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-rw-r--r--drivers/video/via/Makefile2
-rw-r--r--drivers/video/via/chip.h6
-rw-r--r--drivers/video/via/dvi.c160
-rw-r--r--drivers/video/via/dvi.h2
-rw-r--r--drivers/video/via/global.c4
-rw-r--r--drivers/video/via/global.h2
-rw-r--r--drivers/video/via/hw.c630
-rw-r--r--drivers/video/via/hw.h15
-rw-r--r--drivers/video/via/lcd.c23
-rw-r--r--drivers/video/via/lcd.h2
-rw-r--r--drivers/video/via/share.h17
-rw-r--r--drivers/video/via/via-core.c9
-rw-r--r--drivers/video/via/via_clock.c349
-rw-r--r--drivers/video/via/via_clock.h76
-rw-r--r--drivers/video/via/viafbdev.c62
-rw-r--r--drivers/video/via/viafbdev.h4
-rw-r--r--drivers/video/via/viamode.c46
-rw-r--r--drivers/video/via/viamode.h9
18 files changed, 712 insertions, 706 deletions
diff --git a/drivers/video/via/Makefile b/drivers/video/via/Makefile
index 96f01ee2a41..5108136e877 100644
--- a/drivers/video/via/Makefile
+++ b/drivers/video/via/Makefile
@@ -6,4 +6,4 @@ obj-$(CONFIG_FB_VIA) += viafb.o
viafb-y :=viafbdev.o hw.o via_i2c.o dvi.o lcd.o ioctl.o accel.o \
via_utility.o vt1636.o global.o tblDPASetting.o viamode.o \
- via-core.o via-gpio.o via_modesetting.o
+ via-core.o via-gpio.o via_modesetting.o via_clock.o
diff --git a/drivers/video/via/chip.h b/drivers/video/via/chip.h
index 29d70244a21..3ebf20c06ee 100644
--- a/drivers/video/via/chip.h
+++ b/drivers/video/via/chip.h
@@ -137,17 +137,11 @@ struct chip_information {
struct lvds_chip_information lvds_chip_info2;
};
-struct crt_setting_information {
- int iga_path;
-};
-
struct tmds_setting_information {
int iga_path;
int h_active;
int v_active;
int max_pixel_clock;
- int max_hres;
- int max_vres;
};
struct lvds_setting_information {
diff --git a/drivers/video/via/dvi.c b/drivers/video/via/dvi.c
index 41ca198b509..b1f364745ca 100644
--- a/drivers/video/via/dvi.c
+++ b/drivers/video/via/dvi.c
@@ -28,17 +28,11 @@ static int tmds_register_read_bytes(int index, u8 *buff, int buff_len);
static void __devinit dvi_get_panel_size_from_DDCv1(
struct tmds_chip_information *tmds_chip,
struct tmds_setting_information *tmds_setting);
-static void __devinit 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)
+static inline bool check_tmds_chip(int device_id_subaddr, int device_id)
{
- if (tmds_register_read(device_id_subaddr) == device_id)
- return OK;
- else
- return FAIL;
+ return tmds_register_read(device_id_subaddr) == device_id;
}
void __devinit viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,
@@ -47,22 +41,13 @@ void __devinit viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,
DEBUG_MSG(KERN_INFO "viafb_init_dvi_size()\n");
viafb_dvi_sense();
- switch (viafb_dvi_query_EDID()) {
- case 1:
+ if (viafb_dvi_query_EDID() == 1)
dvi_get_panel_size_from_DDCv1(tmds_chip, tmds_setting);
- break;
- case 2:
- dvi_get_panel_size_from_DDCv2(tmds_chip, tmds_setting);
- break;
- default:
- printk(KERN_WARNING "viafb_init_dvi_size: DVI panel size undetected!\n");
- break;
- }
return;
}
-int __devinit viafb_tmds_trasmitter_identify(void)
+bool __devinit viafb_tmds_trasmitter_identify(void)
{
unsigned char sr2a = 0, sr1e = 0, sr3e = 0;
@@ -101,7 +86,7 @@ int __devinit viafb_tmds_trasmitter_identify(void)
viaparinfo->chip_info->
tmds_chip_info.tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR;
viaparinfo->chip_info->tmds_chip_info.i2c_port = VIA_PORT_31;
- if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID) != FAIL) {
+ if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID)) {
/*
* Currently only support 12bits,dual edge,add 24bits mode later
*/
@@ -112,11 +97,10 @@ int __devinit viafb_tmds_trasmitter_identify(void)
viaparinfo->chip_info->tmds_chip_info.tmds_chip_name);
DEBUG_MSG(KERN_INFO "\n %2d",
viaparinfo->chip_info->tmds_chip_info.i2c_port);
- return OK;
+ return true;
} else {
viaparinfo->chip_info->tmds_chip_info.i2c_port = VIA_PORT_2C;
- if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID)
- != FAIL) {
+ if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID)) {
tmds_register_write(0x08, 0x3b);
DEBUG_MSG(KERN_INFO "\n VT1632 TMDS ! \n");
DEBUG_MSG(KERN_INFO "\n %2d",
@@ -125,7 +109,7 @@ int __devinit viafb_tmds_trasmitter_identify(void)
DEBUG_MSG(KERN_INFO "\n %2d",
viaparinfo->chip_info->
tmds_chip_info.i2c_port);
- return OK;
+ return true;
}
}
@@ -135,7 +119,7 @@ int __devinit viafb_tmds_trasmitter_identify(void)
((viafb_display_hardware_layout == HW_LAYOUT_DVI_ONLY) ||
(viafb_display_hardware_layout == HW_LAYOUT_LCD_DVI))) {
DEBUG_MSG(KERN_INFO "\n Integrated TMDS ! \n");
- return OK;
+ return true;
}
switch (viaparinfo->chip_info->gfx_chip_name) {
@@ -159,7 +143,7 @@ int __devinit viafb_tmds_trasmitter_identify(void)
tmds_chip_info.tmds_chip_name = NON_TMDS_TRANSMITTER;
viaparinfo->chip_info->tmds_chip_info.
tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR;
- return FAIL;
+ return false;
}
static void tmds_register_write(int index, u8 data)
@@ -306,12 +290,7 @@ static int viafb_dvi_query_EDID(void)
return EDID_VERSION_1; /* Found EDID1 Table */
}
- data0 = (u8) tmds_register_read(0x00);
- viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore;
- if (data0 == 0x20)
- return EDID_VERSION_2; /* Found EDID2 Table */
- else
- return false;
+ return false;
}
/* Get Panel Size Using EDID1 Table */
@@ -319,50 +298,15 @@ static void __devinit 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;
+ int i, restore;
unsigned char EDID_DATA[18];
DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv1 \n");
restore = tmds_chip->tmds_chip_slave_addr;
tmds_chip->tmds_chip_slave_addr = 0xA0;
-
- rData = tmds_register_read(0x23);
- if (rData & 0x3C)
- max_h = 640;
- if (rData & 0xC0)
- max_h = 720;
- if (rData & 0x03)
- max_h = 800;
-
- rData = tmds_register_read(0x24);
- if (rData & 0xC0)
- max_h = 800;
- if (rData & 0x1E)
- max_h = 1024;
- if (rData & 0x01)
- max_h = 1280;
-
for (i = 0x25; i < 0x6D; i++) {
switch (i) {
- case 0x26:
- case 0x28:
- case 0x2A:
- case 0x2C:
- case 0x2E:
- case 0x30:
- case 0x32:
- case 0x34:
- rData = tmds_register_read(i);
- if (rData == 1)
- break;
- /* data = (data + 31) * 8 */
- tmp = (rData + 31) << 3;
- if (tmp > max_h)
- max_h = tmp;
- break;
-
case 0x36:
case 0x48:
case 0x5A:
@@ -383,91 +327,11 @@ static void __devinit dvi_get_panel_size_from_DDCv1(
}
}
- 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 ! "
- "set default panel size.\n", max_h);
- break;
- }
-
DEBUG_MSG(KERN_INFO "DVI max pixelclock = %d\n",
tmds_setting->max_pixel_clock);
tmds_chip->tmds_chip_slave_addr = restore;
}
-/* Get Panel Size Using EDID2 Table */
-static void __devinit dvi_get_panel_size_from_DDCv2(
- struct tmds_chip_information *tmds_chip,
- struct tmds_setting_information *tmds_setting)
-{
- int restore;
- unsigned char R_Buffer[2];
-
- DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv2 \n");
-
- 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);
- tmds_setting->max_hres = R_Buffer[0] + (R_Buffer[1] << 8);
-
- 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", tmds_setting->max_hres);
- break;
- }
-
- tmds_chip->tmds_chip_slave_addr = restore;
-}
-
/* If Disable DVI, turn off pad */
void viafb_dvi_disable(void)
{
diff --git a/drivers/video/via/dvi.h b/drivers/video/via/dvi.h
index 2c525c0c1ad..f473dd01097 100644
--- a/drivers/video/via/dvi.h
+++ b/drivers/video/via/dvi.h
@@ -56,7 +56,7 @@
int viafb_dvi_sense(void);
void viafb_dvi_disable(void);
void viafb_dvi_enable(void);
-int __devinit viafb_tmds_trasmitter_identify(void);
+bool __devinit viafb_tmds_trasmitter_identify(void);
void __devinit viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,
struct tmds_setting_information *tmds_setting);
void viafb_dvi_set_mode(struct VideoModeTable *videoMode, int mode_bpp,
diff --git a/drivers/video/via/global.c b/drivers/video/via/global.c
index 1ee511b7330..e10d8249534 100644
--- a/drivers/video/via/global.c
+++ b/drivers/video/via/global.c
@@ -40,10 +40,6 @@ int viafb_hotplug_Yres = 480;
int viafb_hotplug_bpp = 32;
int viafb_hotplug_refresh = 60;
int viafb_primary_dev = None_Device;
-unsigned int viafb_second_xres = 640;
-unsigned int viafb_second_yres = 480;
-unsigned int viafb_second_virtual_xres;
-unsigned int viafb_second_virtual_yres;
int viafb_lcd_panel_id = LCD_PANEL_ID_MAXIMUM + 1;
struct fb_info *viafbinfo;
struct fb_info *viafbinfo1;
diff --git a/drivers/video/via/global.h b/drivers/video/via/global.h
index 38ef5ac6695..ff969dc3459 100644
--- a/drivers/video/via/global.h
+++ b/drivers/video/via/global.h
@@ -73,8 +73,6 @@ extern int viafb_hotplug_bpp;
extern int viafb_hotplug_refresh;
extern int viafb_primary_dev;
-extern unsigned int viafb_second_xres;
-extern unsigned int viafb_second_yres;
extern int viafb_lcd_panel_id;
#endif /* __GLOBAL_H__ */
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index dc4c778877c..47b13535ed2 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -20,274 +20,84 @@
*/
#include <linux/via-core.h>
+#include <asm/olpc.h>
#include "global.h"
-
-static struct pll_config cle266_pll_config[] = {
- {19, 4, 0},
- {26, 5, 0},
- {28, 5, 0},
- {31, 5, 0},
- {33, 5, 0},
- {55, 5, 0},
- {102, 5, 0},
- {53, 6, 0},
- {92, 6, 0},
- {98, 6, 0},
- {112, 6, 0},
- {41, 7, 0},
- {60, 7, 0},
- {99, 7, 0},
- {100, 7, 0},
- {83, 8, 0},
- {86, 8, 0},
- {108, 8, 0},
- {87, 9, 0},
- {118, 9, 0},
- {95, 12, 0},
- {115, 12, 0},
- {108, 13, 0},
- {83, 17, 0},
- {67, 20, 0},
- {86, 20, 0},
- {98, 20, 0},
- {121, 24, 0},
- {99, 29, 0},
- {33, 3, 1},
- {15, 4, 1},
- {23, 4, 1},
- {37, 5, 1},
- {83, 5, 1},
- {85, 5, 1},
- {94, 5, 1},
- {103, 5, 1},
- {109, 5, 1},
- {113, 5, 1},
- {121, 5, 1},
- {82, 6, 1},
- {31, 7, 1},
- {55, 7, 1},
- {84, 7, 1},
- {83, 8, 1},
- {76, 9, 1},
- {127, 9, 1},
- {33, 4, 2},
- {75, 4, 2},
- {119, 4, 2},
- {121, 4, 2},
- {91, 5, 2},
- {118, 5, 2},
- {83, 6, 2},
- {109, 6, 2},
- {90, 7, 2},
- {93, 2, 3},
- {53, 3, 3},
- {73, 4, 3},
- {89, 4, 3},
- {105, 4, 3},
- {117, 4, 3},
- {101, 5, 3},
- {121, 5, 3},
- {127, 5, 3},
- {99, 7, 3}
+#include "via_clock.h"
+
+static struct pll_limit cle266_pll_limits[] = {
+ {19, 19, 4, 0},
+ {26, 102, 5, 0},
+ {53, 112, 6, 0},
+ {41, 100, 7, 0},
+ {83, 108, 8, 0},
+ {87, 118, 9, 0},
+ {95, 115, 12, 0},
+ {108, 108, 13, 0},
+ {83, 83, 17, 0},
+ {67, 98, 20, 0},
+ {121, 121, 24, 0},
+ {99, 99, 29, 0},
+ {33, 33, 3, 1},
+ {15, 23, 4, 1},
+ {37, 121, 5, 1},
+ {82, 82, 6, 1},
+ {31, 84, 7, 1},
+ {83, 83, 8, 1},
+ {76, 127, 9, 1},
+ {33, 121, 4, 2},
+ {91, 118, 5, 2},
+ {83, 109, 6, 2},
+ {90, 90, 7, 2},
+ {93, 93, 2, 3},
+ {53, 53, 3, 3},
+ {73, 117, 4, 3},
+ {101, 127, 5, 3},
+ {99, 99, 7, 3}
};
-static struct pll_config k800_pll_config[] = {
- {22, 2, 0},
- {28, 3, 0},
- {81, 3, 1},
- {85, 3, 1},
- {98, 3, 1},
- {112, 3, 1},
- {86, 4, 1},
- {166, 4, 1},
- {109, 5, 1},
- {113, 5, 1},
- {121, 5, 1},
- {131, 5, 1},
- {143, 5, 1},
- {153, 5, 1},
- {66, 3, 2},
- {68, 3, 2},
- {95, 3, 2},
- {106, 3, 2},
- {116, 3, 2},
- {93, 4, 2},
- {119, 4, 2},
- {121, 4, 2},
- {133, 4, 2},
- {137, 4, 2},
- {117, 5, 2},
- {118, 5, 2},
- {120, 5, 2},
- {124, 5, 2},
- {132, 5, 2},
- {137, 5, 2},
- {141, 5, 2},
- {166, 5, 2},
- {170, 5, 2},
- {191, 5, 2},
- {206, 5, 2},
- {208, 5, 2},
- {30, 2, 3},
- {69, 3, 3},
- {82, 3, 3},
- {83, 3, 3},
- {109, 3, 3},
- {114, 3, 3},
- {125, 3, 3},
- {89, 4, 3},
- {103, 4, 3},
- {117, 4, 3},
- {126, 4, 3},
- {150, 4, 3},
- {161, 4, 3},
- {121, 5, 3},
- {127, 5, 3},
- {131, 5, 3},
- {134, 5, 3},
- {148, 5, 3},
- {169, 5, 3},
- {172, 5, 3},
- {182, 5, 3},
- {195, 5, 3},
- {196, 5, 3},
- {208, 5, 3},
- {66, 2, 4},
- {85, 3, 4},
- {141, 4, 4},
- {146, 4, 4},
- {161, 4, 4},
- {177, 5, 4}
+static struct pll_limit k800_pll_limits[] = {
+ {22, 22, 2, 0},
+ {28, 28, 3, 0},
+ {81, 112, 3, 1},
+ {86, 166, 4, 1},
+ {109, 153, 5, 1},
+ {66, 116, 3, 2},
+ {93, 137, 4, 2},
+ {117, 208, 5, 2},
+ {30, 30, 2, 3},
+ {69, 125, 3, 3},
+ {89, 161, 4, 3},
+ {121, 208, 5, 3},
+ {66, 66, 2, 4},
+ {85, 85, 3, 4},
+ {141, 161, 4, 4},
+ {177, 177, 5, 4}
};
-static struct pll_config cx700_pll_config[] = {
- {98, 3, 1},
- {86, 4, 1},
- {109, 5, 1},
- {110, 5, 1},
- {113, 5, 1},
- {121, 5, 1},
- {131, 5, 1},
- {135, 5, 1},
- {142, 5, 1},
- {143, 5, 1},
- {153, 5, 1},
- {187, 5, 1},
- {208, 5, 1},
- {68, 2, 2},
- {95, 3, 2},
- {116, 3, 2},
- {93, 4, 2},
- {119, 4, 2},
- {133, 4, 2},
- {137, 4, 2},
- {151, 4, 2},
- {166, 4, 2},
- {110, 5, 2},
- {112, 5, 2},
- {117, 5, 2},
- {118, 5, 2},
- {120, 5, 2},
- {132, 5, 2},
- {137, 5, 2},
- {141, 5, 2},
- {151, 5, 2},
- {166, 5, 2},
- {175, 5, 2},
- {191, 5, 2},
- {206, 5, 2},
- {174, 7, 2},
- {82, 3, 3},
- {109, 3, 3},
- {117, 4, 3},
- {150, 4, 3},
- {161, 4, 3},
- {112, 5, 3},
- {115, 5, 3},
- {121, 5, 3},
- {127, 5, 3},
- {129, 5, 3},
- {131, 5, 3},
- {134, 5, 3},
- {138, 5, 3},
- {148, 5, 3},
- {157, 5, 3},
- {169, 5, 3},
- {172, 5, 3},
- {190, 5, 3},
- {195, 5, 3},
- {196, 5, 3},
- {208, 5, 3},
- {141, 5, 4},
- {150, 5, 4},
- {166, 5, 4},
- {176, 5, 4},
- {177, 5, 4},
- {183, 5, 4},
- {202, 5, 4}
+static struct pll_limit cx700_pll_limits[] = {
+ {98, 98, 3, 1},
+ {86, 86, 4, 1},
+ {109, 208, 5, 1},
+ {68, 68, 2, 2},
+ {95, 116, 3, 2},
+ {93, 166, 4, 2},
+ {110, 206, 5, 2},
+ {174, 174, 7, 2},
+ {82, 109, 3, 3},
+ {117, 161, 4, 3},
+ {112, 208, 5, 3},
+ {141, 202, 5, 4}
};
-static struct pll_config vx855_pll_config[] = {
- {86, 4, 1},
- {108, 5, 1},
- {110, 5, 1},
- {113, 5, 1},
- {121, 5, 1},
- {131, 5, 1},
- {135, 5, 1},
- {142, 5, 1},
- {143, 5, 1},
- {153, 5, 1},
- {164, 5, 1},
- {187, 5, 1},
- {208, 5, 1},
- {110, 5, 2},
- {112, 5, 2},
- {117, 5, 2},
- {118, 5, 2},
- {124, 5, 2},
- {132, 5, 2},
- {137, 5, 2},
- {141, 5, 2},
- {149, 5, 2},
- {151, 5, 2},
- {159, 5, 2},
- {166, 5, 2},
- {167, 5, 2},
- {172, 5, 2},
- {189, 5, 2},
- {191, 5, 2},
- {194, 5, 2},
- {206, 5, 2},
- {208, 5, 2},
- {83, 3, 3},
- {88, 3, 3},
- {109, 3, 3},
- {112, 3, 3},
- {103, 4, 3},
- {105, 4, 3},
- {161, 4, 3},
- {112, 5, 3},
- {115, 5, 3},
- {121, 5, 3},
- {127, 5, 3},
- {134, 5, 3},
- {137, 5, 3},
- {148, 5, 3},
- {157, 5, 3},
- {169, 5, 3},
- {172, 5, 3},
- {182, 5, 3},
- {191, 5, 3},
- {195, 5, 3},
- {209, 5, 3},
- {142, 4, 4},
- {146, 4, 4},
- {161, 4, 4},
- {141, 5, 4},
- {150, 5, 4},
- {165, 5, 4},
- {176, 5, 4}
+static struct pll_limit vx855_pll_limits[] = {
+ {86, 86, 4, 1},
+ {108, 208, 5, 1},
+ {110, 208, 5, 2},
+ {83, 112, 3, 3},
+ {103, 161, 4, 3},
+ {112, 209, 5, 3},
+ {142, 161, 4, 4},
+ {141, 176, 5, 4}
};
/* according to VIA Technologies these values are based on experiment */
@@ -308,6 +118,42 @@ static struct io_reg scaling_parameters[] = {
{VIACR, CR87, 0xFF, 0x1F}, /* LCD Scaling Parameter 14 */
};
+static struct io_reg common_vga[] = {
+ {VIACR, CR07, 0x10, 0x10}, /* [0] vertical total (bit 8)
+ [1] vertical display end (bit 8)
+ [2] vertical retrace start (bit 8)
+ [3] start vertical blanking (bit 8)
+ [4] line compare (bit 8)
+ [5] vertical total (bit 9)
+ [6] vertical display end (bit 9)
+ [7] vertical retrace start (bit 9) */
+ {VIACR, CR08, 0xFF, 0x00}, /* [0-4] preset row scan
+ [5-6] byte panning */
+ {VIACR, CR09, 0xDF, 0x40}, /* [0-4] max scan line
+ [5] start vertical blanking (bit 9)
+ [6] line compare (bit 9)
+ [7] scan doubling */
+ {VIACR, CR0A, 0xFF, 0x1E}, /* [0-4] cursor start
+ [5] cursor disable */
+ {VIACR, CR0B, 0xFF, 0x00}, /* [0-4] cursor end
+ [5-6] cursor skew */
+ {VIACR, CR0E, 0xFF, 0x00}, /* [0-7] cursor location (high) */
+ {VIACR, CR0F, 0xFF, 0x00}, /* [0-7] cursor location (low) */
+ {VIACR, CR11, 0xF0, 0x80}, /* [0-3] vertical retrace end
+ [6] memory refresh bandwidth
+ [7] CRTC register protect enable */
+ {VIACR, CR14, 0xFF, 0x00}, /* [0-4] underline location
+ [5] divide memory address clock by 4
+ [6] double word addressing */
+ {VIACR, CR17, 0xFF, 0x63}, /* [0-1] mapping of display address 13-14
+ [2] divide scan line clock by 2
+ [3] divide memory address clock by 2
+ [5] address wrap
+ [6] byte mode select
+ [7] sync enable */
+ {VIACR, CR18, 0xFF, 0xFF}, /* [0-7] line compare */
+};
+
static struct fifo_depth_select display_fifo_depth_reg = {
/* IGA1 FIFO Depth_Select */
{IGA1_FIFO_DEPTH_SELECT_REG_NUM, {{SR17, 0, 7} } },
@@ -676,6 +522,9 @@ static struct via_device_mapping device_mapping[] = {
{VIA_LVDS2, "LVDS2"}
};
+/* structure with function pointers to support clock control */
+static struct via_clock clock;
+
static void load_fix_bit_crtc_reg(void);
static void __devinit init_gfx_chip_info(int chip_type);
static void __devinit init_tmds_chip_info(void);
@@ -770,13 +619,14 @@ static u32 get_lcd_devices(int output_interface)
/*Set IGA path for each device*/
void viafb_set_iga_path(void)
{
+ int crt_iga_path = 0;
if (viafb_SAMM_ON == 1) {
if (viafb_CRT_ON) {
if (viafb_primary_dev == CRT_Device)
- viaparinfo->crt_setting_info->iga_path = IGA1;
+ crt_iga_path = IGA1;
else
- viaparinfo->crt_setting_info->iga_path = IGA2;
+ crt_iga_path = IGA2;
}
if (viafb_DVI_ON) {
@@ -793,8 +643,7 @@ void viafb_set_iga_path(void)
UNICHROME_CLE266)) {
viaparinfo->
lvds_setting_info->iga_path = IGA2;
- viaparinfo->
- crt_setting_info->iga_path = IGA1;
+ crt_iga_path = IGA1;
viaparinfo->
tmds_setting_info->iga_path = IGA1;
} else
@@ -814,10 +663,10 @@ void viafb_set_iga_path(void)
viafb_SAMM_ON = 0;
if (viafb_CRT_ON && viafb_LCD_ON) {
- viaparinfo->crt_setting_info->iga_path = IGA1;
+ crt_iga_path = IGA1;
viaparinfo->lvds_setting_info->iga_path = IGA2;
} else if (viafb_CRT_ON && viafb_DVI_ON) {
- viaparinfo->crt_setting_info->iga_path = IGA1;
+ crt_iga_path = IGA1;
viaparinfo->tmds_setting_info->iga_path = IGA2;
} else if (viafb_LCD_ON && viafb_DVI_ON) {
viaparinfo->tmds_setting_info->iga_path = IGA1;
@@ -826,7 +675,7 @@ void viafb_set_iga_path(void)
viaparinfo->lvds_setting_info->iga_path = IGA2;
viaparinfo->lvds_setting_info2->iga_path = IGA2;
} else if (viafb_CRT_ON) {
- viaparinfo->crt_setting_info->iga_path = IGA1;
+ crt_iga_path = IGA1;
} else if (viafb_LCD_ON) {
viaparinfo->lvds_setting_info->iga_path = IGA2;
} else if (viafb_DVI_ON) {
@@ -837,7 +686,7 @@ void viafb_set_iga_path(void)
viaparinfo->shared->iga1_devices = 0;
viaparinfo->shared->iga2_devices = 0;
if (viafb_CRT_ON) {
- if (viaparinfo->crt_setting_info->iga_path == IGA1)
+ if (crt_iga_path == IGA1)
viaparinfo->shared->iga1_devices |= VIA_CRT;
else
viaparinfo->shared->iga2_devices |= VIA_CRT;
@@ -875,6 +724,10 @@ void viafb_set_iga_path(void)
viaparinfo->chip_info->
lvds_chip_info2.output_interface);
}
+
+ /* looks like the OLPC has its display wired to DVP1 and LVDS2 */
+ if (machine_is_olpc())
+ viaparinfo->shared->iga2_devices = VIA_DVP1 | VIA_LVDS2;
}
static void set_color_register(u8 index, u8 red, u8 green, u8 blue)
@@ -1162,25 +1015,17 @@ void via_odev_to_seq(struct seq_file *m, u32 odev)
static void load_fix_bit_crtc_reg(void)
{
+ viafb_unlock_crt();
+
/* always set to 1 */
viafb_write_reg_mask(CR03, VIACR, 0x80, BIT7);
/* line compare should set all bits = 1 (extend modes) */
- viafb_write_reg(CR18, VIACR, 0xff);
- /* line compare should set all bits = 1 (extend modes) */
- viafb_write_reg_mask(CR07, VIACR, 0x10, BIT4);
- /* line compare should set all bits = 1 (extend modes) */
- viafb_write_reg_mask(CR09, VIACR, 0x40, BIT6);
- /* line compare should set all bits = 1 (extend modes) */
viafb_write_reg_mask(CR35, VIACR, 0x10, BIT4);
/* line compare should set all bits = 1 (extend modes) */
viafb_write_reg_mask(CR33, VIACR, 0x06, BIT0 + BIT1 + BIT2);
/*viafb_write_reg_mask(CR32, VIACR, 0x01, BIT0); */
- /* extend mode always set to e3h */
- viafb_write_reg(CR17, VIACR, 0xe3);
- /* extend mode always set to 0h */
- viafb_write_reg(CR08, VIACR, 0x00);
- /* extend mode always set to 0h */
- viafb_write_reg(CR14, VIACR, 0x00);
+
+ viafb_lock_crt();
/* If K8M800, enable Prefetch Mode. */
if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800)
@@ -1601,69 +1446,54 @@ void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active)
}
-static u32 cle266_encode_pll(struct pll_config pll)
-{
- return (pll.multiplier << 8)
- | (pll.rshift << 6)
- | pll.divisor;
-}
-
-static u32 k800_encode_pll(struct pll_config pll)
-{
- return ((pll.divisor - 2) << 16)
- | (pll.rshift << 10)
- | (pll.multiplier - 2);
-}
-
-static u32 vx855_encode_pll(struct pll_config pll)
-{
- return (pll.divisor << 16)
- | (pll.rshift << 10)
- | pll.multiplier;
-}
-
-static inline u32 get_pll_internal_frequency(u32 ref_freq,
- struct pll_config pll)
-{
- return ref_freq / pll.divisor * pll.multiplier;
-}
-
-static inline u32 get_pll_output_frequency(u32 ref_freq, struct pll_config pll)
-{
- return get_pll_internal_frequency(ref_freq, pll)>>pll.rshift;
-}
-
-static struct pll_config get_pll_config(struct pll_config *config, int size,
+static struct via_pll_config get_pll_config(struct pll_limit *limits, int size,
int clk)
{
- struct pll_config best = config[0];
+ struct via_pll_config cur, up, down, best = {0, 1, 0};
const u32 f0 = 14318180; /* X1 frequency */
- int i;
-
- for (i = 1; i < size; i++) {
- if (abs(get_pll_output_frequency(f0, config[i]) - clk)
- < abs(get_pll_output_frequency(f0, best) - clk))
- best = config[i];
+ int i, f;
+
+ for (i = 0; i < size; i++) {
+ cur.rshift = limits[i].rshift;
+ cur.divisor = limits[i].divisor;
+ cur.multiplier = clk / ((f0 / cur.divisor)>>cur.rshift);
+ f = abs(get_pll_output_frequency(f0, cur) - clk);
+ up = down = cur;
+ up.multiplier++;
+ down.multiplier--;
+ if (abs(get_pll_output_frequency(f0, up) - clk) < f)
+ cur = up;
+ else if (abs(get_pll_output_frequency(f0, down) - clk) < f)
+ cur = down;
+
+ if (cur.multiplier < limits[i].multiplier_min)
+ cur.multiplier = limits[i].multiplier_min;
+ else if (cur.multiplier > limits[i].multiplier_max)
+ cur.multiplier = limits[i].multiplier_max;
+
+ f = abs(get_pll_output_frequency(f0, cur) - clk);
+ if (f < abs(get_pll_output_frequency(f0, best) - clk))
+ best = cur;
}
return best;
}
-u32 viafb_get_clk_value(int clk)
+static struct via_pll_config get_best_pll_config(int clk)
{
- u32 value = 0;
+ struct via_pll_config config;
switch (viaparinfo->chip_info->gfx_chip_name) {
case UNICHROME_CLE266:
case UNICHROME_K400:
- value = cle266_encode_pll(get_pll_config(cle266_pll_config,
- ARRAY_SIZE(cle266_pll_config), clk));
+ config = get_pll_config(cle266_pll_limits,
+ ARRAY_SIZE(cle266_pll_limits), clk);
break;
case UNICHROME_K800:
case UNICHROME_PM800:
case UNICHROME_CN700:
- value = k800_encode_pll(get_pll_config(k800_pll_config,
- ARRAY_SIZE(k800_pll_config), clk));
+ config = get_pll_config(k800_pll_limits,
+ ARRAY_SIZE(k800_pll_limits), clk);
break;
case UNICHROME_CX700:
case UNICHROME_CN750:
@@ -1671,92 +1501,28 @@ u32 viafb_get_clk_value(int clk)
case UNICHROME_P4M890:
case UNICHROME_P4M900:
case UNICHROME_VX800:
- value = k800_encode_pll(get_pll_config(cx700_pll_config,
- ARRAY_SIZE(cx700_pll_config), clk));
+ config = get_pll_config(cx700_pll_limits,
+ ARRAY_SIZE(cx700_pll_limits), clk);
break;
case UNICHROME_VX855:
case UNICHROME_VX900:
- value = vx855_encode_pll(get_pll_config(vx855_pll_config,
- ARRAY_SIZE(vx855_pll_config), clk));
+ config = get_pll_config(vx855_pll_limits,
+ ARRAY_SIZE(vx855_pll_limits), clk);
break;
}
- return value;
+ return config;
}
/* Set VCLK*/
void viafb_set_vclock(u32 clk, int set_iga)
{
- /* H.W. Reset : ON */
- viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
+ struct via_pll_config config = get_best_pll_config(clk);
- if (set_iga == IGA1) {
- /* Change D,N FOR VCLK */
- switch (viaparinfo->chip_info->gfx_chip_name) {
- case UNICHROME_CLE266:
- case UNICHROME_K400:
- via_write_reg(VIASR, SR46, (clk & 0x00FF));
- via_write_reg(VIASR, SR47, (clk & 0xFF00) >> 8);
- break;
-
- case UNICHROME_K800:
- case UNICHROME_PM800:
- case UNICHROME_CN700:
- case UNICHROME_CX700:
- case UNICHROME_CN750:
- case UNICHROME_K8M890:
- case UNICHROME_P4M890:
- case UNICHROME_P4M900:
- case UNICHROME_VX800:
- case UNICHROME_VX855:
- case UNICHROME_VX900:
- via_write_reg(VIASR, SR44, (clk & 0x0000FF));
- via_write_reg(VIASR, SR45, (clk & 0x00FF00) >> 8);
- via_write_reg(VIASR, SR46, (clk & 0xFF0000) >> 16);
- break;
- }
- }
-
- if (set_iga == IGA2) {
- /* Change D,N FOR LCK */
- switch (viaparinfo->chip_info->gfx_chip_name) {
- case UNICHROME_CLE266:
- case UNICHROME_K400:
- via_write_reg(VIASR, SR44, (clk & 0x00FF));
- via_write_reg(VIASR, SR45, (clk & 0xFF00) >> 8);
- break;
-
- case UNICHROME_K800:
- case UNICHROME_PM800:
- case UNICHROME_CN700:
- case UNICHROME_CX700:
- case UNICHROME_CN750:
- case UNICHROME_K8M890:
- case UNICHROME_P4M890:
- case UNICHROME_P4M900:
- case UNICHROME_VX800:
- case UNICHROME_VX855:
- case UNICHROME_VX900:
- via_write_reg(VIASR, SR4A, (clk & 0x0000FF));
- via_write_reg(VIASR, SR4B, (clk & 0x00FF00) >> 8);
- via_write_reg(VIASR, SR4C, (clk & 0xFF0000) >> 16);
- break;
- }
- }
-
- /* H.W. Reset : OFF */
- viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
-
- /* Reset PLL */
- if (set_iga == IGA1) {
- viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1);
- viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1);
- }
-
- if (set_iga == IGA2) {
- viafb_write_reg_mask(SR40, VIASR, 0x04, BIT2);
- viafb_write_reg_mask(SR40, VIASR, 0x00, BIT2);
- }
+ if (set_iga == IGA1)
+ clock.set_primary_pll(config);
+ if (set_iga == IGA2)
+ clock.set_secondary_pll(config);
/* Fire! */
via_write_misc_reg_mask(0x0C, 0x0C); /* select external clock */
@@ -2002,7 +1768,7 @@ void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
int i;
int index = 0;
int h_addr, v_addr;
- u32 pll_D_N, clock, refresh = viafb_refresh;
+ u32 clock, refresh = viafb_refresh;
if (viafb_SAMM_ON && set_iga == IGA2)
refresh = viafb_refresh1;
@@ -203