tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// Driver for USB Mass Storage compliant devices
2
3#ifndef _USB_H_
4#define _USB_H_
5
6#include <linux/usb.h>
7#include <linux/usb_usual.h>
8#include <linux/blkdev.h>
9#include <linux/completion.h>
10#include <linux/mutex.h>
11#include <scsi/scsi_host.h>
12#include "common.h"
13
14struct us_data;
15struct scsi_cmnd;
16
17/*
18 * Unusual device list definitions
19 */
20
21struct us_unusual_dev {
22 const char* vendorName;
23 const char* productName;
24 __u8 useProtocol;
25 __u8 useTransport;
26 int (*initFunction)(struct us_data *);
27};
28
29//EnE HW Register
30#define REG_CARD_STATUS 0xFF83
31#define REG_HW_TRAP1 0xFF89
32
33// SRB Status. Refers /usr/include/wine/wine/wnaspi32.h & SCSI sense key
34#define SS_SUCCESS 0x00 // No Sense
35#define SS_NOT_READY 0x02
36#define SS_MEDIUM_ERR 0x03
37#define SS_HW_ERR 0x04
38#define SS_ILLEGAL_REQUEST 0x05
39#define SS_UNIT_ATTENTION 0x06
40
41//ENE Load FW Pattern
42#define SD_INIT1_PATTERN 1
43#define SD_INIT2_PATTERN 2
44#define SD_RW_PATTERN 3
45#define MS_INIT_PATTERN 4
46#define MSP_RW_PATTERN 5
47#define MS_RW_PATTERN 6
48#define SM_INIT_PATTERN 7
49#define SM_RW_PATTERN 8
50
51#define FDIR_WRITE 0
52#define FDIR_READ 1
53
54typedef struct _SD_STATUS {
55 BYTE Insert:1;
56 BYTE Ready:1;
57 BYTE MediaChange:1;
58 BYTE IsMMC:1;
59 BYTE HiCapacity:1;
60 BYTE HiSpeed:1;
61 BYTE WtP:1;
62 BYTE Reserved:1;
63} SD_STATUS, *PSD_STATUS;
64
65typedef struct _MS_STATUS {
66 BYTE Insert:1;
67 BYTE Ready:1;
68 BYTE MediaChange:1;
69 BYTE IsMSPro:1;
70 BYTE IsMSPHG:1;
71 BYTE Reserved1:1;
72 BYTE WtP:1;
73 BYTE Reserved2:1;
74} MS_STATUS, *PMS_STATUS;
75
76typedef struct _SM_STATUS {
77 BYTE Insert:1;
78 BYTE Ready:1;
79 BYTE MediaChange:1;
80 BYTE Reserved:3;
81 BYTE WtP:1;
82 BYTE IsMS:1;
83} SM_STATUS, *PSM_STATUS;
84
85// SD Block Length
86#define SD_BLOCK_LEN 9 // 2^9 = 512 Bytes, The HW maximum read/write data length
87
88/* Dynamic bitflag definitions (us->dflags): used in set_bit() etc. */
89#define US_FLIDX_URB_ACTIVE 0 /* current_urb is in use */
90#define US_FLIDX_SG_ACTIVE 1 /* current_sg is in use */
91#define US_FLIDX_ABORTING 2 /* abort is in progress */
92#define US_FLIDX_DISCONNECTING 3 /* disconnect in progress */
93#define US_FLIDX_RESETTING 4 /* device reset in progress */
94#define US_FLIDX_TIMED_OUT 5 /* SCSI midlayer timed out */
95#define US_FLIDX_DONT_SCAN 6 /* don't scan (disconnect) */
96
97
98#define USB_STOR_STRING_LEN 32
99
100/*
101 * We provide a DMA-mapped I/O buffer for use with small USB transfers.
102 * It turns out that CB[I] needs a 12-byte buffer and Bulk-only needs a
103 * 31-byte buffer. But Freecom needs a 64-byte buffer, so that's the
104 * size we'll allocate.
105 */
106
107#define US_IOBUF_SIZE 64 /* Size of the DMA-mapped I/O buffer */
108#define US_SENSE_SIZE 18 /* Size of the autosense data buffer */
109
110typedef int (*trans_cmnd)(struct scsi_cmnd *, struct us_data*);
111typedef int (*trans_reset)(struct us_data*);
112typedef void (*proto_cmnd)(struct scsi_cmnd*, struct us_data*);
113typedef void (*extra_data_destructor)(void *); /* extra data destructor */
114typedef void (*pm_hook)(struct us_data *, int); /* power management hook */
115
116#define US_SUSPEND 0
117#define US_RESUME 1
118
119/* we allocate one of these for every device that we remember */
120struct us_data {
121 /* The device we're working with
122 * It's important to note:
123 * (o) you must hold dev_mutex to change pusb_dev
124 */
125 struct mutex dev_mutex; /* protect pusb_dev */
126 struct usb_device *pusb_dev; /* this usb_device */
127 struct usb_interface *pusb_intf; /* this interface */
128 struct us_unusual_dev *unusual_dev; /* device-filter entry */
129 unsigned long fflags; /* fixed flags from filter */
130 unsigned long dflags; /* dynamic atomic bitflags */
131 unsigned int send_bulk_pipe; /* cached pipe values */
132 unsigned int recv_bulk_pipe;
133 unsigned int send_ctrl_pipe;
134 unsigned int recv_ctrl_pipe;
135 unsigned int recv_intr_pipe;
136
137 /* information about the device */
138 char *transport_name;
139 char *protocol_name;
140 __le32 bcs_signature;
141 u8 subclass;
142 u8 protocol;
143 u8 max_lun;
144
145 u8 ifnum; /* interface number */
146 u8 ep_bInterval; /* interrupt interval */
147
148 /* function pointers for this device */
149 trans_cmnd transport; /* transport function */
150 trans_reset transport_reset; /* transport device reset */
151 proto_cmnd proto_handler; /* protocol handler */
152
153 /* SCSI interfaces */
154 struct scsi_cmnd *srb; /* current srb */
155 unsigned int tag; /* current dCBWTag */
156
157 /* control and bulk communications data */
158 struct urb *current_urb; /* USB requests */
159 struct usb_ctrlrequest *cr; /* control requests */
160 struct usb_sg_request current_sg; /* scatter-gather req. */
161 unsigned char *iobuf; /* I/O buffer */
162 unsigned char *sensebuf; /* sense data buffer */
163 dma_addr_t cr_dma; /* buffer DMA addresses */
164 dma_addr_t iobuf_dma;
165 struct task_struct *ctl_thread; /* the control thread */
166
167 /* mutual exclusion and synchronization structures */
168 struct completion cmnd_ready; /* to sleep thread on */
169 struct completion notify; /* thread begin/end */
170 wait_queue_head_t delay_wait; /* wait during scan, reset */
171 struct completion scanning_done; /* wait for scan thread */
172
173 /* subdriver information */
174 void *extra; /* Any extra data */
175 extra_data_destructor extra_destructor;/* extra data destructor */
176#ifdef CONFIG_PM
177 pm_hook suspend_resume_hook;
178#endif
179 // for 6250 code
180 SD_STATUS SD_Status;
181 MS_STATUS MS_Status;
182 SM_STATUS SM_Status;
183
184 //----- SD Control Data ----------------
185 //SD_REGISTER SD_Regs;
186 WORD SD_Block_Mult;
187 BYTE SD_READ_BL_LEN;
188 WORD SD_C_SIZE;
189 BYTE SD_C_SIZE_MULT;
190
191 // SD/MMC New spec.
192 BYTE SD_SPEC_VER;
193 BYTE SD_CSD_VER;
194 BYTE SD20_HIGH_CAPACITY;
195 DWORD HC_C_SIZE;
196 BYTE MMC_SPEC_VER;
197 BYTE MMC_BusWidth;
198 BYTE MMC_HIGH_CAPACITY;
199
200 //----- MS Control Data ----------------
201 BOOLEAN MS_SWWP;
202 DWORD MSP_TotalBlock;
203 /* MS_LibControl MS_Lib; */
204 BOOLEAN MS_IsRWPage;
205 WORD MS_Model;
206
207 //----- SM Control Data ----------------
208 BYTE SM_DeviceID;
209 BYTE SM_CardID;
210
211 PBYTE testbuf;
212 BYTE BIN_FLAG;
213 DWORD bl_num;
214 int SrbStatus;
215
216 //------Power Managerment ---------------
217 BOOLEAN Power_IsResum;
218};
219
220/* Convert between us_data and the corresponding Scsi_Host */
221static inline struct Scsi_Host *us_to_host(struct us_data *us) {
222 return container_of((void *) us, struct Scsi_Host, hostdata);
223}
224static inline struct us_data *host_to_us(struct Scsi_Host *host) {
225 return (struct us_data *) host->hostdata;
226}
227
228/* Function to fill an inquiry response. See usb.c for details */
229extern void fill_inquiry_response(struct us_data *us,
230 unsigned char *data, unsigned int data_len);
231
232/* The scsi_lock() and scsi_unlock() macros protect the sm_state and the
233 * single queue element srb for write access */
234#define scsi_unlock(host) spin_unlock_irq(host->host_lock)
235#define scsi_lock(host) spin_lock_irq(host->host_lock)
236
237#endif