Slava Grigorev | bfc1f97 | 2014-12-22 17:26:51 -0500 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2014 Advanced Micro Devices, Inc. |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 20 | * OTHER DEALINGS IN THE SOFTWARE. |
| 21 | * |
| 22 | * Authors: Slava Grigorev <slava.grigorev@amd.com> |
| 23 | */ |
| 24 | |
| 25 | #include <drm/drmP.h> |
| 26 | #include "radeon.h" |
| 27 | |
| 28 | void r600_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin, |
| 29 | u8 enable_mask); |
| 30 | void dce6_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin, |
| 31 | u8 enable_mask); |
| 32 | |
| 33 | static const u32 pin_offsets[7] = |
| 34 | { |
| 35 | (0x5e00 - 0x5e00), |
| 36 | (0x5e18 - 0x5e00), |
| 37 | (0x5e30 - 0x5e00), |
| 38 | (0x5e48 - 0x5e00), |
| 39 | (0x5e60 - 0x5e00), |
| 40 | (0x5e78 - 0x5e00), |
| 41 | (0x5e90 - 0x5e00), |
| 42 | }; |
| 43 | |
| 44 | static int radeon_audio_chipset_supported(struct radeon_device *rdev) |
| 45 | { |
| 46 | return ASIC_IS_DCE2(rdev) && !ASIC_IS_NODCE(rdev); |
| 47 | } |
| 48 | |
| 49 | int radeon_audio_init(struct radeon_device *rdev) |
| 50 | { |
| 51 | int i; |
| 52 | |
| 53 | if (!radeon_audio || !radeon_audio_chipset_supported(rdev)) |
| 54 | return 0; |
| 55 | |
| 56 | rdev->audio.enabled = true; |
| 57 | |
| 58 | if (ASIC_IS_DCE83(rdev)) /* KB: 2 streams, 3 endpoints */ |
| 59 | rdev->audio.num_pins = 3; |
| 60 | else if (ASIC_IS_DCE81(rdev)) /* KV: 4 streams, 7 endpoints */ |
| 61 | rdev->audio.num_pins = 7; |
| 62 | else if (ASIC_IS_DCE8(rdev)) /* BN/HW: 6 streams, 7 endpoints */ |
| 63 | rdev->audio.num_pins = 7; |
| 64 | else if (ASIC_IS_DCE64(rdev)) /* OL: 2 streams, 2 endpoints */ |
| 65 | rdev->audio.num_pins = 2; |
| 66 | else if (ASIC_IS_DCE61(rdev)) /* TN: 4 streams, 6 endpoints */ |
| 67 | rdev->audio.num_pins = 6; |
| 68 | else if (ASIC_IS_DCE6(rdev)) /* SI: 6 streams, 6 endpoints */ |
| 69 | rdev->audio.num_pins = 6; |
| 70 | else |
| 71 | rdev->audio.num_pins = 1; |
| 72 | |
| 73 | for (i = 0; i < rdev->audio.num_pins; i++) { |
| 74 | rdev->audio.pin[i].channels = -1; |
| 75 | rdev->audio.pin[i].rate = -1; |
| 76 | rdev->audio.pin[i].bits_per_sample = -1; |
| 77 | rdev->audio.pin[i].status_bits = 0; |
| 78 | rdev->audio.pin[i].category_code = 0; |
| 79 | rdev->audio.pin[i].connected = false; |
| 80 | rdev->audio.pin[i].offset = pin_offsets[i]; |
| 81 | rdev->audio.pin[i].id = i; |
| 82 | /* disable audio. it will be set up later */ |
| 83 | if (ASIC_IS_DCE6(rdev)) |
| 84 | dce6_audio_enable(rdev, &rdev->audio.pin[i], false); |
| 85 | else |
| 86 | r600_audio_enable(rdev, &rdev->audio.pin[i], false); |
| 87 | } |
| 88 | |
| 89 | return 0; |
| 90 | } |