diff options
Diffstat (limited to 'drivers/scsi/esp_scsi.h')
| -rw-r--r-- | drivers/scsi/esp_scsi.h | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/scsi/esp_scsi.h b/drivers/scsi/esp_scsi.h index cd68805e8d78..84dcbe4a6268 100644 --- a/drivers/scsi/esp_scsi.h +++ b/drivers/scsi/esp_scsi.h @@ -1,4 +1,4 @@ -/* esp_scsi.h: Defines and structures for the ESP drier. +/* esp_scsi.h: Defines and structures for the ESP driver. * * Copyright (C) 2007 David S. Miller (davem@davemloft.net) */ @@ -25,6 +25,7 @@ #define ESP_CTEST 0x0aUL /* wo Chip test register 0x28 */ #define ESP_CFG2 0x0bUL /* rw Second cfg register 0x2c */ #define ESP_CFG3 0x0cUL /* rw Third cfg register 0x30 */ +#define ESP_CFG4 0x0dUL /* rw Fourth cfg register 0x34 */ #define ESP_TCHI 0x0eUL /* rw High bits transf count 0x38 */ #define ESP_UID ESP_TCHI /* ro Unique ID code 0x38 */ #define FAS_RLO ESP_TCHI /* rw HME extended counter 0x38 */ @@ -76,6 +77,18 @@ #define ESP_CONFIG3_IMS 0x80 /* ID msg chk'ng (esp/fas236) */ #define ESP_CONFIG3_OBPUSH 0x80 /* Push odd-byte to dma (hme) */ +/* ESP config register 4 read-write, found only on am53c974 chips */ +#define ESP_CONFIG4_RADE 0x04 /* Active negation */ +#define ESP_CONFIG4_RAE 0x08 /* Active negation on REQ and ACK */ +#define ESP_CONFIG4_PWD 0x20 /* Reduced power feature */ +#define ESP_CONFIG4_GE0 0x40 /* Glitch eater bit 0 */ +#define ESP_CONFIG4_GE1 0x80 /* Glitch eater bit 1 */ + +#define ESP_CONFIG_GE_12NS (0) +#define ESP_CONFIG_GE_25NS (ESP_CONFIG_GE1) +#define ESP_CONFIG_GE_35NS (ESP_CONFIG_GE0) +#define ESP_CONFIG_GE_0NS (ESP_CONFIG_GE0 | ESP_CONFIG_GE1) + /* ESP command register read-write */ /* Group 1 commands: These may be sent at any point in time to the ESP * chip. None of them can generate interrupts 'cept @@ -254,6 +267,7 @@ enum esp_rev { FAS100A = 0x04, FAST = 0x05, FASHME = 0x06, + PCSCSI = 0x07, /* AM53c974 */ }; struct esp_cmd_entry { @@ -269,6 +283,7 @@ struct esp_cmd_entry { #define ESP_CMD_FLAG_WRITE 0x01 /* DMA is a write */ #define ESP_CMD_FLAG_ABORT 0x02 /* being aborted */ #define ESP_CMD_FLAG_AUTOSENSE 0x04 /* Doing automatic REQUEST_SENSE */ +#define ESP_CMD_FLAG_RESIDUAL 0x08 /* AM53c974 BLAST residual */ u8 tag[2]; u8 orig_tag[2]; @@ -283,7 +298,6 @@ struct esp_cmd_entry { struct completion *eh_done; }; -/* XXX make this configurable somehow XXX */ #define ESP_DEFAULT_TAGS 16 #define ESP_MAX_TARGET 16 @@ -445,7 +459,7 @@ struct esp { u8 prev_soff; u8 prev_stp; u8 prev_cfg3; - u8 __pad; + u8 num_tags; struct list_head esp_cmd_pool; @@ -466,6 +480,7 @@ struct esp { u8 bursts; u8 config1; u8 config2; + u8 config4; u8 scsi_id; u32 scsi_id_mask; @@ -479,6 +494,7 @@ struct esp { #define ESP_FLAG_WIDE_CAPABLE 0x00000008 #define ESP_FLAG_QUICKIRQ_CHECK 0x00000010 #define ESP_FLAG_DISABLE_SYNC 0x00000020 +#define ESP_FLAG_USE_FIFO 0x00000040 u8 select_state; #define ESP_SELECT_NONE 0x00 /* Not selecting */ |