diff options
Diffstat (limited to 'src/glamo-kms-crtc.c')
| -rw-r--r-- | src/glamo-kms-crtc.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/src/glamo-kms-crtc.c b/src/glamo-kms-crtc.c new file mode 100644 index 0000000..fdf0e9f --- /dev/null +++ b/src/glamo-kms-crtc.c @@ -0,0 +1,245 @@ +/* + * KMS Support for the SMedia Glamo3362 X.org Driver + * + * Modified: 2009 by Thomas White <taw@bitwiz.org.uk> + * + * Based on crtc.c from xf86-video-modesetting, to which the following + * notice applies: + * + * 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> + * + */ + + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <unistd.h> +#include <string.h> +#include <assert.h> +#include <stdlib.h> +#include <math.h> +#include <stdint.h> +#include <errno.h> + +#include <xf86.h> +#include <xf86i2c.h> +#include <xf86Crtc.h> +#include <xf86drm.h> +#include <drm.h> +#include <xf86drmMode.h> +#include <xf86Modes.h> +#define DPMS_SERVER +#include <X11/extensions/dpmsconst.h> + +#include "glamo.h" +#include "glamo-kms-crtc.h" + + +struct crtc_private +{ + drmModeCrtcPtr drm_crtc; +}; + + +static void crtc_dpms(xf86CrtcPtr crtc, int mode) +{ + switch (mode) { + case DPMSModeOn: + case DPMSModeStandby: + case DPMSModeSuspend: + break; + case DPMSModeOff: + break; + } +} + + +static Bool crtc_lock(xf86CrtcPtr crtc) +{ + return FALSE; +} + + +static void crtc_unlock(xf86CrtcPtr crtc) +{ +} + + +static void crtc_prepare(xf86CrtcPtr crtc) +{ +} + + +static void crtc_commit(xf86CrtcPtr crtc) +{ +} + + +static Bool crtc_mode_fixup(xf86CrtcPtr crtc, DisplayModePtr mode, + DisplayModePtr adjusted_mode) +{ + return TRUE; +} + + +static void crtc_mode_set(xf86CrtcPtr crtc, DisplayModePtr mode, + DisplayModePtr adjusted_mode, int x, int y) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn); + GlamoPtr pGlamo = GlamoPTR(crtc->scrn); + xf86OutputPtr output = config->output[config->compat_output]; + drmModeConnectorPtr drm_connector = output->driver_private; + struct crtc_private *crtcp = crtc->driver_private; + drmModeCrtcPtr drm_crtc = crtcp->drm_crtc; + drmModeModeInfo drm_mode; + + 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); + + drmModeSetCrtc(pGlamo->drm_fd, drm_crtc->crtc_id, pGlamo->fb_id, x, y, + &drm_connector->connector_id, 1, &drm_mode); +} + + +void crtc_load_lut(xf86CrtcPtr crtc) +{ +} + + +static void crtc_gamma_set(xf86CrtcPtr crtc, + CARD16 *red, CARD16 *green, CARD16 *blue, + int size) +{ +} + + +static void *crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height) +{ + return NULL; +} + + +static PixmapPtr crtc_shadow_create(xf86CrtcPtr crtc, void *data, + int width, int height) +{ + return NULL; +} + + +static void crtc_shadow_destroy(xf86CrtcPtr crtc, PixmapPtr rotate_pixmap, + void *data) +{ +} + + +static void crtc_destroy(xf86CrtcPtr crtc) +{ + struct crtc_private *crtcp = crtc->driver_private; + + drmModeFreeCrtc(crtcp->drm_crtc); + xfree(crtcp); +} + + +static const xf86CrtcFuncsRec crtc_funcs = { + .dpms = crtc_dpms, + .save = NULL, + .restore = NULL, + .lock = crtc_lock, + .unlock = crtc_unlock, + .mode_fixup = crtc_mode_fixup, + .prepare = crtc_prepare, + .mode_set = crtc_mode_set, + .commit = crtc_commit, + .gamma_set = crtc_gamma_set, + .shadow_create = crtc_shadow_create, + .shadow_allocate = crtc_shadow_allocate, + .shadow_destroy = crtc_shadow_destroy, + .set_cursor_position = NULL, + .show_cursor = NULL, + .hide_cursor = NULL, + .load_cursor_image = NULL, /* lets convert to argb only */ + .set_cursor_colors = NULL, /* using argb only */ + .load_cursor_argb = NULL, + .destroy = crtc_destroy, +}; + + +void crtc_init(ScrnInfoPtr pScrn) +{ + xf86CrtcPtr crtc; + GlamoPtr pGlamo = GlamoPTR(pScrn); + drmModeResPtr res; + drmModeCrtcPtr drm_crtc = NULL; + struct crtc_private *crtcp; + int c; + + res = drmModeGetResources(pGlamo->drm_fd); + if (res == 0) { + ErrorF("Failed drmModeGetResources %d\n", errno); + return; + } + + for (c = 0; c < res->count_crtcs; c++) { + drm_crtc = drmModeGetCrtc(pGlamo->drm_fd, res->crtcs[c]); + if (!drm_crtc) + continue; + + crtc = xf86CrtcCreate(pScrn, &crtc_funcs); + if (crtc == NULL) + goto out; + + crtcp = xcalloc(1, sizeof(struct crtc_private)); + if (!crtcp) { + xf86CrtcDestroy(crtc); + goto out; + } + + crtcp->drm_crtc = drm_crtc; + + crtc->driver_private = crtcp; + } + +out: + drmModeFreeResources(res); +} |