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authorKevin2014-11-15 09:58:27 +0800
committerKevin2014-11-15 09:58:27 +0800
commit392e8802486cb573b916e746010e141a75f507e6 (patch)
tree50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/drivers/tty/serial/samsung.h
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init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/drivers/tty/serial/samsung.h')
-rw-r--r--ANDROID_3.4.5/drivers/tty/serial/samsung.h97
1 files changed, 97 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/drivers/tty/serial/samsung.h b/ANDROID_3.4.5/drivers/tty/serial/samsung.h
new file mode 100644
index 00000000..1a4bca3e
--- /dev/null
+++ b/ANDROID_3.4.5/drivers/tty/serial/samsung.h
@@ -0,0 +1,97 @@
+/*
+ * Driver for Samsung SoC onboard UARTs.
+ *
+ * Ben Dooks, Copyright (c) 2003-2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+struct s3c24xx_uart_info {
+ char *name;
+ unsigned int type;
+ unsigned int fifosize;
+ unsigned long rx_fifomask;
+ unsigned long rx_fifoshift;
+ unsigned long rx_fifofull;
+ unsigned long tx_fifomask;
+ unsigned long tx_fifoshift;
+ unsigned long tx_fifofull;
+ unsigned int def_clk_sel;
+ unsigned long num_clks;
+ unsigned long clksel_mask;
+ unsigned long clksel_shift;
+
+ /* uart port features */
+
+ unsigned int has_divslot:1;
+
+ /* uart controls */
+ int (*reset_port)(struct uart_port *, struct s3c2410_uartcfg *);
+};
+
+struct s3c24xx_serial_drv_data {
+ struct s3c24xx_uart_info *info;
+ struct s3c2410_uartcfg *def_cfg;
+ unsigned int fifosize[CONFIG_SERIAL_SAMSUNG_UARTS];
+};
+
+struct s3c24xx_uart_port {
+ unsigned char rx_claimed;
+ unsigned char tx_claimed;
+ unsigned int pm_level;
+ unsigned long baudclk_rate;
+
+ unsigned int rx_irq;
+ unsigned int tx_irq;
+
+ struct s3c24xx_uart_info *info;
+ struct clk *clk;
+ struct clk *baudclk;
+ struct uart_port port;
+ struct s3c24xx_serial_drv_data *drv_data;
+
+ /* reference to platform data */
+ struct s3c2410_uartcfg *cfg;
+
+#ifdef CONFIG_CPU_FREQ
+ struct notifier_block freq_transition;
+#endif
+};
+
+/* conversion functions */
+
+#define s3c24xx_dev_to_port(__dev) (struct uart_port *)dev_get_drvdata(__dev)
+
+/* register access controls */
+
+#define portaddr(port, reg) ((port)->membase + (reg))
+#define portaddrl(port, reg) ((unsigned long *)((port)->membase + (reg)))
+
+#define rd_regb(port, reg) (__raw_readb(portaddr(port, reg)))
+#define rd_regl(port, reg) (__raw_readl(portaddr(port, reg)))
+
+#define wr_regb(port, reg, val) __raw_writeb(val, portaddr(port, reg))
+#define wr_regl(port, reg, val) __raw_writel(val, portaddr(port, reg))
+
+#ifdef CONFIG_SERIAL_SAMSUNG_DEBUG
+
+extern void printascii(const char *);
+
+static void dbg(const char *fmt, ...)
+{
+ va_list va;
+ char buff[256];
+
+ va_start(va, fmt);
+ vsprintf(buff, fmt, va);
+ va_end(va);
+
+ printascii(buff);
+}
+
+#else
+#define dbg(x...) do { } while (0)
+#endif