mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 22:53:55 +08:00
bf5f001904
- add read/write functions for using this driver also on powerpc plattforms Signed-off-by: Heiko Schocher <hs@denx.de> cc: linux-fbdev@vger.kernel.org cc: devicetree-discuss@ozlabs.org cc: Ben Dooks <ben@simtec.co.uk> cc: Vincent Sanders <vince@simtec.co.uk> cc: Samuel Ortiz <sameo@linux.intel.com> cc: linux-kernel@vger.kernel.org cc: Randy Dunlap <rdunlap@xenotime.net> cc: Paul Mundt <lethal@linux-sh.org> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
183 lines
4.6 KiB
C
183 lines
4.6 KiB
C
/* include/linux/sm501.h
|
|
*
|
|
* Copyright (c) 2006 Simtec Electronics
|
|
* Ben Dooks <ben@simtec.co.uk>
|
|
* Vincent Sanders <vince@simtec.co.uk>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
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
|