aboutsummaryrefslogtreecommitdiff
path: root/drivers/usb/serial/ti_usb_3410_5052.h
blob: a41c4d5ae0dd2e3e5a4322abfa6f594e8cbc161b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/* vi: ts=8 sw=8
 *
 * TI 3410/5052 USB Serial Driver Header
 *
 * Copyright (C) 2004 Texas Instruments
 *
 * This driver is based on the Linux io_ti driver, which is
 *   Copyright (C) 2000-2002 Inside Out Networks
 *   Copyright (C) 2001-2002 Greg Kroah-Hartman
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * For questions or problems with this driver, contact Texas Instruments
 * technical support, or Al Borchers <alborchers@steinerpoint.com>, or
 * Peter Berger <pberger@brimson.com>.
 */

#ifndef _TI_3410_5052_H_
#define _TI_3410_5052_H_

/* Configuration ids */
#define TI_BOOT_CONFIG			1
#define TI_ACTIVE_CONFIG		2

/* Vendor and product ids */
#define TI_VENDOR_ID			0x0451
#define IBM_VENDOR_ID			0x04b3
#define TI_3410_PRODUCT_ID		0x3410
#define IBM_4543_PRODUCT_ID		0x4543
#define TI_3410_EZ430_ID		0xF430  /* TI ez430 development tool */
#define TI_5052_BOOT_PRODUCT_ID		0x5052	/* no EEPROM, no firmware */
#define TI_5152_BOOT_PRODUCT_ID		0x5152	/* no EEPROM, no firmware */
#define TI_5052_EEPROM_PRODUCT_ID	0x505A	/* EEPROM, no firmware */
#define TI_5052_FIRMWARE_PRODUCT_ID	0x505F	/* firmware is running */

/* Commands */
#define TI_GET_VERSION			0x01
#define TI_GET_PORT_STATUS		0x02
#define TI_GET_PORT_DEV_INFO		0x03
#define TI_GET_CONFIG			0x04
#define TI_SET_CONFIG			0x05
#define TI_OPEN_PORT			0x06
#define TI_CLOSE_PORT			0x07
#define TI_START_PORT			0x08
#define TI_STOP_PORT			0x09
#define TI_TEST_PORT			0x0A
#define TI_PURGE_PORT			0x0B
#define TI_RESET_EXT_DEVICE		0x0C
#define TI_WRITE_DATA			0x80
#define TI_READ_DATA			0x81
#define TI_REQ_TYPE_CLASS		0x82

/* Module identifiers */
#define TI_I2C_PORT			0x01
#define TI_IEEE1284_PORT		0x02
#define TI_UART1_PORT			0x03
#define TI_UART2_PORT			0x04
#define TI_RAM_PORT			0x05

/* Modem status */
#define TI_MSR_DELTA_CTS		0x01
#define TI_MSR_DELTA_DSR		0x02
#define TI_MSR_DELTA_RI			0x04
#define TI_MSR_DELTA_CD			0x08
#define TI_MSR_CTS			0x10
#define TI_MSR_DSR			0x20
#define TI_MSR_RI			0x40
#define TI_MSR_CD			0x80
#define TI_MSR_DELTA_MASK		0x0F
#define TI_MSR_MASK			0xF0

/* Line status */
#define TI_LSR_OVERRUN_ERROR		0x01
#define TI_LSR_PARITY_ERROR		0x02
#define TI_LSR_FRAMING_ERROR		0x04
#define TI_LSR_BREAK			0x08
#define TI_LSR_ERROR			0x0F
#define TI_LSR_RX_FULL			0x10
#define TI_LSR_TX_EMPTY			0x20

/* Line control */
#define TI_LCR_BREAK			0x40

/* Modem control */
#define TI_MCR_LOOP			0x04
#define TI_MCR_DTR			0x10
#define TI_MCR_RTS			0x20

/* Mask settings */
#define TI_UART_ENABLE_RTS_IN		0x0001
#define TI_UART_DISABLE_RTS		0x0002
#define TI_UART_ENABLE_PARITY_CHECKING	0x0008
#define TI_UART_ENABLE_DSR_OUT		0x0010
#define TI_UART_ENABLE_CTS_OUT		0x0020
#define TI_UART_ENABLE_X_OUT		0x0040
#define TI_UART_ENABLE_XA_OUT		0x0080
#define TI_UART_ENABLE_X_IN		0x0100
#define TI_UART_ENABLE_DTR_IN		0x0800
#define TI_UART_DISABLE_DTR		0x1000
#define TI_UART_ENABLE_MS_INTS		0x2000
#define TI_UART_ENABLE_AUTO_START_DMA	0x4000

/* Parity */
#define TI_UART_NO_PARITY		0x00
#define TI_UART_ODD_PARITY		0x01
#define TI_UART_EVEN_PARITY		0x02
#define TI_UART_MARK_PARITY		0x03
#define TI_UART_SPACE_PARITY		0x04

/* Stop bits */
#define TI_UART_1_STOP_BITS		0x00
#define TI_UART_1_5_STOP_BITS		0x01
#define TI_UART_2_STOP_BITS		0x02

/* Bits per character */
#define TI_UART_5_DATA_BITS		0x00
#define TI_UART_6_DATA_BITS		0x01
#define TI_UART_7_DATA_BITS		0x02
#define TI_UART_8_DATA_BITS		0x03

/* 232/485 modes */
#define TI_UART_232			0x00
#define TI_UART_485_RECEIVER_DISABLED	0x01
#define TI_UART_485_RECEIVER_ENABLED	0x02

/* Pipe transfer mode and timeout */
#define TI_PIPE_MODE_CONTINOUS		0x01
#define TI_PIPE_MODE_MASK		0x03
#define TI_PIPE_TIMEOUT_MASK		0x7C
#define TI_PIPE_TIMEOUT_ENABLE		0x80

/* Config struct */
struct ti_uart_config {
	__u16	wBaudRate;
	__u16	wFlags;
	__u8	bDataBits;
	__u8	bParity;
	__u8	bStopBits;
	char	cXon;
	char	cXoff;
	__u8	bUartMode;
} __attribute__((packed));

/* Get port status */
struct ti_port_status {
	__u8	bCmdCode;
	__u8	bModuleId;
	__u8	bErrorCode;
	__u8	bMSR;
	__u8	bLSR;
} __attribute__((packed));

/* Purge modes */
#define TI_PURGE_OUTPUT			0x00
#define TI_PURGE_INPUT			0x80

/* Read/Write data */
#define TI_RW_DATA_ADDR_SFR		0x10
#define TI_RW_DATA_ADDR_IDATA		0x20
#define TI_RW_DATA_ADDR_XDATA		0x30
#define TI_RW_DATA_ADDR_CODE		0x40
#define TI_RW_DATA_ADDR_GPIO		0x50
#define TI_RW_DATA_ADDR_I2C		0x60
#define TI_RW_DATA_ADDR_FLASH		0x70
#define TI_RW_DATA_ADDR_DSP		0x80

#define TI_RW_DATA_UNSPECIFIED		0x00
#define TI_RW_DATA_BYTE			0x01
#define TI_RW_DATA_WORD			0x02
#define TI_RW_DATA_DOUBLE_WORD		0x04

struct ti_write_data_bytes {
	__u8	bAddrType;
	__u8	bDataType;
	__u8	bDataCounter;
	__be16	wBaseAddrHi;
	__be16	wBaseAddrLo;
	__u8	bData[0];
} __attribute__((packed));

struct ti_read_data_request {
	__u8	bAddrType;
	__u8	bDataType;
	__u8	bDataCounter;
	__be16	wBaseAddrHi;
	__be16	wBaseAddrLo;
} __attribute__((packed));

struct ti_read_data_bytes {
	__u8	bCmdCode;
	__u8	bModuleId;
	__u8	bErrorCode;
	__u8	bData[0];
} __attribute__((packed));

/* Interrupt struct */
struct ti_interrupt {
	__u8	bICode;
	__u8	bIInfo;
} __attribute__((packed));

/* Interrupt codes */
#define TI_GET_PORT_FROM_CODE(c)	(((c) >> 4) - 3)
#define TI_GET_FUNC_FROM_CODE(c)	((c) & 0x0f)
#define TI_CODE_HARDWARE_ERROR		0xFF
#define TI_CODE_DATA_ERROR		0x03
#define TI_CODE_MODEM_STATUS		0x04

/* Download firmware max packet size */
#define TI_DOWNLOAD_MAX_PACKET_SIZE	64

/* Firmware image header */
struct ti_firmware_header {
	__le16	wLength;
	__u8	bCheckSum;
} __attribute__((packed));

/* UART addresses */
#define TI_UART1_BASE_ADDR		0xFFA0	/* UART 1 base address */
#define TI_UART2_BASE_ADDR		0xFFB0	/* UART 2 base address */
#define TI_UART_OFFSET_LCR		0x0002	/* UART MCR register offset */
#define TI_UART_OFFSET_MCR		0x0004	/* UART MCR register offset */

#endif /* _TI_3410_5052_H_ */