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Commit c6543a6e authored by Rafał Miłecki's avatar Rafał Miłecki Committed by Dave Airlie
Browse files

drm/radeon/kms/hdmi: use relative offsets, official regs

parent af0b5743
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+14 −14
Original line number Diff line number Diff line
@@ -2968,10 +2968,10 @@ static void r600_disable_interrupt_state(struct radeon_device *rdev)
			WREG32(DC_HPD5_INT_CONTROL, tmp);
			tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
			WREG32(DC_HPD6_INT_CONTROL, tmp);
			tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
			WREG32(AFMT_AUDIO_PACKET_CONTROL + HDMI_OFFSET0, tmp);
			tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
			WREG32(AFMT_AUDIO_PACKET_CONTROL + HDMI_OFFSET1, tmp);
			tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
			WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
			tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
			WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
		} else {
			tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
			WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
@@ -3110,8 +3110,8 @@ int r600_irq_set(struct radeon_device *rdev)
		if (ASIC_IS_DCE32(rdev)) {
			hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
			hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
			hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
			hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
			hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
			hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
		} else {
			hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
			hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
@@ -3189,8 +3189,8 @@ int r600_irq_set(struct radeon_device *rdev)
		if (ASIC_IS_DCE32(rdev)) {
			WREG32(DC_HPD5_INT_CONTROL, hpd5);
			WREG32(DC_HPD6_INT_CONTROL, hpd6);
			WREG32(AFMT_AUDIO_PACKET_CONTROL + HDMI_OFFSET0, hdmi0);
			WREG32(AFMT_AUDIO_PACKET_CONTROL + HDMI_OFFSET1, hdmi1);
			WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0);
			WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1);
		} else {
			WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
			WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
@@ -3215,8 +3215,8 @@ static void r600_irq_ack(struct radeon_device *rdev)
		rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
		rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
		if (ASIC_IS_DCE32(rdev)) {
			rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + HDMI_OFFSET0);
			rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + HDMI_OFFSET1);
			rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0);
			rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1);
		} else {
			rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
			rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS);
@@ -3293,14 +3293,14 @@ static void r600_irq_ack(struct radeon_device *rdev)
			WREG32(DC_HPD6_INT_CONTROL, tmp);
		}
		if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) {
			tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + HDMI_OFFSET0);
			tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0);
			tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
			WREG32(AFMT_AUDIO_PACKET_CONTROL + HDMI_OFFSET0, tmp);
			WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
		}
		if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) {
			tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + HDMI_OFFSET1);
			tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1);
			tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
			WREG32(AFMT_AUDIO_PACKET_CONTROL + HDMI_OFFSET1, tmp);
			WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
		}
	} else {
		if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
+47 −43
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@
#include "radeon_drm.h"
#include "radeon.h"
#include "radeon_asic.h"
#include "r600d.h"
#include "atom.h"

/*
@@ -108,20 +109,20 @@ static void r600_hdmi_update_ACR(struct drm_encoder *encoder, uint32_t clock)
	CTS = r600_hdmi_ACR[i].CTS_32kHz;
	N = r600_hdmi_ACR[i].N_32kHz;
	r600_hdmi_calc_CTS(clock, &CTS, N, 32000);
	WREG32(offset+R600_HDMI_32kHz_CTS, CTS << 12);
	WREG32(offset+R600_HDMI_32kHz_N, N);
	WREG32(HDMI0_ACR_32_0 + offset, HDMI0_ACR_CTS_32(CTS));
	WREG32(HDMI0_ACR_32_1 + offset, N);

	CTS = r600_hdmi_ACR[i].CTS_44_1kHz;
	N = r600_hdmi_ACR[i].N_44_1kHz;
	r600_hdmi_calc_CTS(clock, &CTS, N, 44100);
	WREG32(offset+R600_HDMI_44_1kHz_CTS, CTS << 12);
	WREG32(offset+R600_HDMI_44_1kHz_N, N);
	WREG32(HDMI0_ACR_44_0 + offset, HDMI0_ACR_CTS_44(CTS));
	WREG32(HDMI0_ACR_44_1 + offset, N);

	CTS = r600_hdmi_ACR[i].CTS_48kHz;
	N = r600_hdmi_ACR[i].N_48kHz;
	r600_hdmi_calc_CTS(clock, &CTS, N, 48000);
	WREG32(offset+R600_HDMI_48kHz_CTS, CTS << 12);
	WREG32(offset+R600_HDMI_48kHz_N, N);
	WREG32(HDMI0_ACR_48_0 + offset, HDMI0_ACR_CTS_48(CTS));
	WREG32(HDMI0_ACR_48_1 + offset, N);
}

/*
@@ -204,13 +205,13 @@ static void r600_hdmi_videoinfoframe(
	 * workaround this issue. */
	frame[0x0] += 2;

	WREG32(offset+R600_HDMI_VIDEOINFOFRAME_0,
	WREG32(HDMI0_AVI_INFO0 + offset,
		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
	WREG32(offset+R600_HDMI_VIDEOINFOFRAME_1,
	WREG32(HDMI0_AVI_INFO1 + offset,
		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
	WREG32(offset+R600_HDMI_VIDEOINFOFRAME_2,
	WREG32(HDMI0_AVI_INFO2 + offset,
		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
	WREG32(offset+R600_HDMI_VIDEOINFOFRAME_3,
	WREG32(HDMI0_AVI_INFO3 + offset,
		frame[0xC] | (frame[0xD] << 8));
}

@@ -249,9 +250,9 @@ static void r600_hdmi_audioinfoframe(

	r600_hdmi_infoframe_checksum(0x84, 0x01, 0x0A, frame);

	WREG32(offset+R600_HDMI_AUDIOINFOFRAME_0,
	WREG32(HDMI0_AUDIO_INFO0 + offset,
		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
	WREG32(offset+R600_HDMI_AUDIOINFOFRAME_1,
	WREG32(HDMI0_AUDIO_INFO1 + offset,
		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x8] << 24));
}

@@ -264,7 +265,7 @@ static int r600_hdmi_is_audio_buffer_filled(struct drm_encoder *encoder)
	struct radeon_device *rdev = dev->dev_private;
	uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;

	return (RREG32(offset+R600_HDMI_STATUS) & 0x10) != 0;
	return (RREG32(HDMI0_STATUS + offset) & 0x10) != 0;
}

/*
@@ -302,11 +303,11 @@ void r600_hdmi_audio_workaround(struct drm_encoder *encoder)
		r600_hdmi_is_audio_buffer_filled(encoder)) {

		/* disable audio workaround */
		WREG32_P(offset+R600_HDMI_CNTL, 0x00000001, ~0x00001001);
		WREG32_P(HDMI0_AUDIO_PACKET_CONTROL + offset, 0x0001, ~0x1001);

	} else {
		/* enable audio workaround */
		WREG32_P(offset+R600_HDMI_CNTL, 0x00001001, ~0x00001001);
		WREG32_P(HDMI0_AUDIO_PACKET_CONTROL + offset, 0x1001, ~0x1001);
	}
}

@@ -328,29 +329,29 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod

	r600_audio_set_clock(encoder, mode->clock);

	WREG32(offset+R600_HDMI_UNKNOWN_0, 0x1000);
	WREG32(offset+R600_HDMI_UNKNOWN_1, 0x0);
	WREG32(offset+R600_HDMI_UNKNOWN_2, 0x1000);
	WREG32(HDMI0_AUDIO_CRC_CONTROL + offset, 0x1000);
	WREG32(HDMI0_GC + offset, 0x0);
	WREG32(HDMI0_ACR_PACKET_CONTROL + offset, 0x1000);

	r600_hdmi_update_ACR(encoder, mode->clock);

	WREG32(offset+R600_HDMI_VIDEOCNTL, 0x13);
	WREG32(HDMI0_INFOFRAME_CONTROL0 + offset, 0x13);

	WREG32(offset+R600_HDMI_VERSION, 0x202);
	WREG32(HDMI0_INFOFRAME_CONTROL1 + offset, 0x202);

	r600_hdmi_videoinfoframe(encoder, RGB, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);

	/* it's unknown what these bits do excatly, but it's indeed quite useful for debugging */
	WREG32(offset+R600_HDMI_AUDIO_DEBUG_0, 0x00FFFFFF);
	WREG32(offset+R600_HDMI_AUDIO_DEBUG_1, 0x007FFFFF);
	WREG32(offset+R600_HDMI_AUDIO_DEBUG_2, 0x00000001);
	WREG32(offset+R600_HDMI_AUDIO_DEBUG_3, 0x00000001);
	WREG32(HDMI0_RAMP_CONTROL0 + offset, 0x00FFFFFF);
	WREG32(HDMI0_RAMP_CONTROL1 + offset, 0x007FFFFF);
	WREG32(HDMI0_RAMP_CONTROL2 + offset, 0x00000001);
	WREG32(HDMI0_RAMP_CONTROL3 + offset, 0x00000001);

	r600_hdmi_audio_workaround(encoder);

	/* audio packets per line, does anyone know how to calc this ? */
	WREG32_P(offset+R600_HDMI_CNTL, 0x00040000, ~0x001F0000);
	WREG32_P(HDMI0_AUDIO_PACKET_CONTROL + offset, 0x00040000, ~0x001F0000);
}

/*
@@ -401,7 +402,7 @@ void r600_hdmi_update_audio_settings(struct drm_encoder *encoder)
	case 192000: iec |= 0xe << 24; break;
	}

	WREG32(offset+R600_HDMI_IEC60958_1, iec);
	WREG32(HDMI0_60958_0 + offset, iec);

	iec = 0;
	switch (bps) {
@@ -412,10 +413,10 @@ void r600_hdmi_update_audio_settings(struct drm_encoder *encoder)
	if (status_bits & AUDIO_STATUS_V)
		iec |= 0x5 << 16;

	WREG32_P(offset+R600_HDMI_IEC60958_2, iec, ~0x5000f);
	WREG32_P(HDMI0_60958_1 + offset, iec, ~0x5000f);

	/* 0x021 or 0x031 sets the audio frame length */
	WREG32(offset+R600_HDMI_AUDIOCNTL, 0x31);
	WREG32(HDMI0_VBI_PACKET_CONTROL + offset, 0x31);
	r600_hdmi_audioinfoframe(encoder, channels-1, 0, 0, 0, 0, 0, 0, 0);

	r600_hdmi_audio_workaround(encoder);
@@ -449,19 +450,22 @@ static void r600_hdmi_assign_block(struct drm_encoder *encoder)
			dev_err(rdev->dev, "Enabling HDMI on unknown dig\n");
			return;
		}
		radeon_encoder->hdmi_offset = EVERGREEN_HDMI_BASE +
						eg_offsets[dig->dig_encoder];
		radeon_encoder->hdmi_offset = eg_offsets[dig->dig_encoder];
		/* Temp hack for Evergreen until we split r600_hdmi.c
		 * Evergreen first block is 0x7030 instead of 0x7400.
		 */
		radeon_encoder->hdmi_offset -= 0x3d0;
	} else if (ASIC_IS_DCE3(rdev)) {
		radeon_encoder->hdmi_offset = dig->dig_encoder ?
			R600_HDMI_BLOCK3 : R600_HDMI_BLOCK1;
			DCE3_HDMI_OFFSET1 : DCE3_HDMI_OFFSET0;
	} else if (rdev->family >= CHIP_R600) {
		/* 2 routable blocks, but using dig_encoder should be fine */
		radeon_encoder->hdmi_offset = dig->dig_encoder ?
			R600_HDMI_BLOCK2 : R600_HDMI_BLOCK1;
			DCE2_HDMI_OFFSET1 : DCE2_HDMI_OFFSET0;
	} else if (rdev->family == CHIP_RS600 || rdev->family == CHIP_RS690 ||
		   rdev->family == CHIP_RS740) {
		/* Only 1 routable block */
		radeon_encoder->hdmi_offset = R600_HDMI_BLOCK1;
		radeon_encoder->hdmi_offset = DCE2_HDMI_OFFSET0;
	}
	radeon_encoder->hdmi_enabled = true;
}
@@ -492,9 +496,9 @@ void r600_hdmi_enable(struct drm_encoder *encoder)
	if (ASIC_IS_DCE5(rdev)) {
		/* TODO */
	} else if (ASIC_IS_DCE4(rdev)) {
		WREG32_P(radeon_encoder->hdmi_offset + EVERGREEN_AUDIO_PACKET_CNTL, 0x1, ~0x1);
		WREG32_P(0x74fc + radeon_encoder->hdmi_offset, 0x1, ~0x1);
	} else if (ASIC_IS_DCE32(rdev)) {
		WREG32_P(radeon_encoder->hdmi_offset + R600_HDMI_AUDIO_PACKET_CNTL, 0x1, ~0x1);
		WREG32_P(AFMT_AUDIO_PACKET_CONTROL + radeon_encoder->hdmi_offset, 0x1, ~0x1);
	} else if (ASIC_IS_DCE3(rdev)) {
		/* TODO */
	} else if (rdev->family >= CHIP_R600) {
@@ -502,12 +506,12 @@ void r600_hdmi_enable(struct drm_encoder *encoder)
		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
			WREG32_P(AVIVO_TMDSA_CNTL, AVIVO_TMDSA_CNTL_HDMI_EN,
				 ~AVIVO_TMDSA_CNTL_HDMI_EN);
			WREG32(offset + R600_HDMI_ENABLE, 0x101);
			WREG32(HDMI0_CONTROL + offset, 0x101);
			break;
		case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
			WREG32_P(AVIVO_LVTMA_CNTL, AVIVO_LVTMA_CNTL_HDMI_EN,
				 ~AVIVO_LVTMA_CNTL_HDMI_EN);
			WREG32(offset + R600_HDMI_ENABLE, 0x105);
			WREG32(HDMI0_CONTROL + offset, 0x105);
			break;
		default:
			dev_err(rdev->dev, "Unknown HDMI output type\n");
@@ -517,7 +521,7 @@ void r600_hdmi_enable(struct drm_encoder *encoder)

	if (rdev->irq.installed) {
		/* if irq is available use it */
		rdev->irq.afmt[offset == R600_HDMI_BLOCK1 ? 0 : 1] = true;
		rdev->irq.afmt[offset == 0 ? 0 : 1] = true;
		radeon_irq_set(rdev);
	}

@@ -548,27 +552,27 @@ void r600_hdmi_disable(struct drm_encoder *encoder)
		offset, radeon_encoder->encoder_id);

	/* disable irq */
	rdev->irq.afmt[offset == R600_HDMI_BLOCK1 ? 0 : 1] = false;
	rdev->irq.afmt[offset == 0 ? 0 : 1] = false;
	radeon_irq_set(rdev);


	if (ASIC_IS_DCE5(rdev)) {
		/* TODO */
	} else if (ASIC_IS_DCE4(rdev)) {
		WREG32_P(radeon_encoder->hdmi_offset + EVERGREEN_AUDIO_PACKET_CNTL, 0, ~0x1);
		WREG32_P(0x74fc + radeon_encoder->hdmi_offset, 0, ~0x1);
	} else if (ASIC_IS_DCE32(rdev)) {
		WREG32_P(radeon_encoder->hdmi_offset + R600_HDMI_AUDIO_PACKET_CNTL, 0, ~0x1);
		WREG32_P(AFMT_AUDIO_PACKET_CONTROL + radeon_encoder->hdmi_offset, 0, ~0x1);
	} else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
		switch (radeon_encoder->encoder_id) {
		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
			WREG32_P(AVIVO_TMDSA_CNTL, 0,
				 ~AVIVO_TMDSA_CNTL_HDMI_EN);
			WREG32(offset + R600_HDMI_ENABLE, 0);
			WREG32(HDMI0_CONTROL + offset, 0);
			break;
		case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
			WREG32_P(AVIVO_LVTMA_CNTL, 0,
				 ~AVIVO_LVTMA_CNTL_HDMI_EN);
			WREG32(offset + R600_HDMI_ENABLE, 0);
			WREG32(HDMI0_CONTROL + offset, 0);
			break;
		default:
			dev_err(rdev->dev, "Unknown HDMI output type\n");
+0 −39
Original line number Diff line number Diff line
@@ -156,43 +156,4 @@
#define R600_AUDIO_PIN_WIDGET_CNTL        0x73d4
#define R600_AUDIO_STATUS_BITS            0x73d8

/* HDMI base register addresses */
#define R600_HDMI_BLOCK1                  0x7400
#define R600_HDMI_BLOCK2                  0x7700
#define R600_HDMI_BLOCK3                  0x7800

/* HDMI registers */
#define R600_HDMI_ENABLE                0x00
#define R600_HDMI_STATUS                0x04
#       define R600_HDMI_INT_PENDING    (1 << 29)
#define R600_HDMI_CNTL                  0x08
#       define R600_HDMI_INT_EN         (1 << 28)
#       define R600_HDMI_INT_ACK        (1 << 29)
#define R600_HDMI_UNKNOWN_0             0x0C
#define R600_HDMI_AUDIOCNTL             0x10
#define R600_HDMI_VIDEOCNTL             0x14
#define R600_HDMI_VERSION               0x18
#define R600_HDMI_UNKNOWN_1             0x28
#define R600_HDMI_VIDEOINFOFRAME_0      0x54
#define R600_HDMI_VIDEOINFOFRAME_1      0x58
#define R600_HDMI_VIDEOINFOFRAME_2      0x5c
#define R600_HDMI_VIDEOINFOFRAME_3      0x60
#define R600_HDMI_32kHz_CTS             0xac
#define R600_HDMI_32kHz_N               0xb0
#define R600_HDMI_44_1kHz_CTS           0xb4
#define R600_HDMI_44_1kHz_N             0xb8
#define R600_HDMI_48kHz_CTS             0xbc
#define R600_HDMI_48kHz_N               0xc0
#define R600_HDMI_AUDIOINFOFRAME_0      0xcc
#define R600_HDMI_AUDIOINFOFRAME_1      0xd0
#define R600_HDMI_IEC60958_1            0xd4
#define R600_HDMI_IEC60958_2            0xd8
#define R600_HDMI_UNKNOWN_2             0xdc
#define R600_HDMI_AUDIO_DEBUG_0         0xe0
#define R600_HDMI_AUDIO_DEBUG_1         0xe4
#define R600_HDMI_AUDIO_DEBUG_2         0xe8
#define R600_HDMI_AUDIO_DEBUG_3         0xec
#define R600_HDMI_AUDIO_PACKET_CNTL	0x204
#define EVERGREEN_AUDIO_PACKET_CNTL	0xfc

#endif
+5 −2
Original line number Diff line number Diff line
@@ -1056,9 +1056,12 @@
#       define AFMT_AZ_FORMAT_WTRIG_MASK     (1 << 28)
#       define AFMT_AZ_FORMAT_WTRIG_ACK      (1 << 29)
#       define AFMT_AZ_AUDIO_ENABLE_CHG_ACK  (1 << 30)

#define DCE2_HDMI_OFFSET0		(0x7400 - 0x7400)
#define DCE2_HDMI_OFFSET1		(0x7700 - 0x7400)
/* DCE3.2 second instance starts at 0x7800 */
#define HDMI_OFFSET0                      (0x7400 - 0x7400)
#define HDMI_OFFSET1                      (0x7800 - 0x7400)
#define DCE3_HDMI_OFFSET0		(0x7400 - 0x7400)
#define DCE3_HDMI_OFFSET1		(0x7800 - 0x7400)

/*
 * PM4