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Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6: (55 commits)
  video: udlfb: Kill off special printk wrappers, use pr_fmt().
  video: udlfb: Kill off some magic constants for EDID sizing.
  video: udlfb: deifdefify (yes, that's a word).
  fbdev: modedb: Add a new mode for 864x480 TAAL panels.
  drivers/video/i810/i810-i2c.c: fix i2c bus handling
  video: Fix the HGA framebuffer driver
  drivers/video/carminefb.c: improve error handling
  video: imxfb: Fix the maximum value for yres
  fbdev: sh_mobile_lcdcfb: Enable 32 bpp and 24 bpp support
  fbdev: sh_mipi_dsi: use platform provided register layout and values
  ARM: mach-shmobile: specify sh7372 MIPI DSI register layout
  fbdev: sh_mipi_dsi: support different register layouts
  ARM: mach-shmobile: improve MIPI DSI clock configuration
  fbdev: sh-mobile: implement MIPI DSI runtime PM support
  sisfb: eliminate compiler warnings
  sisfb: delete unused register I/O macros
  sisfb: replace setSISIDXREG with SiS_SetRegANDOR
  sisfb: replace andSISIDXREG with SiS_SetRegAND
  sisfb: replace orSISIDXREG with SiS_SetRegOR
  sisfb: replace outSISIDXREG with SiS_SetReg
  ...
This commit is contained in:
Linus Torvalds 2011-01-06 13:35:12 -08:00
parent 9858a38ea3 1928e87bcf
commit 84b7290cca
46 changed files with 4815 additions and 1096 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

0
drivers/staging/udlfb/udlfb.txt → Documentation/fb/udlfb.txt
View File

70
arch/arm/mach-shmobile/board-ap4evb.c
View File

@ -501,7 +501,12 @@ static struct platform_device keysc_device = {
static struct resource mipidsi0_resources[] = {
[0] = {
.start = 0xffc60000,
.end = 0xffc68fff,
.end = 0xffc63073,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 0xffc68000,
.end = 0xffc680ef,
.flags = IORESOURCE_MEM,
},
};
@ -509,6 +514,7 @@ static struct resource mipidsi0_resources[] = {
static struct sh_mipi_dsi_info mipidsi0_info = {
.data_format = MIPI_RGB888,
.lcd_chan = &lcdc_info.ch[0],
.vsynw_offset = 17,
};
static struct platform_device mipidsi0_device = {
@ -521,44 +527,6 @@ static struct platform_device mipidsi0_device = {
},
};
/* This function will disappear when we switch to (runtime) PM */
static int __init ap4evb_init_display_clk(void)
{
struct clk *lcdc_clk;
struct clk *dsitx_clk;
int ret;
lcdc_clk = clk_get(&lcdc_device.dev, "sh_mobile_lcdc_fb.0");
if (IS_ERR(lcdc_clk))
return PTR_ERR(lcdc_clk);
dsitx_clk = clk_get(&mipidsi0_device.dev, "sh-mipi-dsi.0");
if (IS_ERR(dsitx_clk)) {
ret = PTR_ERR(dsitx_clk);
goto eclkdsitxget;
}
ret = clk_enable(lcdc_clk);
if (ret < 0)
goto eclklcdcon;
ret = clk_enable(dsitx_clk);
if (ret < 0)
goto eclkdsitxon;
return 0;
eclkdsitxon:
clk_disable(lcdc_clk);
eclklcdcon:
clk_put(dsitx_clk);
eclkdsitxget:
clk_put(lcdc_clk);
return ret;
}
device_initcall(ap4evb_init_display_clk);
static struct platform_device *qhd_devices[] __initdata = {
&mipidsi0_device,
&keysc_device,
@ -764,10 +732,15 @@ static struct platform_device lcdc1_device = {
},
};
static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
unsigned long *parent_freq);
static struct sh_mobile_hdmi_info hdmi_info = {
.lcd_chan = &sh_mobile_lcdc1_info.ch[0],
.lcd_dev = &lcdc1_device.dev,
.flags = HDMI_SND_SRC_SPDIF,
.clk_optimize_parent = ap4evb_clk_optimize,
};
static struct resource hdmi_resources[] = {
@ -794,6 +767,25 @@ static struct platform_device hdmi_device = {
},
};
static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
unsigned long *parent_freq)
{
struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
long error;
if (IS_ERR(hdmi_ick)) {
int ret = PTR_ERR(hdmi_ick);
pr_err("Cannot get HDMI ICK: %d\n", ret);
return ret;
}
error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
clk_put(hdmi_ick);
return error;
}
static struct gpio_led ap4evb_leds[] = {
{
.name = "led4",

13
arch/arm/mach-shmobile/clock-sh7372.c
View File

@ -507,7 +507,7 @@ enum { MSTP001,
MSTP223,
MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312,
MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403,
MSTP423, MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403,
MSTP_NR };
#define MSTP(_parent, _reg, _bit, _flags) \
@ -543,6 +543,7 @@ static struct clk mstp_clks[MSTP_NR] = {
[MSTP314] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */
[MSTP313] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */
[MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMC */
[MSTP423] = MSTP(&div4_clks[DIV4_B], SMSTPCR4, 23, 0), /* DSITX1 */
[MSTP415] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 15, 0), /* SDHI2 */
[MSTP413] = MSTP(&pllc1_div2_clk, SMSTPCR4, 13, 0), /* HDMI */
[MSTP411] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 11, 0), /* IIC3 */
@ -596,9 +597,10 @@ static struct clk_lookup lookups[] = {
CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]),
CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]),
CLKDEV_CON_ID("hdmi_clk", &div6_reparent_clks[DIV6_HDMI]),
CLKDEV_CON_ID("dsit_clk", &div6_clks[DIV6_DSIT]),
CLKDEV_CON_ID("dsi0p_clk", &div6_clks[DIV6_DSI0P]),
CLKDEV_CON_ID("dsi1p_clk", &div6_clks[DIV6_DSI1P]),
CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSIT]),
CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]),
CLKDEV_ICK_ID("dsi0p_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]),
CLKDEV_ICK_ID("dsi1p_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSI1P]),
/* MSTP32 clocks */
CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* IIC2 */
@ -610,7 +612,7 @@ static struct clk_lookup lookups[] = {
CLKDEV_DEV_ID("sh-mobile-csi2.0", &mstp_clks[MSTP126]), /* CSI2 */
CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), /* TMU00 */
CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP125]), /* TMU01 */
CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX */
CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX0 */
CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), /* LCDC1 */
CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* IIC0 */
CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[MSTP106]), /* JPU */
@ -633,6 +635,7 @@ static struct clk_lookup lookups[] = {
CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */
CLKDEV_DEV_ID("sh-mipi-dsi.1", &mstp_clks[MSTP423]), /* DSITX1 */
CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]), /* SDHI2 */
CLKDEV_DEV_ID("sh-mobile-hdmi", &mstp_clks[MSTP413]), /* HDMI */
CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* IIC3 */

2
drivers/staging/Kconfig
View File

@ -111,8 +111,6 @@ source "drivers/staging/vt6655/Kconfig"
source "drivers/staging/vt6656/Kconfig"
source "drivers/staging/udlfb/Kconfig"
source "drivers/staging/hv/Kconfig"
source "drivers/staging/vme/Kconfig"

1
drivers/staging/Makefile
View File

@ -38,7 +38,6 @@ obj-$(CONFIG_USB_SERIAL_QUATECH_USB2) += quatech_usb2/
obj-$(CONFIG_OCTEON_ETHERNET) += octeon/
obj-$(CONFIG_VT6655) += vt6655/
obj-$(CONFIG_VT6656) += vt6656/
obj-$(CONFIG_FB_UDL) += udlfb/
obj-$(CONFIG_HYPERV) += hv/
obj-$(CONFIG_VME_BUS) += vme/
obj-$(CONFIG_MRST_RAR_HANDLER) += memrar/

14
drivers/staging/udlfb/Kconfig
View File

@ -1,14 +0,0 @@
config FB_UDL
tristate "Displaylink USB Framebuffer support"
depends on FB && USB
select FB_MODE_HELPERS
select FB_SYS_FILLRECT
select FB_SYS_COPYAREA
select FB_SYS_IMAGEBLIT
select FB_SYS_FOPS
select FB_DEFERRED_IO
---help---
This is a kernel framebuffer driver for DisplayLink USB devices.
Supports fbdev clients like xf86-video-fbdev, kdrive, fbi, and
mplayer -vo fbdev. Supports all USB 2.0 era DisplayLink devices.
To compile as a module, choose M here: the module name is udlfb.

1
drivers/staging/udlfb/Makefile
View File

@ -1 +0,0 @@
obj-$(CONFIG_FB_UDL) += udlfb.o

120
drivers/video/Kconfig
View File

@ -186,6 +186,14 @@ config FB_SYS_FOPS
depends on FB
default n
config FB_WMT_GE_ROPS
tristate
depends on FB
default n
---help---
Include functions for accelerated rectangle filling and area
copying using WonderMedia Graphics Engine operations.
config FB_DEFERRED_IO
bool
depends on FB
@ -635,6 +643,72 @@ config FB_BFIN_LQ035Q1
To compile this driver as a module, choose M here: the
module will be called bfin-lq035q1-fb.
config FB_BF537_LQ035
tristate "SHARP LQ035 TFT LCD (BF537 STAMP)"
depends on FB && (BF534 || BF536 || BF537) && I2C_BLACKFIN_TWI
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select BFIN_GPTIMERS
help
This is the framebuffer device for a SHARP LQ035Q7DB03 TFT LCD
attached to a BF537.
To compile this driver as a module, choose M here: the
module will be called bf537-lq035.
config FB_BFIN_7393
tristate "Blackfin ADV7393 Video encoder"
depends on FB && BLACKFIN
select I2C
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
help
This is the framebuffer device for a ADV7393 video encoder
attached to a Blackfin on the PPI port.
If your Blackfin board has a ADV7393 select Y.
To compile this driver as a module, choose M here: the
module will be called bfin_adv7393fb.
choice
prompt "Video mode support"
depends on FB_BFIN_7393
default NTSC
config NTSC
bool 'NTSC 720x480'
config PAL
bool 'PAL 720x576'
config NTSC_640x480
bool 'NTSC 640x480 (Experimental)'
config PAL_640x480
bool 'PAL 640x480 (Experimental)'
config NTSC_YCBCR
bool 'NTSC 720x480 YCbCR input'
config PAL_YCBCR
bool 'PAL 720x576 YCbCR input'
endchoice
choice
prompt "Size of ADV7393 frame buffer memory Single/Double Size"
depends on (FB_BFIN_7393)
default ADV7393_1XMEM
config ADV7393_1XMEM
bool 'Single'
config ADV7393_2XMEM
bool 'Double'
endchoice
config FB_STI
tristate "HP STI frame buffer device support"
depends on FB && PARISC
@ -750,24 +824,14 @@ config FB_N411
config FB_HGA
tristate "Hercules mono graphics support"
depends on FB && X86
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
help
Say Y here if you have a Hercules mono graphics card.
To compile this driver as a module, choose M here: the
module will be called hgafb.
As this card technology is 15 years old, most people will answer N
here.
config FB_HGA_ACCEL
bool "Hercules mono Acceleration functions (EXPERIMENTAL)"
depends on FB_HGA && EXPERIMENTAL
---help---
This will compile the Hercules mono graphics with
acceleration functions.
As this card technology is at least 25 years old,
most people will answer N here.
config FB_SGIVW
tristate "SGI Visual Workstation framebuffer support"
@ -1722,6 +1786,24 @@ config FB_AU1200
various panels and CRTs by passing in kernel cmd line option
au1200fb:panel=<name>.
config FB_VT8500
bool "VT8500 LCD Driver"
depends on (FB = y) && ARM && ARCH_VT8500 && VTWM_VERSION_VT8500
select FB_WMT_GE_ROPS
select FB_SYS_IMAGEBLIT
help
This is the framebuffer driver for VIA VT8500 integrated LCD
controller.
config FB_WM8505
bool "WM8505 frame buffer support"
depends on (FB = y) && ARM && ARCH_VT8500 && VTWM_VERSION_WM8505
select FB_WMT_GE_ROPS
select FB_SYS_IMAGEBLIT
help
This is the framebuffer driver for WonderMedia WM8505
integrated LCD controller.
source "drivers/video/geode/Kconfig"
config FB_HIT
@ -2034,6 +2116,20 @@ config FB_SM501
If unsure, say N.
config FB_UDL
tristate "Displaylink USB Framebuffer support"
depends on FB && USB
select FB_MODE_HELPERS
select FB_SYS_FILLRECT
select FB_SYS_COPYAREA
select FB_SYS_IMAGEBLIT
select FB_SYS_FOPS
select FB_DEFERRED_IO
---help---
This is a kernel framebuffer driver for DisplayLink USB devices.
Supports fbdev clients like xf86-video-fbdev, kdrive, fbi, and
mplayer -vo fbdev. Supports all USB 2.0 era DisplayLink devices.
To compile as a module, choose M here: the module name is udlfb.
config FB_PNX4008_DUM
tristate "Display Update Module support on Philips PNX4008 board"

6
drivers/video/Makefile
View File

@ -26,6 +26,7 @@ obj-$(CONFIG_FB_SVGALIB) += svgalib.o
obj-$(CONFIG_FB_MACMODES) += macmodes.o
obj-$(CONFIG_FB_DDC) += fb_ddc.o
obj-$(CONFIG_FB_DEFERRED_IO) += fb_defio.o
obj-$(CONFIG_FB_WMT_GE_ROPS) += wmt_ge_rops.o
# Hardware specific drivers go first
obj-$(CONFIG_FB_AMIGA) += amifb.o c2p_planar.o
@ -104,6 +105,8 @@ obj-$(CONFIG_FB_W100) += w100fb.o
obj-$(CONFIG_FB_TMIO) += tmiofb.o
obj-$(CONFIG_FB_AU1100) += au1100fb.o
obj-$(CONFIG_FB_AU1200) += au1200fb.o
obj-$(CONFIG_FB_VT8500) += vt8500lcdfb.o
obj-$(CONFIG_FB_WM8505) += wm8505fb.o
obj-$(CONFIG_FB_PMAG_AA) += pmag-aa-fb.o
obj-$(CONFIG_FB_PMAG_BA) += pmag-ba-fb.o
obj-$(CONFIG_FB_PMAGB_B) += pmagb-b-fb.o
@ -122,6 +125,7 @@ obj-$(CONFIG_FB_PNX4008_DUM_RGB) += pnx4008/
obj-$(CONFIG_FB_IBM_GXT4500) += gxt4500.o
obj-$(CONFIG_FB_PS3) += ps3fb.o
obj-$(CONFIG_FB_SM501) += sm501fb.o
obj-$(CONFIG_FB_UDL) += udlfb.o
obj-$(CONFIG_FB_XILINX) += xilinxfb.o
obj-$(CONFIG_SH_MIPI_DSI) += sh_mipi_dsi.o
obj-$(CONFIG_FB_SH_MOBILE_HDMI) += sh_mobile_hdmi.o
@ -141,9 +145,11 @@ obj-$(CONFIG_FB_VESA) += vesafb.o
obj-$(CONFIG_FB_EFI) += efifb.o
obj-$(CONFIG_FB_VGA16) += vga16fb.o
obj-$(CONFIG_FB_OF) += offb.o
obj-$(CONFIG_FB_BF537_LQ035) += bf537-lq035.o
obj-$(CONFIG_FB_BF54X_LQ043) += bf54x-lq043fb.o
obj-$(CONFIG_FB_BFIN_LQ035Q1) += bfin-lq035q1-fb.o
obj-$(CONFIG_FB_BFIN_T350MCQB) += bfin-t350mcqb-fb.o
obj-$(CONFIG_FB_BFIN_7393) += bfin_adv7393fb.o
obj-$(CONFIG_FB_MX3) += mx3fb.o
obj-$(CONFIG_FB_DA8XX) += da8xx-fb.o

914
drivers/video/bf537-lq035.c Normal file
View File

@ -0,0 +1,914 @@
/*
* Analog Devices Blackfin(BF537 STAMP) + SHARP TFT LCD.
* http://docs.blackfin.uclinux.org/doku.php?id=hw:cards:tft-lcd
*
* Copyright 2006-2010 Analog Devices Inc.
* Licensed under the GPL-2.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/timer.h>
#include <linux/device.h>
#include <linux/backlight.h>
#include <linux/lcd.h>
#include <linux/i2c.h>
#include <linux/spinlock.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <asm/blackfin.h>
#include <asm/irq.h>
#include <asm/dpmc.h>
#include <asm/dma.h>
#include <asm/portmux.h>
#define NO_BL 1
#define MAX_BRIGHENESS 95
#define MIN_BRIGHENESS 5
#define NBR_PALETTE 256
static const unsigned short ppi_pins[] = {
P_PPI0_CLK, P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3,
P_PPI0_D4, P_PPI0_D5, P_PPI0_D6, P_PPI0_D7,
P_PPI0_D8, P_PPI0_D9, P_PPI0_D10, P_PPI0_D11,
P_PPI0_D12, P_PPI0_D13, P_PPI0_D14, P_PPI0_D15, 0
};
static unsigned char *fb_buffer; /* RGB Buffer */
static unsigned long *dma_desc_table;
static int t_conf_done, lq035_open_cnt;
static DEFINE_SPINLOCK(bfin_lq035_lock);
static int landscape;
module_param(landscape, int, 0);
MODULE_PARM_DESC(landscape,
"LANDSCAPE use 320x240 instead of Native 240x320 Resolution");
static int bgr;
module_param(bgr, int, 0);
MODULE_PARM_DESC(bgr,
"BGR use 16-bit BGR-565 instead of RGB-565");
static int nocursor = 1;
module_param(nocursor, int, 0644);
MODULE_PARM_DESC(nocursor, "cursor enable/disable");
static unsigned long current_brightness; /* backlight */
/* AD5280 vcomm */
static unsigned char vcomm_value = 150;
static struct i2c_client *ad5280_client;
static void set_vcomm(void)
{
int nr;
if (!ad5280_client)
return;
nr = i2c_smbus_write_byte_data(ad5280_client, 0x00, vcomm_value);
if (nr)
pr_err("i2c_smbus_write_byte_data fail: %d\n", nr);
}
static int __devinit ad5280_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int ret;
if (!i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_BYTE_DATA)) {
dev_err(&client->dev, "SMBUS Byte Data not Supported\n");
return -EIO;
}
ret = i2c_smbus_write_byte_data(client, 0x00, vcomm_value);
if (ret) {
dev_err(&client->dev, "write fail: %d\n", ret);
return ret;
}
ad5280_client = client;
return 0;
}
static int __devexit ad5280_remove(struct i2c_client *client)
{
ad5280_client = NULL;
return 0;
}
static const struct i2c_device_id ad5280_id[] = {
{"bf537-lq035-ad5280", 0},
{}
};
MODULE_DEVICE_TABLE(i2c, ad5280_id);
static struct i2c_driver ad5280_driver = {
.driver = {
.name = "bf537-lq035-ad5280",
},
.probe = ad5280_probe,
.remove = __devexit_p(ad5280_remove),
.id_table = ad5280_id,
};
#ifdef CONFIG_PNAV10
#define MOD GPIO_PH13
#define bfin_write_TIMER_LP_CONFIG bfin_write_TIMER0_CONFIG
#define bfin_write_TIMER_LP_WIDTH bfin_write_TIMER0_WIDTH
#define bfin_write_TIMER_LP_PERIOD bfin_write_TIMER0_PERIOD
#define bfin_read_TIMER_LP_COUNTER bfin_read_TIMER0_COUNTER
#define TIMDIS_LP TIMDIS0
#define TIMEN_LP TIMEN0
#define bfin_write_TIMER_SPS_CONFIG bfin_write_TIMER1_CONFIG
#define bfin_write_TIMER_SPS_WIDTH bfin_write_TIMER1_WIDTH
#define bfin_write_TIMER_SPS_PERIOD bfin_write_TIMER1_PERIOD
#define TIMDIS_SPS TIMDIS1
#define TIMEN_SPS TIMEN1
#define bfin_write_TIMER_SP_CONFIG bfin_write_TIMER5_CONFIG
#define bfin_write_TIMER_SP_WIDTH bfin_write_TIMER5_WIDTH
#define bfin_write_TIMER_SP_PERIOD bfin_write_TIMER5_PERIOD
#define TIMDIS_SP TIMDIS5
#define TIMEN_SP TIMEN5
#define bfin_write_TIMER_PS_CLS_CONFIG bfin_write_TIMER2_CONFIG
#define bfin_write_TIMER_PS_CLS_WIDTH bfin_write_TIMER2_WIDTH
#define bfin_write_TIMER_PS_CLS_PERIOD bfin_write_TIMER2_PERIOD
#define TIMDIS_PS_CLS TIMDIS2
#define TIMEN_PS_CLS TIMEN2
#define bfin_write_TIMER_REV_CONFIG bfin_write_TIMER3_CONFIG
#define bfin_write_TIMER_REV_WIDTH bfin_write_TIMER3_WIDTH
#define bfin_write_TIMER_REV_PERIOD bfin_write_TIMER3_PERIOD
#define TIMDIS_REV TIMDIS3
#define TIMEN_REV TIMEN3
#define bfin_read_TIMER_REV_COUNTER bfin_read_TIMER3_COUNTER
#define FREQ_PPI_CLK (5*1024*1024) /* PPI_CLK 5MHz */
#define TIMERS {P_TMR0, P_TMR1, P_TMR2, P_TMR3, P_TMR5, 0}
#else
#define UD GPIO_PF13 /* Up / Down */
#define MOD GPIO_PF10
#define LBR GPIO_PF14 /* Left Right */
#define bfin_write_TIMER_LP_CONFIG bfin_write_TIMER6_CONFIG
#define bfin_write_TIMER_LP_WIDTH bfin_write_TIMER6_WIDTH
#define bfin_write_TIMER_LP_PERIOD bfin_write_TIMER6_PERIOD
#define bfin_read_TIMER_LP_COUNTER bfin_read_TIMER6_COUNTER
#define TIMDIS_LP TIMDIS6
#define TIMEN_LP TIMEN6
#define bfin_write_TIMER_SPS_CONFIG bfin_write_TIMER1_CONFIG
#define bfin_write_TIMER_SPS_WIDTH bfin_write_TIMER1_WIDTH
#define bfin_write_TIMER_SPS_PERIOD bfin_write_TIMER1_PERIOD
#define TIMDIS_SPS TIMDIS1
#define TIMEN_SPS TIMEN1
#define bfin_write_TIMER_SP_CONFIG bfin_write_TIMER0_CONFIG
#define bfin_write_TIMER_SP_WIDTH bfin_write_TIMER0_WIDTH
#define bfin_write_TIMER_SP_PERIOD bfin_write_TIMER0_PERIOD
#define TIMDIS_SP TIMDIS0
#define TIMEN_SP TIMEN0
#define bfin_write_TIMER_PS_CLS_CONFIG bfin_write_TIMER7_CONFIG
#define bfin_write_TIMER_PS_CLS_WIDTH bfin_write_TIMER7_WIDTH
#define bfin_write_TIMER_PS_CLS_PERIOD bfin_write_TIMER7_PERIOD
#define TIMDIS_PS_CLS TIMDIS7
#define TIMEN_PS_CLS TIMEN7
#define bfin_write_TIMER_REV_CONFIG bfin_write_TIMER5_CONFIG
#define bfin_write_TIMER_REV_WIDTH bfin_write_TIMER5_WIDTH
#define bfin_write_TIMER_REV_PERIOD bfin_write_TIMER5_PERIOD
#define TIMDIS_REV TIMDIS5
#define TIMEN_REV TIMEN5
#define bfin_read_TIMER_REV_COUNTER bfin_read_TIMER5_COUNTER
#define FREQ_PPI_CLK (6*1000*1000) /* PPI_CLK 6MHz */
#define TIMERS {P_TMR0, P_TMR1, P_TMR5, P_TMR6, P_TMR7, 0}
#endif
#define LCD_X_RES 240 /* Horizontal Resolution */
#define LCD_Y_RES 320 /* Vertical Resolution */
#define LCD_BBP 16 /* Bit Per Pixel */
/* the LCD and the DMA start counting differently;
* since one starts at 0 and the other starts at 1,
* we have a difference of 1 between START_LINES
* and U_LINES.
*/
#define START_LINES 8 /* lines for field flyback or field blanking signal */
#define U_LINES 9 /* number of undisplayed blanking lines */
#define FRAMES_PER_SEC (60)
#define DCLKS_PER_FRAME (FREQ_PPI_CLK/FRAMES_PER_SEC)
#define DCLKS_PER_LINE (DCLKS_PER_FRAME/(LCD_Y_RES+U_LINES))
#define PPI_CONFIG_VALUE (PORT_DIR|XFR_TYPE|DLEN_16|POLS)
#define PPI_DELAY_VALUE (0)
#define TIMER_CONFIG (PWM_OUT|PERIOD_CNT|TIN_SEL|CLK_SEL)
#define ACTIVE_VIDEO_MEM_OFFSET (LCD_X_RES*START_LINES*(LCD_BBP/8))
#define ACTIVE_VIDEO_MEM_SIZE (LCD_Y_RES*LCD_X_RES*(LCD_BBP/8))
#define TOTAL_VIDEO_MEM_SIZE ((LCD_Y_RES+U_LINES)*LCD_X_RES*(LCD_BBP/8))
#define TOTAL_DMA_DESC_SIZE (2 * sizeof(u32) * (LCD_Y_RES + U_LINES))
static void start_timers(void) /* CHECK with HW */
{
unsigned long flags;
local_irq_save(flags);
bfin_write_TIMER_ENABLE(TIMEN_REV);
SSYNC();
while (bfin_read_TIMER_REV_COUNTER() <= 11)
continue;
bfin_write_TIMER_ENABLE(TIMEN_LP);
SSYNC();
while (bfin_read_TIMER_LP_COUNTER() < 3)
continue;
bfin_write_TIMER_ENABLE(TIMEN_SP|TIMEN_SPS|TIMEN_PS_CLS);
SSYNC();
t_conf_done = 1;
local_irq_restore(flags);
}
static void config_timers(void)
{
/* Stop timers */
bfin_write_TIMER_DISABLE(TIMDIS_SP|TIMDIS_SPS|TIMDIS_REV|
TIMDIS_LP|TIMDIS_PS_CLS);
SSYNC();
/* LP, timer 6 */
bfin_write_TIMER_LP_CONFIG(TIMER_CONFIG|PULSE_HI);
bfin_write_TIMER_LP_WIDTH(1);
bfin_write_TIMER_LP_PERIOD(DCLKS_PER_LINE);
SSYNC();
/* SPS, timer 1 */
bfin_write_TIMER_SPS_CONFIG(TIMER_CONFIG|PULSE_HI);
bfin_write_TIMER_SPS_WIDTH(DCLKS_PER_LINE*2);
bfin_write_TIMER_SPS_PERIOD((DCLKS_PER_LINE * (LCD_Y_RES+U_LINES)));
SSYNC();
/* SP, timer 0 */
bfin_write_TIMER_SP_CONFIG(TIMER_CONFIG|PULSE_HI);
bfin_write_TIMER_SP_WIDTH(1);
bfin_write_TIMER_SP_PERIOD(DCLKS_PER_LINE);
SSYNC();
/* PS & CLS, timer 7 */
bfin_write_TIMER_PS_CLS_CONFIG(TIMER_CONFIG);
bfin_write_TIMER_PS_CLS_WIDTH(LCD_X_RES + START_LINES);
bfin_write_TIMER_PS_CLS_PERIOD(DCLKS_PER_LINE);
SSYNC();
#ifdef NO_BL
/* REV, timer 5 */
bfin_write_TIMER_REV_CONFIG(TIMER_CONFIG|PULSE_HI);
bfin_write_TIMER_REV_WIDTH(DCLKS_PER_LINE);
bfin_write_TIMER_REV_PERIOD(DCLKS_PER_LINE*2);
SSYNC();
#endif
}
static void config_ppi(void)
{
bfin_write_PPI_DELAY(PPI_DELAY_VALUE);
bfin_write_PPI_COUNT(LCD_X_RES-1);
/* 0x10 -> PORT_CFG -> 2 or 3 frame syncs */
bfin_write_PPI_CONTROL((PPI_CONFIG_VALUE|0x10) & (~POLS));
}
static int config_dma(void)
{
u32 i;
if (landscape) {
for (i = 0; i < U_LINES; ++i) {
/* blanking lines point to first line of fb_buffer */
dma_desc_table[2*i] = (unsigned long)&dma_desc_table[2*i+2];
dma_desc_table[2*i+1] = (unsigned long)fb_buffer;
}
for (i = U_LINES; i < U_LINES + LCD_Y_RES; ++i) {
/* visible lines */
dma_desc_table[2*i] = (unsigned long)&dma_desc_table[2*i+2];
dma_desc_table[2*i+1] = (unsigned long)fb_buffer +
(LCD_Y_RES+U_LINES-1-i)*2;
}
/* last descriptor points to first */
dma_desc_table[2*(LCD_Y_RES+U_LINES-1)] = (unsigned long)&dma_desc_table[0];
set_dma_x_count(CH_PPI, LCD_X_RES);
set_dma_x_modify(CH_PPI, LCD_Y_RES * (LCD_BBP / 8));
set_dma_y_count(CH_PPI, 0);
set_dma_y_modify(CH_PPI, 0);
set_dma_next_desc_addr(CH_PPI, (void *)dma_desc_table[0]);
set_dma_config(CH_PPI, DMAFLOW_LARGE | NDSIZE_4 | WDSIZE_16);
} else {
set_dma_config(CH_PPI, set_bfin_dma_config(DIR_READ,
DMA_FLOW_AUTO,
INTR_DISABLE,
DIMENSION_2D,
DATA_SIZE_16,
DMA_NOSYNC_KEEP_DMA_BUF));
set_dma_x_count(CH_PPI, LCD_X_RES);
set_dma_x_modify(CH_PPI, LCD_BBP / 8);
set_dma_y_count(CH_PPI, LCD_Y_RES+U_LINES);
set_dma_y_modify(CH_PPI, LCD_BBP / 8);
set_dma_start_addr(CH_PPI, (unsigned long) fb_buffer);
}
return 0;
}
static int __devinit request_ports(void)
{
u16 tmr_req[] = TIMERS;
/*
UD: PF13
MOD: PF10
LBR: PF14
PPI_CLK: PF15
*/
if (peripheral_request_list(ppi_pins, KBUILD_MODNAME)) {
pr_err("requesting PPI peripheral failed\n");
return -EBUSY;
}
if (peripheral_request_list(tmr_req, KBUILD_MODNAME)) {
peripheral_free_list(ppi_pins);
pr_err("requesting timer peripheral failed\n");
return -EBUSY;
}
#if (defined(UD) && defined(LBR))
if (gpio_request(UD, KBUILD_MODNAME)) {
pr_err("requesting GPIO %d failed\n", UD);
return -EBUSY;
}
if (gpio_request(LBR, KBUILD_MODNAME)) {
pr_err("requesting GPIO %d failed\n", LBR);
gpio_free(UD);
return -EBUSY;
}
gpio_direction_output(UD, 0);
gpio_direction_output(LBR, 1);
#endif
if (gpio_request(MOD, KBUILD_MODNAME)) {
pr_err("requesting GPIO %d failed\n", MOD);
#if (defined(UD) && defined(LBR))
gpio_free(LBR);
gpio_free(UD);
#endif
return -EBUSY;
}
gpio_direction_output(MOD, 1);
SSYNC();
return 0;
}
static void free_ports(void)
{
u16 tmr_req[] = TIMERS;
peripheral_free_list(ppi_pins);
peripheral_free_list(tmr_req);
#if defined(UD) && defined(LBR)
gpio_free(LBR);
gpio_free(UD);
#endif
gpio_free(MOD);
}
static struct fb_info bfin_lq035_fb;
static struct fb_var_screeninfo bfin_lq035_fb_defined = {
.bits_per_pixel = LCD_BBP,
.activate = FB_ACTIVATE_TEST,
.xres = LCD_X_RES, /*default portrait mode RGB*/
.yres = LCD_Y_RES,
.xres_virtual = LCD_X_RES,
.yres_virtual = LCD_Y_RES,
.height = -1,
.width = -1,
.left_margin = 0,
.right_margin = 0,
.upper_margin = 0,
.lower_margin = 0,
.red = {11, 5, 0},
.green = {5, 6, 0},
.blue = {0, 5, 0},
.transp = {0, 0, 0},
};
static struct fb_fix_screeninfo bfin_lq035_fb_fix __devinitdata = {
.id = KBUILD_MODNAME,
.smem_len = ACTIVE_VIDEO_MEM_SIZE,
.type = FB_TYPE_PACKED_PIXELS,
.visual = FB_VISUAL_TRUECOLOR,
.xpanstep = 0,
.ypanstep = 0,
.line_length = LCD_X_RES*(LCD_BBP/8),
.accel = FB_ACCEL_NONE,
};
static int bfin_lq035_fb_open(struct fb_info *info, int user)
{
unsigned long flags;
spin_lock_irqsave(&bfin_lq035_lock, flags);
lq035_open_cnt++;
spin_unlock_irqrestore(&bfin_lq035_lock, flags);
if (lq035_open_cnt <= 1) {
bfin_write_PPI_CONTROL(0);
SSYNC();
set_vcomm();
config_dma();
config_ppi();
/* start dma */
enable_dma(CH_PPI);
SSYNC();
bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN);
SSYNC();
if (!t_conf_done) {
config_timers();
start_timers();
}
/* gpio_set_value(MOD,1); */
}
return 0;
}
static int bfin_lq035_fb_release(struct fb_info *info, int user)
{
unsigned long flags;
spin_lock_irqsave(&bfin_lq035_lock, flags);
lq035_open_cnt--;
spin_unlock_irqrestore(&bfin_lq035_lock, flags);
if (lq035_open_cnt <= 0) {
bfin_write_PPI_CONTROL(0);
SSYNC();
disable_dma(CH_PPI);
}
return 0;
}
static int bfin_lq035_fb_check_var(struct fb_var_screeninfo *var,
struct fb_info *info)
{
switch (var->bits_per_pixel) {
case 16:/* DIRECTCOLOUR, 64k */
var->red.offset = info->var.red.offset;
var->green.offset = info->var.green.offset;
var->blue.offset = info->var.blue.offset;
var->red.length = info->var.red.length;
var->green.length = info->var.green.length;
var->blue.length = info->var.blue.length;
var->transp.offset = 0;
var->transp.length = 0;
var->transp.msb_right = 0;
var->red.msb_right = 0;
var->green.msb_right = 0;
var->blue.msb_right = 0;
break;
default:
pr_debug("%s: depth not supported: %u BPP\n", __func__,
var->bits_per_pixel);
return -EINVAL;
}
if (info->var.xres != var->xres ||
info->var.yres != var->yres ||
info->var.xres_virtual != var->xres_virtual ||
info->var.yres_virtual != var->yres_virtual) {
pr_debug("%s: Resolution not supported: X%u x Y%u\n",
__func__, var->xres, var->yres);
return -EINVAL;
}
/*
* Memory limit
*/
if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) {
pr_debug("%s: Memory Limit requested yres_virtual = %u\n",
__func__, var->yres_virtual);
return -ENOMEM;
}
return 0;
}
/* fb_rotate
* Rotate the display of this angle. This doesn't seems to be used by the core,
* but as our hardware supports it, so why not implementing it...
*/
static void bfin_lq035_fb_rotate(struct fb_info *fbi, int angle)
{
pr_debug("%s: %p %d", __func__, fbi, angle);
#if (defined(UD) && defined(LBR))
switch (angle) {
case 180:
gpio_set_value(LBR, 0);
gpio_set_value(UD, 1);
break;
default:
gpio_set_value(LBR, 1);
gpio_set_value(UD, 0);
break;
}
#endif
}
static int bfin_lq035_fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
{
if (nocursor)
return 0;
else
return -EINVAL; /* just to force soft_cursor() call */
}
static int bfin_lq035_fb_setcolreg(u_int regno, u_int red, u_int green,
u_int blue, u_int transp,
struct fb_info *info)
{
if (regno >= NBR_PALETTE)
return -EINVAL;
if (info->var.grayscale)
/* grayscale = 0.30*R + 0.59*G + 0.11*B */
red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
u32 value;
/* Place color in the pseudopalette */
if (regno > 16)
return -EINVAL;
red >>= (16 - info->var.red.length);
green >>= (16 - info->var.green.length);
blue >>= (16 - info->var.blue.length);
value = (red << info->var.red.offset) |
(green << info->var.green.offset)|
(blue << info->var.blue.offset);
value &= 0xFFFF;
((u32 *) (info->pseudo_palette))[regno] = value;
}
return 0;
}
static struct fb_ops bfin_lq035_fb_ops = {
.owner = THIS_MODULE,
.fb_open = bfin_lq035_fb_open,
.fb_release = bfin_lq035_fb_release,
.fb_check_var = bfin_lq035_fb_check_var,
.fb_rotate = bfin_lq035_fb_rotate,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
.fb_cursor = bfin_lq035_fb_cursor,
.fb_setcolreg = bfin_lq035_fb_setcolreg,
};
static int bl_get_brightness(struct backlight_device *bd)
{
return current_brightness;
}
static const struct backlight_ops bfin_lq035fb_bl_ops = {
.get_brightness = bl_get_brightness,
};
static struct backlight_device *bl_dev;
static int bfin_lcd_get_power(struct lcd_device *dev)
{
return 0;
}
static int bfin_lcd_set_power(struct lcd_device *dev, int power)
{
return 0;
}
static int bfin_lcd_get_contrast(struct lcd_device *dev)
{
return (int)vcomm_value;
}
static int bfin_lcd_set_contrast(struct lcd_device *dev, int contrast)
{
if (contrast > 255)
contrast = 255;
if (contrast < 0)
contrast = 0;
vcomm_value = (unsigned char)contrast;
set_vcomm();
return 0;
}
static int bfin_lcd_check_fb(struct lcd_device *lcd, struct fb_info *fi)
{
if (!fi || (fi == &bfin_lq035_fb))
return 1;
return 0;
}
static struct lcd_ops bfin_lcd_ops = {
.get_power = bfin_lcd_get_power,
.set_power = bfin_lcd_set_power,
.get_contrast = bfin_lcd_get_contrast,
.set_contrast = bfin_lcd_set_contrast,
.check_fb = bfin_lcd_check_fb,
};
static struct lcd_device *lcd_dev;
static int __devinit bfin_lq035_probe(struct platform_device *pdev)
{
struct backlight_properties props;
dma_addr_t dma_handle;
if (request_dma(CH_PPI, KBUILD_MODNAME)) {
pr_err("couldn't request PPI DMA\n");
return -EFAULT;
}
if (request_ports()) {
pr_err("couldn't request gpio port\n");
free_dma(CH_PPI);
return -EFAULT;
}
fb_buffer = dma_alloc_coherent(NULL, TOTAL_VIDEO_MEM_SIZE,
&dma_handle, GFP_KERNEL);
if (fb_buffer == NULL) {
pr_err("couldn't allocate dma buffer\n");
free_dma(CH_PPI);
free_ports();
return -ENOMEM;
}
if (L1_DATA_A_LENGTH)
dma_desc_table = l1_data_sram_zalloc(TOTAL_DMA_DESC_SIZE);
else
dma_desc_table = dma_alloc_coherent(NULL, TOTAL_DMA_DESC_SIZE,
&dma_handle, 0);
if (dma_desc_table == NULL) {
pr_err("couldn't allocate dma descriptor\n");
free_dma(CH_PPI);
free_ports();
dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
return -ENOMEM;
}
bfin_lq035_fb.screen_base = (void *)fb_buffer;
bfin_lq035_fb_fix.smem_start = (int)fb_buffer;
if (landscape) {
bfin_lq035_fb_defined.xres = LCD_Y_RES;
bfin_lq035_fb_defined.yres = LCD_X_RES;
bfin_lq035_fb_defined.xres_virtual = LCD_Y_RES;
bfin_lq035_fb_defined.yres_virtual = LCD_X_RES;
bfin_lq035_fb_fix.line_length = LCD_Y_RES*(LCD_BBP/8);
} else {
bfin_lq035_fb.screen_base += ACTIVE_VIDEO_MEM_OFFSET;
bfin_lq035_fb_fix.smem_start += ACTIVE_VIDEO_MEM_OFFSET;
}
bfin_lq035_fb_defined.green.msb_right = 0;
bfin_lq035_fb_defined.red.msb_right = 0;
bfin_lq035_fb_defined.blue.msb_right = 0;
bfin_lq035_fb_defined.green.offset = 5;
bfin_lq035_fb_defined.green.length = 6;
bfin_lq035_fb_defined.red.length = 5;
bfin_lq035_fb_defined.blue.length = 5;
if (bgr) {
bfin_lq035_fb_defined.red.offset = 0;
bfin_lq035_fb_defined.blue.offset = 11;
} else {
bfin_lq035_fb_defined.red.offset = 11;
bfin_lq035_fb_defined.blue.offset = 0;
}
bfin_lq035_fb.fbops = &bfin_lq035_fb_ops;
bfin_lq035_fb.var = bfin_lq035_fb_defined;
bfin_lq035_fb.fix = bfin_lq035_fb_fix;
bfin_lq035_fb.flags = FBINFO_DEFAULT;
bfin_lq035_fb.pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL);
if (bfin_lq035_fb.pseudo_palette == NULL) {
pr_err("failed to allocate pseudo_palette\n");
free_dma(CH_PPI);
free_ports();
dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
return -ENOMEM;
}
if (fb_alloc_cmap(&bfin_lq035_fb.cmap, NBR_PALETTE, 0) < 0) {
pr_err("failed to allocate colormap (%d entries)\n",
NBR_PALETTE);
free_dma(CH_PPI);
free_ports();
dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
kfree(bfin_lq035_fb.pseudo_palette);
return -EFAULT;
}
if (register_framebuffer(&bfin_lq035_fb) < 0) {
pr_err("unable to register framebuffer\n");
free_dma(CH_PPI);
free_ports();
dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
fb_buffer = NULL;
kfree(bfin_lq035_fb.pseudo_palette);
fb_dealloc_cmap(&bfin_lq035_fb.cmap);
return -EINVAL;
}
i2c_add_driver(&ad5280_driver);
memset(&props, 0, sizeof(props));
props.max_brightness = MAX_BRIGHENESS;
bl_dev = backlight_device_register("bf537-bl", NULL, NULL,
&bfin_lq035fb_bl_ops, &props);
lcd_dev = lcd_device_register(KBUILD_MODNAME, &pdev->dev, NULL,
&bfin_lcd_ops);
lcd_dev->props.max_contrast = 255,
pr_info("initialized");
return 0;
}
static int __devexit bfin_lq035_remove(struct platform_device *pdev)
{
if (fb_buffer != NULL)
dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
if (L1_DATA_A_LENGTH)
l1_data_sram_free(dma_desc_table);
else
dma_free_coherent(NULL, TOTAL_DMA_DESC_SIZE, NULL, 0);
bfin_write_TIMER_DISABLE(TIMEN_SP|TIMEN_SPS|TIMEN_PS_CLS|
TIMEN_LP|TIMEN_REV);
t_conf_done = 0;
free_dma(CH_PPI);
kfree(bfin_lq035_fb.pseudo_palette);
fb_dealloc_cmap(&bfin_lq035_fb.cmap);
lcd_device_unregister(lcd_dev);
backlight_device_unregister(bl_dev);
unregister_framebuffer(&bfin_lq035_fb);
i2c_del_driver(&ad5280_driver);
free_ports();
pr_info("unregistered LCD driver\n");
return 0;
}
#ifdef CONFIG_PM
static int bfin_lq035_suspend(struct platform_device *pdev, pm_message_t state)
{
if (lq035_open_cnt > 0) {
bfin_write_PPI_CONTROL(0);
SSYNC();
disable_dma(CH_PPI);
}
return 0;
}
static int bfin_lq035_resume(struct platform_device *pdev)
{
if (lq035_open_cnt > 0) {
bfin_write_PPI_CONTROL(0);
SSYNC();
config_dma();
config_ppi();
enable_dma(CH_PPI);
bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN);
SSYNC();
config_timers();
start_timers();
} else {
t_conf_done = 0;
}
return 0;
}
#else
# define bfin_lq035_suspend NULL
# define bfin_lq035_resume NULL
#endif
static struct platform_driver bfin_lq035_driver = {
.probe = bfin_lq035_probe,
.remove = __devexit_p(bfin_lq035_remove),
.suspend = bfin_lq035_suspend,
.resume = bfin_lq035_resume,
.driver = {
.name = KBUILD_MODNAME,
.owner = THIS_MODULE,
},
};
static int __init bfin_lq035_driver_init(void)
{
request_module("i2c-bfin-twi");
return platform_driver_register(&bfin_lq035_driver);
}
module_init(bfin_lq035_driver_init);
static void __exit bfin_lq035_driver_cleanup(void)
{
platform_driver_unregister(&bfin_lq035_driver);
}
module_exit(bfin_lq035_driver_cleanup);
MODULE_DESCRIPTION("SHARP LQ035Q7DB03 TFT LCD Driver");
MODULE_LICENSE("GPL");

832
drivers/video/bfin_adv7393fb.c Normal file
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@ -0,0 +1,832 @@
/*
* Frame buffer driver for ADV7393/2 video encoder
*
* Copyright 2006-2009 Analog Devices Inc.
* Licensed under the GPL-2 or late.
*/
/*
* TODO: Remove Globals
* TODO: Code Cleanup
*/
#define pr_fmt(fmt) DRIVER_NAME ": " fmt
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <asm/blackfin.h>
#include <asm/irq.h>
#include <asm/dma.h>
#include <linux/uaccess.h>
#include <linux/gpio.h>
#include <asm/portmux.h>
#include <linux/dma-mapping.h>
#include <linux/proc_fs.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/i2c-dev.h>
#include "bfin_adv7393fb.h"
static int mode = VMODE;
static int mem = VMEM;
static int nocursor = 1;
static const unsigned short ppi_pins[] = {
P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3,
P_PPI0_D4, P_PPI0_D5, P_PPI0_D6, P_PPI0_D7,
P_PPI0_D8, P_PPI0_D9, P_PPI0_D10, P_PPI0_D11,
P_PPI0_D12, P_PPI0_D13, P_PPI0_D14, P_PPI0_D15,
0
};
/*
* card parameters
*/
static struct bfin_adv7393_fb_par {
/* structure holding blackfin / adv7393 paramters when
screen is blanked */
struct {
u8 Mode; /* ntsc/pal/? */
} vga_state;
atomic_t ref_count;
} bfin_par;
/* --------------------------------------------------------------------- */
static struct fb_var_screeninfo bfin_adv7393_fb_defined = {
.xres = 720,
.yres = 480,
.xres_virtual = 720,
.yres_virtual = 480,
.bits_per_pixel = 16,
.activate = FB_ACTIVATE_TEST,
.height = -1,
.width = -1,
.left_margin = 0,
.right_margin = 0,
.upper_margin = 0,
.lower_margin = 0,
.vmode = FB_VMODE_INTERLACED,
.red = {11, 5, 0},
.green = {5, 6, 0},
.blue = {0, 5, 0},
.transp = {0, 0, 0},
};
static struct fb_fix_screeninfo bfin_adv7393_fb_fix __devinitdata = {
.id = "BFIN ADV7393",
.smem_len = 720 * 480 * 2,
.type = FB_TYPE_PACKED_PIXELS,
.visual = FB_VISUAL_TRUECOLOR,
.xpanstep = 0,
.ypanstep = 0,
.line_length = 720 * 2,
.accel = FB_ACCEL_NONE
};
static struct fb_ops bfin_adv7393_fb_ops = {
.owner = THIS_MODULE,
.fb_open = bfin_adv7393_fb_open,
.fb_release = bfin_adv7393_fb_release,
.fb_check_var = bfin_adv7393_fb_check_var,
.fb_pan_display = bfin_adv7393_fb_pan_display,
.fb_blank = bfin_adv7393_fb_blank,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
.fb_cursor = bfin_adv7393_fb_cursor,
.fb_setcolreg = bfin_adv7393_fb_setcolreg,
};
static int dma_desc_list(struct adv7393fb_device *fbdev, u16 arg)
{
if (arg == BUILD) { /* Build */
fbdev->vb1 = l1_data_sram_zalloc(sizeof(struct dmasg));
if (fbdev->vb1 == NULL)
goto error;
fbdev->av1 = l1_data_sram_zalloc(sizeof(struct dmasg));
if (fbdev->av1 == NULL)
goto error;
fbdev->vb2 = l1_data_sram_zalloc(sizeof(struct dmasg));
if (fbdev->vb2 == NULL)
goto error;
fbdev->av2 = l1_data_sram_zalloc(sizeof(struct dmasg));
if (fbdev->av2 == NULL)
goto error;
/* Build linked DMA descriptor list */
fbdev->vb1->next_desc_addr = fbdev->av1;
fbdev->av1->next_desc_addr = fbdev->vb2;
fbdev->vb2->next_desc_addr = fbdev->av2;
fbdev->av2->next_desc_addr = fbdev->vb1;
/* Save list head */
fbdev->descriptor_list_head = fbdev->av2;
/* Vertical Blanking Field 1 */
fbdev->vb1->start_addr = VB_DUMMY_MEMORY_SOURCE;
fbdev->vb1->cfg = DMA_CFG_VAL;
fbdev->vb1->x_count =
fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank;
fbdev->vb1->x_modify = 0;
fbdev->vb1->y_count = fbdev->modes[mode].vb1_lines;
fbdev->vb1->y_modify = 0;
/* Active Video Field 1 */
fbdev->av1->start_addr = (unsigned long)fbdev->fb_mem;
fbdev->av1->cfg = DMA_CFG_VAL;
fbdev->av1->x_count =
fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank;
fbdev->av1->x_modify = fbdev->modes[mode].bpp / 8;
fbdev->av1->y_count = fbdev->modes[mode].a_lines;
fbdev->av1->y_modify =
(fbdev->modes[mode].xres - fbdev->modes[mode].boeft_blank +
1) * (fbdev->modes[mode].bpp / 8);
/* Vertical Blanking Field 2 */
fbdev->vb2->start_addr = VB_DUMMY_MEMORY_SOURCE;
fbdev->vb2->cfg = DMA_CFG_VAL;
fbdev->vb2->x_count =
fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank;
fbdev->vb2->x_modify = 0;
fbdev->vb2->y_count = fbdev->modes[mode].vb2_lines;
fbdev->vb2->y_modify = 0;
/* Active Video Field 2 */
fbdev->av2->start_addr =
(unsigned long)fbdev->fb_mem + fbdev->line_len;
fbdev->av2->cfg = DMA_CFG_VAL;
fbdev->av2->x_count =
fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank;
fbdev->av2->x_modify = (fbdev->modes[mode].bpp / 8);
fbdev->av2->y_count = fbdev->modes[mode].a_lines;
fbdev->av2->y_modify =
(fbdev->modes[mode].xres - fbdev->modes[mode].boeft_blank +
1) * (fbdev->modes[mode].bpp / 8);
return 1;
}
error:
l1_data_sram_free(fbdev->vb1);
l1_data_sram_free(fbdev->av1);
l1_data_sram_free(fbdev->vb2);
l1_data_sram_free(fbdev->av2);
return 0;
}
static int bfin_config_dma(struct adv7393fb_device *fbdev)
{
BUG_ON(!(fbdev->fb_mem));
set_dma_x_count(CH_PPI, fbdev->descriptor_list_head->x_count);
set_dma_x_modify(CH_PPI, fbdev->descriptor_list_head->x_modify);
set_dma_y_count(CH_PPI, fbdev->descriptor_list_head->y_count);
set_dma_y_modify(CH_PPI, fbdev->descriptor_list_head->y_modify);
set_dma_start_addr(CH_PPI, fbdev->descriptor_list_head->start_addr);
set_dma_next_desc_addr(CH_PPI,
fbdev->descriptor_list_head->next_desc_addr);
set_dma_config(CH_PPI, fbdev->descriptor_list_head->cfg);
return 1;
}
static void bfin_disable_dma(void)
{
bfin_write_DMA0_CONFIG(bfin_read_DMA0_CONFIG() & ~DMAEN);
}
static void bfin_config_ppi(struct adv7393fb_device *fbdev)
{
if (ANOMALY_05000183) {
bfin_write_TIMER2_CONFIG(WDTH_CAP);
bfin_write_TIMER_ENABLE(TIMEN2);
}
bfin_write_PPI_CONTROL(0x381E);
bfin_write_PPI_FRAME(fbdev->modes[mode].tot_lines);
bfin_write_PPI_COUNT(fbdev->modes[mode].xres +
fbdev->modes[mode].boeft_blank - 1);
bfin_write_PPI_DELAY(fbdev->modes[mode].aoeft_blank - 1);
}
static void bfin_enable_ppi(void)
{
bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN);
}
static void bfin_disable_ppi(void)
{
bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() & ~PORT_EN);
}
static inline int adv7393_write(struct i2c_client *client, u8 reg, u8 value)
{
return i2c_smbus_write_byte_data(client, reg, value);
}
static inline int adv7393_read(struct i2c_client *client, u8 reg)
{
return i2c_smbus_read_byte_data(client, reg);
}
static int
adv7393_write_block(struct i2c_client *client,
const u8 *data, unsigned int len)
{
int ret = -1;
u8 reg;
while (len >= 2) {
reg = *data++;
ret = adv7393_write(client, reg, *data++);
if (ret < 0)
break;
len -= 2;
}
return ret;
}
static int adv7393_mode(struct i2c_client *client, u16 mode)
{
switch (mode) {
case POWER_ON: /* ADV7393 Sleep mode OFF */
adv7393_write(client, 0x00, 0x1E);
break;
case POWER_DOWN: /* ADV7393 Sleep mode ON */
adv7393_write(client, 0x00, 0x1F);
break;
case BLANK_OFF: /* Pixel Data Valid */
adv7393_write(client, 0x82, 0xCB);
break;
case BLANK_ON: /* Pixel Data Invalid */
adv7393_write(client, 0x82, 0x8B);
break;
default:
return -EINVAL;
break;
}
return 0;
}
static irqreturn_t ppi_irq_error(int irq, void *dev_id)
{
struct adv7393fb_device *fbdev = (struct adv7393fb_device *)dev_id;
u16 status = bfin_read_PPI_STATUS();
pr_debug("%s: PPI Status = 0x%X\n", __func__, status);
if (status) {
bfin_disable_dma(); /* TODO: Check Sequence */
bfin_disable_ppi();
bfin_clear_PPI_STATUS();
bfin_config_dma(fbdev);
bfin_enable_ppi();
}
return IRQ_HANDLED;
}
static int proc_output(char *buf)
{
char *p = buf;
p += sprintf(p,
"Usage:\n"
"echo 0x[REG][Value] > adv7393\n"
"example: echo 0x1234 >adv7393\n"
"writes 0x34 into Register 0x12\n");
return p - buf;
}
static int
adv7393_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
int len;
len = proc_output(page);
if (len <= off + count)
*eof = 1;
*start = page + off;
len -= off;
if (len > count)
len = count;
if (len < 0)
len = 0;
return len;
}
static int
adv7393_write_proc(struct file *file, const char __user * buffer,
unsigned long count, void *data)
{
struct adv7393fb_device *fbdev = data;
char line[8];
unsigned int val;
int ret;
ret = copy_from_user(line, buffer, count);
if (ret)
return -EFAULT;
val = simple_strtoul(line, NULL, 0);
adv7393_write(fbdev->client, val >> 8, val & 0xff);
return count;
}
static int __devinit bfin_adv7393_fb_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int ret = 0;
struct proc_dir_entry *entry;
int num_modes = ARRAY_SIZE(known_modes);
struct adv7393fb_device *fbdev = NULL;
if (mem > 2) {
dev_err(&client->dev, "mem out of allowed range [1;2]\n");
return -EINVAL;
}
if (mode > num_modes) {
dev_err(&client->dev, "mode %d: not supported", mode);
return -EFAULT;
}
fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
if (!fbdev) {
dev_err(&client->dev, "failed to allocate device private record");
return -ENOMEM;
}
i2c_set_clientdata(client, fbdev);
fbdev->modes = known_modes;
fbdev->client = client;
fbdev->fb_len =
mem * fbdev->modes[mode].xres * fbdev->modes[mode].xres *
(fbdev->modes[mode].bpp / 8);
fbdev->line_len =
fbdev->modes[mode].xres * (fbdev->modes[mode].bpp / 8);
/* Workaround "PPI Does Not Start Properly In Specific Mode" */
if (ANOMALY_05000400) {
if (gpio_request(P_IDENT(P_PPI0_FS3), "PPI0_FS3")) {
dev_err(&client->dev, "PPI0_FS3 GPIO request failed\n");
ret = -EBUSY;
goto out_8;
}
gpio_direction_output(P_IDENT(P_PPI0_FS3), 0);
}
if (peripheral_request_list(ppi_pins, DRIVER_NAME)) {
dev_err(&client->dev, "requesting PPI peripheral failed\n");
ret = -EFAULT;
goto out_8;
}
fbdev->fb_mem =
dma_alloc_coherent(NULL, fbdev->fb_len, &fbdev->dma_handle,
GFP_KERNEL);
if (NULL == fbdev->fb_mem) {
dev_err(&client->dev, "couldn't allocate dma buffer (%d bytes)\n",
(u32) fbdev->fb_len);
ret = -ENOMEM;
goto out_7;
}
fbdev->info.screen_base = (void *)fbdev->fb_mem;
bfin_adv7393_fb_fix.smem_start = (int)fbdev->fb_mem;
bfin_adv7393_fb_fix.smem_len = fbdev->fb_len;
bfin_adv7393_fb_fix.line_length = fbdev->line_len;
if (mem > 1)
bfin_adv7393_fb_fix.ypanstep = 1;
bfin_adv7393_fb_defined.red.length = 5;
bfin_adv7393_fb_defined.green.length = 6;
bfin_adv7393_fb_defined.blue.length = 5;
bfin_adv7393_fb_defined.xres = fbdev->modes[mode].xres;
bfin_adv7393_fb_defined.yres = fbdev->modes[mode].yres;
bfin_adv7393_fb_defined.xres_virtual = fbdev->modes[mode].xres;
bfin_adv7393_fb_defined.yres_virtual = mem * fbdev->modes[mode].yres;
bfin_adv7393_fb_defined.bits_per_pixel = fbdev->modes[mode].bpp;
fbdev->info.fbops = &bfin_adv7393_fb_ops;
fbdev->info.var = bfin_adv7393_fb_defined;
fbdev->info.fix = bfin_adv7393_fb_fix;
fbdev->info.par = &bfin_par;
fbdev->info.flags = FBINFO_DEFAULT;
fbdev->info.pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL);
if (!fbdev->info.pseudo_palette) {
dev_err(&client->dev, "failed to allocate pseudo_palette\n");
ret = -ENOMEM;
goto out_6;
}
if (fb_alloc_cmap(&fbdev->info.cmap, BFIN_LCD_NBR_PALETTE_ENTRIES, 0) < 0) {
dev_err(&client->dev, "failed to allocate colormap (%d entries)\n",
BFIN_LCD_NBR_PALETTE_ENTRIES);
ret = -EFAULT;
goto out_5;
}
if (request_dma(CH_PPI, "BF5xx_PPI_DMA") < 0) {
dev_err(&client->dev, "unable to request PPI DMA\n");
ret = -EFAULT;
goto out_4;
}
if (request_irq(IRQ_PPI_ERROR, ppi_irq_error, IRQF_DISABLED,
"PPI ERROR", fbdev) < 0) {
dev_err(&client->dev, "unable to request PPI ERROR IRQ\n");
ret = -EFAULT;
goto out_3;
}
fbdev->open = 0;
ret = adv7393_write_block(client, fbdev->modes[mode].adv7393_i2c_initd,
fbdev->modes[mode].adv7393_i2c_initd_len);
if (ret) {
dev_err(&client->dev, "i2c attach: init error\n");
goto out_1;
}
if (register_framebuffer(&fbdev->info) < 0) {
dev_err(&client->dev, "unable to register framebuffer\n");
ret = -EFAULT;
goto out_1;
}
dev_info(&client->dev, "fb%d: %s frame buffer device\n",
fbdev->info.node, fbdev->info.fix.id);
dev_info(&client->dev, "fb memory address : 0x%p\n", fbdev->fb_mem);
entry = create_proc_entry("driver/adv7393", 0, NULL);
if (!entry) {
dev_err(&client->dev, "unable to create /proc entry\n");
ret = -EFAULT;
goto out_0;
}
entry->read_proc = adv7393_read_proc;
entry->write_proc = adv7393_write_proc;
entry->data = fbdev;
return 0;
out_0:
unregister_framebuffer(&fbdev->info);
out_1:
free_irq(IRQ_PPI_ERROR, fbdev);
out_3:
free_dma(CH_PPI);
out_4:
dma_free_coherent(NULL, fbdev->fb_len, fbdev->fb_mem,
fbdev->dma_handle);
out_5:
fb_dealloc_cmap(&fbdev->info.cmap);
out_6:
kfree(fbdev->info.pseudo_palette);
out_7:
peripheral_free_list(ppi_pins);
out_8:
kfree(fbdev);
return ret;
}
static int bfin_adv7393_fb_open(struct fb_info *info, int user)
{
struct adv7393fb_device *fbdev = to_adv7393fb_device(info);
fbdev->info.screen_base = (void *)fbdev->fb_mem;
if (!fbdev->info.screen_base) {
dev_err(&fbdev->client->dev, "unable to map device\n");
return -ENOMEM;
}
fbdev->open = 1;
dma_desc_list(fbdev, BUILD);
adv7393_mode(fbdev->client, BLANK_OFF);
bfin_config_ppi(fbdev);
bfin_config_dma(fbdev);
bfin_enable_ppi();
return 0;
}
static int bfin_adv7393_fb_release(struct fb_info *info, int user)
{
struct adv7393fb_device *fbdev = to_adv7393fb_device(info);
adv7393_mode(fbdev->client, BLANK_ON);
bfin_disable_dma();
bfin_disable_ppi();
dma_desc_list(fbdev, DESTRUCT);
fbdev->open = 0;
return 0;
}
static int
bfin_adv7393_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
switch (var->bits_per_pixel) {
case 16:/* DIRECTCOLOUR, 64k */
var->red.offset = info->var.red.offset;
var->green.offset = info->var.green.offset;
var->blue.offset = info->var.blue.offset;
var->red.length = info->var.red.length;
var->green.length = info->var.green.length;
var->blue.length = info->var.blue.length;
var->transp.offset = 0;
var->transp.length = 0;
var->transp.msb_right = 0;
var->red.msb_right = 0;
var->green.msb_right = 0;
var->blue.msb_right = 0;
break;
default:
pr_debug("%s: depth not supported: %u BPP\n", __func__,
var->bits_per_pixel);
return -EINVAL;
}
if (info->var.xres != var->xres ||
info->var.yres != var->yres ||
info->var.xres_virtual != var->xres_virtual ||
info->var.yres_virtual != var->yres_virtual) {
pr_debug("%s: Resolution not supported: X%u x Y%u\n",
__func__, var->xres, var->yres);
return -EINVAL;
}
/*
* Memory limit
*/
if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) {
pr_debug("%s: Memory Limit requested yres_virtual = %u\n",
__func__, var->yres_virtual);
return -ENOMEM;
}
return 0;
}
static int
bfin_adv7393_fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
{
int dy;
u32 dmaaddr;
struct adv7393fb_device *fbdev = to_adv7393fb_device(info);
if (!var || !info)
return -EINVAL;
if (var->xoffset - info->var.xoffset) {
/* No support for X panning for now! */
return -EINVAL;
}
dy = var->yoffset - info->var.yoffset;
if (dy) {
pr_debug("%s: Panning screen of %d lines\n", __func__, dy);
dmaaddr = fbdev->av1->start_addr;
dmaaddr += (info->fix.line_length * dy);
/* TODO: Wait for current frame to finished */
fbdev->av1->start_addr = (unsigned long)dmaaddr;
fbdev->av2->start_addr = (unsigned long)dmaaddr + fbdev->line_len;
}
return 0;
}
/* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
static int bfin_adv7393_fb_blank(int blank, struct fb_info *info)
{
struct adv7393fb_device *fbdev = to_adv7393fb_device(info);
switch (blank) {
case VESA_NO_BLANKING:
/* Turn on panel */
adv7393_mode(fbdev->client, BLANK_OFF);
break;
case VESA_VSYNC_SUSPEND:
case VESA_HSYNC_SUSPEND:
case VESA_POWERDOWN:
/* Turn off panel */
adv7393_mode(fbdev->client, BLANK_ON);
break;
default:
return -EINVAL;
break;
}
return 0;
}
int bfin_adv7393_fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
{
if (nocursor)
return 0;
else
return -EINVAL; /* just to force soft_cursor() call */
}
static int bfin_adv7393_fb_setcolreg(u_int regno, u_int red, u_int green,
u_int blue, u_int transp,
struct fb_info *info)
{
if (regno >= BFIN_LCD_NBR_PALETTE_ENTRIES)
return -EINVAL;
if (info->var.grayscale)
/* grayscale = 0.30*R + 0.59*G + 0.11*B */
red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
u32 value;
/* Place color in the pseudopalette */
if (regno > 16)
return -EINVAL;
red >>= (16 - info->var.red.length);
green >>= (16 - info->var.green.length);
blue >>= (16 - info->var.blue.length);
value = (red << info->var.red.offset) |
(green << info->var.green.offset)|
(blue << info->var.blue.offset);
value &= 0xFFFF;
((u32 *) (info->pseudo_palette))[regno] = value;
}
return 0;
}
static int __devexit bfin_adv7393_fb_remove(struct i2c_client *client)
{
struct adv7393fb_device *fbdev = i2c_get_clientdata(client);
adv7393_mode(client, POWER_DOWN);
if (fbdev->fb_mem)
dma_free_coherent(NULL, fbdev->fb_len, fbdev->fb_mem, fbdev->dma_handle);
free_dma(CH_PPI);
free_irq(IRQ_PPI_ERROR, fbdev);
unregister_framebuffer(&fbdev->info);
remove_proc_entry("driver/adv7393", NULL);
fb_dealloc_cmap(&fbdev->info.cmap);
kfree(fbdev->info.pseudo_palette);
if (ANOMALY_05000400)
gpio_free(P_IDENT(P_PPI0_FS3)); /* FS3 */
peripheral_free_list(ppi_pins);
kfree(fbdev);
return 0;
}
#ifdef CONFIG_PM
static int bfin_adv7393_fb_suspend(struct device *dev)
{
struct adv7393fb_device *fbdev = dev_get_drvdata(dev);
if (fbdev->open) {
bfin_disable_dma();
bfin_disable_ppi();
dma_desc_list(fbdev, DESTRUCT);
}
adv7393_mode(fbdev->client, POWER_DOWN);
return 0;
}
static int bfin_adv7393_fb_resume(struct device *dev)
{
struct adv7393fb_device *fbdev = dev_get_drvdata(dev);
adv7393_mode(fbdev->client, POWER_ON);
if (fbdev->open) {
dma_desc_list(fbdev, BUILD);
bfin_config_ppi(fbdev);
bfin_config_dma(fbdev);
bfin_enable_ppi();
}
return 0;
}
static const struct dev_pm_ops bfin_adv7393_dev_pm_ops = {
.suspend = bfin_adv7393_fb_suspend,
.resume = bfin_adv7393_fb_resume,
};
#endif
static const struct i2c_device_id bfin_adv7393_id[] = {
{DRIVER_NAME, 0},
{}
};
MODULE_DEVICE_TABLE(i2c, bfin_adv7393_id);
static struct i2c_driver bfin_adv7393_fb_driver = {
.driver = {
.name = DRIVER_NAME,
#ifdef CONFIG_PM
.pm = &bfin_adv7393_dev_pm_ops,
#endif
},
.probe = bfin_adv7393_fb_probe,
.remove = __devexit_p(bfin_adv7393_fb_remove),
.id_table = bfin_adv7393_id,
};
static int __init bfin_adv7393_fb_driver_init(void)
{
#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
request_module("i2c-bfin-twi");
#else
request_module("i2c-gpio");
#endif
return i2c_add_driver(&bfin_adv7393_fb_driver);
}
module_init(bfin_adv7393_fb_driver_init);
static void __exit bfin_adv7393_fb_driver_cleanup(void)
{
i2c_del_driver(&bfin_adv7393_fb_driver);
}
module_exit(bfin_adv7393_fb_driver_cleanup);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
MODULE_DESCRIPTION("Frame buffer driver for ADV7393/2 Video Encoder");
module_param(mode, int, 0);
MODULE_PARM_DESC(mode,
"Video Mode (0=NTSC,1=PAL,2=NTSC 640x480,3=PAL 640x480,4=NTSC YCbCr input,5=PAL YCbCr input)");
module_param(mem, int, 0);
MODULE_PARM_DESC(mem,
"Size of frame buffer memory 1=Single 2=Double Size (allows y-panning / frame stacking)");
module_param(nocursor, int, 0644);
MODULE_PARM_DESC(nocursor, "cursor enable/disable");

321
drivers/video/bfin_adv7393fb.h Normal file
View File

@ -0,0 +1,321 @@
/*
* Frame buffer driver for ADV7393/2 video encoder
*
* Copyright 2006-2009 Analog Devices Inc.
* Licensed under the GPL-2 or late.
*/
#ifndef __BFIN_ADV7393FB_H__
#define __BFIN_ADV7393FB_H__
#define BFIN_LCD_NBR_PALETTE_ENTRIES 256
#ifdef CONFIG_NTSC
# define VMODE 0
#endif
#ifdef CONFIG_PAL
# define VMODE 1
#endif
#ifdef CONFIG_NTSC_640x480
# define VMODE 2
#endif
#ifdef CONFIG_PAL_640x480
# define VMODE 3
#endif
#ifdef CONFIG_NTSC_YCBCR
# define VMODE 4
#endif
#ifdef CONFIG_PAL_YCBCR
# define VMODE 5
#endif
#ifndef VMODE
# define VMODE 1
#endif
#ifdef CONFIG_ADV7393_2XMEM
# define VMEM 2
#else
# define VMEM 1
#endif
#if defined(CONFIG_BF537) || defined(CONFIG_BF536) || defined(CONFIG_BF534)
# define DMA_CFG_VAL 0x7935 /* Set Sync Bit */
# define VB_DUMMY_MEMORY_SOURCE L1_DATA_B_START
#else
# define DMA_CFG_VAL 0x7915
# define VB_DUMMY_MEMORY_SOURCE BOOT_ROM_START
#endif
enum {
DESTRUCT,
BUILD,
};
enum {
POWER_ON,
POWER_DOWN,
BLANK_ON,
BLANK_OFF,
};
#define DRIVER_NAME "bfin-adv7393"
struct adv7393fb_modes {
const s8 name[25]; /* Full name */
u16 xres; /* Active Horizonzal Pixels */
u16 yres; /* Active Vertical Pixels */
u16 bpp;
u16 vmode;
u16 a_lines; /* Active Lines per Field */
u16 vb1_lines; /* Vertical Blanking Field 1 Lines */
u16 vb2_lines; /* Vertical Blanking Field 2 Lines */
u16 tot_lines; /* Total Lines per Frame */
u16 boeft_blank; /* Before Odd/Even Field Transition No. of Blank Pixels */
u16 aoeft_blank; /* After Odd/Even Field Transition No. of Blank Pixels */
const s8 *adv7393_i2c_initd;
u16 adv7393_i2c_initd_len;
};
static const u8 init_NTSC_TESTPATTERN[] = {
0x00, 0x1E, /* Power up all DACs and PLL */
0x01, 0x00, /* SD-Only Mode */
0x80, 0x10, /* SSAF Luma Filter Enabled, NTSC Mode */
0x82, 0xCB, /* Step control on, pixel data valid, pedestal on, PrPb SSAF on, CVBS/YC output */
0x84, 0x40, /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
};
static const u8 init_NTSC[] = {
0x00, 0x1E, /* Power up all DACs and PLL */
0xC3, 0x26, /* Program RGB->YCrCb Color Space convertion matrix */
0xC5, 0x12, /* Program RGB->YCrCb Color Space convertion matrix */
0xC2, 0x4A, /* Program RGB->YCrCb Color Space convertion matrix */
0xC6, 0x5E, /* Program RGB->YCrCb Color Space convertion matrix */
0xBD, 0x19, /* Program RGB->YCrCb Color Space convertion matrix */
0xBF, 0x42, /* Program RGB->YCrCb Color Space convertion matrix */
0x8C, 0x1F, /* NTSC Subcarrier Frequency */
0x8D, 0x7C, /* NTSC Subcarrier Frequency */
0x8E, 0xF0, /* NTSC Subcarrier Frequency */
0x8F, 0x21, /* NTSC Subcarrier Frequency */
0x01, 0x00, /* SD-Only Mode */
0x80, 0x30, /* SSAF Luma Filter Enabled, NTSC Mode */
0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
0x87, 0x80, /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
0x86, 0x82,
0x8B, 0x11,
0x88, 0x20,
0x8A, 0x0d,
};
static const u8 init_PAL[] = {
0x00, 0x1E, /* Power up all DACs and PLL */
0xC3, 0x26, /* Program RGB->YCrCb Color Space convertion matrix */
0xC5, 0x12, /* Program RGB->YCrCb Color Space convertion matrix */
0xC2, 0x4A, /* Program RGB->YCrCb Color Space convertion matrix */
0xC6, 0x5E, /* Program RGB->YCrCb Color Space convertion matrix */
0xBD, 0x19, /* Program RGB->YCrCb Color Space convertion matrix */
0xBF, 0x42, /* Program RGB->YCrCb Color Space convertion matrix */
0x8C, 0xCB, /* PAL Subcarrier Frequency */
0x8D, 0x8A, /* PAL Subcarrier Frequency */
0x8E, 0x09, /* PAL Subcarrier Frequency */
0x8F, 0x2A, /* PAL Subcarrier Frequency */
0x01, 0x00, /* SD-Only Mode */
0x80, 0x11, /* SSAF Luma Filter Enabled, PAL Mode */
0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
0x87, 0x80, /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
0x86, 0x82,
0x8B, 0x11,
0x88, 0x20,
0x8A, 0x0d,
};
static const u8 init_NTSC_YCbCr[] = {
0x00, 0x1E, /* Power up all DACs and PLL */
0x8C, 0x1F, /* NTSC Subcarrier Frequency */
0x8D, 0x7C, /* NTSC Subcarrier Frequency */
0x8E, 0xF0, /* NTSC Subcarrier Frequency */
0x8F, 0x21, /* NTSC Subcarrier Frequency */
0x01, 0x00, /* SD-Only Mode */
0x80, 0x30, /* SSAF Luma Filter Enabled, NTSC Mode */
0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
0x87, 0x00, /* DAC 2 = Luma, DAC 3 = Chroma */
0x86, 0x82,
0x8B, 0x11,
0x88, 0x08,
0x8A, 0x0d,
};
static const u8 init_PAL_YCbCr[] = {
0x00, 0x1E, /* Power up all DACs and PLL */
0x8C, 0xCB, /* PAL Subcarrier Frequency */
0x8D, 0x8A, /* PAL Subcarrier Frequency */
0x8E, 0x09, /* PAL Subcarrier Frequency */
0x8F, 0x2A, /* PAL Subcarrier Frequency */
0x01, 0x00, /* SD-Only Mode */
0x80, 0x11, /* SSAF Luma Filter Enabled, PAL Mode */
0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
0x87, 0x00, /* DAC 2 = Luma, DAC 3 = Chroma */
0x86, 0x82,
0x8B, 0x11,
0x88, 0x08,
0x8A, 0x0d,
};
static struct adv7393fb_modes known_modes[] = {
/* NTSC 720x480 CRT */
{
.name = "NTSC 720x480",
.xres = 720,
.yres = 480,
.bpp = 16,
.vmode = FB_VMODE_INTERLACED,
.a_lines = 240,
.vb1_lines = 22,
.vb2_lines = 23,
.tot_lines = 525,
.boeft_blank = 16,
.aoeft_blank = 122,
.adv7393_i2c_initd = init_NTSC,
.adv7393_i2c_initd_len = sizeof(init_NTSC)
},
/* PAL 720x480 CRT */
{
.name = "PAL 720x576",
.xres = 720,
.yres = 576,
.bpp = 16,
.vmode = FB_VMODE_INTERLACED,
.a_lines = 288,
.vb1_lines = 24,
.vb2_lines = 25,
.tot_lines = 625,
.boeft_blank = 12,
.aoeft_blank = 132,
.adv7393_i2c_initd = init_PAL,
.adv7393_i2c_initd_len = sizeof(init_PAL)
},
/* NTSC 640x480 CRT Experimental */
{
.name = "NTSC 640x480",
.xres = 640,
.yres = 480,
.bpp = 16,
.vmode = FB_VMODE_INTERLACED,
.a_lines = 240,
.vb1_lines = 22,
.vb2_lines = 23,
.tot_lines = 525,
.boeft_blank = 16 + 40,
.aoeft_blank = 122 + 40,
.adv7393_i2c_initd = init_NTSC,
.adv7393_i2c_initd_len = sizeof(init_NTSC)
},
/* PAL 640x480 CRT Experimental */
{
.name = "PAL 640x480",
.xres = 640,
.yres = 480,
.bpp = 16,
.vmode = FB_VMODE_INTERLACED,
.a_lines = 288 - 20,
.vb1_lines = 24 + 20,
.vb2_lines = 25 + 20,
.tot_lines = 625,
.boeft_blank = 12 + 40,
.aoeft_blank = 132 + 40,
.adv7393_i2c_initd = init_PAL,
.adv7393_i2c_initd_len = sizeof(init_PAL)
},
/* NTSC 720x480 YCbCR */
{
.name = "NTSC 720x480 YCbCR",
.xres = 720,
.yres = 480,
.bpp = 16,
.vmode = FB_VMODE_INTERLACED,
.a_lines = 240,
.vb1_lines = 22,
.vb2_lines = 23,
.tot_lines = 525,
.boeft_blank = 16,
.aoeft_blank = 122,
.adv7393_i2c_initd = init_NTSC_YCbCr,
.adv7393_i2c_initd_len = sizeof(init_NTSC_YCbCr)
},
/* PAL 720x480 CRT */
{
.name = "PAL 720x576 YCbCR",
.xres = 720,
.yres = 576,
.bpp = 16,
.vmode = FB_VMODE_INTERLACED,
.a_lines = 288,
.vb1_lines = 24,
.vb2_lines = 25,
.tot_lines = 625,
.boeft_blank = 12,
.aoeft_blank = 132,
.adv7393_i2c_initd = init_PAL_YCbCr,
.adv7393_i2c_initd_len = sizeof(init_PAL_YCbCr)
}
};
struct adv7393fb_regs {
};
struct adv7393fb_device {
struct fb_info info; /* FB driver info record */
struct i2c_client *client;
struct dmasg *descriptor_list_head;
struct dmasg *vb1;
struct dmasg *av1;
struct dmasg *vb2;
struct dmasg *av2;
dma_addr_t dma_handle;
struct fb_info bfin_adv7393_fb;
struct adv7393fb_modes *modes;
struct adv7393fb_regs *regs; /* Registers memory map */
size_t regs_len;
size_t fb_len;
size_t line_len;
u16 open;
u16 *fb_mem; /* RGB Buffer */
};
#define to_adv7393fb_device(_info) \
(_info ? container_of(_info, struct adv7393fb_device, info) : NULL);
static int bfin_adv7393_fb_open(struct fb_info *info, int user);
static int bfin_adv7393_fb_release(struct fb_info *info, int user);
static int bfin_adv7393_fb_check_var(struct fb_var_screeninfo *var,
struct fb_info *info);
static int bfin_adv7393_fb_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info);
static int bfin_adv7393_fb_blank(int blank, struct fb_info *info);
static void bfin_config_ppi(struct adv7393fb_device *fbdev);
static int bfin_config_dma(struct adv7393fb_device *fbdev);
static void bfin_disable_dma(void);
static void bfin_enable_ppi(void);
static void bfin_disable_ppi(void);
static inline int adv7393_write(struct i2c_client *client, u8 reg, u8 value);
static inline int adv7393_read(struct i2c_client *client, u8 reg);
static int adv7393_write_block(struct i2c_client *client, const u8 *data,
unsigned int len);
int bfin_adv7393_fb_cursor(struct fb_info *info, struct fb_cursor *cursor);
static int bfin_adv7393_fb_setcolreg(u_int, u_int, u_int, u_int,
u_int, struct fb_info *info);
#endif

6
drivers/video/carminefb.c
View File

@ -654,7 +654,7 @@ static int __devinit carminefb_probe(struct pci_dev *dev,
printk(KERN_ERR "carminefb: Memory bar is only %d bytes, %d "
"are required.", carminefb_fix.smem_len,
CARMINE_TOTAL_DIPLAY_MEM);
goto err_free_reg_mmio;
goto err_unmap_vregs;
}
if (!request_mem_region(carminefb_fix.smem_start,
@ -667,8 +667,6 @@ static int __devinit carminefb_probe(struct pci_dev *dev,
carminefb_fix.smem_len);
if (!hw->screen_mem) {
printk(KERN_ERR "carmine: Can't ioremap smem area.\n");
release_mem_region(carminefb_fix.smem_start,
carminefb_fix.smem_len);
goto err_reg_smem;
}
@ -710,7 +708,7 @@ err_deinit_hw:
err_unmap_screen:
iounmap(hw->screen_mem);
err_reg_smem:
release_mem_region(carminefb_fix.mmio_start, carminefb_fix.mmio_len);
release_mem_region(carminefb_fix.smem_start, carminefb_fix.smem_len);
err_unmap_vregs:
iounmap(hw->v_regs);
err_free_reg_mmio:

88
drivers/video/fbmon.c
View File

@ -973,6 +973,90 @@ void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs)
DPRINTK("========================================\n");
}
/**
* fb_edid_add_monspecs() - add monitor video modes from E-EDID data
* @edid: 128 byte array with an E-EDID block
* @spacs: monitor specs to be extended
*/
void fb_edid_add_monspecs(unsigned char *edid, struct fb_monspecs *specs)
{
unsigned char *block;
struct fb_videomode *m;
int num = 0, i;
u8 svd[64], edt[(128 - 4) / DETAILED_TIMING_DESCRIPTION_SIZE];
u8 pos = 4, svd_n = 0;
if (!edid)
return;
if (!edid_checksum(edid))
return;
if (edid[0] != 0x2 ||
edid[2] < 4 || edid[2] > 128 - DETAILED_TIMING_DESCRIPTION_SIZE)
return;
DPRINTK(" Short Video Descriptors\n");
while (pos < edid[2]) {
u8 len = edid[pos] & 0x1f, type = (edid[pos] >> 5) & 7;
pr_debug("Data block %u of %u bytes\n", type, len);
if (type == 2)
for (i = pos; i < pos + len; i++) {
u8 idx = edid[pos + i] & 0x7f;
svd[svd_n++] = idx;
pr_debug("N%sative mode #%d\n",
edid[pos + i] & 0x80 ? "" : "on-n", idx);
}
pos += len + 1;
}
block = edid + edid[2];
DPRINTK(" Extended Detailed Timings\n");
for (i = 0; i < (128 - edid[2]) / DETAILED_TIMING_DESCRIPTION_SIZE;
i++, block += DETAILED_TIMING_DESCRIPTION_SIZE)
if (PIXEL_CLOCK)
edt[num++] = block - edid;
/* Yikes, EDID data is totally useless */
if (!(num + svd_n))
return;
m = kzalloc((specs->modedb_len + num + svd_n) *
sizeof(struct fb_videomode), GFP_KERNEL);
if (!m)
return;
memcpy(m, specs->modedb, specs->modedb_len * sizeof(struct fb_videomode));
for (i = specs->modedb_len; i < specs->modedb_len + num; i++) {
get_detailed_timing(edid + edt[i - specs->modedb_len], &m[i]);
if (i == specs->modedb_len)
m[i].flag |= FB_MODE_IS_FIRST;
pr_debug("Adding %ux%u@%u\n", m[i].xres, m[i].yres, m[i].refresh);
}
for (i = specs->modedb_len + num; i < specs->modedb_len + num + svd_n; i++) {
int idx = svd[i - specs->modedb_len - num];
if (!idx || idx > 63) {
pr_warning("Reserved SVD code %d\n", idx);
} else if (idx > ARRAY_SIZE(cea_modes) || !cea_modes[idx].xres) {
pr_warning("Unimplemented SVD code %d\n", idx);
} else {
memcpy(&m[i], cea_modes + idx, sizeof(m[i]));
pr_debug("Adding SVD #%d: %ux%u@%u\n", idx,
m[i].xres, m[i].yres, m[i].refresh);
}
}
kfree(specs->modedb);
specs->modedb = m;
specs->modedb_len = specs->modedb_len + num + svd_n;
}
/*
* VESA Generalized Timing Formula (GTF)
*/
@ -1289,6 +1373,9 @@ void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs)
{
specs = NULL;
}
void fb_edid_add_monspecs(unsigned char *edid, struct fb_monspecs *specs)
{
}
void fb_destroy_modedb(struct fb_videomode *modedb)
{
}
@ -1396,6 +1483,7 @@ EXPORT_SYMBOL(fb_firmware_edid);
EXPORT_SYMBOL(fb_parse_edid);
EXPORT_SYMBOL(fb_edid_to_monspecs);
EXPORT_SYMBOL(fb_edid_add_monspecs);
EXPORT_SYMBOL(fb_get_mode);
EXPORT_SYMBOL(fb_validate_mode);
EXPORT_SYMBOL(fb_destroy_modedb);

22
drivers/video/hgafb.c
View File

@ -454,7 +454,6 @@ static int hgafb_blank(int blank_mode, struct fb_info *info)
/*
* Accel functions
*/
#ifdef CONFIG_FB_HGA_ACCEL
static void hgafb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{
u_int rows, y;
@ -466,7 +465,7 @@ static void hgafb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
dest = rowaddr(info, y) + (rect->dx >> 3);
switch (rect->rop) {
case ROP_COPY:
//fb_memset(dest, rect->color, (rect->width >> 3));
memset_io(dest, rect->color, (rect->width >> 3));
break;
case ROP_XOR:
fb_writeb(~(fb_readb(dest)), dest);
@ -488,7 +487,7 @@ static void hgafb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
for (rows = area->height; rows--; ) {
src = rowaddr(info, y1) + (area->sx >> 3);
dest = rowaddr(info, y2) + (area->dx >> 3);
//fb_memmove(dest, src, (area->width >> 3));
memmove(dest, src, (area->width >> 3));
y1++;
y2++;
}
@ -499,7 +498,7 @@ static void hgafb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
for (rows = area->height; rows--;) {
src = rowaddr(info, y1) + (area->sx >> 3);
dest = rowaddr(info, y2) + (area->dx >> 3);
//fb_memmove(dest, src, (area->width >> 3));
memmove(dest, src, (area->width >> 3));
y1--;
y2--;
}
@ -511,20 +510,17 @@ static void hgafb_imageblit(struct fb_info *info, const struct fb_image *image)
u8 __iomem *dest;
u8 *cdat = (u8 *) image->data;
u_int rows, y = image->dy;
u_int x;
u8 d;
for (rows = image->height; rows--; y++) {
d = *cdat++;
dest = rowaddr(info, y) + (image->dx >> 3);
fb_writeb(d, dest);
for (x = 0; x < image->width; x+= 8) {
d = *cdat++;
dest = rowaddr(info, y) + ((image->dx + x)>> 3);
fb_writeb(d, dest);
}
}
}
#else /* !CONFIG_FB_HGA_ACCEL */
#define hgafb_fillrect cfb_fillrect
#define hgafb_copyarea cfb_copyarea
#define hgafb_imageblit cfb_imageblit
#endif /* CONFIG_FB_HGA_ACCEL */
static struct fb_ops hgafb_ops = {
.owner = THIS_MODULE,

12
drivers/video/i810/i810-i2c.c
View File

@ -45,8 +45,10 @@ static void i810i2c_setscl(void *data, int state)
struct i810fb_par *par = chan->par;
u8 __iomem *mmio = par->mmio_start_virtual;
i810_writel(mmio, chan->ddc_base, (state ? SCL_VAL_OUT : 0) | SCL_DIR |
SCL_DIR_MASK | SCL_VAL_MASK);
if (state)
i810_writel(mmio, chan->ddc_base, SCL_DIR_MASK | SCL_VAL_MASK);
else
i810_writel(mmio, chan->ddc_base, SCL_DIR | SCL_DIR_MASK | SCL_VAL_MASK);
i810_readl(mmio, chan->ddc_base); /* flush posted write */
}
@ -56,8 +58,10 @@ static void i810i2c_setsda(void *data, int state)
struct i810fb_par *par = chan->par;
u8 __iomem *mmio = par->mmio_start_virtual;
i810_writel(mmio, chan->ddc_base, (state ? SDA_VAL_OUT : 0) | SDA_DIR |
SDA_DIR_MASK | SDA_VAL_MASK);
if (state)
i810_writel(mmio, chan->ddc_base, SDA_DIR_MASK | SDA_VAL_MASK);
else
i810_writel(mmio, chan->ddc_base, SDA_DIR | SDA_DIR_MASK | SDA_VAL_MASK);
i810_readl(mmio, chan->ddc_base); /* flush posted write */
}

51
drivers/video/modedb.c
View File

@ -274,10 +274,61 @@ static const struct fb_videomode modedb[] = {
/* 800x520i @ 50 Hz, 15.625 kHz hsync (PAL RGB) */
NULL, 50, 800, 520, 58823, 144, 64, 72, 28, 80, 5,
0, FB_VMODE_INTERLACED
}, {
/* 864x480 @ 60 Hz, 35.15 kHz hsync */
NULL, 60, 864, 480, 27777, 1, 1, 1, 1, 0, 0,
0, FB_VMODE_NONINTERLACED
},
};
#ifdef CONFIG_FB_MODE_HELPERS
const struct fb_videomode cea_modes[64] = {
/* #1: 640x480p@59.94/60Hz */
[1] = {
NULL, 60, 640, 480, 39722, 48, 16, 33, 10, 96, 2, 0, FB_VMODE_NONINTERLACED, 0,
},
/* #3: 720x480p@59.94/60Hz */
[3] = {
NULL, 60, 720, 480, 37037, 60, 16, 30, 9, 62, 6, 0, FB_VMODE_NONINTERLACED, 0,
},
/* #5: 1920x1080i@59.94/60Hz */
[5] = {
NULL, 60, 1920, 1080, 13763, 148, 88, 15, 2, 44, 5,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_INTERLACED, 0,
},
/* #7: 720(1440)x480iH@59.94/60Hz */
[7] = {
NULL, 60, 1440, 480, 18554/*37108*/, 114, 38, 15, 4, 124, 3, 0, FB_VMODE_INTERLACED, 0,
},
/* #9: 720(1440)x240pH@59.94/60Hz */
[9] = {
NULL, 60, 1440, 240, 18554, 114, 38, 16, 4, 124, 3, 0, FB_VMODE_NONINTERLACED, 0,
},
/* #18: 720x576pH@50Hz */
[18] = {
NULL, 50, 720, 576, 37037, 68, 12, 39, 5, 64, 5, 0, FB_VMODE_NONINTERLACED, 0,
},
/* #19: 1280x720p@50Hz */
[19] = {
NULL, 50, 1280, 720, 13468, 220, 440, 20, 5, 40, 5,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, 0,
},
/* #20: 1920x1080i@50Hz */
[20] = {
NULL, 50, 1920, 1080, 13480, 148, 528, 15, 5, 528, 5,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_INTERLACED, 0,
},
/* #32: 1920x1080p@23.98/24Hz */
[32] = {
NULL, 24, 1920, 1080, 13468, 148, 638, 36, 4, 44, 5,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, 0,
},
/* #35: (2880)x480p4x@59.94/60Hz */
[35] = {
NULL, 60, 2880, 480, 9250, 240, 64, 30, 9, 248, 6, 0, FB_VMODE_NONINTERLACED, 0,
},
};
const struct fb_videomode vesa_modes[] = {
/* 0 640x350-85 VESA */
{ NULL, 85, 640, 350, 31746, 96, 32, 60, 32, 64, 3,

3
drivers/video/mx3fb.c
View File

@ -1474,8 +1474,7 @@ static int mx3fb_probe(struct platform_device *pdev)
goto eremap;
}
pr_debug("Remapped %x to %x at %p\n", sdc_reg->start, sdc_reg->end,
mx3fb->reg_base);
pr_debug("Remapped %pR at %p\n", sdc_reg, mx3fb->reg_base);
/* IDMAC interface */
dmaengine_get();

50
drivers/video/s1d13xxxfb.c
View File

@ -409,28 +409,6 @@ s1d13xxxfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
functions to handle bitblt acceleration
************************************************************/
/**
* bltbit_wait_bitset - waits for change in register value
* @info : framebuffer structure
* @bit : value expected in register
* @timeout : ...
*
* waits until value changes INTO bit
*/
static u8
bltbit_wait_bitset(struct fb_info *info, u8 bit, int timeout)
{
while (!(s1d13xxxfb_readreg(info->par, S1DREG_BBLT_CTL0) & bit)) {
udelay(10);
if (!--timeout) {
dbg_blit("wait_bitset timeout\n");
break;
}
}
return timeout;
}
/**
* bltbit_wait_bitclear - waits for change in register value
* @info : frambuffer structure
@ -454,34 +432,6 @@ bltbit_wait_bitclear(struct fb_info *info, u8 bit, int timeout)
return timeout;
}
/**
* bltbit_fifo_status - checks the current status of the fifo
* @info : framebuffer structure
*
* returns number of free words in buffer
*/
static u8
bltbit_fifo_status(struct fb_info *info)
{
u8 status;
status = s1d13xxxfb_readreg(info->par, S1DREG_BBLT_CTL0);
/* its empty so room for 16 words */
if (status & BBLT_FIFO_EMPTY)
return 16;
/* its full so we dont want to add */
if (status & BBLT_FIFO_FULL)
return 0;
/* its atleast half full but we can add one atleast */
if (status & BBLT_FIFO_NOT_FULL)
return 1;
return 0;
}
/*
* s1d13xxxfb_bitblt_copyarea - accelerated copyarea function
* @info : framebuffer structure

111
drivers/video/s3c-fb.c
View File

@ -23,6 +23,7 @@
#include <linux/io.h>
#include <linux/uaccess.h>
#include <linux/interrupt.h>
#include <linux/pm_runtime.h>
#include <mach/map.h>
#include <plat/regs-fb-v4.h>
@ -1013,8 +1014,30 @@ static int s3c_fb_ioctl(struct fb_info *info, unsigned int cmd,
return ret;
}
static int s3c_fb_open(struct fb_info *info, int user)
{
struct s3c_fb_win *win = info->par;
struct s3c_fb *sfb = win->parent;
pm_runtime_get_sync(sfb->dev);
return 0;
}
static int s3c_fb_release(struct fb_info *info, int user)
{
struct s3c_fb_win *win = info->par;
struct s3c_fb *sfb = win->parent;
pm_runtime_put_sync(sfb->dev);
return 0;
}
static struct fb_ops s3c_fb_ops = {
.owner = THIS_MODULE,
.fb_open = s3c_fb_open,
.fb_release = s3c_fb_release,
.fb_check_var = s3c_fb_check_var,
.fb_set_par = s3c_fb_set_par,
.fb_blank = s3c_fb_blank,
@ -1322,6 +1345,8 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
clk_enable(sfb->bus_clk);
pm_runtime_enable(sfb->dev);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(dev, "failed to find registers\n");
@ -1360,6 +1385,9 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
dev_dbg(dev, "got resources (regs %p), probing windows\n", sfb->regs);
platform_set_drvdata(pdev, sfb);
pm_runtime_get_sync(sfb->dev);
/* setup gpio and output polarity controls */
pd->setup_gpio();
@ -1400,6 +1428,7 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
}
platform_set_drvdata(pdev, sfb);
pm_runtime_put_sync(sfb->dev);
return 0;
@ -1434,6 +1463,8 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev)
struct s3c_fb *sfb = platform_get_drvdata(pdev);
int win;
pm_runtime_get_sync(sfb->dev);
for (win = 0; win < S3C_FB_MAX_WIN; win++)
if (sfb->windows[win])
s3c_fb_release_win(sfb, sfb->windows[win]);
@ -1450,12 +1481,16 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev)
kfree(sfb);
pm_runtime_put_sync(sfb->dev);
pm_runtime_disable(sfb->dev);
return 0;
}
#ifdef CONFIG_PM
static int s3c_fb_suspend(struct platform_device *pdev, pm_message_t state)
static int s3c_fb_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct s3c_fb *sfb = platform_get_drvdata(pdev);
struct s3c_fb_win *win;
int win_no;
@ -1473,8 +1508,9 @@ static int s3c_fb_suspend(struct platform_device *pdev, pm_message_t state)
return 0;
}
static int s3c_fb_resume(struct platform_device *pdev)
static int s3c_fb_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct s3c_fb *sfb = platform_get_drvdata(pdev);
struct s3c_fb_platdata *pd = sfb->pdata;
struct s3c_fb_win *win;
@ -1509,9 +1545,70 @@ static int s3c_fb_resume(struct platform_device *pdev)
return 0;
}
int s3c_fb_runtime_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct s3c_fb *sfb = platform_get_drvdata(pdev);
struct s3c_fb_win *win;
int win_no;
for (win_no = S3C_FB_MAX_WIN - 1; win_no >= 0; win_no--) {
win = sfb->windows[win_no];
if (!win)
continue;
/* use the blank function to push into power-down */
s3c_fb_blank(FB_BLANK_POWERDOWN, win->fbinfo);
}
clk_disable(sfb->bus_clk);
return 0;
}
int s3c_fb_runtime_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct s3c_fb *sfb = platform_get_drvdata(pdev);
struct s3c_fb_platdata *pd = sfb->pdata;
struct s3c_fb_win *win;
int win_no;
clk_enable(sfb->bus_clk);
/* setup registers */
writel(pd->vidcon1, sfb->regs + VIDCON1);
/* zero all windows before we do anything */
for (win_no = 0; win_no < sfb->variant.nr_windows; win_no++)
s3c_fb_clear_win(sfb, win_no);
for (win_no = 0; win_no < sfb->variant.nr_windows - 1; win_no++) {
void __iomem *regs = sfb->regs + sfb->variant.keycon;
regs += (win_no * 8);
writel(0xffffff, regs + WKEYCON0);
writel(0xffffff, regs + WKEYCON1);
}
/* restore framebuffers */
for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++) {
win = sfb->windows[win_no];
if (!win)
continue;
dev_dbg(&pdev->dev, "resuming window %d\n", win_no);
s3c_fb_set_par(win->fbinfo);
}
return 0;
}
#else
#define s3c_fb_suspend NULL
#define s3c_fb_resume NULL
#define s3c_fb_runtime_suspend NULL
#define s3c_fb_runtime_resume NULL
#endif
@ -1710,15 +1807,21 @@ static struct platform_device_id s3c_fb_driver_ids[] = {
};
MODULE_DEVICE_TABLE(platform, s3c_fb_driver_ids);
static const struct dev_pm_ops s3cfb_pm_ops = {
.suspend = s3c_fb_suspend,
.resume = s3c_fb_resume,
.runtime_suspend = s3c_fb_runtime_suspend,
.runtime_resume = s3c_fb_runtime_resume,
};
static struct platform_driver s3c_fb_driver = {
.probe = s3c_fb_probe,
.remove = __devexit_p(s3c_fb_remove),
.suspend = s3c_fb_suspend,
.resume = s3c_fb_resume,
.id_table = s3c_fb_driver_ids,
.driver = {
.name = "s3c-fb",
.owner = THIS_MODULE,
.pm = &s3cfb_pm_ops,
},
};

129
drivers/video/sh_mipi_dsi.c
View File

@ -13,6 +13,7 @@
#include <linux/init.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/types.h>
@ -21,18 +22,40 @@
#include <video/sh_mipi_dsi.h>
#include <video/sh_mobile_lcdc.h>
#define CMTSRTCTR 0x80d0
#define CMTSRTREQ 0x8070
#define SYSCTRL 0x0000
#define SYSCONF 0x0004
#define TIMSET 0x0008
#define RESREQSET0 0x0018
#define RESREQSET1 0x001c
#define HSTTOVSET 0x0020
#define LPRTOVSET 0x0024
#define TATOVSET 0x0028
#define PRTOVSET 0x002c
#define DSICTRL 0x0030
#define DSIINTE 0x0060
#define PHYCTRL 0x0070
/* relative to linkbase */
#define DTCTR 0x0000
#define VMCTR1 0x0020
#define VMCTR2 0x0024
#define VMLEN1 0x0028
#define CMTSRTREQ 0x0070
#define CMTSRTCTR 0x00d0
/* E.g., sh7372 has 2 MIPI-DSIs - one for each LCDC */
#define MAX_SH_MIPI_DSI 2
struct sh_mipi {
void __iomem *base;
void __iomem *linkbase;
struct clk *dsit_clk;
struct clk *dsip_clk;
struct device *dev;
void *next_board_data;
void (*next_display_on)(void *board_data, struct fb_info *info);
void (*next_display_off)(void *board_data);
};
static struct sh_mipi *mipi_dsi[MAX_SH_MIPI_DSI];
@ -55,10 +78,10 @@ static int sh_mipi_send_short(struct sh_mipi *mipi, u8 dsi_cmd,
int cnt = 100;
/* transmit a short packet to LCD panel */
iowrite32(1 | data, mipi->base + 0x80d0); /* CMTSRTCTR */
iowrite32(1, mipi->base + 0x8070); /* CMTSRTREQ */
iowrite32(1 | data, mipi->linkbase + CMTSRTCTR);
iowrite32(1, mipi->linkbase + CMTSRTREQ);
while ((ioread32(mipi->base + 0x8070) & 1) && --cnt)
while ((ioread32(mipi->linkbase + CMTSRTREQ) & 1) && --cnt)
udelay(1);
return cnt ? 0 : -ETIMEDOUT;
@ -90,7 +113,7 @@ static void sh_mipi_dsi_enable(struct sh_mipi *mipi, bool enable)
* enable LCDC data tx, transition to LPS after completion of each HS
* packet
*/
iowrite32(0x00000002 | enable, mipi->base + 0x8000); /* DTCTR */
iowrite32(0x00000002 | enable, mipi->linkbase + DTCTR);
}
static void sh_mipi_shutdown(struct platform_device *pdev)
@ -104,14 +127,22 @@ static void mipi_display_on(void *arg, struct fb_info *info)
{
struct sh_mipi *mipi = arg;
pm_runtime_get_sync(mipi->dev);
sh_mipi_dsi_enable(mipi, true);
if (mipi->next_display_on)
mipi->next_display_on(mipi->next_board_data, info);
}
static void mipi_display_off(void *arg)
{
struct sh_mipi *mipi = arg;
if (mipi->next_display_off)
mipi->next_display_off(mipi->next_board_data);
sh_mipi_dsi_enable(mipi, false);
pm_runtime_put(mipi->dev);
}
static int __init sh_mipi_setup(struct sh_mipi *mipi,
@ -119,8 +150,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
{
void __iomem *base = mipi->base;
struct sh_mobile_lcdc_chan_cfg *ch = pdata->lcd_chan;
u32 pctype, datatype, pixfmt;
u32 linelength;
u32 pctype, datatype, pixfmt, linelength, vmctr2 = 0x00e00000;
bool yuv;
/*
@ -223,10 +253,10 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
return -EINVAL;
/* reset DSI link */
iowrite32(0x00000001, base); /* SYSCTRL */
iowrite32(0x00000001, base + SYSCTRL);
/* Hold reset for 100 cycles of the slowest of bus, HS byte and LP clock */
udelay(50);
iowrite32(0x00000000, base); /* SYSCTRL */
iowrite32(0x00000000, base + SYSCTRL);
/* setup DSI link */
@ -238,7 +268,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
* ECC check enable
* additionally enable first two lanes
*/
iowrite32(0x00003703, base + 0x04); /* SYSCONF */
iowrite32(0x00003703, base + SYSCONF);
/*
* T_wakeup = 0x7000
* T_hs-trail = 3
@ -246,28 +276,28 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
* T_clk-trail = 3
* T_clk-prepare = 2
*/
iowrite32(0x70003332, base + 0x08); /* TIMSET */
iowrite32(0x70003332, base + TIMSET);
/* no responses requested */
iowrite32(0x00000000, base + 0x18); /* RESREQSET0 */
iowrite32(0x00000000, base + RESREQSET0);
/* request response to packets of type 0x28 */
iowrite32(0x00000100, base + 0x1c); /* RESREQSET1 */
iowrite32(0x00000100, base + RESREQSET1);
/* High-speed transmission timeout, default 0xffffffff */
iowrite32(0x0fffffff, base + 0x20); /* HSTTOVSET */
iowrite32(0x0fffffff, base + HSTTOVSET);
/* LP reception timeout, default 0xffffffff */
iowrite32(0x0fffffff, base + 0x24); /* LPRTOVSET */
iowrite32(0x0fffffff, base + LPRTOVSET);
/* Turn-around timeout, default 0xffffffff */
iowrite32(0x0fffffff, base + 0x28); /* TATOVSET */
iowrite32(0x0fffffff, base + TATOVSET);
/* Peripheral reset timeout, default 0xffffffff */
iowrite32(0x0fffffff, base + 0x2c); /* PRTOVSET */
iowrite32(0x0fffffff, base + PRTOVSET);
/* Enable timeout counters */
iowrite32(0x00000f00, base + 0x30); /* DSICTRL */
iowrite32(0x00000f00, base + DSICTRL);
/* Interrupts not used, disable all */
iowrite32(0, base + DSIINTE);
/* DSI-Tx bias on */
iowrite32(0x00000001, base + 0x70); /* PHYCTRL */
iowrite32(0x00000001, base + PHYCTRL);
udelay(200);
/* Deassert resets, power on, set multiplier */
iowrite32(0x03070b01, base + 0x70); /* PHYCTRL */
iowrite32(0x03070b01, base + PHYCTRL);
/* setup l-bridge */
@ -275,20 +305,28 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
* Enable transmission of all packets,
* transmit LPS after each HS packet completion
*/
iowrite32(0x00000006, base + 0x8000); /* DTCTR */
iowrite32(0x00000006, mipi->linkbase + DTCTR);
/* VSYNC width = 2 (<< 17) */
iowrite32(0x00040000 | (pctype << 12) | datatype, base + 0x8020); /* VMCTR1 */
iowrite32((ch->lcd_cfg[0].vsync_len << pdata->vsynw_offset) |
(pdata->clksrc << 16) | (pctype << 12) | datatype,
mipi->linkbase + VMCTR1);
/*
* Non-burst mode with sync pulses: VSE and HSE are output,
* HSA period allowed, no commands in LP
*/
iowrite32(0x00e00000, base + 0x8024); /* VMCTR2 */
if (pdata->flags & SH_MIPI_DSI_HSABM)
vmctr2 |= 0x20;
if (pdata->flags & SH_MIPI_DSI_HSPBM)
vmctr2 |= 0x10;
iowrite32(vmctr2, mipi->linkbase + VMCTR2);
/*
* 0x660 = 1632 bytes per line (RGB24, 544 pixels: see
* sh_mobile_lcdc_info.ch[0].lcd_cfg[0].xres), HSALEN = 1 - default
* (unused, since VMCTR2[HSABM] = 0)
* (unused if VMCTR2[HSABM] = 0)
*/
iowrite32(1 | (linelength << 16), base + 0x8028); /* VMLEN1 */
iowrite32(1 | (linelength << 16), mipi->linkbase + VMLEN1);
msleep(5);
@ -321,11 +359,12 @@ static int __init sh_mipi_probe(struct platform_device *pdev)
struct sh_mipi *mipi;
struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data;
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
struct resource *res2 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
unsigned long rate, f_current;
int idx = pdev->id, ret;
char dsip_clk[] = "dsi.p_clk";
if (!res || idx >= ARRAY_SIZE(mipi_dsi) || !pdata)
if (!res || !res2 || idx >= ARRAY_SIZE(mipi_dsi) || !pdata)
return -ENODEV;
mutex_lock(&array_lock);
@ -356,6 +395,20 @@ static int __init sh_mipi_probe(struct platform_device *pdev)
goto emap;
}
if (!request_mem_region(res2->start, resource_size(res2), pdev->name)) {
dev_err(&pdev->dev, "MIPI register region 2 already claimed\n");
ret = -EBUSY;
goto ereqreg2;
}
mipi->linkbase = ioremap(res2->start, resource_size(res2));
if (!mipi->linkbase) {
ret = -ENOMEM;
goto emap2;
}
mipi->dev = &pdev->dev;
mipi->dsit_clk = clk_get(&pdev->dev, "dsit_clk");
if (IS_ERR(mipi->dsit_clk)) {
ret = PTR_ERR(mipi->dsit_clk);
@ -405,6 +458,9 @@ static int __init sh_mipi_probe(struct platform_device *pdev)
mipi_dsi[idx] = mipi;
pm_runtime_enable(&pdev->dev);
pm_runtime_resume(&pdev->dev);
ret = sh_mipi_setup(mipi, pdata);
if (ret < 0)
goto emipisetup;
@ -412,15 +468,22 @@ static int __init sh_mipi_probe(struct platform_device *pdev)
mutex_unlock(&array_lock);
platform_set_drvdata(pdev, mipi);
/* Save original LCDC callbacks */
mipi->next_board_data = pdata->lcd_chan->board_cfg.board_data;
mipi->next_display_on = pdata->lcd_chan->board_cfg.display_on;
mipi->next_display_off = pdata->lcd_chan->board_cfg.display_off;
/* Set up LCDC callbacks */
pdata->lcd_chan->board_cfg.board_data = mipi;
pdata->lcd_chan->board_cfg.display_on = mipi_display_on;
pdata->lcd_chan->board_cfg.display_off = mipi_display_off;
pdata->lcd_chan->board_cfg.owner = THIS_MODULE;
return 0;
emipisetup:
mipi_dsi[idx] = NULL;
pm_runtime_disable(&pdev->dev);
clk_disable(mipi->dsip_clk);
eclkpon:
clk_disable(mipi->dsit_clk);
@ -431,6 +494,10 @@ eclkpget:
esettrate:
clk_put(mipi->dsit_clk);
eclktget:
iounmap(mipi->linkbase);
emap2:
release_mem_region(res2->start, resource_size(res2));
ereqreg2:
iounmap(mipi->base);
emap:
release_mem_region(res->start, resource_size(res));
@ -447,6 +514,7 @@ static int __exit sh_mipi_remove(struct platform_device *pdev)
{
struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data;
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
struct resource *res2 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
struct sh_mipi *mipi = platform_get_drvdata(pdev);
int i, ret;
@ -467,14 +535,19 @@ static int __exit sh_mipi_remove(struct platform_device *pdev)
if (ret < 0)
return ret;
pdata->lcd_chan->board_cfg.owner = NULL;
pdata->lcd_chan->board_cfg.display_on = NULL;
pdata->lcd_chan->board_cfg.display_off = NULL;
pdata->lcd_chan->board_cfg.board_data = NULL;
pm_runtime_disable(&pdev->dev);
clk_disable(mipi->dsip_clk);
clk_disable(mipi->dsit_clk);
clk_put(mipi->dsit_clk);
clk_put(mipi->dsip_clk);
iounmap(mipi->linkbase);
if (res2)
release_mem_region(res2->start, resource_size(res2));
iounmap(mipi->base);
if (res)
release_mem_region(res->start, resource_size(res));

219
drivers/video/sh_mobile_hdmi.c
View File

@ -209,7 +209,11 @@ enum hotplug_state {
struct sh_hdmi {
void __iomem *base;
enum hotplug_state hp_state; /* hot-plug status */
bool preprogrammed_mode; /* use a pre-programmed VIC or the external mode */
u8 preprogrammed_vic; /* use a pre-programmed VIC or
the external mode */
u8 edid_block_addr;
u8 edid_segment_nr;
u8 edid_blocks;
struct clk *hdmi_clk;
struct device *dev;
struct fb_info *info;
@ -342,7 +346,7 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION);
/* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for external mode */
if (!hdmi->preprogrammed_mode)
if (!hdmi->preprogrammed_vic)
hdmi_write(hdmi, sync | 1 | (voffset << 4),
HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
}
@ -466,7 +470,18 @@ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
*/
static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
{
if (hdmi->var.yres > 480) {
if (hdmi->var.pixclock < 10000) {
/* for 1080p8bit 148MHz */
hdmi_write(hdmi, 0x1d, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
hdmi_write(hdmi, 0x4c, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
hdmi_write(hdmi, 0x1e, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
hdmi_write(hdmi, 0x48, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
hdmi_write(hdmi, 0x0e, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
} else if (hdmi->var.pixclock < 30000) {
/* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
/*
* [1:0] Speed_A
@ -565,13 +580,11 @@ static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3);
/*
* VIC = 1280 x 720p: ignored if external config is used
* Send 2 for 720 x 480p, 16 for 1080p, ignored in external mode
* VIC should be ignored if external config is used, so, we could just use 0,
* but play safe and use a valid value in any case just in case
*/
if (hdmi->var.yres == 1080 && hdmi->var.xres == 1920)
vic = 16;
else if (hdmi->var.yres == 480 && hdmi->var.xres == 720)
vic = 2;
if (hdmi->preprogrammed_vic)
vic = hdmi->preprogrammed_vic;
else
vic = 4;
hdmi_write(hdmi, vic, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
@ -685,11 +698,21 @@ static void sh_hdmi_configure(struct sh_hdmi *hdmi)
}
static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi,
const struct fb_videomode *mode)
const struct fb_videomode *mode,
unsigned long *hdmi_rate, unsigned long *parent_rate)
{
long target = PICOS2KHZ(mode->pixclock) * 1000,
rate = clk_round_rate(hdmi->hdmi_clk, target);
unsigned long rate_error = rate > 0 ? abs(rate - target) : ULONG_MAX;
unsigned long target = PICOS2KHZ(mode->pixclock) * 1000, rate_error;
struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
*hdmi_rate = clk_round_rate(hdmi->hdmi_clk, target);
if ((long)*hdmi_rate < 0)
*hdmi_rate = clk_get_rate(hdmi->hdmi_clk);
rate_error = (long)*hdmi_rate > 0 ? abs(*hdmi_rate - target) : ULONG_MAX;
if (rate_error && pdata->clk_optimize_parent)
rate_error = pdata->clk_optimize_parent(target, hdmi_rate, parent_rate);
else if (clk_get_parent(hdmi->hdmi_clk))
*parent_rate = clk_get_rate(clk_get_parent(hdmi->hdmi_clk));
dev_dbg(hdmi->dev, "%u-%u-%u-%u x %u-%u-%u-%u\n",
mode->left_margin, mode->xres,
@ -697,14 +720,15 @@ static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi,
mode->upper_margin, mode->yres,
mode->lower_margin, mode->vsync_len);
dev_dbg(hdmi->dev, "\t@%lu(+/-%lu)Hz, e=%lu / 1000, r=%uHz\n", target,
rate_error, rate_error ? 10000 / (10 * target / rate_error) : 0,
mode->refresh);
dev_dbg(hdmi->dev, "\t@%lu(+/-%lu)Hz, e=%lu / 1000, r=%uHz, p=%luHz\n", target,
rate_error, rate_error ? 10000 / (10 * target / rate_error) : 0,
mode->refresh, *parent_rate);
return rate_error;
}
static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
unsigned long *parent_rate)
{
struct fb_var_screeninfo tmpvar;
struct fb_var_screeninfo *var = &tmpvar;
@ -735,7 +759,38 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
printk(KERN_CONT "\n");
#endif
fb_edid_to_monspecs(edid, &hdmi->monspec);
if (!hdmi->edid_blocks) {
fb_edid_to_monspecs(edid, &hdmi->monspec);
hdmi->edid_blocks = edid[126] + 1;
dev_dbg(hdmi->dev, "%d main modes, %d extension blocks\n",
hdmi->monspec.modedb_len, hdmi->edid_blocks - 1);
} else {
dev_dbg(hdmi->dev, "Extension %u detected, DTD start %u\n",
edid[0], edid[2]);
fb_edid_add_monspecs(edid, &hdmi->monspec);
}
if (hdmi->edid_blocks > hdmi->edid_segment_nr * 2 +
(hdmi->edid_block_addr >> 7) + 1) {
/* More blocks to read */
if (hdmi->edid_block_addr) {
hdmi->edid_block_addr = 0;
hdmi->edid_segment_nr++;
} else {
hdmi->edid_block_addr = 0x80;
}
/* Set EDID word address */
hdmi_write(hdmi, hdmi->edid_block_addr, HDMI_EDID_WORD_ADDRESS);
/* Enable EDID interrupt */
hdmi_write(hdmi, 0xC6, HDMI_INTERRUPT_MASK_1);
/* Set EDID segment pointer - starts reading EDID */
hdmi_write(hdmi, hdmi->edid_segment_nr, HDMI_EDID_SEGMENT_POINTER);
return -EAGAIN;
}
/* All E-EDID blocks ready */
dev_dbg(hdmi->dev, "%d main and extended modes\n", hdmi->monspec.modedb_len);
fb_get_options("sh_mobile_lcdc", &forced);
if (forced && *forced) {
@ -754,11 +809,14 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
for (i = 0, mode = hdmi->monspec.modedb;
f_width && f_height && i < hdmi->monspec.modedb_len && !exact_match;
i++, mode++) {
unsigned long rate_error = sh_hdmi_rate_error(hdmi, mode);
unsigned long rate_error;
/* No interest in unmatching modes */
if (f_width != mode->xres || f_height != mode->yres)
continue;
rate_error = sh_hdmi_rate_error(hdmi, mode, hdmi_rate, parent_rate);
if (f_refresh == mode->refresh || (!f_refresh && !rate_error))
/*
* Exact match if either the refresh rate matches or it
@ -805,7 +863,7 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
if (modelist) {
found = &modelist->mode;
found_rate_error = sh_hdmi_rate_error(hdmi, found);
found_rate_error = sh_hdmi_rate_error(hdmi, found, hdmi_rate, parent_rate);
}
}
@ -813,16 +871,27 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
if (!found)
return -ENXIO;
dev_info(hdmi->dev, "Using %s mode %ux%u@%uHz (%luHz), clock error %luHz\n",
modelist ? "default" : "EDID", found->xres, found->yres,
found->refresh, PICOS2KHZ(found->pixclock) * 1000, found_rate_error);
if ((found->xres == 720 && found->yres == 480) ||
(found->xres == 1280 && found->yres == 720) ||
(found->xres == 1920 && found->yres == 1080))
hdmi->preprogrammed_mode = true;
if (found->xres == 640 && found->yres == 480 && found->refresh == 60)
hdmi->preprogrammed_vic = 1;
else if (found->xres == 720 && found->yres == 480 && found->refresh == 60)
hdmi->preprogrammed_vic = 2;
else if (found->xres == 720 && found->yres == 576 && found->refresh == 50)
hdmi->preprogrammed_vic = 17;
else if (found->xres == 1280 && found->yres == 720 && found->refresh == 60)
hdmi->preprogrammed_vic = 4;
else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 24)
hdmi->preprogrammed_vic = 32;
else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 50)
hdmi->preprogrammed_vic = 31;
else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 60)
hdmi->preprogrammed_vic = 16;
else
hdmi->preprogrammed_mode = false;
hdmi->preprogrammed_vic = 0;
dev_dbg(hdmi->dev, "Using %s %s mode %ux%u@%uHz (%luHz), clock error %luHz\n",
modelist ? "default" : "EDID", hdmi->preprogrammed_vic ? "VIC" : "external",
found->xres, found->yres, found->refresh,
PICOS2KHZ(found->pixclock) * 1000, found_rate_error);
fb_videomode_to_var(&hdmi->var, found);
sh_hdmi_external_video_param(hdmi);
@ -871,32 +940,34 @@ static irqreturn_t sh_hdmi_hotplug(int irq, void *dev_id)
/* Check, if hot plug & MSENS pin status are both high */
if ((msens & 0xC0) == 0xC0) {
/* Display plug in */
hdmi->edid_segment_nr = 0;
hdmi->edid_block_addr = 0;
hdmi->edid_blocks = 0;
hdmi->hp_state = HDMI_HOTPLUG_CONNECTED;
/* Set EDID word address */
hdmi_write(hdmi, 0x00, HDMI_EDID_WORD_ADDRESS);
/* Set EDID segment pointer */
hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER);
/* Enable EDID interrupt */
hdmi_write(hdmi, 0xC6, HDMI_INTERRUPT_MASK_1);
/* Set EDID segment pointer - starts reading EDID */
hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER);
} else if (!(status1 & 0x80)) {
/* Display unplug, beware multiple interrupts */
if (hdmi->hp_state != HDMI_HOTPLUG_DISCONNECTED)
if (hdmi->hp_state != HDMI_HOTPLUG_DISCONNECTED) {
hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED;
schedule_delayed_work(&hdmi->edid_work, 0);
hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED;
}
/* display_off will switch back to mode_a */
}
} else if (status1 & 2) {
/* EDID error interrupt: retry */
/* Set EDID word address */
hdmi_write(hdmi, 0x00, HDMI_EDID_WORD_ADDRESS);
hdmi_write(hdmi, hdmi->edid_block_addr, HDMI_EDID_WORD_ADDRESS);
/* Set EDID segment pointer */
hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER);
hdmi_write(hdmi, hdmi->edid_segment_nr, HDMI_EDID_SEGMENT_POINTER);
} else if (status1 & 4) {
/* Disable EDID interrupt */
hdmi_write(hdmi, 0xC0, HDMI_INTERRUPT_MASK_1);
hdmi->hp_state = HDMI_HOTPLUG_EDID_DONE;
schedule_delayed_work(&hdmi->edid_work, msecs_to_jiffies(10));
}
@ -979,39 +1050,37 @@ static bool sh_hdmi_must_reconfigure(struct sh_hdmi *hdmi)
/**
* sh_hdmi_clk_configure() - set HDMI clock frequency and enable the clock
* @hdmi: driver context
* @pixclock: pixel clock period in picoseconds
* return: configured positive rate if successful
* 0 if couldn't set the rate, but managed to enable the clock
* negative error, if couldn't enable the clock
* @hdmi: driver context
* @hdmi_rate: HDMI clock frequency in Hz
* @parent_rate: if != 0 - set parent clock rate for optimal precision
* return: configured positive rate if successful
* 0 if couldn't set the rate, but managed to enable the
* clock, negative error, if couldn't enable the clock
*/
static long sh_hdmi_clk_configure(struct sh_hdmi *hdmi, unsigned long pixclock)
static long sh_hdmi_clk_configure(struct sh_hdmi *hdmi, unsigned long hdmi_rate,
unsigned long parent_rate)
{
long rate;
int ret;
rate = PICOS2KHZ(pixclock) * 1000;
rate = clk_round_rate(hdmi->hdmi_clk, rate);
if (rate > 0) {
ret = clk_set_rate(hdmi->hdmi_clk, rate);
if (parent_rate && clk_get_parent(hdmi->hdmi_clk)) {
ret = clk_set_rate(clk_get_parent(hdmi->hdmi_clk), parent_rate);
if (ret < 0) {
dev_warn(hdmi->dev, "Cannot set rate %ld: %d\n", rate, ret);
rate = 0;
dev_warn(hdmi->dev, "Cannot set parent rate %ld: %d\n", parent_rate, ret);
hdmi_rate = clk_round_rate(hdmi->hdmi_clk, hdmi_rate);
} else {
dev_dbg(hdmi->dev, "HDMI set frequency %lu\n", rate);
dev_dbg(hdmi->dev, "HDMI set parent frequency %lu\n", parent_rate);
}
} else {
rate = 0;
dev_warn(hdmi->dev, "Cannot get suitable rate: %ld\n", rate);
}
ret = clk_enable(hdmi->hdmi_clk);
ret = clk_set_rate(hdmi->hdmi_clk, hdmi_rate);
if (ret < 0) {
dev_err(hdmi->dev, "Cannot enable clock: %d\n", ret);
return ret;
dev_warn(hdmi->dev, "Cannot set rate %ld: %d\n", hdmi_rate, ret);
hdmi_rate = 0;
} else {
dev_dbg(hdmi->dev, "HDMI set frequency %lu\n", hdmi_rate);
}
return rate;
return hdmi_rate;
}
/* Hotplug interrupt occurred, read EDID */
@ -1030,17 +1099,20 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
mutex_lock(&hdmi->mutex);
if (hdmi->hp_state == HDMI_HOTPLUG_EDID_DONE) {
if (hdmi->hp_state == HDMI_HOTPLUG_CONNECTED) {
unsigned long parent_rate = 0, hdmi_rate;
/* A device has been plugged in */
pm_runtime_get_sync(hdmi->dev);
ret = sh_hdmi_read_edid(hdmi);
ret = sh_hdmi_read_edid(hdmi, &hdmi_rate, &parent_rate);
if (ret < 0)
goto out;
hdmi->hp_state = HDMI_HOTPLUG_EDID_DONE;
/* Reconfigure the clock */
clk_disable(hdmi->hdmi_clk);
ret = sh_hdmi_clk_configure(hdmi, hdmi->var.pixclock);
ret = sh_hdmi_clk_configure(hdmi, hdmi_rate, parent_rate);
if (ret < 0)
goto out;
@ -1095,7 +1167,7 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
}
out:
if (ret < 0)
if (ret < 0 && ret != -EAGAIN)
hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED;
mutex_unlock(&hdmi->mutex);
@ -1176,13 +1248,22 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
goto egetclk;
}
/* Some arbitrary relaxed pixclock just to get things started */
rate = sh_hdmi_clk_configure(hdmi, 37037);
/* An arbitrary relaxed pixclock just to get things started: from standard 480p */
rate = clk_round_rate(hdmi->hdmi_clk, PICOS2KHZ(37037));
if (rate > 0)
rate = sh_hdmi_clk_configure(hdmi, rate, 0);
if (rate < 0) {
ret = rate;
goto erate;
}
ret = clk_enable(hdmi->hdmi_clk);
if (ret < 0) {
dev_err(hdmi->dev, "Cannot enable clock: %d\n", ret);
goto erate;
}
dev_dbg(&pdev->dev, "Enabled HDMI clock at %luHz\n", rate);
if (!request_mem_region(res->start, resource_size(res), dev_name(&pdev->dev))) {
@ -1200,10 +1281,6 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, hdmi);
/* Product and revision IDs are 0 in sh-mobile version */
dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n",
hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID));
/* Set up LCDC callbacks */
board_cfg = &pdata->lcd_chan->board_cfg;
board_cfg->owner = THIS_MODULE;
@ -1216,6 +1293,10 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
pm_runtime_resume(&pdev->dev);
/* Product and revision IDs are 0 in sh-mobile version */
dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n",
hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID));
ret = request_irq(irq, sh_hdmi_hotplug, 0,
dev_name(&pdev->dev), hdmi);
if (ret < 0) {

76
drivers/video/sh_mobile_lcdcfb.c
View File

@ -139,6 +139,7 @@ struct sh_mobile_lcdc_priv {
struct notifier_block notifier;
unsigned long saved_shared_regs[NR_SHARED_REGS];
int started;
int forced_bpp; /* 2 channel LCDC must share bpp setting */
};
static bool banked(int reg_nr)
@ -461,13 +462,18 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
struct sh_mobile_lcdc_chan *ch;
struct sh_mobile_lcdc_board_cfg *board_cfg;
unsigned long tmp;
int bpp = 0;
int k, m;
int ret = 0;
/* enable clocks before accessing the hardware */
for (k = 0; k < ARRAY_SIZE(priv->ch); k++)
if (priv->ch[k].enabled)
for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
if (priv->ch[k].enabled) {
sh_mobile_lcdc_clk_on(priv);
if (!bpp)
bpp = priv->ch[k].info->var.bits_per_pixel;
}
}
/* reset */
lcdc_write(priv, _LDCNT2R, lcdc_read(priv, _LDCNT2R) | LCDC_RESET);
@ -535,7 +541,17 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
}
/* word and long word swap */
lcdc_write(priv, _LDDDSR, lcdc_read(priv, _LDDDSR) | 6);
switch (bpp) {
case 16:
lcdc_write(priv, _LDDDSR, lcdc_read(priv, _LDDDSR) | 6);
break;
case 24:
lcdc_write(priv, _LDDDSR, lcdc_read(priv, _LDDDSR) | 7);
break;
case 32:
lcdc_write(priv, _LDDDSR, lcdc_read(priv, _LDDDSR) | 4);
break;
}
for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
ch = &priv->ch[k];
@ -546,7 +562,16 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
/* set bpp format in PKF[4:0] */
tmp = lcdc_read_chan(ch, LDDFR);
tmp &= ~0x0001001f;
tmp |= (ch->info->var.bits_per_pixel == 16) ? 3 : 0;
switch (ch->info->var.bits_per_pixel) {
case 16:
tmp |= 0x03;
break;
case 24:
tmp |= 0x0b;
break;
case 32:
break;
}
lcdc_write_chan(ch, LDDFR, tmp);
/* point out our frame buffer */
@ -913,15 +938,30 @@ static int sh_mobile_open(struct fb_info *info, int user)
static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct sh_mobile_lcdc_chan *ch = info->par;
struct sh_mobile_lcdc_priv *p = ch->lcdc;
if (var->xres > MAX_XRES || var->yres > MAX_YRES ||
var->xres * var->yres * (ch->cfg.bpp / 8) * 2 > info->fix.smem_len) {
dev_warn(info->dev, "Invalid info: %u-%u-%u-%u x %u-%u-%u-%u @ %ukHz!\n",
dev_warn(info->dev, "Invalid info: %u-%u-%u-%u x %u-%u-%u-%u @ %lukHz!\n",
var->left_margin, var->xres, var->right_margin, var->hsync_len,
var->upper_margin, var->yres, var->lower_margin, var->vsync_len,
PICOS2KHZ(var->pixclock));
return -EINVAL;
}
/* only accept the forced_bpp for dual channel configurations */
if (p->forced_bpp && p->forced_bpp != var->bits_per_pixel)
return -EINVAL;
switch (var->bits_per_pixel) {
case 16: /* PKF[4:0] = 00011 - RGB 565 */
case 24: /* PKF[4:0] = 01011 - RGB 888 */
case 32: /* PKF[4:0] = 00000 - RGBA 888 */
break;
default:
return -EINVAL;
}
return 0;
}
@ -954,19 +994,27 @@ static int sh_mobile_lcdc_set_bpp(struct fb_var_screeninfo *var, int bpp)
var->transp.length = 0;
break;
case 32: /* PKF[4:0] = 00000 - RGB 888
* sh7722 pdf says 00RRGGBB but reality is GGBB00RR
* this may be because LDDDSR has word swap enabled..
*/
var->red.offset = 0;
case 24: /* PKF[4:0] = 01011 - RGB 888 */
var->red.offset = 16;
var->red.length = 8;
var->green.offset = 24;
var->green.offset = 8;
var->green.length = 8;
var->blue.offset = 16;
var->blue.offset = 0;
var->blue.length = 8;
var->transp.offset = 0;
var->transp.length = 0;
break;
case 32: /* PKF[4:0] = 00000 - RGBA 888 */
var->red.offset = 16;
var->red.length = 8;
var->green.offset = 8;
var->green.length = 8;
var->blue.offset = 0;
var->blue.length = 8;
var->transp.offset = 24;
var->transp.length = 8;
break;
default:
return -EINVAL;
}
@ -1170,6 +1218,10 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
goto err1;
}
/* for dual channel LCDC (MAIN + SUB) force shared bpp setting */
if (j == 2)
priv->forced_bpp = pdata->ch[0].bpp;
priv->base = ioremap_nocache(res->start, resource_size(res));
if (!priv->base)
goto err1;

46
drivers/video/sis/init.c
View File

@ -56,10 +56,6 @@
* Used by permission.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "init.h"
#ifdef CONFIG_FB_SIS_300
@ -880,59 +876,59 @@ SiS_GetModeID_VGA2(int VGAEngine, unsigned int VBFlags, int HDisplay, int VDispl
/*********************************************/
void
SiS_SetReg(SISIOADDRESS port, unsigned short index, unsigned short data)
SiS_SetReg(SISIOADDRESS port, u8 index, u8 data)
{
outb((u8)index, port);
outb((u8)data, port + 1);
outb(index, port);
outb(data, port + 1);
}
void
SiS_SetRegByte(SISIOADDRESS port, unsigned short data)
SiS_SetRegByte(SISIOADDRESS port, u8 data)
{
outb((u8)data, port);
outb(data, port);
}
void
SiS_SetRegShort(SISIOADDRESS port, unsigned short data)
SiS_SetRegShort(SISIOADDRESS port, u16 data)
{
outw((u16)data, port);
outw(data, port);
}
void
SiS_SetRegLong(SISIOADDRESS port, unsigned int data)
SiS_SetRegLong(SISIOADDRESS port, u32 data)
{
outl((u32)data, port);
outl(data, port);
}
unsigned char
SiS_GetReg(SISIOADDRESS port, unsigned short index)
u8
SiS_GetReg(SISIOADDRESS port, u8 index)
{
outb((u8)index, port);
outb(index, port);
return inb(port + 1);
}
unsigned char
u8
SiS_GetRegByte(SISIOADDRESS port)
{
return inb(port);
}
unsigned short
u16
SiS_GetRegShort(SISIOADDRESS port)
{
return inw(port);
}
unsigned int
u32
SiS_GetRegLong(SISIOADDRESS port)
{
return inl(port);
}
void
SiS_SetRegANDOR(SISIOADDRESS Port, unsigned short Index, unsigned short DataAND, unsigned short DataOR)
SiS_SetRegANDOR(SISIOADDRESS Port, u8 Index, u8 DataAND, u8 DataOR)
{
unsigned short temp;
u8 temp;
temp = SiS_GetReg(Port, Index);
temp = (temp & (DataAND)) | DataOR;
@ -940,9 +936,9 @@ SiS_SetRegANDOR(SISIOADDRESS Port, unsigned short Index, unsigned short DataAND,
}
void
SiS_SetRegAND(SISIOADDRESS Port, unsigned short Index, unsigned short DataAND)
SiS_SetRegAND(SISIOADDRESS Port, u8 Index, u8 DataAND)
{
unsigned short temp;
u8 temp;
temp = SiS_GetReg(Port, Index);
temp &= DataAND;
@ -950,9 +946,9 @@ SiS_SetRegAND(SISIOADDRESS Port, unsigned short Index, unsigned short DataAND)
}
void
SiS_SetRegOR(SISIOADDRESS Port, unsigned short Index, unsigned short DataOR)
SiS_SetRegOR(SISIOADDRESS Port, u8 Index, u8 DataOR)
{
unsigned short temp;
u8 temp;
temp = SiS_GetReg(Port, Index);
temp |= DataOR;

13
drivers/video/sis/init.h
View File

@ -1516,19 +1516,6 @@ unsigned short SiS_GetModeID_TV(int VGAEngine, unsigned int VBFlags, int HDispla
unsigned short SiS_GetModeID_VGA2(int VGAEngine, unsigned int VBFlags, int HDisplay,
int VDisplay, int Depth, unsigned int VBFlags2);
void SiS_SetReg(SISIOADDRESS port, unsigned short index, unsigned short data);
void SiS_SetRegByte(SISIOADDRESS port, unsigned short data);
void SiS_SetRegShort(SISIOADDRESS port, unsigned short data);
void SiS_SetRegLong(SISIOADDRESS port, unsigned int data);
unsigned char SiS_GetReg(SISIOADDRESS port, unsigned short index);
unsigned char SiS_GetRegByte(SISIOADDRESS port);
unsigned short SiS_GetRegShort(SISIOADDRESS port);
unsigned int SiS_GetRegLong(SISIOADDRESS port);
void SiS_SetRegANDOR(SISIOADDRESS Port, unsigned short Index, unsigned short DataAND,
unsigned short DataOR);
void SiS_SetRegAND(SISIOADDRESS Port,unsigned short Index, unsigned short DataAND);
void SiS_SetRegOR(SISIOADDRESS Port,unsigned short Index, unsigned short DataOR);
void SiS_DisplayOn(struct SiS_Private *SiS_Pr);
void SiS_DisplayOff(struct SiS_Private *SiS_Pr);
void SiSRegInit(struct SiS_Private *SiS_Pr, SISIOADDRESS BaseAddr);

8
drivers/video/sis/init301.c
View File

@ -57,10 +57,6 @@
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#if 1
#define SET_EMI /* 302LV/ELV: Set EMI values */
#endif
@ -5856,7 +5852,7 @@ SiS_SetGroup1_LVDS(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned s
temp = tempax & 0x00FF;
SiS_SetReg(SiS_Pr->SiS_Part1Port,0x43,temp);
temp = ((tempax & 0xFF00) >> 8) << 3;
SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x44,~0x0F8,temp);
SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port, 0x44, 0x07, temp);
tempax = SiS_Pr->SiS_VDE; /* BDxWadrst1 = BDxWadrst0 + BDxWadroff * VDE */
if(SiS_Pr->SiS_LCDResInfo == Panel_320x240_1 ||
@ -5870,7 +5866,7 @@ SiS_SetGroup1_LVDS(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned s
temp = ((tempeax & 0xFF0000) >> 16) | 0x10;
SiS_SetReg(SiS_Pr->SiS_Part1Port,0x40,temp);
temp = ((tempeax & 0x01000000) >> 24) << 7;
SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x3C,~0x080,temp);
SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port, 0x3C, 0x7F, temp);
SiS_SetReg(SiS_Pr->SiS_Part1Port,0x2F,0x03);
SiS_SetReg(SiS_Pr->SiS_Part1Port,0x03,0x50);

11
drivers/video/sis/init301.h
View File

@ -428,17 +428,6 @@ static void SiS_OEM661Setting(struct SiS_Private *SiS_Pr,
static void SiS_FinalizeLCD(struct SiS_Private *, unsigned short, unsigned short);
#endif
extern void SiS_SetReg(SISIOADDRESS, unsigned short, unsigned short);
extern void SiS_SetRegByte(SISIOADDRESS, unsigned short);
extern void SiS_SetRegShort(SISIOADDRESS, unsigned short);
extern void SiS_SetRegLong(SISIOADDRESS, unsigned int);
extern unsigned char SiS_GetReg(SISIOADDRESS, unsigned short);
extern unsigned char SiS_GetRegByte(SISIOADDRESS);
extern unsigned short SiS_GetRegShort(SISIOADDRESS);
extern unsigned int SiS_GetRegLong(SISIOADDRESS);
extern void SiS_SetRegANDOR(SISIOADDRESS, unsigned short, unsigned short, unsigned short);
extern void SiS_SetRegOR(SISIOADDRESS, unsigned short, unsigned short);
extern void SiS_SetRegAND(SISIOADDRESS, unsigned short, unsigned short);
extern void SiS_DisplayOff(struct SiS_Private *SiS_Pr);
extern void SiS_DisplayOn(struct SiS_Private *SiS_Pr);
extern bool SiS_SearchModeID(struct SiS_Private *, unsigned short *, unsigned short *);

63
drivers/video/sis/sis.h
View File

@ -307,58 +307,19 @@
#define VB2_LCDOVER1600BRIDGE (VB2_307T | VB2_307LV)
#define VB2_RAMDAC202MHZBRIDGE (VB2_301C | VB2_307T)
/* I/O port access macros */
#define inSISREG(base) inb(base)
/* I/O port access functions */
#define outSISREG(base,val) outb(val,base)
#define orSISREG(base,val) \
do { \
u8 __Temp = inSISREG(base); \
outSISREG(base, __Temp | (val));\
} while (0)
#define andSISREG(base,val) \
do { \
u8 __Temp = inSISREG(base); \
outSISREG(base, __Temp & (val));\
} while (0)
#define inSISIDXREG(base,idx,var) \
do { \
outSISREG(base, idx); \
var = inSISREG((base)+1); \
} while (0)
#define outSISIDXREG(base,idx,val) \
do { \
outSISREG(base, idx); \
outSISREG((base)+1, val); \
} while (0)
#define orSISIDXREG(base,idx,val) \
do { \
u8 __Temp; \
outSISREG(base, idx); \
__Temp = inSISREG((base)+1) | (val); \
outSISREG((base)+1, __Temp); \
} while (0)
#define andSISIDXREG(base,idx,and) \
do { \
u8 __Temp; \
outSISREG(base, idx); \
__Temp = inSISREG((base)+1) & (and); \
outSISREG((base)+1, __Temp); \
} while (0)
#define setSISIDXREG(base,idx,and,or) \
do { \
u8 __Temp; \
outSISREG(base, idx); \
__Temp = (inSISREG((base)+1) & (and)) | (or); \
outSISREG((base)+1, __Temp); \
} while (0)
void SiS_SetReg(SISIOADDRESS, u8, u8);
void SiS_SetRegByte(SISIOADDRESS, u8);
void SiS_SetRegShort(SISIOADDRESS, u16);
void SiS_SetRegLong(SISIOADDRESS, u32);
void SiS_SetRegANDOR(SISIOADDRESS, u8, u8, u8);
void SiS_SetRegAND(SISIOADDRESS, u8, u8);
void SiS_SetRegOR(SISIOADDRESS, u8, u8);
u8 SiS_GetReg(SISIOADDRESS, u8);
u8 SiS_GetRegByte(SISIOADDRESS);
u16 SiS_GetRegShort(SISIOADDRESS);
u32 SiS_GetRegLong(SISIOADDRESS);
/* MMIO access macros */
#define MMIO_IN8(base, offset) readb((base+offset))

1188
drivers/video/sis/sis_main.c
View File

File diff suppressed because it is too large Load Diff

135
drivers/staging/udlfb/udlfb.c → drivers/video/udlfb.c
View File

@ -16,6 +16,8 @@
* from Florian Echtler, Henrik Bjerregaard Pedersen, and others.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
@ -26,8 +28,8 @@
#include <linux/vmalloc.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include "udlfb.h"
#include <video/udlfb.h>
#include "edid.h"
static struct fb_fix_screeninfo dlfb_fix = {
.id = "udlfb",
@ -40,9 +42,7 @@ static struct fb_fix_screeninfo dlfb_fix = {
};
static const u32 udlfb_info_flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
#ifdef FBINFO_VIRTFB
FBINFO_VIRTFB |
#endif
FBINFO_HWACCEL_IMAGEBLIT | FBINFO_HWACCEL_FILLRECT |
FBINFO_HWACCEL_COPYAREA | FBINFO_MISC_ALWAYS_SETPAR;
@ -293,7 +293,7 @@ static int dlfb_ops_mmap(struct fb_info *info, struct vm_area_struct *vma)
pos = (unsigned long)info->fix.smem_start + offset;
dl_notice("mmap() framebuffer addr:%lu size:%lu\n",
pr_notice("mmap() framebuffer addr:%lu size:%lu\n",
pos, size);
while (size > 0) {
@ -595,18 +595,6 @@ error:
return 0;
}
static ssize_t dlfb_ops_read(struct fb_info *info, char __user *buf,
size_t count, loff_t *ppos)
{
ssize_t result = -ENOSYS;
#if defined CONFIG_FB_SYS_FOPS || defined CONFIG_FB_SYS_FOPS_MODULE
result = fb_sys_read(info, buf, count, ppos);
#endif
return result;
}
/*
* Path triggered by usermode clients who write to filesystem
* e.g. cat filename > /dev/fb1
@ -616,12 +604,10 @@ static ssize_t dlfb_ops_read(struct fb_info *info, char __user *buf,
static ssize_t dlfb_ops_write(struct fb_info *info, const char __user *buf,
size_t count, loff_t *ppos)
{
ssize_t result = -ENOSYS;
ssize_t result;
struct dlfb_data *dev = info->par;
u32 offset = (u32) *ppos;
#if defined CONFIG_FB_SYS_FOPS || defined CONFIG_FB_SYS_FOPS_MODULE
result = fb_sys_write(info, buf, count, ppos);
if (result > 0) {
@ -632,7 +618,6 @@ static ssize_t dlfb_ops_write(struct fb_info *info, const char __user *buf,
dlfb_handle_damage(dev, 0, start, info->var.xres,
lines, info->screen_base);
}
#endif
return result;
}
@ -644,14 +629,10 @@ static void dlfb_ops_copyarea(struct fb_info *info,
struct dlfb_data *dev = info->par;
#if defined CONFIG_FB_SYS_COPYAREA || defined CONFIG_FB_SYS_COPYAREA_MODULE
sys_copyarea(info, area);
dlfb_handle_damage(dev, area->dx, area->dy,
area->width, area->height, info->screen_base);
#endif
}
static void dlfb_ops_imageblit(struct fb_info *info,
@ -659,15 +640,10 @@ static void dlfb_ops_imageblit(struct fb_info *info,
{
struct dlfb_data *dev = info->par;
#if defined CONFIG_FB_SYS_IMAGEBLIT || defined CONFIG_FB_SYS_IMAGEBLIT_MODULE
sys_imageblit(info, image);
dlfb_handle_damage(dev, image->dx, image->dy,
image->width, image->height, info->screen_base);
#endif
}
static void dlfb_ops_fillrect(struct fb_info *info,
@ -675,17 +651,12 @@ static void dlfb_ops_fillrect(struct fb_info *info,
{
struct dlfb_data *dev = info->par;
#if defined CONFIG_FB_SYS_FILLRECT || defined CONFIG_FB_SYS_FILLRECT_MODULE
sys_fillrect(info, rect);
dlfb_handle_damage(dev, rect->dx, rect->dy, rect->width,
rect->height, info->screen_base);
#endif
}
#ifdef CONFIG_FB_DEFERRED_IO
/*
* NOTE: fb_defio.c is holding info->fbdefio.mutex
* Touching ANY framebuffer memory that triggers a page fault
@ -747,8 +718,6 @@ error:
&dev->cpu_kcycles_used);
}
#endif
static int dlfb_get_edid(struct dlfb_data *dev, char *edid, int len)
{
int i;
@ -765,7 +734,7 @@ static int dlfb_get_edid(struct dlfb_data *dev, char *edid, int len)
(0x80 | (0x02 << 5)), i << 8, 0xA1, rbuf, 2,
HZ);
if (ret < 1) {
dl_err("Read EDID byte %d failed err %x\n", i, ret);
pr_err("Read EDID byte %d failed err %x\n", i, ret);
i--;
break;
}
@ -881,7 +850,6 @@ static int dlfb_ops_open(struct fb_info *info, int user)
kref_get(&dev->kref);
#ifdef CONFIG_FB_DEFERRED_IO
if (fb_defio && (info->fbdefio == NULL)) {
/* enable defio at last moment if not disabled by client */
@ -897,9 +865,8 @@ static int dlfb_ops_open(struct fb_info *info, int user)
info->fbdefio = fbdefio;
fb_deferred_io_init(info);
}
#endif
dl_notice("open /dev/fb%d user=%d fb_info=%p count=%d\n",
pr_notice("open /dev/fb%d user=%d fb_info=%p count=%d\n",
info->node, user, info, dev->fb_count);
return 0;
@ -923,7 +890,7 @@ static void dlfb_free(struct kref *kref)
kfree(dev->edid);
dl_warn("freeing dlfb_data %p\n", dev);
pr_warn("freeing dlfb_data %p\n", dev);
kfree(dev);
}
@ -959,7 +926,7 @@ static void dlfb_free_framebuffer_work(struct work_struct *work)
/* Assume info structure is freed after this point */
framebuffer_release(info);
dl_warn("fb_info for /dev/fb%d has been freed\n", node);
pr_warn("fb_info for /dev/fb%d has been freed\n", node);
/* ref taken in probe() as part of registering framebfufer */
kref_put(&dev->kref, dlfb_free);
@ -978,16 +945,14 @@ static int dlfb_ops_release(struct fb_info *info, int user)
if (dev->virtualized && (dev->fb_count == 0))
schedule_delayed_work(&dev->free_framebuffer_work, HZ);
#ifdef CONFIG_FB_DEFERRED_IO
if ((dev->fb_count == 0) && (info->fbdefio)) {
fb_deferred_io_cleanup(info);
kfree(info->fbdefio);
info->fbdefio = NULL;
info->fbops->fb_mmap = dlfb_ops_mmap;
}
#endif
dl_warn("released /dev/fb%d user=%d count=%d\n",
pr_warn("released /dev/fb%d user=%d count=%d\n",
info->node, user, dev->fb_count);
kref_put(&dev->kref, dlfb_free);
@ -1005,12 +970,12 @@ static int dlfb_is_valid_mode(struct fb_videomode *mode,
struct dlfb_data *dev = info->par;
if (mode->xres * mode->yres > dev->sku_pixel_limit) {
dl_warn("%dx%d beyond chip capabilities\n",
pr_warn("%dx%d beyond chip capabilities\n",
mode->xres, mode->yres);
return 0;
}
dl_info("%dx%d valid mode\n", mode->xres, mode->yres);
pr_info("%dx%d valid mode\n", mode->xres, mode->yres);
return 1;
}
@ -1054,7 +1019,7 @@ static int dlfb_ops_set_par(struct fb_info *info)
u16 *pix_framebuffer;
int i;
dl_notice("set_par mode %dx%d\n", info->var.xres, info->var.yres);
pr_notice("set_par mode %dx%d\n", info->var.xres, info->var.yres);
result = dlfb_set_video_mode(dev, &info->var);
@ -1104,7 +1069,7 @@ static int dlfb_ops_blank(int blank_mode, struct fb_info *info)
static struct fb_ops dlfb_ops = {
.owner = THIS_MODULE,
.fb_read = dlfb_ops_read,
.fb_read = fb_sys_read,
.fb_write = dlfb_ops_write,
.fb_setcolreg = dlfb_ops_setcolreg,
.fb_fillrect = dlfb_ops_fillrect,
@ -1133,7 +1098,7 @@ static int dlfb_realloc_framebuffer(struct dlfb_data *dev, struct fb_info *info)
unsigned char *new_fb;
unsigned char *new_back;
dl_warn("Reallocating framebuffer. Addresses will change!\n");
pr_warn("Reallocating framebuffer. Addresses will change!\n");
new_len = info->fix.line_length * info->var.yres;
@ -1143,7 +1108,7 @@ static int dlfb_realloc_framebuffer(struct dlfb_data *dev, struct fb_info *info)
*/
new_fb = vmalloc(new_len);
if (!new_fb) {
dl_err("Virtual framebuffer alloc failed\n");
pr_err("Virtual framebuffer alloc failed\n");
goto error;
}
@ -1165,7 +1130,7 @@ static int dlfb_realloc_framebuffer(struct dlfb_data *dev, struct fb_info *info)
*/
new_back = vmalloc(new_len);
if (!new_back)
dl_info("No shadow/backing buffer allcoated\n");
pr_info("No shadow/backing buffer allcoated\n");
else {
if (dev->backing_buffer)
vfree(dev->backing_buffer);
@ -1207,7 +1172,7 @@ static int dlfb_setup_modes(struct dlfb_data *dev,
if (info->dev) /* only use mutex if info has been registered */
mutex_lock(&info->lock);
edid = kmalloc(MAX_EDID_SIZE, GFP_KERNEL);
edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
if (!edid) {
result = -ENOMEM;
goto error;
@ -1223,9 +1188,9 @@ static int dlfb_setup_modes(struct dlfb_data *dev,
*/
while (tries--) {
i = dlfb_get_edid(dev, edid, MAX_EDID_SIZE);
i = dlfb_get_edid(dev, edid, EDID_LENGTH);
if (i >= MIN_EDID_SIZE)
if (i >= EDID_LENGTH)
fb_edid_to_monspecs(edid, &info->monspecs);
if (info->monspecs.modedb_len > 0) {
@ -1238,24 +1203,24 @@ static int dlfb_setup_modes(struct dlfb_data *dev,
/* If that fails, use a previously returned EDID if available */
if (info->monspecs.modedb_len == 0) {
dl_err("Unable to get valid EDID from device/display\n");
pr_err("Unable to get valid EDID from device/display\n");
if (dev->edid) {
fb_edid_to_monspecs(dev->edid, &info->monspecs);
if (info->monspecs.modedb_len > 0)
dl_err("Using previously queried EDID\n");
pr_err("Using previously queried EDID\n");
}
}
/* If that fails, use the default EDID we were handed */
if (info->monspecs.modedb_len == 0) {
if (default_edid_size >= MIN_EDID_SIZE) {
if (default_edid_size >= EDID_LENGTH) {
fb_edid_to_monspecs(default_edid, &info->monspecs);
if (info->monspecs.modedb_len > 0) {
memcpy(edid, default_edid, default_edid_size);
dev->edid = edid;
dev->edid_size = default_edid_size;
dl_err("Using default/backup EDID\n");
pr_err("Using default/backup EDID\n");
}
}
}
@ -1381,7 +1346,7 @@ static ssize_t edid_show(
if (off + count > dev->edid_size)
count = dev->edid_size - off;
dl_info("sysfs edid copy %p to %p, %d bytes\n",
pr_info("sysfs edid copy %p to %p, %d bytes\n",
dev->edid, buf, (int) count);
memcpy(buf, dev->edid, count);
@ -1398,15 +1363,13 @@ static ssize_t edid_store(
struct dlfb_data *dev = fb_info->par;
/* We only support write of entire EDID at once, no offset*/
if ((src_size < MIN_EDID_SIZE) ||
(src_size > MAX_EDID_SIZE) ||
(src_off != 0))
if ((src_size != EDID_LENGTH) || (src_off != 0))
return 0;
dlfb_setup_modes(dev, fb_info, src, src_size);
if (dev->edid && (memcmp(src, dev->edid, src_size) == 0)) {
dl_info("sysfs written EDID is new default\n");
pr_info("sysfs written EDID is new default\n");
dlfb_ops_set_par(fb_info);
return src_size;
} else
@ -1431,7 +1394,7 @@ static ssize_t metrics_reset_store(struct device *fbdev,
static struct bin_attribute edid_attr = {
.attr.name = "edid",
.attr.mode = 0666,
.size = MAX_EDID_SIZE,
.size = EDID_LENGTH,
.read = edid_show,
.write = edid_store
};
@ -1479,7 +1442,7 @@ static int dlfb_parse_vendor_descriptor(struct dlfb_data *dev,
total_len = usb_get_descriptor(usbdev, 0x5f, /* vendor specific */
0, desc, MAX_VENDOR_DESCRIPTOR_SIZE);
if (total_len > 5) {
dl_info("vendor descriptor length:%x data:%02x %02x %02x %02x" \
pr_info("vendor descriptor length:%x data:%02x %02x %02x %02x" \
"%02x %02x %02x %02x %02x %02x %02x\n",
total_len, desc[0],
desc[1], desc[2], desc[3], desc[4], desc[5], desc[6],
@ -1508,7 +1471,7 @@ static int dlfb_parse_vendor_descriptor(struct dlfb_data *dev,
case 0x0200: { /* max_area */
u32 max_area;
max_area = le32_to_cpu(*((u32 *)desc));
dl_warn("DL chip limited to %d pixel modes\n",
pr_warn("DL chip limited to %d pixel modes\n",
max_area);
dev->sku_pixel_limit = max_area;
break;
@ -1524,7 +1487,7 @@ static int dlfb_parse_vendor_descriptor(struct dlfb_data *dev,
unrecognized:
/* allow udlfb to load for now even if firmware unrecognized */
dl_err("Unrecognized vendor firmware descriptor\n");
pr_err("Unrecognized vendor firmware descriptor\n");
success:
kfree(buf);
@ -1557,24 +1520,24 @@ static int dlfb_usb_probe(struct usb_interface *interface,
dev->gdev = &usbdev->dev; /* our generic struct device * */
usb_set_intfdata(interface, dev);
dl_info("%s %s - serial #%s\n",
pr_info("%s %s - serial #%s\n",
usbdev->manufacturer, usbdev->product, usbdev->serial);
dl_info("vid_%04x&pid_%04x&rev_%04x driver's dlfb_data struct at %p\n",
pr_info("vid_%04x&pid_%04x&rev_%04x driver's dlfb_data struct at %p\n",
usbdev->descriptor.idVendor, usbdev->descriptor.idProduct,
usbdev->descriptor.bcdDevice, dev);
dl_info("console enable=%d\n", console);
dl_info("fb_defio enable=%d\n", fb_defio);
pr_info("console enable=%d\n", console);
pr_info("fb_defio enable=%d\n", fb_defio);
dev->sku_pixel_limit = 2048 * 1152; /* default to maximum */
if (!dlfb_parse_vendor_descriptor(dev, usbdev)) {
dl_err("firmware not recognized. Assume incompatible device\n");
pr_err("firmware not recognized. Assume incompatible device\n");
goto error;
}
if (!dlfb_alloc_urb_list(dev, WRITES_IN_FLIGHT, MAX_TRANSFER)) {
retval = -ENOMEM;
dl_err("dlfb_alloc_urb_list failed\n");
pr_err("dlfb_alloc_urb_list failed\n");
goto error;
}
@ -1584,7 +1547,7 @@ static int dlfb_usb_probe(struct usb_interface *interface,
info = framebuffer_alloc(0, &usbdev->dev);
if (!info) {
retval = -ENOMEM;
dl_err("framebuffer_alloc failed\n");
pr_err("framebuffer_alloc failed\n");
goto error;
}
@ -1595,7 +1558,7 @@ static int dlfb_usb_probe(struct usb_interface *interface,
retval = fb_alloc_cmap(&info->cmap, 256, 0);
if (retval < 0) {
dl_err("fb_alloc_cmap failed %x\n", retval);
pr_err("fb_alloc_cmap failed %x\n", retval);
goto error;
}
@ -1606,7 +1569,7 @@ static int dlfb_usb_probe(struct usb_interface *interface,
retval = dlfb_setup_modes(dev, info, NULL, 0);
if (retval != 0) {
dl_err("unable to find common mode for display and adapter\n");
pr_err("unable to find common mode for display and adapter\n");
goto error;
}
@ -1620,7 +1583,7 @@ static int dlfb_usb_probe(struct usb_interface *interface,
retval = register_framebuffer(info);
if (retval < 0) {
dl_err("register_framebuffer failed %d\n", retval);
pr_err("register_framebuffer failed %d\n", retval);
goto error;
}
@ -1629,7 +1592,7 @@ static int dlfb_usb_probe(struct usb_interface *interface,
device_create_bin_file(info->dev, &edid_attr);
dl_info("DisplayLink USB device /dev/fb%d attached. %dx%d resolution."
pr_info("DisplayLink USB device /dev/fb%d attached. %dx%d resolution."
" Using %dK framebuffer memory\n", info->node,
info->var.xres, info->var.yres,
((dev->backing_buffer) ?
@ -1673,7 +1636,7 @@ static void dlfb_usb_disconnect(struct usb_interface *interface)
dev = usb_get_intfdata(interface);
info = dev->info;
dl_info("USB disconnect starting\n");
pr_info("USB disconnect starting\n");
/* we virtualize until all fb clients release. Then we free */
dev->virtualized = true;
@ -1737,7 +1700,7 @@ static void dlfb_urb_completion(struct urb *urb)
if (!(urb->status == -ENOENT ||
urb->status == -ECONNRESET ||
urb->status == -ESHUTDOWN)) {
dl_err("%s - nonzero write bulk status received: %d\n",
pr_err("%s - nonzero write bulk status received: %d\n",
__func__, urb->status);
atomic_set(&dev->lost_pixels, 1);
}
@ -1769,7 +1732,7 @@ static void dlfb_free_urb_list(struct dlfb_data *dev)
int ret;
unsigned long flags;
dl_notice("Waiting for completes and freeing all render urbs\n");
pr_notice("Waiting for completes and freeing all render urbs\n");
/* keep waiting and freeing, until we've got 'em all */
while (count--) {
@ -1848,7 +1811,7 @@ static int dlfb_alloc_urb_list(struct dlfb_data *dev, int count, size_t size)
dev->urbs.count = i;
dev->urbs.available = i;
dl_notice("allocated %d %d byte urbs\n", i, (int) size);
pr_notice("allocated %d %d byte urbs\n", i, (int) size);
return i;
}
@ -1865,7 +1828,7 @@ static struct urb *dlfb_get_urb(struct dlfb_data *dev)
ret = down_timeout(&dev->urbs.limit_sem, GET_URB_TIMEOUT);
if (ret) {
atomic_set(&dev->lost_pixels, 1);
dl_warn("wait for urb interrupted: %x available: %d\n",
pr_warn("wait for urb interrupted: %x available: %d\n",
ret, dev->urbs.available);
goto error;
}
@ -1897,7 +1860,7 @@ static int dlfb_submit_urb(struct dlfb_data *dev, struct urb *urb, size_t len)
if (ret) {
dlfb_urb_completion(urb); /* because no one else will */
atomic_set(&dev->lost_pixels, 1);
dl_err("usb_submit_urb error %x\n", ret);
pr_err("usb_submit_urb error %x\n", ret);
}
return ret;
}

96
drivers/video/via/via-core.c
View File

@ -15,6 +15,9 @@
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/list.h>
#include <linux/pm.h>
#include <asm/olpc.h>
/*
* The default port config.
@ -28,6 +31,19 @@ static struct via_port_cfg adap_configs[] = {
{ 0, 0, 0, 0 }
};
/*
* The OLPC XO-1.5 puts the camera power and reset lines onto
* GPIO 2C.
*/
static const struct via_port_cfg olpc_adap_configs[] = {
[VIA_PORT_26] = { VIA_PORT_I2C, VIA_MODE_I2C, VIASR, 0x26 },
[VIA_PORT_31] = { VIA_PORT_I2C, VIA_MODE_I2C, VIASR, 0x31 },
[VIA_PORT_25] = { VIA_PORT_GPIO, VIA_MODE_GPIO, VIASR, 0x25 },
[VIA_PORT_2C] = { VIA_PORT_GPIO, VIA_MODE_GPIO, VIASR, 0x2c },
[VIA_PORT_3D] = { VIA_PORT_GPIO, VIA_MODE_GPIO, VIASR, 0x3d },
{ 0, 0, 0, 0 }
};
/*
* We currently only support one viafb device (will there ever be
* more than one?), so just declare it globally here.
@ -575,6 +591,78 @@ static void via_teardown_subdevs(void)
}
}
/*
* Power management functions
*/
#ifdef CONFIG_PM
static LIST_HEAD(viafb_pm_hooks);
static DEFINE_MUTEX(viafb_pm_hooks_lock);
void viafb_pm_register(struct viafb_pm_hooks *hooks)
{
INIT_LIST_HEAD(&hooks->list);
mutex_lock(&viafb_pm_hooks_lock);
list_add_tail(&hooks->list, &viafb_pm_hooks);
mutex_unlock(&viafb_pm_hooks_lock);
}
EXPORT_SYMBOL_GPL(viafb_pm_register);
void viafb_pm_unregister(struct viafb_pm_hooks *hooks)
{
mutex_lock(&viafb_pm_hooks_lock);
list_del(&hooks->list);
mutex_unlock(&viafb_pm_hooks_lock);
}
EXPORT_SYMBOL_GPL(viafb_pm_unregister);
static int via_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct viafb_pm_hooks *hooks;
if (state.event != PM_EVENT_SUSPEND)
return 0;
/*
* "I've occasionally hit a few drivers that caused suspend
* failures, and each and every time it was a driver bug, and
* the right thing to do was to just ignore the error and suspend
* anyway - returning an error code and trying to undo the suspend
* is not what anybody ever really wants, even if our model
*_allows_ for it."
* -- Linus Torvalds, Dec. 7, 2009
*/
mutex_lock(&viafb_pm_hooks_lock);
list_for_each_entry_reverse(hooks, &viafb_pm_hooks, list)
hooks->suspend(hooks->private);
mutex_unlock(&viafb_pm_hooks_lock);
pci_save_state(pdev);
pci_disable_device(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
return 0;
}
static int via_resume(struct pci_dev *pdev)
{
struct viafb_pm_hooks *hooks;
/* Get the bus side powered up */
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
if (pci_enable_device(pdev))
return 0;
pci_set_master(pdev);
/* Now bring back any subdevs */
mutex_lock(&viafb_pm_hooks_lock);
list_for_each_entry(hooks, &viafb_pm_hooks, list)
hooks->resume(hooks->private);
mutex_unlock(&viafb_pm_hooks_lock);
return 0;
}
#endif /* CONFIG_PM */
static int __devinit via_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
@ -584,6 +672,7 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
ret = pci_enable_device(pdev);
if (ret)
return ret;
/*
* Global device initialization.
*/
@ -591,6 +680,9 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
global_dev.pdev = pdev;
global_dev.chip_type = ent->driver_data;
global_dev.port_cfg = adap_configs;
if (machine_is_olpc())
global_dev.port_cfg = olpc_adap_configs;
spin_lock_init(&global_dev.reg_lock);
ret = via_pci_setup_mmio(&global_dev);
if (ret)
@ -663,8 +755,8 @@ static struct pci_driver via_driver = {
.probe = via_pci_probe,
.remove = __devexit_p(via_pci_remove),
#ifdef CONFIG_PM
.suspend = viafb_suspend,
.resume = viafb_resume,
.suspend = via_suspend,
.resume = via_resume,
#endif
};

29
drivers/video/via/via-gpio.c
View File

@ -172,6 +172,28 @@ static void viafb_gpio_disable(struct viafb_gpio *gpio)
via_write_reg_mask(VIASR, gpio->vg_port_index, 0, 0x02);
}
#ifdef CONFIG_PM
static int viafb_gpio_suspend(void *private)
{
return 0;
}
static int viafb_gpio_resume(void *private)
{
int i;
for (i = 0; i < gpio_config.gpio_chip.ngpio; i += 2)
viafb_gpio_enable(gpio_config.active_gpios[i]);
return 0;
}
static struct viafb_pm_hooks viafb_gpio_pm_hooks = {
.suspend = viafb_gpio_suspend,
.resume = viafb_gpio_resume
};
#endif /* CONFIG_PM */
/*
* Look up a specific gpio and return the number it was assigned.
*/
@ -236,6 +258,9 @@ static __devinit int viafb_gpio_probe(struct platform_device *platdev)
printk(KERN_ERR "viafb: failed to add gpios (%d)\n", ret);
gpio_config.gpio_chip.ngpio = 0;
}
#ifdef CONFIG_PM
viafb_pm_register(&viafb_gpio_pm_hooks);
#endif
return ret;
}
@ -245,6 +270,10 @@ static int viafb_gpio_remove(struct platform_device *platdev)
unsigned long flags;
int ret = 0, i;
#ifdef CONFIG_PM
viafb_pm_unregister(&viafb_gpio_pm_hooks);
#endif
/*
* Get unregistered.
*/

34
drivers/video/via/viafbdev.c
View File

@ -1672,31 +1672,19 @@ static int parse_mode(const char *str, u32 *xres, u32 *yres)
#ifdef CONFIG_PM
int viafb_suspend(struct pci_dev *pdev, pm_message_t state)
static int viafb_suspend(void *unused)
{
if (state.event == PM_EVENT_SUSPEND) {
acquire_console_sem();
fb_set_suspend(viafbinfo, 1);
viafb_sync(viafbinfo);
pci_save_state(pdev);
pci_disable_device(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
release_console_sem();
}
acquire_console_sem();
fb_set_suspend(viafbinfo, 1);
viafb_sync(viafbinfo);
release_console_sem();
return 0;
}
int viafb_resume(struct pci_dev *pdev)
static int viafb_resume(void *unused)
{
acquire_console_sem();
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
if (pci_enable_device(pdev))
goto fail;
pci_set_master(pdev);
if (viaparinfo->shared->vdev->engine_mmio)
viafb_reset_engine(viaparinfo);
viafb_set_par(viafbinfo);
@ -1704,11 +1692,15 @@ int viafb_resume(struct pci_dev *pdev)
viafb_set_par(viafbinfo1);
fb_set_suspend(viafbinfo, 0);
fail:
release_console_sem();
return 0;
}
static struct viafb_pm_hooks viafb_fb_pm_hooks = {
.suspend = viafb_suspend,
.resume = viafb_resume
};
#endif
@ -1899,6 +1891,10 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
viafb_init_proc(viaparinfo->shared);
viafb_init_dac(IGA2);
#ifdef CONFIG_PM
viafb_pm_register(&viafb_fb_pm_hooks);
#endif
return 0;
out_fb_unreg:

2
drivers/video/via/viafbdev.h
View File

@ -108,6 +108,4 @@ void via_fb_pci_remove(struct pci_dev *pdev);
/* Temporary */
int viafb_init(void);
void viafb_exit(void);
int viafb_suspend(struct pci_dev *pdev, pm_message_t state);
int viafb_resume(struct pci_dev *pdev);
#endif /* __VIAFBDEV_H__ */

447
drivers/video/vt8500lcdfb.c Normal file
View File

@ -0,0 +1,447 @@
/*
* linux/drivers/video/vt8500lcdfb.c
*
* Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
*
* Based on skeletonfb.c and pxafb.c
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/wait.h>
#include <mach/vt8500fb.h>
#include "vt8500lcdfb.h"
#include "wmt_ge_rops.h"
#define to_vt8500lcd_info(__info) container_of(__info, \
struct vt8500lcd_info, fb)
static int vt8500lcd_set_par(struct fb_info *info)
{
struct vt8500lcd_info *fbi = to_vt8500lcd_info(info);
int reg_bpp = 5; /* 16bpp */
int i;
unsigned long control0;
if (!fbi)
return -EINVAL;
if (info->var.bits_per_pixel <= 8) {
/* palettized */
info->var.red.offset = 0;
info->var.red.length = info->var.bits_per_pixel;
info->var.red.msb_right = 0;
info->var.green.offset = 0;
info->var.green.length = info->var.bits_per_pixel;
info->var.green.msb_right = 0;
info->var.blue.offset = 0;
info->var.blue.length = info->var.bits_per_pixel;
info->var.blue.msb_right = 0;
info->var.transp.offset = 0;
info->var.transp.length = 0;
info->var.transp.msb_right = 0;
info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
info->fix.line_length = info->var.xres_virtual /
(8/info->var.bits_per_pixel);
} else {
/* non-palettized */
info->var.transp.offset = 0;
info->var.transp.length = 0;
info->var.transp.msb_right = 0;
if (info->var.bits_per_pixel == 16) {
/* RGB565 */
info->var.red.offset = 11;
info->var.red.length = 5;
info->var.red.msb_right = 0;
info->var.green.offset = 5;
info->var.green.length = 6;
info->var.green.msb_right = 0;
info->var.blue.offset = 0;
info->var.blue.length = 5;
info->var.blue.msb_right = 0;
} else {
/* Equal depths per channel */
info->var.red.offset = info->var.bits_per_pixel
* 2 / 3;
info->var.red.length = info->var.bits_per_pixel / 3;
info->var.red.msb_right = 0;
info->var.green.offset = info->var.bits_per_pixel / 3;
info->var.green.length = info->var.bits_per_pixel / 3;
info->var.green.msb_right = 0;
info->var.blue.offset = 0;
info->var.blue.length = info->var.bits_per_pixel / 3;
info->var.blue.msb_right = 0;
}
info->fix.visual = FB_VISUAL_TRUECOLOR;
info->fix.line_length = info->var.bits_per_pixel > 16 ?
info->var.xres_virtual << 2 :
info->var.xres_virtual << 1;
}
for (i = 0; i < 8; i++) {
if (bpp_values[i] == info->var.bits_per_pixel) {
reg_bpp = i;
continue;
}
}
control0 = readl(fbi->regbase) & ~0xf;
writel(0, fbi->regbase);
while (readl(fbi->regbase + 0x38) & 0x10)
/* wait */;
writel((((info->var.hsync_len - 1) & 0x3f) << 26)
| ((info->var.left_margin & 0xff) << 18)
| (((info->var.xres - 1) & 0x3ff) << 8)
| (info->var.right_margin & 0xff), fbi->regbase + 0x4);
writel((((info->var.vsync_len - 1) & 0x3f) << 26)
| ((info->var.upper_margin & 0xff) << 18)
| (((info->var.yres - 1) & 0x3ff) << 8)
| (info->var.lower_margin & 0xff), fbi->regbase + 0x8);
writel((((info->var.yres - 1) & 0x400) << 2)
| ((info->var.xres - 1) & 0x400), fbi->regbase + 0x10);
writel(0x80000000, fbi->regbase + 0x20);
writel(control0 | (reg_bpp << 1) | 0x100, fbi->regbase);
return 0;
}
static inline u_int chan_to_field(u_int chan, struct fb_bitfield *bf)
{
chan &= 0xffff;
chan >>= 16 - bf->length;
return chan << bf->offset;
}
static int vt8500lcd_setcolreg(unsigned regno, unsigned red, unsigned green,
unsigned blue, unsigned transp,
struct fb_info *info) {
struct vt8500lcd_info *fbi = to_vt8500lcd_info(info);
int ret = 1;
unsigned int val;
if (regno >= 256)
return -EINVAL;
if (info->var.grayscale)
red = green = blue =
(19595 * red + 38470 * green + 7471 * blue) >> 16;
switch (fbi->fb.fix.visual) {
case FB_VISUAL_TRUECOLOR:
if (regno < 16) {
u32 *pal = fbi->fb.pseudo_palette;
val = chan_to_field(red, &fbi->fb.var.red);
val |= chan_to_field(green, &fbi->fb.var.green);
val |= chan_to_field(blue, &fbi->fb.var.blue);
pal[regno] = val;
ret = 0;
}
break;
case FB_VISUAL_STATIC_PSEUDOCOLOR:
case FB_VISUAL_PSEUDOCOLOR:
writew((red & 0xf800)
| ((green >> 5) & 0x7e0)
| ((blue >> 11) & 0x1f),
fbi->palette_cpu + sizeof(u16) * regno);
break;
}
return ret;
}
static int vt8500lcd_ioctl(struct fb_info *info, unsigned int cmd,
unsigned long arg)
{
int ret = 0;
struct vt8500lcd_info *fbi = to_vt8500lcd_info(info);
if (cmd == FBIO_WAITFORVSYNC) {
/* Unmask End of Frame interrupt */
writel(0xffffffff ^ (1 << 3), fbi->regbase + 0x3c);
ret = wait_event_interruptible_timeout(fbi->wait,
readl(fbi->regbase + 0x38) & (1 << 3), HZ / 10);
/* Mask back to reduce unwanted interrupt traffic */
writel(0xffffffff, fbi->regbase + 0x3c);
if (ret < 0)
return ret;
if (ret == 0)
return -ETIMEDOUT;
}
return ret;
}
static int vt8500lcd_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info)
{
unsigned pixlen = info->fix.line_length / info->var.xres_virtual;
unsigned off = pixlen * var->xoffset
+ info->fix.line_length * var->yoffset;
struct vt8500lcd_info *fbi = to_vt8500lcd_info(info);
writel((1 << 31)
| (((var->xres_virtual - var->xres) * pixlen / 4) << 20)
| (off >> 2), fbi->regbase + 0x20);
return 0;
}
static struct fb_ops vt8500lcd_ops = {
.owner = THIS_MODULE,
.fb_set_par = vt8500lcd_set_par,
.fb_setcolreg = vt8500lcd_setcolreg,
.fb_fillrect = wmt_ge_fillrect,
.fb_copyarea = wmt_ge_copyarea,
.fb_imageblit = sys_imageblit,
.fb_sync = wmt_ge_sync,
.fb_ioctl = vt8500lcd_ioctl,
.fb_pan_display = vt8500lcd_pan_display,
};
static irqreturn_t vt8500lcd_handle_irq(int irq, void *dev_id)
{
struct vt8500lcd_info *fbi = dev_id;
if (readl(fbi->regbase + 0x38) & (1 << 3))
wake_up_interruptible(&fbi->wait);
writel(0xffffffff, fbi->regbase + 0x38);
return IRQ_HANDLED;
}
static int __devinit vt8500lcd_probe(struct platform_device *pdev)
{
struct vt8500lcd_info *fbi;
struct resource *res;
struct vt8500fb_platform_data *pdata = pdev->dev.platform_data;
void *addr;
int irq, ret;
ret = -ENOMEM;
fbi = NULL;
fbi = kzalloc(sizeof(struct vt8500lcd_info) + sizeof(u32) * 16,
GFP_KERNEL);
if (!fbi) {
dev_err(&pdev->dev, "Failed to initialize framebuffer device\n");
ret = -ENOMEM;
goto failed;
}
strcpy(fbi->fb.fix.id, "VT8500 LCD");
fbi->fb.fix.type = FB_TYPE_PACKED_PIXELS;
fbi->fb.fix.xpanstep = 0;
fbi->fb.fix.ypanstep = 1;
fbi->fb.fix.ywrapstep = 0;
fbi->fb.fix.accel = FB_ACCEL_NONE;
fbi->fb.var.nonstd = 0;
fbi->fb.var.activate = FB_ACTIVATE_NOW;
fbi->fb.var.height = -1;
fbi->fb.var.width = -1;
fbi->fb.var.vmode = FB_VMODE_NONINTERLACED;
fbi->fb.fbops = &vt8500lcd_ops;
fbi->fb.flags = FBINFO_DEFAULT
| FBINFO_HWACCEL_COPYAREA
| FBINFO_HWACCEL_FILLRECT
| FBINFO_HWACCEL_YPAN
| FBINFO_VIRTFB
| FBINFO_PARTIAL_PAN_OK;
fbi->fb.node = -1;
addr = fbi;
addr = addr + sizeof(struct vt8500lcd_info);
fbi->fb.pseudo_palette = addr;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
dev_err(&pdev->dev, "no I/O memory resource defined\n");
ret = -ENODEV;
goto failed_fbi;
}
res = request_mem_region(res->start, resource_size(res), "vt8500lcd");
if (res == NULL) {
dev_err(&pdev->dev, "failed to request I/O memory\n");
ret = -EBUSY;
goto failed_fbi;
}
fbi->regbase = ioremap(res->start, resource_size(res));
if (fbi->regbase == NULL) {
dev_err(&pdev->dev, "failed to map I/O memory\n");
ret = -EBUSY;
goto failed_free_res;
}
fbi->fb.fix.smem_start = pdata->video_mem_phys;
fbi->fb.fix.smem_len = pdata->video_mem_len;
fbi->fb.screen_base = pdata->video_mem_virt;
fbi->palette_size = PAGE_ALIGN(512);
fbi->palette_cpu = dma_alloc_coherent(&pdev->dev,
fbi->palette_size,
&fbi->palette_phys,
GFP_KERNEL);
if (fbi->palette_cpu == NULL) {
dev_err(&pdev->dev, "Failed to allocate palette buffer\n");
ret = -ENOMEM;
goto failed_free_io;
}
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "no IRQ defined\n");
ret = -ENODEV;
goto failed_free_palette;
}
ret = request_irq(irq, vt8500lcd_handle_irq, IRQF_DISABLED, "LCD", fbi);
if (ret) {
dev_err(&pdev->dev, "request_irq failed: %d\n", ret);
ret = -EBUSY;
goto failed_free_palette;
}
init_waitqueue_head(&fbi->wait);
if (fb_alloc_cmap(&fbi->fb.cmap, 256, 0) < 0) {
dev_err(&pdev->dev, "Failed to allocate color map\n");
ret = -ENOMEM;
goto failed_free_irq;
}
fb_videomode_to_var(&fbi->fb.var, &pdata->mode);
fbi->fb.var.bits_per_pixel = pdata->bpp;
fbi->fb.var.xres_virtual = pdata->xres_virtual;
fbi->fb.var.yres_virtual = pdata->yres_virtual;
ret = vt8500lcd_set_par(&fbi->fb);
if (ret) {
dev_err(&pdev->dev, "Failed to set parameters\n");
goto failed_free_cmap;
}
writel(fbi->fb.fix.smem_start >> 22, fbi->regbase + 0x1c);
writel((fbi->palette_phys & 0xfffffe00) | 1, fbi->regbase + 0x18);
platform_set_drvdata(pdev, fbi);
ret = register_framebuffer(&fbi->fb);
if (ret < 0) {
dev_err(&pdev->dev,
"Failed to register framebuffer device: %d\n", ret);
goto failed_free_cmap;
}
/*
* Ok, now enable the LCD controller
*/
writel(readl(fbi->regbase) | 1, fbi->regbase);
return 0;
failed_free_cmap:
if (fbi->fb.cmap.len)
fb_dealloc_cmap(&fbi->fb.cmap);
failed_free_irq:
free_irq(irq, fbi);
failed_free_palette:
dma_free_coherent(&pdev->dev, fbi->palette_size,
fbi->palette_cpu, fbi->palette_phys);
failed_free_io:
iounmap(fbi->regbase);
failed_free_res:
release_mem_region(res->start, resource_size(res));
failed_fbi:
platform_set_drvdata(pdev, NULL);
kfree(fbi);
failed:
return ret;
}
static int __devexit vt8500lcd_remove(struct platform_device *pdev)
{
struct vt8500lcd_info *fbi = platform_get_drvdata(pdev);
struct resource *res;
int irq;
unregister_framebuffer(&fbi->fb);
writel(0, fbi->regbase);
if (fbi->fb.cmap.len)
fb_dealloc_cmap(&fbi->fb.cmap);
irq = platform_get_irq(pdev, 0);
free_irq(irq, fbi);
dma_free_coherent(&pdev->dev, fbi->palette_size,
fbi->palette_cpu, fbi->palette_phys);
iounmap(fbi->regbase);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
release_mem_region(res->start, resource_size(res));
kfree(fbi);
return 0;
}
static struct platform_driver vt8500lcd_driver = {
.probe = vt8500lcd_probe,
.remove = __devexit_p(vt8500lcd_remove),
.driver = {
.owner = THIS_MODULE,
.name = "vt8500-lcd",
},
};
static int __init vt8500lcd_init(void)
{
return platform_driver_register(&vt8500lcd_driver);
}
static void __exit vt8500lcd_exit(void)
{
platform_driver_unregister(&vt8500lcd_driver);
}
module_init(vt8500lcd_init);
module_exit(vt8500lcd_exit);
MODULE_AUTHOR("Alexey Charkov <alchark@gmail.com>");
MODULE_DESCRIPTION("LCD controller driver for VIA VT8500");
MODULE_LICENSE("GPL");

34
drivers/video/vt8500lcdfb.h Normal file
View File

@ -0,0 +1,34 @@
/*
* linux/drivers/video/vt8500lcdfb.h
*
* Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
struct vt8500lcd_info {
struct fb_info fb;
void __iomem *regbase;
void __iomem *palette_cpu;
dma_addr_t palette_phys;
size_t palette_size;
wait_queue_head_t wait;
};
static int bpp_values[] = {
1,
2,
4,
8,
12,
16,
18,
24,
};

422
drivers/video/wm8505fb.c Normal file
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/*
* WonderMedia WM8505 Frame Buffer device driver
*
* Copyright (C) 2010 Ed Spiridonov <edo.rus@gmail.com>
* Based on vt8500lcdfb.c
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/wait.h>
#include <mach/vt8500fb.h>
#include "wm8505fb_regs.h"
#include "wmt_ge_rops.h"
#define DRIVER_NAME "wm8505-fb"
#define to_wm8505fb_info(__info) container_of(__info, \
struct wm8505fb_info, fb)
struct wm8505fb_info {
struct fb_info fb;
void __iomem *regbase;
unsigned int contrast;
};
static int wm8505fb_init_hw(struct fb_info *info)
{
struct wm8505fb_info *fbi = to_wm8505fb_info(info);
int i;
/* I know the purpose only of few registers, so clear unknown */
for (i = 0; i < 0x200; i += 4)
writel(0, fbi->regbase + i);
/* Set frame buffer address */
writel(fbi->fb.fix.smem_start, fbi->regbase + WMT_GOVR_FBADDR);
writel(fbi->fb.fix.smem_start, fbi->regbase + WMT_GOVR_FBADDR1);
/* Set in-memory picture format to RGB 32bpp */
writel(0x1c, fbi->regbase + WMT_GOVR_COLORSPACE);
writel(1, fbi->regbase + WMT_GOVR_COLORSPACE1);
/* Virtual buffer size */
writel(info->var.xres, fbi->regbase + WMT_GOVR_XRES);
writel(info->var.xres_virtual, fbi->regbase + WMT_GOVR_XRES_VIRTUAL);
/* black magic ;) */
writel(0xf, fbi->regbase + WMT_GOVR_FHI);
writel(4, fbi->regbase + WMT_GOVR_DVO_SET);
writel(1, fbi->regbase + WMT_GOVR_MIF_ENABLE);
writel(1, fbi->regbase + WMT_GOVR_REG_UPDATE);
return 0;
}
static int wm8505fb_set_timing(struct fb_info *info)
{
struct wm8505fb_info *fbi = to_wm8505fb_info(info);
int h_start = info->var.left_margin;
int h_end = h_start + info->var.xres;
int h_all = h_end + info->var.right_margin;
int h_sync = info->var.hsync_len;
int v_start = info->var.upper_margin;
int v_end = v_start + info->var.yres;
int v_all = v_end + info->var.lower_margin;
int v_sync = info->var.vsync_len;
writel(0, fbi->regbase + WMT_GOVR_TG);
writel(h_start, fbi->regbase + WMT_GOVR_TIMING_H_START);
writel(h_end, fbi->regbase + WMT_GOVR_TIMING_H_END);
writel(h_all, fbi->regbase + WMT_GOVR_TIMING_H_ALL);
writel(h_sync, fbi->regbase + WMT_GOVR_TIMING_H_SYNC);
writel(v_start, fbi->regbase + WMT_GOVR_TIMING_V_START);
writel(v_end, fbi->regbase + WMT_GOVR_TIMING_V_END);
writel(v_all, fbi->regbase + WMT_GOVR_TIMING_V_ALL);
writel(v_sync, fbi->regbase + WMT_GOVR_TIMING_V_SYNC);
writel(1, fbi->regbase + WMT_GOVR_TG);
return 0;
}
static int wm8505fb_set_par(struct fb_info *info)
{
struct wm8505fb_info *fbi = to_wm8505fb_info(info);
if (!fbi)
return -EINVAL;
if (info->var.bits_per_pixel == 32) {
info->var.red.offset = 16;
info->var.red.length = 8;
info->var.red.msb_right = 0;
info->var.green.offset = 8;
info->var.green.length = 8;
info->var.green.msb_right = 0;
info->var.blue.offset = 0;
info->var.blue.length = 8;
info->var.blue.msb_right = 0;
info->fix.visual = FB_VISUAL_TRUECOLOR;
info->fix.line_length = info->var.xres_virtual << 2;
}
wm8505fb_set_timing(info);
writel(fbi->contrast<<16 | fbi->contrast<<8 | fbi->contrast,
fbi->regbase + WMT_GOVR_CONTRAST);
return 0;
}
static ssize_t contrast_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct fb_info *info = dev_get_drvdata(dev);
struct wm8505fb_info *fbi = to_wm8505fb_info(info);
return sprintf(buf, "%d\n", fbi->contrast);
}
static ssize_t contrast_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct fb_info *info = dev_get_drvdata(dev);
struct wm8505fb_info *fbi = to_wm8505fb_info(info);
unsigned long tmp;
if (strict_strtoul(buf, 10, &tmp) || (tmp > 0xff))
return -EINVAL;
fbi->contrast = tmp;
wm8505fb_set_par(info);
return count;
}
static DEVICE_ATTR(contrast, 0644, contrast_show, contrast_store);
static inline u_int chan_to_field(u_int chan, struct fb_bitfield *bf)
{
chan &= 0xffff;
chan >>= 16 - bf->length;
return chan << bf->offset;
}
static int wm8505fb_setcolreg(unsigned regno, unsigned red, unsigned green,
unsigned blue, unsigned transp,
struct fb_info *info) {
struct wm8505fb_info *fbi = to_wm8505fb_info(info);
int ret = 1;
unsigned int val;
if (regno >= 256)
return -EINVAL;
if (info->var.grayscale)
red = green = blue =
(19595 * red + 38470 * green + 7471 * blue) >> 16;
switch (fbi->fb.fix.visual) {
case FB_VISUAL_TRUECOLOR:
if (regno < 16) {
u32 *pal = info->pseudo_palette;
val = chan_to_field(red, &fbi->fb.var.red);
val |= chan_to_field(green, &fbi->fb.var.green);
val |= chan_to_field(blue, &fbi->fb.var.blue);
pal[regno] = val;
ret = 0;
}
break;
}
return ret;
}
static int wm8505fb_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info)
{
struct wm8505fb_info *fbi = to_wm8505fb_info(info);
writel(var->xoffset, fbi->regbase + WMT_GOVR_XPAN);
writel(var->yoffset, fbi->regbase + WMT_GOVR_YPAN);
return 0;
}
static int wm8505fb_blank(int blank, struct fb_info *info)
{
struct wm8505fb_info *fbi = to_wm8505fb_info(info);
switch (blank) {
case FB_BLANK_UNBLANK:
wm8505fb_set_timing(info);
break;
default:
writel(0, fbi->regbase + WMT_GOVR_TIMING_V_SYNC);
break;
}
return 0;
}
static struct fb_ops wm8505fb_ops = {
.owner = THIS_MODULE,
.fb_set_par = wm8505fb_set_par,
.fb_setcolreg = wm8505fb_setcolreg,
.fb_fillrect = wmt_ge_fillrect,
.fb_copyarea = wmt_ge_copyarea,
.fb_imageblit = sys_imageblit,
.fb_sync = wmt_ge_sync,
.fb_pan_display = wm8505fb_pan_display,
.fb_blank = wm8505fb_blank,
};
static int __devinit wm8505fb_probe(struct platform_device *pdev)
{
struct wm8505fb_info *fbi;
struct resource *res;
void *addr;
struct vt8500fb_platform_data *pdata;
int ret;
pdata = pdev->dev.platform_data;
ret = -ENOMEM;
fbi = NULL;
fbi = kzalloc(sizeof(struct wm8505fb_info) + sizeof(u32) * 16,
GFP_KERNEL);
if (!fbi) {
dev_err(&pdev->dev, "Failed to initialize framebuffer device\n");
ret = -ENOMEM;
goto failed;
}
strcpy(fbi->fb.fix.id, DRIVER_NAME);
fbi->fb.fix.type = FB_TYPE_PACKED_PIXELS;
fbi->fb.fix.xpanstep = 1;
fbi->fb.fix.ypanstep = 1;
fbi->fb.fix.ywrapstep = 0;
fbi->fb.fix.accel = FB_ACCEL_NONE;
fbi->fb.fbops = &wm8505fb_ops;
fbi->fb.flags = FBINFO_DEFAULT
| FBINFO_HWACCEL_COPYAREA
| FBINFO_HWACCEL_FILLRECT
| FBINFO_HWACCEL_XPAN
| FBINFO_HWACCEL_YPAN
| FBINFO_VIRTFB
| FBINFO_PARTIAL_PAN_OK;
fbi->fb.node = -1;
addr = fbi;
addr = addr + sizeof(struct wm8505fb_info);
fbi->fb.pseudo_palette = addr;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
dev_err(&pdev->dev, "no I/O memory resource defined\n");
ret = -ENODEV;
goto failed_fbi;
}
res = request_mem_region(res->start, resource_size(res), DRIVER_NAME);
if (res == NULL) {
dev_err(&pdev->dev, "failed to request I/O memory\n");
ret = -EBUSY;
goto failed_fbi;
}
fbi->regbase = ioremap(res->start, resource_size(res));
if (fbi->regbase == NULL) {
dev_err(&pdev->dev, "failed to map I/O memory\n");
ret = -EBUSY;
goto failed_free_res;
}
fb_videomode_to_var(&fbi->fb.var, &pdata->mode);
fbi->fb.var.nonstd = 0;
fbi->fb.var.activate = FB_ACTIVATE_NOW;
fbi->fb.var.height = -1;
fbi->fb.var.width = -1;
fbi->fb.var.xres_virtual = pdata->xres_virtual;
fbi->fb.var.yres_virtual = pdata->yres_virtual;
fbi->fb.var.bits_per_pixel = pdata->bpp;
fbi->fb.fix.smem_start = pdata->video_mem_phys;
fbi->fb.fix.smem_len = pdata->video_mem_len;
fbi->fb.screen_base = pdata->video_mem_virt;
fbi->fb.screen_size = pdata->video_mem_len;
if (fb_alloc_cmap(&fbi->fb.cmap, 256, 0) < 0) {
dev_err(&pdev->dev, "Failed to allocate color map\n");
ret = -ENOMEM;
goto failed_free_io;
}
wm8505fb_init_hw(&fbi->fb);
fbi->contrast = 0x80;
ret = wm8505fb_set_par(&fbi->fb);
if (ret) {
dev_err(&pdev->dev, "Failed to set parameters\n");
goto failed_free_cmap;
}
platform_set_drvdata(pdev, fbi);
ret = register_framebuffer(&fbi->fb);
if (ret < 0) {
dev_err(&pdev->dev,
"Failed to register framebuffer device: %d\n", ret);
goto failed_free_cmap;
}
ret = device_create_file(&pdev->dev, &dev_attr_contrast);
if (ret < 0) {
printk(KERN_WARNING "fb%d: failed to register attributes (%d)\n",
fbi->fb.node, ret);
}
printk(KERN_INFO "fb%d: %s frame buffer at 0x%lx-0x%lx\n",
fbi->fb.node, fbi->fb.fix.id, fbi->fb.fix.smem_start,
fbi->fb.fix.smem_start + fbi->fb.fix.smem_len - 1);
return 0;
failed_free_cmap:
if (fbi->fb.cmap.len)
fb_dealloc_cmap(&fbi->fb.cmap);
failed_free_io:
iounmap(fbi->regbase);
failed_free_res:
release_mem_region(res->start, resource_size(res));
failed_fbi:
platform_set_drvdata(pdev, NULL);
kfree(fbi);
failed:
return ret;
}
static int __devexit wm8505fb_remove(struct platform_device *pdev)
{
struct wm8505fb_info *fbi = platform_get_drvdata(pdev);
struct resource *res;
device_remove_file(&pdev->dev, &dev_attr_contrast);
unregister_framebuffer(&fbi->fb);
writel(0, fbi->regbase);
if (fbi->fb.cmap.len)
fb_dealloc_cmap(&fbi->fb.cmap);
iounmap(fbi->regbase);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
release_mem_region(res->start, resource_size(res));
kfree(fbi);
return 0;
}
static struct platform_driver wm8505fb_driver = {
.probe = wm8505fb_probe,
.remove = __devexit_p(wm8505fb_remove),
.driver = {
.owner = THIS_MODULE,
.name = DRIVER_NAME,
},
};
static int __init wm8505fb_init(void)
{
return platform_driver_register(&wm8505fb_driver);
}
static void __exit wm8505fb_exit(void)
{
platform_driver_unregister(&wm8505fb_driver);
}
module_init(wm8505fb_init);
module_exit(wm8505fb_exit);
MODULE_AUTHOR("Ed Spiridonov <edo.rus@gmail.com>");
MODULE_DESCRIPTION("Framebuffer driver for WMT WM8505");
MODULE_LICENSE("GPL");

76
drivers/video/wm8505fb_regs.h Normal file
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/*
* GOVR registers list for WM8505 chips
*
* Copyright (C) 2010 Ed Spiridonov <edo.rus@gmail.com>
* Based on VIA/WonderMedia wm8510-govrh-reg.h
* http://github.com/projectgus/kernel_wm8505/blob/wm8505_2.6.29/
* drivers/video/wmt/register/wm8510/wm8510-govrh-reg.h
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _WM8505FB_REGS_H
#define _WM8505FB_REGS_H
/*
* Color space select register, default value 0x1c
* BIT0 GOVRH_DVO_YUV2RGB_ENABLE
* BIT1 GOVRH_VGA_YUV2RGB_ENABLE
* BIT2 GOVRH_RGB_MODE
* BIT3 GOVRH_DAC_CLKINV
* BIT4 GOVRH_BLANK_ZERO
*/
#define WMT_GOVR_COLORSPACE 0x1e4
/*
* Another colorspace select register, default value 1
* BIT0 GOVRH_DVO_RGB
* BIT1 GOVRH_DVO_YUV422
*/
#define WMT_GOVR_COLORSPACE1 0x30
#define WMT_GOVR_CONTRAST 0x1b8
#define WMT_GOVR_BRGHTNESS 0x1bc /* incompatible with RGB? */
/* Framubeffer address */
#define WMT_GOVR_FBADDR 0x90
#define WMT_GOVR_FBADDR1 0x94 /* UV offset in YUV mode */
/* Offset of visible window */
#define WMT_GOVR_XPAN 0xa4
#define WMT_GOVR_YPAN 0xa0
#define WMT_GOVR_XRES 0x98
#define WMT_GOVR_XRES_VIRTUAL 0x9c
#define WMT_GOVR_MIF_ENABLE 0x80
#define WMT_GOVR_FHI 0xa8
#define WMT_GOVR_REG_UPDATE 0xe4
/*
* BIT0 GOVRH_DVO_OUTWIDTH
* BIT1 GOVRH_DVO_SYNC_POLAR
* BIT2 GOVRH_DVO_ENABLE
*/
#define WMT_GOVR_DVO_SET 0x148
/* Timing generator? */
#define WMT_GOVR_TG 0x100
/* Timings */
#define WMT_GOVR_TIMING_H_ALL 0x108
#define WMT_GOVR_TIMING_V_ALL 0x10c
#define WMT_GOVR_TIMING_V_START 0x110
#define WMT_GOVR_TIMING_V_END 0x114
#define WMT_GOVR_TIMING_H_START 0x118
#define WMT_GOVR_TIMING_H_END 0x11c
#define WMT_GOVR_TIMING_V_SYNC 0x128
#define WMT_GOVR_TIMING_H_SYNC 0x12c
#endif /* _WM8505FB_REGS_H */

186
drivers/video/wmt_ge_rops.c Normal file
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/*
* linux/drivers/video/wmt_ge_rops.c
*
* Accelerators for raster operations using WonderMedia Graphics Engine
*
* Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <linux/fb.h>
#include <linux/platform_device.h>
#include "fb_draw.h"
#define GE_COMMAND_OFF 0x00
#define GE_DEPTH_OFF 0x04
#define GE_HIGHCOLOR_OFF 0x08
#define GE_ROPCODE_OFF 0x14
#define GE_FIRE_OFF 0x18
#define GE_SRCBASE_OFF 0x20
#define GE_SRCDISPW_OFF 0x24
#define GE_SRCDISPH_OFF 0x28
#define GE_SRCAREAX_OFF 0x2c
#define GE_SRCAREAY_OFF 0x30
#define GE_SRCAREAW_OFF 0x34
#define GE_SRCAREAH_OFF 0x38
#define GE_DESTBASE_OFF 0x3c
#define GE_DESTDISPW_OFF 0x40
#define GE_DESTDISPH_OFF 0x44
#define GE_DESTAREAX_OFF 0x48
#define GE_DESTAREAY_OFF 0x4c
#define GE_DESTAREAW_OFF 0x50
#define GE_DESTAREAH_OFF 0x54
#define GE_PAT0C_OFF 0x88 /* Pattern 0 color */
#define GE_ENABLE_OFF 0xec
#define GE_INTEN_OFF 0xf0
#define GE_STATUS_OFF 0xf8
static void __iomem *regbase;
void wmt_ge_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
{
unsigned long fg, pat;
if (p->state != FBINFO_STATE_RUNNING)
return;
if (p->fix.visual == FB_VISUAL_TRUECOLOR ||
p->fix.visual == FB_VISUAL_DIRECTCOLOR)
fg = ((u32 *) (p->pseudo_palette))[rect->color];
else
fg = rect->color;
pat = pixel_to_pat(p->var.bits_per_pixel, fg);
if (p->fbops->fb_sync)
p->fbops->fb_sync(p);
writel(p->var.bits_per_pixel == 32 ? 3 :
(p->var.bits_per_pixel == 8 ? 0 : 1), regbase + GE_DEPTH_OFF);
writel(p->var.bits_per_pixel == 15 ? 1 : 0, regbase + GE_HIGHCOLOR_OFF);
writel(p->fix.smem_start, regbase + GE_DESTBASE_OFF);
writel(p->var.xres_virtual - 1, regbase + GE_DESTDISPW_OFF);
writel(p->var.yres_virtual - 1, regbase + GE_DESTDISPH_OFF);
writel(rect->dx, regbase + GE_DESTAREAX_OFF);
writel(rect->dy, regbase + GE_DESTAREAY_OFF);
writel(rect->width - 1, regbase + GE_DESTAREAW_OFF);
writel(rect->height - 1, regbase + GE_DESTAREAH_OFF);
writel(pat, regbase + GE_PAT0C_OFF);
writel(1, regbase + GE_COMMAND_OFF);
writel(rect->rop == ROP_XOR ? 0x5a : 0xf0, regbase + GE_ROPCODE_OFF);
writel(1, regbase + GE_FIRE_OFF);
}
EXPORT_SYMBOL_GPL(wmt_ge_fillrect);
void wmt_ge_copyarea(struct fb_info *p, const struct fb_copyarea *area)
{
if (p->state != FBINFO_STATE_RUNNING)
return;
if (p->fbops->fb_sync)
p->fbops->fb_sync(p);
writel(p->var.bits_per_pixel > 16 ? 3 :
(p->var.bits_per_pixel > 8 ? 1 : 0), regbase + GE_DEPTH_OFF);
writel(p->fix.smem_start, regbase + GE_SRCBASE_OFF);
writel(p->var.xres_virtual - 1, regbase + GE_SRCDISPW_OFF);
writel(p->var.yres_virtual - 1, regbase + GE_SRCDISPH_OFF);
writel(area->sx, regbase + GE_SRCAREAX_OFF);
writel(area->sy, regbase + GE_SRCAREAY_OFF);
writel(area->width - 1, regbase + GE_SRCAREAW_OFF);
writel(area->height - 1, regbase + GE_SRCAREAH_OFF);
writel(p->fix.smem_start, regbase + GE_DESTBASE_OFF);
writel(p->var.xres_virtual - 1, regbase + GE_DESTDISPW_OFF);
writel(p->var.yres_virtual - 1, regbase + GE_DESTDISPH_OFF);
writel(area->dx, regbase + GE_DESTAREAX_OFF);
writel(area->dy, regbase + GE_DESTAREAY_OFF);
writel(area->width - 1, regbase + GE_DESTAREAW_OFF);
writel(area->height - 1, regbase + GE_DESTAREAH_OFF);
writel(0xcc, regbase + GE_ROPCODE_OFF);
writel(1, regbase + GE_COMMAND_OFF);
writel(1, regbase + GE_FIRE_OFF);
}
EXPORT_SYMBOL_GPL(wmt_ge_copyarea);
int wmt_ge_sync(struct fb_info *p)
{
int loops = 5000000;
while ((readl(regbase + GE_STATUS_OFF) & 4) && --loops)
cpu_relax();
return loops > 0 ? 0 : -EBUSY;
}
EXPORT_SYMBOL_GPL(wmt_ge_sync);
static int __devinit wmt_ge_rops_probe(struct platform_device *pdev)
{
struct resource *res;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
dev_err(&pdev->dev, "no I/O memory resource defined\n");
return -ENODEV;
}
/* Only one ROP engine is presently supported. */
if (unlikely(regbase)) {
WARN_ON(1);
return -EBUSY;
}
regbase = ioremap(res->start, resource_size(res));
if (regbase == NULL) {
dev_err(&pdev->dev, "failed to map I/O memory\n");
return -EBUSY;
}
writel(1, regbase + GE_ENABLE_OFF);
printk(KERN_INFO "Enabled support for WMT GE raster acceleration\n");
return 0;
}
static int __devexit wmt_ge_rops_remove(struct platform_device *pdev)
{
iounmap(regbase);
return 0;
}
static struct platform_driver wmt_ge_rops_driver = {
.probe = wmt_ge_rops_probe,
.remove = __devexit_p(wmt_ge_rops_remove),
.driver = {
.owner = THIS_MODULE,
.name = "wmt_ge_rops",
},
};
static int __init wmt_ge_rops_init(void)
{
return platform_driver_register(&wmt_ge_rops_driver);
}
static void __exit wmt_ge_rops_exit(void)
{
platform_driver_unregister(&wmt_ge_rops_driver);
}
module_init(wmt_ge_rops_init);
module_exit(wmt_ge_rops_exit);
MODULE_AUTHOR("Alexey Charkov <alchark@gmail.com");
MODULE_DESCRIPTION("Accelerators for raster operations using "
"WonderMedia Graphics Engine");
MODULE_LICENSE("GPL");

5
drivers/video/wmt_ge_rops.h Normal file
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extern void wmt_ge_fillrect(struct fb_info *info,
const struct fb_fillrect *rect);
extern void wmt_ge_copyarea(struct fb_info *info,
const struct fb_copyarea *area);
extern int wmt_ge_sync(struct fb_info *info);

3
include/linux/fb.h
View File

@ -1092,6 +1092,8 @@ extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
extern const unsigned char *fb_firmware_edid(struct device *device);
extern void fb_edid_to_monspecs(unsigned char *edid,
struct fb_monspecs *specs);
extern void fb_edid_add_monspecs(unsigned char *edid,
struct fb_monspecs *specs);
extern void fb_destroy_modedb(struct fb_videomode *modedb);
extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
@ -1150,6 +1152,7 @@ struct fb_videomode {
extern const char *fb_mode_option;
extern const struct fb_videomode vesa_modes[];
extern const struct fb_videomode cea_modes[64];
struct fb_modelist {
struct list_head list;

15
include/linux/via-core.h
View File

@ -59,6 +59,21 @@ struct via_port_cfg {
u8 ioport_index;
};
/*
* Allow subdevs to register suspend/resume hooks.
*/
#ifdef CONFIG_PM
struct viafb_pm_hooks {
struct list_head list;
int (*suspend)(void *private);
int (*resume)(void *private);
void *private;
};
void viafb_pm_register(struct viafb_pm_hooks *hooks);
void viafb_pm_unregister(struct viafb_pm_hooks *hooks);
#endif /* CONFIG_PM */
/*
* This is the global viafb "device" containing stuff needed by
* all subdevs.

6
include/video/s1d13xxxfb.h
View File

@ -136,12 +136,6 @@
#define S1DREG_DELAYOFF 0xFFFE
#define S1DREG_DELAYON 0xFFFF
#define BBLT_FIFO_EMPTY 0x00
#define BBLT_FIFO_NOT_EMPTY 0x40
#define BBLT_FIFO_NOT_FULL 0x30
#define BBLT_FIFO_HALF_FULL 0x20
#define BBLT_FIFO_FULL 0x10
#define BBLT_SOLID_FILL 0x0c

6
include/video/sh_mipi_dsi.h
View File

@ -27,9 +27,15 @@ enum sh_mipi_dsi_data_fmt {
struct sh_mobile_lcdc_chan_cfg;
#define SH_MIPI_DSI_HSABM (1 << 0)
#define SH_MIPI_DSI_HSPBM (1 << 1)
struct sh_mipi_dsi_info {
enum sh_mipi_dsi_data_fmt data_format;
struct sh_mobile_lcdc_chan_cfg *lcd_chan;
unsigned long flags;
u32 clksrc;
unsigned int vsynw_offset;
};
#endif

3
include/video/sh_mobile_hdmi.h
View File

@ -13,6 +13,7 @@
struct sh_mobile_lcdc_chan_cfg;
struct device;
struct clk;
/*
* flags format
@ -33,6 +34,8 @@ struct sh_mobile_hdmi_info {
struct sh_mobile_lcdc_chan_cfg *lcd_chan;
struct device *lcd_dev;
unsigned int flags;
long (*clk_optimize_parent)(unsigned long target, unsigned long *best_freq,
unsigned long *parent_freq);
};
#endif

22
drivers/staging/udlfb/udlfb.h → include/video/udlfb.h
View File

@ -65,9 +65,6 @@ struct dlfb_data {
#define MAX_TRANSFER (PAGE_SIZE*16 - BULK_SIZE)
#define WRITES_IN_FLIGHT (4)
#define MIN_EDID_SIZE 128
#define MAX_EDID_SIZE 128
#define MAX_VENDOR_DESCRIPTOR_SIZE 256
#define GET_URB_TIMEOUT HZ
@ -95,23 +92,4 @@ struct dlfb_data {
#define DL_ALIGN_UP(x, a) ALIGN(x, a)
#define DL_ALIGN_DOWN(x, a) ALIGN(x-(a-1), a)
/* remove once this gets added to sysfs.h */
#define __ATTR_RW(attr) __ATTR(attr, 0644, attr##_show, attr##_store)
/*
* udlfb is both a usb device, and a framebuffer device.
* They may exist at the same time, but during various stages
* inactivity, teardown, or "virtual" operation, only one or the
* other will exist (one will outlive the other). So we can't
* call the dev_*() macros, because we don't have a stable dev object.
*/
#define dl_err(format, arg...) \
pr_err("udlfb: " format, ## arg)
#define dl_warn(format, arg...) \
pr_warning("udlfb: " format, ## arg)
#define dl_notice(format, arg...) \
pr_notice("udlfb: " format, ## arg)
#define dl_info(format, arg...) \
pr_info("udlfb: " format, ## arg)
#endif