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> |
Nicholas Sudsgaard | 516d05f | 2024-02-02 18:21:34 +0900 | [diff] [blame] | 10 | #include <types.h> |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 11 | |
Angel Pons | 61dd836 | 2020-12-05 18:02:32 +0100 | [diff] [blame] | 12 | int azalia_set_bits(void *port, u32 mask, u32 val) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 13 | { |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 14 | struct stopwatch sw; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 15 | u32 reg32; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 16 | |
| 17 | /* Write (val & mask) to port */ |
| 18 | val &= mask; |
| 19 | reg32 = read32(port); |
| 20 | reg32 &= ~mask; |
| 21 | reg32 |= val; |
| 22 | write32(port, reg32); |
| 23 | |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 24 | /* 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] | 25 | stopwatch_init_msecs_expire(&sw, 50); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 26 | do { |
| 27 | /* Wait 1ms based on BKDG wait time */ |
| 28 | mdelay(1); |
| 29 | reg32 = read32(port); |
| 30 | reg32 &= mask; |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 31 | } while ((reg32 != val) && !stopwatch_expired(&sw)); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 32 | |
| 33 | /* Timeout occurred */ |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 34 | if (stopwatch_expired(&sw)) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 35 | return -1; |
| 36 | return 0; |
| 37 | } |
| 38 | |
Angel Pons | 4919028 | 2020-12-05 18:52:38 +0100 | [diff] [blame] | 39 | int azalia_enter_reset(u8 *base) |
| 40 | { |
| 41 | /* Set bit 0 to 0 to enter reset state (BAR + 0x8)[0] */ |
| 42 | return azalia_set_bits(base + HDA_GCTL_REG, HDA_GCTL_CRST, 0); |
| 43 | } |
| 44 | |
| 45 | int azalia_exit_reset(u8 *base) |
| 46 | { |
| 47 | /* Set bit 0 to 1 to exit reset state (BAR + 0x8)[0] */ |
| 48 | return azalia_set_bits(base + HDA_GCTL_REG, HDA_GCTL_CRST, HDA_GCTL_CRST); |
| 49 | } |
| 50 | |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 51 | static u16 codec_detect(u8 *base) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 52 | { |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 53 | struct stopwatch sw; |
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 | |
Angel Pons | b922cbb | 2021-03-22 14:21:28 +0100 | [diff] [blame] | 59 | if (CONFIG(AZALIA_LOCK_DOWN_R_WO_GCAP)) { |
| 60 | /* If GCAP is R/WO, lock it down after deasserting controller reset */ |
| 61 | write16(base + HDA_GCAP_REG, read16(base + HDA_GCAP_REG)); |
| 62 | } |
| 63 | |
Elyes Haouas | fd93cff | 2022-02-20 11:09:07 +0100 | [diff] [blame] | 64 | /* clear STATESTS bits (BAR + 0x0e)[14:0] */ |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 65 | reg16 = read16(base + HDA_STATESTS_REG); |
Elyes Haouas | fd93cff | 2022-02-20 11:09:07 +0100 | [diff] [blame] | 66 | reg16 |= 0x7fff; |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 67 | write16(base + HDA_STATESTS_REG, reg16); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 68 | |
| 69 | /* Wait for readback of register to |
| 70 | * match what was just written to it |
| 71 | */ |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 72 | stopwatch_init_msecs_expire(&sw, 50); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 73 | do { |
| 74 | /* Wait 1ms based on BKDG wait time */ |
| 75 | mdelay(1); |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 76 | reg16 = read16(base + HDA_STATESTS_REG); |
| 77 | } while ((reg16 != 0) && !stopwatch_expired(&sw)); |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 78 | |
Martin Roth | 2ed0aa2 | 2016-01-05 20:58:58 -0700 | [diff] [blame] | 79 | /* Timeout occurred */ |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 80 | if (stopwatch_expired(&sw)) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 81 | goto no_codec; |
| 82 | |
Angel Pons | 2e0053b | 2020-12-05 19:06:55 +0100 | [diff] [blame] | 83 | if (azalia_enter_reset(base) < 0) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 84 | goto no_codec; |
| 85 | |
Angel Pons | 7f839f6 | 2020-12-05 19:02:14 +0100 | [diff] [blame] | 86 | if (azalia_exit_reset(base) < 0) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 87 | goto no_codec; |
| 88 | |
Elyes Haouas | fd93cff | 2022-02-20 11:09:07 +0100 | [diff] [blame] | 89 | /* Read in Codec location (BAR + 0x0e)[14:0] */ |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 90 | reg16 = read16(base + HDA_STATESTS_REG); |
Elyes Haouas | fd93cff | 2022-02-20 11:09:07 +0100 | [diff] [blame] | 91 | reg16 &= 0x7fff; |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 92 | if (!reg16) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 93 | goto no_codec; |
| 94 | |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 95 | return reg16; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 96 | |
| 97 | no_codec: |
| 98 | /* Codec Not found */ |
| 99 | /* Put HDA back in reset (BAR + 0x8) [0] */ |
Angel Pons | 61dd836 | 2020-12-05 18:02:32 +0100 | [diff] [blame] | 100 | azalia_set_bits(base + HDA_GCTL_REG, 1, 0); |
Nicholas Sudsgaard | 516d05f | 2024-02-02 18:21:34 +0900 | [diff] [blame] | 101 | printk(BIOS_DEBUG, "azalia_audio: no codec!\n"); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 102 | return 0; |
| 103 | } |
| 104 | |
Angel Pons | d3f7028 | 2020-12-05 18:28:33 +0100 | [diff] [blame] | 105 | /* |
| 106 | * Find a specific entry within a verb table |
| 107 | * |
| 108 | * @param verb_table: verb table data |
| 109 | * @param verb_table_bytes: verb table size in bytes |
| 110 | * @param viddid: vendor/device to search for |
| 111 | * @param verb: pointer to entry within table |
| 112 | * |
| 113 | * Returns size of the entry within the verb table, |
| 114 | * Returns 0 if the entry is not found |
| 115 | * |
| 116 | * The HDA verb table is composed of dwords. A set of 4 dwords is |
| 117 | * grouped together to form a "jack" descriptor. |
| 118 | * Bits 31:28 - Codec Address |
| 119 | * Bits 27:20 - NID |
| 120 | * Bits 19:8 - Verb ID |
| 121 | * Bits 7:0 - Payload |
| 122 | * |
| 123 | * coreboot groups different codec verb tables into a single table |
| 124 | * and prefixes each with a specific header consisting of 3 |
| 125 | * dword entries: |
| 126 | * 1 - Codec Vendor/Device ID |
| 127 | * 2 - Subsystem ID |
| 128 | * 3 - Number of jacks (groups of 4 dwords) for this codec |
| 129 | */ |
Angel Pons | d425ddd | 2020-12-05 18:22:58 +0100 | [diff] [blame] | 130 | 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] | 131 | { |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 132 | int idx = 0; |
| 133 | |
Angel Pons | d425ddd | 2020-12-05 18:22:58 +0100 | [diff] [blame] | 134 | while (idx < (verb_table_bytes / sizeof(u32))) { |
Angel Pons | f23c6a8 | 2020-12-05 18:32:05 +0100 | [diff] [blame] | 135 | /* Header contains the number of jacks, aka groups of 4 dwords */ |
| 136 | u32 verb_size = 4 * verb_table[idx + 2]; |
Angel Pons | d425ddd | 2020-12-05 18:22:58 +0100 | [diff] [blame] | 137 | if (verb_table[idx] != viddid) { |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 138 | idx += verb_size + 3; // skip verb + header |
| 139 | continue; |
| 140 | } |
Angel Pons | d425ddd | 2020-12-05 18:22:58 +0100 | [diff] [blame] | 141 | *verb = &verb_table[idx + 3]; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 142 | return verb_size; |
| 143 | } |
| 144 | |
| 145 | /* Not all codecs need to load another verb */ |
| 146 | return 0; |
| 147 | } |
| 148 | |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 149 | /* |
| 150 | * Wait 50usec for the codec to indicate it is ready. |
| 151 | * No response would imply that the codec is non-operative. |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 152 | */ |
| 153 | |
Kevin Paul Herbert | bde6d30 | 2014-12-24 18:43:20 -0800 | [diff] [blame] | 154 | static int wait_for_ready(u8 *base) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 155 | { |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 156 | struct stopwatch sw; |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 157 | /* Use a 50 usec timeout - the Linux kernel uses the same duration */ |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 158 | stopwatch_init_usecs_expire(&sw, 50); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 159 | |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 160 | while (!stopwatch_expired(&sw)) { |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 161 | u32 reg32 = read32(base + HDA_ICII_REG); |
| 162 | if (!(reg32 & HDA_ICII_BUSY)) |
| 163 | return 0; |
| 164 | udelay(1); |
| 165 | } |
| 166 | |
| 167 | return -1; |
| 168 | } |
| 169 | |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 170 | /* |
Angel Pons | fa1befc | 2021-03-18 14:12:32 +0100 | [diff] [blame] | 171 | * Wait for the codec to indicate that it accepted the previous command. |
| 172 | * No response would imply that the codec is non-operative. |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 173 | */ |
| 174 | |
Kevin Paul Herbert | bde6d30 | 2014-12-24 18:43:20 -0800 | [diff] [blame] | 175 | static int wait_for_valid(u8 *base) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 176 | { |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 177 | struct stopwatch sw; |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 178 | u32 reg32; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 179 | |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 180 | /* Send the verb to the codec */ |
| 181 | reg32 = read32(base + HDA_ICII_REG); |
| 182 | reg32 |= HDA_ICII_BUSY | HDA_ICII_VALID; |
| 183 | write32(base + HDA_ICII_REG, reg32); |
| 184 | |
Angel Pons | fa1befc | 2021-03-18 14:12:32 +0100 | [diff] [blame] | 185 | /* |
| 186 | * The timeout is never reached when the codec is functioning properly. |
| 187 | * Using a small timeout value can result in spurious errors with some |
| 188 | * codecs, e.g. a codec that is slow to respond but operates correctly. |
| 189 | * When a codec is non-operative, the timeout is only reached once per |
| 190 | * verb table, thus the impact on booting time is relatively small. So, |
| 191 | * use a reasonably long enough timeout to cover all possible cases. |
| 192 | */ |
| 193 | stopwatch_init_msecs_expire(&sw, 1); |
Patrick Rudolph | 9f5261e | 2021-02-16 09:18:07 +0100 | [diff] [blame] | 194 | while (!stopwatch_expired(&sw)) { |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 195 | reg32 = read32(base + HDA_ICII_REG); |
| 196 | if ((reg32 & (HDA_ICII_VALID | HDA_ICII_BUSY)) == HDA_ICII_VALID) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 197 | return 0; |
| 198 | udelay(1); |
| 199 | } |
| 200 | |
| 201 | return -1; |
| 202 | } |
| 203 | |
Angel Pons | 44c431e | 2021-02-08 12:37:56 +0100 | [diff] [blame] | 204 | static int azalia_write_verb(u8 *base, u32 verb) |
| 205 | { |
| 206 | if (wait_for_ready(base) < 0) |
| 207 | return -1; |
| 208 | |
| 209 | write32(base + HDA_IC_REG, verb); |
| 210 | |
| 211 | return wait_for_valid(base); |
| 212 | } |
| 213 | |
| 214 | int azalia_program_verb_table(u8 *base, const u32 *verbs, u32 verb_size) |
| 215 | { |
| 216 | if (!verbs) |
| 217 | return 0; |
| 218 | |
| 219 | for (u32 i = 0; i < verb_size; i++) { |
| 220 | if (azalia_write_verb(base, verbs[i]) < 0) |
| 221 | return -1; |
| 222 | } |
| 223 | return 0; |
| 224 | } |
| 225 | |
Angel Pons | d6d71ce | 2021-02-08 12:47:29 +0100 | [diff] [blame] | 226 | __weak void mainboard_azalia_program_runtime_verbs(u8 *base, u32 viddid) |
| 227 | { |
| 228 | } |
| 229 | |
Nicholas Sudsgaard | 516d05f | 2024-02-02 18:21:34 +0900 | [diff] [blame] | 230 | static bool codec_is_operative(u8 *base, const int addr) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 231 | { |
Angel Pons | 554713e | 2020-10-24 23:23:07 +0200 | [diff] [blame] | 232 | if (wait_for_ready(base) < 0) { |
Nicholas Sudsgaard | 516d05f | 2024-02-02 18:21:34 +0900 | [diff] [blame] | 233 | printk(BIOS_DEBUG, "azalia_audio: codec #%d not ready\n", addr); |
| 234 | return false; |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 235 | } |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 236 | |
Nicholas Sudsgaard | 516d05f | 2024-02-02 18:21:34 +0900 | [diff] [blame] | 237 | const u32 reg32 = (addr << 28) | 0x000f0000; |
Elyes HAOUAS | d8c4799 | 2020-08-03 15:31:39 +0200 | [diff] [blame] | 238 | write32(base + HDA_IC_REG, reg32); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 239 | |
Angel Pons | 554713e | 2020-10-24 23:23:07 +0200 | [diff] [blame] | 240 | if (wait_for_valid(base) < 0) { |
Nicholas Sudsgaard | 516d05f | 2024-02-02 18:21:34 +0900 | [diff] [blame] | 241 | printk(BIOS_DEBUG, "azalia_audio: codec #%d not valid\n", addr); |
| 242 | return false; |
| 243 | } |
| 244 | return true; |
| 245 | } |
| 246 | |
| 247 | void azalia_codec_init(u8 *base, int addr, const u32 *verb_table, u32 verb_table_bytes) |
| 248 | { |
| 249 | const u32 viddid = read32(base + HDA_IR_REG); |
| 250 | const u32 *verb; |
| 251 | u32 verb_size; |
| 252 | |
| 253 | printk(BIOS_DEBUG, "azalia_audio: initializing codec #%d...\n", addr); |
| 254 | printk(BIOS_DEBUG, "azalia_audio: - vendor/device id: 0x%08x\n", viddid); |
| 255 | |
| 256 | verb_size = azalia_find_verb(verb_table, verb_table_bytes, viddid, &verb); |
| 257 | |
| 258 | if (verb_size == 0) { |
| 259 | printk(BIOS_DEBUG, "azalia_audio: - no verb!\n"); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 260 | return; |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 261 | } |
Nicholas Sudsgaard | 516d05f | 2024-02-02 18:21:34 +0900 | [diff] [blame] | 262 | printk(BIOS_DEBUG, "azalia_audio: - verb size: %u\n", verb_size); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 263 | |
Nicholas Sudsgaard | 516d05f | 2024-02-02 18:21:34 +0900 | [diff] [blame] | 264 | if (azalia_program_verb_table(base, verb, verb_size) < 0) |
| 265 | printk(BIOS_DEBUG, "azalia_audio: - verb not loaded\n"); |
Angel Pons | 1297b9c | 2021-11-10 17:47:22 +0100 | [diff] [blame] | 266 | else |
Nicholas Sudsgaard | 516d05f | 2024-02-02 18:21:34 +0900 | [diff] [blame] | 267 | printk(BIOS_DEBUG, "azalia_audio: - verb loaded\n"); |
Angel Pons | d6d71ce | 2021-02-08 12:47:29 +0100 | [diff] [blame] | 268 | |
Nicholas Sudsgaard | 516d05f | 2024-02-02 18:21:34 +0900 | [diff] [blame] | 269 | mainboard_azalia_program_runtime_verbs(base, viddid); |
| 270 | } |
| 271 | |
| 272 | static bool codec_can_init(const u16 codec_mask, u8 *base, const int addr) |
| 273 | { |
| 274 | return codec_mask & (1 << addr) && codec_is_operative(base, addr); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 275 | } |
| 276 | |
Angel Pons | aae6b55 | 2021-11-10 18:10:38 +0100 | [diff] [blame] | 277 | void azalia_codecs_init(u8 *base, u16 codec_mask) |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 278 | { |
Nicholas Sudsgaard | 516d05f | 2024-02-02 18:21:34 +0900 | [diff] [blame] | 279 | for (int i = AZALIA_MAX_CODECS - 1; i >= 0; i--) { |
| 280 | if (codec_can_init(codec_mask, base, i)) |
Angel Pons | 86dfd3c | 2021-11-10 17:58:12 +0100 | [diff] [blame] | 281 | azalia_codec_init(base, i, cim_verb_data, cim_verb_data_size); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 282 | } |
Patrick Rudolph | 1834fbb | 2021-02-16 10:03:07 +0100 | [diff] [blame] | 283 | |
| 284 | azalia_program_verb_table(base, pc_beep_verbs, pc_beep_verbs_size); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 285 | } |
| 286 | |
| 287 | void azalia_audio_init(struct device *dev) |
| 288 | { |
Kevin Paul Herbert | bde6d30 | 2014-12-24 18:43:20 -0800 | [diff] [blame] | 289 | u8 *base; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 290 | struct resource *res; |
Angel Pons | 6da7866 | 2021-03-18 15:43:42 +0100 | [diff] [blame] | 291 | u16 codec_mask; |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 292 | |
Angel Pons | 32d09be | 2021-11-03 13:27:45 +0100 | [diff] [blame] | 293 | res = probe_resource(dev, PCI_BASE_ADDRESS_0); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 294 | if (!res) |
| 295 | return; |
| 296 | |
Martin Roth | 0949e73 | 2021-10-01 14:28:22 -0600 | [diff] [blame] | 297 | // NOTE this will break as soon as the azalia_audio gets a bar above 4G. |
Elyes HAOUAS | 6ea24ff | 2020-08-11 09:21:24 +0200 | [diff] [blame] | 298 | // Is there anything we can do about it? |
Kevin Paul Herbert | bde6d30 | 2014-12-24 18:43:20 -0800 | [diff] [blame] | 299 | base = res2mmio(res, 0, 0); |
| 300 | printk(BIOS_DEBUG, "azalia_audio: base = %p\n", base); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 301 | codec_mask = codec_detect(base); |
| 302 | |
| 303 | if (codec_mask) { |
Nicholas Sudsgaard | 516d05f | 2024-02-02 18:21:34 +0900 | [diff] [blame] | 304 | printk(BIOS_DEBUG, "azalia_audio: codec_mask = 0x%02x\n", codec_mask); |
Angel Pons | aae6b55 | 2021-11-10 18:10:38 +0100 | [diff] [blame] | 305 | azalia_codecs_init(base, codec_mask); |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 306 | } |
| 307 | } |
| 308 | |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 309 | struct device_operations default_azalia_audio_ops = { |
| 310 | .read_resources = pci_dev_read_resources, |
| 311 | .set_resources = pci_dev_set_resources, |
| 312 | .enable_resources = pci_dev_enable_resources, |
| 313 | .init = azalia_audio_init, |
Angel Pons | 1fc0edd | 2020-05-31 00:03:28 +0200 | [diff] [blame] | 314 | .ops_pci = &pci_dev_ops_pci, |
Andrew Wu | b7bb70d | 2013-08-12 20:07:47 +0800 | [diff] [blame] | 315 | }; |