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_MPC5xxx) || \
33 defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \
34 defined(CONFIG_MPC86xx) || defined(CONFIG_SYS_SC520) || \
35 defined(CONFIG_TEGRA) || defined(CONFIG_SYS_COREBOOT) || \
36 defined(CONFIG_MICROBLAZE)
37 extern struct serial_device serial0_device;
38 extern struct serial_device serial1_device;
41 extern struct serial_device eserial1_device;
42 extern struct serial_device eserial2_device;
43 extern struct serial_device eserial3_device;
44 extern struct serial_device eserial4_device;
45 extern struct serial_device eserial5_device;
46 extern struct serial_device eserial6_device;
48 extern void serial_register(struct serial_device *);
49 extern void serial_initialize(void);
50 extern void serial_stdio_init(void);
51 extern int serial_assign(const char *name);
52 extern void serial_reinit_all(void);
57 extern int usbtty_getc(void);
58 extern void usbtty_putc(const char c);
59 extern void usbtty_puts(const char *str);
60 extern int usbtty_tstc(void);
65 #define usbtty_getc() 0
66 #define usbtty_putc(a)
67 #define usbtty_puts(a)
68 #define usbtty_tstc() 0
70 #endif /* CONFIG_USB_TTY */
72 #if defined(CONFIG_MPC512X)
73 extern struct stdio_dev *open_port(int num, int baudrate);
74 extern int close_port(int num);
75 extern int write_port(struct stdio_dev *port, char *buf);
76 extern int read_port(struct stdio_dev *port, char *buf, int size);
82 * struct struct dm_serial_ops - Driver model serial operations
84 * The uclass interface is implemented by all serial devices which use
87 struct dm_serial_ops {
89 * setbrg() - Set up the baud rate generator
91 * Adjust baud rate divisors to set up a new baud rate for this
92 * device. Not all devices will support all rates. If the rate
93 * cannot be supported, the driver is free to select the nearest
94 * available rate. or return -EINVAL if this is not possible.
96 * @dev: Device pointer
97 * @baudrate: New baud rate to use
98 * @return 0 if OK, -ve on error
100 int (*setbrg)(struct udevice *dev, int baudrate);
102 * getc() - Read a character and return it
104 * If no character is available, this should return -EAGAIN without
107 * @dev: Device pointer
108 * @return character (0..255), -ve on error
110 int (*getc)(struct udevice *dev);
112 * putc() - Write a character
114 * @dev: Device pointer
115 * @ch: character to write
116 * @return 0 if OK, -ve on error
118 int (*putc)(struct udevice *dev, const char ch);
120 * pending() - Check if input/output characters are waiting
122 * This can be used to return an indication of the number of waiting
123 * characters if the driver knows this (e.g. by looking at the FIFO
124 * level). It is acceptable to return 1 if an indeterminant number
125 * of characters is waiting.
127 * This method is optional.
129 * @dev: Device pointer
130 * @input: true to check input characters, false for output
131 * @return number of waiting characters, 0 for none, -ve on error
133 int (*pending)(struct udevice *dev, bool input);
135 * clear() - Clear the serial FIFOs/holding registers
137 * This method is optional.
139 * This quickly clears any input/output characters from the UART.
140 * If this is not possible, but characters still exist, then it
141 * is acceptable to return -EAGAIN (try again) or -EINVAL (not
144 * @dev: Device pointer
145 * @return 0 if OK, -ve on error
147 int (*clear)(struct udevice *dev);
148 #if CONFIG_POST & CONFIG_SYS_POST_UART
150 * loop() - Control serial device loopback mode
152 * @dev: Device pointer
153 * @on: 1 to turn loopback on, 0 to turn if off
155 int (*loop)(struct udevice *dev, int on);
160 * struct serial_dev_priv - information about a device used by the uclass
162 * @sdev: stdio device attached to this uart
164 struct serial_dev_priv {
165 struct stdio_dev *sdev;
168 /* Access the serial operations for a device */
169 #define serial_get_ops(dev) ((struct dm_serial_ops *)(dev)->driver->ops)
171 void amirix_serial_initialize(void);
172 void arc_serial_initialize(void);
173 void arm_dcc_initialize(void);
174 void asc_serial_initialize(void);
175 void atmel_serial_initialize(void);
176 void au1x00_serial_initialize(void);
177 void bfin_jtag_initialize(void);
178 void bfin_serial_initialize(void);
179 void bmw_serial_initialize(void);
180 void clps7111_serial_initialize(void);
181 void cogent_serial_initialize(void);
182 void cpci750_serial_initialize(void);
183 void evb64260_serial_initialize(void);
184 void imx_serial_initialize(void);
185 void iop480_serial_initialize(void);
186 void jz_serial_initialize(void);
187 void leon2_serial_initialize(void);
188 void leon3_serial_initialize(void);
189 void lh7a40x_serial_initialize(void);
190 void lpc32xx_serial_initialize(void);
191 void marvell_serial_initialize(void);
192 void max3100_serial_initialize(void);
193 void mcf_serial_initialize(void);
194 void ml2_serial_initialize(void);
195 void mpc512x_serial_initialize(void);
196 void mpc5xx_serial_initialize(void);
197 void mpc8260_scc_serial_initialize(void);
198 void mpc8260_smc_serial_initialize(void);
199 void mpc85xx_serial_initialize(void);
200 void mpc8xx_serial_initialize(void);
201 void mxc_serial_initialize(void);
202 void mxs_auart_initialize(void);
203 void ns16550_serial_initialize(void);
204 void oc_serial_initialize(void);
205 void p3mx_serial_initialize(void);
206 void pl01x_serial_initialize(void);
207 void pxa_serial_initialize(void);
208 void s3c24xx_serial_initialize(void);
209 void s5p_serial_initialize(void);
210 void sa1100_serial_initialize(void);
211 void sandbox_serial_initialize(void);
212 void sconsole_serial_initialize(void);
213 void sh_serial_initialize(void);
214 void uartlite_serial_initialize(void);
215 void zynq_serial_initialize(void);