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#ifndef __SAMSUNG_H #define __SAMSUNG_H /* * 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) dev_get_drvdata(__dev) /* register access controls */ #define portaddr(port, reg) ((port)->membase + (reg)) #define portaddrl(port, reg) \ ((unsigned long *)(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)) #endif |