/* drivers/video/msm_fb/mddi_hw.h * * MSM MDDI Hardware Registers and Structures * * Copyright (C) 2007 QUALCOMM Incorporated * Copyright (C) 2007 Google Incorporated * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and * may be copied, distributed, and modified under those terms. * * 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. */ #ifndef _MDDI_HW_H_ #define _MDDI_HW_H_ #include #define MDDI_CMD 0x0000 #define MDDI_VERSION 0x0004 #define MDDI_PRI_PTR 0x0008 #define MDDI_SEC_PTR 0x000c #define MDDI_BPS 0x0010 #define MDDI_SPM 0x0014 #define MDDI_INT 0x0018 #define MDDI_INTEN 0x001c #define MDDI_REV_PTR 0x0020 #define MDDI_REV_SIZE 0x0024 #define MDDI_STAT 0x0028 #define MDDI_REV_RATE_DIV 0x002c #define MDDI_REV_CRC_ERR 0x0030 #define MDDI_TA1_LEN 0x0034 #define MDDI_TA2_LEN 0x0038 #define MDDI_TEST_BUS 0x003c #define MDDI_TEST 0x0040 #define MDDI_REV_PKT_CNT 0x0044 #define MDDI_DRIVE_HI 0x0048 #define MDDI_DRIVE_LO 0x004c #define MDDI_DISP_WAKE 0x0050 #define MDDI_REV_ENCAP_SZ 0x0054 #define MDDI_RTD_VAL 0x0058 #define MDDI_PAD_CTL 0x0068 #define MDDI_DRIVER_START_CNT 0x006c #define MDDI_NEXT_PRI_PTR 0x0070 #define MDDI_NEXT_SEC_PTR 0x0074 #define MDDI_MISR_CTL 0x0078 #define MDDI_MISR_DATA 0x007c #define MDDI_SF_CNT 0x0080 #define MDDI_MF_CNT 0x0084 #define MDDI_CURR_REV_PTR 0x0088 #define MDDI_CORE_VER 0x008c #define MDDI_INT_PRI_PTR_READ 0x0001 #define MDDI_INT_SEC_PTR_READ 0x0002 #define MDDI_INT_REV_DATA_AVAIL 0x0004 #define MDDI_INT_DISP_REQ 0x0008 #define MDDI_INT_PRI_UNDERFLOW 0x0010 #define MDDI_INT_SEC_UNDERFLOW 0x0020 #define MDDI_INT_REV_OVERFLOW 0x0040 #define MDDI_INT_CRC_ERROR 0x0080 #define MDDI_INT_MDDI_IN 0x0100 #define MDDI_INT_PRI_OVERWRITE 0x0200 #define MDDI_INT_SEC_OVERWRITE 0x0400 #define MDDI_INT_REV_OVERWRITE 0x0800 #define MDDI_INT_DMA_FAILURE 0x1000 #define MDDI_INT_LINK_ACTIVE 0x2000 #define MDDI_INT_IN_HIBERNATION 0x4000 #define MDDI_INT_PRI_LINK_LIST_DONE 0x8000 #define MDDI_INT_SEC_LINK_LIST_DONE 0x10000 #define MDDI_INT_NO_CMD_PKTS_PEND 0x20000 #define MDDI_INT_RTD_FAILURE 0x40000 #define MDDI_INT_REV_PKT_RECEIVED 0x80000 #define MDDI_INT_REV_PKTS_AVAIL 0x100000 #define MDDI_INT_NEED_CLEAR ( \ MDDI_INT_REV_DATA_AVAIL | \ MDDI_INT_PRI_UNDERFLOW | \ MDDI_INT_SEC_UNDERFLOW | \ MDDI_INT_REV_OVERFLOW | \ MDDI_INT_CRC_ERROR | \ MDDI_INT_REV_PKT_RECEIVED) #define MDDI_STAT_LINK_ACTIVE 0x0001 #define MDDI_STAT_NEW_REV_PTR 0x0002 #define MDDI_STAT_NEW_PRI_PTR 0x0004 #define MDDI_STAT_NEW_SEC_PTR 0x0008 #define MDDI_STAT_IN_HIBERNATION 0x0010 #define MDDI_STAT_PRI_LINK_LIST_DONE 0x0020 #define MDDI_STAT_SEC_LINK_LIST_DONE 0x0040 #define MDDI_STAT_PENDING_TIMING_PKT 0x0080 #define MDDI_STAT_PENDING_REV_ENCAP 0x0100 #define MDDI_STAT_PENDING_POWERDOWN 0x0200 #define MDDI_STAT_RTD_MEAS_FAIL 0x0800 #define MDDI_STAT_CLIENT_WAKEUP_REQ 0x1000 #define MDDI_CMD_POWERDOWN 0x0100 #define MDDI_CMD_POWERUP 0x0200 #define MDDI_CMD_HIBERNATE 0x0300 #define MDDI_CMD_RESET 0x0400 #define MDDI_CMD_DISP_IGNORE 0x0501 #define MDDI_CMD_DISP_LISTEN 0x0500 #define MDDI_CMD_SEND_REV_ENCAP 0x0600 #define MDDI_CMD_GET_CLIENT_CAP 0x0601 #define MDDI_CMD_GET_CLIENT_STATUS 0x0602 #define MDDI_CMD_SEND_RTD 0x0700 #define MDDI_CMD_LINK_ACTIVE 0x0900 #define MDDI_CMD_PERIODIC_REV_ENCAP 0x0A00 #define MDDI_CMD_FORCE_NEW_REV_PTR 0x0C00 #define MDDI_VIDEO_REV_PKT_SIZE 0x40 #define MDDI_CLIENT_CAPABILITY_REV_PKT_SIZE 0x60 #define MDDI_MAX_REV_PKT_SIZE 0x60 /* #define MDDI_REV_BUFFER_SIZE 128 */ #define MDDI_REV_BUFFER_SIZE (MDDI_MAX_REV_PKT_SIZE * 4) /* MDP sends 256 pixel packets, so lower value hibernates more without * significantly increasing latency of waiting for next subframe */ #define MDDI_HOST_BYTES_PER_SUBFRAME 0x3C00 #define MDDI_HOST_TA2_LEN 0x000c #define MDDI_HOST_REV_RATE_DIV 0x0002 struct __attribute__((packed)) mddi_rev_packet { uint16_t length; uint16_t type; uint16_t client_id; }; struct __attribute__((packed)) mddi_client_status { uint16_t length; uint16_t type; uint16_t client_id; uint16_t reverse_link_request; /* bytes needed in rev encap message */ uint8_t crc_error_count; uint8_t capability_change; uint16_t graphics_busy_flags; uint16_t crc16; }; struct __attribute__((packed)) mddi_client_caps { uint16_t length; /* length, exclusive of this field */ uint16_t type; /* 66 */ uint16_t client_id; uint16_t Protocol_Version; uint16_t Minimum_Protocol_Version; uint16_t Data_Rate_Capability; uint8_t Interface_Type_Capability; uint8_t Number_of_Alt_Displays; uint16_t PostCal_Data_Rate; uint16_t Bitmap_Width; uint16_t Bitmap_Height; uint16_t Display_Window_Width; uint16_t Display_Window_Height; uint32_t Color_Map_Size; uint16_t Color_Map_RGB_Width; uint16_t RGB_Capability; uint8_t Monochrome_Capability; uint8_t Reserved_1; uint16_t Y_Cb_Cr_Capability; uint16_t Bayer_Capability; uint16_t Alpha_Cursor_Image_Planes; uint32_t Client_Feature_Capability_Indicators; uint8_t Maximum_Video_Frame_Rate_Capability; uint8_t Minimum_Video_Frame_Rate_Capability; uint16_t Minimum_Sub_frame_Rate; uint16_t Audio_Buffer_Depth; uint16_t Audio_Channel_Capability; uint16_t Audio_Sample_Rate_Capability; uint8_t Audio_Sample_Resolution; uint8_t Mic_Audio_Sample_Resolution; uint16_t Mic_Sample_Rate_Capability; uint8_t Keyboard_Data_Format; uint8_t pointing_device_data_format; uint16_t content_protection_type; uint16_t Mfr_Name; uint16_t Product_Code; uint16_t Reserved_3; uint32_t Serial_Number; uint8_t Week_of_Manufacture; uint8_t Year_of_Manufacture; uint16_t crc16; } mddi_client_capability_type; struct __attribute__((packed)) mddi_video_stream { uint16_t length; uint16_t type; /* 16 */ uint16_t client_id; /* 0 */ uint16_t video_data_format_descriptor; /* format of each pixel in the Pixel Data in the present stream in the * present packet. * If bits [15:13] = 000 monochrome * If bits [15:13] = 001 color pixels (palette). * If bits [15:13] = 010 color pixels in raw RGB * If bits [15:13] = 011 data in 4:2:2 Y Cb Cr format * If bits [15:13] = 100 Bayer pixels */ uint16_t pixel_data_attributes; /* interpreted as follows: * Bits [1:0] = 11 pixel data is displayed to both eyes * Bits [1:0] = 10 pixel data is routed to the left eye only. * Bits [1:0] = 01 pixel data is routed to the right eye only. * Bits [1:0] = 00 pixel data is routed to the alternate display. * Bit 2 is 0 Pixel Data is in the standard progressive format. * Bit 2 is 1 Pixel Data is in interlace format. * Bit 3 is 0 Pixel Data is in the standard progressive format. * Bit 3 is 1 Pixel Data is in alternate pixel format. * Bit 4 is 0 Pixel Data is to or from the display frame buffer. * Bit 4 is 1 Pixel Data is to or from the camera. * Bit 5 is 0 pixel data contains the next consecutive row of pixels. * Bit 5 is 1 X Left Edge, Y Top Edge, X Right Edge, Y Bottom Edge, * X Start, and Y Start parameters are not defined and * shall be ignored by the client. * Bits [7:6] = 01 Pixel data is written to the offline image buffer. * Bits [7:6] = 00 Pixel data is written to the buffer to refresh display. * Bits [7:6] = 11 Pixel data is written to all image buffers. * Bits [7:6] = 10 Invalid. Reserved for future use. * Bits 8 through 11 alternate display number. * Bits 12 through 14 are reserved for future use and shall be set to zero. * Bit 15 is 1 the row of pixels is the last row of pixels in a frame. */ uint16_t x_left_edge; uint16_t y_top_edge; /* X,Y coordinate of the top left edge of the screen window */ uint16_t x_right_edge; uint16_t y_bottom_edge; /* X,Y coordinate of the bottom right edge of the window being * updated. */ uint16_t x_start; uint16_t y_start; /* (X Start, Y Start) is the first pixel in the Pixel Data field * below. */ uint16_t pixel_count; /* number of pixels in the Pixel Data field below. */ uint16_t parameter_CRC; /* 16-bit CRC of all bytes from the Packet Length to the Pixel Count. */ uint16_t reserved; /* 16-bit variable to make structure align on 4 byte boundary */ }; #define TYPE_VIDEO_STREAM 16 #define TYPE_CLIENT_CAPS 66 #define TYPE_REGISTER_ACCESS 146 #define TYPE_CLIENT_STATUS 70 struct __attribute__((packed)) mddi_register_access { uint16_t length; uint16_t type; /* 146 */ uint16_t client_id; uint16_t read_write_info; /* Bits 13:0 a 14-bit unsigned integer that specifies the number of * 32-bit Register Data List items to be transferred in the * Register Data List field. * Bits[15:14] = 00 Write to register(s); * Bits[15:14] = 10 Read from register(s); * Bits[15:14] = 11 Response to a Read. * Bits[15:14] = 01 this value is reserved for future use. */ #define MDDI_WRITE (0 << 14) #define MDDI_READ (2 << 14) #define MDDI_READ_RESP (3 << 14) uint32_t register_address; /* the register address that is to be written to or read from. */ uint16_t crc16; uint32_t register_data_list; /* list of 4-byte register data values for/from client registers */ }; struct __attribute__((packed)) mddi_llentry { uint16_t flags; uint16_t header_count; uint16_t data_count; dma_addr_t data; /* 32 bit */ struct mddi_llentry *next; uint16_t reserved; union { struct mddi_video_stream v; struct mddi_register_access r; uint32_t _[12]; } u; }; #endif