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Diffstat (limited to 'include/video/mcde.h')
| -rw-r--r-- | include/video/mcde.h | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/include/video/mcde.h b/include/video/mcde.h new file mode 100644 index 00000000000..499ce5cfecc --- /dev/null +++ b/include/video/mcde.h @@ -0,0 +1,400 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * ST-Ericsson MCDE base driver + * + * Author: Marcus Lorentzon <marcus.xm.lorentzon@stericsson.com> + * for ST-Ericsson. + * + * License terms: GNU General Public License (GPL), version 2. + */ +#ifndef __MCDE__H__ +#define __MCDE__H__ + +/* Physical interface types */ +enum mcde_port_type { + MCDE_PORTTYPE_DSI = 0, + MCDE_PORTTYPE_DPI = 1, +}; + +/* Interface mode */ +enum mcde_port_mode { + MCDE_PORTMODE_CMD = 0, + MCDE_PORTMODE_VID = 1, +}; + +/* MCDE fifos */ +enum mcde_fifo { + MCDE_FIFO_A = 0, + MCDE_FIFO_B = 1, + MCDE_FIFO_C0 = 2, + MCDE_FIFO_C1 = 3, +}; + +/* MCDE channels (pixel pipelines) */ +enum mcde_chnl { + MCDE_CHNL_A = 0, + MCDE_CHNL_B = 1, + MCDE_CHNL_C0 = 2, + MCDE_CHNL_C1 = 3, +}; + +/* Update sync mode */ +enum mcde_sync_src { + MCDE_SYNCSRC_OFF = 0, /* No sync */ + MCDE_SYNCSRC_TE0 = 1, /* MCDE ext TE0 */ + MCDE_SYNCSRC_TE1 = 2, /* MCDE ext TE1 */ + MCDE_SYNCSRC_BTA = 3, /* DSI BTA */ + MCDE_SYNCSRC_TE_POLLING = 4, /* DSI TE_POLLING */ +}; + +/* Frame trig method */ +enum mcde_trig_method { + MCDE_TRIG_HW = 0, /* frame trig from MCDE formatter */ + MCDE_TRIG_SW = 1, /* frame trig from software */ +}; + +/* Interface pixel formats (output) */ +/* +* REVIEW: Define formats +* Add explanatory comments how the formats are ordered in memory +*/ +enum mcde_port_pix_fmt { + /* MIPI standard formats */ + + MCDE_PORTPIXFMT_DPI_16BPP_C1 = 0x21, + MCDE_PORTPIXFMT_DPI_16BPP_C2 = 0x22, + MCDE_PORTPIXFMT_DPI_16BPP_C3 = 0x23, + MCDE_PORTPIXFMT_DPI_18BPP_C1 = 0x24, + MCDE_PORTPIXFMT_DPI_18BPP_C2 = 0x25, + MCDE_PORTPIXFMT_DPI_24BPP = 0x26, + + MCDE_PORTPIXFMT_DSI_16BPP = 0x31, + MCDE_PORTPIXFMT_DSI_18BPP = 0x32, + MCDE_PORTPIXFMT_DSI_18BPP_PACKED = 0x33, + MCDE_PORTPIXFMT_DSI_24BPP = 0x34, + + /* Custom formats */ + MCDE_PORTPIXFMT_DSI_YCBCR422 = 0x40, +}; + +enum mcde_hdmi_sdtv_switch { + HDMI_SWITCH, + SDTV_SWITCH, + DVI_SWITCH +}; + +enum mcde_col_convert { + MCDE_CONVERT_RGB_2_RGB, + MCDE_CONVERT_RGB_2_YCBCR, + MCDE_CONVERT_YCBCR_2_RGB, + MCDE_CONVERT_YCBCR_2_YCBCR, +}; + +struct mcde_col_transform { + u16 matrix[3][3]; + u16 offset[3]; +}; + +/* DSI video mode */ +enum mcde_dsi_vid_mode { + NON_BURST_MODE_WITH_SYNC_EVENT = 0, + /* enables tvg, test video generator */ + NON_BURST_MODE_WITH_SYNC_EVENT_TVG_ENABLED = 1, + BURST_MODE_WITH_SYNC_EVENT = 2, + BURST_MODE_WITH_SYNC_PULSE = 3, +}; + +#define MCDE_PORT_DPI_NO_CLOCK_DIV 0 + +#define DPI_ACT_HIGH_ALL 0 /* all signals are active high */ +#define DPI_ACT_LOW_HSYNC 1 /* horizontal sync signal is active low */ +#define DPI_ACT_LOW_VSYNC 2 /* vertical sync signal is active low */ +#define DPI_ACT_LOW_DATA_ENABLE 4 /* data enable signal is active low */ +#define DPI_ACT_ON_FALLING_EDGE 8 /* drive data on the falling edge of the + * pixel clock + */ + +struct mcde_port { + enum mcde_port_type type; + enum mcde_port_mode mode; + enum mcde_port_pix_fmt pixel_format; + u8 refresh_rate; /* display refresh rate given in Hz */ + u8 ifc; + u8 link; + enum mcde_sync_src sync_src; + enum mcde_trig_method frame_trig; + bool update_auto_trig; + enum mcde_hdmi_sdtv_switch hdmi_sdtv_switch; + union { + struct { + u8 virt_id; + u8 num_data_lanes; + u8 ui; + bool clk_cont; + bool host_eot_gen; + + /* DSI video mode operating modes */ + enum mcde_dsi_vid_mode vid_mode; + + /* + * wakeup_time is the time to perform + * LP->HS on D-PHY. Given in clock + * cycles of byte clock frequency. + */ + u32 vid_wakeup_time; + + u32 hs_freq; + u32 lp_freq; + + /* DSI data lanes are swapped if true */ + bool data_lanes_swap; + } dsi; + struct { + u8 bus_width; + bool tv_mode; + u16 clock_div; /* use 0 or 1 for no clock divider */ + u32 polarity; /* see DPI_ACT_LOW_* definitions */ + u32 lcd_freq; + } dpi; + } phy; +}; + +/* Overlay pixel formats (input) *//* REVIEW: Define byte order */ +enum mcde_ovly_pix_fmt { + MCDE_OVLYPIXFMT_RGB565 = 1, + MCDE_OVLYPIXFMT_RGBA5551 = 2, + MCDE_OVLYPIXFMT_RGBA4444 = 3, + MCDE_OVLYPIXFMT_RGB888 = 4, + MCDE_OVLYPIXFMT_RGBX8888 = 5, + MCDE_OVLYPIXFMT_RGBA8888 = 6, + MCDE_OVLYPIXFMT_YCbCr422 = 7, +}; + +/* Display power modes */ +enum mcde_display_power_mode { + MCDE_DISPLAY_PM_OFF = 0, /* Power off */ + MCDE_DISPLAY_PM_STANDBY = 1, /* DCS sleep mode */ + MCDE_DISPLAY_PM_ON = 2, /* DCS normal mode, display on */ +}; + +/* Display rotation */ +enum mcde_display_rotation { + MCDE_DISPLAY_ROT_0 = 0, + MCDE_DISPLAY_ROT_90_CCW = 90, + MCDE_DISPLAY_ROT_180_CCW = 180, + MCDE_DISPLAY_ROT_270_CCW = 270, + MCDE_DISPLAY_ROT_90_CW = MCDE_DISPLAY_ROT_270_CCW, + MCDE_DISPLAY_ROT_180_CW = MCDE_DISPLAY_ROT_180_CCW, + MCDE_DISPLAY_ROT_270_CW = MCDE_DISPLAY_ROT_90_CCW, +}; + +/* REVIEW: Verify */ +#define MCDE_MIN_WIDTH 16 +#define MCDE_MIN_HEIGHT 16 +#define MCDE_MAX_WIDTH 2048 +#define MCDE_MAX_HEIGHT 2048 +#define MCDE_BUF_START_ALIGMENT 8 +#define MCDE_BUF_LINE_ALIGMENT 8 + +/* Tv-out defines */ +#define MCDE_CONFIG_TVOUT_BACKGROUND_LUMINANCE 0x83 +#define MCDE_CONFIG_TVOUT_BACKGROUND_CHROMINANCE_CB 0x9C +#define MCDE_CONFIG_TVOUT_BACKGROUND_CHROMINANCE_CR 0x2C + +/* In seconds */ +#define MCDE_AUTO_SYNC_WATCHDOG 5 + +/* DSI modes */ +#define DSI_VIDEO_MODE 0 +#define DSI_CMD_MODE 1 + +/* Video mode descriptor */ +struct mcde_video_mode { + u32 xres; + u32 yres; + u32 pixclock; /* pixel clock in ps (pico seconds) */ + u32 hbp; /* horizontal back porch: left margin (excl. hsync) */ + u32 hfp; /* horizontal front porch: right margin (excl. hsync) */ + u32 hsw; /* horizontal sync width */ + u32 vbp; /* vertical back porch: upper margin (excl. vsync) */ + u32 vfp; /* vertical front porch: lower margin (excl. vsync) */ + u32 vsw; /* vertical sync width*/ + bool interlaced; + bool force_update; /* when switching between hdmi and sdtv */ +}; + +struct mcde_rectangle { + u16 x; + u16 y; + u16 w; + u16 h; +}; + +struct mcde_overlay_info { + u32 paddr; + u32 *vaddr; + u16 stride; /* buffer line len in bytes */ + enum mcde_ovly_pix_fmt fmt; + + u16 src_x; + u16 src_y; + u16 dst_x; + u16 dst_y; + u16 dst_z; + u16 w; + u16 h; + struct mcde_rectangle dirty; +}; + +struct mcde_overlay { + struct kobject kobj; + struct list_head list; /* mcde_display_device.ovlys */ + + struct mcde_display_device *ddev; + struct mcde_overlay_info info; + struct mcde_ovly_state *state; +}; + +/* + * Three functions for mapping 8 bits colour channels on 12 bits colour + * channels. The colour channels (ch0, ch1, ch2) can represent (r, g, b) or + * (Y, Cb, Cr) respectively. + */ +struct mcde_palette_table { + u16 (*map_col_ch0)(u8); + u16 (*map_col_ch1)(u8); + u16 (*map_col_ch2)(u8); +}; + +struct mcde_chnl_state; + +struct mcde_chnl_state *mcde_chnl_get(enum mcde_chnl chnl_id, + enum mcde_fifo fifo, const struct mcde_port *port); +int mcde_chnl_set_pixel_format(struct mcde_chnl_state *chnl, + enum mcde_port_pix_fmt pix_fmt); +int mcde_chnl_set_palette(struct mcde_chnl_state *chnl, + struct mcde_palette_table *palette); +void mcde_chnl_set_col_convert(struct mcde_chnl_state *chnl, + struct mcde_col_transform *transform, + enum mcde_col_convert convert); +int mcde_chnl_set_video_mode(struct mcde_chnl_state *chnl, + struct mcde_video_mode *vmode); +/* TODO: Remove rotbuf* parameters when ESRAM allocator is implemented*/ +int mcde_chnl_set_rotation(struct mcde_chnl_state *chnl, + enum mcde_display_rotation rotation); +int mcde_chnl_set_power_mode(struct mcde_chnl_state *chnl, + enum mcde_display_power_mode power_mode); + +int mcde_chnl_apply(struct mcde_chnl_state *chnl); +int mcde_chnl_update(struct mcde_chnl_state *chnl, + struct mcde_rectangle *update_area, + bool tripple_buffer); +void mcde_chnl_put(struct mcde_chnl_state *chnl); + +void mcde_chnl_stop_flow(struct mcde_chnl_state *chnl); + +void mcde_chnl_enable(struct mcde_chnl_state *chnl); +void mcde_chnl_disable(struct mcde_chnl_state *chnl); + +/* MCDE overlay */ +struct mcde_ovly_state; + +struct mcde_ovly_state *mcde_ovly_get(struct mcde_chnl_state *chnl); +void mcde_ovly_set_source_buf(struct mcde_ovly_state *ovly, + u32 paddr); +void mcde_ovly_set_source_info(struct mcde_ovly_state *ovly, + u32 stride, enum mcde_ovly_pix_fmt pix_fmt); +void mcde_ovly_set_source_area(struct mcde_ovly_state *ovly, + u16 x, u16 y, u16 w, u16 h); +void mcde_ovly_set_dest_pos(struct mcde_ovly_state *ovly, + u16 x, u16 y, u8 z); +void mcde_ovly_apply(struct mcde_ovly_state *ovly); +void mcde_ovly_put(struct mcde_ovly_state *ovly); + +/* MCDE dsi */ + +#define DCS_CMD_ENTER_IDLE_MODE 0x39 +#define DCS_CMD_ENTER_INVERT_MODE 0x21 +#define DCS_CMD_ENTER_NORMAL_MODE 0x13 +#define DCS_CMD_ENTER_PARTIAL_MODE 0x12 +#define DCS_CMD_ENTER_SLEEP_MODE 0x10 +#define DCS_CMD_EXIT_IDLE_MODE 0x38 +#define DCS_CMD_EXIT_INVERT_MODE 0x20 +#define DCS_CMD_EXIT_SLEEP_MODE 0x11 +#define DCS_CMD_GET_ADDRESS_MODE 0x0B +#define DCS_CMD_GET_BLUE_CHANNEL 0x08 +#define DCS_CMD_GET_DIAGNOSTIC_RESULT 0x0F +#define DCS_CMD_GET_DISPLAY_MODE 0x0D +#define DCS_CMD_GET_GREEN_CHANNEL 0x07 +#define DCS_CMD_GET_PIXEL_FORMAT 0x0C +#define DCS_CMD_GET_POWER_MODE 0x0A +#define DCS_CMD_GET_RED_CHANNEL 0x06 +#define DCS_CMD_GET_SCANLINE 0x45 +#define DCS_CMD_GET_SIGNAL_MODE 0x0E +#define DCS_CMD_NOP 0x00 +#define DCS_CMD_READ_DDB_CONTINUE 0xA8 +#define DCS_CMD_READ_DDB_START 0xA1 +#define DCS_CMD_READ_MEMORY_CONTINE 0x3E +#define DCS_CMD_READ_MEMORY_START 0x2E +#define DCS_CMD_SET_ADDRESS_MODE 0x36 +#define DCS_CMD_SET_COLUMN_ADDRESS 0x2A +#define DCS_CMD_SET_DISPLAY_OFF 0x28 +#define DCS_CMD_SET_DISPLAY_ON 0x29 +#define DCS_CMD_SET_GAMMA_CURVE 0x26 +#define DCS_CMD_SET_PAGE_ADDRESS 0x2B +#define DCS_CMD_SET_PARTIAL_AREA 0x30 +#define DCS_CMD_SET_PIXEL_FORMAT 0x3A +#define DCS_CMD_SET_SCROLL_AREA 0x33 +#define DCS_CMD_SET_SCROLL_START 0x37 +#define DCS_CMD_SET_TEAR_OFF 0x34 +#define DCS_CMD_SET_TEAR_ON 0x35 +#define DCS_CMD_SET_TEAR_SCANLINE 0x44 +#define DCS_CMD_SOFT_RESET 0x01 +#define DCS_CMD_WRITE_LUT 0x2D +#define DCS_CMD_WRITE_CONTINUE 0x3C +#define DCS_CMD_WRITE_START 0x2C + +#define MCDE_MAX_DCS_READ 4 +#define MCDE_MAX_DSI_DIRECT_CMD_WRITE 15 + +int mcde_dsi_generic_write(struct mcde_chnl_state *chnl, u8* para, int len); +int mcde_dsi_dcs_write(struct mcde_chnl_state *chnl, + u8 cmd, u8 *data, int len); +int mcde_dsi_dcs_read(struct mcde_chnl_state *chnl, + u8 cmd, u32 *data, int *len); +int mcde_dsi_set_max_pkt_size(struct mcde_chnl_state *chnl); + +/* MCDE */ + +/* Driver data */ +#define MCDE_IRQ "MCDE IRQ" +#define MCDE_IO_AREA "MCDE I/O Area" + +struct mcde_platform_data { + /* DPI */ + u8 outmux[5]; /* MCDE_CONF0.OUTMUXx */ + u8 syncmux; /* MCDE_CONF0.SYNCMUXx */ + + /* TODO: Remove once ESRAM allocator is done */ + u32 rotbuf1; + u32 rotbuf2; + u32 rotbufsize; + + const char *regulator_vana_id; + const char *regulator_mcde_epod_id; + const char *regulator_esram_epod_id; + const char *clock_dsi_id; + const char *clock_dsi_lp_id; + const char *clock_dpi_id; + const char *clock_mcde_id; + + int (*platform_set_clocks)(void); + int (*platform_enable_dsipll)(void); + int (*platform_disable_dsipll)(void); +}; + +int mcde_init(void); +void mcde_exit(void); + +#endif /* __MCDE__H__ */ |