cregit-Linux how code gets into the kernel

Release 4.8 sound/isa/ad1848/ad1848.c

Directory: sound/isa/ad1848
/*
 *  Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha)
 *  Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>,
 *                   Jaroslav Kysela <perex@perex.cz>
 *  Based on card-4232.c by Jaroslav Kysela <perex@perex.cz>
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <linux/init.h>
#include <linux/err.h>
#include <linux/isa.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/wss.h>
#include <sound/initval.h>


#define CRD_NAME "Generic AD1848/AD1847/CS4248"

#define DEV_NAME "ad1848"


MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848},"
	        "{Analog Devices,AD1847},"
		"{Crystal Semiconductors,CS4248}}");


static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	
/* Index 0-MAX */

static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	
/* ID for this card */

static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	
/* Enable this card */

static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	
/* PnP setup */

static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	
/* 5,7,9,11,12,15 */

static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	
/* 0,1,3,5,6,7 */

static bool thinkpad[SNDRV_CARDS];			
/* Thinkpad special case */

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
module_param_array(thinkpad, bool, NULL, 0444);
MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");


static int snd_ad1848_match(struct device *dev, unsigned int n) { if (!enable[n]) return 0; if (port[n] == SNDRV_AUTO_PORT) { dev_err(dev, "please specify port\n"); return 0; } if (irq[n] == SNDRV_AUTO_IRQ) { dev_err(dev, "please specify irq\n"); return 0; } if (dma1[n] == SNDRV_AUTO_DMA) { dev_err(dev, "please specify dma1\n"); return 0; } return 1; }

Contributors

PersonTokensPropCommitsCommitProp
jaroslav kyselajaroslav kysela4953.26%240.00%
rene hermanrene herman3133.70%120.00%
takashi iwaitakashi iwai1213.04%240.00%
Total92100.00%5100.00%


static int snd_ad1848_probe(struct device *dev, unsigned int n) { struct snd_card *card; struct snd_wss *chip; int error; error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card); if (error < 0) return error; error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], -1, thinkpad[n] ? WSS_HW_THINKPAD : WSS_HW_DETECT, 0, &chip); if (error < 0) goto out; card->private_data = chip; error = snd_wss_pcm(chip, 0); if (error < 0) goto out; error = snd_wss_mixer(chip); if (error < 0) goto out; strcpy(card->driver, "AD1848"); strcpy(card->shortname, chip->pcm->name); sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", chip->pcm->name, chip->port, irq[n], dma1[n]); if (thinkpad[n]) strcat(card->longname, " [Thinkpad]"); error = snd_card_register(card); if (error < 0) goto out; dev_set_drvdata(dev, card); return 0; out: snd_card_free(card); return error; }

Contributors

PersonTokensPropCommitsCommitProp
jaroslav kyselajaroslav kysela13251.76%321.43%
rene hermanrene herman6324.71%17.14%
takashi iwaitakashi iwai4216.47%428.57%
krzysztof heltkrzysztof helt145.49%535.71%
lars-peter clausenlars-peter clausen41.57%17.14%
Total255100.00%14100.00%


static int snd_ad1848_remove(struct device *dev, unsigned int n) { snd_card_free(dev_get_drvdata(dev)); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
takashi iwaitakashi iwai1869.23%150.00%
rene hermanrene herman830.77%150.00%
Total26100.00%2100.00%

#ifdef CONFIG_PM
static int snd_ad1848_suspend(struct device *dev, unsigned int n, pm_message_t state) { struct snd_card *card = dev_get_drvdata(dev); struct snd_wss *chip = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); chip->suspend(chip); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
takashi iwaitakashi iwai4583.33%133.33%
rene hermanrene herman814.81%133.33%
krzysztof heltkrzysztof helt11.85%133.33%
Total54100.00%3100.00%


static int snd_ad1848_resume(struct device *dev, unsigned int n) { struct snd_card *card = dev_get_drvdata(dev); struct snd_wss *chip = card->private_data; chip->resume(chip); snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
takashi iwaitakashi iwai4282.35%133.33%
rene hermanrene herman815.69%133.33%
krzysztof heltkrzysztof helt11.96%133.33%
Total51100.00%3100.00%

#endif static struct isa_driver snd_ad1848_driver = { .match = snd_ad1848_match, .probe = snd_ad1848_probe, .remove = snd_ad1848_remove, #ifdef CONFIG_PM .suspend = snd_ad1848_suspend, .resume = snd_ad1848_resume, #endif .driver = { .name = DEV_NAME } }; module_isa_driver(snd_ad1848_driver, SNDRV_CARDS);

Overall Contributors

PersonTokensPropCommitsCommitProp
jaroslav kyselajaroslav kysela40150.00%730.43%
takashi iwaitakashi iwai21126.31%521.74%
rene hermanrene herman15819.70%14.35%
krzysztof heltkrzysztof helt172.12%521.74%
rusty russellrusty russell91.12%28.70%
lars-peter clausenlars-peter clausen40.50%14.35%
william breathitt graywilliam breathitt gray10.12%14.35%
paul gortmakerpaul gortmaker10.12%14.35%
Total802100.00%23100.00%
Directory: sound/isa/ad1848
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