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-rw-r--r--include/linux/clk-provider.h26
-rw-r--r--include/linux/clk.h33
-rw-r--r--include/linux/dma/pxa-dma.h9
-rw-r--r--include/linux/platform_data/mmp_dma.h4
-rw-r--r--include/linux/pxa2xx_ssp.h10
-rw-r--r--include/linux/usb/audio-v3.h19
-rw-r--r--include/linux/vga_switcheroo.h8
7 files changed, 103 insertions, 6 deletions
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index b7cfa037e593..08b1aa70a38d 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -38,6 +38,8 @@
#define CLK_IS_CRITICAL BIT(11) /* do not gate, ever */
/* parents need enable during gate/ungate, set rate and re-parent */
#define CLK_OPS_PARENT_ENABLE BIT(12)
+/* duty cycle call may be forwarded to the parent clock */
+#define CLK_DUTY_CYCLE_PARENT BIT(13)
struct clk;
struct clk_hw;
@@ -67,6 +69,17 @@ struct clk_rate_request {
};
/**
+ * struct clk_duty - Struture encoding the duty cycle ratio of a clock
+ *
+ * @num: Numerator of the duty cycle ratio
+ * @den: Denominator of the duty cycle ratio
+ */
+struct clk_duty {
+ unsigned int num;
+ unsigned int den;
+};
+
+/**
* struct clk_ops - Callback operations for hardware clocks; these are to
* be provided by the clock implementation, and will be called by drivers
* through the clk_* api.
@@ -169,6 +182,15 @@ struct clk_rate_request {
* by the second argument. Valid values for degrees are
* 0-359. Return 0 on success, otherwise -EERROR.
*
+ * @get_duty_cycle: Queries the hardware to get the current duty cycle ratio
+ * of a clock. Returned values denominator cannot be 0 and must be
+ * superior or equal to the numerator.
+ *
+ * @set_duty_cycle: Apply the duty cycle ratio to this clock signal specified by
+ * the numerator (2nd argurment) and denominator (3rd argument).
+ * Argument must be a valid ratio (denominator > 0
+ * and >= numerator) Return 0 on success, otherwise -EERROR.
+ *
* @init: Perform platform-specific initialization magic.
* This is not not used by any of the basic clock types.
* Please consider other ways of solving initialization problems
@@ -218,6 +240,10 @@ struct clk_ops {
unsigned long parent_accuracy);
int (*get_phase)(struct clk_hw *hw);
int (*set_phase)(struct clk_hw *hw, int degrees);
+ int (*get_duty_cycle)(struct clk_hw *hw,
+ struct clk_duty *duty);
+ int (*set_duty_cycle)(struct clk_hw *hw,
+ struct clk_duty *duty);
void (*init)(struct clk_hw *hw);
void (*debug_init)(struct clk_hw *hw, struct dentry *dentry);
};
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 0dbd0885b2c2..4f750c481b82 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -142,6 +142,27 @@ int clk_set_phase(struct clk *clk, int degrees);
int clk_get_phase(struct clk *clk);
/**
+ * clk_set_duty_cycle - adjust the duty cycle ratio of a clock signal
+ * @clk: clock signal source
+ * @num: numerator of the duty cycle ratio to be applied
+ * @den: denominator of the duty cycle ratio to be applied
+ *
+ * Adjust the duty cycle of a clock signal by the specified ratio. Returns 0 on
+ * success, -EERROR otherwise.
+ */
+int clk_set_duty_cycle(struct clk *clk, unsigned int num, unsigned int den);
+
+/**
+ * clk_get_duty_cycle - return the duty cycle ratio of a clock signal
+ * @clk: clock signal source
+ * @scale: scaling factor to be applied to represent the ratio as an integer
+ *
+ * Returns the duty cycle ratio multiplied by the scale provided, otherwise
+ * returns -EERROR.
+ */
+int clk_get_scaled_duty_cycle(struct clk *clk, unsigned int scale);
+
+/**
* clk_is_match - check if two clk's point to the same hardware clock
* @p: clk compared against q
* @q: clk compared against p
@@ -183,6 +204,18 @@ static inline long clk_get_phase(struct clk *clk)
return -ENOTSUPP;
}
+static inline int clk_set_duty_cycle(struct clk *clk, unsigned int num,
+ unsigned int den)
+{
+ return -ENOTSUPP;
+}
+
+static inline unsigned int clk_get_scaled_duty_cycle(struct clk *clk,
+ unsigned int scale)
+{
+ return 0;
+}
+
static inline bool clk_is_match(const struct clk *p, const struct clk *q)
{
return p == q;
diff --git a/include/linux/dma/pxa-dma.h b/include/linux/dma/pxa-dma.h
index e56ec7af4fd7..9fc594f69eff 100644
--- a/include/linux/dma/pxa-dma.h
+++ b/include/linux/dma/pxa-dma.h
@@ -9,6 +9,15 @@ enum pxad_chan_prio {
PXAD_PRIO_LOWEST,
};
+/**
+ * struct pxad_param - dma channel request parameters
+ * @drcmr: requestor line number
+ * @prio: minimal mandatory priority of the channel
+ *
+ * If a requested channel is granted, its priority will be at least @prio,
+ * ie. if PXAD_PRIO_LOW is required, the requested channel will be either
+ * PXAD_PRIO_LOW, PXAD_PRIO_NORMAL or PXAD_PRIO_HIGHEST.
+ */
struct pxad_param {
unsigned int drcmr;
enum pxad_chan_prio prio;
diff --git a/include/linux/platform_data/mmp_dma.h b/include/linux/platform_data/mmp_dma.h
index d1397c8ed94e..6397b9c8149a 100644
--- a/include/linux/platform_data/mmp_dma.h
+++ b/include/linux/platform_data/mmp_dma.h
@@ -12,9 +12,13 @@
#ifndef MMP_DMA_H
#define MMP_DMA_H
+struct dma_slave_map;
+
struct mmp_dma_platdata {
int dma_channels;
int nb_requestors;
+ int slave_map_cnt;
+ const struct dma_slave_map *slave_map;
};
#endif /* MMP_DMA_H */
diff --git a/include/linux/pxa2xx_ssp.h b/include/linux/pxa2xx_ssp.h
index 8461b18e4608..13b4244d44c1 100644
--- a/include/linux/pxa2xx_ssp.h
+++ b/include/linux/pxa2xx_ssp.h
@@ -171,6 +171,14 @@
#define SSACD_SCDB (1 << 3) /* SSPSYSCLK Divider Bypass */
#define SSACD_ACPS(x) ((x) << 4) /* Audio clock PLL select */
#define SSACD_ACDS(x) ((x) << 0) /* Audio clock divider select */
+#define SSACD_ACDS_1 (0)
+#define SSACD_ACDS_2 (1)
+#define SSACD_ACDS_4 (2)
+#define SSACD_ACDS_8 (3)
+#define SSACD_ACDS_16 (4)
+#define SSACD_ACDS_32 (5)
+#define SSACD_SCDB_4X (0)
+#define SSACD_SCDB_1X (1)
#define SSACD_SCDX8 (1 << 7) /* SYSCLK division ratio select */
/* LPSS SSP */
@@ -212,8 +220,6 @@ struct ssp_device {
int type;
int use_count;
int irq;
- int drcmr_rx;
- int drcmr_tx;
struct device_node *of_node;
};
diff --git a/include/linux/usb/audio-v3.h b/include/linux/usb/audio-v3.h
index a710e28b5215..6b708434b7f9 100644
--- a/include/linux/usb/audio-v3.h
+++ b/include/linux/usb/audio-v3.h
@@ -387,6 +387,12 @@ struct uac3_interrupt_data_msg {
#define UAC3_CONNECTORS 0x0f
#define UAC3_POWER_DOMAIN 0x10
+/* A.20 PROCESSING UNIT PROCESS TYPES */
+#define UAC3_PROCESS_UNDEFINED 0x00
+#define UAC3_PROCESS_UP_DOWNMIX 0x01
+#define UAC3_PROCESS_STEREO_EXTENDER 0x02
+#define UAC3_PROCESS_MULTI_FUNCTION 0x03
+
/* A.22 AUDIO CLASS-SPECIFIC REQUEST CODES */
/* see audio-v2.h for the rest, which is identical to v2 */
#define UAC3_CS_REQ_INTEN 0x04
@@ -406,6 +412,15 @@ struct uac3_interrupt_data_msg {
#define UAC3_TE_OVERFLOW 0x04
#define UAC3_TE_LATENCY 0x05
+/* A.23.10 PROCESSING UNITS CONTROL SELECTROS */
+
+/* Up/Down Mixer */
+#define UAC3_UD_MODE_SELECT 0x01
+
+/* Stereo Extender */
+#define UAC3_EXT_WIDTH_CONTROL 0x01
+
+
/* BADD predefined Unit/Terminal values */
#define UAC3_BADD_IT_ID1 1 /* Input Terminal ID1: bTerminalID = 1 */
#define UAC3_BADD_FU_ID2 2 /* Feature Unit ID2: bUnitID = 2 */
@@ -432,4 +447,8 @@ struct uac3_interrupt_data_msg {
/* BADD sample rate is always fixed to 48kHz */
#define UAC3_BADD_SAMPLING_RATE 48000
+/* BADD power domains recovery times in 50us increments */
+#define UAC3_BADD_PD_RECOVER_D1D0 0x0258 /* 30ms */
+#define UAC3_BADD_PD_RECOVER_D2D0 0x1770 /* 300ms */
+
#endif /* __LINUX_USB_AUDIO_V3_H */
diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h
index 77f0f0af3a71..a34539b7f750 100644
--- a/include/linux/vga_switcheroo.h
+++ b/include/linux/vga_switcheroo.h
@@ -84,8 +84,8 @@ enum vga_switcheroo_state {
* Client identifier. Audio clients use the same identifier & 0x100.
*/
enum vga_switcheroo_client_id {
- VGA_SWITCHEROO_UNKNOWN_ID = -1,
- VGA_SWITCHEROO_IGD,
+ VGA_SWITCHEROO_UNKNOWN_ID = 0x1000,
+ VGA_SWITCHEROO_IGD = 0,
VGA_SWITCHEROO_DIS,
VGA_SWITCHEROO_MAX_CLIENTS,
};
@@ -151,7 +151,7 @@ int vga_switcheroo_register_client(struct pci_dev *dev,
bool driver_power_control);
int vga_switcheroo_register_audio_client(struct pci_dev *pdev,
const struct vga_switcheroo_client_ops *ops,
- enum vga_switcheroo_client_id id);
+ struct pci_dev *vga_dev);
void vga_switcheroo_client_fb_set(struct pci_dev *dev,
struct fb_info *info);
@@ -180,7 +180,7 @@ static inline int vga_switcheroo_register_handler(const struct vga_switcheroo_ha
enum vga_switcheroo_handler_flags_t handler_flags) { return 0; }
static inline int vga_switcheroo_register_audio_client(struct pci_dev *pdev,
const struct vga_switcheroo_client_ops *ops,
- enum vga_switcheroo_client_id id) { return 0; }
+ struct pci_dev *vga_dev) { return 0; }
static inline void vga_switcheroo_unregister_handler(void) {}
static inline enum vga_switcheroo_handler_flags_t vga_switcheroo_handler_flags(void) { return 0; }
static inline int vga_switcheroo_lock_ddc(struct pci_dev *pdev) { return -ENODEV; }