diff options
Diffstat (limited to 'sound/soc/sprd/sprd-asoc-common.c')
| -rwxr-xr-x | sound/soc/sprd/sprd-asoc-common.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/sound/soc/sprd/sprd-asoc-common.c b/sound/soc/sprd/sprd-asoc-common.c new file mode 100755 index 00000000..c6c0af1f --- /dev/null +++ b/sound/soc/sprd/sprd-asoc-common.c @@ -0,0 +1,167 @@ +/* + * sound/soc/sprd/sprd-asoc-common.c + * + * SPRD ASoC Common implement -- SpreadTrum ASOC Common. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include "sprd-asoc-debug.h" +#define pr_fmt(fmt) pr_sprd_fmt(" COM ") fmt +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/string.h> +#include <linux/sysfs.h> +#include <linux/stat.h> +#include <linux/atomic.h> +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/io.h> + +#include <sound/soc.h> +#include <sound/info.h> +#include <sound/sprd-audio-hook.h> + +#include "sprd-asoc-common.h" + +static struct sprd_audio_ext_hook *sprd_audio_hook = 0; + +int sprd_ext_hook_register(struct sprd_audio_ext_hook *hook) +{ + if (sprd_audio_hook) { + pr_err("ERR:Already Registed Hook\n"); + return -1; + } + sprd_audio_hook = hook; + return 0; +} + +EXPORT_SYMBOL(sprd_ext_hook_register); + +int sprd_ext_hook_unregister(struct sprd_audio_ext_hook *hook) +{ + if (sprd_audio_hook != hook) { + pr_err("ERR:Maybe Unregister other's Hook?\n"); + return -1; + } + sprd_audio_hook = 0; + return 0; +} + +EXPORT_SYMBOL(sprd_ext_hook_unregister); + +#define SAFE_CALL(func) do { \ + if (func) { \ + ret = func(id, on); \ + } \ +} while(0) + +int sprd_ext_speaker_ctrl(int id, int on) +{ + int ret = NO_HOOK; + sp_asoc_pr_dbg("external Speaker(%d) Hook; on=%d\n", id, on); + if (sprd_audio_hook) + SAFE_CALL(sprd_audio_hook->ext_speaker_ctrl); + return ret; +} + +EXPORT_SYMBOL(sprd_ext_speaker_ctrl); + +int sprd_ext_headphone_ctrl(int id, int on) +{ + int ret = NO_HOOK; + sp_asoc_pr_dbg("external Headphone(%d) Hook; on=%d\n", id, on); + if (sprd_audio_hook) + SAFE_CALL(sprd_audio_hook->ext_headphone_ctrl); + return ret; +} + +EXPORT_SYMBOL(sprd_ext_headphone_ctrl); + +int sprd_ext_earpiece_ctrl(int id, int on) +{ + int ret = NO_HOOK; + sp_asoc_pr_dbg("external Earpiece(%d) Hook; on=%d\n", id, on); + if (sprd_audio_hook) + SAFE_CALL(sprd_audio_hook->ext_earpiece_ctrl); + return ret; +} + +EXPORT_SYMBOL(sprd_ext_earpiece_ctrl); + +int sprd_ext_mic_ctrl(int id, int on) +{ + int ret = NO_HOOK; + sp_asoc_pr_dbg("external MIC(%d) Hook; on=%d\n", id, on); + if (sprd_audio_hook) + SAFE_CALL(sprd_audio_hook->ext_mic_ctrl); + return ret; +} + +EXPORT_SYMBOL(sprd_ext_mic_ctrl); + +int sprd_ext_fm_ctrl(int id, int on) +{ + int ret = NO_HOOK; + sp_asoc_pr_dbg("external FM(%d) Hook; on=%d\n", id, on); + if (sprd_audio_hook) + SAFE_CALL(sprd_audio_hook->ext_fm_ctrl); + return ret; +} + +EXPORT_SYMBOL(sprd_ext_fm_ctrl); + +/* spreadtrum audio debug */ + +static int sp_audio_debug_flag = SP_AUDIO_DEBUG_DEFAULT; + +inline int get_sp_audio_debug_flag(void) +{ + return sp_audio_debug_flag; +} + +EXPORT_SYMBOL(get_sp_audio_debug_flag); + +static void snd_pcm_sprd_debug_read(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + int *p_sp_audio_debug_flag = entry->private_data; + snd_iprintf(buffer, "0x%08x\n", *p_sp_audio_debug_flag); +} + +static void snd_pcm_sprd_debug_write(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + int *p_sp_audio_debug_flag = entry->private_data; + char line[64]; + if (!snd_info_get_line(buffer, line, sizeof(line))) + *p_sp_audio_debug_flag = simple_strtoul(line, NULL, 16); +} + +int sprd_audio_debug_init(struct snd_card *card) +{ + struct snd_info_entry *entry; + if ((entry = snd_info_create_card_entry(card, "asoc-sprd-debug", + card->proc_root)) != NULL) { + entry->c.text.read = snd_pcm_sprd_debug_read; + entry->c.text.write = snd_pcm_sprd_debug_write; + entry->mode |= S_IWUSR; + entry->private_data = &sp_audio_debug_flag; + if (snd_info_register(entry) < 0) { + snd_info_free_entry(entry); + entry = NULL; + } + } + return 0; +} + +EXPORT_SYMBOL(sprd_audio_debug_init); |