Added Recorder code
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1072 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing
parent
9d937e9c23
commit
9c0e5d8a26
2 changed files with 191 additions and 14 deletions
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@ -77,7 +77,7 @@ int mas_readmem(int bank, int addr, unsigned long* dest, int len)
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i=0;
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buf[i++] = MAS_DATA_WRITE;
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buf[i++] = bank?0xf0:0xe0;
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buf[i++] = bank?MAS_CMD_READ_D1_MEM:MAS_CMD_READ_D0_MEM;
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buf[i++] = 0x00;
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buf[i++] = (len & 0xff00) >> 8;
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buf[i++] = len & 0xff;
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@ -102,7 +102,7 @@ int mas_writemem(int bank, int addr, unsigned long* src, int len)
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i=0;
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buf[i++] = MAS_DATA_WRITE;
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buf[i++] = bank;
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buf[i++] = bank?MAS_CMD_WRITE_D1_MEM:MAS_CMD_WRITE_D0_MEM;
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buf[i++] = 0x00;
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buf[i++] = (len & 0xff00) >> 8;
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buf[i++] = len & 0xff;
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@ -111,10 +111,17 @@ int mas_writemem(int bank, int addr, unsigned long* src, int len)
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j = 0;
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while(len--) {
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buf[i++] = ptr[j*4+1];
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buf[i++] = ptr[j*4+0];
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#ifdef ARCHOS_RECORDER
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buf[i++] = 0;
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buf[i++] = ptr[j*4+2];
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buf[i++] = ptr[j+1];
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buf[i++] = ptr[j+2];
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buf[i++] = ptr[j+3];
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#else
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buf[i++] = ptr[j+2];
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buf[i++] = ptr[j+3];
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buf[i++] = 0;
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buf[i++] = ptr[j+1];
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#endif
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j += 4;
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}
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@ -131,10 +138,11 @@ int mas_readreg(int reg)
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{
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int i;
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unsigned char buf[16];
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unsigned long value;
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i=0;
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buf[i++] = MAS_DATA_WRITE;
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buf[i++] = 0xd0 | reg >> 4;
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buf[i++] = MAS_CMD_READ_REG | (reg >> 4);
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buf[i++] = (reg & 0x0f) << 4;
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/* send read command */
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@ -143,12 +151,12 @@ int mas_readreg(int reg)
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return -1;
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}
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if(mas_devread((unsigned long *)buf, 1))
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if(mas_devread(&value, 1))
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{
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return -2;
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}
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return buf[0] | buf[1] << 8 | buf[3] << 16;
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return value;
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}
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int mas_writereg(int reg, unsigned int val)
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@ -158,7 +166,7 @@ int mas_writereg(int reg, unsigned int val)
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i=0;
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buf[i++] = MAS_DATA_WRITE;
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buf[i++] = 0x90 | reg >> 4;
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buf[i++] = MAS_CMD_READ_REG | (reg >> 4);
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buf[i++] = ((reg & 0x0f) << 4) | (val & 0x0f);
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buf[i++] = (val >> 12) & 0xff;
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buf[i++] = (val >> 4) & 0xff;
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@ -179,6 +187,8 @@ int mas_devread(unsigned long *dest, int len)
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int i;
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/* handle read-back */
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/* Remember, the MAS values are only 20 bits, so we set
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the upper 12 bits to 0 */
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i2c_start();
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i2c_outb(MAS_DEV_WRITE);
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if (i2c_getack()) {
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@ -189,13 +199,24 @@ int mas_devread(unsigned long *dest, int len)
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if (i2c_getack()) {
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for (i=0;len;i++) {
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len--;
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ptr[i*4+1] = i2c_inb(0);
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ptr[i*4+0] = i2c_inb(0);
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ptr[i*4+3] = i2c_inb(0);
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#ifdef ARCHOS_RECORDER
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i2c_inb(0); /* Dummy read */
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ptr[i*4+0] = 0;
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ptr[i*4+1] = i2c_inb(0) & 0x0f;
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ptr[i*4+2] = i2c_inb(0);
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if(len)
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ptr[i*4+2] = i2c_inb(0);
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ptr[i*4+3] = i2c_inb(0);
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else
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ptr[i*4+2] = i2c_inb(1); /* NAK the last byte */
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ptr[i*4+3] = i2c_inb(1); /* NAK the last byte */
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#else
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ptr[i*4+2] = i2c_inb(0);
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ptr[i*4+3] = i2c_inb(0);
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ptr[i*4+0] = i2c_inb(0);
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if(len)
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ptr[i*4+1] = i2c_inb(0);
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else
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ptr[i*4+1] = i2c_inb(1); /* NAK the last byte */
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#endif
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}
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}
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else
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@ -211,3 +232,116 @@ int mas_devread(unsigned long *dest, int len)
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return ret;
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}
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#ifdef ARCHOS_RECORDER
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int mas_direct_config_read(unsigned char reg)
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{
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unsigned char tmp[2];
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int ret = 0;
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i2c_start();
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i2c_outb(MAS_DEV_WRITE);
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if (i2c_getack()) {
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i2c_outb(reg);
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if (i2c_getack()) {
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i2c_start();
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i2c_outb(MAS_DEV_READ);
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if (i2c_getack()) {
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tmp[0] = i2c_inb(0);
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tmp[1] = i2c_inb(1); /* NAK the last byte */
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ret = (tmp[0] << 8) | tmp[1];
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}
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else
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ret = -3;
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}
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else
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ret = -2;
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}
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else
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ret = -1;
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i2c_stop();
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return ret;
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}
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int mas_direct_config_write(unsigned char reg, unsigned int val)
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{
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unsigned char buf[3];
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buf[0] = reg;
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buf[1] = (val >> 8) & 0xff;
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buf[2] = val & 0xff;
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/* send write command */
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if (i2c_write(MAS_DEV_WRITE,buf,3))
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{
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return -1;
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}
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return 0;
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}
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int mas_codec_writereg(int reg, unsigned int val)
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{
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int i;
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unsigned char buf[16];
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i=0;
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buf[i++] = MAS_CODEC_WRITE;
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buf[i++] = (reg >> 8) & 0xff;
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buf[i++] = reg & 0xff;
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buf[i++] = (val >> 8) & 0xff;
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buf[i++] = val & 0xff;
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/* send write command */
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if (i2c_write(MAS_DEV_WRITE,buf,i))
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{
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return -1;
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}
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return 0;
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}
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int mas_codec_readreg(int reg)
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{
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int i;
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int ret = 0;
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unsigned char buf[16];
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unsigned char tmp[2];
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i=0;
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buf[i++] = MAS_CODEC_WRITE;
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buf[i++] = (reg >> 8) & 0xff;
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buf[i++] = reg & 0xff;
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/* send read command */
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if (i2c_write(MAS_DEV_WRITE,buf,i))
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{
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return -1;
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}
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i2c_start();
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i2c_outb(MAS_DEV_WRITE);
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if (i2c_getack()) {
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i2c_outb(MAS_CODEC_READ);
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if (i2c_getack()) {
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i2c_start();
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i2c_outb(MAS_DEV_READ);
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if (i2c_getack()) {
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tmp[0] = i2c_inb(0);
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tmp[1] = i2c_inb(1); /* NAK the last byte */
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ret = (tmp[0] << 8) | tmp[1];
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}
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else
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ret = -3;
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}
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else
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ret = -2;
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}
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else
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ret = -1;
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i2c_stop();
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return ret;
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}
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#endif
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@ -25,14 +25,30 @@
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/*
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MAS I2C defs
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*/
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#ifdef ARCHOS_RECORDER
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#define MAS_ADR 0x3c
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#define MAS_DEV_WRITE (MAS_ADR | 0x00)
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#define MAS_DEV_READ (MAS_ADR | 0x01)
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#else
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#define MAS_ADR 0x3a
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#define MAS_DEV_WRITE (MAS_ADR | 0x00)
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#define MAS_DEV_READ (MAS_ADR | 0x01)
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#endif
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/* registers..*/
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#ifdef ARCHOS_RECORDER
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#define MAS_DATA_WRITE 0x68
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#define MAS_DATA_READ 0x69
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#define MAS_CODEC_WRITE 0x6c
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#define MAS_CODEC_READ 0x6d
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#define MAS_CONTROL 0x6a
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#define MAS_DCCF 0x76
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#define MAS_DCFR 0x77
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#else
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#define MAS_DATA_WRITE 0x68
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#define MAS_DATA_READ 0x69
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#define MAS_CONTROL 0x6a
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#endif
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/*
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* MAS register
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@ -45,6 +61,29 @@
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#define MAS_REG_KBASS 0x6b
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#define MAS_REG_KTREBLE 0x6f
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/*
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* MAS commands
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*/
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#ifdef ARCHOS_RECORDER
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#define MAS_CMD_READ_ANCILLARY 0x50
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#define MAS_CMD_FAST_PRG_DL 0x60
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#define MAS_CMD_READ_IC_VER 0x70
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#define MAS_CMD_READ_REG 0xa0
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#define MAS_CMD_WRITE_REG 0xb0
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#define MAS_CMD_READ_D0_MEM 0xc0
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#define MAS_CMD_READ_D1_MEM 0xd0
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#define MAS_CMD_WRITE_D0_MEM 0xe0
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#define MAS_CMD_WRITE_D1_MEM 0xf0
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#else
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#define MAS_CMD_READ_ANCILLARY 0x30
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#define MAS_CMD_WRITE_REG 0x90
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#define MAS_CMD_WRITE_D0_MEM 0xa0
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#define MAS_CMD_WRITE_D1_MEM 0xb0
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#define MAS_CMD_READ_REG 0xd0
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#define MAS_CMD_READ_D0_MEM 0xe0
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#define MAS_CMD_READ_D1_MEM 0xf0
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#endif
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int mas_default_read(unsigned short *buf);
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int mas_run(unsigned short address);
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int mas_readmem(int bank, int addr, unsigned long* dest, int len);
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@ -53,5 +92,9 @@ int mas_devread(unsigned long *buf, int len);
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int mas_readreg(int reg);
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int mas_writereg(int reg, unsigned int val);
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int dac_volume(unsigned int volume);
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int mas_direct_config_read(unsigned char reg);
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int mas_direct_config_write(unsigned char reg, unsigned int val);
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int mas_codec_writereg(int reg, unsigned int val);
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int mas_codec_readreg(int reg);
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#endif
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