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path: root/drivers/video/via/dvi.c
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Diffstat (limited to 'drivers/video/via/dvi.c')
-rw-r--r--drivers/video/via/dvi.c233
1 files changed, 63 insertions, 170 deletions
diff --git a/drivers/video/via/dvi.c b/drivers/video/via/dvi.c
index 67b36932212b..abe59b8c7a05 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 */