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Commit 761f758b authored by Ajay Singh Parmar's avatar Ajay Singh Parmar
Browse files

msm: mdss: hdmi: proper AVI infoframe usage 



Correct the VIC code filled in the AVI infoframe
data byte 4. Re-arrange AVI infoframe LUT w.r.t.
the resolution for easy and clear implementation.

CRs-Fixed: 636294
Change-Id: I68e6097a0448b8b932cb5026e8a2b27ee359b8e6
Signed-off-by: default avatarAjay Singh Parmar <aparmar@codeaurora.org>
parent ec4b001e

drivers/video/msm/mdss/mdss_hdmi_tx.c

+115 −147
Original line number Diff line number Diff line
@@ -73,6 +73,7 @@ static bool hdcp_feature_on = true; 
#define MSM_HDMI_AUDIO_CHANNEL_8	8



#define NUM_MODES_AVI 20

#define AVI_MAX_DATA_BYTES 13



/* AVI Infoframe data byte 3, bit 7 (msb) represents ITC bit */

#define SET_ITC_BIT(byte)  (byte = (byte | BIT(7)))
@@ -168,47 +169,84 @@ const char *hdmi_pm_name(enum hdmi_tx_power_module_type module) 
	}

} /* hdmi_pm_name */



static u8 hdmi_tx_avi_iframe_lut[][NUM_MODES_AVI] = {

	{0x10,	0x10,	0x10,	0x10,	0x10,	0x10,	0x10,	0x10,	0x10,

	 0x10,	0x10,	0x10,	0x10,	0x10,	0x10,	0x10,	0x10,	0x10,

	 0x10,	0x10}, /*00*/

	{0x18,	0x18,	0x28,	0x28,	0x28,	0x28,	0x28,	0x28,	0x28,

	 0x28,	0x28,	0x28,	0x28,	0x18,	0x28,	0x18,	0x28,	0x28,

	 0x28,	0x28}, /*01*/

	{0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,

	 0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,

	 0x00,	0x00}, /*02*/

	{0x02,	0x06,	0x11,	0x15,	0x04,	0x13,	0x10,	0x05,	0x1F,

	 0x14,	0x20,	0x22,	0x21,	0x01,	0x03,	0x11,	0x00,	0x00,

	 0x00,	0x00}, /*03*/

	{0x00,	0x01,	0x00,	0x01,	0x00,	0x00,	0x00,	0x00,	0x00,

	 0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,

	 0x00,	0x00}, /*04*/

	{0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,

	 0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,

	 0x00,	0x00}, /*05*/

	{0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,

	 0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,

	 0x00,	0x00}, /*06*/

	{0xE1,	0xE1,	0x41,	0x41,	0xD1,	0xd1,	0x39,	0x39,	0x39,

	 0x39,	0x39,	0x39,	0x39,	0xe1,	0xE1,	0x41,	0x71,	0x71,

	 0x71,	0x71}, /*07*/

	{0x01,	0x01,	0x02,	0x02,	0x02,	0x02,	0x04,	0x04,	0x04,

	 0x04,	0x04,	0x04,	0x04,	0x01,	0x01,	0x02,	0x08,	0x08,

	 0x08,	0x08}, /*08*/

	{0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,

	 0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,

	 0x00,	0x00}, /*09*/

	{0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,

	 0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,

	 0x00,	0x00}, /*10*/

	{0xD1,	0xD1,	0xD1,	0xD1,	0x01,	0x01,	0x81,	0x81,	0x81,

	 0x81,	0x81,	0x81,	0x81,	0x81,	0xD1,	0xD1,	0x01,	0x01,

	 0x01,	0x01}, /*11*/

	{0x02,	0x02,	0x02,	0x02,	0x05,	0x05,	0x07,	0x07,	0x07,

	 0x07,	0x07,	0x07,	0x07,	0x02,	0x02,	0x02,	0x0F,	0x0F,

	 0x0F,	0x10}  /*12*/

};

/*

 * 13 Bytes of AVI infoframe data wrt each resolution

 * Data Byte 01: 0 Y1 Y0 A0 B1 B0 S1 S0

 * Data Byte 02: C1 C0 M1 M0 R3 R2 R1 R0

 * Data Byte 03: ITC EC2 EC1 EC0 Q1 Q0 SC1 SC0

 * Data Byte 04: 0 VIC6 VIC5 VIC4 VIC3 VIC2 VIC1 VIC0

 * Data Byte 05: 0 0 0 0 PR3 PR2 PR1 PR0

 * Data Byte 06: LSB Line No of End of Top Bar

 * Data Byte 07: MSB Line No of End of Top Bar

 * Data Byte 08: LSB Line No of Start of Bottom Bar

 * Data Byte 09: MSB Line No of Start of Bottom Bar

 * Data Byte 10: LSB Pixel Number of End of Left Bar

 * Data Byte 11: MSB Pixel Number of End of Left Bar

 * Data Byte 12: LSB Pixel Number of Start of Right Bar

 * Data Byte 13: MSB Pixel Number of Start of Right Bar

 */

static u8 hdmi_tx_avi_iframe_lut[HDMI_EVFRMT_END + 1][AVI_MAX_DATA_BYTES] = {

	[HDMI_VFRMT_720x480p60_4_3] = {

		0x10, 0x18, 0x00, 0x02, 0x00, 0x00, 0x00,

		0xE1, 0x01, 0x00, 0x00, 0xD1, 0x02},

	[HDMI_VFRMT_720x480i60_16_9] = {

		0x10, 0x18, 0x00, 0x07, 0x01, 0x00, 0x00,

		0xE1, 0x01, 0x00, 0x00, 0xD1, 0x02},

	[HDMI_VFRMT_720x576p50_16_9] = {

		0x10, 0x28, 0x00, 0x12, 0x00, 0x00, 0x00,

		0x41, 0x02, 0x00, 0x00, 0xD1, 0x02},

	[HDMI_VFRMT_720x576i50_16_9] = {

		0x10, 0x28, 0x00, 0x16, 0x01, 0x00, 0x00,

		0x41, 0x02, 0x00, 0x00, 0xD1, 0x02},

	[HDMI_VFRMT_1280x720p60_16_9] = {

		0x10, 0x28, 0x00, 0x04, 0x00, 0x00, 0x00,

		0xD1, 0x02, 0x00, 0x00, 0x01, 0x05},

	[HDMI_VFRMT_1280x720p50_16_9] = {

		0x10, 0x28, 0x00, 0x13, 0x00, 0x00, 0x00,

		0xD1, 0x02, 0x00, 0x00, 0x01, 0x05},

	[HDMI_VFRMT_1920x1080p60_16_9] = {

		0x10, 0x28, 0x00, 0x10, 0x00, 0x00, 0x00,

		0x39, 0x04, 0x00, 0x00, 0x81, 0x07},

	[HDMI_VFRMT_1920x1080i60_16_9] = {

		0x10, 0x28, 0x00, 0x05, 0x00, 0x00, 0x00,

		0x39, 0x04, 0x00, 0x00, 0x81, 0x07},

	[HDMI_VFRMT_1920x1080p50_16_9] = {

		0x10, 0x28, 0x00, 0x1F, 0x00, 0x00, 0x00,

		0x39, 0x04, 0x00, 0x00, 0x81, 0x07},

	[HDMI_VFRMT_1920x1080i50_16_9] = {

		0x10, 0x28, 0x00, 0x14, 0x00, 0x00, 0x00,

		0x39, 0x04, 0x00, 0x00, 0x81, 0x07},

	[HDMI_VFRMT_1920x1080p24_16_9] = {

		0x10, 0x28, 0x00, 0x20, 0x00, 0x00, 0x00,

		0x39, 0x04, 0x00, 0x00, 0x81, 0x07},

	[HDMI_VFRMT_1920x1080p30_16_9] = {

		0x10, 0x28, 0x00, 0x22, 0x00, 0x00, 0x00,

		0x39, 0x04, 0x00, 0x00, 0x81, 0x07},

	[HDMI_VFRMT_1920x1080p30_16_9] = {

		0x10, 0x28, 0x00, 0x21, 0x00, 0x00, 0x00,

		0x39, 0x04, 0x00, 0x00, 0x81, 0x07},

	[HDMI_VFRMT_640x480p60_4_3] = {

		0x10, 0x18, 0x00, 0x01, 0x00, 0x00, 0x00,

		0xE1, 0x01, 0x00, 0x00, 0x81, 0x02},

	[HDMI_VFRMT_720x480p60_16_9] = {

		0x10, 0x28, 0x00, 0x03, 0x00, 0x00, 0x00,

		0xE1, 0x01, 0x00, 0x00, 0xD1, 0x02},

	[HDMI_VFRMT_720x576p50_4_3] = {

		0x10, 0x18, 0x00, 0x11, 0x00, 0x00, 0x00,

		0x41, 0x02, 0x00, 0x00, 0xD1, 0x02},

	[HDMI_VFRMT_3840x2160p30_16_9] = {

		0x10, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00,

		0x71, 0x08, 0x00, 0x00, 0x01, 0x0F},

	[HDMI_VFRMT_3840x2160p25_16_9] = {

		0x10, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00,

		0x71, 0x08, 0x00, 0x00, 0x01, 0x0F},

	[HDMI_VFRMT_3840x2160p24_16_9] = {

		0x10, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00,

		0x71, 0x08, 0x00, 0x00, 0x01, 0x0F},

	[HDMI_VFRMT_4096x2160p24_16_9] = {

		0x10, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00,

		0x71, 0x08, 0x00, 0x00, 0x01, 0x10}

}; /* hdmi_tx_avi_iframe_lut */



/* Audio constants lookup table for hdmi_tx_audio_acr_setup */

/* Valid Pixel-Clock rates: 25.2MHz, 27MHz, 27.03MHz, 74.25MHz, 148.5MHz */
@@ -805,8 +843,8 @@ static ssize_t hdmi_tx_sysfs_wta_avi_itc(struct device *dev, 
	struct device_attribute *attr, const char *buf, size_t count)

{

	ssize_t ret = strnlen(buf, PAGE_SIZE);

	u8 *avi_byte3 = hdmi_tx_avi_iframe_lut[2];

	struct hdmi_tx_ctrl *hdmi_ctrl = NULL;

	u8 data_byte_3 = 0x02;

	int loop = 0, itc = 0, rc = 0;



	hdmi_ctrl = hdmi_tx_get_drvdata_from_sysfs_dev(dev);
@@ -831,10 +869,11 @@ static ssize_t hdmi_tx_sysfs_wta_avi_itc(struct device *dev, 
		return -ERESTARTSYS;



	for (loop = 0; loop < NUM_MODES_AVI; loop++) {

		u8 *avi_infoframe = hdmi_tx_avi_iframe_lut[loop];

		if (itc)

			SET_ITC_BIT(avi_byte3[loop]);

			SET_ITC_BIT(avi_infoframe[data_byte_3]);

		else

			CLR_ITC_BIT(avi_byte3[loop]);

			CLR_ITC_BIT(avi_infoframe[data_byte_3]);

	}



	mutex_unlock(&hdmi_ctrl->lut_lock);
@@ -846,7 +885,7 @@ static ssize_t hdmi_tx_sysfs_wta_avi_cn_bits(struct device *dev, 
	struct device_attribute *attr, const char *buf, size_t count)

{

	ssize_t ret = strnlen(buf, PAGE_SIZE);

	u8 *avi_byte5 = hdmi_tx_avi_iframe_lut[4];

	u8 data_byte_5 = 0x04;

	struct hdmi_tx_ctrl *hdmi_ctrl = NULL;

	int loop = 0, cn_bits = 0, rc = 0;
@@ -872,8 +911,10 @@ static ssize_t hdmi_tx_sysfs_wta_avi_cn_bits(struct device *dev, 
	if (mutex_lock_interruptible(&hdmi_ctrl->lut_lock))

		return -ERESTARTSYS;



	for (loop = 0; loop < NUM_MODES_AVI; loop++)

		CONFIG_CN_BITS(cn_bits, avi_byte5[loop]);

	for (loop = 0; loop < NUM_MODES_AVI; loop++) {

		u8 *avi_infoframe = hdmi_tx_avi_iframe_lut[loop];

		CONFIG_CN_BITS(cn_bits, avi_infoframe[data_byte_5]);

	}



	mutex_unlock(&hdmi_ctrl->lut_lock);
@@ -1419,11 +1460,13 @@ static int hdmi_tx_video_setup(struct hdmi_tx_ctrl *hdmi_ctrl, 


static void hdmi_tx_set_avi_infoframe(struct hdmi_tx_ctrl *hdmi_ctrl)

{

	int i, mode = 0;

	u8 avi_iframe[16]; /* two header + length + 13 data */

	int i;

	/* two header + length + AVI_MAX_DATA_BYTES */

	u8 avi_iframe[AVI_MAX_DATA_BYTES + 3];

	u8 checksum;

	u32 sum, regVal;

	struct dss_io_data *io = NULL;

	u32 vic = hdmi_ctrl->video_resolution;



	if (!hdmi_ctrl) {

		DEV_ERR("%s: invalid input\n", __func__);
@@ -1436,111 +1479,36 @@ static void hdmi_tx_set_avi_infoframe(struct hdmi_tx_ctrl *hdmi_ctrl) 
		return;

	}



	switch (hdmi_ctrl->video_resolution) {

	case HDMI_VFRMT_720x480p60_4_3:

		mode = 0;

		break;

	case HDMI_VFRMT_720x480i60_16_9:

		mode = 1;

		break;

	case HDMI_VFRMT_720x576p50_16_9:

		mode = 2;

		break;

	case HDMI_VFRMT_720x576i50_16_9:

		mode = 3;

		break;

	case HDMI_VFRMT_1280x720p60_16_9:

		mode = 4;

		break;

	case HDMI_VFRMT_1280x720p50_16_9:

		mode = 5;

		break;

	case HDMI_VFRMT_1920x1080p60_16_9:

		mode = 6;

		break;

	case HDMI_VFRMT_1920x1080i60_16_9:

		mode = 7;

		break;

	case HDMI_VFRMT_1920x1080p50_16_9:

		mode = 8;

		break;

	case HDMI_VFRMT_1920x1080i50_16_9:

		mode = 9;

		break;

	case HDMI_VFRMT_1920x1080p24_16_9:

		mode = 10;

		break;

	case HDMI_VFRMT_1920x1080p30_16_9:

		mode = 11;

		break;

	case HDMI_VFRMT_1920x1080p25_16_9:

		mode = 12;

		break;

	case HDMI_VFRMT_640x480p60_4_3:

		mode = 13;

		break;

	case HDMI_VFRMT_720x480p60_16_9:

		mode = 14;

		break;

	case HDMI_VFRMT_720x576p50_4_3:

		mode = 15;

		break;

	case HDMI_VFRMT_3840x2160p30_16_9:

		mode = 16;

		break;

	case HDMI_VFRMT_3840x2160p25_16_9:

		mode = 17;

		break;

	case HDMI_VFRMT_3840x2160p24_16_9:

		mode = 18;

		break;

	case HDMI_VFRMT_4096x2160p24_16_9:

		mode = 19;

		break;

	default:

		DEV_INFO("%s: mode %d not supported\n", __func__,

			hdmi_ctrl->video_resolution);

		return;

	}

	/*

	 * InfoFrame Type Code:

	 * 0x00 - Reserved

	 * 0x01 - Vendor Specific

	 * 0x02 - Auxiliary Video Information

	 * 0x03 - Source Product Description

	 * 0x04 - AUDIO

	 * 0x05 - MPEG Source

	 * 0x06 - NTSC VBI

	 * 0x07 - 0xFF - Reserved

	 *

	 * Select Type = 02

	 */

	avi_iframe[0] = 0x02;



	/* InfoFrame Type = 82 */

	avi_iframe[0]  = 0x82;

	/* Version = 2 */

	avi_iframe[1]  = 2;

	/* Length of AVI InfoFrame = 13 */

	avi_iframe[2]  = 13;

	avi_iframe[1] = 0x02;



	/* Length of AVI InfoFrame data */

	avi_iframe[2] = AVI_MAX_DATA_BYTES;



	/* copy AVI_MAX_DATA_BYTES of AVI infoframe data wrt VIC */

	memcpy(avi_iframe + 3,

		hdmi_tx_avi_iframe_lut[vic],

		sizeof(hdmi_tx_avi_iframe_lut[vic]));



	/* Data Byte 01: 0 Y1 Y0 A0 B1 B0 S1 S0 */

	avi_iframe[3]  = hdmi_tx_avi_iframe_lut[0][mode];

	avi_iframe[3] |= hdmi_edid_get_sink_scaninfo(

		hdmi_ctrl->feature_data[HDMI_TX_FEAT_EDID],

		hdmi_ctrl->video_resolution);



	/* Data Byte 02: C1 C0 M1 M0 R3 R2 R1 R0 */

	avi_iframe[4]  = hdmi_tx_avi_iframe_lut[1][mode];

	/* Data Byte 03: ITC EC2 EC1 EC0 Q1 Q0 SC1 SC0 */

	avi_iframe[5]  = hdmi_tx_avi_iframe_lut[2][mode];

	/* Data Byte 04: 0 VIC6 VIC5 VIC4 VIC3 VIC2 VIC1 VIC0 */

	avi_iframe[6]  = hdmi_tx_avi_iframe_lut[3][mode];

	/* Data Byte 05: 0 0 0 0 PR3 PR2 PR1 PR0 */

	avi_iframe[7]  = hdmi_tx_avi_iframe_lut[4][mode];

	/* Data Byte 06: LSB Line No of End of Top Bar */

	avi_iframe[8]  = hdmi_tx_avi_iframe_lut[5][mode];

	/* Data Byte 07: MSB Line No of End of Top Bar */

	avi_iframe[9]  = hdmi_tx_avi_iframe_lut[6][mode];

	/* Data Byte 08: LSB Line No of Start of Bottom Bar */

	avi_iframe[10] = hdmi_tx_avi_iframe_lut[7][mode];

	/* Data Byte 09: MSB Line No of Start of Bottom Bar */

	avi_iframe[11] = hdmi_tx_avi_iframe_lut[8][mode];

	/* Data Byte 10: LSB Pixel Number of End of Left Bar */

	avi_iframe[12] = hdmi_tx_avi_iframe_lut[9][mode];

	/* Data Byte 11: MSB Pixel Number of End of Left Bar */

	avi_iframe[13] = hdmi_tx_avi_iframe_lut[10][mode];

	/* Data Byte 12: LSB Pixel Number of Start of Right Bar */

	avi_iframe[14] = hdmi_tx_avi_iframe_lut[11][mode];

	/* Data Byte 13: MSB Pixel Number of Start of Right Bar */

	avi_iframe[15] = hdmi_tx_avi_iframe_lut[12][mode];



	sum = 0;

	for (i = 0; i < 16; i++)

		sum += avi_iframe[i];