23 static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches);
25 int snd_gus_use_inc(struct snd_gus_card * gus)  in snd_gus_use_inc()  argument
27 	if (!try_module_get(gus->card->module))  in snd_gus_use_inc()
32 void snd_gus_use_dec(struct snd_gus_card * gus)  in snd_gus_use_dec()  argument
34 	module_put(gus->card->module);  in snd_gus_use_dec()
48 	struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);  in snd_gus_joystick_get()  local
50 	ucontrol->value.integer.value[0] = gus->joystick_dac & 31;  in snd_gus_joystick_get()
56 	struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);  in snd_gus_joystick_put()  local
62 	spin_lock_irqsave(&gus->reg_lock, flags);  in snd_gus_joystick_put()
63 	change = gus->joystick_dac != nval;  in snd_gus_joystick_put()
64 	gus->joystick_dac = nval;  in snd_gus_joystick_put()
65 	snd_gf1_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac);  in snd_gus_joystick_put()
66 	spin_unlock_irqrestore(&gus->reg_lock, flags);  in snd_gus_joystick_put()
78 static void snd_gus_init_control(struct snd_gus_card *gus)  in snd_gus_init_control()  argument
80 	if (!gus->ace_flag)  in snd_gus_init_control()
81 		snd_ctl_add(gus->card, snd_ctl_new1(&snd_gus_joystick_control, gus));  in snd_gus_init_control()
88 static int snd_gus_free(struct snd_gus_card *gus)  in snd_gus_free()  argument
90 	if (gus->gf1.res_port2 == NULL)  in snd_gus_free()
92 	snd_gf1_stop(gus);  in snd_gus_free()
93 	snd_gus_init_dma_irq(gus, 0);  in snd_gus_free()
95 	release_and_free_resource(gus->gf1.res_port1);  in snd_gus_free()
96 	release_and_free_resource(gus->gf1.res_port2);  in snd_gus_free()
97 	if (gus->gf1.irq >= 0)  in snd_gus_free()
98 		free_irq(gus->gf1.irq, (void *) gus);  in snd_gus_free()
99 	if (gus->gf1.dma1 >= 0) {  in snd_gus_free()
100 		disable_dma(gus->gf1.dma1);  in snd_gus_free()
101 		free_dma(gus->gf1.dma1);  in snd_gus_free()
103 	if (!gus->equal_dma && gus->gf1.dma2 >= 0) {  in snd_gus_free()
104 		disable_dma(gus->gf1.dma2);  in snd_gus_free()
105 		free_dma(gus->gf1.dma2);  in snd_gus_free()
107 	kfree(gus);  in snd_gus_free()
113 	struct snd_gus_card *gus = device->device_data;  in snd_gus_dev_free()  local
114 	return snd_gus_free(gus);  in snd_gus_dev_free()
126 	struct snd_gus_card *gus;  in snd_gus_create()  local
133 	gus = kzalloc(sizeof(*gus), GFP_KERNEL);  in snd_gus_create()
134 	if (gus == NULL)  in snd_gus_create()
136 	spin_lock_init(&gus->reg_lock);  in snd_gus_create()
137 	spin_lock_init(&gus->voice_alloc);  in snd_gus_create()
138 	spin_lock_init(&gus->active_voice_lock);  in snd_gus_create()
139 	spin_lock_init(&gus->event_lock);  in snd_gus_create()
140 	spin_lock_init(&gus->dma_lock);  in snd_gus_create()
141 	spin_lock_init(&gus->pcm_volume_level_lock);  in snd_gus_create()
142 	spin_lock_init(&gus->uart_cmd_lock);  in snd_gus_create()
143 	mutex_init(&gus->dma_mutex);  in snd_gus_create()
144 	gus->gf1.irq = -1;  in snd_gus_create()
145 	gus->gf1.dma1 = -1;  in snd_gus_create()
146 	gus->gf1.dma2 = -1;  in snd_gus_create()
147 	gus->card = card;  in snd_gus_create()
148 	gus->gf1.port = port;  in snd_gus_create()
150 	gus->gf1.reg_page = GUSP(gus, GF1PAGE);  in snd_gus_create()
151 	gus->gf1.reg_regsel = GUSP(gus, GF1REGSEL);  in snd_gus_create()
152 	gus->gf1.reg_data8 = GUSP(gus, GF1DATAHIGH);  in snd_gus_create()
153 	gus->gf1.reg_data16 = GUSP(gus, GF1DATALOW);  in snd_gus_create()
154 	gus->gf1.reg_irqstat = GUSP(gus, IRQSTAT);  in snd_gus_create()
155 	gus->gf1.reg_dram = GUSP(gus, DRAM);  in snd_gus_create()
156 	gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL);  in snd_gus_create()
157 	gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA);  in snd_gus_create()
159 	if ((gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)")) == NULL) {  in snd_gus_create()
161 		snd_gus_free(gus);  in snd_gus_create()
164 	if ((gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)")) == NULL) {  in snd_gus_create()
166 		snd_gus_free(gus);  in snd_gus_create()
169 	if (irq >= 0 && request_irq(irq, snd_gus_interrupt, 0, "GUS GF1", (void *) gus)) {  in snd_gus_create()
171 		snd_gus_free(gus);  in snd_gus_create()
174 	gus->gf1.irq = irq;  in snd_gus_create()
178 		snd_gus_free(gus);  in snd_gus_create()
181 	gus->gf1.dma1 = dma1;  in snd_gus_create()
185 			snd_gus_free(gus);  in snd_gus_create()
188 		gus->gf1.dma2 = dma2;  in snd_gus_create()
190 		gus->gf1.dma2 = gus->gf1.dma1;  in snd_gus_create()
191 		gus->equal_dma = 1;  in snd_gus_create()
193 	gus->timer_dev = timer_dev;  in snd_gus_create()
204 	gus->gf1.effect = effect ? 1 : 0;  in snd_gus_create()
205 	gus->gf1.active_voices = voices;  in snd_gus_create()
206 	gus->gf1.pcm_channels = pcm_channels;  in snd_gus_create()
207 	gus->gf1.volume_ramp = 25;  in snd_gus_create()
208 	gus->gf1.smooth_pan = 1;  in snd_gus_create()
209 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops)) < 0) {  in snd_gus_create()
210 		snd_gus_free(gus);  in snd_gus_create()
213 	*rgus = gus;  in snd_gus_create()
221 static int snd_gus_detect_memory(struct snd_gus_card * gus)  in snd_gus_detect_memory()  argument
226 	snd_gf1_poke(gus, 0L, 0xaa);  in snd_gus_detect_memory()
227 	snd_gf1_poke(gus, 1L, 0x55);  in snd_gus_detect_memory()
228 	if (snd_gf1_peek(gus, 0L) != 0xaa || snd_gf1_peek(gus, 1L) != 0x55) {  in snd_gus_detect_memory()
229 		snd_printk(KERN_ERR "plain GF1 card at 0x%lx without onboard DRAM?\n", gus->gf1.port);  in snd_gus_detect_memory()
234 		snd_gf1_poke(gus, local, d);  in snd_gus_detect_memory()
235 		snd_gf1_poke(gus, local + 1, d + 1);  in snd_gus_detect_memory()
236 		if (snd_gf1_peek(gus, local) != d ||  in snd_gus_detect_memory()
237 		    snd_gf1_peek(gus, local + 1) != d + 1 ||  in snd_gus_detect_memory()
238 		    snd_gf1_peek(gus, 0L) != 0xaa)  in snd_gus_detect_memory()
242 	gus->gf1.memory = idx << 18;  in snd_gus_detect_memory()
244 	gus->gf1.memory = 256 * 1024;  in snd_gus_detect_memory()
246 	for (l = 0, local = gus->gf1.memory; l < 4; l++, local -= 256 * 1024) {  in snd_gus_detect_memory()
247 		gus->gf1.mem_alloc.banks_8[l].address =  in snd_gus_detect_memory()
248 		    gus->gf1.mem_alloc.banks_8[l].size = 0;  in snd_gus_detect_memory()
249 		gus->gf1.mem_alloc.banks_16[l].address = l << 18;  in snd_gus_detect_memory()
250 		gus->gf1.mem_alloc.banks_16[l].size = local > 0 ? 256 * 1024 : 0;  in snd_gus_detect_memory()
252 	gus->gf1.mem_alloc.banks_8[0].size = gus->gf1.memory;  in snd_gus_detect_memory()
256 static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches)  in snd_gus_init_dma_irq()  argument
266 	if (snd_BUG_ON(!gus))  in snd_gus_init_dma_irq()
268 	card = gus->card;  in snd_gus_init_dma_irq()
272 	gus->mix_cntrl_reg &= 0xf8;  in snd_gus_init_dma_irq()
273 	gus->mix_cntrl_reg |= 0x01;	/* disable MIC, LINE IN, enable LINE OUT */  in snd_gus_init_dma_irq()
274 	if (gus->codec_flag || gus->ess_flag) {  in snd_gus_init_dma_irq()
275 		gus->mix_cntrl_reg &= ~1;	/* enable LINE IN */  in snd_gus_init_dma_irq()
276 		gus->mix_cntrl_reg |= 4;	/* enable MIC */  in snd_gus_init_dma_irq()
278 	dma1 = gus->gf1.dma1;  in snd_gus_init_dma_irq()
281 	dma2 = gus->gf1.dma2;  in snd_gus_init_dma_irq()
284 	dma1 |= gus->equal_dma ? 0x40 : (dma2 << 3);  in snd_gus_init_dma_irq()
290 	irq = gus->gf1.irq;  in snd_gus_init_dma_irq()
302 	spin_lock_irqsave(&gus->reg_lock, flags);  in snd_gus_init_dma_irq()
303 	outb(5, GUSP(gus, REGCNTRLS));  in snd_gus_init_dma_irq()
304 	outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));  in snd_gus_init_dma_irq()
305 	outb(0x00, GUSP(gus, IRQDMACNTRLREG));  in snd_gus_init_dma_irq()
306 	outb(0, GUSP(gus, REGCNTRLS));  in snd_gus_init_dma_irq()
307 	spin_unlock_irqrestore(&gus->reg_lock, flags);  in snd_gus_init_dma_irq()
311 	spin_lock_irqsave(&gus->reg_lock, flags);  in snd_gus_init_dma_irq()
312 	outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));  in snd_gus_init_dma_irq()
313 	outb(dma1, GUSP(gus, IRQDMACNTRLREG));  in snd_gus_init_dma_irq()
315 		outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));  in snd_gus_init_dma_irq()
316 		outb(irq, GUSP(gus, IRQDMACNTRLREG));  in snd_gus_init_dma_irq()
318 	spin_unlock_irqrestore(&gus->reg_lock, flags);  in snd_gus_init_dma_irq()
322 	spin_lock_irqsave(&gus->reg_lock, flags);  in snd_gus_init_dma_irq()
323 	outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));  in snd_gus_init_dma_irq()
324 	outb(dma1, GUSP(gus, IRQDMACNTRLREG));  in snd_gus_init_dma_irq()
326 		outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));  in snd_gus_init_dma_irq()
327 		outb(irq, GUSP(gus, IRQDMACNTRLREG));  in snd_gus_init_dma_irq()
329 	spin_unlock_irqrestore(&gus->reg_lock, flags);  in snd_gus_init_dma_irq()
331 	snd_gf1_delay(gus);  in snd_gus_init_dma_irq()
334 		gus->mix_cntrl_reg |= 0x08;	/* enable latches */  in snd_gus_init_dma_irq()
336 		gus->mix_cntrl_reg &= ~0x08;	/* disable latches */  in snd_gus_init_dma_irq()
337 	spin_lock_irqsave(&gus->reg_lock, flags);  in snd_gus_init_dma_irq()
338 	outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));  in snd_gus_init_dma_irq()
339 	outb(0, GUSP(gus, GF1PAGE));  in snd_gus_init_dma_irq()
340 	spin_unlock_irqrestore(&gus->reg_lock, flags);  in snd_gus_init_dma_irq()
345 static int snd_gus_check_version(struct snd_gus_card * gus)  in snd_gus_check_version()  argument
351 	card = gus->card;  in snd_gus_check_version()
352 	spin_lock_irqsave(&gus->reg_lock, flags);  in snd_gus_check_version()
353 	outb(0x20, GUSP(gus, REGCNTRLS));  in snd_gus_check_version()
354 	val = inb(GUSP(gus, REGCNTRLS));  in snd_gus_check_version()
355 	rev = inb(GUSP(gus, BOARDVERSION));  in snd_gus_check_version()
356 	spin_unlock_irqrestore(&gus->reg_lock, flags);  in snd_gus_check_version()
357 	snd_printdd("GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev);  in snd_gus_check_version()
362 			gus->ics_flag = 1;  in snd_gus_check_version()
364 				gus->ics_flipped = 1;  in snd_gus_check_version()
372 				gus->max_flag = 1;  in snd_gus_check_version()
376 				gus->ace_flag = 1;  in snd_gus_check_version()
380 				gus->ess_flag = 1;  in snd_gus_check_version()
382 …snd_printk(KERN_ERR "unknown GF1 revision number at 0x%lx - 0x%x (0x%x)\n", gus->gf1.port, rev, va…  in snd_gus_check_version()
388 	gus->uart_enable = 1;	/* standard GUSes doesn't have midi uart trouble */  in snd_gus_check_version()
389 	snd_gus_init_control(gus);  in snd_gus_check_version()
393 int snd_gus_initialize(struct snd_gus_card *gus)  in snd_gus_initialize()  argument
397 	if (!gus->interwave) {  in snd_gus_initialize()
398 		if ((err = snd_gus_check_version(gus)) < 0) {  in snd_gus_initialize()
402 		if ((err = snd_gus_detect_memory(gus)) < 0)  in snd_gus_initialize()
405 	if ((err = snd_gus_init_dma_irq(gus, 1)) < 0)  in snd_gus_initialize()
407 	snd_gf1_start(gus);  in snd_gus_initialize()
408 	gus->initialized = 1;  in snd_gus_initialize()