ASoC: remove blackfin drivers

The blackfin architecture is getting removed, so the ASoC drivers
are all obsolete as well.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

MAINTAINERS

@@ -841,13 +841,6 @@ F:	sound/soc/codecs/ad7*
 F:	sound/soc/codecs/ssm*
 F:	sound/soc/codecs/sigmadsp.*
 
-ANALOG DEVICES INC ASOC DRIVERS
-L:	adi-buildroot-devel@lists.sourceforge.net (moderated for non-subscribers)
-L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
-W:	http://blackfin.uclinux.org/
-S:	Supported
-F:	sound/soc/blackfin/*
-
 ANALOG DEVICES INC DMA DRIVERS
 M:	Lars-Peter Clausen <lars@metafoo.de>
 W:	http://ez.analog.com/community/linux-device-drivers

sound/soc/Kconfig

@@ -45,7 +45,6 @@ source "sound/soc/amd/Kconfig"
 source "sound/soc/atmel/Kconfig"
 source "sound/soc/au1x/Kconfig"
 source "sound/soc/bcm/Kconfig"
-source "sound/soc/blackfin/Kconfig"
 source "sound/soc/cirrus/Kconfig"
 source "sound/soc/davinci/Kconfig"
 source "sound/soc/dwc/Kconfig"

sound/soc/Makefile

@@ -29,7 +29,6 @@ obj-$(CONFIG_SND_SOC)	+= amd/
 obj-$(CONFIG_SND_SOC)	+= atmel/
 obj-$(CONFIG_SND_SOC)	+= au1x/
 obj-$(CONFIG_SND_SOC)	+= bcm/
-obj-$(CONFIG_SND_SOC)	+= blackfin/
 obj-$(CONFIG_SND_SOC)	+= cirrus/
 obj-$(CONFIG_SND_SOC)	+= davinci/
 obj-$(CONFIG_SND_SOC)	+= dwc/

sound/soc/blackfin/Kconfig

-config SND_BF5XX_I2S
-	tristate "SoC I2S Audio for the ADI Blackfin chip"
-	depends on BLACKFIN
-	select SND_BF5XX_SOC_SPORT if !BF60x
-	select SND_BF6XX_SOC_SPORT if BF60x
-	help
-	  Say Y or M if you want to add support for codecs attached to
-	  the Blackfin SPORT (synchronous serial ports) interface in I2S
-	  mode (supports single stereo In/Out).
-	  You will also need to select the audio interfaces to support below.
-
-config SND_BF5XX_SOC_SSM2602
-	tristate "SoC SSM2602 Audio Codec Add-On Card support"
-	depends on SND_BF5XX_I2S && SND_SOC_I2C_AND_SPI
-	select SND_BF5XX_SOC_I2S if !BF60x
-	select SND_BF6XX_SOC_I2S if BF60x
-	select SND_SOC_SSM2602_SPI if SPI_MASTER
-	select SND_SOC_SSM2602_I2C if I2C
-	help
-	  Say Y if you want to add support for the Analog Devices
-	  SSM2602 Audio Codec Add-On Card.
-
-config SND_SOC_BFIN_EVAL_ADAU1701
-	tristate "Support for the EVAL-ADAU1701MINIZ board on Blackfin eval boards"
-	depends on SND_BF5XX_I2S && I2C
-	select SND_BF5XX_SOC_I2S
-	select SND_SOC_ADAU1701
-	help
-	  Say Y if you want to add support for the Analog Devices EVAL-ADAU1701MINIZ
-	  board connected to one of the Blackfin evaluation boards like the
-	  BF5XX-STAMP or BF5XX-EZKIT.
-
-config SND_SOC_BFIN_EVAL_ADAU1373
-	tristate "Support for the EVAL-ADAU1373 board on Blackfin eval boards"
-	depends on SND_BF5XX_I2S && I2C
-	select SND_BF5XX_SOC_I2S
-	select SND_SOC_ADAU1373
-	help
-	  Say Y if you want to add support for the Analog Devices EVAL-ADAU1373
-	  board connected to one of the Blackfin evaluation boards like the
-	  BF5XX-STAMP or BF5XX-EZKIT.
-
-	  Note: This driver assumes that first ADAU1373 DAI is connected to the
-	  first SPORT port on the BF5XX board.
-
-config SND_SOC_BFIN_EVAL_ADAU1X61
-	tristate "Support for the EVAL-ADAU1X61 board on Blackfin eval boards"
-	depends on SND_BF5XX_I2S && I2C
-	select SND_BF5XX_SOC_I2S
-	select SND_SOC_ADAU1761_I2C
-	help
-	  Say Y if you want to add support for the Analog Devices EVAL-ADAU1X61
-	  board connected to one of the Blackfin evaluation boards like the
-	  BF5XX-STAMP or BF5XX-EZKIT.
-
-	  Note: This driver assumes that the ADAU1X61 is connected to the
-	  first SPORT port on the BF5XX board.
-
-config SND_SOC_BFIN_EVAL_ADAU1X81
-	tristate "Support for the EVAL-ADAU1X81 boards on Blackfin eval boards"
-	depends on SND_BF5XX_I2S && I2C
-	select SND_BF5XX_SOC_I2S
-	select SND_SOC_ADAU1781_I2C
-	help
-	  Say Y if you want to add support for the Analog Devices EVAL-ADAU1X81
-	  board connected to one of the Blackfin evaluation boards like the
-	  BF5XX-STAMP or BF5XX-EZKIT.
-
-	  Note: This driver assumes that the ADAU1X81 is connected to the
-	  first SPORT port on the BF5XX board.
-
-config SND_SOC_BFIN_EVAL_ADAV80X
-	tristate "Support for the EVAL-ADAV80X boards on Blackfin eval boards"
-	depends on SND_BF5XX_I2S && SND_SOC_I2C_AND_SPI
-	select SND_BF5XX_SOC_I2S
-	select SND_SOC_ADAV801 if SPI_MASTER
-	select SND_SOC_ADAV803 if I2C
-	help
-	  Say Y if you want to add support for the Analog Devices EVAL-ADAV801 or
-	  EVAL-ADAV803 board connected to one of the Blackfin evaluation boards
-	  like the BF5XX-STAMP or BF5XX-EZKIT.
-
-	  Note: This driver assumes that the ADAV80X digital record and playback
-	  interfaces are connected to the first SPORT port on the BF5XX board.
-
-config SND_BF5XX_SOC_AD1836
-	tristate "SoC AD1836 Audio support for BF5xx"
-	depends on SND_BF5XX_I2S && SPI_MASTER
-	select SND_BF5XX_SOC_I2S
-	select SND_SOC_AD1836
-	help
-	  Say Y if you want to add support for SoC audio on BF5xx STAMP/EZKIT.
-
-config SND_BF5XX_SOC_AD193X
-	tristate "SoC AD193X Audio support for Blackfin"
-	depends on SND_BF5XX_I2S && SND_SOC_I2C_AND_SPI
-	select SND_BF5XX_SOC_I2S
-	select SND_SOC_AD193X_I2C if I2C
-	select SND_SOC_AD193X_SPI if SPI_MASTER
-	help
-	  Say Y if you want to add support for AD193X codec on Blackfin.
-	  This driver supports AD1936, AD1937, AD1938 and AD1939.
-
-config SND_BF5XX_SOC_AD73311
-	tristate "SoC AD73311 Audio support for Blackfin"
-	depends on SND_BF5XX_I2S
-	select SND_BF5XX_SOC_I2S
-	select SND_SOC_AD73311
-	help
-	  Say Y if you want to add support for AD73311 codec on Blackfin.
-
-config SND_BFIN_AD73311_SE
-	int "PF pin for AD73311L Chip Select"
-	depends on SND_BF5XX_SOC_AD73311
-	default 4
-	help
-	  Enter the GPIO used to control AD73311's SE pin. Acceptable
-	  values are 0 to 7
-
-config SND_BF5XX_AC97
-	tristate "SoC AC97 Audio for the ADI BF5xx chip"
-	depends on BLACKFIN
-	select AC97_BUS
-	select SND_SOC_AC97_BUS
-	select SND_BF5XX_SOC_SPORT
-	select SND_BF5XX_SOC_AC97
-	help
-	  Say Y or M if you want to add support for codecs attached to
-	  the Blackfin SPORT (synchronous serial ports) interface in slot 16
-	  mode (pseudo AC97 interface).
-	  You will also need to select the audio interfaces to support below.
-
-	  Note:
-	  AC97 codecs which do not implement the slot-16 mode will not function
-	  properly with this driver. This driver is known to work with the
-	  Analog Devices line of AC97 codecs.
-
-config SND_BF5XX_MMAP_SUPPORT
-	bool "Enable MMAP Support"
-	depends on SND_BF5XX_AC97
-	default y
-	help
-	  Say y if you want AC97 driver to support mmap mode.
-	  We introduce an intermediate buffer to simulate mmap.
-
-config SND_BF5XX_MULTICHAN_SUPPORT
-	bool "Enable Multichannel Support"
-	depends on SND_BF5XX_AC97
-	default n
-	help
-	  Say y if you want AC97 driver to support up to 5.1 channel audio.
-	  this mode will consume much more memory for DMA.
-
-config SND_BF5XX_HAVE_COLD_RESET
-	bool "BOARD has COLD Reset GPIO"
-	depends on SND_BF5XX_AC97
-	default y if BFIN548_EZKIT
-	default n if !BFIN548_EZKIT
-
-config SND_BF5XX_RESET_GPIO_NUM
-	int "Set a GPIO for cold reset"
-	depends on SND_BF5XX_HAVE_COLD_RESET
-	range 0 159
-	default 19 if BFIN548_EZKIT
-	default 5 if BFIN537_STAMP
-	default 0
-	help
-	  Set the correct GPIO for RESET the sound chip.
-
-config SND_BF5XX_SOC_AD1980
-	tristate "SoC AD1980/1 Audio support for BF5xx (Obsolete)"
-	depends on SND_BF5XX_AC97
-	select SND_BF5XX_SOC_AC97
-	select SND_SOC_AD1980
-	help
-	  Say Y if you want to add support for SoC audio on BF5xx STAMP/EZKIT.
-
-	  Warning:
-	  Because Analog Devices Inc. discontinued the ad1980 sound chip since
-	  Sep. 2009, this ad1980 driver is not maintained, tested and supported
-	  by ADI now.
-
-config SND_BF5XX_SOC_SPORT
-	tristate
-
-config SND_BF6XX_SOC_SPORT
-	tristate
-
-config SND_BF5XX_SOC_I2S
-	tristate
-
-config SND_BF6XX_SOC_I2S
-	tristate
-
-config SND_BF5XX_SOC_AC97
-	tristate
-
-config SND_BF5XX_SPORT_NUM
-	int "Set a SPORT for Sound chip"
-	depends on (SND_BF5XX_SOC_SPORT || SND_BF6XX_SOC_SPORT)
-	range 0 3 if BF54x
-	range 0 1 if !BF54x
-	default 0
-	help
-	  Set the correct SPORT for sound chip.

sound/soc/blackfin/Makefile

-# SPDX-License-Identifier: GPL-2.0
-# Blackfin Platform Support
-snd-bf5xx-ac97-objs := bf5xx-ac97-pcm.o
-snd-bf5xx-i2s-objs := bf5xx-i2s-pcm.o
-snd-soc-bf5xx-sport-objs := bf5xx-sport.o
-snd-soc-bf6xx-sport-objs := bf6xx-sport.o
-snd-soc-bf5xx-ac97-objs := bf5xx-ac97.o
-snd-soc-bf5xx-i2s-objs := bf5xx-i2s.o
-snd-soc-bf6xx-i2s-objs := bf6xx-i2s.o
-
-obj-$(CONFIG_SND_BF5XX_AC97) += snd-bf5xx-ac97.o
-obj-$(CONFIG_SND_BF5XX_I2S) += snd-bf5xx-i2s.o
-obj-$(CONFIG_SND_BF5XX_SOC_SPORT) += snd-soc-bf5xx-sport.o
-obj-$(CONFIG_SND_BF6XX_SOC_SPORT) += snd-soc-bf6xx-sport.o
-obj-$(CONFIG_SND_BF5XX_SOC_AC97) += snd-soc-bf5xx-ac97.o
-obj-$(CONFIG_SND_BF5XX_SOC_I2S) += snd-soc-bf5xx-i2s.o
-obj-$(CONFIG_SND_BF6XX_SOC_I2S) += snd-soc-bf6xx-i2s.o
-
-# Blackfin Machine Support
-snd-ad1836-objs := bf5xx-ad1836.o
-snd-ad1980-objs := bf5xx-ad1980.o
-snd-ssm2602-objs := bf5xx-ssm2602.o
-snd-ad73311-objs := bf5xx-ad73311.o
-snd-ad193x-objs := bf5xx-ad193x.o
-snd-soc-bfin-eval-adau1373-objs := bfin-eval-adau1373.o
-snd-soc-bfin-eval-adau1x61-objs := bfin-eval-adau1x61.o
-snd-soc-bfin-eval-adau1x81-objs := bfin-eval-adau1x81.o
-snd-soc-bfin-eval-adau1701-objs := bfin-eval-adau1701.o
-snd-soc-bfin-eval-adav80x-objs := bfin-eval-adav80x.o
-
-obj-$(CONFIG_SND_BF5XX_SOC_AD1836) += snd-ad1836.o
-obj-$(CONFIG_SND_BF5XX_SOC_AD1980) += snd-ad1980.o
-obj-$(CONFIG_SND_BF5XX_SOC_SSM2602) += snd-ssm2602.o
-obj-$(CONFIG_SND_BF5XX_SOC_AD73311) += snd-ad73311.o
-obj-$(CONFIG_SND_BF5XX_SOC_AD193X) += snd-ad193x.o
-obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1373) += snd-soc-bfin-eval-adau1373.o
-obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1X61) += snd-soc-bfin-eval-adau1x61.o
-obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1X81) += snd-soc-bfin-eval-adau1x81.o
-obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1701) += snd-soc-bfin-eval-adau1701.o
-obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAV80X) += snd-soc-bfin-eval-adav80x.o

sound/soc/blackfin/bf5xx-ac97.c

-/*
- * bf5xx-ac97.c -- AC97 support for the ADI blackfin chip.
- *
- * Author:	Roy Huang
- * Created:	11th. June 2007
- * Copyright:	Analog Device Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/interrupt.h>
-#include <linux/wait.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/ac97_codec.h>
-#include <sound/initval.h>
-#include <sound/soc.h>
-
-#include <asm/irq.h>
-#include <asm/portmux.h>
-#include <linux/mutex.h>
-#include <linux/gpio.h>
-
-#include "bf5xx-sport.h"
-#include "bf5xx-ac97.h"
-
-/* Anomaly notes:
- *  05000250 -	AD1980 is running in TDM mode and RFS/TFS are generated by SPORT
- *		contrtoller. But, RFSDIV and TFSDIV are always set to 16*16-1,
- *		while the max AC97 data size is 13*16. The DIV is always larger
- *		than data size. AD73311 and ad2602 are not running in TDM mode.
- *		AD1836 and AD73322 depend on external RFS/TFS only. So, this
- *		anomaly does not affect blackfin sound drivers.
-*/
-
-static struct sport_device *ac97_sport_handle;
-
-void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u16 *src,
-		size_t count, unsigned int chan_mask)
-{
-	while (count--) {
-		dst->ac97_tag = TAG_VALID;
-		if (chan_mask & SP_FL) {
-			dst->ac97_pcm_r = *src++;
-			dst->ac97_tag |= TAG_PCM_RIGHT;
-		}
-		if (chan_mask & SP_FR) {
-			dst->ac97_pcm_l = *src++;
-			dst->ac97_tag |= TAG_PCM_LEFT;
-
-		}
-#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
-		if (chan_mask & SP_SR) {
-			dst->ac97_sl = *src++;
-			dst->ac97_tag |= TAG_PCM_SL;
-		}
-		if (chan_mask & SP_SL) {
-			dst->ac97_sr = *src++;
-			dst->ac97_tag |= TAG_PCM_SR;
-		}
-		if (chan_mask & SP_LFE) {
-			dst->ac97_lfe = *src++;
-			dst->ac97_tag |= TAG_PCM_LFE;
-		}
-		if (chan_mask & SP_FC) {
-			dst->ac97_center = *src++;
-			dst->ac97_tag |= TAG_PCM_CENTER;
-		}
-#endif
-		dst++;
-	}
-}
-EXPORT_SYMBOL(bf5xx_pcm_to_ac97);
-
-void bf5xx_ac97_to_pcm(const struct ac97_frame *src, __u16 *dst,
-		size_t count)
-{
-	while (count--) {
-		*(dst++) = src->ac97_pcm_l;
-		*(dst++) = src->ac97_pcm_r;
-		src++;
-	}
-}
-EXPORT_SYMBOL(bf5xx_ac97_to_pcm);
-
-static unsigned int sport_tx_curr_frag(struct sport_device *sport)
-{
-	return sport->tx_curr_frag = sport_curr_offset_tx(sport) /
-			sport->tx_fragsize;
-}
-
-static void enqueue_cmd(struct snd_ac97 *ac97, __u16 addr, __u16 data)
-{
-	struct sport_device *sport = ac97_sport_handle;
-	int *cmd_count = sport->private_data;
-	int nextfrag = sport_tx_curr_frag(sport);
-	struct ac97_frame *nextwrite;
-
-	sport_incfrag(sport, &nextfrag, 1);
-
-	nextwrite = (struct ac97_frame *)(sport->tx_buf +
-			nextfrag * sport->tx_fragsize);
-	pr_debug("sport->tx_buf:%p, nextfrag:0x%x nextwrite:%p, cmd_count:%d\n",
-		sport->tx_buf, nextfrag, nextwrite, cmd_count[nextfrag]);
-	nextwrite[cmd_count[nextfrag]].ac97_tag |= TAG_CMD;
-	nextwrite[cmd_count[nextfrag]].ac97_addr = addr;
-	nextwrite[cmd_count[nextfrag]].ac97_data = data;
-	++cmd_count[nextfrag];
-	pr_debug("ac97_sport: Inserting %02x/%04x into fragment %d\n",
-			addr >> 8, data, nextfrag);
-}
-
-static unsigned short bf5xx_ac97_read(struct snd_ac97 *ac97,
-	unsigned short reg)
-{
-	struct sport_device *sport_handle = ac97_sport_handle;
-	struct ac97_frame out_frame[2], in_frame[2];
-
-	pr_debug("%s enter 0x%x\n", __func__, reg);
-
-	/* When dma descriptor is enabled, the register should not be read */
-	if (sport_handle->tx_run || sport_handle->rx_run) {
-		pr_err("Could you send a mail to cliff.cai@analog.com "
-				"to report this?\n");
-		return -EFAULT;
-	}
-
-	memset(&out_frame, 0, 2 * sizeof(struct ac97_frame));
-	memset(&in_frame, 0, 2 * sizeof(struct ac97_frame));
-	out_frame[0].ac97_tag = TAG_VALID | TAG_CMD;
-	out_frame[0].ac97_addr = ((reg << 8) | 0x8000);
-	sport_send_and_recv(sport_handle, (unsigned char *)&out_frame,
-			(unsigned char *)&in_frame,
-			2 * sizeof(struct ac97_frame));
-	return in_frame[1].ac97_data;
-}
-
-void bf5xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
-	unsigned short val)
-{
-	struct sport_device *sport_handle = ac97_sport_handle;
-
-	pr_debug("%s enter 0x%x:0x%04x\n", __func__, reg, val);
-
-	if (sport_handle->tx_run) {
-		enqueue_cmd(ac97, (reg << 8), val); /* write */
-		enqueue_cmd(ac97, (reg << 8) | 0x8000, 0); /* read back */
-	} else {
-		struct ac97_frame frame;
-		memset(&frame, 0, sizeof(struct ac97_frame));
-		frame.ac97_tag = TAG_VALID | TAG_CMD;
-		frame.ac97_addr = (reg << 8);
-		frame.ac97_data = val;
-		sport_send_and_recv(sport_handle, (unsigned char *)&frame, \
-				NULL, sizeof(struct ac97_frame));
-	}
-}
-
-static void bf5xx_ac97_warm_reset(struct snd_ac97 *ac97)
-{
-	struct sport_device *sport_handle = ac97_sport_handle;
-	u16 gpio = P_IDENT(sport_handle->pin_req[3]);
-
-	pr_debug("%s enter\n", __func__);
-
-	peripheral_free_list(sport_handle->pin_req);
-	gpio_request(gpio, "bf5xx-ac97");
-	gpio_direction_output(gpio, 1);
-	udelay(2);
-	gpio_set_value(gpio, 0);
-	udelay(1);
-	gpio_free(gpio);
-	peripheral_request_list(sport_handle->pin_req, "soc-audio");
-}
-
-static void bf5xx_ac97_cold_reset(struct snd_ac97 *ac97)
-{
-#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
-	pr_debug("%s enter\n", __func__);
-
-	/* It is specified for bf548-ezkit */
-	gpio_set_value(CONFIG_SND_BF5XX_RESET_GPIO_NUM, 0);
-	/* Keep reset pin low for 1 ms */
-	mdelay(1);
-	gpio_set_value(CONFIG_SND_BF5XX_RESET_GPIO_NUM, 1);
-	/* Wait for bit clock recover */
-	mdelay(1);
-#else
-	pr_info("%s: Not implemented\n", __func__);
-#endif
-}
-
-static struct snd_ac97_bus_ops bf5xx_ac97_ops = {
-	.read	= bf5xx_ac97_read,
-	.write	= bf5xx_ac97_write,
-	.warm_reset	= bf5xx_ac97_warm_reset,
-	.reset	= bf5xx_ac97_cold_reset,
-};
-
-#ifdef CONFIG_PM
-static int bf5xx_ac97_suspend(struct snd_soc_dai *dai)
-{
-	struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
-
-	pr_debug("%s : sport %d\n", __func__, dai->id);
-	if (!dai->active)
-		return 0;
-	if (dai->capture_active)
-		sport_rx_stop(sport);
-	if (dai->playback_active)
-		sport_tx_stop(sport);
-	return 0;
-}
-
-static int bf5xx_ac97_resume(struct snd_soc_dai *dai)
-{
-	int ret;
-	struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
-
-	pr_debug("%s : sport %d\n", __func__, dai->id);
-	if (!dai->active)
-		return 0;
-
-#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
-	ret = sport_set_multichannel(sport, 16, 0x3FF, 0x3FF, 1);
-#else
-	ret = sport_set_multichannel(sport, 16, 0x1F, 0x1F, 1);
-#endif
-	if (ret) {
-		pr_err("SPORT is busy!\n");
-		return -EBUSY;
-	}
-
-	ret = sport_config_rx(sport, IRFS, 0xF, 0, (16*16-1));
-	if (ret) {
-		pr_err("SPORT is busy!\n");
-		return -EBUSY;
-	}
-
-	ret = sport_config_tx(sport, ITFS, 0xF, 0, (16*16-1));
-	if (ret) {
-		pr_err("SPORT is busy!\n");
-		return -EBUSY;
-	}
-
-	return 0;
-}
-
-#else
-#define bf5xx_ac97_suspend	NULL
-#define bf5xx_ac97_resume	NULL
-#endif
-
-static struct snd_soc_dai_driver bfin_ac97_dai = {
-	.bus_control = true,
-	.suspend = bf5xx_ac97_suspend,
-	.resume = bf5xx_ac97_resume,
-	.playback = {
-		.stream_name = "AC97 Playback",
-		.channels_min = 2,
-#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
-		.channels_max = 6,
-#else
-		.channels_max = 2,
-#endif
-		.rates = SNDRV_PCM_RATE_48000,
-		.formats = SNDRV_PCM_FMTBIT_S16_LE, },
-	.capture = {
-		.stream_name = "AC97 Capture",
-		.channels_min = 2,
-		.channels_max = 2,
-		.rates = SNDRV_PCM_RATE_48000,
-		.formats = SNDRV_PCM_FMTBIT_S16_LE, },
-};
-
-static const struct snd_soc_component_driver bfin_ac97_component = {
-	.name		= "bfin-ac97",
-};
-
-static int asoc_bfin_ac97_probe(struct platform_device *pdev)
-{
-	struct sport_device *sport_handle;
-	int ret;
-
-#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
-	/* Request PB3 as reset pin */
-	ret = devm_gpio_request_one(&pdev->dev,
-				    CONFIG_SND_BF5XX_RESET_GPIO_NUM,
-				    GPIOF_OUT_INIT_HIGH, "SND_AD198x RESET");
-	if (ret) {
-		dev_err(&pdev->dev,
-			"Failed to request GPIO_%d for reset: %d\n",
-			CONFIG_SND_BF5XX_RESET_GPIO_NUM, ret);
-		return ret;
-	}
-#endif
-
-	sport_handle = sport_init(pdev, 2, sizeof(struct ac97_frame),
-		PAGE_SIZE);
-	if (!sport_handle) {
-		ret = -ENODEV;
-		goto sport_err;
-	}
-
-	/*SPORT works in TDM mode to simulate AC97 transfers*/
-#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
-	ret = sport_set_multichannel(sport_handle, 16, 0x3FF, 0x3FF, 1);
-#else
-	ret = sport_set_multichannel(sport_handle, 16, 0x1F, 0x1F, 1);
-#endif
-	if (ret) {
-		pr_err("SPORT is busy!\n");
-		ret = -EBUSY;
-		goto sport_config_err;
-	}
-
-	ret = sport_config_rx(sport_handle, IRFS, 0xF, 0, (16*16-1));
-	if (ret) {
-		pr_err("SPORT is busy!\n");
-		ret = -EBUSY;
-		goto sport_config_err;
-	}
-
-	ret = sport_config_tx(sport_handle, ITFS, 0xF, 0, (16*16-1));
-	if (ret) {
-		pr_err("SPORT is busy!\n");
-		ret = -EBUSY;
-		goto sport_config_err;
-	}
-
-	ret = snd_soc_set_ac97_ops(&bf5xx_ac97_ops);
-	if (ret != 0) {
-		dev_err(&pdev->dev, "Failed to set AC'97 ops: %d\n", ret);
-		goto sport_config_err;
-	}
-
-	ret = snd_soc_register_component(&pdev->dev, &bfin_ac97_component,
-					 &bfin_ac97_dai, 1);
-	if (ret) {
-		pr_err("Failed to register DAI: %d\n", ret);
-		goto sport_config_err;
-	}
-
-	ac97_sport_handle = sport_handle;
-
-	return 0;
-
-sport_config_err:
-	sport_done(sport_handle);
-sport_err:
-	snd_soc_set_ac97_ops(NULL);
-
-	return ret;
-}
-
-static int asoc_bfin_ac97_remove(struct platform_device *pdev)
-{
-	struct sport_device *sport_handle = platform_get_drvdata(pdev);
-
-	snd_soc_unregister_component(&pdev->dev);
-	sport_done(sport_handle);
-	snd_soc_set_ac97_ops(NULL);
-
-	return 0;
-}
-
-static struct platform_driver asoc_bfin_ac97_driver = {
-	.driver = {
-			.name = "bfin-ac97",
-	},
-
-	.probe = asoc_bfin_ac97_probe,
-	.remove = asoc_bfin_ac97_remove,
-};
-
-module_platform_driver(asoc_bfin_ac97_driver);
-
-MODULE_AUTHOR("Roy Huang");
-MODULE_DESCRIPTION("AC97 driver for ADI Blackfin");
-MODULE_LICENSE("GPL");

sound/soc/blackfin/bf5xx-ac97.h

-/*
- * sound/soc/blackfin/bf5xx-ac97.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef _BF5XX_AC97_H
-#define _BF5XX_AC97_H
-
-/* Frame format in memory, only support stereo currently */
-struct ac97_frame {
-	u16 ac97_tag;		/* slot 0 */
-	u16 ac97_addr;		/* slot 1 */
-	u16 ac97_data;		/* slot 2 */
-	u16 ac97_pcm_l;		/*slot 3:front left*/
-	u16 ac97_pcm_r;		/*slot 4:front left*/
-#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
-	u16 ac97_mdm_l1;
-	u16 ac97_center;	/*slot 6:center*/
-	u16 ac97_sl;		/*slot 7:surround left*/
-	u16 ac97_sr;		/*slot 8:surround right*/
-	u16 ac97_lfe;		/*slot 9:lfe*/
-#endif
-} __attribute__ ((packed));
-
-/* Speaker location */
-#define SP_FL		0x0001
-#define SP_FR		0x0010
-#define SP_FC		0x0002
-#define SP_LFE		0x0020
-#define SP_SL		0x0004
-#define SP_SR		0x0040
-
-#define SP_STEREO	(SP_FL | SP_FR)
-#define SP_2DOT1	(SP_FL | SP_FR | SP_LFE)
-#define SP_QUAD		(SP_FL | SP_FR | SP_SL | SP_SR)
-#define SP_5DOT1	(SP_FL | SP_FR | SP_FC | SP_LFE | SP_SL | SP_SR)
-
-#define TAG_VALID		0x8000
-#define TAG_CMD			0x6000
-#define TAG_PCM_LEFT		0x1000
-#define TAG_PCM_RIGHT		0x0800
-#define TAG_PCM_MDM_L1		0x0400
-#define TAG_PCM_CENTER		0x0200
-#define TAG_PCM_SL		0x0100
-#define TAG_PCM_SR		0x0080
-#define TAG_PCM_LFE		0x0040
-
-void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u16 *src, \
-		size_t count, unsigned int chan_mask);
-
-void bf5xx_ac97_to_pcm(const struct ac97_frame *src, __u16 *dst, \
-		size_t count);
-
-#endif

sound/soc/blackfin/bf5xx-ad1836.c

-/*
- * File:         sound/soc/blackfin/bf5xx-ad1836.c
- * Author:       Barry Song <Barry.Song@analog.com>
- *
- * Created:      Aug 4 2009
- * Description:  Board driver for ad1836 sound chip
- *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
- *
- * 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.
- *
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/device.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include <sound/pcm_params.h>
-
-#include <asm/blackfin.h>
-#include <asm/cacheflush.h>
-#include <asm/irq.h>
-#include <asm/dma.h>
-#include <asm/portmux.h>
-
-#include "../codecs/ad1836.h"
-
-static struct snd_soc_card bf5xx_ad1836;
-
-static int bf5xx_ad1836_init(struct snd_soc_pcm_runtime *rtd)
-{
-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	unsigned int channel_map[] = {0, 4, 1, 5, 2, 6, 3, 7};
-	int ret = 0;
-
-	/* set cpu DAI channel mapping */
-	ret = snd_soc_dai_set_channel_map(cpu_dai, ARRAY_SIZE(channel_map),
-		channel_map, ARRAY_SIZE(channel_map), channel_map);
-	if (ret < 0)
-		return ret;
-
-	ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xFF, 0xFF, 8, 32);
-	if (ret < 0)
-		return ret;
-
-	return 0;
-}
-
-#define BF5XX_AD1836_DAIFMT (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_IF | \
-				SND_SOC_DAIFMT_CBM_CFM)
-
-static struct snd_soc_dai_link bf5xx_ad1836_dai = {
-	.name = "ad1836",
-	.stream_name = "AD1836",
-	.codec_dai_name = "ad1836-hifi",
-	.platform_name = "bfin-i2s-pcm-audio",
-	.dai_fmt = BF5XX_AD1836_DAIFMT,
-	.init = bf5xx_ad1836_init,
-};
-
-static struct snd_soc_card bf5xx_ad1836 = {
-	.name = "bfin-ad1836",
-	.owner = THIS_MODULE,
-	.dai_link = &bf5xx_ad1836_dai,
-	.num_links = 1,
-};
-
-static int bf5xx_ad1836_driver_probe(struct platform_device *pdev)
-{
-	struct snd_soc_card *card = &bf5xx_ad1836;
-	const char **link_name;
-	int ret;
-
-	link_name = pdev->dev.platform_data;
-	if (!link_name) {
-		dev_err(&pdev->dev, "No platform data supplied\n");
-		return -EINVAL;
-	}
-	bf5xx_ad1836_dai.cpu_dai_name = link_name[0];
-	bf5xx_ad1836_dai.codec_name = link_name[1];
-
-	card->dev = &pdev->dev;
-	platform_set_drvdata(pdev, card);
-
-	ret = devm_snd_soc_register_card(&pdev->dev, card);
-	if (ret)
-		dev_err(&pdev->dev, "Failed to register card\n");
-	return ret;
-}
-
-static struct platform_driver bf5xx_ad1836_driver = {
-	.driver = {
-		.name = "bfin-snd-ad1836",
-		.pm = &snd_soc_pm_ops,
-	},
-	.probe = bf5xx_ad1836_driver_probe,
-};
-module_platform_driver(bf5xx_ad1836_driver);
-
-/* Module information */
-MODULE_AUTHOR("Barry Song");
-MODULE_DESCRIPTION("ALSA SoC AD1836 board driver");
-MODULE_LICENSE("GPL");
-

sound/soc/blackfin/bf5xx-ad193x.c

-/*
- * File:         sound/soc/blackfin/bf5xx-ad193x.c
- * Author:       Barry Song <Barry.Song@analog.com>
- *
- * Created:      Thur June 4 2009
- * Description:  Board driver for ad193x sound chip
- *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
- *
- * 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, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/device.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include <sound/pcm_params.h>
-
-#include <asm/blackfin.h>
-#include <asm/cacheflush.h>
-#include <asm/irq.h>
-#include <asm/dma.h>
-#include <asm/portmux.h>
-
-#include "../codecs/ad193x.h"
-
-static struct snd_soc_card bf5xx_ad193x;
-
-static int bf5xx_ad193x_link_init(struct snd_soc_pcm_runtime *rtd)
-{
-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	int ret;
-
-	/* set the codec system clock for DAC and ADC */
-	ret = snd_soc_dai_set_sysclk(codec_dai, 0, 24576000, SND_SOC_CLOCK_IN);
-	if (ret < 0)
-		return ret;
-
-	/* set codec DAI slots, 8 channels, all channels are enabled */
-	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xFF, 0xFF, 8, 32);
-	if (ret < 0)
-		return ret;
-
-	ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xFF, 0xFF, 8, 32);
-	if (ret < 0)
-		return ret;
-
-	return 0;
-}
-
-#define BF5XX_AD193X_DAIFMT (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_IF | \
-				SND_SOC_DAIFMT_CBM_CFM)
-
-static struct snd_soc_dai_link bf5xx_ad193x_dai[] = {
-	{
-		.name = "ad193x",
-		.stream_name = "AD193X",
-		.cpu_dai_name = "bfin-i2s.0",
-		.codec_dai_name ="ad193x-hifi",
-		.platform_name = "bfin-i2s-pcm-audio",
-		.codec_name = "spi0.5",
-		.dai_fmt = BF5XX_AD193X_DAIFMT,
-		.init = bf5xx_ad193x_link_init,
-	},
-	{
-		.name = "ad193x",
-		.stream_name = "AD193X",
-		.cpu_dai_name = "bfin-i2s.1",
-		.codec_dai_name ="ad193x-hifi",
-		.platform_name = "bfin-i2s-pcm-audio",
-		.codec_name = "spi0.5",
-		.dai_fmt = BF5XX_AD193X_DAIFMT,
-		.init = bf5xx_ad193x_link_init,
-	},
-};
-
-static struct snd_soc_card bf5xx_ad193x = {
-	.name = "bfin-ad193x",
-	.owner = THIS_MODULE,
-	.dai_link = &bf5xx_ad193x_dai[CONFIG_SND_BF5XX_SPORT_NUM],
-	.num_links = 1,
-};
-
-static struct platform_device *bfxx_ad193x_snd_device;
-
-static int __init bf5xx_ad193x_init(void)
-{
-	int ret;
-
-	bfxx_ad193x_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!bfxx_ad193x_snd_device)
-		return -ENOMEM;
-
-	platform_set_drvdata(bfxx_ad193x_snd_device, &bf5xx_ad193x);
-	ret = platform_device_add(bfxx_ad193x_snd_device);
-
-	if (ret)
-		platform_device_put(bfxx_ad193x_snd_device);
-
-	return ret;
-}
-
-static void __exit bf5xx_ad193x_exit(void)
-{
-	platform_device_unregister(bfxx_ad193x_snd_device);
-}
-
-module_init(bf5xx_ad193x_init);
-module_exit(bf5xx_ad193x_exit);
-
-/* Module information */
-MODULE_AUTHOR("Barry Song");
-MODULE_DESCRIPTION("ALSA SoC AD193X board driver");
-MODULE_LICENSE("GPL");
-

sound/soc/blackfin/bf5xx-ad1980.c

-/*
- * File:         sound/soc/blackfin/bf5xx-ad1980.c
- * Author:       Cliff Cai <Cliff.Cai@analog.com>
- *
- * Created:      Tue June 06 2008
- * Description:  Board driver for AD1980/1 audio codec
- *
- * Modified:
- *               Copyright 2008 Analog Devices Inc.
- *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
- *
- * 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, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-/*
- * WARNING:
- *
- * Because Analog Devices Inc. discontinued the ad1980 sound chip since
- * Sep. 2009, this ad1980 driver is not maintained, tested and supported
- * by ADI now.
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/device.h>
-#include <asm/dma.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-
-#include <linux/gpio.h>
-#include <asm/portmux.h>
-
-#include "bf5xx-ac97.h"
-
-static struct snd_soc_card bf5xx_board;
-
-static struct snd_soc_dai_link bf5xx_board_dai[] = {
-	{
-		.name = "AC97",
-		.stream_name = "AC97 HiFi",
-		.cpu_dai_name = "bfin-ac97.0",
-		.codec_dai_name = "ad1980-hifi",
-		.platform_name = "bfin-ac97-pcm-audio",
-		.codec_name = "ad1980",
-	},
-	{
-		.name = "AC97",
-		.stream_name = "AC97 HiFi",
-		.cpu_dai_name = "bfin-ac97.1",
-		.codec_dai_name = "ad1980-hifi",
-		.platform_name = "bfin-ac97-pcm-audio",
-		.codec_name = "ad1980",
-	},
-};
-
-static struct snd_soc_card bf5xx_board = {
-	.name = "bfin-ad1980",
-	.owner = THIS_MODULE,
-	.dai_link = &bf5xx_board_dai[CONFIG_SND_BF5XX_SPORT_NUM],
-	.num_links = 1,
-};
-
-static struct platform_device *bf5xx_board_snd_device;
-
-static int __init bf5xx_board_init(void)
-{
-	int ret;
-
-	bf5xx_board_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!bf5xx_board_snd_device)
-		return -ENOMEM;
-
-	platform_set_drvdata(bf5xx_board_snd_device, &bf5xx_board);
-	ret = platform_device_add(bf5xx_board_snd_device);
-
-	if (ret)
-		platform_device_put(bf5xx_board_snd_device);
-
-	return ret;
-}
-
-static void __exit bf5xx_board_exit(void)
-{
-	platform_device_unregister(bf5xx_board_snd_device);
-}
-
-module_init(bf5xx_board_init);
-module_exit(bf5xx_board_exit);
-
-/* Module information */
-MODULE_AUTHOR("Cliff Cai");
-MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board (Obsolete)");
-MODULE_LICENSE("GPL");

sound/soc/blackfin/bf5xx-ad73311.c

-/*
- * File:         sound/soc/blackfin/bf5xx-ad73311.c
- * Author:       Cliff Cai <Cliff.Cai@analog.com>
- *
- * Created:      Thur Sep 25 2008
- * Description:  Board driver for ad73311 sound chip
- *
- * Modified:
- *               Copyright 2008 Analog Devices Inc.
- *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
- *
- * 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, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/device.h>
-#include <linux/delay.h>
-#include <linux/gpio.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include <sound/pcm_params.h>
-
-#include <asm/blackfin.h>
-#include <asm/cacheflush.h>
-#include <asm/irq.h>
-#include <asm/dma.h>
-#include <asm/portmux.h>
-
-#include "../codecs/ad73311.h"
-#include "bf5xx-sport.h"
-
-#if CONFIG_SND_BF5XX_SPORT_NUM == 0
-#define bfin_write_SPORT_TCR1	bfin_write_SPORT0_TCR1
-#define bfin_read_SPORT_TCR1	bfin_read_SPORT0_TCR1
-#define bfin_write_SPORT_TCR2	bfin_write_SPORT0_TCR2
-#define bfin_write_SPORT_TX16	bfin_write_SPORT0_TX16
-#define bfin_read_SPORT_STAT	bfin_read_SPORT0_STAT
-#else
-#define bfin_write_SPORT_TCR1	bfin_write_SPORT1_TCR1
-#define bfin_read_SPORT_TCR1	bfin_read_SPORT1_TCR1
-#define bfin_write_SPORT_TCR2	bfin_write_SPORT1_TCR2
-#define bfin_write_SPORT_TX16	bfin_write_SPORT1_TX16
-#define bfin_read_SPORT_STAT	bfin_read_SPORT1_STAT
-#endif
-
-#define GPIO_SE CONFIG_SND_BFIN_AD73311_SE
-
-static struct snd_soc_card bf5xx_ad73311;
-
-static int snd_ad73311_startup(void)
-{
-	pr_debug("%s enter\n", __func__);
-
-	/* Pull up SE pin on AD73311L */
-	gpio_set_value(GPIO_SE, 1);
-	return 0;
-}
-
-static int snd_ad73311_configure(void)
-{
-	unsigned short ctrl_regs[6];
-	unsigned short status = 0;
-	int count = 0;
-
-	/* DMCLK = MCLK = 16.384 MHz
-	 * SCLK = DMCLK/8 = 2.048 MHz
-	 * Sample Rate = DMCLK/2048  = 8 KHz
-	 */
-	ctrl_regs[0] = AD_CONTROL | AD_WRITE | CTRL_REG_B | REGB_MCDIV(0) | \
-			REGB_SCDIV(0) | REGB_DIRATE(0);
-	ctrl_regs[1] = AD_CONTROL | AD_WRITE | CTRL_REG_C | REGC_PUDEV | \
-			REGC_PUADC | REGC_PUDAC | REGC_PUREF | REGC_REFUSE ;
-	ctrl_regs[2] = AD_CONTROL | AD_WRITE | CTRL_REG_D | REGD_OGS(2) | \
-			REGD_IGS(2);
-	ctrl_regs[3] = AD_CONTROL | AD_WRITE | CTRL_REG_E | REGE_DA(0x1f);
-	ctrl_regs[4] = AD_CONTROL | AD_WRITE | CTRL_REG_F | REGF_SEEN ;
-	ctrl_regs[5] = AD_CONTROL | AD_WRITE | CTRL_REG_A | REGA_MODE_DATA;
-
-	local_irq_disable();
-	snd_ad73311_startup();
-	udelay(1);
-
-	bfin_write_SPORT_TCR1(TFSR);
-	bfin_write_SPORT_TCR2(0xF);
-	SSYNC();
-
-	/* SPORT Tx Register is a 8 x 16 FIFO, all the data can be put to
-	 * FIFO before enable SPORT to transfer the data
-	 */
-	for (count = 0; count < 6; count++)
-		bfin_write_SPORT_TX16(ctrl_regs[count]);
-	SSYNC();
-	bfin_write_SPORT_TCR1(bfin_read_SPORT_TCR1() | TSPEN);
-	SSYNC();
-
-	/* When TUVF is set, the data is already send out */
-	while (!(status & TUVF) && ++count < 10000) {
-		udelay(1);
-		status = bfin_read_SPORT_STAT();
-		SSYNC();
-	}
-	bfin_write_SPORT_TCR1(bfin_read_SPORT_TCR1() & ~TSPEN);
-	SSYNC();
-	local_irq_enable();
-
-	if (count >= 10000) {
-		printk(KERN_ERR "ad73311: failed to configure codec\n");
-		return -1;
-	}
-	return 0;
-}
-
-static int bf5xx_probe(struct snd_soc_card *card)
-{
-	int err;
-	if (gpio_request(GPIO_SE, "AD73311_SE")) {
-		printk(KERN_ERR "%s: Failed ro request GPIO_%d\n", __func__, GPIO_SE);
-		return -EBUSY;
-	}
-
-	gpio_direction_output(GPIO_SE, 0);
-
-	err = snd_ad73311_configure();
-	if (err < 0)
-		return -EFAULT;
-
-	return 0;
-}
-
-#define BF5XX_AD7311_DAI_FMT (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | \
-				SND_SOC_DAIFMT_CBM_CFM)
-
-static struct snd_soc_dai_link bf5xx_ad73311_dai[] = {
-	{
-		.name = "ad73311",
-		.stream_name = "AD73311",
-		.cpu_dai_name = "bfin-i2s.0",
-		.codec_dai_name = "ad73311-hifi",
-		.platform_name = "bfin-i2s-pcm-audio",
-		.codec_name = "ad73311",
-		.dai_fmt = BF5XX_AD7311_DAI_FMT,
-	},
-	{
-		.name = "ad73311",
-		.stream_name = "AD73311",
-		.cpu_dai_name = "bfin-i2s.1",
-		.codec_dai_name = "ad73311-hifi",
-		.platform_name = "bfin-i2s-pcm-audio",
-		.codec_name = "ad73311",
-		.dai_fmt = BF5XX_AD7311_DAI_FMT,
-	},
-};
-
-static struct snd_soc_card bf5xx_ad73311 = {
-	.name = "bfin-ad73311",
-	.owner = THIS_MODULE,
-	.probe = bf5xx_probe,
-	.dai_link = &bf5xx_ad73311_dai[CONFIG_SND_BF5XX_SPORT_NUM],
-	.num_links = 1,
-};
-
-static struct platform_device *bf5xx_ad73311_snd_device;
-
-static int __init bf5xx_ad73311_init(void)
-{
-	int ret;
-
-	pr_debug("%s enter\n", __func__);
-	bf5xx_ad73311_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!bf5xx_ad73311_snd_device)
-		return -ENOMEM;
-
-	platform_set_drvdata(bf5xx_ad73311_snd_device, &bf5xx_ad73311);
-	ret = platform_device_add(bf5xx_ad73311_snd_device);
-
-	if (ret)
-		platform_device_put(bf5xx_ad73311_snd_device);
-
-	return ret;
-}
-
-static void __exit bf5xx_ad73311_exit(void)
-{
-	pr_debug("%s enter\n", __func__);
-	platform_device_unregister(bf5xx_ad73311_snd_device);
-}
-
-module_init(bf5xx_ad73311_init);
-module_exit(bf5xx_ad73311_exit);
-
-/* Module information */
-MODULE_AUTHOR("Cliff Cai");
-MODULE_DESCRIPTION("ALSA SoC AD73311 Blackfin");
-MODULE_LICENSE("GPL");
-

sound/soc/blackfin/bf5xx-i2s-pcm.h

-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef _BF5XX_TDM_PCM_H
-#define _BF5XX_TDM_PCM_H
-
-#define BFIN_TDM_DAI_MAX_SLOTS 8
-
-struct bf5xx_i2s_pcm_data {
-	unsigned int map[BFIN_TDM_DAI_MAX_SLOTS];
-	bool tdm_mode;
-};
-
-#endif

sound/soc/blackfin/bf5xx-sport.h

-/*
- * File:         bf5xx_sport.h
- * Based on:
- * Author:       Roy Huang <roy.huang@analog.com>
- *
- * Created:
- * Description:
- *
- *               Copyright 2004-2007 Analog Devices Inc.
- *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
- *
- * 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, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-
-#ifndef __BF5XX_SPORT_H__
-#define __BF5XX_SPORT_H__
-
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <linux/workqueue.h>
-#include <linux/platform_device.h>
-#include <asm/dma.h>
-#include <asm/bfin_sport.h>
-
-#define DESC_ELEMENT_COUNT 9
-
-struct sport_device {
-	int num;
-	int dma_rx_chan;
-	int dma_tx_chan;
-	int err_irq;
-	const unsigned short *pin_req;
-	struct sport_register *regs;
-
-	unsigned char *rx_buf;
-	unsigned char *tx_buf;
-	unsigned int rx_fragsize;
-	unsigned int tx_fragsize;
-	unsigned int rx_frags;
-	unsigned int tx_frags;
-	unsigned int wdsize;
-
-	/* for dummy dma transfer */
-	void *dummy_buf;
-	unsigned int dummy_count;
-
-	/* DMA descriptor ring head of current audio stream*/
-	struct dmasg *dma_rx_desc;
-	struct dmasg *dma_tx_desc;
-	unsigned int rx_desc_bytes;
-	unsigned int tx_desc_bytes;
-
-	unsigned int rx_run:1; /* rx is running */
-	unsigned int tx_run:1; /* tx is running */
-
-	struct dmasg *dummy_rx_desc;
-	struct dmasg *dummy_tx_desc;
-
-	struct dmasg *curr_rx_desc;
-	struct dmasg *curr_tx_desc;
-
-	int rx_curr_frag;
-	int tx_curr_frag;
-
-	unsigned int rcr1;
-	unsigned int rcr2;
-	int rx_tdm_count;
-
-	unsigned int tcr1;
-	unsigned int tcr2;
-	int tx_tdm_count;
-
-	void (*rx_callback)(void *data);
-	void *rx_data;
-	void (*tx_callback)(void *data);
-	void *tx_data;
-	void (*err_callback)(void *data);
-	void *err_data;
-	unsigned char *tx_dma_buf;
-	unsigned char *rx_dma_buf;
-#ifdef CONFIG_SND_BF5XX_MMAP_SUPPORT
-	dma_addr_t tx_dma_phy;
-	dma_addr_t rx_dma_phy;
-	int tx_pos;/*pcm sample count*/
-	int rx_pos;
-	unsigned int tx_buffer_size;
-	unsigned int rx_buffer_size;
-	int tx_delay_pos;
-	int once;
-#endif
-	void *private_data;
-};
-
-struct sport_param {
-	int num;
-	int dma_rx_chan;
-	int dma_tx_chan;
-	int err_irq;
-	const unsigned short *pin_req;
-	struct sport_register *regs;
-	unsigned int wdsize;
-	unsigned int dummy_count;
-	void *private_data;
-};
-
-struct sport_device *sport_init(struct platform_device *pdev,
-	unsigned int wdsize, unsigned int dummy_count, size_t priv_size);
-
-void sport_done(struct sport_device *sport);
-
-/* first use these ...*/
-
-/* note: multichannel is in units of 8 channels, tdm_count is number of channels
- *  NOT / 8 ! all channels are enabled by default */
-int sport_set_multichannel(struct sport_device *sport, int tdm_count,
-		u32 tx_mask, u32 rx_mask, int packed);
-
-int sport_config_rx(struct sport_device *sport,
-		unsigned int rcr1, unsigned int rcr2,
-		unsigned int clkdiv, unsigned int fsdiv);
-
-int sport_config_tx(struct sport_device *sport,
-		unsigned int tcr1, unsigned int tcr2,
-		unsigned int clkdiv, unsigned int fsdiv);
-
-/* ... then these: */
-
-/* buffer size (in bytes) == fragcount * fragsize_bytes */
-
-/* this is not a very general api, it sets the dma to 2d autobuffer mode */
-
-int sport_config_rx_dma(struct sport_device *sport, void *buf,
-		int fragcount, size_t fragsize_bytes);
-
-int sport_config_tx_dma(struct sport_device *sport, void *buf,
-		int fragcount, size_t fragsize_bytes);
-
-int sport_tx_start(struct sport_device *sport);
-int sport_tx_stop(struct sport_device *sport);
-int sport_rx_start(struct sport_device *sport);
-int sport_rx_stop(struct sport_device *sport);
-
-/* for use in interrupt handler */
-unsigned long sport_curr_offset_rx(struct sport_device *sport);
-unsigned long sport_curr_offset_tx(struct sport_device *sport);
-
-void sport_incfrag(struct sport_device *sport, int *frag, int tx);
-void sport_decfrag(struct sport_device *sport, int *frag, int tx);
-
-int sport_set_rx_callback(struct sport_device *sport,
-		       void (*rx_callback)(void *), void *rx_data);
-int sport_set_tx_callback(struct sport_device *sport,
-		       void (*tx_callback)(void *), void *tx_data);
-int sport_set_err_callback(struct sport_device *sport,
-		       void (*err_callback)(void *), void *err_data);
-
-int sport_send_and_recv(struct sport_device *sport, u8 *out_data, \
-		u8 *in_data, int len);
-#endif /* BF53X_SPORT_H */

sound/soc/blackfin/bf5xx-ssm2602.c

-/*
- * File:         sound/soc/blackfin/bf5xx-ssm2602.c
- * Author:       Cliff Cai <Cliff.Cai@analog.com>
- *
- * Created:      Tue June 06 2008
- * Description:  board driver for SSM2602 sound chip
- *
- * Modified:
- *               Copyright 2008 Analog Devices Inc.
- *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
- *
- * 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, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/device.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include <sound/pcm_params.h>
-
-#include <asm/dma.h>
-#include <asm/portmux.h>
-#include <linux/gpio.h>
-#include "../codecs/ssm2602.h"
-#include "bf5xx-sport.h"
-
-static struct snd_soc_card bf5xx_ssm2602;
-
-static int bf5xx_ssm2602_dai_init(struct snd_soc_pcm_runtime *rtd)
-{
-	/*
-	 * If you are using a crystal source which frequency is not 12MHz
-	 * then modify the below case statement with frequency of the crystal.
-	 *
-	 * If you are using the SPORT to generate clocking then this is
-	 * where to do it.
-	 */
-	return snd_soc_dai_set_sysclk(rtd->codec_dai, SSM2602_SYSCLK, 12000000,
-		SND_SOC_CLOCK_IN);
-}
-
-/* CODEC is master for BCLK and LRC in this configuration. */
-#define BF5XX_SSM2602_DAIFMT (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | \
-				SND_SOC_DAIFMT_CBM_CFM)
-
-static struct snd_soc_dai_link bf5xx_ssm2602_dai[] = {
-	{
-		.name = "ssm2602",
-		.stream_name = "SSM2602",
-		.cpu_dai_name = "bfin-i2s.0",
-		.codec_dai_name = "ssm2602-hifi",
-		.platform_name = "bfin-i2s-pcm-audio",
-		.codec_name = "ssm2602.0-001b",
-		.init = bf5xx_ssm2602_dai_init,
-		.dai_fmt = BF5XX_SSM2602_DAIFMT,
-	},
-	{
-		.name = "ssm2602",
-		.stream_name = "SSM2602",
-		.cpu_dai_name = "bfin-i2s.1",
-		.codec_dai_name = "ssm2602-hifi",
-		.platform_name = "bfin-i2s-pcm-audio",
-		.codec_name = "ssm2602.0-001b",
-		.init = bf5xx_ssm2602_dai_init,
-		.dai_fmt = BF5XX_SSM2602_DAIFMT,
-	},
-};
-
-static struct snd_soc_card bf5xx_ssm2602 = {
-	.name = "bfin-ssm2602",
-	.owner = THIS_MODULE,
-	.dai_link = &bf5xx_ssm2602_dai[CONFIG_SND_BF5XX_SPORT_NUM],
-	.num_links = 1,
-};
-
-static struct platform_device *bf5xx_ssm2602_snd_device;
-
-static int __init bf5xx_ssm2602_init(void)
-{
-	int ret;
-
-	pr_debug("%s enter\n", __func__);
-	bf5xx_ssm2602_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!bf5xx_ssm2602_snd_device)
-		return -ENOMEM;
-
-	platform_set_drvdata(bf5xx_ssm2602_snd_device, &bf5xx_ssm2602);
-	ret = platform_device_add(bf5xx_ssm2602_snd_device);
-
-	if (ret)
-		platform_device_put(bf5xx_ssm2602_snd_device);
-
-	return ret;
-}
-
-static void __exit bf5xx_ssm2602_exit(void)
-{
-	pr_debug("%s enter\n", __func__);
-	platform_device_unregister(bf5xx_ssm2602_snd_device);
-}
-
-module_init(bf5xx_ssm2602_init);
-module_exit(bf5xx_ssm2602_exit);
-
-/* Module information */
-MODULE_AUTHOR("Cliff Cai");
-MODULE_DESCRIPTION("ALSA SoC SSM2602 BF527-EZKIT");
-MODULE_LICENSE("GPL");
-

sound/soc/blackfin/bf6xx-i2s.c

-/*
- * bf6xx-i2s.c - Analog Devices BF6XX i2s interface driver
- *
- * Copyright (c) 2012 Analog Devices Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/device.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-#include <sound/soc-dai.h>
-
-#include "bf6xx-sport.h"
-
-struct sport_params param;
-
-static int bfin_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
-		unsigned int fmt)
-{
-	struct sport_device *sport = snd_soc_dai_get_drvdata(cpu_dai);
-	struct device *dev = &sport->pdev->dev;
-	int ret = 0;
-
-	param.spctl &= ~(SPORT_CTL_OPMODE | SPORT_CTL_CKRE | SPORT_CTL_FSR
-			| SPORT_CTL_LFS | SPORT_CTL_LAFS);
-	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
-	case SND_SOC_DAIFMT_I2S:
-		param.spctl |= SPORT_CTL_OPMODE | SPORT_CTL_CKRE
-			| SPORT_CTL_LFS;
-		break;
-	case SND_SOC_DAIFMT_DSP_A:
-		param.spctl |= SPORT_CTL_FSR;
-		break;
-	case SND_SOC_DAIFMT_LEFT_J:
-		param.spctl |= SPORT_CTL_OPMODE | SPORT_CTL_LFS
-			| SPORT_CTL_LAFS;
-		break;
-	default:
-		dev_err(dev, "%s: Unknown DAI format type\n", __func__);
-		ret = -EINVAL;
-		break;
-	}
-
-	param.spctl &= ~(SPORT_CTL_ICLK | SPORT_CTL_IFS);
-	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-	case SND_SOC_DAIFMT_CBM_CFM:
-		break;
-	case SND_SOC_DAIFMT_CBS_CFS:
-	case SND_SOC_DAIFMT_CBM_CFS:
-	case SND_SOC_DAIFMT_CBS_CFM:
-		ret = -EINVAL;
-		break;
-	default:
-		dev_err(dev, "%s: Unknown DAI master type\n", __func__);
-		ret = -EINVAL;
-		break;
-	}
-
-	return ret;
-}
-
-static int bfin_i2s_hw_params(struct snd_pcm_substream *substream,
-				struct snd_pcm_hw_params *params,
-				struct snd_soc_dai *dai)
-{
-	struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
-	struct device *dev = &sport->pdev->dev;
-	int ret = 0;
-
-	param.spctl &= ~SPORT_CTL_SLEN;
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S8:
-		param.spctl |= 0x70;
-		sport->wdsize = 1;
-		break;
-	case SNDRV_PCM_FORMAT_S16_LE:
-		param.spctl |= 0xf0;
-		sport->wdsize = 2;
-		break;
-	case SNDRV_PCM_FORMAT_S24_LE:
-		param.spctl |= 0x170;
-		sport->wdsize = 3;
-		break;
-	case SNDRV_PCM_FORMAT_S32_LE:
-		param.spctl |= 0x1f0;
-		sport->wdsize = 4;
-		break;
-	}
-
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-		ret = sport_set_tx_params(sport, &param);
-		if (ret) {
-			dev_err(dev, "SPORT tx is busy!\n");
-			return ret;
-		}
-	} else {
-		ret = sport_set_rx_params(sport, &param);
-		if (ret) {
-			dev_err(dev, "SPORT rx is busy!\n");
-			return ret;
-		}
-	}
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int bfin_i2s_suspend(struct snd_soc_dai *dai)
-{
-	struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
-
-	if (dai->capture_active)
-		sport_rx_stop(sport);
-	if (dai->playback_active)
-		sport_tx_stop(sport);
-	return 0;
-}
-
-static int bfin_i2s_resume(struct snd_soc_dai *dai)
-{
-	struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
-	struct device *dev = &sport->pdev->dev;
-	int ret;
-
-	ret = sport_set_tx_params(sport, &param);
-	if (ret) {
-		dev_err(dev, "SPORT tx is busy!\n");
-		return ret;
-	}
-	ret = sport_set_rx_params(sport, &param);
-	if (ret) {
-		dev_err(dev, "SPORT rx is busy!\n");
-		return ret;
-	}
-
-	return 0;
-}
-
-#else
-#define bfin_i2s_suspend NULL
-#define bfin_i2s_resume NULL
-#endif
-
-#define BFIN_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
-		SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
-		SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \
-		SNDRV_PCM_RATE_96000)
-
-#define BFIN_I2S_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | \
-		SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
-
-static const struct snd_soc_dai_ops bfin_i2s_dai_ops = {
-	.hw_params	= bfin_i2s_hw_params,
-	.set_fmt	= bfin_i2s_set_dai_fmt,
-};
-
-static struct snd_soc_dai_driver bfin_i2s_dai = {
-	.suspend = bfin_i2s_suspend,
-	.resume = bfin_i2s_resume,
-	.playback = {
-		.channels_min = 1,
-		.channels_max = 2,
-		.rates = BFIN_I2S_RATES,
-		.formats = BFIN_I2S_FORMATS,
-	},
-	.capture = {
-		.channels_min = 1,
-		.channels_max = 2,
-		.rates = BFIN_I2S_RATES,
-		.formats = BFIN_I2S_FORMATS,
-	},
-	.ops = &bfin_i2s_dai_ops,
-};
-
-static const struct snd_soc_component_driver bfin_i2s_component = {
-	.name		= "bfin-i2s",
-};
-
-static int bfin_i2s_probe(struct platform_device *pdev)
-{
-	struct sport_device *sport;
-	struct device *dev = &pdev->dev;
-	int ret;
-
-	sport = sport_create(pdev);
-	if (!sport)
-		return -ENODEV;
-
-	/* register with the ASoC layers */
-	ret = snd_soc_register_component(dev, &bfin_i2s_component,
-					 &bfin_i2s_dai, 1);
-	if (ret) {
-		dev_err(dev, "Failed to register DAI: %d\n", ret);
-		sport_delete(sport);
-		return ret;
-	}
-	platform_set_drvdata(pdev, sport);
-
-	return 0;
-}
-
-static int bfin_i2s_remove(struct platform_device *pdev)
-{
-	struct sport_device *sport = platform_get_drvdata(pdev);
-
-	snd_soc_unregister_component(&pdev->dev);
-	sport_delete(sport);
-
-	return 0;
-}
-
-static struct platform_driver bfin_i2s_driver = {
-	.probe  = bfin_i2s_probe,
-	.remove = bfin_i2s_remove,
-	.driver = {
-		.name = "bfin-i2s",
-	},
-};
-
-module_platform_driver(bfin_i2s_driver);
-
-MODULE_DESCRIPTION("Analog Devices BF6XX i2s interface driver");
-MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>");
-MODULE_LICENSE("GPL v2");

sound/soc/blackfin/bf6xx-sport.h

-/*
- * bf6xx_sport - Analog Devices BF6XX SPORT driver
- *
- * Copyright (c) 2012 Analog Devices Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef _BF6XX_SPORT_H_
-#define _BF6XX_SPORT_H_
-
-#include <linux/platform_device.h>
-#include <asm/bfin_sport3.h>
-
-struct sport_device {
-	struct platform_device *pdev;
-	const unsigned short *pin_req;
-	struct sport_register *tx_regs;
-	struct sport_register *rx_regs;
-	int tx_dma_chan;
-	int rx_dma_chan;
-	int tx_err_irq;
-	int rx_err_irq;
-
-	void (*tx_callback)(void *data);
-	void *tx_data;
-	void (*rx_callback)(void *data);
-	void *rx_data;
-
-	struct dmasg *tx_desc;
-	struct dmasg *rx_desc;
-	unsigned int tx_desc_size;
-	unsigned int rx_desc_size;
-	unsigned char *tx_buf;
-	unsigned char *rx_buf;
-	unsigned int tx_fragsize;
-	unsigned int rx_fragsize;
-	unsigned int tx_frags;
-	unsigned int rx_frags;
-	unsigned int wdsize;
-};
-
-struct sport_params {
-	u32 spctl;
-	u32 div;
-};
-
-struct sport_device *sport_create(struct platform_device *pdev);
-void sport_delete(struct sport_device *sport);
-int sport_set_tx_params(struct sport_device *sport,
-		struct sport_params *params);
-int sport_set_rx_params(struct sport_device *sport,
-		struct sport_params *params);
-void sport_tx_start(struct sport_device *sport);
-void sport_rx_start(struct sport_device *sport);
-void sport_tx_stop(struct sport_device *sport);
-void sport_rx_stop(struct sport_device *sport);
-void sport_set_tx_callback(struct sport_device *sport,
-	void (*tx_callback)(void *), void *tx_data);
-void sport_set_rx_callback(struct sport_device *sport,
-	void (*rx_callback)(void *), void *rx_data);
-int sport_config_tx_dma(struct sport_device *sport, void *buf,
-	int fragcount, size_t fragsize);
-int sport_config_rx_dma(struct sport_device *sport, void *buf,
-	int fragcount, size_t fragsize);
-unsigned long sport_curr_offset_tx(struct sport_device *sport);
-unsigned long sport_curr_offset_rx(struct sport_device *sport);
-
-
-
-#endif

sound/soc/blackfin/bfin-eval-adau1373.c

-/*
- * Machine driver for EVAL-ADAU1373 on Analog Devices bfin
- * evaluation boards.
- *
- * Copyright 2011 Analog Devices Inc.
- * Author: Lars-Peter Clausen <lars@metafoo.de>
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/module.h>
-#include <linux/device.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include <sound/pcm_params.h>
-
-#include "../codecs/adau1373.h"
-
-static const struct snd_soc_dapm_widget bfin_eval_adau1373_dapm_widgets[] = {
-	SND_SOC_DAPM_LINE("Line In1", NULL),
-	SND_SOC_DAPM_LINE("Line In2", NULL),
-	SND_SOC_DAPM_LINE("Line In3", NULL),
-	SND_SOC_DAPM_LINE("Line In4", NULL),
-
-	SND_SOC_DAPM_LINE("Line Out1", NULL),
-	SND_SOC_DAPM_LINE("Line Out2", NULL),
-	SND_SOC_DAPM_LINE("Stereo Out", NULL),
-	SND_SOC_DAPM_HP("Headphone", NULL),
-	SND_SOC_DAPM_HP("Earpiece", NULL),
-	SND_SOC_DAPM_SPK("Speaker", NULL),
-};
-
-static const struct snd_soc_dapm_route bfin_eval_adau1373_dapm_routes[] = {
-	{ "AIN1L", NULL, "Line In1" },
-	{ "AIN1R", NULL, "Line In1" },
-	{ "AIN2L", NULL, "Line In2" },
-	{ "AIN2R", NULL, "Line In2" },
-	{ "AIN3L", NULL, "Line In3" },
-	{ "AIN3R", NULL, "Line In3" },
-	{ "AIN4L", NULL, "Line In4" },
-	{ "AIN4R", NULL, "Line In4" },
-
-	/* MICBIAS can be connected via a jumper to the line-in jack, since w
-	   don't know which one is going to be used, just power both. */
-	{ "Line In1", NULL, "MICBIAS1" },
-	{ "Line In2", NULL, "MICBIAS1" },
-	{ "Line In3", NULL, "MICBIAS1" },
-	{ "Line In4", NULL, "MICBIAS1" },
-	{ "Line In1", NULL, "MICBIAS2" },
-	{ "Line In2", NULL, "MICBIAS2" },
-	{ "Line In3", NULL, "MICBIAS2" },
-	{ "Line In4", NULL, "MICBIAS2" },
-
-	{ "Line Out1", NULL, "LOUT1L" },
-	{ "Line Out1", NULL, "LOUT1R" },
-	{ "Line Out2", NULL, "LOUT2L" },
-	{ "Line Out2", NULL, "LOUT2R" },
-	{ "Headphone", NULL, "HPL" },
-	{ "Headphone", NULL, "HPR" },
-	{ "Earpiece", NULL, "EP" },
-	{ "Speaker", NULL, "SPKL" },
-	{ "Stereo Out", NULL, "SPKR" },
-};
-
-static int bfin_eval_adau1373_hw_params(struct snd_pcm_substream *substream,
-	struct snd_pcm_hw_params *params)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	int ret;
-	int pll_rate;
-
-	switch (params_rate(params)) {
-	case 48000:
-	case 8000:
-	case 12000:
-	case 16000:
-	case 24000:
-	case 32000:
-		pll_rate = 48000 * 1024;
-		break;
-	case 44100:
-	case 7350:
-	case 11025:
-	case 14700:
-	case 22050:
-	case 29400:
-		pll_rate = 44100 * 1024;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	ret = snd_soc_dai_set_pll(codec_dai, ADAU1373_PLL1,
-			ADAU1373_PLL_SRC_MCLK1, 12288000, pll_rate);
-	if (ret)
-		return ret;
-
-	ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1373_CLK_SRC_PLL1, pll_rate,
-			SND_SOC_CLOCK_IN);
-
-	return ret;
-}
-
-static int bfin_eval_adau1373_codec_init(struct snd_soc_pcm_runtime *rtd)
-{
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	unsigned int pll_rate = 48000 * 1024;
-	int ret;
-
-	ret = snd_soc_dai_set_pll(codec_dai, ADAU1373_PLL1,
-			ADAU1373_PLL_SRC_MCLK1, 12288000, pll_rate);
-	if (ret)
-		return ret;
-
-	ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1373_CLK_SRC_PLL1, pll_rate,
-			SND_SOC_CLOCK_IN);
-
-	return ret;
-}
-static const struct snd_soc_ops bfin_eval_adau1373_ops = {
-	.hw_params = bfin_eval_adau1373_hw_params,
-};
-
-static struct snd_soc_dai_link bfin_eval_adau1373_dai = {
-	.name = "adau1373",
-	.stream_name = "adau1373",
-	.cpu_dai_name = "bfin-i2s.0",
-	.codec_dai_name = "adau1373-aif1",
-	.platform_name = "bfin-i2s-pcm-audio",
-	.codec_name = "adau1373.0-001a",
-	.ops = &bfin_eval_adau1373_ops,
-	.init = bfin_eval_adau1373_codec_init,
-	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
-			SND_SOC_DAIFMT_CBM_CFM,
-};
-
-static struct snd_soc_card bfin_eval_adau1373 = {
-	.name = "bfin-eval-adau1373",
-	.owner = THIS_MODULE,
-	.dai_link = &bfin_eval_adau1373_dai,
-	.num_links = 1,
-
-	.dapm_widgets		= bfin_eval_adau1373_dapm_widgets,
-	.num_dapm_widgets	= ARRAY_SIZE(bfin_eval_adau1373_dapm_widgets),
-	.dapm_routes		= bfin_eval_adau1373_dapm_routes,
-	.num_dapm_routes	= ARRAY_SIZE(bfin_eval_adau1373_dapm_routes),
-};
-
-static int bfin_eval_adau1373_probe(struct platform_device *pdev)
-{
-	struct snd_soc_card *card = &bfin_eval_adau1373;
-
-	card->dev = &pdev->dev;
-
-	return devm_snd_soc_register_card(&pdev->dev, &bfin_eval_adau1373);
-}
-
-static struct platform_driver bfin_eval_adau1373_driver = {
-	.driver = {
-		.name = "bfin-eval-adau1373",
-		.pm = &snd_soc_pm_ops,
-	},
-	.probe = bfin_eval_adau1373_probe,
-};
-
-module_platform_driver(bfin_eval_adau1373_driver);
-
-MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
-MODULE_DESCRIPTION("ALSA SoC bfin adau1373 driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:bfin-eval-adau1373");

sound/soc/blackfin/bfin-eval-adau1701.c

-/*
- * Machine driver for EVAL-ADAU1701MINIZ on Analog Devices bfin
- * evaluation boards.
- *
- * Copyright 2011 Analog Devices Inc.
- * Author: Lars-Peter Clausen <lars@metafoo.de>
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/module.h>
-#include <linux/device.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include <sound/pcm_params.h>
-
-#include "../codecs/adau1701.h"
-
-static const struct snd_soc_dapm_widget bfin_eval_adau1701_dapm_widgets[] = {
-	SND_SOC_DAPM_SPK("Speaker", NULL),
-	SND_SOC_DAPM_LINE("Line Out", NULL),
-	SND_SOC_DAPM_LINE("Line In", NULL),
-};
-
-static const struct snd_soc_dapm_route bfin_eval_adau1701_dapm_routes[] = {
-	{ "Speaker", NULL, "OUT0" },
-	{ "Speaker", NULL, "OUT1" },
-	{ "Line Out", NULL, "OUT2" },
-	{ "Line Out", NULL, "OUT3" },
-
-	{ "IN0", NULL, "Line In" },
-	{ "IN1", NULL, "Line In" },
-};
-
-static int bfin_eval_adau1701_hw_params(struct snd_pcm_substream *substream,
-	struct snd_pcm_hw_params *params)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	int ret;
-
-	ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1701_CLK_SRC_OSC, 12288000,
-			SND_SOC_CLOCK_IN);
-
-	return ret;
-}
-
-static struct snd_soc_ops bfin_eval_adau1701_ops = {
-	.hw_params = bfin_eval_adau1701_hw_params,
-};
-
-#define BFIN_EVAL_ADAU1701_DAI_FMT (SND_SOC_DAIFMT_I2S | \
-				SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM)
-
-static struct snd_soc_dai_link bfin_eval_adau1701_dai[] = {
-	{
-		.name = "adau1701",
-		.stream_name = "adau1701",
-		.cpu_dai_name = "bfin-i2s.0",
-		.codec_dai_name = "adau1701",
-		.platform_name = "bfin-i2s-pcm-audio",
-		.codec_name = "adau1701.0-0034",
-		.ops = &bfin_eval_adau1701_ops,
-		.dai_fmt = BFIN_EVAL_ADAU1701_DAI_FMT,
-	},
-	{
-		.name = "adau1701",
-		.stream_name = "adau1701",
-		.cpu_dai_name = "bfin-i2s.1",
-		.codec_dai_name = "adau1701",
-		.platform_name = "bfin-i2s-pcm-audio",
-		.codec_name = "adau1701.0-0034",
-		.ops = &bfin_eval_adau1701_ops,
-		.dai_fmt = BFIN_EVAL_ADAU1701_DAI_FMT,
-	},
-};
-
-static struct snd_soc_card bfin_eval_adau1701 = {
-	.name = "bfin-eval-adau1701",
-	.owner = THIS_MODULE,
-	.dai_link = &bfin_eval_adau1701_dai[CONFIG_SND_BF5XX_SPORT_NUM],
-	.num_links = 1,
-
-	.dapm_widgets		= bfin_eval_adau1701_dapm_widgets,
-	.num_dapm_widgets	= ARRAY_SIZE(bfin_eval_adau1701_dapm_widgets),
-	.dapm_routes		= bfin_eval_adau1701_dapm_routes,
-	.num_dapm_routes	= ARRAY_SIZE(bfin_eval_adau1701_dapm_routes),
-};
-
-static int bfin_eval_adau1701_probe(struct platform_device *pdev)
-{
-	struct snd_soc_card *card = &bfin_eval_adau1701;
-
-	card->dev = &pdev->dev;
-
-	return devm_snd_soc_register_card(&pdev->dev, &bfin_eval_adau1701);
-}
-
-static struct platform_driver bfin_eval_adau1701_driver = {
-	.driver = {
-		.name = "bfin-eval-adau1701",
-		.pm = &snd_soc_pm_ops,
-	},
-	.probe = bfin_eval_adau1701_probe,
-};
-
-module_platform_driver(bfin_eval_adau1701_driver);
-
-MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
-MODULE_DESCRIPTION("ALSA SoC bfin ADAU1701 driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:bfin-eval-adau1701");