int cs4245_read_spi(struct oxygen *chip, u8 addr)
{
struct dg *data = chip->model_data;
int ret;
ret = oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
OXYGEN_SPI_DATA_LENGTH_2 |
OXYGEN_SPI_CEN_LATCH_CLOCK_HI |
OXYGEN_SPI_CLOCK_1280 | (0 << OXYGEN_SPI_CODEC_SHIFT),
((CS4245_SPI_ADDRESS | CS4245_SPI_WRITE) << 8) | addr);
if (ret < 0)
return ret;
ret = oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
OXYGEN_SPI_DATA_LENGTH_2 |
OXYGEN_SPI_CEN_LATCH_CLOCK_HI |
OXYGEN_SPI_CLOCK_1280 | (0 << OXYGEN_SPI_CODEC_SHIFT),
(CS4245_SPI_ADDRESS | CS4245_SPI_READ) << 8);
if (ret < 0)
return ret;
data->cs4245_shadow[addr] = oxygen_read8(chip, OXYGEN_SPI_DATA1);
return 0;
}
static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
{
oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
OXYGEN_SPI_DATA_LENGTH_2 |
OXYGEN_SPI_CLOCK_160 |
(3 << OXYGEN_SPI_CODEC_SHIFT) |
OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
(reg << 9) | value);
}
static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
{
struct generic_data *data = chip->model_data;
oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
OXYGEN_SPI_DATA_LENGTH_2 |
OXYGEN_SPI_CLOCK_160 |
(3 << OXYGEN_SPI_CODEC_SHIFT) |
OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
(reg << 9) | value);
if (reg < ARRAY_SIZE(data->saved_wm8785_registers))
data->saved_wm8785_registers[reg] = value;
}
static inline void pcm1796_write_spi(struct oxygen *chip, unsigned int codec,
u8 reg, u8 value)
{
/* maps ALSA channel pair number to SPI output */
static const u8 codec_map[4] = {
0, 1, 2, 4
};
oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
OXYGEN_SPI_DATA_LENGTH_2 |
OXYGEN_SPI_CLOCK_160 |
(codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
(reg << 8) | value);
}
static void cs4245_write(struct oxygen *chip, unsigned int reg, u8 value)
{
struct dg *data = chip->model_data;
oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
OXYGEN_SPI_DATA_LENGTH_3 |
OXYGEN_SPI_CLOCK_1280 |
(0 << OXYGEN_SPI_CODEC_SHIFT) |
OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
CS4245_SPI_ADDRESS |
CS4245_SPI_WRITE |
(reg << 8) | value);
data->cs4245_regs[reg] = value;
}
int cs4245_write_spi(struct oxygen *chip, u8 reg)
{
struct dg *data = chip->model_data;
unsigned int packet;
packet = reg << 8;
packet |= (CS4245_SPI_ADDRESS | CS4245_SPI_WRITE) << 16;
packet |= data->cs4245_shadow[reg];
return oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
OXYGEN_SPI_DATA_LENGTH_3 |
OXYGEN_SPI_CLOCK_1280 |
(0 << OXYGEN_SPI_CODEC_SHIFT) |
OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
packet);
}
static void ak4396_write(struct oxygen *chip, unsigned int codec,
u8 reg, u8 value)
{
/* maps ALSA channel pair number to SPI output */
static const u8 codec_spi_map[4] = {
0, 1, 2, 4
};
struct generic_data *data = chip->model_data;
oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
OXYGEN_SPI_DATA_LENGTH_2 |
OXYGEN_SPI_CLOCK_160 |
(codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
AK4396_WRITE | (reg << 8) | value);
data->ak4396_regs[codec][reg] = value;
}