ARM: S3C64XX: Add AC97 platform resources
This patch defines the platform device and the resources: IRQ, DMA and MEM, needed by the AC97 controller driver. Signed-off-by: Jassi Brar <jassi.brar@samsung.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
parent
1f1008684a
commit
de6985be18
|
@ -11,6 +11,7 @@
|
|||
#include <linux/kernel.h>
|
||||
#include <linux/string.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
|
||||
#include <mach/irqs.h>
|
||||
#include <mach/map.h>
|
||||
|
@ -255,3 +256,80 @@ struct platform_device s3c64xx_device_pcm1 = {
|
|||
},
|
||||
};
|
||||
EXPORT_SYMBOL(s3c64xx_device_pcm1);
|
||||
|
||||
/* AC97 Controller platform devices */
|
||||
|
||||
static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
|
||||
{
|
||||
s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_AC97_BITCLK);
|
||||
s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_AC97_nRESET);
|
||||
s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_AC97_SYNC);
|
||||
s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_AC97_SDI);
|
||||
s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_AC97_SDO);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
|
||||
{
|
||||
s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_AC97_BITCLK);
|
||||
s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_AC97_nRESET);
|
||||
s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_AC97_SYNC);
|
||||
s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_AC97_SDI);
|
||||
s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_AC97_SDO);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct resource s3c64xx_ac97_resource[] = {
|
||||
[0] = {
|
||||
.start = S3C64XX_PA_AC97,
|
||||
.end = S3C64XX_PA_AC97 + 0x100 - 1,
|
||||
.flags = IORESOURCE_MEM,
|
||||
},
|
||||
[1] = {
|
||||
.start = DMACH_AC97_PCMOUT,
|
||||
.end = DMACH_AC97_PCMOUT,
|
||||
.flags = IORESOURCE_DMA,
|
||||
},
|
||||
[2] = {
|
||||
.start = DMACH_AC97_PCMIN,
|
||||
.end = DMACH_AC97_PCMIN,
|
||||
.flags = IORESOURCE_DMA,
|
||||
},
|
||||
[3] = {
|
||||
.start = DMACH_AC97_MICIN,
|
||||
.end = DMACH_AC97_MICIN,
|
||||
.flags = IORESOURCE_DMA,
|
||||
},
|
||||
[4] = {
|
||||
.start = IRQ_AC97,
|
||||
.end = IRQ_AC97,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
};
|
||||
|
||||
static struct s3c_audio_pdata s3c_ac97_pdata;
|
||||
|
||||
static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
|
||||
|
||||
struct platform_device s3c64xx_device_ac97 = {
|
||||
.name = "s3c-ac97",
|
||||
.id = -1,
|
||||
.num_resources = ARRAY_SIZE(s3c64xx_ac97_resource),
|
||||
.resource = s3c64xx_ac97_resource,
|
||||
.dev = {
|
||||
.platform_data = &s3c_ac97_pdata,
|
||||
.dma_mask = &s3c64xx_ac97_dmamask,
|
||||
.coherent_dma_mask = DMA_BIT_MASK(32),
|
||||
},
|
||||
};
|
||||
EXPORT_SYMBOL(s3c64xx_device_ac97);
|
||||
|
||||
void __init s3c64xx_ac97_setup_gpio(int num)
|
||||
{
|
||||
if (num == S3C64XX_AC97_GPD)
|
||||
s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
|
||||
else
|
||||
s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
|
||||
}
|
||||
|
|
|
@ -8,6 +8,14 @@
|
|||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
/* The machine init code calls s3c*_ac97_setup_gpio with
|
||||
* one of these defines in order to select appropriate bank
|
||||
* of GPIO for AC97 pins
|
||||
*/
|
||||
#define S3C64XX_AC97_GPD 0
|
||||
#define S3C64XX_AC97_GPE 1
|
||||
extern void s3c64xx_ac97_setup_gpio(int);
|
||||
|
||||
/**
|
||||
* struct s3c_audio_pdata - common platform data for audio device drivers
|
||||
* @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode
|
||||
|
|
|
@ -35,7 +35,10 @@ extern struct platform_device s3c64xx_device_spi1;
|
|||
extern struct platform_device s3c64xx_device_pcm0;
|
||||
extern struct platform_device s3c64xx_device_pcm1;
|
||||
|
||||
extern struct platform_device s3c64xx_device_ac97;
|
||||
|
||||
extern struct platform_device s3c_device_ts;
|
||||
|
||||
extern struct platform_device s3c_device_fb;
|
||||
extern struct platform_device s3c_device_ohci;
|
||||
extern struct platform_device s3c_device_lcd;
|
||||
|
|
Loading…
Reference in New Issue