isa/gus/gus_timer.c

17 static int snd_gf1_timer1_start(struct snd_timer * timer)
24 	gus = snd_timer_chip(timer);
26 	ticks = timer->sticks;
28 	snd_gf1_write8(gus, SNDRV_GF1_GB_ADLIB_TIMER_1, 256 - ticks);	/* timer 1 count */
29 	snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, tmp);	/* enable timer 1 IRQ */
30 	snd_gf1_adlib_write(gus, 0x04, tmp >> 2);	/* timer 2 start */
35 static int snd_gf1_timer1_stop(struct snd_timer * timer)
41 	gus = snd_timer_chip(timer);
44 	snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, tmp);	/* disable timer #1 */
53 static int snd_gf1_timer2_start(struct snd_timer * timer)
60 	gus = snd_timer_chip(timer);
62 	ticks = timer->sticks;
64 	snd_gf1_write8(gus, SNDRV_GF1_GB_ADLIB_TIMER_2, 256 - ticks);	/* timer 2 count */
65 	snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, tmp);	/* enable timer 2 IRQ */
66 	snd_gf1_adlib_write(gus, 0x04, tmp >> 2);	/* timer 2 start */
71 static int snd_gf1_timer2_stop(struct snd_timer * timer)
77 	gus = snd_timer_chip(timer);
80 	snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, tmp);	/* disable timer #1 */
91 	struct snd_timer *timer = gus->gf1.timer1;
93 	if (timer == NULL)
95 	snd_timer_interrupt(timer, timer->sticks);
100 	struct snd_timer *timer = gus->gf1.timer2;
102 	if (timer == NULL)
104 	snd_timer_interrupt(timer, timer->sticks);
129 static void snd_gf1_timer1_free(struct snd_timer *timer)
131 	struct snd_gus_card *gus = timer->private_data;
135 static void snd_gf1_timer2_free(struct snd_timer *timer)
137 	struct snd_gus_card *gus = timer->private_data;
143 	struct snd_timer *timer;
158 	if (snd_timer_new(gus->card, "GF1 timer", &tid, &timer) >= 0) {
159 		strscpy(timer->name, "GF1 timer #1");
160 		timer->private_data = gus;
161 		timer->private_free = snd_gf1_timer1_free;
162 		timer->hw = snd_gf1_timer1;
164 	gus->gf1.timer1 = timer;
168 	if (snd_timer_new(gus->card, "GF1 timer", &tid, &timer) >= 0) {
169 		strscpy(timer->name, "GF1 timer #2");
170 		timer->private_data = gus;
171 		timer->private_free = snd_gf1_timer2_free;
172 		timer->hw = snd_gf1_timer2;
174 	gus->gf1.timer2 = timer;