Last change
on this file since 991 was
962,
checked in by alain, 10 years ago
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Introducing a new IOC driver supporting the VciMultiAhci? disk controller (in polling mode only).
Extending the MMC driver to support the SYNC command requested by the AHCI protocol on the tsar_generic_iob platform.
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File size:
1.8 KB
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1 | /** |
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2 | * \file reset_ioc.c |
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3 | * \date December 2013 |
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4 | * \author Cesar Fuguet |
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5 | * |
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6 | * \brief API for accessing the disk controller |
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7 | * |
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8 | * \note These functions call the specific disk controller driver depending |
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9 | * on the USE_IOC_BDV, USE_IOC_SDC or USE_IOC_RDK constants |
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10 | */ |
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11 | |
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12 | #include <reset_ioc.h> |
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13 | #include <defs.h> |
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14 | |
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15 | #if (USE_IOC_BDV + USE_IOC_SDC + USE_IOC_RDK + USE_IOC_HBA) != 1 |
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16 | # error "in reset_ioc.c : undefined disk controller in hard_config.h" |
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17 | #endif |
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18 | |
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19 | #if USE_IOC_SDC |
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20 | #include <reset_sdc.h> |
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21 | #endif |
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22 | |
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23 | #if USE_IOC_BDV |
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24 | #include <reset_bdv.h> |
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25 | #endif |
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26 | |
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27 | #if USE_IOC_RDK |
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28 | #include <reset_rdk.h> |
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29 | #endif |
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30 | |
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31 | #if USE_IOC_HBA |
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32 | #include <reset_hba.h> |
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33 | #endif |
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34 | |
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35 | |
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36 | /** |
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37 | * \brief Initialize the disk controller |
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38 | */ |
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39 | int reset_ioc_init() |
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40 | { |
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41 | #if USE_IOC_BDV |
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42 | return reset_bdv_init(); |
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43 | #elif USE_IOC_SDC |
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44 | return reset_sdc_init(); |
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45 | #elif USE_IOC_RDK |
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46 | return reset_rdk_init(); |
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47 | #elif USE_IOC_HBA |
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48 | return reset_hba_init(); |
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49 | #else |
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50 | # error "in reset_ioc_init.c : undefined disk controller in hard_config.h" |
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51 | #endif |
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52 | } |
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53 | |
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54 | /** |
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55 | * \param lba : first block index on the disk |
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56 | * \param buffer: base address of the memory buffer |
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57 | * \param count : number of blocks to be transfered |
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58 | * |
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59 | * \brief Transfer data from disk to a memory buffer |
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60 | * |
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61 | * \note This is a blocking function. The function returns once the transfer |
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62 | * is completed. |
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63 | */ |
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64 | int reset_ioc_read( unsigned int lba, void* buffer, unsigned int count ) |
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65 | { |
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66 | #if USE_IOC_BDV |
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67 | return reset_bdv_read(lba, buffer, count); |
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68 | #elif USE_IOC_SDC |
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69 | return reset_sdc_read(lba, buffer, count); |
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70 | #elif USE_IOC_RDK |
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71 | return reset_rdk_read(lba, buffer, count); |
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72 | #elif USE_IOC_HBA |
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73 | return reset_hba_read(lba, buffer, count); |
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74 | #else |
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75 | # error "in reset_ioc_read.c : undefined disk controller in hard_config.h" |
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76 | #endif |
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77 | } |
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78 | |
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79 | /* |
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80 | * vim: tabstop=4 : softtabstop=4 : shiftwidth=4 : expandtab |
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81 | */ |
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