2 * Copyright (c) 2010 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include "sdio_host.h"
22 #define SDIOH_API_RC_SUCCESS (0x00)
23 #define SDIOH_API_RC_FAIL (0x01)
24 #define SDIOH_API_SUCCESS(status) (status == 0)
26 #define SDIOH_READ 0 /* Read request */
27 #define SDIOH_WRITE 1 /* Write request */
29 #define SDIOH_DATA_FIX 0 /* Fixed addressing */
30 #define SDIOH_DATA_INC 1 /* Incremental addressing */
32 #define SDIOH_CMD_TYPE_NORMAL 0 /* Normal command */
33 #define SDIOH_CMD_TYPE_APPEND 1 /* Append command */
34 #define SDIOH_CMD_TYPE_CUTTHRU 2 /* Cut-through command */
36 #define SDIOH_DATA_PIO 0 /* PIO mode */
37 #define SDIOH_DATA_DMA 1 /* DMA mode */
39 /* callback function, taking one arg */
40 typedef void (*sdioh_cb_fn_t
) (void *);
42 /* attach, return handler on success, NULL if failed.
43 * The handler shall be provided by all subsequent calls. No local cache
44 * cfghdl points to the starting address of pci device mapped memory
46 extern struct sdioh_info
*brcmf_sdioh_attach(void *cfghdl
, uint irq
);
47 extern int brcmf_sdioh_detach(struct sdioh_info
*si
);
48 extern int brcmf_sdioh_interrupt_register(struct sdioh_info
*si
,
49 sdioh_cb_fn_t fn
, void *argh
);
50 extern int brcmf_sdioh_interrupt_deregister(struct sdioh_info
*si
);
52 /* query whether SD interrupt is enabled or not */
54 brcmf_sdioh_interrupt_query(struct sdioh_info
*si
, bool *onoff
);
56 /* enable or disable SD interrupt */
58 brcmf_sdioh_interrupt_set(struct sdioh_info
*si
, bool enable_disable
);
61 extern bool brcmf_sdioh_interrupt_pending(struct sdioh_info
*si
);
64 extern int brcmf_sdioh_claim_host_and_lock(struct sdioh_info
*si
);
65 extern int brcmf_sdioh_release_host_and_unlock(struct sdioh_info
*si
);
67 /* read or write one byte using cmd52 */
69 brcmf_sdioh_request_byte(struct sdioh_info
*si
, uint rw
, uint fnc
, uint addr
,
72 /* read or write 2/4 bytes using cmd53 */
74 brcmf_sdioh_request_word(struct sdioh_info
*si
, uint cmd_type
,
75 uint rw
, uint fnc
, uint addr
,
76 u32
*word
, uint nbyte
);
78 /* read or write any buffer using cmd53 */
80 brcmf_sdioh_request_buffer(struct sdioh_info
*si
, uint pio_dma
,
81 uint fix_inc
, uint rw
, uint fnc_num
,
82 u32 addr
, uint regwidth
,
83 u32 buflen
, u8
*buffer
, struct sk_buff
*pkt
);
87 brcmf_sdioh_cis_read(struct sdioh_info
*si
, uint fuc
, u8
*cis
, u32 length
);
90 brcmf_sdioh_cfg_read(struct sdioh_info
*si
, uint fuc
, u32 addr
, u8
*data
);
92 brcmf_sdioh_cfg_write(struct sdioh_info
*si
, uint fuc
, u32 addr
, u8
*data
);
94 /* query number of io functions */
95 extern uint
brcmf_sdioh_query_iofnum(struct sdioh_info
*si
);
98 extern int brcmf_sdioh_iovar_op(struct sdioh_info
*si
, const char *name
,
99 void *params
, int plen
, void *arg
, int len
, bool set
);
101 /* Issue abort to the specified function and clear controller as needed */
102 extern int brcmf_sdioh_abort(struct sdioh_info
*si
, uint fnc
);
104 /* Start and Stop SDIO without re-enumerating the SD card. */
105 extern int brcmf_sdioh_start(struct sdioh_info
*si
, int stage
);
106 extern int brcmf_sdioh_stop(struct sdioh_info
*si
);
108 /* Reset and re-initialize the device */
109 extern int brcmf_sdioh_reset(struct sdioh_info
*si
);
111 /* Helper function */
112 void *brcmf_sdcard_get_sdioh(struct brcmf_sdio
*sdh
);
114 #endif /* _sdio_api_h_ */
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