^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * cxacru.c - driver for USB ADSL modems based on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Conexant AccessRunner chipset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2004 David Woodhouse, Duncan Sands, Roman Kagan
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 2005 Duncan Sands, Roman Kagan (rkagan % mail ! ru)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright (C) 2007 Simon Arlott
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Copyright (C) 2009 Simon Arlott
^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) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * Credit is due for Josep Comas, who created the original patch to speedtch.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * to support the different padding used by the AccessRunner (now generalized
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * into usbatm), and the userspace firmware loading utility.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/timer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/firmware.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <asm/unaligned.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include "usbatm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define DRIVER_AUTHOR "Roman Kagan, David Woodhouse, Duncan Sands, Simon Arlott"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define DRIVER_DESC "Conexant AccessRunner ADSL USB modem driver"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static const char cxacru_driver_name[] = "cxacru";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define CXACRU_EP_CMD 0x01 /* Bulk/interrupt in/out */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define CXACRU_EP_DATA 0x02 /* Bulk in/out */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define CMD_PACKET_SIZE 64 /* Should be maxpacket(ep)? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define CMD_MAX_CONFIG ((CMD_PACKET_SIZE / 4 - 1) / 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) /* Addresses */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define PLLFCLK_ADDR 0x00350068
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define PLLBCLK_ADDR 0x0035006c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define SDRAMEN_ADDR 0x00350010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define FW_ADDR 0x00801000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define BR_ADDR 0x00180600
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define SIG_ADDR 0x00180500
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define BR_STACK_ADDR 0x00187f10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) /* Values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define SDRAM_ENA 0x1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define CMD_TIMEOUT 2000 /* msecs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define POLL_INTERVAL 1 /* secs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /* commands for interaction with the modem through the control channel before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * firmware is loaded */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) enum cxacru_fw_request {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) FW_CMD_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) FW_GET_VER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) FW_READ_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) FW_WRITE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) FW_RMW_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) FW_CHECKSUM_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) FW_GOTO_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) /* commands for interaction with the modem through the control channel once
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * firmware is loaded */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) enum cxacru_cm_request {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) CM_REQUEST_UNDEFINED = 0x80,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) CM_REQUEST_TEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) CM_REQUEST_CHIP_GET_MAC_ADDRESS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) CM_REQUEST_CHIP_GET_DP_VERSIONS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) CM_REQUEST_CHIP_ADSL_LINE_START,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) CM_REQUEST_CHIP_ADSL_LINE_STOP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) CM_REQUEST_CHIP_ADSL_LINE_GET_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) CM_REQUEST_CHIP_ADSL_LINE_GET_SPEED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) CM_REQUEST_CARD_INFO_GET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) CM_REQUEST_CARD_DATA_GET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) CM_REQUEST_CARD_DATA_SET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) CM_REQUEST_COMMAND_HW_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) CM_REQUEST_INTERFACE_HW_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) CM_REQUEST_CARD_SERIAL_DATA_PATH_GET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) CM_REQUEST_CARD_SERIAL_DATA_PATH_SET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) CM_REQUEST_CARD_CONTROLLER_VERSION_GET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) CM_REQUEST_CARD_GET_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) CM_REQUEST_CARD_GET_MAC_ADDRESS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) CM_REQUEST_CARD_GET_DATA_LINK_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) CM_REQUEST_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) /* commands for interaction with the flash memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) * read: response is the contents of the first 60 bytes of flash memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) * write: request contains the 60 bytes of data to write to flash memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) * response is the contents of the first 60 bytes of flash memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * layout: PP PP VV VV MM MM MM MM MM MM ?? ?? SS SS SS SS SS SS SS SS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * SS SS SS SS SS SS SS SS 00 00 00 00 00 00 00 00 00 00 00 00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * P: le16 USB Product ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * V: le16 USB Vendor ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * M: be48 MAC Address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) * S: le16 ASCII Serial Number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) enum cxacru_cm_flash {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) CM_FLASH_READ = 0xa1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) CM_FLASH_WRITE = 0xa2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) /* reply codes to the commands above */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) enum cxacru_cm_status {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) CM_STATUS_UNDEFINED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) CM_STATUS_SUCCESS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) CM_STATUS_ERROR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) CM_STATUS_UNSUPPORTED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) CM_STATUS_UNIMPLEMENTED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) CM_STATUS_PARAMETER_ERROR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) CM_STATUS_DBG_LOOPBACK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) CM_STATUS_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) /* indices into CARD_INFO_GET return array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) enum cxacru_info_idx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) CXINF_DOWNSTREAM_RATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) CXINF_UPSTREAM_RATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) CXINF_LINK_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) CXINF_LINE_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) CXINF_MAC_ADDRESS_HIGH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) CXINF_MAC_ADDRESS_LOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) CXINF_UPSTREAM_SNR_MARGIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) CXINF_DOWNSTREAM_SNR_MARGIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) CXINF_UPSTREAM_ATTENUATION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) CXINF_DOWNSTREAM_ATTENUATION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) CXINF_TRANSMITTER_POWER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) CXINF_UPSTREAM_BITS_PER_FRAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) CXINF_DOWNSTREAM_BITS_PER_FRAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) CXINF_STARTUP_ATTEMPTS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) CXINF_UPSTREAM_CRC_ERRORS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) CXINF_DOWNSTREAM_CRC_ERRORS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) CXINF_UPSTREAM_FEC_ERRORS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) CXINF_DOWNSTREAM_FEC_ERRORS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) CXINF_UPSTREAM_HEC_ERRORS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) CXINF_DOWNSTREAM_HEC_ERRORS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) CXINF_LINE_STARTABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) CXINF_MODULATION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) CXINF_ADSL_HEADEND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) CXINF_ADSL_HEADEND_ENVIRONMENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) CXINF_CONTROLLER_VERSION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) /* dunno what the missing two mean */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) CXINF_MAX = 0x1c,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) enum cxacru_poll_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) CXPOLL_STOPPING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) CXPOLL_STOPPED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) CXPOLL_POLLING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) CXPOLL_SHUTDOWN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) struct cxacru_modem_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) u32 pll_f_clk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) u32 pll_b_clk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) int boot_rom_patch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) struct cxacru_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) struct usbatm_data *usbatm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) const struct cxacru_modem_type *modem_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) int line_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct mutex adsl_state_serialize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) int adsl_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) struct delayed_work poll_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) u32 card_info[CXINF_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) struct mutex poll_state_serialize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) enum cxacru_poll_state poll_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) /* contol handles */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) struct mutex cm_serialize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) u8 *rcv_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) u8 *snd_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) struct urb *rcv_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) struct urb *snd_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) struct completion rcv_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) struct completion snd_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) u8 *wdata, int wsize, u8 *rdata, int rsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) static void cxacru_poll_status(struct work_struct *work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) /* Card info exported through sysfs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) #define CXACRU__ATTR_INIT(_name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static DEVICE_ATTR_RO(_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) #define CXACRU_CMD_INIT(_name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) static DEVICE_ATTR_RW(_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) #define CXACRU_SET_INIT(_name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) static DEVICE_ATTR_WO(_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) #define CXACRU_ATTR_INIT(_value, _type, _name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) static ssize_t _name##_show(struct device *dev, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) struct device_attribute *attr, char *buf) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) struct cxacru_data *instance = to_usbatm_driver_data(\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) to_usb_interface(dev)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if (instance == NULL) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return -ENODEV; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) return cxacru_sysfs_showattr_##_type(instance->card_info[_value], buf); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) CXACRU__ATTR_INIT(_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) #define CXACRU_ATTR_CREATE(_v, _t, _name) CXACRU_DEVICE_CREATE_FILE(_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) #define CXACRU_CMD_CREATE(_name) CXACRU_DEVICE_CREATE_FILE(_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) #define CXACRU_SET_CREATE(_name) CXACRU_DEVICE_CREATE_FILE(_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) #define CXACRU__ATTR_CREATE(_name) CXACRU_DEVICE_CREATE_FILE(_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) #define CXACRU_ATTR_REMOVE(_v, _t, _name) CXACRU_DEVICE_REMOVE_FILE(_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) #define CXACRU_CMD_REMOVE(_name) CXACRU_DEVICE_REMOVE_FILE(_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) #define CXACRU_SET_REMOVE(_name) CXACRU_DEVICE_REMOVE_FILE(_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) #define CXACRU__ATTR_REMOVE(_name) CXACRU_DEVICE_REMOVE_FILE(_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) static ssize_t cxacru_sysfs_showattr_u32(u32 value, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) return sprintf(buf, "%u\n", value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) static ssize_t cxacru_sysfs_showattr_s8(s8 value, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) return sprintf(buf, "%d\n", value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) static ssize_t cxacru_sysfs_showattr_dB(s16 value, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) if (likely(value >= 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) return snprintf(buf, PAGE_SIZE, "%u.%02u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) value / 100, value % 100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) value = -value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) return snprintf(buf, PAGE_SIZE, "-%u.%02u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) value / 100, value % 100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) static ssize_t cxacru_sysfs_showattr_bool(u32 value, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) static char *str[] = { "no", "yes" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) if (unlikely(value >= ARRAY_SIZE(str)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) return sprintf(buf, "%u\n", value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) return sprintf(buf, "%s\n", str[value]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) static ssize_t cxacru_sysfs_showattr_LINK(u32 value, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) static char *str[] = { NULL, "not connected", "connected", "lost" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) if (unlikely(value >= ARRAY_SIZE(str) || str[value] == NULL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) return sprintf(buf, "%u\n", value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) return sprintf(buf, "%s\n", str[value]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) static ssize_t cxacru_sysfs_showattr_LINE(u32 value, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) static char *str[] = { "down", "attempting to activate",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) "training", "channel analysis", "exchange", "up",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) "waiting", "initialising"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) if (unlikely(value >= ARRAY_SIZE(str)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) return sprintf(buf, "%u\n", value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) return sprintf(buf, "%s\n", str[value]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) static ssize_t cxacru_sysfs_showattr_MODU(u32 value, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) static char *str[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) "ANSI T1.413",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) "ITU-T G.992.1 (G.DMT)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) "ITU-T G.992.2 (G.LITE)"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) if (unlikely(value >= ARRAY_SIZE(str)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) return sprintf(buf, "%u\n", value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) return sprintf(buf, "%s\n", str[value]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) * This could use MAC_ADDRESS_HIGH and MAC_ADDRESS_LOW, but since
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) * this data is already in atm_dev there's no point.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) * MAC_ADDRESS_HIGH = 0x????5544
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) * MAC_ADDRESS_LOW = 0x33221100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) * Where 00-55 are bytes 0-5 of the MAC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) static ssize_t mac_address_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) struct cxacru_data *instance = to_usbatm_driver_data(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) to_usb_interface(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) if (instance == NULL || instance->usbatm->atm_dev == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) return sprintf(buf, "%pM\n", instance->usbatm->atm_dev->esi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) static ssize_t adsl_state_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) static char *str[] = { "running", "stopped" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) struct cxacru_data *instance = to_usbatm_driver_data(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) to_usb_interface(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) u32 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) if (instance == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) value = instance->card_info[CXINF_LINE_STARTABLE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) if (unlikely(value >= ARRAY_SIZE(str)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) return sprintf(buf, "%u\n", value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) return sprintf(buf, "%s\n", str[value]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) static ssize_t adsl_state_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) struct cxacru_data *instance = to_usbatm_driver_data(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) to_usb_interface(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) int poll = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) char str_cmd[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) int len = strlen(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) if (!capable(CAP_NET_ADMIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) return -EACCES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) ret = sscanf(buf, "%7s", str_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) if (ret != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) if (instance == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) if (mutex_lock_interruptible(&instance->adsl_state_serialize))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) return -ERESTARTSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) if (!strcmp(str_cmd, "stop") || !strcmp(str_cmd, "restart")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_STOP, NULL, 0, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) atm_err(instance->usbatm, "change adsl state:"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) " CHIP_ADSL_LINE_STOP returned %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) ret = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) ret = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) poll = CXPOLL_STOPPED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) /* Line status is only updated every second
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) * and the device appears to only react to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) * START/STOP every second too. Wait 1.5s to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) * be sure that restart will have an effect. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) if (!strcmp(str_cmd, "restart"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) msleep(1500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) if (!strcmp(str_cmd, "start") || !strcmp(str_cmd, "restart")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_START, NULL, 0, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) atm_err(instance->usbatm, "change adsl state:"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) " CHIP_ADSL_LINE_START returned %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) ret = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) ret = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) poll = CXPOLL_POLLING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) if (!strcmp(str_cmd, "poll")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) ret = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) poll = CXPOLL_POLLING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) if (ret == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) poll = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) if (poll == CXPOLL_POLLING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) mutex_lock(&instance->poll_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) switch (instance->poll_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) case CXPOLL_STOPPED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) /* start polling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) instance->poll_state = CXPOLL_POLLING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) case CXPOLL_STOPPING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) /* abort stop request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) instance->poll_state = CXPOLL_POLLING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) case CXPOLL_POLLING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) case CXPOLL_SHUTDOWN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) /* don't start polling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) poll = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) mutex_unlock(&instance->poll_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) } else if (poll == CXPOLL_STOPPED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) mutex_lock(&instance->poll_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) /* request stop */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) if (instance->poll_state == CXPOLL_POLLING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) instance->poll_state = CXPOLL_STOPPING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) mutex_unlock(&instance->poll_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) mutex_unlock(&instance->adsl_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) if (poll == CXPOLL_POLLING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) cxacru_poll_status(&instance->poll_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) /* CM_REQUEST_CARD_DATA_GET times out, so no show attribute */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) static ssize_t adsl_config_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) struct cxacru_data *instance = to_usbatm_driver_data(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) to_usb_interface(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) int len = strlen(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) int ret, pos, num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) __le32 data[CMD_PACKET_SIZE / 4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) if (!capable(CAP_NET_ADMIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) return -EACCES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) if (instance == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) pos = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) num = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) while (pos < len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) int tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) u32 index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) u32 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) ret = sscanf(buf + pos, "%x=%x%n", &index, &value, &tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) if (ret < 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) if (index > 0x7f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) if (tmp < 0 || tmp > len - pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) pos += tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) /* skip trailing newline */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) if (buf[pos] == '\n' && pos == len-1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) pos++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) data[num * 2 + 1] = cpu_to_le32(index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) data[num * 2 + 2] = cpu_to_le32(value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) num++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) /* send config values when data buffer is full
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) * or no more data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) if (pos >= len || num >= CMD_MAX_CONFIG) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) char log[CMD_MAX_CONFIG * 12 + 1]; /* %02x=%08x */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) data[0] = cpu_to_le32(num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) ret = cxacru_cm(instance, CM_REQUEST_CARD_DATA_SET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) (u8 *) data, 4 + num * 8, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) atm_err(instance->usbatm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) "set card data returned %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) for (tmp = 0; tmp < num; tmp++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) snprintf(log + tmp*12, 13, " %02x=%08x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) le32_to_cpu(data[tmp * 2 + 1]),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) le32_to_cpu(data[tmp * 2 + 2]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) atm_info(instance->usbatm, "config%s\n", log);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) num = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) * All device attributes are included in CXACRU_ALL_FILES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) * so that the same list can be used multiple times:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) * INIT (define the device attributes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) * CREATE (create all the device files)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) * REMOVE (remove all the device files)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) * With the last two being defined as needed in the functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) * they are used in before calling CXACRU_ALL_FILES()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) #define CXACRU_ALL_FILES(_action) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_RATE, u32, downstream_rate); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) CXACRU_ATTR_##_action(CXINF_UPSTREAM_RATE, u32, upstream_rate); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) CXACRU_ATTR_##_action(CXINF_LINK_STATUS, LINK, link_status); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) CXACRU_ATTR_##_action(CXINF_LINE_STATUS, LINE, line_status); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) CXACRU__ATTR_##_action( mac_address); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) CXACRU_ATTR_##_action(CXINF_UPSTREAM_SNR_MARGIN, dB, upstream_snr_margin); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_SNR_MARGIN, dB, downstream_snr_margin); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) CXACRU_ATTR_##_action(CXINF_UPSTREAM_ATTENUATION, dB, upstream_attenuation); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_ATTENUATION, dB, downstream_attenuation); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) CXACRU_ATTR_##_action(CXINF_TRANSMITTER_POWER, s8, transmitter_power); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) CXACRU_ATTR_##_action(CXINF_UPSTREAM_BITS_PER_FRAME, u32, upstream_bits_per_frame); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_BITS_PER_FRAME, u32, downstream_bits_per_frame); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) CXACRU_ATTR_##_action(CXINF_STARTUP_ATTEMPTS, u32, startup_attempts); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) CXACRU_ATTR_##_action(CXINF_UPSTREAM_CRC_ERRORS, u32, upstream_crc_errors); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_CRC_ERRORS, u32, downstream_crc_errors); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) CXACRU_ATTR_##_action(CXINF_UPSTREAM_FEC_ERRORS, u32, upstream_fec_errors); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_FEC_ERRORS, u32, downstream_fec_errors); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) CXACRU_ATTR_##_action(CXINF_UPSTREAM_HEC_ERRORS, u32, upstream_hec_errors); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_HEC_ERRORS, u32, downstream_hec_errors); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) CXACRU_ATTR_##_action(CXINF_LINE_STARTABLE, bool, line_startable); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) CXACRU_ATTR_##_action(CXINF_MODULATION, MODU, modulation); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) CXACRU_ATTR_##_action(CXINF_ADSL_HEADEND, u32, adsl_headend); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) CXACRU_ATTR_##_action(CXINF_ADSL_HEADEND_ENVIRONMENT, u32, adsl_headend_environment); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) CXACRU_ATTR_##_action(CXINF_CONTROLLER_VERSION, u32, adsl_controller_version); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) CXACRU_CMD_##_action( adsl_state); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) CXACRU_SET_##_action( adsl_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) CXACRU_ALL_FILES(INIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) static struct attribute *cxacru_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) &dev_attr_adsl_config.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) &dev_attr_adsl_state.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) &dev_attr_adsl_controller_version.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) &dev_attr_adsl_headend_environment.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) &dev_attr_adsl_headend.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) &dev_attr_modulation.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) &dev_attr_line_startable.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) &dev_attr_downstream_hec_errors.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) &dev_attr_upstream_hec_errors.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) &dev_attr_downstream_fec_errors.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) &dev_attr_upstream_fec_errors.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) &dev_attr_downstream_crc_errors.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) &dev_attr_upstream_crc_errors.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) &dev_attr_startup_attempts.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) &dev_attr_downstream_bits_per_frame.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) &dev_attr_upstream_bits_per_frame.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) &dev_attr_transmitter_power.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) &dev_attr_downstream_attenuation.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) &dev_attr_upstream_attenuation.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) &dev_attr_downstream_snr_margin.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) &dev_attr_upstream_snr_margin.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) &dev_attr_mac_address.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) &dev_attr_line_status.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) &dev_attr_link_status.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) &dev_attr_upstream_rate.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) &dev_attr_downstream_rate.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) ATTRIBUTE_GROUPS(cxacru);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) /* the following three functions are stolen from drivers/usb/core/message.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) static void cxacru_blocking_completion(struct urb *urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) complete(urb->context);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) struct cxacru_timer {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) struct timer_list timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) struct urb *urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) static void cxacru_timeout_kill(struct timer_list *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) struct cxacru_timer *timer = from_timer(timer, t, timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) usb_unlink_urb(timer->urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) static int cxacru_start_wait_urb(struct urb *urb, struct completion *done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) int *actual_length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) struct cxacru_timer timer = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) .urb = urb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) timer_setup_on_stack(&timer.timer, cxacru_timeout_kill, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) mod_timer(&timer.timer, jiffies + msecs_to_jiffies(CMD_TIMEOUT));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) wait_for_completion(done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) del_timer_sync(&timer.timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) destroy_timer_on_stack(&timer.timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) if (actual_length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) *actual_length = urb->actual_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) return urb->status; /* must read status after completion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) u8 *wdata, int wsize, u8 *rdata, int rsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) int ret, actlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) int offb, offd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) const int stride = CMD_PACKET_SIZE - 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) u8 *wbuf = instance->snd_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) u8 *rbuf = instance->rcv_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) int wbuflen = ((wsize - 1) / stride + 1) * CMD_PACKET_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) int rbuflen = ((rsize - 1) / stride + 1) * CMD_PACKET_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) if (wbuflen > PAGE_SIZE || rbuflen > PAGE_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) if (printk_ratelimit())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) usb_err(instance->usbatm, "requested transfer size too large (%d, %d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) wbuflen, rbuflen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) mutex_lock(&instance->cm_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) /* submit reading urb before the writing one */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) init_completion(&instance->rcv_done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) ret = usb_submit_urb(instance->rcv_urb, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) if (printk_ratelimit())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) usb_err(instance->usbatm, "submit of read urb for cm %#x failed (%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) cm, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) memset(wbuf, 0, wbuflen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) /* handle wsize == 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) wbuf[0] = cm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) for (offb = offd = 0; offd < wsize; offd += stride, offb += CMD_PACKET_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) wbuf[offb] = cm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) memcpy(wbuf + offb + 4, wdata + offd, min_t(int, stride, wsize - offd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) instance->snd_urb->transfer_buffer_length = wbuflen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) init_completion(&instance->snd_done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) ret = usb_submit_urb(instance->snd_urb, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) if (printk_ratelimit())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) usb_err(instance->usbatm, "submit of write urb for cm %#x failed (%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) cm, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) ret = cxacru_start_wait_urb(instance->snd_urb, &instance->snd_done, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) if (printk_ratelimit())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) usb_err(instance->usbatm, "send of cm %#x failed (%d)\n", cm, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) ret = cxacru_start_wait_urb(instance->rcv_urb, &instance->rcv_done, &actlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) if (printk_ratelimit())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) usb_err(instance->usbatm, "receive of cm %#x failed (%d)\n", cm, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) if (actlen % CMD_PACKET_SIZE || !actlen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) if (printk_ratelimit())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) usb_err(instance->usbatm, "invalid response length to cm %#x: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) cm, actlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) ret = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) /* check the return status and copy the data to the output buffer, if needed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) for (offb = offd = 0; offd < rsize && offb < actlen; offb += CMD_PACKET_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) if (rbuf[offb] != cm) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) if (printk_ratelimit())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) usb_err(instance->usbatm, "wrong cm %#x in response to cm %#x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) rbuf[offb], cm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) ret = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) if (rbuf[offb + 1] != CM_STATUS_SUCCESS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) if (printk_ratelimit())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) usb_err(instance->usbatm, "response to cm %#x failed: %#x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) cm, rbuf[offb + 1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) ret = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) if (offd >= rsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) memcpy(rdata + offd, rbuf + offb + 4, min_t(int, stride, rsize - offd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) offd += stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) ret = offd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) usb_dbg(instance->usbatm, "cm %#x\n", cm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) mutex_unlock(&instance->cm_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) static int cxacru_cm_get_array(struct cxacru_data *instance, enum cxacru_cm_request cm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) u32 *data, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) int ret, len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) __le32 *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) int offb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) unsigned int offd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) const int stride = CMD_PACKET_SIZE / (4 * 2) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) int buflen = ((size - 1) / stride + 1 + size * 2) * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) buf = kmalloc(buflen, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) if (!buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) ret = cxacru_cm(instance, cm, NULL, 0, (u8 *) buf, buflen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) /* len > 0 && len % 4 == 0 guaranteed by cxacru_cm() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) len = ret / 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) for (offb = 0; offb < len; ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) int l = le32_to_cpu(buf[offb++]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) if (l < 0 || l > stride || l > (len - offb) / 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) if (printk_ratelimit())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) usb_err(instance->usbatm, "invalid data length from cm %#x: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) cm, l);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) ret = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) while (l--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) offd = le32_to_cpu(buf[offb++]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) if (offd >= size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) if (printk_ratelimit())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) usb_err(instance->usbatm, "wrong index %#x in response to cm %#x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) offd, cm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) ret = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) data[offd] = le32_to_cpu(buf[offb++]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) cleanup:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) kfree(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) static int cxacru_card_status(struct cxacru_data *instance)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) int ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_STATUS, NULL, 0, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) if (ret < 0) { /* firmware not loaded */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) usb_dbg(instance->usbatm, "cxacru_adsl_start: CARD_GET_STATUS returned %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) static int cxacru_atm_start(struct usbatm_data *usbatm_instance,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) struct atm_dev *atm_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) struct cxacru_data *instance = usbatm_instance->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) struct usb_interface *intf = usbatm_instance->usb_intf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) int start_polling = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) dev_dbg(&intf->dev, "%s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) /* Read MAC address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_MAC_ADDRESS, NULL, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) atm_dev->esi, sizeof(atm_dev->esi));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) atm_err(usbatm_instance, "cxacru_atm_start: CARD_GET_MAC_ADDRESS returned %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) /* start ADSL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) mutex_lock(&instance->adsl_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_START, NULL, 0, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) atm_err(usbatm_instance, "cxacru_atm_start: CHIP_ADSL_LINE_START returned %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) /* Start status polling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) mutex_lock(&instance->poll_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) switch (instance->poll_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) case CXPOLL_STOPPED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) /* start polling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) instance->poll_state = CXPOLL_POLLING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) case CXPOLL_STOPPING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) /* abort stop request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) instance->poll_state = CXPOLL_POLLING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) case CXPOLL_POLLING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) case CXPOLL_SHUTDOWN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) /* don't start polling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) start_polling = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) mutex_unlock(&instance->poll_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) mutex_unlock(&instance->adsl_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) printk(KERN_INFO "%s%d: %s %pM\n", atm_dev->type, atm_dev->number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) usbatm_instance->description, atm_dev->esi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) if (start_polling)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) cxacru_poll_status(&instance->poll_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) static void cxacru_poll_status(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) struct cxacru_data *instance =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) container_of(work, struct cxacru_data, poll_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) u32 buf[CXINF_MAX] = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) struct usbatm_data *usbatm = instance->usbatm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) struct atm_dev *atm_dev = usbatm->atm_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) int keep_polling = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) ret = cxacru_cm_get_array(instance, CM_REQUEST_CARD_INFO_GET, buf, CXINF_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) if (ret != -ESHUTDOWN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) atm_warn(usbatm, "poll status: error %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) mutex_lock(&instance->poll_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) if (instance->poll_state != CXPOLL_SHUTDOWN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) instance->poll_state = CXPOLL_STOPPED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) if (ret != -ESHUTDOWN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) atm_warn(usbatm, "polling disabled, set adsl_state"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) " to 'start' or 'poll' to resume\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) mutex_unlock(&instance->poll_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) goto reschedule;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) memcpy(instance->card_info, buf, sizeof(instance->card_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) if (instance->adsl_status != buf[CXINF_LINE_STARTABLE]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) instance->adsl_status = buf[CXINF_LINE_STARTABLE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) switch (instance->adsl_status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) atm_printk(KERN_INFO, usbatm, "ADSL state: running\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) atm_printk(KERN_INFO, usbatm, "ADSL state: stopped\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) atm_printk(KERN_INFO, usbatm, "Unknown adsl status %02x\n", instance->adsl_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) if (instance->line_status == buf[CXINF_LINE_STATUS])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) goto reschedule;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) instance->line_status = buf[CXINF_LINE_STATUS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) switch (instance->line_status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) atm_info(usbatm, "ADSL line: down\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) atm_info(usbatm, "ADSL line: attempting to activate\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) atm_info(usbatm, "ADSL line: training\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) atm_info(usbatm, "ADSL line: channel analysis\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) atm_info(usbatm, "ADSL line: exchange\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) case 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) atm_dev->link_rate = buf[CXINF_DOWNSTREAM_RATE] * 1000 / 424;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_FOUND);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) atm_info(usbatm, "ADSL line: up (%d kb/s down | %d kb/s up)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) buf[CXINF_DOWNSTREAM_RATE], buf[CXINF_UPSTREAM_RATE]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) case 6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) atm_info(usbatm, "ADSL line: waiting\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) case 7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) atm_info(usbatm, "ADSL line: initializing\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_UNKNOWN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) atm_info(usbatm, "Unknown line state %02x\n", instance->line_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) reschedule:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) mutex_lock(&instance->poll_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) if (instance->poll_state == CXPOLL_STOPPING &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) instance->adsl_status == 1 && /* stopped */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) instance->line_status == 0) /* down */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) instance->poll_state = CXPOLL_STOPPED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) if (instance->poll_state == CXPOLL_STOPPED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) keep_polling = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) mutex_unlock(&instance->poll_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) if (keep_polling)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) schedule_delayed_work(&instance->poll_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) round_jiffies_relative(POLL_INTERVAL*HZ));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) static int cxacru_fw(struct usb_device *usb_dev, enum cxacru_fw_request fw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) u8 code1, u8 code2, u32 addr, const u8 *data, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) u8 *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) int offd, offb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) const int stride = CMD_PACKET_SIZE - 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) buf = (u8 *) __get_free_page(GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) if (!buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) offb = offd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) int l = min_t(int, stride, size - offd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) buf[offb++] = fw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) buf[offb++] = l;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) buf[offb++] = code1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) buf[offb++] = code2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) put_unaligned(cpu_to_le32(addr), (__le32 *)(buf + offb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) offb += 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) addr += l;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) if (l)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) memcpy(buf + offb, data + offd, l);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) if (l < stride)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) memset(buf + offb + l, 0, stride - l);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) offb += stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) offd += stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) if ((offb >= PAGE_SIZE) || (offd >= size)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_CMD),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) buf, offb, NULL, CMD_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) dev_dbg(&usb_dev->dev, "sending fw %#x failed\n", fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) offb = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) } while (offd < size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) dev_dbg(&usb_dev->dev, "sent fw %#x\n", fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) cleanup:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) free_page((unsigned long) buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) static void cxacru_upload_firmware(struct cxacru_data *instance,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) const struct firmware *fw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) const struct firmware *bp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) struct usbatm_data *usbatm = instance->usbatm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) struct usb_device *usb_dev = usbatm->usb_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) __le16 signature[] = { usb_dev->descriptor.idVendor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) usb_dev->descriptor.idProduct };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) __le32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) usb_dbg(usbatm, "%s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) /* FirmwarePllFClkValue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) val = cpu_to_le32(instance->modem_type->pll_f_clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLFCLK_ADDR, (u8 *) &val, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) usb_err(usbatm, "FirmwarePllFClkValue failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) /* FirmwarePllBClkValue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) val = cpu_to_le32(instance->modem_type->pll_b_clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLBCLK_ADDR, (u8 *) &val, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) usb_err(usbatm, "FirmwarePllBClkValue failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) /* Enable SDRAM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) val = cpu_to_le32(SDRAM_ENA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SDRAMEN_ADDR, (u8 *) &val, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) usb_err(usbatm, "Enable SDRAM failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) /* Firmware */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) usb_info(usbatm, "loading firmware\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, FW_ADDR, fw->data, fw->size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) usb_err(usbatm, "Firmware upload failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) /* Boot ROM patch */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) if (instance->modem_type->boot_rom_patch) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) usb_info(usbatm, "loading boot ROM patch\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_ADDR, bp->data, bp->size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) usb_err(usbatm, "Boot ROM patching failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) /* Signature */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SIG_ADDR, (u8 *) signature, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) usb_err(usbatm, "Signature storing failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) usb_info(usbatm, "starting device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) if (instance->modem_type->boot_rom_patch) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) val = cpu_to_le32(BR_ADDR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_STACK_ADDR, (u8 *) &val, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) ret = cxacru_fw(usb_dev, FW_GOTO_MEM, 0x0, 0x0, FW_ADDR, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) usb_err(usbatm, "Passing control to firmware failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) /* Delay to allow firmware to start up. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) msleep_interruptible(1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) usb_clear_halt(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_CMD));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) usb_clear_halt(usb_dev, usb_rcvbulkpipe(usb_dev, CXACRU_EP_CMD));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) usb_clear_halt(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_DATA));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) usb_clear_halt(usb_dev, usb_rcvbulkpipe(usb_dev, CXACRU_EP_DATA));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_STATUS, NULL, 0, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) usb_err(usbatm, "modem failed to initialize: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) static int cxacru_find_firmware(struct cxacru_data *instance,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) char *phase, const struct firmware **fw_p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) struct usbatm_data *usbatm = instance->usbatm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) struct device *dev = &usbatm->usb_intf->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) char buf[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) sprintf(buf, "cxacru-%s.bin", phase);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) usb_dbg(usbatm, "cxacru_find_firmware: looking for %s\n", buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) if (request_firmware(fw_p, buf, dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) usb_dbg(usbatm, "no stage %s firmware found\n", phase);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) return -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) usb_info(usbatm, "found firmware %s\n", buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) static int cxacru_heavy_init(struct usbatm_data *usbatm_instance,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) struct usb_interface *usb_intf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) const struct firmware *fw, *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) struct cxacru_data *instance = usbatm_instance->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) int ret = cxacru_find_firmware(instance, "fw", &fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) usb_warn(usbatm_instance, "firmware (cxacru-fw.bin) unavailable (system misconfigured?)\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) if (instance->modem_type->boot_rom_patch) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) ret = cxacru_find_firmware(instance, "bp", &bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) usb_warn(usbatm_instance, "boot ROM patch (cxacru-bp.bin) unavailable (system misconfigured?)\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) cxacru_upload_firmware(instance, fw, bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) if (instance->modem_type->boot_rom_patch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) release_firmware(bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) ret = cxacru_card_status(instance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) usb_dbg(usbatm_instance, "modem initialisation failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) usb_dbg(usbatm_instance, "done setting up the modem\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) static int cxacru_bind(struct usbatm_data *usbatm_instance,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) struct usb_interface *intf, const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) struct cxacru_data *instance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) struct usb_device *usb_dev = interface_to_usbdev(intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) struct usb_host_endpoint *cmd_ep = usb_dev->ep_in[CXACRU_EP_CMD];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) /* instance init */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) instance = kzalloc(sizeof(*instance), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) if (!instance)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) instance->usbatm = usbatm_instance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) instance->modem_type = (struct cxacru_modem_type *) id->driver_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) mutex_init(&instance->poll_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) instance->poll_state = CXPOLL_STOPPED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) instance->line_status = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) instance->adsl_status = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) mutex_init(&instance->adsl_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) instance->rcv_buf = (u8 *) __get_free_page(GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) if (!instance->rcv_buf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) usb_dbg(usbatm_instance, "cxacru_bind: no memory for rcv_buf\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) instance->snd_buf = (u8 *) __get_free_page(GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) if (!instance->snd_buf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) usb_dbg(usbatm_instance, "cxacru_bind: no memory for snd_buf\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) instance->rcv_urb = usb_alloc_urb(0, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) if (!instance->rcv_urb) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) instance->snd_urb = usb_alloc_urb(0, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) if (!instance->snd_urb) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) if (!cmd_ep) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) usb_dbg(usbatm_instance, "cxacru_bind: no command endpoint\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) if ((cmd_ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) == USB_ENDPOINT_XFER_INT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) usb_fill_int_urb(instance->rcv_urb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) usb_dev, usb_rcvintpipe(usb_dev, CXACRU_EP_CMD),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) instance->rcv_buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) cxacru_blocking_completion, &instance->rcv_done, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) usb_fill_int_urb(instance->snd_urb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) usb_dev, usb_sndintpipe(usb_dev, CXACRU_EP_CMD),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) instance->snd_buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) cxacru_blocking_completion, &instance->snd_done, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) usb_fill_bulk_urb(instance->rcv_urb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) usb_dev, usb_rcvbulkpipe(usb_dev, CXACRU_EP_CMD),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) instance->rcv_buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) cxacru_blocking_completion, &instance->rcv_done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) usb_fill_bulk_urb(instance->snd_urb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_CMD),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) instance->snd_buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) cxacru_blocking_completion, &instance->snd_done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) mutex_init(&instance->cm_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) INIT_DELAYED_WORK(&instance->poll_work, cxacru_poll_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) usbatm_instance->driver_data = instance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) usbatm_instance->flags = (cxacru_card_status(instance) ? 0 : UDSL_SKIP_HEAVY_INIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) free_page((unsigned long) instance->snd_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) free_page((unsigned long) instance->rcv_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) usb_free_urb(instance->snd_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) usb_free_urb(instance->rcv_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) kfree(instance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) static void cxacru_unbind(struct usbatm_data *usbatm_instance,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) struct usb_interface *intf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) struct cxacru_data *instance = usbatm_instance->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) int is_polling = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) usb_dbg(usbatm_instance, "cxacru_unbind entered\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) if (!instance) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) usb_dbg(usbatm_instance, "cxacru_unbind: NULL instance!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) mutex_lock(&instance->poll_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) BUG_ON(instance->poll_state == CXPOLL_SHUTDOWN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) /* ensure that status polling continues unless
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) * it has already stopped */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) if (instance->poll_state == CXPOLL_STOPPED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) is_polling = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) /* stop polling from being stopped or started */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) instance->poll_state = CXPOLL_SHUTDOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) mutex_unlock(&instance->poll_state_serialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) if (is_polling)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) cancel_delayed_work_sync(&instance->poll_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) usb_kill_urb(instance->snd_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) usb_kill_urb(instance->rcv_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) usb_free_urb(instance->snd_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) usb_free_urb(instance->rcv_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) free_page((unsigned long) instance->snd_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) free_page((unsigned long) instance->rcv_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) kfree(instance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) usbatm_instance->driver_data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) static const struct cxacru_modem_type cxacru_cafe = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) .pll_f_clk = 0x02d874df,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) .pll_b_clk = 0x0196a51a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) .boot_rom_patch = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) static const struct cxacru_modem_type cxacru_cb00 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) .pll_f_clk = 0x5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) .pll_b_clk = 0x3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) .boot_rom_patch = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) static const struct usb_device_id cxacru_usb_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) { /* V = Conexant P = ADSL modem (Euphrates project) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) USB_DEVICE(0x0572, 0xcafe), .driver_info = (unsigned long) &cxacru_cafe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) { /* V = Conexant P = ADSL modem (Hasbani project) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) USB_DEVICE(0x0572, 0xcb00), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) { /* V = Conexant P = ADSL modem */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) USB_DEVICE(0x0572, 0xcb01), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) { /* V = Conexant P = ADSL modem (Well PTI-800) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) USB_DEVICE(0x0572, 0xcb02), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) { /* V = Conexant P = ADSL modem */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) USB_DEVICE(0x0572, 0xcb06), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) { /* V = Conexant P = ADSL modem (ZTE ZXDSL 852) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) USB_DEVICE(0x0572, 0xcb07), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) { /* V = Olitec P = ADSL modem version 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) USB_DEVICE(0x08e3, 0x0100), .driver_info = (unsigned long) &cxacru_cafe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) { /* V = Olitec P = ADSL modem version 3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) USB_DEVICE(0x08e3, 0x0102), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) { /* V = Trust/Amigo Technology Co. P = AMX-CA86U */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) USB_DEVICE(0x0eb0, 0x3457), .driver_info = (unsigned long) &cxacru_cafe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) { /* V = Zoom P = 5510 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) USB_DEVICE(0x1803, 0x5510), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) { /* V = Draytek P = Vigor 318 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) USB_DEVICE(0x0675, 0x0200), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) { /* V = Zyxel P = 630-C1 aka OMNI ADSL USB (Annex A) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) USB_DEVICE(0x0586, 0x330a), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) { /* V = Zyxel P = 630-C3 aka OMNI ADSL USB (Annex B) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) USB_DEVICE(0x0586, 0x330b), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) { /* V = Aethra P = Starmodem UM1020 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) USB_DEVICE(0x0659, 0x0020), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) { /* V = Aztech Systems P = ? AKA Pirelli AUA-010 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) USB_DEVICE(0x0509, 0x0812), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) { /* V = Netopia P = Cayman 3341(Annex A)/3351(Annex B) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) USB_DEVICE(0x100d, 0xcb01), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) { /* V = Netopia P = Cayman 3342(Annex A)/3352(Annex B) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) USB_DEVICE(0x100d, 0x3342), .driver_info = (unsigned long) &cxacru_cb00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) MODULE_DEVICE_TABLE(usb, cxacru_usb_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) static struct usbatm_driver cxacru_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) .driver_name = cxacru_driver_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) .bind = cxacru_bind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) .heavy_init = cxacru_heavy_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) .unbind = cxacru_unbind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) .atm_start = cxacru_atm_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) .bulk_in = CXACRU_EP_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) .bulk_out = CXACRU_EP_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) .rx_padding = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) .tx_padding = 11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) static int cxacru_usb_probe(struct usb_interface *intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) struct usb_device *usb_dev = interface_to_usbdev(intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) char buf[15];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) /* Avoid ADSL routers (cx82310_eth).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) * Abort if bDeviceClass is 0xff and iProduct is "USB NET CARD".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) if (usb_dev->descriptor.bDeviceClass == USB_CLASS_VENDOR_SPEC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) && usb_string(usb_dev, usb_dev->descriptor.iProduct,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) buf, sizeof(buf)) > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) if (!strcmp(buf, "USB NET CARD")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) dev_info(&intf->dev, "ignoring cx82310_eth device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) return usbatm_usb_probe(intf, id, &cxacru_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) static struct usb_driver cxacru_usb_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) .name = cxacru_driver_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) .probe = cxacru_usb_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) .disconnect = usbatm_usb_disconnect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) .id_table = cxacru_usb_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) .dev_groups = cxacru_groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) module_usb_driver(cxacru_usb_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) MODULE_AUTHOR(DRIVER_AUTHOR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) MODULE_DESCRIPTION(DRIVER_DESC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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