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Diffstat (limited to 'bsps/include/libchip/ide_ctrl_cfg.h')
| -rw-r--r-- | bsps/include/libchip/ide_ctrl_cfg.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/bsps/include/libchip/ide_ctrl_cfg.h b/bsps/include/libchip/ide_ctrl_cfg.h new file mode 100644 index 0000000000..3339a28d2b --- /dev/null +++ b/bsps/include/libchip/ide_ctrl_cfg.h @@ -0,0 +1,123 @@ +/* + * ide_ctrl_cfg.h + * + * LibChip library IDE controller header file - structures used for + * configuration and plugin interface definition. + * + * Copyright (C) 2002 OKTET Ltd., St.-Petersburg, Russia + * Author: Eugeny S. Mints <Eugeny.Mints@oktet.ru> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ +#ifndef __IDE_CTRL_CFG_H__ +#define __IDE_CTRL_CFG_H__ + +#include <rtems/blkdev.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Avaible drivers for IDE controllers + */ +typedef enum { + IDE_STD, + IDE_CUSTOM /* BSP specific driver */ +} ide_ctrl_devs_t; + +/* ATA modes: bit masks used in ctrl_config_io_speed call */ +#define ATA_MODES_PIO3 0x001 +#define ATA_MODES_PIO4 0x002 + +#define ATA_MODES_PIO 0x003 + +#define ATA_MODES_DMA0 0x004 +#define ATA_MODES_DMA1 0x008 +#define ATA_MODES_DMA2 0x010 + +#define ATA_MODES_UDMA0 0x020 +#define ATA_MODES_UDMA1 0x040 +#define ATA_MODES_UDMA2 0x080 +#define ATA_MODES_UDMA3 0x100 +#define ATA_MODES_UDMA4 0x200 +#define ATA_MODES_UDMA5 0x400 + +#define ATA_MODES_UDMA 0x7e0 +#define ATA_MODES_DMA 0x7fc + + +/* + * Each driver for a particular controller have to provide following + * functions in such a structure. The only field which should not be NULL + * is contInit. + */ +typedef struct ide_ctrl_fns_s { + bool (*ctrl_probe)(int minor); /* probe routine */ + void (*ctrl_initialize)(int minor); + int (*ctrl_control)(int minor, uint32_t command, + void *arg); + /* + * Functions which allow read/write registers of a particular controller. + * (these functions may be used from ide_controller_read_register, + * ide_controller_write_register) + */ + void (*ctrl_reg_read)(int minor, int regist, uint16_t *value); + void (*ctrl_reg_write)(int minor, int regist, uint16_t value); + + /* + * The function allows to escape overhead for read/write register + * functions calls + */ + void (*ctrl_read_block)(int minor, uint32_t block_size, + rtems_blkdev_sg_buffer *bufs, uint32_t *cbuf, + uint32_t *pos); + void (*ctrl_write_block)(int minor, uint32_t block_size, + rtems_blkdev_sg_buffer *bufs, uint32_t *cbuf, + uint32_t *pos); + + rtems_status_code (*ctrl_config_io_speed)(int minor, + uint16_t modes_available); +} ide_ctrl_fns_t; + +/* + * IDE Controller configuration. Table of such configurations is provided + * by BSP + */ +typedef struct ide_controller_bsp_table_s { + char *name; /* device name */ + ide_ctrl_devs_t type; /* chip type */ + ide_ctrl_fns_t *fns; /* pointer to the set of driver routines */ + bool (*probe)(int minor); /* general probe routine */ + uint8_t status; /* initialized/non initialized. Should be set + * to zero by static initialization + */ + uint32_t port1; /* port number for the port of the device */ + bool int_driven; /* interrupt/poll driven */ + rtems_vector_number int_vec; /* the interrupt vector of the device */ + void *params; /* contains either device specific data or a + * pointer to s device specific information + * table + */ +} ide_controller_bsp_table_t; + +/* IDE controllers Table */ +extern ide_controller_bsp_table_t IDE_Controller_Table[]; + +/* Number of rows in IDE_Controller_Table */ +extern unsigned long IDE_Controller_Count; + + +#define IDE_CTRL_MAX_MINOR_NUMBER 4 + +#define IDE_CTRL_NON_INITIALIZED 0 +#define IDE_CTRL_INITIALIZED 1 + +#ifdef __cplusplus +} +#endif + + +#endif /* __IDE_CTRL_CFG_H__ */ |