56 iop3xx_i2c_reset(struct i2c_algo_iop3xx_data *iop3xx_adap)  in iop3xx_i2c_reset()  argument
59 	__raw_writel(IOP3XX_ICR_UNIT_RESET, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_reset()
60 	__raw_writel(IOP3XX_ISR_CLEARBITS, iop3xx_adap->ioaddr + SR_OFFSET);  in iop3xx_i2c_reset()
61 	__raw_writel(0, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_reset()
65 iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap)  in iop3xx_i2c_enable()  argument
76 	if (iop3xx_adap->gpio_scl)  in iop3xx_i2c_enable()
77 		gpiod_set_raw_value(iop3xx_adap->gpio_scl, 0);  in iop3xx_i2c_enable()
78 	if (iop3xx_adap->gpio_sda)  in iop3xx_i2c_enable()
79 		gpiod_set_raw_value(iop3xx_adap->gpio_sda, 0);  in iop3xx_i2c_enable()
82 	iop3xx_adap->SR_enabled =  in iop3xx_i2c_enable()
89 	__raw_writel(cr, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_enable()
93 iop3xx_i2c_transaction_cleanup(struct i2c_algo_iop3xx_data *iop3xx_adap)  in iop3xx_i2c_transaction_cleanup()  argument
95 	unsigned long cr = __raw_readl(iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_transaction_cleanup()
100 	__raw_writel(cr, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_transaction_cleanup()
110 	struct i2c_algo_iop3xx_data *iop3xx_adap = dev_id;  in iop3xx_i2c_irq_handler()  local
111 	u32 sr = __raw_readl(iop3xx_adap->ioaddr + SR_OFFSET);  in iop3xx_i2c_irq_handler()
113 	if ((sr &= iop3xx_adap->SR_enabled)) {  in iop3xx_i2c_irq_handler()
114 		__raw_writel(sr, iop3xx_adap->ioaddr + SR_OFFSET);  in iop3xx_i2c_irq_handler()
115 		iop3xx_adap->SR_received |= sr;  in iop3xx_i2c_irq_handler()
116 		wake_up_interruptible(&iop3xx_adap->waitq);  in iop3xx_i2c_irq_handler()
137 iop3xx_i2c_get_srstat(struct i2c_algo_iop3xx_data *iop3xx_adap)  in iop3xx_i2c_get_srstat()  argument
142 	spin_lock_irqsave(&iop3xx_adap->lock, flags);  in iop3xx_i2c_get_srstat()
143 	sr = iop3xx_adap->SR_received;  in iop3xx_i2c_get_srstat()
144 	iop3xx_adap->SR_received = 0;  in iop3xx_i2c_get_srstat()
145 	spin_unlock_irqrestore(&iop3xx_adap->lock, flags);  in iop3xx_i2c_get_srstat()
158 iop3xx_i2c_wait_event(struct i2c_algo_iop3xx_data *iop3xx_adap,  in iop3xx_i2c_wait_event()  argument
169 			iop3xx_adap->waitq,  in iop3xx_i2c_wait_event()
170 			(done = compare( sr = iop3xx_i2c_get_srstat(iop3xx_adap) ,flags )),  in iop3xx_i2c_wait_event()
203 iop3xx_i2c_wait_tx_done(struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)  in iop3xx_i2c_wait_tx_done()  argument
206 		iop3xx_adap,  in iop3xx_i2c_wait_tx_done()
212 iop3xx_i2c_wait_rx_done(struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)  in iop3xx_i2c_wait_rx_done()  argument
215 		iop3xx_adap,  in iop3xx_i2c_wait_rx_done()
221 iop3xx_i2c_wait_idle(struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)  in iop3xx_i2c_wait_idle()  argument
224 		iop3xx_adap, IOP3XX_ISR_UNITBUSY, status, all_bits_clear);  in iop3xx_i2c_wait_idle()
228 iop3xx_i2c_send_target_addr(struct i2c_algo_iop3xx_data *iop3xx_adap,  in iop3xx_i2c_send_target_addr()  argument
231 	unsigned long cr = __raw_readl(iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_send_target_addr()
242 	__raw_writel(iic_cook_addr(msg), iop3xx_adap->ioaddr + DBR_OFFSET);  in iop3xx_i2c_send_target_addr()
247 	__raw_writel(cr, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_send_target_addr()
248 	rc = iop3xx_i2c_wait_tx_done(iop3xx_adap, &status);  in iop3xx_i2c_send_target_addr()
254 iop3xx_i2c_write_byte(struct i2c_algo_iop3xx_data *iop3xx_adap, char byte,  in iop3xx_i2c_write_byte()  argument
257 	unsigned long cr = __raw_readl(iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_write_byte()
261 	__raw_writel(byte, iop3xx_adap->ioaddr + DBR_OFFSET);  in iop3xx_i2c_write_byte()
269 	__raw_writel(cr, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_write_byte()
270 	rc = iop3xx_i2c_wait_tx_done(iop3xx_adap, &status);  in iop3xx_i2c_write_byte()
276 iop3xx_i2c_read_byte(struct i2c_algo_iop3xx_data *iop3xx_adap, char* byte,  in iop3xx_i2c_read_byte()  argument
279 	unsigned long cr = __raw_readl(iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_read_byte()
291 	__raw_writel(cr, iop3xx_adap->ioaddr + CR_OFFSET);  in iop3xx_i2c_read_byte()
293 	rc = iop3xx_i2c_wait_rx_done(iop3xx_adap, &status);  in iop3xx_i2c_read_byte()
295 	*byte = __raw_readl(iop3xx_adap->ioaddr + DBR_OFFSET);  in iop3xx_i2c_read_byte()
303 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;  in iop3xx_i2c_writebytes()  local
308 		rc = iop3xx_i2c_write_byte(iop3xx_adap, buf[ii], ii==count-1);  in iop3xx_i2c_writebytes()
315 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;  in iop3xx_i2c_readbytes()  local
320 		rc = iop3xx_i2c_read_byte(iop3xx_adap, &buf[ii], ii==count-1);  in iop3xx_i2c_readbytes()
335 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;  in iop3xx_i2c_handle_msg()  local
338 	rc = iop3xx_i2c_send_target_addr(iop3xx_adap, pmsg);  in iop3xx_i2c_handle_msg()
357 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;  in iop3xx_i2c_master_xfer()  local
362 	iop3xx_i2c_wait_idle(iop3xx_adap, &status);  in iop3xx_i2c_master_xfer()
363 	iop3xx_i2c_reset(iop3xx_adap);  in iop3xx_i2c_master_xfer()
364 	iop3xx_i2c_enable(iop3xx_adap);  in iop3xx_i2c_master_xfer()
370 	iop3xx_i2c_transaction_cleanup(iop3xx_adap);  in iop3xx_i2c_master_xfer()