xref: /utopia/UTPA2-700.0.x/modules/hdmi/hal/maxim/cec/mhal_cec.c (revision 53ee8cc121a030b8d368113ac3e966b4705770ef)
1 //<MStar Software>
2 //******************************************************************************
3 // MStar Software
4 // Copyright (c) 2010 - 2012 MStar Semiconductor, Inc. All rights reserved.
5 // All software, firmware and related documentation herein ("MStar Software") are
6 // intellectual property of MStar Semiconductor, Inc. ("MStar") and protected by
7 // law, including, but not limited to, copyright law and international treaties.
8 // Any use, modification, reproduction, retransmission, or republication of all
9 // or part of MStar Software is expressly prohibited, unless prior written
10 // permission has been granted by MStar.
11 //
12 // By accessing, browsing and/or using MStar Software, you acknowledge that you
13 // have read, understood, and agree, to be bound by below terms ("Terms") and to
14 // comply with all applicable laws and regulations:
15 //
16 // 1. MStar shall retain any and all right, ownership and interest to MStar
17 //    Software and any modification/derivatives thereof.
18 //    No right, ownership, or interest to MStar Software and any
19 //    modification/derivatives thereof is transferred to you under Terms.
20 //
21 // 2. You understand that MStar Software might include, incorporate or be
22 //    supplied together with third party`s software and the use of MStar
23 //    Software may require additional licenses from third parties.
24 //    Therefore, you hereby agree it is your sole responsibility to separately
25 //    obtain any and all third party right and license necessary for your use of
26 //    such third party`s software.
27 //
28 // 3. MStar Software and any modification/derivatives thereof shall be deemed as
29 //    MStar`s confidential information and you agree to keep MStar`s
30 //    confidential information in strictest confidence and not disclose to any
31 //    third party.
32 //
33 // 4. MStar Software is provided on an "AS IS" basis without warranties of any
34 //    kind. Any warranties are hereby expressly disclaimed by MStar, including
35 //    without limitation, any warranties of merchantability, non-infringement of
36 //    intellectual property rights, fitness for a particular purpose, error free
37 //    and in conformity with any international standard.  You agree to waive any
38 //    claim against MStar for any loss, damage, cost or expense that you may
39 //    incur related to your use of MStar Software.
40 //    In no event shall MStar be liable for any direct, indirect, incidental or
41 //    consequential damages, including without limitation, lost of profit or
42 //    revenues, lost or damage of data, and unauthorized system use.
43 //    You agree that this Section 4 shall still apply without being affected
44 //    even if MStar Software has been modified by MStar in accordance with your
45 //    request or instruction for your use, except otherwise agreed by both
46 //    parties in writing.
47 //
48 // 5. If requested, MStar may from time to time provide technical supports or
49 //    services in relation with MStar Software to you for your use of
50 //    MStar Software in conjunction with your or your customer`s product
51 //    ("Services").
52 //    You understand and agree that, except otherwise agreed by both parties in
53 //    writing, Services are provided on an "AS IS" basis and the warranty
54 //    disclaimer set forth in Section 4 above shall apply.
55 //
56 // 6. Nothing contained herein shall be construed as by implication, estoppels
57 //    or otherwise:
58 //    (a) conferring any license or right to use MStar name, trademark, service
59 //        mark, symbol or any other identification;
60 //    (b) obligating MStar or any of its affiliates to furnish any person,
61 //        including without limitation, you and your customers, any assistance
62 //        of any kind whatsoever, or any information; or
63 //    (c) conferring any license or right under any intellectual property right.
64 //
65 // 7. These terms shall be governed by and construed in accordance with the laws
66 //    of Taiwan, R.O.C., excluding its conflict of law rules.
67 //    Any and all dispute arising out hereof or related hereto shall be finally
68 //    settled by arbitration referred to the Chinese Arbitration Association,
69 //    Taipei in accordance with the ROC Arbitration Law and the Arbitration
70 //    Rules of the Association by three (3) arbitrators appointed in accordance
71 //    with the said Rules.
72 //    The place of arbitration shall be in Taipei, Taiwan and the language shall
73 //    be English.
74 //    The arbitration award shall be final and binding to both parties.
75 //
76 //******************************************************************************
77 //<MStar Software>
78 ////////////////////////////////////////////////////////////////////////////////
79 //
80 // Copyright (c) 2008-2009 MStar Semiconductor, Inc.
81 // All rights reserved.
82 //
83 // Unless otherwise stipulated in writing, any and all information contained
84 // herein regardless in any format shall remain the sole proprietary of
85 // MStar Semiconductor Inc. and be kept in strict confidence
86 // ("MStar Confidential Information") by the recipient.
87 // Any unauthorized act including without limitation unauthorized disclosure,
88 // copying, use, reproduction, sale, distribution, modification, disassembling,
89 // reverse engineering and compiling of the contents of MStar Confidential
90 // Information is unlawful and strictly prohibited. MStar hereby reserves the
91 // rights to any and all damages, losses, costs and expenses resulting therefrom.
92 //
93 // File Name: mhal_CEC.c
94 // Description: For CEC functions.
95 ////////////////////////////////////////////////////////////////////////////////
96 
97 
98 #define _MHAL_CEC_C_
99 
100 #ifdef MSOS_TYPE_LINUX_KERNEL
101 #include <linux/string.h>
102 #else
103 #include "string.h"
104 #endif
105 #include "MsCommon.h"
106 #include "cec_hwreg_utility2.h"
107 #include "cec_Analog_Reg.h"
108 #include "MsOS.h"
109 #include "apiCEC.h"
110 #include "MsIRQ.h"
111 #include "mhal_CEC.h"
112 #include "asmCPU.h"
113 
114 MS_VIRT CEC_RIU_BASE;
115 
116 #define PM_REG_WRITE    MDrv_WriteByte
117 #define PM_REG_READ     MDrv_ReadByte
118 
119 
120 #define MST_XTAL_CLOCK_HZ   (12000000UL)    /* Temp define */
121 
122 #define _NOP_                       MAsm_CPU_Nop();
123 
124 #if(defined(CONFIG_MLOG))
125 #include "ULog.h"
126 
127 #define MHAL_CEC_MSG_INFO(format, args...)       //ULOGI("CEC", format, ##args)
128 #define MHAL_CEC_MSG_WARNING(format, args...)    ULOGW("CEC", format, ##args)
129 #define MHAL_CEC_MSG_DEBUG(format, args...)      ULOGD("CEC", format, ##args)
130 #define MHAL_CEC_MSG_ERROR(format, args...)      ULOGE("CEC", format, ##args)
131 #define MHAL_CEC_MSG_FATAL(format, args...)      ULOGF("CEC", format, ##args)
132 
133 #else
134 #define MHAL_CEC_MSG_INFO(format, args...)       //printf(format, ##args)
135 #define MHAL_CEC_MSG_WARNING(format, args...)    printf(format, ##args)
136 #define MHAL_CEC_MSG_DEBUG(format, args...)      printf(format, ##args)
137 #define MHAL_CEC_MSG_ERROR(format, args...)      printf(format, ##args)
138 #define MHAL_CEC_MSG_FATAL(format, args...)      printf(format, ##args)
139 
140 #endif
141 
mhal_CEC_PortSelect(MsCEC_INPUT_PORT InputPort)142 void mhal_CEC_PortSelect(MsCEC_INPUT_PORT InputPort)
143 {
144 
145 }
146 
mhal_CEC_init_riu_base(MS_VIRT u32riu_base,MS_VIRT u32PMriu_base)147 void mhal_CEC_init_riu_base(MS_VIRT u32riu_base, MS_VIRT u32PMriu_base)
148 {
149     CEC_RIU_BASE = u32PMriu_base;
150 }
151 
152 
mhal_CEC_HeaderSwap(MS_U8 value)153 MS_U8 mhal_CEC_HeaderSwap(MS_U8 value)
154 {
155     return(((value&0x0f)<<4)+((value&0xf0)>>4));
156 }
157 
mhal_CEC_SendFrame(MS_U8 header,MS_U8 opcode,MS_U8 * operand,MS_U8 len)158 MS_U8 mhal_CEC_SendFrame(MS_U8 header, MS_U8 opcode, MS_U8* operand, MS_U8 len)
159 {
160     MS_U8 i, cnt, *ptr, res;
161     MS_U8 u8waitcnt;
162 
163      // clear CEC TX INT status
164     PM_REG_WRITE(H_BK_CEC(0x12), 0x0E);
165     PM_REG_WRITE(H_BK_CEC(0x12), 0x00);
166     PM_REG_WRITE( L_BK_CEC(0x18), header );
167     PM_REG_WRITE( H_BK_CEC(0x18), opcode );
168 
169     MHAL_CEC_MSG_INFO("\r\n/********  CEC Tx **********/\r\n");
170     MHAL_CEC_MSG_INFO("CEC Tx FIFO= 0x%x", (MS_U8)header);
171     MHAL_CEC_MSG_INFO(" 0x%x", (MS_U8)opcode);
172 
173     if(len > 0)
174     {
175         ptr=operand;
176         for(i=0;i<len;i++)
177         {
178             PM_REG_WRITE( L_BK_CEC(0x19)+i , *(ptr+i) );
179             MHAL_CEC_MSG_INFO(" 0x%x", *(operand+i));
180         }
181         MHAL_CEC_MSG_INFO("\r\n/**************************/\r\n");
182     }
183 
184     if((PM_REG_READ(L_BK_CEC(0x05))== 1) && (PM_REG_READ(H_BK_CEC(0x05))== 0)) // CEC idle
185     {
186         MHAL_CEC_MSG_INFO("*** CEC idle!!! ***\n");
187 
188         // CEC transmit length
189         //if((opcode==0x00)&&(operand==NULL)&&(len==0))
190         if((opcode==0x00)&&(len==0))
191         {
192             PM_REG_WRITE(L_BK_CEC(0x00), 0);                   //polling message
193             u8waitcnt = 5;
194         }
195         else
196         {
197             PM_REG_WRITE(L_BK_CEC(0x00), (len+1));
198             u8waitcnt = 4 * (len+2);
199         }
200 
201     //The total time,
202     //(1). successful, 4.5 ms + 10 * 2.4 ms * N = 4.5 ms + 24 * N
203     //              = 28.5 ms (1), or 52.5 ms (2), ....
204     //(2). NAK,        (4.5 ms + 10 * 2.4 ms) * 1 + (4.5 ms + 10 * 2.4 ms +7.2 ms(3 bit time)) * retry (3)
205     //              = 28.5 + 35.2 * 3 = 133.6 ms
206 
207         cnt=0;
208         MsOS_DelayTask(20);
209 
210         do
211         {
212             MsOS_DelayTask(10);
213             if(cnt++>=u8waitcnt)
214                 break;
215         } while((PM_REG_READ(H_BK_CEC(0x11))&0x0E)==0);
216         res = (PM_REG_READ(H_BK_CEC(0x11))&0x0E);
217 
218         if(cnt>=u8waitcnt)
219             res |= E_CEC_SYSTEM_BUSY;
220 
221          // clear CEC TX INT status
222         PM_REG_WRITE(H_BK_CEC(0x12), 0x0E);
223         PM_REG_WRITE(H_BK_CEC(0x12), 0x00);
224     }
225     else
226     {
227         MHAL_CEC_MSG_INFO("*** system busy!!! ***\n");
228 
229         res = E_CEC_SYSTEM_BUSY;
230     }
231 
232     return res;
233 }
234 
mhal_CEC_SendFramex(MS_U8 header,MS_U8 opcode,MS_U8 * operand,MS_U8 len)235 MS_U8 mhal_CEC_SendFramex(MS_U8 header, MS_U8 opcode, MS_U8* operand, MS_U8 len)
236 {
237     MS_U8 i, cnt, *ptr, res;
238     MS_U8 u8waitcnt;
239     volatile MS_U16 k, m;
240      // clear CEC TX INT status
241     PM_REG_WRITE(H_BK_CEC(0x12), 0x0E);
242     PM_REG_WRITE(H_BK_CEC(0x12), 0x00);
243     PM_REG_WRITE( L_BK_CEC(0x18), header );
244     PM_REG_WRITE( H_BK_CEC(0x18), opcode );
245 
246     MHAL_CEC_MSG_INFO("\r\n/********  CEC Tx **********/\r\n");
247     MHAL_CEC_MSG_INFO("CEC Tx FIFO= 0x%x", (MS_U8)header);
248     MHAL_CEC_MSG_INFO(" 0x%x", (MS_U8)opcode);
249 
250     if(len > 0)
251     {
252         ptr=operand;
253         for(i=0;i<len;i++)
254         {
255             PM_REG_WRITE( L_BK_CEC(0x19)+i , *(ptr+i) );
256             MHAL_CEC_MSG_INFO(" 0x%x", *(operand+i));
257         }
258         MHAL_CEC_MSG_INFO("\r\n/**************************/\r\n");
259     }
260 
261     if((PM_REG_READ(L_BK_CEC(0x05))== 1) && (PM_REG_READ(H_BK_CEC(0x05))== 0)) // CEC idle
262     {
263         MHAL_CEC_MSG_INFO("*** CEC idle!!! ***\n");
264 
265         // CEC transmit length
266         //if((opcode==0x00)&&(operand==NULL)&&(len==0))
267         if((opcode==0x00)&&(len==0))
268         {
269             PM_REG_WRITE(L_BK_CEC(0x00), 0);                   //polling message
270             u8waitcnt = 5;
271         }
272         else
273         {
274             PM_REG_WRITE(L_BK_CEC(0x00), (len+1));
275             u8waitcnt = 30;
276         }
277 
278     //The total time,
279     //(1). successful, 4.5 ms + 10 * 2.4 ms * N = 4.5 ms + 24 * N
280     //              = 28.5 ms (1), or 52.5 ms (2), ....
281     //(2). NAK,        (4.5 ms + 10 * 2.4 ms) * 1 + (4.5 ms + 10 * 2.4 ms +7.2 ms(3 bit time)) * retry (3)
282     //              = 28.5 + 35.2 * 3 = 133.6 ms
283 
284 
285         cnt=0;
286         //MsOS_DelayTask(20);
287         for(k = 0; k< 20000; k++)
288         {
289             _NOP_
290             _NOP_
291             _NOP_
292         }
293 
294 
295         do
296         {
297             //MsOS_DelayTask(10);
298             for(k = 0; k< 20000; k++)
299             {
300                 for(m=0;m<50;m++)
301                 {
302                     _NOP_
303                     _NOP_
304                     _NOP_
305                     _NOP_
306                     _NOP_
307                 }
308             }
309             if(cnt++>=u8waitcnt)
310                 break;
311         } while((PM_REG_READ(H_BK_CEC(0x11))&0x0E)==0);
312 
313         res = (PM_REG_READ(H_BK_CEC(0x11))&0x0E);
314 
315         if(cnt>=u8waitcnt)
316             res |= E_CEC_SYSTEM_BUSY;
317 
318          // clear CEC TX INT status
319         PM_REG_WRITE(H_BK_CEC(0x12), 0x0E);
320         PM_REG_WRITE(H_BK_CEC(0x12), 0x00);
321     }
322     else
323     {
324         MHAL_CEC_MSG_INFO("*** system busy!!! ***\n");
325 
326         res = E_CEC_SYSTEM_BUSY;
327     }
328 
329     return res;
330 }
331 
332 
mhal_CEC_SetMyAddress(MS_U8 mylogicaladdress)333 void mhal_CEC_SetMyAddress(MS_U8 mylogicaladdress)
334 {
335     PM_REG_WRITE(L_BK_CEC(0x02), (PM_REG_READ(L_BK_CEC(0x02)) & 0x0F) |(mylogicaladdress<<4));
336 }
337 
mhal_CEC_INTEn(MS_BOOL bflag)338 void mhal_CEC_INTEn(MS_BOOL bflag)
339 {
340     if(bflag) // unmask
341         PM_REG_WRITE(L_BK_CEC(0x13), 0x1E);  //REG_HDMI_INT_MASK
342 
343     else // Mask CEC interrupt
344 #if ENABLE_CEC_MULTIPLE
345         PM_REG_WRITE(L_BK_CEC(0x13), 0x7F);  //REG_HDMI_INT_MASK
346 #else
347         PM_REG_WRITE(L_BK_CEC(0x13), 0x1F);  //REG_HDMI_INT_MASK
348 #endif
349 
350 }
351 
352 
mhal_CEC_Init(MS_U32 u32XTAL_CLK_Hz,MsCEC_DEVICELA DeviceLA,MS_U8 ucRetryCnt)353 void mhal_CEC_Init(MS_U32 u32XTAL_CLK_Hz, MsCEC_DEVICELA DeviceLA, MS_U8 ucRetryCnt)
354 {
355     MS_U16 reg_val0, reg_val1;
356 
357 #if ENABLE_CEC_INT
358 
359     // CEC irq clear
360     PM_REG_WRITE(H_BK_CEC(0x12), 0x1F);
361     PM_REG_WRITE(H_BK_CEC(0x12), 0x00);
362     // CEC irq mask control -only enable CEC rx irq
363     PM_REG_WRITE(L_BK_CEC(0x13), 0x1E);
364     // CEC interrupt mask for PM/normal function
365     PM_REG_WRITE(L_BK_CEC(0x30), 0x08); // 11_30[3] = 1 Interrupt clear type select (Level), clear by itself
366 
367 #endif
368 
369     PM_REG_WRITE(L_BK_CEC(0x14),0x01); // [1]: clock source from Xtal;[0]: Power down CEC controller select
370     PM_REG_WRITE(H_BK_CEC(0x03),PM_REG_READ(H_BK_CEC(0x03))&(~ BIT(4))); // [4]: Standby mode;
371     PM_REG_WRITE(H_BK_CEC(0x00),0x10|ucRetryCnt); // retry times
372     PM_REG_WRITE(L_BK_CEC(0x01),0x80); // [5]:CEC clock no gate; [7]: Enable CEC controller
373     PM_REG_WRITE(H_BK_CEC(0x01),(BusFreeTime<<4)|(ReTxInterval)); // CNT1=ReTxInterval; CNT2=BusFreeTime;
374     PM_REG_WRITE(L_BK_CEC(0x02),(DeviceLA<<4)|(FrameInterval)); // CNT3=FrameInterval; [7:4]=logical address: TV
375 #if ENABLE_CEC_MULTIPLE
376     PM_REG_WRITE(L_BK_CEC(0x30),PM_REG_READ(L_BK_CEC(0x30))|BIT(0)); // enable CEC multiple function
377 #endif
378     //reg_val0=(u32XTAL_CLK_Hz%100000l)*0.00016+0.5;
379     reg_val0=((u32XTAL_CLK_Hz%100000UL)*160+500000UL)/1000000UL;
380 
381     PM_REG_WRITE(H_BK_CEC(0x02),(u32XTAL_CLK_Hz/100000UL)); // CEC time unit by Xtal(integer)
382     reg_val1 = PM_REG_READ(L_BK_CEC(0x03));
383     PM_REG_WRITE(L_BK_CEC(0x03), ((reg_val1 & 0xF0) | reg_val0)); // CEC time unit by Xtal(fractional)
384 
385     PM_REG_WRITE(L_BK_CEC(0x11), 0xFF); // clear CEC status
386 
387 
388 }
389 
mhal_CEC_IsMessageReceived(void)390 MS_BOOL mhal_CEC_IsMessageReceived(void)
391 {
392     return (PM_REG_READ(H_BK_CEC(0x11))& 0x01 ? TRUE : FALSE);
393 }
394 
mhal_CEC_ReceivedMessageLen(void)395 MS_U8 mhal_CEC_ReceivedMessageLen(void)
396 {
397     return ((PM_REG_READ(L_BK_CEC(0x04)) & 0x1F) + 1);
398 }
399 
mhal_CEC_GetMessageByte(MS_U8 idx)400 MS_U8 mhal_CEC_GetMessageByte(MS_U8 idx)
401 {
402     return (PM_REG_READ(L_BK_CEC(0x20) + idx));
403 }
404 
mhal_CEC_ClearRxStatus(void)405 void mhal_CEC_ClearRxStatus(void)
406 {
407     // clear RX INT status
408     PM_REG_WRITE(H_BK_CEC(0x12), 0x11);
409     PM_REG_WRITE(H_BK_CEC(0x12), 0x00);
410     // clear RX NACK status
411     PM_REG_WRITE(L_BK_CEC(0x11), 0xFF);
412 }
413 
414 /***************************************************************************************/
415 /// config cec wake up
416 /***************************************************************************************/
417 
mhal_CEC_ConfigWakeUp(MS_U8 ucRetryCount,MS_U8 * ucVendorID,MS_U32 u32XTAL_CLK_Hz,MS_U8 * ucPA,MsCEC_DEVICE_TYPE eType,MS_BOOL bIsSrc)418 void mhal_CEC_ConfigWakeUp(MS_U8 ucRetryCount, MS_U8* ucVendorID, MS_U32 u32XTAL_CLK_Hz, MS_U8* ucPA, MsCEC_DEVICE_TYPE eType, MS_BOOL bIsSrc)
419 {
420     MS_U16 reg_val0, reg_val1;
421     MHAL_CEC_MSG_INFO("\r\n Here do the PM config cec wakeup \r\n");
422 
423     //XBYTE[0x250C] &= ~BIT0;
424     MDrv_WriteByte( REG_COMBO_PHY0_P0_0C_H, MDrv_ReadByte(REG_COMBO_PHY0_P0_0C_H) &(~ BIT(4)));
425 
426 
427     //(1) enable chiptop clk_mcu & clk_pram
428   #if 0
429     XBYTE[0x0E00] = 0x03;
430     //enable PM_Sleep's clk_mcu and _pram
431     Drv_WriteByte(L_BK_PMSLP(0x00), 0x03);
432     XBYTE[0x0E01] = 0x0F;
433     //0x0C; Ken 20080916 for calibration to 1Mz
434     MDrv_WriteByte(H_BK_PMSLP(0x00), 0x0F);
435   #endif
436 
437 
438     //(2) HDMI CEC settings
439     PM_REG_WRITE(H_BK_CEC(0x00),0x10|ucRetryCount); // retry times
440     PM_REG_WRITE(L_BK_CEC(0x01),0x80); // [5]:CEC clock no gate; [7]: Enable CEC controller
441     PM_REG_WRITE(H_BK_CEC(0x01),(BusFreeTime<<4)|(ReTxInterval)); // CNT1=ReTxInterval; CNT2=BusFreeTime;
442     //PM_REG_WRITE(L_BK_CEC(0x02),0x07); // CNT3=7; logical address: TV
443 
444     //reg_val0=(MST_XTAL_CLOCK_HZ%100000l)*0.00016+0.5;
445     reg_val0=((u32XTAL_CLK_Hz%100000UL)*160+500000UL)/1000000UL;
446 
447     PM_REG_WRITE(H_BK_CEC(0x02),(u32XTAL_CLK_Hz/100000l)); // CEC time unit by Xtal(integer)
448 
449     reg_val1 = PM_REG_READ(L_BK_CEC(0x03));
450     PM_REG_WRITE(L_BK_CEC(0x03), ((reg_val1 & 0xF0) | reg_val0)); // CEC time unit by Xtal(fractional)
451 
452 
453     //(3) PM Sleep: wakeup enable sources
454     //PM_REG_WRITE(L_BK_PMMCU(0x00),0x01); // reg_cec_enw
455 
456 
457     //(4) PM CEC power down controller settings
458     // Mask CEC interrupt in standby mode
459     PM_REG_WRITE(L_BK_CEC(0x13),0xFF);
460     // select power down SW CEC controller
461     PM_REG_WRITE(L_BK_CEC(0x14),0x01); // [1]: clock source from Xtal;[0]: Power down CEC controller select
462     PM_REG_WRITE(L_BK_CEC(0x01),0x00); // [5]:CEC clock no gate; [7]: Disable CEC controller
463     PM_REG_WRITE(L_BK_CEC(0x01),0x80); // [5]:CEC clock no gate; [7]: Enable CEC controller
464 #if 0//ENABLE_SW_CEC_WAKEUP
465     PM_REG_WRITE(H_BK_CEC(0x03),PM_REG_READ(H_BK_CEC(0x03))&(~ BIT(4))); // [4]: Standby mode;
466 #else
467     PM_REG_WRITE(H_BK_CEC(0x03),PM_REG_READ(H_BK_CEC(0x03))|(BIT(4))); // [4]: sleep mode;
468 #endif
469 
470     if(bIsSrc) // STB
471     {
472         //(5) PM CEC wakeup opcode settings
473         // OPCODE0: N/A
474         // OPCODE1: N/A
475         // OPCODE2: 0x44 0x40(Power)
476         //          0x44 0x6D(Power ON Function)
477         // OPCODE3: N/A
478         // OPCODE4: 0x86(Set stream path)
479         PM_REG_WRITE(L_BK_CEC(0x07), 0x34); // Enable OP2 and OP4
480         PM_REG_WRITE(H_BK_CEC(0x07), 0x24); // Eanble OPCODE2's operand
481 
482         PM_REG_WRITE(L_BK_CEC(0x09), E_MSG_UI_PRESS);           // OPCODE2: User Control Pressed
483         PM_REG_WRITE(H_BK_CEC(0x0B), E_MSG_UI_POWER);           // OPCODE2 operand: Power
484         PM_REG_WRITE(L_BK_CEC(0x0C), E_MSG_UI_POWER_ON_FUN);    // OPCODE2 operand: Power ON Function
485 
486         PM_REG_WRITE(L_BK_CEC(0x0A), E_MSG_RC_SET_STREM_PATH);  // OPCODE4: Set stream path
487 
488         // [2:0]: CEC version 1.4; [7]: OP4 is broadcast message
489         PM_REG_WRITE(H_BK_CEC(0x0D), 0x80 | HDMI_CEC_VERSION);
490 
491 
492         //(6) Device(TV) Vendor ID for customer (Big Endian)
493         // It depends end-customer's vendor ID
494         MHAL_CEC_MSG_INFO("!!!!!!!!!!!!!!!!!!!Change this Vendor ID according to customer!!!!!!!!!!!!!!!!\n");
495         PM_REG_WRITE(L_BK_CEC(0x0F), ucVendorID[0]); // Device Vendor ID
496         PM_REG_WRITE(H_BK_CEC(0x0F), ucVendorID[1]); // Device Vendor ID
497         PM_REG_WRITE(L_BK_CEC(0x10), ucVendorID[2]); // Device Vendor ID
498 
499         // ignore messages sent from initiator LA = 0xF when sleep mode
500         // [10:8]: Feature abort reason - "Not in correct mode to respond"
501         PM_REG_WRITE(H_BK_CEC(0x10), BIT(7)|(0xF<<3)|E_MSG_AR_CANNOTRESPOND ); // pm_CEC_10[14:11]: reg_ignor_addr_sw; [15]: reg_ignor_enb_sw
502 
503 
504         //(7) Device Physical address: default is 0x00 0x00 0x00
505         PM_REG_WRITE(L_BK_CEC(0x0E), ucPA[0]); // Physical address
506         PM_REG_WRITE(H_BK_CEC(0x0E), ucPA[1]); // Physical address
507         PM_REG_WRITE(H_BK_CEC(0x14), eType & 0xFF); // Device type
508     }
509     else // TV
510     {
511         PM_REG_WRITE(L_BK_CEC(0x02),0x07); // CNT3=7; logical address: TV
512 
513         //(5) PM CEC wakeup opcode settings
514         // OPCODE0: 0x04(Image view on)
515         // OPCODE1: 0x0D(Text view on)
516         // OPCODE2: 0x44 0x40(Power)
517         //          0x44 0x6D(Power ON Function)
518         // OPCODE3: N/A
519         // OPCODE4: 0x82(Active source) length = 2 (HDMI2.0 removed)
520         PM_REG_WRITE(L_BK_CEC(0x07), 0x27); // pm_CEC_07[4:0]: Enable OP0~2, disable OP3~4; [5]: OP2 second operand enable
521         PM_REG_WRITE(H_BK_CEC(0x07), 0x04); // pm_CEC_07[11:8]: Eanble OP2 operand; [15:12]: disable OP4 length
522 
523         PM_REG_WRITE(L_BK_CEC(0x08), E_MSG_OTP_IMAGE_VIEW_ON);  // OPCODE0: Image View On
524         PM_REG_WRITE(H_BK_CEC(0x08), E_MSG_OTP_TEXT_VIEW_ON);   // OPCODE1: Text View ON
525 
526         PM_REG_WRITE(L_BK_CEC(0x09), E_MSG_UI_PRESS);           // OPCODE2: User Control Pressed
527         PM_REG_WRITE(H_BK_CEC(0x0B), E_MSG_UI_POWER);           // OPCODE2 operand: Power
528         PM_REG_WRITE(L_BK_CEC(0x0C), E_MSG_UI_POWER_ON_FUN);    // OPCODE2 operand: Power ON Function
529 
530         //PM_REG_WRITE(L_BK_CEC(0x0A), E_MSG_ACTIVE_SOURCE);      // OPCODE4: Active source (HDMI2.0 removed)
531 
532         // [2:0]: CEC version 1.4; [7]: OP4 is broadcast message
533         PM_REG_WRITE(H_BK_CEC(0x0D), 0x80 | HDMI_CEC_VERSION);
534 
535 
536         //(6) Device(TV) Vendor ID for customer (Big Endian)
537         // It depends end-customer's vendor ID
538         MHAL_CEC_MSG_INFO("!!!!!!!!!!!!!!!!!!!Change this Vendor ID according to customer!!!!!!!!!!!!!!!!\n");
539         PM_REG_WRITE(L_BK_CEC(0x0F), ucVendorID[0]); // Device Vendor ID
540         PM_REG_WRITE(H_BK_CEC(0x0F), ucVendorID[1]); // Device Vendor ID
541         PM_REG_WRITE(L_BK_CEC(0x10), ucVendorID[2]); // Device Vendor ID
542 
543         // ignore messages sent from initiator LA = 0xF when sleep mode
544         // [10:8]: Feature abort reason - "Not in correct mode to respond"
545         PM_REG_WRITE(H_BK_CEC(0x10), BIT(7)|(0xF<<3)|E_MSG_AR_CANNOTRESPOND ); // pm_CEC_10[14:11]: reg_ignor_addr_sw; [15]: reg_ignor_enb_sw
546 
547 
548         //(7) Device Physical address: default is 0x00 0x00 0x00
549         PM_REG_WRITE(L_BK_CEC(0x0E), 0x00); // Physical address 0.0
550         PM_REG_WRITE(H_BK_CEC(0x0E), 0x00); // Physical address 0.0
551         PM_REG_WRITE(H_BK_CEC(0x14), 0x00); // Device type: TV
552     }
553 
554 
555     //(8) Clear CEC status
556     PM_REG_WRITE(L_BK_CEC(0x11), 0xFF); // Clear CEC wakeup status
557     PM_REG_WRITE(H_BK_CEC(0x12), 0x1F); // Clear RX/TX/RF/LA/NACK status status
558     PM_REG_WRITE(H_BK_CEC(0x12), 0x00);
559 }
560 
mhal_CEC_Enabled(MS_BOOL bEnableFlag)561 void mhal_CEC_Enabled(MS_BOOL bEnableFlag)
562 {
563     if(bEnableFlag)
564         PM_REG_WRITE(L_BK_CEC(0x01),0x80); //Enable PM CEC controller
565     else
566         PM_REG_WRITE(L_BK_CEC(0x01),0x00); //Disable PM CEC controller
567 }
568 
mhal_CEC_TxStatus(void)569 MS_U8 mhal_CEC_TxStatus(void)
570 {
571     return (PM_REG_READ(H_BK_CEC(0x11))&0x0E);
572 }
573 
mhal_CEC_Device_Is_Tx(void)574 MS_BOOL mhal_CEC_Device_Is_Tx(void)
575 {
576     return CEC_DEVICE_IS_SOURCE;
577 }
mhal_CEC_SetRetryCount(MS_U8 ucRetryCount)578 void mhal_CEC_SetRetryCount(MS_U8 ucRetryCount)
579 {
580     PM_REG_WRITE(H_BK_CEC(0x00),ucRetryCount|(PM_REG_READ(H_BK_CEC(0x00))& 0xF8)); // retry times
581 }
582 
583 #if ENABLE_CEC_MULTIPLE
mhal_CEC_SetMyAddress2(MS_U8 mylogicaladdress)584 void mhal_CEC_SetMyAddress2(MS_U8 mylogicaladdress)
585 {
586     PM_REG_WRITE(H_BK_CEC(0x30), (PM_REG_READ(H_BK_CEC(0x30)) & 0xF0) |(mylogicaladdress));
587 }
588 
mhal_CEC_IsMessageReceived2(void)589 MS_BOOL mhal_CEC_IsMessageReceived2(void)
590 {
591     return (PM_REG_READ(H_BK_CEC(0x11))& 0x20 ? TRUE : FALSE);
592 }
593 
mhal_CEC_ReceivedMessageLen2(void)594 MS_U8 mhal_CEC_ReceivedMessageLen2(void)
595 {
596     return ((PM_REG_READ(L_BK_CEC(0x31)) & 0x1F) + 1);
597 }
598 
mhal_CEC_GetMessageByte2(MS_U8 idx)599 MS_U8 mhal_CEC_GetMessageByte2(MS_U8 idx)
600 {
601     return (PM_REG_READ(L_BK_CEC(0x28) + idx));
602 }
603 
mhal_CEC_ClearRxStatus2(void)604 void mhal_CEC_ClearRxStatus2(void)
605 {
606     // clear RX INT status
607     PM_REG_WRITE(H_BK_CEC(0x12), 0x60);
608     PM_REG_WRITE(H_BK_CEC(0x12), 0x00);
609     // clear RX NACK status
610     PM_REG_WRITE(L_BK_CEC(0x11), 0xFF);
611 }
612 #endif
613 
614 
615