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-rw-r--r--sound/drivers/pcsp/pcsp_lib.c65
-rw-r--r--sound/drivers/pcsp/pcsp_mixer.c2
2 files changed, 35 insertions, 32 deletions
diff --git a/sound/drivers/pcsp/pcsp_lib.c b/sound/drivers/pcsp/pcsp_lib.c
index 84cc2658c05b..e1145ac6e908 100644
--- a/sound/drivers/pcsp/pcsp_lib.c
+++ b/sound/drivers/pcsp/pcsp_lib.c
@@ -39,25 +39,20 @@ static DECLARE_TASKLET(pcsp_pcm_tasklet, pcsp_call_pcm_elapsed, 0);
39/* write the port and returns the next expire time in ns; 39/* write the port and returns the next expire time in ns;
40 * called at the trigger-start and in hrtimer callback 40 * called at the trigger-start and in hrtimer callback
41 */ 41 */
42static unsigned long pcsp_timer_update(struct hrtimer *handle) 42static u64 pcsp_timer_update(struct snd_pcsp *chip)
43{ 43{
44 unsigned char timer_cnt, val; 44 unsigned char timer_cnt, val;
45 u64 ns; 45 u64 ns;
46 struct snd_pcm_substream *substream; 46 struct snd_pcm_substream *substream;
47 struct snd_pcm_runtime *runtime; 47 struct snd_pcm_runtime *runtime;
48 struct snd_pcsp *chip = container_of(handle, struct snd_pcsp, timer);
49 unsigned long flags; 48 unsigned long flags;
50 49
51 if (chip->thalf) { 50 if (chip->thalf) {
52 outb(chip->val61, 0x61); 51 outb(chip->val61, 0x61);
53 chip->thalf = 0; 52 chip->thalf = 0;
54 if (!atomic_read(&chip->timer_active))
55 return 0;
56 return chip->ns_rem; 53 return chip->ns_rem;
57 } 54 }
58 55
59 if (!atomic_read(&chip->timer_active))
60 return 0;
61 substream = chip->playback_substream; 56 substream = chip->playback_substream;
62 if (!substream) 57 if (!substream)
63 return 0; 58 return 0;
@@ -88,24 +83,17 @@ static unsigned long pcsp_timer_update(struct hrtimer *handle)
88 return ns; 83 return ns;
89} 84}
90 85
91enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle) 86static void pcsp_pointer_update(struct snd_pcsp *chip)
92{ 87{
93 struct snd_pcsp *chip = container_of(handle, struct snd_pcsp, timer);
94 struct snd_pcm_substream *substream; 88 struct snd_pcm_substream *substream;
95 int periods_elapsed, pointer_update;
96 size_t period_bytes, buffer_bytes; 89 size_t period_bytes, buffer_bytes;
97 unsigned long ns; 90 int periods_elapsed;
98 unsigned long flags; 91 unsigned long flags;
99 92
100 pointer_update = !chip->thalf;
101 ns = pcsp_timer_update(handle);
102 if (!ns)
103 return HRTIMER_NORESTART;
104
105 /* update the playback position */ 93 /* update the playback position */
106 substream = chip->playback_substream; 94 substream = chip->playback_substream;
107 if (!substream) 95 if (!substream)
108 return HRTIMER_NORESTART; 96 return;
109 97
110 period_bytes = snd_pcm_lib_period_bytes(substream); 98 period_bytes = snd_pcm_lib_period_bytes(substream);
111 buffer_bytes = snd_pcm_lib_buffer_bytes(substream); 99 buffer_bytes = snd_pcm_lib_buffer_bytes(substream);
@@ -134,6 +122,26 @@ enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle)
134 122
135 if (periods_elapsed) 123 if (periods_elapsed)
136 tasklet_schedule(&pcsp_pcm_tasklet); 124 tasklet_schedule(&pcsp_pcm_tasklet);
125}
126
127enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle)
128{
129 struct snd_pcsp *chip = container_of(handle, struct snd_pcsp, timer);
130 int pointer_update;
131 u64 ns;
132
133 if (!atomic_read(&chip->timer_active) || !chip->playback_substream)
134 return HRTIMER_NORESTART;
135
136 pointer_update = !chip->thalf;
137 ns = pcsp_timer_update(chip);
138 if (!ns) {
139 printk(KERN_WARNING "PCSP: unexpected stop\n");
140 return HRTIMER_NORESTART;
141 }
142
143 if (pointer_update)
144 pcsp_pointer_update(chip);
137 145
138 hrtimer_forward(handle, hrtimer_get_expires(handle), ns_to_ktime(ns)); 146 hrtimer_forward(handle, hrtimer_get_expires(handle), ns_to_ktime(ns));
139 147
@@ -142,8 +150,6 @@ enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle)
142 150
143static int pcsp_start_playing(struct snd_pcsp *chip) 151static int pcsp_start_playing(struct snd_pcsp *chip)
144{ 152{
145 unsigned long ns;
146
147#if PCSP_DEBUG 153#if PCSP_DEBUG
148 printk(KERN_INFO "PCSP: start_playing called\n"); 154 printk(KERN_INFO "PCSP: start_playing called\n");
149#endif 155#endif
@@ -159,11 +165,7 @@ static int pcsp_start_playing(struct snd_pcsp *chip)
159 atomic_set(&chip->timer_active, 1); 165 atomic_set(&chip->timer_active, 1);
160 chip->thalf = 0; 166 chip->thalf = 0;
161 167
162 ns = pcsp_timer_update(&pcsp_chip.timer); 168 hrtimer_start(&pcsp_chip.timer, ktime_set(0, 0), HRTIMER_MODE_REL);
163 if (!ns)
164 return -EIO;
165
166 hrtimer_start(&pcsp_chip.timer, ktime_set(0, ns), HRTIMER_MODE_REL);
167 return 0; 169 return 0;
168} 170}
169 171
@@ -232,21 +234,22 @@ static int snd_pcsp_playback_hw_free(struct snd_pcm_substream *substream)
232static int snd_pcsp_playback_prepare(struct snd_pcm_substream *substream) 234static int snd_pcsp_playback_prepare(struct snd_pcm_substream *substream)
233{ 235{
234 struct snd_pcsp *chip = snd_pcm_substream_chip(substream); 236 struct snd_pcsp *chip = snd_pcm_substream_chip(substream);
237 pcsp_sync_stop(chip);
238 chip->playback_ptr = 0;
239 chip->period_ptr = 0;
240 chip->fmt_size =
241 snd_pcm_format_physical_width(substream->runtime->format) >> 3;
242 chip->is_signed = snd_pcm_format_signed(substream->runtime->format);
235#if PCSP_DEBUG 243#if PCSP_DEBUG
236 printk(KERN_INFO "PCSP: prepare called, " 244 printk(KERN_INFO "PCSP: prepare called, "
237 "size=%zi psize=%zi f=%zi f1=%i\n", 245 "size=%zi psize=%zi f=%zi f1=%i fsize=%i\n",
238 snd_pcm_lib_buffer_bytes(substream), 246 snd_pcm_lib_buffer_bytes(substream),
239 snd_pcm_lib_period_bytes(substream), 247 snd_pcm_lib_period_bytes(substream),
240 snd_pcm_lib_buffer_bytes(substream) / 248 snd_pcm_lib_buffer_bytes(substream) /
241 snd_pcm_lib_period_bytes(substream), 249 snd_pcm_lib_period_bytes(substream),
242 substream->runtime->periods); 250 substream->runtime->periods,
251 chip->fmt_size);
243#endif 252#endif
244 pcsp_sync_stop(chip);
245 chip->playback_ptr = 0;
246 chip->period_ptr = 0;
247 chip->fmt_size =
248 snd_pcm_format_physical_width(substream->runtime->format) >> 3;
249 chip->is_signed = snd_pcm_format_signed(substream->runtime->format);
250 return 0; 253 return 0;
251} 254}
252 255
diff --git a/sound/drivers/pcsp/pcsp_mixer.c b/sound/drivers/pcsp/pcsp_mixer.c
index 199b03377142..903bc846763f 100644
--- a/sound/drivers/pcsp/pcsp_mixer.c
+++ b/sound/drivers/pcsp/pcsp_mixer.c
@@ -72,7 +72,7 @@ static int pcsp_treble_put(struct snd_kcontrol *kcontrol,
72 if (treble != chip->treble) { 72 if (treble != chip->treble) {
73 chip->treble = treble; 73 chip->treble = treble;
74#if PCSP_DEBUG 74#if PCSP_DEBUG
75 printk(KERN_INFO "PCSP: rate set to %i\n", PCSP_RATE()); 75 printk(KERN_INFO "PCSP: rate set to %li\n", PCSP_RATE());
76#endif 76#endif
77 changed = 1; 77 changed = 1;
78 } 78 }