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77 //<MStar Software>
78 ////////////////////////////////////////////////////////////////////////////////
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80 // Copyright (c) 2008-2009 MStar Semiconductor, Inc.
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92 ///////////////////////////////////////////////////////////////////////////////
93 #define _DRVBYTEDMA_C
94
95 ////////////////////////////////////////////////////////////////////////////////
96 /// file drvBDMA.c
97 /// @author MStar Semiconductor Inc.
98 /// @brief DRAM byte DMA control driver
99 ////////////////////////////////////////////////////////////////////////////////
100 //------------------------------------------------------------------------------
101 // Header Files
102 //------------------------------------------------------------------------------
103 #include "MsCommon.h"
104 #include "MsVersion.h"
105 #include "drvCLKM.h"
106 #include "drvclkm_io.h"
107 //#include "halclkm.h"
108 #include "drvMMIO.h"
109 #include "MsOS.h"
110 #include "asmCPU.h"
111 #include "halCHIP.h"
112 #include "utopia.h"
113 #include "drvSEM.h"
114 #include "MsTypes.h"
115 #include <stdio.h>
116 #include <string.h>
117 #include <errno.h>
118 #include <fcntl.h>
119 #include <sys/ioctl.h>
120
121 ////////////////////////////////////////////////////////////////////////////////
122 // Local defines & local structures
123 ////////////////////////////////////////////////////////////////////////////////
124
125 static CLKM_DbgLvl _gCLKMDbgLevel = E_CLKM_DBGLVL_ERROR;
126
127 #define CLKM_UTOPIA20 (1)
128
129 #define ERR_HANDLE (-1)
130 #define NOT_FOUND (-1)
131
132 #define SUCCESS_SET_SRC 0
133 #define ERR_NOT_FOUND_TABLE -1
134 #define ERR_NOT_SUPPORT_SRC -2
135
136 #define CLK_GATE_ENABLE 1
137 #define CLK_GATE_DISABLE 0
138
139
140 #define CLKM_DBG_FUNC() if (_gCLKMDbgLevel >= E_CLKM_DBGLVL_ALL) \
141 {MS_DEBUG_MSG(printf("\t==== %s ====\n", __FUNCTION__));}
142 #define CLKM_DBG_INFO(x, args...) if (_gCLKMDbgLevel >= E_CLKM_DBGLVL_INFO ) \
143 {MS_DEBUG_MSG(printf("[%s]: ", __FUNCTION__); printf(x, ##args));}
144 #define CLKM_DBG_ERR(x, args...) if (_gCLKMDbgLevel >= E_CLKM_DBGLVL_ERROR) \
145 {MS_DEBUG_MSG(printf("[%s]: ", __FUNCTION__); printf(x, ##args);)}
146 #define CLKM_DBG_WARN(x, args...) if (_gCLKMDbgLevel >= E_CLKM_DBGLVL_WARNING) \
147 {MS_DEBUG_MSG(printf("[%s]: ", __FUNCTION__); printf(x, ##args);)}
148
149 #define CLKM_OFFSET(x) ((x)<<1)
150
151 #define CHK_BIT(x, n) ( ((x) & (1<< (n)))!=0 )
152
153 #define CLKM_MUTEX_WAIT_TIME (5000)
154
155
156 static MSIF_Version _clkmVersion = {
157 .DDI = { CLKM_DRV_VERSION },
158 };
159
160 static CLKM_Info _gsInfo;
161
162 #define CLKM_MODULE_KERNAL_NAME "/dev/clkm"
163
Drv_Clkm_Init(void)164 MS_BOOL Drv_Clkm_Init(void)
165 {
166
167 MS_PHY u32BaseSize = 0;
168
169 if (_gsInfo.bInit)
170 {
171 return _gsInfo.bInit;
172 }
173
174 _gsInfo.s32Mutex = MsOS_CreateMutex(E_MSOS_FIFO, "Mutex CLKM", MSOS_PROCESS_SHARED);
175 MS_ASSERT(_gsInfo.s32Mutex >= 0);
176
177 _gsInfo.s32fd = open(CLKM_MODULE_KERNAL_NAME, O_RDWR);
178
179 if( _gsInfo.s32fd < 0)
180 {
181 CLKM_DBG_ERR("Fail to open CLKM Kernal Module!\n");
182 _gsInfo.bInit = FALSE;
183 return E_CLKM_FAIL;
184 }
185
186
187
188 _gsInfo.bInit = TRUE;
189
190
191 return true;
192 }
193
194
_Drv_CLKM_Is_Init(void)195 static MS_BOOL _Drv_CLKM_Is_Init(void)
196 {
197
198 if (!_gsInfo.bInit)
199 CLKM_DBG_ERR("Call Drv_Clkm_Init first!\n");
200 return _gsInfo.bInit;
201 }
202
203
Drv_CLKM_Exit()204 CLKM_Result Drv_CLKM_Exit()
205 {
206
207 if (!_gsInfo.bInit)
208 {
209 CLKM_DBG_INFO("CLKM not init!\n");
210 return E_CLKM_FAIL;
211 }
212
213 close(_gsInfo.s32fd);
214 MsOS_DeleteMutex(_gsInfo.s32Mutex);
215 _gsInfo.bInit = FALSE;
216
217 return E_CLKM_OK;
218
219
220 }
221
Drv_CLKM_GetLibVer(const MSIF_Version ** ppVersion)222 CLKM_Result Drv_CLKM_GetLibVer(const MSIF_Version **ppVersion)
223 {
224 // No mutex check, it can be called before Init
225 if (!ppVersion)
226 {
227 return E_CLKM_FAIL;
228 }
229
230 *ppVersion = &_clkmVersion;
231
232 return E_CLKM_OK;
233 }
234
235
236
237
Drv_Clkm_Get_Handle(char * name)238 MS_S32 Drv_Clkm_Get_Handle(char *name)
239 {
240
241 CLKM_GetHandle_PARAM gethndleparam;
242
243 MS_S32 s32Handle = ERR_HANDLE;
244
245 int iResult;
246
247 if (!_Drv_CLKM_Is_Init())
248 {
249 Drv_Clkm_Init();
250 }
251
252 if (FALSE == MsOS_ObtainMutex(_gsInfo.s32Mutex, CLKM_MUTEX_WAIT_TIME))
253 {
254 CLKM_DBG_ERR("%s ENTRY fails!\n", __FUNCTION__);
255 return E_CLKM_FAIL;
256 }
257
258 gethndleparam.s8_Handle_Name = name;
259
260 if(ioctl(_gsInfo.s32fd, CMD_CLKM_GET_HANDLE, &gethndleparam) < 0)
261 {
262 CLKM_DBG_ERR("[%s][%d] Fail!!!!\n",__FUNCTION__,__LINE__);
263
264 }
265
266 s32Handle = gethndleparam.s32_Handle;
267
268 MsOS_ReleaseMutex(_gsInfo.s32Mutex);
269
270 return s32Handle;
271 }
272
273
274
275
Drv_Clkm_Clk_Gate_Disable(MS_S32 s32Handle)276 void Drv_Clkm_Clk_Gate_Disable(MS_S32 s32Handle)
277 {
278
279
280 CLKM_CLK_GATE_DISABLE_PARAM clkgatedisable;
281
282 if (!_Drv_CLKM_Is_Init())
283 {
284 Drv_Clkm_Init();
285 }
286
287
288 if (FALSE == MsOS_ObtainMutex(_gsInfo.s32Mutex, CLKM_MUTEX_WAIT_TIME))
289 {
290 CLKM_DBG_ERR("%s ENTRY fails!\n", __FUNCTION__);
291 return E_CLKM_FAIL;
292 }
293
294 clkgatedisable.s32_Handle = s32Handle;
295
296 if(ioctl(_gsInfo.s32fd, CMD_CLKM_CLK_GATE_DISABLE, &clkgatedisable) <0 )
297 {
298 CLKM_DBG_ERR("[%s][%d] Fail!!!!\n",__FUNCTION__,__LINE__);
299 }
300
301 MsOS_ReleaseMutex(_gsInfo.s32Mutex);
302
303 }
304
305
Drv_Clkm_Set_Clk_Source(MS_S32 s32Handle,char * clk_src_name)306 void Drv_Clkm_Set_Clk_Source(MS_S32 s32Handle,char *clk_src_name)
307 {
308 MS_BOOL ret = TRUE;
309 char *s8_Src_Name;
310 MS_S32 src_offset;
311 s8_Src_Name = clk_src_name;
312 MS_U32 u32RegAddr;
313 CLKM_SET_CLK_SRC_PARAM setclksrcparam;
314
315 if (!_Drv_CLKM_Is_Init())
316 {
317 Drv_Clkm_Init();
318 }
319
320 if (FALSE == MsOS_ObtainMutex(_gsInfo.s32Mutex, CLKM_MUTEX_WAIT_TIME))
321 {
322 CLKM_DBG_ERR("%s ENTRY fails!\n", __FUNCTION__);
323 return E_CLKM_FAIL;
324 }
325
326 setclksrcparam.s32_Handle = s32Handle;
327 setclksrcparam.clk_src_name = clk_src_name;
328
329 if(ioctl(_gsInfo.s32fd, CMD_CLKM_SET_CLK_SOURCE, &setclksrcparam) < 0)
330 {
331 CLKM_DBG_ERR("[%s][%d] Fail!!!!\n",__FUNCTION__,__LINE__);
332 }
333
334
335 MsOS_ReleaseMutex(_gsInfo.s32Mutex);
336
337 return ret;
338 }
339
340
Drv_Get_Sram_Sd_Info(char * name)341 MS_U16 Drv_Get_Sram_Sd_Info(char* name)
342 {
343 /*
344 MS_U32 u32i;
345 sram_sd_table *ptr = sram_sd_param->sram_sd_table_array_ref;
346 sram_sd_table *p_sd_table = NULL;
347 MS_U32 u32_regaddr ;
348 MS_U16 u16Value;
349 MS_S8* s8tmpname = name;
350
351 if (!_Drv_CLKM_Is_Init())
352 {
353 Drv_Clkm_Init();
354 }
355
356
357 return u16Value;
358 */
359
360 return 0;
361
362 }
363
364
365