ALSA: Echoaudio: add support for Indigo express cards

This patch adds support for IndigoIOx and IndigoDJx.

Signed-off-by: Giuliano Pochini <pochini@shiny.it>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/Kconfig

@@ -400,6 +400,26 @@ config SND_INDIGODJ
 	  To compile this driver as a module, choose M here: the module
 	  will be called snd-indigodj
 
+config SND_INDIGOIOX
+	tristate "(Echoaudio) Indigo IOx"
+	select FW_LOADER
+	select SND_PCM
+	help
+	  Say 'Y' or 'M' to include support for Echoaudio Indigo IOx.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called snd-indigoiox
+
+config SND_INDIGODJX
+	tristate "(Echoaudio) Indigo DJx"
+	select FW_LOADER
+	select SND_PCM
+	help
+	  Say 'Y' or 'M' to include support for Echoaudio Indigo DJx.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called snd-indigodjx
+
 config SND_EMU10K1
 	tristate "Emu10k1 (SB Live!, Audigy, E-mu APS)"
 	select FW_LOADER

sound/pci/echoaudio/Makefile

@@ -15,6 +15,8 @@ snd-echo3g-objs := echo3g.o
 snd-indigo-objs := indigo.o
 snd-indigoio-objs := indigoio.o
 snd-indigodj-objs := indigodj.o
+snd-indigoiox-objs := indigoiox.o
+snd-indigodjx-objs := indigodjx.o
 
 obj-$(CONFIG_SND_DARLA20) += snd-darla20.o
 obj-$(CONFIG_SND_GINA20) += snd-gina20.o
@@ -28,3 +30,5 @@ obj-$(CONFIG_SND_ECHO3G) += snd-echo3g.o
 obj-$(CONFIG_SND_INDIGO) += snd-indigo.o
 obj-$(CONFIG_SND_INDIGOIO) += snd-indigoio.o
 obj-$(CONFIG_SND_INDIGODJ) += snd-indigodj.o
+obj-$(CONFIG_SND_INDIGOIOX) += snd-indigoiox.o
+obj-$(CONFIG_SND_INDIGODJX) += snd-indigodjx.o

sound/pci/echoaudio/echoaudio.h

@@ -189,6 +189,9 @@
 #define INDIGO			0x0090
 #define INDIGO_IO		0x00a0
 #define INDIGO_DJ		0x00b0
+#define DC8			0x00c0
+#define INDIGO_IOX		0x00d0
+#define INDIGO_DJX		0x00e0
 #define ECHO3G			0x0100
 
 

sound/pci/echoaudio/echoaudio_dsp.h

@@ -576,8 +576,13 @@ SET_LAYLA24_FREQUENCY_REG command.
 #define E3G_ASIC_NOT_LOADED		0xffff
 #define E3G_BOX_TYPE_MASK		0xf0
 
-#define EXT_3GBOX_NC			0x01
-#define EXT_3GBOX_NOT_SET		0x02
+/* Indigo express control register values */
+#define INDIGO_EXPRESS_32000		0x02
+#define INDIGO_EXPRESS_44100		0x01
+#define INDIGO_EXPRESS_48000		0x00
+#define INDIGO_EXPRESS_DOUBLE_SPEED	0x10
+#define INDIGO_EXPRESS_QUAD_SPEED	0x04
+#define INDIGO_EXPRESS_CLOCK_MASK	0x17
 
 
 /*

sound/pci/echoaudio/indigo_express_dsp.c

@@ -0,0 +1,119 @@
+/************************************************************************
+
+This file is part of Echo Digital Audio's generic driver library.
+Copyright Echo Digital Audio Corporation (c) 1998 - 2005
+All rights reserved
+www.echoaudio.com
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library 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
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+*************************************************************************
+
+ Translation from C++ and adaptation for use in ALSA-Driver
+ were made by Giuliano Pochini <pochini@shiny.it>
+
+*************************************************************************/
+
+static int set_sample_rate(struct echoaudio *chip, u32 rate)
+{
+	u32 clock, control_reg, old_control_reg;
+
+	if (wait_handshake(chip))
+		return -EIO;
+
+	old_control_reg = le32_to_cpu(chip->comm_page->control_register);
+	control_reg = old_control_reg & ~INDIGO_EXPRESS_CLOCK_MASK;
+
+	switch (rate) {
+	case 32000:
+		clock = INDIGO_EXPRESS_32000;
+		break;
+	case 44100:
+		clock = INDIGO_EXPRESS_44100;
+		break;
+	case 48000:
+		clock = INDIGO_EXPRESS_48000;
+		break;
+	case 64000:
+		clock = INDIGO_EXPRESS_32000|INDIGO_EXPRESS_DOUBLE_SPEED;
+		break;
+	case 88200:
+		clock = INDIGO_EXPRESS_44100|INDIGO_EXPRESS_DOUBLE_SPEED;
+		break;
+	case 96000:
+		clock = INDIGO_EXPRESS_48000|INDIGO_EXPRESS_DOUBLE_SPEED;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	control_reg |= clock;
+	if (control_reg != old_control_reg) {
+		chip->comm_page->control_register = cpu_to_le32(control_reg);
+		chip->sample_rate = rate;
+		clear_handshake(chip);
+		return send_vector(chip, DSP_VC_UPDATE_CLOCKS);
+	}
+	return 0;
+}
+
+
+
+/* This function routes the sound from a virtual channel to a real output */
+static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe,
+			   int gain)
+{
+	int index;
+
+	if (snd_BUG_ON(pipe >= num_pipes_out(chip) ||
+		       output >= num_busses_out(chip)))
+		return -EINVAL;
+
+	if (wait_handshake(chip))
+		return -EIO;
+
+	chip->vmixer_gain[output][pipe] = gain;
+	index = output * num_pipes_out(chip) + pipe;
+	chip->comm_page->vmixer[index] = gain;
+
+	DE_ACT(("set_vmixer_gain: pipe %d, out %d = %d\n", pipe, output, gain));
+	return 0;
+}
+
+
+
+/* Tell the DSP to read and update virtual mixer levels in comm page. */
+static int update_vmixer_level(struct echoaudio *chip)
+{
+	if (wait_handshake(chip))
+		return -EIO;
+	clear_handshake(chip);
+	return send_vector(chip, DSP_VC_SET_VMIXER_GAIN);
+}
+
+
+
+static u32 detect_input_clocks(const struct echoaudio *chip)
+{
+	return ECHO_CLOCK_BIT_INTERNAL;
+}
+
+
+
+/* The IndigoIO has no ASIC. Just do nothing */
+static int load_asic(struct echoaudio *chip)
+{
+	return 0;
+}

sound/pci/echoaudio/indigodjx.c

@@ -0,0 +1,107 @@
+/*
+ *  ALSA driver for Echoaudio soundcards.
+ *  Copyright (C) 2009 Giuliano Pochini <pochini@shiny.it>
+ *
+ *  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; version 2 of the License.
+ *
+ *  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.
+ */
+
+#define INDIGO_FAMILY
+#define ECHOCARD_INDIGO_DJX
+#define ECHOCARD_NAME "Indigo DJx"
+#define ECHOCARD_HAS_SUPER_INTERLEAVE
+#define ECHOCARD_HAS_VMIXER
+#define ECHOCARD_HAS_STEREO_BIG_ENDIAN32
+
+/* Pipe indexes */
+#define PX_ANALOG_OUT	0	/* 8 */
+#define PX_DIGITAL_OUT	8	/* 0 */
+#define PX_ANALOG_IN	8	/* 0 */
+#define PX_DIGITAL_IN	8	/* 0 */
+#define PX_NUM		8
+
+/* Bus indexes */
+#define BX_ANALOG_OUT	0	/* 4 */
+#define BX_DIGITAL_OUT	4	/* 0 */
+#define BX_ANALOG_IN	4	/* 0 */
+#define BX_DIGITAL_IN	4	/* 0 */
+#define BX_NUM		4
+
+
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/moduleparam.h>
+#include <linux/firmware.h>
+#include <linux/io.h>
+#include <sound/core.h>
+#include <sound/info.h>
+#include <sound/control.h>
+#include <sound/tlv.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/asoundef.h>
+#include <sound/initval.h>
+#include <asm/atomic.h>
+#include "echoaudio.h"
+
+MODULE_FIRMWARE("ea/loader_dsp.fw");
+MODULE_FIRMWARE("ea/indigo_djx_dsp.fw");
+
+#define FW_361_LOADER		0
+#define FW_INDIGO_DJX_DSP	1
+
+static const struct firmware card_fw[] = {
+	{0, "loader_dsp.fw"},
+	{0, "indigo_djx_dsp.fw"}
+};
+
+static struct pci_device_id snd_echo_ids[] = {
+	{0x1057, 0x3410, 0xECC0, 0x00E0, 0, 0, 0},	/* Indigo DJx*/
+	{0,}
+};
+
+static struct snd_pcm_hardware pcm_hardware_skel = {
+	.info = SNDRV_PCM_INFO_MMAP |
+		SNDRV_PCM_INFO_INTERLEAVED |
+		SNDRV_PCM_INFO_BLOCK_TRANSFER |
+		SNDRV_PCM_INFO_MMAP_VALID |
+		SNDRV_PCM_INFO_PAUSE |
+		SNDRV_PCM_INFO_SYNC_START,
+	.formats =	SNDRV_PCM_FMTBIT_U8 |
+			SNDRV_PCM_FMTBIT_S16_LE |
+			SNDRV_PCM_FMTBIT_S24_3LE |
+			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,
+	.rate_min = 32000,
+	.rate_max = 96000,
+	.channels_min = 1,
+	.channels_max = 4,
+	.buffer_bytes_max = 262144,
+	.period_bytes_min = 32,
+	.period_bytes_max = 131072,
+	.periods_min = 2,
+	.periods_max = 220,
+};
+
+#include "indigodjx_dsp.c"
+#include "indigo_express_dsp.c"
+#include "echoaudio_dsp.c"
+#include "echoaudio.c"

sound/pci/echoaudio/indigodjx_dsp.c

@@ -0,0 +1,68 @@
+/************************************************************************
+
+This file is part of Echo Digital Audio's generic driver library.
+Copyright Echo Digital Audio Corporation (c) 1998 - 2005
+All rights reserved
+www.echoaudio.com
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library 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
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+*************************************************************************
+
+ Translation from C++ and adaptation for use in ALSA-Driver
+ were made by Giuliano Pochini <pochini@shiny.it>
+
+*************************************************************************/
+
+static int update_vmixer_level(struct echoaudio *chip);
+static int set_vmixer_gain(struct echoaudio *chip, u16 output,
+			   u16 pipe, int gain);
+
+
+static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
+{
+	int err;
+
+	DE_INIT(("init_hw() - Indigo DJx\n"));
+	if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO_DJX))
+		return -ENODEV;
+
+	err = init_dsp_comm_page(chip);
+	if (err < 0) {
+		DE_INIT(("init_hw - could not initialize DSP comm page\n"));
+		return err;
+	}
+
+	chip->device_id = device_id;
+	chip->subdevice_id = subdevice_id;
+	chip->bad_board = TRUE;
+	chip->dsp_code_to_load = &card_fw[FW_INDIGO_DJX_DSP];
+	/* Since this card has no ASIC, mark it as loaded so everything
+	   works OK */
+	chip->asic_loaded = TRUE;
+	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL;
+
+	err = load_firmware(chip);
+	if (err < 0)
+		return err;
+	chip->bad_board = FALSE;
+
+	err = init_line_levels(chip);
+	if (err < 0)
+		return err;
+
+	DE_INIT(("init_hw done\n"));
+	return err;
+}