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mpu401.c (166322) mpu401.c (166971)
1/*-
2 * Copyright (c) 2003 Mathew Kanner
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2003 Mathew Kanner
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/dev/sound/midi/mpu401.c 166322 2007-01-28 20:38:07Z joel $");
28__FBSDID("$FreeBSD: head/sys/dev/sound/midi/mpu401.c 166971 2007-02-25 13:51:52Z netchild $");
29
30#include <sys/param.h>
31#include <sys/types.h>
32#include <sys/param.h>
33#include <sys/queue.h>
34#include <sys/kernel.h>
35#include <sys/lock.h>
36#include <sys/mutex.h>
37#include <sys/proc.h>
38#include <sys/systm.h>
39#include <sys/kobj.h>
40#include <sys/malloc.h>
29
30#include <sys/param.h>
31#include <sys/types.h>
32#include <sys/param.h>
33#include <sys/queue.h>
34#include <sys/kernel.h>
35#include <sys/lock.h>
36#include <sys/mutex.h>
37#include <sys/proc.h>
38#include <sys/systm.h>
39#include <sys/kobj.h>
40#include <sys/malloc.h>
41#include <sys/bus.h> /* to get driver_intr_t */
41#include <sys/bus.h> /* to get driver_intr_t */
42
43#include <dev/sound/midi/mpu401.h>
44#include <dev/sound/midi/midi.h>
45
46#include "mpu_if.h"
47#include "mpufoi_if.h"
48
49#define MPU_DATAPORT 0

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61#define CMD(m,d) MPUFOI_WRITE(m, m->cookie, MPU_CMDPORT,d)
62#define STATUS(m) MPUFOI_READ(m, m->cookie, MPU_STATPORT)
63#define READ(m) MPUFOI_READ(m, m->cookie, MPU_DATAPORT)
64#define WRITE(m,d) MPUFOI_WRITE(m, m->cookie, MPU_DATAPORT,d)
65
66struct mpu401 {
67 KOBJ_FIELDS;
68 struct snd_midi *mid;
42
43#include <dev/sound/midi/mpu401.h>
44#include <dev/sound/midi/midi.h>
45
46#include "mpu_if.h"
47#include "mpufoi_if.h"
48
49#define MPU_DATAPORT 0

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61#define CMD(m,d) MPUFOI_WRITE(m, m->cookie, MPU_CMDPORT,d)
62#define STATUS(m) MPUFOI_READ(m, m->cookie, MPU_STATPORT)
63#define READ(m) MPUFOI_READ(m, m->cookie, MPU_DATAPORT)
64#define WRITE(m,d) MPUFOI_WRITE(m, m->cookie, MPU_DATAPORT,d)
65
66struct mpu401 {
67 KOBJ_FIELDS;
68 struct snd_midi *mid;
69 int flags;
69 int flags;
70 driver_intr_t *si;
70 driver_intr_t *si;
71 void *cookie;
71 void *cookie;
72 struct callout timer;
73};
74
72 struct callout timer;
73};
74
75static void mpu401_timeout(void *m) ;
75static void mpu401_timeout(void *m);
76static mpu401_intr_t mpu401_intr;
77
78static int mpu401_minit(kobj_t obj, struct mpu401 *m);
79static int mpu401_muninit(kobj_t obj, struct mpu401 *m);
80static int mpu401_minqsize(kobj_t obj, struct mpu401 *m);
81static int mpu401_moutqsize(kobj_t obj, struct mpu401 *m);
82static void mpu401_mcallback(kobj_t obj, struct mpu401 *m, int flags);
83static void mpu401_mcallbackp(kobj_t obj, struct mpu401 *m, int flags);
84static const char *mpu401_mdescr(kobj_t obj, struct mpu401 *m, int verbosity);
85static const char *mpu401_mprovider(kobj_t obj, struct mpu401 *m);
86
87static kobj_method_t mpu401_methods[] = {
76static mpu401_intr_t mpu401_intr;
77
78static int mpu401_minit(kobj_t obj, struct mpu401 *m);
79static int mpu401_muninit(kobj_t obj, struct mpu401 *m);
80static int mpu401_minqsize(kobj_t obj, struct mpu401 *m);
81static int mpu401_moutqsize(kobj_t obj, struct mpu401 *m);
82static void mpu401_mcallback(kobj_t obj, struct mpu401 *m, int flags);
83static void mpu401_mcallbackp(kobj_t obj, struct mpu401 *m, int flags);
84static const char *mpu401_mdescr(kobj_t obj, struct mpu401 *m, int verbosity);
85static const char *mpu401_mprovider(kobj_t obj, struct mpu401 *m);
86
87static kobj_method_t mpu401_methods[] = {
88 KOBJMETHOD(mpu_init,mpu401_minit),
89 KOBJMETHOD(mpu_uninit,mpu401_muninit),
90 KOBJMETHOD(mpu_inqsize,mpu401_minqsize),
91 KOBJMETHOD(mpu_outqsize,mpu401_moutqsize),
92 KOBJMETHOD(mpu_callback,mpu401_mcallback),
93 KOBJMETHOD(mpu_callbackp,mpu401_mcallbackp),
94 KOBJMETHOD(mpu_descr,mpu401_mdescr),
95 KOBJMETHOD(mpu_provider,mpu401_mprovider),
96 { 0, 0 }
88 KOBJMETHOD(mpu_init, mpu401_minit),
89 KOBJMETHOD(mpu_uninit, mpu401_muninit),
90 KOBJMETHOD(mpu_inqsize, mpu401_minqsize),
91 KOBJMETHOD(mpu_outqsize, mpu401_moutqsize),
92 KOBJMETHOD(mpu_callback, mpu401_mcallback),
93 KOBJMETHOD(mpu_callbackp, mpu401_mcallbackp),
94 KOBJMETHOD(mpu_descr, mpu401_mdescr),
95 KOBJMETHOD(mpu_provider, mpu401_mprovider),
96 {0, 0}
97};
98
99DEFINE_CLASS(mpu401, mpu401_methods, 0);
100
101void
97};
98
99DEFINE_CLASS(mpu401, mpu401_methods, 0);
100
101void
102mpu401_timeout(void *a)
103{ struct mpu401 *m=(struct mpu401 *)a;
102mpu401_timeout(void *a)
103{
104 struct mpu401 *m = (struct mpu401 *)a;
104
105 if (m->si)
106 (m->si)(m->cookie);
107
108}
109static int
110mpu401_intr(struct mpu401 *m)
111{
112#define MPU_INTR_BUF 16
113 MIDI_TYPE b[MPU_INTR_BUF];
114 int i;
115 int s;
105
106 if (m->si)
107 (m->si)(m->cookie);
108
109}
110static int
111mpu401_intr(struct mpu401 *m)
112{
113#define MPU_INTR_BUF 16
114 MIDI_TYPE b[MPU_INTR_BUF];
115 int i;
116 int s;
117
116/*
117 printf("mpu401_intr\n");
118*/
119#define RXRDY(m) ( (STATUS(m) & MPU_INPUTBUSY) == 0)
120#define TXRDY(m) ( (STATUS(m) & MPU_OUTPUTBUSY) == 0)
121#if 0
122#define D(x,l) printf("mpu401_intr %d %x %s %s\n",l, x, x&MPU_INPUTBUSY?"RX":"", x&MPU_OUTPUTBUSY?"TX":"")
123#else
124#define D(x,l)
125#endif
118/*
119 printf("mpu401_intr\n");
120*/
121#define RXRDY(m) ( (STATUS(m) & MPU_INPUTBUSY) == 0)
122#define TXRDY(m) ( (STATUS(m) & MPU_OUTPUTBUSY) == 0)
123#if 0
124#define D(x,l) printf("mpu401_intr %d %x %s %s\n",l, x, x&MPU_INPUTBUSY?"RX":"", x&MPU_OUTPUTBUSY?"TX":"")
125#else
126#define D(x,l)
127#endif
126 i=0;
128 i = 0;
127 s = STATUS(m);
129 s = STATUS(m);
128 D(s,1);
129 while ( (s&MPU_INPUTBUSY) == 0 && i<MPU_INTR_BUF) {
130 b[i]=READ(m);
130 D(s, 1);
131 while ((s & MPU_INPUTBUSY) == 0 && i < MPU_INTR_BUF) {
132 b[i] = READ(m);
131/*
132 printf("mpu401_intr in i %d d %d\n", i, b[i]);
133*/
134 i++;
133/*
134 printf("mpu401_intr in i %d d %d\n", i, b[i]);
135*/
136 i++;
135 s = STATUS(m);
137 s = STATUS(m);
136 }
138 }
137 if (i) midi_in(m->mid, b, i);
138 i=0;
139 while ( !(s&MPU_OUTPUTBUSY) && i<MPU_INTR_BUF) {
140 if(midi_out(m->mid, b, 1)) {
139 if (i)
140 midi_in(m->mid, b, i);
141 i = 0;
142 while (!(s & MPU_OUTPUTBUSY) && i < MPU_INTR_BUF) {
143 if (midi_out(m->mid, b, 1)) {
141/*
142 printf("mpu401_intr out i %d d %d\n", i, b[0]);
143*/
144/*
145 printf("mpu401_intr out i %d d %d\n", i, b[0]);
146*/
144
147
145 WRITE(m, *b);
148 WRITE(m, *b);
146 }
147 else {
149 } else {
148/*
149 printf("mpu401_intr write: no output\n");
150*/
151 return 0;
152 }
153 i++;
150/*
151 printf("mpu401_intr write: no output\n");
152*/
153 return 0;
154 }
155 i++;
154 /* DELAY(100); */
155 s = STATUS(m);
156 /* DELAY(100); */
157 s = STATUS(m);
156 }
157
158 }
159
158 if ((m->flags & M_TXEN) && (m->si) ) {
159 callout_reset(&m->timer, 1, mpu401_timeout, m);
160 if ((m->flags & M_TXEN) && (m->si)) {
161 callout_reset(&m->timer, 1, mpu401_timeout, m);
160 }
162 }
161
162 return (m->flags & M_TXEN) == M_TXEN;
163}
164
165struct mpu401 *
163 return (m->flags & M_TXEN) == M_TXEN;
164}
165
166struct mpu401 *
166mpu401_init(kobj_class_t cls, void *cookie,driver_intr_t softintr, mpu401_intr_t **cb)
167mpu401_init(kobj_class_t cls, void *cookie, driver_intr_t softintr,
168 mpu401_intr_t ** cb)
167{
168 struct mpu401 *m;
169
170 *cb = NULL;
171 m = malloc(sizeof(*m), M_MIDI, M_NOWAIT | M_ZERO);
172
169{
170 struct mpu401 *m;
171
172 *cb = NULL;
173 m = malloc(sizeof(*m), M_MIDI, M_NOWAIT | M_ZERO);
174
173 if(!m)
175 if (!m)
174 return NULL;
175
176 kobj_init((kobj_t)m, cls);
177
178 callout_init(&m->timer, 1);
179
180 m->si = softintr;
181 m->cookie = cookie;
182 m->flags = 0;
183
176 return NULL;
177
178 kobj_init((kobj_t)m, cls);
179
180 callout_init(&m->timer, 1);
181
182 m->si = softintr;
183 m->cookie = cookie;
184 m->flags = 0;
185
184 m->mid = midi_init(&mpu401_class,0,0,m);
186 m->mid = midi_init(&mpu401_class, 0, 0, m);
185 if (!m->mid)
186 goto err;
187 *cb = mpu401_intr;
188 return m;
189err:
190 printf("mpu401_init error\n");
191 free(m, M_MIDI);
192 return NULL;

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208static int
209mpu401_minit(kobj_t obj, struct mpu401 *m)
210{
211 int i;
212
213 CMD(m, MPU_RESET);
214 CMD(m, MPU_UART);
215 return 0;
187 if (!m->mid)
188 goto err;
189 *cb = mpu401_intr;
190 return m;
191err:
192 printf("mpu401_init error\n");
193 free(m, M_MIDI);
194 return NULL;

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210static int
211mpu401_minit(kobj_t obj, struct mpu401 *m)
212{
213 int i;
214
215 CMD(m, MPU_RESET);
216 CMD(m, MPU_UART);
217 return 0;
216 i=0;
217 while(++i<2000) {
218 if(RXRDY(m))
219 if(READ(m) == MPU_ACK)
218 i = 0;
219 while (++i < 2000) {
220 if (RXRDY(m))
221 if (READ(m) == MPU_ACK)
220 break;
221 }
222
222 break;
223 }
224
223 if( i < 2000 ) {
225 if (i < 2000) {
224 CMD(m, MPU_UART);
225 return 0;
226 }
227 printf("mpu401_minit failed active sensing\n");
228 return 1;
229}
230
231

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247{
248 return 128;
249}
250
251static void
252mpu401_mcallback(kobj_t obj, struct mpu401 *m, int flags)
253{
254#if 0
226 CMD(m, MPU_UART);
227 return 0;
228 }
229 printf("mpu401_minit failed active sensing\n");
230 return 1;
231}
232
233

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249{
250 return 128;
251}
252
253static void
254mpu401_mcallback(kobj_t obj, struct mpu401 *m, int flags)
255{
256#if 0
255 printf("mpu401_callback %s %s %s %s\n",
256 flags & M_RX ? "M_RX" : "",
257 flags & M_TX ? "M_TX" : "",
258 flags & M_RXEN ? "M_RXEN" : "",
259 flags & M_TXEN ? "M_TXEN" : "" );
257 printf("mpu401_callback %s %s %s %s\n",
258 flags & M_RX ? "M_RX" : "",
259 flags & M_TX ? "M_TX" : "",
260 flags & M_RXEN ? "M_RXEN" : "",
261 flags & M_TXEN ? "M_TXEN" : "");
260#endif
261 if (flags & M_TXEN && m->si) {
262 callout_reset(&m->timer, 1, mpu401_timeout, m);
263 }
262#endif
263 if (flags & M_TXEN && m->si) {
264 callout_reset(&m->timer, 1, mpu401_timeout, m);
265 }
264
265 m->flags = flags;
266}
267
268static void
269mpu401_mcallbackp(kobj_t obj, struct mpu401 *m, int flags)
270{
271/* printf("mpu401_callbackp\n"); */
272 mpu401_mcallback(obj, m, flags);

--- 14 unchanged lines hidden --- 		266 m->flags = flags;
267}
268
269static void
270mpu401_mcallbackp(kobj_t obj, struct mpu401 *m, int flags)
271{
272/* printf("mpu401_callbackp\n"); */
273 mpu401_mcallback(obj, m, flags);

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