include/linux/sm501.h

   1 /* include/linux/sm501.h
   2  *
   3  * Copyright (c) 2006 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *      Vincent Sanders <vince@simtec.co.uk>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20
  21 extern int sm501_unit_power(struct device *dev,
  22                             unsigned int unit, unsigned int to);
  23
  24 extern unsigned long sm501_set_clock(struct device *dev,
  25                                      int clksrc, unsigned long freq);
  26
  27 <<<<<<< HEAD:include/linux/sm501.h
  28 extern unsigned long sm501_find_clock(int clksrc, unsigned long req_freq);
  29 =======
  30 extern unsigned long sm501_find_clock(struct device *dev,
  31                                       int clksrc, unsigned long req_freq);
  32 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/sm501.h
  33
  34 /* sm501_misc_control
  35  *
  36  * Modify the SM501's MISC_CONTROL register
  37 */
  38
  39 extern int sm501_misc_control(struct device *dev,
  40                               unsigned long set, unsigned long clear);
  41
  42 /* sm501_modify_reg
  43  *
  44  * Modify a register in the SM501 which may be shared with other
  45  * drivers.
  46 */
  47
  48 extern unsigned long sm501_modify_reg(struct device *dev,
  49                                       unsigned long reg,
  50                                       unsigned long set,
  51                                       unsigned long clear);
  52
  53 /* sm501_gpio_set
  54  *
  55  * set the state of the given GPIO line
  56 */
  57
  58 extern void sm501_gpio_set(struct device *dev,
  59                            unsigned long gpio,
  60                            unsigned int to,
  61                            unsigned int dir);
  62
  63 /* sm501_gpio_get
  64  *
  65  * get the state of the given GPIO line
  66 */
  67
  68 extern unsigned long sm501_gpio_get(struct device *dev,
  69                                     unsigned long gpio);
  70
  71
  72 /* Platform data definitions */
  73
  74 #define SM501FB_FLAG_USE_INIT_MODE      (1<<0)
  75 #define SM501FB_FLAG_DISABLE_AT_EXIT    (1<<1)
  76 #define SM501FB_FLAG_USE_HWCURSOR       (1<<2)
  77 #define SM501FB_FLAG_USE_HWACCEL        (1<<3)
  78 #define SM501FB_FLAG_PANEL_USE_FPEN     (1<<4)
  79 #define SM501FB_FLAG_PANEL_USE_VBIASEN  (1<<5)
  80
  81 struct sm501_platdata_fbsub {
  82         struct fb_videomode     *def_mode;
  83         unsigned int             def_bpp;
  84         unsigned long            max_mem;
  85         unsigned int             flags;
  86 };
  87
  88 enum sm501_fb_routing {
  89         SM501_FB_OWN            = 0,    /* CRT=>CRT, Panel=>Panel */
  90         SM501_FB_CRT_PANEL      = 1,    /* Panel=>CRT, Panel=>Panel */
  91 };
  92
  93 /* sm501_platdata_fb flag field bit definitions */
  94
  95 #define SM501_FBPD_SWAP_FB_ENDIAN       (1<<0)  /* need to endian swap */
  96
  97 /* sm501_platdata_fb
  98  *
  99  * configuration data for the framebuffer driver
 100 */
 101
 102 struct sm501_platdata_fb {
 103         enum sm501_fb_routing            fb_route;
 104         unsigned int                     flags;
 105         struct sm501_platdata_fbsub     *fb_crt;
 106         struct sm501_platdata_fbsub     *fb_pnl;
 107 };
 108
 109 /* gpio i2c */
 110
 111 struct sm501_platdata_gpio_i2c {
 112         unsigned int            pin_sda;
 113         unsigned int            pin_scl;
 114 };
 115
 116 /* sm501_initdata
 117  *
 118  * use for initialising values that may not have been setup
 119  * before the driver is loaded.
 120 */
 121
 122 struct sm501_reg_init {
 123         unsigned long           set;
 124         unsigned long           mask;
 125 };
 126
 127 #define SM501_USE_USB_HOST      (1<<0)
 128 #define SM501_USE_USB_SLAVE     (1<<1)
 129 #define SM501_USE_SSP0          (1<<2)
 130 #define SM501_USE_SSP1          (1<<3)
 131 #define SM501_USE_UART0         (1<<4)
 132 #define SM501_USE_UART1         (1<<5)
 133 #define SM501_USE_FBACCEL       (1<<6)
 134 #define SM501_USE_AC97          (1<<7)
 135 #define SM501_USE_I2S           (1<<8)
 136
 137 #define SM501_USE_ALL           (0xffffffff)
 138
 139 struct sm501_initdata {
 140         struct sm501_reg_init   gpio_low;
 141         struct sm501_reg_init   gpio_high;
 142         struct sm501_reg_init   misc_timing;
 143         struct sm501_reg_init   misc_control;
 144
 145         unsigned long           devices;
 146         unsigned long           mclk;           /* non-zero to modify */
 147         unsigned long           m1xclk;         /* non-zero to modify */
 148 };
 149
 150 /* sm501_init_gpio
 151  *
 152  * default gpio settings
 153 */
 154
 155 struct sm501_init_gpio {
 156         struct sm501_reg_init   gpio_data_low;
 157         struct sm501_reg_init   gpio_data_high;
 158         struct sm501_reg_init   gpio_ddr_low;
 159         struct sm501_reg_init   gpio_ddr_high;
 160 };
 161
 162 /* sm501_platdata
 163  *
 164  * This is passed with the platform device to allow the board
 165  * to control the behaviour of the SM501 driver(s) which attach
 166  * to the device.
 167  *
 168 */
 169
 170 struct sm501_platdata {
 171         struct sm501_initdata           *init;
 172         struct sm501_init_gpio          *init_gpiop;
 173         struct sm501_platdata_fb        *fb;
 174
 175         struct sm501_platdata_gpio_i2c  *gpio_i2c;
 176         unsigned int                     gpio_i2c_nr;
 177 };