epson1356fb.h
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上传日期:2013-04-10
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- /*
- * epson1356fb.h -- Epson SED1356 Framebuffer Driver
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * stevel@mvista.com or source@mvista.com
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- #ifdef E1356FB_DEBUG
- #define DPRINTK(a,b...) printk(KERN_DEBUG "e1356fb: %s: " a, __FUNCTION__ , ## b)
- #else
- #define DPRINTK(a,b...)
- #endif
- #define E1356_REG_SIZE 0x200000
- #define PICOS2KHZ(a) (1000000000UL/(a))
- #define KHZ2PICOS(a) (1000000000UL/(a))
- #define MAX_PIXCLOCK 40000 // KHz
- #define NTSC_PIXCLOCK 14318 // KHz
- #define PAL_PIXCLOCK 17734 // KHz
- /*
- * Maximum percent errors between desired pixel clock and
- * supported pixel clock. Lower-than and higher-than desired
- * clock percent errors.
- */
- #define MAX_PCLK_ERROR_LOWER 10
- #define MAX_PCLK_ERROR_HIGHER -1
- #define fontwidth_x8(p) (((fontwidth(p) + 7) >> 3) << 3)
- /*
- * Register Structures
- */
- // Basic
- #define REG_BASE_BASIC 0x00
- typedef struct {
- u8 rev_code; // 00
- u8 misc; // 01
- } reg_basic_t;
- // General IO Pins
- #define REG_BASE_GENIO 0x04
- typedef struct {
- u8 gpio_cfg; // 04
- u8 gpio_cfg2; // 05 SED13806
- u8 spacer[2]; // 06
- u8 gpio_ctrl; // 08
- u8 gpio_ctrl2; // 09 SED13806
- } reg_genio_t;
- // MD Config Readback
- #define REG_BASE_MDCFG 0x0c
- typedef struct {
- u8 md_cfg_stat0; // 0C
- u8 md_cfg_stat1; // 0D
- } reg_mdcfg_t;
- // Clock Config
- #define REG_BASE_CLKCFG 0x10
- typedef struct {
- u8 mem_clk_cfg; // 10
- u8 spacer1[3]; // 11
- u8 lcd_pclk_cfg; // 14
- u8 spacer2[3]; // 15
- u8 crttv_pclk_cfg; // 18
- u8 spacer3[3]; // 19
- u8 mpclk_cfg; // 1C
- u8 spacer4; // 1D
- u8 cpu2mem_wait_sel; // 1E
- } reg_clkcfg_t;
- // Memory Config
- #define REG_BASE_MEMCFG 0x20
- typedef struct {
- u8 mem_cfg; // 20
- u8 dram_refresh; // 21
- u8 spacer[8]; // 22
- u8 dram_timings_ctrl0; // 2A
- u8 dram_timings_ctrl1; // 2B
- } reg_memcfg_t;
- // Panel Config
- #define REG_BASE_PANELCFG 0x30
- typedef struct {
- u8 panel_type; // 30
- u8 mod_rate; // 31
- } reg_panelcfg_t;
- // LCD and CRTTV Display Config
- #define REG_BASE_LCD_DISPCFG 0x32
- #define REG_BASE_CRTTV_DISPCFG 0x50
- typedef struct {
- u8 hdw; // 32 or 50
- u8 spacer1; // 33 or 51
- u8 hndp; // 34 or 52
- u8 hsync_start; // 35 or 53
- u8 hsync_pulse; // 36 or 54
- u8 spacer2; // 37 or 55
- u8 vdh0; // 38 or 56
- u8 vdh1; // 39 or 57
- u8 vndp; // 3A or 58
- u8 vsync_start; // 3B or 59
- u8 vsync_pulse; // 3C or 5A
- u8 tv_output_ctrl; // 5B (TV only)
- } reg_dispcfg_t;
- // LCD and CRTTV Display Mode
- #define REG_BASE_LCD_DISPMODE 0x40
- #define REG_BASE_CRTTV_DISPMODE 0x60
- typedef struct {
- u8 disp_mode; // 40 or 60
- u8 lcd_misc; // 41 (LCD only)
- u8 start_addr0; // 42 or 62
- u8 start_addr1; // 43 or 63
- u8 start_addr2; // 44 or 64
- u8 spacer1; // 45 or 65
- u8 mem_addr_offset0; // 46 or 66
- u8 mem_addr_offset1; // 47 or 67
- u8 pixel_panning; // 48 or 68
- u8 spacer2; // 49 or 69
- u8 fifo_high_thresh; // 4A or 6A
- u8 fifo_low_thresh; // 4B or 6B
- } reg_dispmode_t;
- // LCD and CRTTV Ink/Cursor
- #define REG_BASE_LCD_INKCURS 0x70
- #define REG_BASE_CRTTV_INKCURS 0x80
- typedef struct {
- u8 ctrl; // 70 or 80
- u8 start_addr; // 71 or 81
- u8 x_pos0; // 72 or 82
- u8 x_pos1; // 73 or 83
- u8 y_pos0; // 74 or 84
- u8 y_pos1; // 75 or 85
- u8 blue0; // 76 or 86
- u8 green0; // 77 or 87
- u8 red0; // 78 or 88
- u8 spacer1; // 79 or 89
- u8 blue1; // 7A or 8A
- u8 green1; // 7B or 8B
- u8 red1; // 7C or 8C
- u8 spacer2; // 7D or 8D
- u8 fifo; // 7E or 8E
- } reg_inkcurs_t;
- // BitBlt Config
- #define REG_BASE_BITBLT 0x100
- typedef struct {
- u8 ctrl0; // 100
- u8 ctrl1; // 101
- u8 rop_code; // 102
- u8 operation; // 103
- u8 src_start_addr0; // 104
- u8 src_start_addr1; // 105
- u8 src_start_addr2; // 106
- u8 spacer1; // 107
- u8 dest_start_addr0; // 108
- u8 dest_start_addr1; // 109
- u8 dest_start_addr2; // 10A
- u8 spacer2; // 10B
- u8 mem_addr_offset0; // 10C
- u8 mem_addr_offset1; // 10D
- u8 spacer3[2]; // 10E
- u8 width0; // 110
- u8 width1; // 111
- u8 height0; // 112
- u8 height1; // 113
- u8 bg_color0; // 114
- u8 bg_color1; // 115
- u8 spacer4[2]; // 116
- u8 fg_color0; // 118
- u8 fg_color1; // 119
- } reg_bitblt_t;
- // LUT
- #define REG_BASE_LUT 0x1e0
- typedef struct {
- u8 mode; // 1E0
- u8 spacer1; // 1E1
- u8 addr; // 1E2
- u8 spacer2; // 1E3
- u8 data; // 1E4
- } reg_lut_t;
- // Power Save Config
- #define REG_BASE_PWRSAVE 0x1f0
- typedef struct {
- u8 cfg; // 1F0
- u8 status; // 1F1
- } reg_pwrsave_t;
- // Misc
- #define REG_BASE_MISC 0x1f4
- typedef struct {
- u8 cpu2mem_watchdog; // 1F4
- u8 spacer[7]; // 1F5
- u8 disp_mode; // 1FC
- } reg_misc_t;
- // MediaPlug
- #define REG_BASE_MEDIAPLUG 0x1000
- typedef struct {
- u8 lcmd; // 1000
- u8 spacer1; // 1001
- u8 reserved_lcmd; // 1002
- u8 spacer2; // 1003
- u8 cmd; // 1004
- u8 spacer3; // 1005
- u8 reserved_cmd; // 1006
- u8 spacer4; // 1007
- u8 data; // 1008
- } reg_mediaplug_t;
- // BitBlt data register. 16-bit access only
- #define REG_BASE_BITBLT_DATA 0x100000
- typedef struct {
- reg_basic_t* basic;
- reg_genio_t* genio;
- reg_mdcfg_t* md_cfg;
- reg_clkcfg_t* clk_cfg;
- reg_memcfg_t* mem_cfg;
- reg_panelcfg_t* panel_cfg;
- reg_dispcfg_t* lcd_cfg;
- reg_dispcfg_t* crttv_cfg;
- reg_dispmode_t* lcd_mode;
- reg_dispmode_t* crttv_mode;
- reg_inkcurs_t* lcd_inkcurs;
- reg_inkcurs_t* crttv_inkcurs;
- reg_bitblt_t* bitblt;
- reg_lut_t* lut;
- reg_pwrsave_t* pwr_save;
- reg_misc_t* misc;
- reg_mediaplug_t* mediaplug;
- u16* bitblt_data;
- } e1356_reg_t;
- /*--------------------------------------------------------*/
- enum mem_type_t {
- MEM_TYPE_EDO_2CAS = 0,
- MEM_TYPE_FPM_2CAS,
- MEM_TYPE_EDO_2WE,
- MEM_TYPE_FPM_2WE,
- MEM_TYPE_EMBEDDED_SDRAM = 0x80
- };
- enum mem_smr_t {
- MEM_SMR_CBR = 0,
- MEM_SMR_SELF,
- MEM_SMR_NONE
- };
- enum disp_type_t {
- DISP_TYPE_LCD = 0,
- DISP_TYPE_TFT,
- DISP_TYPE_CRT,
- DISP_TYPE_PAL,
- DISP_TYPE_NTSC
- };
- /*
- * Maximum timing values, as determined by the SED1356 register
- * field sizes. All are indexed by display type, except
- * max_hsync_start which is first indexed by color depth,
- * then by display type.
- */
- static const int max_hndp[5] = {256, 256, 512, 511, 510};
- static const int max_hsync_start[2][5] = {
- {0, 252, 507, 505, 505}, // 8 bpp
- {0, 254, 509, 507, 507} // 16 bpp
- };
- static const int max_hsync_width[5] = {0, 128, 128, 0, 0};
- static const int max_vndp[5] = {64, 64, 128, 128, 128};
- static const int max_vsync_start[5] = {0, 64, 128, 128, 128};
- static const int max_vsync_width[5] = {0, 8, 8, 0, 0};
- #define IS_PANEL(disp_type)
- (disp_type == DISP_TYPE_LCD || disp_type == DISP_TYPE_TFT)
- #define IS_CRT(disp_type) (disp_type == DISP_TYPE_CRT)
- #define IS_TV(disp_type)
- (disp_type == DISP_TYPE_NTSC || disp_type == DISP_TYPE_PAL)
- enum tv_filters_t {
- TV_FILT_LUM = 1,
- TV_FILT_CHROM = 2,
- TV_FILT_FLICKER = 4
- };
- enum tv_format_t {
- TV_FMT_COMPOSITE = 0,
- TV_FMT_S_VIDEO
- };
- struct e1356fb_fix {
- int system; // the number of a pre-packaged system
- u64 regbase_phys; // phys start address of registers
- u64 membase_phys; // phys start address of fb memory
- // Memory parameters
- int mem_speed; // speed: 50, 60, 70, or 80 (nsec)
- int mem_type; // mem type: EDO-2CAS, FPM-2CAS, EDO-2WE, FPM-2WE
- int mem_refresh; // refresh rate in KHz
- int mem_smr; // suspend mode refresh: CAS_BEFORE_RAS, SELF, or NONE
- // Clocks
- int busclk; // BUSCLK frequency, in KHz
- int mclk; // MCLK freq, in KHz, will either be BUSCLK or BUSCLK/2
- int clki; // CLKI frequency, in KHz
- int clki2; // CLKI2 frequency, in KHz
- int disp_type; // LCD, TFT, CRT, PAL, or NTSC
- // TV Options
- u8 tv_filt; // TV Filter mask, LUM, CHROM, and FLICKER
- int tv_fmt; // TV output format, COMPOSITE or S_VIDEO
-
- // Panel (LCD,TFT) Options
- int panel_el; // enable support for EL-type panels
- int panel_width; // Panel data width: LCD: 4/8/16, TFT: 9/12/18
-
- // Misc
- int noaccel;
- int nopan;
- #ifdef CONFIG_MTRR
- int nomtrr;
- #endif
- int nohwcursor;
- int mmunalign; // force unaligned returned VA in mmap()
- char fontname[40];
- char *mode_option;
- };
- typedef struct {
- int pixclk_d; // Desired Pixel Clock, KHz
- int pixclk; // Closest supported clock to desired clock, KHz
- int error; // percent error between pixclock and pixclock_d
- int clksrc; // equal to busclk, mclk, clki, or clki2, KHz
- int divisor; // pixclk = clksrc/divisor, where divisor = 1,2,3, or 4
- u8 pixclk_bits; // pixclock register value for above settings
- } pixclock_info_t;
- struct e1356fb_par {
- int width;
- int height;
- int width_virt; // Width in pixels
- int height_virt; // Height in lines
- int bpp; // bits-per-pixel
- int Bpp; // Bytes-per-pixel
- // Timing
- pixclock_info_t ipclk;
- int horiz_ndp; // Horiz. Non-Display Period, pixels
- int vert_ndp; // Vert. Non-Display Period, lines
- int hsync_pol; // Polarity of horiz. sync signal (HRTC for CRT/TV,
- // FPLINE for TFT). 0=active lo, 1=active hi
- int hsync_start; // Horiz. Sync Start position, pixels
- int hsync_width; // Horiz. Sync Pulse width, pixels
- int hsync_freq; // calculated horizontal sync frequency
- int vsync_pol; // Polarity of vert. sync signal (VRTC for CRT/TV,
- // FPFRAME for TFT). 0=active lo, 1=active hi
- int vsync_start; // Vert. Sync Start position, lines
- int vsync_width; // Vert. Sync Pulse width, lines
- int vsync_freq; // calculated vertical sync frequency
- int cmap_len; // color-map length
- };
- struct fb_info_e1356 {
- struct fb_info fb_info;
- void *regbase_virt;
- unsigned long regbase_size;
- void *membase_virt;
- unsigned long fb_size;
- e1356_reg_t reg;
- void* putcs_buffer;
-
- int max_pixclock; // Max supported pixel clock, KHz
- int open, mmaped; // open count, is mmap'ed
-
- u8 chip_rev;
-
- #ifdef CONFIG_MTRR
- int mtrr_idx;
- #endif
- #ifdef SHADOW_FRAME_BUFFER
- struct {
- void* fb;
- struct timer_list timer;
- } shadow;
- #endif
- struct { unsigned red, green, blue, pad; } palette[256];
- struct display disp;
- #if defined(FBCON_HAS_CFB16)
- u16 fbcon_cmap16[16];
- #endif
-
- struct {
- int type;
- int state;
- int w,h,u;
- int x,y,redraw;
- unsigned long enable,disable;
- struct timer_list timer;
- spinlock_t lock;
- } cursor;
-
- struct e1356fb_fix fix;
- struct e1356fb_par default_par;
- struct e1356fb_par current_par;
- };
- // The following are boot options for particular SED1356-based target systems
- enum {
- SYS_NULL,
- SYS_PB1000,
- SYS_PB1500,
- SYS_SDU1356,
- SYS_CLIO1050,
- NUM_SYSTEMS // must be last
- };
- static struct {
- struct e1356fb_fix fix;
- struct e1356fb_par par;
- } systems[NUM_SYSTEMS] = {
- /*
- * NULL system to help us detect missing options
- * when the driver is compiled as a module.
- */
- {
- { // fix
- SYS_NULL,
- },
- { // par
- }
- },
- /*
- * Alchemy Pb1000 evaluation board, SED1356
- */
- {
- { // fix
- SYS_PB1000,
- /*
- * Note!: these are "pseudo" physical addresses;
- * the SED1356 is not actually mapped here, but rather
- * at the 36-bit address of 0xE 0000 0000. There is an
- * ugly hack in the Au1000 TLB refill handler that will
- * translate pte_t's in the range 0xE000 0000 -->
- * 0xEFFF FFFF to the 36-bit range 0xE 0000 0000 -->
- * 0xE 0FFF FFFF. The long-term solution is to support
- * 36-bit physical addresses in linux-mips32 mm, since
- * the mips32 specification specifically supports this.
- */
- 0xE00000000, 0xE00200000,
- 60, MEM_TYPE_EDO_2CAS, 64, MEM_SMR_CBR,
- 0, 0, // BUSCLK and MCLK are calculated at run-time
- 40000, 14318, // CLKI, CLKI2
- #ifdef CONFIG_PB1000_CRT
- DISP_TYPE_CRT,
- 0, 0, // TV Options
- 0, 0, // Panel options
- #elif defined (CONFIG_PB1000_NTSC)
- DISP_TYPE_NTSC,
- TV_FILT_FLICKER|TV_FILT_LUM|TV_FILT_CHROM,
- TV_FMT_COMPOSITE,
- 0, 0, // Panel options
- #elif defined (CONFIG_PB1000_TFT)
- DISP_TYPE_TFT,
- 0, 0, // TV Options
- 0, 12, // Panel options, EL panel?, data width?
- #else
- DISP_TYPE_PAL,
- TV_FILT_FLICKER|TV_FILT_LUM|TV_FILT_CHROM,
- TV_FMT_COMPOSITE,
- 0, 0, // Panel options
- #endif
- 0, 0,
- #ifdef CONFIG_MTRR
- 0,
- #endif
- 0,
- 0,
- {0},
- "800x600@60"
- },
- { // par
- 0, 0, 800, 600, 8, 1,
- // timings will be set by modedb
- {0}, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 256
- }
- },
- /*
- * Alchemy Pb1500 evaluation board, SED13806
- */
- {
- { // fix
- SYS_PB1500,
- /*
- * Note!: these are "pseudo" physical addresses;
- * the SED1356 is not actually mapped here, but rather
- * at the 36-bit address of 0xE 0000 0000. There is an
- * ugly hack in the Au1000 TLB refill handler that will
- * translate pte_t's in the range 0xE000 0000 -->
- * 0xEFFF FFFF to the 36-bit range 0xE 0000 0000 -->
- * 0xE 0FFF FFFF. The long-term solution is to support
- * 36-bit physical addresses in linux-mips32 mm, since
- * the mips32 specification specifically supports this.
- */
- 0xE1B000000, 0xE1B200000,
- 50, MEM_TYPE_EMBEDDED_SDRAM, 64, MEM_SMR_CBR,
- 0, 0, // BUSCLK and MCLK are calculated at run-time
- 40000, 14318, // CLKI, CLKI2
- #ifdef CONFIG_PB1500_CRT
- DISP_TYPE_CRT,
- 0, 0, // TV Options
- 0, 0, // Panel options
- #else
- DISP_TYPE_TFT,
- 0, 0, // TV Options
- 0, 12, // Panel options, EL panel?, data width?
- #endif
- 0, 0,
- #ifdef CONFIG_MTRR
- 0,
- #endif
- 0,
- 0,
- {0},
- "800x600@60"
- },
- { // par
- 0, 0, 800, 600, 8, 1,
- // timings will be set by modedb
- {0}, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 256
- }
- },
- /*
- * Epson SDU1356B0C PCI eval card. These settings assume the
- * card is configured for PCI, the MediaPlug is disabled,
- * and the onboard clock synthesizer is at the power-up
- * clock settings.
- */
- {
- { // fix
- SYS_SDU1356,
- 0x0, 0x0, // addresses obtained from PCI config space
- // FIXME: just guess for now
- 60, MEM_TYPE_EDO_2CAS, 64, MEM_SMR_CBR,
- 33000, 0, 40000, 25175, // BUSCLK, MCLK, CLKI, CLKI2
- DISP_TYPE_CRT,
- 0, 0,
- 0, 0,
- 0, 0,
- #ifdef CONFIG_MTRR
- 0,
- #endif
- 0,
- 0,
- {0},
- "800x600@60"
- },
- { // par
- 0, 0, 1024, 768, 8, 1,
- // timings will be set by modedb
- {0}, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 256
- }
- },
- /*
- * Vadem Clio 1050 - this is for the benefit of the Linux-VR project.
- * FIXME: Most of these settings are just guesses, until I can get a
- * Clio 1050 and dump the registers that WinCE has setup.
- */
- {
- { // fix
- SYS_CLIO1050,
- 0x0a000000, 0x0a200000,
- 60, MEM_TYPE_EDO_2CAS, 64, MEM_SMR_CBR,
- 40000, 40000, 14318, 14318,
- DISP_TYPE_TFT,
- 0, 0,
- 0, 16,
- 0, 0,
- #ifdef CONFIG_MTRR
- 0,
- #endif
- 0,
- 0,
- {0},
- "640x480@85"
- },
- { // par
- 0, 0, 1024, 768, 16, 2,
- // timings will be set by modedb
- {0}, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 16
- }
- }
- };