136 xgbe_i2c_abort(struct xgbe_prv_data *pdata)  in xgbe_i2c_abort()  argument
141 	XI2C_IOWRITE_BITS(pdata, IC_ENABLE, EN, 1);  in xgbe_i2c_abort()
144 	XI2C_IOWRITE_BITS(pdata, IC_ENABLE, ABORT, 1);  in xgbe_i2c_abort()
147 		if (!XI2C_IOREAD_BITS(pdata, IC_ENABLE, ABORT))  in xgbe_i2c_abort()
157 xgbe_i2c_set_enable(struct xgbe_prv_data *pdata, bool enable)  in xgbe_i2c_set_enable()  argument
163 		XI2C_IOWRITE_BITS(pdata, IC_ENABLE, EN, mode);  in xgbe_i2c_set_enable()
164 		if (XI2C_IOREAD_BITS(pdata, IC_ENABLE_STATUS, EN) == mode)  in xgbe_i2c_set_enable()
174 xgbe_i2c_disable(struct xgbe_prv_data *pdata)  in xgbe_i2c_disable()  argument
178 	ret = xgbe_i2c_set_enable(pdata, false);  in xgbe_i2c_disable()
181 		ret = xgbe_i2c_abort(pdata);  in xgbe_i2c_disable()
188 		ret = xgbe_i2c_set_enable(pdata, false);  in xgbe_i2c_disable()
196 xgbe_i2c_enable(struct xgbe_prv_data *pdata)  in xgbe_i2c_enable()  argument
198 	return (xgbe_i2c_set_enable(pdata, true));  in xgbe_i2c_enable()
202 xgbe_i2c_clear_all_interrupts(struct xgbe_prv_data *pdata)  in xgbe_i2c_clear_all_interrupts()  argument
204 	XI2C_IOREAD(pdata, IC_CLR_INTR);  in xgbe_i2c_clear_all_interrupts()
208 xgbe_i2c_disable_interrupts(struct xgbe_prv_data *pdata)  in xgbe_i2c_disable_interrupts()  argument
210 	XI2C_IOWRITE(pdata, IC_INTR_MASK, 0);  in xgbe_i2c_disable_interrupts()
214 xgbe_i2c_enable_interrupts(struct xgbe_prv_data *pdata)  in xgbe_i2c_enable_interrupts()  argument
216 	XI2C_IOWRITE(pdata, IC_INTR_MASK, XGBE_DEFAULT_INT_MASK);  in xgbe_i2c_enable_interrupts()
220 xgbe_i2c_write(struct xgbe_prv_data *pdata)  in xgbe_i2c_write()  argument
222 	struct xgbe_i2c_op_state *state = &pdata->i2c.op_state;  in xgbe_i2c_write()
226 	tx_slots = pdata->i2c.tx_fifo_size - XI2C_IOREAD(pdata, IC_TXFLR);  in xgbe_i2c_write()
242 		XI2C_IOWRITE(pdata, IC_DATA_CMD, cmd);  in xgbe_i2c_write()
250 		XI2C_IOWRITE_BITS(pdata, IC_INTR_MASK, TX_EMPTY, 0);  in xgbe_i2c_write()
254 xgbe_i2c_read(struct xgbe_prv_data *pdata)  in xgbe_i2c_read()  argument
256 	struct xgbe_i2c_op_state *state = &pdata->i2c.op_state;  in xgbe_i2c_read()
264 	rx_slots = XI2C_IOREAD(pdata, IC_RXFLR);  in xgbe_i2c_read()
269 		*state->rx_buf++ = XI2C_IOREAD(pdata, IC_DATA_CMD);  in xgbe_i2c_read()
276 xgbe_i2c_clear_isr_interrupts(struct xgbe_prv_data *pdata, unsigned int isr)  in xgbe_i2c_clear_isr_interrupts()  argument
278 	struct xgbe_i2c_op_state *state = &pdata->i2c.op_state;  in xgbe_i2c_clear_isr_interrupts()
281 		state->tx_abort_source = XI2C_IOREAD(pdata, IC_TX_ABRT_SOURCE);  in xgbe_i2c_clear_isr_interrupts()
282 		XI2C_IOREAD(pdata, IC_CLR_TX_ABRT);  in xgbe_i2c_clear_isr_interrupts()
286 		XI2C_IOREAD(pdata, IC_CLR_STOP_DET);  in xgbe_i2c_clear_isr_interrupts()
292 	struct xgbe_prv_data *pdata = (struct xgbe_prv_data *)data;  in xgbe_i2c_isr()  local
293 	struct xgbe_i2c_op_state *state = &pdata->i2c.op_state;  in xgbe_i2c_isr()
296 	isr = XI2C_IOREAD(pdata, IC_RAW_INTR_STAT);  in xgbe_i2c_isr()
303 	xgbe_i2c_clear_isr_interrupts(pdata, isr);  in xgbe_i2c_isr()
310 		xgbe_i2c_disable_interrupts(pdata);  in xgbe_i2c_isr()
317 	xgbe_i2c_read(pdata);  in xgbe_i2c_isr()
320 	xgbe_i2c_write(pdata);  in xgbe_i2c_isr()
328 		pdata->i2c_complete = true;  in xgbe_i2c_isr()
334 	if (pdata->vdata->irq_reissue_support)  in xgbe_i2c_isr()
335 		XP_IOWRITE(pdata, XP_INT_REISSUE_EN, 1 << 2);  in xgbe_i2c_isr()
339 xgbe_i2c_set_mode(struct xgbe_prv_data *pdata)  in xgbe_i2c_set_mode()  argument
343 	reg = XI2C_IOREAD(pdata, IC_CON);  in xgbe_i2c_set_mode()
349 	XI2C_IOWRITE(pdata, IC_CON, reg);  in xgbe_i2c_set_mode()
353 xgbe_i2c_get_features(struct xgbe_prv_data *pdata)  in xgbe_i2c_get_features()  argument
355 	struct xgbe_i2c *i2c = &pdata->i2c;  in xgbe_i2c_get_features()
358 	reg = XI2C_IOREAD(pdata, IC_COMP_PARAM_1);  in xgbe_i2c_get_features()
373 xgbe_i2c_set_target(struct xgbe_prv_data *pdata, unsigned int addr)  in xgbe_i2c_set_target()  argument
375 	XI2C_IOWRITE(pdata, IC_TAR, addr);  in xgbe_i2c_set_target()
379 xgbe_i2c_combined_isr(struct xgbe_prv_data *pdata)  in xgbe_i2c_combined_isr()  argument
381 	xgbe_i2c_isr(pdata);  in xgbe_i2c_combined_isr()
385 xgbe_i2c_xfer(struct xgbe_prv_data *pdata, struct xgbe_i2c_op *op)  in xgbe_i2c_xfer()  argument
387 	struct xgbe_i2c_op_state *state = &pdata->i2c.op_state;  in xgbe_i2c_xfer()
391 	mtx_lock(&pdata->i2c_mutex);  in xgbe_i2c_xfer()
395 	ret = xgbe_i2c_disable(pdata);  in xgbe_i2c_xfer()
401 	xgbe_i2c_set_target(pdata, op->target);  in xgbe_i2c_xfer()
410 	xgbe_i2c_clear_all_interrupts(pdata);  in xgbe_i2c_xfer()
411 	ret = xgbe_i2c_enable(pdata);  in xgbe_i2c_xfer()
420 	xgbe_i2c_enable_interrupts(pdata);  in xgbe_i2c_xfer()
425 		if (!pdata->i2c_complete) {  in xgbe_i2c_xfer()
434 	if ((ticks >= timeout) && !pdata->i2c_complete) {  in xgbe_i2c_xfer()
456 	pdata->i2c_complete = false;  in xgbe_i2c_xfer()
457 	xgbe_i2c_disable_interrupts(pdata);  in xgbe_i2c_xfer()
458 	xgbe_i2c_disable(pdata);  in xgbe_i2c_xfer()
461 	mtx_unlock(&pdata->i2c_mutex);  in xgbe_i2c_xfer()
466 xgbe_i2c_stop(struct xgbe_prv_data *pdata)  in xgbe_i2c_stop()  argument
468 	if (!pdata->i2c.started)  in xgbe_i2c_stop()
473 	pdata->i2c.started = 0;  in xgbe_i2c_stop()
475 	xgbe_i2c_disable_interrupts(pdata);  in xgbe_i2c_stop()
476 	xgbe_i2c_disable(pdata);  in xgbe_i2c_stop()
477 	xgbe_i2c_clear_all_interrupts(pdata);  in xgbe_i2c_stop()
481 xgbe_i2c_start(struct xgbe_prv_data *pdata)  in xgbe_i2c_start()  argument
483 	if (pdata->i2c.started)  in xgbe_i2c_start()
486 	pdata->i2c.started = 1;  in xgbe_i2c_start()
492 xgbe_i2c_init(struct xgbe_prv_data *pdata)  in xgbe_i2c_init()  argument
497 	mtx_init(&pdata->i2c_mutex, "xgbe i2c mutex lock", NULL, MTX_DEF);  in xgbe_i2c_init()
498 	pdata->i2c_complete = false;  in xgbe_i2c_init()
500 	xgbe_i2c_disable_interrupts(pdata);  in xgbe_i2c_init()
502 	ret = xgbe_i2c_disable(pdata);  in xgbe_i2c_init()
508 	xgbe_i2c_get_features(pdata);  in xgbe_i2c_init()
510 	xgbe_i2c_set_mode(pdata);  in xgbe_i2c_init()
512 	xgbe_i2c_clear_all_interrupts(pdata);  in xgbe_i2c_init()
514 	xgbe_dump_i2c_registers(pdata);  in xgbe_i2c_init()