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path: root/drivers/video/fsl-diu-fb.c
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Diffstat (limited to 'drivers/video/fsl-diu-fb.c')
-rw-r--r--drivers/video/fsl-diu-fb.c992
1 files changed, 504 insertions, 488 deletions
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index 0acc7d65aea..a16beeb5f54 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -30,37 +30,40 @@
#include <linux/clk.h>
#include <linux/uaccess.h>
#include <linux/vmalloc.h>
-
-#include <linux/of_platform.h>
+#include <linux/spinlock.h>
#include <sysdev/fsl_soc.h>
#include <linux/fsl-diu-fb.h>
#include "edid.h"
-/*
- * These parameters give default parameters
- * for video output 1024x768,
- * FIXME - change timing to proper amounts
- * hsync 31.5kHz, vsync 60Hz
- */
-static struct fb_videomode __devinitdata fsl_diu_default_mode = {
- .refresh = 60,
- .xres = 1024,
- .yres = 768,
- .pixclock = 15385,
- .left_margin = 160,
- .right_margin = 24,
- .upper_margin = 29,
- .lower_margin = 3,
- .hsync_len = 136,
- .vsync_len = 6,
- .sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
- .vmode = FB_VMODE_NONINTERLACED
+#define FSL_AOI_NUM 6 /* 5 AOIs and one dummy AOI */
+ /* 1 for plane 0, 2 for plane 1&2 each */
+
+/* HW cursor parameters */
+#define MAX_CURS 32
+
+/* INT_STATUS/INT_MASK field descriptions */
+#define INT_VSYNC 0x01 /* Vsync interrupt */
+#define INT_VSYNC_WB 0x02 /* Vsync interrupt for write back operation */
+#define INT_UNDRUN 0x04 /* Under run exception interrupt */
+#define INT_PARERR 0x08 /* Display parameters error interrupt */
+#define INT_LS_BF_VS 0x10 /* Lines before vsync. interrupt */
+
+struct diu_addr {
+ void *vaddr; /* Virtual address */
+ dma_addr_t paddr; /* Physical address */
+ __u32 offset;
};
+/*
+ * List of supported video modes
+ *
+ * The first entry is the default video mode. The remain entries are in
+ * order if increasing resolution and frequency. The 320x240-60 mode is
+ * the initial AOI for the second and third planes.
+ */
static struct fb_videomode __devinitdata fsl_diu_mode_db[] = {
{
- .name = "1024x768-60",
.refresh = 60,
.xres = 1024,
.yres = 768,
@@ -75,7 +78,132 @@ static struct fb_videomode __devinitdata fsl_diu_mode_db[] = {
.vmode = FB_VMODE_NONINTERLACED
},
{
- .name = "1024x768-70",
+ .refresh = 60,
+ .xres = 320,
+ .yres = 240,
+ .pixclock = 79440,
+ .left_margin = 16,
+ .right_margin = 16,
+ .upper_margin = 16,
+ .lower_margin = 5,
+ .hsync_len = 48,
+ .vsync_len = 1,
+ .sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ {
+ .refresh = 60,
+ .xres = 640,
+ .yres = 480,
+ .pixclock = 39722,
+ .left_margin = 48,
+ .right_margin = 16,
+ .upper_margin = 33,
+ .lower_margin = 10,
+ .hsync_len = 96,
+ .vsync_len = 2,
+ .sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ {
+ .refresh = 72,
+ .xres = 640,
+ .yres = 480,
+ .pixclock = 32052,
+ .left_margin = 128,
+ .right_margin = 24,
+ .upper_margin = 28,
+ .lower_margin = 9,
+ .hsync_len = 40,
+ .vsync_len = 3,
+ .sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ {
+ .refresh = 75,
+ .xres = 640,
+ .yres = 480,
+ .pixclock = 31747,
+ .left_margin = 120,
+ .right_margin = 16,
+ .upper_margin = 16,
+ .lower_margin = 1,
+ .hsync_len = 64,
+ .vsync_len = 3,
+ .sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ {
+ .refresh = 90,
+ .xres = 640,
+ .yres = 480,
+ .pixclock = 25057,
+ .left_margin = 120,
+ .right_margin = 32,
+ .upper_margin = 14,
+ .lower_margin = 25,
+ .hsync_len = 40,
+ .vsync_len = 14,
+ .sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ {
+ .refresh = 100,
+ .xres = 640,
+ .yres = 480,
+ .pixclock = 22272,
+ .left_margin = 48,
+ .right_margin = 32,
+ .upper_margin = 17,
+ .lower_margin = 22,
+ .hsync_len = 128,
+ .vsync_len = 12,
+ .sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ {
+ .refresh = 60,
+ .xres = 800,
+ .yres = 480,
+ .pixclock = 33805,
+ .left_margin = 96,
+ .right_margin = 24,
+ .upper_margin = 10,
+ .lower_margin = 3,
+ .hsync_len = 72,
+ .vsync_len = 7,
+ .sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ {
+ .refresh = 60,
+ .xres = 800,
+ .yres = 600,
+ .pixclock = 25000,
+ .left_margin = 88,
+ .right_margin = 40,
+ .upper_margin = 23,
+ .lower_margin = 1,
+ .hsync_len = 128,
+ .vsync_len = 4,
+ .sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ {
+ .refresh = 60,
+ .xres = 854,
+ .yres = 480,
+ .pixclock = 31518,
+ .left_margin = 104,
+ .right_margin = 16,
+ .upper_margin = 13,
+ .lower_margin = 1,
+ .hsync_len = 88,
+ .vsync_len = 3,
+ .sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ {
.refresh = 70,
.xres = 1024,
.yres = 768,
@@ -90,7 +218,6 @@ static struct fb_videomode __devinitdata fsl_diu_mode_db[] = {
.vmode = FB_VMODE_NONINTERLACED
},
{
- .name = "1024x768-75",
.refresh = 75,
.xres = 1024,
.yres = 768,
@@ -105,7 +232,34 @@ static struct fb_videomode __devinitdata fsl_diu_mode_db[] = {
.vmode = FB_VMODE_NONINTERLACED
},
{
- .name = "1280x1024-60",
+ .refresh = 60,
+ .xres = 1280,
+ .yres = 480,
+ .pixclock = 18939,
+ .left_margin = 353,
+ .right_margin = 47,
+ .upper_margin = 39,
+ .lower_margin = 4,
+ .hsync_len = 8,
+ .vsync_len = 2,
+ .sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ {
+ .refresh = 60,
+ .xres = 1280,
+ .yres = 720,
+ .pixclock = 13426,
+ .left_margin = 192,
+ .right_margin = 64,
+ .upper_margin = 22,
+ .lower_margin = 1,
+ .hsync_len = 136,
+ .vsync_len = 3,
+ .sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ {
.refresh = 60,
.xres = 1280,
.yres = 1024,
@@ -120,7 +274,6 @@ static struct fb_videomode __devinitdata fsl_diu_mode_db[] = {
.vmode = FB_VMODE_NONINTERLACED
},
{
- .name = "1280x1024-70",
.refresh = 70,
.xres = 1280,
.yres = 1024,
@@ -135,7 +288,6 @@ static struct fb_videomode __devinitdata fsl_diu_mode_db[] = {
.vmode = FB_VMODE_NONINTERLACED
},
{
- .name = "1280x1024-75",
.refresh = 75,
.xres = 1280,
.yres = 1024,
@@ -150,40 +302,25 @@ static struct fb_videomode __devinitdata fsl_diu_mode_db[] = {
.vmode = FB_VMODE_NONINTERLACED
},
{
- .name = "320x240", /* for AOI only */
.refresh = 60,
- .xres = 320,
- .yres = 240,
- .pixclock = 15385,
- .left_margin = 0,
- .right_margin = 0,
- .upper_margin = 0,
- .lower_margin = 0,
- .hsync_len = 0,
- .vsync_len = 0,
- .sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
- .vmode = FB_VMODE_NONINTERLACED
- },
- {
- .name = "1280x480-60",
- .refresh = 60,
- .xres = 1280,
- .yres = 480,
- .pixclock = 18939,
- .left_margin = 353,
- .right_margin = 47,
- .upper_margin = 39,
- .lower_margin = 4,
- .hsync_len = 8,
- .vsync_len = 2,
+ .xres = 1920,
+ .yres = 1080,
+ .pixclock = 5787,
+ .left_margin = 328,
+ .right_margin = 120,
+ .upper_margin = 34,
+ .lower_margin = 1,
+ .hsync_len = 208,
+ .vsync_len = 3,
.sync = FB_SYNC_COMP_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
.vmode = FB_VMODE_NONINTERLACED
},
};
-static char *fb_mode = "1024x768-32@60";
+static char *fb_mode;
static unsigned long default_bpp = 32;
-static int monitor_port;
+static enum fsl_diu_monitor_port monitor_port;
+static char *monitor_string;
#if defined(CONFIG_NOT_COHERENT_CACHE)
static u8 *coherence_data;
@@ -201,15 +338,27 @@ struct fsl_diu_data {
void *dummy_aoi_virt;
unsigned int irq;
int fb_enabled;
- int monitor_port;
+ enum fsl_diu_monitor_port monitor_port;
+ struct diu __iomem *diu_reg;
+ spinlock_t reg_lock;
+ struct diu_addr ad;
+ struct diu_addr gamma;
+ struct diu_addr pallete;
+ struct diu_addr cursor;
+};
+
+enum mfb_index {
+ PLANE0 = 0, /* Plane 0, only one AOI that fills the screen */
+ PLANE1_AOI0, /* Plane 1, first AOI */
+ PLANE1_AOI1, /* Plane 1, second AOI */
+ PLANE2_AOI0, /* Plane 2, first AOI */
+ PLANE2_AOI1, /* Plane 2, second AOI */
};
struct mfb_info {
- int index;
- int type;
+ enum mfb_index index;
char *id;
int registered;
- int blank;
unsigned long pseudo_palette[16];
struct diu_ad *ad;
int cursor_reset;
@@ -223,63 +372,82 @@ struct mfb_info {
static struct mfb_info mfb_template[] = {
- { /* AOI 0 for plane 0 */
- .index = 0,
- .type = MFB_TYPE_OUTPUT,
- .id = "Panel0",
- .registered = 0,
- .count = 0,
- .x_aoi_d = 0,
- .y_aoi_d = 0,
+ {
+ .index = PLANE0,
+ .id = "Panel0",
+ .registered = 0,
+ .count = 0,
+ .x_aoi_d = 0,
+ .y_aoi_d = 0,
},
- { /* AOI 0 for plane 1 */
- .index = 1,
- .type = MFB_TYPE_OUTPUT,
- .id = "Panel1 AOI0",
- .registered = 0,
- .g_alpha = 0xff,
- .count = 0,
- .x_aoi_d = 0,
- .y_aoi_d = 0,
+ {
+ .index = PLANE1_AOI0,
+ .id = "Panel1 AOI0",
+ .registered = 0,
+ .g_alpha = 0xff,
+ .count = 0,
+ .x_aoi_d = 0,
+ .y_aoi_d = 0,
},
- { /* AOI 1 for plane 1 */
- .index = 2,
- .type = MFB_TYPE_OUTPUT,
- .id = "Panel1 AOI1",
- .registered = 0,
- .g_alpha = 0xff,
- .count = 0,
- .x_aoi_d = 0,
- .y_aoi_d = 480,
+ {
+ .index = PLANE1_AOI1,
+ .id = "Panel1 AOI1",
+ .registered = 0,
+ .g_alpha = 0xff,
+ .count = 0,
+ .x_aoi_d = 0,
+ .y_aoi_d = 480,
},
- { /* AOI 0 for plane 2 */
- .index = 3,
- .type = MFB_TYPE_OUTPUT,
- .id = "Panel2 AOI0",
- .registered = 0,
- .g_alpha = 0xff,
- .count = 0,
- .x_aoi_d = 640,
- .y_aoi_d = 0,
+ {
+ .index = PLANE2_AOI0,
+ .id = "Panel2 AOI0",
+ .registered = 0,
+ .g_alpha = 0xff,
+ .count = 0,
+ .x_aoi_d = 640,
+ .y_aoi_d = 0,
},
- { /* AOI 1 for plane 2 */
- .index = 4,
- .type = MFB_TYPE_OUTPUT,
- .id = "Panel2 AOI1",
- .registered = 0,
- .g_alpha = 0xff,
- .count = 0,
- .x_aoi_d = 640,
- .y_aoi_d = 480,
+ {
+ .index = PLANE2_AOI1,
+ .id = "Panel2 AOI1",
+ .registered = 0,
+ .g_alpha = 0xff,
+ .count = 0,
+ .x_aoi_d = 640,
+ .y_aoi_d = 480,
},
};
-static struct diu_hw dr = {
- .mode = MFB_MODE1,
- .reg_lock = __SPIN_LOCK_UNLOCKED(diu_hw.reg_lock),
-};
+/**
+ * fsl_diu_name_to_port - convert a port name to a monitor port enum
+ *
+ * Takes the name of a monitor port ("dvi", "lvds", or "dlvds") and returns
+ * the enum fsl_diu_monitor_port that corresponds to that string.
+ *
+ * For compatibility with older versions, a number ("0", "1", or "2") is also
+ * supported.
+ *
+ * If the string is unknown, DVI is assumed.
+ *
+ * If the particular port is not supported by the platform, another port
+ * (platform-specific) is chosen instead.
+ */
+static enum fsl_diu_monitor_port fsl_diu_name_to_port(const char *s)
+{
+ enum fsl_diu_monitor_port port = FSL_DIU_PORT_DVI;
+ unsigned long val;
-static struct diu_pool pool;
+ if (s) {
+ if (!strict_strtoul(s, 10, &val) && (val <= 2))
+ port = (enum fsl_diu_monitor_port) val;
+ else if (strncmp(s, "lvds", 4) == 0)
+ port = FSL_DIU_PORT_LVDS;
+ else if (strncmp(s, "dlvds", 5) == 0)
+ port = FSL_DIU_PORT_DLVDS;
+ }
+
+ return diu_ops.valid_monitor_port(port);
+}
/**
* fsl_diu_alloc - allocate memory for the DIU
@@ -292,14 +460,9 @@ static void *fsl_diu_alloc(size_t size, phys_addr_t *phys)
{
void *virt;
- pr_debug("size=%zu\n", size);
-
virt = alloc_pages_exact(size, GFP_DMA | __GFP_ZERO);
- if (virt) {
+ if (virt)
*phys = virt_to_phys(virt);
- pr_debug("virt=%p phys=%llx\n", virt,
- (unsigned long long)*phys);
- }
return virt;
}
@@ -313,8 +476,6 @@ static void *fsl_diu_alloc(size_t size, phys_addr_t *phys)
*/
static void fsl_diu_free(void *virt, size_t size)
{
- pr_debug("virt=%p size=%zu\n", virt, size);
-
if (virt && size)
free_pages_exact(virt, size);
}
@@ -330,82 +491,72 @@ void wr_reg_wa(u32 *reg, u32 val)
} while (in_be32(reg) != val);
}
-static int fsl_diu_enable_panel(struct fb_info *info)
+static void fsl_diu_enable_panel(struct fb_info *info)
{
struct mfb_info *pmfbi, *cmfbi, *mfbi = info->par;
- struct diu *hw = dr.diu_reg;
struct diu_ad *ad = mfbi->ad;
struct fsl_diu_data *machine_data = mfbi->parent;
- int res = 0;
+ struct diu __iomem *hw = machine_data->diu_reg;
- pr_debug("enable_panel index %d\n", mfbi->index);
- if (mfbi->type != MFB_TYPE_OFF) {
- switch (mfbi->index) {
- case 0: /* plane 0 */
- if (hw->desc[0] != ad->paddr)
- wr_reg_wa(&hw->desc[0], ad->paddr);
- break;
- case 1: /* plane 1 AOI 0 */
- cmfbi = machine_data->fsl_diu_info[2]->par;
- if (hw->desc[1] != ad->paddr) { /* AOI0 closed */
- if (cmfbi->count > 0) /* AOI1 open */
- ad->next_ad =
- cpu_to_le32(cmfbi->ad->paddr);
- else
- ad->next_ad = 0;
- wr_reg_wa(&hw->desc[1], ad->paddr);
- }
- break;
- case 3: /* plane 2 AOI 0 */
- cmfbi = machine_data->fsl_diu_info[4]->par;
- if (hw->desc[2] != ad->paddr) { /* AOI0 closed */
- if (cmfbi->count > 0) /* AOI1 open */
- ad->next_ad =
- cpu_to_le32(cmfbi->ad->paddr);
- else
- ad->next_ad = 0;
- wr_reg_wa(&hw->desc[2], ad->paddr);
- }
- break;
- case 2: /* plane 1 AOI 1 */
- pmfbi = machine_data->fsl_diu_info[1]->par;
- ad->next_ad = 0;
- if (hw->desc[1] == machine_data->dummy_ad->paddr)
- wr_reg_wa(&hw->desc[1], ad->paddr);
- else /* AOI0 open */
- pmfbi->ad->next_ad = cpu_to_le32(ad->paddr);
- break;
- case 4: /* plane 2 AOI 1 */
- pmfbi = machine_data->fsl_diu_info[3]->par;
- ad->next_ad = 0;
- if (hw->desc[2] == machine_data->dummy_ad->paddr)
- wr_reg_wa(&hw->desc[2], ad->paddr);
- else /* AOI0 was open */
- pmfbi->ad->next_ad = cpu_to_le32(ad->paddr);
- break;
- default:
- res = -EINVAL;
- break;
+ switch (mfbi->index) {
+ case PLANE0:
+ if (hw->desc[0] != ad->paddr)
+ wr_reg_wa(&hw->desc[0], ad->paddr);
+ break;
+ case PLANE1_AOI0:
+ cmfbi = machine_data->fsl_diu_info[2]->par;
+ if (hw->desc[1] != ad->paddr) { /* AOI0 closed */
+ if (cmfbi->count > 0) /* AOI1 open */
+ ad->next_ad =
+ cpu_to_le32(cmfbi->ad->paddr);
+ else
+ ad->next_ad = 0;
+ wr_reg_wa(&hw->desc[1], ad->paddr);
}
- } else
- res = -EINVAL;
- return res;
+ break;
+ case PLANE2_AOI0:
+ cmfbi = machine_data->fsl_diu_info[4]->par;
+ if (hw->desc[2] != ad->paddr) { /* AOI0 closed */
+ if (cmfbi->count > 0) /* AOI1 open */
+ ad->next_ad =
+ cpu_to_le32(cmfbi->ad->paddr);
+ else
+ ad->next_ad = 0;
+ wr_reg_wa(&hw->desc[2], ad->paddr);
+ }
+ break;
+ case PLANE1_AOI1:
+ pmfbi = machine_data->fsl_diu_info[1]->par;
+ ad->next_ad = 0;
+ if (hw->desc[1] == machine_data->dummy_ad->paddr)
+ wr_reg_wa(&hw->desc[1], ad->paddr);
+ else /* AOI0 open */
+ pmfbi->ad->next_ad = cpu_to_le32(ad->paddr);
+ break;
+ case PLANE2_AOI1:
+ pmfbi = machine_data->fsl_diu_info[3]->par;
+ ad->next_ad = 0;
+ if (hw->desc[2] == machine_data->dummy_ad->paddr)
+ wr_reg_wa(&hw->desc[2], ad->paddr);
+ else /* AOI0 was open */
+ pmfbi->ad->next_ad = cpu_to_le32(ad->paddr);
+ break;
+ }
}
-static int fsl_diu_disable_panel(struct fb_info *info)
+static void fsl_diu_disable_panel(struct fb_info *info)
{
struct mfb_info *pmfbi, *cmfbi, *mfbi = info->par;
- struct diu *hw = dr.diu_reg;
struct diu_ad *ad = mfbi->ad;
struct fsl_diu_data *machine_data = mfbi->parent;
- int res = 0;
+ struct diu __iomem *hw = machine_data->diu_reg;
switch (mfbi->index) {
- case 0: /* plane 0 */
+ case PLANE0:
if (hw->desc[0] != machine_data->dummy_ad->paddr)
wr_reg_wa(&hw->desc[0], machine_data->dummy_ad->paddr);
break;
- case 1: /* plane 1 AOI 0 */
+ case PLANE1_AOI0:
cmfbi = machine_data->fsl_diu_info[2]->par;
if (cmfbi->count > 0) /* AOI1 is open */
wr_reg_wa(&hw->desc[1], cmfbi->ad->paddr);
@@ -414,7 +565,7 @@ static int fsl_diu_disable_panel(struct fb_info *info)
wr_reg_wa(&hw->desc[1], machine_data->dummy_ad->paddr);
/* close AOI 0 */
break;
- case 3: /* plane 2 AOI 0 */
+ case PLANE2_AOI0:
cmfbi = machine_data->fsl_diu_info[4]->par;
if (cmfbi->count > 0) /* AOI1 is open */
wr_reg_wa(&hw->desc[2], cmfbi->ad->paddr);
@@ -423,7 +574,7 @@ static int fsl_diu_disable_panel(struct fb_info *info)
wr_reg_wa(&hw->desc[2], machine_data->dummy_ad->paddr);
/* close AOI 0 */
break;
- case 2: /* plane 1 AOI 1 */
+ case PLANE1_AOI1:
pmfbi = machine_data->fsl_diu_info[1]->par;
if (hw->desc[1] != ad->paddr) {
/* AOI1 is not the first in the chain */
@@ -434,7 +585,7 @@ static int fsl_diu_disable_panel(struct fb_info *info)
wr_reg_wa(&hw->desc[1], machine_data->dummy_ad->paddr);
/* close AOI 1 */
break;
- case 4: /* plane 2 AOI 1 */
+ case PLANE2_AOI1:
pmfbi = machine_data->fsl_diu_info[3]->par;
if (hw->desc[2] != ad->paddr) {
/* AOI1 is not the first in the chain */
@@ -445,31 +596,26 @@ static int fsl_diu_disable_panel(struct fb_info *info)
wr_reg_wa(&hw->desc[2], machine_data->dummy_ad->paddr);
/* close AOI 1 */
break;
- default:
- res = -EINVAL;
- break;
}
-
- return res;
}
static void enable_lcdc(struct fb_info *info)
{
- struct diu *hw = dr.diu_reg;
struct mfb_info *mfbi = info->par;
struct fsl_diu_data *machine_data = mfbi->parent;
+ struct diu __iomem *hw = machine_data->diu_reg;
if (!machine_data->fb_enabled) {
- out_be32(&hw->diu_mode, dr.mode);
+ out_be32(&hw->diu_mode, MFB_MODE1);
machine_data->fb_enabled++;
}
}
static void disable_lcdc(struct fb_info *info)
{
- struct diu *hw = dr.diu_reg;
struct mfb_info *mfbi = info->par;
struct fsl_diu_data *machine_data = mfbi->parent;
+ struct diu __iomem *hw = machine_data->diu_reg;
if (machine_data->fb_enabled) {
out_be32(&hw->diu_mode, 0);
@@ -482,7 +628,8 @@ static void adjust_aoi_size_position(struct fb_var_screeninfo *var,
{
struct mfb_info *lower_aoi_mfbi, *upper_aoi_mfbi, *mfbi = info->par;
struct fsl_diu_data *machine_data = mfbi->parent;
- int available_height, upper_aoi_bottom, index = mfbi->index;
+ int available_height, upper_aoi_bottom;
+ enum mfb_index index = mfbi->index;
int lower_aoi_is_open, upper_aoi_is_open;
__u32 base_plane_width, base_plane_height, upper_aoi_height;
@@ -494,14 +641,14 @@ static void adjust_aoi_size_position(struct fb_var_screeninfo *var,
if (mfbi->y_aoi_d < 0)
mfbi->y_aoi_d = 0;
switch (index) {
- case 0:
+ case PLANE0:
if (mfbi->x_aoi_d != 0)
mfbi->x_aoi_d = 0;
if (mfbi->y_aoi_d != 0)
mfbi->y_aoi_d = 0;
break;
- case 1: /* AOI 0 */
- case 3:
+ case PLANE1_AOI0:
+ case PLANE2_AOI0:
lower_aoi_mfbi = machine_data->fsl_diu_info[index+1]->par;
lower_aoi_is_open = lower_aoi_mfbi->count > 0 ? 1 : 0;
if (var->xres > base_plane_width)
@@ -518,8 +665,8 @@ static void adjust_aoi_size_position(struct fb_var_screeninfo *var,
if ((mfbi->y_aoi_d + var->yres) > available_height)
mfbi->y_aoi_d = available_height - var->yres;
break;
- case 2: /* AOI 1 */
- case 4:
+ case PLANE1_AOI1:
+ case PLANE2_AOI1:
upper_aoi_mfbi = machine_data->fsl_diu_info[index-1]->par;
upper_aoi_height =
machine_data->fsl_diu_info[index-1]->var.yres;
@@ -555,9 +702,6 @@ static void adjust_aoi_size_position(struct fb_var_screeninfo *var,
static int fsl_diu_check_var(struct fb_var_screeninfo *var,
struct fb_info *info)
{
- pr_debug("check_var xres: %d\n", var->xres);
- pr_debug("check_var yres: %d\n", var->yres);
-
if (var->xres_virtual < var->xres)
var->xres_virtual = var->xres;
if (var->yres_virtual < var->yres)
@@ -652,7 +796,7 @@ static void set_fix(struct fb_info *info)
struct fb_var_screeninfo *var = &info->var;
struct mfb_info *mfbi = info->par;
- strncpy(fix->id, mfbi->id, strlen(mfbi->id));
+ strncpy(fix->id, mfbi->id, sizeof(fix->id));
fix->line_length = var->xres_virtual * var->bits_per_pixel / 8;
fix->type = FB_TYPE_PACKED_PIXELS;
fix->accel = FB_ACCEL_NONE;
@@ -666,45 +810,37 @@ static void update_lcdc(struct fb_info *info)
struct fb_var_screeninfo *var = &info->var;
struct mfb_info *mfbi = info->par;
struct fsl_diu_data *machine_data = mfbi->parent;
- struct diu *hw;
+ struct diu __iomem *hw;
int i, j;
char __iomem *cursor_base, *gamma_table_base;
u32 temp;
- hw = dr.diu_reg;
-
- if (mfbi->type == MFB_TYPE_OFF) {
- fsl_diu_disable_panel(info);
- return;
- }
+ hw = machine_data->diu_reg;
diu_ops.set_monitor_port(machine_data->monitor_port);
- gamma_table_base = pool.gamma.vaddr;
- cursor_base = pool.cursor.vaddr;
+ gamma_table_base = machine_data->gamma.vaddr;
+ cursor_base = machine_data->cursor.vaddr;
/* Prep for DIU init - gamma table, cursor table */
for (i = 0; i <= 2; i++)
- for (j = 0; j <= 255; j++)
- *gamma_table_base++ = j;
+ for (j = 0; j <= 255; j++)
+ *gamma_table_base++ = j;
- diu_ops.set_gamma_table(machine_data->monitor_port, pool.gamma.vaddr);
+ diu_ops.set_gamma_table(machine_data->monitor_port,
+ machine_data->gamma.vaddr);
- pr_debug("update-lcdc: HW - %p\n Disabling DIU\n", hw);
disable_lcdc(info);
/* Program DIU registers */
- out_be32(&hw->gamma, pool.gamma.paddr);
- out_be32(&hw->cursor, pool.cursor.paddr);
+ out_be32(&hw->gamma, machine_data->gamma.paddr);
+ out_be32(&hw->cursor, machine_data->cursor.paddr);
out_be32(&hw->bgnd, 0x007F7F7F); /* BGND */
out_be32(&hw->bgnd_wb, 0); /* BGND_WB */
out_be32(&hw->disp_size, (var->yres << 16 | var->xres));
/* DISP SIZE */
- pr_debug("DIU xres: %d\n", var->xres);
- pr_debug("DIU yres: %d\n", var->yres);
-
out_be32(&hw->wb_size, 0); /* WB SIZE */
out_be32(&hw->wb_mem_addr, 0); /* WB MEM ADDR */
@@ -721,15 +857,6 @@ static void update_lcdc(struct fb_info *info)
out_be32(&hw->vsyn_para, temp);
- pr_debug("DIU right_margin - %d\n", var->right_margin);
- pr_debug("DIU left_margin - %d\n", var->left_margin);
- pr_debug("DIU hsync_len - %d\n", var->hsync_len);
- pr_debug("DIU upper_margin - %d\n", var->upper_margin);
- pr_debug("DIU lower_margin - %d\n", var->lower_margin);
- pr_debug("DIU vsync_len - %d\n", var->vsync_len);
- pr_debug("DIU HSYNC - 0x%08x\n", hw->hsyn_para);
- pr_debug("DIU VSYNC - 0x%08x\n", hw->vsyn_para);
-
diu_ops.set_pixel_clock(var->pixclock);
out_be32(&hw->syn_pol, 0); /* SYNC SIGNALS POLARITY */
@@ -746,14 +873,9 @@ static int map_video_memory(struct fb_info *info)
phys_addr_t phys;
u32 smem_len = info->fix.line_length * info->var.yres_virtual;
- pr_debug("info->var.xres_virtual = %d\n", info->var.xres_virtual);
- pr_debug("info->var.yres_virtual = %d\n", info->var.yres_virtual);
- pr_debug("info->fix.line_length = %d\n", info->fix.line_length);
- pr_debug("MAP_VIDEO_MEMORY: smem_len = %u\n", smem_len);
-
info->screen_base = fsl_diu_alloc(smem_len, &phys);
if (info->screen_base == NULL) {
- printk(KERN_ERR "Unable to allocate fb memory\n");
+ dev_err(info->dev, "unable to allocate fb memory\n");
return -ENOMEM;
}
mutex_lock(&info->mm_lock);
@@ -762,10 +884,6 @@ static int map_video_memory(struct fb_info *info)
mutex_unlock(&info->mm_lock);
info->screen_size = info->fix.smem_len;
- pr_debug("Allocated fb @ paddr=0x%08lx, size=%d.\n",
- info->fix.smem_start, info->fix.smem_len);
- pr_debug("screen base %p\n", info->screen_base);
-
return 0;
}
@@ -810,9 +928,9 @@ static int fsl_diu_set_par(struct fb_info *info)
struct mfb_info *mfbi = info->par;
struct fsl_diu_data *machine_data = mfbi->parent;
struct diu_ad *ad = mfbi->ad;
- struct diu *hw;
+ struct diu __iomem *hw;
- hw = dr.diu_reg;
+ hw = machine_data->diu_reg;
set_fix(info);
mfbi->cursor_reset = 1;
@@ -822,18 +940,16 @@ static int fsl_diu_set_par(struct fb_info *info)
if (len != info->fix.smem_len) {
if (info->fix.smem_start)
unmap_video_memory(info);
- pr_debug("SET PAR: smem_len = %d\n", info->fix.smem_len);
/* Memory allocation for framebuffer */
if (map_video_memory(info)) {
- printk(KERN_ERR "Unable to allocate fb memory 1\n");
+ dev_err(info->dev, "unable to allocate fb memory 1\n");
return -ENOMEM;
}
}
- ad->pix_fmt =
- diu_ops.get_pixel_format(var->bits_per_pixel,
- machine_data->monitor_port);
+ ad->pix_fmt = diu_ops.get_pixel_format(machine_data->monitor_port,
+ var->bits_per_pixel);
ad->addr = cpu_to_le32(info->fix.smem_start);
ad->src_size_g_alpha = cpu_to_le32((var->yres_virtual << 12) |
var->xres_virtual) | mfbi->g_alpha;
@@ -851,14 +967,14 @@ static int fsl_diu_set_par(struct fb_info *info)
ad->ckmin_g = 255;
ad->ckmin_b = 255;
- if (mfbi->index == 0)
+ if (mfbi->index == PLANE0)
update_lcdc(info);
return 0;
}
static inline __u32 CNVT_TOHW(__u32 val, __u32 width)
{
- return ((val<<width) + 0x7FFF - val)>>16;
+ return ((val << width) + 0x7FFF - val) >> 16;
}
/*
@@ -870,8 +986,9 @@ static inline __u32 CNVT_TOHW(__u32 val, __u32 width)
* pseudo_palette in struct fb_info. For pseudocolor mode we have a limited
* color palette.
*/
-static int fsl_diu_setcolreg(unsigned regno, unsigned red, unsigned green,
- unsigned blue, unsigned transp, struct fb_info *info)
+static int fsl_diu_setcolreg(unsigned int regno, unsigned int red,
+ unsigned int green, unsigned int blue,
+ unsigned int transp, struct fb_info *info)
{
int ret = 1;
@@ -906,9 +1023,6 @@ static int fsl_diu_setcolreg(unsigned regno, unsigned red, unsigned green,
ret = 0;
}
break;
- case FB_VISUAL_STATIC_PSEUDOCOLOR:
- case FB_VISUAL_PSEUDOCOLOR:
- break;
}
return ret;
@@ -944,37 +1058,6 @@ static int fsl_diu_pan_display(struct fb_var_screeninfo *var,
return 0;
}
-/*
- * Blank the screen if blank_mode != 0, else unblank. Return 0 if blanking
- * succeeded, != 0 if un-/blanking failed.
- * blank_mode == 2: suspend vsync
- * blank_mode == 3: suspend hsync
- * blank_mode == 4: powerdown
- */
-static int fsl_diu_blank(int blank_mode, struct fb_info *info)
-{
- struct mfb_info *mfbi = info->par;
-
- mfbi->blank = blank_mode;
-
- switch (blank_mode) {
- case FB_BLANK_VSYNC_SUSPEND:
- case FB_BLANK_HSYNC_SUSPEND:
- /* FIXME: fixes to enable_panel and enable lcdc needed */
- case FB_BLANK_NORMAL:
- /* fsl_diu_disable_panel(info);*/
- break;
- case FB_BLANK_POWERDOWN:
- /* disable_lcdc(info); */
- break;
- case FB_BLANK_UNBLANK:
- /* fsl_diu_enable_panel(info);*/
- break;
- }
-
- return 0;
-}
-
static int fsl_diu_ioctl(struct fb_info *info, unsigned int cmd,
unsigned long arg)
{
@@ -989,25 +1072,29 @@ static int fsl_diu_ioctl(struct fb_info *info, unsigned int cmd,
if (!arg)
return -EINVAL;
switch (cmd) {
+ case MFB_SET_PIXFMT_OLD:
+ dev_warn(info->dev,
+ "MFB_SET_PIXFMT value of 0x%08x is deprecated.\n",
+ MFB_SET_PIXFMT_OLD);
case MFB_SET_PIXFMT:
if (copy_from_user(&pix_fmt, buf, sizeof(pix_fmt)))
return -EFAULT;
ad->pix_fmt = pix_fmt;
- pr_debug("Set pixel format to 0x%08x\n", ad->pix_fmt);
break;
+ case MFB_GET_PIXFMT_OLD:
+ dev_warn(info->dev,
+ "MFB_GET_PIXFMT value of 0x%08x is deprecated.\n",
+ MFB_GET_PIXFMT_OLD);
case MFB_GET_PIXFMT:
pix_fmt = ad->pix_fmt;
if (copy_to_user(buf, &pix_fmt, sizeof(pix_fmt)))
return -EFAULT;
- pr_debug("get pixel format 0x%08x\n", ad->pix_fmt);
break;
case MFB_SET_AOID:
if (copy_from_user(&aoi_d, buf, sizeof(aoi_d)))
return -EFAULT;
mfbi->x_aoi_d = aoi_d.x_aoi_d;
mfbi->y_aoi_d = aoi_d.y_aoi_d;
- pr_debug("set AOI display offset of index %d to (%d,%d)\n",
- mfbi->index, aoi_d.x_aoi_d, aoi_d.y_aoi_d);
fsl_diu_check_var(&info->var, info);
fsl_diu_set_aoi(info);
break;
@@ -1016,14 +1103,11 @@ static int fsl_diu_ioctl(struct fb_info *info, unsigned int cmd,
aoi_d.y_aoi_d = mfbi->y_aoi_d;
if (copy_to_user(buf, &aoi_d, sizeof(aoi_d)))
return -EFAULT;
- pr_debug("get AOI display offset of index %d (%d,%d)\n",
- mfbi->index, aoi_d.x_aoi_d, aoi_d.y_aoi_d);
break;
case MFB_GET_ALPHA:
global_alpha = mfbi->g_alpha;
if (copy_to_user(buf, &global_alpha, sizeof(global_alpha)))
return -EFAULT;
- pr_debug("get global alpha of index %d\n", mfbi->index);
break;
case MFB_SET_ALPHA:
/* set panel information */
@@ -1032,7 +1116,6 @@ static int fsl_diu_ioctl(struct fb_info *info, unsigned int cmd,
ad->src_size_g_alpha = (ad->src_size_g_alpha & (~0xff)) |
(global_alpha & 0xff);
mfbi->g_alpha = global_alpha;
- pr_debug("set global alpha for index %d\n", mfbi->index);
break;
case MFB_SET_CHROMA_KEY:
/* set panel winformation */
@@ -1060,27 +1143,9 @@ static int fsl_diu_ioctl(struct fb_info *info, unsigned int cmd,
ad->ckmin_g = ck.green_min;
ad->ckmin_b = ck.blue_min;
}
- pr_debug("set chroma key\n");
break;
- case FBIOGET_GWINFO:
- if (mfbi->type == MFB_TYPE_OFF)
- return -ENODEV;
- /* get graphic window information */
- if (copy_to_user(buf, ad, sizeof(*ad)))
- return -EFAULT;
- break;
- case FBIOGET_HWCINFO:
- pr_debug("FBIOGET_HWCINFO:0x%08x\n", FBIOGET_HWCINFO);
- break;
- case FBIOPUT_MODEINFO:
- pr_debug("FBIOPUT_MODEINFO:0x%08x\n", FBIOPUT_MODEINFO);
- break;
- case FBIOGET_DISPINFO:
- pr_debug("FBIOGET_DISPINFO:0x%08x\n", FBIOGET_DISPINFO);
- break;
-
default:
- printk(KERN_ERR "Unknown ioctl command (0x%08X)\n", cmd);
+ dev_err(info->dev, "unknown ioctl command (0x%08X)\n", cmd);
return -ENOIOCTLCMD;
}
@@ -1095,22 +1160,18 @@ static int fsl_diu_open(struct fb_info *info, int user)
int res = 0;
/* free boot splash memory on first /dev/fb0 open */
- if (!mfbi->index && diu_ops.release_bootmem)
+ if ((mfbi->index == PLANE0) && diu_ops.release_bootmem)
diu_ops.release_bootmem();
spin_lock(&diu_lock);
mfbi->count++;
if (mfbi->count == 1) {
- pr_debug("open plane index %d\n", mfbi->index);
fsl_diu_check_var(&info->var, info);
res = fsl_diu_set_par(info);
if (res < 0)
mfbi->count--;
- else {
- res = fsl_diu_enable_panel(info);
- if (res < 0)
- mfbi->count--;
- }
+ else
+ fsl_diu_enable_panel(info);
}
spin_unlock(&diu_lock);
@@ -1126,12 +1187,9 @@ static int fsl_diu_release(struct fb_info *info, int user)
spin_lock(&diu_lock);
mfbi->count--;
- if (mfbi->count == 0) {
- pr_debug("release plane index %d\n", mfbi->index);
- res = fsl_diu_disable_panel(info);
- if (res < 0)
- mfbi->count++;
- }
+ if (mfbi->count == 0)
+ fsl_diu_disable_panel(info);
+
spin_unlock(&diu_lock);
return res;
}
@@ -1141,7 +1199,6 @@ static struct fb_ops fsl_diu_ops = {
.fb_check_var = fsl_diu_check_var,
.fb_set_par = fsl_diu_set_par,
.fb_setcolreg = fsl_diu_setcolreg,
- .fb_blank = fsl_diu_blank,
.fb_pan_display = fsl_diu_pan_display,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
@@ -1178,7 +1235,7 @@ static int __devinit install_fb(struct fb_info *info)
if (init_fbinfo(info))
return -EINVAL;
- if (mfbi->index == 0) { /* plane 0 */
+ if (mfbi->index == PLANE0) {
if (mfbi->edid_data) {
/* Now build modedb from EDID */
fb_edid_to_monspecs(mfbi->edid_data, &info->monspecs);
@@ -1192,43 +1249,23 @@ static int __devinit install_fb(struct fb_info *info)
} else {
aoi_mode = init_aoi_mode;
}
- pr_debug("mode used = %s\n", aoi_mode);
- rc = fb_find_mode(&info->var, info, aoi_mode, db, dbsize,
- &fsl_diu_default_mode, default_bpp);
- switch (rc) {
- case 1:
- pr_debug("using mode specified in @mode\n");
- break;
- case 2:
- pr_debug("using mode specified in @mode "
- "with ignored refresh rate\n");
- break;
- case 3:
- pr_debug("using mode default mode\n");
- break;
- case 4:
- pr_debug("using mode from list\n");
- break;
- default:
- pr_debug("rc = %d\n", rc);
- pr_debug("failed to find mode\n");
+ rc = fb_find_mode(&info->var, info, aoi_mode, db, dbsize, NULL,
+ default_bpp);
+ if (!rc) {
/*
* For plane 0 we continue and look into
* driver's internal modedb.
*/
- if (mfbi->index == 0 && mfbi->edid_data)
+ if ((mfbi->index == PLANE0) && mfbi->edid_data)
has_default_mode = 0;
else
return -EINVAL;
- break;
}
if (!has_default_mode) {
rc = fb_find_mode(&info->var, info, aoi_mode, fsl_diu_mode_db,
- ARRAY_SIZE(fsl_diu_mode_db),
- &fsl_diu_default_mode,
- default_bpp);
- if (rc > 0 && rc < 5)
+ ARRAY_SIZE(fsl_diu_mode_db), NULL, default_bpp);
+ if (rc)
has_default_mode = 1;
}
@@ -1256,33 +1293,22 @@ static int __devinit install_fb(struct fb_info *info)
fb_videomode_to_var(&info->var, modedb);
}
- pr_debug("xres_virtual %d\n", info->var.xres_virtual);
- pr_debug("bits_per_pixel %d\n", info->var.bits_per_pixel);
-
- pr_debug("info->var.yres_virtual = %d\n", info->var.yres_virtual);
- pr_debug("info->fix.line_length = %d\n", info->fix.line_length);
-
- if (mfbi->type == MFB_TYPE_OFF)
- mfbi->blank = FB_BLANK_NORMAL;
- else
- mfbi->blank = FB_BLANK_UNBLANK;
-
if (fsl_diu_check_var(&info->var, info)) {
- printk(KERN_ERR "fb_check_var failed");
+ dev_err(info->dev, "fsl_diu_check_var failed\n");
+ unmap_video_memory(info);
fb_dealloc_cmap(&info->cmap);
return -EINVAL;
}
if (register_framebuffer(info) < 0) {
- printk(KERN_ERR "register_framebuffer failed");
+ dev_err(info->dev, "register_framebuffer failed\n");
unmap_video_memory(info);
fb_dealloc_cmap(&info->cmap);
return -EINVAL;
}
mfbi->registered = 1;
- printk(KERN_INFO "fb%d: %s fb device registered successfully.\n",
- info->node, info->fix.id);
+ dev_info(info->dev, "%s registered successfully\n", mfbi->id);
return 0;
}
@@ -1294,7 +1320,7 @@ static void uninstall_fb(struct fb_info *info)
if (!mfbi->registered)
return;
- if (mfbi->index == 0)
+ if (mfbi->index == PLANE0)
kfree(mfbi->edid_data);
unregister_framebuffer(info);
@@ -1307,20 +1333,20 @@ static void uninstall_fb(struct fb_info *info)
static irqreturn_t fsl_diu_isr(int irq, void *dev_id)
{
- struct diu *hw = dr.diu_reg;
+ struct diu __iomem *hw = dev_id;
unsigned int status = in_be32(&hw->int_status);
if (status) {
/* This is the workaround for underrun */
if (status & INT_UNDRUN) {
out_be32(&hw->diu_mode, 0);
- pr_debug("Err: DIU occurs underrun!\n");
udelay(1);
out_be32(&hw->diu_mode, 1);
}
#if defined(CONFIG_NOT_COHERENT_CACHE)
else if (status & INT_VSYNC) {
unsigned int i;
+
for (i = 0; i < coherence_data_size;
i += d_cache_line_size)
__asm__ __volatile__ (
@@ -1333,43 +1359,38 @@ static irqreturn_t fsl_diu_isr(int irq, void *dev_id)
return IRQ_NONE;
}
-static int request_irq_local(int irq)
+static int request_irq_local(struct fsl_diu_data *machine_data)
{
- unsigned long status, ints;
- struct diu *hw;
+ struct diu __iomem *hw = machine_data->diu_reg;
+ u32 ints;
int ret;
- hw = dr.diu_reg;
-
/* Read to clear the status */
- status = in_be32(&hw->int_status);
+ in_be32(&hw->int_status);
- ret = request_irq(irq, fsl_diu_isr, 0, "diu", NULL);
- if (ret)
- pr_info("Request diu IRQ failed.\n");
- else {
+ ret = request_irq(machine_data->irq, fsl_diu_isr, 0, "fsl-diu-fb", hw);
+ if (!ret) {
ints = INT_PARERR | INT_LS_BF_VS;
#if !defined(CONFIG_NOT_COHERENT_CACHE)
ints |= INT_VSYNC;
#endif
- if (dr.mode == MFB_MODE2 || dr.mode == MFB_MODE3)
- ints |= INT_VSYNC_WB;
/* Read to clear the status */
- status = in_be32(&hw->int_status);
+ in_be32(&hw->int_status);
out_be32(&hw->int_mask, ints);
}
+
return ret;
}
-static void free_irq_local(int irq)
+static void free_irq_local(struct fsl_diu_data *machine_data)
{
- struct diu *hw = dr.diu_reg;
+ struct diu __iomem *hw = machine_data->diu_reg;
/* Disable all LCDC interrupt */
out_be32(&hw->int_mask, 0x1f);
- free_irq(irq, NULL);
+ free_irq(machine_data->irq, NULL);
}
#ifdef CONFIG_PM
@@ -1406,49 +1427,42 @@ static int fsl_diu_resume(struct platform_device *ofdev)
static int allocate_buf(struct device *dev, struct diu_addr *buf, u32 size,
u32 bytes_align)
{
- u32 offset, ssize;
- u32 mask;
- dma_addr_t paddr = 0;
+ u32 offset;
+ dma_addr_t mask;
- ssize = size + bytes_align;
- buf->vaddr = dma_alloc_coherent(dev, ssize, &paddr, GFP_DMA |
- __GFP_ZERO);
+ buf->vaddr =
+ dma_alloc_coherent(dev, size + bytes_align, &buf->paddr,
+ GFP_DMA | __GFP_ZERO);
if (!buf->vaddr)
return -ENOMEM;
- buf->paddr = (__u32) paddr;
-
mask = bytes_align - 1;
- offset = (u32)buf->paddr & mask;
+ offset = buf->paddr & mask;
if (offset) {
buf->offset = bytes_align - offset;
- buf->paddr = (u32)buf->paddr + offset;
+ buf->paddr = buf->paddr + offset;
} else
buf->offset = 0;
+
return 0;
}
static void free_buf(struct device *dev, struct diu_addr *buf, u32 size,
u32 bytes_align)
{
- dma_free_coherent(dev, size + bytes_align,
- buf->vaddr, (buf->paddr - buf->offset));
- return;
+ dma_free_coherent(dev, size + bytes_align, buf->vaddr,
+ buf->paddr - buf->offset);
}
static ssize_t store_monitor(struct device *device,
struct device_attribute *attr, const char *buf, size_t count)
{
- int old_monitor_port;
- unsigned long val;
+ enum fsl_diu_monitor_port old_monitor_port;
struct fsl_diu_data *machine_data =
container_of(attr, struct fsl_diu_data, dev_attr);
- if (strict_strtoul(buf, 10, &val))
- return 0;
-
old_monitor_port = machine_data->monitor_port;
- machine_data->monitor_port = diu_ops.set_sysfs_monitor_port(val);
+ machine_data->monitor_port = fsl_diu_name_to_port(buf);
if (old_monitor_port != machine_data->monitor_port) {
/* All AOIs need adjust pixel format
@@ -1468,16 +1482,25 @@ static ssize_t show_monitor(struct device *device,
{
struct fsl_diu_data *machine_data =
container_of(attr, struct fsl_diu_data, dev_attr);
- return diu_ops.show_monitor_port(machine_data->monitor_port, buf);
+
+ switch (machine_data->monitor_port) {
+ case FSL_DIU_PORT_DVI:
+ return sprintf(buf, "DVI\n");
+ case FSL_DIU_PORT_LVDS:
+ return sprintf(buf, "Single-link LVDS\n");
+ case FSL_DIU_PORT_DLVDS:
+ return sprintf(buf, "Dual-link LVDS\n");
+ }
+
+ return 0;
}
-static int __devinit fsl_diu_probe(struct platform_device *ofdev)
+static int __devinit fsl_diu_probe(struct platform_device *pdev)
{
- struct device_node *np = ofdev->dev.of_node;
+ struct device_node *np = pdev->dev.of_node;
struct mfb_info *mfbi;
- phys_addr_t dummy_ad_addr;
+ phys_addr_t dummy_ad_addr = 0;
int ret, i, error = 0;
- struct resource res;
struct fsl_diu_data *machine_data;
int diu_mode;
@@ -1485,11 +1508,13 @@ static int __devinit fsl_diu_probe(struct platform_device *ofdev)
if (!machine_data)
return -ENOMEM;
+ spin_lock_init(&machine_data->reg_lock);
+
for (i = 0; i < ARRAY_SIZE(machine_data->fsl_diu_info); i++) {
machine_data->fsl_diu_info[i] =
- framebuffer_alloc(sizeof(struct mfb_info), &ofdev->dev);
+ framebuffer_alloc(sizeof(struct mfb_info), &pdev->dev);
if (!machine_data->fsl_diu_info[i]) {
- dev_err(&ofdev->dev, "cannot allocate memory\n");
+ dev_err(&pdev->dev, "cannot allocate memory\n");
ret = -ENOMEM;
goto error2;
}
@@ -1497,7 +1522,7 @@ static int __devinit fsl_diu_probe(struct platform_device *ofdev)
memcpy(mfbi, &mfb_template[i], sizeof(struct mfb_info));
mfbi->parent = machine_data;
- if (mfbi->index == 0) {
+ if (mfbi->index == PLANE0) {
const u8 *prop;
int len;
@@ -1509,60 +1534,49 @@ static int __devinit fsl_diu_probe(struct platform_device *ofdev)
}
}
- ret = of_address_to_resource(np, 0, &res);
- if (ret) {
- dev_err(&ofdev->dev, "could not obtain DIU address\n");
- goto error;
- }
- if (!res.start) {
- dev_err(&ofdev->dev, "invalid DIU address\n");
- goto error;
- }
- dev_dbg(&ofdev->dev, "%s, res.start: 0x%08x\n", __func__, res.start);
-
- dr.diu_reg = ioremap(res.start, sizeof(struct diu));
- if (!dr.diu_reg) {
- dev_err(&ofdev->dev, "Err: can't map DIU registers!\n");
+ machine_data->diu_reg = of_iomap(np, 0);
+ if (!machine_data->diu_reg) {
+ dev_err(&pdev->dev, "cannot map DIU registers\n");
ret = -EFAULT;
goto error2;
}
- diu_mode = in_be32(&dr.diu_reg->diu_mode);
- if (diu_mode != MFB_MODE1)
- out_be32(&dr.diu_reg->diu_mode, 0); /* disable DIU */
+ diu_mode = in_be32(&machine_data->diu_reg->diu_mode);
+ if (diu_mode == MFB_MODE0)
+ out_be32(&machine_data->diu_reg->diu_mode, 0); /* disable DIU */
/* Get the IRQ of the DIU */
machine_data->irq = irq_of_parse_and_map(np, 0);
if (!machine_data->irq) {
- dev_err(&ofdev->dev, "could not get DIU IRQ\n");
+ dev_err(&pdev->dev, "could not get DIU IRQ\n");
ret = -EINVAL;
goto error;
}
machine_data->monitor_port = monitor_port;
/* Area descriptor memory pool aligns to 64-bit boundary */
- if (allocate_buf(&ofdev->dev, &pool.ad,
+ if (allocate_buf(&pdev->dev, &machine_data->ad,
sizeof(struct diu_ad) * FSL_AOI_NUM, 8))
return -ENOMEM;
/* Get memory for Gamma Table - 32-byte aligned memory */
- if (allocate_buf(&ofdev->dev, &pool.gamma, 768, 32)) {
+ if (allocate_buf(&pdev->dev, &machine_data->gamma, 768, 32)) {
ret = -ENOMEM;
goto error;
}
/* For performance, cursor bitmap buffer aligns to 32-byte boundary */
- if (allocate_buf(&ofdev->dev, &pool.cursor, MAX_CURS * MAX_CURS * 2,
- 32)) {
+ if (allocate_buf(&pdev->dev, &machine_data->cursor,
+ MAX_CURS * MAX_CURS * 2, 32)) {
ret = -ENOMEM;
goto error;
}
i = ARRAY_SIZE(machine_data->fsl_diu_info);
- machine_data->dummy_ad = (struct diu_ad *)
- ((u32)pool.ad.vaddr + pool.ad.offset) + i;
- machine_data->dummy_ad->paddr = pool.ad.paddr +
+ machine_data->dummy_ad = (struct diu_ad *)((u32)machine_data->ad.vaddr +
+ machine_data->ad.offset) + i;
+ machine_data->dummy_ad->paddr = machine_data->ad.paddr +
i * sizeof(struct diu_ad);
machine_data->dummy_aoi_virt = fsl_diu_alloc(64, &dummy_ad_addr);
if (!machine_data->dummy_aoi_virt) {
@@ -1581,30 +1595,29 @@ static int __devinit fsl_diu_probe(struct platform_device *ofdev)
* Let DIU display splash screen if it was pre-initialized
* by the bootloader, set dummy area descriptor otherwise.
*/
- if (diu_mode != MFB_MODE1)
- out_be32(&dr.diu_reg->desc[0], machine_data->dummy_ad->paddr);
+ if (diu_mode == MFB_MODE0)
+ out_be32(&machine_data->diu_reg->desc[0],
+ machine_data->dummy_ad->paddr);
- out_be32(&dr.diu_reg->desc[1], machine_data->dummy_ad->paddr);
- out_be32(&dr.diu_reg->desc[2], machine_data->dummy_ad->paddr);
+ out_be32(&machine_data->diu_reg->desc[1], machine_data->dummy_ad->paddr);
+ out_be32(&machine_data->diu_reg->desc[2], machine_data->dummy_ad->paddr);
for (i = 0; i < ARRAY_SIZE(machine_data->fsl_diu_info); i++) {
machine_data->fsl_diu_info[i]->fix.smem_start = 0;
mfbi = machine_data->fsl_diu_info[i]->par;
- mfbi->ad = (struct diu_ad *)((u32)pool.ad.vaddr
- + pool.ad.offset) + i;
- mfbi->ad->paddr = pool.ad.paddr + i * sizeof(struct diu_ad);
+ mfbi->ad = (struct diu_ad *)((u32)machine_data->ad.vaddr
+ + machine_data->ad.offset) + i;
+ mfbi->ad->paddr =
+ machine_data->ad.paddr + i * sizeof(struct diu_ad);
ret = install_fb(machine_data->fsl_diu_info[i]);
if (ret) {
- dev_err(&ofdev->dev,
- "Failed to register framebuffer %d\n",
- i);
+ dev_err(&pdev->dev, "could not register fb %d\n", i);
goto error;
}
}
- if (request_irq_local(machine_data->irq)) {
- dev_err(machine_data->fsl_diu_info[0]->dev,
- "could not request irq for diu.");
+ if (request_irq_local(machine_data)) {
+ dev_err(&pdev->dev, "could not claim irq\n");
goto error;
}
@@ -1616,29 +1629,28 @@ static int __devinit fsl_diu_probe(struct platform_device *ofdev)
error = device_create_file(machine_data->fsl_diu_info[0]->dev,
&machine_data->dev_attr);
if (error) {
- dev_err(machine_data->fsl_diu_info[0]->dev,
- "could not create sysfs %s file\n",
+ dev_err(&pdev->dev, "could not create sysfs file %s\n",
machine_data->dev_attr.attr.name);
}
- dev_set_drvdata(&ofdev->dev, machine_data);
+ dev_set_drvdata(&pdev->dev, machine_data);
return 0;
error:
- for (i = ARRAY_SIZE(machine_data->fsl_diu_info);
- i > 0; i--)
- uninstall_fb(machine_data->fsl_diu_info[i - 1]);
- if (pool.ad.vaddr)
- free_buf(&ofdev->dev, &pool.ad,
+ for (i = 0; i < ARRAY_SIZE(machine_data->fsl_diu_info); i++)
+ uninstall_fb(machine_data->fsl_diu_info[i]);
+
+ if (machine_data->ad.vaddr)
+ free_buf(&pdev->dev, &machine_data->ad,
sizeof(struct diu_ad) * FSL_AOI_NUM, 8);
- if (pool.gamma.vaddr)
- free_buf(&ofdev->dev, &pool.gamma, 768, 32);
- if (pool.cursor.vaddr)
- free_buf(&ofdev->dev, &pool.cursor, MAX_CURS * MAX_CURS * 2,
- 32);
+ if (machine_data->gamma.vaddr)
+ free_buf(&pdev->dev, &machine_data->gamma, 768, 32);
+ if (machine_data->cursor.vaddr)
+ free_buf(&pdev->dev, &machine_data->cursor,
+ MAX_CURS * MAX_CURS * 2, 32);
if (machine_data->dummy_aoi_virt)
fsl_diu_free(machine_data->dummy_aoi_virt, 64);
- iounmap(dr.diu_reg);
+ iounmap(machine_data->diu_reg);
error2:
for (i = 0; i < ARRAY_SIZE(machine_data->fsl_diu_info); i++)
@@ -1649,28 +1661,27 @@ error2:
return ret;
}
-
-static int fsl_diu_remove(struct platform_device *ofdev)
+static int fsl_diu_remove(struct platform_device *pdev)
{
struct fsl_diu_data *machine_data;
int i;
- machine_data = dev_get_drvdata(&ofdev->dev);
+ machine_data = dev_get_drvdata(&pdev->dev);
disable_lcdc(machine_data->fsl_diu_info[0]);
- free_irq_local(machine_data->irq);
- for (i = ARRAY_SIZE(machine_data->fsl_diu_info); i > 0; i--)
- uninstall_fb(machine_data->fsl_diu_info[i - 1]);
- if (pool.ad.vaddr)
- free_buf(&ofdev->dev, &pool.ad,
+ free_irq_local(machine_data);
+ for (i = 0; i < ARRAY_SIZE(machine_data->fsl_diu_info); i++)
+ uninstall_fb(machine_data->fsl_diu_info[i]);
+ if (machine_data->ad.vaddr)
+ free_buf(&pdev->dev, &machine_data->ad,
sizeof(struct diu_ad) * FSL_AOI_NUM, 8);
- if (pool.gamma.vaddr)
- free_buf(&ofdev->dev, &pool.gamma, 768, 32);
- if (pool.cursor.vaddr)
- free_buf(&ofdev->dev, &pool.cursor, MAX_CURS * MAX_CURS * 2,
- 32);
+ if (machine_data->gamma.vaddr)
+ free_buf(&pdev->dev, &machine_data->gamma, 768, 32);
+ if (machine_data->cursor.vaddr)
+ free_buf(&pdev->dev, &machine_data->cursor,
+ MAX_CURS * MAX_CURS * 2, 32);
if (machine_data->dummy_aoi_virt)
fsl_diu_free(machine_data->dummy_aoi_virt, 64);
- iounmap(dr.diu_reg);
+ iounmap(machine_data->diu_reg);
for (i = 0; i < ARRAY_SIZE(machine_data->fsl_diu_info); i++)
if (machine_data->fsl_diu_info[i])
framebuffer_release(machine_data->fsl_diu_info[i]);
@@ -1692,8 +1703,7 @@ static int __init fsl_diu_setup(char *options)
if (!*opt)
continue;
if (!strncmp(opt, "monitor=", 8)) {
- if (!strict_strtoul(opt + 8, 10, &val) && (val <= 2))
- monitor_port = val;
+ monitor_port = fsl_diu_name_to_port(opt + 8);
} else if (!strncmp(opt, "bpp=", 4)) {
if (!strict_strtoul(opt + 4, 10, &val))
default_bpp = val;
@@ -1720,7 +1730,7 @@ MODULE_DEVICE_TABLE(of, fsl_diu_match);
static struct platform_driver fsl_diu_driver = {
.driver = {
- .name = "fsl_diu",
+ .name = "fsl-diu-fb",
.owner = THIS_MODULE,
.of_match_table = fsl_diu_match,
},
@@ -1746,48 +1756,54 @@ static int __init fsl_diu_init(void)
if (fb_get_options("fslfb", &option))
return -ENODEV;
fsl_diu_setup(option);
+#else
+ monitor_port = fsl_diu_name_to_port(monitor_string);
#endif
- printk(KERN_INFO "Freescale DIU driver\n");
+ pr_info("Freescale Display Interface Unit (DIU) framebuffer driver\n");
#ifdef CONFIG_NOT_COHERENT_CACHE
np = of_find_node_by_type(NULL, "cpu");
if (!np) {
- printk(KERN_ERR "Err: can't find device node 'cpu'\n");
+ pr_err("fsl-diu-fb: can't find 'cpu' device node\n");
return -ENODEV;
}
prop = of_get_property(np, "d-cache-size", NULL);
if (prop == NULL) {
+ pr_err("fsl-diu-fb: missing 'd-cache-size' property' "
+ "in 'cpu' node\n");
of_node_put(np);
return -ENODEV;
}
- /* Freescale PLRU requires 13/8 times the cache size to do a proper
- displacement flush
+ /*
+ * Freescale PLRU requires 13/8 times the cache size to do a proper
+ * displacement flush
*/
- coherence_data_size = *prop * 13;
+ coherence_data_size = be32_to_cpup(prop) * 13;
coherence_data_size /= 8;
prop = of_get_property(np, "d-cache-line-size", NULL);
if (prop == NULL) {
+ pr_err("fsl-diu-fb: missing 'd-cache-line-size' property' "
+ "in 'cpu' node\n");
of_node_put(np);
return -ENODEV;
}
- d_cache_line_size = *prop;
+ d_cache_line_size = be32_to_cpup(prop);
of_node_put(np);
coherence_data = vmalloc(coherence_data_size);
if (!coherence_data)
return -ENOMEM;
#endif
+
ret = platform_driver_register(&fsl_diu_driver);
if (ret) {
- printk(KERN_ERR
- "fsl-diu: failed to register platform driver\n");
+ pr_err("fsl-diu-fb: failed to register platform driver\n");
#if defined(CONFIG_NOT_COHERENT_CACHE)
vfree(coherence_data);
#endif
- iounmap(dr.diu_reg);
}
return ret;
}
@@ -1811,8 +1827,8 @@ module_param_named(mode, fb_mode, charp, 0);
MODULE_PARM_DESC(mode,
"Specify resolution as \"<xres>x<yres>[-<bpp>][@<refresh>]\" ");
module_param_named(bpp, default_bpp, ulong, 0);
-MODULE_PARM_DESC(bpp, "Specify bit-per-pixel if not specified mode");
-module_param_named(monitor, monitor_port, int, 0);
-MODULE_PARM_DESC(monitor,
- "Specify the monitor port (0, 1 or 2) if supported by the platform");
+MODULE_PARM_DESC(bpp, "Specify bit-per-pixel if not specified in 'mode'");
+module_param_named(monitor, monitor_string, charp, 0);
+MODULE_PARM_DESC(monitor, "Specify the monitor port "
+ "(\"dvi\", \"lvds\", or \"dlvds\") if supported by the platform");
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-28 23:10:06 +0000