include/fis.h

   1 /*
   2  * Copyright (C) 2008 Freescale Semiconductor, Inc.
   3  *              Dave Liu <daveliu@freescale.com>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of
   8  * the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18  * MA 02111-1307 USA
  19  *
  20  */
  21
  22 #ifndef __FIS_H__
  23 #define __FIS_H__
  24 /*
  25 * Register - Host to Device FIS
  26 */
  27 typedef struct sata_fis_h2d {
  28         u8 fis_type;
  29         u8 pm_port_c;
  30         u8 command;
  31         u8 features;
  32         u8 lba_low;
  33         u8 lba_mid;
  34         u8 lba_high;
  35         u8 device;
  36         u8 lba_low_exp;
  37         u8 lba_mid_exp;
  38         u8 lba_high_exp;
  39         u8 features_exp;
  40         u8 sector_count;
  41         u8 sector_count_exp;
  42         u8 res1;
  43         u8 control;
  44         u8 res2[4];
  45 } __attribute__ ((packed)) sata_fis_h2d_t;
  46
  47 /*
  48 * Register - Host to Device FIS for read/write FPDMA queued
  49 */
  50 typedef struct sata_fis_h2d_ncq {
  51         u8 fis_type;
  52         u8 pm_port_c;
  53         u8 command;
  54         u8 sector_count_low;
  55         u8 lba_low;
  56         u8 lba_mid;
  57         u8 lba_high;
  58         u8 device;
  59         u8 lba_low_exp;
  60         u8 lba_mid_exp;
  61         u8 lba_high_exp;
  62         u8 sector_count_high;
  63         u8 tag;
  64         u8 res1;
  65         u8 res2;
  66         u8 control;
  67         u8 res3[4];
  68 } __attribute__ ((packed)) sata_fis_h2d_ncq_t;
  69
  70 /*
  71 * Register - Device to Host FIS
  72 */
  73 typedef struct sata_fis_d2h {
  74         u8 fis_type;
  75         u8 pm_port_i;
  76         u8 status;
  77         u8 error;
  78         u8 lba_low;
  79         u8 lba_mid;
  80         u8 lba_high;
  81         u8 device;
  82         u8 lba_low_exp;
  83         u8 lba_mid_exp;
  84         u8 lba_high_exp;
  85         u8 res1;
  86         u8 sector_count;
  87         u8 sector_count_exp;
  88         u8 res2[2];
  89         u8 res3[4];
  90 } __attribute__ ((packed)) sata_fis_d2h_t;
  91
  92 /*
  93 * DMA Setup - Device to Host or Host to Device FIS
  94 */
  95 typedef struct sata_fis_dma_setup {
  96         u8 fis_type;
  97         u8 pm_port_dir_int_act;
  98         u8 res1;
  99         u8 res2;
 100         u32 dma_buffer_id_low;
 101         u32 dma_buffer_id_high;
 102         u32 res3;
 103         u32 dma_buffer_offset;
 104         u32 dma_transfer_count;
 105         u32 res4;
 106 } __attribute__ ((packed)) sata_fis_dma_setup_t;
 107
 108 /*
 109 * PIO Setup - Device to Host FIS
 110 */
 111 typedef struct sata_fis_pio_setup {
 112         u8 fis_type;
 113         u8 pm_port_dir_int;
 114         u8 status;
 115         u8 error;
 116         u8 lba_low;
 117         u8 lba_mid;
 118         u8 lba_high;
 119         u8 res1;
 120         u8 lba_low_exp;
 121         u8 lba_mid_exp;
 122         u8 lba_high_exp;
 123         u8 res2;
 124         u8 sector_count;
 125         u8 sector_count_exp;
 126         u8 res3;
 127         u8 e_status;
 128         u16 transfer_count;
 129         u16 res4;
 130 } __attribute__ ((packed)) sata_fis_pio_setup_t;
 131
 132 /*
 133 * Data - Host to Device or Device to Host FIS
 134 */
 135 typedef struct sata_fis_data {
 136         u8 fis_type;
 137         u8 pm_port;
 138         u8 res1;
 139         u8 res2;
 140         u32 data[2048];
 141 } __attribute__ ((packed)) sata_fis_data_t;
 142
 143 /* fis_type - SATA FIS type
 144  */
 145 enum sata_fis_type {
 146         SATA_FIS_TYPE_REGISTER_H2D              = 0x27,
 147         SATA_FIS_TYPE_REGISTER_D2H              = 0x34,
 148         SATA_FIS_TYPE_DMA_ACT_D2H               = 0x39,
 149         SATA_FIS_TYPE_DMA_SETUP_BI              = 0x41,
 150         SATA_FIS_TYPE_DATA_BI                   = 0x46,
 151         SATA_FIS_TYPE_BIST_ACT_BI               = 0x58,
 152         SATA_FIS_TYPE_PIO_SETUP_D2H             = 0x5F,
 153         SATA_FIS_TYPE_SET_DEVICE_BITS_D2H       = 0xA1,
 154 };
 155
 156 #endif  /* __FIS_H__ */