FreeCalypso > hg > fc-tourmaline
annotate src/gpf/osl/os_drv.c @ 214:adfdbcd360fd
backlight evolution: API between Condat driver and MFW
With this change, the API between the Condat backlight driver
and its user in MFW now carries more abstract backlight state codes
(fully off, fully on, in call, charging boot mode) instead of
0-255 levels. This change is needed in order to more properly support
different hardware targets with different capabilities and approaches
in terms of backlight handling.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 23 Apr 2021 23:52:02 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
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src/{condat,cs,gpf,nucleus}: import from Selenite
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1 /* |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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2 * This C module is a reconstruction based on the disassembly of |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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3 * os_drv.obj in frame_na7_db_fl.lib from the Leonardo package. |
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4 */ |
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5 |
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6 /* set of included headers from COFF symtab: */ |
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7 #include "nucleus.h" |
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8 #include "typedefs.h" |
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9 #include "gdi.h" |
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10 #include "os.h" |
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11 |
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12 typedef unsigned char u_char; |
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13 |
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14 extern OS_HANDLE os_ext_pool_handle; |
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15 |
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16 static u_char *HISR_Stack; |
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17 static T_DRV_SIGNAL *SignalID; |
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18 static void (*DrvCallback)(T_DRV_SIGNAL *); |
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19 static NU_HISR CallBack_HISR; |
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20 |
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21 #define CB_HISR_STACK_SIZE 1024 |
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22 |
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23 GLOBAL LONG |
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24 os_ExecuteCallback(OS_HANDLE Caller, void (*Callback)(T_DRV_SIGNAL *), |
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25 T_DRV_SIGNAL *Signal) |
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26 { |
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27 DrvCallback = Callback; |
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28 SignalID = Signal; |
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29 NU_Activate_HISR(&CallBack_HISR); |
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30 return(OS_OK); |
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31 } |
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32 |
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33 static void |
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34 CallbackFunc(void) |
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35 { |
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36 DrvCallback(SignalID); |
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37 } |
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38 |
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39 GLOBAL LONG |
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40 os_CreateCallback(void) |
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41 { |
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42 if (os_AllocateMemory(OS_NOTASK, (T_VOID_STRUCT **) &HISR_Stack, |
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43 CB_HISR_STACK_SIZE, 0xFFFFFFFF, |
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44 os_ext_pool_handle) == OS_ERROR) |
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45 return(OS_ERROR); |
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46 if (NU_Create_HISR(&CallBack_HISR, "CB_HISR", CallbackFunc, 2, |
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47 HISR_Stack, CB_HISR_STACK_SIZE) == NU_SUCCESS) |
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48 return(OS_OK); |
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49 else |
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50 return(OS_ERROR); |
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51 } |