| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Driver for SoundBlaster 16/AWE32/AWE64 soundcards |
| * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
| */ |
| |
| #include <asm/dma.h> |
| #include <linux/init.h> |
| #include <linux/pnp.h> |
| #include <linux/err.h> |
| #include <linux/isa.h> |
| #include <linux/module.h> |
| #include <sound/core.h> |
| #include <sound/sb.h> |
| #include <sound/sb16_csp.h> |
| #include <sound/mpu401.h> |
| #include <sound/opl3.h> |
| #include <sound/emu8000.h> |
| #include <sound/seq_device.h> |
| #define SNDRV_LEGACY_FIND_FREE_IRQ |
| #define SNDRV_LEGACY_FIND_FREE_DMA |
| #include <sound/initval.h> |
| |
| #ifdef SNDRV_SBAWE |
| #define PFX "sbawe: " |
| #else |
| #define PFX "sb16: " |
| #endif |
| |
| MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
| MODULE_LICENSE("GPL"); |
| #ifndef SNDRV_SBAWE |
| MODULE_DESCRIPTION("Sound Blaster 16"); |
| #else |
| MODULE_DESCRIPTION("Sound Blaster AWE"); |
| #endif |
| |
| #if 0 |
| #define SNDRV_DEBUG_IRQ |
| #endif |
| |
| #if defined(SNDRV_SBAWE) && IS_ENABLED(CONFIG_SND_SEQUENCER) |
| #define SNDRV_SBAWE_EMU8000 |
| #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 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; /* 0x220,0x240,0x260,0x280 */ |
| static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x330,0x300 */ |
| static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; |
| #ifdef SNDRV_SBAWE_EMU8000 |
| static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; |
| #endif |
| static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ |
| static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */ |
| static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 5,6,7 */ |
| static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; |
| #ifdef CONFIG_SND_SB16_CSP |
| static int csp[SNDRV_CARDS]; |
| #endif |
| #ifdef SNDRV_SBAWE_EMU8000 |
| static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4}; |
| #endif |
| |
| module_param_array(index, int, NULL, 0444); |
| MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard."); |
| module_param_array(id, charp, NULL, 0444); |
| MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard."); |
| module_param_array(enable, bool, NULL, 0444); |
| MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard."); |
| #ifdef CONFIG_PNP |
| module_param_array(isapnp, bool, NULL, 0444); |
| MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard."); |
| #endif |
| module_param_hw_array(port, long, ioport, NULL, 0444); |
| MODULE_PARM_DESC(port, "Port # for SB16 driver."); |
| module_param_hw_array(mpu_port, long, ioport, NULL, 0444); |
| MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver."); |
| module_param_hw_array(fm_port, long, ioport, NULL, 0444); |
| MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver."); |
| #ifdef SNDRV_SBAWE_EMU8000 |
| module_param_hw_array(awe_port, long, ioport, NULL, 0444); |
| MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver."); |
| #endif |
| module_param_hw_array(irq, int, irq, NULL, 0444); |
| MODULE_PARM_DESC(irq, "IRQ # for SB16 driver."); |
| module_param_hw_array(dma8, int, dma, NULL, 0444); |
| MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver."); |
| module_param_hw_array(dma16, int, dma, NULL, 0444); |
| MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver."); |
| module_param_array(mic_agc, int, NULL, 0444); |
| MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch."); |
| #ifdef CONFIG_SND_SB16_CSP |
| module_param_array(csp, int, NULL, 0444); |
| MODULE_PARM_DESC(csp, "ASP/CSP chip support."); |
| #endif |
| #ifdef SNDRV_SBAWE_EMU8000 |
| module_param_array(seq_ports, int, NULL, 0444); |
| MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth."); |
| #endif |
| |
| #ifdef CONFIG_PNP |
| static int isa_registered; |
| static int pnp_registered; |
| #endif |
| |
| struct snd_card_sb16 { |
| struct resource *fm_res; /* used to block FM i/o region for legacy cards */ |
| struct snd_sb *chip; |
| #ifdef CONFIG_PNP |
| int dev_no; |
| struct pnp_dev *dev; |
| #ifdef SNDRV_SBAWE_EMU8000 |
| struct pnp_dev *devwt; |
| #endif |
| #endif |
| }; |
| |
| #ifdef CONFIG_PNP |
| |
| static const struct pnp_card_device_id snd_sb16_pnpids[] = { |
| #ifndef SNDRV_SBAWE |
| /* Sound Blaster 16 PnP */ |
| { .id = "CTL0024", .devs = { { "CTL0031" } } }, |
| /* Sound Blaster 16 PnP */ |
| { .id = "CTL0025", .devs = { { "CTL0031" } } }, |
| /* Sound Blaster 16 PnP */ |
| { .id = "CTL0026", .devs = { { "CTL0031" } } }, |
| /* Sound Blaster 16 PnP */ |
| { .id = "CTL0027", .devs = { { "CTL0031" } } }, |
| /* Sound Blaster 16 PnP */ |
| { .id = "CTL0028", .devs = { { "CTL0031" } } }, |
| /* Sound Blaster 16 PnP */ |
| { .id = "CTL0029", .devs = { { "CTL0031" } } }, |
| /* Sound Blaster 16 PnP */ |
| { .id = "CTL002a", .devs = { { "CTL0031" } } }, |
| /* Sound Blaster 16 PnP */ |
| /* Note: This card has also a CTL0051:StereoEnhance device!!! */ |
| { .id = "CTL002b", .devs = { { "CTL0031" } } }, |
| /* Sound Blaster 16 PnP */ |
| { .id = "CTL002c", .devs = { { "CTL0031" } } }, |
| /* Sound Blaster Vibra16S */ |
| { .id = "CTL0051", .devs = { { "CTL0001" } } }, |
| /* Sound Blaster Vibra16C */ |
| { .id = "CTL0070", .devs = { { "CTL0001" } } }, |
| /* Sound Blaster Vibra16CL - added by ctm@ardi.com */ |
| { .id = "CTL0080", .devs = { { "CTL0041" } } }, |
| /* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */ |
| /* but ct4131 on a sticker on the board.. */ |
| { .id = "CTL0086", .devs = { { "CTL0041" } } }, |
| /* Sound Blaster Vibra16X */ |
| { .id = "CTL00f0", .devs = { { "CTL0043" } } }, |
| /* Sound Blaster 16 (Virtual PC 2004) */ |
| { .id = "tBA03b0", .devs = { {.id="PNPb003" } } }, |
| #else /* SNDRV_SBAWE defined */ |
| /* Sound Blaster AWE 32 PnP */ |
| { .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } }, |
| /* Sound Blaster AWE 32 PnP */ |
| { .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } }, |
| /* Sound Blaster AWE 32 PnP */ |
| { .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } }, |
| /* Sound Blaster AWE 32 PnP */ |
| { .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } }, |
| /* Sound Blaster AWE 32 PnP */ |
| /* Note: This card has also a CTL0051:StereoEnhance device!!! */ |
| { .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } }, |
| /* Sound Blaster AWE 32 PnP */ |
| /* Note: This card has also a CTL0051:StereoEnhance device!!! */ |
| { .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } }, |
| /* Sound Blaster AWE 32 PnP */ |
| { .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } }, |
| /* Sound Blaster AWE 32 PnP */ |
| { .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } }, |
| /* Sound Blaster AWE 32 PnP */ |
| { .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } }, |
| /* Sound Blaster AWE 32 PnP */ |
| { .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } }, |
| /* Sound Blaster AWE 32 PnP */ |
| { .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } }, |
| /* Sound Blaster AWE 32 PnP */ |
| { .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } }, |
| /* Sound Blaster 32 PnP */ |
| { .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } }, |
| /* Sound Blaster AWE 64 PnP */ |
| { .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } }, |
| /* Sound Blaster AWE 64 PnP Gold */ |
| { .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } }, |
| /* Sound Blaster AWE 64 PnP Gold */ |
| { .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } }, |
| /* Sound Blaster AWE 64 PnP */ |
| { .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } }, |
| /* Sound Blaster AWE 64 PnP */ |
| { .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } }, |
| /* Sound Blaster AWE 64 PnP */ |
| { .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } }, |
| /* Sound Blaster AWE 64 PnP */ |
| { .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } }, |
| /* Sound Blaster AWE 64 PnP */ |
| { .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } }, |
| /* Sound Blaster AWE 64 PnP */ |
| { .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } }, |
| /* Sound Blaster 16 PnP (AWE) */ |
| { .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } }, |
| /* Generic entries */ |
| { .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } }, |
| { .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } }, |
| { .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } }, |
| { .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } }, |
| { .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } }, |
| #endif /* SNDRV_SBAWE */ |
| { .id = "", } |
| }; |
| |
| MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids); |
| |
| #endif /* CONFIG_PNP */ |
| |
| #ifdef SNDRV_SBAWE_EMU8000 |
| #define DRIVER_NAME "snd-card-sbawe" |
| #else |
| #define DRIVER_NAME "snd-card-sb16" |
| #endif |
| |
| #ifdef CONFIG_PNP |
| |
| static int snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard, |
| struct pnp_card_link *card, |
| const struct pnp_card_device_id *id) |
| { |
| struct pnp_dev *pdev; |
| int err; |
| |
| acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL); |
| if (acard->dev == NULL) |
| return -ENODEV; |
| |
| #ifdef SNDRV_SBAWE_EMU8000 |
| acard->devwt = pnp_request_card_device(card, id->devs[1].id, acard->dev); |
| #endif |
| /* Audio initialization */ |
| pdev = acard->dev; |
| |
| err = pnp_activate_dev(pdev); |
| if (err < 0) { |
| snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n"); |
| return err; |
| } |
| port[dev] = pnp_port_start(pdev, 0); |
| mpu_port[dev] = pnp_port_start(pdev, 1); |
| fm_port[dev] = pnp_port_start(pdev, 2); |
| dma8[dev] = pnp_dma(pdev, 0); |
| dma16[dev] = pnp_dma(pdev, 1); |
| irq[dev] = pnp_irq(pdev, 0); |
| snd_printdd("pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n", |
| port[dev], mpu_port[dev], fm_port[dev]); |
| snd_printdd("pnp SB16: dma1=%i, dma2=%i, irq=%i\n", |
| dma8[dev], dma16[dev], irq[dev]); |
| #ifdef SNDRV_SBAWE_EMU8000 |
| /* WaveTable initialization */ |
| pdev = acard->devwt; |
| if (pdev != NULL) { |
| err = pnp_activate_dev(pdev); |
| if (err < 0) { |
| goto __wt_error; |
| } |
| awe_port[dev] = pnp_port_start(pdev, 0); |
| snd_printdd("pnp SB16: wavetable port=0x%llx\n", |
| (unsigned long long)pnp_port_start(pdev, 0)); |
| } else { |
| __wt_error: |
| if (pdev) { |
| pnp_release_card_device(pdev); |
| snd_printk(KERN_ERR PFX "WaveTable pnp configure failure\n"); |
| } |
| acard->devwt = NULL; |
| awe_port[dev] = -1; |
| } |
| #endif |
| return 0; |
| } |
| |
| #endif /* CONFIG_PNP */ |
| |
| static void snd_sb16_free(struct snd_card *card) |
| { |
| struct snd_card_sb16 *acard = card->private_data; |
| |
| if (acard == NULL) |
| return; |
| release_and_free_resource(acard->fm_res); |
| } |
| |
| #ifdef CONFIG_PNP |
| #define is_isapnp_selected(dev) isapnp[dev] |
| #else |
| #define is_isapnp_selected(dev) 0 |
| #endif |
| |
| static int snd_sb16_card_new(struct device *devptr, int dev, |
| struct snd_card **cardp) |
| { |
| struct snd_card *card; |
| int err; |
| |
| err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE, |
| sizeof(struct snd_card_sb16), &card); |
| if (err < 0) |
| return err; |
| card->private_free = snd_sb16_free; |
| *cardp = card; |
| return 0; |
| } |
| |
| static int snd_sb16_probe(struct snd_card *card, int dev) |
| { |
| int xirq, xdma8, xdma16; |
| struct snd_sb *chip; |
| struct snd_card_sb16 *acard = card->private_data; |
| struct snd_opl3 *opl3; |
| struct snd_hwdep *synth = NULL; |
| #ifdef CONFIG_SND_SB16_CSP |
| struct snd_hwdep *xcsp = NULL; |
| #endif |
| unsigned long flags; |
| int err; |
| |
| xirq = irq[dev]; |
| xdma8 = dma8[dev]; |
| xdma16 = dma16[dev]; |
| |
| err = snd_sbdsp_create(card, port[dev], xirq, snd_sb16dsp_interrupt, |
| xdma8, xdma16, SB_HW_AUTO, &chip); |
| if (err < 0) |
| return err; |
| |
| acard->chip = chip; |
| if (chip->hardware != SB_HW_16) { |
| snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]); |
| return -ENODEV; |
| } |
| chip->mpu_port = mpu_port[dev]; |
| if (!is_isapnp_selected(dev)) { |
| err = snd_sb16dsp_configure(chip); |
| if (err < 0) |
| return err; |
| } |
| |
| err = snd_sb16dsp_pcm(chip, 0); |
| if (err < 0) |
| return err; |
| |
| strcpy(card->driver, |
| #ifdef SNDRV_SBAWE_EMU8000 |
| awe_port[dev] > 0 ? "SB AWE" : |
| #endif |
| "SB16"); |
| strcpy(card->shortname, chip->name); |
| sprintf(card->longname, "%s at 0x%lx, irq %i, dma ", |
| chip->name, |
| chip->port, |
| xirq); |
| if (xdma8 >= 0) |
| sprintf(card->longname + strlen(card->longname), "%d", xdma8); |
| if (xdma16 >= 0) |
| sprintf(card->longname + strlen(card->longname), "%s%d", |
| xdma8 >= 0 ? "&" : "", xdma16); |
| |
| if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) { |
| err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB, |
| chip->mpu_port, |
| MPU401_INFO_IRQ_HOOK, -1, |
| &chip->rmidi); |
| if (err < 0) |
| return err; |
| chip->rmidi_callback = snd_mpu401_uart_interrupt; |
| } |
| |
| #ifdef SNDRV_SBAWE_EMU8000 |
| if (awe_port[dev] == SNDRV_AUTO_PORT) |
| awe_port[dev] = 0; /* disable */ |
| #endif |
| |
| 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, |
| acard->fm_res != NULL || fm_port[dev] == port[dev], |
| &opl3) < 0) { |
| snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n", |
| fm_port[dev], fm_port[dev] + 2); |
| } else { |
| #ifdef SNDRV_SBAWE_EMU8000 |
| int seqdev = awe_port[dev] > 0 ? 2 : 1; |
| #else |
| int seqdev = 1; |
| #endif |
| err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth); |
| if (err < 0) |
| return err; |
| } |
| } |
| |
| err = snd_sbmixer_new(chip); |
| if (err < 0) |
| return err; |
| |
| #ifdef CONFIG_SND_SB16_CSP |
| /* CSP chip on SB16ASP/AWE32 */ |
| if ((chip->hardware == SB_HW_16) && csp[dev]) { |
| snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp); |
| if (xcsp) { |
| chip->csp = xcsp->private_data; |
| chip->hardware = SB_HW_16CSP; |
| } else { |
| snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1); |
| } |
| } |
| #endif |
| #ifdef SNDRV_SBAWE_EMU8000 |
| if (awe_port[dev] > 0) { |
| err = snd_emu8000_new(card, 1, awe_port[dev], |
| seq_ports[dev], NULL); |
| if (err < 0) { |
| snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]); |
| |
| return err; |
| } |
| } |
| #endif |
| |
| /* setup Mic AGC */ |
| spin_lock_irqsave(&chip->mixer_lock, flags); |
| snd_sbmixer_write(chip, SB_DSP4_MIC_AGC, |
| (snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) | |
| (mic_agc[dev] ? 0x00 : 0x01)); |
| spin_unlock_irqrestore(&chip->mixer_lock, flags); |
| |
| err = snd_card_register(card); |
| if (err < 0) |
| return err; |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_PM |
| static int snd_sb16_suspend(struct snd_card *card, pm_message_t state) |
| { |
| struct snd_card_sb16 *acard = card->private_data; |
| struct snd_sb *chip = acard->chip; |
| |
| snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
| snd_sbmixer_suspend(chip); |
| return 0; |
| } |
| |
| static int snd_sb16_resume(struct snd_card *card) |
| { |
| struct snd_card_sb16 *acard = card->private_data; |
| struct snd_sb *chip = acard->chip; |
| |
| snd_sbdsp_reset(chip); |
| snd_sbmixer_resume(chip); |
| snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
| return 0; |
| } |
| #endif |
| |
| static int snd_sb16_isa_probe1(int dev, struct device *pdev) |
| { |
| struct snd_card_sb16 *acard; |
| struct snd_card *card; |
| int err; |
| |
| err = snd_sb16_card_new(pdev, dev, &card); |
| if (err < 0) |
| return err; |
| |
| acard = card->private_data; |
| /* non-PnP FM port address is hardwired with base port address */ |
| fm_port[dev] = port[dev]; |
| /* block the 0x388 port to avoid PnP conflicts */ |
| acard->fm_res = request_region(0x388, 4, "SoundBlaster FM"); |
| #ifdef SNDRV_SBAWE_EMU8000 |
| /* non-PnP AWE port address is hardwired with base port address */ |
| awe_port[dev] = port[dev] + 0x400; |
| #endif |
| |
| err = snd_sb16_probe(card, dev); |
| if (err < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| dev_set_drvdata(pdev, card); |
| return 0; |
| } |
| |
| |
| static int snd_sb16_isa_match(struct device *pdev, unsigned int dev) |
| { |
| return enable[dev] && !is_isapnp_selected(dev); |
| } |
| |
| static int snd_sb16_isa_probe(struct device *pdev, unsigned int dev) |
| { |
| int err; |
| static const int possible_irqs[] = {5, 9, 10, 7, -1}; |
| static const int possible_dmas8[] = {1, 3, 0, -1}; |
| static const int possible_dmas16[] = {5, 6, 7, -1}; |
| |
| if (irq[dev] == SNDRV_AUTO_IRQ) { |
| irq[dev] = snd_legacy_find_free_irq(possible_irqs); |
| if (irq[dev] < 0) { |
| snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); |
| return -EBUSY; |
| } |
| } |
| if (dma8[dev] == SNDRV_AUTO_DMA) { |
| dma8[dev] = snd_legacy_find_free_dma(possible_dmas8); |
| if (dma8[dev] < 0) { |
| snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n"); |
| return -EBUSY; |
| } |
| } |
| if (dma16[dev] == SNDRV_AUTO_DMA) { |
| dma16[dev] = snd_legacy_find_free_dma(possible_dmas16); |
| if (dma16[dev] < 0) { |
| snd_printk(KERN_ERR PFX "unable to find a free 16-bit DMA\n"); |
| return -EBUSY; |
| } |
| } |
| |
| if (port[dev] != SNDRV_AUTO_PORT) |
| return snd_sb16_isa_probe1(dev, pdev); |
| else { |
| static const int possible_ports[] = {0x220, 0x240, 0x260, 0x280}; |
| int i; |
| for (i = 0; i < ARRAY_SIZE(possible_ports); i++) { |
| port[dev] = possible_ports[i]; |
| err = snd_sb16_isa_probe1(dev, pdev); |
| if (! err) |
| return 0; |
| } |
| return err; |
| } |
| } |
| |
| static void snd_sb16_isa_remove(struct device *pdev, unsigned int dev) |
| { |
| snd_card_free(dev_get_drvdata(pdev)); |
| } |
| |
| #ifdef CONFIG_PM |
| static int snd_sb16_isa_suspend(struct device *dev, unsigned int n, |
| pm_message_t state) |
| { |
| return snd_sb16_suspend(dev_get_drvdata(dev), state); |
| } |
| |
| static int snd_sb16_isa_resume(struct device *dev, unsigned int n) |
| { |
| return snd_sb16_resume(dev_get_drvdata(dev)); |
| } |
| #endif |
| |
| #ifdef SNDRV_SBAWE |
| #define DEV_NAME "sbawe" |
| #else |
| #define DEV_NAME "sb16" |
| #endif |
| |
| static struct isa_driver snd_sb16_isa_driver = { |
| .match = snd_sb16_isa_match, |
| .probe = snd_sb16_isa_probe, |
| .remove = snd_sb16_isa_remove, |
| #ifdef CONFIG_PM |
| .suspend = snd_sb16_isa_suspend, |
| .resume = snd_sb16_isa_resume, |
| #endif |
| .driver = { |
| .name = DEV_NAME |
| }, |
| }; |
| |
| |
| #ifdef CONFIG_PNP |
| static int snd_sb16_pnp_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]) |
| continue; |
| res = snd_sb16_card_new(&pcard->card->dev, dev, &card); |
| if (res < 0) |
| return res; |
| res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid); |
| if (res < 0) { |
| snd_card_free(card); |
| return res; |
| } |
| res = snd_sb16_probe(card, dev); |
| if (res < 0) { |
| snd_card_free(card); |
| return res; |
| } |
| pnp_set_card_drvdata(pcard, card); |
| dev++; |
| return 0; |
| } |
| |
| return -ENODEV; |
| } |
| |
| static void snd_sb16_pnp_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_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state) |
| { |
| return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state); |
| } |
| static int snd_sb16_pnp_resume(struct pnp_card_link *pcard) |
| { |
| return snd_sb16_resume(pnp_get_card_drvdata(pcard)); |
| } |
| #endif |
| |
| static struct pnp_card_driver sb16_pnpc_driver = { |
| .flags = PNP_DRIVER_RES_DISABLE, |
| #ifdef SNDRV_SBAWE |
| .name = "sbawe", |
| #else |
| .name = "sb16", |
| #endif |
| .id_table = snd_sb16_pnpids, |
| .probe = snd_sb16_pnp_detect, |
| .remove = snd_sb16_pnp_remove, |
| #ifdef CONFIG_PM |
| .suspend = snd_sb16_pnp_suspend, |
| .resume = snd_sb16_pnp_resume, |
| #endif |
| }; |
| |
| #endif /* CONFIG_PNP */ |
| |
| static int __init alsa_card_sb16_init(void) |
| { |
| int err; |
| |
| err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS); |
| #ifdef CONFIG_PNP |
| if (!err) |
| isa_registered = 1; |
| |
| err = pnp_register_card_driver(&sb16_pnpc_driver); |
| if (!err) |
| pnp_registered = 1; |
| |
| if (isa_registered) |
| err = 0; |
| #endif |
| return err; |
| } |
| |
| static void __exit alsa_card_sb16_exit(void) |
| { |
| #ifdef CONFIG_PNP |
| if (pnp_registered) |
| pnp_unregister_card_driver(&sb16_pnpc_driver); |
| if (isa_registered) |
| #endif |
| isa_unregister_driver(&snd_sb16_isa_driver); |
| } |
| |
| module_init(alsa_card_sb16_init) |
| module_exit(alsa_card_sb16_exit) |