[deliverable/linux.git] / drivers / gpu / drm / radeon / radeon_audio.c

/*
 * Copyright 2014 Advanced Micro Devices, Inc.
 *
 * 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: Slava Grigorev <slava.grigorev@amd.com>
 */

#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include "radeon.h"
#include "atom.h"
#include "radeon_audio.h"

void r600_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin,
		u8 enable_mask);
void dce4_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin,
		u8 enable_mask);
void dce6_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin,
		u8 enable_mask);
u32 dce6_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg);
void dce6_endpoint_wreg(struct radeon_device *rdev,
		u32 offset, u32 reg, u32 v);
void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder,
		struct cea_sad *sads, int sad_count);
void evergreen_hdmi_write_sad_regs(struct drm_encoder *encoder,
		struct cea_sad *sads, int sad_count);
void dce6_afmt_write_sad_regs(struct drm_encoder *encoder,
		struct cea_sad *sads, int sad_count);
void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
		u8 *sadb, int sad_count);
void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
		u8 *sadb, int sad_count);
void dce4_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
		u8 *sadb, int sad_count);
void dce4_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
		u8 *sadb, int sad_count);
void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
		u8 *sadb, int sad_count);
void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
		u8 *sadb, int sad_count);
void dce4_afmt_write_latency_fields(struct drm_encoder *encoder,
		struct drm_connector *connector, struct drm_display_mode *mode);
void dce6_afmt_write_latency_fields(struct drm_encoder *encoder,
		struct drm_connector *connector, struct drm_display_mode *mode);
struct r600_audio_pin* r600_audio_get_pin(struct radeon_device *rdev);
struct r600_audio_pin* dce6_audio_get_pin(struct radeon_device *rdev);
void dce6_afmt_select_pin(struct drm_encoder *encoder);
void r600_hdmi_audio_set_dto(struct radeon_device *rdev,
	struct radeon_crtc *crtc, unsigned int clock);
void dce3_2_audio_set_dto(struct radeon_device *rdev,
	struct radeon_crtc *crtc, unsigned int clock);
void dce4_hdmi_audio_set_dto(struct radeon_device *rdev,
	struct radeon_crtc *crtc, unsigned int clock);
void dce4_dp_audio_set_dto(struct radeon_device *rdev,
	struct radeon_crtc *crtc, unsigned int clock);
void dce6_hdmi_audio_set_dto(struct radeon_device *rdev,
	struct radeon_crtc *crtc, unsigned int clock);
void dce6_dp_audio_set_dto(struct radeon_device *rdev,
	struct radeon_crtc *crtc, unsigned int clock);
void r600_update_avi_infoframe(struct radeon_device *rdev, u32 offset,
	unsigned char *buffer, size_t size);
void evergreen_update_avi_infoframe(struct radeon_device *rdev, u32 offset,
	unsigned char *buffer, size_t size);

static const u32 pin_offsets[7] =
{
	(0x5e00 - 0x5e00),
	(0x5e18 - 0x5e00),
	(0x5e30 - 0x5e00),
	(0x5e48 - 0x5e00),
	(0x5e60 - 0x5e00),
	(0x5e78 - 0x5e00),
	(0x5e90 - 0x5e00),
};

static u32 radeon_audio_rreg(struct radeon_device *rdev, u32 offset, u32 reg)
{
	return RREG32(reg);
}

static void radeon_audio_wreg(struct radeon_device *rdev, u32 offset,
		u32 reg, u32 v)
{
	WREG32(reg, v);
}

static struct radeon_audio_basic_funcs r600_funcs = {
	.endpoint_rreg = radeon_audio_rreg,
	.endpoint_wreg = radeon_audio_wreg,
	.enable = r600_audio_enable,
	.update_avi_infoframe = r600_update_avi_infoframe,
};

static struct radeon_audio_basic_funcs dce32_funcs = {
	.endpoint_rreg = radeon_audio_rreg,
	.endpoint_wreg = radeon_audio_wreg,
	.enable = r600_audio_enable,
	.update_avi_infoframe = r600_update_avi_infoframe,
};

static struct radeon_audio_basic_funcs dce4_funcs = {
	.endpoint_rreg = radeon_audio_rreg,
	.endpoint_wreg = radeon_audio_wreg,
	.enable = dce4_audio_enable,
	.update_avi_infoframe = evergreen_update_avi_infoframe,
};

static struct radeon_audio_basic_funcs dce6_funcs = {
	.endpoint_rreg = dce6_endpoint_rreg,
	.endpoint_wreg = dce6_endpoint_wreg,
	.enable = dce6_audio_enable,
	.update_avi_infoframe = evergreen_update_avi_infoframe,
};

static struct radeon_audio_funcs r600_hdmi_funcs = {
	.get_pin = r600_audio_get_pin,
	.set_dto = r600_hdmi_audio_set_dto,
};

static struct radeon_audio_funcs dce32_hdmi_funcs = {
	.get_pin = r600_audio_get_pin,
	.write_sad_regs = dce3_2_afmt_write_sad_regs,
	.write_speaker_allocation = dce3_2_afmt_hdmi_write_speaker_allocation,
	.set_dto = dce3_2_audio_set_dto,
};

static struct radeon_audio_funcs dce32_dp_funcs = {
	.get_pin = r600_audio_get_pin,
	.write_sad_regs = dce3_2_afmt_write_sad_regs,
	.write_speaker_allocation = dce3_2_afmt_dp_write_speaker_allocation,
	.set_dto = dce3_2_audio_set_dto,
};

static struct radeon_audio_funcs dce4_hdmi_funcs = {
	.get_pin = r600_audio_get_pin,
	.write_sad_regs = evergreen_hdmi_write_sad_regs,
	.write_speaker_allocation = dce4_afmt_hdmi_write_speaker_allocation,
	.write_latency_fields = dce4_afmt_write_latency_fields,
	.set_dto = dce4_hdmi_audio_set_dto,
};

static struct radeon_audio_funcs dce4_dp_funcs = {
	.get_pin = r600_audio_get_pin,
	.write_sad_regs = evergreen_hdmi_write_sad_regs,
	.write_speaker_allocation = dce4_afmt_dp_write_speaker_allocation,
	.write_latency_fields = dce4_afmt_write_latency_fields,
	.set_dto = dce4_dp_audio_set_dto,
};

static struct radeon_audio_funcs dce6_hdmi_funcs = {
	.select_pin = dce6_afmt_select_pin,
	.get_pin = dce6_audio_get_pin,
	.write_sad_regs = dce6_afmt_write_sad_regs,
	.write_speaker_allocation = dce6_afmt_hdmi_write_speaker_allocation,
	.write_latency_fields = dce6_afmt_write_latency_fields,
	.set_dto = dce6_hdmi_audio_set_dto,
};

static struct radeon_audio_funcs dce6_dp_funcs = {
	.select_pin = dce6_afmt_select_pin,
	.get_pin = dce6_audio_get_pin,
	.write_sad_regs = dce6_afmt_write_sad_regs,
	.write_speaker_allocation = dce6_afmt_dp_write_speaker_allocation,
	.write_latency_fields = dce6_afmt_write_latency_fields,
	.set_dto = dce6_dp_audio_set_dto,
};

static void radeon_audio_interface_init(struct radeon_device *rdev)
{
	if (ASIC_IS_DCE6(rdev)) {
		rdev->audio.funcs = &dce6_funcs;
		rdev->audio.hdmi_funcs = &dce6_hdmi_funcs;
		rdev->audio.dp_funcs = &dce6_dp_funcs;
	} else if (ASIC_IS_DCE4(rdev)) {
		rdev->audio.funcs = &dce4_funcs;
		rdev->audio.hdmi_funcs = &dce4_hdmi_funcs;
		rdev->audio.dp_funcs = &dce4_dp_funcs;
	} else if (ASIC_IS_DCE32(rdev)) {
		rdev->audio.funcs = &dce32_funcs;
		rdev->audio.hdmi_funcs = &dce32_hdmi_funcs;
		rdev->audio.dp_funcs = &dce32_dp_funcs;
	} else {
		rdev->audio.funcs = &r600_funcs;
		rdev->audio.hdmi_funcs = &r600_hdmi_funcs;
		rdev->audio.dp_funcs = 0;
	}
}

static int radeon_audio_chipset_supported(struct radeon_device *rdev)
{
	return ASIC_IS_DCE2(rdev) && !ASIC_IS_NODCE(rdev);
}

int radeon_audio_init(struct radeon_device *rdev)
{
	int i;

	if (!radeon_audio || !radeon_audio_chipset_supported(rdev))
		return 0;

	rdev->audio.enabled = true;

	if (ASIC_IS_DCE83(rdev))		/* KB: 2 streams, 3 endpoints */
		rdev->audio.num_pins = 3;
	else if (ASIC_IS_DCE81(rdev))	/* KV: 4 streams, 7 endpoints */
		rdev->audio.num_pins = 7;
	else if (ASIC_IS_DCE8(rdev))	/* BN/HW: 6 streams, 7 endpoints */
		rdev->audio.num_pins = 7;
	else if (ASIC_IS_DCE64(rdev))	/* OL: 2 streams, 2 endpoints */
		rdev->audio.num_pins = 2;
	else if (ASIC_IS_DCE61(rdev))	/* TN: 4 streams, 6 endpoints */
		rdev->audio.num_pins = 6;
	else if (ASIC_IS_DCE6(rdev))	/* SI: 6 streams, 6 endpoints */
		rdev->audio.num_pins = 6;
	else
		rdev->audio.num_pins = 1;

	for (i = 0; i < rdev->audio.num_pins; i++) {
		rdev->audio.pin[i].channels = -1;
		rdev->audio.pin[i].rate = -1;
		rdev->audio.pin[i].bits_per_sample = -1;
		rdev->audio.pin[i].status_bits = 0;
		rdev->audio.pin[i].category_code = 0;
		rdev->audio.pin[i].connected = false;
		rdev->audio.pin[i].offset = pin_offsets[i];
		rdev->audio.pin[i].id = i;
	}

	radeon_audio_interface_init(rdev);

	/* disable audio.  it will be set up later */
	for (i = 0; i < rdev->audio.num_pins; i++)
		radeon_audio_enable(rdev, &rdev->audio.pin[i], false);

	return 0;
}

void radeon_audio_detect(struct drm_connector *connector,
	enum drm_connector_status status)
{
	if (!connector || !connector->encoder)
		return;

	if (status == connector_status_connected) {
		int sink_type;
		struct radeon_device *rdev = connector->encoder->dev->dev_private;
		struct radeon_connector *radeon_connector;
		struct radeon_encoder *radeon_encoder =
			to_radeon_encoder(connector->encoder);

		if (!drm_detect_monitor_audio(radeon_connector_edid(connector))) {
			radeon_encoder->audio = 0;
			return;
		}

		radeon_connector = to_radeon_connector(connector);
		sink_type = radeon_dp_getsinktype(radeon_connector);

		if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort &&
			sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
			radeon_encoder->audio = rdev->audio.dp_funcs;
		else
			radeon_encoder->audio = rdev->audio.hdmi_funcs;
		/* TODO: set up the sads, etc. and set the audio enable_mask */
	} else {
		/* TODO: reset the audio enable_mask */
	}
}

u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg)
{
	if (rdev->audio.funcs->endpoint_rreg)
		return rdev->audio.funcs->endpoint_rreg(rdev, offset, reg);

	return 0;
}

void radeon_audio_endpoint_wreg(struct radeon_device *rdev, u32 offset,
	u32 reg, u32 v)
{
	if (rdev->audio.funcs->endpoint_wreg)
		rdev->audio.funcs->endpoint_wreg(rdev, offset, reg, v);
}

void radeon_audio_write_sad_regs(struct drm_encoder *encoder)
{
	struct radeon_encoder *radeon_encoder;
	struct drm_connector *connector;
	struct radeon_connector *radeon_connector = NULL;
	struct cea_sad *sads;
	int sad_count;

	list_for_each_entry(connector,
		&encoder->dev->mode_config.connector_list, head) {
		if (connector->encoder == encoder) {
			radeon_connector = to_radeon_connector(connector);
			break;
		}
	}

	if (!radeon_connector) {
		DRM_ERROR("Couldn't find encoder's connector\n");
		return;
	}

	sad_count = drm_edid_to_sad(radeon_connector_edid(connector), &sads);
	if (sad_count <= 0) {
		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
		return;
	}
	BUG_ON(!sads);

	radeon_encoder = to_radeon_encoder(encoder);

	if (radeon_encoder->audio && radeon_encoder->audio->write_sad_regs)
		radeon_encoder->audio->write_sad_regs(encoder, sads, sad_count);

	kfree(sads);
}

void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder)
{
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
    struct drm_connector *connector;
    struct radeon_connector *radeon_connector = NULL;
    u8 *sadb = NULL;
    int sad_count;

    list_for_each_entry(connector,
		&encoder->dev->mode_config.connector_list, head) {
        if (connector->encoder == encoder) {
            radeon_connector = to_radeon_connector(connector);
            break;
        }
    }

    if (!radeon_connector) {
        DRM_ERROR("Couldn't find encoder's connector\n");
        return;
    }

    sad_count = drm_edid_to_speaker_allocation(
		radeon_connector_edid(connector), &sadb);
    if (sad_count < 0) {
        DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n",
			sad_count);
        sad_count = 0;
    }

	if (radeon_encoder->audio && radeon_encoder->audio->write_speaker_allocation)
		radeon_encoder->audio->write_speaker_allocation(encoder, sadb, sad_count);

    kfree(sadb);
}

void radeon_audio_write_latency_fields(struct drm_encoder *encoder,
	struct drm_display_mode *mode)
{
	struct radeon_encoder *radeon_encoder;
	struct drm_connector *connector;
	struct radeon_connector *radeon_connector = 0;

	list_for_each_entry(connector,
		&encoder->dev->mode_config.connector_list, head) {
		if (connector->encoder == encoder) {
			radeon_connector = to_radeon_connector(connector);
			break;
		}
	}

	if (!radeon_connector) {
		DRM_ERROR("Couldn't find encoder's connector\n");
		return;
	}

	radeon_encoder = to_radeon_encoder(encoder);

	if (radeon_encoder->audio && radeon_encoder->audio->write_latency_fields)
		radeon_encoder->audio->write_latency_fields(encoder, connector, mode);
}

struct r600_audio_pin* radeon_audio_get_pin(struct drm_encoder *encoder)
{
	struct radeon_device *rdev = encoder->dev->dev_private;
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);

	if (radeon_encoder->audio && radeon_encoder->audio->get_pin)
		return radeon_encoder->audio->get_pin(rdev);

	return NULL;
}

void radeon_audio_select_pin(struct drm_encoder *encoder)
{
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);

	if (radeon_encoder->audio && radeon_encoder->audio->select_pin)
		radeon_encoder->audio->select_pin(encoder);
}

void radeon_audio_enable(struct radeon_device *rdev,
	struct r600_audio_pin *pin, u8 enable_mask)
{
	if (rdev->audio.funcs->enable)
		rdev->audio.funcs->enable(rdev, pin, enable_mask);
}

void radeon_audio_fini(struct radeon_device *rdev)
{
	int i;

	if (!rdev->audio.enabled)
		return;

	for (i = 0; i < rdev->audio.num_pins; i++)
		radeon_audio_enable(rdev, &rdev->audio.pin[i], false);

	rdev->audio.enabled = false;
}

void radeon_audio_set_dto(struct drm_encoder *encoder, unsigned int clock)
{
	struct radeon_device *rdev = encoder->dev->dev_private;
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	struct radeon_crtc *crtc = to_radeon_crtc(encoder->crtc);

	if (radeon_encoder->audio && radeon_encoder->audio->set_dto)
		radeon_encoder->audio->set_dto(rdev, crtc, clock);
}

void radeon_update_avi_infoframe(struct drm_encoder *encoder, void *buffer,
	size_t size)
{
    struct radeon_device *rdev = encoder->dev->dev_private;
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;

	if (dig && dig->afmt && rdev->audio.funcs->update_avi_infoframe)
		rdev->audio.funcs->update_avi_infoframe(rdev, dig->afmt->offset,
			buffer, size);
}
Commit	Line	Data
bfc1f97d SG	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>
1a626b68	26	#include <drm/drm_crtc.h>
bfc1f97d	27	#include "radeon.h"
1a626b68 SG	28	#include "atom.h"
1a626b68 SG	29	#include "radeon_audio.h"
bfc1f97d SG	30
	31	void r600_audio_enable(struct radeon_device rdev, struct r600_audio_pin pin,
	32	u8 enable_mask);
8bf59820 SG	33	void dce4_audio_enable(struct radeon_device rdev, struct r600_audio_pin pin,
8bf59820 SG	34	u8 enable_mask);
bfc1f97d SG	35	void dce6_audio_enable(struct radeon_device rdev, struct r600_audio_pin pin,
bfc1f97d SG	36	u8 enable_mask);
1a626b68 SG	37	u32 dce6_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg);
	38	void dce6_endpoint_wreg(struct radeon_device *rdev,
	39	u32 offset, u32 reg, u32 v);
070a2e63 AD	40	void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder,
	41	struct cea_sad *sads, int sad_count);
	42	void evergreen_hdmi_write_sad_regs(struct drm_encoder *encoder,
	43	struct cea_sad *sads, int sad_count);
	44	void dce6_afmt_write_sad_regs(struct drm_encoder *encoder,
	45	struct cea_sad *sads, int sad_count);
00a9d4bc SG	46	void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
	47	u8 *sadb, int sad_count);
	48	void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
	49	u8 *sadb, int sad_count);
	50	void dce4_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
	51	u8 *sadb, int sad_count);
	52	void dce4_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
	53	u8 *sadb, int sad_count);
	54	void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
	55	u8 *sadb, int sad_count);
	56	void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
	57	u8 *sadb, int sad_count);
87654f87 SG	58	void dce4_afmt_write_latency_fields(struct drm_encoder *encoder,
	59	struct drm_connector connector, struct drm_display_mode mode);
	60	void dce6_afmt_write_latency_fields(struct drm_encoder *encoder,
	61	struct drm_connector connector, struct drm_display_mode mode);
3cdde027 SG	62	struct r600_audio_pin* r600_audio_get_pin(struct radeon_device *rdev);
3cdde027 SG	63	struct r600_audio_pin* dce6_audio_get_pin(struct radeon_device *rdev);
88252d77	64	void dce6_afmt_select_pin(struct drm_encoder *encoder);
a85d682a SG	65	void r600_hdmi_audio_set_dto(struct radeon_device *rdev,
	66	struct radeon_crtc *crtc, unsigned int clock);
	67	void dce3_2_audio_set_dto(struct radeon_device *rdev,
	68	struct radeon_crtc *crtc, unsigned int clock);
	69	void dce4_hdmi_audio_set_dto(struct radeon_device *rdev,
	70	struct radeon_crtc *crtc, unsigned int clock);
	71	void dce4_dp_audio_set_dto(struct radeon_device *rdev,
	72	struct radeon_crtc *crtc, unsigned int clock);
	73	void dce6_hdmi_audio_set_dto(struct radeon_device *rdev,
	74	struct radeon_crtc *crtc, unsigned int clock);
	75	void dce6_dp_audio_set_dto(struct radeon_device *rdev,
	76	struct radeon_crtc *crtc, unsigned int clock);
96ea7afb SG	77	void r600_update_avi_infoframe(struct radeon_device *rdev, u32 offset,
	78	unsigned char *buffer, size_t size);
	79	void evergreen_update_avi_infoframe(struct radeon_device *rdev, u32 offset,
	80	unsigned char *buffer, size_t size);
bfc1f97d SG	81
	82	static const u32 pin_offsets[7] =
	83	{
	84	(0x5e00 - 0x5e00),
	85	(0x5e18 - 0x5e00),
	86	(0x5e30 - 0x5e00),
	87	(0x5e48 - 0x5e00),
	88	(0x5e60 - 0x5e00),
	89	(0x5e78 - 0x5e00),
	90	(0x5e90 - 0x5e00),
	91	};
	92
1a626b68 SG	93	static u32 radeon_audio_rreg(struct radeon_device *rdev, u32 offset, u32 reg)
	94	{
	95	return RREG32(reg);
	96	}
	97
	98	static void radeon_audio_wreg(struct radeon_device *rdev, u32 offset,
	99	u32 reg, u32 v)
	100	{
	101	WREG32(reg, v);
	102	}
	103
a85d682a SG	104	static struct radeon_audio_basic_funcs r600_funcs = {
	105	.endpoint_rreg = radeon_audio_rreg,
	106	.endpoint_wreg = radeon_audio_wreg,
	107	.enable = r600_audio_enable,
96ea7afb	108	.update_avi_infoframe = r600_update_avi_infoframe,
a85d682a SG	109	};
a85d682a SG	110
1a626b68 SG	111	static struct radeon_audio_basic_funcs dce32_funcs = {
	112	.endpoint_rreg = radeon_audio_rreg,
	113	.endpoint_wreg = radeon_audio_wreg,
8bf59820	114	.enable = r600_audio_enable,
96ea7afb	115	.update_avi_infoframe = r600_update_avi_infoframe,
1a626b68 SG	116	};
	117
	118	static struct radeon_audio_basic_funcs dce4_funcs = {
	119	.endpoint_rreg = radeon_audio_rreg,
	120	.endpoint_wreg = radeon_audio_wreg,
8bf59820	121	.enable = dce4_audio_enable,
96ea7afb	122	.update_avi_infoframe = evergreen_update_avi_infoframe,
1a626b68 SG	123	};
	124
	125	static struct radeon_audio_basic_funcs dce6_funcs = {
	126	.endpoint_rreg = dce6_endpoint_rreg,
	127	.endpoint_wreg = dce6_endpoint_wreg,
8bf59820	128	.enable = dce6_audio_enable,
96ea7afb	129	.update_avi_infoframe = evergreen_update_avi_infoframe,
1a626b68 SG	130	};
1a626b68 SG	131
a85d682a SG	132	static struct radeon_audio_funcs r600_hdmi_funcs = {
	133	.get_pin = r600_audio_get_pin,
	134	.set_dto = r600_hdmi_audio_set_dto,
	135	};
	136
070a2e63	137	static struct radeon_audio_funcs dce32_hdmi_funcs = {
3cdde027	138	.get_pin = r600_audio_get_pin,
070a2e63	139	.write_sad_regs = dce3_2_afmt_write_sad_regs,
00a9d4bc	140	.write_speaker_allocation = dce3_2_afmt_hdmi_write_speaker_allocation,
a85d682a	141	.set_dto = dce3_2_audio_set_dto,
070a2e63 AD	142	};
	143
	144	static struct radeon_audio_funcs dce32_dp_funcs = {
3cdde027	145	.get_pin = r600_audio_get_pin,
070a2e63	146	.write_sad_regs = dce3_2_afmt_write_sad_regs,
00a9d4bc	147	.write_speaker_allocation = dce3_2_afmt_dp_write_speaker_allocation,
a85d682a	148	.set_dto = dce3_2_audio_set_dto,
070a2e63 AD	149	};
	150
	151	static struct radeon_audio_funcs dce4_hdmi_funcs = {
3cdde027	152	.get_pin = r600_audio_get_pin,
070a2e63	153	.write_sad_regs = evergreen_hdmi_write_sad_regs,
00a9d4bc	154	.write_speaker_allocation = dce4_afmt_hdmi_write_speaker_allocation,
87654f87	155	.write_latency_fields = dce4_afmt_write_latency_fields,
a85d682a	156	.set_dto = dce4_hdmi_audio_set_dto,
070a2e63 AD	157	};
	158
	159	static struct radeon_audio_funcs dce4_dp_funcs = {
3cdde027	160	.get_pin = r600_audio_get_pin,
070a2e63	161	.write_sad_regs = evergreen_hdmi_write_sad_regs,
00a9d4bc	162	.write_speaker_allocation = dce4_afmt_dp_write_speaker_allocation,
87654f87	163	.write_latency_fields = dce4_afmt_write_latency_fields,
a85d682a	164	.set_dto = dce4_dp_audio_set_dto,
070a2e63 AD	165	};
	166
	167	static struct radeon_audio_funcs dce6_hdmi_funcs = {
88252d77	168	.select_pin = dce6_afmt_select_pin,
3cdde027	169	.get_pin = dce6_audio_get_pin,
070a2e63	170	.write_sad_regs = dce6_afmt_write_sad_regs,
00a9d4bc	171	.write_speaker_allocation = dce6_afmt_hdmi_write_speaker_allocation,
87654f87	172	.write_latency_fields = dce6_afmt_write_latency_fields,
a85d682a	173	.set_dto = dce6_hdmi_audio_set_dto,
070a2e63 AD	174	};
	175
	176	static struct radeon_audio_funcs dce6_dp_funcs = {
88252d77	177	.select_pin = dce6_afmt_select_pin,
3cdde027	178	.get_pin = dce6_audio_get_pin,
070a2e63	179	.write_sad_regs = dce6_afmt_write_sad_regs,
00a9d4bc	180	.write_speaker_allocation = dce6_afmt_dp_write_speaker_allocation,
87654f87	181	.write_latency_fields = dce6_afmt_write_latency_fields,
a85d682a	182	.set_dto = dce6_dp_audio_set_dto,
070a2e63 AD	183	};
070a2e63 AD	184
1a626b68 SG	185	static void radeon_audio_interface_init(struct radeon_device *rdev)
	186	{
	187	if (ASIC_IS_DCE6(rdev)) {
	188	rdev->audio.funcs = &dce6_funcs;
070a2e63 AD	189	rdev->audio.hdmi_funcs = &dce6_hdmi_funcs;
070a2e63 AD	190	rdev->audio.dp_funcs = &dce6_dp_funcs;
1a626b68 SG	191	} else if (ASIC_IS_DCE4(rdev)) {
1a626b68 SG	192	rdev->audio.funcs = &dce4_funcs;
070a2e63 AD	193	rdev->audio.hdmi_funcs = &dce4_hdmi_funcs;
070a2e63 AD	194	rdev->audio.dp_funcs = &dce4_dp_funcs;
a85d682a	195	} else if (ASIC_IS_DCE32(rdev)) {
1a626b68	196	rdev->audio.funcs = &dce32_funcs;
070a2e63 AD	197	rdev->audio.hdmi_funcs = &dce32_hdmi_funcs;
070a2e63 AD	198	rdev->audio.dp_funcs = &dce32_dp_funcs;
a85d682a SG	199	} else {
	200	rdev->audio.funcs = &r600_funcs;
	201	rdev->audio.hdmi_funcs = &r600_hdmi_funcs;
	202	rdev->audio.dp_funcs = 0;
1a626b68 SG	203	}
	204	}
	205
bfc1f97d SG	206	static int radeon_audio_chipset_supported(struct radeon_device *rdev)
	207	{
	208	return ASIC_IS_DCE2(rdev) && !ASIC_IS_NODCE(rdev);
	209	}
	210
	211	int radeon_audio_init(struct radeon_device *rdev)
	212	{
	213	int i;
	214
	215	if (!radeon_audio \|\| !radeon_audio_chipset_supported(rdev))
	216	return 0;
	217
	218	rdev->audio.enabled = true;
	219
	220	if (ASIC_IS_DCE83(rdev)) /* KB: 2 streams, 3 endpoints */
	221	rdev->audio.num_pins = 3;
	222	else if (ASIC_IS_DCE81(rdev)) /* KV: 4 streams, 7 endpoints */
	223	rdev->audio.num_pins = 7;
	224	else if (ASIC_IS_DCE8(rdev)) /* BN/HW: 6 streams, 7 endpoints */
	225	rdev->audio.num_pins = 7;
	226	else if (ASIC_IS_DCE64(rdev)) /* OL: 2 streams, 2 endpoints */
	227	rdev->audio.num_pins = 2;
	228	else if (ASIC_IS_DCE61(rdev)) /* TN: 4 streams, 6 endpoints */
	229	rdev->audio.num_pins = 6;
	230	else if (ASIC_IS_DCE6(rdev)) /* SI: 6 streams, 6 endpoints */
	231	rdev->audio.num_pins = 6;
	232	else
	233	rdev->audio.num_pins = 1;
	234
	235	for (i = 0; i < rdev->audio.num_pins; i++) {
	236	rdev->audio.pin[i].channels = -1;
	237	rdev->audio.pin[i].rate = -1;
	238	rdev->audio.pin[i].bits_per_sample = -1;
	239	rdev->audio.pin[i].status_bits = 0;
	240	rdev->audio.pin[i].category_code = 0;
	241	rdev->audio.pin[i].connected = false;
	242	rdev->audio.pin[i].offset = pin_offsets[i];
	243	rdev->audio.pin[i].id = i;
1a626b68 SG	244	}
	245
	246	radeon_audio_interface_init(rdev);
	247
	248	/* disable audio. it will be set up later */
	249	for (i = 0; i < rdev->audio.num_pins; i++)
8bf59820	250	radeon_audio_enable(rdev, &rdev->audio.pin[i], false);
1a626b68 SG	251
	252	return 0;
	253	}
	254
	255	void radeon_audio_detect(struct drm_connector *connector,
	256	enum drm_connector_status status)
	257	{
	258	if (!connector \|\| !connector->encoder)
	259	return;
	260
	261	if (status == connector_status_connected) {
	262	int sink_type;
	263	struct radeon_device *rdev = connector->encoder->dev->dev_private;
	264	struct radeon_connector *radeon_connector;
	265	struct radeon_encoder *radeon_encoder =
	266	to_radeon_encoder(connector->encoder);
	267
	268	if (!drm_detect_monitor_audio(radeon_connector_edid(connector))) {
	269	radeon_encoder->audio = 0;
	270	return;
	271	}
	272
	273	radeon_connector = to_radeon_connector(connector);
	274	sink_type = radeon_dp_getsinktype(radeon_connector);
	275
	276	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort &&
	277	sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
	278	radeon_encoder->audio = rdev->audio.dp_funcs;
	279	else
	280	radeon_encoder->audio = rdev->audio.hdmi_funcs;
	281	/* TODO: set up the sads, etc. and set the audio enable_mask */
	282	} else {
	283	/* TODO: reset the audio enable_mask */
bfc1f97d	284	}
1a626b68 SG	285	}
	286
	287	u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg)
	288	{
	289	if (rdev->audio.funcs->endpoint_rreg)
	290	return rdev->audio.funcs->endpoint_rreg(rdev, offset, reg);
bfc1f97d SG	291
	292	return 0;
	293	}
1a626b68 SG	294
	295	void radeon_audio_endpoint_wreg(struct radeon_device *rdev, u32 offset,
	296	u32 reg, u32 v)
	297	{
	298	if (rdev->audio.funcs->endpoint_wreg)
	299	rdev->audio.funcs->endpoint_wreg(rdev, offset, reg, v);
	300	}
070a2e63 AD	301
	302	void radeon_audio_write_sad_regs(struct drm_encoder *encoder)
	303	{
	304	struct radeon_encoder *radeon_encoder;
	305	struct drm_connector *connector;
	306	struct radeon_connector *radeon_connector = NULL;
	307	struct cea_sad *sads;
	308	int sad_count;
	309
	310	list_for_each_entry(connector,
	311	&encoder->dev->mode_config.connector_list, head) {
	312	if (connector->encoder == encoder) {
	313	radeon_connector = to_radeon_connector(connector);
	314	break;
	315	}
	316	}
	317
	318	if (!radeon_connector) {
	319	DRM_ERROR("Couldn't find encoder's connector\n");
	320	return;
	321	}
	322
	323	sad_count = drm_edid_to_sad(radeon_connector_edid(connector), &sads);
	324	if (sad_count <= 0) {
	325	DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
	326	return;
	327	}
	328	BUG_ON(!sads);
	329
	330	radeon_encoder = to_radeon_encoder(encoder);
	331
	332	if (radeon_encoder->audio && radeon_encoder->audio->write_sad_regs)
	333	radeon_encoder->audio->write_sad_regs(encoder, sads, sad_count);
	334
	335	kfree(sads);
	336	}
00a9d4bc SG	337
	338	void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder)
	339	{
	340	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	341	struct drm_connector *connector;
	342	struct radeon_connector *radeon_connector = NULL;
	343	u8 *sadb = NULL;
	344	int sad_count;
	345
	346	list_for_each_entry(connector,
	347	&encoder->dev->mode_config.connector_list, head) {
	348	if (connector->encoder == encoder) {
	349	radeon_connector = to_radeon_connector(connector);
	350	break;
	351	}
	352	}
	353
	354	if (!radeon_connector) {
	355	DRM_ERROR("Couldn't find encoder's connector\n");
	356	return;
	357	}
	358
	359	sad_count = drm_edid_to_speaker_allocation(
	360	radeon_connector_edid(connector), &sadb);
	361	if (sad_count < 0) {
	362	DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n",
	363	sad_count);
	364	sad_count = 0;
	365	}
	366
	367	if (radeon_encoder->audio && radeon_encoder->audio->write_speaker_allocation)
	368	radeon_encoder->audio->write_speaker_allocation(encoder, sadb, sad_count);
	369
	370	kfree(sadb);
	371	}
87654f87 SG	372
	373	void radeon_audio_write_latency_fields(struct drm_encoder *encoder,
	374	struct drm_display_mode *mode)
	375	{
	376	struct radeon_encoder *radeon_encoder;
	377	struct drm_connector *connector;
	378	struct radeon_connector *radeon_connector = 0;
	379
	380	list_for_each_entry(connector,
	381	&encoder->dev->mode_config.connector_list, head) {
	382	if (connector->encoder == encoder) {
	383	radeon_connector = to_radeon_connector(connector);
	384	break;
	385	}
	386	}
	387
	388	if (!radeon_connector) {
	389	DRM_ERROR("Couldn't find encoder's connector\n");
	390	return;
	391	}
	392
	393	radeon_encoder = to_radeon_encoder(encoder);
	394
	395	if (radeon_encoder->audio && radeon_encoder->audio->write_latency_fields)
	396	radeon_encoder->audio->write_latency_fields(encoder, connector, mode);
	397	}
3cdde027 SG	398
	399	struct r600_audio_pin* radeon_audio_get_pin(struct drm_encoder *encoder)
	400	{
	401	struct radeon_device *rdev = encoder->dev->dev_private;
	402	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	403
	404	if (radeon_encoder->audio && radeon_encoder->audio->get_pin)
	405	return radeon_encoder->audio->get_pin(rdev);
	406
	407	return NULL;
	408	}
88252d77 SG	409
	410	void radeon_audio_select_pin(struct drm_encoder *encoder)
	411	{
	412	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	413
	414	if (radeon_encoder->audio && radeon_encoder->audio->select_pin)
	415	radeon_encoder->audio->select_pin(encoder);
	416	}
8bf59820 SG	417
	418	void radeon_audio_enable(struct radeon_device *rdev,
	419	struct r600_audio_pin *pin, u8 enable_mask)
	420	{
	421	if (rdev->audio.funcs->enable)
	422	rdev->audio.funcs->enable(rdev, pin, enable_mask);
	423	}
7991d665 SG	424
	425	void radeon_audio_fini(struct radeon_device *rdev)
	426	{
	427	int i;
	428
	429	if (!rdev->audio.enabled)
	430	return;
	431
	432	for (i = 0; i < rdev->audio.num_pins; i++)
	433	radeon_audio_enable(rdev, &rdev->audio.pin[i], false);
	434
	435	rdev->audio.enabled = false;
	436	}
a85d682a SG	437
	438	void radeon_audio_set_dto(struct drm_encoder *encoder, unsigned int clock)
	439	{
	440	struct radeon_device *rdev = encoder->dev->dev_private;
	441	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	442	struct radeon_crtc *crtc = to_radeon_crtc(encoder->crtc);
	443
	444	if (radeon_encoder->audio && radeon_encoder->audio->set_dto)
	445	radeon_encoder->audio->set_dto(rdev, crtc, clock);
	446	}
96ea7afb SG	447
	448	void radeon_update_avi_infoframe(struct drm_encoder encoder, void buffer,
	449	size_t size)
	450	{
	451	struct radeon_device *rdev = encoder->dev->dev_private;
	452	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	453	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
	454
	455	if (dig && dig->afmt && rdev->audio.funcs->update_avi_infoframe)
	456	rdev->audio.funcs->update_avi_infoframe(rdev, dig->afmt->offset,
	457	buffer, size);
	458	}