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| author | Clemens Ladisch | 2008-09-22 09:04:43 +0200 |
|---|---|---|
| committer | Clemens Ladisch | 2008-09-22 09:04:43 +0200 |
| commit | 397b1dcc449082ce3f720c548da9c59db01cb739 (patch) | |
| tree | a5295eabb214f913cd931c50b079c81b8086e577 /sound/pci/oxygen/oxygen.h | |
| parent | ALSA: oxygen: configure MIDI via device_config (diff) | |
| download | kernel-qcow2-linux-397b1dcc449082ce3f720c548da9c59db01cb739.tar.gz kernel-qcow2-linux-397b1dcc449082ce3f720c548da9c59db01cb739.tar.xz kernel-qcow2-linux-397b1dcc449082ce3f720c548da9c59db01cb739.zip | |
ALSA: oxygen: add UART I/O functions
Add functions to allow model drivers to communicate with external chips
by doing I/O with the not-used-for-MIDI UART.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Diffstat (limited to 'sound/pci/oxygen/oxygen.h')
| -rw-r--r-- | sound/pci/oxygen/oxygen.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/pci/oxygen/oxygen.h b/sound/pci/oxygen/oxygen.h index f82a96290f72..19107c6307e5 100644 --- a/sound/pci/oxygen/oxygen.h +++ b/sound/pci/oxygen/oxygen.h @@ -79,6 +79,7 @@ struct oxygen_model { void (*update_dac_volume)(struct oxygen *chip); void (*update_dac_mute)(struct oxygen *chip); void (*gpio_changed)(struct oxygen *chip); + void (*uart_input)(struct oxygen *chip); void (*ac97_switch)(struct oxygen *chip, unsigned int reg, unsigned int mute); const unsigned int *dac_tlv; @@ -125,6 +126,8 @@ struct oxygen { __le32 _32[OXYGEN_IO_SIZE / 4]; } saved_registers; u16 saved_ac97_registers[2][0x40]; + unsigned int uart_input_count; + u8 uart_input[32]; struct oxygen_model model; }; @@ -174,6 +177,9 @@ void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec, void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data); void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data); +void oxygen_reset_uart(struct oxygen *chip); +void oxygen_write_uart(struct oxygen *chip, u8 data); + static inline void oxygen_set_bits8(struct oxygen *chip, unsigned int reg, u8 value) { |