Last change
on this file since 962 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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Rev | Line | |
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[758] | 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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[962] | 9 | * on the USE_IOC_BDV, USE_IOC_SDC or USE_IOC_RDK constants |
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[758] | 10 | */ |
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| 11 | |
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[586] | 12 | #include <reset_ioc.h> |
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[758] | 13 | #include <defs.h> |
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[292] | 14 | |
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[962] | 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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[586] | 17 | #endif |
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[302] | 18 | |
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[962] | 19 | #if USE_IOC_SDC |
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[758] | 20 | #include <reset_sdc.h> |
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| 21 | #endif |
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[388] | 22 | |
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[758] | 23 | #if USE_IOC_BDV |
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| 24 | #include <reset_bdv.h> |
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| 25 | #endif |
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[292] | 26 | |
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[796] | 27 | #if USE_IOC_RDK |
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[758] | 28 | #include <reset_rdk.h> |
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[347] | 29 | #endif |
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[568] | 30 | |
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[962] | 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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[758] | 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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[347] | 40 | { |
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[758] | 41 | #if USE_IOC_BDV |
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| 42 | return reset_bdv_init(); |
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[962] | 43 | #elif USE_IOC_SDC |
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[758] | 44 | return reset_sdc_init(); |
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[796] | 45 | #elif USE_IOC_RDK |
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[758] | 46 | return reset_rdk_init(); |
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[962] | 47 | #elif USE_IOC_HBA |
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| 48 | return reset_hba_init(); |
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[758] | 49 | #else |
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[962] | 50 | # error "in reset_ioc_init.c : undefined disk controller in hard_config.h" |
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[347] | 51 | #endif |
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| 52 | } |
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| 53 | |
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[758] | 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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[568] | 65 | { |
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[758] | 66 | #if USE_IOC_BDV |
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[654] | 67 | return reset_bdv_read(lba, buffer, count); |
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[962] | 68 | #elif USE_IOC_SDC |
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[758] | 69 | return reset_sdc_read(lba, buffer, count); |
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[796] | 70 | #elif USE_IOC_RDK |
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[654] | 71 | return reset_rdk_read(lba, buffer, count); |
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[962] | 72 | #elif USE_IOC_HBA |
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| 73 | return reset_hba_read(lba, buffer, count); |
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[654] | 74 | #else |
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[962] | 75 | # error "in reset_ioc_read.c : undefined disk controller in hard_config.h" |
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[653] | 76 | #endif |
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[568] | 77 | } |
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| 78 | |
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[292] | 79 | /* |
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[758] | 80 | * vim: tabstop=4 : softtabstop=4 : shiftwidth=4 : expandtab |
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[292] | 81 | */ |
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