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ec/google/chromeec: Clean up ec.[ch]

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Change all uN integral types to uintN_t.  Make the names of host
command params/responses consistent.  Use static struct initialization
to ensure all fields are initialized.

BUG=none
BRANCH=none
TEST=compiles

Change-Id: Ibe1e29e88975c85eea215adedc5f5e483243e0d6
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36340
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Joel Kitching <kitching@google.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Tim Wawrzynczak
2019-10-24 10:12:01 -06:00
committed by Patrick Georgi
parent 44b275e209
commit b5c345ab44
2 changed files with 301 additions and 284 deletions
Download Patch File Download Diff File Expand all files Collapse all files

567
src/ec/google/chromeec/ec.c
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@@ -126,30 +126,30 @@ uint8_t google_chromeec_calc_checksum(const uint8_t *data, int size)
int google_chromeec_kbbacklight(int percent)
{
struct chromeec_command cec_cmd;
struct ec_params_pwm_set_keyboard_backlight cmd_backlight;
struct ec_response_pwm_get_keyboard_backlight rsp_backlight;
/* if they were dumb, help them out */
percent = percent % 101;
cec_cmd.cmd_code = EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT;
cec_cmd.cmd_version = 0;
cmd_backlight.percent = percent;
cec_cmd.cmd_data_in = &cmd_backlight;
cec_cmd.cmd_data_out = &rsp_backlight;
cec_cmd.cmd_size_in = sizeof(cmd_backlight);
cec_cmd.cmd_size_out = sizeof(rsp_backlight);
cec_cmd.cmd_dev_index = 0;
google_chromeec_command(&cec_cmd);
printk(BIOS_DEBUG, "Google Chrome set keyboard backlight: %x status (%x)\n",
rsp_backlight.percent, cec_cmd.cmd_code);
return cec_cmd.cmd_code;
struct ec_params_pwm_set_keyboard_backlight params = {
.percent = percent % 101,
};
struct ec_response_pwm_get_keyboard_backlight resp = {};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT,
.cmd_version = 0,
.cmd_data_in = &params,
.cmd_data_out = &resp,
.cmd_size_in = sizeof(params),
.cmd_size_out = sizeof(resp),
.cmd_dev_index = 0,
};
google_chromeec_command(&cmd);
printk(BIOS_DEBUG, "Google Chrome set keyboard backlight: %x status (%x)\n",
resp.percent, cmd.cmd_code);
return cmd.cmd_code;
}
void google_chromeec_post(u8 postcode)
void google_chromeec_post(uint8_t postcode)
{
/* backlight is a percent. postcode is a u8.
* Convert the u8 to %.
/* backlight is a percent. postcode is a uint8_t.
* Convert the uint8_t to %.
*/
postcode = (postcode/4) + (postcode/8);
google_chromeec_kbbacklight(postcode);
@@ -163,63 +163,65 @@ static int google_chromeec_uhepi_cmd(uint8_t mask, uint8_t action,
uint64_t *value)
{
int ret;
struct ec_params_host_event req;
struct ec_response_host_event rsp;
struct chromeec_command cmd;
struct ec_params_host_event params = {
.action = action,
.mask_type = mask,
};
struct ec_response_host_event resp = {};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_HOST_EVENT,
.cmd_version = 0,
.cmd_data_in = &params,
.cmd_size_in = sizeof(params),
.cmd_data_out = &resp,
.cmd_size_out = sizeof(resp),
.cmd_dev_index = 0,
};
req.action = action;
req.mask_type = mask;
if (action != EC_HOST_EVENT_GET)
req.value = *value;
params.value = *value;
else
*value = 0;
cmd.cmd_code = EC_CMD_HOST_EVENT;
cmd.cmd_version = 0;
cmd.cmd_data_in = &req;
cmd.cmd_size_in = sizeof(req);
cmd.cmd_data_out = &rsp;
cmd.cmd_size_out = sizeof(rsp);
cmd.cmd_dev_index = 0;
ret = google_chromeec_command(&cmd);
if (action != EC_HOST_EVENT_GET)
return ret;
if (ret == 0)
*value = rsp.value;
*value = resp.value;
return ret;
}
static int google_chromeec_handle_non_uhepi_cmd(uint8_t hcmd, uint8_t action,
uint64_t *value)
uint64_t *value)
{
int ret = -1;
struct ec_params_host_event_mask req;
struct ec_response_host_event_mask rsp;
struct chromeec_command cmd;
struct ec_params_host_event_mask params = {};
struct ec_response_host_event_mask resp = {};
struct chromeec_command cmd = {
.cmd_code = hcmd,
.cmd_version = 0,
.cmd_data_in = &params,
.cmd_size_in = sizeof(params),
.cmd_data_out = &resp,
.cmd_size_out = sizeof(resp),
.cmd_dev_index = 0,
};
if (hcmd == INVALID_HCMD)
return ret;
if (action != EC_HOST_EVENT_GET)
req.mask = (uint32_t)*value;
params.mask = (uint32_t)*value;
else
*value = 0;
cmd.cmd_code = hcmd;
cmd.cmd_version = 0;
cmd.cmd_data_in = &req;
cmd.cmd_size_in = sizeof(req);
cmd.cmd_data_out = &rsp;
cmd.cmd_size_out = sizeof(rsp);
cmd.cmd_dev_index = 0;
ret = google_chromeec_command(&cmd);
if (action != EC_HOST_EVENT_GET)
return ret;
if (ret == 0)
*value = rsp.mask;
*value = resp.mask;
return ret;
}
@@ -242,9 +244,9 @@ bool google_chromeec_is_uhepi_supported(void)
return uhepi_support == UHEPI_SUPPORTED;
}
static uint64_t google_chromeec_get_mask(u8 type)
static uint64_t google_chromeec_get_mask(uint8_t type)
{
u64 value = 0;
uint64_t value = 0;
if (google_chromeec_is_uhepi_supported()) {
google_chromeec_uhepi_cmd(type, EC_HOST_EVENT_GET, &value);
@@ -256,7 +258,8 @@ static uint64_t google_chromeec_get_mask(u8 type)
}
return value;
}
static int google_chromeec_clear_mask(u8 type, u64 mask)
static int google_chromeec_clear_mask(uint8_t type, uint64_t mask)
{
if (google_chromeec_is_uhepi_supported())
return google_chromeec_uhepi_cmd(type,
@@ -267,7 +270,8 @@ static int google_chromeec_clear_mask(u8 type, u64 mask)
event_map[type].clear_cmd,
EC_HOST_EVENT_CLEAR, &mask);
}
static int __unused google_chromeec_set_mask(u8 type, u64 mask)
static int __unused google_chromeec_set_mask(uint8_t type, uint64_t mask)
{
if (google_chromeec_is_uhepi_supported())
return google_chromeec_uhepi_cmd(type,
@@ -331,15 +335,15 @@ int google_chromeec_clear_events_b(uint64_t mask)
int google_chromeec_get_mkbp_event(struct ec_response_get_next_event *event)
{
struct chromeec_command cmd;
cmd.cmd_code = EC_CMD_GET_NEXT_EVENT;
cmd.cmd_version = 0;
cmd.cmd_data_in = NULL;
cmd.cmd_size_in = 0;
cmd.cmd_data_out = event;
cmd.cmd_size_out = sizeof(*event);
cmd.cmd_dev_index = 0;
struct chromeec_command cmd = {
.cmd_code = EC_CMD_GET_NEXT_EVENT,
.cmd_version = 0,
.cmd_data_in = NULL,
.cmd_size_in = 0,
.cmd_data_out = event,
.cmd_size_out = sizeof(*event),
.cmd_dev_index = 0,
};
return google_chromeec_command(&cmd);
}
@@ -347,40 +351,43 @@ int google_chromeec_get_mkbp_event(struct ec_response_get_next_event *event)
/* Get the current device event mask */
uint64_t google_chromeec_get_device_enabled_events(void)
{
struct ec_params_device_event req;
struct ec_response_device_event rsp;
struct chromeec_command cmd;
req.param = EC_DEVICE_EVENT_PARAM_GET_ENABLED_EVENTS;
cmd.cmd_code = EC_CMD_DEVICE_EVENT;
cmd.cmd_version = 0;
cmd.cmd_data_in = &req;
cmd.cmd_size_in = sizeof(req);
cmd.cmd_data_out = &rsp;
cmd.cmd_size_out = sizeof(rsp);
cmd.cmd_dev_index = 0;
struct ec_params_device_event params = {
.param = EC_DEVICE_EVENT_PARAM_GET_ENABLED_EVENTS,
};
struct ec_response_device_event resp = {};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_DEVICE_EVENT,
.cmd_version = 0,
.cmd_data_in = &params,
.cmd_size_in = sizeof(params),
.cmd_data_out = &resp,
.cmd_size_out = sizeof(resp),
.cmd_dev_index = 0,
};
if (google_chromeec_command(&cmd) == 0)
return rsp.event_mask;
return resp.event_mask;
return 0;
}
/* Set the current device event mask */
int google_chromeec_set_device_enabled_events(uint64_t mask)
{
struct ec_params_device_event req;
struct ec_response_device_event rsp;
struct chromeec_command cmd;
req.event_mask = (uint32_t)mask;
req.param = EC_DEVICE_EVENT_PARAM_SET_ENABLED_EVENTS;
cmd.cmd_code = EC_CMD_DEVICE_EVENT;
cmd.cmd_version = 0;
cmd.cmd_data_in = &req;
cmd.cmd_size_in = sizeof(req);
cmd.cmd_data_out = &rsp;
cmd.cmd_size_out = sizeof(rsp);
cmd.cmd_dev_index = 0;
struct ec_params_device_event params = {
.event_mask = (uint32_t)mask,
.param = EC_DEVICE_EVENT_PARAM_SET_ENABLED_EVENTS,
};
struct ec_response_device_event resp = {};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_DEVICE_EVENT,
.cmd_version = 0,
.cmd_data_in = &params,
.cmd_size_in = sizeof(params),
.cmd_data_out = &resp,
.cmd_size_out = sizeof(resp),
.cmd_dev_index = 0,
};
return google_chromeec_command(&cmd);
}
@@ -388,21 +395,23 @@ int google_chromeec_set_device_enabled_events(uint64_t mask)
/* Read and clear pending device events */
uint64_t google_chromeec_get_device_current_events(void)
{
struct ec_params_device_event req;
struct ec_response_device_event rsp;
struct chromeec_command cmd;
req.param = EC_DEVICE_EVENT_PARAM_GET_CURRENT_EVENTS;
cmd.cmd_code = EC_CMD_DEVICE_EVENT;
cmd.cmd_version = 0;
cmd.cmd_data_in = &req;
cmd.cmd_size_in = sizeof(req);
cmd.cmd_data_out = &rsp;
cmd.cmd_size_out = sizeof(rsp);
cmd.cmd_dev_index = 0;
struct ec_params_device_event params = {
.param = EC_DEVICE_EVENT_PARAM_GET_CURRENT_EVENTS,
};
struct ec_response_device_event resp = {};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_DEVICE_EVENT,
.cmd_version = 0,
.cmd_data_in = &params,
.cmd_size_in = sizeof(params),
.cmd_data_out = &resp,
.cmd_size_out = sizeof(resp),
.cmd_dev_index = 0,
};
if (google_chromeec_command(&cmd) == 0)
return rsp.event_mask;
return resp.event_mask;
return 0;
}
@@ -479,39 +488,39 @@ void google_chromeec_events_init(const struct google_chromeec_event_info *info,
int google_chromeec_check_feature(int feature)
{
struct chromeec_command cmd;
struct ec_response_get_features r;
cmd.cmd_code = EC_CMD_GET_FEATURES;
cmd.cmd_version = 0;
cmd.cmd_size_in = 0;
cmd.cmd_data_out = &r;
cmd.cmd_size_out = sizeof(r);
cmd.cmd_dev_index = 0;
struct ec_response_get_features resp = {};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_GET_FEATURES,
.cmd_version = 0,
.cmd_size_in = 0,
.cmd_data_out = &resp,
.cmd_size_out = sizeof(resp),
.cmd_dev_index = 0,
};
if (google_chromeec_command(&cmd) != 0)
return -1;
if (feature >= 8 * sizeof(r.flags))
if (feature >= 8 * sizeof(resp.flags))
return -1;
return r.flags[feature / 32] & EC_FEATURE_MASK_0(feature);
return resp.flags[feature / 32] & EC_FEATURE_MASK_0(feature);
}
int google_chromeec_set_sku_id(u32 skuid)
int google_chromeec_set_sku_id(uint32_t skuid)
{
struct chromeec_command cmd;
struct ec_sku_id_info set_skuid = {
.sku_id = skuid
};
cmd.cmd_code = EC_CMD_SET_SKU_ID;
cmd.cmd_version = 0;
cmd.cmd_size_in = sizeof(set_skuid);
cmd.cmd_data_in = &set_skuid;
cmd.cmd_data_out = NULL;
cmd.cmd_size_out = 0;
cmd.cmd_dev_index = 0;
struct chromeec_command cmd = {
.cmd_code = EC_CMD_SET_SKU_ID,
.cmd_version = 0,
.cmd_size_in = sizeof(set_skuid),
.cmd_data_in = &set_skuid,
.cmd_data_out = NULL,
.cmd_size_out = 0,
.cmd_dev_index = 0,
};
if (google_chromeec_command(&cmd) != 0)
return -1;
@@ -522,63 +531,64 @@ int google_chromeec_set_sku_id(u32 skuid)
#if CONFIG(EC_GOOGLE_CHROMEEC_RTC)
int rtc_get(struct rtc_time *time)
{
struct chromeec_command cmd;
struct ec_response_rtc r;
cmd.cmd_code = EC_CMD_RTC_GET_VALUE;
cmd.cmd_version = 0;
cmd.cmd_size_in = 0;
cmd.cmd_data_out = &r;
cmd.cmd_size_out = sizeof(r);
cmd.cmd_dev_index = 0;
struct ec_response_rtc resp = {};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_RTC_GET_VALUE,
.cmd_version = 0,
.cmd_size_in = 0,
.cmd_data_out = &resp,
.cmd_size_out = sizeof(resp),
.cmd_dev_index = 0,
};
if (google_chromeec_command(&cmd) != 0)
return -1;
return rtc_to_tm(r.time, time);
return rtc_to_tm(resp.time, time);
}
#endif
int google_chromeec_reboot(int dev_idx, enum ec_reboot_cmd type, uint8_t flags)
{
struct ec_params_reboot_ec reboot_ec = {
struct ec_params_reboot_ec params = {
.cmd = type,
.flags = flags,
};
struct ec_response_get_version cec_resp = { };
struct chromeec_command cec_cmd = {
struct ec_response_get_version resp = {};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_REBOOT_EC,
.cmd_version = 0,
.cmd_data_in = &reboot_ec,
.cmd_data_out = &cec_resp,
.cmd_size_in = sizeof(reboot_ec),
.cmd_data_in = &params,
.cmd_data_out = &resp,
.cmd_size_in = sizeof(params),
.cmd_size_out = 0, /* ignore response, if any */
.cmd_dev_index = dev_idx,
};
return google_chromeec_command(&cec_cmd);
return google_chromeec_command(&cmd);
}
static int cbi_get_uint32(uint32_t *id, uint32_t tag)
{
struct chromeec_command cmd;
struct ec_params_get_cbi p;
struct ec_params_get_cbi params = {
.tag = tag,
};
uint32_t r = 0;
struct chromeec_command cmd = {
.cmd_code = EC_CMD_GET_CROS_BOARD_INFO,
.cmd_version = 0,
.cmd_data_in = &params,
.cmd_data_out = &r,
.cmd_size_in = sizeof(params),
.cmd_size_out = sizeof(r),
.cmd_dev_index = 0,
};
int rv;
p.tag = tag;
cmd.cmd_code = EC_CMD_GET_CROS_BOARD_INFO;
cmd.cmd_version = 0;
cmd.cmd_data_in = &p;
cmd.cmd_data_out = &r;
cmd.cmd_size_in = sizeof(p);
cmd.cmd_size_out = sizeof(r);
cmd.cmd_dev_index = 0;
rv = google_chromeec_command(&cmd);
if (rv != 0)
return rv;
*id = r;
return 0;
}
@@ -595,15 +605,15 @@ int google_chromeec_cbi_get_oem_id(uint32_t *id)
static int cbi_get_string(char *buf, size_t bufsize, uint32_t tag)
{
struct ec_params_get_cbi p = {
struct ec_params_get_cbi params = {
.tag = tag,
};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_GET_CROS_BOARD_INFO,
.cmd_version = 0,
.cmd_data_in = &p,
.cmd_data_in = &params,
.cmd_data_out = buf,
.cmd_size_in = sizeof(p),
.cmd_size_in = sizeof(params),
.cmd_size_out = bufsize,
};
int rv;
@@ -630,101 +640,102 @@ int google_chromeec_cbi_get_oem_name(char *buf, size_t bufsize)
int google_chromeec_get_board_version(uint32_t *version)
{
struct chromeec_command cmd;
struct ec_response_board_version board_v;
cmd.cmd_code = EC_CMD_GET_BOARD_VERSION;
cmd.cmd_version = 0;
cmd.cmd_size_in = 0;
cmd.cmd_size_out = sizeof(board_v);
cmd.cmd_data_out = &board_v;
cmd.cmd_dev_index = 0;
struct ec_response_board_version resp;
struct chromeec_command cmd = {
.cmd_code = EC_CMD_GET_BOARD_VERSION,
.cmd_version = 0,
.cmd_size_in = 0,
.cmd_size_out = sizeof(resp),
.cmd_data_out = &resp,
.cmd_dev_index = 0,
};
if (google_chromeec_command(&cmd))
return -1;
*version = board_v.board_version;
*version = resp.board_version;
return 0;
}
u32 google_chromeec_get_sku_id(void)
uint32_t google_chromeec_get_sku_id(void)
{
struct chromeec_command cmd;
struct ec_sku_id_info sku_v;
cmd.cmd_code = EC_CMD_GET_SKU_ID;
cmd.cmd_version = 0;
cmd.cmd_size_in = 0;
cmd.cmd_size_out = sizeof(sku_v);
cmd.cmd_data_out = &sku_v;
cmd.cmd_dev_index = 0;
struct ec_sku_id_info resp;
struct chromeec_command cmd = {
.cmd_code = EC_CMD_GET_SKU_ID,
.cmd_version = 0,
.cmd_size_in = 0,
.cmd_size_out = sizeof(resp),
.cmd_data_out = &resp,
.cmd_dev_index = 0,
};
if (google_chromeec_command(&cmd) != 0)
return 0;
return sku_v.sku_id;
return resp.sku_id;
}
int google_chromeec_vbnv_context(int is_read, uint8_t *data, int len)
{
struct chromeec_command cec_cmd;
struct ec_params_vbnvcontext cmd_vbnvcontext;
struct ec_response_vbnvcontext rsp_vbnvcontext;
struct ec_params_vbnvcontext params = {
.op = is_read ? EC_VBNV_CONTEXT_OP_READ :
EC_VBNV_CONTEXT_OP_WRITE,
};
struct ec_response_vbnvcontext resp = {};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_VBNV_CONTEXT,
.cmd_version = EC_VER_VBNV_CONTEXT,
.cmd_data_in = &params,
.cmd_data_out = &resp,
.cmd_size_in = sizeof(params),
.cmd_size_out = is_read ? sizeof(resp) : 0,
.cmd_dev_index = 0,
};
int retries = 3;
if (len != EC_VBNV_BLOCK_SIZE)
return -1;
retry:
cec_cmd.cmd_code = EC_CMD_VBNV_CONTEXT;
cec_cmd.cmd_version = EC_VER_VBNV_CONTEXT;
cec_cmd.cmd_data_in = &cmd_vbnvcontext;
cec_cmd.cmd_data_out = &rsp_vbnvcontext;
cec_cmd.cmd_size_in = sizeof(cmd_vbnvcontext);
cec_cmd.cmd_size_out = is_read ? sizeof(rsp_vbnvcontext) : 0;
cec_cmd.cmd_dev_index = 0;
cmd_vbnvcontext.op = is_read ? EC_VBNV_CONTEXT_OP_READ :
EC_VBNV_CONTEXT_OP_WRITE;
if (!is_read)
memcpy(&cmd_vbnvcontext.block, data, EC_VBNV_BLOCK_SIZE);
memcpy(&params.block, data, EC_VBNV_BLOCK_SIZE);
retry:
if (google_chromeec_command(&cec_cmd)) {
if (google_chromeec_command(&cmd)) {
printk(BIOS_ERR, "ERROR: failed to %s vbnv_ec context: %d\n",
is_read ? "read" : "write", (int)cec_cmd.cmd_code);
is_read ? "read" : "write", (int)cmd.cmd_code);
mdelay(10); /* just in case */
if (--retries)
goto retry;
}
if (is_read)
memcpy(data, &rsp_vbnvcontext.block, EC_VBNV_BLOCK_SIZE);
memcpy(data, &resp.block, EC_VBNV_BLOCK_SIZE);
return cec_cmd.cmd_code;
return cmd.cmd_code;
}
static uint16_t google_chromeec_get_uptime_info(
struct ec_response_uptime_info *rsp)
struct ec_response_uptime_info *resp)
{
struct chromeec_command cmd = {
.cmd_code = EC_CMD_GET_UPTIME_INFO,
.cmd_version = 0,
.cmd_data_in = NULL,
.cmd_size_in = 0,
.cmd_data_out = rsp,
.cmd_size_out = sizeof(*rsp),
.cmd_data_out = resp,
.cmd_size_out = sizeof(*resp),
.cmd_dev_index = 0,
};
google_chromeec_command(&cmd);
return cmd.cmd_code;
}
bool google_chromeec_get_ap_watchdog_flag(void)
{
struct ec_response_uptime_info rsp;
return (!google_chromeec_get_uptime_info(&rsp) &&
(rsp.ec_reset_flags & EC_RESET_FLAG_AP_WATCHDOG));
struct ec_response_uptime_info resp;
return (!google_chromeec_get_uptime_info(&resp) &&
(resp.ec_reset_flags & EC_RESET_FLAG_AP_WATCHDOG));
}
int google_chromeec_i2c_xfer(uint8_t chip, uint8_t addr, int alen,
@@ -840,66 +851,69 @@ uint64_t google_chromeec_get_wake_mask(void)
return google_chromeec_get_mask(EC_HOST_EVENT_ACTIVE_WAKE_MASK);
}
int google_chromeec_set_usb_charge_mode(u8 port_id, enum usb_charge_mode mode)
int google_chromeec_set_usb_charge_mode(uint8_t port_id, enum usb_charge_mode mode)
{
struct chromeec_command cmd;
struct ec_params_usb_charge_set_mode set_mode = {
struct ec_params_usb_charge_set_mode params = {
.usb_port_id = port_id,
.mode = mode,
};
cmd.cmd_code = EC_CMD_USB_CHARGE_SET_MODE;
cmd.cmd_version = 0;
cmd.cmd_size_in = sizeof(set_mode);
cmd.cmd_data_in = &set_mode;
cmd.cmd_size_out = 0;
cmd.cmd_data_out = NULL;
cmd.cmd_dev_index = 0;
struct chromeec_command cmd = {
.cmd_code = EC_CMD_USB_CHARGE_SET_MODE,
.cmd_version = 0,
.cmd_size_in = sizeof(params),
.cmd_data_in = &params,
.cmd_size_out = 0,
.cmd_data_out = NULL,
.cmd_dev_index = 0,
};
return google_chromeec_command(&cmd);
}
/* Get charger power info in Watts. Also returns type of charger */
int google_chromeec_get_usb_pd_power_info(enum usb_chg_type *type,
u32 *max_watts)
uint32_t *max_watts)
{
struct ec_params_usb_pd_power_info req = {
struct ec_params_usb_pd_power_info params = {
.port = PD_POWER_CHARGING_PORT,
};
struct ec_response_usb_pd_power_info rsp;
struct ec_response_usb_pd_power_info resp = {};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_USB_PD_POWER_INFO,
.cmd_version = 0,
.cmd_data_in = &req,
.cmd_size_in = sizeof(req),
.cmd_data_out = &rsp,
.cmd_size_out = sizeof(rsp),
.cmd_data_in = &params,
.cmd_size_in = sizeof(params),
.cmd_data_out = &resp,
.cmd_size_out = sizeof(resp),
.cmd_dev_index = 0,
};
struct usb_chg_measures m;
int rv = google_chromeec_command(&cmd);
int rv;
rv = google_chromeec_command(&cmd);
if (rv != 0)
return rv;
/* values are given in milliAmps and milliVolts */
*type = rsp.type;
m = rsp.meas;
*type = resp.type;
m = resp.meas;
*max_watts = (m.current_max * m.voltage_max) / 1000000;
return 0;
}
int google_chromeec_override_dedicated_charger_limit(u16 current_lim,
u16 voltage_lim)
int google_chromeec_override_dedicated_charger_limit(uint16_t current_lim,
uint16_t voltage_lim)
{
struct ec_params_dedicated_charger_limit p = {
struct ec_params_dedicated_charger_limit params = {
.current_lim = current_lim,
.voltage_lim = voltage_lim,
};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_OVERRIDE_DEDICATED_CHARGER_LIMIT,
.cmd_version = 0,
.cmd_data_in = &p,
.cmd_size_in = sizeof(p),
.cmd_data_in = &params,
.cmd_size_in = sizeof(params),
.cmd_data_out = NULL,
.cmd_size_out = 0,
.cmd_dev_index = 0,
@@ -908,22 +922,22 @@ int google_chromeec_override_dedicated_charger_limit(u16 current_lim,
return google_chromeec_command(&cmd);
}
int google_chromeec_set_usb_pd_role(u8 port, enum usb_pd_control_role role)
int google_chromeec_set_usb_pd_role(uint8_t port, enum usb_pd_control_role role)
{
struct ec_params_usb_pd_control req = {
struct ec_params_usb_pd_control params = {
.port = port,
.role = role,
.mux = USB_PD_CTRL_MUX_NO_CHANGE,
.swap = USB_PD_CTRL_SWAP_NONE,
};
struct ec_response_usb_pd_control rsp;
struct ec_response_usb_pd_control resp;
struct chromeec_command cmd = {
.cmd_code = EC_CMD_USB_PD_CONTROL,
.cmd_version = 0,
.cmd_data_in = &req,
.cmd_size_in = sizeof(req),
.cmd_data_out = &rsp,
.cmd_size_out = sizeof(rsp),
.cmd_data_in = &params,
.cmd_size_in = sizeof(params),
.cmd_data_out = &resp,
.cmd_size_out = sizeof(resp),
.cmd_dev_index = 0,
};
@@ -932,21 +946,24 @@ int google_chromeec_set_usb_pd_role(u8 port, enum usb_pd_control_role role)
static int google_chromeec_hello(void)
{
struct chromeec_command cec_cmd;
struct ec_params_hello cmd_hello;
struct ec_response_hello rsp_hello;
cmd_hello.in_data = 0x10203040;
cec_cmd.cmd_code = EC_CMD_HELLO;
cec_cmd.cmd_version = 0;
cec_cmd.cmd_data_in = &cmd_hello.in_data;
cec_cmd.cmd_data_out = &rsp_hello.out_data;
cec_cmd.cmd_size_in = sizeof(cmd_hello.in_data);
cec_cmd.cmd_size_out = sizeof(rsp_hello.out_data);
cec_cmd.cmd_dev_index = 0;
google_chromeec_command(&cec_cmd);
printk(BIOS_DEBUG, "Google Chrome EC: Hello got back %x status (%x)\n",
rsp_hello.out_data, cec_cmd.cmd_code);
return cec_cmd.cmd_code;
struct ec_params_hello params = {
.in_data = 0x10203040,
};
struct ec_response_hello resp = {};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_HELLO,
.cmd_version = 0,
.cmd_data_in = &params,
.cmd_data_out = &resp,
.cmd_size_in = sizeof(params),
.cmd_size_out = sizeof(resp),
.cmd_dev_index = 0,
};
int rv = google_chromeec_command(&cmd);
if (rv)
return -1;
return 0;
}
/*
@@ -1074,29 +1091,29 @@ static int ec_image_type; /* Cached EC image type (ro or rw). */
void google_chromeec_init(void)
{
struct chromeec_command cec_cmd;
struct ec_response_get_version cec_resp = {{0}};
struct ec_response_get_version resp = {};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_GET_VERSION,
.cmd_version = 0,
.cmd_data_out = &resp,
.cmd_size_in = 0,
.cmd_size_out = sizeof(resp),
.cmd_dev_index = 0,
};
google_chromeec_hello();
google_chromeec_command(&cmd);
cec_cmd.cmd_code = EC_CMD_GET_VERSION;
cec_cmd.cmd_version = 0;
cec_cmd.cmd_data_out = &cec_resp;
cec_cmd.cmd_size_in = 0;
cec_cmd.cmd_size_out = sizeof(cec_resp);
cec_cmd.cmd_dev_index = 0;
google_chromeec_command(&cec_cmd);
if (cec_cmd.cmd_code) {
if (cmd.cmd_code) {
printk(BIOS_DEBUG,
"Google Chrome EC: version command failed!\n");
"Google Chrome EC: version command failed!\n");
} else {
printk(BIOS_DEBUG, "Google Chrome EC: version:\n");
printk(BIOS_DEBUG, " ro: %s\n", cec_resp.version_string_ro);
printk(BIOS_DEBUG, " rw: %s\n", cec_resp.version_string_rw);
printk(BIOS_DEBUG, " ro: %s\n", resp.version_string_ro);
printk(BIOS_DEBUG, " rw: %s\n", resp.version_string_rw);
printk(BIOS_DEBUG, " running image: %d\n",
cec_resp.current_image);
ec_image_type = cec_resp.current_image;
resp.current_image);
ec_image_type = resp.current_image;
}
google_chromeec_log_uptimeinfo();
@@ -1115,21 +1132,22 @@ int google_ec_running_ro(void)
*/
int google_chromeec_pd_get_amode(uint16_t svid)
{
struct ec_response_usb_pd_ports r;
struct chromeec_command cmd;
struct ec_response_usb_pd_ports resp;
struct chromeec_command cmd = {
.cmd_code = EC_CMD_USB_PD_PORTS,
.cmd_version = 0,
.cmd_data_in = NULL,
.cmd_size_in = 0,
.cmd_data_out = &resp,
.cmd_size_out = sizeof(resp),
.cmd_dev_index = 0,
};
int i;
cmd.cmd_code = EC_CMD_USB_PD_PORTS;
cmd.cmd_version = 0;
cmd.cmd_data_in = NULL;
cmd.cmd_size_in = 0;
cmd.cmd_data_out = &r;
cmd.cmd_size_out = sizeof(r);
cmd.cmd_dev_index = 0;
if (google_chromeec_command(&cmd) < 0)
return -1;
for (i = 0; i < r.num_ports; i++) {
for (i = 0; i < resp.num_ports; i++) {
struct ec_params_usb_pd_get_mode_request p;
struct ec_params_usb_pd_get_mode_response res;
int svid_idx = 0;
@@ -1158,7 +1176,6 @@ int google_chromeec_pd_get_amode(uint16_t svid)
return 0;
}
#define USB_SID_DISPLAYPORT 0xff01
/**

18
src/ec/google/chromeec/ec.h
View File

@@ -30,7 +30,7 @@ uint64_t google_chromeec_get_wake_mask(void);
int google_chromeec_set_sci_mask(uint64_t mask);
int google_chromeec_set_smi_mask(uint64_t mask);
int google_chromeec_set_wake_mask(uint64_t mask);
u8 google_chromeec_get_event(void);
uint8_t google_chromeec_get_event(void);
/* Check if EC supports feature EC_FEATURE_UNIFIED_WAKE_MASKS */
bool google_chromeec_is_uhepi_supported(void);
@@ -56,12 +56,12 @@ uint8_t google_chromeec_calc_checksum(const uint8_t *data, int size);
* This function is used to get the board version information from EC.
*/
int google_chromeec_get_board_version(uint32_t *version);
u32 google_chromeec_get_sku_id(void);
int google_chromeec_set_sku_id(u32 skuid);
uint32_t google_chromeec_get_sku_id(void);
int google_chromeec_set_sku_id(uint32_t skuid);
uint64_t google_chromeec_get_events_b(void);
int google_chromeec_clear_events_b(uint64_t mask);
int google_chromeec_kbbacklight(int percent);
void google_chromeec_post(u8 postcode);
void google_chromeec_post(uint8_t postcode);
int google_chromeec_vbnv_context(int is_read, uint8_t *data, int len);
uint8_t google_chromeec_get_switches(void);
bool google_chromeec_get_ap_watchdog_flag(void);
@@ -95,8 +95,8 @@ int google_chromeec_cbi_get_oem_name(char *buf, size_t bufsize);
#define MEC_EMI_RANGE_START EC_HOST_CMD_REGION0
#define MEC_EMI_RANGE_END (EC_LPC_ADDR_MEMMAP + EC_MEMMAP_SIZE)
int google_chromeec_set_usb_charge_mode(u8 port_id, enum usb_charge_mode mode);
int google_chromeec_set_usb_pd_role(u8 port, enum usb_pd_control_role role);
int google_chromeec_set_usb_charge_mode(uint8_t port_id, enum usb_charge_mode mode);
int google_chromeec_set_usb_pd_role(uint8_t port, enum usb_pd_control_role role);
/*
* Retrieve the charger type and max wattage.
*
@@ -105,7 +105,7 @@ int google_chromeec_set_usb_pd_role(u8 port, enum usb_pd_control_role role);
* @return non-zero for error, otherwise 0.
*/
int google_chromeec_get_usb_pd_power_info(enum usb_chg_type *type,
u32 *max_watts);
uint32_t *max_watts);
/*
* Set max current and voltage of a dedicated charger.
@@ -114,8 +114,8 @@ int google_chromeec_get_usb_pd_power_info(enum usb_chg_type *type,
* @param voltage_lim Max voltage in mV
* @return non-zero for error, otherwise 0.
*/
int google_chromeec_override_dedicated_charger_limit(u16 current_lim,
u16 voltage_lim);
int google_chromeec_override_dedicated_charger_limit(uint16_t current_lim,
uint16_t voltage_lim);
/* internal structure to send a command to the EC and wait for response. */
struct chromeec_command {