FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/L1/cust0/pirelli.c @ 1032:6e7dd5e52650
gsm-fw feature tch-reroute: B_PLAY_UL (uplink substitution) bug fixed
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 01 Jun 2016 01:24:15 +0000 |
parents | 452a4aea3fc5 |
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1 /* |
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2 * This module is a FreeCalypso addition. Here we implement |
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3 * retrieval of Pirelli's factory calibration and IMEI records |
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4 * from their factory data block. |
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5 */ |
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6 |
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7 #include <string.h> |
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8 #include "config.h" |
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9 #include "sys_types.h" |
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10 #include "../../services/ffs/ffs.h" |
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11 #include "../../services/ffs/core.h" /* for ffs_begin() and ffs_end() */ |
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12 |
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13 #define FACTORY_BLOCK_BASE_ADDR 0x027F0000 |
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14 |
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15 static effs_t |
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16 pirelli_chksum(uint8 *addr, T_FFS_SIZE size) |
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17 { |
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18 uint8 accum = 0; |
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19 |
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20 for (; size; size--) |
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21 accum += *addr++; |
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22 if (accum == *addr) |
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23 return EFFS_OK; |
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24 else |
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25 return EFFS_CORRUPTED; |
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26 } |
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27 |
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28 pirelli_read_factory_record(uint32 offset, void *userbuf, T_FFS_SIZE size, |
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29 int has_chksum) |
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30 { |
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31 effs_t rc; |
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32 uint8 *flash_record = (uint8 *) FACTORY_BLOCK_BASE_ADDR + offset; |
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33 |
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34 rc = ffs_begin(); |
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35 if (rc != EFFS_OK) |
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36 return(rc); |
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37 if (has_chksum) |
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38 rc = pirelli_chksum(flash_record, size); |
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39 if (rc == EFFS_OK) |
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40 bcopy(flash_record, userbuf, size); |
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41 return ffs_end(rc); |
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42 } |
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43 |
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44 static const struct calmap { |
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45 uint32 offset; |
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46 char *ti_equiv; |
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47 } pirelli_cal_map[] = { |
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48 {0x06E5, "/sys/adccal"}, |
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49 {0x072B, "/gsm/rf/tx/ramps.900"}, |
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50 {0x092C, "/gsm/rf/tx/levels.900"}, |
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51 {0x09AD, "/gsm/rf/tx/calchan.900"}, |
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52 {0x0A2E, "/gsm/rf/tx/ramps.1800"}, |
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53 {0x0C2F, "/gsm/rf/tx/levels.1800"}, |
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54 {0x0CB0, "/gsm/rf/tx/calchan.1800"}, |
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55 {0x0D31, "/gsm/rf/tx/ramps.1900"}, |
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56 {0x0F32, "/gsm/rf/tx/levels.1900"}, |
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57 {0x0FB3, "/gsm/rf/tx/calchan.1900"}, |
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58 {0x10AF, "/gsm/rf/rx/calchan.900"}, |
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59 {0x10D8, "/gsm/rf/rx/agcparams.900"}, |
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60 {0x10E1, "/gsm/rf/rx/calchan.1800"}, |
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61 {0x110A, "/gsm/rf/rx/agcparams.1800"}, |
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62 {0x1113, "/gsm/rf/rx/calchan.1900"}, |
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63 {0x113C, "/gsm/rf/rx/agcparams.1900"}, |
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64 {0, 0} |
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65 }; |
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66 |
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67 pirelli_cal_fread(const char *name, void *userbuf, T_FFS_SIZE size) |
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68 { |
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69 int rc; |
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70 const struct calmap *map; |
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71 |
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72 /* try FFS first, so FreeCalypso user can override factory prog */ |
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73 rc = ffs_file_read(name, userbuf, size); |
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74 if (rc >= 0) |
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75 return EFFS_OK; |
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76 /* does the sought file correspond to a Pirelli factory data record? */ |
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77 for (map = pirelli_cal_map; map->ti_equiv; map++) |
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78 if (!strcmp(map->ti_equiv, name)) |
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79 break; |
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80 if (!map->offset) /* not found */ |
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81 return rc; /* return error code from FFS */ |
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82 /* found it */ |
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83 return pirelli_read_factory_record(map->offset, userbuf, size, 1); |
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84 } |