+++ /dev/null
-/*
- * 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 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_encoder_is_digital(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];
-}
/*
+ * 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);
+}
+
+static 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_encoder_is_digital(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];
+}
+
+/*
* calculate CTS and N values if they are not found in the table
*/
static void r600_hdmi_calc_cts(uint32_t clock, int *CTS, int *N, int freq)
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