diff options
Diffstat (limited to 'drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c')
-rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c | 202 |
1 files changed, 135 insertions, 67 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c index 0deba6b..585b7b0e 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c @@ -15,11 +15,11 @@ #include <linux/firmware.h> #include <linux/jiffies.h> #include <linux/sched.h> -#include "regs-mfc.h" #include "s5p_mfc_cmd.h" #include "s5p_mfc_common.h" #include "s5p_mfc_debug.h" #include "s5p_mfc_intr.h" +#include "s5p_mfc_opr.h" #include "s5p_mfc_pm.h" static void *s5p_mfc_bitproc_buf; @@ -37,13 +37,19 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev) /* Firmare has to be present as a separate file or compiled * into kernel. */ mfc_debug_enter(); + err = request_firmware((const struct firmware **)&fw_blob, - "s5p-mfc.fw", dev->v4l2_dev.dev); + dev->variant->fw_name, dev->v4l2_dev.dev); if (err != 0) { mfc_err("Firmware is not present in the /lib/firmware directory nor compiled in kernel\n"); return -EINVAL; } - dev->fw_size = ALIGN(fw_blob->size, FIRMWARE_ALIGN); + dev->fw_size = dev->variant->buf_size->fw; + if (fw_blob->size > dev->fw_size) { + mfc_err("MFC firmware is too big to be loaded\n"); + release_firmware(fw_blob); + return -ENOMEM; + } if (s5p_mfc_bitproc_buf) { mfc_err("Attempting to allocate firmware when it seems that it is already loaded\n"); release_firmware(fw_blob); @@ -77,32 +83,37 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev) return -EIO; } dev->bank1 = s5p_mfc_bitproc_phys; - b_base = vb2_dma_contig_memops.alloc( - dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], 1 << MFC_BASE_ALIGN_ORDER); - if (IS_ERR(b_base)) { - vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); - s5p_mfc_bitproc_phys = 0; - s5p_mfc_bitproc_buf = NULL; - mfc_err("Allocating bank2 base failed\n"); - release_firmware(fw_blob); - return -ENOMEM; - } - bank2_base_phys = s5p_mfc_mem_cookie( - dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], b_base); - vb2_dma_contig_memops.put(b_base); - if (bank2_base_phys & ((1 << MFC_BASE_ALIGN_ORDER) - 1)) { - mfc_err("The base memory for bank 2 is not aligned to 128KB\n"); - vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); - s5p_mfc_bitproc_phys = 0; - s5p_mfc_bitproc_buf = NULL; - release_firmware(fw_blob); - return -EIO; + if (HAS_PORTNUM(dev) && IS_TWOPORT(dev)) { + b_base = vb2_dma_contig_memops.alloc( + dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], + 1 << MFC_BASE_ALIGN_ORDER); + if (IS_ERR(b_base)) { + vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); + s5p_mfc_bitproc_phys = 0; + s5p_mfc_bitproc_buf = NULL; + mfc_err("Allocating bank2 base failed\n"); + release_firmware(fw_blob); + return -ENOMEM; + } + bank2_base_phys = s5p_mfc_mem_cookie( + dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], b_base); + vb2_dma_contig_memops.put(b_base); + if (bank2_base_phys & ((1 << MFC_BASE_ALIGN_ORDER) - 1)) { + mfc_err("The base memory for bank 2 is not aligned to 128KB\n"); + vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); + s5p_mfc_bitproc_phys = 0; + s5p_mfc_bitproc_buf = NULL; + release_firmware(fw_blob); + return -EIO; + } + /* Valid buffers passed to MFC encoder with LAST_FRAME command + * should not have address of bank2 - MFC will treat it as a null frame. + * To avoid such situation we set bank2 address below the pool address. + */ + dev->bank2 = bank2_base_phys - (1 << MFC_BASE_ALIGN_ORDER); + } else { + dev->bank2 = dev->bank1; } - /* Valid buffers passed to MFC encoder with LAST_FRAME command - * should not have address of bank2 - MFC will treat it as a null frame. - * To avoid such situation we set bank2 address below the pool address. - */ - dev->bank2 = bank2_base_phys - (1 << MFC_BASE_ALIGN_ORDER); memcpy(s5p_mfc_bitproc_virt, fw_blob->data, fw_blob->size); wmb(); release_firmware(fw_blob); @@ -119,8 +130,9 @@ int s5p_mfc_reload_firmware(struct s5p_mfc_dev *dev) /* Firmare has to be present as a separate file or compiled * into kernel. */ mfc_debug_enter(); + err = request_firmware((const struct firmware **)&fw_blob, - "s5p-mfc.fw", dev->v4l2_dev.dev); + dev->variant->fw_name, dev->v4l2_dev.dev); if (err != 0) { mfc_err("Firmware is not present in the /lib/firmware directory nor compiled in kernel\n"); return -EINVAL; @@ -161,46 +173,81 @@ int s5p_mfc_reset(struct s5p_mfc_dev *dev) { unsigned int mc_status; unsigned long timeout; + int i; mfc_debug_enter(); - /* Stop procedure */ - /* reset RISC */ - mfc_write(dev, 0x3f6, S5P_FIMV_SW_RESET); - /* All reset except for MC */ - mfc_write(dev, 0x3e2, S5P_FIMV_SW_RESET); - mdelay(10); - - timeout = jiffies + msecs_to_jiffies(MFC_BW_TIMEOUT); - /* Check MC status */ - do { - if (time_after(jiffies, timeout)) { - mfc_err("Timeout while resetting MFC\n"); - return -EIO; - } - mc_status = mfc_read(dev, S5P_FIMV_MC_STATUS); + if (IS_MFCV6(dev)) { + /* Reset IP */ + /* except RISC, reset */ + mfc_write(dev, 0xFEE, S5P_FIMV_MFC_RESET_V6); + /* reset release */ + mfc_write(dev, 0x0, S5P_FIMV_MFC_RESET_V6); + + /* Zero Initialization of MFC registers */ + mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD_V6); + mfc_write(dev, 0, S5P_FIMV_HOST2RISC_CMD_V6); + mfc_write(dev, 0, S5P_FIMV_FW_VERSION_V6); + + for (i = 0; i < S5P_FIMV_REG_CLEAR_COUNT_V6; i++) + mfc_write(dev, 0, S5P_FIMV_REG_CLEAR_BEGIN_V6 + (i*4)); - } while (mc_status & 0x3); + /* Reset */ + mfc_write(dev, 0, S5P_FIMV_RISC_ON_V6); + mfc_write(dev, 0x1FFF, S5P_FIMV_MFC_RESET_V6); + mfc_write(dev, 0, S5P_FIMV_MFC_RESET_V6); + } else { + /* Stop procedure */ + /* reset RISC */ + mfc_write(dev, 0x3f6, S5P_FIMV_SW_RESET); + /* All reset except for MC */ + mfc_write(dev, 0x3e2, S5P_FIMV_SW_RESET); + mdelay(10); + + timeout = jiffies + msecs_to_jiffies(MFC_BW_TIMEOUT); + /* Check MC status */ + do { + if (time_after(jiffies, timeout)) { + mfc_err("Timeout while resetting MFC\n"); + return -EIO; + } + + mc_status = mfc_read(dev, S5P_FIMV_MC_STATUS); + + } while (mc_status & 0x3); + + mfc_write(dev, 0x0, S5P_FIMV_SW_RESET); + mfc_write(dev, 0x3fe, S5P_FIMV_SW_RESET); + } - mfc_write(dev, 0x0, S5P_FIMV_SW_RESET); - mfc_write(dev, 0x3fe, S5P_FIMV_SW_RESET); mfc_debug_leave(); return 0; } static inline void s5p_mfc_init_memctrl(struct s5p_mfc_dev *dev) { - mfc_write(dev, dev->bank1, S5P_FIMV_MC_DRAMBASE_ADR_A); - mfc_write(dev, dev->bank2, S5P_FIMV_MC_DRAMBASE_ADR_B); - mfc_debug(2, "Bank1: %08x, Bank2: %08x\n", dev->bank1, dev->bank2); + if (IS_MFCV6(dev)) { + mfc_write(dev, dev->bank1, S5P_FIMV_RISC_BASE_ADDRESS_V6); + mfc_debug(2, "Base Address : %08x\n", dev->bank1); + } else { + mfc_write(dev, dev->bank1, S5P_FIMV_MC_DRAMBASE_ADR_A); + mfc_write(dev, dev->bank2, S5P_FIMV_MC_DRAMBASE_ADR_B); + mfc_debug(2, "Bank1: %08x, Bank2: %08x\n", + dev->bank1, dev->bank2); + } } static inline void s5p_mfc_clear_cmds(struct s5p_mfc_dev *dev) { - mfc_write(dev, 0xffffffff, S5P_FIMV_SI_CH0_INST_ID); - mfc_write(dev, 0xffffffff, S5P_FIMV_SI_CH1_INST_ID); - mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD); - mfc_write(dev, 0, S5P_FIMV_HOST2RISC_CMD); + if (IS_MFCV6(dev)) { + /* Zero initialization should be done before RESET. + * Nothing to do here. */ + } else { + mfc_write(dev, 0xffffffff, S5P_FIMV_SI_CH0_INST_ID); + mfc_write(dev, 0xffffffff, S5P_FIMV_SI_CH1_INST_ID); + mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD); + mfc_write(dev, 0, S5P_FIMV_HOST2RISC_CMD); + } } /* Initialize hardware */ @@ -228,9 +275,12 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev) s5p_mfc_clear_cmds(dev); /* 3. Release reset signal to the RISC */ s5p_mfc_clean_dev_int_flags(dev); - mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET); + if (IS_MFCV6(dev)) + mfc_write(dev, 0x1, S5P_FIMV_RISC_ON_V6); + else + mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET); mfc_debug(2, "Will now wait for completion of firmware transfer\n"); - if (s5p_mfc_wait_for_done_dev(dev, S5P_FIMV_R2H_CMD_FW_STATUS_RET)) { + if (s5p_mfc_wait_for_done_dev(dev, S5P_MFC_R2H_CMD_FW_STATUS_RET)) { mfc_err("Failed to load firmware\n"); s5p_mfc_reset(dev); s5p_mfc_clock_off(); @@ -238,7 +288,7 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev) } s5p_mfc_clean_dev_int_flags(dev); /* 4. Initialize firmware */ - ret = s5p_mfc_sys_init_cmd(dev); + ret = s5p_mfc_hw_call(dev->mfc_cmds, sys_init_cmd, dev); if (ret) { mfc_err("Failed to send command to MFC - timeout\n"); s5p_mfc_reset(dev); @@ -246,7 +296,7 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev) return ret; } mfc_debug(2, "Ok, now will write a command to init the system\n"); - if (s5p_mfc_wait_for_done_dev(dev, S5P_FIMV_R2H_CMD_SYS_INIT_RET)) { + if (s5p_mfc_wait_for_done_dev(dev, S5P_MFC_R2H_CMD_SYS_INIT_RET)) { mfc_err("Failed to load firmware\n"); s5p_mfc_reset(dev); s5p_mfc_clock_off(); @@ -254,7 +304,7 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev) } dev->int_cond = 0; if (dev->int_err != 0 || dev->int_type != - S5P_FIMV_R2H_CMD_SYS_INIT_RET) { + S5P_MFC_R2H_CMD_SYS_INIT_RET) { /* Failure. */ mfc_err("Failed to init firmware - error: %d int: %d\n", dev->int_err, dev->int_type); @@ -262,7 +312,11 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev) s5p_mfc_clock_off(); return -EIO; } - ver = mfc_read(dev, S5P_FIMV_FW_VERSION); + if (IS_MFCV6(dev)) + ver = mfc_read(dev, S5P_FIMV_FW_VERSION_V6); + else + ver = mfc_read(dev, S5P_FIMV_FW_VERSION); + mfc_debug(2, "MFC F/W version : %02xyy, %02xmm, %02xdd\n", (ver >> 16) & 0xFF, (ver >> 8) & 0xFF, ver & 0xFF); s5p_mfc_clock_off(); @@ -271,6 +325,17 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev) } +/* Deinitialize hardware */ +void s5p_mfc_deinit_hw(struct s5p_mfc_dev *dev) +{ + s5p_mfc_clock_on(); + + s5p_mfc_reset(dev); + s5p_mfc_hw_call(dev->mfc_ops, release_dev_context_buffer, dev); + + s5p_mfc_clock_off(); +} + int s5p_mfc_sleep(struct s5p_mfc_dev *dev) { int ret; @@ -278,19 +343,19 @@ int s5p_mfc_sleep(struct s5p_mfc_dev *dev) mfc_debug_enter(); s5p_mfc_clock_on(); s5p_mfc_clean_dev_int_flags(dev); - ret = s5p_mfc_sleep_cmd(dev); + ret = s5p_mfc_hw_call(dev->mfc_cmds, sleep_cmd, dev); if (ret) { mfc_err("Failed to send command to MFC - timeout\n"); return ret; } - if (s5p_mfc_wait_for_done_dev(dev, S5P_FIMV_R2H_CMD_SLEEP_RET)) { + if (s5p_mfc_wait_for_done_dev(dev, S5P_MFC_R2H_CMD_SLEEP_RET)) { mfc_err("Failed to sleep\n"); return -EIO; } s5p_mfc_clock_off(); dev->int_cond = 0; if (dev->int_err != 0 || dev->int_type != - S5P_FIMV_R2H_CMD_SLEEP_RET) { + S5P_MFC_R2H_CMD_SLEEP_RET) { /* Failure. */ mfc_err("Failed to sleep - error: %d int: %d\n", dev->int_err, dev->int_type); @@ -320,22 +385,25 @@ int s5p_mfc_wakeup(struct s5p_mfc_dev *dev) s5p_mfc_clear_cmds(dev); s5p_mfc_clean_dev_int_flags(dev); /* 3. Initialize firmware */ - ret = s5p_mfc_wakeup_cmd(dev); + ret = s5p_mfc_hw_call(dev->mfc_cmds, wakeup_cmd, dev); if (ret) { mfc_err("Failed to send command to MFC - timeout\n"); return ret; } /* 4. Release reset signal to the RISC */ - mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET); + if (IS_MFCV6(dev)) + mfc_write(dev, 0x1, S5P_FIMV_RISC_ON_V6); + else + mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET); mfc_debug(2, "Ok, now will write a command to wakeup the system\n"); - if (s5p_mfc_wait_for_done_dev(dev, S5P_FIMV_R2H_CMD_WAKEUP_RET)) { + if (s5p_mfc_wait_for_done_dev(dev, S5P_MFC_R2H_CMD_WAKEUP_RET)) { mfc_err("Failed to load firmware\n"); return -EIO; } s5p_mfc_clock_off(); dev->int_cond = 0; if (dev->int_err != 0 || dev->int_type != - S5P_FIMV_R2H_CMD_WAKEUP_RET) { + S5P_MFC_R2H_CMD_WAKEUP_RET) { /* Failure. */ mfc_err("Failed to wakeup - error: %d int: %d\n", dev->int_err, dev->int_type); |