Commit 69c05eb2 authored by Jani Nikula's avatar Jani Nikula Committed by Daniel Vetter

drm/i915: add MIPI DSI command sending routines

v2: Rebase due to register bit definition change.

v3: Mostly based on Ville's review comments.
 - Use size_t for length all around.
 - Reuse dsi_vc_send_short in dsi_vc_send_long.
 - Remove stale/incorrect comments.
 - Reverse special packet sent interrupt check.
 - Use DSI controller regs for reading, not adapter.
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent f5e11b06
...@@ -21,6 +21,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o \ ...@@ -21,6 +21,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o \
intel_display.o \ intel_display.o \
intel_crt.o \ intel_crt.o \
intel_lvds.o \ intel_lvds.o \
intel_dsi_cmd.o \
intel_bios.o \ intel_bios.o \
intel_ddi.o \ intel_ddi.o \
intel_dp.o \ intel_dp.o \
......
This diff is collapsed.
/*
* 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"
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, size_t len);
int dsi_vc_generic_write(struct intel_dsi *intel_dsi, int channel,
const u8 *data, size_t len);
int dsi_vc_dcs_read(struct intel_dsi *intel_dsi, int channel, u8 dcs_cmd,
u8 *buf, size_t buflen);
int dsi_vc_generic_read(struct intel_dsi *intel_dsi, int channel,
u8 *reqdata, size_t reqlen, u8 *buf, size_t buflen);
int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd);
/* 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, &param, 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, size_t 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,
size_t buflen)
{
return dsi_vc_generic_read(intel_dsi, channel, &param, 1, buf, buflen);
}
static inline int dsi_vc_generic_read_2(struct intel_dsi *intel_dsi,
int channel, u8 param1, u8 param2,
u8 *buf, size_t 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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