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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.c107
1 files changed, 49 insertions, 58 deletions
diff --git a/drivers/video/via/dvi.c b/drivers/video/via/dvi.c
index 9cb261ce6e3..0e0852e6df2 100644
--- a/drivers/video/via/dvi.c
+++ b/drivers/video/via/dvi.c
@@ -23,9 +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 void dvi_get_panel_size_from_DDCv1(void);
-static void dvi_get_panel_size_from_DDCv2(void);
-static void 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)
@@ -36,23 +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;
}
@@ -314,11 +316,9 @@ static int viafb_dvi_query_EDID(void)
return false;
}
-/* void dvi_get_panel_size_from_DDCv1(void)
- *
- * - Get Panel Size Using EDID1 Table
- */
-static void 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, tmp, restore;
unsigned char rData;
@@ -326,8 +326,8 @@ static void dvi_get_panel_size_from_DDCv1(void)
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)
@@ -373,8 +373,8 @@ static void 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;
@@ -384,23 +384,31 @@ static void dvi_get_panel_size_from_DDCv1(void)
}
}
+ tmds_setting->max_hres = max_h;
switch (max_h) {
case 640:
+ tmds_setting->max_vres = 480;
break;
case 800:
+ tmds_setting->max_vres = 600;
break;
case 1024:
+ tmds_setting->max_vres = 768;
break;
case 1280:
+ tmds_setting->max_vres = 1024;
break;
case 1400:
+ tmds_setting->max_vres = 1050;
break;
case 1440:
+ tmds_setting->max_vres = 1050;
break;
case 1600:
+ tmds_setting->max_vres = 1200;
break;
case 1920:
-
+ tmds_setting->max_vres = 1080;
break;
default:
DEBUG_MSG(KERN_INFO "Unknown panel size max resolution = %d !\
@@ -409,72 +417,55 @@ static void dvi_get_panel_size_from_DDCv1(void)
}
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;
+ tmds_setting->max_pixel_clock);
+ tmds_chip->tmds_chip_slave_addr = restore;
}
-/* void dvi_get_panel_size_from_DDCv2(void)
- *
- * - Get Panel Size Using EDID2 Table
- */
-static void 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:
+ tmds_setting->max_vres = 480;
break;
case 800:
+ tmds_setting->max_vres = 600;
break;
case 1024:
+ tmds_setting->max_vres = 768;
break;
case 1280:
+ tmds_setting->max_vres = 1024;
break;
case 1400:
+ tmds_setting->max_vres = 1050;
break;
case 1440:
+ tmds_setting->max_vres = 1050;
break;
case 1600:
+ tmds_setting->max_vres = 1200;
break;
default:
DEBUG_MSG(KERN_INFO "Unknown panel size max resolution = %d!\
- set default panel size.\n", HSize);
+ set default panel size.\n", tmds_setting->max_hres);
break;
}
- viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore;
-}
-
-/* unsigned char dvi_get_panel_info(void)
- *
- * - Get Panel Size
- */
-static void dvi_get_panel_info(void)
-{
- 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();
- break;
- default:
- break;
- }
+ tmds_chip->tmds_chip_slave_addr = restore;
}
/* If Disable DVI, turn off pad */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-04 21:49:39 +0000