0,0 → 1,260 |
/* |
* 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" |
|
#define CURSOR_WIDTH 64 |
#define CURSOR_HEIGHT 64 |
|
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_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_AVIVO(rdev)) { |
WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset); |
WREG32(RADEON_MM_DATA, (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, 0, ~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_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 void radeon_set_cursor(struct drm_crtc *crtc, struct drm_gem_object *obj, |
uint32_t gpu_addr) |
{ |
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
struct radeon_device *rdev = crtc->dev->dev_private; |
|
if (ASIC_IS_AVIVO(rdev)) |
WREG32(AVIVO_D1CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset, gpu_addr); |
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 0 |
|
int radeon_crtc_cursor_set(struct drm_crtc *crtc, |
struct drm_file *file_priv, |
uint32_t handle, |
uint32_t width, |
uint32_t height) |
{ |
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
struct drm_gem_object *obj; |
uint64_t gpu_addr; |
int ret; |
|
if (!handle) { |
/* turn off cursor */ |
radeon_hide_cursor(crtc); |
obj = NULL; |
goto unpin; |
} |
|
if ((width > CURSOR_WIDTH) || (height > CURSOR_HEIGHT)) { |
DRM_ERROR("bad cursor width or height %d x %d\n", width, height); |
return -EINVAL; |
} |
|
radeon_crtc->cursor_width = width; |
radeon_crtc->cursor_height = height; |
|
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 -EINVAL; |
} |
|
ret = radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &gpu_addr); |
if (ret) |
goto fail; |
|
radeon_lock_cursor(crtc, true); |
/* XXX only 27 bit offset for legacy cursor */ |
radeon_set_cursor(crtc, obj, gpu_addr); |
radeon_show_cursor(crtc); |
radeon_lock_cursor(crtc, false); |
|
unpin: |
if (radeon_crtc->cursor_bo) { |
radeon_gem_object_unpin(radeon_crtc->cursor_bo); |
mutex_lock(&crtc->dev->struct_mutex); |
drm_gem_object_unreference(radeon_crtc->cursor_bo); |
mutex_unlock(&crtc->dev->struct_mutex); |
} |
|
radeon_crtc->cursor_bo = obj; |
return 0; |
fail: |
mutex_lock(&crtc->dev->struct_mutex); |
drm_gem_object_unreference(obj); |
mutex_unlock(&crtc->dev->struct_mutex); |
|
return 0; |
} |
#endif |
|
int radeon_crtc_cursor_move(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; |
|
if (x < 0) |
xorigin = -x + 1; |
if (y < 0) |
yorigin = -y + 1; |
if (xorigin >= CURSOR_WIDTH) |
xorigin = CURSOR_WIDTH - 1; |
if (yorigin >= CURSOR_HEIGHT) |
yorigin = CURSOR_HEIGHT - 1; |
|
radeon_lock_cursor(crtc, true); |
if (ASIC_IS_AVIVO(rdev)) { |
int w = radeon_crtc->cursor_width; |
int i = 0; |
struct drm_crtc *crtc_p; |
|
/* 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); |
|
/* avivo cursor image can't end on 128 pixel boundry or |
* go past the end of the frame if both crtcs are enabled |
*/ |
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; |
} |
|
WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset, |
((xorigin ? 0 : x) << 16) | |
(yorigin ? 0 : 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 |
| ((xorigin ? 0 : x) << 16) |
| (yorigin ? 0 : y))); |
/* offset is from DISP(2)_BASE_ADDRESS */ |
WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, (radeon_crtc->legacy_cursor_offset + |
(yorigin * 256))); |
} |
radeon_lock_cursor(crtc, false); |
|
return 0; |
} |