Commit | Line | Data |
---|---|---|
4065d1e7 JMC |
1 | /* |
2 | * Header file for: | |
3 | * Cypress TrueTouch(TM) Standard Product (TTSP) touchscreen drivers. | |
4 | * For use with Cypress Txx3xx parts. | |
5 | * Supported parts include: | |
6 | * CY8CTST341 | |
7 | * CY8CTMA340 | |
8 | * | |
9 | * Copyright (C) 2009, 2010, 2011 Cypress Semiconductor, Inc. | |
10 | * Copyright (C) 2012 Javier Martinez Canillas <javier@dowhile0.org> | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU General Public License | |
14 | * version 2, and only version 2, as published by the | |
15 | * Free Software Foundation. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License along | |
23 | * with this program; if not, write to the Free Software Foundation, Inc., | |
24 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
25 | * | |
26 | * Contact Cypress Semiconductor at www.cypress.com <kev@cypress.com> | |
27 | * | |
28 | */ | |
29 | ||
30 | ||
31 | #ifndef __CYTTSP_CORE_H__ | |
32 | #define __CYTTSP_CORE_H__ | |
33 | ||
34 | #include <linux/kernel.h> | |
35 | #include <linux/err.h> | |
36 | #include <linux/module.h> | |
37 | #include <linux/types.h> | |
38 | #include <linux/device.h> | |
39 | #include <linux/input/cyttsp.h> | |
40 | ||
41 | #define CY_NUM_RETRY 16 /* max number of retries for read ops */ | |
42 | ||
43 | struct cyttsp_tch { | |
44 | __be16 x, y; | |
45 | u8 z; | |
46 | } __packed; | |
47 | ||
48 | /* TrueTouch Standard Product Gen3 interface definition */ | |
49 | struct cyttsp_xydata { | |
50 | u8 hst_mode; | |
51 | u8 tt_mode; | |
52 | u8 tt_stat; | |
53 | struct cyttsp_tch tch1; | |
54 | u8 touch12_id; | |
55 | struct cyttsp_tch tch2; | |
56 | u8 gest_cnt; | |
57 | u8 gest_id; | |
58 | struct cyttsp_tch tch3; | |
59 | u8 touch34_id; | |
60 | struct cyttsp_tch tch4; | |
61 | u8 tt_undef[3]; | |
62 | u8 act_dist; | |
63 | u8 tt_reserved; | |
64 | } __packed; | |
65 | ||
66 | ||
67 | /* TTSP System Information interface definition */ | |
68 | struct cyttsp_sysinfo_data { | |
69 | u8 hst_mode; | |
4065d1e7 | 70 | u8 mfg_stat; |
d3bf073a | 71 | u8 mfg_cmd; |
4065d1e7 JMC |
72 | u8 cid[3]; |
73 | u8 tt_undef1; | |
74 | u8 uid[8]; | |
75 | u8 bl_verh; | |
76 | u8 bl_verl; | |
77 | u8 tts_verh; | |
78 | u8 tts_verl; | |
79 | u8 app_idh; | |
80 | u8 app_idl; | |
81 | u8 app_verh; | |
82 | u8 app_verl; | |
83 | u8 tt_undef[5]; | |
84 | u8 scn_typ; | |
85 | u8 act_intrvl; | |
86 | u8 tch_tmout; | |
87 | u8 lp_intrvl; | |
88 | }; | |
89 | ||
90 | /* TTSP Bootloader Register Map interface definition */ | |
91 | #define CY_BL_CHKSUM_OK 0x01 | |
92 | struct cyttsp_bootloader_data { | |
93 | u8 bl_file; | |
94 | u8 bl_status; | |
95 | u8 bl_error; | |
96 | u8 blver_hi; | |
97 | u8 blver_lo; | |
98 | u8 bld_blver_hi; | |
99 | u8 bld_blver_lo; | |
100 | u8 ttspver_hi; | |
101 | u8 ttspver_lo; | |
102 | u8 appid_hi; | |
103 | u8 appid_lo; | |
104 | u8 appver_hi; | |
105 | u8 appver_lo; | |
106 | u8 cid_0; | |
107 | u8 cid_1; | |
108 | u8 cid_2; | |
109 | }; | |
110 | ||
111 | struct cyttsp; | |
112 | ||
113 | struct cyttsp_bus_ops { | |
114 | u16 bustype; | |
62f548d0 | 115 | int (*write)(struct device *dev, u8 *xfer_buf, u16 addr, u8 length, |
9664877e | 116 | const void *values); |
62f548d0 | 117 | int (*read)(struct device *dev, u8 *xfer_buf, u16 addr, u8 length, |
9664877e | 118 | void *values); |
4065d1e7 JMC |
119 | }; |
120 | ||
121 | enum cyttsp_state { | |
122 | CY_IDLE_STATE, | |
123 | CY_ACTIVE_STATE, | |
124 | CY_BL_STATE, | |
125 | }; | |
126 | ||
127 | struct cyttsp { | |
128 | struct device *dev; | |
129 | int irq; | |
130 | struct input_dev *input; | |
131 | char phys[32]; | |
132 | const struct cyttsp_platform_data *pdata; | |
133 | const struct cyttsp_bus_ops *bus_ops; | |
134 | struct cyttsp_bootloader_data bl_data; | |
135 | struct cyttsp_sysinfo_data sysinfo_data; | |
136 | struct cyttsp_xydata xy_data; | |
137 | struct completion bl_ready; | |
138 | enum cyttsp_state state; | |
139 | bool suspended; | |
140 | ||
141 | u8 xfer_buf[] ____cacheline_aligned; | |
142 | }; | |
143 | ||
144 | struct cyttsp *cyttsp_probe(const struct cyttsp_bus_ops *bus_ops, | |
145 | struct device *dev, int irq, size_t xfer_buf_size); | |
146 | void cyttsp_remove(struct cyttsp *ts); | |
147 | ||
62f548d0 | 148 | int cyttsp_i2c_write_block_data(struct device *dev, u8 *xfer_buf, u16 addr, |
9664877e | 149 | u8 length, const void *values); |
62f548d0 | 150 | int cyttsp_i2c_read_block_data(struct device *dev, u8 *xfer_buf, u16 addr, |
9664877e | 151 | u8 length, void *values); |
4065d1e7 JMC |
152 | extern const struct dev_pm_ops cyttsp_pm_ops; |
153 | ||
154 | #endif /* __CYTTSP_CORE_H__ */ |