Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Hardware definitions for Compaq iPAQ H3xxx Handheld Computers |
| 3 | * |
| 4 | * Copyright 2000,1 Compaq Computer Corporation. |
| 5 | * |
| 6 | * Use consistent with the GNU GPL is permitted, |
| 7 | * provided that this copyright notice is |
| 8 | * preserved in its entirety in all copies and derived works. |
| 9 | * |
| 10 | * COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED, |
| 11 | * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS |
| 12 | * FITNESS FOR ANY PARTICULAR PURPOSE. |
| 13 | * |
| 14 | * Author: Jamey Hicks. |
| 15 | * |
| 16 | * History: |
| 17 | * |
| 18 | * 2001-10-?? Andrew Christian Added support for iPAQ H3800 |
| 19 | * and abstracted EGPIO interface. |
| 20 | * |
| 21 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <linux/module.h> |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/kernel.h> |
| 25 | #include <linux/tty.h> |
| 26 | #include <linux/pm.h> |
| 27 | #include <linux/device.h> |
Dmitry Artamonow | 2eec62d | 2009-11-27 12:00:00 +0100 | [diff] [blame] | 28 | #include <linux/mfd/htc-egpio.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | #include <linux/mtd/mtd.h> |
| 30 | #include <linux/mtd/partitions.h> |
| 31 | #include <linux/serial_core.h> |
Russell King | 0831e3e | 2009-10-06 14:35:16 +0100 | [diff] [blame] | 32 | #include <linux/gpio.h> |
Dmitry Artamonow | 2eec62d | 2009-11-27 12:00:00 +0100 | [diff] [blame] | 33 | #include <linux/platform_device.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | |
| 35 | #include <asm/irq.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 36 | #include <mach/hardware.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | #include <asm/mach-types.h> |
| 38 | #include <asm/setup.h> |
| 39 | |
| 40 | #include <asm/mach/irq.h> |
| 41 | #include <asm/mach/arch.h> |
| 42 | #include <asm/mach/flash.h> |
| 43 | #include <asm/mach/irda.h> |
| 44 | #include <asm/mach/map.h> |
| 45 | #include <asm/mach/serial_sa1100.h> |
| 46 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 47 | #include <mach/h3600.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 48 | #include <mach/h3600_gpio.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | |
| 50 | #include "generic.h" |
| 51 | |
Dmitry Artamonow | 607b067 | 2009-03-15 19:14:27 +0100 | [diff] [blame] | 52 | void (*assign_h3600_egpio)(enum ipaq_egpio_type x, int level); |
| 53 | EXPORT_SYMBOL(assign_h3600_egpio); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | |
Russell King | 0831e3e | 2009-10-06 14:35:16 +0100 | [diff] [blame] | 55 | struct gpio_default_state { |
| 56 | int gpio; |
| 57 | int mode; |
| 58 | const char *name; |
| 59 | }; |
| 60 | |
| 61 | #define GPIO_MODE_IN -1 |
| 62 | #define GPIO_MODE_OUT0 0 |
| 63 | #define GPIO_MODE_OUT1 1 |
| 64 | |
| 65 | static void h3xxx_init_gpio(struct gpio_default_state *s, size_t n) |
| 66 | { |
| 67 | while (n--) { |
| 68 | const char *name = s->name; |
| 69 | int err; |
| 70 | |
| 71 | if (!name) |
| 72 | name = "[init]"; |
| 73 | err = gpio_request(s->gpio, name); |
| 74 | if (err) { |
| 75 | printk(KERN_ERR "gpio%u: unable to request: %d\n", |
| 76 | s->gpio, err); |
| 77 | continue; |
| 78 | } |
| 79 | if (s->mode >= 0) { |
| 80 | err = gpio_direction_output(s->gpio, s->mode); |
| 81 | } else { |
| 82 | err = gpio_direction_input(s->gpio); |
| 83 | } |
| 84 | if (err) { |
| 85 | printk(KERN_ERR "gpio%u: unable to set direction: %d\n", |
| 86 | s->gpio, err); |
| 87 | continue; |
| 88 | } |
| 89 | if (!s->name) |
| 90 | gpio_free(s->gpio); |
| 91 | s++; |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 96 | /* |
| 97 | * H3xxx flash support |
| 98 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | static struct mtd_partition h3xxx_partitions[] = { |
| 100 | { |
| 101 | .name = "H3XXX boot firmware", |
| 102 | .size = 0x00040000, |
| 103 | .offset = 0, |
| 104 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 105 | }, { |
Dmitry Artamonow | f110b3f | 2009-03-15 19:09:50 +0100 | [diff] [blame] | 106 | .name = "H3XXX rootfs", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | .size = MTDPART_SIZ_FULL, |
| 108 | .offset = 0x00040000, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | } |
| 110 | }; |
| 111 | |
| 112 | static void h3xxx_set_vpp(int vpp) |
| 113 | { |
Dmitry Artamonow | 22f9740 | 2009-11-27 12:02:28 +0100 | [diff] [blame^] | 114 | gpio_set_value(H3XXX_EGPIO_VPP_ON, vpp); |
| 115 | } |
| 116 | |
| 117 | static int h3xxx_flash_init(void) |
| 118 | { |
| 119 | int err = gpio_request(H3XXX_EGPIO_VPP_ON, "Flash Vpp"); |
| 120 | if (err) |
| 121 | return err; |
| 122 | |
| 123 | err = gpio_direction_output(H3XXX_EGPIO_VPP_ON, 0); |
| 124 | if (err) |
| 125 | gpio_free(H3XXX_EGPIO_VPP_ON); |
| 126 | |
| 127 | return err; |
| 128 | } |
| 129 | |
| 130 | static void h3xxx_flash_exit(void) |
| 131 | { |
| 132 | gpio_free(H3XXX_EGPIO_VPP_ON); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | } |
| 134 | |
| 135 | static struct flash_platform_data h3xxx_flash_data = { |
| 136 | .map_name = "cfi_probe", |
| 137 | .set_vpp = h3xxx_set_vpp, |
Dmitry Artamonow | 22f9740 | 2009-11-27 12:02:28 +0100 | [diff] [blame^] | 138 | .init = h3xxx_flash_init, |
| 139 | .exit = h3xxx_flash_exit, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | .parts = h3xxx_partitions, |
| 141 | .nr_parts = ARRAY_SIZE(h3xxx_partitions), |
| 142 | }; |
| 143 | |
| 144 | static struct resource h3xxx_flash_resource = { |
| 145 | .start = SA1100_CS0_PHYS, |
| 146 | .end = SA1100_CS0_PHYS + SZ_32M - 1, |
| 147 | .flags = IORESOURCE_MEM, |
| 148 | }; |
| 149 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | |
| 151 | /* |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 152 | * H3xxx uart support |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | */ |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 154 | static void h3xxx_uart_set_mctrl(struct uart_port *port, u_int mctrl) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | { |
| 156 | if (port->mapbase == _Ser3UTCR0) { |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 157 | gpio_set_value(H3XXX_GPIO_COM_RTS, !(mctrl & TIOCM_RTS)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | } |
| 159 | } |
| 160 | |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 161 | static u_int h3xxx_uart_get_mctrl(struct uart_port *port) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | { |
| 163 | u_int ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR; |
| 164 | |
| 165 | if (port->mapbase == _Ser3UTCR0) { |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 166 | /* |
| 167 | * DCD and CTS bits are inverted in GPLR by RS232 transceiver |
| 168 | */ |
| 169 | if (gpio_get_value(H3XXX_GPIO_COM_DCD)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | ret &= ~TIOCM_CD; |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 171 | if (gpio_get_value(H3XXX_GPIO_COM_CTS)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | ret &= ~TIOCM_CTS; |
| 173 | } |
| 174 | |
| 175 | return ret; |
| 176 | } |
| 177 | |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 178 | static void h3xxx_uart_pm(struct uart_port *port, u_int state, u_int oldstate) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | { |
Dmitry Artamonow | 2a151a0 | 2009-11-27 11:10:58 +0100 | [diff] [blame] | 180 | if (port->mapbase == _Ser3UTCR0) |
Dmitry Artamonow | 22f9740 | 2009-11-27 12:02:28 +0100 | [diff] [blame^] | 181 | if (!gpio_request(H3XXX_EGPIO_RS232_ON, "RS232 transceiver")) { |
| 182 | gpio_direction_output(H3XXX_EGPIO_RS232_ON, !state); |
| 183 | gpio_free(H3XXX_EGPIO_RS232_ON); |
| 184 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | } |
| 186 | |
| 187 | /* |
| 188 | * Enable/Disable wake up events for this serial port. |
| 189 | * Obviously, we only support this on the normal COM port. |
| 190 | */ |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 191 | static int h3xxx_uart_set_wake(struct uart_port *port, u_int enable) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | { |
| 193 | int err = -EINVAL; |
| 194 | |
| 195 | if (port->mapbase == _Ser3UTCR0) { |
| 196 | if (enable) |
| 197 | PWER |= PWER_GPIO23 | PWER_GPIO25; /* DCD and CTS */ |
| 198 | else |
| 199 | PWER &= ~(PWER_GPIO23 | PWER_GPIO25); /* DCD and CTS */ |
| 200 | err = 0; |
| 201 | } |
| 202 | return err; |
| 203 | } |
| 204 | |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 205 | static struct sa1100_port_fns h3xxx_port_fns __initdata = { |
| 206 | .set_mctrl = h3xxx_uart_set_mctrl, |
| 207 | .get_mctrl = h3xxx_uart_get_mctrl, |
| 208 | .pm = h3xxx_uart_pm, |
| 209 | .set_wake = h3xxx_uart_set_wake, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | }; |
| 211 | |
Dmitry Artamonow | 2eec62d | 2009-11-27 12:00:00 +0100 | [diff] [blame] | 212 | /* |
| 213 | * EGPIO |
| 214 | */ |
| 215 | |
| 216 | static struct resource egpio_resources[] = { |
| 217 | [0] = { |
| 218 | .start = H3600_EGPIO_PHYS, |
| 219 | .end = H3600_EGPIO_PHYS + 0x4 - 1, |
| 220 | .flags = IORESOURCE_MEM, |
| 221 | }, |
| 222 | }; |
| 223 | |
| 224 | static struct htc_egpio_chip egpio_chips[] = { |
| 225 | [0] = { |
| 226 | .reg_start = 0, |
| 227 | .gpio_base = H3XXX_EGPIO_BASE, |
| 228 | .num_gpios = 16, |
| 229 | .direction = HTC_EGPIO_OUTPUT, |
| 230 | .initial_values = 0x0080, /* H3XXX_EGPIO_RS232_ON */ |
| 231 | }, |
| 232 | }; |
| 233 | |
| 234 | static struct htc_egpio_platform_data egpio_info = { |
| 235 | .reg_width = 16, |
| 236 | .bus_width = 16, |
| 237 | .chip = egpio_chips, |
| 238 | .num_chips = ARRAY_SIZE(egpio_chips), |
| 239 | }; |
| 240 | |
| 241 | static struct platform_device h3xxx_egpio = { |
| 242 | .name = "htc-egpio", |
| 243 | .id = -1, |
| 244 | .resource = egpio_resources, |
| 245 | .num_resources = ARRAY_SIZE(egpio_resources), |
| 246 | .dev = { |
| 247 | .platform_data = &egpio_info, |
| 248 | }, |
| 249 | }; |
| 250 | |
| 251 | static struct platform_device *h3xxx_devices[] = { |
| 252 | &h3xxx_egpio, |
| 253 | }; |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 254 | |
Dmitry Artamonow | e55b20e | 2009-11-27 11:06:46 +0100 | [diff] [blame] | 255 | static void __init h3xxx_mach_init(void) |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 256 | { |
| 257 | sa1100_register_uart_fns(&h3xxx_port_fns); |
| 258 | sa11x0_register_mtd(&h3xxx_flash_data, &h3xxx_flash_resource, 1); |
Dmitry Artamonow | 2eec62d | 2009-11-27 12:00:00 +0100 | [diff] [blame] | 259 | platform_add_devices(h3xxx_devices, ARRAY_SIZE(h3xxx_devices)); |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 260 | } |
| 261 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | static struct map_desc h3600_io_desc[] __initdata = { |
Deepak Saxena | 92519d8 | 2005-10-28 15:19:04 +0100 | [diff] [blame] | 263 | { /* static memory bank 2 CS#2 */ |
| 264 | .virtual = H3600_BANK_2_VIRT, |
| 265 | .pfn = __phys_to_pfn(SA1100_CS2_PHYS), |
| 266 | .length = 0x02800000, |
| 267 | .type = MT_DEVICE |
| 268 | }, { /* static memory bank 4 CS#4 */ |
| 269 | .virtual = H3600_BANK_4_VIRT, |
| 270 | .pfn = __phys_to_pfn(SA1100_CS4_PHYS), |
| 271 | .length = 0x00800000, |
| 272 | .type = MT_DEVICE |
| 273 | }, { /* EGPIO 0 CS#5 */ |
| 274 | .virtual = H3600_EGPIO_VIRT, |
| 275 | .pfn = __phys_to_pfn(H3600_EGPIO_PHYS), |
| 276 | .length = 0x01000000, |
| 277 | .type = MT_DEVICE |
| 278 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | }; |
| 280 | |
| 281 | /* |
| 282 | * Common map_io initialization |
| 283 | */ |
| 284 | |
| 285 | static void __init h3xxx_map_io(void) |
| 286 | { |
| 287 | sa1100_map_io(); |
| 288 | iotable_init(h3600_io_desc, ARRAY_SIZE(h3600_io_desc)); |
| 289 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | sa1100_register_uart(0, 3); /* Common serial port */ |
| 291 | // sa1100_register_uart(1, 1); /* Microcontroller on 3100/3600 */ |
| 292 | |
| 293 | /* Ensure those pins are outputs and driving low */ |
| 294 | PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; |
| 295 | PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); |
| 296 | |
| 297 | /* Configure suspend conditions */ |
| 298 | PGSR = 0; |
Russell King | 0fb85a5 | 2009-10-06 16:40:24 +0100 | [diff] [blame] | 299 | PWER = PWER_GPIO0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | PCFR = PCFR_OPDE; |
| 301 | PSDR = 0; |
| 302 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | } |
| 304 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | /************************* H3100 *************************/ |
| 306 | |
| 307 | #ifdef CONFIG_SA1100_H3100 |
| 308 | |
| 309 | #define H3100_EGPIO (*(volatile unsigned int *)H3600_EGPIO_VIRT) |
| 310 | static unsigned int h3100_egpio = 0; |
| 311 | |
| 312 | static void h3100_control_egpio(enum ipaq_egpio_type x, int setp) |
| 313 | { |
| 314 | unsigned int egpio = 0; |
| 315 | long gpio = 0; |
| 316 | unsigned long flags; |
| 317 | |
| 318 | switch (x) { |
| 319 | case IPAQ_EGPIO_LCD_POWER: |
| 320 | egpio |= EGPIO_H3600_LCD_ON; |
| 321 | gpio |= GPIO_H3100_LCD_3V_ON; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | break; |
| 323 | case IPAQ_EGPIO_LCD_ENABLE: |
| 324 | break; |
| 325 | case IPAQ_EGPIO_CODEC_NRESET: |
| 326 | egpio |= EGPIO_H3600_CODEC_NRESET; |
| 327 | break; |
| 328 | case IPAQ_EGPIO_AUDIO_ON: |
| 329 | gpio |= GPIO_H3100_AUD_PWR_ON |
| 330 | | GPIO_H3100_AUD_ON; |
| 331 | break; |
| 332 | case IPAQ_EGPIO_QMUTE: |
| 333 | gpio |= GPIO_H3100_QMUTE; |
| 334 | break; |
| 335 | case IPAQ_EGPIO_OPT_NVRAM_ON: |
| 336 | egpio |= EGPIO_H3600_OPT_NVRAM_ON; |
| 337 | break; |
| 338 | case IPAQ_EGPIO_OPT_ON: |
| 339 | egpio |= EGPIO_H3600_OPT_ON; |
| 340 | break; |
| 341 | case IPAQ_EGPIO_CARD_RESET: |
| 342 | egpio |= EGPIO_H3600_CARD_RESET; |
| 343 | break; |
| 344 | case IPAQ_EGPIO_OPT_RESET: |
| 345 | egpio |= EGPIO_H3600_OPT_RESET; |
| 346 | break; |
| 347 | case IPAQ_EGPIO_IR_ON: |
| 348 | gpio |= GPIO_H3100_IR_ON; |
| 349 | break; |
| 350 | case IPAQ_EGPIO_IR_FSEL: |
| 351 | gpio |= GPIO_H3100_IR_FSEL; |
| 352 | break; |
| 353 | case IPAQ_EGPIO_RS232_ON: |
| 354 | egpio |= EGPIO_H3600_RS232_ON; |
| 355 | break; |
| 356 | case IPAQ_EGPIO_VPP_ON: |
| 357 | egpio |= EGPIO_H3600_VPP_ON; |
| 358 | break; |
| 359 | } |
| 360 | |
| 361 | if (egpio || gpio) { |
| 362 | local_irq_save(flags); |
| 363 | if (setp) { |
| 364 | h3100_egpio |= egpio; |
| 365 | GPSR = gpio; |
| 366 | } else { |
| 367 | h3100_egpio &= ~egpio; |
| 368 | GPCR = gpio; |
| 369 | } |
| 370 | H3100_EGPIO = h3100_egpio; |
| 371 | local_irq_restore(flags); |
| 372 | } |
| 373 | } |
| 374 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | #define H3100_DIRECT_EGPIO (GPIO_H3100_BT_ON \ |
| 376 | | GPIO_H3100_GPIO3 \ |
| 377 | | GPIO_H3100_QMUTE \ |
| 378 | | GPIO_H3100_LCD_3V_ON \ |
| 379 | | GPIO_H3100_AUD_ON \ |
| 380 | | GPIO_H3100_AUD_PWR_ON \ |
| 381 | | GPIO_H3100_IR_ON \ |
| 382 | | GPIO_H3100_IR_FSEL) |
Dmitry Artamonow | cf5a87d | 2009-11-27 11:58:35 +0100 | [diff] [blame] | 383 | /* |
| 384 | * helper for sa1100fb |
| 385 | */ |
| 386 | static void h3100_lcd_power(int enable) |
| 387 | { |
Dmitry Artamonow | 22f9740 | 2009-11-27 12:02:28 +0100 | [diff] [blame^] | 388 | if (!gpio_request(H3XXX_EGPIO_LCD_ON, "LCD ON")) { |
| 389 | gpio_set_value(H3100_GPIO_LCD_3V_ON, enable); |
| 390 | gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable); |
| 391 | gpio_free(H3XXX_EGPIO_LCD_ON); |
| 392 | } |
Dmitry Artamonow | cf5a87d | 2009-11-27 11:58:35 +0100 | [diff] [blame] | 393 | } |
| 394 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | |
| 396 | static void __init h3100_map_io(void) |
| 397 | { |
| 398 | h3xxx_map_io(); |
| 399 | |
Dmitry Artamonow | cf5a87d | 2009-11-27 11:58:35 +0100 | [diff] [blame] | 400 | sa1100fb_lcd_power = h3100_lcd_power; |
| 401 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | /* Initialize h3100-specific values here */ |
| 403 | GPCR = 0x0fffffff; /* All outputs are set low by default */ |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 404 | GPDR = GPIO_H3600_L3_CLOCK | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | GPIO_H3600_L3_MODE | GPIO_H3600_L3_DATA | |
| 406 | GPIO_H3600_CLK_SET1 | GPIO_H3600_CLK_SET0 | |
| 407 | H3100_DIRECT_EGPIO; |
| 408 | |
| 409 | /* Older bootldrs put GPIO2-9 in alternate mode on the |
| 410 | assumption that they are used for video */ |
| 411 | GAFR &= ~H3100_DIRECT_EGPIO; |
| 412 | |
| 413 | H3100_EGPIO = h3100_egpio; |
Dmitry Artamonow | 607b067 | 2009-03-15 19:14:27 +0100 | [diff] [blame] | 414 | assign_h3600_egpio = h3100_control_egpio; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | } |
| 416 | |
Russell King | a5d176a | 2009-10-06 14:22:23 +0100 | [diff] [blame] | 417 | /* |
| 418 | * This turns the IRDA power on or off on the Compaq H3100 |
| 419 | */ |
| 420 | static int h3100_irda_set_power(struct device *dev, unsigned int state) |
| 421 | { |
Russell King | 9c196f0 | 2009-10-06 14:36:05 +0100 | [diff] [blame] | 422 | gpio_set_value(H3100_GPIO_IR_ON, state); |
Russell King | a5d176a | 2009-10-06 14:22:23 +0100 | [diff] [blame] | 423 | return 0; |
| 424 | } |
| 425 | |
| 426 | static void h3100_irda_set_speed(struct device *dev, unsigned int speed) |
| 427 | { |
Russell King | 9c196f0 | 2009-10-06 14:36:05 +0100 | [diff] [blame] | 428 | gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000)); |
Russell King | a5d176a | 2009-10-06 14:22:23 +0100 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | static struct irda_platform_data h3100_irda_data = { |
| 432 | .set_power = h3100_irda_set_power, |
| 433 | .set_speed = h3100_irda_set_speed, |
| 434 | }; |
| 435 | |
Russell King | 9c196f0 | 2009-10-06 14:36:05 +0100 | [diff] [blame] | 436 | static struct gpio_default_state h3100_default_gpio[] = { |
| 437 | { H3100_GPIO_IR_ON, GPIO_MODE_OUT0, "IrDA power" }, |
| 438 | { H3100_GPIO_IR_FSEL, GPIO_MODE_OUT0, "IrDA fsel" }, |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 439 | { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" }, |
| 440 | { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" }, |
| 441 | { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" }, |
Dmitry Artamonow | 22f9740 | 2009-11-27 12:02:28 +0100 | [diff] [blame^] | 442 | { H3100_GPIO_LCD_3V_ON, GPIO_MODE_OUT0, "LCD 3v" }, |
Russell King | 9c196f0 | 2009-10-06 14:36:05 +0100 | [diff] [blame] | 443 | }; |
| 444 | |
Dmitry Artamonow | e55b20e | 2009-11-27 11:06:46 +0100 | [diff] [blame] | 445 | static void __init h3100_mach_init(void) |
Russell King | 898e810 | 2009-10-06 14:19:44 +0100 | [diff] [blame] | 446 | { |
Russell King | 9c196f0 | 2009-10-06 14:36:05 +0100 | [diff] [blame] | 447 | h3xxx_init_gpio(h3100_default_gpio, ARRAY_SIZE(h3100_default_gpio)); |
Russell King | 898e810 | 2009-10-06 14:19:44 +0100 | [diff] [blame] | 448 | h3xxx_mach_init(); |
Russell King | a5d176a | 2009-10-06 14:22:23 +0100 | [diff] [blame] | 449 | sa11x0_register_irda(&h3100_irda_data); |
Russell King | 898e810 | 2009-10-06 14:19:44 +0100 | [diff] [blame] | 450 | } |
| 451 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | MACHINE_START(H3100, "Compaq iPAQ H3100") |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 453 | .phys_io = 0x80000000, |
| 454 | .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, |
| 455 | .boot_params = 0xc0000100, |
| 456 | .map_io = h3100_map_io, |
| 457 | .init_irq = sa1100_init_irq, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | .timer = &sa1100_timer, |
Russell King | 898e810 | 2009-10-06 14:19:44 +0100 | [diff] [blame] | 459 | .init_machine = h3100_mach_init, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | MACHINE_END |
| 461 | |
| 462 | #endif /* CONFIG_SA1100_H3100 */ |
| 463 | |
| 464 | /************************* H3600 *************************/ |
| 465 | |
| 466 | #ifdef CONFIG_SA1100_H3600 |
| 467 | |
| 468 | #define H3600_EGPIO (*(volatile unsigned int *)H3600_EGPIO_VIRT) |
| 469 | static unsigned int h3600_egpio = EGPIO_H3600_RS232_ON; |
| 470 | |
| 471 | static void h3600_control_egpio(enum ipaq_egpio_type x, int setp) |
| 472 | { |
| 473 | unsigned int egpio = 0; |
| 474 | unsigned long flags; |
| 475 | |
| 476 | switch (x) { |
| 477 | case IPAQ_EGPIO_LCD_POWER: |
| 478 | egpio |= EGPIO_H3600_LCD_ON | |
| 479 | EGPIO_H3600_LCD_PCI | |
| 480 | EGPIO_H3600_LCD_5V_ON | |
| 481 | EGPIO_H3600_LVDD_ON; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | break; |
| 483 | case IPAQ_EGPIO_LCD_ENABLE: |
| 484 | break; |
| 485 | case IPAQ_EGPIO_CODEC_NRESET: |
| 486 | egpio |= EGPIO_H3600_CODEC_NRESET; |
| 487 | break; |
| 488 | case IPAQ_EGPIO_AUDIO_ON: |
| 489 | egpio |= EGPIO_H3600_AUD_AMP_ON | |
| 490 | EGPIO_H3600_AUD_PWR_ON; |
| 491 | break; |
| 492 | case IPAQ_EGPIO_QMUTE: |
| 493 | egpio |= EGPIO_H3600_QMUTE; |
| 494 | break; |
| 495 | case IPAQ_EGPIO_OPT_NVRAM_ON: |
| 496 | egpio |= EGPIO_H3600_OPT_NVRAM_ON; |
| 497 | break; |
| 498 | case IPAQ_EGPIO_OPT_ON: |
| 499 | egpio |= EGPIO_H3600_OPT_ON; |
| 500 | break; |
| 501 | case IPAQ_EGPIO_CARD_RESET: |
| 502 | egpio |= EGPIO_H3600_CARD_RESET; |
| 503 | break; |
| 504 | case IPAQ_EGPIO_OPT_RESET: |
| 505 | egpio |= EGPIO_H3600_OPT_RESET; |
| 506 | break; |
| 507 | case IPAQ_EGPIO_IR_ON: |
| 508 | egpio |= EGPIO_H3600_IR_ON; |
| 509 | break; |
| 510 | case IPAQ_EGPIO_IR_FSEL: |
| 511 | egpio |= EGPIO_H3600_IR_FSEL; |
| 512 | break; |
| 513 | case IPAQ_EGPIO_RS232_ON: |
| 514 | egpio |= EGPIO_H3600_RS232_ON; |
| 515 | break; |
| 516 | case IPAQ_EGPIO_VPP_ON: |
| 517 | egpio |= EGPIO_H3600_VPP_ON; |
| 518 | break; |
| 519 | } |
| 520 | |
| 521 | if (egpio) { |
| 522 | local_irq_save(flags); |
| 523 | if (setp) |
| 524 | h3600_egpio |= egpio; |
| 525 | else |
| 526 | h3600_egpio &= ~egpio; |
| 527 | H3600_EGPIO = h3600_egpio; |
| 528 | local_irq_restore(flags); |
| 529 | } |
| 530 | } |
| 531 | |
Dmitry Artamonow | cf5a87d | 2009-11-27 11:58:35 +0100 | [diff] [blame] | 532 | /* |
| 533 | * helper for sa1100fb |
| 534 | */ |
| 535 | static void h3600_lcd_power(int enable) |
| 536 | { |
Dmitry Artamonow | 22f9740 | 2009-11-27 12:02:28 +0100 | [diff] [blame^] | 537 | if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power")) |
| 538 | goto err1; |
| 539 | if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control")) |
| 540 | goto err2; |
| 541 | if (gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v")) |
| 542 | goto err3; |
| 543 | if (gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v")) |
| 544 | goto err4; |
| 545 | |
| 546 | gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable); |
| 547 | gpio_direction_output(H3600_EGPIO_LCD_PCI, enable); |
| 548 | gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable); |
| 549 | gpio_direction_output(H3600_EGPIO_LVDD_ON, enable); |
| 550 | |
| 551 | gpio_free(H3600_EGPIO_LVDD_ON); |
| 552 | err4: gpio_free(H3600_EGPIO_LCD_5V_ON); |
| 553 | err3: gpio_free(H3600_EGPIO_LCD_PCI); |
| 554 | err2: gpio_free(H3XXX_EGPIO_LCD_ON); |
| 555 | err1: return; |
Dmitry Artamonow | cf5a87d | 2009-11-27 11:58:35 +0100 | [diff] [blame] | 556 | } |
| 557 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | static void __init h3600_map_io(void) |
| 559 | { |
| 560 | h3xxx_map_io(); |
| 561 | |
Dmitry Artamonow | cf5a87d | 2009-11-27 11:58:35 +0100 | [diff] [blame] | 562 | sa1100fb_lcd_power = h3600_lcd_power; |
| 563 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | /* Initialize h3600-specific values here */ |
| 565 | |
| 566 | GPCR = 0x0fffffff; /* All outputs are set low by default */ |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 567 | GPDR = GPIO_H3600_L3_CLOCK | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 568 | GPIO_H3600_L3_MODE | GPIO_H3600_L3_DATA | |
Dmitry Artamonow | d0e6041 | 2009-11-27 11:11:00 +0100 | [diff] [blame] | 569 | GPIO_H3600_CLK_SET1 | GPIO_H3600_CLK_SET0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | |
| 571 | H3600_EGPIO = h3600_egpio; /* Maintains across sleep? */ |
Dmitry Artamonow | 607b067 | 2009-03-15 19:14:27 +0100 | [diff] [blame] | 572 | assign_h3600_egpio = h3600_control_egpio; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 573 | } |
| 574 | |
Russell King | a5d176a | 2009-10-06 14:22:23 +0100 | [diff] [blame] | 575 | /* |
| 576 | * This turns the IRDA power on or off on the Compaq H3600 |
| 577 | */ |
| 578 | static int h3600_irda_set_power(struct device *dev, unsigned int state) |
| 579 | { |
Dmitry Artamonow | 22f9740 | 2009-11-27 12:02:28 +0100 | [diff] [blame^] | 580 | gpio_set_value(H3600_EGPIO_IR_ON, state); |
Russell King | a5d176a | 2009-10-06 14:22:23 +0100 | [diff] [blame] | 581 | return 0; |
| 582 | } |
| 583 | |
| 584 | static void h3600_irda_set_speed(struct device *dev, unsigned int speed) |
| 585 | { |
Dmitry Artamonow | 22f9740 | 2009-11-27 12:02:28 +0100 | [diff] [blame^] | 586 | gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000)); |
| 587 | } |
| 588 | |
| 589 | static int h3600_irda_startup(struct device *dev) |
| 590 | { |
| 591 | int err = gpio_request(H3600_EGPIO_IR_ON, "IrDA power"); |
| 592 | if (err) |
| 593 | goto err1; |
| 594 | err = gpio_direction_output(H3600_EGPIO_IR_ON, 0); |
| 595 | if (err) |
| 596 | goto err2; |
| 597 | err = gpio_request(H3600_EGPIO_IR_FSEL, "IrDA fsel"); |
| 598 | if (err) |
| 599 | goto err2; |
| 600 | err = gpio_direction_output(H3600_EGPIO_IR_FSEL, 0); |
| 601 | if (err) |
| 602 | goto err3; |
| 603 | return 0; |
| 604 | |
| 605 | err3: gpio_free(H3600_EGPIO_IR_FSEL); |
| 606 | err2: gpio_free(H3600_EGPIO_IR_ON); |
| 607 | err1: return err; |
| 608 | } |
| 609 | |
| 610 | static void h3600_irda_shutdown(struct device *dev) |
| 611 | { |
| 612 | gpio_free(H3600_EGPIO_IR_ON); |
| 613 | gpio_free(H3600_EGPIO_IR_FSEL); |
Russell King | a5d176a | 2009-10-06 14:22:23 +0100 | [diff] [blame] | 614 | } |
| 615 | |
| 616 | static struct irda_platform_data h3600_irda_data = { |
| 617 | .set_power = h3600_irda_set_power, |
| 618 | .set_speed = h3600_irda_set_speed, |
Dmitry Artamonow | 22f9740 | 2009-11-27 12:02:28 +0100 | [diff] [blame^] | 619 | .startup = h3600_irda_startup, |
| 620 | .shutdown = h3600_irda_shutdown, |
Russell King | a5d176a | 2009-10-06 14:22:23 +0100 | [diff] [blame] | 621 | }; |
| 622 | |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 623 | static struct gpio_default_state h3600_default_gpio[] = { |
| 624 | { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" }, |
| 625 | { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" }, |
| 626 | { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" }, |
| 627 | }; |
| 628 | |
Dmitry Artamonow | e55b20e | 2009-11-27 11:06:46 +0100 | [diff] [blame] | 629 | static void __init h3600_mach_init(void) |
Russell King | 898e810 | 2009-10-06 14:19:44 +0100 | [diff] [blame] | 630 | { |
Russell King | 6e21ee6 | 2009-10-06 15:16:27 +0100 | [diff] [blame] | 631 | h3xxx_init_gpio(h3600_default_gpio, ARRAY_SIZE(h3600_default_gpio)); |
Russell King | 898e810 | 2009-10-06 14:19:44 +0100 | [diff] [blame] | 632 | h3xxx_mach_init(); |
Russell King | a5d176a | 2009-10-06 14:22:23 +0100 | [diff] [blame] | 633 | sa11x0_register_irda(&h3600_irda_data); |
Russell King | 898e810 | 2009-10-06 14:19:44 +0100 | [diff] [blame] | 634 | } |
| 635 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 636 | MACHINE_START(H3600, "Compaq iPAQ H3600") |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 637 | .phys_io = 0x80000000, |
| 638 | .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, |
| 639 | .boot_params = 0xc0000100, |
| 640 | .map_io = h3600_map_io, |
| 641 | .init_irq = sa1100_init_irq, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 642 | .timer = &sa1100_timer, |
Russell King | 898e810 | 2009-10-06 14:19:44 +0100 | [diff] [blame] | 643 | .init_machine = h3600_mach_init, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | MACHINE_END |
| 645 | |
| 646 | #endif /* CONFIG_SA1100_H3600 */ |
| 647 | |