#include <linux/module.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/isa.h>
#include <linux/eisa.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/dma-mapping.h>
#include <linux/firmware.h>
#include <linux/dmapool.h>
#include <asm/io.h>
#include <asm/dma.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#define DRV_NAME "advansys"
#define ASC_VERSION "3.5" /* AdvanSys Driver Version */
#define ADVANSYS_STATS
#undef ADVANSYS_DEBUG
typedef unsigned char uchar;
#define isodd_word(val) ((((uint)val) & (uint)0x0001) != 0)
#define PCI_VENDOR_ID_ASP 0x10cd
#define PCI_DEVICE_ID_ASP_1200A 0x1100
#define PCI_DEVICE_ID_ASP_ABP940 0x1200
#define PCI_DEVICE_ID_ASP_ABP940U 0x1300
#define PCI_DEVICE_ID_ASP_ABP940UW 0x2300
#define PCI_DEVICE_ID_38C0800_REV1 0x2500
#define PCI_DEVICE_ID_38C1600_REV1 0x2700
#define PortAddr unsigned int /* port address size */
#define inp(port) inb(port)
#define outp(port, byte) outb((byte), (port))
#define inpw(port) inw(port)
#define outpw(port, word) outw((word), (port))
#define ASC_MAX_SG_QUEUE 7
#define ASC_MAX_SG_LIST 255
#define ASC_CS_TYPE unsigned short
#define ASC_IS_EISA (0x0002)
#define ASC_IS_PCI (0x0004)
#define ASC_IS_PCI_ULTRA (0x0104)
#define ASC_IS_PCMCIA (0x0008)
#define ASC_IS_MCA (0x0020)
#define ASC_IS_VL (0x0040)
#define ASC_IS_WIDESCSI_16 (0x0100)
#define ASC_IS_WIDESCSI_32 (0x0200)
#define ASC_IS_BIG_ENDIAN (0x8000)
#define ASC_CHIP_MIN_VER_VL (0x01)
#define ASC_CHIP_MAX_VER_VL (0x07)
#define ASC_CHIP_MIN_VER_PCI (0x09)
#define ASC_CHIP_MAX_VER_PCI (0x0F)
#define ASC_CHIP_VER_PCI_BIT (0x08)
#define ASC_CHIP_VER_ASYN_BUG (0x21)
#define ASC_CHIP_VER_PCI 0x08
#define ASC_CHIP_VER_PCI_ULTRA_3150 (ASC_CHIP_VER_PCI | 0x02)
#define ASC_CHIP_VER_PCI_ULTRA_3050 (ASC_CHIP_VER_PCI | 0x03)
#define ASC_CHIP_MIN_VER_EISA (0x41)
#define ASC_CHIP_MAX_VER_EISA (0x47)
#define ASC_CHIP_VER_EISA_BIT (0x40)
#define ASC_CHIP_LATEST_VER_EISA ((ASC_CHIP_MIN_VER_EISA - 1) + 3)
#define ASC_MAX_VL_DMA_COUNT (0x07FFFFFFL)
#define ASC_MAX_PCI_DMA_COUNT (0xFFFFFFFFL)
#define ASC_SCSI_ID_BITS 3
#define ASC_SCSI_TIX_TYPE uchar
#define ASC_ALL_DEVICE_BIT_SET 0xFF
#define ASC_SCSI_BIT_ID_TYPE uchar
#define ASC_MAX_TID 7
#define ASC_MAX_LUN 7
#define ASC_SCSI_WIDTH_BIT_SET 0xFF
#define ASC_MAX_SENSE_LEN 32
#define ASC_MIN_SENSE_LEN 14
#define ASC_SCSI_RESET_HOLD_TIME_US 60
#define ASC_MAX_CDB_LEN 12
#define ADV_MAX_CDB_LEN 16
#define MS_SDTR_LEN 0x03
#define MS_WDTR_LEN 0x02
#define ASC_SG_LIST_PER_Q 7
#define QS_FREE 0x00
#define QS_READY 0x01
#define QS_DISC1 0x02
#define QS_DISC2 0x04
#define QS_BUSY 0x08
#define QS_ABORTED 0x40
#define QS_DONE 0x80
#define QC_NO_CALLBACK 0x01
#define QC_SG_SWAP_QUEUE 0x02
#define QC_SG_HEAD 0x04
#define QC_DATA_IN 0x08
#define QC_DATA_OUT 0x10
#define QC_URGENT 0x20
#define QC_MSG_OUT 0x40
#define QC_REQ_SENSE 0x80
#define QCSG_SG_XFER_LIST 0x02
#define QCSG_SG_XFER_MORE 0x04
#define QCSG_SG_XFER_END 0x08
#define QD_IN_PROGRESS 0x00
#define QD_NO_ERROR 0x01
#define QD_ABORTED_BY_HOST 0x02
#define QD_WITH_ERROR 0x04
#define QD_INVALID_REQUEST 0x80
#define QD_INVALID_HOST_NUM 0x81
#define QD_INVALID_DEVICE 0x82
#define QD_ERR_INTERNAL 0xFF
#define QHSTA_NO_ERROR 0x00
#define QHSTA_M_SEL_TIMEOUT 0x11
#define QHSTA_M_DATA_OVER_RUN 0x12
#define QHSTA_M_DATA_UNDER_RUN 0x12
#define QHSTA_M_UNEXPECTED_BUS_FREE 0x13
#define QHSTA_M_BAD_BUS_PHASE_SEQ 0x14
#define QHSTA_D_QDONE_SG_LIST_CORRUPTED 0x21
#define QHSTA_D_ASC_DVC_ERROR_CODE_SET 0x22
#define QHSTA_D_HOST_ABORT_FAILED 0x23
#define QHSTA_D_EXE_SCSI_Q_FAILED 0x24
#define QHSTA_D_EXE_SCSI_Q_BUSY_TIMEOUT 0x25
#define QHSTA_D_ASPI_NO_BUF_POOL 0x26
#define QHSTA_M_WTM_TIMEOUT 0x41
#define QHSTA_M_BAD_CMPL_STATUS_IN 0x42
#define QHSTA_M_NO_AUTO_REQ_SENSE 0x43
#define QHSTA_M_AUTO_REQ_SENSE_FAIL 0x44
#define QHSTA_M_TARGET_STATUS_BUSY 0x45
#define QHSTA_M_BAD_TAG_CODE 0x46
#define QHSTA_M_BAD_QUEUE_FULL_OR_BUSY 0x47
#define QHSTA_M_HUNG_REQ_SCSI_BUS_RESET 0x48
#define QHSTA_D_LRAM_CMP_ERROR 0x81
#define QHSTA_M_MICRO_CODE_ERROR_HALT 0xA1
#define ASC_FLAG_SCSIQ_REQ 0x01
#define ASC_FLAG_BIOS_SCSIQ_REQ 0x02
#define ASC_FLAG_BIOS_ASYNC_IO 0x04
#define ASC_FLAG_SRB_LINEAR_ADDR 0x08
#define ASC_FLAG_WIN16 0x10
#define ASC_FLAG_WIN32 0x20
#define ASC_FLAG_DOS_VM_CALLBACK 0x80
#define ASC_TAG_FLAG_EXTRA_BYTES 0x10
#define ASC_TAG_FLAG_DISABLE_DISCONNECT 0x04
#define ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX 0x08
#define ASC_TAG_FLAG_DISABLE_CHK_COND_INT_HOST 0x40
#define ASC_SCSIQ_CPY_BEG 4
#define ASC_SCSIQ_SGHD_CPY_BEG 2
#define ASC_SCSIQ_B_FWD 0
#define ASC_SCSIQ_B_BWD 1
#define ASC_SCSIQ_B_STATUS 2
#define ASC_SCSIQ_B_QNO 3
#define ASC_SCSIQ_B_CNTL 4
#define ASC_SCSIQ_B_SG_QUEUE_CNT 5
#define ASC_SCSIQ_D_DATA_ADDR 8
#define ASC_SCSIQ_D_DATA_CNT 12
#define ASC_SCSIQ_B_SENSE_LEN 20
#define ASC_SCSIQ_DONE_INFO_BEG 22
#define ASC_SCSIQ_D_SRBPTR 22
#define ASC_SCSIQ_B_TARGET_IX 26
#define ASC_SCSIQ_B_CDB_LEN 28
#define ASC_SCSIQ_B_TAG_CODE 29
#define ASC_SCSIQ_W_VM_ID 30
#define ASC_SCSIQ_DONE_STATUS 32
#define ASC_SCSIQ_HOST_STATUS 33
#define ASC_SCSIQ_SCSI_STATUS 34
#define ASC_SCSIQ_CDB_BEG 36
#define ASC_SCSIQ_DW_REMAIN_XFER_ADDR 56
#define ASC_SCSIQ_DW_REMAIN_XFER_CNT 60
#define ASC_SCSIQ_B_FIRST_SG_WK_QP 48
#define ASC_SCSIQ_B_SG_WK_QP 49
#define ASC_SCSIQ_B_SG_WK_IX 50
#define ASC_SCSIQ_W_ALT_DC1 52
#define ASC_SCSIQ_B_LIST_CNT 6
#define ASC_SCSIQ_B_CUR_LIST_CNT 7
#define ASC_SGQ_B_SG_CNTL 4
#define ASC_SGQ_B_SG_HEAD_QP 5
#define ASC_SGQ_B_SG_LIST_CNT 6
#define ASC_SGQ_B_SG_CUR_LIST_CNT 7
#define ASC_SGQ_LIST_BEG 8
#define ASC_DEF_SCSI1_QNG 4
#define ASC_MAX_SCSI1_QNG 4
#define ASC_DEF_SCSI2_QNG 16
#define ASC_MAX_SCSI2_QNG 32
#define ASC_TAG_CODE_MASK 0x23
#define ASC_STOP_REQ_RISC_STOP 0x01
#define ASC_STOP_ACK_RISC_STOP 0x03
#define ASC_STOP_CLEAN_UP_BUSY_Q 0x10
#define ASC_STOP_CLEAN_UP_DISC_Q 0x20
#define ASC_STOP_HOST_REQ_RISC_HALT 0x40
#define ASC_TIDLUN_TO_IX(tid, lun) (ASC_SCSI_TIX_TYPE)((tid) + ((lun)<<ASC_SCSI_ID_BITS))
#define ASC_TID_TO_TARGET_ID(tid) (ASC_SCSI_BIT_ID_TYPE)(0x01 << (tid))
#define ASC_TIX_TO_TARGET_ID(tix) (0x01 << ((tix) & ASC_MAX_TID))
#define ASC_TIX_TO_TID(tix) ((tix) & ASC_MAX_TID)
#define ASC_TID_TO_TIX(tid) ((tid) & ASC_MAX_TID)
#define ASC_TIX_TO_LUN(tix) (((tix) >> ASC_SCSI_ID_BITS) & ASC_MAX_LUN)
#define ASC_QNO_TO_QADDR(q_no) ((ASC_QADR_BEG)+((int)(q_no) << 6))
typedef struct asc_scsiq_1 {
uchar status;
uchar q_no;
uchar cntl;
uchar sg_queue_cnt;
uchar target_id;
uchar target_lun;
__le32 data_addr;
__le32 data_cnt;
__le32 sense_addr;
uchar sense_len;
uchar extra_bytes;
} ASC_SCSIQ_1;
typedef struct asc_scsiq_2 {
u32 srb_tag;
uchar target_ix;
uchar flag;
uchar cdb_len;
uchar tag_code;
ushort vm_id;
} ASC_SCSIQ_2;
typedef struct asc_scsiq_3 {
uchar done_stat;
uchar host_stat;
uchar scsi_stat;
uchar scsi_msg;
} ASC_SCSIQ_3;
typedef struct asc_scsiq_4 {
uchar cdb[ASC_MAX_CDB_LEN];
uchar y_first_sg_list_qp;
uchar y_working_sg_qp;
uchar y_working_sg_ix;
uchar y_res;
ushort x_req_count;
ushort x_reconnect_rtn;
__le32 x_saved_data_addr;
__le32 x_saved_data_cnt;
} ASC_SCSIQ_4;
typedef struct asc_q_done_info {
ASC_SCSIQ_2 d2;
ASC_SCSIQ_3 d3;
uchar q_status;
uchar q_no;
uchar cntl;
uchar sense_len;
uchar extra_bytes;
uchar res;
u32 remain_bytes;
} ASC_QDONE_INFO;
typedef struct asc_sg_list {
__le32 addr;
__le32 bytes;
} ASC_SG_LIST;
typedef struct asc_sg_head {
ushort entry_cnt;
ushort queue_cnt;
ushort entry_to_copy;
ushort res;
ASC_SG_LIST sg_list[];
} ASC_SG_HEAD;
typedef struct asc_scsi_q {
ASC_SCSIQ_1 q1;
ASC_SCSIQ_2 q2;
uchar *cdbptr;
ASC_SG_HEAD *sg_head;
ushort remain_sg_entry_cnt;
ushort next_sg_index;
} ASC_SCSI_Q;
typedef struct asc_scsi_bios_req_q {
ASC_SCSIQ_1 r1;
ASC_SCSIQ_2 r2;
uchar *cdbptr;
ASC_SG_HEAD *sg_head;
uchar *sense_ptr;
ASC_SCSIQ_3 r3;
uchar cdb[ASC_MAX_CDB_LEN];
uchar sense[ASC_MIN_SENSE_LEN];
} ASC_SCSI_BIOS_REQ_Q;
typedef struct asc_risc_q {
uchar fwd;
uchar bwd;
ASC_SCSIQ_1 i1;
ASC_SCSIQ_2 i2;
ASC_SCSIQ_3 i3;
ASC_SCSIQ_4 i4;
} ASC_RISC_Q;
typedef struct asc_sg_list_q {
uchar seq_no;
uchar q_no;
uchar cntl;
uchar sg_head_qp;
uchar sg_list_cnt;
uchar sg_cur_list_cnt;
} ASC_SG_LIST_Q;
typedef struct asc_risc_sg_list_q {
uchar fwd;
uchar bwd;
ASC_SG_LIST_Q sg;
ASC_SG_LIST sg_list[7];
} ASC_RISC_SG_LIST_Q;
#define ASCQ_ERR_Q_STATUS 0x0D
#define ASCQ_ERR_CUR_QNG 0x17
#define ASCQ_ERR_SG_Q_LINKS 0x18
#define ASCQ_ERR_ISR_RE_ENTRY 0x1A
#define ASCQ_ERR_CRITICAL_RE_ENTRY 0x1B
#define ASCQ_ERR_ISR_ON_CRITICAL 0x1C
#define ASC_WARN_NO_ERROR 0x0000
#define ASC_WARN_IO_PORT_ROTATE 0x0001
#define ASC_WARN_EEPROM_CHKSUM 0x0002
#define ASC_WARN_IRQ_MODIFIED 0x0004
#define ASC_WARN_AUTO_CONFIG 0x0008
#define ASC_WARN_CMD_QNG_CONFLICT 0x0010
#define ASC_WARN_EEPROM_RECOVER 0x0020
#define ASC_WARN_CFG_MSW_RECOVER 0x0040
#define ASC_IERR_NO_CARRIER 0x0001 /* No more carrier memory */
#define ASC_IERR_MCODE_CHKSUM 0x0002 /* micro code check sum error */
#define ASC_IERR_SET_PC_ADDR 0x0004
#define ASC_IERR_START_STOP_CHIP 0x0008 /* start/stop chip failed */
#define ASC_IERR_ILLEGAL_CONNECTION 0x0010 /* Illegal cable connection */
#define ASC_IERR_SINGLE_END_DEVICE 0x0020 /* SE device on DIFF bus */
#define ASC_IERR_REVERSED_CABLE 0x0040 /* Narrow flat cable reversed */
#define ASC_IERR_SET_SCSI_ID 0x0080 /* set SCSI ID failed */
#define ASC_IERR_HVD_DEVICE 0x0100 /* HVD device on LVD port */
#define ASC_IERR_BAD_SIGNATURE 0x0200 /* signature not found */
#define ASC_IERR_NO_BUS_TYPE 0x0400
#define ASC_IERR_BIST_PRE_TEST 0x0800 /* BIST pre-test error */
#define ASC_IERR_BIST_RAM_TEST 0x1000 /* BIST RAM test error */
#define ASC_IERR_BAD_CHIPTYPE 0x2000 /* Invalid chip_type setting */
#define ASC_DEF_MAX_TOTAL_QNG (0xF0)
#define ASC_MIN_TAG_Q_PER_DVC (0x04)
#define ASC_MIN_FREE_Q (0x02)
#define ASC_MIN_TOTAL_QNG ((ASC_MAX_SG_QUEUE)+(ASC_MIN_FREE_Q))
#define ASC_MAX_TOTAL_QNG 240
#define ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG 16
#define ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG 8
#define ASC_MAX_PCI_INRAM_TOTAL_QNG 20
#define ASC_MAX_INRAM_TAG_QNG 16
#define ASC_IOADR_GAP 0x10
#define ASC_SYN_MAX_OFFSET 0x0F
#define ASC_DEF_SDTR_OFFSET 0x0F
#define ASC_SDTR_ULTRA_PCI_10MB_INDEX 0x02
#define ASYN_SDTR_DATA_FIX_PCI_REV_AB 0x41
static const unsigned char asc_syn_xfer_period[8] = {
25, 30, 35, 40, 50, 60, 70, 85
};
static const unsigned char asc_syn_ultra_xfer_period[16] = {
12, 19, 25, 32, 38, 44, 50, 57, 63, 69, 75, 82, 88, 94, 100, 107
};
typedef struct ext_msg {
uchar msg_type;
uchar msg_len;
uchar msg_req;
union {
struct {
uchar sdtr_xfer_period;
uchar sdtr_req_ack_offset;
} sdtr;
struct {
uchar wdtr_width;
} wdtr;
struct {
uchar mdp_b3;
uchar mdp_b2;
uchar mdp_b1;
uchar mdp_b0;
} mdp;
} u_ext_msg;
uchar res;
} EXT_MSG;
#define xfer_period u_ext_msg.sdtr.sdtr_xfer_period
#define req_ack_offset u_ext_msg.sdtr.sdtr_req_ack_offset
#define wdtr_width u_ext_msg.wdtr.wdtr_width
#define mdp_b3 u_ext_msg.mdp_b3
#define mdp_b2 u_ext_msg.mdp_b2
#define mdp_b1 u_ext_msg.mdp_b1
#define mdp_b0 u_ext_msg.mdp_b0
typedef struct asc_dvc_cfg {
ASC_SCSI_BIT_ID_TYPE can_tagged_qng;
ASC_SCSI_BIT_ID_TYPE cmd_qng_enabled;
ASC_SCSI_BIT_ID_TYPE disc_enable;
ASC_SCSI_BIT_ID_TYPE sdtr_enable;
uchar chip_scsi_id;
uchar chip_version;
ushort mcode_date;
ushort mcode_version;
uchar max_tag_qng[ASC_MAX_TID + 1];
uchar sdtr_period_offset[ASC_MAX_TID + 1];
uchar adapter_info[6];
} ASC_DVC_CFG;
#define ASC_DEF_DVC_CNTL 0xFFFF
#define ASC_DEF_CHIP_SCSI_ID 7
#define ASC_DEF_ISA_DMA_SPEED 4
#define ASC_INIT_STATE_BEG_GET_CFG 0x0001
#define ASC_INIT_STATE_END_GET_CFG 0x0002
#define ASC_INIT_STATE_BEG_SET_CFG 0x0004
#define ASC_INIT_STATE_END_SET_CFG 0x0008
#define ASC_INIT_STATE_BEG_LOAD_MC 0x0010
#define ASC_INIT_STATE_END_LOAD_MC 0x0020
#define ASC_INIT_STATE_BEG_INQUIRY 0x0040
#define ASC_INIT_STATE_END_INQUIRY 0x0080
#define ASC_INIT_RESET_SCSI_DONE 0x0100
#define ASC_INIT_STATE_WITHOUT_EEP 0x8000
#define ASC_BUG_FIX_IF_NOT_DWB 0x0001
#define ASC_BUG_FIX_ASYN_USE_SYN 0x0002
#define ASC_MIN_TAGGED_CMD 7
#define ASC_MAX_SCSI_RESET_WAIT 30
#define ASC_OVERRUN_BSIZE 64
struct asc_dvc_var;
typedef struct asc_dvc_var {
PortAddr iop_base;
ushort err_code;
ushort dvc_cntl;
ushort bug_fix_cntl;
ushort bus_type;
ASC_SCSI_BIT_ID_TYPE init_sdtr;
ASC_SCSI_BIT_ID_TYPE sdtr_done;
ASC_SCSI_BIT_ID_TYPE use_tagged_qng;
ASC_SCSI_BIT_ID_TYPE unit_not_ready;
ASC_SCSI_BIT_ID_TYPE queue_full_or_busy;
ASC_SCSI_BIT_ID_TYPE start_motor;
uchar *overrun_buf;
dma_addr_t overrun_dma;
uchar scsi_reset_wait;
uchar chip_no;
bool is_in_int;
uchar max_total_qng;
uchar cur_total_qng;
uchar in_critical_cnt;
uchar last_q_shortage;
ushort init_state;
uchar cur_dvc_qng[ASC_MAX_TID + 1];
uchar max_dvc_qng[ASC_MAX_TID + 1];
ASC_SCSI_Q *scsiq_busy_head[ASC_MAX_TID + 1];
ASC_SCSI_Q *scsiq_busy_tail[ASC_MAX_TID + 1];
const uchar *sdtr_period_tbl;
ASC_DVC_CFG *cfg;
ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer_always;
char redo_scam;
ushort res2;
uchar dos_int13_table[ASC_MAX_TID + 1];
unsigned int max_dma_count;
ASC_SCSI_BIT_ID_TYPE no_scam;
ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer;
uchar min_sdtr_index;
uchar max_sdtr_index;
struct asc_board *drv_ptr;
unsigned int uc_break;
} ASC_DVC_VAR;
typedef struct asc_dvc_inq_info {
uchar type[ASC_MAX_TID + 1][ASC_MAX_LUN + 1];
} ASC_DVC_INQ_INFO;
typedef struct asc_cap_info {
u32 lba;
u32 blk_size;
} ASC_CAP_INFO;
typedef struct asc_cap_info_array {
ASC_CAP_INFO cap_info[ASC_MAX_TID + 1][ASC_MAX_LUN + 1];
} ASC_CAP_INFO_ARRAY;
#define ASC_MCNTL_NO_SEL_TIMEOUT (ushort)0x0001
#define ASC_MCNTL_NULL_TARGET (ushort)0x0002
#define ASC_CNTL_INITIATOR (ushort)0x0001
#define ASC_CNTL_BIOS_GT_1GB (ushort)0x0002
#define ASC_CNTL_BIOS_GT_2_DISK (ushort)0x0004
#define ASC_CNTL_BIOS_REMOVABLE (ushort)0x0008
#define ASC_CNTL_NO_SCAM (ushort)0x0010
#define ASC_CNTL_INT_MULTI_Q (ushort)0x0080
#define ASC_CNTL_NO_LUN_SUPPORT (ushort)0x0040
#define ASC_CNTL_NO_VERIFY_COPY (ushort)0x0100
#define ASC_CNTL_RESET_SCSI (ushort)0x0200
#define ASC_CNTL_INIT_INQUIRY (ushort)0x0400
#define ASC_CNTL_INIT_VERBOSE (ushort)0x0800
#define ASC_CNTL_SCSI_PARITY (ushort)0x1000
#define ASC_CNTL_BURST_MODE (ushort)0x2000
#define ASC_CNTL_SDTR_ENABLE_ULTRA (ushort)0x4000
#define ASC_EEP_DVC_CFG_BEG_VL 2
#define ASC_EEP_MAX_DVC_ADDR_VL 15
#define ASC_EEP_DVC_CFG_BEG 32
#define ASC_EEP_MAX_DVC_ADDR 45
#define ASC_EEP_MAX_RETRY 20
#define ASC_EEP_GET_CHIP_ID(cfg) ((cfg)->id_speed & 0x0f)
#define ASC_EEP_GET_DMA_SPD(cfg) (((cfg)->id_speed & 0xf0) >> 4)
#define ASC_EEP_SET_CHIP_ID(cfg, sid) \
((cfg)->id_speed = ((cfg)->id_speed & 0xf0) | ((sid) & ASC_MAX_TID))
#define ASC_EEP_SET_DMA_SPD(cfg, spd) \
((cfg)->id_speed = ((cfg)->id_speed & 0x0f) | ((spd) & 0x0f) << 4)
typedef struct asceep_config {
ushort cfg_lsw;
ushort cfg_msw;
uchar init_sdtr;
uchar disc_enable;
uchar use_cmd_qng;
uchar start_motor;
uchar max_total_qng;
uchar max_tag_qng;
uchar bios_scan;
uchar power_up_wait;
uchar no_scam;
uchar id_speed;
uchar dos_int13_table[ASC_MAX_TID + 1];
uchar adapter_info[6];
ushort cntl;
ushort chksum;
} ASCEEP_CONFIG;
#define ASC_EEP_CMD_READ 0x80
#define ASC_EEP_CMD_WRITE 0x40
#define ASC_EEP_CMD_WRITE_ABLE 0x30
#define ASC_EEP_CMD_WRITE_DISABLE 0x00
#define ASCV_MSGOUT_BEG 0x0000
#define ASCV_MSGOUT_SDTR_PERIOD (ASCV_MSGOUT_BEG+3)
#define ASCV_MSGOUT_SDTR_OFFSET (ASCV_MSGOUT_BEG+4)
#define ASCV_BREAK_SAVED_CODE (ushort)0x0006
#define ASCV_MSGIN_BEG (ASCV_MSGOUT_BEG+8)
#define ASCV_MSGIN_SDTR_PERIOD (ASCV_MSGIN_BEG+3)
#define ASCV_MSGIN_SDTR_OFFSET (ASCV_MSGIN_BEG+4)
#define ASCV_SDTR_DATA_BEG (ASCV_MSGIN_BEG+8)
#define ASCV_SDTR_DONE_BEG (ASCV_SDTR_DATA_BEG+8)
#define ASCV_MAX_DVC_QNG_BEG (ushort)0x0020
#define ASCV_BREAK_ADDR (ushort)0x0028
#define ASCV_BREAK_NOTIFY_COUNT (ushort)0x002A
#define ASCV_BREAK_CONTROL (ushort)0x002C
#define ASCV_BREAK_HIT_COUNT (ushort)0x002E
#define ASCV_ASCDVC_ERR_CODE_W (ushort)0x0030
#define ASCV_MCODE_CHKSUM_W (ushort)0x0032
#define ASCV_MCODE_SIZE_W (ushort)0x0034
#define ASCV_STOP_CODE_B (ushort)0x0036
#define ASCV_DVC_ERR_CODE_B (ushort)0x0037
#define ASCV_OVERRUN_PADDR_D (ushort)0x0038
#define ASCV_OVERRUN_BSIZE_D (ushort)0x003C
#define ASCV_HALTCODE_W (ushort)0x0040
#define ASCV_CHKSUM_W (ushort)0x0042
#define ASCV_MC_DATE_W (ushort)0x0044
#define ASCV_MC_VER_W (ushort)0x0046
#define ASCV_NEXTRDY_B (ushort)0x0048
#define ASCV_DONENEXT_B (ushort)0x0049
#define ASCV_USE_TAGGED_QNG_B (ushort)0x004A
#define ASCV_SCSIBUSY_B (ushort)0x004B
#define ASCV_Q_DONE_IN_PROGRESS_B (ushort)0x004C
#define ASCV_CURCDB_B (ushort)0x004D
#define ASCV_RCLUN_B (ushort)0x004E
#define ASCV_BUSY_QHEAD_B (ushort)0x004F
#define ASCV_DISC1_QHEAD_B (ushort)0x0050
#define ASCV_DISC_ENABLE_B (ushort)0x0052
#define ASCV_CAN_TAGGED_QNG_B (ushort)0x0053
#define ASCV_HOSTSCSI_ID_B (ushort)0x0055
#define ASCV_MCODE_CNTL_B (ushort)0x0056
#define ASCV_NULL_TARGET_B (ushort)0x0057
#define ASCV_FREE_Q_HEAD_W (ushort)0x0058
#define ASCV_DONE_Q_TAIL_W (ushort)0x005A
#define ASCV_FREE_Q_HEAD_B (ushort)(ASCV_FREE_Q_HEAD_W+1)
#define ASCV_DONE_Q_TAIL_B (ushort)(ASCV_DONE_Q_TAIL_W+1)
#define ASCV_HOST_FLAG_B (ushort)0x005D
#define ASCV_TOTAL_READY_Q_B (ushort)0x0064
#define ASCV_VER_SERIAL_B (ushort)0x0065
#define ASCV_HALTCODE_SAVED_W (ushort)0x0066
#define ASCV_WTM_FLAG_B (ushort)0x0068
#define ASCV_RISC_FLAG_B (ushort)0x006A
#define ASCV_REQ_SG_LIST_QP (ushort)0x006B
#define ASC_HOST_FLAG_IN_ISR 0x01
#define ASC_HOST_FLAG_ACK_INT 0x02
#define ASC_RISC_FLAG_GEN_INT 0x01
#define ASC_RISC_FLAG_REQ_SG_LIST 0x02
#define IOP_CTRL (0x0F)
#define IOP_STATUS (0x0E)
#define IOP_INT_ACK IOP_STATUS
#define IOP_REG_IFC (0x0D)
#define IOP_SYN_OFFSET (0x0B)
#define IOP_EXTRA_CONTROL (0x0D)
#define IOP_REG_PC (0x0C)
#define IOP_RAM_ADDR (0x0A)
#define IOP_RAM_DATA (0x08)
#define IOP_EEP_DATA (0x06)
#define IOP_EEP_CMD (0x07)
#define IOP_VERSION (0x03)
#define IOP_CONFIG_HIGH (0x04)
#define IOP_CONFIG_LOW (0x02)
#define IOP_SIG_BYTE (0x01)
#define IOP_SIG_WORD (0x00)
#define IOP_REG_DC1 (0x0E)
#define IOP_REG_DC0 (0x0C)
#define IOP_REG_SB (0x0B)
#define IOP_REG_DA1 (0x0A)
#define IOP_REG_DA0 (0x08)
#define IOP_REG_SC (0x09)
#define IOP_DMA_SPEED (0x07)
#define IOP_REG_FLAG (0x07)
#define IOP_FIFO_H (0x06)
#define IOP_FIFO_L (0x04)
#define IOP_REG_ID (0x05)
#define IOP_REG_QP (0x03)
#define IOP_REG_IH (0x02)
#define IOP_REG_IX (0x01)
#define IOP_REG_AX (0x00)
#define IFC_REG_LOCK (0x00)
#define IFC_REG_UNLOCK (0x09)
#define IFC_WR_EN_FILTER (0x10)
#define IFC_RD_NO_EEPROM (0x10)
#define IFC_SLEW_RATE (0x20)
#define IFC_ACT_NEG (0x40)
#define IFC_INP_FILTER (0x80)
#define IFC_INIT_DEFAULT (IFC_ACT_NEG | IFC_REG_UNLOCK)
#define SC_SEL (uchar)(0x80)
#define SC_BSY (uchar)(0x40)
#define SC_ACK (uchar)(0x20)
#define SC_REQ (uchar)(0x10)
#define SC_ATN (uchar)(0x08)
#define SC_IO (uchar)(0x04)
#define SC_CD (uchar)(0x02)
#define SC_MSG (uchar)(0x01)
#define SEC_SCSI_CTL (uchar)(0x80)
#define SEC_ACTIVE_NEGATE (uchar)(0x40)
#define SEC_SLEW_RATE (uchar)(0x20)
#define SEC_ENABLE_FILTER (uchar)(0x10)
#define ASC_HALT_EXTMSG_IN (ushort)0x8000
#define ASC_HALT_CHK_CONDITION (ushort)0x8100
#define ASC_HALT_SS_QUEUE_FULL (ushort)0x8200
#define ASC_HALT_DISABLE_ASYN_USE_SYN_FIX (ushort)0x8300
#define ASC_HALT_ENABLE_ASYN_USE_SYN_FIX (ushort)0x8400
#define ASC_HALT_SDTR_REJECTED (ushort)0x4000
#define ASC_HALT_HOST_COPY_SG_LIST_TO_RISC ( ushort )0x2000
#define ASC_MAX_QNO 0xF8
#define ASC_DATA_SEC_BEG (ushort)0x0080
#define ASC_DATA_SEC_END (ushort)0x0080
#define ASC_CODE_SEC_BEG (ushort)0x0080
#define ASC_CODE_SEC_END (ushort)0x0080
#define ASC_QADR_BEG (0x4000)
#define ASC_QADR_USED (ushort)(ASC_MAX_QNO * 64)
#define ASC_QADR_END (ushort)0x7FFF
#define ASC_QLAST_ADR (ushort)0x7FC0
#define ASC_QBLK_SIZE 0x40
#define ASC_BIOS_DATA_QBEG 0xF8
#define ASC_MIN_ACTIVE_QNO 0x01
#define ASC_QLINK_END 0xFF
#define ASC_EEPROM_WORDS 0x10
#define ASC_MAX_MGS_LEN 0x10
#define ASC_BIOS_ADDR_DEF 0xDC00
#define ASC_BIOS_SIZE 0x3800
#define ASC_BIOS_RAM_OFF 0x3800
#define ASC_BIOS_RAM_SIZE 0x800
#define ASC_BIOS_MIN_ADDR 0xC000
#define ASC_BIOS_MAX_ADDR 0xEC00
#define ASC_BIOS_BANK_SIZE 0x0400
#define ASC_MCODE_START_ADDR 0x0080
#define ASC_CFG0_HOST_INT_ON 0x0020
#define ASC_CFG0_BIOS_ON 0x0040
#define ASC_CFG0_VERA_BURST_ON 0x0080
#define ASC_CFG0_SCSI_PARITY_ON 0x0800
#define ASC_CFG1_SCSI_TARGET_ON 0x0080
#define ASC_CFG1_LRAM_8BITS_ON 0x0800
#define ASC_CFG_MSW_CLR_MASK 0x3080
#define CSW_TEST1 (ASC_CS_TYPE)0x8000
#define CSW_AUTO_CONFIG (ASC_CS_TYPE)0x4000
#define CSW_RESERVED1 (ASC_CS_TYPE)0x2000
#define CSW_IRQ_WRITTEN (ASC_CS_TYPE)0x1000
#define CSW_33MHZ_SELECTED (ASC_CS_TYPE)0x0800
#define CSW_TEST2 (ASC_CS_TYPE)0x0400
#define CSW_TEST3 (ASC_CS_TYPE)0x0200
#define CSW_RESERVED2 (ASC_CS_TYPE)0x0100
#define CSW_DMA_DONE (ASC_CS_TYPE)0x0080
#define CSW_FIFO_RDY (ASC_CS_TYPE)0x0040
#define CSW_EEP_READ_DONE (ASC_CS_TYPE)0x0020
#define CSW_HALTED (ASC_CS_TYPE)0x0010
#define CSW_SCSI_RESET_ACTIVE (ASC_CS_TYPE)0x0008
#define CSW_PARITY_ERR (ASC_CS_TYPE)0x0004
#define CSW_SCSI_RESET_LATCH (ASC_CS_TYPE)0x0002
#define CSW_INT_PENDING (ASC_CS_TYPE)0x0001
#define CIW_CLR_SCSI_RESET_INT (ASC_CS_TYPE)0x1000
#define CIW_INT_ACK (ASC_CS_TYPE)0x0100
#define CIW_TEST1 (ASC_CS_TYPE)0x0200
#define CIW_TEST2 (ASC_CS_TYPE)0x0400
#define CIW_SEL_33MHZ (ASC_CS_TYPE)0x0800
#define CIW_IRQ_ACT (ASC_CS_TYPE)0x1000
#define CC_CHIP_RESET (uchar)0x80
#define CC_SCSI_RESET (uchar)0x40
#define CC_HALT (uchar)0x20
#define CC_SINGLE_STEP (uchar)0x10
#define CC_DMA_ABLE (uchar)0x08
#define CC_TEST (uchar)0x04
#define CC_BANK_ONE (uchar)0x02
#define CC_DIAG (uchar)0x01
#define ASC_1000_ID0W 0x04C1
#define ASC_1000_ID0W_FIX 0x00C1
#define ASC_1000_ID1B 0x25
#define ASC_EISA_REV_IOP_MASK (0x0C83)
#define ASC_EISA_CFG_IOP_MASK (0x0C86)
#define ASC_GET_EISA_SLOT(iop) (PortAddr)((iop) & 0xF000)
#define INS_HALTINT (ushort)0x6281
#define INS_HALT (ushort)0x6280
#define INS_SINT (ushort)0x6200
#define INS_RFLAG_WTM (ushort)0x7380
#define ASC_MC_SAVE_CODE_WSIZE 0x500
#define ASC_MC_SAVE_DATA_WSIZE 0x40
typedef struct asc_mc_saved {
ushort data[ASC_MC_SAVE_DATA_WSIZE];
ushort code[ASC_MC_SAVE_CODE_WSIZE];
} ASC_MC_SAVED;
#define AscGetQDoneInProgress(port) AscReadLramByte((port), ASCV_Q_DONE_IN_PROGRESS_B)
#define AscPutQDoneInProgress(port, val) AscWriteLramByte((port), ASCV_Q_DONE_IN_PROGRESS_B, val)
#define AscGetVarFreeQHead(port) AscReadLramWord((port), ASCV_FREE_Q_HEAD_W)
#define AscGetVarDoneQTail(port) AscReadLramWord((port), ASCV_DONE_Q_TAIL_W)
#define AscPutVarFreeQHead(port, val) AscWriteLramWord((port), ASCV_FREE_Q_HEAD_W, val)
#define AscPutVarDoneQTail(port, val) AscWriteLramWord((port), ASCV_DONE_Q_TAIL_W, val)
#define AscGetRiscVarFreeQHead(port) AscReadLramByte((port), ASCV_NEXTRDY_B)
#define AscGetRiscVarDoneQTail(port) AscReadLramByte((port), ASCV_DONENEXT_B)
#define AscPutRiscVarFreeQHead(port, val) AscWriteLramByte((port), ASCV_NEXTRDY_B, val)
#define AscPutRiscVarDoneQTail(port, val) AscWriteLramByte((port), ASCV_DONENEXT_B, val)
#define AscPutMCodeSDTRDoneAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id), (data))
#define AscGetMCodeSDTRDoneAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id))
#define AscPutMCodeInitSDTRAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id), data)
#define AscGetMCodeInitSDTRAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id))
#define AscGetChipSignatureByte(port) (uchar)inp((port)+IOP_SIG_BYTE)
#define AscGetChipSignatureWord(port) (ushort)inpw((port)+IOP_SIG_WORD)
#define AscGetChipVerNo(port) (uchar)inp((port)+IOP_VERSION)
#define AscGetChipCfgLsw(port) (ushort)inpw((port)+IOP_CONFIG_LOW)
#define AscGetChipCfgMsw(port) (ushort)inpw((port)+IOP_CONFIG_HIGH)
#define AscSetChipCfgLsw(port, data) outpw((port)+IOP_CONFIG_LOW, data)
#define AscSetChipCfgMsw(port, data) outpw((port)+IOP_CONFIG_HIGH, data)
#define AscGetChipEEPCmd(port) (uchar)inp((port)+IOP_EEP_CMD)
#define AscSetChipEEPCmd(port, data) outp((port)+IOP_EEP_CMD, data)
#define AscGetChipEEPData(port) (ushort)inpw((port)+IOP_EEP_DATA)
#define AscSetChipEEPData(port, data) outpw((port)+IOP_EEP_DATA, data)
#define AscGetChipLramAddr(port) (ushort)inpw((PortAddr)((port)+IOP_RAM_ADDR))
#define AscSetChipLramAddr(port, addr) outpw((PortAddr)((port)+IOP_RAM_ADDR), addr)
#define AscGetChipLramData(port) (ushort)inpw((port)+IOP_RAM_DATA)
#define AscSetChipLramData(port, data) outpw((port)+IOP_RAM_DATA, data)
#define AscGetChipIFC(port) (uchar)inp((port)+IOP_REG_IFC)
#define AscSetChipIFC(port, data) outp((port)+IOP_REG_IFC, data)
#define AscGetChipStatus(port) (ASC_CS_TYPE)inpw((port)+IOP_STATUS)
#define AscSetChipStatus(port, cs_val) outpw((port)+IOP_STATUS, cs_val)
#define AscGetChipControl(port) (uchar)inp((port)+IOP_CTRL)
#define AscSetChipControl(port, cc_val) outp((port)+IOP_CTRL, cc_val)
#define AscGetChipSyn(port) (uchar)inp((port)+IOP_SYN_OFFSET)
#define AscSetChipSyn(port, data) outp((port)+IOP_SYN_OFFSET, data)
#define AscSetPCAddr(port, data) outpw((port)+IOP_REG_PC, data)
#define AscGetPCAddr(port) (ushort)inpw((port)+IOP_REG_PC)
#define AscIsIntPending(port) (AscGetChipStatus(port) & (CSW_INT_PENDING | CSW_SCSI_RESET_LATCH))
#define AscGetChipScsiID(port) ((AscGetChipCfgLsw(port) >> 8) & ASC_MAX_TID)
#define AscGetExtraControl(port) (uchar)inp((port)+IOP_EXTRA_CONTROL)
#define AscSetExtraControl(port, data) outp((port)+IOP_EXTRA_CONTROL, data)
#define AscReadChipAX(port) (ushort)inpw((port)+IOP_REG_AX)
#define AscWriteChipAX(port, data) outpw((port)+IOP_REG_AX, data)
#define AscReadChipIX(port) (uchar)inp((port)+IOP_REG_IX)
#define AscWriteChipIX(port, data) outp((port)+IOP_REG_IX, data)
#define AscReadChipIH(port) (ushort)inpw((port)+IOP_REG_IH)
#define AscWriteChipIH(port, data) outpw((port)+IOP_REG_IH, data)
#define AscReadChipQP(port) (uchar)inp((port)+IOP_REG_QP)
#define AscWriteChipQP(port, data) outp((port)+IOP_REG_QP, data)
#define AscReadChipFIFO_L(port) (ushort)inpw((port)+IOP_REG_FIFO_L)
#define AscWriteChipFIFO_L(port, data) outpw((port)+IOP_REG_FIFO_L, data)
#define AscReadChipFIFO_H(port) (ushort)inpw((port)+IOP_REG_FIFO_H)
#define AscWriteChipFIFO_H(port, data) outpw((port)+IOP_REG_FIFO_H, data)
#define AscReadChipDmaSpeed(port) (uchar)inp((port)+IOP_DMA_SPEED)
#define AscWriteChipDmaSpeed(port, data) outp((port)+IOP_DMA_SPEED, data)
#define AscReadChipDA0(port) (ushort)inpw((port)+IOP_REG_DA0)
#define AscWriteChipDA0(port) outpw((port)+IOP_REG_DA0, data)
#define AscReadChipDA1(port) (ushort)inpw((port)+IOP_REG_DA1)
#define AscWriteChipDA1(port) outpw((port)+IOP_REG_DA1, data)
#define AscReadChipDC0(port) (ushort)inpw((port)+IOP_REG_DC0)
#define AscWriteChipDC0(port) outpw((port)+IOP_REG_DC0, data)
#define AscReadChipDC1(port) (ushort)inpw((port)+IOP_REG_DC1)
#define AscWriteChipDC1(port) outpw((port)+IOP_REG_DC1, data)
#define AscReadChipDvcID(port) (uchar)inp((port)+IOP_REG_ID)
#define AscWriteChipDvcID(port, data) outp((port)+IOP_REG_ID, data)
#define AdvPortAddr void __iomem * /* Virtual memory address size */
#define ADV_MEM_READB(addr) readb(addr)
#define ADV_MEM_READW(addr) readw(addr)
#define ADV_MEM_WRITEB(addr, byte) writeb(byte, addr)
#define ADV_MEM_WRITEW(addr, word) writew(word, addr)
#define ADV_MEM_WRITEDW(addr, dword) writel(dword, addr)
#define ADV_TOT_SG_BLOCK ASC_DEF_MAX_HOST_QNG
#define ADV_MAX_SG_LIST 255
#define NO_OF_SG_PER_BLOCK 15
#define ADV_EEP_DVC_CFG_BEGIN (0x00)
#define ADV_EEP_DVC_CFG_END (0x15)
#define ADV_EEP_DVC_CTL_BEGIN (0x16) /* location of OEM name */
#define ADV_EEP_MAX_WORD_ADDR (0x1E)
#define ADV_EEP_DELAY_MS 100
#define ADV_EEPROM_BIG_ENDIAN 0x8000 /* EEPROM Bit 15 */
#define ADV_EEPROM_BIOS_ENABLE 0x4000 /* EEPROM Bit 14 */
#define ADV_EEPROM_TERM_POL 0x2000 /* EEPROM Bit 13 */
#define ADV_EEPROM_CIS_LD 0x2000 /* EEPROM Bit 13 */
#define ADV_EEPROM_INTAB 0x0800 /* EEPROM Bit 11 */
typedef struct adveep_3550_config {
ushort cfg_lsw;
ushort cfg_msw;
ushort disc_enable;
ushort wdtr_able;
ushort sdtr_able;
ushort start_motor;
ushort tagqng_able;
ushort bios_scan;
ushort scam_tolerant;
uchar adapter_scsi_id;
uchar bios_boot_delay;
uchar scsi_reset_delay;
uchar bios_id_lun;
uchar termination;
uchar reserved1;
ushort bios_ctrl;
ushort ultra_able;
ushort reserved2;
uchar max_host_qng;
uchar max_dvc_qng;
ushort dvc_cntl;
ushort bug_fix;
ushort serial_number_word1;
ushort serial_number_word2;
ushort serial_number_word3;
ushort check_sum;
uchar oem_name[16];
ushort dvc_err_code;
ushort adv_err_code;
ushort adv_err_addr;
ushort saved_dvc_err_code;
ushort saved_adv_err_code;
ushort saved_adv_err_addr;
ushort num_of_err;
} ADVEEP_3550_CONFIG;
typedef struct adveep_38C0800_config {
ushort cfg_lsw;
ushort cfg_msw;
ushort disc_enable;
ushort wdtr_able;
ushort sdtr_speed1;
ushort start_motor;
ushort tagqng_able;
ushort bios_scan;
ushort scam_tolerant;
uchar adapter_scsi_id;
uchar bios_boot_delay;
uchar scsi_reset_delay;
uchar bios_id_lun;
uchar termination_se;
uchar termination_lvd;
ushort bios_ctrl;
ushort sdtr_speed2;
ushort sdtr_speed3;
uchar max_host_qng;
uchar max_dvc_qng;
ushort dvc_cntl;
ushort sdtr_speed4;
ushort serial_number_word1;
ushort serial_number_word2;
ushort serial_number_word3;
ushort check_sum;
uchar oem_name[16];
ushort dvc_err_code;
ushort adv_err_code;
ushort adv_err_addr;
ushort saved_dvc_err_code;
ushort saved_adv_err_code;
ushort saved_adv_err_addr;
ushort reserved36;
ushort reserved37;
ushort reserved38;
ushort reserved39;
ushort reserved40;
ushort reserved41;
ushort reserved42;
ushort reserved43;
ushort reserved44;
ushort reserved45;
ushort reserved46;
ushort reserved47;
ushort reserved48;
ushort reserved49;
ushort reserved50;
ushort reserved51;
ushort reserved52;
ushort reserved53;
ushort reserved54;
ushort reserved55;
ushort cisptr_lsw;
ushort cisprt_msw;
ushort subsysvid;
ushort subsysid;
ushort reserved60;
ushort reserved61;
ushort reserved62;
ushort reserved63;
} ADVEEP_38C0800_CONFIG;
typedef struct adveep_38C1600_config {
ushort cfg_lsw;
ushort cfg_msw;
ushort disc_enable;
ushort wdtr_able;
ushort sdtr_speed1;
ushort start_motor;
ushort tagqng_able;
ushort bios_scan;
ushort scam_tolerant;
uchar adapter_scsi_id;
uchar bios_boot_delay;
uchar scsi_reset_delay;
uchar bios_id_lun;
uchar termination_se;
uchar termination_lvd;
ushort bios_ctrl;
ushort sdtr_speed2;
ushort sdtr_speed3;
uchar max_host_qng;
uchar max_dvc_qng;
ushort dvc_cntl;
ushort sdtr_speed4;
ushort serial_number_word1;
ushort serial_number_word2;
ushort serial_number_word3;
ushort check_sum;
uchar oem_name[16];
ushort dvc_err_code;
ushort adv_err_code;
ushort adv_err_addr;
ushort saved_dvc_err_code;
ushort saved_adv_err_code;
ushort saved_adv_err_addr;
ushort reserved36;
ushort reserved37;
ushort reserved38;
ushort reserved39;
ushort reserved40;
ushort reserved41;
ushort reserved42;
ushort reserved43;
ushort reserved44;
ushort reserved45;
ushort reserved46;
ushort reserved47;
ushort reserved48;
ushort reserved49;
ushort reserved50;
ushort reserved51;
ushort reserved52;
ushort reserved53;
ushort reserved54;
ushort reserved55;
ushort cisptr_lsw;
ushort cisprt_msw;
ushort subsysvid;
ushort subsysid;
ushort reserved60;
ushort reserved61;
ushort reserved62;
ushort reserved63;
} ADVEEP_38C1600_CONFIG;
#define ASC_EEP_CMD_DONE 0x0200
#define BIOS_CTRL_BIOS 0x0001
#define BIOS_CTRL_EXTENDED_XLAT 0x0002
#define BIOS_CTRL_GT_2_DISK 0x0004
#define BIOS_CTRL_BIOS_REMOVABLE 0x0008
#define BIOS_CTRL_BOOTABLE_CD 0x0010
#define BIOS_CTRL_MULTIPLE_LUN 0x0040
#define BIOS_CTRL_DISPLAY_MSG 0x0080
#define BIOS_CTRL_NO_SCAM 0x0100
#define BIOS_CTRL_RESET_SCSI_BUS 0x0200
#define BIOS_CTRL_INIT_VERBOSE 0x0800
#define BIOS_CTRL_SCSI_PARITY 0x1000
#define BIOS_CTRL_AIPP_DIS 0x2000
#define ADV_3550_MEMSIZE 0x2000 /* 8 KB Internal Memory */
#define ADV_38C0800_MEMSIZE 0x4000 /* 16 KB Internal Memory */
#define ADV_38C1600_MEMSIZE 0x4000 /* 16 KB Internal Memory */
#define IOPB_INTR_STATUS_REG 0x00
#define IOPB_CHIP_ID_1 0x01
#define IOPB_INTR_ENABLES 0x02
#define IOPB_CHIP_TYPE_REV 0x03
#define IOPB_RES_ADDR_4 0x04
#define IOPB_RES_ADDR_5 0x05
#define IOPB_RAM_DATA 0x06
#define IOPB_RES_ADDR_7 0x07
#define IOPB_FLAG_REG 0x08
#define IOPB_RES_ADDR_9 0x09
#define IOPB_RISC_CSR 0x0A
#define IOPB_RES_ADDR_B 0x0B
#define IOPB_RES_ADDR_C 0x0C
#define IOPB_RES_ADDR_D 0x0D
#define IOPB_SOFT_OVER_WR 0x0E
#define IOPB_RES_ADDR_F 0x0F
#define IOPB_MEM_CFG 0x10
#define IOPB_RES_ADDR_11 0x11
#define IOPB_GPIO_DATA 0x12
#define IOPB_RES_ADDR_13 0x13
#define IOPB_FLASH_PAGE 0x14
#define IOPB_RES_ADDR_15 0x15
#define IOPB_GPIO_CNTL 0x16
#define IOPB_RES_ADDR_17 0x17
#define IOPB_FLASH_DATA 0x18
#define IOPB_RES_ADDR_19 0x19
#define IOPB_RES_ADDR_1A 0x1A
#define IOPB_RES_ADDR_1B 0x1B
#define IOPB_RES_ADDR_1C 0x1C
#define IOPB_RES_ADDR_1D 0x1D
#define IOPB_RES_ADDR_1E 0x1E
#define IOPB_RES_ADDR_1F 0x1F
#define IOPB_DMA_CFG0 0x20
#define IOPB_DMA_CFG1 0x21
#define IOPB_TICKLE 0x22
#define IOPB_DMA_REG_WR 0x23
#define IOPB_SDMA_STATUS 0x24
#define IOPB_SCSI_BYTE_CNT 0x25
#define IOPB_HOST_BYTE_CNT 0x26
#define IOPB_BYTE_LEFT_TO_XFER 0x27
#define IOPB_BYTE_TO_XFER_0 0x28
#define IOPB_BYTE_TO_XFER_1 0x29
#define IOPB_BYTE_TO_XFER_2 0x2A
#define IOPB_BYTE_TO_XFER_3 0x2B
#define IOPB_ACC_GRP 0x2C
#define IOPB_RES_ADDR_2D 0x2D
#define IOPB_DEV_ID 0x2E
#define IOPB_RES_ADDR_2F 0x2F
#define IOPB_SCSI_DATA 0x30
#define IOPB_RES_ADDR_31 0x31
#define IOPB_RES_ADDR_32 0x32
#define IOPB_SCSI_DATA_HSHK 0x33
#define IOPB_SCSI_CTRL 0x34
#define IOPB_RES_ADDR_35 0x35
#define IOPB_RES_ADDR_36 0x36
#define IOPB_RES_ADDR_37 0x37
#define IOPB_RAM_BIST 0x38
#define IOPB_PLL_TEST 0x39
#define IOPB_PCI_INT_CFG 0x3A
#define IOPB_RES_ADDR_3B 0x3B
#define IOPB_RFIFO_CNT 0x3C
#define IOPB_RES_ADDR_3D 0x3D
#define IOPB_RES_ADDR_3E 0x3E
#define IOPB_RES_ADDR_3F 0x3F
#define IOPW_CHIP_ID_0 0x00 /* CID0 */
#define IOPW_CTRL_REG 0x02 /* CC */
#define IOPW_RAM_ADDR 0x04 /* LA */
#define IOPW_RAM_DATA 0x06 /* LD */
#define IOPW_RES_ADDR_08 0x08
#define IOPW_RISC_CSR 0x0A /* CSR */
#define IOPW_SCSI_CFG0 0x0C /* CFG0 */
#define IOPW_SCSI_CFG1 0x0E /* CFG1 */
#define IOPW_RES_ADDR_10 0x10
#define IOPW_SEL_MASK 0x12 /* SM */
#define IOPW_RES_ADDR_14 0x14
#define IOPW_FLASH_ADDR 0x16 /* FA */
#define IOPW_RES_ADDR_18 0x18
#define IOPW_EE_CMD 0x1A /* EC */
#define IOPW_EE_DATA 0x1C /* ED */
#define IOPW_SFIFO_CNT 0x1E /* SFC */
#define IOPW_RES_ADDR_20 0x20
#define IOPW_Q_BASE 0x22 /* QB */
#define IOPW_QP 0x24 /* QP */
#define IOPW_IX 0x26 /* IX */
#define IOPW_SP 0x28 /* SP */
#define IOPW_PC 0x2A /* PC */
#define IOPW_RES_ADDR_2C 0x2C
#define IOPW_RES_ADDR_2E 0x2E
#define IOPW_SCSI_DATA 0x30 /* SD */
#define IOPW_SCSI_DATA_HSHK 0x32 /* SDH */
#define IOPW_SCSI_CTRL 0x34 /* SC */
#define IOPW_HSHK_CFG 0x36 /* HCFG */
#define IOPW_SXFR_STATUS 0x36 /* SXS */
#define IOPW_SXFR_CNTL 0x38 /* SXL */
#define IOPW_SXFR_CNTH 0x3A /* SXH */
#define IOPW_RES_ADDR_3C 0x3C
#define IOPW_RFIFO_DATA 0x3E /* RFD */
#define IOPDW_RES_ADDR_0 0x00
#define IOPDW_RAM_DATA 0x04
#define IOPDW_RES_ADDR_8 0x08
#define IOPDW_RES_ADDR_C 0x0C
#define IOPDW_RES_ADDR_10 0x10
#define IOPDW_COMMA 0x14
#define IOPDW_COMMB 0x18
#define IOPDW_RES_ADDR_1C 0x1C
#define IOPDW_SDMA_ADDR0 0x20
#define IOPDW_SDMA_ADDR1 0x24
#define IOPDW_SDMA_COUNT 0x28
#define IOPDW_SDMA_ERROR 0x2C
#define IOPDW_RDMA_ADDR0 0x30
#define IOPDW_RDMA_ADDR1 0x34
#define IOPDW_RDMA_COUNT 0x38
#define IOPDW_RDMA_ERROR 0x3C
#define ADV_CHIP_ID_BYTE 0x25
#define ADV_CHIP_ID_WORD 0x04C1
#define ADV_INTR_ENABLE_HOST_INTR 0x01
#define ADV_INTR_ENABLE_SEL_INTR 0x02
#define ADV_INTR_ENABLE_DPR_INTR 0x04
#define ADV_INTR_ENABLE_RTA_INTR 0x08
#define ADV_INTR_ENABLE_RMA_INTR 0x10
#define ADV_INTR_ENABLE_RST_INTR 0x20
#define ADV_INTR_ENABLE_DPE_INTR 0x40
#define ADV_INTR_ENABLE_GLOBAL_INTR 0x80
#define ADV_INTR_STATUS_INTRA 0x01
#define ADV_INTR_STATUS_INTRB 0x02
#define ADV_INTR_STATUS_INTRC 0x04
#define ADV_RISC_CSR_STOP (0x0000)
#define ADV_RISC_TEST_COND (0x2000)
#define ADV_RISC_CSR_RUN (0x4000)
#define ADV_RISC_CSR_SINGLE_STEP (0x8000)
#define ADV_CTRL_REG_HOST_INTR 0x0100
#define ADV_CTRL_REG_SEL_INTR 0x0200
#define ADV_CTRL_REG_DPR_INTR 0x0400
#define ADV_CTRL_REG_RTA_INTR 0x0800
#define ADV_CTRL_REG_RMA_INTR 0x1000
#define ADV_CTRL_REG_RES_BIT14 0x2000
#define ADV_CTRL_REG_DPE_INTR 0x4000
#define ADV_CTRL_REG_POWER_DONE 0x8000
#define ADV_CTRL_REG_ANY_INTR 0xFF00
#define ADV_CTRL_REG_CMD_RESET 0x00C6
#define ADV_CTRL_REG_CMD_WR_IO_REG 0x00C5
#define ADV_CTRL_REG_CMD_RD_IO_REG 0x00C4
#define ADV_CTRL_REG_CMD_WR_PCI_CFG_SPACE 0x00C3
#define ADV_CTRL_REG_CMD_RD_PCI_CFG_SPACE 0x00C2
#define ADV_TICKLE_NOP 0x00
#define ADV_TICKLE_A 0x01
#define ADV_TICKLE_B 0x02
#define ADV_TICKLE_C 0x03
#define AdvIsIntPending(port) \
(AdvReadWordRegister(port, IOPW_CTRL_REG) & ADV_CTRL_REG_HOST_INTR)
#define TIMER_MODEAB 0xC000 /* Watchdog, Second, and Select. Timer Ctrl. */
#define PARITY_EN 0x2000 /* Enable SCSI Parity Error detection */
#define EVEN_PARITY 0x1000 /* Select Even Parity */
#define WD_LONG 0x0800 /* Watchdog Interval, 1: 57 min, 0: 13 sec */
#define QUEUE_128 0x0400 /* Queue Size, 1: 128 byte, 0: 64 byte */
#define PRIM_MODE 0x0100 /* Primitive SCSI mode */
#define SCAM_EN 0x0080 /* Enable SCAM selection */
#define SEL_TMO_LONG 0x0040 /* Sel/Resel Timeout, 1: 400 ms, 0: 1.6 ms */
#define CFRM_ID 0x0020 /* SCAM id sel. confirm., 1: fast, 0: 6.4 ms */
#define OUR_ID_EN 0x0010 /* Enable OUR_ID bits */
#define OUR_ID 0x000F /* SCSI ID */
#define BIG_ENDIAN 0x8000 /* Enable Big Endian Mode MIO:15, EEP:15 */
#define TERM_POL 0x2000 /* Terminator Polarity Ctrl. MIO:13, EEP:13 */
#define SLEW_RATE 0x1000 /* SCSI output buffer slew rate */
#define FILTER_SEL 0x0C00 /* Filter Period Selection */
#define FLTR_DISABLE 0x0000 /* Input Filtering Disabled */
#define FLTR_11_TO_20NS 0x0800 /* Input Filtering 11ns to 20ns */
#define FLTR_21_TO_39NS 0x0C00 /* Input Filtering 21ns to 39ns */
#define ACTIVE_DBL 0x0200 /* Disable Active Negation */
#define DIFF_MODE 0x0100 /* SCSI differential Mode (Read-Only) */
#define DIFF_SENSE 0x0080 /* 1: No SE cables, 0: SE cable (Read-Only) */
#define TERM_CTL_SEL 0x0040 /* Enable TERM_CTL_H and TERM_CTL_L */
#define TERM_CTL 0x0030 /* External SCSI Termination Bits */
#define TERM_CTL_H 0x0020 /* Enable External SCSI Upper Termination */
#define TERM_CTL_L 0x0010 /* Enable External SCSI Lower Termination */
#define CABLE_DETECT 0x000F /* External SCSI Cable Connection Status */
#define DIS_TERM_DRV 0x4000 /* 1: Read c_det[3:0], 0: cannot read */
#define HVD_LVD_SE 0x1C00 /* Device Detect Bits */
#define HVD 0x1000 /* HVD Device Detect */
#define LVD 0x0800 /* LVD Device Detect */
#define SE 0x0400 /* SE Device Detect */
#define TERM_LVD 0x00C0 /* LVD Termination Bits */
#define TERM_LVD_HI 0x0080 /* Enable LVD Upper Termination */
#define TERM_LVD_LO 0x0040 /* Enable LVD Lower Termination */
#define TERM_SE 0x0030 /* SE Termination Bits */
#define TERM_SE_HI 0x0020 /* Enable SE Upper Termination */
#define TERM_SE_LO 0x0010 /* Enable SE Lower Termination */
#define C_DET_LVD 0x000C /* LVD Cable Detect Bits */
#define C_DET3 0x0008 /* Cable Detect for LVD External Wide */
#define C_DET2 0x0004 /* Cable Detect for LVD Internal Wide */
#define C_DET_SE 0x0003 /* SE Cable Detect Bits */
#define C_DET1 0x0002 /* Cable Detect for SE Internal Wide */
#define C_DET0 0x0001 /* Cable Detect for SE Internal Narrow */
#define CABLE_ILLEGAL_A 0x7
#define CABLE_ILLEGAL_B 0xB
#define BIOS_EN 0x40 /* BIOS Enable MIO:14,EEP:14 */
#define FAST_EE_CLK 0x20 /* Diagnostic Bit */
#define RAM_SZ 0x1C /* Specify size of RAM to RISC */
#define RAM_SZ_2KB 0x00 /* 2 KB */
#define RAM_SZ_4KB 0x04 /* 4 KB */
#define RAM_SZ_8KB 0x08 /* 8 KB */
#define RAM_SZ_16KB 0x0C /* 16 KB */
#define RAM_SZ_32KB 0x10 /* 32 KB */
#define RAM_SZ_64KB 0x14 /* 64 KB */
#define BC_THRESH_ENB 0x80 /* PCI DMA Start Conditions */
#define FIFO_THRESH 0x70 /* PCI DMA FIFO Threshold */
#define FIFO_THRESH_16B 0x00 /* 16 bytes */
#define FIFO_THRESH_32B 0x20 /* 32 bytes */
#define FIFO_THRESH_48B 0x30 /* 48 bytes */
#define FIFO_THRESH_64B 0x40 /* 64 bytes */
#define FIFO_THRESH_80B 0x50 /* 80 bytes (default) */
#define FIFO_THRESH_96B 0x60 /* 96 bytes */
#define FIFO_THRESH_112B 0x70 /* 112 bytes */
#define START_CTL 0x0C /* DMA start conditions */
#define START_CTL_TH 0x00 /* Wait threshold level (default) */
#define START_CTL_ID 0x04 /* Wait SDMA/SBUS idle */
#define START_CTL_THID 0x08 /* Wait threshold and SDMA/SBUS idle */
#define START_CTL_EMFU 0x0C /* Wait SDMA FIFO empty/full */
#define READ_CMD 0x03 /* Memory Read Method */
#define READ_CMD_MR 0x00 /* Memory Read */
#define READ_CMD_MRL 0x02 /* Memory Read Long */
#define READ_CMD_MRM 0x03 /* Memory Read Multiple (default) */
#define RAM_TEST_MODE 0x80
#define PRE_TEST_MODE 0x40
#define NORMAL_MODE 0x00
#define RAM_TEST_DONE 0x10
#define RAM_TEST_STATUS 0x0F
#define RAM_TEST_HOST_ERROR 0x08
#define RAM_TEST_INTRAM_ERROR 0x04
#define RAM_TEST_RISC_ERROR 0x02
#define RAM_TEST_SCSI_ERROR 0x01
#define RAM_TEST_SUCCESS 0x00
#define PRE_TEST_VALUE 0x05
#define NORMAL_VALUE 0x00
#define INTAB_LD 0x80 /* Value loaded from EEPROM Bit 11. */
#define TOTEMPOLE 0x02
#define INTAB 0x01
#define ADV_TRUE 1
#define ADV_FALSE 0
#define ADV_SUCCESS 1
#define ADV_BUSY 0
#define ADV_ERROR (-1)
#define ASC_WARN_BUSRESET_ERROR 0x0001 /* SCSI Bus Reset error */
#define ASC_WARN_EEPROM_CHKSUM 0x0002 /* EEP check sum error */
#define ASC_WARN_EEPROM_TERMINATION 0x0004 /* EEP termination bad field */
#define ASC_WARN_ERROR 0xFFFF /* ADV_ERROR return */
#define ADV_MAX_TID 15 /* max. target identifier */
#define ADV_MAX_LUN 7 /* max. logical unit number */
#define ASC_MC_CODE_BEGIN_ADDR 0x0028 /* microcode start address */
#define ASC_MC_CODE_END_ADDR 0x002A /* microcode end address */
#define ASC_MC_CODE_CHK_SUM 0x002C /* microcode code checksum */
#define ASC_MC_VERSION_DATE 0x0038 /* microcode version */
#define ASC_MC_VERSION_NUM 0x003A /* microcode number */
#define ASC_MC_BIOSMEM 0x0040 /* BIOS RISC Memory Start */
#define ASC_MC_BIOSLEN 0x0050 /* BIOS RISC Memory Length */
#define ASC_MC_BIOS_SIGNATURE 0x0058 /* BIOS Signature 0x55AA */
#define ASC_MC_BIOS_VERSION 0x005A /* BIOS Version (2 bytes) */
#define ASC_MC_SDTR_SPEED1 0x0090 /* SDTR Speed for TID 0-3 */
#define ASC_MC_SDTR_SPEED2 0x0092 /* SDTR Speed for TID 4-7 */
#define ASC_MC_SDTR_SPEED3 0x0094 /* SDTR Speed for TID 8-11 */
#define ASC_MC_SDTR_SPEED4 0x0096 /* SDTR Speed for TID 12-15 */
#define ASC_MC_CHIP_TYPE 0x009A
#define ASC_MC_INTRB_CODE 0x009B
#define ASC_MC_WDTR_ABLE 0x009C
#define ASC_MC_SDTR_ABLE 0x009E
#define ASC_MC_TAGQNG_ABLE 0x00A0
#define ASC_MC_DISC_ENABLE 0x00A2
#define ASC_MC_IDLE_CMD_STATUS 0x00A4
#define ASC_MC_IDLE_CMD 0x00A6
#define ASC_MC_IDLE_CMD_PARAMETER 0x00A8
#define ASC_MC_DEFAULT_SCSI_CFG0 0x00AC
#define ASC_MC_DEFAULT_SCSI_CFG1 0x00AE
#define ASC_MC_DEFAULT_MEM_CFG 0x00B0
#define ASC_MC_DEFAULT_SEL_MASK 0x00B2
#define ASC_MC_SDTR_DONE 0x00B6
#define ASC_MC_NUMBER_OF_QUEUED_CMD 0x00C0
#define ASC_MC_NUMBER_OF_MAX_CMD 0x00D0
#define ASC_MC_DEVICE_HSHK_CFG_TABLE 0x0100
#define ASC_MC_CONTROL_FLAG 0x0122 /* Microcode control flag. */
#define ASC_MC_WDTR_DONE 0x0124
#define ASC_MC_CAM_MODE_MASK 0x015E /* CAM mode TID bitmask. */
#define ASC_MC_ICQ 0x0160
#define ASC_MC_IRQ 0x0164
#define ASC_MC_PPR_ABLE 0x017A
#define BIOS_CODESEG 0x54
#define BIOS_CODELEN 0x56
#define BIOS_SIGNATURE 0x58
#define BIOS_VERSION 0x5A
#define CONTROL_FLAG_IGNORE_PERR 0x0001 /* Ignore DMA Parity Errors */
#define CONTROL_FLAG_ENABLE_AIPP 0x0002 /* Enabled AIPP checking. */
#define HSHK_CFG_WIDE_XFR 0x8000
#define HSHK_CFG_RATE 0x0F00
#define HSHK_CFG_OFFSET 0x001F
#define ASC_DEF_MAX_HOST_QNG 0xFD /* Max. number of host commands (253) */
#define ASC_DEF_MIN_HOST_QNG 0x10 /* Min. number of host commands (16) */
#define ASC_DEF_MAX_DVC_QNG 0x3F /* Max. number commands per device (63) */
#define ASC_DEF_MIN_DVC_QNG 0x04 /* Min. number commands per device (4) */
#define ASC_QC_DATA_CHECK 0x01 /* Require ASC_QC_DATA_OUT set or clear. */
#define ASC_QC_DATA_OUT 0x02 /* Data out DMA transfer. */
#define ASC_QC_START_MOTOR 0x04 /* Send auto-start motor before request. */
#define ASC_QC_NO_OVERRUN 0x08 /* Don't report overrun. */
#define ASC_QC_FREEZE_TIDQ 0x10 /* Freeze TID queue after request. XXX TBD */
#define ASC_QSC_NO_DISC 0x01 /* Don't allow disconnect for request. */
#define ASC_QSC_NO_TAGMSG 0x02 /* Don't allow tag queuing for request. */
#define ASC_QSC_NO_SYNC 0x04 /* Don't use Synch. transfer on request. */
#define ASC_QSC_NO_WIDE 0x08 /* Don't use Wide transfer on request. */
#define ASC_QSC_REDO_DTR 0x10 /* Renegotiate WDTR/SDTR before request. */
#define ASC_QSC_HEAD_TAG 0x40 /* Use Head Tag Message (0x21). */
#define ASC_QSC_ORDERED_TAG 0x80 /* Use Ordered Tag Message (0x22). */
typedef struct adv_carr_t {
__le32 carr_va;
__le32 carr_pa;
__le32 areq_vpa;
__le32 next_vpa;
} ADV_CARR_T;
#define ADV_NEXT_VPA_MASK 0xFFFFFFF0
#define ADV_RQ_DONE 0x00000001
#define ADV_RQ_GOOD 0x00000002
#define ADV_CQ_STOPPER 0x00000000
#define ADV_GET_CARRP(carrp) ((carrp) & ADV_NEXT_VPA_MASK)
#define ADV_CARRIER_COUNT (ASC_DEF_MAX_HOST_QNG + 3)
#define ADV_CARRIER_BUFSIZE \
(ADV_CARRIER_COUNT * sizeof(ADV_CARR_T))
#define ADV_CHIP_ASC3550 0x01 /* Ultra-Wide IC */
#define ADV_CHIP_ASC38C0800 0x02 /* Ultra2-Wide/LVD IC */
#define ADV_CHIP_ASC38C1600 0x03 /* Ultra3-Wide/LVD2 IC */
typedef struct adv_dvc_cfg {
ushort disc_enable;
uchar chip_version;
uchar termination;
ushort control_flag;
ushort mcode_date;
ushort mcode_version;
ushort serial1;
ushort serial2;
ushort serial3;
} ADV_DVC_CFG;
struct adv_dvc_var;
struct adv_scsi_req_q;
typedef struct adv_sg_block {
uchar reserved1;
uchar reserved2;
uchar reserved3;
uchar sg_cnt;
__le32 sg_ptr;
struct {
__le32 sg_addr;
__le32 sg_count;
} sg_list[NO_OF_SG_PER_BLOCK];
} ADV_SG_BLOCK;
typedef struct adv_scsi_req_q {
uchar cntl;
uchar target_cmd;
uchar target_id;
uchar target_lun;
__le32 data_addr;
__le32 data_cnt;
__le32 sense_addr;
__le32 carr_pa;
uchar mflag;
uchar sense_len;
uchar cdb_len;
uchar scsi_cntl;
uchar done_status;
uchar scsi_status;
uchar host_status;
uchar sg_working_ix;
uchar cdb[12];
__le32 sg_real_addr;
__le32 scsiq_rptr;
uchar cdb16[4];
__le32 scsiq_ptr;
__le32 carr_va;
u32 srb_tag;
ADV_SG_BLOCK *sg_list_ptr;
} ADV_SCSI_REQ_Q;
typedef struct adv_sgblk {
ADV_SG_BLOCK sg_block;
dma_addr_t sg_addr;
struct adv_sgblk *next_sgblkp;
} adv_sgblk_t;
typedef struct adv_req {
ADV_SCSI_REQ_Q scsi_req_q;
uchar align[24];
struct scsi_cmnd *cmndp;
dma_addr_t req_addr;
adv_sgblk_t *sgblkp;
} adv_req_t __aligned(32);
typedef struct adv_dvc_var {
AdvPortAddr iop_base;
ushort err_code;
ushort bios_ctrl;
ushort wdtr_able;
ushort sdtr_able;
ushort ultra_able;
ushort sdtr_speed1;
ushort sdtr_speed2;
ushort sdtr_speed3;
ushort sdtr_speed4;
ushort tagqng_able;
ushort ppr_able;
uchar max_dvc_qng;
ushort start_motor;
uchar scsi_reset_wait;
uchar chip_no;
uchar max_host_qng;
ushort no_scam;
struct asc_board *drv_ptr;
uchar chip_scsi_id;
uchar chip_type;
uchar bist_err_code;
ADV_CARR_T *carrier;
ADV_CARR_T *carr_freelist;
dma_addr_t carrier_addr;
ADV_CARR_T *icq_sp;
ADV_CARR_T *irq_sp;
ushort carr_pending_cnt;
ADV_DVC_CFG *cfg;
} ADV_DVC_VAR;
#define IDLE_CMD_COMPLETED 0
#define IDLE_CMD_STOP_CHIP 0x0001
#define IDLE_CMD_STOP_CHIP_SEND_INT 0x0002
#define IDLE_CMD_SEND_INT 0x0004
#define IDLE_CMD_ABORT 0x0008
#define IDLE_CMD_DEVICE_RESET 0x0010
#define IDLE_CMD_SCSI_RESET_START 0x0020 /* Assert SCSI Bus Reset */
#define IDLE_CMD_SCSI_RESET_END 0x0040 /* Deassert SCSI Bus Reset */
#define IDLE_CMD_SCSIREQ 0x0080
#define IDLE_CMD_STATUS_SUCCESS 0x0001
#define IDLE_CMD_STATUS_FAILURE 0x0002
#define ADV_NOWAIT 0x01
#define SCSI_WAIT_100_MSEC 100UL /* 100 milliseconds */
#define SCSI_US_PER_MSEC 1000 /* microseconds per millisecond */
#define SCSI_MAX_RETRY 10 /* retry count */
#define ADV_ASYNC_RDMA_FAILURE 0x01 /* Fatal RDMA failure. */
#define ADV_ASYNC_SCSI_BUS_RESET_DET 0x02 /* Detected SCSI Bus Reset. */
#define ADV_ASYNC_CARRIER_READY_FAILURE 0x03 /* Carrier Ready failure. */
#define ADV_RDMA_IN_CARR_AND_Q_INVALID 0x04 /* RDMAed-in data invalid. */
#define ADV_HOST_SCSI_BUS_RESET 0x80 /* Host Initiated SCSI Bus Reset. */
#define AdvReadByteRegister(iop_base, reg_off) \
(ADV_MEM_READB((iop_base) + (reg_off)))
#define AdvWriteByteRegister(iop_base, reg_off, byte) \
(ADV_MEM_WRITEB((iop_base) + (reg_off), (byte)))
#define AdvReadWordRegister(iop_base, reg_off) \
(ADV_MEM_READW((iop_base) + (reg_off)))
#define AdvWriteWordRegister(iop_base, reg_off, word) \
(ADV_MEM_WRITEW((iop_base) + (reg_off), (word)))
#define AdvWriteDWordRegister(iop_base, reg_off, dword) \
(ADV_MEM_WRITEDW((iop_base) + (reg_off), (dword)))
#define AdvReadByteLram(iop_base, addr, byte) \
do { \
ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)); \
(byte) = ADV_MEM_READB((iop_base) + IOPB_RAM_DATA); \
} while (0)
#define AdvWriteByteLram(iop_base, addr, byte) \
(ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \
ADV_MEM_WRITEB((iop_base) + IOPB_RAM_DATA, (byte)))
#define AdvReadWordLram(iop_base, addr, word) \
do { \
ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)); \
(word) = (ADV_MEM_READW((iop_base) + IOPW_RAM_DATA)); \
} while (0)
#define AdvWriteWordLram(iop_base, addr, word) \
(ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \
ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, (word)))
#define AdvWriteDWordLramNoSwap(iop_base, addr, dword) \
((ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \
ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, \
cpu_to_le16((ushort) ((dword) & 0xFFFF)))), \
(ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr) + 2), \
ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, \
cpu_to_le16((ushort) ((dword >> 16) & 0xFFFF)))))
#define AdvReadWordAutoIncLram(iop_base) \
(ADV_MEM_READW((iop_base) + IOPW_RAM_DATA))
#define AdvWriteWordAutoIncLram(iop_base, word) \
(ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, (word)))
#define AdvFindSignature(iop_base) \
(((AdvReadByteRegister((iop_base), IOPB_CHIP_ID_1) == \
ADV_CHIP_ID_BYTE) && \
(AdvReadWordRegister((iop_base), IOPW_CHIP_ID_0) == \
ADV_CHIP_ID_WORD)) ? ADV_TRUE : ADV_FALSE)
#define AdvGetChipVersion(iop_base, bus_type) \
AdvReadByteRegister((iop_base), IOPB_CHIP_TYPE_REV)
#define AdvAbortQueue(asc_dvc, srb_tag) \
AdvSendIdleCmd((asc_dvc), (ushort) IDLE_CMD_ABORT, \
(ADV_DCNT) (srb_tag))
#define AdvResetDevice(asc_dvc, target_id) \
AdvSendIdleCmd((asc_dvc), (ushort) IDLE_CMD_DEVICE_RESET, \
(ADV_DCNT) (target_id))
#define ADV_SCSI_BIT_ID_TYPE ushort
#define ADV_SCAN_LUN 0x01
#define ADV_CAPINFO_NOLUN 0x02
#define ADV_TID_TO_TIDMASK(tid) (0x01 << ((tid) & ADV_MAX_TID))
#define QD_NO_STATUS 0x00 /* Request not completed yet. */
#define QD_NO_ERROR 0x01
#define QD_ABORTED_BY_HOST 0x02
#define QD_WITH_ERROR 0x04
#define QHSTA_NO_ERROR 0x00
#define QHSTA_M_SEL_TIMEOUT 0x11
#define QHSTA_M_DATA_OVER_RUN 0x12
#define QHSTA_M_UNEXPECTED_BUS_FREE 0x13
#define QHSTA_M_QUEUE_ABORTED 0x15
#define QHSTA_M_SXFR_SDMA_ERR 0x16 /* SXFR_STATUS SCSI DMA Error */
#define QHSTA_M_SXFR_SXFR_PERR 0x17 /* SXFR_STATUS SCSI Bus Parity Error */
#define QHSTA_M_RDMA_PERR 0x18 /* RISC PCI DMA parity error */
#define QHSTA_M_SXFR_OFF_UFLW 0x19 /* SXFR_STATUS Offset Underflow */
#define QHSTA_M_SXFR_OFF_OFLW 0x20 /* SXFR_STATUS Offset Overflow */
#define QHSTA_M_SXFR_WD_TMO 0x21 /* SXFR_STATUS Watchdog Timeout */
#define QHSTA_M_SXFR_DESELECTED 0x22 /* SXFR_STATUS Deselected */
#define QHSTA_M_SXFR_XFR_OFLW 0x12 /* SXFR_STATUS Transfer Overflow */
#define QHSTA_M_SXFR_XFR_PH_ERR 0x24 /* SXFR_STATUS Transfer Phase Error */
#define QHSTA_M_SXFR_UNKNOWN_ERROR 0x25 /* SXFR_STATUS Unknown Error */
#define QHSTA_M_SCSI_BUS_RESET 0x30 /* Request aborted from SBR */
#define QHSTA_M_SCSI_BUS_RESET_UNSOL 0x31 /* Request aborted from unsol. SBR */
#define QHSTA_M_BUS_DEVICE_RESET 0x32 /* Request aborted from BDR */
#define QHSTA_M_DIRECTION_ERR 0x35 /* Data Phase mismatch */
#define QHSTA_M_DIRECTION_ERR_HUNG 0x36 /* Data Phase mismatch and bus hang */
#define QHSTA_M_WTM_TIMEOUT 0x41
#define QHSTA_M_BAD_CMPL_STATUS_IN 0x42
#define QHSTA_M_NO_AUTO_REQ_SENSE 0x43
#define QHSTA_M_AUTO_REQ_SENSE_FAIL 0x44
#define QHSTA_M_INVALID_DEVICE 0x45 /* Bad target ID */
#define QHSTA_M_FROZEN_TIDQ 0x46 /* TID Queue frozen. */
#define QHSTA_M_SGBACKUP_ERROR 0x47 /* Scatter-Gather backup error */
#define ADV_32BALIGN(addr) (((ulong) (addr) + 0x1F) & ~0x1F)
#define ADV_SG_LIST_MAX_BYTE_SIZE \
(sizeof(ADV_SG_BLOCK) * \
((ADV_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK))
#define ASC_IS_WIDE_BOARD 0x04 /* AdvanSys Wide Board */
#define ASC_NARROW_BOARD(boardp) (((boardp)->flags & ASC_IS_WIDE_BOARD) == 0)
#define NO_ISA_DMA 0xff /* No ISA DMA Channel Used */
#define ASC_INFO_SIZE 128 /* advansys_info() line size */
#define ASC_TRUE 1
#define ASC_FALSE 0
#define ASC_NOERROR 1
#define ASC_BUSY 0
#define ASC_ERROR (-1)
#define ASC_STATS(shost, counter) ASC_STATS_ADD(shost, counter, 1)
#ifndef ADVANSYS_STATS
#define ASC_STATS_ADD(shost, counter, count)
#else /* ADVANSYS_STATS */
#define ASC_STATS_ADD(shost, counter, count) \
(((struct asc_board *) shost_priv(shost))->asc_stats.counter += (count))
#endif /* ADVANSYS_STATS */
#define ASC_TENTHS(num, den) \
(((10 * ((num)/(den))) > (((num) * 10)/(den))) ? \
0 : ((((num) * 10)/(den)) - (10 * ((num)/(den)))))
#define ASC_PRINT(s) \
{ \
printk("advansys: "); \
printk(s); \
}
#define ASC_PRINT1(s, a1) \
{ \
printk("advansys: "); \
printk((s), (a1)); \
}
#define ASC_PRINT2(s, a1, a2) \
{ \
printk("advansys: "); \
printk((s), (a1), (a2)); \
}
#define ASC_PRINT3(s, a1, a2, a3) \
{ \
printk("advansys: "); \
printk((s), (a1), (a2), (a3)); \
}
#define ASC_PRINT4(s, a1, a2, a3, a4) \
{ \
printk("advansys: "); \
printk((s), (a1), (a2), (a3), (a4)); \
}
#ifndef ADVANSYS_DEBUG
#define ASC_DBG(lvl, s...)
#define ASC_DBG_PRT_SCSI_HOST(lvl, s)
#define ASC_DBG_PRT_ASC_SCSI_Q(lvl, scsiqp)
#define ASC_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp)
#define ASC_DBG_PRT_ASC_QDONE_INFO(lvl, qdone)
#define ADV_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp)
#define ASC_DBG_PRT_HEX(lvl, name, start, length)
#define ASC_DBG_PRT_CDB(lvl, cdb, len)
#define ASC_DBG_PRT_SENSE(lvl, sense, len)
#define ASC_DBG_PRT_INQUIRY(lvl, inq, len)
#else /* ADVANSYS_DEBUG */
#define ASC_DBG(lvl, format, arg...) { \
if (asc_dbglvl >= (lvl)) \
printk(KERN_DEBUG "%s: %s: " format, DRV_NAME, \
__func__ , ## arg); \
}
#define ASC_DBG_PRT_SCSI_HOST(lvl, s) \
{ \
if (asc_dbglvl >= (lvl)) { \
asc_prt_scsi_host(s); \
} \
}
#define ASC_DBG_PRT_ASC_SCSI_Q(lvl, scsiqp) \
{ \
if (asc_dbglvl >= (lvl)) { \
asc_prt_asc_scsi_q(scsiqp); \
} \
}
#define ASC_DBG_PRT_ASC_QDONE_INFO(lvl, qdone) \
{ \
if (asc_dbglvl >= (lvl)) { \
asc_prt_asc_qdone_info(qdone); \
} \
}
#define ASC_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp) \
{ \
if (asc_dbglvl >= (lvl)) { \
asc_prt_adv_scsi_req_q(scsiqp); \
} \
}
#define ASC_DBG_PRT_HEX(lvl, name, start, length) \
{ \
if (asc_dbglvl >= (lvl)) { \
asc_prt_hex((name), (start), (length)); \
} \
}
#define ASC_DBG_PRT_CDB(lvl, cdb, len) \
ASC_DBG_PRT_HEX((lvl), "CDB", (uchar *) (cdb), (len));
#define ASC_DBG_PRT_SENSE(lvl, sense, len) \
ASC_DBG_PRT_HEX((lvl), "SENSE", (uchar *) (sense), (len));
#define ASC_DBG_PRT_INQUIRY(lvl, inq, len) \
ASC_DBG_PRT_HEX((lvl), "INQUIRY", (uchar *) (inq), (len));
#endif /* ADVANSYS_DEBUG */
#ifdef ADVANSYS_STATS
struct asc_stats {
unsigned int queuecommand;
unsigned int reset;
unsigned int biosparam;
unsigned int interrupt;
unsigned int callback;
unsigned int done;
unsigned int build_error;
unsigned int adv_build_noreq;
unsigned int adv_build_nosg;
unsigned int exe_noerror;
unsigned int exe_busy;
unsigned int exe_error;
unsigned int exe_unknown;
unsigned int xfer_cnt;
unsigned int xfer_elem;
unsigned int xfer_sect;
};
#endif /* ADVANSYS_STATS */
struct asc_board {
struct device *dev;
struct Scsi_Host *shost;
uint flags;
unsigned int irq;
union {
ASC_DVC_VAR asc_dvc_var;
ADV_DVC_VAR adv_dvc_var;
} dvc_var;
union {
ASC_DVC_CFG asc_dvc_cfg;
ADV_DVC_CFG adv_dvc_cfg;
} dvc_cfg;
ushort asc_n_io_port;
ADV_SCSI_BIT_ID_TYPE init_tidmask;
ushort reqcnt[ADV_MAX_TID + 1];
ADV_SCSI_BIT_ID_TYPE queue_full;
ushort queue_full_cnt[ADV_MAX_TID + 1];
union {
ASCEEP_CONFIG asc_eep;
ADVEEP_3550_CONFIG adv_3550_eep;
ADVEEP_38C0800_CONFIG adv_38C0800_eep;
ADVEEP_38C1600_CONFIG adv_38C1600_eep;
} eep_config;
#ifdef ADVANSYS_STATS
struct asc_stats asc_stats;
#endif /* ADVANSYS_STATS */
uchar sdtr_data[ASC_MAX_TID + 1];
void __iomem *ioremap_addr;
ushort ioport;
adv_req_t *adv_reqp;
dma_addr_t adv_reqp_addr;
size_t adv_reqp_size;
struct dma_pool *adv_sgblk_pool;
ushort bios_signature;
ushort bios_version;
ushort bios_codeseg;
ushort bios_codelen;
};
#define asc_dvc_to_board(asc_dvc) container_of(asc_dvc, struct asc_board, \
dvc_var.asc_dvc_var)
#define adv_dvc_to_board(adv_dvc) container_of(adv_dvc, struct asc_board, \
dvc_var.adv_dvc_var)
#define adv_dvc_to_pdev(adv_dvc) to_pci_dev(adv_dvc_to_board(adv_dvc)->dev)
struct advansys_cmd {
dma_addr_t dma_handle;
};
static struct advansys_cmd *advansys_cmd(struct scsi_cmnd *cmd)
{
return scsi_cmd_priv(cmd);
}
#ifdef ADVANSYS_DEBUG
static int asc_dbglvl = 3;
static void asc_prt_asc_dvc_var(ASC_DVC_VAR *h)
{
printk("ASC_DVC_VAR at addr 0x%lx\n", (ulong)h);
printk(" iop_base 0x%x, err_code 0x%x, dvc_cntl 0x%x, bug_fix_cntl "
"%d,\n", h->iop_base, h->err_code, h->dvc_cntl, h->bug_fix_cntl);
printk(" bus_type %d, init_sdtr 0x%x,\n", h->bus_type,
(unsigned)h->init_sdtr);
printk(" sdtr_done 0x%x, use_tagged_qng 0x%x, unit_not_ready 0x%x, "
"chip_no 0x%x,\n", (unsigned)h->sdtr_done,
(unsigned)h->use_tagged_qng, (unsigned)h->unit_not_ready,
(unsigned)h->chip_no);
printk(" queue_full_or_busy 0x%x, start_motor 0x%x, scsi_reset_wait "
"%u,\n", (unsigned)h->queue_full_or_busy,
(unsigned)h->start_motor, (unsigned)h->scsi_reset_wait);
printk(" is_in_int %u, max_total_qng %u, cur_total_qng %u, "
"in_critical_cnt %u,\n", (unsigned)h->is_in_int,
(unsigned)h->max_total_qng, (unsigned)h->cur_total_qng,
(unsigned)h->in_critical_cnt);
printk(" last_q_shortage %u, init_state 0x%x, no_scam 0x%x, "
"pci_fix_asyn_xfer 0x%x,\n", (unsigned)h->last_q_shortage,
(unsigned)h->init_state, (unsigned)h->no_scam,
(unsigned)h->pci_fix_asyn_xfer);
printk(" cfg 0x%lx\n", (ulong)h->cfg);
}
static void asc_prt_asc_dvc_cfg(ASC_DVC_CFG *h)
{
printk("ASC_DVC_CFG at addr 0x%lx\n", (ulong)h);
printk(" can_tagged_qng 0x%x, cmd_qng_enabled 0x%x,\n",
h->can_tagged_qng, h->cmd_qng_enabled);
printk(" disc_enable 0x%x, sdtr_enable 0x%x,\n",
h->disc_enable, h->sdtr_enable);
printk(" chip_scsi_id %d, chip_version %d,\n",
h->chip_scsi_id, h->chip_version);
printk(" mcode_date 0x%x, mcode_version %d\n",
h->mcode_date, h->mcode_version);
}
static void asc_prt_adv_dvc_var(ADV_DVC_VAR *h)
{
printk(" ADV_DVC_VAR at addr 0x%lx\n", (ulong)h);
printk(" iop_base 0x%lx, err_code 0x%x, ultra_able 0x%x\n",
(ulong)h->iop_base, h->err_code, (unsigned)h->ultra_able);
printk(" sdtr_able 0x%x, wdtr_able 0x%x\n",
(unsigned)h->sdtr_able, (unsigned)h->wdtr_able);
printk(" start_motor 0x%x, scsi_reset_wait 0x%x\n",
(unsigned)h->start_motor, (unsigned)h->scsi_reset_wait);
printk(" max_host_qng %u, max_dvc_qng %u, carr_freelist 0x%p\n",
(unsigned)h->max_host_qng, (unsigned)h->max_dvc_qng,
h->carr_freelist);
printk(" icq_sp 0x%p, irq_sp 0x%p\n", h->icq_sp, h->irq_sp);
printk(" no_scam 0x%x, tagqng_able 0x%x\n",
(unsigned)h->no_scam, (unsigned)h->tagqng_able);
printk(" chip_scsi_id 0x%x, cfg 0x%lx\n",
(unsigned)h->chip_scsi_id, (ulong)h->cfg);
}
static void asc_prt_adv_dvc_cfg(ADV_DVC_CFG *h)
{
printk(" ADV_DVC_CFG at addr 0x%lx\n", (ulong)h);
printk(" disc_enable 0x%x, termination 0x%x\n",
h->disc_enable, h->termination);
printk(" chip_version 0x%x, mcode_date 0x%x\n",
h->chip_version, h->mcode_date);
printk(" mcode_version 0x%x, control_flag 0x%x\n",
h->mcode_version, h->control_flag);
}
static void asc_prt_scsi_host(struct Scsi_Host *s)
{
struct asc_board *boardp = shost_priv(s);
printk("Scsi_Host at addr 0x%p, device %s\n", s, dev_name(boardp->dev));
printk(" host_busy %d, host_no %d,\n",
scsi_host_busy(s), s->host_no);
printk(" base 0x%lx, io_port 0x%lx, irq %d,\n",
(ulong)s->base, (ulong)s->io_port, boardp->irq);
printk(" dma_channel %d, this_id %d, can_queue %d,\n",
s->dma_channel, s->this_id, s->can_queue);
printk(" cmd_per_lun %d, sg_tablesize %d\n",
s->cmd_per_lun, s->sg_tablesize);
if (ASC_NARROW_BOARD(boardp)) {
asc_prt_asc_dvc_var(&boardp->dvc_var.asc_dvc_var);
asc_prt_asc_dvc_cfg(&boardp->dvc_cfg.asc_dvc_cfg);
} else {
asc_prt_adv_dvc_var(&boardp->dvc_var.adv_dvc_var);
asc_prt_adv_dvc_cfg(&boardp->dvc_cfg.adv_dvc_cfg);
}
}
static void asc_prt_hex(char *f, uchar *s, int l)
{
int i;
int j;
int k;
int m;
printk("%s: (%d bytes)\n", f, l);
for (i = 0; i < l; i += 32) {
if ((k = (l - i) / 4) >= 8) {
k = 8;
m = 0;
} else {
m = (l - i) % 4;
}
for (j = 0; j < k; j++) {
printk(" %2.2X%2.2X%2.2X%2.2X",
(unsigned)s[i + (j * 4)],
(unsigned)s[i + (j * 4) + 1],
(unsigned)s[i + (j * 4) + 2],
(unsigned)s[i + (j * 4) + 3]);
}
switch (m) {
case 0:
default:
break;
case 1:
printk(" %2.2X", (unsigned)s[i + (j * 4)]);
break;
case 2:
printk(" %2.2X%2.2X",
(unsigned)s[i + (j * 4)],
(unsigned)s[i + (j * 4) + 1]);
break;
case 3:
printk(" %2.2X%2.2X%2.2X",
(unsigned)s[i + (j * 4) + 1],
(unsigned)s[i + (j * 4) + 2],
(unsigned)s[i + (j * 4) + 3]);
break;
}
printk("\n");
}
}
static void asc_prt_asc_scsi_q(ASC_SCSI_Q *q)
{
ASC_SG_HEAD *sgp;
int i;
printk("ASC_SCSI_Q at addr 0x%lx\n", (ulong)q);
printk
(" target_ix 0x%x, target_lun %u, srb_tag 0x%x, tag_code 0x%x,\n",
q->q2.target_ix, q->q1.target_lun, q->q2.srb_tag,
q->q2.tag_code);
printk
(" data_addr 0x%lx, data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
(ulong)le32_to_cpu(q->q1.data_addr),
(ulong)le32_to_cpu(q->q1.data_cnt),
(ulong)le32_to_cpu(q->q1.sense_addr), q->q1.sense_len);
printk(" cdbptr 0x%lx, cdb_len %u, sg_head 0x%lx, sg_queue_cnt %u\n",
(ulong)q->cdbptr, q->q2.cdb_len,
(ulong)q->sg_head, q->q1.sg_queue_cnt);
if (q->sg_head) {
sgp = q->sg_head;
printk("ASC_SG_HEAD at addr 0x%lx\n", (ulong)sgp);
printk(" entry_cnt %u, queue_cnt %u\n", sgp->entry_cnt,
sgp->queue_cnt);
for (i = 0; i < sgp->entry_cnt; i++) {
printk(" [%u]: addr 0x%lx, bytes %lu\n",
i, (ulong)le32_to_cpu(sgp->sg_list[i].addr),
(ulong)le32_to_cpu(sgp->sg_list[i].bytes));
}
}
}
static void asc_prt_asc_qdone_info(ASC_QDONE_INFO *q)
{
printk("ASC_QDONE_INFO at addr 0x%lx\n", (ulong)q);
printk(" srb_tag 0x%x, target_ix %u, cdb_len %u, tag_code %u,\n",
q->d2.srb_tag, q->d2.target_ix, q->d2.cdb_len,
q->d2.tag_code);
printk
(" done_stat 0x%x, host_stat 0x%x, scsi_stat 0x%x, scsi_msg 0x%x\n",
q->d3.done_stat, q->d3.host_stat, q->d3.scsi_stat, q->d3.scsi_msg);
}
static void asc_prt_adv_sgblock(int sgblockno, ADV_SG_BLOCK *b)
{
int i;
printk(" ADV_SG_BLOCK at addr 0x%lx (sgblockno %d)\n",
(ulong)b, sgblockno);
printk(" sg_cnt %u, sg_ptr 0x%x\n",
b->sg_cnt, (u32)le32_to_cpu(b->sg_ptr));
BUG_ON(b->sg_cnt > NO_OF_SG_PER_BLOCK);
if (b->sg_ptr != 0)
BUG_ON(b->sg_cnt != NO_OF_SG_PER_BLOCK);
for (i = 0; i < b->sg_cnt; i++) {
printk(" [%u]: sg_addr 0x%x, sg_count 0x%x\n",
i, (u32)le32_to_cpu(b->sg_list[i].sg_addr),
(u32)le32_to_cpu(b->sg_list[i].sg_count));
}
}
static void asc_prt_adv_scsi_req_q(ADV_SCSI_REQ_Q *q)
{
int sg_blk_cnt;
struct adv_sg_block *sg_ptr;
adv_sgblk_t *sgblkp;
printk("ADV_SCSI_REQ_Q at addr 0x%lx\n", (ulong)q);
printk(" target_id %u, target_lun %u, srb_tag 0x%x\n",
q->target_id, q->target_lun, q->srb_tag);
printk(" cntl 0x%x, data_addr 0x%lx\n",
q->cntl, (ulong)le32_to_cpu(q->data_addr));
printk(" data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
(ulong)le32_to_cpu(q->data_cnt),
(ulong)le32_to_cpu(q->sense_addr), q->sense_len);
printk
(" cdb_len %u, done_status 0x%x, host_status 0x%x, scsi_status 0x%x\n",
q->cdb_len, q->done_status, q->host_status, q->scsi_status);
printk(" sg_working_ix 0x%x, target_cmd %u\n",
q->sg_working_ix, q->target_cmd);
printk(" scsiq_rptr 0x%lx, sg_real_addr 0x%lx, sg_list_ptr 0x%lx\n",
(ulong)le32_to_cpu(q->scsiq_rptr),
(ulong)le32_to_cpu(q->sg_real_addr), (ulong)q->sg_list_ptr);
if (q->sg_list_ptr != NULL) {
sgblkp = container_of(q->sg_list_ptr, adv_sgblk_t, sg_block);
sg_blk_cnt = 0;
while (sgblkp) {
sg_ptr = &sgblkp->sg_block;
asc_prt_adv_sgblock(sg_blk_cnt, sg_ptr);
if (sg_ptr->sg_ptr == 0) {
break;
}
sgblkp = sgblkp->next_sgblkp;
sg_blk_cnt++;
}
}
}
#endif /* ADVANSYS_DEBUG */
static const char *advansys_info(struct Scsi_Host *shost)
{
static char info[ASC_INFO_SIZE];
struct asc_board *boardp = shost_priv(shost);
ASC_DVC_VAR *asc_dvc_varp;
ADV_DVC_VAR *adv_dvc_varp;
char *busname;
char *widename = NULL;
if (ASC_NARROW_BOARD(boardp)) {
asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
ASC_DBG(1, "begin\n");
if (asc_dvc_varp->bus_type & ASC_IS_VL) {
busname = "VL";
} else if (asc_dvc_varp->bus_type & ASC_IS_EISA) {
busname = "EISA";
} else if (asc_dvc_varp->bus_type & ASC_IS_PCI) {
if ((asc_dvc_varp->bus_type & ASC_IS_PCI_ULTRA)
== ASC_IS_PCI_ULTRA) {
busname = "PCI Ultra";
} else {
busname = "PCI";
}
} else {
busname = "?";
shost_printk(KERN_ERR, shost, "unknown bus "
"type %d\n", asc_dvc_varp->bus_type);
}
sprintf(info,
"AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X",
ASC_VERSION, busname, (ulong)shost->io_port,
(ulong)shost->io_port + ASC_IOADR_GAP - 1,
boardp->irq);
} else {
adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
widename = "Ultra-Wide";
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
widename = "Ultra2-Wide";
} else {
widename = "Ultra3-Wide";
}
sprintf(info,
"AdvanSys SCSI %s: PCI %s: PCIMEM 0x%lX-0x%lX, IRQ 0x%X",
ASC_VERSION, widename, (ulong)adv_dvc_varp->iop_base,
(ulong)adv_dvc_varp->iop_base + boardp->asc_n_io_port - 1, boardp->irq);
}
BUG_ON(strlen(info) >= ASC_INFO_SIZE);
ASC_DBG(1, "end\n");
return info;
}
#ifdef CONFIG_PROC_FS
static void asc_prt_board_devices(struct seq_file *m, struct Scsi_Host *shost)
{
struct asc_board *boardp = shost_priv(shost);
int chip_scsi_id;
int i;
seq_printf(m,
"\nDevice Information for AdvanSys SCSI Host %d:\n",
shost->host_no);
if (ASC_NARROW_BOARD(boardp)) {
chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id;
} else {
chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id;
}
seq_puts(m, "Target IDs Detected:");
for (i = 0; i <= ADV_MAX_TID; i++) {
if (boardp->init_tidmask & ADV_TID_TO_TIDMASK(i))
seq_printf(m, " %X,", i);
}
seq_printf(m, " (%X=Host Adapter)\n", chip_scsi_id);
}
static void asc_prt_adv_bios(struct seq_file *m, struct Scsi_Host *shost)
{
struct asc_board *boardp = shost_priv(shost);
ushort major, minor, letter;
seq_puts(m, "\nROM BIOS Version: ");
if (boardp->bios_signature != 0x55AA) {
seq_puts(m, "Disabled or Pre-3.1\n"
"BIOS either disabled or Pre-3.1. If it is pre-3.1, then a newer version\n"
"can be found at the ConnectCom FTP site: ftp://ftp.connectcom.net/pub\n");
} else {
major = (boardp->bios_version >> 12) & 0xF;
minor = (boardp->bios_version >> 8) & 0xF;
letter = (boardp->bios_version & 0xFF);
seq_printf(m, "%d.%d%c\n",
major, minor,
letter >= 26 ? '?' : letter + 'A');
if (major < 3 || (major <= 3 && minor < 1) ||
(major <= 3 && minor <= 1 && letter < ('I' - 'A'))) {
seq_puts(m, "Newer version of ROM BIOS is available at the ConnectCom FTP site:\n"
"ftp://ftp.connectcom.net/pub\n");
}
}
}
static int asc_get_eeprom_string(ushort *serialnum, uchar *cp)
{
ushort w, num;
if ((serialnum[1] & 0xFE00) != ((ushort)0xAA << 8)) {
return ASC_FALSE;
} else {
w = serialnum[0];
if ((*cp = 'A' + ((w & 0xE000) >> 13)) == 'H') {
*cp += 0x8;
}
cp++;
*cp++ = 'A' + ((w & 0x1C00) >> 10);
num = w & 0x3FF;
*cp++ = '0' + (num / 100);
num %= 100;
*cp++ = '0' + (num / 10);
*cp++ = 'A' + (num % 10);
w = serialnum[1];
if (serialnum[2] & 0x8000) {
*cp++ = '8' + ((w & 0x1C0) >> 6);
} else {
*cp++ = '0' + ((w & 0x1C0) >> 6);
}
num = w & 0x003F;
*cp++ = '0' + num / 10;
num %= 10;
*cp++ = '0' + num;
w = serialnum[2] & 0x7FFF;
*cp++ = 'A' + (w / 1000);
num = w % 1000;
*cp++ = '0' + num / 100;
num %= 100;
*cp++ = '0' + num / 10;
num %= 10;
*cp++ = '0' + num;
*cp = '\0';
return ASC_TRUE;
}
}
static void asc_prt_asc_board_eeprom(struct seq_file *m, struct Scsi_Host *shost)
{
struct asc_board *boardp = shost_priv(shost);
ASCEEP_CONFIG *ep;
int i;
uchar serialstr[13];
ep = &boardp->eep_config.asc_eep;
seq_printf(m,
"\nEEPROM Settings for AdvanSys SCSI Host %d:\n",
shost->host_no);
if (asc_get_eeprom_string((ushort *)&ep->adapter_info[0], serialstr)
== ASC_TRUE)
seq_printf(m, " Serial Number: %s\n", serialstr);
else if (ep->adapter_info[5] == 0xBB)
seq_puts(m,
" Default Settings Used for EEPROM-less Adapter.\n");
else
seq_puts(m, " Serial Number Signature Not Present.\n");
seq_printf(m,
" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
ASC_EEP_GET_CHIP_ID(ep), ep->max_total_qng,
ep->max_tag_qng);
seq_printf(m,
" cntl 0x%x, no_scam 0x%x\n", ep->cntl, ep->no_scam);
seq_puts(m, " Target ID: ");
for (i = 0; i <= ASC_MAX_TID; i++)
seq_printf(m, " %d", i);
seq_puts(m, "\n Disconnects: ");
for (i = 0; i <= ASC_MAX_TID; i++)
seq_printf(m, " %c",
(ep->disc_enable & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
seq_puts(m, "\n Command Queuing: ");
for (i = 0; i <= ASC_MAX_TID; i++)
seq_printf(m, " %c",
(ep->use_cmd_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
seq_puts(m, "\n Start Motor: ");
for (i = 0; i <= ASC_MAX_TID; i++)
seq_printf(m, " %c",
(ep->start_motor & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
seq_puts(m, "\n Synchronous Transfer:");
for (i = 0; i <= ASC_MAX_TID; i++)
seq_printf(m, " %c",
(ep->init_sdtr & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
seq_putc(m, '\n');
}
static void asc_prt_adv_board_eeprom(struct seq_file *m, struct Scsi_Host *shost)
{
struct asc_board *boardp = shost_priv(shost);
ADV_DVC_VAR *adv_dvc_varp;
int i;
char *termstr;
uchar serialstr[13];
ADVEEP_3550_CONFIG *ep_3550 = NULL;
ADVEEP_38C0800_CONFIG *ep_38C0800 = NULL;
ADVEEP_38C1600_CONFIG *ep_38C1600 = NULL;
ushort word;
ushort *wordp;
ushort sdtr_speed = 0;
adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
ep_3550 = &boardp->eep_config.adv_3550_eep;
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
ep_38C0800 = &boardp->eep_config.adv_38C0800_eep;
} else {
ep_38C1600 = &boardp->eep_config.adv_38C1600_eep;
}
seq_printf(m,
"\nEEPROM Settings for AdvanSys SCSI Host %d:\n",
shost->host_no);
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
wordp = &ep_3550->serial_number_word1;
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
wordp = &ep_38C0800->serial_number_word1;
} else {
wordp = &ep_38C1600->serial_number_word1;
}
if (asc_get_eeprom_string(wordp, serialstr) == ASC_TRUE)
seq_printf(m, " Serial Number: %s\n", serialstr);
else
seq_puts(m, " Serial Number Signature Not Present.\n");
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550)
seq_printf(m,
" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
ep_3550->adapter_scsi_id,
ep_3550->max_host_qng, ep_3550->max_dvc_qng);
else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800)
seq_printf(m,
" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
ep_38C0800->adapter_scsi_id,
ep_38C0800->max_host_qng,
ep_38C0800->max_dvc_qng);
else
seq_printf(m,
" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
ep_38C1600->adapter_scsi_id,
ep_38C1600->max_host_qng,
ep_38C1600->max_dvc_qng);
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
word = ep_3550->termination;
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
word = ep_38C0800->termination_lvd;
} else {
word = ep_38C1600->termination_lvd;
}
switch (word) {
case 1:
termstr = "Low Off/High Off";
break;
case 2:
termstr = "Low Off/High On";
break;
case 3:
termstr = "Low On/High On";
break;
default:
case 0:
termstr = "Automatic";
break;
}
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550)
seq_printf(m,
" termination: %u (%s), bios_ctrl: 0x%x\n",
ep_3550->termination, termstr,
ep_3550->bios_ctrl);
else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800)
seq_printf(m,
" termination: %u (%s), bios_ctrl: 0x%x\n",
ep_38C0800->termination_lvd, termstr,
ep_38C0800->bios_ctrl);
else
seq_printf(m,
" termination: %u (%s), bios_ctrl: 0x%x\n",
ep_38C1600->termination_lvd, termstr,
ep_38C1600->bios_ctrl);
seq_puts(m, " Target ID: ");
for (i = 0; i <= ADV_MAX_TID; i++)
seq_printf(m, " %X", i);
seq_putc(m, '\n');
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
word = ep_3550->disc_enable;
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
word = ep_38C0800->disc_enable;
} else {
word = ep_38C1600->disc_enable;
}
seq_puts(m, " Disconnects: ");
for (i = 0; i <= ADV_MAX_TID; i++)
seq_printf(m, " %c",
(word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
seq_putc(m, '\n');
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
word = ep_3550->tagqng_able;
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
word = ep_38C0800->tagqng_able;
} else {
word = ep_38C1600->tagqng_able;
}
seq_puts(m, " Command Queuing: ");
for (i = 0; i <= ADV_MAX_TID; i++)
seq_printf(m, " %c",
(word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
seq_putc(m, '\n');
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
word = ep_3550->start_motor;
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
word = ep_38C0800->start_motor;
} else {
word = ep_38C1600->start_motor;
}
seq_puts(m, " Start Motor: ");
for (i = 0; i <= ADV_MAX_TID; i++)
seq_printf(m, " %c",
(word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
seq_putc(m, '\n');
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
seq_puts(m, " Synchronous Transfer:");
for (i = 0; i <= ADV_MAX_TID; i++)
seq_printf(m, " %c",
(ep_3550->sdtr_able & ADV_TID_TO_TIDMASK(i)) ?
'Y' : 'N');
seq_putc(m, '\n');
}
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
seq_puts(m, " Ultra Transfer: ");
for (i = 0; i <= ADV_MAX_TID; i++)
seq_printf(m, " %c",
(ep_3550->ultra_able & ADV_TID_TO_TIDMASK(i))
? 'Y' : 'N');
seq_putc(m, '\n');
}
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
word = ep_3550->wdtr_able;
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
word = ep_38C0800->wdtr_able;
} else {
word = ep_38C1600->wdtr_able;
}
seq_puts(m, " Wide Transfer: ");
for (i = 0; i <= ADV_MAX_TID; i++)
seq_printf(m, " %c",
(word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
seq_putc(m, '\n');
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800 ||
adv_dvc_varp->chip_type == ADV_CHIP_ASC38C1600) {
seq_puts(m, " Synchronous Transfer Speed (Mhz):\n ");
for (i = 0; i <= ADV_MAX_TID; i++) {
char *speed_str;
if (i == 0) {
sdtr_speed = adv_dvc_varp->sdtr_speed1;
} else if (i == 4) {
sdtr_speed = adv_dvc_varp->sdtr_speed2;
} else if (i == 8) {
sdtr_speed = adv_dvc_varp->sdtr_speed3;
} else if (i == 12) {
sdtr_speed = adv_dvc_varp->sdtr_speed4;
}
switch (sdtr_speed & ADV_MAX_TID) {
case 0:
speed_str = "Off";
break;
case 1:
speed_str = " 5";
break;
case 2:
speed_str = " 10";
break;
case 3:
speed_str = " 20";
break;
case 4:
speed_str = " 40";
break;
case 5:
speed_str = " 80";
break;
default:
speed_str = "Unk";
break;
}
seq_printf(m, "%X:%s ", i, speed_str);
if (i == 7)
seq_puts(m, "\n ");
sdtr_speed >>= 4;
}
seq_putc(m, '\n');
}
}
static void asc_prt_driver_conf(struct seq_file *m, struct Scsi_Host *shost)
{
struct asc_board *boardp = shost_priv(shost);
seq_printf(m,
"\nLinux Driver Configuration and Information for AdvanSys SCSI Host %d:\n",
shost->host_no);
seq_printf(m,
" host_busy %d, max_id %u, max_lun %llu, max_channel %u\n",
scsi_host_busy(shost), shost->max_id,
shost->max_lun, shost->max_channel);
seq_printf(m,
" unique_id %d, can_queue %d, this_id %d, sg_tablesize %u, cmd_per_lun %u\n",
shost->unique_id, shost->can_queue, shost->this_id,
shost->sg_tablesize, shost->cmd_per_lun);
seq_printf(m,
" flags 0x%x, last_reset 0x%lx, jiffies 0x%lx, asc_n_io_port 0x%x\n",
boardp->flags, shost->last_reset, jiffies,
boardp->asc_n_io_port);
seq_printf(m, " io_port 0x%lx\n", shost->io_port);
}
static void asc_prt_asc_board_info(struct seq_file *m, struct Scsi_Host *shost)
{
struct asc_board *boardp = shost_priv(shost);
int chip_scsi_id;
ASC_DVC_VAR *v;
ASC_DVC_CFG *c;
int i;
int renegotiate = 0;
v = &boardp->dvc_var.asc_dvc_var;
c = &boardp->dvc_cfg.asc_dvc_cfg;
chip_scsi_id = c->chip_scsi_id;
seq_printf(m,
"\nAsc Library Configuration and Statistics for AdvanSys SCSI Host %d:\n",
shost->host_no);
seq_printf(m, " chip_version %u, mcode_date 0x%x, "
"mcode_version 0x%x, err_code %u\n",
c->chip_version, c->mcode_date, c->mcode_version,
v->err_code);
seq_printf(m,
" Total Command Pending: %d\n", v->cur_total_qng);
seq_puts(m, " Command Queuing:");
for (i = 0; i <= ASC_MAX_TID; i++) {
if ((chip_scsi_id == i) ||
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
continue;
}
seq_printf(m, " %X:%c",
i,
(v->use_tagged_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
}
seq_puts(m, "\n Command Queue Pending:");
for (i = 0; i <= ASC_MAX_TID; i++) {
if ((chip_scsi_id == i) ||
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
continue;
}
seq_printf(m, " %X:%u", i, v->cur_dvc_qng[i]);
}
seq_puts(m, "\n Command Queue Limit:");
for (i = 0; i <= ASC_MAX_TID; i++) {
if ((chip_scsi_id == i) ||
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
continue;
}
seq_printf(m, " %X:%u", i, v->max_dvc_qng[i]);
}
seq_puts(m, "\n Command Queue Full:");
for (i = 0; i <= ASC_MAX_TID; i++) {
if ((chip_scsi_id == i) ||
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
continue;
}
if (boardp->queue_full & ADV_TID_TO_TIDMASK(i))
seq_printf(m, " %X:Y-%d",
i, boardp->queue_full_cnt[i]);
else
seq_printf(m, " %X:N", i);
}
seq_puts(m, "\n Synchronous Transfer:");
for (i = 0; i <= ASC_MAX_TID; i++) {
if ((chip_scsi_id == i) ||
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
continue;
}
seq_printf(m, " %X:%c",
i,
(v->sdtr_done & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
}
seq_putc(m, '\n');
for (i = 0; i <= ASC_MAX_TID; i++) {
uchar syn_period_ix;
if ((chip_scsi_id == i) ||
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) ||
((v->init_sdtr & ADV_TID_TO_TIDMASK(i)) == 0)) {
continue;
}
seq_printf(m, " %X:", i);
if ((boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET) == 0) {
seq_puts(m, " Asynchronous");
} else {
syn_period_ix =
(boardp->sdtr_data[i] >> 4) & (v->max_sdtr_index -
1);
seq_printf(m,
" Transfer Period Factor: %d (%d.%d Mhz),",
v->sdtr_period_tbl[syn_period_ix],
250 / v->sdtr_period_tbl[syn_period_ix],
ASC_TENTHS(250,
v->sdtr_period_tbl[syn_period_ix]));
seq_printf(m, " REQ/ACK Offset: %d",
boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET);
}
if ((v->sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
seq_puts(m, "*\n");
renegotiate = 1;
} else {
seq_putc(m, '\n');
}
}
if (renegotiate) {
seq_puts(m, " * = Re-negotiation pending before next command.\n");
}
}
static void asc_prt_adv_board_info(struct seq_file *m, struct Scsi_Host *shost)
{
struct asc_board *boardp = shost_priv(shost);
int i;
ADV_DVC_VAR *v;
ADV_DVC_CFG *c;
AdvPortAddr iop_base;
ushort chip_scsi_id;
ushort lramword;
uchar lrambyte;
ushort tagqng_able;
ushort sdtr_able, wdtr_able;
ushort wdtr_done, sdtr_done;
ushort period = 0;
int renegotiate = 0;
v = &boardp->dvc_var.adv_dvc_var;
c = &boardp->dvc_cfg.adv_dvc_cfg;
iop_base = v->iop_base;
chip_scsi_id = v->chip_scsi_id;
seq_printf(m,
"\nAdv Library Configuration and Statistics for AdvanSys SCSI Host %d:\n",
shost->host_no);
seq_printf(m,
" iop_base 0x%p, cable_detect: %X, err_code %u\n",
v->iop_base,
AdvReadWordRegister(iop_base,IOPW_SCSI_CFG1) & CABLE_DETECT,
v->err_code);
seq_printf(m, " chip_version %u, mcode_date 0x%x, "
"mcode_version 0x%x\n", c->chip_version,
c->mcode_date, c->mcode_version);
AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
seq_puts(m, " Queuing Enabled:");
for (i = 0; i <= ADV_MAX_TID; i++) {
if ((chip_scsi_id == i) ||
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
continue;
}
seq_printf(m, " %X:%c",
i,
(tagqng_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
}
seq_puts(m, "\n Queue Limit:");
for (i = 0; i <= ADV_MAX_TID; i++) {
if ((chip_scsi_id == i) ||
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
continue;
}
AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + i,
lrambyte);
seq_printf(m, " %X:%d", i, lrambyte);
}
seq_puts(m, "\n Command Pending:");
for (i = 0; i <= ADV_MAX_TID; i++) {
if ((chip_scsi_id == i) ||
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
continue;
}
AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_QUEUED_CMD + i,
lrambyte);
seq_printf(m, " %X:%d", i, lrambyte);
}
seq_putc(m, '\n');
AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
seq_puts(m, " Wide Enabled:");
for (i = 0; i <= ADV_MAX_TID; i++) {
if ((chip_scsi_id == i) ||
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
continue;
}
seq_printf(m, " %X:%c",
i,
(wdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
}
seq_putc(m, '\n');
AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, wdtr_done);
seq_puts(m, " Transfer Bit Width:");
for (i = 0; i <= ADV_MAX_TID; i++) {
if ((chip_scsi_id == i) ||
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
continue;
}
AdvReadWordLram(iop_base,
ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i),
lramword);
seq_printf(m, " %X:%d",
i, (lramword & 0x8000) ? 16 : 8);
if ((wdtr_able & ADV_TID_TO_TIDMASK(i)) &&
(wdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
seq_putc(m, '*');
renegotiate = 1;
}
}
seq_putc(m, '\n');
AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
seq_puts(m, " Synchronous Enabled:");
for (i = 0; i <= ADV_MAX_TID; i++) {
if ((chip_scsi_id == i) ||
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
continue;
}
seq_printf(m, " %X:%c",
i,
(sdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
}
seq_putc(m, '\n');
AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, sdtr_done);
for (i = 0; i <= ADV_MAX_TID; i++) {
AdvReadWordLram(iop_base,
ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i),
lramword);
lramword &= ~0x8000;
if ((chip_scsi_id == i) ||
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) ||
((sdtr_able & ADV_TID_TO_TIDMASK(i)) == 0)) {
continue;
}
seq_printf(m, " %X:", i);
if ((lramword & 0x1F) == 0) {
seq_puts(m, " Asynchronous");
} else {
seq_puts(m, " Transfer Period Factor: ");
if ((lramword & 0x1F00) == 0x1100) {
seq_puts(m, "9 (80.0 Mhz),");
} else if ((lramword & 0x1F00) == 0x1000) {
seq_puts(m, "10 (40.0 Mhz),");
} else {
period = (((lramword >> 8) * 25) + 50) / 4;
if (period == 0) {
seq_printf(m, "%d (? Mhz), ", period);
} else {
seq_printf(m,
"%d (%d.%d Mhz),",
period, 250 / period,
ASC_TENTHS(250, period));
}
}
seq_printf(m, " REQ/ACK Offset: %d",
lramword & 0x1F);
}
if ((sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
seq_puts(m, "*\n");
renegotiate = 1;
} else {
seq_putc(m, '\n');
}
}
if (renegotiate) {
seq_puts(m, " * = Re-negotiation pending before next command.\n");
}
}
#ifdef ADVANSYS_STATS
static void asc_prt_board_stats(struct seq_file *m, struct Scsi_Host *shost)
{
struct asc_board *boardp = shost_priv(shost);
struct asc_stats *s = &boardp->asc_stats;
seq_printf(m,
"\nLinux Driver Statistics for AdvanSys SCSI Host %d:\n",
shost->host_no);
seq_printf(m,
" queuecommand %u, reset %u, biosparam %u, interrupt %u\n",
s->queuecommand, s->reset, s->biosparam,
s->interrupt);
seq_printf(m,
" callback %u, done %u, build_error %u, build_noreq %u, build_nosg %u\n",
s->callback, s->done, s->build_error,
s->adv_build_noreq, s->adv_build_nosg);
seq_printf(m,
" exe_noerror %u, exe_busy %u, exe_error %u, exe_unknown %u\n",
s->exe_noerror, s->exe_busy, s->exe_error,
s->exe_unknown);
if (s->xfer_cnt > 0) {
seq_printf(m, " xfer_cnt %u, xfer_elem %u, ",
s->xfer_cnt, s->xfer_elem);
seq_printf(m, "xfer_bytes %u.%01u kb\n",
s->xfer_sect / 2, ASC_TENTHS(s->xfer_sect, 2));
seq_printf(m, " avg_num_elem %u.%01u, ",
s->xfer_elem / s->xfer_cnt,
ASC_TENTHS(s->xfer_elem, s->xfer_cnt));
seq_printf(m, "avg_elem_size %u.%01u kb, ",
(s->xfer_sect / 2) / s->xfer_elem,
ASC_TENTHS((s->xfer_sect / 2), s->xfer_elem));
seq_printf(m, "avg_xfer_size %u.%01u kb\n",
(s->xfer_sect / 2) / s->xfer_cnt,
ASC_TENTHS((s->xfer_sect / 2), s->xfer_cnt));
}
}
#endif /* ADVANSYS_STATS */
static int
advansys_show_info(struct seq_file *m, struct Scsi_Host *shost)
{
struct asc_board *boardp = shost_priv(shost);
ASC_DBG(1, "begin\n");
seq_printf(m, "%s\n", (char *)advansys_info(shost));
if (!ASC_NARROW_BOARD(boardp))
asc_prt_adv_bios(m, shost);
asc_prt_board_devices(m, shost);
if (ASC_NARROW_BOARD(boardp))
asc_prt_asc_board_eeprom(m, shost);
else
asc_prt_adv_board_eeprom(m, shost);
asc_prt_driver_conf(m, shost);
#ifdef ADVANSYS_STATS
asc_prt_board_stats(m, shost);
#endif /* ADVANSYS_STATS */
if (ASC_NARROW_BOARD(boardp))
asc_prt_asc_board_info(m, shost);
else
asc_prt_adv_board_info(m, shost);
return 0;
}
#endif /* CONFIG_PROC_FS */
static void asc_scsi_done(struct scsi_cmnd *scp)
{
scsi_dma_unmap(scp);
ASC_STATS(scp->device->host, done);
scsi_done(scp);
}
static void AscSetBank(PortAddr iop_base, uchar bank)
{
uchar val;
val = AscGetChipControl(iop_base) &
(~
(CC_SINGLE_STEP | CC_TEST | CC_DIAG | CC_SCSI_RESET |
CC_CHIP_RESET));
if (bank == 1) {
val |= CC_BANK_ONE;
} else if (bank == 2) {
val |= CC_DIAG | CC_BANK_ONE;
} else {
val &= ~CC_BANK_ONE;
}
AscSetChipControl(iop_base, val);
}
static void AscSetChipIH(PortAddr iop_base, ushort ins_code)
{
AscSetBank(iop_base, 1);
AscWriteChipIH(iop_base, ins_code);
AscSetBank(iop_base, 0);
}
static int AscStartChip(PortAddr iop_base)
{
AscSetChipControl(iop_base, 0);
if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
return (0);
}
return (1);
}
static bool AscStopChip(PortAddr iop_base)
{
uchar cc_val;
cc_val =
AscGetChipControl(iop_base) &
(~(CC_SINGLE_STEP | CC_TEST | CC_DIAG));
AscSetChipControl(iop_base, (uchar)(cc_val | CC_HALT));
AscSetChipIH(iop_base, INS_HALT);
AscSetChipIH(iop_base, INS_RFLAG_WTM);
if ((AscGetChipStatus(iop_base) & CSW_HALTED) == 0) {
return false;
}
return true;
}
static bool AscIsChipHalted(PortAddr iop_base)
{
if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
if ((AscGetChipControl(iop_base) & CC_HALT) != 0) {
return true;
}
}
return false;
}
static bool AscResetChipAndScsiBus(ASC_DVC_VAR *asc_dvc)
{
PortAddr iop_base;
int i = 10;
iop_base = asc_dvc->iop_base;
while ((AscGetChipStatus(iop_base) & CSW_SCSI_RESET_ACTIVE)
&& (i-- > 0)) {
mdelay(100);
}
AscStopChip(iop_base);
AscSetChipControl(iop_base, CC_CHIP_RESET | CC_SCSI_RESET | CC_HALT);
udelay(60);
AscSetChipIH(iop_base, INS_RFLAG_WTM);
AscSetChipIH(iop_base, INS_HALT);
AscSetChipControl(iop_base, CC_CHIP_RESET | CC_HALT);
AscSetChipControl(iop_base, CC_HALT);
mdelay(200);
AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
AscSetChipStatus(iop_base, 0);
return (AscIsChipHalted(iop_base));
}
static int AscFindSignature(PortAddr iop_base)
{
ushort sig_word;
ASC_DBG(1, "AscGetChipSignatureByte(0x%x) 0x%x\n",
iop_base, AscGetChipSignatureByte(iop_base));
if (AscGetChipSignatureByte(iop_base) == (uchar)ASC_1000_ID1B) {
ASC_DBG(1, "AscGetChipSignatureWord(0x%x) 0x%x\n",
iop_base, AscGetChipSignatureWord(iop_base));
sig_word = AscGetChipSignatureWord(iop_base);
if ((sig_word == (ushort)ASC_1000_ID0W) ||
(sig_word == (ushort)ASC_1000_ID0W_FIX)) {
return (1);
}
}
return (0);
}
static void AscEnableInterrupt(PortAddr iop_base)
{
ushort cfg;
cfg = AscGetChipCfgLsw(iop_base);
AscSetChipCfgLsw(iop_base, cfg | ASC_CFG0_HOST_INT_ON);
}
static void AscDisableInterrupt(PortAddr iop_base)
{
ushort cfg;
cfg = AscGetChipCfgLsw(iop_base);
AscSetChipCfgLsw(iop_base, cfg & (~ASC_CFG0_HOST_INT_ON));
}
static uchar AscReadLramByte(PortAddr iop_base, ushort addr)
{
unsigned char byte_data;
unsigned short word_data;
if (isodd_word(addr)) {
AscSetChipLramAddr(iop_base, addr - 1);
word_data = AscGetChipLramData(iop_base);
byte_data = (word_data >> 8) & 0xFF;
} else {
AscSetChipLramAddr(iop_base, addr);
word_data = AscGetChipLramData(iop_base);
byte_data = word_data & 0xFF;
}
return byte_data;
}
static ushort AscReadLramWord(PortAddr iop_base, ushort addr)
{
ushort word_data;
AscSetChipLramAddr(iop_base, addr);
word_data = AscGetChipLramData(iop_base);
return (word_data);
}
static void
AscMemWordSetLram(PortAddr iop_base, ushort s_addr, ushort set_wval, int words)
{
int i;
AscSetChipLramAddr(iop_base, s_addr);
for (i = 0; i < words; i++) {
AscSetChipLramData(iop_base, set_wval);
}
}
static void AscWriteLramWord(PortAddr iop_base, ushort addr, ushort word_val)
{
AscSetChipLramAddr(iop_base, addr);
AscSetChipLramData(iop_base, word_val);
}
static void AscWriteLramByte(PortAddr iop_base, ushort addr, uchar byte_val)
{
ushort word_data;
if (isodd_word(addr)) {
addr--;
word_data = AscReadLramWord(iop_base, addr);
word_data &= 0x00FF;
word_data |= (((ushort)byte_val << 8) & 0xFF00);
} else {
word_data = AscReadLramWord(iop_base, addr);
word_data &= 0xFF00;
word_data |= ((ushort)byte_val & 0x00FF);
}
AscWriteLramWord(iop_base, addr, word_data);
}
static void
AscMemWordCopyPtrToLram(PortAddr iop_base, ushort s_addr,
const uchar *s_buffer, int words)
{
int i;
AscSetChipLramAddr(iop_base, s_addr);
for (i = 0; i < 2 * words; i += 2) {
outpw(iop_base + IOP_RAM_DATA,
((ushort)s_buffer[i + 1] << 8) | s_buffer[i]);
}
}
static void
AscMemDWordCopyPtrToLram(PortAddr iop_base,
ushort s_addr, uchar *s_buffer, int dwords)
{
int i;
AscSetChipLramAddr(iop_base, s_addr);
for (i = 0; i < 4 * dwords; i += 4) {
outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]);
outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 3] << 8) | s_buffer[i + 2]);
}
}
static void
AscMemWordCopyPtrFromLram(PortAddr iop_base,
ushort s_addr, uchar *d_buffer, int words)
{
int i;
ushort word;
AscSetChipLramAddr(iop_base, s_addr);
for (i = 0; i < 2 * words; i += 2) {
word = inpw(iop_base + IOP_RAM_DATA);
d_buffer[i] = word & 0xff;
d_buffer[i + 1] = (word >> 8) & 0xff;
}
}
static u32 AscMemSumLramWord(PortAddr iop_base, ushort s_addr, int words)
{
u32 sum = 0;
int i;
for (i = 0; i < words; i++, s_addr += 2) {
sum += AscReadLramWord(iop_base, s_addr);
}
return (sum);
}
static void AscInitLram(ASC_DVC_VAR *asc_dvc)
{
uchar i;
ushort s_addr;
PortAddr iop_base;
iop_base = asc_dvc->iop_base;
AscMemWordSetLram(iop_base, ASC_QADR_BEG, 0,
(ushort)(((int)(asc_dvc->max_total_qng + 2 + 1) *
64) >> 1));
i = ASC_MIN_ACTIVE_QNO;
s_addr = ASC_QADR_BEG + ASC_QBLK_SIZE;
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
(uchar)(i + 1));
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
(uchar)(asc_dvc->max_total_qng));
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
(uchar)i);
i++;
s_addr += ASC_QBLK_SIZE;
for (; i < asc_dvc->max_total_qng; i++, s_addr += ASC_QBLK_SIZE) {
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
(uchar)(i + 1));
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
(uchar)(i - 1));
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
(uchar)i);
}
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
(uchar)ASC_QLINK_END);
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
(uchar)(asc_dvc->max_total_qng - 1));
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
(uchar)asc_dvc->max_total_qng);
i++;
s_addr += ASC_QBLK_SIZE;
for (; i <= (uchar)(asc_dvc->max_total_qng + 3);
i++, s_addr += ASC_QBLK_SIZE) {
AscWriteLramByte(iop_base,
(ushort)(s_addr + (ushort)ASC_SCSIQ_B_FWD), i);
AscWriteLramByte(iop_base,
(ushort)(s_addr + (ushort)ASC_SCSIQ_B_BWD), i);
AscWriteLramByte(iop_base,
(ushort)(s_addr + (ushort)ASC_SCSIQ_B_QNO), i);
}
}
static u32
AscLoadMicroCode(PortAddr iop_base, ushort s_addr,
const uchar *mcode_buf, ushort mcode_size)
{
u32 chksum;
ushort mcode_word_size;
ushort mcode_chksum;
mcode_word_size = (ushort)(mcode_size >> 1);
AscMemWordSetLram(iop_base, s_addr, 0, mcode_word_size);
AscMemWordCopyPtrToLram(iop_base, s_addr, mcode_buf, mcode_word_size);
chksum = AscMemSumLramWord(iop_base, s_addr, mcode_word_size);
ASC_DBG(1, "chksum 0x%lx\n", (ulong)chksum);
mcode_chksum = (ushort)AscMemSumLramWord(iop_base,
(ushort)ASC_CODE_SEC_BEG,
(ushort)((mcode_size -
s_addr - (ushort)
ASC_CODE_SEC_BEG) /
2));
ASC_DBG(1, "mcode_chksum 0x%lx\n", (ulong)mcode_chksum);
AscWriteLramWord(iop_base, ASCV_MCODE_CHKSUM_W, mcode_chksum);
AscWriteLramWord(iop_base, ASCV_MCODE_SIZE_W, mcode_size);
return chksum;
}
static void AscInitQLinkVar(ASC_DVC_VAR *asc_dvc)
{
PortAddr iop_base;
int i;
ushort lram_addr;
iop_base = asc_dvc->iop_base;
AscPutRiscVarFreeQHead(iop_base, 1);
AscPutRiscVarDoneQTail(iop_base, asc_dvc->max_total_qng);
AscPutVarFreeQHead(iop_base, 1);
AscPutVarDoneQTail(iop_base, asc_dvc->max_total_qng);
AscWriteLramByte(iop_base, ASCV_BUSY_QHEAD_B,
(uchar)((int)asc_dvc->max_total_qng + 1));
AscWriteLramByte(iop_base, ASCV_DISC1_QHEAD_B,
(uchar)((int)asc_dvc->max_total_qng + 2));
AscWriteLramByte(iop_base, (ushort)ASCV_TOTAL_READY_Q_B,
asc_dvc->max_total_qng);
AscWriteLramWord(iop_base, ASCV_ASCDVC_ERR_CODE_W, 0);
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, 0);
AscWriteLramByte(iop_base, ASCV_SCSIBUSY_B, 0);
AscWriteLramByte(iop_base, ASCV_WTM_FLAG_B, 0);
AscPutQDoneInProgress(iop_base, 0);
lram_addr = ASC_QADR_BEG;
for (i = 0; i < 32; i++, lram_addr += 2) {
AscWriteLramWord(iop_base, lram_addr, 0);
}
}
static int AscInitMicroCodeVar(ASC_DVC_VAR *asc_dvc)
{
int i;
int warn_code;
PortAddr iop_base;
__le32 phy_addr;
__le32 phy_size;
struct asc_board *board = asc_dvc_to_board(asc_dvc);
iop_base = asc_dvc->iop_base;
warn_code = 0;
for (i = 0; i <= ASC_MAX_TID; i++) {
AscPutMCodeInitSDTRAtID(iop_base, i,
asc_dvc->cfg->sdtr_period_offset[i]);
}
AscInitQLinkVar(asc_dvc);
AscWriteLramByte(iop_base, ASCV_DISC_ENABLE_B,
asc_dvc->cfg->disc_enable);
AscWriteLramByte(iop_base, ASCV_HOSTSCSI_ID_B,
ASC_TID_TO_TARGET_ID(asc_dvc->cfg->chip_scsi_id));
BUG_ON((unsigned long)asc_dvc->overrun_buf & 7);
asc_dvc->overrun_dma = dma_map_single(board->dev, asc_dvc->overrun_buf,
ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
if (dma_mapping_error(board->dev, asc_dvc->overrun_dma)) {
warn_code = -ENOMEM;
goto err_dma_map;
}
phy_addr = cpu_to_le32(asc_dvc->overrun_dma);
AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_PADDR_D,
(uchar *)&phy_addr, 1);
phy_size = cpu_to_le32(ASC_OVERRUN_BSIZE);
AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_BSIZE_D,
(uchar *)&phy_size, 1);
asc_dvc->cfg->mcode_date =
AscReadLramWord(iop_base, (ushort)ASCV_MC_DATE_W);
asc_dvc->cfg->mcode_version =
AscReadLramWord(iop_base, (ushort)ASCV_MC_VER_W);
AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
warn_code = -EINVAL;
goto err_mcode_start;
}
if (AscStartChip(iop_base) != 1) {
asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
warn_code = -EIO;
goto err_mcode_start;
}
return warn_code;
err_mcode_start:
dma_unmap_single(board->dev, asc_dvc->overrun_dma,
ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
err_dma_map:
asc_dvc->overrun_dma = 0;
return warn_code;
}
static int AscInitAsc1000Driver(ASC_DVC_VAR *asc_dvc)
{
const struct firmware *fw;
const char fwname[] = "advansys/mcode.bin";
int err;
unsigned long chksum;
int warn_code;
PortAddr iop_base;
iop_base = asc_dvc->iop_base;
warn_code = 0;
if ((asc_dvc->dvc_cntl & ASC_CNTL_RESET_SCSI) &&
!(asc_dvc->init_state & ASC_INIT_RESET_SCSI_DONE)) {
AscResetChipAndScsiBus(asc_dvc);
mdelay(asc_dvc->scsi_reset_wait * 1000);
}
asc_dvc->init_state |= ASC_INIT_STATE_BEG_LOAD_MC;
if (asc_dvc->err_code != 0)
return ASC_ERROR;
if (!AscFindSignature(asc_dvc->iop_base)) {
asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
return warn_code;
}
AscDisableInterrupt(iop_base);
AscInitLram(asc_dvc);
err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
if (err) {
printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
fwname, err);
asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
return err;
}
if (fw->size < 4) {
printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
fw->size, fwname);
release_firmware(fw);
asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
return -EINVAL;
}
chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
(fw->data[1] << 8) | fw->data[0];
ASC_DBG(1, "_asc_mcode_chksum 0x%lx\n", (ulong)chksum);
if (AscLoadMicroCode(iop_base, 0, &fw->data[4],
fw->size - 4) != chksum) {
asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
release_firmware(fw);
return warn_code;
}
release_firmware(fw);
warn_code |= AscInitMicroCodeVar(asc_dvc);
if (!asc_dvc->overrun_dma)
return warn_code;
asc_dvc->init_state |= ASC_INIT_STATE_END_LOAD_MC;
AscEnableInterrupt(iop_base);
return warn_code;
}
static int AdvLoadMicrocode(AdvPortAddr iop_base, const unsigned char *buf,
int size, int memsize, int chksum)
{
int i, j, end, len = 0;
u32 sum;
AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
for (i = 253 * 2; i < size; i++) {
if (buf[i] == 0xff) {
unsigned short word = (buf[i + 3] << 8) | buf[i + 2];
for (j = 0; j < buf[i + 1]; j++) {
AdvWriteWordAutoIncLram(iop_base, word);
len += 2;
}
i += 3;
} else if (buf[i] == 0xfe) {
unsigned short word = (buf[i + 2] << 8) | buf[i + 1];
AdvWriteWordAutoIncLram(iop_base, word);
i += 2;
len += 2;
} else {
unsigned int off = buf[i] * 2;
unsigned short word = (buf[off + 1] << 8) | buf[off];
AdvWriteWordAutoIncLram(iop_base, word);
len += 2;
}
}
end = len;
while (len < memsize) {
AdvWriteWordAutoIncLram(iop_base, 0);
len += 2;
}
sum = 0;
AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
for (len = 0; len < end; len += 2) {
sum += AdvReadWordAutoIncLram(iop_base);
}
if (sum != chksum)
return ASC_IERR_MCODE_CHKSUM;
return 0;
}
static void AdvBuildCarrierFreelist(struct adv_dvc_var *adv_dvc)
{
off_t carr_offset = 0, next_offset;
dma_addr_t carr_paddr;
int carr_num = ADV_CARRIER_BUFSIZE / sizeof(ADV_CARR_T), i;
for (i = 0; i < carr_num; i++) {
carr_offset = i * sizeof(ADV_CARR_T);
carr_paddr = adv_dvc->carrier_addr + carr_offset;
adv_dvc->carrier[i].carr_pa = cpu_to_le32(carr_paddr);
adv_dvc->carrier[i].carr_va = cpu_to_le32(carr_offset);
adv_dvc->carrier[i].areq_vpa = 0;
next_offset = carr_offset + sizeof(ADV_CARR_T);
if (i == carr_num)
next_offset = ~0;
adv_dvc->carrier[i].next_vpa = cpu_to_le32(next_offset);
}
adv_dvc->carr_freelist = &adv_dvc->carrier[1];
}
static ADV_CARR_T *adv_get_carrier(struct adv_dvc_var *adv_dvc, u32 offset)
{
int index;
BUG_ON(offset > ADV_CARRIER_BUFSIZE);
index = offset / sizeof(ADV_CARR_T);
return &adv_dvc->carrier[index];
}
static ADV_CARR_T *adv_get_next_carrier(struct adv_dvc_var *adv_dvc)
{
ADV_CARR_T *carrp = adv_dvc->carr_freelist;
u32 next_vpa = le32_to_cpu(carrp->next_vpa);
if (next_vpa == 0 || next_vpa == ~0) {
ASC_DBG(1, "invalid vpa offset 0x%x\n", next_vpa);
return NULL;
}
adv_dvc->carr_freelist = adv_get_carrier(adv_dvc, next_vpa);
carrp->next_vpa = cpu_to_le32(ADV_CQ_STOPPER);
return carrp;
}
static adv_req_t * adv_get_reqp(struct adv_dvc_var *adv_dvc, u32 offset)
{
struct asc_board *boardp = adv_dvc->drv_ptr;
BUG_ON(offset > adv_dvc->max_host_qng);
return &boardp->adv_reqp[offset];
}
static int
AdvSendIdleCmd(ADV_DVC_VAR *asc_dvc,
ushort idle_cmd, u32 idle_cmd_parameter)
{
int result, i, j;
AdvPortAddr iop_base;
iop_base = asc_dvc->iop_base;
AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS, (ushort)0);
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IDLE_CMD_PARAMETER,
cpu_to_le32(idle_cmd_parameter));
AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD, idle_cmd);
AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_B);
if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_NOP);
}
for (i = 0; i < SCSI_WAIT_100_MSEC; i++) {
for (j = 0; j < SCSI_US_PER_MSEC; j++) {
AdvReadWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS,
result);
if (result != 0)
return result;
udelay(1);
}
}
BUG();
return ADV_ERROR;
}
static int AdvResetSB(ADV_DVC_VAR *asc_dvc)
{
int status;
status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_START, 0L);
if (status != ADV_TRUE) {
return status;
}
udelay(ASC_SCSI_RESET_HOLD_TIME_US);
status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_END, 0L);
if (status != ADV_TRUE) {
return status;
}
mdelay(asc_dvc->scsi_reset_wait * 1000);
return status;
}
static int AdvInitAsc3550Driver(ADV_DVC_VAR *asc_dvc)
{
const struct firmware *fw;
const char fwname[] = "advansys/3550.bin";
AdvPortAddr iop_base;
ushort warn_code;
int begin_addr;
int end_addr;
ushort code_sum;
int word;
int i;
int err;
unsigned long chksum;
ushort scsi_cfg1;
uchar tid;
ushort bios_mem[ASC_MC_BIOSLEN / 2];
ushort wdtr_able = 0, sdtr_able, tagqng_able;
uchar max_cmd[ADV_MAX_TID + 1];
if (asc_dvc->err_code != 0)
return ADV_ERROR;
if (asc_dvc->chip_type != ADV_CHIP_ASC3550) {
asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
return ADV_ERROR;
}
warn_code = 0;
iop_base = asc_dvc->iop_base;
for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
bios_mem[i]);
}
if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] == 0x55AA) {
ushort bios_version, major, minor;
bios_version =
bios_mem[(ASC_MC_BIOS_VERSION - ASC_MC_BIOSMEM) / 2];
major = (bios_version >> 12) & 0xF;
minor = (bios_version >> 8) & 0xF;
if (major < 3 || (major == 3 && minor == 1)) {
AdvReadWordLram(iop_base, 0x120, wdtr_able);
} else {
AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
}
}
AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
max_cmd[tid]);
}
err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
if (err) {
printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
fwname, err);
asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
return err;
}
if (fw->size < 4) {
printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
fw->size, fwname);
release_firmware(fw);
asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
return -EINVAL;
}
chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
(fw->data[1] << 8) | fw->data[0];
asc_dvc->err_code = AdvLoadMicrocode(iop_base, &fw->data[4],
fw->size - 4, ADV_3550_MEMSIZE,
chksum);
release_firmware(fw);
if (asc_dvc->err_code)
return ADV_ERROR;
for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
bios_mem[i]);
}
AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
code_sum = 0;
AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
for (word = begin_addr; word < end_addr; word += 2) {
code_sum += AdvReadWordAutoIncLram(iop_base);
}
AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
asc_dvc->cfg->mcode_date);
AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
asc_dvc->cfg->mcode_version);
AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC3550);
if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
word |= CONTROL_FLAG_IGNORE_PERR;
AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
}
AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
START_CTL_EMFU | READ_CMD_MRM);
if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
asc_dvc->wdtr_able);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
asc_dvc->sdtr_able);
}
word = 0;
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
if (ADV_TID_TO_TIDMASK(tid) & asc_dvc->ultra_able) {
word |= (0x3 << (4 * (tid % 4)));
} else {
word |= (0x2 << (4 * (tid % 4)));
}
if (tid == 3) {
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, word);
word = 0;
} else if (tid == 7) {
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, word);
word = 0;
} else if (tid == 11) {
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, word);
word = 0;
} else if (tid == 15) {
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, word);
}
}
AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
asc_dvc->cfg->disc_enable);
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
asc_dvc->chip_scsi_id);
scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
if ((scsi_cfg1 & CABLE_ILLEGAL_A) == 0 ||
(scsi_cfg1 & CABLE_ILLEGAL_B) == 0) {
asc_dvc->err_code |= ASC_IERR_ILLEGAL_CONNECTION;
return ADV_ERROR;
}
if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
return ADV_ERROR;
}
if ((scsi_cfg1 & DIFF_MODE) && (scsi_cfg1 & DIFF_SENSE) == 0) {
asc_dvc->err_code |= ASC_IERR_SINGLE_END_DEVICE;
return ADV_ERROR;
}
if (asc_dvc->cfg->termination == 0) {
asc_dvc->cfg->termination |= TERM_CTL_SEL;
switch (scsi_cfg1 & CABLE_DETECT) {
case 0x3:
case 0x7:
case 0xB:
case 0xD:
case 0xE:
case 0xF:
asc_dvc->cfg->termination |= (TERM_CTL_H | TERM_CTL_L);
break;
case 0x1:
case 0x5:
case 0x9:
case 0xA:
case 0xC:
asc_dvc->cfg->termination |= TERM_CTL_H;
break;
case 0x2:
case 0x6:
break;
}
}
scsi_cfg1 &= ~TERM_CTL;
scsi_cfg1 |= (TERM_CTL_SEL | (~asc_dvc->cfg->termination & TERM_CTL));
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1,
FLTR_DISABLE | scsi_cfg1);
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
BIOS_EN | RAM_SZ_8KB);
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
AdvBuildCarrierFreelist(asc_dvc);
asc_dvc->icq_sp = adv_get_next_carrier(asc_dvc);
if (!asc_dvc->icq_sp) {
asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
return ADV_ERROR;
}
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
asc_dvc->irq_sp = adv_get_next_carrier(asc_dvc);
if (!asc_dvc->irq_sp) {
asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
return ADV_ERROR;
}
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
asc_dvc->carr_pending_cnt = 0;
AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
(ADV_INTR_ENABLE_HOST_INTR |
ADV_INTR_ENABLE_GLOBAL_INTR));
AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
AdvWriteWordRegister(iop_base, IOPW_PC, word);
AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
0x55AA) {
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
tagqng_able);
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
AdvWriteByteLram(iop_base,
ASC_MC_NUMBER_OF_MAX_CMD + tid,
max_cmd[tid]);
}
} else {
if (AdvResetSB(asc_dvc) != ADV_TRUE) {
warn_code = ASC_WARN_BUSRESET_ERROR;
}
}
}
return warn_code;
}
static int AdvInitAsc38C0800Driver(ADV_DVC_VAR *asc_dvc)
{
const struct firmware *fw;
const char fwname[] = "advansys/38C0800.bin";
AdvPortAddr iop_base;
ushort warn_code;
int begin_addr;
int end_addr;
ushort code_sum;
int word;
int i;
int err;
unsigned long chksum;
ushort scsi_cfg1;
uchar byte;
uchar tid;
ushort bios_mem[ASC_MC_BIOSLEN / 2];
ushort wdtr_able, sdtr_able, tagqng_able;
uchar max_cmd[ADV_MAX_TID + 1];
if (asc_dvc->err_code != 0)
return ADV_ERROR;
if (asc_dvc->chip_type != ADV_CHIP_ASC38C0800) {
asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
return ADV_ERROR;
}
warn_code = 0;
iop_base = asc_dvc->iop_base;
for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
bios_mem[i]);
}
AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
max_cmd[tid]);
}
for (i = 0; i < 2; i++) {
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE);
mdelay(10);
byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
if ((byte & RAM_TEST_DONE) == 0
|| (byte & 0x0F) != PRE_TEST_VALUE) {
asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
return ADV_ERROR;
}
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
mdelay(10);
if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
!= NORMAL_VALUE) {
asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
return ADV_ERROR;
}
}
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE);
mdelay(10);
byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
asc_dvc->bist_err_code = byte;
asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
return ADV_ERROR;
}
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
if (err) {
printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
fwname, err);
asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
return err;
}
if (fw->size < 4) {
printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
fw->size, fwname);
release_firmware(fw);
asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
return -EINVAL;
}
chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
(fw->data[1] << 8) | fw->data[0];
asc_dvc->err_code = AdvLoadMicrocode(iop_base, &fw->data[4],
fw->size - 4, ADV_38C0800_MEMSIZE,
chksum);
release_firmware(fw);
if (asc_dvc->err_code)
return ADV_ERROR;
for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
bios_mem[i]);
}
AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
code_sum = 0;
AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
for (word = begin_addr; word < end_addr; word += 2) {
code_sum += AdvReadWordAutoIncLram(iop_base);
}
AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
asc_dvc->cfg->mcode_date);
AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
asc_dvc->cfg->mcode_version);
AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C0800);
scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1,
scsi_cfg1 | DIS_TERM_DRV);
if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
word |= CONTROL_FLAG_IGNORE_PERR;
AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
}
AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
BC_THRESH_ENB | FIFO_THRESH_80B | START_CTL_TH |
READ_CMD_MRM);
if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
asc_dvc->wdtr_able);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
asc_dvc->sdtr_able);
}
AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
asc_dvc->cfg->disc_enable);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4);
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
asc_dvc->chip_scsi_id);
scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
return ADV_ERROR;
}
if (scsi_cfg1 & HVD) {
asc_dvc->err_code = ASC_IERR_HVD_DEVICE;
return ADV_ERROR;
}
if ((asc_dvc->cfg->termination & TERM_SE) == 0) {
switch (scsi_cfg1 & C_DET_SE) {
case 0x1:
case 0x2:
case 0x3:
asc_dvc->cfg->termination |= TERM_SE;
break;
case 0x0:
asc_dvc->cfg->termination |= TERM_SE_HI;
break;
}
}
if ((asc_dvc->cfg->termination & TERM_LVD) == 0) {
switch (scsi_cfg1 & C_DET_LVD) {
case 0x4:
case 0x8:
case 0xC:
asc_dvc->cfg->termination |= TERM_LVD;
break;
case 0x0:
break;
}
}
scsi_cfg1 &= (~TERM_SE & ~TERM_LVD);
scsi_cfg1 |= (~asc_dvc->cfg->termination & 0xF0);
scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL & ~HVD_LVD_SE);
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1);
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
BIOS_EN | RAM_SZ_16KB);
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
AdvBuildCarrierFreelist(asc_dvc);
asc_dvc->icq_sp = adv_get_next_carrier(asc_dvc);
if (!asc_dvc->icq_sp) {
ASC_DBG(0, "Failed to get ICQ carrier\n");
asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
return ADV_ERROR;
}
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
asc_dvc->irq_sp = adv_get_next_carrier(asc_dvc);
if (!asc_dvc->irq_sp) {
ASC_DBG(0, "Failed to get IRQ carrier\n");
asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
return ADV_ERROR;
}
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
asc_dvc->carr_pending_cnt = 0;
AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
(ADV_INTR_ENABLE_HOST_INTR |
ADV_INTR_ENABLE_GLOBAL_INTR));
AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
AdvWriteWordRegister(iop_base, IOPW_PC, word);
AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
0x55AA) {
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
tagqng_able);
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
AdvWriteByteLram(iop_base,
ASC_MC_NUMBER_OF_MAX_CMD + tid,
max_cmd[tid]);
}
} else {
if (AdvResetSB(asc_dvc) != ADV_TRUE) {
warn_code = ASC_WARN_BUSRESET_ERROR;
}
}
}
return warn_code;
}
static int AdvInitAsc38C1600Driver(ADV_DVC_VAR *asc_dvc)
{
const struct firmware *fw;
const char fwname[] = "advansys/38C1600.bin";
AdvPortAddr iop_base;
ushort warn_code;
int begin_addr;
int end_addr;
ushort code_sum;
long word;
int i;
int err;
unsigned long chksum;
ushort scsi_cfg1;
uchar byte;
uchar tid;
ushort bios_mem[ASC_MC_BIOSLEN / 2];
ushort wdtr_able, sdtr_able, ppr_able, tagqng_able;
uchar max_cmd[ASC_MAX_TID + 1];
if (asc_dvc->err_code != 0) {
return ADV_ERROR;
}
if (asc_dvc->chip_type != ADV_CHIP_ASC38C1600) {
asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
return ADV_ERROR;
}
warn_code = 0;
iop_base = asc_dvc->iop_base;
for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
bios_mem[i]);
}
AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
for (tid = 0; tid <= ASC_MAX_TID; tid++) {
AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
max_cmd[tid]);
}
for (i = 0; i < 2; i++) {
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE);
mdelay(10);
byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
if ((byte & RAM_TEST_DONE) == 0
|| (byte & 0x0F) != PRE_TEST_VALUE) {
asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
return ADV_ERROR;
}
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
mdelay(10);
if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
!= NORMAL_VALUE) {
asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
return ADV_ERROR;
}
}
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE);
mdelay(10);
byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
asc_dvc->bist_err_code = byte;
asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
return ADV_ERROR;
}
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
if (err) {
printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
fwname, err);
asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
return err;
}
if (fw->size < 4) {
printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
fw->size, fwname);
release_firmware(fw);
asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
return -EINVAL;
}
chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
(fw->data[1] << 8) | fw->data[0];
asc_dvc->err_code = AdvLoadMicrocode(iop_base, &fw->data[4],
fw->size - 4, ADV_38C1600_MEMSIZE,
chksum);
release_firmware(fw);
if (asc_dvc->err_code)
return ADV_ERROR;
for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
bios_mem[i]);
}
AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
code_sum = 0;
AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
for (word = begin_addr; word < end_addr; word += 2) {
code_sum += AdvReadWordAutoIncLram(iop_base);
}
AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
asc_dvc->cfg->mcode_date);
AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
asc_dvc->cfg->mcode_version);
AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C1600);
scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1,
scsi_cfg1 | DIS_TERM_DRV);
if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
word |= CONTROL_FLAG_IGNORE_PERR;
AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
}
if ((asc_dvc->bios_ctrl & BIOS_CTRL_AIPP_DIS) == 0) {
AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
word |= CONTROL_FLAG_ENABLE_AIPP;
AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
}
AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
FIFO_THRESH_80B | START_CTL_TH | READ_CMD_MRM);
if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
asc_dvc->wdtr_able);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
asc_dvc->sdtr_able);
}
AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
asc_dvc->cfg->disc_enable);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4);
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
asc_dvc->chip_scsi_id);
scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
return ADV_ERROR;
}
if (scsi_cfg1 & HVD) {
asc_dvc->err_code |= ASC_IERR_HVD_DEVICE;
return ADV_ERROR;
}
if ((asc_dvc->cfg->termination & TERM_SE) == 0) {
struct pci_dev *pdev = adv_dvc_to_pdev(asc_dvc);
switch (scsi_cfg1 & C_DET_SE) {
case 0x1:
case 0x2:
case 0x3:
asc_dvc->cfg->termination |= TERM_SE;
break;
case 0x0:
if (PCI_FUNC(pdev->devfn) == 0) {
} else {
asc_dvc->cfg->termination |= TERM_SE_HI;
}
break;
}
}
scsi_cfg1 &= ~TERM_SE;
scsi_cfg1 |= (~asc_dvc->cfg->termination & TERM_SE);
scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL);
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1);
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
BIOS_EN | RAM_SZ_16KB);
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
AdvBuildCarrierFreelist(asc_dvc);
asc_dvc->icq_sp = adv_get_next_carrier(asc_dvc);
if (!asc_dvc->icq_sp) {
asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
return ADV_ERROR;
}
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
AdvWriteDWordRegister(iop_base, IOPDW_COMMA,
le32_to_cpu(asc_dvc->icq_sp->carr_pa));
asc_dvc->irq_sp = adv_get_next_carrier(asc_dvc);
if (!asc_dvc->irq_sp) {
asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
return ADV_ERROR;
}
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
asc_dvc->carr_pending_cnt = 0;
AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
(ADV_INTR_ENABLE_HOST_INTR |
ADV_INTR_ENABLE_GLOBAL_INTR));
AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
AdvWriteWordRegister(iop_base, IOPW_PC, word);
AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
0x55AA) {
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
tagqng_able);
for (tid = 0; tid <= ASC_MAX_TID; tid++) {
AdvWriteByteLram(iop_base,
ASC_MC_NUMBER_OF_MAX_CMD + tid,
max_cmd[tid]);
}
} else {
if (AdvResetSB(asc_dvc) != ADV_TRUE) {
warn_code = ASC_WARN_BUSRESET_ERROR;
}
}
}
return warn_code;
}
static int AdvResetChipAndSB(ADV_DVC_VAR *asc_dvc)
{
int status;
ushort wdtr_able, sdtr_able, tagqng_able;
ushort ppr_able = 0;
uchar tid, max_cmd[ADV_MAX_TID + 1];
AdvPortAddr iop_base;
ushort bios_sig;
iop_base = asc_dvc->iop_base;
AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
}
AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
max_cmd[tid]);
}
AdvReadWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig);
AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, 0);
AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_STOP);
AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, ADV_CTRL_REG_CMD_RESET);
mdelay(100);
AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
ADV_CTRL_REG_CMD_WR_IO_REG);
asc_dvc->err_code = 0;
if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
status = AdvInitAsc38C1600Driver(asc_dvc);
} else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
status = AdvInitAsc38C0800Driver(asc_dvc);
} else {
status = AdvInitAsc3550Driver(asc_dvc);
}
if (status == 0) {
status = ADV_TRUE;
} else {
status = ADV_FALSE;
}
AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig);
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
}
AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
AdvWriteByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
max_cmd[tid]);
}
return status;
}
static void adv_async_callback(ADV_DVC_VAR *adv_dvc_varp, uchar code)
{
switch (code) {
case ADV_ASYNC_SCSI_BUS_RESET_DET:
ASC_DBG(0, "ADV_ASYNC_SCSI_BUS_RESET_DET\n");
break;
case ADV_ASYNC_RDMA_FAILURE:
ASC_DBG(0, "ADV_ASYNC_RDMA_FAILURE\n");
AdvResetChipAndSB(adv_dvc_varp);
break;
case ADV_HOST_SCSI_BUS_RESET:
ASC_DBG(0, "ADV_HOST_SCSI_BUS_RESET\n");
break;
default:
ASC_DBG(0, "unknown code 0x%x\n", code);
break;
}
}
static void adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp)
{
struct asc_board *boardp = adv_dvc_varp->drv_ptr;
adv_req_t *reqp;
adv_sgblk_t *sgblkp;
struct scsi_cmnd *scp;
u32 resid_cnt;
dma_addr_t sense_addr;
ASC_DBG(1, "adv_dvc_varp 0x%p, scsiqp 0x%p\n",
adv_dvc_varp, scsiqp);
ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp);
scp = scsi_host_find_tag(boardp->shost, scsiqp->srb_tag);
ASC_DBG(1, "scp 0x%p\n", scp);
if (scp == NULL) {
ASC_PRINT
("adv_isr_callback: scp is NULL; adv_req_t dropped.\n");
return;
}
ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len);
reqp = (adv_req_t *)scp->host_scribble;
ASC_DBG(1, "reqp 0x%lx\n", (ulong)reqp);
if (reqp == NULL) {
ASC_PRINT("adv_isr_callback: reqp is NULL\n");
return;
}
scp->host_scribble = NULL;
reqp->cmndp = NULL;
ASC_STATS(boardp->shost, callback);
ASC_DBG(1, "shost 0x%p\n", boardp->shost);
sense_addr = le32_to_cpu(scsiqp->sense_addr);
dma_unmap_single(boardp->dev, sense_addr,
SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
scp->result = 0;
switch (scsiqp->done_status) {
case QD_NO_ERROR:
ASC_DBG(2, "QD_NO_ERROR\n");
resid_cnt = le32_to_cpu(scsiqp->data_cnt);
if (scsi_bufflen(scp) != 0 && resid_cnt != 0 &&
resid_cnt <= scsi_bufflen(scp)) {
ASC_DBG(1, "underrun condition %lu bytes\n",
(ulong)resid_cnt);
scsi_set_resid(scp, resid_cnt);
}
break;
case QD_WITH_ERROR:
ASC_DBG(2, "QD_WITH_ERROR\n");
switch (scsiqp->host_status) {
case QHSTA_NO_ERROR:
set_status_byte(scp, scsiqp->scsi_status);
if (scsiqp->scsi_status == SAM_STAT_CHECK_CONDITION) {
ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n");
ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
SCSI_SENSE_BUFFERSIZE);
}
break;
default:
ASC_DBG(1, "host_status 0x%x\n", scsiqp->host_status);
set_host_byte(scp, DID_BAD_TARGET);
break;
}
break;
case QD_ABORTED_BY_HOST:
ASC_DBG(1, "QD_ABORTED_BY_HOST\n");
set_status_byte(scp, scsiqp->scsi_status);
set_host_byte(scp, DID_ABORT);
break;
default:
ASC_DBG(1, "done_status 0x%x\n", scsiqp->done_status);
set_status_byte(scp, scsiqp->scsi_status);
set_host_byte(scp, DID_ERROR);
break;
}
if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 &&
scsiqp->done_status == QD_NO_ERROR &&
scsiqp->host_status == QHSTA_NO_ERROR) {
boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id);
}
asc_scsi_done(scp);
while ((sgblkp = reqp->sgblkp) != NULL) {
reqp->sgblkp = sgblkp->next_sgblkp;
dma_pool_free(boardp->adv_sgblk_pool, sgblkp,
sgblkp->sg_addr);
}
ASC_DBG(1, "done\n");
}
static int AdvISR(ADV_DVC_VAR *asc_dvc)
{
AdvPortAddr iop_base;
uchar int_stat;
ADV_CARR_T *free_carrp;
__le32 irq_next_vpa;
ADV_SCSI_REQ_Q *scsiq;
adv_req_t *reqp;
iop_base = asc_dvc->iop_base;
int_stat = AdvReadByteRegister(iop_base, IOPB_INTR_STATUS_REG);
if ((int_stat & (ADV_INTR_STATUS_INTRA | ADV_INTR_STATUS_INTRB |
ADV_INTR_STATUS_INTRC)) == 0) {
return ADV_FALSE;
}
if (int_stat & ADV_INTR_STATUS_INTRB) {
uchar intrb_code;
AdvReadByteLram(iop_base, ASC_MC_INTRB_CODE, intrb_code);
if (asc_dvc->chip_type == ADV_CHIP_ASC3550 ||
asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
if (intrb_code == ADV_ASYNC_CARRIER_READY_FAILURE &&
asc_dvc->carr_pending_cnt != 0) {
AdvWriteByteRegister(iop_base, IOPB_TICKLE,
ADV_TICKLE_A);
if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
AdvWriteByteRegister(iop_base,
IOPB_TICKLE,
ADV_TICKLE_NOP);
}
}
}
adv_async_callback(asc_dvc, intrb_code);
}
while (((irq_next_vpa =
le32_to_cpu(asc_dvc->irq_sp->next_vpa)) & ADV_RQ_DONE) != 0) {
u32 pa_offset = le32_to_cpu(asc_dvc->irq_sp->areq_vpa);
ASC_DBG(1, "irq_sp %p areq_vpa %u\n",
asc_dvc->irq_sp, pa_offset);
reqp = adv_get_reqp(asc_dvc, pa_offset);
scsiq = &reqp->scsi_req_q;
if ((irq_next_vpa & ADV_RQ_GOOD) != 0) {
scsiq->done_status = QD_NO_ERROR;
scsiq->host_status = scsiq->scsi_status = 0;
scsiq->data_cnt = 0L;
}
free_carrp = asc_dvc->irq_sp;
asc_dvc->irq_sp = adv_get_carrier(asc_dvc,
ADV_GET_CARRP(irq_next_vpa));
free_carrp->next_vpa = asc_dvc->carr_freelist->carr_va;
asc_dvc->carr_freelist = free_carrp;
asc_dvc->carr_pending_cnt--;
scsiq->cntl = 0;
adv_isr_callback(asc_dvc, scsiq);
}
return ADV_TRUE;
}
static int AscSetLibErrorCode(ASC_DVC_VAR *asc_dvc, ushort err_code)
{
if (asc_dvc->err_code == 0) {
asc_dvc->err_code = err_code;
AscWriteLramWord(asc_dvc->iop_base, ASCV_ASCDVC_ERR_CODE_W,
err_code);
}
return err_code;
}
static void AscAckInterrupt(PortAddr iop_base)
{
uchar host_flag;
uchar risc_flag;
ushort loop;
loop = 0;
do {
risc_flag = AscReadLramByte(iop_base, ASCV_RISC_FLAG_B);
if (loop++ > 0x7FFF) {
break;
}
} while ((risc_flag & ASC_RISC_FLAG_GEN_INT) != 0);
host_flag =
AscReadLramByte(iop_base,
ASCV_HOST_FLAG_B) & (~ASC_HOST_FLAG_ACK_INT);
AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
(uchar)(host_flag | ASC_HOST_FLAG_ACK_INT));
AscSetChipStatus(iop_base, CIW_INT_ACK);
loop = 0;
while (AscGetChipStatus(iop_base) & CSW_INT_PENDING) {
AscSetChipStatus(iop_base, CIW_INT_ACK);
if (loop++ > 3) {
break;
}
}
AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
}
static uchar AscGetSynPeriodIndex(ASC_DVC_VAR *asc_dvc, uchar syn_time)
{
const uchar *period_table;
int max_index;
int min_index;
int i;
period_table = asc_dvc->sdtr_period_tbl;
max_index = (int)asc_dvc->max_sdtr_index;
min_index = (int)asc_dvc->min_sdtr_index;
if ((syn_time <= period_table[max_index])) {
for (i = min_index; i < (max_index - 1); i++) {
if (syn_time <= period_table[i]) {
return (uchar)i;
}
}
return (uchar)max_index;
} else {
return (uchar)(max_index + 1);
}
}
static uchar
AscMsgOutSDTR(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar sdtr_offset)
{
PortAddr iop_base = asc_dvc->iop_base;
uchar sdtr_period_index = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
EXT_MSG sdtr_buf = {
.msg_type = EXTENDED_MESSAGE,
.msg_len = MS_SDTR_LEN,
.msg_req = EXTENDED_SDTR,
.xfer_period = sdtr_period,
.req_ack_offset = sdtr_offset,
};
sdtr_offset &= ASC_SYN_MAX_OFFSET;
if (sdtr_period_index <= asc_dvc->max_sdtr_index) {
AscMemWordCopyPtrToLram(iop_base, ASCV_MSGOUT_BEG,
(uchar *)&sdtr_buf,
sizeof(EXT_MSG) >> 1);
return ((sdtr_period_index << 4) | sdtr_offset);
} else {
sdtr_buf.req_ack_offset = 0;
AscMemWordCopyPtrToLram(iop_base, ASCV_MSGOUT_BEG,
(uchar *)&sdtr_buf,
sizeof(EXT_MSG) >> 1);
return 0;
}
}
static uchar
AscCalSDTRData(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar syn_offset)
{
uchar byte;
uchar sdtr_period_ix;
sdtr_period_ix = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
if (sdtr_period_ix > asc_dvc->max_sdtr_index)
return 0xFF;
byte = (sdtr_period_ix << 4) | (syn_offset & ASC_SYN_MAX_OFFSET);
return byte;
}
static bool AscSetChipSynRegAtID(PortAddr iop_base, uchar id, uchar sdtr_data)
{
ASC_SCSI_BIT_ID_TYPE org_id;
int i;
bool sta = true;
AscSetBank(iop_base, 1);
org_id = AscReadChipDvcID(iop_base);
for (i = 0; i <= ASC_MAX_TID; i++) {
if (org_id == (0x01 << i))
break;
}
org_id = (ASC_SCSI_BIT_ID_TYPE) i;
AscWriteChipDvcID(iop_base, id);
if (AscReadChipDvcID(iop_base) == (0x01 << id)) {
AscSetBank(iop_base, 0);
AscSetChipSyn(iop_base, sdtr_data);
if (AscGetChipSyn(iop_base) != sdtr_data) {
sta = false;
}
} else {
sta = false;
}
AscSetBank(iop_base, 1);
AscWriteChipDvcID(iop_base, org_id);
AscSetBank(iop_base, 0);
return (sta);
}
static void AscSetChipSDTR(PortAddr iop_base, uchar sdtr_data, uchar tid_no)
{
AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
AscPutMCodeSDTRDoneAtID(iop_base, tid_no, sdtr_data);
}
static void AscIsrChipHalted(ASC_DVC_VAR *asc_dvc)
{
EXT_MSG ext_msg;
EXT_MSG out_msg;
ushort halt_q_addr;
bool sdtr_accept;
ushort int_halt_code;
ASC_SCSI_BIT_ID_TYPE scsi_busy;
ASC_SCSI_BIT_ID_TYPE target_id;
PortAddr iop_base;
uchar tag_code;
uchar q_status;
uchar halt_qp;
uchar sdtr_data;
uchar target_ix;
uchar q_cntl, tid_no;
uchar cur_dvc_qng;
uchar asyn_sdtr;
uchar scsi_status;
struct asc_board *boardp;
BUG_ON(!asc_dvc->drv_ptr);
boardp = asc_dvc->drv_ptr;
iop_base = asc_dvc->iop_base;
int_halt_code = AscReadLramWord(iop_base, ASCV_HALTCODE_W);
halt_qp = AscReadLramByte(iop_base, ASCV_CURCDB_B);
halt_q_addr = ASC_QNO_TO_QADDR(halt_qp);
target_ix = AscReadLramByte(iop_base,
(ushort)(halt_q_addr +
(ushort)ASC_SCSIQ_B_TARGET_IX));
q_cntl = AscReadLramByte(iop_base,
(ushort)(halt_q_addr + (ushort)ASC_SCSIQ_B_CNTL));
tid_no = ASC_TIX_TO_TID(target_ix);
target_id = (uchar)ASC_TID_TO_TARGET_ID(tid_no);
if (asc_dvc->pci_fix_asyn_xfer & target_id) {
asyn_sdtr = ASYN_SDTR_DATA_FIX_PCI_REV_AB;
} else {
asyn_sdtr = 0;
}
if (int_halt_code == ASC_HALT_DISABLE_ASYN_USE_SYN_FIX) {
if (asc_dvc->pci_fix_asyn_xfer & target_id) {
AscSetChipSDTR(iop_base, 0, tid_no);
boardp->sdtr_data[tid_no] = 0;
}
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
return;
} else if (int_halt_code == ASC_HALT_ENABLE_ASYN_USE_SYN_FIX) {
if (asc_dvc->pci_fix_asyn_xfer & target_id) {
AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
boardp->sdtr_data[tid_no] = asyn_sdtr;
}
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
return;
} else if (int_halt_code == ASC_HALT_EXTMSG_IN) {
AscMemWordCopyPtrFromLram(iop_base,
ASCV_MSGIN_BEG,
(uchar *)&ext_msg,
sizeof(EXT_MSG) >> 1);
if (ext_msg.msg_type == EXTENDED_MESSAGE &&
ext_msg.msg_req == EXTENDED_SDTR &&
ext_msg.msg_len == MS_SDTR_LEN) {
sdtr_accept = true;
if ((ext_msg.req_ack_offset > ASC_SYN_MAX_OFFSET)) {
sdtr_accept = false;
ext_msg.req_ack_offset = ASC_SYN_MAX_OFFSET;
}
if ((ext_msg.xfer_period <
asc_dvc->sdtr_period_tbl[asc_dvc->min_sdtr_index])
|| (ext_msg.xfer_period >
asc_dvc->sdtr_period_tbl[asc_dvc->
max_sdtr_index])) {
sdtr_accept = false;
ext_msg.xfer_period =
asc_dvc->sdtr_period_tbl[asc_dvc->
min_sdtr_index];
}
if (sdtr_accept) {
sdtr_data =
AscCalSDTRData(asc_dvc, ext_msg.xfer_period,
ext_msg.req_ack_offset);
if (sdtr_data == 0xFF) {
q_cntl |= QC_MSG_OUT;
asc_dvc->init_sdtr &= ~target_id;
asc_dvc->sdtr_done &= ~target_id;
AscSetChipSDTR(iop_base, asyn_sdtr,
tid_no);
boardp->sdtr_data[tid_no] = asyn_sdtr;
}
}
if (ext_msg.req_ack_offset == 0) {
q_cntl &= ~QC_MSG_OUT;
asc_dvc->init_sdtr &= ~target_id;
asc_dvc->sdtr_done &= ~target_id;
AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
} else {
if (sdtr_accept && (q_cntl & QC_MSG_OUT)) {
q_cntl &= ~QC_MSG_OUT;
asc_dvc->sdtr_done |= target_id;
asc_dvc->init_sdtr |= target_id;
asc_dvc->pci_fix_asyn_xfer &=
~target_id;
sdtr_data =
AscCalSDTRData(asc_dvc,
ext_msg.xfer_period,
ext_msg.
req_ack_offset);
AscSetChipSDTR(iop_base, sdtr_data,
tid_no);
boardp->sdtr_data[tid_no] = sdtr_data;
} else {
q_cntl |= QC_MSG_OUT;
AscMsgOutSDTR(asc_dvc,
ext_msg.xfer_period,
ext_msg.req_ack_offset);
asc_dvc->pci_fix_asyn_xfer &=
~target_id;
sdtr_data =
AscCalSDTRData(asc_dvc,
ext_msg.xfer_period,
ext_msg.
req_ack_offset);
AscSetChipSDTR(iop_base, sdtr_data,
tid_no);
boardp->sdtr_data[tid_no] = sdtr_data;
asc_dvc->sdtr_done |= target_id;
asc_dvc->init_sdtr |= target_id;
}
}
AscWriteLramByte(iop_base,
(ushort)(halt_q_addr +
(ushort)ASC_SCSIQ_B_CNTL),
q_cntl);
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
return;
} else if (ext_msg.msg_type == EXTENDED_MESSAGE &&
ext_msg.msg_req == EXTENDED_WDTR &&
ext_msg.msg_len == MS_WDTR_LEN) {
ext_msg.wdtr_width = 0;
AscMemWordCopyPtrToLram(iop_base,
ASCV_MSGOUT_BEG,
(uchar *)&ext_msg,
sizeof(EXT_MSG) >> 1);
q_cntl |= QC_MSG_OUT;
AscWriteLramByte(iop_base,
(ushort)(halt_q_addr +
(ushort)ASC_SCSIQ_B_CNTL),
q_cntl);
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
return;
} else {
ext_msg.msg_type = MESSAGE_REJECT;
AscMemWordCopyPtrToLram(iop_base,
ASCV_MSGOUT_BEG,
(uchar *)&ext_msg,
sizeof(EXT_MSG) >> 1);
q_cntl |= QC_MSG_OUT;
AscWriteLramByte(iop_base,
(ushort)(halt_q_addr +
(ushort)ASC_SCSIQ_B_CNTL),
q_cntl);
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
return;
}
} else if (int_halt_code == ASC_HALT_CHK_CONDITION) {
q_cntl |= QC_REQ_SENSE;
if ((asc_dvc->init_sdtr & target_id) != 0) {
asc_dvc->sdtr_done &= ~target_id;
sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
q_cntl |= QC_MSG_OUT;
AscMsgOutSDTR(asc_dvc,
asc_dvc->
sdtr_period_tbl[(sdtr_data >> 4) &
(uchar)(asc_dvc->
max_sdtr_index -
1)],
(uchar)(sdtr_data & (uchar)
ASC_SYN_MAX_OFFSET));
}
AscWriteLramByte(iop_base,
(ushort)(halt_q_addr +
(ushort)ASC_SCSIQ_B_CNTL), q_cntl);
tag_code = AscReadLramByte(iop_base,
(ushort)(halt_q_addr + (ushort)
ASC_SCSIQ_B_TAG_CODE));
tag_code &= 0xDC;
if ((asc_dvc->pci_fix_asyn_xfer & target_id)
&& !(asc_dvc->pci_fix_asyn_xfer_always & target_id)
) {
tag_code |= (ASC_TAG_FLAG_DISABLE_DISCONNECT
| ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX);
}
AscWriteLramByte(iop_base,
(ushort)(halt_q_addr +
(ushort)ASC_SCSIQ_B_TAG_CODE),
tag_code);
q_status = AscReadLramByte(iop_base,
(ushort)(halt_q_addr + (ushort)
ASC_SCSIQ_B_STATUS));
q_status |= (QS_READY | QS_BUSY);
AscWriteLramByte(iop_base,
(ushort)(halt_q_addr +
(ushort)ASC_SCSIQ_B_STATUS),
q_status);
scsi_busy = AscReadLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B);
scsi_busy &= ~target_id;
AscWriteLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B, scsi_busy);
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
return;
} else if (int_halt_code == ASC_HALT_SDTR_REJECTED) {
AscMemWordCopyPtrFromLram(iop_base,
ASCV_MSGOUT_BEG,
(uchar *)&out_msg,
sizeof(EXT_MSG) >> 1);
if ((out_msg.msg_type == EXTENDED_MESSAGE) &&
(out_msg.msg_len == MS_SDTR_LEN) &&
(out_msg.msg_req == EXTENDED_SDTR)) {
asc_dvc->init_sdtr &= ~target_id;
asc_dvc->sdtr_done &= ~target_id;
AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
boardp->sdtr_data[tid_no] = asyn_sdtr;
}
q_cntl &= ~QC_MSG_OUT;
AscWriteLramByte(iop_base,
(ushort)(halt_q_addr +
(ushort)ASC_SCSIQ_B_CNTL), q_cntl);
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
return;
} else if (int_halt_code == ASC_HALT_SS_QUEUE_FULL) {
scsi_status = AscReadLramByte(iop_base,
(ushort)((ushort)halt_q_addr +
(ushort)
ASC_SCSIQ_SCSI_STATUS));
cur_dvc_qng =
AscReadLramByte(iop_base,
(ushort)((ushort)ASC_QADR_BEG +
(ushort)target_ix));
if ((cur_dvc_qng > 0) && (asc_dvc->cur_dvc_qng[tid_no] > 0)) {
scsi_busy = AscReadLramByte(iop_base,
(ushort)ASCV_SCSIBUSY_B);
scsi_busy |= target_id;
AscWriteLramByte(iop_base,
(ushort)ASCV_SCSIBUSY_B, scsi_busy);
asc_dvc->queue_full_or_busy |= target_id;
if (scsi_status == SAM_STAT_TASK_SET_FULL) {
if (cur_dvc_qng > ASC_MIN_TAGGED_CMD) {
cur_dvc_qng -= 1;
asc_dvc->max_dvc_qng[tid_no] =
cur_dvc_qng;
AscWriteLramByte(iop_base,
(ushort)((ushort)
ASCV_MAX_DVC_QNG_BEG
+ (ushort)
tid_no),
cur_dvc_qng);
boardp->queue_full |= target_id;
boardp->queue_full_cnt[tid_no] =
cur_dvc_qng;
}
}
}
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
return;
}
return;
}
static void
DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words)
{
int i;
ushort word;
AscSetChipLramAddr(iop_base, s_addr);
for (i = 0; i < 2 * words; i += 2) {
if (i == 10) {
continue;
}
word = inpw(iop_base + IOP_RAM_DATA);
inbuf[i] = word & 0xff;
inbuf[i + 1] = (word >> 8) & 0xff;
}
ASC_DBG_PRT_HEX(2, "DvcGetQinfo", inbuf, 2 * words);
}
static uchar
_AscCopyLramScsiDoneQ(PortAddr iop_base,
ushort q_addr,
ASC_QDONE_INFO *scsiq, unsigned int max_dma_count)
{
ushort _val;
uchar sg_queue_cnt;
DvcGetQinfo(iop_base,
q_addr + ASC_SCSIQ_DONE_INFO_BEG,
(uchar *)scsiq,
(sizeof(ASC_SCSIQ_2) + sizeof(ASC_SCSIQ_3)) / 2);
_val = AscReadLramWord(iop_base,
(ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS));
scsiq->q_status = (uchar)_val;
scsiq->q_no = (uchar)(_val >> 8);
_val = AscReadLramWord(iop_base,
(ushort)(q_addr + (ushort)ASC_SCSIQ_B_CNTL));
scsiq->cntl = (uchar)_val;
sg_queue_cnt = (uchar)(_val >> 8);
_val = AscReadLramWord(iop_base,
(ushort)(q_addr +
(ushort)ASC_SCSIQ_B_SENSE_LEN));
scsiq->sense_len = (uchar)_val;
scsiq->extra_bytes = (uchar)(_val >> 8);
scsiq->remain_bytes = (((u32)AscReadLramWord(iop_base,
(ushort)(q_addr +
(ushort)
ASC_SCSIQ_W_ALT_DC1)))
<< 16);
scsiq->remain_bytes += AscReadLramWord(iop_base,
(ushort)(q_addr + (ushort)
ASC_SCSIQ_DW_REMAIN_XFER_CNT));
scsiq->remain_bytes &= max_dma_count;
return sg_queue_cnt;
}
static void asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep)
{
struct asc_board *boardp = asc_dvc_varp->drv_ptr;
u32 srb_tag;
struct scsi_cmnd *scp;
ASC_DBG(1, "asc_dvc_varp 0x%p, qdonep 0x%p\n", asc_dvc_varp, qdonep);
ASC_DBG_PRT_ASC_QDONE_INFO(2, qdonep);
srb_tag = qdonep->d2.srb_tag - 1;
scp = scsi_host_find_tag(boardp->shost, srb_tag);
if (!scp)
return;
ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len);
ASC_STATS(boardp->shost, callback);
dma_unmap_single(boardp->dev, advansys_cmd(scp)->dma_handle,
SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
scp->result = 0;
switch (qdonep->d3.done_stat) {
case QD_NO_ERROR:
ASC_DBG(2, "QD_NO_ERROR\n");
if (scsi_bufflen(scp) != 0 && qdonep->remain_bytes != 0 &&
qdonep->remain_bytes <= scsi_bufflen(scp)) {
ASC_DBG(1, "underrun condition %u bytes\n",
(unsigned)qdonep->remain_bytes);
scsi_set_resid(scp, qdonep->remain_bytes);
}
break;
case QD_WITH_ERROR:
ASC_DBG(2, "QD_WITH_ERROR\n");
switch (qdonep->d3.host_stat) {
case QHSTA_NO_ERROR:
set_status_byte(scp, qdonep->d3.scsi_stat);
if (qdonep->d3.scsi_stat == SAM_STAT_CHECK_CONDITION) {
ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n");
ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
SCSI_SENSE_BUFFERSIZE);
}
break;
default:
ASC_DBG(1, "host_stat 0x%x\n", qdonep->d3.host_stat);
set_host_byte(scp, DID_BAD_TARGET);
break;
}
break;
case QD_ABORTED_BY_HOST:
ASC_DBG(1, "QD_ABORTED_BY_HOST\n");
set_status_byte(scp, qdonep->d3.scsi_stat);
set_host_byte(scp, DID_ABORT);
break;
default:
ASC_DBG(1, "done_stat 0x%x\n", qdonep->d3.done_stat);
set_status_byte(scp, qdonep->d3.scsi_stat);
set_host_byte(scp, DID_ERROR);
break;
}
if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 &&
qdonep->d3.done_stat == QD_NO_ERROR &&
qdonep->d3.host_stat == QHSTA_NO_ERROR) {
boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id);
}
asc_scsi_done(scp);
}
static int AscIsrQDone(ASC_DVC_VAR *asc_dvc)
{
uchar next_qp;
uchar n_q_used;
uchar sg_list_qp;
uchar sg_queue_cnt;
uchar q_cnt;
uchar done_q_tail;
uchar tid_no;
ASC_SCSI_BIT_ID_TYPE scsi_busy;
ASC_SCSI_BIT_ID_TYPE target_id;
PortAddr iop_base;
ushort q_addr;
ushort sg_q_addr;
uchar cur_target_qng;
ASC_QDONE_INFO scsiq_buf;
ASC_QDONE_INFO *scsiq;
bool false_overrun;
iop_base = asc_dvc->iop_base;
n_q_used = 1;
scsiq = (ASC_QDONE_INFO *)&scsiq_buf;
done_q_tail = (uchar)AscGetVarDoneQTail(iop_base);
q_addr = ASC_QNO_TO_QADDR(done_q_tail);
next_qp = AscReadLramByte(iop_base,
(ushort)(q_addr + (ushort)ASC_SCSIQ_B_FWD));
if (next_qp != ASC_QLINK_END) {
AscPutVarDoneQTail(iop_base, next_qp);
q_addr = ASC_QNO_TO_QADDR(next_qp);
sg_queue_cnt = _AscCopyLramScsiDoneQ(iop_base, q_addr, scsiq,
asc_dvc->max_dma_count);
AscWriteLramByte(iop_base,
(ushort)(q_addr +
(ushort)ASC_SCSIQ_B_STATUS),
(uchar)(scsiq->
q_status & (uchar)~(QS_READY |
QS_ABORTED)));
tid_no = ASC_TIX_TO_TID(scsiq->d2.target_ix);
target_id = ASC_TIX_TO_TARGET_ID(scsiq->d2.target_ix);
if ((scsiq->cntl & QC_SG_HEAD) != 0) {
sg_q_addr = q_addr;
sg_list_qp = next_qp;
for (q_cnt = 0; q_cnt < sg_queue_cnt; q_cnt++) {
sg_list_qp = AscReadLramByte(iop_base,
(ushort)(sg_q_addr
+ (ushort)
ASC_SCSIQ_B_FWD));
sg_q_addr = ASC_QNO_TO_QADDR(sg_list_qp);
if (sg_list_qp == ASC_QLINK_END) {
AscSetLibErrorCode(asc_dvc,
ASCQ_ERR_SG_Q_LINKS);
scsiq->d3.done_stat = QD_WITH_ERROR;
scsiq->d3.host_stat =
QHSTA_D_QDONE_SG_LIST_CORRUPTED;
goto FATAL_ERR_QDONE;
}
AscWriteLramByte(iop_base,
(ushort)(sg_q_addr + (ushort)
ASC_SCSIQ_B_STATUS),
QS_FREE);
}
n_q_used = sg_queue_cnt + 1;
AscPutVarDoneQTail(iop_base, sg_list_qp);
}
if (asc_dvc->queue_full_or_busy & target_id) {
cur_target_qng = AscReadLramByte(iop_base,
(ushort)((ushort)
ASC_QADR_BEG
+ (ushort)
scsiq->d2.
target_ix));
if (cur_target_qng < asc_dvc->max_dvc_qng[tid_no]) {
scsi_busy = AscReadLramByte(iop_base, (ushort)
ASCV_SCSIBUSY_B);
scsi_busy &= ~target_id;
AscWriteLramByte(iop_base,
(ushort)ASCV_SCSIBUSY_B,
scsi_busy);
asc_dvc->queue_full_or_busy &= ~target_id;
}
}
if (asc_dvc->cur_total_qng >= n_q_used) {
asc_dvc->cur_total_qng -= n_q_used;
if (asc_dvc->cur_dvc_qng[tid_no] != 0) {
asc_dvc->cur_dvc_qng[tid_no]--;
}
} else {
AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CUR_QNG);
scsiq->d3.done_stat = QD_WITH_ERROR;
goto FATAL_ERR_QDONE;
}
if ((scsiq->d2.srb_tag == 0UL) ||
((scsiq->q_status & QS_ABORTED) != 0)) {
return (0x11);
} else if (scsiq->q_status == QS_DONE) {
false_overrun = false;
if (scsiq->extra_bytes != 0) {
scsiq->remain_bytes += scsiq->extra_bytes;
}
if (scsiq->d3.done_stat == QD_WITH_ERROR) {
if (scsiq->d3.host_stat ==
QHSTA_M_DATA_OVER_RUN) {
if ((scsiq->
cntl & (QC_DATA_IN | QC_DATA_OUT))
== 0) {
scsiq->d3.done_stat =
QD_NO_ERROR;
scsiq->d3.host_stat =
QHSTA_NO_ERROR;
} else if (false_overrun) {
scsiq->d3.done_stat =
QD_NO_ERROR;
scsiq->d3.host_stat =
QHSTA_NO_ERROR;
}
} else if (scsiq->d3.host_stat ==
QHSTA_M_HUNG_REQ_SCSI_BUS_RESET) {
AscStopChip(iop_base);
AscSetChipControl(iop_base,
(uchar)(CC_SCSI_RESET
| CC_HALT));
udelay(60);
AscSetChipControl(iop_base, CC_HALT);
AscSetChipStatus(iop_base,
CIW_CLR_SCSI_RESET_INT);
AscSetChipStatus(iop_base, 0);
AscSetChipControl(iop_base, 0);
}
}
if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
asc_isr_callback(asc_dvc, scsiq);
} else {
if ((AscReadLramByte(iop_base,
(ushort)(q_addr + (ushort)
ASC_SCSIQ_CDB_BEG))
== START_STOP)) {
asc_dvc->unit_not_ready &= ~target_id;
if (scsiq->d3.done_stat != QD_NO_ERROR) {
asc_dvc->start_motor &=
~target_id;
}
}
}
return (1);
} else {
AscSetLibErrorCode(asc_dvc, ASCQ_ERR_Q_STATUS);
FATAL_ERR_QDONE:
if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
asc_isr_callback(asc_dvc, scsiq);
}
return (0x80);
}
}
return (0);
}
static int AscISR(ASC_DVC_VAR *asc_dvc)
{
ASC_CS_TYPE chipstat;
PortAddr iop_base;
ushort saved_ram_addr;
uchar ctrl_reg;
uchar saved_ctrl_reg;
int int_pending;
int status;
uchar host_flag;
iop_base = asc_dvc->iop_base;
int_pending = ASC_FALSE;
if (AscIsIntPending(iop_base) == 0)
return int_pending;
if ((asc_dvc->init_state & ASC_INIT_STATE_END_LOAD_MC) == 0) {
return ASC_ERROR;
}
if (asc_dvc->in_critical_cnt != 0) {
AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_ON_CRITICAL);
return ASC_ERROR;
}
if (asc_dvc->is_in_int) {
AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_RE_ENTRY);
return ASC_ERROR;
}
asc_dvc->is_in_int = true;
ctrl_reg = AscGetChipControl(iop_base);
saved_ctrl_reg = ctrl_reg & (~(CC_SCSI_RESET | CC_CHIP_RESET |
CC_SINGLE_STEP | CC_DIAG | CC_TEST));
chipstat = AscGetChipStatus(iop_base);
if (chipstat & CSW_SCSI_RESET_LATCH) {
if (!(asc_dvc->bus_type & (ASC_IS_VL | ASC_IS_EISA))) {
int i = 10;
int_pending = ASC_TRUE;
asc_dvc->sdtr_done = 0;
saved_ctrl_reg &= (uchar)(~CC_HALT);
while ((AscGetChipStatus(iop_base) &
CSW_SCSI_RESET_ACTIVE) && (i-- > 0)) {
mdelay(100);
}
AscSetChipControl(iop_base, (CC_CHIP_RESET | CC_HALT));
AscSetChipControl(iop_base, CC_HALT);
AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
AscSetChipStatus(iop_base, 0);
chipstat = AscGetChipStatus(iop_base);
}
}
saved_ram_addr = AscGetChipLramAddr(iop_base);
host_flag = AscReadLramByte(iop_base,
ASCV_HOST_FLAG_B) &
(uchar)(~ASC_HOST_FLAG_IN_ISR);
AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
(uchar)(host_flag | (uchar)ASC_HOST_FLAG_IN_ISR));
if ((chipstat & CSW_INT_PENDING) || (int_pending)) {
AscAckInterrupt(iop_base);
int_pending = ASC_TRUE;
if ((chipstat & CSW_HALTED) && (ctrl_reg & CC_SINGLE_STEP)) {
AscIsrChipHalted(asc_dvc);
saved_ctrl_reg &= (uchar)(~CC_HALT);
} else {
if ((asc_dvc->dvc_cntl & ASC_CNTL_INT_MULTI_Q) != 0) {
while (((status =
AscIsrQDone(asc_dvc)) & 0x01) != 0) {
}
} else {
do {
if ((status =
AscIsrQDone(asc_dvc)) == 1) {
break;
}
} while (status == 0x11);
}
if ((status & 0x80) != 0)
int_pending = ASC_ERROR;
}
}
AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
AscSetChipLramAddr(iop_base, saved_ram_addr);
AscSetChipControl(iop_base, saved_ctrl_reg);
asc_dvc->is_in_int = false;
return int_pending;
}
static int advansys_reset(struct scsi_cmnd *scp)
{
struct Scsi_Host *shost = scp->device->host;
struct asc_board *boardp = shost_priv(shost);
unsigned long flags;
int status;
int ret = SUCCESS;
ASC_DBG(1, "0x%p\n", scp);
ASC_STATS(shost, reset);
scmd_printk(KERN_INFO, scp, "SCSI host reset started...\n");
if (ASC_NARROW_BOARD(boardp)) {
ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;
ASC_DBG(1, "before AscInitAsc1000Driver()\n");
status = AscInitAsc1000Driver(asc_dvc);
if (asc_dvc->err_code || !asc_dvc->overrun_dma) {
scmd_printk(KERN_INFO, scp, "SCSI host reset error: "
"0x%x, status: 0x%x\n", asc_dvc->err_code,
status);
ret = FAILED;
} else if (status) {
scmd_printk(KERN_INFO, scp, "SCSI host reset warning: "
"0x%x\n", status);
} else {
scmd_printk(KERN_INFO, scp, "SCSI host reset "
"successful\n");
}
ASC_DBG(1, "after AscInitAsc1000Driver()\n");
} else {
ADV_DVC_VAR *adv_dvc = &boardp->dvc_var.adv_dvc_var;
ASC_DBG(1, "before AdvResetChipAndSB()\n");
switch (AdvResetChipAndSB(adv_dvc)) {
case ASC_TRUE:
scmd_printk(KERN_INFO, scp, "SCSI host reset "
"successful\n");
break;
case ASC_FALSE:
default:
scmd_printk(KERN_INFO, scp, "SCSI host reset error\n");
ret = FAILED;
break;
}
spin_lock_irqsave(shost->host_lock, flags);
AdvISR(adv_dvc);
spin_unlock_irqrestore(shost->host_lock, flags);
}
ASC_DBG(1, "ret %d\n", ret);
return ret;
}
static int
advansys_biosparam(struct scsi_device *sdev, struct block_device *bdev,
sector_t capacity, int ip[])
{
struct asc_board *boardp = shost_priv(sdev->host);
ASC_DBG(1, "begin\n");
ASC_STATS(sdev->host, biosparam);
if (ASC_NARROW_BOARD(boardp)) {
if ((boardp->dvc_var.asc_dvc_var.dvc_cntl &
ASC_CNTL_BIOS_GT_1GB) && capacity > 0x200000) {
ip[0] = 255;
ip[1] = 63;
} else {
ip[0] = 64;
ip[1] = 32;
}
} else {
if ((boardp->dvc_var.adv_dvc_var.bios_ctrl &
BIOS_CTRL_EXTENDED_XLAT) && capacity > 0x200000) {
ip[0] = 255;
ip[1] = 63;
} else {
ip[0] = 64;
ip[1] = 32;
}
}
ip[2] = (unsigned long)capacity / (ip[0] * ip[1]);
ASC_DBG(1, "end\n");
return 0;
}
static irqreturn_t advansys_interrupt(int irq, void *dev_id)
{
struct Scsi_Host *shost = dev_id;
struct asc_board *boardp = shost_priv(shost);
irqreturn_t result = IRQ_NONE;
unsigned long flags;
ASC_DBG(2, "boardp 0x%p\n", boardp);
spin_lock_irqsave(shost->host_lock, flags);
if (ASC_NARROW_BOARD(boardp)) {
if (AscIsIntPending(shost->io_port)) {
result = IRQ_HANDLED;
ASC_STATS(shost, interrupt);
ASC_DBG(1, "before AscISR()\n");
AscISR(&boardp->dvc_var.asc_dvc_var);
}
} else {
ASC_DBG(1, "before AdvISR()\n");
if (AdvISR(&boardp->dvc_var.adv_dvc_var)) {
result = IRQ_HANDLED;
ASC_STATS(shost, interrupt);
}
}
spin_unlock_irqrestore(shost->host_lock, flags);
ASC_DBG(1, "end\n");
return result;
}
static bool AscHostReqRiscHalt(PortAddr iop_base)
{
int count = 0;
bool sta = false;
uchar saved_stop_code;
if (AscIsChipHalted(iop_base))
return true;
saved_stop_code = AscReadLramByte(iop_base, ASCV_STOP_CODE_B);
AscWriteLramByte(iop_base, ASCV_STOP_CODE_B,
ASC_STOP_HOST_REQ_RISC_HALT | ASC_STOP_REQ_RISC_STOP);
do {
if (AscIsChipHalted(iop_base)) {
sta = true;
break;
}
mdelay(100);
} while (count++ < 20);
AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, saved_stop_code);
return sta;
}
static bool
AscSetRunChipSynRegAtID(PortAddr iop_base, uchar tid_no, uchar sdtr_data)
{
bool sta = false;
if (AscHostReqRiscHalt(iop_base)) {
sta = AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
AscStartChip(iop_base);
}
return sta;
}
static void AscAsyncFix(ASC_DVC_VAR *asc_dvc, struct scsi_device *sdev)
{
char type = sdev->type;
ASC_SCSI_BIT_ID_TYPE tid_bits = 1 << sdev->id;
if (!(asc_dvc->bug_fix_cntl & ASC_BUG_FIX_ASYN_USE_SYN))
return;
if (asc_dvc->init_sdtr & tid_bits)
return;
if ((type == TYPE_ROM) && (strncmp(sdev->vendor, "HP ", 3) == 0))
asc_dvc->pci_fix_asyn_xfer_always |= tid_bits;
asc_dvc->pci_fix_asyn_xfer |= tid_bits;
if ((type == TYPE_PROCESSOR) || (type == TYPE_SCANNER) ||
(type == TYPE_ROM) || (type == TYPE_TAPE))
asc_dvc->pci_fix_asyn_xfer &= ~tid_bits;
if (asc_dvc->pci_fix_asyn_xfer & tid_bits)
AscSetRunChipSynRegAtID(asc_dvc->iop_base, sdev->id,
ASYN_SDTR_DATA_FIX_PCI_REV_AB);
}
static void
advansys_narrow_slave_configure(struct scsi_device *sdev, ASC_DVC_VAR *asc_dvc)
{
ASC_SCSI_BIT_ID_TYPE tid_bit = 1 << sdev->id;
ASC_SCSI_BIT_ID_TYPE orig_use_tagged_qng = asc_dvc->use_tagged_qng;
if (sdev->lun == 0) {
ASC_SCSI_BIT_ID_TYPE orig_init_sdtr = asc_dvc->init_sdtr;
if ((asc_dvc->cfg->sdtr_enable & tid_bit) && sdev->sdtr) {
asc_dvc->init_sdtr |= tid_bit;
} else {
asc_dvc->init_sdtr &= ~tid_bit;
}
if (orig_init_sdtr != asc_dvc->init_sdtr)
AscAsyncFix(asc_dvc, sdev);
}
if (sdev->tagged_supported) {
if (asc_dvc->cfg->cmd_qng_enabled & tid_bit) {
if (sdev->lun == 0) {
asc_dvc->cfg->can_tagged_qng |= tid_bit;
asc_dvc->use_tagged_qng |= tid_bit;
}
scsi_change_queue_depth(sdev,
asc_dvc->max_dvc_qng[sdev->id]);
}
} else {
if (sdev->lun == 0) {
asc_dvc->cfg->can_tagged_qng &= ~tid_bit;
asc_dvc->use_tagged_qng &= ~tid_bit;
}
}
if ((sdev->lun == 0) &&
(orig_use_tagged_qng != asc_dvc->use_tagged_qng)) {
AscWriteLramByte(asc_dvc->iop_base, ASCV_DISC_ENABLE_B,
asc_dvc->cfg->disc_enable);
AscWriteLramByte(asc_dvc->iop_base, ASCV_USE_TAGGED_QNG_B,
asc_dvc->use_tagged_qng);
AscWriteLramByte(asc_dvc->iop_base, ASCV_CAN_TAGGED_QNG_B,
asc_dvc->cfg->can_tagged_qng);
asc_dvc->max_dvc_qng[sdev->id] =
asc_dvc->cfg->max_tag_qng[sdev->id];
AscWriteLramByte(asc_dvc->iop_base,
(ushort)(ASCV_MAX_DVC_QNG_BEG + sdev->id),
asc_dvc->max_dvc_qng[sdev->id]);
}
}
static void
advansys_wide_enable_wdtr(AdvPortAddr iop_base, unsigned short tidmask)
{
unsigned short cfg_word;
AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
if ((cfg_word & tidmask) != 0)
return;
cfg_word |= tidmask;
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
cfg_word &= ~tidmask;
AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
cfg_word &= ~tidmask;
AdvWriteWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
}
static void
advansys_wide_enable_sdtr(AdvPortAddr iop_base, unsigned short tidmask)
{
unsigned short cfg_word;
AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
if ((cfg_word & tidmask) != 0)
return;
cfg_word |= tidmask;
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
cfg_word &= ~tidmask;
AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
}
static void advansys_wide_enable_ppr(ADV_DVC_VAR *adv_dvc,
AdvPortAddr iop_base, unsigned short tidmask)
{
AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
adv_dvc->ppr_able |= tidmask;
AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
}
static void
advansys_wide_slave_configure(struct scsi_device *sdev, ADV_DVC_VAR *adv_dvc)
{
AdvPortAddr iop_base = adv_dvc->iop_base;
unsigned short tidmask = 1 << sdev->id;
if (sdev->lun == 0) {
if ((adv_dvc->wdtr_able & tidmask) && sdev->wdtr)
advansys_wide_enable_wdtr(iop_base, tidmask);
if ((adv_dvc->sdtr_able & tidmask) && sdev->sdtr)
advansys_wide_enable_sdtr(iop_base, tidmask);
if (adv_dvc->chip_type == ADV_CHIP_ASC38C1600 && sdev->ppr)
advansys_wide_enable_ppr(adv_dvc, iop_base, tidmask);
if ((adv_dvc->tagqng_able & tidmask) &&
sdev->tagged_supported) {
unsigned short cfg_word;
AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, cfg_word);
cfg_word |= tidmask;
AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
cfg_word);
AdvWriteByteLram(iop_base,
ASC_MC_NUMBER_OF_MAX_CMD + sdev->id,
adv_dvc->max_dvc_qng);
}
}
if ((adv_dvc->tagqng_able & tidmask) && sdev->tagged_supported)
scsi_change_queue_depth(sdev, adv_dvc->max_dvc_qng);
}
static int advansys_slave_configure(struct scsi_device *sdev)
{
struct asc_board *boardp = shost_priv(sdev->host);
if (ASC_NARROW_BOARD(boardp))
advansys_narrow_slave_configure(sdev,
&boardp->dvc_var.asc_dvc_var);
else
advansys_wide_slave_configure(sdev,
&boardp->dvc_var.adv_dvc_var);
return 0;
}
static __le32 asc_get_sense_buffer_dma(struct scsi_cmnd *scp)
{
struct asc_board *board = shost_priv(scp->device->host);
struct advansys_cmd *acmd = advansys_cmd(scp);
acmd->dma_handle = dma_map_single(board->dev, scp->sense_buffer,
SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
if (dma_mapping_error(board->dev, acmd->dma_handle)) {
ASC_DBG(1, "failed to map sense buffer\n");
return 0;
}
return cpu_to_le32(acmd->dma_handle);
}
static int asc_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
struct asc_scsi_q *asc_scsi_q)
{
struct asc_dvc_var *asc_dvc = &boardp->dvc_var.asc_dvc_var;
int use_sg;
u32 srb_tag;
memset(asc_scsi_q, 0, sizeof(*asc_scsi_q));
srb_tag = scsi_cmd_to_rq(scp)->tag + 1;
asc_scsi_q->q2.srb_tag = srb_tag;
asc_scsi_q->cdbptr = &scp->cmnd[0];
asc_scsi_q->q2.cdb_len = scp->cmd_len;
asc_scsi_q->q1.target_id = ASC_TID_TO_TARGET_ID(scp->device->id);
asc_scsi_q->q1.target_lun = scp->device->lun;
asc_scsi_q->q2.target_ix =
ASC_TIDLUN_TO_IX(scp->device->id, scp->device->lun);
asc_scsi_q->q1.sense_addr = asc_get_sense_buffer_dma(scp);
asc_scsi_q->q1.sense_len = SCSI_SENSE_BUFFERSIZE;
if (!asc_scsi_q->q1.sense_addr)
return ASC_BUSY;
if ((asc_dvc->cur_dvc_qng[scp->device->id] > 0) &&
(boardp->reqcnt[scp->device->id] % 255) == 0) {
asc_scsi_q->q2.tag_code = ORDERED_QUEUE_TAG;
} else {
asc_scsi_q->q2.tag_code = SIMPLE_QUEUE_TAG;
}
use_sg = scsi_dma_map(scp);
if (use_sg < 0) {
ASC_DBG(1, "failed to map sglist\n");
return ASC_BUSY;
} else if (use_sg > 0) {
int sgcnt;
struct scatterlist *slp;
struct asc_sg_head *asc_sg_head;
if (use_sg > scp->device->host->sg_tablesize) {
scmd_printk(KERN_ERR, scp, "use_sg %d > "
"sg_tablesize %d\n", use_sg,
scp->device->host->sg_tablesize);
scsi_dma_unmap(scp);
set_host_byte(scp, DID_ERROR);
return ASC_ERROR;
}
asc_sg_head = kzalloc(struct_size(asc_sg_head, sg_list, use_sg),
GFP_ATOMIC);
if (!asc_sg_head) {
scsi_dma_unmap(scp);
set_host_byte(scp, DID_SOFT_ERROR);
return ASC_ERROR;
}
asc_scsi_q->q1.cntl |= QC_SG_HEAD;
asc_scsi_q->sg_head = asc_sg_head;
asc_scsi_q->q1.data_cnt = 0;
asc_scsi_q->q1.data_addr = 0;
asc_sg_head->entry_cnt = asc_scsi_q->q1.sg_queue_cnt = use_sg;
ASC_STATS_ADD(scp->device->host, xfer_elem,
asc_sg_head->entry_cnt);
scsi_for_each_sg(scp, slp, use_sg, sgcnt) {
asc_sg_head->sg_list[sgcnt].addr =
cpu_to_le32(sg_dma_address(slp));
asc_sg_head->sg_list[sgcnt].bytes =
cpu_to_le32(sg_dma_len(slp));
ASC_STATS_ADD(scp->device->host, xfer_sect,
DIV_ROUND_UP(sg_dma_len(slp), 512));
}
}
ASC_STATS(scp->device->host, xfer_cnt);
ASC_DBG_PRT_ASC_SCSI_Q(2, asc_scsi_q);
ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);
return ASC_NOERROR;
}
static int
adv_get_sglist(struct asc_board *boardp, adv_req_t *reqp,
ADV_SCSI_REQ_Q *scsiqp, struct scsi_cmnd *scp, int use_sg)
{
adv_sgblk_t *sgblkp, *prev_sgblkp;
struct scatterlist *slp;
int sg_elem_cnt;
ADV_SG_BLOCK *sg_block, *prev_sg_block;
dma_addr_t sgblk_paddr;
int i;
slp = scsi_sglist(scp);
sg_elem_cnt = use_sg;
prev_sgblkp = NULL;
prev_sg_block = NULL;
reqp->sgblkp = NULL;
for (;;) {
sgblkp = dma_pool_alloc(boardp->adv_sgblk_pool, GFP_ATOMIC,
&sgblk_paddr);
if (!sgblkp) {
ASC_DBG(1, "no free adv_sgblk_t\n");
ASC_STATS(scp->device->host, adv_build_nosg);
while ((sgblkp = reqp->sgblkp) != NULL) {
reqp->sgblkp = sgblkp->next_sgblkp;
sgblkp->next_sgblkp = NULL;
dma_pool_free(boardp->adv_sgblk_pool, sgblkp,
sgblkp->sg_addr);
}
return ASC_BUSY;
}
sgblkp->sg_addr = sgblk_paddr;
sgblkp->next_sgblkp = NULL;
sg_block = &sgblkp->sg_block;
if (reqp->sgblkp == NULL) {
reqp->sgblkp = sgblkp;
scsiqp->sg_list_ptr = sg_block;
scsiqp->sg_real_addr = cpu_to_le32(sgblk_paddr);
} else {
prev_sgblkp->next_sgblkp = sgblkp;
prev_sg_block->sg_ptr = cpu_to_le32(sgblk_paddr);
}
for (i = 0; i < NO_OF_SG_PER_BLOCK; i++) {
sg_block->sg_list[i].sg_addr =
cpu_to_le32(sg_dma_address(slp));
sg_block->sg_list[i].sg_count =
cpu_to_le32(sg_dma_len(slp));
ASC_STATS_ADD(scp->device->host, xfer_sect,
DIV_ROUND_UP(sg_dma_len(slp), 512));
if (--sg_elem_cnt == 0) {
sg_block->sg_cnt = i + 1;
sg_block->sg_ptr = 0L;
return ADV_SUCCESS;
}
slp = sg_next(slp);
}
sg_block->sg_cnt = NO_OF_SG_PER_BLOCK;
prev_sg_block = sg_block;
prev_sgblkp = sgblkp;
}
}
static int
adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
adv_req_t **adv_reqpp)
{
u32 srb_tag = scsi_cmd_to_rq(scp)->tag;
adv_req_t *reqp;
ADV_SCSI_REQ_Q *scsiqp;
int ret;
int use_sg;
dma_addr_t sense_addr;
reqp = &boardp->adv_reqp[srb_tag];
if (reqp->cmndp && reqp->cmndp != scp ) {
ASC_DBG(1, "no free adv_req_t\n");
ASC_STATS(scp->device->host, adv_build_noreq);
return ASC_BUSY;
}
reqp->req_addr = boardp->adv_reqp_addr + (srb_tag * sizeof(adv_req_t));
scsiqp = &reqp->scsi_req_q;
scsiqp->cntl = scsiqp->scsi_cntl = scsiqp->done_status = 0;
scsiqp->srb_tag = srb_tag;
reqp->cmndp = scp;
scp->host_scribble = (void *)reqp;
scsiqp->cdb_len = scp->cmd_len;
memcpy(scsiqp->cdb, scp->cmnd, scp->cmd_len < 12 ? scp->cmd_len : 12);
if (scp->cmd_len > 12) {
int cdb16_len = scp->cmd_len - 12;
memcpy(scsiqp->cdb16, &scp->cmnd[12], cdb16_len);
}
scsiqp->target_id = scp->device->id;
scsiqp->target_lun = scp->device->lun;
sense_addr = dma_map_single(boardp->dev, scp->sense_buffer,
SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
if (dma_mapping_error(boardp->dev, sense_addr)) {
ASC_DBG(1, "failed to map sense buffer\n");
ASC_STATS(scp->device->host, adv_build_noreq);
return ASC_BUSY;
}
scsiqp->sense_addr = cpu_to_le32(sense_addr);
scsiqp->sense_len = SCSI_SENSE_BUFFERSIZE;
use_sg = scsi_dma_map(scp);
if (use_sg < 0) {
ASC_DBG(1, "failed to map SG list\n");
ASC_STATS(scp->device->host, adv_build_noreq);
return ASC_BUSY;
} else if (use_sg == 0) {
reqp->sgblkp = NULL;
scsiqp->data_cnt = 0;
scsiqp->data_addr = 0;
scsiqp->sg_list_ptr = NULL;
scsiqp->sg_real_addr = 0;
} else {
if (use_sg > ADV_MAX_SG_LIST) {
scmd_printk(KERN_ERR, scp, "use_sg %d > "
"ADV_MAX_SG_LIST %d\n", use_sg,
scp->device->host->sg_tablesize);
scsi_dma_unmap(scp);
set_host_byte(scp, DID_ERROR);
reqp->cmndp = NULL;
scp->host_scribble = NULL;
return ASC_ERROR;
}
scsiqp->data_cnt = cpu_to_le32(scsi_bufflen(scp));
ret = adv_get_sglist(boardp, reqp, scsiqp, scp, use_sg);
if (ret != ADV_SUCCESS) {
scsi_dma_unmap(scp);
set_host_byte(scp, DID_ERROR);
reqp->cmndp = NULL;
scp->host_scribble = NULL;
return ret;
}
ASC_STATS_ADD(scp->device->host, xfer_elem, use_sg);
}
ASC_STATS(scp->device->host, xfer_cnt);
ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp);
ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);
*adv_reqpp = reqp;
return ASC_NOERROR;
}
static int AscSgListToQueue(int sg_list)
{
int n_sg_list_qs;
n_sg_list_qs = ((sg_list - 1) / ASC_SG_LIST_PER_Q);
if (((sg_list - 1) % ASC_SG_LIST_PER_Q) != 0)
n_sg_list_qs++;
return n_sg_list_qs + 1;
}
static uint
AscGetNumOfFreeQueue(ASC_DVC_VAR *asc_dvc, uchar target_ix, uchar n_qs)
{
uint cur_used_qs;
uint cur_free_qs;
ASC_SCSI_BIT_ID_TYPE target_id;
uchar tid_no;
target_id = ASC_TIX_TO_TARGET_ID(target_ix);
tid_no = ASC_TIX_TO_TID(target_ix);
if ((asc_dvc->unit_not_ready & target_id) ||
(asc_dvc->queue_full_or_busy & target_id)) {
return 0;
}
if (n_qs == 1) {
cur_used_qs = (uint) asc_dvc->cur_total_qng +
(uint) asc_dvc->last_q_shortage + (uint) ASC_MIN_FREE_Q;
} else {
cur_used_qs = (uint) asc_dvc->cur_total_qng +
(uint) ASC_MIN_FREE_Q;
}
if ((uint) (cur_used_qs + n_qs) <= (uint) asc_dvc->max_total_qng) {
cur_free_qs = (uint) asc_dvc->max_total_qng - cur_used_qs;
if (asc_dvc->cur_dvc_qng[tid_no] >=
asc_dvc->max_dvc_qng[tid_no]) {
return 0;
}
return cur_free_qs;
}
if (n_qs > 1) {
if ((n_qs > asc_dvc->last_q_shortage)
&& (n_qs <= (asc_dvc->max_total_qng - ASC_MIN_FREE_Q))) {
asc_dvc->last_q_shortage = n_qs;
}
}
return 0;
}
static uchar AscAllocFreeQueue(PortAddr iop_base, uchar free_q_head)
{
ushort q_addr;
uchar next_qp;
uchar q_status;
q_addr = ASC_QNO_TO_QADDR(free_q_head);
q_status = (uchar)AscReadLramByte(iop_base,
(ushort)(q_addr +
ASC_SCSIQ_B_STATUS));
next_qp = AscReadLramByte(iop_base, (ushort)(q_addr + ASC_SCSIQ_B_FWD));
if (((q_status & QS_READY) == 0) && (next_qp != ASC_QLINK_END))
return next_qp;
return ASC_QLINK_END;
}
static uchar
AscAllocMultipleFreeQueue(PortAddr iop_base, uchar free_q_head, uchar n_free_q)
{
uchar i;
for (i = 0; i < n_free_q; i++) {
free_q_head = AscAllocFreeQueue(iop_base, free_q_head);
if (free_q_head == ASC_QLINK_END)
break;
}
return free_q_head;
}
static void
DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words)
{
int i;
ASC_DBG_PRT_HEX(2, "DvcPutScsiQ", outbuf, 2 * words);
AscSetChipLramAddr(iop_base, s_addr);
for (i = 0; i < 2 * words; i += 2) {
if (i == 4 || i == 20) {
continue;
}
outpw(iop_base + IOP_RAM_DATA,
((ushort)outbuf[i + 1] << 8) | outbuf[i]);
}
}
static int AscPutReadyQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
{
ushort q_addr;
uchar tid_no;
uchar sdtr_data;
uchar syn_period_ix;
uchar syn_offset;
PortAddr iop_base;
iop_base = asc_dvc->iop_base;
if (((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) &&
((asc_dvc->sdtr_done & scsiq->q1.target_id) == 0)) {
tid_no = ASC_TIX_TO_TID(scsiq->q2.target_ix);
sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
syn_period_ix =
(sdtr_data >> 4) & (asc_dvc->max_sdtr_index - 1);
syn_offset = sdtr_data & ASC_SYN_MAX_OFFSET;
AscMsgOutSDTR(asc_dvc,
asc_dvc->sdtr_period_tbl[syn_period_ix],
syn_offset);
scsiq->q1.cntl |= QC_MSG_OUT;
}
q_addr = ASC_QNO_TO_QADDR(q_no);
if ((scsiq->q1.target_id & asc_dvc->use_tagged_qng) == 0) {
scsiq->q2.tag_code &= ~SIMPLE_QUEUE_TAG;
}
scsiq->q1.status = QS_FREE;
AscMemWordCopyPtrToLram(iop_base,
q_addr + ASC_SCSIQ_CDB_BEG,
(uchar *)scsiq->cdbptr, scsiq->q2.cdb_len >> 1);
DvcPutScsiQ(iop_base,
q_addr + ASC_SCSIQ_CPY_BEG,
(uchar *)&scsiq->q1.cntl,
((sizeof(ASC_SCSIQ_1) + sizeof(ASC_SCSIQ_2)) / 2) - 1);
AscWriteLramWord(iop_base,
(ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS),
(ushort)(((ushort)scsiq->q1.
q_no << 8) | (ushort)QS_READY));
return 1;
}
static int
AscPutReadySgListQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
{
int sta;
int i;
ASC_SG_HEAD *sg_head;
ASC_SG_LIST_Q scsi_sg_q;
__le32 saved_data_addr;
__le32 saved_data_cnt;
PortAddr iop_base;
ushort sg_list_dwords;
ushort sg_index;
ushort sg_entry_cnt;
ushort q_addr;
uchar next_qp;
iop_base = asc_dvc->iop_base;
sg_head = scsiq->sg_head;
saved_data_addr = scsiq->q1.data_addr;
saved_data_cnt = scsiq->q1.data_cnt;
scsiq->q1.data_addr = cpu_to_le32(sg_head->sg_list[0].addr);
scsiq->q1.data_cnt = cpu_to_le32(sg_head->sg_list[0].bytes);
sg_entry_cnt = sg_head->entry_cnt - 1;
if (sg_entry_cnt != 0) {
scsiq->q1.cntl |= QC_SG_HEAD;
q_addr = ASC_QNO_TO_QADDR(q_no);
sg_index = 1;
scsiq->q1.sg_queue_cnt = sg_head->queue_cnt;
scsi_sg_q.sg_head_qp = q_no;
scsi_sg_q.cntl = QCSG_SG_XFER_LIST;
for (i = 0; i < sg_head->queue_cnt; i++) {
scsi_sg_q.seq_no = i + 1;
if (sg_entry_cnt > ASC_SG_LIST_PER_Q) {
sg_list_dwords = (uchar)(ASC_SG_LIST_PER_Q * 2);
sg_entry_cnt -= ASC_SG_LIST_PER_Q;
if (i == 0) {
scsi_sg_q.sg_list_cnt =
ASC_SG_LIST_PER_Q;
scsi_sg_q.sg_cur_list_cnt =
ASC_SG_LIST_PER_Q;
} else {
scsi_sg_q.sg_list_cnt =
ASC_SG_LIST_PER_Q - 1;
scsi_sg_q.sg_cur_list_cnt =
ASC_SG_LIST_PER_Q - 1;
}
} else {
scsi_sg_q.cntl |= QCSG_SG_XFER_END;
sg_list_dwords = sg_entry_cnt << 1;
if (i == 0) {
scsi_sg_q.sg_list_cnt = sg_entry_cnt;
scsi_sg_q.sg_cur_list_cnt =
sg_entry_cnt;
} else {
scsi_sg_q.sg_list_cnt =
sg_entry_cnt - 1;
scsi_sg_q.sg_cur_list_cnt =
sg_entry_cnt - 1;
}
sg_entry_cnt = 0;
}
next_qp = AscReadLramByte(iop_base,
(ushort)(q_addr +
ASC_SCSIQ_B_FWD));
scsi_sg_q.q_no = next_qp;
q_addr = ASC_QNO_TO_QADDR(next_qp);
AscMemWordCopyPtrToLram(iop_base,
q_addr + ASC_SCSIQ_SGHD_CPY_BEG,
(uchar *)&scsi_sg_q,
sizeof(ASC_SG_LIST_Q) >> 1);
AscMemDWordCopyPtrToLram(iop_base,
q_addr + ASC_SGQ_LIST_BEG,
(uchar *)&sg_head->
sg_list[sg_index],
sg_list_dwords);
sg_index += ASC_SG_LIST_PER_Q;
scsiq->next_sg_index = sg_index;
}
} else {
scsiq->q1.cntl &= ~QC_SG_HEAD;
}
sta = AscPutReadyQueue(asc_dvc, scsiq, q_no);
scsiq->q1.data_addr = saved_data_addr;
scsiq->q1.data_cnt = saved_data_cnt;
return (sta);
}
static int
AscSendScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar n_q_required)
{
PortAddr iop_base;
uchar free_q_head;
uchar next_qp;
uchar tid_no;
uchar target_ix;
int sta;
iop_base = asc_dvc->iop_base;
target_ix = scsiq->q2.target_ix;
tid_no = ASC_TIX_TO_TID(target_ix);
sta = 0;
free_q_head = (uchar)AscGetVarFreeQHead(iop_base);
if (n_q_required > 1) {
next_qp = AscAllocMultipleFreeQueue(iop_base, free_q_head,
(uchar)n_q_required);
if (next_qp != ASC_QLINK_END) {
asc_dvc->last_q_shortage = 0;
scsiq->sg_head->queue_cnt = n_q_required - 1;
scsiq->q1.q_no = free_q_head;
sta = AscPutReadySgListQueue(asc_dvc, scsiq,
free_q_head);
}
} else if (n_q_required == 1) {
next_qp = AscAllocFreeQueue(iop_base, free_q_head);
if (next_qp != ASC_QLINK_END) {
scsiq->q1.q_no = free_q_head;
sta = AscPutReadyQueue(asc_dvc, scsiq, free_q_head);
}
}
if (sta == 1) {
AscPutVarFreeQHead(iop_base, next_qp);
asc_dvc->cur_total_qng += n_q_required;
asc_dvc->cur_dvc_qng[tid_no]++;
}
return sta;
}
#define ASC_SYN_OFFSET_ONE_DISABLE_LIST 16
static uchar _syn_offset_one_disable_cmd[ASC_SYN_OFFSET_ONE_DISABLE_LIST] = {
INQUIRY,
REQUEST_SENSE,
READ_CAPACITY,
READ_TOC,
MODE_SELECT,
MODE_SENSE,
MODE_SELECT_10,
MODE_SENSE_10,
0xFF,
0xFF,
0xFF,
0xFF,
0xFF,
0xFF,
0xFF,
0xFF
};
static int AscExeScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq)
{
PortAddr iop_base;
int sta;
int n_q_required;
bool disable_syn_offset_one_fix;
int i;
u32 addr;
ushort sg_entry_cnt = 0;
ushort sg_entry_cnt_minus_one = 0;
uchar target_ix;
uchar tid_no;
uchar sdtr_data;
uchar extra_bytes;
uchar scsi_cmd;
uchar disable_cmd;
ASC_SG_HEAD *sg_head;
unsigned long data_cnt;
iop_base = asc_dvc->iop_base;
sg_head = scsiq->sg_head;
if (asc_dvc->err_code != 0)
return ASC_ERROR;
scsiq->q1.q_no = 0;
if ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) == 0) {
scsiq->q1.extra_bytes = 0;
}
sta = 0;
target_ix = scsiq->q2.target_ix;
tid_no = ASC_TIX_TO_TID(target_ix);
n_q_required = 1;
if (scsiq->cdbptr[0] == REQUEST_SENSE) {
if ((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) {
asc_dvc->sdtr_done &= ~scsiq->q1.target_id;
sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
AscMsgOutSDTR(asc_dvc,
asc_dvc->
sdtr_period_tbl[(sdtr_data >> 4) &
(uchar)(asc_dvc->
max_sdtr_index -
1)],
(uchar)(sdtr_data & (uchar)
ASC_SYN_MAX_OFFSET));
scsiq->q1.cntl |= (QC_MSG_OUT | QC_URGENT);
}
}
if (asc_dvc->in_critical_cnt != 0) {
AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CRITICAL_RE_ENTRY);
return ASC_ERROR;
}
asc_dvc->in_critical_cnt++;
if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
if ((sg_entry_cnt = sg_head->entry_cnt) == 0) {
asc_dvc->in_critical_cnt--;
return ASC_ERROR;
}
if (sg_entry_cnt > ASC_MAX_SG_LIST) {
asc_dvc->in_critical_cnt--;
return ASC_ERROR;
}
if (sg_entry_cnt == 1) {
scsiq->q1.data_addr = cpu_to_le32(sg_head->sg_list[0].addr);
scsiq->q1.data_cnt = cpu_to_le32(sg_head->sg_list[0].bytes);
scsiq->q1.cntl &= ~(QC_SG_HEAD | QC_SG_SWAP_QUEUE);
}
sg_entry_cnt_minus_one = sg_entry_cnt - 1;
}
scsi_cmd = scsiq->cdbptr[0];
disable_syn_offset_one_fix = false;
if ((asc_dvc->pci_fix_asyn_xfer & scsiq->q1.target_id) &&
!(asc_dvc->pci_fix_asyn_xfer_always & scsiq->q1.target_id)) {
if (scsiq->q1.cntl & QC_SG_HEAD) {
data_cnt = 0;
for (i = 0; i < sg_entry_cnt; i++) {
data_cnt += le32_to_cpu(sg_head->sg_list[i].
bytes);
}
} else {
data_cnt = le32_to_cpu(scsiq->q1.data_cnt);
}
if (data_cnt != 0UL) {
if (data_cnt < 512UL) {
disable_syn_offset_one_fix = true;
} else {
for (i = 0; i < ASC_SYN_OFFSET_ONE_DISABLE_LIST;
i++) {
disable_cmd =
_syn_offset_one_disable_cmd[i];
if (disable_cmd == 0xFF) {
break;
}
if (scsi_cmd == disable_cmd) {
disable_syn_offset_one_fix =
true;
break;
}
}
}
}
}
if (disable_syn_offset_one_fix) {
scsiq->q2.tag_code &= ~SIMPLE_QUEUE_TAG;
scsiq->q2.tag_code |= (ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX |
ASC_TAG_FLAG_DISABLE_DISCONNECT);
} else {
scsiq->q2.tag_code &= 0x27;
}
if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
if (asc_dvc->bug_fix_cntl) {
if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) {
if ((scsi_cmd == READ_6) ||
(scsi_cmd == READ_10)) {
addr = le32_to_cpu(sg_head->
sg_list
[sg_entry_cnt_minus_one].
addr) +
le32_to_cpu(sg_head->
sg_list
[sg_entry_cnt_minus_one].