diff options
| -rw-r--r-- | drivers/video/via/hw.c | 53 | ||||
| -rw-r--r-- | drivers/video/via/hw.h | 10 | ||||
| -rw-r--r-- | drivers/video/via/viafbdev.c | 175 | ||||
| -rw-r--r-- | drivers/video/via/viafbdev.h | 2 |
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 */ |