| /* |
| * 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 <drm/drmP.h> |
| #include <drm/radeon_drm.h> |
| #include "radeon.h" |
| |
| static void radeon_lock_cursor(struct drm_crtc *crtc, bool lock) |
| { |
| struct radeon_device *rdev = crtc->dev->dev_private; |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| uint32_t cur_lock; |
| |
| if (ASIC_IS_DCE4(rdev)) { |
| cur_lock = RREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset); |
| if (lock) |
| cur_lock |= EVERGREEN_CURSOR_UPDATE_LOCK; |
| else |
| cur_lock &= ~EVERGREEN_CURSOR_UPDATE_LOCK; |
| WREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset, cur_lock); |
| } else if (ASIC_IS_AVIVO(rdev)) { |
| cur_lock = RREG32(AVIVO_D1CUR_UPDATE + radeon_crtc->crtc_offset); |
| if (lock) |
| cur_lock |= AVIVO_D1CURSOR_UPDATE_LOCK; |
| else |
| cur_lock &= ~AVIVO_D1CURSOR_UPDATE_LOCK; |
| WREG32(AVIVO_D1CUR_UPDATE + radeon_crtc->crtc_offset, cur_lock); |
| } else { |
| cur_lock = RREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset); |
| if (lock) |
| cur_lock |= RADEON_CUR_LOCK; |
| else |
| cur_lock &= ~RADEON_CUR_LOCK; |
| WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, cur_lock); |
| } |
| } |
| |
| static void radeon_hide_cursor(struct drm_crtc *crtc) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct radeon_device *rdev = crtc->dev->dev_private; |
| |
| if (ASIC_IS_DCE4(rdev)) { |
| WREG32_IDX(EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset, |
| EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT) | |
| EVERGREEN_CURSOR_URGENT_CONTROL(EVERGREEN_CURSOR_URGENT_1_2)); |
| } else if (ASIC_IS_AVIVO(rdev)) { |
| WREG32_IDX(AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset, |
| (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT)); |
| } else { |
| u32 reg; |
| switch (radeon_crtc->crtc_id) { |
| case 0: |
| reg = RADEON_CRTC_GEN_CNTL; |
| break; |
| case 1: |
| reg = RADEON_CRTC2_GEN_CNTL; |
| break; |
| default: |
| return; |
| } |
| WREG32_IDX(reg, RREG32_IDX(reg) & ~RADEON_CRTC_CUR_EN); |
| } |
| } |
| |
| static void radeon_show_cursor(struct drm_crtc *crtc) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct radeon_device *rdev = crtc->dev->dev_private; |
| |
| if (ASIC_IS_DCE4(rdev)) { |
| WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset); |
| WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_EN | |
| EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT) | |
| EVERGREEN_CURSOR_URGENT_CONTROL(EVERGREEN_CURSOR_URGENT_1_2)); |
| } else if (ASIC_IS_AVIVO(rdev)) { |
| WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset); |
| WREG32(RADEON_MM_DATA, AVIVO_D1CURSOR_EN | |
| (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT)); |
| } else { |
| switch (radeon_crtc->crtc_id) { |
| case 0: |
| WREG32(RADEON_MM_INDEX, RADEON_CRTC_GEN_CNTL); |
| break; |
| case 1: |
| WREG32(RADEON_MM_INDEX, RADEON_CRTC2_GEN_CNTL); |
| break; |
| default: |
| return; |
| } |
| |
| WREG32_P(RADEON_MM_DATA, (RADEON_CRTC_CUR_EN | |
| (RADEON_CRTC_CUR_MODE_24BPP << RADEON_CRTC_CUR_MODE_SHIFT)), |
| ~(RADEON_CRTC_CUR_EN | RADEON_CRTC_CUR_MODE_MASK)); |
| } |
| } |
| |
| static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y); |
| |
| static void radeon_set_cursor(struct drm_crtc *crtc, struct drm_gem_object *obj, |
| uint64_t gpu_addr, int hot_x, int hot_y) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct radeon_device *rdev = crtc->dev->dev_private; |
| |
| if (ASIC_IS_DCE4(rdev)) { |
| WREG32(EVERGREEN_CUR_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, |
| upper_32_bits(gpu_addr)); |
| WREG32(EVERGREEN_CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset, |
| gpu_addr & 0xffffffff); |
| } else if (ASIC_IS_AVIVO(rdev)) { |
| if (rdev->family >= CHIP_RV770) { |
| if (radeon_crtc->crtc_id) |
| WREG32(R700_D2CUR_SURFACE_ADDRESS_HIGH, upper_32_bits(gpu_addr)); |
| else |
| WREG32(R700_D1CUR_SURFACE_ADDRESS_HIGH, upper_32_bits(gpu_addr)); |
| } |
| WREG32(AVIVO_D1CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset, |
| gpu_addr & 0xffffffff); |
| } else { |
| radeon_crtc->legacy_cursor_offset = gpu_addr - radeon_crtc->legacy_display_base_addr; |
| /* offset is from DISP(2)_BASE_ADDRESS */ |
| WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, radeon_crtc->legacy_cursor_offset); |
| } |
| |
| if (hot_x != radeon_crtc->cursor_hot_x || |
| hot_y != radeon_crtc->cursor_hot_y) { |
| int x, y; |
| |
| x = radeon_crtc->cursor_x + radeon_crtc->cursor_hot_x - hot_x; |
| y = radeon_crtc->cursor_y + radeon_crtc->cursor_hot_y - hot_y; |
| |
| radeon_cursor_move_locked(crtc, x, y); |
| |
| radeon_crtc->cursor_hot_x = hot_x; |
| radeon_crtc->cursor_hot_y = hot_y; |
| } |
| } |
| |
| int radeon_crtc_cursor_set2(struct drm_crtc *crtc, |
| struct drm_file *file_priv, |
| uint32_t handle, |
| uint32_t width, |
| uint32_t height, |
| int32_t hot_x, |
| int32_t hot_y) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct radeon_device *rdev = crtc->dev->dev_private; |
| struct drm_gem_object *obj; |
| struct radeon_bo *robj; |
| uint64_t gpu_addr; |
| int ret; |
| |
| if (!handle) { |
| /* turn off cursor */ |
| radeon_hide_cursor(crtc); |
| obj = NULL; |
| goto unpin; |
| } |
| |
| if ((width > radeon_crtc->max_cursor_width) || |
| (height > radeon_crtc->max_cursor_height)) { |
| DRM_ERROR("bad cursor width or height %d x %d\n", width, height); |
| return -EINVAL; |
| } |
| |
| obj = drm_gem_object_lookup(crtc->dev, file_priv, handle); |
| if (!obj) { |
| DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, radeon_crtc->crtc_id); |
| return -ENOENT; |
| } |
| |
| robj = gem_to_radeon_bo(obj); |
| ret = radeon_bo_reserve(robj, false); |
| if (unlikely(ret != 0)) |
| goto fail; |
| /* Only 27 bit offset for legacy cursor */ |
| ret = radeon_bo_pin_restricted(robj, RADEON_GEM_DOMAIN_VRAM, |
| ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27, |
| &gpu_addr); |
| radeon_bo_unreserve(robj); |
| if (ret) |
| goto fail; |
| |
| radeon_crtc->cursor_width = width; |
| radeon_crtc->cursor_height = height; |
| |
| radeon_lock_cursor(crtc, true); |
| radeon_set_cursor(crtc, obj, gpu_addr, hot_x, hot_y); |
| radeon_show_cursor(crtc); |
| radeon_lock_cursor(crtc, false); |
| |
| unpin: |
| if (radeon_crtc->cursor_bo) { |
| robj = gem_to_radeon_bo(radeon_crtc->cursor_bo); |
| ret = radeon_bo_reserve(robj, false); |
| if (likely(ret == 0)) { |
| radeon_bo_unpin(robj); |
| radeon_bo_unreserve(robj); |
| } |
| drm_gem_object_unreference_unlocked(radeon_crtc->cursor_bo); |
| } |
| |
| radeon_crtc->cursor_bo = obj; |
| return 0; |
| fail: |
| drm_gem_object_unreference_unlocked(obj); |
| |
| return ret; |
| } |
| |
| static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct radeon_device *rdev = crtc->dev->dev_private; |
| int xorigin = 0, yorigin = 0; |
| int w = radeon_crtc->cursor_width; |
| |
| if (ASIC_IS_AVIVO(rdev)) { |
| /* avivo cursor are offset into the total surface */ |
| x += crtc->x; |
| y += crtc->y; |
| } |
| DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); |
| |
| if (x < 0) { |
| xorigin = min(-x, radeon_crtc->max_cursor_width - 1); |
| x = 0; |
| } |
| if (y < 0) { |
| yorigin = min(-y, radeon_crtc->max_cursor_height - 1); |
| y = 0; |
| } |
| |
| /* fixed on DCE6 and newer */ |
| if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE6(rdev)) { |
| int i = 0; |
| struct drm_crtc *crtc_p; |
| |
| /* |
| * avivo cursor image can't end on 128 pixel boundary or |
| * go past the end of the frame if both crtcs are enabled |
| * |
| * NOTE: It is safe to access crtc->enabled of other crtcs |
| * without holding either the mode_config lock or the other |
| * crtc's lock as long as write access to this flag _always_ |
| * grabs all locks. |
| */ |
| list_for_each_entry(crtc_p, &crtc->dev->mode_config.crtc_list, head) { |
| if (crtc_p->enabled) |
| i++; |
| } |
| if (i > 1) { |
| int cursor_end, frame_end; |
| |
| cursor_end = x - xorigin + w; |
| frame_end = crtc->x + crtc->mode.crtc_hdisplay; |
| if (cursor_end >= frame_end) { |
| w = w - (cursor_end - frame_end); |
| if (!(frame_end & 0x7f)) |
| w--; |
| } else { |
| if (!(cursor_end & 0x7f)) |
| w--; |
| } |
| if (w <= 0) { |
| w = 1; |
| cursor_end = x - xorigin + w; |
| if (!(cursor_end & 0x7f)) { |
| x--; |
| WARN_ON_ONCE(x < 0); |
| } |
| } |
| } |
| } |
| |
| if (ASIC_IS_DCE4(rdev)) { |
| WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y); |
| WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin); |
| WREG32(EVERGREEN_CUR_SIZE + radeon_crtc->crtc_offset, |
| ((w - 1) << 16) | (radeon_crtc->cursor_height - 1)); |
| } else if (ASIC_IS_AVIVO(rdev)) { |
| WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y); |
| WREG32(AVIVO_D1CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin); |
| WREG32(AVIVO_D1CUR_SIZE + radeon_crtc->crtc_offset, |
| ((w - 1) << 16) | (radeon_crtc->cursor_height - 1)); |
| } else { |
| if (crtc->mode.flags & DRM_MODE_FLAG_DBLSCAN) |
| y *= 2; |
| |
| WREG32(RADEON_CUR_HORZ_VERT_OFF + radeon_crtc->crtc_offset, |
| (RADEON_CUR_LOCK |
| | (xorigin << 16) |
| | yorigin)); |
| WREG32(RADEON_CUR_HORZ_VERT_POSN + radeon_crtc->crtc_offset, |
| (RADEON_CUR_LOCK |
| | (x << 16) |
| | y)); |
| /* offset is from DISP(2)_BASE_ADDRESS */ |
| WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, (radeon_crtc->legacy_cursor_offset + |
| (yorigin * 256))); |
| } |
| |
| radeon_crtc->cursor_x = x; |
| radeon_crtc->cursor_y = y; |
| |
| return 0; |
| } |
| |
| int radeon_crtc_cursor_move(struct drm_crtc *crtc, |
| int x, int y) |
| { |
| int ret; |
| |
| radeon_lock_cursor(crtc, true); |
| ret = radeon_cursor_move_locked(crtc, x, y); |
| radeon_lock_cursor(crtc, false); |
| |
| return ret; |
| } |