1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * dst-bt878.h: part of the DST driver for the TwinHan DST Frontend 4 * 5 * Copyright (C) 2003 Jamie Honan 6 */ 7 8 struct dst_gpio_enable { 9 u32 mask; 10 u32 enable; 11 }; 12 13 struct dst_gpio_output { 14 u32 mask; 15 u32 highvals; 16 }; 17 18 struct dst_gpio_read { 19 unsigned long value; 20 }; 21 22 union dst_gpio_packet { 23 struct dst_gpio_enable enb; 24 struct dst_gpio_output outp; 25 struct dst_gpio_read rd; 26 int psize; 27 }; 28 29 #define DST_IG_ENABLE 0 30 #define DST_IG_WRITE 1 31 #define DST_IG_READ 2 32 #define DST_IG_TS 3 33 34 struct bt878; 35 36 int bt878_device_control(struct bt878 *bt, unsigned int cmd, union dst_gpio_packet *mp); 37