/* SPDX-License-Identifier: GPL-2.0-only */ /* include/linux/sm501.h * * Copyright (c) 2006 Simtec Electronics * Ben Dooks <[email protected]> * Vincent Sanders <[email protected]> */ 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 … #define SM501FB_FLAG_DISABLE_AT_EXIT … #define SM501FB_FLAG_USE_HWCURSOR … #define SM501FB_FLAG_USE_HWACCEL … #define SM501FB_FLAG_PANEL_NO_FPEN … #define SM501FB_FLAG_PANEL_NO_VBIASEN … #define SM501FB_FLAG_PANEL_INV_FPEN … #define SM501FB_FLAG_PANEL_INV_VBIASEN … struct sm501_platdata_fbsub { … }; enum sm501_fb_routing { … }; /* sm501_platdata_fb flag field bit definitions */ #define SM501_FBPD_SWAP_FB_ENDIAN … /* sm501_platdata_fb * * configuration data for the framebuffer driver */ struct sm501_platdata_fb { … }; /* 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 { … }; /* sm501_initdata * * use for initialising values that may not have been setup * before the driver is loaded. */ struct sm501_reg_init { … }; #define SM501_USE_USB_HOST … #define SM501_USE_USB_SLAVE … #define SM501_USE_SSP0 … #define SM501_USE_SSP1 … #define SM501_USE_UART0 … #define SM501_USE_UART1 … #define SM501_USE_FBACCEL … #define SM501_USE_AC97 … #define SM501_USE_I2S … #define SM501_USE_GPIO … #define SM501_USE_ALL … struct sm501_initdata { … }; /* sm501_init_gpio * * default gpio settings */ struct sm501_init_gpio { … }; #define SM501_FLAG_SUSPEND_OFF … /* 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 { … }; #if defined(CONFIG_PPC32) #define smc501_readl … #define smc501_writel … #else #define smc501_readl(addr) … #define smc501_writel(val, addr) … #endif
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