Skip to content

L
linux
Commit 6c742509 authored by Sedji Gaouaou's avatar Sedji Gaouaou Committed by Mark Brown
Browse files
Options

ASoC: Merge AT91 and AVR32 support into a single atmel architecture 

The Ateml AT91 and AVR32 SoC share common IP for audio and can share the
same driver code using the atmel-ssc API provided for both architectures.
Do this, creating a new unified atmel ASoC architecture to replace the
previous at32 and at91 ones.

[This was contributed as a patch series for reviewability but has been
squashed down to a single commit to help preserve both the history and
bisectability.  A small bugfix from Jukka is included.]
Tested-by: default avatarJukka Hynninen <ext-jukka.hynninen@vaisala.com>
Signed-off-by: default avatarSedji Gaouaou <sedji.gaouaou@atmel.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent dc06102a
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 1235 additions and 1672 deletions
sound/soc/Kconfig
View file @ 6c742509
......@@ -23,8 +23,7 @@ config SND_SOC_AC97_BUS
bool
# All the supported Soc's
source "sound/soc/at32/Kconfig"
source "sound/soc/at91/Kconfig"
source "sound/soc/atmel/Kconfig"
source "sound/soc/au1x/Kconfig"
source "sound/soc/pxa/Kconfig"
source "sound/soc/s3c24xx/Kconfig"
......
sound/soc/Makefile
View file @ 6c742509
snd-soc-core-objs := soc-core.o soc-dapm.o
obj-$(CONFIG_SND_SOC) += snd-soc-core.o
obj-$(CONFIG_SND_SOC) += codecs/ at32/ at91/ pxa/ s3c24xx/ sh/ fsl/ davinci/
obj-$(CONFIG_SND_SOC) += codecs/ atmel/ pxa/ s3c24xx/ sh/ fsl/ davinci/
obj-$(CONFIG_SND_SOC) += omap/ au1x/ blackfin/
sound/soc/at32/Makefile deleted 100644 → 0
View file @ dc06102a
# AT32 Platform Support
snd-soc-at32-objs := at32-pcm.o
snd-soc-at32-ssc-objs := at32-ssc.o
obj-$(CONFIG_SND_AT32_SOC) += snd-soc-at32.o
obj-$(CONFIG_SND_AT32_SOC_SSC) += snd-soc-at32-ssc.o
# AT32 Machine Support
snd-soc-playpaq-objs := playpaq_wm8510.o
obj-$(CONFIG_SND_AT32_SOC_PLAYPAQ) += snd-soc-playpaq.o
sound/soc/at32/at32-pcm.h deleted 100644 → 0
View file @ dc06102a
/* sound/soc/at32/at32-pcm.h
* ASoC PCM interface for Atmel AT32 SoC
*
* Copyright (C) 2008 Long Range Systems
* Geoffrey Wossum <gwossum@acm.org>
*
* 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 __SOUND_SOC_AT32_AT32_PCM_H
#define __SOUND_SOC_AT32_AT32_PCM_H __FILE__
#include <linux/atmel-ssc.h>
/*
* Registers and status bits that are required by the PCM driver
* TODO: Is ptcr really used?
*/
struct at32_pdc_regs {
u32 xpr; /* PDC RX/TX pointer */
u32 xcr; /* PDC RX/TX counter */
u32 xnpr; /* PDC next RX/TX pointer */
u32 xncr; /* PDC next RX/TX counter */
u32 ptcr; /* PDC transfer control */
};
/*
* SSC mask info
*/
struct at32_ssc_mask {
u32 ssc_enable; /* SSC RX/TX enable */
u32 ssc_disable; /* SSC RX/TX disable */
u32 ssc_endx; /* SSC ENDTX or ENDRX */
u32 ssc_endbuf; /* SSC TXBUFF or RXBUFF */
u32 pdc_enable; /* PDC RX/TX enable */
u32 pdc_disable; /* PDC RX/TX disable */
};
/*
* This structure, shared between the PCM driver and the interface,
* contains all information required by the PCM driver to perform the
* PDC DMA operation. All fields except dma_intr_handler() are initialized
* by the interface. The dms_intr_handler() pointer is set by the PCM
* driver and called by the interface SSC interrupt handler if it is
* non-NULL.
*/
struct at32_pcm_dma_params {
char *name; /* stream identifier */
int pdc_xfer_size; /* PDC counter increment in bytes */
struct ssc_device *ssc; /* SSC device for stream */
struct at32_pdc_regs *pdc; /* PDC register info */
struct at32_ssc_mask *mask; /* SSC mask info */
struct snd_pcm_substream *substream;
void (*dma_intr_handler) (u32, struct snd_pcm_substream *);
};
/*
* The AT32 ASoC platform driver
*/
extern struct snd_soc_platform at32_soc_platform;
/*
* SSC register access (since ssc_writel() / ssc_readl() require literal name)
*/
#define ssc_readx(base, reg) (__raw_readl((base) + (reg)))
#define ssc_writex(base, reg, value) __raw_writel((value), (base) + (reg))
#endif /* __SOUND_SOC_AT32_AT32_PCM_H */
sound/soc/at32/at32-ssc.c deleted 100644 → 0
View file @ dc06102a
This diff is collapsed.
sound/soc/at32/at32-ssc.h deleted 100644 → 0
View file @ dc06102a
/* sound/soc/at32/at32-ssc.h
* ASoC SSC interface for Atmel AT32 SoC
*
* Copyright (C) 2008 Long Range Systems
* Geoffrey Wossum <gwossum@acm.org>
*
* 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 __SOUND_SOC_AT32_AT32_SSC_H
#define __SOUND_SOC_AT32_AT32_SSC_H __FILE__
#include <linux/types.h>
#include <linux/atmel-ssc.h>
#include "at32-pcm.h"
struct at32_ssc_state {
u32 ssc_cmr;
u32 ssc_rcmr;
u32 ssc_rfmr;
u32 ssc_tcmr;
u32 ssc_tfmr;
u32 ssc_sr;
u32 ssc_imr;
};
struct at32_ssc_info {
char *name;
struct ssc_device *ssc;
spinlock_t lock; /* lock for dir_mask */
unsigned short dir_mask; /* 0=unused, 1=playback, 2=capture */
unsigned short initialized; /* true if SSC has been initialized */
unsigned short daifmt;
unsigned short cmr_div;
unsigned short tcmr_period;
unsigned short rcmr_period;
struct at32_pcm_dma_params *dma_params[2];
struct at32_ssc_state ssc_state;
};
/* SSC divider ids */
#define AT32_SSC_CMR_DIV 0 /* MCK divider for BCLK */
#define AT32_SSC_TCMR_PERIOD 1 /* BCLK divider for transmit FS */
#define AT32_SSC_RCMR_PERIOD 2 /* BCLK divider for receive FS */
extern struct snd_soc_dai at32_ssc_dai[];
#endif /* __SOUND_SOC_AT32_AT32_SSC_H */
sound/soc/at91/Kconfig deleted 100644 → 0
View file @ dc06102a
config SND_AT91_SOC
tristate "SoC Audio for the Atmel AT91 System-on-Chip"
depends on ARCH_AT91
help
Say Y or M if you want to add support for codecs attached to
the AT91 SSC interface. You will also need
to select the audio interfaces to support below.
config SND_AT91_SOC_SSC
tristate
sound/soc/at91/Makefile deleted 100644 → 0
View file @ dc06102a
# AT91 Platform Support
snd-soc-at91-objs := at91-pcm.o
snd-soc-at91-ssc-objs := at91-ssc.o
obj-$(CONFIG_SND_AT91_SOC) += snd-soc-at91.o
obj-$(CONFIG_SND_AT91_SOC_SSC) += snd-soc-at91-ssc.o
sound/soc/at91/at91-pcm.c deleted 100644 → 0
View file @ dc06102a
This diff is collapsed.
sound/soc/at91/at91-ssc.h deleted 100644 → 0
View file @ dc06102a
/*
* at91-ssc.h - ALSA SSC interface for the Atmel AT91 SoC
*
* Author: Frank Mandarino <fmandarino@endrelia.com>
* Endrelia Technologies Inc.
* Created: Jan 9, 2007
*
* 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 _AT91_SSC_H
#define _AT91_SSC_H
/* SSC system clock ids */
#define AT91_SYSCLK_MCK 0 /* SSC uses AT91 MCK as system clock */
/* SSC divider ids */
#define AT91SSC_CMR_DIV 0 /* MCK divider for BCLK */
#define AT91SSC_TCMR_PERIOD 1 /* BCLK divider for transmit FS */
#define AT91SSC_RCMR_PERIOD 2 /* BCLK divider for receive FS */
extern struct snd_soc_dai at91_ssc_dai[];
#endif /* _AT91_SSC_H */
sound/soc/at32/Kconfig → sound/soc/atmel/Kconfig
View file @ 6c742509
config SND_AT32_SOC
tristate "SoC Audio for the Atmel AT32 System-on-a-Chip"
depends on AVR32 && SND_SOC
help
Say Y or M if you want to add support for codecs attached to
the AT32 SSC interface. You will also need to
to select the audio interfaces to support below.
config SND_AT32_SOC_SSC
tristate
config SND_ATMEL_SOC
tristate "SoC Audio for the Atmel System-on-Chip"
depends on ARCH_AT91 || AVR32
help
Say Y or M if you want to add support for codecs attached to
the ATMEL SSC interface. You will also need
to select the audio interfaces to support below.
config SND_ATMEL_SOC_SSC
tristate
depends on SND_ATMEL_SOC
help
Say Y or M if you want to add support for codecs the
ATMEL SSC interface. You will also needs to select the individual
machine drivers to support below.
config SND_AT91_SOC_SAM9G20_WM8731
tristate "SoC Audio support for WM8731-based At91sam9g20 evaluation board"
depends on ATMEL_SSC && ARCH_AT91SAM9G20 && SND_ATMEL_SOC
select SND_ATMEL_SOC_SSC
select SND_SOC_WM8731
help
Say Y if you want to add support for SoC audio on WM8731-based
AT91sam9g20 evaluation board.
config SND_AT32_SOC_PLAYPAQ
tristate "SoC Audio support for PlayPaq with WM8510"
depends on SND_AT32_SOC && BOARD_PLAYPAQ
select SND_AT32_SOC_SSC
depends on SND_ATMEL_SOC && BOARD_PLAYPAQ
select SND_ATMEL_SOC_SSC
select SND_SOC_WM8510
help
Say Y or M here if you want to add support for SoC audio
on the LRS PlayPaq.
config SND_AT32_SOC_PLAYPAQ_SLAVE
bool "Run CODEC on PlayPaq in slave mode"
depends on SND_AT32_SOC_PLAYPAQ
......
sound/soc/atmel/Makefile 0 → 100644
View file @ 6c742509
# AT91 Platform Support
snd-soc-atmel-pcm-objs := atmel-pcm.o
snd-soc-atmel_ssc_dai-objs := atmel_ssc_dai.o
obj-$(CONFIG_SND_ATMEL_SOC) += snd-soc-atmel-pcm.o
obj-$(CONFIG_SND_ATMEL_SOC_SSC) += snd-soc-atmel_ssc_dai.o
# AT91 Machine Support
snd-soc-sam9g20-wm8731-objs := sam9g20_wm8731.o
# AT32 Machine Support
snd-soc-playpaq-objs := playpaq_wm8510.o
obj-$(CONFIG_SND_AT91_SOC_SAM9G20_WM8731) += snd-soc-sam9g20-wm8731.o
obj-$(CONFIG_SND_AT32_SOC_PLAYPAQ) += snd-soc-playpaq.o
sound/soc/at91/at91-pcm.h → sound/soc/atmel/atmel-pcm.h
View file @ 6c742509
/*
* at91-pcm.h - ALSA PCM interface for the Atmel AT91 SoC
* at91-pcm.h - ALSA PCM interface for the Atmel AT91 SoC.
*
* Author: Frank Mandarino <fmandarino@endrelia.com>
* Endrelia Technologies Inc.
* Created: Mar 3, 2006
* Copyright (C) 2005 SAN People
* Copyright (C) 2008 Atmel
*
* Based on pxa2xx-pcm.h by:
* Authors: Sedji Gaouaou <sedji.gaouaou@atmel.com>
*
* Based on at91-pcm. by:
* Frank Mandarino <fmandarino@endrelia.com>
* Copyright 2006 Endrelia Technologies Inc.
*
* Based on pxa2xx-pcm.c by:
*
* Author: Nicolas Pitre
* Created: Nov 30, 2004
* Copyright: MontaVista Software, Inc.
* Copyright: (C) 2004 MontaVista Software, 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.
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _AT91_PCM_H
#define _AT91_PCM_H
#ifndef _ATMEL_PCM_H
#define _ATMEL_PCM_H
#include <mach/hardware.h>
struct at91_ssc_periph {
void __iomem *base;
u32 pid;
};
#include <linux/atmel-ssc.h>
/*
* Registers and status bits that are required by the PCM driver.
*/
struct at91_pdc_regs {
struct atmel_pdc_regs {
unsigned int xpr; /* PDC recv/trans pointer */
unsigned int xcr; /* PDC recv/trans counter */
unsigned int xnpr; /* PDC next recv/trans pointer */
......@@ -37,7 +47,7 @@ struct at91_pdc_regs {
unsigned int ptcr; /* PDC transfer control */
};
struct at91_ssc_mask {
struct atmel_ssc_mask {
u32 ssc_enable; /* SSC recv/trans enable */
u32 ssc_disable; /* SSC recv/trans disable */
u32 ssc_endx; /* SSC ENDTX or ENDRX */
......@@ -54,19 +64,23 @@ struct at91_ssc_mask {
* driver and called by the interface SSC interrupt handler if it is
* non-NULL.
*/
struct at91_pcm_dma_params {
struct atmel_pcm_dma_params {
char *name; /* stream identifier */
int pdc_xfer_size; /* PDC counter increment in bytes */
void __iomem *ssc_base; /* SSC base address */
struct at91_pdc_regs *pdc; /* PDC receive or transmit registers */
struct at91_ssc_mask *mask;/* SSC & PDC status bits */
struct ssc_device *ssc; /* SSC device for stream */
struct atmel_pdc_regs *pdc; /* PDC receive or transmit registers */
struct atmel_ssc_mask *mask; /* SSC & PDC status bits */
struct snd_pcm_substream *substream;
void (*dma_intr_handler)(u32, struct snd_pcm_substream *);
};
extern struct snd_soc_platform at91_soc_platform;
extern struct snd_soc_platform atmel_soc_platform;
#define at91_ssc_read(a) ((unsigned long) __raw_readl(a))
#define at91_ssc_write(a,v) __raw_writel((v),(a))
/*
* SSC register access (since ssc_writel() / ssc_readl() require literal name)
*/
#define ssc_readx(base, reg) (__raw_readl((base) + (reg)))
#define ssc_writex(base, reg, value) __raw_writel((value), (base) + (reg))
#endif /* _AT91_PCM_H */
#endif /* _ATMEL_PCM_H */
sound/soc/atmel/atmel_ssc_dai.h 0 → 100644
View file @ 6c742509
/*
* atmel_ssc_dai.h - ALSA SSC interface for the Atmel SoC
*
* Copyright (C) 2005 SAN People
* Copyright (C) 2008 Atmel
*
* Author: Sedji Gaouaou <sedji.gaouaou@atmel.com>
* ATMEL CORP.
*
* Based on at91-ssc.c by
* Frank Mandarino <fmandarino@endrelia.com>
* Based on pxa2xx Platform drivers by
* Liam Girdwood <liam.girdwood@wolfsonmicro.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _ATMEL_SSC_DAI_H
#define _ATMEL_SSC_DAI_H
#include <linux/types.h>
#include <linux/atmel-ssc.h>
#include "atmel-pcm.h"
/* SSC system clock ids */
#define ATMEL_SYSCLK_MCK 0 /* SSC uses AT91 MCK as system clock */
/* SSC divider ids */
#define ATMEL_SSC_CMR_DIV 0 /* MCK divider for BCLK */
#define ATMEL_SSC_TCMR_PERIOD 1 /* BCLK divider for transmit FS */
#define ATMEL_SSC_RCMR_PERIOD 2 /* BCLK divider for receive FS */
/*
* SSC direction masks
*/
#define SSC_DIR_MASK_UNUSED 0
#define SSC_DIR_MASK_PLAYBACK 1
#define SSC_DIR_MASK_CAPTURE 2
/*
* SSC register values that Atmel left out of <linux/atmel-ssc.h>. These
* are expected to be used with SSC_BF
*/
/* START bit field values */
#define SSC_START_CONTINUOUS 0
#define SSC_START_TX_RX 1
#define SSC_START_LOW_RF 2
#define SSC_START_HIGH_RF 3
#define SSC_START_FALLING_RF 4
#define SSC_START_RISING_RF 5
#define SSC_START_LEVEL_RF 6
#define SSC_START_EDGE_RF 7
#define SSS_START_COMPARE_0 8
/* CKI bit field values */
#define SSC_CKI_FALLING 0
#define SSC_CKI_RISING 1
/* CKO bit field values */
#define SSC_CKO_NONE 0
#define SSC_CKO_CONTINUOUS 1
#define SSC_CKO_TRANSFER 2
/* CKS bit field values */
#define SSC_CKS_DIV 0
#define SSC_CKS_CLOCK 1
#define SSC_CKS_PIN 2
/* FSEDGE bit field values */
#define SSC_FSEDGE_POSITIVE 0
#define SSC_FSEDGE_NEGATIVE 1
/* FSOS bit field values */
#define SSC_FSOS_NONE 0
#define SSC_FSOS_NEGATIVE 1
#define SSC_FSOS_POSITIVE 2
#define SSC_FSOS_LOW 3
#define SSC_FSOS_HIGH 4
#define SSC_FSOS_TOGGLE 5
#define START_DELAY 1
struct atmel_ssc_state {
u32 ssc_cmr;
u32 ssc_rcmr;
u32 ssc_rfmr;
u32 ssc_tcmr;
u32 ssc_tfmr;
u32 ssc_sr;
u32 ssc_imr;
};
struct atmel_ssc_info {
char *name;
struct ssc_device *ssc;
spinlock_t lock; /* lock for dir_mask */
unsigned short dir_mask; /* 0=unused, 1=playback, 2=capture */
unsigned short initialized; /* true if SSC has been initialized */
unsigned short daifmt;
unsigned short cmr_div;
unsigned short tcmr_period;
unsigned short rcmr_period;
struct atmel_pcm_dma_params *dma_params[2];
struct atmel_ssc_state ssc_state;
};
extern struct snd_soc_dai atmel_ssc_dai[];
#endif /* _AT91_SSC_DAI_H */
sound/soc/at32/playpaq_wm8510.c → sound/soc/atmel/playpaq_wm8510.c
View file @ 6c742509
......@@ -40,8 +40,8 @@
#include <mach/portmux.h>
#include "../codecs/wm8510.h"
#include "at32-pcm.h"
#include "at32-ssc.h"
#include "atmel-pcm.h"
#include "atmel_ssc_dai.h"
/*-------------------------------------------------------------------------*\
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7