Subversion Repositories test_project

/* 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(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);

/* sm501_gpio_set

 *

 * set the state of the given GPIO line

*/

extern void sm501_gpio_set(struct device *dev,

                           unsigned long gpio,

                           unsigned int to,

                           unsigned int dir);

/* sm501_gpio_get

 *

 * get the state of the given GPIO line

*/

extern unsigned long sm501_gpio_get(struct device *dev,

                                    unsigned long gpio);

/* 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)

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 */

struct sm501_platdata_gpio_i2c {

        unsigned int            pin_sda;

        unsigned int            pin_scl;

};

/* 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_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;

};

/* 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;

        struct sm501_platdata_gpio_i2c  *gpio_i2c;

        unsigned int                     gpio_i2c_nr;

};