diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/i2c.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/i2c.h Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,90 @@ +#ifndef QEMU_I2C_H +#define QEMU_I2C_H + +/* The QEMU I2C implementation only supports simple transfers that complete + immediately. It does not support slave devices that need to be able to + defer their response (eg. CPU slave interfaces where the data is supplied + by the device driver in response to an interrupt). */ + +enum i2c_event { + I2C_START_RECV, + I2C_START_SEND, + I2C_FINISH, + I2C_NACK /* Masker NACKed a receive byte. */ +}; + +/* Master to slave. */ +typedef int (*i2c_send_cb)(i2c_slave *s, uint8_t data); +/* Slave to master. */ +typedef int (*i2c_recv_cb)(i2c_slave *s); +/* Notify the slave of a bus state change. */ +typedef void (*i2c_event_cb)(i2c_slave *s, enum i2c_event event); + +struct i2c_slave +{ + /* Callbacks to be set by the device. */ + i2c_event_cb event; + i2c_recv_cb recv; + i2c_send_cb send; + + /* Remaining fields for internal use by the I2C code. */ + int address; + void *next; + i2c_bus *bus; +}; + +i2c_bus *i2c_init_bus(void); +i2c_slave *i2c_slave_init(i2c_bus *bus, int address, int size); +void i2c_set_slave_address(i2c_slave *dev, int address); +int i2c_bus_busy(i2c_bus *bus); +int i2c_start_transfer(i2c_bus *bus, int address, int recv); +void i2c_end_transfer(i2c_bus *bus); +void i2c_nack(i2c_bus *bus); +int i2c_send(i2c_bus *bus, uint8_t data); +int i2c_recv(i2c_bus *bus); +void i2c_slave_save(QEMUFile *f, i2c_slave *dev); +void i2c_slave_load(QEMUFile *f, i2c_slave *dev); + +/* max111x.c */ +struct max111x_s; +uint32_t max111x_read(void *opaque); +void max111x_write(void *opaque, uint32_t value); +struct max111x_s *max1110_init(qemu_irq cb); +struct max111x_s *max1111_init(qemu_irq cb); +void max111x_set_input(struct max111x_s *s, int line, uint8_t value); + +/* max7310.c */ +i2c_slave *max7310_init(i2c_bus *bus); +void max7310_reset(i2c_slave *i2c); +qemu_irq *max7310_gpio_in_get(i2c_slave *i2c); +void max7310_gpio_out_set(i2c_slave *i2c, int line, qemu_irq handler); + +/* wm8750.c */ +i2c_slave *wm8750_init(i2c_bus *bus, AudioState *audio); +void wm8750_reset(i2c_slave *i2c); +void wm8750_data_req_set(i2c_slave *i2c, + void (*data_req)(void *, int, int), void *opaque); +void wm8750_dac_dat(void *opaque, uint32_t sample); +uint32_t wm8750_adc_dat(void *opaque); +void *wm8750_dac_buffer(void *opaque, int samples); +void wm8750_dac_commit(void *opaque); +void wm8750_set_bclk_in(void *opaque, int new_hz); + +/* ssd0303.c */ +void ssd0303_init(DisplayState *ds, i2c_bus *bus, int address); + +/* twl92230.c */ +i2c_slave *twl92230_init(i2c_bus *bus, qemu_irq irq); +qemu_irq *twl92230_gpio_in_get(i2c_slave *i2c); +void twl92230_gpio_out_set(i2c_slave *i2c, int line, qemu_irq handler); + +/* tmp105.c */ +struct i2c_slave *tmp105_init(i2c_bus *bus, qemu_irq alarm); +void tmp105_reset(i2c_slave *i2c); +void tmp105_set(i2c_slave *i2c, int temp); + +/* lm832x.c */ +struct i2c_slave *lm8323_init(i2c_bus *bus, qemu_irq nirq); +void lm832x_key_event(struct i2c_slave *i2c, int key, int state); + +#endif