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authorRob Clark <robdclark@gmail.com>2018-02-12 08:18:27 -0500
committerRob Clark <robdclark@gmail.com>2018-03-19 06:33:35 -0400
commit14be3200cd5f4ccece246f969c9c3645c3c12bd3 (patch)
tree1a13a558286aff37da5c87764790326d47fb3ec3 /drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c
parent52749d601a6055da3352842575408fcba6f1da46 (diff)
drm/msm: rename mdp->disp
Since new display controller is called "dpu" instead of "mdp". Lets make the name of the toplevel directory for the display controllers a bit more generic. Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c')
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c445
1 files changed, 0 insertions, 445 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c
deleted file mode 100644
index 36ad3cbe5f79..000000000000
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c
+++ /dev/null
@@ -1,445 +0,0 @@
-/*
- * Copyright (c) 2014, The Linux Foundation. All rights reserved.
- * Copyright (C) 2013 Red Hat
- * 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/>.
- */
-
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-
-#include "mdp5_kms.h"
-
-static struct mdp5_kms *get_kms(struct drm_encoder *encoder)
-{
- struct msm_drm_private *priv = encoder->dev->dev_private;
- return to_mdp5_kms(to_mdp_kms(priv->kms));
-}
-
-#ifdef DOWNSTREAM_CONFIG_MSM_BUS_SCALING
-#include <mach/board.h>
-#include <mach/msm_bus.h>
-#include <mach/msm_bus_board.h>
-#define MDP_BUS_VECTOR_ENTRY(ab_val, ib_val) \
- { \
- .src = MSM_BUS_MASTER_MDP_PORT0, \
- .dst = MSM_BUS_SLAVE_EBI_CH0, \
- .ab = (ab_val), \
- .ib = (ib_val), \
- }
-
-static struct msm_bus_vectors mdp_bus_vectors[] = {
- MDP_BUS_VECTOR_ENTRY(0, 0),
- MDP_BUS_VECTOR_ENTRY(2000000000, 2000000000),
-};
-static struct msm_bus_paths mdp_bus_usecases[] = { {
- .num_paths = 1,
- .vectors = &mdp_bus_vectors[0],
-}, {
- .num_paths = 1,
- .vectors = &mdp_bus_vectors[1],
-} };
-static struct msm_bus_scale_pdata mdp_bus_scale_table = {
- .usecase = mdp_bus_usecases,
- .num_usecases = ARRAY_SIZE(mdp_bus_usecases),
- .name = "mdss_mdp",
-};
-
-static void bs_init(struct mdp5_encoder *mdp5_encoder)
-{
- mdp5_encoder->bsc = msm_bus_scale_register_client(
- &mdp_bus_scale_table);
- DBG("bus scale client: %08x", mdp5_encoder->bsc);
-}
-
-static void bs_fini(struct mdp5_encoder *mdp5_encoder)
-{
- if (mdp5_encoder->bsc) {
- msm_bus_scale_unregister_client(mdp5_encoder->bsc);
- mdp5_encoder->bsc = 0;
- }
-}
-
-static void bs_set(struct mdp5_encoder *mdp5_encoder, int idx)
-{
- if (mdp5_encoder->bsc) {
- DBG("set bus scaling: %d", idx);
- /* HACK: scaling down, and then immediately back up
- * seems to leave things broken (underflow).. so
- * never disable:
- */
- idx = 1;
- msm_bus_scale_client_update_request(mdp5_encoder->bsc, idx);
- }
-}
-#else
-static void bs_init(struct mdp5_encoder *mdp5_encoder) {}
-static void bs_fini(struct mdp5_encoder *mdp5_encoder) {}
-static void bs_set(struct mdp5_encoder *mdp5_encoder, int idx) {}
-#endif
-
-static void mdp5_encoder_destroy(struct drm_encoder *encoder)
-{
- struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
- bs_fini(mdp5_encoder);
- drm_encoder_cleanup(encoder);
- kfree(mdp5_encoder);
-}
-
-static const struct drm_encoder_funcs mdp5_encoder_funcs = {
- .destroy = mdp5_encoder_destroy,
-};
-
-static void mdp5_vid_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
- struct mdp5_kms *mdp5_kms = get_kms(encoder);
- struct drm_device *dev = encoder->dev;
- struct drm_connector *connector;
- int intf = mdp5_encoder->intf->num;
- uint32_t dtv_hsync_skew, vsync_period, vsync_len, ctrl_pol;
- uint32_t display_v_start, display_v_end;
- uint32_t hsync_start_x, hsync_end_x;
- uint32_t format = 0x2100;
- unsigned long flags;
-
- mode = adjusted_mode;
-
- DBG("set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
- mode->base.id, mode->name,
- mode->vrefresh, mode->clock,
- mode->hdisplay, mode->hsync_start,
- mode->hsync_end, mode->htotal,
- mode->vdisplay, mode->vsync_start,
- mode->vsync_end, mode->vtotal,
- mode->type, mode->flags);
-
- ctrl_pol = 0;
-
- /* DSI controller cannot handle active-low sync signals. */
- if (mdp5_encoder->intf->type != INTF_DSI) {
- if (mode->flags & DRM_MODE_FLAG_NHSYNC)
- ctrl_pol |= MDP5_INTF_POLARITY_CTL_HSYNC_LOW;
- if (mode->flags & DRM_MODE_FLAG_NVSYNC)
- ctrl_pol |= MDP5_INTF_POLARITY_CTL_VSYNC_LOW;
- }
- /* probably need to get DATA_EN polarity from panel.. */
-
- dtv_hsync_skew = 0; /* get this from panel? */
-
- /* Get color format from panel, default is 8bpc */
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (connector->encoder == encoder) {
- switch (connector->display_info.bpc) {
- case 4:
- format |= 0;
- break;
- case 5:
- format |= 0x15;
- break;
- case 6:
- format |= 0x2A;
- break;
- case 8:
- default:
- format |= 0x3F;
- break;
- }
- break;
- }
- }
-
- hsync_start_x = (mode->htotal - mode->hsync_start);
- hsync_end_x = mode->htotal - (mode->hsync_start - mode->hdisplay) - 1;
-
- vsync_period = mode->vtotal * mode->htotal;
- vsync_len = (mode->vsync_end - mode->vsync_start) * mode->htotal;
- display_v_start = (mode->vtotal - mode->vsync_start) * mode->htotal + dtv_hsync_skew;
- display_v_end = vsync_period - ((mode->vsync_start - mode->vdisplay) * mode->htotal) + dtv_hsync_skew - 1;
-
- /*
- * For edp only:
- * DISPLAY_V_START = (VBP * HCYCLE) + HBP
- * DISPLAY_V_END = (VBP + VACTIVE) * HCYCLE - 1 - HFP
- */
- if (mdp5_encoder->intf->type == INTF_eDP) {
- display_v_start += mode->htotal - mode->hsync_start;
- display_v_end -= mode->hsync_start - mode->hdisplay;
- }
-
- spin_lock_irqsave(&mdp5_encoder->intf_lock, flags);
-
- mdp5_write(mdp5_kms, REG_MDP5_INTF_HSYNC_CTL(intf),
- MDP5_INTF_HSYNC_CTL_PULSEW(mode->hsync_end - mode->hsync_start) |
- MDP5_INTF_HSYNC_CTL_PERIOD(mode->htotal));
- mdp5_write(mdp5_kms, REG_MDP5_INTF_VSYNC_PERIOD_F0(intf), vsync_period);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_VSYNC_LEN_F0(intf), vsync_len);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_DISPLAY_HCTL(intf),
- MDP5_INTF_DISPLAY_HCTL_START(hsync_start_x) |
- MDP5_INTF_DISPLAY_HCTL_END(hsync_end_x));
- mdp5_write(mdp5_kms, REG_MDP5_INTF_DISPLAY_VSTART_F0(intf), display_v_start);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_DISPLAY_VEND_F0(intf), display_v_end);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_BORDER_COLOR(intf), 0);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_UNDERFLOW_COLOR(intf), 0xff);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_HSYNC_SKEW(intf), dtv_hsync_skew);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_POLARITY_CTL(intf), ctrl_pol);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_ACTIVE_HCTL(intf),
- MDP5_INTF_ACTIVE_HCTL_START(0) |
- MDP5_INTF_ACTIVE_HCTL_END(0));
- mdp5_write(mdp5_kms, REG_MDP5_INTF_ACTIVE_VSTART_F0(intf), 0);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_ACTIVE_VEND_F0(intf), 0);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_PANEL_FORMAT(intf), format);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_FRAME_LINE_COUNT_EN(intf), 0x3); /* frame+line? */
-
- spin_unlock_irqrestore(&mdp5_encoder->intf_lock, flags);
-
- mdp5_crtc_set_pipeline(encoder->crtc);
-}
-
-static void mdp5_vid_encoder_disable(struct drm_encoder *encoder)
-{
- struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
- struct mdp5_kms *mdp5_kms = get_kms(encoder);
- struct mdp5_ctl *ctl = mdp5_encoder->ctl;
- struct mdp5_pipeline *pipeline = mdp5_crtc_get_pipeline(encoder->crtc);
- struct mdp5_hw_mixer *mixer = mdp5_crtc_get_mixer(encoder->crtc);
- struct mdp5_interface *intf = mdp5_encoder->intf;
- int intfn = mdp5_encoder->intf->num;
- unsigned long flags;
-
- if (WARN_ON(!mdp5_encoder->enabled))
- return;
-
- mdp5_ctl_set_encoder_state(ctl, pipeline, false);
-
- spin_lock_irqsave(&mdp5_encoder->intf_lock, flags);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_TIMING_ENGINE_EN(intfn), 0);
- spin_unlock_irqrestore(&mdp5_encoder->intf_lock, flags);
- mdp5_ctl_commit(ctl, pipeline, mdp_ctl_flush_mask_encoder(intf));
-
- /*
- * Wait for a vsync so we know the ENABLE=0 latched before
- * the (connector) source of the vsync's gets disabled,
- * otherwise we end up in a funny state if we re-enable
- * before the disable latches, which results that some of
- * the settings changes for the new modeset (like new
- * scanout buffer) don't latch properly..
- */
- mdp_irq_wait(&mdp5_kms->base, intf2vblank(mixer, intf));
-
- bs_set(mdp5_encoder, 0);
-
- mdp5_encoder->enabled = false;
-}
-
-static void mdp5_vid_encoder_enable(struct drm_encoder *encoder)
-{
- struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
- struct mdp5_kms *mdp5_kms = get_kms(encoder);
- struct mdp5_ctl *ctl = mdp5_encoder->ctl;
- struct mdp5_interface *intf = mdp5_encoder->intf;
- struct mdp5_pipeline *pipeline = mdp5_crtc_get_pipeline(encoder->crtc);
- int intfn = intf->num;
- unsigned long flags;
-
- if (WARN_ON(mdp5_encoder->enabled))
- return;
-
- bs_set(mdp5_encoder, 1);
- spin_lock_irqsave(&mdp5_encoder->intf_lock, flags);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_TIMING_ENGINE_EN(intfn), 1);
- spin_unlock_irqrestore(&mdp5_encoder->intf_lock, flags);
- mdp5_ctl_commit(ctl, pipeline, mdp_ctl_flush_mask_encoder(intf));
-
- mdp5_ctl_set_encoder_state(ctl, pipeline, true);
-
- mdp5_encoder->enabled = true;
-}
-
-static void mdp5_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
- struct mdp5_interface *intf = mdp5_encoder->intf;
-
- if (intf->mode == MDP5_INTF_DSI_MODE_COMMAND)
- mdp5_cmd_encoder_mode_set(encoder, mode, adjusted_mode);
- else
- mdp5_vid_encoder_mode_set(encoder, mode, adjusted_mode);
-}
-
-static void mdp5_encoder_disable(struct drm_encoder *encoder)
-{
- struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
- struct mdp5_interface *intf = mdp5_encoder->intf;
-
- if (intf->mode == MDP5_INTF_DSI_MODE_COMMAND)
- mdp5_cmd_encoder_disable(encoder);
- else
- mdp5_vid_encoder_disable(encoder);
-}
-
-static void mdp5_encoder_enable(struct drm_encoder *encoder)
-{
- struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
- struct mdp5_interface *intf = mdp5_encoder->intf;
- /* this isn't right I think */
- struct drm_crtc_state *cstate = encoder->crtc->state;
-
- mdp5_encoder_mode_set(encoder, &cstate->mode, &cstate->adjusted_mode);
-
- if (intf->mode == MDP5_INTF_DSI_MODE_COMMAND)
- mdp5_cmd_encoder_enable(encoder);
- else
- mdp5_vid_encoder_enable(encoder);
-}
-
-static int mdp5_encoder_atomic_check(struct drm_encoder *encoder,
- struct drm_crtc_state *crtc_state,
- struct drm_connector_state *conn_state)
-{
- struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
- struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc_state);
- struct mdp5_interface *intf = mdp5_encoder->intf;
- struct mdp5_ctl *ctl = mdp5_encoder->ctl;
-
- mdp5_cstate->ctl = ctl;
- mdp5_cstate->pipeline.intf = intf;
-
- return 0;
-}
-
-static const struct drm_encoder_helper_funcs mdp5_encoder_helper_funcs = {
- .disable = mdp5_encoder_disable,
- .enable = mdp5_encoder_enable,
- .atomic_check = mdp5_encoder_atomic_check,
-};
-
-int mdp5_encoder_get_linecount(struct drm_encoder *encoder)
-{
- struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
- struct mdp5_kms *mdp5_kms = get_kms(encoder);
- int intf = mdp5_encoder->intf->num;
-
- return mdp5_read(mdp5_kms, REG_MDP5_INTF_LINE_COUNT(intf));
-}
-
-u32 mdp5_encoder_get_framecount(struct drm_encoder *encoder)
-{
- struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
- struct mdp5_kms *mdp5_kms = get_kms(encoder);
- int intf = mdp5_encoder->intf->num;
-
- return mdp5_read(mdp5_kms, REG_MDP5_INTF_FRAME_COUNT(intf));
-}
-
-int mdp5_vid_encoder_set_split_display(struct drm_encoder *encoder,
- struct drm_encoder *slave_encoder)
-{
- struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
- struct mdp5_encoder *mdp5_slave_enc = to_mdp5_encoder(slave_encoder);
- struct mdp5_kms *mdp5_kms;
- struct device *dev;
- int intf_num;
- u32 data = 0;
-
- if (!encoder || !slave_encoder)
- return -EINVAL;
-
- mdp5_kms = get_kms(encoder);
- intf_num = mdp5_encoder->intf->num;
-
- /* Switch slave encoder's TimingGen Sync mode,
- * to use the master's enable signal for the slave encoder.
- */
- if (intf_num == 1)
- data |= MDP5_SPLIT_DPL_LOWER_INTF2_TG_SYNC;
- else if (intf_num == 2)
- data |= MDP5_SPLIT_DPL_LOWER_INTF1_TG_SYNC;
- else
- return -EINVAL;
-
- dev = &mdp5_kms->pdev->dev;
- /* Make sure clocks are on when connectors calling this function. */
- pm_runtime_get_sync(dev);
-
- /* Dumb Panel, Sync mode */
- mdp5_write(mdp5_kms, REG_MDP5_SPLIT_DPL_UPPER, 0);
- mdp5_write(mdp5_kms, REG_MDP5_SPLIT_DPL_LOWER, data);
- mdp5_write(mdp5_kms, REG_MDP5_SPLIT_DPL_EN, 1);
-
- mdp5_ctl_pair(mdp5_encoder->ctl, mdp5_slave_enc->ctl, true);
-
- pm_runtime_put_sync(dev);
-
- return 0;
-}
-
-void mdp5_encoder_set_intf_mode(struct drm_encoder *encoder, bool cmd_mode)
-{
- struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
- struct mdp5_interface *intf = mdp5_encoder->intf;
-
- /* TODO: Expand this to set writeback modes too */
- if (cmd_mode) {
- WARN_ON(intf->type != INTF_DSI);
- intf->mode = MDP5_INTF_DSI_MODE_COMMAND;
- } else {
- if (intf->type == INTF_DSI)
- intf->mode = MDP5_INTF_DSI_MODE_VIDEO;
- else
- intf->mode = MDP5_INTF_MODE_NONE;
- }
-}
-
-/* initialize encoder */
-struct drm_encoder *mdp5_encoder_init(struct drm_device *dev,
- struct mdp5_interface *intf,
- struct mdp5_ctl *ctl)
-{
- struct drm_encoder *encoder = NULL;
- struct mdp5_encoder *mdp5_encoder;
- int enc_type = (intf->type == INTF_DSI) ?
- DRM_MODE_ENCODER_DSI : DRM_MODE_ENCODER_TMDS;
- int ret;
-
- mdp5_encoder = kzalloc(sizeof(*mdp5_encoder), GFP_KERNEL);
- if (!mdp5_encoder) {
- ret = -ENOMEM;
- goto fail;
- }
-
- encoder = &mdp5_encoder->base;
- mdp5_encoder->ctl = ctl;
- mdp5_encoder->intf = intf;
-
- spin_lock_init(&mdp5_encoder->intf_lock);
-
- drm_encoder_init(dev, encoder, &mdp5_encoder_funcs, enc_type, NULL);
-
- drm_encoder_helper_add(encoder, &mdp5_encoder_helper_funcs);
-
- bs_init(mdp5_encoder);
-
- return encoder;
-
-fail:
- if (encoder)
- mdp5_encoder_destroy(encoder);
-
- return ERR_PTR(ret);
-}