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1da177e4 LT |
1 | /* |
2 | * Generic driver for CS4231 chips | |
c1017a4c | 3 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
1da177e4 LT |
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 | ||
1da177e4 | 23 | #include <linux/init.h> |
8b913757 | 24 | #include <linux/err.h> |
d63898c9 | 25 | #include <linux/isa.h> |
1da177e4 LT |
26 | #include <linux/time.h> |
27 | #include <linux/wait.h> | |
65a77217 | 28 | #include <linux/module.h> |
1da177e4 | 29 | #include <sound/core.h> |
61ef19d7 | 30 | #include <sound/wss.h> |
1da177e4 LT |
31 | #include <sound/mpu401.h> |
32 | #include <sound/initval.h> | |
33 | ||
d63898c9 RH |
34 | #define CRD_NAME "Generic CS4231" |
35 | #define DEV_NAME "cs4231" | |
36 | ||
37 | MODULE_DESCRIPTION(CRD_NAME); | |
c1017a4c | 38 | MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
1da177e4 LT |
39 | MODULE_LICENSE("GPL"); |
40 | MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}"); | |
41 | ||
42 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ | |
43 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ | |
a67ff6a5 | 44 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ |
1da177e4 LT |
45 | static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ |
46 | static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ | |
47 | static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */ | |
48 | static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */ | |
49 | static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ | |
50 | static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ | |
51 | ||
52 | module_param_array(index, int, NULL, 0444); | |
d63898c9 | 53 | MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard."); |
1da177e4 | 54 | module_param_array(id, charp, NULL, 0444); |
d63898c9 | 55 | MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard."); |
1da177e4 | 56 | module_param_array(enable, bool, NULL, 0444); |
d63898c9 | 57 | MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard."); |
1da177e4 | 58 | module_param_array(port, long, NULL, 0444); |
d63898c9 | 59 | MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); |
1da177e4 | 60 | module_param_array(mpu_port, long, NULL, 0444); |
d63898c9 | 61 | MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver."); |
1da177e4 | 62 | module_param_array(irq, int, NULL, 0444); |
d63898c9 | 63 | MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver."); |
1da177e4 | 64 | module_param_array(mpu_irq, int, NULL, 0444); |
d63898c9 | 65 | MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver."); |
1da177e4 | 66 | module_param_array(dma1, int, NULL, 0444); |
d63898c9 | 67 | MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver."); |
1da177e4 | 68 | module_param_array(dma2, int, NULL, 0444); |
d63898c9 | 69 | MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver."); |
1da177e4 | 70 | |
1bff292e | 71 | static int snd_cs4231_match(struct device *dev, unsigned int n) |
d63898c9 RH |
72 | { |
73 | if (!enable[n]) | |
74 | return 0; | |
f7a9275d | 75 | |
d63898c9 | 76 | if (port[n] == SNDRV_AUTO_PORT) { |
0418ff0c | 77 | dev_err(dev, "please specify port\n"); |
d63898c9 RH |
78 | return 0; |
79 | } | |
80 | if (irq[n] == SNDRV_AUTO_IRQ) { | |
0418ff0c | 81 | dev_err(dev, "please specify irq\n"); |
d63898c9 RH |
82 | return 0; |
83 | } | |
84 | if (dma1[n] == SNDRV_AUTO_DMA) { | |
0418ff0c | 85 | dev_err(dev, "please specify dma1\n"); |
d63898c9 RH |
86 | return 0; |
87 | } | |
88 | return 1; | |
89 | } | |
1da177e4 | 90 | |
1bff292e | 91 | static int snd_cs4231_probe(struct device *dev, unsigned int n) |
1da177e4 | 92 | { |
ba2375a4 | 93 | struct snd_card *card; |
7779f75f | 94 | struct snd_wss *chip; |
d63898c9 | 95 | int error; |
1da177e4 | 96 | |
4323cc4d | 97 | error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card); |
c95eadd2 TI |
98 | if (error < 0) |
99 | return error; | |
d63898c9 | 100 | |
7779f75f KH |
101 | error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], dma2[n], |
102 | WSS_HW_DETECT, 0, &chip); | |
d63898c9 RH |
103 | if (error < 0) |
104 | goto out; | |
105 | ||
8b913757 | 106 | card->private_data = chip; |
1da177e4 | 107 | |
fa60c065 | 108 | error = snd_wss_pcm(chip, 0); |
d63898c9 RH |
109 | if (error < 0) |
110 | goto out; | |
1da177e4 LT |
111 | |
112 | strcpy(card->driver, "CS4231"); | |
fa60c065 | 113 | strcpy(card->shortname, chip->pcm->name); |
d63898c9 | 114 | |
1da177e4 | 115 | sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", |
fa60c065 | 116 | chip->pcm->name, chip->port, irq[n], dma1[n]); |
d63898c9 RH |
117 | if (dma2[n] >= 0) |
118 | sprintf(card->longname + strlen(card->longname), "&%d", dma2[n]); | |
119 | ||
7779f75f | 120 | error = snd_wss_mixer(chip); |
d63898c9 RH |
121 | if (error < 0) |
122 | goto out; | |
123 | ||
fa60c065 | 124 | error = snd_wss_timer(chip, 0); |
d63898c9 RH |
125 | if (error < 0) |
126 | goto out; | |
127 | ||
128 | if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) { | |
129 | if (mpu_irq[n] == SNDRV_AUTO_IRQ) | |
130 | mpu_irq[n] = -1; | |
1da177e4 | 131 | if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232, |
d63898c9 | 132 | mpu_port[n], 0, mpu_irq[n], |
1da177e4 | 133 | NULL) < 0) |
0418ff0c | 134 | dev_warn(dev, "MPU401 not detected\n"); |
1da177e4 | 135 | } |
43bcd973 | 136 | |
d63898c9 RH |
137 | error = snd_card_register(card); |
138 | if (error < 0) | |
139 | goto out; | |
8b913757 | 140 | |
d63898c9 | 141 | dev_set_drvdata(dev, card); |
1da177e4 | 142 | return 0; |
43bcd973 | 143 | |
d63898c9 RH |
144 | out: snd_card_free(card); |
145 | return error; | |
1da177e4 LT |
146 | } |
147 | ||
1bff292e | 148 | static int snd_cs4231_remove(struct device *dev, unsigned int n) |
8b913757 | 149 | { |
d63898c9 | 150 | snd_card_free(dev_get_drvdata(dev)); |
8b913757 TI |
151 | return 0; |
152 | } | |
153 | ||
154 | #ifdef CONFIG_PM | |
d63898c9 | 155 | static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state) |
1da177e4 | 156 | { |
d63898c9 | 157 | struct snd_card *card = dev_get_drvdata(dev); |
7779f75f | 158 | struct snd_wss *chip = card->private_data; |
d63898c9 | 159 | |
8b913757 | 160 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
8b913757 TI |
161 | chip->suspend(chip); |
162 | return 0; | |
163 | } | |
1da177e4 | 164 | |
d63898c9 | 165 | static int snd_cs4231_resume(struct device *dev, unsigned int n) |
8b913757 | 166 | { |
d63898c9 | 167 | struct snd_card *card = dev_get_drvdata(dev); |
7779f75f | 168 | struct snd_wss *chip = card->private_data; |
d63898c9 | 169 | |
8b913757 TI |
170 | chip->resume(chip); |
171 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); | |
172 | return 0; | |
173 | } | |
174 | #endif | |
175 | ||
d63898c9 RH |
176 | static struct isa_driver snd_cs4231_driver = { |
177 | .match = snd_cs4231_match, | |
8b913757 | 178 | .probe = snd_cs4231_probe, |
1bff292e | 179 | .remove = snd_cs4231_remove, |
8b913757 TI |
180 | #ifdef CONFIG_PM |
181 | .suspend = snd_cs4231_suspend, | |
182 | .resume = snd_cs4231_resume, | |
183 | #endif | |
184 | .driver = { | |
d63898c9 RH |
185 | .name = DEV_NAME |
186 | } | |
8b913757 TI |
187 | }; |
188 | ||
ec5c0896 | 189 | module_isa_driver(snd_cs4231_driver, SNDRV_CARDS); |