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-rw-r--r--drivers/video/via/dvi.c25
-rw-r--r--drivers/video/via/hw.c132
-rw-r--r--drivers/video/via/hw.h9
-rw-r--r--drivers/video/via/lcd.c10
-rw-r--r--drivers/video/via/viafbdev.c16
-rw-r--r--drivers/video/via/vt1636.c56
6 files changed, 137 insertions, 111 deletions
diff --git a/drivers/video/via/dvi.c b/drivers/video/via/dvi.c
index 7c82f6f..84e21b3 100644
--- a/drivers/video/via/dvi.c
+++ b/drivers/video/via/dvi.c
@@ -470,26 +470,6 @@ static void __devinit dvi_get_panel_size_from_DDCv2(
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. */
viafb_write_reg(CRD2, VIACR,
@@ -571,7 +551,6 @@ void viafb_dvi_enable(void)
case INTERFACE_DVP0:
viafb_write_reg_mask(CR6B, VIACR, 0x01, BIT0);
viafb_write_reg_mask(CR6C, VIACR, 0x21, BIT0 + BIT5);
- viafb_write_reg_mask(SR1E, VIASR, 0xC0, BIT7 + BIT6);
dvi_patch_skew_dvp0();
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
tmds_register_write(0x88, 0x3b);
@@ -585,7 +564,6 @@ void viafb_dvi_enable(void)
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
viafb_write_reg_mask(CR93, VIACR, 0x21, BIT0 + BIT5);
- viafb_write_reg_mask(SR1E, VIASR, 0x30, BIT4 + BIT5);
/*fix dvi cann't be enabled with MB VT5718C4 - Al Zhang */
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
tmds_register_write(0x88, 0x3b);
@@ -616,14 +594,13 @@ void viafb_dvi_enable(void)
if (viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266)
via_write_reg_mask(VIACR, CR97, 0x03, 0x03);
- viafb_write_reg_mask(SR2A, VIASR, 0x0C, BIT2 + BIT3);
via_write_reg_mask(VIACR, 0x91, 0x00, 0x20);
break;
case INTERFACE_DFP_LOW:
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
break;
- viafb_write_reg_mask(SR2A, VIASR, 0x03, BIT0 + BIT1);
+
dvi_patch_skew_dvp_low();
via_write_reg_mask(VIACR, 0x91, 0x00, 0x20);
break;
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index e65edce..132d811 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -1036,6 +1036,121 @@ void via_set_source(u32 devices, u8 iga)
set_lvds2_source(iga);
}
+static void set_crt_state(u8 state)
+{
+ u8 value;
+
+ switch (state) {
+ case VIA_STATE_ON:
+ value = 0x00;
+ break;
+ case VIA_STATE_STANDBY:
+ value = 0x10;
+ break;
+ case VIA_STATE_SUSPEND:
+ value = 0x20;
+ break;
+ case VIA_STATE_OFF:
+ value = 0x30;
+ break;
+ default:
+ return;
+ }
+
+ via_write_reg_mask(VIACR, 0x36, value, 0x30);
+}
+
+static void set_96_state(u8 state)
+{
+ u8 value;
+
+ switch (state) {
+ case VIA_STATE_ON:
+ value = 0xC0;
+ break;
+ case VIA_STATE_OFF:
+ value = 0x00;
+ break;
+ default:
+ return;
+ }
+
+ via_write_reg_mask(VIASR, 0x1E, value, 0xC0);
+}
+
+static void set_dvp1_state(u8 state)
+{
+ u8 value;
+
+ switch (state) {
+ case VIA_STATE_ON:
+ value = 0x30;
+ break;
+ case VIA_STATE_OFF:
+ value = 0x00;
+ break;
+ default:
+ return;
+ }
+
+ via_write_reg_mask(VIASR, 0x1E, value, 0x30);
+}
+
+static void set_lvds1_state(u8 state)
+{
+ u8 value;
+
+ switch (state) {
+ case VIA_STATE_ON:
+ value = 0x03;
+ break;
+ case VIA_STATE_OFF:
+ value = 0x00;
+ break;
+ default:
+ return;
+ }
+
+ via_write_reg_mask(VIASR, 0x2A, value, 0x03);
+}
+
+static void set_lvds2_state(u8 state)
+{
+ u8 value;
+
+ switch (state) {
+ case VIA_STATE_ON:
+ value = 0x0C;
+ break;
+ case VIA_STATE_OFF:
+ value = 0x00;
+ break;
+ default:
+ return;
+ }
+
+ via_write_reg_mask(VIASR, 0x2A, value, 0x0C);
+}
+
+void via_set_state(u32 devices, u8 state)
+{
+ /*
+ TODO: Can we enable/disable these devices? How?
+ if (devices & VIA_6C)
+ if (devices & VIA_93)
+ */
+ if (devices & VIA_96)
+ set_96_state(state);
+ if (devices & VIA_CRT)
+ set_crt_state(state);
+ if (devices & VIA_DVP1)
+ set_dvp1_state(state);
+ if (devices & VIA_LVDS1)
+ set_lvds1_state(state);
+ if (devices & VIA_LVDS2)
+ set_lvds2_state(state);
+}
+
u32 via_parse_odev(char *input, char **end)
{
char *ptr = input;
@@ -2224,6 +2339,8 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
{
int i, j;
int port;
+ u32 devices = viaparinfo->shared->iga1_devices
+ | viaparinfo->shared->iga2_devices;
u8 value, index, mask;
struct crt_mode_table *crt_timing;
struct crt_mode_table *crt_timing1 = NULL;
@@ -2271,6 +2388,7 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
}
device_off();
+ via_set_state(devices, VIA_STATE_OFF);
/* Fill VPIT Parameters */
/* Write Misc Register */
@@ -2430,6 +2548,7 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
viafb_DeviceStatus = CRT_Device;
}
device_on();
+ via_set_state(devices, VIA_STATE_ON);
device_screen_on();
return 1;
}
@@ -2470,31 +2589,18 @@ int viafb_get_refresh(int hres, int vres, u32 long_refresh)
static void device_off(void)
{
- viafb_crt_disable();
viafb_dvi_disable();
viafb_lcd_disable();
}
static void device_on(void)
{
- if (viafb_CRT_ON == 1)
- viafb_crt_enable();
if (viafb_DVI_ON == 1)
viafb_dvi_enable();
if (viafb_LCD_ON == 1)
viafb_lcd_enable();
}
-void viafb_crt_disable(void)
-{
- viafb_write_reg_mask(CR36, VIACR, BIT5 + BIT4, BIT5 + BIT4);
-}
-
-void viafb_crt_enable(void)
-{
- viafb_write_reg_mask(CR36, VIACR, 0x0, BIT5 + BIT4);
-}
-
static void enable_second_display_channel(void)
{
/* to enable second display channel. */
diff --git a/drivers/video/via/hw.h b/drivers/video/via/hw.h
index 657dbd6..b067cbb 100644
--- a/drivers/video/via/hw.h
+++ b/drivers/video/via/hw.h
@@ -41,6 +41,12 @@
#define VIA_LVDS1 0x00000040
#define VIA_LVDS2 0x00000080
+/* VIA output device power states */
+#define VIA_STATE_ON 0
+#define VIA_STATE_STANDBY 1
+#define VIA_STATE_SUSPEND 2
+#define VIA_STATE_OFF 3
+
/***************************************************
* Definition IGA1 Design Method of CRTC Registers *
****************************************************/
@@ -904,9 +910,8 @@ void viafb_set_vclock(u32 CLK, int set_iga);
void viafb_load_reg(int timing_value, int viafb_load_reg_num,
struct io_register *reg,
int io_type);
-void viafb_crt_disable(void);
-void viafb_crt_enable(void);
void via_set_source(u32 devices, u8 iga);
+void via_set_state(u32 devices, u8 state);
u32 via_parse_odev(char *input, char **end);
void via_odev_to_seq(struct seq_file *m, u32 odev);
void init_ad9389(void);
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c
index b7d5535..de19e47 100644
--- a/drivers/video/via/lcd.c
+++ b/drivers/video/via/lcd.c
@@ -703,9 +703,6 @@ 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:
@@ -761,9 +758,6 @@ 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:
@@ -812,8 +806,6 @@ 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 */
@@ -879,8 +871,6 @@ 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 */
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 80ce43a..164c6ea 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -332,22 +332,22 @@ static int viafb_blank(int blank_mode, struct fb_info *info)
case FB_BLANK_UNBLANK:
/* Screen: On, HSync: On, VSync: On */
/* control CRT monitor power management */
- viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
+ via_set_state(VIA_CRT, VIA_STATE_ON);
break;
case FB_BLANK_HSYNC_SUSPEND:
/* Screen: Off, HSync: Off, VSync: On */
/* control CRT monitor power management */
- viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
+ via_set_state(VIA_CRT, VIA_STATE_STANDBY);
break;
case FB_BLANK_VSYNC_SUSPEND:
/* Screen: Off, HSync: On, VSync: Off */
/* control CRT monitor power management */
- viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
+ via_set_state(VIA_CRT, VIA_STATE_SUSPEND);
break;
case FB_BLANK_POWERDOWN:
/* Screen: Off, HSync: Off, VSync: Off */
/* control CRT monitor power management */
- viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
+ via_set_state(VIA_CRT, VIA_STATE_OFF);
break;
}
@@ -457,7 +457,7 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
return -EFAULT;
if (gpu32 & CRT_Device)
- viafb_crt_enable();
+ via_set_state(VIA_CRT, VIA_STATE_ON);
if (gpu32 & DVI_Device)
viafb_dvi_enable();
if (gpu32 & LCD_Device)
@@ -467,7 +467,7 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
return -EFAULT;
if (gpu32 & CRT_Device)
- viafb_crt_disable();
+ via_set_state(VIA_CRT, VIA_STATE_OFF);
if (gpu32 & DVI_Device)
viafb_dvi_disable();
if (gpu32 & LCD_Device)
@@ -1487,7 +1487,9 @@ static ssize_t viafb_iga1_odev_proc_write(struct file *file,
dev_on = dev_new & ~dev_old;
viaparinfo->shared->iga1_devices = dev_new;
viaparinfo->shared->iga2_devices &= ~dev_new;
+ via_set_state(dev_off, VIA_STATE_OFF);
via_set_source(dev_new, IGA1);
+ via_set_state(dev_on, VIA_STATE_ON);
return res;
}
@@ -1525,7 +1527,9 @@ static ssize_t viafb_iga2_odev_proc_write(struct file *file,
dev_on = dev_new & ~dev_old;
viaparinfo->shared->iga2_devices = dev_new;
viaparinfo->shared->iga1_devices &= ~dev_new;
+ via_set_state(dev_off, VIA_STATE_OFF);
via_set_source(dev_new, IGA2);
+ via_set_state(dev_on, VIA_STATE_ON);
return res;
}
diff --git a/drivers/video/via/vt1636.c b/drivers/video/via/vt1636.c
index d65bf1a..90aad12 100644
--- a/drivers/video/via/vt1636.c
+++ b/drivers/video/via/vt1636.c
@@ -92,34 +92,6 @@ void viafb_enable_lvds_vt1636(struct lvds_setting_information
viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, plvds_chip_info,
VDD_ON_TBL_VT1636[0]);
-
- /* Pad on: */
- switch (plvds_chip_info->output_interface) {
- case INTERFACE_DVP0:
- {
- viafb_write_reg_mask(SR1E, VIASR, 0xC0, 0xC0);
- break;
- }
-
- case INTERFACE_DVP1:
- {
- viafb_write_reg_mask(SR1E, VIASR, 0x30, 0x30);
- break;
- }
-
- case INTERFACE_DFP_LOW:
- {
- viafb_write_reg_mask(SR2A, VIASR, 0x03, 0x03);
- break;
- }
-
- case INTERFACE_DFP_HIGH:
- {
- viafb_write_reg_mask(SR2A, VIASR, 0x03, 0x0C);
- break;
- }
-
- }
}
void viafb_disable_lvds_vt1636(struct lvds_setting_information
@@ -129,34 +101,6 @@ void viafb_disable_lvds_vt1636(struct lvds_setting_information
viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, plvds_chip_info,
VDD_OFF_TBL_VT1636[0]);
-
- /* Pad off: */
- switch (plvds_chip_info->output_interface) {
- case INTERFACE_DVP0:
- {
- viafb_write_reg_mask(SR1E, VIASR, 0x00, 0xC0);
- break;
- }
-
- case INTERFACE_DVP1:
- {
- viafb_write_reg_mask(SR1E, VIASR, 0x00, 0x30);
- break;
- }
-
- case INTERFACE_DFP_LOW:
- {
- viafb_write_reg_mask(SR2A, VIASR, 0x00, 0x03);
- break;
- }
-
- case INTERFACE_DFP_HIGH:
- {
- viafb_write_reg_mask(SR2A, VIASR, 0x00, 0x0C);
- break;
- }
-
- }
}
bool viafb_lvds_identify_vt1636(u8 i2c_adapter)
generated by cgit v1.1 at 2024-05-30 21:10:48 +0000