Release 4.7 sound/sparc/cs4231.c

/*
 * Driver for CS4231 sound chips found on Sparcs.
 * Copyright (C) 2002, 2008 David S. Miller <davem@davemloft.net>
 *
 * Based entirely upon drivers/sbus/audio/cs4231.c which is:
 * Copyright (C) 1996, 1997, 1998 Derrick J Brashear (shadow@andrew.cmu.edu)
 * and also sound/isa/cs423x/cs4231_lib.c which is:
 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_device.h>

#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/info.h>
#include <sound/control.h>
#include <sound/timer.h>
#include <sound/initval.h>
#include <sound/pcm_params.h>

#ifdef CONFIG_SBUS

#define SBUS_SUPPORT
#endif

#if defined(CONFIG_PCI) && defined(CONFIG_SPARC64)

#define EBUS_SUPPORT
#include <linux/pci.h>
#include <asm/ebus_dma.h>
#endif


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

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

static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Sun CS4231 soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for Sun CS4231 soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable Sun CS4231 soundcard.");
MODULE_AUTHOR("Jaroslav Kysela, Derrick J. Brashear and David S. Miller");
MODULE_DESCRIPTION("Sun CS4231");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Sun,CS4231}}");

#ifdef SBUS_SUPPORT

struct sbus_dma_info {
       
spinlock_t	lock;	/* DMA access lock */
       
int		dir;
       
void __iomem	*regs;
};
#endif

struct snd_cs4231;

struct cs4231_dma_control {
	
void		(*prepare)(struct cs4231_dma_control *dma_cont,
				   int dir);
	
void		(*enable)(struct cs4231_dma_control *dma_cont, int on);
	
int		(*request)(struct cs4231_dma_control *dma_cont,
				   dma_addr_t bus_addr, size_t len);
	
unsigned int	(*address)(struct cs4231_dma_control *dma_cont);
#ifdef EBUS_SUPPORT
	
struct		ebus_dma_info	ebus_info;
#endif
#ifdef SBUS_SUPPORT
	
struct		sbus_dma_info	sbus_info;
#endif
};


struct snd_cs4231 {
	
spinlock_t		lock;	/* registers access lock */
	
void __iomem		*port;

	
struct cs4231_dma_control	p_dma;
	
struct cs4231_dma_control	c_dma;

	
u32			flags;

#define CS4231_FLAG_EBUS	0x00000001

#define CS4231_FLAG_PLAYBACK	0x00000002

#define CS4231_FLAG_CAPTURE	0x00000004

	
struct snd_card		*card;
	
struct snd_pcm		*pcm;
	
struct snd_pcm_substream	*playback_substream;
	
unsigned int		p_periods_sent;
	
struct snd_pcm_substream	*capture_substream;
	
unsigned int		c_periods_sent;
	
struct snd_timer	*timer;

	
unsigned short mode;

#define CS4231_MODE_NONE	0x0000

#define CS4231_MODE_PLAY	0x0001

#define CS4231_MODE_RECORD	0x0002

#define CS4231_MODE_TIMER	0x0004

#define CS4231_MODE_OPEN	(CS4231_MODE_PLAY | CS4231_MODE_RECORD | \
                                 CS4231_MODE_TIMER)

	
unsigned char		image[32];	/* registers image */
	
int			mce_bit;
	
int			calibrate_mute;
	
struct mutex		mce_mutex;	/* mutex for mce register */
	
struct mutex		open_mutex;	/* mutex for ALSA open/close */

	
struct platform_device	*op;
	
unsigned int		irq[2];
	
unsigned int		regs_size;
	
struct snd_cs4231	*next;
};

/* Eventually we can use sound/isa/cs423x/cs4231_lib.c directly, but for
 * now....  -DaveM
 */

/* IO ports */
#include <sound/cs4231-regs.h>

/* XXX offsets are different than PC ISA chips... */

#define CS4231U(chip, x)	((chip)->port + ((c_d_c_CS4231##x) << 2))

/* SBUS DMA register defines.  */


#define APCCSR	0x10UL	
/* APC DMA CSR */

#define APCCVA	0x20UL	
/* APC Capture DMA Address */

#define APCCC	0x24UL	
/* APC Capture Count */

#define APCCNVA	0x28UL	
/* APC Capture DMA Next Address */

#define APCCNC	0x2cUL	
/* APC Capture Next Count */

#define APCPVA	0x30UL	
/* APC Play DMA Address */

#define APCPC	0x34UL	
/* APC Play Count */

#define APCPNVA	0x38UL	
/* APC Play DMA Next Address */

#define APCPNC	0x3cUL	
/* APC Play Next Count */

/* Defines for SBUS DMA-routines */


#define APCVA  0x0UL	
/* APC DMA Address */

#define APCC   0x4UL	
/* APC Count */

#define APCNVA 0x8UL	
/* APC DMA Next Address */

#define APCNC  0xcUL	
/* APC Next Count */

#define APC_PLAY 0x30UL	
/* Play registers start at 0x30 */

#define APC_RECORD 0x20UL 
/* Record registers start at 0x20 */

/* APCCSR bits */


#define APC_INT_PENDING 0x800000 
/* Interrupt Pending */

#define APC_PLAY_INT    0x400000 
/* Playback interrupt */

#define APC_CAPT_INT    0x200000 
/* Capture interrupt */

#define APC_GENL_INT    0x100000 
/* General interrupt */

#define APC_XINT_ENA    0x80000  
/* General ext int. enable */

#define APC_XINT_PLAY   0x40000  
/* Playback ext intr */

#define APC_XINT_CAPT   0x20000  
/* Capture ext intr */

#define APC_XINT_GENL   0x10000  
/* Error ext intr */

#define APC_XINT_EMPT   0x8000   
/* Pipe empty interrupt (0 write to pva) */

#define APC_XINT_PEMP   0x4000   
/* Play pipe empty (pva and pnva not set) */

#define APC_XINT_PNVA   0x2000   
/* Playback NVA dirty */

#define APC_XINT_PENA   0x1000   
/* play pipe empty Int enable */

#define APC_XINT_COVF   0x800    
/* Cap data dropped on floor */

#define APC_XINT_CNVA   0x400    
/* Capture NVA dirty */

#define APC_XINT_CEMP   0x200    
/* Capture pipe empty (cva and cnva not set) */

#define APC_XINT_CENA   0x100    
/* Cap. pipe empty int enable */

#define APC_PPAUSE      0x80     
/* Pause the play DMA */

#define APC_CPAUSE      0x40     
/* Pause the capture DMA */

#define APC_CDC_RESET   0x20     
/* CODEC RESET */

#define APC_PDMA_READY  0x08     
/* Play DMA Go */

#define APC_CDMA_READY  0x04     
/* Capture DMA Go */

#define APC_CHIP_RESET  0x01     
/* Reset the chip */

/* EBUS DMA register offsets  */


#define EBDMA_CSR	0x00UL	
/* Control/Status */

#define EBDMA_ADDR	0x04UL	
/* DMA Address */

#define EBDMA_COUNT	0x08UL	
/* DMA Count */

/*
 *  Some variables
 */


static unsigned char freq_bits[14] = {
	/* 5510 */	0x00 | CS4231_XTAL2,
	/* 6620 */	0x0E | CS4231_XTAL2,
	/* 8000 */	0x00 | CS4231_XTAL1,
	/* 9600 */	0x0E | CS4231_XTAL1,
	/* 11025 */	0x02 | CS4231_XTAL2,
	/* 16000 */	0x02 | CS4231_XTAL1,
	/* 18900 */	0x04 | CS4231_XTAL2,
	/* 22050 */	0x06 | CS4231_XTAL2,
	/* 27042 */	0x04 | CS4231_XTAL1,
	/* 32000 */	0x06 | CS4231_XTAL1,
	/* 33075 */	0x0C | CS4231_XTAL2,
	/* 37800 */	0x08 | CS4231_XTAL2,
	/* 44100 */	0x0A | CS4231_XTAL2,
	/* 48000 */	0x0C | CS4231_XTAL1
};


static unsigned int rates[14] = {
	5510, 6620, 8000, 9600, 11025, 16000, 18900, 22050,
	27042, 32000, 33075, 37800, 44100, 48000
};


static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
	.count	= ARRAY_SIZE(rates),
	.list	= rates,
};



static int snd_cs4231_xrate(struct snd_pcm_runtime *runtime)
{
	return snd_pcm_hw_constraint_list(runtime, 0,
					  SNDRV_PCM_HW_PARAM_RATE,
					  &hw_constraints_rates);
}

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24
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2
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static unsigned char snd_cs4231_original_image[32] =
{
	0x00,			/* 00/00 - lic */
	0x00,			/* 01/01 - ric */
	0x9f,			/* 02/02 - la1ic */
	0x9f,			/* 03/03 - ra1ic */
	0x9f,			/* 04/04 - la2ic */
	0x9f,			/* 05/05 - ra2ic */
	0xbf,			/* 06/06 - loc */
	0xbf,			/* 07/07 - roc */
	0x20,			/* 08/08 - pdfr */
	CS4231_AUTOCALIB,	/* 09/09 - ic */
	0x00,			/* 0a/10 - pc */
	0x00,			/* 0b/11 - ti */
	CS4231_MODE2,		/* 0c/12 - mi */
	0x00,			/* 0d/13 - lbc */
	0x00,			/* 0e/14 - pbru */
	0x00,			/* 0f/15 - pbrl */
	0x80,			/* 10/16 - afei */
	0x01,			/* 11/17 - afeii */
	0x9f,			/* 12/18 - llic */
	0x9f,			/* 13/19 - rlic */
	0x00,			/* 14/20 - tlb */
	0x00,			/* 15/21 - thb */
	0x00,			/* 16/22 - la3mic/reserved */
	0x00,			/* 17/23 - ra3mic/reserved */
	0x00,			/* 18/24 - afs */
	0x00,			/* 19/25 - lamoc/version */
	0x00,			/* 1a/26 - mioc */
	0x00,			/* 1b/27 - ramoc/reserved */
	0x20,			/* 1c/28 - cdfr */
	0x00,			/* 1d/29 - res4 */
	0x00,			/* 1e/30 - cbru */
	0x00,			/* 1f/31 - cbrl */
};



static u8 __cs4231_readb(struct snd_cs4231 *cp, void __iomem *reg_addr)
{
	if (cp->flags & CS4231_FLAG_EBUS)
		return readb(reg_addr);
	else
		return sbus_readb(reg_addr);
}

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static void __cs4231_writeb(struct snd_cs4231 *cp, u8 val,
			    void __iomem *reg_addr)
{
	if (cp->flags & CS4231_FLAG_EBUS)
		return writeb(val, reg_addr);
	else
		return sbus_writeb(val, reg_addr);
}

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/*
 *  Basic I/O functions
 */



static void snd_cs4231_ready(struct snd_cs4231 *chip)
{
	int timeout;

	for (timeout = 250; timeout > 0; timeout--) {
		int val = __cs4231_readb(chip, CS4231U(chip, REGSEL));
		if ((val & CS4231_INIT) == 0)
			break;
		udelay(100);
	}
}

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20
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2
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takashi iwai
2
3.33%
1
20.00%
jaroslav kysela
jaroslav kysela
1
1.67%
1
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60
100.00%
5
100.00%



static void snd_cs4231_dout(struct snd_cs4231 *chip, unsigned char reg,
			    unsigned char value)
{
	snd_cs4231_ready(chip);
#ifdef CONFIG_SND_DEBUG
	if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
		snd_printdd("out: auto calibration time out - reg = 0x%x, "
			    "value = 0x%x\n",
			    reg, value);
#endif
	__cs4231_writeb(chip, chip->mce_bit | reg, CS4231U(chip, REGSEL));
	wmb();
	__cs4231_writeb(chip, value, CS4231U(chip, REG));
	mb();
}

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david s. miller
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christopher zimmermann
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30.11%
1
20.00%
krzysztof helt
krzysztof helt
9
9.68%
2
40.00%
takashi iwai
takashi iwai
2
2.15%
1
20.00%
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93
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5
100.00%



static inline void snd_cs4231_outm(struct snd_cs4231 *chip, unsigned char reg,
		     unsigned char mask, unsigned char value)
{
	unsigned char tmp = (chip->image[reg] & mask) | value;

	chip->image[reg] = tmp;
	if (!chip->calibrate_mute)
		snd_cs4231_dout(chip, reg, tmp);
}

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3
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static void snd_cs4231_out(struct snd_cs4231 *chip, unsigned char reg,
			   unsigned char value)
{
	snd_cs4231_dout(chip, reg, value);
	chip->image[reg] = value;
	mb();
}

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40
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2
100.00%



static unsigned char snd_cs4231_in(struct snd_cs4231 *chip, unsigned char reg)
{
	snd_cs4231_ready(chip);
#ifdef CONFIG_SND_DEBUG
	if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
		snd_printdd("in: auto calibration time out - reg = 0x%x\n",
			    reg);
#endif
	__cs4231_writeb(chip, chip->mce_bit | reg, CS4231U(chip, REGSEL));
	mb();
	return __cs4231_readb(chip, CS4231U(chip, REG));
}

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/*
 *  CS4231 detection / MCE routines
 */



static void snd_cs4231_busy_wait(struct snd_cs4231 *chip)
{
	int timeout;

	/* looks like this sequence is proper for CS4231A chip (GUS MAX) */
	for (timeout = 5; timeout > 0; timeout--)
		__cs4231_readb(chip, CS4231U(chip, REGSEL));

	/* end of cleanup sequence */
	for (timeout = 500; timeout > 0; timeout--) {
		int val = __cs4231_readb(chip, CS4231U(chip, REGSEL));
		if ((val & CS4231_INIT) == 0)
			break;
		msleep(1);
	}
}

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1
16.67%
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static void snd_cs4231_mce_up(struct snd_cs4231 *chip)
{
	unsigned long flags;
	int timeout;

	spin_lock_irqsave(&chip->lock, flags);
	snd_cs4231_ready(chip);
#ifdef CONFIG_SND_DEBUG
	if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
		snd_printdd("mce_up - auto calibration time out (0)\n");
#endif
	chip->mce_bit |= CS4231_MCE;
	timeout = __cs4231_readb(chip, CS4231U(chip, REGSEL));
	if (timeout == 0x80)
		snd_printdd("mce_up [%p]: serious init problem - "
			    "codec still busy\n",
			    chip->port);
	if (!(timeout & CS4231_MCE))
		__cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f),
				CS4231U(chip, REGSEL));
	spin_unlock_irqrestore(&chip->lock, flags);
}

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krzysztof helt
6
4.41%
3
42.86%
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takashi iwai
2
1.47%
1
14.29%
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136
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7
100.00%



static void snd_cs4231_mce_down(struct snd_cs4231 *chip)
{
	unsigned long flags, timeout;
	int reg;

	snd_cs4231_busy_wait(chip);
	spin_lock_irqsave(&chip->lock, flags);
#ifdef CONFIG_SND_DEBUG
	if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
		snd_printdd("mce_down [%p] - auto calibration time out (0)\n",
			    CS4231U(chip, REGSEL));
#endif
	chip->mce_bit &= ~CS4231_MCE;
	reg = __cs4231_readb(chip, CS4231U(chip, REGSEL));
	__cs4231_writeb(chip, chip->mce_bit | (reg & 0x1f),
			CS4231U(chip, REGSEL));
	if (reg == 0x80)
		snd_printdd("mce_down [%p]: serious init problem "
			    "- codec still busy\n", chip->port);
	if ((reg & CS4231_MCE) == 0) {
		spin_unlock_irqrestore(&chip->lock, flags);
		return;
	}

	/*
         * Wait for auto-calibration (AC) process to finish, i.e. ACI to go low.
         */
	timeout = jiffies + msecs_to_jiffies(250);
	do {
		spin_unlock_irqrestore(&chip->lock, flags);
		msleep(1);
		spin_lock_irqsave(&chip->lock, flags);
		reg = snd_cs4231_in(chip, CS4231_TEST_INIT);
		reg &= CS4231_CALIB_IN_PROGRESS;
	} while (reg && time_before(jiffies, timeout));
	spin_unlock_irqrestore(&chip->lock, flags);

	if (reg)
		snd_printk(KERN_ERR
			   "mce_down - auto calibration time out (2)\n");
}

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4
44.44%
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david s. miller
22
9.44%
1
11.11%
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takashi iwai
7
3.00%
2
22.22%
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233
100.00%
9
100.00%



static void snd_cs4231_advance_dma(struct cs4231_dma_control *dma_cont,
				   struct snd_pcm_substream *substream,
				   unsigned int *periods_sent)
{
	struct snd_pcm_runtime *runtime = substream->runtime;

	while (1) {
		unsigned int period_size = snd_pcm_lib_period_bytes(substream);
		unsigned int offset = period_size * (*periods_sent);

		if (WARN_ON(period_size >= (1 << 24)))
			return;

		if (dma_cont->request(dma_cont,
				      runtime->dma_addr + offset, period_size))
			return;
		(*periods_sent) = ((*periods_sent) + 1) % runtime->periods;
	}
}

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40.00%
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david s. miller
8
7.55%
1
20.00%
eric sesterhenn
eric sesterhenn
2
1.89%
1
20.00%
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106
100.00%
5
100.00%



static void cs4231_dma_trigger(struct snd_pcm_substream *substream,
			       unsigned int what, int on)
{
	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
	struct cs4231_dma_control *dma_cont;

	if (what & CS4231_PLAYBACK_ENABLE) {
		dma_cont = &chip->p_dma;
		if (on) {
			dma_cont->prepare(dma_cont, 0);
			dma_cont->enable(dma_cont, 1);
			snd_cs4231_advance_dma(dma_cont,
				chip->playback_substream,
				&chip->p_periods_sent);
		} else {
			dma_cont->enable(dma_cont, 0);
		}
	}
	if (what & CS4231_RECORD_ENABLE) {
		dma_cont = &chip->c_dma;
		if (on) {
			dma_cont->prepare(dma_cont, 1);
			dma_cont->enable(dma_cont, 1);
			snd_cs4231_advance_dma(dma_cont,
				chip->capture_substream,
				&chip->c_periods_sent);
		} else {
			dma_cont->enable(dma_cont, 0);
		}
	}
}

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33.33%
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6
3.68%
1
33.33%
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3
100.00%



static int snd_cs4231_trigger(struct snd_pcm_substream *substream, int cmd)
{
	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
	int result = 0;

	switch (cmd) {
	case SNDRV_PCM_TRIGGER_START:
	case SNDRV_PCM_TRIGGER_STOP:
	{
		unsigned int what = 0;
		struct snd_pcm_substream *s;
		unsigned long flags;

		snd_pcm_group_for_each_entry(s, substream) {
			if (s == chip->playback_substream) {
				what |= CS4231_PLAYBACK_ENABLE;
				snd_pcm_trigger_done(s, substream);
			} else if (s == chip->capture_substream) {
				what |= CS4231_RECORD_ENABLE;
				snd_pcm_trigger_done(s, substream);
			}
		}

		spin_lock_irqsave(&chip->lock, flags);
		if (cmd == SNDRV_PCM_TRIGGER_START) {
			cs4231_dma_trigger(substream, what, 1);
			chip->image[CS4231_IFACE_CTRL] |= what;
		} else {
			cs4231_dma_trigger(substream, what, 0);
			chip->image[CS4231_IFACE_CTRL] &= ~what;
		}
		snd_cs4231_out(chip, CS4231_IFACE_CTRL,
			       chip->image[CS4231_IFACE_CTRL]);
		spin_unlock_irqrestore(&chip->lock, flags);
		break;
	}
	default:
		result = -EINVAL;
		break;
	}

	return result;
}

Contributors
Person
Tokens
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Commits
CommitProp
georg chini
georg chini
133
65.84%
1
25.00%
david s. miller
david s. miller
61
30.20%
1
25.00%
takashi iwai
takashi iwai
8
3.96%
2
50.00%
Total
202
100.00%
4
100.00%

/*
 *  CODEC I/O
 */



static unsigned char snd_cs4231_get_rate(unsigned int rate)
{
	int i;

	for (i = 0; i < 14; i++)
		if (rate == rates[i])
			return freq_bits[i];

	return freq_bits[13];
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
36
75.00%
1
33.33%
david s. miller
david s. miller
12
25.00%
2
66.67%
Total
48
100.00%
3
100.00%



static unsigned char snd_cs4231_get_format(struct snd_cs4231 *chip, int format,
					   int channels)
{
	unsigned char rformat;

	rformat = CS4231_LINEAR_8;
	switch (format) {
	case SNDRV_PCM_FORMAT_MU_LAW:
		rformat = CS4231_ULAW_8;
		break;
	case SNDRV_PCM_FORMAT_A_LAW:
		rformat = CS4231_ALAW_8;
		break;
	case SNDRV_PCM_FORMAT_S16_LE:
		rformat = CS4231_LINEAR_16;
		break;
	case SNDRV_PCM_FORMAT_S16_BE:
		rformat = CS4231_LINEAR_16_BIG;
		break;
	case SNDRV_PCM_FORMAT_IMA_ADPCM:
		rformat = CS4231_ADPCM_16;
		break;
	}
	if (channels > 1)
		rformat |= CS4231_STEREO;
	return rformat;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
70
82.35%
2
40.00%
christopher zimmermann
christopher zimmermann
11
12.94%
1
20.00%
david s. miller
david s. miller
2
2.35%
1
20.00%
takashi iwai
takashi iwai
2
2.35%
1
20.00%
Total
85
100.00%
5
100.00%



static void snd_cs4231_calibrate_mute(struct snd_cs4231 *chip, int mute)
{
	unsigned long flags;

	mute = mute ? 1 : 0;
	spin_lock_irqsave(&chip->lock, flags);
	if (chip->calibrate_mute == mute) {
		spin_unlock_irqrestore(&chip->lock, flags);
		return;
	}
	if (!mute) {
		snd_cs4231_dout(chip, CS4231_LEFT_INPUT,
				chip->image[CS4231_LEFT_INPUT]);
		snd_cs4231_dout(chip, CS4231_RIGHT_INPUT,
				chip->image[CS4231_RIGHT_INPUT]);
		snd_cs4231_dout(chip, CS4231_LOOPBACK,
				chip->image[CS4231_LOOPBACK]);
	}
	snd_cs4231_dout(chip, CS4231_AUX1_LEFT_INPUT,
			mute ? 0x80 : chip->image[CS4231_AUX1_LEFT_INPUT]);
	snd_cs4231_dout(chip, CS4231_AUX1_RIGHT_INPUT,
			mute ? 0x80 : chip->image[CS4231_AUX1_RIGHT_INPUT]);
	snd_cs4231_dout(chip, CS4231_AUX2_LEFT_INPUT,
			mute ? 0x80 : chip->image[CS4231_AUX2_LEFT_INPUT]);
	snd_cs4231_dout(chip, CS4231_AUX2_RIGHT_INPUT,
			mute ? 0x80 : chip->image[CS4231_AUX2_RIGHT_INPUT]);
	snd_cs4231_dout(chip, CS4231_LEFT_OUTPUT,
			mute ? 0x80 : chip->image[CS4231_LEFT_OUTPUT]);
	snd_cs4231_dout(chip, CS4231_RIGHT_OUTPUT,
			mute ? 0x80 : chip->image[CS4231_RIGHT_OUTPUT]);
	snd_cs4231_dout(chip, CS4231_LEFT_LINE_IN,
			mute ? 0x80 : chip->image[CS4231_LEFT_LINE_IN]);
	snd_cs4231_dout(chip, CS4231_RIGHT_LINE_IN,
			mute ? 0x80 : chip->image[CS4231_RIGHT_LINE_IN]);
	snd_cs4231_dout(chip, CS4231_MONO_CTRL,
			mute ? 0xc0 : chip->image[CS4231_MONO_CTRL]);
	chip->calibrate_mute = mute;
	spin_unlock_irqrestore(&chip->lock, flags);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
186
65.49%
2
33.33%
christopher zimmermann
christopher zimmermann
52
18.31%
1
16.67%
david s. miller
david s. miller
44
15.49%
2
33.33%
takashi iwai
takashi iwai
2
0.70%
1
16.67%
Total
284
100.00%
6
100.00%



static void snd_cs4231_playback_format(struct snd_cs4231 *chip,
				       struct snd_pcm_hw_params *params,
				       unsigned char pdfr)
{
	unsigned long flags;

	mutex_lock(&chip->mce_mutex);
	snd_cs4231_calibrate_mute(chip, 1);

	snd_cs4231_mce_up(chip);

	spin_lock_irqsave(&chip->lock, flags);
	snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT,
		       (chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) ?
		       (pdfr & 0xf0) | (chip->image[CS4231_REC_FORMAT] & 0x0f) :
		       pdfr);
	spin_unlock_irqrestore(&chip->lock, flags);

	snd_cs4231_mce_down(chip);

	snd_cs4231_calibrate_mute(chip, 0);
	mutex_unlock(&chip->mce_mutex);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
76
62.81%
1
16.67%
david s. miller
david s. miller
39
32.23%
3
50.00%
takashi iwai
takashi iwai
4
3.31%
1
16.67%
ingo molnar
ingo molnar
2
1.65%
1
16.67%
Total
121
100.00%
6
100.00%



static void snd_cs4231_capture_format(struct snd_cs4231 *chip,
				      struct snd_pcm_hw_params *params,
				      unsigned char cdfr)
{
	unsigned long flags;

	mutex_lock(&chip->mce_mutex);
	snd_cs4231_calibrate_mute(chip, 1);

	snd_cs4231_mce_up(chip);

	spin_lock_irqsave(&chip->lock, flags);
	if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) {
		snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT,
			       ((chip->image[CS4231_PLAYBK_FORMAT]) & 0xf0) |
			       (cdfr & 0x0f));
		spin_unlock_irqrestore(&chip->lock, flags);
		snd_cs4231_mce_down(chip);
		snd_cs4231_mce_up(chip);
		spin_lock_irqsave(&chip->lock, flags);
	}
	snd_cs4231_out(chip, CS4231_REC_FORMAT, cdfr);
	spin_unlock_irqrestore(&chip->lock, flags);

	snd_cs4231_mce_down(chip);

	snd_cs4231_calibrate_mute(chip, 0);
	mutex_unlock(&chip->mce_mutex);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
122
73.94%
1
20.00%
david s. miller
david s. miller
37
22.42%
2
40.00%
takashi iwai
takashi iwai
4
2.42%
1
20.00%
ingo molnar
ingo molnar
2
1.21%
1
20.00%
Total
165
100.00%
5
100.00%

/*
 *  Timer interface
 */



static unsigned long snd_cs4231_timer_resolution(struct snd_timer *timer)
{
	struct snd_cs4231 *chip = snd_timer_chip(timer);

	return chip->image[CS4231_PLAYBK_FORMAT] & 1 ? 9969 : 9920;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
21
58.33%
1
33.33%
david s. miller
david s. miller
11
30.56%
1
33.33%
takashi iwai
takashi iwai
4
11.11%
1
33.33%
Total
36
100.00%
3
100.00%



static int snd_cs4231_timer_start(struct snd_timer *timer)
{
	unsigned long flags;
	unsigned int ticks;
	struct snd_cs4231 *chip = snd_timer_chip(timer);

	spin_lock_irqsave(&chip->lock, flags);
	ticks = timer->sticks;
	if ((chip->image[CS4231_ALT_FEATURE_1] & CS4231_TIMER_ENABLE) == 0 ||
	    (unsigned char)(ticks >> 8) != chip->image[CS4231_TIMER_HIGH] ||
	    (unsigned char)ticks != chip->image[CS4231_TIMER_LOW]) {
		snd_cs4231_out(chip, CS4231_TIMER_HIGH,
			       chip->image[CS4231_TIMER_HIGH] =
			       (unsigned char) (ticks >> 8));
		snd_cs4231_out(chip, CS4231_TIMER_LOW,
			       chip->image[CS4231_TIMER_LOW] =
			       (unsigned char) ticks);
		snd_cs4231_out(chip, CS4231_ALT_FEATURE_1,
			       chip->image[CS4231_ALT_FEATURE_1] |
					CS4231_TIMER_ENABLE);
	}
	spin_unlock_irqrestore(&chip->lock, flags);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
81
49.09%
1
33.33%
david s. miller
david s. miller
80
48.48%
1
33.33%
takashi iwai
takashi iwai
4
2.42%
1
33.33%
Total
165
100.00%
3
100.00%



static int snd_cs4231_timer_stop(struct snd_timer *timer)
{
	unsigned long flags;
	struct snd_cs4231 *chip = snd_timer_chip(timer);

	spin_lock_irqsave(&chip->lock, flags);
	chip->image[CS4231_ALT_FEATURE_1] &= ~CS4231_TIMER_ENABLE;
	snd_cs4231_out(chip, CS4231_ALT_FEATURE_1,
		       chip->image[CS4231_ALT_FEATURE_1]);
	spin_unlock_irqrestore(&chip->lock, flags);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
david s. miller
david s. miller
29
40.28%
1
25.00%
georg chini
georg chini
29
40.28%
1
25.00%
krzysztof helt
krzysztof helt
10
13.89%
1
25.00%
takashi iwai
takashi iwai
4
5.56%
1
25.00%
Total
72
100.00%
4
100.00%



static void snd_cs4231_init(struct snd_cs4231 *chip)
{
	unsigned long flags;

	snd_cs4231_mce_down(chip);

#ifdef SNDRV_DEBUG_MCE
	snd_printdd("init: (1)\n");
#endif
	snd_cs4231_mce_up(chip);
	spin_lock_irqsave(&chip->lock, flags);
	chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE |
					    CS4231_PLAYBACK_PIO |
					    CS4231_RECORD_ENABLE |
					    CS4231_RECORD_PIO |
					    CS4231_CALIB_MODE);
	chip->image[CS4231_IFACE_CTRL] |= CS4231_AUTOCALIB;
	snd_cs4231_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]);
	spin_unlock_irqrestore(&chip->lock, flags);
	snd_cs4231_mce_down(chip);

#ifdef SNDRV_DEBUG_MCE
	snd_printdd("init: (2)\n");
#endif

	snd_cs4231_mce_up(chip);
	spin_lock_irqsave(&chip->lock, flags);
	snd_cs4231_out(chip, CS4231_ALT_FEATURE_1,
			chip->image[CS4231_ALT_FEATURE_1]);
	spin_unlock_irqrestore(&chip->lock, flags);
	snd_cs4231_mce_down(chip);

#ifdef SNDRV_DEBUG_MCE
	snd_printdd("init: (3) - afei = 0x%x\n",
		    chip->image[CS4231_ALT_FEATURE_1]);
#endif

	spin_lock_irqsave(&chip->lock, flags);
	snd_cs4231_out(chip, CS4231_ALT_FEATURE_2,
			chip->image[CS4231_ALT_FEATURE_2]);
	spin_unlock_irqrestore(&chip->lock, flags);

	snd_cs4231_mce_up(chip);
	spin_lock_irqsave(&chip->lock, flags);
	snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT,
			chip->image[CS4231_PLAYBK_FORMAT]);
	spin_unlock_irqrestore(&chip->lock, flags);
	snd_cs4231_mce_down(chip);

#ifdef SNDRV_DEBUG_MCE
	snd_printdd("init: (4)\n");
#endif

	snd_cs4231_mce_up(chip);
	spin_lock_irqsave(&chip->lock, flags);
	snd_cs4231_out(chip, CS4231_REC_FORMAT, chip->image[CS4231_REC_FORMAT]);
	spin_unlock_irqrestore(&chip->lock, flags);
	snd_cs4231_mce_down(chip);

#ifdef SNDRV_DEBUG_MCE
	snd_printdd("init: (5)\n");
#endif
}

Contributors
Person
Tokens
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Commits
CommitProp
david s. miller
david s. miller
175
55.38%
1
33.33%
georg chini
georg chini
139
43.99%
1
33.33%
takashi iwai
takashi iwai
2
0.63%
1
33.33%
Total
316
100.00%
3
100.00%



static int snd_cs4231_open(struct snd_cs4231 *chip, unsigned int mode)
{
	unsigned long flags;

	mutex_lock(&chip->open_mutex);
	if ((chip->mode & mode)) {
		mutex_unlock(&chip->open_mutex);
		return -EAGAIN;
	}
	if (chip->mode & CS4231_MODE_OPEN) {
		chip->mode |= mode;
		mutex_unlock(&chip->open_mutex);
		return 0;
	}
	/* ok. now enable and ack CODEC IRQ */
	spin_lock_irqsave(&chip->lock, flags);
	snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ |
		       CS4231_RECORD_IRQ |
		       CS4231_TIMER_IRQ);
	snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
	__cs4231_writeb(chip, 0, CS4231U(chip, STATUS));	/* clear IRQ */
	__cs4231_writeb(chip, 0, CS4231U(chip, STATUS));	/* clear IRQ */

	snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ |
		       CS4231_RECORD_IRQ |
		       CS4231_TIMER_IRQ);
	snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);

	spin_unlock_irqrestore(&chip->lock, flags);

	chip->mode = mode;
	mutex_unlock(&chip->open_mutex);
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
118
62.11%
1
20.00%
david s. miller
david s. miller
64
33.68%
1
20.00%
ingo molnar
ingo molnar
4
2.11%
1
20.00%
takashi iwai
takashi iwai
2
1.05%
1
20.00%
krzysztof helt
krzysztof helt
2
1.05%
1
20.00%
Total
190
100.00%
5
100.00%



static void snd_cs4231_close(struct snd_cs4231 *chip, unsigned int mode)
{
	unsigned long flags;

	mutex_lock(&chip->open_mutex);
	chip->mode &= ~mode;
	if (chip->mode & CS4231_MODE_OPEN) {
		mutex_unlock(&chip->open_mutex);
		return;
	}
	snd_cs4231_calibrate_mute(chip, 1);

	/* disable IRQ */
	spin_lock_irqsave(&chip->lock, flags);
	snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
	__cs4231_writeb(chip, 0, CS4231U(chip, STATUS));	/* clear IRQ */
	__cs4231_writeb(chip, 0, CS4231U(chip, STATUS));	/* clear IRQ */

	/* now disable record & playback */

	if (chip->image[CS4231_IFACE_CTRL] &
	    (CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO |
	     CS4231_RECORD_ENABLE | CS4231_RECORD_PIO)) {
		spin_unlock_irqrestore(&chip->lock, flags);
		snd_cs4231_mce_up(chip);
		spin_lock_irqsave(&chip->lock, flags);
		chip->image[CS4231_IFACE_CTRL] &=
			~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO |
			  CS4231_RECORD_ENABLE | CS4231_RECORD_PIO);
		snd_cs4231_out(chip, CS4231_IFACE_CTRL,
				chip->image[CS4231_IFACE_CTRL]);
		spin_unlock_irqrestore(&chip->lock, flags);
		snd_cs4231_mce_down(chip);
		spin_lock_irqsave(&chip->lock, flags);
	}

	/* clear IRQ again */
	snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
	__cs4231_writeb(chip, 0, CS4231U(chip, STATUS));	/* clear IRQ */
	__cs4231_writeb(chip, 0, CS4231U(chip, STATUS));	/* clear IRQ */
	spin_unlock_irqrestore(&chip->lock, flags);

	snd_cs4231_calibrate_mute(chip, 0);

	chip->mode = 0;
	mutex_unlock(&chip->open_mutex);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
david s. miller
david s. miller
158
55.44%
1
20.00%
georg chini
georg chini
118
41.40%
1
20.00%
krzysztof helt
krzysztof helt
4
1.40%
1
20.00%
ingo molnar
ingo molnar
3
1.05%
1
20.00%
takashi iwai
takashi iwai
2
0.70%
1
20.00%
Total
285
100.00%
5
100.00%

/*
 *  timer open/close
 */



static int snd_cs4231_timer_open(struct snd_timer *timer)
{
	struct snd_cs4231 *chip = snd_timer_chip(timer);
	snd_cs4231_open(chip, CS4231_MODE_TIMER);
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
19
61.29%
1
33.33%
david s. miller
david s. miller
8
25.81%
1
33.33%
takashi iwai
takashi iwai
4
12.90%
1
33.33%
Total
31
100.00%
3
100.00%



static int snd_cs4231_timer_close(struct snd_timer *timer)
{
	struct snd_cs4231 *chip = snd_timer_chip(timer);
	snd_cs4231_close(chip, CS4231_MODE_TIMER);
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
19
61.29%
1
33.33%
david s. miller
david s. miller
8
25.81%
1
33.33%
takashi iwai
takashi iwai
4
12.90%
1
33.33%
Total
31
100.00%
3
100.00%


static struct snd_timer_hardware snd_cs4231_timer_table = {
	.flags		=	SNDRV_TIMER_HW_AUTO,
	.resolution	=	9945,
	.ticks		=	65535,
	.open		=	snd_cs4231_timer_open,
	.close		=	snd_cs4231_timer_close,
	.c_resolution	=	snd_cs4231_timer_resolution,
	.start		=	snd_cs4231_timer_start,
	.stop		=	snd_cs4231_timer_stop,
};

/*
 *  ok.. exported functions..
 */



static int snd_cs4231_playback_hw_params(struct snd_pcm_substream *substream,
					 struct snd_pcm_hw_params *hw_params)
{
	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
	unsigned char new_pdfr;
	int err;

	err = snd_pcm_lib_malloc_pages(substream,
					params_buffer_bytes(hw_params));
	if (err < 0)
		return err;
	new_pdfr = snd_cs4231_get_format(chip, params_format(hw_params),
					 params_channels(hw_params)) |
		snd_cs4231_get_rate(params_rate(hw_params));
	snd_cs4231_playback_format(chip, hw_params, new_pdfr);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
64
70.33%
1
25.00%
david s. miller
david s. miller
17
18.68%
1
25.00%
takashi iwai
takashi iwai
6
6.59%
1
25.00%
krzysztof helt
krzysztof helt
4
4.40%
1
25.00%
Total
91
100.00%
4
100.00%



static int snd_cs4231_playback_prepare(struct snd_pcm_substream *substream)
{
	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
	struct snd_pcm_runtime *runtime = substream->runtime;
	unsigned long flags;
	int ret = 0;

	spin_lock_irqsave(&chip->lock, flags);

	chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE |
					    CS4231_PLAYBACK_PIO);

	if (WARN_ON(runtime->period_size > 0xffff + 1)) {
		ret = -EINVAL;
		goto out;
	}

	chip->p_periods_sent = 0;

out:
	spin_unlock_irqrestore(&chip->lock, flags);

	return ret;
}

Contributors
Person
Tokens
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Commits
CommitProp
georg chini
georg chini
59
55.14%
1
16.67%
david s. miller
david s. miller
18
16.82%
1
16.67%
wei yongjun
wei yongjun
16
14.95%
1
16.67%
takashi iwai
takashi iwai
12
11.21%
2
33.33%
eric sesterhenn
eric sesterhenn
2
1.87%
1
16.67%
Total
107
100.00%
6
100.00%



static int snd_cs4231_capture_hw_params(struct snd_pcm_substream *substream,
					struct snd_pcm_hw_params *hw_params)
{
	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
	unsigned char new_cdfr;
	int err;

	err = snd_pcm_lib_malloc_pages(substream,
					params_buffer_bytes(hw_params));
	if (err < 0)
		return err;
	new_cdfr = snd_cs4231_get_format(chip, params_format(hw_params),
					 params_channels(hw_params)) |
		snd_cs4231_get_rate(params_rate(hw_params));
	snd_cs4231_capture_format(chip, hw_params, new_cdfr);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
57
62.64%
1
25.00%
david s. miller
david s. miller
24
26.37%
1
25.00%
takashi iwai
takashi iwai
6
6.59%
1
25.00%
krzysztof helt
krzysztof helt
4
4.40%
1
25.00%
Total
91
100.00%
4
100.00%



static int snd_cs4231_capture_prepare(struct snd_pcm_substream *substream)
{
	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
	unsigned long flags;

	spin_lock_irqsave(&chip->lock, flags);
	chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_RECORD_ENABLE |
					    CS4231_RECORD_PIO);


	chip->c_periods_sent = 0;
	spin_unlock_irqrestore(&chip->lock, flags);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
40
58.82%
1
33.33%
david s. miller
david s. miller
24
35.29%
1
33.33%
takashi iwai
takashi iwai
4
5.88%
1
33.33%
Total
68
100.00%
3
100.00%



static void snd_cs4231_overrange(struct snd_cs4231 *chip)
{
	unsigned long flags;
	unsigned char res;

	spin_lock_irqsave(&chip->lock, flags);
	res = snd_cs4231_in(chip, CS4231_TEST_INIT);
	spin_unlock_irqrestore(&chip->lock, flags);

	/* detect overrange only above 0dB; may be user selectable? */
	if (res & (0x08 | 0x02))
		chip->capture_substream->runtime->overrange++;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
42
61.76%
1
25.00%
david s. miller
david s. miller
23
33.82%
1
25.00%
takashi iwai
takashi iwai
2
2.94%
1
25.00%
krzysztof helt
krzysztof helt
1
1.47%
1
25.00%
Total
68
100.00%
4
100.00%



static void snd_cs4231_play_callback(struct snd_cs4231 *chip)
{
	if (chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE) {
		snd_pcm_period_elapsed(chip->playback_substream);
		snd_cs4231_advance_dma(&chip->p_dma, chip->playback_substream,
					    &chip->p_periods_sent);
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
david s. miller
david s. miller
24
50.00%
1
33.33%
georg chini
georg chini
21
43.75%
1
33.33%
takashi iwai
takashi iwai
3
6.25%
1
33.33%
Total
48
100.00%
3
100.00%



static void snd_cs4231_capture_callback(struct snd_cs4231 *chip)
{
	if (chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) {
		snd_pcm_period_elapsed(chip->capture_substream);
		snd_cs4231_advance_dma(&chip->c_dma, chip->capture_substream,
					    &chip->c_periods_sent);
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
david s. miller
david s. miller
25
52.08%
1
33.33%
georg chini
georg chini
20
41.67%
1
33.33%
takashi iwai
takashi iwai
3
6.25%
1
33.33%
Total
48
100.00%
3
100.00%



static snd_pcm_uframes_t snd_cs4231_playback_pointer(
					struct snd_pcm_substream *substream)
{
	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
	struct cs4231_dma_control *dma_cont = &chip->p_dma;
	size_t ptr;

	if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE))
		return 0;
	ptr = dma_cont->address(dma_cont);
	if (ptr != 0)
		ptr -= substream->runtime->dma_addr;

	return bytes_to_frames(substream->runtime, ptr);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
56
66.67%
1
33.33%
david s. miller
david s. miller
22
26.19%
1
33.33%
takashi iwai
takashi iwai
6
7.14%
1
33.33%
Total
84
100.00%
3
100.00%



static snd_pcm_uframes_t snd_cs4231_capture_pointer(
					struct snd_pcm_substream *substream)
{
	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
	struct cs4231_dma_control *dma_cont = &chip->c_dma;
	size_t ptr;

	if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE))
		return 0;
	ptr = dma_cont->address(dma_cont);
	if (ptr != 0)
		ptr -= substream->runtime->dma_addr;

	return bytes_to_frames(substream->runtime, ptr);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
44
52.38%
1
33.33%
david s. miller
david s. miller
34
40.48%
1
33.33%
takashi iwai
takashi iwai
6
7.14%
1
33.33%
Total
84
100.00%
3
100.00%



static int snd_cs4231_probe(struct snd_cs4231 *chip)
{
	unsigned long flags;
	int i;
	int id = 0;
	int vers = 0;
	unsigned char *ptr;

	for (i = 0; i < 50; i++) {
		mb();
		if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
			msleep(2);
		else {
			spin_lock_irqsave(&chip->lock, flags);
			snd_cs4231_out(chip, CS4231_MISC_INFO, CS4231_MODE2);
			id = snd_cs4231_in(chip, CS4231_MISC_INFO) & 0x0f;
			vers = snd_cs4231_in(chip, CS4231_VERSION);
			spin_unlock_irqrestore(&chip->lock, flags);
			if (id == 0x0a)
				break;	/* this is valid value */
		}
	}
	snd_printdd("cs4231: port = %p, id = 0x%x\n", chip->port, id);
	if (id != 0x0a)
		return -ENODEV;	/* no valid device found */

	spin_lock_irqsave(&chip->lock, flags);

	/* clear any pendings IRQ */
	__cs4231_readb(chip, CS4231U(chip, STATUS));
	__cs4231_writeb(chip, 0, CS4231U(chip, STATUS));
	mb();

	spin_unlock_irqrestore(&chip->lock, flags);

	chip->image[CS4231_MISC_INFO] = CS4231_MODE2;
	chip->image[CS4231_IFACE_CTRL] =
		chip->image[CS4231_IFACE_CTRL] & ~CS4231_SINGLE_DMA;
	chip->image[CS4231_ALT_FEATURE_1] = 0x80;
	chip->image[CS4231_ALT_FEATURE_2] = 0x01;
	if (vers & 0x20)
		chip->image[CS4231_ALT_FEATURE_2] |= 0x02;

	ptr = (unsigned char *) &chip->image;

	snd_cs4231_mce_down(chip);

	spin_lock_irqsave(&chip->lock, flags);

	for (i = 0; i < 32; i++)	/* ok.. fill all CS4231 registers */
		snd_cs4231_out(chip, i, *ptr++);

	spin_unlock_irqrestore(&chip->lock, flags);

	snd_cs4231_mce_up(chip);

	snd_cs4231_mce_down(chip);

	mdelay(2);

	return 0;		/* all things are ok.. */
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
215
62.50%
2
28.57%
david s. miller
david s. miller
92
26.74%
1
14.29%
christopher zimmermann
christopher zimmermann
21
6.10%
1
14.29%
krzysztof helt
krzysztof helt
14
4.07%
2
28.57%
takashi iwai
takashi iwai
2
0.58%
1
14.29%
Total
344
100.00%
7
100.00%


static struct snd_pcm_hardware snd_cs4231_playback = {
	.info			= SNDRV_PCM_INFO_MMAP |
				  SNDRV_PCM_INFO_INTERLEAVED |
				  SNDRV_PCM_INFO_MMAP_VALID |
				  SNDRV_PCM_INFO_SYNC_START,
	.formats		= SNDRV_PCM_FMTBIT_MU_LAW |
				  SNDRV_PCM_FMTBIT_A_LAW |
				  SNDRV_PCM_FMTBIT_IMA_ADPCM |
				  SNDRV_PCM_FMTBIT_U8 |
				  SNDRV_PCM_FMTBIT_S16_LE |
				  SNDRV_PCM_FMTBIT_S16_BE,
	.rates			= SNDRV_PCM_RATE_KNOT |
				  SNDRV_PCM_RATE_8000_48000,
	.rate_min		= 5510,
	.rate_max		= 48000,
	.channels_min		= 1,
	.channels_max		= 2,
	.buffer_bytes_max	= 32 * 1024,
	.period_bytes_min	= 64,
	.period_bytes_max	= 32 * 1024,
	.periods_min		= 1,
	.periods_max		= 1024,
};


static struct snd_pcm_hardware snd_cs4231_capture = {
	.info			= SNDRV_PCM_INFO_MMAP |
				  SNDRV_PCM_INFO_INTERLEAVED |
				  SNDRV_PCM_INFO_MMAP_VALID |
				  SNDRV_PCM_INFO_SYNC_START,
	.formats		= SNDRV_PCM_FMTBIT_MU_LAW |
				  SNDRV_PCM_FMTBIT_A_LAW |
				  SNDRV_PCM_FMTBIT_IMA_ADPCM |
				  SNDRV_PCM_FMTBIT_U8 |
				  SNDRV_PCM_FMTBIT_S16_LE |
				  SNDRV_PCM_FMTBIT_S16_BE,
	.rates			= SNDRV_PCM_RATE_KNOT |
				  SNDRV_PCM_RATE_8000_48000,
	.rate_min		= 5510,
	.rate_max		= 48000,
	.channels_min		= 1,
	.channels_max		= 2,
	.buffer_bytes_max	= 32 * 1024,
	.period_bytes_min	= 64,
	.period_bytes_max	= 32 * 1024,
	.periods_min		= 1,
	.periods_max		= 1024,
};



static int snd_cs4231_playback_open(struct snd_pcm_substream *substream)
{
	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
	struct snd_pcm_runtime *runtime = substream->runtime;
	int err;

	runtime->hw = snd_cs4231_playback;

	err = snd_cs4231_open(chip, CS4231_MODE_PLAY);
	if (err < 0) {
		snd_free_pages(runtime->dma_area, runtime->dma_bytes);
		return err;
	}
	chip->playback_substream = substream;
	chip->p_periods_sent = 0;
	snd_pcm_set_sync(substream);
	snd_cs4231_xrate(runtime);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
71
74.74%
2
28.57%
david s. miller
david s. miller
8
8.42%
2
28.57%
christopher zimmermann
christopher zimmermann
6
6.32%
1
14.29%
takashi iwai
takashi iwai
6
6.32%
1
14.29%
krzysztof helt
krzysztof helt
4
4.21%
1
14.29%
Total
95
100.00%
7
100.00%



static int snd_cs4231_capture_open(struct snd_pcm_substream *substream)
{
	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
	struct snd_pcm_runtime *runtime = substream->runtime;
	int err;

	runtime->hw = snd_cs4231_capture;

	err = snd_cs4231_open(chip, CS4231_MODE_RECORD);
	if (err < 0) {
		snd_free_pages(runtime->dma_area, runtime->dma_bytes);
		return err;
	}
	chip->capture_substream = substream;
	chip->c_periods_sent = 0;
	snd_pcm_set_sync(substream);
	snd_cs4231_xrate(runtime);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
62
65.26%
1
20.00%
david s. miller
david s. miller
23
24.21%
2
40.00%
takashi iwai
takashi iwai
6
6.32%
1
20.00%
krzysztof helt
krzysztof helt
4
4.21%
1
20.00%
Total
95
100.00%
5
100.00%



static int snd_cs4231_playback_close(struct snd_pcm_substream *substream)
{
	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);

	snd_cs4231_close(chip, CS4231_MODE_PLAY);
	chip->playback_substream = NULL;

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
david s. miller
david s. miller
17
45.95%
2
50.00%
georg chini
georg chini
16
43.24%
1
25.00%
takashi iwai
takashi iwai
4
10.81%
1
25.00%
Total
37
100.00%
4
100.00%



static int snd_cs4231_capture_close(struct snd_pcm_substream *substream)
{
	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);

	snd_cs4231_close(chip, CS4231_MODE_RECORD);
	chip->capture_substream = NULL;

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
david s. miller
david s. miller
21
56.76%
2
40.00%
georg chini
georg chini
12
32.43%
2
40.00%
takashi iwai
takashi iwai
4
10.81%
1
20.00%
Total
37
100.00%
5
100.00%

/* XXX We can do some power-management, in particular on EBUS using
 * XXX the audio AUXIO register...
 */


static struct snd_pcm_ops snd_cs4231_playback_ops = {
	.open		=	snd_cs4231_playback_open,
	.close		=	snd_cs4231_playback_close,
	.ioctl		=	snd_pcm_lib_ioctl,
	.hw_params	=	snd_cs4231_playback_hw_params,
	.hw_free	=	snd_pcm_lib_free_pages,
	.prepare	=	snd_cs4231_playback_prepare,
	.trigger	=	snd_cs4231_trigger,
	.pointer	=	snd_cs4231_playback_pointer,
};


static struct snd_pcm_ops snd_cs4231_capture_ops = {
	.open		=	snd_cs4231_capture_open,
	.close		=	snd_cs4231_capture_close,
	.ioctl		=	snd_pcm_lib_ioctl,
	.hw_params	=	snd_cs4231_capture_hw_params,
	.hw_free	=	snd_pcm_lib_free_pages,
	.prepare	=	snd_cs4231_capture_prepare,
	.trigger	=	snd_cs4231_trigger,
	.pointer	=	snd_cs4231_capture_pointer,
};



static int snd_cs4231_pcm(struct snd_card *card)
{
	struct snd_cs4231 *chip = card->private_data;
	struct snd_pcm *pcm;
	int err;

	err = snd_pcm_new(card, "CS4231", 0, 1, 1, &pcm);
	if (err < 0)
		return err;

	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
			&snd_cs4231_playback_ops);
	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
			&snd_cs4231_capture_ops);

	/* global setup */
	pcm->private_data = chip;
	pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
	strcpy(pcm->name, "CS4231");

	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
					      &chip->op->dev,
					      64 * 1024, 128 * 1024);

	chip->pcm = pcm;

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
68
53.12%
2
28.57%
david s. miller
david s. miller
41
32.03%
3
42.86%
krzysztof helt
krzysztof helt
15
11.72%
1
14.29%
takashi iwai
takashi iwai
4
3.12%
1
14.29%
Total
128
100.00%
7
100.00%



static int snd_cs4231_timer(struct snd_card *card)
{
	struct snd_cs4231 *chip = card->private_data;
	struct snd_timer *timer;
	struct snd_timer_id tid;
	int err;

	/* Timer initialization */
	tid.dev_class = SNDRV_TIMER_CLASS_CARD;
	tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
	tid.card = card->number;
	tid.device = 0;
	tid.subdevice = 0;
	err = snd_timer_new(card, "CS4231", &tid, &timer);
	if (err < 0)
		return err;
	strcpy(timer->name, "CS4231");
	timer->private_data = chip;
	timer->hw = snd_cs4231_timer_table;
	chip->timer = timer;

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
64
53.78%
1
16.67%
david s. miller
david s. miller
33
27.73%
3
50.00%
krzysztof helt
krzysztof helt
15
12.61%
1
16.67%
takashi iwai
takashi iwai
7
5.88%
1
16.67%
Total
119
100.00%
6
100.00%

/*
 *  MIXER part
 */



static int snd_cs4231_info_mux(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_info *uinfo)
{
	static const char * const texts[4] = {
		"Line", "CD", "Mic", "Mix"
	};

	return snd_ctl_enum_info(uinfo, 2, 4, texts);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
35
72.92%
1
25.00%
takashi iwai
takashi iwai
11
22.92%
2
50.00%
david s. miller
david s. miller
2
4.17%
1
25.00%
Total
48
100.00%
4
100.00%



static int snd_cs4231_get_mux(struct snd_kcontrol *kcontrol,
			      struct snd_ctl_elem_value *ucontrol)
{
	struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;

	spin_lock_irqsave(&chip->lock, flags);
	ucontrol->value.enumerated.item[0] =
		(chip->image[CS4231_LEFT_INPUT] & CS4231_MIXS_ALL) >> 6;
	ucontrol->value.enumerated.item[1] =
		(chip->image[CS4231_RIGHT_INPUT] & CS4231_MIXS_ALL) >> 6;
	spin_unlock_irqrestore(&chip->lock, flags);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
70
69.31%
1
33.33%
david s. miller
david s. miller
25
24.75%
1
33.33%
takashi iwai
takashi iwai
6
5.94%
1
33.33%
Total
101
100.00%
3
100.00%



static int snd_cs4231_put_mux(struct snd_kcontrol *kcontrol,
			      struct snd_ctl_elem_value *ucontrol)
{
	struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	unsigned short left, right;
	int change;

	if (ucontrol->value.enumerated.item[0] > 3 ||
	    ucontrol->value.enumerated.item[1] > 3)
		return -EINVAL;
	left = ucontrol->value.enumerated.item[0] << 6;
	right = ucontrol->value.enumerated.item[1] << 6;

	spin_lock_irqsave(&chip->lock, flags);

	left = (chip->image[CS4231_LEFT_INPUT] & ~CS4231_MIXS_ALL) | left;
	right = (chip->image[CS4231_RIGHT_INPUT] & ~CS4231_MIXS_ALL) | right;
	change = left != chip->image[CS4231_LEFT_INPUT] ||
		 right != chip->image[CS4231_RIGHT_INPUT];
	snd_cs4231_out(chip, CS4231_LEFT_INPUT, left);
	snd_cs4231_out(chip, CS4231_RIGHT_INPUT, right);

	spin_unlock_irqrestore(&chip->lock, flags);

	return change;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
135
69.59%
1
25.00%
david s. miller
david s. miller
53
27.32%
2
50.00%
takashi iwai
takashi iwai
6
3.09%
1
25.00%
Total
194
100.00%
4
100.00%



static int snd_cs4231_info_single(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo)
{
	int mask = (kcontrol->private_value >> 16) & 0xff;

	uinfo->type = (mask == 1) ?
		SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = mask;

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
53
73.61%
1
25.00%
art haas
art haas
8
11.11%
1
25.00%
david s. miller
david s. miller
6
8.33%
1
25.00%
takashi iwai
takashi iwai
5
6.94%
1
25.00%
Total
72
100.00%
4
100.00%



static int snd_cs4231_get_single(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int reg = kcontrol->private_value & 0xff;
	int shift = (kcontrol->private_value >> 8) & 0xff;
	int mask = (kcontrol->private_value >> 16) & 0xff;
	int invert = (kcontrol->private_value >> 24) & 0xff;

	spin_lock_irqsave(&chip->lock, flags);

	ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask;

	spin_unlock_irqrestore(&chip->lock, flags);

	if (invert)
		ucontrol->value.integer.value[0] =
			(mask - ucontrol->value.integer.value[0]);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
118
76.13%
1
25.00%
david s. miller
david s. miller
30
19.35%
2
50.00%
takashi iwai
takashi iwai
7
4.52%
1
25.00%
Total
155
100.00%
4
100.00%



static int snd_cs4231_put_single(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int reg = kcontrol->private_value & 0xff;
	int shift = (kcontrol->private_value >> 8) & 0xff;
	int mask = (kcontrol->private_value >> 16) & 0xff;
	int invert = (kcontrol->private_value >> 24) & 0xff;
	int change;
	unsigned short val;

	val = (ucontrol->value.integer.value[0] & mask);
	if (invert)
		val = mask - val;
	val <<= shift;

	spin_lock_irqsave(&chip->lock, flags);

	val = (chip->image[reg] & ~(mask << shift)) | val;
	change = val != chip->image[reg];
	snd_cs4231_out(chip, reg, val);

	spin_unlock_irqrestore(&chip->lock, flags);

	return change;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
133
74.30%
1
25.00%
david s. miller
david s. miller
39
21.79%
2
50.00%
takashi iwai
takashi iwai
7
3.91%
1
25.00%
Total
179
100.00%
4
100.00%



static int snd_cs4231_info_double(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo)
{
	int mask = (kcontrol->private_value >> 24) & 0xff;

	uinfo->type = mask == 1 ?
		SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 2;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = mask;

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
50
71.43%
1
33.33%
david s. miller
david s. miller
15
21.43%
1
33.33%
takashi iwai
takashi iwai
5
7.14%
1
33.33%
Total
70
100.00%
3
100.00%



static int snd_cs4231_get_double(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int left_reg = kcontrol->private_value & 0xff;
	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	int shift_left = (kcontrol->private_value >> 16) & 0x07;
	int shift_right = (kcontrol->private_value >> 19) & 0x07;
	int mask = (kcontrol->private_value >> 24) & 0xff;
	int invert = (kcontrol->private_value >> 22) & 1;

	spin_lock_irqsave(&chip->lock, flags);

	ucontrol->value.integer.value[0] =
		(chip->image[left_reg] >> shift_left) & mask;
	ucontrol->value.integer.value[1] =
		(chip->image[right_reg] >> shift_right) & mask;

	spin_unlock_irqrestore(&chip->lock, flags);

	if (invert) {
		ucontrol->value.integer.value[0] =
			(mask - ucontrol->value.integer.value[0]);
		ucontrol->value.integer.value[1] =
			(mask - ucontrol->value.integer.value[1]);
	}

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
167
71.67%
1
25.00%
david s. miller
david s. miller
58
24.89%
1
25.00%
takashi iwai
takashi iwai
7
3.00%
1
25.00%
jaroslav kysela
jaroslav kysela
1
0.43%
1
25.00%
Total
233
100.00%
4
100.00%



static int snd_cs4231_put_double(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int left_reg = kcontrol->private_value & 0xff;
	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	int shift_left = (kcontrol->private_value >> 16) & 0x07;
	int shift_right = (kcontrol->private_value >> 19) & 0x07;
	int mask = (kcontrol->private_value >> 24) & 0xff;
	int invert = (kcontrol->private_value >> 22) & 1;
	int change;
	unsigned short val1, val2;

	val1 = ucontrol->value.integer.value[0] & mask;
	val2 = ucontrol->value.integer.value[1] & mask;
	if (invert) {
		val1 = mask - val1;
		val2 = mask - val2;
	}
	val1 <<= shift_left;
	val2 <<= shift_right;

	spin_lock_irqsave(&chip->lock, flags);

	val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
	val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2;
	change = val1 != chip->image[left_reg];
	change |= val2 != chip->image[right_reg];
	snd_cs4231_out(chip, left_reg, val1);
	snd_cs4231_out(chip, right_reg, val2);

	spin_unlock_irqrestore(&chip->lock, flags);

	return change;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
218
80.15%
1
25.00%
david s. miller
david s. miller
44
16.18%
1
25.00%
takashi iwai
takashi iwai
7
2.57%
1
25.00%
krzysztof helt
krzysztof helt
3
1.10%
1
25.00%
Total
272
100.00%
4
100.00%


#define CS4231_SINGLE(xname, xindex, reg, shift, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .index = (xindex), \
  .info = snd_cs4231_info_single,       \
  .get = snd_cs4231_get_single, .put = snd_cs4231_put_single,   \
  .private_value = (reg) | ((shift) << 8) | ((mask) << 16) | ((invert) << 24) }


#define CS4231_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, \
			shift_right, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .index = (xindex), \
  .info = snd_cs4231_info_double,       \
  .get = snd_cs4231_get_double, .put = snd_cs4231_put_double,   \
  .private_value = (left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | \
                   ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22) }


static struct snd_kcontrol_new snd_cs4231_controls[] = {
CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT,
		CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT,
		CS4231_RIGHT_OUTPUT, 0, 0, 63, 1),
CS4231_DOUBLE("Line Playback Switch", 0, CS4231_LEFT_LINE_IN,
		CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
CS4231_DOUBLE("Line Playback Volume", 0, CS4231_LEFT_LINE_IN,
		CS4231_RIGHT_LINE_IN, 0, 0, 31, 1),
CS4231_DOUBLE("Aux Playback Switch", 0, CS4231_AUX1_LEFT_INPUT,
		CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
CS4231_DOUBLE("Aux Playback Volume", 0, CS4231_AUX1_LEFT_INPUT,
		CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1),
CS4231_DOUBLE("Aux Playback Switch", 1, CS4231_AUX2_LEFT_INPUT,
		CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
CS4231_DOUBLE("Aux Playback Volume", 1, CS4231_AUX2_LEFT_INPUT,
		CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1),
CS4231_SINGLE("Mono Playback Switch", 0, CS4231_MONO_CTRL, 7, 1, 1),
CS4231_SINGLE("Mono Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),
CS4231_SINGLE("Mono Output Playback Switch", 0, CS4231_MONO_CTRL, 6, 1, 1),
CS4231_SINGLE("Mono Output Playback Bypass", 0, CS4231_MONO_CTRL, 5, 1, 0),
CS4231_DOUBLE("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0,
		15, 0),
{
	.iface	= SNDRV_CTL_ELEM_IFACE_MIXER,
	.name	= "Capture Source",
	.info	= snd_cs4231_info_mux,
	.get	= snd_cs4231_get_mux,
	.put	= snd_cs4231_put_mux,
},
CS4231_DOUBLE("Mic Boost", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5,
		1, 0),
CS4231_SINGLE("Loopback Capture Switch", 0, CS4231_LOOPBACK, 0, 1, 0),
CS4231_SINGLE("Loopback Capture Volume", 0, CS4231_LOOPBACK, 2, 63, 1),
/* SPARC specific uses of XCTL{0,1} general purpose outputs.  */
CS4231_SINGLE("Line Out Switch", 0, CS4231_PIN_CTRL, 6, 1, 1),
CS4231_SINGLE("Headphone Out Switch", 0, CS4231_PIN_CTRL, 7, 1, 1)
};



static int snd_cs4231_mixer(struct snd_card *card)
{
	struct snd_cs4231 *chip = card->private_data;
	int err, idx;

	if (snd_BUG_ON(!chip || !chip->pcm))
		return -EINVAL;

	strcpy(card->mixername, chip->pcm->name);

	for (idx = 0; idx < ARRAY_SIZE(snd_cs4231_controls); idx++) {
		err = snd_ctl_add(card,
				 snd_ctl_new1(&snd_cs4231_controls[idx], chip));
		if (err < 0)
			return err;
	}
	return 0;
}

Contributors
Person
Tokens
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georg chini
georg chini
49
47.57%
1
20.00%
david s. miller
david s. miller
25
24.27%
1
20.00%
takashi iwai
takashi iwai
18
17.48%
2
40.00%
krzysztof helt
krzysztof helt
11
10.68%
1
20.00%
Total
103
100.00%
5
100.00%


static int dev;



static int cs4231_attach_begin(struct platform_device *op,
			       struct snd_card **rcard)
{
	struct snd_card *card;
	struct snd_cs4231 *chip;
	int err;

	*rcard = NULL;

	if (dev >= SNDRV_CARDS)
		return -ENODEV;

	if (!enable[dev]) {
		dev++;
		return -ENOENT;
	}

	err = snd_card_new(&op->dev, index[dev], id[dev], THIS_MODULE,
			   sizeof(struct snd_cs4231), &card);
	if (err < 0)
		return err;

	strcpy(card->driver, "CS4231");
	strcpy(card->shortname, "Sun CS4231");

	chip = card->private_data;
	chip->card = card;

	*rcard = card;
	return 0;
}

Contributors
Person
Tokens
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Commits
CommitProp
georg chini
georg chini
69
49.29%
1
16.67%
takashi iwai
takashi iwai
26
18.57%
3
50.00%
david s. miller
david s. miller
23
16.43%
1
16.67%
krzysztof helt
krzysztof helt
22
15.71%
1
16.67%
Total
140
100.00%
6
100.00%



static int cs4231_attach_finish(struct snd_card *card)
{
	struct snd_cs4231 *chip = card->private_data;
	int err;

	err = snd_cs4231_pcm(card);
	if (err < 0)
		goto out_err;

	err = snd_cs4231_mixer(card);
	if (err < 0)
		goto out_err;

	err = snd_cs4231_timer(card);
	if (err < 0)
		goto out_err;

	err = snd_card_register(card);
	if (err < 0)
		goto out_err;

	dev_set_drvdata(&chip->op->dev, chip);

	dev++;
	return 0;

out_err:
	snd_card_free(card);
	return err;
}

Contributors
Person
Tokens
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CommitProp
georg chini
georg chini
64
55.65%
1
20.00%
krzysztof helt
krzysztof helt
26
22.61%
1
20.00%
david s. miller
david s. miller
21
18.26%
2
40.00%
takashi iwai
takashi iwai
4
3.48%
1
20.00%
Total
115
100.00%
5
100.00%

#ifdef SBUS_SUPPORT



static irqreturn_t snd_cs4231_sbus_interrupt(int irq, void *dev_id)
{
	unsigned long flags;
	unsigned char status;
	u32 csr;
	struct snd_cs4231 *chip = dev_id;

	/*This is IRQ is not raised by the cs4231*/
	if (!(__cs4231_readb(chip, CS4231U(chip, STATUS)) & CS4231_GLOBALIRQ))
		return IRQ_NONE;

	/* ACK the APC interrupt. */
	csr = sbus_readl(chip->port + APCCSR);

	sbus_writel(csr, chip->port + APCCSR);

	if ((csr & APC_PDMA_READY) &&
	    (csr & APC_PLAY_INT) &&
	    (csr & APC_XINT_PNVA) &&
	    !(csr & APC_XINT_EMPT))
			snd_cs4231_play_callback(chip);

	if ((csr & APC_CDMA_READY) &&
	    (csr & APC_CAPT_INT) &&
	    (csr & APC_XINT_CNVA) &&
	    !(csr & APC_XINT_EMPT))
			snd_cs4231_capture_callback(chip);

	status = snd_cs4231_in(chip, CS4231_IRQ_STATUS);

	if (status & CS4231_TIMER_IRQ) {
		if (chip->timer)
			snd_timer_interrupt(chip->timer, chip->timer->sticks);
	}

	if ((status & CS4231_RECORD_IRQ) && (csr & APC_CDMA_READY))
		snd_cs4231_overrange(chip);

	/* ACK the CS4231 interrupt. */
	spin_lock_irqsave(&chip->lock, flags);
	snd_cs4231_outm(chip, CS4231_IRQ_STATUS, ~CS4231_ALL_IRQS | ~status, 0);
	spin_unlock_irqrestore(&chip->lock, flags);

	return IRQ_HANDLED;
}

Contributors
Person
Tokens
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Commits
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georg chini
georg chini
198
84.26%
2
40.00%
david s. miller
david s. miller
34
14.47%
1
20.00%
takashi iwai
takashi iwai
2
0.85%
1
20.00%
krzysztof helt
krzysztof helt
1
0.43%
1
20.00%
Total
235
100.00%
5
100.00%

/*
 * SBUS DMA routines
 */



static int sbus_dma_request(struct cs4231_dma_control *dma_cont,
			    dma_addr_t bus_addr, size_t len)
{
	unsigned long flags;
	u32 test, csr;
	int err;
	struct sbus_dma_info *base = &dma_cont->sbus_info;

	if (len >= (1 << 24))
		return -EINVAL;
	spin_lock_irqsave(&base->lock, flags);
	csr = sbus_readl(base->regs + APCCSR);
	err = -EINVAL;
	test = APC_CDMA_READY;
	if (base->dir == APC_PLAY)
		test = APC_PDMA_READY;
	if (!(csr & test))
		goto out;
	err = -EBUSY;
	test = APC_XINT_CNVA;
	if (base->dir == APC_PLAY)
		test = APC_XINT_PNVA;
	if (!(csr & test))
		goto out;
	err = 0;
	sbus_writel(bus_addr, base->regs + base->dir + APCNVA);
	sbus_writel(len, base->regs + base->dir + APCNC);
out:
	spin_unlock_irqrestore(&base->lock, flags);
	return err;
}

Contributors
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Tokens
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georg chini
georg chini
177
93.65%
1
33.33%
david s. miller
david s. miller
9
4.76%
1
33.33%
takashi iwai
takashi iwai
3
1.59%
1
33.33%
Total
189
100.00%
3
100.00%



static void sbus_dma_prepare(struct cs4231_dma_control *dma_cont, int d)
{
	unsigned long flags;
	u32 csr, test;
	struct sbus_dma_info *base = &dma_cont->sbus_info;

	spin_lock_irqsave(&base->lock, flags);
	csr = sbus_readl(base->regs + APCCSR);
	test =  APC_GENL_INT | APC_PLAY_INT | APC_XINT_ENA |
		APC_XINT_PLAY | APC_XINT_PEMP | APC_XINT_GENL |
		 APC_XINT_PENA;
	if (base->dir == APC_RECORD)
		test = APC_GENL_INT | APC_CAPT_INT | APC_XINT_ENA |
			APC_XINT_CAPT | APC_XINT_CEMP | APC_XINT_GENL;
	csr |= test;
	sbus_writel(csr, base->regs + APCCSR);
	spin_unlock_irqrestore(&base->lock, flags);
}

Contributors
Person
Tokens
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georg chini
georg chini
102
87.18%
1
25.00%
david s. miller
david s. miller
9
7.69%
1
25.00%
art haas
art haas
3
2.56%
1
25.00%
takashi iwai
takashi iwai
3
2.56%
1
25.00%
Total
117
100.00%
4
100.00%



static void sbus_dma_enable(struct cs4231_dma_control *dma_cont, int on)
{
	unsigned long flags;
	u32 csr, shift;
	struct sbus_dma_info *base = &dma_cont->sbus_info;

	spin_lock_irqsave(&base->lock, flags);
	if (!on) {
		sbus_writel(0, base->regs + base->dir + APCNC);
		sbus_writel(0, base->regs + base->dir + APCNVA);
		if (base->dir == APC_PLAY) {
			sbus_writel(0, base->regs + base->dir + APCC);
			sbus_writel(0, base->regs + base->dir + APCVA);
		}

		udelay(1200);
	}
	csr = sbus_readl(base->regs + APCCSR);
	shift = 0;
	if (base->dir == APC_PLAY)
		shift = 1;
	if (on)
		csr &= ~(APC_CPAUSE << shift);
	else
		csr |= (APC_CPAUSE << shift);
	sbus_writel(csr, base->regs + APCCSR);
	if (on)
		csr |= (APC_CDMA_READY << shift);
	else
		csr &= ~(APC_CDMA_READY << shift);
	sbus_writel(csr, base->regs + APCCSR);

	spin_unlock_irqrestore(&base->lock, flags);
}

Contributors
Person
Tokens
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Commits
CommitProp
georg chini
georg chini
177
77.63%
3
50.00%
david s. miller
david s. miller
46
20.18%
1
16.67%
takashi iwai
takashi iwai
3
1.32%
1
16.67%
jaroslav kysela
jaroslav kysela
2
0.88%
1
16.67%
Total
228
100.00%
6
100.00%



static unsigned int sbus_dma_addr(struct cs4231_dma_control *dma_cont)
{
	struct sbus_dma_info *base = &dma_cont->sbus_info;

	return sbus_readl(base->regs + base->dir + APCVA);
}

Contributors
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georg chini
georg chini
30
83.33%
1
33.33%
takashi iwai
takashi iwai
3
8.33%
1
33.33%
david s. miller
david s. miller
3
8.33%
1
33.33%
Total
36
100.00%
3
100.00%

/*
 * Init and exit routines
 */



static int snd_cs4231_sbus_free(struct snd_cs4231 *chip)
{
	struct platform_device *op = chip->op;

	if (chip->irq[0])
		free_irq(chip->irq[0], chip);

	if (chip->port)
		of_iounmap(&op->resource[0], chip->port, chip->regs_size);

	return 0;
}

Contributors
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david s. miller
david s. miller
66
95.65%
2
50.00%
takashi iwai
takashi iwai
2
2.90%
1
25.00%
grant likely
grant likely
1
1.45%
1
25.00%
Total
69
100.00%
4
100.00%



static int snd_cs4231_sbus_dev_free(struct snd_device *device)
{
	struct snd_cs4231 *cp = device->device_data;

	return snd_cs4231_sbus_free(cp);
}

Contributors
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david s. miller
david s. miller
19
73.08%
1
33.33%
takashi iwai
takashi iwai
4
15.38%
1
33.33%
jaroslav kysela
jaroslav kysela
3
11.54%
1
33.33%
Total
26
100.00%
3
100.00%


static struct snd_device_ops snd_cs4231_sbus_dev_ops = {
	.dev_free	=	snd_cs4231_sbus_dev_free,
};



static int snd_cs4231_sbus_create(struct snd_card *card,
				  struct platform_device *op,
				  int dev)
{
	struct snd_cs4231 *chip = card->private_data;
	int err;

	spin_lock_init(&chip->lock);
	spin_lock_init(&chip->c_dma.sbus_info.lock);
	spin_lock_init(&chip->p_dma.sbus_info.lock);
	mutex_init(&chip->mce_mutex);
	mutex_init(&chip->open_mutex);
	chip->op = op;
	chip->regs_size = resource_size(&op->resource[0]);
	memcpy(&chip->image, &snd_cs4231_original_image,
	       sizeof(snd_cs4231_original_image));

	chip->port = of_ioremap(&op->resource[0], 0,
				chip->regs_size, "cs4231");
	if (!chip->port) {
		snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev);
		return -EIO;
	}

	chip->c_dma.sbus_info.regs = chip->port;
	chip->p_dma.sbus_info.regs = chip->port;
	chip->c_dma.sbus_info.dir = APC_RECORD;
	chip->p_dma.sbus_info.dir = APC_PLAY;

	chip->p_dma.prepare = sbus_dma_prepare;
	chip->p_dma.enable = sbus_dma_enable;
	chip->p_dma.request = sbus_dma_request;
	chip->p_dma.address = sbus_dma_addr;

	chip->c_dma.prepare = sbus_dma_prepare;
	chip->c_dma.enable = sbus_dma_enable;
	chip->c_dma.request = sbus_dma_request;
	chip->c_dma.address = sbus_dma_addr;

	if (request_irq(op->archdata.irqs[0], snd_cs4231_sbus_interrupt,
			IRQF_SHARED, "cs4231", chip)) {
		snd_printdd("cs4231-%d: Unable to grab SBUS IRQ %d\n",
			    dev, op->archdata.irqs[0]);
		snd_cs4231_sbus_free(chip);
		return -EBUSY;
	}
	chip->irq[0] = op->archdata.irqs[0];

	if (snd_cs4231_probe(chip) < 0) {
		snd_cs4231_sbus_free(chip);
		return -ENODEV;
	}
	snd_cs4231_init(chip);

	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
				  chip, &snd_cs4231_sbus_dev_ops)) < 0) {
		snd_cs4231_sbus_free(chip);
		return err;
	}

	return 0;
}

Contributors
Person
Tokens
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Commits
CommitProp
georg chini
georg chini
245
62.82%
2
16.67%
david s. miller
david s. miller
126
32.31%
3
25.00%
grant likely
grant likely
7
1.79%
2
16.67%
takashi iwai
takashi iwai
4
1.03%
1
8.33%
krzysztof helt
krzysztof helt
4
1.03%
1
8.33%
ingo molnar
ingo molnar
2
0.51%
1
8.33%
christopher zimmermann
christopher zimmermann
1
0.26%
1
8.33%
thomas gleixner
thomas gleixner
1
0.26%
1
8.33%
Total
390
100.00%
12
100.00%



static int cs4231_sbus_probe(struct platform_device *op)
{
	struct resource *rp = &op->resource[0];
	struct snd_card *card;
	int err;

	err = cs4231_attach_begin(op, &card);
	if (err)
		return err;

	sprintf(card->longname, "%s at 0x%02lx:0x%016Lx, irq %d",
		card->shortname,
		rp->flags & 0xffL,
		(unsigned long long)rp->start,
		op->archdata.irqs[0]);

	err = snd_cs4231_sbus_create(card, op, dev);
	if (err < 0) {
		snd_card_free(card);
		return err;
	}

	return cs4231_attach_finish(card);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
68
57.14%
2
16.67%
david s. miller
david s. miller
34
28.57%
3
25.00%
greg kroah-hartman
greg kroah-hartman
5
4.20%
1
8.33%
krzysztof helt
krzysztof helt
4
3.36%
1
8.33%
takashi iwai
takashi iwai
4
3.36%
2
16.67%
grant likely
grant likely
3
2.52%
2
16.67%
andrew morton
andrew morton
1
0.84%
1
8.33%
Total
119
100.00%
12
100.00%

#endif

#ifdef EBUS_SUPPORT



static void snd_cs4231_ebus_play_callback(struct ebus_dma_info *p, int event,
					  void *cookie)
{
	struct snd_cs4231 *chip = cookie;

	snd_cs4231_play_callback(chip);
}

Contributors
Person
Tokens
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CommitProp
georg chini
georg chini
24
80.00%
1
33.33%
david s. miller
david s. miller
4
13.33%
1
33.33%
takashi iwai
takashi iwai
2
6.67%
1
33.33%
Total
30
100.00%
3
100.00%



static void snd_cs4231_ebus_capture_callback(struct ebus_dma_info *p,
					     int event, void *cookie)
{
	struct snd_cs4231 *chip = cookie;

	snd_cs4231_capture_callback(chip);
}

Contributors
Person
Tokens
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CommitProp
georg chini
georg chini
26
86.67%
1
33.33%
takashi iwai
takashi iwai
2
6.67%
1
33.33%
david s. miller
david s. miller
2
6.67%
1
33.33%
Total
30
100.00%
3
100.00%

/*
 * EBUS DMA wrappers
 */



static int _ebus_dma_request(struct cs4231_dma_control *dma_cont,
			     dma_addr_t bus_addr, size_t len)
{
	return ebus_dma_request(&dma_cont->ebus_info, bus_addr, len);
}

Contributors
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Tokens
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CommitProp
georg chini
georg chini
28
93.33%
1
33.33%
takashi iwai
takashi iwai
1
3.33%
1
33.33%
david s. miller
david s. miller
1
3.33%
1
33.33%
Total
30
100.00%
3
100.00%



static void _ebus_dma_enable(struct cs4231_dma_control *dma_cont, int on)
{
	ebus_dma_enable(&dma_cont->ebus_info, on);
}

Contributors
Person
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CommitProp
georg chini
georg chini
21
87.50%
1
33.33%
david s. miller
david s. miller
2
8.33%
1
33.33%
takashi iwai
takashi iwai
1
4.17%
1
33.33%
Total
24
100.00%
3
100.00%



static void _ebus_dma_prepare(struct cs4231_dma_control *dma_cont, int dir)
{
	ebus_dma_prepare(&dma_cont->ebus_info, dir);
}

Contributors
Person
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georg chini
georg chini
18
75.00%
1
33.33%
david s. miller
david s. miller
5
20.83%
1
33.33%
takashi iwai
takashi iwai
1
4.17%
1
33.33%
Total
24
100.00%
3
100.00%



static unsigned int _ebus_dma_addr(struct cs4231_dma_control *dma_cont)
{
	return ebus_dma_addr(&dma_cont->ebus_info);
}

Contributors
Person
Tokens
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CommitProp
georg chini
georg chini
12
57.14%
1
33.33%
david s. miller
david s. miller
8
38.10%
1
33.33%
takashi iwai
takashi iwai
1
4.76%
1
33.33%
Total
21
100.00%
3
100.00%

/*
 * Init and exit routines
 */



static int snd_cs4231_ebus_free(struct snd_cs4231 *chip)
{
	struct platform_device *op = chip->op;

	if (chip->c_dma.ebus_info.regs) {
		ebus_dma_unregister(&chip->c_dma.ebus_info);
		of_iounmap(&op->resource[2], chip->c_dma.ebus_info.regs, 0x10);
	}
	if (chip->p_dma.ebus_info.regs) {
		ebus_dma_unregister(&chip->p_dma.ebus_info);
		of_iounmap(&op->resource[1], chip->p_dma.ebus_info.regs, 0x10);
	}

	if (chip->port)
		of_iounmap(&op->resource[0], chip->port, 0x10);

	return 0;
}

Contributors
Person
Tokens
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CommitProp
david s. miller
david s. miller
111
84.09%
3
50.00%
georg chini
georg chini
18
13.64%
1
16.67%
takashi iwai
takashi iwai
2
1.52%
1
16.67%
grant likely
grant likely
1
0.76%
1
16.67%
Total
132
100.00%
6
100.00%



static int snd_cs4231_ebus_dev_free(struct snd_device *device)
{
	struct snd_cs4231 *cp = device->device_data;

	return snd_cs4231_ebus_free(cp);
}

Contributors
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david s. miller
david s. miller
19
73.08%
1
33.33%
takashi iwai
takashi iwai
4
15.38%
1
33.33%
jaroslav kysela
jaroslav kysela
3
11.54%
1
33.33%
Total
26
100.00%
3
100.00%


static struct snd_device_ops snd_cs4231_ebus_dev_ops = {
	.dev_free	=	snd_cs4231_ebus_dev_free,
};



static int snd_cs4231_ebus_create(struct snd_card *card,
				  struct platform_device *op,
				  int dev)
{
	struct snd_cs4231 *chip = card->private_data;
	int err;

	spin_lock_init(&chip->lock);
	spin_lock_init(&chip->c_dma.ebus_info.lock);
	spin_lock_init(&chip->p_dma.ebus_info.lock);
	mutex_init(&chip->mce_mutex);
	mutex_init(&chip->open_mutex);
	chip->flags |= CS4231_FLAG_EBUS;
	chip->op = op;
	memcpy(&chip->image, &snd_cs4231_original_image,
	       sizeof(snd_cs4231_original_image));
	strcpy(chip->c_dma.ebus_info.name, "cs4231(capture)");
	chip->c_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
	chip->c_dma.ebus_info.callback = snd_cs4231_ebus_capture_callback;
	chip->c_dma.ebus_info.client_cookie = chip;
	chip->c_dma.ebus_info.irq = op->archdata.irqs[0];
	strcpy(chip->p_dma.ebus_info.name, "cs4231(play)");
	chip->p_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
	chip->p_dma.ebus_info.callback = snd_cs4231_ebus_play_callback;
	chip->p_dma.ebus_info.client_cookie = chip;
	chip->p_dma.ebus_info.irq = op->archdata.irqs[1];

	chip->p_dma.prepare = _ebus_dma_prepare;
	chip->p_dma.enable = _ebus_dma_enable;
	chip->p_dma.request = _ebus_dma_request;
	chip->p_dma.address = _ebus_dma_addr;

	chip->c_dma.prepare = _ebus_dma_prepare;
	chip->c_dma.enable = _ebus_dma_enable;
	chip->c_dma.request = _ebus_dma_request;
	chip->c_dma.address = _ebus_dma_addr;

	chip->port = of_ioremap(&op->resource[0], 0, 0x10, "cs4231");
	chip->p_dma.ebus_info.regs =
		of_ioremap(&op->resource[1], 0, 0x10, "cs4231_pdma");
	chip->c_dma.ebus_info.regs =
		of_ioremap(&op->resource[2], 0, 0x10, "cs4231_cdma");
	if (!chip->port || !chip->p_dma.ebus_info.regs ||
	    !chip->c_dma.ebus_info.regs) {
		snd_cs4231_ebus_free(chip);
		snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev);
		return -EIO;
	}

	if (ebus_dma_register(&chip->c_dma.ebus_info)) {
		snd_cs4231_ebus_free(chip);
		snd_printdd("cs4231-%d: Unable to register EBUS capture DMA\n",
			    dev);
		return -EBUSY;
	}
	if (ebus_dma_irq_enable(&chip->c_dma.ebus_info, 1)) {
		snd_cs4231_ebus_free(chip);
		snd_printdd("cs4231-%d: Unable to enable EBUS capture IRQ\n",
			    dev);
		return -EBUSY;
	}

	if (ebus_dma_register(&chip->p_dma.ebus_info)) {
		snd_cs4231_ebus_free(chip);
		snd_printdd("cs4231-%d: Unable to register EBUS play DMA\n",
			    dev);
		return -EBUSY;
	}
	if (ebus_dma_irq_enable(&chip->p_dma.ebus_info, 1)) {
		snd_cs4231_ebus_free(chip);
		snd_printdd("cs4231-%d: Unable to enable EBUS play IRQ\n", dev);
		return -EBUSY;
	}

	if (snd_cs4231_probe(chip) < 0) {
		snd_cs4231_ebus_free(chip);
		return -ENODEV;
	}
	snd_cs4231_init(chip);

	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
				  chip, &snd_cs4231_ebus_dev_ops)) < 0) {
		snd_cs4231_ebus_free(chip);
		return err;
	}

	return 0;
}

Contributors
Person
Tokens
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CommitProp
david s. miller
david s. miller
443
75.47%
4
36.36%
georg chini
georg chini
124
21.12%
1
9.09%
grant likely
grant likely
5
0.85%
2
18.18%
christopher zimmermann
christopher zimmermann
5
0.85%
1
9.09%
krzysztof helt
krzysztof helt
4
0.68%
1
9.09%
takashi iwai
takashi iwai
4
0.68%
1
9.09%
ingo molnar
ingo molnar
2
0.34%
1
9.09%
Total
587
100.00%
11
100.00%



static int cs4231_ebus_probe(struct platform_device *op)
{
	struct snd_card *card;
	int err;

	err = cs4231_attach_begin(op, &card);
	if (err)
		return err;

	sprintf(card->longname, "%s at 0x%llx, irq %d",
		card->shortname,
		op->resource[0].start,
		op->archdata.irqs[0]);

	err = snd_cs4231_ebus_create(card, op, dev);
	if (err < 0) {
		snd_card_free(card);
		return err;
	}

	return cs4231_attach_finish(card);
}
Contributors
Person
Tokens
Prop
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CommitProp
david s. miller
david s. miller
88
88.00%
2
25.00%
krzysztof helt
krzysztof helt
4
4.00%
1
12.50%
takashi iwai
takashi iwai
4
4.00%
2
25.00%
grant likely
grant likely
3
3.00%
2
25.00%
sam ravnborg
sam ravnborg
1
1.00%
1
12.50%
Total
100
100.00%
8
100.00%

#endif



static int cs4231_probe(struct platform_device *op)
{
#ifdef EBUS_SUPPORT
	if (!strcmp(op->dev.of_node->parent->name, "ebus"))
		return cs4231_ebus_probe(op);
#endif
#ifdef SBUS_SUPPORT
	if (!strcmp(op->dev.of_node->parent->name, "sbus") ||
	    !strcmp(op->dev.of_node->parent->name, "sbi"))
		return cs4231_sbus_probe(op);
#endif
	return -ENODEV;
}

Contributors
Person
Tokens
Prop
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CommitProp
david s. miller
david s. miller
79
88.76%
2
50.00%
grant likely
grant likely
10
11.24%
2
50.00%
Total
89
100.00%
4
100.00%



static int cs4231_remove(struct platform_device *op)
{
	struct snd_cs4231 *chip = dev_get_drvdata(&op->dev);

	snd_card_free(chip->card);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
david s. miller
david s. miller
33
97.06%
1
50.00%
grant likely
grant likely
1
2.94%
1
50.00%
Total
34
100.00%
2
100.00%


static const struct of_device_id cs4231_match[] = {
	{
		.name = "SUNW,CS4231",
        },
	{
		.name = "audio",
		.compatible = "SUNW,CS4231",
        },
	{},
};

MODULE_DEVICE_TABLE(of, cs4231_match);


static struct platform_driver cs4231_driver = {
	.driver = {
		.name = "audio",
		.of_match_table = cs4231_match,
        },
	.probe		= cs4231_probe,
	.remove		= cs4231_remove,
};


module_platform_driver(cs4231_driver);
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
georg chini
georg chini
5816
54.39%
4
7.27%
david s. miller
david s. miller
3898
36.45%
15
27.27%
takashi iwai
takashi iwai
359
3.36%
8
14.55%
krzysztof helt
krzysztof helt
352
3.29%
5
9.09%
christopher zimmermann
christopher zimmermann
126
1.18%
1
1.82%
grant likely
grant likely
39
0.36%
5
9.09%
jaroslav kysela
jaroslav kysela
38
0.36%
6
10.91%
ingo molnar
ingo molnar
17
0.16%
1
1.82%
wei yongjun
wei yongjun
16
0.15%
1
1.82%
art haas
art haas
15
0.14%
1
1.82%
greg kroah-hartman
greg kroah-hartman
5
0.05%
1
1.82%
eric sesterhenn
eric sesterhenn
4
0.04%
1
1.82%
rusty russell
rusty russell
4
0.04%
2
3.64%
axel lin
axel lin
2
0.02%
1
1.82%
sam ravnborg
sam ravnborg
1
0.01%
1
1.82%
thomas gleixner
thomas gleixner
1
0.01%
1
1.82%
andrew morton
andrew morton
1
0.01%
1
1.82%
bill pemberton
bill pemberton
0.00%
0
0.00%
Total
10694
100.00%
55
100.00%
  
Directory: sound/sparc

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