13 #define SW_I2C_ADDR		0x1a
14 #define SW_I2C_EN		0x02
15 #define SW_SCL_OUT		0x04
16 #define SW_SDA_OUT		0x08
17 #define SW_SDA_IN		0x04
19 #define SW_I2C_BUSY_ADDR	0x2f
20 #define SW_I2C_BUSY		0x02
26 	u8 data = 0;  in mxl111sf_i2c_bitbang_sendbyte()
28 	mxl_i2c("(0x%02x)", byte);  in mxl111sf_i2c_bitbang_sendbyte()
34 	for (i = 0; i < 8; i++) {  in mxl111sf_i2c_bitbang_sendbyte()
36 		data = (byte & (0x80 >> i)) ? SW_SDA_OUT : 0;  in mxl111sf_i2c_bitbang_sendbyte()
39 					 0x10 | SW_I2C_EN | data);  in mxl111sf_i2c_bitbang_sendbyte()
44 					 0x10 | SW_I2C_EN | data | SW_SCL_OUT);  in mxl111sf_i2c_bitbang_sendbyte()
49 					 0x10 | SW_I2C_EN | data);  in mxl111sf_i2c_bitbang_sendbyte()
54 	/* last bit was 0 so we need to release SDA */  in mxl111sf_i2c_bitbang_sendbyte()
57 					 0x10 | SW_I2C_EN | SW_SDA_OUT);  in mxl111sf_i2c_bitbang_sendbyte()
64 				 0x10 | SW_I2C_EN | SW_SCL_OUT | SW_SDA_OUT);  in mxl111sf_i2c_bitbang_sendbyte()
74 				 0x10 | SW_I2C_EN | SW_SDA_OUT);  in mxl111sf_i2c_bitbang_sendbyte()
88 	u8 byte = 0;  in mxl111sf_i2c_bitbang_recvbyte()
89 	u8 data = 0;  in mxl111sf_i2c_bitbang_recvbyte()
93 	*pbyte = 0;  in mxl111sf_i2c_bitbang_recvbyte()
96 				 0x10 | SW_I2C_EN | SW_SDA_OUT);  in mxl111sf_i2c_bitbang_recvbyte()
100 	for (i = 0; i < 8; i++) {  in mxl111sf_i2c_bitbang_recvbyte()
102 					 0x10 | SW_I2C_EN |  in mxl111sf_i2c_bitbang_recvbyte()
112 			byte |= (0x80 >> i);  in mxl111sf_i2c_bitbang_recvbyte()
115 					 0x10 | SW_I2C_EN | SW_SDA_OUT);  in mxl111sf_i2c_bitbang_recvbyte()
131 				 0x10 | SW_I2C_EN | SW_SCL_OUT | SW_SDA_OUT);  in mxl111sf_i2c_start()
136 				 0x10 | SW_I2C_EN | SW_SCL_OUT);  in mxl111sf_i2c_start()
141 				 0x10 | SW_I2C_EN); /* start */  in mxl111sf_i2c_start()
154 				 0x10 | SW_I2C_EN); /* stop */  in mxl111sf_i2c_stop()
159 				 0x10 | SW_I2C_EN | SW_SCL_OUT);  in mxl111sf_i2c_stop()
164 				 0x10 | SW_I2C_EN | SW_SCL_OUT | SW_SDA_OUT);  in mxl111sf_i2c_stop()
169 				 0x10 | SW_SCL_OUT | SW_SDA_OUT);  in mxl111sf_i2c_stop()
178 	u8 b = 0;  in mxl111sf_i2c_ack()
187 				 0x10 | SW_I2C_EN);  in mxl111sf_i2c_ack()
193 				 0x10 | SW_I2C_EN | SW_SCL_OUT);  in mxl111sf_i2c_ack()
198 				 0x10 | SW_I2C_EN | SW_SDA_OUT);  in mxl111sf_i2c_ack()
212 				 0x10 | SW_I2C_EN | SW_SCL_OUT | SW_SDA_OUT);  in mxl111sf_i2c_nack()
217 				 0x10 | SW_I2C_EN | SW_SDA_OUT);  in mxl111sf_i2c_nack()
239 						    (msg->addr << 1) | 0x01);  in mxl111sf_i2c_sw_xfer_msg()
245 		for (i = 0; i < msg->len; i++) {  in mxl111sf_i2c_sw_xfer_msg()
270 						    (msg->addr << 1) & 0xfe);  in mxl111sf_i2c_sw_xfer_msg()
276 		for (i = 0; i < msg->len; i++) {  in mxl111sf_i2c_sw_xfer_msg()
294 #define USB_WRITE_I2C_CMD     0x99
295 #define USB_READ_I2C_CMD      0xdd
296 #define USB_END_I2C_CMD       0xfe
301 #define I2C_MUX_REG           0x30
302 #define I2C_CONTROL_REG       0x00
303 #define I2C_SLAVE_ADDR_REG    0x08
304 #define I2C_DATA_REG          0x0c
305 #define I2C_INT_STATUS_REG    0x10
310 	int ret = mxl111sf_ctrl_msg(state, wdata[0],  in mxl111sf_i2c_send_data()
311 				    &wdata[1], 25, NULL, 0);  in mxl111sf_i2c_send_data()
320 	int ret = mxl111sf_ctrl_msg(state, wdata[0],  in mxl111sf_i2c_get_data()
329 	u8 status = 0;  in mxl111sf_i2c_check_status()
334 	buf[0] = USB_READ_I2C_CMD;  in mxl111sf_i2c_check_status()
335 	buf[1] = 0x00;  in mxl111sf_i2c_check_status()
338 	buf[3] = 0x00;  in mxl111sf_i2c_check_status()
339 	buf[4] = 0x00;  in mxl111sf_i2c_check_status()
343 	mxl111sf_i2c_get_data(state, 0, buf, buf);  in mxl111sf_i2c_check_status()
345 	if (buf[1] & 0x04)  in mxl111sf_i2c_check_status()
353 	u8 status = 0;  in mxl111sf_i2c_check_fifo()
358 	buf[0] = USB_READ_I2C_CMD;  in mxl111sf_i2c_check_fifo()
359 	buf[1] = 0x00;  in mxl111sf_i2c_check_fifo()
362 	buf[3] = 0x00;  in mxl111sf_i2c_check_fifo()
363 	buf[4] = 0x00;  in mxl111sf_i2c_check_fifo()
366 	buf[6] = 0x00;  in mxl111sf_i2c_check_fifo()
367 	buf[7] = 0x00;  in mxl111sf_i2c_check_fifo()
370 	mxl111sf_i2c_get_data(state, 0, buf, buf);  in mxl111sf_i2c_check_fifo()
372 	if (0x08 == (buf[1] & 0x08))  in mxl111sf_i2c_check_fifo()
375 	if ((buf[5] & 0x02) == 0x02)  in mxl111sf_i2c_check_fifo()
376 		mxl_i2c("(buf[5] & 0x02) == 0x02"); /* FIXME */  in mxl111sf_i2c_check_fifo()
386 	u8 i = 0;  in mxl111sf_i2c_readagain()
387 	u8 fifo_status = 0;  in mxl111sf_i2c_readagain()
388 	int status = 0;  in mxl111sf_i2c_readagain()
392 	while ((fifo_status == 0) && (i++ < 5))  in mxl111sf_i2c_readagain()
395 	i2c_w_data[0] = 0xDD;  in mxl111sf_i2c_readagain()
396 	i2c_w_data[1] = 0x00;  in mxl111sf_i2c_readagain()
399 		i2c_w_data[i] = 0xFE;  in mxl111sf_i2c_readagain()
401 	for (i = 0; i < count; i++) {  in mxl111sf_i2c_readagain()
402 		i2c_w_data[2+(i*3)] = 0x0C;  in mxl111sf_i2c_readagain()
403 		i2c_w_data[3+(i*3)] = 0x00;  in mxl111sf_i2c_readagain()
404 		i2c_w_data[4+(i*3)] = 0x00;  in mxl111sf_i2c_readagain()
407 	mxl111sf_i2c_get_data(state, 0, i2c_w_data, i2c_r_data);  in mxl111sf_i2c_readagain()
413 		for (i = 0; i < count; i++) {  in mxl111sf_i2c_readagain()
430 	int i, k, ret = 0;  in mxl111sf_i2c_hw_xfer_msg()
431 	u16 index = 0;  in mxl111sf_i2c_hw_xfer_msg()
440 	mxl_i2c("addr: 0x%02x, read buff len: %d, write buff len: %d",  in mxl111sf_i2c_hw_xfer_msg()
441 		msg->addr, (msg->flags & I2C_M_RD) ? msg->len : 0,  in mxl111sf_i2c_hw_xfer_msg()
442 		(!(msg->flags & I2C_M_RD)) ? msg->len : 0);  in mxl111sf_i2c_hw_xfer_msg()
444 	for (index = 0; index < 26; index++)  in mxl111sf_i2c_hw_xfer_msg()
448 	buf[0] = USB_WRITE_I2C_CMD;  in mxl111sf_i2c_hw_xfer_msg()
449 	buf[1] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
453 	buf[3] = 0x80;  in mxl111sf_i2c_hw_xfer_msg()
454 	buf[4] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
458 	buf[6] = 0x81;  in mxl111sf_i2c_hw_xfer_msg()
459 	buf[7] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
462 	buf[8] = 0x14;  in mxl111sf_i2c_hw_xfer_msg()
463 	buf[9] = 0xff;  in mxl111sf_i2c_hw_xfer_msg()
464 	buf[10] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
465 #if 0  in mxl111sf_i2c_hw_xfer_msg()
467 	buf[8] = 0x24;  in mxl111sf_i2c_hw_xfer_msg()
468 	buf[9] = 0xF7;  in mxl111sf_i2c_hw_xfer_msg()
469 	buf[10] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
471 	buf[11] = 0x24;  in mxl111sf_i2c_hw_xfer_msg()
472 	buf[12] = 0xF7;  in mxl111sf_i2c_hw_xfer_msg()
473 	buf[13] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
475 	ret = mxl111sf_i2c_send_data(state, 0, buf);  in mxl111sf_i2c_hw_xfer_msg()
478 	if (!(msg->flags & I2C_M_RD) && (msg->len > 0)) {  in mxl111sf_i2c_hw_xfer_msg()
479 		mxl_i2c("%d\t%02x", msg->len, msg->buf[0]);  in mxl111sf_i2c_hw_xfer_msg()
483 		buf[3] = 0x5E;  in mxl111sf_i2c_hw_xfer_msg()
484 		buf[4] = (HWI2C400) ? 0x03 : 0x0D;  in mxl111sf_i2c_hw_xfer_msg()
489 		buf[7] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
491 		ret = mxl111sf_i2c_send_data(state, 0, buf);  in mxl111sf_i2c_hw_xfer_msg()
499 			buf[3] = 0x4E;  in mxl111sf_i2c_hw_xfer_msg()
500 			buf[4] = (HWI2C400) ? 0x03 : 0x0D;  in mxl111sf_i2c_hw_xfer_msg()
514 		for (index = 0; index < block_len; index++) {  in mxl111sf_i2c_hw_xfer_msg()
515 			for (i = 0; i < 8; i++) {  in mxl111sf_i2c_hw_xfer_msg()
519 				buf[4+(i*3)] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
522 			ret = mxl111sf_i2c_send_data(state, 0, buf);  in mxl111sf_i2c_hw_xfer_msg()
531 				buf[3] = 0x4E;  in mxl111sf_i2c_hw_xfer_msg()
532 				buf[4] = (HWI2C400) ? 0x03 : 0x0D;  in mxl111sf_i2c_hw_xfer_msg()
540 			for (k = 0; k < 26; k++)  in mxl111sf_i2c_hw_xfer_msg()
543 			buf[0] = 0x99;  in mxl111sf_i2c_hw_xfer_msg()
544 			buf[1] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
546 			for (i = 0; i < left_over_len; i++) {  in mxl111sf_i2c_hw_xfer_msg()
551 				buf[4+(i*3)] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
553 			ret = mxl111sf_i2c_send_data(state, 0, buf);  in mxl111sf_i2c_hw_xfer_msg()
562 				buf[3] = 0x4E;  in mxl111sf_i2c_hw_xfer_msg()
563 				buf[4] = (HWI2C400) ? 0x03 : 0x0D;  in mxl111sf_i2c_hw_xfer_msg()
572 		buf[3] = 0x4E;  in mxl111sf_i2c_hw_xfer_msg()
573 		buf[4] = (HWI2C400) ? 0x03 : 0x0D;  in mxl111sf_i2c_hw_xfer_msg()
578 	if ((msg->flags & I2C_M_RD) && (msg->len > 0)) {  in mxl111sf_i2c_hw_xfer_msg()
584 		buf[3] = 0xDF;  in mxl111sf_i2c_hw_xfer_msg()
585 		buf[4] = (HWI2C400) ? 0x03 : 0x0D;  in mxl111sf_i2c_hw_xfer_msg()
588 		buf[5] = 0x14;  in mxl111sf_i2c_hw_xfer_msg()
589 		buf[6] = (msg->len & 0xFF);  in mxl111sf_i2c_hw_xfer_msg()
590 		buf[7] = 0;  in mxl111sf_i2c_hw_xfer_msg()
595 		buf[10] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
597 		ret = mxl111sf_i2c_send_data(state, 0, buf);  in mxl111sf_i2c_hw_xfer_msg()
606 			buf[3] = 0xC7;  in mxl111sf_i2c_hw_xfer_msg()
607 			buf[4] = (HWI2C400) ? 0x03 : 0x0D;  in mxl111sf_i2c_hw_xfer_msg()
617 		index = 0;  in mxl111sf_i2c_hw_xfer_msg()
623 		buf[0] = USB_READ_I2C_CMD;  in mxl111sf_i2c_hw_xfer_msg()
624 		buf[1] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
626 		for (index = 0; index < block_len; index++) {  in mxl111sf_i2c_hw_xfer_msg()
628 			for (i = 0; i < 8; i++) {  in mxl111sf_i2c_hw_xfer_msg()
630 				buf[3+(i*3)] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
631 				buf[4+(i*3)] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
634 			ret = mxl111sf_i2c_get_data(state, 0, buf, i2c_r_data);  in mxl111sf_i2c_hw_xfer_msg()
643 				buf[3] = 0xC7;  in mxl111sf_i2c_hw_xfer_msg()
644 				buf[4] = (HWI2C400) ? 0x03 : 0x0D;  in mxl111sf_i2c_hw_xfer_msg()
650 			for (i = 0; i < 8; i++) {  in mxl111sf_i2c_hw_xfer_msg()
653 				if (rd_status[i] == 0x04) {  in mxl111sf_i2c_hw_xfer_msg()
665 							for (k = 0;  in mxl111sf_i2c_hw_xfer_msg()
698 			for (k = 0; k < 26; k++)  in mxl111sf_i2c_hw_xfer_msg()
701 			buf[0] = 0xDD;  in mxl111sf_i2c_hw_xfer_msg()
702 			buf[1] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
704 			for (i = 0; i < left_over_len; i++) {  in mxl111sf_i2c_hw_xfer_msg()
706 				buf[3+(i*3)] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
707 				buf[4+(i*3)] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
709 			ret = mxl111sf_i2c_get_data(state, 0, buf,  in mxl111sf_i2c_hw_xfer_msg()
719 				buf[3] = 0xC7;  in mxl111sf_i2c_hw_xfer_msg()
720 				buf[4] = (HWI2C400) ? 0x03 : 0x0D;  in mxl111sf_i2c_hw_xfer_msg()
725 			for (i = 0; i < left_over_len; i++) {  in mxl111sf_i2c_hw_xfer_msg()
736 		buf[0] = USB_WRITE_I2C_CMD;  in mxl111sf_i2c_hw_xfer_msg()
737 		buf[1] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
741 		buf[3] = 0x17;  in mxl111sf_i2c_hw_xfer_msg()
742 		buf[4] = (HWI2C400) ? 0x03 : 0x0D;  in mxl111sf_i2c_hw_xfer_msg()
745 		ret = mxl111sf_i2c_send_data(state, 0, buf);  in mxl111sf_i2c_hw_xfer_msg()
749 		buf[3] = 0xC7;  in mxl111sf_i2c_hw_xfer_msg()
750 		buf[4] = (HWI2C400) ? 0x03 : 0x0D;  in mxl111sf_i2c_hw_xfer_msg()
755 	buf[0] = USB_WRITE_I2C_CMD;  in mxl111sf_i2c_hw_xfer_msg()
756 	buf[1] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
760 	mxl111sf_i2c_send_data(state, 0, buf);  in mxl111sf_i2c_hw_xfer_msg()
764 	buf[3] = 0xDF;  in mxl111sf_i2c_hw_xfer_msg()
765 	buf[4] = 0x03;  in mxl111sf_i2c_hw_xfer_msg()
769 	buf[6] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
770 	buf[7] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
774 	mxl111sf_i2c_send_data(state, 0, buf);  in mxl111sf_i2c_hw_xfer_msg()
778 	buf[3] = 0x81;  in mxl111sf_i2c_hw_xfer_msg()
779 	buf[4] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
783 	buf[6] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
784 	buf[7] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
788 	buf[9] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
789 	buf[10] = 0x00;  in mxl111sf_i2c_hw_xfer_msg()
792 	mxl111sf_i2c_send_data(state, 0, buf);  in mxl111sf_i2c_hw_xfer_msg()
807 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)  in mxl111sf_i2c_xfer()
810 	for (i = 0; i < num; i++) {  in mxl111sf_i2c_xfer()
815 			mxl_debug_adv("failed with error %d on i2c transaction %d of %d, %sing %d bytes to/from 0x%02x",  in mxl111sf_i2c_xfer()