Angel Pons | c74dae9 | 2020-04-02 23:48:16 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 2 | |
| 3 | #include <console/console.h> |
| 4 | #include <device/device.h> |
| 5 | #include <device/pci.h> |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 6 | #include <device/azalia_device.h> |
Kyösti Mälkki | 13f6650 | 2019-03-03 08:01:05 +0200 | [diff] [blame] | 7 | #include <device/mmio.h> |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 8 | #include <delay.h> |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 9 | #include <timer.h> |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 10 | |
Angel Pons | 61dd836 | 2020-12-05 18:02:32 +0100 | [diff] [blame] | 11 | int azalia_set_bits(void *port, u32 mask, u32 val) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 12 | { |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 13 | struct stopwatch sw; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 14 | u32 reg32; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 15 | |
| 16 | /* Write (val & mask) to port */ |
| 17 | val &= mask; |
| 18 | reg32 = read32(port); |
| 19 | reg32 &= ~mask; |
| 20 | reg32 |= val; |
| 21 | write32(port, reg32); |
| 22 | |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 23 | /* Wait for readback of register to match what was just written to it */ |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 24 | stopwatch_init_msecs_expire(&sw, 50); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 25 | do { |
| 26 | /* Wait 1ms based on BKDG wait time */ |
| 27 | mdelay(1); |
| 28 | reg32 = read32(port); |
| 29 | reg32 &= mask; |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 30 | } while ((reg32 != val) && !stopwatch_expired(&sw)); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 31 | |
| 32 | /* Timeout occurred */ |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 33 | if (stopwatch_expired(&sw)) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 34 | return -1; |
| 35 | return 0; |
| 36 | } |
| 37 | |
Angel Pons | 4919028 | 2020-12-05 18:52:38 +0100 | [diff] [blame] | 38 | int azalia_enter_reset(u8 *base) |
| 39 | { |
| 40 | /* Set bit 0 to 0 to enter reset state (BAR + 0x8)[0] */ |
| 41 | return azalia_set_bits(base + HDA_GCTL_REG, HDA_GCTL_CRST, 0); |
| 42 | } |
| 43 | |
| 44 | int azalia_exit_reset(u8 *base) |
| 45 | { |
| 46 | /* Set bit 0 to 1 to exit reset state (BAR + 0x8)[0] */ |
| 47 | return azalia_set_bits(base + HDA_GCTL_REG, HDA_GCTL_CRST, HDA_GCTL_CRST); |
| 48 | } |
| 49 | |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 50 | static u16 codec_detect(u8 *base) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 51 | { |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 52 | struct stopwatch sw; |
Angel Pons | 5d31dfa | 2021-03-18 16:00:14 +0100 | [diff] [blame] | 53 | const u16 codec_mask = (1 << CONFIG_AZALIA_MAX_CODECS) - 1; |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 54 | u16 reg16; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 55 | |
Angel Pons | 7f839f6 | 2020-12-05 19:02:14 +0100 | [diff] [blame] | 56 | if (azalia_exit_reset(base) < 0) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 57 | goto no_codec; |
| 58 | |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 59 | /* clear STATESTS bits (BAR + 0xe)[2:0] */ |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 60 | reg16 = read16(base + HDA_STATESTS_REG); |
Angel Pons | 5d31dfa | 2021-03-18 16:00:14 +0100 | [diff] [blame] | 61 | reg16 |= codec_mask; |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 62 | write16(base + HDA_STATESTS_REG, reg16); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 63 | |
| 64 | /* Wait for readback of register to |
| 65 | * match what was just written to it |
| 66 | */ |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 67 | stopwatch_init_msecs_expire(&sw, 50); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 68 | do { |
| 69 | /* Wait 1ms based on BKDG wait time */ |
| 70 | mdelay(1); |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 71 | reg16 = read16(base + HDA_STATESTS_REG); |
| 72 | } while ((reg16 != 0) && !stopwatch_expired(&sw)); |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 73 | |
Martin Roth | 2ed0aa2 | 2016-01-05 20:58:58 -0700 | [diff] [blame] | 74 | /* Timeout occurred */ |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 75 | if (stopwatch_expired(&sw)) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 76 | goto no_codec; |
| 77 | |
Angel Pons | 2e0053b | 2020-12-05 19:06:55 +0100 | [diff] [blame] | 78 | if (azalia_enter_reset(base) < 0) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 79 | goto no_codec; |
| 80 | |
Angel Pons | 7f839f6 | 2020-12-05 19:02:14 +0100 | [diff] [blame] | 81 | if (azalia_exit_reset(base) < 0) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 82 | goto no_codec; |
| 83 | |
| 84 | /* Read in Codec location (BAR + 0xe)[2..0] */ |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 85 | reg16 = read16(base + HDA_STATESTS_REG); |
Angel Pons | 5d31dfa | 2021-03-18 16:00:14 +0100 | [diff] [blame] | 86 | reg16 &= codec_mask; |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 87 | if (!reg16) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 88 | goto no_codec; |
| 89 | |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 90 | return reg16; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 91 | |
| 92 | no_codec: |
| 93 | /* Codec Not found */ |
| 94 | /* Put HDA back in reset (BAR + 0x8) [0] */ |
Angel Pons | 61dd836 | 2020-12-05 18:02:32 +0100 | [diff] [blame] | 95 | azalia_set_bits(base + HDA_GCTL_REG, 1, 0); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 96 | printk(BIOS_DEBUG, "azalia_audio: No codec!\n"); |
| 97 | return 0; |
| 98 | } |
| 99 | |
Angel Pons | d3f7028 | 2020-12-05 18:28:33 +0100 | [diff] [blame] | 100 | /* |
| 101 | * Find a specific entry within a verb table |
| 102 | * |
| 103 | * @param verb_table: verb table data |
| 104 | * @param verb_table_bytes: verb table size in bytes |
| 105 | * @param viddid: vendor/device to search for |
| 106 | * @param verb: pointer to entry within table |
| 107 | * |
| 108 | * Returns size of the entry within the verb table, |
| 109 | * Returns 0 if the entry is not found |
| 110 | * |
| 111 | * The HDA verb table is composed of dwords. A set of 4 dwords is |
| 112 | * grouped together to form a "jack" descriptor. |
| 113 | * Bits 31:28 - Codec Address |
| 114 | * Bits 27:20 - NID |
| 115 | * Bits 19:8 - Verb ID |
| 116 | * Bits 7:0 - Payload |
| 117 | * |
| 118 | * coreboot groups different codec verb tables into a single table |
| 119 | * and prefixes each with a specific header consisting of 3 |
| 120 | * dword entries: |
| 121 | * 1 - Codec Vendor/Device ID |
| 122 | * 2 - Subsystem ID |
| 123 | * 3 - Number of jacks (groups of 4 dwords) for this codec |
| 124 | */ |
Angel Pons | d425ddd | 2020-12-05 18:22:58 +0100 | [diff] [blame] | 125 | u32 azalia_find_verb(const u32 *verb_table, u32 verb_table_bytes, u32 viddid, const u32 **verb) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 126 | { |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 127 | int idx = 0; |
| 128 | |
Angel Pons | d425ddd | 2020-12-05 18:22:58 +0100 | [diff] [blame] | 129 | while (idx < (verb_table_bytes / sizeof(u32))) { |
Angel Pons | f23c6a8 | 2020-12-05 18:32:05 +0100 | [diff] [blame] | 130 | /* Header contains the number of jacks, aka groups of 4 dwords */ |
| 131 | u32 verb_size = 4 * verb_table[idx + 2]; |
Angel Pons | d425ddd | 2020-12-05 18:22:58 +0100 | [diff] [blame] | 132 | if (verb_table[idx] != viddid) { |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 133 | idx += verb_size + 3; // skip verb + header |
| 134 | continue; |
| 135 | } |
Angel Pons | d425ddd | 2020-12-05 18:22:58 +0100 | [diff] [blame] | 136 | *verb = &verb_table[idx + 3]; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 137 | return verb_size; |
| 138 | } |
| 139 | |
| 140 | /* Not all codecs need to load another verb */ |
| 141 | return 0; |
| 142 | } |
| 143 | |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 144 | /* |
| 145 | * Wait 50usec for the codec to indicate it is ready. |
| 146 | * No response would imply that the codec is non-operative. |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 147 | */ |
| 148 | |
Kevin Paul Herbert | bde6d30 | 2014-12-24 18:43:20 -0800 | [diff] [blame] | 149 | static int wait_for_ready(u8 *base) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 150 | { |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 151 | struct stopwatch sw; |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 152 | /* Use a 50 usec timeout - the Linux kernel uses the same duration */ |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 153 | stopwatch_init_usecs_expire(&sw, 50); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 154 | |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 155 | while (!stopwatch_expired(&sw)) { |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 156 | u32 reg32 = read32(base + HDA_ICII_REG); |
| 157 | if (!(reg32 & HDA_ICII_BUSY)) |
| 158 | return 0; |
| 159 | udelay(1); |
| 160 | } |
| 161 | |
| 162 | return -1; |
| 163 | } |
| 164 | |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 165 | /* |
Angel Pons | fa1befc | 2021-03-18 14:12:32 +0100 | [diff] [blame] | 166 | * Wait for the codec to indicate that it accepted the previous command. |
| 167 | * No response would imply that the codec is non-operative. |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 168 | */ |
| 169 | |
Kevin Paul Herbert | bde6d30 | 2014-12-24 18:43:20 -0800 | [diff] [blame] | 170 | static int wait_for_valid(u8 *base) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 171 | { |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 172 | struct stopwatch sw; |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 173 | u32 reg32; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 174 | |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 175 | /* Send the verb to the codec */ |
| 176 | reg32 = read32(base + HDA_ICII_REG); |
| 177 | reg32 |= HDA_ICII_BUSY | HDA_ICII_VALID; |
| 178 | write32(base + HDA_ICII_REG, reg32); |
| 179 | |
Angel Pons | fa1befc | 2021-03-18 14:12:32 +0100 | [diff] [blame] | 180 | /* |
| 181 | * The timeout is never reached when the codec is functioning properly. |
| 182 | * Using a small timeout value can result in spurious errors with some |
| 183 | * codecs, e.g. a codec that is slow to respond but operates correctly. |
| 184 | * When a codec is non-operative, the timeout is only reached once per |
| 185 | * verb table, thus the impact on booting time is relatively small. So, |
| 186 | * use a reasonably long enough timeout to cover all possible cases. |
| 187 | */ |
| 188 | stopwatch_init_msecs_expire(&sw, 1); |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 189 | while (!stopwatch_expired(&sw)) { |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 190 | reg32 = read32(base + HDA_ICII_REG); |
| 191 | if ((reg32 & (HDA_ICII_VALID | HDA_ICII_BUSY)) == HDA_ICII_VALID) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 192 | return 0; |
| 193 | udelay(1); |
| 194 | } |
| 195 | |
| 196 | return -1; |
| 197 | } |
| 198 | |
Angel Pons | 44c431e | 2021-02-08 12:37:56 +0100 | [diff] [blame] | 199 | static int azalia_write_verb(u8 *base, u32 verb) |
| 200 | { |
| 201 | if (wait_for_ready(base) < 0) |
| 202 | return -1; |
| 203 | |
| 204 | write32(base + HDA_IC_REG, verb); |
| 205 | |
| 206 | return wait_for_valid(base); |
| 207 | } |
| 208 | |
| 209 | int azalia_program_verb_table(u8 *base, const u32 *verbs, u32 verb_size) |
| 210 | { |
| 211 | if (!verbs) |
| 212 | return 0; |
| 213 | |
| 214 | for (u32 i = 0; i < verb_size; i++) { |
| 215 | if (azalia_write_verb(base, verbs[i]) < 0) |
| 216 | return -1; |
| 217 | } |
| 218 | return 0; |
| 219 | } |
| 220 | |
Angel Pons | d6d71ce | 2021-02-08 12:47:29 +0100 | [diff] [blame] | 221 | __weak void mainboard_azalia_program_runtime_verbs(u8 *base, u32 viddid) |
| 222 | { |
| 223 | } |
| 224 | |
Kevin Paul Herbert | bde6d30 | 2014-12-24 18:43:20 -0800 | [diff] [blame] | 225 | static void codec_init(struct device *dev, u8 *base, int addr) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 226 | { |
| 227 | u32 reg32; |
| 228 | const u32 *verb; |
| 229 | u32 verb_size; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 230 | |
| 231 | printk(BIOS_DEBUG, "azalia_audio: Initializing codec #%d\n", addr); |
| 232 | |
| 233 | /* 1 */ |
Angel Pons | 554713e | 2020-10-24 23:23:07 +0200 | [diff] [blame] | 234 | if (wait_for_ready(base) < 0) { |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 235 | printk(BIOS_DEBUG, " codec not ready.\n"); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 236 | return; |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 237 | } |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 238 | |
| 239 | reg32 = (addr << 28) | 0x000f0000; |
Elyes HAOUAS | d8c4799 | 2020-08-03 15:31:39 +0200 | [diff] [blame] | 240 | write32(base + HDA_IC_REG, reg32); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 241 | |
Angel Pons | 554713e | 2020-10-24 23:23:07 +0200 | [diff] [blame] | 242 | if (wait_for_valid(base) < 0) { |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 243 | printk(BIOS_DEBUG, " codec not valid.\n"); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 244 | return; |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 245 | } |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 246 | |
| 247 | /* 2 */ |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 248 | reg32 = read32(base + HDA_IR_REG); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 249 | printk(BIOS_DEBUG, "azalia_audio: codec viddid: %08x\n", reg32); |
Angel Pons | d425ddd | 2020-12-05 18:22:58 +0100 | [diff] [blame] | 250 | verb_size = azalia_find_verb(cim_verb_data, cim_verb_data_size, reg32, &verb); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 251 | |
| 252 | if (!verb_size) { |
| 253 | printk(BIOS_DEBUG, "azalia_audio: No verb!\n"); |
| 254 | return; |
| 255 | } |
Angel Pons | 2e77443 | 2021-02-08 12:40:06 +0100 | [diff] [blame] | 256 | printk(BIOS_DEBUG, "azalia_audio: verb_size: %u\n", verb_size); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 257 | |
| 258 | /* 3 */ |
Angel Pons | 44c431e | 2021-02-08 12:37:56 +0100 | [diff] [blame] | 259 | azalia_program_verb_table(base, verb, verb_size); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 260 | printk(BIOS_DEBUG, "azalia_audio: verb loaded.\n"); |
Angel Pons | d6d71ce | 2021-02-08 12:47:29 +0100 | [diff] [blame] | 261 | |
| 262 | mainboard_azalia_program_runtime_verbs(base, reg32); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 263 | } |
| 264 | |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 265 | static void codecs_init(struct device *dev, u8 *base, u16 codec_mask) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 266 | { |
| 267 | int i; |
| 268 | |
Angel Pons | 5d31dfa | 2021-03-18 16:00:14 +0100 | [diff] [blame] | 269 | for (i = CONFIG_AZALIA_MAX_CODECS - 1; i >= 0; i--) { |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 270 | if (codec_mask & (1 << i)) |
| 271 | codec_init(dev, base, i); |
| 272 | } |
Patrick Rudolph | 1834fbb | 2021-02-16 10:03:07 +0100 | [diff] [blame^] | 273 | |
| 274 | azalia_program_verb_table(base, pc_beep_verbs, pc_beep_verbs_size); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | void azalia_audio_init(struct device *dev) |
| 278 | { |
Kevin Paul Herbert | bde6d30 | 2014-12-24 18:43:20 -0800 | [diff] [blame] | 279 | u8 *base; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 280 | struct resource *res; |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 281 | u16 codec_mask; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 282 | |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 283 | res = find_resource(dev, PCI_BASE_ADDRESS_0); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 284 | if (!res) |
| 285 | return; |
| 286 | |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 287 | // NOTE this will break as soon as the azalia_audio get's a bar above 4G. |
| 288 | // Is there anything we can do about it? |
Kevin Paul Herbert | bde6d30 | 2014-12-24 18:43:20 -0800 | [diff] [blame] | 289 | base = res2mmio(res, 0, 0); |
| 290 | printk(BIOS_DEBUG, "azalia_audio: base = %p\n", base); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 291 | codec_mask = codec_detect(base); |
| 292 | |
| 293 | if (codec_mask) { |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 294 | printk(BIOS_DEBUG, "azalia_audio: codec_mask = %02x\n", codec_mask); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 295 | codecs_init(dev, base, codec_mask); |
| 296 | } |
| 297 | } |
| 298 | |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 299 | struct device_operations default_azalia_audio_ops = { |
| 300 | .read_resources = pci_dev_read_resources, |
| 301 | .set_resources = pci_dev_set_resources, |
| 302 | .enable_resources = pci_dev_enable_resources, |
| 303 | .init = azalia_audio_init, |
Angel Pons | 1fc0edd | 2020-05-31 00:03:28 +0200 | [diff] [blame] | 304 | .ops_pci = &pci_dev_ops_pci, |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 305 | }; |