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Diffstat (limited to 'target/linux/pxa/patches-2.6.21/027-ucb1400-ac97-audio.patch')
-rw-r--r--target/linux/pxa/patches-2.6.21/027-ucb1400-ac97-audio.patch294
1 files changed, 0 insertions, 294 deletions
diff --git a/target/linux/pxa/patches-2.6.21/027-ucb1400-ac97-audio.patch b/target/linux/pxa/patches-2.6.21/027-ucb1400-ac97-audio.patch
deleted file mode 100644
index e1686da2ba..0000000000
--- a/target/linux/pxa/patches-2.6.21/027-ucb1400-ac97-audio.patch
+++ /dev/null
@@ -1,294 +0,0 @@
---- a/sound/pci/ac97/ac97_codec.c
-+++ b/sound/pci/ac97/ac97_codec.c
-@@ -158,7 +158,7 @@ static const struct ac97_codec_id snd_ac
- { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
- { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
- { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
--{ 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
-+{ 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL, AC97_HAS_NO_STD_PCM },
- { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
- { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
- { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
---- a/sound/pci/ac97/ac97_patch.c
-+++ b/sound/pci/ac97/ac97_patch.c
-@@ -29,6 +29,10 @@
- #include <linux/slab.h>
- #include <linux/mutex.h>
-
-+#include <linux/proc_fs.h>
-+#include <linux/string.h>
-+#include <linux/ctype.h>
-+
- #include <sound/core.h>
- #include <sound/pcm.h>
- #include <sound/control.h>
-@@ -406,6 +410,227 @@ int patch_yamaha_ymf753(struct snd_ac97
- }
-
- /*
-+ * UCB1400 codec
-+ */
-+
-+#define AC97_UCB1400_FCSR1 0x6a
-+#define AC97_UCB1400_FCSR2 0x6c
-+
-+static const struct snd_kcontrol_new ucb1400_snd_ac97_controls[] = {
-+ AC97_SINGLE("Tone Control - Bass", AC97_UCB1400_FCSR1, 11, 4, 0),
-+ AC97_SINGLE("Tone Control - Treble", AC97_UCB1400_FCSR1, 9, 2, 0),
-+ AC97_SINGLE("Headphone Playback Switch", AC97_UCB1400_FCSR1, 6, 1, 0),
-+ AC97_SINGLE("De-emphasis", AC97_UCB1400_FCSR1, 5, 1, 0),
-+ AC97_SINGLE("DC Filter", AC97_UCB1400_FCSR1, 4, 1, 0),
-+ AC97_SINGLE("Hi-pass Filter", AC97_UCB1400_FCSR1, 3, 1, 0),
-+ AC97_SINGLE("ADC Filter", AC97_UCB1400_FCSR2, 12, 1, 0),
-+};
-+
-+#define NUM_GPIO_LINES 10
-+
-+static struct proc_dir_entry *proc_gpio_parent;
-+static struct proc_dir_entry *proc_gpios[NUM_GPIO_LINES];
-+
-+typedef struct
-+{
-+ int gpio;
-+ char name[32];
-+ struct snd_ac97 *ac97;
-+} gpio_summary_type;
-+
-+static gpio_summary_type gpio_summaries[NUM_GPIO_LINES] =
-+{
-+ { 0, "UCB1400-0-0" },
-+ { 1, "UCB1400-0-1" },
-+ { 2, "UCB1400-0-2" },
-+ { 3, "UCB1400-0-3" },
-+ { 4, "UCB1400-0-4" },
-+ { 5, "UCB1400-0-5" },
-+ { 6, "UCB1400-0-6" },
-+ { 7, "UCB1400-0-7" },
-+ { 8, "UCB1400-0-8" },
-+ { 9, "UCB1400-0-9" }
-+};
-+
-+
-+static int proc_ucb1400_ac97_gpio_write(struct file *file, const char __user *buf,
-+ unsigned long count, void *data)
-+{
-+ char *cur, lbuf[count + 1];
-+ gpio_summary_type *summary = data;
-+ u32 direction_is_out, operation_is_set;
-+ int i = summary->gpio;
-+ u16 dir, value;
-+
-+ if (!capable(CAP_SYS_ADMIN))
-+ return -EACCES;
-+
-+ memset(lbuf, 0, count + 1);
-+
-+ if (copy_from_user(lbuf, buf, count))
-+ return -EFAULT;
-+
-+ cur = lbuf;
-+
-+ // Get current values
-+ direction_is_out = !!(snd_ac97_read(summary->ac97, 0x5c) & (0x0001 << i));
-+ operation_is_set = !!(snd_ac97_read(summary->ac97, 0x5a) & (0x0001 << i));
-+ while(1)
-+ {
-+ // We accept options: {GPIO|AF1|AF2|AF3}, {set|clear}, {in|out}
-+ // Anything else is an error
-+ while(cur[0] && (isspace(cur[0]) || ispunct(cur[0]))) cur = &(cur[1]);
-+
-+ if('\0' == cur[0]) break;
-+
-+ // Ok, so now we're pointing at the start of something
-+ switch(cur[0])
-+ {
-+ case 'G':
-+ // Check that next is "PIO" -- '\0' will cause safe short-circuit if end of buf
-+ if(!(cur[1] == 'P' && cur[2] == 'I' && cur[3] == 'O')) goto parse_error;
-+ cur = &(cur[4]);
-+ break;
-+ case 's':
-+ if(!(cur[1] == 'e' && cur[2] == 't')) goto parse_error;
-+ operation_is_set = 1;
-+ cur = &(cur[3]);
-+ break;
-+ case 'c':
-+ if(!(cur[1] == 'l' && cur[2] == 'e' && cur[3] == 'a' && cur[4] == 'r')) goto
-+parse_error;
-+ operation_is_set = 0;
-+ cur = &(cur[5]);
-+ break;
-+ case 'i':
-+ if(!(cur[1] == 'n')) goto parse_error;
-+ direction_is_out = 0;
-+ cur = &(cur[2]);
-+ break;
-+ case 'o':
-+ if(!(cur[1] == 'u' && cur[2] == 't')) goto parse_error;
-+ direction_is_out = 1;
-+ cur = &(cur[3]);
-+ break;
-+ default: goto parse_error;
-+ }
-+ }
-+
-+ // set/get value
-+ dir = snd_ac97_read(summary->ac97, 0x5c);
-+ value = snd_ac97_read(summary->ac97, 0x5a);
-+ if (direction_is_out)
-+ {
-+ dir |= 0x0001 << i;
-+ if (operation_is_set)
-+ {
-+ value |= 0x0001 << i;
-+ }
-+ else
-+ {
-+ value &= ~(0x0001 << i);
-+ }
-+
-+ snd_ac97_write(summary->ac97, 0x5c, dir);
-+ snd_ac97_write(summary->ac97, 0x5a, value);
-+ }
-+ else // direction in
-+ {
-+ dir &= ~(0x0001 << i);
-+ snd_ac97_write(summary->ac97, 0x5c, dir);
-+ operation_is_set = snd_ac97_read(summary->ac97, 0x5a) & ~(0x0001 << i);
-+ }
-+
-+#ifdef CONFIG_PROC_GPIO_DEBUG
-+ printk(KERN_INFO "Set (%s,%s,%s) via /proc/gpio/%s\n",
-+ "GPIO",
-+ direction_is_out ? "out" : "in",
-+ operation_is_set ? "set" : "clear",
-+ summary->name);
-+#endif
-+
-+ return count;
-+
-+parse_error:
-+ printk(KERN_CRIT "Parse error: Expect \"GPIO|[set|clear]|[in|out] ...\"\n");
-+ return -EINVAL;
-+}
-+
-+static int proc_ucb1400_ac97_gpio_read(char *page, char **start, off_t off,
-+ int count, int *eof, void *data)
-+{
-+ char *p = page;
-+ gpio_summary_type *summary = data;
-+ int len, i; /*, af;*/
-+ i = summary->gpio;
-+
-+ p += sprintf(p, "%d\t%s\t%s\t%s\n", i,
-+ "GPIO",
-+ (snd_ac97_read(summary->ac97, 0x5c) & (0x0001 << i)) ? "out" : "in",
-+ (snd_ac97_read(summary->ac97, 0x5a) & (0x0001 << i)) ? "set" : "clear");
-+
-+ len = (p - page) - off;
-+
-+ if(len < 0)
-+ {
-+ len = 0;
-+ }
-+
-+ *eof = (len <= count) ? 1 : 0;
-+ *start = page + off;
-+
-+ return len;
-+}
-+
-+int patch_ucb1400(struct snd_ac97 * ac97)
-+{
-+ int err, i;
-+
-+ proc_gpio_parent = proc_mkdir("gpio", NULL);
-+ if(!proc_gpio_parent) return 0;
-+
-+ for(i=0; i < NUM_GPIO_LINES; i++)
-+ {
-+ proc_gpios[i] = create_proc_entry(gpio_summaries[i].name, 0644, proc_gpio_parent);
-+ if(proc_gpios[i])
-+ {
-+ gpio_summaries[i].ac97 = ac97;
-+ proc_gpios[i]->data = &gpio_summaries[i];
-+ proc_gpios[i]->read_proc = proc_ucb1400_ac97_gpio_read;
-+ proc_gpios[i]->write_proc = proc_ucb1400_ac97_gpio_write;
-+ }
-+ }
-+
-+ for(i = 0; i < ARRAY_SIZE(ucb1400_snd_ac97_controls); i++) {
-+ if((err = snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&ucb1400_snd_ac97_controls[i], ac97))) < 0)
-+ return err;
-+ }
-+
-+ snd_ac97_write_cache(ac97, AC97_UCB1400_FCSR1,
-+ (0 << 11) | // 0 base boost
-+ (0 << 9) | // 0 treble boost
-+ (0 << 7) | // Mode = flat
-+ (1 << 6) | // Headphones enable
-+ (0 << 5) | // De-emphasis disabled
-+ (1 << 4) | // DC filter enabled
-+ (1 << 3) | // Hi-pass filter enabled
-+ (0 << 2) | // disable interrupt signalling via GPIO_INT
-+ (1 << 0) // clear ADC overflow status if set
-+ );
-+
-+ snd_ac97_write_cache(ac97, AC97_UCB1400_FCSR2,
-+ (0 << 15) | // must be 0
-+ (0 << 13) | // must be 0
-+ (1 << 12) | // ADC filter enabled
-+ (0 << 10) | // must be 0
-+ (0 << 4) | // Smart low power mode on neither Codec nor PLL
-+ (0 << 0) // must be 0
-+ );
-+
-+ return 0;
-+}
-+
-+/*
- * May 2, 2003 Liam Girdwood <liam.girdwood@wolfsonmicro.com>
- * removed broken wolfson00 patch.
- * added support for WM9705,WM9708,WM9709,WM9710,WM9711,WM9712 and WM9717.
-@@ -3408,41 +3633,3 @@ int patch_lm4550(struct snd_ac97 *ac97)
- ac97->res_table = lm4550_restbl;
- return 0;
- }
--
--/*
-- * UCB1400 codec (http://www.semiconductors.philips.com/acrobat_download/datasheets/UCB1400-02.pdf)
-- */
--static const struct snd_kcontrol_new snd_ac97_controls_ucb1400[] = {
--/* enable/disable headphone driver which allows direct connection to
-- stereo headphone without the use of external DC blocking
-- capacitors */
--AC97_SINGLE("Headphone Driver", 0x6a, 6, 1, 0),
--/* Filter used to compensate the DC offset is added in the ADC to remove idle
-- tones from the audio band. */
--AC97_SINGLE("DC Filter", 0x6a, 4, 1, 0),
--/* Control smart-low-power mode feature. Allows automatic power down
-- of unused blocks in the ADC analog front end and the PLL. */
--AC97_SINGLE("Smart Low Power Mode", 0x6c, 4, 3, 0),
--};
--
--static int patch_ucb1400_specific(struct snd_ac97 * ac97)
--{
-- int idx, err;
-- for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_ucb1400); idx++)
-- if ((err = snd_ctl_add(ac97->bus->card, snd_ctl_new1(&snd_ac97_controls_ucb1400[idx], ac97))) < 0)
-- return err;
-- return 0;
--}
--
--static struct snd_ac97_build_ops patch_ucb1400_ops = {
-- .build_specific = patch_ucb1400_specific,
--};
--
--int patch_ucb1400(struct snd_ac97 * ac97)
--{
-- ac97->build_ops = &patch_ucb1400_ops;
-- /* enable headphone driver and smart low power mode by default */
-- snd_ac97_write(ac97, 0x6a, 0x0050);
-- snd_ac97_write(ac97, 0x6c, 0x0030);
-- return 0;
--}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 03:28:59 +0000