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authorManuel Lauss <manuel.lauss@googlemail.com>2011-11-10 12:06:21 +0000
committerRalf Baechle <ralf@linux-mips.org>2011-12-07 22:02:07 +0000
commita9b71a8f0f42efe1a21154667ca02305c950d30a (patch)
tree0081abc97e9fda1f27f48327b033316a77b35f5a /drivers/video/au1200fb.c
parent7c4b24da07d99b5473de7cc7ba3f67d85b889bc0 (diff)
downloadlinux-a9b71a8f0f42efe1a21154667ca02305c950d30a.tar.gz
MIPS: Alchemy: move au1200fb global functions to platform data
au1200fb calls 3 functions which have to be defined in board code. Fix this ugliness with the introduction of platform_data. Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com> Cc: linux-fbdev@vger.kernel.org To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2871/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'drivers/video/au1200fb.c')
-rw-r--r--drivers/video/au1200fb.c241
1 files changed, 110 insertions, 131 deletions
diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c
index 6c4342f1d9b..04e4479d5af 100644
--- a/drivers/video/au1200fb.c
+++ b/drivers/video/au1200fb.c
@@ -44,6 +44,7 @@
#include <linux/slab.h>
#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-au1x00/au1200fb.h> /* platform_data */
#include "au1200fb.h"
#define DRIVER_NAME "au1200fb"
@@ -143,6 +144,7 @@ struct au1200_lcd_iodata_t {
/* Private, per-framebuffer management information (independent of the panel itself) */
struct au1200fb_device {
struct fb_info *fb_info; /* FB driver info record */
+ struct au1200fb_platdata *pd;
int plane;
unsigned char* fb_mem; /* FrameBuffer memory map */
@@ -201,9 +203,6 @@ struct window_settings {
#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_01
#endif
-extern int board_au1200fb_panel_init (void);
-extern int board_au1200fb_panel_shutdown (void);
-
/*
* Default window configurations
*/
@@ -334,8 +333,6 @@ struct panel_settings
uint32 mode_toyclksrc;
uint32 mode_backlight;
uint32 mode_auxpll;
- int (*device_init)(void);
- int (*device_shutdown)(void);
#define Xres min_xres
#define Yres min_yres
u32 min_xres; /* Minimum horizontal resolution */
@@ -385,8 +382,6 @@ static struct panel_settings known_lcd_panels[] =
.mode_toyclksrc = 0x00000004, /* AUXPLL directly */
.mode_backlight = 0x00000000,
.mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = NULL,
- .device_shutdown = NULL,
320, 320,
240, 240,
},
@@ -415,8 +410,6 @@ static struct panel_settings known_lcd_panels[] =
.mode_toyclksrc = 0x00000004, /* AUXPLL directly */
.mode_backlight = 0x00000000,
.mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = NULL,
- .device_shutdown = NULL,
640, 480,
640, 480,
},
@@ -445,8 +438,6 @@ static struct panel_settings known_lcd_panels[] =
.mode_toyclksrc = 0x00000004, /* AUXPLL directly */
.mode_backlight = 0x00000000,
.mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = NULL,
- .device_shutdown = NULL,
800, 800,
600, 600,
},
@@ -475,8 +466,6 @@ static struct panel_settings known_lcd_panels[] =
.mode_toyclksrc = 0x00000004, /* AUXPLL directly */
.mode_backlight = 0x00000000,
.mode_auxpll = 6, /* 72MHz AUXPLL */
- .device_init = NULL,
- .device_shutdown = NULL,
1024, 1024,
768, 768,
},
@@ -505,8 +494,6 @@ static struct panel_settings known_lcd_panels[] =
.mode_toyclksrc = 0x00000004, /* AUXPLL directly */
.mode_backlight = 0x00000000,
.mode_auxpll = 10, /* 120MHz AUXPLL */
- .device_init = NULL,
- .device_shutdown = NULL,
1280, 1280,
1024, 1024,
},
@@ -535,8 +522,6 @@ static struct panel_settings known_lcd_panels[] =
.mode_toyclksrc = 0x00000004, /* AUXPLL directly */
.mode_backlight = 0x00000000,
.mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = board_au1200fb_panel_init,
- .device_shutdown = board_au1200fb_panel_shutdown,
1024, 1024,
768, 768,
},
@@ -568,8 +553,6 @@ static struct panel_settings known_lcd_panels[] =
.mode_toyclksrc = 0x00000004, /* AUXPLL directly */
.mode_backlight = 0x00000000,
.mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = board_au1200fb_panel_init,
- .device_shutdown = board_au1200fb_panel_shutdown,
640, 480,
640, 480,
},
@@ -601,8 +584,6 @@ static struct panel_settings known_lcd_panels[] =
.mode_toyclksrc = 0x00000004, /* AUXPLL directly */
.mode_backlight = 0x00000000,
.mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = board_au1200fb_panel_init,
- .device_shutdown = board_au1200fb_panel_shutdown,
320, 320,
240, 240,
},
@@ -634,8 +615,6 @@ static struct panel_settings known_lcd_panels[] =
.mode_toyclksrc = 0x00000004, /* AUXPLL directly */
.mode_backlight = 0x00000000,
.mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = board_au1200fb_panel_init,
- .device_shutdown = board_au1200fb_panel_shutdown,
856, 856,
480, 480,
},
@@ -670,8 +649,6 @@ static struct panel_settings known_lcd_panels[] =
.mode_toyclksrc = 0x00000004, /* AUXPLL directly */
.mode_backlight = 0x00000000,
.mode_auxpll = (48/12) * 2,
- .device_init = board_au1200fb_panel_init,
- .device_shutdown = board_au1200fb_panel_shutdown,
800, 800,
480, 480,
},
@@ -800,7 +777,8 @@ static int au1200_setlocation (struct au1200fb_device *fbdev, int plane,
return 0;
}
-static void au1200_setpanel (struct panel_settings *newpanel)
+static void au1200_setpanel(struct panel_settings *newpanel,
+ struct au1200fb_platdata *pd)
{
/*
* Perform global setup/init of LCD controller
@@ -834,8 +812,8 @@ static void au1200_setpanel (struct panel_settings *newpanel)
the controller, the clock cannot be turned off before first
shutting down the controller.
*/
- if (panel->device_shutdown != NULL)
- panel->device_shutdown();
+ if (pd->panel_shutdown)
+ pd->panel_shutdown();
}
/* Newpanel == NULL indicates a shutdown operation only */
@@ -888,7 +866,8 @@ static void au1200_setpanel (struct panel_settings *newpanel)
au_sync();
/* Call init of panel */
- if (panel->device_init != NULL) panel->device_init();
+ if (pd->panel_init)
+ pd->panel_init();
/* FIX!!!! not appropriate on panel change!!! Global setup/init */
lcd->intenable = 0;
@@ -1221,6 +1200,8 @@ static int au1200fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green,
*/
static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi)
{
+ struct au1200fb_device *fbdev = fbi->par;
+
/* Short-circuit screen blanking */
if (noblanking)
return 0;
@@ -1230,13 +1211,13 @@ static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi)
case FB_BLANK_UNBLANK:
case FB_BLANK_NORMAL:
/* printk("turn on panel\n"); */
- au1200_setpanel(panel);
+ au1200_setpanel(panel, fbdev->pd);
break;
case FB_BLANK_VSYNC_SUSPEND:
case FB_BLANK_HSYNC_SUSPEND:
case FB_BLANK_POWERDOWN:
/* printk("turn off panel\n"); */
- au1200_setpanel(NULL);
+ au1200_setpanel(NULL, fbdev->pd);
break;
default:
break;
@@ -1464,6 +1445,7 @@ static void get_window(unsigned int plane,
static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd,
unsigned long arg)
{
+ struct au1200fb_device *fbdev = info->par;
int plane;
int val;
@@ -1508,7 +1490,7 @@ static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd,
struct panel_settings *newpanel;
panel_index = iodata.global.panel_choice;
newpanel = &known_lcd_panels[panel_index];
- au1200_setpanel(newpanel);
+ au1200_setpanel(newpanel, fbdev->pd);
}
break;
@@ -1624,22 +1606,102 @@ static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev)
/*-------------------------------------------------------------------------*/
-/* AU1200 LCD controller device driver */
+static int au1200fb_setup(struct au1200fb_platdata *pd)
+{
+ char *options = NULL;
+ char *this_opt, *endptr;
+ int num_panels = ARRAY_SIZE(known_lcd_panels);
+ int panel_idx = -1;
+
+ fb_get_options(DRIVER_NAME, &options);
+
+ if (!options)
+ goto out;
+
+ while ((this_opt = strsep(&options, ",")) != NULL) {
+ /* Panel option - can be panel name,
+ * "bs" for board-switch, or number/index */
+ if (!strncmp(this_opt, "panel:", 6)) {
+ int i;
+ long int li;
+ char *endptr;
+ this_opt += 6;
+ /* First check for index, which allows
+ * to short circuit this mess */
+ li = simple_strtol(this_opt, &endptr, 0);
+ if (*endptr == '\0')
+ panel_idx = (int)li;
+ else if (strcmp(this_opt, "bs") == 0)
+ panel_idx = pd->panel_index();
+ else {
+ for (i = 0; i < num_panels; i++) {
+ if (!strcmp(this_opt,
+ known_lcd_panels[i].name)) {
+ panel_idx = i;
+ break;
+ }
+ }
+ }
+ if ((panel_idx < 0) || (panel_idx >= num_panels))
+ print_warn("Panel %s not supported!", this_opt);
+ else
+ panel_index = panel_idx;
+
+ } else if (strncmp(this_opt, "nohwcursor", 10) == 0)
+ nohwcursor = 1;
+ else if (strncmp(this_opt, "devices:", 8) == 0) {
+ this_opt += 8;
+ device_count = simple_strtol(this_opt, &endptr, 0);
+ if ((device_count < 0) ||
+ (device_count > MAX_DEVICE_COUNT))
+ device_count = MAX_DEVICE_COUNT;
+ } else if (strncmp(this_opt, "wincfg:", 7) == 0) {
+ this_opt += 7;
+ window_index = simple_strtol(this_opt, &endptr, 0);
+ if ((window_index < 0) ||
+ (window_index >= ARRAY_SIZE(windows)))
+ window_index = DEFAULT_WINDOW_INDEX;
+ } else if (strncmp(this_opt, "off", 3) == 0)
+ return 1;
+ else
+ print_warn("Unsupported option \"%s\"", this_opt);
+ }
+
+out:
+ return 0;
+}
+
+/* AU1200 LCD controller device driver */
static int __devinit au1200fb_drv_probe(struct platform_device *dev)
{
struct au1200fb_device *fbdev;
+ struct au1200fb_platdata *pd;
struct fb_info *fbi = NULL;
unsigned long page;
int bpp, plane, ret, irq;
+ print_info("" DRIVER_DESC "");
+
+ pd = dev->dev.platform_data;
+ if (!pd)
+ return -ENODEV;
+
+ /* Setup driver with options */
+ if (au1200fb_setup(pd))
+ return -ENODEV;
+
+ /* Point to the panel selected */
+ panel = &known_lcd_panels[panel_index];
+ win = &windows[window_index];
+
+ printk(DRIVER_NAME ": Panel %d %s\n", panel_index, panel->name);
+ printk(DRIVER_NAME ": Win %d %s\n", window_index, win->name);
+
/* shut gcc up */
ret = 0;
fbdev = NULL;
- /* Kickstart the panel */
- au1200_setpanel(panel);
-
for (plane = 0; plane < device_count; ++plane) {
bpp = winbpp(win->w[plane].mode_winctrl1);
if (win->w[plane].xres == 0)
@@ -1655,6 +1717,7 @@ static int __devinit au1200fb_drv_probe(struct platform_device *dev)
_au1200fb_infos[plane] = fbi;
fbdev = fbi->par;
fbdev->fb_info = fbi;
+ fbdev->pd = pd;
fbdev->plane = plane;
@@ -1716,6 +1779,11 @@ static int __devinit au1200fb_drv_probe(struct platform_device *dev)
goto failed;
}
+ platform_set_drvdata(dev, pd);
+
+ /* Kickstart the panel */
+ au1200_setpanel(panel, pd);
+
return 0;
failed:
@@ -1735,12 +1803,13 @@ failed:
static int __devexit au1200fb_drv_remove(struct platform_device *dev)
{
+ struct au1200fb_platdata *pd = platform_get_drvdata(dev);
struct au1200fb_device *fbdev;
struct fb_info *fbi;
int plane;
/* Turn off the panel */
- au1200_setpanel(NULL);
+ au1200_setpanel(NULL, pd);
for (plane = 0; plane < device_count; ++plane) {
fbi = _au1200fb_infos[plane];
@@ -1768,7 +1837,8 @@ static int __devexit au1200fb_drv_remove(struct platform_device *dev)
#ifdef CONFIG_PM
static int au1200fb_drv_suspend(struct device *dev)
{
- au1200_setpanel(NULL);
+ struct au1200fb_platdata *pd = dev_get_drvdata(dev);
+ au1200_setpanel(NULL, pd);
lcd->outmask = 0;
au_sync();
@@ -1778,11 +1848,12 @@ static int au1200fb_drv_suspend(struct device *dev)
static int au1200fb_drv_resume(struct device *dev)
{
+ struct au1200fb_platdata *pd = dev_get_drvdata(dev);
struct fb_info *fbi;
int i;
/* Kickstart the panel */
- au1200_setpanel(panel);
+ au1200_setpanel(panel, pd);
for (i = 0; i < device_count; i++) {
fbi = _au1200fb_infos[i];
@@ -1817,100 +1888,8 @@ static struct platform_driver au1200fb_driver = {
/*-------------------------------------------------------------------------*/
-/* Kernel driver */
-
-static int au1200fb_setup(void)
-{
- char *options = NULL;
- char *this_opt, *endptr;
- int num_panels = ARRAY_SIZE(known_lcd_panels);
- int panel_idx = -1;
-
- fb_get_options(DRIVER_NAME, &options);
-
- if (options) {
- while ((this_opt = strsep(&options,",")) != NULL) {
- /* Panel option - can be panel name,
- * "bs" for board-switch, or number/index */
- if (!strncmp(this_opt, "panel:", 6)) {
- int i;
- long int li;
- char *endptr;
- this_opt += 6;
- /* First check for index, which allows
- * to short circuit this mess */
- li = simple_strtol(this_opt, &endptr, 0);
- if (*endptr == '\0') {
- panel_idx = (int)li;
- }
- else if (strcmp(this_opt, "bs") == 0) {
- extern int board_au1200fb_panel(void);
- panel_idx = board_au1200fb_panel();
- }
-
- else
- for (i = 0; i < num_panels; i++) {
- if (!strcmp(this_opt, known_lcd_panels[i].name)) {
- panel_idx = i;
- break;
- }
- }
-
- if ((panel_idx < 0) || (panel_idx >= num_panels)) {
- print_warn("Panel %s not supported!", this_opt);
- }
- else
- panel_index = panel_idx;
- }
-
- else if (strncmp(this_opt, "nohwcursor", 10) == 0) {
- nohwcursor = 1;
- }
-
- else if (strncmp(this_opt, "devices:", 8) == 0) {
- this_opt += 8;
- device_count = simple_strtol(this_opt,
- &endptr, 0);
- if ((device_count < 0) ||
- (device_count > MAX_DEVICE_COUNT))
- device_count = MAX_DEVICE_COUNT;
- }
-
- else if (strncmp(this_opt, "wincfg:", 7) == 0) {
- this_opt += 7;
- window_index = simple_strtol(this_opt,
- &endptr, 0);
- if ((window_index < 0) ||
- (window_index >= ARRAY_SIZE(windows)))
- window_index = DEFAULT_WINDOW_INDEX;
- }
-
- else if (strncmp(this_opt, "off", 3) == 0)
- return 1;
- /* Unsupported option */
- else {
- print_warn("Unsupported option \"%s\"", this_opt);
- }
- }
- }
- return 0;
-}
-
static int __init au1200fb_init(void)
{
- print_info("" DRIVER_DESC "");
-
- /* Setup driver with options */
- if (au1200fb_setup())
- return -ENODEV;
-
- /* Point to the panel selected */
- panel = &known_lcd_panels[panel_index];
- win = &windows[window_index];
-
- printk(DRIVER_NAME ": Panel %d %s\n", panel_index, panel->name);
- printk(DRIVER_NAME ": Win %d %s\n", window_index, win->name);
-
return platform_driver_register(&au1200fb_driver);
}