struct hdmi_config cfg;
- struct clk *sys_clk;
struct regulator *vdda_hdmi_dac_reg;
bool core_enabled;
struct omap_video_timings *p;
struct omap_overlay_manager *mgr = hdmi.output.manager;
struct hdmi_wp_data *wp = &hdmi.wp;
+ struct dss_pll_clock_info hdmi_cinfo = { 0 };
r = hdmi_power_on_core(dssdev);
if (r)
DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);
- hdmi_pll_compute(&hdmi.pll, clk_get_rate(hdmi.sys_clk), p->pixelclock);
+ hdmi_pll_compute(&hdmi.pll, p->pixelclock, &hdmi_cinfo);
- r = hdmi_pll_enable(&hdmi.pll);
+ r = dss_pll_enable(&hdmi.pll.pll);
if (r) {
DSSERR("Failed to enable PLL\n");
goto err_pll_enable;
}
- r = hdmi_pll_set_config(&hdmi.pll);
+ r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo);
if (r) {
DSSERR("Failed to configure PLL\n");
goto err_pll_cfg;
}
- r = hdmi_phy_configure(&hdmi.phy, hdmi.pll.info.clkdco,
- hdmi.pll.info.clkout);
+ r = hdmi_phy_configure(&hdmi.phy, hdmi_cinfo.clkdco,
+ hdmi_cinfo.clkout[0]);
if (r) {
DSSDBG("Failed to configure PHY\n");
goto err_phy_cfg;
hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
err_phy_pwr:
err_pll_cfg:
- hdmi_pll_disable(&hdmi.pll);
+ dss_pll_disable(&hdmi.pll.pll);
err_pll_enable:
hdmi_power_off_core(dssdev);
return -EIO;
hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
- hdmi_pll_disable(&hdmi.pll);
+ dss_pll_disable(&hdmi.pll.pll);
hdmi_power_off_core(dssdev);
}
mutex_unlock(&hdmi.lock);
}
-static int hdmi_get_clocks(struct platform_device *pdev)
-{
- struct clk *clk;
-
- clk = devm_clk_get(&pdev->dev, "sys_clk");
- if (IS_ERR(clk)) {
- DSSERR("can't get sys_clk\n");
- return PTR_ERR(clk);
- }
-
- hdmi.sys_clk = clk;
-
- return 0;
-}
-
static int hdmi_connect(struct omap_dss_device *dssdev,
struct omap_dss_device *dst)
{
r = hdmi_phy_init(pdev, &hdmi.phy);
if (r)
- return r;
+ goto err;
r = hdmi4_core_init(pdev, &hdmi.core);
if (r)
- return r;
-
- r = hdmi_get_clocks(pdev);
- if (r) {
- DSSERR("can't get clocks\n");
- return r;
- }
+ goto err;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
DSSERR("platform_get_irq failed\n");
- return -ENODEV;
+ r = -ENODEV;
+ goto err;
}
r = devm_request_threaded_irq(&pdev->dev, irq,
IRQF_ONESHOT, "OMAP HDMI", &hdmi.wp);
if (r) {
DSSERR("HDMI IRQ request failed\n");
- return r;
+ goto err;
}
pm_runtime_enable(&pdev->dev);
dss_debugfs_create_file("hdmi", hdmi_dump_regs);
return 0;
+err:
+ hdmi_pll_uninit(&hdmi.pll);
+ return r;
}
static int __exit omapdss_hdmihw_remove(struct platform_device *pdev)
{
hdmi_uninit_output(pdev);
+ hdmi_pll_uninit(&hdmi.pll);
+
pm_runtime_disable(&pdev->dev);
return 0;
static int hdmi_runtime_suspend(struct device *dev)
{
- clk_disable_unprepare(hdmi.sys_clk);
-
dispc_runtime_put();
return 0;
if (r < 0)
return r;
- clk_prepare_enable(hdmi.sys_clk);
-
return 0;
}
struct hdmi_config cfg;
- struct clk *sys_clk;
struct regulator *vdda_reg;
+ struct clk *sys_clk;
bool core_enabled;
int r;
struct omap_video_timings *p;
struct omap_overlay_manager *mgr = hdmi.output.manager;
+ struct dss_pll_clock_info hdmi_cinfo = { 0 };
r = hdmi_power_on_core(dssdev);
if (r)
DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);
- hdmi_pll_compute(&hdmi.pll, clk_get_rate(hdmi.sys_clk), p->pixelclock);
+ hdmi_pll_compute(&hdmi.pll, p->pixelclock, &hdmi_cinfo);
/* disable and clear irqs */
hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);
hdmi_wp_set_irqstatus(&hdmi.wp,
hdmi_wp_get_irqstatus(&hdmi.wp));
- r = hdmi_pll_enable(&hdmi.pll);
+ r = dss_pll_enable(&hdmi.pll.pll);
if (r) {
DSSERR("Failed to enable PLL\n");
goto err_pll_enable;
}
- r = hdmi_pll_set_config(&hdmi.pll);
+ r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo);
if (r) {
DSSERR("Failed to configure PLL\n");
goto err_pll_cfg;
}
- r = hdmi_phy_configure(&hdmi.phy, hdmi.pll.info.clkdco,
- hdmi.pll.info.clkout);
+ r = hdmi_phy_configure(&hdmi.phy, hdmi_cinfo.clkdco,
+ hdmi_cinfo.clkout[0]);
if (r) {
DSSDBG("Failed to start PHY\n");
goto err_phy_cfg;
err_phy_pwr:
err_phy_cfg:
err_pll_cfg:
- hdmi_pll_disable(&hdmi.pll);
+ dss_pll_disable(&hdmi.pll.pll);
err_pll_enable:
hdmi_power_off_core(dssdev);
return -EIO;
hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
- hdmi_pll_disable(&hdmi.pll);
+ dss_pll_disable(&hdmi.pll.pll);
hdmi_power_off_core(dssdev);
}
mutex_unlock(&hdmi.lock);
}
-static int hdmi_get_clocks(struct platform_device *pdev)
-{
- struct clk *clk;
-
- clk = devm_clk_get(&pdev->dev, "sys_clk");
- if (IS_ERR(clk)) {
- DSSERR("can't get sys_clk\n");
- return PTR_ERR(clk);
- }
-
- hdmi.sys_clk = clk;
-
- return 0;
-}
-
static int hdmi_connect(struct omap_dss_device *dssdev,
struct omap_dss_device *dst)
{
r = hdmi_phy_init(pdev, &hdmi.phy);
if (r)
- return r;
+ goto err;
r = hdmi5_core_init(pdev, &hdmi.core);
if (r)
- return r;
-
- r = hdmi_get_clocks(pdev);
- if (r) {
- DSSERR("can't get clocks\n");
- return r;
- }
+ goto err;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
DSSERR("platform_get_irq failed\n");
- return -ENODEV;
+ r = -ENODEV;
+ goto err;
}
r = devm_request_threaded_irq(&pdev->dev, irq,
IRQF_ONESHOT, "OMAP HDMI", &hdmi.wp);
if (r) {
DSSERR("HDMI IRQ request failed\n");
- return r;
+ goto err;
}
pm_runtime_enable(&pdev->dev);
dss_debugfs_create_file("hdmi", hdmi_dump_regs);
return 0;
+err:
+ hdmi_pll_uninit(&hdmi.pll);
+ return r;
}
static int __exit omapdss_hdmihw_remove(struct platform_device *pdev)
{
hdmi_uninit_output(pdev);
+ hdmi_pll_uninit(&hdmi.pll);
+
pm_runtime_disable(&pdev->dev);
return 0;
static int hdmi_runtime_suspend(struct device *dev)
{
- clk_disable_unprepare(hdmi.sys_clk);
-
dispc_runtime_put();
return 0;
if (r < 0)
return r;
- clk_prepare_enable(hdmi.sys_clk);
-
return 0;
}
#include <linux/err.h>
#include <linux/io.h>
#include <linux/platform_device.h>
+#include <linux/clk.h>
+
#include <video/omapdss.h>
#include "dss.h"
#include "hdmi.h"
-struct hdmi_pll_features {
- bool has_refsel;
- bool sys_reset;
- unsigned long fint_min, fint_max;
- u16 regm_max;
- unsigned long dcofreq_low_min, dcofreq_low_max;
- unsigned long dcofreq_high_min, dcofreq_high_max;
-};
-
-static const struct hdmi_pll_features *pll_feat;
-
void hdmi_pll_dump(struct hdmi_pll_data *pll, struct seq_file *s)
{
#define DUMPPLL(r) seq_printf(s, "%-35s %08x\n", #r,\
DUMPPLL(PLLCTRL_CFG4);
}
-void hdmi_pll_compute(struct hdmi_pll_data *pll, unsigned long clkin,
- unsigned long target_tmds)
+void hdmi_pll_compute(struct hdmi_pll_data *pll,
+ unsigned long target_tmds, struct dss_pll_clock_info *pi)
{
- struct hdmi_pll_info *pi = &pll->info;
unsigned long fint, clkdco, clkout;
unsigned long target_bitclk, target_clkdco;
unsigned long min_dco;
unsigned n, m, mf, m2, sd;
+ unsigned long clkin;
+ const struct dss_pll_hw *hw = pll->pll.hw;
+
+ clkin = clk_get_rate(pll->pll.clkin);
DSSDBG("clkin %lu, target tmds %lu\n", clkin, target_tmds);
target_bitclk = target_tmds * 10;
/* Fint */
- n = DIV_ROUND_UP(clkin, pll_feat->fint_max);
+ n = DIV_ROUND_UP(clkin, hw->fint_max);
fint = clkin / n;
/* adjust m2 so that the clkdco will be high enough */
- min_dco = roundup(pll_feat->dcofreq_low_min, fint);
+ min_dco = roundup(hw->clkdco_min, fint);
m2 = DIV_ROUND_UP(min_dco, target_bitclk);
if (m2 == 0)
m2 = 1;
n, m, mf, m2, sd);
DSSDBG("Fint %lu, clkdco %lu, clkout %lu\n", fint, clkdco, clkout);
- pi->regn = n;
- pi->regm = m;
- pi->regmf = mf;
- pi->regm2 = m2;
- pi->regsd = sd;
+ pi->n = n;
+ pi->m = m;
+ pi->mf = mf;
+ pi->mX[0] = m2;
+ pi->sd = sd;
+ pi->fint = fint;
pi->clkdco = clkdco;
- pi->clkout = clkout;
-}
-
-int hdmi_pll_set_config(struct hdmi_pll_data *pll)
-{
- u32 r;
- struct hdmi_pll_info *fmt = &pll->info;
-
- /* PLL start always use manual mode */
- REG_FLD_MOD(pll->base, PLLCTRL_PLL_CONTROL, 0x0, 0, 0);
-
- r = hdmi_read_reg(pll->base, PLLCTRL_CFG1);
- r = FLD_MOD(r, fmt->regm, 20, 9); /* CFG1_PLL_REGM */
- r = FLD_MOD(r, fmt->regn - 1, 8, 1); /* CFG1_PLL_REGN */
- hdmi_write_reg(pll->base, PLLCTRL_CFG1, r);
-
- r = hdmi_read_reg(pll->base, PLLCTRL_CFG2);
-
- r = FLD_MOD(r, 0x0, 12, 12); /* PLL_HIGHFREQ divide by 2 */
- r = FLD_MOD(r, 0x1, 13, 13); /* PLL_REFEN */
- r = FLD_MOD(r, 0x0, 14, 14); /* PHY_CLKINEN de-assert during locking */
- if (pll_feat->has_refsel)
- r = FLD_MOD(r, 0x3, 22, 21); /* REFSEL = SYSCLK */
-
- if (fmt->clkdco > pll_feat->dcofreq_low_max)
- r = FLD_MOD(r, 0x4, 3, 1); /* 1000MHz and 2000MHz */
- else
- r = FLD_MOD(r, 0x2, 3, 1); /* 500MHz and 1000MHz */
-
- hdmi_write_reg(pll->base, PLLCTRL_CFG2, r);
-
- REG_FLD_MOD(pll->base, PLLCTRL_CFG3, fmt->regsd, 17, 10);
-
- r = hdmi_read_reg(pll->base, PLLCTRL_CFG4);
- r = FLD_MOD(r, fmt->regm2, 24, 18);
- r = FLD_MOD(r, fmt->regmf, 17, 0);
- hdmi_write_reg(pll->base, PLLCTRL_CFG4, r);
-
- /* go now */
- REG_FLD_MOD(pll->base, PLLCTRL_PLL_GO, 0x1, 0, 0);
-
- /* wait for bit change */
- if (hdmi_wait_for_bit_change(pll->base, PLLCTRL_PLL_GO,
- 0, 0, 0) != 0) {
- DSSERR("PLL GO bit not clearing\n");
- return -ETIMEDOUT;
- }
-
- /* Wait till the lock bit is set in PLL status */
- if (hdmi_wait_for_bit_change(pll->base,
- PLLCTRL_PLL_STATUS, 1, 1, 1) != 1) {
- DSSERR("cannot lock PLL\n");
- DSSERR("CFG1 0x%x\n",
- hdmi_read_reg(pll->base, PLLCTRL_CFG1));
- DSSERR("CFG2 0x%x\n",
- hdmi_read_reg(pll->base, PLLCTRL_CFG2));
- DSSERR("CFG4 0x%x\n",
- hdmi_read_reg(pll->base, PLLCTRL_CFG4));
- return -ETIMEDOUT;
- }
-
- DSSDBG("PLL locked!\n");
-
- return 0;
+ pi->clkout[0] = clkout;
}
-int hdmi_pll_enable(struct hdmi_pll_data *pll)
+static int hdmi_pll_enable(struct dss_pll *dsspll)
{
+ struct hdmi_pll_data *pll = container_of(dsspll, struct hdmi_pll_data, pll);
struct hdmi_wp_data *wp = pll->wp;
u16 r = 0;
return 0;
}
-void hdmi_pll_disable(struct hdmi_pll_data *pll)
+static void hdmi_pll_disable(struct dss_pll *dsspll)
{
+ struct hdmi_pll_data *pll = container_of(dsspll, struct hdmi_pll_data, pll);
struct hdmi_wp_data *wp = pll->wp;
hdmi_wp_set_pll_pwr(wp, HDMI_PLLPWRCMD_ALLOFF);
}
-static const struct hdmi_pll_features omap44xx_pll_feats = {
- .sys_reset = false,
- .fint_min = 500000,
- .fint_max = 2500000,
- .regm_max = 4095,
- .dcofreq_low_min = 500000000,
- .dcofreq_low_max = 1000000000,
- .dcofreq_high_min = 1000000000,
- .dcofreq_high_max = 2000000000,
+static const struct dss_pll_ops dsi_pll_ops = {
+ .enable = hdmi_pll_enable,
+ .disable = hdmi_pll_disable,
+ .set_config = dss_pll_write_config_type_b,
+};
+
+static const struct dss_pll_hw dss_omap4_hdmi_pll_hw = {
+ .n_max = 255,
+ .m_min = 20,
+ .m_max = 4095,
+ .mX_max = 127,
+ .fint_min = 500000,
+ .fint_max = 2500000,
+ .clkdco_max = 1800000000,
+
+ .clkdco_min = 500000000,
+ .clkdco_low = 1000000000,
+ .clkdco_max = 2000000000,
+
+ .n_msb = 8,
+ .n_lsb = 1,
+ .m_msb = 20,
+ .m_lsb = 9,
+
+ .mX_msb[0] = 24,
+ .mX_lsb[0] = 18,
+
+ .has_selfreqdco = true,
};
-static const struct hdmi_pll_features omap54xx_pll_feats = {
- .has_refsel = true,
- .sys_reset = true,
- .fint_min = 620000,
- .fint_max = 2500000,
- .regm_max = 2046,
- .dcofreq_low_min = 750000000,
- .dcofreq_low_max = 1500000000,
- .dcofreq_high_min = 1250000000,
- .dcofreq_high_max = 2500000000UL,
+static const struct dss_pll_hw dss_omap5_hdmi_pll_hw = {
+ .n_max = 255,
+ .m_min = 20,
+ .m_max = 2045,
+ .mX_max = 127,
+ .fint_min = 620000,
+ .fint_max = 2500000,
+ .clkdco_max = 1800000000,
+
+ .clkdco_min = 750000000,
+ .clkdco_low = 1500000000,
+ .clkdco_max = 2500000000UL,
+
+ .n_msb = 8,
+ .n_lsb = 1,
+ .m_msb = 20,
+ .m_lsb = 9,
+
+ .mX_msb[0] = 24,
+ .mX_lsb[0] = 18,
+
+ .has_selfreqdco = true,
+ .has_refsel = true,
};
-static int hdmi_pll_init_features(struct platform_device *pdev)
+static int dsi_init_pll_data(struct platform_device *pdev, struct hdmi_pll_data *hpll)
{
- struct hdmi_pll_features *dst;
- const struct hdmi_pll_features *src;
+ struct dss_pll *pll = &hpll->pll;
+ struct clk *clk;
+ int r;
- dst = devm_kzalloc(&pdev->dev, sizeof(*dst), GFP_KERNEL);
- if (!dst) {
- dev_err(&pdev->dev, "Failed to allocate HDMI PHY Features\n");
- return -ENOMEM;
+ clk = devm_clk_get(&pdev->dev, "sys_clk");
+ if (IS_ERR(clk)) {
+ DSSERR("can't get sys_clk\n");
+ return PTR_ERR(clk);
}
+ pll->name = "hdmi";
+ pll->base = hpll->base;
+ pll->clkin = clk;
+
switch (omapdss_get_version()) {
case OMAPDSS_VER_OMAP4430_ES1:
case OMAPDSS_VER_OMAP4430_ES2:
case OMAPDSS_VER_OMAP4:
- src = &omap44xx_pll_feats;
+ pll->hw = &dss_omap4_hdmi_pll_hw;
break;
case OMAPDSS_VER_OMAP5:
- src = &omap54xx_pll_feats;
+ pll->hw = &dss_omap5_hdmi_pll_hw;
break;
default:
return -ENODEV;
}
- memcpy(dst, src, sizeof(*dst));
- pll_feat = dst;
+ pll->ops = &dsi_pll_ops;
+
+ r = dss_pll_register(pll);
+ if (r)
+ return r;
return 0;
}
pll->wp = wp;
- r = hdmi_pll_init_features(pdev);
- if (r)
- return r;
-
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pll");
if (!res) {
DSSERR("can't get PLL mem resource\n");
return PTR_ERR(pll->base);
}
+ r = dsi_init_pll_data(pdev, pll);
+ if (r) {
+ DSSERR("failed to init HDMI PLL\n");
+ return r;
+ }
+
return 0;
}
+
+void hdmi_pll_uninit(struct hdmi_pll_data *hpll)
+{
+ struct dss_pll *pll = &hpll->pll;
+
+ dss_pll_unregister(pll);
+}
projects / cascardo / linux.git / commitdiff