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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?yfrOBI5LZcFm5PoYQvnOiSZp7voR?= =?utf-8?q?bMmnTiWSsbbpBKHSv24Q92qnkid/QPd+CjaGP6U60tw8fX47a5DQsblhLNCZBBnZ6?= =?utf-8?q?AV4wPHxo60jJNCnTbOkW0cJ6FHc4GfJBPnUBCbyBo7SLf0yNT9IXs4lTMngeygbiq?= =?utf-8?q?M2VvYboMSh4OShZ9dlfExBs8OhvwTIlRRO1q3Yf79N2VJqr1ZPUzSJcjKVELiAfO7?= =?utf-8?q?nANdIml9AimqK27S9LYOjPJp9a64ictOcrNI9Jeoivtlt/aj7+b0JmO0HxqWvdxvs?= =?utf-8?q?YgwyMYzi4vxOy9gwYV64QBbdypedQmpf084iSStRyfTuXGwEDefGh05Q8ULebKg6Y?= =?utf-8?q?qtQ4DYmTfIjnCeiFmpcrHNOWw/nu2STFlo7dmNvNsoXfrgpR76iELN9RFoiZG0jTl?= =?utf-8?q?f4shxD/11i42xUZpseobzbXkWVkbeWEfenf0g5HubxbdbUC5AnNrxz7zFJOnewWZW?= =?utf-8?q?XMcWG73a/UOzcpg4h/TJ7wbYZTvU18WJB83vsV3sXuRR5dr99r4WOn3jS5Jr24CVc?= =?utf-8?q?RescdKDzem+cTne/Gf2IHHzO32YMY5qsWkp/SYBs1tUbw0fp2oNOjAOS/c1dnvR9H?= =?utf-8?q?+1+90etbzLys4qcPWfI3Bg4w1krwT2XnQo9JERlsTqvSazLkICcdb2roeQeAHrbDs?= =?utf-8?q?uHcjeN8Eb378yJfl5tDfy5vp8fSfx8NY5vGq/MJplvAYA2qURKy9o4NHjqbfSpNVh?= =?utf-8?q?4kiDJ0ZZgsJFWqbH/zAWtX91Pdy8l1rPs3HLuY7kHsxH76zR3ZGL/p5QQ6sRvP1pb?= =?utf-8?q?dgauPH2SfihMno5xXm8kce6nnANMOjPBAc9U6GDXg1fCl7Lsihn8KXTV6GGUIAzes?= =?utf-8?q?P33MxRGbw9/nOd9bEnDxRgvwahYlOqaM9+zImjNMP24uowXs2r1jQcsVSKRuBJQOY?= =?utf-8?q?594PoQocsRtpkkUyS8uSjRXvbIo9S9vkvbI7xIJi1CXQC+CyNat3lwI1qEQq6Du7U?= =?utf-8?q?0DuuakDiPAx0mxEbiHQXjA9ixzoWdVcn6oWYaQo974yAY+QeMWvmpT98DWQS8CwF+?= =?utf-8?q?XOS0pva26aStq04ao0r+RaO2MZJTyTUvcps8yOKL36dq/TA8Kxv8K5ha5MVesuPtG?= =?utf-8?q?iyfoRlo/p9OBh8Pdjk+lyegVuFHqyLOWImc8lB7/096ER6fjuytvG9dvzoH36D08C?= =?utf-8?q?jUFQyLTene+jx0PyF8D6Rz+Ktd9lxhYJwS361fzIjM836JKaouaZNFEdxvWJX5tDW?= =?utf-8?q?VewwxT0ICtqTdPc/uECkm6+TBXaMCGKjzHInPHW2vTgXKW+vJAovDBsdddGlnHjIJ?= =?utf-8?q?NQAXRQEAD5FN8ZVORfzJMQNBwINouKwfBOLKdrBUvHMER5q7DXpzLOiu3yhHX2QKT?= =?utf-8?q?xgZ5wQTV+ELNVYCXg2rv9d+X+KL6Czk5B5HDhYdL9jYecMcSp77YIj5rTbcI/c0IL?= =?utf-8?q?q27tsI8x4ZQzIfOo65apiQJ32n2a8UNLblAFe1u5dMFAhKdCzHpSkS8mNNzHSnc8d?= =?utf-8?q?5AVBYKZzHA4QwJwCPK4lI16cWcCJIq1T9hVcLHpnNJ+w8SLC2ZIZDOWzXfym3MkyZ?= =?utf-8?q?bRPT+kesy5f+?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: f11e3bbe-358f-4d00-1acc-08dc478c4f48 X-MS-Exchange-CrossTenant-AuthSource: PAXPR04MB9642.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Mar 2024 20:45:13.2929 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: iwPNfbHV0EHJH2cEbPHQNiRpg6NK8yHCg96rnZ/pg+4jLsJyh27HB0UHbxk0BH1So+3C0kBAE0D/NP/rc/A6xg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAXPR04MB8489 From: Nicolin Chen Allocate memory from SoC internal SRAM to reduce DDR access and keep DDR in lower power state (such as self-referesh) longer. Check iram_pool before sdma_init() so that ccb/context could be allocated from iram because DDR maybe in self-referesh in lower power audio case while sdma still running. Reviewed-by: Shengjiu Wang Signed-off-by: Nicolin Chen Signed-off-by: Joy Zou Reviewed-by: Daniel Baluta Signed-off-by: Frank Li --- drivers/dma/imx-sdma.c | 46 ++++++++++++++++++++++++++++++++++++---------- 1 file changed, 36 insertions(+), 10 deletions(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 9b42f5e96b1e0..4f1a9d1b152d6 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include #include @@ -531,6 +532,7 @@ struct sdma_engine { /* clock ratio for AHB:SDMA core. 1:1 is 1, 2:1 is 0*/ bool clk_ratio; bool fw_loaded; + struct gen_pool *iram_pool; }; static int sdma_config_write(struct dma_chan *chan, @@ -1358,8 +1360,14 @@ static int sdma_request_channel0(struct sdma_engine *sdma) { int ret = -EBUSY; - sdma->bd0 = dma_alloc_coherent(sdma->dev, PAGE_SIZE, &sdma->bd0_phys, - GFP_NOWAIT); + if (sdma->iram_pool) + sdma->bd0 = gen_pool_dma_alloc(sdma->iram_pool, + sizeof(struct sdma_buffer_descriptor), + &sdma->bd0_phys); + else + sdma->bd0 = dma_alloc_coherent(sdma->dev, + sizeof(struct sdma_buffer_descriptor), + &sdma->bd0_phys, GFP_NOWAIT); if (!sdma->bd0) { ret = -ENOMEM; goto out; @@ -1379,10 +1387,14 @@ static int sdma_request_channel0(struct sdma_engine *sdma) static int sdma_alloc_bd(struct sdma_desc *desc) { u32 bd_size = desc->num_bd * sizeof(struct sdma_buffer_descriptor); + struct sdma_engine *sdma = desc->sdmac->sdma; int ret = 0; - desc->bd = dma_alloc_coherent(desc->sdmac->sdma->dev, bd_size, - &desc->bd_phys, GFP_NOWAIT); + if (sdma->iram_pool) + desc->bd = gen_pool_dma_alloc(sdma->iram_pool, bd_size, &desc->bd_phys); + else + desc->bd = dma_alloc_coherent(sdma->dev, bd_size, &desc->bd_phys, GFP_NOWAIT); + if (!desc->bd) { ret = -ENOMEM; goto out; @@ -1394,9 +1406,12 @@ static int sdma_alloc_bd(struct sdma_desc *desc) static void sdma_free_bd(struct sdma_desc *desc) { u32 bd_size = desc->num_bd * sizeof(struct sdma_buffer_descriptor); + struct sdma_engine *sdma = desc->sdmac->sdma; - dma_free_coherent(desc->sdmac->sdma->dev, bd_size, desc->bd, - desc->bd_phys); + if (sdma->iram_pool) + gen_pool_free(sdma->iram_pool, (unsigned long)desc->bd, bd_size); + else + dma_free_coherent(desc->sdmac->sdma->dev, bd_size, desc->bd, desc->bd_phys); } static void sdma_desc_free(struct virt_dma_desc *vd) @@ -2068,6 +2083,7 @@ static int sdma_init(struct sdma_engine *sdma) { int i, ret; dma_addr_t ccb_phys; + int ccbsize; ret = clk_enable(sdma->clk_ipg); if (ret) @@ -2083,10 +2099,14 @@ static int sdma_init(struct sdma_engine *sdma) /* Be sure SDMA has not started yet */ writel_relaxed(0, sdma->regs + SDMA_H_C0PTR); - sdma->channel_control = dma_alloc_coherent(sdma->dev, - MAX_DMA_CHANNELS * sizeof(struct sdma_channel_control) + - sizeof(struct sdma_context_data), - &ccb_phys, GFP_KERNEL); + ccbsize = MAX_DMA_CHANNELS * (sizeof(struct sdma_channel_control) + + sizeof(struct sdma_context_data)); + + if (sdma->iram_pool) + sdma->channel_control = gen_pool_dma_alloc(sdma->iram_pool, ccbsize, &ccb_phys); + else + sdma->channel_control = dma_alloc_coherent(sdma->dev, ccbsize, &ccb_phys, + GFP_KERNEL); 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Signed-off-by: Shengjiu Wang Signed-off-by: Vipul Kumar Signed-off-by: Srikanth Krishnakar Acked-by: Robin Gong Reviewed-by: Joy Zou Reviewed-by: Daniel Baluta Signed-off-by: Frank Li --- drivers/dma/imx-sdma.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 4f1a9d1b152d6..6be4c1e441266 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -176,6 +176,7 @@ #define SDMA_DMA_BUSWIDTHS (BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \ BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \ + BIT(DMA_SLAVE_BUSWIDTH_3_BYTES) | \ BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)) #define SDMA_DMA_DIRECTIONS (BIT(DMA_DEV_TO_MEM) | \ @@ -1658,6 +1659,9 @@ static struct dma_async_tx_descriptor *sdma_prep_slave_sg( if (count & 3 || sg->dma_address & 3) goto err_bd_out; break; + case DMA_SLAVE_BUSWIDTH_3_BYTES: + bd->mode.command = 3; + break; case DMA_SLAVE_BUSWIDTH_2_BYTES: bd->mode.command = 2; if (count & 1 || sg->dma_address & 1) From patchwork Mon Mar 18 20:44:36 2024 Content-Type: text/plain; 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Signed-off-by: Joy Zou Reviewed-by: Joy Zou Reviewed-by: Daniel Baluta Signed-off-by: Frank Li --- drivers/dma/imx-sdma.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 6be4c1e441266..35fb69a84a8da 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -169,6 +169,8 @@ #define SDMA_WATERMARK_LEVEL_SPDIF BIT(10) #define SDMA_WATERMARK_LEVEL_SP BIT(11) #define SDMA_WATERMARK_LEVEL_DP BIT(12) +#define SDMA_WATERMARK_LEVEL_SD BIT(13) +#define SDMA_WATERMARK_LEVEL_DD BIT(14) #define SDMA_WATERMARK_LEVEL_HWML (0xFF << 16) #define SDMA_WATERMARK_LEVEL_LWE BIT(28) #define SDMA_WATERMARK_LEVEL_HWE BIT(29) @@ -1258,6 +1260,11 @@ static void sdma_set_watermarklevel_for_p2p(struct sdma_channel *sdmac) sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_DP; sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_CONT; + + if (sdmac->n_fifos_src > 1) + sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_SD; + if (sdmac->n_fifos_dst > 1) + sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_DD; 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Signed-off-by: Frank Li Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml b/Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml index b95dd8db5a30a..80bcd3a6ecaf3 100644 --- a/Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml +++ b/Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml @@ -93,6 +93,7 @@ properties: - Shared ASRC: 23 - SAI: 24 - HDMI Audio: 25 + - I2C: 26 The third cell: transfer priority ID enum: From patchwork Mon Mar 18 20:44:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Li X-Patchwork-Id: 13595812 Received: from EUR05-VI1-obe.outbound.protection.outlook.com (mail-vi1eur05on2107.outbound.protection.outlook.com [40.107.21.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 718565A4C7 for ; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?BSHR91jdUs77r5FtHq0uF6aSTV9V?= =?utf-8?q?MziE1+QsIaRlZih60hUu8AYzGTPy8nLvJR0Y6dqWT5nIPLxmkVWgDbNYOU6iFZXZd?= =?utf-8?q?HP8PjoYUIjMjDJ3R10R/quZKpUQDJ8aeGRyxvH1eSrd/n1Qx17NyMzGD+OIGw7tRH?= =?utf-8?q?3cIBXzWM/Iq3zYUinvTr2TYCWZEToPAWVTrQK676vVbq2lgv/LwLgHUcpU+eJEx2Y?= =?utf-8?q?/kHVSGiKltk1+pNxXVDCC2xRuIDe3E5M5/JZOqixL29iekUa6O+giFf1J/GEa2EKj?= =?utf-8?q?cFcO0Iz8ixH4Phm+Msiuw6nQK6LrGOQHW/h+10NokN3NmqIrq2lXv8UerrHvnd709?= =?utf-8?q?h+HcMjXNyISLXDoS+dvKFxDvIU7ONdQTYm71F9GY1d2Nehi1emPO71mAc//k9hUL4?= =?utf-8?q?7Qh3YF7krlG4yAW69EWd4mrVThfvgHw7V6QLhKVvN/nQGDzb8/SUtrvvvzcBqMEiW?= =?utf-8?q?okJBP0kiMq1Gc8vvpV7HOBUcwVIM/KonmYVwcohxmRtPPdaojVysvxq5Z94Kkv9q7?= =?utf-8?q?2PC9UwCXTXhGeRmjHQ7s5FHeeNJqqHZxQu5cO3HIVCW+0EITu31mZmy2LzrP6ek/+?= =?utf-8?q?7loQ+mmviMA1EfxU8qMaqwJZPeP2HSlvMz2nihG+l41wlCyZSvbwFBh5N28j/PHnl?= =?utf-8?q?/pHH/JtknPpCbrCrCn0VHjTj4fX1Z2EM/alBDDrI0A+ncdNkGWEKGI29+7ZAZ8xf9?= =?utf-8?q?FjqK4oualKRGqXGA7LNk8D+0w05NfmQS3y0Aw4WgSzA5af201D/dcsfcq8fN+Sv/n?= =?utf-8?q?Yri1EW9Ieowg+3KdnhZCJQV98dDv4Ui0RCFN3rYUDVVTu0UavKNyzDYFgELnpa38Q?= =?utf-8?q?CaTD4pygmJSvYyTaWv9E4rNHHzA3w6+tppuUArIzGLT+lPcJ5zlhn59CKLACjLbtV?= =?utf-8?q?ydMUMtcV2rrPIXO1en1hEJ0rSer3HBk5DHnyxVqI15pr03aRL3O1cBwUIYuk5NyFH?= =?utf-8?q?lNngP6W5KO4sJ9NRUjXAw1zvjpCljVSZ+CZ3cc7gz6fgH1lZKb41Qad0KeqvDpgvN?= =?utf-8?q?22Hdk4nDBCR9dw61J1Lh9G5pq0Pfh+mKsYw46RayezNx4FIl73mDXad3X51qEMbpf?= =?utf-8?q?o3crpKfodSWKGT/f2IU3cN6qoPdce3nDzW6MNR5Ve2mIljZkKNR7lbtXmY+bni2nv?= =?utf-8?q?BJrXQXDq9n70J/o3VPIEPhvY3vdEbYxuUvDeBG3Zug4obPvfARg7YP6ja6Upz74F7?= =?utf-8?q?rjVNzhuqHxiVsPF5Hfe7c9qZC4xmxwc+zm4F3ZokaEWVHpBjj1TBud2uhvwf7rSGj?= =?utf-8?q?rF63iBfGT8A11Jtb8sI4Q9VXc0CZUVwwNjlmwhwxi8eAAbXSHRPuS+TsL7w/qjM2M?= =?utf-8?q?H2C/Wn31zXJ4BHoQvzqv78OUdpL191sR3w5FkYNfYT/T//isREysp0wVu8SRIA3/f?= =?utf-8?q?vRm4oFIEEnlor5uTZx3EampuEsKYGKx2PZCo5SUbE+ATHnf/9A0PZhEZZo6XzQvcu?= =?utf-8?q?1iALFaNv9gWKGOLQfkWVt5tWofiWzz1ZY1uZbQgSqNAEIjxlaewxQqoTwuuqcoNP4?= =?utf-8?q?Jvq3IB3vvsJL?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: e98e84c2-82ab-4e34-1767-08dc478c5a3d X-MS-Exchange-CrossTenant-AuthSource: PAXPR04MB9642.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Mar 2024 20:45:31.5580 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: SHgtE1822wiiv9kPU2XiNOTBBcrMbcZQ6WM99JHBq6zCdliBOhBJRF6mV7AHJXM3F5msjq/t7VoC/2Yd0s4I2w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAXPR04MB8489 From: Robin Gong New sdma script (sdma-6q: v3.6, sdma-7d: v4.6) support i2c at imx8mp and imx6ull. So add I2C dma support. Signed-off-by: Robin Gong Acked-by: Clark Wang Reviewed-by: Joy Zou Reviewed-by: Daniel Baluta Signed-off-by: Frank Li --- drivers/dma/imx-sdma.c | 7 +++++++ include/linux/dma/imx-dma.h | 1 + 2 files changed, 8 insertions(+) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 35fb69a84a8da..5bc4419fd45f3 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -247,6 +247,8 @@ struct sdma_script_start_addrs { s32 sai_2_mcu_addr; s32 uart_2_mcu_rom_addr; s32 uartsh_2_mcu_rom_addr; + s32 i2c_2_mcu_addr; + s32 mcu_2_i2c_addr; /* End of v3 array */ s32 mcu_2_zqspi_addr; /* End of v4 array */ @@ -1077,6 +1079,11 @@ static int sdma_get_pc(struct sdma_channel *sdmac, per_2_emi = sdma->script_addrs->sai_2_mcu_addr; emi_2_per = sdma->script_addrs->mcu_2_sai_addr; break; + case IMX_DMATYPE_I2C: + per_2_emi = sdma->script_addrs->i2c_2_mcu_addr; + emi_2_per = sdma->script_addrs->mcu_2_i2c_addr; + sdmac->is_ram_script = true; + break; case IMX_DMATYPE_HDMI: emi_2_per = sdma->script_addrs->hdmi_dma_addr; sdmac->is_ram_script = true; diff --git a/include/linux/dma/imx-dma.h b/include/linux/dma/imx-dma.h index cfec5f946e237..76a8de9ae1517 100644 --- a/include/linux/dma/imx-dma.h +++ b/include/linux/dma/imx-dma.h @@ -41,6 +41,7 @@ enum sdma_peripheral_type { IMX_DMATYPE_SAI, /* SAI */ IMX_DMATYPE_MULTI_SAI, /* MULTI FIFOs For Audio */ IMX_DMATYPE_HDMI, /* HDMI Audio */ + IMX_DMATYPE_I2C, /* I2C */ }; enum imx_dma_prio {