62 iop3xx_i2c_reset(struct i2c_algo_iop3xx_data *iop3xx_adap)  in iop3xx_i2c_reset()  argument
65 	__raw_writel(IOP3XX_ICR_UNIT_RESET, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_reset()
66 	__raw_writel(IOP3XX_ISR_CLEARBITS, iop3xx_adap->ioaddr + SR_OFFSET);  in iop3xx_i2c_reset()
67 	__raw_writel(0, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_reset()
71 iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap)  in iop3xx_i2c_enable()  argument
80 	if (iop3xx_adap->id == 0) {  in iop3xx_i2c_enable()
89 	iop3xx_adap->SR_enabled =  in iop3xx_i2c_enable()
96 	__raw_writel(cr, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_enable()
100 iop3xx_i2c_transaction_cleanup(struct i2c_algo_iop3xx_data *iop3xx_adap)  in iop3xx_i2c_transaction_cleanup()  argument
102 	unsigned long cr = __raw_readl(iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_transaction_cleanup()
107 	__raw_writel(cr, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_transaction_cleanup()
117 	struct i2c_algo_iop3xx_data *iop3xx_adap = dev_id;  in iop3xx_i2c_irq_handler()  local
118 	u32 sr = __raw_readl(iop3xx_adap->ioaddr + SR_OFFSET);  in iop3xx_i2c_irq_handler()
120 	if ((sr &= iop3xx_adap->SR_enabled)) {  in iop3xx_i2c_irq_handler()
121 		__raw_writel(sr, iop3xx_adap->ioaddr + SR_OFFSET);  in iop3xx_i2c_irq_handler()
122 		iop3xx_adap->SR_received |= sr;  in iop3xx_i2c_irq_handler()
123 		wake_up_interruptible(&iop3xx_adap->waitq);  in iop3xx_i2c_irq_handler()
144 iop3xx_i2c_get_srstat(struct i2c_algo_iop3xx_data *iop3xx_adap)  in iop3xx_i2c_get_srstat()  argument
149 	spin_lock_irqsave(&iop3xx_adap->lock, flags);  in iop3xx_i2c_get_srstat()
150 	sr = iop3xx_adap->SR_received;  in iop3xx_i2c_get_srstat()
151 	iop3xx_adap->SR_received = 0;  in iop3xx_i2c_get_srstat()
152 	spin_unlock_irqrestore(&iop3xx_adap->lock, flags);  in iop3xx_i2c_get_srstat()
165 iop3xx_i2c_wait_event(struct i2c_algo_iop3xx_data *iop3xx_adap,  in iop3xx_i2c_wait_event()  argument
176 			iop3xx_adap->waitq,  in iop3xx_i2c_wait_event()
177 			(done = compare( sr = iop3xx_i2c_get_srstat(iop3xx_adap) ,flags )),  in iop3xx_i2c_wait_event()
210 iop3xx_i2c_wait_tx_done(struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)  in iop3xx_i2c_wait_tx_done()  argument
213 		iop3xx_adap,  in iop3xx_i2c_wait_tx_done()
219 iop3xx_i2c_wait_rx_done(struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)  in iop3xx_i2c_wait_rx_done()  argument
222 		iop3xx_adap,  in iop3xx_i2c_wait_rx_done()
228 iop3xx_i2c_wait_idle(struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)  in iop3xx_i2c_wait_idle()  argument
231 		iop3xx_adap, IOP3XX_ISR_UNITBUSY, status, all_bits_clear);  in iop3xx_i2c_wait_idle()
235 iop3xx_i2c_send_target_addr(struct i2c_algo_iop3xx_data *iop3xx_adap,  in iop3xx_i2c_send_target_addr()  argument
238 	unsigned long cr = __raw_readl(iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_send_target_addr()
249 	__raw_writel(iic_cook_addr(msg), iop3xx_adap->ioaddr + DBR_OFFSET);  in iop3xx_i2c_send_target_addr()
254 	__raw_writel(cr, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_send_target_addr()
255 	rc = iop3xx_i2c_wait_tx_done(iop3xx_adap, &status);  in iop3xx_i2c_send_target_addr()
261 iop3xx_i2c_write_byte(struct i2c_algo_iop3xx_data *iop3xx_adap, char byte,  in iop3xx_i2c_write_byte()  argument
264 	unsigned long cr = __raw_readl(iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_write_byte()
268 	__raw_writel(byte, iop3xx_adap->ioaddr + DBR_OFFSET);  in iop3xx_i2c_write_byte()
276 	__raw_writel(cr, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_write_byte()
277 	rc = iop3xx_i2c_wait_tx_done(iop3xx_adap, &status);  in iop3xx_i2c_write_byte()
283 iop3xx_i2c_read_byte(struct i2c_algo_iop3xx_data *iop3xx_adap, char* byte,  in iop3xx_i2c_read_byte()  argument
286 	unsigned long cr = __raw_readl(iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_read_byte()
298 	__raw_writel(cr, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_read_byte()
300 	rc = iop3xx_i2c_wait_rx_done(iop3xx_adap, &status);  in iop3xx_i2c_read_byte()
302 	*byte = __raw_readl(iop3xx_adap->ioaddr + DBR_OFFSET);  in iop3xx_i2c_read_byte()
310 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;  in iop3xx_i2c_writebytes()  local
315 		rc = iop3xx_i2c_write_byte(iop3xx_adap, buf[ii], ii==count-1);  in iop3xx_i2c_writebytes()
322 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;  in iop3xx_i2c_readbytes()  local
327 		rc = iop3xx_i2c_read_byte(iop3xx_adap, &buf[ii], ii==count-1);  in iop3xx_i2c_readbytes()
342 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;  in iop3xx_i2c_handle_msg()  local
345 	rc = iop3xx_i2c_send_target_addr(iop3xx_adap, pmsg);  in iop3xx_i2c_handle_msg()
364 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;  in iop3xx_i2c_master_xfer()  local
369 	iop3xx_i2c_wait_idle(iop3xx_adap, &status);  in iop3xx_i2c_master_xfer()
370 	iop3xx_i2c_reset(iop3xx_adap);  in iop3xx_i2c_master_xfer()
371 	iop3xx_i2c_enable(iop3xx_adap);  in iop3xx_i2c_master_xfer()
377 	iop3xx_i2c_transaction_cleanup(iop3xx_adap);  in iop3xx_i2c_master_xfer()