X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fvideo%2Fvia%2Fdvi.c;fp=drivers%2Fvideo%2Fvia%2Fdvi.c;h=84e21b39dd0bd8137f592241e9122538d6e7cbbe;hb=59f40aff7930052a74ddf5c297aa1974b0838529;hp=39b040bb3817f775cc45c4d73407464e366c296c;hpb=291b7c3a02a7eafbb8ea89a2c0e93676d6972926;p=mv-sheeva.git diff --git a/drivers/video/via/dvi.c b/drivers/video/via/dvi.c index 39b040bb381..84e21b39dd0 100644 --- a/drivers/video/via/dvi.c +++ b/drivers/video/via/dvi.c @@ -25,10 +25,12 @@ static void tmds_register_write(int index, u8 data); static int tmds_register_read(int index); static int tmds_register_read_bytes(int index, u8 *buff, int buff_len); -static void dvi_get_panel_size_from_DDCv1(struct tmds_chip_information - *tmds_chip, struct tmds_setting_information *tmds_setting); -static void dvi_get_panel_size_from_DDCv2(struct tmds_chip_information - *tmds_chip, struct tmds_setting_information *tmds_setting); +static void __devinit dvi_get_panel_size_from_DDCv1( + struct tmds_chip_information *tmds_chip, + struct tmds_setting_information *tmds_setting); +static void __devinit dvi_get_panel_size_from_DDCv2( + struct tmds_chip_information *tmds_chip, + struct tmds_setting_information *tmds_setting); static int viafb_dvi_query_EDID(void); static int check_tmds_chip(int device_id_subaddr, int device_id) @@ -39,7 +41,7 @@ static int check_tmds_chip(int device_id_subaddr, int device_id) return FAIL; } -void viafb_init_dvi_size(struct tmds_chip_information *tmds_chip, +void __devinit viafb_init_dvi_size(struct tmds_chip_information *tmds_chip, struct tmds_setting_information *tmds_setting) { DEBUG_MSG(KERN_INFO "viafb_init_dvi_size()\n"); @@ -60,7 +62,7 @@ void viafb_init_dvi_size(struct tmds_chip_information *tmds_chip, return; } -int viafb_tmds_trasmitter_identify(void) +int __devinit viafb_tmds_trasmitter_identify(void) { unsigned char sr2a = 0, sr1e = 0, sr3e = 0; @@ -208,8 +210,6 @@ void viafb_dvi_set_mode(struct VideoModeTable *mode, int mode_bpp, } } viafb_fill_crtc_timing(pDviTiming, mode, mode_bpp / 8, set_iga); - viafb_set_output_path(DEVICE_DVI, set_iga, - viaparinfo->chip_info->tmds_chip_info.output_interface); } /* Sense DVI Connector */ @@ -313,8 +313,9 @@ static int viafb_dvi_query_EDID(void) } /* Get Panel Size Using EDID1 Table */ -static void dvi_get_panel_size_from_DDCv1(struct tmds_chip_information - *tmds_chip, struct tmds_setting_information *tmds_setting) +static void __devinit dvi_get_panel_size_from_DDCv1( + struct tmds_chip_information *tmds_chip, + struct tmds_setting_information *tmds_setting) { int i, max_h = 0, tmp, restore; unsigned char rData; @@ -418,8 +419,9 @@ static void dvi_get_panel_size_from_DDCv1(struct tmds_chip_information } /* Get Panel Size Using EDID2 Table */ -static void dvi_get_panel_size_from_DDCv2(struct tmds_chip_information - *tmds_chip, struct tmds_setting_information *tmds_setting) +static void __devinit dvi_get_panel_size_from_DDCv2( + struct tmds_chip_information *tmds_chip, + struct tmds_setting_information *tmds_setting) { int restore; unsigned char R_Buffer[2]; @@ -467,26 +469,6 @@ static void dvi_get_panel_size_from_DDCv2(struct tmds_chip_information /* If Disable DVI, turn off pad */ void viafb_dvi_disable(void) { - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DVP0) - viafb_write_reg(SR1E, VIASR, - viafb_read_reg(VIASR, SR1E) & (~0xC0)); - - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DVP1) - viafb_write_reg(SR1E, VIASR, - viafb_read_reg(VIASR, SR1E) & (~0x30)); - - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DFP_HIGH) - viafb_write_reg(SR2A, VIASR, - viafb_read_reg(VIASR, SR2A) & (~0x0C)); - - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DFP_LOW) - viafb_write_reg(SR2A, VIASR, - viafb_read_reg(VIASR, SR2A) & (~0x03)); - if (viaparinfo->chip_info-> tmds_chip_info.output_interface == INTERFACE_TMDS) /* Turn off TMDS power. */ @@ -494,38 +476,101 @@ void viafb_dvi_disable(void) viafb_read_reg(VIACR, CRD2) | 0x08); } +static void dvi_patch_skew_dvp0(void) +{ + /* Reset data driving first: */ + viafb_write_reg_mask(SR1B, VIASR, 0, BIT1); + viafb_write_reg_mask(SR2A, VIASR, 0, BIT4); + + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_P4M890: + { + if ((viaparinfo->tmds_setting_info->h_active == 1600) && + (viaparinfo->tmds_setting_info->v_active == + 1200)) + viafb_write_reg_mask(CR96, VIACR, 0x03, + BIT0 + BIT1 + BIT2); + else + viafb_write_reg_mask(CR96, VIACR, 0x07, + BIT0 + BIT1 + BIT2); + break; + } + + case UNICHROME_P4M900: + { + viafb_write_reg_mask(CR96, VIACR, 0x07, + BIT0 + BIT1 + BIT2 + BIT3); + viafb_write_reg_mask(SR1B, VIASR, 0x02, BIT1); + viafb_write_reg_mask(SR2A, VIASR, 0x10, BIT4); + break; + } + + default: + { + break; + } + } +} + +static void dvi_patch_skew_dvp_low(void) +{ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_K8M890: + { + viafb_write_reg_mask(CR99, VIACR, 0x03, BIT0 + BIT1); + break; + } + + case UNICHROME_P4M900: + { + viafb_write_reg_mask(CR99, VIACR, 0x08, + BIT0 + BIT1 + BIT2 + BIT3); + break; + } + + case UNICHROME_P4M890: + { + viafb_write_reg_mask(CR99, VIACR, 0x0F, + BIT0 + BIT1 + BIT2 + BIT3); + break; + } + + default: + { + break; + } + } +} + /* If Enable DVI, turn off pad */ void viafb_dvi_enable(void) { u8 data; - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DVP0) { - viafb_write_reg(SR1E, VIASR, - viafb_read_reg(VIASR, SR1E) | 0xC0); + switch (viaparinfo->chip_info->tmds_chip_info.output_interface) { + case INTERFACE_DVP0: + viafb_write_reg_mask(CR6B, VIACR, 0x01, BIT0); + viafb_write_reg_mask(CR6C, VIACR, 0x21, BIT0 + BIT5); + dvi_patch_skew_dvp0(); if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) tmds_register_write(0x88, 0x3b); else /*clear CR91[5] to direct on display period in the secondary diplay path */ - viafb_write_reg(CR91, VIACR, - viafb_read_reg(VIACR, CR91) & 0xDF); - } + via_write_reg_mask(VIACR, 0x91, 0x00, 0x20); + break; - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DVP1) { - viafb_write_reg(SR1E, VIASR, - viafb_read_reg(VIASR, SR1E) | 0x30); + case INTERFACE_DVP1: + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) + viafb_write_reg_mask(CR93, VIACR, 0x21, BIT0 + BIT5); /*fix dvi cann't be enabled with MB VT5718C4 - Al Zhang */ - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) tmds_register_write(0x88, 0x3b); - } else { + else /*clear CR91[5] to direct on display period in the secondary diplay path */ - viafb_write_reg(CR91, VIACR, - viafb_read_reg(VIACR, CR91) & 0xDF); - } + via_write_reg_mask(VIACR, 0x91, 0x00, 0x20); /*fix DVI cannot enable on EPIA-M board */ if (viafb_platform_epia_dvi == 1) { @@ -537,36 +582,40 @@ void viafb_dvi_enable(void) else data = 0x37; viafb_i2c_writebyte(viaparinfo->chip_info-> - tmds_chip_info.i2c_port, - viaparinfo->chip_info-> - tmds_chip_info.tmds_chip_slave_addr, - 0x08, data); + tmds_chip_info.i2c_port, + viaparinfo->chip_info-> + tmds_chip_info.tmds_chip_slave_addr, + 0x08, data); } } - } + break; - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DFP_HIGH) { - viafb_write_reg(SR2A, VIASR, - viafb_read_reg(VIASR, SR2A) | 0x0C); - viafb_write_reg(CR91, VIACR, - viafb_read_reg(VIACR, CR91) & 0xDF); - } + case INTERFACE_DFP_HIGH: + if (viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266) + via_write_reg_mask(VIACR, CR97, 0x03, 0x03); - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DFP_LOW) { - viafb_write_reg(SR2A, VIASR, - viafb_read_reg(VIASR, SR2A) | 0x03); - viafb_write_reg(CR91, VIACR, - viafb_read_reg(VIACR, CR91) & 0xDF); - } - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_TMDS) { + via_write_reg_mask(VIACR, 0x91, 0x00, 0x20); + break; + + case INTERFACE_DFP_LOW: + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) + break; + + dvi_patch_skew_dvp_low(); + via_write_reg_mask(VIACR, 0x91, 0x00, 0x20); + break; + + case INTERFACE_TMDS: /* Turn on Display period in the panel path. */ viafb_write_reg_mask(CR91, VIACR, 0, BIT7); /* Turn on TMDS power. */ viafb_write_reg_mask(CRD2, VIACR, 0, BIT3); + break; } -} + if (viaparinfo->tmds_setting_info->iga_path == IGA2) { + /* Disable LCD Scaling */ + viafb_write_reg_mask(CR79, VIACR, 0x00, BIT0); + } +}