[thirdparty/linux.git] / drivers / bluetooth / btqca.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  Bluetooth supports for Qualcomm Atheros chips
 *
 *  Copyright (c) 2015 The Linux Foundation. All rights reserved.
 */
#include <linux/module.h>
#include <linux/firmware.h>

#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>

#include "btqca.h"

#define VERSION "0.1"

int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version)
{
	struct sk_buff *skb;
	struct edl_event_hdr *edl;
	struct rome_version *ver;
	char cmd;
	int err = 0;

	bt_dev_dbg(hdev, "QCA Version Request");

	cmd = EDL_PATCH_VER_REQ_CMD;
	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
				&cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "Reading QCA version information failed (%d)",
			   err);
		return err;
	}

	if (skb->len != sizeof(*edl) + sizeof(*ver)) {
		bt_dev_err(hdev, "QCA Version size mismatch len %d", skb->len);
		err = -EILSEQ;
		goto out;
	}

	edl = (struct edl_event_hdr *)(skb->data);
	if (!edl) {
		bt_dev_err(hdev, "QCA TLV with no header");
		err = -EILSEQ;
		goto out;
	}

	if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
	    edl->rtype != EDL_APP_VER_RES_EVT) {
		bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
			   edl->rtype);
		err = -EIO;
		goto out;
	}

	ver = (struct rome_version *)(edl->data);

	BT_DBG("%s: Product:0x%08x", hdev->name, le32_to_cpu(ver->product_id));
	BT_DBG("%s: Patch  :0x%08x", hdev->name, le16_to_cpu(ver->patch_ver));
	BT_DBG("%s: ROM    :0x%08x", hdev->name, le16_to_cpu(ver->rome_ver));
	BT_DBG("%s: SOC    :0x%08x", hdev->name, le32_to_cpu(ver->soc_id));

	/* QCA chipset version can be decided by patch and SoC
	 * version, combination with upper 2 bytes from SoC
	 * and lower 2 bytes from patch will be used.
	 */
	*soc_version = (le32_to_cpu(ver->soc_id) << 16) |
			(le16_to_cpu(ver->rome_ver) & 0x0000ffff);
	if (*soc_version == 0)
		err = -EILSEQ;

out:
	kfree_skb(skb);
	if (err)
		bt_dev_err(hdev, "QCA Failed to get version (%d)", err);

	return err;
}
EXPORT_SYMBOL_GPL(qca_read_soc_version);

static int qca_send_reset(struct hci_dev *hdev)
{
	struct sk_buff *skb;
	int err;

	bt_dev_dbg(hdev, "QCA HCI_RESET");

	skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "QCA Reset failed (%d)", err);
		return err;
	}

	kfree_skb(skb);

	return 0;
}

static void qca_tlv_check_data(struct rome_config *config,
				const struct firmware *fw)
{
	const u8 *data;
	u32 type_len;
	u16 tag_id, tag_len;
	int idx, length;
	struct tlv_type_hdr *tlv;
	struct tlv_type_patch *tlv_patch;
	struct tlv_type_nvm *tlv_nvm;

	tlv = (struct tlv_type_hdr *)fw->data;

	type_len = le32_to_cpu(tlv->type_len);
	length = (type_len >> 8) & 0x00ffffff;

	BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
	BT_DBG("Length\t\t : %d bytes", length);

	config->dnld_mode = ROME_SKIP_EVT_NONE;

	switch (config->type) {
	case TLV_TYPE_PATCH:
		tlv_patch = (struct tlv_type_patch *)tlv->data;

		/* For Rome version 1.1 to 3.1, all segment commands
		 * are acked by a vendor specific event (VSE).
		 * For Rome >= 3.2, the download mode field indicates
		 * if VSE is skipped by the controller.
		 * In case VSE is skipped, only the last segment is acked.
		 */
		config->dnld_mode = tlv_patch->download_mode;

		BT_DBG("Total Length           : %d bytes",
		       le32_to_cpu(tlv_patch->total_size));
		BT_DBG("Patch Data Length      : %d bytes",
		       le32_to_cpu(tlv_patch->data_length));
		BT_DBG("Signing Format Version : 0x%x",
		       tlv_patch->format_version);
		BT_DBG("Signature Algorithm    : 0x%x",
		       tlv_patch->signature);
		BT_DBG("Download mode          : 0x%x",
		       tlv_patch->download_mode);
		BT_DBG("Reserved               : 0x%x",
		       tlv_patch->reserved1);
		BT_DBG("Product ID             : 0x%04x",
		       le16_to_cpu(tlv_patch->product_id));
		BT_DBG("Rom Build Version      : 0x%04x",
		       le16_to_cpu(tlv_patch->rom_build));
		BT_DBG("Patch Version          : 0x%04x",
		       le16_to_cpu(tlv_patch->patch_version));
		BT_DBG("Reserved               : 0x%x",
		       le16_to_cpu(tlv_patch->reserved2));
		BT_DBG("Patch Entry Address    : 0x%x",
		       le32_to_cpu(tlv_patch->entry));
		break;

	case TLV_TYPE_NVM:
		idx = 0;
		data = tlv->data;
		while (idx < length) {
			tlv_nvm = (struct tlv_type_nvm *)(data + idx);

			tag_id = le16_to_cpu(tlv_nvm->tag_id);
			tag_len = le16_to_cpu(tlv_nvm->tag_len);

			/* Update NVM tags as needed */
			switch (tag_id) {
			case EDL_TAG_ID_HCI:
				/* HCI transport layer parameters
				 * enabling software inband sleep
				 * onto controller side.
				 */
				tlv_nvm->data[0] |= 0x80;

				/* UART Baud Rate */
				tlv_nvm->data[2] = config->user_baud_rate;

				break;

			case EDL_TAG_ID_DEEP_SLEEP:
				/* Sleep enable mask
				 * enabling deep sleep feature on controller.
				 */
				tlv_nvm->data[0] |= 0x01;

				break;
			}

			idx += (sizeof(u16) + sizeof(u16) + 8 + tag_len);
		}
		break;

	default:
		BT_ERR("Unknown TLV type %d", config->type);
		break;
	}
}

static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
				 const u8 *data, enum rome_tlv_dnld_mode mode)
{
	struct sk_buff *skb;
	struct edl_event_hdr *edl;
	struct tlv_seg_resp *tlv_resp;
	u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2];
	int err = 0;

	cmd[0] = EDL_PATCH_TLV_REQ_CMD;
	cmd[1] = seg_size;
	memcpy(cmd + 2, data, seg_size);

	if (mode == ROME_SKIP_EVT_VSE_CC || mode == ROME_SKIP_EVT_VSE)
		return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2,
				      cmd);

	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd,
				HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err);
		return err;
	}

	if (skb->len != sizeof(*edl) + sizeof(*tlv_resp)) {
		bt_dev_err(hdev, "QCA TLV response size mismatch");
		err = -EILSEQ;
		goto out;
	}

	edl = (struct edl_event_hdr *)(skb->data);
	if (!edl) {
		bt_dev_err(hdev, "TLV with no header");
		err = -EILSEQ;
		goto out;
	}

	tlv_resp = (struct tlv_seg_resp *)(edl->data);

	if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
	    edl->rtype != EDL_TVL_DNLD_RES_EVT || tlv_resp->result != 0x00) {
		bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)",
			   edl->cresp, edl->rtype, tlv_resp->result);
		err = -EIO;
	}

out:
	kfree_skb(skb);

	return err;
}

static int qca_download_firmware(struct hci_dev *hdev,
				  struct rome_config *config)
{
	const struct firmware *fw;
	const u8 *segment;
	int ret, remain, i = 0;

	bt_dev_info(hdev, "QCA Downloading %s", config->fwname);

	ret = request_firmware(&fw, config->fwname, &hdev->dev);
	if (ret) {
		bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
			   config->fwname, ret);
		return ret;
	}

	qca_tlv_check_data(config, fw);

	segment = fw->data;
	remain = fw->size;
	while (remain > 0) {
		int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain);

		bt_dev_dbg(hdev, "Send segment %d, size %d", i++, segsize);

		remain -= segsize;
		/* The last segment is always acked regardless download mode */
		if (!remain || segsize < MAX_SIZE_PER_TLV_SEGMENT)
			config->dnld_mode = ROME_SKIP_EVT_NONE;

		ret = qca_tlv_send_segment(hdev, segsize, segment,
					    config->dnld_mode);
		if (ret)
			break;

		segment += segsize;
	}

	release_firmware(fw);

	return ret;
}

int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
	struct sk_buff *skb;
	u8 cmd[9];
	int err;

	cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD;
	cmd[1] = 0x02; 			/* TAG ID */
	cmd[2] = sizeof(bdaddr_t);	/* size */
	memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t));
	skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd,
				HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "QCA Change address command failed (%d)", err);
		return err;
	}

	kfree_skb(skb);

	return 0;
}
EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);

int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
		   enum qca_btsoc_type soc_type, u32 soc_ver)
{
	struct rome_config config;
	int err;
	u8 rom_ver = 0;

	bt_dev_dbg(hdev, "QCA setup on UART");

	config.user_baud_rate = baudrate;

	/* Download rampatch file */
	config.type = TLV_TYPE_PATCH;
	if (qca_is_wcn399x(soc_type)) {
		/* Firmware files to download are based on ROM version.
		 * ROM version is derived from last two bytes of soc_ver.
		 */
		rom_ver = ((soc_ver & 0x00000f00) >> 0x04) |
			    (soc_ver & 0x0000000f);
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/crbtfw%02x.tlv", rom_ver);
	} else {
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/rampatch_%08x.bin", soc_ver);
	}

	err = qca_download_firmware(hdev, &config);
	if (err < 0) {
		bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
		return err;
	}

	/* Download NVM configuration */
	config.type = TLV_TYPE_NVM;
	if (qca_is_wcn399x(soc_type))
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/crnv%02x.bin", rom_ver);
	else
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/nvm_%08x.bin", soc_ver);

	err = qca_download_firmware(hdev, &config);
	if (err < 0) {
		bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
		return err;
	}

	/* Perform HCI reset */
	err = qca_send_reset(hdev);
	if (err < 0) {
		bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err);
		return err;
	}

	bt_dev_info(hdev, "QCA setup on UART is completed");

	return 0;
}
EXPORT_SYMBOL_GPL(qca_uart_setup);

int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
	struct sk_buff *skb;
	int err;

	skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, bdaddr,
				HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);
		return err;
	}

	kfree_skb(skb);

	return 0;
}
EXPORT_SYMBOL_GPL(qca_set_bdaddr);


MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
MODULE_VERSION(VERSION);
MODULE_LICENSE("GPL");
Commit	Line	Data
45051539	1	// SPDX-License-Identifier: GPL-2.0-only
83e81961 BYTK	2	/*
	3	* Bluetooth supports for Qualcomm Atheros chips
	4	*
	5	* Copyright (c) 2015 The Linux Foundation. All rights reserved.
83e81961 BYTK	6	*/
	7	#include <linux/module.h>
	8	#include <linux/firmware.h>
	9
	10	#include <net/bluetooth/bluetooth.h>
	11	#include <net/bluetooth/hci_core.h>
	12
	13	#include "btqca.h"
	14
	15	#define VERSION "0.1"
	16
ba493d4f	17	int qca_read_soc_version(struct hci_dev hdev, u32 soc_version)
83e81961 BYTK	18	{
	19	struct sk_buff *skb;
	20	struct edl_event_hdr *edl;
	21	struct rome_version *ver;
	22	char cmd;
	23	int err = 0;
	24
ba493d4f	25	bt_dev_dbg(hdev, "QCA Version Request");
83e81961 BYTK	26
	27	cmd = EDL_PATCH_VER_REQ_CMD;
	28	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
e4cc5a18	29	&cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
83e81961 BYTK	30	if (IS_ERR(skb)) {
83e81961 BYTK	31	err = PTR_ERR(skb);
ba493d4f BG	32	bt_dev_err(hdev, "Reading QCA version information failed (%d)",
ba493d4f BG	33	err);
83e81961 BYTK	34	return err;
	35	}
	36
	37	if (skb->len != sizeof(edl) + sizeof(ver)) {
ba493d4f	38	bt_dev_err(hdev, "QCA Version size mismatch len %d", skb->len);
83e81961 BYTK	39	err = -EILSEQ;
	40	goto out;
	41	}
	42
	43	edl = (struct edl_event_hdr *)(skb->data);
0676cab4	44	if (!edl) {
ba493d4f	45	bt_dev_err(hdev, "QCA TLV with no header");
83e81961 BYTK	46	err = -EILSEQ;
	47	goto out;
	48	}
	49
	50	if (edl->cresp != EDL_CMD_REQ_RES_EVT \|\|
	51	edl->rtype != EDL_APP_VER_RES_EVT) {
ba493d4f BG	52	bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
ba493d4f BG	53	edl->rtype);
83e81961 BYTK	54	err = -EIO;
	55	goto out;
	56	}
	57
	58	ver = (struct rome_version *)(edl->data);
	59
	60	BT_DBG("%s: Product:0x%08x", hdev->name, le32_to_cpu(ver->product_id));
	61	BT_DBG("%s: Patch :0x%08x", hdev->name, le16_to_cpu(ver->patch_ver));
	62	BT_DBG("%s: ROM :0x%08x", hdev->name, le16_to_cpu(ver->rome_ver));
	63	BT_DBG("%s: SOC :0x%08x", hdev->name, le32_to_cpu(ver->soc_id));
	64
ba493d4f	65	/* QCA chipset version can be decided by patch and SoC
83e81961 BYTK	66	* version, combination with upper 2 bytes from SoC
	67	* and lower 2 bytes from patch will be used.
	68	*/
ba493d4f	69	*soc_version = (le32_to_cpu(ver->soc_id) << 16) \|
2193a980	70	(le16_to_cpu(ver->rome_ver) & 0x0000ffff);
aadebac4 BG	71	if (*soc_version == 0)
aadebac4 BG	72	err = -EILSEQ;
83e81961 BYTK	73
	74	out:
	75	kfree_skb(skb);
aadebac4 BG	76	if (err)
aadebac4 BG	77	bt_dev_err(hdev, "QCA Failed to get version (%d)", err);
83e81961 BYTK	78
	79	return err;
	80	}
ba493d4f	81	EXPORT_SYMBOL_GPL(qca_read_soc_version);
83e81961	82
ba493d4f	83	static int qca_send_reset(struct hci_dev *hdev)
83e81961 BYTK	84	{
	85	struct sk_buff *skb;
	86	int err;
	87
ba493d4f	88	bt_dev_dbg(hdev, "QCA HCI_RESET");
83e81961 BYTK	89
	90	skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
	91	if (IS_ERR(skb)) {
	92	err = PTR_ERR(skb);
ba493d4f	93	bt_dev_err(hdev, "QCA Reset failed (%d)", err);
83e81961 BYTK	94	return err;
	95	}
	96
	97	kfree_skb(skb);
	98
	99	return 0;
	100	}
	101
ba493d4f	102	static void qca_tlv_check_data(struct rome_config *config,
83e81961 BYTK	103	const struct firmware *fw)
	104	{
	105	const u8 *data;
	106	u32 type_len;
	107	u16 tag_id, tag_len;
	108	int idx, length;
	109	struct tlv_type_hdr *tlv;
	110	struct tlv_type_patch *tlv_patch;
	111	struct tlv_type_nvm *tlv_nvm;
	112
	113	tlv = (struct tlv_type_hdr *)fw->data;
	114
	115	type_len = le32_to_cpu(tlv->type_len);
	116	length = (type_len >> 8) & 0x00ffffff;
	117
	118	BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
	119	BT_DBG("Length\t\t : %d bytes", length);
	120
6e03126a LP	121	config->dnld_mode = ROME_SKIP_EVT_NONE;
6e03126a LP	122
83e81961 BYTK	123	switch (config->type) {
	124	case TLV_TYPE_PATCH:
	125	tlv_patch = (struct tlv_type_patch *)tlv->data;
6e03126a LP	126
	127	/* For Rome version 1.1 to 3.1, all segment commands
	128	* are acked by a vendor specific event (VSE).
	129	* For Rome >= 3.2, the download mode field indicates
	130	* if VSE is skipped by the controller.
	131	* In case VSE is skipped, only the last segment is acked.
	132	*/
	133	config->dnld_mode = tlv_patch->download_mode;
	134
	135	BT_DBG("Total Length : %d bytes",
83e81961	136	le32_to_cpu(tlv_patch->total_size));
6e03126a	137	BT_DBG("Patch Data Length : %d bytes",
83e81961 BYTK	138	le32_to_cpu(tlv_patch->data_length));
	139	BT_DBG("Signing Format Version : 0x%x",
	140	tlv_patch->format_version);
6e03126a	141	BT_DBG("Signature Algorithm : 0x%x",
83e81961	142	tlv_patch->signature);
6e03126a LP	143	BT_DBG("Download mode : 0x%x",
	144	tlv_patch->download_mode);
	145	BT_DBG("Reserved : 0x%x",
	146	tlv_patch->reserved1);
	147	BT_DBG("Product ID : 0x%04x",
83e81961	148	le16_to_cpu(tlv_patch->product_id));
6e03126a	149	BT_DBG("Rom Build Version : 0x%04x",
83e81961	150	le16_to_cpu(tlv_patch->rom_build));
6e03126a	151	BT_DBG("Patch Version : 0x%04x",
83e81961	152	le16_to_cpu(tlv_patch->patch_version));
6e03126a	153	BT_DBG("Reserved : 0x%x",
83e81961	154	le16_to_cpu(tlv_patch->reserved2));
6e03126a	155	BT_DBG("Patch Entry Address : 0x%x",
83e81961 BYTK	156	le32_to_cpu(tlv_patch->entry));
	157	break;
	158
	159	case TLV_TYPE_NVM:
	160	idx = 0;
	161	data = tlv->data;
	162	while (idx < length) {
	163	tlv_nvm = (struct tlv_type_nvm *)(data + idx);
	164
	165	tag_id = le16_to_cpu(tlv_nvm->tag_id);
	166	tag_len = le16_to_cpu(tlv_nvm->tag_len);
	167
	168	/* Update NVM tags as needed */
	169	switch (tag_id) {
	170	case EDL_TAG_ID_HCI:
	171	/* HCI transport layer parameters
	172	* enabling software inband sleep
	173	* onto controller side.
	174	*/
	175	tlv_nvm->data[0] \|= 0x80;
	176
	177	/* UART Baud Rate */
	178	tlv_nvm->data[2] = config->user_baud_rate;
	179
	180	break;
	181
	182	case EDL_TAG_ID_DEEP_SLEEP:
	183	/* Sleep enable mask
	184	* enabling deep sleep feature on controller.
	185	*/
	186	tlv_nvm->data[0] \|= 0x01;
	187
	188	break;
	189	}
	190
	191	idx += (sizeof(u16) + sizeof(u16) + 8 + tag_len);
	192	}
	193	break;
	194
	195	default:
	196	BT_ERR("Unknown TLV type %d", config->type);
	197	break;
	198	}
	199	}
	200
ba493d4f	201	static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
6e03126a	202	const u8 *data, enum rome_tlv_dnld_mode mode)
83e81961 BYTK	203	{
	204	struct sk_buff *skb;
	205	struct edl_event_hdr *edl;
	206	struct tlv_seg_resp *tlv_resp;
	207	u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2];
	208	int err = 0;
	209
83e81961 BYTK	210	cmd[0] = EDL_PATCH_TLV_REQ_CMD;
	211	cmd[1] = seg_size;
	212	memcpy(cmd + 2, data, seg_size);
	213
6e03126a LP	214	if (mode == ROME_SKIP_EVT_VSE_CC \|\| mode == ROME_SKIP_EVT_VSE)
	215	return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2,
	216	cmd);
	217
83e81961	218	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd,
e4cc5a18	219	HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
83e81961 BYTK	220	if (IS_ERR(skb)) {
83e81961 BYTK	221	err = PTR_ERR(skb);
ba493d4f	222	bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err);
83e81961 BYTK	223	return err;
	224	}
	225
	226	if (skb->len != sizeof(edl) + sizeof(tlv_resp)) {
ba493d4f	227	bt_dev_err(hdev, "QCA TLV response size mismatch");
83e81961 BYTK	228	err = -EILSEQ;
	229	goto out;
	230	}
	231
	232	edl = (struct edl_event_hdr *)(skb->data);
0676cab4	233	if (!edl) {
ba493d4f	234	bt_dev_err(hdev, "TLV with no header");
83e81961 BYTK	235	err = -EILSEQ;
	236	goto out;
	237	}
	238
	239	tlv_resp = (struct tlv_seg_resp *)(edl->data);
	240
	241	if (edl->cresp != EDL_CMD_REQ_RES_EVT \|\|
	242	edl->rtype != EDL_TVL_DNLD_RES_EVT \|\| tlv_resp->result != 0x00) {
ba493d4f BG	243	bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)",
ba493d4f BG	244	edl->cresp, edl->rtype, tlv_resp->result);
83e81961 BYTK	245	err = -EIO;
	246	}
	247
	248	out:
	249	kfree_skb(skb);
	250
	251	return err;
	252	}
	253
ba493d4f	254	static int qca_download_firmware(struct hci_dev *hdev,
83e81961 BYTK	255	struct rome_config *config)
	256	{
	257	const struct firmware *fw;
6e03126a LP	258	const u8 *segment;
6e03126a LP	259	int ret, remain, i = 0;
83e81961	260
ba493d4f	261	bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
83e81961 BYTK	262
	263	ret = request_firmware(&fw, config->fwname, &hdev->dev);
	264	if (ret) {
ba493d4f BG	265	bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
ba493d4f BG	266	config->fwname, ret);
83e81961 BYTK	267	return ret;
	268	}
	269
ba493d4f	270	qca_tlv_check_data(config, fw);
83e81961	271
6e03126a LP	272	segment = fw->data;
	273	remain = fw->size;
	274	while (remain > 0) {
	275	int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain);
	276
	277	bt_dev_dbg(hdev, "Send segment %d, size %d", i++, segsize);
	278
	279	remain -= segsize;
	280	/* The last segment is always acked regardless download mode */
	281	if (!remain \|\| segsize < MAX_SIZE_PER_TLV_SEGMENT)
	282	config->dnld_mode = ROME_SKIP_EVT_NONE;
	283
ba493d4f	284	ret = qca_tlv_send_segment(hdev, segsize, segment,
6e03126a LP	285	config->dnld_mode);
	286	if (ret)
	287	break;
	288
	289	segment += segsize;
83e81961 BYTK	290	}
	291
	292	release_firmware(fw);
	293
	294	return ret;
	295	}
	296
	297	int qca_set_bdaddr_rome(struct hci_dev hdev, const bdaddr_t bdaddr)
	298	{
	299	struct sk_buff *skb;
	300	u8 cmd[9];
	301	int err;
	302
	303	cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD;
	304	cmd[1] = 0x02; /* TAG ID */
	305	cmd[2] = sizeof(bdaddr_t); /* size */
	306	memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t));
	307	skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd,
e4cc5a18	308	HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
83e81961 BYTK	309	if (IS_ERR(skb)) {
83e81961 BYTK	310	err = PTR_ERR(skb);
ba493d4f	311	bt_dev_err(hdev, "QCA Change address command failed (%d)", err);
83e81961 BYTK	312	return err;
	313	}
	314
	315	kfree_skb(skb);
	316
	317	return 0;
	318	}
	319	EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
	320
aadebac4 BG	321	int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
aadebac4 BG	322	enum qca_btsoc_type soc_type, u32 soc_ver)
83e81961	323	{
83e81961 BYTK	324	struct rome_config config;
83e81961 BYTK	325	int err;
523760b7	326	u8 rom_ver = 0;
83e81961	327
ba493d4f	328	bt_dev_dbg(hdev, "QCA setup on UART");
83e81961 BYTK	329
	330	config.user_baud_rate = baudrate;
	331
83e81961 BYTK	332	/* Download rampatch file */
83e81961 BYTK	333	config.type = TLV_TYPE_PATCH;
523760b7	334	if (qca_is_wcn399x(soc_type)) {
4219d468 BG	335	/* Firmware files to download are based on ROM version.
	336	* ROM version is derived from last two bytes of soc_ver.
	337	*/
	338	rom_ver = ((soc_ver & 0x00000f00) >> 0x04) \|
	339	(soc_ver & 0x0000000f);
	340	snprintf(config.fwname, sizeof(config.fwname),
	341	"qca/crbtfw%02x.tlv", rom_ver);
	342	} else {
	343	snprintf(config.fwname, sizeof(config.fwname),
	344	"qca/rampatch_%08x.bin", soc_ver);
	345	}
	346
ba493d4f	347	err = qca_download_firmware(hdev, &config);
83e81961	348	if (err < 0) {
ba493d4f	349	bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
83e81961 BYTK	350	return err;
	351	}
	352
	353	/* Download NVM configuration */
	354	config.type = TLV_TYPE_NVM;
523760b7	355	if (qca_is_wcn399x(soc_type))
4219d468 BG	356	snprintf(config.fwname, sizeof(config.fwname),
	357	"qca/crnv%02x.bin", rom_ver);
	358	else
	359	snprintf(config.fwname, sizeof(config.fwname),
	360	"qca/nvm_%08x.bin", soc_ver);
	361
ba493d4f	362	err = qca_download_firmware(hdev, &config);
83e81961	363	if (err < 0) {
ba493d4f	364	bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
83e81961 BYTK	365	return err;
	366	}
	367
	368	/* Perform HCI reset */
ba493d4f	369	err = qca_send_reset(hdev);
83e81961	370	if (err < 0) {
ba493d4f	371	bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err);
83e81961 BYTK	372	return err;
	373	}
	374
ba493d4f	375	bt_dev_info(hdev, "QCA setup on UART is completed");
83e81961 BYTK	376
	377	return 0;
	378	}
ba493d4f	379	EXPORT_SYMBOL_GPL(qca_uart_setup);
83e81961	380
5c0a1001 BG	381	int qca_set_bdaddr(struct hci_dev hdev, const bdaddr_t bdaddr)
	382	{
	383	struct sk_buff *skb;
	384	int err;
	385
	386	skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, bdaddr,
	387	HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
	388	if (IS_ERR(skb)) {
	389	err = PTR_ERR(skb);
	390	bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);
	391	return err;
	392	}
	393
	394	kfree_skb(skb);
	395
	396	return 0;
	397	}
	398	EXPORT_SYMBOL_GPL(qca_set_bdaddr);
	399
523760b7	400
83e81961 BYTK	401	MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
	402	MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
	403	MODULE_VERSION(VERSION);
	404	MODULE_LICENSE("GPL");