ess.c File Reference

#include <dev/sound/pcm/sound.h>
#include <dev/sound/isa/sb.h>
#include <dev/sound/chip.h>
#include <isa/isavar.h>
#include "mixer_if.h"

Include dependency graph for ess.c:

Go to the source code of this file.

Data Structures
struct	ess_chinfo
struct	ess_info

Macros
#define	ESS_BUFFSIZE   (4096)
#define	ABS(x)   (((x) < 0)? -(x) : (x))
#define	ESS18XX_NEWSPEED

Functions
	SND_DECLARE_FILE ("$FreeBSD$")
static void	ess_lock (struct ess_info *sc)
static void	ess_unlock (struct ess_info *sc)
static int	port_rd (struct resource *port, int off)
static void	port_wr (struct resource *port, int off, u_int8_t data)
static int	ess_rd (struct ess_info *sc, int reg)
static void	ess_wr (struct ess_info *sc, int reg, u_int8_t val)
static int	ess_dspready (struct ess_info *sc)
static int	ess_dspwr (struct ess_info *sc, u_char val)
static int	ess_cmd (struct ess_info *sc, u_char val)
static int	ess_cmd1 (struct ess_info *sc, u_char cmd, int val)
static void	ess_setmixer (struct ess_info *sc, u_int port, u_int value)
static int	ess_getmixer (struct ess_info *sc, u_int port)
static int	ess_get_byte (struct ess_info *sc)
static int	ess_write (struct ess_info *sc, u_char reg, int val)
static int	ess_read (struct ess_info *sc, u_char reg)
static int	ess_reset_dsp (struct ess_info *sc)
static void	ess_release_resources (struct ess_info *sc, device_t dev)
static int	ess_alloc_resources (struct ess_info *sc, device_t dev)
static void	ess_intr (void *arg)
static u_int8_t	ess_calcspeed8 (int *spd)
static u_int8_t	ess_calcspeed9 (int *spd)
static u_int8_t	ess_calcfilter (int spd)
static int	ess_setupch (struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len)
static int	ess_start (struct ess_chinfo *ch)
static int	ess_stop (struct ess_chinfo *ch)
static void *	esschan_init (kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
static int	esschan_setformat (kobj_t obj, void *data, u_int32_t format)
static u_int32_t	esschan_setspeed (kobj_t obj, void *data, u_int32_t speed)
static u_int32_t	esschan_setblocksize (kobj_t obj, void *data, u_int32_t blocksize)
static int	esschan_trigger (kobj_t obj, void *data, int go)
static u_int32_t	esschan_getptr (kobj_t obj, void *data)
static struct pcmchan_caps *	esschan_getcaps (kobj_t obj, void *data)
	CHANNEL_DECLARE (esschan)
static int	essmix_init (struct snd_mixer *m)
static int	essmix_set (struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
static u_int32_t	essmix_setrecsrc (struct snd_mixer *m, u_int32_t src)
	MIXER_DECLARE (essmixer)
static int	ess_probe (device_t dev)
static int	ess_attach (device_t dev)
static int	ess_detach (device_t dev)
static int	ess_resume (device_t dev)
	DRIVER_MODULE (snd_ess, sbc, ess_driver, pcm_devclass, 0, 0)
	MODULE_DEPEND (snd_ess, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER)
	MODULE_DEPEND (snd_ess, snd_sbc, 1, 1, 1)
	MODULE_VERSION (snd_ess, 1)
static int	esscontrol_probe (device_t dev)
static int	esscontrol_attach (device_t dev)
static int	esscontrol_detach (device_t dev)
	DRIVER_MODULE (esscontrol, isa, esscontrol_driver, esscontrol_devclass, 0, 0)
	DRIVER_MODULE (esscontrol, acpi, esscontrol_driver, esscontrol_devclass, 0, 0)
	ISA_PNP_INFO (essc_ids)

Variables
static u_int32_t	ess_pfmt []
static struct pcmchan_caps	ess_playcaps = {6000, 48000, ess_pfmt, 0}
static u_int32_t	ess_rfmt []
static struct pcmchan_caps	ess_reccaps = {6000, 48000, ess_rfmt, 0}
static kobj_method_t	esschan_methods []
static kobj_method_t	essmixer_methods []
static device_method_t	ess_methods []
static driver_t	ess_driver
static devclass_t	esscontrol_devclass
static struct isa_pnp_id	essc_ids []
static device_method_t	esscontrol_methods []
static driver_t	esscontrol_driver

Macro Definition Documentation

ABS

#define ABS

(

x

)

(((x) < 0)? -(x) : (x))

Definition at line 50 of file ess.c.

ESS18XX_NEWSPEED

#define ESS18XX_NEWSPEED

Definition at line 56 of file ess.c.

ESS_BUFFSIZE

#define ESS_BUFFSIZE   (4096)

Definition at line 49 of file ess.c.

Function Documentation

CHANNEL_DECLARE()

CHANNEL_DECLARE

(

esschan

)

DRIVER_MODULE() [1/3]

DRIVER_MODULE	(	esscontrol	,
		acpi	,
		esscontrol_driver	,
		esscontrol_devclass	,
		0	,
		0
	)

DRIVER_MODULE() [2/3]

DRIVER_MODULE	(	esscontrol	,
		isa	,
		esscontrol_driver	,
		esscontrol_devclass	,
		0	,
		0
	)

DRIVER_MODULE() [3/3]

DRIVER_MODULE	(	snd_ess	,
		sbc	,
		ess_driver	,
		pcm_devclass	,
		0	,
		0
	)

ess_alloc_resources()

static int ess_alloc_resources ( struct ess_info *  sc, device_t  dev  )

static

Definition at line 318 of file ess.c.

References ess_info::bufsize, dev, ess_info::drq1, ess_info::drq2, ess_info::io_base, ess_info::irq, and rid.

Referenced by ess_attach().

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ess_attach()

static int ess_attach ( device_t  dev )

static

Definition at line 809 of file ess.c.

References buf, ess_info::bufsize, dev, ess_info::drq1, ess_info::drq2, ess_info::duplex, ess_alloc_resources(), ESS_BUFFSIZE, ess_getmixer(), ess_intr(), ess_rd(), ess_release_resources(), ess_reset_dsp(), ess_setmixer(), ess_info::ih, ess_info::io_base, ess_info::irq, mixer_init(), ess_info::newspeed, ess_info::parent_dev, ess_info::parent_dmat, pcm_addchan(), pcm_getbuffersize(), pcm_getflags(), PCM_KLDSTRING, pcm_register(), pcm_setflags(), pcm_setstatus(), PCMDIR_PLAY, PCMDIR_REC, SB_MIX_DATA, SD_F_SIMPLEX, snd_setup_intr(), SND_STATUSLEN, and status.

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ess_calcfilter()

static u_int8_t ess_calcfilter ( int  spd )

static

Definition at line 450 of file ess.c.

References spd.

Referenced by ess_setupch().

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ess_calcspeed8()

static u_int8_t ess_calcspeed8 ( int *  spd )

static

Definition at line 409 of file ess.c.

References spd, and speed.

Referenced by ess_setupch(), and esschan_setspeed().

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ess_calcspeed9()

static u_int8_t ess_calcspeed9 ( int *  spd )

static

Definition at line 428 of file ess.c.

References ABS, spd, and speed.

Referenced by ess_setupch(), and esschan_setspeed().

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ess_cmd()

static int ess_cmd ( struct ess_info *  sc, u_char  val  )

static

Definition at line 205 of file ess.c.

References ess_dspwr(), and val.

Referenced by ess_read(), ess_reset_dsp(), ess_start(), and ess_stop().

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ess_cmd1()

static int ess_cmd1 ( struct ess_info *  sc, u_char  cmd, int  val  )

static

Definition at line 214 of file ess.c.

References ess_dspwr(), and val.

Referenced by ess_write().

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ess_detach()

static int ess_detach ( device_t  dev )

static

Definition at line 893 of file ess.c.

References dev, ess_release_resources(), pcm_getdevinfo(), pcm_unregister(), and r.

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ess_dspready()

static int ess_dspready ( struct ess_info *  sc )

static

Definition at line 183 of file ess.c.

References ess_rd(), and SBDSP_STATUS.

Referenced by ess_dspwr().

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ess_dspwr()

static int ess_dspwr ( struct ess_info *  sc, u_char  val  )

static

Definition at line 189 of file ess.c.

References ess_dspready(), ess_wr(), SBDSP_CMD, and val.

Referenced by ess_cmd(), and ess_cmd1().

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ess_get_byte()

static int ess_get_byte ( struct ess_info *  sc )

static

Definition at line 247 of file ess.c.

References DSP_DATA_AVAIL, DSP_READ, and ess_rd().

Referenced by ess_read(), and ess_reset_dsp().

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ess_getmixer()

static int ess_getmixer ( struct ess_info *  sc, u_int  port  )

static

Definition at line 235 of file ess.c.

References ess_rd(), ess_wr(), SB_MIX_ADDR, SB_MIX_DATA, and val.

Referenced by ess_attach(), ess_intr(), ess_start(), and ess_stop().

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ess_intr()

static void ess_intr ( void *  arg )

static

Definition at line 353 of file ess.c.

References ess_chinfo::buffer, ess_chinfo::channel, chn_intr(), DSP_DATA_AVAIL, ess_getmixer(), ess_lock(), ess_rd(), ess_read(), ess_setmixer(), ess_unlock(), ess_write(), ess_chinfo::hwch, PCMTRIG_STOP, ess_info::rch, ess_chinfo::run, sndbuf_dma(), src, and ess_chinfo::stopping.

Referenced by ess_attach().

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ess_lock()

static void ess_lock ( struct ess_info *  sc )

static

Definition at line 145 of file ess.c.

References ess_info::parent_dev, and sbc_lock().

Referenced by ess_intr(), ess_start(), and ess_stop().

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ess_probe()

static int ess_probe ( device_t  dev )

static

Definition at line 789 of file ess.c.

References BD_F_ESS, dev, func, r, and SCF_PCM.

ess_rd()

static int ess_rd ( struct ess_info *  sc, int  reg  )

static

Definition at line 171 of file ess.c.

References ess_info::io_base, port_rd(), and reg.

Referenced by ess_attach(), ess_dspready(), ess_get_byte(), ess_getmixer(), and ess_intr().

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ess_read()

static int ess_read ( struct ess_info *  sc, u_char  reg  )

static

Definition at line 267 of file ess.c.

References ess_cmd(), ess_get_byte(), and reg.

Referenced by ess_intr(), ess_setupch(), ess_start(), and ess_stop().

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ess_release_resources()

static void ess_release_resources ( struct ess_info *  sc, device_t  dev  )

static

Definition at line 288 of file ess.c.

References dev, ess_info::drq1, ess_info::drq2, free, ess_info::ih, ess_info::io_base, ess_info::irq, and ess_info::parent_dmat.

Referenced by ess_attach(), and ess_detach().

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ess_reset_dsp()

static int ess_reset_dsp ( struct ess_info *  sc )

static

Definition at line 273 of file ess.c.

References DEB, ess_cmd(), ess_get_byte(), ess_wr(), ess_info::io_base, and SBDSP_RST.

Referenced by ess_attach(), and ess_resume().

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ess_resume()

static int ess_resume ( device_t  dev )

static

Definition at line 908 of file ess.c.

References dev, ess_reset_dsp(), mixer_reinit(), and pcm_getdevinfo().

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ess_setmixer()

static void ess_setmixer ( struct ess_info *  sc, u_int  port, u_int  value  )

static

Definition at line 225 of file ess.c.

References DEB, ess_wr(), SB_MIX_ADDR, SB_MIX_DATA, and value.

Referenced by ess_attach(), ess_intr(), ess_setupch(), ess_start(), ess_stop(), essmix_init(), essmix_set(), and essmix_setrecsrc().

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ess_setupch()

static int ess_setupch ( struct ess_info *  sc, int  ch, int  dir, int  spd, u_int32_t  fmt, int  len  )

static

Definition at line 461 of file ess.c.

References AFMT_16BIT, AFMT_CHANNEL, dir, ess_calcfilter(), ess_calcspeed8(), ess_calcspeed9(), ess_read(), ess_setmixer(), ess_write(), fmt, len, ess_info::newspeed, PCMDIR_PLAY, PCMDIR_REC, spd, and stereo.

Referenced by ess_start().

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ess_start()

static int ess_start ( struct ess_chinfo *  ch )

static

Definition at line 523 of file ess.c.

References ess_chinfo::blksz, ess_chinfo::dir, DSP_CMD_SPKON, ess_cmd(), ess_getmixer(), ess_lock(), ess_read(), ess_setmixer(), ess_setupch(), ess_unlock(), ess_write(), ess_chinfo::fmt, ess_chinfo::hwch, ess_chinfo::parent, PCMDIR_PLAY, ess_chinfo::spd, and ess_chinfo::stopping.

Referenced by esschan_trigger().

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ess_stop()

static int ess_stop ( struct ess_chinfo *  ch )

static

Definition at line 542 of file ess.c.

References ess_chinfo::dir, DSP_CMD_SPKOFF, ess_cmd(), ess_getmixer(), ess_lock(), ess_read(), ess_setmixer(), ess_unlock(), ess_write(), ess_chinfo::hwch, ess_chinfo::parent, PCMDIR_PLAY, and ess_chinfo::stopping.

Referenced by esschan_trigger().

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ess_unlock()

static void ess_unlock ( struct ess_info *  sc )

static

Definition at line 150 of file ess.c.

References ess_info::parent_dev, and sbc_unlock().

Referenced by ess_intr(), ess_start(), and ess_stop().

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ess_wr()

static void ess_wr ( struct ess_info *  sc, int  reg, u_int8_t  val  )

static

Definition at line 177 of file ess.c.

References ess_info::io_base, port_wr(), reg, and val.

Referenced by ess_dspwr(), ess_getmixer(), ess_reset_dsp(), and ess_setmixer().

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ess_write()

static int ess_write ( struct ess_info *  sc, u_char  reg, int  val  )

static

Definition at line 261 of file ess.c.

References ess_cmd1(), reg, and val.

Referenced by ess_intr(), ess_setupch(), ess_start(), and ess_stop().

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esschan_getcaps()

static struct pcmchan_caps * esschan_getcaps ( kobj_t  obj, void *  data  )

static

Definition at line 645 of file ess.c.

References data, ess_chinfo::dir, ess_playcaps, ess_reccaps, and PCMDIR_PLAY.

esschan_getptr()

static u_int32_t esschan_getptr ( kobj_t  obj, void *  data  )

static

Definition at line 637 of file ess.c.

References ess_chinfo::buffer, data, and sndbuf_dmaptr().

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esschan_init()

static void * esschan_init ( kobj_t  obj, void *  devinfo, struct snd_dbuf *  b, struct pcm_channel *  c, int  dir  )

static

Definition at line 562 of file ess.c.

References b, ess_chinfo::buffer, ess_info::bufsize, c, ess_chinfo::channel, devinfo, ess_chinfo::dir, dir, ess_info::drq1, ess_info::drq2, ess_info::duplex, ess_chinfo::hwch, ess_chinfo::parent, ess_info::parent_dmat, PCMDIR_PLAY, ess_info::rch, sndbuf_alloc(), and sndbuf_dmasetup().

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esschan_setblocksize()

static u_int32_t esschan_setblocksize ( kobj_t  obj, void *  data, u_int32_t  blocksize  )

static

Definition at line 604 of file ess.c.

References ess_chinfo::blksz, blocksize, and data.

esschan_setformat()

static int esschan_setformat ( kobj_t  obj, void *  data, u_int32_t  format  )

static

Definition at line 581 of file ess.c.

References data, ess_chinfo::fmt, and format.

esschan_setspeed()

static u_int32_t esschan_setspeed ( kobj_t  obj, void *  data, u_int32_t  speed  )

static

Definition at line 590 of file ess.c.

References data, ess_calcspeed8(), ess_calcspeed9(), ess_info::newspeed, ess_chinfo::parent, ess_chinfo::spd, and speed.

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esschan_trigger()

static int esschan_trigger ( kobj_t  obj, void *  data, int  go  )

static

Definition at line 613 of file ess.c.

References ess_chinfo::buffer, data, ess_start(), ess_stop(), go, PCMTRIG_ABORT, PCMTRIG_COMMON, PCMTRIG_START, PCMTRIG_STOP, ess_chinfo::run, and sndbuf_dma().

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esscontrol_attach()

static int esscontrol_attach ( device_t  dev )

static

Definition at line 968 of file ess.c.

References dev, port_rd(), port_wr(), and rid.

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esscontrol_detach()

static int esscontrol_detach ( device_t  dev )

static

Definition at line 994 of file ess.c.

esscontrol_probe()

static int esscontrol_probe ( device_t  dev )

static

Definition at line 957 of file ess.c.

References dev, and essc_ids.

essmix_init()

static int essmix_init ( struct snd_mixer *  m )

static

Definition at line 667 of file ess.c.

References ess_setmixer(), m, mix_getdevinfo(), mix_setdevs(), and mix_setrecdevs().

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essmix_set()

static int essmix_set ( struct snd_mixer *  m, unsigned  dev, unsigned  left, unsigned  right  )

static

Definition at line 684 of file ess.c.

References dev, ess_setmixer(), left, m, mix_getdevinfo(), r, and right.

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essmix_setrecsrc()

static u_int32_t essmix_setrecsrc ( struct snd_mixer *  m, u_int32_t  src  )

static

Definition at line 748 of file ess.c.

References ess_setmixer(), m, mix_getdevinfo(), and src.

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ISA_PNP_INFO()

ISA_PNP_INFO

(

essc_ids

)

MIXER_DECLARE()

MIXER_DECLARE

(

essmixer

)

MODULE_DEPEND() [1/2]

MODULE_DEPEND	(	snd_ess	,
		snd_sbc	,
		1	,
		1	,
		1
	)

MODULE_DEPEND() [2/2]

MODULE_DEPEND	(	snd_ess	,
		sound	,
		SOUND_MINVER	,
		SOUND_PREFVER	,
		SOUND_MAXVER
	)

MODULE_VERSION()

MODULE_VERSION	(	snd_ess	,
		1
	)

port_rd()

static int port_rd ( struct resource *  port, int  off  )

static

Definition at line 155 of file ess.c.

Referenced by ess_rd(), and esscontrol_attach().

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port_wr()

static void port_wr ( struct resource *  port, int  off, u_int8_t  data  )

static

Definition at line 163 of file ess.c.

References data.

Referenced by ess_wr(), and esscontrol_attach().

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SND_DECLARE_FILE()

SND_DECLARE_FILE

(

"$FreeBSD$"

)

Variable Documentation

ess_driver

driver_t ess_driver

static

Initial value:

= {
        "pcm",
        ess_methods,
        PCM_SOFTC_SIZE,
}

Definition at line 936 of file ess.c.

ess_methods

device_method_t ess_methods[]

static

Initial value:

= {
        
        DEVMETHOD(device_probe,         ess_probe),
        DEVMETHOD(device_attach,        ess_attach),
        DEVMETHOD(device_detach,        ess_detach),
        DEVMETHOD(device_resume,        ess_resume),
        { 0, 0 }
}

Definition at line 927 of file ess.c.

ess_pfmt

u_int32_t ess_pfmt[]

static

Initial value:

= {
        SND_FORMAT(AFMT_U8, 1, 0),
        SND_FORMAT(AFMT_U8, 2, 0),
        SND_FORMAT(AFMT_S8, 1, 0),
        SND_FORMAT(AFMT_S8, 2, 0),
        SND_FORMAT(AFMT_S16_LE, 1, 0),
        SND_FORMAT(AFMT_S16_LE, 2, 0),
        SND_FORMAT(AFMT_U16_LE, 1, 0),
        SND_FORMAT(AFMT_U16_LE, 2, 0),
        0
}

Definition at line 58 of file ess.c.

ess_playcaps

struct pcmchan_caps ess_playcaps = {6000, 48000, ess_pfmt, 0}

static

Definition at line 70 of file ess.c.

Referenced by esschan_getcaps().

ess_reccaps

struct pcmchan_caps ess_reccaps = {6000, 48000, ess_rfmt, 0}

static

Definition at line 84 of file ess.c.

Referenced by esschan_getcaps().

ess_rfmt

u_int32_t ess_rfmt[]

static

Initial value:

= {
        SND_FORMAT(AFMT_U8, 1, 0),
        SND_FORMAT(AFMT_U8, 2, 0),
        SND_FORMAT(AFMT_S8, 1, 0),
        SND_FORMAT(AFMT_S8, 2, 0),
        SND_FORMAT(AFMT_S16_LE, 1, 0),
        SND_FORMAT(AFMT_S16_LE, 2, 0),
        SND_FORMAT(AFMT_U16_LE, 1, 0),
        SND_FORMAT(AFMT_U16_LE, 2, 0),
        0
}

Definition at line 72 of file ess.c.

essc_ids

struct isa_pnp_id essc_ids[]

static

Initial value:

= {
        {0x06007316, "ESS Control"},
        {0}
}

Definition at line 951 of file ess.c.

Referenced by esscontrol_probe().

esschan_methods

kobj_method_t esschan_methods[]

static

Initial value:

= {
        KOBJMETHOD(channel_init,                esschan_init),
        KOBJMETHOD(channel_setformat,           esschan_setformat),
        KOBJMETHOD(channel_setspeed,            esschan_setspeed),
        KOBJMETHOD(channel_setblocksize,        esschan_setblocksize),
        KOBJMETHOD(channel_trigger,             esschan_trigger),
        KOBJMETHOD(channel_getptr,              esschan_getptr),
        KOBJMETHOD(channel_getcaps,             esschan_getcaps),
        KOBJMETHOD_END
}

Definition at line 652 of file ess.c.

esscontrol_devclass

devclass_t esscontrol_devclass

static

Definition at line 949 of file ess.c.

esscontrol_driver

driver_t esscontrol_driver

static

Initial value:

= {
        "esscontrol",
        esscontrol_methods,
        1,
}

Definition at line 1007 of file ess.c.

esscontrol_methods

device_method_t esscontrol_methods[]

static

Initial value:

= {
        
        DEVMETHOD(device_probe,         esscontrol_probe),
        DEVMETHOD(device_attach,        esscontrol_attach),
        DEVMETHOD(device_detach,        esscontrol_detach),
        { 0, 0 }
}

Definition at line 999 of file ess.c.

essmixer_methods

kobj_method_t essmixer_methods[]

static

Initial value:

= {
        KOBJMETHOD(mixer_init,          essmix_init),
        KOBJMETHOD(mixer_set,           essmix_set),
        KOBJMETHOD(mixer_setrecsrc,     essmix_setrecsrc),
        KOBJMETHOD_END
}

Definition at line 778 of file ess.c.