kolibrios-gitea/drivers/video/drm/radeon/rdisplay_kms.c

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#include <drm/drmP.h>
#include <drm.h>
#include <drm_mm.h>
#include "radeon_drm.h"
#include "radeon.h"
#include "radeon_object.h"
#include "display.h"
static cursor_t* __stdcall select_cursor_kms(cursor_t *cursor);
static void __stdcall move_cursor_kms(cursor_t *cursor, int x, int y);
int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);
void disable_mouse(void);
static void radeon_show_cursor_kms(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_lock_cursor_kms(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);
}
}
cursor_t* __stdcall select_cursor_kms(cursor_t *cursor)
{
struct radeon_device *rdev;
struct radeon_crtc *radeon_crtc;
cursor_t *old;
uint32_t gpu_addr;
rdev = (struct radeon_device *)rdisplay->ddev->dev_private;
radeon_crtc = to_radeon_crtc(rdisplay->crtc);
old = rdisplay->cursor;
rdisplay->cursor = cursor;
gpu_addr = radeon_bo_gpu_offset(cursor->robj);
if (ASIC_IS_AVIVO(rdev))
WREG32(AVIVO_D1CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset, gpu_addr);
else {
radeon_crtc->legacy_cursor_offset = gpu_addr - rdev->mc.vram_start;
/* offset is from DISP(2)_BASE_ADDRESS */
WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, radeon_crtc->legacy_cursor_offset);
}
return old;
};
void __stdcall move_cursor_kms(cursor_t *cursor, int x, int y)
{
struct radeon_device *rdev;
rdev = (struct radeon_device *)rdisplay->ddev->dev_private;
struct drm_crtc *crtc = rdisplay->crtc;
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
int hot_x = cursor->hot_x;
int hot_y = cursor->hot_y;
radeon_lock_cursor_kms(crtc, true);
if (ASIC_IS_AVIVO(rdev))
{
int w = 32;
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);
#if 0
/* 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 + 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;
}
#endif
WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset,
(x << 16) | y);
WREG32(AVIVO_D1CUR_HOT_SPOT + radeon_crtc->crtc_offset,
(hot_x << 16) | hot_y);
WREG32(AVIVO_D1CUR_SIZE + radeon_crtc->crtc_offset,
((w - 1) << 16) | 31);
} else {
if (crtc->mode.flags & DRM_MODE_FLAG_DBLSCAN)
y *= 2;
uint32_t gpu_addr;
int xorg =0, yorg=0;
x = x - hot_x;
y = y - hot_y;
if( x < 0 )
{
xorg = -x + 1;
x = 0;
}
if( y < 0 )
{
yorg = -hot_y + 1;
y = 0;
};
WREG32(RADEON_CUR_HORZ_VERT_OFF,
(RADEON_CUR_LOCK | (xorg << 16) | yorg ));
WREG32(RADEON_CUR_HORZ_VERT_POSN,
(RADEON_CUR_LOCK | (x << 16) | y));
gpu_addr = radeon_bo_gpu_offset(cursor->robj);
/* offset is from DISP(2)_BASE_ADDRESS */
WREG32(RADEON_CUR_OFFSET,
(gpu_addr - rdev->mc.vram_start + (yorg * 256)));
}
radeon_lock_cursor_kms(crtc, false);
}
static char *manufacturer_name(unsigned char *x)
{
static char name[4];
name[0] = ((x[0] & 0x7C) >> 2) + '@';
name[1] = ((x[0] & 0x03) << 3) + ((x[1] & 0xE0) >> 5) + '@';
name[2] = (x[1] & 0x1F) + '@';
name[3] = 0;
return name;
}
bool set_mode(struct drm_device *dev, struct drm_connector *connector,
videomode_t *reqmode, bool strict)
{
struct drm_display_mode *mode = NULL, *tmpmode;
bool ret = false;
ENTER();
dbgprintf("width %d height %d vrefresh %d\n",
reqmode->width, reqmode->height, reqmode->freq);
list_for_each_entry(tmpmode, &connector->modes, head)
{
if( (drm_mode_width(tmpmode) == reqmode->width) &&
(drm_mode_height(tmpmode) == reqmode->height) &&
(drm_mode_vrefresh(tmpmode) == reqmode->freq) )
{
mode = tmpmode;
goto do_set;
}
};
if( (mode == NULL) && (strict == false) )
{
list_for_each_entry(tmpmode, &connector->modes, head)
{
if( (drm_mode_width(tmpmode) == reqmode->width) &&
(drm_mode_height(tmpmode) == reqmode->height) )
{
mode = tmpmode;
goto do_set;
}
};
};
do_set:
if( mode != NULL )
{
struct drm_framebuffer *fb;
struct drm_encoder *encoder;
struct drm_crtc *crtc;
// char con_edid[128];
char *con_name;
char *enc_name;
encoder = connector->encoder;
crtc = encoder->crtc;
fb = list_first_entry(&dev->mode_config.fb_kernel_list,
struct drm_framebuffer, filp_head);
// memcpy(con_edid, connector->edid_blob_ptr->data, 128);
// dbgprintf("Manufacturer: %s Model %x Serial Number %u\n",
// manufacturer_name(con_edid + 0x08),
// (unsigned short)(con_edid[0x0A] + (con_edid[0x0B] << 8)),
// (unsigned int)(con_edid[0x0C] + (con_edid[0x0D] << 8)
// + (con_edid[0x0E] << 16) + (con_edid[0x0F] << 24)));
con_name = drm_get_connector_name(connector);
enc_name = drm_get_encoder_name(encoder);
dbgprintf("set mode %d %d connector %s encoder %s\n",
reqmode->width, reqmode->height, con_name, enc_name);
fb->width = reqmode->width;
fb->height = reqmode->height;
fb->pitch = radeon_align_pitch(dev->dev_private, reqmode->width, 32, false) * ((32 + 1) / 8);
crtc->fb = fb;
crtc->enabled = true;
rdisplay->crtc = crtc;
ret = drm_crtc_helper_set_mode(crtc, mode, 0, 0, fb);
select_cursor_kms(rdisplay->cursor);
radeon_show_cursor_kms(crtc);
if (ret == true)
{
rdisplay->width = fb->width;
rdisplay->height = fb->height;
rdisplay->pitch = fb->pitch;
rdisplay->vrefresh = drm_mode_vrefresh(mode);
sysSetScreen(fb->width, fb->height, fb->pitch);
dbgprintf("new mode %d x %d pitch %d\n",
fb->width, fb->height, fb->pitch);
}
else
DRM_ERROR("failed to set mode %d_%d on crtc %p\n",
fb->width, fb->height, crtc);
}
LEAVE();
return ret;
};
static int count_connector_modes(struct drm_connector* connector)
{
struct drm_display_mode *mode;
int count = 0;
list_for_each_entry(mode, &connector->modes, head)
{
count++;
};
return count;
};
static struct drm_connector* get_def_connector(struct drm_device *dev)
{
struct drm_connector *connector;
struct drm_connector *def_connector = NULL;
list_for_each_entry(connector, &dev->mode_config.connector_list, head)
{
struct drm_encoder *encoder;
struct drm_crtc *crtc;
if( connector->status != connector_status_connected)
continue;
encoder = connector->encoder;
if( encoder == NULL)
continue;
crtc = encoder->crtc;
if(crtc == NULL)
continue;
def_connector = connector;
break;
};
return def_connector;
};
bool init_display_kms(struct radeon_device *rdev, videomode_t *usermode)
{
struct drm_device *dev;
cursor_t *cursor;
bool retval = false;
u32_t ifl;
ENTER();
rdisplay = GetDisplay();
dev = rdisplay->ddev = rdev->ddev;
ifl = safe_cli();
{
list_for_each_entry(cursor, &rdisplay->cursors, list)
{
init_cursor(cursor);
};
};
safe_sti(ifl);
rdisplay->connector = get_def_connector(dev);
if( rdisplay->connector == 0 )
{
dbgprintf("no active connectors\n");
return false;
};
rdisplay->crtc = rdisplay->connector->encoder->crtc;
rdisplay->supported_modes = count_connector_modes(rdisplay->connector);
dbgprintf("current mode %d x %d x %d\n",
rdisplay->width, rdisplay->height, rdisplay->vrefresh);
dbgprintf("user mode mode %d x %d x %d\n",
usermode->width, usermode->height, usermode->freq);
if( (usermode->width != 0) &&
(usermode->height != 0) &&
( (usermode->width != rdisplay->width) ||
(usermode->height != rdisplay->height) ||
(usermode->freq != rdisplay->vrefresh) ) )
{
retval = set_mode(dev, rdisplay->connector, usermode, false);
}
ifl = safe_cli();
{
rdisplay->restore_cursor(0,0);
rdisplay->init_cursor = init_cursor;
rdisplay->select_cursor = select_cursor_kms;
rdisplay->show_cursor = NULL;
rdisplay->move_cursor = move_cursor_kms;
rdisplay->restore_cursor = restore_cursor;
rdisplay->disable_mouse = disable_mouse;
select_cursor_kms(rdisplay->cursor);
radeon_show_cursor_kms(rdisplay->crtc);
};
safe_sti(ifl);
LEAVE();
return retval;
};
int get_modes(videomode_t *mode, int *count)
{
int err = -1;
ENTER();
dbgprintf("mode %x count %d\n", mode, *count);
if( *count == 0 )
{
*count = rdisplay->supported_modes;
err = 0;
}
else if( mode != NULL )
{
struct drm_display_mode *drmmode;
int i = 0;
if( *count > rdisplay->supported_modes)
*count = rdisplay->supported_modes;
list_for_each_entry(drmmode, &rdisplay->connector->modes, head)
{
if( i < *count)
{
mode->width = drm_mode_width(drmmode);
mode->height = drm_mode_height(drmmode);
mode->bpp = 32;
mode->freq = drm_mode_vrefresh(drmmode);
i++;
mode++;
}
else break;
};
*count = i;
err = 0;
};
LEAVE();
return err;
}
int set_user_mode(videomode_t *mode)
{
int err = -1;
ENTER();
dbgprintf("width %d height %d vrefresh %d\n",
mode->width, mode->height, mode->freq);
if( (mode->width != 0) &&
(mode->height != 0) &&
(mode->freq != 0 ) &&
( (mode->width != rdisplay->width) ||
(mode->height != rdisplay->height) ||
(mode->freq != rdisplay->vrefresh) ) )
{
if( set_mode(rdisplay->ddev, rdisplay->connector, mode, true) )
err = 0;
};
LEAVE();
return err;
};
#if 0
void drm_helper_disable_unused_functions(struct drm_device *dev)
{
struct drm_encoder *encoder;
struct drm_connector *connector;
struct drm_encoder_helper_funcs *encoder_funcs;
struct drm_crtc *crtc;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
if (!connector->encoder)
continue;
if (connector->status == connector_status_disconnected)
connector->encoder = NULL;
}
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
encoder_funcs = encoder->helper_private;
if (!drm_helper_encoder_in_use(encoder)) {
if (encoder_funcs->disable)
(*encoder_funcs->disable)(encoder);
else
(*encoder_funcs->dpms)(encoder, DRM_MODE_DPMS_OFF);
/* disconnector encoder from any connector */
encoder->crtc = NULL;
}
}
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
crtc->enabled = drm_helper_crtc_in_use(crtc);
if (!crtc->enabled) {
crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
crtc->fb = NULL;
}
}
}
#endif