diff options
Diffstat (limited to 'package/fonera-mp3-drv/src/vs10xx.c')
| -rw-r--r-- | package/fonera-mp3-drv/src/vs10xx.c | 328 |
1 files changed, 0 insertions, 328 deletions
diff --git a/package/fonera-mp3-drv/src/vs10xx.c b/package/fonera-mp3-drv/src/vs10xx.c deleted file mode 100644 index e7b7f68c1..000000000 --- a/package/fonera-mp3-drv/src/vs10xx.c +++ /dev/null @@ -1,328 +0,0 @@ -/* - * a.lp_mp3 - VS1011B driver for Fonera - * Copyright (c) 2007 phrozen.org - John Crispin <john@phrozen.org> - * - * 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.... mail john@phrozen.org - * - */ - -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/ioport.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/fs.h> -#include <linux/string.h> -#include <linux/poll.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/delay.h> - -#include <asm/io.h> -#include <asm/system.h> -#include <asm/irq.h> -#include "ar531xlnx.h" - -#define AR5315_DSLBASE 0xB1000000 -#define AR5315_GPIO_DI (AR5315_DSLBASE + 0x0088) -#define AR5315_GPIO_DO (AR5315_DSLBASE + 0x0090) -#define AR5315_GPIO_CR (AR5315_DSLBASE + 0x0098) -#define AR5315_GPIO_INT (AR5315_DSLBASE + 0x00a0) - -#define GPIO_0 1<<0 -#define GPIO_1 1<<1 -#define GPIO_2 1<<2 -#define GPIO_3 1<<3 -#define GPIO_4 1<<4 -#define GPIO_6 1<<6 -#define GPIO_7 1<<7 - -#define DREQ ((unsigned int)GPIO_7) -#define SCK ((unsigned int)GPIO_1) -#define SI ((unsigned int)GPIO_4) -#define BSYNC ((unsigned int)GPIO_3) -#define CS ((unsigned int)GPIO_0) -#define SO ((unsigned int)GPIO_6) -#define RES ((unsigned int)GPIO_2) - -#define REG_MODE 0x0 -#define REG_STATUS 0x1 -#define REG_BASS 0x2 -#define REG_CLOCKF 0x3 -#define REG_DECODETIME 0x4 -#define REG_AUDATA 0x5 -#define REG_WRAM 0x6 -#define REG_WRAMADDR 0x7 -#define REG_HDAT0 0x8 -#define REG_HDAT1 0x9 -#define REG_A1ADDR 0xa -#define REG_VOL 0xb -#define REG_A1CTRL0 0xc -#define REG_A1CTRL1 0xd -#define REG_A1CTRL2 0xe - -#define VS1011_NEEDS_DATA spi_get_bit(DREQ) -#define VS1011_NEEDS_NO_DATA (spi_get_bit(DREQ)== 0x00) -#define VS1011_WHILE_NEEDS_NO_DATA while(spi_get_bit(DREQ)== 0x00){} - -#define VS_CS_LO spi_clear_bit(CS) -#define VS_CS_HI spi_set_bit(CS) - -#define VS_BSYNC_LO spi_clear_bit(BSYNC) -#define VS_BSYNC_HI spi_set_bit(BSYNC) - -#define VS_RESET_LO spi_clear_bit(RES) -#define VS_RESET_HI spi_set_bit(RES) - -#define VS1011_READ SPI_io_vs1011b(0x03) -#define VS1011_WRITE SPI_io_vs1011b(0x02) - -void msDelay(int ms) { - int i,a; - int delayvar=10; - - for (a=0;a<ms;a++) { - for (i=0;i<33084;i++) { - delayvar*=2; - delayvar/=2; - } - } -} - -int spi_get_bit(unsigned int pin){ - return ((sysRegRead(AR5315_GPIO_DI)&pin)?(1):(0)); -} - -void spi_set_bit(unsigned int pin){ - sysRegWrite(AR5315_GPIO_DO, (sysRegRead(AR5315_GPIO_DO) | pin)); -} - -void spi_clear_bit(unsigned int pin){ - sysRegWrite(AR5315_GPIO_DO, (sysRegRead(AR5315_GPIO_DO) & ~pin)); -} - -void SPI_clock_vs1011b(void){ - spi_clear_bit(SCK); - spi_set_bit(SCK); -} - -unsigned char SPI_io_vs1011b(unsigned char byte){ - int i; - unsigned char this_bit; - unsigned char byte_out = 0; - for(i = 7; i>=0; i--){ - if(byte & (1<<i)){ - this_bit = 1; - } else { - this_bit = 0; - } - if(this_bit){ - spi_set_bit(SI); - } else { - spi_clear_bit(SI); - } - SPI_clock_vs1011b(); - byte_out += spi_get_bit(SO)<<i; - } - return byte_out; -} - -void SPI_init_vs1011(void){ - sysRegWrite(AR5315_GPIO_CR, (sysRegRead(AR5315_GPIO_CR) | SI | SCK | CS | BSYNC | RES) & ~(SO|DREQ)); - spi_clear_bit(SCK); - spi_clear_bit(SI); - VS_CS_HI; - VS_BSYNC_HI; -} - -void VS1011_send_SCI(unsigned char reg, unsigned int data){ - VS_CS_LO; - VS1011_WRITE; - SPI_io_vs1011b(reg); - SPI_io_vs1011b((data>>8)&0xff); - SPI_io_vs1011b(data&0xff); - VS_CS_HI; -} - -unsigned int VS1011_read_SCI(unsigned char reg){ - unsigned int data; - VS_CS_LO; - VS1011_READ; - SPI_io_vs1011b(reg); - data = 0; - data = SPI_io_vs1011b(0x00); - data <<= 8; - data += SPI_io_vs1011b(0x00); - VS_CS_HI; - return data; -} - -void VS1011_send_SDI(unsigned char byte){ - int i; - VS_BSYNC_LO; - for(i = 7; i>=0; i--){ - if(byte & (1<<i)){ - spi_set_bit(SI); - - } else { - spi_clear_bit(SI); - } - spi_clear_bit(SCK); - spi_set_bit(SCK); - } - VS_BSYNC_HI; -} - -void VS1011_send_SDI_32(unsigned char* data){ - int i; - VS1011_WHILE_NEEDS_NO_DATA; - for(i=0; i<32; i++){ - VS1011_send_SDI(data[i]); - } -} - -void VS1011_send_zeros(unsigned char count){ - do{ - VS1011_send_SDI(0x0); - count--; - }while(count); -} - -void VS1011_set_volume(unsigned int vol){ - VS1011_send_SCI(REG_VOL, vol); -} - -void VS1011_SW_reset(unsigned int _crystal_freq){ - unsigned int regval = 0x0804; - unsigned long int i = 0; - msDelay(100); - VS1011_send_zeros(32); - VS1011_send_SCI(REG_MODE, regval); - msDelay(10); - while((VS1011_NEEDS_NO_DATA) && (i++<0xffff)){}; - VS1011_send_SCI(REG_CLOCKF, _crystal_freq); - VS1011_send_zeros(16); - VS1011_set_volume(0x00); -} - -void VS1011_HW_reset(void){ - - VS_RESET_LO; - msDelay(1); - VS_RESET_HI; - msDelay(1); -} - -void VS1011_init(unsigned int _crystal_freq, unsigned char hw){ - if(hw){ - SPI_init_vs1011(); - } - printk("mp3_drv.ko : Init start\n"); - if(hw){ - VS1011_HW_reset(); - } - VS1011_SW_reset(_crystal_freq); - printk("mp3_drv.ko : init_ok\n"); -} - -void VS1011_sine(unsigned char state, unsigned char freq){ - VS1011_send_zeros(16); - if(state == 0x01){ - VS1011_send_SDI(0x53); - VS1011_send_SDI(0xEF); - VS1011_send_SDI(0x6E); - VS1011_send_SDI(freq); - VS1011_send_zeros(0x04); - } else { - VS1011_send_SDI(0x45); - VS1011_send_SDI(0x78); - VS1011_send_SDI(0x69); - VS1011_send_SDI(0x74); - VS1011_send_zeros(0x04); - } -} - -unsigned int VS1011_get_volume(void){ - return VS1011_read_SCI(REG_VOL); -} - -unsigned int VS1011_get_decode_time(void){ - return VS1011_read_SCI(REG_DECODETIME); -} - -const unsigned int sample_rate_values[] = {0, 44100, 48000, 32000, 22050, 24000, 16000, 11025, 12000, 8000}; - -void VS1011_get_audio_data(AUDIO_DATA* audio){ - unsigned int audata = VS1011_read_SCI(REG_AUDATA); - audio->sample_rate = sample_rate_values[(audata&0x1E00)>>9]; - audio->bitrate = audata&0x1FF; - audio->is_stereo = (audata&0x8000)>>15; -} - -void VS1011_print_registers(void){ - unsigned char i; - for(i = 0; i< 14; i++){ - unsigned int regval = VS1011_read_SCI(i); - printk("mp3_drv.ko : %d \n", regval); - } -} - -void VS1011_volume(unsigned char left, unsigned char right){ - unsigned int regval = left; - regval <<=8; - regval += right; - VS1011_send_SCI(REG_VOL, regval); -} - -void VS1011_set_bass(unsigned int regval){ - VS1011_send_SCI(REG_BASS, regval); -} - -void VS1011_set_reg(unsigned int reg, unsigned int regval){ - VS1011_send_SCI(reg, regval); -} - -/* -int vs_test(void) { - SPI_init_vs1011(); - printk("%u\n", *R_GEN_CONFIG); - VS1001_init(_crystal_freq); - VS1001_print_registers(); - VS1001_volume(0x30, 0x30); - msDelay(1000); - VS1001_sine(1, 0x30); - msDelay(1000); - VS1001_sine(0, 0); - VS1001_send_zeros(0x20); - msDelay(1000); - VS1001_sine(1, 0x30); - msDelay(1000); - VS1001_sine(0, 0); - VS1001_send_zeros(0x20); - msDelay(1000); - VS1001_sine(1, 0x30); - msDelay(1000); - VS1001_sine(0, 0); - - AUDIO_DATA a; - VS1001_get_audio_data(&a); - printk("mp3_drv.ko : rate : %d, bit : %d, stereo : %d \n", a.sample_rate, a.bitrate, a.is_stereo); - VS1001_SW_reset(_crystal_freq); - return 0; -}*/ - |