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/*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* 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, sub license, 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 (including the
* next paragraph) 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
*
*
* Author: Alan Hourihane <alanh@tungstengraphics.com>
* Author: Jakob Bornecrantz <wallbraker@gmail.com>
*
*/
#include <unistd.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <math.h>
#include <stdint.h>
#include "xorg-server.h"
#include <xf86.h>
#include <xf86i2c.h>
#include <xf86Crtc.h>
#include <cursorstr.h>
#include "xorg_tracker.h"
#include "xf86Modes.h"
#ifdef HAVE_XEXTPROTO_71
#include <X11/extensions/dpmsconst.h>
#else
#define DPMS_SERVER
#include <X11/extensions/dpms.h>
#endif
#include "state_tracker/drm_driver.h"
#include "util/u_inlines.h"
#include "util/u_rect.h"
#ifdef HAVE_LIBKMS
#include "libkms.h"
#endif
struct crtc_private
{
drmModeCrtcPtr drm_crtc;
/* hwcursor */
struct pipe_resource *cursor_tex;
struct kms_bo *cursor_bo;
unsigned cursor_handle;
};
static void
crtc_dpms(xf86CrtcPtr crtc, int mode)
{
/* ScrnInfoPtr pScrn = crtc->scrn; */
switch (mode) {
case DPMSModeOn:
case DPMSModeStandby:
case DPMSModeSuspend:
break;
case DPMSModeOff:
break;
}
}
static Bool
crtc_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
Rotation rotation, int x, int y)
{
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
modesettingPtr ms = modesettingPTR(crtc->scrn);
xf86OutputPtr output = NULL;
struct crtc_private *crtcp = crtc->driver_private;
drmModeCrtcPtr drm_crtc = crtcp->drm_crtc;
drmModeModeInfo drm_mode;
int i, ret;
unsigned int connector_id;
for (i = 0; i < config->num_output; output = NULL, i++) {
output = config->output[i];
if (output->crtc == crtc)
break;
}
if (!output)
return FALSE;
connector_id = xorg_output_get_id(output);
drm_mode.clock = mode->Clock;
drm_mode.hdisplay = mode->HDisplay;
drm_mode.hsync_start = mode->HSyncStart;
drm_mode.hsync_end = mode->HSyncEnd;
drm_mode.htotal = mode->HTotal;
drm_mode.vdisplay = mode->VDisplay;
drm_mode.vsync_start = mode->VSyncStart;
drm_mode.vsync_end = mode->VSyncEnd;
drm_mode.vtotal = mode->VTotal;
drm_mode.flags = mode->Flags;
drm_mode.hskew = mode->HSkew;
drm_mode.vscan = mode->VScan;
drm_mode.vrefresh = mode->VRefresh;
if (!mode->name)
xf86SetModeDefaultName(mode);
strncpy(drm_mode.name, mode->name, DRM_DISPLAY_MODE_LEN - 1);
drm_mode.name[DRM_DISPLAY_MODE_LEN - 1] = '\0';
ret = drmModeSetCrtc(ms->fd, drm_crtc->crtc_id, ms->fb_id, x, y,
&connector_id, 1, &drm_mode);
if (ret)
return FALSE;
crtc->x = x;
crtc->y = y;
crtc->mode = *mode;
crtc->rotation = rotation;
return TRUE;
}
static void
crtc_gamma_set(xf86CrtcPtr crtc, CARD16 * red, CARD16 * green, CARD16 * blue,
int size)
{
/* XXX: hockup */
}
#if 0 /* Implement and enable to enable rotation and reflection. */
static void *
crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
{
/* ScrnInfoPtr pScrn = crtc->scrn; */
return NULL;
}
static PixmapPtr
crtc_shadow_create(xf86CrtcPtr crtc, void *data, int width, int height)
{
/* ScrnInfoPtr pScrn = crtc->scrn; */
return NULL;
}
static void
crtc_shadow_destroy(xf86CrtcPtr crtc, PixmapPtr rotate_pixmap, void *data)
{
/* ScrnInfoPtr pScrn = crtc->scrn; */
}
#endif
/*
* Cursor functions
*/
static void
crtc_set_cursor_colors(xf86CrtcPtr crtc, int bg, int fg)
{
/* XXX: See if this one is needed, as we only support ARGB cursors */
}
static void
crtc_set_cursor_position(xf86CrtcPtr crtc, int x, int y)
{
modesettingPtr ms = modesettingPTR(crtc->scrn);
struct crtc_private *crtcp = crtc->driver_private;
drmModeMoveCursor(ms->fd, crtcp->drm_crtc->crtc_id, x, y);
}
static void
crtc_load_cursor_argb_ga3d(xf86CrtcPtr crtc, CARD32 * image)
{
unsigned char *ptr;
modesettingPtr ms = modesettingPTR(crtc->scrn);
struct crtc_private *crtcp = crtc->driver_private;
struct pipe_transfer *transfer;
if (!crtcp->cursor_tex) {
struct pipe_resource templat;
struct winsys_handle whandle;
memset(&templat, 0, sizeof(templat));
templat.bind |= PIPE_BIND_RENDER_TARGET;
templat.bind |= PIPE_BIND_SCANOUT;
templat.target = PIPE_TEXTURE_2D;
templat.last_level = 0;
templat.depth0 = 1;
templat.format = PIPE_FORMAT_B8G8R8A8_UNORM;
templat.width0 = 64;
templat.height0 = 64;
memset(&whandle, 0, sizeof(whandle));
whandle.type = DRM_API_HANDLE_TYPE_KMS;
crtcp->cursor_tex = ms->screen->resource_create(ms->screen,
&templat);
ms->screen->resource_get_handle(ms->screen, crtcp->cursor_tex, &whandle);
crtcp->cursor_handle = whandle.handle;
}
transfer = pipe_get_transfer(ms->ctx, crtcp->cursor_tex,
0, 0, 0,
PIPE_TRANSFER_WRITE,
0, 0, 64, 64);
ptr = ms->ctx->transfer_map(ms->ctx, transfer);
util_copy_rect(ptr, crtcp->cursor_tex->format,
transfer->stride, 0, 0,
64, 64, (void*)image, 64 * 4, 0, 0);
ms->ctx->transfer_unmap(ms->ctx, transfer);
ms->ctx->transfer_destroy(ms->ctx, transfer);
if (crtc->cursor_shown)
drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id,
crtcp->cursor_handle, 64, 64);
}
#if HAVE_LIBKMS
static void
crtc_load_cursor_argb_kms(xf86CrtcPtr crtc, CARD32 * image)
{
modesettingPtr ms = modesettingPTR(crtc->scrn);
struct crtc_private *crtcp = crtc->driver_private;
unsigned char *ptr;
if (!crtcp->cursor_bo) {
unsigned attr[8];
attr[0] = KMS_BO_TYPE;
#ifdef KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8
attr[1] = KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8;
#else
attr[1] = KMS_BO_TYPE_CURSOR;
#endif
attr[2] = KMS_WIDTH;
attr[3] = 64;
attr[4] = KMS_HEIGHT;
attr[5] = 64;
attr[6] = 0;
if (kms_bo_create(ms->kms, attr, &crtcp->cursor_bo))
return;
if (kms_bo_get_prop(crtcp->cursor_bo, KMS_HANDLE,
&crtcp->cursor_handle))
goto err_bo_destroy;
}
kms_bo_map(crtcp->cursor_bo, (void**)&ptr);
memcpy(ptr, image, 64*64*4);
kms_bo_unmap(crtcp->cursor_bo);
if (crtc->cursor_shown)
drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id,
crtcp->cursor_handle, 64, 64);
return;
err_bo_destroy:
kms_bo_destroy(&crtcp->cursor_bo);
}
#endif
static void
crtc_load_cursor_argb(xf86CrtcPtr crtc, CARD32 * image)
{
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
modesettingPtr ms = modesettingPTR(crtc->scrn);
/* Older X servers have cursor reference counting bugs leading to use of
* freed memory and consequently random crashes. Should be fixed as of
* xserver 1.8, but this workaround shouldn't hurt anyway.
*/
if (config->cursor)
config->cursor->refcnt++;
if (ms->cursor)
FreeCursor(ms->cursor, None);
ms->cursor = config->cursor;
if (ms->screen)
crtc_load_cursor_argb_ga3d(crtc, image);
#ifdef HAVE_LIBKMS
else if (ms->kms)
crtc_load_cursor_argb_kms(crtc, image);
#endif
}
static void
crtc_show_cursor(xf86CrtcPtr crtc)
{
modesettingPtr ms = modesettingPTR(crtc->scrn);
struct crtc_private *crtcp = crtc->driver_private;
if (crtcp->cursor_tex || crtcp->cursor_bo)
drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id,
crtcp->cursor_handle, 64, 64);
}
static void
crtc_hide_cursor(xf86CrtcPtr crtc)
{
modesettingPtr ms = modesettingPTR(crtc->scrn);
struct crtc_private *crtcp = crtc->driver_private;
drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id, 0, 0, 0);
}
/**
* Called at vt leave
*/
void
xorg_crtc_cursor_destroy(xf86CrtcPtr crtc)
{
struct crtc_private *crtcp = crtc->driver_private;
if (crtcp->cursor_tex)
pipe_resource_reference(&crtcp->cursor_tex, NULL);
#ifdef HAVE_LIBKMS
if (crtcp->cursor_bo)
kms_bo_destroy(&crtcp->cursor_bo);
#endif
}
/*
* Misc functions
*/
static void
crtc_destroy(xf86CrtcPtr crtc)
{
struct crtc_private *crtcp = crtc->driver_private;
xorg_crtc_cursor_destroy(crtc);
drmModeFreeCrtc(crtcp->drm_crtc);
free(crtcp);
crtc->driver_private = NULL;
}
static const xf86CrtcFuncsRec crtc_funcs = {
.dpms = crtc_dpms,
.set_mode_major = crtc_set_mode_major,
.set_cursor_colors = crtc_set_cursor_colors,
.set_cursor_position = crtc_set_cursor_position,
.show_cursor = crtc_show_cursor,
.hide_cursor = crtc_hide_cursor,
.load_cursor_argb = crtc_load_cursor_argb,
.shadow_create = NULL,
.shadow_allocate = NULL,
.shadow_destroy = NULL,
.gamma_set = crtc_gamma_set,
.destroy = crtc_destroy,
};
void
xorg_crtc_init(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
xf86CrtcPtr crtc;
drmModeResPtr res;
drmModeCrtcPtr drm_crtc = NULL;
struct crtc_private *crtcp;
int c;
res = drmModeGetResources(ms->fd);
if (res == 0) {
ErrorF("Failed drmModeGetResources %d\n", errno);
return;
}
for (c = 0; c < res->count_crtcs; c++) {
drm_crtc = drmModeGetCrtc(ms->fd, res->crtcs[c]);
if (!drm_crtc)
continue;
crtc = xf86CrtcCreate(pScrn, &crtc_funcs);
if (crtc == NULL)
goto out;
crtcp = calloc(1, sizeof(struct crtc_private));
if (!crtcp) {
xf86CrtcDestroy(crtc);
goto out;
}
crtcp->drm_crtc = drm_crtc;
crtc->driver_private = crtcp;
}
out:
drmModeFreeResources(res);
}
/* vim: set sw=4 ts=8 sts=4: */
|