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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 | // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 /******************************************************************************* * * Module Name: rsirq - IRQ resource descriptors * ******************************************************************************/ #include <acpi/acpi.h> #include "accommon.h" #include "acresrc.h" #define _COMPONENT ACPI_RESOURCES ACPI_MODULE_NAME("rsirq") /******************************************************************************* * * acpi_rs_get_irq * ******************************************************************************/ struct acpi_rsconvert_info acpi_rs_get_irq[9] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ, ACPI_RS_SIZE(struct acpi_resource_irq), ACPI_RSC_TABLE_SIZE(acpi_rs_get_irq)}, /* Get the IRQ mask (bytes 1:2) */ {ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]), AML_OFFSET(irq.irq_mask), ACPI_RS_OFFSET(data.irq.interrupt_count)}, /* Set default flags (others are zero) */ {ACPI_RSC_SET8, ACPI_RS_OFFSET(data.irq.triggering), ACPI_EDGE_SENSITIVE, 1}, /* Get the descriptor length (2 or 3 for IRQ descriptor) */ {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.irq.descriptor_length), AML_OFFSET(irq.descriptor_type), 0}, /* All done if no flag byte present in descriptor */ {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3}, /* Get flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */ {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering), AML_OFFSET(irq.flags), 0}, {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity), AML_OFFSET(irq.flags), 3}, {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.shareable), AML_OFFSET(irq.flags), 4}, {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.wake_capable), AML_OFFSET(irq.flags), 5} }; /******************************************************************************* * * acpi_rs_set_irq * ******************************************************************************/ struct acpi_rsconvert_info acpi_rs_set_irq[14] = { /* Start with a default descriptor of length 3 */ {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ, sizeof(struct aml_resource_irq), ACPI_RSC_TABLE_SIZE(acpi_rs_set_irq)}, /* Convert interrupt list to 16-bit IRQ bitmask */ {ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]), AML_OFFSET(irq.irq_mask), ACPI_RS_OFFSET(data.irq.interrupt_count)}, /* Set flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */ {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering), AML_OFFSET(irq.flags), 0}, {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity), AML_OFFSET(irq.flags), 3}, {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.shareable), AML_OFFSET(irq.flags), 4}, {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.wake_capable), AML_OFFSET(irq.flags), 5}, /* * All done if the output descriptor length is required to be 3 * (i.e., optimization to 2 bytes cannot be attempted) */ {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, ACPI_RS_OFFSET(data.irq.descriptor_length), 3}, /* Set length to 2 bytes (no flags byte) */ {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)}, /* * All done if the output descriptor length is required to be 2. * * TBD: Perhaps we should check for error if input flags are not * compatible with a 2-byte descriptor. */ {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, ACPI_RS_OFFSET(data.irq.descriptor_length), 2}, /* Reset length to 3 bytes (descriptor with flags byte) */ {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq)}, /* * Check if the flags byte is necessary. Not needed if the flags are: * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE */ {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, ACPI_RS_OFFSET(data.irq.triggering), ACPI_EDGE_SENSITIVE}, {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, ACPI_RS_OFFSET(data.irq.polarity), ACPI_ACTIVE_HIGH}, {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, ACPI_RS_OFFSET(data.irq.shareable), ACPI_EXCLUSIVE}, /* We can optimize to a 2-byte irq_no_flags() descriptor */ {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)} }; /******************************************************************************* * * acpi_rs_convert_ext_irq * ******************************************************************************/ struct acpi_rsconvert_info acpi_rs_convert_ext_irq[10] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ, ACPI_RS_SIZE(struct acpi_resource_extended_irq), ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_irq)}, {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ, sizeof(struct aml_resource_extended_irq), 0}, /* * Flags: Producer/Consumer[0], Triggering[1], Polarity[2], * Sharing[3], Wake[4] */ {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.producer_consumer), AML_OFFSET(extended_irq.flags), 0}, {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.triggering), AML_OFFSET(extended_irq.flags), 1}, {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.polarity), AML_OFFSET(extended_irq.flags), 2}, {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.shareable), AML_OFFSET(extended_irq.flags), 3}, {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.wake_capable), AML_OFFSET(extended_irq.flags), 4}, /* IRQ Table length (Byte4) */ {ACPI_RSC_COUNT, ACPI_RS_OFFSET(data.extended_irq.interrupt_count), AML_OFFSET(extended_irq.interrupt_count), sizeof(u32)}, /* Copy every IRQ in the table, each is 32 bits */ {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.extended_irq.interrupts[0]), AML_OFFSET(extended_irq.interrupts[0]), 0}, /* Optional resource_source (Index and String) */ {ACPI_RSC_SOURCEX, ACPI_RS_OFFSET(data.extended_irq.resource_source), ACPI_RS_OFFSET(data.extended_irq.interrupts[0]), sizeof(struct aml_resource_extended_irq)} }; /******************************************************************************* * * acpi_rs_convert_dma * ******************************************************************************/ struct acpi_rsconvert_info acpi_rs_convert_dma[6] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA, ACPI_RS_SIZE(struct acpi_resource_dma), ACPI_RSC_TABLE_SIZE(acpi_rs_convert_dma)}, {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA, sizeof(struct aml_resource_dma), 0}, /* Flags: transfer preference, bus mastering, channel speed */ {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.transfer), AML_OFFSET(dma.flags), 0}, {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.dma.bus_master), AML_OFFSET(dma.flags), 2}, {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.type), AML_OFFSET(dma.flags), 5}, /* DMA channel mask bits */ {ACPI_RSC_BITMASK, ACPI_RS_OFFSET(data.dma.channels[0]), AML_OFFSET(dma.dma_channel_mask), ACPI_RS_OFFSET(data.dma.channel_count)} }; /******************************************************************************* * * acpi_rs_convert_fixed_dma * ******************************************************************************/ struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[4] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_DMA, ACPI_RS_SIZE(struct acpi_resource_fixed_dma), ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_dma)}, {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_DMA, sizeof(struct aml_resource_fixed_dma), 0}, /* * These fields are contiguous in both the source and destination: * request_lines * Channels */ {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_dma.request_lines), AML_OFFSET(fixed_dma.request_lines), 2}, {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_dma.width), AML_OFFSET(fixed_dma.width), 1}, }; |