drivers/video/rockchip/hdmi/rk_hdmi.h

   1 #ifndef __RK_HDMI_H__
   2 #define __RK_HDMI_H__
   3
   4 #include <linux/kernel.h>
   5 #include <linux/fb.h>
   6 #include <linux/spinlock.h>
   7 #include <linux/mutex.h>
   8 #include <linux/device.h>
   9 #include <linux/workqueue.h>
  10 #include <linux/display-sys.h>
  11 #ifdef CONFIG_SWITCH
  12 #include <linux/switch.h>
  13 #endif
  14 #ifdef CONFIG_HAS_EARLYSUSPEND
  15 #include <linux/earlysuspend.h>
  16 #endif
  17 #include <asm/atomic.h>
  18 #include<linux/rk_screen.h>
  19 #include <linux/rk_fb.h>
  20
  21 /* default HDMI output video mode */
  22 #define HDMI_VIDEO_DEFAULT_MODE                 HDMI_1280x720p_60Hz//HDMI_1920x1080p_60Hz
  23
  24 // HDMI video source
  25 enum {
  26         HDMI_SOURCE_LCDC0 = 0,
  27         HDMI_SOURCE_LCDC1 = 1
  28 };
  29
  30 /* default HDMI video source */
  31 #ifdef CONFIG_ARCH_RK2928
  32 #define HDMI_SOURCE_DEFAULT             HDMI_SOURCE_LCDC0
  33 #else
  34 #define HDMI_SOURCE_DEFAULT             HDMI_SOURCE_LCDC1
  35 #endif
  36 /* If HDMI_ENABLE, system will auto configure output mode according to EDID
  37  * If HDMI_DISABLE, system will output mode according to macro HDMI_VIDEO_DEFAULT_MODE
  38  */
  39 #define HDMI_AUTO_CONFIGURE                     HDMI_ENABLE
  40
  41 /* default HDMI output audio mode */
  42 #define HDMI_AUDIO_DEFAULT_CHANNEL              2
  43 #define HDMI_AUDIO_DEFAULT_RATE                 HDMI_AUDIO_FS_44100
  44 #define HDMI_AUDIO_DEFAULT_WORD_LENGTH  HDMI_AUDIO_WORD_LENGTH_16bit
  45 enum {
  46         VIDEO_INPUT_RGB_YCBCR_444 = 0,
  47         VIDEO_INPUT_YCBCR422,
  48         VIDEO_INPUT_YCBCR422_EMBEDDED_SYNC,
  49         VIDEO_INPUT_2X_CLOCK,
  50         VIDEO_INPUT_2X_CLOCK_EMBEDDED_SYNC,
  51         VIDEO_INPUT_RGB444_DDR,
  52         VIDEO_INPUT_YCBCR422_DDR
  53 };
  54 enum {
  55         VIDEO_OUTPUT_RGB444 = 0,
  56         VIDEO_OUTPUT_YCBCR444,
  57         VIDEO_OUTPUT_YCBCR422
  58 };
  59 enum {
  60         VIDEO_INPUT_COLOR_RGB = 0,
  61         VIDEO_INPUT_COLOR_YCBCR
  62 };
  63 /********************************************************************
  64 **                          ½á¹¹¶¨Òå                                *
  65 ********************************************************************/
  66 /* HDMI video mode code according CEA-861-E*/
  67 enum hdmi_video_mode
  68 {
  69         HDMI_640x480p_60Hz = 1,
  70         HDMI_720x480p_60Hz_4_3,
  71         HDMI_720x480p_60Hz_16_9,
  72         HDMI_1280x720p_60Hz,
  73         HDMI_1920x1080i_60Hz,           //5
  74         HDMI_720x480i_60Hz_4_3,
  75         HDMI_720x480i_60Hz_16_9,
  76         HDMI_720x240p_60Hz_4_3,
  77         HDMI_720x240p_60Hz_16_9,
  78         HDMI_2880x480i_60Hz_4_3,        //10
  79         HDMI_2880x480i_60Hz_16_9,
  80         HDMI_2880x240p_60Hz_4_3,
  81         HDMI_2880x240p_60Hz_16_9,
  82         HDMI_1440x480p_60Hz_4_3,
  83         HDMI_1440x480p_60Hz_16_9,       //15
  84         HDMI_1920x1080p_60Hz,
  85         HDMI_720x576p_50Hz_4_3,
  86         HDMI_720x576p_50Hz_16_9,
  87         HDMI_1280x720p_50Hz,
  88         HDMI_1920x1080i_50Hz,           //20
  89         HDMI_720x576i_50Hz_4_3,
  90         HDMI_720x576i_50Hz_16_9,
  91         HDMI_720x288p_50Hz_4_3,
  92         HDMI_720x288p_50Hz_16_9,
  93         HDMI_2880x576i_50Hz_4_3,        //25
  94         HDMI_2880x576i_50Hz_16_9,
  95         HDMI_2880x288p_50Hz_4_3,
  96         HDMI_2880x288p_50Hz_16_9,
  97         HDMI_1440x576p_50Hz_4_3,
  98         HDMI_1440x576p_50Hz_16_9,       //30
  99         HDMI_1920x1080p_50Hz,
 100         HDMI_1920x1080p_24Hz,
 101         HDMI_1920x1080p_25Hz,
 102         HDMI_1920x1080p_30Hz,
 103         HDMI_2880x480p_60Hz_4_3,        //35
 104         HDMI_2880x480p_60Hz_16_9,
 105         HDMI_2880x576p_50Hz_4_3,
 106         HDMI_2880x576p_50Hz_16_9,
 107         HDMI_1920x1080i_50Hz_2,         // V Line 1250 total
 108         HDMI_1920x1080i_100Hz,          //40
 109         HDMI_1280x720p_100Hz,
 110         HDMI_720x576p_100Hz_4_3,
 111         HDMI_720x576p_100Hz_16_9,
 112         HDMI_720x576i_100Hz_4_3,
 113         HDMI_720x576i_100Hz_16_9,       //45
 114         HDMI_1920x1080i_120Hz,
 115         HDMI_1280x720p_120Hz,
 116         HDMI_720x480p_120Hz_4_3,
 117         HDMI_720x480p_120Hz_16_9,
 118         HDMI_720x480i_120Hz_4_3,        //50
 119         HDMI_720x480i_120Hz_16_9,
 120         HDMI_720x576p_200Hz_4_3,
 121         HDMI_720x576p_200Hz_16_9,
 122         HDMI_720x576i_200Hz_4_3,
 123         HDMI_720x576i_200Hz_16_9,       //55
 124         HDMI_720x480p_240Hz_4_3,
 125         HDMI_720x480p_240Hz_16_9,
 126         HDMI_720x480i_240Hz_4_3,
 127         HDMI_720x480i_240Hz_16_9,
 128         HDMI_1280x720p_24Hz,            //60
 129         HDMI_1280x720p_25Hz,
 130         HDMI_1280x720p_30Hz,
 131         HDMI_1920x1080p_120Hz,
 132         HDMI_1920x1080p_100Hz,
 133 };
 134
 135 /* HDMI Video Data Color Mode */
 136 enum {
 137         HDMI_COLOR_RGB = 0,
 138         HDMI_COLOR_YCbCr422,
 139         HDMI_COLOR_YCbCr444
 140 };
 141
 142 /* HDMI Audio type */
 143 enum hdmi_audio_type
 144 {
 145         HDMI_AUDIO_LPCM = 1,
 146         HDMI_AUDIO_AC3,
 147         HDMI_AUDIO_MPEG1,
 148         HDMI_AUDIO_MP3,
 149         HDMI_AUDIO_MPEG2,
 150         HDMI_AUDIO_AAC_LC,              //AAC
 151         HDMI_AUDIO_DTS,
 152         HDMI_AUDIO_ATARC,
 153         HDMI_AUDIO_DSD,                 //One bit Audio
 154         HDMI_AUDIO_E_AC3,
 155         HDMI_AUDIO_DTS_HD,
 156         HDMI_AUDIO_MLP,
 157         HDMI_AUDIO_DST,
 158         HDMI_AUDIO_WMA_PRO
 159 };
 160
 161 /* I2S Fs */
 162 enum hdmi_audio_fs {
 163         HDMI_AUDIO_FS_32000  = 0x1,
 164         HDMI_AUDIO_FS_44100  = 0x2,
 165         HDMI_AUDIO_FS_48000  = 0x4,
 166         HDMI_AUDIO_FS_88200  = 0x8,
 167         HDMI_AUDIO_FS_96000  = 0x10,
 168         HDMI_AUDIO_FS_176400 = 0x20,
 169         HDMI_AUDIO_FS_192000 = 0x40
 170 };
 171
 172 /* Audio Word Length */
 173 enum hdmi_audio_word_length {
 174         HDMI_AUDIO_WORD_LENGTH_16bit = 0x1,
 175         HDMI_AUDIO_WORD_LENGTH_20bit = 0x2,
 176         HDMI_AUDIO_WORD_LENGTH_24bit = 0x4
 177 };
 178
 179 /* EDID block size */
 180 #define HDMI_EDID_BLOCK_SIZE    128
 181
 182 // HDMI state machine
 183 enum hdmi_state{
 184         HDMI_SLEEP = 0,
 185         HDMI_INITIAL,
 186         WAIT_HOTPLUG,
 187         READ_PARSE_EDID,
 188         WAIT_HDMI_ENABLE,
 189         SYSTEM_CONFIG,
 190         CONFIG_VIDEO,
 191         CONFIG_AUDIO,
 192         PLAY_BACK,
 193 };
 194
 195 // HDMI configuration command
 196 enum hdmi_change {
 197         HDMI_CONFIG_NONE = 0,
 198         HDMI_CONFIG_VIDEO,
 199         HDMI_CONFIG_AUDIO,
 200         HDMI_CONFIG_COLOR,
 201         HDMI_CONFIG_HDCP,
 202         HDMI_CONFIG_ENABLE,
 203         HDMI_CONFIG_DISABLE,
 204         HDMI_CONFIG_DISPLAY
 205 };
 206
 207 // HDMI Hotplug status
 208 enum {
 209         HDMI_HPD_REMOVED = 0,
 210         HDMI_HPD_INSERT,
 211         HDMI_HPD_ACTIVED
 212 };
 213
 214 /* HDMI STATUS */
 215 #define HDMI_DISABLE    0
 216 #define HDMI_ENABLE             1
 217 #define HDMI_UNKOWN             0xFF
 218
 219 /* HDMI Error Code */
 220 enum hdmi_errorcode
 221 {
 222         HDMI_ERROR_SUCESS = 0,
 223         HDMI_ERROR_FALSE,
 224         HDMI_ERROR_I2C,
 225         HDMI_ERROR_EDID,
 226 };
 227
 228 /* HDMI audio parameters */
 229 struct hdmi_audio {
 230         u32 type;                                                       //Audio type
 231         u32     channel;                                                //Audio channel number
 232         u32     rate;                                                   //Audio sampling rate
 233         u32     word_length;                                    //Audio data word length
 234 };
 235
 236 struct hdmi_edid {
 237         unsigned char sink_hdmi;                        //HDMI display device flag
 238         unsigned char ycbcr444;                         //Display device support YCbCr444
 239         unsigned char ycbcr422;                         //Display device support YCbCr422
 240         unsigned char deepcolor;                        //bit3:DC_48bit; bit2:DC_36bit; bit1:DC_30bit; bit0:DC_Y444;
 241         struct fb_monspecs      *specs;                 //Device spec
 242         struct list_head modelist;                      //Device supported display mode list
 243         struct hdmi_audio *audio;                       //Device supported audio info
 244         int     audio_num;                                              //Device supported audio type number
 245 };
 246
 247 extern const struct fb_videomode hdmi_mode[];
 248 /* RK HDMI Video Configure Parameters */
 249 struct hdmi_video_para {
 250         int vic;
 251         int input_mode;         //input video data interface
 252         int input_color;        //input video color mode
 253         int output_mode;        //output hdmi or dvi
 254         int output_color;       //output video color mode
 255 };
 256 struct hdmi {
 257         struct device   *dev;
 258         struct clk              *hclk;                          //HDMI AHP clk
 259         int             id;
 260         int                     regbase;
 261         int                             irq;
 262         int                             regbase_phy;
 263         int                             regsize_phy;
 264         struct rk_lcdc_device_driver *lcdc;
 265
 266         #ifdef CONFIG_SWITCH
 267         struct switch_dev       switch_hdmi;
 268         #endif
 269
 270         struct workqueue_struct *workqueue;
 271         struct delayed_work delay_work;
 272
 273         spinlock_t      irq_lock;
 274         struct mutex enable_mutex;
 275
 276         int wait;
 277         struct completion       complete;
 278
 279         int suspend;
 280 #ifdef CONFIG_HAS_EARLYSUSPEND
 281         struct early_suspend    early_suspend;
 282 #endif
 283
 284         struct hdmi_edid edid;
 285         int enable;                                     // Enable HDMI output or not
 286         int vic;                                        // HDMI output video mode code
 287         struct hdmi_audio audio;        // HDMI output audio type.
 288
 289         int pwr_mode;                           // power mode
 290         int hotplug;                            // hot plug status
 291         int state;                                      // hdmi state machine status
 292         int autoconfig;                         // if true, auto config hdmi output mode according to EDID.
 293         int command;                            // HDMI configuration command
 294         int display;                            // HDMI display status
 295         int xscale;                                     // x direction scale value
 296         int yscale;                                     // y directoon scale value
 297         int tmdsclk;                            // TDMS Clock frequency
 298
 299
 300         int (*hdmi_removed)(void);
 301         void (*control_output)(int enable);
 302         int (*config_video)(struct hdmi_video_para *vpara);
 303         int (*config_audio)(struct hdmi_audio *audio);
 304         int (*detect_hotplug)(void);
 305         // call back for edid
 306         int (*read_edid)(int block, unsigned char *buff);
 307
 308         // call back for hdcp operatoion
 309         void (*hdcp_cb)(void);
 310         void (*hdcp_irq_cb)(int);
 311         int (*hdcp_power_on_cb)(void);
 312         void (*hdcp_power_off_cb)(void);
 313 };
 314
 315 #define hdmi_err(dev, format, arg...)           \
 316         dev_printk(KERN_ERR , dev , format , ## arg)
 317
 318 #ifdef HDMI_DEBUG
 319 #define hdmi_dbg(dev, format, arg...)           \
 320         dev_printk(KERN_INFO , dev , format , ## arg)
 321 #else
 322 #define hdmi_dbg(dev, format, arg...)
 323 #endif
 324
 325 extern struct hdmi *hdmi;
 326 extern struct hdmi *hdmi_register(int extra);
 327 extern void hdmi_unregister(struct hdmi *hdmi);
 328 extern int hdmi_get_hotplug(void);
 329 extern int hdmi_set_info(struct rk29fb_screen *screen, unsigned int vic);
 330 extern void hdmi_init_lcdc(struct rk29fb_screen *screen, struct rk29lcd_info *lcd_info);
 331 extern int hdmi_sys_init(void);
 332 extern int hdmi_sys_parse_edid(struct hdmi* hdmi);
 333 extern const char *hdmi_get_video_mode_name(unsigned char vic);
 334 extern int hdmi_videomode_to_vic(struct fb_videomode *vmode);
 335 extern const struct fb_videomode* hdmi_vic_to_videomode(int vic);
 336 extern int hdmi_add_videomode(const struct fb_videomode *mode, struct list_head *head);
 337 extern struct hdmi_video_timing * hdmi_find_mode(int vic);
 338 extern int hdmi_find_best_mode(struct hdmi* hdmi, int vic);
 339 extern int hdmi_ouputmode_select(struct hdmi *hdmi, int edid_ok);
 340 extern int hdmi_switch_fb(struct hdmi *hdmi, int vic);
 341 extern void hdmi_sys_remove(void);
 342
 343 #endif