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path: root/drivers/video/via/lcd.c
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Diffstat (limited to 'drivers/video/via/lcd.c')
-rw-r--r--drivers/video/via/lcd.c90
1 files changed, 41 insertions, 49 deletions
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c
index fc25ae30c5f6..3425c3969806 100644
--- a/drivers/video/via/lcd.c
+++ b/drivers/video/via/lcd.c
@@ -21,10 +21,16 @@
#include <linux/via-core.h>
#include <linux/via_i2c.h>
#include "global.h"
-#include "lcdtbl.h"
#define viafb_compact_res(x, y) (((x)<<16)|(y))
+/* CLE266 Software Power Sequence */
+/* {Mask}, {Data}, {Delay} */
+int PowerSequenceOn[3][3] = { {0x10, 0x08, 0x06}, {0x10, 0x08, 0x06},
+ {0x19, 0x1FE, 0x01} };
+int PowerSequenceOff[3][3] = { {0x06, 0x08, 0x10}, {0x00, 0x00, 0x00},
+ {0xD2, 0x19, 0x01} };
+
static struct _lcd_scaling_factor lcd_scaling_factor = {
/* LCD Horizontal Scaling Factor Register */
{LCD_HOR_SCALING_FACTOR_REG_NUM,
@@ -42,7 +48,7 @@ static struct _lcd_scaling_factor lcd_scaling_factor_CLE = {
static int check_lvds_chip(int device_id_subaddr, int device_id);
static bool lvds_identify_integratedlvds(void);
-static void fp_id_to_vindex(int panel_id);
+static void __devinit fp_id_to_vindex(int panel_id);
static int lvds_register_read(int index);
static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres,
int panel_vres);
@@ -84,7 +90,7 @@ static int check_lvds_chip(int device_id_subaddr, int device_id)
return FAIL;
}
-void viafb_init_lcd_size(void)
+void __devinit viafb_init_lcd_size(void)
{
DEBUG_MSG(KERN_INFO "viafb_init_lcd_size()\n");
@@ -144,7 +150,7 @@ static bool lvds_identify_integratedlvds(void)
return true;
}
-int viafb_lvds_trasmitter_identify(void)
+int __devinit viafb_lvds_trasmitter_identify(void)
{
if (viafb_lvds_identify_vt1636(VIA_PORT_31)) {
viaparinfo->chip_info->lvds_chip_info.i2c_port = VIA_PORT_31;
@@ -185,7 +191,7 @@ int viafb_lvds_trasmitter_identify(void)
return FAIL;
}
-static void fp_id_to_vindex(int panel_id)
+static void __devinit fp_id_to_vindex(int panel_id)
{
DEBUG_MSG(KERN_INFO "fp_get_panel_id()\n");
@@ -436,6 +442,7 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres,
case UNICHROME_CN750:
case UNICHROME_VX800:
case UNICHROME_VX855:
+ case UNICHROME_VX900:
reg_value =
K800_LCD_HOR_SCF_FORMULA(set_hres, panel_hres);
/* Horizontal scaling enabled */
@@ -479,6 +486,7 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres,
case UNICHROME_CN750:
case UNICHROME_VX800:
case UNICHROME_VX855:
+ case UNICHROME_VX900:
reg_value =
K800_LCD_VER_SCF_FORMULA(set_vres, panel_vres);
/* Vertical scaling enabled */
@@ -655,9 +663,6 @@ void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table,
pll_D_N = viafb_get_clk_value(panel_crt_table[0].clk);
DEBUG_MSG(KERN_INFO "PLL=0x%x", pll_D_N);
viafb_set_vclock(pll_D_N, set_iga);
-
- viafb_set_output_path(DEVICE_LCD, set_iga,
- plvds_chip_info->output_interface);
lcd_patch_skew(plvds_setting_info, plvds_chip_info);
/* If K8M800, enable LCD Prefetch Mode. */
@@ -700,9 +705,6 @@ static void integrated_lvds_disable(struct lvds_setting_information
viafb_write_reg_mask(CR91, VIACR, 0xC0, BIT6 + BIT7);
}
- /* Turn DFP High/Low Pad off. */
- viafb_write_reg_mask(SR2A, VIASR, 0, BIT0 + BIT1 + BIT2 + BIT3);
-
/* Power off LVDS channel. */
switch (plvds_chip_info->output_interface) {
case INTERFACE_LVDS0:
@@ -758,9 +760,6 @@ static void integrated_lvds_enable(struct lvds_setting_information
break;
}
- /* Turn DFP High/Low pad on. */
- viafb_write_reg_mask(SR2A, VIASR, 0x0F, BIT0 + BIT1 + BIT2 + BIT3);
-
/* Power on LVDS channel. */
switch (plvds_chip_info->output_interface) {
case INTERFACE_LVDS0:
@@ -809,29 +808,48 @@ void viafb_lcd_disable(void)
viafb_disable_lvds_vt1636(viaparinfo->lvds_setting_info,
&viaparinfo->chip_info->lvds_chip_info);
} else {
- /* DFP-HL pad off */
- viafb_write_reg_mask(SR2A, VIASR, 0x00, 0x0F);
/* Backlight off */
viafb_write_reg_mask(SR3D, VIASR, 0x00, 0x20);
/* 24 bit DI data paht off */
viafb_write_reg_mask(CR91, VIACR, 0x80, 0x80);
- /* Simultaneout disabled */
- viafb_write_reg_mask(CR6B, VIACR, 0x00, 0x08);
}
/* Disable expansion bit */
viafb_write_reg_mask(CR79, VIACR, 0x00, 0x01);
- /* CRT path set to IGA1 */
- viafb_write_reg_mask(SR16, VIASR, 0x00, 0x40);
/* Simultaneout disabled */
viafb_write_reg_mask(CR6B, VIACR, 0x00, 0x08);
- /* IGA2 path disabled */
- viafb_write_reg_mask(CR6A, VIACR, 0x00, 0x80);
+}
+static void set_lcd_output_path(int set_iga, int output_interface)
+{
+ switch (output_interface) {
+ case INTERFACE_DFP:
+ if ((UNICHROME_K8M890 == viaparinfo->chip_info->gfx_chip_name)
+ || (UNICHROME_P4M890 ==
+ viaparinfo->chip_info->gfx_chip_name))
+ viafb_write_reg_mask(CR97, VIACR, 0x84,
+ BIT7 + BIT2 + BIT1 + BIT0);
+ case INTERFACE_DVP0:
+ case INTERFACE_DVP1:
+ case INTERFACE_DFP_HIGH:
+ case INTERFACE_DFP_LOW:
+ if (set_iga == IGA2)
+ viafb_write_reg(CR91, VIACR, 0x00);
+ break;
+ }
}
void viafb_lcd_enable(void)
{
+ viafb_write_reg_mask(CR6B, VIACR, 0x00, BIT3);
+ viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3);
+ set_lcd_output_path(viaparinfo->lvds_setting_info->iga_path,
+ viaparinfo->chip_info->lvds_chip_info.output_interface);
+ if (viafb_LCD2_ON)
+ set_lcd_output_path(viaparinfo->lvds_setting_info2->iga_path,
+ viaparinfo->chip_info->
+ lvds_chip_info2.output_interface);
+
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) {
/* DI1 pad on */
viafb_write_reg_mask(SR1E, VIASR, 0x30, 0x30);
@@ -855,39 +873,13 @@ void viafb_lcd_enable(void)
viafb_enable_lvds_vt1636(viaparinfo->lvds_setting_info,
&viaparinfo->chip_info->lvds_chip_info);
} else {
- /* DFP-HL pad on */
- viafb_write_reg_mask(SR2A, VIASR, 0x0F, 0x0F);
/* Backlight on */
viafb_write_reg_mask(SR3D, VIASR, 0x20, 0x20);
/* 24 bit DI data paht on */
viafb_write_reg_mask(CR91, VIACR, 0x00, 0x80);
-
- /* Set data source selection bit by iga path */
- if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
- /* DFP-H set to IGA1 */
- viafb_write_reg_mask(CR97, VIACR, 0x00, 0x10);
- /* DFP-L set to IGA1 */
- viafb_write_reg_mask(CR99, VIACR, 0x00, 0x10);
- } else {
- /* DFP-H set to IGA2 */
- viafb_write_reg_mask(CR97, VIACR, 0x10, 0x10);
- /* DFP-L set to IGA2 */
- viafb_write_reg_mask(CR99, VIACR, 0x10, 0x10);
- }
/* LCD enabled */
viafb_write_reg_mask(CR6A, VIACR, 0x48, 0x48);
}
-
- if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
- /* CRT path set to IGA2 */
- viafb_write_reg_mask(SR16, VIASR, 0x40, 0x40);
- /* IGA2 path disabled */
- viafb_write_reg_mask(CR6A, VIACR, 0x00, 0x80);
- /* IGA2 path enabled */
- } else { /* IGA2 */
- viafb_write_reg_mask(CR6A, VIACR, 0x80, 0x80);
- }
-
}
static void lcd_powersequence_off(void)
@@ -993,7 +985,7 @@ static void check_diport_of_integrated_lvds(
plvds_chip_info->output_interface);
}
-void viafb_init_lvds_output_interface(struct lvds_chip_information
+void __devinit viafb_init_lvds_output_interface(struct lvds_chip_information
*plvds_chip_info,
struct lvds_setting_information
*plvds_setting_info)
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-02 21:00:10 +0300