diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-10-29 17:12:39 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-11-14 10:30:39 +0100 |
| commit | 9eedbdf1b4216e286bd660322ae5a52f79eee243 (patch) | |
| tree | f68dda745cc87b40aedba9baa84cbb3b7045ffd4 /arch/arm/plat-mxc/include | |
| parent | d8d982b1b284370512d5650aadb300d30fd9d4b2 (diff) | |
MXC: Add a digital audio multiplexer driver
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/plat-mxc/include')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/audmux.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/audmux.h b/arch/arm/plat-mxc/include/mach/audmux.h new file mode 100644 index 00000000000..5cd6466964a --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/audmux.h @@ -0,0 +1,52 @@ +#ifndef __MACH_AUDMUX_H +#define __MACH_AUDMUX_H + +#define MX27_AUDMUX_HPCR1_SSI0 0 +#define MX27_AUDMUX_HPCR2_SSI1 1 +#define MX27_AUDMUX_HPCR3_SSI_PINS_4 2 +#define MX27_AUDMUX_PPCR1_SSI_PINS_1 3 +#define MX27_AUDMUX_PPCR2_SSI_PINS_2 4 +#define MX27_AUDMUX_PPCR3_SSI_PINS_3 5 + +#define MX31_AUDMUX_PORT1_SSI0 0 +#define MX31_AUDMUX_PORT2_SSI1 1 +#define MX31_AUDMUX_PORT3_SSI_PINS_3 2 +#define MX31_AUDMUX_PORT4_SSI_PINS_4 3 +#define MX31_AUDMUX_PORT5_SSI_PINS_5 4 +#define MX31_AUDMUX_PORT6_SSI_PINS_6 5 + +/* Register definitions for the i.MX21/27 Digital Audio Multiplexer */ +#define MXC_AUDMUX_V1_PCR_INMMASK(x) ((x) & 0xff) +#define MXC_AUDMUX_V1_PCR_INMEN (1 << 8) +#define MXC_AUDMUX_V1_PCR_TXRXEN (1 << 10) +#define MXC_AUDMUX_V1_PCR_SYN (1 << 12) +#define MXC_AUDMUX_V1_PCR_RXDSEL(x) (((x) & 0x7) << 13) +#define MXC_AUDMUX_V1_PCR_RFCSEL(x) (((x) & 0xf) << 20) +#define MXC_AUDMUX_V1_PCR_RCLKDIR (1 << 24) +#define MXC_AUDMUX_V1_PCR_RFSDIR (1 << 25) +#define MXC_AUDMUX_V1_PCR_TFCSEL(x) (((x) & 0xf) << 26) +#define MXC_AUDMUX_V1_PCR_TCLKDIR (1 << 30) +#define MXC_AUDMUX_V1_PCR_TFSDIR (1 << 31) + +/* Register definitions for the i.MX25/31/35 Digital Audio Multiplexer */ +#define MXC_AUDMUX_V2_PTCR_TFSDIR (1 << 31) +#define MXC_AUDMUX_V2_PTCR_TFSEL(x) (((x) & 0xf) << 27) +#define MXC_AUDMUX_V2_PTCR_TCLKDIR (1 << 26) +#define MXC_AUDMUX_V2_PTCR_TCSEL(x) (((x) & 0xf) << 22) +#define MXC_AUDMUX_V2_PTCR_RFSDIR (1 << 21) +#define MXC_AUDMUX_V2_PTCR_RFSEL(x) (((x) & 0xf) << 17) +#define MXC_AUDMUX_V2_PTCR_RCLKDIR (1 << 16) +#define MXC_AUDMUX_V2_PTCR_RCSEL(x) (((x) & 0xf) << 12) +#define MXC_AUDMUX_V2_PTCR_SYN (1 << 11) + +#define MXC_AUDMUX_V2_PDCR_RXDSEL(x) (((x) & 0x7) << 13) +#define MXC_AUDMUX_V2_PDCR_TXRXEN (1 << 12) +#define MXC_AUDMUX_V2_PDCR_MODE(x) (((x) & 0x3) << 8) +#define MXC_AUDMUX_V2_PDCR_INMMASK(x) ((x) & 0xff) + +int mxc_audmux_v1_configure_port(unsigned int port, unsigned int pcr); + +int mxc_audmux_v2_configure_port(unsigned int port, unsigned int ptcr, + unsigned int pdcr); + +#endif /* __MACH_AUDMUX_H */ |