xorg_crtc.c revision 28486880ca3ec39419ccee0cb1a3bedc9ef7117c 
1/*
2 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
15 * of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 *
26 * Author: Alan Hourihane <alanh@tungstengraphics.com>
27 * Author: Jakob Bornecrantz <wallbraker@gmail.com>
28 *
29 */
30
31#include <unistd.h>
32#include <string.h>
33#include <assert.h>
34#include <stdlib.h>
35#include <math.h>
36#include <stdint.h>
37
38#include "xorg-server.h"
39#include <xf86.h>
40#include <xf86i2c.h>
41#include <xf86Crtc.h>
42#include "xorg_tracker.h"
43#include "xf86Modes.h"
44
45#ifdef HAVE_XEXTPROTO_71
46#include <X11/extensions/dpmsconst.h>
47#else
48#define DPMS_SERVER
49#include <X11/extensions/dpms.h>
50#endif
51
52#include "util/u_inlines.h"
53#include "util/u_rect.h"
54
55#ifdef HAVE_LIBKMS
56#include "libkms.h"
57#endif
58
59struct crtc_private
60{
61    drmModeCrtcPtr drm_crtc;
62
63    /* hwcursor */
64    struct pipe_texture *cursor_tex;
65    struct kms_bo *cursor_bo;
66
67    unsigned cursor_handle;
68};
69
70static void
71crtc_dpms(xf86CrtcPtr crtc, int mode)
72{
73    /* ScrnInfoPtr pScrn = crtc->scrn; */
74
75    switch (mode) {
76    case DPMSModeOn:
77    case DPMSModeStandby:
78    case DPMSModeSuspend:
79	break;
80    case DPMSModeOff:
81	break;
82    }
83}
84
85static Bool
86crtc_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
87		    Rotation rotation, int x, int y)
88{
89    xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
90    modesettingPtr ms = modesettingPTR(crtc->scrn);
91    xf86OutputPtr output = NULL;
92    drmModeConnectorPtr drm_connector;
93    struct crtc_private *crtcp = crtc->driver_private;
94    drmModeCrtcPtr drm_crtc = crtcp->drm_crtc;
95    drmModeModeInfo drm_mode;
96    int i, ret;
97
98    for (i = 0; i < config->num_output; output = NULL, i++) {
99	output = config->output[i];
100
101	if (output->crtc == crtc)
102	    break;
103    }
104
105    if (!output)
106	return FALSE;
107
108    drm_connector = output->driver_private;
109
110    drm_mode.clock = mode->Clock;
111    drm_mode.hdisplay = mode->HDisplay;
112    drm_mode.hsync_start = mode->HSyncStart;
113    drm_mode.hsync_end = mode->HSyncEnd;
114    drm_mode.htotal = mode->HTotal;
115    drm_mode.vdisplay = mode->VDisplay;
116    drm_mode.vsync_start = mode->VSyncStart;
117    drm_mode.vsync_end = mode->VSyncEnd;
118    drm_mode.vtotal = mode->VTotal;
119    drm_mode.flags = mode->Flags;
120    drm_mode.hskew = mode->HSkew;
121    drm_mode.vscan = mode->VScan;
122    drm_mode.vrefresh = mode->VRefresh;
123    if (!mode->name)
124	xf86SetModeDefaultName(mode);
125    strncpy(drm_mode.name, mode->name, DRM_DISPLAY_MODE_LEN - 1);
126    drm_mode.name[DRM_DISPLAY_MODE_LEN - 1] = '\0';
127
128    ret = drmModeSetCrtc(ms->fd, drm_crtc->crtc_id, ms->fb_id, x, y,
129			 &drm_connector->connector_id, 1, &drm_mode);
130
131    if (ret)
132	return FALSE;
133
134    crtc->x = x;
135    crtc->y = y;
136    crtc->mode = *mode;
137    crtc->rotation = rotation;
138
139    return TRUE;
140}
141
142static void
143crtc_gamma_set(xf86CrtcPtr crtc, CARD16 * red, CARD16 * green, CARD16 * blue,
144	       int size)
145{
146    /* XXX: hockup */
147}
148
149static void *
150crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
151{
152    /* ScrnInfoPtr pScrn = crtc->scrn; */
153
154    return NULL;
155}
156
157static PixmapPtr
158crtc_shadow_create(xf86CrtcPtr crtc, void *data, int width, int height)
159{
160    /* ScrnInfoPtr pScrn = crtc->scrn; */
161
162    return NULL;
163}
164
165static void
166crtc_shadow_destroy(xf86CrtcPtr crtc, PixmapPtr rotate_pixmap, void *data)
167{
168    /* ScrnInfoPtr pScrn = crtc->scrn; */
169}
170
171/*
172 * Cursor functions
173 */
174
175static void
176crtc_set_cursor_colors(xf86CrtcPtr crtc, int bg, int fg)
177{
178    /* XXX: See if this one is needed, as we only support ARGB cursors */
179}
180
181static void
182crtc_set_cursor_position(xf86CrtcPtr crtc, int x, int y)
183{
184    modesettingPtr ms = modesettingPTR(crtc->scrn);
185    struct crtc_private *crtcp = crtc->driver_private;
186
187    drmModeMoveCursor(ms->fd, crtcp->drm_crtc->crtc_id, x, y);
188}
189
190static void
191crtc_load_cursor_argb_ga3d(xf86CrtcPtr crtc, CARD32 * image)
192{
193    unsigned char *ptr;
194    modesettingPtr ms = modesettingPTR(crtc->scrn);
195    struct crtc_private *crtcp = crtc->driver_private;
196    struct pipe_transfer *transfer;
197
198    if (!crtcp->cursor_tex) {
199	struct pipe_texture templat;
200	unsigned pitch;
201
202	memset(&templat, 0, sizeof(templat));
203	templat.tex_usage |= PIPE_TEXTURE_USAGE_RENDER_TARGET;
204	templat.tex_usage |= PIPE_TEXTURE_USAGE_PRIMARY;
205	templat.target = PIPE_TEXTURE_2D;
206	templat.last_level = 0;
207	templat.depth0 = 1;
208	templat.format = PIPE_FORMAT_A8R8G8B8_UNORM;
209	templat.width0 = 64;
210	templat.height0 = 64;
211
212	crtcp->cursor_tex = ms->screen->texture_create(ms->screen,
213						       &templat);
214	ms->api->local_handle_from_texture(ms->api,
215					   ms->screen,
216					   crtcp->cursor_tex,
217					   &pitch,
218					   &crtcp->cursor_handle);
219    }
220
221    transfer = ms->screen->get_tex_transfer(ms->screen, crtcp->cursor_tex,
222					    0, 0, 0,
223					    PIPE_TRANSFER_WRITE,
224					    0, 0, 64, 64);
225    ptr = ms->screen->transfer_map(ms->screen, transfer);
226    util_copy_rect(ptr, crtcp->cursor_tex->format,
227		   transfer->stride, 0, 0,
228		   64, 64, (void*)image, 64 * 4, 0, 0);
229    ms->screen->transfer_unmap(ms->screen, transfer);
230    ms->screen->tex_transfer_destroy(transfer);
231}
232
233#if HAVE_LIBKMS
234static void
235crtc_load_cursor_argb_kms(xf86CrtcPtr crtc, CARD32 * image)
236{
237    modesettingPtr ms = modesettingPTR(crtc->scrn);
238    struct crtc_private *crtcp = crtc->driver_private;
239    unsigned char *ptr;
240
241    if (!crtcp->cursor_bo) {
242	unsigned attr[8];
243
244	attr[0] = KMS_BO_TYPE;
245#ifdef KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8
246	attr[1] = KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8;
247#else
248	attr[1] = KMS_BO_TYPE_CURSOR;
249#endif
250	attr[2] = KMS_WIDTH;
251	attr[3] = 64;
252	attr[4] = KMS_HEIGHT;
253	attr[5] = 64;
254	attr[6] = 0;
255
256        if (kms_bo_create(ms->kms, attr, &crtcp->cursor_bo))
257	   return;
258
259	if (kms_bo_get_prop(crtcp->cursor_bo, KMS_HANDLE,
260			    &crtcp->cursor_handle))
261	    goto err_bo_destroy;
262    }
263
264    kms_bo_map(crtcp->cursor_bo, (void**)&ptr);
265    memcpy(ptr, image, 64*64*4);
266    kms_bo_unmap(crtcp->cursor_bo);
267
268    return;
269
270err_bo_destroy:
271    kms_bo_destroy(&crtcp->cursor_bo);
272}
273#endif
274
275static void
276crtc_load_cursor_argb(xf86CrtcPtr crtc, CARD32 * image)
277{
278    modesettingPtr ms = modesettingPTR(crtc->scrn);
279    if (ms->screen)
280	crtc_load_cursor_argb_ga3d(crtc, image);
281#ifdef HAVE_LIBKMS
282    else if (ms->kms)
283	crtc_load_cursor_argb_kms(crtc, image);
284#endif
285}
286
287static void
288crtc_show_cursor(xf86CrtcPtr crtc)
289{
290    modesettingPtr ms = modesettingPTR(crtc->scrn);
291    struct crtc_private *crtcp = crtc->driver_private;
292
293    if (crtcp->cursor_tex || crtcp->cursor_bo)
294	drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id,
295			 crtcp->cursor_handle, 64, 64);
296}
297
298static void
299crtc_hide_cursor(xf86CrtcPtr crtc)
300{
301    modesettingPtr ms = modesettingPTR(crtc->scrn);
302    struct crtc_private *crtcp = crtc->driver_private;
303
304    drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id, 0, 0, 0);
305}
306
307/**
308 * Called at vt leave
309 */
310void
311xorg_crtc_cursor_destroy(xf86CrtcPtr crtc)
312{
313    struct crtc_private *crtcp = crtc->driver_private;
314
315    if (crtcp->cursor_tex)
316	pipe_texture_reference(&crtcp->cursor_tex, NULL);
317#ifdef HAVE_LIBKMS
318    if (crtcp->cursor_bo)
319	kms_bo_destroy(&crtcp->cursor_bo);
320#endif
321}
322
323/*
324 * Misc functions
325 */
326
327static void
328crtc_destroy(xf86CrtcPtr crtc)
329{
330    struct crtc_private *crtcp = crtc->driver_private;
331
332    xorg_crtc_cursor_destroy(crtc);
333
334    drmModeFreeCrtc(crtcp->drm_crtc);
335
336    xfree(crtcp);
337    crtc->driver_private = NULL;
338}
339
340static const xf86CrtcFuncsRec crtc_funcs = {
341    .dpms = crtc_dpms,
342    .set_mode_major = crtc_set_mode_major,
343
344    .set_cursor_colors = crtc_set_cursor_colors,
345    .set_cursor_position = crtc_set_cursor_position,
346    .show_cursor = crtc_show_cursor,
347    .hide_cursor = crtc_hide_cursor,
348    .load_cursor_argb = crtc_load_cursor_argb,
349
350    .shadow_create = crtc_shadow_create,
351    .shadow_allocate = crtc_shadow_allocate,
352    .shadow_destroy = crtc_shadow_destroy,
353
354    .gamma_set = crtc_gamma_set,
355    .destroy = crtc_destroy,
356};
357
358void
359xorg_crtc_init(ScrnInfoPtr pScrn)
360{
361    modesettingPtr ms = modesettingPTR(pScrn);
362    xf86CrtcPtr crtc;
363    drmModeResPtr res;
364    drmModeCrtcPtr drm_crtc = NULL;
365    struct crtc_private *crtcp;
366    int c;
367
368    res = drmModeGetResources(ms->fd);
369    if (res == 0) {
370	ErrorF("Failed drmModeGetResources %d\n", errno);
371	return;
372    }
373
374    for (c = 0; c < res->count_crtcs; c++) {
375	drm_crtc = drmModeGetCrtc(ms->fd, res->crtcs[c]);
376
377	if (!drm_crtc)
378	    continue;
379
380	crtc = xf86CrtcCreate(pScrn, &crtc_funcs);
381	if (crtc == NULL)
382	    goto out;
383
384	crtcp = xcalloc(1, sizeof(struct crtc_private));
385	if (!crtcp) {
386	    xf86CrtcDestroy(crtc);
387	    goto out;
388	}
389
390	crtcp->drm_crtc = drm_crtc;
391
392	crtc->driver_private = crtcp;
393    }
394
395  out:
396    drmModeFreeResources(res);
397}
398
399/* vim: set sw=4 ts=8 sts=4: */
400