summaryrefslogtreecommitdiffstats
path: root/sound/soc/at91/eti_b1_wm8731.c
diff options
context:
space:
mode:
authorFrank Mandarino <fmandarino@endrelia.com>2006-11-24 15:49:39 +0100
committerJaroslav Kysela <perex@suse.cz>2007-02-09 09:01:56 +0100
commit9f0ac6e1a8677ac509821f4ff0c77d39b1d63125 (patch)
treef3e48e71bc77dbe85c5d582b06bb780842226771 /sound/soc/at91/eti_b1_wm8731.c
parenta9e996604f77be6f1f4deb0eb1cc2652000054f1 (diff)
[ALSA] Update AT91 ASoC driver for 2.6.19 kernel.
Changes were required to support latest AT91 header files. Also updated to remove AT91RM9200-specific code in the ASoC platform drivers to support the AT91SAM9260 and AT91SAM9261 chips, but no testing was performed on these chips. Signed-off-by: Frank Mandarino <fmandarino@endrelia.com> Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/soc/at91/eti_b1_wm8731.c')
-rw-r--r--sound/soc/at91/eti_b1_wm8731.c64
1 files changed, 51 insertions, 13 deletions
diff --git a/sound/soc/at91/eti_b1_wm8731.c b/sound/soc/at91/eti_b1_wm8731.c
index d955cacf2d0..089cdc9e726 100644
--- a/sound/soc/at91/eti_b1_wm8731.c
+++ b/sound/soc/at91/eti_b1_wm8731.c
@@ -1,5 +1,5 @@
/*
- * eti_b1_wm8731 -- SoC audio for Endrelia ETI_B1.
+ * eti_b1_wm8731 -- SoC audio for AT91RM9200-based Endrelia ETI_B1 board.
*
* Author: Frank Mandarino <fmandarino@endrelia.com>
* Endrelia Technologies Inc.
@@ -37,12 +37,12 @@
#include <sound/soc.h>
#include <sound/soc-dapm.h>
-#include <asm/arch/at91rm9200.h>
-#include <asm/arch/gpio.h>
#include <asm/arch/hardware.h>
+#include <asm/arch/at91_pio.h>
+#include <asm/arch/gpio.h>
#include "../codecs/wm8731.h"
-#include "at91rm9200-pcm.h"
+#include "at91-pcm.h"
#if 0
#define DBG(x...) printk(KERN_INFO "eti_b1_wm8731:" x)
@@ -50,10 +50,18 @@
#define DBG(x...)
#endif
+#define AT91_PIO_TF1 (1 << (AT91_PIN_PB6 - PIN_BASE) % 32)
+#define AT91_PIO_TK1 (1 << (AT91_PIN_PB7 - PIN_BASE) % 32)
+#define AT91_PIO_TD1 (1 << (AT91_PIN_PB8 - PIN_BASE) % 32)
+#define AT91_PIO_RD1 (1 << (AT91_PIN_PB9 - PIN_BASE) % 32)
+#define AT91_PIO_RK1 (1 << (AT91_PIN_PB10 - PIN_BASE) % 32)
+#define AT91_PIO_RF1 (1 << (AT91_PIN_PB11 - PIN_BASE) % 32)
+
+
static struct clk *pck1_clk;
static struct clk *pllb_clk;
-static int eti_b1_startup(snd_pcm_substream_t *substream)
+static int eti_b1_startup(struct snd_pcm_substream *substream)
{
/* Start PCK1 clock. */
clk_enable(pck1_clk);
@@ -62,7 +70,7 @@ static int eti_b1_startup(snd_pcm_substream_t *substream)
return 0;
}
-static void eti_b1_shutdown(snd_pcm_substream_t *substream)
+static void eti_b1_shutdown(struct snd_pcm_substream *substream)
{
/* Stop PCK1 clock. */
clk_disable(pck1_clk);
@@ -138,7 +146,7 @@ unsigned int eti_b1_config_sysclk(struct snd_soc_pcm_runtime *rtd,
static struct snd_soc_dai_link eti_b1_dai = {
.name = "WM8731",
.stream_name = "WM8731",
- .cpu_dai = &at91rm9200_i2s_dai[1],
+ .cpu_dai = &at91_i2s_dai[1],
.codec_dai = &wm8731_dai,
.init = eti_b1_wm8731_init,
.config_sysclk = eti_b1_config_sysclk,
@@ -157,7 +165,7 @@ static struct wm8731_setup_data eti_b1_wm8731_setup = {
static struct snd_soc_device eti_b1_snd_devdata = {
.machine = &snd_soc_machine_eti_b1,
- .platform = &at91rm9200_soc_platform,
+ .platform = &at91_soc_platform,
.codec_dev = &soc_codec_dev_wm8731,
.codec_data = &eti_b1_wm8731_setup,
};
@@ -168,22 +176,41 @@ static int __init eti_b1_init(void)
{
int ret;
u32 ssc_pio_lines;
+ struct at91_ssc_periph *ssc = eti_b1_dai.cpu_dai->private_data;
+
+ if (!request_mem_region(AT91RM9200_BASE_SSC1, SZ_16K, "soc-audio")) {
+ DBG("SSC1 memory region is busy\n");
+ return -EBUSY;
+ }
+
+ ssc->base = ioremap(AT91RM9200_BASE_SSC1, SZ_16K);
+ if (!ssc->base) {
+ DBG("SSC1 memory ioremap failed\n");
+ ret = -ENOMEM;
+ goto fail_release_mem;
+ }
+
+ ssc->pid = AT91RM9200_ID_SSC1;
eti_b1_snd_device = platform_device_alloc("soc-audio", -1);
- if (!eti_b1_snd_device)
- return -ENOMEM;
+ if (!eti_b1_snd_device) {
+ DBG("platform device allocation failed\n");
+ ret = -ENOMEM;
+ goto fail_io_unmap;
+ }
platform_set_drvdata(eti_b1_snd_device, &eti_b1_snd_devdata);
eti_b1_snd_devdata.dev = &eti_b1_snd_device->dev;
ret = platform_device_add(eti_b1_snd_device);
if (ret) {
+ DBG("platform device add failed\n");
platform_device_put(eti_b1_snd_device);
- return ret;
+ goto fail_io_unmap;
}
- ssc_pio_lines = AT91_PB6_TF1 | AT91_PB7_TK1 | AT91_PB8_TD1
- | AT91_PB9_RD1 /* | AT91_PB10_RK1 | AT91_PB11_RF1 */;
+ ssc_pio_lines = AT91_PIO_TF1 | AT91_PIO_TK1 | AT91_PIO_TD1
+ | AT91_PIO_RD1 /* | AT91_PIO_RK1 | AT91_PIO_RF1 */;
/* Reset all PIO registers and assign lines to peripheral A */
at91_sys_write(AT91_PIOB + PIO_PDR, ssc_pio_lines);
@@ -211,14 +238,25 @@ static int __init eti_b1_init(void)
at91_set_B_periph(AT91_PIN_PA24, 0);
return ret;
+
+fail_io_unmap:
+ iounmap(ssc->base);
+fail_release_mem:
+ release_mem_region(AT91RM9200_BASE_SSC1, SZ_16K);
+ return ret;
}
static void __exit eti_b1_exit(void)
{
+ struct at91_ssc_periph *ssc = eti_b1_dai.cpu_dai->private_data;
+
clk_put(pck1_clk);
clk_put(pllb_clk);
platform_device_unregister(eti_b1_snd_device);
+
+ iounmap(ssc->base);
+ release_mem_region(AT91RM9200_BASE_SSC1, SZ_16K);
}
module_init(eti_b1_init);