Takashi Iwai | 2807314 | 2007-07-27 18:58:06 +0200 | [diff] [blame] | 1 | /* |
| 2 | * HWDEP Interface for HD-audio codec |
| 3 | * |
| 4 | * Copyright (c) 2007 Takashi Iwai <tiwai@suse.de> |
| 5 | * |
| 6 | * This driver is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This driver 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 | |
Takashi Iwai | 2807314 | 2007-07-27 18:58:06 +0200 | [diff] [blame] | 21 | #include <linux/init.h> |
| 22 | #include <linux/slab.h> |
| 23 | #include <linux/pci.h> |
| 24 | #include <linux/compat.h> |
| 25 | #include <linux/mutex.h> |
Takashi Iwai | 1e1be43 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 26 | #include <linux/ctype.h> |
André Goddard Rosa | e7d2860 | 2009-12-14 18:01:06 -0800 | [diff] [blame] | 27 | #include <linux/string.h> |
Paul Gortmaker | d81a6d7 | 2011-09-22 09:34:58 -0400 | [diff] [blame] | 28 | #include <linux/export.h> |
Takashi Iwai | 2807314 | 2007-07-27 18:58:06 +0200 | [diff] [blame] | 29 | #include <sound/core.h> |
| 30 | #include "hda_codec.h" |
| 31 | #include "hda_local.h" |
| 32 | #include <sound/hda_hwdep.h> |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 33 | #include <sound/minors.h> |
Takashi Iwai | 2807314 | 2007-07-27 18:58:06 +0200 | [diff] [blame] | 34 | |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 35 | /* hint string pair */ |
| 36 | struct hda_hint { |
| 37 | const char *key; |
| 38 | const char *val; /* contained in the same alloc as key */ |
| 39 | }; |
| 40 | |
Takashi Iwai | 2807314 | 2007-07-27 18:58:06 +0200 | [diff] [blame] | 41 | /* |
| 42 | * write/read an out-of-bound verb |
| 43 | */ |
| 44 | static int verb_write_ioctl(struct hda_codec *codec, |
| 45 | struct hda_verb_ioctl __user *arg) |
| 46 | { |
| 47 | u32 verb, res; |
| 48 | |
| 49 | if (get_user(verb, &arg->verb)) |
| 50 | return -EFAULT; |
| 51 | res = snd_hda_codec_read(codec, verb >> 24, 0, |
| 52 | (verb >> 8) & 0xffff, verb & 0xff); |
| 53 | if (put_user(res, &arg->res)) |
| 54 | return -EFAULT; |
| 55 | return 0; |
| 56 | } |
| 57 | |
| 58 | static int get_wcap_ioctl(struct hda_codec *codec, |
| 59 | struct hda_verb_ioctl __user *arg) |
| 60 | { |
| 61 | u32 verb, res; |
| 62 | |
| 63 | if (get_user(verb, &arg->verb)) |
| 64 | return -EFAULT; |
| 65 | res = get_wcaps(codec, verb >> 24); |
| 66 | if (put_user(res, &arg->res)) |
| 67 | return -EFAULT; |
| 68 | return 0; |
| 69 | } |
| 70 | |
| 71 | |
| 72 | /* |
| 73 | */ |
| 74 | static int hda_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, |
| 75 | unsigned int cmd, unsigned long arg) |
| 76 | { |
| 77 | struct hda_codec *codec = hw->private_data; |
| 78 | void __user *argp = (void __user *)arg; |
| 79 | |
| 80 | switch (cmd) { |
| 81 | case HDA_IOCTL_PVERSION: |
| 82 | return put_user(HDA_HWDEP_VERSION, (int __user *)argp); |
| 83 | case HDA_IOCTL_VERB_WRITE: |
| 84 | return verb_write_ioctl(codec, argp); |
| 85 | case HDA_IOCTL_GET_WCAP: |
| 86 | return get_wcap_ioctl(codec, argp); |
| 87 | } |
| 88 | return -ENOIOCTLCMD; |
| 89 | } |
| 90 | |
| 91 | #ifdef CONFIG_COMPAT |
| 92 | static int hda_hwdep_ioctl_compat(struct snd_hwdep *hw, struct file *file, |
| 93 | unsigned int cmd, unsigned long arg) |
| 94 | { |
Takashi Iwai | 312d045 | 2007-07-31 11:08:10 +0200 | [diff] [blame] | 95 | return hda_hwdep_ioctl(hw, file, cmd, (unsigned long)compat_ptr(arg)); |
Takashi Iwai | 2807314 | 2007-07-27 18:58:06 +0200 | [diff] [blame] | 96 | } |
| 97 | #endif |
| 98 | |
| 99 | static int hda_hwdep_open(struct snd_hwdep *hw, struct file *file) |
| 100 | { |
Takashi Iwai | 62cf872 | 2008-05-20 12:15:15 +0200 | [diff] [blame] | 101 | #ifndef CONFIG_SND_DEBUG_VERBOSE |
Takashi Iwai | 2807314 | 2007-07-27 18:58:06 +0200 | [diff] [blame] | 102 | if (!capable(CAP_SYS_RAWIO)) |
| 103 | return -EACCES; |
| 104 | #endif |
| 105 | return 0; |
| 106 | } |
| 107 | |
Takashi Iwai | 11aeff0 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 108 | static void clear_hwdep_elements(struct hda_codec *codec) |
| 109 | { |
Takashi Iwai | 1e1be43 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 110 | int i; |
| 111 | |
Takashi Iwai | 11aeff0 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 112 | /* clear init verbs */ |
| 113 | snd_array_free(&codec->init_verbs); |
Takashi Iwai | 1e1be43 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 114 | /* clear hints */ |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 115 | for (i = 0; i < codec->hints.used; i++) { |
| 116 | struct hda_hint *hint = snd_array_elem(&codec->hints, i); |
| 117 | kfree(hint->key); /* we don't need to free hint->val */ |
| 118 | } |
Takashi Iwai | 1e1be43 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 119 | snd_array_free(&codec->hints); |
Takashi Iwai | 346ff70 | 2009-02-23 09:42:57 +0100 | [diff] [blame] | 120 | snd_array_free(&codec->user_pins); |
Takashi Iwai | 11aeff0 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 121 | } |
| 122 | |
| 123 | static void hwdep_free(struct snd_hwdep *hwdep) |
| 124 | { |
| 125 | clear_hwdep_elements(hwdep->private_data); |
| 126 | } |
| 127 | |
Takashi Iwai | 6a0f56a | 2012-12-07 07:41:56 +0100 | [diff] [blame] | 128 | int snd_hda_create_hwdep(struct hda_codec *codec) |
Takashi Iwai | 2807314 | 2007-07-27 18:58:06 +0200 | [diff] [blame] | 129 | { |
| 130 | char hwname[16]; |
| 131 | struct snd_hwdep *hwdep; |
| 132 | int err; |
| 133 | |
| 134 | sprintf(hwname, "HDA Codec %d", codec->addr); |
| 135 | err = snd_hwdep_new(codec->bus->card, hwname, codec->addr, &hwdep); |
| 136 | if (err < 0) |
| 137 | return err; |
| 138 | codec->hwdep = hwdep; |
| 139 | sprintf(hwdep->name, "HDA Codec %d", codec->addr); |
| 140 | hwdep->iface = SNDRV_HWDEP_IFACE_HDA; |
| 141 | hwdep->private_data = codec; |
Takashi Iwai | 11aeff0 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 142 | hwdep->private_free = hwdep_free; |
Takashi Iwai | 2807314 | 2007-07-27 18:58:06 +0200 | [diff] [blame] | 143 | hwdep->exclusive = 1; |
| 144 | |
| 145 | hwdep->ops.open = hda_hwdep_open; |
| 146 | hwdep->ops.ioctl = hda_hwdep_ioctl; |
| 147 | #ifdef CONFIG_COMPAT |
| 148 | hwdep->ops.ioctl_compat = hda_hwdep_ioctl_compat; |
| 149 | #endif |
| 150 | |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 151 | mutex_init(&codec->user_mutex); |
Takashi Iwai | 11aeff0 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 152 | snd_array_init(&codec->init_verbs, sizeof(struct hda_verb), 32); |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 153 | snd_array_init(&codec->hints, sizeof(struct hda_hint), 32); |
Takashi Iwai | 346ff70 | 2009-02-23 09:42:57 +0100 | [diff] [blame] | 154 | snd_array_init(&codec->user_pins, sizeof(struct hda_pincfg), 16); |
Takashi Iwai | 11aeff0 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 155 | |
Takashi Iwai | 2807314 | 2007-07-27 18:58:06 +0200 | [diff] [blame] | 156 | return 0; |
| 157 | } |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 158 | |
Takashi Iwai | 83012a7 | 2012-08-24 18:38:08 +0200 | [diff] [blame] | 159 | #ifdef CONFIG_PM |
Takashi Iwai | a2f6309 | 2009-11-11 09:34:25 +0100 | [diff] [blame] | 160 | static ssize_t power_on_acct_show(struct device *dev, |
| 161 | struct device_attribute *attr, |
| 162 | char *buf) |
| 163 | { |
| 164 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); |
| 165 | struct hda_codec *codec = hwdep->private_data; |
| 166 | snd_hda_update_power_acct(codec); |
| 167 | return sprintf(buf, "%u\n", jiffies_to_msecs(codec->power_on_acct)); |
| 168 | } |
| 169 | |
| 170 | static ssize_t power_off_acct_show(struct device *dev, |
| 171 | struct device_attribute *attr, |
| 172 | char *buf) |
| 173 | { |
| 174 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); |
| 175 | struct hda_codec *codec = hwdep->private_data; |
| 176 | snd_hda_update_power_acct(codec); |
| 177 | return sprintf(buf, "%u\n", jiffies_to_msecs(codec->power_off_acct)); |
| 178 | } |
| 179 | |
| 180 | static struct device_attribute power_attrs[] = { |
| 181 | __ATTR_RO(power_on_acct), |
| 182 | __ATTR_RO(power_off_acct), |
| 183 | }; |
| 184 | |
| 185 | int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec) |
| 186 | { |
| 187 | struct snd_hwdep *hwdep = codec->hwdep; |
| 188 | int i; |
| 189 | |
| 190 | for (i = 0; i < ARRAY_SIZE(power_attrs); i++) |
| 191 | snd_add_device_sysfs_file(SNDRV_DEVICE_TYPE_HWDEP, hwdep->card, |
| 192 | hwdep->device, &power_attrs[i]); |
| 193 | return 0; |
| 194 | } |
Takashi Iwai | 83012a7 | 2012-08-24 18:38:08 +0200 | [diff] [blame] | 195 | #endif /* CONFIG_PM */ |
Takashi Iwai | a2f6309 | 2009-11-11 09:34:25 +0100 | [diff] [blame] | 196 | |
Takashi Iwai | e7ee058 | 2008-11-21 09:26:20 +0100 | [diff] [blame] | 197 | #ifdef CONFIG_SND_HDA_RECONFIG |
| 198 | |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 199 | /* |
| 200 | * sysfs interface |
| 201 | */ |
| 202 | |
| 203 | static int clear_codec(struct hda_codec *codec) |
| 204 | { |
Takashi Iwai | a65d629 | 2009-02-23 16:57:04 +0100 | [diff] [blame] | 205 | int err; |
| 206 | |
| 207 | err = snd_hda_codec_reset(codec); |
| 208 | if (err < 0) { |
| 209 | snd_printk(KERN_ERR "The codec is being used, can't free.\n"); |
| 210 | return err; |
| 211 | } |
Takashi Iwai | 11aeff0 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 212 | clear_hwdep_elements(codec); |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 213 | return 0; |
| 214 | } |
| 215 | |
| 216 | static int reconfig_codec(struct hda_codec *codec) |
| 217 | { |
| 218 | int err; |
| 219 | |
Takashi Iwai | bb6ac72 | 2009-03-13 09:02:42 +0100 | [diff] [blame] | 220 | snd_hda_power_up(codec); |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 221 | snd_printk(KERN_INFO "hda-codec: reconfiguring\n"); |
Takashi Iwai | a65d629 | 2009-02-23 16:57:04 +0100 | [diff] [blame] | 222 | err = snd_hda_codec_reset(codec); |
| 223 | if (err < 0) { |
| 224 | snd_printk(KERN_ERR |
| 225 | "The codec is being used, can't reconfigure.\n"); |
Takashi Iwai | bb6ac72 | 2009-03-13 09:02:42 +0100 | [diff] [blame] | 226 | goto error; |
Takashi Iwai | a65d629 | 2009-02-23 16:57:04 +0100 | [diff] [blame] | 227 | } |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 228 | err = snd_hda_codec_configure(codec); |
| 229 | if (err < 0) |
Takashi Iwai | bb6ac72 | 2009-03-13 09:02:42 +0100 | [diff] [blame] | 230 | goto error; |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 231 | /* rebuild PCMs */ |
Takashi Iwai | 529bd6c | 2008-11-27 14:17:01 +0100 | [diff] [blame] | 232 | err = snd_hda_codec_build_pcms(codec); |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 233 | if (err < 0) |
Takashi Iwai | bb6ac72 | 2009-03-13 09:02:42 +0100 | [diff] [blame] | 234 | goto error; |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 235 | /* rebuild mixers */ |
| 236 | err = snd_hda_codec_build_controls(codec); |
| 237 | if (err < 0) |
Takashi Iwai | bb6ac72 | 2009-03-13 09:02:42 +0100 | [diff] [blame] | 238 | goto error; |
| 239 | err = snd_card_register(codec->bus->card); |
| 240 | error: |
| 241 | snd_hda_power_down(codec); |
| 242 | return err; |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 243 | } |
| 244 | |
| 245 | /* |
| 246 | * allocate a string at most len chars, and remove the trailing EOL |
| 247 | */ |
| 248 | static char *kstrndup_noeol(const char *src, size_t len) |
| 249 | { |
| 250 | char *s = kstrndup(src, len, GFP_KERNEL); |
| 251 | char *p; |
| 252 | if (!s) |
| 253 | return NULL; |
| 254 | p = strchr(s, '\n'); |
| 255 | if (p) |
| 256 | *p = 0; |
| 257 | return s; |
| 258 | } |
| 259 | |
| 260 | #define CODEC_INFO_SHOW(type) \ |
| 261 | static ssize_t type##_show(struct device *dev, \ |
| 262 | struct device_attribute *attr, \ |
| 263 | char *buf) \ |
| 264 | { \ |
| 265 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); \ |
| 266 | struct hda_codec *codec = hwdep->private_data; \ |
| 267 | return sprintf(buf, "0x%x\n", codec->type); \ |
| 268 | } |
| 269 | |
| 270 | #define CODEC_INFO_STR_SHOW(type) \ |
| 271 | static ssize_t type##_show(struct device *dev, \ |
| 272 | struct device_attribute *attr, \ |
| 273 | char *buf) \ |
| 274 | { \ |
| 275 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); \ |
| 276 | struct hda_codec *codec = hwdep->private_data; \ |
| 277 | return sprintf(buf, "%s\n", \ |
| 278 | codec->type ? codec->type : ""); \ |
| 279 | } |
| 280 | |
| 281 | CODEC_INFO_SHOW(vendor_id); |
| 282 | CODEC_INFO_SHOW(subsystem_id); |
| 283 | CODEC_INFO_SHOW(revision_id); |
| 284 | CODEC_INFO_SHOW(afg); |
| 285 | CODEC_INFO_SHOW(mfg); |
Takashi Iwai | 812a2cc | 2009-05-16 10:00:49 +0200 | [diff] [blame] | 286 | CODEC_INFO_STR_SHOW(vendor_name); |
| 287 | CODEC_INFO_STR_SHOW(chip_name); |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 288 | CODEC_INFO_STR_SHOW(modelname); |
| 289 | |
| 290 | #define CODEC_INFO_STORE(type) \ |
| 291 | static ssize_t type##_store(struct device *dev, \ |
| 292 | struct device_attribute *attr, \ |
| 293 | const char *buf, size_t count) \ |
| 294 | { \ |
| 295 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); \ |
| 296 | struct hda_codec *codec = hwdep->private_data; \ |
Takashi Iwai | 014c41f | 2009-12-27 13:53:24 +0100 | [diff] [blame] | 297 | unsigned long val; \ |
Jingoo Han | b785a49 | 2013-07-19 16:24:59 +0900 | [diff] [blame] | 298 | int err = kstrtoul(buf, 0, &val); \ |
Takashi Iwai | 014c41f | 2009-12-27 13:53:24 +0100 | [diff] [blame] | 299 | if (err < 0) \ |
| 300 | return err; \ |
| 301 | codec->type = val; \ |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 302 | return count; \ |
| 303 | } |
| 304 | |
| 305 | #define CODEC_INFO_STR_STORE(type) \ |
| 306 | static ssize_t type##_store(struct device *dev, \ |
| 307 | struct device_attribute *attr, \ |
| 308 | const char *buf, size_t count) \ |
| 309 | { \ |
| 310 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); \ |
| 311 | struct hda_codec *codec = hwdep->private_data; \ |
| 312 | char *s = kstrndup_noeol(buf, 64); \ |
| 313 | if (!s) \ |
| 314 | return -ENOMEM; \ |
| 315 | kfree(codec->type); \ |
| 316 | codec->type = s; \ |
| 317 | return count; \ |
| 318 | } |
| 319 | |
| 320 | CODEC_INFO_STORE(vendor_id); |
| 321 | CODEC_INFO_STORE(subsystem_id); |
| 322 | CODEC_INFO_STORE(revision_id); |
Takashi Iwai | 812a2cc | 2009-05-16 10:00:49 +0200 | [diff] [blame] | 323 | CODEC_INFO_STR_STORE(vendor_name); |
| 324 | CODEC_INFO_STR_STORE(chip_name); |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 325 | CODEC_INFO_STR_STORE(modelname); |
| 326 | |
| 327 | #define CODEC_ACTION_STORE(type) \ |
| 328 | static ssize_t type##_store(struct device *dev, \ |
| 329 | struct device_attribute *attr, \ |
| 330 | const char *buf, size_t count) \ |
| 331 | { \ |
| 332 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); \ |
| 333 | struct hda_codec *codec = hwdep->private_data; \ |
| 334 | int err = 0; \ |
| 335 | if (*buf) \ |
| 336 | err = type##_codec(codec); \ |
| 337 | return err < 0 ? err : count; \ |
| 338 | } |
| 339 | |
| 340 | CODEC_ACTION_STORE(reconfig); |
| 341 | CODEC_ACTION_STORE(clear); |
| 342 | |
Takashi Iwai | ab1726f | 2009-03-02 17:09:25 +0100 | [diff] [blame] | 343 | static ssize_t init_verbs_show(struct device *dev, |
| 344 | struct device_attribute *attr, |
| 345 | char *buf) |
| 346 | { |
| 347 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); |
| 348 | struct hda_codec *codec = hwdep->private_data; |
| 349 | int i, len = 0; |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 350 | mutex_lock(&codec->user_mutex); |
Takashi Iwai | ab1726f | 2009-03-02 17:09:25 +0100 | [diff] [blame] | 351 | for (i = 0; i < codec->init_verbs.used; i++) { |
| 352 | struct hda_verb *v = snd_array_elem(&codec->init_verbs, i); |
| 353 | len += snprintf(buf + len, PAGE_SIZE - len, |
| 354 | "0x%02x 0x%03x 0x%04x\n", |
| 355 | v->nid, v->verb, v->param); |
| 356 | } |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 357 | mutex_unlock(&codec->user_mutex); |
Takashi Iwai | ab1726f | 2009-03-02 17:09:25 +0100 | [diff] [blame] | 358 | return len; |
| 359 | } |
| 360 | |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 361 | static int parse_init_verbs(struct hda_codec *codec, const char *buf) |
Takashi Iwai | 11aeff0 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 362 | { |
Takashi Iwai | 55290e1 | 2009-02-20 15:59:01 +0100 | [diff] [blame] | 363 | struct hda_verb *v; |
| 364 | int nid, verb, param; |
Takashi Iwai | 11aeff0 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 365 | |
Takashi Iwai | 55290e1 | 2009-02-20 15:59:01 +0100 | [diff] [blame] | 366 | if (sscanf(buf, "%i %i %i", &nid, &verb, ¶m) != 3) |
| 367 | return -EINVAL; |
| 368 | if (!nid || !verb) |
Takashi Iwai | 11aeff0 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 369 | return -EINVAL; |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 370 | mutex_lock(&codec->user_mutex); |
Takashi Iwai | 11aeff0 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 371 | v = snd_array_new(&codec->init_verbs); |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 372 | if (!v) { |
| 373 | mutex_unlock(&codec->user_mutex); |
Takashi Iwai | 11aeff0 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 374 | return -ENOMEM; |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 375 | } |
Takashi Iwai | 55290e1 | 2009-02-20 15:59:01 +0100 | [diff] [blame] | 376 | v->nid = nid; |
| 377 | v->verb = verb; |
| 378 | v->param = param; |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 379 | mutex_unlock(&codec->user_mutex); |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 380 | return 0; |
| 381 | } |
| 382 | |
| 383 | static ssize_t init_verbs_store(struct device *dev, |
| 384 | struct device_attribute *attr, |
| 385 | const char *buf, size_t count) |
| 386 | { |
| 387 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); |
| 388 | struct hda_codec *codec = hwdep->private_data; |
| 389 | int err = parse_init_verbs(codec, buf); |
| 390 | if (err < 0) |
| 391 | return err; |
Takashi Iwai | 11aeff0 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 392 | return count; |
| 393 | } |
| 394 | |
Takashi Iwai | ab1726f | 2009-03-02 17:09:25 +0100 | [diff] [blame] | 395 | static ssize_t hints_show(struct device *dev, |
| 396 | struct device_attribute *attr, |
| 397 | char *buf) |
| 398 | { |
| 399 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); |
| 400 | struct hda_codec *codec = hwdep->private_data; |
| 401 | int i, len = 0; |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 402 | mutex_lock(&codec->user_mutex); |
Takashi Iwai | ab1726f | 2009-03-02 17:09:25 +0100 | [diff] [blame] | 403 | for (i = 0; i < codec->hints.used; i++) { |
| 404 | struct hda_hint *hint = snd_array_elem(&codec->hints, i); |
| 405 | len += snprintf(buf + len, PAGE_SIZE - len, |
| 406 | "%s = %s\n", hint->key, hint->val); |
| 407 | } |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 408 | mutex_unlock(&codec->user_mutex); |
Takashi Iwai | ab1726f | 2009-03-02 17:09:25 +0100 | [diff] [blame] | 409 | return len; |
| 410 | } |
| 411 | |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 412 | static struct hda_hint *get_hint(struct hda_codec *codec, const char *key) |
| 413 | { |
| 414 | int i; |
| 415 | |
| 416 | for (i = 0; i < codec->hints.used; i++) { |
| 417 | struct hda_hint *hint = snd_array_elem(&codec->hints, i); |
| 418 | if (!strcmp(hint->key, key)) |
| 419 | return hint; |
| 420 | } |
| 421 | return NULL; |
| 422 | } |
| 423 | |
| 424 | static void remove_trail_spaces(char *str) |
| 425 | { |
| 426 | char *p; |
| 427 | if (!*str) |
| 428 | return; |
| 429 | p = str + strlen(str) - 1; |
| 430 | for (; isspace(*p); p--) { |
| 431 | *p = 0; |
| 432 | if (p == str) |
| 433 | return; |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | #define MAX_HINTS 1024 |
| 438 | |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 439 | static int parse_hints(struct hda_codec *codec, const char *buf) |
Takashi Iwai | 1e1be43 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 440 | { |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 441 | char *key, *val; |
| 442 | struct hda_hint *hint; |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 443 | int err = 0; |
Takashi Iwai | 1e1be43 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 444 | |
André Goddard Rosa | e7d2860 | 2009-12-14 18:01:06 -0800 | [diff] [blame] | 445 | buf = skip_spaces(buf); |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 446 | if (!*buf || *buf == '#' || *buf == '\n') |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 447 | return 0; |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 448 | if (*buf == '=') |
| 449 | return -EINVAL; |
| 450 | key = kstrndup_noeol(buf, 1024); |
| 451 | if (!key) |
Takashi Iwai | 1e1be43 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 452 | return -ENOMEM; |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 453 | /* extract key and val */ |
| 454 | val = strchr(key, '='); |
| 455 | if (!val) { |
| 456 | kfree(key); |
| 457 | return -EINVAL; |
| 458 | } |
| 459 | *val++ = 0; |
André Goddard Rosa | e7d2860 | 2009-12-14 18:01:06 -0800 | [diff] [blame] | 460 | val = skip_spaces(val); |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 461 | remove_trail_spaces(key); |
| 462 | remove_trail_spaces(val); |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 463 | mutex_lock(&codec->user_mutex); |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 464 | hint = get_hint(codec, key); |
| 465 | if (hint) { |
| 466 | /* replace */ |
| 467 | kfree(hint->key); |
| 468 | hint->key = key; |
| 469 | hint->val = val; |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 470 | goto unlock; |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 471 | } |
| 472 | /* allocate a new hint entry */ |
| 473 | if (codec->hints.used >= MAX_HINTS) |
| 474 | hint = NULL; |
| 475 | else |
| 476 | hint = snd_array_new(&codec->hints); |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 477 | if (hint) { |
| 478 | hint->key = key; |
| 479 | hint->val = val; |
| 480 | } else { |
| 481 | err = -ENOMEM; |
Takashi Iwai | 1e1be43 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 482 | } |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 483 | unlock: |
| 484 | mutex_unlock(&codec->user_mutex); |
| 485 | if (err) |
| 486 | kfree(key); |
| 487 | return err; |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 488 | } |
| 489 | |
| 490 | static ssize_t hints_store(struct device *dev, |
| 491 | struct device_attribute *attr, |
| 492 | const char *buf, size_t count) |
| 493 | { |
| 494 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); |
| 495 | struct hda_codec *codec = hwdep->private_data; |
| 496 | int err = parse_hints(codec, buf); |
| 497 | if (err < 0) |
| 498 | return err; |
Takashi Iwai | 1e1be43 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 499 | return count; |
| 500 | } |
| 501 | |
Takashi Iwai | 3be1414 | 2009-02-20 14:11:16 +0100 | [diff] [blame] | 502 | static ssize_t pin_configs_show(struct hda_codec *codec, |
| 503 | struct snd_array *list, |
| 504 | char *buf) |
| 505 | { |
| 506 | int i, len = 0; |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 507 | mutex_lock(&codec->user_mutex); |
Takashi Iwai | 3be1414 | 2009-02-20 14:11:16 +0100 | [diff] [blame] | 508 | for (i = 0; i < list->used; i++) { |
| 509 | struct hda_pincfg *pin = snd_array_elem(list, i); |
| 510 | len += sprintf(buf + len, "0x%02x 0x%08x\n", |
| 511 | pin->nid, pin->cfg); |
| 512 | } |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 513 | mutex_unlock(&codec->user_mutex); |
Takashi Iwai | 3be1414 | 2009-02-20 14:11:16 +0100 | [diff] [blame] | 514 | return len; |
| 515 | } |
| 516 | |
| 517 | static ssize_t init_pin_configs_show(struct device *dev, |
| 518 | struct device_attribute *attr, |
| 519 | char *buf) |
| 520 | { |
| 521 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); |
| 522 | struct hda_codec *codec = hwdep->private_data; |
| 523 | return pin_configs_show(codec, &codec->init_pins, buf); |
| 524 | } |
| 525 | |
Takashi Iwai | 346ff70 | 2009-02-23 09:42:57 +0100 | [diff] [blame] | 526 | static ssize_t user_pin_configs_show(struct device *dev, |
| 527 | struct device_attribute *attr, |
| 528 | char *buf) |
Takashi Iwai | 3be1414 | 2009-02-20 14:11:16 +0100 | [diff] [blame] | 529 | { |
| 530 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); |
| 531 | struct hda_codec *codec = hwdep->private_data; |
Takashi Iwai | 346ff70 | 2009-02-23 09:42:57 +0100 | [diff] [blame] | 532 | return pin_configs_show(codec, &codec->user_pins, buf); |
Takashi Iwai | 3be1414 | 2009-02-20 14:11:16 +0100 | [diff] [blame] | 533 | } |
| 534 | |
Takashi Iwai | 346ff70 | 2009-02-23 09:42:57 +0100 | [diff] [blame] | 535 | static ssize_t driver_pin_configs_show(struct device *dev, |
| 536 | struct device_attribute *attr, |
| 537 | char *buf) |
Takashi Iwai | 3be1414 | 2009-02-20 14:11:16 +0100 | [diff] [blame] | 538 | { |
| 539 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); |
| 540 | struct hda_codec *codec = hwdep->private_data; |
Takashi Iwai | 346ff70 | 2009-02-23 09:42:57 +0100 | [diff] [blame] | 541 | return pin_configs_show(codec, &codec->driver_pins, buf); |
Takashi Iwai | 3be1414 | 2009-02-20 14:11:16 +0100 | [diff] [blame] | 542 | } |
| 543 | |
| 544 | #define MAX_PIN_CONFIGS 32 |
| 545 | |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 546 | static int parse_user_pin_configs(struct hda_codec *codec, const char *buf) |
| 547 | { |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 548 | int nid, cfg, err; |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 549 | |
| 550 | if (sscanf(buf, "%i %i", &nid, &cfg) != 2) |
| 551 | return -EINVAL; |
| 552 | if (!nid) |
| 553 | return -EINVAL; |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 554 | mutex_lock(&codec->user_mutex); |
| 555 | err = snd_hda_add_pincfg(codec, &codec->user_pins, nid, cfg); |
| 556 | mutex_unlock(&codec->user_mutex); |
| 557 | return err; |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 558 | } |
| 559 | |
Takashi Iwai | 346ff70 | 2009-02-23 09:42:57 +0100 | [diff] [blame] | 560 | static ssize_t user_pin_configs_store(struct device *dev, |
| 561 | struct device_attribute *attr, |
| 562 | const char *buf, size_t count) |
Takashi Iwai | 3be1414 | 2009-02-20 14:11:16 +0100 | [diff] [blame] | 563 | { |
| 564 | struct snd_hwdep *hwdep = dev_get_drvdata(dev); |
| 565 | struct hda_codec *codec = hwdep->private_data; |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 566 | int err = parse_user_pin_configs(codec, buf); |
Takashi Iwai | 3be1414 | 2009-02-20 14:11:16 +0100 | [diff] [blame] | 567 | if (err < 0) |
| 568 | return err; |
| 569 | return count; |
| 570 | } |
| 571 | |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 572 | #define CODEC_ATTR_RW(type) \ |
| 573 | __ATTR(type, 0644, type##_show, type##_store) |
| 574 | #define CODEC_ATTR_RO(type) \ |
| 575 | __ATTR_RO(type) |
| 576 | #define CODEC_ATTR_WO(type) \ |
| 577 | __ATTR(type, 0200, NULL, type##_store) |
| 578 | |
| 579 | static struct device_attribute codec_attrs[] = { |
| 580 | CODEC_ATTR_RW(vendor_id), |
| 581 | CODEC_ATTR_RW(subsystem_id), |
| 582 | CODEC_ATTR_RW(revision_id), |
| 583 | CODEC_ATTR_RO(afg), |
| 584 | CODEC_ATTR_RO(mfg), |
Takashi Iwai | 812a2cc | 2009-05-16 10:00:49 +0200 | [diff] [blame] | 585 | CODEC_ATTR_RW(vendor_name), |
| 586 | CODEC_ATTR_RW(chip_name), |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 587 | CODEC_ATTR_RW(modelname), |
Takashi Iwai | ab1726f | 2009-03-02 17:09:25 +0100 | [diff] [blame] | 588 | CODEC_ATTR_RW(init_verbs), |
| 589 | CODEC_ATTR_RW(hints), |
Takashi Iwai | 3be1414 | 2009-02-20 14:11:16 +0100 | [diff] [blame] | 590 | CODEC_ATTR_RO(init_pin_configs), |
Takashi Iwai | 346ff70 | 2009-02-23 09:42:57 +0100 | [diff] [blame] | 591 | CODEC_ATTR_RW(user_pin_configs), |
| 592 | CODEC_ATTR_RO(driver_pin_configs), |
Takashi Iwai | d7ffba1 | 2008-07-30 15:01:46 +0200 | [diff] [blame] | 593 | CODEC_ATTR_WO(reconfig), |
| 594 | CODEC_ATTR_WO(clear), |
| 595 | }; |
| 596 | |
| 597 | /* |
| 598 | * create sysfs files on hwdep directory |
| 599 | */ |
| 600 | int snd_hda_hwdep_add_sysfs(struct hda_codec *codec) |
| 601 | { |
| 602 | struct snd_hwdep *hwdep = codec->hwdep; |
| 603 | int i; |
| 604 | |
| 605 | for (i = 0; i < ARRAY_SIZE(codec_attrs); i++) |
| 606 | snd_add_device_sysfs_file(SNDRV_DEVICE_TYPE_HWDEP, hwdep->card, |
| 607 | hwdep->device, &codec_attrs[i]); |
| 608 | return 0; |
| 609 | } |
Takashi Iwai | e7ee058 | 2008-11-21 09:26:20 +0100 | [diff] [blame] | 610 | |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 611 | /* |
| 612 | * Look for hint string |
| 613 | */ |
| 614 | const char *snd_hda_get_hint(struct hda_codec *codec, const char *key) |
| 615 | { |
| 616 | struct hda_hint *hint = get_hint(codec, key); |
| 617 | return hint ? hint->val : NULL; |
| 618 | } |
Takashi Iwai | 2698ea9 | 2013-12-18 07:45:52 +0100 | [diff] [blame] | 619 | EXPORT_SYMBOL_GPL(snd_hda_get_hint); |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 620 | |
| 621 | int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key) |
| 622 | { |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 623 | const char *p; |
| 624 | int ret; |
| 625 | |
| 626 | mutex_lock(&codec->user_mutex); |
| 627 | p = snd_hda_get_hint(codec, key); |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 628 | if (!p || !*p) |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 629 | ret = -ENOENT; |
| 630 | else { |
| 631 | switch (toupper(*p)) { |
| 632 | case 'T': /* true */ |
| 633 | case 'Y': /* yes */ |
| 634 | case '1': |
| 635 | ret = 1; |
| 636 | break; |
| 637 | default: |
| 638 | ret = 0; |
| 639 | break; |
| 640 | } |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 641 | } |
Takashi Iwai | 09b70e8 | 2013-01-10 18:21:56 +0100 | [diff] [blame] | 642 | mutex_unlock(&codec->user_mutex); |
| 643 | return ret; |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 644 | } |
Takashi Iwai | 2698ea9 | 2013-12-18 07:45:52 +0100 | [diff] [blame] | 645 | EXPORT_SYMBOL_GPL(snd_hda_get_bool_hint); |
Takashi Iwai | 43b6271 | 2009-03-02 14:25:17 +0100 | [diff] [blame] | 646 | |
Takashi Iwai | bc75972 | 2013-01-11 17:40:31 +0100 | [diff] [blame] | 647 | int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp) |
| 648 | { |
| 649 | const char *p; |
| 650 | unsigned long val; |
| 651 | int ret; |
| 652 | |
| 653 | mutex_lock(&codec->user_mutex); |
| 654 | p = snd_hda_get_hint(codec, key); |
| 655 | if (!p) |
| 656 | ret = -ENOENT; |
Jingoo Han | b785a49 | 2013-07-19 16:24:59 +0900 | [diff] [blame] | 657 | else if (kstrtoul(p, 0, &val)) |
Takashi Iwai | bc75972 | 2013-01-11 17:40:31 +0100 | [diff] [blame] | 658 | ret = -EINVAL; |
| 659 | else { |
| 660 | *valp = val; |
| 661 | ret = 0; |
| 662 | } |
| 663 | mutex_unlock(&codec->user_mutex); |
| 664 | return ret; |
| 665 | } |
Takashi Iwai | 2698ea9 | 2013-12-18 07:45:52 +0100 | [diff] [blame] | 666 | EXPORT_SYMBOL_GPL(snd_hda_get_int_hint); |
Takashi Iwai | e7ee058 | 2008-11-21 09:26:20 +0100 | [diff] [blame] | 667 | #endif /* CONFIG_SND_HDA_RECONFIG */ |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 668 | |
| 669 | #ifdef CONFIG_SND_HDA_PATCH_LOADER |
| 670 | |
| 671 | /* parser mode */ |
| 672 | enum { |
| 673 | LINE_MODE_NONE, |
| 674 | LINE_MODE_CODEC, |
| 675 | LINE_MODE_MODEL, |
| 676 | LINE_MODE_PINCFG, |
| 677 | LINE_MODE_VERB, |
| 678 | LINE_MODE_HINT, |
Takashi Iwai | b09f3e7 | 2010-01-28 00:01:53 +0100 | [diff] [blame] | 679 | LINE_MODE_VENDOR_ID, |
| 680 | LINE_MODE_SUBSYSTEM_ID, |
| 681 | LINE_MODE_REVISION_ID, |
| 682 | LINE_MODE_CHIP_NAME, |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 683 | NUM_LINE_MODES, |
| 684 | }; |
| 685 | |
| 686 | static inline int strmatch(const char *a, const char *b) |
| 687 | { |
| 688 | return strnicmp(a, b, strlen(b)) == 0; |
| 689 | } |
| 690 | |
| 691 | /* parse the contents after the line "[codec]" |
| 692 | * accept only the line with three numbers, and assign the current codec |
| 693 | */ |
| 694 | static void parse_codec_mode(char *buf, struct hda_bus *bus, |
| 695 | struct hda_codec **codecp) |
| 696 | { |
Takashi Iwai | ef940b0 | 2011-09-28 20:12:08 +0200 | [diff] [blame] | 697 | int vendorid, subid, caddr; |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 698 | struct hda_codec *codec; |
| 699 | |
| 700 | *codecp = NULL; |
| 701 | if (sscanf(buf, "%i %i %i", &vendorid, &subid, &caddr) == 3) { |
| 702 | list_for_each_entry(codec, &bus->codec_list, list) { |
Takashi Iwai | ef940b0 | 2011-09-28 20:12:08 +0200 | [diff] [blame] | 703 | if ((vendorid <= 0 || codec->vendor_id == vendorid) && |
| 704 | (subid <= 0 || codec->subsystem_id == subid) && |
David Henningsson | 2385b78 | 2010-06-02 16:56:41 +0200 | [diff] [blame] | 705 | codec->addr == caddr) { |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 706 | *codecp = codec; |
| 707 | break; |
| 708 | } |
| 709 | } |
| 710 | } |
| 711 | } |
| 712 | |
| 713 | /* parse the contents after the other command tags, [pincfg], [verb], |
Takashi Iwai | b09f3e7 | 2010-01-28 00:01:53 +0100 | [diff] [blame] | 714 | * [vendor_id], [subsystem_id], [revision_id], [chip_name], [hint] and [model] |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 715 | * just pass to the sysfs helper (only when any codec was specified) |
| 716 | */ |
| 717 | static void parse_pincfg_mode(char *buf, struct hda_bus *bus, |
| 718 | struct hda_codec **codecp) |
| 719 | { |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 720 | parse_user_pin_configs(*codecp, buf); |
| 721 | } |
| 722 | |
| 723 | static void parse_verb_mode(char *buf, struct hda_bus *bus, |
| 724 | struct hda_codec **codecp) |
| 725 | { |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 726 | parse_init_verbs(*codecp, buf); |
| 727 | } |
| 728 | |
| 729 | static void parse_hint_mode(char *buf, struct hda_bus *bus, |
| 730 | struct hda_codec **codecp) |
| 731 | { |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 732 | parse_hints(*codecp, buf); |
| 733 | } |
| 734 | |
| 735 | static void parse_model_mode(char *buf, struct hda_bus *bus, |
| 736 | struct hda_codec **codecp) |
| 737 | { |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 738 | kfree((*codecp)->modelname); |
| 739 | (*codecp)->modelname = kstrdup(buf, GFP_KERNEL); |
| 740 | } |
| 741 | |
Takashi Iwai | b09f3e7 | 2010-01-28 00:01:53 +0100 | [diff] [blame] | 742 | static void parse_chip_name_mode(char *buf, struct hda_bus *bus, |
| 743 | struct hda_codec **codecp) |
| 744 | { |
| 745 | kfree((*codecp)->chip_name); |
| 746 | (*codecp)->chip_name = kstrdup(buf, GFP_KERNEL); |
| 747 | } |
| 748 | |
| 749 | #define DEFINE_PARSE_ID_MODE(name) \ |
| 750 | static void parse_##name##_mode(char *buf, struct hda_bus *bus, \ |
| 751 | struct hda_codec **codecp) \ |
| 752 | { \ |
| 753 | unsigned long val; \ |
Jingoo Han | b785a49 | 2013-07-19 16:24:59 +0900 | [diff] [blame] | 754 | if (!kstrtoul(buf, 0, &val)) \ |
Takashi Iwai | b09f3e7 | 2010-01-28 00:01:53 +0100 | [diff] [blame] | 755 | (*codecp)->name = val; \ |
| 756 | } |
| 757 | |
| 758 | DEFINE_PARSE_ID_MODE(vendor_id); |
| 759 | DEFINE_PARSE_ID_MODE(subsystem_id); |
| 760 | DEFINE_PARSE_ID_MODE(revision_id); |
| 761 | |
| 762 | |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 763 | struct hda_patch_item { |
| 764 | const char *tag; |
| 765 | void (*parser)(char *buf, struct hda_bus *bus, struct hda_codec **retc); |
Takashi Iwai | b09f3e7 | 2010-01-28 00:01:53 +0100 | [diff] [blame] | 766 | int need_codec; |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 767 | }; |
| 768 | |
| 769 | static struct hda_patch_item patch_items[NUM_LINE_MODES] = { |
Takashi Iwai | b09f3e7 | 2010-01-28 00:01:53 +0100 | [diff] [blame] | 770 | [LINE_MODE_CODEC] = { "[codec]", parse_codec_mode, 0 }, |
| 771 | [LINE_MODE_MODEL] = { "[model]", parse_model_mode, 1 }, |
| 772 | [LINE_MODE_VERB] = { "[verb]", parse_verb_mode, 1 }, |
| 773 | [LINE_MODE_PINCFG] = { "[pincfg]", parse_pincfg_mode, 1 }, |
| 774 | [LINE_MODE_HINT] = { "[hint]", parse_hint_mode, 1 }, |
| 775 | [LINE_MODE_VENDOR_ID] = { "[vendor_id]", parse_vendor_id_mode, 1 }, |
| 776 | [LINE_MODE_SUBSYSTEM_ID] = { "[subsystem_id]", parse_subsystem_id_mode, 1 }, |
| 777 | [LINE_MODE_REVISION_ID] = { "[revision_id]", parse_revision_id_mode, 1 }, |
| 778 | [LINE_MODE_CHIP_NAME] = { "[chip_name]", parse_chip_name_mode, 1 }, |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 779 | }; |
| 780 | |
| 781 | /* check the line starting with '[' -- change the parser mode accodingly */ |
| 782 | static int parse_line_mode(char *buf, struct hda_bus *bus) |
| 783 | { |
| 784 | int i; |
| 785 | for (i = 0; i < ARRAY_SIZE(patch_items); i++) { |
| 786 | if (!patch_items[i].tag) |
| 787 | continue; |
| 788 | if (strmatch(buf, patch_items[i].tag)) |
| 789 | return i; |
| 790 | } |
| 791 | return LINE_MODE_NONE; |
| 792 | } |
| 793 | |
| 794 | /* copy one line from the buffer in fw, and update the fields in fw |
| 795 | * return zero if it reaches to the end of the buffer, or non-zero |
| 796 | * if successfully copied a line |
| 797 | * |
| 798 | * the spaces at the beginning and the end of the line are stripped |
| 799 | */ |
Takashi Iwai | 4918cda | 2012-08-09 12:33:28 +0200 | [diff] [blame] | 800 | static int get_line_from_fw(char *buf, int size, size_t *fw_size_p, |
| 801 | const void **fw_data_p) |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 802 | { |
| 803 | int len; |
Takashi Iwai | 4918cda | 2012-08-09 12:33:28 +0200 | [diff] [blame] | 804 | size_t fw_size = *fw_size_p; |
| 805 | const char *p = *fw_data_p; |
| 806 | |
| 807 | while (isspace(*p) && fw_size) { |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 808 | p++; |
Takashi Iwai | 4918cda | 2012-08-09 12:33:28 +0200 | [diff] [blame] | 809 | fw_size--; |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 810 | } |
Takashi Iwai | 4918cda | 2012-08-09 12:33:28 +0200 | [diff] [blame] | 811 | if (!fw_size) |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 812 | return 0; |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 813 | |
Takashi Iwai | 4918cda | 2012-08-09 12:33:28 +0200 | [diff] [blame] | 814 | for (len = 0; len < fw_size; len++) { |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 815 | if (!*p) |
| 816 | break; |
| 817 | if (*p == '\n') { |
| 818 | p++; |
| 819 | len++; |
| 820 | break; |
| 821 | } |
| 822 | if (len < size) |
| 823 | *buf++ = *p++; |
| 824 | } |
| 825 | *buf = 0; |
Takashi Iwai | 4918cda | 2012-08-09 12:33:28 +0200 | [diff] [blame] | 826 | *fw_size_p = fw_size - len; |
| 827 | *fw_data_p = p; |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 828 | remove_trail_spaces(buf); |
| 829 | return 1; |
| 830 | } |
| 831 | |
| 832 | /* |
| 833 | * load a "patch" firmware file and parse it |
| 834 | */ |
Takashi Iwai | 4918cda | 2012-08-09 12:33:28 +0200 | [diff] [blame] | 835 | int snd_hda_load_patch(struct hda_bus *bus, size_t fw_size, const void *fw_buf) |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 836 | { |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 837 | char buf[128]; |
| 838 | struct hda_codec *codec; |
| 839 | int line_mode; |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 840 | |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 841 | line_mode = LINE_MODE_NONE; |
| 842 | codec = NULL; |
Takashi Iwai | 4918cda | 2012-08-09 12:33:28 +0200 | [diff] [blame] | 843 | while (get_line_from_fw(buf, sizeof(buf) - 1, &fw_size, &fw_buf)) { |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 844 | if (!*buf || *buf == '#' || *buf == '\n') |
| 845 | continue; |
| 846 | if (*buf == '[') |
| 847 | line_mode = parse_line_mode(buf, bus); |
Takashi Iwai | b09f3e7 | 2010-01-28 00:01:53 +0100 | [diff] [blame] | 848 | else if (patch_items[line_mode].parser && |
| 849 | (codec || !patch_items[line_mode].need_codec)) |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 850 | patch_items[line_mode].parser(buf, bus, &codec); |
| 851 | } |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 852 | return 0; |
| 853 | } |
Takashi Iwai | 2698ea9 | 2013-12-18 07:45:52 +0100 | [diff] [blame] | 854 | EXPORT_SYMBOL_GPL(snd_hda_load_patch); |
Takashi Iwai | 4ea6fbc | 2009-06-17 09:52:54 +0200 | [diff] [blame] | 855 | #endif /* CONFIG_SND_HDA_PATCH_LOADER */ |