forked from Minki/linux
Merge branch 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: ARM: mach-shmobile: clock-sh7372: remove bogus pllc2 clock toggling. ARM: mach-shmobile: clock-sh7372: remove unnecessary fsi clocks ARM: mach-shmobile: clock-sh7372: modify error code ARM: mach-shmobile: ap4evb: FSI clock use proper process for ak4642 ARM: mach-shmobile: ap4evb: FSI clock use proper process for HDMI ARM: mach-shmobile: clock-sh7372: remove fsidiv bogus disable ARM: mach-shmobile: sh7372 USB0/IIC1 MSTP fix
This commit is contained in:
Linus Torvalds
commit
d4d2ad948e
@ -567,38 +567,127 @@ static struct platform_device *qhd_devices[] __initdata = {
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/* FSI */
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#define IRQ_FSI evt2irq(0x1840)
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static int __fsi_set_rate(struct clk *clk, long rate, int enable)
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{
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int ret = 0;
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static int fsi_set_rate(int is_porta, int rate)
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if (rate <= 0)
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return ret;
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if (enable) {
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ret = clk_set_rate(clk, rate);
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if (0 == ret)
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ret = clk_enable(clk);
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} else {
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clk_disable(clk);
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}
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return ret;
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}
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static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
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{
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return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
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}
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static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
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{
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struct clk *fsia_ick;
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struct clk *fsiack;
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int ret = -EIO;
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fsia_ick = clk_get(dev, "icka");
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if (IS_ERR(fsia_ick))
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return PTR_ERR(fsia_ick);
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/*
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* FSIACK is connected to AK4642,
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* and use external clock pin from it.
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* it is parent of fsia_ick now.
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*/
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fsiack = clk_get_parent(fsia_ick);
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if (!fsiack)
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goto fsia_ick_out;
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/*
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* we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
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*
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** FIXME **
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* Because the freq_table of external clk (fsiack) are all 0,
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* the return value of clk_round_rate became 0.
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* So, it use __fsi_set_rate here.
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*/
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ret = __fsi_set_rate(fsiack, rate, enable);
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if (ret < 0)
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goto fsiack_out;
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ret = __fsi_set_round_rate(fsia_ick, rate, enable);
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if ((ret < 0) && enable)
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__fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
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fsiack_out:
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clk_put(fsiack);
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fsia_ick_out:
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clk_put(fsia_ick);
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return 0;
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}
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static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
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{
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struct clk *fsib_clk;
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struct clk *fdiv_clk = &sh7372_fsidivb_clk;
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long fsib_rate = 0;
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long fdiv_rate = 0;
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int ackmd_bpfmd;
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int ret;
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/* set_rate is not needed if port A */
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if (is_porta)
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return 0;
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fsib_clk = clk_get(NULL, "fsib_clk");
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if (IS_ERR(fsib_clk))
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return -EINVAL;
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switch (rate) {
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case 44100:
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clk_set_rate(fsib_clk, clk_round_rate(fsib_clk, 11283000));
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ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
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fsib_rate = rate * 256;
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ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
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break;
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case 48000:
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clk_set_rate(fsib_clk, clk_round_rate(fsib_clk, 85428000));
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clk_set_rate(fdiv_clk, clk_round_rate(fdiv_clk, 12204000));
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ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
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fsib_rate = 85428000; /* around 48kHz x 256 x 7 */
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fdiv_rate = rate * 256;
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ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
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break;
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default:
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pr_err("unsupported rate in FSI2 port B\n");
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ret = -EINVAL;
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break;
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return -EINVAL;
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}
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/* FSI B setting */
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fsib_clk = clk_get(dev, "ickb");
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if (IS_ERR(fsib_clk))
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return -EIO;
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ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
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clk_put(fsib_clk);
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if (ret < 0)
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return ret;
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/* FSI DIV setting */
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ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
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if (ret < 0) {
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/* disable FSI B */
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if (enable)
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__fsi_set_round_rate(fsib_clk, fsib_rate, 0);
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return ret;
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}
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return ackmd_bpfmd;
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}
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static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
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{
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int ret;
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if (is_porta)
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ret = fsi_ak4642_set_rate(dev, rate, enable);
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else
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ret = fsi_hdmi_set_rate(dev, rate, enable);
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return ret;
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}
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@ -880,6 +969,11 @@ static int __init hdmi_init_pm_clock(void)
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goto out;
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}
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ret = clk_enable(&sh7372_pllc2_clk);
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if (ret < 0) {
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pr_err("Cannot enable pllc2 clock\n");
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goto out;
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}
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pr_debug("PLLC2 set frequency %lu\n", rate);
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ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
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@ -896,23 +990,11 @@ out:
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device_initcall(hdmi_init_pm_clock);
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#define FSIACK_DUMMY_RATE 48000
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static int __init fsi_init_pm_clock(void)
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{
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struct clk *fsia_ick;
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int ret;
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/*
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* FSIACK is connected to AK4642,
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* and the rate is depend on playing sound rate.
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* So, set dummy rate (= 48k) here
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*/
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ret = clk_set_rate(&sh7372_fsiack_clk, FSIACK_DUMMY_RATE);
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if (ret < 0) {
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pr_err("Cannot set FSIACK dummy rate: %d\n", ret);
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return ret;
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}
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fsia_ick = clk_get(&fsi_device.dev, "icka");
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if (IS_ERR(fsia_ick)) {
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ret = PTR_ERR(fsia_ick);
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@ -921,16 +1003,9 @@ static int __init fsi_init_pm_clock(void)
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}
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ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
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if (ret < 0) {
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pr_err("Cannot set FSI-A parent: %d\n", ret);
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goto out;
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}
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ret = clk_set_rate(fsia_ick, FSIACK_DUMMY_RATE);
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if (ret < 0)
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pr_err("Cannot set FSI-A rate: %d\n", ret);
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pr_err("Cannot set FSI-A parent: %d\n", ret);
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out:
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clk_put(fsia_ick);
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return ret;
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@ -229,21 +229,13 @@ static int pllc2_set_rate(struct clk *clk, unsigned long rate)
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if (idx < 0)
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return idx;
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if (rate == clk->parent->rate) {
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pllc2_disable(clk);
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return 0;
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}
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if (rate == clk->parent->rate)
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return -EINVAL;
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value = __raw_readl(PLLC2CR) & ~(0x3f << 24);
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if (value & 0x80000000)
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pllc2_disable(clk);
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__raw_writel((value & ~0x80000000) | ((idx + 19) << 24), PLLC2CR);
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if (value & 0x80000000)
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return pllc2_enable(clk);
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return 0;
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}
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@ -452,10 +444,8 @@ static int fsidiv_enable(struct clk *clk)
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unsigned long value;
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value = __raw_readl(clk->mapping->base) >> 16;
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if (value < 2) {
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fsidiv_disable(clk);
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return -ENOENT;
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}
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if (value < 2)
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return -EIO;
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__raw_writel((value << 16) | 0x3, clk->mapping->base);
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@ -466,17 +456,12 @@ static int fsidiv_set_rate(struct clk *clk, unsigned long rate)
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{
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int idx;
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if (clk->parent->rate == rate) {
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fsidiv_disable(clk);
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return 0;
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}
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idx = (clk->parent->rate / rate) & 0xffff;
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if (idx < 2)
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return -ENOENT;
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return -EINVAL;
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__raw_writel(idx << 16, clk->mapping->base);
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return fsidiv_enable(clk);
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return 0;
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}
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static struct clk_ops fsidiv_clk_ops = {
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@ -607,8 +592,6 @@ static struct clk_lookup lookups[] = {
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CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]),
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CLKDEV_CON_ID("fmsi_clk", &div6_clks[DIV6_FMSI]),
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CLKDEV_CON_ID("fmso_clk", &div6_clks[DIV6_FMSO]),
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CLKDEV_CON_ID("fsia_clk", &div6_reparent_clks[DIV6_FSIA]),
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CLKDEV_CON_ID("fsib_clk", &div6_reparent_clks[DIV6_FSIB]),
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CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]),
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CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]),
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CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]),
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@ -645,8 +628,8 @@ static struct clk_lookup lookups[] = {
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CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */
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CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI2 */
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CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */
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CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP323]), /* USB0 */
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CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP323]), /* USB0 */
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CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP322]), /* USB0 */
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CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP322]), /* USB0 */
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CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
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CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
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CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */
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@ -85,7 +85,9 @@
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* ACK_MD (FSI2)
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* CKG1 (FSI)
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*
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* err: return value < 0
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* err : return value < 0
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* no change : return value == 0
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* change xMD : return value > 0
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*
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* 0x-00000AB
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*
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@ -111,7 +113,7 @@
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struct sh_fsi_platform_info {
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unsigned long porta_flags;
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unsigned long portb_flags;
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int (*set_rate)(int is_porta, int rate); /* for master mode */
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int (*set_rate)(struct device *dev, int is_porta, int rate, int enable);
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};
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#endif /* __SOUND_FSI_H */
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@ -132,6 +132,8 @@ struct fsi_priv {
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struct fsi_stream playback;
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struct fsi_stream capture;
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long rate;
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u32 mst_ctrl;
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};
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@ -854,10 +856,17 @@ static void fsi_dai_shutdown(struct snd_pcm_substream *substream,
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{
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struct fsi_priv *fsi = fsi_get_priv(substream);
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int is_play = fsi_is_play(substream);
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struct fsi_master *master = fsi_get_master(fsi);
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int (*set_rate)(struct device *dev, int is_porta, int rate, int enable);
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fsi_irq_disable(fsi, is_play);
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fsi_clk_ctrl(fsi, 0);
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set_rate = master->info->set_rate;
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if (set_rate && fsi->rate)
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set_rate(dai->dev, fsi_is_port_a(fsi), fsi->rate, 0);
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fsi->rate = 0;
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pm_runtime_put_sync(dai->dev);
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}
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@ -891,20 +900,20 @@ static int fsi_dai_hw_params(struct snd_pcm_substream *substream,
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{
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struct fsi_priv *fsi = fsi_get_priv(substream);
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struct fsi_master *master = fsi_get_master(fsi);
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int (*set_rate)(int is_porta, int rate) = master->info->set_rate;
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int (*set_rate)(struct device *dev, int is_porta, int rate, int enable);
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int fsi_ver = master->core->ver;
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int is_play = fsi_is_play(substream);
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long rate = params_rate(params);
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int ret;
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/* if slave mode, set_rate is not needed */
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if (!fsi_is_master_mode(fsi, is_play))
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set_rate = master->info->set_rate;
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if (!set_rate)
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return 0;
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/* it is error if no set_rate */
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if (!set_rate)
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return -EIO;
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ret = set_rate(dai->dev, fsi_is_port_a(fsi), rate, 1);
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if (ret < 0) /* error */
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return ret;
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ret = set_rate(fsi_is_port_a(fsi), params_rate(params));
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fsi->rate = rate;
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if (ret > 0) {
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u32 data = 0;
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