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/*
* 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.
*
* Author: Jani Nikula <jani.nikula@intel.com>
*/
#ifndef _INTEL_DSI_DSI_H
#define _INTEL_DSI_DSI_H
#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include <video/mipi_display.h>
#include "i915_drv.h"
#include "intel_drv.h"
#include "intel_dsi.h"
#define DPI_LP_MODE_EN false
#define DPI_HS_MODE_EN true
void dsi_hs_mode_enable(struct intel_dsi *intel_dsi, bool enable);
int dsi_vc_dcs_write(struct intel_dsi *intel_dsi, int channel,
const u8 *data, int len);
int dsi_vc_generic_write(struct intel_dsi *intel_dsi, int channel,
const u8 *data, int len);
int dsi_vc_dcs_read(struct intel_dsi *intel_dsi, int channel, u8 dcs_cmd,
u8 *buf, int buflen);
int dsi_vc_generic_read(struct intel_dsi *intel_dsi, int channel,
u8 *reqdata, int reqlen, u8 *buf, int buflen);
int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd, bool hs);
void wait_for_dsi_fifo_empty(struct intel_dsi *intel_dsi);
/* XXX: questionable write helpers */
static inline int dsi_vc_dcs_write_0(struct intel_dsi *intel_dsi,
int channel, u8 dcs_cmd)
{
return dsi_vc_dcs_write(intel_dsi, channel, &dcs_cmd, 1);
}
static inline int dsi_vc_dcs_write_1(struct intel_dsi *intel_dsi,
int channel, u8 dcs_cmd, u8 param)
{
u8 buf[2] = { dcs_cmd, param };
return dsi_vc_dcs_write(intel_dsi, channel, buf, 2);
}
static inline int dsi_vc_generic_write_0(struct intel_dsi *intel_dsi,
int channel)
{
return dsi_vc_generic_write(intel_dsi, channel, NULL, 0);
}
static inline int dsi_vc_generic_write_1(struct intel_dsi *intel_dsi,
int channel, u8 param)
{
return dsi_vc_generic_write(intel_dsi, channel, ¶m, 1);
}
static inline int dsi_vc_generic_write_2(struct intel_dsi *intel_dsi,
int channel, u8 param1, u8 param2)
{
u8 buf[2] = { param1, param2 };
return dsi_vc_generic_write(intel_dsi, channel, buf, 2);
}
/* XXX: questionable read helpers */
static inline int dsi_vc_generic_read_0(struct intel_dsi *intel_dsi,
int channel, u8 *buf, int buflen)
{
return dsi_vc_generic_read(intel_dsi, channel, NULL, 0, buf, buflen);
}
static inline int dsi_vc_generic_read_1(struct intel_dsi *intel_dsi,
int channel, u8 param, u8 *buf,
int buflen)
{
return dsi_vc_generic_read(intel_dsi, channel, ¶m, 1, buf, buflen);
}
static inline int dsi_vc_generic_read_2(struct intel_dsi *intel_dsi,
int channel, u8 param1, u8 param2,
u8 *buf, int buflen)
{
u8 req[2] = { param1, param2 };
return dsi_vc_generic_read(intel_dsi, channel, req, 2, buf, buflen);
}
#endif /* _INTEL_DSI_DSI_H */
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