Linux Kernel  3.7.1
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tmio.h
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1 #ifndef MFD_TMIO_H
2 #define MFD_TMIO_H
3 
4 #include <linux/device.h>
5 #include <linux/fb.h>
6 #include <linux/io.h>
7 #include <linux/jiffies.h>
9 #include <linux/pm_runtime.h>
10 
11 #define tmio_ioread8(addr) readb(addr)
12 #define tmio_ioread16(addr) readw(addr)
13 #define tmio_ioread16_rep(r, b, l) readsw(r, b, l)
14 #define tmio_ioread32(addr) \
15  (((u32) readw((addr))) | (((u32) readw((addr) + 2)) << 16))
16 
17 #define tmio_iowrite8(val, addr) writeb((val), (addr))
18 #define tmio_iowrite16(val, addr) writew((val), (addr))
19 #define tmio_iowrite16_rep(r, b, l) writesw(r, b, l)
20 #define tmio_iowrite32(val, addr) \
21  do { \
22  writew((val), (addr)); \
23  writew((val) >> 16, (addr) + 2); \
24  } while (0)
25 
26 #define CNF_CMD 0x04
27 #define CNF_CTL_BASE 0x10
28 #define CNF_INT_PIN 0x3d
29 #define CNF_STOP_CLK_CTL 0x40
30 #define CNF_GCLK_CTL 0x41
31 #define CNF_SD_CLK_MODE 0x42
32 #define CNF_PIN_STATUS 0x44
33 #define CNF_PWR_CTL_1 0x48
34 #define CNF_PWR_CTL_2 0x49
35 #define CNF_PWR_CTL_3 0x4a
36 #define CNF_CARD_DETECT_MODE 0x4c
37 #define CNF_SD_SLOT 0x50
38 #define CNF_EXT_GCLK_CTL_1 0xf0
39 #define CNF_EXT_GCLK_CTL_2 0xf1
40 #define CNF_EXT_GCLK_CTL_3 0xf9
41 #define CNF_SD_LED_EN_1 0xfa
42 #define CNF_SD_LED_EN_2 0xfe
43 
44 #define SDCREN 0x2 /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/
45 
46 #define sd_config_write8(base, shift, reg, val) \
47  tmio_iowrite8((val), (base) + ((reg) << (shift)))
48 #define sd_config_write16(base, shift, reg, val) \
49  tmio_iowrite16((val), (base) + ((reg) << (shift)))
50 #define sd_config_write32(base, shift, reg, val) \
51  do { \
52  tmio_iowrite16((val), (base) + ((reg) << (shift))); \
53  tmio_iowrite16((val) >> 16, (base) + ((reg + 2) << (shift))); \
54  } while (0)
55 
56 /* tmio MMC platform flags */
57 #define TMIO_MMC_WRPROTECT_DISABLE (1 << 0)
58 /*
59  * Some controllers can support a 2-byte block size when the bus width
60  * is configured in 4-bit mode.
61  */
62 #define TMIO_MMC_BLKSZ_2BYTES (1 << 1)
63 /*
64  * Some controllers can support SDIO IRQ signalling.
65  */
66 #define TMIO_MMC_SDIO_IRQ (1 << 2)
67 /*
68  * Some platforms can detect card insertion events with controller powered
69  * down, using a GPIO IRQ, in which case they have to fill in cd_irq, cd_gpio,
70  * and cd_flags fields of struct tmio_mmc_data.
71  */
72 #define TMIO_MMC_HAS_COLD_CD (1 << 3)
73 /*
74  * Some controllers require waiting for the SD bus to become
75  * idle before writing to some registers.
76  */
77 #define TMIO_MMC_HAS_IDLE_WAIT (1 << 4)
78 /*
79  * A GPIO is used for card hotplug detection. We need an extra flag for this,
80  * because 0 is a valid GPIO number too, and requiring users to specify
81  * cd_gpio < 0 to disable GPIO hotplug would break backwards compatibility.
82  */
83 #define TMIO_MMC_USE_GPIO_CD (1 << 5)
84 
85 int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
86 int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
87 void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
88 void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
89 
90 struct tmio_mmc_dma {
91  void *chan_priv_tx;
92  void *chan_priv_rx;
94 };
95 
96 struct tmio_mmc_host;
97 
98 /*
99  * data for the MMC controller
100  */
102  unsigned int hclk;
103  unsigned long capabilities;
104  unsigned long capabilities2;
105  unsigned long flags;
106  u32 ocr_mask; /* available voltages */
107  struct tmio_mmc_dma *dma;
108  struct device *dev;
109  unsigned int cd_gpio;
114  /* clock management callbacks */
115  int (*clk_enable)(struct platform_device *pdev, unsigned int *f);
117 };
118 
119 /*
120  * This function is deprecated and will be removed soon. Please, convert your
121  * platform to use drivers/mmc/core/cd-gpio.c
122  */
123 #include <linux/mmc/host.h>
124 static inline void tmio_mmc_cd_wakeup(struct tmio_mmc_data *pdata)
125 {
126  if (pdata)
128  msecs_to_jiffies(100));
129 }
130 
131 /*
132  * data for the NAND controller
133  */
137  unsigned int num_partitions;
138 };
139 
140 #define FBIO_TMIO_ACC_WRITE 0x7C639300
141 #define FBIO_TMIO_ACC_SYNC 0x7C639301
142 
143 struct tmio_fb_data {
144  int (*lcd_set_power)(struct platform_device *fb_dev,
145  bool on);
146  int (*lcd_mode)(struct platform_device *fb_dev,
147  const struct fb_videomode *mode);
150 
151  /* in mm: size of screen */
152  int height;
153  int width;
154 };
155 
156 
157 #endif