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1#ifndef _PSMOUSE_H
2#define _PSMOUSE_H
3
4#define PSMOUSE_CMD_SETSCALE11 0x00e6
5#define PSMOUSE_CMD_SETSCALE21 0x00e7
6#define PSMOUSE_CMD_SETRES 0x10e8
7#define PSMOUSE_CMD_GETINFO 0x03e9
8#define PSMOUSE_CMD_SETSTREAM 0x00ea
9#define PSMOUSE_CMD_SETPOLL 0x00f0
10#define PSMOUSE_CMD_POLL 0x00eb /* caller sets number of bytes to receive */
11#define PSMOUSE_CMD_GETID 0x02f2
12#define PSMOUSE_CMD_SETRATE 0x10f3
13#define PSMOUSE_CMD_ENABLE 0x00f4
14#define PSMOUSE_CMD_DISABLE 0x00f5
15#define PSMOUSE_CMD_RESET_DIS 0x00f6
16#define PSMOUSE_CMD_RESET_BAT 0x02ff
17
18#define PSMOUSE_RET_BAT 0xaa
19#define PSMOUSE_RET_ID 0x00
20#define PSMOUSE_RET_ACK 0xfa
21#define PSMOUSE_RET_NAK 0xfe
22
23enum psmouse_state {
24 PSMOUSE_IGNORE,
25 PSMOUSE_INITIALIZING,
26 PSMOUSE_RESYNCING,
27 PSMOUSE_CMD_MODE,
28 PSMOUSE_ACTIVATED,
29};
30
31/* psmouse protocol handler return codes */
32typedef enum {
33 PSMOUSE_BAD_DATA,
34 PSMOUSE_GOOD_DATA,
35 PSMOUSE_FULL_PACKET
36} psmouse_ret_t;
37
38struct psmouse {
39 void *private;
40 struct input_dev *dev;
41 struct ps2dev ps2dev;
42 struct delayed_work resync_work;
43 char *vendor;
44 char *name;
45 unsigned char packet[8];
46 unsigned char badbyte;
47 unsigned char pktcnt;
48 unsigned char pktsize;
49 unsigned char type;
50 bool ignore_parity;
51 bool acks_disable_command;
52 unsigned int model;
53 unsigned long last;
54 unsigned long out_of_sync_cnt;
55 unsigned long num_resyncs;
56 enum psmouse_state state;
57 char devname[64];
58 char phys[32];
59
60 unsigned int rate;
61 unsigned int resolution;
62 unsigned int resetafter;
63 unsigned int resync_time;
64 bool smartscroll; /* Logitech only */
65
66 psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse);
67 void (*set_rate)(struct psmouse *psmouse, unsigned int rate);
68 void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution);
69
70 int (*reconnect)(struct psmouse *psmouse);
71 void (*disconnect)(struct psmouse *psmouse);
72 void (*cleanup)(struct psmouse *psmouse);
73 int (*poll)(struct psmouse *psmouse);
74
75 void (*pt_activate)(struct psmouse *psmouse);
76 void (*pt_deactivate)(struct psmouse *psmouse);
77};
78
79enum psmouse_type {
80 PSMOUSE_NONE,
81 PSMOUSE_PS2,
82 PSMOUSE_PS2PP,
83 PSMOUSE_THINKPS,
84 PSMOUSE_GENPS,
85 PSMOUSE_IMPS,
86 PSMOUSE_IMEX,
87 PSMOUSE_SYNAPTICS,
88 PSMOUSE_ALPS,
89 PSMOUSE_LIFEBOOK,
90 PSMOUSE_TRACKPOINT,
91 PSMOUSE_TOUCHKIT_PS2,
92 PSMOUSE_CORTRON,
93 PSMOUSE_HGPK,
94 PSMOUSE_ELANTECH,
95 PSMOUSE_FSP,
96 PSMOUSE_AUTO /* This one should always be last */
97};
98
99void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work,
100 unsigned long delay);
101int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
102int psmouse_reset(struct psmouse *psmouse);
103void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state);
104void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
105
106struct psmouse_attribute {
107 struct device_attribute dattr;
108 void *data;
109 ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
110 ssize_t (*set)(struct psmouse *psmouse, void *data,
111 const char *buf, size_t count);
112 bool protect;
113};
114#define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr)
115
116ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
117 char *buf);
118ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
119 const char *buf, size_t count);
120
121#define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) \
122static struct psmouse_attribute psmouse_attr_##_name = { \
123 .dattr = { \
124 .attr = { \
125 .name = __stringify(_name), \
126 .mode = _mode, \
127 }, \
128 .show = psmouse_attr_show_helper, \
129 .store = psmouse_attr_set_helper, \
130 }, \
131 .data = _data, \
132 .show = _show, \
133 .set = _set, \
134 .protect = _protect, \
135}
136
137#define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect) \
138 static ssize_t _show(struct psmouse *, void *, char *); \
139 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \
140 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect)
141
142#define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \
143 __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, true)
144
145#define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show) \
146 static ssize_t _show(struct psmouse *, void *, char *); \
147 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, true)
148
149#define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set) \
150 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \
151 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, true)
152
153#endif /* _PSMOUSE_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _PSMOUSE_H
3#define _PSMOUSE_H
4
5#define PSMOUSE_OOB_NONE 0x00
6#define PSMOUSE_OOB_EXTRA_BTNS 0x01
7
8#define PSMOUSE_CMD_SETSCALE11 0x00e6
9#define PSMOUSE_CMD_SETSCALE21 0x00e7
10#define PSMOUSE_CMD_SETRES 0x10e8
11#define PSMOUSE_CMD_GETINFO 0x03e9
12#define PSMOUSE_CMD_SETSTREAM 0x00ea
13#define PSMOUSE_CMD_SETPOLL 0x00f0
14#define PSMOUSE_CMD_POLL 0x00eb /* caller sets number of bytes to receive */
15#define PSMOUSE_CMD_RESET_WRAP 0x00ec
16#define PSMOUSE_CMD_GETID 0x02f2
17#define PSMOUSE_CMD_SETRATE 0x10f3
18#define PSMOUSE_CMD_ENABLE 0x00f4
19#define PSMOUSE_CMD_DISABLE 0x00f5
20#define PSMOUSE_CMD_RESET_DIS 0x00f6
21#define PSMOUSE_CMD_RESET_BAT 0x02ff
22
23#define PSMOUSE_RET_BAT 0xaa
24#define PSMOUSE_RET_ID 0x00
25#define PSMOUSE_RET_ACK 0xfa
26#define PSMOUSE_RET_NAK 0xfe
27
28enum psmouse_state {
29 PSMOUSE_IGNORE,
30 PSMOUSE_INITIALIZING,
31 PSMOUSE_RESYNCING,
32 PSMOUSE_CMD_MODE,
33 PSMOUSE_ACTIVATED,
34};
35
36/* psmouse protocol handler return codes */
37typedef enum {
38 PSMOUSE_BAD_DATA,
39 PSMOUSE_GOOD_DATA,
40 PSMOUSE_FULL_PACKET
41} psmouse_ret_t;
42
43enum psmouse_scale {
44 PSMOUSE_SCALE11,
45 PSMOUSE_SCALE21
46};
47
48enum psmouse_type {
49 PSMOUSE_NONE,
50 PSMOUSE_PS2,
51 PSMOUSE_PS2PP,
52 PSMOUSE_THINKPS,
53 PSMOUSE_GENPS,
54 PSMOUSE_IMPS,
55 PSMOUSE_IMEX,
56 PSMOUSE_SYNAPTICS,
57 PSMOUSE_ALPS,
58 PSMOUSE_LIFEBOOK,
59 PSMOUSE_TRACKPOINT,
60 PSMOUSE_TOUCHKIT_PS2,
61 PSMOUSE_CORTRON,
62 PSMOUSE_HGPK,
63 PSMOUSE_ELANTECH,
64 PSMOUSE_FSP,
65 PSMOUSE_SYNAPTICS_RELATIVE,
66 PSMOUSE_CYPRESS,
67 PSMOUSE_FOCALTECH,
68 PSMOUSE_VMMOUSE,
69 PSMOUSE_BYD,
70 PSMOUSE_SYNAPTICS_SMBUS,
71 PSMOUSE_AUTO /* This one should always be last */
72};
73
74struct psmouse;
75
76struct psmouse_protocol {
77 enum psmouse_type type;
78 bool maxproto;
79 bool ignore_parity; /* Protocol should ignore parity errors from KBC */
80 bool try_passthru; /* Try protocol also on passthrough ports */
81 bool smbus_companion; /* "Protocol" is a stub, device is on SMBus */
82 const char *name;
83 const char *alias;
84 int (*detect)(struct psmouse *, bool);
85 int (*init)(struct psmouse *);
86};
87
88struct psmouse {
89 void *private;
90 struct input_dev *dev;
91 struct ps2dev ps2dev;
92 struct delayed_work resync_work;
93 const char *vendor;
94 const char *name;
95 const struct psmouse_protocol *protocol;
96 unsigned char packet[8];
97 unsigned char badbyte;
98 unsigned char pktcnt;
99 unsigned char pktsize;
100 unsigned char oob_data_type;
101 unsigned char extra_buttons;
102 bool acks_disable_command;
103 unsigned int model;
104 unsigned long last;
105 unsigned long out_of_sync_cnt;
106 unsigned long num_resyncs;
107 enum psmouse_state state;
108 char devname[64];
109 char phys[32];
110
111 unsigned int rate;
112 unsigned int resolution;
113 unsigned int resetafter;
114 unsigned int resync_time;
115 bool smartscroll; /* Logitech only */
116
117 psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse);
118 void (*set_rate)(struct psmouse *psmouse, unsigned int rate);
119 void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution);
120 void (*set_scale)(struct psmouse *psmouse, enum psmouse_scale scale);
121
122 int (*reconnect)(struct psmouse *psmouse);
123 int (*fast_reconnect)(struct psmouse *psmouse);
124 void (*disconnect)(struct psmouse *psmouse);
125 void (*cleanup)(struct psmouse *psmouse);
126 int (*poll)(struct psmouse *psmouse);
127
128 void (*pt_activate)(struct psmouse *psmouse);
129 void (*pt_deactivate)(struct psmouse *psmouse);
130};
131
132void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work,
133 unsigned long delay);
134int psmouse_reset(struct psmouse *psmouse);
135void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state);
136void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
137psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse);
138int psmouse_activate(struct psmouse *psmouse);
139int psmouse_deactivate(struct psmouse *psmouse);
140bool psmouse_matches_pnp_id(struct psmouse *psmouse, const char * const ids[]);
141
142void psmouse_report_standard_buttons(struct input_dev *, u8 buttons);
143void psmouse_report_standard_motion(struct input_dev *, u8 *packet);
144void psmouse_report_standard_packet(struct input_dev *, u8 *packet);
145
146struct psmouse_attribute {
147 struct device_attribute dattr;
148 void *data;
149 ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
150 ssize_t (*set)(struct psmouse *psmouse, void *data,
151 const char *buf, size_t count);
152 bool protect;
153};
154#define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr)
155
156ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
157 char *buf);
158ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
159 const char *buf, size_t count);
160
161#define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) \
162static struct psmouse_attribute psmouse_attr_##_name = { \
163 .dattr = { \
164 .attr = { \
165 .name = __stringify(_name), \
166 .mode = _mode, \
167 }, \
168 .show = psmouse_attr_show_helper, \
169 .store = psmouse_attr_set_helper, \
170 }, \
171 .data = _data, \
172 .show = _show, \
173 .set = _set, \
174 .protect = _protect, \
175}
176
177#define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect) \
178 static ssize_t _show(struct psmouse *, void *, char *); \
179 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \
180 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect)
181
182#define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \
183 __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, true)
184
185#define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show) \
186 static ssize_t _show(struct psmouse *, void *, char *); \
187 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, true)
188
189#define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set) \
190 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \
191 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, true)
192
193#ifndef psmouse_fmt
194#define psmouse_fmt(fmt) KBUILD_BASENAME ": " fmt
195#endif
196
197#define psmouse_dbg(psmouse, format, ...) \
198 dev_dbg(&(psmouse)->ps2dev.serio->dev, \
199 psmouse_fmt(format), ##__VA_ARGS__)
200#define psmouse_info(psmouse, format, ...) \
201 dev_info(&(psmouse)->ps2dev.serio->dev, \
202 psmouse_fmt(format), ##__VA_ARGS__)
203#define psmouse_warn(psmouse, format, ...) \
204 dev_warn(&(psmouse)->ps2dev.serio->dev, \
205 psmouse_fmt(format), ##__VA_ARGS__)
206#define psmouse_err(psmouse, format, ...) \
207 dev_err(&(psmouse)->ps2dev.serio->dev, \
208 psmouse_fmt(format), ##__VA_ARGS__)
209#define psmouse_notice(psmouse, format, ...) \
210 dev_notice(&(psmouse)->ps2dev.serio->dev, \
211 psmouse_fmt(format), ##__VA_ARGS__)
212#define psmouse_printk(level, psmouse, format, ...) \
213 dev_printk(level, \
214 &(psmouse)->ps2dev.serio->dev, \
215 psmouse_fmt(format), ##__VA_ARGS__)
216
217#ifdef CONFIG_MOUSE_PS2_SMBUS
218
219int psmouse_smbus_module_init(void);
220void psmouse_smbus_module_exit(void);
221
222struct i2c_board_info;
223
224int psmouse_smbus_init(struct psmouse *psmouse,
225 const struct i2c_board_info *board,
226 const void *pdata, size_t pdata_size,
227 bool leave_breadcrumbs);
228void psmouse_smbus_cleanup(struct psmouse *psmouse);
229
230#else /* !CONFIG_MOUSE_PS2_SMBUS */
231
232static inline int psmouse_smbus_module_init(void)
233{
234 return 0;
235}
236
237static inline void psmouse_smbus_module_exit(void)
238{
239}
240
241static inline void psmouse_smbus_cleanup(struct psmouse *psmouse)
242{
243}
244
245#endif /* CONFIG_MOUSE_PS2_SMBUS */
246
247#endif /* _PSMOUSE_H */