| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * HDMI driver definition for TI OMAP4 Processor. |
| * |
| * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/ |
| */ |
| |
| #ifndef _HDMI_H |
| #define _HDMI_H |
| |
| #include <linux/delay.h> |
| #include <linux/io.h> |
| #include <linux/platform_device.h> |
| #include <linux/hdmi.h> |
| #include <video/omapfb_dss.h> |
| #include <sound/omap-hdmi-audio.h> |
| |
| #include "dss.h" |
| |
| /* HDMI Wrapper */ |
| |
| #define HDMI_WP_REVISION 0x0 |
| #define HDMI_WP_SYSCONFIG 0x10 |
| #define HDMI_WP_IRQSTATUS_RAW 0x24 |
| #define HDMI_WP_IRQSTATUS 0x28 |
| #define HDMI_WP_IRQENABLE_SET 0x2C |
| #define HDMI_WP_IRQENABLE_CLR 0x30 |
| #define HDMI_WP_IRQWAKEEN 0x34 |
| #define HDMI_WP_PWR_CTRL 0x40 |
| #define HDMI_WP_DEBOUNCE 0x44 |
| #define HDMI_WP_VIDEO_CFG 0x50 |
| #define HDMI_WP_VIDEO_SIZE 0x60 |
| #define HDMI_WP_VIDEO_TIMING_H 0x68 |
| #define HDMI_WP_VIDEO_TIMING_V 0x6C |
| #define HDMI_WP_CLK 0x70 |
| #define HDMI_WP_AUDIO_CFG 0x80 |
| #define HDMI_WP_AUDIO_CFG2 0x84 |
| #define HDMI_WP_AUDIO_CTRL 0x88 |
| #define HDMI_WP_AUDIO_DATA 0x8C |
| |
| /* HDMI WP IRQ flags */ |
| #define HDMI_IRQ_CORE (1 << 0) |
| #define HDMI_IRQ_OCP_TIMEOUT (1 << 4) |
| #define HDMI_IRQ_AUDIO_FIFO_UNDERFLOW (1 << 8) |
| #define HDMI_IRQ_AUDIO_FIFO_OVERFLOW (1 << 9) |
| #define HDMI_IRQ_AUDIO_FIFO_SAMPLE_REQ (1 << 10) |
| #define HDMI_IRQ_VIDEO_VSYNC (1 << 16) |
| #define HDMI_IRQ_VIDEO_FRAME_DONE (1 << 17) |
| #define HDMI_IRQ_PHY_LINE5V_ASSERT (1 << 24) |
| #define HDMI_IRQ_LINK_CONNECT (1 << 25) |
| #define HDMI_IRQ_LINK_DISCONNECT (1 << 26) |
| #define HDMI_IRQ_PLL_LOCK (1 << 29) |
| #define HDMI_IRQ_PLL_UNLOCK (1 << 30) |
| #define HDMI_IRQ_PLL_RECAL (1 << 31) |
| |
| /* HDMI PLL */ |
| |
| #define PLLCTRL_PLL_CONTROL 0x0 |
| #define PLLCTRL_PLL_STATUS 0x4 |
| #define PLLCTRL_PLL_GO 0x8 |
| #define PLLCTRL_CFG1 0xC |
| #define PLLCTRL_CFG2 0x10 |
| #define PLLCTRL_CFG3 0x14 |
| #define PLLCTRL_SSC_CFG1 0x18 |
| #define PLLCTRL_SSC_CFG2 0x1C |
| #define PLLCTRL_CFG4 0x20 |
| |
| /* HDMI PHY */ |
| |
| #define HDMI_TXPHY_TX_CTRL 0x0 |
| #define HDMI_TXPHY_DIGITAL_CTRL 0x4 |
| #define HDMI_TXPHY_POWER_CTRL 0x8 |
| #define HDMI_TXPHY_PAD_CFG_CTRL 0xC |
| #define HDMI_TXPHY_BIST_CONTROL 0x1C |
| |
| enum hdmi_pll_pwr { |
| HDMI_PLLPWRCMD_ALLOFF = 0, |
| HDMI_PLLPWRCMD_PLLONLY = 1, |
| HDMI_PLLPWRCMD_BOTHON_ALLCLKS = 2, |
| HDMI_PLLPWRCMD_BOTHON_NOPHYCLK = 3 |
| }; |
| |
| enum hdmi_phy_pwr { |
| HDMI_PHYPWRCMD_OFF = 0, |
| HDMI_PHYPWRCMD_LDOON = 1, |
| HDMI_PHYPWRCMD_TXON = 2 |
| }; |
| |
| enum hdmi_core_hdmi_dvi { |
| HDMI_DVI = 0, |
| HDMI_HDMI = 1 |
| }; |
| |
| enum hdmi_packing_mode { |
| HDMI_PACK_10b_RGB_YUV444 = 0, |
| HDMI_PACK_24b_RGB_YUV444_YUV422 = 1, |
| HDMI_PACK_20b_YUV422 = 2, |
| HDMI_PACK_ALREADYPACKED = 7 |
| }; |
| |
| enum hdmi_stereo_channels { |
| HDMI_AUDIO_STEREO_NOCHANNELS = 0, |
| HDMI_AUDIO_STEREO_ONECHANNEL = 1, |
| HDMI_AUDIO_STEREO_TWOCHANNELS = 2, |
| HDMI_AUDIO_STEREO_THREECHANNELS = 3, |
| HDMI_AUDIO_STEREO_FOURCHANNELS = 4 |
| }; |
| |
| enum hdmi_audio_type { |
| HDMI_AUDIO_TYPE_LPCM = 0, |
| HDMI_AUDIO_TYPE_IEC = 1 |
| }; |
| |
| enum hdmi_audio_justify { |
| HDMI_AUDIO_JUSTIFY_LEFT = 0, |
| HDMI_AUDIO_JUSTIFY_RIGHT = 1 |
| }; |
| |
| enum hdmi_audio_sample_order { |
| HDMI_AUDIO_SAMPLE_RIGHT_FIRST = 0, |
| HDMI_AUDIO_SAMPLE_LEFT_FIRST = 1 |
| }; |
| |
| enum hdmi_audio_samples_perword { |
| HDMI_AUDIO_ONEWORD_ONESAMPLE = 0, |
| HDMI_AUDIO_ONEWORD_TWOSAMPLES = 1 |
| }; |
| |
| enum hdmi_audio_sample_size_omap { |
| HDMI_AUDIO_SAMPLE_16BITS = 0, |
| HDMI_AUDIO_SAMPLE_24BITS = 1 |
| }; |
| |
| enum hdmi_audio_transf_mode { |
| HDMI_AUDIO_TRANSF_DMA = 0, |
| HDMI_AUDIO_TRANSF_IRQ = 1 |
| }; |
| |
| enum hdmi_audio_blk_strt_end_sig { |
| HDMI_AUDIO_BLOCK_SIG_STARTEND_ON = 0, |
| HDMI_AUDIO_BLOCK_SIG_STARTEND_OFF = 1 |
| }; |
| |
| enum hdmi_core_audio_layout { |
| HDMI_AUDIO_LAYOUT_2CH = 0, |
| HDMI_AUDIO_LAYOUT_8CH = 1, |
| HDMI_AUDIO_LAYOUT_6CH = 2 |
| }; |
| |
| enum hdmi_core_cts_mode { |
| HDMI_AUDIO_CTS_MODE_HW = 0, |
| HDMI_AUDIO_CTS_MODE_SW = 1 |
| }; |
| |
| enum hdmi_audio_mclk_mode { |
| HDMI_AUDIO_MCLK_128FS = 0, |
| HDMI_AUDIO_MCLK_256FS = 1, |
| HDMI_AUDIO_MCLK_384FS = 2, |
| HDMI_AUDIO_MCLK_512FS = 3, |
| HDMI_AUDIO_MCLK_768FS = 4, |
| HDMI_AUDIO_MCLK_1024FS = 5, |
| HDMI_AUDIO_MCLK_1152FS = 6, |
| HDMI_AUDIO_MCLK_192FS = 7 |
| }; |
| |
| struct hdmi_video_format { |
| enum hdmi_packing_mode packing_mode; |
| u32 y_res; /* Line per panel */ |
| u32 x_res; /* pixel per line */ |
| }; |
| |
| struct hdmi_config { |
| struct omap_video_timings timings; |
| struct hdmi_avi_infoframe infoframe; |
| enum hdmi_core_hdmi_dvi hdmi_dvi_mode; |
| }; |
| |
| struct hdmi_audio_format { |
| enum hdmi_stereo_channels stereo_channels; |
| u8 active_chnnls_msk; |
| enum hdmi_audio_type type; |
| enum hdmi_audio_justify justification; |
| enum hdmi_audio_sample_order sample_order; |
| enum hdmi_audio_samples_perword samples_per_word; |
| enum hdmi_audio_sample_size_omap sample_size; |
| enum hdmi_audio_blk_strt_end_sig en_sig_blk_strt_end; |
| }; |
| |
| struct hdmi_audio_dma { |
| u8 transfer_size; |
| u8 block_size; |
| enum hdmi_audio_transf_mode mode; |
| u16 fifo_threshold; |
| }; |
| |
| struct hdmi_core_audio_i2s_config { |
| u8 in_length_bits; |
| u8 justification; |
| u8 sck_edge_mode; |
| u8 vbit; |
| u8 direction; |
| u8 shift; |
| u8 active_sds; |
| }; |
| |
| struct hdmi_core_audio_config { |
| struct hdmi_core_audio_i2s_config i2s_cfg; |
| struct snd_aes_iec958 *iec60958_cfg; |
| bool fs_override; |
| u32 n; |
| u32 cts; |
| u32 aud_par_busclk; |
| enum hdmi_core_audio_layout layout; |
| enum hdmi_core_cts_mode cts_mode; |
| bool use_mclk; |
| enum hdmi_audio_mclk_mode mclk_mode; |
| bool en_acr_pkt; |
| bool en_dsd_audio; |
| bool en_parallel_aud_input; |
| bool en_spdif; |
| }; |
| |
| struct hdmi_wp_data { |
| void __iomem *base; |
| phys_addr_t phys_base; |
| }; |
| |
| struct hdmi_pll_data { |
| struct dss_pll pll; |
| |
| void __iomem *base; |
| |
| struct hdmi_wp_data *wp; |
| }; |
| |
| struct hdmi_phy_data { |
| void __iomem *base; |
| |
| u8 lane_function[4]; |
| u8 lane_polarity[4]; |
| }; |
| |
| struct hdmi_core_data { |
| void __iomem *base; |
| }; |
| |
| static inline void hdmi_write_reg(void __iomem *base_addr, const u32 idx, |
| u32 val) |
| { |
| __raw_writel(val, base_addr + idx); |
| } |
| |
| static inline u32 hdmi_read_reg(void __iomem *base_addr, const u32 idx) |
| { |
| return __raw_readl(base_addr + idx); |
| } |
| |
| #define REG_FLD_MOD(base, idx, val, start, end) \ |
| hdmi_write_reg(base, idx, FLD_MOD(hdmi_read_reg(base, idx),\ |
| val, start, end)) |
| #define REG_GET(base, idx, start, end) \ |
| FLD_GET(hdmi_read_reg(base, idx), start, end) |
| |
| static inline int hdmi_wait_for_bit_change(void __iomem *base_addr, |
| const u32 idx, int b2, int b1, u32 val) |
| { |
| u32 t = 0, v; |
| while (val != (v = REG_GET(base_addr, idx, b2, b1))) { |
| if (t++ > 10000) |
| return v; |
| udelay(1); |
| } |
| return v; |
| } |
| |
| /* HDMI wrapper funcs */ |
| int hdmi_wp_video_start(struct hdmi_wp_data *wp); |
| void hdmi_wp_video_stop(struct hdmi_wp_data *wp); |
| void hdmi_wp_dump(struct hdmi_wp_data *wp, struct seq_file *s); |
| u32 hdmi_wp_get_irqstatus(struct hdmi_wp_data *wp); |
| void hdmi_wp_set_irqstatus(struct hdmi_wp_data *wp, u32 irqstatus); |
| void hdmi_wp_set_irqenable(struct hdmi_wp_data *wp, u32 mask); |
| void hdmi_wp_clear_irqenable(struct hdmi_wp_data *wp, u32 mask); |
| int hdmi_wp_set_phy_pwr(struct hdmi_wp_data *wp, enum hdmi_phy_pwr val); |
| int hdmi_wp_set_pll_pwr(struct hdmi_wp_data *wp, enum hdmi_pll_pwr val); |
| void hdmi_wp_video_config_format(struct hdmi_wp_data *wp, |
| struct hdmi_video_format *video_fmt); |
| void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp, |
| struct omap_video_timings *timings); |
| void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp, |
| struct omap_video_timings *timings); |
| void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt, |
| struct omap_video_timings *timings, struct hdmi_config *param); |
| int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp); |
| phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp); |
| |
| /* HDMI PLL funcs */ |
| void hdmi_pll_dump(struct hdmi_pll_data *pll, struct seq_file *s); |
| void hdmi_pll_compute(struct hdmi_pll_data *pll, |
| unsigned long target_tmds, struct dss_pll_clock_info *pi); |
| int hdmi_pll_init(struct platform_device *pdev, struct hdmi_pll_data *pll, |
| struct hdmi_wp_data *wp); |
| void hdmi_pll_uninit(struct hdmi_pll_data *hpll); |
| |
| /* HDMI PHY funcs */ |
| int hdmi_phy_configure(struct hdmi_phy_data *phy, unsigned long hfbitclk, |
| unsigned long lfbitclk); |
| void hdmi_phy_dump(struct hdmi_phy_data *phy, struct seq_file *s); |
| int hdmi_phy_init(struct platform_device *pdev, struct hdmi_phy_data *phy); |
| int hdmi_phy_parse_lanes(struct hdmi_phy_data *phy, const u32 *lanes); |
| |
| /* HDMI common funcs */ |
| int hdmi_parse_lanes_of(struct platform_device *pdev, struct device_node *ep, |
| struct hdmi_phy_data *phy); |
| |
| /* Audio funcs */ |
| int hdmi_compute_acr(u32 pclk, u32 sample_freq, u32 *n, u32 *cts); |
| int hdmi_wp_audio_enable(struct hdmi_wp_data *wp, bool enable); |
| int hdmi_wp_audio_core_req_enable(struct hdmi_wp_data *wp, bool enable); |
| void hdmi_wp_audio_config_format(struct hdmi_wp_data *wp, |
| struct hdmi_audio_format *aud_fmt); |
| void hdmi_wp_audio_config_dma(struct hdmi_wp_data *wp, |
| struct hdmi_audio_dma *aud_dma); |
| static inline bool hdmi_mode_has_audio(struct hdmi_config *cfg) |
| { |
| return cfg->hdmi_dvi_mode == HDMI_HDMI ? true : false; |
| } |
| |
| /* HDMI DRV data */ |
| struct omap_hdmi { |
| struct mutex lock; |
| struct platform_device *pdev; |
| |
| struct hdmi_wp_data wp; |
| struct hdmi_pll_data pll; |
| struct hdmi_phy_data phy; |
| struct hdmi_core_data core; |
| |
| struct hdmi_config cfg; |
| |
| struct regulator *vdda_reg; |
| |
| bool core_enabled; |
| |
| struct omap_dss_device output; |
| |
| struct platform_device *audio_pdev; |
| void (*audio_abort_cb)(struct device *dev); |
| int wp_idlemode; |
| |
| bool audio_configured; |
| struct omap_dss_audio audio_config; |
| |
| /* This lock should be taken when booleans bellow are touched. */ |
| spinlock_t audio_playing_lock; |
| bool audio_playing; |
| bool display_enabled; |
| }; |
| |
| #endif |