forked from KolibriOS/kolibrios
208 lines
5.0 KiB
C
208 lines
5.0 KiB
C
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#include <stdint.h>
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#include <drm/drmP.h>
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#include <drm.h>
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#include <drm_mm.h>
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#include "radeon_drm.h"
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#include "radeon.h"
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#include "radeon_object.h"
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#include "display.h"
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display_t *rdisplay;
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static cursor_t* __stdcall select_cursor(cursor_t *cursor);
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static void __stdcall move_cursor(cursor_t *cursor, int x, int y);
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int init_cursor(cursor_t *cursor)
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{
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struct radeon_device *rdev;
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uint32_t *bits;
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uint32_t *src;
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int i,j;
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int r;
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rdev = (struct radeon_device *)rdisplay->ddev->dev_private;
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r = radeon_object_create(rdev, NULL, CURSOR_WIDTH*CURSOR_HEIGHT*4,
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false,
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RADEON_GEM_DOMAIN_VRAM,
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false, &cursor->robj);
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if (unlikely(r != 0))
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return r;
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radeon_object_pin(cursor->robj, TTM_PL_FLAG_VRAM, NULL);
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r = radeon_object_kmap(cursor->robj, &bits);
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if (r) {
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DRM_ERROR("radeon: failed to map cursor (%d).\n", r);
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return r;
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};
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src = cursor->data;
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for(i = 0; i < 32; i++)
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{
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for(j = 0; j < 32; j++)
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*bits++ = *src++;
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for(j = 32; j < CURSOR_WIDTH; j++)
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*bits++ = 0;
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}
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for(i = 0; i < CURSOR_WIDTH*(CURSOR_HEIGHT-32); i++)
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*bits++ = 0;
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radeon_object_kunmap(cursor->robj);
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return 0;
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};
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static void radeon_show_cursor()
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{
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struct radeon_device *rdev = (struct radeon_device *)rdisplay->ddev->dev_private;
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if (ASIC_IS_AVIVO(rdev)) {
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WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL);
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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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WREG32(RADEON_MM_INDEX, RADEON_CRTC_GEN_CNTL);
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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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cursor_t* __stdcall select_cursor(cursor_t *cursor)
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{
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struct radeon_device *rdev;
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cursor_t *old;
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uint32_t gpu_addr;
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rdev = (struct radeon_device *)rdisplay->ddev->dev_private;
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old = rdisplay->cursor;
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rdisplay->cursor = cursor;
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gpu_addr = cursor->robj->gpu_addr;
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if (ASIC_IS_AVIVO(rdev))
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WREG32(AVIVO_D1CUR_SURFACE_ADDRESS, gpu_addr);
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else {
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WREG32(RADEON_CUR_OFFSET, gpu_addr - rdev->mc.vram_location);
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}
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return old;
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};
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static void radeon_lock_cursor(bool lock)
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{
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struct radeon_device *rdev;
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rdev = (struct radeon_device *)rdisplay->ddev->dev_private;
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uint32_t cur_lock;
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if (ASIC_IS_AVIVO(rdev)) {
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cur_lock = RREG32(AVIVO_D1CUR_UPDATE);
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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, cur_lock);
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} else {
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cur_lock = RREG32(RADEON_CUR_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, cur_lock);
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}
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}
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void __stdcall move_cursor(cursor_t *cursor, int x, int y)
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{
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struct radeon_device *rdev;
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rdev = (struct radeon_device *)rdisplay->ddev->dev_private;
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int hot_x = cursor->hot_x;
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int hot_y = cursor->hot_y;
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radeon_lock_cursor(true);
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if (ASIC_IS_AVIVO(rdev))
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{
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int w = 32;
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int i = 0;
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WREG32(AVIVO_D1CUR_POSITION, (x << 16) | y);
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WREG32(AVIVO_D1CUR_HOT_SPOT, (hot_x << 16) | hot_y);
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WREG32(AVIVO_D1CUR_SIZE, ((w - 1) << 16) | 31);
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} else {
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uint32_t gpu_addr;
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WREG32(RADEON_CUR_HORZ_VERT_OFF,
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(RADEON_CUR_LOCK | (hot_x << 16) | (hot_y << 16)));
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WREG32(RADEON_CUR_HORZ_VERT_POSN,
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(RADEON_CUR_LOCK | (x << 16) | y));
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gpu_addr = cursor->robj->gpu_addr;
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/* offset is from DISP(2)_BASE_ADDRESS */
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WREG32(RADEON_CUR_OFFSET,
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(gpu_addr - rdev->mc.vram_location + (hot_y * 256)));
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}
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radeon_lock_cursor(false);
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}
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void __stdcall restore_cursor(int x, int y)
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{
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};
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bool init_display(struct radeon_device *rdev, mode_t *usermode)
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{
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struct drm_device *dev;
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cursor_t *cursor;
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bool retval = false;
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u32_t ifl;
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ENTER();
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rdisplay = GetDisplay();
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dev = rdisplay->ddev = rdev->ddev;
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ifl = safe_cli();
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{
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list_for_each_entry(cursor, &rdisplay->cursors, list)
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{
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init_cursor(cursor);
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};
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};
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safe_sti(ifl);
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ifl = safe_cli();
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{
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rdisplay->restore_cursor(0,0);
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rdisplay->init_cursor = init_cursor;
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rdisplay->select_cursor = select_cursor;
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rdisplay->show_cursor = NULL;
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rdisplay->move_cursor = move_cursor;
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rdisplay->restore_cursor = restore_cursor;
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select_cursor(rdisplay->cursor);
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radeon_show_cursor();
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};
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safe_sti(ifl);
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LEAVE();
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return retval;
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};
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