diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/Makefile | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 92 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_crtc.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_drv.c | 46 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_drv.h | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_group.c | 127 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_group.h | 47 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_kms.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_plane.c | 155 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_plane.h | 8 |
10 files changed, 299 insertions, 203 deletions
diff --git a/drivers/gpu/drm/rcar-du/Makefile b/drivers/gpu/drm/rcar-du/Makefile index 57b0fe1fa66e..b9b5e666fbba 100644 --- a/drivers/gpu/drm/rcar-du/Makefile +++ b/drivers/gpu/drm/rcar-du/Makefile @@ -1,6 +1,7 @@ rcar-du-drm-y := rcar_du_crtc.o \ rcar_du_drv.o \ rcar_du_encoder.o \ + rcar_du_group.o \ rcar_du_kms.o \ rcar_du_lvdscon.o \ rcar_du_plane.o \ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 03dd7018dde8..7784a3ba7854 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -30,21 +30,21 @@ static u32 rcar_du_crtc_read(struct rcar_du_crtc *rcrtc, u32 reg) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; + struct rcar_du_device *rcdu = rcrtc->group->dev; return rcar_du_read(rcdu, rcrtc->mmio_offset + reg); } static void rcar_du_crtc_write(struct rcar_du_crtc *rcrtc, u32 reg, u32 data) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; + struct rcar_du_device *rcdu = rcrtc->group->dev; rcar_du_write(rcdu, rcrtc->mmio_offset + reg, data); } static void rcar_du_crtc_clr(struct rcar_du_crtc *rcrtc, u32 reg, u32 clr) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; + struct rcar_du_device *rcdu = rcrtc->group->dev; rcar_du_write(rcdu, rcrtc->mmio_offset + reg, rcar_du_read(rcdu, rcrtc->mmio_offset + reg) & ~clr); @@ -52,7 +52,7 @@ static void rcar_du_crtc_clr(struct rcar_du_crtc *rcrtc, u32 reg, u32 clr) static void rcar_du_crtc_set(struct rcar_du_crtc *rcrtc, u32 reg, u32 set) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; + struct rcar_du_device *rcdu = rcrtc->group->dev; rcar_du_write(rcdu, rcrtc->mmio_offset + reg, rcar_du_read(rcdu, rcrtc->mmio_offset + reg) | set); @@ -61,7 +61,7 @@ static void rcar_du_crtc_set(struct rcar_du_crtc *rcrtc, u32 reg, u32 set) static void rcar_du_crtc_clr_set(struct rcar_du_crtc *rcrtc, u32 reg, u32 clr, u32 set) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; + struct rcar_du_device *rcdu = rcrtc->group->dev; u32 value = rcar_du_read(rcdu, rcrtc->mmio_offset + reg); rcar_du_write(rcdu, rcrtc->mmio_offset + reg, (value & ~clr) | set); @@ -69,14 +69,13 @@ static void rcar_du_crtc_clr_set(struct rcar_du_crtc *rcrtc, u32 reg, static int rcar_du_crtc_get(struct rcar_du_crtc *rcrtc) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; int ret; ret = clk_prepare_enable(rcrtc->clock); if (ret < 0) return ret; - ret = rcar_du_get(rcdu); + ret = rcar_du_group_get(rcrtc->group); if (ret < 0) clk_disable_unprepare(rcrtc->clock); @@ -85,17 +84,14 @@ static int rcar_du_crtc_get(struct rcar_du_crtc *rcrtc) static void rcar_du_crtc_put(struct rcar_du_crtc *rcrtc) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; - - rcar_du_put(rcdu); + rcar_du_group_put(rcrtc->group); clk_disable_unprepare(rcrtc->clock); } static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc) { - struct drm_crtc *crtc = &rcrtc->crtc; - struct rcar_du_device *rcdu = crtc->dev->dev_private; - const struct drm_display_mode *mode = &crtc->mode; + const struct drm_display_mode *mode = &rcrtc->crtc.mode; + struct rcar_du_device *rcdu = rcrtc->group->dev; unsigned long clk; u32 value; u32 div; @@ -136,7 +132,7 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc) static void rcar_du_crtc_set_routing(struct rcar_du_crtc *rcrtc) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; + struct rcar_du_device *rcdu = rcrtc->group->dev; u32 dorcr = rcar_du_read(rcdu, DORCR); dorcr &= ~(DORCR_PG2T | DORCR_DK2S | DORCR_PG2D_MASK); @@ -153,36 +149,6 @@ static void rcar_du_crtc_set_routing(struct rcar_du_crtc *rcrtc) rcar_du_write(rcdu, DORCR, dorcr); } -static void __rcar_du_start_stop(struct rcar_du_device *rcdu, bool start) -{ - rcar_du_write(rcdu, DSYSR, - (rcar_du_read(rcdu, DSYSR) & ~(DSYSR_DRES | DSYSR_DEN)) | - (start ? DSYSR_DEN : DSYSR_DRES)); -} - -static void rcar_du_start_stop(struct rcar_du_device *rcdu, bool start) -{ - /* Many of the configuration bits are only updated when the display - * reset (DRES) bit in DSYSR is set to 1, disabling *both* CRTCs. Some - * of those bits could be pre-configured, but others (especially the - * bits related to plane assignment to display timing controllers) need - * to be modified at runtime. - * - * Restart the display controller if a start is requested. Sorry for the - * flicker. It should be possible to move most of the "DRES-update" bits - * setup to driver initialization time and minimize the number of cases - * when the display controller will have to be restarted. - */ - if (start) { - if (rcdu->used_crtcs++ != 0) - __rcar_du_start_stop(rcdu, false); - __rcar_du_start_stop(rcdu, true); - } else { - if (--rcdu->used_crtcs == 0) - __rcar_du_start_stop(rcdu, false); - } -} - void rcar_du_crtc_route_output(struct drm_crtc *crtc, unsigned int output) { struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); @@ -195,8 +161,8 @@ void rcar_du_crtc_route_output(struct drm_crtc *crtc, unsigned int output) void rcar_du_crtc_update_planes(struct drm_crtc *crtc) { - struct rcar_du_device *rcdu = crtc->dev->dev_private; struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); + struct rcar_du_device *rcdu = rcrtc->group->dev; struct rcar_du_plane *planes[RCAR_DU_NUM_HW_PLANES]; unsigned int num_planes = 0; unsigned int prio = 0; @@ -204,8 +170,8 @@ void rcar_du_crtc_update_planes(struct drm_crtc *crtc) u32 dptsr = 0; u32 dspr = 0; - for (i = 0; i < ARRAY_SIZE(rcdu->planes.planes); ++i) { - struct rcar_du_plane *plane = &rcdu->planes.planes[i]; + for (i = 0; i < ARRAY_SIZE(rcrtc->group->planes.planes); ++i) { + struct rcar_du_plane *plane = &rcrtc->group->planes.planes[i]; unsigned int j; if (plane->crtc != &rcrtc->crtc || !plane->enabled) @@ -254,10 +220,8 @@ void rcar_du_crtc_update_planes(struct drm_crtc *crtc) */ if (value != dptsr) { rcar_du_write(rcdu, DPTSR, dptsr); - if (rcdu->used_crtcs) { - __rcar_du_start_stop(rcdu, false); - __rcar_du_start_stop(rcdu, true); - } + if (rcrtc->group->used_crtcs) + rcar_du_group_restart(rcrtc->group); } } @@ -267,7 +231,6 @@ void rcar_du_crtc_update_planes(struct drm_crtc *crtc) static void rcar_du_crtc_start(struct rcar_du_crtc *rcrtc) { struct drm_crtc *crtc = &rcrtc->crtc; - struct rcar_du_device *rcdu = crtc->dev->dev_private; unsigned int i; if (rcrtc->started) @@ -284,14 +247,14 @@ static void rcar_du_crtc_start(struct rcar_du_crtc *rcrtc) rcar_du_crtc_set_display_timing(rcrtc); rcar_du_crtc_set_routing(rcrtc); - mutex_lock(&rcdu->planes.lock); + mutex_lock(&rcrtc->group->planes.lock); rcrtc->plane->enabled = true; rcar_du_crtc_update_planes(crtc); - mutex_unlock(&rcdu->planes.lock); + mutex_unlock(&rcrtc->group->planes.lock); /* Setup planes. */ - for (i = 0; i < ARRAY_SIZE(rcdu->planes.planes); ++i) { - struct rcar_du_plane *plane = &rcdu->planes.planes[i]; + for (i = 0; i < ARRAY_SIZE(rcrtc->group->planes.planes); ++i) { + struct rcar_du_plane *plane = &rcrtc->group->planes.planes[i]; if (plane->crtc != crtc || !plane->enabled) continue; @@ -305,7 +268,7 @@ static void rcar_du_crtc_start(struct rcar_du_crtc *rcrtc) */ rcar_du_crtc_clr_set(rcrtc, DSYSR, DSYSR_TVM_MASK, DSYSR_TVM_MASTER); - rcar_du_start_stop(rcdu, true); + rcar_du_group_start_stop(rcrtc->group, true); rcrtc->started = true; } @@ -313,22 +276,21 @@ static void rcar_du_crtc_start(struct rcar_du_crtc *rcrtc) static void rcar_du_crtc_stop(struct rcar_du_crtc *rcrtc) { struct drm_crtc *crtc = &rcrtc->crtc; - struct rcar_du_device *rcdu = crtc->dev->dev_private; if (!rcrtc->started) return; - mutex_lock(&rcdu->planes.lock); + mutex_lock(&rcrtc->group->planes.lock); rcrtc->plane->enabled = false; rcar_du_crtc_update_planes(crtc); - mutex_unlock(&rcdu->planes.lock); + mutex_unlock(&rcrtc->group->planes.lock); /* Select switch sync mode. This stops display operation and configures * the HSYNC and VSYNC signals as inputs. */ rcar_du_crtc_clr_set(rcrtc, DSYSR, DSYSR_TVM_MASK, DSYSR_TVM_SWITCH); - rcar_du_start_stop(rcdu, false); + rcar_du_group_start_stop(rcrtc->group, false); rcrtc->started = false; } @@ -406,8 +368,8 @@ static int rcar_du_crtc_mode_set(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) { - struct rcar_du_device *rcdu = crtc->dev->dev_private; struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); + struct rcar_du_device *rcdu = rcrtc->group->dev; const struct rcar_du_format_info *format; int ret; @@ -583,8 +545,9 @@ static const struct drm_crtc_funcs crtc_funcs = { .page_flip = rcar_du_crtc_page_flip, }; -int rcar_du_crtc_create(struct rcar_du_device *rcdu, unsigned int index) +int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int index) { + struct rcar_du_device *rcdu = rgrp->dev; struct platform_device *pdev = to_platform_device(rcdu->dev); struct rcar_du_crtc *rcrtc = &rcdu->crtcs[index]; struct drm_crtc *crtc = &rcrtc->crtc; @@ -608,10 +571,11 @@ int rcar_du_crtc_create(struct rcar_du_device *rcdu, unsigned int index) return PTR_ERR(rcrtc->clock); } + rcrtc->group = rgrp; rcrtc->mmio_offset = index ? DISP2_REG_OFFSET : 0; rcrtc->index = index; rcrtc->dpms = DRM_MODE_DPMS_OFF; - rcrtc->plane = &rcdu->planes.planes[index]; + rcrtc->plane = &rgrp->planes.planes[index]; rcrtc->plane->crtc = crtc; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h index 5b69e98a3b92..542a7feceb20 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h @@ -19,7 +19,7 @@ #include <drm/drmP.h> #include <drm/drm_crtc.h> -struct rcar_du_device; +struct rcar_du_group; struct rcar_du_plane; struct rcar_du_crtc { @@ -34,10 +34,11 @@ struct rcar_du_crtc { unsigned int outputs; int dpms; + struct rcar_du_group *group; struct rcar_du_plane *plane; }; -int rcar_du_crtc_create(struct rcar_du_device *rcdu, unsigned int index); +int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int index); void rcar_du_crtc_enable_vblank(struct rcar_du_crtc *rcrtc, bool enable); void rcar_du_crtc_cancel_page_flip(struct rcar_du_crtc *rcrtc, struct drm_file *file); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index 5f82e046f83e..cdc363b6cd37 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -29,52 +29,6 @@ #include "rcar_du_regs.h" /* ----------------------------------------------------------------------------- - * Core device operations - */ - -/* - * rcar_du_get - Acquire a reference to the DU - * - * Acquiring the first reference setups core registers. A reference must be - * held before accessing any hardware registers. - * - * This function must be called with the DRM mode_config lock held. - * - * Return 0 in case of success or a negative error code otherwise. - */ -int rcar_du_get(struct rcar_du_device *rcdu) -{ - if (rcdu->use_count) - goto done; - - /* Enable extended features */ - rcar_du_write(rcdu, DEFR, DEFR_CODE | DEFR_DEFE); - rcar_du_write(rcdu, DEFR2, DEFR2_CODE | DEFR2_DEFE2G); - rcar_du_write(rcdu, DEFR3, DEFR3_CODE | DEFR3_DEFE3); - rcar_du_write(rcdu, DEFR4, DEFR4_CODE); - rcar_du_write(rcdu, DEFR5, DEFR5_CODE | DEFR5_DEFE5); - - /* Use DS1PR and DS2PR to configure planes priorities and connects the - * superposition 0 to DU0 pins. DU1 pins will be configured dynamically. - */ - rcar_du_write(rcdu, DORCR, DORCR_PG1D_DS1 | DORCR_DPRS); - -done: - rcdu->use_count++; - return 0; -} - -/* - * rcar_du_put - Release a reference to the DU - * - * This function must be called with the DRM mode_config lock held. - */ -void rcar_du_put(struct rcar_du_device *rcdu) -{ - --rcdu->use_count; -} - -/* ----------------------------------------------------------------------------- * DRM operations */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h index 0305c21d71f3..5b57a2f9b52a 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h @@ -18,11 +18,12 @@ #include <linux/platform_data/rcar-du.h> #include "rcar_du_crtc.h" -#include "rcar_du_plane.h" +#include "rcar_du_group.h" struct clk; struct device; struct drm_device; +struct rcar_du_device; #define RCAR_DU_FEATURE_CRTC_IRQ_CLOCK (1 << 0) /* Per-CRTC IRQ and clock */ @@ -40,15 +41,13 @@ struct rcar_du_device { const struct rcar_du_device_info *info; void __iomem *mmio; - unsigned int use_count; struct drm_device *ddev; struct rcar_du_crtc crtcs[2]; - unsigned int used_crtcs; unsigned int num_crtcs; - struct rcar_du_planes planes; + struct rcar_du_group group; }; static inline bool rcar_du_has(struct rcar_du_device *rcdu, @@ -57,9 +56,6 @@ static inline bool rcar_du_has(struct rcar_du_device *rcdu, return rcdu->info->features & feature; } -int rcar_du_get(struct rcar_du_device *rcdu); -void rcar_du_put(struct rcar_du_device *rcdu); - static inline u32 rcar_du_read(struct rcar_du_device *rcdu, u32 reg) { return ioread32(rcdu->mmio + reg); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.c b/drivers/gpu/drm/rcar-du/rcar_du_group.c new file mode 100644 index 000000000000..625b9f446965 --- /dev/null +++ b/drivers/gpu/drm/rcar-du/rcar_du_group.c @@ -0,0 +1,127 @@ +/* + * rcar_du_group.c -- R-Car Display Unit Channels Pair + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +/* + * The R8A7779 DU is split in per-CRTC resources (scan-out engine, blending + * unit, timings generator, ...) and device-global resources (start/stop + * control, planes, ...) shared between the two CRTCs. + * + * The R8A7790 introduced a third CRTC with its own set of global resources. + * This would be modeled as two separate DU device instances if it wasn't for + * a handful or resources that are shared between the three CRTCs (mostly + * related to input and output routing). For this reason the R8A7790 DU must be + * modeled as a single device with three CRTCs, two sets of "semi-global" + * resources, and a few device-global resources. + * + * The rcar_du_group object is a driver specific object, without any real + * counterpart in the DU documentation, that models those semi-global resources. + */ + +#include <linux/io.h> + +#include "rcar_du_drv.h" +#include "rcar_du_group.h" +#include "rcar_du_regs.h" + +static u32 rcar_du_group_read(struct rcar_du_group *rgrp, u32 reg) +{ + return rcar_du_read(rgrp->dev, rgrp->mmio_offset + reg); +} + +static void rcar_du_group_write(struct rcar_du_group *rgrp, u32 reg, u32 data) +{ + rcar_du_write(rgrp->dev, rgrp->mmio_offset + reg, data); +} + +static void rcar_du_group_setup(struct rcar_du_group *rgrp) +{ + /* Enable extended features */ + rcar_du_group_write(rgrp, DEFR, DEFR_CODE | DEFR_DEFE); + rcar_du_group_write(rgrp, DEFR2, DEFR2_CODE | DEFR2_DEFE2G); + rcar_du_group_write(rgrp, DEFR3, DEFR3_CODE | DEFR3_DEFE3); + rcar_du_group_write(rgrp, DEFR4, DEFR4_CODE); + rcar_du_group_write(rgrp, DEFR5, DEFR5_CODE | DEFR5_DEFE5); + + /* Use DS1PR and DS2PR to configure planes priorities and connects the + * superposition 0 to DU0 pins. DU1 pins will be configured dynamically. + */ + rcar_du_group_write(rgrp, DORCR, DORCR_PG1D_DS1 | DORCR_DPRS); +} + +/* + * rcar_du_group_get - Acquire a reference to the DU channels group + * + * Acquiring the first reference setups core registers. A reference must be held + * before accessing any hardware registers. + * + * This function must be called with the DRM mode_config lock held. + * + * Return 0 in case of success or a negative error code otherwise. + */ +int rcar_du_group_get(struct rcar_du_group *rgrp) +{ + if (rgrp->use_count) + goto done; + + rcar_du_group_setup(rgrp); + +done: + rgrp->use_count++; + return 0; +} + +/* + * rcar_du_group_put - Release a reference to the DU + * + * This function must be called with the DRM mode_config lock held. + */ +void rcar_du_group_put(struct rcar_du_group *rgrp) +{ + --rgrp->use_count; +} + +static void __rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start) +{ + rcar_du_group_write(rgrp, DSYSR, + (rcar_du_group_read(rgrp, DSYSR) & ~(DSYSR_DRES | DSYSR_DEN)) | + (start ? DSYSR_DEN : DSYSR_DRES)); +} + +void rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start) +{ + /* Many of the configuration bits are only updated when the display + * reset (DRES) bit in DSYSR is set to 1, disabling *both* CRTCs. Some + * of those bits could be pre-configured, but others (especially the + * bits related to plane assignment to display timing controllers) need + * to be modified at runtime. + * + * Restart the display controller if a start is requested. Sorry for the + * flicker. It should be possible to move most of the "DRES-update" bits + * setup to driver initialization time and minimize the number of cases + * when the display controller will have to be restarted. + */ + if (start) { + if (rgrp->used_crtcs++ != 0) + __rcar_du_group_start_stop(rgrp, false); + __rcar_du_group_start_stop(rgrp, true); + } else { + if (--rgrp->used_crtcs == 0) + __rcar_du_group_start_stop(rgrp, false); + } +} + +void rcar_du_group_restart(struct rcar_du_group *rgrp) +{ + __rcar_du_group_start_stop(rgrp, false); + __rcar_du_group_start_stop(rgrp, true); +} diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.h b/drivers/gpu/drm/rcar-du/rcar_du_group.h new file mode 100644 index 000000000000..748331bbb8fe --- /dev/null +++ b/drivers/gpu/drm/rcar-du/rcar_du_group.h @@ -0,0 +1,47 @@ +/* + * rcar_du_group.c -- R-Car Display Unit Planes and CRTCs Group + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __RCAR_DU_GROUP_H__ +#define __RCAR_DU_GROUP_H__ + +#include "rcar_du_plane.h" + +struct rcar_du_device; + +/* + * struct rcar_du_group - CRTCs and planes group + * @dev: the DU device + * @mmio_offset: registers offset in the device memory map + * @index: group index + * @use_count: number of users of the group (rcar_du_group_(get|put)) + * @used_crtcs: number of CRTCs currently in use + * @planes: planes handled by the group + */ +struct rcar_du_group { + struct rcar_du_device *dev; + unsigned int mmio_offset; + unsigned int index; + + unsigned int use_count; + unsigned int used_crtcs; + + struct rcar_du_planes planes; +}; + +int rcar_du_group_get(struct rcar_du_group *rgrp); +void rcar_du_group_put(struct rcar_du_group *rgrp); +void rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start); +void rcar_du_group_restart(struct rcar_du_group *rgrp); + + +#endif /* __RCAR_DU_GROUP_H__ */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index a1343fbde57a..c32e0f9d4823 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -174,17 +174,20 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) rcdu->ddev->mode_config.max_height = 2047; rcdu->ddev->mode_config.funcs = &rcar_du_mode_config_funcs; - ret = rcar_du_planes_init(rcdu); + rcdu->group.dev = rcdu; + rcdu->group.index = 0; + rcdu->group.used_crtcs = 0; + + ret = rcar_du_planes_init(&rcdu->group); if (ret < 0) return ret; for (i = 0; i < ARRAY_SIZE(rcdu->crtcs); ++i) { - ret = rcar_du_crtc_create(rcdu, i); + ret = rcar_du_crtc_create(&rcdu->group, i); if (ret < 0) return ret; } - rcdu->used_crtcs = 0; rcdu->num_crtcs = i; for (i = 0; i < rcdu->pdata->num_encoders; ++i) { @@ -215,7 +218,7 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) encoder->possible_clones = 1 << 0; } - ret = rcar_du_planes_register(rcdu); + ret = rcar_du_planes_register(&rcdu->group); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c index 29f21477ef0e..1e9cf7c92f8e 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c @@ -36,71 +36,73 @@ static inline struct rcar_du_plane *to_rcar_plane(struct drm_plane *plane) return container_of(plane, struct rcar_du_kms_plane, plane)->hwplane; } -static u32 rcar_du_plane_read(struct rcar_du_device *rcdu, +static u32 rcar_du_plane_read(struct rcar_du_group *rgrp, unsigned int index, u32 reg) { - return rcar_du_read(rcdu, index * PLANE_OFF + reg); + return rcar_du_read(rgrp->dev, + rgrp->mmio_offset + index * PLANE_OFF + reg); } -static void rcar_du_plane_write(struct rcar_du_device *rcdu, +static void rcar_du_plane_write(struct rcar_du_group *rgrp, unsigned int index, u32 reg, u32 data) { - rcar_du_write(rcdu, index * PLANE_OFF + reg, data); + rcar_du_write(rgrp->dev, rgrp->mmio_offset + index * PLANE_OFF + reg, + data); } int rcar_du_plane_reserve(struct rcar_du_plane *plane, const struct rcar_du_format_info *format) { - struct rcar_du_device *rcdu = plane->dev; + struct rcar_du_group *rgrp = plane->group; unsigned int i; int ret = -EBUSY; - mutex_lock(&rcdu->planes.lock); + mutex_lock(&rgrp->planes.lock); - for (i = 0; i < ARRAY_SIZE(rcdu->planes.planes); ++i) { - if (!(rcdu->planes.free & (1 << i))) + for (i = 0; i < ARRAY_SIZE(rgrp->planes.planes); ++i) { + if (!(rgrp->planes.free & (1 << i))) continue; if (format->planes == 1 || - rcdu->planes.free & (1 << ((i + 1) % 8))) + rgrp->planes.free & (1 << ((i + 1) % 8))) break; } - if (i == ARRAY_SIZE(rcdu->planes.planes)) + if (i == ARRAY_SIZE(rgrp->planes.planes)) goto done; - rcdu->planes.free &= ~(1 << i); + rgrp->planes.free &= ~(1 << i); if (format->planes == 2) - rcdu->planes.free &= ~(1 << ((i + 1) % 8)); + rgrp->planes.free &= ~(1 << ((i + 1) % 8)); plane->hwindex = i; ret = 0; done: - mutex_unlock(&rcdu->planes.lock); + mutex_unlock(&rgrp->planes.lock); return ret; } void rcar_du_plane_release(struct rcar_du_plane *plane) { - struct rcar_du_device *rcdu = plane->dev; + struct rcar_du_group *rgrp = plane->group; if (plane->hwindex == -1) return; - mutex_lock(&rcdu->planes.lock); - rcdu->planes.free |= 1 << plane->hwindex; + mutex_lock(&rgrp->planes.lock); + rgrp->planes.free |= 1 << plane->hwindex; if (plane->format->planes == 2) - rcdu->planes.free |= 1 << ((plane->hwindex + 1) % 8); - mutex_unlock(&rcdu->planes.lock); + rgrp->planes.free |= 1 << ((plane->hwindex + 1) % 8); + mutex_unlock(&rgrp->planes.lock); plane->hwindex = -1; } void rcar_du_plane_update_base(struct rcar_du_plane *plane) { - struct rcar_du_device *rcdu = plane->dev; + struct rcar_du_group *rgrp = plane->group; unsigned int index = plane->hwindex; /* The Y position is expressed in raster line units and must be doubled @@ -111,18 +113,18 @@ void rcar_du_plane_update_base(struct rcar_du_plane *plane) * Similarly, for the second plane, NV12 and NV21 formats seem to * require a halved Y position value. */ - rcar_du_plane_write(rcdu, index, PnSPXR, plane->src_x); - rcar_du_plane_write(rcdu, index, PnSPYR, plane->src_y * + rcar_du_plane_write(rgrp, index, PnSPXR, plane->src_x); + rcar_du_plane_write(rgrp, index, PnSPYR, plane->src_y * (plane->format->bpp == 32 ? 2 : 1)); - rcar_du_plane_write(rcdu, index, PnDSA0R, plane->dma[0]); + rcar_du_plane_write(rgrp, index, PnDSA0R, plane->dma[0]); if (plane->format->planes == 2) { index = (index + 1) % 8; - rcar_du_plane_write(rcdu, index, PnSPXR, plane->src_x); - rcar_du_plane_write(rcdu, index, PnSPYR, plane->src_y * + rcar_du_plane_write(rgrp, index, PnSPXR, plane->src_x); + rcar_du_plane_write(rgrp, index, PnSPYR, plane->src_y * (plane->format->bpp == 16 ? 2 : 1) / 2); - rcar_du_plane_write(rcdu, index, PnDSA0R, plane->dma[1]); + rcar_du_plane_write(rgrp, index, PnDSA0R, plane->dma[1]); } } @@ -143,7 +145,7 @@ void rcar_du_plane_compute_base(struct rcar_du_plane *plane, static void rcar_du_plane_setup_mode(struct rcar_du_plane *plane, unsigned int index) { - struct rcar_du_device *rcdu = plane->dev; + struct rcar_du_group *rgrp = plane->group; u32 colorkey; u32 pnmr; @@ -157,9 +159,9 @@ static void rcar_du_plane_setup_mode(struct rcar_du_plane *plane, * enable alpha-blending regardless of the X bit value. */ if (plane->format->fourcc != DRM_FORMAT_XRGB1555) - rcar_du_plane_write(rcdu, index, PnALPHAR, PnALPHAR_ABIT_0); + rcar_du_plane_write(rgrp, index, PnALPHAR, PnALPHAR_ABIT_0); else - rcar_du_plane_write(rcdu, index, PnALPHAR, + rcar_du_plane_write(rgrp, index, PnALPHAR, PnALPHAR_ABIT_X | plane->alpha); pnmr = PnMR_BM_MD | plane->format->pnmr; @@ -175,14 +177,14 @@ static void rcar_du_plane_setup_mode(struct rcar_du_plane *plane, if (plane->format->fourcc == DRM_FORMAT_YUYV) pnmr |= PnMR_YCDF_YUYV; - rcar_du_plane_write(rcdu, index, PnMR, pnmr); + rcar_du_plane_write(rgrp, index, PnMR, pnmr); switch (plane->format->fourcc) { case DRM_FORMAT_RGB565: colorkey = ((plane->colorkey & 0xf80000) >> 8) | ((plane->colorkey & 0x00fc00) >> 5) | ((plane->colorkey & 0x0000f8) >> 3); - rcar_du_plane_write(rcdu, index, PnTC2R, colorkey); + rcar_du_plane_write(rgrp, index, PnTC2R, colorkey); break; case DRM_FORMAT_ARGB1555: @@ -190,12 +192,12 @@ static void rcar_du_plane_setup_mode(struct rcar_du_plane *plane, colorkey = ((plane->colorkey & 0xf80000) >> 9) | ((plane->colorkey & 0x00f800) >> 6) | ((plane->colorkey & 0x0000f8) >> 3); - rcar_du_plane_write(rcdu, index, PnTC2R, colorkey); + rcar_du_plane_write(rgrp, index, PnTC2R, colorkey); break; case DRM_FORMAT_XRGB8888: case DRM_FORMAT_ARGB8888: - rcar_du_plane_write(rcdu, index, PnTC3R, + rcar_du_plane_write(rgrp, index, PnTC3R, PnTC3R_CODE | (plane->colorkey & 0xffffff)); break; } @@ -204,7 +206,7 @@ static void rcar_du_plane_setup_mode(struct rcar_du_plane *plane, static void __rcar_du_plane_setup(struct rcar_du_plane *plane, unsigned int index) { - struct rcar_du_device *rcdu = plane->dev; + struct rcar_du_group *rgrp = plane->group; u32 ddcr2 = PnDDCR2_CODE; u32 ddcr4; u32 mwr; @@ -214,7 +216,7 @@ static void __rcar_du_plane_setup(struct rcar_du_plane *plane, * The data format is selected by the DDDF field in PnMR and the EDF * field in DDCR4. */ - ddcr4 = rcar_du_plane_read(rcdu, index, PnDDCR4); + ddcr4 = rcar_du_plane_read(rgrp, index, PnDDCR4); ddcr4 &= ~PnDDCR4_EDF_MASK; ddcr4 |= plane->format->edf | PnDDCR4_CODE; @@ -235,8 +237,8 @@ static void __rcar_du_plane_setup(struct rcar_du_plane *plane, } } - rcar_du_plane_write(rcdu, index, PnDDCR2, ddcr2); - rcar_du_plane_write(rcdu, index, PnDDCR4, ddcr4); + rcar_du_plane_write(rgrp, index, PnDDCR2, ddcr2); + rcar_du_plane_write(rgrp, index, PnDDCR4, ddcr4); /* Memory pitch (expressed in pixels) */ if (plane->format->planes == 2) @@ -244,19 +246,19 @@ static void __rcar_du_plane_setup(struct rcar_du_plane *plane, else mwr = plane->pitch * 8 / plane->format->bpp; - rcar_du_plane_write(rcdu, index, PnMWR, mwr); + rcar_du_plane_write(rgrp, index, PnMWR, mwr); /* Destination position and size */ - rcar_du_plane_write(rcdu, index, PnDSXR, plane->width); - rcar_du_plane_write(rcdu, index, PnDSYR, plane->height); - rcar_du_plane_write(rcdu, index, PnDPXR, plane->dst_x); - rcar_du_plane_write(rcdu, index, PnDPYR, plane->dst_y); + rcar_du_plane_write(rgrp, index, PnDSXR, plane->width); + rcar_du_plane_write(rgrp, index, PnDSYR, plane->height); + rcar_du_plane_write(rgrp, index, PnDPXR, plane->dst_x); + rcar_du_plane_write(rgrp, index, PnDPYR, plane->dst_y); /* Wrap-around and blinking, disabled */ - rcar_du_plane_write(rcdu, index, PnWASPR, 0); - rcar_du_plane_write(rcdu, index, PnWAMWR, 4095); - rcar_du_plane_write(rcdu, index, PnBTR, 0); - rcar_du_plane_write(rcdu, index, PnMLR, 0); + rcar_du_plane_write(rgrp, index, PnWASPR, 0); + rcar_du_plane_write(rgrp, index, PnWAMWR, 4095); + rcar_du_plane_write(rgrp, index, PnBTR, 0); + rcar_du_plane_write(rgrp, index, PnMLR, 0); } void rcar_du_plane_setup(struct rcar_du_plane *plane) @@ -276,7 +278,7 @@ rcar_du_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, uint32_t src_w, uint32_t src_h) { struct rcar_du_plane *rplane = to_rcar_plane(plane); - struct rcar_du_device *rcdu = plane->dev->dev_private; + struct rcar_du_device *rcdu = rplane->group->dev; const struct rcar_du_format_info *format; unsigned int nplanes; int ret; @@ -319,26 +321,25 @@ rcar_du_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, rcar_du_plane_compute_base(rplane, fb); rcar_du_plane_setup(rplane); - mutex_lock(&rcdu->planes.lock); + mutex_lock(&rplane->group->planes.lock); rplane->enabled = true; rcar_du_crtc_update_planes(rplane->crtc); - mutex_unlock(&rcdu->planes.lock); + mutex_unlock(&rplane->group->planes.lock); return 0; } static int rcar_du_plane_disable(struct drm_plane *plane) { - struct rcar_du_device *rcdu = plane->dev->dev_private; struct rcar_du_plane *rplane = to_rcar_plane(plane); if (!rplane->enabled) return 0; - mutex_lock(&rcdu->planes.lock); + mutex_lock(&rplane->group->planes.lock); rplane->enabled = false; rcar_du_crtc_update_planes(rplane->crtc); - mutex_unlock(&rcdu->planes.lock); + mutex_unlock(&rplane->group->planes.lock); rcar_du_plane_release(rplane); @@ -380,9 +381,7 @@ static void rcar_du_plane_set_colorkey(struct rcar_du_plane *plane, static void rcar_du_plane_set_zpos(struct rcar_du_plane *plane, unsigned int zpos) { - struct rcar_du_device *rcdu = plane->dev; - - mutex_lock(&rcdu->planes.lock); + mutex_lock(&plane->group->planes.lock); if (plane->zpos == zpos) goto done; @@ -393,21 +392,21 @@ static void rcar_du_plane_set_zpos(struct rcar_du_plane *plane, rcar_du_crtc_update_planes(plane->crtc); done: - mutex_unlock(&rcdu->planes.lock); + mutex_unlock(&plane->group->planes.lock); } static int rcar_du_plane_set_property(struct drm_plane *plane, struct drm_property *property, uint64_t value) { - struct rcar_du_device *rcdu = plane->dev->dev_private; struct rcar_du_plane *rplane = to_rcar_plane(plane); + struct rcar_du_group *rgrp = rplane->group; - if (property == rcdu->planes.alpha) + if (property == rgrp->planes.alpha) rcar_du_plane_set_alpha(rplane, value); - else if (property == rcdu->planes.colorkey) + else if (property == rgrp->planes.colorkey) rcar_du_plane_set_colorkey(rplane, value); - else if (property == rcdu->planes.zpos) + else if (property == rgrp->planes.zpos) rcar_du_plane_set_zpos(rplane, value); else return -EINVAL; @@ -435,37 +434,39 @@ static const uint32_t formats[] = { DRM_FORMAT_NV16, }; -int rcar_du_planes_init(struct rcar_du_device *rcdu) +int rcar_du_planes_init(struct rcar_du_group *rgrp) { + struct rcar_du_planes *planes = &rgrp->planes; + struct rcar_du_device *rcdu = rgrp->dev; unsigned int i; - mutex_init(&rcdu->planes.lock); - rcdu->planes.free = 0xff; + mutex_init(&planes->lock); + planes->free = 0xff; - rcdu->planes.alpha = + planes->alpha = drm_property_create_range(rcdu->ddev, 0, "alpha", 0, 255); - if (rcdu->planes.alpha == NULL) + if (planes->alpha == NULL) return -ENOMEM; /* The color key is expressed as an RGB888 triplet stored in a 32-bit * integer in XRGB8888 format. Bit 24 is used as a flag to disable (0) * or enable source color keying (1). */ - rcdu->planes.colorkey = + planes->colorkey = drm_property_create_range(rcdu->ddev, 0, "colorkey", 0, 0x01ffffff); - if (rcdu->planes.colorkey == NULL) + if (planes->colorkey == NULL) return -ENOMEM; - rcdu->planes.zpos = + planes->zpos = drm_property_create_range(rcdu->ddev, 0, "zpos", 1, 7); - if (rcdu->planes.zpos == NULL) + if (planes->zpos == NULL) return -ENOMEM; - for (i = 0; i < ARRAY_SIZE(rcdu->planes.planes); ++i) { - struct rcar_du_plane *plane = &rcdu->planes.planes[i]; + for (i = 0; i < ARRAY_SIZE(planes->planes); ++i) { + struct rcar_du_plane *plane = &planes->planes[i]; - plane->dev = rcdu; + plane->group = rgrp; plane->hwindex = -1; plane->alpha = 255; plane->colorkey = RCAR_DU_COLORKEY_NONE; @@ -475,8 +476,10 @@ int rcar_du_planes_init(struct rcar_du_device *rcdu) return 0; } -int rcar_du_planes_register(struct rcar_du_device *rcdu) +int rcar_du_planes_register(struct rcar_du_group *rgrp) { + struct rcar_du_planes *planes = &rgrp->planes; + struct rcar_du_device *rcdu = rgrp->dev; unsigned int i; int ret; @@ -487,7 +490,7 @@ int rcar_du_planes_register(struct rcar_du_device *rcdu) if (plane == NULL) return -ENOMEM; - plane->hwplane = &rcdu->planes.planes[i + 2]; + plane->hwplane = &planes->planes[i + 2]; plane->hwplane->zpos = 1; ret = drm_plane_init(rcdu->ddev, &plane->plane, @@ -498,12 +501,12 @@ int rcar_du_planes_register(struct rcar_du_device *rcdu) return ret; drm_object_attach_property(&plane->plane.base, - rcdu->planes.alpha, 255); + planes->alpha, 255); drm_object_attach_property(&plane->plane.base, - rcdu->planes.colorkey, + planes->colorkey, RCAR_DU_COLORKEY_NONE); drm_object_attach_property(&plane->plane.base, - rcdu->planes.zpos, 1); + planes->zpos, 1); } return 0; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.h b/drivers/gpu/drm/rcar-du/rcar_du_plane.h index bcf6f76f56a0..f94f9ce84998 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.h @@ -19,8 +19,8 @@ #include <drm/drmP.h> #include <drm/drm_crtc.h> -struct rcar_du_device; struct rcar_du_format_info; +struct rcar_du_group; /* The RCAR DU has 8 hardware planes, shared between KMS planes and CRTCs. As * using KMS planes requires at least one of the CRTCs being enabled, no more @@ -33,7 +33,7 @@ struct rcar_du_format_info; #define RCAR_DU_NUM_SW_PLANES 9 struct rcar_du_plane { - struct rcar_du_device *dev; + struct rcar_du_group *group; struct drm_crtc *crtc; bool enabled; @@ -67,8 +67,8 @@ struct rcar_du_planes { struct drm_property *zpos; }; -int rcar_du_planes_init(struct rcar_du_device *rcdu); -int rcar_du_planes_register(struct rcar_du_device *rcdu); +int rcar_du_planes_init(struct rcar_du_group *rgrp); +int rcar_du_planes_register(struct rcar_du_group *rgrp); void rcar_du_plane_setup(struct rcar_du_plane *plane); void rcar_du_plane_update_base(struct rcar_du_plane *plane); |