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root/sound/isa/cs423x/cs4236.c

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DEFINITIONS

This source file includes following definitions.
  1. snd_cs423x_pnp_init_wss
  2. snd_cs423x_pnp_init_ctrl
  3. snd_cs423x_pnp_init_mpu
  4. snd_card_cs4232_pnp
  5. snd_card_cs423x_pnpc
  6. snd_card_cs4236_free
  7. snd_cs423x_card_new
  8. snd_cs423x_probe
  9. snd_cs423x_isa_match
  10. snd_cs423x_isa_probe
  11. snd_cs423x_isa_remove
  12. snd_cs423x_suspend
  13. snd_cs423x_resume
  14. snd_cs423x_isa_suspend
  15. snd_cs423x_isa_resume
  16. snd_cs4232_pnpbios_detect
  17. snd_cs4232_pnp_remove
  18. snd_cs4232_pnp_suspend
  19. snd_cs4232_pnp_resume
  20. snd_cs423x_pnpc_detect
  21. snd_cs423x_pnpc_remove
  22. snd_cs423x_pnpc_suspend
  23. snd_cs423x_pnpc_resume
  24. alsa_card_cs423x_init
  25. alsa_card_cs423x_exit

/*
 *  Driver for generic CS4232/CS4235/CS4236/CS4236B/CS4237B/CS4238B/CS4239 chips
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 *
 *
 *   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 <linux/init.h>
#include <linux/err.h>
#include <linux/isa.h>
#include <linux/slab.h>
#include <linux/pnp.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/wss.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
#include <sound/initval.h>

MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
#ifdef CS4232
MODULE_DESCRIPTION("Cirrus Logic CS4232");
MODULE_SUPPORTED_DEVICE("{{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_SUPPORTED_DEVICE("{{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},"
                "{Intel PR440FX Onboard},"
                "{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"
#define DEV_NAME "cs4232"
#else
#define IDENT "CS4236+"
#define DEV_NAME "cs4236"
#endif

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
#ifdef CONFIG_PNP
static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
#endif
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* PnP setup */
static long cport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;    /* PnP setup */
static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;/* PnP setup */
static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;  /* PnP setup */
static long sb_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 " IDENT " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " IDENT " soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable " IDENT " soundcard.");
#ifdef CONFIG_PNP
module_param_array(isapnp, bool, NULL, 0444);
MODULE_PARM_DESC(isapnp, "ISA PnP detection for specified soundcard.");
#endif
module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for " IDENT " driver.");
module_param_array(cport, long, NULL, 0444);
MODULE_PARM_DESC(cport, "Control port # for " IDENT " driver.");
module_param_array(mpu_port, long, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " IDENT " driver.");
module_param_array(fm_port, long, NULL, 0444);
MODULE_PARM_DESC(fm_port, "FM port # for " IDENT " driver.");
module_param_array(sb_port, long, NULL, 0444);
MODULE_PARM_DESC(sb_port, "SB port # for " IDENT " driver (optional).");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " IDENT " driver.");
module_param_array(mpu_irq, int, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " IDENT " driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for " IDENT " driver.");
module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for " IDENT " driver.");

#ifdef CONFIG_PNP
static int isa_registered;
static int pnpc_registered;
#ifdef CS4232
static int pnp_registered;
#endif
#endif /* CONFIG_PNP */

struct snd_card_cs4236 {
        struct snd_wss *chip;
        struct resource *res_sb_port;
#ifdef CONFIG_PNP
        struct pnp_dev *wss;
        struct pnp_dev *ctrl;
        struct pnp_dev *mpu;
#endif
};

#ifdef CONFIG_PNP

#ifdef CS4232
/*
 * PNP BIOS
 */
static const struct pnp_device_id snd_cs4232_pnpbiosids[] = {
        { .id = "CSC0100" },
        { .id = "CSC0000" },
        /* Guillemot Turtlebeach something appears to be cs4232 compatible
         * (untested) */
        { .id = "GIM0100" },
        { .id = "" }
};
MODULE_DEVICE_TABLE(pnp, snd_cs4232_pnpbiosids);
#endif /* CS4232 */

#ifdef CS4232
#define CS423X_ISAPNP_DRIVER    "cs4232_isapnp"
static struct pnp_card_device_id snd_cs423x_pnpids[] = {
        /* Philips PCA70PS */
        { .id = "CSC0d32", .devs = { { "CSC0000" }, { "CSC0010" }, { "PNPb006" } } },
        /* TerraTec Maestro 32/96 (CS4232) */
        { .id = "CSC1a32", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* HP Omnibook 5500 onboard */
        { .id = "CSC4232", .devs = { { "CSC0000" }, { "CSC0002" }, { "CSC0003" } } },
        /* Unnamed CS4236 card (Made in Taiwan) */
        { .id = "CSC4236", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* Turtle Beach TBS-2000 (CS4232) */
        { .id = "CSC7532", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSCb006" } } },
        /* Turtle Beach Tropez Plus (CS4232) */
        { .id = "CSC7632", .devs = { { "CSC0000" }, { "CSC0010" }, { "PNPb006" } } },
        /* SIC CrystalWave 32 (CS4232) */
        { .id = "CSCf032", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* Netfinity 3000 on-board soundcard */
        { .id = "CSCe825", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC010f" } } },
        /* --- */
        { .id = "" }    /* end */
};
#else /* CS4236 */
#define CS423X_ISAPNP_DRIVER    "cs4236_isapnp"
static struct pnp_card_device_id snd_cs423x_pnpids[] = {
        /* Intel Marlin Spike Motherboard - CS4235 */
        { .id = "CSC0225", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* Intel Marlin Spike Motherboard (#2) - CS4235 */
        { .id = "CSC0225", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
        /* Unknown Intel mainboard - CS4235 */
        { .id = "CSC0225", .devs = { { "CSC0100" }, { "CSC0110" } } },
        /* Genius Sound Maker 3DJ - CS4237B */
        { .id = "CSC0437", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* Digital PC 5000 Onboard - CS4236B */
        { .id = "CSC0735", .devs = { { "CSC0000" }, { "CSC0010" } } },
        /* some uknown CS4236B */
        { .id = "CSC0b35", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* Intel PR440FX Onboard sound */
        { .id = "CSC0b36", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* CS4235 on mainboard without MPU */
        { .id = "CSC1425", .devs = { { "CSC0100" }, { "CSC0110" } } },
        /* Gateway E1000 Onboard CS4236B */
        { .id = "CSC1335", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* HP 6330 Onboard sound */
        { .id = "CSC1525", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
        /* Crystal Computer TidalWave128 */
        { .id = "CSC1e37", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* ACER AW37 - CS4235 */
        { .id = "CSC4236", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* build-in soundcard in EliteGroup P5TX-LA motherboard - CS4237B */
        { .id = "CSC4237", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* Crystal 3D - CS4237B */
        { .id = "CSC4336", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* Typhoon Soundsystem PnP - CS4236B */
        { .id = "CSC4536", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* Crystal CX4235-XQ3 EP - CS4235 */
        { .id = "CSC4625", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
        /* Crystal Semiconductors CS4237B */
        { .id = "CSC4637", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* NewClear 3D - CX4237B-XQ3 */
        { .id = "CSC4837", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* Dell Optiplex GX1 - CS4236B */
        { .id = "CSC6835", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* Dell P410 motherboard - CS4236B */
        { .id = "CSC6835", .devs = { { "CSC0000" }, { "CSC0010" } } },
        /* Dell Workstation 400 Onboard - CS4236B */
        { .id = "CSC6836", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* Turtle Beach Malibu - CS4237B */
        { .id = "CSC7537", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* CS4235 - onboard */
        { .id = "CSC8025", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
        /* IBM Aptiva 2137 E24 Onboard - CS4237B */
        { .id = "CSC8037", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* IBM IntelliStation M Pro motherboard */
        { .id = "CSCc835", .devs = { { "CSC0000" }, { "CSC0010" } } },
        /* Guillemot MaxiSound 16 PnP - CS4236B */
        { .id = "CSC9836", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* Gallant SC-70P */
        { .id = "CSC9837", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* Techmakers MF-4236PW */
        { .id = "CSCa736", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* TerraTec AudioSystem EWS64XL - CS4236B */
        { .id = "CSCa836", .devs = { { "CSCa800" }, { "CSCa810" }, { "CSCa803" } } },
        /* TerraTec AudioSystem EWS64XL - CS4236B */
        { .id = "CSCa836", .devs = { { "CSCa800" }, { "CSCa810" } } },
        /* ACER AW37/Pro - CS4235 */
        { .id = "CSCd925", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* ACER AW35/Pro - CS4237B */
        { .id = "CSCd937", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* CS4235 without MPU401 */
        { .id = "CSCe825", .devs = { { "CSC0100" }, { "CSC0110" } } },
        /* Unknown SiS530 - CS4235 */
        { .id = "CSC4825", .devs = { { "CSC0100" }, { "CSC0110" } } },
        /* IBM IntelliStation M Pro 6898 11U - CS4236B */
        { .id = "CSCe835", .devs = { { "CSC0000" }, { "CSC0010" } } },
        /* IBM PC 300PL Onboard - CS4236B */
        { .id = "CSCe836", .devs = { { "CSC0000" }, { "CSC0010" } } },
        /* Some noname CS4236 based card */
        { .id = "CSCe936", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* CS4236B */
        { .id = "CSCf235", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* CS4236B */
        { .id = "CSCf238", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
        /* --- */
        { .id = "" }    /* end */
};
#endif

MODULE_DEVICE_TABLE(pnp_card, snd_cs423x_pnpids);

/* WSS initialization */
static int __devinit snd_cs423x_pnp_init_wss(int dev, struct pnp_dev *pdev)
{
        if (pnp_activate_dev(pdev) < 0) {
                printk(KERN_ERR IDENT " WSS PnP configure failed for WSS (out of resources?)\n");
                return -EBUSY;
        }
        port[dev] = pnp_port_start(pdev, 0);
        if (fm_port[dev] > 0)
                fm_port[dev] = pnp_port_start(pdev, 1);
        sb_port[dev] = pnp_port_start(pdev, 2);
        irq[dev] = pnp_irq(pdev, 0);
        dma1[dev] = pnp_dma(pdev, 0);
        dma2[dev] = pnp_dma(pdev, 1) == 4 ? -1 : (int)pnp_dma(pdev, 1);
        snd_printdd("isapnp WSS: wss port=0x%lx, fm port=0x%lx, sb port=0x%lx\n",
                        port[dev], fm_port[dev], sb_port[dev]);
        snd_printdd("isapnp WSS: irq=%i, dma1=%i, dma2=%i\n",
                        irq[dev], dma1[dev], dma2[dev]);
        return 0;
}

/* CTRL initialization */
static int __devinit snd_cs423x_pnp_init_ctrl(int dev, struct pnp_dev *pdev)
{
        if (pnp_activate_dev(pdev) < 0) {
                printk(KERN_ERR IDENT " CTRL PnP configure failed for WSS (out of resources?)\n");
                return -EBUSY;
        }
        cport[dev] = pnp_port_start(pdev, 0);
        snd_printdd("isapnp CTRL: control port=0x%lx\n", cport[dev]);
        return 0;
}

/* MPU initialization */
static int __devinit snd_cs423x_pnp_init_mpu(int dev, struct pnp_dev *pdev)
{
        if (pnp_activate_dev(pdev) < 0) {
                printk(KERN_ERR IDENT " MPU401 PnP configure failed for WSS (out of resources?)\n");
                mpu_port[dev] = SNDRV_AUTO_PORT;
                mpu_irq[dev] = SNDRV_AUTO_IRQ;
        } else {
                mpu_port[dev] = pnp_port_start(pdev, 0);
                if (mpu_irq[dev] >= 0 &&
                    pnp_irq_valid(pdev, 0) && pnp_irq(pdev, 0) >= 0) {
                        mpu_irq[dev] = pnp_irq(pdev, 0);
                } else {
                        mpu_irq[dev] = -1;      /* disable interrupt */
                }
        }
        snd_printdd("isapnp MPU: port=0x%lx, irq=%i\n", mpu_port[dev], mpu_irq[dev]);
        return 0;
}

#ifdef CS4232
static int __devinit snd_card_cs4232_pnp(int dev, struct snd_card_cs4236 *acard,
                                         struct pnp_dev *pdev)
{
        acard->wss = pdev;
        if (snd_cs423x_pnp_init_wss(dev, acard->wss) < 0)
                return -EBUSY;
        cport[dev] = -1;
        return 0;
}
#endif

static int __devinit snd_card_cs423x_pnpc(int dev, struct snd_card_cs4236 *acard,
                                          struct pnp_card_link *card,
                                          const struct pnp_card_device_id *id)
{
        acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL);
        if (acard->wss == NULL)
                return -EBUSY;
        acard->ctrl = pnp_request_card_device(card, id->devs[1].id, NULL);
        if (acard->ctrl == NULL)
                return -EBUSY;
        if (id->devs[2].id[0]) {
                acard->mpu = pnp_request_card_device(card, id->devs[2].id, NULL);
                if (acard->mpu == NULL)
                        return -EBUSY;
        }

        /* WSS initialization */
        if (snd_cs423x_pnp_init_wss(dev, acard->wss) < 0)
                return -EBUSY;

        /* CTRL initialization */
        if (acard->ctrl && cport[dev] > 0) {
                if (snd_cs423x_pnp_init_ctrl(dev, acard->ctrl) < 0)
                        return -EBUSY;
        }
        /* MPU initialization */
        if (acard->mpu && mpu_port[dev] > 0) {
                if (snd_cs423x_pnp_init_mpu(dev, acard->mpu) < 0)
                        return -EBUSY;
        }
        return 0;
}
#endif /* CONFIG_PNP */

#ifdef CONFIG_PNP
#define is_isapnp_selected(dev)         isapnp[dev]
#else
#define is_isapnp_selected(dev)         0
#endif

static void snd_card_cs4236_free(struct snd_card *card)
{
        struct snd_card_cs4236 *acard = card->private_data;

        release_and_free_resource(acard->res_sb_port);
}

static struct snd_card *snd_cs423x_card_new(int dev)
{
        struct snd_card *card;

        card = snd_card_new(index[dev], id[dev], THIS_MODULE,
                            sizeof(struct snd_card_cs4236));
        if (card == NULL)
                return NULL;
        card->private_free = snd_card_cs4236_free;
        return card;
}

static int __devinit snd_cs423x_probe(struct snd_card *card, int dev)
{
        struct snd_card_cs4236 *acard;
        struct snd_pcm *pcm;
        struct snd_wss *chip;
        struct snd_opl3 *opl3;
        int err;

        acard = card->private_data;
        if (sb_port[dev] > 0 && sb_port[dev] != SNDRV_AUTO_PORT)
                if ((acard->res_sb_port = request_region(sb_port[dev], 16, IDENT " SB")) == NULL) {
                        printk(KERN_ERR IDENT ": unable to register SB port at 0x%lx\n", sb_port[dev]);
                        return -EBUSY;
                }

#ifdef CS4232
        err = snd_wss_create(card, port[dev], cport[dev],
                             irq[dev],
                             dma1[dev], dma2[dev],
                             WSS_HW_DETECT, 0, &chip);
        if (err < 0)
                return err;
        acard->chip = chip;

        err = snd_wss_pcm(chip, 0, &pcm);
        if (err < 0)
                return err;

        err = snd_wss_mixer(chip);
        if (err < 0)
                return err;

#else /* CS4236 */
        err = snd_cs4236_create(card,
                                port[dev], cport[dev],
                                irq[dev], dma1[dev], dma2[dev],
                                WSS_HW_DETECT, 0, &chip);
        if (err < 0)
                return err;
        acard->chip = chip;

        err = snd_cs4236_pcm(chip, 0, &pcm);
        if (err < 0)
                return err;

        err = snd_cs4236_mixer(chip);
        if (err < 0)
                return err;
#endif
        strcpy(card->driver, pcm->name);
        strcpy(card->shortname, pcm->name);
        sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i",
                pcm->name,
                chip->port,
                irq[dev],
                dma1[dev]);
        if (dma2[dev] >= 0)
                sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);

        err = snd_wss_timer(chip, 0, NULL);
        if (err < 0)
                return err;

        if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
                if (snd_opl3_create(card,
                                    fm_port[dev], fm_port[dev] + 2,
                                    OPL3_HW_OPL3_CS, 0, &opl3) < 0) {
                        printk(KERN_WARNING IDENT ": OPL3 not detected\n");
                } else {
                        if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
                                return err;
                }
        }

        if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
                if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
                        mpu_irq[dev] = -1;
                if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
                                        mpu_port[dev], 0,
                                        mpu_irq[dev],
                                        mpu_irq[dev] >= 0 ? IRQF_DISABLED : 0, NULL) < 0)
                        printk(KERN_WARNING IDENT ": MPU401 not detected\n");
        }

        return snd_card_register(card);
}

static int __devinit snd_cs423x_isa_match(struct device *pdev,
                                          unsigned int dev)
{
        if (!enable[dev] || is_isapnp_selected(dev))
                return 0;

        if (port[dev] == SNDRV_AUTO_PORT) {
                snd_printk(KERN_ERR "%s: please specify port\n", pdev->bus_id);
                return 0;
        }
        if (cport[dev] == SNDRV_AUTO_PORT) {
                snd_printk(KERN_ERR "%s: please specify cport\n", pdev->bus_id);
                return 0;
        }
        if (irq[dev] == SNDRV_AUTO_IRQ) {
                snd_printk(KERN_ERR "%s: please specify irq\n", pdev->bus_id);
                return 0;
        }
        if (dma1[dev] == SNDRV_AUTO_DMA) {
                snd_printk(KERN_ERR "%s: please specify dma1\n", pdev->bus_id);
                return 0;
        }
        return 1;
}

static int __devinit snd_cs423x_isa_probe(struct device *pdev,
                                          unsigned int dev)
{
        struct snd_card *card;
        int err;

        card = snd_cs423x_card_new(dev);
        if (! card)
                return -ENOMEM;
        snd_card_set_dev(card, pdev);
        if ((err = snd_cs423x_probe(card, dev)) < 0) {
                snd_card_free(card);
                return err;
        }

        dev_set_drvdata(pdev, card);
        return 0;
}

static int __devexit snd_cs423x_isa_remove(struct device *pdev,
                                           unsigned int dev)
{
        snd_card_free(dev_get_drvdata(pdev));
        dev_set_drvdata(pdev, NULL);
        return 0;
}

#ifdef CONFIG_PM
static int snd_cs423x_suspend(struct snd_card *card)
{
        struct snd_card_cs4236 *acard = card->private_data;
        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
        acard->chip->suspend(acard->chip);
        return 0;
}

static int snd_cs423x_resume(struct snd_card *card)
{
        struct snd_card_cs4236 *acard = card->private_data;
        acard->chip->resume(acard->chip);
        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
        return 0;
}

static int snd_cs423x_isa_suspend(struct device *dev, unsigned int n,
                                  pm_message_t state)
{
        return snd_cs423x_suspend(dev_get_drvdata(dev));
}

static int snd_cs423x_isa_resume(struct device *dev, unsigned int n)
{
        return snd_cs423x_resume(dev_get_drvdata(dev));
}
#endif

static struct isa_driver cs423x_isa_driver = {
        .match          = snd_cs423x_isa_match,
        .probe          = snd_cs423x_isa_probe,
        .remove         = __devexit_p(snd_cs423x_isa_remove),
#ifdef CONFIG_PM
        .suspend        = snd_cs423x_isa_suspend,
        .resume         = snd_cs423x_isa_resume,
#endif
        .driver         = {
                .name   = DEV_NAME
        },
};


#ifdef CONFIG_PNP
#ifdef CS4232
static int __devinit snd_cs4232_pnpbios_detect(struct pnp_dev *pdev,
                                               const struct pnp_device_id *id)
{
        static int dev;
        int err;
        struct snd_card *card;

        if (pnp_device_is_isapnp(pdev))
                return -ENOENT; /* we have another procedure - card */
        for (; dev < SNDRV_CARDS; dev++) {
                if (enable[dev] && isapnp[dev])
                        break;
        }
        if (dev >= SNDRV_CARDS)
                return -ENODEV;

        card = snd_cs423x_card_new(dev);
        if (! card)
                return -ENOMEM;
        if ((err = snd_card_cs4232_pnp(dev, card->private_data, pdev)) < 0) {
                printk(KERN_ERR "PnP BIOS detection failed for " IDENT "\n");
                snd_card_free(card);
                return err;
        }
        snd_card_set_dev(card, &pdev->dev);
        if ((err = snd_cs423x_probe(card, dev)) < 0) {
                snd_card_free(card);
                return err;
        }
        pnp_set_drvdata(pdev, card);
        dev++;
        return 0;
}

static void __devexit snd_cs4232_pnp_remove(struct pnp_dev * pdev)
{
        snd_card_free(pnp_get_drvdata(pdev));
        pnp_set_drvdata(pdev, NULL);
}

#ifdef CONFIG_PM
static int snd_cs4232_pnp_suspend(struct pnp_dev *pdev, pm_message_t state)
{
        return snd_cs423x_suspend(pnp_get_drvdata(pdev));
}

static int snd_cs4232_pnp_resume(struct pnp_dev *pdev)
{
        return snd_cs423x_resume(pnp_get_drvdata(pdev));
}
#endif

static struct pnp_driver cs4232_pnp_driver = {
        .name = "cs4232-pnpbios",
        .id_table = snd_cs4232_pnpbiosids,
        .probe = snd_cs4232_pnpbios_detect,
        .remove = __devexit_p(snd_cs4232_pnp_remove),
#ifdef CONFIG_PM
        .suspend        = snd_cs4232_pnp_suspend,
        .resume         = snd_cs4232_pnp_resume,
#endif
};
#endif /* CS4232 */

static int __devinit snd_cs423x_pnpc_detect(struct pnp_card_link *pcard,
                                            const struct pnp_card_device_id *pid)
{
        static int dev;
        struct snd_card *card;
        int res;

        for ( ; dev < SNDRV_CARDS; dev++) {
                if (enable[dev] && isapnp[dev])
                        break;
        }
        if (dev >= SNDRV_CARDS)
                return -ENODEV;

        card = snd_cs423x_card_new(dev);
        if (! card)
                return -ENOMEM;
        if ((res = snd_card_cs423x_pnpc(dev, card->private_data, pcard, pid)) < 0) {
                printk(KERN_ERR "isapnp detection failed and probing for " IDENT
                       " is not supported\n");
                snd_card_free(card);
                return res;
        }
        snd_card_set_dev(card, &pcard->card->dev);
        if ((res = snd_cs423x_probe(card, dev)) < 0) {
                snd_card_free(card);
                return res;
        }
        pnp_set_card_drvdata(pcard, card);
        dev++;
        return 0;
}

static void __devexit snd_cs423x_pnpc_remove(struct pnp_card_link * pcard)
{
        snd_card_free(pnp_get_card_drvdata(pcard));
        pnp_set_card_drvdata(pcard, NULL);
}

#ifdef CONFIG_PM
static int snd_cs423x_pnpc_suspend(struct pnp_card_link *pcard, pm_message_t state)
{
        return snd_cs423x_suspend(pnp_get_card_drvdata(pcard));
}

static int snd_cs423x_pnpc_resume(struct pnp_card_link *pcard)
{
        return snd_cs423x_resume(pnp_get_card_drvdata(pcard));
}
#endif

static struct pnp_card_driver cs423x_pnpc_driver = {
        .flags = PNP_DRIVER_RES_DISABLE,
        .name = CS423X_ISAPNP_DRIVER,
        .id_table = snd_cs423x_pnpids,
        .probe = snd_cs423x_pnpc_detect,
        .remove = __devexit_p(snd_cs423x_pnpc_remove),
#ifdef CONFIG_PM
        .suspend        = snd_cs423x_pnpc_suspend,
        .resume         = snd_cs423x_pnpc_resume,
#endif
};
#endif /* CONFIG_PNP */

static int __init alsa_card_cs423x_init(void)
{
        int err;

        err = isa_register_driver(&cs423x_isa_driver, SNDRV_CARDS);
#ifdef CONFIG_PNP
        if (!err)
                isa_registered = 1;
#ifdef CS4232
        err = pnp_register_driver(&cs4232_pnp_driver);
        if (!err)
                pnp_registered = 1;
#endif
        err = pnp_register_card_driver(&cs423x_pnpc_driver);
        if (!err)
                pnpc_registered = 1;
#ifdef CS4232
        if (pnp_registered)
                err = 0;
#endif
        if (isa_registered)
                err = 0;
#endif
        return err;
}

static void __exit alsa_card_cs423x_exit(void)
{
#ifdef CONFIG_PNP
        if (pnpc_registered)
                pnp_unregister_card_driver(&cs423x_pnpc_driver);
#ifdef CS4232
        if (pnp_registered)
                pnp_unregister_driver(&cs4232_pnp_driver);
#endif
        if (isa_registered)
#endif
                isa_unregister_driver(&cs423x_isa_driver);
}

module_init(alsa_card_cs423x_init)
module_exit(alsa_card_cs423x_exit)

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