From patchwork Mon Nov 22 11:11:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Perrot X-Patchwork-Id: 12631689 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 760A2C433F5 for ; Mon, 22 Nov 2021 11:13:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236206AbhKVLQu (ORCPT ); Mon, 22 Nov 2021 06:16:50 -0500 Received: from relay10.mail.gandi.net ([217.70.178.230]:46471 "EHLO relay10.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235881AbhKVLQu (ORCPT ); Mon, 22 Nov 2021 06:16:50 -0500 Received: (Authenticated sender: thomas.perrot@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id 6396724000F; Mon, 22 Nov 2021 11:13:40 +0000 (UTC) From: Thomas Perrot To: linux-arm-msm@vger.kernel.org Cc: mani@kernel.org, hemantk@codeaurora.org, aleksander@aleksander.es, Thomas Perrot Subject: [PATCH] bus: mhi: pci_generic: Introduce Sierra EM919X support Date: Mon, 22 Nov 2021 12:11:35 +0100 Message-Id: <20211122111135.3272126-1-thomas.perrot@bootlin.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add support for EM919X modems, this modem series is based on SDX55 qcom chip. Tested-by: Aleksander Morgado Signed-off-by: Thomas Perrot --- drivers/bus/mhi/pci_generic.c | 43 +++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c index 59a4896a8030..076a951fd587 100644 --- a/drivers/bus/mhi/pci_generic.c +++ b/drivers/bus/mhi/pci_generic.c @@ -403,7 +403,50 @@ static const struct mhi_pci_dev_info mhi_mv31_info = { .dma_data_width = 32, }; +static const struct mhi_channel_config mhi_sierra_em919x_channels[] = { + MHI_CHANNEL_CONFIG_UL_SBL(2, "SAHARA", 32, 0), + MHI_CHANNEL_CONFIG_DL_SBL(3, "SAHARA", 256, 0), + MHI_CHANNEL_CONFIG_UL(4, "DIAG", 32, 0), + MHI_CHANNEL_CONFIG_DL(5, "DIAG", 32, 0), + MHI_CHANNEL_CONFIG_UL(12, "MBIM", 128, 0), + MHI_CHANNEL_CONFIG_DL(13, "MBIM", 128, 0), + MHI_CHANNEL_CONFIG_UL(14, "QMI", 32, 0), + MHI_CHANNEL_CONFIG_DL(15, "QMI", 32, 0), + MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0), + MHI_CHANNEL_CONFIG_DL(33, "DUN", 32, 0), + MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0", 512, 1), + MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0", 512, 2), +}; + +static struct mhi_event_config modem_sierra_em919x_mhi_events[] = { + /* first ring is control+data and DIAG ring */ + MHI_EVENT_CONFIG_CTRL(0, 2048), + /* Hardware channels request dedicated hardware event rings */ + MHI_EVENT_CONFIG_HW_DATA(1, 2048, 100), + MHI_EVENT_CONFIG_HW_DATA(2, 2048, 101) +}; + +static const struct mhi_controller_config modem_sierra_em919x_config = { + .max_channels = 128, + .timeout_ms = 24000, + .num_channels = ARRAY_SIZE(mhi_sierra_em919x_channels), + .ch_cfg = mhi_sierra_em919x_channels, + .num_events = ARRAY_SIZE(modem_sierra_em919x_mhi_events), + .event_cfg = modem_sierra_em919x_mhi_events, +}; + +static const struct mhi_pci_dev_info mhi_sierra_em919x_info = { + .name = "sierra-em919x", + .config = &modem_sierra_em919x_config, + .bar_num = MHI_PCI_DEFAULT_BAR_NUM, + .dma_data_width = 32, + .sideband_wake = false, +}; + static const struct pci_device_id mhi_pci_id_table[] = { + /* EM919x (sdx55), use the same vid:pid as qcom-sdx55m */ + { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0306, 0x18d7, 0x0200), + .driver_data = (kernel_ulong_t) &mhi_sierra_em919x_info }, { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0306), .driver_data = (kernel_ulong_t) &mhi_qcom_sdx55_info }, { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0304),