Lines Matching refs:mpu
1194 static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx)
1196 return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0);
1199 static inline void mpu401_write(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int data, int idx)
1201 snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data);
1204 #define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0)
1205 #define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1)
1206 #define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0)
1207 #define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1)
1209 #define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80))
1210 #define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40))
1216 static void mpu401_clear_rx(struct emu10k1x *emu, struct emu10k1x_midi *mpu)
1219 for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--)
1220 mpu401_read_data(emu, mpu);
1225 mpu401_read_stat(emu, mpu));