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ALSA: opti-miro: separate comon probing code
Separate common probing code in order to use it for PnP probing. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Krzysztof Helt
Takashi Iwai
parent
abe6becb7c
commit
70a5f1187b
@ -1142,28 +1142,39 @@ __skip_mpu:
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return 0;
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}
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static int __devinit snd_miro_opti_check(struct snd_miro *chip)
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{
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unsigned char value;
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chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
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"OPTi9xx MC");
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if (chip->res_mc_base == NULL)
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return -ENOMEM;
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value = snd_miro_read(chip, OPTi9XX_MC_REG(1));
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if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
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if (value == snd_miro_read(chip, OPTi9XX_MC_REG(1)))
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return 0;
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release_and_free_resource(chip->res_mc_base);
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chip->res_mc_base = NULL;
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return -ENODEV;
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}
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static int __devinit snd_card_miro_detect(struct snd_card *card,
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struct snd_miro *chip)
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{
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int i, err;
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unsigned char value;
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for (i = OPTi9XX_HW_82C929; i <= OPTi9XX_HW_82C924; i++) {
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if ((err = snd_miro_init(chip, i)) < 0)
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return err;
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if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
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continue;
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value = snd_miro_read(chip, OPTi9XX_MC_REG(1));
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if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
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if (value == snd_miro_read(chip, OPTi9XX_MC_REG(1)))
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return 1;
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release_and_free_resource(chip->res_mc_base);
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chip->res_mc_base = NULL;
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err = snd_miro_opti_check(chip);
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if (err == 0)
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return 1;
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}
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return -ENODEV;
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@ -1234,151 +1245,69 @@ static void snd_card_miro_free(struct snd_card *card)
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release_and_free_resource(miro->res_mc_base);
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}
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static int __devinit snd_miro_match(struct device *devptr, unsigned int n)
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static int __devinit snd_miro_probe(struct snd_card *card)
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{
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return 1;
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}
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static int __devinit snd_miro_probe(struct device *devptr, unsigned int n)
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{
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static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
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static long possible_mpu_ports[] = {0x330, 0x300, 0x310, 0x320, -1};
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static int possible_irqs[] = {11, 9, 10, 7, -1};
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static int possible_mpu_irqs[] = {10, 5, 9, 7, -1};
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static int possible_dma1s[] = {3, 1, 0, -1};
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static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
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int error;
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struct snd_miro *miro;
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struct snd_miro *miro = card->private_data;
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struct snd_wss *codec;
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struct snd_timer *timer;
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struct snd_card *card;
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struct snd_pcm *pcm;
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struct snd_rawmidi *rmidi;
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error = snd_card_create(index, id, THIS_MODULE,
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sizeof(struct snd_miro), &card);
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if (error < 0)
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return error;
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card->private_free = snd_card_miro_free;
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miro = card->private_data;
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error = snd_card_miro_detect(card, miro);
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if (error < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR "unable to detect OPTi9xx chip\n");
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return -ENODEV;
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if (!miro->res_mc_base) {
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miro->res_mc_base = request_region(miro->mc_base,
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miro->mc_base_size,
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"miro (OPTi9xx MC)");
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if (miro->res_mc_base == NULL) {
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snd_printk(KERN_ERR "request for OPTI9xx MC failed\n");
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return -ENOMEM;
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}
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}
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if ((error = snd_card_miro_aci_detect(card, miro)) < 0) {
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error = snd_card_miro_aci_detect(card, miro);
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if (error < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR "unable to detect aci chip\n");
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return -ENODEV;
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}
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/* init proc interface */
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snd_miro_proc_init(card, miro);
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if (! miro->res_mc_base &&
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(miro->res_mc_base = request_region(miro->mc_base, miro->mc_base_size,
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"miro (OPTi9xx MC)")) == NULL) {
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snd_card_free(card);
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snd_printk(KERN_ERR "request for OPTI9xx MC failed\n");
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return -ENOMEM;
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}
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miro->wss_base = port;
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miro->mpu_port = mpu_port;
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miro->irq = irq;
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miro->mpu_irq = mpu_irq;
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miro->dma1 = dma1;
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miro->dma2 = dma2;
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if (miro->wss_base == SNDRV_AUTO_PORT) {
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if ((miro->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR "unable to find a free WSS port\n");
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return -EBUSY;
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}
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}
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if (mpu_port == SNDRV_AUTO_PORT) {
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mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2);
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if (mpu_port < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
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return -EBUSY;
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}
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}
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miro->mpu_port = mpu_port;
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if (miro->irq == SNDRV_AUTO_IRQ) {
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if ((miro->irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR "unable to find a free IRQ\n");
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return -EBUSY;
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}
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}
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if (miro->mpu_irq == SNDRV_AUTO_IRQ) {
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if ((miro->mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
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return -EBUSY;
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}
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}
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if (miro->dma1 == SNDRV_AUTO_DMA) {
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if ((miro->dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR "unable to find a free DMA1\n");
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return -EBUSY;
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}
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}
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if (miro->dma2 == SNDRV_AUTO_DMA) {
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if ((miro->dma2 = snd_legacy_find_free_dma(possible_dma2s[miro->dma1 % 4])) < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR "unable to find a free DMA2\n");
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return -EBUSY;
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}
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}
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/* init proc interface */
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snd_miro_proc_init(card, miro);
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error = snd_miro_configure(miro);
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if (error) {
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snd_card_free(card);
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if (error)
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return error;
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}
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error = snd_wss_create(card, miro->wss_base + 4, -1,
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miro->irq, miro->dma1, miro->dma2,
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WSS_HW_AD1845, 0, &codec);
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if (error < 0) {
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snd_card_free(card);
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miro->irq, miro->dma1, miro->dma2,
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WSS_HW_DETECT, 0, &codec);
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if (error < 0)
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return error;
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}
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error = snd_wss_pcm(codec, 0, &pcm);
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if (error < 0) {
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snd_card_free(card);
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if (error < 0)
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return error;
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}
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error = snd_wss_mixer(codec);
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if (error < 0) {
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snd_card_free(card);
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if (error < 0)
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return error;
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}
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error = snd_wss_timer(codec, 0, &timer);
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if (error < 0) {
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snd_card_free(card);
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if (error < 0)
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return error;
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}
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miro->pcm = pcm;
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error = snd_miro_mixer(card, miro);
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if (error < 0) {
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snd_card_free(card);
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if (error < 0)
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return error;
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}
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if (miro->aci->aci_vendor == 'm') {
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/* It looks like a miro sound card. */
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@ -1425,20 +1354,111 @@ static int __devinit snd_miro_probe(struct device *devptr, unsigned int n)
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if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
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struct snd_opl3 *opl3 = NULL;
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struct snd_opl4 *opl4;
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if (snd_opl4_create(card, fm_port, fm_port - 8,
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2, &opl3, &opl4) < 0)
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snd_printk(KERN_WARNING "no OPL4 device at 0x%lx\n",
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fm_port);
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}
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if ((error = snd_set_aci_init_values(miro)) < 0) {
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snd_card_free(card);
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error = snd_set_aci_init_values(miro);
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if (error < 0)
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return error;
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return snd_card_register(card);
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}
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static int __devinit snd_miro_isa_match(struct device *devptr, unsigned int n)
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{
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return 1;
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}
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static int __devinit snd_miro_isa_probe(struct device *devptr, unsigned int n)
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{
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static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
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static long possible_mpu_ports[] = {0x330, 0x300, 0x310, 0x320, -1};
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static int possible_irqs[] = {11, 9, 10, 7, -1};
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static int possible_mpu_irqs[] = {10, 5, 9, 7, -1};
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static int possible_dma1s[] = {3, 1, 0, -1};
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static int possible_dma2s[][2] = { {1, -1}, {0, -1}, {-1, -1},
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{0, -1} };
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int error;
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struct snd_miro *miro;
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struct snd_card *card;
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error = snd_card_create(index, id, THIS_MODULE,
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sizeof(struct snd_miro), &card);
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if (error < 0)
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return error;
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card->private_free = snd_card_miro_free;
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miro = card->private_data;
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error = snd_card_miro_detect(card, miro);
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if (error < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR "unable to detect OPTi9xx chip\n");
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return -ENODEV;
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}
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if (port == SNDRV_AUTO_PORT) {
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port = snd_legacy_find_free_ioport(possible_ports, 4);
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if (port < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR "unable to find a free WSS port\n");
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return -EBUSY;
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}
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}
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if (mpu_port == SNDRV_AUTO_PORT) {
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mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2);
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if (mpu_port < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR
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"unable to find a free MPU401 port\n");
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return -EBUSY;
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}
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}
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if (irq == SNDRV_AUTO_IRQ) {
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irq = snd_legacy_find_free_irq(possible_irqs);
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if (irq < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR "unable to find a free IRQ\n");
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return -EBUSY;
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}
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}
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if (mpu_irq == SNDRV_AUTO_IRQ) {
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mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs);
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if (mpu_irq < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR
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"unable to find a free MPU401 IRQ\n");
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return -EBUSY;
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}
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}
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if (dma1 == SNDRV_AUTO_DMA) {
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dma1 = snd_legacy_find_free_dma(possible_dma1s);
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if (dma1 < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR "unable to find a free DMA1\n");
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return -EBUSY;
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}
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}
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if (dma2 == SNDRV_AUTO_DMA) {
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dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4]);
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if (dma2 < 0) {
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snd_card_free(card);
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snd_printk(KERN_ERR "unable to find a free DMA2\n");
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return -EBUSY;
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}
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}
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snd_card_set_dev(card, devptr);
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if ((error = snd_card_register(card))) {
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error = snd_miro_probe(card);
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if (error < 0) {
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snd_card_free(card);
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return error;
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}
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@ -1447,7 +1467,8 @@ static int __devinit snd_miro_probe(struct device *devptr, unsigned int n)
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return 0;
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}
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static int __devexit snd_miro_remove(struct device *devptr, unsigned int dev)
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static int __devexit snd_miro_isa_remove(struct device *devptr,
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unsigned int dev)
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{
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snd_card_free(dev_get_drvdata(devptr));
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dev_set_drvdata(devptr, NULL);
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@ -1457,9 +1478,9 @@ static int __devexit snd_miro_remove(struct device *devptr, unsigned int dev)
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#define DEV_NAME "miro"
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static struct isa_driver snd_miro_driver = {
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.match = snd_miro_match,
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.probe = snd_miro_probe,
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.remove = __devexit_p(snd_miro_remove),
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.match = snd_miro_isa_match,
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.probe = snd_miro_isa_probe,
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.remove = __devexit_p(snd_miro_isa_remove),
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/* FIXME: suspend/resume */
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.driver = {
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.name = DEV_NAME
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