1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef MFD_TMIO_H |
3 | #define MFD_TMIO_H |
4 | |
5 | #include <linux/device.h> |
6 | #include <linux/fb.h> |
7 | #include <linux/io.h> |
8 | #include <linux/jiffies.h> |
9 | #include <linux/mmc/card.h> |
10 | #include <linux/platform_device.h> |
11 | #include <linux/pm_runtime.h> |
12 | |
13 | #define tmio_ioread8(addr) readb(addr) |
14 | #define tmio_ioread16(addr) readw(addr) |
15 | #define tmio_ioread16_rep(r, b, l) readsw(r, b, l) |
16 | #define tmio_ioread32(addr) \ |
17 | (((u32)readw((addr))) | (((u32)readw((addr) + 2)) << 16)) |
18 | |
19 | #define tmio_iowrite8(val, addr) writeb((val), (addr)) |
20 | #define tmio_iowrite16(val, addr) writew((val), (addr)) |
21 | #define tmio_iowrite16_rep(r, b, l) writesw(r, b, l) |
22 | #define tmio_iowrite32(val, addr) \ |
23 | do { \ |
24 | writew((val), (addr)); \ |
25 | writew((val) >> 16, (addr) + 2); \ |
26 | } while (0) |
27 | |
28 | #define sd_config_write8(base, shift, reg, val) \ |
29 | tmio_iowrite8((val), (base) + ((reg) << (shift))) |
30 | #define sd_config_write16(base, shift, reg, val) \ |
31 | tmio_iowrite16((val), (base) + ((reg) << (shift))) |
32 | #define sd_config_write32(base, shift, reg, val) \ |
33 | do { \ |
34 | tmio_iowrite16((val), (base) + ((reg) << (shift))); \ |
35 | tmio_iowrite16((val) >> 16, (base) + ((reg + 2) << (shift))); \ |
36 | } while (0) |
37 | |
38 | /* tmio MMC platform flags */ |
39 | /* |
40 | * Some controllers can support a 2-byte block size when the bus width |
41 | * is configured in 4-bit mode. |
42 | */ |
43 | #define TMIO_MMC_BLKSZ_2BYTES BIT(1) |
44 | /* |
45 | * Some controllers can support SDIO IRQ signalling. |
46 | */ |
47 | #define TMIO_MMC_SDIO_IRQ BIT(2) |
48 | |
49 | /* Some features are only available or tested on R-Car Gen2 or later */ |
50 | #define TMIO_MMC_MIN_RCAR2 BIT(3) |
51 | |
52 | /* |
53 | * Some controllers require waiting for the SD bus to become |
54 | * idle before writing to some registers. |
55 | */ |
56 | #define TMIO_MMC_HAS_IDLE_WAIT BIT(4) |
57 | |
58 | /* |
59 | * Use the busy timeout feature. Probably all TMIO versions support it. Yet, |
60 | * we don't have documentation for old variants, so we enable only known good |
61 | * variants with this flag. Can be removed once all variants are known good. |
62 | */ |
63 | #define TMIO_MMC_USE_BUSY_TIMEOUT BIT(5) |
64 | |
65 | /* |
66 | * Some controllers have CMD12 automatically |
67 | * issue/non-issue register |
68 | */ |
69 | #define TMIO_MMC_HAVE_CMD12_CTRL BIT(7) |
70 | |
71 | /* Controller has some SDIO status bits which must be 1 */ |
72 | #define TMIO_MMC_SDIO_STATUS_SETBITS BIT(8) |
73 | |
74 | /* |
75 | * Some controllers have a 32-bit wide data port register |
76 | */ |
77 | #define TMIO_MMC_32BIT_DATA_PORT BIT(9) |
78 | |
79 | /* |
80 | * Some controllers allows to set SDx actual clock |
81 | */ |
82 | #define TMIO_MMC_CLK_ACTUAL BIT(10) |
83 | |
84 | /* Some controllers have a CBSY bit */ |
85 | #define TMIO_MMC_HAVE_CBSY BIT(11) |
86 | |
87 | struct dma_chan; |
88 | |
89 | /* |
90 | * data for the MMC controller |
91 | */ |
92 | struct tmio_mmc_data { |
93 | void *chan_priv_tx; |
94 | void *chan_priv_rx; |
95 | unsigned int hclk; |
96 | unsigned long capabilities; |
97 | unsigned long capabilities2; |
98 | unsigned long flags; |
99 | u32 ocr_mask; /* available voltages */ |
100 | dma_addr_t dma_rx_offset; |
101 | unsigned int max_blk_count; |
102 | unsigned short max_segs; |
103 | void (*set_pwr)(struct platform_device *host, int state); |
104 | void (*set_clk_div)(struct platform_device *host, int state); |
105 | }; |
106 | |
107 | /* |
108 | * data for the NAND controller |
109 | */ |
110 | struct tmio_nand_data { |
111 | struct nand_bbt_descr *badblock_pattern; |
112 | struct mtd_partition *partition; |
113 | unsigned int num_partitions; |
114 | const char *const *part_parsers; |
115 | }; |
116 | |
117 | #define FBIO_TMIO_ACC_WRITE 0x7C639300 |
118 | #define FBIO_TMIO_ACC_SYNC 0x7C639301 |
119 | |
120 | struct tmio_fb_data { |
121 | int (*lcd_set_power)(struct platform_device *fb_dev, |
122 | bool on); |
123 | int (*lcd_mode)(struct platform_device *fb_dev, |
124 | const struct fb_videomode *mode); |
125 | int num_modes; |
126 | struct fb_videomode *modes; |
127 | |
128 | /* in mm: size of screen */ |
129 | int height; |
130 | int width; |
131 | }; |
132 | |
133 | #endif |
134 | |