forked from Minki/linux
8f4d2683b0
This patch is in preparation of DSI dual link panels. For dual link
panels, few packets needs to be sent to Port A or Port C or both. Based
on the portno from MIPI Sequence Block#53, these sequences needs to be
sent accordingly.
v2: Addressed review comments by Jani
- port variables named properly
Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
118 lines
3.9 KiB
C
118 lines
3.9 KiB
C
/*
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* Copyright © 2013 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Author: Jani Nikula <jani.nikula@intel.com>
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*/
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#ifndef _INTEL_DSI_DSI_H
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#define _INTEL_DSI_DSI_H
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#include <drm/drmP.h>
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#include <drm/drm_crtc.h>
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#include <video/mipi_display.h>
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#include "i915_drv.h"
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#include "intel_drv.h"
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#include "intel_dsi.h"
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#define DPI_LP_MODE_EN false
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#define DPI_HS_MODE_EN true
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void dsi_hs_mode_enable(struct intel_dsi *intel_dsi, bool enable,
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enum port port);
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int dsi_vc_dcs_write(struct intel_dsi *intel_dsi, int channel,
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const u8 *data, int len, enum port port);
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int dsi_vc_generic_write(struct intel_dsi *intel_dsi, int channel,
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const u8 *data, int len, enum port port);
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int dsi_vc_dcs_read(struct intel_dsi *intel_dsi, int channel, u8 dcs_cmd,
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u8 *buf, int buflen, enum port port);
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int dsi_vc_generic_read(struct intel_dsi *intel_dsi, int channel,
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u8 *reqdata, int reqlen, u8 *buf, int buflen, enum port port);
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int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd, bool hs);
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void wait_for_dsi_fifo_empty(struct intel_dsi *intel_dsi);
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/* XXX: questionable write helpers */
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static inline int dsi_vc_dcs_write_0(struct intel_dsi *intel_dsi,
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int channel, u8 dcs_cmd, enum port port)
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{
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return dsi_vc_dcs_write(intel_dsi, channel, &dcs_cmd, 1, port);
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}
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static inline int dsi_vc_dcs_write_1(struct intel_dsi *intel_dsi,
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int channel, u8 dcs_cmd, u8 param, enum port port)
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{
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u8 buf[2] = { dcs_cmd, param };
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return dsi_vc_dcs_write(intel_dsi, channel, buf, 2, port);
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}
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static inline int dsi_vc_generic_write_0(struct intel_dsi *intel_dsi,
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int channel, enum port port)
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{
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return dsi_vc_generic_write(intel_dsi, channel, NULL, 0, port);
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}
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static inline int dsi_vc_generic_write_1(struct intel_dsi *intel_dsi,
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int channel, u8 param, enum port port)
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{
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return dsi_vc_generic_write(intel_dsi, channel, ¶m, 1, port);
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}
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static inline int dsi_vc_generic_write_2(struct intel_dsi *intel_dsi,
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int channel, u8 param1, u8 param2, enum port port)
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{
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u8 buf[2] = { param1, param2 };
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return dsi_vc_generic_write(intel_dsi, channel, buf, 2, port);
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}
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/* XXX: questionable read helpers */
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static inline int dsi_vc_generic_read_0(struct intel_dsi *intel_dsi,
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int channel, u8 *buf, int buflen, enum port port)
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{
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return dsi_vc_generic_read(intel_dsi, channel, NULL, 0, buf, buflen,
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port);
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}
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static inline int dsi_vc_generic_read_1(struct intel_dsi *intel_dsi,
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int channel, u8 param, u8 *buf,
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int buflen, enum port port)
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{
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return dsi_vc_generic_read(intel_dsi, channel, ¶m, 1, buf, buflen,
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port);
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}
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static inline int dsi_vc_generic_read_2(struct intel_dsi *intel_dsi,
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int channel, u8 param1, u8 param2,
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u8 *buf, int buflen, enum port port)
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{
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u8 req[2] = { param1, param2 };
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return dsi_vc_generic_read(intel_dsi, channel, req, 2, buf, buflen,
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port);
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}
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#endif /* _INTEL_DSI_DSI_H */
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