6  *   This program is free software; you can redistribute it and/or modify
8  *   the Free Software Foundation; either version 2 of the License, or
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
27 #include <linux/dma-mapping.h>
33 	int running;		/* boolean */  member
34 	int volume;		/* mixer volume: 0-100 */
44  * stop beep if running
48 	struct pmac_beep *beep = chip->beep;  in snd_pmac_beep_stop()
49 	if (beep && beep->running) {  in snd_pmac_beep_stop()
50 		beep->running = 0;  in snd_pmac_beep_stop()
56  * Stuff for outputting a beep.  The values range from -327 to +327
74 	58,	45,	32,	18,	3,	-11,	-26,	-41,
75 	-55,	-68,	-79,	-88,	-95,	-100,	-102,	-102,
76 	-99,	-93,	-85,	-75,	-62,	-48,	-33,	-16,
79 	55,	41,	26,	11,	-3,	-18,	-32,	-45,
80 	-58,	-68,	-78,	-86,	-92,	-97,	-101,	-103,
81 	-105,	-105,	-105,	-104,	-104,	-103,	-103,	-103,
82 	-103,	-105,	-107,	-110,	-113,	-117,	-122,	-128,
83 	-133,	-139,	-144,	-150,	-155,	-159,	-163,	-167,
84 	-169,	-170,	-171,	-171,	-171,	-169,	-168,	-166,
85 	-164,	-162,	-161,	-160,	-159,	-159,	-160,	-161,
86 	-163,	-166,	-170,	-174,	-179,	-183,	-188,	-193,
87 	-197,	-201,	-204,	-207,	-209,	-209,	-209,	-208,
88 	-206,	-203,	-200,	-196,	-192,	-189,	-186,	-183,
89 	-182,	-182,	-183,	-186,	-190,	-196,	-204,	-213,
90 	-224,	-236,	-249,	-262,	-275,	-288,	-299,	-310,
91 	-318,	-324,	-327,	-327,	-323,	-316,	-304,	-288,
92 	-269,	-245,	-218,	-187,	-153,	-117,	-79,	-40,
97 #define BEEP_VOLUME	15	/* 0 - 100 */
112 		return -1;  in snd_pmac_beep_event()
117 	default: return -1;  in snd_pmac_beep_event()
121 	if (! chip || (beep = chip->beep) == NULL)  in snd_pmac_beep_event()
122 		return -1;  in snd_pmac_beep_event()
125 		spin_lock_irqsave(&chip->reg_lock, flags);  in snd_pmac_beep_event()
126 		if (beep->running)  in snd_pmac_beep_event()
128 		spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_pmac_beep_event()
132 	beep_speed = snd_pmac_rate_index(chip, &chip->playback, BEEP_SRATE);  in snd_pmac_beep_event()
133 	srate = chip->freq_table[beep_speed];  in snd_pmac_beep_event()
138 	spin_lock_irqsave(&chip->reg_lock, flags);  in snd_pmac_beep_event()
139 	if (chip->playback.running || chip->capture.running || beep->running) {  in snd_pmac_beep_event()
140 		spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_pmac_beep_event()
143 	beep->running = 1;  in snd_pmac_beep_event()
144 	spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_pmac_beep_event()
146 	if (hz == beep->hz && beep->volume == beep->volume_play) {  in snd_pmac_beep_event()
147 		nsamples = beep->nsamples;  in snd_pmac_beep_event()
154 		p = beep->buf;  in snd_pmac_beep_event()
156 			p[0] = p[1] = beep_wform[j >> 8] * beep->volume;  in snd_pmac_beep_event()
159 		beep->hz = hz;  in snd_pmac_beep_event()
160 		beep->volume_play = beep->volume;  in snd_pmac_beep_event()
161 		beep->nsamples = nsamples;  in snd_pmac_beep_event()
164 	spin_lock_irqsave(&chip->reg_lock, flags);  in snd_pmac_beep_event()
165 	snd_pmac_beep_dma_start(chip, beep->nsamples * 4, beep->addr, beep_speed);  in snd_pmac_beep_event()
166 	spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_pmac_beep_event()
177 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;  in snd_pmac_info_beep()
178 	uinfo->count = 1;  in snd_pmac_info_beep()
179 	uinfo->value.integer.min = 0;  in snd_pmac_info_beep()
180 	uinfo->value.integer.max = 100;  in snd_pmac_info_beep()
188 	if (snd_BUG_ON(!chip->beep))  in snd_pmac_get_beep()
189 		return -ENXIO;  in snd_pmac_get_beep()
190 	ucontrol->value.integer.value[0] = chip->beep->volume;  in snd_pmac_get_beep()
199 	if (snd_BUG_ON(!chip->beep))  in snd_pmac_put_beep()
200 		return -ENXIO;  in snd_pmac_put_beep()
201 	oval = chip->beep->volume;  in snd_pmac_put_beep()
202 	nval = ucontrol->value.integer.value[0];  in snd_pmac_put_beep()
204 		return -EINVAL;  in snd_pmac_put_beep()
205 	chip->beep->volume = nval;  in snd_pmac_put_beep()
206 	return oval != chip->beep->volume;  in snd_pmac_put_beep()
224 	int err = -ENOMEM;  in snd_pmac_attach_beep()
228 		return -ENOMEM;  in snd_pmac_attach_beep()
229 	dmabuf = dma_alloc_coherent(&chip->pdev->dev, BEEP_BUFLEN * 4,  in snd_pmac_attach_beep()
230 				    &beep->addr, GFP_KERNEL);  in snd_pmac_attach_beep()
236 	input_dev->name = "PowerMac Beep";  in snd_pmac_attach_beep()
237 	input_dev->phys = "powermac/beep";  in snd_pmac_attach_beep()
238 	input_dev->id.bustype = BUS_ADB;  in snd_pmac_attach_beep()
239 	input_dev->id.vendor = 0x001f;  in snd_pmac_attach_beep()
240 	input_dev->id.product = 0x0001;  in snd_pmac_attach_beep()
241 	input_dev->id.version = 0x0100;  in snd_pmac_attach_beep()
243 	input_dev->evbit[0] = BIT_MASK(EV_SND);  in snd_pmac_attach_beep()
244 	input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE);  in snd_pmac_attach_beep()
245 	input_dev->event = snd_pmac_beep_event;  in snd_pmac_attach_beep()
246 	input_dev->dev.parent = &chip->pdev->dev;  in snd_pmac_attach_beep()
249 	beep->dev = input_dev;  in snd_pmac_attach_beep()
250 	beep->buf = dmabuf;  in snd_pmac_attach_beep()
251 	beep->volume = BEEP_VOLUME;  in snd_pmac_attach_beep()
252 	beep->running = 0;  in snd_pmac_attach_beep()
255 	err = snd_ctl_add(chip->card, beep_ctl);  in snd_pmac_attach_beep()
259 	chip->beep = beep;  in snd_pmac_attach_beep()
261 	err = input_register_device(beep->dev);  in snd_pmac_attach_beep()
267  fail2:	snd_ctl_remove(chip->card, beep_ctl);  in snd_pmac_attach_beep()
270 		dma_free_coherent(&chip->pdev->dev, BEEP_BUFLEN * 4,  in snd_pmac_attach_beep()
271 				  dmabuf, beep->addr);  in snd_pmac_attach_beep()
278 	if (chip->beep) {  in snd_pmac_detach_beep()
279 		input_unregister_device(chip->beep->dev);  in snd_pmac_detach_beep()
280 		dma_free_coherent(&chip->pdev->dev, BEEP_BUFLEN * 4,  in snd_pmac_detach_beep()
281 				  chip->beep->buf, chip->beep->addr);  in snd_pmac_detach_beep()
282 		kfree(chip->beep);  in snd_pmac_detach_beep()
283 		chip->beep = NULL;  in snd_pmac_detach_beep()