^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * written by David Borowski
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2003 David Borowski.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * specificly written as a driver for the speakup screenreview
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * package it's not a general device driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * This driver is for the Keynote Gold internal synthesizer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/jiffies.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/timer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/kthread.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/serial_reg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "spk_priv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "speakup.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define DRV_VERSION "2.10"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define SYNTH_IO_EXTENT 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define SWAIT udelay(70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define PROCSPEECH 0x1f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define SYNTH_CLEAR 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static int synth_probe(struct spk_synth *synth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static void keynote_release(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static const char *synth_immediate(struct spk_synth *synth, const char *buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static void do_catch_up(struct spk_synth *synth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static void synth_flush(struct spk_synth *synth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static int synth_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) static int port_forced;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static unsigned int synth_portlist[] = { 0x2a8, 0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static struct var_t vars[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) { CAPS_START, .u.s = {"[f130]" } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) { CAPS_STOP, .u.s = {"[f90]" } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) { RATE, .u.n = {"\04%c ", 8, 0, 10, 81, -8, NULL } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) { PITCH, .u.n = {"[f%d]", 5, 0, 9, 40, 10, NULL } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) V_LAST_VAR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * These attributes will appear in /sys/accessibility/speakup/keypc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static struct kobj_attribute caps_start_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static struct kobj_attribute caps_stop_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static struct kobj_attribute pitch_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) __ATTR(pitch, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) static struct kobj_attribute rate_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) __ATTR(rate, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static struct kobj_attribute delay_time_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static struct kobj_attribute direct_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) __ATTR(direct, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) static struct kobj_attribute full_time_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) __ATTR(full_time, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static struct kobj_attribute jiffy_delta_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static struct kobj_attribute trigger_time_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * Create a group of attributes so that we can create and destroy them all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * at once.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) static struct attribute *synth_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) &caps_start_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) &caps_stop_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) &pitch_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) &rate_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) &delay_time_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) &direct_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) &full_time_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) &jiffy_delta_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) &trigger_time_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) NULL, /* need to NULL terminate the list of attributes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) static struct spk_synth synth_keypc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) .name = "keypc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) .version = DRV_VERSION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .long_name = "Keynote PC",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) .init = "[t][n7,1][n8,0]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .procspeech = PROCSPEECH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .clear = SYNTH_CLEAR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) .delay = 500,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .trigger = 50,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .jiffies = 50,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) .full = 1000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .startup = SYNTH_START,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) .checkval = SYNTH_CHECK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .vars = vars,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) .io_ops = &spk_serial_io_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .probe = synth_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .release = keynote_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) .synth_immediate = synth_immediate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) .catch_up = do_catch_up,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) .flush = synth_flush,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) .is_alive = spk_synth_is_alive_nop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) .synth_adjust = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .read_buff_add = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .get_index = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .indexing = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .command = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) .lowindex = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .highindex = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) .currindex = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) .attributes = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) .attrs = synth_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) .name = "keypc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) static inline bool synth_writable(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) return (inb_p(synth_port + UART_RX) & 0x10) != 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static inline bool synth_full(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) return (inb_p(synth_port + UART_RX) & 0x80) == 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) static char *oops(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) int s1, s2, s3, s4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) s1 = inb_p(synth_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) s2 = inb_p(synth_port + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) s3 = inb_p(synth_port + 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) s4 = inb_p(synth_port + 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) pr_warn("synth timeout %d %d %d %d\n", s1, s2, s3, s4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) static const char *synth_immediate(struct spk_synth *synth, const char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) u_char ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) int timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) while ((ch = *buf)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (ch == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) ch = PROCSPEECH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) if (synth_full())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) return buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) timeout = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) while (synth_writable())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) if (--timeout <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) return oops();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) outb_p(ch, synth_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) udelay(70);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) buf++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static void do_catch_up(struct spk_synth *synth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) u_char ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) int timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) unsigned long jiff_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) struct var_t *jiffy_delta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) struct var_t *delay_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct var_t *full_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) int delay_time_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) int full_time_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) int jiffy_delta_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) jiffy_delta = spk_get_var(JIFFY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) delay_time = spk_get_var(DELAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) full_time = spk_get_var(FULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) spin_lock_irqsave(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) jiffy_delta_val = jiffy_delta->u.n.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) jiff_max = jiffies + jiffy_delta_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) while (!kthread_should_stop()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) spin_lock_irqsave(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) if (speakup_info.flushing) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) speakup_info.flushing = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) synth->flush(synth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) synth_buffer_skip_nonlatin1();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (synth_buffer_empty()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) set_current_state(TASK_INTERRUPTIBLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) full_time_val = full_time->u.n.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) if (synth_full()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) schedule_timeout(msecs_to_jiffies(full_time_val));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) set_current_state(TASK_RUNNING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) timeout = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) while (synth_writable())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (--timeout <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (timeout <= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) oops();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) spin_lock_irqsave(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) ch = synth_buffer_getc();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) if (ch == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) ch = PROCSPEECH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) outb_p(ch, synth_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) SWAIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) if (time_after_eq(jiffies, jiff_max) && (ch == SPACE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) timeout = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) while (synth_writable())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) if (--timeout <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) if (timeout <= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) oops();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) outb_p(PROCSPEECH, synth_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) spin_lock_irqsave(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) jiffy_delta_val = jiffy_delta->u.n.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) delay_time_val = delay_time->u.n.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) schedule_timeout(msecs_to_jiffies(delay_time_val));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) jiff_max = jiffies + jiffy_delta_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) timeout = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) while (synth_writable())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) if (--timeout <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) if (timeout <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) oops();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) outb_p(PROCSPEECH, synth_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) static void synth_flush(struct spk_synth *synth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) outb_p(SYNTH_CLEAR, synth_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) static int synth_probe(struct spk_synth *synth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) unsigned int port_val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) pr_info("Probing for %s.\n", synth->long_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) if (port_forced) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) synth_port = port_forced;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) pr_info("probe forced to %x by kernel command line\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) synth_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) if (synth_request_region(synth_port - 1, SYNTH_IO_EXTENT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) pr_warn("sorry, port already reserved\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) port_val = inb(synth_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) for (i = 0; synth_portlist[i]; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) if (synth_request_region(synth_portlist[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) SYNTH_IO_EXTENT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) pr_warn
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) ("request_region: failed with 0x%x, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) synth_portlist[i], SYNTH_IO_EXTENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) port_val = inb(synth_portlist[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) if (port_val == 0x80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) synth_port = synth_portlist[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) if (port_val != 0x80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) pr_info("%s: not found\n", synth->long_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) synth_release_region(synth_port, SYNTH_IO_EXTENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) synth_port = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) pr_info("%s: %03x-%03x, driver version %s,\n", synth->long_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) synth_port, synth_port + SYNTH_IO_EXTENT - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) synth->version);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) synth->alive = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) static void keynote_release(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) spk_stop_serial_interrupt();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) if (synth_port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) synth_release_region(synth_port, SYNTH_IO_EXTENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) synth_port = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) module_param_hw_named(port, port_forced, int, ioport, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) module_param_named(start, synth_keypc.startup, short, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) MODULE_PARM_DESC(port, "Set the port for the synthesizer (override probing).");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) module_spk_synth(synth_keypc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) MODULE_AUTHOR("David Borowski");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) MODULE_DESCRIPTION("Speakup support for Keynote Gold PC synthesizers");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) MODULE_VERSION(DRV_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)