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/* SPDX-License-Identifier: GPL-2.0-only */
/* include/linux/sm501.h
*
* Copyright (c) 2006 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* Vincent Sanders <vince@simtec.co.uk>
*/
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