diff options
Diffstat (limited to 'drivers/video/omap2/dss/ti_hdmi.h')
| -rw-r--r-- | drivers/video/omap2/dss/ti_hdmi.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/ti_hdmi.h b/drivers/video/omap2/dss/ti_hdmi.h new file mode 100644 index 0000000..45215f4 --- /dev/null +++ b/drivers/video/omap2/dss/ti_hdmi.h @@ -0,0 +1,187 @@ +/* + * ti_hdmi.h + * + * HDMI driver definition for TI OMAP4, DM81xx, DM38xx Processor. + * + * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.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 _TI_HDMI_H +#define _TI_HDMI_H + +struct hdmi_ip_data; + +enum hdmi_pll_pwr { + HDMI_PLLPWRCMD_ALLOFF = 0, + HDMI_PLLPWRCMD_PLLONLY = 1, + HDMI_PLLPWRCMD_BOTHON_ALLCLKS = 2, + HDMI_PLLPWRCMD_BOTHON_NOPHYCLK = 3 +}; + +enum hdmi_core_hdmi_dvi { + HDMI_DVI = 0, + HDMI_HDMI = 1 +}; + +enum hdmi_clk_refsel { + HDMI_REFSEL_PCLK = 0, + HDMI_REFSEL_REF1 = 1, + HDMI_REFSEL_REF2 = 2, + HDMI_REFSEL_SYSCLK = 3 +}; + +struct hdmi_cm { + int code; + int mode; +}; + +struct hdmi_config { + struct omap_video_timings timings; + struct hdmi_cm cm; +}; + +/* HDMI PLL structure */ +struct hdmi_pll_info { + u16 regn; + u16 regm; + u32 regmf; + u16 regm2; + u16 regsd; + u16 dcofreq; + enum hdmi_clk_refsel refsel; +}; + +struct ti_hdmi_ip_ops { + + void (*video_configure)(struct hdmi_ip_data *ip_data); + + int (*phy_enable)(struct hdmi_ip_data *ip_data); + + void (*phy_disable)(struct hdmi_ip_data *ip_data); + + int (*read_edid)(struct hdmi_ip_data *ip_data, u8 *edid, int len); + + int (*pll_enable)(struct hdmi_ip_data *ip_data); + + void (*pll_disable)(struct hdmi_ip_data *ip_data); + + int (*video_enable)(struct hdmi_ip_data *ip_data); + + void (*video_disable)(struct hdmi_ip_data *ip_data); + + void (*dump_wrapper)(struct hdmi_ip_data *ip_data, struct seq_file *s); + + void (*dump_core)(struct hdmi_ip_data *ip_data, struct seq_file *s); + + void (*dump_pll)(struct hdmi_ip_data *ip_data, struct seq_file *s); + + void (*dump_phy)(struct hdmi_ip_data *ip_data, struct seq_file *s); + +#if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO) + int (*audio_enable)(struct hdmi_ip_data *ip_data); + + void (*audio_disable)(struct hdmi_ip_data *ip_data); + + int (*audio_start)(struct hdmi_ip_data *ip_data); + + void (*audio_stop)(struct hdmi_ip_data *ip_data); + + int (*audio_config)(struct hdmi_ip_data *ip_data, + struct omap_dss_audio *audio); + + int (*audio_get_dma_port)(u32 *offset, u32 *size); +#endif + +}; + +/* + * Refer to section 8.2 in HDMI 1.3 specification for + * details about infoframe databytes + */ +struct hdmi_core_infoframe_avi { + /* Y0, Y1 rgb,yCbCr */ + u8 db1_format; + /* A0 Active information Present */ + u8 db1_active_info; + /* B0, B1 Bar info data valid */ + u8 db1_bar_info_dv; + /* S0, S1 scan information */ + u8 db1_scan_info; + /* C0, C1 colorimetry */ + u8 db2_colorimetry; + /* M0, M1 Aspect ratio (4:3, 16:9) */ + u8 db2_aspect_ratio; + /* R0...R3 Active format aspect ratio */ + u8 db2_active_fmt_ar; + /* ITC IT content. */ + u8 db3_itc; + /* EC0, EC1, EC2 Extended colorimetry */ + u8 db3_ec; + /* Q1, Q0 Quantization range */ + u8 db3_q_range; + /* SC1, SC0 Non-uniform picture scaling */ + u8 db3_nup_scaling; + /* VIC0..6 Video format identification */ + u8 db4_videocode; + /* PR0..PR3 Pixel repetition factor */ + u8 db5_pixel_repeat; + /* Line number end of top bar */ + u16 db6_7_line_eoftop; + /* Line number start of bottom bar */ + u16 db8_9_line_sofbottom; + /* Pixel number end of left bar */ + u16 db10_11_pixel_eofleft; + /* Pixel number start of right bar */ + u16 db12_13_pixel_sofright; +}; + +struct hdmi_ip_data { + void __iomem *base_wp; /* HDMI wrapper */ + unsigned long core_sys_offset; + unsigned long core_av_offset; + unsigned long pll_offset; + unsigned long phy_offset; + int irq; + const struct ti_hdmi_ip_ops *ops; + struct hdmi_config cfg; + struct hdmi_pll_info pll_data; + struct hdmi_core_infoframe_avi avi_cfg; + + /* ti_hdmi_4xxx_ip private data. These should be in a separate struct */ + struct mutex lock; +}; +int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data); +void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data); +int ti_hdmi_4xxx_read_edid(struct hdmi_ip_data *ip_data, u8 *edid, int len); +int ti_hdmi_4xxx_wp_video_start(struct hdmi_ip_data *ip_data); +void ti_hdmi_4xxx_wp_video_stop(struct hdmi_ip_data *ip_data); +int ti_hdmi_4xxx_pll_enable(struct hdmi_ip_data *ip_data); +void ti_hdmi_4xxx_pll_disable(struct hdmi_ip_data *ip_data); +void ti_hdmi_4xxx_basic_configure(struct hdmi_ip_data *ip_data); +void ti_hdmi_4xxx_wp_dump(struct hdmi_ip_data *ip_data, struct seq_file *s); +void ti_hdmi_4xxx_pll_dump(struct hdmi_ip_data *ip_data, struct seq_file *s); +void ti_hdmi_4xxx_core_dump(struct hdmi_ip_data *ip_data, struct seq_file *s); +void ti_hdmi_4xxx_phy_dump(struct hdmi_ip_data *ip_data, struct seq_file *s); +#if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO) +int hdmi_compute_acr(u32 sample_freq, u32 *n, u32 *cts); +int ti_hdmi_4xxx_wp_audio_enable(struct hdmi_ip_data *ip_data); +void ti_hdmi_4xxx_wp_audio_disable(struct hdmi_ip_data *ip_data); +int ti_hdmi_4xxx_audio_start(struct hdmi_ip_data *ip_data); +void ti_hdmi_4xxx_audio_stop(struct hdmi_ip_data *ip_data); +int ti_hdmi_4xxx_audio_config(struct hdmi_ip_data *ip_data, + struct omap_dss_audio *audio); +int ti_hdmi_4xxx_audio_get_dma_port(u32 *offset, u32 *size); +#endif +#endif |