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- /* 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 (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
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