case HPI_ADAPTER_DELETE:
adapter_delete(pao, phm, phr); break;
default:
hw_message(pao, phm, phr); break;
}
}
staticvoid outstream_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr)
{ switch (phm->function) { case HPI_OSTREAM_HOSTBUFFER_ALLOC: case HPI_OSTREAM_HOSTBUFFER_FREE: /* Don't let these messages go to the HW function because * they're called without locking the spinlock. * For the HPI6000 adapters the HW would return * HPI_ERROR_INVALID_FUNC anyway.
*/
phr->error = HPI_ERROR_INVALID_FUNC; break; default:
hw_message(pao, phm, phr); return;
}
}
switch (phm->function) { case HPI_ISTREAM_HOSTBUFFER_ALLOC: case HPI_ISTREAM_HOSTBUFFER_FREE: /* Don't let these messages go to the HW function because * they're called without locking the spinlock. * For the HPI6000 adapters the HW would return * HPI_ERROR_INVALID_FUNC anyway.
*/
phr->error = HPI_ERROR_INVALID_FUNC; break; default:
hw_message(pao, phm, phr); return;
}
}
/************************************************************************/ /** HPI_6000() * Entry point from HPIMAN * All calls to the HPI start here
*/ void HPI_6000(struct hpi_message *phm, struct hpi_response *phr)
{ struct hpi_adapter_obj *pao = NULL;
if (phm->object != HPI_OBJ_SUBSYSTEM) {
pao = hpi_find_adapter(phm->adapter_index); if (!pao) {
hpi_init_response(phr, phm->object, phm->function,
HPI_ERROR_BAD_ADAPTER_NUMBER);
HPI_DEBUG_LOG(DEBUG, "invalid adapter index: %d \n",
phm->adapter_index); return;
}
/* Don't even try to communicate with crashed DSP */ if (pao->dsp_crashed >= 10) {
hpi_init_response(phr, phm->object, phm->function,
HPI_ERROR_DSP_HARDWARE);
HPI_DEBUG_LOG(DEBUG, "adapter %d dsp crashed\n",
phm->adapter_index); return;
}
} /* Init default response including the size field */ if (phm->function != HPI_SUBSYS_CREATE_ADAPTER)
hpi_init_response(phr, phm->object, phm->function,
HPI_ERROR_PROCESSING_MESSAGE);
switch (phm->type) { case HPI_TYPE_REQUEST: switch (phm->object) { case HPI_OBJ_SUBSYSTEM:
subsys_message(phm, phr); break;
/* create an adapter object and initialise it based on resource information * passed in the message * NOTE - you cannot use this function AND the FindAdapters function at the * same time, the application must use only one of them to get the adapters
*/ staticvoid subsys_create_adapter(struct hpi_message *phm, struct hpi_response *phr)
{ /* create temp adapter obj, because we don't know what index yet */ struct hpi_adapter_obj ao; struct hpi_adapter_obj *pao;
u32 os_error_code;
u16 err = 0;
u32 dsp_index = 0;
ao.priv = kzalloc(sizeof(struct hpi_hw_obj), GFP_KERNEL); if (!ao.priv) {
HPI_DEBUG_LOG(ERROR, "can't get mem for adapter object\n");
phr->error = HPI_ERROR_MEMORY_ALLOC; return;
}
/* create the adapter object based on the resource information */
ao.pci = *phm->u.s.resource.r.pci;
phr->u.s.data = os_error_code; return;
} /* need to update paParentAdapter */
pao = hpi_find_adapter(ao.index); if (!pao) { /* We just added this adapter, why can't we find it!? */
HPI_DEBUG_LOG(ERROR, "lost adapter after boot\n");
phr->error = HPI_ERROR_BAD_ADAPTER; return;
}
/* Set the default number of DSPs on this card */ /* This is (conditionally) adjusted after bootloading */ /* of the first DSP in the bootload section. */
phw->num_dsp = 1;
boot_error = hpi6000_adapter_boot_load_dsp(pao, pos_error_code); if (boot_error) return boot_error;
/* get info about the adapter by asking the adapter */ /* send a HPI_ADAPTER_GET_INFO message */
{ struct hpi_message hm; struct hpi_response hr0; /* response from DSP 0 */ struct hpi_response hr1; /* response from DSP 1 */
u16 error = 0;
memset(&phw->control_cache[0], 0, sizeof(struct hpi_control_cache_single) *
HPI_NMIXER_CONTROLS); /* Read the control cache length to figure out if it is turned on */
control_cache_size =
hpi_read_word(&phw->ado[0],
HPI_HIF_ADDR(control_cache_size_in_bytes)); if (control_cache_size) {
control_cache_count =
hpi_read_word(&phw->ado[0],
HPI_HIF_ADDR(control_cache_count));
/* NOTE don't use wAdapterType in this routine. It is not setup yet */
switch (pao->pci.pci_dev->subsystem_device) { case 0x5100: case 0x5110: /* ASI5100 revB or higher with C6711D */ case 0x5200: /* ASI5200 PCIe version of ASI5100 */ case 0x6100: case 0x6200:
boot_load_family = HPI_ADAPTER_FAMILY_ASI(0x6200); break; default: return HPI6000_ERROR_UNHANDLED_SUBSYS_ID;
}
/* reset all DSPs, indicate two DSPs are present * set RST3-=1 to disconnect HAD8 to set DSP in little endian mode
*/
endian = 0;
dw2040_reset = 0x0003000F;
iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
/* read back register to make sure PCI2040 chip is functioning * note that bits 4..15 are read-only and so should always return zero, * even though we wrote 1 to them
*/
hpios_delay_micro_seconds(1000);
delay = ioread32(phw->dw2040_HPICSR + HPI_RESET);
/* Indicate that DSP#0,1 is a C6X */
iowrite32(0x00000003, phw->dw2040_HPICSR + HPI_DATA_WIDTH); /* set Bit30 and 29 - which will prevent Target aborts from being * issued upon HPI or GP error
*/
iowrite32(0x60000000, phw->dw2040_HPICSR + INTERRUPT_MASK_SET);
/* isolate DSP HAD8 line from PCI2040 so that * Little endian can be set by pullup
*/
dw2040_reset = dw2040_reset & (~(endian << 3));
iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
/*Take both DSPs out of reset, setting HAD8 to the correct Endian */
dw2040_reset = dw2040_reset & (~0x00000001); /* start DSP 0 */
iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
dw2040_reset = dw2040_reset & (~0x00000002); /* start DSP 1 */
iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
/* set HAD8 back to PCI2040, now that DSP set to little endian mode */
dw2040_reset = dw2040_reset & (~0x00000008);
iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET); /*delay to allow DSP to get going */
hpios_delay_micro_seconds(100);
/* loop through all DSPs, downloading DSP code */ for (dsp_index = 0; dsp_index < phw->num_dsp; dsp_index++) { struct dsp_obj *pdo = &phw->ado[dsp_index];
/* configure DSP so that we download code into the SRAM */ /* set control reg for little endian, HWOB=1 */
iowrite32(0x00010001, pdo->prHPI_control);
/* test access to the HPI address register (HPIA) */
test_data = 0x00000001; for (j = 0; j < 32; j++) {
iowrite32(test_data, pdo->prHPI_address);
data = ioread32(pdo->prHPI_address); if (data != test_data) {
HPI_DEBUG_LOG(ERROR, "INIT_DSPHPI %x %x %x\n",
test_data, data, dsp_index); return HPI6000_ERROR_INIT_DSPHPI;
}
test_data = test_data << 1;
}
/* if C6713 the setup PLL to generate 225MHz from 25MHz. * Since the PLLDIV1 read is sometimes wrong, even on a C6713, * we're going to do this unconditionally
*/ /* PLLDIV1 should have a value of 8000 after reset */ /* if (HpiReadWord(pdo,0x01B7C118) == 0x8000)
*/
{ /* C6713 datasheet says we cannot program PLL from HPI, * and indeed if we try to set the PLL multiply from the * HPI, the PLL does not seem to lock, * so we enable the PLL and use the default of x 7
*/ /* bypass PLL */
hpi_write_word(pdo, 0x01B7C100, 0x0000);
hpios_delay_micro_seconds(100);
/* ** use default of PLL x7 ** */ /* EMIF = 225/3=75MHz */
hpi_write_word(pdo, 0x01B7C120, 0x8002);
hpios_delay_micro_seconds(100);
/* peri = 225/2 */
hpi_write_word(pdo, 0x01B7C11C, 0x8001);
hpios_delay_micro_seconds(100);
/* cpu = 225/1 */
hpi_write_word(pdo, 0x01B7C118, 0x8000);
/* test r/w to internal DSP memory * C6711 has L2 cache mapped to 0x0 when reset * * revB - because of bug 3.0.1 last HPI read * (before HPI address issued) must be non-autoinc
*/ /* test each bit in the 32bit word */ for (i = 0; i < 100; i++) {
test_addr = 0x00000000;
test_data = 0x00000001; for (j = 0; j < 32; j++) {
hpi_write_word(pdo, test_addr + i, test_data);
data = hpi_read_word(pdo, test_addr + i); if (data != test_data) {
HPI_DEBUG_LOG(ERROR, "DSP mem %x %x %x %x\n",
test_addr + i, test_data,
data, dsp_index);
/* delay a little to allow SDRAM and DSP to "get going" */
hpios_delay_micro_seconds(1000);
/* test access to SDRAM */
{
test_addr = 0x80000000;
test_data = 0x00000001; /* test each bit in the 32bit word */ for (j = 0; j < 32; j++) {
hpi_write_word(pdo, test_addr, test_data);
data = hpi_read_word(pdo, test_addr); if (data != test_data) {
HPI_DEBUG_LOG(ERROR, "DSP dram %x %x %x %x\n",
test_addr, test_data, data,
dsp_index);
return HPI6000_ERROR_INIT_SDRAM1;
}
test_data = test_data << 1;
} /* test every Nth address in the DRAM */ #define DRAM_SIZE_WORDS 0x200000 /*2_mx32 */ #define DRAM_INC 1024
test_addr = 0x80000000;
test_data = 0x0; for (i = 0; i < DRAM_SIZE_WORDS; i = i + DRAM_INC) {
hpi_write_word(pdo, test_addr + i, test_data);
test_data++;
}
test_addr = 0x80000000;
test_data = 0x0; for (i = 0; i < DRAM_SIZE_WORDS; i = i + DRAM_INC) {
data = hpi_read_word(pdo, test_addr + i); if (data != test_data) {
HPI_DEBUG_LOG(ERROR, "DSP dram %x %x %x %x\n",
test_addr + i, test_data,
data, dsp_index); return HPI6000_ERROR_INIT_SDRAM2;
}
test_data++;
}
}
/* write the DSP code down into the DSPs memory */
error = hpi_dsp_code_open(boot_load_family, pao->pci.pci_dev,
&dsp_code, pos_error_code);
error = hpi_dsp_code_read_word(&dsp_code, &length); if (error) break; if (length == 0xFFFFFFFF) break; /* end of code */
error = hpi_dsp_code_read_word(&dsp_code, &address); if (error) break;
error = hpi_dsp_code_read_word(&dsp_code, &type); if (error) break;
error = hpi_dsp_code_read_block(length, &dsp_code,
&pcode); if (error) break;
error = hpi6000_dsp_block_write32(pao, (u16)dsp_index,
address, pcode, length); if (error) break;
}
if (error) {
hpi_dsp_code_close(&dsp_code); return error;
} /* verify that code was written correctly */ /* this time through, assume no errors in DSP code file/array */
hpi_dsp_code_rewind(&dsp_code); while (1) {
u32 length;
u32 address;
u32 type;
u32 *pcode;
hpi_dsp_code_read_word(&dsp_code, &length); if (length == 0xFFFFFFFF) break; /* end of code */
for (i = 0; i < length; i++) {
data = hpi_read_word(pdo, address); if (data != *pcode) {
error = HPI6000_ERROR_INIT_VERIFY;
HPI_DEBUG_LOG(ERROR, "DSP verify %x %x %x %x\n",
address, *pcode, data,
dsp_index); break;
}
pcode++;
address += 4;
} if (error) break;
}
hpi_dsp_code_close(&dsp_code); if (error) return error;
/* zero out the hostmailbox */
{
u32 address = HPI_HIF_ADDR(host_cmd); for (i = 0; i < 4; i++) {
hpi_write_word(pdo, address, 0);
address += 4;
}
} /* write the DSP number into the hostmailbox */ /* structure before starting the DSP */
hpi_write_word(pdo, HPI_HIF_ADDR(dsp_number), dsp_index);
/* write the DSP adapter Info into the */ /* hostmailbox before starting the DSP */ if (dsp_index > 0)
hpi_write_word(pdo, HPI_HIF_ADDR(adapter_info),
adapter_info);
/* wait for a non-zero value in hostcmd - * indicating initialization is complete * * Init could take a while if DSP checks SDRAM memory * Was 200000. Increased to 2000000 for ASI8801 so we * don't get 938 errors.
*/
timeout = 2000000; while (timeout) { do {
read = hpi_read_word(pdo,
HPI_HIF_ADDR(host_cmd));
} while (--timeout
&& hpi6000_check_PCI2040_error_flag(pao,
H6READ));
if (read) break; /* The following is a workaround for bug #94: * Bluescreen on install and subsequent boots on a * DELL PowerEdge 600SC PC with 1.8GHz P4 and * ServerWorks chipset. Without this delay the system * locks up with a bluescreen (NOT GPF or pagefault).
*/ else
hpios_delay_micro_seconds(10000);
} if (timeout == 0) return HPI6000_ERROR_INIT_NOACK;
/* read the DSP adapter Info from the */ /* hostmailbox structure after starting the DSP */ if (dsp_index == 0) { /*u32 dwTestData=0; */
u32 mask = 0;
adapter_info =
hpi_read_word(pdo,
HPI_HIF_ADDR(adapter_info)); if (HPI_ADAPTER_FAMILY_ASI
(HPI_HIF_ADAPTER_INFO_EXTRACT_ADAPTER
(adapter_info)) ==
HPI_ADAPTER_FAMILY_ASI(0x6200)) /* all 6200 cards have this many DSPs */
phw->num_dsp = 2;
/* test that the PLD is programmed */ /* and we can read/write 24bits */ #define PLD_BASE_ADDRESS 0x90000000L /*for ASI6100/6200/8800 */
switch (boot_load_family) { case HPI_ADAPTER_FAMILY_ASI(0x6200): /* ASI6100/6200 has 24bit path to FPGA */
mask = 0xFFFFFF00L; /* ASI5100 uses AX6 code, */ /* but has no PLD r/w register to test */ if (HPI_ADAPTER_FAMILY_ASI(pao->pci.pci_dev->
subsystem_device) ==
HPI_ADAPTER_FAMILY_ASI(0x5100))
mask = 0x00000000L; /* ASI5200 uses AX6 code, */ /* but has no PLD r/w register to test */ if (HPI_ADAPTER_FAMILY_ASI(pao->pci.pci_dev->
subsystem_device) ==
HPI_ADAPTER_FAMILY_ASI(0x5200))
mask = 0x00000000L; break; case HPI_ADAPTER_FAMILY_ASI(0x8800): /* ASI8800 has 16bit path to FPGA */
mask = 0xFFFF0000L; break;
}
test_data = 0xAAAAAA00L & mask; /* write to 24 bit Debug register (D31-D8) */
hpi_write_word(pdo, PLD_BASE_ADDRESS + 4L, test_data);
read = hpi_read_word(pdo,
PLD_BASE_ADDRESS + 4L) & mask; if (read != test_data) {
HPI_DEBUG_LOG(ERROR, "PLD %x %x\n", test_data,
read); return HPI6000_ERROR_INIT_PLDTEST1;
}
test_data = 0x55555500L & mask;
hpi_write_word(pdo, PLD_BASE_ADDRESS + 4L, test_data);
read = hpi_read_word(pdo,
PLD_BASE_ADDRESS + 4L) & mask; if (read != test_data) {
HPI_DEBUG_LOG(ERROR, "PLD %x %x\n", test_data,
read); return HPI6000_ERROR_INIT_PLDTEST2;
}
}
} /* for numDSP */ return 0;
}
do {
iowrite32(address, pdo->prHPI_address);
} while (hpi6000_check_PCI2040_error_flag(pdo->pa_parent_adapter,
H6WRITE)
&& --timeout);
if (timeout) return 0;
return 1;
}
/* write one word to the HPI port */ staticvoid hpi_write_word(struct dsp_obj *pdo, u32 address, u32 data)
{ if (hpi_set_address(pdo, address)) return;
iowrite32(data, pdo->prHPI_data);
}
/* read one word from the HPI port */ static u32 hpi_read_word(struct dsp_obj *pdo, u32 address)
{
u32 data = 0;
if (hpi_set_address(pdo, address)) return 0; /*? No way to return error */
/* take care of errata in revB DSP (2.0.1) */
data = ioread32(pdo->prHPI_data); return data;
}
/* write a block of 32bit words to the DSP HPI port using auto-inc mode */ staticvoid hpi_write_block(struct dsp_obj *pdo, u32 address, u32 *pdata,
u32 length)
{
u16 length16 = length - 1;
/* take care of errata in revB DSP (2.0.1) */ /* must end with non auto-inc */
iowrite32(*(pdata + length - 1), pdo->prHPI_data);
}
/** read a block of 32bit words from the DSP HPI port using auto-inc mode
*/ staticvoid hpi_read_block(struct dsp_obj *pdo, u32 address, u32 *pdata,
u32 length)
{
u16 length16 = length - 1;
/* get the response address */ if (phw->response_buffer_address_on_dsp == 0) {
timeout = TIMEOUT; do {
address =
hpi_read_word(pdo,
HPI_HIF_ADDR(response_buffer_address));
} while (hpi6000_check_PCI2040_error_flag(pao, H6READ)
&& --timeout);
phw->response_buffer_address_on_dsp = address;
if (!timeout) return HPI6000_ERROR_RESP_GET_ADR;
} else
address = phw->response_buffer_address_on_dsp;
/* read the length of the response back from the DSP */
timeout = TIMEOUT; do {
length = hpi_read_word(pdo, HPI_HIF_ADDR(length));
} while (hpi6000_check_PCI2040_error_flag(pao, H6READ) && --timeout); if (!timeout) return HPI6000_ERROR_RESP_GET_LEN;
if (length > phr->size) return HPI_ERROR_RESPONSE_BUFFER_TOO_SMALL;
/* get the response */
p_data = (u32 *)phr; if (hpi6000_dsp_block_read32(pao, dsp_index, address, p_data,
(u16)length / 4)) return HPI6000_ERROR_MSG_RESP_BLOCKREAD32;
/* set i/f back to idle */ if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_IDLE)) return HPI6000_ERROR_MSG_RESP_IDLECMD;
hpi6000_send_dsp_interrupt(pdo);
if (ack & HPI_HIF_ERROR_MASK) return HPI6000_ERROR_SEND_DATA_ACK;
do { /* get the address and size */
address = hpi_read_word(pdo, HPI_HIF_ADDR(address)); /* DSP returns number of DWORDS */
length = hpi_read_word(pdo, HPI_HIF_ADDR(length));
} while (hpi6000_check_PCI2040_error_flag(pao, H6READ));
if (!hpi6000_send_data_check_adr(address, length)) return HPI6000_ERROR_SEND_DATA_ADR;
/* send the data. break data into 512 DWORD blocks (2K bytes) * and send using block write. 2Kbytes is the max as this is the * memory window given to the HPI data register by the PCI2040
*/
{
u32 len = length;
u32 blk_len = 512; while (len) { if (len < blk_len)
blk_len = len; if (hpi6000_dsp_block_write32(pao, dsp_index,
address, p_data, blk_len)) return HPI6000_ERROR_SEND_DATA_WRITE;
address += blk_len * 4;
p_data += blk_len;
len -= blk_len;
}
}
if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_IDLE)) return HPI6000_ERROR_SEND_DATA_IDLECMD;
if (ack & HPI_HIF_ERROR_MASK) return HPI6000_ERROR_GET_DATA_ACK;
/* get the address and size */ do {
address = hpi_read_word(pdo, HPI_HIF_ADDR(address));
length = hpi_read_word(pdo, HPI_HIF_ADDR(length));
} while (hpi6000_check_PCI2040_error_flag(pao, H6READ));
/* read the data */
{
u32 len = length;
u32 blk_len = 512; while (len) { if (len < blk_len)
blk_len = len; if (hpi6000_dsp_block_read32(pao, dsp_index,
address, p_data, blk_len)) return HPI6000_ERROR_GET_DATA_READ;
address += blk_len * 4;
p_data += blk_len;
len -= blk_len;
}
}
if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_IDLE)) return HPI6000_ERROR_GET_DATA_IDLECMD;
hpi6000_send_dsp_interrupt(pdo);
/* set command */ do {
hpi_write_word(pdo, HPI_HIF_ADDR(host_cmd), host_cmd); /* flush the FIFO */
hpi_set_address(pdo, HPI_HIF_ADDR(host_cmd));
} while (hpi6000_check_PCI2040_error_flag(pao, H6WRITE) && --timeout);
/* reset the interrupt bit */
iowrite32(0x00040004, pdo->prHPI_control);
if (timeout) return 0; else return 1;
}
/* if the PCI2040 has recorded an HPI timeout, reset the error and return 1 */ staticshort hpi6000_check_PCI2040_error_flag(struct hpi_adapter_obj *pao,
u16 read_or_write)
{
u32 hPI_error;
struct hpi_hw_obj *phw = pao->priv;
/* read the error bits from the PCI2040 */
hPI_error = ioread32(phw->dw2040_HPICSR + HPI_ERROR_REPORT); if (hPI_error) { /* reset the error flag */
iowrite32(0L, phw->dw2040_HPICSR + HPI_ERROR_REPORT);
phw->pCI2040HPI_error_count++; if (read_or_write == 1)
gw_pci_read_asserts++; /************* inc global */ else
gw_pci_write_asserts++; return 1;
} else return 0;
}
/* wait for host interrupt to signal ack is ready */
timeout = TIMEOUT; while (--timeout) {
hPIC = ioread32(pdo->prHPI_control); if (hPIC & 0x04) /* 0x04 = HINT from DSP */ break;
} if (timeout == 0) return HPI_HIF_ERROR_MASK;
/* wait for dwAckValue */
timeout = TIMEOUT; while (--timeout) { /* read the ack mailbox */
ack = hpi_read_word(pdo, HPI_HIF_ADDR(dsp_ack)); if (ack == ack_value) break; if ((ack & HPI_HIF_ERROR_MASK)
&& !hpi6000_check_PCI2040_error_flag(pao, H6READ)) break; /*for (i=0;i<1000;i++) */ /* dwPause=i+1; */
} if (ack & HPI_HIF_ERROR_MASK) /* indicates bad read from DSP -
typically 0xffffff is read for some reason */
ack = HPI_HIF_ERROR_MASK;
if (timeout == 0)
ack = HPI_HIF_ERROR_MASK; return (short)ack;
}
if (hpi6000_dsp_block_read32(pao, dsp_index, address,
(u32 *)&phw->control_cache[0],
length / sizeof(u32))) {
err = HPI6000_ERROR_CONTROL_CACHE_READ; goto unlock;
} do {
hpi_write_word((struct dsp_obj *)pdo,
HPI_HIF_ADDR(control_cache_is_dirty), 0); /* flush the FIFO */
hpi_set_address(pdo, HPI_HIF_ADDR(host_cmd));
} while (hpi6000_check_PCI2040_error_flag(pao, H6WRITE)
&& --timeout); if (!timeout) {
err = HPI6000_ERROR_CONTROL_CACHE_FLUSH; goto unlock;
}
}
err = 0;
unlock:
hpios_dsplock_unlock(pao); return err;
}
/** Get dsp index for multi DSP adapters only */ static u16 get_dsp_index(struct hpi_adapter_obj *pao, struct hpi_message *phm)
{
u16 ret = 0; switch (phm->object) { case HPI_OBJ_ISTREAM: if (phm->obj_index < 2)
ret = 1; break; case HPI_OBJ_PROFILE:
ret = phm->obj_index; break; default: break;
} return ret;
}
/** Complete transaction with DSP
Send message, get response, send or get stream data if any.
*/ staticvoid hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr)
{
u16 error = 0;
u16 dsp_index = 0; struct hpi_hw_obj *phw = pao->priv;
u16 num_dsp = phw->num_dsp;
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