drm/nouveau/hdmi: enable sending of avi/audio infoframes

	}

}

static void

nouveau_hdmi_infoframe(struct drm_encoder *encoder, u32 ctrl, u8 *frame)

{

	/* calculate checksum for the infoframe */

	u8 sum = 0, i;

	for (i = 0; i < frame[2]; i++)

		sum += frame[i];

	frame[3] = 256 - sum;

	/* disable infoframe, and write header */

	hdmi_mask(encoder, ctrl + 0x00, 0x00000001, 0x00000000);

	hdmi_wr32(encoder, ctrl + 0x08, *(u32 *)frame & 0xffffff);

	/* register scans tell me the audio infoframe has only one set of

	 * subpack regs, according to tegra (gee nvidia, it'd be nice if we

	 * could get those docs too!), the hdmi block pads out the rest of

	 * the packet on its own.

	 */

	if (ctrl == 0x020)

		frame[2] = 6;

	/* write out checksum and data, weird weird 7 byte register pairs */

	for (i = 0; i < frame[2] + 1; i += 7) {

		u32 rsubpack = ctrl + 0x0c + ((i / 7) * 8);

		u32 *subpack = (u32 *)&frame[3 + i];

		hdmi_wr32(encoder, rsubpack + 0, subpack[0]);

		hdmi_wr32(encoder, rsubpack + 4, subpack[1] & 0xffffff);

	}

	/* enable the infoframe */

	hdmi_mask(encoder, ctrl, 0x00000001, 0x00000001);

}

static void

nouveau_hdmi_video_infoframe(struct drm_encoder *encoder,

			     struct drm_display_mode *mode)

{

	const u8 Y = 0, A = 0, B = 0, S = 0, C = 0, M = 0, R = 0;

	const u8 ITC = 0, EC = 0, Q = 0, SC = 0, VIC = 0, PR = 0;

	const u8 bar_top = 0, bar_bottom = 0, bar_left = 0, bar_right = 0;

	u8 frame[20];

	frame[0x00] = 0x82; /* AVI infoframe */

	frame[0x01] = 0x02; /* version */

	frame[0x02] = 0x0d; /* length */

	frame[0x03] = 0x00;

	frame[0x04] = (Y << 5) | (A << 4) | (B << 2) | S;

	frame[0x05] = (C << 6) | (M << 4) | R;

	frame[0x06] = (ITC << 7) | (EC << 4) | (Q << 2) | SC;

	frame[0x07] = VIC;

	frame[0x08] = PR;

	frame[0x09] = bar_top & 0xff;

	frame[0x0a] = bar_top >> 8;

	frame[0x0b] = bar_bottom & 0xff;

	frame[0x0c] = bar_bottom >> 8;

	frame[0x0d] = bar_left & 0xff;

	frame[0x0e] = bar_left >> 8;

	frame[0x0f] = bar_right & 0xff;

	frame[0x10] = bar_right >> 8;

	frame[0x11] = 0x00;

	frame[0x12] = 0x00;

	frame[0x13] = 0x00;

	nouveau_hdmi_infoframe(encoder, 0x020, frame);

}

static void

nouveau_hdmi_audio_infoframe(struct drm_encoder *encoder,

			     struct drm_display_mode *mode)

{

	const u8 CT = 0x00, CC = 0x01, ceaSS = 0x00, SF = 0x00, FMT = 0x00;

	const u8 CA = 0x00, DM_INH = 0, LSV = 0x00;

	u8 frame[12];

	frame[0x00] = 0x84;	/* Audio infoframe */

	frame[0x01] = 0x01;	/* version */

	frame[0x02] = 0x0a;	/* length */

	frame[0x03] = 0x00;

	frame[0x04] = (CT << 4) | CC;

	frame[0x05] = (SF << 2) | ceaSS;

	frame[0x06] = FMT;

	frame[0x07] = CA;

	frame[0x08] = (DM_INH << 7) | (LSV << 3);

	frame[0x09] = 0x00;

	frame[0x0a] = 0x00;

	frame[0x0b] = 0x00;

	nouveau_hdmi_infoframe(encoder, 0x000, frame);

}

static void

nouveau_hdmi_disconnect(struct drm_encoder *encoder)

{

	nouveau_audio_disconnect(encoder);

	/* disable audio and avi infoframes */

	hdmi_mask(encoder, 0x000, 0x00000001, 0x00000000);

	hdmi_mask(encoder, 0x020, 0x00000001, 0x00000000);

	/* disable hdmi */

	hdmi_mask(encoder, 0x0a4, 0x40000000, 0x00000000);

}

void

		return;

	}

	/* enable hdmi */

	hdmi_mask(encoder, 0x0a4, 0x40000000, 0x40000000);

	nouveau_hdmi_video_infoframe(encoder, mode);

	nouveau_hdmi_audio_infoframe(encoder, mode);

	nouveau_audio_mode_set(encoder, mode);

}