cregit-Linux how code gets into the kernel

Release 4.8 sound/sparc/cs4231.c

Directory: sound/sparc
/*
 * 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); }

Contributors

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller2291.67%150.00%
takashi iwaitakashi iwai28.33%150.00%
Total24100.00%2100.00%

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); }

Contributors

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller3594.59%266.67%
takashi iwaitakashi iwai25.41%133.33%
Total37100.00%3100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller4295.45%266.67%
takashi iwaitakashi iwai24.55%133.33%
Total44100.00%3100.00%

/* * 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); } }

Contributors

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller3761.67%120.00%
krzysztof heltkrzysztof helt2033.33%240.00%
takashi iwaitakashi iwai23.33%120.00%
jaroslav kyselajaroslav kysela11.67%120.00%
Total60100.00%5100.00%


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(); }

Contributors

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller5458.06%120.00%
christopher zimmermannchristopher zimmermann2830.11%120.00%
krzysztof heltkrzysztof helt99.68%240.00%
takashi iwaitakashi iwai22.15%120.00%
Total93100.00%5100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
krzysztof heltkrzysztof helt3451.52%133.33%
david s. millerdavid s. miller3045.45%133.33%
takashi iwaitakashi iwai23.03%133.33%
Total66100.00%3100.00%


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(); }

Contributors

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller2255.00%150.00%
krzysztof heltkrzysztof helt1845.00%150.00%
Total40100.00%2100.00%


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)); }

Contributors

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller7590.36%120.00%
krzysztof heltkrzysztof helt56.02%240.00%
takashi iwaitakashi iwai22.41%120.00%
christopher zimmermannchristopher zimmermann11.20%120.00%
Total83100.00%5100.00%

/* * 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); } }

Contributors

PersonTokensPropCommitsCommitProp
georg chinigeorg chini6170.11%116.67%
krzysztof heltkrzysztof helt2326.44%350.00%
takashi iwaitakashi iwai22.30%116.67%
david s. millerdavid s. miller11.15%116.67%
Total87100.00%6100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
georg chinigeorg chini10778.68%228.57%
david s. millerdavid s. miller2115.44%114.29%
krzysztof heltkrzysztof helt64.41%342.86%
takashi iwaitakashi iwai21.47%114.29%
Total136100.00%7100.00%


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"); }

Contributors

PersonTokensPropCommitsCommitProp
georg chinigeorg chini15867.81%222.22%
krzysztof heltkrzysztof helt4619.74%444.44%
david s. millerdavid s. miller229.44%111.11%
takashi iwaitakashi iwai73.00%222.22%
Total233100.00%9100.00%


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; } }

Contributors

PersonTokensPropCommitsCommitProp
georg chinigeorg chini8782.08%120.00%
takashi iwaitakashi iwai98.49%240.00%
david s. millerdavid s. miller87.55%120.00%
eric sesterhenneric sesterhenn21.89%120.00%
Total106100.00%5100.00%


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); } } }

Contributors

PersonTokensPropCommitsCommitProp
georg chinigeorg chini11469.94%133.33%
david s. millerdavid s. miller4326.38%133.33%
takashi iwaitakashi iwai63.68%133.33%
Total163100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini13365.84%125.00%
david s. millerdavid s. miller6130.20%125.00%
takashi iwaitakashi iwai83.96%250.00%
Total202100.00%4100.00%

/* * 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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini3675.00%133.33%
david s. millerdavid s. miller1225.00%266.67%
Total48100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini7082.35%240.00%
christopher zimmermannchristopher zimmermann1112.94%120.00%
takashi iwaitakashi iwai22.35%120.00%
david s. millerdavid s. miller22.35%120.00%
Total85100.00%5100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini18665.49%233.33%
christopher zimmermannchristopher zimmermann5218.31%116.67%
david s. millerdavid s. miller4415.49%233.33%
takashi iwaitakashi iwai20.70%116.67%
Total284100.00%6100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini7662.81%116.67%
david s. millerdavid s. miller3932.23%350.00%
takashi iwaitakashi iwai43.31%116.67%
ingo molnaringo molnar21.65%116.67%
Total121100.00%6100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini12273.94%120.00%
david s. millerdavid s. miller3722.42%240.00%
takashi iwaitakashi iwai42.42%120.00%
ingo molnaringo molnar21.21%120.00%
Total165100.00%5100.00%

/* * 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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini2158.33%133.33%
david s. millerdavid s. miller1130.56%133.33%
takashi iwaitakashi iwai411.11%133.33%
Total36100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini8149.09%133.33%
david s. millerdavid s. miller8048.48%133.33%
takashi iwaitakashi iwai42.42%133.33%
Total165100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller2940.28%125.00%
georg chinigeorg chini2940.28%125.00%
krzysztof heltkrzysztof helt1013.89%125.00%
takashi iwaitakashi iwai45.56%125.00%
Total72100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller17555.38%133.33%
georg chinigeorg chini13943.99%133.33%
takashi iwaitakashi iwai20.63%133.33%
Total316100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini11862.11%120.00%
david s. millerdavid s. miller6433.68%120.00%
ingo molnaringo molnar42.11%120.00%
krzysztof heltkrzysztof helt21.05%120.00%
takashi iwaitakashi iwai21.05%120.00%
Total190100.00%5100.00%


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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller15855.44%120.00%
georg chinigeorg chini11841.40%120.00%
krzysztof heltkrzysztof helt41.40%120.00%
ingo molnaringo molnar31.05%120.00%
takashi iwaitakashi iwai20.70%120.00%
Total285100.00%5100.00%

/* * 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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini1961.29%133.33%
david s. millerdavid s. miller825.81%133.33%
takashi iwaitakashi iwai412.90%133.33%
Total31100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini1961.29%133.33%
david s. millerdavid s. miller825.81%133.33%
takashi iwaitakashi iwai412.90%133.33%
Total31100.00%3100.00%

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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini6470.33%125.00%
david s. millerdavid s. miller1718.68%125.00%
takashi iwaitakashi iwai66.59%125.00%
krzysztof heltkrzysztof helt44.40%125.00%
Total91100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini5955.14%116.67%
david s. millerdavid s. miller1816.82%116.67%
wei yongjunwei yongjun1614.95%116.67%
takashi iwaitakashi iwai1211.21%233.33%
eric sesterhenneric sesterhenn21.87%116.67%
Total107100.00%6100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini5762.64%125.00%
david s. millerdavid s. miller2426.37%125.00%
takashi iwaitakashi iwai66.59%125.00%
krzysztof heltkrzysztof helt44.40%125.00%
Total91100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini4058.82%133.33%
david s. millerdavid s. miller2435.29%133.33%
takashi iwaitakashi iwai45.88%133.33%
Total68100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini4261.76%125.00%
david s. millerdavid s. miller2333.82%125.00%
takashi iwaitakashi iwai22.94%125.00%
krzysztof heltkrzysztof helt11.47%125.00%
Total68100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller2450.00%133.33%
georg chinigeorg chini2143.75%133.33%
takashi iwaitakashi iwai36.25%133.33%
Total48100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller2552.08%133.33%
georg chinigeorg chini2041.67%133.33%
takashi iwaitakashi iwai36.25%133.33%
Total48100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini5666.67%133.33%
david s. millerdavid s. miller2226.19%133.33%
takashi iwaitakashi iwai67.14%133.33%
Total84100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini4452.38%133.33%
david s. millerdavid s. miller3440.48%133.33%
takashi iwaitakashi iwai67.14%133.33%
Total84100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini21562.50%228.57%
david s. millerdavid s. miller9226.74%114.29%
christopher zimmermannchristopher zimmermann216.10%114.29%
krzysztof heltkrzysztof helt144.07%228.57%
takashi iwaitakashi iwai20.58%114.29%
Total344100.00%7100.00%

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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini7174.74%228.57%
david s. millerdavid s. miller88.42%228.57%
christopher zimmermannchristopher zimmermann66.32%114.29%
takashi iwaitakashi iwai66.32%114.29%
krzysztof heltkrzysztof helt44.21%114.29%
Total95100.00%7100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini6265.26%120.00%
david s. millerdavid s. miller2324.21%240.00%
takashi iwaitakashi iwai66.32%120.00%
krzysztof heltkrzysztof helt44.21%120.00%
Total95100.00%5100.00%


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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller1745.95%250.00%
georg chinigeorg chini1643.24%125.00%
takashi iwaitakashi iwai410.81%125.00%
Total37100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller2156.76%240.00%
georg chinigeorg chini1232.43%240.00%
takashi iwaitakashi iwai410.81%120.00%
Total37100.00%5100.00%

/* 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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini6853.12%228.57%
david s. millerdavid s. miller4132.03%342.86%
krzysztof heltkrzysztof helt1511.72%114.29%
takashi iwaitakashi iwai43.12%114.29%
Total128100.00%7100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini6453.78%116.67%
david s. millerdavid s. miller3327.73%350.00%
krzysztof heltkrzysztof helt1512.61%116.67%
takashi iwaitakashi iwai75.88%116.67%
Total119100.00%6100.00%

/* * 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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini3572.92%125.00%
takashi iwaitakashi iwai1122.92%250.00%
david s. millerdavid s. miller24.17%125.00%
Total48100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini7069.31%133.33%
david s. millerdavid s. miller2524.75%133.33%
takashi iwaitakashi iwai65.94%133.33%
Total101100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini13569.59%125.00%
david s. millerdavid s. miller5327.32%250.00%
takashi iwaitakashi iwai63.09%125.00%
Total194100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini5373.61%125.00%
art haasart haas811.11%125.00%
david s. millerdavid s. miller68.33%125.00%
takashi iwaitakashi iwai56.94%125.00%
Total72100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini11876.13%125.00%
david s. millerdavid s. miller3019.35%250.00%
takashi iwaitakashi iwai74.52%125.00%
Total155100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini13374.30%125.00%
david s. millerdavid s. miller3921.79%250.00%
takashi iwaitakashi iwai73.91%125.00%
Total179100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini5071.43%133.33%
david s. millerdavid s. miller1521.43%133.33%
takashi iwaitakashi iwai57.14%133.33%
Total70100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini16771.67%125.00%
david s. millerdavid s. miller5824.89%125.00%
takashi iwaitakashi iwai73.00%125.00%
jaroslav kyselajaroslav kysela10.43%125.00%
Total233100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini21880.15%125.00%
david s. millerdavid s. miller4416.18%125.00%
takashi iwaitakashi iwai72.57%125.00%
krzysztof heltkrzysztof helt31.10%125.00%
Total272100.00%4100.00%

#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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini4947.57%120.00%
david s. millerdavid s. miller2524.27%120.00%
takashi iwaitakashi iwai1817.48%240.00%
krzysztof heltkrzysztof helt1110.68%120.00%
Total103100.00%5100.00%

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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini6949.29%116.67%
takashi iwaitakashi iwai2618.57%350.00%
david s. millerdavid s. miller2316.43%116.67%
krzysztof heltkrzysztof helt2215.71%116.67%
Total140100.00%6100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini6455.65%120.00%
krzysztof heltkrzysztof helt2622.61%120.00%
david s. millerdavid s. miller2118.26%240.00%
takashi iwaitakashi iwai43.48%120.00%
Total115100.00%5100.00%

#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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini19884.26%240.00%
david s. millerdavid s. miller3414.47%120.00%
takashi iwaitakashi iwai20.85%120.00%
krzysztof heltkrzysztof helt10.43%120.00%
Total235100.00%5100.00%

/* * 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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini17793.65%133.33%
david s. millerdavid s. miller94.76%133.33%
takashi iwaitakashi iwai31.59%133.33%
Total189100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini10287.18%125.00%
david s. millerdavid s. miller97.69%125.00%
takashi iwaitakashi iwai32.56%125.00%
art haasart haas32.56%125.00%
Total117100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini17777.63%350.00%
david s. millerdavid s. miller4620.18%116.67%
takashi iwaitakashi iwai31.32%116.67%
jaroslav kyselajaroslav kysela20.88%116.67%
Total228100.00%6100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini3083.33%133.33%
takashi iwaitakashi iwai38.33%133.33%
david s. millerdavid s. miller38.33%133.33%
Total36100.00%3100.00%

/* * 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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller6695.65%250.00%
takashi iwaitakashi iwai22.90%125.00%
grant likelygrant likely11.45%125.00%
Total69100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller1973.08%133.33%
takashi iwaitakashi iwai415.38%133.33%
jaroslav kyselajaroslav kysela311.54%133.33%
Total26100.00%3100.00%

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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini24562.82%216.67%
david s. millerdavid s. miller12632.31%325.00%
grant likelygrant likely71.79%216.67%
krzysztof heltkrzysztof helt41.03%18.33%
takashi iwaitakashi iwai41.03%18.33%
ingo molnaringo molnar20.51%18.33%
thomas gleixnerthomas gleixner10.26%18.33%
christopher zimmermannchristopher zimmermann10.26%18.33%
Total390100.00%12100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini6857.14%216.67%
david s. millerdavid s. miller3428.57%325.00%
greg kroah-hartmangreg kroah-hartman54.20%18.33%
krzysztof heltkrzysztof helt43.36%18.33%
takashi iwaitakashi iwai43.36%216.67%
grant likelygrant likely32.52%216.67%
andrew mortonandrew morton10.84%18.33%
Total119100.00%12100.00%

#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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini2480.00%133.33%
david s. millerdavid s. miller413.33%133.33%
takashi iwaitakashi iwai26.67%133.33%
Total30100.00%3100.00%


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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini2686.67%133.33%
david s. millerdavid s. miller26.67%133.33%
takashi iwaitakashi iwai26.67%133.33%
Total30100.00%3100.00%

/* * 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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini2893.33%133.33%
david s. millerdavid s. miller13.33%133.33%
takashi iwaitakashi iwai13.33%133.33%
Total30100.00%3100.00%


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

Contributors

PersonTokensPropCommitsCommitProp
georg chinigeorg chini2187.50%133.33%
david s. millerdavid s. miller28.33%133.33%
takashi iwaitakashi iwai14.17%133.33%
Total24100.00%3100.00%


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

Contributors

PersonTokensPropCommitsCommitProp
georg chinigeorg chini1875.00%133.33%
david s. millerdavid s. miller520.83%133.33%
takashi iwaitakashi iwai14.17%133.33%
Total24100.00%3100.00%


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

Contributors

PersonTokensPropCommitsCommitProp
georg chinigeorg chini1257.14%133.33%
david s. millerdavid s. miller838.10%133.33%
takashi iwaitakashi iwai14.76%133.33%
Total21100.00%3100.00%

/* * 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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller11184.09%350.00%
georg chinigeorg chini1813.64%116.67%
takashi iwaitakashi iwai21.52%116.67%
grant likelygrant likely10.76%116.67%
Total132100.00%6100.00%


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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller1973.08%133.33%
takashi iwaitakashi iwai415.38%133.33%
jaroslav kyselajaroslav kysela311.54%133.33%
Total26100.00%3100.00%

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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller44375.47%436.36%
georg chinigeorg chini12421.12%19.09%
grant likelygrant likely50.85%218.18%
christopher zimmermannchristopher zimmermann50.85%19.09%
takashi iwaitakashi iwai40.68%19.09%
krzysztof heltkrzysztof helt40.68%19.09%
ingo molnaringo molnar20.34%19.09%
Total587100.00%11100.00%


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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller8888.00%225.00%
takashi iwaitakashi iwai44.00%225.00%
krzysztof heltkrzysztof helt44.00%112.50%
grant likelygrant likely33.00%225.00%
sam ravnborgsam ravnborg11.00%112.50%
Total100100.00%8100.00%

#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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller7988.76%250.00%
grant likelygrant likely1011.24%250.00%
Total89100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
david s. millerdavid s. miller3397.06%150.00%
grant likelygrant likely12.94%150.00%
Total34100.00%2100.00%

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

PersonTokensPropCommitsCommitProp
georg chinigeorg chini581654.39%47.27%
david s. millerdavid s. miller389836.45%1527.27%
takashi iwaitakashi iwai3593.36%814.55%
krzysztof heltkrzysztof helt3523.29%59.09%
christopher zimmermannchristopher zimmermann1261.18%11.82%
grant likelygrant likely390.36%59.09%
jaroslav kyselajaroslav kysela380.36%610.91%
ingo molnaringo molnar170.16%11.82%
wei yongjunwei yongjun160.15%11.82%
art haasart haas150.14%11.82%
greg kroah-hartmangreg kroah-hartman50.05%11.82%
eric sesterhenneric sesterhenn40.04%11.82%
rusty russellrusty russell40.04%23.64%
axel linaxel lin20.02%11.82%
andrew mortonandrew morton10.01%11.82%
sam ravnborgsam ravnborg10.01%11.82%
thomas gleixnerthomas gleixner10.01%11.82%
bill pembertonbill pemberton0.00%00.00%
Total10694100.00%55100.00%
Directory: sound/sparc
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.