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tty: vt: define an enum for CSI+] codes

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Decrypt the constant values by proper enum names. This time in
setterm_command() (to be renamed to csi_RSB() in the next patches).

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-8-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby (SUSE) 2024-02-02 07:55:53 +01:00 committed by Greg Kroah-Hartman
parent 0afaeb78d1
commit f9ac8d4e9f
1 changed files with 25 additions and 11 deletions
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36
drivers/tty/vt/vt.c
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@ -1955,62 +1955,76 @@ static void csi_hl(struct vc_data *vc, bool on_off)
} }
} }
enum CSI_right_square_bracket {
CSI_RSB_COLOR_FOR_UNDERLINE = 1,
CSI_RSB_COLOR_FOR_HALF_BRIGHT = 2,
CSI_RSB_MAKE_CUR_COLOR_DEFAULT = 8,
CSI_RSB_BLANKING_INTERVAL = 9,
CSI_RSB_BELL_FREQUENCY = 10,
CSI_RSB_BELL_DURATION = 11,
CSI_RSB_BRING_CONSOLE_TO_FRONT = 12,
CSI_RSB_UNBLANK = 13,
CSI_RSB_VESA_OFF_INTERVAL = 14,
CSI_RSB_BRING_PREV_CONSOLE_TO_FRONT = 15,
CSI_RSB_CURSOR_BLINK_INTERVAL = 16,
};
/* console_lock is held */ /* console_lock is held */
static void setterm_command(struct vc_data *vc) static void setterm_command(struct vc_data *vc)
{ {
switch (vc->vc_par[0]) { switch (vc->vc_par[0]) {
case 1: /* set color for underline mode */ case CSI_RSB_COLOR_FOR_UNDERLINE:
if (vc->vc_can_do_color && vc->vc_par[1] < 16) { if (vc->vc_can_do_color && vc->vc_par[1] < 16) {
vc->vc_ulcolor = color_table[vc->vc_par[1]]; vc->vc_ulcolor = color_table[vc->vc_par[1]];
if (vc->state.underline) if (vc->state.underline)
update_attr(vc); update_attr(vc);
} }
break; break;
case 2: /* set color for half intensity mode */ case CSI_RSB_COLOR_FOR_HALF_BRIGHT:
if (vc->vc_can_do_color && vc->vc_par[1] < 16) { if (vc->vc_can_do_color && vc->vc_par[1] < 16) {
vc->vc_halfcolor = color_table[vc->vc_par[1]]; vc->vc_halfcolor = color_table[vc->vc_par[1]];
if (vc->state.intensity == VCI_HALF_BRIGHT) if (vc->state.intensity == VCI_HALF_BRIGHT)
update_attr(vc); update_attr(vc);
} }
break; break;
case 8: /* store colors as defaults */ case CSI_RSB_MAKE_CUR_COLOR_DEFAULT:
vc->vc_def_color = vc->vc_attr; vc->vc_def_color = vc->vc_attr;
if (vc->vc_hi_font_mask == 0x100) if (vc->vc_hi_font_mask == 0x100)
vc->vc_def_color >>= 1; vc->vc_def_color >>= 1;
default_attr(vc); default_attr(vc);
update_attr(vc); update_attr(vc);
break; break;
case 9: /* set blanking interval */ case CSI_RSB_BLANKING_INTERVAL:
blankinterval = min(vc->vc_par[1], 60U) * 60; blankinterval = min(vc->vc_par[1], 60U) * 60;
poke_blanked_console(); poke_blanked_console();
break; break;
case 10: /* set bell frequency in Hz */ case CSI_RSB_BELL_FREQUENCY:
if (vc->vc_npar >= 1) if (vc->vc_npar >= 1)
vc->vc_bell_pitch = vc->vc_par[1]; vc->vc_bell_pitch = vc->vc_par[1];
else else
vc->vc_bell_pitch = DEFAULT_BELL_PITCH; vc->vc_bell_pitch = DEFAULT_BELL_PITCH;
break; break;
case 11: /* set bell duration in msec */ case CSI_RSB_BELL_DURATION:
if (vc->vc_npar >= 1) if (vc->vc_npar >= 1)
vc->vc_bell_duration = (vc->vc_par[1] < 2000) ? vc->vc_bell_duration = (vc->vc_par[1] < 2000) ?
msecs_to_jiffies(vc->vc_par[1]) : 0; msecs_to_jiffies(vc->vc_par[1]) : 0;
else else
vc->vc_bell_duration = DEFAULT_BELL_DURATION; vc->vc_bell_duration = DEFAULT_BELL_DURATION;
break; break;
case 12: /* bring specified console to the front */ case CSI_RSB_BRING_CONSOLE_TO_FRONT:
if (vc->vc_par[1] >= 1 && vc_cons_allocated(vc->vc_par[1] - 1)) if (vc->vc_par[1] >= 1 && vc_cons_allocated(vc->vc_par[1] - 1))
set_console(vc->vc_par[1] - 1); set_console(vc->vc_par[1] - 1);
break; break;
case 13: /* unblank the screen */ case CSI_RSB_UNBLANK:
poke_blanked_console(); poke_blanked_console();
break; break;
case 14: /* set vesa powerdown interval */ case CSI_RSB_VESA_OFF_INTERVAL:
vesa_off_interval = min(vc->vc_par[1], 60U) * 60 * HZ; vesa_off_interval = min(vc->vc_par[1], 60U) * 60 * HZ;
break; break;
case 15: /* activate the previous console */ case CSI_RSB_BRING_PREV_CONSOLE_TO_FRONT:
set_console(last_console); set_console(last_console);
break; break;
case 16: /* set cursor blink duration in msec */ case CSI_RSB_CURSOR_BLINK_INTERVAL:
if (vc->vc_npar >= 1 && vc->vc_par[1] >= 50 && if (vc->vc_npar >= 1 && vc->vc_par[1] >= 50 &&
vc->vc_par[1] <= USHRT_MAX) vc->vc_par[1] <= USHRT_MAX)
vc->vc_cur_blink_ms = vc->vc_par[1]; vc->vc_cur_blink_ms = vc->vc_par[1];