| | 1 | #ifndef W83977AF_H |
| | 2 | #define W83977AF_H |
| | 3 | |
| | 4 | #define W977_EFIO_BASE 0x370 |
| | 5 | #define W977_EFIO2_BASE 0x3f0 |
| | 6 | #define W977_DEVICE_IR 0x06 |
| | 7 | |
| | 8 | |
| | 9 | /* |
| | 10 | * Enter extended function mode |
| | 11 | */ |
| | 12 | static inline void w977_efm_enter(unsigned int efio) |
| | 13 | { |
| | 14 | outb(0x87, efio); |
| | 15 | outb(0x87, efio); |
| | 16 | } |
| | 17 | |
| | 18 | /* |
| | 19 | * Select a device to configure |
| | 20 | */ |
| | 21 | |
| | 22 | static inline void w977_select_device(__u8 devnum, unsigned int efio) |
| | 23 | { |
| | 24 | outb(0x07, efio); |
| | 25 | outb(devnum, efio+1); |
| | 26 | } |
| | 27 | |
| | 28 | /* |
| | 29 | * Write a byte to a register |
| | 30 | */ |
| | 31 | static inline void w977_write_reg(__u8 reg, __u8 value, unsigned int efio) |
| | 32 | { |
| | 33 | outb(reg, efio); |
| | 34 | outb(value, efio+1); |
| | 35 | } |
| | 36 | |
| | 37 | /* |
| | 38 | * read a byte from a register |
| | 39 | */ |
| | 40 | static inline __u8 w977_read_reg(__u8 reg, unsigned int efio) |
| | 41 | { |
| | 42 | outb(reg, efio); |
| | 43 | return inb(efio+1); |
| | 44 | } |
| | 45 | |
| | 46 | /* |
| | 47 | * Exit extended function mode |
| | 48 | */ |
| | 49 | static inline void w977_efm_exit(unsigned int efio) |
| | 50 | { |
| | 51 | outb(0xAA, efio); |
| | 52 | } |
| | 53 | #endif |
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame_incremental