Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1840 insertions, 0 deletions

diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
new file mode 100644
index 0000000000..de5c41e578
--- /dev/null
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -0,0 +1,1840 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ *                   James Courtier-Dutton <James@superbug.co.uk>
+ *                   Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
+ *                   Creative Labs, Inc.
+ *
+ *  Routines for control of EMU10K1 chips
+ */
+
+#include <linux/sched.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/iommu.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/mutex.h>
+
+
+#include <sound/core.h>
+#include <sound/emu10k1.h>
+#include <linux/firmware.h>
+#include "p16v.h"
+#include "tina2.h"
+#include "p17v.h"
+
+
+#define HANA_FILENAME "emu/hana.fw"
+#define DOCK_FILENAME "emu/audio_dock.fw"
+#define EMU1010B_FILENAME "emu/emu1010b.fw"
+#define MICRO_DOCK_FILENAME "emu/micro_dock.fw"
+#define EMU0404_FILENAME "emu/emu0404.fw"
+#define EMU1010_NOTEBOOK_FILENAME "emu/emu1010_notebook.fw"
+
+MODULE_FIRMWARE(HANA_FILENAME);
+MODULE_FIRMWARE(DOCK_FILENAME);
+MODULE_FIRMWARE(EMU1010B_FILENAME);
+MODULE_FIRMWARE(MICRO_DOCK_FILENAME);
+MODULE_FIRMWARE(EMU0404_FILENAME);
+MODULE_FIRMWARE(EMU1010_NOTEBOOK_FILENAME);
+
+
+/*************************************************************************
+ * EMU10K1 init / done
+ *************************************************************************/
+
+void snd_emu10k1_voice_init(struct snd_emu10k1 *emu, int ch)
+{
+	snd_emu10k1_ptr_write_multiple(emu, ch,
+		DCYSUSV, 0,
+		VTFT, VTFT_FILTERTARGET_MASK,
+		CVCF, CVCF_CURRENTFILTER_MASK,
+		PTRX, 0,
+		CPF, 0,
+		CCR, 0,
+
+		PSST, 0,
+		DSL, 0x10,
+		CCCA, 0,
+		Z1, 0,
+		Z2, 0,
+		FXRT, 0x32100000,
+
+		// The rest is meaningless as long as DCYSUSV_CHANNELENABLE_MASK is zero
+		DCYSUSM, 0,
+		ATKHLDV, 0,
+		ATKHLDM, 0,
+		IP, 0,
+		IFATN, IFATN_FILTERCUTOFF_MASK | IFATN_ATTENUATION_MASK,
+		PEFE, 0,
+		FMMOD, 0,
+		TREMFRQ, 24,	/* 1 Hz */
+		FM2FRQ2, 24,	/* 1 Hz */
+		LFOVAL2, 0,
+		LFOVAL1, 0,
+		ENVVOL, 0,
+		ENVVAL, 0,
+
+		REGLIST_END);
+
+	/* Audigy extra stuffs */
+	if (emu->audigy) {
+		snd_emu10k1_ptr_write_multiple(emu, ch,
+			A_CSBA, 0,
+			A_CSDC, 0,
+			A_CSFE, 0,
+			A_CSHG, 0,
+			A_FXRT1, 0x03020100,
+			A_FXRT2, 0x07060504,
+			A_SENDAMOUNTS, 0,
+			REGLIST_END);
+	}
+}
+
+static const unsigned int spi_dac_init[] = {
+		0x00ff,
+		0x02ff,
+		0x0400,
+		0x0520,
+		0x0600,
+		0x08ff,
+		0x0aff,
+		0x0cff,
+		0x0eff,
+		0x10ff,
+		0x1200,
+		0x1400,
+		0x1480,
+		0x1800,
+		0x1aff,
+		0x1cff,
+		0x1e00,
+		0x0530,
+		0x0602,
+		0x0622,
+		0x1400,
+};
+
+static const unsigned int i2c_adc_init[][2] = {
+	{ 0x17, 0x00 }, /* Reset */
+	{ 0x07, 0x00 }, /* Timeout */
+	{ 0x0b, 0x22 },  /* Interface control */
+	{ 0x0c, 0x22 },  /* Master mode control */
+	{ 0x0d, 0x08 },  /* Powerdown control */
+	{ 0x0e, 0xcf },  /* Attenuation Left  0x01 = -103dB, 0xff = 24dB */
+	{ 0x0f, 0xcf },  /* Attenuation Right 0.5dB steps */
+	{ 0x10, 0x7b },  /* ALC Control 1 */
+	{ 0x11, 0x00 },  /* ALC Control 2 */
+	{ 0x12, 0x32 },  /* ALC Control 3 */
+	{ 0x13, 0x00 },  /* Noise gate control */
+	{ 0x14, 0xa6 },  /* Limiter control */
+	{ 0x15, ADC_MUX_2 },  /* ADC Mixer control. Mic for A2ZS Notebook */
+};
+
+static int snd_emu10k1_init(struct snd_emu10k1 *emu, int enable_ir)
+{
+	unsigned int silent_page;
+	int ch;
+	u32 tmp;
+
+	/* disable audio and lock cache */
+	outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK |
+		HCFG_MUTEBUTTONENABLE, emu->port + HCFG);
+
+	outl(0, emu->port + INTE);
+
+	snd_emu10k1_ptr_write_multiple(emu, 0,
+		/* reset recording buffers */
+		MICBS, ADCBS_BUFSIZE_NONE,
+		MICBA, 0,
+		FXBS, ADCBS_BUFSIZE_NONE,
+		FXBA, 0,
+		ADCBS, ADCBS_BUFSIZE_NONE,
+		ADCBA, 0,
+
+		/* disable channel interrupt */
+		CLIEL, 0,
+		CLIEH, 0,
+
+		/* disable stop on loop end */
+		SOLEL, 0,
+		SOLEH, 0,
+
+		REGLIST_END);
+
+	if (emu->audigy) {
+		/* set SPDIF bypass mode */
+		snd_emu10k1_ptr_write(emu, SPBYPASS, 0, SPBYPASS_FORMAT);
+		/* enable rear left + rear right AC97 slots */
+		snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_REAR_RIGHT |
+				      AC97SLOT_REAR_LEFT);
+	}
+
+	/* init envelope engine */
+	for (ch = 0; ch < NUM_G; ch++)
+		snd_emu10k1_voice_init(emu, ch);
+
+	snd_emu10k1_ptr_write_multiple(emu, 0,
+		SPCS0, emu->spdif_bits[0],
+		SPCS1, emu->spdif_bits[1],
+		SPCS2, emu->spdif_bits[2],
+		REGLIST_END);
+
+	if (emu->card_capabilities->emu_model) {
+	} else if (emu->card_capabilities->ca0151_chip) { /* audigy2 */
+		/* Hacks for Alice3 to work independent of haP16V driver */
+		/* Setup SRCMulti_I2S SamplingRate */
+		snd_emu10k1_ptr_write(emu, A_I2S_CAPTURE_RATE, 0, A_I2S_CAPTURE_96000);
+
+		/* Setup SRCSel (Enable Spdif,I2S SRCMulti) */
+		snd_emu10k1_ptr20_write(emu, SRCSel, 0, 0x14);
+		/* Setup SRCMulti Input Audio Enable */
+		/* Use 0xFFFFFFFF to enable P16V sounds. */
+		snd_emu10k1_ptr20_write(emu, SRCMULTI_ENABLE, 0, 0xFFFFFFFF);
+
+		/* Enabled Phased (8-channel) P16V playback */
+		outl(0x0201, emu->port + HCFG2);
+		/* Set playback routing. */
+		snd_emu10k1_ptr20_write(emu, CAPTURE_P16V_SOURCE, 0, 0x78e4);
+	} else if (emu->card_capabilities->ca0108_chip) { /* audigy2 Value */
+		/* Hacks for Alice3 to work independent of haP16V driver */
+		dev_info(emu->card->dev, "Audigy2 value: Special config.\n");
+		/* Setup SRCMulti_I2S SamplingRate */
+		snd_emu10k1_ptr_write(emu, A_I2S_CAPTURE_RATE, 0, A_I2S_CAPTURE_96000);
+
+		/* Setup SRCSel (Enable Spdif,I2S SRCMulti) */
+		snd_emu10k1_ptr20_write(emu, P17V_SRCSel, 0, 0x14);
+
+		/* Setup SRCMulti Input Audio Enable */
+		snd_emu10k1_ptr20_write(emu, P17V_MIXER_I2S_ENABLE, 0, 0xFF000000);
+
+		/* Setup SPDIF Out Audio Enable */
+		/* The Audigy 2 Value has a separate SPDIF out,
+		 * so no need for a mixer switch
+		 */
+		snd_emu10k1_ptr20_write(emu, P17V_MIXER_SPDIF_ENABLE, 0, 0xFF000000);
+
+		tmp = inw(emu->port + A_IOCFG) & ~0x8; /* Clear bit 3 */
+		outw(tmp, emu->port + A_IOCFG);
+	}
+	if (emu->card_capabilities->spi_dac) { /* Audigy 2 ZS Notebook with DAC Wolfson WM8768/WM8568 */
+		int size, n;
+
+		size = ARRAY_SIZE(spi_dac_init);
+		for (n = 0; n < size; n++)
+			snd_emu10k1_spi_write(emu, spi_dac_init[n]);
+
+		snd_emu10k1_ptr20_write(emu, 0x60, 0, 0x10);
+		/* Enable GPIOs
+		 * GPIO0: Unknown
+		 * GPIO1: Speakers-enabled.
+		 * GPIO2: Unknown
+		 * GPIO3: Unknown
+		 * GPIO4: IEC958 Output on.
+		 * GPIO5: Unknown
+		 * GPIO6: Unknown
+		 * GPIO7: Unknown
+		 */
+		outw(0x76, emu->port + A_IOCFG); /* Windows uses 0x3f76 */
+	}
+	if (emu->card_capabilities->i2c_adc) { /* Audigy 2 ZS Notebook with ADC Wolfson WM8775 */
+		int size, n;
+
+		snd_emu10k1_ptr20_write(emu, P17V_I2S_SRC_SEL, 0, 0x2020205f);
+		tmp = inw(emu->port + A_IOCFG);
+		outw(tmp | 0x4, emu->port + A_IOCFG);  /* Set bit 2 for mic input */
+		tmp = inw(emu->port + A_IOCFG);
+		size = ARRAY_SIZE(i2c_adc_init);
+		for (n = 0; n < size; n++)
+			snd_emu10k1_i2c_write(emu, i2c_adc_init[n][0], i2c_adc_init[n][1]);
+		for (n = 0; n < 4; n++) {
+			emu->i2c_capture_volume[n][0] = 0xcf;
+			emu->i2c_capture_volume[n][1] = 0xcf;
+		}
+	}
+
+
+	snd_emu10k1_ptr_write(emu, PTB, 0, emu->ptb_pages.addr);
+	snd_emu10k1_ptr_write(emu, TCB, 0, 0);	/* taken from original driver */
+	snd_emu10k1_ptr_write(emu, TCBS, 0, TCBS_BUFFSIZE_256K);	/* taken from original driver */
+
+	silent_page = (emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
+	for (ch = 0; ch < NUM_G; ch++) {
+		snd_emu10k1_ptr_write(emu, MAPA, ch, silent_page);
+		snd_emu10k1_ptr_write(emu, MAPB, ch, silent_page);
+	}
+
+	if (emu->card_capabilities->emu_model) {
+		outl(HCFG_AUTOMUTE_ASYNC |
+			HCFG_EMU32_SLAVE |
+			HCFG_AUDIOENABLE, emu->port + HCFG);
+	/*
+	 *  Hokay, setup HCFG
+	 *   Mute Disable Audio = 0
+	 *   Lock Tank Memory = 1
+	 *   Lock Sound Memory = 0
+	 *   Auto Mute = 1
+	 */
+	} else if (emu->audigy) {
+		if (emu->revision == 4) /* audigy2 */
+			outl(HCFG_AUDIOENABLE |
+			     HCFG_AC3ENABLE_CDSPDIF |
+			     HCFG_AC3ENABLE_GPSPDIF |
+			     HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
+		else
+			outl(HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
+	/* FIXME: Remove all these emu->model and replace it with a card recognition parameter,
+	 * e.g. card_capabilities->joystick */
+	} else if (emu->model == 0x20 ||
+	    emu->model == 0xc400 ||
+	    (emu->model == 0x21 && emu->revision < 6))
+		outl(HCFG_LOCKTANKCACHE_MASK | HCFG_AUTOMUTE, emu->port + HCFG);
+	else
+		/* With on-chip joystick */
+		outl(HCFG_LOCKTANKCACHE_MASK | HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
+
+	if (enable_ir) {	/* enable IR for SB Live */
+		if (emu->card_capabilities->emu_model) {
+			;  /* Disable all access to A_IOCFG for the emu1010 */
+		} else if (emu->card_capabilities->i2c_adc) {
+			;  /* Disable A_IOCFG for Audigy 2 ZS Notebook */
+		} else if (emu->audigy) {
+			u16 reg = inw(emu->port + A_IOCFG);
+			outw(reg | A_IOCFG_GPOUT2, emu->port + A_IOCFG);
+			udelay(500);
+			outw(reg | A_IOCFG_GPOUT1 | A_IOCFG_GPOUT2, emu->port + A_IOCFG);
+			udelay(100);
+			outw(reg, emu->port + A_IOCFG);
+		} else {
+			unsigned int reg = inl(emu->port + HCFG);
+			outl(reg | HCFG_GPOUT2, emu->port + HCFG);
+			udelay(500);
+			outl(reg | HCFG_GPOUT1 | HCFG_GPOUT2, emu->port + HCFG);
+			udelay(100);
+			outl(reg, emu->port + HCFG);
+		}
+	}
+
+	if (emu->card_capabilities->emu_model) {
+		;  /* Disable all access to A_IOCFG for the emu1010 */
+	} else if (emu->card_capabilities->i2c_adc) {
+		;  /* Disable A_IOCFG for Audigy 2 ZS Notebook */
+	} else if (emu->audigy) {	/* enable analog output */
+		u16 reg = inw(emu->port + A_IOCFG);
+		outw(reg | A_IOCFG_GPOUT0, emu->port + A_IOCFG);
+	}
+
+	if (emu->address_mode == 0) {
+		/* use 16M in 4G */
+		outl(inl(emu->port + HCFG) | HCFG_EXPANDED_MEM, emu->port + HCFG);
+	}
+
+	return 0;
+}
+
+static void snd_emu10k1_audio_enable(struct snd_emu10k1 *emu)
+{
+	/*
+	 *  Enable the audio bit
+	 */
+	outl(inl(emu->port + HCFG) | HCFG_AUDIOENABLE, emu->port + HCFG);
+
+	/* Enable analog/digital outs on audigy */
+	if (emu->card_capabilities->emu_model) {
+		;  /* Disable all access to A_IOCFG for the emu1010 */
+	} else if (emu->card_capabilities->i2c_adc) {
+		;  /* Disable A_IOCFG for Audigy 2 ZS Notebook */
+	} else if (emu->audigy) {
+		outw(inw(emu->port + A_IOCFG) & ~0x44, emu->port + A_IOCFG);
+
+		if (emu->card_capabilities->ca0151_chip) { /* audigy2 */
+			/* Unmute Analog now.  Set GPO6 to 1 for Apollo.
+			 * This has to be done after init ALice3 I2SOut beyond 48KHz.
+			 * So, sequence is important. */
+			outw(inw(emu->port + A_IOCFG) | 0x0040, emu->port + A_IOCFG);
+		} else if (emu->card_capabilities->ca0108_chip) { /* audigy2 value */
+			/* Unmute Analog now. */
+			outw(inw(emu->port + A_IOCFG) | 0x0060, emu->port + A_IOCFG);
+		} else {
+			/* Disable routing from AC97 line out to Front speakers */
+			outw(inw(emu->port + A_IOCFG) | 0x0080, emu->port + A_IOCFG);
+		}
+	}
+
+#if 0
+	{
+	unsigned int tmp;
+	/* FIXME: the following routine disables LiveDrive-II !! */
+	/* TOSLink detection */
+	emu->tos_link = 0;
+	tmp = inl(emu->port + HCFG);
+	if (tmp & (HCFG_GPINPUT0 | HCFG_GPINPUT1)) {
+		outl(tmp|0x800, emu->port + HCFG);
+		udelay(50);
+		if (tmp != (inl(emu->port + HCFG) & ~0x800)) {
+			emu->tos_link = 1;
+			outl(tmp, emu->port + HCFG);
+		}
+	}
+	}
+#endif
+
+	if (emu->card_capabilities->emu_model)
+		snd_emu10k1_intr_enable(emu, INTE_PCIERRORENABLE | INTE_A_GPIOENABLE);
+	else
+		snd_emu10k1_intr_enable(emu, INTE_PCIERRORENABLE);
+}
+
+int snd_emu10k1_done(struct snd_emu10k1 *emu)
+{
+	int ch;
+
+	outl(0, emu->port + INTE);
+
+	/*
+	 *  Shutdown the voices
+	 */
+	for (ch = 0; ch < NUM_G; ch++) {
+		snd_emu10k1_ptr_write_multiple(emu, ch,
+			DCYSUSV, 0,
+			VTFT, 0,
+			CVCF, 0,
+			PTRX, 0,
+			CPF, 0,
+			REGLIST_END);
+	}
+
+	// stop the DSP
+	if (emu->audigy)
+		snd_emu10k1_ptr_write(emu, A_DBG, 0, A_DBG_SINGLE_STEP);
+	else
+		snd_emu10k1_ptr_write(emu, DBG, 0, EMU10K1_DBG_SINGLE_STEP);
+
+	snd_emu10k1_ptr_write_multiple(emu, 0,
+		/* reset recording buffers */
+		MICBS, 0,
+		MICBA, 0,
+		FXBS, 0,
+		FXBA, 0,
+		FXWC, 0,
+		ADCBS, ADCBS_BUFSIZE_NONE,
+		ADCBA, 0,
+		TCBS, TCBS_BUFFSIZE_16K,
+		TCB, 0,
+
+		/* disable channel interrupt */
+		CLIEL, 0,
+		CLIEH, 0,
+		SOLEL, 0,
+		SOLEH, 0,
+
+		PTB, 0,
+
+		REGLIST_END);
+
+	/* disable audio and lock cache */
+	outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE, emu->port + HCFG);
+
+	return 0;
+}
+
+/*************************************************************************
+ * ECARD functional implementation
+ *************************************************************************/
+
+/* In A1 Silicon, these bits are in the HC register */
+#define HOOKN_BIT		(1L << 12)
+#define HANDN_BIT		(1L << 11)
+#define PULSEN_BIT		(1L << 10)
+
+#define EC_GDI1			(1 << 13)
+#define EC_GDI0			(1 << 14)
+
+#define EC_NUM_CONTROL_BITS	20
+
+#define EC_AC3_DATA_SELN	0x0001L
+#define EC_EE_DATA_SEL		0x0002L
+#define EC_EE_CNTRL_SELN	0x0004L
+#define EC_EECLK		0x0008L
+#define EC_EECS			0x0010L
+#define EC_EESDO		0x0020L
+#define EC_TRIM_CSN		0x0040L
+#define EC_TRIM_SCLK		0x0080L
+#define EC_TRIM_SDATA		0x0100L
+#define EC_TRIM_MUTEN		0x0200L
+#define EC_ADCCAL		0x0400L
+#define EC_ADCRSTN		0x0800L
+#define EC_DACCAL		0x1000L
+#define EC_DACMUTEN		0x2000L
+#define EC_LEDN			0x4000L
+
+#define EC_SPDIF0_SEL_SHIFT	15
+#define EC_SPDIF1_SEL_SHIFT	17
+#define EC_SPDIF0_SEL_MASK	(0x3L << EC_SPDIF0_SEL_SHIFT)
+#define EC_SPDIF1_SEL_MASK	(0x7L << EC_SPDIF1_SEL_SHIFT)
+#define EC_SPDIF0_SELECT(_x)	(((_x) << EC_SPDIF0_SEL_SHIFT) & EC_SPDIF0_SEL_MASK)
+#define EC_SPDIF1_SELECT(_x)	(((_x) << EC_SPDIF1_SEL_SHIFT) & EC_SPDIF1_SEL_MASK)
+#define EC_CURRENT_PROM_VERSION 0x01	/* Self-explanatory.  This should
+					 * be incremented any time the EEPROM's
+					 * format is changed.  */
+
+#define EC_EEPROM_SIZE		0x40	/* ECARD EEPROM has 64 16-bit words */
+
+/* Addresses for special values stored in to EEPROM */
+#define EC_PROM_VERSION_ADDR	0x20	/* Address of the current prom version */
+#define EC_BOARDREV0_ADDR	0x21	/* LSW of board rev */
+#define EC_BOARDREV1_ADDR	0x22	/* MSW of board rev */
+
+#define EC_LAST_PROMFILE_ADDR	0x2f
+
+#define EC_SERIALNUM_ADDR	0x30	/* First word of serial number.  The
+					 * can be up to 30 characters in length
+					 * and is stored as a NULL-terminated
+					 * ASCII string.  Any unused bytes must be
+					 * filled with zeros */
+#define EC_CHECKSUM_ADDR	0x3f	/* Location at which checksum is stored */
+
+
+/* Most of this stuff is pretty self-evident.  According to the hardware
+ * dudes, we need to leave the ADCCAL bit low in order to avoid a DC
+ * offset problem.  Weird.
+ */
+#define EC_RAW_RUN_MODE		(EC_DACMUTEN | EC_ADCRSTN | EC_TRIM_MUTEN | \
+				 EC_TRIM_CSN)
+
+
+#define EC_DEFAULT_ADC_GAIN	0xC4C4
+#define EC_DEFAULT_SPDIF0_SEL	0x0
+#define EC_DEFAULT_SPDIF1_SEL	0x4
+
+/**************************************************************************
+ * @func Clock bits into the Ecard's control latch.  The Ecard uses a
+ *  control latch will is loaded bit-serially by toggling the Modem control
+ *  lines from function 2 on the E8010.  This function hides these details
+ *  and presents the illusion that we are actually writing to a distinct
+ *  register.
+ */
+
+static void snd_emu10k1_ecard_write(struct snd_emu10k1 *emu, unsigned int value)
+{
+	unsigned short count;
+	unsigned int data;
+	unsigned long hc_port;
+	unsigned int hc_value;
+
+	hc_port = emu->port + HCFG;
+	hc_value = inl(hc_port) & ~(HOOKN_BIT | HANDN_BIT | PULSEN_BIT);
+	outl(hc_value, hc_port);
+
+	for (count = 0; count < EC_NUM_CONTROL_BITS; count++) {
+
+		/* Set up the value */
+		data = ((value & 0x1) ? PULSEN_BIT : 0);
+		value >>= 1;
+
+		outl(hc_value | data, hc_port);
+
+		/* Clock the shift register */
+		outl(hc_value | data | HANDN_BIT, hc_port);
+		outl(hc_value | data, hc_port);
+	}
+
+	/* Latch the bits */
+	outl(hc_value | HOOKN_BIT, hc_port);
+	outl(hc_value, hc_port);
+}
+
+/**************************************************************************
+ * @func Set the gain of the ECARD's CS3310 Trim/gain controller.  The
+ * trim value consists of a 16bit value which is composed of two
+ * 8 bit gain/trim values, one for the left channel and one for the
+ * right channel.  The following table maps from the Gain/Attenuation
+ * value in decibels into the corresponding bit pattern for a single
+ * channel.
+ */
+
+static void snd_emu10k1_ecard_setadcgain(struct snd_emu10k1 *emu,
+					 unsigned short gain)
+{
+	unsigned int bit;
+
+	/* Enable writing to the TRIM registers */
+	snd_emu10k1_ecard_write(emu, emu->ecard_ctrl & ~EC_TRIM_CSN);
+
+	/* Do it again to insure that we meet hold time requirements */
+	snd_emu10k1_ecard_write(emu, emu->ecard_ctrl & ~EC_TRIM_CSN);
+
+	for (bit = (1 << 15); bit; bit >>= 1) {
+		unsigned int value;
+
+		value = emu->ecard_ctrl & ~(EC_TRIM_CSN | EC_TRIM_SDATA);
+
+		if (gain & bit)
+			value |= EC_TRIM_SDATA;
+
+		/* Clock the bit */
+		snd_emu10k1_ecard_write(emu, value);
+		snd_emu10k1_ecard_write(emu, value | EC_TRIM_SCLK);
+		snd_emu10k1_ecard_write(emu, value);
+	}
+
+	snd_emu10k1_ecard_write(emu, emu->ecard_ctrl);
+}
+
+static int snd_emu10k1_ecard_init(struct snd_emu10k1 *emu)
+{
+	unsigned int hc_value;
+
+	/* Set up the initial settings */
+	emu->ecard_ctrl = EC_RAW_RUN_MODE |
+			  EC_SPDIF0_SELECT(EC_DEFAULT_SPDIF0_SEL) |
+			  EC_SPDIF1_SELECT(EC_DEFAULT_SPDIF1_SEL);
+
+	/* Step 0: Set the codec type in the hardware control register
+	 * and enable audio output */
+	hc_value = inl(emu->port + HCFG);
+	outl(hc_value | HCFG_AUDIOENABLE | HCFG_CODECFORMAT_I2S, emu->port + HCFG);
+	inl(emu->port + HCFG);
+
+	/* Step 1: Turn off the led and deassert TRIM_CS */
+	snd_emu10k1_ecard_write(emu, EC_ADCCAL | EC_LEDN | EC_TRIM_CSN);
+
+	/* Step 2: Calibrate the ADC and DAC */
+	snd_emu10k1_ecard_write(emu, EC_DACCAL | EC_LEDN | EC_TRIM_CSN);
+
+	/* Step 3: Wait for awhile;   XXX We can't get away with this
+	 * under a real operating system; we'll need to block and wait that
+	 * way. */
+	snd_emu10k1_wait(emu, 48000);
+
+	/* Step 4: Switch off the DAC and ADC calibration.  Note
+	 * That ADC_CAL is actually an inverted signal, so we assert
+	 * it here to stop calibration.  */
+	snd_emu10k1_ecard_write(emu, EC_ADCCAL | EC_LEDN | EC_TRIM_CSN);
+
+	/* Step 4: Switch into run mode */
+	snd_emu10k1_ecard_write(emu, emu->ecard_ctrl);
+
+	/* Step 5: Set the analog input gain */
+	snd_emu10k1_ecard_setadcgain(emu, EC_DEFAULT_ADC_GAIN);
+
+	return 0;
+}
+
+static int snd_emu10k1_cardbus_init(struct snd_emu10k1 *emu)
+{
+	unsigned long special_port;
+	__always_unused unsigned int value;
+
+	/* Special initialisation routine
+	 * before the rest of the IO-Ports become active.
+	 */
+	special_port = emu->port + 0x38;
+	value = inl(special_port);
+	outl(0x00d00000, special_port);
+	value = inl(special_port);
+	outl(0x00d00001, special_port);
+	value = inl(special_port);
+	outl(0x00d0005f, special_port);
+	value = inl(special_port);
+	outl(0x00d0007f, special_port);
+	value = inl(special_port);
+	outl(0x0090007f, special_port);
+	value = inl(special_port);
+
+	snd_emu10k1_ptr20_write(emu, TINA2_VOLUME, 0, 0xfefefefe); /* Defaults to 0x30303030 */
+	/* Delay to give time for ADC chip to switch on. It needs 113ms */
+	msleep(200);
+	return 0;
+}
+
+static int snd_emu1010_load_firmware_entry(struct snd_emu10k1 *emu,
+				     const struct firmware *fw_entry)
+{
+	int n, i;
+	u16 reg;
+	u8 value;
+	__always_unused u16 write_post;
+
+	if (!fw_entry)
+		return -EIO;
+
+	/* The FPGA is a Xilinx Spartan IIE XC2S50E */
+	/* On E-MU 0404b it is a Xilinx Spartan III XC3S50 */
+	/* GPIO7 -> FPGA PGMN
+	 * GPIO6 -> FPGA CCLK
+	 * GPIO5 -> FPGA DIN
+	 * FPGA CONFIG OFF -> FPGA PGMN
+	 */
+	spin_lock_irq(&emu->emu_lock);
+	outw(0x00, emu->port + A_GPIO); /* Set PGMN low for 100uS. */
+	write_post = inw(emu->port + A_GPIO);
+	udelay(100);
+	outw(0x80, emu->port + A_GPIO); /* Leave bit 7 set during netlist setup. */
+	write_post = inw(emu->port + A_GPIO);
+	udelay(100); /* Allow FPGA memory to clean */
+	for (n = 0; n < fw_entry->size; n++) {
+		value = fw_entry->data[n];
+		for (i = 0; i < 8; i++) {
+			reg = 0x80;
+			if (value & 0x1)
+				reg = reg | 0x20;
+			value = value >> 1;
+			outw(reg, emu->port + A_GPIO);
+			write_post = inw(emu->port + A_GPIO);
+			outw(reg | 0x40, emu->port + A_GPIO);
+			write_post = inw(emu->port + A_GPIO);
+		}
+	}
+	/* After programming, set GPIO bit 4 high again. */
+	outw(0x10, emu->port + A_GPIO);
+	write_post = inw(emu->port + A_GPIO);
+	spin_unlock_irq(&emu->emu_lock);
+
+	return 0;
+}
+
+/* firmware file names, per model, init-fw and dock-fw (optional) */
+static const char * const firmware_names[5][2] = {
+	[EMU_MODEL_EMU1010] = {
+		HANA_FILENAME, DOCK_FILENAME
+	},
+	[EMU_MODEL_EMU1010B] = {
+		EMU1010B_FILENAME, MICRO_DOCK_FILENAME
+	},
+	[EMU_MODEL_EMU1616] = {
+		EMU1010_NOTEBOOK_FILENAME, MICRO_DOCK_FILENAME
+	},
+	[EMU_MODEL_EMU0404] = {
+		EMU0404_FILENAME, NULL
+	},
+};
+
+static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu, int dock,
+				     const struct firmware **fw)
+{
+	const char *filename;
+	int err;
+
+	if (!*fw) {
+		filename = firmware_names[emu->card_capabilities->emu_model][dock];
+		if (!filename)
+			return 0;
+		err = request_firmware(fw, filename, &emu->pci->dev);
+		if (err)
+			return err;
+	}
+
+	return snd_emu1010_load_firmware_entry(emu, *fw);
+}
+
+static void emu1010_firmware_work(struct work_struct *work)
+{
+	struct snd_emu10k1 *emu;
+	u32 tmp, tmp2, reg;
+	int err;
+
+	emu = container_of(work, struct snd_emu10k1,
+			   emu1010.firmware_work);
+	if (emu->card->shutdown)
+		return;
+#ifdef CONFIG_PM_SLEEP
+	if (emu->suspend)
+		return;
+#endif
+	snd_emu1010_fpga_read(emu, EMU_HANA_OPTION_CARDS, &reg); /* OPTIONS: Which cards are attached to the EMU */
+	if (reg & EMU_HANA_OPTION_DOCK_OFFLINE) {
+		/* Audio Dock attached */
+		/* Return to Audio Dock programming mode */
+		dev_info(emu->card->dev,
+			 "emu1010: Loading Audio Dock Firmware\n");
+		snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG,
+				       EMU_HANA_FPGA_CONFIG_AUDIODOCK);
+		err = snd_emu1010_load_firmware(emu, 1, &emu->dock_fw);
+		if (err < 0)
+			return;
+		snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, 0);
+		snd_emu1010_fpga_read(emu, EMU_HANA_ID, &tmp);
+		dev_info(emu->card->dev,
+			 "emu1010: EMU_HANA+DOCK_ID = 0x%x\n", tmp);
+		if ((tmp & 0x1f) != 0x15) {
+			/* FPGA failed to be programmed */
+			dev_info(emu->card->dev,
+				 "emu1010: Loading Audio Dock Firmware file failed, reg = 0x%x\n",
+				 tmp);
+			return;
+		}
+		dev_info(emu->card->dev,
+			 "emu1010: Audio Dock Firmware loaded\n");
+		snd_emu1010_fpga_read(emu, EMU_DOCK_MAJOR_REV, &tmp);
+		snd_emu1010_fpga_read(emu, EMU_DOCK_MINOR_REV, &tmp2);
+		dev_info(emu->card->dev, "Audio Dock ver: %u.%u\n", tmp, tmp2);
+		/* Sync clocking between 1010 and Dock */
+		/* Allow DLL to settle */
+		msleep(10);
+		/* Unmute all. Default is muted after a firmware load */
+		snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE);
+	}
+}
+
+static void emu1010_clock_work(struct work_struct *work)
+{
+	struct snd_emu10k1 *emu;
+	struct snd_ctl_elem_id id;
+
+	emu = container_of(work, struct snd_emu10k1,
+			   emu1010.clock_work);
+	if (emu->card->shutdown)
+		return;
+#ifdef CONFIG_PM_SLEEP
+	if (emu->suspend)
+		return;
+#endif
+
+	spin_lock_irq(&emu->reg_lock);
+	// This is the only thing that can actually happen.
+	emu->emu1010.clock_source = emu->emu1010.clock_fallback;
+	emu->emu1010.wclock = 1 - emu->emu1010.clock_source;
+	snd_emu1010_update_clock(emu);
+	spin_unlock_irq(&emu->reg_lock);
+	snd_ctl_build_ioff(&id, emu->ctl_clock_source, 0);
+	snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE, &id);
+}
+
+static void emu1010_interrupt(struct snd_emu10k1 *emu)
+{
+	u32 sts;
+
+	snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &sts);
+	if (sts & EMU_HANA_IRQ_DOCK_LOST) {
+		/* Audio Dock removed */
+		dev_info(emu->card->dev, "emu1010: Audio Dock detached\n");
+		/* The hardware auto-mutes all, so we unmute again */
+		snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE);
+	} else if (sts & EMU_HANA_IRQ_DOCK) {
+		schedule_work(&emu->emu1010.firmware_work);
+	}
+	if (sts & EMU_HANA_IRQ_WCLK_CHANGED)
+		schedule_work(&emu->emu1010.clock_work);
+}
+
+/*
+ * Current status of the driver:
+ * ----------------------------
+ * 	* only 44.1/48kHz supported (the MS Win driver supports up to 192 kHz)
+ * 	* PCM device nb. 2:
+ *		16 x 16-bit playback - snd_emu10k1_fx8010_playback_ops
+ * 		16 x 32-bit capture - snd_emu10k1_capture_efx_ops
+ */
+static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
+{
+	u32 tmp, tmp2, reg;
+	int err;
+
+	dev_info(emu->card->dev, "emu1010: Special config.\n");
+
+	/* Mute, and disable audio and lock cache, just in case.
+	 * Proper init follows in snd_emu10k1_init(). */
+	outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK, emu->port + HCFG);
+
+	/* Disable 48Volt power to Audio Dock */
+	snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_PWR, 0);
+
+	/* ID, should read & 0x7f = 0x55. (Bit 7 is the IRQ bit) */
+	snd_emu1010_fpga_read(emu, EMU_HANA_ID, &reg);
+	dev_dbg(emu->card->dev, "reg1 = 0x%x\n", reg);
+	if ((reg & 0x3f) == 0x15) {
+		/* FPGA netlist already present so clear it */
+		/* Return to programming mode */
+
+		snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, EMU_HANA_FPGA_CONFIG_HANA);
+	}
+	snd_emu1010_fpga_read(emu, EMU_HANA_ID, &reg);
+	dev_dbg(emu->card->dev, "reg2 = 0x%x\n", reg);
+	if ((reg & 0x3f) == 0x15) {
+		/* FPGA failed to return to programming mode */
+		dev_info(emu->card->dev,
+			 "emu1010: FPGA failed to return to programming mode\n");
+		return -ENODEV;
+	}
+	dev_info(emu->card->dev, "emu1010: EMU_HANA_ID = 0x%x\n", reg);
+
+	err = snd_emu1010_load_firmware(emu, 0, &emu->firmware);
+	if (err < 0) {
+		dev_info(emu->card->dev, "emu1010: Loading Firmware failed\n");
+		return err;
+	}
+
+	/* ID, should read & 0x7f = 0x55 when FPGA programmed. */
+	snd_emu1010_fpga_read(emu, EMU_HANA_ID, &reg);
+	if ((reg & 0x3f) != 0x15) {
+		/* FPGA failed to be programmed */
+		dev_info(emu->card->dev,
+			 "emu1010: Loading Hana Firmware file failed, reg = 0x%x\n",
+			 reg);
+		return -ENODEV;
+	}
+
+	dev_info(emu->card->dev, "emu1010: Hana Firmware loaded\n");
+	snd_emu1010_fpga_read(emu, EMU_HANA_MAJOR_REV, &tmp);
+	snd_emu1010_fpga_read(emu, EMU_HANA_MINOR_REV, &tmp2);
+	dev_info(emu->card->dev, "emu1010: Hana version: %u.%u\n", tmp, tmp2);
+	/* Enable 48Volt power to Audio Dock */
+	snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_PWR, EMU_HANA_DOCK_PWR_ON);
+
+	snd_emu1010_fpga_read(emu, EMU_HANA_OPTION_CARDS, &reg);
+	dev_info(emu->card->dev, "emu1010: Card options = 0x%x\n", reg);
+	if (reg & EMU_HANA_OPTION_DOCK_OFFLINE)
+		schedule_work(&emu->emu1010.firmware_work);
+	if (emu->card_capabilities->no_adat) {
+		emu->emu1010.optical_in = 0; /* IN_SPDIF */
+		emu->emu1010.optical_out = 0; /* OUT_SPDIF */
+	} else {
+		/* Optical -> ADAT I/O  */
+		emu->emu1010.optical_in = 1; /* IN_ADAT */
+		emu->emu1010.optical_out = 1; /* OUT_ADAT */
+	}
+	tmp = (emu->emu1010.optical_in ? EMU_HANA_OPTICAL_IN_ADAT : EMU_HANA_OPTICAL_IN_SPDIF) |
+		(emu->emu1010.optical_out ? EMU_HANA_OPTICAL_OUT_ADAT : EMU_HANA_OPTICAL_OUT_SPDIF);
+	snd_emu1010_fpga_write(emu, EMU_HANA_OPTICAL_TYPE, tmp);
+	/* Set no attenuation on Audio Dock pads. */
+	emu->emu1010.adc_pads = 0x00;
+	snd_emu1010_fpga_write(emu, EMU_HANA_ADC_PADS, emu->emu1010.adc_pads);
+	/* Unmute Audio dock DACs, Headphone source DAC-4. */
+	snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_MISC, EMU_HANA_DOCK_PHONES_192_DAC4);
+	/* DAC PADs. */
+	emu->emu1010.dac_pads = EMU_HANA_DOCK_DAC_PAD1 | EMU_HANA_DOCK_DAC_PAD2 |
+				EMU_HANA_DOCK_DAC_PAD3 | EMU_HANA_DOCK_DAC_PAD4;
+	snd_emu1010_fpga_write(emu, EMU_HANA_DAC_PADS, emu->emu1010.dac_pads);
+	/* SPDIF Format. Set Consumer mode, 24bit, copy enable */
+	snd_emu1010_fpga_write(emu, EMU_HANA_SPDIF_MODE, EMU_HANA_SPDIF_MODE_RX_INVALID);
+	/* MIDI routing */
+	snd_emu1010_fpga_write(emu, EMU_HANA_MIDI_IN, EMU_HANA_MIDI_INA_FROM_HAMOA | EMU_HANA_MIDI_INB_FROM_DOCK2);
+	snd_emu1010_fpga_write(emu, EMU_HANA_MIDI_OUT, EMU_HANA_MIDI_OUT_DOCK2 | EMU_HANA_MIDI_OUT_SYNC2);
+
+	emu->gpio_interrupt = emu1010_interrupt;
+	// Note: The Audigy INTE is set later
+	snd_emu1010_fpga_write(emu, EMU_HANA_IRQ_ENABLE,
+			       EMU_HANA_IRQ_DOCK | EMU_HANA_IRQ_DOCK_LOST | EMU_HANA_IRQ_WCLK_CHANGED);
+	snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &reg);  // Clear pending IRQs
+
+	emu->emu1010.clock_source = 1;  /* 48000 */
+	emu->emu1010.clock_fallback = 1;  /* 48000 */
+	/* Default WCLK set to 48kHz. */
+	snd_emu1010_fpga_write(emu, EMU_HANA_DEFCLOCK, EMU_HANA_DEFCLOCK_48K);
+	/* Word Clock source, Internal 48kHz x1 */
+	emu->emu1010.wclock = EMU_HANA_WCLOCK_INT_48K;
+	snd_emu1010_fpga_write(emu, EMU_HANA_WCLOCK, EMU_HANA_WCLOCK_INT_48K);
+	/* snd_emu1010_fpga_write(emu, EMU_HANA_WCLOCK, EMU_HANA_WCLOCK_INT_48K | EMU_HANA_WCLOCK_4X); */
+	snd_emu1010_update_clock(emu);
+
+	// The routes are all set to EMU_SRC_SILENCE due to the reset,
+	// so it is safe to simply enable the outputs.
+	snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE);
+
+	return 0;
+}
+/*
+ *  Create the EMU10K1 instance
+ */
+
+#ifdef CONFIG_PM_SLEEP
+static int alloc_pm_buffer(struct snd_emu10k1 *emu);
+static void free_pm_buffer(struct snd_emu10k1 *emu);
+#endif
+
+static void snd_emu10k1_free(struct snd_card *card)
+{
+	struct snd_emu10k1 *emu = card->private_data;
+
+	if (emu->port) {	/* avoid access to already used hardware */
+		snd_emu10k1_fx8010_tram_setup(emu, 0);
+		snd_emu10k1_done(emu);
+		snd_emu10k1_free_efx(emu);
+	}
+	if (emu->card_capabilities->emu_model == EMU_MODEL_EMU1010) {
+		/* Disable 48Volt power to Audio Dock */
+		snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_PWR, 0);
+	}
+	cancel_work_sync(&emu->emu1010.firmware_work);
+	cancel_work_sync(&emu->emu1010.clock_work);
+	release_firmware(emu->firmware);
+	release_firmware(emu->dock_fw);
+	snd_util_memhdr_free(emu->memhdr);
+	if (emu->silent_page.area)
+		snd_dma_free_pages(&emu->silent_page);
+	if (emu->ptb_pages.area)
+		snd_dma_free_pages(&emu->ptb_pages);
+	vfree(emu->page_ptr_table);
+	vfree(emu->page_addr_table);
+#ifdef CONFIG_PM_SLEEP
+	free_pm_buffer(emu);
+#endif
+}
+
+static const struct snd_emu_chip_details emu_chip_details[] = {
+	/* Audigy 5/Rx SB1550 */
+	/* Tested by michael@gernoth.net 28 Mar 2015 */
+	/* DSP: CA10300-IAT LF
+	 * DAC: Cirrus Logic CS4382-KQZ
+	 * ADC: Philips 1361T
+	 * AC97: Sigmatel STAC9750
+	 * CA0151: None
+	 */
+	{.vendor = 0x1102, .device = 0x0008, .subsystem = 0x10241102,
+	 .driver = "Audigy2", .name = "SB Audigy 5/Rx [SB1550]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0108_chip = 1,
+	 .spk71 = 1,
+	 .adc_1361t = 1,  /* 24 bit capture instead of 16bit */
+	 .ac97_chip = 1},
+	/* Audigy4 (Not PRO) SB0610 */
+	/* Tested by James@superbug.co.uk 4th April 2006 */
+	/* A_IOCFG bits
+	 * Output
+	 * 0: ?
+	 * 1: ?
+	 * 2: ?
+	 * 3: 0 - Digital Out, 1 - Line in
+	 * 4: ?
+	 * 5: ?
+	 * 6: ?
+	 * 7: ?
+	 * Input
+	 * 8: ?
+	 * 9: ?
+	 * A: Green jack sense (Front)
+	 * B: ?
+	 * C: Black jack sense (Rear/Side Right)
+	 * D: Yellow jack sense (Center/LFE/Side Left)
+	 * E: ?
+	 * F: ?
+	 *
+	 * Digital Out/Line in switch using A_IOCFG bit 3 (0x08)
+	 * 0 - Digital Out
+	 * 1 - Line in
+	 */
+	/* Mic input not tested.
+	 * Analog CD input not tested
+	 * Digital Out not tested.
+	 * Line in working.
+	 * Audio output 5.1 working. Side outputs not working.
+	 */
+	/* DSP: CA10300-IAT LF
+	 * DAC: Cirrus Logic CS4382-KQZ
+	 * ADC: Philips 1361T
+	 * AC97: Sigmatel STAC9750
+	 * CA0151: None
+	 */
+	{.vendor = 0x1102, .device = 0x0008, .subsystem = 0x10211102,
+	 .driver = "Audigy2", .name = "SB Audigy 4 [SB0610]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0108_chip = 1,
+	 .spk71 = 1,
+	 .adc_1361t = 1,  /* 24 bit capture instead of 16bit */
+	 .ac97_chip = 1} ,
+	/* Audigy 2 Value AC3 out does not work yet.
+	 * Need to find out how to turn off interpolators.
+	 */
+	/* Tested by James@superbug.co.uk 3rd July 2005 */
+	/* DSP: CA0108-IAT
+	 * DAC: CS4382-KQ
+	 * ADC: Philips 1361T
+	 * AC97: STAC9750
+	 * CA0151: None
+	 */
+	/*
+	 * A_IOCFG Input (GPIO)
+	 * 0x400  = Front analog jack plugged in. (Green socket)
+	 * 0x1000 = Rear analog jack plugged in. (Black socket)
+	 * 0x2000 = Center/LFE analog jack plugged in. (Orange socket)
+	 * A_IOCFG Output (GPIO)
+	 * 0x60 = Sound out of front Left.
+	 * Win sets it to 0xXX61
+	 */
+	{.vendor = 0x1102, .device = 0x0008, .subsystem = 0x10011102,
+	 .driver = "Audigy2", .name = "SB Audigy 2 Value [SB0400]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0108_chip = 1,
+	 .spk71 = 1,
+	 .ac97_chip = 1} ,
+	/* Audigy 2 ZS Notebook Cardbus card.*/
+	/* Tested by James@superbug.co.uk 6th November 2006 */
+	/* Audio output 7.1/Headphones working.
+	 * Digital output working. (AC3 not checked, only PCM)
+	 * Audio Mic/Line inputs working.
+	 * Digital input not tested.
+	 */
+	/* DSP: Tina2
+	 * DAC: Wolfson WM8768/WM8568
+	 * ADC: Wolfson WM8775
+	 * AC97: None
+	 * CA0151: None
+	 */
+	/* Tested by James@superbug.co.uk 4th April 2006 */
+	/* A_IOCFG bits
+	 * Output
+	 * 0: Not Used
+	 * 1: 0 = Mute all the 7.1 channel out. 1 = unmute.
+	 * 2: Analog input 0 = line in, 1 = mic in
+	 * 3: Not Used
+	 * 4: Digital output 0 = off, 1 = on.
+	 * 5: Not Used
+	 * 6: Not Used
+	 * 7: Not Used
+	 * Input
+	 *      All bits 1 (0x3fxx) means nothing plugged in.
+	 * 8-9: 0 = Line in/Mic, 2 = Optical in, 3 = Nothing.
+	 * A-B: 0 = Headphones, 2 = Optical out, 3 = Nothing.
+	 * C-D: 2 = Front/Rear/etc, 3 = nothing.
+	 * E-F: Always 0
+	 *
+	 */
+	{.vendor = 0x1102, .device = 0x0008, .subsystem = 0x20011102,
+	 .driver = "Audigy2", .name = "Audigy 2 ZS Notebook [SB0530]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0108_chip = 1,
+	 .ca_cardbus_chip = 1,
+	 .spi_dac = 1,
+	 .i2c_adc = 1,
+	 .spk71 = 1} ,
+	/* This is MAEM8950 "Mana" */
+	/* Attach MicroDock[M] to make it an E-MU 1616[m]. */
+	/* Does NOT support sync daughter card (obviously). */
+	/* Tested by James@superbug.co.uk 4th Nov 2007. */
+	{.vendor = 0x1102, .device = 0x0008, .subsystem = 0x42011102,
+	 .driver = "Audigy2", .name = "E-MU 02 CardBus [MAEM8950]",
+	 .id = "EMU1010",
+	 .emu10k2_chip = 1,
+	 .ca0108_chip = 1,
+	 .ca_cardbus_chip = 1,
+	 .spk71 = 1 ,
+	 .emu_model = EMU_MODEL_EMU1616},
+	/* Tested by James@superbug.co.uk 4th Nov 2007. */
+	/* This is MAEM8960 "Hana3", 0202 is MAEM8980 */
+	/* Attach 0202 daughter card to make it an E-MU 1212m, OR a
+	 * MicroDock[M] to make it an E-MU 1616[m]. */
+	/* Does NOT support sync daughter card. */
+	{.vendor = 0x1102, .device = 0x0008, .subsystem = 0x40041102,
+	 .driver = "Audigy2", .name = "E-MU 1010b PCI [MAEM8960]",
+	 .id = "EMU1010",
+	 .emu10k2_chip = 1,
+	 .ca0108_chip = 1,
+	 .spk71 = 1,
+	 .emu_model = EMU_MODEL_EMU1010B}, /* EMU 1010 new revision */
+	/* Tested by Maxim Kachur <mcdebugger@duganet.ru> 17th Oct 2012. */
+	/* This is MAEM8986, 0202 is MAEM8980 */
+	/* Attach 0202 daughter card to make it an E-MU 1212m, OR a
+	 * MicroDockM to make it an E-MU 1616m. The non-m
+	 * version was never sold with this card, but should
+	 * still work. */
+	/* Does NOT support sync daughter card. */
+	{.vendor = 0x1102, .device = 0x0008, .subsystem = 0x40071102,
+	 .driver = "Audigy2", .name = "E-MU 1010 PCIe [MAEM8986]",
+	 .id = "EMU1010",
+	 .emu10k2_chip = 1,
+	 .ca0108_chip = 1,
+	 .spk71 = 1,
+	 .emu_model = EMU_MODEL_EMU1010B}, /* EMU 1010 PCIe */
+	/* Tested by James@superbug.co.uk 8th July 2005. */
+	/* This is MAEM8810 "Hana", 0202 is MAEM8820 "Hamoa" */
+	/* Attach 0202 daughter card to make it an E-MU 1212m, OR an
+	 * AudioDock[M] to make it an E-MU 1820[m]. */
+	/* Supports sync daughter card. */
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x40011102,
+	 .driver = "Audigy2", .name = "E-MU 1010 [MAEM8810]",
+	 .id = "EMU1010",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .spk71 = 1,
+	 .emu_model = EMU_MODEL_EMU1010}, /* EMU 1010 old revision */
+	/* This is MAEM8852 "HanaLiteLite" */
+	/* Supports sync daughter card. */
+	/* Tested by oswald.buddenhagen@gmx.de Mar 2023. */
+	{.vendor = 0x1102, .device = 0x0008, .subsystem = 0x40021102,
+	 .driver = "Audigy2", .name = "E-MU 0404b PCI [MAEM8852]",
+	 .id = "EMU0404",
+	 .emu10k2_chip = 1,
+	 .ca0108_chip = 1,
+	 .spk20 = 1,
+	 .no_adat = 1,
+	 .emu_model = EMU_MODEL_EMU0404}, /* EMU 0404 new revision */
+	/* This is MAEM8850 "HanaLite" */
+	/* Supports sync daughter card. */
+	/* Tested by James@superbug.co.uk 20-3-2007. */
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x40021102,
+	 .driver = "Audigy2", .name = "E-MU 0404 [MAEM8850]",
+	 .id = "EMU0404",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .spk20 = 1,
+	 .no_adat = 1,
+	 .emu_model = EMU_MODEL_EMU0404}, /* EMU 0404 */
+	/* EMU0404 PCIe */
+	/* Does NOT support sync daughter card. */
+	{.vendor = 0x1102, .device = 0x0008, .subsystem = 0x40051102,
+	 .driver = "Audigy2", .name = "E-MU 0404 PCIe [MAEM8984]",
+	 .id = "EMU0404",
+	 .emu10k2_chip = 1,
+	 .ca0108_chip = 1,
+	 .spk20 = 1,
+	 .no_adat = 1,
+	 .emu_model = EMU_MODEL_EMU0404}, /* EMU 0404 PCIe ver_03 */
+	{.vendor = 0x1102, .device = 0x0008,
+	 .driver = "Audigy2", .name = "SB Audigy 2 Value [Unknown]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0108_chip = 1,
+	 .ac97_chip = 1} ,
+	/* Tested by James@superbug.co.uk 3rd July 2005 */
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20071102,
+	 .driver = "Audigy2", .name = "SB Audigy 4 PRO [SB0380]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .ca0151_chip = 1,
+	 .spk71 = 1,
+	 .spdif_bug = 1,
+	 .ac97_chip = 1} ,
+	/* Tested by shane-alsa@cm.nu 5th Nov 2005 */
+	/* The 0x20061102 does have SB0350 written on it
+	 * Just like 0x20021102
+	 */
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20061102,
+	 .driver = "Audigy2", .name = "SB Audigy 2 [SB0350b]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .ca0151_chip = 1,
+	 .spk71 = 1,
+	 .spdif_bug = 1,
+	 .invert_shared_spdif = 1,	/* digital/analog switch swapped */
+	 .ac97_chip = 1} ,
+	/* 0x20051102 also has SB0350 written on it, treated as Audigy 2 ZS by
+	   Creative's Windows driver */
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20051102,
+	 .driver = "Audigy2", .name = "SB Audigy 2 ZS [SB0350a]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .ca0151_chip = 1,
+	 .spk71 = 1,
+	 .spdif_bug = 1,
+	 .invert_shared_spdif = 1,	/* digital/analog switch swapped */
+	 .ac97_chip = 1} ,
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20021102,
+	 .driver = "Audigy2", .name = "SB Audigy 2 ZS [SB0350]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .ca0151_chip = 1,
+	 .spk71 = 1,
+	 .spdif_bug = 1,
+	 .invert_shared_spdif = 1,	/* digital/analog switch swapped */
+	 .ac97_chip = 1} ,
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20011102,
+	 .driver = "Audigy2", .name = "SB Audigy 2 ZS [SB0360]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .ca0151_chip = 1,
+	 .spk71 = 1,
+	 .spdif_bug = 1,
+	 .invert_shared_spdif = 1,	/* digital/analog switch swapped */
+	 .ac97_chip = 1} ,
+	/* Audigy 2 */
+	/* Tested by James@superbug.co.uk 3rd July 2005 */
+	/* DSP: CA0102-IAT
+	 * DAC: CS4382-KQ
+	 * ADC: Philips 1361T
+	 * AC97: STAC9721
+	 * CA0151: Yes
+	 */
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10071102,
+	 .driver = "Audigy2", .name = "SB Audigy 2 [SB0240]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .ca0151_chip = 1,
+	 .spk71 = 1,
+	 .spdif_bug = 1,
+	 .adc_1361t = 1,  /* 24 bit capture instead of 16bit */
+	 .ac97_chip = 1} ,
+	/* Audigy 2 Platinum EX */
+	/* Win driver sets A_IOCFG output to 0x1c00 */
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10051102,
+	 .driver = "Audigy2", .name = "Audigy 2 Platinum EX [SB0280]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .ca0151_chip = 1,
+	 .spk71 = 1,
+	 .spdif_bug = 1} ,
+	/* Dell OEM/Creative Labs Audigy 2 ZS */
+	/* See ALSA bug#1365 */
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10031102,
+	 .driver = "Audigy2", .name = "SB Audigy 2 ZS [SB0353]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .ca0151_chip = 1,
+	 .spk71 = 1,
+	 .spdif_bug = 1,
+	 .invert_shared_spdif = 1,	/* digital/analog switch swapped */
+	 .ac97_chip = 1} ,
+	/* Audigy 2 Platinum */
+	/* Win driver sets A_IOCFG output to 0xa00 */
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10021102,
+	 .driver = "Audigy2", .name = "SB Audigy 2 Platinum [SB0240P]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .ca0151_chip = 1,
+	 .spk71 = 1,
+	 .spdif_bug = 1,
+	 .invert_shared_spdif = 1,	/* digital/analog switch swapped */
+	 .adc_1361t = 1,  /* 24 bit capture instead of 16bit. Fixes ALSA bug#324 */
+	 .ac97_chip = 1} ,
+	{.vendor = 0x1102, .device = 0x0004, .revision = 0x04,
+	 .driver = "Audigy2", .name = "SB Audigy 2 [Unknown]",
+	 .id = "Audigy2",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .ca0151_chip = 1,
+	 .spdif_bug = 1,
+	 .ac97_chip = 1} ,
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x00531102,
+	 .driver = "Audigy", .name = "SB Audigy 1 [SB0092]",
+	 .id = "Audigy",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .ac97_chip = 1} ,
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x00521102,
+	 .driver = "Audigy", .name = "SB Audigy 1 ES [SB0160]",
+	 .id = "Audigy",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .spdif_bug = 1,
+	 .ac97_chip = 1} ,
+	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x00511102,
+	 .driver = "Audigy", .name = "SB Audigy 1 [SB0090]",
+	 .id = "Audigy",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .ac97_chip = 1} ,
+	{.vendor = 0x1102, .device = 0x0004,
+	 .driver = "Audigy", .name = "Audigy 1 [Unknown]",
+	 .id = "Audigy",
+	 .emu10k2_chip = 1,
+	 .ca0102_chip = 1,
+	 .ac97_chip = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x100a1102,
+	 .driver = "EMU10K1", .name = "SB Live! 5.1 [SB0220]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x806b1102,
+	 .driver = "EMU10K1", .name = "SB Live! [SB0105]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x806a1102,
+	 .driver = "EMU10K1", .name = "SB Live! Value [SB0103]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80691102,
+	 .driver = "EMU10K1", .name = "SB Live! Value [SB0101]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	/* Tested by ALSA bug#1680 26th December 2005 */
+	/* note: It really has SB0220 written on the card, */
+	/* but it's SB0228 according to kx.inf */
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80661102,
+	 .driver = "EMU10K1", .name = "SB Live! 5.1 Dell OEM [SB0228]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	/* Tested by Thomas Zehetbauer 27th Aug 2005 */
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80651102,
+	 .driver = "EMU10K1", .name = "SB Live! 5.1 [SB0220]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80641102,
+	 .driver = "EMU10K1", .name = "SB Live! 5.1",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	/* Tested by alsa bugtrack user "hus" bug #1297 12th Aug 2005 */
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80611102,
+	 .driver = "EMU10K1", .name = "SB Live! 5.1 [SB0060]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 2, /* ac97 is optional; both SBLive 5.1 and platinum
+			  * share the same IDs!
+			  */
+	 .sblive51 = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80511102,
+	 .driver = "EMU10K1", .name = "SB Live! Value [CT4850]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	/* SB Live! Platinum */
+	/* Win driver sets A_IOCFG output to 0 */
+	/* Tested by Jonathan Dowland <jon@dow.land> Apr 2023. */
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80401102,
+	 .driver = "EMU10K1", .name = "SB Live! Platinum [CT4760P]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80321102,
+	 .driver = "EMU10K1", .name = "SB Live! Value [CT4871]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80311102,
+	 .driver = "EMU10K1", .name = "SB Live! Value [CT4831]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80281102,
+	 .driver = "EMU10K1", .name = "SB Live! Value [CT4870]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	/* Tested by James@superbug.co.uk 3rd July 2005 */
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80271102,
+	 .driver = "EMU10K1", .name = "SB Live! Value [CT4832]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80261102,
+	 .driver = "EMU10K1", .name = "SB Live! Value [CT4830]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80231102,
+	 .driver = "EMU10K1", .name = "SB PCI512 [CT4790]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80221102,
+	 .driver = "EMU10K1", .name = "SB Live! Value [CT4780]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x40011102,
+	 .driver = "EMU10K1", .name = "E-MU APS [PC545]",
+	 .id = "APS",
+	 .emu10k1_chip = 1,
+	 .ecard = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x00211102,
+	 .driver = "EMU10K1", .name = "SB Live! [CT4620]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x00201102,
+	 .driver = "EMU10K1", .name = "SB Live! Value [CT4670]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	{.vendor = 0x1102, .device = 0x0002,
+	 .driver = "EMU10K1", .name = "SB Live! [Unknown]",
+	 .id = "Live",
+	 .emu10k1_chip = 1,
+	 .ac97_chip = 1,
+	 .sblive51 = 1} ,
+	{ } /* terminator */
+};
+
+/*
+ * The chip (at least the Audigy 2 CA0102 chip, but most likely others, too)
+ * has a problem that from time to time it likes to do few DMA reads a bit
+ * beyond its normal allocation and gets very confused if these reads get
+ * blocked by a IOMMU.
+ *
+ * This behaviour has been observed for the first (reserved) page
+ * (for which it happens multiple times at every playback), often for various
+ * synth pages and sometimes for PCM playback buffers and the page table
+ * memory itself.
+ *
+ * As a workaround let's widen these DMA allocations by an extra page if we
+ * detect that the device is behind a non-passthrough IOMMU.
+ */
+static void snd_emu10k1_detect_iommu(struct snd_emu10k1 *emu)
+{
+	struct iommu_domain *domain;
+
+	emu->iommu_workaround = false;
+
+	domain = iommu_get_domain_for_dev(emu->card->dev);
+	if (!domain || domain->type == IOMMU_DOMAIN_IDENTITY)
+		return;
+
+	dev_notice(emu->card->dev,
+		   "non-passthrough IOMMU detected, widening DMA allocations");
+	emu->iommu_workaround = true;
+}
+
+int snd_emu10k1_create(struct snd_card *card,
+		       struct pci_dev *pci,
+		       unsigned short extin_mask,
+		       unsigned short extout_mask,
+		       long max_cache_bytes,
+		       int enable_ir,
+		       uint subsystem)
+{
+	struct snd_emu10k1 *emu = card->private_data;
+	int idx, err;
+	int is_audigy;
+	size_t page_table_size;
+	__le32 *pgtbl;
+	unsigned int silent_page;
+	const struct snd_emu_chip_details *c;
+
+	/* enable PCI device */
+	err = pcim_enable_device(pci);
+	if (err < 0)
+		return err;
+
+	card->private_free = snd_emu10k1_free;
+	emu->card = card;
+	spin_lock_init(&emu->reg_lock);
+	spin_lock_init(&emu->emu_lock);
+	spin_lock_init(&emu->spi_lock);
+	spin_lock_init(&emu->i2c_lock);
+	spin_lock_init(&emu->voice_lock);
+	spin_lock_init(&emu->synth_lock);
+	spin_lock_init(&emu->memblk_lock);
+	mutex_init(&emu->fx8010.lock);
+	INIT_LIST_HEAD(&emu->mapped_link_head);
+	INIT_LIST_HEAD(&emu->mapped_order_link_head);
+	emu->pci = pci;
+	emu->irq = -1;
+	emu->synth = NULL;
+	emu->get_synth_voice = NULL;
+	INIT_WORK(&emu->emu1010.firmware_work, emu1010_firmware_work);
+	INIT_WORK(&emu->emu1010.clock_work, emu1010_clock_work);
+	/* read revision & serial */
+	emu->revision = pci->revision;
+	pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &emu->serial);
+	pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &emu->model);
+	dev_dbg(card->dev,
+		"vendor = 0x%x, device = 0x%x, subsystem_vendor_id = 0x%x, subsystem_id = 0x%x\n",
+		pci->vendor, pci->device, emu->serial, emu->model);
+
+	for (c = emu_chip_details; c->vendor; c++) {
+		if (c->vendor == pci->vendor && c->device == pci->device) {
+			if (subsystem) {
+				if (c->subsystem && (c->subsystem == subsystem))
+					break;
+				else
+					continue;
+			} else {
+				if (c->subsystem && (c->subsystem != emu->serial))
+					continue;
+				if (c->revision && c->revision != emu->revision)
+					continue;
+			}
+			break;
+		}
+	}
+	if (c->vendor == 0) {
+		dev_err(card->dev, "emu10k1: Card not recognised\n");
+		return -ENOENT;
+	}
+	emu->card_capabilities = c;
+	if (c->subsystem && !subsystem)
+		dev_dbg(card->dev, "Sound card name = %s\n", c->name);
+	else if (subsystem)
+		dev_dbg(card->dev, "Sound card name = %s, "
+			"vendor = 0x%x, device = 0x%x, subsystem = 0x%x. "
+			"Forced to subsystem = 0x%x\n",	c->name,
+			pci->vendor, pci->device, emu->serial, c->subsystem);
+	else
+		dev_dbg(card->dev, "Sound card name = %s, "
+			"vendor = 0x%x, device = 0x%x, subsystem = 0x%x.\n",
+			c->name, pci->vendor, pci->device,
+			emu->serial);
+
+	if (!*card->id && c->id)
+		strscpy(card->id, c->id, sizeof(card->id));
+
+	is_audigy = emu->audigy = c->emu10k2_chip;
+
+	snd_emu10k1_detect_iommu(emu);
+
+	/* set addressing mode */
+	emu->address_mode = is_audigy ? 0 : 1;
+	/* set the DMA transfer mask */
+	emu->dma_mask = emu->address_mode ? EMU10K1_DMA_MASK : AUDIGY_DMA_MASK;
+	if (dma_set_mask_and_coherent(&pci->dev, emu->dma_mask) < 0) {
+		dev_err(card->dev,
+			"architecture does not support PCI busmaster DMA with mask 0x%lx\n",
+			emu->dma_mask);
+		return -ENXIO;
+	}
+	if (is_audigy)
+		emu->gpr_base = A_FXGPREGBASE;
+	else
+		emu->gpr_base = FXGPREGBASE;
+
+	err = pci_request_regions(pci, "EMU10K1");
+	if (err < 0)
+		return err;
+	emu->port = pci_resource_start(pci, 0);
+
+	emu->max_cache_pages = max_cache_bytes >> PAGE_SHIFT;
+
+	page_table_size = sizeof(u32) * (emu->address_mode ? MAXPAGES1 :
+					 MAXPAGES0);
+	if (snd_emu10k1_alloc_pages_maybe_wider(emu, page_table_size,
+						&emu->ptb_pages) < 0)
+		return -ENOMEM;
+	dev_dbg(card->dev, "page table address range is %.8lx:%.8lx\n",
+		(unsigned long)emu->ptb_pages.addr,
+		(unsigned long)(emu->ptb_pages.addr + emu->ptb_pages.bytes));
+
+	emu->page_ptr_table = vmalloc(array_size(sizeof(void *),
+						 emu->max_cache_pages));
+	emu->page_addr_table = vmalloc(array_size(sizeof(unsigned long),
+						  emu->max_cache_pages));
+	if (!emu->page_ptr_table || !emu->page_addr_table)
+		return -ENOMEM;
+
+	if (snd_emu10k1_alloc_pages_maybe_wider(emu, EMUPAGESIZE,
+						&emu->silent_page) < 0)
+		return -ENOMEM;
+	dev_dbg(card->dev, "silent page range is %.8lx:%.8lx\n",
+		(unsigned long)emu->silent_page.addr,
+		(unsigned long)(emu->silent_page.addr +
+				emu->silent_page.bytes));
+
+	emu->memhdr = snd_util_memhdr_new(emu->max_cache_pages * PAGE_SIZE);
+	if (!emu->memhdr)
+		return -ENOMEM;
+	emu->memhdr->block_extra_size = sizeof(struct snd_emu10k1_memblk) -
+		sizeof(struct snd_util_memblk);
+
+	pci_set_master(pci);
+
+	// The masks are not used for Audigy.
+	// FIXME: these should come from the card_capabilites table.
+	if (extin_mask == 0)
+		extin_mask = 0x3fcf;  // EXTIN_*
+	if (extout_mask == 0)
+		extout_mask = 0x7fff;  // EXTOUT_*
+	emu->fx8010.extin_mask = extin_mask;
+	emu->fx8010.extout_mask = extout_mask;
+	emu->enable_ir = enable_ir;
+
+	if (emu->card_capabilities->ca_cardbus_chip) {
+		err = snd_emu10k1_cardbus_init(emu);
+		if (err < 0)
+			return err;
+	}
+	if (emu->card_capabilities->ecard) {
+		err = snd_emu10k1_ecard_init(emu);
+		if (err < 0)
+			return err;
+	} else if (emu->card_capabilities->emu_model) {
+		err = snd_emu10k1_emu1010_init(emu);
+		if (err < 0)
+			return err;
+	} else {
+		/* 5.1: Enable the additional AC97 Slots. If the emu10k1 version
+			does not support this, it shouldn't do any harm */
+		snd_emu10k1_ptr_write(emu, AC97SLOT, 0,
+					AC97SLOT_CNTR|AC97SLOT_LFE);
+	}
+
+	/* initialize TRAM setup */
+	emu->fx8010.itram_size = (16 * 1024)/2;
+	emu->fx8010.etram_pages.area = NULL;
+	emu->fx8010.etram_pages.bytes = 0;
+
+	/* irq handler must be registered after I/O ports are activated */
+	if (devm_request_irq(&pci->dev, pci->irq, snd_emu10k1_interrupt,
+			     IRQF_SHARED, KBUILD_MODNAME, emu))
+		return -EBUSY;
+	emu->irq = pci->irq;
+	card->sync_irq = emu->irq;
+
+	/*
+	 *  Init to 0x02109204 :
+	 *  Clock accuracy    = 0     (1000ppm)
+	 *  Sample Rate       = 2     (48kHz)
+	 *  Audio Channel     = 1     (Left of 2)
+	 *  Source Number     = 0     (Unspecified)
+	 *  Generation Status = 1     (Original for Cat Code 12)
+	 *  Cat Code          = 12    (Digital Signal Mixer)
+	 *  Mode              = 0     (Mode 0)
+	 *  Emphasis          = 0     (None)
+	 *  CP                = 1     (Copyright unasserted)
+	 *  AN                = 0     (Audio data)
+	 *  P                 = 0     (Consumer)
+	 */
+	emu->spdif_bits[0] = emu->spdif_bits[1] =
+		emu->spdif_bits[2] = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
+		SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
+		SPCS_GENERATIONSTATUS | 0x00001200 |
+		0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT;
+
+	/* Clear silent pages and set up pointers */
+	memset(emu->silent_page.area, 0, emu->silent_page.bytes);
+	silent_page = emu->silent_page.addr << emu->address_mode;
+	pgtbl = (__le32 *)emu->ptb_pages.area;
+	for (idx = 0; idx < (emu->address_mode ? MAXPAGES1 : MAXPAGES0); idx++)
+		pgtbl[idx] = cpu_to_le32(silent_page | idx);
+
+	/* set up voice indices */
+	for (idx = 0; idx < NUM_G; idx++)
+		emu->voices[idx].number = idx;
+
+	err = snd_emu10k1_init(emu, enable_ir);
+	if (err < 0)
+		return err;
+#ifdef CONFIG_PM_SLEEP
+	err = alloc_pm_buffer(emu);
+	if (err < 0)
+		return err;
+#endif
+
+	/*  Initialize the effect engine */
+	err = snd_emu10k1_init_efx(emu);
+	if (err < 0)
+		return err;
+	snd_emu10k1_audio_enable(emu);
+
+#ifdef CONFIG_SND_PROC_FS
+	snd_emu10k1_proc_init(emu);
+#endif
+	return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static const unsigned char saved_regs[] = {
+	CPF, PTRX, CVCF, VTFT, Z1, Z2, PSST, DSL, CCCA, CCR, CLP,
+	FXRT, MAPA, MAPB, ENVVOL, ATKHLDV, DCYSUSV, LFOVAL1, ENVVAL,
+	ATKHLDM, DCYSUSM, LFOVAL2, IP, IFATN, PEFE, FMMOD, TREMFRQ, FM2FRQ2,
+	TEMPENV, ADCCR, FXWC, MICBA, ADCBA, FXBA,
+	MICBS, ADCBS, FXBS, CDCS, GPSCS, SPCS0, SPCS1, SPCS2,
+	SPBYPASS, AC97SLOT, CDSRCS, GPSRCS, ZVSRCS, MICIDX, ADCIDX, FXIDX,
+	0xff /* end */
+};
+static const unsigned char saved_regs_audigy[] = {
+	A_ADCIDX, A_MICIDX, A_FXWC1, A_FXWC2, A_EHC,
+	A_FXRT2, A_SENDAMOUNTS, A_FXRT1,
+	0xff /* end */
+};
+
+static int alloc_pm_buffer(struct snd_emu10k1 *emu)
+{
+	int size;
+
+	size = ARRAY_SIZE(saved_regs);
+	if (emu->audigy)
+		size += ARRAY_SIZE(saved_regs_audigy);
+	emu->saved_ptr = vmalloc(array3_size(4, NUM_G, size));
+	if (!emu->saved_ptr)
+		return -ENOMEM;
+	if (snd_emu10k1_efx_alloc_pm_buffer(emu) < 0)
+		return -ENOMEM;
+	if (emu->card_capabilities->ca0151_chip &&
+	    snd_p16v_alloc_pm_buffer(emu) < 0)
+		return -ENOMEM;
+	return 0;
+}
+
+static void free_pm_buffer(struct snd_emu10k1 *emu)
+{
+	vfree(emu->saved_ptr);
+	snd_emu10k1_efx_free_pm_buffer(emu);
+	if (emu->card_capabilities->ca0151_chip)
+		snd_p16v_free_pm_buffer(emu);
+}
+
+void snd_emu10k1_suspend_regs(struct snd_emu10k1 *emu)
+{
+	int i;
+	const unsigned char *reg;
+	unsigned int *val;
+
+	val = emu->saved_ptr;
+	for (reg = saved_regs; *reg != 0xff; reg++)
+		for (i = 0; i < NUM_G; i++, val++)
+			*val = snd_emu10k1_ptr_read(emu, *reg, i);
+	if (emu->audigy) {
+		for (reg = saved_regs_audigy; *reg != 0xff; reg++)
+			for (i = 0; i < NUM_G; i++, val++)
+				*val = snd_emu10k1_ptr_read(emu, *reg, i);
+	}
+	if (emu->audigy)
+		emu->saved_a_iocfg = inw(emu->port + A_IOCFG);
+	emu->saved_hcfg = inl(emu->port + HCFG);
+}
+
+void snd_emu10k1_resume_init(struct snd_emu10k1 *emu)
+{
+	if (emu->card_capabilities->ca_cardbus_chip)
+		snd_emu10k1_cardbus_init(emu);
+	if (emu->card_capabilities->ecard)
+		snd_emu10k1_ecard_init(emu);
+	else if (emu->card_capabilities->emu_model)
+		snd_emu10k1_emu1010_init(emu);
+	else
+		snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_CNTR|AC97SLOT_LFE);
+	snd_emu10k1_init(emu, emu->enable_ir);
+}
+
+void snd_emu10k1_resume_regs(struct snd_emu10k1 *emu)
+{
+	int i;
+	const unsigned char *reg;
+	unsigned int *val;
+
+	snd_emu10k1_audio_enable(emu);
+
+	/* resore for spdif */
+	if (emu->audigy)
+		outw(emu->saved_a_iocfg, emu->port + A_IOCFG);
+	outl(emu->saved_hcfg, emu->port + HCFG);
+
+	val = emu->saved_ptr;
+	for (reg = saved_regs; *reg != 0xff; reg++)
+		for (i = 0; i < NUM_G; i++, val++)
+			snd_emu10k1_ptr_write(emu, *reg, i, *val);
+	if (emu->audigy) {
+		for (reg = saved_regs_audigy; *reg != 0xff; reg++)
+			for (i = 0; i < NUM_G; i++, val++)
+				snd_emu10k1_ptr_write(emu, *reg, i, *val);
+	}
+}
+#endif