2024-02-26 15:24:07

by Alexey Gladkov

[permalink] [raw]
Subject: [RFC PATCH v2 2/5] newport_con: Allow to get max font width and height

Signed-off-by: Alexey Gladkov <[email protected]>
---
drivers/video/console/newport_con.c | 21 +++++++++++++++++----
1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index e8e4f82cd4a1..87f174a95fa8 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -33,6 +33,9 @@

#define NEWPORT_LEN 0x10000

+#define NEWPORT_MAX_FONT_WIDTH 8
+#define NEWPORT_MAX_FONT_HEIGHT 16
+
#define FONT_DATA ((unsigned char *)font_vga_8x16.data)

static unsigned char *font_data[MAX_NR_CONSOLES];
@@ -328,8 +331,8 @@ static void newport_init(struct vc_data *vc, int init)
{
int cols, rows;

- cols = newport_xsize / 8;
- rows = newport_ysize / 16;
+ cols = newport_xsize / NEWPORT_MAX_FONT_WIDTH;
+ rows = newport_ysize / NEWPORT_MAX_FONT_HEIGHT;
vc->vc_can_do_color = 1;
if (init) {
vc->vc_cols = cols;
@@ -507,8 +510,8 @@ static int newport_set_font(int unit, struct console_font *op, unsigned int vpit

/* ladis: when I grow up, there will be a day... and more sizes will
* be supported ;-) */
- if ((w != 8) || (h != 16) || (vpitch != 32)
- || (op->charcount != 256 && op->charcount != 512))
+ if ((w != NEWPORT_MAX_FONT_WIDTH) || (h != NEWPORT_MAX_FONT_HEIGHT) ||
+ (vpitch != 32) || (op->charcount != 256 && op->charcount != 512))
return -EINVAL;

if (!(new_data = kmalloc(FONT_EXTRA_WORDS * sizeof(int) + size,
@@ -569,6 +572,15 @@ static int newport_font_default(struct vc_data *vc, struct console_font *op, cha
return newport_set_def_font(vc->vc_num, op);
}

+static int newport_font_info(struct vc_data *vc, struct console_font_info *info)
+{
+ info->min_width = info->max_width = NEWPORT_MAX_FONT_WIDTH;
+ info->min_height = info->max_height = NEWPORT_MAX_FONT_HEIGHT;
+ info->flags = KD_FONT_INFO_FLAG_LOW_SIZE | KD_FONT_INFO_FLAG_HIGH_SIZE;
+
+ return 0;
+}
+
static int newport_font_set(struct vc_data *vc, struct console_font *font,
unsigned int vpitch, unsigned int flags)
{
@@ -688,6 +700,7 @@ const struct consw newport_con = {
.con_scroll = newport_scroll,
.con_switch = newport_switch,
.con_blank = newport_blank,
+ .con_font_info = newport_font_info,
.con_font_set = newport_font_set,
.con_font_default = newport_font_default,
.con_save_screen = newport_save_screen
--
2.44.0