diff options
Diffstat (limited to 'drivers/video/via/hw.c')
| -rw-r--r-- | drivers/video/via/hw.c | 73 |
1 files changed, 23 insertions, 50 deletions
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c index 86050e79b892..4910561a9d34 100644 --- a/drivers/video/via/hw.c +++ b/drivers/video/via/hw.c @@ -36,13 +36,6 @@ static const struct pci_device_id_info pciidlist[] = { {0, 0, 0} }; -struct offset offset_reg = { - /* IGA1 Offset Register */ - {IGA1_OFFSET_REG_NUM, {{CR13, 0, 7}, {CR35, 5, 7} } }, - /* IGA2 Offset Register */ - {IGA2_OFFSET_REG_NUM, {{CR66, 0, 7}, {CR67, 0, 1} } } -}; - static struct pll_map pll_value[] = { {CLK_25_175M, CLE266_PLL_25_175M, K800_PLL_25_175M, CX700_25_175M}, {CLK_29_581M, CLE266_PLL_29_581M, K800_PLL_29_581M, CX700_29_581M}, @@ -648,6 +641,26 @@ void viafb_set_secondary_address(u32 addr) viafb_write_reg_mask(CRA3, VIACR, (addr >> 26) & 0x07, 0x07); } +void viafb_set_primary_pitch(u32 pitch) +{ + DEBUG_MSG(KERN_DEBUG "viafb_set_primary_pitch(0x%08X)\n", pitch); + /* spec does not say that first adapter skips 3 bits but old + * code did it and seems to be reasonable in analogy to 2nd adapter + */ + pitch = pitch >> 3; + viafb_write_reg(0x13, VIACR, pitch & 0xFF); + viafb_write_reg_mask(0x35, VIACR, (pitch >> (8 - 5)) & 0xE0, 0xE0); +} + +void viafb_set_secondary_pitch(u32 pitch) +{ + DEBUG_MSG(KERN_DEBUG "viafb_set_secondary_pitch(0x%08X)\n", pitch); + pitch = pitch >> 3; + viafb_write_reg(0x66, VIACR, pitch & 0xFF); + viafb_write_reg_mask(0x67, VIACR, (pitch >> 8) & 0x03, 0x03); + viafb_write_reg_mask(0x71, VIACR, (pitch >> (10 - 7)) & 0x80, 0x80); +} + void viafb_set_output_path(int device, int set_iga, int output_interface) { switch (device) { @@ -1076,30 +1089,6 @@ void viafb_write_regx(struct io_reg RegTable[], int ItemNum) } } -void viafb_load_offset_reg(int h_addr, int bpp_byte, int set_iga) -{ - int reg_value; - int viafb_load_reg_num; - struct io_register *reg; - - switch (set_iga) { - case IGA1_IGA2: - case IGA1: - reg_value = IGA1_OFFSET_FORMULA(h_addr, bpp_byte); - viafb_load_reg_num = offset_reg.iga1_offset_reg.reg_num; - reg = offset_reg.iga1_offset_reg.reg; - viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); - if (set_iga == IGA1) - break; - case IGA2: - reg_value = IGA2_OFFSET_FORMULA(h_addr, bpp_byte); - viafb_load_reg_num = offset_reg.iga2_offset_reg.reg_num; - reg = offset_reg.iga2_offset_reg.reg; - viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); - break; - } -} - void viafb_load_fetch_count_reg(int h_addr, int bpp_byte, int set_iga) { int reg_value; @@ -1869,7 +1858,6 @@ void viafb_fill_crtc_timing(struct crt_mode_table *crt_table, load_fix_bit_crtc_reg(); viafb_lock_crt(); viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7); - viafb_load_offset_reg(h_addr, bpp_byte, set_iga); viafb_load_fetch_count_reg(h_addr, bpp_byte, set_iga); /* load FIFO */ @@ -2322,6 +2310,9 @@ int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp, } } + viafb_set_primary_pitch(viafbinfo->fix.line_length); + viafb_set_secondary_pitch(viafb_dual_fb ? viafbinfo1->fix.line_length + : viafbinfo->fix.line_length); /* Update Refresh Rate Setting */ /* Clear On Screen */ @@ -2738,24 +2729,6 @@ void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\ } } -void viafb_memory_pitch_patch(struct fb_info *info) -{ - if (info->var.xres != info->var.xres_virtual) { - viafb_load_offset_reg(info->var.xres_virtual, - info->var.bits_per_pixel >> 3, IGA1); - - if (viafb_SAMM_ON) { - viafb_load_offset_reg(viafb_second_virtual_xres, - viafb_bpp1 >> 3, - IGA2); - } else { - viafb_load_offset_reg(info->var.xres_virtual, - info->var.bits_per_pixel >> 3, IGA2); - } - - } -} - /*According var's xres, yres fill var's other timing information*/ void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh, int mode_index) |