mpu401.c (166322) | mpu401.c (166971) |
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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 --- 11 unchanged lines hidden (view full) --- 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 --- 11 unchanged lines hidden (view full) --- 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 --- 11 unchanged lines hidden (view full) --- 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 --- 11 unchanged lines hidden (view full) --- 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; --- 15 unchanged lines hidden (view full) --- 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; --- 15 unchanged lines hidden (view full) --- 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 --- 15 unchanged lines hidden (view full) --- 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 --- 15 unchanged lines hidden (view full) --- 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); --- 14 unchanged lines hidden --- |