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