59 	struct testunit_data *tu = i2c_get_clientdata(client);  in i2c_slave_testunit_smbalert_cb()  local
63 		gpiod_set_value(tu->gpio, 0);  in i2c_slave_testunit_smbalert_cb()
66 		*val = tu->regs[TU_REG_DATAL];  in i2c_slave_testunit_smbalert_cb()
70 		complete(&tu->alert_done);  in i2c_slave_testunit_smbalert_cb()
84 	struct testunit_data *tu = i2c_get_clientdata(client);  in i2c_slave_testunit_slave_cb()  local
85 	bool is_proc_call = tu->reg_idx == 3 && tu->regs[TU_REG_DATAL] == 1 &&  in i2c_slave_testunit_slave_cb()
86 			    tu->regs[TU_REG_CMD] == TU_CMD_SMBUS_BLOCK_PROC_CALL;  in i2c_slave_testunit_slave_cb()
87 	bool is_get_version = tu->reg_idx == 3 &&  in i2c_slave_testunit_slave_cb()
88 			      tu->regs[TU_REG_CMD] == TU_CMD_GET_VERSION_WITH_REP_START;  in i2c_slave_testunit_slave_cb()
93 		if (test_bit(TU_FLAG_IN_PROCESS, &tu->flags))  in i2c_slave_testunit_slave_cb()
96 		memset(tu->regs, 0, TU_NUM_REGS);  in i2c_slave_testunit_slave_cb()
97 		tu->reg_idx = 0;  in i2c_slave_testunit_slave_cb()
98 		tu->read_idx = 0;  in i2c_slave_testunit_slave_cb()
102 		if (test_bit(TU_FLAG_IN_PROCESS, &tu->flags))  in i2c_slave_testunit_slave_cb()
105 		if (tu->reg_idx < TU_NUM_REGS)  in i2c_slave_testunit_slave_cb()
106 			tu->regs[tu->reg_idx] = *val;  in i2c_slave_testunit_slave_cb()
110 		if (tu->reg_idx <= TU_NUM_REGS)  in i2c_slave_testunit_slave_cb()
111 			tu->reg_idx++;  in i2c_slave_testunit_slave_cb()
114 		if (tu->regs[TU_REG_CMD] >= TU_NUM_CMDS)  in i2c_slave_testunit_slave_cb()
120 		if (tu->reg_idx == TU_NUM_REGS) {  in i2c_slave_testunit_slave_cb()
121 			set_bit(TU_FLAG_IN_PROCESS, &tu->flags);  in i2c_slave_testunit_slave_cb()
122 			queue_delayed_work(system_long_wq, &tu->worker,  in i2c_slave_testunit_slave_cb()
123 					   msecs_to_jiffies(10 * tu->regs[TU_REG_DELAY]));  in i2c_slave_testunit_slave_cb()
131 		tu->reg_idx = 0;  in i2c_slave_testunit_slave_cb()
136 		if (is_get_version && tu_version_info[tu->read_idx] != 0)  in i2c_slave_testunit_slave_cb()
137 			tu->read_idx++;  in i2c_slave_testunit_slave_cb()
138 		else if (is_proc_call && tu->regs[TU_REG_DATAH])  in i2c_slave_testunit_slave_cb()
139 			tu->regs[TU_REG_DATAH]--;  in i2c_slave_testunit_slave_cb()
145 			*val = tu_version_info[tu->read_idx];  in i2c_slave_testunit_slave_cb()
147 			*val = tu->regs[TU_REG_DATAH];  in i2c_slave_testunit_slave_cb()
149 			*val = test_bit(TU_FLAG_IN_PROCESS, &tu->flags) ?  in i2c_slave_testunit_slave_cb()
150 					tu->regs[TU_REG_CMD] : 0;  in i2c_slave_testunit_slave_cb()
159 	struct testunit_data *tu = container_of(work, struct testunit_data, worker.work);  in i2c_slave_testunit_work()  local
169 	switch (tu->regs[TU_REG_CMD]) {  in i2c_slave_testunit_work()
171 		msg.addr = tu->regs[TU_REG_DATAL];  in i2c_slave_testunit_work()
173 		msg.len = tu->regs[TU_REG_DATAH];  in i2c_slave_testunit_work()
180 		msgbuf[0] = tu->client->addr;  in i2c_slave_testunit_work()
181 		msgbuf[1] = tu->regs[TU_REG_DATAL];  in i2c_slave_testunit_work()
182 		msgbuf[2] = tu->regs[TU_REG_DATAH];  in i2c_slave_testunit_work()
186 		i2c_slave_unregister(tu->client);  in i2c_slave_testunit_work()
187 		orig_addr = tu->client->addr;  in i2c_slave_testunit_work()
188 		tu->client->addr = 0x0c;  in i2c_slave_testunit_work()
189 		ret = i2c_slave_register(tu->client, i2c_slave_testunit_smbalert_cb);  in i2c_slave_testunit_work()
193 		reinit_completion(&tu->alert_done);  in i2c_slave_testunit_work()
194 		gpiod_set_value(tu->gpio, 1);  in i2c_slave_testunit_work()
195 		time_left = wait_for_completion_timeout(&tu->alert_done, HZ);  in i2c_slave_testunit_work()
199 		i2c_slave_unregister(tu->client);  in i2c_slave_testunit_work()
201 		tu->client->addr = orig_addr;  in i2c_slave_testunit_work()
202 		i2c_slave_register(tu->client, i2c_slave_testunit_slave_cb);  in i2c_slave_testunit_work()
210 		ret = i2c_transfer(tu->client->adapter, &msg, 1);  in i2c_slave_testunit_work()
216 		dev_err(&tu->client->dev, "CMD%02X failed (%d)\n", tu->regs[TU_REG_CMD], ret);  in i2c_slave_testunit_work()
218 	clear_bit(TU_FLAG_IN_PROCESS, &tu->flags);  in i2c_slave_testunit_work()
223 	struct testunit_data *tu;  in i2c_slave_testunit_probe()  local
225 	tu = devm_kzalloc(&client->dev, sizeof(struct testunit_data), GFP_KERNEL);  in i2c_slave_testunit_probe()
226 	if (!tu)  in i2c_slave_testunit_probe()
229 	tu->client = client;  in i2c_slave_testunit_probe()
230 	i2c_set_clientdata(client, tu);  in i2c_slave_testunit_probe()
231 	init_completion(&tu->alert_done);  in i2c_slave_testunit_probe()
232 	INIT_DELAYED_WORK(&tu->worker, i2c_slave_testunit_work);  in i2c_slave_testunit_probe()
234 	tu->gpio = devm_gpiod_get_index_optional(&client->dev, NULL, 0, GPIOD_OUT_LOW);  in i2c_slave_testunit_probe()
235 	if (gpiod_cansleep(tu->gpio)) {  in i2c_slave_testunit_probe()
248 	struct testunit_data *tu = i2c_get_clientdata(client);  in i2c_slave_testunit_remove()  local
250 	cancel_delayed_work_sync(&tu->worker);  in i2c_slave_testunit_remove()