rec.mask_data_reg, + radeon_connector->ddc_bus->rec.a_clk_reg, + radeon_connector->ddc_bus->rec.a_data_reg, + radeon_connector->ddc_bus->rec.en_clk_reg, + radeon_connector->ddc_bus->rec.en_data_reg, + radeon_connector->ddc_bus->rec.y_clk_reg, + radeon_connector->ddc_bus->rec.y_data_reg); + if (radeon_connector->router.ddc_valid) + DRM_INFO(" DDC Router 0x%x/0x%x\n", + radeon_connector->router.ddc_mux_control_pin, + radeon_connector->router.ddc_mux_state); + if (radeon_connector->router.cd_valid) + DRM_INFO(" Clock/Data Router 0x%x/0x%x\n", + radeon_connector->router.cd_mux_control_pin, + radeon_connector->router.cd_mux_state); + } else { + if (connector->connector_type == DRM_MODE_CONNECTOR_VGA || + connector->connector_type == DRM_MODE_CONNECTOR_DVII || + connector->connector_type == DRM_MODE_CONNECTOR_DVID || + connector->connector_type == DRM_MODE_CONNECTOR_DVIA || + connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || + connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) + DRM_INFO(" DDC: no ddc bus - possible BIOS bug - please report to xorg-driver-ati@lists.x.org\n"); + } + DRM_INFO(" Encoders:\n"); + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + radeon_encoder = to_radeon_encoder(encoder); + devices = radeon_encoder->devices & radeon_connector->devices; + if (devices) { + if (devices & ATOM_DEVICE_CRT1_SUPPORT) + DRM_INFO(" CRT1: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_CRT2_SUPPORT) + DRM_INFO(" CRT2: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_LCD1_SUPPORT) + DRM_INFO(" LCD1: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP1_SUPPORT) + DRM_INFO(" DFP1: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP2_SUPPORT) + DRM_INFO(" DFP2: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP3_SUPPORT) + DRM_INFO(" DFP3: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP4_SUPPORT) + DRM_INFO(" DFP4: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP5_SUPPORT) + DRM_INFO(" DFP5: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP6_SUPPORT) + DRM_INFO(" DFP6: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_TV1_SUPPORT) + DRM_INFO(" TV1: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_CV_SUPPORT) + DRM_INFO(" CV: %s\n", encoder_names[radeon_encoder->encoder_id]); + } + } + i++; + } +} + +static bool radeon_setup_enc_conn(struct drm_device *dev) +{ + struct radeon_device *rdev = dev->dev_private; + bool ret = false; + + if (rdev->bios) { + if (rdev->is_atom_bios) { + ret = radeon_get_atom_connector_info_from_supported_devices_table(dev); + if (ret == false) + ret = radeon_get_atom_connector_info_from_object_table(dev); + } else { + ret = radeon_get_legacy_connector_info_from_bios(dev); + if (ret == false) + ret = radeon_get_legacy_connector_info_from_table(dev); + } + } else { + if (!ASIC_IS_AVIVO(rdev)) + ret = radeon_get_legacy_connector_info_from_table(dev); + } + if (ret) { + radeon_setup_encoder_clones(dev); + radeon_print_display_setup(dev); + } + + return ret; +} + +int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) +{ + struct drm_device *dev = radeon_connector->base.dev; + struct radeon_device *rdev = dev->dev_private; + int ret = 0; + + /* on hw with routers, select right port */ + if (radeon_connector->router.ddc_valid) + radeon_router_select_ddc_port(radeon_connector); + + if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || + (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) || + (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) != + ENCODER_OBJECT_ID_NONE)) { + struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; + + if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || + dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && dig->dp_i2c_bus) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &dig->dp_i2c_bus->adapter); + else if (radeon_connector->ddc_bus && !radeon_connector->edid) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &radeon_connector->ddc_bus->adapter); + } else { + if (radeon_connector->ddc_bus && !radeon_connector->edid) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &radeon_connector->ddc_bus->adapter); + } + + if (!radeon_connector->edid) { + if (rdev->is_atom_bios) { + /* some laptops provide a hardcoded edid in rom for LCDs */ + if (((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_LVDS) || + (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP))) + radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); + } else + /* some servers provide a hardcoded edid in rom for KVMs */ + radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); + } + if (radeon_connector->edid) { + drm_mode_connector_update_edid_property(&radeon_connector->base, radeon_connector->edid); + ret = drm_add_edid_modes(&radeon_connector->base, radeon_connector->edid); + return ret; + } + drm_mode_connector_update_edid_property(&radeon_connector->base, NULL); + return 0; +} + +/* avivo */ +static void avivo_get_fb_div(struct radeon_pll *pll, + u32 target_clock, + u32 post_div, + u32 ref_div, + u32 *fb_div, + u32 *frac_fb_div) +{ + u32 tmp = post_div * ref_div; + + tmp *= target_clock; + *fb_div = tmp / pll->reference_freq; + *frac_fb_div = tmp % pll->reference_freq; + + if (*fb_div > pll->max_feedback_div) + *fb_div = pll->max_feedback_div; + else if (*fb_div < pll->min_feedback_div) + *fb_div = pll->min_feedback_div; +} + +static u32 avivo_get_post_div(struct radeon_pll *pll, + u32 target_clock) +{ + u32 vco, post_div, tmp; + + if (pll->flags & RADEON_PLL_USE_POST_DIV) + return pll->post_div; + + if (pll->flags & RADEON_PLL_PREFER_MINM_OVER_MAXP) { + if (pll->flags & RADEON_PLL_IS_LCD) + vco = pll->lcd_pll_out_min; + else + vco = pll->pll_out_min; + } else { + if (pll->flags & RADEON_PLL_IS_LCD) + vco = pll->lcd_pll_out_max; + else + vco = pll->pll_out_max; + } + + post_div = vco / target_clock; + tmp = vco % target_clock; + + if (pll->flags & RADEON_PLL_PREFER_MINM_OVER_MAXP) { + if (tmp) + post_div++; + } else { + if (!tmp) + post_div--; + } + + if (post_div > pll->max_post_div) + post_div = pll->max_post_div; + else if (post_div < pll->min_post_div) + post_div = pll->min_post_div; + + return post_div; +} + +#define MAX_TOLERANCE 10 + +void radeon_compute_pll_avivo(struct radeon_pll *pll, + u32 freq, + u32 *dot_clock_p, + u32 *fb_div_p, + u32 *frac_fb_div_p, + u32 *ref_div_p, + u32 *post_div_p) +{ + u32 target_clock = freq / 10; + u32 post_div = avivo_get_post_div(pll, target_clock); + u32 ref_div = pll->min_ref_div; + u32 fb_div = 0, frac_fb_div = 0, tmp; + + if (pll->flags & RADEON_PLL_USE_REF_DIV) + ref_div = pll->reference_div; + + if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) { + avivo_get_fb_div(pll, target_clock, post_div, ref_div, &fb_div, &frac_fb_div); + frac_fb_div = (100 * frac_fb_div) / pll->reference_freq; + if (frac_fb_div >= 5) { + frac_fb_div -= 5; + frac_fb_div = frac_fb_div / 10; + frac_fb_div++; + } + if (frac_fb_div >= 10) { + fb_div++; + frac_fb_div = 0; + } + } else { + while (ref_div <= pll->max_ref_div) { + avivo_get_fb_div(pll, target_clock, post_div, ref_div, + &fb_div, &frac_fb_div); + if (frac_fb_div >= (pll->reference_freq / 2)) + fb_div++; + frac_fb_div = 0; + tmp = (pll->reference_freq * fb_div) / (post_div * ref_div); + tmp = (tmp * 10000) / target_clock; + + if (tmp > (10000 + MAX_TOLERANCE)) + ref_div++; + else if (tmp >= (10000 - MAX_TOLERANCE)) + break; + else + ref_div++; + } + } + + *dot_clock_p = ((pll->reference_freq * fb_div * 10) + (pll->reference_freq * frac_fb_div)) / + (ref_div * post_div * 10); + *fb_div_p = fb_div; + *frac_fb_div_p = frac_fb_div; + *ref_div_p = ref_div; + *post_div_p = post_div; + DRM_DEBUG_KMS("%d, pll dividers - fb: %d.%d ref: %d, post %d\n", + *dot_clock_p, fb_div, frac_fb_div, ref_div, post_div); +} + +/* pre-avivo */ +static inline uint32_t radeon_div(uint64_t n, uint32_t d) +{ + uint64_t mod; + + n += d / 2; + + mod = do_div(n, d); + return n; +} + +void radeon_compute_pll_legacy(struct radeon_pll *pll, + uint64_t freq, + uint32_t *dot_clock_p, + uint32_t *fb_div_p, + uint32_t *frac_fb_div_p, + uint32_t *ref_div_p, + uint32_t *post_div_p) +{ + uint32_t min_ref_div = pll->min_ref_div; + uint32_t max_ref_div = pll->max_ref_div; + uint32_t min_post_div = pll->min_post_div; + uint32_t max_post_div = pll->max_post_div; + uint32_t min_fractional_feed_div = 0; + uint32_t max_fractional_feed_div = 0; + uint32_t best_vco = pll->best_vco; + uint32_t best_post_div = 1; + uint32_t best_ref_div = 1; + uint32_t best_feedback_div = 1; + uint32_t best_frac_feedback_div = 0; + uint32_t best_freq = -1; + uint32_t best_error = 0xffffffff; + uint32_t best_vco_diff = 1; + uint32_t post_div; + u32 pll_out_min, pll_out_max; + + DRM_DEBUG_KMS("PLL freq %llu %u %u\n", freq, pll->min_ref_div, pll->max_ref_div); + freq = freq * 1000; + + if (pll->flags & RADEON_PLL_IS_LCD) { + pll_out_min = pll->lcd_pll_out_min; + pll_out_max = pll->lcd_pll_out_max; + } else { + pll_out_min = pll->pll_out_min; + pll_out_max = pll->pll_out_max; + } + + if (pll_out_min > 64800) + pll_out_min = 64800; + + if (pll->flags & RADEON_PLL_USE_REF_DIV) + min_ref_div = max_ref_div = pll->reference_div; + else { + while (min_ref_div < max_ref_div-1) { + uint32_t mid = (min_ref_div + max_ref_div) / 2; + uint32_t pll_in = pll->reference_freq / mid; + if (pll_in < pll->pll_in_min) + max_ref_div = mid; + else if (pll_in > pll->pll_in_max) + min_ref_div = mid; + else + break; + } + } + + if (pll->flags & RADEON_PLL_USE_POST_DIV) + min_post_div = max_post_div = pll->post_div; + + if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) { + min_fractional_feed_div = pll->min_frac_feedback_div; + max_fractional_feed_div = pll->max_frac_feedback_div; + } + + for (post_div = max_post_div; post_div >= min_post_div; --post_div) { + uint32_t ref_div; + + if ((pll->flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1)) + continue; + + /* legacy radeons only have a few post_divs */ + if (pll->flags & RADEON_PLL_LEGACY) { + if ((post_div == 5) || + (post_div == 7) || + (post_div == 9) || + (post_div == 10) || + (post_div == 11) || + (post_div == 13) || + (post_div == 14) || + (post_div == 15)) + continue; + } + + for (ref_div = min_ref_div; ref_div <= max_ref_div; ++ref_div) { + uint32_t feedback_div, current_freq = 0, error, vco_diff; + uint32_t pll_in = pll->reference_freq / ref_div; + uint32_t min_feed_div = pll->min_feedback_div; + uint32_t max_feed_div = pll->max_feedback_div + 1; + + if (pll_in < pll->pll_in_min || pll_in > pll->pll_in_max) + continue; + + while (min_feed_div < max_feed_div) { + uint32_t vco; + uint32_t min_frac_feed_div = min_fractional_feed_div; + uint32_t max_frac_feed_div = max_fractional_feed_div + 1; + uint32_t frac_feedback_div; + uint64_t tmp; + + feedback_div = (min_feed_div + max_feed_div) / 2; + + tmp = (uint64_t)pll->reference_freq * feedback_div; + vco = radeon_div(tmp, ref_div); + + if (vco < pll_out_min) { + min_feed_div = feedback_div + 1; + continue; + } else if (vco > pll_out_max) { + max_feed_div = feedback_div; + continue; + } + + while (min_frac_feed_div < max_frac_feed_div) { + frac_feedback_div = (min_frac_feed_div + max_frac_feed_div) / 2; + tmp = (uint64_t)pll->reference_freq * 10000 * feedback_div; + tmp += (uint64_t)pll->reference_freq * 1000 * frac_feedback_div; + current_freq = radeon_div(tmp, ref_div * post_div); + + if (pll->flags & RADEON_PLL_PREFER_CLOSEST_LOWER) { + if (freq < current_freq) + error = 0xffffffff; + else + error = freq - current_freq; + } else + error = abs(current_freq - freq); + vco_diff = abs(vco - best_vco); + + if ((best_vco == 0 && error < best_error) || + (best_vco != 0 && + ((best_error > 100 && error < best_error - 100) || + (abs(error - best_error) < 100 && vco_diff < best_vco_diff)))) { + best_post_div = post_div; + best_ref_div = ref_div; + best_feedback_div = feedback_div; + best_frac_feedback_div = frac_feedback_div; + best_freq = current_freq; + best_error = error; + best_vco_diff = vco_diff; + } else if (current_freq == freq) { + if (best_freq == -1) { + best_post_div = post_div; + best_ref_div = ref_div; + best_feedback_div = feedback_div; + best_frac_feedback_div = frac_feedback_div; + best_freq = current_freq; + best_error = error; + best_vco_diff = vco_diff; + } else if (((pll->flags & RADEON_PLL_PREFER_LOW_REF_DIV) && (ref_div < best_ref_div)) || + ((pll->flags & RADEON_PLL_PREFER_HIGH_REF_DIV) && (ref_div > best_ref_div)) || + ((pll->flags & RADEON_PLL_PREFER_LOW_FB_DIV) && (feedback_div < best_feedback_div)) || + ((pll->flags & RADEON_PLL_PREFER_HIGH_FB_DIV) && (feedback_div > best_feedback_div)) || + ((pll->flags & RADEON_PLL_PREFER_LOW_POST_DIV) && (post_div < best_post_div)) || + ((pll->flags & RADEON_PLL_PREFER_HIGH_POST_DIV) && (post_div > best_post_div))) { + best_post_div = post_div; + best_ref_div = ref_div; + best_feedback_div = feedback_div; + best_frac_feedback_div = frac_feedback_div; + best_freq = current_freq; + best_error = error; + best_vco_diff = vco_diff; + } + } + if (current_freq < freq) + min_frac_feed_div = frac_feedback_div + 1; + else + max_frac_feed_div = frac_feedback_div; + } + if (current_freq < freq) + min_feed_div = feedback_div + 1; + else + max_feed_div = feedback_div; + } + } + } + + *dot_clock_p = best_freq / 10000; + *fb_div_p = best_feedback_div; + *frac_fb_div_p = best_frac_feedback_div; + *ref_div_p = best_ref_div; + *post_div_p = best_post_div; + DRM_DEBUG_KMS("%lld %d, pll dividers - fb: %d.%d ref: %d, post %d\n", + (long long)freq, + best_freq / 1000, best_feedback_div, best_frac_feedback_div, + best_ref_div, best_post_div); + +} + +static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb) +{ + struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb); + + if (radeon_fb->obj) { + drm_gem_object_unreference_unlocked(radeon_fb->obj); + } + drm_framebuffer_cleanup(fb); + kfree(radeon_fb); +} + +static int radeon_user_framebuffer_create_handle(struct drm_framebuffer *fb, + struct drm_file *file_priv, + unsigned int *handle) +{ + struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb); + + return drm_gem_handle_create(file_priv, radeon_fb->obj, handle); +} + +static const struct drm_framebuffer_funcs radeon_fb_funcs = { + .destroy = radeon_user_framebuffer_destroy, + .create_handle = radeon_user_framebuffer_create_handle, +}; + +int +radeon_framebuffer_init(struct drm_device *dev, + struct radeon_framebuffer *rfb, + struct drm_mode_fb_cmd2 *mode_cmd, + struct drm_gem_object *obj) +{ + int ret; + rfb->obj = obj; + ret = drm_framebuffer_init(dev, &rfb->base, &radeon_fb_funcs); + if (ret) { + rfb->obj = NULL; + return ret; + } + drm_helper_mode_fill_fb_struct(&rfb->base, mode_cmd); + return 0; +} + +static struct drm_framebuffer * +radeon_user_framebuffer_create(struct drm_device *dev, + struct drm_file *file_priv, + struct drm_mode_fb_cmd2 *mode_cmd) +{ + struct drm_gem_object *obj; + struct radeon_framebuffer *radeon_fb; + int ret; + + obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); + if (obj == NULL) { + dev_err(&dev->pdev->dev, "No GEM object associated to handle 0x%08X, " + "can't create framebuffer\n", mode_cmd->handles[0]); + return ERR_PTR(-ENOENT); + } + + radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL); + if (radeon_fb == NULL) + return ERR_PTR(-ENOMEM); + + ret = radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj); + if (ret) { + kfree(radeon_fb); + drm_gem_object_unreference_unlocked(obj); + return NULL; + } + + return &radeon_fb->base; +} + +static void radeon_output_poll_changed(struct drm_device *dev) +{ + struct radeon_device *rdev = dev->dev_private; + radeon_fb_output_poll_changed(rdev); +} + +static const struct drm_mode_config_funcs radeon_mode_funcs = { + .fb_create = radeon_user_framebuffer_create, + .output_poll_changed = radeon_output_poll_changed +}; + +static struct drm_prop_enum_list radeon_tmds_pll_enum_list[] = +{ { 0, "driver" }, + { 1, "bios" }, +}; + +static struct drm_prop_enum_list radeon_tv_std_enum_list[] = +{ { TV_STD_NTSC, "ntsc" }, + { TV_STD_PAL, "pal" }, + { TV_STD_PAL_M, "pal-m" }, + { TV_STD_PAL_60, "pal-60" }, + { TV_STD_NTSC_J, "ntsc-j" }, + { TV_STD_SCART_PAL, "scart-pal" }, + { TV_STD_PAL_CN, "pal-cn" }, + { TV_STD_SECAM, "secam" }, +}; + +static struct drm_prop_enum_list radeon_underscan_enum_list[] = +{ { UNDERSCAN_OFF, "off" }, + { UNDERSCAN_ON, "on" }, + { UNDERSCAN_AUTO, "auto" }, +}; + +static int radeon_modeset_create_props(struct radeon_device *rdev) +{ + int sz; + + if (rdev->is_atom_bios) { + rdev->mode_info.coherent_mode_property = + drm_property_create_range(rdev->ddev, 0 , "coherent", 0, 1); + if (!rdev->mode_info.coherent_mode_property) + return -ENOMEM; + } + + if (!ASIC_IS_AVIVO(rdev)) { + sz = ARRAY_SIZE(radeon_tmds_pll_enum_list); + rdev->mode_info.tmds_pll_property = + drm_property_create_enum(rdev->ddev, 0, + "tmds_pll", + radeon_tmds_pll_enum_list, sz); + } + + rdev->mode_info.load_detect_property = + drm_property_create_range(rdev->ddev, 0, "load detection", 0, 1); + if (!rdev->mode_info.load_detect_property) + return -ENOMEM; + + drm_mode_create_scaling_mode_property(rdev->ddev); + + sz = ARRAY_SIZE(radeon_tv_std_enum_list); + rdev->mode_info.tv_std_property = + drm_property_create_enum(rdev->ddev, 0, + "tv standard", + radeon_tv_std_enum_list, sz); + + sz = ARRAY_SIZE(radeon_underscan_enum_list); + rdev->mode_info.underscan_property = + drm_property_create_enum(rdev->ddev, 0, + "underscan", + radeon_underscan_enum_list, sz); + + rdev->mode_info.underscan_hborder_property = + drm_property_create_range(rdev->ddev, 0, + "underscan hborder", 0, 128); + if (!rdev->mode_info.underscan_hborder_property) + return -ENOMEM; + + rdev->mode_info.underscan_vborder_property = + drm_property_create_range(rdev->ddev, 0, + "underscan vborder", 0, 128); + if (!rdev->mode_info.underscan_vborder_property) + return -ENOMEM; + + return 0; +} + +void radeon_update_display_priority(struct radeon_device *rdev) +{ + /* adjustment options for the display watermarks */ + if ((radeon_disp_priority == 0) || (radeon_disp_priority > 2)) { + /* set display priority to high for r3xx, rv515 chips + * this avoids flickering due to underflow to the + * display controllers during heavy acceleration. + * Don't force high on rs4xx igp chips as it seems to + * affect the sound card. See kernel bug 15982. + */ + if ((ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV515)) && + !(rdev->flags & RADEON_IS_IGP)) + rdev->disp_priority = 2; + else + rdev->disp_priority = 0; + } else + rdev->disp_priority = radeon_disp_priority; + +} + +int radeon_modeset_init(struct radeon_device *rdev) +{ + int i; + int ret; + + drm_mode_config_init(rdev->ddev); + rdev->mode_info.mode_config_initialized = true; + + rdev->ddev->mode_config.funcs = (void *)&radeon_mode_funcs; + + if (ASIC_IS_DCE5(rdev)) { + rdev->ddev->mode_config.max_width = 16384; + rdev->ddev->mode_config.max_height = 16384; + } else if (ASIC_IS_AVIVO(rdev)) { + rdev->ddev->mode_config.max_width = 8192; + rdev->ddev->mode_config.max_height = 8192; + } else { + rdev->ddev->mode_config.max_width = 4096; + rdev->ddev->mode_config.max_height = 4096; + } + + rdev->ddev->mode_config.preferred_depth = 24; + rdev->ddev->mode_config.prefer_shadow = 1; + + rdev->ddev->mode_config.fb_base = rdev->mc.aper_base; + + ret = radeon_modeset_create_props(rdev); + if (ret) { + return ret; + } + + /* init i2c buses */ + radeon_i2c_init(rdev); + + /* check combios for a valid hardcoded EDID - Sun servers */ + if (!rdev->is_atom_bios) { + /* check for hardcoded EDID in BIOS */ + radeon_combios_check_hardcoded_edid(rdev); + } + + /* allocate crtcs */ + for (i = 0; i < rdev->num_crtc; i++) { + radeon_crtc_init(rdev->ddev, i); + } + + /* okay we should have all the bios connectors */ + ret = radeon_setup_enc_conn(rdev->ddev); + if (!ret) { + return ret; + } + + /* init dig PHYs, disp eng pll */ + if (rdev->is_atom_bios) { + radeon_atom_encoder_init(rdev); + radeon_atom_disp_eng_pll_init(rdev); + } + + /* initialize hpd */ + radeon_hpd_init(rdev); + + /* Initialize power management */ + radeon_pm_init(rdev); + + radeon_fbdev_init(rdev); + drm_kms_helper_poll_init(rdev->ddev); + + return 0; +} + +void radeon_modeset_fini(struct radeon_device *rdev) +{ + radeon_fbdev_fini(rdev); + kfree(rdev->mode_info.bios_hardcoded_edid); + radeon_pm_fini(rdev); + + if (rdev->mode_info.mode_config_initialized) { + drm_kms_helper_poll_fini(rdev->ddev); + radeon_hpd_fini(rdev); + drm_mode_config_cleanup(rdev->ddev); + rdev->mode_info.mode_config_initialized = false; + } + /* free i2c buses */ + radeon_i2c_fini(rdev); +} + +static bool is_hdtv_mode(struct drm_display_mode *mode) +{ + /* try and guess if this is a tv or a monitor */ + if ((mode->vdisplay == 480 && mode->hdisplay == 720) || /* 480p */ + (mode->vdisplay == 576) || /* 576p */ + (mode->vdisplay == 720) || /* 720p */ + (mode->vdisplay == 1080)) /* 1080p */ + return true; + else + return false; +} + +bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + struct drm_encoder *encoder; + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct radeon_encoder *radeon_encoder; + struct drm_connector *connector; + struct radeon_connector *radeon_connector; + bool first = true; + u32 src_v = 1, dst_v = 1; + u32 src_h = 1, dst_h = 1; + + radeon_crtc->h_border = 0; + radeon_crtc->v_border = 0; + + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + if (encoder->crtc != crtc) + continue; + radeon_encoder = to_radeon_encoder(encoder); + connector = radeon_get_connector_for_encoder(encoder); + radeon_connector = to_radeon_connector(connector); + + if (first) { + /* set scaling */ + if (radeon_encoder->rmx_type == RMX_OFF) + radeon_crtc->rmx_type = RMX_OFF; + else if (mode->hdisplay < radeon_encoder->native_mode.hdisplay || + mode->vdisplay < radeon_encoder->native_mode.vdisplay) + radeon_crtc->rmx_type = radeon_encoder->rmx_type; + else + radeon_crtc->rmx_type = RMX_OFF; + /* copy native mode */ + memcpy(&radeon_crtc->native_mode, + &radeon_encoder->native_mode, + sizeof(struct drm_display_mode)); + src_v = crtc->mode.vdisplay; + dst_v = radeon_crtc->native_mode.vdisplay; + src_h = crtc->mode.hdisplay; + dst_h = radeon_crtc->native_mode.hdisplay; + + /* fix up for overscan on hdmi */ + if (ASIC_IS_AVIVO(rdev) && + (!(mode->flags & DRM_MODE_FLAG_INTERLACE)) && + ((radeon_encoder->underscan_type == UNDERSCAN_ON) || + ((radeon_encoder->underscan_type == UNDERSCAN_AUTO) && + drm_detect_hdmi_monitor(radeon_connector->edid) && + is_hdtv_mode(mode)))) { + if (radeon_encoder->underscan_hborder != 0) + radeon_crtc->h_border = radeon_encoder->underscan_hborder; + else + radeon_crtc->h_border = (mode->hdisplay >> 5) + 16; + if (radeon_encoder->underscan_vborder != 0) + radeon_crtc->v_border = radeon_encoder->underscan_vborder; + else + radeon_crtc->v_border = (mode->vdisplay >> 5) + 16; + radeon_crtc->rmx_type = RMX_FULL; + src_v = crtc->mode.vdisplay; + dst_v = crtc->mode.vdisplay - (radeon_crtc->v_border * 2); + src_h = crtc->mode.hdisplay; + dst_h = crtc->mode.hdisplay - (radeon_crtc->h_border * 2); + } + first = false; + } else { + if (radeon_crtc->rmx_type != radeon_encoder->rmx_type) { + /* WARNING: Right now this can't happen but + * in the future we need to check that scaling + * are consistent across different encoder + * (ie all encoder can work with the same + * scaling). + */ + DRM_ERROR("Scaling not consistent across encoder.\n"); + return false; + } + } + } + if (radeon_crtc->rmx_type != RMX_OFF) { + fixed20_12 a, b; + a.full = dfixed_const(src_v); + b.full = dfixed_const(dst_v); + radeon_crtc->vsc.full = dfixed_div(a, b); + a.full = dfixed_const(src_h); + b.full = dfixed_const(dst_h); + radeon_crtc->hsc.full = dfixed_div(a, b); + } else { + radeon_crtc->vsc.full = dfixed_const(1); + radeon_crtc->hsc.full = dfixed_const(1); + } + return true; +} + +/* + * Retrieve current video scanout position of crtc on a given gpu. + * + * \param dev Device to query. + * \param crtc Crtc to query. + * \param *vpos Location where vertical scanout position should be stored. + * \param *hpos Location where horizontal scanout position should go. + * + * Returns vpos as a positive number while in active scanout area. + * Returns vpos as a negative number inside vblank, counting the number + * of scanlines to go until end of vblank, e.g., -1 means "one scanline + * until start of active scanout / end of vblank." + * + * \return Flags, or'ed together as follows: + * + * DRM_SCANOUTPOS_VALID = Query successful. + * DRM_SCANOUTPOS_INVBL = Inside vblank. + * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of + * this flag means that returned position may be offset by a constant but + * unknown small number of scanlines wrt. real scanout position. + * + */ +int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, int *vpos, int *hpos) +{ + u32 stat_crtc = 0, vbl = 0, position = 0; + int vbl_start, vbl_end, vtotal, ret = 0; + bool in_vbl = true; + + struct radeon_device *rdev = dev->dev_private; + + if (ASIC_IS_DCE4(rdev)) { + if (crtc == 0) { + vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + + EVERGREEN_CRTC0_REGISTER_OFFSET); + position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + + EVERGREEN_CRTC0_REGISTER_OFFSET); + ret |= DRM_SCANOUTPOS_VALID; + } + if (crtc == 1) { + vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + + EVERGREEN_CRTC1_REGISTER_OFFSET); + position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + + EVERGREEN_CRTC1_REGISTER_OFFSET); + ret |= DRM_SCANOUTPOS_VALID; + } + if (crtc == 2) { + vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + + EVERGREEN_CRTC2_REGISTER_OFFSET); + position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + + EVERGREEN_CRTC2_REGISTER_OFFSET); + ret |= DRM_SCANOUTPOS_VALID; + } + if (crtc == 3) { + vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + + EVERGREEN_CRTC3_REGISTER_OFFSET); + position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + + EVERGREEN_CRTC3_REGISTER_OFFSET); + ret |= DRM_SCANOUTPOS_VALID; + } + if (crtc == 4) { + vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + + EVERGREEN_CRTC4_REGISTER_OFFSET); + position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + + EVERGREEN_CRTC4_REGISTER_OFFSET); + ret |= DRM_SCANOUTPOS_VALID; + } + if (crtc == 5) { + vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + + EVERGREEN_CRTC5_REGISTER_OFFSET); + position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + + EVERGREEN_CRTC5_REGISTER_OFFSET); + ret |= DRM_SCANOUTPOS_VALID; + } + } else if (ASIC_IS_AVIVO(rdev)) { + if (crtc == 0) { + vbl = RREG32(AVIVO_D1CRTC_V_BLANK_START_END); + position = RREG32(AVIVO_D1CRTC_STATUS_POSITION); + ret |= DRM_SCANOUTPOS_VALID; + } + if (crtc == 1) { + vbl = RREG32(AVIVO_D2CRTC_V_BLANK_START_END); + position = RREG32(AVIVO_D2CRTC_STATUS_POSITION); + ret |= DRM_SCANOUTPOS_VALID; + } + } else { + /* Pre-AVIVO: Different encoding of scanout pos and vblank interval. */ + if (crtc == 0) { + /* Assume vbl_end == 0, get vbl_start from + * upper 16 bits. + */ + vbl = (RREG32(RADEON_CRTC_V_TOTAL_DISP) & + RADEON_CRTC_V_DISP) >> RADEON_CRTC_V_DISP_SHIFT; + /* Only retrieve vpos from upper 16 bits, set hpos == 0. */ + position = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; + stat_crtc = RREG32(RADEON_CRTC_STATUS); + if (!(stat_crtc & 1)) + in_vbl = false; + + ret |= DRM_SCANOUTPOS_VALID; + } + if (crtc == 1) { + vbl = (RREG32(RADEON_CRTC2_V_TOTAL_DISP) & + RADEON_CRTC_V_DISP) >> RADEON_CRTC_V_DISP_SHIFT; + position = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; + stat_crtc = RREG32(RADEON_CRTC2_STATUS); + if (!(stat_crtc & 1)) + in_vbl = false; + + ret |= DRM_SCANOUTPOS_VALID; + } + } + + /* Decode into vertical and horizontal scanout position. */ + *vpos = position & 0x1fff; + *hpos = (position >> 16) & 0x1fff; + + /* Valid vblank area boundaries from gpu retrieved? */ + if (vbl > 0) { + /* Yes: Decode. */ + ret |= DRM_SCANOUTPOS_ACCURATE; + vbl_start = vbl & 0x1fff; + vbl_end = (vbl >> 16) & 0x1fff; + } + else { + /* No: Fake something reasonable which gives at least ok results. */ + vbl_start = rdev->mode_info.crtcs[crtc]->base.hwmode.crtc_vdisplay; + vbl_end = 0; + } + + /* Test scanout position against vblank region. */ + if ((*vpos < vbl_start) && (*vpos >= vbl_end)) + in_vbl = false; + + /* Check if inside vblank area and apply corrective offsets: + * vpos will then be >=0 in video scanout area, but negative + * within vblank area, counting down the number of lines until + * start of scanout. + */ + + /* Inside "upper part" of vblank area? Apply corrective offset if so: */ + if (in_vbl && (*vpos >= vbl_start)) { + vtotal = rdev->mode_info.crtcs[crtc]->base.hwmode.crtc_vtotal; + *vpos = *vpos - vtotal; + } + + /* Correct for shifted end of vbl at vbl_end. */ + *vpos = *vpos - vbl_end; + + /* In vblank? */ + if (in_vbl) + ret |= DRM_SCANOUTPOS_INVBL; + + return ret; +} |