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Add USB-PD mode commands.

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These commands (pdgetmode & pdsetmode) will provide host with ability
to identify USB-PD alternate mode devices SVIDs and supported modes.
It will also allow host to set mode on devices which support multiple
alternate modes.

Signed-off-by: Todd Broch <tbroch@chromium.org>

BRANCH=samus
BUG=chrome-os-partner:33946
TEST=manual

Plug hoho/dingdong into samus at port <port>

  ectool --name cros_pd pdgetmode <port>
  *SVID:0xff01 *0x00001085  0x00000000  0x00000000  0x00000000  0x00000000  0x00000000
   SVID:0x18d1  0x00000001  0x00000000  0x00000000  0x00000000  0x00000000  0x00000000

  ectool --name cros_pd pdsetmode <port> 0x18d1 1
  ectool --name cros_pd pdgetmode <port>
   SVID:0xff01  0x00001085  0x00000000  0x00000000  0x00000000  0x00000000  0x00000000
  *SVID:0x18d1 *0x00000001  0x00000000  0x00000000  0x00000000  0x00000000  0x00000000

  ectool --name cros_pd infopddev <port>
  Port:1 DevId:4.1 Hash: 0x042cc79c 0x30cc12e3 0xe27a36e5 0x3f7eba5f 0x053c91d1
  Port:1 ptype:5 vid:0x18d1 pid:0x5010

Also from samus_pd console see proper result for 'typec <port>'

  typec 1
  Port C1: CC1 178 mV  CC2 427 mV (polarity:CC2)
  No Superspeed connection

Also visually inspect packets via twinkie.

Change-Id: I4e442bcb39ec1ff3cb6efff196a660819077ad76
Reviewed-on: https://chromium-review.googlesource.com/231834
Tested-by: Todd Broch <tbroch@chromium.org>
Reviewed-by: Alec Berg <alecaberg@chromium.org>
This commit is contained in:
Todd Broch
2014-11-20 17:24:27 -08:00
committed by ChromeOS Commit Bot
parent 16655133ee
commit abecc13a87
4 changed files with 185 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
include/ec_commands.h
View File

@@ -2920,6 +2920,28 @@ struct ec_response_pd_log {
#define PS_FAULT_OVP 3
#define PS_FAULT_DISCH 4
/* Get/Set USB-PD Alternate mode info */
#define EC_CMD_USB_PD_GET_AMODE 0x116
struct ec_params_usb_pd_get_mode_request {
uint16_t svid_idx; /* SVID index to get */
uint8_t port; /* port */
} __packed;
struct ec_params_usb_pd_get_mode_response {
uint16_t svid; /* SVID */
uint8_t active; /* Active SVID */
uint8_t idx; /* Index of active mode VDO. Ignored if !active */
uint32_t vdo[6]; /* Mode VDOs */
} __packed;
#define EC_CMD_USB_PD_SET_AMODE 0x117
struct ec_params_usb_pd_set_mode_request {
int opos; /* Object Position */
int svid_idx; /* Index of svid to get */
uint16_t svid; /* SVID to set */
uint8_t port; /* port */
} __packed;
#endif /* !__ACPI__ */
/*****************************************************************************/