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-rw-r--r--util/comm-host.c157
1 files changed, 0 insertions, 157 deletions
diff --git a/util/comm-host.c b/util/comm-host.c
deleted file mode 100644
index 45d6f85a02..0000000000
--- a/util/comm-host.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include <errno.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "comm-host.h"
-#include "cros_ec_dev.h"
-#include "ec_commands.h"
-#include "misc_util.h"
-
-
-int (*ec_command_proto)(int command, int version,
- const void *outdata, int outsize,
- void *indata, int insize);
-
-int (*ec_readmem)(int offset, int bytes, void *dest);
-
-int (*ec_pollevent)(unsigned long mask, void *buffer, size_t buf_size,
- int timeout);
-
-int ec_max_outsize, ec_max_insize;
-void *ec_outbuf;
-void *ec_inbuf;
-static int command_offset;
-
-int comm_init_dev(const char *device_name) __attribute__((weak));
-int comm_init_lpc(void) __attribute__((weak));
-int comm_init_i2c(int i2c_bus) __attribute__((weak));
-int comm_init_servo_spi(const char *device_name) __attribute__((weak));
-
-static int fake_readmem(int offset, int bytes, void *dest)
-{
- struct ec_params_read_memmap p;
- int c;
- char *buf;
-
- p.offset = offset;
-
- if (bytes) {
- p.size = bytes;
- c = ec_command(EC_CMD_READ_MEMMAP, 0, &p, sizeof(p),
- dest, p.size);
- if (c < 0)
- return c;
- return p.size;
- }
-
- p.size = EC_MEMMAP_TEXT_MAX;
-
- c = ec_command(EC_CMD_READ_MEMMAP, 0, &p, sizeof(p), dest, p.size);
- if (c < 0)
- return c;
-
- buf = (char *)(dest);
- for (c = 0; c < EC_MEMMAP_TEXT_MAX; c++) {
- if (buf[c] == 0)
- return c;
- }
-
- buf[EC_MEMMAP_TEXT_MAX - 1] = 0;
- return EC_MEMMAP_TEXT_MAX - 1;
-}
-
-void set_command_offset(int offset)
-{
- command_offset = offset;
-}
-
-int ec_command(int command, int version,
- const void *outdata, int outsize,
- void *indata, int insize)
-{
- /* Offset command code to support sub-devices */
- return ec_command_proto(command_offset + command, version,
- outdata, outsize,
- indata, insize);
-}
-
-int comm_init_alt(int interfaces, const char *device_name, int i2c_bus)
-{
- bool dev_is_cros_ec;
-
- /* Default memmap access */
- ec_readmem = fake_readmem;
-
- if ((interfaces & COMM_SERVO) && comm_init_servo_spi &&
- !comm_init_servo_spi(device_name))
- return 0;
-
- /* Do not fallback to other communication methods if target is not a
- * cros_ec device */
- dev_is_cros_ec = !strcmp(CROS_EC_DEV_NAME, device_name);
-
- /* Fallback to direct LPC on x86 */
- if (dev_is_cros_ec && (interfaces & COMM_LPC) &&
- comm_init_lpc && !comm_init_lpc())
- return 0;
-
- /* Fallback to direct I2C */
- if ((dev_is_cros_ec || i2c_bus != -1) && (interfaces & COMM_I2C) &&
- comm_init_i2c && !comm_init_i2c(i2c_bus))
- return 0;
-
- /* Give up */
- fprintf(stderr, "Unable to establish host communication\n");
- return 1;
-}
-
-int comm_init_buffer(void)
-{
- int allow_large_buffer;
- struct ec_response_get_protocol_info info;
-
- allow_large_buffer = kernel_version_ge(3, 14, 0);
- if (allow_large_buffer < 0) {
- fprintf(stderr, "Unable to check linux version\n");
- return 1;
- }
-
- /* Allocate shared I/O buffers */
- ec_outbuf = malloc(ec_max_outsize);
- ec_inbuf = malloc(ec_max_insize);
- if (!ec_outbuf || !ec_inbuf) {
- fprintf(stderr, "Unable to allocate buffers\n");
- return 1;
- }
-
- /* read max request / response size from ec for protocol v3+ */
- if (ec_command(EC_CMD_GET_PROTOCOL_INFO, 0, NULL, 0, &info,
- sizeof(info)) == sizeof(info)) {
- int outsize = info.max_request_packet_size -
- sizeof(struct ec_host_request);
- int insize = info.max_response_packet_size -
- sizeof(struct ec_host_response);
- if ((allow_large_buffer) || (outsize < ec_max_outsize))
- ec_max_outsize = outsize;
- if ((allow_large_buffer) || (insize < ec_max_insize))
- ec_max_insize = insize;
-
- ec_outbuf = realloc(ec_outbuf, ec_max_outsize);
- ec_inbuf = realloc(ec_inbuf, ec_max_insize);
-
- if (!ec_outbuf || !ec_inbuf) {
- fprintf(stderr, "Unable to reallocate buffers\n");
- return 1;
- }
- }
-
- return 0;
-}