387 	/* number of PDI and ports is interchangeable */  in cdns_reg_show()
549 	debugfs_create_file("cdns-pdi-loopback-source", 0200, root, cdns,  in sdw_cdns_debugfs_init()
552 	debugfs_create_file("cdns-pdi-loopback-target", 0200, root, cdns,  in sdw_cdns_debugfs_init()
1272 	struct sdw_cdns_pdi *pdi;  in cdns_allocate_pdi()  local
1278 	pdi = devm_kcalloc(cdns->dev, num, sizeof(*pdi), GFP_KERNEL);  in cdns_allocate_pdi()
1279 	if (!pdi)  in cdns_allocate_pdi()
1283 		pdi[i].num = i + pdi_offset;  in cdns_allocate_pdi()
1286 	*stream = pdi;  in cdns_allocate_pdi()
1291  * sdw_cdns_pdi_init() - PDI initialization routine
1837  * cdns_find_pdi() - Find a free PDI
1842  * @pdi: PDI instances
1845  * Find a PDI for a given PDI array. The PDI num and dai_id are
1851 					  struct sdw_cdns_pdi *pdi,  in cdns_find_pdi()  argument
1857 		if (pdi[i].num == dai_id)  in cdns_find_pdi()
1858 			return &pdi[i];  in cdns_find_pdi()
1869  * @pdi: PDI to be used
1872 			    u32 ch, u32 dir, struct sdw_cdns_pdi *pdi)  in sdw_cdns_config_stream()  argument
1882 	offset = CDNS_PORTCTRL + pdi->num * CDNS_PORT_OFFSET;  in sdw_cdns_config_stream()
1887 	val = pdi->num;  in sdw_cdns_config_stream()
1890 	cdns_writel(cdns, CDNS_PDI_CONFIG(pdi->num), val);  in sdw_cdns_config_stream()
1895  * sdw_cdns_alloc_pdi() - Allocate a PDI
1907 	struct sdw_cdns_pdi *pdi = NULL;  in sdw_cdns_alloc_pdi()  local
1910 		pdi = cdns_find_pdi(cdns, 0, stream->num_in, stream->in,  in sdw_cdns_alloc_pdi()
1913 		pdi = cdns_find_pdi(cdns, 0, stream->num_out, stream->out,  in sdw_cdns_alloc_pdi()
1916 	/* check if we found a PDI, else find in bi-directional */  in sdw_cdns_alloc_pdi()
1917 	if (!pdi)  in sdw_cdns_alloc_pdi()
1918 		pdi = cdns_find_pdi(cdns, 0, stream->num_bd, stream->bd,  in sdw_cdns_alloc_pdi()
1921 	if (pdi) {  in sdw_cdns_alloc_pdi()
1922 		pdi->l_ch_num = 0;  in sdw_cdns_alloc_pdi()
1923 		pdi->h_ch_num = ch - 1;  in sdw_cdns_alloc_pdi()
1924 		pdi->dir = dir;  in sdw_cdns_alloc_pdi()
1925 		pdi->ch_count = ch;  in sdw_cdns_alloc_pdi()
1928 	return pdi;  in sdw_cdns_alloc_pdi()