diff options
Diffstat (limited to 'drivers/gpu/drm/msm/hdmi/hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/msm/hdmi/hdmi.c | 659 |
1 files changed, 223 insertions, 436 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c index e247d6942a49..5afac09c0d33 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi.c @@ -1,25 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * 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 <linux/gpio/consumer.h> #include <linux/of_irq.h> -#include <linux/of_gpio.h> +#include <linux/of_platform.h> +#include <linux/pinctrl/consumer.h> +#include <linux/platform_device.h> + +#include <drm/drm_bridge_connector.h> +#include <drm/drm_of.h> +#include <drm/display/drm_hdmi_state_helper.h> -#include <sound/hdmi-codec.h> +#include "msm_kms.h" #include "hdmi.h" void msm_hdmi_set_mode(struct hdmi *hdmi, bool power_on) @@ -30,7 +26,7 @@ void msm_hdmi_set_mode(struct hdmi *hdmi, bool power_on) spin_lock_irqsave(&hdmi->reg_lock, flags); if (power_on) { ctrl |= HDMI_CTRL_ENABLE; - if (!hdmi->hdmi_mode) { + if (!hdmi->connector->display_info.is_hdmi) { ctrl |= HDMI_CTRL_HDMI; hdmi_write(hdmi, REG_HDMI_CTRL, ctrl); ctrl &= ~HDMI_CTRL_HDMI; @@ -52,7 +48,7 @@ static irqreturn_t msm_hdmi_irq(int irq, void *dev_id) struct hdmi *hdmi = dev_id; /* Process HPD: */ - msm_hdmi_connector_irq(hdmi->connector); + msm_hdmi_hpd_irq(hdmi->bridge); /* Process DDC: */ msm_hdmi_i2c_irq(hdmi->i2c); @@ -72,22 +68,21 @@ static void msm_hdmi_destroy(struct hdmi *hdmi) * at this point, hpd has been disabled, * after flush workq, it's safe to deinit hdcp */ - if (hdmi->workq) { - flush_workqueue(hdmi->workq); + if (hdmi->workq) destroy_workqueue(hdmi->workq); - } msm_hdmi_hdcp_destroy(hdmi); + if (hdmi->i2c) + msm_hdmi_i2c_destroy(hdmi->i2c); +} + +static void msm_hdmi_put_phy(struct hdmi *hdmi) +{ if (hdmi->phy_dev) { put_device(hdmi->phy_dev); hdmi->phy = NULL; hdmi->phy_dev = NULL; } - - if (hdmi->i2c) - msm_hdmi_i2c_destroy(hdmi->i2c); - - platform_set_drvdata(hdmi->pdev, NULL); } static int msm_hdmi_get_phy(struct hdmi *hdmi) @@ -103,17 +98,18 @@ static int msm_hdmi_get_phy(struct hdmi *hdmi) } phy_pdev = of_find_device_by_node(phy_node); - if (phy_pdev) - hdmi->phy = platform_get_drvdata(phy_pdev); - of_node_put(phy_node); - if (!phy_pdev || !hdmi->phy) { - DRM_DEV_ERROR(&pdev->dev, "phy driver is not ready\n"); - return -EPROBE_DEFER; + if (!phy_pdev) + return dev_err_probe(&pdev->dev, -EPROBE_DEFER, "phy driver is not ready\n"); + + hdmi->phy = platform_get_drvdata(phy_pdev); + if (!hdmi->phy) { + put_device(&phy_pdev->dev); + return dev_err_probe(&pdev->dev, -EPROBE_DEFER, "phy driver is not ready\n"); } - hdmi->phy_dev = get_device(&phy_pdev->dev); + hdmi->phy_dev = &phy_pdev->dev; return 0; } @@ -122,134 +118,16 @@ static int msm_hdmi_get_phy(struct hdmi *hdmi) * we are to EPROBE_DEFER we want to do it here, rather than later * at modeset_init() time */ -static struct hdmi *msm_hdmi_init(struct platform_device *pdev) +static int msm_hdmi_init(struct hdmi *hdmi) { - struct hdmi_platform_config *config = pdev->dev.platform_data; - struct hdmi *hdmi = NULL; - struct resource *res; - int i, ret; - - hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL); - if (!hdmi) { - ret = -ENOMEM; - goto fail; - } - - hdmi->pdev = pdev; - hdmi->config = config; - spin_lock_init(&hdmi->reg_lock); - - hdmi->mmio = msm_ioremap(pdev, config->mmio_name, "HDMI"); - if (IS_ERR(hdmi->mmio)) { - ret = PTR_ERR(hdmi->mmio); - goto fail; - } - - /* HDCP needs physical address of hdmi register */ - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, - config->mmio_name); - hdmi->mmio_phy_addr = res->start; - - hdmi->qfprom_mmio = msm_ioremap(pdev, - config->qfprom_mmio_name, "HDMI_QFPROM"); - if (IS_ERR(hdmi->qfprom_mmio)) { - DRM_DEV_INFO(&pdev->dev, "can't find qfprom resource\n"); - hdmi->qfprom_mmio = NULL; - } - - hdmi->hpd_regs = devm_kcalloc(&pdev->dev, - config->hpd_reg_cnt, - sizeof(hdmi->hpd_regs[0]), - GFP_KERNEL); - if (!hdmi->hpd_regs) { - ret = -ENOMEM; - goto fail; - } - for (i = 0; i < config->hpd_reg_cnt; i++) { - struct regulator *reg; - - reg = devm_regulator_get(&pdev->dev, - config->hpd_reg_names[i]); - if (IS_ERR(reg)) { - ret = PTR_ERR(reg); - DRM_DEV_ERROR(&pdev->dev, "failed to get hpd regulator: %s (%d)\n", - config->hpd_reg_names[i], ret); - goto fail; - } - - hdmi->hpd_regs[i] = reg; - } - - hdmi->pwr_regs = devm_kcalloc(&pdev->dev, - config->pwr_reg_cnt, - sizeof(hdmi->pwr_regs[0]), - GFP_KERNEL); - if (!hdmi->pwr_regs) { - ret = -ENOMEM; - goto fail; - } - for (i = 0; i < config->pwr_reg_cnt; i++) { - struct regulator *reg; - - reg = devm_regulator_get(&pdev->dev, - config->pwr_reg_names[i]); - if (IS_ERR(reg)) { - ret = PTR_ERR(reg); - DRM_DEV_ERROR(&pdev->dev, "failed to get pwr regulator: %s (%d)\n", - config->pwr_reg_names[i], ret); - goto fail; - } - - hdmi->pwr_regs[i] = reg; - } - - hdmi->hpd_clks = devm_kcalloc(&pdev->dev, - config->hpd_clk_cnt, - sizeof(hdmi->hpd_clks[0]), - GFP_KERNEL); - if (!hdmi->hpd_clks) { - ret = -ENOMEM; - goto fail; - } - for (i = 0; i < config->hpd_clk_cnt; i++) { - struct clk *clk; - - clk = msm_clk_get(pdev, config->hpd_clk_names[i]); - if (IS_ERR(clk)) { - ret = PTR_ERR(clk); - DRM_DEV_ERROR(&pdev->dev, "failed to get hpd clk: %s (%d)\n", - config->hpd_clk_names[i], ret); - goto fail; - } - - hdmi->hpd_clks[i] = clk; - } + struct platform_device *pdev = hdmi->pdev; + int ret; - hdmi->pwr_clks = devm_kcalloc(&pdev->dev, - config->pwr_clk_cnt, - sizeof(hdmi->pwr_clks[0]), - GFP_KERNEL); - if (!hdmi->pwr_clks) { + hdmi->workq = alloc_ordered_workqueue("msm_hdmi", 0); + if (!hdmi->workq) { ret = -ENOMEM; goto fail; } - for (i = 0; i < config->pwr_clk_cnt; i++) { - struct clk *clk; - - clk = msm_clk_get(pdev, config->pwr_clk_names[i]); - if (IS_ERR(clk)) { - ret = PTR_ERR(clk); - DRM_DEV_ERROR(&pdev->dev, "failed to get pwr clk: %s (%d)\n", - config->pwr_clk_names[i], ret); - goto fail; - } - - hdmi->pwr_clks[i] = clk; - } - - pm_runtime_enable(&pdev->dev); - - hdmi->workq = alloc_ordered_workqueue("msm_hdmi", 0); hdmi->i2c = msm_hdmi_i2c_init(hdmi); if (IS_ERR(hdmi->i2c)) { @@ -259,25 +137,18 @@ static struct hdmi *msm_hdmi_init(struct platform_device *pdev) goto fail; } - ret = msm_hdmi_get_phy(hdmi); - if (ret) { - DRM_DEV_ERROR(&pdev->dev, "failed to get phy\n"); - goto fail; - } - hdmi->hdcp_ctrl = msm_hdmi_hdcp_init(hdmi); if (IS_ERR(hdmi->hdcp_ctrl)) { dev_warn(&pdev->dev, "failed to init hdcp: disabled\n"); hdmi->hdcp_ctrl = NULL; } - return hdmi; + return 0; fail: - if (hdmi) - msm_hdmi_destroy(hdmi); + msm_hdmi_destroy(hdmi); - return ERR_PTR(ret); + return ret; } /* Second part of initialization, the drm/kms level modeset_init, @@ -291,24 +162,27 @@ fail: int msm_hdmi_modeset_init(struct hdmi *hdmi, struct drm_device *dev, struct drm_encoder *encoder) { - struct msm_drm_private *priv = dev->dev_private; - struct platform_device *pdev = hdmi->pdev; int ret; hdmi->dev = dev; hdmi->encoder = encoder; - hdmi_audio_infoframe_init(&hdmi->audio.infoframe); - - hdmi->bridge = msm_hdmi_bridge_init(hdmi); - if (IS_ERR(hdmi->bridge)) { - ret = PTR_ERR(hdmi->bridge); + ret = msm_hdmi_bridge_init(hdmi); + if (ret) { DRM_DEV_ERROR(dev->dev, "failed to create HDMI bridge: %d\n", ret); - hdmi->bridge = NULL; goto fail; } - hdmi->connector = msm_hdmi_connector_init(hdmi); + if (hdmi->next_bridge) { + ret = drm_bridge_attach(hdmi->encoder, hdmi->next_bridge, hdmi->bridge, + DRM_BRIDGE_ATTACH_NO_CONNECTOR); + if (ret) { + DRM_DEV_ERROR(dev->dev, "failed to attach next HDMI bridge: %d\n", ret); + goto fail; + } + } + + hdmi->connector = drm_bridge_connector_init(hdmi->dev, encoder); if (IS_ERR(hdmi->connector)) { ret = PTR_ERR(hdmi->connector); DRM_DEV_ERROR(dev->dev, "failed to create HDMI connector: %d\n", ret); @@ -316,15 +190,10 @@ int msm_hdmi_modeset_init(struct hdmi *hdmi, goto fail; } - hdmi->irq = irq_of_parse_and_map(pdev->dev.of_node, 0); - if (hdmi->irq < 0) { - ret = hdmi->irq; - DRM_DEV_ERROR(dev->dev, "failed to get irq: %d\n", ret); - goto fail; - } + drm_connector_attach_encoder(hdmi->connector, hdmi->encoder); - ret = devm_request_irq(&pdev->dev, hdmi->irq, - msm_hdmi_irq, IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + ret = devm_request_irq(dev->dev, hdmi->irq, + msm_hdmi_irq, IRQF_TRIGGER_HIGH, "hdmi_isr", hdmi); if (ret < 0) { DRM_DEV_ERROR(dev->dev, "failed to request IRQ%u: %d\n", @@ -332,27 +201,9 @@ int msm_hdmi_modeset_init(struct hdmi *hdmi, goto fail; } - ret = msm_hdmi_hpd_enable(hdmi->connector); - if (ret < 0) { - DRM_DEV_ERROR(&hdmi->pdev->dev, "failed to enable HPD: %d\n", ret); - goto fail; - } - - encoder->bridge = hdmi->bridge; - - priv->bridges[priv->num_bridges++] = hdmi->bridge; - priv->connectors[priv->num_connectors++] = hdmi->connector; - - platform_set_drvdata(pdev, hdmi); - return 0; fail: - /* bridge is normally destroyed by drm: */ - if (hdmi->bridge) { - msm_hdmi_bridge_destroy(hdmi->bridge); - hdmi->bridge = NULL; - } if (hdmi->connector) { hdmi->connector->funcs->destroy(hdmi->connector); hdmi->connector = NULL; @@ -365,294 +216,229 @@ fail: * The hdmi device: */ -#define HDMI_CFG(item, entry) \ - .item ## _names = item ##_names_ ## entry, \ - .item ## _cnt = ARRAY_SIZE(item ## _names_ ## entry) +static const char * const pwr_reg_names_8960[] = {"core-vdda"}; +static const char * const pwr_clk_names_8960[] = {"core", "master_iface", "slave_iface"}; -static const char *pwr_reg_names_none[] = {}; -static const char *hpd_reg_names_none[] = {}; - -static struct hdmi_platform_config hdmi_tx_8660_config; - -static const char *hpd_reg_names_8960[] = {"core-vdda", "hdmi-mux"}; -static const char *hpd_clk_names_8960[] = {"core", "master_iface", "slave_iface"}; - -static struct hdmi_platform_config hdmi_tx_8960_config = { - HDMI_CFG(hpd_reg, 8960), - HDMI_CFG(hpd_clk, 8960), +static const struct hdmi_platform_config hdmi_tx_8960_config = { + .pwr_reg_names = pwr_reg_names_8960, + .pwr_reg_cnt = ARRAY_SIZE(pwr_reg_names_8960), + .pwr_clk_names = pwr_clk_names_8960, + .pwr_clk_cnt = ARRAY_SIZE(pwr_clk_names_8960), }; -static const char *pwr_reg_names_8x74[] = {"core-vdda", "core-vcc"}; -static const char *hpd_reg_names_8x74[] = {"hpd-gdsc", "hpd-5v"}; -static const char *pwr_clk_names_8x74[] = {"extp", "alt_iface"}; -static const char *hpd_clk_names_8x74[] = {"iface", "core", "mdp_core"}; -static unsigned long hpd_clk_freq_8x74[] = {0, 19200000, 0}; - -static struct hdmi_platform_config hdmi_tx_8974_config = { - HDMI_CFG(pwr_reg, 8x74), - HDMI_CFG(hpd_reg, 8x74), - HDMI_CFG(pwr_clk, 8x74), - HDMI_CFG(hpd_clk, 8x74), - .hpd_freq = hpd_clk_freq_8x74, -}; +static const char * const pwr_reg_names_8x74[] = {"core-vdda", "core-vcc"}; +static const char * const pwr_clk_names_8x74[] = {"iface", "core", "mdp_core", "alt_iface"}; -static const char *hpd_reg_names_8084[] = {"hpd-gdsc", "hpd-5v", "hpd-5v-en"}; - -static struct hdmi_platform_config hdmi_tx_8084_config = { - HDMI_CFG(pwr_reg, 8x74), - HDMI_CFG(hpd_reg, 8084), - HDMI_CFG(pwr_clk, 8x74), - HDMI_CFG(hpd_clk, 8x74), - .hpd_freq = hpd_clk_freq_8x74, +static const struct hdmi_platform_config hdmi_tx_8974_config = { + .pwr_reg_names = pwr_reg_names_8x74, + .pwr_reg_cnt = ARRAY_SIZE(pwr_reg_names_8x74), + .pwr_clk_names = pwr_clk_names_8x74, + .pwr_clk_cnt = ARRAY_SIZE(pwr_clk_names_8x74), }; -static struct hdmi_platform_config hdmi_tx_8994_config = { - HDMI_CFG(pwr_reg, 8x74), - HDMI_CFG(hpd_reg, none), - HDMI_CFG(pwr_clk, 8x74), - HDMI_CFG(hpd_clk, 8x74), - .hpd_freq = hpd_clk_freq_8x74, -}; +static int msm_hdmi_bind(struct device *dev, struct device *master, void *data) +{ + struct msm_drm_private *priv = dev_get_drvdata(master); + struct hdmi *hdmi = dev_get_drvdata(dev); + int err; -static struct hdmi_platform_config hdmi_tx_8996_config = { - HDMI_CFG(pwr_reg, none), - HDMI_CFG(hpd_reg, none), - HDMI_CFG(pwr_clk, 8x74), - HDMI_CFG(hpd_clk, 8x74), - .hpd_freq = hpd_clk_freq_8x74, -}; + err = msm_hdmi_init(hdmi); + if (err) + return err; + priv->kms->hdmi = hdmi; -static const struct { - const char *name; - const bool output; - const int value; - const char *label; -} msm_hdmi_gpio_pdata[] = { - { "qcom,hdmi-tx-ddc-clk", true, 1, "HDMI_DDC_CLK" }, - { "qcom,hdmi-tx-ddc-data", true, 1, "HDMI_DDC_DATA" }, - { "qcom,hdmi-tx-hpd", false, 1, "HDMI_HPD" }, - { "qcom,hdmi-tx-mux-en", true, 1, "HDMI_MUX_EN" }, - { "qcom,hdmi-tx-mux-sel", true, 0, "HDMI_MUX_SEL" }, - { "qcom,hdmi-tx-mux-lpm", true, 1, "HDMI_MUX_LPM" }, -}; + return 0; +} -static int msm_hdmi_get_gpio(struct device_node *of_node, const char *name) +static void msm_hdmi_unbind(struct device *dev, struct device *master, + void *data) { - int gpio; - - /* try with the gpio names as in the table (downstream bindings) */ - gpio = of_get_named_gpio(of_node, name, 0); - if (gpio < 0) { - char name2[32]; - - /* try with the gpio names as in the upstream bindings */ - snprintf(name2, sizeof(name2), "%s-gpios", name); - gpio = of_get_named_gpio(of_node, name2, 0); - if (gpio < 0) { - char name3[32]; - - /* - * try again after stripping out the "qcom,hdmi-tx" - * prefix. This is mainly to match "hpd-gpios" used - * in the upstream bindings - */ - if (sscanf(name2, "qcom,hdmi-tx-%s", name3)) - gpio = of_get_named_gpio(of_node, name3, 0); - } + struct msm_drm_private *priv = dev_get_drvdata(master); - if (gpio < 0) { - DBG("failed to get gpio: %s (%d)", name, gpio); - gpio = -1; - } + if (priv->kms->hdmi) { + msm_hdmi_destroy(priv->kms->hdmi); + priv->kms->hdmi = NULL; } - return gpio; } -/* - * HDMI audio codec callbacks - */ -static int msm_hdmi_audio_hw_params(struct device *dev, void *data, - struct hdmi_codec_daifmt *daifmt, - struct hdmi_codec_params *params) +static const struct component_ops msm_hdmi_ops = { + .bind = msm_hdmi_bind, + .unbind = msm_hdmi_unbind, +}; + +static int msm_hdmi_dev_probe(struct platform_device *pdev) { - struct hdmi *hdmi = dev_get_drvdata(dev); - unsigned int chan; - unsigned int channel_allocation = 0; - unsigned int rate; - unsigned int level_shift = 0; /* 0dB */ - bool down_mix = false; - - DRM_DEV_DEBUG(dev, "%u Hz, %d bit, %d channels\n", params->sample_rate, - params->sample_width, params->cea.channels); - - switch (params->cea.channels) { - case 2: - /* FR and FL speakers */ - channel_allocation = 0; - chan = MSM_HDMI_AUDIO_CHANNEL_2; - break; - case 4: - /* FC, LFE, FR and FL speakers */ - channel_allocation = 0x3; - chan = MSM_HDMI_AUDIO_CHANNEL_4; - break; - case 6: - /* RR, RL, FC, LFE, FR and FL speakers */ - channel_allocation = 0x0B; - chan = MSM_HDMI_AUDIO_CHANNEL_6; - break; - case 8: - /* FRC, FLC, RR, RL, FC, LFE, FR and FL speakers */ - channel_allocation = 0x1F; - chan = MSM_HDMI_AUDIO_CHANNEL_8; - break; - default: + const struct hdmi_platform_config *config; + struct device *dev = &pdev->dev; + struct hdmi *hdmi; + struct resource *res; + int i, ret; + + config = of_device_get_match_data(dev); + if (!config) return -EINVAL; - } - switch (params->sample_rate) { - case 32000: - rate = HDMI_SAMPLE_RATE_32KHZ; - break; - case 44100: - rate = HDMI_SAMPLE_RATE_44_1KHZ; - break; - case 48000: - rate = HDMI_SAMPLE_RATE_48KHZ; - break; - case 88200: - rate = HDMI_SAMPLE_RATE_88_2KHZ; - break; - case 96000: - rate = HDMI_SAMPLE_RATE_96KHZ; - break; - case 176400: - rate = HDMI_SAMPLE_RATE_176_4KHZ; - break; - case 192000: - rate = HDMI_SAMPLE_RATE_192KHZ; - break; - default: - DRM_DEV_ERROR(dev, "rate[%d] not supported!\n", - params->sample_rate); + hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL); + if (!hdmi) + return -ENOMEM; + + hdmi->pdev = pdev; + hdmi->config = config; + spin_lock_init(&hdmi->reg_lock); + mutex_init(&hdmi->state_mutex); + + ret = drm_of_find_panel_or_bridge(pdev->dev.of_node, 1, 0, NULL, &hdmi->next_bridge); + if (ret && ret != -ENODEV) + return ret; + + hdmi->mmio = msm_ioremap(pdev, "core_physical"); + if (IS_ERR(hdmi->mmio)) + return PTR_ERR(hdmi->mmio); + + /* HDCP needs physical address of hdmi register */ + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, + "core_physical"); + if (!res) return -EINVAL; + hdmi->mmio_phy_addr = res->start; + + hdmi->qfprom_mmio = msm_ioremap(pdev, "qfprom_physical"); + if (IS_ERR(hdmi->qfprom_mmio)) { + DRM_DEV_INFO(&pdev->dev, "can't find qfprom resource\n"); + hdmi->qfprom_mmio = NULL; } - msm_hdmi_audio_set_sample_rate(hdmi, rate); - msm_hdmi_audio_info_setup(hdmi, 1, chan, channel_allocation, - level_shift, down_mix); + hdmi->irq = platform_get_irq(pdev, 0); + if (hdmi->irq < 0) + return hdmi->irq; - return 0; -} + hdmi->pwr_regs = devm_kcalloc(&pdev->dev, + config->pwr_reg_cnt, + sizeof(hdmi->pwr_regs[0]), + GFP_KERNEL); + if (!hdmi->pwr_regs) + return -ENOMEM; -static void msm_hdmi_audio_shutdown(struct device *dev, void *data) -{ - struct hdmi *hdmi = dev_get_drvdata(dev); + for (i = 0; i < config->pwr_reg_cnt; i++) + hdmi->pwr_regs[i].supply = config->pwr_reg_names[i]; - msm_hdmi_audio_info_setup(hdmi, 0, 0, 0, 0, 0); -} + ret = devm_regulator_bulk_get(&pdev->dev, config->pwr_reg_cnt, hdmi->pwr_regs); + if (ret) + return dev_err_probe(dev, ret, "failed to get pwr regulators\n"); -static const struct hdmi_codec_ops msm_hdmi_audio_codec_ops = { - .hw_params = msm_hdmi_audio_hw_params, - .audio_shutdown = msm_hdmi_audio_shutdown, -}; + hdmi->pwr_clks = devm_kcalloc(&pdev->dev, + config->pwr_clk_cnt, + sizeof(hdmi->pwr_clks[0]), + GFP_KERNEL); + if (!hdmi->pwr_clks) + return -ENOMEM; -static struct hdmi_codec_pdata codec_data = { - .ops = &msm_hdmi_audio_codec_ops, - .max_i2s_channels = 8, - .i2s = 1, -}; + for (i = 0; i < config->pwr_clk_cnt; i++) + hdmi->pwr_clks[i].id = config->pwr_clk_names[i]; -static int msm_hdmi_register_audio_driver(struct hdmi *hdmi, struct device *dev) -{ - hdmi->audio_pdev = platform_device_register_data(dev, - HDMI_CODEC_DRV_NAME, - PLATFORM_DEVID_AUTO, - &codec_data, - sizeof(codec_data)); - return PTR_ERR_OR_ZERO(hdmi->audio_pdev); -} + ret = devm_clk_bulk_get(&pdev->dev, config->pwr_clk_cnt, hdmi->pwr_clks); + if (ret) + return ret; -static int msm_hdmi_bind(struct device *dev, struct device *master, void *data) -{ - struct drm_device *drm = dev_get_drvdata(master); - struct msm_drm_private *priv = drm->dev_private; - struct hdmi_platform_config *hdmi_cfg; - struct hdmi *hdmi; - struct device_node *of_node = dev->of_node; - int i, err; + hdmi->extp_clk = devm_clk_get_optional(&pdev->dev, "extp"); + if (IS_ERR(hdmi->extp_clk)) + return dev_err_probe(dev, PTR_ERR(hdmi->extp_clk), + "failed to get extp clock\n"); - hdmi_cfg = (struct hdmi_platform_config *) - of_device_get_match_data(dev); - if (!hdmi_cfg) { - DRM_DEV_ERROR(dev, "unknown hdmi_cfg: %pOFn\n", of_node); - return -ENXIO; - } + hdmi->hpd_gpiod = devm_gpiod_get_optional(&pdev->dev, "hpd", GPIOD_IN); + /* This will catch e.g. -EPROBE_DEFER */ + if (IS_ERR(hdmi->hpd_gpiod)) + return dev_err_probe(dev, PTR_ERR(hdmi->hpd_gpiod), + "failed to get hpd gpio\n"); - hdmi_cfg->mmio_name = "core_physical"; - hdmi_cfg->qfprom_mmio_name = "qfprom_physical"; + if (!hdmi->hpd_gpiod) + DBG("failed to get HPD gpio"); - for (i = 0; i < HDMI_MAX_NUM_GPIO; i++) { - hdmi_cfg->gpios[i].num = msm_hdmi_get_gpio(of_node, - msm_hdmi_gpio_pdata[i].name); - hdmi_cfg->gpios[i].output = msm_hdmi_gpio_pdata[i].output; - hdmi_cfg->gpios[i].value = msm_hdmi_gpio_pdata[i].value; - hdmi_cfg->gpios[i].label = msm_hdmi_gpio_pdata[i].label; + if (hdmi->hpd_gpiod) + gpiod_set_consumer_name(hdmi->hpd_gpiod, "HDMI_HPD"); + + ret = msm_hdmi_get_phy(hdmi); + if (ret) { + DRM_DEV_ERROR(&pdev->dev, "failed to get phy\n"); + return ret; } - dev->platform_data = hdmi_cfg; + ret = devm_pm_runtime_enable(&pdev->dev); + if (ret) + goto err_put_phy; - hdmi = msm_hdmi_init(to_platform_device(dev)); - if (IS_ERR(hdmi)) - return PTR_ERR(hdmi); - priv->hdmi = hdmi; + platform_set_drvdata(pdev, hdmi); - err = msm_hdmi_register_audio_driver(hdmi, dev); - if (err) { - DRM_ERROR("Failed to attach an audio codec %d\n", err); - hdmi->audio_pdev = NULL; - } + ret = component_add(&pdev->dev, &msm_hdmi_ops); + if (ret) + goto err_put_phy; return 0; + +err_put_phy: + msm_hdmi_put_phy(hdmi); + return ret; } -static void msm_hdmi_unbind(struct device *dev, struct device *master, - void *data) +static void msm_hdmi_dev_remove(struct platform_device *pdev) { - struct drm_device *drm = dev_get_drvdata(master); - struct msm_drm_private *priv = drm->dev_private; - if (priv->hdmi) { - if (priv->hdmi->audio_pdev) - platform_device_unregister(priv->hdmi->audio_pdev); - - msm_hdmi_destroy(priv->hdmi); - priv->hdmi = NULL; - } -} + struct hdmi *hdmi = dev_get_drvdata(&pdev->dev); -static const struct component_ops msm_hdmi_ops = { - .bind = msm_hdmi_bind, - .unbind = msm_hdmi_unbind, -}; + component_del(&pdev->dev, &msm_hdmi_ops); -static int msm_hdmi_dev_probe(struct platform_device *pdev) + msm_hdmi_put_phy(hdmi); +} + +static int msm_hdmi_runtime_suspend(struct device *dev) { - return component_add(&pdev->dev, &msm_hdmi_ops); + struct hdmi *hdmi = dev_get_drvdata(dev); + const struct hdmi_platform_config *config = hdmi->config; + + clk_bulk_disable_unprepare(config->pwr_clk_cnt, hdmi->pwr_clks); + + pinctrl_pm_select_sleep_state(dev); + + regulator_bulk_disable(config->pwr_reg_cnt, hdmi->pwr_regs); + + return 0; } -static int msm_hdmi_dev_remove(struct platform_device *pdev) +static int msm_hdmi_runtime_resume(struct device *dev) { - component_del(&pdev->dev, &msm_hdmi_ops); + struct hdmi *hdmi = dev_get_drvdata(dev); + const struct hdmi_platform_config *config = hdmi->config; + int ret; + + ret = regulator_bulk_enable(config->pwr_reg_cnt, hdmi->pwr_regs); + if (ret) + return ret; + + ret = pinctrl_pm_select_default_state(dev); + if (ret) + goto fail; + + ret = clk_bulk_prepare_enable(config->pwr_clk_cnt, hdmi->pwr_clks); + if (ret) + goto fail; + return 0; + +fail: + pinctrl_pm_select_sleep_state(dev); + + return ret; } +DEFINE_RUNTIME_DEV_PM_OPS(msm_hdmi_pm_ops, msm_hdmi_runtime_suspend, msm_hdmi_runtime_resume, NULL); + static const struct of_device_id msm_hdmi_dt_match[] = { - { .compatible = "qcom,hdmi-tx-8996", .data = &hdmi_tx_8996_config }, - { .compatible = "qcom,hdmi-tx-8994", .data = &hdmi_tx_8994_config }, - { .compatible = "qcom,hdmi-tx-8084", .data = &hdmi_tx_8084_config }, + { .compatible = "qcom,hdmi-tx-8998", .data = &hdmi_tx_8974_config }, + { .compatible = "qcom,hdmi-tx-8996", .data = &hdmi_tx_8974_config }, + { .compatible = "qcom,hdmi-tx-8994", .data = &hdmi_tx_8974_config }, + { .compatible = "qcom,hdmi-tx-8084", .data = &hdmi_tx_8974_config }, { .compatible = "qcom,hdmi-tx-8974", .data = &hdmi_tx_8974_config }, { .compatible = "qcom,hdmi-tx-8960", .data = &hdmi_tx_8960_config }, - { .compatible = "qcom,hdmi-tx-8660", .data = &hdmi_tx_8660_config }, + { .compatible = "qcom,hdmi-tx-8660", .data = &hdmi_tx_8960_config }, {} }; @@ -662,6 +448,7 @@ static struct platform_driver msm_hdmi_driver = { .driver = { .name = "hdmi_msm", .of_match_table = msm_hdmi_dt_match, + .pm = &msm_hdmi_pm_ops, }, }; |
