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Diffstat (limited to 'arch/powerpc/include/asm/qe.h')
-rw-r--r--arch/powerpc/include/asm/qe.h37
1 files changed, 35 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/qe.h b/arch/powerpc/include/asm/qe.h
index edee15d269ea..a0a15311d0d8 100644
--- a/arch/powerpc/include/asm/qe.h
+++ b/arch/powerpc/include/asm/qe.h
@@ -17,6 +17,8 @@
17#ifdef __KERNEL__ 17#ifdef __KERNEL__
18 18
19#include <linux/spinlock.h> 19#include <linux/spinlock.h>
20#include <linux/errno.h>
21#include <linux/err.h>
20#include <asm/cpm.h> 22#include <asm/cpm.h>
21#include <asm/immap_qe.h> 23#include <asm/immap_qe.h>
22 24
@@ -84,7 +86,11 @@ static inline bool qe_clock_is_brg(enum qe_clock clk)
84extern spinlock_t cmxgcr_lock; 86extern spinlock_t cmxgcr_lock;
85 87
86/* Export QE common operations */ 88/* Export QE common operations */
89#ifdef CONFIG_QUICC_ENGINE
87extern void __init qe_reset(void); 90extern void __init qe_reset(void);
91#else
92static inline void qe_reset(void) {}
93#endif
88 94
89/* QE PIO */ 95/* QE PIO */
90#define QE_PIO_PINS 32 96#define QE_PIO_PINS 32
@@ -101,16 +107,43 @@ struct qe_pio_regs {
101#endif 107#endif
102}; 108};
103 109
104extern int par_io_init(struct device_node *np);
105extern int par_io_of_config(struct device_node *np);
106#define QE_PIO_DIR_IN 2 110#define QE_PIO_DIR_IN 2
107#define QE_PIO_DIR_OUT 1 111#define QE_PIO_DIR_OUT 1
108extern void __par_io_config_pin(struct qe_pio_regs __iomem *par_io, u8 pin, 112extern void __par_io_config_pin(struct qe_pio_regs __iomem *par_io, u8 pin,
109 int dir, int open_drain, int assignment, 113 int dir, int open_drain, int assignment,
110 int has_irq); 114 int has_irq);
115#ifdef CONFIG_QUICC_ENGINE
116extern int par_io_init(struct device_node *np);
117extern int par_io_of_config(struct device_node *np);
111extern int par_io_config_pin(u8 port, u8 pin, int dir, int open_drain, 118extern int par_io_config_pin(u8 port, u8 pin, int dir, int open_drain,
112 int assignment, int has_irq); 119 int assignment, int has_irq);
113extern int par_io_data_set(u8 port, u8 pin, u8 val); 120extern int par_io_data_set(u8 port, u8 pin, u8 val);
121#else
122static inline int par_io_init(struct device_node *np) { return -ENOSYS; }
123static inline int par_io_of_config(struct device_node *np) { return -ENOSYS; }
124static inline int par_io_config_pin(u8 port, u8 pin, int dir, int open_drain,
125 int assignment, int has_irq) { return -ENOSYS; }
126static inline int par_io_data_set(u8 port, u8 pin, u8 val) { return -ENOSYS; }
127#endif /* CONFIG_QUICC_ENGINE */
128
129/*
130 * Pin multiplexing functions.
131 */
132struct qe_pin;
133#ifdef CONFIG_QE_GPIO
134extern struct qe_pin *qe_pin_request(struct device_node *np, int index);
135extern void qe_pin_free(struct qe_pin *qe_pin);
136extern void qe_pin_set_gpio(struct qe_pin *qe_pin);
137extern void qe_pin_set_dedicated(struct qe_pin *pin);
138#else
139static inline struct qe_pin *qe_pin_request(struct device_node *np, int index)
140{
141 return ERR_PTR(-ENOSYS);
142}
143static inline void qe_pin_free(struct qe_pin *qe_pin) {}
144static inline void qe_pin_set_gpio(struct qe_pin *qe_pin) {}
145static inline void qe_pin_set_dedicated(struct qe_pin *pin) {}
146#endif /* CONFIG_QE_GPIO */
114 147
115/* QE internal API */ 148/* QE internal API */
116int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input); 149int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input);