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Sun, 15 Dec 2024 14:44:18 -0800 (PST) Received: from umbar.lan ([192.130.178.90]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-303441a41d1sm7201701fa.100.2024.12.15.14.44.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 15 Dec 2024 14:44:16 -0800 (PST) From: Dmitry Baryshkov Date: Mon, 16 Dec 2024 00:44:07 +0200 Subject: [PATCH v4 02/16] drm/msm/dp: use msm_dp_utils_pack_sdp_header() for audio packets MIME-Version: 1.0 Message-Id: <20241216-fd-dp-audio-fixup-v4-2-f8d1961cf22f@linaro.org> References: <20241216-fd-dp-audio-fixup-v4-0-f8d1961cf22f@linaro.org> In-Reply-To: <20241216-fd-dp-audio-fixup-v4-0-f8d1961cf22f@linaro.org> To: Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Paloma Arellano Cc: Douglas Anderson , Stephen Boyd , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=15188; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=zZAoMMPsb9fb/oDQ7+LF8Eb34eAsmWspMbb/qgrfju8=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBnX1u5TwuQ3amRfpEpvPRxw+KJuZGrZ8KSHosNv zQhgLPFP9uJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZ19buQAKCRCLPIo+Aiko 1ST0B/42Hpd9NlyS95eb7PBhy/HjkrlUc578i7vTzoV4+wwO8hgbmNySWlt/D0G56j+WA8Z+YZK UeQzBQKuG/lGB5aCfooaPLnyPtK0537p0yYhnQ47SA5ywXCLru5TVu4enQ5ldGDUeVQJi0WjaYN 3Q/f1zixMFUcsa43gMvdFRZc/aMOcKGfhYkk8Dy71kfWLc7T7gYfOJXVsODlHGwtopM4CsBAdL+ 40lHnHRJ6InChSgsOsTOdMPaFhUPxxvZvgcRPnyP7A5SP0p4xjrYdZj2ONf99fgrrldNM8I/+/+ RnTdQmg5CqJpkp55sABfpav9roPo4y0qnDAbeQ9TuXV/JOOX X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Use msm_dp_utils_pack_sdp_header() and call msm_dp_write_link() directly to program audio packet data. Use 0 as Packet ID, as it was not programmed earlier. Signed-off-by: Dmitry Baryshkov Reviewed-by: Stephen Boyd Tested-by: Stephen Boyd # sc7180-trogdor Reviewed-by: Abhinav Kumar --- drivers/gpu/drm/msm/dp/dp_audio.c | 268 ++++++------------------------------ drivers/gpu/drm/msm/dp/dp_catalog.c | 71 ++++++++++ drivers/gpu/drm/msm/dp/dp_catalog.h | 10 ++ 3 files changed, 122 insertions(+), 227 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_audio.c b/drivers/gpu/drm/msm/dp/dp_audio.c index 5cbb11986460d1e4ed1890bdf66d0913e013083c..46fbf8601eea8e43a152049dfd1dc1d77943d922 100644 --- a/drivers/gpu/drm/msm/dp/dp_audio.c +++ b/drivers/gpu/drm/msm/dp/dp_audio.c @@ -14,6 +14,7 @@ #include "dp_catalog.h" #include "dp_audio.h" #include "dp_panel.h" +#include "dp_reg.h" #include "dp_display.h" #include "dp_utils.h" @@ -28,251 +29,64 @@ struct msm_dp_audio_private { struct msm_dp_audio msm_dp_audio; }; -static u32 msm_dp_audio_get_header(struct msm_dp_catalog *catalog, - enum msm_dp_catalog_audio_sdp_type sdp, - enum msm_dp_catalog_audio_header_type header) -{ - return msm_dp_catalog_audio_get_header(catalog, sdp, header); -} - -static void msm_dp_audio_set_header(struct msm_dp_catalog *catalog, - u32 data, - enum msm_dp_catalog_audio_sdp_type sdp, - enum msm_dp_catalog_audio_header_type header) -{ - msm_dp_catalog_audio_set_header(catalog, sdp, header, data); -} - static void msm_dp_audio_stream_sdp(struct msm_dp_audio_private *audio) { - struct msm_dp_catalog *catalog = audio->catalog; - u32 value, new_value; - u8 parity_byte; - - /* Config header and parity byte 1 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_STREAM, DP_AUDIO_SDP_HEADER_1); - - new_value = 0x02; - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_1_BIT) - | (parity_byte << PARITY_BYTE_1_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 1: value = 0x%x, parity_byte = 0x%x\n", - value, parity_byte); - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_STREAM, DP_AUDIO_SDP_HEADER_1); - - /* Config header and parity byte 2 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_STREAM, DP_AUDIO_SDP_HEADER_2); - new_value = value; - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_2_BIT) - | (parity_byte << PARITY_BYTE_2_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 2: value = 0x%x, parity_byte = 0x%x\n", - value, parity_byte); - - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_STREAM, DP_AUDIO_SDP_HEADER_2); - - /* Config header and parity byte 3 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_STREAM, DP_AUDIO_SDP_HEADER_3); - - new_value = audio->channels - 1; - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_3_BIT) - | (parity_byte << PARITY_BYTE_3_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 3: value = 0x%x, parity_byte = 0x%x\n", - value, parity_byte); - - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_STREAM, DP_AUDIO_SDP_HEADER_3); + struct dp_sdp_header sdp_hdr = { + .HB0 = 0x00, + .HB1 = 0x02, + .HB2 = 0x00, + .HB3 = audio->channels - 1, + }; + + msm_dp_catalog_write_audio_stream(audio->catalog, &sdp_hdr); } static void msm_dp_audio_timestamp_sdp(struct msm_dp_audio_private *audio) { - struct msm_dp_catalog *catalog = audio->catalog; - u32 value, new_value; - u8 parity_byte; - - /* Config header and parity byte 1 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_TIMESTAMP, DP_AUDIO_SDP_HEADER_1); - - new_value = 0x1; - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_1_BIT) - | (parity_byte << PARITY_BYTE_1_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 1: value = 0x%x, parity_byte = 0x%x\n", - value, parity_byte); - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_TIMESTAMP, DP_AUDIO_SDP_HEADER_1); - - /* Config header and parity byte 2 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_TIMESTAMP, DP_AUDIO_SDP_HEADER_2); - - new_value = 0x17; - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_2_BIT) - | (parity_byte << PARITY_BYTE_2_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 2: value = 0x%x, parity_byte = 0x%x\n", - value, parity_byte); - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_TIMESTAMP, DP_AUDIO_SDP_HEADER_2); - - /* Config header and parity byte 3 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_TIMESTAMP, DP_AUDIO_SDP_HEADER_3); - - new_value = (0x0 | (0x11 << 2)); - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_3_BIT) - | (parity_byte << PARITY_BYTE_3_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 3: value = 0x%x, parity_byte = 0x%x\n", - value, parity_byte); - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_TIMESTAMP, DP_AUDIO_SDP_HEADER_3); + struct dp_sdp_header sdp_hdr = { + .HB0 = 0x00, + .HB1 = 0x01, + .HB2 = 0x17, + .HB3 = 0x0 | (0x11 << 2), + }; + + msm_dp_catalog_write_audio_timestamp(audio->catalog, &sdp_hdr); } static void msm_dp_audio_infoframe_sdp(struct msm_dp_audio_private *audio) { - struct msm_dp_catalog *catalog = audio->catalog; - u32 value, new_value; - u8 parity_byte; - - /* Config header and parity byte 1 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_INFOFRAME, DP_AUDIO_SDP_HEADER_1); - - new_value = 0x84; - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_1_BIT) - | (parity_byte << PARITY_BYTE_1_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 1: value = 0x%x, parity_byte = 0x%x\n", - value, parity_byte); - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_INFOFRAME, DP_AUDIO_SDP_HEADER_1); - - /* Config header and parity byte 2 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_INFOFRAME, DP_AUDIO_SDP_HEADER_2); - - new_value = 0x1b; - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_2_BIT) - | (parity_byte << PARITY_BYTE_2_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 2: value = 0x%x, parity_byte = 0x%x\n", - value, parity_byte); - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_INFOFRAME, DP_AUDIO_SDP_HEADER_2); - - /* Config header and parity byte 3 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_INFOFRAME, DP_AUDIO_SDP_HEADER_3); - - new_value = (0x0 | (0x11 << 2)); - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_3_BIT) - | (parity_byte << PARITY_BYTE_3_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 3: value = 0x%x, parity_byte = 0x%x\n", - new_value, parity_byte); - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_INFOFRAME, DP_AUDIO_SDP_HEADER_3); + struct dp_sdp_header sdp_hdr = { + .HB0 = 0x00, + .HB1 = 0x84, + .HB2 = 0x1b, + .HB3 = 0x0 | (0x11 << 2), + }; + + msm_dp_catalog_write_audio_infoframe(audio->catalog, &sdp_hdr); } static void msm_dp_audio_copy_management_sdp(struct msm_dp_audio_private *audio) { - struct msm_dp_catalog *catalog = audio->catalog; - u32 value, new_value; - u8 parity_byte; - - /* Config header and parity byte 1 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_COPYMANAGEMENT, DP_AUDIO_SDP_HEADER_1); - - new_value = 0x05; - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_1_BIT) - | (parity_byte << PARITY_BYTE_1_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 1: value = 0x%x, parity_byte = 0x%x\n", - value, parity_byte); - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_COPYMANAGEMENT, DP_AUDIO_SDP_HEADER_1); - - /* Config header and parity byte 2 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_COPYMANAGEMENT, DP_AUDIO_SDP_HEADER_2); - - new_value = 0x0F; - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_2_BIT) - | (parity_byte << PARITY_BYTE_2_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 2: value = 0x%x, parity_byte = 0x%x\n", - value, parity_byte); - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_COPYMANAGEMENT, DP_AUDIO_SDP_HEADER_2); - - /* Config header and parity byte 3 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_COPYMANAGEMENT, DP_AUDIO_SDP_HEADER_3); - - new_value = 0x0; - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_3_BIT) - | (parity_byte << PARITY_BYTE_3_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 3: value = 0x%x, parity_byte = 0x%x\n", - value, parity_byte); - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_COPYMANAGEMENT, DP_AUDIO_SDP_HEADER_3); + struct dp_sdp_header sdp_hdr = { + .HB0 = 0x00, + .HB1 = 0x05, + .HB2 = 0x0f, + .HB3 = 0x00, + }; + + msm_dp_catalog_write_audio_copy_mgmt(audio->catalog, &sdp_hdr); } static void msm_dp_audio_isrc_sdp(struct msm_dp_audio_private *audio) { - struct msm_dp_catalog *catalog = audio->catalog; - u32 value, new_value; - u8 parity_byte; - - /* Config header and parity byte 1 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_ISRC, DP_AUDIO_SDP_HEADER_1); - - new_value = 0x06; - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_1_BIT) - | (parity_byte << PARITY_BYTE_1_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 1: value = 0x%x, parity_byte = 0x%x\n", - value, parity_byte); - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_ISRC, DP_AUDIO_SDP_HEADER_1); - - /* Config header and parity byte 2 */ - value = msm_dp_audio_get_header(catalog, - DP_AUDIO_SDP_ISRC, DP_AUDIO_SDP_HEADER_2); - - new_value = 0x0F; - parity_byte = msm_dp_utils_calculate_parity(new_value); - value |= ((new_value << HEADER_BYTE_2_BIT) - | (parity_byte << PARITY_BYTE_2_BIT)); - drm_dbg_dp(audio->drm_dev, - "Header Byte 2: value = 0x%x, parity_byte = 0x%x\n", - value, parity_byte); - msm_dp_audio_set_header(catalog, value, - DP_AUDIO_SDP_ISRC, DP_AUDIO_SDP_HEADER_2); + struct dp_sdp_header sdp_hdr = { + .HB0 = 0x00, + .HB1 = 0x06, + .HB2 = 0x0f, + .HB3 = 0x00, + }; + + msm_dp_catalog_write_audio_isrc(audio->catalog, &sdp_hdr); } static void msm_dp_audio_setup_sdp(struct msm_dp_audio_private *audio) diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c index 6a30996200bc7fbaacd0502f096e787f754752de..8fddfe5d85d6398c6582e1f74647f4cd83f5a4d9 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -1122,6 +1122,77 @@ struct msm_dp_catalog *msm_dp_catalog_get(struct device *dev) return &catalog->msm_dp_catalog; } +void msm_dp_catalog_write_audio_stream(struct msm_dp_catalog *msm_dp_catalog, + struct dp_sdp_header *sdp_hdr) +{ + struct msm_dp_catalog_private *catalog = container_of(msm_dp_catalog, + struct msm_dp_catalog_private, msm_dp_catalog); + u32 header[2]; + + msm_dp_utils_pack_sdp_header(sdp_hdr, header); + + msm_dp_write_link(catalog, MMSS_DP_AUDIO_STREAM_0, header[0]); + msm_dp_write_link(catalog, MMSS_DP_AUDIO_STREAM_1, header[1]); +} + +void msm_dp_catalog_write_audio_timestamp(struct msm_dp_catalog *msm_dp_catalog, + struct dp_sdp_header *sdp_hdr) +{ + struct msm_dp_catalog_private *catalog = container_of(msm_dp_catalog, + struct msm_dp_catalog_private, msm_dp_catalog); + u32 header[2]; + + msm_dp_utils_pack_sdp_header(sdp_hdr, header); + + msm_dp_write_link(catalog, MMSS_DP_AUDIO_TIMESTAMP_0, header[0]); + msm_dp_write_link(catalog, MMSS_DP_AUDIO_TIMESTAMP_1, header[1]); +} + +void msm_dp_catalog_write_audio_infoframe(struct msm_dp_catalog *msm_dp_catalog, + struct dp_sdp_header *sdp_hdr) +{ + struct msm_dp_catalog_private *catalog = container_of(msm_dp_catalog, + struct msm_dp_catalog_private, msm_dp_catalog); + u32 header[2]; + + msm_dp_utils_pack_sdp_header(sdp_hdr, header); + + msm_dp_write_link(catalog, MMSS_DP_AUDIO_INFOFRAME_0, header[0]); + msm_dp_write_link(catalog, MMSS_DP_AUDIO_INFOFRAME_1, header[1]); +} + +void msm_dp_catalog_write_audio_copy_mgmt(struct msm_dp_catalog *msm_dp_catalog, + struct dp_sdp_header *sdp_hdr) +{ + struct msm_dp_catalog_private *catalog = container_of(msm_dp_catalog, + struct msm_dp_catalog_private, msm_dp_catalog); + u32 header[2]; + + msm_dp_utils_pack_sdp_header(sdp_hdr, header); + + msm_dp_write_link(catalog, MMSS_DP_AUDIO_COPYMANAGEMENT_0, header[0]); + msm_dp_write_link(catalog, MMSS_DP_AUDIO_COPYMANAGEMENT_1, header[1]); +} + +void msm_dp_catalog_write_audio_isrc(struct msm_dp_catalog *msm_dp_catalog, + struct dp_sdp_header *sdp_hdr) +{ + struct msm_dp_catalog_private *catalog = container_of(msm_dp_catalog, + struct msm_dp_catalog_private, msm_dp_catalog); + struct dp_sdp_header tmp = *sdp_hdr; + u32 header[2]; + u32 reg; + + /* XXX: is it necessary to preserve this field? */ + reg = msm_dp_read_link(catalog, MMSS_DP_AUDIO_ISRC_1); + tmp.HB3 = FIELD_GET(HEADER_3_MASK, reg); + + msm_dp_utils_pack_sdp_header(&tmp, header); + + msm_dp_write_link(catalog, MMSS_DP_AUDIO_ISRC_0, header[0]); + msm_dp_write_link(catalog, MMSS_DP_AUDIO_ISRC_1, header[1]); +} + u32 msm_dp_catalog_audio_get_header(struct msm_dp_catalog *msm_dp_catalog, enum msm_dp_catalog_audio_sdp_type sdp, enum msm_dp_catalog_audio_header_type header) diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.h b/drivers/gpu/drm/msm/dp/dp_catalog.h index 62a401d8f75a6af06445a42af657d65e3fe542c5..4a5591d9f82a21d7a3bb64ad6b486e39bd406cd5 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.h +++ b/drivers/gpu/drm/msm/dp/dp_catalog.h @@ -111,6 +111,16 @@ void msm_dp_catalog_panel_tpg_disable(struct msm_dp_catalog *msm_dp_catalog); struct msm_dp_catalog *msm_dp_catalog_get(struct device *dev); /* DP Audio APIs */ +void msm_dp_catalog_write_audio_stream(struct msm_dp_catalog *msm_dp_catalog, + struct dp_sdp_header *sdp_hdr); +void msm_dp_catalog_write_audio_timestamp(struct msm_dp_catalog *msm_dp_catalog, + struct dp_sdp_header *sdp_hdr); +void msm_dp_catalog_write_audio_infoframe(struct msm_dp_catalog *msm_dp_catalog, + struct dp_sdp_header *sdp_hdr); +void msm_dp_catalog_write_audio_copy_mgmt(struct msm_dp_catalog *msm_dp_catalog, + struct dp_sdp_header *sdp_hdr); +void msm_dp_catalog_write_audio_isrc(struct msm_dp_catalog *msm_dp_catalog, + struct dp_sdp_header *sdp_hdr); u32 msm_dp_catalog_audio_get_header(struct msm_dp_catalog *msm_dp_catalog, enum msm_dp_catalog_audio_sdp_type sdp, enum msm_dp_catalog_audio_header_type header);