From patchwork Wed Nov 22 23:09:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Elder X-Patchwork-Id: 13465534 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="rLBVzgs1" Received: from mail-il1-x12d.google.com (mail-il1-x12d.google.com [IPv6:2607:f8b0:4864:20::12d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 15F40D42 for ; Wed, 22 Nov 2023 15:09:18 -0800 (PST) Received: by mail-il1-x12d.google.com with SMTP id e9e14a558f8ab-3594c100735so894965ab.1 for ; Wed, 22 Nov 2023 15:09:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1700694557; x=1701299357; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=UZf5YHbhcbeS57bvX0d7nyKtoOQx7TeuCp4s7XpeiHk=; b=rLBVzgs1wAPd46J70F9TjjxkX2xnQA7hzV1MIB0lvi0/PIGJOSa1e4vjlcoNjBghac as/jRZqpw4Cs7tKwugH5WRmjX4s660O4F8bSLM8GXe6LmTp297rqdeS3YK/f+ii40DHD ZJ5viD+o7OcEG6oeDhJ2Gs3emiasrQhz4HrAGkw6PzXlHvhQTbba5rQFDdp9FyAil2JZ 7DboGGnOJYHzFheJReGRIL2yhS0xXSa1t9m/cFqZVv4cY25iI2RAp3KUsNK5XUaFqpDv BmLMG0fouw5ysDbJWVKN9cVdZaKeZ5gWjOERnW+8i/s31YDjZDusK8AGbidG7gc1rAo2 uoHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700694557; x=1701299357; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=UZf5YHbhcbeS57bvX0d7nyKtoOQx7TeuCp4s7XpeiHk=; b=JDVeAo9Fc9qrcCxA+8x99TFShlisoS9FubDXdgiPFkIfFh0z7OHulbhPO6aWEn27Eq w37ntsEB35MQmJhBg76UepytGdG+uFWa1+Q5ZtzPhfXkTTdh7AmbbBjfrLIQKhxXweA6 9rIUQia0ku4u42u92+b0KigR4u5EH+Hb0WHhMqqT5HJksCd0c1bLxd3AEBhGUbtY1OU0 9uxh2ZMYD1mN0BjwSsMrTcAtXQ5FSEyyskZm9J0ddQjrs0tSPQoBOpmjZUgMPalZZX6u LJH5FamyEGV3eCns9mMlI3pmIdLjKauHel0iOUojPaihoeKduFnNcDHzS496a4Dz/ZDy Yopw== X-Gm-Message-State: AOJu0Yz7WtaWKe3eYnbia6O9TNmhj/GMekhlThW/wSMqYFaMY041qrVh a/B6HYLldEN0rhkZ8cueSxdvtg== X-Google-Smtp-Source: AGHT+IEfjpYWs3J+rg1YT6DrvMGYXJRFcAQx/1a3k54mm8zLVVoK0kvzyQyY2FB5iMNa8151Z7QUGg== X-Received: by 2002:a92:c5c9:0:b0:357:592a:8c4a with SMTP id s9-20020a92c5c9000000b00357592a8c4amr801254ilt.12.1700694557360; Wed, 22 Nov 2023 15:09:17 -0800 (PST) Received: from localhost.localdomain (c-98-61-227-136.hsd1.mn.comcast.net. [98.61.227.136]) by smtp.gmail.com with ESMTPSA id fm29-20020a0566382b1d00b0043a20ad93c8sm117754jab.41.2023.11.22.15.09.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Nov 2023 15:09:17 -0800 (PST) From: Alex Elder To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: andersson@kernel.org, konrad.dybcio@linaro.org, agross@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, mka@chromium.org, quic_cpratapa@quicinc.com, quic_avuyyuru@quicinc.com, quic_jponduru@quicinc.com, quic_subashab@quicinc.com, elder@kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next 3/5] net: ipa: prepare for IPA v5.5 Date: Wed, 22 Nov 2023 17:09:07 -0600 Message-Id: <20231122230909.895482-4-elder@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231122230909.895482-1-elder@linaro.org> References: <20231122230909.895482-1-elder@linaro.org> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 For IPA v5.5+, the QTIME_TIMESTAMP_CFG register no longer defines two fields in the DPL timestamp. Make the code referencing those fields in ipa_qtime_config() conditional based on IPA version. IPA v5.0+ supports the IPA_MEM_AP_V4_FILTER and IPA_MEM_AP_V6_FILTER memory regions. Update ipa_mem_id_valid() to reflect that. IPA v5.5 no longer supports a few register fields, adds some others, and removes support for a few IPA interrupt types. Update "ipa_reg.h" to include information about IPA v5.5. Signed-off-by: Alex Elder --- drivers/net/ipa/ipa_main.c | 9 ++++++--- drivers/net/ipa/ipa_mem.c | 2 +- drivers/net/ipa/ipa_reg.h | 32 +++++++++++++++++++------------- 3 files changed, 26 insertions(+), 17 deletions(-) diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c index da853353a5c72..8893290e132b4 100644 --- a/drivers/net/ipa/ipa_main.c +++ b/drivers/net/ipa/ipa_main.c @@ -74,6 +74,7 @@ #define IPA_PAS_ID 15 /* Shift of 19.2 MHz timestamp to achieve lower resolution timestamps */ +/* IPA v5.5+ does not specify Qtime timestamp config for DPL */ #define DPL_TIMESTAMP_SHIFT 14 /* ~1.172 kHz, ~853 usec per tick */ #define TAG_TIMESTAMP_SHIFT 14 #define NAT_TIMESTAMP_SHIFT 24 /* ~1.144 Hz, ~874 msec per tick */ @@ -376,9 +377,11 @@ static void ipa_qtime_config(struct ipa *ipa) iowrite32(0, ipa->reg_virt + reg_offset(reg)); reg = ipa_reg(ipa, QTIME_TIMESTAMP_CFG); - /* Set DPL time stamp resolution to use Qtime (instead of 1 msec) */ - val = reg_encode(reg, DPL_TIMESTAMP_LSB, DPL_TIMESTAMP_SHIFT); - val |= reg_bit(reg, DPL_TIMESTAMP_SEL); + if (ipa->version < IPA_VERSION_5_5) { + /* Set DPL time stamp resolution to use Qtime (not 1 msec) */ + val = reg_encode(reg, DPL_TIMESTAMP_LSB, DPL_TIMESTAMP_SHIFT); + val |= reg_bit(reg, DPL_TIMESTAMP_SEL); + } /* Configure tag and NAT Qtime timestamp resolution as well */ val = reg_encode(reg, TAG_TIMESTAMP_LSB, TAG_TIMESTAMP_SHIFT); val = reg_encode(reg, NAT_TIMESTAMP_LSB, NAT_TIMESTAMP_SHIFT); diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c index db6ada2343afc..694960537ecda 100644 --- a/drivers/net/ipa/ipa_mem.c +++ b/drivers/net/ipa/ipa_mem.c @@ -165,7 +165,7 @@ static bool ipa_mem_id_valid(struct ipa *ipa, enum ipa_mem_id mem_id) case IPA_MEM_AP_V4_FILTER: case IPA_MEM_AP_V6_FILTER: - if (version != IPA_VERSION_5_0) + if (version < IPA_VERSION_5_0) return false; break; diff --git a/drivers/net/ipa/ipa_reg.h b/drivers/net/ipa/ipa_reg.h index aa1cbe76a4505..23231f0df93a6 100644 --- a/drivers/net/ipa/ipa_reg.h +++ b/drivers/net/ipa/ipa_reg.h @@ -277,8 +277,8 @@ enum ipa_reg_idle_indication_cfg_field_id { /* QTIME_TIMESTAMP_CFG register */ enum ipa_reg_qtime_timestamp_cfg_field_id { - DPL_TIMESTAMP_LSB, - DPL_TIMESTAMP_SEL, + DPL_TIMESTAMP_LSB, /* Not IPA v5.5+ */ + DPL_TIMESTAMP_SEL, /* Not IPA v5.5+ */ TAG_TIMESTAMP_LSB, NAT_TIMESTAMP_LSB, }; @@ -329,6 +329,7 @@ enum ipa_reg_endp_init_cfg_field_id { CS_OFFLOAD_EN, CS_METADATA_HDR_OFFSET, CS_GEN_QMB_MASTER_SEL, + PIPE_REPLICATE_EN, /* IPA v5.5+ */ }; /** enum ipa_cs_offload_en - ENDP_INIT_CFG register CS_OFFLOAD_EN field value */ @@ -387,7 +388,7 @@ enum ipa_reg_endp_init_mode_field_id { DCPH_ENABLE, /* IPA v4.5+ */ DEST_PIPE_INDEX, BYTE_THRESHOLD, - PIPE_REPLICATION_EN, + PIPE_REPLICATION_EN, /* Not IPA v5.5+ */ PAD_EN, HDR_FTCH_DISABLE, /* IPA v4.5+ */ DRBIP_ACL_ENABLE, /* IPA v4.9+ */ @@ -412,6 +413,7 @@ enum ipa_reg_endp_init_aggr_field_id { FORCE_CLOSE, HARD_BYTE_LIMIT_EN, AGGR_GRAN_SEL, + AGGR_COAL_L2, /* IPA v5.5+ */ }; /** enum ipa_aggr_en - ENDP_INIT_AGGR register AGGR_EN field value */ @@ -585,9 +587,11 @@ enum ipa_reg_endp_cache_cfg_field_id { * @IPA_IRQ_DRBIP_PKT_EXCEED_MAX_SIZE_EN: (Not currently used) * @IPA_IRQ_DRBIP_DATA_SCTR_CFG_ERROR_EN: (Not currently used) * @IPA_IRQ_DRBIP_IMM_CMD_NO_FLSH_HZRD_EN: (Not currently used) + * @IPA_IRQ_ERROR_NON_FATAL: (Not currently used) + * @IPA_IRQ_ERROR_FATAL: (Not currently used) */ enum ipa_irq_id { - IPA_IRQ_BAD_SNOC_ACCESS = 0x0, + IPA_IRQ_BAD_SNOC_ACCESS = 0x0, /* Not IPA v5.5+ */ IPA_IRQ_EOT_COAL = 0x1, /* Not IPA v3.5+ */ IPA_IRQ_UC_0 = 0x2, IPA_IRQ_UC_1 = 0x3, @@ -596,11 +600,11 @@ enum ipa_irq_id { IPA_IRQ_UC_IN_Q_NOT_EMPTY = 0x6, IPA_IRQ_UC_RX_CMD_Q_NOT_FULL = 0x7, IPA_IRQ_PROC_UC_ACK_Q_NOT_EMPTY = 0x8, - IPA_IRQ_RX_ERR = 0x9, - IPA_IRQ_DEAGGR_ERR = 0xa, - IPA_IRQ_TX_ERR = 0xb, - IPA_IRQ_STEP_MODE = 0xc, - IPA_IRQ_PROC_ERR = 0xd, + IPA_IRQ_RX_ERR = 0x9, /* Not IPA v5.5+ */ + IPA_IRQ_DEAGGR_ERR = 0xa, /* Not IPA v5.5+ */ + IPA_IRQ_TX_ERR = 0xb, /* Not IPA v5.5+ */ + IPA_IRQ_STEP_MODE = 0xc, /* Not IPA v5.5+ */ + IPA_IRQ_PROC_ERR = 0xd, /* Not IPA v5.5+ */ IPA_IRQ_TX_SUSPEND = 0xe, IPA_IRQ_TX_HOLB_DROP = 0xf, IPA_IRQ_BAM_GSI_IDLE = 0x10, @@ -613,10 +617,12 @@ enum ipa_irq_id { IPA_IRQ_GSI_EE = 0x17, IPA_IRQ_GSI_IPA_IF_TLV_RCVD = 0x18, IPA_IRQ_GSI_UC = 0x19, - IPA_IRQ_TLV_LEN_MIN_DSM = 0x1a, /* IPA v4.5+ */ - IPA_IRQ_DRBIP_PKT_EXCEED_MAX_SIZE_EN = 0x1b, /* IPA v4.9+ */ - IPA_IRQ_DRBIP_DATA_SCTR_CFG_ERROR_EN = 0x1c, /* IPA v4.9+ */ - IPA_IRQ_DRBIP_IMM_CMD_NO_FLSH_HZRD_EN = 0x1d, /* IPA v4.9+ */ + IPA_IRQ_TLV_LEN_MIN_DSM = 0x1a, /* IPA v4.5-v5.2 */ + IPA_IRQ_DRBIP_PKT_EXCEED_MAX_SIZE_EN = 0x1b, /* IPA v4.9-v5.2 */ + IPA_IRQ_DRBIP_DATA_SCTR_CFG_ERROR_EN = 0x1c, /* IPA v4.9-v5.2 */ + IPA_IRQ_DRBIP_IMM_CMD_NO_FLSH_HZRD_EN = 0x1d, /* IPA v4.9-v5.2 */ + IPA_IRQ_ERROR_NON_FATAL = 0x1e, /* IPA v5.5+ */ + IPA_IRQ_ERROR_FATAL = 0x1f, /* IPA v5.5+ */ IPA_IRQ_COUNT, /* Last; not an id */ };