{
struct sdvo_device_mapping *p_mapping;
struct bdb_general_definitions *p_defs;
- struct child_device_config *p_child;
+ union child_device_config *p_child;
int i, child_device_num, count;
u16 block_size;
count = 0;
for (i = 0; i < child_device_num; i++) {
p_child = &(p_defs->devices[i]);
- if (!p_child->device_type) {
+ if (!p_child->old.device_type) {
/* skip the device block if device type is invalid */
continue;
}
- if (p_child->slave_addr != SLAVE_ADDR1 &&
- p_child->slave_addr != SLAVE_ADDR2) {
+ if (p_child->old.slave_addr != SLAVE_ADDR1 &&
+ p_child->old.slave_addr != SLAVE_ADDR2) {
/*
* If the slave address is neither 0x70 nor 0x72,
* it is not a SDVO device. Skip it.
*/
continue;
}
- if (p_child->dvo_port != DEVICE_PORT_DVOB &&
- p_child->dvo_port != DEVICE_PORT_DVOC) {
+ if (p_child->old.dvo_port != DEVICE_PORT_DVOB &&
+ p_child->old.dvo_port != DEVICE_PORT_DVOC) {
/* skip the incorrect SDVO port */
DRM_DEBUG_KMS("Incorrect SDVO port. Skip it\n");
continue;
}
DRM_DEBUG_KMS("the SDVO device with slave addr %2x is found on"
" %s port\n",
- p_child->slave_addr,
- (p_child->dvo_port == DEVICE_PORT_DVOB) ?
+ p_child->old.slave_addr,
+ (p_child->old.dvo_port == DEVICE_PORT_DVOB) ?
"SDVOB" : "SDVOC");
- p_mapping = &(dev_priv->sdvo_mappings[p_child->dvo_port - 1]);
+ p_mapping = &(dev_priv->sdvo_mappings[p_child->old.dvo_port - 1]);
if (!p_mapping->initialized) {
- p_mapping->dvo_port = p_child->dvo_port;
- p_mapping->slave_addr = p_child->slave_addr;
- p_mapping->dvo_wiring = p_child->dvo_wiring;
- p_mapping->ddc_pin = p_child->ddc_pin;
- p_mapping->i2c_pin = p_child->i2c_pin;
+ p_mapping->dvo_port = p_child->old.dvo_port;
+ p_mapping->slave_addr = p_child->old.slave_addr;
+ p_mapping->dvo_wiring = p_child->old.dvo_wiring;
+ p_mapping->ddc_pin = p_child->old.ddc_pin;
+ p_mapping->i2c_pin = p_child->old.i2c_pin;
p_mapping->initialized = 1;
DRM_DEBUG_KMS("SDVO device: dvo=%x, addr=%x, wiring=%d, ddc_pin=%d, i2c_pin=%d\n",
p_mapping->dvo_port,
DRM_DEBUG_KMS("Maybe one SDVO port is shared by "
"two SDVO device.\n");
}
- if (p_child->slave2_addr) {
+ if (p_child->old.slave2_addr) {
/* Maybe this is a SDVO device with multiple inputs */
/* And the mapping info is not added */
DRM_DEBUG_KMS("there exists the slave2_addr. Maybe this"
parse_driver_features(struct drm_i915_private *dev_priv,
struct bdb_header *bdb)
{
- struct drm_device *dev = dev_priv->dev;
struct bdb_driver_features *driver;
driver = find_section(bdb, BDB_DRIVER_FEATURES);
if (!driver)
return;
- if (SUPPORTS_EDP(dev) &&
- driver->lvds_config == BDB_DRIVER_FEATURE_EDP)
+ if (driver->lvds_config == BDB_DRIVER_FEATURE_EDP)
dev_priv->vbt.edp_support = 1;
if (driver->dual_frequency)
edp = find_section(bdb, BDB_EDP);
if (!edp) {
- if (SUPPORTS_EDP(dev_priv->dev) && dev_priv->vbt.edp_support)
+ if (dev_priv->vbt.edp_support)
DRM_DEBUG_KMS("No eDP BDB found but eDP panel supported.\n");
return;
}
}
}
+static void
+parse_mipi(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
+{
+ struct bdb_mipi *mipi;
+
+ mipi = find_section(bdb, BDB_MIPI);
+ if (!mipi) {
+ DRM_DEBUG_KMS("No MIPI BDB found");
+ return;
+ }
+
+ /* XXX: add more info */
+ dev_priv->vbt.dsi.panel_id = mipi->panel_id;
+}
+
+static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
+ struct bdb_header *bdb)
+{
+ union child_device_config *it, *child = NULL;
+ struct ddi_vbt_port_info *info = &dev_priv->vbt.ddi_port_info[port];
+ uint8_t hdmi_level_shift;
+ int i, j;
+ bool is_dvi, is_hdmi, is_dp, is_edp, is_crt;
+ uint8_t aux_channel;
+ /* Each DDI port can have more than one value on the "DVO Port" field,
+ * so look for all the possible values for each port and abort if more
+ * than one is found. */
+ int dvo_ports[][2] = {
+ {DVO_PORT_HDMIA, DVO_PORT_DPA},
+ {DVO_PORT_HDMIB, DVO_PORT_DPB},
+ {DVO_PORT_HDMIC, DVO_PORT_DPC},
+ {DVO_PORT_HDMID, DVO_PORT_DPD},
+ {DVO_PORT_CRT, -1 /* Port E can only be DVO_PORT_CRT */ },
+ };
+
+ /* Find the child device to use, abort if more than one found. */
+ for (i = 0; i < dev_priv->vbt.child_dev_num; i++) {
+ it = dev_priv->vbt.child_dev + i;
+
+ for (j = 0; j < 2; j++) {
+ if (dvo_ports[port][j] == -1)
+ break;
+
+ if (it->common.dvo_port == dvo_ports[port][j]) {
+ if (child) {
+ DRM_DEBUG_KMS("More than one child device for port %c in VBT.\n",
+ port_name(port));
+ return;
+ }
+ child = it;
+ }
+ }
+ }
+ if (!child)
+ return;
+
+ aux_channel = child->raw[25];
+
+ is_dvi = child->common.device_type & DEVICE_TYPE_TMDS_DVI_SIGNALING;
+ is_dp = child->common.device_type & DEVICE_TYPE_DISPLAYPORT_OUTPUT;
+ is_crt = child->common.device_type & DEVICE_TYPE_ANALOG_OUTPUT;
+ is_hdmi = is_dvi && (child->common.device_type & DEVICE_TYPE_NOT_HDMI_OUTPUT) == 0;
+ is_edp = is_dp && (child->common.device_type & DEVICE_TYPE_INTERNAL_CONNECTOR);
+
+ info->supports_dvi = is_dvi;
+ info->supports_hdmi = is_hdmi;
+ info->supports_dp = is_dp;
+
+ DRM_DEBUG_KMS("Port %c VBT info: DP:%d HDMI:%d DVI:%d EDP:%d CRT:%d\n",
+ port_name(port), is_dp, is_hdmi, is_dvi, is_edp, is_crt);
+
+ if (is_edp && is_dvi)
+ DRM_DEBUG_KMS("Internal DP port %c is TMDS compatible\n",
+ port_name(port));
+ if (is_crt && port != PORT_E)
+ DRM_DEBUG_KMS("Port %c is analog\n", port_name(port));
+ if (is_crt && (is_dvi || is_dp))
+ DRM_DEBUG_KMS("Analog port %c is also DP or TMDS compatible\n",
+ port_name(port));
+ if (is_dvi && (port == PORT_A || port == PORT_E))
+ DRM_DEBUG_KMS("Port %c is TMDS compabile\n", port_name(port));
+ if (!is_dvi && !is_dp && !is_crt)
+ DRM_DEBUG_KMS("Port %c is not DP/TMDS/CRT compatible\n",
+ port_name(port));
+ if (is_edp && (port == PORT_B || port == PORT_C || port == PORT_E))
+ DRM_DEBUG_KMS("Port %c is internal DP\n", port_name(port));
+
+ if (is_dvi) {
+ if (child->common.ddc_pin == 0x05 && port != PORT_B)
+ DRM_DEBUG_KMS("Unexpected DDC pin for port B\n");
+ if (child->common.ddc_pin == 0x04 && port != PORT_C)
+ DRM_DEBUG_KMS("Unexpected DDC pin for port C\n");
+ if (child->common.ddc_pin == 0x06 && port != PORT_D)
+ DRM_DEBUG_KMS("Unexpected DDC pin for port D\n");
+ }
+
+ if (is_dp) {
+ if (aux_channel == 0x40 && port != PORT_A)
+ DRM_DEBUG_KMS("Unexpected AUX channel for port A\n");
+ if (aux_channel == 0x10 && port != PORT_B)
+ DRM_DEBUG_KMS("Unexpected AUX channel for port B\n");
+ if (aux_channel == 0x20 && port != PORT_C)
+ DRM_DEBUG_KMS("Unexpected AUX channel for port C\n");
+ if (aux_channel == 0x30 && port != PORT_D)
+ DRM_DEBUG_KMS("Unexpected AUX channel for port D\n");
+ }
+
+ if (bdb->version >= 158) {
+ /* The VBT HDMI level shift values match the table we have. */
+ hdmi_level_shift = child->raw[7] & 0xF;
+ if (hdmi_level_shift < 0xC) {
+ DRM_DEBUG_KMS("VBT HDMI level shift for port %c: %d\n",
+ port_name(port),
+ hdmi_level_shift);
+ info->hdmi_level_shift = hdmi_level_shift;
+ }
+ }
+}
+
+static void parse_ddi_ports(struct drm_i915_private *dev_priv,
+ struct bdb_header *bdb)
+{
+ struct drm_device *dev = dev_priv->dev;
+ enum port port;
+
+ if (!HAS_DDI(dev))
+ return;
+
+ if (!dev_priv->vbt.child_dev_num)
+ return;
+
+ if (bdb->version < 155)
+ return;
+
+ for (port = PORT_A; port < I915_MAX_PORTS; port++)
+ parse_ddi_port(dev_priv, port, bdb);
+}
+
static void
parse_device_mapping(struct drm_i915_private *dev_priv,
struct bdb_header *bdb)
{
struct bdb_general_definitions *p_defs;
- struct child_device_config *p_child, *child_dev_ptr;
+ union child_device_config *p_child, *child_dev_ptr;
int i, child_device_num, count;
u16 block_size;
/* get the number of child device that is present */
for (i = 0; i < child_device_num; i++) {
p_child = &(p_defs->devices[i]);
- if (!p_child->device_type) {
+ if (!p_child->common.device_type) {
/* skip the device block if device type is invalid */
continue;
}
count = 0;
for (i = 0; i < child_device_num; i++) {
p_child = &(p_defs->devices[i]);
- if (!p_child->device_type) {
+ if (!p_child->common.device_type) {
/* skip the device block if device type is invalid */
continue;
}
init_vbt_defaults(struct drm_i915_private *dev_priv)
{
struct drm_device *dev = dev_priv->dev;
+ enum port port;
dev_priv->vbt.crt_ddc_pin = GMBUS_PORT_VGADDC;
dev_priv->vbt.lvds_use_ssc = 1;
dev_priv->vbt.lvds_ssc_freq = intel_bios_ssc_frequency(dev, 1);
DRM_DEBUG_KMS("Set default to SSC at %dMHz\n", dev_priv->vbt.lvds_ssc_freq);
+
+ for (port = PORT_A; port < I915_MAX_PORTS; port++) {
+ struct ddi_vbt_port_info *info =
+ &dev_priv->vbt.ddi_port_info[port];
+
+ /* Recommended BSpec default: 800mV 0dB. */
+ info->hdmi_level_shift = 6;
+
+ info->supports_dvi = (port != PORT_A && port != PORT_E);
+ info->supports_hdmi = info->supports_dvi;
+ info->supports_dp = (port != PORT_E);
+ }
}
static int __init intel_no_opregion_vbt_callback(const struct dmi_system_id *id)
parse_device_mapping(dev_priv, bdb);
parse_driver_features(dev_priv, bdb);
parse_edp(dev_priv, bdb);
+ parse_mipi(dev_priv, bdb);
+ parse_ddi_ports(dev_priv, bdb);
if (bios)
pci_unmap_rom(pdev, bios);
projects / cascardo / linux.git / blobdiff