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path: root/drivers/mfd/rtsx_pcr.c
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Diffstat (limited to 'drivers/mfd/rtsx_pcr.c')
-rw-r--r--drivers/mfd/rtsx_pcr.c109
1 files changed, 72 insertions, 37 deletions
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index 30f7ca89a0e6..a66540a49079 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -58,11 +58,25 @@ static const struct pci_device_id rtsx_pci_ids[] = {
{ PCI_DEVICE(0x10EC, 0x5249), PCI_CLASS_OTHERS << 16, 0xFF0000 },
{ PCI_DEVICE(0x10EC, 0x5287), PCI_CLASS_OTHERS << 16, 0xFF0000 },
{ PCI_DEVICE(0x10EC, 0x5286), PCI_CLASS_OTHERS << 16, 0xFF0000 },
+ { PCI_DEVICE(0x10EC, 0x524A), PCI_CLASS_OTHERS << 16, 0xFF0000 },
+ { PCI_DEVICE(0x10EC, 0x525A), PCI_CLASS_OTHERS << 16, 0xFF0000 },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, rtsx_pci_ids);
+static inline void rtsx_pci_enable_aspm(struct rtsx_pcr *pcr)
+{
+ rtsx_pci_update_cfg_byte(pcr, pcr->pcie_cap + PCI_EXP_LNKCTL,
+ 0xFC, pcr->aspm_en);
+}
+
+static inline void rtsx_pci_disable_aspm(struct rtsx_pcr *pcr)
+{
+ rtsx_pci_update_cfg_byte(pcr, pcr->pcie_cap + PCI_EXP_LNKCTL,
+ 0xFC, 0);
+}
+
void rtsx_pci_start_run(struct rtsx_pcr *pcr)
{
/* If pci device removed, don't queue idle work any more */
@@ -75,7 +89,7 @@ void rtsx_pci_start_run(struct rtsx_pcr *pcr)
pcr->ops->enable_auto_blink(pcr);
if (pcr->aspm_en)
- rtsx_pci_write_config_byte(pcr, LCTLR, 0);
+ rtsx_pci_disable_aspm(pcr);
}
mod_delayed_work(system_wq, &pcr->idle_work, msecs_to_jiffies(200));
@@ -130,7 +144,7 @@ int rtsx_pci_read_register(struct rtsx_pcr *pcr, u16 addr, u8 *data)
}
EXPORT_SYMBOL_GPL(rtsx_pci_read_register);
-int rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val)
+int __rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val)
{
int err, i, finished = 0;
u8 tmp;
@@ -162,9 +176,17 @@ int rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val)
return 0;
}
+
+int rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val)
+{
+ if (pcr->ops->write_phy)
+ return pcr->ops->write_phy(pcr, addr, val);
+
+ return __rtsx_pci_write_phy_register(pcr, addr, val);
+}
EXPORT_SYMBOL_GPL(rtsx_pci_write_phy_register);
-int rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val)
+int __rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val)
{
int err, i, finished = 0;
u16 data;
@@ -210,6 +232,14 @@ int rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val)
return 0;
}
+
+int rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val)
+{
+ if (pcr->ops->read_phy)
+ return pcr->ops->read_phy(pcr, addr, val);
+
+ return __rtsx_pci_read_phy_register(pcr, addr, val);
+}
EXPORT_SYMBOL_GPL(rtsx_pci_read_phy_register);
void rtsx_pci_stop_cmd(struct rtsx_pcr *pcr)
@@ -286,8 +316,7 @@ int rtsx_pci_send_cmd(struct rtsx_pcr *pcr, int timeout)
timeleft = wait_for_completion_interruptible_timeout(
&trans_done, msecs_to_jiffies(timeout));
if (timeleft <= 0) {
- dev_dbg(&(pcr->pci->dev), "Timeout (%s %d)\n",
- __func__, __LINE__);
+ pcr_dbg(pcr, "Timeout (%s %d)\n", __func__, __LINE__);
err = -ETIMEDOUT;
goto finish_send_cmd;
}
@@ -323,8 +352,7 @@ static void rtsx_pci_add_sg_tbl(struct rtsx_pcr *pcr,
u64 val;
u8 option = SG_VALID | SG_TRANS_DATA;
- dev_dbg(&(pcr->pci->dev), "DMA addr: 0x%x, Len: 0x%x\n",
- (unsigned int)addr, len);
+ pcr_dbg(pcr, "DMA addr: 0x%x, Len: 0x%x\n", (unsigned int)addr, len);
if (end)
option |= SG_END;
@@ -339,11 +367,11 @@ int rtsx_pci_transfer_data(struct rtsx_pcr *pcr, struct scatterlist *sglist,
{
int err = 0, count;
- dev_dbg(&(pcr->pci->dev), "--> %s: num_sg = %d\n", __func__, num_sg);
+ pcr_dbg(pcr, "--> %s: num_sg = %d\n", __func__, num_sg);
count = rtsx_pci_dma_map_sg(pcr, sglist, num_sg, read);
if (count < 1)
return -EINVAL;
- dev_dbg(&(pcr->pci->dev), "DMA mapping count: %d\n", count);
+ pcr_dbg(pcr, "DMA mapping count: %d\n", count);
err = rtsx_pci_dma_transfer(pcr, sglist, count, read, timeout);
@@ -417,8 +445,7 @@ int rtsx_pci_dma_transfer(struct rtsx_pcr *pcr, struct scatterlist *sglist,
timeleft = wait_for_completion_interruptible_timeout(
&trans_done, msecs_to_jiffies(timeout));
if (timeleft <= 0) {
- dev_dbg(&(pcr->pci->dev), "Timeout (%s %d)\n",
- __func__, __LINE__);
+ pcr_dbg(pcr, "Timeout (%s %d)\n", __func__, __LINE__);
err = -ETIMEDOUT;
goto out;
}
@@ -592,7 +619,7 @@ static void rtsx_pci_enable_bus_int(struct rtsx_pcr *pcr)
/* Enable Bus Interrupt */
rtsx_pci_writel(pcr, RTSX_BIER, pcr->bier);
- dev_dbg(&(pcr->pci->dev), "RTSX_BIER: 0x%08x\n", pcr->bier);
+ pcr_dbg(pcr, "RTSX_BIER: 0x%08x\n", pcr->bier);
}
static inline u8 double_ssc_depth(u8 depth)
@@ -638,14 +665,13 @@ int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
return err;
card_clock /= 1000000;
- dev_dbg(&(pcr->pci->dev), "Switch card clock to %dMHz\n", card_clock);
+ pcr_dbg(pcr, "Switch card clock to %dMHz\n", card_clock);
clk = card_clock;
if (!initial_mode && double_clk)
clk = card_clock * 2;
- dev_dbg(&(pcr->pci->dev),
- "Internal SSC clock: %dMHz (cur_clock = %d)\n",
- clk, pcr->cur_clock);
+ pcr_dbg(pcr, "Internal SSC clock: %dMHz (cur_clock = %d)\n",
+ clk, pcr->cur_clock);
if (clk == pcr->cur_clock)
return 0;
@@ -674,14 +700,14 @@ int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
}
div++;
}
- dev_dbg(&(pcr->pci->dev), "n = %d, div = %d\n", n, div);
+ pcr_dbg(pcr, "n = %d, div = %d\n", n, div);
ssc_depth = depth[ssc_depth];
if (double_clk)
ssc_depth = double_ssc_depth(ssc_depth);
ssc_depth = revise_ssc_depth(ssc_depth, div);
- dev_dbg(&(pcr->pci->dev), "ssc_depth = %d\n", ssc_depth);
+ pcr_dbg(pcr, "ssc_depth = %d\n", ssc_depth);
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CLK_CTL,
@@ -803,13 +829,13 @@ static void rtsx_pci_card_detect(struct work_struct *work)
dwork = to_delayed_work(work);
pcr = container_of(dwork, struct rtsx_pcr, carddet_work);
- dev_dbg(&(pcr->pci->dev), "--> %s\n", __func__);
+ pcr_dbg(pcr, "--> %s\n", __func__);
mutex_lock(&pcr->pcr_mutex);
spin_lock_irqsave(&pcr->lock, flags);
irq_status = rtsx_pci_readl(pcr, RTSX_BIPR);
- dev_dbg(&(pcr->pci->dev), "irq_status: 0x%08x\n", irq_status);
+ pcr_dbg(pcr, "irq_status: 0x%08x\n", irq_status);
irq_status &= CARD_EXIST;
card_inserted = pcr->card_inserted & irq_status;
@@ -820,9 +846,8 @@ static void rtsx_pci_card_detect(struct work_struct *work)
spin_unlock_irqrestore(&pcr->lock, flags);
if (card_inserted || card_removed) {
- dev_dbg(&(pcr->pci->dev),
- "card_inserted: 0x%x, card_removed: 0x%x\n",
- card_inserted, card_removed);
+ pcr_dbg(pcr, "card_inserted: 0x%x, card_removed: 0x%x\n",
+ card_inserted, card_removed);
if (pcr->ops->cd_deglitch)
card_inserted = pcr->ops->cd_deglitch(pcr);
@@ -930,7 +955,7 @@ static void rtsx_pci_idle_work(struct work_struct *work)
struct delayed_work *dwork = to_delayed_work(work);
struct rtsx_pcr *pcr = container_of(dwork, struct rtsx_pcr, idle_work);
- dev_dbg(&(pcr->pci->dev), "--> %s\n", __func__);
+ pcr_dbg(pcr, "--> %s\n", __func__);
mutex_lock(&pcr->pcr_mutex);
@@ -942,7 +967,7 @@ static void rtsx_pci_idle_work(struct work_struct *work)
pcr->ops->turn_off_led(pcr);
if (pcr->aspm_en)
- rtsx_pci_write_config_byte(pcr, LCTLR, pcr->aspm_en);
+ rtsx_pci_enable_aspm(pcr);
mutex_unlock(&pcr->pcr_mutex);
}
@@ -968,6 +993,7 @@ static int rtsx_pci_init_hw(struct rtsx_pcr *pcr)
{
int err;
+ pcr->pcie_cap = pci_find_capability(pcr->pci, PCI_CAP_ID_EXP);
rtsx_pci_writel(pcr, RTSX_HCBAR, pcr->host_cmds_addr);
rtsx_pci_enable_bus_int(pcr);
@@ -980,6 +1006,7 @@ static int rtsx_pci_init_hw(struct rtsx_pcr *pcr)
/* Wait SSC power stable */
udelay(200);
+ rtsx_pci_disable_aspm(pcr);
if (pcr->ops->optimize_phy) {
err = pcr->ops->optimize_phy(pcr);
if (err < 0)
@@ -1028,10 +1055,8 @@ static int rtsx_pci_init_hw(struct rtsx_pcr *pcr)
if (err < 0)
return err;
- rtsx_pci_write_config_byte(pcr, LCTLR, 0);
-
/* Enable clk_request_n to enable clock power management */
- rtsx_pci_write_config_byte(pcr, 0x81, 1);
+ rtsx_pci_write_config_byte(pcr, pcr->pcie_cap + PCI_EXP_LNKCTL + 1, 1);
/* Enter L1 when host tx idle */
rtsx_pci_write_config_byte(pcr, 0x70F, 0x5B);
@@ -1081,6 +1106,14 @@ static int rtsx_pci_init_chip(struct rtsx_pcr *pcr)
rts5249_init_params(pcr);
break;
+ case 0x524A:
+ rts524a_init_params(pcr);
+ break;
+
+ case 0x525A:
+ rts525a_init_params(pcr);
+ break;
+
case 0x5287:
rtl8411b_init_params(pcr);
break;
@@ -1090,7 +1123,7 @@ static int rtsx_pci_init_chip(struct rtsx_pcr *pcr)
break;
}
- dev_dbg(&(pcr->pci->dev), "PID: 0x%04x, IC version: 0x%02x\n",
+ pcr_dbg(pcr, "PID: 0x%04x, IC version: 0x%02x\n",
PCI_PID(pcr), pcr->ic_version);
pcr->slots = kcalloc(pcr->num_slots, sizeof(struct rtsx_slot),
@@ -1101,14 +1134,14 @@ static int rtsx_pci_init_chip(struct rtsx_pcr *pcr)
if (pcr->ops->fetch_vendor_settings)
pcr->ops->fetch_vendor_settings(pcr);
- dev_dbg(&(pcr->pci->dev), "pcr->aspm_en = 0x%x\n", pcr->aspm_en);
- dev_dbg(&(pcr->pci->dev), "pcr->sd30_drive_sel_1v8 = 0x%x\n",
+ pcr_dbg(pcr, "pcr->aspm_en = 0x%x\n", pcr->aspm_en);
+ pcr_dbg(pcr, "pcr->sd30_drive_sel_1v8 = 0x%x\n",
pcr->sd30_drive_sel_1v8);
- dev_dbg(&(pcr->pci->dev), "pcr->sd30_drive_sel_3v3 = 0x%x\n",
+ pcr_dbg(pcr, "pcr->sd30_drive_sel_3v3 = 0x%x\n",
pcr->sd30_drive_sel_3v3);
- dev_dbg(&(pcr->pci->dev), "pcr->card_drive_sel = 0x%x\n",
+ pcr_dbg(pcr, "pcr->card_drive_sel = 0x%x\n",
pcr->card_drive_sel);
- dev_dbg(&(pcr->pci->dev), "pcr->flags = 0x%x\n", pcr->flags);
+ pcr_dbg(pcr, "pcr->flags = 0x%x\n", pcr->flags);
pcr->state = PDEV_STAT_IDLE;
err = rtsx_pci_init_hw(pcr);
@@ -1126,7 +1159,7 @@ static int rtsx_pci_probe(struct pci_dev *pcidev,
struct rtsx_pcr *pcr;
struct pcr_handle *handle;
u32 base, len;
- int ret, i;
+ int ret, i, bar = 0;
dev_dbg(&(pcidev->dev),
": Realtek PCI-E Card Reader found at %s [%04x:%04x] (rev %x)\n",
@@ -1171,8 +1204,10 @@ static int rtsx_pci_probe(struct pci_dev *pcidev,
pcr->pci = pcidev;
dev_set_drvdata(&pcidev->dev, handle);
- len = pci_resource_len(pcidev, 0);
- base = pci_resource_start(pcidev, 0);
+ if (CHK_PCI_PID(pcr, 0x525A))
+ bar = 1;
+ len = pci_resource_len(pcidev, bar);
+ base = pci_resource_start(pcidev, bar);
pcr->remap_addr = ioremap_nocache(base, len);
if (!pcr->remap_addr) {
ret = -ENOMEM;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.