[ALSA] Emagic Audiowerk 2 ALSA driver.

Signed-off-by: Cedric Bregardis <cedric.bregardis@free.fr>
Signed-off-by: Jean-Christian Hassler <jhassler@free.fr>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/Kconfig

@@ -122,6 +122,21 @@ config SND_AU8830
 	  To compile this driver as a module, choose M here: the module
 	  will be called snd-au8830.
 
+config SND_AW2
+	tristate "Emagic Audiowerk 2"
+	depends on SND
+	help
+	  Say Y here to include support for Emagic Audiowerk 2 soundcards.
+
+	  Supported features: Analog and SPDIF output. Analog or SPDIF input.
+	  Note: Switch between analog and digital input does not always work.
+	  It can produce continuous noise. The workaround is to switch again
+	  (and again) between digital and analog input until it works.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called snd-aw2.
+
+
 config SND_AZT3328
 	tristate "Aztech AZF3328 / PCI168 (EXPERIMENTAL)"
 	depends on SND && EXPERIMENTAL

sound/pci/Makefile

@@ -58,6 +58,7 @@ obj-$(CONFIG_SND) += \
 	ac97/ \
 	ali5451/ \
 	au88x0/ \
+	aw2/ \
 	ca0106/ \
 	cs46xx/ \
 	cs5535audio/ \

sound/pci/aw2/Makefile

+snd-aw2-objs := aw2-alsa.o aw2-saa7146.o
+
+obj-$(CONFIG_SND_AW2) += snd-aw2.o

sound/pci/aw2/aw2-saa7146.h

+/*****************************************************************************
+ *
+ * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and
+ * Jean-Christian Hassler <jhassler@free.fr>
+ *
+ * This file is part of the Audiowerk2 ALSA driver
+ *
+ * The Audiowerk2 ALSA driver 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; version 2.
+ *
+ * The Audiowerk2 ALSA driver 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 the Audiowerk2 ALSA driver; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
+ * USA.
+ *
+ *****************************************************************************/
+
+#ifndef AW2_SAA7146_H
+#define AW2_SAA7146_H
+
+#define NB_STREAM_PLAYBACK 2
+#define NB_STREAM_CAPTURE 1
+
+#define NUM_STREAM_PLAYBACK_ANA 0
+#define NUM_STREAM_PLAYBACK_DIG 1
+
+#define NUM_STREAM_CAPTURE_ANA 0
+
+typedef void (*snd_aw2_saa7146_it_cb) (void *);
+
+struct snd_aw2_saa7146_cb_param {
+	snd_aw2_saa7146_it_cb p_it_callback;
+	void *p_callback_param;
+};
+
+/* definition of the chip-specific record */
+
+struct snd_aw2_saa7146 {
+	void __iomem *base_addr;
+};
+
+extern void snd_aw2_saa7146_setup(struct snd_aw2_saa7146 *chip,
+				  void __iomem *pci_base_addr);
+extern int snd_aw2_saa7146_free(struct snd_aw2_saa7146 *chip);
+
+extern void snd_aw2_saa7146_pcm_init_playback(struct snd_aw2_saa7146 *chip,
+					      int stream_number,
+					      unsigned long dma_addr,
+					      unsigned long period_size,
+					      unsigned long buffer_size);
+extern void snd_aw2_saa7146_pcm_init_capture(struct snd_aw2_saa7146 *chip,
+					     int stream_number,
+					     unsigned long dma_addr,
+					     unsigned long period_size,
+					     unsigned long buffer_size);
+extern void snd_aw2_saa7146_define_it_playback_callback(unsigned int
+							stream_number,
+							snd_aw2_saa7146_it_cb
+							p_it_callback,
+							void *p_callback_param);
+extern void snd_aw2_saa7146_define_it_capture_callback(unsigned int
+						       stream_number,
+						       snd_aw2_saa7146_it_cb
+						       p_it_callback,
+						       void *p_callback_param);
+extern void snd_aw2_saa7146_pcm_trigger_start_capture(struct snd_aw2_saa7146
+						      *chip, int stream_number);
+extern void snd_aw2_saa7146_pcm_trigger_stop_capture(struct snd_aw2_saa7146
+						     *chip, int stream_number);
+
+extern void snd_aw2_saa7146_pcm_trigger_start_playback(struct snd_aw2_saa7146
+						       *chip,
+						       int stream_number);
+extern void snd_aw2_saa7146_pcm_trigger_stop_playback(struct snd_aw2_saa7146
+						      *chip, int stream_number);
+
+extern irqreturn_t snd_aw2_saa7146_interrupt(int irq, void *dev_id);
+extern unsigned int snd_aw2_saa7146_get_hw_ptr_playback(struct snd_aw2_saa7146
+							*chip,
+							int stream_number,
+							unsigned char
+							*start_addr,
+							unsigned int
+							buffer_size);
+extern unsigned int snd_aw2_saa7146_get_hw_ptr_capture(struct snd_aw2_saa7146
+						       *chip,
+						       int stream_number,
+						       unsigned char
+						       *start_addr,
+						       unsigned int
+						       buffer_size);
+
+extern void snd_aw2_saa7146_use_digital_input(struct snd_aw2_saa7146 *chip,
+					      int use_digital);
+
+extern int snd_aw2_saa7146_is_using_digital_input(struct snd_aw2_saa7146
+						  *chip);
+
+#endif

sound/pci/aw2/aw2-tsl.h

+/*****************************************************************************
+ *
+ * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and
+ * Jean-Christian Hassler <jhassler@free.fr>
+ * Copyright 1998 Emagic Soft- und Hardware GmbH
+ * Copyright 2002 Martijn Sipkema
+ *
+ * This file is part of the Audiowerk2 ALSA driver
+ *
+ * The Audiowerk2 ALSA driver 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; version 2.
+ *
+ * The Audiowerk2 ALSA driver 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 the Audiowerk2 ALSA driver; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
+ * USA.
+ *
+ *****************************************************************************/
+
+#define TSL_WS0		(1UL << 31)
+#define	TSL_WS1		(1UL << 30)
+#define	TSL_WS2		(1UL << 29)
+#define TSL_WS3		(1UL << 28)
+#define TSL_WS4		(1UL << 27)
+#define	TSL_DIS_A1	(1UL << 24)
+#define TSL_SDW_A1	(1UL << 23)
+#define TSL_SIB_A1	(1UL << 22)
+#define TSL_SF_A1	(1UL << 21)
+#define	TSL_LF_A1	(1UL << 20)
+#define TSL_BSEL_A1	(1UL << 17)
+#define TSL_DOD_A1	(1UL << 15)
+#define TSL_LOW_A1	(1UL << 14)
+#define TSL_DIS_A2	(1UL << 11)
+#define TSL_SDW_A2	(1UL << 10)
+#define TSL_SIB_A2	(1UL << 9)
+#define TSL_SF_A2	(1UL << 8)
+#define TSL_LF_A2	(1UL << 7)
+#define TSL_BSEL_A2	(1UL << 4)
+#define TSL_DOD_A2	(1UL << 2)
+#define TSL_LOW_A2	(1UL << 1)
+#define TSL_EOS		(1UL << 0)
+
+    /* Audiowerk8 hardware setup: */
+    /*      WS0, SD4, TSL1  - Analog/ digital in */
+    /*      WS1, SD0, TSL1  - Analog out #1, digital out */
+    /*      WS2, SD2, TSL1  - Analog out #2 */
+    /*      WS3, SD1, TSL2  - Analog out #3 */
+    /*      WS4, SD3, TSL2  - Analog out #4 */
+
+    /* Audiowerk8 timing: */
+    /*      Timeslot:     | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | ... */
+
+    /*      A1_INPUT: */
+    /*      SD4:          <_ADC-L_>-------<_ADC-R_>-------< */
+    /*      WS0:          _______________/---------------\_ */
+
+    /*      A1_OUTPUT: */
+    /*      SD0:          <_1-L___>-------<_1-R___>-------< */
+    /*      WS1:          _______________/---------------\_ */
+    /*      SD2:          >-------<_2-L___>-------<_2-R___> */
+    /*      WS2:          -------\_______________/--------- */
+
+    /*      A2_OUTPUT: */
+    /*      SD1:          <_3-L___>-------<_3-R___>-------< */
+    /*      WS3:          _______________/---------------\_ */
+    /*      SD3:          >-------<_4-L___>-------<_4-R___> */
+    /*      WS4:          -------\_______________/--------- */
+
+#ifdef __BIG_ENDIAN
+    /* TODO: not yet implemented */
+#else /*  */
+
+static int tsl1[8] = {
+	1 * TSL_SDW_A1 | 3 * TSL_BSEL_A1 |
+	0 * TSL_DIS_A1 | 0 * TSL_DOD_A1 | TSL_LF_A1,
+
+	1 * TSL_SDW_A1 | 2 * TSL_BSEL_A1 |
+	0 * TSL_DIS_A1 | 0 * TSL_DOD_A1,
+
+	0 * TSL_SDW_A1 | 3 * TSL_BSEL_A1 |
+	0 * TSL_DIS_A1 | 0 * TSL_DOD_A1,
+
+	0 * TSL_SDW_A1 | 2 * TSL_BSEL_A1 |
+	0 * TSL_DIS_A1 | 0 * TSL_DOD_A1,
+
+	1 * TSL_SDW_A1 | 1 * TSL_BSEL_A1 |
+	0 * TSL_DIS_A1 | 0 * TSL_DOD_A1 | TSL_WS1 | TSL_WS0,
+
+	1 * TSL_SDW_A1 | 0 * TSL_BSEL_A1 |
+	0 * TSL_DIS_A1 | 0 * TSL_DOD_A1 | TSL_WS1 | TSL_WS0,
+
+	0 * TSL_SDW_A1 | 1 * TSL_BSEL_A1 |
+	0 * TSL_DIS_A1 | 0 * TSL_DOD_A1 | TSL_WS1 | TSL_WS0,
+
+	0 * TSL_SDW_A1 | 0 * TSL_BSEL_A1 | 0 * TSL_DIS_A1 |
+	0 * TSL_DOD_A1 | TSL_WS1 | TSL_WS0 | TSL_SF_A1 | TSL_EOS,
+};
+
+static int tsl2[8] = {
+	0 * TSL_SDW_A2 | 3 * TSL_BSEL_A2 | 2 * TSL_DOD_A2 | TSL_LF_A2,
+	0 * TSL_SDW_A2 | 2 * TSL_BSEL_A2 | 2 * TSL_DOD_A2,
+	0 * TSL_SDW_A2 | 3 * TSL_BSEL_A2 | 2 * TSL_DOD_A2,
+	0 * TSL_SDW_A2 | 2 * TSL_BSEL_A2 | 2 * TSL_DOD_A2,
+	0 * TSL_SDW_A2 | 1 * TSL_BSEL_A2 | 2 * TSL_DOD_A2 | TSL_WS2,
+	0 * TSL_SDW_A2 | 0 * TSL_BSEL_A2 | 2 * TSL_DOD_A2 | TSL_WS2,
+	0 * TSL_SDW_A2 | 1 * TSL_BSEL_A2 | 2 * TSL_DOD_A2 | TSL_WS2,
+	0 * TSL_SDW_A2 | 0 * TSL_BSEL_A2 | 2 * TSL_DOD_A2 | TSL_WS2 | TSL_EOS
+};
+
+#endif /*  */

sound/pci/aw2/saa7146.h

+/*****************************************************************************
+ *
+ * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and
+ * Jean-Christian Hassler <jhassler@free.fr>
+ *
+ * This file is part of the Audiowerk2 ALSA driver
+ *
+ * The Audiowerk2 ALSA driver 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; version 2.
+ *
+ * The Audiowerk2 ALSA driver 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 the Audiowerk2 ALSA driver; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
+ * USA.
+ *
+ *****************************************************************************/
+
+/* SAA7146 registers */
+#define PCI_BT_A	0x4C
+#define IICTFR		0x8C
+#define IICSTA		0x90
+#define BaseA1_in	0x94
+#define ProtA1_in	0x98
+#define PageA1_in	0x9C
+#define BaseA1_out	0xA0
+#define ProtA1_out	0xA4
+#define PageA1_out	0xA8
+#define BaseA2_in	0xAC
+#define ProtA2_in	0xB0
+#define PageA2_in	0xB4
+#define BaseA2_out	0xB8
+#define ProtA2_out	0xBC
+#define PageA2_out	0xC0
+#define IER		0xDC
+#define GPIO_CTRL	0xE0
+#define ACON1		0xF4
+#define ACON2		0xF8
+#define MC1		0xFC
+#define MC2		0x100
+#define ISR		0x10C
+#define PSR		0x110
+#define SSR		0x114
+#define PCI_ADP1	0x12C
+#define PCI_ADP2	0x130
+#define PCI_ADP3	0x134
+#define PCI_ADP4	0x138
+#define LEVEL_REP	0x140
+#define FB_BUFFER1	0x144
+#define FB_BUFFER2	0x148
+#define TSL1		0x180
+#define TSL2		0x1C0
+
+#define ME	(1UL << 11)
+#define LIMIT	(1UL << 4)
+#define PV	(1UL << 3)
+
+/* PSR/ISR/IER */
+#define PPEF		(1UL << 31)
+#define PABO		(1UL << 30)
+#define IIC_S		(1UL << 17)
+#define IIC_E		(1UL << 16)
+#define A2_in		(1UL << 15)
+#define A2_out		(1UL << 14)
+#define A1_in		(1UL << 13)
+#define A1_out		(1UL << 12)
+#define AFOU		(1UL << 11)
+#define PIN3		(1UL << 6)
+#define PIN2		(1UL << 5)
+#define PIN1		(1UL << 4)
+#define PIN0		(1UL << 3)
+#define ECS		(1UL << 2)
+#define EC3S		(1UL << 1)
+#define EC0S		(1UL << 0)
+
+/* SSR */
+#define PRQ		(1UL << 31)
+#define PMA		(1UL << 30)
+#define IIC_EA		(1UL << 21)
+#define IIC_EW		(1UL << 20)
+#define IIC_ER		(1UL << 19)
+#define IIC_EL		(1UL << 18)
+#define IIC_EF		(1UL << 17)
+#define AF2_in		(1UL << 10)
+#define AF2_out		(1UL << 9)
+#define AF1_in		(1UL << 8)
+#define AF1_out		(1UL << 7)
+#define EC5S		(1UL << 3)
+#define EC4S		(1UL << 2)
+#define EC2S		(1UL << 1)
+#define EC1S		(1UL << 0)
+
+/* PCI_BT_A */
+#define BurstA1_in	(1UL << 26)
+#define ThreshA1_in	(1UL << 24)
+#define BurstA1_out	(1UL << 18)
+#define ThreshA1_out	(1UL << 16)
+#define BurstA2_in	(1UL << 10)
+#define ThreshA2_in	(1UL << 8)
+#define BurstA2_out	(1UL << 2)
+#define ThreshA2_out	(1UL << 0)
+
+/* MC1 */
+#define MRST_N		(1UL << 15)
+#define EAP		(1UL << 9)
+#define EI2C		(1UL << 8)
+#define TR_E_A2_OUT	(1UL << 3)
+#define TR_E_A2_IN	(1UL << 2)
+#define TR_E_A1_OUT	(1UL << 1)
+#define TR_E_A1_IN	(1UL << 0)
+
+/* MC2 */
+#define UPLD_IIC	(1UL << 0)
+
+/* ACON1 */
+#define AUDIO_MODE	(1UL << 29)
+#define MAXLEVEL	(1UL << 22)
+#define A1_SWAP		(1UL << 21)
+#define A2_SWAP		(1UL << 20)
+#define WS0_CTRL	(1UL << 18)
+#define WS0_SYNC	(1UL << 16)
+#define WS1_CTRL	(1UL << 14)
+#define WS1_SYNC	(1UL << 12)
+#define WS2_CTRL	(1UL << 10)
+#define WS2_SYNC	(1UL << 8)
+#define WS3_CTRL	(1UL << 6)
+#define WS3_SYNC	(1UL << 4)
+#define WS4_CTRL	(1UL << 2)
+#define WS4_SYNC	(1UL << 0)
+
+/* ACON2 */
+#define A1_CLKSRC	(1UL << 27)
+#define A2_CLKSRC	(1UL << 22)
+#define INVERT_BCLK1	(1UL << 21)
+#define INVERT_BCLK2	(1UL << 20)
+#define BCLK1_OEN	(1UL << 19)
+#define BCLK2_OEN	(1UL << 18)
+
+/* IICSTA */
+#define IICCC		(1UL << 8)
+#define ABORT		(1UL << 7)
+#define SPERR		(1UL << 6)
+#define APERR		(1UL << 5)
+#define DTERR		(1UL << 4)
+#define DRERR		(1UL << 3)
+#define AL		(1UL << 2)
+#define ERR		(1UL << 1)
+#define BUSY		(1UL << 0)
+
+/* IICTFR */
+#define BYTE2		(1UL << 24)
+#define BYTE1		(1UL << 16)
+#define BYTE0		(1UL << 8)
+#define ATRR2		(1UL << 6)
+#define ATRR1		(1UL << 4)
+#define ATRR0		(1UL << 2)
+#define ERR		(1UL << 1)
+#define BUSY		(1UL << 0)
+
+#define START	3
+#define CONT	2
+#define STOP	1
+#define NOP	0