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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Generic driver for CS4231 chips
4 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
5 * Originally the CS4232/CS4232A driver, modified for use on CS4231 by
6 * Tugrul Galatali <galatalt@stuy.edu>
7 */
8
9#include <linux/init.h>
10#include <linux/err.h>
11#include <linux/isa.h>
12#include <linux/time.h>
13#include <linux/wait.h>
14#include <linux/module.h>
15#include <sound/core.h>
16#include <sound/wss.h>
17#include <sound/mpu401.h>
18#include <sound/initval.h>
19
20#define CRD_NAME "Generic CS4231"
21#define DEV_NAME "cs4231"
22
23MODULE_DESCRIPTION(CRD_NAME);
24MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
25MODULE_LICENSE("GPL");
26
27static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
28static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
29static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
30static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
31static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
32static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
33static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
34static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
35static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
36
37module_param_array(index, int, NULL, 0444);
38MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
39module_param_array(id, charp, NULL, 0444);
40MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
41module_param_array(enable, bool, NULL, 0444);
42MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
43module_param_hw_array(port, long, ioport, NULL, 0444);
44MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
45module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
46MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
47module_param_hw_array(irq, int, irq, NULL, 0444);
48MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
49module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
50MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
51module_param_hw_array(dma1, int, dma, NULL, 0444);
52MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
53module_param_hw_array(dma2, int, dma, NULL, 0444);
54MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
55
56static int snd_cs4231_match(struct device *dev, unsigned int n)
57{
58 if (!enable[n])
59 return 0;
60
61 if (port[n] == SNDRV_AUTO_PORT) {
62 dev_err(dev, "please specify port\n");
63 return 0;
64 }
65 if (irq[n] == SNDRV_AUTO_IRQ) {
66 dev_err(dev, "please specify irq\n");
67 return 0;
68 }
69 if (dma1[n] == SNDRV_AUTO_DMA) {
70 dev_err(dev, "please specify dma1\n");
71 return 0;
72 }
73 return 1;
74}
75
76static int snd_cs4231_probe(struct device *dev, unsigned int n)
77{
78 struct snd_card *card;
79 struct snd_wss *chip;
80 int error;
81
82 error = snd_devm_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
83 if (error < 0)
84 return error;
85
86 error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], dma2[n],
87 WSS_HW_DETECT, 0, &chip);
88 if (error < 0)
89 return error;
90
91 card->private_data = chip;
92
93 error = snd_wss_pcm(chip, 0);
94 if (error < 0)
95 return error;
96
97 strscpy(card->driver, "CS4231", sizeof(card->driver));
98 strscpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
99
100 if (dma2[n] < 0)
101 scnprintf(card->longname, sizeof(card->longname),
102 "%s at 0x%lx, irq %d, dma %d",
103 chip->pcm->name, chip->port, irq[n], dma1[n]);
104 else
105 scnprintf(card->longname, sizeof(card->longname),
106 "%s at 0x%lx, irq %d, dma %d&%d",
107 chip->pcm->name, chip->port, irq[n], dma1[n], dma2[n]);
108
109 error = snd_wss_mixer(chip);
110 if (error < 0)
111 return error;
112
113 error = snd_wss_timer(chip, 0);
114 if (error < 0)
115 return error;
116
117 if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) {
118 if (mpu_irq[n] == SNDRV_AUTO_IRQ)
119 mpu_irq[n] = -1;
120 if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
121 mpu_port[n], 0, mpu_irq[n],
122 NULL) < 0)
123 dev_warn(dev, "MPU401 not detected\n");
124 }
125
126 error = snd_card_register(card);
127 if (error < 0)
128 return error;
129
130 dev_set_drvdata(dev, card);
131 return 0;
132}
133
134#ifdef CONFIG_PM
135static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state)
136{
137 struct snd_card *card = dev_get_drvdata(dev);
138 struct snd_wss *chip = card->private_data;
139
140 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
141 chip->suspend(chip);
142 return 0;
143}
144
145static int snd_cs4231_resume(struct device *dev, unsigned int n)
146{
147 struct snd_card *card = dev_get_drvdata(dev);
148 struct snd_wss *chip = card->private_data;
149
150 chip->resume(chip);
151 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
152 return 0;
153}
154#endif
155
156static struct isa_driver snd_cs4231_driver = {
157 .match = snd_cs4231_match,
158 .probe = snd_cs4231_probe,
159#ifdef CONFIG_PM
160 .suspend = snd_cs4231_suspend,
161 .resume = snd_cs4231_resume,
162#endif
163 .driver = {
164 .name = DEV_NAME
165 }
166};
167
168module_isa_driver(snd_cs4231_driver, SNDRV_CARDS);
1/*
2 * Generic driver for CS4231 chips
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 * Originally the CS4232/CS4232A driver, modified for use on CS4231 by
5 * Tugrul Galatali <galatalt@stuy.edu>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23#include <linux/init.h>
24#include <linux/err.h>
25#include <linux/isa.h>
26#include <linux/time.h>
27#include <linux/wait.h>
28#include <linux/module.h>
29#include <sound/core.h>
30#include <sound/wss.h>
31#include <sound/mpu401.h>
32#include <sound/initval.h>
33
34#define CRD_NAME "Generic CS4231"
35#define DEV_NAME "cs4231"
36
37MODULE_DESCRIPTION(CRD_NAME);
38MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
39MODULE_LICENSE("GPL");
40MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}");
41
42static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
43static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
44static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
45static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
46static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
47static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
48static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
49static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
50static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
51
52module_param_array(index, int, NULL, 0444);
53MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
54module_param_array(id, charp, NULL, 0444);
55MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
56module_param_array(enable, bool, NULL, 0444);
57MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
58module_param_array(port, long, NULL, 0444);
59MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
60module_param_array(mpu_port, long, NULL, 0444);
61MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
62module_param_array(irq, int, NULL, 0444);
63MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
64module_param_array(mpu_irq, int, NULL, 0444);
65MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
66module_param_array(dma1, int, NULL, 0444);
67MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
68module_param_array(dma2, int, NULL, 0444);
69MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
70
71static int __devinit snd_cs4231_match(struct device *dev, unsigned int n)
72{
73 if (!enable[n])
74 return 0;
75
76 if (port[n] == SNDRV_AUTO_PORT) {
77 dev_err(dev, "please specify port\n");
78 return 0;
79 }
80 if (irq[n] == SNDRV_AUTO_IRQ) {
81 dev_err(dev, "please specify irq\n");
82 return 0;
83 }
84 if (dma1[n] == SNDRV_AUTO_DMA) {
85 dev_err(dev, "please specify dma1\n");
86 return 0;
87 }
88 return 1;
89}
90
91static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n)
92{
93 struct snd_card *card;
94 struct snd_wss *chip;
95 struct snd_pcm *pcm;
96 int error;
97
98 error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card);
99 if (error < 0)
100 return error;
101
102 error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], dma2[n],
103 WSS_HW_DETECT, 0, &chip);
104 if (error < 0)
105 goto out;
106
107 card->private_data = chip;
108
109 error = snd_wss_pcm(chip, 0, &pcm);
110 if (error < 0)
111 goto out;
112
113 strcpy(card->driver, "CS4231");
114 strcpy(card->shortname, pcm->name);
115
116 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
117 pcm->name, chip->port, irq[n], dma1[n]);
118 if (dma2[n] >= 0)
119 sprintf(card->longname + strlen(card->longname), "&%d", dma2[n]);
120
121 error = snd_wss_mixer(chip);
122 if (error < 0)
123 goto out;
124
125 error = snd_wss_timer(chip, 0, NULL);
126 if (error < 0)
127 goto out;
128
129 if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) {
130 if (mpu_irq[n] == SNDRV_AUTO_IRQ)
131 mpu_irq[n] = -1;
132 if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
133 mpu_port[n], 0, mpu_irq[n],
134 NULL) < 0)
135 dev_warn(dev, "MPU401 not detected\n");
136 }
137
138 snd_card_set_dev(card, dev);
139
140 error = snd_card_register(card);
141 if (error < 0)
142 goto out;
143
144 dev_set_drvdata(dev, card);
145 return 0;
146
147out: snd_card_free(card);
148 return error;
149}
150
151static int __devexit snd_cs4231_remove(struct device *dev, unsigned int n)
152{
153 snd_card_free(dev_get_drvdata(dev));
154 dev_set_drvdata(dev, NULL);
155 return 0;
156}
157
158#ifdef CONFIG_PM
159static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state)
160{
161 struct snd_card *card = dev_get_drvdata(dev);
162 struct snd_wss *chip = card->private_data;
163
164 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
165 chip->suspend(chip);
166 return 0;
167}
168
169static int snd_cs4231_resume(struct device *dev, unsigned int n)
170{
171 struct snd_card *card = dev_get_drvdata(dev);
172 struct snd_wss *chip = card->private_data;
173
174 chip->resume(chip);
175 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
176 return 0;
177}
178#endif
179
180static struct isa_driver snd_cs4231_driver = {
181 .match = snd_cs4231_match,
182 .probe = snd_cs4231_probe,
183 .remove = __devexit_p(snd_cs4231_remove),
184#ifdef CONFIG_PM
185 .suspend = snd_cs4231_suspend,
186 .resume = snd_cs4231_resume,
187#endif
188 .driver = {
189 .name = DEV_NAME
190 }
191};
192
193static int __init alsa_card_cs4231_init(void)
194{
195 return isa_register_driver(&snd_cs4231_driver, SNDRV_CARDS);
196}
197
198static void __exit alsa_card_cs4231_exit(void)
199{
200 isa_unregister_driver(&snd_cs4231_driver);
201}
202
203module_init(alsa_card_cs4231_init);
204module_exit(alsa_card_cs4231_exit);