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Diffstat (limited to 'drivers/pinctrl/intel/pinctrl-intel.h')
-rw-r--r--drivers/pinctrl/intel/pinctrl-intel.h53
1 files changed, 49 insertions, 4 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-intel.h b/drivers/pinctrl/intel/pinctrl-intel.h
index a8e958f1dcf5..c6f066f6d3fb 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.h
+++ b/drivers/pinctrl/intel/pinctrl-intel.h
@@ -10,7 +10,10 @@
#ifndef PINCTRL_INTEL_H
#define PINCTRL_INTEL_H
+#include <linux/gpio/driver.h>
+#include <linux/irq.h>
#include <linux/pm.h>
+#include <linux/spinlock_types.h>
struct pinctrl_pin_desc;
struct platform_device;
@@ -75,9 +78,9 @@ struct intel_padgroup {
* @hostown_offset: Register offset of HOSTSW_OWN from @regs. If %0 then it
* is assumed that the host owns the pin (rather than
* ACPI).
- * @is_offset: Register offset of GPI_IS from @regs. If %0 then uses the
- * default (%0x100).
+ * @is_offset: Register offset of GPI_IS from @regs.
* @ie_offset: Register offset of GPI_IE from @regs.
+ * @features: Additional features supported by the hardware
* @pin_base: Starting pin of pins in this community
* @gpp_size: Maximum number of pads in each group, such as PADCFGLOCK,
* HOSTSW_OWN, GPI_IS, GPI_IE, etc. Used when @gpps is %NULL.
@@ -85,9 +88,9 @@ struct intel_padgroup {
* minimum. Use %0 if the number of registers can be
* determined by the size of the group.
* @npins: Number of pins in this community
- * @features: Additional features supported by the hardware
* @gpps: Pad groups if the controller has variable size pad groups
* @ngpps: Number of pad groups in this community
+ * @pad_map: Optional non-linear mapping of the pads
* @regs: Community specific common registers (reserved for core driver)
* @pad_regs: Community specific pad registers (reserved for core driver)
*
@@ -104,13 +107,14 @@ struct intel_community {
unsigned int hostown_offset;
unsigned int is_offset;
unsigned int ie_offset;
+ unsigned int features;
unsigned int pin_base;
unsigned int gpp_size;
unsigned int gpp_num_padown_regs;
size_t npins;
- unsigned int features;
const struct intel_padgroup *gpps;
size_t ngpps;
+ const unsigned int *pad_map;
/* Reserved for the core driver */
void __iomem *regs;
void __iomem *pad_regs;
@@ -173,6 +177,47 @@ struct intel_pinctrl_soc_data {
size_t ncommunities;
};
+struct intel_pad_context;
+struct intel_community_context;
+
+/**
+ * struct intel_pinctrl_context - context to be saved during suspend-resume
+ * @pads: Opaque context per pad (driver dependent)
+ * @communities: Opaque context per community (driver dependent)
+ */
+struct intel_pinctrl_context {
+ struct intel_pad_context *pads;
+ struct intel_community_context *communities;
+};
+
+/**
+ * struct intel_pinctrl - Intel pinctrl private structure
+ * @dev: Pointer to the device structure
+ * @lock: Lock to serialize register access
+ * @pctldesc: Pin controller description
+ * @pctldev: Pointer to the pin controller device
+ * @chip: GPIO chip in this pin controller
+ * @irqchip: IRQ chip in this pin controller
+ * @soc: SoC/PCH specific pin configuration data
+ * @communities: All communities in this pin controller
+ * @ncommunities: Number of communities in this pin controller
+ * @context: Configuration saved over system sleep
+ * @irq: pinctrl/GPIO chip irq number
+ */
+struct intel_pinctrl {
+ struct device *dev;
+ raw_spinlock_t lock;
+ struct pinctrl_desc pctldesc;
+ struct pinctrl_dev *pctldev;
+ struct gpio_chip chip;
+ struct irq_chip irqchip;
+ const struct intel_pinctrl_soc_data *soc;
+ struct intel_community *communities;
+ size_t ncommunities;
+ struct intel_pinctrl_context context;
+ int irq;
+};
+
int intel_pinctrl_probe_by_hid(struct platform_device *pdev);
int intel_pinctrl_probe_by_uid(struct platform_device *pdev);
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