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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* |
3 | * Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha) | |
4 | * Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>, | |
c1017a4c JK |
5 | * Jaroslav Kysela <perex@perex.cz> |
6 | * Based on card-4232.c by Jaroslav Kysela <perex@perex.cz> | |
1da177e4 LT |
7 | */ |
8 | ||
1da177e4 | 9 | #include <linux/init.h> |
68668845 | 10 | #include <linux/err.h> |
e2759e33 | 11 | #include <linux/isa.h> |
1da177e4 LT |
12 | #include <linux/time.h> |
13 | #include <linux/wait.h> | |
65a77217 | 14 | #include <linux/module.h> |
1da177e4 | 15 | #include <sound/core.h> |
760fc6b8 | 16 | #include <sound/wss.h> |
1da177e4 LT |
17 | #include <sound/initval.h> |
18 | ||
e2759e33 RH |
19 | #define CRD_NAME "Generic AD1848/AD1847/CS4248" |
20 | #define DEV_NAME "ad1848" | |
21 | ||
22 | MODULE_DESCRIPTION(CRD_NAME); | |
c1017a4c | 23 | MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@perex.cz>"); |
1da177e4 LT |
24 | MODULE_LICENSE("GPL"); |
25 | MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848}," | |
26 | "{Analog Devices,AD1847}," | |
27 | "{Crystal Semiconductors,CS4248}}"); | |
28 | ||
29 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ | |
30 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ | |
a67ff6a5 | 31 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ |
1da177e4 LT |
32 | static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ |
33 | static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */ | |
34 | static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ | |
a67ff6a5 | 35 | static bool thinkpad[SNDRV_CARDS]; /* Thinkpad special case */ |
1da177e4 LT |
36 | |
37 | module_param_array(index, int, NULL, 0444); | |
e2759e33 | 38 | MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard."); |
1da177e4 | 39 | module_param_array(id, charp, NULL, 0444); |
e2759e33 | 40 | MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard."); |
1da177e4 | 41 | module_param_array(enable, bool, NULL, 0444); |
e2759e33 | 42 | MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard."); |
e992ef57 | 43 | module_param_hw_array(port, long, ioport, NULL, 0444); |
e2759e33 | 44 | MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); |
e992ef57 | 45 | module_param_hw_array(irq, int, irq, NULL, 0444); |
e2759e33 | 46 | MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver."); |
e992ef57 | 47 | module_param_hw_array(dma1, int, dma, NULL, 0444); |
e2759e33 | 48 | MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver."); |
1da177e4 LT |
49 | module_param_array(thinkpad, bool, NULL, 0444); |
50 | MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series."); | |
51 | ||
1bff292e | 52 | static int snd_ad1848_match(struct device *dev, unsigned int n) |
e2759e33 RH |
53 | { |
54 | if (!enable[n]) | |
55 | return 0; | |
f7a9275d | 56 | |
e2759e33 | 57 | if (port[n] == SNDRV_AUTO_PORT) { |
0418ff0c | 58 | dev_err(dev, "please specify port\n"); |
e2759e33 RH |
59 | return 0; |
60 | } | |
61 | if (irq[n] == SNDRV_AUTO_IRQ) { | |
0418ff0c | 62 | dev_err(dev, "please specify irq\n"); |
e2759e33 RH |
63 | return 0; |
64 | } | |
65 | if (dma1[n] == SNDRV_AUTO_DMA) { | |
0418ff0c | 66 | dev_err(dev, "please specify dma1\n"); |
e2759e33 RH |
67 | return 0; |
68 | } | |
69 | return 1; | |
70 | } | |
1da177e4 | 71 | |
1bff292e | 72 | static int snd_ad1848_probe(struct device *dev, unsigned int n) |
1da177e4 | 73 | { |
c8ff6647 | 74 | struct snd_card *card; |
241b3ee7 | 75 | struct snd_wss *chip; |
e2759e33 | 76 | int error; |
1da177e4 | 77 | |
4323cc4d | 78 | error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card); |
c95eadd2 TI |
79 | if (error < 0) |
80 | return error; | |
1da177e4 | 81 | |
760fc6b8 KH |
82 | error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], -1, |
83 | thinkpad[n] ? WSS_HW_THINKPAD : WSS_HW_DETECT, | |
84 | 0, &chip); | |
e2759e33 RH |
85 | if (error < 0) |
86 | goto out; | |
1da177e4 | 87 | |
68668845 | 88 | card->private_data = chip; |
43bcd973 | 89 | |
fa60c065 | 90 | error = snd_wss_pcm(chip, 0); |
e2759e33 RH |
91 | if (error < 0) |
92 | goto out; | |
43bcd973 | 93 | |
5664daa1 | 94 | error = snd_wss_mixer(chip); |
e2759e33 RH |
95 | if (error < 0) |
96 | goto out; | |
1da177e4 | 97 | |
003d3e70 AB |
98 | strlcpy(card->driver, "AD1848", sizeof(card->driver)); |
99 | strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname)); | |
100 | ||
101 | if (!thinkpad[n]) | |
102 | snprintf(card->longname, sizeof(card->longname), | |
103 | "%s at 0x%lx, irq %d, dma %d", | |
104 | chip->pcm->name, chip->port, irq[n], dma1[n]); | |
105 | else | |
106 | snprintf(card->longname, sizeof(card->longname), | |
107 | "%s at 0x%lx, irq %d, dma %d [Thinkpad]", | |
108 | chip->pcm->name, chip->port, irq[n], dma1[n]); | |
1da177e4 | 109 | |
e2759e33 RH |
110 | error = snd_card_register(card); |
111 | if (error < 0) | |
112 | goto out; | |
43bcd973 | 113 | |
e2759e33 | 114 | dev_set_drvdata(dev, card); |
1da177e4 | 115 | return 0; |
43bcd973 | 116 | |
e2759e33 RH |
117 | out: snd_card_free(card); |
118 | return error; | |
1da177e4 LT |
119 | } |
120 | ||
1bff292e | 121 | static int snd_ad1848_remove(struct device *dev, unsigned int n) |
68668845 | 122 | { |
e2759e33 | 123 | snd_card_free(dev_get_drvdata(dev)); |
68668845 TI |
124 | return 0; |
125 | } | |
126 | ||
127 | #ifdef CONFIG_PM | |
e2759e33 | 128 | static int snd_ad1848_suspend(struct device *dev, unsigned int n, pm_message_t state) |
68668845 | 129 | { |
e2759e33 | 130 | struct snd_card *card = dev_get_drvdata(dev); |
241b3ee7 | 131 | struct snd_wss *chip = card->private_data; |
68668845 TI |
132 | |
133 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); | |
134 | chip->suspend(chip); | |
135 | return 0; | |
136 | } | |
137 | ||
e2759e33 | 138 | static int snd_ad1848_resume(struct device *dev, unsigned int n) |
1da177e4 | 139 | { |
e2759e33 | 140 | struct snd_card *card = dev_get_drvdata(dev); |
241b3ee7 | 141 | struct snd_wss *chip = card->private_data; |
1da177e4 | 142 | |
68668845 TI |
143 | chip->resume(chip); |
144 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); | |
145 | return 0; | |
146 | } | |
147 | #endif | |
148 | ||
e2759e33 RH |
149 | static struct isa_driver snd_ad1848_driver = { |
150 | .match = snd_ad1848_match, | |
68668845 | 151 | .probe = snd_ad1848_probe, |
1bff292e | 152 | .remove = snd_ad1848_remove, |
68668845 TI |
153 | #ifdef CONFIG_PM |
154 | .suspend = snd_ad1848_suspend, | |
155 | .resume = snd_ad1848_resume, | |
156 | #endif | |
157 | .driver = { | |
e2759e33 RH |
158 | .name = DEV_NAME |
159 | } | |
68668845 | 160 | }; |
1da177e4 | 161 | |
d2fd147c | 162 | module_isa_driver(snd_ad1848_driver, SNDRV_CARDS); |