cs4236.c

是关于linux2.5.1的完全源码

/*
 *  Driver for generic CS4232/CS4235/CS4236/CS4236B/CS4237B/CS4238B/CS4239 chips
 *  Copyright (c) by Jaroslav Kysela <[e-mail]>
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <sound/driver.h>
#include <linux/init.h>
#include <linux/slab.h>
#ifndef LINUX_ISAPNP_H
#include <linux/isapnp.h>
#define isapnp_card pci_bus
#define isapnp_dev pci_dev
#endif
#include <sound/core.h>
#include <sound/cs4231.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
#define SNDRV_GET_ID
#include <sound/initval.h>

#define chip_t cs4231_t

EXPORT_NO_SYMBOLS;
MODULE_AUTHOR("Jaroslav Kysela <[e-mail]>");
MODULE_LICENSE("GPL");
MODULE_CLASSES("{sound}");
#ifdef CS4232
MODULE_DESCRIPTION("Cirrus Logic CS4232");
MODULE_DEVICES("{{Turtle Beach,TBS-2000},"
		"{Turtle Beach,Tropez Plus},"
		"{SIC CrystalWave 32},"
		"{Hewlett Packard,Omnibook 5500},"
		"{TerraTec,Maestro 32/96},"
		"{Philips,PCA70PS}}");
#else
MODULE_DESCRIPTION("Cirrus Logic CS4235-9");
MODULE_DEVICES("{{Crystal Semiconductors,CS4235},"
		"{Crystal Semiconductors,CS4236},"
		"{Crystal Semiconductors,CS4237},"
		"{Crystal Semiconductors,CS4238},"
		"{Crystal Semiconductors,CS4239},"
		"{Acer,AW37},"
		"{Acer,AW35/Pro},"
		"{Crystal,3D},"
		"{Crystal Computer,TidalWave128},"
		"{Dell,Optiplex GX1},"
		"{Dell,Workstation 400 sound},"
		"{EliteGroup,P5TX-LA sound},"
		"{Gallant,SC-70P},"
		"{Gateway,E1000 Onboard CS4236B},"
		"{Genius,Sound Maker 3DJ},"
		"{Hewlett Packard,HP6330 sound},"
		"{IBM,PC 300PL sound},"
		"{IBM,Aptiva 2137 E24},"
		"{IBM,IntelliStation M Pro},"
		"{Intel,Marlin Spike Mobo CS4235},"
		"{Guillemot,MaxiSound 16 PnP},"
		"{NewClear,3D},"
		"{TerraTec,AudioSystem EWS64L/XL},"
		"{Typhoon Soundsystem,CS4236B},"
		"{Turtle Beach,Malibu},"
		"{Unknown,Digital PC 5000 Onboard}}");
#endif

#ifdef CS4232
#define IDENT "CS4232"
#else
#define IDENT "CS4236+"
#endif

static int snd_index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
static char *snd_id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
static int snd_enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
#ifdef __ISAPNP__
static int snd_isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
#endif
static long snd_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static long snd_cport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static long snd_mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;/* PnP setup */
static long snd_fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static long snd_sb_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static int snd_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,11,12,15 */
static int snd_mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 9,11,12,15 */
static int snd_dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
static int snd_dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */

MODULE_PARM(snd_index, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(snd_index, "Index value for " IDENT " soundcard.");
MODULE_PARM_SYNTAX(snd_index, SNDRV_INDEX_DESC);
MODULE_PARM(snd_id, "1-" __MODULE_STRING(SNDRV_CARDS) "s");
MODULE_PARM_DESC(snd_id, "ID string for " IDENT " soundcard.");
MODULE_PARM_SYNTAX(snd_id, SNDRV_ID_DESC);
MODULE_PARM(snd_enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(snd_enable, "Enable " IDENT " soundcard.");
MODULE_PARM_SYNTAX(snd_enable, SNDRV_ENABLE_DESC);
#ifdef __ISAPNP__
MODULE_PARM(snd_isapnp, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(snd_isapnp, "ISA PnP detection for specified soundcard.");
MODULE_PARM_SYNTAX(snd_isapnp, SNDRV_ISAPNP_DESC);
#endif
MODULE_PARM(snd_port, "1-" __MODULE_STRING(SNDRV_CARDS) "l");
MODULE_PARM_DESC(snd_port, "Port # for " IDENT " driver.");
MODULE_PARM_SYNTAX(snd_port, SNDRV_PORT12_DESC);
MODULE_PARM(snd_cport, "1-" __MODULE_STRING(SNDRV_CARDS) "l");
MODULE_PARM_DESC(snd_cport, "Control port # for " IDENT " driver.");
MODULE_PARM_SYNTAX(snd_cport, SNDRV_PORT12_DESC);
MODULE_PARM(snd_mpu_port, "1-" __MODULE_STRING(SNDRV_CARDS) "l");
MODULE_PARM_DESC(snd_mpu_port, "MPU-401 port # for " IDENT " driver.");
MODULE_PARM_SYNTAX(snd_mpu_port, SNDRV_PORT12_DESC);
MODULE_PARM(snd_fm_port, "1-" __MODULE_STRING(SNDRV_CARDS) "l");
MODULE_PARM_DESC(snd_fm_port, "FM port # for " IDENT " driver.");
MODULE_PARM_SYNTAX(snd_fm_port, SNDRV_PORT12_DESC);
MODULE_PARM(snd_sb_port, "1-" __MODULE_STRING(SNDRV_CARDS) "l");
MODULE_PARM_DESC(snd_sb_port, "SB port # for " IDENT " driver (optional).");
MODULE_PARM_SYNTAX(snd_sb_port, SNDRV_PORT12_DESC);
MODULE_PARM(snd_irq, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(snd_irq, "IRQ # for " IDENT " driver.");
MODULE_PARM_SYNTAX(snd_irq, SNDRV_IRQ_DESC);
MODULE_PARM(snd_mpu_irq, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(snd_mpu_irq, "MPU-401 IRQ # for " IDENT " driver.");
MODULE_PARM_SYNTAX(snd_mpu_irq, SNDRV_IRQ_DESC);
MODULE_PARM(snd_dma1, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(snd_dma1, "DMA1 # for " IDENT " driver.");
MODULE_PARM_SYNTAX(snd_dma1, SNDRV_DMA_DESC);
MODULE_PARM(snd_dma2, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(snd_dma2, "DMA2 # for " IDENT " driver.");
MODULE_PARM_SYNTAX(snd_dma2, SNDRV_DMA_DESC);

struct snd_card_cs4236 {
	struct resource *res_sb_port;
#ifdef __ISAPNP__
	struct isapnp_dev *wss;
	struct isapnp_dev *ctrl;
	struct isapnp_dev *mpu;
#endif
};

static snd_card_t *snd_cs4236_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;

#ifdef __ISAPNP__

static struct isapnp_card *snd_cs4236_isapnp_cards[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_PTR;
static const struct isapnp_card_id *snd_cs4236_isapnp_id[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_PTR;

#define ISAPNP_CS4232(_va, _vb, _vc, _device, _wss, _ctrl, _mpu401) \
	{ \
		ISAPNP_CARD_ID(_va, _vb, _vc, _device), \
		devs : { ISAPNP_DEVICE_ID(_va, _vb, _vc, _wss), \
                         ISAPNP_DEVICE_ID(_va, _vb, _vc, _ctrl), \
			 ISAPNP_DEVICE_ID(_va, _vb, _vc, _mpu401) } \
        }
#define ISAPNP_CS4232_1(_va, _vb, _vc, _device, _wss, _ctrl, _mpu401) \
	{ \
		ISAPNP_CARD_ID(_va, _vb, _vc, _device), \
		devs : { ISAPNP_DEVICE_ID(_va, _vb, _vc, _wss), \
                         ISAPNP_DEVICE_ID(_va, _vb, _vc, _ctrl), \
			 ISAPNP_DEVICE_ID('P', 'N', 'P', _mpu401) } \
        }
#define ISAPNP_CS4232_WOMPU(_va, _vb, _vc, _device, _wss, _ctrl) \
	{ \
		ISAPNP_CARD_ID(_va, _vb, _vc, _device), \
		devs : { ISAPNP_DEVICE_ID(_va, _vb, _vc, _wss), \
                         ISAPNP_DEVICE_ID(_va, _vb, _vc, _ctrl) } \
        }


#ifdef CS4232
static struct isapnp_card_id snd_card_pnpids[] __devinitdata = {
	/* Philips PCA70PS */
	ISAPNP_CS4232_1('C','S','C',0x0d32,0x0000,0x0010,0xb006),
	/* TerraTec Maestro 32/96 (CS4232) */
	ISAPNP_CS4232('C','S','C',0x1a32,0x0000,0x0010,0x0003),
	/* HP Omnibook 5500 onboard */
	ISAPNP_CS4232('C','S','C',0x4232,0x0000,0x0002,0x0003),
	/* Turtle Beach TBS-2000 (CS4232) */
	ISAPNP_CS4232('C','S','C',0x7532,0x0000,0x0010,0xb006),
	/* Turtle Beach Tropez Plus (CS4232) */
	ISAPNP_CS4232_1('C','S','C',0x7632,0x0000,0x0010,0xb006),
	/* SIC CrystalWave 32 (CS4232) */
	ISAPNP_CS4232('C','S','C',0xf032,0x0000,0x0010,0x0003),
	/* --- */
	{ ISAPNP_CARD_END, }	/* end */
};
#else /* CS4236 */
static struct isapnp_card_id snd_card_pnpids[] __devinitdata = {
	/* Intel Marlin Spike Motherboard - CS4235 */
	ISAPNP_CS4232('C','S','C',0x0225,0x0000,0x0010,0x0003),
	/* Intel Marlin Spike Motherboard (#2) - CS4235 */
	ISAPNP_CS4232('C','S','C',0x0225,0x0100,0x0110,0x0103),
	/* Genius Sound Maker 3DJ - CS4237B */
	ISAPNP_CS4232('C','S','C',0x0437,0x0000,0x0010,0x0003),
	/* Digital PC 5000 Onboard - CS4236B */
	ISAPNP_CS4232_WOMPU('C','S','C',0x0735,0x0000,0x0010),
	/* some uknown CS4236B */
	ISAPNP_CS4232('C','S','C',0x0b35,0x0000,0x0010,0x0003),
	/* CS4235 on mainboard without MPU */
	ISAPNP_CS4232_WOMPU('C','S','C',0x1425,0x0100,0x0110),
	/* Gateway E1000 Onboard CS4236B */
	ISAPNP_CS4232('C','S','C',0x1335,0x0000,0x0010,0x0003),
	/* HP 6330 Onboard sound */
	ISAPNP_CS4232('C','S','C',0x1525,0x0100,0x0110,0x0103),
	/* Crystal Computer TidalWave128 */
	ISAPNP_CS4232('C','S','C',0x1e37,0x0000,0x0010,0x0003),
	/* ACER AW37 - CS4235 */
	ISAPNP_CS4232('C','S','C',0x4236,0x0000,0x0010,0x0003),
	/* build-in soundcard in EliteGroup P5TX-LA motherboard - CS4237B */
	ISAPNP_CS4232('C','S','C',0x4237,0x0000,0x0010,0x0003),
	/* Crystal 3D - CS4237B */
	ISAPNP_CS4232('C','S','C',0x4336,0x0000,0x0010,0x0003),
	/* Typhoon Soundsystem PnP - CS4236B */
	ISAPNP_CS4232('C','S','C',0x4536,0x0000,0x0010,0x0003),
	/* TerraTec AudioSystem EWS64XL - CS4236B */
	ISAPNP_CS4232('C','S','C',0xa836,0xa800,0xa810,0xa803),
	/* Crystal Semiconductors CS4237B */
	ISAPNP_CS4232('C','S','C',0x4637,0x0000,0x0010,0x0003),
	/* NewClear 3D - CX4237B-XQ3 */
	ISAPNP_CS4232('C','S','C',0x4837,0x0000,0x0010,0x0003),
	/* Dell Optiplex GX1 - CS4236B */
	ISAPNP_CS4232('C','S','C',0x6835,0x0000,0x0010,0x0003),
	/* Dell P410 motherboard - CS4236B */
	ISAPNP_CS4232_WOMPU('C','S','C',0x6835,0x0000,0x0010),
	/* Dell Workstation 400 Onboard - CS4236B */
	ISAPNP_CS4232('C','S','C',0x6836,0x0000,0x0010,0x0003),
	/* Turtle Beach Malibu - CS4237B */
	ISAPNP_CS4232('C','S','C',0x7537,0x0000,0x0010,0x0003),
	/* CS4235 - onboard */
	ISAPNP_CS4232('C','S','C',0x8025,0x0100,0x0110,0x0103),
	/* IBM PC 300PL Onboard - CS4236B */
	ISAPNP_CS4232_WOMPU('C','S','C',0xe836,0x0000,0x0010),
	/* IBM Aptiva 2137 E24 Onboard - CS4237B */
	ISAPNP_CS4232('C','S','C',0x8037,0x0000,0x0010,0x0003),
	/* IBM IntelliStation M Pro motherboard */
	ISAPNP_CS4232_WOMPU('C','S','C',0xc835,0x0000,0x0010),
	/* Guillemot MaxiSound 16 PnP - CS4236B */
	ISAPNP_CS4232('C','S','C',0x9836,0x0000,0x0010,0x0003),
	/* Gallant SC-70P */
	ISAPNP_CS4232('C','S','C',0x9837,0x0000,0x0010,0x0003),
	/* ACER AW37/Pro - CS4235 */
	ISAPNP_CS4232('C','S','C',0xd925,0x0000,0x0010,0x0003),
	/* ACER AW35/Pro - CS4237B */
	ISAPNP_CS4232('C','S','C',0xd937,0x0000,0x0010,0x0003),
	/* CS4235 without MPU401 */
	ISAPNP_CS4232_WOMPU('C','S','C',0xe825,0x0100,0x0110),
	/* CS4236B */
	ISAPNP_CS4232('C','S','C',0xf235,0x0000,0x0010,0x0003),
	/* CS4236B */
	ISAPNP_CS4232('C','S','C',0xf238,0x0000,0x0010,0x0003),
	/* --- */
	{ ISAPNP_CARD_END, }	/* end */
};
#endif

ISAPNP_CARD_TABLE(snd_card_pnpids);

static int __init snd_card_cs4236_isapnp(int dev, struct snd_card_cs4236 *acard)
{
	const struct isapnp_card_id *id = snd_cs4236_isapnp_id[dev];
	struct isapnp_card *card = snd_cs4236_isapnp_cards[dev];
	struct isapnp_dev *pdev;
	
	acard->wss = isapnp_find_dev(card, id->devs[0].vendor, id->devs[0].function, NULL);
	if (acard->wss->active) {
		acard->wss = NULL;
		return -EBUSY;
	}
	acard->ctrl = isapnp_find_dev(card, id->devs[1].vendor, id->devs[1].function, NULL);
	if (acard->ctrl->active) {
		acard->wss = acard->ctrl = NULL;
		return -EBUSY;
	}
	if (id->devs[2].vendor && id->devs[2].function) {
		acard->mpu = isapnp_find_dev(card, id->devs[2].vendor, id->devs[2].function, NULL);
		if (acard->mpu->active) {
			acard->wss = acard->ctrl = acard->mpu = NULL;
			return -EBUSY;
		}
	}

	/* WSS initialization */
	pdev = acard->wss;
	if (pdev->prepare(pdev) < 0)
		return -EAGAIN;
	if (snd_port[dev] != SNDRV_AUTO_PORT)
		isapnp_resource_change(&pdev->resource[0], snd_port[dev], 4);
	if (snd_fm_port[dev] != SNDRV_AUTO_PORT)
		isapnp_resource_change(&pdev->resource[1], snd_fm_port[dev], 4);
	if (snd_sb_port[dev] != SNDRV_AUTO_PORT)
		isapnp_resource_change(&pdev->resource[2], snd_sb_port[dev], 16);
	if (snd_irq[dev] != SNDRV_AUTO_IRQ)
		isapnp_resource_change(&pdev->irq_resource[0], snd_irq[dev], 1);
	if (snd_dma1[dev] != SNDRV_AUTO_DMA)
		isapnp_resource_change(&pdev->dma_resource[0], snd_dma1[dev], 1);
	if (snd_dma2[dev] != SNDRV_AUTO_DMA)
		isapnp_resource_change(&pdev->dma_resource[1], snd_dma2[dev] < 0 ? 4 : snd_dma2[dev], 1);
	if (pdev->activate(pdev)<0) {
		printk(KERN_ERR IDENT " isapnp configure failed for WSS (out of resources?)\n");
		return -EBUSY;
	}
	snd_port[dev] = pdev->resource[0].start;
	snd_fm_port[dev] = pdev->resource[1].start;
	snd_sb_port[dev] = pdev->resource[2].start;
	snd_irq[dev] = pdev->irq_resource[0].start;
	snd_dma1[dev] = pdev->dma_resource[0].start;
	snd_dma2[dev] = pdev->dma_resource[1].start == 4 ? -1 : pdev->dma_resource[1].start;
	snd_printdd("isapnp WSS: wss port=0x%lx, fm port=0x%lx, sb port=0x%lx\n",