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i2s : Set drive current depend rk3168 && rk3188

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邱建斌
2013-06-14 15:00:32 +08:00
parent 9bef917aa6
commit 1aff7944d4
1 changed files with 46 additions and 14 deletions
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60
sound/soc/rk29/rk30_i2s.c
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@@ -563,9 +563,11 @@ static int __devinit rockchip_i2s_probe(struct platform_device *pdev)
#elif defined(CONFIG_SND_I2S_USE_33V)
writel_relaxed(0x2000000,RK30_GRF_BASE + GRF_IO_CON4);
#endif
#if defined(CONFIG_ARCH_RK3066B) || defined(CONFIG_ARCH_RK3188)
//default 8ma 0xF000F = 12ma 0xF0005=4ma 0xF0000=2ma
writel_relaxed(0xF000A,RK30_GRF_BASE + GRF_IO_CON1);
#endif
I2S_DBG("Enter %s, %d pdev->id = %d >>>>>>>>>>>\n", __func__, __LINE__, pdev->id);
if(pdev->id >= MAX_I2S) {
@@ -683,19 +685,7 @@ static int __devinit rockchip_i2s_probe(struct platform_device *pdev)
ret = snd_soc_register_dai(&pdev->dev, dai);
if (ret != 0)
goto err_i2sv2;
#if 0
writel(0x0000000F, &(pheadi2s->I2S_TXCR));
writel(0x0000000F, &(pheadi2s->I2S_RXCR));
writel(0x00071f1F, &(pheadi2s->I2S_CKR));
writel(0x001F0110, &(pheadi2s->I2S_DMACR));
writel(0x00000003, &(pheadi2s->I2S_XFER));
while(1)
{
writel(0x5555aaaa, &(pheadi2s->I2S_TXDR));
// msleep(1);
// printk("-----------------------\n");
}
#endif
return 0;
err_i2sv2:
@@ -766,9 +756,50 @@ static int proc_i2s_show(struct seq_file *s, void *v)
printk("I2S_XFER = 0x%08X\n", readl(&(pheadi2s->I2S_XFER)));
printk("========Show I2S reg========\n");
#if 0
writel(0x0000000F, &(pheadi2s->I2S_TXCR));
writel(0x0000000F, &(pheadi2s->I2S_RXCR));
writel(0x00071f1F, &(pheadi2s->I2S_CKR));
writel(0x001F0110, &(pheadi2s->I2S_DMACR));
writel(0x00000003, &(pheadi2s->I2S_XFER));
while(1)
{
writel(0x5555aaaa, &(pheadi2s->I2S_TXDR));
}
#endif
return 0;
}
static ssize_t i2s_reg_write(struct file *file,
const char __user *user_buf, size_t count, loff_t *ppos)
{
#ifdef CONFIG_SND_RK29_SOC_I2S_8CH
struct rk29_i2s_info *i2s=&rk29_i2s[0];
#else
#ifdef CONFIG_SND_RK29_SOC_I2S_2CH
struct rk29_i2s_info *i2s=&rk29_i2s[1];
#else
struct rk29_i2s_info *i2s=&rk29_i2s[2];
#endif
#endif
char buf[32];
size_t buf_size;
char *start = buf;
unsigned long value;
buf_size = min(count, (sizeof(buf)-1));
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
buf[buf_size] = 0;
while (*start == ' ')
start++;
value = simple_strtoul(start, &start, 10);
printk("test --- freq = %ld ret=%d\n",value,clk_set_rate(i2s->iis_clk, value));
return buf_size;
}
static int proc_i2s_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_i2s_show, NULL);
@@ -777,6 +808,7 @@ static int proc_i2s_open(struct inode *inode, struct file *file)
static const struct file_operations proc_i2s_fops = {
.open = proc_i2s_open,
.read = seq_read,
.write = i2s_reg_write,
.llseek = seq_lseek,
.release = single_release,
};