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[34.125.73.210]) by smtp.gmail.com with ESMTPSA id h7-20020a170902680700b001e2b4f513e1sm7880850plk.106.2024.04.08.19.27.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Apr 2024 19:27:40 -0700 (PDT) From: Pavan Holla Date: Tue, 09 Apr 2024 02:27:36 +0000 Subject: [PATCH v4 1/2] platform/chrome: Update ChromeOS EC header for UCSI Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240409-public-ucsi-h-v4-1-e770735222a2@chromium.org> References: <20240409-public-ucsi-h-v4-0-e770735222a2@chromium.org> In-Reply-To: <20240409-public-ucsi-h-v4-0-e770735222a2@chromium.org> To: Greg Kroah-Hartman , Heikki Krogerus , Benson Leung , Tzung-Bi Shih , Guenter Roeck Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Abhishek Pandit-Subedi , chrome-platform@lists.linux.dev, Pavan Holla X-Mailer: b4 0.12.4 Add EC host commands for reading and writing UCSI structures in the EC. The corresponding kernel driver is cros-ec-ucsi. Also update PD events supported by the EC. Signed-off-by: Pavan Holla --- include/linux/platform_data/cros_ec_commands.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h index ecc47d5fe239..c0f6d054a566 100644 --- a/include/linux/platform_data/cros_ec_commands.h +++ b/include/linux/platform_data/cros_ec_commands.h @@ -4933,6 +4933,8 @@ struct ec_response_pd_status { #define PD_EVENT_POWER_CHANGE BIT(1) #define PD_EVENT_IDENTITY_RECEIVED BIT(2) #define PD_EVENT_DATA_SWAP BIT(3) +#define PD_EVENT_TYPEC BIT(4) +#define PD_EVENT_PPM BIT(5) struct ec_response_host_event_status { uint32_t status; /* PD MCU host event status */ } __ec_align4; @@ -5994,6 +5996,24 @@ struct ec_response_typec_vdm_response { #undef VDO_MAX_SIZE +/* + * Read/write interface for UCSI OPM <-> PPM communication. + */ +#define EC_CMD_UCSI_PPM_SET 0x0140 + +/* The data size is stored in the host command protocol header. */ +struct ec_params_ucsi_ppm_set { + uint16_t offset; + uint8_t data[]; +} __ec_align2; + +#define EC_CMD_UCSI_PPM_GET 0x0141 + +struct ec_params_ucsi_ppm_get { + uint16_t offset; + uint8_t size; +} __ec_align2; + /*****************************************************************************/ /* The command range 0x200-0x2FF is reserved for Rotor. */