7 /* enough bytes to match alignment of following func pointer */
15 void (*putc)(const char c);
16 void (*puts)(const char *s);
17 #if CONFIG_POST & CONFIG_SYS_POST_UART
20 struct serial_device *next;
23 void default_serial_puts(const char *s);
25 extern struct serial_device serial_smc_device;
26 extern struct serial_device serial_scc_device;
27 extern struct serial_device *default_serial_console(void);
29 #if defined(CONFIG_405GP) || \
30 defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
31 defined(CONFIG_405EX) || defined(CONFIG_440) || \
32 defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \
33 defined(CONFIG_MPC86xx) || \
34 defined(CONFIG_TEGRA) || defined(CONFIG_SYS_COREBOOT) || \
35 defined(CONFIG_MICROBLAZE)
36 extern struct serial_device serial0_device;
37 extern struct serial_device serial1_device;
40 extern struct serial_device eserial1_device;
41 extern struct serial_device eserial2_device;
42 extern struct serial_device eserial3_device;
43 extern struct serial_device eserial4_device;
44 extern struct serial_device eserial5_device;
45 extern struct serial_device eserial6_device;
47 extern void serial_register(struct serial_device *);
48 extern void serial_initialize(void);
49 extern void serial_stdio_init(void);
50 extern int serial_assign(const char *name);
51 extern void serial_reinit_all(void);
56 extern int usbtty_getc(void);
57 extern void usbtty_putc(const char c);
58 extern void usbtty_puts(const char *str);
59 extern int usbtty_tstc(void);
64 #define usbtty_getc() 0
65 #define usbtty_putc(a)
66 #define usbtty_puts(a)
67 #define usbtty_tstc() 0
69 #endif /* CONFIG_USB_TTY */
74 * struct struct dm_serial_ops - Driver model serial operations
76 * The uclass interface is implemented by all serial devices which use
79 struct dm_serial_ops {
81 * setbrg() - Set up the baud rate generator
83 * Adjust baud rate divisors to set up a new baud rate for this
84 * device. Not all devices will support all rates. If the rate
85 * cannot be supported, the driver is free to select the nearest
86 * available rate. or return -EINVAL if this is not possible.
88 * @dev: Device pointer
89 * @baudrate: New baud rate to use
90 * @return 0 if OK, -ve on error
92 int (*setbrg)(struct udevice *dev, int baudrate);
94 * getc() - Read a character and return it
96 * If no character is available, this should return -EAGAIN without
99 * @dev: Device pointer
100 * @return character (0..255), -ve on error
102 int (*getc)(struct udevice *dev);
104 * putc() - Write a character
106 * @dev: Device pointer
107 * @ch: character to write
108 * @return 0 if OK, -ve on error
110 int (*putc)(struct udevice *dev, const char ch);
112 * pending() - Check if input/output characters are waiting
114 * This can be used to return an indication of the number of waiting
115 * characters if the driver knows this (e.g. by looking at the FIFO
116 * level). It is acceptable to return 1 if an indeterminant number
117 * of characters is waiting.
119 * This method is optional.
121 * @dev: Device pointer
122 * @input: true to check input characters, false for output
123 * @return number of waiting characters, 0 for none, -ve on error
125 int (*pending)(struct udevice *dev, bool input);
127 * clear() - Clear the serial FIFOs/holding registers
129 * This method is optional.
131 * This quickly clears any input/output characters from the UART.
132 * If this is not possible, but characters still exist, then it
133 * is acceptable to return -EAGAIN (try again) or -EINVAL (not
136 * @dev: Device pointer
137 * @return 0 if OK, -ve on error
139 int (*clear)(struct udevice *dev);
140 #if CONFIG_POST & CONFIG_SYS_POST_UART
142 * loop() - Control serial device loopback mode
144 * @dev: Device pointer
145 * @on: 1 to turn loopback on, 0 to turn if off
147 int (*loop)(struct udevice *dev, int on);
152 * struct serial_dev_priv - information about a device used by the uclass
154 * @sdev: stdio device attached to this uart
156 struct serial_dev_priv {
157 struct stdio_dev *sdev;
160 /* Access the serial operations for a device */
161 #define serial_get_ops(dev) ((struct dm_serial_ops *)(dev)->driver->ops)
163 void amirix_serial_initialize(void);
164 void arc_serial_initialize(void);
165 void arm_dcc_initialize(void);
166 void asc_serial_initialize(void);
167 void atmel_serial_initialize(void);
168 void au1x00_serial_initialize(void);
169 void bfin_jtag_initialize(void);
170 void bfin_serial_initialize(void);
171 void bmw_serial_initialize(void);
172 void clps7111_serial_initialize(void);
173 void cogent_serial_initialize(void);
174 void cpci750_serial_initialize(void);
175 void evb64260_serial_initialize(void);
176 void imx_serial_initialize(void);
177 void iop480_serial_initialize(void);
178 void jz_serial_initialize(void);
179 void leon2_serial_initialize(void);
180 void leon3_serial_initialize(void);
181 void lh7a40x_serial_initialize(void);
182 void lpc32xx_serial_initialize(void);
183 void marvell_serial_initialize(void);
184 void max3100_serial_initialize(void);
185 void mcf_serial_initialize(void);
186 void ml2_serial_initialize(void);
187 void mpc85xx_serial_initialize(void);
188 void mpc8xx_serial_initialize(void);
189 void mxc_serial_initialize(void);
190 void mxs_auart_initialize(void);
191 void ns16550_serial_initialize(void);
192 void oc_serial_initialize(void);
193 void p3mx_serial_initialize(void);
194 void pl01x_serial_initialize(void);
195 void pxa_serial_initialize(void);
196 void s3c24xx_serial_initialize(void);
197 void s5p_serial_initialize(void);
198 void sa1100_serial_initialize(void);
199 void sandbox_serial_initialize(void);
200 void sconsole_serial_initialize(void);
201 void sh_serial_initialize(void);
202 void uartlite_serial_initialize(void);
203 void zynq_serial_initialize(void);