From 99a0b7687ef991a577506a1974be146f02f18d74 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 17 Nov 2005 17:13:59 +0100 Subject: [PATCH] [ALSA] opti9xx - Use platform_device Modules: Opti9xx drivers Rewrite the probe/remove with platform_device. Signed-off-by: Takashi Iwai --- sound/isa/opti9xx/opti92x-ad1848.c | 507 ++++++++++++----------------- 1 file changed, 209 insertions(+), 298 deletions(-) diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c index fddf7b9549ba..39211e58cd68 100644 --- a/sound/isa/opti9xx/opti92x-ad1848.c +++ b/sound/isa/opti9xx/opti92x-ad1848.c @@ -24,13 +24,15 @@ #include -#include -#include -#include #include +#include +#include +#include #include #include #include +#include +#include #include #ifdef CS4231 #include @@ -256,8 +258,7 @@ struct snd_opti9xx { #endif /* CONFIG_PNP */ }; -static int snd_opti9xx_first_hit = 1; -static struct snd_card *snd_opti9xx_legacy = SNDRV_DEFAULT_PTR1; +static int snd_opti9xx_pnp_is_probed; #ifdef CONFIG_PNP @@ -292,7 +293,7 @@ static char * snd_opti9xx_names[] = { }; -static long snd_legacy_find_free_ioport(long *port_table, long size) +static long __init snd_legacy_find_free_ioport(long *port_table, long size) { while (*port_table != -1) { if (request_region(*port_table, size, "ALSA test")) { @@ -304,7 +305,7 @@ static long snd_legacy_find_free_ioport(long *port_table, long size) return -1; } -static int __devinit snd_opti9xx_init(struct snd_opti9xx *chip, unsigned short hardware) +static int __init snd_opti9xx_init(struct snd_opti9xx *chip, unsigned short hardware) { static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2}; @@ -449,7 +450,7 @@ static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg, (snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask))) -static int __devinit snd_opti9xx_configure(struct snd_opti9xx *chip) +static int __init snd_opti9xx_configure(struct snd_opti9xx *chip) { unsigned char wss_base_bits; unsigned char irq_bits; @@ -1620,7 +1621,7 @@ static int snd_opti93x_mixer(struct snd_opti93x *chip) #endif /* OPTi93X */ -static int __devinit snd_card_opti9xx_detect(struct snd_card *card, struct snd_opti9xx *chip) +static int __init snd_card_opti9xx_detect(struct snd_card *card, struct snd_opti9xx *chip) { int i, err; @@ -1674,8 +1675,8 @@ static int __devinit snd_card_opti9xx_detect(struct snd_card *card, struct snd_o } #ifdef CONFIG_PNP -static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip, struct pnp_card_link *card, - const struct pnp_card_device_id *pid) +static int __init snd_card_opti9xx_pnp(struct snd_opti9xx *chip, struct pnp_card_link *card, + const struct pnp_card_device_id *pid) { struct pnp_dev *pdev; struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL); @@ -1766,128 +1767,19 @@ static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip, struct pnp_c } #endif /* CONFIG_PNP */ -#if 0 -static int __devinit snd_card_opti9xx_resources(struct snd_card_opti9xx *chip, - struct snd_card *card) -{ - int error, i, pnp = 0; - -#ifdef CONFIG_PNP - pnp = chip->dev != NULL; -#endif /* CONFIG_PNP */ - -#ifndef OPTi93X - if (chip->chip->hardware == OPTi9XX_HW_82C928) - mpu_port = -1; -#endif /* OPTi93X */ - error = 0; - if (!pnp && (mpu_port == SNDRV_DEFAULT_PORT1)) { - for (i = 0; possible_mpu_ports[i] != -1; i++) - if (!snd_register_ioport(card, possible_mpu_ports[i], 2, - DRIVER_NAME" - MPU-401", NULL)) { - mpu_port = possible_mpu_ports[i]; - break; - } - if (mpu_port == SNDRV_DEFAULT_PORT1) - error = -EBUSY; - } - else - error = (mpu_port == -1) ? -ENODEV : - snd_register_ioport(card, mpu_port, 2, - DRIVER_NAME" - MPU-401", NULL); - if (error) - chip->chip->mpu_port = -1; - else if (pnp && (irq == mpu_irq)) - chip->chip->mpu_irq = mpu_irq; - else if (!snd_register_interrupt(card, - DRIVER_NAME" - MPU-401", - mpu_irq, SNDRV_IRQ_TYPE_ISA, - snd_card_opti9xx_mpu_interrupt, chip, - pnp ? no_alternatives : possible_mpu_irqs, - &chip->mpuirqptr)) { - chip->chip->mpu_port = mpu_port; - chip->chip->mpu_irq = chip->mpuirqptr->irq; - } - else - chip->chip->mpu_port = -1; - - if (!pnp && (port == SNDRV_DEFAULT_PORT1)) { - for (i = 0; possible_ports[i] != -1; i++) - if (!snd_register_ioport(card, possible_ports[i], 8, - DRIVER_NAME" - WSS", NULL)) { - port = possible_ports[i]; - break; - } - if (port == SNDRV_DEFAULT_PORT1) - return -EBUSY; - } - else if ((error = snd_register_ioport(card, port, 8, - DRIVER_NAME" - WSS", NULL)) < 0) - return error; - chip->chip->wss_base = port; - if ((error = snd_register_interrupt(card, DRIVER_NAME" - WSS", - irq, SNDRV_IRQ_TYPE_ISA, - snd_card_opti9xx_interrupt, chip, - pnp ? no_alternatives : possible_irqs, - &chip->irqptr)) < 0) - return error; - chip->chip->irq = chip->irqptr->irq; - if ((error = snd_register_dma_channel(card, -#if defined(CS4231) || defined(OPTi93X) - DRIVER_NAME" - WSS playback", -#else - DRIVER_NAME" - WSS", -#endif /* CS4231 || OPTi93X */ - dma1, SNDRV_DMA_TYPE_ISA, dma1_size, - pnp ? no_alternatives : possible_dma1s, - &chip->dma1ptr)) < 0) - return error; - chip->chip->dma1 = chip->dma1ptr->dma; -#if defined(CS4231) || defined(OPTi93X) - if ((error = snd_register_dma_channel(card, DRIVER_NAME" - WSS capture", - dma2, SNDRV_DMA_TYPE_ISA, dma2_size, - pnp ? no_alternatives : - possible_dma2s[chip->dma1ptr->dma], - &chip->dma2ptr)) < 0) - return error; - chip->chip->dma2 = chip->dma2ptr->dma; -#endif /* CS4231 || OPTi93X */ - - if (snd_register_ioport(card, - pnp ? fm_port : fm_port = 0x388, 4, - DRIVER_NAME" - OPL", NULL) < 0) - fm_port = -1; - chip->chip->fm_port = fm_port; - - return 0; -} -#endif - static void snd_card_opti9xx_free(struct snd_card *card) { - struct snd_opti9xx *chip = (struct snd_opti9xx *)card->private_data; + struct snd_opti9xx *chip = card->private_data; if (chip) release_and_free_resource(chip->res_mc_base); } -static int snd_card_opti9xx_probe(struct pnp_card_link *pcard, - const struct pnp_card_device_id *pid) +static int __init snd_opti9xx_probe(struct snd_card *card) { static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1}; - static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1}; -#ifdef OPTi93X - static int possible_irqs[] = {5, 9, 10, 11, 7, -1}; -#else - static int possible_irqs[] = {9, 10, 11, 7, -1}; -#endif /* OPTi93X */ - static int possible_mpu_irqs[] = {5, 9, 10, 7, -1}; - static int possible_dma1s[] = {3, 1, 0, -1}; -#if defined(CS4231) || defined(OPTi93X) - static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}}; -#endif /* CS4231 || OPTi93X */ int error; - struct snd_opti9xx *chip; + struct snd_opti9xx *chip = card->private_data; #if defined(OPTi93X) struct snd_opti93x *codec; #elif defined(CS4231) @@ -1896,65 +1788,14 @@ static int snd_card_opti9xx_probe(struct pnp_card_link *pcard, #else struct snd_ad1848 *codec; #endif - struct snd_card *card; struct snd_pcm *pcm; struct snd_rawmidi *rmidi; struct snd_hwdep *synth; -#ifdef CONFIG_PNP - int hw; -#endif /* CONFIG_PNP */ - - if (pcard && !snd_opti9xx_first_hit) - return -EBUSY; - if (!(card = snd_card_new(index, id, THIS_MODULE, - sizeof(struct snd_opti9xx)))) - return -ENOMEM; - card->private_free = snd_card_opti9xx_free; - chip = (struct snd_opti9xx *)card->private_data; - -#ifdef CONFIG_PNP - if (isapnp && pcard && (hw = snd_card_opti9xx_pnp(chip, pcard, pid)) > 0) { - switch (hw) { - case 0x0924: - hw = OPTi9XX_HW_82C924; - break; - case 0x0925: - hw = OPTi9XX_HW_82C925; - break; - case 0x0931: - hw = OPTi9XX_HW_82C931; - break; - default: - snd_card_free(card); - return -ENODEV; - } - - if ((error = snd_opti9xx_init(chip, hw))) { - snd_card_free(card); - return error; - } - if (hw <= OPTi9XX_HW_82C930) - chip->mc_base -= 0x80; - snd_card_set_dev(card, &pcard->card->dev); - } else { -#endif /* CONFIG_PNP */ - if ((error = snd_card_opti9xx_detect(card, chip)) < 0) { - snd_card_free(card); - return error; - } - if ((error = snd_card_set_generic_dev(card)) < 0) { - snd_card_free(card); - return error; - } -#ifdef CONFIG_PNP - } -#endif /* CONFIG_PNP */ if (! chip->res_mc_base && - (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL) { - snd_card_free(card); + (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, + "OPTi9xx MC")) == NULL) return -ENOMEM; - } chip->wss_base = port; chip->fm_port = fm_port; @@ -1968,110 +1809,42 @@ static int snd_card_opti9xx_probe(struct pnp_card_link *pcard, if (chip->wss_base == SNDRV_AUTO_PORT) { if ((chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) { - snd_card_free(card); snd_printk("unable to find a free WSS port\n"); return -EBUSY; } } -#ifdef CONFIG_PNP - if (!isapnp) { -#endif - if (chip->mpu_port == SNDRV_AUTO_PORT) { - if ((chip->mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) { - snd_card_free(card); - snd_printk("unable to find a free MPU401 port\n"); - return -EBUSY; - } - } - if (chip->irq == SNDRV_AUTO_IRQ) { - if ((chip->irq = snd_legacy_find_free_irq(possible_irqs)) < 0) { - snd_card_free(card); - snd_printk("unable to find a free IRQ\n"); - return -EBUSY; - } - } - if (chip->mpu_irq == SNDRV_AUTO_IRQ) { - if ((chip->mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) { - snd_card_free(card); - snd_printk("unable to find a free MPU401 IRQ\n"); - return -EBUSY; - } - } - if (chip->dma1 == SNDRV_AUTO_DMA) { - if ((chip->dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) { - snd_card_free(card); - snd_printk("unable to find a free DMA1\n"); - return -EBUSY; - } - } -#if defined(CS4231) || defined(OPTi93X) - if (chip->dma2 == SNDRV_AUTO_DMA) { - if ((chip->dma2 = snd_legacy_find_free_dma(possible_dma2s[chip->dma1 % 4])) < 0) { - snd_card_free(card); - snd_printk("unable to find a free DMA2\n"); - return -EBUSY; - } - } -#endif - -#ifdef CONFIG_PNP - } -#endif - - if ((error = snd_opti9xx_configure(chip))) { - snd_card_free(card); + if ((error = snd_opti9xx_configure(chip))) return error; - } #if defined(OPTi93X) - if ((error = snd_opti93x_create(card, chip, chip->dma1, chip->dma2, &codec))) { - snd_card_free(card); + if ((error = snd_opti93x_create(card, chip, chip->dma1, chip->dma2, &codec))) return error; - } - if ((error = snd_opti93x_pcm(codec, 0, &pcm)) < 0) { - snd_card_free(card); + if ((error = snd_opti93x_pcm(codec, 0, &pcm)) < 0) return error; - } - if ((error = snd_opti93x_mixer(codec)) < 0) { - snd_card_free(card); + if ((error = snd_opti93x_mixer(codec)) < 0) return error; - } #elif defined(CS4231) if ((error = snd_cs4231_create(card, chip->wss_base + 4, -1, chip->irq, chip->dma1, chip->dma2, CS4231_HW_DETECT, 0, - &codec)) < 0) { - snd_card_free(card); + &codec)) < 0) return error; - } - if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0) { - snd_card_free(card); + if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0) return error; - } - if ((error = snd_cs4231_mixer(codec)) < 0) { - snd_card_free(card); + if ((error = snd_cs4231_mixer(codec)) < 0) return error; - } - if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0) { - snd_card_free(card); + if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0) return error; - } #else if ((error = snd_ad1848_create(card, chip->wss_base + 4, chip->irq, chip->dma1, - AD1848_HW_DETECT, &codec)) < 0) { - snd_card_free(card); + AD1848_HW_DETECT, &codec)) < 0) return error; - } - if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0) { - snd_card_free(card); + if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0) return error; - } - if ((error = snd_ad1848_mixer(codec)) < 0) { - snd_card_free(card); + if ((error = snd_ad1848_mixer(codec)) < 0) return error; - } #endif strcpy(card->driver, chip->name); sprintf(card->shortname, "OPTi %s", card->driver); @@ -2091,7 +1864,8 @@ static int snd_card_opti9xx_probe(struct pnp_card_link *pcard, if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401, chip->mpu_port, 0, chip->mpu_irq, SA_INTERRUPT, &rmidi))) - snd_printk("no MPU-401 device at 0x%lx?\n", chip->mpu_port); + snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n", + chip->mpu_port); if (chip->fm_port > 0 && chip->fm_port != SNDRV_AUTO_PORT) { struct snd_opl3 *opl3 = NULL; @@ -2117,89 +1891,226 @@ static int snd_card_opti9xx_probe(struct pnp_card_link *pcard, chip->fm_port, chip->fm_port + 2, OPL3_HW_AUTO, 0, &opl3) < 0) { - snd_printk("no OPL device at 0x%lx-0x%lx\n", + snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n", chip->fm_port, chip->fm_port + 4 - 1); } if (opl3) { - if ((error = snd_opl3_timer_new(opl3, #ifdef CS4231 - 1, 2)) < 0) { + const int t1dev = 1; #else - 0, 1)) < 0) { -#endif /* CS4231 */ - snd_card_free(card); + const int t1dev = 0; +#endif + if ((error = snd_opl3_timer_new(opl3, t1dev, t1dev+1)) < 0) return error; - } - if ((error = snd_opl3_hwdep_new(opl3, 0, 1, &synth)) < 0) { - snd_card_free(card); + if ((error = snd_opl3_hwdep_new(opl3, 0, 1, &synth)) < 0) return error; - } } } - if ((error = snd_card_register(card))) { + return snd_card_register(card); +} + +static struct snd_card *snd_opti9xx_card_new(void) +{ + struct snd_card *card; + + card = snd_card_new(index, id, THIS_MODULE, sizeof(struct snd_opti9xx)); + if (! card) + return NULL; + card->private_free = snd_card_opti9xx_free; + return card; +} + +static int __init snd_opti9xx_nonpnp_probe(struct platform_device *devptr) +{ + struct snd_card *card; + int error; + static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1}; +#ifdef OPTi93X + static int possible_irqs[] = {5, 9, 10, 11, 7, -1}; +#else + static int possible_irqs[] = {9, 10, 11, 7, -1}; +#endif /* OPTi93X */ + static int possible_mpu_irqs[] = {5, 9, 10, 7, -1}; + static int possible_dma1s[] = {3, 1, 0, -1}; +#if defined(CS4231) || defined(OPTi93X) + static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}}; +#endif /* CS4231 || OPTi93X */ + + if (snd_opti9xx_pnp_is_probed) + return -EBUSY; + + if (mpu_port == SNDRV_AUTO_PORT) { + if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) { + snd_printk(KERN_ERR "unable to find a free MPU401 port\n"); + return -EBUSY; + } + } + if (irq == SNDRV_AUTO_IRQ) { + if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) { + snd_printk(KERN_ERR "unable to find a free IRQ\n"); + return -EBUSY; + } + } + if (mpu_irq == SNDRV_AUTO_IRQ) { + if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) { + snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n"); + return -EBUSY; + } + } + if (dma1 == SNDRV_AUTO_DMA) { + if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) { + snd_printk(KERN_ERR "unable to find a free DMA1\n"); + return -EBUSY; + } + } +#if defined(CS4231) || defined(OPTi93X) + if (dma2 == SNDRV_AUTO_DMA) { + if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) { + snd_printk("unable to find a free DMA2\n"); + return -EBUSY; + } + } +#endif + + card = snd_opti9xx_card_new(); + if (! card) + return -ENOMEM; + + if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) { snd_card_free(card); return error; } - snd_opti9xx_first_hit = 0; - if (pcard) - pnp_set_card_drvdata(pcard, card); - else - snd_opti9xx_legacy = card; + snd_card_set_dev(card, &devptr->dev); + if ((error = snd_opti9xx_probe(card)) < 0) { + snd_card_free(card); + return error; + } + platform_set_drvdata(devptr, card); + return 0; +} + +static int __devexit snd_opti9xx_nonpnp_remove(struct platform_device *devptr) +{ + snd_card_free(platform_get_drvdata(devptr)); + platform_set_drvdata(devptr, NULL); return 0; } +static struct platform_driver snd_opti9xx_driver = { + .probe = snd_opti9xx_nonpnp_probe, + .remove = __devexit_p(snd_opti9xx_nonpnp_remove), + /* FIXME: suspend/resume */ + .driver = { + .name = DRIVER_NAME + }, +}; + #ifdef CONFIG_PNP -static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard) +static int __init snd_opti9xx_pnp_probe(struct pnp_card_link *pcard, + const struct pnp_card_device_id *pid) { - struct snd_card *card = (struct snd_card *) pnp_get_card_drvdata(pcard); + struct snd_card *card; + int error, hw; + struct snd_opti9xx *chip; + + if (snd_opti9xx_pnp_is_probed) + return -EBUSY; + if (! isapnp) + return -ENODEV; + card = snd_opti9xx_card_new(); + if (! card) + return -ENOMEM; + chip = card->private_data; - snd_card_disconnect(card); - snd_card_free_in_thread(card); - snd_opti9xx_first_hit = 0; + hw = snd_card_opti9xx_pnp(chip, pcard, pid); + switch (hw) { + case 0x0924: + hw = OPTi9XX_HW_82C924; + break; + case 0x0925: + hw = OPTi9XX_HW_82C925; + break; + case 0x0931: + hw = OPTi9XX_HW_82C931; + break; + default: + snd_card_free(card); + return -ENODEV; + } + + if ((error = snd_opti9xx_init(chip, hw))) { + snd_card_free(card); + return error; + } + if (hw <= OPTi9XX_HW_82C930) + chip->mc_base -= 0x80; + snd_card_set_dev(card, &pcard->card->dev); + if ((error = snd_opti9xx_probe(card)) < 0) { + snd_card_free(card); + return error; + } + pnp_set_card_drvdata(pcard, card); + snd_opti9xx_pnp_is_probed = 1; + return 0; +} + +static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard) +{ + snd_card_free(pnp_get_card_drvdata(pcard)); + pnp_set_card_drvdata(pcard, NULL); + snd_opti9xx_pnp_is_probed = 0; } static struct pnp_card_driver opti9xx_pnpc_driver = { .flags = PNP_DRIVER_RES_DISABLE, .name = "opti9xx", .id_table = snd_opti9xx_pnpids, - .probe = snd_card_opti9xx_probe, + .probe = snd_opti9xx_pnp_probe, .remove = __devexit_p(snd_opti9xx_pnp_remove), }; #endif -static int __init alsa_card_opti9xx_init(void) -{ - int cards, error; - #ifdef CONFIG_PNP - cards = pnp_register_card_driver(&opti9xx_pnpc_driver); +#define is_isapnp_selected() isapnp #else - cards = 0; -#endif - if (cards == 0 && (error = snd_card_opti9xx_probe(NULL, NULL)) < 0) { -#ifdef CONFIG_PNP - pnp_unregister_card_driver(&opti9xx_pnpc_driver); +#define is_isapnp_selected() 0 #endif -#ifdef MODULE #ifdef OPTi93X - printk(KERN_ERR "no OPTi 82C93x soundcard found\n"); +#define CHIP_NAME "82C93x" #else - printk(KERN_ERR "no OPTi 82C92x soundcard found\n"); -#endif /* OPTi93X */ +#define CHIP_NAME "82C92x" #endif - return error; + +static int __init alsa_card_opti9xx_init(void) +{ + int error; + struct platform_device *device; + + pnp_register_card_driver(&opti9xx_pnpc_driver); + if (snd_opti9xx_pnp_is_probed) + return 0; + if (! is_isapnp_selected()) { + error = platform_driver_register(&snd_opti9xx_driver); + if (error < 0) + return error; + device = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0); + if (! IS_ERR(device)) + return 0; + platform_driver_unregister(&snd_opti9xx_driver); } - return 0; + pnp_unregister_card_driver(&opti9xx_pnpc_driver); +#ifdef MODULE + printk(KERN_ERR "no OPTi " CHIP_NAME " soundcard found\n"); +#endif + return -ENODEV; } static void __exit alsa_card_opti9xx_exit(void) { -#ifdef CONFIG_PNP + if (! snd_opti9xx_pnp_is_probed) + platform_driver_unregister(&snd_opti9xx_driver); pnp_unregister_card_driver(&opti9xx_pnpc_driver); -#endif - if (snd_opti9xx_legacy) - snd_card_free(snd_opti9xx_legacy); } module_init(alsa_card_opti9xx_init) -- GitLab