| 1 | /* |
| 2 | * (C) GraÅžvydas "notaz" Ignotas, 2011,2012 |
| 3 | * |
| 4 | * This work is licensed under the terms of any of these licenses |
| 5 | * (at your option): |
| 6 | * - GNU GPL, version 2 or later. |
| 7 | * - GNU LGPL, version 2.1 or later. |
| 8 | * - MAME license. |
| 9 | * See the COPYING file in the top-level directory. |
| 10 | */ |
| 11 | |
| 12 | #include <stdio.h> |
| 13 | #include <stdlib.h> |
| 14 | #include <string.h> |
| 15 | #include <sys/types.h> |
| 16 | #include <dirent.h> |
| 17 | #include <linux/input.h> |
| 18 | #include <errno.h> |
| 19 | |
| 20 | #include "../plat.h" |
| 21 | #include "../input.h" |
| 22 | |
| 23 | static const char * const pandora_gpio_keys[KEY_MAX + 1] = { |
| 24 | [0 ... KEY_MAX] = NULL, |
| 25 | [KEY_UP] = "Up", |
| 26 | [KEY_LEFT] = "Left", |
| 27 | [KEY_RIGHT] = "Right", |
| 28 | [KEY_DOWN] = "Down", |
| 29 | [KEY_HOME] = "(A)", |
| 30 | [KEY_PAGEDOWN] = "(X)", |
| 31 | [KEY_END] = "(B)", |
| 32 | [KEY_PAGEUP] = "(Y)", |
| 33 | [KEY_RIGHTSHIFT]= "(L)", |
| 34 | [KEY_RIGHTCTRL] = "(R)", |
| 35 | [KEY_LEFTALT] = "Start", |
| 36 | [KEY_LEFTCTRL] = "Select", |
| 37 | [KEY_MENU] = "Pandora", |
| 38 | }; |
| 39 | |
| 40 | static const char pnd_script_base[] = "sudo -n /usr/pandora/scripts"; |
| 41 | |
| 42 | static void scan_for_filters(void) |
| 43 | { |
| 44 | struct dirent *ent; |
| 45 | int i, count = 0; |
| 46 | const char **mfilters; |
| 47 | char buff[64]; |
| 48 | DIR *dir; |
| 49 | |
| 50 | dir = opendir("/etc/pandora/conf/dss_fir"); |
| 51 | if (dir == NULL) { |
| 52 | perror("filter opendir"); |
| 53 | return; |
| 54 | } |
| 55 | |
| 56 | while (1) { |
| 57 | errno = 0; |
| 58 | ent = readdir(dir); |
| 59 | if (ent == NULL) { |
| 60 | if (errno != 0) |
| 61 | perror("readdir"); |
| 62 | break; |
| 63 | } |
| 64 | |
| 65 | if (ent->d_type != DT_REG && ent->d_type != DT_LNK) |
| 66 | continue; |
| 67 | |
| 68 | count++; |
| 69 | } |
| 70 | |
| 71 | if (count == 0) |
| 72 | return; |
| 73 | |
| 74 | mfilters = calloc(count + 1, sizeof(mfilters[0])); |
| 75 | if (mfilters == NULL) |
| 76 | return; |
| 77 | |
| 78 | rewinddir(dir); |
| 79 | for (i = 0; (ent = readdir(dir)); ) { |
| 80 | size_t len; |
| 81 | |
| 82 | if (ent->d_type != DT_REG && ent->d_type != DT_LNK) |
| 83 | continue; |
| 84 | |
| 85 | len = strlen(ent->d_name); |
| 86 | |
| 87 | // skip pre-HF5 extra files |
| 88 | if (len >= 3 && strcmp(ent->d_name + len - 3, "_v3") == 0) |
| 89 | continue; |
| 90 | if (len >= 3 && strcmp(ent->d_name + len - 3, "_v5") == 0) |
| 91 | continue; |
| 92 | |
| 93 | // have to cut "_up_h" for pre-HF5 |
| 94 | if (len > 5 && strcmp(ent->d_name + len - 5, "_up_h") == 0) |
| 95 | len -= 5; |
| 96 | |
| 97 | if (len > sizeof(buff) - 1) |
| 98 | continue; |
| 99 | |
| 100 | strncpy(buff, ent->d_name, len); |
| 101 | buff[len] = 0; |
| 102 | mfilters[i] = strdup(buff); |
| 103 | if (mfilters[i] != NULL) |
| 104 | i++; |
| 105 | } |
| 106 | closedir(dir); |
| 107 | |
| 108 | plat_target.hwfilters = mfilters; |
| 109 | } |
| 110 | |
| 111 | static int do_system(const char *cmd) |
| 112 | { |
| 113 | int ret; |
| 114 | |
| 115 | ret = system(cmd); |
| 116 | if (ret >= 0) |
| 117 | ret = 0; |
| 118 | |
| 119 | return ret; |
| 120 | } |
| 121 | |
| 122 | static int read_int_from_file(const char *fname) |
| 123 | { |
| 124 | int ret = -1; |
| 125 | FILE *f; |
| 126 | |
| 127 | f = fopen(fname, "r"); |
| 128 | if (f) { |
| 129 | fscanf(f, "%d", &ret); |
| 130 | fclose(f); |
| 131 | } |
| 132 | return ret; |
| 133 | } |
| 134 | |
| 135 | static int lcdrate_set(int is_pal) |
| 136 | { |
| 137 | static int old_pal = -1; |
| 138 | char buf[128]; |
| 139 | |
| 140 | if (is_pal == old_pal) |
| 141 | return 0; |
| 142 | old_pal = is_pal; |
| 143 | |
| 144 | snprintf(buf, sizeof(buf), "%s/op_lcdrate.sh %d", |
| 145 | pnd_script_base, is_pal ? 50 : 60); |
| 146 | return do_system(buf); |
| 147 | } |
| 148 | |
| 149 | static int hwfilter_set(int which) |
| 150 | { |
| 151 | static int old_filter = -1; |
| 152 | char buf[128]; |
| 153 | int i; |
| 154 | |
| 155 | if (plat_target.hwfilters == NULL) |
| 156 | return -1; |
| 157 | |
| 158 | if (which == old_filter) |
| 159 | return 0; |
| 160 | |
| 161 | for (i = 0; i <= which; i++) |
| 162 | if (plat_target.hwfilters[i] == NULL) |
| 163 | return -1; |
| 164 | |
| 165 | old_filter = which; |
| 166 | |
| 167 | snprintf(buf, sizeof(buf), "%s/op_videofir.sh %s", |
| 168 | pnd_script_base, plat_target.hwfilters[which]); |
| 169 | return do_system(buf); |
| 170 | } |
| 171 | |
| 172 | static int cpu_clock_get(void) |
| 173 | { |
| 174 | return read_int_from_file("/proc/pandora/cpu_mhz_max"); |
| 175 | } |
| 176 | |
| 177 | static int cpu_clock_set(int cpu_clock) |
| 178 | { |
| 179 | char buf[128]; |
| 180 | |
| 181 | if (cpu_clock < 14) |
| 182 | return -1; |
| 183 | |
| 184 | if (cpu_clock == cpu_clock_get()) |
| 185 | return 0; |
| 186 | |
| 187 | snprintf(buf, sizeof(buf), |
| 188 | "unset DISPLAY; echo y | %s/op_cpuspeed.sh %d", |
| 189 | pnd_script_base, cpu_clock); |
| 190 | return do_system(buf); |
| 191 | } |
| 192 | |
| 193 | static int bat_capacity_get(void) |
| 194 | { |
| 195 | return read_int_from_file("/sys/class/power_supply/bq27500-0/capacity"); |
| 196 | } |
| 197 | |
| 198 | static int gamma_set(int val, int black_level) |
| 199 | { |
| 200 | char buf[128]; |
| 201 | |
| 202 | snprintf(buf, sizeof(buf), "%s/op_gamma.sh -b %d %.2f", |
| 203 | pnd_script_base, black_level, (float)val / 100.0f); |
| 204 | return do_system(buf); |
| 205 | } |
| 206 | |
| 207 | struct plat_target plat_target = { |
| 208 | cpu_clock_get, |
| 209 | cpu_clock_set, |
| 210 | bat_capacity_get, |
| 211 | hwfilter_set, |
| 212 | lcdrate_set, |
| 213 | gamma_set, |
| 214 | }; |
| 215 | |
| 216 | int plat_target_init(void) |
| 217 | { |
| 218 | scan_for_filters(); |
| 219 | |
| 220 | return 0; |
| 221 | } |
| 222 | |
| 223 | /* to be called after in_probe */ |
| 224 | void plat_target_setup_input(void) |
| 225 | { |
| 226 | int gpiokeys_id; |
| 227 | |
| 228 | gpiokeys_id = in_name_to_id("evdev:gpio-keys"); |
| 229 | in_set_config(gpiokeys_id, IN_CFG_KEY_NAMES, |
| 230 | pandora_gpio_keys, sizeof(pandora_gpio_keys)); |
| 231 | in_set_config(gpiokeys_id, IN_CFG_DEFAULT_DEV, NULL, 0); |
| 232 | } |
| 233 | |
| 234 | void plat_target_finish(void) |
| 235 | { |
| 236 | } |