[linux-2.6-block.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);

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 dce32_funcs = {
	.endpoint_rreg = radeon_audio_rreg,
	.endpoint_wreg = radeon_audio_wreg,
	.enable = r600_audio_enable,
};

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

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

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,
};

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,
};

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,
};

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,
};

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,
};

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,
};

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 {
		rdev->audio.funcs = &dce32_funcs;
		rdev->audio.hdmi_funcs = &dce32_hdmi_funcs;
		rdev->audio.dp_funcs = &dce32_dp_funcs;
	}
}

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);
}
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);
bfc1f97d SG	65
	66	static const u32 pin_offsets[7] =
	67	{
	68	(0x5e00 - 0x5e00),
	69	(0x5e18 - 0x5e00),
	70	(0x5e30 - 0x5e00),
	71	(0x5e48 - 0x5e00),
	72	(0x5e60 - 0x5e00),
	73	(0x5e78 - 0x5e00),
	74	(0x5e90 - 0x5e00),
	75	};
	76
1a626b68 SG	77	static u32 radeon_audio_rreg(struct radeon_device *rdev, u32 offset, u32 reg)
	78	{
	79	return RREG32(reg);
	80	}
	81
	82	static void radeon_audio_wreg(struct radeon_device *rdev, u32 offset,
	83	u32 reg, u32 v)
	84	{
	85	WREG32(reg, v);
	86	}
	87
	88	static struct radeon_audio_basic_funcs dce32_funcs = {
	89	.endpoint_rreg = radeon_audio_rreg,
	90	.endpoint_wreg = radeon_audio_wreg,
8bf59820	91	.enable = r600_audio_enable,
1a626b68 SG	92	};
	93
	94	static struct radeon_audio_basic_funcs dce4_funcs = {
	95	.endpoint_rreg = radeon_audio_rreg,
	96	.endpoint_wreg = radeon_audio_wreg,
8bf59820	97	.enable = dce4_audio_enable,
1a626b68 SG	98	};
	99
	100	static struct radeon_audio_basic_funcs dce6_funcs = {
	101	.endpoint_rreg = dce6_endpoint_rreg,
	102	.endpoint_wreg = dce6_endpoint_wreg,
8bf59820	103	.enable = dce6_audio_enable,
1a626b68 SG	104	};
1a626b68 SG	105
070a2e63	106	static struct radeon_audio_funcs dce32_hdmi_funcs = {
3cdde027	107	.get_pin = r600_audio_get_pin,
070a2e63	108	.write_sad_regs = dce3_2_afmt_write_sad_regs,
00a9d4bc	109	.write_speaker_allocation = dce3_2_afmt_hdmi_write_speaker_allocation,
070a2e63 AD	110	};
	111
	112	static struct radeon_audio_funcs dce32_dp_funcs = {
3cdde027	113	.get_pin = r600_audio_get_pin,
070a2e63	114	.write_sad_regs = dce3_2_afmt_write_sad_regs,
00a9d4bc	115	.write_speaker_allocation = dce3_2_afmt_dp_write_speaker_allocation,
070a2e63 AD	116	};
	117
	118	static struct radeon_audio_funcs dce4_hdmi_funcs = {
3cdde027	119	.get_pin = r600_audio_get_pin,
070a2e63	120	.write_sad_regs = evergreen_hdmi_write_sad_regs,
00a9d4bc	121	.write_speaker_allocation = dce4_afmt_hdmi_write_speaker_allocation,
87654f87	122	.write_latency_fields = dce4_afmt_write_latency_fields,
070a2e63 AD	123	};
	124
	125	static struct radeon_audio_funcs dce4_dp_funcs = {
3cdde027	126	.get_pin = r600_audio_get_pin,
070a2e63	127	.write_sad_regs = evergreen_hdmi_write_sad_regs,
00a9d4bc	128	.write_speaker_allocation = dce4_afmt_dp_write_speaker_allocation,
87654f87	129	.write_latency_fields = dce4_afmt_write_latency_fields,
070a2e63 AD	130	};
	131
	132	static struct radeon_audio_funcs dce6_hdmi_funcs = {
88252d77	133	.select_pin = dce6_afmt_select_pin,
3cdde027	134	.get_pin = dce6_audio_get_pin,
070a2e63	135	.write_sad_regs = dce6_afmt_write_sad_regs,
00a9d4bc	136	.write_speaker_allocation = dce6_afmt_hdmi_write_speaker_allocation,
87654f87	137	.write_latency_fields = dce6_afmt_write_latency_fields,
070a2e63 AD	138	};
	139
	140	static struct radeon_audio_funcs dce6_dp_funcs = {
88252d77	141	.select_pin = dce6_afmt_select_pin,
3cdde027	142	.get_pin = dce6_audio_get_pin,
070a2e63	143	.write_sad_regs = dce6_afmt_write_sad_regs,
00a9d4bc	144	.write_speaker_allocation = dce6_afmt_dp_write_speaker_allocation,
87654f87	145	.write_latency_fields = dce6_afmt_write_latency_fields,
070a2e63 AD	146	};
070a2e63 AD	147
1a626b68 SG	148	static void radeon_audio_interface_init(struct radeon_device *rdev)
	149	{
	150	if (ASIC_IS_DCE6(rdev)) {
	151	rdev->audio.funcs = &dce6_funcs;
070a2e63 AD	152	rdev->audio.hdmi_funcs = &dce6_hdmi_funcs;
070a2e63 AD	153	rdev->audio.dp_funcs = &dce6_dp_funcs;
1a626b68 SG	154	} else if (ASIC_IS_DCE4(rdev)) {
1a626b68 SG	155	rdev->audio.funcs = &dce4_funcs;
070a2e63 AD	156	rdev->audio.hdmi_funcs = &dce4_hdmi_funcs;
070a2e63 AD	157	rdev->audio.dp_funcs = &dce4_dp_funcs;
1a626b68 SG	158	} else {
1a626b68 SG	159	rdev->audio.funcs = &dce32_funcs;
070a2e63 AD	160	rdev->audio.hdmi_funcs = &dce32_hdmi_funcs;
070a2e63 AD	161	rdev->audio.dp_funcs = &dce32_dp_funcs;
1a626b68 SG	162	}
	163	}
	164
bfc1f97d SG	165	static int radeon_audio_chipset_supported(struct radeon_device *rdev)
	166	{
	167	return ASIC_IS_DCE2(rdev) && !ASIC_IS_NODCE(rdev);
	168	}
	169
	170	int radeon_audio_init(struct radeon_device *rdev)
	171	{
	172	int i;
	173
	174	if (!radeon_audio \|\| !radeon_audio_chipset_supported(rdev))
	175	return 0;
	176
	177	rdev->audio.enabled = true;
	178
	179	if (ASIC_IS_DCE83(rdev)) /* KB: 2 streams, 3 endpoints */
	180	rdev->audio.num_pins = 3;
	181	else if (ASIC_IS_DCE81(rdev)) /* KV: 4 streams, 7 endpoints */
	182	rdev->audio.num_pins = 7;
	183	else if (ASIC_IS_DCE8(rdev)) /* BN/HW: 6 streams, 7 endpoints */
	184	rdev->audio.num_pins = 7;
	185	else if (ASIC_IS_DCE64(rdev)) /* OL: 2 streams, 2 endpoints */
	186	rdev->audio.num_pins = 2;
	187	else if (ASIC_IS_DCE61(rdev)) /* TN: 4 streams, 6 endpoints */
	188	rdev->audio.num_pins = 6;
	189	else if (ASIC_IS_DCE6(rdev)) /* SI: 6 streams, 6 endpoints */
	190	rdev->audio.num_pins = 6;
	191	else
	192	rdev->audio.num_pins = 1;
	193
	194	for (i = 0; i < rdev->audio.num_pins; i++) {
	195	rdev->audio.pin[i].channels = -1;
	196	rdev->audio.pin[i].rate = -1;
	197	rdev->audio.pin[i].bits_per_sample = -1;
	198	rdev->audio.pin[i].status_bits = 0;
	199	rdev->audio.pin[i].category_code = 0;
	200	rdev->audio.pin[i].connected = false;
	201	rdev->audio.pin[i].offset = pin_offsets[i];
	202	rdev->audio.pin[i].id = i;
1a626b68 SG	203	}
	204
	205	radeon_audio_interface_init(rdev);
	206
	207	/* disable audio. it will be set up later */
	208	for (i = 0; i < rdev->audio.num_pins; i++)
8bf59820	209	radeon_audio_enable(rdev, &rdev->audio.pin[i], false);
1a626b68 SG	210
	211	return 0;
	212	}
	213
	214	void radeon_audio_detect(struct drm_connector *connector,
	215	enum drm_connector_status status)
	216	{
	217	if (!connector \|\| !connector->encoder)
	218	return;
	219
	220	if (status == connector_status_connected) {
	221	int sink_type;
	222	struct radeon_device *rdev = connector->encoder->dev->dev_private;
	223	struct radeon_connector *radeon_connector;
	224	struct radeon_encoder *radeon_encoder =
	225	to_radeon_encoder(connector->encoder);
	226
	227	if (!drm_detect_monitor_audio(radeon_connector_edid(connector))) {
	228	radeon_encoder->audio = 0;
	229	return;
	230	}
	231
	232	radeon_connector = to_radeon_connector(connector);
	233	sink_type = radeon_dp_getsinktype(radeon_connector);
	234
	235	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort &&
	236	sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
	237	radeon_encoder->audio = rdev->audio.dp_funcs;
	238	else
	239	radeon_encoder->audio = rdev->audio.hdmi_funcs;
	240	/* TODO: set up the sads, etc. and set the audio enable_mask */
	241	} else {
	242	/* TODO: reset the audio enable_mask */
bfc1f97d	243	}
1a626b68 SG	244	}
	245
	246	u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg)
	247	{
	248	if (rdev->audio.funcs->endpoint_rreg)
	249	return rdev->audio.funcs->endpoint_rreg(rdev, offset, reg);
bfc1f97d SG	250
	251	return 0;
	252	}
1a626b68 SG	253
	254	void radeon_audio_endpoint_wreg(struct radeon_device *rdev, u32 offset,
	255	u32 reg, u32 v)
	256	{
	257	if (rdev->audio.funcs->endpoint_wreg)
	258	rdev->audio.funcs->endpoint_wreg(rdev, offset, reg, v);
	259	}
070a2e63 AD	260
	261	void radeon_audio_write_sad_regs(struct drm_encoder *encoder)
	262	{
	263	struct radeon_encoder *radeon_encoder;
	264	struct drm_connector *connector;
	265	struct radeon_connector *radeon_connector = NULL;
	266	struct cea_sad *sads;
	267	int sad_count;
	268
	269	list_for_each_entry(connector,
	270	&encoder->dev->mode_config.connector_list, head) {
	271	if (connector->encoder == encoder) {
	272	radeon_connector = to_radeon_connector(connector);
	273	break;
	274	}
	275	}
	276
	277	if (!radeon_connector) {
	278	DRM_ERROR("Couldn't find encoder's connector\n");
	279	return;
	280	}
	281
	282	sad_count = drm_edid_to_sad(radeon_connector_edid(connector), &sads);
	283	if (sad_count <= 0) {
	284	DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
	285	return;
	286	}
	287	BUG_ON(!sads);
	288
	289	radeon_encoder = to_radeon_encoder(encoder);
	290
	291	if (radeon_encoder->audio && radeon_encoder->audio->write_sad_regs)
	292	radeon_encoder->audio->write_sad_regs(encoder, sads, sad_count);
	293
	294	kfree(sads);
	295	}
00a9d4bc SG	296
	297	void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder)
	298	{
	299	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	300	struct drm_connector *connector;
	301	struct radeon_connector *radeon_connector = NULL;
	302	u8 *sadb = NULL;
	303	int sad_count;
	304
	305	list_for_each_entry(connector,
	306	&encoder->dev->mode_config.connector_list, head) {
	307	if (connector->encoder == encoder) {
	308	radeon_connector = to_radeon_connector(connector);
	309	break;
	310	}
	311	}
	312
	313	if (!radeon_connector) {
	314	DRM_ERROR("Couldn't find encoder's connector\n");
	315	return;
	316	}
	317
	318	sad_count = drm_edid_to_speaker_allocation(
	319	radeon_connector_edid(connector), &sadb);
	320	if (sad_count < 0) {
	321	DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n",
	322	sad_count);
	323	sad_count = 0;
	324	}
	325
	326	if (radeon_encoder->audio && radeon_encoder->audio->write_speaker_allocation)
	327	radeon_encoder->audio->write_speaker_allocation(encoder, sadb, sad_count);
	328
	329	kfree(sadb);
	330	}
87654f87 SG	331
	332	void radeon_audio_write_latency_fields(struct drm_encoder *encoder,
	333	struct drm_display_mode *mode)
	334	{
	335	struct radeon_encoder *radeon_encoder;
	336	struct drm_connector *connector;
	337	struct radeon_connector *radeon_connector = 0;
	338
	339	list_for_each_entry(connector,
	340	&encoder->dev->mode_config.connector_list, head) {
	341	if (connector->encoder == encoder) {
	342	radeon_connector = to_radeon_connector(connector);
	343	break;
	344	}
	345	}
	346
	347	if (!radeon_connector) {
	348	DRM_ERROR("Couldn't find encoder's connector\n");
	349	return;
	350	}
	351
	352	radeon_encoder = to_radeon_encoder(encoder);
	353
	354	if (radeon_encoder->audio && radeon_encoder->audio->write_latency_fields)
	355	radeon_encoder->audio->write_latency_fields(encoder, connector, mode);
	356	}
3cdde027 SG	357
	358	struct r600_audio_pin* radeon_audio_get_pin(struct drm_encoder *encoder)
	359	{
	360	struct radeon_device *rdev = encoder->dev->dev_private;
	361	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	362
	363	if (radeon_encoder->audio && radeon_encoder->audio->get_pin)
	364	return radeon_encoder->audio->get_pin(rdev);
	365
	366	return NULL;
	367	}
88252d77 SG	368
	369	void radeon_audio_select_pin(struct drm_encoder *encoder)
	370	{
	371	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	372
	373	if (radeon_encoder->audio && radeon_encoder->audio->select_pin)
	374	radeon_encoder->audio->select_pin(encoder);
	375	}
8bf59820 SG	376
	377	void radeon_audio_enable(struct radeon_device *rdev,
	378	struct r600_audio_pin *pin, u8 enable_mask)
	379	{
	380	if (rdev->audio.funcs->enable)
	381	rdev->audio.funcs->enable(rdev, pin, enable_mask);
	382	}