diff options
Diffstat (limited to 'drivers/video/broadsheetfb.c')
| -rw-r--r-- | drivers/video/broadsheetfb.c | 127 |
1 files changed, 110 insertions, 17 deletions
diff --git a/drivers/video/broadsheetfb.c b/drivers/video/broadsheetfb.c index df9ccb901d8..8f011062dec 100644 --- a/drivers/video/broadsheetfb.c +++ b/drivers/video/broadsheetfb.c @@ -33,7 +33,60 @@ #include <video/broadsheetfb.h> -/* Display specific information */ +/* track panel specific parameters */ +struct panel_info { + int w; + int h; + u16 sdcfg; + u16 gdcfg; + u16 lutfmt; + u16 fsynclen; + u16 fendfbegin; + u16 lsynclen; + u16 lendlbegin; + u16 pixclk; +}; + +/* table of panel specific parameters to be indexed into by the board drivers */ +static struct panel_info panel_table[] = { + { /* standard 6" on TFT backplane */ + .w = 800, + .h = 600, + .sdcfg = (100 | (1 << 8) | (1 << 9)), + .gdcfg = 2, + .lutfmt = (4 | (1 << 7)), + .fsynclen = 4, + .fendfbegin = (10 << 8) | 4, + .lsynclen = 10, + .lendlbegin = (100 << 8) | 4, + .pixclk = 6, + }, + { /* custom 3.7" flexible on PET or steel */ + .w = 320, + .h = 240, + .sdcfg = (67 | (0 << 8) | (0 << 9) | (0 << 10) | (0 << 12)), + .gdcfg = 3, + .lutfmt = (4 | (1 << 7)), + .fsynclen = 0, + .fendfbegin = (80 << 8) | 4, + .lsynclen = 10, + .lendlbegin = (80 << 8) | 20, + .pixclk = 14, + }, + { /* standard 9.7" on TFT backplane */ + .w = 1200, + .h = 825, + .sdcfg = (100 | (1 << 8) | (1 << 9) | (0 << 10) | (0 << 12)), + .gdcfg = 2, + .lutfmt = (4 | (1 << 7)), + .fsynclen = 0, + .fendfbegin = (4 << 8) | 4, + .lsynclen = 4, + .lendlbegin = (60 << 8) | 10, + .pixclk = 3, + }, +}; + #define DPY_W 800 #define DPY_H 600 @@ -160,6 +213,14 @@ static void broadsheet_write_reg(struct broadsheetfb_par *par, u16 reg, par->board->set_ctl(par, BS_CS, 1); } +static void broadsheet_write_reg32(struct broadsheetfb_par *par, u16 reg, + u32 data) +{ + broadsheet_write_reg(par, reg, cpu_to_le32(data) & 0xFFFF); + broadsheet_write_reg(par, reg + 2, (cpu_to_le32(data) >> 16) & 0xFFFF); +} + + static u16 broadsheet_read_reg(struct broadsheetfb_par *par, u16 reg) { broadsheet_send_command(par, reg); @@ -170,24 +231,28 @@ static u16 broadsheet_read_reg(struct broadsheetfb_par *par, u16 reg) static void __devinit broadsheet_init_display(struct broadsheetfb_par *par) { u16 args[5]; - - args[0] = DPY_W; - args[1] = DPY_H; - args[2] = (100 | (1 << 8) | (1 << 9)); /* sdcfg */ - args[3] = 2; /* gdrv cfg */ - args[4] = (4 | (1 << 7)); /* lut index format */ + int xres = par->info->var.xres; + int yres = par->info->var.yres; + + args[0] = panel_table[par->panel_index].w; + args[1] = panel_table[par->panel_index].h; + args[2] = panel_table[par->panel_index].sdcfg; + args[3] = panel_table[par->panel_index].gdcfg; + args[4] = panel_table[par->panel_index].lutfmt; broadsheet_send_cmdargs(par, BS_CMD_INIT_DSPE_CFG, 5, args); /* did the controller really set it? */ broadsheet_send_cmdargs(par, BS_CMD_INIT_DSPE_CFG, 5, args); - args[0] = 4; /* fsync len */ - args[1] = (10 << 8) | 4; /* fend/fbegin len */ - args[2] = 10; /* line sync len */ - args[3] = (100 << 8) | 4; /* line end/begin len */ - args[4] = 6; /* pixel clock cfg */ + args[0] = panel_table[par->panel_index].fsynclen; + args[1] = panel_table[par->panel_index].fendfbegin; + args[2] = panel_table[par->panel_index].lsynclen; + args[3] = panel_table[par->panel_index].lendlbegin; + args[4] = panel_table[par->panel_index].pixclk; broadsheet_send_cmdargs(par, BS_CMD_INIT_DSPE_TMG, 5, args); + broadsheet_write_reg32(par, 0x310, xres*yres*2); + /* setup waveform */ args[0] = 0x886; args[1] = 0; @@ -207,8 +272,9 @@ static void __devinit broadsheet_init_display(struct broadsheetfb_par *par) args[0] = 0x154; broadsheet_send_cmdargs(par, BS_CMD_WR_REG, 1, args); - broadsheet_burst_write(par, DPY_W*DPY_H/2, - (u16 *) par->info->screen_base); + broadsheet_burst_write(par, (panel_table[par->panel_index].w * + panel_table[par->panel_index].h)/2, + (u16 *) par->info->screen_base); broadsheet_send_command(par, BS_CMD_LD_IMG_END); @@ -277,8 +343,9 @@ static void broadsheetfb_dpy_update(struct broadsheetfb_par *par) args[0] = 0x154; broadsheet_send_cmdargs(par, BS_CMD_WR_REG, 1, args); - broadsheet_burst_write(par, DPY_W*DPY_H/2, - (u16 *) par->info->screen_base); + broadsheet_burst_write(par, (panel_table[par->panel_index].w * + panel_table[par->panel_index].h)/2, + (u16 *) par->info->screen_base); broadsheet_send_command(par, BS_CMD_LD_IMG_END); @@ -436,6 +503,8 @@ static int __devinit broadsheetfb_probe(struct platform_device *dev) unsigned char *videomemory; struct broadsheetfb_par *par; int i; + int dpyw, dpyh; + int panel_index; /* pick up board specific routines */ board = dev->dev.platform_data; @@ -450,7 +519,24 @@ static int __devinit broadsheetfb_probe(struct platform_device *dev) if (!info) goto err; - videomemorysize = (DPY_W*DPY_H); + switch (board->get_panel_type()) { + case 37: + panel_index = 1; + break; + case 97: + panel_index = 2; + break; + case 6: + default: + panel_index = 0; + break; + } + + dpyw = panel_table[panel_index].w; + dpyh = panel_table[panel_index].h; + + videomemorysize = roundup((dpyw*dpyh), PAGE_SIZE); + videomemory = vmalloc(videomemorysize); if (!videomemory) goto err_fb_rel; @@ -460,10 +546,17 @@ static int __devinit broadsheetfb_probe(struct platform_device *dev) info->screen_base = (char *)videomemory; info->fbops = &broadsheetfb_ops; + broadsheetfb_var.xres = dpyw; + broadsheetfb_var.yres = dpyh; + broadsheetfb_var.xres_virtual = dpyw; + broadsheetfb_var.yres_virtual = dpyh; info->var = broadsheetfb_var; + + broadsheetfb_fix.line_length = dpyw; info->fix = broadsheetfb_fix; info->fix.smem_len = videomemorysize; par = info->par; + par->panel_index = panel_index; par->info = info; par->board = board; par->write_reg = broadsheet_write_reg; |