1 /*
2  * Hewlett Packard Human Interface Loop (HP-HIL) Protocol -- header.
3  *
4  * Copyright (c) 2001 Brian S. Julin
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions, and the following disclaimer,
12  *    without modification.
13  * 2. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
15  *
16  * Alternatively, this software may be distributed under the terms of the
17  * GNU General Public License ("GPL").
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
23  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  *
29  * References:
30  * HP-HIL Technical Reference Manual.  Hewlett Packard Product No. 45918A
31  *
32  * A note of thanks to HP for providing and shipping reference materials
33  * free of charge to help in the development of HIL support for Linux.
34  *
35  */
36 
37 #include <asm/types.h>
38 
39 /* Physical constants relevant to raw loop/device timing.
40  */
41 
42 #define HIL_CLOCK		8MHZ
43 #define HIL_EK1_CLOCK		30HZ
44 #define HIL_EK2_CLOCK		60HZ
45 
46 #define HIL_TIMEOUT_DEV         5	/* ms */
47 #define HIL_TIMEOUT_DEVS	10	/* ms */
48 #define HIL_TIMEOUT_NORESP	10	/* ms */
49 #define HIL_TIMEOUT_DEVS_DATA	16	/* ms */
50 #define HIL_TIMEOUT_SELFTEST	200	/* ms */
51 
52 
53 /* Actual wire line coding.  These will only be useful if someone is
54  * implementing a software MLC to run HIL devices on a non-parisc machine.
55  */
56 
57 #define HIL_WIRE_PACKET_LEN	15
58 enum hil_wire_bitpos {
59 	HIL_WIRE_START		= 0,
60 	HIL_WIRE_ADDR2,
61 	HIL_WIRE_ADDR1,
62 	HIL_WIRE_ADDR0,
63 	HIL_WIRE_COMMAND,
64 	HIL_WIRE_DATA7,
65 	HIL_WIRE_DATA6,
66 	HIL_WIRE_DATA5,
67 	HIL_WIRE_DATA4,
68 	HIL_WIRE_DATA3,
69 	HIL_WIRE_DATA2,
70 	HIL_WIRE_DATA1,
71 	HIL_WIRE_DATA0,
72 	HIL_WIRE_PARITY,
73 	HIL_WIRE_STOP
74 };
75 
76 /* HP documentation uses these bit positions to refer to commands;
77  * we will call these "packets".
78  */
79 enum hil_pkt_bitpos {
80 	HIL_PKT_CMD		= 0x00000800,
81 	HIL_PKT_ADDR2		= 0x00000400,
82 	HIL_PKT_ADDR1		= 0x00000200,
83 	HIL_PKT_ADDR0		= 0x00000100,
84 	HIL_PKT_ADDR_MASK	= 0x00000700,
85 	HIL_PKT_ADDR_SHIFT	= 8,
86 	HIL_PKT_DATA7		= 0x00000080,
87 	HIL_PKT_DATA6		= 0x00000040,
88 	HIL_PKT_DATA5		= 0x00000020,
89 	HIL_PKT_DATA4		= 0x00000010,
90 	HIL_PKT_DATA3		= 0x00000008,
91 	HIL_PKT_DATA2		= 0x00000004,
92 	HIL_PKT_DATA1		= 0x00000002,
93 	HIL_PKT_DATA0		= 0x00000001,
94 	HIL_PKT_DATA_MASK	= 0x000000FF,
95 	HIL_PKT_DATA_SHIFT	= 0
96 };
97 
98 /* The HIL MLC also has several error/status/control bits.  We extend the
99  * "packet" to include these when direct access to the MLC is available,
100  * or emulate them in cases where they are not available.
101  *
102  * This way the device driver knows that the underlying MLC driver
103  * has had to deal with loop errors.
104  */
105 enum hil_error_bitpos {
106 	HIL_ERR_OB	= 0x00000800, /* MLC is busy sending an auto-poll,
107 					 or we have filled up the output
108 					 buffer and must wait. */
109 	HIL_ERR_INT	= 0x00010000, /* A normal interrupt has occurred. */
110 	HIL_ERR_NMI	= 0x00020000, /* An NMI has occurred. */
111 	HIL_ERR_LERR	= 0x00040000, /* A poll didn't come back. */
112 	HIL_ERR_PERR	= 0x01000000, /* There was a Parity Error. */
113 	HIL_ERR_FERR	= 0x02000000, /* There was a Framing Error. */
114 	HIL_ERR_FOF	= 0x04000000  /* Input FIFO Overflowed. */
115 };
116 
117 enum hil_control_bitpos {
118 	HIL_CTRL_TEST	= 0x00010000,
119 	HIL_CTRL_IPF	= 0x00040000,
120 	HIL_CTRL_APE	= 0x02000000
121 };
122 
123 /* Bits 30,31 are unused, we use them to control write behavior. */
124 #define HIL_DO_ALTER_CTRL  0x40000000 /* Write MSW of packet to control
125                                           before writing LSW to loop */
126 #define HIL_CTRL_ONLY      0xc0000000 /* *Only* alter the control registers */
127 
128 /* This gives us a 32-bit "packet"
129  */
130 typedef u32 hil_packet;
131 
132 
133 /* HIL Loop commands
134  */
135 enum hil_command {
136 	HIL_CMD_IFC	= 0x00,	/* Interface Clear */
137 	HIL_CMD_EPT	= 0x01,	/* Enter Pass-Thru Mode */
138 	HIL_CMD_ELB	= 0x02,	/* Enter Loop-Back Mode */
139 	HIL_CMD_IDD	= 0x03,	/* Identify and Describe */
140 	HIL_CMD_DSR	= 0x04,	/* Device Soft Reset */
141 	HIL_CMD_PST	= 0x05,	/* Perform Self Test */
142 	HIL_CMD_RRG	= 0x06,	/* Read Register */
143 	HIL_CMD_WRG	= 0x07,	/* Write Register */
144 	HIL_CMD_ACF	= 0x08,	/* Auto Configure */
145 	HIL_CMDID_ACF	= 0x07,	/* Auto Configure bits with incremented ID */
146 	HIL_CMD_POL	= 0x10,	/* Poll */
147 	HIL_CMDCT_POL	= 0x0f,	/* Poll command bits with item count  */
148 	HIL_CMD_RPL	= 0x20,	/* RePoll */
149 	HIL_CMDCT_RPL	= 0x0f,	/* RePoll command bits with item count */
150 	HIL_CMD_RNM	= 0x30,	/* Report Name */
151 	HIL_CMD_RST	= 0x31,	/* Report Status */
152 	HIL_CMD_EXD	= 0x32,	/* Extended Describe */
153 	HIL_CMD_RSC	= 0x33,	/* Report Security Code */
154 
155 	/* 0x34 to 0x3c reserved for future use  */
156 
157 	HIL_CMD_DKA	= 0x3d,	/* Disable Keyswitch Autorepeat */
158 	HIL_CMD_EK1	= 0x3e,	/* Enable Keyswitch Autorepeat 1 */
159 	HIL_CMD_EK2	= 0x3f,	/* Enable Keyswitch Autorepeat 2 */
160 	HIL_CMD_PR1	= 0x40,	/* Prompt1 */
161 	HIL_CMD_PR2	= 0x41,	/* Prompt2 */
162 	HIL_CMD_PR3	= 0x42,	/* Prompt3 */
163 	HIL_CMD_PR4	= 0x43,	/* Prompt4 */
164 	HIL_CMD_PR5	= 0x44,	/* Prompt5 */
165 	HIL_CMD_PR6	= 0x45,	/* Prompt6 */
166 	HIL_CMD_PR7	= 0x46,	/* Prompt7 */
167 	HIL_CMD_PRM	= 0x47,	/* Prompt (General Purpose) */
168 	HIL_CMD_AK1	= 0x48,	/* Acknowlege1 */
169 	HIL_CMD_AK2	= 0x49,	/* Acknowlege2 */
170 	HIL_CMD_AK3	= 0x4a,	/* Acknowlege3 */
171 	HIL_CMD_AK4	= 0x4b,	/* Acknowlege4 */
172 	HIL_CMD_AK5	= 0x4c,	/* Acknowlege5 */
173 	HIL_CMD_AK6	= 0x4d,	/* Acknowlege6 */
174 	HIL_CMD_AK7	= 0x4e,	/* Acknowlege7 */
175 	HIL_CMD_ACK	= 0x4f,	/* Acknowlege (General Purpose) */
176 
177 	/* 0x50 to 0x78 reserved for future use  */
178 	/* 0x80 to 0xEF device-specific commands */
179 	/* 0xf0 to 0xf9 reserved for future use  */
180 
181 	HIL_CMD_RIO	= 0xfa,	/* Register I/O Error */
182 	HIL_CMD_SHR	= 0xfb,	/* System Hard Reset */
183 	HIL_CMD_TER	= 0xfc,	/* Transmission Error */
184 	HIL_CMD_CAE	= 0xfd,	/* Configuration Address Error */
185 	HIL_CMD_DHR	= 0xfe,	/* Device Hard Reset */
186 
187 	/* 0xff is prohibited from use. */
188 };
189 
190 
191 /*
192  * Response "records" to HIL commands
193  */
194 
195 /* Device ID byte
196  */
197 #define HIL_IDD_DID_TYPE_MASK		0xe0	/* Primary type bits */
198 #define HIL_IDD_DID_TYPE_KB_INTEGRAL	0xa0	/* Integral keyboard */
199 #define HIL_IDD_DID_TYPE_KB_ITF		0xc0	/* ITD keyboard */
200 #define HIL_IDD_DID_TYPE_KB_RSVD	0xe0	/* Reserved keyboard type */
201 #define HIL_IDD_DID_TYPE_KB_LANG_MASK	0x1f	/* Keyboard locale bits */
202 #define HIL_IDD_DID_KBLANG_USE_ESD	0x00	/* Use ESD Locale instead */
203 #define HIL_IDD_DID_TYPE_ABS		0x80    /* Absolute Positioners */
204 #define HIL_IDD_DID_ABS_RSVD1_MASK	0xf8	/* Reserved */
205 #define HIL_IDD_DID_ABS_RSVD1		0x98
206 #define HIL_IDD_DID_ABS_TABLET_MASK	0xf8	/* Tablets and digitizers */
207 #define HIL_IDD_DID_ABS_TABLET		0x90
208 #define HIL_IDD_DID_ABS_TSCREEN_MASK	0xfc	/* Touch screens */
209 #define HIL_IDD_DID_ABS_TSCREEN		0x8c
210 #define HIL_IDD_DID_ABS_RSVD2_MASK	0xfc	/* Reserved */
211 #define HIL_IDD_DID_ABS_RSVD2		0x88
212 #define HIL_IDD_DID_ABS_RSVD3_MASK	0xfc	/* Reserved */
213 #define HIL_IDD_DID_ABS_RSVD3		0x80
214 #define HIL_IDD_DID_TYPE_REL		0x60    /* Relative Positioners */
215 #define HIL_IDD_DID_REL_RSVD1_MASK	0xf0	/* Reserved */
216 #define HIL_IDD_DID_REL_RSVD1		0x70
217 #define HIL_IDD_DID_REL_RSVD2_MASK	0xfc	/* Reserved */
218 #define HIL_IDD_DID_REL_RSVD2		0x6c
219 #define HIL_IDD_DID_REL_MOUSE_MASK	0xfc	/* Mouse */
220 #define HIL_IDD_DID_REL_MOUSE		0x68
221 #define HIL_IDD_DID_REL_QUAD_MASK	0xf8	/* Other Quadrature Devices */
222 #define HIL_IDD_DID_REL_QUAD		0x60
223 #define HIL_IDD_DID_TYPE_CHAR		0x40    /* Character Entry */
224 #define HIL_IDD_DID_CHAR_BARCODE_MASK	0xfc	/* Barcode Reader */
225 #define HIL_IDD_DID_CHAR_BARCODE	0x5c
226 #define HIL_IDD_DID_CHAR_RSVD1_MASK	0xfc	/* Reserved */
227 #define HIL_IDD_DID_CHAR_RSVD1		0x58
228 #define HIL_IDD_DID_CHAR_RSVD2_MASK	0xf8	/* Reserved */
229 #define HIL_IDD_DID_CHAR_RSVD2		0x50
230 #define HIL_IDD_DID_CHAR_RSVD3_MASK	0xf0	/* Reserved */
231 #define HIL_IDD_DID_CHAR_RSVD3		0x40
232 #define HIL_IDD_DID_TYPE_OTHER		0x20    /* Miscellaneous */
233 #define HIL_IDD_DID_OTHER_RSVD1_MASK	0xf0	/* Reserved */
234 #define HIL_IDD_DID_OTHER_RSVD1		0x30
235 #define HIL_IDD_DID_OTHER_BARCODE_MASK	0xfc	/* Tone Generator */
236 #define HIL_IDD_DID_OTHER_BARCODE	0x2c
237 #define HIL_IDD_DID_OTHER_RSVD2_MASK	0xfc	/* Reserved */
238 #define HIL_IDD_DID_OTHER_RSVD2		0x28
239 #define HIL_IDD_DID_OTHER_RSVD3_MASK	0xf8	/* Reserved */
240 #define HIL_IDD_DID_OTHER_RSVD3		0x20
241 #define HIL_IDD_DID_TYPE_KEYPAD		0x00	/* Vectra Keyboard */
242 
243 /* IDD record header
244  */
245 #define HIL_IDD_HEADER_AXSET_MASK	0x03    /* Number of axis in a set */
246 #define HIL_IDD_HEADER_RSC		0x04	/* Supports RSC command */
247 #define HIL_IDD_HEADER_EXD		0x08	/* Supports EXD command */
248 #define HIL_IDD_HEADER_IOD		0x10	/* IOD byte to follow */
249 #define HIL_IDD_HEADER_16BIT		0x20	/* 16 (vs. 8) bit resolution */
250 #define HIL_IDD_HEADER_ABS		0x40	/* Reports Absolute Position */
251 #define HIL_IDD_HEADER_2X_AXIS		0x80	/* Two sets of 1-3 axis */
252 
253 /* I/O Descriptor
254  */
255 #define HIL_IDD_IOD_NBUTTON_MASK	0x07	/* Number of buttons */
256 #define HIL_IDD_IOD_PROXIMITY		0x08	/* Proximity in/out events */
257 #define HIL_IDD_IOD_PROMPT_MASK		0x70	/* Number of prompts/acks */
258 #define HIL_IDD_IOD_PROMPT_SHIFT	4
259 #define HIL_IDD_IOD_PROMPT		0x80	/* Generic prompt/ack */
260 
261 #define HIL_IDD_NUM_AXES_PER_SET(header_packet) \
262 ((header_packet) & HIL_IDD_HEADER_AXSET_MASK)
263 
264 #define HIL_IDD_NUM_AXSETS(header_packet) \
265 (2 - !((header_packet) & HIL_IDD_HEADER_2X_AXIS))
266 
267 #define HIL_IDD_LEN(header_packet) \
268 ((4 - !(header_packet & HIL_IDD_HEADER_IOD) -			\
269   2 * !(HIL_IDD_NUM_AXES_PER_SET(header_packet))) +		\
270   2 * HIL_IDD_NUM_AXES_PER_SET(header_packet) *			\
271  !!((header_packet) & HIL_IDD_HEADER_ABS))
272 
273 /* The following HIL_IDD_* macros assume you have an array of
274  * packets and/or unpacked 8-bit data in the order that they
275  * were received.
276  */
277 
278 #define HIL_IDD_AXIS_COUNTS_PER_M(header_ptr) \
279 (!(HIL_IDD_NUM_AXSETS(*(header_ptr))) ? -1 :			\
280 (((*(header_ptr + 1) & HIL_PKT_DATA_MASK) +			\
281   ((*(header_ptr + 2) & HIL_PKT_DATA_MASK)) << 8)		\
282 * ((*(header_ptr) & HIL_IDD_HEADER_16BIT) ? 100 : 1)))
283 
284 #define HIL_IDD_AXIS_MAX(header_ptr, __axnum) \
285 ((!(*(header_ptr) & HIL_IDD_HEADER_ABS) ||			\
286   (HIL_IDD_NUM_AXES_PER_SET(*(header_ptr)) <= __axnum)) ? 0 :	\
287  ((HIL_PKT_DATA_MASK & *((header_ptr) + 3 + 2 * __axnum)) +	\
288   ((HIL_PKT_DATA_MASK & *((header_ptr) + 4 + 2 * __axnum)) << 8)))
289 
290 #define HIL_IDD_IOD(header_ptr) \
291 (*(header_ptr + HIL_IDD_LEN((*header_ptr)) - 1))
292 
293 #define HIL_IDD_HAS_GEN_PROMPT(header_ptr) \
294 ((*header_ptr & HIL_IDD_HEADER_IOD) &&				\
295  (HIL_IDD_IOD(header_ptr) & HIL_IDD_IOD_PROMPT))
296 
297 #define HIL_IDD_HAS_GEN_PROXIMITY(header_ptr) \
298 ((*header_ptr & HIL_IDD_HEADER_IOD) &&				\
299  (HIL_IDD_IOD(header_ptr) & HIL_IDD_IOD_PROXIMITY))
300 
301 #define HIL_IDD_NUM_BUTTONS(header_ptr) \
302 ((*header_ptr & HIL_IDD_HEADER_IOD) ?				\
303  (HIL_IDD_IOD(header_ptr) & HIL_IDD_IOD_NBUTTON_MASK) : 0)
304 
305 #define HIL_IDD_NUM_PROMPTS(header_ptr) \
306 ((*header_ptr & HIL_IDD_HEADER_IOD) ?				\
307  ((HIL_IDD_IOD(header_ptr) & HIL_IDD_IOD_NPROMPT_MASK)		\
308   >> HIL_IDD_IOD_PROMPT_SHIFT) : 0)
309 
310 /* The response to HIL EXD commands -- the "extended describe record" */
311 #define	HIL_EXD_HEADER_WRG		0x03	/* Supports type2 WRG */
312 #define HIL_EXD_HEADER_WRG_TYPE1	0x01	/* Supports type1 WRG */
313 #define	HIL_EXD_HEADER_WRG_TYPE2	0x02	/* Supports type2 WRG */
314 #define	HIL_EXD_HEADER_RRG		0x04	/* Supports RRG command */
315 #define	HIL_EXD_HEADER_RNM		0x10	/* Supports RNM command */
316 #define HIL_EXD_HEADER_RST		0x20	/* Supports RST command */
317 #define HIL_EXD_HEADER_LOCALE		0x40	/* Contains locale code */
318 
319 #define HIL_EXD_NUM_RRG(header_ptr) \
320 ((*header_ptr & HIL_EXD_HEADER_RRG) ? \
321  (*(header_ptr + 1) & HIL_PKT_DATA_MASK) : 0)
322 
323 #define HIL_EXD_NUM_WWG(header_ptr) \
324 ((*header_ptr & HIL_EXD_HEADER_WRG) ?				\
325  (*(header_ptr + 2 - !(*header_ptr & HIL_EXD_HEADER_RRG)) &	\
326     HIL_PKT_DATA_MASK) : 0)
327 
328 #define HIL_EXD_LEN(header_ptr) \
329 (!!(*header_ptr & HIL_EXD_HEADER_RRG) +				\
330  !!(*header_ptr & HIL_EXD_HEADER_WRG) +				\
331  !!(*header_ptr & HIL_EXD_HEADER_LOCALE) +			\
332  2 * !!(*header_ptr & HIL_EXD_HEADER_WRG_TYPE2) + 1)
333 
334 #define HIL_EXD_LOCALE(header_ptr) \
335 (!(*header_ptr & HIL_EXD_HEADER_LOCALE) ? -1 :			\
336  (*(header_ptr + HIL_EXD_LEN(header_ptr) - 1) & HIL_PKT_DATA_MASK))
337 
338 #define HIL_EXD_WRG_TYPE2_LEN(header_ptr) \
339 (!(*header_ptr & HIL_EXD_HEADER_WRG_TYPE2) ? -1	:			\
340  (*(header_ptr + HIL_EXD_LEN(header_ptr) - 2 -                  	\
341     !!(*header_ptr & HIL_EXD_HEADER_LOCALE)) & HIL_PKT_DATA_MASK) +	\
342  ((*(header_ptr + HIL_EXD_LEN(header_ptr) - 1 -				\
343      !!(*header_ptr & HIL_EXD_HEADER_LOCALE)) & HIL_PKT_DATA_MASK) << 8))
344 
345 /* Device locale codes. */
346 
347 /* Last defined locale code.  Everything above this is "Reserved",
348    and note that this same table applies to the Device ID Byte where
349    keyboards may have a nationality code which is only 5 bits. */
350 #define HIL_LOCALE_MAX 0x1f
351 
352 /* Map to hopefully useful strings.  I was trying to make these look
353    like locale.aliases strings do; maybe that isn't the right table to
354    emulate.  In either case, I didn't have much to work on. */
355 #define HIL_LOCALE_MAP \
356 "",			/* 0x00 Reserved */		\
357 "",			/* 0x01 Reserved */		\
358 "",			/* 0x02 Reserved */		\
359 "swiss.french",		/* 0x03 Swiss/French */		\
360 "portuguese",		/* 0x04 Portuguese */		\
361 "arabic",		/* 0x05 Arabic */		\
362 "hebrew",		/* 0x06 Hebrew */		\
363 "english.canadian",	/* 0x07 Canadian English */	\
364 "turkish",		/* 0x08 Turkish */		\
365 "greek",		/* 0x09 Greek */		\
366 "thai",			/* 0x0a Thai (Thailand) */	\
367 "italian",		/* 0x0b Italian */		\
368 "korean",		/* 0x0c Hangul (Korea) */	\
369 "dutch",		/* 0x0d Dutch */		\
370 "swedish",		/* 0x0e Swedish */		\
371 "german",		/* 0x0f German */		\
372 "chinese",		/* 0x10 Chinese-PRC */		\
373 "chinese",		/* 0x11 Chinese-ROC */		\
374 "swiss.french",		/* 0x12 Swiss/French II */	\
375 "spanish",		/* 0x13 Spanish */		\
376 "swiss.german",		/* 0x14 Swiss/German II */	\
377 "flemish",		/* 0x15 Belgian (Flemish) */	\
378 "finnish",		/* 0x16 Finnish	*/		\
379 "english.uk",		/* 0x17 United Kingdom */	\
380 "french.canadian",	/* 0x18 French/Canadian */	\
381 "swiss.german",		/* 0x19 Swiss/German */		\
382 "norwegian",		/* 0x1a Norwegian */		\
383 "french",		/* 0x1b French */		\
384 "danish",		/* 0x1c Danish */		\
385 "japanese",		/* 0x1d Katakana */		\
386 "spanish",		/* 0x1e Latin American/Spanish*/\
387 "english.us"		/* 0x1f United States */	\
388 
389 
390 /* Response to POL command, the "poll record header" */
391 
392 #define HIL_POL_NUM_AXES_MASK	0x03	/* Number of axis reported */
393 #define HIL_POL_CTS		0x04	/* Device ready to receive data */
394 #define HIL_POL_STATUS_PENDING	0x08	/* Device has status to report */
395 #define HIL_POL_CHARTYPE_MASK	0x70	/* Type of character data to follow */
396 #define HIL_POL_CHARTYPE_NONE	0x00	/* No character data to follow */
397 #define HIL_POL_CHARTYPE_RSVD1	0x10	/* Reserved Set 1 */
398 #define HIL_POL_CHARTYPE_ASCII	0x20	/* U.S. ASCII */
399 #define HIL_POL_CHARTYPE_BINARY	0x30	/* Binary data */
400 #define HIL_POL_CHARTYPE_SET1	0x40	/* Keycode Set 1 */
401 #define HIL_POL_CHARTYPE_RSVD2	0x50	/* Reserved Set 2 */
402 #define HIL_POL_CHARTYPE_SET2	0x60	/* Keycode Set 2 */
403 #define HIL_POL_CHARTYPE_SET3	0x70	/* Keycode Set 3 */
404 #define HIL_POL_AXIS_ALT	0x80	/* Data is from axis set 2 */
405 
406