diff options
author | Rob Clark <robdclark@gmail.com> | 2018-02-12 08:18:27 -0500 |
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committer | Rob Clark <robdclark@gmail.com> | 2018-03-19 06:33:35 -0400 |
commit | 14be3200cd5f4ccece246f969c9c3645c3c12bd3 (patch) | |
tree | 1a13a558286aff37da5c87764790326d47fb3ec3 /drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c | |
parent | 52749d601a6055da3352842575408fcba6f1da46 (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.c | 445 |
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); -} |