/*
* Function called when the module is initialized
*/
static int __init dma_module_init(void) {
int error;
int i = 0;
/* Request a chain */
chain.chain_type = OMAP_DMA_STATIC_CHAIN;
chain.device_id = OMAP_DMA_NO_DEVICE;
chain.data_type = OMAP_DMA_DATA_TYPE_S8;
chain.addressing_mode = OMAP_DMA_AMODE_POST_INC;
chain.sync_mode = OMAP_DMA_SYNC_ELEMENT;
chain.data_burst = OMAP_DMA_DATA_BURST_DIS;
chain.channel_count = TRANSFER_COUNT;
set_max_rounds(TRANSFER_ROUNDS);
error = request_dma_chain(&chain);
if(error) {
set_test_passed_chain(0);
return 1;
}
for(i = 0; i < chain.channel_count; i++) {
/* Create the buffers for each transfer */
transfers[i].buffers.buf_size = (1024 * 16);
error = create_transfer_buffers_chain(&(transfers[i].buffers));
if( error ) {
set_test_passed_chain(0);
return 1;
}
fill_source_buffer_chain(&(transfers[i].buffers));
/* Chain a transfer to the chain */
error = chain_transfer(&chain, &transfers[i]);
if( error ) {
set_test_passed_chain(0);
return 1;
}
}
/* Setup the global dma parameters */
setup_dma_chain(&chain);
/* Start the chain */
start_dma_chain(&chain);
/* Poll if the all the transfers have finished */
for(i = 0; i < TRANSFER_POLL_COUNT; i++) {
if(get_transfers_finished()) {
mdelay(TRANSFER_POLL_TIME);
check_test_passed();
break;
} else {
mdelay(TRANSFER_POLL_TIME);
}
}
/* This will happen if the poll retries have been reached*/
if(i == TRANSFER_POLL_COUNT) {
set_test_passed_chain(0);
return 1;
}
return 0;
}
/*
* Function called when the module is initialized
*/
static int __init dma_module_init(void) {
int error;
int i = 0;
transfers[0].data_type = OMAP_DMA_DATA_TYPE_S8;
/*transfers[1].data_type = OMAP_DMA_DATA_TYPE_S16;
transfers[2].data_type = OMAP_DMA_DATA_TYPE_S32;*/
for(i = 0; i < TRANSFER_COUNT; i++){
/* Create the transfer for the test */
transfers[i].device_id = OMAP_DMA_NO_DEVICE;
transfers[i].sync_mode = OMAP_DMA_SYNC_ELEMENT;
transfers[i].data_burst = OMAP_DMA_DATA_BURST_DIS;
transfers[i].endian_type = DMA_TEST_LITTLE_ENDIAN;
transfers[i].addressing_mode = OMAP_DMA_AMODE_POST_INC;
transfers[i].dst_addressing_mode = OMAP_DMA_AMODE_POST_INC;
transfers[i].priority = DMA_CH_PRIO_HIGH;
transfers[i].buffers.buf_size = (1024 * 1024);
/* Request a dma transfer */
error = request_dma(&transfers[i]);
if( error ){
set_test_passed(0);
return 1;
}
/* Request 2 buffer for the transfer and fill them */
error = create_transfer_buffers(&(transfers[i].buffers));
if( error ){
set_test_passed(0);
return 1;
}
fill_source_buffer(&(transfers[i].buffers));
/* Setup the dma transfer parameters */
setup_dma_transfer(&transfers[i]);
}
for(i = 0; i < TRANSFER_COUNT; i++){
/* Start the transfers */
start_dma_transfer(&transfers[i]);
}
/* Poll if the all the transfers have finished */
for(i = 0; i < TRANSFER_POLL_COUNT; i++){
if(get_transfers_finished()){
mdelay(TRANSFER_POLL_TIME);
check_test_passed();
break;
}else{
mdelay(TRANSFER_POLL_TIME);
}
}
/* This will happen if the poll retries have been reached*/
if(i == TRANSFER_POLL_COUNT){
set_test_passed(0);
return 1;
}
return 0;
}
/*
* Function called when the module is initialized
*/
static int __init dma_module_init(void) {
int error;
int i = 0;
wait_oswr_trigger = -1;
for (i = 0; i < TRANSFER_COUNT; i++) {
/* Create the transfer for the test */
transfers[i].device_id = OMAP_DMA_NO_DEVICE;
transfers[i].sync_mode = OMAP_DMA_SYNC_ELEMENT;
transfers[i].data_burst = OMAP_DMA_DATA_BURST_DIS;
transfers[i].data_type = OMAP_DMA_DATA_TYPE_S8;
transfers[i].endian_type = DMA_TEST_LITTLE_ENDIAN;
transfers[i].addressing_mode = OMAP_DMA_AMODE_POST_INC;
transfers[i].dst_addressing_mode = OMAP_DMA_AMODE_POST_INC;
transfers[i].priority = DMA_CH_PRIO_HIGH;
transfers[i].buffers.buf_size = (128 * (i+1)*(i+1)) + i % 2;
transfers[i].src_ei = transfers[i].dest_ei = 0;
transfers[i].src_fi = transfers[i].dest_fi = 0;
/* Request a dma transfer */
error = request_dma(&transfers[i]);
if( error ){
set_test_passed(0);
return 1;
}
/* Request 2 buffer for the transfer and fill them */
error = create_transfer_buffers(&(transfers[i].buffers));
if( error ){
set_test_passed(0);
return 1;
}
fill_source_buffer(&(transfers[i].buffers));
/* Setup the dma transfer parameters */
setup_dma_transfer(&transfers[i]);
}
for(i = 0; i < TRANSFER_COUNT; i++){
/* Start the transfers */
start_dma_transfer(&transfers[i]);
printk("Register Dump After configuration:\n");
printk("DMA channel number : %d\n", transfers[i].transfer_id);
dma_channel_registers_dump(transfers[i].transfer_id, reg_dump_after_config);
}
/* Poll if the all the transfers have finished */
for(i = 0; i < TRANSFER_POLL_COUNT; i++){
if(get_transfers_finished()){
mdelay(TRANSFER_POLL_TIME);
check_test_passed();
break;
}else{
mdelay(TRANSFER_POLL_TIME);
}
}
/* This will happen if the poll retries have been reached*/
if(i == TRANSFER_POLL_COUNT){
set_test_passed(0);
return 1;
}
return 0;
}
