#include <mach/dsp_common.h>
-#if defined(CONFIG_SPI_TSC2301_AUDIO) && defined(CONFIG_SND_OMAP24XX_EAC)
-#define AUDIO_ENABLED
-
-static struct clk *sys_clkout2;
-static struct clk *sys_clkout2_src;
-static struct clk *func96m_clk;
-static struct device *eac_device;
-static struct device *tsc2301_device;
-
-static int enable_audio;
-static int audio_ok;
-static spinlock_t audio_lock;
-
-/*
- * Leaving EAC and sys_clkout2 pins multiplexed to those subsystems results
- * in about 2 mA extra current leak when audios are powered down. The
- * workaround is to multiplex them to protected mode (with pull-ups enabled)
- * whenever audio is not being used.
- */
-static int eac_mux_disabled = 0;
-static int clkout2_mux_disabled = 0;
-static u32 saved_mux[2];
-
-static void n800_enable_eac_mux(void)
-{
- if (!eac_mux_disabled)
- return;
- __raw_writel(saved_mux[1], OMAP2_IO_ADDRESS(0x48000124));
- eac_mux_disabled = 0;
-}
-
-static void n800_disable_eac_mux(void)
-{
- if (eac_mux_disabled) {
- WARN_ON(eac_mux_disabled);
- return;
- }
- saved_mux[1] = __raw_readl(OMAP2_IO_ADDRESS(0x48000124));
- __raw_writel(0x1f1f1f1f, OMAP2_IO_ADDRESS(0x48000124));
- eac_mux_disabled = 1;
-}
-
-static void n800_enable_clkout2_mux(void)
-{
- if (!clkout2_mux_disabled)
- return;
- __raw_writel(saved_mux[0], OMAP2_IO_ADDRESS(0x480000e8));
- clkout2_mux_disabled = 0;
-}
-
-static void n800_disable_clkout2_mux(void)
-{
- u32 l;
-
- if (clkout2_mux_disabled) {
- WARN_ON(clkout2_mux_disabled);
- return;
- }
- saved_mux[0] = __raw_readl(OMAP2_IO_ADDRESS(0x480000e8));
- l = saved_mux[0] & ~0xff;
- l |= 0x1f;
- __raw_writel(l, OMAP2_IO_ADDRESS(0x480000e8));
- clkout2_mux_disabled = 1;
-}
-
-static int n800_eac_enable_ext_clocks(struct device *dev)
-{
- BUG_ON(tsc2301_device == NULL);
- n800_enable_eac_mux();
- tsc2301_mixer_enable_mclk(tsc2301_device);
-
- return 0;
-}
-
-static void n800_eac_disable_ext_clocks(struct device *dev)
-{
- BUG_ON(tsc2301_device == NULL);
- tsc2301_mixer_disable_mclk(tsc2301_device);
- n800_disable_eac_mux();
-}
-
-static int n800_audio_set_power(void *pdata, int dac, int adc)
-{
- BUG_ON(pdata != tsc2301_device);
- tsc2301_mixer_set_power(tsc2301_device, dac, adc);
-
- return 0;
-}
-
-static int n800_audio_register_controls(void *pdata, struct snd_card *card)
-{
- BUG_ON(pdata != tsc2301_device);
- return tsc2301_mixer_register_controls(tsc2301_device, card);
-}
-
-static struct eac_codec n800_eac_codec = {
- .mclk_src = EAC_MCLK_EXT_2x12288000,
- .codec_mode = EAC_CODEC_I2S_MASTER,
- .codec_conf.i2s.polarity_changed_mode = 0,
- .codec_conf.i2s.sync_delay_enable = 0,
- .default_rate = 48000,
- .set_power = n800_audio_set_power,
- .register_controls = n800_audio_register_controls,
- .short_name = "TSC2301",
-};
-
-static int n800_register_codec(void)
-{
- int r, do_enable = 0;
- unsigned long flags;
-
- n800_eac_codec.private_data = tsc2301_device;
- r = eac_register_codec(eac_device, &n800_eac_codec);
- if (r < 0)
- return r;
- spin_lock_irqsave(&audio_lock, flags);
- audio_ok = 1;
- if (enable_audio)
- do_enable = 1;
- spin_unlock_irqrestore(&audio_lock, flags);
- if (do_enable)
- eac_set_mode(eac_device, 1, 1);
- return 0;
-}
-
-static void n800_unregister_codec(void)
-{
- audio_ok = 0;
- eac_unregister_codec(eac_device);
- eac_set_mode(eac_device, 0, 0);
-}
-
-static int n800_eac_init(struct device *dev)
-{
- int r;
-
- BUG_ON(eac_device != NULL);
- eac_device = dev;
- if (tsc2301_device != NULL) {
- r = n800_register_codec();
- if (r < 0)
- return r;
- }
-
- return 0;
-}
-
-static void n800_eac_cleanup(struct device *dev)
-{
- eac_device = NULL;
- if (tsc2301_device != NULL)
- n800_unregister_codec();
-}
-
-static int n800_codec_get_clocks(struct device *dev)
-{
- sys_clkout2_src = clk_get(dev, "sys_clkout2_src");
- if (IS_ERR(sys_clkout2_src)) {
- dev_err(dev, "Could not get sys_clkout2_src clock\n");
- return -ENODEV;
- }
- sys_clkout2 = clk_get(dev, "sys_clkout2");
- if (IS_ERR(sys_clkout2)) {
- dev_err(dev, "Could not get sys_clkout2 clock\n");
- clk_put(sys_clkout2_src);
- return -ENODEV;
- }
- /* configure 12 MHz output on SYS_CLKOUT2. Therefore we must use
- * 96 MHz as its parent in order to get 12 MHz */
- func96m_clk = clk_get(dev, "func_96m_ck");
- if (IS_ERR(func96m_clk)) {
- dev_err(dev, "Could not get func 96M clock\n");
- clk_put(sys_clkout2);
- clk_put(sys_clkout2_src);
- return -ENODEV;
- }
-
- clk_set_parent(sys_clkout2_src, func96m_clk);
- clk_set_rate(sys_clkout2, 12000000);
-
- return 0;
-}
-
-static void n800_codec_put_clocks(struct device *dev)
-{
- clk_put(func96m_clk);
- clk_put(sys_clkout2);
- clk_put(sys_clkout2_src);
-}
-
-static int n800_codec_enable_clock(struct device *dev)
-{
- n800_enable_clkout2_mux();
- return clk_enable(sys_clkout2);
-}
-
-static void n800_codec_disable_clock(struct device *dev)
-{
- clk_disable(sys_clkout2);
- n800_disable_clkout2_mux();
-}
-
-static int n800_codec_init(struct device *dev)
-{
- int r;
-
- BUG_ON(tsc2301_device != NULL);
- tsc2301_device = dev;
- if ((r = n800_codec_get_clocks(dev)) < 0)
- return r;
- if (eac_device != NULL) {
- r = n800_register_codec();
- if (r < 0) {
- n800_codec_put_clocks(dev);
- return r;
- }
- }
- return 0;
-}
-
-static void n800_codec_cleanup(struct device *dev)
-{
- tsc2301_device = NULL;
- if (eac_device != NULL)
- n800_unregister_codec();
- n800_codec_put_clocks(dev);
-}
-
-static struct eac_platform_data n800_eac_data = {
- .init = n800_eac_init,
- .cleanup = n800_eac_cleanup,
- .enable_ext_clocks = n800_eac_enable_ext_clocks,
- .disable_ext_clocks = n800_eac_disable_ext_clocks,
-};
-
-static const struct tsc2301_mixer_gpio n800_mixer_gpios[] = {
- {
- .name = "Headset Amplifier",
- .gpio = 1,
- .deactivate_on_pd = 1,
- }, {
- .name = "Speaker Amplifier",
- .gpio = 2,
- .def_enable = 1,
- .deactivate_on_pd = 1,
- }, {
- .name = "Headset Mic Select",
- .gpio = 3,
- }
-};
-
-static struct platform_device retu_headset_device = {
- .name = "retu-headset",
- .id = -1,
- .dev = {
- .release = NULL,
- },
-};
-
void __init n800_audio_init(struct tsc2301_platform_data *tc)
{
- spin_lock_init(&audio_lock);
-
- if (platform_device_register(&retu_headset_device) < 0)
- return;
- omap_init_eac(&n800_eac_data);
-
- tc->pll_pdc = 7;
- tc->pll_a = 7;
- tc->pll_n = 9;
- tc->pll_output = 1;
- tc->mclk_ratio = TSC2301_MCLK_256xFS;
- tc->i2s_sample_rate = TSC2301_I2S_SR_48000;
- tc->i2s_format = TSC2301_I2S_FORMAT0;
- tc->power_down_blocks = TSC2301_REG_PD_MISC_MOPD;
- tc->mixer_gpios = n800_mixer_gpios;
- tc->n_mixer_gpios = ARRAY_SIZE(n800_mixer_gpios);
- tc->codec_init = n800_codec_init;
- tc->codec_cleanup = n800_codec_cleanup;
- tc->enable_clock = n800_codec_enable_clock;
- tc->disable_clock = n800_codec_disable_clock;
}
-#else
-
-void __init n800_audio_init(struct tsc2301_platform_data *tc)
-{
-}
-
-#endif
-
#ifdef CONFIG_OMAP_DSP
int n800_audio_enable(struct dsp_kfunc_device *kdev, int stage)
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