isa/cs423x/cs4236.c

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  *  Driver for generic CS4232/CS4235/CS4236/CS4236B/CS4237B/CS4238B/CS4239 chips
0004  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
0005  */
0006
0007 #include <linux/init.h>
0008 #include <linux/err.h>
0009 #include <linux/isa.h>
0010 #include <linux/pnp.h>
0011 #include <linux/module.h>
0012 #include <sound/core.h>
0013 #include <sound/wss.h>
0014 #include <sound/mpu401.h>
0015 #include <sound/opl3.h>
0016 #include <sound/initval.h>
0017
0018 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
0019 MODULE_LICENSE("GPL");
0020 MODULE_DESCRIPTION("Cirrus Logic CS4232-9");
0021 MODULE_ALIAS("snd_cs4232");
0022
0023 #define IDENT "CS4232+"
0024 #define DEV_NAME "cs4232+"
0025
0026 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;  /* Index 0-MAX */
0027 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;   /* ID for this card */
0028 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
0029 #ifdef CONFIG_PNP
0030 static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
0031 #endif
0032 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
0033 static long cport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;    /* PnP setup */
0034 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;/* PnP setup */
0035 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;  /* PnP setup */
0036 static long sb_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;  /* PnP setup */
0037 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 5,7,9,11,12,15 */
0038 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 9,11,12,15 */
0039 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;   /* 0,1,3,5,6,7 */
0040 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;   /* 0,1,3,5,6,7 */
0041
0042 module_param_array(index, int, NULL, 0444);
0043 MODULE_PARM_DESC(index, "Index value for " IDENT " soundcard.");
0044 module_param_array(id, charp, NULL, 0444);
0045 MODULE_PARM_DESC(id, "ID string for " IDENT " soundcard.");
0046 module_param_array(enable, bool, NULL, 0444);
0047 MODULE_PARM_DESC(enable, "Enable " IDENT " soundcard.");
0048 #ifdef CONFIG_PNP
0049 module_param_array(isapnp, bool, NULL, 0444);
0050 MODULE_PARM_DESC(isapnp, "ISA PnP detection for specified soundcard.");
0051 #endif
0052 module_param_hw_array(port, long, ioport, NULL, 0444);
0053 MODULE_PARM_DESC(port, "Port # for " IDENT " driver.");
0054 module_param_hw_array(cport, long, ioport, NULL, 0444);
0055 MODULE_PARM_DESC(cport, "Control port # for " IDENT " driver.");
0056 module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
0057 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " IDENT " driver.");
0058 module_param_hw_array(fm_port, long, ioport, NULL, 0444);
0059 MODULE_PARM_DESC(fm_port, "FM port # for " IDENT " driver.");
0060 module_param_hw_array(sb_port, long, ioport, NULL, 0444);
0061 MODULE_PARM_DESC(sb_port, "SB port # for " IDENT " driver (optional).");
0062 module_param_hw_array(irq, int, irq, NULL, 0444);
0063 MODULE_PARM_DESC(irq, "IRQ # for " IDENT " driver.");
0064 module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
0065 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " IDENT " driver.");
0066 module_param_hw_array(dma1, int, dma, NULL, 0444);
0067 MODULE_PARM_DESC(dma1, "DMA1 # for " IDENT " driver.");
0068 module_param_hw_array(dma2, int, dma, NULL, 0444);
0069 MODULE_PARM_DESC(dma2, "DMA2 # for " IDENT " driver.");
0070
0071 #ifdef CONFIG_PNP
0072 static int isa_registered;
0073 static int pnpc_registered;
0074 static int pnp_registered;
0075 #endif /* CONFIG_PNP */
0076
0077 struct snd_card_cs4236 {
0078     struct snd_wss *chip;
0079 #ifdef CONFIG_PNP
0080     struct pnp_dev *wss;
0081     struct pnp_dev *ctrl;
0082     struct pnp_dev *mpu;
0083 #endif
0084 };
0085
0086 #ifdef CONFIG_PNP
0087
0088 /*
0089  * PNP BIOS
0090  */
0091 static const struct pnp_device_id snd_cs423x_pnpbiosids[] = {
0092     { .id = "CSC0100" },
0093     { .id = "CSC0000" },
0094     /* Guillemot Turtlebeach something appears to be cs4232 compatible
0095      * (untested) */
0096     { .id = "GIM0100" },
0097     { .id = "" }
0098 };
0099 MODULE_DEVICE_TABLE(pnp, snd_cs423x_pnpbiosids);
0100
0101 #define CS423X_ISAPNP_DRIVER    "cs4232_isapnp"
0102 static const struct pnp_card_device_id snd_cs423x_pnpids[] = {
0103     /* Philips PCA70PS */
0104     { .id = "CSC0d32", .devs = { { "CSC0000" }, { "CSC0010" }, { "PNPb006" } } },
0105     /* TerraTec Maestro 32/96 (CS4232) */
0106     { .id = "CSC1a32", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0107     /* HP Omnibook 5500 onboard */
0108     { .id = "CSC4232", .devs = { { "CSC0000" }, { "CSC0002" }, { "CSC0003" } } },
0109     /* Unnamed CS4236 card (Made in Taiwan) */
0110     { .id = "CSC4236", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0111     /* Turtle Beach TBS-2000 (CS4232) */
0112     { .id = "CSC7532", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSCb006" } } },
0113     /* Turtle Beach Tropez Plus (CS4232) */
0114     { .id = "CSC7632", .devs = { { "CSC0000" }, { "CSC0010" }, { "PNPb006" } } },
0115     /* SIC CrystalWave 32 (CS4232) */
0116     { .id = "CSCf032", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0117     /* Netfinity 3000 on-board soundcard */
0118     { .id = "CSCe825", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC010f" } } },
0119     /* Intel Marlin Spike Motherboard - CS4235 */
0120     { .id = "CSC0225", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0121     /* Intel Marlin Spike Motherboard (#2) - CS4235 */
0122     { .id = "CSC0225", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
0123     /* Unknown Intel mainboard - CS4235 */
0124     { .id = "CSC0225", .devs = { { "CSC0100" }, { "CSC0110" } } },
0125     /* Genius Sound Maker 3DJ - CS4237B */
0126     { .id = "CSC0437", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0127     /* Digital PC 5000 Onboard - CS4236B */
0128     { .id = "CSC0735", .devs = { { "CSC0000" }, { "CSC0010" } } },
0129     /* some unknown CS4236B */
0130     { .id = "CSC0b35", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0131     /* Intel PR440FX Onboard sound */
0132     { .id = "CSC0b36", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0133     /* CS4235 on mainboard without MPU */
0134     { .id = "CSC1425", .devs = { { "CSC0100" }, { "CSC0110" } } },
0135     /* Gateway E1000 Onboard CS4236B */
0136     { .id = "CSC1335", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0137     /* HP 6330 Onboard sound */
0138     { .id = "CSC1525", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
0139     /* Crystal Computer TidalWave128 */
0140     { .id = "CSC1e37", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0141     /* ACER AW37 - CS4235 */
0142     { .id = "CSC4236", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0143     /* build-in soundcard in EliteGroup P5TX-LA motherboard - CS4237B */
0144     { .id = "CSC4237", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0145     /* Crystal 3D - CS4237B */
0146     { .id = "CSC4336", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0147     /* Typhoon Soundsystem PnP - CS4236B */
0148     { .id = "CSC4536", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0149     /* Crystal CX4235-XQ3 EP - CS4235 */
0150     { .id = "CSC4625", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
0151     /* Crystal Semiconductors CS4237B */
0152     { .id = "CSC4637", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0153     /* NewClear 3D - CX4237B-XQ3 */
0154     { .id = "CSC4837", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0155     /* Dell Optiplex GX1 - CS4236B */
0156     { .id = "CSC6835", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0157     /* Dell P410 motherboard - CS4236B */
0158     { .id = "CSC6835", .devs = { { "CSC0000" }, { "CSC0010" } } },
0159     /* Dell Workstation 400 Onboard - CS4236B */
0160     { .id = "CSC6836", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0161     /* Turtle Beach Malibu - CS4237B */
0162     { .id = "CSC7537", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0163     /* CS4235 - onboard */
0164     { .id = "CSC8025", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
0165     /* IBM Aptiva 2137 E24 Onboard - CS4237B */
0166     { .id = "CSC8037", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0167     /* IBM IntelliStation M Pro motherboard */
0168     { .id = "CSCc835", .devs = { { "CSC0000" }, { "CSC0010" } } },
0169     /* Guillemot MaxiSound 16 PnP - CS4236B */
0170     { .id = "CSC9836", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0171     /* Gallant SC-70P */
0172     { .id = "CSC9837", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0173     /* Techmakers MF-4236PW */
0174     { .id = "CSCa736", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0175     /* TerraTec AudioSystem EWS64XL - CS4236B */
0176     { .id = "CSCa836", .devs = { { "CSCa800" }, { "CSCa810" }, { "CSCa803" } } },
0177     /* TerraTec AudioSystem EWS64XL - CS4236B */
0178     { .id = "CSCa836", .devs = { { "CSCa800" }, { "CSCa810" } } },
0179     /* ACER AW37/Pro - CS4235 */
0180     { .id = "CSCd925", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0181     /* ACER AW35/Pro - CS4237B */
0182     { .id = "CSCd937", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0183     /* CS4235 without MPU401 */
0184     { .id = "CSCe825", .devs = { { "CSC0100" }, { "CSC0110" } } },
0185     /* Unknown SiS530 - CS4235 */
0186     { .id = "CSC4825", .devs = { { "CSC0100" }, { "CSC0110" } } },
0187     /* IBM IntelliStation M Pro 6898 11U - CS4236B */
0188     { .id = "CSCe835", .devs = { { "CSC0000" }, { "CSC0010" } } },
0189     /* IBM PC 300PL Onboard - CS4236B */
0190     { .id = "CSCe836", .devs = { { "CSC0000" }, { "CSC0010" } } },
0191     /* Some noname CS4236 based card */
0192     { .id = "CSCe936", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0193     /* CS4236B */
0194     { .id = "CSCf235", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0195     /* CS4236B */
0196     { .id = "CSCf238", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
0197     /* --- */
0198     { .id = "" }    /* end */
0199 };
0200
0201 MODULE_DEVICE_TABLE(pnp_card, snd_cs423x_pnpids);
0202
0203 /* WSS initialization */
0204 static int snd_cs423x_pnp_init_wss(int dev, struct pnp_dev *pdev)
0205 {
0206     if (pnp_activate_dev(pdev) < 0) {
0207         printk(KERN_ERR IDENT " WSS PnP configure failed for WSS (out of resources?)\n");
0208         return -EBUSY;
0209     }
0210     port[dev] = pnp_port_start(pdev, 0);
0211     if (fm_port[dev] > 0)
0212         fm_port[dev] = pnp_port_start(pdev, 1);
0213     sb_port[dev] = pnp_port_start(pdev, 2);
0214     irq[dev] = pnp_irq(pdev, 0);
0215     dma1[dev] = pnp_dma(pdev, 0);
0216     dma2[dev] = pnp_dma(pdev, 1) == 4 ? -1 : (int)pnp_dma(pdev, 1);
0217     snd_printdd("isapnp WSS: wss port=0x%lx, fm port=0x%lx, sb port=0x%lx\n",
0218             port[dev], fm_port[dev], sb_port[dev]);
0219     snd_printdd("isapnp WSS: irq=%i, dma1=%i, dma2=%i\n",
0220             irq[dev], dma1[dev], dma2[dev]);
0221     return 0;
0222 }
0223
0224 /* CTRL initialization */
0225 static int snd_cs423x_pnp_init_ctrl(int dev, struct pnp_dev *pdev)
0226 {
0227     if (pnp_activate_dev(pdev) < 0) {
0228         printk(KERN_ERR IDENT " CTRL PnP configure failed for WSS (out of resources?)\n");
0229         return -EBUSY;
0230     }
0231     cport[dev] = pnp_port_start(pdev, 0);
0232     snd_printdd("isapnp CTRL: control port=0x%lx\n", cport[dev]);
0233     return 0;
0234 }
0235
0236 /* MPU initialization */
0237 static int snd_cs423x_pnp_init_mpu(int dev, struct pnp_dev *pdev)
0238 {
0239     if (pnp_activate_dev(pdev) < 0) {
0240         printk(KERN_ERR IDENT " MPU401 PnP configure failed for WSS (out of resources?)\n");
0241         mpu_port[dev] = SNDRV_AUTO_PORT;
0242         mpu_irq[dev] = SNDRV_AUTO_IRQ;
0243     } else {
0244         mpu_port[dev] = pnp_port_start(pdev, 0);
0245         if (mpu_irq[dev] >= 0 &&
0246             pnp_irq_valid(pdev, 0) &&
0247             pnp_irq(pdev, 0) != (resource_size_t)-1) {
0248             mpu_irq[dev] = pnp_irq(pdev, 0);
0249         } else {
0250             mpu_irq[dev] = -1;  /* disable interrupt */
0251         }
0252     }
0253     snd_printdd("isapnp MPU: port=0x%lx, irq=%i\n", mpu_port[dev], mpu_irq[dev]);
0254     return 0;
0255 }
0256
0257 static int snd_card_cs423x_pnp(int dev, struct snd_card_cs4236 *acard,
0258                    struct pnp_dev *pdev,
0259                    struct pnp_dev *cdev)
0260 {
0261     acard->wss = pdev;
0262     if (snd_cs423x_pnp_init_wss(dev, acard->wss) < 0)
0263         return -EBUSY;
0264     if (cdev)
0265         cport[dev] = pnp_port_start(cdev, 0);
0266     else
0267         cport[dev] = -1;
0268     return 0;
0269 }
0270
0271 static int snd_card_cs423x_pnpc(int dev, struct snd_card_cs4236 *acard,
0272                 struct pnp_card_link *card,
0273                 const struct pnp_card_device_id *id)
0274 {
0275     acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL);
0276     if (acard->wss == NULL)
0277         return -EBUSY;
0278     acard->ctrl = pnp_request_card_device(card, id->devs[1].id, NULL);
0279     if (acard->ctrl == NULL)
0280         return -EBUSY;
0281     if (id->devs[2].id[0]) {
0282         acard->mpu = pnp_request_card_device(card, id->devs[2].id, NULL);
0283         if (acard->mpu == NULL)
0284             return -EBUSY;
0285     }
0286
0287     /* WSS initialization */
0288     if (snd_cs423x_pnp_init_wss(dev, acard->wss) < 0)
0289         return -EBUSY;
0290
0291     /* CTRL initialization */
0292     if (acard->ctrl && cport[dev] > 0) {
0293         if (snd_cs423x_pnp_init_ctrl(dev, acard->ctrl) < 0)
0294             return -EBUSY;
0295     }
0296     /* MPU initialization */
0297     if (acard->mpu && mpu_port[dev] > 0) {
0298         if (snd_cs423x_pnp_init_mpu(dev, acard->mpu) < 0)
0299             return -EBUSY;
0300     }
0301     return 0;
0302 }
0303 #endif /* CONFIG_PNP */
0304
0305 #ifdef CONFIG_PNP
0306 #define is_isapnp_selected(dev)     isapnp[dev]
0307 #else
0308 #define is_isapnp_selected(dev)     0
0309 #endif
0310
0311 static int snd_cs423x_card_new(struct device *pdev, int dev,
0312                    struct snd_card **cardp)
0313 {
0314     struct snd_card *card;
0315     int err;
0316
0317     err = snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE,
0318                 sizeof(struct snd_card_cs4236), &card);
0319     if (err < 0)
0320         return err;
0321     *cardp = card;
0322     return 0;
0323 }
0324
0325 static int snd_cs423x_probe(struct snd_card *card, int dev)
0326 {
0327     struct snd_card_cs4236 *acard;
0328     struct snd_wss *chip;
0329     struct snd_opl3 *opl3;
0330     int err;
0331
0332     acard = card->private_data;
0333     if (sb_port[dev] > 0 && sb_port[dev] != SNDRV_AUTO_PORT) {
0334         if (!devm_request_region(card->dev, sb_port[dev], 16,
0335                      IDENT " SB")) {
0336             printk(KERN_ERR IDENT ": unable to register SB port at 0x%lx\n", sb_port[dev]);
0337             return -EBUSY;
0338         }
0339     }
0340
0341     err = snd_cs4236_create(card, port[dev], cport[dev],
0342                  irq[dev],
0343                  dma1[dev], dma2[dev],
0344                  WSS_HW_DETECT3, 0, &chip);
0345     if (err < 0)
0346         return err;
0347
0348     acard->chip = chip;
0349     if (chip->hardware & WSS_HW_CS4236B_MASK) {
0350
0351         err = snd_cs4236_pcm(chip, 0);
0352         if (err < 0)
0353             return err;
0354
0355         err = snd_cs4236_mixer(chip);
0356         if (err < 0)
0357             return err;
0358     } else {
0359         err = snd_wss_pcm(chip, 0);
0360         if (err < 0)
0361             return err;
0362
0363         err = snd_wss_mixer(chip);
0364         if (err < 0)
0365             return err;
0366     }
0367     strscpy(card->driver, chip->pcm->name, sizeof(card->driver));
0368     strscpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
0369     if (dma2[dev] < 0)
0370         snprintf(card->longname, sizeof(card->longname),
0371              "%s at 0x%lx, irq %i, dma %i",
0372              chip->pcm->name, chip->port, irq[dev], dma1[dev]);
0373     else
0374         snprintf(card->longname, sizeof(card->longname),
0375              "%s at 0x%lx, irq %i, dma %i&%d",
0376              chip->pcm->name, chip->port, irq[dev], dma1[dev],
0377              dma2[dev]);
0378
0379     err = snd_wss_timer(chip, 0);
0380     if (err < 0)
0381         return err;
0382
0383     if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
0384         if (snd_opl3_create(card,
0385                     fm_port[dev], fm_port[dev] + 2,
0386                     OPL3_HW_OPL3_CS, 0, &opl3) < 0) {
0387             printk(KERN_WARNING IDENT ": OPL3 not detected\n");
0388         } else {
0389             err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
0390             if (err < 0)
0391                 return err;
0392         }
0393     }
0394
0395     if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
0396         if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
0397             mpu_irq[dev] = -1;
0398         if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
0399                     mpu_port[dev], 0,
0400                     mpu_irq[dev], NULL) < 0)
0401             printk(KERN_WARNING IDENT ": MPU401 not detected\n");
0402     }
0403
0404     return snd_card_register(card);
0405 }
0406
0407 static int snd_cs423x_isa_match(struct device *pdev,
0408                 unsigned int dev)
0409 {
0410     if (!enable[dev] || is_isapnp_selected(dev))
0411         return 0;
0412
0413     if (port[dev] == SNDRV_AUTO_PORT) {
0414         dev_err(pdev, "please specify port\n");
0415         return 0;
0416     }
0417     if (cport[dev] == SNDRV_AUTO_PORT) {
0418         dev_err(pdev, "please specify cport\n");
0419         return 0;
0420     }
0421     if (irq[dev] == SNDRV_AUTO_IRQ) {
0422         dev_err(pdev, "please specify irq\n");
0423         return 0;
0424     }
0425     if (dma1[dev] == SNDRV_AUTO_DMA) {
0426         dev_err(pdev, "please specify dma1\n");
0427         return 0;
0428     }
0429     return 1;
0430 }
0431
0432 static int snd_cs423x_isa_probe(struct device *pdev,
0433                 unsigned int dev)
0434 {
0435     struct snd_card *card;
0436     int err;
0437
0438     err = snd_cs423x_card_new(pdev, dev, &card);
0439     if (err < 0)
0440         return err;
0441     err = snd_cs423x_probe(card, dev);
0442     if (err < 0)
0443         return err;
0444     dev_set_drvdata(pdev, card);
0445     return 0;
0446 }
0447
0448 #ifdef CONFIG_PM
0449 static int snd_cs423x_suspend(struct snd_card *card)
0450 {
0451     struct snd_card_cs4236 *acard = card->private_data;
0452     snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
0453     acard->chip->suspend(acard->chip);
0454     return 0;
0455 }
0456
0457 static int snd_cs423x_resume(struct snd_card *card)
0458 {
0459     struct snd_card_cs4236 *acard = card->private_data;
0460     acard->chip->resume(acard->chip);
0461     snd_power_change_state(card, SNDRV_CTL_POWER_D0);
0462     return 0;
0463 }
0464
0465 static int snd_cs423x_isa_suspend(struct device *dev, unsigned int n,
0466                   pm_message_t state)
0467 {
0468     return snd_cs423x_suspend(dev_get_drvdata(dev));
0469 }
0470
0471 static int snd_cs423x_isa_resume(struct device *dev, unsigned int n)
0472 {
0473     return snd_cs423x_resume(dev_get_drvdata(dev));
0474 }
0475 #endif
0476
0477 static struct isa_driver cs423x_isa_driver = {
0478     .match      = snd_cs423x_isa_match,
0479     .probe      = snd_cs423x_isa_probe,
0480 #ifdef CONFIG_PM
0481     .suspend    = snd_cs423x_isa_suspend,
0482     .resume     = snd_cs423x_isa_resume,
0483 #endif
0484     .driver     = {
0485         .name   = DEV_NAME
0486     },
0487 };
0488
0489
0490 #ifdef CONFIG_PNP
0491 static int snd_cs423x_pnpbios_detect(struct pnp_dev *pdev,
0492                      const struct pnp_device_id *id)
0493 {
0494     static int dev;
0495     int err;
0496     struct snd_card *card;
0497     struct pnp_dev *cdev, *iter;
0498     char cid[PNP_ID_LEN];
0499
0500     if (pnp_device_is_isapnp(pdev))
0501         return -ENOENT; /* we have another procedure - card */
0502     for (; dev < SNDRV_CARDS; dev++) {
0503         if (enable[dev] && isapnp[dev])
0504             break;
0505     }
0506     if (dev >= SNDRV_CARDS)
0507         return -ENODEV;
0508
0509     /* prepare second id */
0510     strcpy(cid, pdev->id[0].id);
0511     cid[5] = '1';
0512     cdev = NULL;
0513     list_for_each_entry(iter, &(pdev->protocol->devices), protocol_list) {
0514         if (!strcmp(iter->id[0].id, cid)) {
0515             cdev = iter;
0516             break;
0517         }
0518     }
0519     err = snd_cs423x_card_new(&pdev->dev, dev, &card);
0520     if (err < 0)
0521         return err;
0522     err = snd_card_cs423x_pnp(dev, card->private_data, pdev, cdev);
0523     if (err < 0) {
0524         printk(KERN_ERR "PnP BIOS detection failed for " IDENT "\n");
0525         return err;
0526     }
0527     err = snd_cs423x_probe(card, dev);
0528     if (err < 0)
0529         return err;
0530     pnp_set_drvdata(pdev, card);
0531     dev++;
0532     return 0;
0533 }
0534
0535 #ifdef CONFIG_PM
0536 static int snd_cs423x_pnp_suspend(struct pnp_dev *pdev, pm_message_t state)
0537 {
0538     return snd_cs423x_suspend(pnp_get_drvdata(pdev));
0539 }
0540
0541 static int snd_cs423x_pnp_resume(struct pnp_dev *pdev)
0542 {
0543     return snd_cs423x_resume(pnp_get_drvdata(pdev));
0544 }
0545 #endif
0546
0547 static struct pnp_driver cs423x_pnp_driver = {
0548     .name = "cs423x-pnpbios",
0549     .id_table = snd_cs423x_pnpbiosids,
0550     .probe = snd_cs423x_pnpbios_detect,
0551 #ifdef CONFIG_PM
0552     .suspend    = snd_cs423x_pnp_suspend,
0553     .resume     = snd_cs423x_pnp_resume,
0554 #endif
0555 };
0556
0557 static int snd_cs423x_pnpc_detect(struct pnp_card_link *pcard,
0558                   const struct pnp_card_device_id *pid)
0559 {
0560     static int dev;
0561     struct snd_card *card;
0562     int res;
0563
0564     for ( ; dev < SNDRV_CARDS; dev++) {
0565         if (enable[dev] && isapnp[dev])
0566             break;
0567     }
0568     if (dev >= SNDRV_CARDS)
0569         return -ENODEV;
0570
0571     res = snd_cs423x_card_new(&pcard->card->dev, dev, &card);
0572     if (res < 0)
0573         return res;
0574     res = snd_card_cs423x_pnpc(dev, card->private_data, pcard, pid);
0575     if (res < 0) {
0576         printk(KERN_ERR "isapnp detection failed and probing for " IDENT
0577                " is not supported\n");
0578         return res;
0579     }
0580     res = snd_cs423x_probe(card, dev);
0581     if (res < 0)
0582         return res;
0583     pnp_set_card_drvdata(pcard, card);
0584     dev++;
0585     return 0;
0586 }
0587
0588 #ifdef CONFIG_PM
0589 static int snd_cs423x_pnpc_suspend(struct pnp_card_link *pcard, pm_message_t state)
0590 {
0591     return snd_cs423x_suspend(pnp_get_card_drvdata(pcard));
0592 }
0593
0594 static int snd_cs423x_pnpc_resume(struct pnp_card_link *pcard)
0595 {
0596     return snd_cs423x_resume(pnp_get_card_drvdata(pcard));
0597 }
0598 #endif
0599
0600 static struct pnp_card_driver cs423x_pnpc_driver = {
0601     .flags = PNP_DRIVER_RES_DISABLE,
0602     .name = CS423X_ISAPNP_DRIVER,
0603     .id_table = snd_cs423x_pnpids,
0604     .probe = snd_cs423x_pnpc_detect,
0605 #ifdef CONFIG_PM
0606     .suspend    = snd_cs423x_pnpc_suspend,
0607     .resume     = snd_cs423x_pnpc_resume,
0608 #endif
0609 };
0610 #endif /* CONFIG_PNP */
0611
0612 static int __init alsa_card_cs423x_init(void)
0613 {
0614     int err;
0615
0616     err = isa_register_driver(&cs423x_isa_driver, SNDRV_CARDS);
0617 #ifdef CONFIG_PNP
0618     if (!err)
0619         isa_registered = 1;
0620     err = pnp_register_driver(&cs423x_pnp_driver);
0621     if (!err)
0622         pnp_registered = 1;
0623     err = pnp_register_card_driver(&cs423x_pnpc_driver);
0624     if (!err)
0625         pnpc_registered = 1;
0626     if (pnp_registered)
0627         err = 0;
0628     if (isa_registered)
0629         err = 0;
0630 #endif
0631     return err;
0632 }
0633
0634 static void __exit alsa_card_cs423x_exit(void)
0635 {
0636 #ifdef CONFIG_PNP
0637     if (pnpc_registered)
0638         pnp_unregister_card_driver(&cs423x_pnpc_driver);
0639     if (pnp_registered)
0640         pnp_unregister_driver(&cs423x_pnp_driver);
0641     if (isa_registered)
0642 #endif
0643         isa_unregister_driver(&cs423x_isa_driver);
0644 }
0645
0646 module_init(alsa_card_cs423x_init)
0647 module_exit(alsa_card_cs423x_exit)