add idl4k kernel firmware version 1.13.0.105

kernel/sound/pcmcia/Kconfig

@@ -0,0 +1,33 @@
+# ALSA PCMCIA drivers
+
+menuconfig SND_PCMCIA
+	bool "PCMCIA sound devices"
+	depends on PCMCIA
+	default y
+	help
+	  Support for sound devices connected via the PCMCIA bus.
+
+if SND_PCMCIA && PCMCIA
+
+config SND_VXPOCKET
+	tristate "Digigram VXpocket"
+	select SND_VX_LIB
+	help
+	  Say Y here to include support for Digigram VXpocket and
+	  VXpocket 440 soundcards.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called snd-vxpocket.
+
+config SND_PDAUDIOCF
+	tristate "Sound Core PDAudioCF"
+	select SND_PCM
+	help
+	  Say Y here to include support for Sound Core PDAudioCF
+	  soundcards.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called snd-pdaudiocf.
+
+endif	# SND_PCMCIA
+

kernel/sound/pcmcia/Makefile

@@ -0,0 +1,6 @@
+#
+# Makefile for ALSA
+# Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+#
+
+obj-$(CONFIG_SND) += vx/ pdaudiocf/

kernel/sound/pcmcia/pdaudiocf/Makefile

@@ -0,0 +1,8 @@
+#
+# Makefile for ALSA
+# Copyright (c) 2004 by Jaroslav Kysela <perex@perex.cz>
+#
+
+snd-pdaudiocf-objs := pdaudiocf.o pdaudiocf_core.o pdaudiocf_irq.o pdaudiocf_pcm.o
+
+obj-$(CONFIG_SND_PDAUDIOCF) += snd-pdaudiocf.o

kernel/sound/pcmcia/pdaudiocf/pdaudiocf.c

@@ -0,0 +1,320 @@
+/*
+ * Driver for Sound Core PDAudioCF soundcard
+ *
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <sound/core.h>
+#include <linux/slab.h>
+#include <linux/moduleparam.h>
+#include <pcmcia/ciscode.h>
+#include <pcmcia/cisreg.h>
+#include "pdaudiocf.h"
+#include <sound/initval.h>
+#include <linux/init.h>
+
+/*
+ */
+
+#define CARD_NAME	"PDAudio-CF"
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("Sound Core " CARD_NAME);
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{Sound Core," CARD_NAME "}}");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable switches */
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard.");
+
+/*
+ */
+
+static struct snd_card *card_list[SNDRV_CARDS];
+
+/*
+ * prototypes
+ */
+static int pdacf_config(struct pcmcia_device *link);
+static void snd_pdacf_detach(struct pcmcia_device *p_dev);
+
+static void pdacf_release(struct pcmcia_device *link)
+{
+	pcmcia_disable_device(link);
+}
+
+/*
+ * destructor
+ */
+static int snd_pdacf_free(struct snd_pdacf *pdacf)
+{
+	struct pcmcia_device *link = pdacf->p_dev;
+
+	pdacf_release(link);
+
+	card_list[pdacf->index] = NULL;
+	pdacf->card = NULL;
+
+	kfree(pdacf);
+	return 0;
+}
+
+static int snd_pdacf_dev_free(struct snd_device *device)
+{
+	struct snd_pdacf *chip = device->device_data;
+	return snd_pdacf_free(chip);
+}
+
+/*
+ * snd_pdacf_attach - attach callback for cs
+ */
+static int snd_pdacf_probe(struct pcmcia_device *link)
+{
+	int i, err;
+	struct snd_pdacf *pdacf;
+	struct snd_card *card;
+	static struct snd_device_ops ops = {
+		.dev_free =	snd_pdacf_dev_free,
+	};
+
+	snd_printdd(KERN_DEBUG "pdacf_attach called\n");
+	/* find an empty slot from the card list */
+	for (i = 0; i < SNDRV_CARDS; i++) {
+		if (! card_list[i])
+			break;
+	}
+	if (i >= SNDRV_CARDS) {
+		snd_printk(KERN_ERR "pdacf: too many cards found\n");
+		return -EINVAL;
+	}
+	if (! enable[i])
+		return -ENODEV; /* disabled explicitly */
+
+	/* ok, create a card instance */
+	err = snd_card_create(index[i], id[i], THIS_MODULE, 0, &card);
+	if (err < 0) {
+		snd_printk(KERN_ERR "pdacf: cannot create a card instance\n");
+		return err;
+	}
+
+	pdacf = snd_pdacf_create(card);
+	if (!pdacf) {
+		snd_card_free(card);
+		return -ENOMEM;
+	}
+
+	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, pdacf, &ops);
+	if (err < 0) {
+		kfree(pdacf);
+		snd_card_free(card);
+		return err;
+	}
+
+	snd_card_set_dev(card, &handle_to_dev(link));
+
+	pdacf->index = i;
+	card_list[i] = card;
+
+	pdacf->p_dev = link;
+	link->priv = pdacf;
+
+	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+	link->io.NumPorts1 = 16;
+
+	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT | IRQ_FORCED_PULSE;
+	// link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED;
+
+	link->irq.IRQInfo1 = 0 /* | IRQ_LEVEL_ID */;
+	link->irq.Handler = pdacf_interrupt;
+	link->irq.Instance = pdacf;
+	link->conf.Attributes = CONF_ENABLE_IRQ;
+	link->conf.IntType = INT_MEMORY_AND_IO;
+	link->conf.ConfigIndex = 1;
+	link->conf.Present = PRESENT_OPTION;
+
+	return pdacf_config(link);
+}
+
+
+/**
+ * snd_pdacf_assign_resources - initialize the hardware and card instance.
+ * @port: i/o port for the card
+ * @irq: irq number for the card
+ *
+ * this function assigns the specified port and irq, boot the card,
+ * create pcm and control instances, and initialize the rest hardware.
+ *
+ * returns 0 if successful, or a negative error code.
+ */
+static int snd_pdacf_assign_resources(struct snd_pdacf *pdacf, int port, int irq)
+{
+	int err;
+	struct snd_card *card = pdacf->card;
+
+	snd_printdd(KERN_DEBUG "pdacf assign resources: port = 0x%x, irq = %d\n", port, irq);
+	pdacf->port = port;
+	pdacf->irq = irq;
+	pdacf->chip_status |= PDAUDIOCF_STAT_IS_CONFIGURED;
+
+	err = snd_pdacf_ak4117_create(pdacf);
+	if (err < 0)
+		return err;	
+
+	strcpy(card->driver, "PDAudio-CF");
+	sprintf(card->shortname, "Core Sound %s", card->driver);
+	sprintf(card->longname, "%s at 0x%x, irq %i",
+		card->shortname, port, irq);
+
+	err = snd_pdacf_pcm_new(pdacf);
+	if (err < 0)
+		return err;
+
+	if ((err = snd_card_register(card)) < 0)
+		return err;
+
+	return 0;
+}
+
+
+/*
+ * snd_pdacf_detach - detach callback for cs
+ */
+static void snd_pdacf_detach(struct pcmcia_device *link)
+{
+	struct snd_pdacf *chip = link->priv;
+
+	snd_printdd(KERN_DEBUG "pdacf_detach called\n");
+
+	if (chip->chip_status & PDAUDIOCF_STAT_IS_CONFIGURED)
+		snd_pdacf_powerdown(chip);
+	chip->chip_status |= PDAUDIOCF_STAT_IS_STALE; /* to be sure */
+	snd_card_disconnect(chip->card);
+	snd_card_free_when_closed(chip->card);
+}
+
+/*
+ * configuration callback
+ */
+
+static int pdacf_config(struct pcmcia_device *link)
+{
+	struct snd_pdacf *pdacf = link->priv;
+	int ret;
+
+	snd_printdd(KERN_DEBUG "pdacf_config called\n");
+	link->conf.ConfigIndex = 0x5;
+
+	ret = pcmcia_request_io(link, &link->io);
+	if (ret)
+		goto failed;
+
+	ret = pcmcia_request_irq(link, &link->irq);
+	if (ret)
+		goto failed;
+
+	ret = pcmcia_request_configuration(link, &link->conf);
+	if (ret)
+		goto failed;
+
+	if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
+		goto failed;
+
+	link->dev_node = &pdacf->node;
+	return 0;
+
+failed:
+	pcmcia_disable_device(link);
+	return -ENODEV;
+}
+
+#ifdef CONFIG_PM
+
+static int pdacf_suspend(struct pcmcia_device *link)
+{
+	struct snd_pdacf *chip = link->priv;
+
+	snd_printdd(KERN_DEBUG "SUSPEND\n");
+	if (chip) {
+		snd_printdd(KERN_DEBUG "snd_pdacf_suspend calling\n");
+		snd_pdacf_suspend(chip, PMSG_SUSPEND);
+	}
+
+	return 0;
+}
+
+static int pdacf_resume(struct pcmcia_device *link)
+{
+	struct snd_pdacf *chip = link->priv;
+
+	snd_printdd(KERN_DEBUG "RESUME\n");
+	if (pcmcia_dev_present(link)) {
+		if (chip) {
+			snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n");
+			snd_pdacf_resume(chip);
+		}
+	}
+	snd_printdd(KERN_DEBUG "resume done!\n");
+
+	return 0;
+}
+
+#endif
+
+/*
+ * Module entry points
+ */
+static struct pcmcia_device_id snd_pdacf_ids[] = {
+	/* this is too general PCMCIA_DEVICE_MANF_CARD(0x015d, 0x4c45), */
+	PCMCIA_DEVICE_PROD_ID12("Core Sound","PDAudio-CF",0x396d19d2,0x71717b49),
+	PCMCIA_DEVICE_NULL
+};
+MODULE_DEVICE_TABLE(pcmcia, snd_pdacf_ids);
+
+static struct pcmcia_driver pdacf_cs_driver = {
+	.owner		= THIS_MODULE,
+	.drv		= {
+		.name	= "snd-pdaudiocf",
+	},
+	.probe		= snd_pdacf_probe,
+	.remove		= snd_pdacf_detach,
+	.id_table	= snd_pdacf_ids,
+#ifdef CONFIG_PM
+	.suspend	= pdacf_suspend,
+	.resume		= pdacf_resume,
+#endif
+
+};
+
+static int __init init_pdacf(void)
+{
+	return pcmcia_register_driver(&pdacf_cs_driver);
+}
+
+static void __exit exit_pdacf(void)
+{
+	pcmcia_unregister_driver(&pdacf_cs_driver);
+}
+
+module_init(init_pdacf);
+module_exit(exit_pdacf);

kernel/sound/pcmcia/pdaudiocf/pdaudiocf.h

@@ -0,0 +1,145 @@
+/*
+ * Driver for Sound Cors PDAudioCF soundcard
+ *
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#ifndef __PDAUDIOCF_H
+#define __PDAUDIOCF_H
+
+#include <sound/pcm.h>
+#include <asm/io.h>
+#include <linux/interrupt.h>
+#include <pcmcia/cs_types.h>
+#include <pcmcia/cs.h>
+#include <pcmcia/cistpl.h>
+#include <pcmcia/ds.h>
+
+#include <sound/ak4117.h>
+
+/* PDAUDIOCF registers */
+#define PDAUDIOCF_REG_MD	0x00	/* music data, R/O */
+#define PDAUDIOCF_REG_WDP	0x02	/* write data pointer / 2, R/O */
+#define PDAUDIOCF_REG_RDP	0x04	/* read data pointer / 2, R/O */
+#define PDAUDIOCF_REG_TCR	0x06	/* test control register W/O */
+#define PDAUDIOCF_REG_SCR	0x08	/* status and control, R/W (see bit description) */
+#define PDAUDIOCF_REG_ISR	0x0a	/* interrupt status, R/O */
+#define PDAUDIOCF_REG_IER	0x0c	/* interrupt enable, R/W */
+#define PDAUDIOCF_REG_AK_IFR	0x0e	/* AK interface register, R/W */
+
+/* PDAUDIOCF_REG_TCR */
+#define PDAUDIOCF_ELIMAKMBIT	(1<<0)	/* simulate AKM music data */
+#define PDAUDIOCF_TESTDATASEL	(1<<1)	/* test data selection, 0 = 0x55, 1 = pseudo-random */
+
+/* PDAUDIOCF_REG_SCR */
+#define PDAUDIOCF_AK_SBP	(1<<0)	/* serial port busy flag */
+#define PDAUDIOCF_RST		(1<<2)	/* FPGA, AKM + SRAM buffer reset */
+#define PDAUDIOCF_PDN		(1<<3)	/* power down bit */
+#define PDAUDIOCF_CLKDIV0	(1<<4)	/* choose 24.576Mhz clock divided by 1,2,3 or 4 */
+#define PDAUDIOCF_CLKDIV1	(1<<5)
+#define PDAUDIOCF_RECORD	(1<<6)	/* start capturing to SRAM */
+#define PDAUDIOCF_AK_SDD	(1<<7)	/* music data detected */
+#define PDAUDIOCF_RED_LED_OFF	(1<<8)	/* red LED off override */
+#define PDAUDIOCF_BLUE_LED_OFF	(1<<9)	/* blue LED off override */
+#define PDAUDIOCF_DATAFMT0	(1<<10)	/* data format bits: 00 = 16-bit, 01 = 18-bit */
+#define PDAUDIOCF_DATAFMT1	(1<<11)	/* 10 = 20-bit, 11 = 24-bit, all right justified */
+#define PDAUDIOCF_FPGAREV(x)	((x>>12)&0x0f) /* FPGA revision */
+
+/* PDAUDIOCF_REG_ISR */
+#define PDAUDIOCF_IRQLVL	(1<<0)	/* Buffer level IRQ */
+#define PDAUDIOCF_IRQOVR	(1<<1)	/* Overrun IRQ */
+#define PDAUDIOCF_IRQAKM	(1<<2)	/* AKM IRQ */
+
+/* PDAUDIOCF_REG_IER */
+#define PDAUDIOCF_IRQLVLEN0	(1<<0)	/* fill threshold levels; 00 = none, 01 = 1/8th of buffer */
+#define PDAUDIOCF_IRQLVLEN1	(1<<1)	/* 10 = 1/4th of buffer, 11 = 1/2th of buffer */
+#define PDAUDIOCF_IRQOVREN	(1<<2)	/* enable overrun IRQ */
+#define PDAUDIOCF_IRQAKMEN	(1<<3)	/* enable AKM IRQ */
+#define PDAUDIOCF_BLUEDUTY0	(1<<8)	/* blue LED duty cycle; 00 = 100%, 01 = 50% */
+#define PDAUDIOCF_BLUEDUTY1	(1<<9)	/* 02 = 25%, 11 = 12% */
+#define PDAUDIOCF_REDDUTY0	(1<<10)	/* red LED duty cycle; 00 = 100%, 01 = 50% */
+#define PDAUDIOCF_REDDUTY1	(1<<11)	/* 02 = 25%, 11 = 12% */
+#define PDAUDIOCF_BLUESDD	(1<<12)	/* blue LED against SDD bit */
+#define PDAUDIOCF_BLUEMODULATE	(1<<13)	/* save power when 100% duty cycle selected */
+#define PDAUDIOCF_REDMODULATE	(1<<14)	/* save power when 100% duty cycle selected */
+#define PDAUDIOCF_HALFRATE	(1<<15)	/* slow both LED blinks by half (also spdif detect rate) */
+
+/* chip status */
+#define PDAUDIOCF_STAT_IS_STALE	(1<<0)
+#define PDAUDIOCF_STAT_IS_CONFIGURED (1<<1)
+#define PDAUDIOCF_STAT_IS_SUSPENDED (1<<2)
+
+struct snd_pdacf {
+	struct snd_card *card;
+	int index;
+
+	unsigned long port;
+	int irq;
+
+	spinlock_t reg_lock;
+	unsigned short regmap[8];
+	unsigned short suspend_reg_scr;
+	struct tasklet_struct tq;
+
+	spinlock_t ak4117_lock;
+	struct ak4117 *ak4117;
+
+	unsigned int chip_status;
+
+	struct snd_pcm *pcm;
+	struct snd_pcm_substream *pcm_substream;
+	unsigned int pcm_running: 1;
+	unsigned int pcm_channels;
+	unsigned int pcm_swab;
+	unsigned int pcm_little;
+	unsigned int pcm_frame;
+	unsigned int pcm_sample;
+	unsigned int pcm_xor;
+	unsigned int pcm_size;
+	unsigned int pcm_period;
+	unsigned int pcm_tdone;
+	unsigned int pcm_hwptr;
+	void *pcm_area;
+	
+	/* pcmcia stuff */
+	struct pcmcia_device	*p_dev;
+	dev_node_t node;
+};
+
+static inline void pdacf_reg_write(struct snd_pdacf *chip, unsigned char reg, unsigned short val)
+{
+	outw(chip->regmap[reg>>1] = val, chip->port + reg);
+}
+
+static inline unsigned short pdacf_reg_read(struct snd_pdacf *chip, unsigned char reg)
+{
+	return inw(chip->port + reg);
+}
+
+struct snd_pdacf *snd_pdacf_create(struct snd_card *card);
+int snd_pdacf_ak4117_create(struct snd_pdacf *pdacf);
+void snd_pdacf_powerdown(struct snd_pdacf *chip);
+#ifdef CONFIG_PM
+int snd_pdacf_suspend(struct snd_pdacf *chip, pm_message_t state);
+int snd_pdacf_resume(struct snd_pdacf *chip);
+#endif
+int snd_pdacf_pcm_new(struct snd_pdacf *chip);
+irqreturn_t pdacf_interrupt(int irq, void *dev);
+void pdacf_tasklet(unsigned long private_data);
+void pdacf_reinit(struct snd_pdacf *chip, int resume);
+
+#endif /* __PDAUDIOCF_H */

kernel/sound/pcmcia/pdaudiocf/pdaudiocf_core.c

@@ -0,0 +1,297 @@
+/*
+ * Driver for Sound Core PDAudioCF soundcard
+ *
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/delay.h>
+#include <sound/core.h>
+#include <sound/info.h>
+#include "pdaudiocf.h"
+#include <sound/initval.h>
+
+/*
+ *
+ */
+static unsigned char pdacf_ak4117_read(void *private_data, unsigned char reg)
+{
+	struct snd_pdacf *chip = private_data;
+	unsigned long timeout;
+	unsigned long flags;
+	unsigned char res;
+
+	spin_lock_irqsave(&chip->ak4117_lock, flags);
+	timeout = 1000;
+	while (pdacf_reg_read(chip, PDAUDIOCF_REG_SCR) & PDAUDIOCF_AK_SBP) {
+		udelay(5);
+		if (--timeout == 0) {
+			spin_unlock_irqrestore(&chip->ak4117_lock, flags);
+			snd_printk(KERN_ERR "AK4117 ready timeout (read)\n");
+			return 0;
+		}
+	}
+	pdacf_reg_write(chip, PDAUDIOCF_REG_AK_IFR, (u16)reg << 8);
+	timeout = 1000;
+	while (pdacf_reg_read(chip, PDAUDIOCF_REG_SCR) & PDAUDIOCF_AK_SBP) {
+		udelay(5);
+		if (--timeout == 0) {
+			spin_unlock_irqrestore(&chip->ak4117_lock, flags);
+			snd_printk(KERN_ERR "AK4117 read timeout (read2)\n");
+			return 0;
+		}
+	}
+	res = (unsigned char)pdacf_reg_read(chip, PDAUDIOCF_REG_AK_IFR);
+	spin_unlock_irqrestore(&chip->ak4117_lock, flags);
+	return res;
+}
+
+static void pdacf_ak4117_write(void *private_data, unsigned char reg, unsigned char val)
+{
+	struct snd_pdacf *chip = private_data;
+	unsigned long timeout;
+	unsigned long flags;
+
+	spin_lock_irqsave(&chip->ak4117_lock, flags);
+	timeout = 1000;
+	while (inw(chip->port + PDAUDIOCF_REG_SCR) & PDAUDIOCF_AK_SBP) {
+		udelay(5);
+		if (--timeout == 0) {
+			spin_unlock_irqrestore(&chip->ak4117_lock, flags);
+			snd_printk(KERN_ERR "AK4117 ready timeout (write)\n");
+			return;
+		}
+	}
+	outw((u16)reg << 8 | val | (1<<13), chip->port + PDAUDIOCF_REG_AK_IFR);
+	spin_unlock_irqrestore(&chip->ak4117_lock, flags);
+}
+
+#if 0
+void pdacf_dump(struct snd_pdacf *chip)
+{
+	printk(KERN_DEBUG "PDAUDIOCF DUMP (0x%lx):\n", chip->port);
+	printk(KERN_DEBUG "WPD         : 0x%x\n",
+	       inw(chip->port + PDAUDIOCF_REG_WDP));
+	printk(KERN_DEBUG "RDP         : 0x%x\n",
+	       inw(chip->port + PDAUDIOCF_REG_RDP));
+	printk(KERN_DEBUG "TCR         : 0x%x\n",
+	       inw(chip->port + PDAUDIOCF_REG_TCR));
+	printk(KERN_DEBUG "SCR         : 0x%x\n",
+	       inw(chip->port + PDAUDIOCF_REG_SCR));
+	printk(KERN_DEBUG "ISR         : 0x%x\n",
+	       inw(chip->port + PDAUDIOCF_REG_ISR));
+	printk(KERN_DEBUG "IER         : 0x%x\n",
+	       inw(chip->port + PDAUDIOCF_REG_IER));
+	printk(KERN_DEBUG "AK_IFR      : 0x%x\n",
+	       inw(chip->port + PDAUDIOCF_REG_AK_IFR));
+}
+#endif
+
+static int pdacf_reset(struct snd_pdacf *chip, int powerdown)
+{
+	u16 val;
+	
+	val = pdacf_reg_read(chip, PDAUDIOCF_REG_SCR);
+	val |= PDAUDIOCF_PDN;
+	val &= ~PDAUDIOCF_RECORD;		/* for sure */
+	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);
+	udelay(5);
+	val |= PDAUDIOCF_RST;
+	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);
+	udelay(200);
+	val &= ~PDAUDIOCF_RST;
+	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);
+	udelay(5);
+	if (!powerdown) {
+		val &= ~PDAUDIOCF_PDN;
+		pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);
+		udelay(200);
+	}
+	return 0;
+}
+
+void pdacf_reinit(struct snd_pdacf *chip, int resume)
+{
+	pdacf_reset(chip, 0);
+	if (resume)
+		pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, chip->suspend_reg_scr);
+	snd_ak4117_reinit(chip->ak4117);
+	pdacf_reg_write(chip, PDAUDIOCF_REG_TCR, chip->regmap[PDAUDIOCF_REG_TCR>>1]);
+	pdacf_reg_write(chip, PDAUDIOCF_REG_IER, chip->regmap[PDAUDIOCF_REG_IER>>1]);
+}
+
+static void pdacf_proc_read(struct snd_info_entry * entry,
+                            struct snd_info_buffer *buffer)
+{
+	struct snd_pdacf *chip = entry->private_data;
+	u16 tmp;
+
+	snd_iprintf(buffer, "PDAudioCF\n\n");
+	tmp = pdacf_reg_read(chip, PDAUDIOCF_REG_SCR);
+	snd_iprintf(buffer, "FPGA revision      : 0x%x\n", PDAUDIOCF_FPGAREV(tmp));
+	                                   
+}
+
+static void pdacf_proc_init(struct snd_pdacf *chip)
+{
+	struct snd_info_entry *entry;
+
+	if (! snd_card_proc_new(chip->card, "pdaudiocf", &entry))
+		snd_info_set_text_ops(entry, chip, pdacf_proc_read);
+}
+
+struct snd_pdacf *snd_pdacf_create(struct snd_card *card)
+{
+	struct snd_pdacf *chip;
+
+	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+	if (chip == NULL)
+		return NULL;
+	chip->card = card;
+	spin_lock_init(&chip->reg_lock);
+	spin_lock_init(&chip->ak4117_lock);
+	tasklet_init(&chip->tq, pdacf_tasklet, (unsigned long)chip);
+	card->private_data = chip;
+
+	pdacf_proc_init(chip);
+	return chip;
+}
+
+static void snd_pdacf_ak4117_change(struct ak4117 *ak4117, unsigned char c0, unsigned char c1)
+{
+	struct snd_pdacf *chip = ak4117->change_callback_private;
+	unsigned long flags;
+	u16 val;
+
+	if (!(c0 & AK4117_UNLCK))
+		return;
+	spin_lock_irqsave(&chip->reg_lock, flags);
+	val = chip->regmap[PDAUDIOCF_REG_SCR>>1];
+	if (ak4117->rcs0 & AK4117_UNLCK)
+		val |= PDAUDIOCF_BLUE_LED_OFF;
+	else
+		val &= ~PDAUDIOCF_BLUE_LED_OFF;
+	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);
+	spin_unlock_irqrestore(&chip->reg_lock, flags);
+}
+
+int snd_pdacf_ak4117_create(struct snd_pdacf *chip)
+{
+	int err;
+	u16 val;
+	/* design note: if we unmask PLL unlock, parity, valid, audio or auto bit interrupts */
+	/* from AK4117 then INT1 pin from AK4117 will be high all time, because PCMCIA interrupts are */
+	/* egde based and FPGA does logical OR for all interrupt sources, we cannot use these */
+	/* high-rate sources */
+	static unsigned char pgm[5] = {
+		AK4117_XTL_24_576M | AK4117_EXCT,				/* AK4117_REG_PWRDN */
+		AK4117_CM_PLL_XTAL | AK4117_PKCS_128fs | AK4117_XCKS_128fs,	/* AK4117_REQ_CLOCK */
+		AK4117_EFH_1024LRCLK | AK4117_DIF_24R | AK4117_IPS,		/* AK4117_REG_IO */
+		0xff,								/* AK4117_REG_INT0_MASK */
+		AK4117_MAUTO | AK4117_MAUD | AK4117_MULK | AK4117_MPAR | AK4117_MV, /* AK4117_REG_INT1_MASK */
+	};
+
+	err = pdacf_reset(chip, 0);
+	if (err < 0)
+		return err;
+	err = snd_ak4117_create(chip->card, pdacf_ak4117_read, pdacf_ak4117_write, pgm, chip, &chip->ak4117);
+	if (err < 0)
+		return err;
+
+	val = pdacf_reg_read(chip, PDAUDIOCF_REG_TCR);
+#if 1 /* normal operation */
+	val &= ~(PDAUDIOCF_ELIMAKMBIT|PDAUDIOCF_TESTDATASEL);
+#else /* debug */
+	val |= PDAUDIOCF_ELIMAKMBIT;
+	val &= ~PDAUDIOCF_TESTDATASEL;
+#endif
+	pdacf_reg_write(chip, PDAUDIOCF_REG_TCR, val);
+	
+	/* setup the FPGA to match AK4117 setup */
+	val = pdacf_reg_read(chip, PDAUDIOCF_REG_SCR);
+	val &= ~(PDAUDIOCF_CLKDIV0 | PDAUDIOCF_CLKDIV1);		/* use 24.576Mhz clock */
+	val &= ~(PDAUDIOCF_RED_LED_OFF|PDAUDIOCF_BLUE_LED_OFF);
+	val |= PDAUDIOCF_DATAFMT0 | PDAUDIOCF_DATAFMT1;			/* 24-bit data */
+	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);
+
+	/* setup LEDs and IRQ */
+	val = pdacf_reg_read(chip, PDAUDIOCF_REG_IER);
+	val &= ~(PDAUDIOCF_IRQLVLEN0 | PDAUDIOCF_IRQLVLEN1);
+	val &= ~(PDAUDIOCF_BLUEDUTY0 | PDAUDIOCF_REDDUTY0 | PDAUDIOCF_REDDUTY1);
+	val |= PDAUDIOCF_BLUEDUTY1 | PDAUDIOCF_HALFRATE;
+	val |= PDAUDIOCF_IRQOVREN | PDAUDIOCF_IRQAKMEN;
+	pdacf_reg_write(chip, PDAUDIOCF_REG_IER, val);
+
+	chip->ak4117->change_callback_private = chip;
+	chip->ak4117->change_callback = snd_pdacf_ak4117_change;
+
+	/* update LED status */
+	snd_pdacf_ak4117_change(chip->ak4117, AK4117_UNLCK, 0);
+
+	return 0;
+}
+
+void snd_pdacf_powerdown(struct snd_pdacf *chip)
+{
+	u16 val;
+
+	val = pdacf_reg_read(chip, PDAUDIOCF_REG_SCR);
+	chip->suspend_reg_scr = val;
+	val |= PDAUDIOCF_RED_LED_OFF | PDAUDIOCF_BLUE_LED_OFF;
+	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);
+	/* disable interrupts, but use direct write to preserve old register value in chip->regmap */
+	val = inw(chip->port + PDAUDIOCF_REG_IER);
+	val &= ~(PDAUDIOCF_IRQOVREN|PDAUDIOCF_IRQAKMEN|PDAUDIOCF_IRQLVLEN0|PDAUDIOCF_IRQLVLEN1);
+	outw(val, chip->port + PDAUDIOCF_REG_IER);
+	pdacf_reset(chip, 1);
+}
+
+#ifdef CONFIG_PM
+
+int snd_pdacf_suspend(struct snd_pdacf *chip, pm_message_t state)
+{
+	u16 val;
+	
+	snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);
+	snd_pcm_suspend_all(chip->pcm);
+	/* disable interrupts, but use direct write to preserve old register value in chip->regmap */
+	val = inw(chip->port + PDAUDIOCF_REG_IER);
+	val &= ~(PDAUDIOCF_IRQOVREN|PDAUDIOCF_IRQAKMEN|PDAUDIOCF_IRQLVLEN0|PDAUDIOCF_IRQLVLEN1);
+	outw(val, chip->port + PDAUDIOCF_REG_IER);
+	chip->chip_status |= PDAUDIOCF_STAT_IS_SUSPENDED;	/* ignore interrupts from now */
+	snd_pdacf_powerdown(chip);
+	return 0;
+}
+
+static inline int check_signal(struct snd_pdacf *chip)
+{
+	return (chip->ak4117->rcs0 & AK4117_UNLCK) == 0;
+}
+
+int snd_pdacf_resume(struct snd_pdacf *chip)
+{
+	int timeout = 40;
+
+	pdacf_reinit(chip, 1);
+	/* wait for AK4117's PLL */
+	while (timeout-- > 0 &&
+	       (snd_ak4117_external_rate(chip->ak4117) <= 0 || !check_signal(chip)))
+		mdelay(1);
+	chip->chip_status &= ~PDAUDIOCF_STAT_IS_SUSPENDED;
+	snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0);
+	return 0;
+}
+#endif

kernel/sound/pcmcia/pdaudiocf/pdaudiocf_irq.c

@@ -0,0 +1,325 @@
+/*
+ * Driver for Sound Core PDAudioCF soundcard
+ *
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <sound/core.h>
+#include "pdaudiocf.h"
+#include <sound/initval.h>
+#include <asm/irq_regs.h>
+
+/*
+ *
+ */
+irqreturn_t pdacf_interrupt(int irq, void *dev)
+{
+	struct snd_pdacf *chip = dev;
+	unsigned short stat;
+
+	if ((chip->chip_status & (PDAUDIOCF_STAT_IS_STALE|
+				  PDAUDIOCF_STAT_IS_CONFIGURED|
+				  PDAUDIOCF_STAT_IS_SUSPENDED)) != PDAUDIOCF_STAT_IS_CONFIGURED)
+		return IRQ_HANDLED;	/* IRQ_NONE here? */
+
+	stat = inw(chip->port + PDAUDIOCF_REG_ISR);
+	if (stat & (PDAUDIOCF_IRQLVL|PDAUDIOCF_IRQOVR)) {
+		if (stat & PDAUDIOCF_IRQOVR)	/* should never happen */
+			snd_printk(KERN_ERR "PDAUDIOCF SRAM buffer overrun detected!\n");
+		if (chip->pcm_substream)
+			tasklet_schedule(&chip->tq);
+		if (!(stat & PDAUDIOCF_IRQAKM))
+			stat |= PDAUDIOCF_IRQAKM;	/* check rate */
+	}
+	if (get_irq_regs() != NULL)
+		snd_ak4117_check_rate_and_errors(chip->ak4117, 0);
+	return IRQ_HANDLED;
+}
+
+static inline void pdacf_transfer_mono16(u16 *dst, u16 xor, unsigned int size, unsigned long rdp_port)
+{
+	while (size-- > 0) {
+		*dst++ = inw(rdp_port) ^ xor;
+		inw(rdp_port);
+	}
+}
+
+static inline void pdacf_transfer_mono32(u32 *dst, u32 xor, unsigned int size, unsigned long rdp_port)
+{
+	register u16 val1, val2;
+
+	while (size-- > 0) {
+		val1 = inw(rdp_port);
+		val2 = inw(rdp_port);
+		inw(rdp_port);
+		*dst++ = ((((u32)val2 & 0xff) << 24) | ((u32)val1 << 8)) ^ xor;
+	}
+}
+
+static inline void pdacf_transfer_stereo16(u16 *dst, u16 xor, unsigned int size, unsigned long rdp_port)
+{
+	while (size-- > 0) {
+		*dst++ = inw(rdp_port) ^ xor;
+		*dst++ = inw(rdp_port) ^ xor;
+	}
+}
+
+static inline void pdacf_transfer_stereo32(u32 *dst, u32 xor, unsigned int size, unsigned long rdp_port)
+{
+	register u16 val1, val2, val3;
+
+	while (size-- > 0) {
+		val1 = inw(rdp_port);
+		val2 = inw(rdp_port);
+		val3 = inw(rdp_port);
+		*dst++ = ((((u32)val2 & 0xff) << 24) | ((u32)val1 << 8)) ^ xor;
+		*dst++ = (((u32)val3 << 16) | (val2 & 0xff00)) ^ xor;
+	}
+}
+
+static inline void pdacf_transfer_mono16sw(u16 *dst, u16 xor, unsigned int size, unsigned long rdp_port)
+{
+	while (size-- > 0) {
+		*dst++ = swab16(inw(rdp_port) ^ xor);
+		inw(rdp_port);
+	}
+}
+
+static inline void pdacf_transfer_mono32sw(u32 *dst, u32 xor, unsigned int size, unsigned long rdp_port)
+{
+	register u16 val1, val2;
+
+	while (size-- > 0) {
+		val1 = inw(rdp_port);
+		val2 = inw(rdp_port);
+		inw(rdp_port);
+		*dst++ = swab32((((val2 & 0xff) << 24) | ((u32)val1 << 8)) ^ xor);
+	}
+}
+
+static inline void pdacf_transfer_stereo16sw(u16 *dst, u16 xor, unsigned int size, unsigned long rdp_port)
+{
+	while (size-- > 0) {
+		*dst++ = swab16(inw(rdp_port) ^ xor);
+		*dst++ = swab16(inw(rdp_port) ^ xor);
+	}
+}
+
+static inline void pdacf_transfer_stereo32sw(u32 *dst, u32 xor, unsigned int size, unsigned long rdp_port)
+{
+	register u16 val1, val2, val3;
+
+	while (size-- > 0) {
+		val1 = inw(rdp_port);
+		val2 = inw(rdp_port);
+		val3 = inw(rdp_port);
+		*dst++ = swab32((((val2 & 0xff) << 24) | ((u32)val1 << 8)) ^ xor);
+		*dst++ = swab32((((u32)val3 << 16) | (val2 & 0xff00)) ^ xor);
+	}
+}
+
+static inline void pdacf_transfer_mono24le(u8 *dst, u16 xor, unsigned int size, unsigned long rdp_port)
+{
+	register u16 val1, val2;
+	register u32 xval1;
+
+	while (size-- > 0) {
+		val1 = inw(rdp_port);
+		val2 = inw(rdp_port);
+		inw(rdp_port);
+		xval1 = (((val2 & 0xff) << 8) | (val1 << 16)) ^ xor;
+		*dst++ = (u8)(xval1 >> 8);
+		*dst++ = (u8)(xval1 >> 16);
+		*dst++ = (u8)(xval1 >> 24);
+	}
+}
+
+static inline void pdacf_transfer_mono24be(u8 *dst, u16 xor, unsigned int size, unsigned long rdp_port)
+{
+	register u16 val1, val2;
+	register u32 xval1;
+
+	while (size-- > 0) {
+		val1 = inw(rdp_port);
+		val2 = inw(rdp_port);
+		inw(rdp_port);
+		xval1 = (((val2 & 0xff) << 8) | (val1 << 16)) ^ xor;
+		*dst++ = (u8)(xval1 >> 24);
+		*dst++ = (u8)(xval1 >> 16);
+		*dst++ = (u8)(xval1 >> 8);
+	}
+}
+
+static inline void pdacf_transfer_stereo24le(u8 *dst, u32 xor, unsigned int size, unsigned long rdp_port)
+{
+	register u16 val1, val2, val3;
+	register u32 xval1, xval2;
+
+	while (size-- > 0) {
+		val1 = inw(rdp_port);
+		val2 = inw(rdp_port);
+		val3 = inw(rdp_port);
+		xval1 = ((((u32)val2 & 0xff) << 24) | ((u32)val1 << 8)) ^ xor;
+		xval2 = (((u32)val3 << 16) | (val2 & 0xff00)) ^ xor;
+		*dst++ = (u8)(xval1 >> 8);
+		*dst++ = (u8)(xval1 >> 16);
+		*dst++ = (u8)(xval1 >> 24);
+		*dst++ = (u8)(xval2 >> 8);
+		*dst++ = (u8)(xval2 >> 16);
+		*dst++ = (u8)(xval2 >> 24);
+	}
+}
+
+static inline void pdacf_transfer_stereo24be(u8 *dst, u32 xor, unsigned int size, unsigned long rdp_port)
+{
+	register u16 val1, val2, val3;
+	register u32 xval1, xval2;
+
+	while (size-- > 0) {
+		val1 = inw(rdp_port);
+		val2 = inw(rdp_port);
+		val3 = inw(rdp_port);
+		xval1 = ((((u32)val2 & 0xff) << 24) | ((u32)val1 << 8)) ^ xor;
+		xval2 = (((u32)val3 << 16) | (val2 & 0xff00)) ^ xor;
+		*dst++ = (u8)(xval1 >> 24);
+		*dst++ = (u8)(xval1 >> 16);
+		*dst++ = (u8)(xval1 >> 8);
+		*dst++ = (u8)(xval2 >> 24);
+		*dst++ = (u8)(xval2 >> 16);
+		*dst++ = (u8)(xval2 >> 8);
+	}
+}
+
+static void pdacf_transfer(struct snd_pdacf *chip, unsigned int size, unsigned int off)
+{
+	unsigned long rdp_port = chip->port + PDAUDIOCF_REG_MD;
+	unsigned int xor = chip->pcm_xor;
+
+	if (chip->pcm_sample == 3) {
+		if (chip->pcm_little) {
+			if (chip->pcm_channels == 1) {
+				pdacf_transfer_mono24le((char *)chip->pcm_area + (off * 3), xor, size, rdp_port);
+			} else {
+				pdacf_transfer_stereo24le((char *)chip->pcm_area + (off * 6), xor, size, rdp_port);
+			}
+		} else {
+			if (chip->pcm_channels == 1) {
+				pdacf_transfer_mono24be((char *)chip->pcm_area + (off * 3), xor, size, rdp_port);
+			} else {
+				pdacf_transfer_stereo24be((char *)chip->pcm_area + (off * 6), xor, size, rdp_port);
+			}			
+		}
+		return;
+	}
+	if (chip->pcm_swab == 0) {
+		if (chip->pcm_channels == 1) {
+			if (chip->pcm_frame == 2) {
+				pdacf_transfer_mono16((u16 *)chip->pcm_area + off, xor, size, rdp_port);
+			} else {
+				pdacf_transfer_mono32((u32 *)chip->pcm_area + off, xor, size, rdp_port);
+			}
+		} else {
+			if (chip->pcm_frame == 2) {
+				pdacf_transfer_stereo16((u16 *)chip->pcm_area + (off * 2), xor, size, rdp_port);
+			} else {
+				pdacf_transfer_stereo32((u32 *)chip->pcm_area + (off * 2), xor, size, rdp_port);
+			}
+		}
+	} else {
+		if (chip->pcm_channels == 1) {
+			if (chip->pcm_frame == 2) {
+				pdacf_transfer_mono16sw((u16 *)chip->pcm_area + off, xor, size, rdp_port);
+			} else {
+				pdacf_transfer_mono32sw((u32 *)chip->pcm_area + off, xor, size, rdp_port);
+			}
+		} else {
+			if (chip->pcm_frame == 2) {
+				pdacf_transfer_stereo16sw((u16 *)chip->pcm_area + (off * 2), xor, size, rdp_port);
+			} else {
+				pdacf_transfer_stereo32sw((u32 *)chip->pcm_area + (off * 2), xor, size, rdp_port);
+			}
+		}
+	}
+}
+
+void pdacf_tasklet(unsigned long private_data)
+{
+	struct snd_pdacf *chip = (struct snd_pdacf *) private_data;
+	int size, off, cont, rdp, wdp;
+
+	if ((chip->chip_status & (PDAUDIOCF_STAT_IS_STALE|PDAUDIOCF_STAT_IS_CONFIGURED)) != PDAUDIOCF_STAT_IS_CONFIGURED)
+		return;
+	
+	if (chip->pcm_substream == NULL || chip->pcm_substream->runtime == NULL || !snd_pcm_running(chip->pcm_substream))
+		return;
+
+	rdp = inw(chip->port + PDAUDIOCF_REG_RDP);
+	wdp = inw(chip->port + PDAUDIOCF_REG_WDP);
+	/* printk(KERN_DEBUG "TASKLET: rdp = %x, wdp = %x\n", rdp, wdp); */
+	size = wdp - rdp;
+	if (size < 0)
+		size += 0x10000;
+	if (size == 0)
+		size = 0x10000;
+	size /= chip->pcm_frame;
+	if (size > 64)
+		size -= 32;
+
+#if 0
+	chip->pcm_hwptr += size;
+	chip->pcm_hwptr %= chip->pcm_size;
+	chip->pcm_tdone += size;
+	if (chip->pcm_frame == 2) {
+		unsigned long rdp_port = chip->port + PDAUDIOCF_REG_MD;
+		while (size-- > 0) {
+			inw(rdp_port);
+			inw(rdp_port);
+		}
+	} else {
+		unsigned long rdp_port = chip->port + PDAUDIOCF_REG_MD;
+		while (size-- > 0) {
+			inw(rdp_port);
+			inw(rdp_port);
+			inw(rdp_port);
+		}
+	}
+#else
+	off = chip->pcm_hwptr + chip->pcm_tdone;
+	off %= chip->pcm_size;
+	chip->pcm_tdone += size;
+	while (size > 0) {
+		cont = chip->pcm_size - off;
+		if (cont > size)
+			cont = size;
+		pdacf_transfer(chip, cont, off);
+		off += cont;
+		off %= chip->pcm_size;
+		size -= cont;
+	}
+#endif
+	spin_lock(&chip->reg_lock);
+	while (chip->pcm_tdone >= chip->pcm_period) {
+		chip->pcm_hwptr += chip->pcm_period;
+		chip->pcm_hwptr %= chip->pcm_size;
+		chip->pcm_tdone -= chip->pcm_period;
+		spin_unlock(&chip->reg_lock);
+		snd_pcm_period_elapsed(chip->pcm_substream);
+		spin_lock(&chip->reg_lock);
+	}
+	spin_unlock(&chip->reg_lock);
+	/* printk(KERN_DEBUG "TASKLET: end\n"); */
+}

kernel/sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c

@@ -0,0 +1,350 @@
+/*
+ * Driver for Sound Core PDAudioCF soundcards
+ *
+ * PCM part
+ *
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/delay.h>
+#include <sound/core.h>
+#include <sound/asoundef.h>
+#include "pdaudiocf.h"
+
+
+/*
+ * we use a vmalloc'ed (sg-)buffer
+ */
+
+/* get the physical page pointer on the given offset */
+static struct page *snd_pcm_get_vmalloc_page(struct snd_pcm_substream *subs, unsigned long offset)
+{
+	void *pageptr = subs->runtime->dma_area + offset;
+	return vmalloc_to_page(pageptr);
+}
+
+/*
+ * hw_params callback
+ * NOTE: this may be called not only once per pcm open!
+ */
+static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs, size_t size)
+{
+	struct snd_pcm_runtime *runtime = subs->runtime;
+	if (runtime->dma_area) {
+		if (runtime->dma_bytes >= size)
+			return 0; /* already enough large */
+		vfree(runtime->dma_area);
+	}
+	runtime->dma_area = vmalloc_32_user(size);
+	if (! runtime->dma_area)
+		return -ENOMEM;
+	runtime->dma_bytes = size;
+	return 0;
+}
+
+/*
+ * hw_free callback
+ * NOTE: this may be called not only once per pcm open!
+ */
+static int snd_pcm_free_vmalloc_buffer(struct snd_pcm_substream *subs)
+{
+	struct snd_pcm_runtime *runtime = subs->runtime;
+
+	vfree(runtime->dma_area);
+	runtime->dma_area = NULL;
+	return 0;
+}
+
+/*
+ * clear the SRAM contents
+ */
+static int pdacf_pcm_clear_sram(struct snd_pdacf *chip)
+{
+	int max_loop = 64 * 1024;
+
+	while (inw(chip->port + PDAUDIOCF_REG_RDP) != inw(chip->port + PDAUDIOCF_REG_WDP)) {
+		if (max_loop-- < 0)
+			return -EIO;
+		inw(chip->port + PDAUDIOCF_REG_MD);
+	}
+	return 0;
+}
+
+/*
+ * pdacf_pcm_trigger - trigger callback for capture
+ */
+static int pdacf_pcm_trigger(struct snd_pcm_substream *subs, int cmd)
+{
+	struct snd_pdacf *chip = snd_pcm_substream_chip(subs);
+	struct snd_pcm_runtime *runtime = subs->runtime;
+	int inc, ret = 0, rate;
+	unsigned short mask, val, tmp;
+
+	if (chip->chip_status & PDAUDIOCF_STAT_IS_STALE)
+		return -EBUSY;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+		chip->pcm_hwptr = 0;
+		chip->pcm_tdone = 0;
+		/* fall thru */
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+	case SNDRV_PCM_TRIGGER_RESUME:
+		mask = 0;
+		val = PDAUDIOCF_RECORD;
+		inc = 1;
+		rate = snd_ak4117_check_rate_and_errors(chip->ak4117, AK4117_CHECK_NO_STAT|AK4117_CHECK_NO_RATE);
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+		mask = PDAUDIOCF_RECORD;
+		val = 0;
+		inc = -1;
+		rate = 0;
+		break;
+	default:
+		return -EINVAL;
+	}
+	spin_lock(&chip->reg_lock);
+	chip->pcm_running += inc;
+	tmp = pdacf_reg_read(chip, PDAUDIOCF_REG_SCR);
+	if (chip->pcm_running) {
+		if ((chip->ak4117->rcs0 & AK4117_UNLCK) || runtime->rate != rate) {
+			chip->pcm_running -= inc;
+			ret = -EIO;
+			goto __end;
+		}
+	}
+	tmp &= ~mask;
+	tmp |= val;
+	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, tmp);
+      __end:
+	spin_unlock(&chip->reg_lock);
+	snd_ak4117_check_rate_and_errors(chip->ak4117, AK4117_CHECK_NO_RATE);
+	return ret;
+}
+
+/*
+ * pdacf_pcm_hw_params - hw_params callback for playback and capture
+ */
+static int pdacf_pcm_hw_params(struct snd_pcm_substream *subs,
+				     struct snd_pcm_hw_params *hw_params)
+{
+	return snd_pcm_alloc_vmalloc_buffer(subs, params_buffer_bytes(hw_params));
+}
+
+/*
+ * pdacf_pcm_hw_free - hw_free callback for playback and capture
+ */
+static int pdacf_pcm_hw_free(struct snd_pcm_substream *subs)
+{
+	return snd_pcm_free_vmalloc_buffer(subs);
+}
+
+/*
+ * pdacf_pcm_prepare - prepare callback for playback and capture
+ */
+static int pdacf_pcm_prepare(struct snd_pcm_substream *subs)
+{
+	struct snd_pdacf *chip = snd_pcm_substream_chip(subs);
+	struct snd_pcm_runtime *runtime = subs->runtime;
+	u16 val, nval, aval;
+
+	if (chip->chip_status & PDAUDIOCF_STAT_IS_STALE)
+		return -EBUSY;
+
+	chip->pcm_channels = runtime->channels;
+
+	chip->pcm_little = snd_pcm_format_little_endian(runtime->format) > 0;
+#ifdef SNDRV_LITTLE_ENDIAN
+	chip->pcm_swab = snd_pcm_format_big_endian(runtime->format) > 0;
+#else
+	chip->pcm_swab = chip->pcm_little;
+#endif
+
+	if (snd_pcm_format_unsigned(runtime->format))
+		chip->pcm_xor = 0x80008000;
+
+	if (pdacf_pcm_clear_sram(chip) < 0)
+		return -EIO;
+	
+	val = nval = pdacf_reg_read(chip, PDAUDIOCF_REG_SCR);
+	nval &= ~(PDAUDIOCF_DATAFMT0|PDAUDIOCF_DATAFMT1);
+	switch (runtime->format) {
+	case SNDRV_PCM_FORMAT_S16_LE:
+	case SNDRV_PCM_FORMAT_S16_BE:
+		break;
+	default: /* 24-bit */
+		nval |= PDAUDIOCF_DATAFMT0 | PDAUDIOCF_DATAFMT1;
+		break;
+	}
+	aval = 0;
+	chip->pcm_sample = 4;
+	switch (runtime->format) {
+	case SNDRV_PCM_FORMAT_S16_LE:
+	case SNDRV_PCM_FORMAT_S16_BE:
+		aval = AK4117_DIF_16R;
+		chip->pcm_frame = 2;
+		chip->pcm_sample = 2;
+		break;
+	case SNDRV_PCM_FORMAT_S24_3LE:
+	case SNDRV_PCM_FORMAT_S24_3BE:
+		chip->pcm_sample = 3;
+		/* fall through */
+	default: /* 24-bit */
+		aval = AK4117_DIF_24R;
+		chip->pcm_frame = 3;
+		chip->pcm_xor &= 0xffff0000;
+		break;
+	}
+
+	if (val != nval) {
+		snd_ak4117_reg_write(chip->ak4117, AK4117_REG_IO, AK4117_DIF2|AK4117_DIF1|AK4117_DIF0, aval);
+		pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, nval);
+	}
+
+	val = pdacf_reg_read(chip,  PDAUDIOCF_REG_IER);
+	val &= ~(PDAUDIOCF_IRQLVLEN1);
+	val |= PDAUDIOCF_IRQLVLEN0;
+	pdacf_reg_write(chip, PDAUDIOCF_REG_IER, val);
+
+	chip->pcm_size = runtime->buffer_size;
+	chip->pcm_period = runtime->period_size;
+	chip->pcm_area = runtime->dma_area;
+
+	return 0;
+}
+
+
+/*
+ * capture hw information
+ */
+
+static struct snd_pcm_hardware pdacf_pcm_capture_hw = {
+	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
+				 SNDRV_PCM_INFO_MMAP_VALID |
+				 SNDRV_PCM_INFO_BATCH),
+	.formats =		SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
+				SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
+				SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE,
+	.rates =		SNDRV_PCM_RATE_32000 |
+				SNDRV_PCM_RATE_44100 |
+				SNDRV_PCM_RATE_48000 |
+				SNDRV_PCM_RATE_88200 |
+				SNDRV_PCM_RATE_96000 |
+				SNDRV_PCM_RATE_176400 |
+				SNDRV_PCM_RATE_192000,
+	.rate_min =		32000,
+	.rate_max =		192000,
+	.channels_min =		1,
+	.channels_max =		2,
+	.buffer_bytes_max =	(512*1024),
+	.period_bytes_min =	8*1024,
+	.period_bytes_max =	(64*1024),
+	.periods_min =		2,
+	.periods_max =		128,
+	.fifo_size =		0,
+};
+
+
+/*
+ * pdacf_pcm_capture_open - open callback for capture
+ */
+static int pdacf_pcm_capture_open(struct snd_pcm_substream *subs)
+{
+	struct snd_pcm_runtime *runtime = subs->runtime;
+	struct snd_pdacf *chip = snd_pcm_substream_chip(subs);
+
+	if (chip->chip_status & PDAUDIOCF_STAT_IS_STALE)
+		return -EBUSY;
+
+	runtime->hw = pdacf_pcm_capture_hw;
+	runtime->private_data = chip;
+	chip->pcm_substream = subs;
+
+	return 0;
+}
+
+/*
+ * pdacf_pcm_capture_close - close callback for capture
+ */
+static int pdacf_pcm_capture_close(struct snd_pcm_substream *subs)
+{
+	struct snd_pdacf *chip = snd_pcm_substream_chip(subs);
+
+	if (!chip)
+		return -EINVAL;
+	pdacf_reinit(chip, 0);
+	chip->pcm_substream = NULL;
+	return 0;
+}
+
+
+/*
+ * pdacf_pcm_capture_pointer - pointer callback for capture
+ */
+static snd_pcm_uframes_t pdacf_pcm_capture_pointer(struct snd_pcm_substream *subs)
+{
+	struct snd_pdacf *chip = snd_pcm_substream_chip(subs);
+	return chip->pcm_hwptr;
+}
+
+/*
+ * operators for PCM capture
+ */
+static struct snd_pcm_ops pdacf_pcm_capture_ops = {
+	.open =		pdacf_pcm_capture_open,
+	.close =	pdacf_pcm_capture_close,
+	.ioctl =	snd_pcm_lib_ioctl,
+	.hw_params =	pdacf_pcm_hw_params,
+	.hw_free =	pdacf_pcm_hw_free,
+	.prepare =	pdacf_pcm_prepare,
+	.trigger =	pdacf_pcm_trigger,
+	.pointer =	pdacf_pcm_capture_pointer,
+	.page =		snd_pcm_get_vmalloc_page,
+};
+
+
+/*
+ * snd_pdacf_pcm_new - create and initialize a pcm
+ */
+int snd_pdacf_pcm_new(struct snd_pdacf *chip)
+{
+	struct snd_pcm *pcm;
+	int err;
+
+	err = snd_pcm_new(chip->card, "PDAudioCF", 0, 0, 1, &pcm);
+	if (err < 0)
+		return err;
+		
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pdacf_pcm_capture_ops);
+
+	pcm->private_data = chip;
+	pcm->info_flags = 0;
+	strcpy(pcm->name, chip->card->shortname);
+	chip->pcm = pcm;
+	
+	err = snd_ak4117_build(chip->ak4117, pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
+	if (err < 0)
+		return err;
+
+	return 0;
+}

kernel/sound/pcmcia/vx/Makefile

@@ -0,0 +1,8 @@
+#
+# Makefile for ALSA
+# Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+#
+
+snd-vxpocket-objs := vxpocket.o vxp_ops.o vxp_mixer.o
+
+obj-$(CONFIG_SND_VXPOCKET) += snd-vxpocket.o

kernel/sound/pcmcia/vx/vxp_mixer.c

@@ -0,0 +1,151 @@
+/*
+ * Driver for Digigram VXpocket soundcards
+ *
+ * VX-pocket mixer
+ *
+ * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/tlv.h>
+#include "vxpocket.h"
+
+#define MIC_LEVEL_MIN	0
+#define MIC_LEVEL_MAX	8
+
+/*
+ * mic level control (for VXPocket)
+ */
+static int vx_mic_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 1;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = MIC_LEVEL_MAX;
+	return 0;
+}
+
+static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+	ucontrol->value.integer.value[0] = chip->mic_level;
+	return 0;
+}
+
+static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+	unsigned int val = ucontrol->value.integer.value[0];
+
+	if (val > MIC_LEVEL_MAX)
+		return -EINVAL;
+	mutex_lock(&_chip->mixer_mutex);
+	if (chip->mic_level != ucontrol->value.integer.value[0]) {
+		vx_set_mic_level(_chip, ucontrol->value.integer.value[0]);
+		chip->mic_level = ucontrol->value.integer.value[0];
+		mutex_unlock(&_chip->mixer_mutex);
+		return 1;
+	}
+	mutex_unlock(&_chip->mixer_mutex);
+	return 0;
+}
+
+static const DECLARE_TLV_DB_SCALE(db_scale_mic, -21, 3, 0);
+
+static struct snd_kcontrol_new vx_control_mic_level = {
+	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
+	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
+			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+	.name =		"Mic Capture Volume",
+	.info =		vx_mic_level_info,
+	.get =		vx_mic_level_get,
+	.put =		vx_mic_level_put,
+	.tlv = { .p = db_scale_mic },
+};
+
+/*
+ * mic boost level control (for VXP440)
+ */
+#define vx_mic_boost_info		snd_ctl_boolean_mono_info
+
+static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+	ucontrol->value.integer.value[0] = chip->mic_level;
+	return 0;
+}
+
+static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+	int val = !!ucontrol->value.integer.value[0];
+	mutex_lock(&_chip->mixer_mutex);
+	if (chip->mic_level != val) {
+		vx_set_mic_boost(_chip, val);
+		chip->mic_level = val;
+		mutex_unlock(&_chip->mixer_mutex);
+		return 1;
+	}
+	mutex_unlock(&_chip->mixer_mutex);
+	return 0;
+}
+
+static struct snd_kcontrol_new vx_control_mic_boost = {
+	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
+	.name =		"Mic Boost",
+	.info =		vx_mic_boost_info,
+	.get =		vx_mic_boost_get,
+	.put =		vx_mic_boost_put,
+};
+
+
+int vxp_add_mic_controls(struct vx_core *_chip)
+{
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+	int err;
+
+	/* mute input levels */
+	chip->mic_level = 0;
+	switch (_chip->type) {
+	case VX_TYPE_VXPOCKET:
+		vx_set_mic_level(_chip, 0);
+		break;
+	case VX_TYPE_VXP440:
+		vx_set_mic_boost(_chip, 0);
+		break;
+	}
+
+	/* mic level */
+	switch (_chip->type) {
+	case VX_TYPE_VXPOCKET:
+		if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_level, chip))) < 0)
+			return err;
+		break;
+	case VX_TYPE_VXP440:
+		if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_boost, chip))) < 0)
+			return err;
+		break;
+	}
+
+	return 0;
+}
+

kernel/sound/pcmcia/vx/vxp_ops.c

@@ -0,0 +1,614 @@
+/*
+ * Driver for Digigram VXpocket soundcards
+ *
+ * lowlevel routines for VXpocket soundcards
+ *
+ * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/firmware.h>
+#include <sound/core.h>
+#include <asm/io.h>
+#include "vxpocket.h"
+
+
+static int vxp_reg_offset[VX_REG_MAX] = {
+	[VX_ICR]	= 0x00,		// ICR
+	[VX_CVR]	= 0x01,		// CVR
+	[VX_ISR]	= 0x02,		// ISR
+	[VX_IVR]	= 0x03,		// IVR
+	[VX_RXH]	= 0x05,		// RXH
+	[VX_RXM]	= 0x06,		// RXM
+	[VX_RXL]	= 0x07,		// RXL
+	[VX_DMA]	= 0x04,		// DMA
+	[VX_CDSP]	= 0x08,		// CDSP
+	[VX_LOFREQ]	= 0x09,		// LFREQ
+	[VX_HIFREQ]	= 0x0a,		// HFREQ
+	[VX_DATA]	= 0x0b,		// DATA
+	[VX_MICRO]	= 0x0c,		// MICRO
+	[VX_DIALOG]	= 0x0d,		// DIALOG
+	[VX_CSUER]	= 0x0e,		// CSUER
+	[VX_RUER]	= 0x0f,		// RUER
+};
+
+
+static inline unsigned long vxp_reg_addr(struct vx_core *_chip, int reg)
+{
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+	return chip->port + vxp_reg_offset[reg];
+}
+
+/*
+ * snd_vx_inb - read a byte from the register
+ * @offset: register offset
+ */
+static unsigned char vxp_inb(struct vx_core *chip, int offset)
+{
+	return inb(vxp_reg_addr(chip, offset));
+}
+
+/*
+ * snd_vx_outb - write a byte on the register
+ * @offset: the register offset
+ * @val: the value to write
+ */
+static void vxp_outb(struct vx_core *chip, int offset, unsigned char val)
+{
+	outb(val, vxp_reg_addr(chip, offset));
+}
+
+/*
+ * redefine macros to call directly
+ */
+#undef vx_inb
+#define vx_inb(chip,reg)	vxp_inb((struct vx_core *)(chip), VX_##reg)
+#undef vx_outb
+#define vx_outb(chip,reg,val)	vxp_outb((struct vx_core *)(chip), VX_##reg,val)
+
+
+/*
+ * vx_check_magic - check the magic word on xilinx
+ *
+ * returns zero if a magic word is detected, or a negative error code.
+ */
+static int vx_check_magic(struct vx_core *chip)
+{
+	unsigned long end_time = jiffies + HZ / 5;
+	int c;
+	do {
+		c = vx_inb(chip, CDSP);
+		if (c == CDSP_MAGIC)
+			return 0;
+		msleep(10);
+	} while (time_after_eq(end_time, jiffies));
+	snd_printk(KERN_ERR "cannot find xilinx magic word (%x)\n", c);
+	return -EIO;
+}
+
+
+/*
+ * vx_reset_dsp - reset the DSP
+ */
+
+#define XX_DSP_RESET_WAIT_TIME		2	/* ms */
+
+static void vxp_reset_dsp(struct vx_core *_chip)
+{
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+
+	/* set the reset dsp bit to 1 */
+	vx_outb(chip, CDSP, chip->regCDSP | VXP_CDSP_DSP_RESET_MASK);
+	vx_inb(chip, CDSP);
+	mdelay(XX_DSP_RESET_WAIT_TIME);
+	/* reset the bit */
+	chip->regCDSP &= ~VXP_CDSP_DSP_RESET_MASK;
+	vx_outb(chip, CDSP, chip->regCDSP);
+	vx_inb(chip, CDSP);
+	mdelay(XX_DSP_RESET_WAIT_TIME);
+}
+
+/*
+ * reset codec bit
+ */
+static void vxp_reset_codec(struct vx_core *_chip)
+{
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+
+	/* Set the reset CODEC bit to 1. */
+	vx_outb(chip, CDSP, chip->regCDSP | VXP_CDSP_CODEC_RESET_MASK);
+	vx_inb(chip, CDSP);
+	msleep(10);
+	/* Set the reset CODEC bit to 0. */
+	chip->regCDSP &= ~VXP_CDSP_CODEC_RESET_MASK;
+	vx_outb(chip, CDSP, chip->regCDSP);
+	vx_inb(chip, CDSP);
+	msleep(1);
+}
+
+/*
+ * vx_load_xilinx_binary - load the xilinx binary image
+ * the binary image is the binary array converted from the bitstream file.
+ */
+static int vxp_load_xilinx_binary(struct vx_core *_chip, const struct firmware *fw)
+{
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+	unsigned int i;
+	int c;
+	int regCSUER, regRUER;
+	const unsigned char *image;
+	unsigned char data;
+
+	/* Switch to programmation mode */
+	chip->regDIALOG |= VXP_DLG_XILINX_REPROG_MASK;
+	vx_outb(chip, DIALOG, chip->regDIALOG);
+
+	/* Save register CSUER and RUER */
+	regCSUER = vx_inb(chip, CSUER);
+	regRUER = vx_inb(chip, RUER);
+
+	/* reset HF0 and HF1 */
+	vx_outb(chip, ICR, 0);
+
+	/* Wait for answer HF2 equal to 1 */
+	snd_printdd(KERN_DEBUG "check ISR_HF2\n");
+	if (vx_check_isr(_chip, ISR_HF2, ISR_HF2, 20) < 0)
+		goto _error;
+
+	/* set HF1 for loading xilinx binary */
+	vx_outb(chip, ICR, ICR_HF1);
+	image = fw->data;
+	for (i = 0; i < fw->size; i++, image++) {
+		data = *image;
+		if (vx_wait_isr_bit(_chip, ISR_TX_EMPTY) < 0)
+			goto _error;
+		vx_outb(chip, TXL, data);
+		/* wait for reading */
+		if (vx_wait_for_rx_full(_chip) < 0)
+			goto _error;
+		c = vx_inb(chip, RXL);
+		if (c != (int)data)
+			snd_printk(KERN_ERR "vxpocket: load xilinx mismatch at %d: 0x%x != 0x%x\n", i, c, (int)data);
+        }
+
+	/* reset HF1 */
+	vx_outb(chip, ICR, 0);
+
+	/* wait for HF3 */
+	if (vx_check_isr(_chip, ISR_HF3, ISR_HF3, 20) < 0)
+		goto _error;
+
+	/* read the number of bytes received */
+	if (vx_wait_for_rx_full(_chip) < 0)
+		goto _error;
+
+	c = (int)vx_inb(chip, RXH) << 16;
+	c |= (int)vx_inb(chip, RXM) << 8;
+	c |= vx_inb(chip, RXL);
+
+	snd_printdd(KERN_DEBUG "xilinx: dsp size received 0x%x, orig 0x%Zx\n", c, fw->size);
+
+	vx_outb(chip, ICR, ICR_HF0);
+
+	/* TEMPO 250ms : wait until Xilinx is downloaded */
+	msleep(300);
+
+	/* test magical word */
+	if (vx_check_magic(_chip) < 0)
+		goto _error;
+
+	/* Restore register 0x0E and 0x0F (thus replacing COR and FCSR) */
+	vx_outb(chip, CSUER, regCSUER);
+	vx_outb(chip, RUER, regRUER);
+
+	/* Reset the Xilinx's signal enabling IO access */
+	chip->regDIALOG |= VXP_DLG_XILINX_REPROG_MASK;
+	vx_outb(chip, DIALOG, chip->regDIALOG);
+	vx_inb(chip, DIALOG);
+	msleep(10);
+	chip->regDIALOG &= ~VXP_DLG_XILINX_REPROG_MASK;
+	vx_outb(chip, DIALOG, chip->regDIALOG);
+	vx_inb(chip, DIALOG);
+
+	/* Reset of the Codec */
+	vxp_reset_codec(_chip);
+	vx_reset_dsp(_chip);
+
+	return 0;
+
+ _error:
+	vx_outb(chip, CSUER, regCSUER);
+	vx_outb(chip, RUER, regRUER);
+	chip->regDIALOG &= ~VXP_DLG_XILINX_REPROG_MASK;
+	vx_outb(chip, DIALOG, chip->regDIALOG);
+	return -EIO;
+}
+
+
+/*
+ * vxp_load_dsp - load_dsp callback
+ */
+static int vxp_load_dsp(struct vx_core *vx, int index, const struct firmware *fw)
+{
+	int err;
+
+	switch (index) {
+	case 0:
+		/* xilinx boot */
+		if ((err = vx_check_magic(vx)) < 0)
+			return err;
+		if ((err = snd_vx_load_boot_image(vx, fw)) < 0)
+			return err;
+		return 0;
+	case 1:
+		/* xilinx image */
+		return vxp_load_xilinx_binary(vx, fw);
+	case 2:
+		/* DSP boot */
+		return snd_vx_dsp_boot(vx, fw);
+	case 3:
+		/* DSP image */
+		return snd_vx_dsp_load(vx, fw);
+	default:
+		snd_BUG();
+		return -EINVAL;
+	}
+}
+		
+
+/*
+ * vx_test_and_ack - test and acknowledge interrupt
+ *
+ * called from irq hander, too
+ *
+ * spinlock held!
+ */
+static int vxp_test_and_ack(struct vx_core *_chip)
+{
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+
+	/* not booted yet? */
+	if (! (_chip->chip_status & VX_STAT_XILINX_LOADED))
+		return -ENXIO;
+
+	if (! (vx_inb(chip, DIALOG) & VXP_DLG_MEMIRQ_MASK))
+		return -EIO;
+	
+	/* ok, interrupts generated, now ack it */
+	/* set ACQUIT bit up and down */
+	vx_outb(chip, DIALOG, chip->regDIALOG | VXP_DLG_ACK_MEMIRQ_MASK);
+	/* useless read just to spend some time and maintain
+	 * the ACQUIT signal up for a while ( a bus cycle )
+	 */
+	vx_inb(chip, DIALOG);
+	vx_outb(chip, DIALOG, chip->regDIALOG & ~VXP_DLG_ACK_MEMIRQ_MASK);
+
+	return 0;
+}
+
+
+/*
+ * vx_validate_irq - enable/disable IRQ
+ */
+static void vxp_validate_irq(struct vx_core *_chip, int enable)
+{
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+
+	/* Set the interrupt enable bit to 1 in CDSP register */
+	if (enable)
+		chip->regCDSP |= VXP_CDSP_VALID_IRQ_MASK;
+	else
+		chip->regCDSP &= ~VXP_CDSP_VALID_IRQ_MASK;
+	vx_outb(chip, CDSP, chip->regCDSP);
+}
+
+/*
+ * vx_setup_pseudo_dma - set up the pseudo dma read/write mode.
+ * @do_write: 0 = read, 1 = set up for DMA write
+ */
+static void vx_setup_pseudo_dma(struct vx_core *_chip, int do_write)
+{
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+
+	/* Interrupt mode and HREQ pin enabled for host transmit / receive data transfers */
+	vx_outb(chip, ICR, do_write ? ICR_TREQ : ICR_RREQ);
+	/* Reset the pseudo-dma register */
+	vx_inb(chip, ISR);
+	vx_outb(chip, ISR, 0);
+
+	/* Select DMA in read/write transfer mode and in 16-bit accesses */
+	chip->regDIALOG |= VXP_DLG_DMA16_SEL_MASK;
+	chip->regDIALOG |= do_write ? VXP_DLG_DMAWRITE_SEL_MASK : VXP_DLG_DMAREAD_SEL_MASK;
+	vx_outb(chip, DIALOG, chip->regDIALOG);
+
+}
+
+/*
+ * vx_release_pseudo_dma - disable the pseudo-DMA mode
+ */
+static void vx_release_pseudo_dma(struct vx_core *_chip)
+{
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+
+	/* Disable DMA and 16-bit accesses */
+	chip->regDIALOG &= ~(VXP_DLG_DMAWRITE_SEL_MASK|
+			     VXP_DLG_DMAREAD_SEL_MASK|
+			     VXP_DLG_DMA16_SEL_MASK);
+	vx_outb(chip, DIALOG, chip->regDIALOG);
+	/* HREQ pin disabled. */
+	vx_outb(chip, ICR, 0);
+}
+
+/*
+ * vx_pseudo_dma_write - write bulk data on pseudo-DMA mode
+ * @count: data length to transfer in bytes
+ *
+ * data size must be aligned to 6 bytes to ensure the 24bit alignment on DSP.
+ * NB: call with a certain lock!
+ */
+static void vxp_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
+			  struct vx_pipe *pipe, int count)
+{
+	long port = vxp_reg_addr(chip, VX_DMA);
+	int offset = pipe->hw_ptr;
+	unsigned short *addr = (unsigned short *)(runtime->dma_area + offset);
+
+	vx_setup_pseudo_dma(chip, 1);
+	if (offset + count > pipe->buffer_bytes) {
+		int length = pipe->buffer_bytes - offset;
+		count -= length;
+		length >>= 1; /* in 16bit words */
+		/* Transfer using pseudo-dma. */
+		while (length-- > 0) {
+			outw(cpu_to_le16(*addr), port);
+			addr++;
+		}
+		addr = (unsigned short *)runtime->dma_area;
+		pipe->hw_ptr = 0;
+	}
+	pipe->hw_ptr += count;
+	count >>= 1; /* in 16bit words */
+	/* Transfer using pseudo-dma. */
+	while (count-- > 0) {
+		outw(cpu_to_le16(*addr), port);
+		addr++;
+	}
+	vx_release_pseudo_dma(chip);
+}
+
+
+/*
+ * vx_pseudo_dma_read - read bulk data on pseudo DMA mode
+ * @offset: buffer offset in bytes
+ * @count: data length to transfer in bytes
+ *
+ * the read length must be aligned to 6 bytes, as well as write.
+ * NB: call with a certain lock!
+ */
+static void vxp_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
+			 struct vx_pipe *pipe, int count)
+{
+	struct snd_vxpocket *pchip = (struct snd_vxpocket *)chip;
+	long port = vxp_reg_addr(chip, VX_DMA);
+	int offset = pipe->hw_ptr;
+	unsigned short *addr = (unsigned short *)(runtime->dma_area + offset);
+
+	if (snd_BUG_ON(count % 2))
+		return;
+	vx_setup_pseudo_dma(chip, 0);
+	if (offset + count > pipe->buffer_bytes) {
+		int length = pipe->buffer_bytes - offset;
+		count -= length;
+		length >>= 1; /* in 16bit words */
+		/* Transfer using pseudo-dma. */
+		while (length-- > 0)
+			*addr++ = le16_to_cpu(inw(port));
+		addr = (unsigned short *)runtime->dma_area;
+		pipe->hw_ptr = 0;
+	}
+	pipe->hw_ptr += count;
+	count >>= 1; /* in 16bit words */
+	/* Transfer using pseudo-dma. */
+	while (count-- > 1)
+		*addr++ = le16_to_cpu(inw(port));
+	/* Disable DMA */
+	pchip->regDIALOG &= ~VXP_DLG_DMAREAD_SEL_MASK;
+	vx_outb(chip, DIALOG, pchip->regDIALOG);
+	/* Read the last word (16 bits) */
+	*addr = le16_to_cpu(inw(port));
+	/* Disable 16-bit accesses */
+	pchip->regDIALOG &= ~VXP_DLG_DMA16_SEL_MASK;
+	vx_outb(chip, DIALOG, pchip->regDIALOG);
+	/* HREQ pin disabled. */
+	vx_outb(chip, ICR, 0);
+}
+
+
+/*
+ * write a codec data (24bit)
+ */
+static void vxp_write_codec_reg(struct vx_core *chip, int codec, unsigned int data)
+{
+	int i;
+
+	/* Activate access to the corresponding codec register */
+	if (! codec)
+		vx_inb(chip, LOFREQ);
+	else
+		vx_inb(chip, CODEC2);
+		
+	/* We have to send 24 bits (3 x 8 bits). Start with most signif. Bit */
+	for (i = 0; i < 24; i++, data <<= 1)
+		vx_outb(chip, DATA, ((data & 0x800000) ? VX_DATA_CODEC_MASK : 0));
+	
+	/* Terminate access to codec registers */
+	vx_inb(chip, HIFREQ);
+}
+
+
+/*
+ * vx_set_mic_boost - set mic boost level (on vxp440 only)
+ * @boost: 0 = 20dB, 1 = +38dB
+ */
+void vx_set_mic_boost(struct vx_core *chip, int boost)
+{
+	struct snd_vxpocket *pchip = (struct snd_vxpocket *)chip;
+	unsigned long flags;
+
+	if (chip->chip_status & VX_STAT_IS_STALE)
+		return;
+
+	spin_lock_irqsave(&chip->lock, flags);
+	if (pchip->regCDSP & P24_CDSP_MICS_SEL_MASK) {
+		if (boost) {
+			/* boost: 38 dB */
+			pchip->regCDSP &= ~P24_CDSP_MIC20_SEL_MASK;
+			pchip->regCDSP |=  P24_CDSP_MIC38_SEL_MASK;
+		} else {
+			/* minimum value: 20 dB */
+			pchip->regCDSP |=  P24_CDSP_MIC20_SEL_MASK;
+			pchip->regCDSP &= ~P24_CDSP_MIC38_SEL_MASK;
+                }
+		vx_outb(chip, CDSP, pchip->regCDSP);
+	}
+	spin_unlock_irqrestore(&chip->lock, flags);
+}
+
+/*
+ * remap the linear value (0-8) to the actual value (0-15)
+ */
+static int vx_compute_mic_level(int level)
+{
+	switch (level) {
+	case 5: level = 6 ; break;
+	case 6: level = 8 ; break;
+	case 7: level = 11; break;
+	case 8: level = 15; break;
+	default: break ;
+	}
+	return level;
+}
+
+/*
+ * vx_set_mic_level - set mic level (on vxpocket only)
+ * @level: the mic level = 0 - 8 (max)
+ */
+void vx_set_mic_level(struct vx_core *chip, int level)
+{
+	struct snd_vxpocket *pchip = (struct snd_vxpocket *)chip;
+	unsigned long flags;
+
+	if (chip->chip_status & VX_STAT_IS_STALE)
+		return;
+
+	spin_lock_irqsave(&chip->lock, flags);
+	if (pchip->regCDSP & VXP_CDSP_MIC_SEL_MASK) {
+		level = vx_compute_mic_level(level);
+		vx_outb(chip, MICRO, level);
+	}
+	spin_unlock_irqrestore(&chip->lock, flags);
+}
+
+
+/*
+ * change the input audio source
+ */
+static void vxp_change_audio_source(struct vx_core *_chip, int src)
+{
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+
+	switch (src) {
+	case VX_AUDIO_SRC_DIGITAL:
+		chip->regCDSP |= VXP_CDSP_DATAIN_SEL_MASK;
+		vx_outb(chip, CDSP, chip->regCDSP);
+		break;
+	case VX_AUDIO_SRC_LINE:
+		chip->regCDSP &= ~VXP_CDSP_DATAIN_SEL_MASK;
+		if (_chip->type == VX_TYPE_VXP440)
+			chip->regCDSP &= ~P24_CDSP_MICS_SEL_MASK;
+		else
+			chip->regCDSP &= ~VXP_CDSP_MIC_SEL_MASK;
+		vx_outb(chip, CDSP, chip->regCDSP);
+		break;
+	case VX_AUDIO_SRC_MIC:
+		chip->regCDSP &= ~VXP_CDSP_DATAIN_SEL_MASK;
+		/* reset mic levels */
+		if (_chip->type == VX_TYPE_VXP440) {
+			chip->regCDSP &= ~P24_CDSP_MICS_SEL_MASK;
+			if (chip->mic_level)
+				chip->regCDSP |=  P24_CDSP_MIC38_SEL_MASK;
+			else
+				chip->regCDSP |= P24_CDSP_MIC20_SEL_MASK;
+			vx_outb(chip, CDSP, chip->regCDSP);
+		} else {
+			chip->regCDSP |= VXP_CDSP_MIC_SEL_MASK;
+			vx_outb(chip, CDSP, chip->regCDSP);
+			vx_outb(chip, MICRO, vx_compute_mic_level(chip->mic_level));
+		}
+		break;
+	}
+}
+
+/*
+ * change the clock source
+ * source = INTERNAL_QUARTZ or UER_SYNC
+ */
+static void vxp_set_clock_source(struct vx_core *_chip, int source)
+{
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+
+	if (source == INTERNAL_QUARTZ)
+		chip->regCDSP &= ~VXP_CDSP_CLOCKIN_SEL_MASK;
+	else
+		chip->regCDSP |= VXP_CDSP_CLOCKIN_SEL_MASK;
+	vx_outb(chip, CDSP, chip->regCDSP);
+}
+
+
+/*
+ * reset the board
+ */
+static void vxp_reset_board(struct vx_core *_chip, int cold_reset)
+{
+	struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+
+	chip->regCDSP = 0;
+	chip->regDIALOG = 0;
+}
+
+
+/*
+ * callbacks
+ */
+/* exported */
+struct snd_vx_ops snd_vxpocket_ops = {
+	.in8 = vxp_inb,
+	.out8 = vxp_outb,
+	.test_and_ack = vxp_test_and_ack,
+	.validate_irq = vxp_validate_irq,
+	.write_codec = vxp_write_codec_reg,
+	.reset_codec = vxp_reset_codec,
+	.change_audio_source = vxp_change_audio_source,
+	.set_clock_source = vxp_set_clock_source,
+	.load_dsp = vxp_load_dsp,
+	.add_controls = vxp_add_mic_controls,
+	.reset_dsp = vxp_reset_dsp,
+	.reset_board = vxp_reset_board,
+	.dma_write = vxp_dma_write,
+	.dma_read = vxp_dma_read,
+};

kernel/sound/pcmcia/vx/vxpocket.c

@@ -0,0 +1,391 @@
+/*
+ * Driver for Digigram VXpocket V2/440 soundcards
+ *
+ * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+
+#include <linux/init.h>
+#include <linux/moduleparam.h>
+#include <sound/core.h>
+#include "vxpocket.h"
+#include <pcmcia/ciscode.h>
+#include <pcmcia/cisreg.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+
+/*
+ */
+
+MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
+MODULE_DESCRIPTION("Digigram VXPocket");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable switches */
+static int ibl[SNDRV_CARDS];
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
+module_param_array(ibl, int, NULL, 0444);
+MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
+ 
+
+/*
+ */
+
+static unsigned int card_alloc;
+
+
+/*
+ */
+static void vxpocket_release(struct pcmcia_device *link)
+{
+	pcmcia_disable_device(link);
+}
+
+/*
+ * destructor, called from snd_card_free_when_closed()
+ */
+static int snd_vxpocket_dev_free(struct snd_device *device)
+{
+	struct vx_core *chip = device->device_data;
+
+	snd_vx_free_firmware(chip);
+	kfree(chip);
+	return 0;
+}
+
+
+/*
+ * Hardware information
+ */
+
+/* VX-pocket V2
+ *
+ * 1 DSP, 1 sync UER
+ * 1 programmable clock (NIY)
+ * 1 stereo analog input (line/micro)
+ * 1 stereo analog output
+ * Only output levels can be modified
+ */
+
+static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
+
+static struct snd_vx_hardware vxpocket_hw = {
+	.name = "VXPocket",
+	.type = VX_TYPE_VXPOCKET,
+
+	/* hardware specs */
+	.num_codecs = 1,
+	.num_ins = 1,
+	.num_outs = 1,
+	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
+	.output_level_db_scale = db_scale_old_vol,
+};	
+
+/* VX-pocket 440
+ *
+ * 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
+ * SMPTE (NIY)
+ * 2 stereo analog input (line/micro)
+ * 2 stereo analog output
+ * Only output levels can be modified
+ * UER, but only for the first two inputs and outputs.
+ */
+
+static struct snd_vx_hardware vxp440_hw = {
+	.name = "VXPocket440",
+	.type = VX_TYPE_VXP440,
+
+	/* hardware specs */
+	.num_codecs = 2,
+	.num_ins = 2,
+	.num_outs = 2,
+	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
+	.output_level_db_scale = db_scale_old_vol,
+};	
+
+
+/*
+ * create vxpocket instance
+ */
+static int snd_vxpocket_new(struct snd_card *card, int ibl,
+			    struct pcmcia_device *link,
+			    struct snd_vxpocket **chip_ret)
+{
+	struct vx_core *chip;
+	struct snd_vxpocket *vxp;
+	static struct snd_device_ops ops = {
+		.dev_free =	snd_vxpocket_dev_free,
+	};
+	int err;
+
+	chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
+			     sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
+	if (!chip)
+		return -ENOMEM;
+
+	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+	if (err < 0) {
+		kfree(chip);
+		return err;
+	}
+	chip->ibl.size = ibl;
+
+	vxp = (struct snd_vxpocket *)chip;
+
+	vxp->p_dev = link;
+	link->priv = chip;
+
+	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+	link->io.NumPorts1 = 16;
+
+	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
+
+	link->irq.IRQInfo1 = IRQ_LEVEL_ID;
+	link->irq.Handler = &snd_vx_irq_handler;
+	link->irq.Instance = chip;
+
+	link->conf.Attributes = CONF_ENABLE_IRQ;
+	link->conf.IntType = INT_MEMORY_AND_IO;
+	link->conf.ConfigIndex = 1;
+	link->conf.Present = PRESENT_OPTION;
+
+	*chip_ret = vxp;
+	return 0;
+}
+
+
+/**
+ * snd_vxpocket_assign_resources - initialize the hardware and card instance.
+ * @port: i/o port for the card
+ * @irq: irq number for the card
+ *
+ * this function assigns the specified port and irq, boot the card,
+ * create pcm and control instances, and initialize the rest hardware.
+ *
+ * returns 0 if successful, or a negative error code.
+ */
+static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
+{
+	int err;
+	struct snd_card *card = chip->card;
+	struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
+
+	snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
+	vxp->port = port;
+
+	sprintf(card->shortname, "Digigram %s", card->driver);
+	sprintf(card->longname, "%s at 0x%x, irq %i",
+		card->shortname, port, irq);
+
+	chip->irq = irq;
+
+	if ((err = snd_vx_setup_firmware(chip)) < 0)
+		return err;
+
+	return 0;
+}
+
+
+/*
+ * configuration callback
+ */
+
+static int vxpocket_config(struct pcmcia_device *link)
+{
+	struct vx_core *chip = link->priv;
+	struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
+	int ret;
+
+	snd_printdd(KERN_DEBUG "vxpocket_config called\n");
+
+	/* redefine hardware record according to the VERSION1 string */
+	if (!strcmp(link->prod_id[1], "VX-POCKET")) {
+		snd_printdd("VX-pocket is detected\n");
+	} else {
+		snd_printdd("VX-pocket 440 is detected\n");
+		/* overwrite the hardware information */
+		chip->hw = &vxp440_hw;
+		chip->type = vxp440_hw.type;
+		strcpy(chip->card->driver, vxp440_hw.name);
+	}
+
+	ret = pcmcia_request_io(link, &link->io);
+	if (ret)
+		goto failed;
+
+	ret = pcmcia_request_irq(link, &link->irq);
+	if (ret)
+		goto failed;
+
+	ret = pcmcia_request_configuration(link, &link->conf);
+	if (ret)
+		goto failed;
+
+	chip->dev = &handle_to_dev(link);
+	snd_card_set_dev(chip->card, chip->dev);
+
+	if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
+		goto failed;
+
+	link->dev_node = &vxp->node;
+	return 0;
+
+failed:
+	pcmcia_disable_device(link);
+	return -ENODEV;
+}
+
+#ifdef CONFIG_PM
+
+static int vxp_suspend(struct pcmcia_device *link)
+{
+	struct vx_core *chip = link->priv;
+
+	snd_printdd(KERN_DEBUG "SUSPEND\n");
+	if (chip) {
+		snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
+		snd_vx_suspend(chip, PMSG_SUSPEND);
+	}
+
+	return 0;
+}
+
+static int vxp_resume(struct pcmcia_device *link)
+{
+	struct vx_core *chip = link->priv;
+
+	snd_printdd(KERN_DEBUG "RESUME\n");
+	if (pcmcia_dev_present(link)) {
+		//struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
+		if (chip) {
+			snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
+			snd_vx_resume(chip);
+		}
+	}
+	snd_printdd(KERN_DEBUG "resume done!\n");
+
+	return 0;
+}
+
+#endif
+
+
+/*
+ */
+static int vxpocket_probe(struct pcmcia_device *p_dev)
+{
+	struct snd_card *card;
+	struct snd_vxpocket *vxp;
+	int i, err;
+
+	/* find an empty slot from the card list */
+	for (i = 0; i < SNDRV_CARDS; i++) {
+		if (!(card_alloc & (1 << i)))
+			break;
+	}
+	if (i >= SNDRV_CARDS) {
+		snd_printk(KERN_ERR "vxpocket: too many cards found\n");
+		return -EINVAL;
+	}
+	if (! enable[i])
+		return -ENODEV; /* disabled explicitly */
+
+	/* ok, create a card instance */
+	err = snd_card_create(index[i], id[i], THIS_MODULE, 0, &card);
+	if (err < 0) {
+		snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
+		return err;
+	}
+
+	err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp);
+	if (err < 0) {
+		snd_card_free(card);
+		return err;
+	}
+	card->private_data = vxp;
+
+	vxp->index = i;
+	card_alloc |= 1 << i;
+
+	vxp->p_dev = p_dev;
+
+	return vxpocket_config(p_dev);
+}
+
+static void vxpocket_detach(struct pcmcia_device *link)
+{
+	struct snd_vxpocket *vxp;
+	struct vx_core *chip;
+
+	if (! link)
+		return;
+
+	vxp = link->priv;
+	chip = (struct vx_core *)vxp;
+	card_alloc &= ~(1 << vxp->index);
+
+	chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
+	snd_card_disconnect(chip->card);
+	vxpocket_release(link);
+	snd_card_free_when_closed(chip->card);
+}
+
+/*
+ * Module entry points
+ */
+
+static struct pcmcia_device_id vxp_ids[] = {
+	PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
+	PCMCIA_DEVICE_NULL
+};
+MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
+
+static struct pcmcia_driver vxp_cs_driver = {
+	.owner		= THIS_MODULE,
+	.drv		= {
+		.name	= "snd-vxpocket",
+	},
+	.probe		= vxpocket_probe,
+	.remove		= vxpocket_detach,
+	.id_table	= vxp_ids,
+#ifdef CONFIG_PM
+	.suspend	= vxp_suspend,
+	.resume		= vxp_resume,
+#endif
+};
+
+static int __init init_vxpocket(void)
+{
+	return pcmcia_register_driver(&vxp_cs_driver);
+}
+
+static void __exit exit_vxpocket(void)
+{
+	pcmcia_unregister_driver(&vxp_cs_driver);
+}
+
+module_init(init_vxpocket);
+module_exit(exit_vxpocket);

kernel/sound/pcmcia/vx/vxpocket.h

@@ -0,0 +1,93 @@
+/*
+ * Driver for Digigram VXpocket soundcards
+ *
+ * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#ifndef __VXPOCKET_H
+#define __VXPOCKET_H
+
+#include <sound/vx_core.h>
+
+#include <pcmcia/cs_types.h>
+#include <pcmcia/cs.h>
+#include <pcmcia/cistpl.h>
+#include <pcmcia/ds.h>
+
+struct snd_vxpocket {
+
+	struct vx_core core;
+
+	unsigned long port;
+
+	int mic_level;	/* analog mic level (or boost) */
+
+	unsigned int regCDSP;	/* current CDSP register */
+	unsigned int regDIALOG;	/* current DIALOG register */
+
+	int index;	/* card index */
+
+	/* pcmcia stuff */
+	struct pcmcia_device	*p_dev;
+	dev_node_t node;
+};
+
+extern struct snd_vx_ops snd_vxpocket_ops;
+
+void vx_set_mic_boost(struct vx_core *chip, int boost);
+void vx_set_mic_level(struct vx_core *chip, int level);
+
+int vxp_add_mic_controls(struct vx_core *chip);
+
+/* Constants used to access the CDSP register (0x08). */
+#define CDSP_MAGIC	0xA7	/* magic value (for read) */
+/* for write */
+#define VXP_CDSP_CLOCKIN_SEL_MASK	0x80	/* 0 (internal), 1 (AES/EBU) */
+#define VXP_CDSP_DATAIN_SEL_MASK	0x40	/* 0 (analog), 1 (UER) */
+#define VXP_CDSP_SMPTE_SEL_MASK		0x20
+#define VXP_CDSP_RESERVED_MASK		0x10
+#define VXP_CDSP_MIC_SEL_MASK		0x08
+#define VXP_CDSP_VALID_IRQ_MASK		0x04
+#define VXP_CDSP_CODEC_RESET_MASK	0x02
+#define VXP_CDSP_DSP_RESET_MASK		0x01
+/* VXPOCKET 240/440 */
+#define P24_CDSP_MICS_SEL_MASK		0x18
+#define P24_CDSP_MIC20_SEL_MASK		0x10
+#define P24_CDSP_MIC38_SEL_MASK		0x08
+
+/* Constants used to access the MEMIRQ register (0x0C). */
+#define P44_MEMIRQ_MASTER_SLAVE_SEL_MASK 0x08
+#define P44_MEMIRQ_SYNCED_ALONE_SEL_MASK 0x04
+#define P44_MEMIRQ_WCLK_OUT_IN_SEL_MASK  0x02 /* Not used */
+#define P44_MEMIRQ_WCLK_UER_SEL_MASK     0x01 /* Not used */
+
+/* Micro levels (0x0C) */
+
+/* Constants used to access the DIALOG register (0x0D). */
+#define VXP_DLG_XILINX_REPROG_MASK	0x80	/* W */
+#define VXP_DLG_DATA_XICOR_MASK		0x80	/* R */
+#define VXP_DLG_RESERVED4_0_MASK	0x40
+#define VXP_DLG_RESERVED2_0_MASK	0x20
+#define VXP_DLG_RESERVED1_0_MASK	0x10
+#define VXP_DLG_DMAWRITE_SEL_MASK	0x08	/* W */
+#define VXP_DLG_DMAREAD_SEL_MASK	0x04	/* W */
+#define VXP_DLG_MEMIRQ_MASK		0x02	/* R */
+#define VXP_DLG_DMA16_SEL_MASK		0x02	/* W */
+#define VXP_DLG_ACK_MEMIRQ_MASK		0x01	/* R/W */
+
+
+#endif /* __VXPOCKET_H */