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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* |
3 | * Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible | |
c1017a4c | 4 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
1da177e4 LT |
5 | */ |
6 | ||
1da177e4 | 7 | #include <linux/init.h> |
67be4458 | 8 | #include <linux/err.h> |
5e24c1c1 | 9 | #include <linux/isa.h> |
1da177e4 | 10 | #include <linux/ioport.h> |
65a77217 | 11 | #include <linux/module.h> |
1da177e4 LT |
12 | #include <sound/core.h> |
13 | #include <sound/sb.h> | |
14 | #include <sound/opl3.h> | |
1da177e4 LT |
15 | #include <sound/initval.h> |
16 | ||
c1017a4c | 17 | MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
1da177e4 LT |
18 | MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro"); |
19 | MODULE_LICENSE("GPL"); | |
1da177e4 LT |
20 | |
21 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ | |
22 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ | |
a67ff6a5 | 23 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ |
1da177e4 LT |
24 | static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */ |
25 | static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ | |
26 | static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3 */ | |
27 | ||
28 | module_param_array(index, int, NULL, 0444); | |
29 | MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard."); | |
30 | module_param_array(id, charp, NULL, 0444); | |
31 | MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard."); | |
32 | module_param_array(enable, bool, NULL, 0444); | |
33 | MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard."); | |
e992ef57 | 34 | module_param_hw_array(port, long, ioport, NULL, 0444); |
1da177e4 | 35 | MODULE_PARM_DESC(port, "Port # for SB8 driver."); |
e992ef57 | 36 | module_param_hw_array(irq, int, irq, NULL, 0444); |
1da177e4 | 37 | MODULE_PARM_DESC(irq, "IRQ # for SB8 driver."); |
e992ef57 | 38 | module_param_hw_array(dma8, int, dma, NULL, 0444); |
1da177e4 LT |
39 | MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver."); |
40 | ||
41 | struct snd_sb8 { | |
42 | struct resource *fm_res; /* used to block FM i/o region for legacy cards */ | |
67be4458 | 43 | struct snd_sb *chip; |
1da177e4 LT |
44 | }; |
45 | ||
7d12e780 | 46 | static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id) |
1da177e4 | 47 | { |
029d64b0 | 48 | struct snd_sb *chip = dev_id; |
1da177e4 LT |
49 | |
50 | if (chip->open & SB_OPEN_PCM) { | |
51 | return snd_sb8dsp_interrupt(chip); | |
52 | } else { | |
53 | return snd_sb8dsp_midi_interrupt(chip); | |
54 | } | |
55 | } | |
56 | ||
1bff292e | 57 | static int snd_sb8_match(struct device *pdev, unsigned int dev) |
5e24c1c1 TI |
58 | { |
59 | if (!enable[dev]) | |
60 | return 0; | |
61 | if (irq[dev] == SNDRV_AUTO_IRQ) { | |
0418ff0c | 62 | dev_err(pdev, "please specify irq\n"); |
5e24c1c1 TI |
63 | return 0; |
64 | } | |
65 | if (dma8[dev] == SNDRV_AUTO_DMA) { | |
0418ff0c | 66 | dev_err(pdev, "please specify dma8\n"); |
5e24c1c1 TI |
67 | return 0; |
68 | } | |
69 | return 1; | |
70 | } | |
71 | ||
1bff292e | 72 | static int snd_sb8_probe(struct device *pdev, unsigned int dev) |
1da177e4 | 73 | { |
029d64b0 TI |
74 | struct snd_sb *chip; |
75 | struct snd_card *card; | |
1da177e4 | 76 | struct snd_sb8 *acard; |
029d64b0 | 77 | struct snd_opl3 *opl3; |
1da177e4 LT |
78 | int err; |
79 | ||
5eab6cb0 TI |
80 | err = snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE, |
81 | sizeof(struct snd_sb8), &card); | |
c95eadd2 TI |
82 | if (err < 0) |
83 | return err; | |
67be4458 | 84 | acard = card->private_data; |
1da177e4 | 85 | |
a28591f6 AG |
86 | /* |
87 | * Block the 0x388 port to avoid PnP conflicts. | |
88 | * No need to check this value after request_region, | |
89 | * as we never do anything with it. | |
90 | */ | |
5eab6cb0 TI |
91 | acard->fm_res = devm_request_region(card->dev, 0x388, 4, |
92 | "SoundBlaster FM"); | |
1da177e4 | 93 | |
67be4458 | 94 | if (port[dev] != SNDRV_AUTO_PORT) { |
10dc8ad5 TI |
95 | err = snd_sbdsp_create(card, port[dev], irq[dev], |
96 | snd_sb8_interrupt, dma8[dev], | |
97 | -1, SB_HW_AUTO, &chip); | |
98 | if (err < 0) | |
5eab6cb0 | 99 | return err; |
67be4458 TI |
100 | } else { |
101 | /* auto-probe legacy ports */ | |
2a076d0a | 102 | static const unsigned long possible_ports[] = { |
67be4458 TI |
103 | 0x220, 0x240, 0x260, |
104 | }; | |
105 | int i; | |
106 | for (i = 0; i < ARRAY_SIZE(possible_ports); i++) { | |
107 | err = snd_sbdsp_create(card, possible_ports[i], | |
108 | irq[dev], | |
109 | snd_sb8_interrupt, | |
110 | dma8[dev], | |
111 | -1, | |
112 | SB_HW_AUTO, | |
113 | &chip); | |
114 | if (err >= 0) { | |
115 | port[dev] = possible_ports[i]; | |
116 | break; | |
117 | } | |
118 | } | |
5eab6cb0 TI |
119 | if (i >= ARRAY_SIZE(possible_ports)) |
120 | return -EINVAL; | |
67be4458 TI |
121 | } |
122 | acard->chip = chip; | |
123 | ||
1da177e4 | 124 | if (chip->hardware >= SB_HW_16) { |
1da177e4 | 125 | if (chip->hardware == SB_HW_ALS100) |
43bcd973 | 126 | snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n", |
1da177e4 LT |
127 | port[dev]); |
128 | else | |
43bcd973 TI |
129 | snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n", |
130 | port[dev]); | |
5eab6cb0 | 131 | return -ENODEV; |
1da177e4 LT |
132 | } |
133 | ||
10dc8ad5 TI |
134 | err = snd_sb8dsp_pcm(chip, 0); |
135 | if (err < 0) | |
5eab6cb0 | 136 | return err; |
43bcd973 | 137 | |
10dc8ad5 TI |
138 | err = snd_sbmixer_new(chip); |
139 | if (err < 0) | |
5eab6cb0 | 140 | return err; |
43bcd973 | 141 | |
1da177e4 | 142 | if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) { |
10dc8ad5 TI |
143 | err = snd_opl3_create(card, chip->port + 8, 0, |
144 | OPL3_HW_AUTO, 1, &opl3); | |
145 | if (err < 0) | |
43bcd973 | 146 | snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8); |
1da177e4 | 147 | } else { |
10dc8ad5 TI |
148 | err = snd_opl3_create(card, chip->port, chip->port + 2, |
149 | OPL3_HW_AUTO, 1, &opl3); | |
150 | if (err < 0) { | |
43bcd973 | 151 | snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n", |
1da177e4 LT |
152 | chip->port, chip->port + 2); |
153 | } | |
154 | } | |
155 | if (err >= 0) { | |
10dc8ad5 TI |
156 | err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); |
157 | if (err < 0) | |
5eab6cb0 | 158 | return err; |
1da177e4 LT |
159 | } |
160 | ||
10dc8ad5 TI |
161 | err = snd_sb8dsp_midi(chip, 0); |
162 | if (err < 0) | |
5eab6cb0 | 163 | return err; |
1da177e4 LT |
164 | |
165 | strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8"); | |
166 | strcpy(card->shortname, chip->name); | |
167 | sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", | |
168 | chip->name, | |
169 | chip->port, | |
170 | irq[dev], dma8[dev]); | |
43bcd973 | 171 | |
10dc8ad5 TI |
172 | err = snd_card_register(card); |
173 | if (err < 0) | |
5eab6cb0 | 174 | return err; |
43bcd973 | 175 | |
5e24c1c1 | 176 | dev_set_drvdata(pdev, card); |
1da177e4 | 177 | return 0; |
67be4458 TI |
178 | } |
179 | ||
180 | #ifdef CONFIG_PM | |
5e24c1c1 TI |
181 | static int snd_sb8_suspend(struct device *dev, unsigned int n, |
182 | pm_message_t state) | |
67be4458 | 183 | { |
5e24c1c1 | 184 | struct snd_card *card = dev_get_drvdata(dev); |
67be4458 TI |
185 | struct snd_sb8 *acard = card->private_data; |
186 | struct snd_sb *chip = acard->chip; | |
187 | ||
188 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); | |
67be4458 TI |
189 | snd_sbmixer_suspend(chip); |
190 | return 0; | |
191 | } | |
192 | ||
5e24c1c1 | 193 | static int snd_sb8_resume(struct device *dev, unsigned int n) |
1da177e4 | 194 | { |
5e24c1c1 | 195 | struct snd_card *card = dev_get_drvdata(dev); |
67be4458 TI |
196 | struct snd_sb8 *acard = card->private_data; |
197 | struct snd_sb *chip = acard->chip; | |
198 | ||
199 | snd_sbdsp_reset(chip); | |
200 | snd_sbmixer_resume(chip); | |
201 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); | |
202 | return 0; | |
1da177e4 | 203 | } |
67be4458 TI |
204 | #endif |
205 | ||
83c51c0a | 206 | #define DEV_NAME "sb8" |
67be4458 | 207 | |
5e24c1c1 TI |
208 | static struct isa_driver snd_sb8_driver = { |
209 | .match = snd_sb8_match, | |
67be4458 | 210 | .probe = snd_sb8_probe, |
67be4458 TI |
211 | #ifdef CONFIG_PM |
212 | .suspend = snd_sb8_suspend, | |
213 | .resume = snd_sb8_resume, | |
214 | #endif | |
215 | .driver = { | |
83c51c0a | 216 | .name = DEV_NAME |
67be4458 TI |
217 | }, |
218 | }; | |
1da177e4 | 219 | |
bb974b8f | 220 | module_isa_driver(snd_sb8_driver, SNDRV_CARDS); |