| /* 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 |