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[2/7] drm/i915: Add lspcon data structures

Message ID 1458656708-31228-3-git-send-email-shashank.sharma@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sharma, Shashank March 22, 2016, 2:25 p.m. UTC 
This patch adds lspcon structure in intel_dig_port.
These strucres will be used to check runtime status
of LSPCON device.

Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Akashdeep Sharma <akashdeep.sharma@intel.com>
---
 drivers/gpu/drm/i915/intel_drv.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 5136eef..f3e7e52 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -855,12 +855,28 @@  struct intel_dp {
 	bool compliance_test_active;
 };
 
+/* LSPCON possibe modes of operation */
+enum lspcon_mode {
+	/* Invalid */
+	lspcon_mode_invalid,
+	/* level shifter mode */
+	lspcon_mode_ls,
+	/* protocol converter mode */
+	lspcon_mode_pcon,
+};
+
+struct intel_lspcon {
+	bool active;
+	enum lspcon_mode mode_of_op;
+};
+
 struct intel_digital_port {
 	struct intel_encoder base;
 	enum port port;
 	u32 saved_port_bits;
 	struct intel_dp dp;
 	struct intel_hdmi hdmi;
+	struct intel_lspcon lspcon;
 	enum irqreturn (*hpd_pulse)(struct intel_digital_port *, bool);
 	bool release_cl2_override;
 	uint8_t max_lanes;