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Diffstat (limited to 'include/asm-ia64/sn/ksys/elsc.h')
| -rw-r--r-- | include/asm-ia64/sn/ksys/elsc.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/include/asm-ia64/sn/ksys/elsc.h b/include/asm-ia64/sn/ksys/elsc.h new file mode 100644 index 000000000..5d553e63a --- /dev/null +++ b/include/asm-ia64/sn/ksys/elsc.h @@ -0,0 +1,163 @@ +/* $Id$ + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1992 - 1997, 2000 Silicon Graphics, Inc. + * Copyright (C) 2000 by Colin Ngam + */ +#ifndef _ASM_SN_KSYS_ELSC_H +#define _ASM_SN_KSYS_ELSC_H + +#include <linux/config.h> +#if defined(CONFIG_IA64_SGI_SN1) || defined(CONFIG_IA64_GENERIC) +#include <asm/sn/ksys/l1.h> +#endif + +// #include <asm/sn/ksys/i2c.h> + +#define ELSC_I2C_ADDR 0x08 +#define ELSC_I2C_HUB0 0x09 +#define ELSC_I2C_HUB1 0x0a +#define ELSC_I2C_HUB2 0x0b +#define ELSC_I2C_HUB3 0x0c + +#define ELSC_PACKET_MAX 96 +#define ELSC_ACP_MAX 86 /* 84+cr+lf */ +#define ELSC_LINE_MAX (ELSC_ACP_MAX - 2) + +/* + * ELSC character queue type for I/O + */ + +#define ELSC_QSIZE 128 /* Power of 2 is more efficient */ + +typedef sc_cq_t elsc_cq_t; + +/* + * ELSC structure passed around as handle + */ + +typedef l1sc_t elsc_t; + +void elsc_init(elsc_t *e, nasid_t nasid); + +int elsc_process(elsc_t *e); +int elsc_msg_check(elsc_t *e, char *msg, int msg_max); +int elsc_msg_callback(elsc_t *e, + void (*callback)(void *callback_data, char *msg), + void *callback_data); +#if 0 +char *elsc_errmsg(int code); + +int elsc_nvram_write(elsc_t *e, int addr, char *buf, int len); +int elsc_nvram_read(elsc_t *e, int addr, char *buf, int len); +int elsc_nvram_magic(elsc_t *e); +#endif + +int elsc_command(elsc_t *e, int only_if_message); +int elsc_parse(elsc_t *e, char *p1, char *p2, char *p3); +int elsc_ust_write(elsc_t *e, uchar_t c); +int elsc_ust_read(elsc_t *e, char *c); + + + +/* + * System controller commands + */ + +int elsc_version(elsc_t *e, char *result); +#if 0 +int elsc_debug_set(elsc_t *e, u_char byte1, u_char byte2); +int elsc_debug_get(elsc_t *e, u_char *byte1, u_char *byte2); +#endif +int elsc_module_set(elsc_t *e, int module); +int elsc_module_get(elsc_t *e); +int elsc_partition_set(elsc_t *e, int partition); +int elsc_partition_get(elsc_t *e); +int elsc_domain_set(elsc_t *e, int domain); +int elsc_domain_get(elsc_t *e); +int elsc_cluster_set(elsc_t *e, int cluster); +int elsc_cluster_get(elsc_t *e); +int elsc_cell_set(elsc_t *e, int cell); +int elsc_cell_get(elsc_t *e); +int elsc_bist_set(elsc_t *e, char bist_status); +char elsc_bist_get(elsc_t *e); +int elsc_lock(elsc_t *e, + int retry_interval_usec, + int timeout_usec, u_char lock_val); +int elsc_unlock(elsc_t *e); +int elsc_display_char(elsc_t *e, int led, int chr); +int elsc_display_digit(elsc_t *e, int led, int num, int l_case); +#if 0 +int elsc_display_mesg(elsc_t *e, char *chr); /* 8-char input */ +int elsc_password_set(elsc_t *e, char *password); /* 4-char input */ +int elsc_password_get(elsc_t *e, char *password); /* 4-char output */ +int elsc_rpwr_query(elsc_t *e, int is_master); +int elsc_power_query(elsc_t *e); +int elsc_power_down(elsc_t *e, int sec); +int elsc_power_cycle(elsc_t *e); +int elsc_system_reset(elsc_t *e); +int elsc_dip_switches(elsc_t *e); +int elsc_nic_get(elsc_t *e, uint64_t *nic, int verbose); +#endif + +int _elsc_hbt(elsc_t *e, int ival, int rdly); + +#define elsc_hbt_enable(e, ival, rdly) _elsc_hbt(e, ival, rdly) +#define elsc_hbt_disable(e) _elsc_hbt(e, 0, 0) +#define elsc_hbt_send(e) _elsc_hbt(e, 0, 1) + +/* + * Routines for using the ELSC as a UART. There's a version of each + * routine that takes a pointer to an elsc_t, and another version that + * gets the pointer by calling a user-supplied global routine "get_elsc". + * The latter version is useful when the elsc is employed for stdio. + */ + +#define ELSCUART_FLASH 0x3c /* LED pattern */ + +elsc_t *get_elsc(void); + +int elscuart_probe(void); +void elscuart_init(void *); +int elscuart_poll(void); +int elscuart_readc(void); +int elscuart_getc(void); +int elscuart_putc(int); +int elscuart_puts(char *); +char *elscuart_gets(char *, int); +int elscuart_flush(void); + + + +/* + * Error codes + * + * The possible ELSC error codes are a superset of the I2C error codes, + * so ELSC error codes begin at -100. + */ + +#define ELSC_ERROR_NONE 0 + +#define ELSC_ERROR_CMD_SEND -100 /* Error sending command */ +#define ELSC_ERROR_CMD_CHECKSUM -101 /* Command checksum bad */ +#define ELSC_ERROR_CMD_UNKNOWN -102 /* Unknown command */ +#define ELSC_ERROR_CMD_ARGS -103 /* Invalid argument(s) */ +#define ELSC_ERROR_CMD_PERM -104 /* Permission denied */ +#define ELSC_ERROR_CMD_STATE -105 /* not allowed in this state*/ + +#define ELSC_ERROR_RESP_TIMEOUT -110 /* ELSC response timeout */ +#define ELSC_ERROR_RESP_CHECKSUM -111 /* Response checksum bad */ +#define ELSC_ERROR_RESP_FORMAT -112 /* Response format error */ +#define ELSC_ERROR_RESP_DIR -113 /* Response direction error */ + +#define ELSC_ERROR_MSG_LOST -120 /* Queue full; msg. lost */ +#define ELSC_ERROR_LOCK_TIMEOUT -121 /* ELSC response timeout */ +#define ELSC_ERROR_DATA_SEND -122 /* Error sending data */ +#define ELSC_ERROR_NIC -123 /* NIC processing error */ +#define ELSC_ERROR_NVMAGIC -124 /* Bad magic no. in NVRAM */ +#define ELSC_ERROR_MODULE -125 /* Moduleid processing err */ + +#endif /* _ASM_SN_KSYS_ELSC_H */ |