68 #define CMD(m,d)	MPUFOI_WRITE(m, m->cookie, MPU_CMDPORT,d)  argument
69 #define STATUS(m)	MPUFOI_READ(m, m->cookie, MPU_STATPORT)  argument
70 #define READ(m)		MPUFOI_READ(m, m->cookie, MPU_DATAPORT)  argument
71 #define WRITE(m,d)	MPUFOI_WRITE(m, m->cookie, MPU_DATAPORT,d)  argument
82 static void mpu401_timeout(void *m);
111 	struct mpu401 *m = (struct mpu401 *)a;  in mpu401_timeout()  local
113 	if (m->si)  in mpu401_timeout()
114 		(m->si)(m->cookie);  in mpu401_timeout()
118 mpu401_intr(struct mpu401 *m)  in mpu401_intr()  argument
128 #define RXRDY(m) ( (STATUS(m) & MPU_INPUTBUSY) == 0)  in mpu401_intr()  argument
129 #define TXRDY(m) ( (STATUS(m) & MPU_OUTPUTBUSY) == 0)  in mpu401_intr()  argument
136 	s = STATUS(m);  in mpu401_intr()
139 		b[i] = READ(m);  in mpu401_intr()
144 		s = STATUS(m);  in mpu401_intr()
147 		midi_in(m->mid, b, i);  in mpu401_intr()
150 		if (midi_out(m->mid, b, 1)) {  in mpu401_intr()
155 			WRITE(m, *b);  in mpu401_intr()
164 		s = STATUS(m);  in mpu401_intr()
167 	if ((m->flags & M_TXEN) && (m->si)) {  in mpu401_intr()
168 		callout_reset(&m->timer, 1, mpu401_timeout, m);  in mpu401_intr()
170 	return (m->flags & M_TXEN) == M_TXEN;  in mpu401_intr()
177 	struct mpu401 *m;  in mpu401_init()  local
180 	m = malloc(sizeof(*m), M_MIDI, M_NOWAIT | M_ZERO);  in mpu401_init()
182 	if (!m)  in mpu401_init()
185 	kobj_init((kobj_t)m, cls);  in mpu401_init()
187 	callout_init(&m->timer, 1);  in mpu401_init()
189 	m->si = softintr;  in mpu401_init()
190 	m->cookie = cookie;  in mpu401_init()
191 	m->flags = 0;  in mpu401_init()
193 	m->mid = midi_init(&mpu401_class, 0, 0, m);  in mpu401_init()
194 	if (!m->mid)  in mpu401_init()
197 	return m;  in mpu401_init()
200 	free(m, M_MIDI);  in mpu401_init()
205 mpu401_uninit(struct mpu401 *m)  in mpu401_uninit()  argument
209 	CMD(m, MPU_RESET);  in mpu401_uninit()
210 	retval = midi_uninit(m->mid);  in mpu401_uninit()
213 	free(m, M_MIDI);  in mpu401_uninit()
220 	struct mpu401 *m = arg;  in mpu401_minit()  local
223 	CMD(m, MPU_RESET);  in mpu401_minit()
224 	CMD(m, MPU_UART);  in mpu401_minit()
228 		if (RXRDY(m))  in mpu401_minit()
229 			if (READ(m) == MPU_ACK)  in mpu401_minit()
234 		CMD(m, MPU_UART);  in mpu401_minit()
244 	struct mpu401 *m = arg;  in mpu401_muninit()  local
246 	return MPUFOI_UNINIT(m, m->cookie);  in mpu401_muninit()
264 	struct mpu401 *m = arg;  in mpu401_mcallback()  local
272 	if (flags & M_TXEN && m->si) {  in mpu401_mcallback()
273 		callout_reset(&m->timer, 1, mpu401_timeout, m);  in mpu401_mcallback()
275 	m->flags = flags;  in mpu401_mcallback()
293 mpu401_mprovider(struct snd_midi *m, void *arg)  in mpu401_mprovider()  argument