1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright © 2023 Dmitry Salychev 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/types.h> 29 #include <sys/param.h> 30 #include <sys/systm.h> 31 32 #include <machine/bus.h> 33 34 #include "dpaa2_types.h" 35 36 #define COMPARE_TYPE(t, v) (strncmp((v), (t), strlen((v))) == 0) 37 38 /** 39 * @brief Convert DPAA2 device type to string. 40 */ 41 const char * 42 dpaa2_ttos(enum dpaa2_dev_type type) 43 { 44 switch (type) { 45 case DPAA2_DEV_MC: 46 return ("mc"); /* NOTE: to print as information only. */ 47 case DPAA2_DEV_RC: 48 return ("dprc"); 49 case DPAA2_DEV_IO: 50 return ("dpio"); 51 case DPAA2_DEV_NI: 52 return ("dpni"); 53 case DPAA2_DEV_MCP: 54 return ("dpmcp"); 55 case DPAA2_DEV_BP: 56 return ("dpbp"); 57 case DPAA2_DEV_CON: 58 return ("dpcon"); 59 case DPAA2_DEV_MAC: 60 return ("dpmac"); 61 case DPAA2_DEV_MUX: 62 return ("dpdmux"); 63 case DPAA2_DEV_SW: 64 return ("dpsw"); 65 default: 66 break; 67 } 68 69 return ("notype"); 70 } 71 72 /** 73 * @brief Convert string to DPAA2 device type. 74 */ 75 enum dpaa2_dev_type 76 dpaa2_stot(const char *str) 77 { 78 if (COMPARE_TYPE(str, "dprc")) { 79 return (DPAA2_DEV_RC); 80 } else if (COMPARE_TYPE(str, "dpio")) { 81 return (DPAA2_DEV_IO); 82 } else if (COMPARE_TYPE(str, "dpni")) { 83 return (DPAA2_DEV_NI); 84 } else if (COMPARE_TYPE(str, "dpmcp")) { 85 return (DPAA2_DEV_MCP); 86 } else if (COMPARE_TYPE(str, "dpbp")) { 87 return (DPAA2_DEV_BP); 88 } else if (COMPARE_TYPE(str, "dpcon")) { 89 return (DPAA2_DEV_CON); 90 } else if (COMPARE_TYPE(str, "dpmac")) { 91 return (DPAA2_DEV_MAC); 92 } else if (COMPARE_TYPE(str, "dpdmux")) { 93 return (DPAA2_DEV_MUX); 94 } else if (COMPARE_TYPE(str, "dpsw")) { 95 return (DPAA2_DEV_SW); 96 } 97 98 return (DPAA2_DEV_NOTYPE); 99 } 100 101 /** 102 * @brief Callback to obtain a physical address of the only DMA segment mapped. 103 */ 104 void 105 dpaa2_dmamap_oneseg_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error) 106 { 107 if (error == 0) { 108 KASSERT(nseg == 1, ("%s: too many segments: nseg=%d\n", 109 __func__, nseg)); 110 *(bus_addr_t *)arg = segs[0].ds_addr; 111 } else { 112 panic("%s: error=%d\n", __func__, error); 113 } 114 } 115