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 		complete_all(&kim_gdata->kim_rcvd);  in validate_firmware_response()
82 		kim_gdata->rx_state = ST_W4_PACKET_TYPE;  in validate_firmware_response()
83 		kim_gdata->rx_skb = NULL;  in validate_firmware_response()
84 		kim_gdata->rx_count = 0;  in validate_firmware_response()
92 	complete_all(&kim_gdata->kim_rcvd);  in validate_firmware_response()
99 static inline int kim_check_data_len(struct kim_data_s *kim_gdata, int len)  in kim_check_data_len()  argument
101 	register int room = skb_tailroom(kim_gdata->rx_skb);  in kim_check_data_len()
106 		validate_firmware_response(kim_gdata);  in kim_check_data_len()
113 		kfree_skb(kim_gdata->rx_skb);  in kim_check_data_len()
118 		kim_gdata->rx_state = ST_W4_DATA;  in kim_check_data_len()
119 		kim_gdata->rx_count = len;  in kim_check_data_len()
125 	kim_gdata->rx_state = ST_W4_PACKET_TYPE;  in kim_check_data_len()
126 	kim_gdata->rx_skb = NULL;  in kim_check_data_len()
127 	kim_gdata->rx_count = 0;  in kim_check_data_len()
138 static void kim_int_recv(struct kim_data_s *kim_gdata,  in kim_int_recv()  argument
154 		if (kim_gdata->rx_count) {  in kim_int_recv()
155 			len = min_t(unsigned int, kim_gdata->rx_count, count);  in kim_int_recv()
156 			memcpy(skb_put(kim_gdata->rx_skb, len), ptr, len);  in kim_int_recv()
157 			kim_gdata->rx_count -= len;  in kim_int_recv()
161 			if (kim_gdata->rx_count)  in kim_int_recv()
165 			switch (kim_gdata->rx_state) {  in kim_int_recv()
169 				validate_firmware_response(kim_gdata);  in kim_int_recv()
170 				kim_gdata->rx_state = ST_W4_PACKET_TYPE;  in kim_int_recv()
171 				kim_gdata->rx_skb = NULL;  in kim_int_recv()
176 				(unsigned char *)&kim_gdata->rx_skb->data[1];  in kim_int_recv()
178 				kim_check_data_len(kim_gdata, *plen);  in kim_int_recv()
185 			kim_gdata->rx_state = ST_W4_HEADER;  in kim_int_recv()
186 			kim_gdata->rx_count = 2;  in kim_int_recv()
197 		kim_gdata->rx_skb =  in kim_int_recv()
199 		if (!kim_gdata->rx_skb) {  in kim_int_recv()
201 			kim_gdata->rx_state = ST_W4_PACKET_TYPE;  in kim_int_recv()
202 			kim_gdata->rx_count = 0;  in kim_int_recv()
205 		skb_reserve(kim_gdata->rx_skb, 8);  in kim_int_recv()
206 		kim_gdata->rx_skb->cb[0] = 4;  in kim_int_recv()
207 		kim_gdata->rx_skb->cb[1] = 0;  in kim_int_recv()
213 static long read_local_version(struct kim_data_s *kim_gdata, char *bts_scr_name)  in read_local_version()  argument
221 	reinit_completion(&kim_gdata->kim_rcvd);  in read_local_version()
222 	if (4 != st_int_write(kim_gdata->core_data, read_ver_cmd, 4)) {  in read_local_version()
228 		&kim_gdata->kim_rcvd, msecs_to_jiffies(CMD_RESP_TIME));  in read_local_version()
233 	reinit_completion(&kim_gdata->kim_rcvd);  in read_local_version()
239 		MAKEWORD(kim_gdata->resp_buffer[12],  in read_local_version()
240 				kim_gdata->resp_buffer[13]);  in read_local_version()
252 	kim_gdata->version.full = version;  in read_local_version()
253 	kim_gdata->version.chip = chip;  in read_local_version()
254 	kim_gdata->version.maj_ver = maj_ver;  in read_local_version()
255 	kim_gdata->version.min_ver = min_ver;  in read_local_version()
286 static long download_firmware(struct kim_data_s *kim_gdata)  in download_firmware()  argument
297 	err = read_local_version(kim_gdata, bts_scr_name);  in download_firmware()
303 	    request_firmware(&kim_gdata->fw_entry, bts_scr_name,  in download_firmware()
304 			     &kim_gdata->kim_pdev->dev);  in download_firmware()
305 	if (unlikely((err != 0) || (kim_gdata->fw_entry->data == NULL) ||  in download_firmware()
306 		     (kim_gdata->fw_entry->size == 0))) {  in download_firmware()
311 	ptr = (void *)kim_gdata->fw_entry->data;  in download_firmware()
312 	len = kim_gdata->fw_entry->size;  in download_firmware()
346 					st_get_uart_wr_room(kim_gdata->core_data);  in download_firmware()
350 					release_firmware(kim_gdata->fw_entry);  in download_firmware()
361 				release_firmware(kim_gdata->fw_entry);  in download_firmware()
367 			reinit_completion(&kim_gdata->kim_rcvd);  in download_firmware()
374 			err = st_int_write(kim_gdata->core_data,  in download_firmware()
378 				release_firmware(kim_gdata->fw_entry);  in download_firmware()
389 				release_firmware(kim_gdata->fw_entry);  in download_firmware()
396 					&kim_gdata->kim_rcvd,  in download_firmware()
401 				release_firmware(kim_gdata->fw_entry);  in download_firmware()
404 			reinit_completion(&kim_gdata->kim_rcvd);  in download_firmware()
420 	release_firmware(kim_gdata->fw_entry);  in download_firmware()
434 	struct kim_data_s	*kim_gdata = st_gdata->kim_data;  in st_kim_recv()  local
439 	kim_int_recv(kim_gdata, data, count);  in st_kim_recv()
448 	struct kim_data_s	*kim_gdata = (struct kim_data_s *)kim_data;  in st_kim_complete()  local
449 	complete(&kim_gdata->ldisc_installed);  in st_kim_complete()
464 	struct kim_data_s	*kim_gdata = (struct kim_data_s *)kim_data;  in st_kim_start()  local
467 	pdata = kim_gdata->kim_pdev->dev.platform_data;  in st_kim_start()
472 			pdata->chip_enable(kim_gdata);  in st_kim_start()
475 		gpio_set_value_cansleep(kim_gdata->nshutdown, GPIO_LOW);  in st_kim_start()
477 		gpio_set_value_cansleep(kim_gdata->nshutdown, GPIO_HIGH);  in st_kim_start()
480 		reinit_completion(&kim_gdata->ldisc_installed);  in st_kim_start()
482 		kim_gdata->ldisc_install = 1;  in st_kim_start()
484 		sysfs_notify(&kim_gdata->kim_pdev->dev.kobj,  in st_kim_start()
488 			&kim_gdata->ldisc_installed, msecs_to_jiffies(LDISC_TIME));  in st_kim_start()
493 			err = st_kim_stop(kim_gdata);  in st_kim_start()
498 			err = download_firmware(kim_gdata);  in st_kim_start()
503 				err = st_kim_stop(kim_gdata);  in st_kim_start()
526 	struct kim_data_s	*kim_gdata = (struct kim_data_s *)kim_data;  in st_kim_stop()  local
528 		kim_gdata->kim_pdev->dev.platform_data;  in st_kim_stop()
529 	struct tty_struct	*tty = kim_gdata->core_data->tty;  in st_kim_stop()
531 	reinit_completion(&kim_gdata->ldisc_installed);  in st_kim_stop()
541 	kim_gdata->ldisc_install = 0;  in st_kim_stop()
542 	sysfs_notify(&kim_gdata->kim_pdev->dev.kobj, NULL, "install");  in st_kim_stop()
546 		&kim_gdata->ldisc_installed, msecs_to_jiffies(LDISC_TIME));  in st_kim_stop()
553 	gpio_set_value_cansleep(kim_gdata->nshutdown, GPIO_LOW);  in st_kim_stop()
555 	gpio_set_value_cansleep(kim_gdata->nshutdown, GPIO_HIGH);  in st_kim_stop()
557 	gpio_set_value_cansleep(kim_gdata->nshutdown, GPIO_LOW);  in st_kim_stop()
561 		pdata->chip_disable(kim_gdata);  in st_kim_stop()
571 	struct kim_data_s *kim_gdata = (struct kim_data_s *)s->private;  in show_version()  local
572 	seq_printf(s, "%04X %d.%d.%d\n", kim_gdata->version.full,  in show_version()
573 			kim_gdata->version.chip, kim_gdata->version.maj_ver,  in show_version()
574 			kim_gdata->version.min_ver);  in show_version()
580 	struct kim_data_s *kim_gdata = (struct kim_data_s *)s->private;  in show_list()  local
581 	kim_st_list_protocols(kim_gdata->core_data, s);  in show_list()
678 	struct kim_data_s	*kim_gdata;  in st_kim_ref()  local
683 	kim_gdata = platform_get_drvdata(pdev);  in st_kim_ref()
684 	if (!kim_gdata)  in st_kim_ref()
687 	*core_data = kim_gdata->core_data;  in st_kim_ref()
727 	struct kim_data_s	*kim_gdata;  in kim_probe()  local
739 	kim_gdata = kzalloc(sizeof(struct kim_data_s), GFP_ATOMIC);  in kim_probe()
740 	if (!kim_gdata) {  in kim_probe()
744 	platform_set_drvdata(pdev, kim_gdata);  in kim_probe()
746 	err = st_core_init(&kim_gdata->core_data);  in kim_probe()
753 	kim_gdata->core_data->kim_data = kim_gdata;  in kim_probe()
756 	kim_gdata->nshutdown = pdata->nshutdown_gpio;  in kim_probe()
757 	err = gpio_request(kim_gdata->nshutdown, "kim");  in kim_probe()
759 		pr_err(" gpio %d request failed ", kim_gdata->nshutdown);  in kim_probe()
764 	err = gpio_direction_output(kim_gdata->nshutdown, 0);  in kim_probe()
766 		pr_err(" unable to configure gpio %d", kim_gdata->nshutdown);  in kim_probe()
771 	kim_gdata->kim_pdev = pdev;  in kim_probe()
772 	init_completion(&kim_gdata->kim_rcvd);  in kim_probe()
773 	init_completion(&kim_gdata->ldisc_installed);  in kim_probe()
782 	strncpy(kim_gdata->dev_name, pdata->dev_name, UART_DEV_NAME_LEN);  in kim_probe()
783 	kim_gdata->flow_cntrl = pdata->flow_cntrl;  in kim_probe()
784 	kim_gdata->baud_rate = pdata->baud_rate;  in kim_probe()
794 				kim_gdata, &version_debugfs_fops);  in kim_probe()
796 				kim_gdata, &list_debugfs_fops);  in kim_probe()
800 	st_core_exit(kim_gdata->core_data);  in kim_probe()
803 	kfree(kim_gdata);  in kim_probe()
812 	struct kim_data_s	*kim_gdata;  in kim_remove()  local
814 	kim_gdata = platform_get_drvdata(pdev);  in kim_remove()
826 	kim_gdata->kim_pdev = NULL;  in kim_remove()
827 	st_core_exit(kim_gdata->core_data);  in kim_remove()
829 	kfree(kim_gdata);  in kim_remove()
830 	kim_gdata = NULL;  in kim_remove()