recipes/linux/omap3-pandora-kernel/0001-SDIO-patches-to-put-some-card-into-into-platform-dev.patch

   1 From 6531593a263a254edcf1effbf132ead1aa5e4654 Mon Sep 17 00:00:00 2001
   2 From: David-John Willis <John.Willis@Distant-earth.com>
   3 Date: Mon, 22 Jun 2009 20:49:31 +0100
   4 Subject: [PATCH] SDIO patches to put some card into into platform devices (hack) to match WL1251 driver.
   5
   6 ---
   7  arch/arm/include/asm/mach/mmc.h          |   10 ++++++
   8  arch/arm/mach-omap2/board-omap3pandora.c |   50 ++++++++++++++++++++++++++++++
   9  arch/arm/mach-omap2/hsmmc.c              |   37 +++++++++++++++++++++-
  10  arch/arm/plat-omap/include/mach/mmc.h    |   12 +++++++
  11  drivers/mmc/host/omap_hsmmc.c            |   24 ++++++++++----
  12  include/linux/mmc/host.h                 |   12 +++---
  13  include/linux/wifi_tiwlan.h              |   32 +++++++++++++++++++
  14  7 files changed, 163 insertions(+), 14 deletions(-)
  15  mode change 100644 => 100755 arch/arm/include/asm/mach/mmc.h
  16  mode change 100644 => 100755 arch/arm/mach-omap2/board-omap3pandora.c
  17  mode change 100644 => 100755 arch/arm/mach-omap2/hsmmc.c
  18  mode change 100644 => 100755 arch/arm/plat-omap/include/mach/mmc.h
  19  mode change 100644 => 100755 drivers/mmc/host/omap_hsmmc.c
  20  mode change 100644 => 100755 include/linux/mmc/host.h
  21  create mode 100755 include/linux/wifi_tiwlan.h
  22
  23 diff --git a/arch/arm/include/asm/mach/mmc.h b/arch/arm/include/asm/mach/mmc.h
  24 old mode 100644
  25 new mode 100755
  26 index 4da332b..4df7955
  27 --- a/arch/arm/include/asm/mach/mmc.h
  28 +++ b/arch/arm/include/asm/mach/mmc.h
  29 @@ -5,11 +5,21 @@
  30  #define ASMARM_MACH_MMC_H
  31
  32  #include <linux/mmc/host.h>
  33 +#include <linux/mmc/card.h>
  34 +#include <linux/mmc/sdio_func.h>
  35 +
  36 +struct embedded_sdio_data {
  37 +        struct sdio_cis cis;
  38 +        struct sdio_cccr cccr;
  39 +        struct sdio_embedded_func *funcs;
  40 +        int num_funcs;
  41 +};
  42
  43  struct mmc_platform_data {
  44         unsigned int ocr_mask;                  /* available voltages */
  45         u32 (*translate_vdd)(struct device *, unsigned int);
  46         unsigned int (*status)(struct device *);
  47 +       struct embedded_sdio_data *embedded_sdio;
  48  };
  49
  50  #endif
  51 diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
  52 old mode 100644
  53 new mode 100755
  54 index 6e4b207..031ad2d
  55 --- a/arch/arm/mach-omap2/board-omap3pandora.c
  56 +++ b/arch/arm/mach-omap2/board-omap3pandora.c
  57 @@ -35,6 +35,8 @@
  58  #include <linux/mtd/nand.h>
  59  #include <linux/mtd/partitions.h>
  60
  61 +#include <linux/wifi_tiwlan.h>
  62 +
  63  #include <asm/mach-types.h>
  64  #include <asm/mach/arch.h>
  65  #include <asm/mach/flash.h>
  66 @@ -58,6 +60,10 @@
  67  #define GPMC_CS0_BASE  0x60
  68  #define GPMC_CS_SIZE   0x30
  69
  70 +#define PANDORA_WIFI_GPIO 23
  71 +
  72 +extern int omap_mmc_fake_detect_mmc3(int is_in);
  73 +
  74  static struct mtd_partition omap3pandora_nand_partitions[] = {
  75         {
  76                 .name           = "xloader",
  77 @@ -446,12 +452,56 @@ static struct platform_device bt_device = {
  78         },
  79  };
  80
  81 +static int pandora_wifi_power_state;
  82 +
  83 +int pandora_wifi_power(int on)
  84 +{
  85 +       printk("%s: %d\n", __func__, on);
  86 +
  87 +       if (on) {
  88 +               gpio_set_value(PANDORA_WIFI_GPIO, 1);
  89 +       mdelay(50);
  90 +       } else {
  91 +           gpio_set_value(PANDORA_WIFI_GPIO, 0);
  92 +       mdelay(50);
  93 +       }
  94 +       pandora_wifi_power_state = on;
  95 +       return 0;
  96 +}
  97 +
  98 +static int pandora_wifi_reset_state;
  99 +
 100 +int pandora_wifi_reset(int on)
 101 +{
 102 +       printk("%s: %d\n", __func__, on);
 103 +       pandora_wifi_reset_state = on;
 104 +       return 0;
 105 +}
 106 +
 107 +struct wifi_platform_data pandora_wifi_control = {
 108 +       .set_power              = pandora_wifi_power,
 109 +       .set_reset              = pandora_wifi_reset,
 110 +       .set_carddetect         = omap_mmc_fake_detect_mmc3,
 111 +       .mem_prealloc           = NULL,
 112 +};
 113 +
 114 +static struct platform_device pandora_wifi = {
 115 +       .name           = "msm_wifi", /* Hack to work with hardcode in driver */
 116 +       .id             = 1,
 117 +       .num_resources  = 0,
 118 +       .resource       = NULL,
 119 +       .dev            = {
 120 +       .platform_data = &pandora_wifi_control,
 121 +       },
 122 +};
 123 +
 124  static struct platform_device *omap3pandora_devices[] __initdata = {
 125         &omap3pandora_lcd_device,
 126         &omap3pandora_leds_gpio,
 127         &bt_device,
 128         &omap3pandora_bl,
 129         &omap3pandora_dss_device,
 130 +    &pandora_wifi,
 131  };
 132
 133  static void __init omap3pandora_init(void)
 134 diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
 135 old mode 100644
 136 new mode 100755
 137 index 66d08fc..80d344e
 138 --- a/arch/arm/mach-omap2/hsmmc.c
 139 +++ b/arch/arm/mach-omap2/hsmmc.c
 140 @@ -380,13 +380,48 @@ static int hsmmc3_set_power(struct device *dev, int slot, int power_on,
 141         return 0;
 142  }
 143
 144 +/*
 145 + * Hack: Hardcoded WL1251 embedded data for Pandora
 146 + * - passed up via a dirty hack to the MMC platform data.
 147 + */
 148 +
 149 +#include <linux/mmc/host.h>
 150 +#include <linux/mmc/card.h>
 151 +#include <linux/mmc/sdio_func.h>
 152 +#include <linux/mmc/sdio_ids.h>
 153 +
 154 +static struct sdio_embedded_func wifi_func = {
 155 +       .f_class        = SDIO_CLASS_WLAN,
 156 +       .f_maxblksize   = 512,
 157 +};
 158 +
 159 +static struct embedded_sdio_data pandora_wifi_emb_data = {
 160 +       .cis    = {
 161 +               .vendor         = 0x104c,
 162 +               .device         = 0x9066,
 163 +               .blksize        = 512,
 164 +               .max_dtr        = 20000000,
 165 +       },
 166 +       .cccr   = {
 167 +               .multi_block    = 0,
 168 +               .low_speed      = 0,
 169 +               .wide_bus       = 1,
 170 +               .high_power     = 0,
 171 +               .high_speed     = 0,
 172 +       },
 173 +       .funcs  = &wifi_func,
 174 +       .num_funcs = 1,
 175 +};
 176 +
 177 +
 178  static struct omap_mmc_platform_data mmc3_data = {
 179         .nr_slots                       = 1,
 180         .dma_mask                       = 0xffffffff,
 181 +       .embedded_sdio              = &pandora_wifi_emb_data,
 182         .slots[0] = {
 183                 .wire4                  = 1,
 184                 .set_power              = hsmmc3_set_power,
 185 -               .ocr_mask               = MMC_VDD_165_195 | MMC_VDD_20_21,
 186 +               .ocr_mask               = MMC_VDD_28_29,
 187                 .name                   = "third slot",
 188         },
 189  };
 190 diff --git a/arch/arm/plat-omap/include/mach/mmc.h b/arch/arm/plat-omap/include/mach/mmc.h
 191 old mode 100644
 192 new mode 100755
 193 index 2f20789..1a10c07
 194 --- a/arch/arm/plat-omap/include/mach/mmc.h
 195 +++ b/arch/arm/plat-omap/include/mach/mmc.h
 196 @@ -33,6 +33,16 @@
 197
 198  #define OMAP_MMC_MAX_SLOTS     2
 199
 200 +#include <linux/mmc/card.h>
 201 +#include <linux/mmc/sdio_func.h>
 202 +
 203 +struct embedded_sdio_data {
 204 +        struct sdio_cis cis;
 205 +        struct sdio_cccr cccr;
 206 +        struct sdio_embedded_func *funcs;
 207 +        int num_funcs;
 208 +};
 209 +
 210  struct omap_mmc_platform_data {
 211
 212         /* number of slots per controller */
 213 @@ -56,6 +66,8 @@ struct omap_mmc_platform_data {
 214
 215         u64 dma_mask;
 216
 217 +       struct embedded_sdio_data *embedded_sdio;
 218 +
 219         struct omap_mmc_slot_data {
 220
 221                 /*
 222 diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
 223 old mode 100644
 224 new mode 100755
 225 index c80c063..bc5c73b
 226 --- a/drivers/mmc/host/omap_hsmmc.c
 227 +++ b/drivers/mmc/host/omap_hsmmc.c
 228 @@ -156,9 +156,9 @@ struct mmc_omap_host {
 229
 230
 231  /*
 232 - * Hack: hardcoded WL1251 embedded data
 233 + * Hack: hardcoded WL1251 embedded data - Should be passed in platform data,
 234   */
 235 -#include <linux/mmc/card.h>
 236 +/*#include <linux/mmc/card.h>
 237  #include <linux/mmc/sdio_func.h>
 238  #include <linux/mmc/sdio_ids.h>
 239
 240 @@ -166,7 +166,6 @@ static struct sdio_cis wifi_cis = {
 241         .vendor         = 0x104c,
 242         .device         = 0x9066,
 243         .blksize        = 512,
 244 -       /*.max_dtr      = 24000000,  Max of chip - no worky on Trout */
 245         .max_dtr        = 20000000,
 246  };
 247
 248 @@ -181,7 +180,8 @@ static struct sdio_cccr wifi_cccr = {
 249  static struct sdio_embedded_func wifi_func = {
 250         .f_class        = SDIO_CLASS_WLAN,
 251         .f_maxblksize   = 512,
 252 -};
 253 +};*/
 254 +
 255
 256  /*
 257   * A hack to have fake detect events on MMC3
 258 @@ -189,11 +189,11 @@ static struct sdio_embedded_func wifi_func = {
 259   */
 260  static struct mmc_omap_host *mmc3_host;
 261
 262 -void omap_mmc_fake_detect_mmc3(int is_in)
 263 +int omap_mmc_fake_detect_mmc3(int is_in)
 264  {
 265         if (mmc3_host) {
 266 -               mmc_set_embedded_sdio_data(mmc3_host->mmc, &wifi_cis,
 267 -                                       &wifi_cccr, &wifi_func, 1);
 268 +//             mmc_set_embedded_sdio_data(mmc3_host->mmc, &wifi_cis,
 269 +//                                     &wifi_cccr, &wifi_func, 1);
 270
 271                 printk(KERN_INFO "Sending %s event for MMC3...\n",
 272                         is_in ? "insert" : "remove");
 273 @@ -202,6 +202,7 @@ void omap_mmc_fake_detect_mmc3(int is_in)
 274         } else
 275                 printk(KERN_ERR "Can't scan MMC3, host not registered "
 276                                 "with driver.\n");
 277 +       return 0;
 278  }
 279
 280  EXPORT_SYMBOL(omap_mmc_fake_detect_mmc3);
 281 @@ -957,6 +958,15 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
 282
 283         sema_init(&host->sem, 1);
 284
 285 +#ifdef CONFIG_MMC_EMBEDDED_SDIO
 286 +       if (pdata->embedded_sdio)
 287 +               mmc_set_embedded_sdio_data(mmc,
 288 +                                          &pdata->embedded_sdio->cis,
 289 +                                          &pdata->embedded_sdio->cccr,
 290 +                                          pdata->embedded_sdio->funcs,
 291 +                                          pdata->embedded_sdio->num_funcs);
 292 +#endif
 293 +
 294         host->iclk = clk_get(&pdev->dev, "mmchs_ick");
 295         if (IS_ERR(host->iclk)) {
 296                 ret = PTR_ERR(host->iclk);
 297 diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
 298 old mode 100644
 299 new mode 100755
 300 index 6016dcb..0a47c82
 301 --- a/include/linux/mmc/host.h
 302 +++ b/include/linux/mmc/host.h
 303 @@ -160,12 +160,12 @@ struct mmc_host {
 304         struct dentry           *debugfs_root;
 305
 306  #ifdef CONFIG_MMC_EMBEDDED_SDIO
 307 -       struct {
 308 -               struct sdio_cis                 *cis;
 309 -               struct sdio_cccr                *cccr;
 310 -               struct sdio_embedded_func       *funcs;
 311 -               int                             num_funcs;
 312 -       } embedded_sdio_data;
 313 +       struct {
 314 +               struct sdio_cis                 *cis;
 315 +               struct sdio_cccr                *cccr;
 316 +               struct sdio_embedded_func       *funcs;
 317 +               int                             num_funcs;
 318 +       } embedded_sdio_data;
 319  #endif
 320
 321         unsigned long           private[0] ____cacheline_aligned;
 322 diff --git a/include/linux/wifi_tiwlan.h b/include/linux/wifi_tiwlan.h
 323 new file mode 100755
 324 index 0000000..f4e0e3c
 325 --- /dev/null
 326 +++ b/include/linux/wifi_tiwlan.h
 327 @@ -0,0 +1,32 @@
 328 +/* include/linux/wifi_tiwlan.h\r
 329 + *\r
 330 + * Copyright (C) 2008 Google, Inc.\r
 331 + *\r
 332 + * This software is licensed under the terms of the GNU General Public\r
 333 + * License version 2, as published by the Free Software Foundation, and\r
 334 + * may be copied, distributed, and modified under those terms.\r
 335 + *\r
 336 + * This program is distributed in the hope that it will be useful,\r
 337 + * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
 338 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
 339 + * GNU General Public License for more details.\r
 340 + *\r
 341 + */\r
 342 +#ifndef _LINUX_WIFI_TIWLAN_H_\r
 343 +#define _LINUX_WIFI_TIWLAN_H_\r
 344 +\r
 345 +#define WMPA_NUMBER_OF_SECTIONS        3\r
 346 +#define WMPA_NUMBER_OF_BUFFERS 160\r
 347 +#define WMPA_SECTION_HEADER    24\r
 348 +#define WMPA_SECTION_SIZE_0    (WMPA_NUMBER_OF_BUFFERS * 64)\r
 349 +#define WMPA_SECTION_SIZE_1    (WMPA_NUMBER_OF_BUFFERS * 256)\r
 350 +#define WMPA_SECTION_SIZE_2    (WMPA_NUMBER_OF_BUFFERS * 2048)\r
 351 +\r
 352 +struct wifi_platform_data {\r
 353 +        int (*set_power)(int val);\r
 354 +        int (*set_reset)(int val);\r
 355 +        int (*set_carddetect)(int val);\r
 356 +               void *(*mem_prealloc)(int section, unsigned long size);\r
 357 +};\r
 358 +\r
 359 +#endif\r
 360 --
 361 1.6.3.1
 362