Ben Dooks | b6d6454 | 2007-02-20 13:58:01 -0800 | [diff] [blame] | 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 | |
Ville Syrjala | 3149be5 | 2008-03-04 14:28:50 -0800 | [diff] [blame] | 27 | extern unsigned long sm501_find_clock(struct device *dev, |
| 28 | int clksrc, unsigned long req_freq); |
Ben Dooks | b6d6454 | 2007-02-20 13:58:01 -0800 | [diff] [blame] | 29 | |
| 30 | /* sm501_misc_control |
| 31 | * |
| 32 | * Modify the SM501's MISC_CONTROL register |
| 33 | */ |
| 34 | |
| 35 | extern 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 | |
| 44 | extern unsigned long sm501_modify_reg(struct device *dev, |
| 45 | unsigned long reg, |
| 46 | unsigned long set, |
| 47 | unsigned long clear); |
| 48 | |
| 49 | /* sm501_gpio_set |
| 50 | * |
| 51 | * set the state of the given GPIO line |
| 52 | */ |
| 53 | |
| 54 | extern void sm501_gpio_set(struct device *dev, |
| 55 | unsigned long gpio, |
| 56 | unsigned int to, |
| 57 | unsigned int dir); |
| 58 | |
| 59 | /* sm501_gpio_get |
| 60 | * |
| 61 | * get the state of the given GPIO line |
| 62 | */ |
| 63 | |
| 64 | extern unsigned long sm501_gpio_get(struct device *dev, |
| 65 | unsigned long gpio); |
| 66 | |
| 67 | |
| 68 | /* Platform data definitions */ |
| 69 | |
| 70 | #define SM501FB_FLAG_USE_INIT_MODE (1<<0) |
| 71 | #define SM501FB_FLAG_DISABLE_AT_EXIT (1<<1) |
| 72 | #define SM501FB_FLAG_USE_HWCURSOR (1<<2) |
| 73 | #define SM501FB_FLAG_USE_HWACCEL (1<<3) |
Ben Dooks | cdc83ae | 2008-05-23 13:04:53 -0700 | [diff] [blame^] | 74 | #define SM501FB_FLAG_PANEL_NO_FPEN (1<<4) |
| 75 | #define SM501FB_FLAG_PANEL_NO_VBIASEN (1<<5) |
Ben Dooks | b6d6454 | 2007-02-20 13:58:01 -0800 | [diff] [blame] | 76 | |
| 77 | struct sm501_platdata_fbsub { |
| 78 | struct fb_videomode *def_mode; |
| 79 | unsigned int def_bpp; |
| 80 | unsigned long max_mem; |
| 81 | unsigned int flags; |
| 82 | }; |
| 83 | |
| 84 | enum sm501_fb_routing { |
| 85 | SM501_FB_OWN = 0, /* CRT=>CRT, Panel=>Panel */ |
| 86 | SM501_FB_CRT_PANEL = 1, /* Panel=>CRT, Panel=>Panel */ |
| 87 | }; |
| 88 | |
| 89 | /* sm501_platdata_fb flag field bit definitions */ |
| 90 | |
| 91 | #define SM501_FBPD_SWAP_FB_ENDIAN (1<<0) /* need to endian swap */ |
| 92 | |
| 93 | /* sm501_platdata_fb |
| 94 | * |
| 95 | * configuration data for the framebuffer driver |
| 96 | */ |
| 97 | |
| 98 | struct sm501_platdata_fb { |
| 99 | enum sm501_fb_routing fb_route; |
| 100 | unsigned int flags; |
| 101 | struct sm501_platdata_fbsub *fb_crt; |
| 102 | struct sm501_platdata_fbsub *fb_pnl; |
| 103 | }; |
| 104 | |
| 105 | /* gpio i2c */ |
| 106 | |
| 107 | struct sm501_platdata_gpio_i2c { |
| 108 | unsigned int pin_sda; |
| 109 | unsigned int pin_scl; |
| 110 | }; |
| 111 | |
| 112 | /* sm501_initdata |
| 113 | * |
| 114 | * use for initialising values that may not have been setup |
| 115 | * before the driver is loaded. |
| 116 | */ |
| 117 | |
| 118 | struct sm501_reg_init { |
| 119 | unsigned long set; |
| 120 | unsigned long mask; |
| 121 | }; |
| 122 | |
| 123 | #define SM501_USE_USB_HOST (1<<0) |
| 124 | #define SM501_USE_USB_SLAVE (1<<1) |
| 125 | #define SM501_USE_SSP0 (1<<2) |
| 126 | #define SM501_USE_SSP1 (1<<3) |
| 127 | #define SM501_USE_UART0 (1<<4) |
| 128 | #define SM501_USE_UART1 (1<<5) |
| 129 | #define SM501_USE_FBACCEL (1<<6) |
| 130 | #define SM501_USE_AC97 (1<<7) |
| 131 | #define SM501_USE_I2S (1<<8) |
| 132 | |
| 133 | #define SM501_USE_ALL (0xffffffff) |
| 134 | |
| 135 | struct sm501_initdata { |
| 136 | struct sm501_reg_init gpio_low; |
| 137 | struct sm501_reg_init gpio_high; |
| 138 | struct sm501_reg_init misc_timing; |
| 139 | struct sm501_reg_init misc_control; |
| 140 | |
| 141 | unsigned long devices; |
| 142 | unsigned long mclk; /* non-zero to modify */ |
| 143 | unsigned long m1xclk; /* non-zero to modify */ |
| 144 | }; |
| 145 | |
| 146 | /* sm501_init_gpio |
| 147 | * |
| 148 | * default gpio settings |
| 149 | */ |
| 150 | |
| 151 | struct sm501_init_gpio { |
| 152 | struct sm501_reg_init gpio_data_low; |
| 153 | struct sm501_reg_init gpio_data_high; |
| 154 | struct sm501_reg_init gpio_ddr_low; |
| 155 | struct sm501_reg_init gpio_ddr_high; |
| 156 | }; |
| 157 | |
| 158 | /* sm501_platdata |
| 159 | * |
| 160 | * This is passed with the platform device to allow the board |
| 161 | * to control the behaviour of the SM501 driver(s) which attach |
| 162 | * to the device. |
| 163 | * |
| 164 | */ |
| 165 | |
| 166 | struct sm501_platdata { |
| 167 | struct sm501_initdata *init; |
| 168 | struct sm501_init_gpio *init_gpiop; |
| 169 | struct sm501_platdata_fb *fb; |
| 170 | |
| 171 | struct sm501_platdata_gpio_i2c *gpio_i2c; |
| 172 | unsigned int gpio_i2c_nr; |
| 173 | }; |