Lines Matching refs:opl4
31 static void inline snd_opl4_wait(struct snd_opl4 *opl4)
34 while ((inb(opl4->fm_port) & OPL4_STATUS_BUSY) && --timeout > 0)
38 void snd_opl4_write(struct snd_opl4 *opl4, u8 reg, u8 value)
40 snd_opl4_wait(opl4);
41 outb(reg, opl4->pcm_port);
43 snd_opl4_wait(opl4);
44 outb(value, opl4->pcm_port + 1);
49 u8 snd_opl4_read(struct snd_opl4 *opl4, u8 reg)
51 snd_opl4_wait(opl4);
52 outb(reg, opl4->pcm_port);
54 snd_opl4_wait(opl4);
55 return inb(opl4->pcm_port + 1);
60 void snd_opl4_read_memory(struct snd_opl4 *opl4, char *buf, int offset, int size)
65 spin_lock_irqsave(&opl4->reg_lock, flags);
67 memcfg = snd_opl4_read(opl4, OPL4_REG_MEMORY_CONFIGURATION);
68 snd_opl4_write(opl4, OPL4_REG_MEMORY_CONFIGURATION, memcfg | OPL4_MODE_BIT);
70 snd_opl4_write(opl4, OPL4_REG_MEMORY_ADDRESS_HIGH, offset >> 16);
71 snd_opl4_write(opl4, OPL4_REG_MEMORY_ADDRESS_MID, offset >> 8);
72 snd_opl4_write(opl4, OPL4_REG_MEMORY_ADDRESS_LOW, offset);
74 snd_opl4_wait(opl4);
75 outb(OPL4_REG_MEMORY_DATA, opl4->pcm_port);
76 snd_opl4_wait(opl4);
77 insb(opl4->pcm_port + 1, buf, size);
79 snd_opl4_write(opl4, OPL4_REG_MEMORY_CONFIGURATION, memcfg);
81 spin_unlock_irqrestore(&opl4->reg_lock, flags);
86 void snd_opl4_write_memory(struct snd_opl4 *opl4, const char *buf, int offset, int size)
91 spin_lock_irqsave(&opl4->reg_lock, flags);
93 memcfg = snd_opl4_read(opl4, OPL4_REG_MEMORY_CONFIGURATION);
94 snd_opl4_write(opl4, OPL4_REG_MEMORY_CONFIGURATION, memcfg | OPL4_MODE_BIT);
96 snd_opl4_write(opl4, OPL4_REG_MEMORY_ADDRESS_HIGH, offset >> 16);
97 snd_opl4_write(opl4, OPL4_REG_MEMORY_ADDRESS_MID, offset >> 8);
98 snd_opl4_write(opl4, OPL4_REG_MEMORY_ADDRESS_LOW, offset);
100 snd_opl4_wait(opl4);
101 outb(OPL4_REG_MEMORY_DATA, opl4->pcm_port);
102 snd_opl4_wait(opl4);
103 outsb(opl4->pcm_port + 1, buf, size);
105 snd_opl4_write(opl4, OPL4_REG_MEMORY_CONFIGURATION, memcfg);
107 spin_unlock_irqrestore(&opl4->reg_lock, flags);
112 static void snd_opl4_enable_opl4(struct snd_opl4 *opl4)
114 outb(OPL3_REG_MODE, opl4->fm_port + 2);
115 inb(opl4->fm_port);
116 inb(opl4->fm_port);
117 outb(OPL3_OPL3_ENABLE | OPL3_OPL4_ENABLE, opl4->fm_port + 3);
118 inb(opl4->fm_port);
119 inb(opl4->fm_port);
122 static int snd_opl4_detect(struct snd_opl4 *opl4)
126 snd_opl4_enable_opl4(opl4);
128 id1 = snd_opl4_read(opl4, OPL4_REG_MEMORY_CONFIGURATION);
132 opl4->hardware = OPL3_HW_OPL4;
135 opl4->hardware = OPL3_HW_OPL4_ML;
141 snd_opl4_write(opl4, OPL4_REG_MIX_CONTROL_FM, 0x00);
142 snd_opl4_write(opl4, OPL4_REG_MIX_CONTROL_PCM, 0xff);
143 id1 = snd_opl4_read(opl4, OPL4_REG_MIX_CONTROL_FM);
144 id2 = snd_opl4_read(opl4, OPL4_REG_MIX_CONTROL_PCM);
149 snd_opl4_write(opl4, OPL4_REG_MIX_CONTROL_FM, 0x3f);
150 snd_opl4_write(opl4, OPL4_REG_MIX_CONTROL_PCM, 0x3f);
151 snd_opl4_write(opl4, OPL4_REG_MEMORY_CONFIGURATION, 0x00);
159 struct snd_opl4 *opl4 = seq_dev->private_data;
160 opl4->seq_dev = NULL;
163 static int snd_opl4_create_seq_dev(struct snd_opl4 *opl4, int seq_device)
165 opl4->seq_dev_num = seq_device;
166 if (snd_seq_device_new(opl4->card, seq_device, SNDRV_SEQ_DEV_ID_OPL4,
167 sizeof(struct snd_opl4 *), &opl4->seq_dev) >= 0) {
168 strcpy(opl4->seq_dev->name, "OPL4 Wavetable");
169 *(struct snd_opl4 **)SNDRV_SEQ_DEVICE_ARGPTR(opl4->seq_dev) = opl4;
170 opl4->seq_dev->private_data = opl4;
171 opl4->seq_dev->private_free = snd_opl4_seq_dev_free;
177 static void snd_opl4_free(struct snd_opl4 *opl4)
180 snd_opl4_free_proc(opl4);
182 release_and_free_resource(opl4->res_fm_port);
183 release_and_free_resource(opl4->res_pcm_port);
184 kfree(opl4);
189 struct snd_opl4 *opl4 = device->device_data;
190 snd_opl4_free(opl4);
199 struct snd_opl4 *opl4;
211 opl4 = kzalloc(sizeof(*opl4), GFP_KERNEL);
212 if (!opl4)
215 opl4->res_fm_port = request_region(fm_port, 8, "OPL4 FM");
216 opl4->res_pcm_port = request_region(pcm_port, 8, "OPL4 PCM/MIX");
217 if (!opl4->res_fm_port || !opl4->res_pcm_port) {
218 snd_printk(KERN_ERR "opl4: can't grab ports 0x%lx, 0x%lx\n", fm_port, pcm_port);
219 snd_opl4_free(opl4);
223 opl4->card = card;
224 opl4->fm_port = fm_port;
225 opl4->pcm_port = pcm_port;
226 spin_lock_init(&opl4->reg_lock);
227 mutex_init(&opl4->access_mutex);
229 err = snd_opl4_detect(opl4);
231 snd_opl4_free(opl4);
236 err = snd_device_new(card, SNDRV_DEV_CODEC, opl4, &ops);
238 snd_opl4_free(opl4);
242 err = snd_opl3_create(card, fm_port, fm_port + 2, opl4->hardware, 1, &opl3);
244 snd_device_free(card, opl4);
248 /* opl3 initialization disabled opl4, so reenable */
249 snd_opl4_enable_opl4(opl4);
251 snd_opl4_create_mixer(opl4);
253 snd_opl4_create_proc(opl4);
258 opl4->seq_client = -1;
259 if (opl4->hardware < OPL3_HW_OPL4_ML)
260 snd_opl4_create_seq_dev(opl4, seq_device);
266 *ropl4 = opl4;