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345 lines
9.1 KiB
345 lines
9.1 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Driver for generic ESS AudioDrive ESx688 soundcards |
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* Copyright (c) by Jaroslav Kysela <[email protected]> |
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*/ |
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#include <linux/init.h> |
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#include <linux/err.h> |
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#include <linux/isa.h> |
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#include <linux/isapnp.h> |
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#include <linux/time.h> |
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#include <linux/wait.h> |
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#include <linux/module.h> |
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#include <asm/dma.h> |
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#include <sound/core.h> |
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#include <sound/es1688.h> |
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#include <sound/mpu401.h> |
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#include <sound/opl3.h> |
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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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#define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive" |
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#define DEV_NAME "es1688" |
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MODULE_DESCRIPTION(CRD_NAME); |
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MODULE_AUTHOR("Jaroslav Kysela <[email protected]>"); |
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MODULE_LICENSE("GPL"); |
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MODULE_ALIAS("snd_es968"); |
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
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#ifdef CONFIG_PNP |
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static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; |
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#endif |
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static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ |
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static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */ |
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static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* Usually 0x388 */ |
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static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; |
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static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ |
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static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ |
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static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */ |
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module_param_array(index, int, NULL, 0444); |
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MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard."); |
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module_param_array(id, charp, NULL, 0444); |
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MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard."); |
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module_param_array(enable, bool, NULL, 0444); |
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#ifdef CONFIG_PNP |
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module_param_array(isapnp, bool, NULL, 0444); |
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MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard."); |
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#endif |
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MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard."); |
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module_param_hw_array(port, long, ioport, NULL, 0444); |
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MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); |
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module_param_hw_array(mpu_port, long, ioport, NULL, 0444); |
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MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver."); |
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module_param_hw_array(irq, int, irq, NULL, 0444); |
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module_param_hw_array(fm_port, long, ioport, NULL, 0444); |
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MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver."); |
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MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver."); |
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module_param_hw_array(mpu_irq, int, irq, NULL, 0444); |
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MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver."); |
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module_param_hw_array(dma8, int, dma, NULL, 0444); |
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MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver."); |
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#ifdef CONFIG_PNP |
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#define is_isapnp_selected(dev) isapnp[dev] |
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#else |
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#define is_isapnp_selected(dev) 0 |
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#endif |
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static int snd_es1688_match(struct device *dev, unsigned int n) |
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{ |
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return enable[n] && !is_isapnp_selected(n); |
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} |
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static int snd_es1688_legacy_create(struct snd_card *card, |
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struct device *dev, unsigned int n) |
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{ |
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struct snd_es1688 *chip = card->private_data; |
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static const long possible_ports[] = {0x220, 0x240, 0x260}; |
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static const int possible_irqs[] = {5, 9, 10, 7, -1}; |
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static const int possible_dmas[] = {1, 3, 0, -1}; |
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int i, error; |
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if (irq[n] == SNDRV_AUTO_IRQ) { |
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irq[n] = snd_legacy_find_free_irq(possible_irqs); |
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if (irq[n] < 0) { |
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dev_err(dev, "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 (dma8[n] == SNDRV_AUTO_DMA) { |
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dma8[n] = snd_legacy_find_free_dma(possible_dmas); |
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if (dma8[n] < 0) { |
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dev_err(dev, "unable to find a free DMA\n"); |
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return -EBUSY; |
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} |
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} |
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if (port[n] != SNDRV_AUTO_PORT) |
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return snd_es1688_create(card, chip, port[n], mpu_port[n], |
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irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO); |
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i = 0; |
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do { |
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port[n] = possible_ports[i]; |
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error = snd_es1688_create(card, chip, port[n], mpu_port[n], |
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irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO); |
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} while (error < 0 && ++i < ARRAY_SIZE(possible_ports)); |
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return error; |
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} |
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static int snd_es1688_probe(struct snd_card *card, unsigned int n) |
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{ |
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struct snd_es1688 *chip = card->private_data; |
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struct snd_opl3 *opl3; |
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int error; |
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error = snd_es1688_pcm(card, chip, 0); |
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if (error < 0) |
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return error; |
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error = snd_es1688_mixer(card, chip); |
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if (error < 0) |
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return error; |
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strscpy(card->driver, "ES1688", sizeof(card->driver)); |
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strscpy(card->shortname, chip->pcm->name, sizeof(card->shortname)); |
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snprintf(card->longname, sizeof(card->longname), |
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"%s at 0x%lx, irq %i, dma %i", chip->pcm->name, chip->port, |
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chip->irq, chip->dma8); |
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if (fm_port[n] == SNDRV_AUTO_PORT) |
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fm_port[n] = port[n]; /* share the same port */ |
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if (fm_port[n] > 0) { |
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if (snd_opl3_create(card, fm_port[n], fm_port[n] + 2, |
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OPL3_HW_OPL3, 0, &opl3) < 0) |
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dev_warn(card->dev, |
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"opl3 not detected at 0x%lx\n", fm_port[n]); |
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else { |
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error = snd_opl3_hwdep_new(opl3, 0, 1, NULL); |
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if (error < 0) |
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return error; |
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} |
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} |
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if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ && |
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chip->mpu_port > 0) { |
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error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688, |
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chip->mpu_port, 0, |
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mpu_irq[n], NULL); |
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if (error < 0) |
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return error; |
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} |
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return snd_card_register(card); |
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} |
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static int snd_es1688_isa_probe(struct device *dev, unsigned int n) |
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{ |
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struct snd_card *card; |
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int error; |
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error = snd_card_new(dev, index[n], id[n], THIS_MODULE, |
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sizeof(struct snd_es1688), &card); |
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if (error < 0) |
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return error; |
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error = snd_es1688_legacy_create(card, dev, n); |
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if (error < 0) |
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goto out; |
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error = snd_es1688_probe(card, n); |
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if (error < 0) |
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goto out; |
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dev_set_drvdata(dev, card); |
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return 0; |
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out: |
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snd_card_free(card); |
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return error; |
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} |
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static void snd_es1688_isa_remove(struct device *dev, unsigned int n) |
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{ |
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snd_card_free(dev_get_drvdata(dev)); |
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} |
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static struct isa_driver snd_es1688_driver = { |
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.match = snd_es1688_match, |
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.probe = snd_es1688_isa_probe, |
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.remove = snd_es1688_isa_remove, |
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#if 0 /* FIXME */ |
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.suspend = snd_es1688_suspend, |
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.resume = snd_es1688_resume, |
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#endif |
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.driver = { |
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.name = DEV_NAME |
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} |
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}; |
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static int snd_es968_pnp_is_probed; |
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#ifdef CONFIG_PNP |
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static int snd_card_es968_pnp(struct snd_card *card, unsigned int n, |
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struct pnp_card_link *pcard, |
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const struct pnp_card_device_id *pid) |
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{ |
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struct snd_es1688 *chip = card->private_data; |
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struct pnp_dev *pdev; |
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int error; |
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pdev = pnp_request_card_device(pcard, pid->devs[0].id, NULL); |
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if (pdev == NULL) |
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return -ENODEV; |
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error = pnp_activate_dev(pdev); |
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if (error < 0) { |
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snd_printk(KERN_ERR "ES968 pnp configure failure\n"); |
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return error; |
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} |
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port[n] = pnp_port_start(pdev, 0); |
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dma8[n] = pnp_dma(pdev, 0); |
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irq[n] = pnp_irq(pdev, 0); |
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return snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n], |
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mpu_irq[n], dma8[n], ES1688_HW_AUTO); |
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} |
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static int snd_es968_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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struct snd_card *card; |
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static unsigned int dev; |
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int error; |
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if (snd_es968_pnp_is_probed) |
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return -EBUSY; |
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for ( ; dev < SNDRV_CARDS; dev++) { |
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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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error = snd_card_new(&pcard->card->dev, |
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index[dev], id[dev], THIS_MODULE, |
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sizeof(struct snd_es1688), &card); |
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if (error < 0) |
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return error; |
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error = snd_card_es968_pnp(card, dev, pcard, pid); |
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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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error = snd_es1688_probe(card, dev); |
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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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pnp_set_card_drvdata(pcard, card); |
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snd_es968_pnp_is_probed = 1; |
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return 0; |
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} |
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static void snd_es968_pnp_remove(struct pnp_card_link *pcard) |
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{ |
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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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snd_es968_pnp_is_probed = 0; |
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} |
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#ifdef CONFIG_PM |
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static int snd_es968_pnp_suspend(struct pnp_card_link *pcard, |
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pm_message_t state) |
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{ |
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struct snd_card *card = pnp_get_card_drvdata(pcard); |
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snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
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return 0; |
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} |
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static int snd_es968_pnp_resume(struct pnp_card_link *pcard) |
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{ |
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struct snd_card *card = pnp_get_card_drvdata(pcard); |
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struct snd_es1688 *chip = card->private_data; |
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snd_es1688_reset(chip); |
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snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
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return 0; |
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} |
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#endif |
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static const struct pnp_card_device_id snd_es968_pnpids[] = { |
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{ .id = "ESS0968", .devs = { { "@@@0968" }, } }, |
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{ .id = "ESS0968", .devs = { { "ESS0968" }, } }, |
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{ .id = "", } /* end */ |
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}; |
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MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids); |
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static struct pnp_card_driver es968_pnpc_driver = { |
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.flags = PNP_DRIVER_RES_DISABLE, |
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.name = DEV_NAME " PnP", |
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.id_table = snd_es968_pnpids, |
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.probe = snd_es968_pnp_detect, |
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.remove = snd_es968_pnp_remove, |
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#ifdef CONFIG_PM |
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.suspend = snd_es968_pnp_suspend, |
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.resume = snd_es968_pnp_resume, |
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#endif |
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}; |
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#endif |
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static int __init alsa_card_es1688_init(void) |
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{ |
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#ifdef CONFIG_PNP |
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pnp_register_card_driver(&es968_pnpc_driver); |
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if (snd_es968_pnp_is_probed) |
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return 0; |
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pnp_unregister_card_driver(&es968_pnpc_driver); |
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#endif |
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return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS); |
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} |
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static void __exit alsa_card_es1688_exit(void) |
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{ |
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if (!snd_es968_pnp_is_probed) { |
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isa_unregister_driver(&snd_es1688_driver); |
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return; |
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} |
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#ifdef CONFIG_PNP |
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pnp_unregister_card_driver(&es968_pnpc_driver); |
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#endif |
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} |
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module_init(alsa_card_es1688_init); |
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module_exit(alsa_card_es1688_exit);
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