diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_audio.c')
-rw-r--r-- | drivers/gpu/drm/radeon/r600_audio.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c deleted file mode 100644 index bffac10c4296..000000000000 --- a/drivers/gpu/drm/radeon/r600_audio.c +++ /dev/null @@ -1,207 +0,0 @@ -/* - * Copyright 2008 Advanced Micro Devices, Inc. - * Copyright 2008 Red Hat Inc. - * Copyright 2009 Christian König. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: Christian König - */ -#include <drm/drmP.h> -#include "radeon.h" -#include "radeon_reg.h" -#include "radeon_asic.h" -#include "atom.h" - -/* - * check if enc_priv stores radeon_encoder_atom_dig - */ -static bool radeon_dig_encoder(struct drm_encoder *encoder) -{ - struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); - switch (radeon_encoder->encoder_id) { - case ENCODER_OBJECT_ID_INTERNAL_LVDS: - case ENCODER_OBJECT_ID_INTERNAL_TMDS1: - case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: - case ENCODER_OBJECT_ID_INTERNAL_LVTM1: - case ENCODER_OBJECT_ID_INTERNAL_DVO1: - case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: - case ENCODER_OBJECT_ID_INTERNAL_DDI: - case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: - case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA: - case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: - case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: - return true; - } - return false; -} - -/* - * check if the chipset is supported - */ -static int r600_audio_chipset_supported(struct radeon_device *rdev) -{ - return ASIC_IS_DCE2(rdev) && !ASIC_IS_NODCE(rdev); -} - -struct r600_audio_pin r600_audio_status(struct radeon_device *rdev) -{ - struct r600_audio_pin status; - uint32_t value; - - value = RREG32(R600_AUDIO_RATE_BPS_CHANNEL); - - /* number of channels */ - status.channels = (value & 0x7) + 1; - - /* bits per sample */ - switch ((value & 0xF0) >> 4) { - case 0x0: - status.bits_per_sample = 8; - break; - case 0x1: - status.bits_per_sample = 16; - break; - case 0x2: - status.bits_per_sample = 20; - break; - case 0x3: - status.bits_per_sample = 24; - break; - case 0x4: - status.bits_per_sample = 32; - break; - default: - dev_err(rdev->dev, "Unknown bits per sample 0x%x, using 16\n", - (int)value); - status.bits_per_sample = 16; - } - - /* current sampling rate in HZ */ - if (value & 0x4000) - status.rate = 44100; - else - status.rate = 48000; - status.rate *= ((value >> 11) & 0x7) + 1; - status.rate /= ((value >> 8) & 0x7) + 1; - - value = RREG32(R600_AUDIO_STATUS_BITS); - - /* iec 60958 status bits */ - status.status_bits = value & 0xff; - - /* iec 60958 category code */ - status.category_code = (value >> 8) & 0xff; - - return status; -} - -/* - * update all hdmi interfaces with current audio parameters - */ -void r600_audio_update_hdmi(struct work_struct *work) -{ - struct radeon_device *rdev = container_of(work, struct radeon_device, - audio_work); - struct drm_device *dev = rdev->ddev; - struct r600_audio_pin audio_status = r600_audio_status(rdev); - struct drm_encoder *encoder; - bool changed = false; - - if (rdev->audio.pin[0].channels != audio_status.channels || - rdev->audio.pin[0].rate != audio_status.rate || - rdev->audio.pin[0].bits_per_sample != audio_status.bits_per_sample || - rdev->audio.pin[0].status_bits != audio_status.status_bits || - rdev->audio.pin[0].category_code != audio_status.category_code) { - rdev->audio.pin[0] = audio_status; - changed = true; - } - - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - if (!radeon_dig_encoder(encoder)) - continue; - if (changed || r600_hdmi_buffer_status_changed(encoder)) - r600_hdmi_update_audio_settings(encoder); - } -} - -/* enable the audio stream */ -void r600_audio_enable(struct radeon_device *rdev, - struct r600_audio_pin *pin, - bool enable) -{ - u32 value = 0; - - if (!pin) - return; - - if (ASIC_IS_DCE4(rdev)) { - if (enable) { - value |= 0x81000000; /* Required to enable audio */ - value |= 0x0e1000f0; /* fglrx sets that too */ - } - WREG32(EVERGREEN_AUDIO_ENABLE, value); - } else { - WREG32_P(R600_AUDIO_ENABLE, - enable ? 0x81000000 : 0x0, ~0x81000000); - } -} - -/* - * initialize the audio vars - */ -int r600_audio_init(struct radeon_device *rdev) -{ - if (!radeon_audio || !r600_audio_chipset_supported(rdev)) - return 0; - - rdev->audio.enabled = true; - - rdev->audio.num_pins = 1; - rdev->audio.pin[0].channels = -1; - rdev->audio.pin[0].rate = -1; - rdev->audio.pin[0].bits_per_sample = -1; - rdev->audio.pin[0].status_bits = 0; - rdev->audio.pin[0].category_code = 0; - rdev->audio.pin[0].id = 0; - /* disable audio. it will be set up later */ - r600_audio_enable(rdev, &rdev->audio.pin[0], false); - - return 0; -} - -/* - * release the audio timer - * TODO: How to do this correctly on SMP systems? - */ -void r600_audio_fini(struct radeon_device *rdev) -{ - if (!rdev->audio.enabled) - return; - - r600_audio_enable(rdev, &rdev->audio.pin[0], false); - - rdev->audio.enabled = false; -} - -struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev) -{ - /* only one pin on 6xx-NI */ - return &rdev->audio.pin[0]; -} |