diff options
Diffstat (limited to 'drivers/video/via/dvi.c')
| -rw-r--r-- | drivers/video/via/dvi.c | 233 |
1 files changed, 63 insertions, 170 deletions
diff --git a/drivers/video/via/dvi.c b/drivers/video/via/dvi.c index 67b3693..abe59b8 100644 --- a/drivers/video/via/dvi.c +++ b/drivers/video/via/dvi.c @@ -23,11 +23,10 @@ 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 int check_reduce_blanking_mode(int mode_index, - int refresh_rate); -static int dvi_get_panel_size_from_DDCv1(void); -static int dvi_get_panel_size_from_DDCv2(void); -static unsigned char dvi_get_panel_info(void); +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 int viafb_dvi_query_EDID(void); static int check_tmds_chip(int device_id_subaddr, int device_id) @@ -38,23 +37,24 @@ static int check_tmds_chip(int device_id_subaddr, int device_id) return FAIL; } -void viafb_init_dvi_size(void) +void 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"); - DEBUG_MSG(KERN_INFO - "viaparinfo->tmds_setting_info->get_dvi_size_method %d\n", - viaparinfo->tmds_setting_info->get_dvi_size_method); - switch (viaparinfo->tmds_setting_info->get_dvi_size_method) { - case GET_DVI_SIZE_BY_SYSTEM_BIOS: + viafb_dvi_sense(); + switch (viafb_dvi_query_EDID()) { + case 1: + dvi_get_panel_size_from_DDCv1(tmds_chip, tmds_setting); break; - case GET_DVI_SZIE_BY_HW_STRAPPING: + case 2: + dvi_get_panel_size_from_DDCv2(tmds_chip, tmds_setting); break; - case GET_DVI_SIZE_BY_VGA_BIOS: default: - dvi_get_panel_info(); + printk(KERN_WARNING "viafb_init_dvi_size: DVI panel size undetected!\n"); break; } + return; } @@ -189,42 +189,14 @@ static int tmds_register_read_bytes(int index, u8 *buff, int buff_len) return 0; } -static int check_reduce_blanking_mode(int mode_index, - int refresh_rate) -{ - if (refresh_rate != 60) - return false; - - switch (mode_index) { - /* Following modes have reduce blanking mode. */ - case VIA_RES_1360X768: - case VIA_RES_1400X1050: - case VIA_RES_1440X900: - case VIA_RES_1600X900: - case VIA_RES_1680X1050: - case VIA_RES_1920X1080: - case VIA_RES_1920X1200: - break; - - default: - DEBUG_MSG(KERN_INFO - "This dvi mode %d have no reduce blanking mode!\n", - mode_index); - return false; - } - - return true; -} - /* DVI Set Mode */ -void viafb_dvi_set_mode(int video_index, int mode_bpp, int set_iga) +void viafb_dvi_set_mode(struct VideoModeTable *mode, int mode_bpp, + int set_iga) { - struct VideoModeTable *videoMode = NULL; + struct VideoModeTable *rb_mode; struct crt_mode_table *pDviTiming; unsigned long desirePixelClock, maxPixelClock; - int status = 0; - videoMode = viafb_get_modetbl_pointer(video_index); - pDviTiming = videoMode->crtc; + pDviTiming = mode->crtc; desirePixelClock = pDviTiming->clk / 1000000; maxPixelClock = (unsigned long)viaparinfo-> tmds_setting_info->max_pixel_clock; @@ -232,20 +204,14 @@ void viafb_dvi_set_mode(int video_index, int mode_bpp, int set_iga) DEBUG_MSG(KERN_INFO "\nDVI_set_mode!!\n"); if ((maxPixelClock != 0) && (desirePixelClock > maxPixelClock)) { - /*Check if reduce-blanking mode is exist */ - status = - check_reduce_blanking_mode(video_index, - pDviTiming->refresh_rate); - if (status) { - video_index += 100; /*Use reduce-blanking mode */ - videoMode = viafb_get_modetbl_pointer(video_index); - pDviTiming = videoMode->crtc; - DEBUG_MSG(KERN_INFO - "DVI use reduce blanking mode %d!!\n", - video_index); + rb_mode = viafb_get_rb_mode(mode->crtc[0].crtc.hor_addr, + mode->crtc[0].crtc.ver_addr); + if (rb_mode) { + mode = rb_mode; + pDviTiming = rb_mode->crtc; } } - viafb_fill_crtc_timing(pDviTiming, video_index, mode_bpp / 8, set_iga); + 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); } @@ -350,25 +316,18 @@ static int viafb_dvi_query_EDID(void) return false; } -/* - * - * int dvi_get_panel_size_from_DDCv1(void) - * - * - Get Panel Size Using EDID1 Table - * - * Return Type: int - * - */ -static int dvi_get_panel_size_from_DDCv1(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) { - int i, max_h = 0, max_v = 0, tmp, restore; + int i, max_h = 0, tmp, restore; unsigned char rData; unsigned char EDID_DATA[18]; DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv1 \n"); - restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr; - viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA0; + restore = tmds_chip->tmds_chip_slave_addr; + tmds_chip->tmds_chip_slave_addr = 0xA0; rData = tmds_register_read(0x23); if (rData & 0x3C) @@ -414,8 +373,8 @@ static int dvi_get_panel_size_from_DDCv1(void) /* The first two byte must be zero. */ if (EDID_DATA[3] == 0xFD) { /* To get max pixel clock. */ - viaparinfo->tmds_setting_info-> - max_pixel_clock = EDID_DATA[9] * 10; + tmds_setting->max_pixel_clock = + EDID_DATA[9] * 10; } } break; @@ -425,154 +384,88 @@ static int dvi_get_panel_size_from_DDCv1(void) } } + tmds_setting->max_hres = max_h; switch (max_h) { case 640: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_640X480; + tmds_setting->max_vres = 480; break; case 800: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_800X600; + tmds_setting->max_vres = 600; break; case 1024: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1024X768; + tmds_setting->max_vres = 768; break; case 1280: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1280X1024; + tmds_setting->max_vres = 1024; break; case 1400: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1400X1050; + tmds_setting->max_vres = 1050; break; case 1440: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1440X1050; + tmds_setting->max_vres = 1050; break; case 1600: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1600X1200; + tmds_setting->max_vres = 1200; break; case 1920: - if (max_v == 1200) { - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1920X1200; - } else { - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1920X1080; - } - + tmds_setting->max_vres = 1080; break; default: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1024X768; - DEBUG_MSG(KERN_INFO "Unknown panel size max resolution = %d !\ - set default panel size.\n", max_h); + DEBUG_MSG(KERN_INFO "Unknown panel size max resolution = %d ! " + "set default panel size.\n", max_h); break; } DEBUG_MSG(KERN_INFO "DVI max pixelclock = %d\n", - viaparinfo->tmds_setting_info->max_pixel_clock); - viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore; - return viaparinfo->tmds_setting_info->dvi_panel_size; + tmds_setting->max_pixel_clock); + tmds_chip->tmds_chip_slave_addr = restore; } -/* - * - * int dvi_get_panel_size_from_DDCv2(void) - * - * - Get Panel Size Using EDID2 Table - * - * Return Type: int - * - */ -static int dvi_get_panel_size_from_DDCv2(void) +/* 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) { - int HSize = 0, restore; + int restore; unsigned char R_Buffer[2]; DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv2 \n"); - restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr; - viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA2; + restore = tmds_chip->tmds_chip_slave_addr; + tmds_chip->tmds_chip_slave_addr = 0xA2; /* Horizontal: 0x76, 0x77 */ tmds_register_read_bytes(0x76, R_Buffer, 2); - HSize = R_Buffer[0]; - HSize += R_Buffer[1] << 8; + tmds_setting->max_hres = R_Buffer[0] + (R_Buffer[1] << 8); - switch (HSize) { + switch (tmds_setting->max_hres) { case 640: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_640X480; + tmds_setting->max_vres = 480; break; case 800: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_800X600; + tmds_setting->max_vres = 600; break; case 1024: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1024X768; + tmds_setting->max_vres = 768; break; case 1280: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1280X1024; + tmds_setting->max_vres = 1024; break; case 1400: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1400X1050; + tmds_setting->max_vres = 1050; break; case 1440: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1440X1050; + tmds_setting->max_vres = 1050; break; case 1600: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1600X1200; - break; - default: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1024X768; - DEBUG_MSG(KERN_INFO "Unknown panel size max resolution = %d!\ - set default panel size.\n", HSize); - break; - } - - viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore; - return viaparinfo->tmds_setting_info->dvi_panel_size; -} - -/* - * - * unsigned char dvi_get_panel_info(void) - * - * - Get Panel Size - * - * Return Type: unsigned char - */ -static unsigned char dvi_get_panel_info(void) -{ - unsigned char dvipanelsize; - DEBUG_MSG(KERN_INFO "dvi_get_panel_info! \n"); - - viafb_dvi_sense(); - switch (viafb_dvi_query_EDID()) { - case 1: - dvi_get_panel_size_from_DDCv1(); - break; - case 2: - dvi_get_panel_size_from_DDCv2(); + tmds_setting->max_vres = 1200; break; default: + DEBUG_MSG(KERN_INFO "Unknown panel size max resolution = %d! " + "set default panel size.\n", tmds_setting->max_hres); break; } - DEBUG_MSG(KERN_INFO "dvi panel size is %2d \n", - viaparinfo->tmds_setting_info->dvi_panel_size); - dvipanelsize = (unsigned char)(viaparinfo-> - tmds_setting_info->dvi_panel_size); - return dvipanelsize; + tmds_chip->tmds_chip_slave_addr = restore; } /* If Disable DVI, turn off pad */ |