summaryrefslogtreecommitdiffstats
path: root/vidix/pm3_vid.c
blob: 25b0a60988514ff330c43a86110d502c9a5d45df (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
/*
 * VIDIX driver for 3DLabs Glint R3 and Permedia 3 chipsets.
 * Copyright (C) 2002 Måns Rullgård
 *
 * This file is part of MPlayer.
 *
 * MPlayer is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * MPlayer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <unistd.h>

#include "config.h"
#include "vidix.h"
#include "fourcc.h"
#include "dha.h"
#include "pci_ids.h"
#include "pci_names.h"

#include "pm3_regs.h"

#if 0
#define TRACE_ENTER() fprintf(stderr, "%s: enter\n", __FUNCTION__)
#define TRACE_EXIT() fprintf(stderr, "%s: exit\n", __FUNCTION__)
#else
#define TRACE_ENTER()
#define TRACE_EXIT()
#endif

static pciinfo_t pci_info;

void *pm3_reg_base;
static void *pm3_mem;

static vidix_capability_t pm3_cap =
{
    "3DLabs GLINT R3/Permedia3 driver",
    "Måns Rullgård <mru@users.sf.net>",
    TYPE_OUTPUT,
    { 0, 0, 0, 0 },
    2048,
    2048,
    4,
    4,
    -1,
    FLAG_UPSCALER|FLAG_DOWNSCALER,
    VENDOR_3DLABS,
    -1,
    { 0, 0, 0, 0 }
};

static unsigned short pm3_card_ids[] = 
{
    DEVICE_3DLABS_GLINT_R3
};

static int find_chip(unsigned chip_id)
{
  unsigned i;
  for(i = 0;i < sizeof(pm3_card_ids)/sizeof(unsigned short);i++)
  {
    if(chip_id == pm3_card_ids[i]) return i;
  }
  return -1;
}

static int pm3_probe(int verbose, int force)
{
    pciinfo_t lst[MAX_PCI_DEVICES];
    unsigned i,num_pci;
    int err;

    err = pci_scan(lst,&num_pci);
    if(err)
    {
	printf("[pm3] Error occurred during pci scan: %s\n",strerror(err));
	return err;
    }
    else
    {
	err = ENXIO;
	for(i=0; i < num_pci; i++)
	{
	    if(lst[i].vendor == VENDOR_3DLABS)
	    {
		int idx;
		const char *dname;
		idx = find_chip(lst[i].device);
		if(idx == -1)
		    continue;
		dname = pci_device_name(VENDOR_3DLABS, lst[i].device);
		dname = dname ? dname : "Unknown chip";
		printf("[pm3] Found chip: %s\n", dname);
#if 0
		if ((lst[i].command & PCI_COMMAND_IO) == 0)
		{
			printf("[pm3] Device is disabled, ignoring\n");
			continue;
		}
#endif
		pm3_cap.device_id = lst[i].device;
		err = 0;
		memcpy(&pci_info, &lst[i], sizeof(pciinfo_t));
		break;
	    }
	}
    }
    if(err && verbose) printf("[pm3] Can't find chip\n");
    return err;
}

#define PRINT_REG(reg)							\
{									\
    long _foo = READ_REG(reg);						\
    printf("[pm3] " #reg " (%x) = %#lx (%li)\n", reg, _foo, _foo);	\
}

static int pm3_init(void)
{
    pm3_reg_base = map_phys_mem(pci_info.base0, 0x20000);
    pm3_mem = map_phys_mem(pci_info.base2, 0x2000000);
    return 0;
}

static void pm3_destroy(void)
{
    unmap_phys_mem(pm3_reg_base, 0x20000);
    unmap_phys_mem(pm3_mem, 0x2000000);
}

static int pm3_get_caps(vidix_capability_t *to)
{
    memcpy(to, &pm3_cap, sizeof(vidix_capability_t));
    return 0;
}

static int is_supported_fourcc(uint32_t fourcc)
{
    switch(fourcc){
    case IMGFMT_YUY2:
    case IMGFMT_UYVY:
	return 1;
    default:
	return 0;
    }
}

static int pm3_query_fourcc(vidix_fourcc_t *to)
{
    if(is_supported_fourcc(to->fourcc))
    {
	to->depth = VID_DEPTH_ALL;
	to->flags = VID_CAP_EXPAND | VID_CAP_SHRINK | VID_CAP_COLORKEY;
	return 0;
    }
    else  to->depth = to->flags = 0;
    return ENOSYS;
}

#define FORMAT_RGB8888	PM3VideoOverlayMode_COLORFORMAT_RGB8888 
#define FORMAT_RGB4444	PM3VideoOverlayMode_COLORFORMAT_RGB4444
#define FORMAT_RGB5551	PM3VideoOverlayMode_COLORFORMAT_RGB5551
#define FORMAT_RGB565	PM3VideoOverlayMode_COLORFORMAT_RGB565
#define FORMAT_RGB332	PM3VideoOverlayMode_COLORFORMAT_RGB332
#define FORMAT_BGR8888	PM3VideoOverlayMode_COLORFORMAT_BGR8888
#define FORMAT_BGR4444	PM3VideoOverlayMode_COLORFORMAT_BGR4444
#define FORMAT_BGR5551	PM3VideoOverlayMode_COLORFORMAT_BGR5551
#define FORMAT_BGR565	PM3VideoOverlayMode_COLORFORMAT_BGR565
#define FORMAT_BGR332	PM3VideoOverlayMode_COLORFORMAT_BGR332
#define FORMAT_CI8	PM3VideoOverlayMode_COLORFORMAT_CI8
#define FORMAT_VUY444	PM3VideoOverlayMode_COLORFORMAT_VUY444
#define FORMAT_YUV444	PM3VideoOverlayMode_COLORFORMAT_YUV444
#define FORMAT_VUY422	PM3VideoOverlayMode_COLORFORMAT_VUY422
#define FORMAT_YUV422	PM3VideoOverlayMode_COLORFORMAT_YUV422

/* Notice, have to check that we don't overflow the deltas here ... */
static void
compute_scale_factor(
    short* src_w, short* dst_w,
    uint32_t* shrink_delta, uint32_t* zoom_delta)
{
    /* NOTE: If we don't return reasonable values here then the video
     * unit can potential shut off and won't display an image until re-enabled.
     * Seems as though the zoom_delta is o.k, and I've not had the problem.
     * The 'shrink_delta' is prone to this the most - FIXME ! */

    if (*src_w >= *dst_w) {
	*src_w &= ~0x3;
	*dst_w &= ~0x3;
	*shrink_delta = (((*src_w << 16) / *dst_w) + 0x0f) & 0x0ffffff0;
	*zoom_delta = 1<<16;
	if ( ((*shrink_delta * *dst_w) >> 16) & 0x03 )
	    *shrink_delta += 0x10;
    } else {
	*src_w &= ~0x3;
	*dst_w &= ~0x3;
	*zoom_delta = (((*src_w << 16) / *dst_w) + 0x0f) & 0x0001fff0;
	*shrink_delta = 1<<16;
	if ( ((*zoom_delta * *dst_w) >> 16) & 0x03 )
	    *zoom_delta += 0x10;
    }
}

static int frames[VID_PLAY_MAXFRAMES];

static long overlay_mode, overlay_control;

static int pm3_config_playback(vidix_playback_t *info)
{
    uint32_t shrink, zoom;
    short src_w, drw_w;
    short src_h, drw_h;
    long base0;
    int pitch;
    int format;
    unsigned int i;

    TRACE_ENTER();

    if(!is_supported_fourcc(info->fourcc))
	return -1;

    switch(info->fourcc){
    case IMGFMT_YUY2:
	format = FORMAT_YUV422;
	break;
    case IMGFMT_UYVY:
	format = FORMAT_VUY422;
	break;
    default:
	return -1;
    }

    src_w = info->src.w;
    src_h = info->src.h;

    drw_w = info->dest.w;
    drw_h = info->dest.h;

    pitch = src_w;

    /* Assume we have 16 MB to play with */
    info->num_frames = 0x1000000 / (pitch * src_h * 2);
    if(info->num_frames > VID_PLAY_MAXFRAMES)
	info->num_frames = VID_PLAY_MAXFRAMES;

    /* Start at 16 MB. Let's hope it's not in use. */
    base0 = 0x1000000;
    info->dga_addr = pm3_mem + base0;

    info->dest.pitch.y = 2;
    info->dest.pitch.u = 0;
    info->dest.pitch.v = 0;
    info->offset.y = 0;
    info->offset.v = 0;
    info->offset.u = 0;
    info->frame_size = pitch * src_h * 2;
    for(i = 0; i < info->num_frames; i++){
	info->offsets[i] = info->frame_size * i;
	frames[i] = (base0 + info->offsets[i]) >> 1;
    }

    compute_scale_factor(&src_w, &drw_w, &shrink, &zoom);

    WRITE_REG(PM3VideoOverlayBase0, base0 >> 1);
    WRITE_REG(PM3VideoOverlayStride, PM3VideoOverlayStride_STRIDE(pitch));
    WRITE_REG(PM3VideoOverlayWidth, PM3VideoOverlayWidth_WIDTH(src_w));
    WRITE_REG(PM3VideoOverlayHeight, PM3VideoOverlayHeight_HEIGHT(src_h));
    WRITE_REG(PM3VideoOverlayOrigin, 0);

    /* Scale the source to the destinationsize */
    if (src_h == drw_h) {
	WRITE_REG(PM3VideoOverlayYDelta, PM3VideoOverlayYDelta_NONE);
    } else {
	WRITE_REG(PM3VideoOverlayYDelta,
		  PM3VideoOverlayYDelta_DELTA(src_h, drw_h));
    }
    if (src_w == drw_w) {
    	WRITE_REG(PM3VideoOverlayShrinkXDelta, 1<<16);
    	WRITE_REG(PM3VideoOverlayZoomXDelta, 1<<16);
    } else {
    	WRITE_REG(PM3VideoOverlayShrinkXDelta, shrink);
    	WRITE_REG(PM3VideoOverlayZoomXDelta, zoom);
    }
    WRITE_REG(PM3VideoOverlayIndex, 0);

    /* Now set the ramdac video overlay region and mode */
    RAMDAC_SET_REG(PM3RD_VideoOverlayXStartLow, (info->dest.x & 0xff));
    RAMDAC_SET_REG(PM3RD_VideoOverlayXStartHigh, (info->dest.x & 0xf00)>>8);
    RAMDAC_SET_REG(PM3RD_VideoOverlayXEndLow, (info->dest.x+drw_w) & 0xff);
    RAMDAC_SET_REG(PM3RD_VideoOverlayXEndHigh,
		   ((info->dest.x+drw_w) & 0xf00)>>8);
    RAMDAC_SET_REG(PM3RD_VideoOverlayYStartLow, (info->dest.y & 0xff)); 
    RAMDAC_SET_REG(PM3RD_VideoOverlayYStartHigh, (info->dest.y & 0xf00)>>8);
    RAMDAC_SET_REG(PM3RD_VideoOverlayYEndLow, (info->dest.y+drw_h) & 0xff); 
    RAMDAC_SET_REG(PM3RD_VideoOverlayYEndHigh,
		   ((info->dest.y+drw_h) & 0xf00)>>8);

    RAMDAC_SET_REG(PM3RD_VideoOverlayKeyR, 0xff);
    RAMDAC_SET_REG(PM3RD_VideoOverlayKeyG, 0x00);
    RAMDAC_SET_REG(PM3RD_VideoOverlayKeyB, 0xff);

    overlay_mode =
	1 << 5 |
	format |
	PM3VideoOverlayMode_FILTER_FULL |
	PM3VideoOverlayMode_BUFFERSYNC_MANUAL |
	PM3VideoOverlayMode_FLIP_VIDEO;

    overlay_control = 
	PM3RD_VideoOverlayControl_KEY_COLOR |
	PM3RD_VideoOverlayControl_MODE_MAINKEY |
	PM3RD_VideoOverlayControl_DIRECTCOLOR_ENABLED;

    TRACE_EXIT();
    return 0;
}

static int pm3_playback_on(void)
{
    TRACE_ENTER();

    WRITE_REG(PM3VideoOverlayMode,
	      overlay_mode | PM3VideoOverlayMode_ENABLE);
    RAMDAC_SET_REG(PM3RD_VideoOverlayControl,
		   overlay_control | PM3RD_VideoOverlayControl_ENABLE);
    WRITE_REG(PM3VideoOverlayUpdate,
	      PM3VideoOverlayUpdate_ENABLE);

    TRACE_EXIT();
    return 0;
}

static int pm3_playback_off(void)
{
    RAMDAC_SET_REG(PM3RD_VideoOverlayControl,
		   PM3RD_VideoOverlayControl_DISABLE);
    WRITE_REG(PM3VideoOverlayMode,
	      PM3VideoOverlayMode_DISABLE);

    RAMDAC_SET_REG(PM3RD_VideoOverlayKeyR, 0x01);
    RAMDAC_SET_REG(PM3RD_VideoOverlayKeyG, 0x01);
    RAMDAC_SET_REG(PM3RD_VideoOverlayKeyB, 0xfe);

    return 0;
}

static int pm3_frame_select(unsigned int frame)
{
    WRITE_REG(PM3VideoOverlayBase0, frames[frame]);
    return 0;
}

VDXDriver pm3_drv = {
  "pm3",
  NULL,
  .probe = pm3_probe,
  .get_caps = pm3_get_caps,
  .query_fourcc = pm3_query_fourcc,
  .init = pm3_init,
  .destroy = pm3_destroy,
  .config_playback = pm3_config_playback,
  .playback_on = pm3_playback_on,
  .playback_off = pm3_playback_off,
  .frame_sel = pm3_frame_select,
};