2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
23 * Authors: Dave Airlie
27 #include <drm/radeon_drm.h>
30 static void radeon_lock_cursor(struct drm_crtc *crtc, bool lock)
32 struct radeon_device *rdev = crtc->dev->dev_private;
33 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
36 if (ASIC_IS_DCE4(rdev)) {
37 cur_lock = RREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset);
39 cur_lock |= EVERGREEN_CURSOR_UPDATE_LOCK;
41 cur_lock &= ~EVERGREEN_CURSOR_UPDATE_LOCK;
42 WREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset, cur_lock);
43 } else if (ASIC_IS_AVIVO(rdev)) {
44 cur_lock = RREG32(AVIVO_D1CUR_UPDATE + radeon_crtc->crtc_offset);
46 cur_lock |= AVIVO_D1CURSOR_UPDATE_LOCK;
48 cur_lock &= ~AVIVO_D1CURSOR_UPDATE_LOCK;
49 WREG32(AVIVO_D1CUR_UPDATE + radeon_crtc->crtc_offset, cur_lock);
51 cur_lock = RREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset);
53 cur_lock |= RADEON_CUR_LOCK;
55 cur_lock &= ~RADEON_CUR_LOCK;
56 WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, cur_lock);
60 static void radeon_hide_cursor(struct drm_crtc *crtc)
62 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
63 struct radeon_device *rdev = crtc->dev->dev_private;
65 if (ASIC_IS_DCE4(rdev)) {
66 WREG32_IDX(EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset,
67 EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT) |
68 EVERGREEN_CURSOR_URGENT_CONTROL(EVERGREEN_CURSOR_URGENT_1_2));
69 } else if (ASIC_IS_AVIVO(rdev)) {
70 WREG32_IDX(AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset,
71 (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT));
74 switch (radeon_crtc->crtc_id) {
76 reg = RADEON_CRTC_GEN_CNTL;
79 reg = RADEON_CRTC2_GEN_CNTL;
84 WREG32_IDX(reg, RREG32_IDX(reg) & ~RADEON_CRTC_CUR_EN);
88 static void radeon_show_cursor(struct drm_crtc *crtc)
90 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
91 struct radeon_device *rdev = crtc->dev->dev_private;
93 if (ASIC_IS_DCE4(rdev)) {
94 WREG32(EVERGREEN_CUR_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
95 upper_32_bits(radeon_crtc->cursor_addr));
96 WREG32(EVERGREEN_CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
97 lower_32_bits(radeon_crtc->cursor_addr));
98 WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset);
99 WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_EN |
100 EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT) |
101 EVERGREEN_CURSOR_URGENT_CONTROL(EVERGREEN_CURSOR_URGENT_1_2));
102 } else if (ASIC_IS_AVIVO(rdev)) {
103 if (rdev->family >= CHIP_RV770) {
104 if (radeon_crtc->crtc_id)
105 WREG32(R700_D2CUR_SURFACE_ADDRESS_HIGH,
106 upper_32_bits(radeon_crtc->cursor_addr));
108 WREG32(R700_D1CUR_SURFACE_ADDRESS_HIGH,
109 upper_32_bits(radeon_crtc->cursor_addr));
112 WREG32(AVIVO_D1CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
113 lower_32_bits(radeon_crtc->cursor_addr));
114 WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset);
115 WREG32(RADEON_MM_DATA, AVIVO_D1CURSOR_EN |
116 (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT));
118 /* offset is from DISP(2)_BASE_ADDRESS */
119 WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset,
120 radeon_crtc->cursor_addr - radeon_crtc->legacy_display_base_addr);
122 switch (radeon_crtc->crtc_id) {
124 WREG32(RADEON_MM_INDEX, RADEON_CRTC_GEN_CNTL);
127 WREG32(RADEON_MM_INDEX, RADEON_CRTC2_GEN_CNTL);
133 WREG32_P(RADEON_MM_DATA, (RADEON_CRTC_CUR_EN |
134 (RADEON_CRTC_CUR_MODE_24BPP << RADEON_CRTC_CUR_MODE_SHIFT)),
135 ~(RADEON_CRTC_CUR_EN | RADEON_CRTC_CUR_MODE_MASK));
139 static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y)
141 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
142 struct radeon_device *rdev = crtc->dev->dev_private;
143 int xorigin = 0, yorigin = 0;
144 int w = radeon_crtc->cursor_width;
146 if (ASIC_IS_AVIVO(rdev)) {
147 /* avivo cursor are offset into the total surface */
151 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
154 xorigin = min(-x, radeon_crtc->max_cursor_width - 1);
158 yorigin = min(-y, radeon_crtc->max_cursor_height - 1);
162 /* fixed on DCE6 and newer */
163 if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE6(rdev)) {
165 struct drm_crtc *crtc_p;
168 * avivo cursor image can't end on 128 pixel boundary or
169 * go past the end of the frame if both crtcs are enabled
171 * NOTE: It is safe to access crtc->enabled of other crtcs
172 * without holding either the mode_config lock or the other
173 * crtc's lock as long as write access to this flag _always_
176 list_for_each_entry(crtc_p, &crtc->dev->mode_config.crtc_list, head) {
181 int cursor_end, frame_end;
183 cursor_end = x - xorigin + w;
184 frame_end = crtc->x + crtc->mode.crtc_hdisplay;
185 if (cursor_end >= frame_end) {
186 w = w - (cursor_end - frame_end);
187 if (!(frame_end & 0x7f))
190 if (!(cursor_end & 0x7f))
195 cursor_end = x - xorigin + w;
196 if (!(cursor_end & 0x7f)) {
204 if (ASIC_IS_DCE4(rdev)) {
205 WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
206 WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
207 WREG32(EVERGREEN_CUR_SIZE + radeon_crtc->crtc_offset,
208 ((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
209 } else if (ASIC_IS_AVIVO(rdev)) {
210 WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
211 WREG32(AVIVO_D1CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
212 WREG32(AVIVO_D1CUR_SIZE + radeon_crtc->crtc_offset,
213 ((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
215 if (crtc->mode.flags & DRM_MODE_FLAG_DBLSCAN)
218 WREG32(RADEON_CUR_HORZ_VERT_OFF + radeon_crtc->crtc_offset,
222 WREG32(RADEON_CUR_HORZ_VERT_POSN + radeon_crtc->crtc_offset,
226 /* offset is from DISP(2)_BASE_ADDRESS */
227 WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset,
228 radeon_crtc->cursor_addr - radeon_crtc->legacy_display_base_addr +
232 radeon_crtc->cursor_x = x;
233 radeon_crtc->cursor_y = y;
238 int radeon_crtc_cursor_move(struct drm_crtc *crtc,
243 radeon_lock_cursor(crtc, true);
244 ret = radeon_cursor_move_locked(crtc, x, y);
245 radeon_lock_cursor(crtc, false);
250 int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
251 struct drm_file *file_priv,
258 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
259 struct radeon_device *rdev = crtc->dev->dev_private;
260 struct drm_gem_object *obj;
261 struct radeon_bo *robj;
265 /* turn off cursor */
266 radeon_hide_cursor(crtc);
271 if ((width > radeon_crtc->max_cursor_width) ||
272 (height > radeon_crtc->max_cursor_height)) {
273 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
277 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
279 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, radeon_crtc->crtc_id);
283 robj = gem_to_radeon_bo(obj);
284 ret = radeon_bo_reserve(robj, false);
286 drm_gem_object_unreference_unlocked(obj);
289 /* Only 27 bit offset for legacy cursor */
290 ret = radeon_bo_pin_restricted(robj, RADEON_GEM_DOMAIN_VRAM,
291 ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27,
292 &radeon_crtc->cursor_addr);
293 radeon_bo_unreserve(robj);
295 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
296 drm_gem_object_unreference_unlocked(obj);
300 radeon_crtc->cursor_width = width;
301 radeon_crtc->cursor_height = height;
303 radeon_lock_cursor(crtc, true);
305 if (hot_x != radeon_crtc->cursor_hot_x ||
306 hot_y != radeon_crtc->cursor_hot_y) {
309 x = radeon_crtc->cursor_x + radeon_crtc->cursor_hot_x - hot_x;
310 y = radeon_crtc->cursor_y + radeon_crtc->cursor_hot_y - hot_y;
312 radeon_cursor_move_locked(crtc, x, y);
314 radeon_crtc->cursor_hot_x = hot_x;
315 radeon_crtc->cursor_hot_y = hot_y;
318 radeon_show_cursor(crtc);
320 radeon_lock_cursor(crtc, false);
323 if (radeon_crtc->cursor_bo) {
324 struct radeon_bo *robj = gem_to_radeon_bo(radeon_crtc->cursor_bo);
325 ret = radeon_bo_reserve(robj, false);
326 if (likely(ret == 0)) {
327 radeon_bo_unpin(robj);
328 radeon_bo_unreserve(robj);
330 drm_gem_object_unreference_unlocked(radeon_crtc->cursor_bo);
333 radeon_crtc->cursor_bo = obj;
338 * radeon_cursor_reset - Re-set the current cursor, if any.
342 * If the CRTC passed in currently has a cursor assigned, this function
343 * makes sure it's visible.
345 void radeon_cursor_reset(struct drm_crtc *crtc)
347 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
349 if (radeon_crtc->cursor_bo) {
350 radeon_lock_cursor(crtc, true);
352 radeon_cursor_move_locked(crtc, radeon_crtc->cursor_x,
353 radeon_crtc->cursor_y);
355 radeon_show_cursor(crtc);
357 radeon_lock_cursor(crtc, false);