[Intel-gfx] [PATCH 1/4] drm/i915: Add more dev ops for MIPI sub encoder

[Shobhit Kumar]

Also add new fields in intel_dsi to have all dphy related parameters.
These will be useful even when we go for pure generic MIPI design

Yogesh Mohan Marimuthu <yogesh.mohan.marimuthu at intel.com>
Signed-off-by: Shobhit Kumar <shobhit.kumar at intel.com>
---
 drivers/gpu/drm/i915/intel_dsi.c |    9 ++++++++-
 drivers/gpu/drm/i915/intel_dsi.h |   29 +++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 9a2fdd2..34e19b7 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -147,6 +147,9 @@ static void intel_dsi_enable(struct intel_encoder *encoder)
 
 	DRM_DEBUG_KMS("\n");
 
+	if (intel_dsi->dev.dev_ops->panel_reset)
+		intel_dsi->dev.dev_ops->panel_reset(&intel_dsi->dev);
+
 	temp = I915_READ(MIPI_DEVICE_READY(pipe));
 	if ((temp & DEVICE_READY) == 0) {
 		temp &= ~ULPS_STATE_MASK;
@@ -162,6 +165,9 @@ static void intel_dsi_enable(struct intel_encoder *encoder)
 		I915_WRITE(MIPI_DEVICE_READY(pipe), temp);
 	}
 
+	if (intel_dsi->dev.dev_ops->send_otp_cmds)
+		intel_dsi->dev.dev_ops->send_otp_cmds(&intel_dsi->dev);
+
 	if (is_cmd_mode(intel_dsi))
 		I915_WRITE(MIPI_MAX_RETURN_PKT_SIZE(pipe), 8 * 4);
 
@@ -176,7 +182,8 @@ static void intel_dsi_enable(struct intel_encoder *encoder)
 		POSTING_READ(MIPI_PORT_CTRL(pipe));
 	}
 
-	intel_dsi->dev.dev_ops->enable(&intel_dsi->dev);
+	if (intel_dsi->dev.dev_ops->enable)
+		intel_dsi->dev.dev_ops->enable(&intel_dsi->dev);
 }
 
 static void intel_dsi_disable(struct intel_encoder *encoder)
diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h
index c7765f3..b71c9b3 100644
--- a/drivers/gpu/drm/i915/intel_dsi.h
+++ b/drivers/gpu/drm/i915/intel_dsi.h
@@ -39,6 +39,13 @@ struct intel_dsi_device {
 struct intel_dsi_dev_ops {
 	bool (*init)(struct intel_dsi_device *dsi);
 
+	void (*panel_reset)(struct intel_dsi_device *dsi);
+
+	void (*disable_panel_power)(struct intel_dsi_device *dsi);
+
+	/* send one time programmable commands */
+	void (*send_otp_cmds)(struct intel_dsi_device *dsi);
+
 	/* This callback must be able to assume DSI commands can be sent */
 	void (*enable)(struct intel_dsi_device *dsi);
 
@@ -89,6 +96,28 @@ struct intel_dsi {
 
 	/* eot for MIPI_EOT_DISABLE register */
 	u32 eot_disable;
+
+	u16 dsi_clock_freq;
+	u8 video_mode_type;
+	u32 data_width;
+	u8 dither;
+	u32 port_bits;
+	u8 escape_clk_div;
+	u32 lp_rx_timeout;
+	u8 turn_arnd_val;
+	u16 init_count;
+	u16 rst_timer_val;
+	u16 hs_to_lp_count;
+	u16 lp_byte_clk;
+	u32 bw_timer;
+	u16 clk_lp_to_hs_count;
+	u16 clk_hs_to_lp_count;
+	u32 video_frmt_cfg_bits;
+	u32 dphy_reg;
+
+	u8 backlight_off_delay; /*in ms*/
+	bool send_shutdown;
+	u8 shutdown_pkt_delay; /*in ms*/
 };
 
 static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder)
-- 
1.7.9.5