diff options
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_sdio.c')
-rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_sdio.c | 211 |
1 files changed, 203 insertions, 8 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c b/drivers/net/wireless/rsi/rsi_91x_sdio.c index 8428858204a6..2ef844adacf3 100644 --- a/drivers/net/wireless/rsi/rsi_91x_sdio.c +++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c @@ -18,6 +18,7 @@ #include <linux/module.h> #include "rsi_sdio.h" #include "rsi_common.h" +#include "rsi_hal.h" /** * rsi_sdio_set_cmd52_arg() - This function prepares cmd 52 read/write arg. @@ -365,6 +366,7 @@ static int rsi_setblocklength(struct rsi_hw *adapter, u32 length) status = sdio_set_block_size(dev->pfunction, length); dev->pfunction->max_blksize = 256; + adapter->block_size = dev->pfunction->max_blksize; rsi_dbg(INFO_ZONE, "%s: Operational blk length is %d\n", __func__, length); @@ -487,8 +489,8 @@ void rsi_sdio_ack_intr(struct rsi_hw *adapter, u8 int_bit) */ static int rsi_sdio_read_register_multiple(struct rsi_hw *adapter, u32 addr, - u32 count, - u8 *data) + u8 *data, + u16 count) { struct rsi_91x_sdiodev *dev = (struct rsi_91x_sdiodev *)adapter->rsi_dev; @@ -518,7 +520,7 @@ static int rsi_sdio_read_register_multiple(struct rsi_hw *adapter, int rsi_sdio_write_register_multiple(struct rsi_hw *adapter, u32 addr, u8 *data, - u32 count) + u16 count) { struct rsi_91x_sdiodev *dev = (struct rsi_91x_sdiodev *)adapter->rsi_dev; @@ -552,6 +554,182 @@ int rsi_sdio_write_register_multiple(struct rsi_hw *adapter, return status; } +static int rsi_sdio_load_data_master_write(struct rsi_hw *adapter, + u32 base_address, + u32 instructions_sz, + u16 block_size, + u8 *ta_firmware) +{ + u32 num_blocks, offset, i; + u16 msb_address, lsb_address; + u8 temp_buf[block_size]; + int status; + + num_blocks = instructions_sz / block_size; + msb_address = base_address >> 16; + + rsi_dbg(INFO_ZONE, "ins_size: %d, num_blocks: %d\n", + instructions_sz, num_blocks); + + /* Loading DM ms word in the sdio slave */ + status = rsi_sdio_master_access_msword(adapter, msb_address); + if (status < 0) { + rsi_dbg(ERR_ZONE, "%s: Unable to set ms word reg\n", __func__); + return status; + } + + for (offset = 0, i = 0; i < num_blocks; i++, offset += block_size) { + memset(temp_buf, 0, block_size); + memcpy(temp_buf, ta_firmware + offset, block_size); + lsb_address = (u16)base_address; + status = rsi_sdio_write_register_multiple + (adapter, + lsb_address | RSI_SD_REQUEST_MASTER, + temp_buf, block_size); + if (status < 0) { + rsi_dbg(ERR_ZONE, "%s: failed to write\n", __func__); + return status; + } + rsi_dbg(INFO_ZONE, "%s: loading block: %d\n", __func__, i); + base_address += block_size; + + if ((base_address >> 16) != msb_address) { + msb_address += 1; + + /* Loading DM ms word in the sdio slave */ + status = rsi_sdio_master_access_msword(adapter, + msb_address); + if (status < 0) { + rsi_dbg(ERR_ZONE, + "%s: Unable to set ms word reg\n", + __func__); + return status; + } + } + } + + if (instructions_sz % block_size) { + memset(temp_buf, 0, block_size); + memcpy(temp_buf, ta_firmware + offset, + instructions_sz % block_size); + lsb_address = (u16)base_address; + status = rsi_sdio_write_register_multiple + (adapter, + lsb_address | RSI_SD_REQUEST_MASTER, + temp_buf, + instructions_sz % block_size); + if (status < 0) + return status; + rsi_dbg(INFO_ZONE, + "Written Last Block in Address 0x%x Successfully\n", + offset | RSI_SD_REQUEST_MASTER); + } + return 0; +} + +#define FLASH_SIZE_ADDR 0x04000016 +static int rsi_sdio_master_reg_read(struct rsi_hw *adapter, u32 addr, + u32 *read_buf, u16 size) +{ + u32 addr_on_bus, *data; + u32 align[2] = {}; + u16 ms_addr; + int status; + + data = PTR_ALIGN(&align[0], 8); + + ms_addr = (addr >> 16); + status = rsi_sdio_master_access_msword(adapter, ms_addr); + if (status < 0) { + rsi_dbg(ERR_ZONE, + "%s: Unable to set ms word to common reg\n", + __func__); + return status; + } + addr &= 0xFFFF; + + addr_on_bus = (addr & 0xFF000000); + if ((addr_on_bus == (FLASH_SIZE_ADDR & 0xFF000000)) || + (addr_on_bus == 0x0)) + addr_on_bus = (addr & ~(0x3)); + else + addr_on_bus = addr; + + /* Bring TA out of reset */ + status = rsi_sdio_read_register_multiple + (adapter, + (addr_on_bus | RSI_SD_REQUEST_MASTER), + (u8 *)data, 4); + if (status < 0) { + rsi_dbg(ERR_ZONE, "%s: AHB register read failed\n", __func__); + return status; + } + if (size == 2) { + if ((addr & 0x3) == 0) + *read_buf = *data; + else + *read_buf = (*data >> 16); + *read_buf = (*read_buf & 0xFFFF); + } else if (size == 1) { + if ((addr & 0x3) == 0) + *read_buf = *data; + else if ((addr & 0x3) == 1) + *read_buf = (*data >> 8); + else if ((addr & 0x3) == 2) + *read_buf = (*data >> 16); + else + *read_buf = (*data >> 24); + *read_buf = (*read_buf & 0xFF); + } else { + *read_buf = *data; + } + + return 0; +} + +static int rsi_sdio_master_reg_write(struct rsi_hw *adapter, + unsigned long addr, + unsigned long data, u16 size) +{ + unsigned long data1[2], *data_aligned; + int status; + + data_aligned = PTR_ALIGN(&data1[0], 8); + + if (size == 2) { + *data_aligned = ((data << 16) | (data & 0xFFFF)); + } else if (size == 1) { + u32 temp_data = data & 0xFF; + + *data_aligned = ((temp_data << 24) | (temp_data << 16) | + (temp_data << 8) | temp_data); + } else { + *data_aligned = data; + } + size = 4; + + status = rsi_sdio_master_access_msword(adapter, (addr >> 16)); + if (status < 0) { + rsi_dbg(ERR_ZONE, + "%s: Unable to set ms word to common reg\n", + __func__); + return -EIO; + } + addr = addr & 0xFFFF; + + /* Bring TA out of reset */ + status = rsi_sdio_write_register_multiple + (adapter, + (addr | RSI_SD_REQUEST_MASTER), + (u8 *)data_aligned, size); + if (status < 0) { + rsi_dbg(ERR_ZONE, + "%s: Unable to do AHB reg write\n", __func__); + return status; + } + return 0; +} + /** * rsi_sdio_host_intf_write_pkt() - This function writes the packet to device. * @adapter: Pointer to the adapter structure. @@ -614,8 +792,8 @@ int rsi_sdio_host_intf_read_pkt(struct rsi_hw *adapter, status = rsi_sdio_read_register_multiple(adapter, length, - length, /*num of bytes*/ - (u8 *)pkt); + (u8 *)pkt, + length); /*num of bytes*/ if (status) rsi_dbg(ERR_ZONE, "%s: Failed to read frame: %d\n", __func__, @@ -676,8 +854,6 @@ static int rsi_init_sdio_interface(struct rsi_hw *adapter, } sdio_release_host(pfunction); - adapter->host_intf_write_pkt = rsi_sdio_host_intf_write_pkt; - adapter->host_intf_read_pkt = rsi_sdio_host_intf_read_pkt; adapter->determine_event_timeout = rsi_sdio_determine_event_timeout; adapter->check_hw_queue_status = rsi_sdio_read_buffer_status_register; @@ -691,6 +867,17 @@ fail: return status; } +static struct rsi_host_intf_ops sdio_host_intf_ops = { + .write_pkt = rsi_sdio_host_intf_write_pkt, + .read_pkt = rsi_sdio_host_intf_read_pkt, + .master_access_msword = rsi_sdio_master_access_msword, + .read_reg_multiple = rsi_sdio_read_register_multiple, + .write_reg_multiple = rsi_sdio_write_register_multiple, + .master_reg_read = rsi_sdio_master_reg_read, + .master_reg_write = rsi_sdio_master_reg_write, + .load_data_master_write = rsi_sdio_load_data_master_write, +}; + /** * rsi_probe() - This function is called by kernel when the driver provided * Vendor and device IDs are matched. All the initialization @@ -713,6 +900,8 @@ static int rsi_probe(struct sdio_func *pfunction, __func__); return 1; } + adapter->rsi_host_intf = RSI_HOST_INTF_SDIO; + adapter->host_intf_ops = &sdio_host_intf_ops; if (rsi_init_sdio_interface(adapter, pfunction)) { rsi_dbg(ERR_ZONE, "%s: Failed to init sdio interface\n", @@ -720,13 +909,19 @@ static int rsi_probe(struct sdio_func *pfunction, goto fail; } - if (rsi_sdio_device_init(adapter->priv)) { + if (rsi_hal_device_init(adapter)) { rsi_dbg(ERR_ZONE, "%s: Failed in device init\n", __func__); sdio_claim_host(pfunction); sdio_disable_func(pfunction); sdio_release_host(pfunction); goto fail; } + rsi_dbg(INFO_ZONE, "===> RSI Device Init Done <===\n"); + + if (rsi_sdio_master_access_msword(adapter, MISC_CFG_BASE_ADDR)) { + rsi_dbg(ERR_ZONE, "%s: Unable to set ms word reg\n", __func__); + return -EIO; + } sdio_claim_host(pfunction); if (sdio_claim_irq(pfunction, rsi_handle_interrupt)) { |