projects / linux-2.6-block.git / blame
| 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]; | |
| 4065d1e7 JMC |
132 | const struct cyttsp_bus_ops *bus_ops; |
| 133 | struct cyttsp_bootloader_data bl_data; | |
| 134 | struct cyttsp_sysinfo_data sysinfo_data; | |
| 135 | struct cyttsp_xydata xy_data; | |
| 136 | struct completion bl_ready; | |
| 137 | enum cyttsp_state state; | |
| 138 | bool suspended; | |
| 139 | ||
| 707b61bb OS |
140 | struct gpio_desc *reset_gpio; |
| 141 | bool use_hndshk; | |
| 142 | u8 act_dist; | |
| 143 | u8 act_intrvl; | |
| 144 | u8 tch_tmout; | |
| 145 | u8 lp_intrvl; | |
| 146 | u8 *bl_keys; | |
| 147 | ||
| 4065d1e7 JMC |
148 | u8 xfer_buf[] ____cacheline_aligned; |
| 149 | }; | |
| 150 | ||
| 151 | struct cyttsp *cyttsp_probe(const struct cyttsp_bus_ops *bus_ops, | |
| 152 | struct device *dev, int irq, size_t xfer_buf_size); | |
| 4065d1e7 | 153 | |
| 62f548d0 | 154 | int cyttsp_i2c_write_block_data(struct device *dev, u8 *xfer_buf, u16 addr, |
| 9664877e | 155 | u8 length, const void *values); |
| 62f548d0 | 156 | int cyttsp_i2c_read_block_data(struct device *dev, u8 *xfer_buf, u16 addr, |
| 9664877e | 157 | u8 length, void *values); |
| 4065d1e7 JMC |
158 | extern const struct dev_pm_ops cyttsp_pm_ops; |
| 159 | ||
| 160 | #endif /* __CYTTSP_CORE_H__ */ |