Quelle  k3-psil-am62.c

// SPDX-License-Identifier: GPL-2.0
/*
 *  Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com
 */

#include <linux/kernel.h>

#include "k3-psil-priv.h"

#define PSIL_PDMA_XY_PKT(x)     \
 {       \
  .thread_id = x,     \
  .ep_config = {     \
   .ep_type = PSIL_EP_PDMA_XY,  \
   .mapped_channel_id = -1,  \
   .default_flow_id = -1,   \
   .pkt_mode = 1,    \
  },      \
 }

#define PSIL_ETHERNET(x, ch, flow_base, flow_cnt)  \
 {       \
  .thread_id = x,     \
  .ep_config = {     \
   .ep_type = PSIL_EP_NATIVE,  \
   .pkt_mode = 1,    \
   .needs_epib = 1,   \
   .psd_size = 16,    \
   .mapped_channel_id = ch,  \
   .flow_start = flow_base,  \
   .flow_num = flow_cnt,   \
   .default_flow_id = flow_base,  \
  },      \
 }

#define PSIL_SAUL(x, ch, flow_base, flow_cnt, default_flow, tx) \
 {       \
  .thread_id = x,     \
  .ep_config = {     \
   .ep_type = PSIL_EP_NATIVE,  \
   .pkt_mode = 1,    \
   .needs_epib = 1,   \
   .psd_size = 64,    \
   .mapped_channel_id = ch,  \
   .flow_start = flow_base,  \
   .flow_num = flow_cnt,   \
   .default_flow_id = default_flow, \
   .notdpkt = tx,    \
  },      \
 }

#define PSIL_PDMA_MCASP(x)    \
 {      \
  .thread_id = x,    \
  .ep_config = {    \
   .ep_type = PSIL_EP_PDMA_XY, \
   .pdma_acc32 = 1,  \
   .pdma_burst = 1,  \
  },     \
 }

#define PSIL_CSI2RX(x)     \
 {      \
  .thread_id = x,    \
  .ep_config = {    \
   .ep_type = PSIL_EP_NATIVE, \
  },     \
 }

/* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
static struct psil_ep am62_src_ep_map[] = {
 /* SAUL */
 PSIL_SAUL(0x7504, 20, 35, 8, 35, 0),
 PSIL_SAUL(0x7505, 21, 35, 8, 36, 0),
 PSIL_SAUL(0x7506, 22, 43, 8, 43, 0),
 PSIL_SAUL(0x7507, 23, 43, 8, 44, 0),
 /* PDMA_MAIN0 - SPI0-2 */
 PSIL_PDMA_XY_PKT(0x4300),
 PSIL_PDMA_XY_PKT(0x4301),
 PSIL_PDMA_XY_PKT(0x4302),
 PSIL_PDMA_XY_PKT(0x4303),
 PSIL_PDMA_XY_PKT(0x4304),
 PSIL_PDMA_XY_PKT(0x4305),
 PSIL_PDMA_XY_PKT(0x4306),
 PSIL_PDMA_XY_PKT(0x4307),
 PSIL_PDMA_XY_PKT(0x4308),
 PSIL_PDMA_XY_PKT(0x4309),
 PSIL_PDMA_XY_PKT(0x430a),
 PSIL_PDMA_XY_PKT(0x430b),
 /* PDMA_MAIN1 - UART0-6 */
 PSIL_PDMA_XY_PKT(0x4400),
 PSIL_PDMA_XY_PKT(0x4401),
 PSIL_PDMA_XY_PKT(0x4402),
 PSIL_PDMA_XY_PKT(0x4403),
 PSIL_PDMA_XY_PKT(0x4404),
 PSIL_PDMA_XY_PKT(0x4405),
 PSIL_PDMA_XY_PKT(0x4406),
 /* PDMA_MAIN2 - MCASP0-2 */
 PSIL_PDMA_MCASP(0x4500),
 PSIL_PDMA_MCASP(0x4501),
 PSIL_PDMA_MCASP(0x4502),
 /* CPSW3G */
 PSIL_ETHERNET(0x4600, 19, 19, 16),
 /* CSI2RX */
 PSIL_CSI2RX(0x4700),
 PSIL_CSI2RX(0x4701),
 PSIL_CSI2RX(0x4702),
 PSIL_CSI2RX(0x4703),
 PSIL_CSI2RX(0x4704),
 PSIL_CSI2RX(0x4705),
 PSIL_CSI2RX(0x4706),
 PSIL_CSI2RX(0x4707),
 PSIL_CSI2RX(0x4708),
 PSIL_CSI2RX(0x4709),
 PSIL_CSI2RX(0x470a),
 PSIL_CSI2RX(0x470b),
 PSIL_CSI2RX(0x470c),
 PSIL_CSI2RX(0x470d),
 PSIL_CSI2RX(0x470e),
 PSIL_CSI2RX(0x470f),
 PSIL_CSI2RX(0x4710),
 PSIL_CSI2RX(0x4711),
 PSIL_CSI2RX(0x4712),
 PSIL_CSI2RX(0x4713),
 PSIL_CSI2RX(0x4714),
 PSIL_CSI2RX(0x4715),
 PSIL_CSI2RX(0x4716),
 PSIL_CSI2RX(0x4717),
 PSIL_CSI2RX(0x4718),
 PSIL_CSI2RX(0x4719),
 PSIL_CSI2RX(0x471a),
 PSIL_CSI2RX(0x471b),
 PSIL_CSI2RX(0x471c),
 PSIL_CSI2RX(0x471d),
 PSIL_CSI2RX(0x471e),
 PSIL_CSI2RX(0x471f),
};

/* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
static struct psil_ep am62_dst_ep_map[] = {
 /* SAUL */
 PSIL_SAUL(0xf500, 27, 83, 8, 83, 1),
 PSIL_SAUL(0xf501, 28, 91, 8, 91, 1),
 /* PDMA_MAIN0 - SPI0-2 */
 PSIL_PDMA_XY_PKT(0xc300),
 PSIL_PDMA_XY_PKT(0xc301),
 PSIL_PDMA_XY_PKT(0xc302),
 PSIL_PDMA_XY_PKT(0xc303),
 PSIL_PDMA_XY_PKT(0xc304),
 PSIL_PDMA_XY_PKT(0xc305),
 PSIL_PDMA_XY_PKT(0xc306),
 PSIL_PDMA_XY_PKT(0xc307),
 PSIL_PDMA_XY_PKT(0xc308),
 PSIL_PDMA_XY_PKT(0xc309),
 PSIL_PDMA_XY_PKT(0xc30a),
 PSIL_PDMA_XY_PKT(0xc30b),
 /* PDMA_MAIN1 - UART0-6 */
 PSIL_PDMA_XY_PKT(0xc400),
 PSIL_PDMA_XY_PKT(0xc401),
 PSIL_PDMA_XY_PKT(0xc402),
 PSIL_PDMA_XY_PKT(0xc403),
 PSIL_PDMA_XY_PKT(0xc404),
 PSIL_PDMA_XY_PKT(0xc405),
 PSIL_PDMA_XY_PKT(0xc406),
 /* PDMA_MAIN2 - MCASP0-2 */
 PSIL_PDMA_MCASP(0xc500),
 PSIL_PDMA_MCASP(0xc501),
 PSIL_PDMA_MCASP(0xc502),
 /* CPSW3G */
 PSIL_ETHERNET(0xc600, 19, 19, 8),
 PSIL_ETHERNET(0xc601, 20, 27, 8),
 PSIL_ETHERNET(0xc602, 21, 35, 8),
 PSIL_ETHERNET(0xc603, 22, 43, 8),
 PSIL_ETHERNET(0xc604, 23, 51, 8),
 PSIL_ETHERNET(0xc605, 24, 59, 8),
 PSIL_ETHERNET(0xc606, 25, 67, 8),
 PSIL_ETHERNET(0xc607, 26, 75, 8),
};

struct psil_ep_map am62_ep_map = {
 .name = "am62",
 .src = am62_src_ep_map,
 .src_count = ARRAY_SIZE(am62_src_ep_map),
 .dst = am62_dst_ep_map,
 .dst_count = ARRAY_SIZE(am62_dst_ep_map),
};