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![Christophe Leroy](/assets/img/avatar_default.png)
This patch removes call of serial initialisation functions that are not implemented anymore. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
180 lines
4.7 KiB
C
180 lines
4.7 KiB
C
#ifndef __SERIAL_H__
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#define __SERIAL_H__
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#include <post.h>
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struct serial_device {
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/* enough bytes to match alignment of following func pointer */
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char name[16];
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int (*start)(void);
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int (*stop)(void);
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void (*setbrg)(void);
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int (*getc)(void);
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int (*tstc)(void);
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void (*putc)(const char c);
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void (*puts)(const char *s);
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#if CONFIG_POST & CONFIG_SYS_POST_UART
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void (*loop)(int);
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#endif
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struct serial_device *next;
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};
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void default_serial_puts(const char *s);
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extern struct serial_device serial_smc_device;
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extern struct serial_device serial_scc_device;
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extern struct serial_device *default_serial_console(void);
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#if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \
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defined(CONFIG_MPC86xx) || \
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defined(CONFIG_TEGRA) || defined(CONFIG_SYS_COREBOOT) || \
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defined(CONFIG_MICROBLAZE)
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extern struct serial_device serial0_device;
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extern struct serial_device serial1_device;
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#endif
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extern struct serial_device eserial1_device;
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extern struct serial_device eserial2_device;
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extern struct serial_device eserial3_device;
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extern struct serial_device eserial4_device;
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extern struct serial_device eserial5_device;
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extern struct serial_device eserial6_device;
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extern void serial_register(struct serial_device *);
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extern void serial_initialize(void);
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extern void serial_stdio_init(void);
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extern int serial_assign(const char *name);
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extern void serial_reinit_all(void);
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/* For usbtty */
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#ifdef CONFIG_USB_TTY
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extern int usbtty_getc(void);
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extern void usbtty_putc(const char c);
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extern void usbtty_puts(const char *str);
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extern int usbtty_tstc(void);
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#else
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/* stubs */
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#define usbtty_getc() 0
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#define usbtty_putc(a)
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#define usbtty_puts(a)
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#define usbtty_tstc() 0
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#endif /* CONFIG_USB_TTY */
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struct udevice;
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/**
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* struct struct dm_serial_ops - Driver model serial operations
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*
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* The uclass interface is implemented by all serial devices which use
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* driver model.
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*/
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struct dm_serial_ops {
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/**
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* setbrg() - Set up the baud rate generator
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*
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* Adjust baud rate divisors to set up a new baud rate for this
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* device. Not all devices will support all rates. If the rate
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* cannot be supported, the driver is free to select the nearest
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* available rate. or return -EINVAL if this is not possible.
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*
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* @dev: Device pointer
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* @baudrate: New baud rate to use
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* @return 0 if OK, -ve on error
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*/
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int (*setbrg)(struct udevice *dev, int baudrate);
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/**
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* getc() - Read a character and return it
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*
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* If no character is available, this should return -EAGAIN without
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* waiting.
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*
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* @dev: Device pointer
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* @return character (0..255), -ve on error
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*/
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int (*getc)(struct udevice *dev);
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/**
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* putc() - Write a character
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*
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* @dev: Device pointer
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* @ch: character to write
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* @return 0 if OK, -ve on error
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*/
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int (*putc)(struct udevice *dev, const char ch);
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/**
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* pending() - Check if input/output characters are waiting
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*
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* This can be used to return an indication of the number of waiting
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* characters if the driver knows this (e.g. by looking at the FIFO
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* level). It is acceptable to return 1 if an indeterminant number
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* of characters is waiting.
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*
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* This method is optional.
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*
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* @dev: Device pointer
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* @input: true to check input characters, false for output
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* @return number of waiting characters, 0 for none, -ve on error
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*/
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int (*pending)(struct udevice *dev, bool input);
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/**
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* clear() - Clear the serial FIFOs/holding registers
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*
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* This method is optional.
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*
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* This quickly clears any input/output characters from the UART.
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* If this is not possible, but characters still exist, then it
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* is acceptable to return -EAGAIN (try again) or -EINVAL (not
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* supported).
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*
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* @dev: Device pointer
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* @return 0 if OK, -ve on error
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*/
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int (*clear)(struct udevice *dev);
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#if CONFIG_POST & CONFIG_SYS_POST_UART
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/**
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* loop() - Control serial device loopback mode
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*
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* @dev: Device pointer
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* @on: 1 to turn loopback on, 0 to turn if off
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*/
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int (*loop)(struct udevice *dev, int on);
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#endif
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};
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/**
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* struct serial_dev_priv - information about a device used by the uclass
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*
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* @sdev: stdio device attached to this uart
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*
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* @buf: Pointer to the RX buffer
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* @rd_ptr: Read pointer in the RX buffer
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* @wr_ptr: Write pointer in the RX buffer
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*/
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struct serial_dev_priv {
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struct stdio_dev *sdev;
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char *buf;
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int rd_ptr;
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int wr_ptr;
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};
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/* Access the serial operations for a device */
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#define serial_get_ops(dev) ((struct dm_serial_ops *)(dev)->driver->ops)
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void atmel_serial_initialize(void);
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void au1x00_serial_initialize(void);
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void mcf_serial_initialize(void);
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void mpc85xx_serial_initialize(void);
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void mpc8xx_serial_initialize(void);
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void mxc_serial_initialize(void);
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void ns16550_serial_initialize(void);
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void pl01x_serial_initialize(void);
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void pxa_serial_initialize(void);
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void sh_serial_initialize(void);
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#endif
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