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 21extern int sm501_unit_power(struct device *dev, 22 unsigned int unit, unsigned int to); 23 24extern unsigned long sm501_set_clock(struct device *dev, 25 int clksrc, unsigned long freq); 26 27extern unsigned long sm501_find_clock(struct device *dev, 28 int clksrc, unsigned long req_freq); 29 30/* sm501_misc_control 31 * 32 * Modify the SM501's MISC_CONTROL register 33*/ 34 35extern int sm501_misc_control(struct device *dev, 36 unsigned long set, unsigned long clear); 37 38/* sm501_modify_reg 39 * 40 * Modify a register in the SM501 which may be shared with other 41 * drivers. 42*/ 43 44extern unsigned long sm501_modify_reg(struct device *dev, 45 unsigned long reg, 46 unsigned long set, 47 unsigned long clear); 48 49 50/* Platform data definitions */ 51 52#define SM501FB_FLAG_USE_INIT_MODE (1<<0) 53#define SM501FB_FLAG_DISABLE_AT_EXIT (1<<1) 54#define SM501FB_FLAG_USE_HWCURSOR (1<<2) 55#define SM501FB_FLAG_USE_HWACCEL (1<<3) 56#define SM501FB_FLAG_PANEL_NO_FPEN (1<<4) 57#define SM501FB_FLAG_PANEL_NO_VBIASEN (1<<5) 58#define SM501FB_FLAG_PANEL_INV_FPEN (1<<6) 59#define SM501FB_FLAG_PANEL_INV_VBIASEN (1<<7) 60 61struct sm501_platdata_fbsub { 62 struct fb_videomode *def_mode; 63 unsigned int def_bpp; 64 unsigned long max_mem; 65 unsigned int flags; 66}; 67 68enum sm501_fb_routing { 69 SM501_FB_OWN = 0, /* CRT=>CRT, Panel=>Panel */ 70 SM501_FB_CRT_PANEL = 1, /* Panel=>CRT, Panel=>Panel */ 71}; 72 73/* sm501_platdata_fb flag field bit definitions */ 74 75#define SM501_FBPD_SWAP_FB_ENDIAN (1<<0) /* need to endian swap */ 76 77/* sm501_platdata_fb 78 * 79 * configuration data for the framebuffer driver 80*/ 81 82struct sm501_platdata_fb { 83 enum sm501_fb_routing fb_route; 84 unsigned int flags; 85 struct sm501_platdata_fbsub *fb_crt; 86 struct sm501_platdata_fbsub *fb_pnl; 87}; 88 89/* gpio i2c 90 * 91 * Note, we have to pass in the bus number, as the number used will be 92 * passed to the i2c-gpio driver's platform_device.id, subsequently used 93 * to register the i2c bus. 94*/ 95 96struct sm501_platdata_gpio_i2c { 97 unsigned int bus_num; 98 unsigned int pin_sda; 99 unsigned int pin_scl; 100 int udelay; 101 int timeout; 102}; 103 104/* sm501_initdata 105 * 106 * use for initialising values that may not have been setup 107 * before the driver is loaded. 108*/ 109 110struct sm501_reg_init { 111 unsigned long set; 112 unsigned long mask; 113}; 114 115#define SM501_USE_USB_HOST (1<<0) 116#define SM501_USE_USB_SLAVE (1<<1) 117#define SM501_USE_SSP0 (1<<2) 118#define SM501_USE_SSP1 (1<<3) 119#define SM501_USE_UART0 (1<<4) 120#define SM501_USE_UART1 (1<<5) 121#define SM501_USE_FBACCEL (1<<6) 122#define SM501_USE_AC97 (1<<7) 123#define SM501_USE_I2S (1<<8) 124#define SM501_USE_GPIO (1<<9) 125 126#define SM501_USE_ALL (0xffffffff) 127 128struct sm501_initdata { 129 struct sm501_reg_init gpio_low; 130 struct sm501_reg_init gpio_high; 131 struct sm501_reg_init misc_timing; 132 struct sm501_reg_init misc_control; 133 134 unsigned long devices; 135 unsigned long mclk; /* non-zero to modify */ 136 unsigned long m1xclk; /* non-zero to modify */ 137}; 138 139/* sm501_init_gpio 140 * 141 * default gpio settings 142*/ 143 144struct sm501_init_gpio { 145 struct sm501_reg_init gpio_data_low; 146 struct sm501_reg_init gpio_data_high; 147 struct sm501_reg_init gpio_ddr_low; 148 struct sm501_reg_init gpio_ddr_high; 149}; 150 151#define SM501_FLAG_SUSPEND_OFF (1<<4) 152 153/* sm501_platdata 154 * 155 * This is passed with the platform device to allow the board 156 * to control the behaviour of the SM501 driver(s) which attach 157 * to the device. 158 * 159*/ 160 161struct sm501_platdata { 162 struct sm501_initdata *init; 163 struct sm501_init_gpio *init_gpiop; 164 struct sm501_platdata_fb *fb; 165 166 int flags; 167 int gpio_base; 168 169 int (*get_power)(struct device *dev); 170 int (*set_power)(struct device *dev, unsigned int on); 171 172 struct sm501_platdata_gpio_i2c *gpio_i2c; 173 unsigned int gpio_i2c_nr; 174}; 175