diff options
Diffstat (limited to 'drivers/uwb/i1480/dfu')
| -rw-r--r-- | drivers/uwb/i1480/dfu/Makefile | 10 | ||||
| -rw-r--r-- | drivers/uwb/i1480/dfu/dfu.c | 198 | ||||
| -rw-r--r-- | drivers/uwb/i1480/dfu/i1480-dfu.h | 246 | ||||
| -rw-r--r-- | drivers/uwb/i1480/dfu/mac.c | 496 | ||||
| -rw-r--r-- | drivers/uwb/i1480/dfu/phy.c | 190 | ||||
| -rw-r--r-- | drivers/uwb/i1480/dfu/usb.c | 448 |
6 files changed, 0 insertions, 1588 deletions
diff --git a/drivers/uwb/i1480/dfu/Makefile b/drivers/uwb/i1480/dfu/Makefile deleted file mode 100644 index 4739fdac5922..000000000000 --- a/drivers/uwb/i1480/dfu/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -obj-$(CONFIG_UWB_I1480U) += i1480-dfu-usb.o - -i1480-dfu-usb-objs := \ - dfu.o \ - mac.o \ - phy.o \ - usb.o - - diff --git a/drivers/uwb/i1480/dfu/dfu.c b/drivers/uwb/i1480/dfu/dfu.c deleted file mode 100644 index ec1af858ead9..000000000000 --- a/drivers/uwb/i1480/dfu/dfu.c +++ /dev/null @@ -1,198 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Intel Wireless UWB Link 1480 - * Main driver - * - * Copyright (C) 2005-2006 Intel Corporation - * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> - * - * Common code for firmware upload used by the USB and PCI version; - * i1480_fw_upload() takes a device descriptor and uses the function - * pointers it provides to upload firmware and prepare the PHY. - * - * As well, provides common functions used by the rest of the code. - */ -#include "i1480-dfu.h" -#include <linux/errno.h> -#include <linux/delay.h> -#include <linux/pci.h> -#include <linux/device.h> -#include <linux/uwb.h> -#include <linux/random.h> -#include <linux/export.h> - -/* - * i1480_rceb_check - Check RCEB for expected field values - * @i1480: pointer to device for which RCEB is being checked - * @rceb: RCEB being checked - * @cmd: which command the RCEB is related to - * @context: expected context - * @expected_type: expected event type - * @expected_event: expected event - * - * If @cmd is NULL, do not print error messages, but still return an error - * code. - * - * Return 0 if @rceb matches the expected values, -EINVAL otherwise. - */ -int i1480_rceb_check(const struct i1480 *i1480, const struct uwb_rceb *rceb, - const char *cmd, u8 context, u8 expected_type, - unsigned expected_event) -{ - int result = 0; - struct device *dev = i1480->dev; - if (rceb->bEventContext != context) { - if (cmd) - dev_err(dev, "%s: unexpected context id 0x%02x " - "(expected 0x%02x)\n", cmd, - rceb->bEventContext, context); - result = -EINVAL; - } - if (rceb->bEventType != expected_type) { - if (cmd) - dev_err(dev, "%s: unexpected event type 0x%02x " - "(expected 0x%02x)\n", cmd, - rceb->bEventType, expected_type); - result = -EINVAL; - } - if (le16_to_cpu(rceb->wEvent) != expected_event) { - if (cmd) - dev_err(dev, "%s: unexpected event 0x%04x " - "(expected 0x%04x)\n", cmd, - le16_to_cpu(rceb->wEvent), expected_event); - result = -EINVAL; - } - return result; -} -EXPORT_SYMBOL_GPL(i1480_rceb_check); - - -/* - * Execute a Radio Control Command - * - * Command data has to be in i1480->cmd_buf. - * - * @returns size of the reply data filled in i1480->evt_buf or < 0 errno - * code on error. - */ -ssize_t i1480_cmd(struct i1480 *i1480, const char *cmd_name, size_t cmd_size, - size_t reply_size) -{ - ssize_t result; - struct uwb_rceb *reply = i1480->evt_buf; - struct uwb_rccb *cmd = i1480->cmd_buf; - u16 expected_event = reply->wEvent; - u8 expected_type = reply->bEventType; - u8 context; - - init_completion(&i1480->evt_complete); - i1480->evt_result = -EINPROGRESS; - do { - get_random_bytes(&context, 1); - } while (context == 0x00 || context == 0xff); - cmd->bCommandContext = context; - result = i1480->cmd(i1480, cmd_name, cmd_size); - if (result < 0) - goto error; - /* wait for the callback to report a event was received */ - result = wait_for_completion_interruptible_timeout( - &i1480->evt_complete, HZ); - if (result == 0) { - result = -ETIMEDOUT; - goto error; - } - if (result < 0) - goto error; - result = i1480->evt_result; - if (result < 0) { - dev_err(i1480->dev, "%s: command reply reception failed: %zd\n", - cmd_name, result); - goto error; - } - /* - * Firmware versions >= 1.4.12224 for IOGear GUWA100U generate a - * spurious notification after firmware is downloaded. So check whether - * the receibed RCEB is such notification before assuming that the - * command has failed. - */ - if (i1480_rceb_check(i1480, i1480->evt_buf, NULL, - 0, 0xfd, 0x0022) == 0) { - /* Now wait for the actual RCEB for this command. */ - result = i1480->wait_init_done(i1480); - if (result < 0) - goto error; - result = i1480->evt_result; - } - if (result != reply_size) { - dev_err(i1480->dev, "%s returned only %zu bytes, %zu expected\n", - cmd_name, result, reply_size); - result = -EINVAL; - goto error; - } - /* Verify we got the right event in response */ - result = i1480_rceb_check(i1480, i1480->evt_buf, cmd_name, context, - expected_type, expected_event); -error: - return result; -} -EXPORT_SYMBOL_GPL(i1480_cmd); - - -static -int i1480_print_state(struct i1480 *i1480) -{ - int result; - u32 *buf = (u32 *) i1480->cmd_buf; - - result = i1480->read(i1480, 0x80080000, 2 * sizeof(*buf)); - if (result < 0) { - dev_err(i1480->dev, "cannot read U & L states: %d\n", result); - goto error; - } - dev_info(i1480->dev, "state U 0x%08x, L 0x%08x\n", buf[0], buf[1]); -error: - return result; -} - - -/* - * PCI probe, firmware uploader - * - * _mac_fw_upload() will call rc_setup(), which needs an rc_release(). - */ -int i1480_fw_upload(struct i1480 *i1480) -{ - int result; - - result = i1480_pre_fw_upload(i1480); /* PHY pre fw */ - if (result < 0 && result != -ENOENT) { - i1480_print_state(i1480); - goto error; - } - result = i1480_mac_fw_upload(i1480); /* MAC fw */ - if (result < 0) { - if (result == -ENOENT) - dev_err(i1480->dev, "Cannot locate MAC FW file '%s'\n", - i1480->mac_fw_name); - else - i1480_print_state(i1480); - goto error; - } - result = i1480_phy_fw_upload(i1480); /* PHY fw */ - if (result < 0 && result != -ENOENT) { - i1480_print_state(i1480); - goto error_rc_release; - } - /* - * FIXME: find some reliable way to check whether firmware is running - * properly. Maybe use some standard request that has no side effects? - */ - dev_info(i1480->dev, "firmware uploaded successfully\n"); -error_rc_release: - if (i1480->rc_release) - i1480->rc_release(i1480); - result = 0; -error: - return result; -} -EXPORT_SYMBOL_GPL(i1480_fw_upload); diff --git a/drivers/uwb/i1480/dfu/i1480-dfu.h b/drivers/uwb/i1480/dfu/i1480-dfu.h deleted file mode 100644 index 9dd567d174b3..000000000000 --- a/drivers/uwb/i1480/dfu/i1480-dfu.h +++ /dev/null @@ -1,246 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * i1480 Device Firmware Upload - * - * Copyright (C) 2005-2006 Intel Corporation - * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> - * - * This driver is the firmware uploader for the Intel Wireless UWB - * Link 1480 device (both in the USB and PCI incarnations). - * - * The process is quite simple: we stop the device, write the firmware - * to its memory and then restart it. Wait for the device to let us - * know it is done booting firmware. Ready. - * - * We might have to upload before or after a phy firmware (which might - * be done in two methods, using a normal firmware image or through - * the MPI port). - * - * Because USB and PCI use common methods, we just make ops out of the - * common operations (read, write, wait_init_done and cmd) and - * implement them in usb.c and pci.c. - * - * The flow is (some parts omitted): - * - * i1480_{usb,pci}_probe() On enumerate/discovery - * i1480_fw_upload() - * i1480_pre_fw_upload() - * __mac_fw_upload() - * fw_hdrs_load() - * mac_fw_hdrs_push() - * i1480->write() [i1480_{usb,pci}_write()] - * i1480_fw_cmp() - * i1480->read() [i1480_{usb,pci}_read()] - * i1480_mac_fw_upload() - * __mac_fw_upload() - * i1480->setup(() - * i1480->wait_init_done() - * i1480_cmd_reset() - * i1480->cmd() [i1480_{usb,pci}_cmd()] - * ... - * i1480_phy_fw_upload() - * request_firmware() - * i1480_mpi_write() - * i1480->cmd() [i1480_{usb,pci}_cmd()] - * - * Once the probe function enumerates the device and uploads the - * firmware, we just exit with -ENODEV, as we don't really want to - * attach to the device. - */ -#ifndef __i1480_DFU_H__ -#define __i1480_DFU_H__ - -#include <linux/uwb/spec.h> -#include <linux/types.h> -#include <linux/completion.h> - -#define i1480_FW_UPLOAD_MODE_MASK (cpu_to_le32(0x00000018)) - -#if i1480_FW > 0x00000302 -#define i1480_RCEB_EXTENDED -#endif - -struct uwb_rccb; -struct uwb_rceb; - -/* - * Common firmware upload handlers - * - * Normally you embed this struct in another one specific to your hw. - * - * @write Write to device's memory from buffer. - * @read Read from device's memory to i1480->evt_buf. - * @setup Setup device after basic firmware is uploaded - * @wait_init_done - * Wait for the device to send a notification saying init - * is done. - * @cmd FOP for issuing the command to the hardware. The - * command data is contained in i1480->cmd_buf and the size - * is supplied as an argument. The command replied is put - * in i1480->evt_buf and the size in i1480->evt_result (or if - * an error, a < 0 errno code). - * - * @cmd_buf Memory buffer used to send commands to the device. - * Allocated by the upper layers i1480_fw_upload(). - * Size has to be @buf_size. - * @evt_buf Memory buffer used to place the async notifications - * received by the hw. Allocated by the upper layers - * i1480_fw_upload(). - * Size has to be @buf_size. - * @cmd_complete - * Low level driver uses this to notify code waiting afor - * an event that the event has arrived and data is in - * i1480->evt_buf (and size/result in i1480->evt_result). - * @hw_rev - * Use this value to activate dfu code to support new revisions - * of hardware. i1480_init() sets this to a default value. - * It should be updated by the USB and PCI code. - */ -struct i1480 { - struct device *dev; - - int (*write)(struct i1480 *, u32 addr, const void *, size_t); - int (*read)(struct i1480 *, u32 addr, size_t); - int (*rc_setup)(struct i1480 *); - void (*rc_release)(struct i1480 *); - int (*wait_init_done)(struct i1480 *); - int (*cmd)(struct i1480 *, const char *cmd_name, size_t cmd_size); - const char *pre_fw_name; - const char *mac_fw_name; - const char *mac_fw_name_deprecate; /* FIXME: Will go away */ - const char *phy_fw_name; - u8 hw_rev; - - size_t buf_size; /* size of both evt_buf and cmd_buf */ - void *evt_buf, *cmd_buf; - ssize_t evt_result; - struct completion evt_complete; -}; - -static inline -void i1480_init(struct i1480 *i1480) -{ - i1480->hw_rev = 1; - init_completion(&i1480->evt_complete); -} - -extern int i1480_fw_upload(struct i1480 *); -extern int i1480_pre_fw_upload(struct i1480 *); -extern int i1480_mac_fw_upload(struct i1480 *); -extern int i1480_phy_fw_upload(struct i1480 *); -extern ssize_t i1480_cmd(struct i1480 *, const char *, size_t, size_t); -extern int i1480_rceb_check(const struct i1480 *, - const struct uwb_rceb *, const char *, u8, - u8, unsigned); - -enum { - /* Vendor specific command type */ - i1480_CET_VS1 = 0xfd, - /* i1480 commands */ - i1480_CMD_SET_IP_MAS = 0x000e, - i1480_CMD_GET_MAC_PHY_INFO = 0x0003, - i1480_CMD_MPI_WRITE = 0x000f, - i1480_CMD_MPI_READ = 0x0010, - /* i1480 events */ -#if i1480_FW > 0x00000302 - i1480_EVT_CONFIRM = 0x0002, - i1480_EVT_RM_INIT_DONE = 0x0101, - i1480_EVT_DEV_ADD = 0x0103, - i1480_EVT_DEV_RM = 0x0104, - i1480_EVT_DEV_ID_CHANGE = 0x0105, - i1480_EVT_GET_MAC_PHY_INFO = i1480_CMD_GET_MAC_PHY_INFO, -#else - i1480_EVT_CONFIRM = 0x0002, - i1480_EVT_RM_INIT_DONE = 0x0101, - i1480_EVT_DEV_ADD = 0x0103, - i1480_EVT_DEV_RM = 0x0104, - i1480_EVT_DEV_ID_CHANGE = 0x0105, - i1480_EVT_GET_MAC_PHY_INFO = i1480_EVT_CONFIRM, -#endif -}; - - -struct i1480_evt_confirm { - struct uwb_rceb rceb; -#ifdef i1480_RCEB_EXTENDED - __le16 wParamLength; -#endif - u8 bResultCode; -} __attribute__((packed)); - - -struct i1480_rceb { - struct uwb_rceb rceb; -#ifdef i1480_RCEB_EXTENDED - __le16 wParamLength; -#endif -} __attribute__((packed)); - - -/** - * Get MAC & PHY Information confirm event structure - * - * Confirm event returned by the command. - */ -struct i1480_evt_confirm_GMPI { -#if i1480_FW > 0x00000302 - struct uwb_rceb rceb; - __le16 wParamLength; - __le16 status; - u8 mac_addr[6]; /* EUI-64 bit IEEE address [still 8 bytes?] */ - u8 dev_addr[2]; - __le16 mac_fw_rev; /* major = v >> 8; minor = v & 0xff */ - u8 hw_rev; - u8 phy_vendor; - u8 phy_rev; /* major v = >> 8; minor = v & 0xff */ - __le16 mac_caps; - u8 phy_caps[3]; - u8 key_stores; - __le16 mcast_addr_stores; - u8 sec_mode_supported; -#else - struct uwb_rceb rceb; - u8 status; - u8 mac_addr[8]; /* EUI-64 bit IEEE address [still 8 bytes?] */ - u8 dev_addr[2]; - __le16 mac_fw_rev; /* major = v >> 8; minor = v & 0xff */ - __le16 phy_fw_rev; /* major v = >> 8; minor = v & 0xff */ - __le16 mac_caps; - u8 phy_caps; - u8 key_stores; - __le16 mcast_addr_stores; - u8 sec_mode_supported; -#endif -} __attribute__((packed)); - - -struct i1480_cmd_mpi_write { - struct uwb_rccb rccb; - __le16 size; - u8 data[]; -}; - - -struct i1480_cmd_mpi_read { - struct uwb_rccb rccb; - __le16 size; - struct { - u8 page, offset; - } __attribute__((packed)) data[]; -} __attribute__((packed)); - - -struct i1480_evt_mpi_read { - struct uwb_rceb rceb; -#ifdef i1480_RCEB_EXTENDED - __le16 wParamLength; -#endif - u8 bResultCode; - __le16 size; - struct { - u8 page, offset, value; - } __attribute__((packed)) data[]; -} __attribute__((packed)); - - -#endif /* #ifndef __i1480_DFU_H__ */ diff --git a/drivers/uwb/i1480/dfu/mac.c b/drivers/uwb/i1480/dfu/mac.c deleted file mode 100644 index ddc224f01a7f..000000000000 --- a/drivers/uwb/i1480/dfu/mac.c +++ /dev/null @@ -1,496 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Intel Wireless UWB Link 1480 - * MAC Firmware upload implementation - * - * Copyright (C) 2005-2006 Intel Corporation - * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> - * - * Implementation of the code for parsing the firmware file (extract - * the headers and binary code chunks) in the fw_*() functions. The - * code to upload pre and mac firmwares is the same, so it uses a - * common entry point in __mac_fw_upload(), which uses the i1480 - * function pointers to push the firmware to the device. - */ -#include <linux/delay.h> -#include <linux/firmware.h> -#include <linux/slab.h> -#include <linux/uwb.h> -#include "i1480-dfu.h" - -/* - * Descriptor for a continuous segment of MAC fw data - */ -struct fw_hdr { - unsigned long address; - size_t length; - const u32 *bin; - struct fw_hdr *next; -}; - - -/* Free a chain of firmware headers */ -static -void fw_hdrs_free(struct fw_hdr *hdr) -{ - struct fw_hdr *next; - - while (hdr) { - next = hdr->next; - kfree(hdr); - hdr = next; - } -} - - -/* Fill a firmware header descriptor from a memory buffer */ -static -int fw_hdr_load(struct i1480 *i1480, struct fw_hdr *hdr, unsigned hdr_cnt, - const char *_data, const u32 *data_itr, const u32 *data_top) -{ - size_t hdr_offset = (const char *) data_itr - _data; - size_t remaining_size = (void *) data_top - (void *) data_itr; - if (data_itr + 2 > data_top) { - dev_err(i1480->dev, "fw hdr #%u/%zu: EOF reached in header at " - "offset %zu, limit %zu\n", - hdr_cnt, hdr_offset, - (const char *) data_itr + 2 - _data, - (const char *) data_top - _data); - return -EINVAL; - } - hdr->next = NULL; - hdr->address = le32_to_cpu(*data_itr++); - hdr->length = le32_to_cpu(*data_itr++); - hdr->bin = data_itr; - if (hdr->length > remaining_size) { - dev_err(i1480->dev, "fw hdr #%u/%zu: EOF reached in data; " - "chunk too long (%zu bytes), only %zu left\n", - hdr_cnt, hdr_offset, hdr->length, remaining_size); - return -EINVAL; - } - return 0; -} - - -/** - * Get a buffer where the firmware is supposed to be and create a - * chain of headers linking them together. - * - * @phdr: where to place the pointer to the first header (headers link - * to the next via the @hdr->next ptr); need to free the whole - * chain when done. - * - * @_data: Pointer to the data buffer. - * - * @_data_size: Size of the data buffer (bytes); data size has to be a - * multiple of 4. Function will fail if not. - * - * Goes over the whole binary blob; reads the first chunk and creates - * a fw hdr from it (which points to where the data is in @_data and - * the length of the chunk); then goes on to the next chunk until - * done. Each header is linked to the next. - */ -static -int fw_hdrs_load(struct i1480 *i1480, struct fw_hdr **phdr, - const char *_data, size_t data_size) -{ - int result; - unsigned hdr_cnt = 0; - u32 *data = (u32 *) _data, *data_itr, *data_top; - struct fw_hdr *hdr, **prev_hdr = phdr; - - result = -EINVAL; - /* Check size is ok and pointer is aligned */ - if (data_size % sizeof(u32) != 0) - goto error; - if ((unsigned long) _data % sizeof(u16) != 0) - goto error; - *phdr = NULL; - data_itr = data; - data_top = (u32 *) (_data + data_size); - while (data_itr < data_top) { - result = -ENOMEM; - hdr = kmalloc(sizeof(*hdr), GFP_KERNEL); - if (hdr == NULL) { - dev_err(i1480->dev, "Cannot allocate fw header " - "for chunk #%u\n", hdr_cnt); - goto error_alloc; - } - result = fw_hdr_load(i1480, hdr, hdr_cnt, - _data, data_itr, data_top); - if (result < 0) - goto error_load; - data_itr += 2 + hdr->length; - *prev_hdr = hdr; - prev_hdr = &hdr->next; - hdr_cnt++; - }; - *prev_hdr = NULL; - return 0; - -error_load: - kfree(hdr); -error_alloc: - fw_hdrs_free(*phdr); -error: - return result; -} - - -/** - * Compares a chunk of fw with one in the devices's memory - * - * @i1480: Device instance - * @hdr: Pointer to the firmware chunk - * @returns: 0 if equal, < 0 errno on error. If > 0, it is the offset - * where the difference was found (plus one). - * - * Kind of dirty and simplistic, but does the trick in both the PCI - * and USB version. We do a quick[er] memcmp(), and if it fails, we do - * a byte-by-byte to find the offset. - */ -static -ssize_t i1480_fw_cmp(struct i1480 *i1480, struct fw_hdr *hdr) -{ - ssize_t result = 0; - u32 src_itr = 0, cnt; - size_t size = hdr->length*sizeof(hdr->bin[0]); - size_t chunk_size; - u8 *bin = (u8 *) hdr->bin; - - while (size > 0) { - chunk_size = size < i1480->buf_size ? size : i1480->buf_size; - result = i1480->read(i1480, hdr->address + src_itr, chunk_size); - if (result < 0) { - dev_err(i1480->dev, "error reading for verification: " - "%zd\n", result); - goto error; - } - if (memcmp(i1480->cmd_buf, bin + src_itr, result)) { - u8 *buf = i1480->cmd_buf; - for (cnt = 0; cnt < result; cnt++) - if (bin[src_itr + cnt] != buf[cnt]) { - dev_err(i1480->dev, "byte failed at " - "src_itr %u cnt %u [0x%02x " - "vs 0x%02x]\n", src_itr, cnt, - bin[src_itr + cnt], buf[cnt]); - result = src_itr + cnt + 1; - goto cmp_failed; - } - } - src_itr += result; - size -= result; - } - result = 0; -error: -cmp_failed: - return result; -} - - -/** - * Writes firmware headers to the device. - * - * @prd: PRD instance - * @hdr: Processed firmware - * @returns: 0 if ok, < 0 errno on error. - */ -static -int mac_fw_hdrs_push(struct i1480 *i1480, struct fw_hdr *hdr, - const char *fw_name, const char *fw_tag) -{ - struct device *dev = i1480->dev; - ssize_t result = 0; - struct fw_hdr *hdr_itr; - int verif_retry_count; - - /* Now, header by header, push them to the hw */ - for (hdr_itr = hdr; hdr_itr != NULL; hdr_itr = hdr_itr->next) { - verif_retry_count = 0; -retry: - dev_dbg(dev, "fw chunk (%zu @ 0x%08lx)\n", - hdr_itr->length * sizeof(hdr_itr->bin[0]), - hdr_itr->address); - result = i1480->write(i1480, hdr_itr->address, hdr_itr->bin, - hdr_itr->length*sizeof(hdr_itr->bin[0])); - if (result < 0) { - dev_err(dev, "%s fw '%s': write failed (%zuB @ 0x%lx):" - " %zd\n", fw_tag, fw_name, - hdr_itr->length * sizeof(hdr_itr->bin[0]), - hdr_itr->address, result); - break; - } - result = i1480_fw_cmp(i1480, hdr_itr); - if (result < 0) { - dev_err(dev, "%s fw '%s': verification read " - "failed (%zuB @ 0x%lx): %zd\n", - fw_tag, fw_name, - hdr_itr->length * sizeof(hdr_itr->bin[0]), - hdr_itr->address, result); - break; - } - if (result > 0) { /* Offset where it failed + 1 */ - result--; - dev_err(dev, "%s fw '%s': WARNING: verification " - "failed at 0x%lx: retrying\n", - fw_tag, fw_name, hdr_itr->address + result); - if (++verif_retry_count < 3) - goto retry; /* write this block again! */ - dev_err(dev, "%s fw '%s': verification failed at 0x%lx: " - "tried %d times\n", fw_tag, fw_name, - hdr_itr->address + result, verif_retry_count); - result = -EINVAL; - break; - } - } - return result; -} - - -/** Puts the device in firmware upload mode.*/ -static -int mac_fw_upload_enable(struct i1480 *i1480) -{ - int result; - u32 reg = 0x800000c0; - u32 *buffer = (u32 *)i1480->cmd_buf; - - if (i1480->hw_rev > 1) - reg = 0x8000d0d4; - result = i1480->read(i1480, reg, sizeof(u32)); - if (result < 0) - goto error_cmd; - *buffer &= ~i1480_FW_UPLOAD_MODE_MASK; - result = i1480->write(i1480, reg, buffer, sizeof(u32)); - if (result < 0) - goto error_cmd; - return 0; -error_cmd: - dev_err(i1480->dev, "can't enable fw upload mode: %d\n", result); - return result; -} - - -/** Gets the device out of firmware upload mode. */ -static -int mac_fw_upload_disable(struct i1480 *i1480) -{ - int result; - u32 reg = 0x800000c0; - u32 *buffer = (u32 *)i1480->cmd_buf; - - if (i1480->hw_rev > 1) - reg = 0x8000d0d4; - result = i1480->read(i1480, reg, sizeof(u32)); - if (result < 0) - goto error_cmd; - *buffer |= i1480_FW_UPLOAD_MODE_MASK; - result = i1480->write(i1480, reg, buffer, sizeof(u32)); - if (result < 0) - goto error_cmd; - return 0; -error_cmd: - dev_err(i1480->dev, "can't disable fw upload mode: %d\n", result); - return result; -} - - - -/** - * Generic function for uploading a MAC firmware. - * - * @i1480: Device instance - * @fw_name: Name of firmware file to upload. - * @fw_tag: Name of the firmware type (for messages) - * [eg: MAC, PRE] - * @do_wait: Wait for device to emit initialization done message (0 - * for PRE fws, 1 for MAC fws). - * @returns: 0 if ok, < 0 errno on error. - */ -static -int __mac_fw_upload(struct i1480 *i1480, const char *fw_name, - const char *fw_tag) -{ - int result; - const struct firmware *fw; - struct fw_hdr *fw_hdrs; - - result = request_firmware(&fw, fw_name, i1480->dev); - if (result < 0) /* Up to caller to complain on -ENOENT */ - goto out; - result = fw_hdrs_load(i1480, &fw_hdrs, fw->data, fw->size); - if (result < 0) { - dev_err(i1480->dev, "%s fw '%s': failed to parse firmware " - "file: %d\n", fw_tag, fw_name, result); - goto out_release; - } - result = mac_fw_upload_enable(i1480); - if (result < 0) - goto out_hdrs_release; - result = mac_fw_hdrs_push(i1480, fw_hdrs, fw_name, fw_tag); - mac_fw_upload_disable(i1480); -out_hdrs_release: - if (result >= 0) - dev_info(i1480->dev, "%s fw '%s': uploaded\n", fw_tag, fw_name); - else - dev_err(i1480->dev, "%s fw '%s': failed to upload (%d), " - "power cycle device\n", fw_tag, fw_name, result); - fw_hdrs_free(fw_hdrs); -out_release: - release_firmware(fw); -out: - return result; -} - - -/** - * Upload a pre-PHY firmware - * - */ -int i1480_pre_fw_upload(struct i1480 *i1480) -{ - int result; - result = __mac_fw_upload(i1480, i1480->pre_fw_name, "PRE"); - if (result == 0) - msleep(400); - return result; -} - - -/** - * Reset a the MAC and PHY - * - * @i1480: Device's instance - * @returns: 0 if ok, < 0 errno code on error - * - * We put the command on kmalloc'ed memory as some arches cannot do - * USB from the stack. The reply event is copied from an stage buffer, - * so it can be in the stack. See WUSB1.0[8.6.2.4] for more details. - * - * We issue the reset to make sure the UWB controller reinits the PHY; - * this way we can now if the PHY init went ok. - */ -static -int i1480_cmd_reset(struct i1480 *i1480) -{ - int result; - struct uwb_rccb *cmd = (void *) i1480->cmd_buf; - struct i1480_evt_reset { - struct uwb_rceb rceb; - u8 bResultCode; - } __attribute__((packed)) *reply = (void *) i1480->evt_buf; - - result = -ENOMEM; - cmd->bCommandType = UWB_RC_CET_GENERAL; - cmd->wCommand = cpu_to_le16(UWB_RC_CMD_RESET); - reply->rceb.bEventType = UWB_RC_CET_GENERAL; - reply->rceb.wEvent = UWB_RC_CMD_RESET; - result = i1480_cmd(i1480, "RESET", sizeof(*cmd), sizeof(*reply)); - if (result < 0) - goto out; - if (reply->bResultCode != UWB_RC_RES_SUCCESS) { - dev_err(i1480->dev, "RESET: command execution failed: %u\n", - reply->bResultCode); - result = -EIO; - } -out: - return result; - -} - - -/* Wait for the MAC FW to start running */ -static -int i1480_fw_is_running_q(struct i1480 *i1480) -{ - int cnt = 0; - int result; - u32 *val = (u32 *) i1480->cmd_buf; - - for (cnt = 0; cnt < 10; cnt++) { - msleep(100); - result = i1480->read(i1480, 0x80080000, 4); - if (result < 0) { - dev_err(i1480->dev, "Can't read 0x8008000: %d\n", result); - goto out; - } - if (*val == 0x55555555UL) /* fw running? cool */ - goto out; - } - dev_err(i1480->dev, "Timed out waiting for fw to start\n"); - result = -ETIMEDOUT; -out: - return result; - -} - - -/** - * Upload MAC firmware, wait for it to start - * - * @i1480: Device instance - * @fw_name: Name of the file that contains the firmware - * - * This has to be called after the pre fw has been uploaded (if - * there is any). - */ -int i1480_mac_fw_upload(struct i1480 *i1480) -{ - int result = 0, deprecated_name = 0; - struct i1480_rceb *rcebe = (void *) i1480->evt_buf; - - result = __mac_fw_upload(i1480, i1480->mac_fw_name, "MAC"); - if (result == -ENOENT) { - result = __mac_fw_upload(i1480, i1480->mac_fw_name_deprecate, - "MAC"); - deprecated_name = 1; - } - if (result < 0) - return result; - if (deprecated_name == 1) - dev_warn(i1480->dev, - "WARNING: firmware file name %s is deprecated, " - "please rename to %s\n", - i1480->mac_fw_name_deprecate, i1480->mac_fw_name); - result = i1480_fw_is_running_q(i1480); - if (result < 0) - goto error_fw_not_running; - result = i1480->rc_setup ? i1480->rc_setup(i1480) : 0; - if (result < 0) { - dev_err(i1480->dev, "Cannot setup after MAC fw upload: %d\n", - result); - goto error_setup; - } - result = i1480->wait_init_done(i1480); /* wait init'on */ - if (result < 0) { - dev_err(i1480->dev, "MAC fw '%s': Initialization timed out " - "(%d)\n", i1480->mac_fw_name, result); - goto error_init_timeout; - } - /* verify we got the right initialization done event */ - if (i1480->evt_result != sizeof(*rcebe)) { - dev_err(i1480->dev, "MAC fw '%s': initialization event returns " - "wrong size (%zu bytes vs %zu needed)\n", - i1480->mac_fw_name, i1480->evt_result, sizeof(*rcebe)); - goto error_size; - } - result = -EIO; - if (i1480_rceb_check(i1480, &rcebe->rceb, NULL, 0, i1480_CET_VS1, - i1480_EVT_RM_INIT_DONE) < 0) { - dev_err(i1480->dev, "wrong initialization event 0x%02x/%04x/%02x " - "received; expected 0x%02x/%04x/00\n", - rcebe->rceb.bEventType, le16_to_cpu(rcebe->rceb.wEvent), - rcebe->rceb.bEventContext, i1480_CET_VS1, - i1480_EVT_RM_INIT_DONE); - goto error_init_timeout; - } - result = i1480_cmd_reset(i1480); - if (result < 0) - dev_err(i1480->dev, "MAC fw '%s': MBOA reset failed (%d)\n", - i1480->mac_fw_name, result); -error_fw_not_running: -error_init_timeout: -error_size: -error_setup: - return result; -} diff --git a/drivers/uwb/i1480/dfu/phy.c b/drivers/uwb/i1480/dfu/phy.c deleted file mode 100644 index 50da4527c113..000000000000 --- a/drivers/uwb/i1480/dfu/phy.c +++ /dev/null @@ -1,190 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Intel Wireless UWB Link 1480 - * PHY parameters upload - * - * Copyright (C) 2005-2006 Intel Corporation - * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> - * - * Code for uploading the PHY parameters to the PHY through the UWB - * Radio Control interface. - * - * We just send the data through the MPI interface using HWA-like - * commands and then reset the PHY to make sure it is ok. - */ -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/firmware.h> -#include <linux/usb/wusb.h> -#include "i1480-dfu.h" - - -/** - * Write a value array to an address of the MPI interface - * - * @i1480: Device descriptor - * @data: Data array to write - * @size: Size of the data array - * @returns: 0 if ok, < 0 errno code on error. - * - * The data array is organized into pairs: - * - * ADDRESS VALUE - * - * ADDRESS is BE 16 bit unsigned, VALUE 8 bit unsigned. Size thus has - * to be a multiple of three. - */ -static -int i1480_mpi_write(struct i1480 *i1480, const void *data, size_t size) -{ - int result; - struct i1480_cmd_mpi_write *cmd = i1480->cmd_buf; - struct i1480_evt_confirm *reply = i1480->evt_buf; - - BUG_ON(size > 480); - result = -ENOMEM; - cmd->rccb.bCommandType = i1480_CET_VS1; - cmd->rccb.wCommand = cpu_to_le16(i1480_CMD_MPI_WRITE); - cmd->size = cpu_to_le16(size); - memcpy(cmd->data, data, size); - reply->rceb.bEventType = i1480_CET_VS1; - reply->rceb.wEvent = i1480_CMD_MPI_WRITE; - result = i1480_cmd(i1480, "MPI-WRITE", sizeof(*cmd) + size, sizeof(*reply)); - if (result < 0) - goto out; - if (reply->bResultCode != UWB_RC_RES_SUCCESS) { - dev_err(i1480->dev, "MPI-WRITE: command execution failed: %d\n", - reply->bResultCode); - result = -EIO; - } -out: - return result; -} - - -/** - * Read a value array to from an address of the MPI interface - * - * @i1480: Device descriptor - * @data: where to place the read array - * @srcaddr: Where to read from - * @size: Size of the data read array - * @returns: 0 if ok, < 0 errno code on error. - * - * The command data array is organized into pairs ADDR0 ADDR1..., and - * the returned data in ADDR0 VALUE0 ADDR1 VALUE1... - * - * We generate the command array to be a sequential read and then - * rearrange the result. - * - * We use the i1480->cmd_buf for the command, i1480->evt_buf for the reply. - * - * As the reply has to fit in 512 bytes (i1480->evt_buffer), the max amount - * of values we can read is (512 - sizeof(*reply)) / 3 - */ -static -int i1480_mpi_read(struct i1480 *i1480, u8 *data, u16 srcaddr, size_t size) -{ - int result; - struct i1480_cmd_mpi_read *cmd = i1480->cmd_buf; - struct i1480_evt_mpi_read *reply = i1480->evt_buf; - unsigned cnt; - - memset(i1480->cmd_buf, 0x69, 512); - memset(i1480->evt_buf, 0x69, 512); - - BUG_ON(size > (i1480->buf_size - sizeof(*reply)) / 3); - result = -ENOMEM; - cmd->rccb.bCommandType = i1480_CET_VS1; - cmd->rccb.wCommand = cpu_to_le16(i1480_CMD_MPI_READ); - cmd->size = cpu_to_le16(3*size); - for (cnt = 0; cnt < size; cnt++) { - cmd->data[cnt].page = (srcaddr + cnt) >> 8; - cmd->data[cnt].offset = (srcaddr + cnt) & 0xff; - } - reply->rceb.bEventType = i1480_CET_VS1; - reply->rceb.wEvent = i1480_CMD_MPI_READ; - result = i1480_cmd(i1480, "MPI-READ", sizeof(*cmd) + 2*size, - sizeof(*reply) + 3*size); - if (result < 0) - goto out; - if (reply->bResultCode != UWB_RC_RES_SUCCESS) { - dev_err(i1480->dev, "MPI-READ: command execution failed: %d\n", - reply->bResultCode); - result = -EIO; - goto out; - } - for (cnt = 0; cnt < size; cnt++) { - if (reply->data[cnt].page != (srcaddr + cnt) >> 8) - dev_err(i1480->dev, "MPI-READ: page inconsistency at " - "index %u: expected 0x%02x, got 0x%02x\n", cnt, - (srcaddr + cnt) >> 8, reply->data[cnt].page); - if (reply->data[cnt].offset != ((srcaddr + cnt) & 0x00ff)) - dev_err(i1480->dev, "MPI-READ: offset inconsistency at " - "index %u: expected 0x%02x, got 0x%02x\n", cnt, - (srcaddr + cnt) & 0x00ff, - reply->data[cnt].offset); - data[cnt] = reply->data[cnt].value; - } - result = 0; -out: - return result; -} - - -/** - * Upload a PHY firmware, wait for it to start - * - * @i1480: Device instance - * @fw_name: Name of the file that contains the firmware - * - * We assume the MAC fw is up and running. This means we can use the - * MPI interface to write the PHY firmware. Once done, we issue an - * MBOA Reset, which will force the MAC to reset and reinitialize the - * PHY. If that works, we are ready to go. - * - * Max packet size for the MPI write is 512, so the max buffer is 480 - * (which gives us 160 byte triads of MSB, LSB and VAL for the data). - */ -int i1480_phy_fw_upload(struct i1480 *i1480) -{ - int result; - const struct firmware *fw; - const char *data_itr, *data_top; - const size_t MAX_BLK_SIZE = 480; /* 160 triads */ - size_t data_size; - u8 phy_stat; - - result = request_firmware(&fw, i1480->phy_fw_name, i1480->dev); - if (result < 0) - goto out; - /* Loop writing data in chunks as big as possible until done. */ - for (data_itr = fw->data, data_top = data_itr + fw->size; - data_itr < data_top; data_itr += MAX_BLK_SIZE) { - data_size = min(MAX_BLK_SIZE, (size_t) (data_top - data_itr)); - result = i1480_mpi_write(i1480, data_itr, data_size); - if (result < 0) - goto error_mpi_write; - } - /* Read MPI page 0, offset 6; if 0, PHY was initialized correctly. */ - result = i1480_mpi_read(i1480, &phy_stat, 0x0006, 1); - if (result < 0) { - dev_err(i1480->dev, "PHY: can't get status: %d\n", result); - goto error_mpi_status; - } - if (phy_stat != 0) { - result = -ENODEV; - dev_info(i1480->dev, "error, PHY not ready: %u\n", phy_stat); - goto error_phy_status; - } - dev_info(i1480->dev, "PHY fw '%s': uploaded\n", i1480->phy_fw_name); -error_phy_status: -error_mpi_status: -error_mpi_write: - release_firmware(fw); - if (result < 0) - dev_err(i1480->dev, "PHY fw '%s': failed to upload (%d), " - "power cycle device\n", i1480->phy_fw_name, result); -out: - return result; -} diff --git a/drivers/uwb/i1480/dfu/usb.c b/drivers/uwb/i1480/dfu/usb.c deleted file mode 100644 index 6129a8f4b5f2..000000000000 --- a/drivers/uwb/i1480/dfu/usb.c +++ /dev/null @@ -1,448 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Intel Wireless UWB Link 1480 - * USB SKU firmware upload implementation - * - * Copyright (C) 2005-2006 Intel Corporation - * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> - * - * This driver will prepare the i1480 device to behave as a real - * Wireless USB HWA adaptor by uploading the firmware. - * - * When the device is connected or driver is loaded, i1480_usb_probe() - * is called--this will allocate and initialize the device structure, - * fill in the pointers to the common functions (read, write, - * wait_init_done and cmd for HWA command execution) and once that is - * done, call the common firmware uploading routine. Then clean up and - * return -ENODEV, as we don't attach to the device. - * - * The rest are the basic ops we implement that the fw upload code - * uses to do its job. All the ops in the common code are i1480->NAME, - * the functions are i1480_usb_NAME(). - */ -#include <linux/module.h> -#include <linux/usb.h> -#include <linux/interrupt.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/uwb.h> -#include <linux/usb/wusb.h> -#include <linux/usb/wusb-wa.h> -#include "i1480-dfu.h" - -struct i1480_usb { - struct i1480 i1480; - struct usb_device *usb_dev; - struct usb_interface *usb_iface; - struct urb *neep_urb; /* URB for reading from EP1 */ -}; - - -static -void i1480_usb_init(struct i1480_usb *i1480_usb) -{ - i1480_init(&i1480_usb->i1480); -} - - -static -int i1480_usb_create(struct i1480_usb *i1480_usb, struct usb_interface *iface) -{ - struct usb_device *usb_dev = interface_to_usbdev(iface); - int result = -ENOMEM; - - i1480_usb->usb_dev = usb_get_dev(usb_dev); /* bind the USB device */ - i1480_usb->usb_iface = usb_get_intf(iface); - usb_set_intfdata(iface, i1480_usb); /* Bind the driver to iface0 */ - i1480_usb->neep_urb = usb_alloc_urb(0, GFP_KERNEL); - if (i1480_usb->neep_urb == NULL) - goto error; - return 0; - -error: - usb_set_intfdata(iface, NULL); - usb_put_intf(iface); - usb_put_dev(usb_dev); - return result; -} - - -static -void i1480_usb_destroy(struct i1480_usb *i1480_usb) -{ - usb_kill_urb(i1480_usb->neep_urb); - usb_free_urb(i1480_usb->neep_urb); - usb_set_intfdata(i1480_usb->usb_iface, NULL); - usb_put_intf(i1480_usb->usb_iface); - usb_put_dev(i1480_usb->usb_dev); -} - - -/** - * Write a buffer to a memory address in the i1480 device - * - * @i1480: i1480 instance - * @memory_address: - * Address where to write the data buffer to. - * @buffer: Buffer to the data - * @size: Size of the buffer [has to be < 512]. - * @returns: 0 if ok, < 0 errno code on error. - * - * Data buffers to USB cannot be on the stack or in vmalloc'ed areas, - * so we copy it to the local i1480 buffer before proceeding. In any - * case, we have a max size we can send. - */ -static -int i1480_usb_write(struct i1480 *i1480, u32 memory_address, - const void *buffer, size_t size) -{ - int result = 0; - struct i1480_usb *i1480_usb = container_of(i1480, struct i1480_usb, i1480); - size_t buffer_size, itr = 0; - - BUG_ON(size & 0x3); /* Needs to be a multiple of 4 */ - while (size > 0) { - buffer_size = size < i1480->buf_size ? size : i1480->buf_size; - memcpy(i1480->cmd_buf, buffer + itr, buffer_size); - result = usb_control_msg( - i1480_usb->usb_dev, usb_sndctrlpipe(i1480_usb->usb_dev, 0), - 0xf0, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - memory_address, (memory_address >> 16), - i1480->cmd_buf, buffer_size, 100 /* FIXME: arbitrary */); - if (result < 0) - break; - itr += result; - memory_address += result; - size -= result; - } - return result; -} - - -/** - * Read a block [max size 512] of the device's memory to @i1480's buffer. - * - * @i1480: i1480 instance - * @memory_address: - * Address where to read from. - * @size: Size to read. Smaller than or equal to 512. - * @returns: >= 0 number of bytes written if ok, < 0 errno code on error. - * - * NOTE: if the memory address or block is incorrect, you might get a - * stall or a different memory read. Caller has to verify the - * memory address and size passed back in the @neh structure. - */ -static -int i1480_usb_read(struct i1480 *i1480, u32 addr, size_t size) -{ - ssize_t result = 0, bytes = 0; - size_t itr, read_size = i1480->buf_size; - struct i1480_usb *i1480_usb = container_of(i1480, struct i1480_usb, i1480); - - BUG_ON(size > i1480->buf_size); - BUG_ON(size & 0x3); /* Needs to be a multiple of 4 */ - BUG_ON(read_size > 512); - - if (addr >= 0x8000d200 && addr < 0x8000d400) /* Yeah, HW quirk */ - read_size = 4; - - for (itr = 0; itr < size; itr += read_size) { - size_t itr_addr = addr + itr; - size_t itr_size = min(read_size, size - itr); - result = usb_control_msg( - i1480_usb->usb_dev, usb_rcvctrlpipe(i1480_usb->usb_dev, 0), - 0xf0, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - itr_addr, (itr_addr >> 16), - i1480->cmd_buf + itr, itr_size, - 100 /* FIXME: arbitrary */); - if (result < 0) { - dev_err(i1480->dev, "%s: USB read error: %zd\n", - __func__, result); - goto out; - } - if (result != itr_size) { - result = -EIO; - dev_err(i1480->dev, - "%s: partial read got only %zu bytes vs %zu expected\n", - __func__, result, itr_size); - goto out; - } - bytes += result; - } - result = bytes; -out: - return result; -} - - -/** - * Callback for reads on the notification/event endpoint - * - * Just enables the completion read handler. - */ -static -void i1480_usb_neep_cb(struct urb *urb) -{ - struct i1480 *i1480 = urb->context; - struct device *dev = i1480->dev; - - switch (urb->status) { - case 0: - break; - case -ECONNRESET: /* Not an error, but a controlled situation; */ - case -ENOENT: /* (we killed the URB)...so, no broadcast */ - dev_dbg(dev, "NEEP: reset/noent %d\n", urb->status); - break; - case -ESHUTDOWN: /* going away! */ - dev_dbg(dev, "NEEP: down %d\n", urb->status); - break; - default: - dev_err(dev, "NEEP: unknown status %d\n", urb->status); - break; - } - i1480->evt_result = urb->actual_length; - complete(&i1480->evt_complete); - return; -} - - -/** - * Wait for the MAC FW to initialize - * - * MAC FW sends a 0xfd/0101/00 notification to EP1 when done - * initializing. Get that notification into i1480->evt_buf; upper layer - * will verify it. - * - * Set i1480->evt_result with the result of getting the event or its - * size (if successful). - * - * Delivers the data directly to i1480->evt_buf - */ -static -int i1480_usb_wait_init_done(struct i1480 *i1480) -{ - int result; - struct device *dev = i1480->dev; - struct i1480_usb *i1480_usb = container_of(i1480, struct i1480_usb, i1480); - struct usb_endpoint_descriptor *epd; - - init_completion(&i1480->evt_complete); - i1480->evt_result = -EINPROGRESS; - epd = &i1480_usb->usb_iface->cur_altsetting->endpoint[0].desc; - usb_fill_int_urb(i1480_usb->neep_urb, i1480_usb->usb_dev, - usb_rcvintpipe(i1480_usb->usb_dev, epd->bEndpointAddress), - i1480->evt_buf, i1480->buf_size, - i1480_usb_neep_cb, i1480, epd->bInterval); - result = usb_submit_urb(i1480_usb->neep_urb, GFP_KERNEL); - if (result < 0) { - dev_err(dev, "init done: cannot submit NEEP read: %d\n", - result); - goto error_submit; - } - /* Wait for the USB callback to get the data */ - result = wait_for_completion_interruptible_timeout( - &i1480->evt_complete, HZ); - if (result <= 0) { - result = result == 0 ? -ETIMEDOUT : result; - goto error_wait; - } - usb_kill_urb(i1480_usb->neep_urb); - return 0; - -error_wait: - usb_kill_urb(i1480_usb->neep_urb); -error_submit: - i1480->evt_result = result; - return result; -} - - -/** - * Generic function for issuing commands to the i1480 - * - * @i1480: i1480 instance - * @cmd_name: Name of the command (for error messages) - * @cmd: Pointer to command buffer - * @cmd_size: Size of the command buffer - * @reply: Buffer for the reply event - * @reply_size: Expected size back (including RCEB); the reply buffer - * is assumed to be as big as this. - * @returns: >= 0 size of the returned event data if ok, - * < 0 errno code on error. - * - * Arms the NE handle, issues the command to the device and checks the - * basics of the reply event. - */ -static -int i1480_usb_cmd(struct i1480 *i1480, const char *cmd_name, size_t cmd_size) -{ - int result; - struct device *dev = i1480->dev; - struct i1480_usb *i1480_usb = container_of(i1480, struct i1480_usb, i1480); - struct usb_endpoint_descriptor *epd; - struct uwb_rccb *cmd = i1480->cmd_buf; - u8 iface_no; - - /* Post a read on the notification & event endpoint */ - iface_no = i1480_usb->usb_iface->cur_altsetting->desc.bInterfaceNumber; - epd = &i1480_usb->usb_iface->cur_altsetting->endpoint[0].desc; - usb_fill_int_urb( - i1480_usb->neep_urb, i1480_usb->usb_dev, - usb_rcvintpipe(i1480_usb->usb_dev, epd->bEndpointAddress), - i1480->evt_buf, i1480->buf_size, - i1480_usb_neep_cb, i1480, epd->bInterval); - result = usb_submit_urb(i1480_usb->neep_urb, GFP_KERNEL); - if (result < 0) { - dev_err(dev, "%s: cannot submit NEEP read: %d\n", - cmd_name, result); - goto error_submit_ep1; - } - /* Now post the command on EP0 */ - result = usb_control_msg( - i1480_usb->usb_dev, usb_sndctrlpipe(i1480_usb->usb_dev, 0), - WA_EXEC_RC_CMD, - USB_DIR_OUT | USB_RECIP_INTERFACE | USB_TYPE_CLASS, - 0, iface_no, - cmd, cmd_size, - 100 /* FIXME: this is totally arbitrary */); - if (result < 0) { - dev_err(dev, "%s: control request failed: %d\n", - cmd_name, result); - goto error_submit_ep0; - } - return result; - -error_submit_ep0: - usb_kill_urb(i1480_usb->neep_urb); -error_submit_ep1: - return result; -} - - -/* - * Probe a i1480 device for uploading firmware. - * - * We attach only to interface #0, which is the radio control interface. - */ -static -int i1480_usb_probe(struct usb_interface *iface, const struct usb_device_id *id) -{ - struct usb_device *udev = interface_to_usbdev(iface); - struct i1480_usb *i1480_usb; - struct i1480 *i1480; - struct device *dev = &iface->dev; - int result; - - result = -ENODEV; - if (iface->cur_altsetting->desc.bInterfaceNumber != 0) { - dev_dbg(dev, "not attaching to iface %d\n", - iface->cur_altsetting->desc.bInterfaceNumber); - goto error; - } - if (iface->num_altsetting > 1 && - le16_to_cpu(udev->descriptor.idProduct) == 0xbabe) { - /* Need altsetting #1 [HW QUIRK] or EP1 won't work */ - result = usb_set_interface(interface_to_usbdev(iface), 0, 1); - if (result < 0) - dev_warn(dev, - "can't set altsetting 1 on iface 0: %d\n", - result); - } - - if (iface->cur_altsetting->desc.bNumEndpoints < 1) - return -ENODEV; - - result = -ENOMEM; - i1480_usb = kzalloc(sizeof(*i1480_usb), GFP_KERNEL); - if (i1480_usb == NULL) { - dev_err(dev, "Unable to allocate instance\n"); - goto error; - } - i1480_usb_init(i1480_usb); - - i1480 = &i1480_usb->i1480; - i1480->buf_size = 512; - i1480->cmd_buf = kmalloc_array(2, i1480->buf_size, GFP_KERNEL); - if (i1480->cmd_buf == NULL) { - dev_err(dev, "Cannot allocate transfer buffers\n"); - result = -ENOMEM; - goto error_buf_alloc; - } - i1480->evt_buf = i1480->cmd_buf + i1480->buf_size; - - result = i1480_usb_create(i1480_usb, iface); - if (result < 0) { - dev_err(dev, "Cannot create instance: %d\n", result); - goto error_create; - } - - /* setup the fops and upload the firmware */ - i1480->pre_fw_name = "i1480-pre-phy-0.0.bin"; - i1480->mac_fw_name = "i1480-usb-0.0.bin"; - i1480->mac_fw_name_deprecate = "ptc-0.0.bin"; - i1480->phy_fw_name = "i1480-phy-0.0.bin"; - i1480->dev = &iface->dev; - i1480->write = i1480_usb_write; - i1480->read = i1480_usb_read; - i1480->rc_setup = NULL; - i1480->wait_init_done = i1480_usb_wait_init_done; - i1480->cmd = i1480_usb_cmd; - - result = i1480_fw_upload(&i1480_usb->i1480); /* the real thing */ - if (result >= 0) { - usb_reset_device(i1480_usb->usb_dev); - result = -ENODEV; /* we don't want to bind to the iface */ - } - i1480_usb_destroy(i1480_usb); -error_create: - kfree(i1480->cmd_buf); -error_buf_alloc: - kfree(i1480_usb); -error: - return result; -} - -MODULE_FIRMWARE("i1480-pre-phy-0.0.bin"); -MODULE_FIRMWARE("i1480-usb-0.0.bin"); -MODULE_FIRMWARE("i1480-phy-0.0.bin"); - -#define i1480_USB_DEV(v, p) \ -{ \ - .match_flags = USB_DEVICE_ID_MATCH_DEVICE \ - | USB_DEVICE_ID_MATCH_DEV_INFO \ - | USB_DEVICE_ID_MATCH_INT_INFO, \ - .idVendor = (v), \ - .idProduct = (p), \ - .bDeviceClass = 0xff, \ - .bDeviceSubClass = 0xff, \ - .bDeviceProtocol = 0xff, \ - .bInterfaceClass = 0xff, \ - .bInterfaceSubClass = 0xff, \ - .bInterfaceProtocol = 0xff, \ -} - - -/** USB device ID's that we handle */ -static const struct usb_device_id i1480_usb_id_table[] = { - i1480_USB_DEV(0x8086, 0xdf3b), - i1480_USB_DEV(0x15a9, 0x0005), - i1480_USB_DEV(0x07d1, 0x3802), - i1480_USB_DEV(0x050d, 0x305a), - i1480_USB_DEV(0x3495, 0x3007), - {}, -}; -MODULE_DEVICE_TABLE(usb, i1480_usb_id_table); - - -static struct usb_driver i1480_dfu_driver = { - .name = "i1480-dfu-usb", - .id_table = i1480_usb_id_table, - .probe = i1480_usb_probe, - .disconnect = NULL, -}; - -module_usb_driver(i1480_dfu_driver); - -MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>"); -MODULE_DESCRIPTION("Intel Wireless UWB Link 1480 firmware uploader for USB"); -MODULE_LICENSE("GPL"); |