diff options
Diffstat (limited to 'drivers/gpu/drm/msm/hdmi/hdmi.h')
| -rw-r--r-- | drivers/gpu/drm/msm/hdmi/hdmi.h | 129 |
1 files changed, 51 insertions, 78 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h index accc9a61611d..02cfd46df594 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi.h +++ b/drivers/gpu/drm/msm/hdmi/hdmi.h @@ -1,18 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * 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/>. */ #ifndef __HDMI_CONNECTOR_H__ @@ -22,27 +11,21 @@ #include <linux/clk.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> +#include <linux/gpio/consumer.h> #include <linux/hdmi.h> +#include <drm/drm_bridge.h> + #include "msm_drv.h" #include "hdmi.xml.h" -#define HDMI_MAX_NUM_GPIO 6 - struct hdmi_phy; struct hdmi_platform_config; -struct hdmi_gpio_data { - int num; - bool output; - int value; - const char *label; -}; - struct hdmi_audio { bool enabled; - struct hdmi_audio_infoframe infoframe; int rate; + int channels; }; struct hdmi_hdcp_ctrl; @@ -50,7 +33,6 @@ struct hdmi_hdcp_ctrl; struct hdmi { struct drm_device *dev; struct platform_device *pdev; - struct platform_device *audio_pdev; const struct hdmi_platform_config *config; @@ -59,16 +41,19 @@ struct hdmi { /* video state: */ bool power_on; + bool hpd_enabled; + struct mutex state_mutex; /* protects two booleans */ unsigned long int pixclock; void __iomem *mmio; void __iomem *qfprom_mmio; phys_addr_t mmio_phy_addr; - struct regulator **hpd_regs; - struct regulator **pwr_regs; - struct clk **hpd_clks; - struct clk **pwr_clks; + struct regulator_bulk_data *pwr_regs; + struct clk_bulk_data *pwr_clks; + struct clk *extp_clk; + + struct gpio_desc *hpd_gpiod; struct hdmi_phy *phy; struct device *phy_dev; @@ -77,11 +62,11 @@ struct hdmi { struct drm_connector *connector; struct drm_bridge *bridge; + struct drm_bridge *next_bridge; + /* the encoder we are hooked to (outside of hdmi block) */ struct drm_encoder *encoder; - bool hdmi_mode; /* are we in hdmi mode? */ - int irq; struct workqueue_struct *workq; @@ -99,45 +84,37 @@ struct hdmi { /* platform config data (ie. from DT, or pdata) */ struct hdmi_platform_config { - const char *mmio_name; - const char *qfprom_mmio_name; - - /* regulators that need to be on for hpd: */ - const char **hpd_reg_names; - int hpd_reg_cnt; - /* regulators that need to be on for screen pwr: */ - const char **pwr_reg_names; + const char * const *pwr_reg_names; int pwr_reg_cnt; - /* clks that need to be on for hpd: */ - const char **hpd_clk_names; - const long unsigned *hpd_freq; - int hpd_clk_cnt; - - /* clks that need to be on for screen pwr (ie pixel clk): */ - const char **pwr_clk_names; + /* clks that need to be on: */ + const char * const *pwr_clk_names; int pwr_clk_cnt; +}; - /* gpio's: */ - struct hdmi_gpio_data gpios[HDMI_MAX_NUM_GPIO]; +struct hdmi_bridge { + struct drm_bridge base; + struct hdmi *hdmi; + struct work_struct hpd_work; }; +#define to_hdmi_bridge(x) container_of(x, struct hdmi_bridge, base) void msm_hdmi_set_mode(struct hdmi *hdmi, bool power_on); static inline void hdmi_write(struct hdmi *hdmi, u32 reg, u32 data) { - msm_writel(data, hdmi->mmio + reg); + writel(data, hdmi->mmio + reg); } static inline u32 hdmi_read(struct hdmi *hdmi, u32 reg) { - return msm_readl(hdmi->mmio + reg); + return readl(hdmi->mmio + reg); } static inline u32 hdmi_qfprom_read(struct hdmi *hdmi, u32 reg) { - return msm_readl(hdmi->qfprom_mmio + reg); + return readl(hdmi->qfprom_mmio + reg); } /* @@ -149,6 +126,7 @@ enum hdmi_phy_type { MSM_HDMI_PHY_8960, MSM_HDMI_PHY_8x74, MSM_HDMI_PHY_8996, + MSM_HDMI_PHY_8998, MSM_HDMI_PHY_MAX, }; @@ -166,24 +144,25 @@ extern const struct hdmi_phy_cfg msm_hdmi_phy_8x60_cfg; extern const struct hdmi_phy_cfg msm_hdmi_phy_8960_cfg; extern const struct hdmi_phy_cfg msm_hdmi_phy_8x74_cfg; extern const struct hdmi_phy_cfg msm_hdmi_phy_8996_cfg; +extern const struct hdmi_phy_cfg msm_hdmi_phy_8998_cfg; struct hdmi_phy { struct platform_device *pdev; void __iomem *mmio; struct hdmi_phy_cfg *cfg; const struct hdmi_phy_funcs *funcs; - struct regulator **regs; + struct regulator_bulk_data *regs; struct clk **clks; }; static inline void hdmi_phy_write(struct hdmi_phy *phy, u32 reg, u32 data) { - msm_writel(data, phy->mmio + reg); + writel(data, phy->mmio + reg); } static inline u32 hdmi_phy_read(struct hdmi_phy *phy, u32 reg) { - return msm_readl(phy->mmio + reg); + return readl(phy->mmio + reg); } int msm_hdmi_phy_resource_enable(struct hdmi_phy *phy); @@ -196,6 +175,7 @@ void __exit msm_hdmi_phy_driver_unregister(void); #ifdef CONFIG_COMMON_CLK int msm_hdmi_pll_8960_init(struct platform_device *pdev); int msm_hdmi_pll_8996_init(struct platform_device *pdev); +int msm_hdmi_pll_8998_init(struct platform_device *pdev); #else static inline int msm_hdmi_pll_8960_init(struct platform_device *pdev) { @@ -206,45 +186,38 @@ static inline int msm_hdmi_pll_8996_init(struct platform_device *pdev) { return -ENODEV; } + +static inline int msm_hdmi_pll_8998_init(struct platform_device *pdev) +{ + return -ENODEV; +} #endif /* * audio: */ -/* Supported HDMI Audio channels and rates */ -#define MSM_HDMI_AUDIO_CHANNEL_2 0 -#define MSM_HDMI_AUDIO_CHANNEL_4 1 -#define MSM_HDMI_AUDIO_CHANNEL_6 2 -#define MSM_HDMI_AUDIO_CHANNEL_8 3 - -#define HDMI_SAMPLE_RATE_32KHZ 0 -#define HDMI_SAMPLE_RATE_44_1KHZ 1 -#define HDMI_SAMPLE_RATE_48KHZ 2 -#define HDMI_SAMPLE_RATE_88_2KHZ 3 -#define HDMI_SAMPLE_RATE_96KHZ 4 -#define HDMI_SAMPLE_RATE_176_4KHZ 5 -#define HDMI_SAMPLE_RATE_192KHZ 6 +struct hdmi_codec_daifmt; +struct hdmi_codec_params; int msm_hdmi_audio_update(struct hdmi *hdmi); -int msm_hdmi_audio_info_setup(struct hdmi *hdmi, bool enabled, - uint32_t num_of_channels, uint32_t channel_allocation, - uint32_t level_shift, bool down_mix); -void msm_hdmi_audio_set_sample_rate(struct hdmi *hdmi, int rate); - +int msm_hdmi_bridge_audio_prepare(struct drm_bridge *bridge, + struct drm_connector *connector, + struct hdmi_codec_daifmt *daifmt, + struct hdmi_codec_params *params); +void msm_hdmi_bridge_audio_shutdown(struct drm_bridge *bridge, + struct drm_connector *connector); /* * hdmi bridge: */ -struct drm_bridge *msm_hdmi_bridge_init(struct hdmi *hdmi); -void msm_hdmi_bridge_destroy(struct drm_bridge *bridge); - -/* - * hdmi connector: - */ +int msm_hdmi_bridge_init(struct hdmi *hdmi); -void msm_hdmi_connector_irq(struct drm_connector *connector); -struct drm_connector *msm_hdmi_connector_init(struct hdmi *hdmi); +void msm_hdmi_hpd_irq(struct drm_bridge *bridge); +enum drm_connector_status msm_hdmi_bridge_detect( + struct drm_bridge *bridge, struct drm_connector *connector); +void msm_hdmi_hpd_enable(struct drm_bridge *bridge); +void msm_hdmi_hpd_disable(struct drm_bridge *bridge); /* * i2c adapter for ddc: |