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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 | // SPDX-License-Identifier: GPL-2.0-or-later /* * Generic driver for CS4231 chips * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * Originally the CS4232/CS4232A driver, modified for use on CS4231 by * Tugrul Galatali <galatalt@stuy.edu> */ #include <linux/init.h> #include <linux/err.h> #include <linux/isa.h> #include <linux/time.h> #include <linux/wait.h> #include <linux/module.h> #include <sound/core.h> #include <sound/wss.h> #include <sound/mpu401.h> #include <sound/initval.h> #define CRD_NAME "Generic CS4231" #define DEV_NAME "cs4231" MODULE_DESCRIPTION(CRD_NAME); MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); MODULE_LICENSE("GPL"); static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */ static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */ static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard."); module_param_array(id, charp, NULL, 0444); MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard."); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard."); module_param_hw_array(port, long, ioport, NULL, 0444); MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); module_param_hw_array(mpu_port, long, ioport, NULL, 0444); MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver."); module_param_hw_array(irq, int, irq, NULL, 0444); MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver."); module_param_hw_array(mpu_irq, int, irq, NULL, 0444); MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver."); module_param_hw_array(dma1, int, dma, NULL, 0444); MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver."); module_param_hw_array(dma2, int, dma, NULL, 0444); MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver."); static int snd_cs4231_match(struct device *dev, unsigned int n) { if (!enable[n]) return 0; if (port[n] == SNDRV_AUTO_PORT) { dev_err(dev, "please specify port\n"); return 0; } if (irq[n] == SNDRV_AUTO_IRQ) { dev_err(dev, "please specify irq\n"); return 0; } if (dma1[n] == SNDRV_AUTO_DMA) { dev_err(dev, "please specify dma1\n"); return 0; } return 1; } static int snd_cs4231_probe(struct device *dev, unsigned int n) { struct snd_card *card; struct snd_wss *chip; int error; error = snd_devm_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card); if (error < 0) return error; error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], dma2[n], WSS_HW_DETECT, 0, &chip); if (error < 0) return error; card->private_data = chip; error = snd_wss_pcm(chip, 0); if (error < 0) return error; strscpy(card->driver, "CS4231", sizeof(card->driver)); strscpy(card->shortname, chip->pcm->name, sizeof(card->shortname)); if (dma2[n] < 0) scnprintf(card->longname, sizeof(card->longname), "%s at 0x%lx, irq %d, dma %d", chip->pcm->name, chip->port, irq[n], dma1[n]); else scnprintf(card->longname, sizeof(card->longname), "%s at 0x%lx, irq %d, dma %d&%d", chip->pcm->name, chip->port, irq[n], dma1[n], dma2[n]); error = snd_wss_mixer(chip); if (error < 0) return error; error = snd_wss_timer(chip, 0); if (error < 0) return error; if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) { if (mpu_irq[n] == SNDRV_AUTO_IRQ) mpu_irq[n] = -1; if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232, mpu_port[n], 0, mpu_irq[n], NULL) < 0) dev_warn(dev, "MPU401 not detected\n"); } error = snd_card_register(card); if (error < 0) return error; dev_set_drvdata(dev, card); return 0; } #ifdef CONFIG_PM static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state) { struct snd_card *card = dev_get_drvdata(dev); struct snd_wss *chip = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); chip->suspend(chip); return 0; } static int snd_cs4231_resume(struct device *dev, unsigned int n) { struct snd_card *card = dev_get_drvdata(dev); struct snd_wss *chip = card->private_data; chip->resume(chip); snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; } #endif static struct isa_driver snd_cs4231_driver = { .match = snd_cs4231_match, .probe = snd_cs4231_probe, #ifdef CONFIG_PM .suspend = snd_cs4231_suspend, .resume = snd_cs4231_resume, #endif .driver = { .name = DEV_NAME } }; module_isa_driver(snd_cs4231_driver, SNDRV_CARDS); 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