summaryrefslogtreecommitdiff
path: root/drivers/gpu/pvr/pdump/hostfunc.c
blob: 64b20cc37b8f8ec56fec901c03f21ff0ba3be883 (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
/**********************************************************************
 *
 * Copyright(c) 2008 Imagination Technologies Ltd. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful but, except
 * as otherwise stated in writing, 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
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * The full GNU General Public License is included in this distribution in
 * the file called "COPYING".
 *
 * Contact Information:
 * Imagination Technologies Ltd. <gpl-support@imgtec.com>
 * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
 *
 ******************************************************************************/

#include <linux/version.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/string.h>
#include <asm/page.h>
#include <linux/vmalloc.h>
#include <linux/mutex.h>
#include <linux/hardirq.h>
#include <linux/slab.h>

#if defined(SUPPORT_DBGDRV_EVENT_OBJECTS)
#include <linux/sched.h>
#include <linux/wait.h>
#include <linux/jiffies.h>
#include <linux/delay.h>
#endif

#include "img_types.h"
#include "pvr_debug.h"

#include "dbgdrvif.h"
#include "hostfunc.h"
#include "dbgdriv.h"

#if defined(DEBUG) && !defined(SUPPORT_DRI_DRM)
IMG_UINT32	gPVRDumpDebugLevel = (DBGPRIV_FATAL | DBGPRIV_ERROR | DBGPRIV_WARNING);

#define PVR_STRING_TERMINATOR		'\0'
#define PVR_IS_FILE_SEPARATOR(character) ( ((character) == '\\') || ((character) == '/') )

void PVRSRVDumpDebugPrintf	(
						IMG_UINT32	ui32DebugLevel,
						const IMG_CHAR*	pszFileName,
						IMG_UINT32	ui32Line,
						const IMG_CHAR*	pszFormat,
						...
					)
{
	IMG_BOOL bTrace;
#if !defined(__sh__)
	IMG_CHAR *pszLeafName;

	pszLeafName = (char *)strrchr (pszFileName, '\\');

	if (pszLeafName)
	{
		pszFileName = pszLeafName;
	}
#endif

	bTrace = (IMG_BOOL)(ui32DebugLevel & DBGPRIV_CALLTRACE) ? IMG_TRUE : IMG_FALSE;

	if (gPVRDumpDebugLevel & ui32DebugLevel)
	{
		va_list vaArgs;
		static char szBuffer[256];

		va_start (vaArgs, pszFormat);


		if (bTrace == IMG_FALSE)
		{
			switch(ui32DebugLevel)
			{
				case DBGPRIV_FATAL:
				{
					strcpy (szBuffer, "PVR_K:(Fatal): ");
					break;
				}
				case DBGPRIV_ERROR:
				{
					strcpy (szBuffer, "PVR_K:(Error): ");
					break;
				}
				case DBGPRIV_WARNING:
				{
					strcpy (szBuffer, "PVR_K:(Warning): ");
					break;
				}
				case DBGPRIV_MESSAGE:
				{
					strcpy (szBuffer, "PVR_K:(Message): ");
					break;
				}
				case DBGPRIV_VERBOSE:
				{
					strcpy (szBuffer, "PVR_K:(Verbose): ");
					break;
				}
				default:
				{
					strcpy (szBuffer, "PVR_K:(Unknown message level)");
					break;
				}
			}
		}
		else
		{
			strcpy (szBuffer, "PVR_K: ");
		}

		vsprintf (&szBuffer[strlen(szBuffer)], pszFormat, vaArgs);


		if (bTrace == IMG_FALSE)
		{
			sprintf (&szBuffer[strlen(szBuffer)], " [%d, %s]", (int)ui32Line, pszFileName);
		}

		printk(KERN_INFO "%s\r\n", szBuffer);

		va_end (vaArgs);
	}
}
#endif

IMG_VOID HostMemSet(IMG_VOID *pvDest, IMG_UINT8 ui8Value, IMG_UINT32 ui32Size)
{
	memset(pvDest, (int) ui8Value, (size_t) ui32Size);
}

IMG_VOID HostMemCopy(IMG_VOID *pvDst, IMG_VOID *pvSrc, IMG_UINT32 ui32Size)
{
#if defined(USE_UNOPTIMISED_MEMCPY)
    unsigned char *src,*dst;
    int i;

    src=(unsigned char *)pvSrc;
    dst=(unsigned char *)pvDst;
    for(i=0;i<ui32Size;i++)
    {
        dst[i]=src[i];
    }
#else
    memcpy(pvDst, pvSrc, ui32Size);
#endif
}

IMG_UINT32 HostReadRegistryDWORDFromString(char *pcKey, char *pcValueName, IMG_UINT32 *pui32Data)
{

	return 0;
}

IMG_VOID * HostPageablePageAlloc(IMG_UINT32 ui32Pages)
{
    return (void*)vmalloc(ui32Pages * PAGE_SIZE);
}

IMG_VOID HostPageablePageFree(IMG_VOID * pvBase)
{
    vfree(pvBase);
}

IMG_VOID * HostNonPageablePageAlloc(IMG_UINT32 ui32Pages)
{
    return (void*)vmalloc(ui32Pages * PAGE_SIZE);
}

IMG_VOID HostNonPageablePageFree(IMG_VOID * pvBase)
{
    vfree(pvBase);
}

IMG_VOID * HostMapKrnBufIntoUser(IMG_VOID * pvKrnAddr, IMG_UINT32 ui32Size, IMG_VOID **ppvMdl)
{

	return IMG_NULL;
}

IMG_VOID HostUnMapKrnBufFromUser(IMG_VOID * pvUserAddr, IMG_VOID * pvMdl, IMG_VOID * pvProcess)
{

}

IMG_VOID HostCreateRegDeclStreams(IMG_VOID)
{

}

IMG_VOID * HostCreateMutex(IMG_VOID)
{
	struct semaphore *psSem;

	psSem = kmalloc(sizeof(*psSem), GFP_KERNEL);
	if (psSem)
	{
		init_MUTEX(psSem);
	}

	return psSem;
}

IMG_VOID HostAquireMutex(IMG_VOID * pvMutex)
{
	BUG_ON(in_interrupt());

#if defined(PVR_DEBUG_DBGDRV_DETECT_HOST_MUTEX_COLLISIONS)
	if (down_trylock((struct semaphore *)pvMutex))
	{
		printk(KERN_INFO "HostAquireMutex: Waiting for mutex\n");
		down((struct semaphore *)pvMutex);
	}
#else
	down((struct semaphore *)pvMutex);
#endif
}

IMG_VOID HostReleaseMutex(IMG_VOID * pvMutex)
{
	up((struct semaphore *)pvMutex);
}

IMG_VOID HostDestroyMutex(IMG_VOID * pvMutex)
{
	if (pvMutex)
	{
		kfree(pvMutex);
	}
}

#if defined(SUPPORT_DBGDRV_EVENT_OBJECTS)

#define	EVENT_WAIT_TIMEOUT_MS	500
#define	EVENT_WAIT_TIMEOUT_JIFFIES	(EVENT_WAIT_TIMEOUT_MS * HZ / 1000)

static int iStreamData;
static wait_queue_head_t sStreamDataEvent;

IMG_INT32 HostCreateEventObjects(IMG_VOID)
{
	init_waitqueue_head(&sStreamDataEvent);

	return 0;
}

IMG_VOID HostWaitForEvent(DBG_EVENT eEvent)
{
	switch(eEvent)
	{
		case DBG_EVENT_STREAM_DATA:

			wait_event_interruptible_timeout(sStreamDataEvent, iStreamData != 0, EVENT_WAIT_TIMEOUT_JIFFIES);
			iStreamData = 0;
			break;
		default:

			msleep_interruptible(EVENT_WAIT_TIMEOUT_MS);
			break;
	}
}

IMG_VOID HostSignalEvent(DBG_EVENT eEvent)
{
	switch(eEvent)
	{
		case DBG_EVENT_STREAM_DATA:
			iStreamData = 1;
			wake_up_interruptible(&sStreamDataEvent);
			break;
		default:
			break;
	}
}

IMG_VOID HostDestroyEventObjects(IMG_VOID)
{
}
#endif