^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Linux driver for TerraTec DMX 6Fire USB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Firmware loader
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Author: Torsten Schenk <torsten.schenk@zoho.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Created: Jan 01, 2011
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Copyright: (C) Torsten Schenk
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/firmware.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/bitrev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "firmware.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "chip.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) MODULE_FIRMWARE("6fire/dmx6firel2.ihx");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) MODULE_FIRMWARE("6fire/dmx6fireap.ihx");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) MODULE_FIRMWARE("6fire/dmx6firecf.bin");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) FPGA_BUFSIZE = 512, FPGA_EP = 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * wMaxPacketSize of pcm endpoints.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * keep synced with rates_in_packet_size and rates_out_packet_size in pcm.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * fpp: frames per isopacket
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * CAUTION: keep sizeof <= buffer[] in usb6fire_fw_init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static const u8 ep_w_max_packet_size[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 0xe4, 0x00, 0xe4, 0x00, /* alt 1: 228 EP2 and EP6 (7 fpp) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 0xa4, 0x01, 0xa4, 0x01, /* alt 2: 420 EP2 and EP6 (13 fpp)*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 0x94, 0x01, 0x5c, 0x02 /* alt 3: 404 EP2 and 604 EP6 (25 fpp) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static const u8 known_fw_versions[][2] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) { 0x03, 0x01 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct ihex_record {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) u16 address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) u8 len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) u8 data[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) char error; /* true if an error occurred parsing this record */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) u8 max_len; /* maximum record length in whole ihex */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) /* private */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) const char *txt_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) unsigned int txt_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) unsigned int txt_offset; /* current position in txt_data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static u8 usb6fire_fw_ihex_hex(const u8 *data, u8 *crc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) u8 val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int hval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) hval = hex_to_bin(data[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (hval >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) val |= (hval << 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) hval = hex_to_bin(data[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) if (hval >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) val |= hval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) *crc += val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * returns true if record is available, false otherwise.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * iff an error occurred, false will be returned and record->error will be true.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) static bool usb6fire_fw_ihex_next_record(struct ihex_record *record)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) u8 crc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) u8 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) record->error = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) /* find begin of record (marked by a colon) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) while (record->txt_offset < record->txt_length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) && record->txt_data[record->txt_offset] != ':')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) record->txt_offset++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (record->txt_offset == record->txt_length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) /* number of characters needed for len, addr and type entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) record->txt_offset++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if (record->txt_offset + 8 > record->txt_length) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) record->error = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) record->len = usb6fire_fw_ihex_hex(record->txt_data +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) record->txt_offset, &crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) record->txt_offset += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) record->address = usb6fire_fw_ihex_hex(record->txt_data +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) record->txt_offset, &crc) << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) record->txt_offset += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) record->address |= usb6fire_fw_ihex_hex(record->txt_data +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) record->txt_offset, &crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) record->txt_offset += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) type = usb6fire_fw_ihex_hex(record->txt_data +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) record->txt_offset, &crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) record->txt_offset += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) /* number of characters needed for data and crc entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (record->txt_offset + 2 * (record->len + 1) > record->txt_length) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) record->error = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) for (i = 0; i < record->len; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) record->data[i] = usb6fire_fw_ihex_hex(record->txt_data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) + record->txt_offset, &crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) record->txt_offset += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) usb6fire_fw_ihex_hex(record->txt_data + record->txt_offset, &crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (crc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) record->error = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) if (type == 1 || !record->len) /* eof */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) else if (type == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) record->error = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) static int usb6fire_fw_ihex_init(const struct firmware *fw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) struct ihex_record *record)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) record->txt_data = fw->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) record->txt_length = fw->size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) record->txt_offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) record->max_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) /* read all records, if loop ends, record->error indicates,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) * whether ihex is valid. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) while (usb6fire_fw_ihex_next_record(record))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) record->max_len = max(record->len, record->max_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) if (record->error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) record->txt_offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static int usb6fire_fw_ezusb_write(struct usb_device *device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) int type, int value, char *data, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return usb_control_msg_send(device, 0, type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) value, 0, data, len, 1000, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) static int usb6fire_fw_ezusb_read(struct usb_device *device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) int type, int value, char *data, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) return usb_control_msg_recv(device, 0, type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) value, 0, data, len, 1000, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static int usb6fire_fw_fpga_write(struct usb_device *device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) char *data, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) int actual_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) ret = usb_bulk_msg(device, usb_sndbulkpipe(device, FPGA_EP), data, len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) &actual_len, 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) else if (actual_len != len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) static int usb6fire_fw_ezusb_upload(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) struct usb_interface *intf, const char *fwname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) unsigned int postaddr, u8 *postdata, unsigned int postlen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) u8 data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) struct usb_device *device = interface_to_usbdev(intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) const struct firmware *fw = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) struct ihex_record *rec = kmalloc(sizeof(struct ihex_record),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) if (!rec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) ret = request_firmware(&fw, fwname, &device->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) kfree(rec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) dev_err(&intf->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) "error requesting ezusb firmware %s.\n", fwname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) ret = usb6fire_fw_ihex_init(fw, rec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) kfree(rec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) dev_err(&intf->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) "error validating ezusb firmware %s.\n", fwname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) /* upload firmware image */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) data = 0x01; /* stop ezusb cpu */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) ret = usb6fire_fw_ezusb_write(device, 0xa0, 0xe600, &data, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) kfree(rec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) dev_err(&intf->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) "unable to upload ezusb firmware %s: begin message.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) fwname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) while (usb6fire_fw_ihex_next_record(rec)) { /* write firmware */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) ret = usb6fire_fw_ezusb_write(device, 0xa0, rec->address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) rec->data, rec->len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) kfree(rec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) dev_err(&intf->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) "unable to upload ezusb firmware %s: data urb.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) fwname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) kfree(rec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) if (postdata) { /* write data after firmware has been uploaded */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) ret = usb6fire_fw_ezusb_write(device, 0xa0, postaddr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) postdata, postlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) dev_err(&intf->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) "unable to upload ezusb firmware %s: post urb.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) fwname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) data = 0x00; /* resume ezusb cpu */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) ret = usb6fire_fw_ezusb_write(device, 0xa0, 0xe600, &data, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) dev_err(&intf->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) "unable to upload ezusb firmware %s: end message.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) fwname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) static int usb6fire_fw_fpga_upload(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) struct usb_interface *intf, const char *fwname)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) struct usb_device *device = interface_to_usbdev(intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) u8 *buffer = kmalloc(FPGA_BUFSIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) const char *c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) const char *end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) const struct firmware *fw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) if (!buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) ret = request_firmware(&fw, fwname, &device->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) dev_err(&intf->dev, "unable to get fpga firmware %s.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) fwname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) c = fw->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) end = fw->data + fw->size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) ret = usb6fire_fw_ezusb_write(device, 8, 0, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) dev_err(&intf->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) "unable to upload fpga firmware: begin urb.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) while (c != end) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) for (i = 0; c != end && i < FPGA_BUFSIZE; i++, c++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) buffer[i] = bitrev8((u8)*c);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) ret = usb6fire_fw_fpga_write(device, buffer, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) dev_err(&intf->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) "unable to upload fpga firmware: fw urb.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) ret = usb6fire_fw_ezusb_write(device, 9, 0, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) dev_err(&intf->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) "unable to upload fpga firmware: end urb.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) /* check, if the firmware version the devices has currently loaded
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) * is known by this driver. 'version' needs to have 4 bytes version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) * info data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) static int usb6fire_fw_check(struct usb_interface *intf, const u8 *version)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) for (i = 0; i < ARRAY_SIZE(known_fw_versions); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) if (!memcmp(version, known_fw_versions + i, 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) dev_err(&intf->dev, "invalid firmware version in device: %4ph. "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) "please reconnect to power. if this failure "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) "still happens, check your firmware installation.",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) version);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) int usb6fire_fw_init(struct usb_interface *intf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) struct usb_device *device = interface_to_usbdev(intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) /* buffer: 8 receiving bytes from device and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) * sizeof(EP_W_MAX_PACKET_SIZE) bytes for non-const copy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) u8 buffer[12];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) ret = usb6fire_fw_ezusb_read(device, 1, 0, buffer, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) dev_err(&intf->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) "unable to receive device firmware state.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) if (buffer[0] != 0xeb || buffer[1] != 0xaa || buffer[2] != 0x55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) dev_err(&intf->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) "unknown device firmware state received from device:");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) for (i = 0; i < 8; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) printk(KERN_CONT "%02x ", buffer[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) printk(KERN_CONT "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) /* do we need fpga loader ezusb firmware? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) if (buffer[3] == 0x01) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) ret = usb6fire_fw_ezusb_upload(intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) "6fire/dmx6firel2.ihx", 0, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) return FW_NOT_READY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) /* do we need fpga firmware and application ezusb firmware? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) else if (buffer[3] == 0x02) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) ret = usb6fire_fw_check(intf, buffer + 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) ret = usb6fire_fw_fpga_upload(intf, "6fire/dmx6firecf.bin");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) memcpy(buffer, ep_w_max_packet_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) sizeof(ep_w_max_packet_size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) ret = usb6fire_fw_ezusb_upload(intf, "6fire/dmx6fireap.ihx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 0x0003, buffer, sizeof(ep_w_max_packet_size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) return FW_NOT_READY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) /* all fw loaded? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) else if (buffer[3] == 0x03)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) return usb6fire_fw_check(intf, buffer + 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) /* unknown data? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) dev_err(&intf->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) "unknown device firmware state received from device: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) for (i = 0; i < 8; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) printk(KERN_CONT "%02x ", buffer[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) printk(KERN_CONT "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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