35 				       const struct spi_mem_op *op,  in spi_controller_dma_map_mem_op_data()  argument
40 	if (!op->data.nbytes)  in spi_controller_dma_map_mem_op_data()
43 	if (op->data.dir == SPI_MEM_DATA_OUT && ctlr->dma_tx)  in spi_controller_dma_map_mem_op_data()
45 	else if (op->data.dir == SPI_MEM_DATA_IN && ctlr->dma_rx)  in spi_controller_dma_map_mem_op_data()
53 	return spi_map_buf(ctlr, dmadev, sgt, op->data.buf.in, op->data.nbytes,  in spi_controller_dma_map_mem_op_data()
54 			   op->data.dir == SPI_MEM_DATA_IN ?  in spi_controller_dma_map_mem_op_data()
81 					  const struct spi_mem_op *op,  in spi_controller_dma_unmap_mem_op_data()  argument
86 	if (!op->data.nbytes)  in spi_controller_dma_unmap_mem_op_data()
89 	if (op->data.dir == SPI_MEM_DATA_OUT && ctlr->dma_tx)  in spi_controller_dma_unmap_mem_op_data()
91 	else if (op->data.dir == SPI_MEM_DATA_IN && ctlr->dma_rx)  in spi_controller_dma_unmap_mem_op_data()
97 		      op->data.dir == SPI_MEM_DATA_IN ?  in spi_controller_dma_unmap_mem_op_data()
141 				   const struct spi_mem_op *op)  in spi_mem_check_buswidth()  argument
143 	if (spi_check_buswidth_req(mem, op->cmd.buswidth, true))  in spi_mem_check_buswidth()
146 	if (op->addr.nbytes &&  in spi_mem_check_buswidth()
147 	    spi_check_buswidth_req(mem, op->addr.buswidth, true))  in spi_mem_check_buswidth()
150 	if (op->dummy.nbytes &&  in spi_mem_check_buswidth()
151 	    spi_check_buswidth_req(mem, op->dummy.buswidth, true))  in spi_mem_check_buswidth()
154 	if (op->data.dir != SPI_MEM_NO_DATA &&  in spi_mem_check_buswidth()
155 	    spi_check_buswidth_req(mem, op->data.buswidth,  in spi_mem_check_buswidth()
156 				   op->data.dir == SPI_MEM_DATA_OUT))  in spi_mem_check_buswidth()
163 			     const struct spi_mem_op *op)  in spi_mem_dtr_supports_op()  argument
165 	if (op->cmd.nbytes != 2)  in spi_mem_dtr_supports_op()
168 	return spi_mem_check_buswidth(mem, op);  in spi_mem_dtr_supports_op()
173 				 const struct spi_mem_op *op)  in spi_mem_default_supports_op()  argument
175 	if (op->cmd.dtr || op->addr.dtr || op->dummy.dtr || op->data.dtr)  in spi_mem_default_supports_op()
178 	if (op->cmd.nbytes != 1)  in spi_mem_default_supports_op()
181 	return spi_mem_check_buswidth(mem, op);  in spi_mem_default_supports_op()
193 static int spi_mem_check_op(const struct spi_mem_op *op)  in spi_mem_check_op()  argument
195 	if (!op->cmd.buswidth || !op->cmd.nbytes)  in spi_mem_check_op()
198 	if ((op->addr.nbytes && !op->addr.buswidth) ||  in spi_mem_check_op()
199 	    (op->dummy.nbytes && !op->dummy.buswidth) ||  in spi_mem_check_op()
200 	    (op->data.nbytes && !op->data.buswidth))  in spi_mem_check_op()
203 	if (!spi_mem_buswidth_is_valid(op->cmd.buswidth) ||  in spi_mem_check_op()
204 	    !spi_mem_buswidth_is_valid(op->addr.buswidth) ||  in spi_mem_check_op()
205 	    !spi_mem_buswidth_is_valid(op->dummy.buswidth) ||  in spi_mem_check_op()
206 	    !spi_mem_buswidth_is_valid(op->data.buswidth))  in spi_mem_check_op()
213 					 const struct spi_mem_op *op)  in spi_mem_internal_supports_op()  argument
218 		return ctlr->mem_ops->supports_op(mem, op);  in spi_mem_internal_supports_op()
220 	return spi_mem_default_supports_op(mem, op);  in spi_mem_internal_supports_op()
238 bool spi_mem_supports_op(struct spi_mem *mem, const struct spi_mem_op *op)  in spi_mem_supports_op()  argument
240 	if (spi_mem_check_op(op))  in spi_mem_supports_op()
243 	return spi_mem_internal_supports_op(mem, op);  in spi_mem_supports_op()
298 int spi_mem_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)  in spi_mem_exec_op()  argument
307 	ret = spi_mem_check_op(op);  in spi_mem_exec_op()
311 	if (!spi_mem_internal_supports_op(mem, op))  in spi_mem_exec_op()
319 		ret = ctlr->mem_ops->exec_op(mem, op);  in spi_mem_exec_op()
332 	tmpbufsize = op->cmd.nbytes + op->addr.nbytes + op->dummy.nbytes;  in spi_mem_exec_op()
345 	tmpbuf[0] = op->cmd.opcode;  in spi_mem_exec_op()
347 	xfers[xferpos].len = op->cmd.nbytes;  in spi_mem_exec_op()
348 	xfers[xferpos].tx_nbits = op->cmd.buswidth;  in spi_mem_exec_op()
353 	if (op->addr.nbytes) {  in spi_mem_exec_op()
356 		for (i = 0; i < op->addr.nbytes; i++)  in spi_mem_exec_op()
357 			tmpbuf[i + 1] = op->addr.val >>  in spi_mem_exec_op()
358 					(8 * (op->addr.nbytes - i - 1));  in spi_mem_exec_op()
361 		xfers[xferpos].len = op->addr.nbytes;  in spi_mem_exec_op()
362 		xfers[xferpos].tx_nbits = op->addr.buswidth;  in spi_mem_exec_op()
365 		totalxferlen += op->addr.nbytes;  in spi_mem_exec_op()
368 	if (op->dummy.nbytes) {  in spi_mem_exec_op()
369 		memset(tmpbuf + op->addr.nbytes + 1, 0xff, op->dummy.nbytes);  in spi_mem_exec_op()
370 		xfers[xferpos].tx_buf = tmpbuf + op->addr.nbytes + 1;  in spi_mem_exec_op()
371 		xfers[xferpos].len = op->dummy.nbytes;  in spi_mem_exec_op()
372 		xfers[xferpos].tx_nbits = op->dummy.buswidth;  in spi_mem_exec_op()
375 		totalxferlen += op->dummy.nbytes;  in spi_mem_exec_op()
378 	if (op->data.nbytes) {  in spi_mem_exec_op()
379 		if (op->data.dir == SPI_MEM_DATA_IN) {  in spi_mem_exec_op()
380 			xfers[xferpos].rx_buf = op->data.buf.in;  in spi_mem_exec_op()
381 			xfers[xferpos].rx_nbits = op->data.buswidth;  in spi_mem_exec_op()
383 			xfers[xferpos].tx_buf = op->data.buf.out;  in spi_mem_exec_op()
384 			xfers[xferpos].tx_nbits = op->data.buswidth;  in spi_mem_exec_op()
387 		xfers[xferpos].len = op->data.nbytes;  in spi_mem_exec_op()
390 		totalxferlen += op->data.nbytes;  in spi_mem_exec_op()
440 int spi_mem_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op)  in spi_mem_adjust_op_size()  argument
446 		return ctlr->mem_ops->adjust_op_size(mem, op);  in spi_mem_adjust_op_size()
449 		len = op->cmd.nbytes + op->addr.nbytes + op->dummy.nbytes;  in spi_mem_adjust_op_size()
454 		op->data.nbytes = min3((size_t)op->data.nbytes,  in spi_mem_adjust_op_size()
458 		if (!op->data.nbytes)  in spi_mem_adjust_op_size()
469 	struct spi_mem_op op = desc->info.op_tmpl;  in spi_mem_no_dirmap_read()  local
472 	op.addr.val = desc->info.offset + offs;  in spi_mem_no_dirmap_read()
473 	op.data.buf.in = buf;  in spi_mem_no_dirmap_read()
474 	op.data.nbytes = len;  in spi_mem_no_dirmap_read()
475 	ret = spi_mem_adjust_op_size(desc->mem, &op);  in spi_mem_no_dirmap_read()
479 	ret = spi_mem_exec_op(desc->mem, &op);  in spi_mem_no_dirmap_read()
483 	return op.data.nbytes;  in spi_mem_no_dirmap_read()
489 	struct spi_mem_op op = desc->info.op_tmpl;  in spi_mem_no_dirmap_write()  local
492 	op.addr.val = desc->info.offset + offs;  in spi_mem_no_dirmap_write()
493 	op.data.buf.out = buf;  in spi_mem_no_dirmap_write()
494 	op.data.nbytes = len;  in spi_mem_no_dirmap_write()
495 	ret = spi_mem_adjust_op_size(desc->mem, &op);  in spi_mem_no_dirmap_write()
499 	ret = spi_mem_exec_op(desc->mem, &op);  in spi_mem_no_dirmap_write()
503 	return op.data.nbytes;  in spi_mem_no_dirmap_write()