diff options
Diffstat (limited to 'drivers/i3c/master/mipi-i3c-hci/hci.h')
| -rw-r--r-- | drivers/i3c/master/mipi-i3c-hci/hci.h | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/i3c/master/mipi-i3c-hci/hci.h b/drivers/i3c/master/mipi-i3c-hci/hci.h index f94d95e024be..249ccb13c909 100644 --- a/drivers/i3c/master/mipi-i3c-hci/hci.h +++ b/drivers/i3c/master/mipi-i3c-hci/hci.h @@ -10,9 +10,7 @@ #ifndef HCI_H #define HCI_H - -/* Handy logging macro to save on line length */ -#define DBG(x, ...) pr_devel("%s: " x "\n", __func__, ##__VA_ARGS__) +#include <linux/io.h> /* 32-bit word aware bit and mask macros */ #define W0_MASK(h, l) GENMASK((h) - 0, (l) - 0) @@ -26,6 +24,10 @@ #define W2_BIT_(x) BIT((x) - 64) #define W3_BIT_(x) BIT((x) - 96) +#define reg_read(r) readl(hci->base_regs + (r)) +#define reg_write(r, v) writel(v, hci->base_regs + (r)) +#define reg_set(r, v) reg_write(r, reg_read(r) | (v)) +#define reg_clear(r, v) reg_write(r, reg_read(r) & ~(v)) struct hci_cmd_ops; @@ -89,8 +91,7 @@ struct hci_xfer { }; struct { /* DMA specific */ - dma_addr_t data_dma; - void *bounce_buf; + struct i3c_dma *dma; int ring_number; int ring_entry; }; @@ -110,7 +111,7 @@ static inline void hci_free_xfer(struct hci_xfer *xfer, unsigned int n) /* This abstracts PIO vs DMA operations */ struct hci_io_ops { - bool (*irq_handler)(struct i3c_hci *hci, unsigned int mask); + bool (*irq_handler)(struct i3c_hci *hci); int (*queue_xfer)(struct i3c_hci *hci, struct hci_xfer *xfer, int n); bool (*dequeue_xfer)(struct i3c_hci *hci, struct hci_xfer *xfer, int n); int (*request_ibi)(struct i3c_hci *hci, struct i3c_dev_desc *dev, @@ -135,11 +136,16 @@ struct i3c_hci_dev_data { /* list of quirks */ #define HCI_QUIRK_RAW_CCC BIT(1) /* CCC framing must be explicit */ +#define HCI_QUIRK_PIO_MODE BIT(2) /* Set PIO mode for AMD platforms */ +#define HCI_QUIRK_OD_PP_TIMING BIT(3) /* Set OD and PP timings for AMD platforms */ +#define HCI_QUIRK_RESP_BUF_THLD BIT(4) /* Set resp buf thld to 0 for AMD platforms */ /* global functions */ void mipi_i3c_hci_resume(struct i3c_hci *hci); void mipi_i3c_hci_pio_reset(struct i3c_hci *hci); void mipi_i3c_hci_dct_index_reset(struct i3c_hci *hci); +void amd_set_od_pp_timing(struct i3c_hci *hci); +void amd_set_resp_buf_thld(struct i3c_hci *hci); #endif |