diff options
Diffstat (limited to 'nuttx/configs/samv71-xult/src/samv71-xult.h')
| -rw-r--r-- | nuttx/configs/samv71-xult/src/samv71-xult.h | 134 |
1 files changed, 132 insertions, 2 deletions
diff --git a/nuttx/configs/samv71-xult/src/samv71-xult.h b/nuttx/configs/samv71-xult/src/samv71-xult.h index 51b71a9d2..43a5ba635 100644 --- a/nuttx/configs/samv71-xult/src/samv71-xult.h +++ b/nuttx/configs/samv71-xult/src/samv71-xult.h @@ -61,6 +61,8 @@ #define HAVE_NETWORK 1 #define HAVE_MACADDR 1 #define HAVE_MTDCONFIG 1 +#define HAVE_WM8904 1 +#define HAVE_AUDIO_NULL 1 /* HSMCI */ /* Can't support MMC/SD if the card interface is not enabled */ @@ -179,6 +181,63 @@ # undef HAVE_MTDCONFIG #endif +/* Audio */ +/* PCM/WM8904 driver */ + +#ifndef CONFIG_AUDIO_WM8904 +# undef HAVE_WM8904 +#endif + +#ifdef HAVE_WM8904 +# ifndef CONFIG_SAMV7_TWI0 +# warning CONFIG_SAMV7_TWI0 is required for audio support +# undef HAVE_WM8904 +# endif + +# ifndef CONFIG_SAMV7_SSC0 +# warning CONFIG_SAMV7_SSC0 is required for audio support +# undef HAVE_WM8904 +# endif + +# if !defined(CONFIG_SAMV7_PIOD_IRQ) +# warning CONFIG_SAMV7_PIOD_IRQ is required for audio support +# undef HAVE_WM8904 +# endif + +# ifndef CONFIG_AUDIO_FORMAT_PCM +# warning CONFIG_AUDIO_FORMAT_PCM is required for audio support +# undef HAVE_WM8904 +# endif + +# ifndef CONFIG_SAMV7D4EK_WM8904_I2CFREQUENCY +# warning Defaulting to maximum WM8904 I2C frequency +# define CONFIG_SAMV7D4EK_WM8904_I2CFREQUENCY 400000 +# endif + +# if CONFIG_SAMV7D4EK_WM8904_I2CFREQUENCY > 400000 +# warning WM8904 I2C frequency cannot exceed 400KHz +# undef CONFIG_SAMV7D4EK_WM8904_I2CFREQUENCY +# define CONFIG_SAMV7D4EK_WM8904_I2CFREQUENCY 400000 +# endif +#endif + +/* PCM/null driver */ + +#ifndef CONFIG_AUDIO_NULL +# undef HAVE_AUDIO_NULL +#endif + +#ifndef HAVE_WM8904 +# undef HAVE_AUDIO_NULL +#endif + +#ifdef HAVE_AUDIO_NULL +# ifndef CONFIG_AUDIO_FORMAT_PCM +# warning CONFIG_AUDIO_FORMAT_PCM is required for audio support +# undef HAVE_AUDIO_NULL +# endif +#endif + /* SAMV71-XULT GPIO Pin Definitions *************************************************/ /* Ethernet MAC. @@ -304,10 +363,41 @@ #define GPIO_VBUSON (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_OUTPUT_SET | \ GPIO_PORT_PIOC | GPIO_PIN16) -/* SPI Chip Selects - * to be provided +/* WM8904 Audio Codec ***************************************************************/ +/* SAMV71 Interface WM8904 Interface + * ---- ------------ ------- ---------------------------------- + * PIO Usage Pin Function + * ---- ------------ ------- ---------------------------------- + * PA3 TWD0 SDA I2C control interface, data line + * PA4 TWCK0 SCLK I2C control interface, clock line + * PA10 RD ADCDAT Digital audio output (microphone) + * PB18 PCK2 MCLK Master clock + * PB0 TF LRCLK Left/right data alignment clock + * PB1 TK BCLK Bit clock, for synchronization + * PD11 GPIO IRQ Audio interrupt + * PD24 RF LRCLK Left/right data alignment clock + * PD26 TD DACDAT Digital audio input (headphone) + * ---- ------------ ------- ---------------------------------- + */ + +/* Audio Interrupt. All interrupts are default, active high level. Pull down + * internally in the WM8904. So we want no pull-up/downs and we want to + * interrupt on the high level. */ +#define GPIO_INT_WM8904 (PIO_INPUT | PIO_CFG_DEFAULT | PIO_CFG_DEGLITCH | \ + PIO_INT_HIGHLEVEL | PIO_PORT_PIOD | PIO_PIN11) +#define IRQ_INT_WM8904 SAM_IRQ_PD11 + +/* The MW8904 communicates on TWI0, I2C address 0x1a for control operations */ + +#define WM8904_TWI_BUS 0 +#define WM8904_I2C_ADDRESS 0x1a + +/* The MW8904 transfers data on SSC0 */ + +#define WM8904_SSC_BUS 0 + /************************************************************************************ * Public Types ************************************************************************************/ @@ -519,5 +609,45 @@ bool sam_writeprotected(int slotno); int sam_at24config(void); #endif +/**************************************************************************** + * Name: sam_wm8904_initialize + * + * Description: + * This function is called by platform-specific, setup logic to configure + * and register the WM8904 device. This function will register the driver + * as /dev/wm8904[x] where x is determined by the minor device number. + * + * Input Parameters: + * minor - The input device minor number + * + * Returned Value: + * Zero is returned on success. Otherwise, a negated errno value is + * returned to indicate the nature of the failure. + * + ****************************************************************************/ + +#ifdef HAVE_WM8904 +int sam_wm8904_initialize(int minor); +#endif /* HAVE_WM8904 */ + +/**************************************************************************** + * Name: sam_audio_null_initialize + * + * Description: + * Set up to use the NULL audio device for PCM unit-level testing. + * + * Input Parameters: + * minor - The input device minor number + * + * Returned Value: + * Zero is returned on success. Otherwise, a negated errno value is + * returned to indicate the nature of the failure. + * + ****************************************************************************/ + +#ifdef HAVE_AUDIO_NULL +int sam_audio_null_initialize(int minor); +#endif /* HAVE_AUDIO_NULL */ + #endif /* __ASSEMBLY__ */ #endif /* __CONFIGS_SAMV71_XULT_SRC_SAMV71_XULT_H */ |