diff options
Diffstat (limited to 'drivers/net/wireless/orinoco/hermes.h')
| -rw-r--r-- | drivers/net/wireless/orinoco/hermes.h | 142 |
1 files changed, 84 insertions, 58 deletions
diff --git a/drivers/net/wireless/orinoco/hermes.h b/drivers/net/wireless/orinoco/hermes.h index 8b13c8fef3d..28a42448d32 100644 --- a/drivers/net/wireless/orinoco/hermes.h +++ b/drivers/net/wireless/orinoco/hermes.h @@ -15,7 +15,8 @@ * Copyright (C) 2000, David Gibson, Linuxcare Australia. * (C) Copyright David Gibson, IBM Corp. 2001-2003. * - * Portions taken from hfa384x.h, Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. + * Portions taken from hfa384x.h. + * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. * * This file distributed under the GPL, version 2. */ @@ -27,11 +28,11 @@ * * As a module of low level hardware access routines, there is no * locking. Users of this module should ensure that they serialize - * access to the hermes_t structure, and to the hardware + * access to the hermes structure, and to the hardware */ #include <linux/if_ether.h> -#include <asm/io.h> +#include <linux/io.h> /* * Limits and constants @@ -42,7 +43,7 @@ #define HERMES_BAP_DATALEN_MAX (4096) #define HERMES_BAP_OFFSET_MAX (4096) #define HERMES_PORTID_MAX (7) -#define HERMES_NUMPORTS_MAX (HERMES_PORTID_MAX+1) +#define HERMES_NUMPORTS_MAX (HERMES_PORTID_MAX + 1) #define HERMES_PDR_LEN_MAX (260) /* in bytes, from EK */ #define HERMES_PDA_RECS_MAX (200) /* a guess */ #define HERMES_PDA_LEN_MAX (1024) /* in bytes, from EK */ @@ -147,7 +148,7 @@ #define HERMES_CMD_WRITEMIF (0x0031) /*--- Debugging Commands -----------------------------*/ -#define HERMES_CMD_TEST (0x0038) +#define HERMES_CMD_TEST (0x0038) /* Test command arguments */ @@ -177,8 +178,8 @@ #define HERMES_DESCRIPTOR_OFFSET 0 #define HERMES_802_11_OFFSET (14) -#define HERMES_802_3_OFFSET (14+32) -#define HERMES_802_2_OFFSET (14+32+14) +#define HERMES_802_3_OFFSET (14 + 32) +#define HERMES_802_2_OFFSET (14 + 32 + 14) #define HERMES_TXCNTL2_OFFSET (HERMES_802_3_OFFSET - 2) #define HERMES_RXSTAT_ERR (0x0003) @@ -203,8 +204,8 @@ struct hermes_tx_descriptor { __le32 sw_support; u8 retry_count; u8 tx_rate; - __le16 tx_control; -} __attribute__ ((packed)); + __le16 tx_control; +} __packed; #define HERMES_TXSTAT_RETRYERR (0x0001) #define HERMES_TXSTAT_AGEDERR (0x0002) @@ -253,7 +254,7 @@ struct hermes_tallies_frame { /* Those last are probably not available in very old firmwares */ __le16 RxDiscards_WEPICVError; __le16 RxDiscards_WEPExcluded; -} __attribute__ ((packed)); +} __packed; /* Grabbed from wlan-ng - Thanks Mark... - Jean II * This is the result of a scan inquiry command */ @@ -270,7 +271,7 @@ struct prism2_scan_apinfo { u8 rates[10]; /* Bit rate supported */ __le16 proberesp_rate; /* Data rate of the response frame */ __le16 atim; /* ATIM window time, Kus (hostscan only) */ -} __attribute__ ((packed)); +} __packed; /* Same stuff for the Lucent/Agere card. * Thanks to h1kari <h1kari AT dachb0den.com> - Jean II */ @@ -284,7 +285,7 @@ struct agere_scan_apinfo { /* bits: 0-ess, 1-ibss, 4-privacy [wep] */ __le16 essid_len; /* ESSID length */ u8 essid[32]; /* ESSID of the network */ -} __attribute__ ((packed)); +} __packed; /* Moustafa: Scan structure for Symbol cards */ struct symbol_scan_apinfo { @@ -298,11 +299,11 @@ struct symbol_scan_apinfo { /* bits: 0-ess, 1-ibss, 4-privacy [wep] */ __le16 essid_len; /* ESSID length */ u8 essid[32]; /* ESSID of the network */ - __le16 rates[5]; /* Bit rate supported */ + __le16 rates[5]; /* Bit rate supported */ __le16 basic_rates; /* Basic rates bitmask */ u8 unknown2[6]; /* Always FF:FF:FF:FF:00:00 */ u8 unknown3[8]; /* Always 0, appeared in f/w 3.91-68 */ -} __attribute__ ((packed)); +} __packed; union hermes_scan_info { struct agere_scan_apinfo a; @@ -341,20 +342,20 @@ struct agere_ext_scan_info { __le64 timestamp; __le16 beacon_interval; __le16 capabilities; - u8 data[316]; -} __attribute__ ((packed)); + u8 data[0]; +} __packed; -#define HERMES_LINKSTATUS_NOT_CONNECTED (0x0000) +#define HERMES_LINKSTATUS_NOT_CONNECTED (0x0000) #define HERMES_LINKSTATUS_CONNECTED (0x0001) #define HERMES_LINKSTATUS_DISCONNECTED (0x0002) #define HERMES_LINKSTATUS_AP_CHANGE (0x0003) #define HERMES_LINKSTATUS_AP_OUT_OF_RANGE (0x0004) #define HERMES_LINKSTATUS_AP_IN_RANGE (0x0005) #define HERMES_LINKSTATUS_ASSOC_FAILED (0x0006) - + struct hermes_linkstatus { __le16 linkstatus; /* Link status */ -} __attribute__ ((packed)); +} __packed; struct hermes_response { u16 status, resp0, resp1, resp2; @@ -364,88 +365,109 @@ struct hermes_response { struct hermes_idstring { __le16 len; __le16 val[16]; -} __attribute__ ((packed)); +} __packed; struct hermes_multicast { u8 addr[HERMES_MAX_MULTICAST][ETH_ALEN]; -} __attribute__ ((packed)); +} __packed; /* Timeouts */ #define HERMES_BAP_BUSY_TIMEOUT (10000) /* In iterations of ~1us */ +struct hermes; + +/* Functions to access hardware */ +struct hermes_ops { + int (*init)(struct hermes *hw); + int (*cmd_wait)(struct hermes *hw, u16 cmd, u16 parm0, + struct hermes_response *resp); + int (*init_cmd_wait)(struct hermes *hw, u16 cmd, + u16 parm0, u16 parm1, u16 parm2, + struct hermes_response *resp); + int (*allocate)(struct hermes *hw, u16 size, u16 *fid); + int (*read_ltv)(struct hermes *hw, int bap, u16 rid, unsigned buflen, + u16 *length, void *buf); + int (*write_ltv)(struct hermes *hw, int bap, u16 rid, + u16 length, const void *value); + int (*bap_pread)(struct hermes *hw, int bap, void *buf, int len, + u16 id, u16 offset); + int (*bap_pwrite)(struct hermes *hw, int bap, const void *buf, + int len, u16 id, u16 offset); + int (*read_pda)(struct hermes *hw, __le16 *pda, + u32 pda_addr, u16 pda_len); + int (*program_init)(struct hermes *hw, u32 entry_point); + int (*program_end)(struct hermes *hw); + int (*program)(struct hermes *hw, const char *buf, + u32 addr, u32 len); + void (*lock_irqsave)(spinlock_t *lock, unsigned long *flags); + void (*unlock_irqrestore)(spinlock_t *lock, unsigned long *flags); + void (*lock_irq)(spinlock_t *lock); + void (*unlock_irq)(spinlock_t *lock); +}; + /* Basic control structure */ -typedef struct hermes { +struct hermes { void __iomem *iobase; int reg_spacing; #define HERMES_16BIT_REGSPACING 0 #define HERMES_32BIT_REGSPACING 1 u16 inten; /* Which interrupts should be enabled? */ -} hermes_t; + bool eeprom_pda; + const struct hermes_ops *ops; + void *priv; +}; /* Register access convenience macros */ #define hermes_read_reg(hw, off) \ - (ioread16((hw)->iobase + ( (off) << (hw)->reg_spacing ))) + (ioread16((hw)->iobase + ((off) << (hw)->reg_spacing))) #define hermes_write_reg(hw, off, val) \ (iowrite16((val), (hw)->iobase + ((off) << (hw)->reg_spacing))) #define hermes_read_regn(hw, name) hermes_read_reg((hw), HERMES_##name) -#define hermes_write_regn(hw, name, val) hermes_write_reg((hw), HERMES_##name, (val)) +#define hermes_write_regn(hw, name, val) \ + hermes_write_reg((hw), HERMES_##name, (val)) /* Function prototypes */ -void hermes_struct_init(hermes_t *hw, void __iomem *address, int reg_spacing); -int hermes_init(hermes_t *hw); -int hermes_docmd_wait(hermes_t *hw, u16 cmd, u16 parm0, - struct hermes_response *resp); -int hermes_doicmd_wait(hermes_t *hw, u16 cmd, - u16 parm0, u16 parm1, u16 parm2, - struct hermes_response *resp); -int hermes_allocate(hermes_t *hw, u16 size, u16 *fid); - -int hermes_bap_pread(hermes_t *hw, int bap, void *buf, int len, - u16 id, u16 offset); -int hermes_bap_pwrite(hermes_t *hw, int bap, const void *buf, int len, - u16 id, u16 offset); -int hermes_read_ltv(hermes_t *hw, int bap, u16 rid, unsigned buflen, - u16 *length, void *buf); -int hermes_write_ltv(hermes_t *hw, int bap, u16 rid, - u16 length, const void *value); +void hermes_struct_init(struct hermes *hw, void __iomem *address, + int reg_spacing); /* Inline functions */ -static inline int hermes_present(hermes_t *hw) +static inline int hermes_present(struct hermes *hw) { return hermes_read_regn(hw, SWSUPPORT0) == HERMES_MAGIC; } -static inline void hermes_set_irqmask(hermes_t *hw, u16 events) +static inline void hermes_set_irqmask(struct hermes *hw, u16 events) { hw->inten = events; hermes_write_regn(hw, INTEN, events); } -static inline int hermes_enable_port(hermes_t *hw, int port) +static inline int hermes_enable_port(struct hermes *hw, int port) { - return hermes_docmd_wait(hw, HERMES_CMD_ENABLE | (port << 8), + return hw->ops->cmd_wait(hw, HERMES_CMD_ENABLE | (port << 8), 0, NULL); } -static inline int hermes_disable_port(hermes_t *hw, int port) +static inline int hermes_disable_port(struct hermes *hw, int port) { - return hermes_docmd_wait(hw, HERMES_CMD_DISABLE | (port << 8), + return hw->ops->cmd_wait(hw, HERMES_CMD_DISABLE | (port << 8), 0, NULL); } /* Initiate an INQUIRE command (tallies or scan). The result will come as an * information frame in __orinoco_ev_info() */ -static inline int hermes_inquire(hermes_t *hw, u16 rid) +static inline int hermes_inquire(struct hermes *hw, u16 rid) { - return hermes_docmd_wait(hw, HERMES_CMD_INQUIRE, rid, NULL); + return hw->ops->cmd_wait(hw, HERMES_CMD_INQUIRE, rid, NULL); } -#define HERMES_BYTES_TO_RECLEN(n) ( (((n)+1)/2) + 1 ) -#define HERMES_RECLEN_TO_BYTES(n) ( ((n)-1) * 2 ) +#define HERMES_BYTES_TO_RECLEN(n) ((((n) + 1) / 2) + 1) +#define HERMES_RECLEN_TO_BYTES(n) (((n) - 1) * 2) /* Note that for the next two, the count is in 16-bit words, not bytes */ -static inline void hermes_read_words(struct hermes *hw, int off, void *buf, unsigned count) +static inline void hermes_read_words(struct hermes *hw, int off, + void *buf, unsigned count) { off = off << hw->reg_spacing; ioread16_rep(hw->iobase + off, buf, count); @@ -460,7 +482,8 @@ static inline void hermes_write_bytes(struct hermes *hw, int off, iowrite8(buf[count - 1], hw->iobase + off); } -static inline void hermes_clear_words(struct hermes *hw, int off, unsigned count) +static inline void hermes_clear_words(struct hermes *hw, int off, + unsigned count) { unsigned i; @@ -471,11 +494,13 @@ static inline void hermes_clear_words(struct hermes *hw, int off, unsigned count } #define HERMES_READ_RECORD(hw, bap, rid, buf) \ - (hermes_read_ltv((hw),(bap),(rid), sizeof(*buf), NULL, (buf))) + (hw->ops->read_ltv((hw), (bap), (rid), sizeof(*buf), NULL, (buf))) #define HERMES_WRITE_RECORD(hw, bap, rid, buf) \ - (hermes_write_ltv((hw),(bap),(rid),HERMES_BYTES_TO_RECLEN(sizeof(*buf)),(buf))) + (hw->ops->write_ltv((hw), (bap), (rid), \ + HERMES_BYTES_TO_RECLEN(sizeof(*buf)), (buf))) -static inline int hermes_read_wordrec(hermes_t *hw, int bap, u16 rid, u16 *word) +static inline int hermes_read_wordrec(struct hermes *hw, int bap, u16 rid, + u16 *word) { __le16 rec; int err; @@ -485,7 +510,8 @@ static inline int hermes_read_wordrec(hermes_t *hw, int bap, u16 rid, u16 *word) return err; } -static inline int hermes_write_wordrec(hermes_t *hw, int bap, u16 rid, u16 word) +static inline int hermes_write_wordrec(struct hermes *hw, int bap, u16 rid, + u16 word) { __le16 rec = cpu_to_le16(word); return HERMES_WRITE_RECORD(hw, bap, rid, &rec); |