A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-31 04:01:48 -04:00
Code Issues Projects Releases Packages Wiki Activity

chrome platform changes for v5.2

Browse source 
CrOS EC:
 
 - Add EC host command support using rpmsg
 - Add new CrOS USB PD logging driver
 - Transfer spi messages at high priority
 - Add support to trace CrOS EC commands
 - Minor fixes and cleanups in protocol and debugfs
 
 Wilco EC:
 
 - Standardize Wilco EC mailbox interface
 - Add h1_gpio status to debugfs
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEE6gYDF28Li+nEiKLaHwn1ewov5lgFAlzV61YACgkQHwn1ewov
 5lgEFw//S7GVmBrFxcqu5wAjF1CW+mOGi3y6nVuTAHanWG/hJGWT+itOwsdDp6c9
 TggYgohprz64JAZOPqPCTonV/qbxgsfKrSQRxFDtHH4F1iEUF46fnlsULDKi8VwM
 Qzj4g4d//ePsOwHOsYVrbJRU2qKyF6Rm2hpOxKfI9u2Dv5fxLFu6fxUhrSq1Inr6
 U67j7pxBwOnBtN2A6hMKHZaOUVkSNYT6azSPO3Z2YH0aky2Baxw/LPoRnbCNhwUQ
 iyneX5+K0wpCz2fpnBF/QSh1QBACeyfrO6HHA+flfaejhShaWttrS36Gar+sdHFN
 p6eeR1CoEJZbRY79Eetj8Cv5Be1ivVG/SC5JF4O1apAAn87wXLI6AaLG/03ul0vc
 KOkcjrXMxISRlAUr+OKD0rg3Uo2oI0ht70XMT9DDsCRNDoVHvkDQJNdkWrKq+E1c
 xL4YeLofZpcEN+Oe/WnwUZtYUdY3qcWs+C4hV+h0L0Ke5xir25DEUfF3j3J/uK2B
 JEgkTpH8j6YjbGAErBPkTxWt5HE3oWtkK4moPlrfPKfxoSo2eRDvqz68qHsgIn8p
 WBM+FSr+dQ7qyYDigMKrFSesiBpwCBI4lIgPxkvTxqbubaoZcsABHm3BUGjykXII
 E5z2qsgRnDrB+uGGDkTvDoR0Kr3U0hGlag7u/N61H86PoiMLUig=
 =NF5N
 -----END PGP SIGNATURE-----

Merge tag 'tag-chrome-platform-for-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Benson Leung:
 "CrOS EC:
   - Add EC host command support using rpmsg
   - Add new CrOS USB PD logging driver
   - Transfer spi messages at high priority
   - Add support to trace CrOS EC commands
   - Minor fixes and cleanups in protocol and debugfs

  Wilco EC:
   - Standardize Wilco EC mailbox interface
   - Add h1_gpio status to debugfs"

* tag 'tag-chrome-platform-for-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: cros_ec_proto: Add trace event to trace EC commands
  platform/chrome: cros_ec_debugfs: Use cros_ec_cmd_xfer_status helper
  platform/chrome: cros_ec: Add EC host command support using rpmsg
  platform/chrome: wilco_ec: Add h1_gpio status to debugfs
  platform/chrome: wilco_ec: Standardize mailbox interface
  platform/chrome: cros_ec_proto: check for NULL transfer function
  platform/chrome: Add CrOS USB PD logging driver
  platform/chrome: cros_ec_spi: Transfer messages at high priority
  platform/chrome: cros_ec_debugfs: no need to check return value of debugfs_create functions
  platform/chrome: cros_ec_debugfs: Remove dev_warn when console log is not supported
This commit is contained in:
Linus Torvalds 2019-05-12 07:00:21 -04:00
commit 47782361ac
14 changed files with 984 additions and 183 deletions
Download patch file Download diff file Expand all files Collapse all files

63
drivers/rtc/rtc-wilco-ec.c
View file

@ -21,8 +21,20 @@
#define EC_CMOS_TOD_WRITE 0x02
#define EC_CMOS_TOD_READ 0x08
/* Message sent to the EC to request the current time. */
struct ec_rtc_read_request {
u8 command;
u8 reserved;
u8 param;
} __packed;
static struct ec_rtc_read_request read_rq = {
.command = EC_COMMAND_CMOS,
.param = EC_CMOS_TOD_READ,
};
/**
* struct ec_rtc_read - Format of RTC returned by EC.
* struct ec_rtc_read_response - Format of RTC returned by EC.
* @reserved: Unused byte
* @second: Second value (0..59)
* @minute: Minute value (0..59)
* @hour: Hour value (0..23)
@ -33,7 +45,8 @@
*
* All values are presented in binary (not BCD).
*/
struct ec_rtc_read {
struct ec_rtc_read_response {
u8 reserved;
u8 second;
u8 minute;
u8 hour;
@ -44,8 +57,10 @@ struct ec_rtc_read {
} __packed;
/**
* struct ec_rtc_write - Format of RTC sent to the EC.
* @param: EC_CMOS_TOD_WRITE
* struct ec_rtc_write_request - Format of RTC sent to the EC.
* @command: Always EC_COMMAND_CMOS
* @reserved: Unused byte
* @param: Always EC_CMOS_TOD_WRITE
* @century: Century value (full year / 100)
* @year: Year value (full year % 100)
* @month: Month value (1..12)
@ -57,7 +72,9 @@ struct ec_rtc_read {
*
* All values are presented in BCD.
*/
struct ec_rtc_write {
struct ec_rtc_write_request {
u8 command;
u8 reserved;
u8 param;
u8 century;
u8 year;
@ -72,19 +89,17 @@ struct ec_rtc_write {
static int wilco_ec_rtc_read(struct device *dev, struct rtc_time *tm)
{
struct wilco_ec_device *ec = dev_get_drvdata(dev->parent);
u8 param = EC_CMOS_TOD_READ;
struct ec_rtc_read rtc;
struct wilco_ec_message msg = {
.type = WILCO_EC_MSG_LEGACY,
.flags = WILCO_EC_FLAG_RAW_RESPONSE,
.command = EC_COMMAND_CMOS,
.request_data = &param,
.request_size = sizeof(param),
.response_data = &rtc,
.response_size = sizeof(rtc),
};
struct ec_rtc_read_response rtc;
struct wilco_ec_message msg;
int ret;
memset(&msg, 0, sizeof(msg));
msg.type = WILCO_EC_MSG_LEGACY;
msg.request_data = &read_rq;
msg.request_size = sizeof(read_rq);
msg.response_data = &rtc;
msg.response_size = sizeof(rtc);
ret = wilco_ec_mailbox(ec, &msg);
if (ret < 0)
return ret;
@ -106,14 +121,8 @@ static int wilco_ec_rtc_read(struct device *dev, struct rtc_time *tm)
static int wilco_ec_rtc_write(struct device *dev, struct rtc_time *tm)
{
struct wilco_ec_device *ec = dev_get_drvdata(dev->parent);
struct ec_rtc_write rtc;
struct wilco_ec_message msg = {
.type = WILCO_EC_MSG_LEGACY,
.flags = WILCO_EC_FLAG_RAW_RESPONSE,
.command = EC_COMMAND_CMOS,
.request_data = &rtc,
.request_size = sizeof(rtc),
};
struct ec_rtc_write_request rtc;
struct wilco_ec_message msg;
int year = tm->tm_year + 1900;
/*
* Convert from 0=Sunday to 0=Saturday for the EC
@ -123,6 +132,7 @@ static int wilco_ec_rtc_write(struct device *dev, struct rtc_time *tm)
int wday = tm->tm_wday == 6 ? 0 : tm->tm_wday + 1;
int ret;
rtc.command = EC_COMMAND_CMOS;
rtc.param = EC_CMOS_TOD_WRITE;
rtc.century = bin2bcd(year / 100);
rtc.year = bin2bcd(year % 100);
@ -133,6 +143,11 @@ static int wilco_ec_rtc_write(struct device *dev, struct rtc_time *tm)
rtc.second = bin2bcd(tm->tm_sec);
rtc.weekday = bin2bcd(wday);
memset(&msg, 0, sizeof(msg));
msg.type = WILCO_EC_MSG_LEGACY;
msg.request_data = &rtc;
msg.request_size = sizeof(rtc);
ret = wilco_ec_mailbox(ec, &msg);
if (ret < 0)
return ret;