Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *                   Uros Bizjak <uros@kss-loka.si>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *  Lowlevel routines for control of Sound Blaster cards
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/ioport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <sound/sb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <sound/initval.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <asm/dma.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) MODULE_DESCRIPTION("ALSA lowlevel driver for Sound Blaster cards");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #define BUSY_LOOPS 100000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #undef IO_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) int snd_sbdsp_command(struct snd_sb *chip, unsigned char val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #ifdef IO_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	snd_printk(KERN_DEBUG "command 0x%x\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	for (i = BUSY_LOOPS; i; i--)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 		if ((inb(SBP(chip, STATUS)) & 0x80) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 			outb(val, SBP(chip, COMMAND));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 			return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	snd_printd("%s [0x%lx]: timeout (0x%x)\n", __func__, chip->port, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) int snd_sbdsp_get_byte(struct snd_sb *chip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	for (i = BUSY_LOOPS; i; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 		if (inb(SBP(chip, DATA_AVAIL)) & 0x80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 			val = inb(SBP(chip, READ));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) #ifdef IO_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 			snd_printk(KERN_DEBUG "get_byte 0x%x\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 			return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	snd_printd("%s [0x%lx]: timeout\n", __func__, chip->port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) int snd_sbdsp_reset(struct snd_sb *chip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	outb(1, SBP(chip, RESET));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	udelay(10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	outb(0, SBP(chip, RESET));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	udelay(30);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	for (i = BUSY_LOOPS; i; i--)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		if (inb(SBP(chip, DATA_AVAIL)) & 0x80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 			if (inb(SBP(chip, READ)) == 0xaa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 				return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	snd_printdd("%s [0x%lx] failed...\n", __func__, chip->port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) static int snd_sbdsp_version(struct snd_sb * chip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	unsigned int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	snd_sbdsp_command(chip, SB_DSP_GET_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	result = (short) snd_sbdsp_get_byte(chip) << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	result |= (short) snd_sbdsp_get_byte(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) static int snd_sbdsp_probe(struct snd_sb * chip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	int version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	int major, minor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	char *str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	 *  initialization sequence
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	spin_lock_irqsave(&chip->reg_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	if (snd_sbdsp_reset(chip) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 		spin_unlock_irqrestore(&chip->reg_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	version = snd_sbdsp_version(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	if (version < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		spin_unlock_irqrestore(&chip->reg_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	spin_unlock_irqrestore(&chip->reg_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	major = version >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	minor = version & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	snd_printdd("SB [0x%lx]: DSP chip found, version = %i.%i\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		    chip->port, major, minor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	switch (chip->hardware) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	case SB_HW_AUTO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		switch (major) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 			chip->hardware = SB_HW_10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 			str = "1.0";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 			if (minor) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 				chip->hardware = SB_HW_201;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 				str = "2.01+";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 				chip->hardware = SB_HW_20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 				str = "2.0";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 			chip->hardware = SB_HW_PRO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 			str = "Pro";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 			chip->hardware = SB_HW_16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 			str = "16";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 			snd_printk(KERN_INFO "SB [0x%lx]: unknown DSP chip version %i.%i\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 				   chip->port, major, minor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 			return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	case SB_HW_ALS100:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		str = "16 (ALS-100)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	case SB_HW_ALS4000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		str = "16 (ALS-4000)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	case SB_HW_DT019X:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		str = "(DT019X/ALS007)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	case SB_HW_CS5530:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		str = "16 (CS5530)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	case SB_HW_JAZZ16:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		str = "Pro (Jazz16)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	sprintf(chip->name, "Sound Blaster %s", str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	chip->version = (major << 8) | minor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static int snd_sbdsp_free(struct snd_sb *chip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	release_and_free_resource(chip->res_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	if (chip->irq >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		free_irq(chip->irq, (void *) chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) #ifdef CONFIG_ISA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	if (chip->dma8 >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		disable_dma(chip->dma8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		free_dma(chip->dma8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	if (chip->dma16 >= 0 && chip->dma16 != chip->dma8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		disable_dma(chip->dma16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		free_dma(chip->dma16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	kfree(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static int snd_sbdsp_dev_free(struct snd_device *device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	struct snd_sb *chip = device->device_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	return snd_sbdsp_free(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) int snd_sbdsp_create(struct snd_card *card,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		     unsigned long port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		     int irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		     irq_handler_t irq_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		     int dma8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 		     int dma16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		     unsigned short hardware,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		     struct snd_sb **r_chip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	struct snd_sb *chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	static const struct snd_device_ops ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		.dev_free =	snd_sbdsp_dev_free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	if (snd_BUG_ON(!r_chip))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	*r_chip = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	if (chip == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	spin_lock_init(&chip->reg_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	spin_lock_init(&chip->open_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	spin_lock_init(&chip->midi_input_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	spin_lock_init(&chip->mixer_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	chip->irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	chip->dma8 = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	chip->dma16 = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	chip->port = port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	if (request_irq(irq, irq_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 			(hardware == SB_HW_ALS4000 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 			 hardware == SB_HW_CS5530) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 			IRQF_SHARED : 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 			"SoundBlaster", (void *) chip)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		snd_printk(KERN_ERR "sb: can't grab irq %d\n", irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		snd_sbdsp_free(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	chip->irq = irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	card->sync_irq = chip->irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	if (hardware == SB_HW_ALS4000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		goto __skip_allocation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	if ((chip->res_port = request_region(port, 16, "SoundBlaster")) == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 		snd_printk(KERN_ERR "sb: can't grab port 0x%lx\n", port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 		snd_sbdsp_free(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) #ifdef CONFIG_ISA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	if (dma8 >= 0 && request_dma(dma8, "SoundBlaster - 8bit")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 		snd_printk(KERN_ERR "sb: can't grab DMA8 %d\n", dma8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 		snd_sbdsp_free(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	chip->dma8 = dma8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	if (dma16 >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 		if (hardware != SB_HW_ALS100 && (dma16 < 5 || dma16 > 7)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 			/* no duplex */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 			dma16 = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 		} else if (request_dma(dma16, "SoundBlaster - 16bit")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 			snd_printk(KERN_ERR "sb: can't grab DMA16 %d\n", dma16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 			snd_sbdsp_free(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 			return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	chip->dma16 = dma16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)       __skip_allocation:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	chip->card = card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	chip->hardware = hardware;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	if ((err = snd_sbdsp_probe(chip)) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 		snd_sbdsp_free(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 		snd_sbdsp_free(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	*r_chip = chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) EXPORT_SYMBOL(snd_sbdsp_command);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) EXPORT_SYMBOL(snd_sbdsp_get_byte);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) EXPORT_SYMBOL(snd_sbdsp_reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) EXPORT_SYMBOL(snd_sbdsp_create);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) /* sb_mixer.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) EXPORT_SYMBOL(snd_sbmixer_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) EXPORT_SYMBOL(snd_sbmixer_read);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) EXPORT_SYMBOL(snd_sbmixer_new);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) EXPORT_SYMBOL(snd_sbmixer_add_ctl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) EXPORT_SYMBOL(snd_sbmixer_suspend);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) EXPORT_SYMBOL(snd_sbmixer_resume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) #endif