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[83.57.169.13]) by smtp.gmail.com with ESMTPSA id q6sm17888028wmj.32.2021.01.24.12.28.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Jan 2021 12:28:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=0OXE2ghwu/u4aUK+J3Nc88xMP1SZwgJgIRrsmYs8INU=; b=Fpg6V24l1DjGB4gs7vV+NgtFU504NpKBadkEWUju0Iy2nhqjR8OZYnehu+mDw5LNLs WDjpjdwbN2Nv0Oufxba5oVgq50OLWp318wele7ILzxgfi7p/t+e9uWKdLJ0lw5MlhePV u3vIwm5idR92Nb0NY4vnRr1C0YoDInsy36mKpIhX5qWCViXig3oZHor+ykCxkVXXB5Ha nUbiKvww8Bm7Ff8/xaIg/9cl+boz6/u+ulTFsQm28bjA/eNaLS1X46tts6uQBOH+hzgb eSyULyhF1OfQUJJrQg9LgfQJ5xVdYAWDhMEz0RPgISxGmhnCbWlPvr+XKloOj9dha239 MVDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=0OXE2ghwu/u4aUK+J3Nc88xMP1SZwgJgIRrsmYs8INU=; b=F+h+gXhdBigtWPcgQz/+JsZ8ybTXNda37zIQWcIylBFTl3kelV5g0eLCT6cPo0yxen XyddnjFBtTj2mqRttzhR4o00MWLN/dh/u1AwThxuwTB+lh9sX93IMqc0X5SvAxYIDMFM 4ZZnkWeru2JmeBfDfZ7UiRqpWebPtr3GRFZYIpgkLzC4i+0kXzA0YQwvhn2dyOg21rNv 4fp0QxVstj9+cmI+enoBxPE2YmvARwY4K7D7g7czv3FKzM6LE6/FI3f6mxK5JPw09cWq R6dMbAEAERWvKUA6NGa7bYE3047FW4/qLustH/B1jBMWjNGLZKS94gEUZcNLDpdUCk2b vofg== X-Gm-Message-State: AOAM532FWHOcSCMZqHgsWur9AlIFxhs32mlz2j29z9p4HRgkjgVaLBTL u28pvcEixYxw1qtVVMW1Zs8= X-Google-Smtp-Source: ABdhPJwWU7fdvvd14ySUsV82xUMtCofipzK9ODnEz2vI4g52A+uetBU9wf2OEApHMMmdu7SC9FXL3w== X-Received: by 2002:a7b:c7c8:: with SMTP id z8mr3993239wmk.72.1611520120615; Sun, 24 Jan 2021 12:28:40 -0800 (PST) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org, Bin Meng Cc: Alistair Francis , qemu-block@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Pragnesh Patel , Bin Meng Subject: [PATCH v3 4/6] hw/sd: Introduce receive_ready() callback Date: Sun, 24 Jan 2021 21:28:15 +0100 Message-Id: <20210124202817.2624557-5-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210124202817.2624557-1-f4bug@amsat.org> References: <20210124202817.2624557-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) From: Bin Meng At present there is a data_ready() callback for the SD data read path. Let's add a receive_ready() for the SD data write path. Signed-off-by: Bin Meng Reviewed-by: Philippe Mathieu-Daud=C3=A9 Acked-by: Alistair Francis Message-Id: <20210123104016.17485-16-bmeng.cn@gmail.com> Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- include/hw/sd/sd.h | 2 ++ hw/sd/core.c | 13 +++++++++++++ hw/sd/sd.c | 6 ++++++ 3 files changed, 21 insertions(+) diff --git a/include/hw/sd/sd.h b/include/hw/sd/sd.h index 05ef9b73e56..47360ba4ee9 100644 --- a/include/hw/sd/sd.h +++ b/include/hw/sd/sd.h @@ -116,6 +116,7 @@ struct SDCardClass { * Return: byte value read */ uint8_t (*read_byte)(SDState *sd); + bool (*receive_ready)(SDState *sd); bool (*data_ready)(SDState *sd); void (*set_voltage)(SDState *sd, uint16_t millivolts); uint8_t (*get_dat_lines)(SDState *sd); @@ -187,6 +188,7 @@ void sdbus_write_data(SDBus *sdbus, const void *buf, si= ze_t length); * Read multiple bytes of data on the data lines of a SD bus. */ void sdbus_read_data(SDBus *sdbus, void *buf, size_t length); +bool sdbus_receive_ready(SDBus *sd); bool sdbus_data_ready(SDBus *sd); bool sdbus_get_inserted(SDBus *sd); bool sdbus_get_readonly(SDBus *sd); diff --git a/hw/sd/core.c b/hw/sd/core.c index 08c93b59034..30ee62c5106 100644 --- a/hw/sd/core.c +++ b/hw/sd/core.c @@ -160,6 +160,19 @@ void sdbus_read_data(SDBus *sdbus, void *buf, size_t l= ength) } } =20 +bool sdbus_receive_ready(SDBus *sdbus) +{ + SDState *card =3D get_card(sdbus); + + if (card) { + SDCardClass *sc =3D SD_CARD_GET_CLASS(card); + + return sc->receive_ready(card); + } + + return false; +} + bool sdbus_data_ready(SDBus *sdbus) { SDState *card =3D get_card(sdbus); diff --git a/hw/sd/sd.c b/hw/sd/sd.c index 946036d87cb..c99c0e93bb8 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -2037,6 +2037,11 @@ uint8_t sd_read_byte(SDState *sd) return ret; } =20 +static bool sd_receive_ready(SDState *sd) +{ + return sd->state =3D=3D sd_receivingdata_state; +} + static bool sd_data_ready(SDState *sd) { return sd->state =3D=3D sd_sendingdata_state; @@ -2147,6 +2152,7 @@ static void sd_class_init(ObjectClass *klass, void *d= ata) sc->do_command =3D sd_do_command; sc->write_byte =3D sd_write_byte; sc->read_byte =3D sd_read_byte; + sc->receive_ready =3D sd_receive_ready; sc->data_ready =3D sd_data_ready; sc->enable =3D sd_enable; sc->get_inserted =3D sd_get_inserted; --=20 2.26.2