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