1 | /* |
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2 | * ide_ctrl_cfg.h |
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3 | * |
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4 | * LibChip library IDE controller header file - structures used for |
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5 | * configuration and plugin interface definition. |
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6 | * |
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7 | * Copyright (C) 2002 OKTET Ltd., St.-Petersburg, Russia |
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8 | * Author: Eugeny S. Mints <Eugeny.Mints@oktet.ru> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.org/license/LICENSE. |
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13 | */ |
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14 | #ifndef __IDE_CTRL_CFG_H__ |
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15 | #define __IDE_CTRL_CFG_H__ |
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16 | |
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17 | #include <rtems/blkdev.h> |
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18 | |
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19 | #ifdef __cplusplus |
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20 | extern "C" { |
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21 | #endif |
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22 | |
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23 | /* |
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24 | * Avaible drivers for IDE controllers |
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25 | */ |
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26 | typedef enum { |
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27 | IDE_STD, |
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28 | IDE_CUSTOM /* BSP specific driver */ |
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29 | } ide_ctrl_devs_t; |
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30 | |
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31 | /* ATA modes: bit masks used in ctrl_config_io_speed call */ |
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32 | #define ATA_MODES_PIO3 0x001 |
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33 | #define ATA_MODES_PIO4 0x002 |
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34 | |
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35 | #define ATA_MODES_PIO 0x003 |
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36 | |
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37 | #define ATA_MODES_DMA0 0x004 |
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38 | #define ATA_MODES_DMA1 0x008 |
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39 | #define ATA_MODES_DMA2 0x010 |
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40 | |
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41 | #define ATA_MODES_UDMA0 0x020 |
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42 | #define ATA_MODES_UDMA1 0x040 |
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43 | #define ATA_MODES_UDMA2 0x080 |
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44 | #define ATA_MODES_UDMA3 0x100 |
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45 | #define ATA_MODES_UDMA4 0x200 |
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46 | #define ATA_MODES_UDMA5 0x400 |
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47 | |
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48 | #define ATA_MODES_UDMA 0x7e0 |
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49 | #define ATA_MODES_DMA 0x7fc |
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50 | |
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51 | |
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52 | /* |
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53 | * Each driver for a particular controller have to provide following |
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54 | * functions in such a structure. The only field which should not be NULL |
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55 | * is contInit. |
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56 | */ |
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57 | typedef struct ide_ctrl_fns_s { |
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58 | bool (*ctrl_probe)(int minor); /* probe routine */ |
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59 | void (*ctrl_initialize)(int minor); |
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60 | int (*ctrl_control)(int minor, uint32_t command, |
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61 | void *arg); |
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62 | /* |
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63 | * Functions which allow read/write registers of a particular controller. |
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64 | * (these functions may be used from ide_controller_read_register, |
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65 | * ide_controller_write_register) |
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66 | */ |
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67 | void (*ctrl_reg_read)(int minor, int regist, uint16_t *value); |
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68 | void (*ctrl_reg_write)(int minor, int regist, uint16_t value); |
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69 | |
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70 | /* |
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71 | * The function allows to escape overhead for read/write register |
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72 | * functions calls |
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73 | */ |
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74 | void (*ctrl_read_block)(int minor, uint32_t block_size, |
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75 | rtems_blkdev_sg_buffer *bufs, uint32_t *cbuf, |
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76 | uint32_t *pos); |
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77 | void (*ctrl_write_block)(int minor, uint32_t block_size, |
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78 | rtems_blkdev_sg_buffer *bufs, uint32_t *cbuf, |
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79 | uint32_t *pos); |
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80 | |
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81 | rtems_status_code (*ctrl_config_io_speed)(int minor, |
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82 | uint16_t modes_available); |
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83 | } ide_ctrl_fns_t; |
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84 | |
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85 | /* |
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86 | * IDE Controller configuration. Table of such configurations is provided |
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87 | * by BSP |
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88 | */ |
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89 | typedef struct ide_controller_bsp_table_s { |
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90 | char *name; /* device name */ |
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91 | ide_ctrl_devs_t type; /* chip type */ |
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92 | ide_ctrl_fns_t *fns; /* pointer to the set of driver routines */ |
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93 | bool (*probe)(int minor); /* general probe routine */ |
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94 | uint8_t status; /* initialized/non initialized. Should be set |
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95 | * to zero by static initialization |
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96 | */ |
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97 | uint32_t port1; /* port number for the port of the device */ |
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98 | bool int_driven; /* interrupt/poll driven */ |
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99 | rtems_vector_number int_vec; /* the interrupt vector of the device */ |
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100 | void *params; /* contains either device specific data or a |
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101 | * pointer to s device specific information |
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102 | * table |
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103 | */ |
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104 | } ide_controller_bsp_table_t; |
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105 | |
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106 | /* IDE controllers Table */ |
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107 | extern ide_controller_bsp_table_t IDE_Controller_Table[]; |
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108 | |
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109 | /* Number of rows in IDE_Controller_Table */ |
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110 | extern unsigned long IDE_Controller_Count; |
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111 | |
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112 | |
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113 | #define IDE_CTRL_MAX_MINOR_NUMBER 4 |
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114 | |
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115 | #define IDE_CTRL_NON_INITIALIZED 0 |
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116 | #define IDE_CTRL_INITIALIZED 1 |
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117 | |
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118 | #ifdef __cplusplus |
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119 | } |
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120 | #endif |
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121 | |
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122 | |
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123 | #endif /* __IDE_CTRL_CFG_H__ */ |
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