/*
* 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
#include <linux/platform_device.h>
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_clk_refsel {
HDMI_REFSEL_PCLK = 0,
HDMI_REFSEL_REF1 = 1,
HDMI_REFSEL_REF2 = 2,
HDMI_REFSEL_SYSCLK = 3
};
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 {
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
};
struct hdmi_cm {
int code;
int mode;
};
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_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 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 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;
};
/*
* 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_wp_data {
void __iomem *base;
};
struct hdmi_pll_data {
void __iomem *base;
struct hdmi_pll_info info;
};
struct hdmi_phy_data {
void __iomem *base;
int irq;
};
struct hdmi_core_data {
void __iomem *base;
struct hdmi_core_infoframe_avi avi_cfg;
};
/* 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);
/* HDMI PLL funcs */
int hdmi_pll_enable(struct hdmi_pll_data *pll, struct hdmi_wp_data *wp);
void hdmi_pll_disable(struct hdmi_pll_data *pll, struct hdmi_wp_data *wp);
void hdmi_pll_dump(struct hdmi_pll_data *pll, struct seq_file *s);
void hdmi_pll_compute(struct hdmi_pll_data *pll, unsigned long clkin, int phy);
int hdmi_pll_init(struct platform_device *pdev, struct hdmi_pll_data *pll);
/* HDMI PHY funcs */
int hdmi_phy_enable(struct hdmi_phy_data *phy, struct hdmi_wp_data *wp,
struct hdmi_config *cfg);
void hdmi_phy_disable(struct hdmi_phy_data *phy, struct hdmi_wp_data *wp);
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);
#if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO)
int hdmi_compute_acr(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);
#endif
#endif
