66 void validate_firmware_response(struct kim_data_s *kim_gdata)  in validate_firmware_response()  argument
68 	struct sk_buff *skb = kim_gdata->rx_skb;  in validate_firmware_response()
76 	complete_all(&kim_gdata->kim_rcvd);  in validate_firmware_response()
83 static inline int kim_check_data_len(struct kim_data_s *kim_gdata, int len)  in kim_check_data_len()  argument
85 	register int room = skb_tailroom(kim_gdata->rx_skb);  in kim_check_data_len()
90 		validate_firmware_response(kim_gdata);  in kim_check_data_len()
97 		kfree_skb(kim_gdata->rx_skb);  in kim_check_data_len()
102 		kim_gdata->rx_state = ST_W4_DATA;  in kim_check_data_len()
103 		kim_gdata->rx_count = len;  in kim_check_data_len()
109 	kim_gdata->rx_state = ST_W4_PACKET_TYPE;  in kim_check_data_len()
110 	kim_gdata->rx_skb = NULL;  in kim_check_data_len()
111 	kim_gdata->rx_count = 0;  in kim_check_data_len()
122 void kim_int_recv(struct kim_data_s *kim_gdata,  in kim_int_recv()  argument
138 		if (kim_gdata->rx_count) {  in kim_int_recv()
139 			len = min_t(unsigned int, kim_gdata->rx_count, count);  in kim_int_recv()
140 			memcpy(skb_put(kim_gdata->rx_skb, len), ptr, len);  in kim_int_recv()
141 			kim_gdata->rx_count -= len;  in kim_int_recv()
145 			if (kim_gdata->rx_count)  in kim_int_recv()
149 			switch (kim_gdata->rx_state) {  in kim_int_recv()
153 				validate_firmware_response(kim_gdata);  in kim_int_recv()
154 				kim_gdata->rx_state = ST_W4_PACKET_TYPE;  in kim_int_recv()
155 				kim_gdata->rx_skb = NULL;  in kim_int_recv()
160 				(unsigned char *)&kim_gdata->rx_skb->data[1];  in kim_int_recv()
162 				kim_check_data_len(kim_gdata, *plen);  in kim_int_recv()
169 			kim_gdata->rx_state = ST_W4_HEADER;  in kim_int_recv()
170 			kim_gdata->rx_count = 2;  in kim_int_recv()
181 		kim_gdata->rx_skb =  in kim_int_recv()
183 		if (!kim_gdata->rx_skb) {  in kim_int_recv()
185 			kim_gdata->rx_state = ST_W4_PACKET_TYPE;  in kim_int_recv()
186 			kim_gdata->rx_count = 0;  in kim_int_recv()
189 		skb_reserve(kim_gdata->rx_skb, 8);  in kim_int_recv()
190 		kim_gdata->rx_skb->cb[0] = 4;  in kim_int_recv()
191 		kim_gdata->rx_skb->cb[1] = 0;  in kim_int_recv()
197 static long read_local_version(struct kim_data_s *kim_gdata, char *bts_scr_name)  in read_local_version()  argument
204 	INIT_COMPLETION(kim_gdata->kim_rcvd);  in read_local_version()
205 	if (4 != st_int_write(kim_gdata->core_data, read_ver_cmd, 4)) {  in read_local_version()
211 	    (&kim_gdata->kim_rcvd, msecs_to_jiffies(CMD_RESP_TIME))) {  in read_local_version()
215 	INIT_COMPLETION(kim_gdata->kim_rcvd);  in read_local_version()
218 		MAKEWORD(kim_gdata->resp_buffer[13],  in read_local_version()
219 				kim_gdata->resp_buffer[14]);  in read_local_version()
230 	kim_gdata->version.full = version;  in read_local_version()
231 	kim_gdata->version.chip = chip;  in read_local_version()
232 	kim_gdata->version.maj_ver = maj_ver;  in read_local_version()
233 	kim_gdata->version.min_ver = min_ver;  in read_local_version()
264 static long download_firmware(struct kim_data_s *kim_gdata)  in download_firmware()  argument
275 	err = read_local_version(kim_gdata, bts_scr_name);  in download_firmware()
281 	    request_firmware(&kim_gdata->fw_entry, bts_scr_name,  in download_firmware()
282 			     &kim_gdata->kim_pdev->dev);  in download_firmware()
283 	if (unlikely((err != 0) || (kim_gdata->fw_entry->data == NULL) ||  in download_firmware()
284 		     (kim_gdata->fw_entry->size == 0))) {  in download_firmware()
289 	ptr = (void *)kim_gdata->fw_entry->data;  in download_firmware()
290 	len = kim_gdata->fw_entry->size;  in download_firmware()
324 					st_get_uart_wr_room(kim_gdata->core_data);  in download_firmware()
328 					release_firmware(kim_gdata->fw_entry);  in download_firmware()
339 				release_firmware(kim_gdata->fw_entry);  in download_firmware()
345 			INIT_COMPLETION(kim_gdata->kim_rcvd);  in download_firmware()
352 			err = st_int_write(kim_gdata->core_data,  in download_firmware()
356 				release_firmware(kim_gdata->fw_entry);  in download_firmware()
367 				release_firmware(kim_gdata->fw_entry);  in download_firmware()
374 					(&kim_gdata->kim_rcvd,  in download_firmware()
378 				release_firmware(kim_gdata->fw_entry);  in download_firmware()
381 			INIT_COMPLETION(kim_gdata->kim_rcvd);  in download_firmware()
397 	release_firmware(kim_gdata->fw_entry);  in download_firmware()
411 	struct kim_data_s	*kim_gdata = st_gdata->kim_data;  in st_kim_recv()  local
416 		memcpy(kim_gdata->resp_buffer, data, count);  in st_kim_recv()
417 		complete_all(&kim_gdata->kim_rcvd);  in st_kim_recv()
420 		kim_int_recv(kim_gdata, data, count);  in st_kim_recv()
431 	struct kim_data_s	*kim_gdata = (struct kim_data_s *)kim_data;  in st_kim_complete()  local
432 	complete(&kim_gdata->ldisc_installed);  in st_kim_complete()
447 	struct kim_data_s	*kim_gdata = (struct kim_data_s *)kim_data;  in st_kim_start()  local
450 	pdata = kim_gdata->kim_pdev->dev.platform_data;  in st_kim_start()
455 			pdata->chip_enable(kim_gdata);  in st_kim_start()
458 		gpio_set_value(kim_gdata->nshutdown, GPIO_LOW);  in st_kim_start()
460 		gpio_set_value(kim_gdata->nshutdown, GPIO_HIGH);  in st_kim_start()
463 		INIT_COMPLETION(kim_gdata->ldisc_installed);  in st_kim_start()
465 		kim_gdata->ldisc_install = 1;  in st_kim_start()
467 		sysfs_notify(&kim_gdata->kim_pdev->dev.kobj,  in st_kim_start()
470 		err = wait_for_completion_timeout(&kim_gdata->ldisc_installed,  in st_kim_start()
476 			err = st_kim_stop(kim_gdata);  in st_kim_start()
481 			err = download_firmware(kim_gdata);  in st_kim_start()
486 				err = st_kim_stop(kim_gdata);  in st_kim_start()
509 	struct kim_data_s	*kim_gdata = (struct kim_data_s *)kim_data;  in st_kim_stop()  local
511 		kim_gdata->kim_pdev->dev.platform_data;  in st_kim_stop()
512 	struct tty_struct	*tty = kim_gdata->core_data->tty;  in st_kim_stop()
514 	INIT_COMPLETION(kim_gdata->ldisc_installed);  in st_kim_stop()
525 	kim_gdata->ldisc_install = 0;  in st_kim_stop()
526 	sysfs_notify(&kim_gdata->kim_pdev->dev.kobj, NULL, "install");  in st_kim_stop()
529 	err = wait_for_completion_timeout(&kim_gdata->ldisc_installed,  in st_kim_stop()
537 	gpio_set_value(kim_gdata->nshutdown, GPIO_LOW);  in st_kim_stop()
539 	gpio_set_value(kim_gdata->nshutdown, GPIO_HIGH);  in st_kim_stop()
541 	gpio_set_value(kim_gdata->nshutdown, GPIO_LOW);  in st_kim_stop()
545 		pdata->chip_disable(kim_gdata);  in st_kim_stop()
555 	struct kim_data_s *kim_gdata = (struct kim_data_s *)s->private;  in show_version()  local
556 	seq_printf(s, "%04X %d.%d.%d\n", kim_gdata->version.full,  in show_version()
557 			kim_gdata->version.chip, kim_gdata->version.maj_ver,  in show_version()
558 			kim_gdata->version.min_ver);  in show_version()
564 	struct kim_data_s *kim_gdata = (struct kim_data_s *)s->private;  in show_list()  local
565 	kim_st_list_protocols(kim_gdata->core_data, s);  in show_list()
662 	struct kim_data_s	*kim_gdata;  in st_kim_ref()  local
669 	kim_gdata = dev_get_drvdata(&pdev->dev);  in st_kim_ref()
670 	*core_data = kim_gdata->core_data;  in st_kim_ref()
708 	struct kim_data_s	*kim_gdata;  in kim_probe()  local
719 	kim_gdata = kzalloc(sizeof(struct kim_data_s), GFP_ATOMIC);  in kim_probe()
720 	if (!kim_gdata) {  in kim_probe()
724 	dev_set_drvdata(&pdev->dev, kim_gdata);  in kim_probe()
726 	status = st_core_init(&kim_gdata->core_data);  in kim_probe()
732 	kim_gdata->core_data->kim_data = kim_gdata;  in kim_probe()
735 	kim_gdata->nshutdown = pdata->nshutdown_gpio;  in kim_probe()
736 	status = gpio_request(kim_gdata->nshutdown, "kim");  in kim_probe()
738 		pr_err(" gpio %ld request failed ", kim_gdata->nshutdown);  in kim_probe()
743 	status = gpio_direction_output(kim_gdata->nshutdown, 0);  in kim_probe()
745 		pr_err(" unable to configure gpio %ld", kim_gdata->nshutdown);  in kim_probe()
750 	kim_gdata->kim_pdev = pdev;  in kim_probe()
751 	init_completion(&kim_gdata->kim_rcvd);  in kim_probe()
752 	init_completion(&kim_gdata->ldisc_installed);  in kim_probe()
761 	strncpy(kim_gdata->dev_name, pdata->dev_name, UART_DEV_NAME_LEN);  in kim_probe()
762 	kim_gdata->flow_cntrl = pdata->flow_cntrl;  in kim_probe()
763 	kim_gdata->baud_rate = pdata->baud_rate;  in kim_probe()
774 				kim_gdata, &version_debugfs_fops);  in kim_probe()
776 				kim_gdata, &list_debugfs_fops);  in kim_probe()
785 	struct kim_data_s	*kim_gdata;  in kim_remove()  local
787 	kim_gdata = dev_get_drvdata(&pdev->dev);  in kim_remove()
799 	kim_gdata->kim_pdev = NULL;  in kim_remove()
800 	st_core_exit(kim_gdata->core_data);  in kim_remove()
802 	kfree(kim_gdata);  in kim_remove()
803 	kim_gdata = NULL;  in kim_remove()