forked from KolibriOS/kolibrios
360 lines
11 KiB
C
360 lines
11 KiB
C
/*
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* Copyright 2007-8 Advanced Micro Devices, Inc.
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* Copyright 2008 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Dave Airlie
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* Alex Deucher
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*/
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#include <drm/drmP.h>
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#include <drm/radeon_drm.h>
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#include "radeon.h"
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static void radeon_lock_cursor(struct drm_crtc *crtc, bool lock)
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{
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struct radeon_device *rdev = crtc->dev->dev_private;
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struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
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uint32_t cur_lock;
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if (ASIC_IS_DCE4(rdev)) {
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cur_lock = RREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset);
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if (lock)
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cur_lock |= EVERGREEN_CURSOR_UPDATE_LOCK;
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else
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cur_lock &= ~EVERGREEN_CURSOR_UPDATE_LOCK;
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WREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset, cur_lock);
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} else if (ASIC_IS_AVIVO(rdev)) {
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cur_lock = RREG32(AVIVO_D1CUR_UPDATE + radeon_crtc->crtc_offset);
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if (lock)
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cur_lock |= AVIVO_D1CURSOR_UPDATE_LOCK;
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else
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cur_lock &= ~AVIVO_D1CURSOR_UPDATE_LOCK;
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WREG32(AVIVO_D1CUR_UPDATE + radeon_crtc->crtc_offset, cur_lock);
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} else {
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cur_lock = RREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset);
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if (lock)
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cur_lock |= RADEON_CUR_LOCK;
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else
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cur_lock &= ~RADEON_CUR_LOCK;
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WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, cur_lock);
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}
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}
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static void radeon_hide_cursor(struct drm_crtc *crtc)
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{
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struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
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struct radeon_device *rdev = crtc->dev->dev_private;
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if (ASIC_IS_DCE4(rdev)) {
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WREG32_IDX(EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset,
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EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT) |
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EVERGREEN_CURSOR_URGENT_CONTROL(EVERGREEN_CURSOR_URGENT_1_2));
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} else if (ASIC_IS_AVIVO(rdev)) {
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WREG32_IDX(AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset,
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(AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT));
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} else {
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u32 reg;
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switch (radeon_crtc->crtc_id) {
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case 0:
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reg = RADEON_CRTC_GEN_CNTL;
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break;
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case 1:
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reg = RADEON_CRTC2_GEN_CNTL;
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break;
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default:
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return;
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}
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WREG32_IDX(reg, RREG32_IDX(reg) & ~RADEON_CRTC_CUR_EN);
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}
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}
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static void radeon_show_cursor(struct drm_crtc *crtc)
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{
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struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
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struct radeon_device *rdev = crtc->dev->dev_private;
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if (ASIC_IS_DCE4(rdev)) {
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WREG32(EVERGREEN_CUR_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
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upper_32_bits(radeon_crtc->cursor_addr));
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WREG32(EVERGREEN_CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
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lower_32_bits(radeon_crtc->cursor_addr));
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WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset);
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WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_EN |
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EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT) |
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EVERGREEN_CURSOR_URGENT_CONTROL(EVERGREEN_CURSOR_URGENT_1_2));
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} else if (ASIC_IS_AVIVO(rdev)) {
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if (rdev->family >= CHIP_RV770) {
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if (radeon_crtc->crtc_id)
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WREG32(R700_D2CUR_SURFACE_ADDRESS_HIGH,
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upper_32_bits(radeon_crtc->cursor_addr));
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else
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WREG32(R700_D1CUR_SURFACE_ADDRESS_HIGH,
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upper_32_bits(radeon_crtc->cursor_addr));
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}
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WREG32(AVIVO_D1CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
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lower_32_bits(radeon_crtc->cursor_addr));
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WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset);
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WREG32(RADEON_MM_DATA, AVIVO_D1CURSOR_EN |
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(AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT));
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} else {
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/* offset is from DISP(2)_BASE_ADDRESS */
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WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset,
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radeon_crtc->cursor_addr - radeon_crtc->legacy_display_base_addr);
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switch (radeon_crtc->crtc_id) {
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case 0:
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WREG32(RADEON_MM_INDEX, RADEON_CRTC_GEN_CNTL);
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break;
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case 1:
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WREG32(RADEON_MM_INDEX, RADEON_CRTC2_GEN_CNTL);
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break;
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default:
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return;
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}
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WREG32_P(RADEON_MM_DATA, (RADEON_CRTC_CUR_EN |
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(RADEON_CRTC_CUR_MODE_24BPP << RADEON_CRTC_CUR_MODE_SHIFT)),
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~(RADEON_CRTC_CUR_EN | RADEON_CRTC_CUR_MODE_MASK));
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}
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}
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static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y)
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{
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struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
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struct radeon_device *rdev = crtc->dev->dev_private;
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int xorigin = 0, yorigin = 0;
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int w = radeon_crtc->cursor_width;
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if (ASIC_IS_AVIVO(rdev)) {
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/* avivo cursor are offset into the total surface */
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x += crtc->x;
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y += crtc->y;
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}
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DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
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if (x < 0) {
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xorigin = min(-x, radeon_crtc->max_cursor_width - 1);
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x = 0;
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}
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if (y < 0) {
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yorigin = min(-y, radeon_crtc->max_cursor_height - 1);
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y = 0;
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}
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/* fixed on DCE6 and newer */
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if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE6(rdev)) {
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int i = 0;
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struct drm_crtc *crtc_p;
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/*
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* avivo cursor image can't end on 128 pixel boundary or
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* go past the end of the frame if both crtcs are enabled
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*
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* NOTE: It is safe to access crtc->enabled of other crtcs
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* without holding either the mode_config lock or the other
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* crtc's lock as long as write access to this flag _always_
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* grabs all locks.
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*/
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list_for_each_entry(crtc_p, &crtc->dev->mode_config.crtc_list, head) {
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if (crtc_p->enabled)
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i++;
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}
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if (i > 1) {
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int cursor_end, frame_end;
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cursor_end = x - xorigin + w;
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frame_end = crtc->x + crtc->mode.crtc_hdisplay;
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if (cursor_end >= frame_end) {
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w = w - (cursor_end - frame_end);
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if (!(frame_end & 0x7f))
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w--;
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} else {
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if (!(cursor_end & 0x7f))
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w--;
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}
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if (w <= 0) {
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w = 1;
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cursor_end = x - xorigin + w;
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if (!(cursor_end & 0x7f)) {
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x--;
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WARN_ON_ONCE(x < 0);
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}
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}
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}
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}
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if (ASIC_IS_DCE4(rdev)) {
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WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
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WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
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WREG32(EVERGREEN_CUR_SIZE + radeon_crtc->crtc_offset,
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((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
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} else if (ASIC_IS_AVIVO(rdev)) {
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WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
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WREG32(AVIVO_D1CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
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WREG32(AVIVO_D1CUR_SIZE + radeon_crtc->crtc_offset,
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((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
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} else {
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if (crtc->mode.flags & DRM_MODE_FLAG_DBLSCAN)
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y *= 2;
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WREG32(RADEON_CUR_HORZ_VERT_OFF + radeon_crtc->crtc_offset,
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(RADEON_CUR_LOCK
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| (xorigin << 16)
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| yorigin));
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WREG32(RADEON_CUR_HORZ_VERT_POSN + radeon_crtc->crtc_offset,
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(RADEON_CUR_LOCK
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| (x << 16)
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| y));
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/* offset is from DISP(2)_BASE_ADDRESS */
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WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset,
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radeon_crtc->cursor_addr - radeon_crtc->legacy_display_base_addr +
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yorigin * 256);
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}
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radeon_crtc->cursor_x = x;
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radeon_crtc->cursor_y = y;
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return 0;
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}
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int radeon_crtc_cursor_move(struct drm_crtc *crtc,
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int x, int y)
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{
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int ret;
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radeon_lock_cursor(crtc, true);
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ret = radeon_cursor_move_locked(crtc, x, y);
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radeon_lock_cursor(crtc, false);
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return ret;
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}
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int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
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struct drm_file *file_priv,
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uint32_t handle,
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uint32_t width,
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uint32_t height,
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int32_t hot_x,
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int32_t hot_y)
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{
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struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
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struct radeon_device *rdev = crtc->dev->dev_private;
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struct drm_gem_object *obj;
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struct radeon_bo *robj;
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int ret;
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if (!handle) {
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/* turn off cursor */
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radeon_hide_cursor(crtc);
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obj = NULL;
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goto unpin;
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}
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if ((width > radeon_crtc->max_cursor_width) ||
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(height > radeon_crtc->max_cursor_height)) {
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DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
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return -EINVAL;
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}
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obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
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if (!obj) {
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DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, radeon_crtc->crtc_id);
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return -ENOENT;
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}
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robj = gem_to_radeon_bo(obj);
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ret = radeon_bo_reserve(robj, false);
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if (ret != 0) {
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drm_gem_object_unreference_unlocked(obj);
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return ret;
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}
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/* Only 27 bit offset for legacy cursor */
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ret = radeon_bo_pin_restricted(robj, RADEON_GEM_DOMAIN_VRAM,
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ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27,
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&radeon_crtc->cursor_addr);
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radeon_bo_unreserve(robj);
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if (ret) {
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DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
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drm_gem_object_unreference_unlocked(obj);
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return ret;
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}
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radeon_crtc->cursor_width = width;
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radeon_crtc->cursor_height = height;
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radeon_lock_cursor(crtc, true);
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if (hot_x != radeon_crtc->cursor_hot_x ||
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hot_y != radeon_crtc->cursor_hot_y) {
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int x, y;
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x = radeon_crtc->cursor_x + radeon_crtc->cursor_hot_x - hot_x;
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y = radeon_crtc->cursor_y + radeon_crtc->cursor_hot_y - hot_y;
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radeon_cursor_move_locked(crtc, x, y);
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radeon_crtc->cursor_hot_x = hot_x;
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radeon_crtc->cursor_hot_y = hot_y;
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}
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radeon_show_cursor(crtc);
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radeon_lock_cursor(crtc, false);
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unpin:
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if (radeon_crtc->cursor_bo) {
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struct radeon_bo *robj = gem_to_radeon_bo(radeon_crtc->cursor_bo);
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ret = radeon_bo_reserve(robj, false);
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if (likely(ret == 0)) {
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radeon_bo_unpin(robj);
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radeon_bo_unreserve(robj);
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}
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drm_gem_object_unreference_unlocked(radeon_crtc->cursor_bo);
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}
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radeon_crtc->cursor_bo = obj;
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return 0;
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}
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/**
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* radeon_cursor_reset - Re-set the current cursor, if any.
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*
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* @crtc: drm crtc
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*
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* If the CRTC passed in currently has a cursor assigned, this function
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* makes sure it's visible.
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*/
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void radeon_cursor_reset(struct drm_crtc *crtc)
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{
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struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
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if (radeon_crtc->cursor_bo) {
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radeon_lock_cursor(crtc, true);
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radeon_cursor_move_locked(crtc, radeon_crtc->cursor_x,
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radeon_crtc->cursor_y);
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radeon_show_cursor(crtc);
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radeon_lock_cursor(crtc, false);
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}
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}
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