package/kernel/mac80211/patches/brcm/329-v5.0-0004-brcmfmac-add-support-for-CYW43012-SDIO-chipset.patch

   1 From 35cb51b2162a1a7c5cd977f92595e60ab14d3b22 Mon Sep 17 00:00:00 2001
   2 From: Chi-Hsien Lin <Chi-Hsien.Lin@cypress.com>
   3 Date: Wed, 21 Nov 2018 07:53:47 +0000
   4 Subject: [PATCH] brcmfmac: add support for CYW43012 SDIO chipset
   5
   6 CYW43012 is a 1x1 802.11a/b/g/n Dual-Band HT20, 256-QAM/Turbo QAM. It
   7 is an Ultra Low Power WLAN+BT combo chip.
   8
   9 Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
  10 Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
  11 Signed-off-by: Praveen Babu C <praveen.chandran@cypress.com>
  12 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  13 ---
  14  .../broadcom/brcm80211/brcmfmac/bcmsdh.c      |  1 +
  15  .../broadcom/brcm80211/brcmfmac/chip.c        | 14 +++-
  16  .../broadcom/brcm80211/brcmfmac/sdio.c        | 74 ++++++++++++++++---
  17  .../broadcom/brcm80211/include/brcm_hw_ids.h  |  1 +
  18  include/linux/mmc/sdio_ids.h                  |  1 +
  19  5 files changed, 78 insertions(+), 13 deletions(-)
  20
  21 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
  22 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
  23 @@ -972,6 +972,7 @@ static const struct sdio_device_id brcmf
  24         BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4354),
  25         BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4356),
  26         BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_CYPRESS_4373),
  27 +       BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_CYPRESS_43012),
  28         { /* end: all zeroes */ }
  29  };
  30  MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
  31 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
  32 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
  33 @@ -165,6 +165,7 @@ struct sbconfig {
  34  #define SRCI_LSS_MASK          0x00f00000
  35  #define SRCI_LSS_SHIFT         20
  36  #define        SRCI_SRNB_MASK          0xf0
  37 +#define        SRCI_SRNB_MASK_EXT      0x100
  38  #define        SRCI_SRNB_SHIFT         4
  39  #define        SRCI_SRBSZ_MASK         0xf
  40  #define        SRCI_SRBSZ_SHIFT        0
  41 @@ -592,7 +593,13 @@ static void brcmf_chip_socram_ramsize(st
  42                 if (lss != 0)
  43                         *ramsize += (1 << ((lss - 1) + SR_BSZ_BASE));
  44         } else {
  45 -               nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
  46 +               /* length of SRAM Banks increased for corerev greater than 23 */
  47 +               if (sr->pub.rev >= 23) {
  48 +                       nb = (coreinfo & (SRCI_SRNB_MASK | SRCI_SRNB_MASK_EXT))
  49 +                               >> SRCI_SRNB_SHIFT;
  50 +               } else {
  51 +                       nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
  52 +               }
  53                 for (i = 0; i < nb; i++) {
  54                         retent = brcmf_chip_socram_banksize(sr, i, &banksize);
  55                         *ramsize += banksize;
  56 @@ -1356,6 +1363,11 @@ bool brcmf_chip_sr_capable(struct brcmf_
  57                 addr = CORE_CC_REG(base, sr_control1);
  58                 reg = chip->ops->read32(chip->ctx, addr);
  59                 return reg != 0;
  60 +       case CY_CC_43012_CHIP_ID:
  61 +               addr = CORE_CC_REG(pmu->base, retention_ctl);
  62 +               reg = chip->ops->read32(chip->ctx, addr);
  63 +               return (reg & (PMU_RCTL_MACPHY_DISABLE_MASK |
  64 +                              PMU_RCTL_LOGIC_DISABLE_MASK)) == 0;
  65         default:
  66                 addr = CORE_CC_REG(pmu->base, pmucapabilities_ext);
  67                 reg = chip->ops->read32(chip->ctx, addr);
  68 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
  69 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
  70 @@ -624,6 +624,7 @@ BRCMF_FW_DEF(43455, "brcmfmac43455-sdio"
  71  BRCMF_FW_DEF(4354, "brcmfmac4354-sdio");
  72  BRCMF_FW_DEF(4356, "brcmfmac4356-sdio");
  73  BRCMF_FW_DEF(4373, "brcmfmac4373-sdio");
  74 +BRCMF_FW_DEF(43012, "brcmfmac43012-sdio");
  75
  76  static const struct brcmf_firmware_mapping brcmf_sdio_fwnames[] = {
  77         BRCMF_FW_ENTRY(BRCM_CC_43143_CHIP_ID, 0xFFFFFFFF, 43143),
  78 @@ -643,7 +644,8 @@ static const struct brcmf_firmware_mappi
  79         BRCMF_FW_ENTRY(BRCM_CC_4345_CHIP_ID, 0xFFFFFFC0, 43455),
  80         BRCMF_FW_ENTRY(BRCM_CC_4354_CHIP_ID, 0xFFFFFFFF, 4354),
  81         BRCMF_FW_ENTRY(BRCM_CC_4356_CHIP_ID, 0xFFFFFFFF, 4356),
  82 -       BRCMF_FW_ENTRY(CY_CC_4373_CHIP_ID, 0xFFFFFFFF, 4373)
  83 +       BRCMF_FW_ENTRY(CY_CC_4373_CHIP_ID, 0xFFFFFFFF, 4373),
  84 +       BRCMF_FW_ENTRY(CY_CC_43012_CHIP_ID, 0xFFFFFFFF, 43012)
  85  };
  86
  87  static void pkt_align(struct sk_buff *p, int len, int align)
  88 @@ -677,6 +679,14 @@ brcmf_sdio_kso_control(struct brcmf_sdio
  89         /* 1st KSO write goes to AOS wake up core if device is asleep  */
  90         brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, wr_val, &err);
  91
  92 +       /* In case of 43012 chip, the chip could go down immediately after
  93 +        * KSO bit is cleared. So the further reads of KSO register could
  94 +        * fail. Thereby just bailing out immediately after clearing KSO
  95 +        * bit, to avoid polling of KSO bit.
  96 +        */
  97 +       if (!on && bus->ci->chip == CY_CC_43012_CHIP_ID)
  98 +               return err;
  99 +
 100         if (on) {
 101                 /* device WAKEUP through KSO:
 102                  * write bit 0 & read back until
 103 @@ -2402,6 +2412,14 @@ static int brcmf_sdio_tx_ctrlframe(struc
 104         return ret;
 105  }
 106
 107 +static bool brcmf_chip_is_ulp(struct brcmf_chip *ci)
 108 +{
 109 +       if (ci->chip == CY_CC_43012_CHIP_ID)
 110 +               return true;
 111 +       else
 112 +               return false;
 113 +}
 114 +
 115  static void brcmf_sdio_bus_stop(struct device *dev)
 116  {
 117         struct brcmf_bus *bus_if = dev_get_drvdata(dev);
 118 @@ -2409,7 +2427,7 @@ static void brcmf_sdio_bus_stop(struct d
 119         struct brcmf_sdio *bus = sdiodev->bus;
 120         struct brcmf_core *core = bus->sdio_core;
 121         u32 local_hostintmask;
 122 -       u8 saveclk;
 123 +       u8 saveclk, bpreq;
 124         int err;
 125
 126         brcmf_dbg(TRACE, "Enter\n");
 127 @@ -2436,9 +2454,14 @@ static void brcmf_sdio_bus_stop(struct d
 128                 /* Force backplane clocks to assure F2 interrupt propagates */
 129                 saveclk = brcmf_sdiod_readb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
 130                                             &err);
 131 -               if (!err)
 132 -                       brcmf_sdiod_writeb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
 133 -                                          (saveclk | SBSDIO_FORCE_HT), &err);
 134 +               if (!err) {
 135 +                       bpreq = saveclk;
 136 +                       bpreq |= brcmf_chip_is_ulp(bus->ci) ?
 137 +                               SBSDIO_HT_AVAIL_REQ : SBSDIO_FORCE_HT;
 138 +                       brcmf_sdiod_writeb(sdiodev,
 139 +                                          SBSDIO_FUNC1_CHIPCLKCSR,
 140 +                                          bpreq, &err);
 141 +               }
 142                 if (err)
 143                         brcmf_err("Failed to force clock for F2: err %d\n",
 144                                   err);
 145 @@ -3328,20 +3351,45 @@ err:
 146         return bcmerror;
 147  }
 148
 149 +static bool brcmf_sdio_aos_no_decode(struct brcmf_sdio *bus)
 150 +{
 151 +       if (bus->ci->chip == CY_CC_43012_CHIP_ID)
 152 +               return true;
 153 +       else
 154 +               return false;
 155 +}
 156 +
 157  static void brcmf_sdio_sr_init(struct brcmf_sdio *bus)
 158  {
 159         int err = 0;
 160         u8 val;
 161 +       u8 wakeupctrl;
 162 +       u8 cardcap;
 163 +       u8 chipclkcsr;
 164
 165         brcmf_dbg(TRACE, "Enter\n");
 166
 167 +       if (brcmf_chip_is_ulp(bus->ci)) {
 168 +               wakeupctrl = SBSDIO_FUNC1_WCTRL_ALPWAIT_SHIFT;
 169 +               chipclkcsr = SBSDIO_HT_AVAIL_REQ;
 170 +       } else {
 171 +               wakeupctrl = SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT;
 172 +               chipclkcsr = SBSDIO_FORCE_HT;
 173 +       }
 174 +
 175 +       if (brcmf_sdio_aos_no_decode(bus)) {
 176 +               cardcap = SDIO_CCCR_BRCM_CARDCAP_CMD_NODEC;
 177 +       } else {
 178 +               cardcap = (SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT |
 179 +                          SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT);
 180 +       }
 181 +
 182         val = brcmf_sdiod_readb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, &err);
 183         if (err) {
 184                 brcmf_err("error reading SBSDIO_FUNC1_WAKEUPCTRL\n");
 185                 return;
 186         }
 187 -
 188 -       val |= 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT;
 189 +       val |= 1 << wakeupctrl;
 190         brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, val, &err);
 191         if (err) {
 192                 brcmf_err("error writing SBSDIO_FUNC1_WAKEUPCTRL\n");
 193 @@ -3350,8 +3398,7 @@ static void brcmf_sdio_sr_init(struct br
 194
 195         /* Add CMD14 Support */
 196         brcmf_sdiod_func0_wb(bus->sdiodev, SDIO_CCCR_BRCM_CARDCAP,
 197 -                            (SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT |
 198 -                             SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT),
 199 +                            cardcap,
 200                              &err);
 201         if (err) {
 202                 brcmf_err("error writing SDIO_CCCR_BRCM_CARDCAP\n");
 203 @@ -3359,7 +3406,7 @@ static void brcmf_sdio_sr_init(struct br
 204         }
 205
 206         brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
 207 -                          SBSDIO_FORCE_HT, &err);
 208 +                          chipclkcsr, &err);
 209         if (err) {
 210                 brcmf_err("error writing SBSDIO_FUNC1_CHIPCLKCSR\n");
 211                 return;
 212 @@ -4051,7 +4098,7 @@ static void brcmf_sdio_firmware_callback
 213         const struct firmware *code;
 214         void *nvram;
 215         u32 nvram_len;
 216 -       u8 saveclk;
 217 +       u8 saveclk, bpreq;
 218         u8 devctl;
 219
 220         brcmf_dbg(TRACE, "Enter: dev=%s, err=%d\n", dev_name(dev), err);
 221 @@ -4085,8 +4132,11 @@ static void brcmf_sdio_firmware_callback
 222         /* Force clocks on backplane to be sure F2 interrupt propagates */
 223         saveclk = brcmf_sdiod_readb(sdiod, SBSDIO_FUNC1_CHIPCLKCSR, &err);
 224         if (!err) {
 225 +               bpreq = saveclk;
 226 +               bpreq |= brcmf_chip_is_ulp(bus->ci) ?
 227 +                       SBSDIO_HT_AVAIL_REQ : SBSDIO_FORCE_HT;
 228                 brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_CHIPCLKCSR,
 229 -                                  (saveclk | SBSDIO_FORCE_HT), &err);
 230 +                                  bpreq, &err);
 231         }
 232         if (err) {
 233                 brcmf_err("Failed to force clock for F2: err %d\n", err);
 234 --- a/drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h
 235 +++ b/drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h
 236 @@ -60,6 +60,7 @@
 237  #define BRCM_CC_43664_CHIP_ID          43664
 238  #define BRCM_CC_4371_CHIP_ID           0x4371
 239  #define CY_CC_4373_CHIP_ID             0x4373
 240 +#define CY_CC_43012_CHIP_ID            43012
 241
 242  /* USB Device IDs */
 243  #define BRCM_USB_43143_DEVICE_ID       0xbd1e
 244 --- a/include/linux/mmc/sdio_ids.h
 245 +++ b/include/linux/mmc/sdio_ids.h
 246 @@ -42,6 +42,7 @@
 247  #define SDIO_DEVICE_ID_BROADCOM_4354           0x4354
 248  #define SDIO_DEVICE_ID_BROADCOM_4356           0x4356
 249  #define SDIO_DEVICE_ID_CYPRESS_4373            0x4373
 250 +#define SDIO_DEVICE_ID_CYPRESS_43012           43012
 251
 252  #define SDIO_VENDOR_ID_INTEL                   0x0089
 253  #define SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX     0x1402