Initial import

1 files changed, 130 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h
new file mode 100644
index 000000000..2784ac442
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_dsi.h
@@ -0,0 +1,130 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _INTEL_DSI_H
+#define _INTEL_DSI_H
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_mipi_dsi.h>
+#include "intel_drv.h"
+
+/* Dual Link support */
+#define DSI_DUAL_LINK_NONE		0
+#define DSI_DUAL_LINK_FRONT_BACK	1
+#define DSI_DUAL_LINK_PIXEL_ALT		2
+
+struct intel_dsi_host;
+
+struct intel_dsi {
+	struct intel_encoder base;
+
+	struct drm_panel *panel;
+	struct intel_dsi_host *dsi_hosts[I915_MAX_PORTS];
+
+	struct intel_connector *attached_connector;
+
+	/* bit mask of ports being driven */
+	u16 ports;
+
+	/* if true, use HS mode, otherwise LP */
+	bool hs;
+
+	/* virtual channel */
+	int channel;
+
+	/* Video mode or command mode */
+	u16 operation_mode;
+
+	/* number of DSI lanes */
+	unsigned int lane_count;
+
+	/* video mode pixel format for MIPI_DSI_FUNC_PRG register */
+	u32 pixel_format;
+
+	/* video mode format for MIPI_VIDEO_MODE_FORMAT register */
+	u32 video_mode_format;
+
+	/* eot for MIPI_EOT_DISABLE register */
+	u8 eotp_pkt;
+	u8 clock_stop;
+
+	u8 escape_clk_div;
+	u8 dual_link;
+	u8 pixel_overlap;
+	u32 port_bits;
+	u32 bw_timer;
+	u32 dphy_reg;
+	u32 video_frmt_cfg_bits;
+	u16 lp_byte_clk;
+
+	/* timeouts in byte clocks */
+	u16 lp_rx_timeout;
+	u16 turn_arnd_val;
+	u16 rst_timer_val;
+	u16 hs_to_lp_count;
+	u16 clk_lp_to_hs_count;
+	u16 clk_hs_to_lp_count;
+
+	u16 init_count;
+	u32 pclk;
+	u16 burst_mode_ratio;
+
+	/* all delays in ms */
+	u16 backlight_off_delay;
+	u16 backlight_on_delay;
+	u16 panel_on_delay;
+	u16 panel_off_delay;
+	u16 panel_pwr_cycle_delay;
+};
+
+struct intel_dsi_host {
+	struct mipi_dsi_host base;
+	struct intel_dsi *intel_dsi;
+	enum port port;
+
+	/* our little hack */
+	struct mipi_dsi_device *device;
+};
+
+static inline struct intel_dsi_host *to_intel_dsi_host(struct mipi_dsi_host *h)
+{
+	return container_of(h, struct intel_dsi_host, base);
+}
+
+#define for_each_dsi_port(__port, __ports_mask) \
+	for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++)	\
+		if ((__ports_mask) & (1 << (__port)))
+
+static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder)
+{
+	return container_of(encoder, struct intel_dsi, base.base);
+}
+
+extern void vlv_enable_dsi_pll(struct intel_encoder *encoder);
+extern void vlv_disable_dsi_pll(struct intel_encoder *encoder);
+extern u32 vlv_get_dsi_pclk(struct intel_encoder *encoder, int pipe_bpp);
+
+struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id);
+
+#endif /* _INTEL_DSI_H */