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Tue, 07 Jul 2020 07:46:41 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 7 Jul 2020 08:46:35 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 7 Jul 2020 23:46:24 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 7 Jul 2020 23:46:24 +0800 From: Dennis YC Hsieh To: Matthias Brugger , Philipp Zabel , David Airlie , Daniel Vetter , CK Hu , Bibby Hsieh , Houlong Wei Subject: [PATCH v3 5/9] soc: mediatek: cmdq: add write_s value function Date: Tue, 7 Jul 2020 23:45:10 +0800 Message-ID: <1594136714-11650-6-git-send-email-dennis-yc.hsieh@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1594136714-11650-1-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1594136714-11650-1-git-send-email-dennis-yc.hsieh@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 9B94CC75E090C158ED8DCA63F637843D9DB17E92CEA15E5AB79417A439FEEA202000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200707_114646_405683_F1CE5F96 X-CRM114-Status: GOOD ( 12.64 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: wsd_upstream@mediatek.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, HS Liao , Dennis YC Hsieh , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org add write_s function in cmdq helper functions which writes a constant value to address with large dma access support. Signed-off-by: Dennis YC Hsieh --- drivers/soc/mediatek/mtk-cmdq-helper.c | 14 ++++++++++++++ include/linux/soc/mediatek/mtk-cmdq.h | 13 +++++++++++++ 2 files changed, 27 insertions(+) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index ed9f5e63c195..4e86b65815fc 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -280,6 +280,20 @@ int cmdq_pkt_write_s_mask(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, } EXPORT_SYMBOL(cmdq_pkt_write_s_mask); +int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx, + u16 addr_low, u32 value) +{ + struct cmdq_instruction inst = {}; + + inst.op = CMDQ_CODE_WRITE_S; + inst.sop = high_addr_reg_idx; + inst.offset = addr_low; + inst.value = value; + + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_write_s_value); + int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event) { struct cmdq_instruction inst = { {0} }; diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index cd7ec714344e..ae73e10da274 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -152,6 +152,19 @@ int cmdq_pkt_write_s_mask(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, u16 addr_low, u16 src_reg_idx, u32 mask); /** + * cmdq_pkt_write_s_value() - append write_s command to the CMDQ packet which + * write value to a physical address + * @pkt: the CMDQ packet + * @high_addr_reg_idx: internal register ID which contains high address of pa + * @addr_low: low address of pa + * @value: the specified target value + * + * Return: 0 for success; else the error code is returned + */ +int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx, + u16 addr_low, u32 value); + +/** * cmdq_pkt_wfe() - append wait for event command to the CMDQ packet * @pkt: the CMDQ packet * @event: the desired event type to "wait and CLEAR"