summaryrefslogtreecommitdiff
path: root/drivers/video/fbdev/omap2/dss/dss.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/fbdev/omap2/dss/dss.h')
-rw-r--r--drivers/video/fbdev/omap2/dss/dss.h225
1 files changed, 117 insertions, 108 deletions
diff --git a/drivers/video/fbdev/omap2/dss/dss.h b/drivers/video/fbdev/omap2/dss/dss.h
index 8ff22c134c62..14fb0c23f4a2 100644
--- a/drivers/video/fbdev/omap2/dss/dss.h
+++ b/drivers/video/fbdev/omap2/dss/dss.h
@@ -100,35 +100,77 @@ enum dss_writeback_channel {
DSS_WB_LCD3_MGR = 7,
};
-struct dispc_clock_info {
+struct dss_pll;
+
+#define DSS_PLL_MAX_HSDIVS 4
+
+/*
+ * Type-A PLLs: clkout[]/mX[] refer to hsdiv outputs m4, m5, m6, m7.
+ * Type-B PLLs: clkout[0] refers to m2.
+ */
+struct dss_pll_clock_info {
/* rates that we get with dividers below */
- unsigned long lck;
- unsigned long pck;
+ unsigned long fint;
+ unsigned long clkdco;
+ unsigned long clkout[DSS_PLL_MAX_HSDIVS];
/* dividers */
- u16 lck_div;
- u16 pck_div;
+ u16 n;
+ u16 m;
+ u32 mf;
+ u16 mX[DSS_PLL_MAX_HSDIVS];
+ u16 sd;
+};
+
+struct dss_pll_ops {
+ int (*enable)(struct dss_pll *pll);
+ void (*disable)(struct dss_pll *pll);
+ int (*set_config)(struct dss_pll *pll,
+ const struct dss_pll_clock_info *cinfo);
+};
+
+struct dss_pll_hw {
+ unsigned n_max;
+ unsigned m_min;
+ unsigned m_max;
+ unsigned mX_max;
+
+ unsigned long fint_min, fint_max;
+ unsigned long clkdco_min, clkdco_low, clkdco_max;
+
+ u8 n_msb, n_lsb;
+ u8 m_msb, m_lsb;
+ u8 mX_msb[DSS_PLL_MAX_HSDIVS], mX_lsb[DSS_PLL_MAX_HSDIVS];
+
+ bool has_stopmode;
+ bool has_freqsel;
+ bool has_selfreqdco;
+ bool has_refsel;
};
-struct dsi_clock_info {
+struct dss_pll {
+ const char *name;
+
+ struct clk *clkin;
+ struct regulator *regulator;
+
+ void __iomem *base;
+
+ const struct dss_pll_hw *hw;
+
+ const struct dss_pll_ops *ops;
+
+ struct dss_pll_clock_info cinfo;
+};
+
+struct dispc_clock_info {
/* rates that we get with dividers below */
- unsigned long fint;
- unsigned long clkin4ddr;
- unsigned long clkin;
- unsigned long dsi_pll_hsdiv_dispc_clk; /* OMAP3: DSI1_PLL_CLK
- * OMAP4: PLLx_CLK1 */
- unsigned long dsi_pll_hsdiv_dsi_clk; /* OMAP3: DSI2_PLL_CLK
- * OMAP4: PLLx_CLK2 */
- unsigned long lp_clk;
+ unsigned long lck;
+ unsigned long pck;
/* dividers */
- u16 regn;
- u16 regm;
- u16 regm_dispc; /* OMAP3: REGM3
- * OMAP4: REGM4 */
- u16 regm_dsi; /* OMAP3: REGM4
- * OMAP4: REGM5 */
- u16 lp_clk_div;
+ u16 lck_div;
+ u16 pck_div;
};
struct dss_lcd_mgr_config {
@@ -209,12 +251,16 @@ int dss_init_platform_driver(void) __init;
void dss_uninit_platform_driver(void);
unsigned long dss_get_dispc_clk_rate(void);
-int dss_dpi_select_source(enum omap_channel channel);
+int dss_dpi_select_source(int port, enum omap_channel channel);
void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select);
enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void);
const char *dss_get_generic_clk_source_name(enum omap_dss_clk_source clk_src);
void dss_dump_clocks(struct seq_file *s);
+/* dss-of */
+struct device_node *dss_of_port_get_parent_device(struct device_node *port);
+u32 dss_of_port_get_port_number(struct device_node *port);
+
#if defined(CONFIG_OMAP2_DSS_DEBUGFS)
void dss_debug_dump_clocks(struct seq_file *s);
#endif
@@ -244,16 +290,22 @@ bool dss_div_calc(unsigned long pck, unsigned long fck_min,
int sdi_init_platform_driver(void) __init;
void sdi_uninit_platform_driver(void) __exit;
+#ifdef CONFIG_OMAP2_DSS_SDI
int sdi_init_port(struct platform_device *pdev, struct device_node *port) __init;
-void sdi_uninit_port(void) __exit;
+void sdi_uninit_port(struct device_node *port) __exit;
+#else
+static inline int __init sdi_init_port(struct platform_device *pdev,
+ struct device_node *port)
+{
+ return 0;
+}
+static inline void __exit sdi_uninit_port(struct device_node *port)
+{
+}
+#endif
/* DSI */
-typedef bool (*dsi_pll_calc_func)(int regn, int regm, unsigned long fint,
- unsigned long pll, void *data);
-typedef bool (*dsi_hsdiv_calc_func)(int regm_dispc, unsigned long dispc,
- void *data);
-
#ifdef CONFIG_OMAP2_DSS_DSI
struct dentry;
@@ -262,104 +314,36 @@ struct file_operations;
int dsi_init_platform_driver(void) __init;
void dsi_uninit_platform_driver(void) __exit;
-int dsi_runtime_get(struct platform_device *dsidev);
-void dsi_runtime_put(struct platform_device *dsidev);
-
void dsi_dump_clocks(struct seq_file *s);
void dsi_irq_handler(void);
u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt);
-unsigned long dsi_get_pll_clkin(struct platform_device *dsidev);
-
-bool dsi_hsdiv_calc(struct platform_device *dsidev, unsigned long pll,
- unsigned long out_min, dsi_hsdiv_calc_func func, void *data);
-bool dsi_pll_calc(struct platform_device *dsidev, unsigned long clkin,
- unsigned long pll_min, unsigned long pll_max,
- dsi_pll_calc_func func, void *data);
-
-unsigned long dsi_get_pll_hsdiv_dispc_rate(struct platform_device *dsidev);
-int dsi_pll_set_clock_div(struct platform_device *dsidev,
- struct dsi_clock_info *cinfo);
-int dsi_pll_init(struct platform_device *dsidev, bool enable_hsclk,
- bool enable_hsdiv);
-void dsi_pll_uninit(struct platform_device *dsidev, bool disconnect_lanes);
-void dsi_wait_pll_hsdiv_dispc_active(struct platform_device *dsidev);
-void dsi_wait_pll_hsdiv_dsi_active(struct platform_device *dsidev);
-struct platform_device *dsi_get_dsidev_from_id(int module);
#else
-static inline int dsi_runtime_get(struct platform_device *dsidev)
-{
- return 0;
-}
-static inline void dsi_runtime_put(struct platform_device *dsidev)
-{
-}
static inline u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt)
{
WARN("%s: DSI not compiled in, returning pixel_size as 0\n", __func__);
return 0;
}
-static inline unsigned long dsi_get_pll_hsdiv_dispc_rate(struct platform_device *dsidev)
-{
- WARN("%s: DSI not compiled in, returning rate as 0\n", __func__);
- return 0;
-}
-static inline int dsi_pll_set_clock_div(struct platform_device *dsidev,
- struct dsi_clock_info *cinfo)
-{
- WARN("%s: DSI not compiled in\n", __func__);
- return -ENODEV;
-}
-static inline int dsi_pll_init(struct platform_device *dsidev,
- bool enable_hsclk, bool enable_hsdiv)
-{
- WARN("%s: DSI not compiled in\n", __func__);
- return -ENODEV;
-}
-static inline void dsi_pll_uninit(struct platform_device *dsidev,
- bool disconnect_lanes)
-{
-}
-static inline void dsi_wait_pll_hsdiv_dispc_active(struct platform_device *dsidev)
-{
-}
-static inline void dsi_wait_pll_hsdiv_dsi_active(struct platform_device *dsidev)
-{
-}
-static inline struct platform_device *dsi_get_dsidev_from_id(int module)
-{
- return NULL;
-}
-
-static inline unsigned long dsi_get_pll_clkin(struct platform_device *dsidev)
-{
- return 0;
-}
-
-static inline bool dsi_hsdiv_calc(struct platform_device *dsidev,
- unsigned long pll, unsigned long out_min,
- dsi_hsdiv_calc_func func, void *data)
-{
- return false;
-}
-
-static inline bool dsi_pll_calc(struct platform_device *dsidev,
- unsigned long clkin,
- unsigned long pll_min, unsigned long pll_max,
- dsi_pll_calc_func func, void *data)
-{
- return false;
-}
-
#endif
/* DPI */
int dpi_init_platform_driver(void) __init;
void dpi_uninit_platform_driver(void) __exit;
+#ifdef CONFIG_OMAP2_DSS_DPI
int dpi_init_port(struct platform_device *pdev, struct device_node *port) __init;
-void dpi_uninit_port(void) __exit;
+void dpi_uninit_port(struct device_node *port) __exit;
+#else
+static inline int __init dpi_init_port(struct platform_device *pdev,
+ struct device_node *port)
+{
+ return 0;
+}
+static inline void __exit dpi_uninit_port(struct device_node *port)
+{
+}
+#endif
/* DISPC */
int dispc_init_platform_driver(void) __init;
@@ -438,4 +422,29 @@ static inline void dss_collect_irq_stats(u32 irqstatus, unsigned *irq_arr)
}
#endif
+/* PLL */
+typedef bool (*dss_pll_calc_func)(int n, int m, unsigned long fint,
+ unsigned long clkdco, void *data);
+typedef bool (*dss_hsdiv_calc_func)(int m_dispc, unsigned long dispc,
+ void *data);
+
+int dss_pll_register(struct dss_pll *pll);
+void dss_pll_unregister(struct dss_pll *pll);
+struct dss_pll *dss_pll_find(const char *name);
+int dss_pll_enable(struct dss_pll *pll);
+void dss_pll_disable(struct dss_pll *pll);
+int dss_pll_set_config(struct dss_pll *pll,
+ const struct dss_pll_clock_info *cinfo);
+
+bool dss_pll_hsdiv_calc(const struct dss_pll *pll, unsigned long clkdco,
+ unsigned long out_min, unsigned long out_max,
+ dss_hsdiv_calc_func func, void *data);
+bool dss_pll_calc(const struct dss_pll *pll, unsigned long clkin,
+ unsigned long pll_min, unsigned long pll_max,
+ dss_pll_calc_func func, void *data);
+int dss_pll_write_config_type_a(struct dss_pll *pll,
+ const struct dss_pll_clock_info *cinfo);
+int dss_pll_write_config_type_b(struct dss_pll *pll,
+ const struct dss_pll_clock_info *cinfo);
+
#endif