Commit 0a85b4827e9960295fbf4ca0f32bb357693cc5f7
Committed by
Samuel Ortiz
1 parent
dd9c1549ed
Exists in
master
and in
7 other branches
mfd: Fix ASIC3 build with GENERIC_HARDIRQS_NO_DEPRECATED
Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Showing 1 changed file with 2 additions and 2 deletions Inline Diff
drivers/mfd/asic3.c
1 | /* | 1 | /* |
2 | * driver/mfd/asic3.c | 2 | * driver/mfd/asic3.c |
3 | * | 3 | * |
4 | * Compaq ASIC3 support. | 4 | * Compaq ASIC3 support. |
5 | * | 5 | * |
6 | * This program is free software; you can redistribute it and/or modify | 6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License version 2 as | 7 | * it under the terms of the GNU General Public License version 2 as |
8 | * published by the Free Software Foundation. | 8 | * published by the Free Software Foundation. |
9 | * | 9 | * |
10 | * Copyright 2001 Compaq Computer Corporation. | 10 | * Copyright 2001 Compaq Computer Corporation. |
11 | * Copyright 2004-2005 Phil Blundell | 11 | * Copyright 2004-2005 Phil Blundell |
12 | * Copyright 2007-2008 OpenedHand Ltd. | 12 | * Copyright 2007-2008 OpenedHand Ltd. |
13 | * | 13 | * |
14 | * Authors: Phil Blundell <pb@handhelds.org>, | 14 | * Authors: Phil Blundell <pb@handhelds.org>, |
15 | * Samuel Ortiz <sameo@openedhand.com> | 15 | * Samuel Ortiz <sameo@openedhand.com> |
16 | * | 16 | * |
17 | */ | 17 | */ |
18 | 18 | ||
19 | #include <linux/kernel.h> | 19 | #include <linux/kernel.h> |
20 | #include <linux/delay.h> | 20 | #include <linux/delay.h> |
21 | #include <linux/irq.h> | 21 | #include <linux/irq.h> |
22 | #include <linux/gpio.h> | 22 | #include <linux/gpio.h> |
23 | #include <linux/io.h> | 23 | #include <linux/io.h> |
24 | #include <linux/slab.h> | 24 | #include <linux/slab.h> |
25 | #include <linux/spinlock.h> | 25 | #include <linux/spinlock.h> |
26 | #include <linux/platform_device.h> | 26 | #include <linux/platform_device.h> |
27 | 27 | ||
28 | #include <linux/mfd/asic3.h> | 28 | #include <linux/mfd/asic3.h> |
29 | #include <linux/mfd/core.h> | 29 | #include <linux/mfd/core.h> |
30 | #include <linux/mfd/ds1wm.h> | 30 | #include <linux/mfd/ds1wm.h> |
31 | #include <linux/mfd/tmio.h> | 31 | #include <linux/mfd/tmio.h> |
32 | 32 | ||
33 | enum { | 33 | enum { |
34 | ASIC3_CLOCK_SPI, | 34 | ASIC3_CLOCK_SPI, |
35 | ASIC3_CLOCK_OWM, | 35 | ASIC3_CLOCK_OWM, |
36 | ASIC3_CLOCK_PWM0, | 36 | ASIC3_CLOCK_PWM0, |
37 | ASIC3_CLOCK_PWM1, | 37 | ASIC3_CLOCK_PWM1, |
38 | ASIC3_CLOCK_LED0, | 38 | ASIC3_CLOCK_LED0, |
39 | ASIC3_CLOCK_LED1, | 39 | ASIC3_CLOCK_LED1, |
40 | ASIC3_CLOCK_LED2, | 40 | ASIC3_CLOCK_LED2, |
41 | ASIC3_CLOCK_SD_HOST, | 41 | ASIC3_CLOCK_SD_HOST, |
42 | ASIC3_CLOCK_SD_BUS, | 42 | ASIC3_CLOCK_SD_BUS, |
43 | ASIC3_CLOCK_SMBUS, | 43 | ASIC3_CLOCK_SMBUS, |
44 | ASIC3_CLOCK_EX0, | 44 | ASIC3_CLOCK_EX0, |
45 | ASIC3_CLOCK_EX1, | 45 | ASIC3_CLOCK_EX1, |
46 | }; | 46 | }; |
47 | 47 | ||
48 | struct asic3_clk { | 48 | struct asic3_clk { |
49 | int enabled; | 49 | int enabled; |
50 | unsigned int cdex; | 50 | unsigned int cdex; |
51 | unsigned long rate; | 51 | unsigned long rate; |
52 | }; | 52 | }; |
53 | 53 | ||
54 | #define INIT_CDEX(_name, _rate) \ | 54 | #define INIT_CDEX(_name, _rate) \ |
55 | [ASIC3_CLOCK_##_name] = { \ | 55 | [ASIC3_CLOCK_##_name] = { \ |
56 | .cdex = CLOCK_CDEX_##_name, \ | 56 | .cdex = CLOCK_CDEX_##_name, \ |
57 | .rate = _rate, \ | 57 | .rate = _rate, \ |
58 | } | 58 | } |
59 | 59 | ||
60 | static struct asic3_clk asic3_clk_init[] __initdata = { | 60 | static struct asic3_clk asic3_clk_init[] __initdata = { |
61 | INIT_CDEX(SPI, 0), | 61 | INIT_CDEX(SPI, 0), |
62 | INIT_CDEX(OWM, 5000000), | 62 | INIT_CDEX(OWM, 5000000), |
63 | INIT_CDEX(PWM0, 0), | 63 | INIT_CDEX(PWM0, 0), |
64 | INIT_CDEX(PWM1, 0), | 64 | INIT_CDEX(PWM1, 0), |
65 | INIT_CDEX(LED0, 0), | 65 | INIT_CDEX(LED0, 0), |
66 | INIT_CDEX(LED1, 0), | 66 | INIT_CDEX(LED1, 0), |
67 | INIT_CDEX(LED2, 0), | 67 | INIT_CDEX(LED2, 0), |
68 | INIT_CDEX(SD_HOST, 24576000), | 68 | INIT_CDEX(SD_HOST, 24576000), |
69 | INIT_CDEX(SD_BUS, 12288000), | 69 | INIT_CDEX(SD_BUS, 12288000), |
70 | INIT_CDEX(SMBUS, 0), | 70 | INIT_CDEX(SMBUS, 0), |
71 | INIT_CDEX(EX0, 32768), | 71 | INIT_CDEX(EX0, 32768), |
72 | INIT_CDEX(EX1, 24576000), | 72 | INIT_CDEX(EX1, 24576000), |
73 | }; | 73 | }; |
74 | 74 | ||
75 | struct asic3 { | 75 | struct asic3 { |
76 | void __iomem *mapping; | 76 | void __iomem *mapping; |
77 | unsigned int bus_shift; | 77 | unsigned int bus_shift; |
78 | unsigned int irq_nr; | 78 | unsigned int irq_nr; |
79 | unsigned int irq_base; | 79 | unsigned int irq_base; |
80 | spinlock_t lock; | 80 | spinlock_t lock; |
81 | u16 irq_bothedge[4]; | 81 | u16 irq_bothedge[4]; |
82 | struct gpio_chip gpio; | 82 | struct gpio_chip gpio; |
83 | struct device *dev; | 83 | struct device *dev; |
84 | void __iomem *tmio_cnf; | 84 | void __iomem *tmio_cnf; |
85 | 85 | ||
86 | struct asic3_clk clocks[ARRAY_SIZE(asic3_clk_init)]; | 86 | struct asic3_clk clocks[ARRAY_SIZE(asic3_clk_init)]; |
87 | }; | 87 | }; |
88 | 88 | ||
89 | static int asic3_gpio_get(struct gpio_chip *chip, unsigned offset); | 89 | static int asic3_gpio_get(struct gpio_chip *chip, unsigned offset); |
90 | 90 | ||
91 | static inline void asic3_write_register(struct asic3 *asic, | 91 | static inline void asic3_write_register(struct asic3 *asic, |
92 | unsigned int reg, u32 value) | 92 | unsigned int reg, u32 value) |
93 | { | 93 | { |
94 | iowrite16(value, asic->mapping + | 94 | iowrite16(value, asic->mapping + |
95 | (reg >> asic->bus_shift)); | 95 | (reg >> asic->bus_shift)); |
96 | } | 96 | } |
97 | 97 | ||
98 | static inline u32 asic3_read_register(struct asic3 *asic, | 98 | static inline u32 asic3_read_register(struct asic3 *asic, |
99 | unsigned int reg) | 99 | unsigned int reg) |
100 | { | 100 | { |
101 | return ioread16(asic->mapping + | 101 | return ioread16(asic->mapping + |
102 | (reg >> asic->bus_shift)); | 102 | (reg >> asic->bus_shift)); |
103 | } | 103 | } |
104 | 104 | ||
105 | static void asic3_set_register(struct asic3 *asic, u32 reg, u32 bits, bool set) | 105 | static void asic3_set_register(struct asic3 *asic, u32 reg, u32 bits, bool set) |
106 | { | 106 | { |
107 | unsigned long flags; | 107 | unsigned long flags; |
108 | u32 val; | 108 | u32 val; |
109 | 109 | ||
110 | spin_lock_irqsave(&asic->lock, flags); | 110 | spin_lock_irqsave(&asic->lock, flags); |
111 | val = asic3_read_register(asic, reg); | 111 | val = asic3_read_register(asic, reg); |
112 | if (set) | 112 | if (set) |
113 | val |= bits; | 113 | val |= bits; |
114 | else | 114 | else |
115 | val &= ~bits; | 115 | val &= ~bits; |
116 | asic3_write_register(asic, reg, val); | 116 | asic3_write_register(asic, reg, val); |
117 | spin_unlock_irqrestore(&asic->lock, flags); | 117 | spin_unlock_irqrestore(&asic->lock, flags); |
118 | } | 118 | } |
119 | 119 | ||
120 | /* IRQs */ | 120 | /* IRQs */ |
121 | #define MAX_ASIC_ISR_LOOPS 20 | 121 | #define MAX_ASIC_ISR_LOOPS 20 |
122 | #define ASIC3_GPIO_BASE_INCR \ | 122 | #define ASIC3_GPIO_BASE_INCR \ |
123 | (ASIC3_GPIO_B_BASE - ASIC3_GPIO_A_BASE) | 123 | (ASIC3_GPIO_B_BASE - ASIC3_GPIO_A_BASE) |
124 | 124 | ||
125 | static void asic3_irq_flip_edge(struct asic3 *asic, | 125 | static void asic3_irq_flip_edge(struct asic3 *asic, |
126 | u32 base, int bit) | 126 | u32 base, int bit) |
127 | { | 127 | { |
128 | u16 edge; | 128 | u16 edge; |
129 | unsigned long flags; | 129 | unsigned long flags; |
130 | 130 | ||
131 | spin_lock_irqsave(&asic->lock, flags); | 131 | spin_lock_irqsave(&asic->lock, flags); |
132 | edge = asic3_read_register(asic, | 132 | edge = asic3_read_register(asic, |
133 | base + ASIC3_GPIO_EDGE_TRIGGER); | 133 | base + ASIC3_GPIO_EDGE_TRIGGER); |
134 | edge ^= bit; | 134 | edge ^= bit; |
135 | asic3_write_register(asic, | 135 | asic3_write_register(asic, |
136 | base + ASIC3_GPIO_EDGE_TRIGGER, edge); | 136 | base + ASIC3_GPIO_EDGE_TRIGGER, edge); |
137 | spin_unlock_irqrestore(&asic->lock, flags); | 137 | spin_unlock_irqrestore(&asic->lock, flags); |
138 | } | 138 | } |
139 | 139 | ||
140 | static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc) | 140 | static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc) |
141 | { | 141 | { |
142 | int iter, i; | 142 | int iter, i; |
143 | unsigned long flags; | 143 | unsigned long flags; |
144 | struct asic3 *asic; | 144 | struct asic3 *asic; |
145 | 145 | ||
146 | desc->chip->ack(irq); | 146 | desc->irq_data.chip->irq_ack(&desc->irq_data); |
147 | 147 | ||
148 | asic = desc->handler_data; | 148 | asic = get_irq_data(irq); |
149 | 149 | ||
150 | for (iter = 0 ; iter < MAX_ASIC_ISR_LOOPS; iter++) { | 150 | for (iter = 0 ; iter < MAX_ASIC_ISR_LOOPS; iter++) { |
151 | u32 status; | 151 | u32 status; |
152 | int bank; | 152 | int bank; |
153 | 153 | ||
154 | spin_lock_irqsave(&asic->lock, flags); | 154 | spin_lock_irqsave(&asic->lock, flags); |
155 | status = asic3_read_register(asic, | 155 | status = asic3_read_register(asic, |
156 | ASIC3_OFFSET(INTR, P_INT_STAT)); | 156 | ASIC3_OFFSET(INTR, P_INT_STAT)); |
157 | spin_unlock_irqrestore(&asic->lock, flags); | 157 | spin_unlock_irqrestore(&asic->lock, flags); |
158 | 158 | ||
159 | /* Check all ten register bits */ | 159 | /* Check all ten register bits */ |
160 | if ((status & 0x3ff) == 0) | 160 | if ((status & 0x3ff) == 0) |
161 | break; | 161 | break; |
162 | 162 | ||
163 | /* Handle GPIO IRQs */ | 163 | /* Handle GPIO IRQs */ |
164 | for (bank = 0; bank < ASIC3_NUM_GPIO_BANKS; bank++) { | 164 | for (bank = 0; bank < ASIC3_NUM_GPIO_BANKS; bank++) { |
165 | if (status & (1 << bank)) { | 165 | if (status & (1 << bank)) { |
166 | unsigned long base, istat; | 166 | unsigned long base, istat; |
167 | 167 | ||
168 | base = ASIC3_GPIO_A_BASE | 168 | base = ASIC3_GPIO_A_BASE |
169 | + bank * ASIC3_GPIO_BASE_INCR; | 169 | + bank * ASIC3_GPIO_BASE_INCR; |
170 | 170 | ||
171 | spin_lock_irqsave(&asic->lock, flags); | 171 | spin_lock_irqsave(&asic->lock, flags); |
172 | istat = asic3_read_register(asic, | 172 | istat = asic3_read_register(asic, |
173 | base + | 173 | base + |
174 | ASIC3_GPIO_INT_STATUS); | 174 | ASIC3_GPIO_INT_STATUS); |
175 | /* Clearing IntStatus */ | 175 | /* Clearing IntStatus */ |
176 | asic3_write_register(asic, | 176 | asic3_write_register(asic, |
177 | base + | 177 | base + |
178 | ASIC3_GPIO_INT_STATUS, 0); | 178 | ASIC3_GPIO_INT_STATUS, 0); |
179 | spin_unlock_irqrestore(&asic->lock, flags); | 179 | spin_unlock_irqrestore(&asic->lock, flags); |
180 | 180 | ||
181 | for (i = 0; i < ASIC3_GPIOS_PER_BANK; i++) { | 181 | for (i = 0; i < ASIC3_GPIOS_PER_BANK; i++) { |
182 | int bit = (1 << i); | 182 | int bit = (1 << i); |
183 | unsigned int irqnr; | 183 | unsigned int irqnr; |
184 | 184 | ||
185 | if (!(istat & bit)) | 185 | if (!(istat & bit)) |
186 | continue; | 186 | continue; |
187 | 187 | ||
188 | irqnr = asic->irq_base + | 188 | irqnr = asic->irq_base + |
189 | (ASIC3_GPIOS_PER_BANK * bank) | 189 | (ASIC3_GPIOS_PER_BANK * bank) |
190 | + i; | 190 | + i; |
191 | desc = irq_to_desc(irqnr); | 191 | desc = irq_to_desc(irqnr); |
192 | desc->handle_irq(irqnr, desc); | 192 | desc->handle_irq(irqnr, desc); |
193 | if (asic->irq_bothedge[bank] & bit) | 193 | if (asic->irq_bothedge[bank] & bit) |
194 | asic3_irq_flip_edge(asic, base, | 194 | asic3_irq_flip_edge(asic, base, |
195 | bit); | 195 | bit); |
196 | } | 196 | } |
197 | } | 197 | } |
198 | } | 198 | } |
199 | 199 | ||
200 | /* Handle remaining IRQs in the status register */ | 200 | /* Handle remaining IRQs in the status register */ |
201 | for (i = ASIC3_NUM_GPIOS; i < ASIC3_NR_IRQS; i++) { | 201 | for (i = ASIC3_NUM_GPIOS; i < ASIC3_NR_IRQS; i++) { |
202 | /* They start at bit 4 and go up */ | 202 | /* They start at bit 4 and go up */ |
203 | if (status & (1 << (i - ASIC3_NUM_GPIOS + 4))) { | 203 | if (status & (1 << (i - ASIC3_NUM_GPIOS + 4))) { |
204 | desc = irq_to_desc(asic->irq_base + i); | 204 | desc = irq_to_desc(asic->irq_base + i); |
205 | desc->handle_irq(asic->irq_base + i, | 205 | desc->handle_irq(asic->irq_base + i, |
206 | desc); | 206 | desc); |
207 | } | 207 | } |
208 | } | 208 | } |
209 | } | 209 | } |
210 | 210 | ||
211 | if (iter >= MAX_ASIC_ISR_LOOPS) | 211 | if (iter >= MAX_ASIC_ISR_LOOPS) |
212 | dev_err(asic->dev, "interrupt processing overrun\n"); | 212 | dev_err(asic->dev, "interrupt processing overrun\n"); |
213 | } | 213 | } |
214 | 214 | ||
215 | static inline int asic3_irq_to_bank(struct asic3 *asic, int irq) | 215 | static inline int asic3_irq_to_bank(struct asic3 *asic, int irq) |
216 | { | 216 | { |
217 | int n; | 217 | int n; |
218 | 218 | ||
219 | n = (irq - asic->irq_base) >> 4; | 219 | n = (irq - asic->irq_base) >> 4; |
220 | 220 | ||
221 | return (n * (ASIC3_GPIO_B_BASE - ASIC3_GPIO_A_BASE)); | 221 | return (n * (ASIC3_GPIO_B_BASE - ASIC3_GPIO_A_BASE)); |
222 | } | 222 | } |
223 | 223 | ||
224 | static inline int asic3_irq_to_index(struct asic3 *asic, int irq) | 224 | static inline int asic3_irq_to_index(struct asic3 *asic, int irq) |
225 | { | 225 | { |
226 | return (irq - asic->irq_base) & 0xf; | 226 | return (irq - asic->irq_base) & 0xf; |
227 | } | 227 | } |
228 | 228 | ||
229 | static void asic3_mask_gpio_irq(struct irq_data *data) | 229 | static void asic3_mask_gpio_irq(struct irq_data *data) |
230 | { | 230 | { |
231 | struct asic3 *asic = irq_data_get_irq_chip_data(data); | 231 | struct asic3 *asic = irq_data_get_irq_chip_data(data); |
232 | u32 val, bank, index; | 232 | u32 val, bank, index; |
233 | unsigned long flags; | 233 | unsigned long flags; |
234 | 234 | ||
235 | bank = asic3_irq_to_bank(asic, data->irq); | 235 | bank = asic3_irq_to_bank(asic, data->irq); |
236 | index = asic3_irq_to_index(asic, data->irq); | 236 | index = asic3_irq_to_index(asic, data->irq); |
237 | 237 | ||
238 | spin_lock_irqsave(&asic->lock, flags); | 238 | spin_lock_irqsave(&asic->lock, flags); |
239 | val = asic3_read_register(asic, bank + ASIC3_GPIO_MASK); | 239 | val = asic3_read_register(asic, bank + ASIC3_GPIO_MASK); |
240 | val |= 1 << index; | 240 | val |= 1 << index; |
241 | asic3_write_register(asic, bank + ASIC3_GPIO_MASK, val); | 241 | asic3_write_register(asic, bank + ASIC3_GPIO_MASK, val); |
242 | spin_unlock_irqrestore(&asic->lock, flags); | 242 | spin_unlock_irqrestore(&asic->lock, flags); |
243 | } | 243 | } |
244 | 244 | ||
245 | static void asic3_mask_irq(struct irq_data *data) | 245 | static void asic3_mask_irq(struct irq_data *data) |
246 | { | 246 | { |
247 | struct asic3 *asic = irq_data_get_irq_chip_data(data); | 247 | struct asic3 *asic = irq_data_get_irq_chip_data(data); |
248 | int regval; | 248 | int regval; |
249 | unsigned long flags; | 249 | unsigned long flags; |
250 | 250 | ||
251 | spin_lock_irqsave(&asic->lock, flags); | 251 | spin_lock_irqsave(&asic->lock, flags); |
252 | regval = asic3_read_register(asic, | 252 | regval = asic3_read_register(asic, |
253 | ASIC3_INTR_BASE + | 253 | ASIC3_INTR_BASE + |
254 | ASIC3_INTR_INT_MASK); | 254 | ASIC3_INTR_INT_MASK); |
255 | 255 | ||
256 | regval &= ~(ASIC3_INTMASK_MASK0 << | 256 | regval &= ~(ASIC3_INTMASK_MASK0 << |
257 | (data->irq - (asic->irq_base + ASIC3_NUM_GPIOS))); | 257 | (data->irq - (asic->irq_base + ASIC3_NUM_GPIOS))); |
258 | 258 | ||
259 | asic3_write_register(asic, | 259 | asic3_write_register(asic, |
260 | ASIC3_INTR_BASE + | 260 | ASIC3_INTR_BASE + |
261 | ASIC3_INTR_INT_MASK, | 261 | ASIC3_INTR_INT_MASK, |
262 | regval); | 262 | regval); |
263 | spin_unlock_irqrestore(&asic->lock, flags); | 263 | spin_unlock_irqrestore(&asic->lock, flags); |
264 | } | 264 | } |
265 | 265 | ||
266 | static void asic3_unmask_gpio_irq(struct irq_data *data) | 266 | static void asic3_unmask_gpio_irq(struct irq_data *data) |
267 | { | 267 | { |
268 | struct asic3 *asic = irq_data_get_irq_chip_data(data); | 268 | struct asic3 *asic = irq_data_get_irq_chip_data(data); |
269 | u32 val, bank, index; | 269 | u32 val, bank, index; |
270 | unsigned long flags; | 270 | unsigned long flags; |
271 | 271 | ||
272 | bank = asic3_irq_to_bank(asic, data->irq); | 272 | bank = asic3_irq_to_bank(asic, data->irq); |
273 | index = asic3_irq_to_index(asic, data->irq); | 273 | index = asic3_irq_to_index(asic, data->irq); |
274 | 274 | ||
275 | spin_lock_irqsave(&asic->lock, flags); | 275 | spin_lock_irqsave(&asic->lock, flags); |
276 | val = asic3_read_register(asic, bank + ASIC3_GPIO_MASK); | 276 | val = asic3_read_register(asic, bank + ASIC3_GPIO_MASK); |
277 | val &= ~(1 << index); | 277 | val &= ~(1 << index); |
278 | asic3_write_register(asic, bank + ASIC3_GPIO_MASK, val); | 278 | asic3_write_register(asic, bank + ASIC3_GPIO_MASK, val); |
279 | spin_unlock_irqrestore(&asic->lock, flags); | 279 | spin_unlock_irqrestore(&asic->lock, flags); |
280 | } | 280 | } |
281 | 281 | ||
282 | static void asic3_unmask_irq(struct irq_data *data) | 282 | static void asic3_unmask_irq(struct irq_data *data) |
283 | { | 283 | { |
284 | struct asic3 *asic = irq_data_get_irq_chip_data(data); | 284 | struct asic3 *asic = irq_data_get_irq_chip_data(data); |
285 | int regval; | 285 | int regval; |
286 | unsigned long flags; | 286 | unsigned long flags; |
287 | 287 | ||
288 | spin_lock_irqsave(&asic->lock, flags); | 288 | spin_lock_irqsave(&asic->lock, flags); |
289 | regval = asic3_read_register(asic, | 289 | regval = asic3_read_register(asic, |
290 | ASIC3_INTR_BASE + | 290 | ASIC3_INTR_BASE + |
291 | ASIC3_INTR_INT_MASK); | 291 | ASIC3_INTR_INT_MASK); |
292 | 292 | ||
293 | regval |= (ASIC3_INTMASK_MASK0 << | 293 | regval |= (ASIC3_INTMASK_MASK0 << |
294 | (data->irq - (asic->irq_base + ASIC3_NUM_GPIOS))); | 294 | (data->irq - (asic->irq_base + ASIC3_NUM_GPIOS))); |
295 | 295 | ||
296 | asic3_write_register(asic, | 296 | asic3_write_register(asic, |
297 | ASIC3_INTR_BASE + | 297 | ASIC3_INTR_BASE + |
298 | ASIC3_INTR_INT_MASK, | 298 | ASIC3_INTR_INT_MASK, |
299 | regval); | 299 | regval); |
300 | spin_unlock_irqrestore(&asic->lock, flags); | 300 | spin_unlock_irqrestore(&asic->lock, flags); |
301 | } | 301 | } |
302 | 302 | ||
303 | static int asic3_gpio_irq_type(struct irq_data *data, unsigned int type) | 303 | static int asic3_gpio_irq_type(struct irq_data *data, unsigned int type) |
304 | { | 304 | { |
305 | struct asic3 *asic = irq_data_get_irq_chip_data(data); | 305 | struct asic3 *asic = irq_data_get_irq_chip_data(data); |
306 | u32 bank, index; | 306 | u32 bank, index; |
307 | u16 trigger, level, edge, bit; | 307 | u16 trigger, level, edge, bit; |
308 | unsigned long flags; | 308 | unsigned long flags; |
309 | 309 | ||
310 | bank = asic3_irq_to_bank(asic, data->irq); | 310 | bank = asic3_irq_to_bank(asic, data->irq); |
311 | index = asic3_irq_to_index(asic, data->irq); | 311 | index = asic3_irq_to_index(asic, data->irq); |
312 | bit = 1<<index; | 312 | bit = 1<<index; |
313 | 313 | ||
314 | spin_lock_irqsave(&asic->lock, flags); | 314 | spin_lock_irqsave(&asic->lock, flags); |
315 | level = asic3_read_register(asic, | 315 | level = asic3_read_register(asic, |
316 | bank + ASIC3_GPIO_LEVEL_TRIGGER); | 316 | bank + ASIC3_GPIO_LEVEL_TRIGGER); |
317 | edge = asic3_read_register(asic, | 317 | edge = asic3_read_register(asic, |
318 | bank + ASIC3_GPIO_EDGE_TRIGGER); | 318 | bank + ASIC3_GPIO_EDGE_TRIGGER); |
319 | trigger = asic3_read_register(asic, | 319 | trigger = asic3_read_register(asic, |
320 | bank + ASIC3_GPIO_TRIGGER_TYPE); | 320 | bank + ASIC3_GPIO_TRIGGER_TYPE); |
321 | asic->irq_bothedge[(data->irq - asic->irq_base) >> 4] &= ~bit; | 321 | asic->irq_bothedge[(data->irq - asic->irq_base) >> 4] &= ~bit; |
322 | 322 | ||
323 | if (type == IRQ_TYPE_EDGE_RISING) { | 323 | if (type == IRQ_TYPE_EDGE_RISING) { |
324 | trigger |= bit; | 324 | trigger |= bit; |
325 | edge |= bit; | 325 | edge |= bit; |
326 | } else if (type == IRQ_TYPE_EDGE_FALLING) { | 326 | } else if (type == IRQ_TYPE_EDGE_FALLING) { |
327 | trigger |= bit; | 327 | trigger |= bit; |
328 | edge &= ~bit; | 328 | edge &= ~bit; |
329 | } else if (type == IRQ_TYPE_EDGE_BOTH) { | 329 | } else if (type == IRQ_TYPE_EDGE_BOTH) { |
330 | trigger |= bit; | 330 | trigger |= bit; |
331 | if (asic3_gpio_get(&asic->gpio, data->irq - asic->irq_base)) | 331 | if (asic3_gpio_get(&asic->gpio, data->irq - asic->irq_base)) |
332 | edge &= ~bit; | 332 | edge &= ~bit; |
333 | else | 333 | else |
334 | edge |= bit; | 334 | edge |= bit; |
335 | asic->irq_bothedge[(data->irq - asic->irq_base) >> 4] |= bit; | 335 | asic->irq_bothedge[(data->irq - asic->irq_base) >> 4] |= bit; |
336 | } else if (type == IRQ_TYPE_LEVEL_LOW) { | 336 | } else if (type == IRQ_TYPE_LEVEL_LOW) { |
337 | trigger &= ~bit; | 337 | trigger &= ~bit; |
338 | level &= ~bit; | 338 | level &= ~bit; |
339 | } else if (type == IRQ_TYPE_LEVEL_HIGH) { | 339 | } else if (type == IRQ_TYPE_LEVEL_HIGH) { |
340 | trigger &= ~bit; | 340 | trigger &= ~bit; |
341 | level |= bit; | 341 | level |= bit; |
342 | } else { | 342 | } else { |
343 | /* | 343 | /* |
344 | * if type == IRQ_TYPE_NONE, we should mask interrupts, but | 344 | * if type == IRQ_TYPE_NONE, we should mask interrupts, but |
345 | * be careful to not unmask them if mask was also called. | 345 | * be careful to not unmask them if mask was also called. |
346 | * Probably need internal state for mask. | 346 | * Probably need internal state for mask. |
347 | */ | 347 | */ |
348 | dev_notice(asic->dev, "irq type not changed\n"); | 348 | dev_notice(asic->dev, "irq type not changed\n"); |
349 | } | 349 | } |
350 | asic3_write_register(asic, bank + ASIC3_GPIO_LEVEL_TRIGGER, | 350 | asic3_write_register(asic, bank + ASIC3_GPIO_LEVEL_TRIGGER, |
351 | level); | 351 | level); |
352 | asic3_write_register(asic, bank + ASIC3_GPIO_EDGE_TRIGGER, | 352 | asic3_write_register(asic, bank + ASIC3_GPIO_EDGE_TRIGGER, |
353 | edge); | 353 | edge); |
354 | asic3_write_register(asic, bank + ASIC3_GPIO_TRIGGER_TYPE, | 354 | asic3_write_register(asic, bank + ASIC3_GPIO_TRIGGER_TYPE, |
355 | trigger); | 355 | trigger); |
356 | spin_unlock_irqrestore(&asic->lock, flags); | 356 | spin_unlock_irqrestore(&asic->lock, flags); |
357 | return 0; | 357 | return 0; |
358 | } | 358 | } |
359 | 359 | ||
360 | static struct irq_chip asic3_gpio_irq_chip = { | 360 | static struct irq_chip asic3_gpio_irq_chip = { |
361 | .name = "ASIC3-GPIO", | 361 | .name = "ASIC3-GPIO", |
362 | .irq_ack = asic3_mask_gpio_irq, | 362 | .irq_ack = asic3_mask_gpio_irq, |
363 | .irq_mask = asic3_mask_gpio_irq, | 363 | .irq_mask = asic3_mask_gpio_irq, |
364 | .irq_unmask = asic3_unmask_gpio_irq, | 364 | .irq_unmask = asic3_unmask_gpio_irq, |
365 | .irq_set_type = asic3_gpio_irq_type, | 365 | .irq_set_type = asic3_gpio_irq_type, |
366 | }; | 366 | }; |
367 | 367 | ||
368 | static struct irq_chip asic3_irq_chip = { | 368 | static struct irq_chip asic3_irq_chip = { |
369 | .name = "ASIC3", | 369 | .name = "ASIC3", |
370 | .irq_ack = asic3_mask_irq, | 370 | .irq_ack = asic3_mask_irq, |
371 | .irq_mask = asic3_mask_irq, | 371 | .irq_mask = asic3_mask_irq, |
372 | .irq_unmask = asic3_unmask_irq, | 372 | .irq_unmask = asic3_unmask_irq, |
373 | }; | 373 | }; |
374 | 374 | ||
375 | static int __init asic3_irq_probe(struct platform_device *pdev) | 375 | static int __init asic3_irq_probe(struct platform_device *pdev) |
376 | { | 376 | { |
377 | struct asic3 *asic = platform_get_drvdata(pdev); | 377 | struct asic3 *asic = platform_get_drvdata(pdev); |
378 | unsigned long clksel = 0; | 378 | unsigned long clksel = 0; |
379 | unsigned int irq, irq_base; | 379 | unsigned int irq, irq_base; |
380 | int ret; | 380 | int ret; |
381 | 381 | ||
382 | ret = platform_get_irq(pdev, 0); | 382 | ret = platform_get_irq(pdev, 0); |
383 | if (ret < 0) | 383 | if (ret < 0) |
384 | return ret; | 384 | return ret; |
385 | asic->irq_nr = ret; | 385 | asic->irq_nr = ret; |
386 | 386 | ||
387 | /* turn on clock to IRQ controller */ | 387 | /* turn on clock to IRQ controller */ |
388 | clksel |= CLOCK_SEL_CX; | 388 | clksel |= CLOCK_SEL_CX; |
389 | asic3_write_register(asic, ASIC3_OFFSET(CLOCK, SEL), | 389 | asic3_write_register(asic, ASIC3_OFFSET(CLOCK, SEL), |
390 | clksel); | 390 | clksel); |
391 | 391 | ||
392 | irq_base = asic->irq_base; | 392 | irq_base = asic->irq_base; |
393 | 393 | ||
394 | for (irq = irq_base; irq < irq_base + ASIC3_NR_IRQS; irq++) { | 394 | for (irq = irq_base; irq < irq_base + ASIC3_NR_IRQS; irq++) { |
395 | if (irq < asic->irq_base + ASIC3_NUM_GPIOS) | 395 | if (irq < asic->irq_base + ASIC3_NUM_GPIOS) |
396 | set_irq_chip(irq, &asic3_gpio_irq_chip); | 396 | set_irq_chip(irq, &asic3_gpio_irq_chip); |
397 | else | 397 | else |
398 | set_irq_chip(irq, &asic3_irq_chip); | 398 | set_irq_chip(irq, &asic3_irq_chip); |
399 | 399 | ||
400 | set_irq_chip_data(irq, asic); | 400 | set_irq_chip_data(irq, asic); |
401 | set_irq_handler(irq, handle_level_irq); | 401 | set_irq_handler(irq, handle_level_irq); |
402 | set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); | 402 | set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); |
403 | } | 403 | } |
404 | 404 | ||
405 | asic3_write_register(asic, ASIC3_OFFSET(INTR, INT_MASK), | 405 | asic3_write_register(asic, ASIC3_OFFSET(INTR, INT_MASK), |
406 | ASIC3_INTMASK_GINTMASK); | 406 | ASIC3_INTMASK_GINTMASK); |
407 | 407 | ||
408 | set_irq_chained_handler(asic->irq_nr, asic3_irq_demux); | 408 | set_irq_chained_handler(asic->irq_nr, asic3_irq_demux); |
409 | set_irq_type(asic->irq_nr, IRQ_TYPE_EDGE_RISING); | 409 | set_irq_type(asic->irq_nr, IRQ_TYPE_EDGE_RISING); |
410 | set_irq_data(asic->irq_nr, asic); | 410 | set_irq_data(asic->irq_nr, asic); |
411 | 411 | ||
412 | return 0; | 412 | return 0; |
413 | } | 413 | } |
414 | 414 | ||
415 | static void asic3_irq_remove(struct platform_device *pdev) | 415 | static void asic3_irq_remove(struct platform_device *pdev) |
416 | { | 416 | { |
417 | struct asic3 *asic = platform_get_drvdata(pdev); | 417 | struct asic3 *asic = platform_get_drvdata(pdev); |
418 | unsigned int irq, irq_base; | 418 | unsigned int irq, irq_base; |
419 | 419 | ||
420 | irq_base = asic->irq_base; | 420 | irq_base = asic->irq_base; |
421 | 421 | ||
422 | for (irq = irq_base; irq < irq_base + ASIC3_NR_IRQS; irq++) { | 422 | for (irq = irq_base; irq < irq_base + ASIC3_NR_IRQS; irq++) { |
423 | set_irq_flags(irq, 0); | 423 | set_irq_flags(irq, 0); |
424 | set_irq_handler(irq, NULL); | 424 | set_irq_handler(irq, NULL); |
425 | set_irq_chip(irq, NULL); | 425 | set_irq_chip(irq, NULL); |
426 | set_irq_chip_data(irq, NULL); | 426 | set_irq_chip_data(irq, NULL); |
427 | } | 427 | } |
428 | set_irq_chained_handler(asic->irq_nr, NULL); | 428 | set_irq_chained_handler(asic->irq_nr, NULL); |
429 | } | 429 | } |
430 | 430 | ||
431 | /* GPIOs */ | 431 | /* GPIOs */ |
432 | static int asic3_gpio_direction(struct gpio_chip *chip, | 432 | static int asic3_gpio_direction(struct gpio_chip *chip, |
433 | unsigned offset, int out) | 433 | unsigned offset, int out) |
434 | { | 434 | { |
435 | u32 mask = ASIC3_GPIO_TO_MASK(offset), out_reg; | 435 | u32 mask = ASIC3_GPIO_TO_MASK(offset), out_reg; |
436 | unsigned int gpio_base; | 436 | unsigned int gpio_base; |
437 | unsigned long flags; | 437 | unsigned long flags; |
438 | struct asic3 *asic; | 438 | struct asic3 *asic; |
439 | 439 | ||
440 | asic = container_of(chip, struct asic3, gpio); | 440 | asic = container_of(chip, struct asic3, gpio); |
441 | gpio_base = ASIC3_GPIO_TO_BASE(offset); | 441 | gpio_base = ASIC3_GPIO_TO_BASE(offset); |
442 | 442 | ||
443 | if (gpio_base > ASIC3_GPIO_D_BASE) { | 443 | if (gpio_base > ASIC3_GPIO_D_BASE) { |
444 | dev_err(asic->dev, "Invalid base (0x%x) for gpio %d\n", | 444 | dev_err(asic->dev, "Invalid base (0x%x) for gpio %d\n", |
445 | gpio_base, offset); | 445 | gpio_base, offset); |
446 | return -EINVAL; | 446 | return -EINVAL; |
447 | } | 447 | } |
448 | 448 | ||
449 | spin_lock_irqsave(&asic->lock, flags); | 449 | spin_lock_irqsave(&asic->lock, flags); |
450 | 450 | ||
451 | out_reg = asic3_read_register(asic, gpio_base + ASIC3_GPIO_DIRECTION); | 451 | out_reg = asic3_read_register(asic, gpio_base + ASIC3_GPIO_DIRECTION); |
452 | 452 | ||
453 | /* Input is 0, Output is 1 */ | 453 | /* Input is 0, Output is 1 */ |
454 | if (out) | 454 | if (out) |
455 | out_reg |= mask; | 455 | out_reg |= mask; |
456 | else | 456 | else |
457 | out_reg &= ~mask; | 457 | out_reg &= ~mask; |
458 | 458 | ||
459 | asic3_write_register(asic, gpio_base + ASIC3_GPIO_DIRECTION, out_reg); | 459 | asic3_write_register(asic, gpio_base + ASIC3_GPIO_DIRECTION, out_reg); |
460 | 460 | ||
461 | spin_unlock_irqrestore(&asic->lock, flags); | 461 | spin_unlock_irqrestore(&asic->lock, flags); |
462 | 462 | ||
463 | return 0; | 463 | return 0; |
464 | 464 | ||
465 | } | 465 | } |
466 | 466 | ||
467 | static int asic3_gpio_direction_input(struct gpio_chip *chip, | 467 | static int asic3_gpio_direction_input(struct gpio_chip *chip, |
468 | unsigned offset) | 468 | unsigned offset) |
469 | { | 469 | { |
470 | return asic3_gpio_direction(chip, offset, 0); | 470 | return asic3_gpio_direction(chip, offset, 0); |
471 | } | 471 | } |
472 | 472 | ||
473 | static int asic3_gpio_direction_output(struct gpio_chip *chip, | 473 | static int asic3_gpio_direction_output(struct gpio_chip *chip, |
474 | unsigned offset, int value) | 474 | unsigned offset, int value) |
475 | { | 475 | { |
476 | return asic3_gpio_direction(chip, offset, 1); | 476 | return asic3_gpio_direction(chip, offset, 1); |
477 | } | 477 | } |
478 | 478 | ||
479 | static int asic3_gpio_get(struct gpio_chip *chip, | 479 | static int asic3_gpio_get(struct gpio_chip *chip, |
480 | unsigned offset) | 480 | unsigned offset) |
481 | { | 481 | { |
482 | unsigned int gpio_base; | 482 | unsigned int gpio_base; |
483 | u32 mask = ASIC3_GPIO_TO_MASK(offset); | 483 | u32 mask = ASIC3_GPIO_TO_MASK(offset); |
484 | struct asic3 *asic; | 484 | struct asic3 *asic; |
485 | 485 | ||
486 | asic = container_of(chip, struct asic3, gpio); | 486 | asic = container_of(chip, struct asic3, gpio); |
487 | gpio_base = ASIC3_GPIO_TO_BASE(offset); | 487 | gpio_base = ASIC3_GPIO_TO_BASE(offset); |
488 | 488 | ||
489 | if (gpio_base > ASIC3_GPIO_D_BASE) { | 489 | if (gpio_base > ASIC3_GPIO_D_BASE) { |
490 | dev_err(asic->dev, "Invalid base (0x%x) for gpio %d\n", | 490 | dev_err(asic->dev, "Invalid base (0x%x) for gpio %d\n", |
491 | gpio_base, offset); | 491 | gpio_base, offset); |
492 | return -EINVAL; | 492 | return -EINVAL; |
493 | } | 493 | } |
494 | 494 | ||
495 | return asic3_read_register(asic, gpio_base + ASIC3_GPIO_STATUS) & mask; | 495 | return asic3_read_register(asic, gpio_base + ASIC3_GPIO_STATUS) & mask; |
496 | } | 496 | } |
497 | 497 | ||
498 | static void asic3_gpio_set(struct gpio_chip *chip, | 498 | static void asic3_gpio_set(struct gpio_chip *chip, |
499 | unsigned offset, int value) | 499 | unsigned offset, int value) |
500 | { | 500 | { |
501 | u32 mask, out_reg; | 501 | u32 mask, out_reg; |
502 | unsigned int gpio_base; | 502 | unsigned int gpio_base; |
503 | unsigned long flags; | 503 | unsigned long flags; |
504 | struct asic3 *asic; | 504 | struct asic3 *asic; |
505 | 505 | ||
506 | asic = container_of(chip, struct asic3, gpio); | 506 | asic = container_of(chip, struct asic3, gpio); |
507 | gpio_base = ASIC3_GPIO_TO_BASE(offset); | 507 | gpio_base = ASIC3_GPIO_TO_BASE(offset); |
508 | 508 | ||
509 | if (gpio_base > ASIC3_GPIO_D_BASE) { | 509 | if (gpio_base > ASIC3_GPIO_D_BASE) { |
510 | dev_err(asic->dev, "Invalid base (0x%x) for gpio %d\n", | 510 | dev_err(asic->dev, "Invalid base (0x%x) for gpio %d\n", |
511 | gpio_base, offset); | 511 | gpio_base, offset); |
512 | return; | 512 | return; |
513 | } | 513 | } |
514 | 514 | ||
515 | mask = ASIC3_GPIO_TO_MASK(offset); | 515 | mask = ASIC3_GPIO_TO_MASK(offset); |
516 | 516 | ||
517 | spin_lock_irqsave(&asic->lock, flags); | 517 | spin_lock_irqsave(&asic->lock, flags); |
518 | 518 | ||
519 | out_reg = asic3_read_register(asic, gpio_base + ASIC3_GPIO_OUT); | 519 | out_reg = asic3_read_register(asic, gpio_base + ASIC3_GPIO_OUT); |
520 | 520 | ||
521 | if (value) | 521 | if (value) |
522 | out_reg |= mask; | 522 | out_reg |= mask; |
523 | else | 523 | else |
524 | out_reg &= ~mask; | 524 | out_reg &= ~mask; |
525 | 525 | ||
526 | asic3_write_register(asic, gpio_base + ASIC3_GPIO_OUT, out_reg); | 526 | asic3_write_register(asic, gpio_base + ASIC3_GPIO_OUT, out_reg); |
527 | 527 | ||
528 | spin_unlock_irqrestore(&asic->lock, flags); | 528 | spin_unlock_irqrestore(&asic->lock, flags); |
529 | 529 | ||
530 | return; | 530 | return; |
531 | } | 531 | } |
532 | 532 | ||
533 | static __init int asic3_gpio_probe(struct platform_device *pdev, | 533 | static __init int asic3_gpio_probe(struct platform_device *pdev, |
534 | u16 *gpio_config, int num) | 534 | u16 *gpio_config, int num) |
535 | { | 535 | { |
536 | struct asic3 *asic = platform_get_drvdata(pdev); | 536 | struct asic3 *asic = platform_get_drvdata(pdev); |
537 | u16 alt_reg[ASIC3_NUM_GPIO_BANKS]; | 537 | u16 alt_reg[ASIC3_NUM_GPIO_BANKS]; |
538 | u16 out_reg[ASIC3_NUM_GPIO_BANKS]; | 538 | u16 out_reg[ASIC3_NUM_GPIO_BANKS]; |
539 | u16 dir_reg[ASIC3_NUM_GPIO_BANKS]; | 539 | u16 dir_reg[ASIC3_NUM_GPIO_BANKS]; |
540 | int i; | 540 | int i; |
541 | 541 | ||
542 | memset(alt_reg, 0, ASIC3_NUM_GPIO_BANKS * sizeof(u16)); | 542 | memset(alt_reg, 0, ASIC3_NUM_GPIO_BANKS * sizeof(u16)); |
543 | memset(out_reg, 0, ASIC3_NUM_GPIO_BANKS * sizeof(u16)); | 543 | memset(out_reg, 0, ASIC3_NUM_GPIO_BANKS * sizeof(u16)); |
544 | memset(dir_reg, 0, ASIC3_NUM_GPIO_BANKS * sizeof(u16)); | 544 | memset(dir_reg, 0, ASIC3_NUM_GPIO_BANKS * sizeof(u16)); |
545 | 545 | ||
546 | /* Enable all GPIOs */ | 546 | /* Enable all GPIOs */ |
547 | asic3_write_register(asic, ASIC3_GPIO_OFFSET(A, MASK), 0xffff); | 547 | asic3_write_register(asic, ASIC3_GPIO_OFFSET(A, MASK), 0xffff); |
548 | asic3_write_register(asic, ASIC3_GPIO_OFFSET(B, MASK), 0xffff); | 548 | asic3_write_register(asic, ASIC3_GPIO_OFFSET(B, MASK), 0xffff); |
549 | asic3_write_register(asic, ASIC3_GPIO_OFFSET(C, MASK), 0xffff); | 549 | asic3_write_register(asic, ASIC3_GPIO_OFFSET(C, MASK), 0xffff); |
550 | asic3_write_register(asic, ASIC3_GPIO_OFFSET(D, MASK), 0xffff); | 550 | asic3_write_register(asic, ASIC3_GPIO_OFFSET(D, MASK), 0xffff); |
551 | 551 | ||
552 | for (i = 0; i < num; i++) { | 552 | for (i = 0; i < num; i++) { |
553 | u8 alt, pin, dir, init, bank_num, bit_num; | 553 | u8 alt, pin, dir, init, bank_num, bit_num; |
554 | u16 config = gpio_config[i]; | 554 | u16 config = gpio_config[i]; |
555 | 555 | ||
556 | pin = ASIC3_CONFIG_GPIO_PIN(config); | 556 | pin = ASIC3_CONFIG_GPIO_PIN(config); |
557 | alt = ASIC3_CONFIG_GPIO_ALT(config); | 557 | alt = ASIC3_CONFIG_GPIO_ALT(config); |
558 | dir = ASIC3_CONFIG_GPIO_DIR(config); | 558 | dir = ASIC3_CONFIG_GPIO_DIR(config); |
559 | init = ASIC3_CONFIG_GPIO_INIT(config); | 559 | init = ASIC3_CONFIG_GPIO_INIT(config); |
560 | 560 | ||
561 | bank_num = ASIC3_GPIO_TO_BANK(pin); | 561 | bank_num = ASIC3_GPIO_TO_BANK(pin); |
562 | bit_num = ASIC3_GPIO_TO_BIT(pin); | 562 | bit_num = ASIC3_GPIO_TO_BIT(pin); |
563 | 563 | ||
564 | alt_reg[bank_num] |= (alt << bit_num); | 564 | alt_reg[bank_num] |= (alt << bit_num); |
565 | out_reg[bank_num] |= (init << bit_num); | 565 | out_reg[bank_num] |= (init << bit_num); |
566 | dir_reg[bank_num] |= (dir << bit_num); | 566 | dir_reg[bank_num] |= (dir << bit_num); |
567 | } | 567 | } |
568 | 568 | ||
569 | for (i = 0; i < ASIC3_NUM_GPIO_BANKS; i++) { | 569 | for (i = 0; i < ASIC3_NUM_GPIO_BANKS; i++) { |
570 | asic3_write_register(asic, | 570 | asic3_write_register(asic, |
571 | ASIC3_BANK_TO_BASE(i) + | 571 | ASIC3_BANK_TO_BASE(i) + |
572 | ASIC3_GPIO_DIRECTION, | 572 | ASIC3_GPIO_DIRECTION, |
573 | dir_reg[i]); | 573 | dir_reg[i]); |
574 | asic3_write_register(asic, | 574 | asic3_write_register(asic, |
575 | ASIC3_BANK_TO_BASE(i) + ASIC3_GPIO_OUT, | 575 | ASIC3_BANK_TO_BASE(i) + ASIC3_GPIO_OUT, |
576 | out_reg[i]); | 576 | out_reg[i]); |
577 | asic3_write_register(asic, | 577 | asic3_write_register(asic, |
578 | ASIC3_BANK_TO_BASE(i) + | 578 | ASIC3_BANK_TO_BASE(i) + |
579 | ASIC3_GPIO_ALT_FUNCTION, | 579 | ASIC3_GPIO_ALT_FUNCTION, |
580 | alt_reg[i]); | 580 | alt_reg[i]); |
581 | } | 581 | } |
582 | 582 | ||
583 | return gpiochip_add(&asic->gpio); | 583 | return gpiochip_add(&asic->gpio); |
584 | } | 584 | } |
585 | 585 | ||
586 | static int asic3_gpio_remove(struct platform_device *pdev) | 586 | static int asic3_gpio_remove(struct platform_device *pdev) |
587 | { | 587 | { |
588 | struct asic3 *asic = platform_get_drvdata(pdev); | 588 | struct asic3 *asic = platform_get_drvdata(pdev); |
589 | 589 | ||
590 | return gpiochip_remove(&asic->gpio); | 590 | return gpiochip_remove(&asic->gpio); |
591 | } | 591 | } |
592 | 592 | ||
593 | static int asic3_clk_enable(struct asic3 *asic, struct asic3_clk *clk) | 593 | static int asic3_clk_enable(struct asic3 *asic, struct asic3_clk *clk) |
594 | { | 594 | { |
595 | unsigned long flags; | 595 | unsigned long flags; |
596 | u32 cdex; | 596 | u32 cdex; |
597 | 597 | ||
598 | spin_lock_irqsave(&asic->lock, flags); | 598 | spin_lock_irqsave(&asic->lock, flags); |
599 | if (clk->enabled++ == 0) { | 599 | if (clk->enabled++ == 0) { |
600 | cdex = asic3_read_register(asic, ASIC3_OFFSET(CLOCK, CDEX)); | 600 | cdex = asic3_read_register(asic, ASIC3_OFFSET(CLOCK, CDEX)); |
601 | cdex |= clk->cdex; | 601 | cdex |= clk->cdex; |
602 | asic3_write_register(asic, ASIC3_OFFSET(CLOCK, CDEX), cdex); | 602 | asic3_write_register(asic, ASIC3_OFFSET(CLOCK, CDEX), cdex); |
603 | } | 603 | } |
604 | spin_unlock_irqrestore(&asic->lock, flags); | 604 | spin_unlock_irqrestore(&asic->lock, flags); |
605 | 605 | ||
606 | return 0; | 606 | return 0; |
607 | } | 607 | } |
608 | 608 | ||
609 | static void asic3_clk_disable(struct asic3 *asic, struct asic3_clk *clk) | 609 | static void asic3_clk_disable(struct asic3 *asic, struct asic3_clk *clk) |
610 | { | 610 | { |
611 | unsigned long flags; | 611 | unsigned long flags; |
612 | u32 cdex; | 612 | u32 cdex; |
613 | 613 | ||
614 | WARN_ON(clk->enabled == 0); | 614 | WARN_ON(clk->enabled == 0); |
615 | 615 | ||
616 | spin_lock_irqsave(&asic->lock, flags); | 616 | spin_lock_irqsave(&asic->lock, flags); |
617 | if (--clk->enabled == 0) { | 617 | if (--clk->enabled == 0) { |
618 | cdex = asic3_read_register(asic, ASIC3_OFFSET(CLOCK, CDEX)); | 618 | cdex = asic3_read_register(asic, ASIC3_OFFSET(CLOCK, CDEX)); |
619 | cdex &= ~clk->cdex; | 619 | cdex &= ~clk->cdex; |
620 | asic3_write_register(asic, ASIC3_OFFSET(CLOCK, CDEX), cdex); | 620 | asic3_write_register(asic, ASIC3_OFFSET(CLOCK, CDEX), cdex); |
621 | } | 621 | } |
622 | spin_unlock_irqrestore(&asic->lock, flags); | 622 | spin_unlock_irqrestore(&asic->lock, flags); |
623 | } | 623 | } |
624 | 624 | ||
625 | /* MFD cells (SPI, PWM, LED, DS1WM, MMC) */ | 625 | /* MFD cells (SPI, PWM, LED, DS1WM, MMC) */ |
626 | static struct ds1wm_driver_data ds1wm_pdata = { | 626 | static struct ds1wm_driver_data ds1wm_pdata = { |
627 | .active_high = 1, | 627 | .active_high = 1, |
628 | }; | 628 | }; |
629 | 629 | ||
630 | static struct resource ds1wm_resources[] = { | 630 | static struct resource ds1wm_resources[] = { |
631 | { | 631 | { |
632 | .start = ASIC3_OWM_BASE, | 632 | .start = ASIC3_OWM_BASE, |
633 | .end = ASIC3_OWM_BASE + 0x13, | 633 | .end = ASIC3_OWM_BASE + 0x13, |
634 | .flags = IORESOURCE_MEM, | 634 | .flags = IORESOURCE_MEM, |
635 | }, | 635 | }, |
636 | { | 636 | { |
637 | .start = ASIC3_IRQ_OWM, | 637 | .start = ASIC3_IRQ_OWM, |
638 | .end = ASIC3_IRQ_OWM, | 638 | .end = ASIC3_IRQ_OWM, |
639 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, | 639 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
640 | }, | 640 | }, |
641 | }; | 641 | }; |
642 | 642 | ||
643 | static int ds1wm_enable(struct platform_device *pdev) | 643 | static int ds1wm_enable(struct platform_device *pdev) |
644 | { | 644 | { |
645 | struct asic3 *asic = dev_get_drvdata(pdev->dev.parent); | 645 | struct asic3 *asic = dev_get_drvdata(pdev->dev.parent); |
646 | 646 | ||
647 | /* Turn on external clocks and the OWM clock */ | 647 | /* Turn on external clocks and the OWM clock */ |
648 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_EX0]); | 648 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_EX0]); |
649 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_EX1]); | 649 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_EX1]); |
650 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_OWM]); | 650 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_OWM]); |
651 | msleep(1); | 651 | msleep(1); |
652 | 652 | ||
653 | /* Reset and enable DS1WM */ | 653 | /* Reset and enable DS1WM */ |
654 | asic3_set_register(asic, ASIC3_OFFSET(EXTCF, RESET), | 654 | asic3_set_register(asic, ASIC3_OFFSET(EXTCF, RESET), |
655 | ASIC3_EXTCF_OWM_RESET, 1); | 655 | ASIC3_EXTCF_OWM_RESET, 1); |
656 | msleep(1); | 656 | msleep(1); |
657 | asic3_set_register(asic, ASIC3_OFFSET(EXTCF, RESET), | 657 | asic3_set_register(asic, ASIC3_OFFSET(EXTCF, RESET), |
658 | ASIC3_EXTCF_OWM_RESET, 0); | 658 | ASIC3_EXTCF_OWM_RESET, 0); |
659 | msleep(1); | 659 | msleep(1); |
660 | asic3_set_register(asic, ASIC3_OFFSET(EXTCF, SELECT), | 660 | asic3_set_register(asic, ASIC3_OFFSET(EXTCF, SELECT), |
661 | ASIC3_EXTCF_OWM_EN, 1); | 661 | ASIC3_EXTCF_OWM_EN, 1); |
662 | msleep(1); | 662 | msleep(1); |
663 | 663 | ||
664 | return 0; | 664 | return 0; |
665 | } | 665 | } |
666 | 666 | ||
667 | static int ds1wm_disable(struct platform_device *pdev) | 667 | static int ds1wm_disable(struct platform_device *pdev) |
668 | { | 668 | { |
669 | struct asic3 *asic = dev_get_drvdata(pdev->dev.parent); | 669 | struct asic3 *asic = dev_get_drvdata(pdev->dev.parent); |
670 | 670 | ||
671 | asic3_set_register(asic, ASIC3_OFFSET(EXTCF, SELECT), | 671 | asic3_set_register(asic, ASIC3_OFFSET(EXTCF, SELECT), |
672 | ASIC3_EXTCF_OWM_EN, 0); | 672 | ASIC3_EXTCF_OWM_EN, 0); |
673 | 673 | ||
674 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_OWM]); | 674 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_OWM]); |
675 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_EX0]); | 675 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_EX0]); |
676 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_EX1]); | 676 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_EX1]); |
677 | 677 | ||
678 | return 0; | 678 | return 0; |
679 | } | 679 | } |
680 | 680 | ||
681 | static struct mfd_cell asic3_cell_ds1wm = { | 681 | static struct mfd_cell asic3_cell_ds1wm = { |
682 | .name = "ds1wm", | 682 | .name = "ds1wm", |
683 | .enable = ds1wm_enable, | 683 | .enable = ds1wm_enable, |
684 | .disable = ds1wm_disable, | 684 | .disable = ds1wm_disable, |
685 | .driver_data = &ds1wm_pdata, | 685 | .driver_data = &ds1wm_pdata, |
686 | .num_resources = ARRAY_SIZE(ds1wm_resources), | 686 | .num_resources = ARRAY_SIZE(ds1wm_resources), |
687 | .resources = ds1wm_resources, | 687 | .resources = ds1wm_resources, |
688 | }; | 688 | }; |
689 | 689 | ||
690 | static void asic3_mmc_pwr(struct platform_device *pdev, int state) | 690 | static void asic3_mmc_pwr(struct platform_device *pdev, int state) |
691 | { | 691 | { |
692 | struct asic3 *asic = dev_get_drvdata(pdev->dev.parent); | 692 | struct asic3 *asic = dev_get_drvdata(pdev->dev.parent); |
693 | 693 | ||
694 | tmio_core_mmc_pwr(asic->tmio_cnf, 1 - asic->bus_shift, state); | 694 | tmio_core_mmc_pwr(asic->tmio_cnf, 1 - asic->bus_shift, state); |
695 | } | 695 | } |
696 | 696 | ||
697 | static void asic3_mmc_clk_div(struct platform_device *pdev, int state) | 697 | static void asic3_mmc_clk_div(struct platform_device *pdev, int state) |
698 | { | 698 | { |
699 | struct asic3 *asic = dev_get_drvdata(pdev->dev.parent); | 699 | struct asic3 *asic = dev_get_drvdata(pdev->dev.parent); |
700 | 700 | ||
701 | tmio_core_mmc_clk_div(asic->tmio_cnf, 1 - asic->bus_shift, state); | 701 | tmio_core_mmc_clk_div(asic->tmio_cnf, 1 - asic->bus_shift, state); |
702 | } | 702 | } |
703 | 703 | ||
704 | static struct tmio_mmc_data asic3_mmc_data = { | 704 | static struct tmio_mmc_data asic3_mmc_data = { |
705 | .hclk = 24576000, | 705 | .hclk = 24576000, |
706 | .set_pwr = asic3_mmc_pwr, | 706 | .set_pwr = asic3_mmc_pwr, |
707 | .set_clk_div = asic3_mmc_clk_div, | 707 | .set_clk_div = asic3_mmc_clk_div, |
708 | }; | 708 | }; |
709 | 709 | ||
710 | static struct resource asic3_mmc_resources[] = { | 710 | static struct resource asic3_mmc_resources[] = { |
711 | { | 711 | { |
712 | .start = ASIC3_SD_CTRL_BASE, | 712 | .start = ASIC3_SD_CTRL_BASE, |
713 | .end = ASIC3_SD_CTRL_BASE + 0x3ff, | 713 | .end = ASIC3_SD_CTRL_BASE + 0x3ff, |
714 | .flags = IORESOURCE_MEM, | 714 | .flags = IORESOURCE_MEM, |
715 | }, | 715 | }, |
716 | { | 716 | { |
717 | .start = 0, | 717 | .start = 0, |
718 | .end = 0, | 718 | .end = 0, |
719 | .flags = IORESOURCE_IRQ, | 719 | .flags = IORESOURCE_IRQ, |
720 | }, | 720 | }, |
721 | }; | 721 | }; |
722 | 722 | ||
723 | static int asic3_mmc_enable(struct platform_device *pdev) | 723 | static int asic3_mmc_enable(struct platform_device *pdev) |
724 | { | 724 | { |
725 | struct asic3 *asic = dev_get_drvdata(pdev->dev.parent); | 725 | struct asic3 *asic = dev_get_drvdata(pdev->dev.parent); |
726 | 726 | ||
727 | /* Not sure if it must be done bit by bit, but leaving as-is */ | 727 | /* Not sure if it must be done bit by bit, but leaving as-is */ |
728 | asic3_set_register(asic, ASIC3_OFFSET(SDHWCTRL, SDCONF), | 728 | asic3_set_register(asic, ASIC3_OFFSET(SDHWCTRL, SDCONF), |
729 | ASIC3_SDHWCTRL_LEVCD, 1); | 729 | ASIC3_SDHWCTRL_LEVCD, 1); |
730 | asic3_set_register(asic, ASIC3_OFFSET(SDHWCTRL, SDCONF), | 730 | asic3_set_register(asic, ASIC3_OFFSET(SDHWCTRL, SDCONF), |
731 | ASIC3_SDHWCTRL_LEVWP, 1); | 731 | ASIC3_SDHWCTRL_LEVWP, 1); |
732 | asic3_set_register(asic, ASIC3_OFFSET(SDHWCTRL, SDCONF), | 732 | asic3_set_register(asic, ASIC3_OFFSET(SDHWCTRL, SDCONF), |
733 | ASIC3_SDHWCTRL_SUSPEND, 0); | 733 | ASIC3_SDHWCTRL_SUSPEND, 0); |
734 | asic3_set_register(asic, ASIC3_OFFSET(SDHWCTRL, SDCONF), | 734 | asic3_set_register(asic, ASIC3_OFFSET(SDHWCTRL, SDCONF), |
735 | ASIC3_SDHWCTRL_PCLR, 0); | 735 | ASIC3_SDHWCTRL_PCLR, 0); |
736 | 736 | ||
737 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_EX0]); | 737 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_EX0]); |
738 | /* CLK32 used for card detection and for interruption detection | 738 | /* CLK32 used for card detection and for interruption detection |
739 | * when HCLK is stopped. | 739 | * when HCLK is stopped. |
740 | */ | 740 | */ |
741 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_EX1]); | 741 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_EX1]); |
742 | msleep(1); | 742 | msleep(1); |
743 | 743 | ||
744 | /* HCLK 24.576 MHz, BCLK 12.288 MHz: */ | 744 | /* HCLK 24.576 MHz, BCLK 12.288 MHz: */ |
745 | asic3_write_register(asic, ASIC3_OFFSET(CLOCK, SEL), | 745 | asic3_write_register(asic, ASIC3_OFFSET(CLOCK, SEL), |
746 | CLOCK_SEL_CX | CLOCK_SEL_SD_HCLK_SEL); | 746 | CLOCK_SEL_CX | CLOCK_SEL_SD_HCLK_SEL); |
747 | 747 | ||
748 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_SD_HOST]); | 748 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_SD_HOST]); |
749 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_SD_BUS]); | 749 | asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_SD_BUS]); |
750 | msleep(1); | 750 | msleep(1); |
751 | 751 | ||
752 | asic3_set_register(asic, ASIC3_OFFSET(EXTCF, SELECT), | 752 | asic3_set_register(asic, ASIC3_OFFSET(EXTCF, SELECT), |
753 | ASIC3_EXTCF_SD_MEM_ENABLE, 1); | 753 | ASIC3_EXTCF_SD_MEM_ENABLE, 1); |
754 | 754 | ||
755 | /* Enable SD card slot 3.3V power supply */ | 755 | /* Enable SD card slot 3.3V power supply */ |
756 | asic3_set_register(asic, ASIC3_OFFSET(SDHWCTRL, SDCONF), | 756 | asic3_set_register(asic, ASIC3_OFFSET(SDHWCTRL, SDCONF), |
757 | ASIC3_SDHWCTRL_SDPWR, 1); | 757 | ASIC3_SDHWCTRL_SDPWR, 1); |
758 | 758 | ||
759 | /* ASIC3_SD_CTRL_BASE assumes 32-bit addressing, TMIO is 16-bit */ | 759 | /* ASIC3_SD_CTRL_BASE assumes 32-bit addressing, TMIO is 16-bit */ |
760 | tmio_core_mmc_enable(asic->tmio_cnf, 1 - asic->bus_shift, | 760 | tmio_core_mmc_enable(asic->tmio_cnf, 1 - asic->bus_shift, |
761 | ASIC3_SD_CTRL_BASE >> 1); | 761 | ASIC3_SD_CTRL_BASE >> 1); |
762 | 762 | ||
763 | return 0; | 763 | return 0; |
764 | } | 764 | } |
765 | 765 | ||
766 | static int asic3_mmc_disable(struct platform_device *pdev) | 766 | static int asic3_mmc_disable(struct platform_device *pdev) |
767 | { | 767 | { |
768 | struct asic3 *asic = dev_get_drvdata(pdev->dev.parent); | 768 | struct asic3 *asic = dev_get_drvdata(pdev->dev.parent); |
769 | 769 | ||
770 | /* Put in suspend mode */ | 770 | /* Put in suspend mode */ |
771 | asic3_set_register(asic, ASIC3_OFFSET(SDHWCTRL, SDCONF), | 771 | asic3_set_register(asic, ASIC3_OFFSET(SDHWCTRL, SDCONF), |
772 | ASIC3_SDHWCTRL_SUSPEND, 1); | 772 | ASIC3_SDHWCTRL_SUSPEND, 1); |
773 | 773 | ||
774 | /* Disable clocks */ | 774 | /* Disable clocks */ |
775 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_SD_HOST]); | 775 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_SD_HOST]); |
776 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_SD_BUS]); | 776 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_SD_BUS]); |
777 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_EX0]); | 777 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_EX0]); |
778 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_EX1]); | 778 | asic3_clk_disable(asic, &asic->clocks[ASIC3_CLOCK_EX1]); |
779 | return 0; | 779 | return 0; |
780 | } | 780 | } |
781 | 781 | ||
782 | static struct mfd_cell asic3_cell_mmc = { | 782 | static struct mfd_cell asic3_cell_mmc = { |
783 | .name = "tmio-mmc", | 783 | .name = "tmio-mmc", |
784 | .enable = asic3_mmc_enable, | 784 | .enable = asic3_mmc_enable, |
785 | .disable = asic3_mmc_disable, | 785 | .disable = asic3_mmc_disable, |
786 | .driver_data = &asic3_mmc_data, | 786 | .driver_data = &asic3_mmc_data, |
787 | .num_resources = ARRAY_SIZE(asic3_mmc_resources), | 787 | .num_resources = ARRAY_SIZE(asic3_mmc_resources), |
788 | .resources = asic3_mmc_resources, | 788 | .resources = asic3_mmc_resources, |
789 | }; | 789 | }; |
790 | 790 | ||
791 | static int __init asic3_mfd_probe(struct platform_device *pdev, | 791 | static int __init asic3_mfd_probe(struct platform_device *pdev, |
792 | struct resource *mem) | 792 | struct resource *mem) |
793 | { | 793 | { |
794 | struct asic3 *asic = platform_get_drvdata(pdev); | 794 | struct asic3 *asic = platform_get_drvdata(pdev); |
795 | struct resource *mem_sdio; | 795 | struct resource *mem_sdio; |
796 | int irq, ret; | 796 | int irq, ret; |
797 | 797 | ||
798 | mem_sdio = platform_get_resource(pdev, IORESOURCE_MEM, 1); | 798 | mem_sdio = platform_get_resource(pdev, IORESOURCE_MEM, 1); |
799 | if (!mem_sdio) | 799 | if (!mem_sdio) |
800 | dev_dbg(asic->dev, "no SDIO MEM resource\n"); | 800 | dev_dbg(asic->dev, "no SDIO MEM resource\n"); |
801 | 801 | ||
802 | irq = platform_get_irq(pdev, 1); | 802 | irq = platform_get_irq(pdev, 1); |
803 | if (irq < 0) | 803 | if (irq < 0) |
804 | dev_dbg(asic->dev, "no SDIO IRQ resource\n"); | 804 | dev_dbg(asic->dev, "no SDIO IRQ resource\n"); |
805 | 805 | ||
806 | /* DS1WM */ | 806 | /* DS1WM */ |
807 | asic3_set_register(asic, ASIC3_OFFSET(EXTCF, SELECT), | 807 | asic3_set_register(asic, ASIC3_OFFSET(EXTCF, SELECT), |
808 | ASIC3_EXTCF_OWM_SMB, 0); | 808 | ASIC3_EXTCF_OWM_SMB, 0); |
809 | 809 | ||
810 | ds1wm_resources[0].start >>= asic->bus_shift; | 810 | ds1wm_resources[0].start >>= asic->bus_shift; |
811 | ds1wm_resources[0].end >>= asic->bus_shift; | 811 | ds1wm_resources[0].end >>= asic->bus_shift; |
812 | 812 | ||
813 | asic3_cell_ds1wm.platform_data = &asic3_cell_ds1wm; | 813 | asic3_cell_ds1wm.platform_data = &asic3_cell_ds1wm; |
814 | asic3_cell_ds1wm.data_size = sizeof(asic3_cell_ds1wm); | 814 | asic3_cell_ds1wm.data_size = sizeof(asic3_cell_ds1wm); |
815 | 815 | ||
816 | /* MMC */ | 816 | /* MMC */ |
817 | asic->tmio_cnf = ioremap((ASIC3_SD_CONFIG_BASE >> asic->bus_shift) + | 817 | asic->tmio_cnf = ioremap((ASIC3_SD_CONFIG_BASE >> asic->bus_shift) + |
818 | mem_sdio->start, 0x400 >> asic->bus_shift); | 818 | mem_sdio->start, 0x400 >> asic->bus_shift); |
819 | if (!asic->tmio_cnf) { | 819 | if (!asic->tmio_cnf) { |
820 | ret = -ENOMEM; | 820 | ret = -ENOMEM; |
821 | dev_dbg(asic->dev, "Couldn't ioremap SD_CONFIG\n"); | 821 | dev_dbg(asic->dev, "Couldn't ioremap SD_CONFIG\n"); |
822 | goto out; | 822 | goto out; |
823 | } | 823 | } |
824 | asic3_mmc_resources[0].start >>= asic->bus_shift; | 824 | asic3_mmc_resources[0].start >>= asic->bus_shift; |
825 | asic3_mmc_resources[0].end >>= asic->bus_shift; | 825 | asic3_mmc_resources[0].end >>= asic->bus_shift; |
826 | 826 | ||
827 | asic3_cell_mmc.platform_data = &asic3_cell_mmc; | 827 | asic3_cell_mmc.platform_data = &asic3_cell_mmc; |
828 | asic3_cell_mmc.data_size = sizeof(asic3_cell_mmc); | 828 | asic3_cell_mmc.data_size = sizeof(asic3_cell_mmc); |
829 | 829 | ||
830 | ret = mfd_add_devices(&pdev->dev, pdev->id, | 830 | ret = mfd_add_devices(&pdev->dev, pdev->id, |
831 | &asic3_cell_ds1wm, 1, mem, asic->irq_base); | 831 | &asic3_cell_ds1wm, 1, mem, asic->irq_base); |
832 | if (ret < 0) | 832 | if (ret < 0) |
833 | goto out; | 833 | goto out; |
834 | 834 | ||
835 | if (mem_sdio && (irq >= 0)) | 835 | if (mem_sdio && (irq >= 0)) |
836 | ret = mfd_add_devices(&pdev->dev, pdev->id, | 836 | ret = mfd_add_devices(&pdev->dev, pdev->id, |
837 | &asic3_cell_mmc, 1, mem_sdio, irq); | 837 | &asic3_cell_mmc, 1, mem_sdio, irq); |
838 | 838 | ||
839 | out: | 839 | out: |
840 | return ret; | 840 | return ret; |
841 | } | 841 | } |
842 | 842 | ||
843 | static void asic3_mfd_remove(struct platform_device *pdev) | 843 | static void asic3_mfd_remove(struct platform_device *pdev) |
844 | { | 844 | { |
845 | struct asic3 *asic = platform_get_drvdata(pdev); | 845 | struct asic3 *asic = platform_get_drvdata(pdev); |
846 | 846 | ||
847 | mfd_remove_devices(&pdev->dev); | 847 | mfd_remove_devices(&pdev->dev); |
848 | iounmap(asic->tmio_cnf); | 848 | iounmap(asic->tmio_cnf); |
849 | } | 849 | } |
850 | 850 | ||
851 | /* Core */ | 851 | /* Core */ |
852 | static int __init asic3_probe(struct platform_device *pdev) | 852 | static int __init asic3_probe(struct platform_device *pdev) |
853 | { | 853 | { |
854 | struct asic3_platform_data *pdata = pdev->dev.platform_data; | 854 | struct asic3_platform_data *pdata = pdev->dev.platform_data; |
855 | struct asic3 *asic; | 855 | struct asic3 *asic; |
856 | struct resource *mem; | 856 | struct resource *mem; |
857 | unsigned long clksel; | 857 | unsigned long clksel; |
858 | int ret = 0; | 858 | int ret = 0; |
859 | 859 | ||
860 | asic = kzalloc(sizeof(struct asic3), GFP_KERNEL); | 860 | asic = kzalloc(sizeof(struct asic3), GFP_KERNEL); |
861 | if (asic == NULL) { | 861 | if (asic == NULL) { |
862 | printk(KERN_ERR "kzalloc failed\n"); | 862 | printk(KERN_ERR "kzalloc failed\n"); |
863 | return -ENOMEM; | 863 | return -ENOMEM; |
864 | } | 864 | } |
865 | 865 | ||
866 | spin_lock_init(&asic->lock); | 866 | spin_lock_init(&asic->lock); |
867 | platform_set_drvdata(pdev, asic); | 867 | platform_set_drvdata(pdev, asic); |
868 | asic->dev = &pdev->dev; | 868 | asic->dev = &pdev->dev; |
869 | 869 | ||
870 | mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 870 | mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
871 | if (!mem) { | 871 | if (!mem) { |
872 | ret = -ENOMEM; | 872 | ret = -ENOMEM; |
873 | dev_err(asic->dev, "no MEM resource\n"); | 873 | dev_err(asic->dev, "no MEM resource\n"); |
874 | goto out_free; | 874 | goto out_free; |
875 | } | 875 | } |
876 | 876 | ||
877 | asic->mapping = ioremap(mem->start, resource_size(mem)); | 877 | asic->mapping = ioremap(mem->start, resource_size(mem)); |
878 | if (!asic->mapping) { | 878 | if (!asic->mapping) { |
879 | ret = -ENOMEM; | 879 | ret = -ENOMEM; |
880 | dev_err(asic->dev, "Couldn't ioremap\n"); | 880 | dev_err(asic->dev, "Couldn't ioremap\n"); |
881 | goto out_free; | 881 | goto out_free; |
882 | } | 882 | } |
883 | 883 | ||
884 | asic->irq_base = pdata->irq_base; | 884 | asic->irq_base = pdata->irq_base; |
885 | 885 | ||
886 | /* calculate bus shift from mem resource */ | 886 | /* calculate bus shift from mem resource */ |
887 | asic->bus_shift = 2 - (resource_size(mem) >> 12); | 887 | asic->bus_shift = 2 - (resource_size(mem) >> 12); |
888 | 888 | ||
889 | clksel = 0; | 889 | clksel = 0; |
890 | asic3_write_register(asic, ASIC3_OFFSET(CLOCK, SEL), clksel); | 890 | asic3_write_register(asic, ASIC3_OFFSET(CLOCK, SEL), clksel); |
891 | 891 | ||
892 | ret = asic3_irq_probe(pdev); | 892 | ret = asic3_irq_probe(pdev); |
893 | if (ret < 0) { | 893 | if (ret < 0) { |
894 | dev_err(asic->dev, "Couldn't probe IRQs\n"); | 894 | dev_err(asic->dev, "Couldn't probe IRQs\n"); |
895 | goto out_unmap; | 895 | goto out_unmap; |
896 | } | 896 | } |
897 | 897 | ||
898 | asic->gpio.base = pdata->gpio_base; | 898 | asic->gpio.base = pdata->gpio_base; |
899 | asic->gpio.ngpio = ASIC3_NUM_GPIOS; | 899 | asic->gpio.ngpio = ASIC3_NUM_GPIOS; |
900 | asic->gpio.get = asic3_gpio_get; | 900 | asic->gpio.get = asic3_gpio_get; |
901 | asic->gpio.set = asic3_gpio_set; | 901 | asic->gpio.set = asic3_gpio_set; |
902 | asic->gpio.direction_input = asic3_gpio_direction_input; | 902 | asic->gpio.direction_input = asic3_gpio_direction_input; |
903 | asic->gpio.direction_output = asic3_gpio_direction_output; | 903 | asic->gpio.direction_output = asic3_gpio_direction_output; |
904 | 904 | ||
905 | ret = asic3_gpio_probe(pdev, | 905 | ret = asic3_gpio_probe(pdev, |
906 | pdata->gpio_config, | 906 | pdata->gpio_config, |
907 | pdata->gpio_config_num); | 907 | pdata->gpio_config_num); |
908 | if (ret < 0) { | 908 | if (ret < 0) { |
909 | dev_err(asic->dev, "GPIO probe failed\n"); | 909 | dev_err(asic->dev, "GPIO probe failed\n"); |
910 | goto out_irq; | 910 | goto out_irq; |
911 | } | 911 | } |
912 | 912 | ||
913 | /* Making a per-device copy is only needed for the | 913 | /* Making a per-device copy is only needed for the |
914 | * theoretical case of multiple ASIC3s on one board: | 914 | * theoretical case of multiple ASIC3s on one board: |
915 | */ | 915 | */ |
916 | memcpy(asic->clocks, asic3_clk_init, sizeof(asic3_clk_init)); | 916 | memcpy(asic->clocks, asic3_clk_init, sizeof(asic3_clk_init)); |
917 | 917 | ||
918 | asic3_mfd_probe(pdev, mem); | 918 | asic3_mfd_probe(pdev, mem); |
919 | 919 | ||
920 | dev_info(asic->dev, "ASIC3 Core driver\n"); | 920 | dev_info(asic->dev, "ASIC3 Core driver\n"); |
921 | 921 | ||
922 | return 0; | 922 | return 0; |
923 | 923 | ||
924 | out_irq: | 924 | out_irq: |
925 | asic3_irq_remove(pdev); | 925 | asic3_irq_remove(pdev); |
926 | 926 | ||
927 | out_unmap: | 927 | out_unmap: |
928 | iounmap(asic->mapping); | 928 | iounmap(asic->mapping); |
929 | 929 | ||
930 | out_free: | 930 | out_free: |
931 | kfree(asic); | 931 | kfree(asic); |
932 | 932 | ||
933 | return ret; | 933 | return ret; |
934 | } | 934 | } |
935 | 935 | ||
936 | static int __devexit asic3_remove(struct platform_device *pdev) | 936 | static int __devexit asic3_remove(struct platform_device *pdev) |
937 | { | 937 | { |
938 | int ret; | 938 | int ret; |
939 | struct asic3 *asic = platform_get_drvdata(pdev); | 939 | struct asic3 *asic = platform_get_drvdata(pdev); |
940 | 940 | ||
941 | asic3_mfd_remove(pdev); | 941 | asic3_mfd_remove(pdev); |
942 | 942 | ||
943 | ret = asic3_gpio_remove(pdev); | 943 | ret = asic3_gpio_remove(pdev); |
944 | if (ret < 0) | 944 | if (ret < 0) |
945 | return ret; | 945 | return ret; |
946 | asic3_irq_remove(pdev); | 946 | asic3_irq_remove(pdev); |
947 | 947 | ||
948 | asic3_write_register(asic, ASIC3_OFFSET(CLOCK, SEL), 0); | 948 | asic3_write_register(asic, ASIC3_OFFSET(CLOCK, SEL), 0); |
949 | 949 | ||
950 | iounmap(asic->mapping); | 950 | iounmap(asic->mapping); |
951 | 951 | ||
952 | kfree(asic); | 952 | kfree(asic); |
953 | 953 | ||
954 | return 0; | 954 | return 0; |
955 | } | 955 | } |
956 | 956 | ||
957 | static void asic3_shutdown(struct platform_device *pdev) | 957 | static void asic3_shutdown(struct platform_device *pdev) |
958 | { | 958 | { |
959 | } | 959 | } |
960 | 960 | ||
961 | static struct platform_driver asic3_device_driver = { | 961 | static struct platform_driver asic3_device_driver = { |
962 | .driver = { | 962 | .driver = { |
963 | .name = "asic3", | 963 | .name = "asic3", |
964 | }, | 964 | }, |
965 | .remove = __devexit_p(asic3_remove), | 965 | .remove = __devexit_p(asic3_remove), |
966 | .shutdown = asic3_shutdown, | 966 | .shutdown = asic3_shutdown, |
967 | }; | 967 | }; |
968 | 968 | ||
969 | static int __init asic3_init(void) | 969 | static int __init asic3_init(void) |
970 | { | 970 | { |
971 | int retval = 0; | 971 | int retval = 0; |
972 | retval = platform_driver_probe(&asic3_device_driver, asic3_probe); | 972 | retval = platform_driver_probe(&asic3_device_driver, asic3_probe); |
973 | return retval; | 973 | return retval; |
974 | } | 974 | } |
975 | 975 | ||
976 | subsys_initcall(asic3_init); | 976 | subsys_initcall(asic3_init); |
977 | 977 |