20 int oa_tc6_reg_read(struct oa_tc6 *tc6, const uint32_t reg, uint32_t *val)  in oa_tc6_reg_read()  argument
34 	if (!tc6->protected) {  in oa_tc6_reg_read()
49 	ret = spi_transceive_dt(tc6->spi, &tx, &rx);  in oa_tc6_reg_read()
64 	if (tc6->protected) {  in oa_tc6_reg_read()
77 int oa_tc6_reg_write(struct oa_tc6 *tc6, const uint32_t reg, uint32_t val)  in oa_tc6_reg_write()  argument
92 	if (!tc6->protected) {  in oa_tc6_reg_write()
108 	if (tc6->protected) {  in oa_tc6_reg_write()
112 	ret = spi_transceive_dt(tc6->spi, &tx, &rx);  in oa_tc6_reg_write()
135 	if (tc6->protected) {  in oa_tc6_reg_write()
146 int oa_tc6_reg_rmw(struct oa_tc6 *tc6, const uint32_t reg,  in oa_tc6_reg_rmw()  argument
152 	ret = oa_tc6_reg_read(tc6, reg, &tmp);  in oa_tc6_reg_rmw()
163 	return oa_tc6_reg_write(tc6, reg, tmp);  in oa_tc6_reg_rmw()
166 int oa_tc6_set_protected_ctrl(struct oa_tc6 *tc6, bool prote)  in oa_tc6_set_protected_ctrl()  argument
168 	int ret = oa_tc6_reg_rmw(tc6, OA_CONFIG0, OA_CONFIG0_PROTE,  in oa_tc6_set_protected_ctrl()
174 	tc6->protected = prote;  in oa_tc6_set_protected_ctrl()
178 int oa_tc6_send_chunks(struct oa_tc6 *tc6, struct net_pkt *pkt)  in oa_tc6_send_chunks()  argument
181 	uint8_t oa_tx[tc6->cps];  in oa_tc6_send_chunks()
190 	chunks = len / tc6->cps;  in oa_tc6_send_chunks()
191 	if (len % tc6->cps) {  in oa_tc6_send_chunks()
196 	if (chunks > tc6->txc) {  in oa_tc6_send_chunks()
218 		ret = net_pkt_read(pkt, oa_tx, len > tc6->cps ? tc6->cps : len);  in oa_tc6_send_chunks()
223 		ret = oa_tc6_chunk_spi_transfer(tc6, NULL, oa_tx, hdr, &ftr);  in oa_tc6_send_chunks()
228 		len -= tc6->cps;  in oa_tc6_send_chunks()
234 int oa_tc6_check_status(struct oa_tc6 *tc6)  in oa_tc6_check_status()  argument
238 	if (!tc6->sync) {  in oa_tc6_check_status()
243 	if (tc6->exst) {  in oa_tc6_check_status()
249 		oa_tc6_reg_read(tc6, OA_STATUS0, &sts);  in oa_tc6_check_status()
251 			oa_tc6_reg_write(tc6, OA_STATUS0, sts);  in oa_tc6_check_status()
255 		oa_tc6_reg_read(tc6, OA_STATUS1, &sts);  in oa_tc6_check_status()
257 			oa_tc6_reg_write(tc6, OA_STATUS1, sts);  in oa_tc6_check_status()
265 static int oa_tc6_update_status(struct oa_tc6 *tc6, uint32_t ftr)  in oa_tc6_update_status()  argument
272 	tc6->exst = FIELD_GET(OA_DATA_FTR_EXST, ftr);  in oa_tc6_update_status()
273 	tc6->sync = FIELD_GET(OA_DATA_FTR_SYNC, ftr);  in oa_tc6_update_status()
274 	tc6->rca = FIELD_GET(OA_DATA_FTR_RCA, ftr);  in oa_tc6_update_status()
275 	tc6->txc = FIELD_GET(OA_DATA_FTR_TXC, ftr);  in oa_tc6_update_status()
280 int oa_tc6_chunk_spi_transfer(struct oa_tc6 *tc6, uint8_t *buf_rx, uint8_t *buf_tx,  in oa_tc6_chunk_spi_transfer()  argument
294 	tx_buf[1].len = tc6->cps;  in oa_tc6_chunk_spi_transfer()
300 	rx_buf[0].len = tc6->cps;  in oa_tc6_chunk_spi_transfer()
308 	ret = spi_transceive_dt(tc6->spi, &tx, &rx);  in oa_tc6_chunk_spi_transfer()
314 	return oa_tc6_update_status(tc6, *ftr);  in oa_tc6_chunk_spi_transfer()
317 int oa_tc6_read_status(struct oa_tc6 *tc6, uint32_t *ftr)  in oa_tc6_read_status()  argument
326 	return oa_tc6_chunk_spi_transfer(tc6, NULL, NULL, hdr, ftr);  in oa_tc6_read_status()
329 int oa_tc6_read_chunks(struct oa_tc6 *tc6, struct net_pkt *pkt)  in oa_tc6_read_chunks()  argument
346 	if (tc6->concat_buf) {  in oa_tc6_read_chunks()
347 		net_pkt_append_buffer(pkt, tc6->concat_buf);  in oa_tc6_read_chunks()
348 		tc6->concat_buf = NULL;  in oa_tc6_read_chunks()
363 		ret = oa_tc6_chunk_spi_transfer(tc6, buf_rx->data + buf_rx_used, NULL, hdr, &ftr);  in oa_tc6_read_chunks()
417 				tc6->concat_buf = net_buf_clone(buf_rx, OA_TC6_BUF_ALLOC_TIMEOUT);  in oa_tc6_read_chunks()
418 				if (!tc6->concat_buf) {  in oa_tc6_read_chunks()
423 				net_buf_pull(tc6->concat_buf, sbo);  in oa_tc6_read_chunks()
436 			buf_rx_used += tc6->cps;  in oa_tc6_read_chunks()
437 			if ((buf_rx_size - buf_rx_used) < tc6->cps) {  in oa_tc6_read_chunks()
444 	} while (tc6->rca > 0);  in oa_tc6_read_chunks()