62 	uint32_t bus_id;  member
85 static uint32_t iproc_i2c_reg_read(uint32_t bus_id, unsigned long reg_addr)  in iproc_i2c_reg_read()  argument
90 	smbus = smbus_base_reg_addr[bus_id];  in iproc_i2c_reg_read()
93 	VERBOSE("i2c %u: reg %p read 0x%x\n", bus_id,  in iproc_i2c_reg_read()
99 static void iproc_i2c_reg_write(uint32_t bus_id,  in iproc_i2c_reg_write()  argument
105 	smbus = smbus_base_reg_addr[bus_id];  in iproc_i2c_reg_write()
108 	VERBOSE("i2c %u: reg %p wrote 0x%x\n", bus_id,  in iproc_i2c_reg_write()
113 static void iproc_i2c_reg_clearset(uint32_t bus_id,  in iproc_i2c_reg_clearset()  argument
120 	smbus = smbus_base_reg_addr[bus_id];  in iproc_i2c_reg_clearset()
123 	VERBOSE("i2c %u: reg %p clear 0x%x, set 0x%x\n", bus_id,  in iproc_i2c_reg_clearset()
129 static int iproc_dump_i2c_regs(uint32_t bus_id)  in iproc_dump_i2c_regs()  argument
133 	if (bus_id > MAX_I2C) {  in iproc_dump_i2c_regs()
138 	INFO("%s: Dumping SMBus %u registers...\n", __func__, bus_id);  in iproc_dump_i2c_regs()
140 	regval = iproc_i2c_reg_read(bus_id, SMB_CFG_REG);  in iproc_dump_i2c_regs()
143 	regval = iproc_i2c_reg_read(bus_id, SMB_TIMGCFG_REG);  in iproc_dump_i2c_regs()
146 	regval = iproc_i2c_reg_read(bus_id, SMB_ADDR_REG);  in iproc_dump_i2c_regs()
149 	regval = iproc_i2c_reg_read(bus_id, SMB_MSTRFIFOCTL_REG);  in iproc_dump_i2c_regs()
152 	regval = iproc_i2c_reg_read(bus_id, SMB_SLVFIFOCTL_REG);  in iproc_dump_i2c_regs()
155 	regval = iproc_i2c_reg_read(bus_id, SMB_BITBANGCTL_REG);  in iproc_dump_i2c_regs()
158 	regval = iproc_i2c_reg_read(bus_id, SMB_MSTRCMD_REG);  in iproc_dump_i2c_regs()
161 	regval = iproc_i2c_reg_read(bus_id, SMB_SLVCMD_REG);  in iproc_dump_i2c_regs()
164 	regval = iproc_i2c_reg_read(bus_id, SMB_EVTEN_REG);  in iproc_dump_i2c_regs()
167 	regval = iproc_i2c_reg_read(bus_id, SMB_EVTSTS_REG);  in iproc_dump_i2c_regs()
170 	regval = iproc_i2c_reg_read(bus_id, SMB_MSTRDATAWR_REG);  in iproc_dump_i2c_regs()
173 	regval = iproc_i2c_reg_read(bus_id, SMB_MSTRDATARD_REG);  in iproc_dump_i2c_regs()
176 	regval = iproc_i2c_reg_read(bus_id, SMB_SLVDATAWR_REG);  in iproc_dump_i2c_regs()
179 	regval = iproc_i2c_reg_read(bus_id, SMB_SLVDATARD_REG);  in iproc_dump_i2c_regs()
192 static int iproc_i2c_startbusy_wait(uint32_t bus_id)  in iproc_i2c_startbusy_wait()  argument
203 		regval = iproc_i2c_reg_read(bus_id, SMB_MSTRCMD_REG);  in iproc_i2c_startbusy_wait()
244 		iproc_i2c_reg_write(info->bus_id, SMB_MSTRDATAWR_REG,  in iproc_i2c_write_trans_data()
249 		iproc_i2c_reg_write(info->bus_id, SMB_MSTRDATAWR_REG,  in iproc_i2c_write_trans_data()
256 		iproc_i2c_reg_write(info->bus_id, SMB_MSTRDATAWR_REG,  in iproc_i2c_write_trans_data()
260 		iproc_i2c_reg_write(info->bus_id, SMB_MSTRDATAWR_REG,  in iproc_i2c_write_trans_data()
265 		iproc_i2c_reg_write(info->bus_id, SMB_MSTRDATAWR_REG,  in iproc_i2c_write_trans_data()
274 		iproc_i2c_reg_write(info->bus_id, SMB_MSTRDATAWR_REG,  in iproc_i2c_write_trans_data()
277 		iproc_i2c_reg_write(info->bus_id, SMB_MSTRDATAWR_REG,  in iproc_i2c_write_trans_data()
287 		iproc_i2c_reg_write(info->bus_id, SMB_MSTRDATAWR_REG,  in iproc_i2c_write_trans_data()
299 		iproc_i2c_reg_write(info->bus_id, SMB_MSTRDATAWR_REG,  in iproc_i2c_write_trans_data()
314 	iproc_i2c_reg_write(info->bus_id, SMB_MSTRCMD_REG, mastercmd);  in iproc_i2c_write_master_command()
317 	regval = iproc_i2c_reg_read(info->bus_id, SMB_MSTRCMD_REG);  in iproc_i2c_write_master_command()
325 		regval = iproc_i2c_reg_read(info->bus_id, SMB_MSTRCMD_REG);  in iproc_i2c_write_master_command()
349 	rc = iproc_i2c_startbusy_wait(info->bus_id);  in iproc_i2c_data_send()
384 	rc = iproc_i2c_startbusy_wait(info->bus_id);  in iproc_i2c_data_recv()
406 	regval = iproc_i2c_reg_read(info->bus_id, SMB_MSTRDATARD_REG);  in iproc_i2c_data_recv()
422 			regval = iproc_i2c_reg_read(info->bus_id,  in iproc_i2c_data_recv()
439 static int iproc_i2c_set_clk_freq(uint32_t bus_id, smb_clk_freq_t freq)  in iproc_i2c_set_clk_freq()  argument
454 	iproc_i2c_reg_clearset(bus_id, SMB_TIMGCFG_REG,  in iproc_i2c_set_clk_freq()
462 static void iproc_i2c_fill_info(struct iproc_xact_info *info, uint32_t bus_id,  in iproc_i2c_fill_info()  argument
466 	info->bus_id = bus_id;  in iproc_i2c_fill_info()
477 static void iproc_i2c_init(uint32_t bus_id, int speed)  in iproc_i2c_init()  argument
486 	regval = iproc_i2c_reg_read(bus_id, SMB_CFG_REG);  in iproc_i2c_init()
489 	iproc_i2c_reg_write(bus_id, SMB_CFG_REG, regval);  in iproc_i2c_init()
496 	iproc_i2c_reg_write(bus_id, SMB_CFG_REG, regval);  in iproc_i2c_init()
503 	iproc_i2c_reg_write(bus_id, SMB_MSTRFIFOCTL_REG, regval);  in iproc_i2c_init()
510 	regval = iproc_i2c_reg_read(bus_id, SMB_CFG_REG);  in iproc_i2c_init()
512 	iproc_i2c_reg_write(bus_id, SMB_CFG_REG, regval);  in iproc_i2c_init()
517 	if (i2c_set_bus_speed(bus_id, speed)) {  in iproc_i2c_init()
518 		i2c_set_bus_speed(bus_id, I2C_SPEED_DEFAULT);  in iproc_i2c_init()
523 	iproc_i2c_reg_write(bus_id, SMB_EVTEN_REG, regval);  in iproc_i2c_init()
526 	regval = iproc_i2c_reg_read(bus_id, SMB_EVTSTS_REG);  in iproc_i2c_init()
527 	iproc_i2c_reg_write(bus_id, SMB_EVTSTS_REG, regval);  in iproc_i2c_init()
530 	iproc_dump_i2c_regs(bus_id);  in iproc_i2c_init()
549 int i2c_init(uint32_t bus_id, int speed)  in i2c_init()  argument
551 	if (bus_id > MAX_I2C) {  in i2c_init()
552 		WARN("%s: Invalid Bus %u\n", __func__, bus_id);  in i2c_init()
556 	iproc_i2c_init(bus_id, speed);  in i2c_init()
574 int i2c_probe(uint32_t bus_id, uint8_t devaddr)  in i2c_probe()  argument
585 	iproc_i2c_reg_write(bus_id, SMB_MSTRDATAWR_REG, regval);  in i2c_probe()
589 	iproc_i2c_reg_write(bus_id, SMB_MSTRCMD_REG, regval);  in i2c_probe()
591 	rc = iproc_i2c_startbusy_wait(bus_id);  in i2c_probe()
598 	regval = iproc_i2c_reg_read(bus_id, SMB_MSTRCMD_REG);  in i2c_probe()
605 	iproc_dump_i2c_regs(bus_id);  in i2c_probe()
625 int i2c_recv_byte(uint32_t bus_id, uint8_t devaddr, uint8_t *value)  in i2c_recv_byte()  argument
631 	iproc_i2c_fill_info(&info, bus_id, devaddr, 0U, value,  in i2c_recv_byte()
660 int i2c_send_byte(uint32_t bus_id, uint8_t devaddr, uint8_t value)  in i2c_send_byte()  argument
665 	iproc_i2c_fill_info(&info, bus_id, devaddr, 0U, &value,  in i2c_send_byte()
680 static int i2c_read_byte(uint32_t bus_id,  in i2c_read_byte()  argument
689 	iproc_i2c_fill_info(&info, bus_id, devaddr, regoffset, value,  in i2c_read_byte()
720 int i2c_read(uint32_t bus_id,  in i2c_read()  argument
740 		if (i2c_read_byte(bus_id, devaddr, addr + i, &buffer[i])) {  in i2c_read()
742 			iproc_i2c_init(bus_id, i2c_get_bus_speed(bus_id));  in i2c_read()
751 static int i2c_write_byte(uint32_t bus_id,  in i2c_write_byte()  argument
759 	iproc_i2c_fill_info(&info, bus_id, devaddr, regoffset, &value,  in i2c_write_byte()
792 int i2c_write(uint32_t bus_id,  in i2c_write()  argument
812 		if (i2c_write_byte(bus_id, devaddr, addr + i, buffer[i])) {  in i2c_write()
814 			iproc_i2c_init(bus_id, i2c_get_bus_speed(bus_id));  in i2c_write()
834 int i2c_set_bus_speed(uint32_t bus_id, uint32_t speed)  in i2c_set_bus_speed()  argument
838 		iproc_i2c_set_clk_freq(bus_id, IPROC_SMB_SPEED_100KHz);  in i2c_set_bus_speed()
842 		iproc_i2c_set_clk_freq(bus_id, IPROC_SMB_SPEED_400KHz);  in i2c_set_bus_speed()
863 uint32_t i2c_get_bus_speed(uint32_t bus_id)  in i2c_get_bus_speed()  argument
868 	regval = iproc_i2c_reg_read(bus_id, SMB_TIMGCFG_REG);  in i2c_get_bus_speed()