From 936f53e69c09d7ea6bd8ddefebc1d06ada5f73fd Mon Sep 17 00:00:00 2001 From: John Crispin Date: Tue, 5 Aug 2008 00:33:04 +0000 Subject: EOF for fonera-mp3 packages SVN-Revision: 12113 --- package/fonera-mp3-drv/src/mp3_drv.c | 325 ----------------------------------- 1 file changed, 325 deletions(-) delete mode 100644 package/fonera-mp3-drv/src/mp3_drv.c (limited to 'package/fonera-mp3-drv/src/mp3_drv.c') diff --git a/package/fonera-mp3-drv/src/mp3_drv.c b/package/fonera-mp3-drv/src/mp3_drv.c deleted file mode 100644 index 82863ac411..0000000000 --- a/package/fonera-mp3-drv/src/mp3_drv.c +++ /dev/null @@ -1,325 +0,0 @@ -/* -* a.lp_mp3 - VS1011B driver for Fonera -* Copyright (c) 2007 phrozen.org - John Crispin -* -* This program is free software; you can redistribute it and/or modify -* it under the terms of the GNU General Public License as published by -* the Free Software Foundation; either version 2 of the License, or -* (at your option) any later version. -* -* 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. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software -* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA -* -* Feedback, Bugs... john@phrozen.org -* -*/ - - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -// do we want debuging info ? -#if 0 -#define DBG(x) x -#else -#define DBG(x) -#endif - -#define MP3_CHUNK_SIZE 4096 -#define MP3_BUFFERING 0 -#define MP3_PLAYING 1 -#define MP3_BUFFER_FINISHED 2 -#define MP3_PLAY_FINISHED 3 -typedef struct _MP3_DATA{ - unsigned char mp3[MP3_CHUNK_SIZE]; - unsigned char state; -} MP3_DATA; - -#define IOCTL_MP3_INIT 0x01 -#define IOCTL_MP3_RESET 0x02 -#define IOCTL_MP3_SETVOLUME 0x03 -#define IOCTL_MP3_GETVOLUME 0x04 - -typedef struct _AUDIO_DATA{ - unsigned int bitrate; - unsigned int sample_rate; - unsigned char is_stereo; -}AUDIO_DATA; -#define IOCTL_MP3_GETAUDIODATA 0x05 -#define IOCTL_MP3_CLEARBUFFER 0x06 -#define IOCTL_MP3_PLAY 0x07 - -typedef struct _MP3_BEEP{ - unsigned char freq; - unsigned int ms; -} MP3_BEEP; -#define IOCTL_MP3_BEEP 0x08 -#define IOCTL_MP3_END_REACHED 0x09 -#define IOCTL_MP3_BASS 0x10 - -#define CRYSTAL12288 0x9800 -#define CRYSTAL24576 0x0 - -#define DEV_NAME "mp3" -#define DEV_MAJOR 196 -#define MAX_MP3_COUNT 1 - -typedef struct _mp3_inf{ - unsigned char is_open; -} mp3_inf; -static mp3_inf mp3_info[MAX_MP3_COUNT]; - -#define MP3_BUFFER_SIZE (128 * 1024) -unsigned char mp3_buffer[MP3_BUFFER_SIZE]; - -static unsigned long int mp3_buffer_offset_write = 0; -static unsigned long int mp3_buffer_offset_read = 0; -static unsigned char mp3_buffering_status = MP3_BUFFERING; -static unsigned long int mp3_data_in_buffer = 0; -static int mp3_thread = 0; -unsigned int crystal_freq; - -#include "vs10xx.c" - -static wait_queue_head_t wq; -static DECLARE_COMPLETION(mp3_exit); - -static int mp3_playback_thread(void *data){ - int j; - unsigned long timeout; - unsigned char empty = 0; - printk("started kthread\n"); - daemonize("kmp3"); - while(mp3_buffering_status != MP3_PLAY_FINISHED){ - if((mp3_buffering_status == MP3_PLAYING) || (mp3_buffering_status == MP3_BUFFER_FINISHED)){ - while((VS1011_NEEDS_DATA) && (!empty)){ - if(mp3_buffer_offset_read == MP3_BUFFER_SIZE){ - mp3_buffer_offset_read = 0; - } - - if(mp3_data_in_buffer == 0){ - if(mp3_buffering_status == MP3_BUFFER_FINISHED){ - printk("mp3_drv.ko : finished playing\n"); - mp3_buffering_status = MP3_PLAY_FINISHED; - } else { - empty = 1; - printk("mp3_drv.ko : buffer empty ?\n"); - if(mp3_buffering_status != MP3_PLAY_FINISHED){ - } - } - } else { - for(j = 0; j < 32; j++){ - VS1011_send_SDI(mp3_buffer[mp3_buffer_offset_read + j]); - } - mp3_buffer_offset_read += 32; - mp3_data_in_buffer -= 32; - } - } - } - empty = 0; - timeout = 1; - timeout = wait_event_interruptible_timeout(wq, (timeout==0), timeout); - } - complete_and_exit(&mp3_exit, 0); -} - -static ssize_t module_write(struct file * file, const char * buffer, size_t count, loff_t *offset){ - MP3_DATA mp3_data; - - copy_from_user((char*) &mp3_data, buffer, sizeof(MP3_DATA)); - - if(mp3_data.state == MP3_BUFFER_FINISHED){ - mp3_buffering_status = MP3_BUFFER_FINISHED; - DBG(printk("mp3_drv.ko : file end reached\n")); - return 1; - } - - if(mp3_data.state == MP3_PLAY_FINISHED){ - mp3_buffering_status = MP3_PLAY_FINISHED; - mp3_data_in_buffer = 0; - DBG(printk("mp3_drv.ko : stop playing\n")); - return 1; - } - - if(mp3_data_in_buffer + MP3_CHUNK_SIZE >= MP3_BUFFER_SIZE){ - DBG(printk("mp3_drv.ko : buffer is full? %ld\n", mp3_data_in_buffer);) - return 0; - } - - if(mp3_buffer_offset_write == MP3_BUFFER_SIZE){ - mp3_buffer_offset_write = 0; - } - - memcpy(&mp3_buffer[mp3_buffer_offset_write], mp3_data.mp3, MP3_CHUNK_SIZE); - mp3_buffer_offset_write += MP3_CHUNK_SIZE; - mp3_buffering_status = mp3_data.state; - mp3_data_in_buffer += MP3_CHUNK_SIZE; - return 1; -} - -static int module_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg){ - unsigned int retval = 0; - AUDIO_DATA audio_data; - MP3_BEEP mp3_beep; - DBG(printk("mp3_drv.ko : Ioctl Called (cmd=%d)\n", cmd );) - switch (cmd) { - case IOCTL_MP3_INIT: - crystal_freq = arg; - VS1011_init(crystal_freq, 1); - VS1011_print_registers(); - break; - - case IOCTL_MP3_RESET: - DBG(printk("mp3_drv.ko : doing a sw reset\n");) - VS1011_init(crystal_freq, 0); - VS1011_print_registers(); - VS1011_send_zeros(0x20); - break; - - case IOCTL_MP3_SETVOLUME: - DBG(printk("mp3_drv.ko : setting volume to : %lu\n", arg&0xffff);) - VS1011_set_volume(arg); - break; - - case IOCTL_MP3_GETVOLUME: - retval = VS1011_get_volume(); - DBG(printk("mp3_drv.ko : read volume : %d\n", retval);) - break; - - case IOCTL_MP3_GETAUDIODATA: - DBG(printk("mp3_drv.ko : read audio data\n");) - VS1011_get_audio_data(&audio_data); - copy_to_user((char*)arg, (char*)&audio_data, sizeof(AUDIO_DATA)); - break; - - case IOCTL_MP3_CLEARBUFFER: - DBG(printk("mp3_drv.ko : clearing buffer\n");) - mp3_buffer_offset_read = 0; - mp3_buffer_offset_write = 0; - mp3_buffering_status = MP3_PLAY_FINISHED; - mp3_data_in_buffer = 0; - break; - - case IOCTL_MP3_PLAY: - mp3_thread = kernel_thread(mp3_playback_thread, NULL, CLONE_KERNEL); - break; - - case IOCTL_MP3_BEEP: - copy_from_user((char*)&mp3_beep, (char*)arg, sizeof(MP3_BEEP)); - VS1011_sine(1,mp3_beep.freq); - msDelay(mp3_beep.ms); - VS1011_sine(0,0); - break; - - case IOCTL_MP3_END_REACHED: - if(mp3_buffering_status == MP3_PLAY_FINISHED){ - retval = 1; - } - break; - - case IOCTL_MP3_BASS: - VS1011_set_bass(arg); - break; - - default: - printk("mp3_drv.ko : unknown ioctl\n"); - break; - - } - return retval; -} - -static int module_open(struct inode *inode, struct file *file){ - unsigned int dev_minor = MINOR(inode->i_rdev); - if(dev_minor != 0){ - printk("mp3_drv.ko : trying to access unknown minor device -> %d\n", dev_minor); - return -ENODEV; - } - if(mp3_info[dev_minor].is_open) { - printk("mp3_drv.ko : Device with minor ID %d already in use\n", dev_minor); - return -EBUSY; - } - mp3_info[dev_minor].is_open = 1; - - mp3_buffering_status = MP3_PLAY_FINISHED; - printk("mp3_drv.ko : Minor %d has been opened\n", dev_minor); - return 0; -} - -static int module_close(struct inode * inode, struct file * file){ - unsigned int dev_minor = MINOR(inode->i_rdev); - mp3_info[dev_minor].is_open = 0; - printk("mp3_drv.ko : Minor %d has been closed\n", dev_minor); - mp3_buffering_status = MP3_PLAY_FINISHED; - return 0; -} - -struct file_operations modulemp3_fops = { - write: module_write, - ioctl: module_ioctl, - open: module_open, - release: module_close -}; - -static struct class *mp3_class; - -static int __init mod_init(void){ - printk("mp3_drv.ko : VS1011b Driver\n"); - printk("mp3_drv.ko : Made by John '2B|!2B' Crispin (john@phrozen.org)\n"); - printk("mp3_drv.ko : Starting ...\n"); - - printk("disabling atheros reset button irq\n"); - - ar531x_disable_reset_button(); - - if(register_chrdev(DEV_MAJOR, DEV_NAME, &modulemp3_fops)) { - printk( "mp3_drv.ko : Error whilst opening %s (%d)\n", DEV_NAME, DEV_MAJOR); - return( -ENODEV ); - } - - printk("mp3_drv.ko : using sysfs to create device nodes\n"); - mp3_class = class_create(THIS_MODULE, DEV_NAME); - class_device_create(mp3_class, NULL, - MKDEV(DEV_MAJOR, 0), - NULL, DEV_NAME); - - mp3_info[0].is_open = 0; - printk("mp3_drv.ko : Device %s registered for major ID %d\n", DEV_NAME, DEV_MAJOR); - crystal_freq = CRYSTAL12288; - VS1011_init(crystal_freq, 1); - VS1011_print_registers(); - printk("end of init\n"); - init_waitqueue_head(&wq); - printk("wait queue started\n"); - return 0; -} - -static void __exit mod_exit(void){ - printk( "mp3_drv.ko : Cleanup\n" ); - unregister_chrdev(DEV_MAJOR, DEV_NAME); -} - -module_init (mod_init); -module_exit (mod_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("K. John '2B|!2B' Crispin"); -MODULE_DESCRIPTION("vs1011 Driver for Fox Board"); - - - -- cgit v1.2.3