65 static void validate_firmware_response(struct kim_data_s *kim_gdata)  in validate_firmware_response()  argument
67 	struct sk_buff *skb = kim_gdata->rx_skb;  in validate_firmware_response()
78 		memcpy(kim_gdata->resp_buffer,  in validate_firmware_response()
79 				kim_gdata->rx_skb->data,  in validate_firmware_response()
80 				kim_gdata->rx_skb->len);  in validate_firmware_response()
81 		kim_gdata->rx_state = ST_W4_PACKET_TYPE;  in validate_firmware_response()
82 		kim_gdata->rx_skb = NULL;  in validate_firmware_response()
83 		kim_gdata->rx_count = 0;  in validate_firmware_response()
91 	complete_all(&kim_gdata->kim_rcvd);  in validate_firmware_response()
98 static inline int kim_check_data_len(struct kim_data_s *kim_gdata, int len)  in kim_check_data_len()  argument
100 	register int room = skb_tailroom(kim_gdata->rx_skb);  in kim_check_data_len()
105 		validate_firmware_response(kim_gdata);  in kim_check_data_len()
112 		kfree_skb(kim_gdata->rx_skb);  in kim_check_data_len()
117 		kim_gdata->rx_state = ST_W4_DATA;  in kim_check_data_len()
118 		kim_gdata->rx_count = len;  in kim_check_data_len()
124 	kim_gdata->rx_state = ST_W4_PACKET_TYPE;  in kim_check_data_len()
125 	kim_gdata->rx_skb = NULL;  in kim_check_data_len()
126 	kim_gdata->rx_count = 0;  in kim_check_data_len()
137 static void kim_int_recv(struct kim_data_s *kim_gdata,  in kim_int_recv()  argument
153 		if (kim_gdata->rx_count) {  in kim_int_recv()
154 			len = min_t(unsigned int, kim_gdata->rx_count, count);  in kim_int_recv()
155 			skb_put_data(kim_gdata->rx_skb, ptr, len);  in kim_int_recv()
156 			kim_gdata->rx_count -= len;  in kim_int_recv()
160 			if (kim_gdata->rx_count)  in kim_int_recv()
164 			switch (kim_gdata->rx_state) {  in kim_int_recv()
168 				validate_firmware_response(kim_gdata);  in kim_int_recv()
169 				kim_gdata->rx_state = ST_W4_PACKET_TYPE;  in kim_int_recv()
170 				kim_gdata->rx_skb = NULL;  in kim_int_recv()
175 				(unsigned char *)&kim_gdata->rx_skb->data[1];  in kim_int_recv()
177 				kim_check_data_len(kim_gdata, *plen);  in kim_int_recv()
184 			kim_gdata->rx_state = ST_W4_HEADER;  in kim_int_recv()
185 			kim_gdata->rx_count = 2;  in kim_int_recv()
195 		kim_gdata->rx_skb =  in kim_int_recv()
197 		if (!kim_gdata->rx_skb) {  in kim_int_recv()
199 			kim_gdata->rx_state = ST_W4_PACKET_TYPE;  in kim_int_recv()
200 			kim_gdata->rx_count = 0;  in kim_int_recv()
203 		skb_reserve(kim_gdata->rx_skb, 8);  in kim_int_recv()
204 		kim_gdata->rx_skb->cb[0] = 4;  in kim_int_recv()
205 		kim_gdata->rx_skb->cb[1] = 0;  in kim_int_recv()
211 static long read_local_version(struct kim_data_s *kim_gdata, char *bts_scr_name)  in read_local_version()  argument
219 	reinit_completion(&kim_gdata->kim_rcvd);  in read_local_version()
220 	if (4 != st_int_write(kim_gdata->core_data, read_ver_cmd, 4)) {  in read_local_version()
226 		&kim_gdata->kim_rcvd, msecs_to_jiffies(CMD_RESP_TIME));  in read_local_version()
231 	reinit_completion(&kim_gdata->kim_rcvd);  in read_local_version()
237 		MAKEWORD(kim_gdata->resp_buffer[12],  in read_local_version()
238 				kim_gdata->resp_buffer[13]);  in read_local_version()
250 	kim_gdata->version.full = version;  in read_local_version()
251 	kim_gdata->version.chip = chip;  in read_local_version()
252 	kim_gdata->version.maj_ver = maj_ver;  in read_local_version()
253 	kim_gdata->version.min_ver = min_ver;  in read_local_version()
284 static long download_firmware(struct kim_data_s *kim_gdata)  in download_firmware()  argument
295 	err = read_local_version(kim_gdata, bts_scr_name);  in download_firmware()
301 	    request_firmware(&kim_gdata->fw_entry, bts_scr_name,  in download_firmware()
302 			     &kim_gdata->kim_pdev->dev);  in download_firmware()
303 	if (unlikely((err != 0) || (kim_gdata->fw_entry->data == NULL) ||  in download_firmware()
304 		     (kim_gdata->fw_entry->size == 0))) {  in download_firmware()
309 	ptr = (void *)kim_gdata->fw_entry->data;  in download_firmware()
310 	len = kim_gdata->fw_entry->size;  in download_firmware()
344 					st_get_uart_wr_room(kim_gdata->core_data);  in download_firmware()
348 					release_firmware(kim_gdata->fw_entry);  in download_firmware()
359 				release_firmware(kim_gdata->fw_entry);  in download_firmware()
365 			reinit_completion(&kim_gdata->kim_rcvd);  in download_firmware()
372 			err = st_int_write(kim_gdata->core_data,  in download_firmware()
376 				release_firmware(kim_gdata->fw_entry);  in download_firmware()
387 				release_firmware(kim_gdata->fw_entry);  in download_firmware()
394 					&kim_gdata->kim_rcvd,  in download_firmware()
399 				release_firmware(kim_gdata->fw_entry);  in download_firmware()
402 			reinit_completion(&kim_gdata->kim_rcvd);  in download_firmware()
418 	release_firmware(kim_gdata->fw_entry);  in download_firmware()
432 	struct kim_data_s	*kim_gdata = st_gdata->kim_data;  in st_kim_recv()  local
437 	kim_int_recv(kim_gdata, data, count);  in st_kim_recv()
446 	struct kim_data_s	*kim_gdata = (struct kim_data_s *)kim_data;  in st_kim_complete()  local
447 	complete(&kim_gdata->ldisc_installed);  in st_kim_complete()
462 	struct kim_data_s	*kim_gdata = (struct kim_data_s *)kim_data;  in st_kim_start()  local
465 	pdata = kim_gdata->kim_pdev->dev.platform_data;  in st_kim_start()
470 			pdata->chip_enable(kim_gdata);  in st_kim_start()
473 		gpio_set_value_cansleep(kim_gdata->nshutdown, GPIO_LOW);  in st_kim_start()
475 		gpio_set_value_cansleep(kim_gdata->nshutdown, GPIO_HIGH);  in st_kim_start()
478 		reinit_completion(&kim_gdata->ldisc_installed);  in st_kim_start()
480 		kim_gdata->ldisc_install = 1;  in st_kim_start()
482 		sysfs_notify(&kim_gdata->kim_pdev->dev.kobj,  in st_kim_start()
486 			&kim_gdata->ldisc_installed, msecs_to_jiffies(LDISC_TIME));  in st_kim_start()
491 			err = st_kim_stop(kim_gdata);  in st_kim_start()
496 			err = download_firmware(kim_gdata);  in st_kim_start()
501 				err = st_kim_stop(kim_gdata);  in st_kim_start()
524 	struct kim_data_s	*kim_gdata = (struct kim_data_s *)kim_data;  in st_kim_stop()  local
526 		kim_gdata->kim_pdev->dev.platform_data;  in st_kim_stop()
527 	struct tty_struct	*tty = kim_gdata->core_data->tty;  in st_kim_stop()
529 	reinit_completion(&kim_gdata->ldisc_installed);  in st_kim_stop()
539 	kim_gdata->ldisc_install = 0;  in st_kim_stop()
540 	sysfs_notify(&kim_gdata->kim_pdev->dev.kobj, NULL, "install");  in st_kim_stop()
544 		&kim_gdata->ldisc_installed, msecs_to_jiffies(LDISC_TIME));  in st_kim_stop()
551 	gpio_set_value_cansleep(kim_gdata->nshutdown, GPIO_LOW);  in st_kim_stop()
553 	gpio_set_value_cansleep(kim_gdata->nshutdown, GPIO_HIGH);  in st_kim_stop()
555 	gpio_set_value_cansleep(kim_gdata->nshutdown, GPIO_LOW);  in st_kim_stop()
559 		pdata->chip_disable(kim_gdata);  in st_kim_stop()
569 	struct kim_data_s *kim_gdata = (struct kim_data_s *)s->private;  in show_version()  local
570 	seq_printf(s, "%04X %d.%d.%d\n", kim_gdata->version.full,  in show_version()
571 			kim_gdata->version.chip, kim_gdata->version.maj_ver,  in show_version()
572 			kim_gdata->version.min_ver);  in show_version()
578 	struct kim_data_s *kim_gdata = (struct kim_data_s *)s->private;  in show_list()  local
579 	kim_st_list_protocols(kim_gdata->core_data, s);  in show_list()
676 	struct kim_data_s	*kim_gdata;  in st_kim_ref()  local
681 	kim_gdata = platform_get_drvdata(pdev);  in st_kim_ref()
682 	if (!kim_gdata)  in st_kim_ref()
685 	*core_data = kim_gdata->core_data;  in st_kim_ref()
725 	struct kim_data_s	*kim_gdata;  in kim_probe()  local
737 	kim_gdata = kzalloc(sizeof(struct kim_data_s), GFP_KERNEL);  in kim_probe()
738 	if (!kim_gdata) {  in kim_probe()
742 	platform_set_drvdata(pdev, kim_gdata);  in kim_probe()
744 	err = st_core_init(&kim_gdata->core_data);  in kim_probe()
751 	kim_gdata->core_data->kim_data = kim_gdata;  in kim_probe()
754 	kim_gdata->nshutdown = pdata->nshutdown_gpio;  in kim_probe()
755 	err = gpio_request(kim_gdata->nshutdown, "kim");  in kim_probe()
757 		pr_err(" gpio %d request failed ", kim_gdata->nshutdown);  in kim_probe()
762 	err = gpio_direction_output(kim_gdata->nshutdown, 0);  in kim_probe()
764 		pr_err(" unable to configure gpio %d", kim_gdata->nshutdown);  in kim_probe()
769 	kim_gdata->kim_pdev = pdev;  in kim_probe()
770 	init_completion(&kim_gdata->kim_rcvd);  in kim_probe()
771 	init_completion(&kim_gdata->ldisc_installed);  in kim_probe()
780 	strncpy(kim_gdata->dev_name, pdata->dev_name, UART_DEV_NAME_LEN);  in kim_probe()
781 	kim_gdata->flow_cntrl = pdata->flow_cntrl;  in kim_probe()
782 	kim_gdata->baud_rate = pdata->baud_rate;  in kim_probe()
792 				kim_gdata, &version_debugfs_fops);  in kim_probe()
794 				kim_gdata, &list_debugfs_fops);  in kim_probe()
798 	st_core_exit(kim_gdata->core_data);  in kim_probe()
801 	kfree(kim_gdata);  in kim_probe()
810 	struct kim_data_s	*kim_gdata;  in kim_remove()  local
812 	kim_gdata = platform_get_drvdata(pdev);  in kim_remove()
824 	kim_gdata->kim_pdev = NULL;  in kim_remove()
825 	st_core_exit(kim_gdata->core_data);  in kim_remove()
827 	kfree(kim_gdata);  in kim_remove()
828 	kim_gdata = NULL;  in kim_remove()