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SubjectRe: [PATCH] PnP Changes for 2.5.64
Hello, Adam and other.
Now with this changes, driver depend on CONFIG_PNP.
What to do if I want compile kernel without PnP layer and I want use my
soundcard?
Best regards, Ruslan.

On Mon, 10 Mar 2003, Adam Belay wrote:
> # This is a BitKeeper generated patch for the following project:
> # Project Name: Linux kernel tree
> # This patch format is intended for GNU patch command version 2.5 or higher.
> # This patch includes the following deltas:
> # ChangeSet 1.1081 -> 1.1082
> # sound/isa/als100.c 1.7 -> 1.8
> #
> # The following is the BitKeeper ChangeSet Log
> # --------------------------------------------
> # 03/03/09 ambx1@neo.rr.com 1.1082
> # ALS100 Updates
> #
> # Updates the als100 driver to use the pnp apis. Includes resource config
> # templates.
> # --------------------------------------------
> #
> diff -Nru a/sound/isa/als100.c b/sound/isa/als100.c
> --- a/sound/isa/als100.c Sun Mar 9 23:47:46 2003
> +++ b/sound/isa/als100.c Sun Mar 9 23:47:46 2003
> @@ -24,11 +24,7 @@
> #include <linux/init.h>
> #include <linux/wait.h>
> #include <linux/time.h>
> -#ifndef LINUX_ISAPNP_H
> -#include <linux/isapnp.h>
> -#define isapnp_card pci_bus
> -#define isapnp_dev pci_dev
> -#endif
> +#include <linux/pnp.h>
> #include <sound/core.h>
> #define SNDRV_GET_ID
> #include <sound/initval.h>
> @@ -96,167 +92,126 @@
> MODULE_PARM_SYNTAX(dma16, SNDRV_DMA16_DESC);
>
> struct snd_card_als100 {
> -#ifdef __ISAPNP__
> - struct isapnp_dev *dev;
> - struct isapnp_dev *devmpu;
> - struct isapnp_dev *devopl;
> -#endif /* __ISAPNP__ */
> + int dev_no;
> + struct pnp_dev *dev;
> + struct pnp_dev *devmpu;
> + struct pnp_dev *devopl;
> };
>
> -static snd_card_t *snd_als100_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
> -
> -#ifdef __ISAPNP__
> -static struct isapnp_card *snd_als100_isapnp_cards[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_PTR;
> -static const struct isapnp_card_id *snd_als100_isapnp_id[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_PTR;
> -
> -#define ISAPNP_ALS100(_va, _vb, _vc, _device, _audio, _mpu401, _opl) \
> - { \
> - ISAPNP_CARD_ID(_va, _vb, _vc, _device), \
> - devs : { ISAPNP_DEVICE_ID('@', '@', '@', _audio), \
> - ISAPNP_DEVICE_ID('@', 'X', '@', _mpu401), \
> - ISAPNP_DEVICE_ID('@', 'H', '@', _opl) } \
> - }
> -
> -static struct isapnp_card_id snd_als100_pnpids[] __devinitdata = {
> +static struct pnp_card_id snd_als100_pnpids[] __devinitdata = {
> /* ALS100 - PRO16PNP */
> - ISAPNP_ALS100('A','L','S',0x0001,0x0001,0x0001,0x0001),
> + { .id = "ALS0001", .devs = { { "@@@0001" }, { "@X@0001" }, { "@H@0001" }, } },
> /* ALS110 - MF1000 - Digimate 3D Sound */
> - ISAPNP_ALS100('A','L','S',0x0110,0x1001,0x1001,0x1001),
> + { .id = "ALS0110", .devs = { { "@@@1001" }, { "@X@1001" }, { "@H@1001" }, } },
> /* ALS120 */
> - ISAPNP_ALS100('A','L','S',0x0120,0x2001,0x2001,0x2001),
> + { .id = "ALS0120", .devs = { { "@@@2001" }, { "@X@2001" }, { "@H@2001" }, } },
> /* ALS200 */
> - ISAPNP_ALS100('A','L','S',0x0200,0x0020,0x0020,0x0001),
> + { .id = "ALS0200", .devs = { { "@@@0020" }, { "@X@0020" }, { "@H@0001" }, } },
> /* RTL3000 */
> - ISAPNP_ALS100('R','T','L',0x3000,0x2001,0x2001,0x2001),
> - { ISAPNP_CARD_END, }
> + { .id = "RTL3000", .devs = { { "@@@2001" }, { "@X@2001" }, { "@H@2001" }, } },
> + { .id = "", } /* end */
> };
>
> -ISAPNP_CARD_TABLE(snd_als100_pnpids);
> -
> -#endif /* __ISAPNP__ */
> +MODULE_DEVICE_TABLE(pnp_card, snd_als100_pnpids);
>
> #define DRIVER_NAME "snd-card-als100"
>
> +static struct pnp_card_driver als100_pnpc_driver;
>
> -#ifdef __ISAPNP__
> -static int __init snd_card_als100_isapnp(int dev, struct snd_card_als100 *acard)
> +static int __devinit snd_card_als100_isapnp(int dev, struct snd_card_als100 *acard,
> + struct pnp_card *card,
> + const struct pnp_card_id *id)
> {
> - const struct isapnp_card_id *id = snd_als100_isapnp_id[dev];
> - struct isapnp_card *card = snd_als100_isapnp_cards[dev];
> - struct isapnp_dev *pdev;
> -
> - acard->dev = isapnp_find_dev(card, id->devs[0].vendor, id->devs[0].function, NULL);
> - if (acard->dev->active) {
> - acard->dev = NULL;
> - return -EBUSY;
> - }
> - acard->devmpu = isapnp_find_dev(card, id->devs[1].vendor, id->devs[1].function, NULL);
> - if (acard->devmpu->active) {
> - acard->dev = acard->devmpu = NULL;
> - return -EBUSY;
> - }
> - acard->devopl = isapnp_find_dev(card, id->devs[2].vendor, id->devs[2].function, NULL);
> - if (acard->devopl->active) {
> - acard->dev = acard->devmpu = acard->devopl = NULL;
> - return -EBUSY;
> + struct pnp_dev *pdev;
> + struct pnp_resource_table * cfg = kmalloc(GFP_ATOMIC, sizeof(struct pnp_resource_table));
> + int err;
> + if (!cfg)
> + return -ENOMEM;
> + acard->dev = pnp_request_card_device(&als100_pnpc_driver, card, id->devs[0].id, NULL);
> + if (acard->dev == NULL) {
> + kfree(cfg);
> + return -ENODEV;
> }
> + acard->devmpu = pnp_request_card_device(&als100_pnpc_driver, card, id->devs[1].id, acard->dev);
> + acard->devopl = pnp_request_card_device(&als100_pnpc_driver, card, id->devs[2].id, acard->devmpu);
>
> pdev = acard->dev;
> - if (pdev->prepare(pdev)<0)
> - return -EAGAIN;
>
> + pnp_init_resource_table(cfg);
> +
> + /* override resources */
> if (port[dev] != SNDRV_AUTO_PORT)
> - isapnp_resource_change(&pdev->resource[0], port[dev], 16);
> + pnp_resource_change(&cfg->port_resource[0], port[dev], 16);
> if (dma8[dev] != SNDRV_AUTO_DMA)
> - isapnp_resource_change(&pdev->dma_resource[0], dma8[dev],
> - 1);
> + pnp_resource_change(&cfg->dma_resource[0], dma8[dev], 1);
> if (dma16[dev] != SNDRV_AUTO_DMA)
> - isapnp_resource_change(&pdev->dma_resource[1], dma16[dev],
> - 1);
> + pnp_resource_change(&cfg->dma_resource[1], dma16[dev], 1);
> if (irq[dev] != SNDRV_AUTO_IRQ)
> - isapnp_resource_change(&pdev->irq_resource[0], irq[dev], 1);
> -
> - if (pdev->activate(pdev)<0) {
> - printk(KERN_ERR PFX "AUDIO isapnp configure failure\n");
> - return -EBUSY;
> - }
> -
> - port[dev] = pdev->resource[0].start;
> - dma8[dev] = pdev->dma_resource[1].start;
> - dma16[dev] = pdev->dma_resource[0].start;
> - irq[dev] = pdev->irq_resource[0].start;
> + pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
> + if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)
> + printk(KERN_ERR PFX "AUDIO the requested resources are invalid, using auto config\n");
> + err = pnp_activate_dev(pdev);
> + if (err < 0) {
> + printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
> + return err;
> + }
> + port[dev] = pnp_port_start(pdev, 0);
> + dma8[dev] = pnp_dma(pdev, 1);
> + dma16[dev] = pnp_dma(pdev, 0);
> + irq[dev] = pnp_irq(pdev, 0);
>
> pdev = acard->devmpu;
> - if (pdev == NULL || pdev->prepare(pdev)<0) {
> - mpu_port[dev] = -1;
> - return 0;
> - }
> -
> - if (mpu_port[dev] != SNDRV_AUTO_PORT)
> - isapnp_resource_change(&pdev->resource[0], mpu_port[dev],
> - 2);
> - if (mpu_irq[dev] != SNDRV_AUTO_IRQ)
> - isapnp_resource_change(&pdev->irq_resource[0], mpu_irq[dev],
> - 1);
> -
> - if (pdev->activate(pdev)<0) {
> - printk(KERN_ERR PFX "MPU-401 isapnp configure failure\n");
> - mpu_port[dev] = -1;
> - acard->devmpu = NULL;
> + if (pdev != NULL) {
> + pnp_init_resource_table(cfg);
> + if (mpu_port[dev] != SNDRV_AUTO_PORT)
> + pnp_resource_change(&cfg->port_resource[0], mpu_port[dev], 2);
> + if (mpu_irq[dev] != SNDRV_AUTO_IRQ)
> + pnp_resource_change(&cfg->irq_resource[0], mpu_irq[dev], 1);
> + if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)
> + printk(KERN_ERR PFX "MPU401 the requested resources are invalid, using auto config\n");
> + err = pnp_activate_dev(pdev);
> + if (err < 0)
> + goto __mpu_error;
> + mpu_port[dev] = pnp_port_start(pdev, 0);
> + mpu_irq[dev] = pnp_irq(pdev, 0);
> } else {
> - mpu_port[dev] = pdev->resource[0].start;
> - mpu_irq[dev] = pdev->irq_resource[0].start;
> + __mpu_error:
> + if (pdev) {
> + pnp_release_card_device(pdev);
> + printk(KERN_ERR PFX "MPU401 pnp configure failure, skipping\n");
> + }
> + acard->devmpu = NULL;
> + mpu_port[dev] = -1;
> }
>
> pdev = acard->devopl;
> - if (pdev == NULL || pdev->prepare(pdev)<0) {
> - fm_port[dev] = -1;
> - return 0;
> - }
> -
> - if (fm_port[dev] != SNDRV_AUTO_PORT)
> - isapnp_resource_change(&pdev->resource[0], fm_port[dev], 4);
> -
> - if (pdev->activate(pdev)<0) {
> - printk(KERN_ERR PFX "OPL isapnp configure failure\n");
> - fm_port[dev] = -1;
> - acard->devopl = NULL;
> + if (pdev != NULL) {
> + pnp_init_resource_table(cfg);
> + if (fm_port[dev] != SNDRV_AUTO_PORT)
> + pnp_resource_change(&cfg->port_resource[0], fm_port[dev], 4);
> + if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)
> + printk(KERN_ERR PFX "OPL3 the requested resources are invalid, using auto config\n");
> + err = pnp_activate_dev(pdev);
> + if (err < 0)
> + goto __fm_error;
> + fm_port[dev] = pnp_port_start(pdev, 0);
> } else {
> - fm_port[dev] = pdev->resource[0].start;
> + __fm_error:
> + if (pdev) {
> + pnp_release_card_device(pdev);
> + printk(KERN_ERR PFX "OPL3 pnp configure failure, skipping\n");
> + }
> + acard->devopl = NULL;
> + fm_port[dev] = -1;
> }
>
> + kfree(cfg);
> return 0;
> }
>
> -static void snd_card_als100_deactivate(struct snd_card_als100 *acard)
> -{
> - if (acard->dev) {
> - acard->dev->deactivate(acard->dev);
> - acard->dev = NULL;
> - }
> - if (acard->devmpu) {
> - acard->devmpu->deactivate(acard->devmpu);
> - acard->devmpu = NULL;
> - }
> - if (acard->devopl) {
> - acard->devopl->deactivate(acard->devopl);
> - acard->devopl = NULL;
> - }
> -}
> -#endif /* __ISAPNP__ */
> -
> -static void snd_card_als100_free(snd_card_t *card)
> -{
> - struct snd_card_als100 *acard = (struct snd_card_als100 *)card->private_data;
> -
> - if (acard) {
> -#ifdef __ISAPNP__
> - snd_card_als100_deactivate(acard);
> -#endif /* __ISAPNP__ */
> - }
> -}
> -
> -static int __init snd_card_als100_probe(int dev)
> +static int __init snd_card_als100_probe(int dev,
> + struct pnp_card *pcard,
> + const struct pnp_card_id *pid)
> {
> int error;
> sb_t *chip;
> @@ -268,18 +223,11 @@
> sizeof(struct snd_card_als100))) == NULL)
> return -ENOMEM;
> acard = (struct snd_card_als100 *)card->private_data;
> - card->private_free = snd_card_als100_free;
>
> -#ifdef __ISAPNP__
> - if ((error = snd_card_als100_isapnp(dev, acard))) {
> + if ((error = snd_card_als100_isapnp(dev, acard, pcard, pid))) {
> snd_card_free(card);
> return error;
> }
> -#else
> - printk(KERN_ERR PFX "you have to enable PnP support ...\n");
> - snd_card_free(card);
> - return -ENOSYS;
> -#endif /* __ISAPNP__ */
>
> if ((error = snd_sbdsp_create(card, port[dev],
> irq[dev],
> @@ -336,13 +284,12 @@
> snd_card_free(card);
> return error;
> }
> - snd_als100_cards[dev] = card;
> + pnp_set_card_drvdata(pcard, card);
> return 0;
> }
>
> -#ifdef __ISAPNP__
> -static int __init snd_als100_isapnp_detect(struct isapnp_card *card,
> - const struct isapnp_card_id *id)
> +static int __devinit snd_als100_pnp_detect(struct pnp_card *card,
> + const struct pnp_card_id *id)
> {
> static int dev;
> int res;
> @@ -350,9 +297,7 @@
> for ( ; dev < SNDRV_CARDS; dev++) {
> if (!enable[dev])
> continue;
> - snd_als100_isapnp_cards[dev] = card;
> - snd_als100_isapnp_id[dev] = id;
> - res = snd_card_als100_probe(dev);
> + res = snd_card_als100_probe(dev, card, id);
> if (res < 0)
> return res;
> dev++;
> @@ -360,17 +305,28 @@
> }
> return -ENODEV;
> }
> -#endif
> +
> +static void __devexit snd_als100_pnp_remove(struct pnp_card * pcard)
> +{
> + snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard);
> +
> + snd_card_disconnect(card);
> + snd_card_free_in_thread(card);
> +}
> +
> +static struct pnp_card_driver als100_pnpc_driver = {
> + .flags = PNP_DRIVER_RES_DISABLE,
> + .name = "als100",
> + .id_table = snd_als100_pnpids,
> + .probe = snd_als100_pnp_detect,
> + .remove = __devexit_p(snd_als100_pnp_remove),
> +};
>
> static int __init alsa_card_als100_init(void)
> {
> int cards = 0;
>
> -#ifdef __ISAPNP__
> - cards += isapnp_probe_cards(snd_als100_pnpids, snd_als100_isapnp_detect);
> -#else
> - printk(KERN_ERR PFX "you have to enable ISA PnP support.\n");
> -#endif
> + cards += pnp_register_card_driver(&als100_pnpc_driver);
> #ifdef MODULE
> if (!cards)
> printk(KERN_ERR "no ALS100 based soundcards found\n");
> @@ -380,10 +336,7 @@
>
> static void __exit alsa_card_als100_exit(void)
> {
> - int dev;
> -
> - for (dev = 0; dev < SNDRV_CARDS; dev++)
> - snd_card_free(snd_als100_cards[dev]);
> + pnp_unregister_card_driver(&als100_pnpc_driver);
> }
>
> module_init(alsa_card_als100_init)
> -
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