linux/drivers/gpu/drm/tilcdc/tilcdc_drv.h
Daniel Vetter fcd70cd36b drm: Split out drm_probe_helper.h
Having the probe helper stuff (which pretty much everyone needs) in
the drm_crtc_helper.h file (which atomic drivers should never need) is
confusing. Split them out.

To make sure I actually achieved the goal here I went through all
drivers. And indeed, all atomic drivers are now free of
drm_crtc_helper.h includes.

v2: Make it compile. There was so much compile fail on arm drivers
that I figured I'll better not include any of the acks on v1.

v3: Massive rebase because i915 has lost a lot of drmP.h includes, but
not all: Through drm_crtc_helper.h > drm_modeset_helper.h -> drmP.h
there was still one, which this patch largely removes. Which means
rolling out lots more includes all over.

This will also conflict with ongoing drmP.h cleanup by others I
expect.

v3: Rebase on top of atomic bochs.

v4: Review from Laurent for bridge/rcar/omap/shmob/core bits:
- (re)move some of the added includes, use the better include files in
  other places (all suggested from Laurent adopted unchanged).
- sort alphabetically

v5: Actually try to sort them, and while at it, sort all the ones I
touch.

v6: Rebase onto i915 changes.

v7: Rebase once more.

Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Acked-by: CK Hu <ck.hu@mediatek.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: virtualization@lists.linux-foundation.org
Cc: etnaviv@lists.freedesktop.org
Cc: linux-samsung-soc@vger.kernel.org
Cc: intel-gfx@lists.freedesktop.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-amlogic@lists.infradead.org
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Cc: nouveau@lists.freedesktop.org
Cc: spice-devel@lists.freedesktop.org
Cc: amd-gfx@lists.freedesktop.org
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-rockchip@lists.infradead.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-tegra@vger.kernel.org
Cc: xen-devel@lists.xen.org
Link: https://patchwork.freedesktop.org/patch/msgid/20190117210334.13234-1-daniel.vetter@ffwll.ch
2019-01-24 13:20:42 +01:00

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5.1 KiB
C

/*
* Copyright (C) 2012 Texas Instruments
* Author: Rob Clark <robdclark@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __TILCDC_DRV_H__
#define __TILCDC_DRV_H__
#include <linux/clk.h>
#include <linux/cpufreq.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/list.h>
#include <drm/drmP.h>
#include <drm/drm_bridge.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_gem_cma_helper.h>
/* Defaulting to pixel clock defined on AM335x */
#define TILCDC_DEFAULT_MAX_PIXELCLOCK 126000
/* Defaulting to max width as defined on AM335x */
#define TILCDC_DEFAULT_MAX_WIDTH 2048
/*
* This may need some tweaking, but want to allow at least 1280x1024@60
* with optimized DDR & EMIF settings tweaked 1920x1080@24 appears to
* be supportable
*/
#define TILCDC_DEFAULT_MAX_BANDWIDTH (1280*1024*60)
struct tilcdc_drm_private {
void __iomem *mmio;
struct clk *clk; /* functional clock */
int rev; /* IP revision */
/* don't attempt resolutions w/ higher W * H * Hz: */
uint32_t max_bandwidth;
/*
* Pixel Clock will be restricted to some value as
* defined in the device datasheet measured in KHz
*/
uint32_t max_pixelclock;
/*
* Max allowable width is limited on a per device basis
* measured in pixels
*/
uint32_t max_width;
/* Supported pixel formats */
const uint32_t *pixelformats;
uint32_t num_pixelformats;
#ifdef CONFIG_CPU_FREQ
struct notifier_block freq_transition;
#endif
struct workqueue_struct *wq;
struct drm_crtc *crtc;
unsigned int num_encoders;
struct drm_encoder *encoders[8];
unsigned int num_connectors;
struct drm_connector *connectors[8];
struct drm_encoder *external_encoder;
struct drm_connector *external_connector;
const struct drm_connector_helper_funcs *connector_funcs;
bool is_registered;
bool is_componentized;
};
/* Sub-module for display. Since we don't know at compile time what panels
* or display adapter(s) might be present (for ex, off chip dvi/tfp410,
* hdmi encoder, various lcd panels), the connector/encoder(s) are split into
* separate drivers. If they are probed and found to be present, they
* register themselves with tilcdc_register_module().
*/
struct tilcdc_module;
struct tilcdc_module_ops {
/* create appropriate encoders/connectors: */
int (*modeset_init)(struct tilcdc_module *mod, struct drm_device *dev);
#ifdef CONFIG_DEBUG_FS
/* create debugfs nodes (can be NULL): */
int (*debugfs_init)(struct tilcdc_module *mod, struct drm_minor *minor);
#endif
};
struct tilcdc_module {
const char *name;
struct list_head list;
const struct tilcdc_module_ops *funcs;
};
void tilcdc_module_init(struct tilcdc_module *mod, const char *name,
const struct tilcdc_module_ops *funcs);
void tilcdc_module_cleanup(struct tilcdc_module *mod);
/* Panel config that needs to be set in the crtc, but is not coming from
* the mode timings. The display module is expected to call
* tilcdc_crtc_set_panel_info() to set this during modeset.
*/
struct tilcdc_panel_info {
/* AC Bias Pin Frequency */
uint32_t ac_bias;
/* AC Bias Pin Transitions per Interrupt */
uint32_t ac_bias_intrpt;
/* DMA burst size */
uint32_t dma_burst_sz;
/* Bits per pixel */
uint32_t bpp;
/* FIFO DMA Request Delay */
uint32_t fdd;
/* TFT Alternative Signal Mapping (Only for active) */
bool tft_alt_mode;
/* Invert pixel clock */
bool invert_pxl_clk;
/* Horizontal and Vertical Sync Edge: 0=rising 1=falling */
uint32_t sync_edge;
/* Horizontal and Vertical Sync: Control: 0=ignore */
uint32_t sync_ctrl;
/* Raster Data Order Select: 1=Most-to-least 0=Least-to-most */
uint32_t raster_order;
/* DMA FIFO threshold */
uint32_t fifo_th;
};
#define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
int tilcdc_crtc_create(struct drm_device *dev);
irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc);
void tilcdc_crtc_update_clk(struct drm_crtc *crtc);
void tilcdc_crtc_set_panel_info(struct drm_crtc *crtc,
const struct tilcdc_panel_info *info);
void tilcdc_crtc_set_simulate_vesa_sync(struct drm_crtc *crtc,
bool simulate_vesa_sync);
int tilcdc_crtc_mode_valid(struct drm_crtc *crtc, struct drm_display_mode *mode);
int tilcdc_crtc_max_width(struct drm_crtc *crtc);
void tilcdc_crtc_shutdown(struct drm_crtc *crtc);
int tilcdc_crtc_update_fb(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
struct drm_pending_vblank_event *event);
int tilcdc_plane_init(struct drm_device *dev, struct drm_plane *plane);
#endif /* __TILCDC_DRV_H__ */