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https://github.com/adulau/aha.git
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[ALSA] es18xx - Use platform_device
Modules: ES18xx driver Rewrite the probe/remove with platform_device. Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
Jaroslav Kysela
parent
704e05204c
commit
f7e0ba3e44
1 changed files with 189 additions and 147 deletions
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@ -65,21 +65,21 @@
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#include <sound/driver.h>
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#include <asm/io.h>
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#include <asm/dma.h>
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#include <linux/init.h>
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#include <linux/pm.h>
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#include <linux/err.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <linux/pnp.h>
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#include <linux/isapnp.h>
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#include <linux/moduleparam.h>
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#include <asm/io.h>
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#include <asm/dma.h>
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#include <sound/core.h>
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#include <sound/control.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/mpu401.h>
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#include <sound/opl3.h>
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#define SNDRV_LEGACY_AUTO_PROBE
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#define SNDRV_LEGACY_FIND_FREE_IRQ
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#define SNDRV_LEGACY_FIND_FREE_DMA
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#include <sound/initval.h>
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@ -128,6 +128,14 @@ struct snd_es18xx {
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#endif
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};
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struct snd_audiodrive {
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struct snd_es18xx *chip;
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#ifdef CONFIG_PNP
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struct pnp_dev *dev;
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struct pnp_dev *devc;
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#endif
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};
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#define AUDIO1_IRQ 0x01
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#define AUDIO2_IRQ 0x02
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#define HWV_IRQ 0x04
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@ -1573,11 +1581,10 @@ static int __devinit snd_es18xx_pcm(struct snd_es18xx *chip, int device, struct
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if (rpcm)
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*rpcm = NULL;
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sprintf(str, "ES%x", chip->version);
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if (chip->caps & ES18XX_PCM2) {
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if (chip->caps & ES18XX_PCM2)
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err = snd_pcm_new(chip->card, str, device, 2, 1, &pcm);
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} else {
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else
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err = snd_pcm_new(chip->card, str, device, 1, 1, &pcm);
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}
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if (err < 0)
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return err;
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@ -1608,7 +1615,10 @@ static int __devinit snd_es18xx_pcm(struct snd_es18xx *chip, int device, struct
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#ifdef CONFIG_PM
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static int snd_es18xx_suspend(struct snd_card *card, pm_message_t state)
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{
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struct snd_es18xx *chip = card->pm_private_data;
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struct snd_audiodrive *acard = card->private_data;
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struct snd_es18xx *chip = acard->chip;
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snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);
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snd_pcm_suspend_all(chip->pcm);
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@ -1623,11 +1633,13 @@ static int snd_es18xx_suspend(struct snd_card *card, pm_message_t state)
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static int snd_es18xx_resume(struct snd_card *card)
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{
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struct snd_es18xx *chip = card->pm_private_data;
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struct snd_audiodrive *acard = card->private_data;
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struct snd_es18xx *chip = acard->chip;
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/* restore PM register, we won't wake till (not 0x07) i/o activity though */
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snd_es18xx_write(chip, ES18XX_PM, chip->pm_reg ^= ES18XX_PM_FM);
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snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0);
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return 0;
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}
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#endif /* CONFIG_PM */
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@ -1865,15 +1877,6 @@ MODULE_PARM_DESC(dma1, "DMA 1 # for ES18xx driver.");
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module_param_array(dma2, int, NULL, 0444);
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MODULE_PARM_DESC(dma2, "DMA 2 # for ES18xx driver.");
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struct snd_audiodrive {
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#ifdef CONFIG_PNP
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struct pnp_dev *dev;
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struct pnp_dev *devc;
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#endif
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};
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static struct snd_card *snd_audiodrive_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
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#ifdef CONFIG_PNP
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static struct pnp_card_device_id snd_audiodrive_pnpids[] = {
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@ -1979,209 +1982,254 @@ static int __devinit snd_audiodrive_pnp(int dev, struct snd_audiodrive *acard,
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#define is_isapnp_selected(dev) 0
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#endif
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static int __devinit snd_audiodrive_probe(int dev, struct pnp_card_link *pcard,
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const struct pnp_card_device_id *pid)
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static struct snd_card *snd_es18xx_card_new(int dev)
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{
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static int possible_irqs[] = {5, 9, 10, 7, 11, 12, -1};
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static int possible_dmas[] = {1, 0, 3, 5, -1};
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int xirq, xdma1, xdma2;
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struct snd_card *card;
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struct snd_audiodrive *acard;
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return snd_card_new(index[dev], id[dev], THIS_MODULE,
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sizeof(struct snd_audiodrive));
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}
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static int __devinit snd_audiodrive_probe(struct snd_card *card, int dev)
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{
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struct snd_audiodrive *acard = card->private_data;
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struct snd_es18xx *chip;
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struct snd_opl3 *opl3;
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int err;
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card = snd_card_new(index[dev], id[dev], THIS_MODULE,
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sizeof(struct snd_audiodrive));
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if (card == NULL)
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return -ENOMEM;
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acard = (struct snd_audiodrive *)card->private_data;
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#ifdef CONFIG_PNP
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if (isapnp[dev]) {
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if ((err = snd_audiodrive_pnp(dev, acard, pcard, pid)) < 0) {
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snd_card_free(card);
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return err;
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}
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snd_card_set_dev(card, &pcard->card->dev);
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}
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#endif
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xirq = irq[dev];
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if (xirq == SNDRV_AUTO_IRQ) {
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if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
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snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
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err = -EBUSY;
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goto _err;
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}
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}
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xdma1 = dma1[dev];
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if (xdma1 == SNDRV_AUTO_DMA) {
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if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
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snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
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err = -EBUSY;
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goto _err;
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}
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}
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xdma2 = dma2[dev];
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if (xdma2 == SNDRV_AUTO_DMA) {
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if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
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snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
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err = -EBUSY;
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goto _err;
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}
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}
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if ((err = snd_es18xx_new_device(card,
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port[dev],
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mpu_port[dev],
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fm_port[dev],
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xirq, xdma1, xdma2,
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irq[dev], dma1[dev], dma2[dev],
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&chip)) < 0)
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goto _err;
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return err;
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acard->chip = chip;
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sprintf(card->driver, "ES%x", chip->version);
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sprintf(card->shortname, "ESS AudioDrive ES%x", chip->version);
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if (xdma1 != xdma2)
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if (dma1[dev] != dma2[dev])
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sprintf(card->longname, "%s at 0x%lx, irq %d, dma1 %d, dma2 %d",
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card->shortname,
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chip->port,
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xirq, xdma1, xdma2);
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irq[dev], dma1[dev], dma2[dev]);
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else
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sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
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card->shortname,
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chip->port,
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xirq, xdma1);
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irq[dev], dma1[dev]);
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if ((err = snd_es18xx_pcm(chip, 0, NULL)) < 0)
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goto _err;
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return err;
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if ((err = snd_es18xx_mixer(chip)) < 0)
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goto _err;
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return err;
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if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
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if (snd_opl3_create(card, chip->fm_port, chip->fm_port + 2, OPL3_HW_OPL3, 0, &opl3) < 0) {
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snd_printk(KERN_WARNING PFX "opl3 not detected at 0x%lx\n", chip->fm_port);
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} else {
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if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
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goto _err;
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return err;
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}
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}
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if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
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if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES18XX,
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chip->mpu_port, 0,
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xirq, 0,
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irq[dev], 0,
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&chip->rmidi)) < 0)
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goto _err;
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return err;
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}
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if ((err = snd_card_set_generic_dev(card)) < 0)
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goto _err;
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/* Power Management */
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snd_card_set_isa_pm_callback(card, snd_es18xx_suspend, snd_es18xx_resume, chip);
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if ((err = snd_card_register(card)) < 0)
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goto _err;
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if (pcard)
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pnp_set_card_drvdata(pcard, card);
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else
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snd_audiodrive_legacy[dev] = card;
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return 0;
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_err:
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snd_card_free(card);
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return err;
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return snd_card_register(card);
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}
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static int __devinit snd_audiodrive_probe_legacy_port(unsigned long xport)
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static int __init snd_es18xx_nonpnp_probe1(int dev, struct platform_device *devptr)
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{
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static int dev;
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int res;
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struct snd_card *card;
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int err;
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for ( ; dev < SNDRV_CARDS; dev++) {
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if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
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continue;
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if (is_isapnp_selected(dev))
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continue;
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port[dev] = xport;
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res = snd_audiodrive_probe(dev, NULL, NULL);
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if (res < 0)
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port[dev] = SNDRV_AUTO_PORT;
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return res;
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card = snd_es18xx_card_new(dev);
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if (! card)
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return -ENOMEM;
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snd_card_set_dev(card, &devptr->dev);
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if ((err = snd_audiodrive_probe(card, dev)) < 0) {
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snd_card_free(card);
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return err;
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}
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return -ENODEV;
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platform_set_drvdata(devptr, card);
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return 0;
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}
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static int __init snd_es18xx_nonpnp_probe(struct platform_device *pdev)
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{
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int dev = pdev->id;
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int err;
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static int possible_irqs[] = {5, 9, 10, 7, 11, 12, -1};
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static int possible_dmas[] = {1, 0, 3, 5, -1};
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if (irq[dev] == SNDRV_AUTO_IRQ) {
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if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
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snd_printk(KERN_ERR PFX "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 (dma1[dev] == SNDRV_AUTO_DMA) {
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if ((dma1[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
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snd_printk(KERN_ERR PFX "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[dev] == SNDRV_AUTO_DMA) {
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if ((dma2[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
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snd_printk(KERN_ERR PFX "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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if (port[dev] != SNDRV_AUTO_PORT) {
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return snd_es18xx_nonpnp_probe1(dev, pdev);
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} else {
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static unsigned long possible_ports[] = {0x220, 0x240, 0x260, 0x280};
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int i;
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for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
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port[dev] = possible_ports[i];
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err = snd_es18xx_nonpnp_probe1(dev, pdev);
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if (! err)
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return 0;
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}
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return err;
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}
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}
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static int __devexit snd_es18xx_nonpnp_remove(struct platform_device *devptr)
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{
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snd_card_free(platform_get_drvdata(devptr));
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platform_set_drvdata(devptr, NULL);
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return 0;
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}
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#ifdef CONFIG_PM
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static int snd_es18xx_nonpnp_suspend(struct platform_device *dev, pm_message_t state)
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{
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return snd_es18xx_suspend(platform_get_drvdata(dev), state);
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}
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static int snd_es18xx_nonpnp_resume(struct platform_device *dev)
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{
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return snd_es18xx_resume(platform_get_drvdata(dev));
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}
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#endif
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#define ES18XX_DRIVER "snd_es18xx"
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static struct platform_driver snd_es18xx_nonpnp_driver = {
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.probe = snd_es18xx_nonpnp_probe,
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.remove = __devexit_p(snd_es18xx_nonpnp_remove),
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#ifdef CONFIG_PM
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.suspend = snd_es18xx_nonpnp_suspend,
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.resume = snd_es18xx_nonpnp_resume,
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#endif
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.driver = {
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.name = ES18XX_DRIVER
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},
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};
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#ifdef CONFIG_PNP
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static int __devinit snd_audiodrive_pnp_detect(struct pnp_card_link *card,
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const struct pnp_card_device_id *id)
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static int __devinit snd_audiodrive_pnp_detect(struct pnp_card_link *pcard,
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const struct pnp_card_device_id *pid)
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{
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static int dev;
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struct snd_card *card;
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int res;
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for ( ; dev < SNDRV_CARDS; dev++) {
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if (!enable[dev] || !isapnp[dev])
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continue;
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res = snd_audiodrive_probe(dev, card, id);
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if (res < 0)
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return res;
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dev++;
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return 0;
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}
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if (enable[dev] && isapnp[dev])
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break;
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}
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if (dev >= SNDRV_CARDS)
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return -ENODEV;
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return -ENODEV;
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card = snd_es18xx_card_new(dev);
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if (! card)
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return -ENOMEM;
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if ((res = snd_audiodrive_pnp(dev, card->private_data, pcard, pid)) < 0) {
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snd_card_free(card);
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return res;
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}
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snd_card_set_dev(card, &pcard->card->dev);
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if ((res = snd_audiodrive_probe(card, dev)) < 0) {
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snd_card_free(card);
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return res;
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}
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pnp_set_card_drvdata(pcard, card);
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dev++;
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return 0;
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}
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static void __devexit snd_audiodrive_pnp_remove(struct pnp_card_link * pcard)
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{
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struct snd_card *card = (struct snd_card *) pnp_get_card_drvdata(pcard);
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snd_card_disconnect(card);
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snd_card_free_in_thread(card);
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snd_card_free(pnp_get_card_drvdata(pcard));
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pnp_set_card_drvdata(pcard, NULL);
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}
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#ifdef CONFIG_PM
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static int snd_audiodrive_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
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{
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return snd_es18xx_suspend(pnp_get_card_drvdata(pcard), state);
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}
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static int snd_audiodrive_pnp_resume(struct pnp_card_link *pcard)
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{
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return snd_es18xx_resume(pnp_get_card_drvdata(pcard));
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}
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#endif
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static struct pnp_card_driver es18xx_pnpc_driver = {
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.flags = PNP_DRIVER_RES_DISABLE,
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.name = "es18xx",
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.id_table = snd_audiodrive_pnpids,
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.probe = snd_audiodrive_pnp_detect,
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.remove = __devexit_p(snd_audiodrive_pnp_remove),
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#ifdef CONFIG_PM
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.suspend = snd_audiodrive_pnp_suspend,
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.resume = snd_audiodrive_pnp_resume,
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#endif
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};
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#endif /* CONFIG_PNP */
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static int __init alsa_card_es18xx_init(void)
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{
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static unsigned long possible_ports[] = {0x220, 0x240, 0x260, 0x280, -1};
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int dev, cards = 0, i;
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int i, err, cards = 0;
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/* legacy non-auto cards at first */
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for (dev = 0; dev < SNDRV_CARDS; dev++) {
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if (!enable[dev] || port[dev] == SNDRV_AUTO_PORT)
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if ((err = platform_driver_register(&snd_es18xx_nonpnp_driver)) < 0)
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return err;
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|
||||
for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
|
||||
struct platform_device *device;
|
||||
if (is_isapnp_selected(i))
|
||||
continue;
|
||||
if (is_isapnp_selected(dev))
|
||||
continue;
|
||||
if (snd_audiodrive_probe(dev, NULL, NULL) >= 0)
|
||||
cards++;
|
||||
device = platform_device_register_simple(ES18XX_DRIVER,
|
||||
i, NULL, 0);
|
||||
if (IS_ERR(device)) {
|
||||
err = PTR_ERR(device);
|
||||
platform_driver_unregister(&snd_es18xx_nonpnp_driver);
|
||||
return err;
|
||||
}
|
||||
cards++;
|
||||
}
|
||||
/* legacy auto configured cards */
|
||||
i = snd_legacy_auto_probe(possible_ports, snd_audiodrive_probe_legacy_port);
|
||||
if (i > 0)
|
||||
cards += i;
|
||||
|
||||
#ifdef CONFIG_PNP
|
||||
/* ISA PnP cards at last */
|
||||
i = pnp_register_card_driver(&es18xx_pnpc_driver);
|
||||
if (i > 0)
|
||||
cards += i;
|
||||
|
||||
#endif
|
||||
if(!cards) {
|
||||
#ifdef CONFIG_PNP
|
||||
pnp_unregister_card_driver(&es18xx_pnpc_driver);
|
||||
#endif
|
||||
platform_driver_unregister(&snd_es18xx_nonpnp_driver);
|
||||
#ifdef MODULE
|
||||
snd_printk(KERN_ERR "ESS AudioDrive ES18xx soundcard not found or device busy\n");
|
||||
#endif
|
||||
|
|
@ -2192,14 +2240,8 @@ static int __init alsa_card_es18xx_init(void)
|
|||
|
||||
static void __exit alsa_card_es18xx_exit(void)
|
||||
{
|
||||
int idx;
|
||||
|
||||
#ifdef CONFIG_PNP
|
||||
/* PnP cards first */
|
||||
pnp_unregister_card_driver(&es18xx_pnpc_driver);
|
||||
#endif
|
||||
for(idx = 0; idx < SNDRV_CARDS; idx++)
|
||||
snd_card_free(snd_audiodrive_legacy[idx]);
|
||||
platform_driver_unregister(&snd_es18xx_nonpnp_driver);
|
||||
}
|
||||
|
||||
module_init(alsa_card_es18xx_init)
|
||||
|
|
|
|||
Loading…
Reference in a new issue