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-rw-r--r--drivers/video/via/hw.c53
-rw-r--r--drivers/video/via/hw.h10
-rw-r--r--drivers/video/via/viafbdev.c175
-rw-r--r--drivers/video/via/viafbdev.h2
4 files changed, 216 insertions, 24 deletions
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index 03303232e543..e65edcea46eb 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -718,6 +718,16 @@ static struct rgbLUT palLUT_table[] = {
0x00}
};
+static struct via_device_mapping device_mapping[] = {
+ {VIA_6C, "6C"},
+ {VIA_93, "93"},
+ {VIA_96, "96"},
+ {VIA_CRT, "CRT"},
+ {VIA_DVP1, "DVP1"},
+ {VIA_LVDS1, "LVDS1"},
+ {VIA_LVDS2, "LVDS2"}
+};
+
static void load_fix_bit_crtc_reg(void);
static void __devinit init_gfx_chip_info(int chip_type);
static void __devinit init_tmds_chip_info(void);
@@ -1026,6 +1036,49 @@ void via_set_source(u32 devices, u8 iga)
set_lvds2_source(iga);
}
+u32 via_parse_odev(char *input, char **end)
+{
+ char *ptr = input;
+ u32 odev = 0;
+ bool next = true;
+ int i, len;
+
+ while (next) {
+ next = false;
+ for (i = 0; i < ARRAY_SIZE(device_mapping); i++) {
+ len = strlen(device_mapping[i].name);
+ if (!strncmp(ptr, device_mapping[i].name, len)) {
+ odev |= device_mapping[i].device;
+ ptr += len;
+ if (*ptr == ',') {
+ ptr++;
+ next = true;
+ }
+ }
+ }
+ }
+
+ *end = ptr;
+ return odev;
+}
+
+void via_odev_to_seq(struct seq_file *m, u32 odev)
+{
+ int i, count = 0;
+
+ for (i = 0; i < ARRAY_SIZE(device_mapping); i++) {
+ if (odev & device_mapping[i].device) {
+ if (count > 0)
+ seq_putc(m, ',');
+
+ seq_puts(m, device_mapping[i].name);
+ count++;
+ }
+ }
+
+ seq_putc(m, '\n');
+}
+
static void load_fix_bit_crtc_reg(void)
{
/* always set to 1 */
diff --git a/drivers/video/via/hw.h b/drivers/video/via/hw.h
index 45dee39a8b23..657dbd64a089 100644
--- a/drivers/video/via/hw.h
+++ b/drivers/video/via/hw.h
@@ -22,6 +22,8 @@
#ifndef __HW_H__
#define __HW_H__
+#include <linux/seq_file.h>
+
#include "viamode.h"
#include "global.h"
#include "via_modesetting.h"
@@ -882,6 +884,11 @@ struct pci_device_id_info {
u32 chip_index;
};
+struct via_device_mapping {
+ u32 device;
+ const char *name;
+};
+
extern unsigned int viafb_second_virtual_xres;
extern int viafb_SAMM_ON;
extern int viafb_dual_fb;
@@ -899,6 +906,9 @@ void viafb_load_reg(int timing_value, int viafb_load_reg_num,
int io_type);
void viafb_crt_disable(void);
void viafb_crt_enable(void);
+void via_set_source(u32 devices, u8 iga);
+u32 via_parse_odev(char *input, char **end);
+void via_odev_to_seq(struct seq_file *m, u32 odev);
void init_ad9389(void);
/* Access I/O Function */
void viafb_lock_crt(void);
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 5a947b096269..80ce43a318bb 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -1431,38 +1431,169 @@ static const struct file_operations viafb_vt1636_proc_fops = {
.write = viafb_vt1636_proc_write,
};
-static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
+#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
+
+static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev)
{
- *viafb_entry = proc_mkdir("viafb", NULL);
- if (*viafb_entry) {
- proc_create("dvp0", 0, *viafb_entry, &viafb_dvp0_proc_fops);
- proc_create("dvp1", 0, *viafb_entry, &viafb_dvp1_proc_fops);
- proc_create("dfph", 0, *viafb_entry, &viafb_dfph_proc_fops);
- proc_create("dfpl", 0, *viafb_entry, &viafb_dfpl_proc_fops);
- if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
- lvds_chip_name || VT1636_LVDS ==
- viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
- proc_create("vt1636", 0, *viafb_entry, &viafb_vt1636_proc_fops);
- }
+ char buf[64], *ptr = buf;
+ u32 devices;
+ bool add, sub;
+
+ if (count < 1 || count > 63)
+ return -EINVAL;
+ if (copy_from_user(&buf[0], buffer, count))
+ return -EFAULT;
+ buf[count] = '\0';
+ add = buf[0] == '+';
+ sub = buf[0] == '-';
+ if (add || sub)
+ ptr++;
+ devices = via_parse_odev(ptr, &ptr);
+ if (*ptr == '\n')
+ ptr++;
+ if (*ptr != 0)
+ return -EINVAL;
+ if (add)
+ *odev |= devices;
+ else if (sub)
+ *odev &= ~devices;
+ else
+ *odev = devices;
+ return count;
+}
+
+static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v)
+{
+ via_odev_to_seq(m, viaparinfo->shared->iga1_devices);
+ return 0;
+}
+
+static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, viafb_iga1_odev_proc_show, NULL);
+}
+
+static ssize_t viafb_iga1_odev_proc_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *pos)
+{
+ u32 dev_on, dev_off, dev_old, dev_new;
+ ssize_t res;
+
+ dev_old = dev_new = viaparinfo->shared->iga1_devices;
+ res = odev_update(buffer, count, &dev_new);
+ if (res != count)
+ return res;
+ dev_off = dev_old & ~dev_new;
+ dev_on = dev_new & ~dev_old;
+ viaparinfo->shared->iga1_devices = dev_new;
+ viaparinfo->shared->iga2_devices &= ~dev_new;
+ via_set_source(dev_new, IGA1);
+ return res;
+}
+
+static const struct file_operations viafb_iga1_odev_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = viafb_iga1_odev_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = viafb_iga1_odev_proc_write,
+};
+
+static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v)
+{
+ via_odev_to_seq(m, viaparinfo->shared->iga2_devices);
+ return 0;
+}
+
+static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, viafb_iga2_odev_proc_show, NULL);
+}
+
+static ssize_t viafb_iga2_odev_proc_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *pos)
+{
+ u32 dev_on, dev_off, dev_old, dev_new;
+ ssize_t res;
+
+ dev_old = dev_new = viaparinfo->shared->iga2_devices;
+ res = odev_update(buffer, count, &dev_new);
+ if (res != count)
+ return res;
+ dev_off = dev_old & ~dev_new;
+ dev_on = dev_new & ~dev_old;
+ viaparinfo->shared->iga2_devices = dev_new;
+ viaparinfo->shared->iga1_devices &= ~dev_new;
+ via_set_source(dev_new, IGA2);
+ return res;
+}
+
+static const struct file_operations viafb_iga2_odev_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = viafb_iga2_odev_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = viafb_iga2_odev_proc_write,
+};
+
+#define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS)
+static void viafb_init_proc(struct viafb_shared *shared)
+{
+ struct proc_dir_entry *iga1_entry, *iga2_entry,
+ *viafb_entry = proc_mkdir("viafb", NULL);
+
+ shared->proc_entry = viafb_entry;
+ if (viafb_entry) {
+#ifdef CONFIG_FB_VIA_DIRECT_PROCFS
+ proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops);
+ proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops);
+ proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops);
+ proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops);
+ if (IS_VT1636(shared->chip_info.lvds_chip_info)
+ || IS_VT1636(shared->chip_info.lvds_chip_info2))
+ proc_create("vt1636", 0, viafb_entry,
+ &viafb_vt1636_proc_fops);
+#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
+ iga1_entry = proc_mkdir("iga1", viafb_entry);
+ shared->iga1_proc_entry = iga1_entry;
+ proc_create("output_devices", 0, iga1_entry,
+ &viafb_iga1_odev_proc_fops);
+ iga2_entry = proc_mkdir("iga2", viafb_entry);
+ shared->iga2_proc_entry = iga2_entry;
+ proc_create("output_devices", 0, iga2_entry,
+ &viafb_iga2_odev_proc_fops);
}
}
-static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
+static void viafb_remove_proc(struct viafb_shared *shared)
{
- struct chip_information *chip_info = &viaparinfo->shared->chip_info;
+ struct proc_dir_entry *viafb_entry = shared->proc_entry,
+ *iga1_entry = shared->iga1_proc_entry,
+ *iga2_entry = shared->iga2_proc_entry;
+ if (!viafb_entry)
+ return;
+
+ remove_proc_entry("output_devices", iga2_entry);
+ remove_proc_entry("iga2", viafb_entry);
+ remove_proc_entry("output_devices", iga1_entry);
+ remove_proc_entry("iga1", viafb_entry);
+
+#ifdef CONFIG_FB_VIA_DIRECT_PROCFS
remove_proc_entry("dvp0", viafb_entry);/* parent dir */
remove_proc_entry("dvp1", viafb_entry);
remove_proc_entry("dfph", viafb_entry);
remove_proc_entry("dfpl", viafb_entry);
- if (chip_info->lvds_chip_info.lvds_chip_name == VT1636_LVDS
- || chip_info->lvds_chip_info2.lvds_chip_name == VT1636_LVDS)
+ if (IS_VT1636(shared->chip_info.lvds_chip_info)
+ || IS_VT1636(shared->chip_info.lvds_chip_info2))
remove_proc_entry("vt1636", viafb_entry);
+#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
remove_proc_entry("viafb", NULL);
}
-
-#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
+#undef IS_VT1636
static int parse_mode(const char *str, u32 *xres, u32 *yres)
{
@@ -1671,9 +1802,7 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
viafbinfo->node, viafbinfo->fix.id, default_var.xres,
default_var.yres, default_var.bits_per_pixel);
-#ifdef CONFIG_FB_VIA_DIRECT_PROCFS
- viafb_init_proc(&viaparinfo->shared->proc_entry);
-#endif
+ viafb_init_proc(viaparinfo->shared);
viafb_init_dac(IGA2);
return 0;
@@ -1700,9 +1829,7 @@ void __devexit via_fb_pci_remove(struct pci_dev *pdev)
unregister_framebuffer(viafbinfo);
if (viafb_dual_fb)
unregister_framebuffer(viafbinfo1);
-#ifdef CONFIG_FB_VIA_DIRECT_PROCFS
- viafb_remove_proc(viaparinfo->shared->proc_entry);
-#endif
+ viafb_remove_proc(viaparinfo->shared);
framebuffer_release(viafbinfo);
if (viafb_dual_fb)
framebuffer_release(viafbinfo1);
diff --git a/drivers/video/via/viafbdev.h b/drivers/video/via/viafbdev.h
index 945a47a63c4d..d66f963e930e 100644
--- a/drivers/video/via/viafbdev.h
+++ b/drivers/video/via/viafbdev.h
@@ -44,6 +44,8 @@ struct viafb_shared {
u32 iga2_devices;
struct proc_dir_entry *proc_entry; /*viafb proc entry */
+ struct proc_dir_entry *iga1_proc_entry;
+ struct proc_dir_entry *iga2_proc_entry;
struct viafb_dev *vdev; /* Global dev info */
/* All the information will be needed to set engine */
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