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Commit 72156676 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: consolidate r600_audio.c into r600_hdmi.c



Most of that functionality is only used by r600_hdmi.c
and I'm planning to change that further.

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d740a933
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+1 −1
Original line number Diff line number Diff line
@@ -72,7 +72,7 @@ radeon-y += radeon_device.o radeon_asic.o radeon_kms.o \
	radeon_cs.o radeon_bios.o radeon_benchmark.o r100.o r300.o r420.o \
	rs400.o rs600.o rs690.o rv515.o r520.o r600.o rv770.o radeon_test.o \
	r200.o radeon_legacy_tv.o r600_cs.o r600_blit_shaders.o \
	radeon_pm.o atombios_dp.o r600_audio.o r600_hdmi.o dce3_1_afmt.o \
	radeon_pm.o atombios_dp.o r600_hdmi.o dce3_1_afmt.o \
	evergreen.o evergreen_cs.o evergreen_blit_shaders.o \
	evergreen_hdmi.o radeon_trace_points.o ni.o cayman_blit_shaders.o \
	atombios_encoders.o radeon_semaphore.o radeon_sa.o atombios_i2c.o si.o \
+0 −184
Original line number Diff line number Diff line
/*
 * 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];
}
+154 −0
Original line number Diff line number Diff line
@@ -71,6 +71,160 @@ static const struct radeon_hdmi_acr r600_hdmi_predefined_acr[] = {
};


/*
 * 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
 */
+0 −1
Original line number Diff line number Diff line
@@ -392,7 +392,6 @@ void r600_disable_interrupts(struct radeon_device *rdev);
void r600_rlc_stop(struct radeon_device *rdev);
/* r600 audio */
int r600_audio_init(struct radeon_device *rdev);
struct r600_audio_pin r600_audio_status(struct radeon_device *rdev);
void r600_audio_fini(struct radeon_device *rdev);
void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock);
void r600_hdmi_update_avi_infoframe(struct drm_encoder *encoder, void *buffer,