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authorDavid Kilroy <kilroyd@googlemail.com>2010-05-01 17:05:38 +0400
committerJohn W. Linville <linville@tuxdriver.com>2010-05-03 22:53:06 +0400
commitb42f2074dedef559ecf72dce61a6501f9f9b273a (patch)
treed75bfd6c7e6db6fd5e81310b3326d2aad5829041 /drivers/net/wireless/orinoco/hermes.h
parentf7c65594f7148b778f41d591a701e94bb22428e4 (diff)
downloadlinux-b42f2074dedef559ecf72dce61a6501f9f9b273a.tar.xz
orinoco: add hermes_ops
Pave the way for introducing USB alternative functions. Force callers to dereference ops instead of providing wrappers. Signed-off-by: David Kilroy <kilroyd@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/orinoco/hermes.h')
-rw-r--r--drivers/net/wireless/orinoco/hermes.h50
1 files changed, 28 insertions, 22 deletions
diff --git a/drivers/net/wireless/orinoco/hermes.h b/drivers/net/wireless/orinoco/hermes.h
index 2dddbb597c4d..18b268c54dfe 100644
--- a/drivers/net/wireless/orinoco/hermes.h
+++ b/drivers/net/wireless/orinoco/hermes.h
@@ -374,6 +374,27 @@ struct hermes_multicast {
/* 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);
+};
+
/* Basic control structure */
typedef struct hermes {
void __iomem *iobase;
@@ -381,6 +402,7 @@ typedef struct hermes {
#define HERMES_16BIT_REGSPACING 0
#define HERMES_32BIT_REGSPACING 1
u16 inten; /* Which interrupts should be enabled? */
+ const struct hermes_ops *ops;
} hermes_t;
/* Register access convenience macros */
@@ -394,22 +416,6 @@ typedef struct hermes {
/* 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);
/* Inline functions */
@@ -426,13 +432,13 @@ static inline void hermes_set_irqmask(hermes_t *hw, u16 events)
static inline int hermes_enable_port(hermes_t *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)
{
- return hermes_docmd_wait(hw, HERMES_CMD_DISABLE | (port << 8),
+ return hw->ops->cmd_wait(hw, HERMES_CMD_DISABLE | (port << 8),
0, NULL);
}
@@ -440,7 +446,7 @@ static inline int hermes_disable_port(hermes_t *hw, int port)
* information frame in __orinoco_ev_info() */
static inline int hermes_inquire(hermes_t *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)
@@ -475,10 +481,10 @@ static inline void hermes_clear_words(struct hermes *hw, int off,
}
#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)
{