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Commit eed45b30 authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
Browse files

drm/radeon/kms: get HPD info for connectors 



This populates the connectors with HPD (Hot Plug Detect)
information.  This will be used in subsequent patches
for automatic digital monitor connect/disconnect handling.

Signed-off-by: default avatarAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 53c1e09f

drivers/gpu/drm/radeon/atombios.h

+1 −1
Original line number Diff line number Diff line
@@ -2680,7 +2680,7 @@ typedef struct _ATOM_I2C_RECORD { 
typedef struct _ATOM_HPD_INT_RECORD {

	ATOM_COMMON_RECORD_HEADER sheader;

	UCHAR ucHPDIntGPIOID;	/* Corresponding block in GPIO_PIN_INFO table gives the pin info */

	UCHAR ucPluggged_PinState;

	UCHAR ucPlugged_PinState;

} ATOM_HPD_INT_RECORD;



typedef struct _ATOM_OUTPUT_PROTECTION_RECORD {

drivers/gpu/drm/radeon/r500_reg.h

+2 −0
Original line number Diff line number Diff line
@@ -716,6 +716,8 @@ 


#define AVIVO_DVOA_BIT_DEPTH_CONTROL			0x7988



#define AVIVO_DC_GPIO_HPD_A                 0x7e94



#define AVIVO_GPIO_0                        0x7e30

#define AVIVO_GPIO_1                        0x7e40

#define AVIVO_GPIO_2                        0x7e50

drivers/gpu/drm/radeon/radeon_atombios.c

+149 −41
Original line number Diff line number Diff line
@@ -47,7 +47,8 @@ radeon_add_atom_connector(struct drm_device *dev, 
			  int connector_type,

			  struct radeon_i2c_bus_rec *i2c_bus,

			  bool linkb, uint32_t igp_lane_info,

			  uint16_t connector_object_id);

			  uint16_t connector_object_id,

			  struct radeon_hpd *hpd);



/* from radeon_legacy_encoder.c */

extern void
@@ -60,10 +61,9 @@ union atom_supported_devices { 
	struct _ATOM_SUPPORTED_DEVICES_INFO_2d1 info_2d1;

};



static inline struct radeon_i2c_bus_rec radeon_lookup_gpio(struct drm_device *dev,

static inline struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_device *rdev,

							       uint8_t id)

{

	struct radeon_device *rdev = dev->dev_private;

	struct atom_context *ctx = rdev->mode_info.atom_context;

	ATOM_GPIO_I2C_ASSIGMENT *gpio;

	struct radeon_i2c_bus_rec i2c;
@@ -114,11 +114,80 @@ static inline struct radeon_i2c_bus_rec radeon_lookup_gpio(struct drm_device *de 
	return i2c;

}



static inline struct radeon_gpio_rec radeon_lookup_gpio(struct radeon_device *rdev,

							u8 id)

{

	struct atom_context *ctx = rdev->mode_info.atom_context;

	struct radeon_gpio_rec gpio;

	int index = GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT);

	struct _ATOM_GPIO_PIN_LUT *gpio_info;

	ATOM_GPIO_PIN_ASSIGNMENT *pin;

	u16 data_offset, size;

	int i, num_indices;



	memset(&gpio, 0, sizeof(struct radeon_gpio_rec));

	gpio.valid = false;



	atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset);



	gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset);



	num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / sizeof(ATOM_GPIO_PIN_ASSIGNMENT);



	for (i = 0; i < num_indices; i++) {

		pin = &gpio_info->asGPIO_Pin[i];

		if (id == pin->ucGPIO_ID) {

			gpio.id = pin->ucGPIO_ID;

			gpio.reg = pin->usGpioPin_AIndex * 4;

			gpio.mask = (1 << pin->ucGpioPinBitShift);

			gpio.valid = true;

			break;

		}

	}



	return gpio;

}



static struct radeon_hpd radeon_atom_get_hpd_info_from_gpio(struct radeon_device *rdev,

							    struct radeon_gpio_rec *gpio)

{

	struct radeon_hpd hpd;

	hpd.gpio = *gpio;

	if (gpio->reg == AVIVO_DC_GPIO_HPD_A) {

		switch(gpio->mask) {

		case (1 << 0):

			hpd.hpd = RADEON_HPD_1;

			break;

		case (1 << 8):

			hpd.hpd = RADEON_HPD_2;

			break;

		case (1 << 16):

			hpd.hpd = RADEON_HPD_3;

			break;

		case (1 << 24):

			hpd.hpd = RADEON_HPD_4;

			break;

		case (1 << 26):

			hpd.hpd = RADEON_HPD_5;

			break;

		case (1 << 28):

			hpd.hpd = RADEON_HPD_6;

			break;

		default:

			hpd.hpd = RADEON_HPD_NONE;

			break;

		}

	} else

		hpd.hpd = RADEON_HPD_NONE;

	return hpd;

}



static bool radeon_atom_apply_quirks(struct drm_device *dev,

				     uint32_t supported_device,

				     int *connector_type,

				     struct radeon_i2c_bus_rec *i2c_bus,

				     uint16_t *line_mux)

				     uint16_t *line_mux,

				     struct radeon_hpd *hpd)

{



	/* Asus M2A-VM HDMI board lists the DVI port as HDMI */
@@ -279,16 +348,19 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) 
	struct radeon_mode_info *mode_info = &rdev->mode_info;

	struct atom_context *ctx = mode_info->atom_context;

	int index = GetIndexIntoMasterTable(DATA, Object_Header);

	uint16_t size, data_offset;

	uint8_t frev, crev, line_mux = 0;

	u16 size, data_offset;

	u8 frev, crev;

	ATOM_CONNECTOR_OBJECT_TABLE *con_obj;

	ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj;

	ATOM_OBJECT_HEADER *obj_header;

	int i, j, path_size, device_support;

	int connector_type;

	uint16_t igp_lane_info, conn_id, connector_object_id;

	u16 igp_lane_info, conn_id, connector_object_id;

	bool linkb;

	struct radeon_i2c_bus_rec ddc_bus;

	struct radeon_gpio_rec gpio;

	struct radeon_hpd hpd;



	atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset);



	if (data_offset == 0)
@@ -414,10 +486,9 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) 
				}

			}



			/* look up gpio for ddc */

			/* look up gpio for ddc, hpd */

			if ((le16_to_cpu(path->usDeviceTag) &

			     (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))

			    == 0) {

			     (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) == 0) {

				for (j = 0; j < con_obj->ucNumberOfObjects; j++) {

					if (le16_to_cpu(path->usConnObjectId) ==

					    le16_to_cpu(con_obj->asObjects[j].
@@ -431,21 +502,31 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) 
								 asObjects[j].

								 usRecordOffset));

						ATOM_I2C_RECORD *i2c_record;

						ATOM_HPD_INT_RECORD *hpd_record;

						hpd.hpd = RADEON_HPD_NONE;



						while (record->ucRecordType > 0

						       && record->

						       ucRecordType <=

						       ATOM_MAX_OBJECT_RECORD_NUMBER) {

							switch (record->

								ucRecordType) {

							switch (record->ucRecordType) {

							case ATOM_I2C_RECORD_TYPE:

								i2c_record =

								    (ATOM_I2C_RECORD

								     *) record;

								line_mux =

								    (ATOM_I2C_RECORD *)

									record;

								ddc_bus = radeon_lookup_i2c_gpio(rdev,

												 i2c_record->

												 sucI2cId.

								    bfI2C_LineMux;

												 bfI2C_LineMux);

								break;

							case ATOM_HPD_INT_RECORD_TYPE:

								hpd_record =

									(ATOM_HPD_INT_RECORD *)

									record;

								gpio = radeon_lookup_gpio(rdev,

											  hpd_record->ucHPDIntGPIOID);

								hpd = radeon_atom_get_hpd_info_from_gpio(rdev, &gpio);

								hpd.plugged_state = hpd_record->ucPlugged_PinState;

								break;

							}

							record =
@@ -458,24 +539,16 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) 
						break;

					}

				}

			} else

				line_mux = 0;



			if ((le16_to_cpu(path->usDeviceTag) ==

			     ATOM_DEVICE_TV1_SUPPORT)

			    || (le16_to_cpu(path->usDeviceTag) ==

				ATOM_DEVICE_TV2_SUPPORT)

			    || (le16_to_cpu(path->usDeviceTag) ==

				ATOM_DEVICE_CV_SUPPORT))

			} else {

				hpd.hpd = RADEON_HPD_NONE;

				ddc_bus.valid = false;

			else

				ddc_bus = radeon_lookup_gpio(dev, line_mux);

			}



			conn_id = le16_to_cpu(path->usConnObjectId);



			if (!radeon_atom_apply_quirks

			    (dev, le16_to_cpu(path->usDeviceTag), &connector_type,

			     &ddc_bus, &conn_id))

			     &ddc_bus, &conn_id, &hpd))

				continue;



			radeon_add_atom_connector(dev,
@@ -484,7 +557,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) 
							      usDeviceTag),

						  connector_type, &ddc_bus,

						  linkb, igp_lane_info,

						  connector_object_id);

						  connector_object_id,

						  &hpd);



		}

	}
@@ -539,6 +613,7 @@ struct bios_connector { 
	uint16_t devices;

	int connector_type;

	struct radeon_i2c_bus_rec ddc_bus;

	struct radeon_hpd hpd;

};



bool radeon_get_atom_connector_info_from_supported_devices_table(struct
@@ -554,7 +629,7 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct 
	uint16_t device_support;

	uint8_t dac;

	union atom_supported_devices *supported_devices;

	int i, j;

	int i, j, max_device;

	struct bios_connector bios_connectors[ATOM_MAX_SUPPORTED_DEVICE];



	atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset);
@@ -564,7 +639,12 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct 


	device_support = le16_to_cpu(supported_devices->info.usDeviceSupport);



	for (i = 0; i < ATOM_MAX_SUPPORTED_DEVICE; i++) {

	if (frev > 1)

		max_device = ATOM_MAX_SUPPORTED_DEVICE;

	else

		max_device = ATOM_MAX_SUPPORTED_DEVICE_INFO;



	for (i = 0; i < max_device; i++) {

		ATOM_CONNECTOR_INFO_I2C ci =

		    supported_devices->info.asConnInfo[i];
@@ -619,9 +699,31 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct 
			bios_connectors[i].line_mux = 52;

		} else

			bios_connectors[i].ddc_bus =

			    radeon_lookup_gpio(dev,

			    radeon_lookup_i2c_gpio(rdev,

						   bios_connectors[i].line_mux);



		if ((crev > 1) && (frev > 1)) {

			u8 isb = supported_devices->info_2d1.asIntSrcInfo[i].ucIntSrcBitmap;

			switch (isb) {

			case 0x4:

				bios_connectors[i].hpd.hpd = RADEON_HPD_1;

				break;

			case 0xa:

				bios_connectors[i].hpd.hpd = RADEON_HPD_2;

				break;

			default:

				bios_connectors[i].hpd.hpd = RADEON_HPD_NONE;

				break;

			}

		} else {

			if (i == ATOM_DEVICE_DFP1_INDEX)

				bios_connectors[i].hpd.hpd = RADEON_HPD_1;

			else if (i == ATOM_DEVICE_DFP2_INDEX)

				bios_connectors[i].hpd.hpd = RADEON_HPD_2;

			else

				bios_connectors[i].hpd.hpd = RADEON_HPD_NONE;

		}



		/* Always set the connector type to VGA for CRT1/CRT2. if they are

		 * shared with a DVI port, we'll pick up the DVI connector when we

		 * merge the outputs.  Some bioses incorrectly list VGA ports as DVI.
@@ -632,7 +734,8 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct 


		if (!radeon_atom_apply_quirks

		    (dev, (1 << i), &bios_connectors[i].connector_type,

		     &bios_connectors[i].ddc_bus, &bios_connectors[i].line_mux))

		     &bios_connectors[i].ddc_bus, &bios_connectors[i].line_mux,

		     &bios_connectors[i].hpd))

			continue;



		bios_connectors[i].valid = true;
@@ -654,9 +757,9 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct 
	}



	/* combine shared connectors */

	for (i = 0; i < ATOM_MAX_SUPPORTED_DEVICE; i++) {

	for (i = 0; i < max_device; i++) {

		if (bios_connectors[i].valid) {

			for (j = 0; j < ATOM_MAX_SUPPORTED_DEVICE; j++) {

			for (j = 0; j < max_device; j++) {

				if (bios_connectors[j].valid && (i != j)) {

					if (bios_connectors[i].line_mux ==

					    bios_connectors[j].line_mux) {
@@ -680,6 +783,10 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct 
							bios_connectors[i].

							    connector_type =

							    DRM_MODE_CONNECTOR_DVII;

							if (bios_connectors[j].devices &

							    (ATOM_DEVICE_DFP_SUPPORT))

								bios_connectors[i].hpd =

									bios_connectors[j].hpd;

							bios_connectors[j].

							    valid = false;

						}
@@ -690,7 +797,7 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct 
	}



	/* add the connectors */

	for (i = 0; i < ATOM_MAX_SUPPORTED_DEVICE; i++) {

	for (i = 0; i < max_device; i++) {

		if (bios_connectors[i].valid) {

			uint16_t connector_object_id =

				atombios_get_connector_object_id(dev,
@@ -703,7 +810,8 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct 
						  connector_type,

						  &bios_connectors[i].ddc_bus,

						  false, 0,

						  connector_object_id);

						  connector_object_id,

						  &bios_connectors[i].hpd);

		}

	}

drivers/gpu/drm/radeon/radeon_combios.c

+136 −40

File changed.

Preview size limit exceeded, changes collapsed.

drivers/gpu/drm/radeon/radeon_connectors.c

+6 −2
Original line number Diff line number Diff line
@@ -989,7 +989,8 @@ radeon_add_atom_connector(struct drm_device *dev, 
			  struct radeon_i2c_bus_rec *i2c_bus,

			  bool linkb,

			  uint32_t igp_lane_info,

			  uint16_t connector_object_id)

			  uint16_t connector_object_id,

			  struct radeon_hpd *hpd)

{

	struct radeon_device *rdev = dev->dev_private;

	struct drm_connector *connector;
@@ -1029,6 +1030,7 @@ radeon_add_atom_connector(struct drm_device *dev, 
	radeon_connector->devices = supported_device;

	radeon_connector->shared_ddc = shared_ddc;

	radeon_connector->connector_object_id = connector_object_id;

	radeon_connector->hpd = *hpd;

	switch (connector_type) {

	case DRM_MODE_CONNECTOR_VGA:

		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
@@ -1186,7 +1188,8 @@ radeon_add_legacy_connector(struct drm_device *dev, 
			    uint32_t supported_device,

			    int connector_type,

			    struct radeon_i2c_bus_rec *i2c_bus,

			    uint16_t connector_object_id)

			    uint16_t connector_object_id,

			    struct radeon_hpd *hpd)

{

	struct radeon_device *rdev = dev->dev_private;

	struct drm_connector *connector;
@@ -1216,6 +1219,7 @@ radeon_add_legacy_connector(struct drm_device *dev, 
	radeon_connector->connector_id = connector_id;

	radeon_connector->devices = supported_device;

	radeon_connector->connector_object_id = connector_object_id;

	radeon_connector->hpd = *hpd;

	switch (connector_type) {

	case DRM_MODE_CONNECTOR_VGA:

		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);