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path: root/drivers/gpu/drm/vc4/vc4_vec.c
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Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_vec.c')
-rw-r--r--drivers/gpu/drm/vc4/vc4_vec.c589
1 files changed, 589 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_vec.c b/drivers/gpu/drm/vc4/vc4_vec.c
new file mode 100644
index 000000000..0b3333865
--- /dev/null
+++ b/drivers/gpu/drm/vc4/vc4_vec.c
@@ -0,0 +1,589 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2016 Broadcom
+ */
+
+/**
+ * DOC: VC4 SDTV module
+ *
+ * The VEC encoder generates PAL or NTSC composite video output.
+ *
+ * TV mode selection is done by an atomic property on the encoder,
+ * because a drm_mode_modeinfo is insufficient to distinguish between
+ * PAL and PAL-M or NTSC and NTSC-J.
+ */
+
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_panel.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
+#include <linux/clk.h>
+#include <linux/component.h>
+#include <linux/of_graph.h>
+#include <linux/of_platform.h>
+#include <linux/pm_runtime.h>
+
+#include "vc4_drv.h"
+#include "vc4_regs.h"
+
+/* WSE Registers */
+#define VEC_WSE_RESET 0xc0
+
+#define VEC_WSE_CONTROL 0xc4
+#define VEC_WSE_WSS_ENABLE BIT(7)
+
+#define VEC_WSE_WSS_DATA 0xc8
+#define VEC_WSE_VPS_DATA1 0xcc
+#define VEC_WSE_VPS_CONTROL 0xd0
+
+/* VEC Registers */
+#define VEC_REVID 0x100
+
+#define VEC_CONFIG0 0x104
+#define VEC_CONFIG0_YDEL_MASK GENMASK(28, 26)
+#define VEC_CONFIG0_YDEL(x) ((x) << 26)
+#define VEC_CONFIG0_CDEL_MASK GENMASK(25, 24)
+#define VEC_CONFIG0_CDEL(x) ((x) << 24)
+#define VEC_CONFIG0_PBPR_FIL BIT(18)
+#define VEC_CONFIG0_CHROMA_GAIN_MASK GENMASK(17, 16)
+#define VEC_CONFIG0_CHROMA_GAIN_UNITY (0 << 16)
+#define VEC_CONFIG0_CHROMA_GAIN_1_32 (1 << 16)
+#define VEC_CONFIG0_CHROMA_GAIN_1_16 (2 << 16)
+#define VEC_CONFIG0_CHROMA_GAIN_1_8 (3 << 16)
+#define VEC_CONFIG0_CBURST_GAIN_MASK GENMASK(14, 13)
+#define VEC_CONFIG0_CBURST_GAIN_UNITY (0 << 13)
+#define VEC_CONFIG0_CBURST_GAIN_1_128 (1 << 13)
+#define VEC_CONFIG0_CBURST_GAIN_1_64 (2 << 13)
+#define VEC_CONFIG0_CBURST_GAIN_1_32 (3 << 13)
+#define VEC_CONFIG0_CHRBW1 BIT(11)
+#define VEC_CONFIG0_CHRBW0 BIT(10)
+#define VEC_CONFIG0_SYNCDIS BIT(9)
+#define VEC_CONFIG0_BURDIS BIT(8)
+#define VEC_CONFIG0_CHRDIS BIT(7)
+#define VEC_CONFIG0_PDEN BIT(6)
+#define VEC_CONFIG0_YCDELAY BIT(4)
+#define VEC_CONFIG0_RAMPEN BIT(2)
+#define VEC_CONFIG0_YCDIS BIT(2)
+#define VEC_CONFIG0_STD_MASK GENMASK(1, 0)
+#define VEC_CONFIG0_NTSC_STD 0
+#define VEC_CONFIG0_PAL_BDGHI_STD 1
+#define VEC_CONFIG0_PAL_N_STD 3
+
+#define VEC_SCHPH 0x108
+#define VEC_SOFT_RESET 0x10c
+#define VEC_CLMP0_START 0x144
+#define VEC_CLMP0_END 0x148
+#define VEC_FREQ3_2 0x180
+#define VEC_FREQ1_0 0x184
+
+#define VEC_CONFIG1 0x188
+#define VEC_CONFIG_VEC_RESYNC_OFF BIT(18)
+#define VEC_CONFIG_RGB219 BIT(17)
+#define VEC_CONFIG_CBAR_EN BIT(16)
+#define VEC_CONFIG_TC_OBB BIT(15)
+#define VEC_CONFIG1_OUTPUT_MODE_MASK GENMASK(12, 10)
+#define VEC_CONFIG1_C_Y_CVBS (0 << 10)
+#define VEC_CONFIG1_CVBS_Y_C (1 << 10)
+#define VEC_CONFIG1_PR_Y_PB (2 << 10)
+#define VEC_CONFIG1_RGB (4 << 10)
+#define VEC_CONFIG1_Y_C_CVBS (5 << 10)
+#define VEC_CONFIG1_C_CVBS_Y (6 << 10)
+#define VEC_CONFIG1_C_CVBS_CVBS (7 << 10)
+#define VEC_CONFIG1_DIS_CHR BIT(9)
+#define VEC_CONFIG1_DIS_LUMA BIT(8)
+#define VEC_CONFIG1_YCBCR_IN BIT(6)
+#define VEC_CONFIG1_DITHER_TYPE_LFSR 0
+#define VEC_CONFIG1_DITHER_TYPE_COUNTER BIT(5)
+#define VEC_CONFIG1_DITHER_EN BIT(4)
+#define VEC_CONFIG1_CYDELAY BIT(3)
+#define VEC_CONFIG1_LUMADIS BIT(2)
+#define VEC_CONFIG1_COMPDIS BIT(1)
+#define VEC_CONFIG1_CUSTOM_FREQ BIT(0)
+
+#define VEC_CONFIG2 0x18c
+#define VEC_CONFIG2_PROG_SCAN BIT(15)
+#define VEC_CONFIG2_SYNC_ADJ_MASK GENMASK(14, 12)
+#define VEC_CONFIG2_SYNC_ADJ(x) (((x) / 2) << 12)
+#define VEC_CONFIG2_PBPR_EN BIT(10)
+#define VEC_CONFIG2_UV_DIG_DIS BIT(6)
+#define VEC_CONFIG2_RGB_DIG_DIS BIT(5)
+#define VEC_CONFIG2_TMUX_MASK GENMASK(3, 2)
+#define VEC_CONFIG2_TMUX_DRIVE0 (0 << 2)
+#define VEC_CONFIG2_TMUX_RG_COMP (1 << 2)
+#define VEC_CONFIG2_TMUX_UV_YC (2 << 2)
+#define VEC_CONFIG2_TMUX_SYNC_YC (3 << 2)
+
+#define VEC_INTERRUPT_CONTROL 0x190
+#define VEC_INTERRUPT_STATUS 0x194
+#define VEC_FCW_SECAM_B 0x198
+#define VEC_SECAM_GAIN_VAL 0x19c
+
+#define VEC_CONFIG3 0x1a0
+#define VEC_CONFIG3_HORIZ_LEN_STD (0 << 0)
+#define VEC_CONFIG3_HORIZ_LEN_MPEG1_SIF (1 << 0)
+#define VEC_CONFIG3_SHAPE_NON_LINEAR BIT(1)
+
+#define VEC_STATUS0 0x200
+#define VEC_MASK0 0x204
+
+#define VEC_CFG 0x208
+#define VEC_CFG_SG_MODE_MASK GENMASK(6, 5)
+#define VEC_CFG_SG_MODE(x) ((x) << 5)
+#define VEC_CFG_SG_EN BIT(4)
+#define VEC_CFG_VEC_EN BIT(3)
+#define VEC_CFG_MB_EN BIT(2)
+#define VEC_CFG_ENABLE BIT(1)
+#define VEC_CFG_TB_EN BIT(0)
+
+#define VEC_DAC_TEST 0x20c
+
+#define VEC_DAC_CONFIG 0x210
+#define VEC_DAC_CONFIG_LDO_BIAS_CTRL(x) ((x) << 24)
+#define VEC_DAC_CONFIG_DRIVER_CTRL(x) ((x) << 16)
+#define VEC_DAC_CONFIG_DAC_CTRL(x) (x)
+
+#define VEC_DAC_MISC 0x214
+#define VEC_DAC_MISC_VCD_CTRL_MASK GENMASK(31, 16)
+#define VEC_DAC_MISC_VCD_CTRL(x) ((x) << 16)
+#define VEC_DAC_MISC_VID_ACT BIT(8)
+#define VEC_DAC_MISC_VCD_PWRDN BIT(6)
+#define VEC_DAC_MISC_BIAS_PWRDN BIT(5)
+#define VEC_DAC_MISC_DAC_PWRDN BIT(2)
+#define VEC_DAC_MISC_LDO_PWRDN BIT(1)
+#define VEC_DAC_MISC_DAC_RST_N BIT(0)
+
+
+struct vc4_vec_variant {
+ u32 dac_config;
+};
+
+/* General VEC hardware state. */
+struct vc4_vec {
+ struct vc4_encoder encoder;
+ struct drm_connector connector;
+
+ struct platform_device *pdev;
+ const struct vc4_vec_variant *variant;
+
+ void __iomem *regs;
+
+ struct clk *clock;
+
+ struct debugfs_regset32 regset;
+};
+
+#define VEC_READ(offset) readl(vec->regs + (offset))
+#define VEC_WRITE(offset, val) writel(val, vec->regs + (offset))
+
+static inline struct vc4_vec *
+encoder_to_vc4_vec(struct drm_encoder *encoder)
+{
+ return container_of(encoder, struct vc4_vec, encoder.base);
+}
+
+enum vc4_vec_tv_mode_id {
+ VC4_VEC_TV_MODE_NTSC,
+ VC4_VEC_TV_MODE_NTSC_J,
+ VC4_VEC_TV_MODE_PAL,
+ VC4_VEC_TV_MODE_PAL_M,
+};
+
+struct vc4_vec_tv_mode {
+ const struct drm_display_mode *mode;
+ u32 config0;
+ u32 config1;
+ u32 custom_freq;
+};
+
+static const struct debugfs_reg32 vec_regs[] = {
+ VC4_REG32(VEC_WSE_CONTROL),
+ VC4_REG32(VEC_WSE_WSS_DATA),
+ VC4_REG32(VEC_WSE_VPS_DATA1),
+ VC4_REG32(VEC_WSE_VPS_CONTROL),
+ VC4_REG32(VEC_REVID),
+ VC4_REG32(VEC_CONFIG0),
+ VC4_REG32(VEC_SCHPH),
+ VC4_REG32(VEC_CLMP0_START),
+ VC4_REG32(VEC_CLMP0_END),
+ VC4_REG32(VEC_FREQ3_2),
+ VC4_REG32(VEC_FREQ1_0),
+ VC4_REG32(VEC_CONFIG1),
+ VC4_REG32(VEC_CONFIG2),
+ VC4_REG32(VEC_INTERRUPT_CONTROL),
+ VC4_REG32(VEC_INTERRUPT_STATUS),
+ VC4_REG32(VEC_FCW_SECAM_B),
+ VC4_REG32(VEC_SECAM_GAIN_VAL),
+ VC4_REG32(VEC_CONFIG3),
+ VC4_REG32(VEC_STATUS0),
+ VC4_REG32(VEC_MASK0),
+ VC4_REG32(VEC_CFG),
+ VC4_REG32(VEC_DAC_TEST),
+ VC4_REG32(VEC_DAC_CONFIG),
+ VC4_REG32(VEC_DAC_MISC),
+};
+
+static const struct drm_display_mode ntsc_mode = {
+ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 13500,
+ 720, 720 + 14, 720 + 14 + 64, 720 + 14 + 64 + 60, 0,
+ 480, 480 + 7, 480 + 7 + 6, 525, 0,
+ DRM_MODE_FLAG_INTERLACE)
+};
+
+static const struct drm_display_mode pal_mode = {
+ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 13500,
+ 720, 720 + 20, 720 + 20 + 64, 720 + 20 + 64 + 60, 0,
+ 576, 576 + 4, 576 + 4 + 6, 625, 0,
+ DRM_MODE_FLAG_INTERLACE)
+};
+
+static const struct vc4_vec_tv_mode vc4_vec_tv_modes[] = {
+ [VC4_VEC_TV_MODE_NTSC] = {
+ .mode = &ntsc_mode,
+ .config0 = VEC_CONFIG0_NTSC_STD | VEC_CONFIG0_PDEN,
+ .config1 = VEC_CONFIG1_C_CVBS_CVBS,
+ },
+ [VC4_VEC_TV_MODE_NTSC_J] = {
+ .mode = &ntsc_mode,
+ .config0 = VEC_CONFIG0_NTSC_STD,
+ .config1 = VEC_CONFIG1_C_CVBS_CVBS,
+ },
+ [VC4_VEC_TV_MODE_PAL] = {
+ .mode = &pal_mode,
+ .config0 = VEC_CONFIG0_PAL_BDGHI_STD,
+ .config1 = VEC_CONFIG1_C_CVBS_CVBS,
+ },
+ [VC4_VEC_TV_MODE_PAL_M] = {
+ .mode = &pal_mode,
+ .config0 = VEC_CONFIG0_PAL_BDGHI_STD,
+ .config1 = VEC_CONFIG1_C_CVBS_CVBS | VEC_CONFIG1_CUSTOM_FREQ,
+ .custom_freq = 0x223b61d1,
+ },
+};
+
+static enum drm_connector_status
+vc4_vec_connector_detect(struct drm_connector *connector, bool force)
+{
+ return connector_status_unknown;
+}
+
+static int vc4_vec_connector_get_modes(struct drm_connector *connector)
+{
+ struct drm_connector_state *state = connector->state;
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_duplicate(connector->dev,
+ vc4_vec_tv_modes[state->tv.mode].mode);
+ if (!mode) {
+ DRM_ERROR("Failed to create a new display mode\n");
+ return -ENOMEM;
+ }
+
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
+
+static const struct drm_connector_funcs vc4_vec_connector_funcs = {
+ .detect = vc4_vec_connector_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .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 vc4_vec_connector_helper_funcs = {
+ .get_modes = vc4_vec_connector_get_modes,
+};
+
+static int vc4_vec_connector_init(struct drm_device *dev, struct vc4_vec *vec)
+{
+ struct drm_connector *connector = &vec->connector;
+ int ret;
+
+ connector->interlace_allowed = true;
+
+ ret = drmm_connector_init(dev, connector, &vc4_vec_connector_funcs,
+ DRM_MODE_CONNECTOR_Composite, NULL);
+ if (ret)
+ return ret;
+
+ drm_connector_helper_add(connector, &vc4_vec_connector_helper_funcs);
+
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.tv_mode_property,
+ VC4_VEC_TV_MODE_NTSC);
+
+ drm_connector_attach_encoder(connector, &vec->encoder.base);
+
+ return 0;
+}
+
+static void vc4_vec_encoder_disable(struct drm_encoder *encoder,
+ struct drm_atomic_state *state)
+{
+ struct drm_device *drm = encoder->dev;
+ struct vc4_vec *vec = encoder_to_vc4_vec(encoder);
+ int idx, ret;
+
+ if (!drm_dev_enter(drm, &idx))
+ return;
+
+ VEC_WRITE(VEC_CFG, 0);
+ VEC_WRITE(VEC_DAC_MISC,
+ VEC_DAC_MISC_VCD_PWRDN |
+ VEC_DAC_MISC_BIAS_PWRDN |
+ VEC_DAC_MISC_DAC_PWRDN |
+ VEC_DAC_MISC_LDO_PWRDN);
+
+ clk_disable_unprepare(vec->clock);
+
+ ret = pm_runtime_put(&vec->pdev->dev);
+ if (ret < 0) {
+ DRM_ERROR("Failed to release power domain: %d\n", ret);
+ goto err_dev_exit;
+ }
+
+ drm_dev_exit(idx);
+ return;
+
+err_dev_exit:
+ drm_dev_exit(idx);
+}
+
+static void vc4_vec_encoder_enable(struct drm_encoder *encoder,
+ struct drm_atomic_state *state)
+{
+ struct drm_device *drm = encoder->dev;
+ struct vc4_vec *vec = encoder_to_vc4_vec(encoder);
+ struct drm_connector *connector = &vec->connector;
+ struct drm_connector_state *conn_state =
+ drm_atomic_get_new_connector_state(state, connector);
+ const struct vc4_vec_tv_mode *tv_mode =
+ &vc4_vec_tv_modes[conn_state->tv.mode];
+ int idx, ret;
+
+ if (!drm_dev_enter(drm, &idx))
+ return;
+
+ ret = pm_runtime_get_sync(&vec->pdev->dev);
+ if (ret < 0) {
+ DRM_ERROR("Failed to retain power domain: %d\n", ret);
+ goto err_dev_exit;
+ }
+
+ /*
+ * We need to set the clock rate each time we enable the encoder
+ * because there's a chance we share the same parent with the HDMI
+ * clock, and both drivers are requesting different rates.
+ * The good news is, these 2 encoders cannot be enabled at the same
+ * time, thus preventing incompatible rate requests.
+ */
+ ret = clk_set_rate(vec->clock, 108000000);
+ if (ret) {
+ DRM_ERROR("Failed to set clock rate: %d\n", ret);
+ goto err_put_runtime_pm;
+ }
+
+ ret = clk_prepare_enable(vec->clock);
+ if (ret) {
+ DRM_ERROR("Failed to turn on core clock: %d\n", ret);
+ goto err_put_runtime_pm;
+ }
+
+ /* Reset the different blocks */
+ VEC_WRITE(VEC_WSE_RESET, 1);
+ VEC_WRITE(VEC_SOFT_RESET, 1);
+
+ /* Disable the CGSM-A and WSE blocks */
+ VEC_WRITE(VEC_WSE_CONTROL, 0);
+
+ /* Write config common to all modes. */
+
+ /*
+ * Color subcarrier phase: phase = 360 * SCHPH / 256.
+ * 0x28 <=> 39.375 deg.
+ */
+ VEC_WRITE(VEC_SCHPH, 0x28);
+
+ /*
+ * Reset to default values.
+ */
+ VEC_WRITE(VEC_CLMP0_START, 0xac);
+ VEC_WRITE(VEC_CLMP0_END, 0xec);
+ VEC_WRITE(VEC_CONFIG2,
+ VEC_CONFIG2_UV_DIG_DIS | VEC_CONFIG2_RGB_DIG_DIS);
+ VEC_WRITE(VEC_CONFIG3, VEC_CONFIG3_HORIZ_LEN_STD);
+ VEC_WRITE(VEC_DAC_CONFIG, vec->variant->dac_config);
+
+ /* Mask all interrupts. */
+ VEC_WRITE(VEC_MASK0, 0);
+
+ VEC_WRITE(VEC_CONFIG0, tv_mode->config0);
+ VEC_WRITE(VEC_CONFIG1, tv_mode->config1);
+
+ if (tv_mode->custom_freq) {
+ VEC_WRITE(VEC_FREQ3_2,
+ (tv_mode->custom_freq >> 16) & 0xffff);
+ VEC_WRITE(VEC_FREQ1_0,
+ tv_mode->custom_freq & 0xffff);
+ }
+
+ VEC_WRITE(VEC_DAC_MISC,
+ VEC_DAC_MISC_VID_ACT | VEC_DAC_MISC_DAC_RST_N);
+ VEC_WRITE(VEC_CFG, VEC_CFG_VEC_EN);
+
+ drm_dev_exit(idx);
+ return;
+
+err_put_runtime_pm:
+ pm_runtime_put(&vec->pdev->dev);
+err_dev_exit:
+ drm_dev_exit(idx);
+}
+
+static int vc4_vec_encoder_atomic_check(struct drm_encoder *encoder,
+ struct drm_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
+{
+ const struct vc4_vec_tv_mode *vec_mode;
+
+ vec_mode = &vc4_vec_tv_modes[conn_state->tv.mode];
+
+ if (conn_state->crtc &&
+ !drm_mode_equal(vec_mode->mode, &crtc_state->adjusted_mode))
+ return -EINVAL;
+
+ return 0;
+}
+
+static const struct drm_encoder_helper_funcs vc4_vec_encoder_helper_funcs = {
+ .atomic_check = vc4_vec_encoder_atomic_check,
+ .atomic_disable = vc4_vec_encoder_disable,
+ .atomic_enable = vc4_vec_encoder_enable,
+};
+
+static int vc4_vec_late_register(struct drm_encoder *encoder)
+{
+ struct drm_device *drm = encoder->dev;
+ struct vc4_vec *vec = encoder_to_vc4_vec(encoder);
+ int ret;
+
+ ret = vc4_debugfs_add_regset32(drm->primary, "vec_regs",
+ &vec->regset);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static const struct drm_encoder_funcs vc4_vec_encoder_funcs = {
+ .late_register = vc4_vec_late_register,
+};
+
+static const struct vc4_vec_variant bcm2835_vec_variant = {
+ .dac_config = VEC_DAC_CONFIG_DAC_CTRL(0xc) |
+ VEC_DAC_CONFIG_DRIVER_CTRL(0xc) |
+ VEC_DAC_CONFIG_LDO_BIAS_CTRL(0x46)
+};
+
+static const struct vc4_vec_variant bcm2711_vec_variant = {
+ .dac_config = VEC_DAC_CONFIG_DAC_CTRL(0x0) |
+ VEC_DAC_CONFIG_DRIVER_CTRL(0x80) |
+ VEC_DAC_CONFIG_LDO_BIAS_CTRL(0x61)
+};
+
+static const struct of_device_id vc4_vec_dt_match[] = {
+ { .compatible = "brcm,bcm2835-vec", .data = &bcm2835_vec_variant },
+ { .compatible = "brcm,bcm2711-vec", .data = &bcm2711_vec_variant },
+ { /* sentinel */ },
+};
+
+static const char * const tv_mode_names[] = {
+ [VC4_VEC_TV_MODE_NTSC] = "NTSC",
+ [VC4_VEC_TV_MODE_NTSC_J] = "NTSC-J",
+ [VC4_VEC_TV_MODE_PAL] = "PAL",
+ [VC4_VEC_TV_MODE_PAL_M] = "PAL-M",
+};
+
+static int vc4_vec_bind(struct device *dev, struct device *master, void *data)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct drm_device *drm = dev_get_drvdata(master);
+ struct vc4_vec *vec;
+ int ret;
+
+ ret = drm_mode_create_tv_properties(drm, ARRAY_SIZE(tv_mode_names),
+ tv_mode_names);
+ if (ret)
+ return ret;
+
+ vec = drmm_kzalloc(drm, sizeof(*vec), GFP_KERNEL);
+ if (!vec)
+ return -ENOMEM;
+
+ vec->encoder.type = VC4_ENCODER_TYPE_VEC;
+ vec->pdev = pdev;
+ vec->variant = (const struct vc4_vec_variant *)
+ of_device_get_match_data(dev);
+ vec->regs = vc4_ioremap_regs(pdev, 0);
+ if (IS_ERR(vec->regs))
+ return PTR_ERR(vec->regs);
+ vec->regset.base = vec->regs;
+ vec->regset.regs = vec_regs;
+ vec->regset.nregs = ARRAY_SIZE(vec_regs);
+
+ vec->clock = devm_clk_get(dev, NULL);
+ if (IS_ERR(vec->clock)) {
+ ret = PTR_ERR(vec->clock);
+ if (ret != -EPROBE_DEFER)
+ DRM_ERROR("Failed to get clock: %d\n", ret);
+ return ret;
+ }
+
+ ret = devm_pm_runtime_enable(dev);
+ if (ret)
+ return ret;
+
+ ret = drmm_encoder_init(drm, &vec->encoder.base,
+ &vc4_vec_encoder_funcs,
+ DRM_MODE_ENCODER_TVDAC,
+ NULL);
+ if (ret)
+ return ret;
+
+ drm_encoder_helper_add(&vec->encoder.base, &vc4_vec_encoder_helper_funcs);
+
+ ret = vc4_vec_connector_init(drm, vec);
+ if (ret)
+ return ret;
+
+ dev_set_drvdata(dev, vec);
+
+ return 0;
+}
+
+static const struct component_ops vc4_vec_ops = {
+ .bind = vc4_vec_bind,
+};
+
+static int vc4_vec_dev_probe(struct platform_device *pdev)
+{
+ return component_add(&pdev->dev, &vc4_vec_ops);
+}
+
+static int vc4_vec_dev_remove(struct platform_device *pdev)
+{
+ component_del(&pdev->dev, &vc4_vec_ops);
+ return 0;
+}
+
+struct platform_driver vc4_vec_driver = {
+ .probe = vc4_vec_dev_probe,
+ .remove = vc4_vec_dev_remove,
+ .driver = {
+ .name = "vc4_vec",
+ .of_match_table = vc4_vec_dt_match,
+ },
+};