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