Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / sound / isa / cs423x / cs4236.c
diff --git a/kernel/sound/isa/cs423x/cs4236.c b/kernel/sound/isa/cs423x/cs4236.c
new file mode 100644 (file)
index 0000000..9d7582c
--- /dev/null
@@ -0,0 +1,723 @@
+/*
+ *  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/pnp.h>
+#include <linux/module.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");
+MODULE_DESCRIPTION("Cirrus Logic CS4232-9");
+MODULE_SUPPORTED_DEVICE("{{Turtle Beach,TBS-2000},"
+               "{Turtle Beach,Tropez Plus},"
+               "{SIC CrystalWave 32},"
+               "{Hewlett Packard,Omnibook 5500},"
+               "{TerraTec,Maestro 32/96},"
+               "{Philips,PCA70PS}},"
+               "{{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}}");
+
+MODULE_ALIAS("snd_cs4232");
+
+#define IDENT "CS4232+"
+#define DEV_NAME "cs4232+"
+
+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_ISAPNP; /* Enable this card */
+#ifdef CONFIG_PNP
+static bool 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;
+static int pnp_registered;
+#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
+
+/*
+ * PNP BIOS
+ */
+static const struct pnp_device_id snd_cs423x_pnpbiosids[] = {
+       { .id = "CSC0100" },
+       { .id = "CSC0000" },
+       /* Guillemot Turtlebeach something appears to be cs4232 compatible
+        * (untested) */
+       { .id = "GIM0100" },
+       { .id = "" }
+};
+MODULE_DEVICE_TABLE(pnp, snd_cs423x_pnpbiosids);
+
+#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" } } },
+       /* 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 unknown 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 */
+};
+
+MODULE_DEVICE_TABLE(pnp_card, snd_cs423x_pnpids);
+
+/* WSS initialization */
+static int 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 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 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;
+}
+
+static int snd_card_cs423x_pnp(int dev, struct snd_card_cs4236 *acard,
+                              struct pnp_dev *pdev,
+                              struct pnp_dev *cdev)
+{
+       acard->wss = pdev;
+       if (snd_cs423x_pnp_init_wss(dev, acard->wss) < 0)
+               return -EBUSY;
+       if (cdev)
+               cport[dev] = pnp_port_start(cdev, 0);
+       else
+               cport[dev] = -1;
+       return 0;
+}
+
+static int 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 int snd_cs423x_card_new(struct device *pdev, int dev,
+                              struct snd_card **cardp)
+{
+       struct snd_card *card;
+       int err;
+
+       err = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE,
+                          sizeof(struct snd_card_cs4236), &card);
+       if (err < 0)
+               return err;
+       card->private_free = snd_card_cs4236_free;
+       *cardp = card;
+       return 0;
+}
+
+static int snd_cs423x_probe(struct snd_card *card, int dev)
+{
+       struct snd_card_cs4236 *acard;
+       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;
+               }
+
+       err = snd_cs4236_create(card, port[dev], cport[dev],
+                            irq[dev],
+                            dma1[dev], dma2[dev],
+                            WSS_HW_DETECT3, 0, &chip);
+       if (err < 0)
+               return err;
+
+       acard->chip = chip;
+       if (chip->hardware & WSS_HW_CS4236B_MASK) {
+
+               err = snd_cs4236_pcm(chip, 0);
+               if (err < 0)
+                       return err;
+
+               err = snd_cs4236_mixer(chip);
+               if (err < 0)
+                       return err;
+       } else {
+               err = snd_wss_pcm(chip, 0);
+               if (err < 0)
+                       return err;
+
+               err = snd_wss_mixer(chip);
+               if (err < 0)
+                       return err;
+       }
+       strcpy(card->driver, chip->pcm->name);
+       strcpy(card->shortname, chip->pcm->name);
+       sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i",
+               chip->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);
+       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], NULL) < 0)
+                       printk(KERN_WARNING IDENT ": MPU401 not detected\n");
+       }
+
+       return snd_card_register(card);
+}
+
+static int 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) {
+               dev_err(pdev, "please specify port\n");
+               return 0;
+       }
+       if (cport[dev] == SNDRV_AUTO_PORT) {
+               dev_err(pdev, "please specify cport\n");
+               return 0;
+       }
+       if (irq[dev] == SNDRV_AUTO_IRQ) {
+               dev_err(pdev, "please specify irq\n");
+               return 0;
+       }
+       if (dma1[dev] == SNDRV_AUTO_DMA) {
+               dev_err(pdev, "please specify dma1\n");
+               return 0;
+       }
+       return 1;
+}
+
+static int snd_cs423x_isa_probe(struct device *pdev,
+                               unsigned int dev)
+{
+       struct snd_card *card;
+       int err;
+
+       err = snd_cs423x_card_new(pdev, dev, &card);
+       if (err < 0)
+               return err;
+       if ((err = snd_cs423x_probe(card, dev)) < 0) {
+               snd_card_free(card);
+               return err;
+       }
+
+       dev_set_drvdata(pdev, card);
+       return 0;
+}
+
+static int snd_cs423x_isa_remove(struct device *pdev,
+                                unsigned int dev)
+{
+       snd_card_free(dev_get_drvdata(pdev));
+       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         = 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
+static int snd_cs423x_pnpbios_detect(struct pnp_dev *pdev,
+                                    const struct pnp_device_id *id)
+{
+       static int dev;
+       int err;
+       struct snd_card *card;
+       struct pnp_dev *cdev;
+       char cid[PNP_ID_LEN];
+
+       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;
+
+       /* prepare second id */
+       strcpy(cid, pdev->id[0].id);
+       cid[5] = '1';
+       cdev = NULL;
+       list_for_each_entry(cdev, &(pdev->protocol->devices), protocol_list) {
+               if (!strcmp(cdev->id[0].id, cid))
+                       break;
+       }
+       err = snd_cs423x_card_new(&pdev->dev, dev, &card);
+       if (err < 0)
+               return err;
+       err = snd_card_cs423x_pnp(dev, card->private_data, pdev, cdev);
+       if (err < 0) {
+               printk(KERN_ERR "PnP BIOS detection failed for " IDENT "\n");
+               snd_card_free(card);
+               return err;
+       }
+       if ((err = snd_cs423x_probe(card, dev)) < 0) {
+               snd_card_free(card);
+               return err;
+       }
+       pnp_set_drvdata(pdev, card);
+       dev++;
+       return 0;
+}
+
+static void snd_cs423x_pnp_remove(struct pnp_dev *pdev)
+{
+       snd_card_free(pnp_get_drvdata(pdev));
+}
+
+#ifdef CONFIG_PM
+static int snd_cs423x_pnp_suspend(struct pnp_dev *pdev, pm_message_t state)
+{
+       return snd_cs423x_suspend(pnp_get_drvdata(pdev));
+}
+
+static int snd_cs423x_pnp_resume(struct pnp_dev *pdev)
+{
+       return snd_cs423x_resume(pnp_get_drvdata(pdev));
+}
+#endif
+
+static struct pnp_driver cs423x_pnp_driver = {
+       .name = "cs423x-pnpbios",
+       .id_table = snd_cs423x_pnpbiosids,
+       .probe = snd_cs423x_pnpbios_detect,
+       .remove = snd_cs423x_pnp_remove,
+#ifdef CONFIG_PM
+       .suspend        = snd_cs423x_pnp_suspend,
+       .resume         = snd_cs423x_pnp_resume,
+#endif
+};
+
+static int 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;
+
+       res = snd_cs423x_card_new(&pcard->card->dev, dev, &card);
+       if (res < 0)
+               return res;
+       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;
+       }
+       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 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 = 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;
+       err = pnp_register_driver(&cs423x_pnp_driver);
+       if (!err)
+               pnp_registered = 1;
+       err = pnp_register_card_driver(&cs423x_pnpc_driver);
+       if (!err)
+               pnpc_registered = 1;
+       if (pnp_registered)
+               err = 0;
+       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);
+       if (pnp_registered)
+               pnp_unregister_driver(&cs423x_pnp_driver);
+       if (isa_registered)
+#endif
+               isa_unregister_driver(&cs423x_isa_driver);
+}
+
+module_init(alsa_card_cs423x_init)
+module_exit(alsa_card_cs423x_exit)