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  • /*
     * Copyright (C) 2008 Freescale Semiconductor, Inc.
     *		Dave Liu <daveliu@freescale.com>
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License as
     * published by the Free Software Foundation; either version 2 of
     * the License, or (at your option) any later version.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
     * MA 02111-1307 USA
     *
     */
    
    #ifndef __FIS_H__
    #define __FIS_H__
    /*
    * Register - Host to Device FIS
    */
    typedef struct sata_fis_h2d {
    	u8 fis_type;
    	u8 pm_port_c;
    	u8 command;
    	u8 features;
    	u8 lba_low;
    	u8 lba_mid;
    	u8 lba_high;
    	u8 device;
    	u8 lba_low_exp;
    	u8 lba_mid_exp;
    	u8 lba_high_exp;
    	u8 features_exp;
    	u8 sector_count;
    	u8 sector_count_exp;
    	u8 res1;
    	u8 control;
    	u8 res2[4];
    } __attribute__ ((packed)) sata_fis_h2d_t;
    
    /*
    * Register - Host to Device FIS for read/write FPDMA queued
    */
    typedef struct sata_fis_h2d_ncq {
    	u8 fis_type;
    	u8 pm_port_c;
    	u8 command;
    	u8 sector_count_low;
    	u8 lba_low;
    	u8 lba_mid;
    	u8 lba_high;
    	u8 device;
    	u8 lba_low_exp;
    	u8 lba_mid_exp;
    	u8 lba_high_exp;
    	u8 sector_count_high;
    	u8 tag;
    	u8 res1;
    	u8 res2;
    	u8 control;
    	u8 res3[4];
    } __attribute__ ((packed)) sata_fis_h2d_ncq_t;
    
    /*
    * Register - Device to Host FIS
    */
    typedef struct sata_fis_d2h {
    	u8 fis_type;
    	u8 pm_port_i;
    	u8 status;
    	u8 error;
    	u8 lba_low;
    	u8 lba_mid;
    	u8 lba_high;
    	u8 device;
    	u8 lba_low_exp;
    	u8 lba_mid_exp;
    	u8 lba_high_exp;
    	u8 res1;
    	u8 sector_count;
    	u8 sector_count_exp;
    	u8 res2[2];
    	u8 res3[4];
    } __attribute__ ((packed)) sata_fis_d2h_t;
    
    /*
    * DMA Setup - Device to Host or Host to Device FIS
    */
    typedef struct sata_fis_dma_setup {
    	u8 fis_type;
    	u8 pm_port_dir_int_act;
    	u8 res1;
    	u8 res2;
    	u32 dma_buffer_id_low;
    	u32 dma_buffer_id_high;
    	u32 res3;
    	u32 dma_buffer_offset;
    	u32 dma_transfer_count;
    	u32 res4;
    } __attribute__ ((packed)) sata_fis_dma_setup_t;
    
    /*
    * PIO Setup - Device to Host FIS
    */
    typedef struct sata_fis_pio_setup {
    	u8 fis_type;
    	u8 pm_port_dir_int;
    	u8 status;
    	u8 error;
    	u8 lba_low;
    	u8 lba_mid;
    	u8 lba_high;
    	u8 res1;
    	u8 lba_low_exp;
    	u8 lba_mid_exp;
    	u8 lba_high_exp;
    	u8 res2;
    	u8 sector_count;
    	u8 sector_count_exp;
    	u8 res3;
    	u8 e_status;
    	u16 transfer_count;
    	u16 res4;
    } __attribute__ ((packed)) sata_fis_pio_setup_t;
    
    /*
    * Data - Host to Device or Device to Host FIS
    */
    typedef struct sata_fis_data {
    	u8 fis_type;
    	u8 pm_port;
    	u8 res1;
    	u8 res2;
    	u32 data[2048];
    } __attribute__ ((packed)) sata_fis_data_t;
    
    /* fis_type - SATA FIS type
     */
    enum sata_fis_type {
    	SATA_FIS_TYPE_REGISTER_H2D		= 0x27,
    	SATA_FIS_TYPE_REGISTER_D2H		= 0x34,
    	SATA_FIS_TYPE_DMA_ACT_D2H		= 0x39,
    	SATA_FIS_TYPE_DMA_SETUP_BI		= 0x41,
    	SATA_FIS_TYPE_DATA_BI			= 0x46,
    	SATA_FIS_TYPE_BIST_ACT_BI		= 0x58,
    	SATA_FIS_TYPE_PIO_SETUP_D2H		= 0x5F,
    	SATA_FIS_TYPE_SET_DEVICE_BITS_D2H	= 0xA1,
    };
    
    #endif	/* __FIS_H__ */