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authorDenys Dmytriyenko <denis@denix.org>2009-03-17 14:32:59 -0400
committerDenys Dmytriyenko <denis@denix.org>2009-03-17 14:32:59 -0400
commit709c4d66e0b107ca606941b988bad717c0b45d9b (patch)
tree37ee08b1eb308f3b2b6426d5793545c38396b838 /packages/linux/linux-2.6.18/at73c213-alsa-driver.patch
parentfa6cd5a3b993f16c27de4ff82b42684516d433ba (diff)
rename packages/ to recipes/ per earlier agreement
See links below for more details: http://thread.gmane.org/gmane.comp.handhelds.openembedded/21326 http://thread.gmane.org/gmane.comp.handhelds.openembedded/21816 Signed-off-by: Denys Dmytriyenko <denis@denix.org> Acked-by: Mike Westerhof <mwester@dls.net> Acked-by: Philip Balister <philip@balister.org> Acked-by: Khem Raj <raj.khem@gmail.com> Acked-by: Marcin Juszkiewicz <hrw@openembedded.org> Acked-by: Koen Kooi <koen@openembedded.org> Acked-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Diffstat (limited to 'packages/linux/linux-2.6.18/at73c213-alsa-driver.patch')
-rw-r--r--packages/linux/linux-2.6.18/at73c213-alsa-driver.patch1485
1 files changed, 0 insertions, 1485 deletions
diff --git a/packages/linux/linux-2.6.18/at73c213-alsa-driver.patch b/packages/linux/linux-2.6.18/at73c213-alsa-driver.patch
deleted file mode 100644
index ceb12cc950..0000000000
--- a/packages/linux/linux-2.6.18/at73c213-alsa-driver.patch
+++ /dev/null
@@ -1,1485 +0,0 @@
-From nobody Mon Sep 17 00:00:00 2001
-From: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
-Date: Fri Apr 28 15:30:44 2006 +0200
-Subject: [PATCH] at73c213 ALSA driver
-
-This driver uses the SSC and SPI modules to communicate with an at73c213
-sound chip on the AT32STK1000.
-
----
-
- sound/avr32/Kconfig | 20
- sound/avr32/Makefile | 3
- sound/avr32/at73c213.c | 1296 +++++++++++++++++++++++++++++++++++++++++++++++++
- sound/avr32/at73c213.h | 120 ++++
- 4 files changed, 1439 insertions(+)
- create mode 100644 sound/avr32/at73c213.c
- create mode 100644 sound/avr32/at73c213.h
-
-859730d5cbe00b7935c4e30d179c5c5b096deb3c
-Index: linux-2.6.18-avr32/sound/avr32/Kconfig
-===================================================================
---- linux-2.6.18-avr32.orig/sound/avr32/Kconfig 2006-11-02 15:56:20.000000000 +0100
-+++ linux-2.6.18-avr32/sound/avr32/Kconfig 2006-11-02 15:56:20.000000000 +0100
-@@ -28,4 +28,24 @@ config SND_ATMEL_AC97C_USE_PDC
- Say Y if PDC (Peripheral DMA Controller) is used for DMA transfers
- to/from the Atmel AC97C instead of using the generic DMA framework.
-
-+config SND_AT73C213
-+ tristate "Atmel AT73C213 DAC driver"
-+ depends on SND && SPI_ATMEL
-+ select SND_PCM
-+ help
-+ Say Y here if you want to use the Atmel AT73C213 external
-+ DAC on the ATSTK1000 development board.
-+
-+ To compile this driver as a module, choose M here: the
-+ module will be called snd-at73c213.
-+
-+config SND_AT73C213_USE_ALSA_MALLOC_CALLS
-+ bool "Use the built-in malloc calls in the alsa driver"
-+ default n
-+ depends on SND_AT73C213
-+ help
-+ Say Y if the built-in malloc calls in the alsa driver should be
-+ used instead of the native dma_alloc_coherent and dma_free_coherent
-+ function calls. Enabling this feature may brake the rmmod feature.
-+
- endmenu
-Index: linux-2.6.18-avr32/sound/avr32/Makefile
-===================================================================
---- linux-2.6.18-avr32.orig/sound/avr32/Makefile 2006-11-02 15:56:20.000000000 +0100
-+++ linux-2.6.18-avr32/sound/avr32/Makefile 2006-11-02 15:56:20.000000000 +0100
-@@ -4,3 +4,6 @@
-
- snd-atmel-ac97-objs := ac97c.o
- obj-$(CONFIG_SND_ATMEL_AC97) += snd-atmel-ac97.o
-+
-+snd-at73c213-objs := at73c213.o
-+obj-$(CONFIG_SND_AT73C213) += snd-at73c213.o
-Index: linux-2.6.18-avr32/sound/avr32/at73c213.c
-===================================================================
---- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.18-avr32/sound/avr32/at73c213.c 2006-11-02 16:01:55.000000000 +0100
-@@ -0,0 +1,1296 @@
-+/*
-+ * Driver for the at73c213 16-bit stereo DAC on Atmel ATSTK1000
-+ *
-+ * Copyright (C) 2006 Atmel Norway
-+ *
-+ * 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.
-+ *
-+ * The full GNU General Public License is included in this
-+ * distribution in the file called COPYING.
-+ */
-+#undef DEBUG
-+#include <linux/clk.h>
-+#include <linux/delay.h>
-+#include <linux/device.h>
-+#include <linux/dma-mapping.h>
-+#include <linux/init.h>
-+#include <linux/interrupt.h>
-+#include <linux/kmod.h>
-+#include <linux/module.h>
-+#include <linux/platform_device.h>
-+
-+#include <sound/initval.h>
-+#include <sound/driver.h>
-+#include <sound/control.h>
-+#include <sound/core.h>
-+#include <sound/pcm.h>
-+#ifndef SND_AT73C213_USE_ALSA_MALLOC_CALLS
-+#include <sound/memalloc.h>
-+#endif
-+
-+#include <linux/spi/spi.h>
-+
-+#include <asm/io.h>
-+#include <asm/processor.h>
-+
-+#include "at73c213.h"
-+
-+/* module parameters */
-+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
-+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
-+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
-+
-+/* Register defines */
-+#define PIOA_BASE 0xFFE02800
-+#define SSC0_BASE 0xFFE01C00
-+#define PM_BASE 0xFFF00000
-+
-+#define PM_CKSEL 0x04
-+#define PM_APBAMASK 0x10
-+#define PM_GCCTRL 0x60
-+
-+#define PIO_PER 0x00
-+#define PIO_PDR 0x04
-+#define PIO_PUER 0x64
-+#define PIO_ASR 0x70
-+#define PIO_BSR 0x74
-+
-+#define SSC_CMR 0x04
-+#define SSC_CR 0x00
-+#define SSC_TCMR 0x18
-+#define SSC_TFMR 0x1C
-+
-+/* SSC register definitions */
-+#define SSC_CR 0x00
-+#define SSC_CMR 0x04
-+#define SSC_TCMR 0x18
-+#define SSC_TFMR 0x1C
-+#define SSC_THR 0x24
-+#define SSC_SR 0x40
-+#define SSC_IER 0x44
-+#define SSC_IDR 0x48
-+#define SSC_IMR 0x4C
-+
-+/* SSC fields definitions */
-+#define SSC_CR_TXEN 0x00000100
-+#define SSC_CR_TXDIS 0x00000200
-+#define SSC_CR_SWRST 0x00008000
-+
-+/* SSC interrupt definitions */
-+#define SSC0_IRQ 10
-+#define SSC_INT_ENDTX 0x00000004
-+#define SSC_INT_TXBUFE 0x00000008
-+
-+/* PDC register definitions */
-+#define PDC_RPR 0x100
-+#define PDC_RCR 0x104
-+#define PDC_TPR 0x108
-+#define PDC_TCR 0x10c
-+#define PDC_RNPR 0x110
-+#define PDC_RNCR 0x114
-+#define PDC_TNPR 0x118
-+#define PDC_TNCR 0x11c
-+#define PDC_PTCR 0x120
-+#define PDC_PTSR 0x124
-+
-+/* PDC fields definitions */
-+#define PDC_PTCR_RXTEN 0x0001
-+#define PDC_PTCR_RXTDIS 0x0002
-+#define PDC_PTCR_TXTEN 0x0100
-+#define PDC_PTCR_TXTDIS 0x0200
-+
-+static int bitrate;
-+static int gclk_div;
-+static int ssc_div;
-+static int spi = 0;
-+static int ssc = 1;
-+
-+module_param(spi, int, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
-+MODULE_PARM_DESC(spi, "Which SPI interface to use to communicate with the at73c213");
-+module_param(ssc, int, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
-+MODULE_PARM_DESC(ssc, "Which SSC interface to use to communicate with the at73c213");
-+
-+/* Initial AT73C213 register values */
-+static unsigned char snd_at73c213_original_image[18] =
-+{
-+ 0x00, /* 00 - CTRL */
-+ 0x05, /* 01 - LLIG */
-+ 0x05, /* 02 - RLIG */
-+ 0x08, /* 03 - LPMG */
-+ 0x08, /* 04 - RPMG */
-+ 0x00, /* 05 - LLOG */
-+ 0x00, /* 06 - RLOG */
-+ 0x22, /* 07 - OLC */
-+ 0x09, /* 08 - MC */
-+ 0x00, /* 09 - CSFC */
-+ 0x00, /* 0A - MISC */
-+ 0x00, /* 0B - */
-+ 0x00, /* 0C - PRECH */
-+ 0x05, /* 0D - AUXG */
-+ 0x00, /* 0E - */
-+ 0x00, /* 0F - */
-+ 0x00, /* 10 - RST */
-+ 0x00, /* 11 - PA_CTRL */
-+};
-+
-+/* chip-specific data */
-+struct snd_at73c213 {
-+ snd_card_t *card;
-+ snd_pcm_t *pcm;
-+ snd_pcm_substream_t *substream;
-+ int irq;
-+ int period;
-+ void __iomem *regs;
-+ struct clk *ssc_clk;
-+ struct spi_device *spi;
-+ u8 spi_wbuffer[2];
-+ u8 spi_rbuffer[2];
-+ /* image of the SPI registers in AT73C213 */
-+ u8 image[18];
-+ spinlock_t lock;
-+ struct platform_device *pdev;
-+};
-+
-+#define get_chip(card) ((struct snd_at73c213 *)card->private_data)
-+
-+static int
-+snd_at73c213_write_reg(struct snd_at73c213 *chip, u8 reg, u8 val)
-+{
-+ struct spi_message msg;
-+ struct spi_transfer msg_xfer = {
-+ .len = 2,
-+ .cs_change = 0,
-+ };
-+
-+ spi_message_init(&msg);
-+
-+ chip->spi_wbuffer[0] = reg;
-+ chip->spi_wbuffer[1] = val;
-+
-+ msg_xfer.tx_buf = chip->spi_wbuffer;
-+ msg_xfer.rx_buf = chip->spi_rbuffer;
-+ spi_message_add_tail(&msg_xfer, &msg);
-+
-+ return spi_sync(chip->spi, &msg);
-+}
-+
-+#define write_reg(_spi, reg, val) \
-+ do { \
-+ retval = snd_at73c213_write_reg(_spi, reg, val); \
-+ if (retval) \
-+ goto out; \
-+ } while (0)
-+
-+static snd_pcm_hardware_t snd_at73c213_playback_hw = {
-+ .info = SNDRV_PCM_INFO_INTERLEAVED |
-+ SNDRV_PCM_INFO_BLOCK_TRANSFER,
-+ .formats = SNDRV_PCM_FMTBIT_S16_BE,
-+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
-+ .rate_min = 8000, /* This will be overwritten with bitrate */
-+ .rate_max = 50000, /* This will be overwritten with bitrate */
-+ .channels_min = 2,
-+ .channels_max = 2,
-+ .buffer_bytes_max = 64 * 1024 - 1,
-+ .period_bytes_min = 512,
-+ .period_bytes_max = 64 * 1024 - 1,
-+ .periods_min = 4,
-+ .periods_max = 1024,
-+};
-+
-+/* calculate and set bitrate and divisions */
-+static int snd_at73c213_set_bitrate_and_div(void)
-+{
-+ extern struct avr32_cpuinfo boot_cpu_data;
-+ unsigned long pll0_hz, apba_hz;
-+ unsigned long apba_realdiv, gclk_realdiv, ssc_realdiv, wanted_bitrate;
-+ char cpusel, ahbsel, apbasel;
-+ int regval;
-+
-+ regval = __raw_readl((void __iomem *)PM_BASE + PM_CKSEL);
-+ wanted_bitrate = 48000;
-+
-+ cpusel = regval & 0x07;
-+ ahbsel = (regval>>8) & 0x07;
-+ apbasel = (regval>>16) & 0x07;
-+
-+ /* FIXME: Use the clk framework for this */
-+ if ((regval&(1<<7)) != 0) {
-+ pll0_hz = clk_get_rate(boot_cpu_data.clk)/(1<<(cpusel+1));
-+ } else {
-+ pll0_hz = clk_get_rate(boot_cpu_data.clk);
-+ }
-+
-+ if ((regval&(1<<23)) != 0) {
-+ apba_hz = pll0_hz/(1<<(apbasel+1));
-+ apba_realdiv = (1<<(apbasel+1));
-+ } else {
-+ apba_hz = pll0_hz;
-+ apba_realdiv = 1;
-+ }
-+
-+calculate:
-+ /* Adjust bitrate as close as possible to 48000 Hz */
-+ gclk_realdiv = pll0_hz/(wanted_bitrate*256);
-+ ssc_realdiv = 2 * apba_realdiv * gclk_realdiv;
-+
-+ if ((gclk_realdiv % 2) == 0)
-+ goto setbitrates;
-+
-+ if(wanted_bitrate >= 22050 && wanted_bitrate <= 48000)
-+ wanted_bitrate -= 50;
-+ else if (wanted_bitrate < 22050)
-+ wanted_bitrate = 48050;
-+ else if (wanted_bitrate <= 50000)
-+ wanted_bitrate += 50;
-+ else {
-+ printk(KERN_ERR "at73c213 could not set dividers for a valid bitrate\n");
-+ return -EINVAL;
-+ }
-+
-+ goto calculate;
-+
-+setbitrates:
-+ bitrate = pll0_hz/(gclk_realdiv*256);
-+ gclk_div = (gclk_realdiv/2)-1;
-+ ssc_realdiv = 2*apba_realdiv*gclk_realdiv;
-+ ssc_div = ssc_realdiv/(2*apba_realdiv);
-+
-+ printk(KERN_INFO "at73c213: bitrate is %d Hz\n", bitrate);
-+
-+ return 0;
-+}
-+
-+/* open callback */
-+static int snd_at73c213_pcm_open(snd_pcm_substream_t *substream)
-+{
-+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
-+ snd_pcm_runtime_t *runtime = substream->runtime;
-+
-+ snd_at73c213_playback_hw.rate_min = bitrate;
-+ snd_at73c213_playback_hw.rate_max = bitrate;
-+ runtime->hw = snd_at73c213_playback_hw;
-+ chip->substream = substream;
-+
-+ return 0;
-+}
-+
-+/* close callback */
-+static int snd_at73c213_pcm_close(snd_pcm_substream_t *substream)
-+{
-+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
-+ chip->substream = NULL;
-+ return 0;
-+}
-+
-+/* hw_params callback */
-+static int snd_at73c213_pcm_hw_params(snd_pcm_substream_t *substream,
-+ snd_pcm_hw_params_t *hw_params)
-+{
-+#ifdef SND_AT73C213_USE_ALSA_MALLOC_CALLS
-+ return snd_pcm_lib_malloc_pages(substream,
-+ params_buffer_bytes(hw_params));
-+#else
-+ int pg;
-+ size_t size = params_buffer_bytes(hw_params);
-+ struct snd_pcm_runtime *runtime;
-+ struct snd_dma_buffer *dmab = NULL;
-+
-+ substream->dma_buffer.dev.type = SNDRV_DMA_TYPE_DEV;
-+ snd_assert(substream != NULL, return -EINVAL);
-+ runtime = substream->runtime;
-+ snd_assert(runtime != NULL, return -EINVAL);
-+
-+ /* check if buffer is already allocated */
-+ if (runtime->dma_buffer_p) {
-+ size_t size_previouse;
-+ int pg_previouse;
-+
-+ /* new buffer is smaler than previouse allocated buffer */
-+ if (runtime->dma_buffer_p->bytes >= size) {
-+ runtime->dma_bytes = size;
-+ return 0; /* don't change buffer size */
-+ }
-+
-+ size_previouse = runtime->dma_buffer_p->bytes;
-+ pg_previouse = get_order(size_previouse);
-+
-+ dma_free_coherent(runtime->dma_buffer_p->dev.dev,
-+ PAGE_SIZE << pg_previouse,
-+ runtime->dma_buffer_p->area,
-+ runtime->dma_buffer_p->addr);
-+
-+ kfree(runtime->dma_buffer_p);
-+ }
-+
-+ dmab = kzalloc(sizeof(*dmab), GFP_KERNEL);
-+ if (!dmab)
-+ return -ENOMEM;
-+
-+ dmab->dev = substream->dma_buffer.dev;
-+ dmab->bytes = 0;
-+
-+ pg = get_order(size);
-+
-+ dmab->area = dma_alloc_coherent(
-+ substream->dma_buffer.dev.dev,
-+ PAGE_SIZE << pg,
-+ (dma_addr_t *)&dmab->addr,
-+ GFP_KERNEL);
-+
-+ if (!dmab->area) {
-+ kfree(dmab);
-+ return -ENOMEM;
-+ }
-+
-+ dmab->bytes = size;
-+ snd_pcm_set_runtime_buffer(substream, dmab);
-+ runtime->dma_bytes = size;
-+ return 1;
-+#endif
-+}
-+
-+/* hw_free callback */
-+static int snd_at73c213_pcm_hw_free(snd_pcm_substream_t *substream)
-+{
-+#ifdef SND_AT73C213_USE_ALSA_MALLOC_CALLS
-+ return snd_pcm_lib_free_pages(substream);
-+#else
-+ int pg;
-+ struct snd_pcm_runtime *runtime;
-+ struct snd_dma_buffer *dmab = NULL;
-+
-+ snd_assert(substream != NULL, return -EINVAL);
-+ runtime = substream->runtime;
-+ snd_assert(runtime != NULL, return -EINVAL);
-+ dmab = runtime->dma_buffer_p;
-+
-+ if (!dmab)
-+ return 0;
-+
-+ if (!dmab->area)
-+ return 0;
-+
-+ pg = get_order(dmab->bytes);
-+ dma_free_coherent(dmab->dev.dev, PAGE_SIZE << pg, dmab->area, dmab->addr);
-+ kfree(runtime->dma_buffer_p);
-+ snd_pcm_set_runtime_buffer(substream, NULL);
-+ return 0;
-+#endif
-+}
-+
-+/* prepare callback */
-+static int snd_at73c213_pcm_prepare(snd_pcm_substream_t *substream)
-+{
-+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
-+ struct platform_device *pdev = chip->pdev;
-+ snd_pcm_runtime_t *runtime = substream->runtime;
-+ int block_size;
-+
-+ block_size = frames_to_bytes(runtime, runtime->period_size);
-+
-+ chip->period = 0;
-+
-+ /* Make sure that our data are actually readable by the SSC */
-+ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr,
-+ block_size, DMA_TO_DEVICE);
-+ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr + block_size,
-+ block_size, DMA_TO_DEVICE);
-+
-+ __raw_writel(runtime->dma_addr, chip->regs + PDC_TPR);
-+ __raw_writel(runtime->period_size * 2, chip->regs + PDC_TCR);
-+ __raw_writel(runtime->dma_addr + block_size, chip->regs + PDC_TNPR);
-+ __raw_writel(runtime->period_size * 2, chip->regs + PDC_TNCR);
-+
-+ return 0;
-+}
-+
-+/* trigger callback */
-+static int snd_at73c213_pcm_trigger(snd_pcm_substream_t *substream,
-+ int cmd)
-+{
-+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
-+ int retval = 0;
-+ int flags = 0;
-+
-+ spin_lock_irqsave(&chip->lock, flags);
-+
-+ switch (cmd) {
-+ case SNDRV_PCM_TRIGGER_START:
-+ __raw_writel(SSC_INT_ENDTX, chip->regs + SSC_IER);
-+ __raw_writel(PDC_PTCR_TXTEN, chip->regs + PDC_PTCR);
-+ break;
-+ case SNDRV_PCM_TRIGGER_STOP:
-+ __raw_writel(PDC_PTCR_TXTDIS, chip->regs + PDC_PTCR);
-+ __raw_writel(SSC_INT_ENDTX, chip->regs + SSC_IDR);
-+ break;
-+ default:
-+ printk(KERN_WARNING "at73c213: spuriouse command %x\n", cmd);
-+ retval = -EINVAL;
-+ break;
-+ }
-+
-+ spin_unlock_irqrestore(&chip->lock, flags);
-+
-+ return retval;
-+}
-+
-+/* pointer callback */
-+static snd_pcm_uframes_t snd_at73c213_pcm_pointer(snd_pcm_substream_t *substream)
-+{
-+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
-+ snd_pcm_runtime_t *runtime = substream->runtime;
-+ snd_pcm_uframes_t pos;
-+ unsigned long bytes;
-+
-+ bytes = __raw_readl(chip->regs + PDC_TPR) - runtime->dma_addr;
-+
-+ pos = bytes_to_frames(runtime, bytes);
-+ if (pos >= runtime->buffer_size)
-+ pos -= runtime->buffer_size;
-+
-+ return pos;
-+}
-+
-+/* operators */
-+static snd_pcm_ops_t at73c213_playback_ops = {
-+ .open = snd_at73c213_pcm_open,
-+ .close = snd_at73c213_pcm_close,
-+ .ioctl = snd_pcm_lib_ioctl,
-+ .hw_params = snd_at73c213_pcm_hw_params,
-+ .hw_free = snd_at73c213_pcm_hw_free,
-+ .prepare = snd_at73c213_pcm_prepare,
-+ .trigger = snd_at73c213_pcm_trigger,
-+ .pointer = snd_at73c213_pcm_pointer,
-+};
-+
-+/* free a pcm device */
-+static void snd_at73c213_pcm_free(snd_pcm_t *pcm)
-+{
-+ struct snd_at73c213 *chip = snd_pcm_chip(pcm);
-+ if (chip->pcm != 0 ) {
-+#ifdef SND_AT73C213_USE_ALSA_MALLOC_CALLS
-+ snd_pcm_lib_preallocate_free_for_all(chip->pcm);
-+#endif
-+ chip->pcm = NULL;
-+ }
-+}
-+
-+/* create a new pcm device */
-+static int __devinit snd_at73c213_new_pcm(struct snd_at73c213 *chip, int device)
-+{
-+ snd_pcm_t *pcm;
-+ int retval;
-+
-+ retval = snd_pcm_new(chip->card, chip->card->shortname, device, 1, 0, &pcm);
-+ if (retval < 0)
-+ return retval;
-+
-+ pcm->private_data = chip;
-+ pcm->private_free = snd_at73c213_pcm_free;
-+ pcm->info_flags = SNDRV_PCM_INFO_BLOCK_TRANSFER;
-+ strcpy(pcm->name, "at73c213");
-+ chip->pcm = pcm;
-+
-+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &at73c213_playback_ops);
-+
-+#ifdef SND_AT73C213_USE_ALSA_MALLOC_CALLS
-+ snd_pcm_lib_preallocate_pages_for_all(chip->pcm, SNDRV_DMA_TYPE_DEV,
-+ &chip->pdev->dev, 64 * 1024, 64 * 1024);
-+#endif
-+
-+ return 0;
-+}
-+
-+static irqreturn_t snd_at73c213_interrupt(int irq, void *dev_id,
-+ struct pt_regs *regs)
-+{
-+ struct snd_at73c213 *chip = dev_id;
-+ struct platform_device *pdev = chip->pdev;
-+ snd_pcm_runtime_t *runtime = chip->substream->runtime;
-+ u32 status;
-+ int offset, next_period, block_size;
-+
-+ spin_lock(&chip->lock);
-+
-+ block_size = frames_to_bytes(runtime, runtime->period_size);
-+
-+ status = __raw_readl(chip->regs + SSC_IMR);
-+
-+ if (status & SSC_INT_ENDTX) {
-+ chip->period++;
-+ if (chip->period == runtime->periods)
-+ chip->period = 0;
-+ next_period = chip->period + 1;
-+ if (next_period == runtime->periods)
-+ next_period = 0;
-+
-+ offset = block_size * next_period;
-+
-+ /* Make sure that our data are actually readable by the SSC */
-+ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr + offset,
-+ block_size, DMA_TO_DEVICE);
-+ __raw_writel(runtime->dma_addr + offset, chip->regs + PDC_TNPR);
-+ __raw_writel(runtime->period_size * 2, chip->regs + PDC_TNCR);
-+
-+ if (next_period == 0) {
-+ (void)__raw_readl(chip->regs + PDC_TPR);
-+ (void)__raw_readl(chip->regs + PDC_TCR);
-+ }
-+ } else {
-+ printk(KERN_WARNING
-+ "Spurious SSC interrupt, status = 0x%08lx\n",
-+ (unsigned long)status);
-+ __raw_writel(status, chip->regs + SSC_IDR);
-+ }
-+
-+ (void)__raw_readl(chip->regs + SSC_IMR);
-+ spin_unlock(&chip->lock);
-+
-+ if (status & SSC_INT_ENDTX)
-+ snd_pcm_period_elapsed(chip->substream);
-+
-+ return IRQ_HANDLED;
-+}
-+
-+/*
-+ * Mixer functions
-+ */
-+#if 0 /* Function not in use */
-+static int snd_at73c213_mono_info(struct snd_kcontrol *kcontrol,
-+ struct snd_ctl_elem_info *uinfo)
-+{
-+ unsigned long mask = (kcontrol->private_value >> 16) & 0xff;
-+
-+ uinfo->type = (mask == 1) ?
-+ SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
-+ uinfo->count = 1;
-+ uinfo->value.integer.min = 0;
-+ uinfo->value.integer.max = mask;
-+
-+ return 0;
-+}
-+#endif
-+
-+static int snd_at73c213_mono_get(struct snd_kcontrol *kcontrol,
-+ struct snd_ctl_elem_value *ucontrol)
-+{
-+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
-+ unsigned long flags;
-+ int reg = kcontrol->private_value & 0xff;
-+ int shift = (kcontrol->private_value >> 8) & 0xff;
-+ int mask = (kcontrol->private_value >> 16) & 0xff;
-+ int invert = (kcontrol->private_value >> 24) & 0xff;
-+
-+ spin_lock_irqsave(&chip->lock, flags);
-+
-+ ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask;
-+
-+ if (invert)
-+ ucontrol->value.integer.value[0] =
-+ (mask - ucontrol->value.integer.value[0]);
-+
-+ spin_unlock_irqrestore(&chip->lock, flags);
-+
-+ return 0;
-+}
-+
-+static int snd_at73c213_mono_put(struct snd_kcontrol *kcontrol,
-+ struct snd_ctl_elem_value *ucontrol)
-+{
-+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
-+ unsigned long flags;
-+ int reg = kcontrol->private_value & 0xff;
-+ int shift = (kcontrol->private_value >> 8) & 0xff;
-+ int mask = (kcontrol->private_value >> 16) & 0xff;
-+ int invert = (kcontrol->private_value >> 24) & 0xff;
-+ int change, retval;
-+ unsigned short val;
-+
-+ val = (ucontrol->value.integer.value[0] & mask);
-+ if (invert)
-+ val = mask - val;
-+ val <<= shift;
-+
-+ spin_lock_irqsave(&chip->lock, flags);
-+
-+ val = (chip->image[reg] & ~(mask << shift)) | val;
-+ change = val != chip->image[reg];
-+ write_reg(chip, reg, val);
-+
-+ chip->image[reg] = val;
-+
-+ spin_unlock_irqrestore(&chip->lock, flags);
-+
-+ return change;
-+
-+out:
-+ return retval;
-+}
-+
-+static int snd_at73c213_stereo_info(struct snd_kcontrol *kcontrol,
-+ struct snd_ctl_elem_info *uinfo)
-+{
-+ int mask = (kcontrol->private_value >> 24) & 0xFF;
-+
-+ uinfo->type = mask == 1 ?
-+ SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
-+ uinfo->count = 2;
-+ uinfo->value.integer.min = 0;
-+ uinfo->value.integer.max = mask;
-+
-+ return 0;
-+}
-+
-+static int snd_at73c213_stereo_get(struct snd_kcontrol *kcontrol,
-+ struct snd_ctl_elem_value *ucontrol)
-+{
-+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
-+ unsigned long flags;
-+ int left_reg = kcontrol->private_value & 0xff;
-+ int right_reg = (kcontrol->private_value >> 8) & 0xff;
-+ int shift_left = (kcontrol->private_value >> 16) & 0x07;
-+ int shift_right = (kcontrol->private_value >> 19) & 0x07;
-+ int mask = (kcontrol->private_value >> 24) & 0xff;
-+ int invert = (kcontrol->private_value >> 22) & 1;
-+
-+ spin_lock_irqsave(&chip->lock, flags);
-+
-+ ucontrol->value.integer.value[0] =
-+ (chip->image[left_reg] >> shift_left) & mask;
-+ ucontrol->value.integer.value[1] =
-+ (chip->image[right_reg] >> shift_right) & mask;
-+
-+ if (invert) {
-+ ucontrol->value.integer.value[0] =
-+ (mask - ucontrol->value.integer.value[0]);
-+ ucontrol->value.integer.value[1] =
-+ (mask - ucontrol->value.integer.value[1]);
-+ }
-+
-+ spin_unlock_irqrestore(&chip->lock, flags);
-+
-+ return 0;
-+}
-+
-+static int snd_at73c213_stereo_put(struct snd_kcontrol *kcontrol,
-+ struct snd_ctl_elem_value *ucontrol)
-+{
-+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
-+ unsigned long flags;
-+ int left_reg = kcontrol->private_value & 0xff;
-+ int right_reg = (kcontrol->private_value >> 8) & 0xff;
-+ int shift_left = (kcontrol->private_value >> 16) & 0x07;
-+ int shift_right = (kcontrol->private_value >> 19) & 0x07;
-+ int mask = (kcontrol->private_value >> 24) & 0xff;
-+ int invert = (kcontrol->private_value >> 22) & 1;
-+ int change, retval;
-+ unsigned short val1, val2;
-+
-+ val1 = ucontrol->value.integer.value[0] & mask;
-+ val2 = ucontrol->value.integer.value[1] & mask;
-+ if (invert) {
-+ val1 = mask - val1;
-+ val2 = mask - val2;
-+ }
-+ val1 <<= shift_left;
-+ val2 <<= shift_right;
-+
-+ spin_lock_irqsave(&chip->lock, flags);
-+
-+ val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
-+ val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2;
-+ change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg];
-+ write_reg(chip, left_reg, val1);
-+ write_reg(chip, right_reg, val2);
-+
-+ chip->image[left_reg] = val1;
-+ chip->image[right_reg] = val2;
-+
-+ spin_unlock_irqrestore(&chip->lock, flags);
-+
-+ return change;
-+
-+out:
-+ return retval;
-+}
-+
-+static int snd_at73c213_mono_switch_info(struct snd_kcontrol *kcontrol,
-+ struct snd_ctl_elem_info *uinfo)
-+{
-+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
-+ uinfo->count = 1;
-+ uinfo->value.integer.min = 0;
-+ uinfo->value.integer.max = 1;
-+
-+ return 0;
-+}
-+
-+static int snd_at73c213_mono_switch_get(struct snd_kcontrol *kcontrol,
-+ struct snd_ctl_elem_value *ucontrol)
-+{
-+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
-+ unsigned long flags;
-+ int reg = kcontrol->private_value & 0xff;
-+ int shift = (kcontrol->private_value >> 8) & 0xff;
-+ int invert = (kcontrol->private_value >> 24) & 0xff;
-+
-+ spin_lock_irqsave(&chip->lock, flags);
-+
-+ ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & 0x01;
-+
-+ if (invert)
-+ ucontrol->value.integer.value[0] =
-+ (0x01 - ucontrol->value.integer.value[0]);
-+
-+ spin_unlock_irqrestore(&chip->lock, flags);
-+
-+ return 0;
-+}
-+
-+static int snd_at73c213_mono_switch_put(struct snd_kcontrol *kcontrol,
-+ struct snd_ctl_elem_value *ucontrol)
-+{
-+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
-+ unsigned long flags;
-+ int reg = kcontrol->private_value & 0xff;
-+ int shift = (kcontrol->private_value >> 8) & 0xff;
-+ int mask = (kcontrol->private_value >> 16) & 0xff;
-+ int invert = (kcontrol->private_value >> 24) & 0xff;
-+ int change, retval;
-+ unsigned short val;
-+
-+ if (ucontrol->value.integer.value[0])
-+ val = mask;
-+ else
-+ val = 0;
-+
-+ if (invert)
-+ val = mask - val;
-+ val <<= shift;
-+
-+ spin_lock_irqsave(&chip->lock, flags);
-+
-+ val |= (chip->image[reg] & ~(mask << shift));
-+ change = val != chip->image[reg];
-+
-+ write_reg(chip, reg, val);
-+
-+ chip->image[reg] = val;
-+
-+ spin_unlock_irqrestore(&chip->lock, flags);
-+
-+ return change;
-+
-+out:
-+ return retval;
-+}
-+
-+static int snd_at73c213_pa_volume_info(struct snd_kcontrol *kcontrol,
-+ struct snd_ctl_elem_info *uinfo)
-+{
-+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
-+ uinfo->count = 1;
-+ uinfo->value.integer.min = 0;
-+ uinfo->value.integer.max = ((kcontrol->private_value >> 16) & 0xFF) - 1;
-+
-+ return 0;
-+}
-+
-+static int snd_at73c213_line_capture_volume_info(
-+ struct snd_kcontrol *kcontrol,
-+ struct snd_ctl_elem_info *uinfo)
-+{
-+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
-+ uinfo->count = 2;
-+ uinfo->value.integer.min = 14;
-+ uinfo->value.integer.max = 31;
-+
-+ return 0;
-+}
-+
-+static int snd_at73c213_aux_capture_volume_info(
-+ struct snd_kcontrol *kcontrol,
-+ struct snd_ctl_elem_info *uinfo)
-+{
-+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
-+ uinfo->count = 1;
-+ uinfo->value.integer.min = 14;
-+ uinfo->value.integer.max = 31;
-+
-+ return 0;
-+}
-+
-+#define AT73C213_MONO(xname, xindex, reg, shift, mask, invert) \
-+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
-+ .info = snd_at73c213_mono_info, \
-+ .get = snd_at73c213_mono_get, .put = snd_at73c213_mono_put, \
-+ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
-+
-+#define AT73C213_MONO_SWITCH(xname, xindex, reg, shift, mask, invert) \
-+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
-+ .info = snd_at73c213_mono_switch_info, \
-+ .get = snd_at73c213_mono_switch_get, .put = snd_at73c213_mono_switch_put, \
-+ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
-+
-+#define AT73C213_STEREO(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
-+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
-+ .info = snd_at73c213_stereo_info, \
-+ .get = snd_at73c213_stereo_get, .put = snd_at73c213_stereo_put, \
-+ .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
-+
-+static struct snd_kcontrol_new snd_at73c213_controls[] __devinitdata = {
-+AT73C213_STEREO("Master Playback Volume", 0, DAC_LMPG, DAC_RMPG, 0, 0, 0x1F, 1),
-+AT73C213_STEREO("Master Playback Switch", 0, DAC_LMPG, DAC_RMPG, 5, 5, 1, 1),
-+AT73C213_STEREO("PCM Playback Volume", 0, DAC_LLOG, DAC_RLOG, 0, 0, 0x1F, 1),
-+AT73C213_STEREO("PCM Playback Switch", 0, DAC_LLOG, DAC_RLOG, 5, 5, 1, 1),
-+AT73C213_MONO_SWITCH("Mono PA Playback Switch", 0, DAC_CTRL, DAC_CTRL_ONPADRV, 0x01, 0),
-+{
-+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-+ .name = "PA Playback Volume",
-+ .index = 0,
-+ .info = snd_at73c213_pa_volume_info,
-+ .get = snd_at73c213_mono_get,
-+ .put = snd_at73c213_mono_put,
-+ .private_value = PA_CTRL|(PA_CTRL_APAGAIN<<8)|(0x0F<<16)|(1<<24),
-+},
-+AT73C213_MONO_SWITCH("PA High Gain Playback Switch", 0, PA_CTRL, PA_CTRL_APALP, 0x01, 1),
-+AT73C213_MONO_SWITCH("PA Playback Switch", 0, PA_CTRL, PA_CTRL_APAON, 0x01, 0),
-+{
-+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-+ .name = "Aux Capture Volume",
-+ .index = 0,
-+ .info = snd_at73c213_aux_capture_volume_info,
-+ .get = snd_at73c213_mono_get,
-+ .put = snd_at73c213_mono_put,
-+ .private_value = DAC_AUXG|(0<<8)|(0x1F<<16)|(1<<24),
-+},
-+AT73C213_MONO_SWITCH("Aux Capture Switch", 0, DAC_CTRL, DAC_CTRL_ONAUXIN, 0x01, 0),
-+{
-+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-+ .name = "Line Capture Volume",
-+ .index = 0,
-+ .info = snd_at73c213_line_capture_volume_info,
-+ .get = snd_at73c213_stereo_get,
-+ .put = snd_at73c213_stereo_put,
-+ .private_value = DAC_LLIG|(DAC_RLIG<<8)|(0<<16)|(0<<19)|(0x1F<<24)|(1<<22),
-+},
-+AT73C213_MONO_SWITCH("Line Capture Switch", 0, DAC_CTRL, 0, 0x03, 0),
-+};
-+
-+static int __devinit snd_at73c213_mixer(struct snd_at73c213 *chip)
-+{
-+ struct snd_card *card;
-+ int errval, idx;
-+
-+ if (chip == NULL || chip->pcm == NULL)
-+ return -EINVAL;
-+
-+ card = chip->card;
-+
-+ strcpy(card->mixername, chip->pcm->name);
-+
-+ for (idx = 0; idx < ARRAY_SIZE(snd_at73c213_controls); idx++) {
-+ if ((errval = snd_ctl_add(card,
-+ snd_ctl_new1(&snd_at73c213_controls[idx],
-+ chip))) < 0)
-+ return errval;
-+ }
-+
-+ return 0;
-+}
-+
-+/*
-+ * Device functions
-+ */
-+static int snd_at73c213_chip_init(struct snd_at73c213 *chip)
-+{
-+ int retval;
-+ unsigned char dac_ctrl = 0;
-+
-+ /* XXX: Unmask the APB clock for SSC0 */
-+ __raw_writel(__raw_readl((void __iomem *)PM_BASE + PM_APBAMASK)|(1<<7),
-+ (void __iomem *)PM_BASE + PM_APBAMASK);
-+
-+ /* Wait for clock to be stable */
-+ msleep(10);
-+
-+ retval = snd_at73c213_set_bitrate_and_div();
-+ if (retval)
-+ goto out;
-+
-+ /* Reset the SSC */
-+ __raw_writel(SSC_CR_SWRST, chip->regs + SSC_CR);
-+
-+ /* Enable GCLK0 */
-+ __raw_writel((1<<30), (void __iomem *)(PIOA_BASE + PIO_PDR));
-+ __raw_writel((1<<30), (void __iomem *)(PIOA_BASE + PIO_ASR));
-+ __raw_writel(((gclk_div<<8)|0x10|0x04|0x02), (void __iomem *)(PM_BASE + PM_GCCTRL));
-+
-+ /* Enable SSC and setup for I2S */
-+ __raw_writel(ssc_div, chip->regs + SSC_CMR);
-+
-+ /* CKO, START, STTDLY, PERIOD */
-+ __raw_writel((1<<2)|(4<<8)|(1<<16)|(15<<24), chip->regs + SSC_TCMR);
-+
-+ /* DATLEN, MSBF, DATNB, FSLEN, FSOS */
-+ __raw_writel((15<<0)|(1<<7)|(1<<8)|(15<<16)|(1<<20), chip->regs + SSC_TFMR);
-+
-+ /* Initialize at73c213 on SPI bus */
-+ /* Reset the device */
-+ write_reg(chip, DAC_RST, 0x04);
-+ msleep(1);
-+ write_reg(chip, DAC_RST, 0x03);
-+
-+ /* Turn on precharge */
-+ write_reg(chip, DAC_PRECH, 0xFF);
-+ write_reg(chip, PA_CTRL, (1<<PA_CTRL_APAPRECH));
-+ write_reg(chip, DAC_CTRL, (1<<DAC_CTRL_ONLNOL)|(1<<DAC_CTRL_ONLNOR));
-+
-+ msleep(50);
-+
-+ /* Stop precharging PA */
-+ write_reg(chip, PA_CTRL, (1<<PA_CTRL_APALP)|0x0F);
-+ chip->image[PA_CTRL] = (1<<PA_CTRL_APALP)|0x0F;
-+
-+ msleep(450);
-+
-+ /* Stop precharging, turn on master power */
-+ write_reg(chip, DAC_PRECH, (1<<DAC_PRECH_ONMSTR));
-+ chip->image[DAC_PRECH] = (1<<DAC_PRECH_ONMSTR);
-+
-+ msleep(1);
-+
-+ /* Turn on DAC */
-+ dac_ctrl = (1<<DAC_CTRL_ONDACL)|(1<<DAC_CTRL_ONDACR)|
-+ (1<<DAC_CTRL_ONLNOL)|(1<<DAC_CTRL_ONLNOR);
-+
-+ write_reg(chip, DAC_CTRL, dac_ctrl);
-+ chip->image[DAC_CTRL] = dac_ctrl;
-+
-+ /* Mute sound */
-+ write_reg(chip, DAC_LMPG, 0x3F);
-+ chip->image[DAC_LMPG] = 0x3F;
-+ write_reg(chip, DAC_RMPG, 0x3F);
-+ chip->image[DAC_RMPG] = 0x3F;
-+ write_reg(chip, DAC_LLOG, 0x3F);
-+ chip->image[DAC_LLOG] = 0x3F;
-+ write_reg(chip, DAC_RLOG, 0x3F);
-+ chip->image[DAC_RLOG] = 0x3F;
-+ write_reg(chip, DAC_LLIG, 0x11);
-+ chip->image[DAC_LLIG] = 0x11;
-+ write_reg(chip, DAC_RLIG, 0x11);
-+ chip->image[DAC_RLIG] = 0x11;
-+ write_reg(chip, DAC_AUXG, 0x11);
-+ chip->image[DAC_AUXG] = 0x11;
-+
-+ /* Turn on SSC transmitter */
-+ __raw_writel(SSC_CR_TXEN, chip->regs + SSC_CR);
-+
-+out:
-+ return retval;
-+}
-+
-+static int snd_at73c213_dev_free(snd_device_t *device)
-+{
-+ struct snd_at73c213 *chip = device->device_data;
-+
-+ if (chip->regs) {
-+ __raw_writel(SSC_CR_TXDIS, chip->regs + SSC_CR);
-+ iounmap(chip->regs);
-+ }
-+
-+ if (chip->irq >= 0)
-+ free_irq(chip->irq, chip);
-+
-+ if (chip->ssc_clk) {
-+ clk_disable(chip->ssc_clk);
-+ clk_put(chip->ssc_clk);
-+ }
-+
-+ return 0;
-+}
-+
-+static int __devinit snd_at73c213_create(snd_card_t *card,
-+ struct platform_device *pdev)
-+{
-+ static snd_device_ops_t ops = {
-+ .dev_free = snd_at73c213_dev_free,
-+ };
-+ struct snd_at73c213 *chip = get_chip(card);
-+ struct resource *regs;
-+ struct clk *ssc_clk;
-+ int irq, retval;
-+
-+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ if (!regs)
-+ return -ENXIO;
-+ irq = platform_get_irq(pdev, 0);
-+ if (irq < 0)
-+ return irq;
-+
-+ ssc_clk = clk_get(&pdev->dev, "mck");
-+ if (IS_ERR(ssc_clk))
-+ return PTR_ERR(ssc_clk);
-+ clk_enable(ssc_clk);
-+ chip->ssc_clk = ssc_clk;
-+
-+ spin_lock_init(&chip->lock);
-+ chip->card = card;
-+ chip->pdev = pdev;
-+ chip->irq = -1;
-+
-+ retval = -ENOMEM;
-+
-+ retval = spi_setup(chip->spi);
-+ if (retval)
-+ goto out;
-+
-+ chip->regs = ioremap(regs->start, regs->end - regs->start + 1);
-+ if (!chip->regs)
-+ goto out;
-+
-+ retval = request_irq(irq, snd_at73c213_interrupt, 0, "at73c213", chip);
-+ if (retval) {
-+ snd_printk("unable to request IRQ%d\n", irq);
-+ goto out;
-+ }
-+ chip->irq = irq;
-+
-+ memcpy(&chip->image, &snd_at73c213_original_image,
-+ sizeof(snd_at73c213_original_image));
-+
-+ retval = snd_at73c213_chip_init(chip);
-+ if (retval)
-+ goto out;
-+
-+ retval = snd_at73c213_new_pcm(chip, 0);
-+ if (retval)
-+ goto out;
-+
-+ retval = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
-+ if (retval)
-+ goto out;
-+
-+ retval = snd_at73c213_mixer(chip);
-+ if (retval)
-+ goto out;
-+
-+ snd_card_set_dev(card, &pdev->dev);
-+
-+out:
-+ return retval;
-+}
-+
-+static int __devinit snd_at73c213_probe(struct platform_device *pdev)
-+{
-+ static int dev;
-+ struct spi_board_info *binfo;
-+ struct spi_master *smaster;
-+ struct snd_at73c213 *chip;
-+ snd_card_t *card;
-+ int retval;
-+
-+ if (dev >= SNDRV_CARDS)
-+ return -ENODEV;
-+ if (!enable[dev]) {
-+ dev++;
-+ return -ENOENT;
-+ }
-+
-+ if (spi < 0 || ssc < 0)
-+ return -ENODEV;
-+
-+ retval = -ENOMEM;
-+ card = snd_card_new(index[dev], id[dev], THIS_MODULE,
-+ sizeof(struct snd_at73c213));
-+ if (!card)
-+ goto out;
-+
-+ chip = card->private_data;
-+
-+ retval = -ENODEV;
-+
-+ /* Get the SPI bus */
-+ binfo = pdev->dev.platform_data;
-+ if (!binfo) {
-+ printk(KERN_WARNING "at73c213: could not get platform data\n");
-+ goto out;
-+ }
-+
-+ smaster = spi_busnum_to_master(spi);
-+ if (!smaster) {
-+ request_module("spi1");
-+ smaster = spi_busnum_to_master(spi);
-+ if (!smaster) {
-+ printk(KERN_WARNING
-+ "at73c213: could not get "
-+ "SPI bus %d, remembered to load "
-+ "the spi_atmel module?\n", spi);
-+ goto out;
-+ }
-+ }
-+
-+ chip->spi = spi_new_device(smaster, binfo);
-+ if (!chip->spi) {
-+ printk(KERN_WARNING "at73c213: could not get SPI device %d\n", spi);
-+ goto out;
-+ }
-+
-+ chip->spi->mode = SPI_MODE_1;
-+ chip->spi->bits_per_word = 8;
-+
-+ retval = snd_at73c213_create(card, pdev);
-+ if (retval)
-+ goto out_free_card;
-+
-+ strcpy(card->driver, "at73c213");
-+ strcpy(card->shortname, "at73c213 (AVR32 STK1000)");
-+ sprintf(card->longname, "%s at %p (irq %i)", card->shortname, chip->regs, chip->irq);
-+
-+ retval = snd_card_register(card);
-+ if (retval)
-+ goto out_free_card;
-+
-+ platform_set_drvdata(pdev, card);
-+ dev++;
-+ return 0;
-+
-+out_free_card:
-+ snd_card_free(card);
-+out:
-+ return retval;
-+}
-+
-+static int __devexit snd_at73c213_remove(struct platform_device *pdev)
-+{
-+ struct snd_card *card = platform_get_drvdata(pdev);
-+ struct snd_at73c213 *chip = card->private_data;
-+ int retval;
-+
-+ /* Stop playback */
-+ __raw_writel(SSC_CR_TXDIS, chip->regs + SSC_CR);
-+
-+ /* Stop GLCK0 */
-+ __raw_writel(0, (void __iomem *)PM_BASE + PM_GCCTRL);
-+
-+ /* Mute sound */
-+ write_reg(chip, DAC_LMPG, 0x3F);
-+ chip->image[DAC_LMPG] = 0x3F;
-+ write_reg(chip, DAC_RMPG, 0x3F);
-+ chip->image[DAC_RMPG] = 0x3F;
-+ write_reg(chip, DAC_LLOG, 0x3F);
-+ chip->image[DAC_LLOG] = 0x3F;
-+ write_reg(chip, DAC_RLOG, 0x3F);
-+ chip->image[DAC_RLOG] = 0x3F;
-+ write_reg(chip, DAC_LLIG, 0x11);
-+ chip->image[DAC_LLIG] = 0x11;
-+ write_reg(chip, DAC_RLIG, 0x11);
-+ chip->image[DAC_RLIG] = 0x11;
-+ write_reg(chip, DAC_AUXG, 0x11);
-+ chip->image[DAC_AUXG] = 0x11;
-+
-+ /* Turn off PA */
-+ write_reg(chip, PA_CTRL, (chip->image[PA_CTRL]|0x0F));
-+ chip->image[PA_CTRL] |= 0x0F;
-+ msleep(10);
-+ write_reg(chip, PA_CTRL, (1<<PA_CTRL_APALP)|0x0F);
-+ chip->image[PA_CTRL] = (1<<PA_CTRL_APALP)|0x0F;
-+
-+ /* Turn off external DAC */
-+ write_reg(chip, DAC_CTRL, 0x0C);
-+ chip->image[DAC_CTRL] = 0x0C;
-+ msleep(2);
-+ write_reg(chip, DAC_CTRL, 0x00);
-+ chip->image[DAC_CTRL] = 0x00;
-+
-+ /* Turn off master power */
-+ write_reg(chip, DAC_PRECH, 0x00);
-+ chip->image[DAC_PRECH] = 0x00;
-+
-+ msleep(10);
-+
-+out:
-+ if (chip->spi)
-+ spi_unregister_device(chip->spi);
-+
-+ if (card) {
-+ snd_card_free(card);
-+ platform_set_drvdata(pdev, NULL);
-+ }
-+
-+ return 0;
-+}
-+
-+#ifdef CONFIG_PM
-+static int snd_at73c213_suspend(struct platform_device *pdev, pm_message_t state, u32 level)
-+{
-+ struct snd_card *card = at32_get_drvdata(pdev);
-+ struct snd_at73c213 *chip = card->private_data;
-+
-+ printk(KERN_DEBUG "at73c213: suspending\n");
-+
-+ /* Stop SSC and GCLK0 */
-+
-+ spi_suspend(chip->spi, state);
-+
-+ return 0;
-+}
-+
-+static int snd_at73c213_resume(struct platform_device *pdev, u32 level)
-+{
-+ struct snd_card *card = at32_get_drvdata(pdev);
-+ struct snd_at73c213 *chip = card->private_data;
-+
-+ printk(KERN_DEBUG "at73c213: resuming\n");
-+
-+ /* Start GLCK0 and SSC */
-+
-+ spi_resume(chip->spi);
-+
-+ return 0;
-+}
-+#endif /* CONFIG_PM */
-+
-+/* Driver core initialization */
-+static struct platform_driver at73c213_driver = {
-+ .probe = snd_at73c213_probe,
-+ .remove = __devexit_p(snd_at73c213_remove),
-+ .driver = {
-+ .name = "at73c213",
-+ }
-+#ifdef CONFIG_PM
-+ .resume = snd_at73c213_resume,
-+ .suspend = snd_at73c213_suspend,
-+#endif
-+};
-+
-+static int __init at73c213_init(void)
-+{
-+ return platform_driver_register(&at73c213_driver);
-+}
-+
-+static void __exit at73c213_exit(void)
-+{
-+ platform_driver_unregister(&at73c213_driver);
-+}
-+
-+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
-+MODULE_DESCRIPTION("Sound driver for at73c213 on STK1000");
-+MODULE_LICENSE("GPL");
-+
-+module_init(at73c213_init);
-+module_exit(at73c213_exit);
-+
-Index: linux-2.6.18-avr32/sound/avr32/at73c213.h
-===================================================================
---- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.18-avr32/sound/avr32/at73c213.h 2006-11-02 15:56:20.000000000 +0100
-@@ -0,0 +1,120 @@
-+/*
-+ * Driver for the AT73C213 16-bit stereo DAC on Atmel ATSTK1000
-+ *
-+ * Copyright (C) 2006 Atmel Norway
-+ *
-+ * 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.
-+ *
-+ * The full GNU General Public License is included in this
-+ * distribution in the file called COPYING.
-+ */
-+
-+#ifndef _SND_AT73C213_MIXER_H_
-+#define _SND_AT73C213_MIXER_H_
-+
-+/* DAC control register */
-+#define DAC_CTRL 0x00
-+#define DAC_CTRL_ONPADRV 7
-+#define DAC_CTRL_ONAUXIN 6
-+#define DAC_CTRL_ONDACR 5
-+#define DAC_CTRL_ONDACL 4
-+#define DAC_CTRL_ONLNOR 3
-+#define DAC_CTRL_ONLNOL 2
-+#define DAC_CTRL_ONLNIR 1
-+#define DAC_CTRL_ONLNIL 0
-+
-+/* DAC left line in gain register */
-+#define DAC_LLIG 0x01
-+#define DAC_LLIG_LLIG 0
-+
-+/* DAC right line in gain register */
-+#define DAC_RLIG 0x02
-+#define DAC_RLIG_RLIG 0
-+
-+/* DAC Left Master Playback Gain Register */
-+#define DAC_LMPG 0x03
-+#define DAC_LMPG_LMPG 0
-+
-+/* DAC Right Master Playback Gain Register */
-+#define DAC_RMPG 0x04
-+#define DAC_RMPG_RMPG 0
-+
-+/* DAC Left Line Out Gain Register */
-+#define DAC_LLOG 0x05
-+#define DAC_LLOG_LLOG 0
-+
-+/* DAC Right Line Out Gain Register */
-+#define DAC_RLOG 0x06
-+#define DAC_RLOG_RLOG 0
-+
-+/* DAC Output Level Control Register */
-+#define DAC_OLC 0x07
-+#define DAC_OLC_RSHORT 7
-+#define DAC_OLC_ROLC 4
-+#define DAC_OLC_LSHORT 3
-+#define DAC_OLC_LOLC 0
-+
-+/* DAC Mixer Control Register */
-+#define DAC_MC 0x08
-+#define DAC_MC_INVR 5
-+#define DAC_MC_INVL 4
-+#define DAC_MC_RMSMIN2 3
-+#define DAC_MC_RMSMIN1 2
-+#define DAC_MC_LMSMIN2 1
-+#define DAC_MC_LMSMIN1 0
-+
-+/* DAC Clock and Sampling Frequency Control Register */
-+#define DAC_CSFC 0x09
-+#define DAC_CSFC_OVRSEL 4
-+
-+/* DAC Miscellaneous Register */
-+#define DAC_MISC 0x0A
-+#define DAC_MISC_VCMCAPSEL 7
-+#define DAC_MISC_DINTSEL 4
-+#define DAC_MISC_DITHEN 3
-+#define DAC_MISC_DEEMPEN 2
-+#define DAC_MISC_NBITS 0
-+
-+/* DAC Precharge Control Register */
-+#define DAC_PRECH 0x0C
-+#define DAC_PRECH_PRCHGPDRV 7
-+#define DAC_PRECH_PRCHGAUX1 6
-+#define DAC_PRECH_PRCHGLNOR 5
-+#define DAC_PRECH_PRCHGLNOL 4
-+#define DAC_PRECH_PRCHGLNIR 3
-+#define DAC_PRECH_PRCHGLNIL 2
-+#define DAC_PRECH_PRCHG 1
-+#define DAC_PRECH_ONMSTR 0
-+
-+/* DAC Auxiliary Input Gain Control Register */
-+#define DAC_AUXG 0x0D
-+#define DAC_AUXG_AUXG 0
-+
-+/* DAC Reset Register */
-+#define DAC_RST 0x10
-+#define DAC_RST_RESMASK 2
-+#define DAC_RST_RESFILZ 1
-+#define DAC_RST_RSTZ 0
-+
-+/* Power Amplifier Control Register */
-+#define PA_CTRL 0x11
-+#define PA_CTRL_APAON 6
-+#define PA_CTRL_APAPRECH 5
-+#define PA_CTRL_APALP 4
-+#define PA_CTRL_APAGAIN 0
-+
-+#endif
-+