110 	struct i2c_adapter adap;  member
116 static inline void pic32_i2c_start(struct pic32_i2c_platform_data *adap)  in pic32_i2c_start()  argument
118 	pic32_bus_writel(PIC32_I2CCON_SEN, adap->base + PIC32_I2CxCONSET);  in pic32_i2c_start()
121 static inline void pic32_i2c_stop(struct pic32_i2c_platform_data *adap)  in pic32_i2c_stop()  argument
123 	pic32_bus_writel(PIC32_I2CCON_PEN, adap->base + PIC32_I2CxCONSET);  in pic32_i2c_stop()
126 static inline void pic32_i2c_ack(struct pic32_i2c_platform_data *adap)  in pic32_i2c_ack()  argument
128 	pic32_bus_writel(PIC32_I2CCON_ACKDT, adap->base + PIC32_I2CxCONCLR);  in pic32_i2c_ack()
129 	pic32_bus_writel(PIC32_I2CCON_ACKEN, adap->base + PIC32_I2CxCONSET);  in pic32_i2c_ack()
132 static inline void pic32_i2c_nack(struct pic32_i2c_platform_data *adap)  in pic32_i2c_nack()  argument
134 	pic32_bus_writel(PIC32_I2CCON_ACKDT, adap->base + PIC32_I2CxCONSET);  in pic32_i2c_nack()
135 	pic32_bus_writel(PIC32_I2CCON_ACKEN, adap->base + PIC32_I2CxCONSET);  in pic32_i2c_nack()
138 static inline int pic32_i2c_idle(struct pic32_i2c_platform_data *adap)  in pic32_i2c_idle()  argument
142 	for (i = 0; i < adap->ctl_timeout; i++) {  in pic32_i2c_idle()
143 		if (((pic32_bus_readl(adap->base + PIC32_I2CxCON) &  in pic32_i2c_idle()
147 		    ((pic32_bus_readl(adap->base + PIC32_I2CxSTAT) &  in pic32_i2c_idle()
155 static inline u32 pic32_i2c_master_write(struct pic32_i2c_platform_data *adap,  in pic32_i2c_master_write()  argument
158 	pic32_bus_writel(byte, adap->base + PIC32_I2CxTRN);  in pic32_i2c_master_write()
159 	return pic32_bus_readl(adap->base + PIC32_I2CxSTAT) &  in pic32_i2c_master_write()
163 static inline u32 pic32_i2c_master_read(struct pic32_i2c_platform_data *adap)  in pic32_i2c_master_read()  argument
165 	pic32_bus_writel(PIC32_I2CCON_RCEN, adap->base + PIC32_I2CxCONSET);  in pic32_i2c_master_read()
166 	while (pic32_bus_readl(adap->base + PIC32_I2CxCON) & PIC32_I2CCON_RCEN)  in pic32_i2c_master_read()
168 	pic32_bus_writel(PIC32_I2CSTAT_I2COV, adap->base + PIC32_I2CxSTATCLR);  in pic32_i2c_master_read()
169 	return pic32_bus_readl(adap->base + PIC32_I2CxRCV);  in pic32_i2c_master_read()
172 static int pic32_i2c_address(struct pic32_i2c_platform_data *adap,  in pic32_i2c_address()  argument
175 	pic32_i2c_idle(adap);  in pic32_i2c_address()
176 	pic32_i2c_start(adap);  in pic32_i2c_address()
177 	pic32_i2c_idle(adap);  in pic32_i2c_address()
183 	if (pic32_i2c_master_write(adap, addr))  in pic32_i2c_address()
185 	pic32_i2c_idle(adap);  in pic32_i2c_address()
186 	if (pic32_bus_readl(adap->base + PIC32_I2CxSTAT) &  in pic32_i2c_address()
192 static int sead3_i2c_read(struct pic32_i2c_platform_data *adap,  in sead3_i2c_read()  argument
200 		data = pic32_i2c_master_read(adap);  in sead3_i2c_read()
203 			pic32_i2c_ack(adap);  in sead3_i2c_read()
205 			pic32_i2c_nack(adap);  in sead3_i2c_read()
208 	pic32_i2c_stop(adap);  in sead3_i2c_read()
209 	pic32_i2c_idle(adap);  in sead3_i2c_read()
213 static int sead3_i2c_write(struct pic32_i2c_platform_data *adap,  in sead3_i2c_write()  argument
222 		if (pic32_i2c_master_write(adap, data))  in sead3_i2c_write()
224 		pic32_i2c_idle(adap);  in sead3_i2c_write()
225 		if (pic32_bus_readl(adap->base + PIC32_I2CxSTAT) &  in sead3_i2c_write()
231 	pic32_i2c_stop(adap);  in sead3_i2c_write()
232 	pic32_i2c_idle(adap);  in sead3_i2c_write()
239 	struct pic32_i2c_platform_data *adap = i2c_adap->algo_data;  in sead3_pic32_platform_xfer()  local
265 		err = pic32_i2c_address(adap, p->addr, p->flags & I2C_M_RD);  in sead3_pic32_platform_xfer()
269 			err = sead3_i2c_read(adap, p->buf, p->len);  in sead3_pic32_platform_xfer()
271 			err = sead3_i2c_write(adap, p->buf, p->len);  in sead3_pic32_platform_xfer()
281 static u32 sead3_pic32_platform_func(struct i2c_adapter *adap)  in sead3_pic32_platform_func()  argument
328 	priv->adap.nr = pdev->id;  in sead3_i2c_platform_probe()
329 	priv->adap.algo = &sead3_platform_algo;  in sead3_i2c_platform_probe()
330 	priv->adap.algo_data = priv;  in sead3_i2c_platform_probe()
331 	priv->adap.dev.parent = &pdev->dev;  in sead3_i2c_platform_probe()
332 	strlcpy(priv->adap.name, "SEAD3 PIC32", sizeof(priv->adap.name));  in sead3_i2c_platform_probe()
336 	ret = i2c_add_numbered_adapter(&priv->adap);  in sead3_i2c_platform_probe()
353 	i2c_del_adapter(&priv->adap);  in sead3_i2c_platform_remove()