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170 lines
4.0 KiB
170 lines
4.0 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* include/linux/sm501.h |
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* |
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* Copyright (c) 2006 Simtec Electronics |
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* Ben Dooks <[email protected]> |
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* Vincent Sanders <[email protected]> |
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*/ |
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extern int sm501_unit_power(struct device *dev, |
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unsigned int unit, unsigned int to); |
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extern unsigned long sm501_set_clock(struct device *dev, |
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int clksrc, unsigned long freq); |
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extern unsigned long sm501_find_clock(struct device *dev, |
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int clksrc, unsigned long req_freq); |
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/* sm501_misc_control |
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* |
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* Modify the SM501's MISC_CONTROL register |
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*/ |
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extern int sm501_misc_control(struct device *dev, |
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unsigned long set, unsigned long clear); |
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/* sm501_modify_reg |
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* |
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* Modify a register in the SM501 which may be shared with other |
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* drivers. |
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*/ |
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extern unsigned long sm501_modify_reg(struct device *dev, |
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unsigned long reg, |
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unsigned long set, |
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unsigned long clear); |
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/* Platform data definitions */ |
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#define SM501FB_FLAG_USE_INIT_MODE (1<<0) |
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#define SM501FB_FLAG_DISABLE_AT_EXIT (1<<1) |
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#define SM501FB_FLAG_USE_HWCURSOR (1<<2) |
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#define SM501FB_FLAG_USE_HWACCEL (1<<3) |
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#define SM501FB_FLAG_PANEL_NO_FPEN (1<<4) |
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#define SM501FB_FLAG_PANEL_NO_VBIASEN (1<<5) |
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#define SM501FB_FLAG_PANEL_INV_FPEN (1<<6) |
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#define SM501FB_FLAG_PANEL_INV_VBIASEN (1<<7) |
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struct sm501_platdata_fbsub { |
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struct fb_videomode *def_mode; |
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unsigned int def_bpp; |
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unsigned long max_mem; |
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unsigned int flags; |
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}; |
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enum sm501_fb_routing { |
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SM501_FB_OWN = 0, /* CRT=>CRT, Panel=>Panel */ |
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SM501_FB_CRT_PANEL = 1, /* Panel=>CRT, Panel=>Panel */ |
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}; |
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/* sm501_platdata_fb flag field bit definitions */ |
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#define SM501_FBPD_SWAP_FB_ENDIAN (1<<0) /* need to endian swap */ |
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/* sm501_platdata_fb |
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* |
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* configuration data for the framebuffer driver |
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*/ |
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struct sm501_platdata_fb { |
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enum sm501_fb_routing fb_route; |
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unsigned int flags; |
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struct sm501_platdata_fbsub *fb_crt; |
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struct sm501_platdata_fbsub *fb_pnl; |
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}; |
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/* gpio i2c |
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* |
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* Note, we have to pass in the bus number, as the number used will be |
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* passed to the i2c-gpio driver's platform_device.id, subsequently used |
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* to register the i2c bus. |
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*/ |
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struct sm501_platdata_gpio_i2c { |
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unsigned int bus_num; |
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unsigned int pin_sda; |
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unsigned int pin_scl; |
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int udelay; |
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int timeout; |
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}; |
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/* sm501_initdata |
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* |
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* use for initialising values that may not have been setup |
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* before the driver is loaded. |
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*/ |
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struct sm501_reg_init { |
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unsigned long set; |
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unsigned long mask; |
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}; |
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#define SM501_USE_USB_HOST (1<<0) |
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#define SM501_USE_USB_SLAVE (1<<1) |
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#define SM501_USE_SSP0 (1<<2) |
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#define SM501_USE_SSP1 (1<<3) |
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#define SM501_USE_UART0 (1<<4) |
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#define SM501_USE_UART1 (1<<5) |
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#define SM501_USE_FBACCEL (1<<6) |
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#define SM501_USE_AC97 (1<<7) |
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#define SM501_USE_I2S (1<<8) |
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#define SM501_USE_GPIO (1<<9) |
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#define SM501_USE_ALL (0xffffffff) |
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struct sm501_initdata { |
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struct sm501_reg_init gpio_low; |
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struct sm501_reg_init gpio_high; |
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struct sm501_reg_init misc_timing; |
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struct sm501_reg_init misc_control; |
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unsigned long devices; |
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unsigned long mclk; /* non-zero to modify */ |
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unsigned long m1xclk; /* non-zero to modify */ |
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}; |
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/* sm501_init_gpio |
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* |
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* default gpio settings |
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*/ |
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struct sm501_init_gpio { |
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struct sm501_reg_init gpio_data_low; |
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struct sm501_reg_init gpio_data_high; |
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struct sm501_reg_init gpio_ddr_low; |
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struct sm501_reg_init gpio_ddr_high; |
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}; |
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#define SM501_FLAG_SUSPEND_OFF (1<<4) |
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/* sm501_platdata |
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* |
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* This is passed with the platform device to allow the board |
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* to control the behaviour of the SM501 driver(s) which attach |
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* to the device. |
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* |
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*/ |
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struct sm501_platdata { |
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struct sm501_initdata *init; |
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struct sm501_init_gpio *init_gpiop; |
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struct sm501_platdata_fb *fb; |
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int flags; |
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int gpio_base; |
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int (*get_power)(struct device *dev); |
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int (*set_power)(struct device *dev, unsigned int on); |
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struct sm501_platdata_gpio_i2c *gpio_i2c; |
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unsigned int gpio_i2c_nr; |
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}; |
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#if defined(CONFIG_PPC32) |
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#define smc501_readl(addr) ioread32be((addr)) |
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#define smc501_writel(val, addr) iowrite32be((val), (addr)) |
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#else |
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#define smc501_readl(addr) readl(addr) |
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#define smc501_writel(val, addr) writel(val, addr) |
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#endif
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