int iWavegen2Plugin::set_param(int ndx, kxparam_t value)
{
_params[ndx] = value; // saving value into _params[] for later use
dword lev;
switch (ndx){
case LEVEL_ID:
set_dsp_register(R_Level, _dbl_to_dspword(cBtoG((double)value)*0.25));
break;
case FRECUENCY_ID:
get_dsp_register("LEVEL", &lev);
set_dsp_register(R_Level, _dbl_to_dspword(0.0));
set_dsp_register(R_y2, _dbl_to_dspword((double) 1.0));
set_dsp_register(R_y1, _dbl_to_dspword((double) 1.0));
set_dsp_register(R_d , _dbl_to_dspword((double) cos(2.0*3.141592653589793*value/48000.0)));
set_dsp_register(R_PT, _dbl_to_dspword((double) 4.0*value/48000.0));
set_dsp_register(R_PS, _dbl_to_dspword((double) 2.0*value/48000.0));
set_dsp_register(R_Level, lev);
break;
}
if (cp) ((iWavegen2PluginDlg*) cp)->sync(ndx);
return 0;
}
static int read_dsp(struct echoaudio *chip, u32 *data)
{
u32 status, i;
for (i = 0; i < READ_DSP_TIMEOUT; i++) {
status = get_dsp_register(chip, CHI32_STATUS_REG);
if ((status & CHI32_STATUS_HOST_READ_FULL) != 0) {
*data = get_dsp_register(chip, CHI32_DATA_REG);
return 0;
}
udelay(1);
cond_resched();
}
chip->bad_board = TRUE; /* */
DE_INIT((KERN_ERR "read_dsp: Set bad_board to TRUE\n"));
return -EIO;
}
/* read_dsp reads a 32-bit value from the DSP; this is used almost
exclusively for loading the DSP and checking the status of the ASIC. */
static int read_dsp(struct echoaudio *chip, u32 *data)
{
u32 status, i;
for (i = 0; i < READ_DSP_TIMEOUT; i++) {
status = get_dsp_register(chip, CHI32_STATUS_REG);
if ((status & CHI32_STATUS_HOST_READ_FULL) != 0) {
*data = get_dsp_register(chip, CHI32_DATA_REG);
return 0;
}
udelay(1);
cond_resched();
}
chip->bad_board = true; /* Set true until DSP re-loaded */
dev_err(chip->card->dev, "read_dsp: Set bad_board to true\n");
return -EIO;
}
static int write_dsp(struct echoaudio *chip, u32 data)
{
u32 status, i;
for (i = 0; i < 10000000; i++) { /* */
status = get_dsp_register(chip, CHI32_STATUS_REG);
if ((status & CHI32_STATUS_HOST_WRITE_EMPTY) != 0) {
set_dsp_register(chip, CHI32_DATA_REG, data);
wmb(); /* */
return 0;
}
udelay(1);
cond_resched();
}
chip->bad_board = TRUE; /* */
DE_ACT((KERN_ERR "write_dsp: Set bad_board to TRUE\n"));
return -EIO;
}
static int service_irq(struct echoaudio *chip)
{
int st;
/* */
if (get_dsp_register(chip, CHI32_STATUS_REG) & CHI32_STATUS_IRQ) {
st = 0;
#ifdef ECHOCARD_HAS_MIDI
/* */
if (chip->comm_page->midi_input[0]) /* */
st = midi_service_irq(chip); /* */
#endif
/* */
chip->comm_page->midi_input[0] = 0;
send_vector(chip, DSP_VC_ACK_INT);
return st;
}
return -1;
}
/* write_dsp writes a 32-bit value to the DSP; this is used almost
exclusively for loading the DSP. */
static int write_dsp(struct echoaudio *chip, u32 data)
{
u32 status, i;
for (i = 0; i < 10000000; i++) { /* timeout = 10s */
status = get_dsp_register(chip, CHI32_STATUS_REG);
if ((status & CHI32_STATUS_HOST_WRITE_EMPTY) != 0) {
set_dsp_register(chip, CHI32_DATA_REG, data);
wmb(); /* write it immediately */
return 0;
}
udelay(1);
cond_resched();
}
chip->bad_board = true; /* Set true until DSP re-loaded */
dev_dbg(chip->card->dev, "write_dsp: Set bad_board to true\n");
return -EIO;
}
/* This is low level part of the interrupt handler.
It returns -1 if the IRQ is not ours, or N>=0 if it is, where N is the number
of midi data in the input queue. */
static int service_irq(struct echoaudio *chip)
{
int st;
/* Read the DSP status register and see if this DSP generated this interrupt */
if (get_dsp_register(chip, CHI32_STATUS_REG) & CHI32_STATUS_IRQ) {
st = 0;
#ifdef ECHOCARD_HAS_MIDI
/* Get and parse midi data if present */
if (chip->comm_page->midi_input[0]) /* The count is at index 0 */
st = midi_service_irq(chip); /* Returns how many midi bytes we received */
#endif
/* Clear the hardware interrupt */
chip->comm_page->midi_input[0] = 0;
send_vector(chip, DSP_VC_ACK_INT);
return st;
}
return -1;
}
/* Send a buffer full of MIDI data to the DSP
Returns how many actually written or < 0 on error */
static int write_midi(struct echoaudio *chip, u8 *data, int bytes)
{
if (snd_BUG_ON(bytes <= 0 || bytes >= MIDI_OUT_BUFFER_SIZE))
return -EINVAL;
if (wait_handshake(chip))
return -EIO;
/* HF4 indicates that it is safe to write MIDI output data */
if (! (get_dsp_register(chip, CHI32_STATUS_REG) & CHI32_STATUS_REG_HF4))
return 0;
chip->comm_page->midi_output[0] = bytes;
memcpy(&chip->comm_page->midi_output[1], data, bytes);
chip->comm_page->midi_out_free_count = 0;
clear_handshake(chip);
send_vector(chip, DSP_VC_MIDI_WRITE);
DE_MID(("write_midi: %d\n", bytes));
return bytes;
}
static int send_vector(struct echoaudio *chip, u32 command)
{
int i;
wmb(); /* */
/* */
for (i = 0; i < VECTOR_BUSY_TIMEOUT; i++) {
if (!(get_dsp_register(chip, CHI32_VECTOR_REG) &
CHI32_VECTOR_BUSY)) {
set_dsp_register(chip, CHI32_VECTOR_REG, command);
/* */
return 0;
}
udelay(1);
}
DE_ACT((KERN_ERR "timeout on send_vector\n"));
return -EBUSY;
}
/* Much of the interaction between the DSP and the driver is done via vector
commands; send_vector writes a vector command to the DSP. Typically, this
causes the DSP to read or write fields in the comm page.
PCI posting is not required thanks to the handshake logic. */
static int send_vector(struct echoaudio *chip, u32 command)
{
int i;
wmb(); /* Flush all pending writes before sending the command */
/* Wait up to 100ms for the "vector busy" bit to be off */
for (i = 0; i < VECTOR_BUSY_TIMEOUT; i++) {
if (!(get_dsp_register(chip, CHI32_VECTOR_REG) &
CHI32_VECTOR_BUSY)) {
set_dsp_register(chip, CHI32_VECTOR_REG, command);
/*if (i) DE_ACT(("send_vector time: %d\n", i));*/
return 0;
}
udelay(1);
}
dev_err(chip->card->dev, "timeout on send_vector\n");
return -EBUSY;
}
int iKXPlugin::get_param(int ndx,kxparam_t *value)
{
int count=-1;
if(info && info_size)
{
for(dword i=0;i<info_size/sizeof(dsp_register_info);i++)
{
if((info[i].type&GPR_MASK)==GPR_CONTROL)
count++;
if(count==ndx)
{
dword ret;
if(!get_dsp_register(info[i].num,&ret))
{
*value=(kxparam_t)ret;
return 0;
}
else
return -2;
}
}
}
return count;
}
static int load_dsp(struct echoaudio *chip, u16 *code)
{
u32 address, data;
int index, words, i;
if (chip->dsp_code == code) {
DE_INIT(("DSP is already loaded!\n"));
return 0;
}
chip->bad_board = TRUE; /* */
chip->dsp_code = NULL; /* */
chip->asic_loaded = FALSE; /* */
DE_INIT(("load_dsp: Set bad_board to TRUE\n"));
/* */
#ifdef DSP_56361
if ((i = install_resident_loader(chip)) < 0)
return i;
#endif
/* */
if (send_vector(chip, DSP_VC_RESET) < 0) {
DE_INIT(("LoadDsp: send_vector DSP_VC_RESET failed, Critical Failure\n"));
return -EIO;
}
/* */
udelay(10);
/* */
for (i = 0; i < 1000; i++) { /* */
if (get_dsp_register(chip, CHI32_STATUS_REG) &
CHI32_STATUS_REG_HF3)
break;
udelay(10);
}
if (i == 1000) {
DE_INIT(("load_dsp: Timeout waiting for CHI32_STATUS_REG_HF3\n"));
return -EIO;
}
/* */
set_dsp_register(chip, CHI32_CONTROL_REG,
get_dsp_register(chip, CHI32_CONTROL_REG) | 0x900);
/* */
index = code[0];
for (;;) {
int block_type, mem_type;
/* */
index++;
/* */
block_type = code[index];
if (block_type == 4) /* */
break;
index++;
/* */
mem_type = code[index++];
/* */
words = code[index++];
if (words == 0) /* */
break;
/* */
address = ((u32)code[index] << 16) + code[index + 1];
index += 2;
if (write_dsp(chip, words) < 0) {
DE_INIT(("load_dsp: failed to write number of DSP words\n"));
return -EIO;
}
if (write_dsp(chip, address) < 0) {
DE_INIT(("load_dsp: failed to write DSP address\n"));
return -EIO;
}
if (write_dsp(chip, mem_type) < 0) {
DE_INIT(("load_dsp: failed to write DSP memory type\n"));
return -EIO;
}
/* */
for (i = 0; i < words; i++, index+=2) {
data = ((u32)code[index] << 16) + code[index + 1];
if (write_dsp(chip, data) < 0) {
DE_INIT(("load_dsp: failed to write DSP data\n"));
return -EIO;
}
}
}
if (write_dsp(chip, 0) < 0) { /* */
DE_INIT(("load_dsp: Failed to write final zero\n"));
return -EIO;
}
udelay(10);
for (i = 0; i < 5000; i++) { /* */
/* */
if (get_dsp_register(chip, CHI32_STATUS_REG) &
CHI32_STATUS_REG_HF4) {
set_dsp_register(chip, CHI32_CONTROL_REG,
get_dsp_register(chip, CHI32_CONTROL_REG) & ~0x1b00);
if (write_dsp(chip, DSP_FNC_SET_COMMPAGE_ADDR) < 0) {
DE_INIT(("load_dsp: Failed to write DSP_FNC_SET_COMMPAGE_ADDR\n"));
return -EIO;
}
if (write_dsp(chip, chip->comm_page_phys) < 0) {
DE_INIT(("load_dsp: Failed to write comm page address\n"));
return -EIO;
}
/*
*/
if (read_sn(chip) < 0) {
DE_INIT(("load_dsp: Failed to read serial number\n"));
return -EIO;
}
chip->dsp_code = code; /* */
chip->bad_board = FALSE; /* */
DE_INIT(("load_dsp: OK!\n"));
return 0;
}
udelay(100);
}
DE_INIT(("load_dsp: DSP load timed out waiting for HF4\n"));
return -EIO;
}
static int install_resident_loader(struct echoaudio *chip)
{
u32 address;
int index, words, i;
u16 *code;
u32 status;
const struct firmware *fw;
/*
*/
if (chip->device_id != DEVICE_ID_56361)
return 0;
/*
*/
status = get_dsp_register(chip, CHI32_STATUS_REG);
if (status & CHI32_STATUS_REG_HF5) {
DE_INIT(("Resident loader already installed; status is 0x%x\n",
status));
return 0;
}
i = get_firmware(&fw, chip, FW_361_LOADER);
if (i < 0) {
snd_printk(KERN_WARNING "Firmware not found !\n");
return i;
}
/*
*/
/* */
set_dsp_register(chip, CHI32_CONTROL_REG,
get_dsp_register(chip, CHI32_CONTROL_REG) | 0x900);
code = (u16 *)fw->data;
/*
*/
index = code[0];
/* */
index += 3;
/* */
words = code[index++];
/* */
address = ((u32)code[index] << 16) + code[index + 1];
index += 2;
/* */
if (write_dsp(chip, words)) {
DE_INIT(("install_resident_loader: Failed to write word count!\n"));
goto irl_error;
}
/* */
if (write_dsp(chip, address)) {
DE_INIT(("install_resident_loader: Failed to write DSP address!\n"));
goto irl_error;
}
/* */
for (i = 0; i < words; i++) {
u32 data;
data = ((u32)code[index] << 16) + code[index + 1];
if (write_dsp(chip, data)) {
DE_INIT(("install_resident_loader: Failed to write DSP code\n"));
goto irl_error;
}
index += 2;
}
/* */
for (i = 0; i < 200; i++) { /* */
udelay(50);
status = get_dsp_register(chip, CHI32_STATUS_REG);
if (status & CHI32_STATUS_REG_HF5)
break;
}
if (i == 200) {
DE_INIT(("Resident loader failed to set HF5\n"));
goto irl_error;
}
DE_INIT(("Resident loader successfully installed\n"));
free_firmware(fw);
return 0;
irl_error:
free_firmware(fw);
return -EIO;
}
static int load_dsp(struct echoaudio *chip, u16 *code)
{
u32 address, data;
int index, words, i;
if (chip->dsp_code == code) {
dev_warn(chip->card->dev, "DSP is already loaded!\n");
return 0;
}
chip->bad_board = true; /* Set true until DSP loaded */
chip->dsp_code = NULL; /* Current DSP code not loaded */
chip->asic_loaded = false; /* Loading the DSP code will reset the ASIC */
dev_dbg(chip->card->dev, "load_dsp: Set bad_board to true\n");
/* If this board requires a resident loader, install it. */
#ifdef DSP_56361
if ((i = install_resident_loader(chip)) < 0)
return i;
#endif
/* Send software reset command */
if (send_vector(chip, DSP_VC_RESET) < 0) {
dev_err(chip->card->dev,
"LoadDsp: send_vector DSP_VC_RESET failed, Critical Failure\n");
return -EIO;
}
/* Delay 10us */
udelay(10);
/* Wait 10ms for HF3 to indicate that software reset is complete */
for (i = 0; i < 1000; i++) { /* Timeout is 10us * 1000 = 10ms */
if (get_dsp_register(chip, CHI32_STATUS_REG) &
CHI32_STATUS_REG_HF3)
break;
udelay(10);
}
if (i == 1000) {
dev_err(chip->card->dev,
"load_dsp: Timeout waiting for CHI32_STATUS_REG_HF3\n");
return -EIO;
}
/* Set DSP format bits for 24 bit mode now that soft reset is done */
set_dsp_register(chip, CHI32_CONTROL_REG,
get_dsp_register(chip, CHI32_CONTROL_REG) | 0x900);
/* Main loader loop */
index = code[0];
for (;;) {
int block_type, mem_type;
/* Total Block Size */
index++;
/* Block Type */
block_type = code[index];
if (block_type == 4) /* We're finished */
break;
index++;
/* Memory Type P=0,X=1,Y=2 */
mem_type = code[index++];
/* Block Code Size */
words = code[index++];
if (words == 0) /* We're finished */
break;
/* Start Address */
address = ((u32)code[index] << 16) + code[index + 1];
index += 2;
if (write_dsp(chip, words) < 0) {
dev_err(chip->card->dev,
"load_dsp: failed to write number of DSP words\n");
return -EIO;
}
if (write_dsp(chip, address) < 0) {
dev_err(chip->card->dev,
"load_dsp: failed to write DSP address\n");
return -EIO;
}
if (write_dsp(chip, mem_type) < 0) {
dev_err(chip->card->dev,
"load_dsp: failed to write DSP memory type\n");
return -EIO;
}
/* Code */
for (i = 0; i < words; i++, index+=2) {
data = ((u32)code[index] << 16) + code[index + 1];
if (write_dsp(chip, data) < 0) {
dev_err(chip->card->dev,
"load_dsp: failed to write DSP data\n");
return -EIO;
}
}
}
if (write_dsp(chip, 0) < 0) { /* We're done!!! */
dev_err(chip->card->dev,
"load_dsp: Failed to write final zero\n");
return -EIO;
}
udelay(10);
for (i = 0; i < 5000; i++) { /* Timeout is 100us * 5000 = 500ms */
/* Wait for flag 4 - indicates that the DSP loaded OK */
if (get_dsp_register(chip, CHI32_STATUS_REG) &
CHI32_STATUS_REG_HF4) {
set_dsp_register(chip, CHI32_CONTROL_REG,
get_dsp_register(chip, CHI32_CONTROL_REG) & ~0x1b00);
if (write_dsp(chip, DSP_FNC_SET_COMMPAGE_ADDR) < 0) {
dev_err(chip->card->dev,
"load_dsp: Failed to write DSP_FNC_SET_COMMPAGE_ADDR\n");
return -EIO;
}
if (write_dsp(chip, chip->comm_page_phys) < 0) {
dev_err(chip->card->dev,
"load_dsp: Failed to write comm page address\n");
return -EIO;
}
/* Get the serial number via slave mode.
This is triggered by the SET_COMMPAGE_ADDR command.
We don't actually use the serial number but we have to
get it as part of the DSP init voodoo. */
if (read_sn(chip) < 0) {
dev_err(chip->card->dev,
"load_dsp: Failed to read serial number\n");
return -EIO;
}
chip->dsp_code = code; /* Show which DSP code loaded */
chip->bad_board = false; /* DSP OK */
return 0;
}
udelay(100);
}
dev_err(chip->card->dev,
"load_dsp: DSP load timed out waiting for HF4\n");
return -EIO;
}
/* Install the resident loader for 56361 DSPs; The resident loader is on
the EPROM on the board for 56301 DSP. The resident loader is a tiny little
program that is used to load the real DSP code. */
static int install_resident_loader(struct echoaudio *chip)
{
u32 address;
int index, words, i;
u16 *code;
u32 status;
const struct firmware *fw;
/* 56361 cards only! This check is required by the old 56301-based
Mona and Gina24 */
if (chip->device_id != DEVICE_ID_56361)
return 0;
/* Look to see if the resident loader is present. If the resident
loader is already installed, host flag 5 will be on. */
status = get_dsp_register(chip, CHI32_STATUS_REG);
if (status & CHI32_STATUS_REG_HF5) {
dev_dbg(chip->card->dev,
"Resident loader already installed; status is 0x%x\n",
status);
return 0;
}
i = get_firmware(&fw, chip, FW_361_LOADER);
if (i < 0) {
dev_warn(chip->card->dev, "Firmware not found !\n");
return i;
}
/* The DSP code is an array of 16 bit words. The array is divided up
into sections. The first word of each section is the size in words,
followed by the section type.
Since DSP addresses and data are 24 bits wide, they each take up two
16 bit words in the array.
This is a lot like the other loader loop, but it's not a loop, you
don't write the memory type, and you don't write a zero at the end. */
/* Set DSP format bits for 24 bit mode */
set_dsp_register(chip, CHI32_CONTROL_REG,
get_dsp_register(chip, CHI32_CONTROL_REG) | 0x900);
code = (u16 *)fw->data;
/* Skip the header section; the first word in the array is the size
of the first section, so the first real section of code is pointed
to by Code[0]. */
index = code[0];
/* Skip the section size, LRS block type, and DSP memory type */
index += 3;
/* Get the number of DSP words to write */
words = code[index++];
/* Get the DSP address for this block; 24 bits, so build from two words */
address = ((u32)code[index] << 16) + code[index + 1];
index += 2;
/* Write the count to the DSP */
if (write_dsp(chip, words)) {
dev_err(chip->card->dev,
"install_resident_loader: Failed to write word count!\n");
goto irl_error;
}
/* Write the DSP address */
if (write_dsp(chip, address)) {
dev_err(chip->card->dev,
"install_resident_loader: Failed to write DSP address!\n");
goto irl_error;
}
/* Write out this block of code to the DSP */
for (i = 0; i < words; i++) {
u32 data;
data = ((u32)code[index] << 16) + code[index + 1];
if (write_dsp(chip, data)) {
dev_err(chip->card->dev,
"install_resident_loader: Failed to write DSP code\n");
goto irl_error;
}
index += 2;
}
/* Wait for flag 5 to come up */
for (i = 0; i < 200; i++) { /* Timeout is 50us * 200 = 10ms */
udelay(50);
status = get_dsp_register(chip, CHI32_STATUS_REG);
if (status & CHI32_STATUS_REG_HF5)
break;
}
if (i == 200) {
dev_err(chip->card->dev, "Resident loader failed to set HF5\n");
goto irl_error;
}
dev_dbg(chip->card->dev, "Resident loader successfully installed\n");
free_firmware(fw, chip);
return 0;
irl_error:
free_firmware(fw, chip);
return -EIO;
}
