71 static int	interpret_command_bytes(const char *parg, struct spi_options *popt);
72 static void *	prep_write_buffer(struct spi_options *popt);
74 static int	_do_data_output(void *pr, struct spi_options *popt);
76 static int	set_mode(int hdev, struct spi_options *popt);
77 static int	set_speed(int hdev, struct spi_options *popt);
79 static int	perform_read(int hdev, struct spi_options *popt);
80 static int	perform_write(int hdev, struct spi_options *popt);
81 static int	perform_readwrite(int hdev, struct spi_options *popt);
382 interpret_command_bytes(const char *parg, struct spi_options *popt)  in interpret_command_bytes()  argument
391 	popt->pcmd = (uint8_t *)malloc(cbcmd);  in interpret_command_bytes()
393 	if (!popt->pcmd)  in interpret_command_bytes()
396 	pcur = popt->pcmd;  in interpret_command_bytes()
425 			ptemp = realloc(popt->pcmd, cbcmd);  in interpret_command_bytes()
435 			popt->pcmd = (uint8_t *)ptemp;  in interpret_command_bytes()
436 			pcur = popt->pcmd + ctr;  in interpret_command_bytes()
439 		if (popt->lsb)  in interpret_command_bytes()
448 	popt->ncmd = ctr; /* record num bytes in '-C' argument */  in interpret_command_bytes()
487 set_mode(int hdev, struct spi_options *popt)  in set_mode()  argument
489 	uint32_t fmode = popt->mode;  in set_mode()
491 	if (popt->mode < 0)	/* use default? */  in set_mode()
498 set_speed(int hdev, struct spi_options *popt)  in set_speed()  argument
500 	uint32_t clock_speed = popt->speed;  in set_speed()
502 	if (popt->speed < 0)  in set_speed()
522 prep_write_buffer(struct spi_options *popt)  in prep_write_buffer()  argument
529 	ncmd = popt->ncmd; /* num command bytes (can be zero) */  in prep_write_buffer()
531 	if (ncmd == 0 && popt->count == 0)  in prep_write_buffer()
535 	if (popt->count < 0) {  in prep_write_buffer()
539 		cbdata = popt->count;  in prep_write_buffer()
542 	lsb = popt->lsb; /* non-zero if LSB order; else MSB */  in prep_write_buffer()
552 	if (popt->pcmd && ncmd > 0) {  in prep_write_buffer()
553 		memcpy(pdata, popt->pcmd, ncmd); /* copy command bytes */  in prep_write_buffer()
568 		if (popt->ASCII) {  in prep_write_buffer()
619 	if (popt->verbose > 0) {  in prep_write_buffer()
627 		if (popt->ASCII)  in prep_write_buffer()
639 	if (popt->count < 0) {  in prep_write_buffer()
640 		popt->count = cbread;  in prep_write_buffer()
658 	if (popt->verbose > 0 && popt->count + popt->ncmd) {  in prep_write_buffer()
659 		if ((popt->count + popt->ncmd) == 1)  in prep_write_buffer()
665 		        popt->count + popt->ncmd, szbytes);  in prep_write_buffer()
667 		verbose_dump_buffer(pdata, popt->count + popt->ncmd, lsb);  in prep_write_buffer()
720 _do_data_output(void *pr, struct spi_options *popt)  in _do_data_output()  argument
726 	pbuf = (uint8_t *)pr + popt->ncmd; /* only the data we want */  in _do_data_output()
727 	icount = popt->count;  in _do_data_output()
739 	if (popt->ncmd != 1)  in _do_data_output()
745 	if (popt->binary || !popt->ASCII) {  in _do_data_output()
746 		if (popt->verbose > 0)  in _do_data_output()
753 		if (popt->verbose > 0)  in _do_data_output()
778 	else if (popt->verbose > 0 && icount) {  in _do_data_output()
781 		    popt->ncmd, sz_byte2, icount, sz_bytes);  in _do_data_output()
784 		verbose_dump_buffer(pr, icount + popt->ncmd, popt->lsb);  in _do_data_output()
791 perform_read(int hdev, struct spi_options *popt)  in perform_read()  argument
797 	icount = popt->count + popt->ncmd;  in perform_read()
810 	if (popt->pcmd && popt->ncmd > 0)  in perform_read()
811 		memcpy(pw, popt->pcmd, popt->ncmd);  in perform_read()
822 	err = _read_write(hdev, pw, pr, icount, popt->lsb);  in perform_read()
824 	if (!err && popt->count > 0)  in perform_read()
825 		err = _do_data_output(pr, popt);  in perform_read()
836 perform_write(int hdev, struct spi_options *popt)  in perform_write()  argument
843 	pw = prep_write_buffer(popt);  in perform_write()
850 	err = _read_write(hdev, pw, NULL, popt->count + popt->ncmd, popt->lsb);  in perform_write()
860 perform_readwrite(int hdev, struct spi_options *popt)  in perform_readwrite()  argument
867 	pw = prep_write_buffer(popt);  in perform_readwrite()
868 	icount = popt->count + popt->ncmd; /* assign after fn call */  in perform_readwrite()
884 	err = _read_write(hdev, pw, pr, icount, popt->lsb);  in perform_readwrite()
887 		err = _do_data_output(pr, popt);  in perform_readwrite()