Edit File: sm501.h
/* include/linux/sm501.h * * Copyright (c) 2006 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * Vincent Sanders <vince@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 as published by * the Free Software Foundation; either version 2 of the License * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ extern int sm501_unit_power(struct device *dev, unsigned int unit, unsigned int to); extern unsigned long sm501_set_clock(struct device *dev, int clksrc, unsigned long freq); extern unsigned long sm501_find_clock(struct device *dev, int clksrc, unsigned long req_freq); /* sm501_misc_control * * Modify the SM501's MISC_CONTROL register */ extern int sm501_misc_control(struct device *dev, unsigned long set, unsigned long clear); /* sm501_modify_reg * * Modify a register in the SM501 which may be shared with other * drivers. */ extern unsigned long sm501_modify_reg(struct device *dev, unsigned long reg, unsigned long set, unsigned long clear); /* Platform data definitions */ #define SM501FB_FLAG_USE_INIT_MODE (1<<0) #define SM501FB_FLAG_DISABLE_AT_EXIT (1<<1) #define SM501FB_FLAG_USE_HWCURSOR (1<<2) #define SM501FB_FLAG_USE_HWACCEL (1<<3) #define SM501FB_FLAG_PANEL_NO_FPEN (1<<4) #define SM501FB_FLAG_PANEL_NO_VBIASEN (1<<5) #define SM501FB_FLAG_PANEL_INV_FPEN (1<<6) #define SM501FB_FLAG_PANEL_INV_VBIASEN (1<<7) struct sm501_platdata_fbsub { struct fb_videomode *def_mode; unsigned int def_bpp; unsigned long max_mem; unsigned int flags; }; enum sm501_fb_routing { SM501_FB_OWN = 0, /* CRT=>CRT, Panel=>Panel */ SM501_FB_CRT_PANEL = 1, /* Panel=>CRT, Panel=>Panel */ }; /* sm501_platdata_fb flag field bit definitions */ #define SM501_FBPD_SWAP_FB_ENDIAN (1<<0) /* need to endian swap */ /* sm501_platdata_fb * * configuration data for the framebuffer driver */ struct sm501_platdata_fb { enum sm501_fb_routing fb_route; unsigned int flags; struct sm501_platdata_fbsub *fb_crt; struct sm501_platdata_fbsub *fb_pnl; }; /* gpio i2c * * Note, we have to pass in the bus number, as the number used will be * passed to the i2c-gpio driver's platform_device.id, subsequently used * to register the i2c bus. */ struct sm501_platdata_gpio_i2c { unsigned int bus_num; unsigned int pin_sda; unsigned int pin_scl; int udelay; int timeout; }; /* sm501_initdata * * use for initialising values that may not have been setup * before the driver is loaded. */ struct sm501_reg_init { unsigned long set; unsigned long mask; }; #define SM501_USE_USB_HOST (1<<0) #define SM501_USE_USB_SLAVE (1<<1) #define SM501_USE_SSP0 (1<<2) #define SM501_USE_SSP1 (1<<3) #define SM501_USE_UART0 (1<<4) #define SM501_USE_UART1 (1<<5) #define SM501_USE_FBACCEL (1<<6) #define SM501_USE_AC97 (1<<7) #define SM501_USE_I2S (1<<8) #define SM501_USE_GPIO (1<<9) #define SM501_USE_ALL (0xffffffff) struct sm501_initdata { struct sm501_reg_init gpio_low; struct sm501_reg_init gpio_high; struct sm501_reg_init misc_timing; struct sm501_reg_init misc_control; unsigned long devices; unsigned long mclk; /* non-zero to modify */ unsigned long m1xclk; /* non-zero to modify */ }; /* sm501_init_gpio * * default gpio settings */ struct sm501_init_gpio { struct sm501_reg_init gpio_data_low; struct sm501_reg_init gpio_data_high; struct sm501_reg_init gpio_ddr_low; struct sm501_reg_init gpio_ddr_high; }; #define SM501_FLAG_SUSPEND_OFF (1<<4) /* sm501_platdata * * This is passed with the platform device to allow the board * to control the behaviour of the SM501 driver(s) which attach * to the device. * */ struct sm501_platdata { struct sm501_initdata *init; struct sm501_init_gpio *init_gpiop; struct sm501_platdata_fb *fb; int flags; int gpio_base; int (*get_power)(struct device *dev); int (*set_power)(struct device *dev, unsigned int on); struct sm501_platdata_gpio_i2c *gpio_i2c; unsigned int gpio_i2c_nr; }; #if defined(CONFIG_PPC32) #define smc501_readl(addr) ioread32be((addr)) #define smc501_writel(val, addr) iowrite32be((val), (addr)) #else #define smc501_readl(addr) readl(addr) #define smc501_writel(val, addr) writel(val, addr) #endif