diff options
Diffstat (limited to 'drivers/gpu/drm/meson/meson_venc_cvbs.c')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_venc_cvbs.c | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/drivers/gpu/drm/meson/meson_venc_cvbs.c b/drivers/gpu/drm/meson/meson_venc_cvbs.c deleted file mode 100644 index f1747fde1fe0..000000000000 --- a/drivers/gpu/drm/meson/meson_venc_cvbs.c +++ /dev/null @@ -1,293 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2016 BayLibre, SAS - * Author: Neil Armstrong <narmstrong@baylibre.com> - * Copyright (C) 2015 Amlogic, Inc. All rights reserved. - * Copyright (C) 2014 Endless Mobile - * - * Written by: - * Jasper St. Pierre <jstpierre@mecheye.net> - */ - -#include <linux/export.h> -#include <linux/of_graph.h> - -#include <drm/drm_atomic_helper.h> -#include <drm/drm_device.h> -#include <drm/drm_edid.h> -#include <drm/drm_probe_helper.h> -#include <drm/drm_print.h> - -#include "meson_registers.h" -#include "meson_vclk.h" -#include "meson_venc_cvbs.h" - -/* HHI VDAC Registers */ -#define HHI_VDAC_CNTL0 0x2F4 /* 0xbd offset in data sheet */ -#define HHI_VDAC_CNTL0_G12A 0x2EC /* 0xbd offset in data sheet */ -#define HHI_VDAC_CNTL1 0x2F8 /* 0xbe offset in data sheet */ -#define HHI_VDAC_CNTL1_G12A 0x2F0 /* 0xbe offset in data sheet */ - -struct meson_venc_cvbs { - struct drm_encoder encoder; - struct drm_connector connector; - struct meson_drm *priv; -}; -#define encoder_to_meson_venc_cvbs(x) \ - container_of(x, struct meson_venc_cvbs, encoder) - -#define connector_to_meson_venc_cvbs(x) \ - container_of(x, struct meson_venc_cvbs, connector) - -/* Supported Modes */ - -struct meson_cvbs_mode meson_cvbs_modes[MESON_CVBS_MODES_COUNT] = { - { /* PAL */ - .enci = &meson_cvbs_enci_pal, - .mode = { - DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, - 720, 732, 795, 864, 0, 576, 580, 586, 625, 0, - DRM_MODE_FLAG_INTERLACE), - .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, - }, - }, - { /* NTSC */ - .enci = &meson_cvbs_enci_ntsc, - .mode = { - DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, - 720, 739, 801, 858, 0, 480, 488, 494, 525, 0, - DRM_MODE_FLAG_INTERLACE), - .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, - }, - }, -}; - -static const struct meson_cvbs_mode * -meson_cvbs_get_mode(const struct drm_display_mode *req_mode) -{ - int i; - - for (i = 0; i < MESON_CVBS_MODES_COUNT; ++i) { - struct meson_cvbs_mode *meson_mode = &meson_cvbs_modes[i]; - - if (drm_mode_match(req_mode, &meson_mode->mode, - DRM_MODE_MATCH_TIMINGS | - DRM_MODE_MATCH_CLOCK | - DRM_MODE_MATCH_FLAGS | - DRM_MODE_MATCH_3D_FLAGS)) - return meson_mode; - } - - return NULL; -} - -/* Connector */ - -static void meson_cvbs_connector_destroy(struct drm_connector *connector) -{ - drm_connector_cleanup(connector); -} - -static enum drm_connector_status -meson_cvbs_connector_detect(struct drm_connector *connector, bool force) -{ - /* FIXME: Add load-detect or jack-detect if possible */ - return connector_status_connected; -} - -static int meson_cvbs_connector_get_modes(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct drm_display_mode *mode; - int i; - - for (i = 0; i < MESON_CVBS_MODES_COUNT; ++i) { - struct meson_cvbs_mode *meson_mode = &meson_cvbs_modes[i]; - - mode = drm_mode_duplicate(dev, &meson_mode->mode); - if (!mode) { - DRM_ERROR("Failed to create a new display mode\n"); - return 0; - } - - drm_mode_probed_add(connector, mode); - } - - return i; -} - -static int meson_cvbs_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - /* Validate the modes added in get_modes */ - return MODE_OK; -} - -static const struct drm_connector_funcs meson_cvbs_connector_funcs = { - .detect = meson_cvbs_connector_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = meson_cvbs_connector_destroy, - .reset = drm_atomic_helper_connector_reset, - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, -}; - -static const -struct drm_connector_helper_funcs meson_cvbs_connector_helper_funcs = { - .get_modes = meson_cvbs_connector_get_modes, - .mode_valid = meson_cvbs_connector_mode_valid, -}; - -/* Encoder */ - -static void meson_venc_cvbs_encoder_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs meson_venc_cvbs_encoder_funcs = { - .destroy = meson_venc_cvbs_encoder_destroy, -}; - -static int meson_venc_cvbs_encoder_atomic_check(struct drm_encoder *encoder, - struct drm_crtc_state *crtc_state, - struct drm_connector_state *conn_state) -{ - if (meson_cvbs_get_mode(&crtc_state->mode)) - return 0; - - return -EINVAL; -} - -static void meson_venc_cvbs_encoder_disable(struct drm_encoder *encoder) -{ - struct meson_venc_cvbs *meson_venc_cvbs = - encoder_to_meson_venc_cvbs(encoder); - struct meson_drm *priv = meson_venc_cvbs->priv; - - /* Disable CVBS VDAC */ - if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) { - regmap_write(priv->hhi, HHI_VDAC_CNTL0_G12A, 0); - regmap_write(priv->hhi, HHI_VDAC_CNTL1_G12A, 0); - } else { - regmap_write(priv->hhi, HHI_VDAC_CNTL0, 0); - regmap_write(priv->hhi, HHI_VDAC_CNTL1, 8); - } -} - -static void meson_venc_cvbs_encoder_enable(struct drm_encoder *encoder) -{ - struct meson_venc_cvbs *meson_venc_cvbs = - encoder_to_meson_venc_cvbs(encoder); - struct meson_drm *priv = meson_venc_cvbs->priv; - - /* VDAC0 source is not from ATV */ - writel_bits_relaxed(VENC_VDAC_SEL_ATV_DMD, 0, - priv->io_base + _REG(VENC_VDAC_DACSEL0)); - - if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB)) { - regmap_write(priv->hhi, HHI_VDAC_CNTL0, 1); - regmap_write(priv->hhi, HHI_VDAC_CNTL1, 0); - } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) || - meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL)) { - regmap_write(priv->hhi, HHI_VDAC_CNTL0, 0xf0001); - regmap_write(priv->hhi, HHI_VDAC_CNTL1, 0); - } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) { - regmap_write(priv->hhi, HHI_VDAC_CNTL0_G12A, 0x906001); - regmap_write(priv->hhi, HHI_VDAC_CNTL1_G12A, 0); - } -} - -static void meson_venc_cvbs_encoder_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - const struct meson_cvbs_mode *meson_mode = meson_cvbs_get_mode(mode); - struct meson_venc_cvbs *meson_venc_cvbs = - encoder_to_meson_venc_cvbs(encoder); - struct meson_drm *priv = meson_venc_cvbs->priv; - - if (meson_mode) { - meson_venci_cvbs_mode_set(priv, meson_mode->enci); - - /* Setup 27MHz vclk2 for ENCI and VDAC */ - meson_vclk_setup(priv, MESON_VCLK_TARGET_CVBS, - MESON_VCLK_CVBS, MESON_VCLK_CVBS, - MESON_VCLK_CVBS, MESON_VCLK_CVBS, - true); - } -} - -static const struct drm_encoder_helper_funcs - meson_venc_cvbs_encoder_helper_funcs = { - .atomic_check = meson_venc_cvbs_encoder_atomic_check, - .disable = meson_venc_cvbs_encoder_disable, - .enable = meson_venc_cvbs_encoder_enable, - .mode_set = meson_venc_cvbs_encoder_mode_set, -}; - -static bool meson_venc_cvbs_connector_is_available(struct meson_drm *priv) -{ - struct device_node *remote; - - remote = of_graph_get_remote_node(priv->dev->of_node, 0, 0); - if (!remote) - return false; - - of_node_put(remote); - return true; -} - -int meson_venc_cvbs_create(struct meson_drm *priv) -{ - struct drm_device *drm = priv->drm; - struct meson_venc_cvbs *meson_venc_cvbs; - struct drm_connector *connector; - struct drm_encoder *encoder; - int ret; - - if (!meson_venc_cvbs_connector_is_available(priv)) { - dev_info(drm->dev, "CVBS Output connector not available\n"); - return 0; - } - - meson_venc_cvbs = devm_kzalloc(priv->dev, sizeof(*meson_venc_cvbs), - GFP_KERNEL); - if (!meson_venc_cvbs) - return -ENOMEM; - - meson_venc_cvbs->priv = priv; - encoder = &meson_venc_cvbs->encoder; - connector = &meson_venc_cvbs->connector; - - /* Connector */ - - drm_connector_helper_add(connector, - &meson_cvbs_connector_helper_funcs); - - ret = drm_connector_init(drm, connector, &meson_cvbs_connector_funcs, - DRM_MODE_CONNECTOR_Composite); - if (ret) { - dev_err(priv->dev, "Failed to init CVBS connector\n"); - return ret; - } - - connector->interlace_allowed = 1; - - /* Encoder */ - - drm_encoder_helper_add(encoder, &meson_venc_cvbs_encoder_helper_funcs); - - ret = drm_encoder_init(drm, encoder, &meson_venc_cvbs_encoder_funcs, - DRM_MODE_ENCODER_TVDAC, "meson_venc_cvbs"); - if (ret) { - dev_err(priv->dev, "Failed to init CVBS encoder\n"); - return ret; - } - - encoder->possible_crtcs = BIT(0); - - drm_connector_attach_encoder(connector, encoder); - - return 0; -} |