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Bluetooth: x86-Rome driver support
Add USB client driver support for Rome USB chip. Change-Id: I781dcdc913291ab0695ced1b34fde2710049586e Signed-off-by: Bhasker Neti <bneti@codeaurora.org>
This commit is contained in:
Bhasker Neti
parent
480c71781b
commit
f38c173fe1
@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2008-2009 Atheros Communications Inc.
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* Copyright (c) 2014 The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@ -32,6 +33,19 @@
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#define VERSION "1.0"
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#define ATH3K_FIRMWARE "ath3k-1.fw"
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#define ROME2_1_USB_RAMPATCH_FILE "ar3k/rampatch_2.1.tlv"
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#define ROME2_1_USB_NVM_FILE "ar3k/nvm_tlv_usb_2.1.bin"
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#define ROME1_1_USB_RAMPATCH_FILE "ar3k/rampatch_1.1.img"
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#define ROME1_1_USB_NVM_FILE "ar3k/nvm_tlv_usb_1.1.bin"
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#define ROME2_1_USB_RAMPATCH_HEADER sizeof(struct rome2_1_version)
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#define ROME1_1_USB_RAMPATCH_HEADER sizeof(struct rome1_1_version)
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#define ROME1_1_USB_NVM_HEADER 0x04
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#define ROME2_1_USB_NVM_HEADER 0x04
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#define ROME2_1_USB_CHIP_VERSION 0x200
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#define ROME1_1_USB_CHIP_VERSION 0x101
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#define ATH3K_DNLOAD 0x01
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#define ATH3K_GETSTATE 0x05
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#define ATH3K_SET_NORMAL_MODE 0x07
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@ -57,6 +71,34 @@ struct ath3k_version {
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unsigned char reserved[0x07];
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};
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struct __packed rome1_1_version {
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u8 type;
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u8 length[3];
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u8 sign_ver;
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u8 sign_algo;
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u8 resv1[2];
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u16 product_id;
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u16 build_ver;
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u16 patch_ver;
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u8 resv2[2];
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u32 entry_addr;
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};
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struct __packed rome2_1_version {
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u8 type;
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u8 length[3];
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u32 total_len;
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u32 patch_len;
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u8 sign_ver;
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u8 sign_algo;
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u8 resv1[2];
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u16 product_id;
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u16 build_ver;
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u16 patch_ver;
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u8 resv2[2];
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u32 entry_addr;
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};
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static struct usb_device_id ath3k_table[] = {
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/* Atheros AR3011 */
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{ USB_DEVICE(0x0CF3, 0x3000) },
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@ -243,8 +285,27 @@ static int ath3k_get_version(struct usb_device *udev,
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return ret;
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}
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int get_rome_version(struct usb_device *udev)
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{
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struct ath3k_version fw_version;
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int ret = 0;
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ret = ath3k_get_version(udev, &fw_version);
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if (ret < 0) {
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BT_ERR("Failed to get Rome Firmware version");
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return ret;
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}
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if ((fw_version.rom_version == ROME2_1_USB_CHIP_VERSION) ||
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(fw_version.rom_version == ROME1_1_USB_CHIP_VERSION))
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ret = fw_version.rom_version;
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else
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ret = 0;
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return ret;
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}
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EXPORT_SYMBOL(get_rome_version);
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static int ath3k_load_fwfile(struct usb_device *udev,
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const struct firmware *firmware)
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const struct firmware *firmware, int header_h)
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{
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u8 *send_buf;
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int err, pipe, len, size, count, sent = 0;
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@ -258,7 +319,7 @@ static int ath3k_load_fwfile(struct usb_device *udev,
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return -ENOMEM;
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}
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size = min_t(uint, count, FW_HDR_SIZE);
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size = min_t(uint, count, header_h);
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memcpy(send_buf, firmware->data, size);
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pipe = usb_sndctrlpipe(udev, 0);
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@ -334,6 +395,8 @@ static int ath3k_load_patch(struct usb_device *udev)
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char filename[ATH3K_NAME_LEN] = {0};
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const struct firmware *firmware;
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struct ath3k_version fw_version, pt_version;
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struct rome2_1_version *rome2_1_version;
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struct rome1_1_version *rome1_1_version;
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int ret;
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ret = ath3k_get_state(udev, &fw_state);
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@ -352,20 +415,45 @@ static int ath3k_load_patch(struct usb_device *udev)
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BT_ERR("Can't get version to change to load ram patch err");
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return ret;
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}
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snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
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if (fw_version.rom_version == ROME1_1_USB_CHIP_VERSION) {
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BT_DBG("Chip Detected as ROME1.1");
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snprintf(filename, ATH3K_NAME_LEN, ROME1_1_USB_RAMPATCH_FILE);
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} else if (fw_version.rom_version == ROME2_1_USB_CHIP_VERSION) {
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BT_DBG("Chip Detected as ROME2.1");
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snprintf(filename, ATH3K_NAME_LEN, ROME2_1_USB_RAMPATCH_FILE);
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} else {
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BT_DBG("Chip Detected as Ath3k");
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snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
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fw_version.rom_version);
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}
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ret = request_firmware(&firmware, filename, &udev->dev);
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if (ret < 0) {
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BT_ERR("Patch file not found %s", filename);
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return ret;
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}
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pt_version.rom_version = *(int *)(firmware->data + firmware->size - 8);
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pt_version.build_version = *(int *)
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if (fw_version.rom_version == ROME2_1_USB_CHIP_VERSION) {
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rome2_1_version = (struct rome2_1_version *) firmware->data;
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pt_version.rom_version = rome2_1_version->build_ver;
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pt_version.build_version = rome2_1_version->patch_ver;
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BT_DBG("pt_ver.rom2.1_ver : 0x%x", pt_version.rom_version);
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BT_DBG("pt_ver.build2.1_ver: 0x%x", pt_version.build_version);
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BT_DBG("fw_ver.rom2.1_ver: 0x%x", fw_version.rom_version);
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BT_DBG("fw_ver.build2.1_ver: 0x%x", fw_version.build_version);
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} else if (fw_version.rom_version == ROME1_1_USB_CHIP_VERSION) {
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rome1_1_version = (struct rome1_1_version *) firmware->data;
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pt_version.build_version = rome1_1_version->build_ver;
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pt_version.rom_version = rome1_1_version->patch_ver;
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BT_DBG("pt_ver.rom1.1_ver : 0x%x", pt_version.rom_version);
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BT_DBG("pt_ver.build1.1_ver: 0x%x", pt_version.build_version);
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BT_DBG("fw_ver.rom1.1_ver: 0x%x", fw_version.rom_version);
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BT_DBG("fw_ver.build1.1_ver: 0x%x", fw_version.build_version);
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} else {
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pt_version.rom_version = *(int *)(firmware->data +
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firmware->size - 8);
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pt_version.build_version = *(int *)
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(firmware->data + firmware->size - 4);
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}
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if ((pt_version.rom_version != fw_version.rom_version) ||
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(pt_version.build_version <= fw_version.build_version)) {
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BT_ERR("Patch file version did not match with firmware");
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@ -373,7 +461,15 @@ static int ath3k_load_patch(struct usb_device *udev)
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return -EINVAL;
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}
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ret = ath3k_load_fwfile(udev, firmware);
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if (fw_version.rom_version == ROME2_1_USB_CHIP_VERSION)
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ret = ath3k_load_fwfile(udev, firmware,
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ROME2_1_USB_RAMPATCH_HEADER);
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else if (fw_version.rom_version == ROME1_1_USB_CHIP_VERSION)
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ret = ath3k_load_fwfile(udev, firmware,
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ROME1_1_USB_RAMPATCH_HEADER);
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else
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ret = ath3k_load_fwfile(udev, firmware, FW_HDR_SIZE);
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release_firmware(firmware);
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return ret;
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@ -415,8 +511,13 @@ static int ath3k_load_syscfg(struct usb_device *udev)
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break;
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}
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snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
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fw_version.rom_version, clk_value, ".dfu");
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if (fw_version.rom_version == ROME2_1_USB_CHIP_VERSION)
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snprintf(filename, ATH3K_NAME_LEN, ROME2_1_USB_NVM_FILE);
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else if (fw_version.rom_version == ROME1_1_USB_CHIP_VERSION)
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snprintf(filename, ATH3K_NAME_LEN, ROME1_1_USB_NVM_FILE);
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else
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snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
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fw_version.rom_version, clk_value, ".dfu");
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ret = request_firmware(&firmware, filename, &udev->dev);
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if (ret < 0) {
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@ -424,12 +525,36 @@ static int ath3k_load_syscfg(struct usb_device *udev)
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return ret;
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}
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ret = ath3k_load_fwfile(udev, firmware);
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if (fw_version.rom_version == ROME2_1_USB_CHIP_VERSION)
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ret = ath3k_load_fwfile(udev, firmware, ROME2_1_USB_NVM_HEADER);
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else if (fw_version.rom_version == ROME1_1_USB_CHIP_VERSION)
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ret = ath3k_load_fwfile(udev, firmware, ROME1_1_USB_NVM_HEADER);
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else
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ret = ath3k_load_fwfile(udev, firmware, FW_HDR_SIZE);
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release_firmware(firmware);
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return ret;
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}
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int rome_download(struct usb_device *udev)
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{
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int ret;
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ret = ath3k_load_patch(udev);
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if (ret < 0) {
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BT_ERR("Loading patch file failed");
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return ret;
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}
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ret = ath3k_load_syscfg(udev);
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if (ret < 0) {
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BT_ERR("Loading sysconfig file failed");
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return ret;
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}
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return ret;
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}
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EXPORT_SYMBOL(rome_download);
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static int ath3k_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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@ -441,7 +566,10 @@ static int ath3k_probe(struct usb_interface *intf,
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if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
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return -ENODEV;
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if (get_rome_version(udev)) {
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BT_INFO("Rome detected, fw dnld will be triggered from btusb");
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return -ENODEV;
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}
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/* match device ID in ath3k blacklist table */
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if (!id->driver_info) {
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const struct usb_device_id *match;
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@ -4,7 +4,6 @@
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*
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* Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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@ -1332,7 +1331,7 @@ static int btusb_probe(struct usb_interface *intf,
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struct usb_endpoint_descriptor *ep_desc;
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struct btusb_data *data;
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struct hci_dev *hdev;
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int i, err;
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int i, version, err;
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BT_DBG("intf %p id %p", intf, id);
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@ -1362,12 +1361,17 @@ static int btusb_probe(struct usb_interface *intf,
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if (id->driver_info & BTUSB_ATH3012) {
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struct usb_device *udev = interface_to_usbdev(intf);
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version = get_rome_version(udev);
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BT_INFO("Rome Version: 0x%x", version);
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/* Old firmware would otherwise let ath3k driver load
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* patch and sysconfig files */
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if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
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if (version)
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rome_download(udev);
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else if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) {
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BT_INFO("FW for ar3k is yet to be downloaded");
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return -ENODEV;
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}
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}
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data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
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if (!data)
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return -ENOMEM;
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@ -1,6 +1,7 @@
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/*
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BlueZ - Bluetooth protocol stack for Linux
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Copyright (C) 2000-2001 Qualcomm Incorporated
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Copyright (C) 2014 The Linux Foundation. All rights reserved.
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Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
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@ -28,6 +29,7 @@
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#include <linux/poll.h>
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#include <net/sock.h>
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#include <linux/seq_file.h>
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#include <linux/usb.h>
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#ifndef AF_BLUETOOTH
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#define AF_BLUETOOTH 31
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@ -344,4 +346,7 @@ void sco_exit(void);
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void bt_sock_reclassify_lock(struct sock *sk, int proto);
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int get_rome_version(struct usb_device *udev);
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int rome_download(struct usb_device *udev);
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#endif /* __BLUETOOTH_H */
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